PackageManagerService.java revision 110a12dff13276baa12e8587449a1a7f3a318451
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.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.ResourcesManager; 109import android.app.admin.DevicePolicyManagerInternal; 110import android.app.admin.IDevicePolicyManager; 111import android.app.admin.SecurityLog; 112import android.app.backup.IBackupManager; 113import android.content.BroadcastReceiver; 114import android.content.ComponentName; 115import android.content.Context; 116import android.content.IIntentReceiver; 117import android.content.Intent; 118import android.content.IntentFilter; 119import android.content.IntentSender; 120import android.content.IntentSender.SendIntentException; 121import android.content.ServiceConnection; 122import android.content.pm.ActivityInfo; 123import android.content.pm.ApplicationInfo; 124import android.content.pm.AppsQueryHelper; 125import android.content.pm.ComponentInfo; 126import android.content.pm.EphemeralApplicationInfo; 127import android.content.pm.EphemeralResolveInfo; 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.security.KeyStore; 201import android.security.SystemKeyStore; 202import android.system.ErrnoException; 203import android.system.Os; 204import android.text.TextUtils; 205import android.text.format.DateUtils; 206import android.util.ArrayMap; 207import android.util.ArraySet; 208import android.util.AtomicFile; 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.BufferedInputStream; 268import java.io.BufferedOutputStream; 269import java.io.BufferedReader; 270import java.io.ByteArrayInputStream; 271import java.io.ByteArrayOutputStream; 272import java.io.File; 273import java.io.FileDescriptor; 274import java.io.FileInputStream; 275import java.io.FileNotFoundException; 276import java.io.FileOutputStream; 277import java.io.FileReader; 278import java.io.FilenameFilter; 279import java.io.IOException; 280import java.io.InputStream; 281import java.io.PrintWriter; 282import java.nio.charset.StandardCharsets; 283import java.security.DigestInputStream; 284import java.security.MessageDigest; 285import java.security.NoSuchAlgorithmException; 286import java.security.PublicKey; 287import java.security.cert.Certificate; 288import java.security.cert.CertificateEncodingException; 289import java.security.cert.CertificateException; 290import java.text.SimpleDateFormat; 291import java.util.ArrayList; 292import java.util.Arrays; 293import java.util.Collection; 294import java.util.Collections; 295import java.util.Comparator; 296import java.util.Date; 297import java.util.HashSet; 298import java.util.Iterator; 299import java.util.List; 300import java.util.Map; 301import java.util.Objects; 302import java.util.Set; 303import java.util.concurrent.CountDownLatch; 304import java.util.concurrent.TimeUnit; 305import java.util.concurrent.atomic.AtomicBoolean; 306import java.util.concurrent.atomic.AtomicInteger; 307import java.util.concurrent.atomic.AtomicLong; 308 309/** 310 * Keep track of all those APKs everywhere. 311 * <p> 312 * Internally there are two important locks: 313 * <ul> 314 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 315 * and other related state. It is a fine-grained lock that should only be held 316 * momentarily, as it's one of the most contended locks in the system. 317 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 318 * operations typically involve heavy lifting of application data on disk. Since 319 * {@code installd} is single-threaded, and it's operations can often be slow, 320 * this lock should never be acquired while already holding {@link #mPackages}. 321 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 322 * holding {@link #mInstallLock}. 323 * </ul> 324 * Many internal methods rely on the caller to hold the appropriate locks, and 325 * this contract is expressed through method name suffixes: 326 * <ul> 327 * <li>fooLI(): the caller must hold {@link #mInstallLock} 328 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 329 * being modified must be frozen 330 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 331 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 332 * </ul> 333 * <p> 334 * Because this class is very central to the platform's security; please run all 335 * CTS and unit tests whenever making modifications: 336 * 337 * <pre> 338 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 339 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 340 * </pre> 341 */ 342public class PackageManagerService extends IPackageManager.Stub { 343 static final String TAG = "PackageManager"; 344 static final boolean DEBUG_SETTINGS = false; 345 static final boolean DEBUG_PREFERRED = false; 346 static final boolean DEBUG_UPGRADE = false; 347 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 348 private static final boolean DEBUG_BACKUP = false; 349 private static final boolean DEBUG_INSTALL = false; 350 private static final boolean DEBUG_REMOVE = false; 351 private static final boolean DEBUG_BROADCASTS = false; 352 private static final boolean DEBUG_SHOW_INFO = false; 353 private static final boolean DEBUG_PACKAGE_INFO = false; 354 private static final boolean DEBUG_INTENT_MATCHING = false; 355 private static final boolean DEBUG_PACKAGE_SCANNING = false; 356 private static final boolean DEBUG_VERIFY = false; 357 private static final boolean DEBUG_FILTERS = false; 358 359 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 360 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 361 // user, but by default initialize to this. 362 static final boolean DEBUG_DEXOPT = false; 363 364 private static final boolean DEBUG_ABI_SELECTION = false; 365 private static final boolean DEBUG_EPHEMERAL = false; 366 private static final boolean DEBUG_TRIAGED_MISSING = false; 367 private static final boolean DEBUG_APP_DATA = false; 368 369 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 370 371 private static final boolean DISABLE_EPHEMERAL_APPS = true; 372 373 private static final int RADIO_UID = Process.PHONE_UID; 374 private static final int LOG_UID = Process.LOG_UID; 375 private static final int NFC_UID = Process.NFC_UID; 376 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 377 private static final int SHELL_UID = Process.SHELL_UID; 378 379 // Cap the size of permission trees that 3rd party apps can define 380 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 381 382 // Suffix used during package installation when copying/moving 383 // package apks to install directory. 384 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 385 386 static final int SCAN_NO_DEX = 1<<1; 387 static final int SCAN_FORCE_DEX = 1<<2; 388 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 389 static final int SCAN_NEW_INSTALL = 1<<4; 390 static final int SCAN_NO_PATHS = 1<<5; 391 static final int SCAN_UPDATE_TIME = 1<<6; 392 static final int SCAN_DEFER_DEX = 1<<7; 393 static final int SCAN_BOOTING = 1<<8; 394 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 395 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 396 static final int SCAN_REPLACING = 1<<11; 397 static final int SCAN_REQUIRE_KNOWN = 1<<12; 398 static final int SCAN_MOVE = 1<<13; 399 static final int SCAN_INITIAL = 1<<14; 400 static final int SCAN_CHECK_ONLY = 1<<15; 401 static final int SCAN_DONT_KILL_APP = 1<<17; 402 static final int SCAN_IGNORE_FROZEN = 1<<18; 403 404 static final int REMOVE_CHATTY = 1<<16; 405 406 private static final int[] EMPTY_INT_ARRAY = new int[0]; 407 408 /** 409 * Timeout (in milliseconds) after which the watchdog should declare that 410 * our handler thread is wedged. The usual default for such things is one 411 * minute but we sometimes do very lengthy I/O operations on this thread, 412 * such as installing multi-gigabyte applications, so ours needs to be longer. 413 */ 414 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 415 416 /** 417 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 418 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 419 * settings entry if available, otherwise we use the hardcoded default. If it's been 420 * more than this long since the last fstrim, we force one during the boot sequence. 421 * 422 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 423 * one gets run at the next available charging+idle time. This final mandatory 424 * no-fstrim check kicks in only of the other scheduling criteria is never met. 425 */ 426 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 427 428 /** 429 * Whether verification is enabled by default. 430 */ 431 private static final boolean DEFAULT_VERIFY_ENABLE = true; 432 433 /** 434 * The default maximum time to wait for the verification agent to return in 435 * milliseconds. 436 */ 437 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 438 439 /** 440 * The default response for package verification timeout. 441 * 442 * This can be either PackageManager.VERIFICATION_ALLOW or 443 * PackageManager.VERIFICATION_REJECT. 444 */ 445 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 446 447 static final String PLATFORM_PACKAGE_NAME = "android"; 448 449 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 450 451 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 452 DEFAULT_CONTAINER_PACKAGE, 453 "com.android.defcontainer.DefaultContainerService"); 454 455 private static final String KILL_APP_REASON_GIDS_CHANGED = 456 "permission grant or revoke changed gids"; 457 458 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 459 "permissions revoked"; 460 461 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 462 463 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 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 boolean mRestoredSettings; 626 627 // System configuration read by SystemConfig. 628 final int[] mGlobalGids; 629 final SparseArray<ArraySet<String>> mSystemPermissions; 630 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 631 632 // If mac_permissions.xml was found for seinfo labeling. 633 boolean mFoundPolicyFile; 634 635 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 636 637 public static final class SharedLibraryEntry { 638 public final String path; 639 public final String apk; 640 641 SharedLibraryEntry(String _path, String _apk) { 642 path = _path; 643 apk = _apk; 644 } 645 } 646 647 // Currently known shared libraries. 648 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 649 new ArrayMap<String, SharedLibraryEntry>(); 650 651 // All available activities, for your resolving pleasure. 652 final ActivityIntentResolver mActivities = 653 new ActivityIntentResolver(); 654 655 // All available receivers, for your resolving pleasure. 656 final ActivityIntentResolver mReceivers = 657 new ActivityIntentResolver(); 658 659 // All available services, for your resolving pleasure. 660 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 661 662 // All available providers, for your resolving pleasure. 663 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 664 665 // Mapping from provider base names (first directory in content URI codePath) 666 // to the provider information. 667 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 668 new ArrayMap<String, PackageParser.Provider>(); 669 670 // Mapping from instrumentation class names to info about them. 671 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 672 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 673 674 // Mapping from permission names to info about them. 675 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 676 new ArrayMap<String, PackageParser.PermissionGroup>(); 677 678 // Packages whose data we have transfered into another package, thus 679 // should no longer exist. 680 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 681 682 // Broadcast actions that are only available to the system. 683 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 684 685 /** List of packages waiting for verification. */ 686 final SparseArray<PackageVerificationState> mPendingVerification 687 = new SparseArray<PackageVerificationState>(); 688 689 /** Set of packages associated with each app op permission. */ 690 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 691 692 final PackageInstallerService mInstallerService; 693 694 private final PackageDexOptimizer mPackageDexOptimizer; 695 696 private AtomicInteger mNextMoveId = new AtomicInteger(); 697 private final MoveCallbacks mMoveCallbacks; 698 699 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 700 701 // Cache of users who need badging. 702 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 703 704 /** Token for keys in mPendingVerification. */ 705 private int mPendingVerificationToken = 0; 706 707 volatile boolean mSystemReady; 708 volatile boolean mSafeMode; 709 volatile boolean mHasSystemUidErrors; 710 711 ApplicationInfo mAndroidApplication; 712 final ActivityInfo mResolveActivity = new ActivityInfo(); 713 final ResolveInfo mResolveInfo = new ResolveInfo(); 714 ComponentName mResolveComponentName; 715 PackageParser.Package mPlatformPackage; 716 ComponentName mCustomResolverComponentName; 717 718 boolean mResolverReplaced = false; 719 720 private final @Nullable ComponentName mIntentFilterVerifierComponent; 721 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 722 723 private int mIntentFilterVerificationToken = 0; 724 725 /** Component that knows whether or not an ephemeral application exists */ 726 final ComponentName mEphemeralResolverComponent; 727 /** The service connection to the ephemeral resolver */ 728 final EphemeralResolverConnection mEphemeralResolverConnection; 729 730 /** Component used to install ephemeral applications */ 731 final ComponentName mEphemeralInstallerComponent; 732 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 733 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 734 735 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 736 = new SparseArray<IntentFilterVerificationState>(); 737 738 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 739 new DefaultPermissionGrantPolicy(this); 740 741 // List of packages names to keep cached, even if they are uninstalled for all users 742 private List<String> mKeepUninstalledPackages; 743 744 private UserManagerInternal mUserManagerInternal; 745 746 private static class IFVerificationParams { 747 PackageParser.Package pkg; 748 boolean replacing; 749 int userId; 750 int verifierUid; 751 752 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 753 int _userId, int _verifierUid) { 754 pkg = _pkg; 755 replacing = _replacing; 756 userId = _userId; 757 replacing = _replacing; 758 verifierUid = _verifierUid; 759 } 760 } 761 762 private interface IntentFilterVerifier<T extends IntentFilter> { 763 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 764 T filter, String packageName); 765 void startVerifications(int userId); 766 void receiveVerificationResponse(int verificationId); 767 } 768 769 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 770 private Context mContext; 771 private ComponentName mIntentFilterVerifierComponent; 772 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 773 774 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 775 mContext = context; 776 mIntentFilterVerifierComponent = verifierComponent; 777 } 778 779 private String getDefaultScheme() { 780 return IntentFilter.SCHEME_HTTPS; 781 } 782 783 @Override 784 public void startVerifications(int userId) { 785 // Launch verifications requests 786 int count = mCurrentIntentFilterVerifications.size(); 787 for (int n=0; n<count; n++) { 788 int verificationId = mCurrentIntentFilterVerifications.get(n); 789 final IntentFilterVerificationState ivs = 790 mIntentFilterVerificationStates.get(verificationId); 791 792 String packageName = ivs.getPackageName(); 793 794 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 795 final int filterCount = filters.size(); 796 ArraySet<String> domainsSet = new ArraySet<>(); 797 for (int m=0; m<filterCount; m++) { 798 PackageParser.ActivityIntentInfo filter = filters.get(m); 799 domainsSet.addAll(filter.getHostsList()); 800 } 801 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 802 synchronized (mPackages) { 803 if (mSettings.createIntentFilterVerificationIfNeededLPw( 804 packageName, domainsList) != null) { 805 scheduleWriteSettingsLocked(); 806 } 807 } 808 sendVerificationRequest(userId, verificationId, ivs); 809 } 810 mCurrentIntentFilterVerifications.clear(); 811 } 812 813 private void sendVerificationRequest(int userId, int verificationId, 814 IntentFilterVerificationState ivs) { 815 816 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 817 verificationIntent.putExtra( 818 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 819 verificationId); 820 verificationIntent.putExtra( 821 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 822 getDefaultScheme()); 823 verificationIntent.putExtra( 824 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 825 ivs.getHostsString()); 826 verificationIntent.putExtra( 827 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 828 ivs.getPackageName()); 829 verificationIntent.setComponent(mIntentFilterVerifierComponent); 830 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 831 832 UserHandle user = new UserHandle(userId); 833 mContext.sendBroadcastAsUser(verificationIntent, user); 834 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 835 "Sending IntentFilter verification broadcast"); 836 } 837 838 public void receiveVerificationResponse(int verificationId) { 839 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 840 841 final boolean verified = ivs.isVerified(); 842 843 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 844 final int count = filters.size(); 845 if (DEBUG_DOMAIN_VERIFICATION) { 846 Slog.i(TAG, "Received verification response " + verificationId 847 + " for " + count + " filters, verified=" + verified); 848 } 849 for (int n=0; n<count; n++) { 850 PackageParser.ActivityIntentInfo filter = filters.get(n); 851 filter.setVerified(verified); 852 853 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 854 + " verified with result:" + verified + " and hosts:" 855 + ivs.getHostsString()); 856 } 857 858 mIntentFilterVerificationStates.remove(verificationId); 859 860 final String packageName = ivs.getPackageName(); 861 IntentFilterVerificationInfo ivi = null; 862 863 synchronized (mPackages) { 864 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 865 } 866 if (ivi == null) { 867 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 868 + verificationId + " packageName:" + packageName); 869 return; 870 } 871 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 872 "Updating IntentFilterVerificationInfo for package " + packageName 873 +" verificationId:" + verificationId); 874 875 synchronized (mPackages) { 876 if (verified) { 877 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 878 } else { 879 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 880 } 881 scheduleWriteSettingsLocked(); 882 883 final int userId = ivs.getUserId(); 884 if (userId != UserHandle.USER_ALL) { 885 final int userStatus = 886 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 887 888 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 889 boolean needUpdate = false; 890 891 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 892 // already been set by the User thru the Disambiguation dialog 893 switch (userStatus) { 894 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 895 if (verified) { 896 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 897 } else { 898 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 899 } 900 needUpdate = true; 901 break; 902 903 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 904 if (verified) { 905 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 906 needUpdate = true; 907 } 908 break; 909 910 default: 911 // Nothing to do 912 } 913 914 if (needUpdate) { 915 mSettings.updateIntentFilterVerificationStatusLPw( 916 packageName, updatedStatus, userId); 917 scheduleWritePackageRestrictionsLocked(userId); 918 } 919 } 920 } 921 } 922 923 @Override 924 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 925 ActivityIntentInfo filter, String packageName) { 926 if (!hasValidDomains(filter)) { 927 return false; 928 } 929 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 930 if (ivs == null) { 931 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 932 packageName); 933 } 934 if (DEBUG_DOMAIN_VERIFICATION) { 935 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 936 } 937 ivs.addFilter(filter); 938 return true; 939 } 940 941 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 942 int userId, int verificationId, String packageName) { 943 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 944 verifierUid, userId, packageName); 945 ivs.setPendingState(); 946 synchronized (mPackages) { 947 mIntentFilterVerificationStates.append(verificationId, ivs); 948 mCurrentIntentFilterVerifications.add(verificationId); 949 } 950 return ivs; 951 } 952 } 953 954 private static boolean hasValidDomains(ActivityIntentInfo filter) { 955 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 956 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 957 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 958 } 959 960 // Set of pending broadcasts for aggregating enable/disable of components. 961 static class PendingPackageBroadcasts { 962 // for each user id, a map of <package name -> components within that package> 963 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 964 965 public PendingPackageBroadcasts() { 966 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 967 } 968 969 public ArrayList<String> get(int userId, String packageName) { 970 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 971 return packages.get(packageName); 972 } 973 974 public void put(int userId, String packageName, ArrayList<String> components) { 975 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 976 packages.put(packageName, components); 977 } 978 979 public void remove(int userId, String packageName) { 980 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 981 if (packages != null) { 982 packages.remove(packageName); 983 } 984 } 985 986 public void remove(int userId) { 987 mUidMap.remove(userId); 988 } 989 990 public int userIdCount() { 991 return mUidMap.size(); 992 } 993 994 public int userIdAt(int n) { 995 return mUidMap.keyAt(n); 996 } 997 998 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 999 return mUidMap.get(userId); 1000 } 1001 1002 public int size() { 1003 // total number of pending broadcast entries across all userIds 1004 int num = 0; 1005 for (int i = 0; i< mUidMap.size(); i++) { 1006 num += mUidMap.valueAt(i).size(); 1007 } 1008 return num; 1009 } 1010 1011 public void clear() { 1012 mUidMap.clear(); 1013 } 1014 1015 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1016 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1017 if (map == null) { 1018 map = new ArrayMap<String, ArrayList<String>>(); 1019 mUidMap.put(userId, map); 1020 } 1021 return map; 1022 } 1023 } 1024 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1025 1026 // Service Connection to remote media container service to copy 1027 // package uri's from external media onto secure containers 1028 // or internal storage. 1029 private IMediaContainerService mContainerService = null; 1030 1031 static final int SEND_PENDING_BROADCAST = 1; 1032 static final int MCS_BOUND = 3; 1033 static final int END_COPY = 4; 1034 static final int INIT_COPY = 5; 1035 static final int MCS_UNBIND = 6; 1036 static final int START_CLEANING_PACKAGE = 7; 1037 static final int FIND_INSTALL_LOC = 8; 1038 static final int POST_INSTALL = 9; 1039 static final int MCS_RECONNECT = 10; 1040 static final int MCS_GIVE_UP = 11; 1041 static final int UPDATED_MEDIA_STATUS = 12; 1042 static final int WRITE_SETTINGS = 13; 1043 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1044 static final int PACKAGE_VERIFIED = 15; 1045 static final int CHECK_PENDING_VERIFICATION = 16; 1046 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1047 static final int INTENT_FILTER_VERIFIED = 18; 1048 static final int WRITE_PACKAGE_LIST = 19; 1049 1050 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1051 1052 // Delay time in millisecs 1053 static final int BROADCAST_DELAY = 10 * 1000; 1054 1055 static UserManagerService sUserManager; 1056 1057 // Stores a list of users whose package restrictions file needs to be updated 1058 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1059 1060 final private DefaultContainerConnection mDefContainerConn = 1061 new DefaultContainerConnection(); 1062 class DefaultContainerConnection implements ServiceConnection { 1063 public void onServiceConnected(ComponentName name, IBinder service) { 1064 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1065 IMediaContainerService imcs = 1066 IMediaContainerService.Stub.asInterface(service); 1067 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1068 } 1069 1070 public void onServiceDisconnected(ComponentName name) { 1071 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1072 } 1073 } 1074 1075 // Recordkeeping of restore-after-install operations that are currently in flight 1076 // between the Package Manager and the Backup Manager 1077 static class PostInstallData { 1078 public InstallArgs args; 1079 public PackageInstalledInfo res; 1080 1081 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1082 args = _a; 1083 res = _r; 1084 } 1085 } 1086 1087 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1088 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1089 1090 // XML tags for backup/restore of various bits of state 1091 private static final String TAG_PREFERRED_BACKUP = "pa"; 1092 private static final String TAG_DEFAULT_APPS = "da"; 1093 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1094 1095 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1096 private static final String TAG_ALL_GRANTS = "rt-grants"; 1097 private static final String TAG_GRANT = "grant"; 1098 private static final String ATTR_PACKAGE_NAME = "pkg"; 1099 1100 private static final String TAG_PERMISSION = "perm"; 1101 private static final String ATTR_PERMISSION_NAME = "name"; 1102 private static final String ATTR_IS_GRANTED = "g"; 1103 private static final String ATTR_USER_SET = "set"; 1104 private static final String ATTR_USER_FIXED = "fixed"; 1105 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1106 1107 // System/policy permission grants are not backed up 1108 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1109 FLAG_PERMISSION_POLICY_FIXED 1110 | FLAG_PERMISSION_SYSTEM_FIXED 1111 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1112 1113 // And we back up these user-adjusted states 1114 private static final int USER_RUNTIME_GRANT_MASK = 1115 FLAG_PERMISSION_USER_SET 1116 | FLAG_PERMISSION_USER_FIXED 1117 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1118 1119 final @Nullable String mRequiredVerifierPackage; 1120 final @NonNull String mRequiredInstallerPackage; 1121 final @Nullable String mSetupWizardPackage; 1122 final @NonNull String mServicesSystemSharedLibraryPackageName; 1123 final @NonNull String mSharedSystemSharedLibraryPackageName; 1124 1125 private final PackageUsage mPackageUsage = new PackageUsage(); 1126 1127 private class PackageUsage { 1128 private static final int WRITE_INTERVAL 1129 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1130 1131 private final Object mFileLock = new Object(); 1132 private final AtomicLong mLastWritten = new AtomicLong(0); 1133 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1134 1135 private boolean mIsHistoricalPackageUsageAvailable = true; 1136 1137 boolean isHistoricalPackageUsageAvailable() { 1138 return mIsHistoricalPackageUsageAvailable; 1139 } 1140 1141 void write(boolean force) { 1142 if (force) { 1143 writeInternal(); 1144 return; 1145 } 1146 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1147 && !DEBUG_DEXOPT) { 1148 return; 1149 } 1150 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1151 new Thread("PackageUsage_DiskWriter") { 1152 @Override 1153 public void run() { 1154 try { 1155 writeInternal(); 1156 } finally { 1157 mBackgroundWriteRunning.set(false); 1158 } 1159 } 1160 }.start(); 1161 } 1162 } 1163 1164 private void writeInternal() { 1165 synchronized (mPackages) { 1166 synchronized (mFileLock) { 1167 AtomicFile file = getFile(); 1168 FileOutputStream f = null; 1169 try { 1170 f = file.startWrite(); 1171 BufferedOutputStream out = new BufferedOutputStream(f); 1172 FileUtils.setPermissions(file.getBaseFile().getPath(), 1173 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1174 StringBuilder sb = new StringBuilder(); 1175 1176 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1177 sb.append('\n'); 1178 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1179 1180 for (PackageParser.Package pkg : mPackages.values()) { 1181 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1182 continue; 1183 } 1184 sb.setLength(0); 1185 sb.append(pkg.packageName); 1186 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1187 sb.append(' '); 1188 sb.append(usageTimeInMillis); 1189 } 1190 sb.append('\n'); 1191 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1192 } 1193 out.flush(); 1194 file.finishWrite(f); 1195 } catch (IOException e) { 1196 if (f != null) { 1197 file.failWrite(f); 1198 } 1199 Log.e(TAG, "Failed to write package usage times", e); 1200 } 1201 } 1202 } 1203 mLastWritten.set(SystemClock.elapsedRealtime()); 1204 } 1205 1206 void readLP() { 1207 synchronized (mFileLock) { 1208 AtomicFile file = getFile(); 1209 BufferedInputStream in = null; 1210 try { 1211 in = new BufferedInputStream(file.openRead()); 1212 StringBuffer sb = new StringBuffer(); 1213 1214 String firstLine = readLine(in, sb); 1215 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1216 readVersion1LP(in, sb); 1217 } else { 1218 readVersion0LP(in, sb, firstLine); 1219 } 1220 } catch (FileNotFoundException expected) { 1221 mIsHistoricalPackageUsageAvailable = false; 1222 } catch (IOException e) { 1223 Log.w(TAG, "Failed to read package usage times", e); 1224 } finally { 1225 IoUtils.closeQuietly(in); 1226 } 1227 } 1228 mLastWritten.set(SystemClock.elapsedRealtime()); 1229 } 1230 1231 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1232 throws IOException { 1233 // Initial version of the file had no version number and stored one 1234 // package-timestamp pair per line. 1235 // Note that the first line has already been read from the InputStream. 1236 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1237 String[] tokens = line.split(" "); 1238 if (tokens.length != 2) { 1239 throw new IOException("Failed to parse " + line + 1240 " as package-timestamp pair."); 1241 } 1242 1243 String packageName = tokens[0]; 1244 PackageParser.Package pkg = mPackages.get(packageName); 1245 if (pkg == null) { 1246 continue; 1247 } 1248 1249 long timestamp = parseAsLong(tokens[1]); 1250 for (int reason = 0; 1251 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1252 reason++) { 1253 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1254 } 1255 } 1256 } 1257 1258 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1259 // Version 1 of the file started with the corresponding version 1260 // number and then stored a package name and eight timestamps per line. 1261 String line; 1262 while ((line = readLine(in, sb)) != null) { 1263 String[] tokens = line.split(" "); 1264 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1265 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1266 } 1267 1268 String packageName = tokens[0]; 1269 PackageParser.Package pkg = mPackages.get(packageName); 1270 if (pkg == null) { 1271 continue; 1272 } 1273 1274 for (int reason = 0; 1275 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1276 reason++) { 1277 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1278 } 1279 } 1280 } 1281 1282 private long parseAsLong(String token) throws IOException { 1283 try { 1284 return Long.parseLong(token); 1285 } catch (NumberFormatException e) { 1286 throw new IOException("Failed to parse " + token + " as a long.", e); 1287 } 1288 } 1289 1290 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1291 return readToken(in, sb, '\n'); 1292 } 1293 1294 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1295 throws IOException { 1296 sb.setLength(0); 1297 while (true) { 1298 int ch = in.read(); 1299 if (ch == -1) { 1300 if (sb.length() == 0) { 1301 return null; 1302 } 1303 throw new IOException("Unexpected EOF"); 1304 } 1305 if (ch == endOfToken) { 1306 return sb.toString(); 1307 } 1308 sb.append((char)ch); 1309 } 1310 } 1311 1312 private AtomicFile getFile() { 1313 File dataDir = Environment.getDataDirectory(); 1314 File systemDir = new File(dataDir, "system"); 1315 File fname = new File(systemDir, "package-usage.list"); 1316 return new AtomicFile(fname); 1317 } 1318 1319 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1320 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1321 } 1322 1323 class PackageHandler extends Handler { 1324 private boolean mBound = false; 1325 final ArrayList<HandlerParams> mPendingInstalls = 1326 new ArrayList<HandlerParams>(); 1327 1328 private boolean connectToService() { 1329 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1330 " DefaultContainerService"); 1331 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1333 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1334 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1335 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1336 mBound = true; 1337 return true; 1338 } 1339 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1340 return false; 1341 } 1342 1343 private void disconnectService() { 1344 mContainerService = null; 1345 mBound = false; 1346 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1347 mContext.unbindService(mDefContainerConn); 1348 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1349 } 1350 1351 PackageHandler(Looper looper) { 1352 super(looper); 1353 } 1354 1355 public void handleMessage(Message msg) { 1356 try { 1357 doHandleMessage(msg); 1358 } finally { 1359 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1360 } 1361 } 1362 1363 void doHandleMessage(Message msg) { 1364 switch (msg.what) { 1365 case INIT_COPY: { 1366 HandlerParams params = (HandlerParams) msg.obj; 1367 int idx = mPendingInstalls.size(); 1368 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1369 // If a bind was already initiated we dont really 1370 // need to do anything. The pending install 1371 // will be processed later on. 1372 if (!mBound) { 1373 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1374 System.identityHashCode(mHandler)); 1375 // If this is the only one pending we might 1376 // have to bind to the service again. 1377 if (!connectToService()) { 1378 Slog.e(TAG, "Failed to bind to media container service"); 1379 params.serviceError(); 1380 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1381 System.identityHashCode(mHandler)); 1382 if (params.traceMethod != null) { 1383 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1384 params.traceCookie); 1385 } 1386 return; 1387 } else { 1388 // Once we bind to the service, the first 1389 // pending request will be processed. 1390 mPendingInstalls.add(idx, params); 1391 } 1392 } else { 1393 mPendingInstalls.add(idx, params); 1394 // Already bound to the service. Just make 1395 // sure we trigger off processing the first request. 1396 if (idx == 0) { 1397 mHandler.sendEmptyMessage(MCS_BOUND); 1398 } 1399 } 1400 break; 1401 } 1402 case MCS_BOUND: { 1403 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1404 if (msg.obj != null) { 1405 mContainerService = (IMediaContainerService) msg.obj; 1406 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1407 System.identityHashCode(mHandler)); 1408 } 1409 if (mContainerService == null) { 1410 if (!mBound) { 1411 // Something seriously wrong since we are not bound and we are not 1412 // waiting for connection. Bail out. 1413 Slog.e(TAG, "Cannot bind to media container service"); 1414 for (HandlerParams params : mPendingInstalls) { 1415 // Indicate service bind error 1416 params.serviceError(); 1417 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1418 System.identityHashCode(params)); 1419 if (params.traceMethod != null) { 1420 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1421 params.traceMethod, params.traceCookie); 1422 } 1423 return; 1424 } 1425 mPendingInstalls.clear(); 1426 } else { 1427 Slog.w(TAG, "Waiting to connect to media container service"); 1428 } 1429 } else if (mPendingInstalls.size() > 0) { 1430 HandlerParams params = mPendingInstalls.get(0); 1431 if (params != null) { 1432 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1433 System.identityHashCode(params)); 1434 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1435 if (params.startCopy()) { 1436 // We are done... look for more work or to 1437 // go idle. 1438 if (DEBUG_SD_INSTALL) Log.i(TAG, 1439 "Checking for more work or unbind..."); 1440 // Delete pending install 1441 if (mPendingInstalls.size() > 0) { 1442 mPendingInstalls.remove(0); 1443 } 1444 if (mPendingInstalls.size() == 0) { 1445 if (mBound) { 1446 if (DEBUG_SD_INSTALL) Log.i(TAG, 1447 "Posting delayed MCS_UNBIND"); 1448 removeMessages(MCS_UNBIND); 1449 Message ubmsg = obtainMessage(MCS_UNBIND); 1450 // Unbind after a little delay, to avoid 1451 // continual thrashing. 1452 sendMessageDelayed(ubmsg, 10000); 1453 } 1454 } else { 1455 // There are more pending requests in queue. 1456 // Just post MCS_BOUND message to trigger processing 1457 // of next pending install. 1458 if (DEBUG_SD_INSTALL) Log.i(TAG, 1459 "Posting MCS_BOUND for next work"); 1460 mHandler.sendEmptyMessage(MCS_BOUND); 1461 } 1462 } 1463 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1464 } 1465 } else { 1466 // Should never happen ideally. 1467 Slog.w(TAG, "Empty queue"); 1468 } 1469 break; 1470 } 1471 case MCS_RECONNECT: { 1472 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1473 if (mPendingInstalls.size() > 0) { 1474 if (mBound) { 1475 disconnectService(); 1476 } 1477 if (!connectToService()) { 1478 Slog.e(TAG, "Failed to bind to media container service"); 1479 for (HandlerParams params : mPendingInstalls) { 1480 // Indicate service bind error 1481 params.serviceError(); 1482 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1483 System.identityHashCode(params)); 1484 } 1485 mPendingInstalls.clear(); 1486 } 1487 } 1488 break; 1489 } 1490 case MCS_UNBIND: { 1491 // If there is no actual work left, then time to unbind. 1492 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1493 1494 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1495 if (mBound) { 1496 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1497 1498 disconnectService(); 1499 } 1500 } else if (mPendingInstalls.size() > 0) { 1501 // There are more pending requests in queue. 1502 // Just post MCS_BOUND message to trigger processing 1503 // of next pending install. 1504 mHandler.sendEmptyMessage(MCS_BOUND); 1505 } 1506 1507 break; 1508 } 1509 case MCS_GIVE_UP: { 1510 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1511 HandlerParams params = mPendingInstalls.remove(0); 1512 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1513 System.identityHashCode(params)); 1514 break; 1515 } 1516 case SEND_PENDING_BROADCAST: { 1517 String packages[]; 1518 ArrayList<String> components[]; 1519 int size = 0; 1520 int uids[]; 1521 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1522 synchronized (mPackages) { 1523 if (mPendingBroadcasts == null) { 1524 return; 1525 } 1526 size = mPendingBroadcasts.size(); 1527 if (size <= 0) { 1528 // Nothing to be done. Just return 1529 return; 1530 } 1531 packages = new String[size]; 1532 components = new ArrayList[size]; 1533 uids = new int[size]; 1534 int i = 0; // filling out the above arrays 1535 1536 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1537 int packageUserId = mPendingBroadcasts.userIdAt(n); 1538 Iterator<Map.Entry<String, ArrayList<String>>> it 1539 = mPendingBroadcasts.packagesForUserId(packageUserId) 1540 .entrySet().iterator(); 1541 while (it.hasNext() && i < size) { 1542 Map.Entry<String, ArrayList<String>> ent = it.next(); 1543 packages[i] = ent.getKey(); 1544 components[i] = ent.getValue(); 1545 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1546 uids[i] = (ps != null) 1547 ? UserHandle.getUid(packageUserId, ps.appId) 1548 : -1; 1549 i++; 1550 } 1551 } 1552 size = i; 1553 mPendingBroadcasts.clear(); 1554 } 1555 // Send broadcasts 1556 for (int i = 0; i < size; i++) { 1557 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1558 } 1559 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1560 break; 1561 } 1562 case START_CLEANING_PACKAGE: { 1563 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1564 final String packageName = (String)msg.obj; 1565 final int userId = msg.arg1; 1566 final boolean andCode = msg.arg2 != 0; 1567 synchronized (mPackages) { 1568 if (userId == UserHandle.USER_ALL) { 1569 int[] users = sUserManager.getUserIds(); 1570 for (int user : users) { 1571 mSettings.addPackageToCleanLPw( 1572 new PackageCleanItem(user, packageName, andCode)); 1573 } 1574 } else { 1575 mSettings.addPackageToCleanLPw( 1576 new PackageCleanItem(userId, packageName, andCode)); 1577 } 1578 } 1579 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1580 startCleaningPackages(); 1581 } break; 1582 case POST_INSTALL: { 1583 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1584 1585 PostInstallData data = mRunningInstalls.get(msg.arg1); 1586 final boolean didRestore = (msg.arg2 != 0); 1587 mRunningInstalls.delete(msg.arg1); 1588 1589 if (data != null) { 1590 InstallArgs args = data.args; 1591 PackageInstalledInfo parentRes = data.res; 1592 1593 final boolean grantPermissions = (args.installFlags 1594 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1595 final boolean killApp = (args.installFlags 1596 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1597 final String[] grantedPermissions = args.installGrantPermissions; 1598 1599 // Handle the parent package 1600 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1601 grantedPermissions, didRestore, args.installerPackageName, 1602 args.observer); 1603 1604 // Handle the child packages 1605 final int childCount = (parentRes.addedChildPackages != null) 1606 ? parentRes.addedChildPackages.size() : 0; 1607 for (int i = 0; i < childCount; i++) { 1608 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1609 handlePackagePostInstall(childRes, grantPermissions, killApp, 1610 grantedPermissions, false, args.installerPackageName, 1611 args.observer); 1612 } 1613 1614 // Log tracing if needed 1615 if (args.traceMethod != null) { 1616 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1617 args.traceCookie); 1618 } 1619 } else { 1620 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1621 } 1622 1623 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1624 } break; 1625 case UPDATED_MEDIA_STATUS: { 1626 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1627 boolean reportStatus = msg.arg1 == 1; 1628 boolean doGc = msg.arg2 == 1; 1629 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1630 if (doGc) { 1631 // Force a gc to clear up stale containers. 1632 Runtime.getRuntime().gc(); 1633 } 1634 if (msg.obj != null) { 1635 @SuppressWarnings("unchecked") 1636 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1637 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1638 // Unload containers 1639 unloadAllContainers(args); 1640 } 1641 if (reportStatus) { 1642 try { 1643 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1644 PackageHelper.getMountService().finishMediaUpdate(); 1645 } catch (RemoteException e) { 1646 Log.e(TAG, "MountService not running?"); 1647 } 1648 } 1649 } break; 1650 case WRITE_SETTINGS: { 1651 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1652 synchronized (mPackages) { 1653 removeMessages(WRITE_SETTINGS); 1654 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1655 mSettings.writeLPr(); 1656 mDirtyUsers.clear(); 1657 } 1658 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1659 } break; 1660 case WRITE_PACKAGE_RESTRICTIONS: { 1661 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1662 synchronized (mPackages) { 1663 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1664 for (int userId : mDirtyUsers) { 1665 mSettings.writePackageRestrictionsLPr(userId); 1666 } 1667 mDirtyUsers.clear(); 1668 } 1669 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1670 } break; 1671 case WRITE_PACKAGE_LIST: { 1672 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1673 synchronized (mPackages) { 1674 removeMessages(WRITE_PACKAGE_LIST); 1675 mSettings.writePackageListLPr(msg.arg1); 1676 } 1677 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1678 } break; 1679 case CHECK_PENDING_VERIFICATION: { 1680 final int verificationId = msg.arg1; 1681 final PackageVerificationState state = mPendingVerification.get(verificationId); 1682 1683 if ((state != null) && !state.timeoutExtended()) { 1684 final InstallArgs args = state.getInstallArgs(); 1685 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1686 1687 Slog.i(TAG, "Verification timed out for " + originUri); 1688 mPendingVerification.remove(verificationId); 1689 1690 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1691 1692 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1693 Slog.i(TAG, "Continuing with installation of " + originUri); 1694 state.setVerifierResponse(Binder.getCallingUid(), 1695 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1696 broadcastPackageVerified(verificationId, originUri, 1697 PackageManager.VERIFICATION_ALLOW, 1698 state.getInstallArgs().getUser()); 1699 try { 1700 ret = args.copyApk(mContainerService, true); 1701 } catch (RemoteException e) { 1702 Slog.e(TAG, "Could not contact the ContainerService"); 1703 } 1704 } else { 1705 broadcastPackageVerified(verificationId, originUri, 1706 PackageManager.VERIFICATION_REJECT, 1707 state.getInstallArgs().getUser()); 1708 } 1709 1710 Trace.asyncTraceEnd( 1711 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1712 1713 processPendingInstall(args, ret); 1714 mHandler.sendEmptyMessage(MCS_UNBIND); 1715 } 1716 break; 1717 } 1718 case PACKAGE_VERIFIED: { 1719 final int verificationId = msg.arg1; 1720 1721 final PackageVerificationState state = mPendingVerification.get(verificationId); 1722 if (state == null) { 1723 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1724 break; 1725 } 1726 1727 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1728 1729 state.setVerifierResponse(response.callerUid, response.code); 1730 1731 if (state.isVerificationComplete()) { 1732 mPendingVerification.remove(verificationId); 1733 1734 final InstallArgs args = state.getInstallArgs(); 1735 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1736 1737 int ret; 1738 if (state.isInstallAllowed()) { 1739 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1740 broadcastPackageVerified(verificationId, originUri, 1741 response.code, state.getInstallArgs().getUser()); 1742 try { 1743 ret = args.copyApk(mContainerService, true); 1744 } catch (RemoteException e) { 1745 Slog.e(TAG, "Could not contact the ContainerService"); 1746 } 1747 } else { 1748 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1749 } 1750 1751 Trace.asyncTraceEnd( 1752 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1753 1754 processPendingInstall(args, ret); 1755 mHandler.sendEmptyMessage(MCS_UNBIND); 1756 } 1757 1758 break; 1759 } 1760 case START_INTENT_FILTER_VERIFICATIONS: { 1761 IFVerificationParams params = (IFVerificationParams) msg.obj; 1762 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1763 params.replacing, params.pkg); 1764 break; 1765 } 1766 case INTENT_FILTER_VERIFIED: { 1767 final int verificationId = msg.arg1; 1768 1769 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1770 verificationId); 1771 if (state == null) { 1772 Slog.w(TAG, "Invalid IntentFilter verification token " 1773 + verificationId + " received"); 1774 break; 1775 } 1776 1777 final int userId = state.getUserId(); 1778 1779 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1780 "Processing IntentFilter verification with token:" 1781 + verificationId + " and userId:" + userId); 1782 1783 final IntentFilterVerificationResponse response = 1784 (IntentFilterVerificationResponse) msg.obj; 1785 1786 state.setVerifierResponse(response.callerUid, response.code); 1787 1788 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1789 "IntentFilter verification with token:" + verificationId 1790 + " and userId:" + userId 1791 + " is settings verifier response with response code:" 1792 + response.code); 1793 1794 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1795 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1796 + response.getFailedDomainsString()); 1797 } 1798 1799 if (state.isVerificationComplete()) { 1800 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1801 } else { 1802 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1803 "IntentFilter verification with token:" + verificationId 1804 + " was not said to be complete"); 1805 } 1806 1807 break; 1808 } 1809 } 1810 } 1811 } 1812 1813 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1814 boolean killApp, String[] grantedPermissions, 1815 boolean launchedForRestore, String installerPackage, 1816 IPackageInstallObserver2 installObserver) { 1817 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1818 // Send the removed broadcasts 1819 if (res.removedInfo != null) { 1820 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1821 } 1822 1823 // Now that we successfully installed the package, grant runtime 1824 // permissions if requested before broadcasting the install. 1825 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1826 >= Build.VERSION_CODES.M) { 1827 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1828 } 1829 1830 final boolean update = res.removedInfo != null 1831 && res.removedInfo.removedPackage != null; 1832 1833 // If this is the first time we have child packages for a disabled privileged 1834 // app that had no children, we grant requested runtime permissions to the new 1835 // children if the parent on the system image had them already granted. 1836 if (res.pkg.parentPackage != null) { 1837 synchronized (mPackages) { 1838 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1839 } 1840 } 1841 1842 synchronized (mPackages) { 1843 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1844 } 1845 1846 final String packageName = res.pkg.applicationInfo.packageName; 1847 Bundle extras = new Bundle(1); 1848 extras.putInt(Intent.EXTRA_UID, res.uid); 1849 1850 // Determine the set of users who are adding this package for 1851 // the first time vs. those who are seeing an update. 1852 int[] firstUsers = EMPTY_INT_ARRAY; 1853 int[] updateUsers = EMPTY_INT_ARRAY; 1854 if (res.origUsers == null || res.origUsers.length == 0) { 1855 firstUsers = res.newUsers; 1856 } else { 1857 for (int newUser : res.newUsers) { 1858 boolean isNew = true; 1859 for (int origUser : res.origUsers) { 1860 if (origUser == newUser) { 1861 isNew = false; 1862 break; 1863 } 1864 } 1865 if (isNew) { 1866 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1867 } else { 1868 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1869 } 1870 } 1871 } 1872 1873 // Send installed broadcasts if the install/update is not ephemeral 1874 if (!isEphemeral(res.pkg)) { 1875 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1876 1877 // Send added for users that see the package for the first time 1878 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1879 extras, 0 /*flags*/, null /*targetPackage*/, 1880 null /*finishedReceiver*/, firstUsers); 1881 1882 // Send added for users that don't see the package for the first time 1883 if (update) { 1884 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1885 } 1886 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1887 extras, 0 /*flags*/, null /*targetPackage*/, 1888 null /*finishedReceiver*/, updateUsers); 1889 1890 // Send replaced for users that don't see the package for the first time 1891 if (update) { 1892 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1893 packageName, extras, 0 /*flags*/, 1894 null /*targetPackage*/, null /*finishedReceiver*/, 1895 updateUsers); 1896 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1897 null /*package*/, null /*extras*/, 0 /*flags*/, 1898 packageName /*targetPackage*/, 1899 null /*finishedReceiver*/, updateUsers); 1900 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1901 // First-install and we did a restore, so we're responsible for the 1902 // first-launch broadcast. 1903 if (DEBUG_BACKUP) { 1904 Slog.i(TAG, "Post-restore of " + packageName 1905 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1906 } 1907 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1908 } 1909 1910 // Send broadcast package appeared if forward locked/external for all users 1911 // treat asec-hosted packages like removable media on upgrade 1912 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1913 if (DEBUG_INSTALL) { 1914 Slog.i(TAG, "upgrading pkg " + res.pkg 1915 + " is ASEC-hosted -> AVAILABLE"); 1916 } 1917 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1918 ArrayList<String> pkgList = new ArrayList<>(1); 1919 pkgList.add(packageName); 1920 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1921 } 1922 } 1923 1924 // Work that needs to happen on first install within each user 1925 if (firstUsers != null && firstUsers.length > 0) { 1926 synchronized (mPackages) { 1927 for (int userId : firstUsers) { 1928 // If this app is a browser and it's newly-installed for some 1929 // users, clear any default-browser state in those users. The 1930 // app's nature doesn't depend on the user, so we can just check 1931 // its browser nature in any user and generalize. 1932 if (packageIsBrowser(packageName, userId)) { 1933 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1934 } 1935 1936 // We may also need to apply pending (restored) runtime 1937 // permission grants within these users. 1938 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1939 } 1940 } 1941 } 1942 1943 // Log current value of "unknown sources" setting 1944 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1945 getUnknownSourcesSettings()); 1946 1947 // Force a gc to clear up things 1948 Runtime.getRuntime().gc(); 1949 1950 // Remove the replaced package's older resources safely now 1951 // We delete after a gc for applications on sdcard. 1952 if (res.removedInfo != null && res.removedInfo.args != null) { 1953 synchronized (mInstallLock) { 1954 res.removedInfo.args.doPostDeleteLI(true); 1955 } 1956 } 1957 } 1958 1959 // If someone is watching installs - notify them 1960 if (installObserver != null) { 1961 try { 1962 Bundle extras = extrasForInstallResult(res); 1963 installObserver.onPackageInstalled(res.name, res.returnCode, 1964 res.returnMsg, extras); 1965 } catch (RemoteException e) { 1966 Slog.i(TAG, "Observer no longer exists."); 1967 } 1968 } 1969 } 1970 1971 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1972 PackageParser.Package pkg) { 1973 if (pkg.parentPackage == null) { 1974 return; 1975 } 1976 if (pkg.requestedPermissions == null) { 1977 return; 1978 } 1979 final PackageSetting disabledSysParentPs = mSettings 1980 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1981 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1982 || !disabledSysParentPs.isPrivileged() 1983 || (disabledSysParentPs.childPackageNames != null 1984 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1985 return; 1986 } 1987 final int[] allUserIds = sUserManager.getUserIds(); 1988 final int permCount = pkg.requestedPermissions.size(); 1989 for (int i = 0; i < permCount; i++) { 1990 String permission = pkg.requestedPermissions.get(i); 1991 BasePermission bp = mSettings.mPermissions.get(permission); 1992 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1993 continue; 1994 } 1995 for (int userId : allUserIds) { 1996 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1997 permission, userId)) { 1998 grantRuntimePermission(pkg.packageName, permission, userId); 1999 } 2000 } 2001 } 2002 } 2003 2004 private StorageEventListener mStorageListener = new StorageEventListener() { 2005 @Override 2006 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2007 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2008 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2009 final String volumeUuid = vol.getFsUuid(); 2010 2011 // Clean up any users or apps that were removed or recreated 2012 // while this volume was missing 2013 reconcileUsers(volumeUuid); 2014 reconcileApps(volumeUuid); 2015 2016 // Clean up any install sessions that expired or were 2017 // cancelled while this volume was missing 2018 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2019 2020 loadPrivatePackages(vol); 2021 2022 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2023 unloadPrivatePackages(vol); 2024 } 2025 } 2026 2027 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2028 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2029 updateExternalMediaStatus(true, false); 2030 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2031 updateExternalMediaStatus(false, false); 2032 } 2033 } 2034 } 2035 2036 @Override 2037 public void onVolumeForgotten(String fsUuid) { 2038 if (TextUtils.isEmpty(fsUuid)) { 2039 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2040 return; 2041 } 2042 2043 // Remove any apps installed on the forgotten volume 2044 synchronized (mPackages) { 2045 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2046 for (PackageSetting ps : packages) { 2047 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2048 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2049 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2050 } 2051 2052 mSettings.onVolumeForgotten(fsUuid); 2053 mSettings.writeLPr(); 2054 } 2055 } 2056 }; 2057 2058 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2059 String[] grantedPermissions) { 2060 for (int userId : userIds) { 2061 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2062 } 2063 2064 // We could have touched GID membership, so flush out packages.list 2065 synchronized (mPackages) { 2066 mSettings.writePackageListLPr(); 2067 } 2068 } 2069 2070 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2071 String[] grantedPermissions) { 2072 SettingBase sb = (SettingBase) pkg.mExtras; 2073 if (sb == null) { 2074 return; 2075 } 2076 2077 PermissionsState permissionsState = sb.getPermissionsState(); 2078 2079 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2080 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2081 2082 for (String permission : pkg.requestedPermissions) { 2083 final BasePermission bp; 2084 synchronized (mPackages) { 2085 bp = mSettings.mPermissions.get(permission); 2086 } 2087 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2088 && (grantedPermissions == null 2089 || ArrayUtils.contains(grantedPermissions, permission))) { 2090 final int flags = permissionsState.getPermissionFlags(permission, userId); 2091 // Installer cannot change immutable permissions. 2092 if ((flags & immutableFlags) == 0) { 2093 grantRuntimePermission(pkg.packageName, permission, userId); 2094 } 2095 } 2096 } 2097 } 2098 2099 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2100 Bundle extras = null; 2101 switch (res.returnCode) { 2102 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2103 extras = new Bundle(); 2104 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2105 res.origPermission); 2106 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2107 res.origPackage); 2108 break; 2109 } 2110 case PackageManager.INSTALL_SUCCEEDED: { 2111 extras = new Bundle(); 2112 extras.putBoolean(Intent.EXTRA_REPLACING, 2113 res.removedInfo != null && res.removedInfo.removedPackage != null); 2114 break; 2115 } 2116 } 2117 return extras; 2118 } 2119 2120 void scheduleWriteSettingsLocked() { 2121 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2122 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2123 } 2124 } 2125 2126 void scheduleWritePackageListLocked(int userId) { 2127 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2128 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2129 msg.arg1 = userId; 2130 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2131 } 2132 } 2133 2134 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2135 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2136 scheduleWritePackageRestrictionsLocked(userId); 2137 } 2138 2139 void scheduleWritePackageRestrictionsLocked(int userId) { 2140 final int[] userIds = (userId == UserHandle.USER_ALL) 2141 ? sUserManager.getUserIds() : new int[]{userId}; 2142 for (int nextUserId : userIds) { 2143 if (!sUserManager.exists(nextUserId)) return; 2144 mDirtyUsers.add(nextUserId); 2145 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2146 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2147 } 2148 } 2149 } 2150 2151 public static PackageManagerService main(Context context, Installer installer, 2152 boolean factoryTest, boolean onlyCore) { 2153 // Self-check for initial settings. 2154 PackageManagerServiceCompilerMapping.checkProperties(); 2155 2156 PackageManagerService m = new PackageManagerService(context, installer, 2157 factoryTest, onlyCore); 2158 m.enableSystemUserPackages(); 2159 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2160 // disabled after already being started. 2161 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2162 UserHandle.USER_SYSTEM); 2163 ServiceManager.addService("package", m); 2164 return m; 2165 } 2166 2167 private void enableSystemUserPackages() { 2168 if (!UserManager.isSplitSystemUser()) { 2169 return; 2170 } 2171 // For system user, enable apps based on the following conditions: 2172 // - app is whitelisted or belong to one of these groups: 2173 // -- system app which has no launcher icons 2174 // -- system app which has INTERACT_ACROSS_USERS permission 2175 // -- system IME app 2176 // - app is not in the blacklist 2177 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2178 Set<String> enableApps = new ArraySet<>(); 2179 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2180 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2181 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2182 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2183 enableApps.addAll(wlApps); 2184 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2185 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2186 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2187 enableApps.removeAll(blApps); 2188 Log.i(TAG, "Applications installed for system user: " + enableApps); 2189 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2190 UserHandle.SYSTEM); 2191 final int allAppsSize = allAps.size(); 2192 synchronized (mPackages) { 2193 for (int i = 0; i < allAppsSize; i++) { 2194 String pName = allAps.get(i); 2195 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2196 // Should not happen, but we shouldn't be failing if it does 2197 if (pkgSetting == null) { 2198 continue; 2199 } 2200 boolean install = enableApps.contains(pName); 2201 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2202 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2203 + " for system user"); 2204 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2205 } 2206 } 2207 } 2208 } 2209 2210 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2211 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2212 Context.DISPLAY_SERVICE); 2213 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2214 } 2215 2216 public PackageManagerService(Context context, Installer installer, 2217 boolean factoryTest, boolean onlyCore) { 2218 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2219 SystemClock.uptimeMillis()); 2220 2221 if (mSdkVersion <= 0) { 2222 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2223 } 2224 2225 mContext = context; 2226 mFactoryTest = factoryTest; 2227 mOnlyCore = onlyCore; 2228 mMetrics = new DisplayMetrics(); 2229 mSettings = new Settings(mPackages); 2230 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2231 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2232 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2233 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2234 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2235 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2236 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2237 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2238 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2239 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2240 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2241 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2242 2243 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2244 if (separateProcesses != null && separateProcesses.length() > 0) { 2245 if ("*".equals(separateProcesses)) { 2246 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2247 mSeparateProcesses = null; 2248 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2249 } else { 2250 mDefParseFlags = 0; 2251 mSeparateProcesses = separateProcesses.split(","); 2252 Slog.w(TAG, "Running with debug.separate_processes: " 2253 + separateProcesses); 2254 } 2255 } else { 2256 mDefParseFlags = 0; 2257 mSeparateProcesses = null; 2258 } 2259 2260 mInstaller = installer; 2261 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2262 "*dexopt*"); 2263 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2264 2265 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2266 FgThread.get().getLooper()); 2267 2268 getDefaultDisplayMetrics(context, mMetrics); 2269 2270 SystemConfig systemConfig = SystemConfig.getInstance(); 2271 mGlobalGids = systemConfig.getGlobalGids(); 2272 mSystemPermissions = systemConfig.getSystemPermissions(); 2273 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2274 2275 synchronized (mInstallLock) { 2276 // writer 2277 synchronized (mPackages) { 2278 mHandlerThread = new ServiceThread(TAG, 2279 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2280 mHandlerThread.start(); 2281 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2282 mProcessLoggingHandler = new ProcessLoggingHandler(); 2283 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2284 2285 File dataDir = Environment.getDataDirectory(); 2286 mAppInstallDir = new File(dataDir, "app"); 2287 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2288 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2289 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2290 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2291 2292 sUserManager = new UserManagerService(context, this, mPackages); 2293 2294 // Propagate permission configuration in to package manager. 2295 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2296 = systemConfig.getPermissions(); 2297 for (int i=0; i<permConfig.size(); i++) { 2298 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2299 BasePermission bp = mSettings.mPermissions.get(perm.name); 2300 if (bp == null) { 2301 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2302 mSettings.mPermissions.put(perm.name, bp); 2303 } 2304 if (perm.gids != null) { 2305 bp.setGids(perm.gids, perm.perUser); 2306 } 2307 } 2308 2309 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2310 for (int i=0; i<libConfig.size(); i++) { 2311 mSharedLibraries.put(libConfig.keyAt(i), 2312 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2313 } 2314 2315 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2316 2317 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2318 2319 String customResolverActivity = Resources.getSystem().getString( 2320 R.string.config_customResolverActivity); 2321 if (TextUtils.isEmpty(customResolverActivity)) { 2322 customResolverActivity = null; 2323 } else { 2324 mCustomResolverComponentName = ComponentName.unflattenFromString( 2325 customResolverActivity); 2326 } 2327 2328 long startTime = SystemClock.uptimeMillis(); 2329 2330 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2331 startTime); 2332 2333 // Set flag to monitor and not change apk file paths when 2334 // scanning install directories. 2335 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2336 2337 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2338 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2339 2340 if (bootClassPath == null) { 2341 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2342 } 2343 2344 if (systemServerClassPath == null) { 2345 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2346 } 2347 2348 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2349 final String[] dexCodeInstructionSets = 2350 getDexCodeInstructionSets( 2351 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2352 2353 /** 2354 * Ensure all external libraries have had dexopt run on them. 2355 */ 2356 if (mSharedLibraries.size() > 0) { 2357 // NOTE: For now, we're compiling these system "shared libraries" 2358 // (and framework jars) into all available architectures. It's possible 2359 // to compile them only when we come across an app that uses them (there's 2360 // already logic for that in scanPackageLI) but that adds some complexity. 2361 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2362 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2363 final String lib = libEntry.path; 2364 if (lib == null) { 2365 continue; 2366 } 2367 2368 try { 2369 // Shared libraries do not have profiles so we perform a full 2370 // AOT compilation (if needed). 2371 int dexoptNeeded = DexFile.getDexOptNeeded( 2372 lib, dexCodeInstructionSet, 2373 getCompilerFilterForReason(REASON_SHARED_APK), 2374 false /* newProfile */); 2375 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2376 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2377 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2378 getCompilerFilterForReason(REASON_SHARED_APK), 2379 StorageManager.UUID_PRIVATE_INTERNAL, 2380 SKIP_SHARED_LIBRARY_CHECK); 2381 } 2382 } catch (FileNotFoundException e) { 2383 Slog.w(TAG, "Library not found: " + lib); 2384 } catch (IOException | InstallerException e) { 2385 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2386 + e.getMessage()); 2387 } 2388 } 2389 } 2390 } 2391 2392 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2393 2394 final VersionInfo ver = mSettings.getInternalVersion(); 2395 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2396 2397 // when upgrading from pre-M, promote system app permissions from install to runtime 2398 mPromoteSystemApps = 2399 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2400 2401 // When upgrading from pre-N, we need to handle package extraction like first boot, 2402 // as there is no profiling data available. 2403 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2404 2405 // save off the names of pre-existing system packages prior to scanning; we don't 2406 // want to automatically grant runtime permissions for new system apps 2407 if (mPromoteSystemApps) { 2408 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2409 while (pkgSettingIter.hasNext()) { 2410 PackageSetting ps = pkgSettingIter.next(); 2411 if (isSystemApp(ps)) { 2412 mExistingSystemPackages.add(ps.name); 2413 } 2414 } 2415 } 2416 2417 // Collect vendor overlay packages. 2418 // (Do this before scanning any apps.) 2419 // For security and version matching reason, only consider 2420 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2421 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2422 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2423 | PackageParser.PARSE_IS_SYSTEM 2424 | PackageParser.PARSE_IS_SYSTEM_DIR 2425 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2426 2427 // Find base frameworks (resource packages without code). 2428 scanDirTracedLI(frameworkDir, mDefParseFlags 2429 | PackageParser.PARSE_IS_SYSTEM 2430 | PackageParser.PARSE_IS_SYSTEM_DIR 2431 | PackageParser.PARSE_IS_PRIVILEGED, 2432 scanFlags | SCAN_NO_DEX, 0); 2433 2434 // Collected privileged system packages. 2435 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2436 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2437 | PackageParser.PARSE_IS_SYSTEM 2438 | PackageParser.PARSE_IS_SYSTEM_DIR 2439 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2440 2441 // Collect ordinary system packages. 2442 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2443 scanDirTracedLI(systemAppDir, mDefParseFlags 2444 | PackageParser.PARSE_IS_SYSTEM 2445 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2446 2447 // Collect all vendor packages. 2448 File vendorAppDir = new File("/vendor/app"); 2449 try { 2450 vendorAppDir = vendorAppDir.getCanonicalFile(); 2451 } catch (IOException e) { 2452 // failed to look up canonical path, continue with original one 2453 } 2454 scanDirTracedLI(vendorAppDir, mDefParseFlags 2455 | PackageParser.PARSE_IS_SYSTEM 2456 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2457 2458 // Collect all OEM packages. 2459 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2460 scanDirTracedLI(oemAppDir, mDefParseFlags 2461 | PackageParser.PARSE_IS_SYSTEM 2462 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2463 2464 // Prune any system packages that no longer exist. 2465 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2466 if (!mOnlyCore) { 2467 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2468 while (psit.hasNext()) { 2469 PackageSetting ps = psit.next(); 2470 2471 /* 2472 * If this is not a system app, it can't be a 2473 * disable system app. 2474 */ 2475 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2476 continue; 2477 } 2478 2479 /* 2480 * If the package is scanned, it's not erased. 2481 */ 2482 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2483 if (scannedPkg != null) { 2484 /* 2485 * If the system app is both scanned and in the 2486 * disabled packages list, then it must have been 2487 * added via OTA. Remove it from the currently 2488 * scanned package so the previously user-installed 2489 * application can be scanned. 2490 */ 2491 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2492 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2493 + ps.name + "; removing system app. Last known codePath=" 2494 + ps.codePathString + ", installStatus=" + ps.installStatus 2495 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2496 + scannedPkg.mVersionCode); 2497 removePackageLI(scannedPkg, true); 2498 mExpectingBetter.put(ps.name, ps.codePath); 2499 } 2500 2501 continue; 2502 } 2503 2504 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2505 psit.remove(); 2506 logCriticalInfo(Log.WARN, "System package " + ps.name 2507 + " no longer exists; it's data will be wiped"); 2508 // Actual deletion of code and data will be handled by later 2509 // reconciliation step 2510 } else { 2511 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2512 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2513 possiblyDeletedUpdatedSystemApps.add(ps.name); 2514 } 2515 } 2516 } 2517 } 2518 2519 //look for any incomplete package installations 2520 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2521 for (int i = 0; i < deletePkgsList.size(); i++) { 2522 // Actual deletion of code and data will be handled by later 2523 // reconciliation step 2524 final String packageName = deletePkgsList.get(i).name; 2525 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2526 synchronized (mPackages) { 2527 mSettings.removePackageLPw(packageName); 2528 } 2529 } 2530 2531 //delete tmp files 2532 deleteTempPackageFiles(); 2533 2534 // Remove any shared userIDs that have no associated packages 2535 mSettings.pruneSharedUsersLPw(); 2536 2537 if (!mOnlyCore) { 2538 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2539 SystemClock.uptimeMillis()); 2540 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2541 2542 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2543 | PackageParser.PARSE_FORWARD_LOCK, 2544 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2545 2546 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2547 | PackageParser.PARSE_IS_EPHEMERAL, 2548 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2549 2550 /** 2551 * Remove disable package settings for any updated system 2552 * apps that were removed via an OTA. If they're not a 2553 * previously-updated app, remove them completely. 2554 * Otherwise, just revoke their system-level permissions. 2555 */ 2556 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2557 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2558 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2559 2560 String msg; 2561 if (deletedPkg == null) { 2562 msg = "Updated system package " + deletedAppName 2563 + " no longer exists; it's data will be wiped"; 2564 // Actual deletion of code and data will be handled by later 2565 // reconciliation step 2566 } else { 2567 msg = "Updated system app + " + deletedAppName 2568 + " no longer present; removing system privileges for " 2569 + deletedAppName; 2570 2571 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2572 2573 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2574 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2575 } 2576 logCriticalInfo(Log.WARN, msg); 2577 } 2578 2579 /** 2580 * Make sure all system apps that we expected to appear on 2581 * the userdata partition actually showed up. If they never 2582 * appeared, crawl back and revive the system version. 2583 */ 2584 for (int i = 0; i < mExpectingBetter.size(); i++) { 2585 final String packageName = mExpectingBetter.keyAt(i); 2586 if (!mPackages.containsKey(packageName)) { 2587 final File scanFile = mExpectingBetter.valueAt(i); 2588 2589 logCriticalInfo(Log.WARN, "Expected better " + packageName 2590 + " but never showed up; reverting to system"); 2591 2592 int reparseFlags = mDefParseFlags; 2593 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2594 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2595 | PackageParser.PARSE_IS_SYSTEM_DIR 2596 | PackageParser.PARSE_IS_PRIVILEGED; 2597 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2598 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2599 | PackageParser.PARSE_IS_SYSTEM_DIR; 2600 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2601 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2602 | PackageParser.PARSE_IS_SYSTEM_DIR; 2603 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2604 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2605 | PackageParser.PARSE_IS_SYSTEM_DIR; 2606 } else { 2607 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2608 continue; 2609 } 2610 2611 mSettings.enableSystemPackageLPw(packageName); 2612 2613 try { 2614 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2615 } catch (PackageManagerException e) { 2616 Slog.e(TAG, "Failed to parse original system package: " 2617 + e.getMessage()); 2618 } 2619 } 2620 } 2621 } 2622 mExpectingBetter.clear(); 2623 2624 // Resolve protected action filters. Only the setup wizard is allowed to 2625 // have a high priority filter for these actions. 2626 mSetupWizardPackage = getSetupWizardPackageName(); 2627 if (mProtectedFilters.size() > 0) { 2628 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2629 Slog.i(TAG, "No setup wizard;" 2630 + " All protected intents capped to priority 0"); 2631 } 2632 for (ActivityIntentInfo filter : mProtectedFilters) { 2633 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2634 if (DEBUG_FILTERS) { 2635 Slog.i(TAG, "Found setup wizard;" 2636 + " allow priority " + filter.getPriority() + ";" 2637 + " package: " + filter.activity.info.packageName 2638 + " activity: " + filter.activity.className 2639 + " priority: " + filter.getPriority()); 2640 } 2641 // skip setup wizard; allow it to keep the high priority filter 2642 continue; 2643 } 2644 Slog.w(TAG, "Protected action; cap priority to 0;" 2645 + " package: " + filter.activity.info.packageName 2646 + " activity: " + filter.activity.className 2647 + " origPrio: " + filter.getPriority()); 2648 filter.setPriority(0); 2649 } 2650 } 2651 mDeferProtectedFilters = false; 2652 mProtectedFilters.clear(); 2653 2654 // Now that we know all of the shared libraries, update all clients to have 2655 // the correct library paths. 2656 updateAllSharedLibrariesLPw(); 2657 2658 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2659 // NOTE: We ignore potential failures here during a system scan (like 2660 // the rest of the commands above) because there's precious little we 2661 // can do about it. A settings error is reported, though. 2662 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2663 false /* boot complete */); 2664 } 2665 2666 // Now that we know all the packages we are keeping, 2667 // read and update their last usage times. 2668 mPackageUsage.readLP(); 2669 2670 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2671 SystemClock.uptimeMillis()); 2672 Slog.i(TAG, "Time to scan packages: " 2673 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2674 + " seconds"); 2675 2676 // If the platform SDK has changed since the last time we booted, 2677 // we need to re-grant app permission to catch any new ones that 2678 // appear. This is really a hack, and means that apps can in some 2679 // cases get permissions that the user didn't initially explicitly 2680 // allow... it would be nice to have some better way to handle 2681 // this situation. 2682 int updateFlags = UPDATE_PERMISSIONS_ALL; 2683 if (ver.sdkVersion != mSdkVersion) { 2684 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2685 + mSdkVersion + "; regranting permissions for internal storage"); 2686 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2687 } 2688 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2689 ver.sdkVersion = mSdkVersion; 2690 2691 // If this is the first boot or an update from pre-M, and it is a normal 2692 // boot, then we need to initialize the default preferred apps across 2693 // all defined users. 2694 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2695 for (UserInfo user : sUserManager.getUsers(true)) { 2696 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2697 applyFactoryDefaultBrowserLPw(user.id); 2698 primeDomainVerificationsLPw(user.id); 2699 } 2700 } 2701 2702 // Prepare storage for system user really early during boot, 2703 // since core system apps like SettingsProvider and SystemUI 2704 // can't wait for user to start 2705 final int storageFlags; 2706 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2707 storageFlags = StorageManager.FLAG_STORAGE_DE; 2708 } else { 2709 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2710 } 2711 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2712 storageFlags); 2713 2714 // If this is first boot after an OTA, and a normal boot, then 2715 // we need to clear code cache directories. 2716 // Note that we do *not* clear the application profiles. These remain valid 2717 // across OTAs and are used to drive profile verification (post OTA) and 2718 // profile compilation (without waiting to collect a fresh set of profiles). 2719 if (mIsUpgrade && !onlyCore) { 2720 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2721 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2722 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2723 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2724 // No apps are running this early, so no need to freeze 2725 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2726 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2727 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2728 } 2729 } 2730 ver.fingerprint = Build.FINGERPRINT; 2731 } 2732 2733 checkDefaultBrowser(); 2734 2735 // clear only after permissions and other defaults have been updated 2736 mExistingSystemPackages.clear(); 2737 mPromoteSystemApps = false; 2738 2739 // All the changes are done during package scanning. 2740 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2741 2742 // can downgrade to reader 2743 mSettings.writeLPr(); 2744 2745 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2746 // early on (before the package manager declares itself as early) because other 2747 // components in the system server might ask for package contexts for these apps. 2748 // 2749 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2750 // (i.e, that the data partition is unavailable). 2751 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2752 long start = System.nanoTime(); 2753 List<PackageParser.Package> coreApps = new ArrayList<>(); 2754 for (PackageParser.Package pkg : mPackages.values()) { 2755 if (pkg.coreApp) { 2756 coreApps.add(pkg); 2757 } 2758 } 2759 2760 int[] stats = performDexOpt(coreApps, false, 2761 getCompilerFilterForReason(REASON_CORE_APP)); 2762 2763 final int elapsedTimeSeconds = 2764 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2765 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2766 2767 if (DEBUG_DEXOPT) { 2768 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2769 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2770 } 2771 2772 2773 // TODO: Should we log these stats to tron too ? 2774 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2775 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2776 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2777 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2778 } 2779 2780 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2781 SystemClock.uptimeMillis()); 2782 2783 if (!mOnlyCore) { 2784 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2785 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2786 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2787 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2788 mIntentFilterVerifierComponent); 2789 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2790 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2791 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2792 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2793 } else { 2794 mRequiredVerifierPackage = null; 2795 mRequiredInstallerPackage = null; 2796 mIntentFilterVerifierComponent = null; 2797 mIntentFilterVerifier = null; 2798 mServicesSystemSharedLibraryPackageName = null; 2799 mSharedSystemSharedLibraryPackageName = null; 2800 } 2801 2802 mInstallerService = new PackageInstallerService(context, this); 2803 2804 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2805 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2806 // both the installer and resolver must be present to enable ephemeral 2807 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2808 if (DEBUG_EPHEMERAL) { 2809 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2810 + " installer:" + ephemeralInstallerComponent); 2811 } 2812 mEphemeralResolverComponent = ephemeralResolverComponent; 2813 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2814 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2815 mEphemeralResolverConnection = 2816 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2817 } else { 2818 if (DEBUG_EPHEMERAL) { 2819 final String missingComponent = 2820 (ephemeralResolverComponent == null) 2821 ? (ephemeralInstallerComponent == null) 2822 ? "resolver and installer" 2823 : "resolver" 2824 : "installer"; 2825 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2826 } 2827 mEphemeralResolverComponent = null; 2828 mEphemeralInstallerComponent = null; 2829 mEphemeralResolverConnection = null; 2830 } 2831 2832 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2833 } // synchronized (mPackages) 2834 } // synchronized (mInstallLock) 2835 2836 // Now after opening every single application zip, make sure they 2837 // are all flushed. Not really needed, but keeps things nice and 2838 // tidy. 2839 Runtime.getRuntime().gc(); 2840 2841 // The initial scanning above does many calls into installd while 2842 // holding the mPackages lock, but we're mostly interested in yelling 2843 // once we have a booted system. 2844 mInstaller.setWarnIfHeld(mPackages); 2845 2846 // Expose private service for system components to use. 2847 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2848 } 2849 2850 @Override 2851 public boolean isFirstBoot() { 2852 return !mRestoredSettings; 2853 } 2854 2855 @Override 2856 public boolean isOnlyCoreApps() { 2857 return mOnlyCore; 2858 } 2859 2860 @Override 2861 public boolean isUpgrade() { 2862 return mIsUpgrade; 2863 } 2864 2865 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2866 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2867 2868 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2869 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2870 UserHandle.USER_SYSTEM); 2871 if (matches.size() == 1) { 2872 return matches.get(0).getComponentInfo().packageName; 2873 } else { 2874 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2875 return null; 2876 } 2877 } 2878 2879 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2880 synchronized (mPackages) { 2881 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2882 if (libraryEntry == null) { 2883 throw new IllegalStateException("Missing required shared library:" + libraryName); 2884 } 2885 return libraryEntry.apk; 2886 } 2887 } 2888 2889 private @NonNull String getRequiredInstallerLPr() { 2890 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2891 intent.addCategory(Intent.CATEGORY_DEFAULT); 2892 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2893 2894 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2895 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2896 UserHandle.USER_SYSTEM); 2897 if (matches.size() == 1) { 2898 ResolveInfo resolveInfo = matches.get(0); 2899 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2900 throw new RuntimeException("The installer must be a privileged app"); 2901 } 2902 return matches.get(0).getComponentInfo().packageName; 2903 } else { 2904 throw new RuntimeException("There must be exactly one installer; found " + matches); 2905 } 2906 } 2907 2908 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2909 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2910 2911 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2912 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2913 UserHandle.USER_SYSTEM); 2914 ResolveInfo best = null; 2915 final int N = matches.size(); 2916 for (int i = 0; i < N; i++) { 2917 final ResolveInfo cur = matches.get(i); 2918 final String packageName = cur.getComponentInfo().packageName; 2919 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2920 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2921 continue; 2922 } 2923 2924 if (best == null || cur.priority > best.priority) { 2925 best = cur; 2926 } 2927 } 2928 2929 if (best != null) { 2930 return best.getComponentInfo().getComponentName(); 2931 } else { 2932 throw new RuntimeException("There must be at least one intent filter verifier"); 2933 } 2934 } 2935 2936 private @Nullable ComponentName getEphemeralResolverLPr() { 2937 final String[] packageArray = 2938 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2939 if (packageArray.length == 0) { 2940 if (DEBUG_EPHEMERAL) { 2941 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2942 } 2943 return null; 2944 } 2945 2946 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2947 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2948 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2949 UserHandle.USER_SYSTEM); 2950 2951 final int N = resolvers.size(); 2952 if (N == 0) { 2953 if (DEBUG_EPHEMERAL) { 2954 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2955 } 2956 return null; 2957 } 2958 2959 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2960 for (int i = 0; i < N; i++) { 2961 final ResolveInfo info = resolvers.get(i); 2962 2963 if (info.serviceInfo == null) { 2964 continue; 2965 } 2966 2967 final String packageName = info.serviceInfo.packageName; 2968 if (!possiblePackages.contains(packageName)) { 2969 if (DEBUG_EPHEMERAL) { 2970 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2971 + " pkg: " + packageName + ", info:" + info); 2972 } 2973 continue; 2974 } 2975 2976 if (DEBUG_EPHEMERAL) { 2977 Slog.v(TAG, "Ephemeral resolver found;" 2978 + " pkg: " + packageName + ", info:" + info); 2979 } 2980 return new ComponentName(packageName, info.serviceInfo.name); 2981 } 2982 if (DEBUG_EPHEMERAL) { 2983 Slog.v(TAG, "Ephemeral resolver NOT found"); 2984 } 2985 return null; 2986 } 2987 2988 private @Nullable ComponentName getEphemeralInstallerLPr() { 2989 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2990 intent.addCategory(Intent.CATEGORY_DEFAULT); 2991 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2992 2993 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2994 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2995 UserHandle.USER_SYSTEM); 2996 if (matches.size() == 0) { 2997 return null; 2998 } else if (matches.size() == 1) { 2999 return matches.get(0).getComponentInfo().getComponentName(); 3000 } else { 3001 throw new RuntimeException( 3002 "There must be at most one ephemeral installer; found " + matches); 3003 } 3004 } 3005 3006 private void primeDomainVerificationsLPw(int userId) { 3007 if (DEBUG_DOMAIN_VERIFICATION) { 3008 Slog.d(TAG, "Priming domain verifications in user " + userId); 3009 } 3010 3011 SystemConfig systemConfig = SystemConfig.getInstance(); 3012 ArraySet<String> packages = systemConfig.getLinkedApps(); 3013 ArraySet<String> domains = new ArraySet<String>(); 3014 3015 for (String packageName : packages) { 3016 PackageParser.Package pkg = mPackages.get(packageName); 3017 if (pkg != null) { 3018 if (!pkg.isSystemApp()) { 3019 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3020 continue; 3021 } 3022 3023 domains.clear(); 3024 for (PackageParser.Activity a : pkg.activities) { 3025 for (ActivityIntentInfo filter : a.intents) { 3026 if (hasValidDomains(filter)) { 3027 domains.addAll(filter.getHostsList()); 3028 } 3029 } 3030 } 3031 3032 if (domains.size() > 0) { 3033 if (DEBUG_DOMAIN_VERIFICATION) { 3034 Slog.v(TAG, " + " + packageName); 3035 } 3036 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3037 // state w.r.t. the formal app-linkage "no verification attempted" state; 3038 // and then 'always' in the per-user state actually used for intent resolution. 3039 final IntentFilterVerificationInfo ivi; 3040 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3041 new ArrayList<String>(domains)); 3042 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3043 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3044 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3045 } else { 3046 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3047 + "' does not handle web links"); 3048 } 3049 } else { 3050 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3051 } 3052 } 3053 3054 scheduleWritePackageRestrictionsLocked(userId); 3055 scheduleWriteSettingsLocked(); 3056 } 3057 3058 private void applyFactoryDefaultBrowserLPw(int userId) { 3059 // The default browser app's package name is stored in a string resource, 3060 // with a product-specific overlay used for vendor customization. 3061 String browserPkg = mContext.getResources().getString( 3062 com.android.internal.R.string.default_browser); 3063 if (!TextUtils.isEmpty(browserPkg)) { 3064 // non-empty string => required to be a known package 3065 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3066 if (ps == null) { 3067 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3068 browserPkg = null; 3069 } else { 3070 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3071 } 3072 } 3073 3074 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3075 // default. If there's more than one, just leave everything alone. 3076 if (browserPkg == null) { 3077 calculateDefaultBrowserLPw(userId); 3078 } 3079 } 3080 3081 private void calculateDefaultBrowserLPw(int userId) { 3082 List<String> allBrowsers = resolveAllBrowserApps(userId); 3083 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3084 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3085 } 3086 3087 private List<String> resolveAllBrowserApps(int userId) { 3088 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3089 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3090 PackageManager.MATCH_ALL, userId); 3091 3092 final int count = list.size(); 3093 List<String> result = new ArrayList<String>(count); 3094 for (int i=0; i<count; i++) { 3095 ResolveInfo info = list.get(i); 3096 if (info.activityInfo == null 3097 || !info.handleAllWebDataURI 3098 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3099 || result.contains(info.activityInfo.packageName)) { 3100 continue; 3101 } 3102 result.add(info.activityInfo.packageName); 3103 } 3104 3105 return result; 3106 } 3107 3108 private boolean packageIsBrowser(String packageName, int userId) { 3109 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3110 PackageManager.MATCH_ALL, userId); 3111 final int N = list.size(); 3112 for (int i = 0; i < N; i++) { 3113 ResolveInfo info = list.get(i); 3114 if (packageName.equals(info.activityInfo.packageName)) { 3115 return true; 3116 } 3117 } 3118 return false; 3119 } 3120 3121 private void checkDefaultBrowser() { 3122 final int myUserId = UserHandle.myUserId(); 3123 final String packageName = getDefaultBrowserPackageName(myUserId); 3124 if (packageName != null) { 3125 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3126 if (info == null) { 3127 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3128 synchronized (mPackages) { 3129 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3130 } 3131 } 3132 } 3133 } 3134 3135 @Override 3136 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3137 throws RemoteException { 3138 try { 3139 return super.onTransact(code, data, reply, flags); 3140 } catch (RuntimeException e) { 3141 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3142 Slog.wtf(TAG, "Package Manager Crash", e); 3143 } 3144 throw e; 3145 } 3146 } 3147 3148 static int[] appendInts(int[] cur, int[] add) { 3149 if (add == null) return cur; 3150 if (cur == null) return add; 3151 final int N = add.length; 3152 for (int i=0; i<N; i++) { 3153 cur = appendInt(cur, add[i]); 3154 } 3155 return cur; 3156 } 3157 3158 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3159 if (!sUserManager.exists(userId)) return null; 3160 if (ps == null) { 3161 return null; 3162 } 3163 final PackageParser.Package p = ps.pkg; 3164 if (p == null) { 3165 return null; 3166 } 3167 3168 final PermissionsState permissionsState = ps.getPermissionsState(); 3169 3170 final int[] gids = permissionsState.computeGids(userId); 3171 final Set<String> permissions = permissionsState.getPermissions(userId); 3172 final PackageUserState state = ps.readUserState(userId); 3173 3174 return PackageParser.generatePackageInfo(p, gids, flags, 3175 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3176 } 3177 3178 @Override 3179 public void checkPackageStartable(String packageName, int userId) { 3180 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3181 3182 synchronized (mPackages) { 3183 final PackageSetting ps = mSettings.mPackages.get(packageName); 3184 if (ps == null) { 3185 throw new SecurityException("Package " + packageName + " was not found!"); 3186 } 3187 3188 if (!ps.getInstalled(userId)) { 3189 throw new SecurityException( 3190 "Package " + packageName + " was not installed for user " + userId + "!"); 3191 } 3192 3193 if (mSafeMode && !ps.isSystem()) { 3194 throw new SecurityException("Package " + packageName + " not a system app!"); 3195 } 3196 3197 if (mFrozenPackages.contains(packageName)) { 3198 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3199 } 3200 3201 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3202 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3203 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3204 } 3205 } 3206 } 3207 3208 @Override 3209 public boolean isPackageAvailable(String packageName, int userId) { 3210 if (!sUserManager.exists(userId)) return false; 3211 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3212 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3213 synchronized (mPackages) { 3214 PackageParser.Package p = mPackages.get(packageName); 3215 if (p != null) { 3216 final PackageSetting ps = (PackageSetting) p.mExtras; 3217 if (ps != null) { 3218 final PackageUserState state = ps.readUserState(userId); 3219 if (state != null) { 3220 return PackageParser.isAvailable(state); 3221 } 3222 } 3223 } 3224 } 3225 return false; 3226 } 3227 3228 @Override 3229 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3230 if (!sUserManager.exists(userId)) return null; 3231 flags = updateFlagsForPackage(flags, userId, packageName); 3232 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3233 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3234 // reader 3235 synchronized (mPackages) { 3236 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3237 PackageParser.Package p = null; 3238 if (matchFactoryOnly) { 3239 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3240 if (ps != null) { 3241 return generatePackageInfo(ps, flags, userId); 3242 } 3243 } 3244 if (p == null) { 3245 p = mPackages.get(packageName); 3246 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3247 return null; 3248 } 3249 } 3250 if (DEBUG_PACKAGE_INFO) 3251 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3252 if (p != null) { 3253 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3254 } 3255 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3256 final PackageSetting ps = mSettings.mPackages.get(packageName); 3257 return generatePackageInfo(ps, flags, userId); 3258 } 3259 } 3260 return null; 3261 } 3262 3263 @Override 3264 public String[] currentToCanonicalPackageNames(String[] names) { 3265 String[] out = new String[names.length]; 3266 // reader 3267 synchronized (mPackages) { 3268 for (int i=names.length-1; i>=0; i--) { 3269 PackageSetting ps = mSettings.mPackages.get(names[i]); 3270 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3271 } 3272 } 3273 return out; 3274 } 3275 3276 @Override 3277 public String[] canonicalToCurrentPackageNames(String[] names) { 3278 String[] out = new String[names.length]; 3279 // reader 3280 synchronized (mPackages) { 3281 for (int i=names.length-1; i>=0; i--) { 3282 String cur = mSettings.mRenamedPackages.get(names[i]); 3283 out[i] = cur != null ? cur : names[i]; 3284 } 3285 } 3286 return out; 3287 } 3288 3289 @Override 3290 public int getPackageUid(String packageName, int flags, int userId) { 3291 if (!sUserManager.exists(userId)) return -1; 3292 flags = updateFlagsForPackage(flags, userId, packageName); 3293 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3294 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3295 3296 // reader 3297 synchronized (mPackages) { 3298 final PackageParser.Package p = mPackages.get(packageName); 3299 if (p != null && p.isMatch(flags)) { 3300 return UserHandle.getUid(userId, p.applicationInfo.uid); 3301 } 3302 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3303 final PackageSetting ps = mSettings.mPackages.get(packageName); 3304 if (ps != null && ps.isMatch(flags)) { 3305 return UserHandle.getUid(userId, ps.appId); 3306 } 3307 } 3308 } 3309 3310 return -1; 3311 } 3312 3313 @Override 3314 public int[] getPackageGids(String packageName, int flags, int userId) { 3315 if (!sUserManager.exists(userId)) return null; 3316 flags = updateFlagsForPackage(flags, userId, packageName); 3317 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3318 false /* requireFullPermission */, false /* checkShell */, 3319 "getPackageGids"); 3320 3321 // reader 3322 synchronized (mPackages) { 3323 final PackageParser.Package p = mPackages.get(packageName); 3324 if (p != null && p.isMatch(flags)) { 3325 PackageSetting ps = (PackageSetting) p.mExtras; 3326 return ps.getPermissionsState().computeGids(userId); 3327 } 3328 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3329 final PackageSetting ps = mSettings.mPackages.get(packageName); 3330 if (ps != null && ps.isMatch(flags)) { 3331 return ps.getPermissionsState().computeGids(userId); 3332 } 3333 } 3334 } 3335 3336 return null; 3337 } 3338 3339 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3340 if (bp.perm != null) { 3341 return PackageParser.generatePermissionInfo(bp.perm, flags); 3342 } 3343 PermissionInfo pi = new PermissionInfo(); 3344 pi.name = bp.name; 3345 pi.packageName = bp.sourcePackage; 3346 pi.nonLocalizedLabel = bp.name; 3347 pi.protectionLevel = bp.protectionLevel; 3348 return pi; 3349 } 3350 3351 @Override 3352 public PermissionInfo getPermissionInfo(String name, int flags) { 3353 // reader 3354 synchronized (mPackages) { 3355 final BasePermission p = mSettings.mPermissions.get(name); 3356 if (p != null) { 3357 return generatePermissionInfo(p, flags); 3358 } 3359 return null; 3360 } 3361 } 3362 3363 @Override 3364 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3365 int flags) { 3366 // reader 3367 synchronized (mPackages) { 3368 if (group != null && !mPermissionGroups.containsKey(group)) { 3369 // This is thrown as NameNotFoundException 3370 return null; 3371 } 3372 3373 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3374 for (BasePermission p : mSettings.mPermissions.values()) { 3375 if (group == null) { 3376 if (p.perm == null || p.perm.info.group == null) { 3377 out.add(generatePermissionInfo(p, flags)); 3378 } 3379 } else { 3380 if (p.perm != null && group.equals(p.perm.info.group)) { 3381 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3382 } 3383 } 3384 } 3385 return new ParceledListSlice<>(out); 3386 } 3387 } 3388 3389 @Override 3390 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3391 // reader 3392 synchronized (mPackages) { 3393 return PackageParser.generatePermissionGroupInfo( 3394 mPermissionGroups.get(name), flags); 3395 } 3396 } 3397 3398 @Override 3399 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3400 // reader 3401 synchronized (mPackages) { 3402 final int N = mPermissionGroups.size(); 3403 ArrayList<PermissionGroupInfo> out 3404 = new ArrayList<PermissionGroupInfo>(N); 3405 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3406 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3407 } 3408 return new ParceledListSlice<>(out); 3409 } 3410 } 3411 3412 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3413 int userId) { 3414 if (!sUserManager.exists(userId)) return null; 3415 PackageSetting ps = mSettings.mPackages.get(packageName); 3416 if (ps != null) { 3417 if (ps.pkg == null) { 3418 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3419 if (pInfo != null) { 3420 return pInfo.applicationInfo; 3421 } 3422 return null; 3423 } 3424 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3425 ps.readUserState(userId), userId); 3426 } 3427 return null; 3428 } 3429 3430 @Override 3431 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3432 if (!sUserManager.exists(userId)) return null; 3433 flags = updateFlagsForApplication(flags, userId, packageName); 3434 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3435 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3436 // writer 3437 synchronized (mPackages) { 3438 PackageParser.Package p = mPackages.get(packageName); 3439 if (DEBUG_PACKAGE_INFO) Log.v( 3440 TAG, "getApplicationInfo " + packageName 3441 + ": " + p); 3442 if (p != null) { 3443 PackageSetting ps = mSettings.mPackages.get(packageName); 3444 if (ps == null) return null; 3445 // Note: isEnabledLP() does not apply here - always return info 3446 return PackageParser.generateApplicationInfo( 3447 p, flags, ps.readUserState(userId), userId); 3448 } 3449 if ("android".equals(packageName)||"system".equals(packageName)) { 3450 return mAndroidApplication; 3451 } 3452 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3453 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3454 } 3455 } 3456 return null; 3457 } 3458 3459 @Override 3460 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3461 final IPackageDataObserver observer) { 3462 mContext.enforceCallingOrSelfPermission( 3463 android.Manifest.permission.CLEAR_APP_CACHE, null); 3464 // Queue up an async operation since clearing cache may take a little while. 3465 mHandler.post(new Runnable() { 3466 public void run() { 3467 mHandler.removeCallbacks(this); 3468 boolean success = true; 3469 synchronized (mInstallLock) { 3470 try { 3471 mInstaller.freeCache(volumeUuid, freeStorageSize); 3472 } catch (InstallerException e) { 3473 Slog.w(TAG, "Couldn't clear application caches: " + e); 3474 success = false; 3475 } 3476 } 3477 if (observer != null) { 3478 try { 3479 observer.onRemoveCompleted(null, success); 3480 } catch (RemoteException e) { 3481 Slog.w(TAG, "RemoveException when invoking call back"); 3482 } 3483 } 3484 } 3485 }); 3486 } 3487 3488 @Override 3489 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3490 final IntentSender pi) { 3491 mContext.enforceCallingOrSelfPermission( 3492 android.Manifest.permission.CLEAR_APP_CACHE, null); 3493 // Queue up an async operation since clearing cache may take a little while. 3494 mHandler.post(new Runnable() { 3495 public void run() { 3496 mHandler.removeCallbacks(this); 3497 boolean success = true; 3498 synchronized (mInstallLock) { 3499 try { 3500 mInstaller.freeCache(volumeUuid, freeStorageSize); 3501 } catch (InstallerException e) { 3502 Slog.w(TAG, "Couldn't clear application caches: " + e); 3503 success = false; 3504 } 3505 } 3506 if(pi != null) { 3507 try { 3508 // Callback via pending intent 3509 int code = success ? 1 : 0; 3510 pi.sendIntent(null, code, null, 3511 null, null); 3512 } catch (SendIntentException e1) { 3513 Slog.i(TAG, "Failed to send pending intent"); 3514 } 3515 } 3516 } 3517 }); 3518 } 3519 3520 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3521 synchronized (mInstallLock) { 3522 try { 3523 mInstaller.freeCache(volumeUuid, freeStorageSize); 3524 } catch (InstallerException e) { 3525 throw new IOException("Failed to free enough space", e); 3526 } 3527 } 3528 } 3529 3530 /** 3531 * Update given flags based on encryption status of current user. 3532 */ 3533 private int updateFlags(int flags, int userId) { 3534 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3535 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3536 // Caller expressed an explicit opinion about what encryption 3537 // aware/unaware components they want to see, so fall through and 3538 // give them what they want 3539 } else { 3540 // Caller expressed no opinion, so match based on user state 3541 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3542 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3543 } else { 3544 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3545 } 3546 } 3547 return flags; 3548 } 3549 3550 private UserManagerInternal getUserManagerInternal() { 3551 if (mUserManagerInternal == null) { 3552 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3553 } 3554 return mUserManagerInternal; 3555 } 3556 3557 /** 3558 * Update given flags when being used to request {@link PackageInfo}. 3559 */ 3560 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3561 boolean triaged = true; 3562 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3563 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3564 // Caller is asking for component details, so they'd better be 3565 // asking for specific encryption matching behavior, or be triaged 3566 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3567 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3568 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3569 triaged = false; 3570 } 3571 } 3572 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3573 | PackageManager.MATCH_SYSTEM_ONLY 3574 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3575 triaged = false; 3576 } 3577 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3578 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3579 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3580 } 3581 return updateFlags(flags, userId); 3582 } 3583 3584 /** 3585 * Update given flags when being used to request {@link ApplicationInfo}. 3586 */ 3587 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3588 return updateFlagsForPackage(flags, userId, cookie); 3589 } 3590 3591 /** 3592 * Update given flags when being used to request {@link ComponentInfo}. 3593 */ 3594 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3595 if (cookie instanceof Intent) { 3596 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3597 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3598 } 3599 } 3600 3601 boolean triaged = true; 3602 // Caller is asking for component details, so they'd better be 3603 // asking for specific encryption matching behavior, or be triaged 3604 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3605 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3606 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3607 triaged = false; 3608 } 3609 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3610 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3611 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3612 } 3613 3614 return updateFlags(flags, userId); 3615 } 3616 3617 /** 3618 * Update given flags when being used to request {@link ResolveInfo}. 3619 */ 3620 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3621 // Safe mode means we shouldn't match any third-party components 3622 if (mSafeMode) { 3623 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3624 } 3625 3626 return updateFlagsForComponent(flags, userId, cookie); 3627 } 3628 3629 @Override 3630 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3631 if (!sUserManager.exists(userId)) return null; 3632 flags = updateFlagsForComponent(flags, userId, component); 3633 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3634 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3635 synchronized (mPackages) { 3636 PackageParser.Activity a = mActivities.mActivities.get(component); 3637 3638 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3639 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3640 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3641 if (ps == null) return null; 3642 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3643 userId); 3644 } 3645 if (mResolveComponentName.equals(component)) { 3646 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3647 new PackageUserState(), userId); 3648 } 3649 } 3650 return null; 3651 } 3652 3653 @Override 3654 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3655 String resolvedType) { 3656 synchronized (mPackages) { 3657 if (component.equals(mResolveComponentName)) { 3658 // The resolver supports EVERYTHING! 3659 return true; 3660 } 3661 PackageParser.Activity a = mActivities.mActivities.get(component); 3662 if (a == null) { 3663 return false; 3664 } 3665 for (int i=0; i<a.intents.size(); i++) { 3666 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3667 intent.getData(), intent.getCategories(), TAG) >= 0) { 3668 return true; 3669 } 3670 } 3671 return false; 3672 } 3673 } 3674 3675 @Override 3676 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3677 if (!sUserManager.exists(userId)) return null; 3678 flags = updateFlagsForComponent(flags, userId, component); 3679 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3680 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3681 synchronized (mPackages) { 3682 PackageParser.Activity a = mReceivers.mActivities.get(component); 3683 if (DEBUG_PACKAGE_INFO) Log.v( 3684 TAG, "getReceiverInfo " + component + ": " + a); 3685 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3686 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3687 if (ps == null) return null; 3688 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3689 userId); 3690 } 3691 } 3692 return null; 3693 } 3694 3695 @Override 3696 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3697 if (!sUserManager.exists(userId)) return null; 3698 flags = updateFlagsForComponent(flags, userId, component); 3699 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3700 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3701 synchronized (mPackages) { 3702 PackageParser.Service s = mServices.mServices.get(component); 3703 if (DEBUG_PACKAGE_INFO) Log.v( 3704 TAG, "getServiceInfo " + component + ": " + s); 3705 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3706 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3707 if (ps == null) return null; 3708 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3709 userId); 3710 } 3711 } 3712 return null; 3713 } 3714 3715 @Override 3716 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3717 if (!sUserManager.exists(userId)) return null; 3718 flags = updateFlagsForComponent(flags, userId, component); 3719 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3720 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3721 synchronized (mPackages) { 3722 PackageParser.Provider p = mProviders.mProviders.get(component); 3723 if (DEBUG_PACKAGE_INFO) Log.v( 3724 TAG, "getProviderInfo " + component + ": " + p); 3725 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3726 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3727 if (ps == null) return null; 3728 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3729 userId); 3730 } 3731 } 3732 return null; 3733 } 3734 3735 @Override 3736 public String[] getSystemSharedLibraryNames() { 3737 Set<String> libSet; 3738 synchronized (mPackages) { 3739 libSet = mSharedLibraries.keySet(); 3740 int size = libSet.size(); 3741 if (size > 0) { 3742 String[] libs = new String[size]; 3743 libSet.toArray(libs); 3744 return libs; 3745 } 3746 } 3747 return null; 3748 } 3749 3750 @Override 3751 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3752 synchronized (mPackages) { 3753 return mServicesSystemSharedLibraryPackageName; 3754 } 3755 } 3756 3757 @Override 3758 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3759 synchronized (mPackages) { 3760 return mSharedSystemSharedLibraryPackageName; 3761 } 3762 } 3763 3764 @Override 3765 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3766 synchronized (mPackages) { 3767 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3768 3769 final FeatureInfo fi = new FeatureInfo(); 3770 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3771 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3772 res.add(fi); 3773 3774 return new ParceledListSlice<>(res); 3775 } 3776 } 3777 3778 @Override 3779 public boolean hasSystemFeature(String name, int version) { 3780 synchronized (mPackages) { 3781 final FeatureInfo feat = mAvailableFeatures.get(name); 3782 if (feat == null) { 3783 return false; 3784 } else { 3785 return feat.version >= version; 3786 } 3787 } 3788 } 3789 3790 @Override 3791 public int checkPermission(String permName, String pkgName, int userId) { 3792 if (!sUserManager.exists(userId)) { 3793 return PackageManager.PERMISSION_DENIED; 3794 } 3795 3796 synchronized (mPackages) { 3797 final PackageParser.Package p = mPackages.get(pkgName); 3798 if (p != null && p.mExtras != null) { 3799 final PackageSetting ps = (PackageSetting) p.mExtras; 3800 final PermissionsState permissionsState = ps.getPermissionsState(); 3801 if (permissionsState.hasPermission(permName, userId)) { 3802 return PackageManager.PERMISSION_GRANTED; 3803 } 3804 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3805 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3806 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3807 return PackageManager.PERMISSION_GRANTED; 3808 } 3809 } 3810 } 3811 3812 return PackageManager.PERMISSION_DENIED; 3813 } 3814 3815 @Override 3816 public int checkUidPermission(String permName, int uid) { 3817 final int userId = UserHandle.getUserId(uid); 3818 3819 if (!sUserManager.exists(userId)) { 3820 return PackageManager.PERMISSION_DENIED; 3821 } 3822 3823 synchronized (mPackages) { 3824 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3825 if (obj != null) { 3826 final SettingBase ps = (SettingBase) obj; 3827 final PermissionsState permissionsState = ps.getPermissionsState(); 3828 if (permissionsState.hasPermission(permName, userId)) { 3829 return PackageManager.PERMISSION_GRANTED; 3830 } 3831 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3832 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3833 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3834 return PackageManager.PERMISSION_GRANTED; 3835 } 3836 } else { 3837 ArraySet<String> perms = mSystemPermissions.get(uid); 3838 if (perms != null) { 3839 if (perms.contains(permName)) { 3840 return PackageManager.PERMISSION_GRANTED; 3841 } 3842 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3843 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3844 return PackageManager.PERMISSION_GRANTED; 3845 } 3846 } 3847 } 3848 } 3849 3850 return PackageManager.PERMISSION_DENIED; 3851 } 3852 3853 @Override 3854 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3855 if (UserHandle.getCallingUserId() != userId) { 3856 mContext.enforceCallingPermission( 3857 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3858 "isPermissionRevokedByPolicy for user " + userId); 3859 } 3860 3861 if (checkPermission(permission, packageName, userId) 3862 == PackageManager.PERMISSION_GRANTED) { 3863 return false; 3864 } 3865 3866 final long identity = Binder.clearCallingIdentity(); 3867 try { 3868 final int flags = getPermissionFlags(permission, packageName, userId); 3869 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3870 } finally { 3871 Binder.restoreCallingIdentity(identity); 3872 } 3873 } 3874 3875 @Override 3876 public String getPermissionControllerPackageName() { 3877 synchronized (mPackages) { 3878 return mRequiredInstallerPackage; 3879 } 3880 } 3881 3882 /** 3883 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3884 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3885 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3886 * @param message the message to log on security exception 3887 */ 3888 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3889 boolean checkShell, String message) { 3890 if (userId < 0) { 3891 throw new IllegalArgumentException("Invalid userId " + userId); 3892 } 3893 if (checkShell) { 3894 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3895 } 3896 if (userId == UserHandle.getUserId(callingUid)) return; 3897 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3898 if (requireFullPermission) { 3899 mContext.enforceCallingOrSelfPermission( 3900 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3901 } else { 3902 try { 3903 mContext.enforceCallingOrSelfPermission( 3904 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3905 } catch (SecurityException se) { 3906 mContext.enforceCallingOrSelfPermission( 3907 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3908 } 3909 } 3910 } 3911 } 3912 3913 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3914 if (callingUid == Process.SHELL_UID) { 3915 if (userHandle >= 0 3916 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3917 throw new SecurityException("Shell does not have permission to access user " 3918 + userHandle); 3919 } else if (userHandle < 0) { 3920 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3921 + Debug.getCallers(3)); 3922 } 3923 } 3924 } 3925 3926 private BasePermission findPermissionTreeLP(String permName) { 3927 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3928 if (permName.startsWith(bp.name) && 3929 permName.length() > bp.name.length() && 3930 permName.charAt(bp.name.length()) == '.') { 3931 return bp; 3932 } 3933 } 3934 return null; 3935 } 3936 3937 private BasePermission checkPermissionTreeLP(String permName) { 3938 if (permName != null) { 3939 BasePermission bp = findPermissionTreeLP(permName); 3940 if (bp != null) { 3941 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3942 return bp; 3943 } 3944 throw new SecurityException("Calling uid " 3945 + Binder.getCallingUid() 3946 + " is not allowed to add to permission tree " 3947 + bp.name + " owned by uid " + bp.uid); 3948 } 3949 } 3950 throw new SecurityException("No permission tree found for " + permName); 3951 } 3952 3953 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3954 if (s1 == null) { 3955 return s2 == null; 3956 } 3957 if (s2 == null) { 3958 return false; 3959 } 3960 if (s1.getClass() != s2.getClass()) { 3961 return false; 3962 } 3963 return s1.equals(s2); 3964 } 3965 3966 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3967 if (pi1.icon != pi2.icon) return false; 3968 if (pi1.logo != pi2.logo) return false; 3969 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3970 if (!compareStrings(pi1.name, pi2.name)) return false; 3971 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3972 // We'll take care of setting this one. 3973 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3974 // These are not currently stored in settings. 3975 //if (!compareStrings(pi1.group, pi2.group)) return false; 3976 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3977 //if (pi1.labelRes != pi2.labelRes) return false; 3978 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3979 return true; 3980 } 3981 3982 int permissionInfoFootprint(PermissionInfo info) { 3983 int size = info.name.length(); 3984 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3985 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3986 return size; 3987 } 3988 3989 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3990 int size = 0; 3991 for (BasePermission perm : mSettings.mPermissions.values()) { 3992 if (perm.uid == tree.uid) { 3993 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3994 } 3995 } 3996 return size; 3997 } 3998 3999 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4000 // We calculate the max size of permissions defined by this uid and throw 4001 // if that plus the size of 'info' would exceed our stated maximum. 4002 if (tree.uid != Process.SYSTEM_UID) { 4003 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4004 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4005 throw new SecurityException("Permission tree size cap exceeded"); 4006 } 4007 } 4008 } 4009 4010 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4011 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4012 throw new SecurityException("Label must be specified in permission"); 4013 } 4014 BasePermission tree = checkPermissionTreeLP(info.name); 4015 BasePermission bp = mSettings.mPermissions.get(info.name); 4016 boolean added = bp == null; 4017 boolean changed = true; 4018 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4019 if (added) { 4020 enforcePermissionCapLocked(info, tree); 4021 bp = new BasePermission(info.name, tree.sourcePackage, 4022 BasePermission.TYPE_DYNAMIC); 4023 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4024 throw new SecurityException( 4025 "Not allowed to modify non-dynamic permission " 4026 + info.name); 4027 } else { 4028 if (bp.protectionLevel == fixedLevel 4029 && bp.perm.owner.equals(tree.perm.owner) 4030 && bp.uid == tree.uid 4031 && comparePermissionInfos(bp.perm.info, info)) { 4032 changed = false; 4033 } 4034 } 4035 bp.protectionLevel = fixedLevel; 4036 info = new PermissionInfo(info); 4037 info.protectionLevel = fixedLevel; 4038 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4039 bp.perm.info.packageName = tree.perm.info.packageName; 4040 bp.uid = tree.uid; 4041 if (added) { 4042 mSettings.mPermissions.put(info.name, bp); 4043 } 4044 if (changed) { 4045 if (!async) { 4046 mSettings.writeLPr(); 4047 } else { 4048 scheduleWriteSettingsLocked(); 4049 } 4050 } 4051 return added; 4052 } 4053 4054 @Override 4055 public boolean addPermission(PermissionInfo info) { 4056 synchronized (mPackages) { 4057 return addPermissionLocked(info, false); 4058 } 4059 } 4060 4061 @Override 4062 public boolean addPermissionAsync(PermissionInfo info) { 4063 synchronized (mPackages) { 4064 return addPermissionLocked(info, true); 4065 } 4066 } 4067 4068 @Override 4069 public void removePermission(String name) { 4070 synchronized (mPackages) { 4071 checkPermissionTreeLP(name); 4072 BasePermission bp = mSettings.mPermissions.get(name); 4073 if (bp != null) { 4074 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4075 throw new SecurityException( 4076 "Not allowed to modify non-dynamic permission " 4077 + name); 4078 } 4079 mSettings.mPermissions.remove(name); 4080 mSettings.writeLPr(); 4081 } 4082 } 4083 } 4084 4085 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4086 BasePermission bp) { 4087 int index = pkg.requestedPermissions.indexOf(bp.name); 4088 if (index == -1) { 4089 throw new SecurityException("Package " + pkg.packageName 4090 + " has not requested permission " + bp.name); 4091 } 4092 if (!bp.isRuntime() && !bp.isDevelopment()) { 4093 throw new SecurityException("Permission " + bp.name 4094 + " is not a changeable permission type"); 4095 } 4096 } 4097 4098 @Override 4099 public void grantRuntimePermission(String packageName, String name, final int userId) { 4100 if (!sUserManager.exists(userId)) { 4101 Log.e(TAG, "No such user:" + userId); 4102 return; 4103 } 4104 4105 mContext.enforceCallingOrSelfPermission( 4106 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4107 "grantRuntimePermission"); 4108 4109 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4110 true /* requireFullPermission */, true /* checkShell */, 4111 "grantRuntimePermission"); 4112 4113 final int uid; 4114 final SettingBase sb; 4115 4116 synchronized (mPackages) { 4117 final PackageParser.Package pkg = mPackages.get(packageName); 4118 if (pkg == null) { 4119 throw new IllegalArgumentException("Unknown package: " + packageName); 4120 } 4121 4122 final BasePermission bp = mSettings.mPermissions.get(name); 4123 if (bp == null) { 4124 throw new IllegalArgumentException("Unknown permission: " + name); 4125 } 4126 4127 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4128 4129 // If a permission review is required for legacy apps we represent 4130 // their permissions as always granted runtime ones since we need 4131 // to keep the review required permission flag per user while an 4132 // install permission's state is shared across all users. 4133 if (Build.PERMISSIONS_REVIEW_REQUIRED 4134 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4135 && bp.isRuntime()) { 4136 return; 4137 } 4138 4139 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4140 sb = (SettingBase) pkg.mExtras; 4141 if (sb == null) { 4142 throw new IllegalArgumentException("Unknown package: " + packageName); 4143 } 4144 4145 final PermissionsState permissionsState = sb.getPermissionsState(); 4146 4147 final int flags = permissionsState.getPermissionFlags(name, userId); 4148 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4149 throw new SecurityException("Cannot grant system fixed permission " 4150 + name + " for package " + packageName); 4151 } 4152 4153 if (bp.isDevelopment()) { 4154 // Development permissions must be handled specially, since they are not 4155 // normal runtime permissions. For now they apply to all users. 4156 if (permissionsState.grantInstallPermission(bp) != 4157 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4158 scheduleWriteSettingsLocked(); 4159 } 4160 return; 4161 } 4162 4163 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4164 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4165 return; 4166 } 4167 4168 final int result = permissionsState.grantRuntimePermission(bp, userId); 4169 switch (result) { 4170 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4171 return; 4172 } 4173 4174 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4175 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4176 mHandler.post(new Runnable() { 4177 @Override 4178 public void run() { 4179 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4180 } 4181 }); 4182 } 4183 break; 4184 } 4185 4186 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4187 4188 // Not critical if that is lost - app has to request again. 4189 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4190 } 4191 4192 // Only need to do this if user is initialized. Otherwise it's a new user 4193 // and there are no processes running as the user yet and there's no need 4194 // to make an expensive call to remount processes for the changed permissions. 4195 if (READ_EXTERNAL_STORAGE.equals(name) 4196 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4197 final long token = Binder.clearCallingIdentity(); 4198 try { 4199 if (sUserManager.isInitialized(userId)) { 4200 MountServiceInternal mountServiceInternal = LocalServices.getService( 4201 MountServiceInternal.class); 4202 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4203 } 4204 } finally { 4205 Binder.restoreCallingIdentity(token); 4206 } 4207 } 4208 } 4209 4210 @Override 4211 public void revokeRuntimePermission(String packageName, String name, int userId) { 4212 if (!sUserManager.exists(userId)) { 4213 Log.e(TAG, "No such user:" + userId); 4214 return; 4215 } 4216 4217 mContext.enforceCallingOrSelfPermission( 4218 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4219 "revokeRuntimePermission"); 4220 4221 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4222 true /* requireFullPermission */, true /* checkShell */, 4223 "revokeRuntimePermission"); 4224 4225 final int appId; 4226 4227 synchronized (mPackages) { 4228 final PackageParser.Package pkg = mPackages.get(packageName); 4229 if (pkg == null) { 4230 throw new IllegalArgumentException("Unknown package: " + packageName); 4231 } 4232 4233 final BasePermission bp = mSettings.mPermissions.get(name); 4234 if (bp == null) { 4235 throw new IllegalArgumentException("Unknown permission: " + name); 4236 } 4237 4238 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4239 4240 // If a permission review is required for legacy apps we represent 4241 // their permissions as always granted runtime ones since we need 4242 // to keep the review required permission flag per user while an 4243 // install permission's state is shared across all users. 4244 if (Build.PERMISSIONS_REVIEW_REQUIRED 4245 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4246 && bp.isRuntime()) { 4247 return; 4248 } 4249 4250 SettingBase sb = (SettingBase) pkg.mExtras; 4251 if (sb == null) { 4252 throw new IllegalArgumentException("Unknown package: " + packageName); 4253 } 4254 4255 final PermissionsState permissionsState = sb.getPermissionsState(); 4256 4257 final int flags = permissionsState.getPermissionFlags(name, userId); 4258 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4259 throw new SecurityException("Cannot revoke system fixed permission " 4260 + name + " for package " + packageName); 4261 } 4262 4263 if (bp.isDevelopment()) { 4264 // Development permissions must be handled specially, since they are not 4265 // normal runtime permissions. For now they apply to all users. 4266 if (permissionsState.revokeInstallPermission(bp) != 4267 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4268 scheduleWriteSettingsLocked(); 4269 } 4270 return; 4271 } 4272 4273 if (permissionsState.revokeRuntimePermission(bp, userId) == 4274 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4275 return; 4276 } 4277 4278 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4279 4280 // Critical, after this call app should never have the permission. 4281 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4282 4283 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4284 } 4285 4286 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4287 } 4288 4289 @Override 4290 public void resetRuntimePermissions() { 4291 mContext.enforceCallingOrSelfPermission( 4292 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4293 "revokeRuntimePermission"); 4294 4295 int callingUid = Binder.getCallingUid(); 4296 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4297 mContext.enforceCallingOrSelfPermission( 4298 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4299 "resetRuntimePermissions"); 4300 } 4301 4302 synchronized (mPackages) { 4303 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4304 for (int userId : UserManagerService.getInstance().getUserIds()) { 4305 final int packageCount = mPackages.size(); 4306 for (int i = 0; i < packageCount; i++) { 4307 PackageParser.Package pkg = mPackages.valueAt(i); 4308 if (!(pkg.mExtras instanceof PackageSetting)) { 4309 continue; 4310 } 4311 PackageSetting ps = (PackageSetting) pkg.mExtras; 4312 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4313 } 4314 } 4315 } 4316 } 4317 4318 @Override 4319 public int getPermissionFlags(String name, String packageName, int userId) { 4320 if (!sUserManager.exists(userId)) { 4321 return 0; 4322 } 4323 4324 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4325 4326 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4327 true /* requireFullPermission */, false /* checkShell */, 4328 "getPermissionFlags"); 4329 4330 synchronized (mPackages) { 4331 final PackageParser.Package pkg = mPackages.get(packageName); 4332 if (pkg == null) { 4333 return 0; 4334 } 4335 4336 final BasePermission bp = mSettings.mPermissions.get(name); 4337 if (bp == null) { 4338 return 0; 4339 } 4340 4341 SettingBase sb = (SettingBase) pkg.mExtras; 4342 if (sb == null) { 4343 return 0; 4344 } 4345 4346 PermissionsState permissionsState = sb.getPermissionsState(); 4347 return permissionsState.getPermissionFlags(name, userId); 4348 } 4349 } 4350 4351 @Override 4352 public void updatePermissionFlags(String name, String packageName, int flagMask, 4353 int flagValues, int userId) { 4354 if (!sUserManager.exists(userId)) { 4355 return; 4356 } 4357 4358 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4359 4360 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4361 true /* requireFullPermission */, true /* checkShell */, 4362 "updatePermissionFlags"); 4363 4364 // Only the system can change these flags and nothing else. 4365 if (getCallingUid() != Process.SYSTEM_UID) { 4366 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4367 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4368 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4369 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4370 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4371 } 4372 4373 synchronized (mPackages) { 4374 final PackageParser.Package pkg = mPackages.get(packageName); 4375 if (pkg == null) { 4376 throw new IllegalArgumentException("Unknown package: " + packageName); 4377 } 4378 4379 final BasePermission bp = mSettings.mPermissions.get(name); 4380 if (bp == null) { 4381 throw new IllegalArgumentException("Unknown permission: " + name); 4382 } 4383 4384 SettingBase sb = (SettingBase) pkg.mExtras; 4385 if (sb == null) { 4386 throw new IllegalArgumentException("Unknown package: " + packageName); 4387 } 4388 4389 PermissionsState permissionsState = sb.getPermissionsState(); 4390 4391 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4392 4393 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4394 // Install and runtime permissions are stored in different places, 4395 // so figure out what permission changed and persist the change. 4396 if (permissionsState.getInstallPermissionState(name) != null) { 4397 scheduleWriteSettingsLocked(); 4398 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4399 || hadState) { 4400 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4401 } 4402 } 4403 } 4404 } 4405 4406 /** 4407 * Update the permission flags for all packages and runtime permissions of a user in order 4408 * to allow device or profile owner to remove POLICY_FIXED. 4409 */ 4410 @Override 4411 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4412 if (!sUserManager.exists(userId)) { 4413 return; 4414 } 4415 4416 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4417 4418 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4419 true /* requireFullPermission */, true /* checkShell */, 4420 "updatePermissionFlagsForAllApps"); 4421 4422 // Only the system can change system fixed flags. 4423 if (getCallingUid() != Process.SYSTEM_UID) { 4424 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4425 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4426 } 4427 4428 synchronized (mPackages) { 4429 boolean changed = false; 4430 final int packageCount = mPackages.size(); 4431 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4432 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4433 SettingBase sb = (SettingBase) pkg.mExtras; 4434 if (sb == null) { 4435 continue; 4436 } 4437 PermissionsState permissionsState = sb.getPermissionsState(); 4438 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4439 userId, flagMask, flagValues); 4440 } 4441 if (changed) { 4442 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4443 } 4444 } 4445 } 4446 4447 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4448 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4449 != PackageManager.PERMISSION_GRANTED 4450 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4451 != PackageManager.PERMISSION_GRANTED) { 4452 throw new SecurityException(message + " requires " 4453 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4454 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4455 } 4456 } 4457 4458 @Override 4459 public boolean shouldShowRequestPermissionRationale(String permissionName, 4460 String packageName, int userId) { 4461 if (UserHandle.getCallingUserId() != userId) { 4462 mContext.enforceCallingPermission( 4463 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4464 "canShowRequestPermissionRationale for user " + userId); 4465 } 4466 4467 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4468 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4469 return false; 4470 } 4471 4472 if (checkPermission(permissionName, packageName, userId) 4473 == PackageManager.PERMISSION_GRANTED) { 4474 return false; 4475 } 4476 4477 final int flags; 4478 4479 final long identity = Binder.clearCallingIdentity(); 4480 try { 4481 flags = getPermissionFlags(permissionName, 4482 packageName, userId); 4483 } finally { 4484 Binder.restoreCallingIdentity(identity); 4485 } 4486 4487 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4488 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4489 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4490 4491 if ((flags & fixedFlags) != 0) { 4492 return false; 4493 } 4494 4495 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4496 } 4497 4498 @Override 4499 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4500 mContext.enforceCallingOrSelfPermission( 4501 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4502 "addOnPermissionsChangeListener"); 4503 4504 synchronized (mPackages) { 4505 mOnPermissionChangeListeners.addListenerLocked(listener); 4506 } 4507 } 4508 4509 @Override 4510 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4511 synchronized (mPackages) { 4512 mOnPermissionChangeListeners.removeListenerLocked(listener); 4513 } 4514 } 4515 4516 @Override 4517 public boolean isProtectedBroadcast(String actionName) { 4518 synchronized (mPackages) { 4519 if (mProtectedBroadcasts.contains(actionName)) { 4520 return true; 4521 } else if (actionName != null) { 4522 // TODO: remove these terrible hacks 4523 if (actionName.startsWith("android.net.netmon.lingerExpired") 4524 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4525 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4526 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4527 return true; 4528 } 4529 } 4530 } 4531 return false; 4532 } 4533 4534 @Override 4535 public int checkSignatures(String pkg1, String pkg2) { 4536 synchronized (mPackages) { 4537 final PackageParser.Package p1 = mPackages.get(pkg1); 4538 final PackageParser.Package p2 = mPackages.get(pkg2); 4539 if (p1 == null || p1.mExtras == null 4540 || p2 == null || p2.mExtras == null) { 4541 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4542 } 4543 return compareSignatures(p1.mSignatures, p2.mSignatures); 4544 } 4545 } 4546 4547 @Override 4548 public int checkUidSignatures(int uid1, int uid2) { 4549 // Map to base uids. 4550 uid1 = UserHandle.getAppId(uid1); 4551 uid2 = UserHandle.getAppId(uid2); 4552 // reader 4553 synchronized (mPackages) { 4554 Signature[] s1; 4555 Signature[] s2; 4556 Object obj = mSettings.getUserIdLPr(uid1); 4557 if (obj != null) { 4558 if (obj instanceof SharedUserSetting) { 4559 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4560 } else if (obj instanceof PackageSetting) { 4561 s1 = ((PackageSetting)obj).signatures.mSignatures; 4562 } else { 4563 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4564 } 4565 } else { 4566 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4567 } 4568 obj = mSettings.getUserIdLPr(uid2); 4569 if (obj != null) { 4570 if (obj instanceof SharedUserSetting) { 4571 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4572 } else if (obj instanceof PackageSetting) { 4573 s2 = ((PackageSetting)obj).signatures.mSignatures; 4574 } else { 4575 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4576 } 4577 } else { 4578 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4579 } 4580 return compareSignatures(s1, s2); 4581 } 4582 } 4583 4584 /** 4585 * This method should typically only be used when granting or revoking 4586 * permissions, since the app may immediately restart after this call. 4587 * <p> 4588 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4589 * guard your work against the app being relaunched. 4590 */ 4591 private void killUid(int appId, int userId, String reason) { 4592 final long identity = Binder.clearCallingIdentity(); 4593 try { 4594 IActivityManager am = ActivityManagerNative.getDefault(); 4595 if (am != null) { 4596 try { 4597 am.killUid(appId, userId, reason); 4598 } catch (RemoteException e) { 4599 /* ignore - same process */ 4600 } 4601 } 4602 } finally { 4603 Binder.restoreCallingIdentity(identity); 4604 } 4605 } 4606 4607 /** 4608 * Compares two sets of signatures. Returns: 4609 * <br /> 4610 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4611 * <br /> 4612 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4613 * <br /> 4614 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4615 * <br /> 4616 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4617 * <br /> 4618 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4619 */ 4620 static int compareSignatures(Signature[] s1, Signature[] s2) { 4621 if (s1 == null) { 4622 return s2 == null 4623 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4624 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4625 } 4626 4627 if (s2 == null) { 4628 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4629 } 4630 4631 if (s1.length != s2.length) { 4632 return PackageManager.SIGNATURE_NO_MATCH; 4633 } 4634 4635 // Since both signature sets are of size 1, we can compare without HashSets. 4636 if (s1.length == 1) { 4637 return s1[0].equals(s2[0]) ? 4638 PackageManager.SIGNATURE_MATCH : 4639 PackageManager.SIGNATURE_NO_MATCH; 4640 } 4641 4642 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4643 for (Signature sig : s1) { 4644 set1.add(sig); 4645 } 4646 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4647 for (Signature sig : s2) { 4648 set2.add(sig); 4649 } 4650 // Make sure s2 contains all signatures in s1. 4651 if (set1.equals(set2)) { 4652 return PackageManager.SIGNATURE_MATCH; 4653 } 4654 return PackageManager.SIGNATURE_NO_MATCH; 4655 } 4656 4657 /** 4658 * If the database version for this type of package (internal storage or 4659 * external storage) is less than the version where package signatures 4660 * were updated, return true. 4661 */ 4662 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4663 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4664 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4665 } 4666 4667 /** 4668 * Used for backward compatibility to make sure any packages with 4669 * certificate chains get upgraded to the new style. {@code existingSigs} 4670 * will be in the old format (since they were stored on disk from before the 4671 * system upgrade) and {@code scannedSigs} will be in the newer format. 4672 */ 4673 private int compareSignaturesCompat(PackageSignatures existingSigs, 4674 PackageParser.Package scannedPkg) { 4675 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4676 return PackageManager.SIGNATURE_NO_MATCH; 4677 } 4678 4679 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4680 for (Signature sig : existingSigs.mSignatures) { 4681 existingSet.add(sig); 4682 } 4683 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4684 for (Signature sig : scannedPkg.mSignatures) { 4685 try { 4686 Signature[] chainSignatures = sig.getChainSignatures(); 4687 for (Signature chainSig : chainSignatures) { 4688 scannedCompatSet.add(chainSig); 4689 } 4690 } catch (CertificateEncodingException e) { 4691 scannedCompatSet.add(sig); 4692 } 4693 } 4694 /* 4695 * Make sure the expanded scanned set contains all signatures in the 4696 * existing one. 4697 */ 4698 if (scannedCompatSet.equals(existingSet)) { 4699 // Migrate the old signatures to the new scheme. 4700 existingSigs.assignSignatures(scannedPkg.mSignatures); 4701 // The new KeySets will be re-added later in the scanning process. 4702 synchronized (mPackages) { 4703 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4704 } 4705 return PackageManager.SIGNATURE_MATCH; 4706 } 4707 return PackageManager.SIGNATURE_NO_MATCH; 4708 } 4709 4710 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4711 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4712 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4713 } 4714 4715 private int compareSignaturesRecover(PackageSignatures existingSigs, 4716 PackageParser.Package scannedPkg) { 4717 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4718 return PackageManager.SIGNATURE_NO_MATCH; 4719 } 4720 4721 String msg = null; 4722 try { 4723 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4724 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4725 + scannedPkg.packageName); 4726 return PackageManager.SIGNATURE_MATCH; 4727 } 4728 } catch (CertificateException e) { 4729 msg = e.getMessage(); 4730 } 4731 4732 logCriticalInfo(Log.INFO, 4733 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4734 return PackageManager.SIGNATURE_NO_MATCH; 4735 } 4736 4737 @Override 4738 public List<String> getAllPackages() { 4739 synchronized (mPackages) { 4740 return new ArrayList<String>(mPackages.keySet()); 4741 } 4742 } 4743 4744 @Override 4745 public String[] getPackagesForUid(int uid) { 4746 uid = UserHandle.getAppId(uid); 4747 // reader 4748 synchronized (mPackages) { 4749 Object obj = mSettings.getUserIdLPr(uid); 4750 if (obj instanceof SharedUserSetting) { 4751 final SharedUserSetting sus = (SharedUserSetting) obj; 4752 final int N = sus.packages.size(); 4753 final String[] res = new String[N]; 4754 final Iterator<PackageSetting> it = sus.packages.iterator(); 4755 int i = 0; 4756 while (it.hasNext()) { 4757 res[i++] = it.next().name; 4758 } 4759 return res; 4760 } else if (obj instanceof PackageSetting) { 4761 final PackageSetting ps = (PackageSetting) obj; 4762 return new String[] { ps.name }; 4763 } 4764 } 4765 return null; 4766 } 4767 4768 @Override 4769 public String getNameForUid(int uid) { 4770 // reader 4771 synchronized (mPackages) { 4772 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4773 if (obj instanceof SharedUserSetting) { 4774 final SharedUserSetting sus = (SharedUserSetting) obj; 4775 return sus.name + ":" + sus.userId; 4776 } else if (obj instanceof PackageSetting) { 4777 final PackageSetting ps = (PackageSetting) obj; 4778 return ps.name; 4779 } 4780 } 4781 return null; 4782 } 4783 4784 @Override 4785 public int getUidForSharedUser(String sharedUserName) { 4786 if(sharedUserName == null) { 4787 return -1; 4788 } 4789 // reader 4790 synchronized (mPackages) { 4791 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4792 if (suid == null) { 4793 return -1; 4794 } 4795 return suid.userId; 4796 } 4797 } 4798 4799 @Override 4800 public int getFlagsForUid(int uid) { 4801 synchronized (mPackages) { 4802 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4803 if (obj instanceof SharedUserSetting) { 4804 final SharedUserSetting sus = (SharedUserSetting) obj; 4805 return sus.pkgFlags; 4806 } else if (obj instanceof PackageSetting) { 4807 final PackageSetting ps = (PackageSetting) obj; 4808 return ps.pkgFlags; 4809 } 4810 } 4811 return 0; 4812 } 4813 4814 @Override 4815 public int getPrivateFlagsForUid(int uid) { 4816 synchronized (mPackages) { 4817 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4818 if (obj instanceof SharedUserSetting) { 4819 final SharedUserSetting sus = (SharedUserSetting) obj; 4820 return sus.pkgPrivateFlags; 4821 } else if (obj instanceof PackageSetting) { 4822 final PackageSetting ps = (PackageSetting) obj; 4823 return ps.pkgPrivateFlags; 4824 } 4825 } 4826 return 0; 4827 } 4828 4829 @Override 4830 public boolean isUidPrivileged(int uid) { 4831 uid = UserHandle.getAppId(uid); 4832 // reader 4833 synchronized (mPackages) { 4834 Object obj = mSettings.getUserIdLPr(uid); 4835 if (obj instanceof SharedUserSetting) { 4836 final SharedUserSetting sus = (SharedUserSetting) obj; 4837 final Iterator<PackageSetting> it = sus.packages.iterator(); 4838 while (it.hasNext()) { 4839 if (it.next().isPrivileged()) { 4840 return true; 4841 } 4842 } 4843 } else if (obj instanceof PackageSetting) { 4844 final PackageSetting ps = (PackageSetting) obj; 4845 return ps.isPrivileged(); 4846 } 4847 } 4848 return false; 4849 } 4850 4851 @Override 4852 public String[] getAppOpPermissionPackages(String permissionName) { 4853 synchronized (mPackages) { 4854 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4855 if (pkgs == null) { 4856 return null; 4857 } 4858 return pkgs.toArray(new String[pkgs.size()]); 4859 } 4860 } 4861 4862 @Override 4863 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4864 int flags, int userId) { 4865 try { 4866 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4867 4868 if (!sUserManager.exists(userId)) return null; 4869 flags = updateFlagsForResolve(flags, userId, intent); 4870 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4871 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4872 4873 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4874 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4875 flags, userId); 4876 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4877 4878 final ResolveInfo bestChoice = 4879 chooseBestActivity(intent, resolvedType, flags, query, userId); 4880 4881 if (isEphemeralAllowed(intent, query, userId)) { 4882 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4883 final EphemeralResolveInfo ai = 4884 getEphemeralResolveInfo(intent, resolvedType, userId); 4885 if (ai != null) { 4886 if (DEBUG_EPHEMERAL) { 4887 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4888 } 4889 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4890 bestChoice.ephemeralResolveInfo = ai; 4891 } 4892 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4893 } 4894 return bestChoice; 4895 } finally { 4896 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4897 } 4898 } 4899 4900 @Override 4901 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4902 IntentFilter filter, int match, ComponentName activity) { 4903 final int userId = UserHandle.getCallingUserId(); 4904 if (DEBUG_PREFERRED) { 4905 Log.v(TAG, "setLastChosenActivity intent=" + intent 4906 + " resolvedType=" + resolvedType 4907 + " flags=" + flags 4908 + " filter=" + filter 4909 + " match=" + match 4910 + " activity=" + activity); 4911 filter.dump(new PrintStreamPrinter(System.out), " "); 4912 } 4913 intent.setComponent(null); 4914 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4915 userId); 4916 // Find any earlier preferred or last chosen entries and nuke them 4917 findPreferredActivity(intent, resolvedType, 4918 flags, query, 0, false, true, false, userId); 4919 // Add the new activity as the last chosen for this filter 4920 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4921 "Setting last chosen"); 4922 } 4923 4924 @Override 4925 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4926 final int userId = UserHandle.getCallingUserId(); 4927 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4928 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4929 userId); 4930 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4931 false, false, false, userId); 4932 } 4933 4934 4935 private boolean isEphemeralAllowed( 4936 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4937 // Short circuit and return early if possible. 4938 if (DISABLE_EPHEMERAL_APPS) { 4939 return false; 4940 } 4941 final int callingUser = UserHandle.getCallingUserId(); 4942 if (callingUser != UserHandle.USER_SYSTEM) { 4943 return false; 4944 } 4945 if (mEphemeralResolverConnection == null) { 4946 return false; 4947 } 4948 if (intent.getComponent() != null) { 4949 return false; 4950 } 4951 if (intent.getPackage() != null) { 4952 return false; 4953 } 4954 final boolean isWebUri = hasWebURI(intent); 4955 if (!isWebUri) { 4956 return false; 4957 } 4958 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4959 synchronized (mPackages) { 4960 final int count = resolvedActivites.size(); 4961 for (int n = 0; n < count; n++) { 4962 ResolveInfo info = resolvedActivites.get(n); 4963 String packageName = info.activityInfo.packageName; 4964 PackageSetting ps = mSettings.mPackages.get(packageName); 4965 if (ps != null) { 4966 // Try to get the status from User settings first 4967 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4968 int status = (int) (packedStatus >> 32); 4969 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4970 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4971 if (DEBUG_EPHEMERAL) { 4972 Slog.v(TAG, "DENY ephemeral apps;" 4973 + " pkg: " + packageName + ", status: " + status); 4974 } 4975 return false; 4976 } 4977 } 4978 } 4979 } 4980 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4981 return true; 4982 } 4983 4984 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4985 int userId) { 4986 MessageDigest digest = null; 4987 try { 4988 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4989 } catch (NoSuchAlgorithmException e) { 4990 // If we can't create a digest, ignore ephemeral apps. 4991 return null; 4992 } 4993 4994 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4995 final byte[] digestBytes = digest.digest(hostBytes); 4996 int shaPrefix = 4997 digestBytes[0] << 24 4998 | digestBytes[1] << 16 4999 | digestBytes[2] << 8 5000 | digestBytes[3] << 0; 5001 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5002 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 5003 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5004 // No hash prefix match; there are no ephemeral apps for this domain. 5005 return null; 5006 } 5007 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 5008 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 5009 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 5010 continue; 5011 } 5012 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5013 // No filters; this should never happen. 5014 if (filters.isEmpty()) { 5015 continue; 5016 } 5017 // We have a domain match; resolve the filters to see if anything matches. 5018 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5019 for (int j = filters.size() - 1; j >= 0; --j) { 5020 final EphemeralResolveIntentInfo intentInfo = 5021 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5022 ephemeralResolver.addFilter(intentInfo); 5023 } 5024 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5025 intent, resolvedType, false /*defaultOnly*/, userId); 5026 if (!matchedResolveInfoList.isEmpty()) { 5027 return matchedResolveInfoList.get(0); 5028 } 5029 } 5030 // Hash or filter mis-match; no ephemeral apps for this domain. 5031 return null; 5032 } 5033 5034 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5035 int flags, List<ResolveInfo> query, int userId) { 5036 if (query != null) { 5037 final int N = query.size(); 5038 if (N == 1) { 5039 return query.get(0); 5040 } else if (N > 1) { 5041 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5042 // If there is more than one activity with the same priority, 5043 // then let the user decide between them. 5044 ResolveInfo r0 = query.get(0); 5045 ResolveInfo r1 = query.get(1); 5046 if (DEBUG_INTENT_MATCHING || debug) { 5047 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5048 + r1.activityInfo.name + "=" + r1.priority); 5049 } 5050 // If the first activity has a higher priority, or a different 5051 // default, then it is always desirable to pick it. 5052 if (r0.priority != r1.priority 5053 || r0.preferredOrder != r1.preferredOrder 5054 || r0.isDefault != r1.isDefault) { 5055 return query.get(0); 5056 } 5057 // If we have saved a preference for a preferred activity for 5058 // this Intent, use that. 5059 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5060 flags, query, r0.priority, true, false, debug, userId); 5061 if (ri != null) { 5062 return ri; 5063 } 5064 ri = new ResolveInfo(mResolveInfo); 5065 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5066 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5067 // If all of the options come from the same package, show the application's 5068 // label and icon instead of the generic resolver's. 5069 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5070 // and then throw away the ResolveInfo itself, meaning that the caller loses 5071 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5072 // a fallback for this case; we only set the target package's resources on 5073 // the ResolveInfo, not the ActivityInfo. 5074 final String intentPackage = intent.getPackage(); 5075 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5076 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5077 ri.resolvePackageName = intentPackage; 5078 if (userNeedsBadging(userId)) { 5079 ri.noResourceId = true; 5080 } else { 5081 ri.icon = appi.icon; 5082 } 5083 ri.iconResourceId = appi.icon; 5084 ri.labelRes = appi.labelRes; 5085 } 5086 ri.activityInfo.applicationInfo = new ApplicationInfo( 5087 ri.activityInfo.applicationInfo); 5088 if (userId != 0) { 5089 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5090 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5091 } 5092 // Make sure that the resolver is displayable in car mode 5093 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5094 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5095 return ri; 5096 } 5097 } 5098 return null; 5099 } 5100 5101 /** 5102 * Return true if the given list is not empty and all of its contents have 5103 * an activityInfo with the given package name. 5104 */ 5105 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5106 if (ArrayUtils.isEmpty(list)) { 5107 return false; 5108 } 5109 for (int i = 0, N = list.size(); i < N; i++) { 5110 final ResolveInfo ri = list.get(i); 5111 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5112 if (ai == null || !packageName.equals(ai.packageName)) { 5113 return false; 5114 } 5115 } 5116 return true; 5117 } 5118 5119 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5120 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5121 final int N = query.size(); 5122 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5123 .get(userId); 5124 // Get the list of persistent preferred activities that handle the intent 5125 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5126 List<PersistentPreferredActivity> pprefs = ppir != null 5127 ? ppir.queryIntent(intent, resolvedType, 5128 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5129 : null; 5130 if (pprefs != null && pprefs.size() > 0) { 5131 final int M = pprefs.size(); 5132 for (int i=0; i<M; i++) { 5133 final PersistentPreferredActivity ppa = pprefs.get(i); 5134 if (DEBUG_PREFERRED || debug) { 5135 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5136 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5137 + "\n component=" + ppa.mComponent); 5138 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5139 } 5140 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5141 flags | MATCH_DISABLED_COMPONENTS, userId); 5142 if (DEBUG_PREFERRED || debug) { 5143 Slog.v(TAG, "Found persistent preferred activity:"); 5144 if (ai != null) { 5145 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5146 } else { 5147 Slog.v(TAG, " null"); 5148 } 5149 } 5150 if (ai == null) { 5151 // This previously registered persistent preferred activity 5152 // component is no longer known. Ignore it and do NOT remove it. 5153 continue; 5154 } 5155 for (int j=0; j<N; j++) { 5156 final ResolveInfo ri = query.get(j); 5157 if (!ri.activityInfo.applicationInfo.packageName 5158 .equals(ai.applicationInfo.packageName)) { 5159 continue; 5160 } 5161 if (!ri.activityInfo.name.equals(ai.name)) { 5162 continue; 5163 } 5164 // Found a persistent preference that can handle the intent. 5165 if (DEBUG_PREFERRED || debug) { 5166 Slog.v(TAG, "Returning persistent preferred activity: " + 5167 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5168 } 5169 return ri; 5170 } 5171 } 5172 } 5173 return null; 5174 } 5175 5176 // TODO: handle preferred activities missing while user has amnesia 5177 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5178 List<ResolveInfo> query, int priority, boolean always, 5179 boolean removeMatches, boolean debug, int userId) { 5180 if (!sUserManager.exists(userId)) return null; 5181 flags = updateFlagsForResolve(flags, userId, intent); 5182 // writer 5183 synchronized (mPackages) { 5184 if (intent.getSelector() != null) { 5185 intent = intent.getSelector(); 5186 } 5187 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5188 5189 // Try to find a matching persistent preferred activity. 5190 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5191 debug, userId); 5192 5193 // If a persistent preferred activity matched, use it. 5194 if (pri != null) { 5195 return pri; 5196 } 5197 5198 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5199 // Get the list of preferred activities that handle the intent 5200 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5201 List<PreferredActivity> prefs = pir != null 5202 ? pir.queryIntent(intent, resolvedType, 5203 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5204 : null; 5205 if (prefs != null && prefs.size() > 0) { 5206 boolean changed = false; 5207 try { 5208 // First figure out how good the original match set is. 5209 // We will only allow preferred activities that came 5210 // from the same match quality. 5211 int match = 0; 5212 5213 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5214 5215 final int N = query.size(); 5216 for (int j=0; j<N; j++) { 5217 final ResolveInfo ri = query.get(j); 5218 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5219 + ": 0x" + Integer.toHexString(match)); 5220 if (ri.match > match) { 5221 match = ri.match; 5222 } 5223 } 5224 5225 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5226 + Integer.toHexString(match)); 5227 5228 match &= IntentFilter.MATCH_CATEGORY_MASK; 5229 final int M = prefs.size(); 5230 for (int i=0; i<M; i++) { 5231 final PreferredActivity pa = prefs.get(i); 5232 if (DEBUG_PREFERRED || debug) { 5233 Slog.v(TAG, "Checking PreferredActivity ds=" 5234 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5235 + "\n component=" + pa.mPref.mComponent); 5236 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5237 } 5238 if (pa.mPref.mMatch != match) { 5239 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5240 + Integer.toHexString(pa.mPref.mMatch)); 5241 continue; 5242 } 5243 // If it's not an "always" type preferred activity and that's what we're 5244 // looking for, skip it. 5245 if (always && !pa.mPref.mAlways) { 5246 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5247 continue; 5248 } 5249 final ActivityInfo ai = getActivityInfo( 5250 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5251 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5252 userId); 5253 if (DEBUG_PREFERRED || debug) { 5254 Slog.v(TAG, "Found preferred activity:"); 5255 if (ai != null) { 5256 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5257 } else { 5258 Slog.v(TAG, " null"); 5259 } 5260 } 5261 if (ai == null) { 5262 // This previously registered preferred activity 5263 // component is no longer known. Most likely an update 5264 // to the app was installed and in the new version this 5265 // component no longer exists. Clean it up by removing 5266 // it from the preferred activities list, and skip it. 5267 Slog.w(TAG, "Removing dangling preferred activity: " 5268 + pa.mPref.mComponent); 5269 pir.removeFilter(pa); 5270 changed = true; 5271 continue; 5272 } 5273 for (int j=0; j<N; j++) { 5274 final ResolveInfo ri = query.get(j); 5275 if (!ri.activityInfo.applicationInfo.packageName 5276 .equals(ai.applicationInfo.packageName)) { 5277 continue; 5278 } 5279 if (!ri.activityInfo.name.equals(ai.name)) { 5280 continue; 5281 } 5282 5283 if (removeMatches) { 5284 pir.removeFilter(pa); 5285 changed = true; 5286 if (DEBUG_PREFERRED) { 5287 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5288 } 5289 break; 5290 } 5291 5292 // Okay we found a previously set preferred or last chosen app. 5293 // If the result set is different from when this 5294 // was created, we need to clear it and re-ask the 5295 // user their preference, if we're looking for an "always" type entry. 5296 if (always && !pa.mPref.sameSet(query)) { 5297 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5298 + intent + " type " + resolvedType); 5299 if (DEBUG_PREFERRED) { 5300 Slog.v(TAG, "Removing preferred activity since set changed " 5301 + pa.mPref.mComponent); 5302 } 5303 pir.removeFilter(pa); 5304 // Re-add the filter as a "last chosen" entry (!always) 5305 PreferredActivity lastChosen = new PreferredActivity( 5306 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5307 pir.addFilter(lastChosen); 5308 changed = true; 5309 return null; 5310 } 5311 5312 // Yay! Either the set matched or we're looking for the last chosen 5313 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5314 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5315 return ri; 5316 } 5317 } 5318 } finally { 5319 if (changed) { 5320 if (DEBUG_PREFERRED) { 5321 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5322 } 5323 scheduleWritePackageRestrictionsLocked(userId); 5324 } 5325 } 5326 } 5327 } 5328 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5329 return null; 5330 } 5331 5332 /* 5333 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5334 */ 5335 @Override 5336 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5337 int targetUserId) { 5338 mContext.enforceCallingOrSelfPermission( 5339 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5340 List<CrossProfileIntentFilter> matches = 5341 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5342 if (matches != null) { 5343 int size = matches.size(); 5344 for (int i = 0; i < size; i++) { 5345 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5346 } 5347 } 5348 if (hasWebURI(intent)) { 5349 // cross-profile app linking works only towards the parent. 5350 final UserInfo parent = getProfileParent(sourceUserId); 5351 synchronized(mPackages) { 5352 int flags = updateFlagsForResolve(0, parent.id, intent); 5353 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5354 intent, resolvedType, flags, sourceUserId, parent.id); 5355 return xpDomainInfo != null; 5356 } 5357 } 5358 return false; 5359 } 5360 5361 private UserInfo getProfileParent(int userId) { 5362 final long identity = Binder.clearCallingIdentity(); 5363 try { 5364 return sUserManager.getProfileParent(userId); 5365 } finally { 5366 Binder.restoreCallingIdentity(identity); 5367 } 5368 } 5369 5370 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5371 String resolvedType, int userId) { 5372 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5373 if (resolver != null) { 5374 return resolver.queryIntent(intent, resolvedType, false, userId); 5375 } 5376 return null; 5377 } 5378 5379 @Override 5380 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5381 String resolvedType, int flags, int userId) { 5382 try { 5383 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5384 5385 return new ParceledListSlice<>( 5386 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5387 } finally { 5388 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5389 } 5390 } 5391 5392 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5393 String resolvedType, int flags, int userId) { 5394 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5395 flags = updateFlagsForResolve(flags, userId, intent); 5396 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5397 false /* requireFullPermission */, false /* checkShell */, 5398 "query intent activities"); 5399 ComponentName comp = intent.getComponent(); 5400 if (comp == null) { 5401 if (intent.getSelector() != null) { 5402 intent = intent.getSelector(); 5403 comp = intent.getComponent(); 5404 } 5405 } 5406 5407 if (comp != null) { 5408 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5409 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5410 if (ai != null) { 5411 final ResolveInfo ri = new ResolveInfo(); 5412 ri.activityInfo = ai; 5413 list.add(ri); 5414 } 5415 return list; 5416 } 5417 5418 // reader 5419 synchronized (mPackages) { 5420 final String pkgName = intent.getPackage(); 5421 if (pkgName == null) { 5422 List<CrossProfileIntentFilter> matchingFilters = 5423 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5424 // Check for results that need to skip the current profile. 5425 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5426 resolvedType, flags, userId); 5427 if (xpResolveInfo != null) { 5428 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5429 result.add(xpResolveInfo); 5430 return filterIfNotSystemUser(result, userId); 5431 } 5432 5433 // Check for results in the current profile. 5434 List<ResolveInfo> result = mActivities.queryIntent( 5435 intent, resolvedType, flags, userId); 5436 result = filterIfNotSystemUser(result, userId); 5437 5438 // Check for cross profile results. 5439 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5440 xpResolveInfo = queryCrossProfileIntents( 5441 matchingFilters, intent, resolvedType, flags, userId, 5442 hasNonNegativePriorityResult); 5443 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5444 boolean isVisibleToUser = filterIfNotSystemUser( 5445 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5446 if (isVisibleToUser) { 5447 result.add(xpResolveInfo); 5448 Collections.sort(result, mResolvePrioritySorter); 5449 } 5450 } 5451 if (hasWebURI(intent)) { 5452 CrossProfileDomainInfo xpDomainInfo = null; 5453 final UserInfo parent = getProfileParent(userId); 5454 if (parent != null) { 5455 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5456 flags, userId, parent.id); 5457 } 5458 if (xpDomainInfo != null) { 5459 if (xpResolveInfo != null) { 5460 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5461 // in the result. 5462 result.remove(xpResolveInfo); 5463 } 5464 if (result.size() == 0) { 5465 result.add(xpDomainInfo.resolveInfo); 5466 return result; 5467 } 5468 } else if (result.size() <= 1) { 5469 return result; 5470 } 5471 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5472 xpDomainInfo, userId); 5473 Collections.sort(result, mResolvePrioritySorter); 5474 } 5475 return result; 5476 } 5477 final PackageParser.Package pkg = mPackages.get(pkgName); 5478 if (pkg != null) { 5479 return filterIfNotSystemUser( 5480 mActivities.queryIntentForPackage( 5481 intent, resolvedType, flags, pkg.activities, userId), 5482 userId); 5483 } 5484 return new ArrayList<ResolveInfo>(); 5485 } 5486 } 5487 5488 private static class CrossProfileDomainInfo { 5489 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5490 ResolveInfo resolveInfo; 5491 /* Best domain verification status of the activities found in the other profile */ 5492 int bestDomainVerificationStatus; 5493 } 5494 5495 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5496 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5497 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5498 sourceUserId)) { 5499 return null; 5500 } 5501 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5502 resolvedType, flags, parentUserId); 5503 5504 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5505 return null; 5506 } 5507 CrossProfileDomainInfo result = null; 5508 int size = resultTargetUser.size(); 5509 for (int i = 0; i < size; i++) { 5510 ResolveInfo riTargetUser = resultTargetUser.get(i); 5511 // Intent filter verification is only for filters that specify a host. So don't return 5512 // those that handle all web uris. 5513 if (riTargetUser.handleAllWebDataURI) { 5514 continue; 5515 } 5516 String packageName = riTargetUser.activityInfo.packageName; 5517 PackageSetting ps = mSettings.mPackages.get(packageName); 5518 if (ps == null) { 5519 continue; 5520 } 5521 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5522 int status = (int)(verificationState >> 32); 5523 if (result == null) { 5524 result = new CrossProfileDomainInfo(); 5525 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5526 sourceUserId, parentUserId); 5527 result.bestDomainVerificationStatus = status; 5528 } else { 5529 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5530 result.bestDomainVerificationStatus); 5531 } 5532 } 5533 // Don't consider matches with status NEVER across profiles. 5534 if (result != null && result.bestDomainVerificationStatus 5535 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5536 return null; 5537 } 5538 return result; 5539 } 5540 5541 /** 5542 * Verification statuses are ordered from the worse to the best, except for 5543 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5544 */ 5545 private int bestDomainVerificationStatus(int status1, int status2) { 5546 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5547 return status2; 5548 } 5549 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5550 return status1; 5551 } 5552 return (int) MathUtils.max(status1, status2); 5553 } 5554 5555 private boolean isUserEnabled(int userId) { 5556 long callingId = Binder.clearCallingIdentity(); 5557 try { 5558 UserInfo userInfo = sUserManager.getUserInfo(userId); 5559 return userInfo != null && userInfo.isEnabled(); 5560 } finally { 5561 Binder.restoreCallingIdentity(callingId); 5562 } 5563 } 5564 5565 /** 5566 * Filter out activities with systemUserOnly flag set, when current user is not System. 5567 * 5568 * @return filtered list 5569 */ 5570 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5571 if (userId == UserHandle.USER_SYSTEM) { 5572 return resolveInfos; 5573 } 5574 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5575 ResolveInfo info = resolveInfos.get(i); 5576 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5577 resolveInfos.remove(i); 5578 } 5579 } 5580 return resolveInfos; 5581 } 5582 5583 /** 5584 * @param resolveInfos list of resolve infos in descending priority order 5585 * @return if the list contains a resolve info with non-negative priority 5586 */ 5587 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5588 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5589 } 5590 5591 private static boolean hasWebURI(Intent intent) { 5592 if (intent.getData() == null) { 5593 return false; 5594 } 5595 final String scheme = intent.getScheme(); 5596 if (TextUtils.isEmpty(scheme)) { 5597 return false; 5598 } 5599 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5600 } 5601 5602 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5603 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5604 int userId) { 5605 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5606 5607 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5608 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5609 candidates.size()); 5610 } 5611 5612 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5613 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5614 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5615 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5616 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5617 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5618 5619 synchronized (mPackages) { 5620 final int count = candidates.size(); 5621 // First, try to use linked apps. Partition the candidates into four lists: 5622 // one for the final results, one for the "do not use ever", one for "undefined status" 5623 // and finally one for "browser app type". 5624 for (int n=0; n<count; n++) { 5625 ResolveInfo info = candidates.get(n); 5626 String packageName = info.activityInfo.packageName; 5627 PackageSetting ps = mSettings.mPackages.get(packageName); 5628 if (ps != null) { 5629 // Add to the special match all list (Browser use case) 5630 if (info.handleAllWebDataURI) { 5631 matchAllList.add(info); 5632 continue; 5633 } 5634 // Try to get the status from User settings first 5635 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5636 int status = (int)(packedStatus >> 32); 5637 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5638 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5639 if (DEBUG_DOMAIN_VERIFICATION) { 5640 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5641 + " : linkgen=" + linkGeneration); 5642 } 5643 // Use link-enabled generation as preferredOrder, i.e. 5644 // prefer newly-enabled over earlier-enabled. 5645 info.preferredOrder = linkGeneration; 5646 alwaysList.add(info); 5647 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5648 if (DEBUG_DOMAIN_VERIFICATION) { 5649 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5650 } 5651 neverList.add(info); 5652 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5653 if (DEBUG_DOMAIN_VERIFICATION) { 5654 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5655 } 5656 alwaysAskList.add(info); 5657 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5658 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5659 if (DEBUG_DOMAIN_VERIFICATION) { 5660 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5661 } 5662 undefinedList.add(info); 5663 } 5664 } 5665 } 5666 5667 // We'll want to include browser possibilities in a few cases 5668 boolean includeBrowser = false; 5669 5670 // First try to add the "always" resolution(s) for the current user, if any 5671 if (alwaysList.size() > 0) { 5672 result.addAll(alwaysList); 5673 } else { 5674 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5675 result.addAll(undefinedList); 5676 // Maybe add one for the other profile. 5677 if (xpDomainInfo != null && ( 5678 xpDomainInfo.bestDomainVerificationStatus 5679 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5680 result.add(xpDomainInfo.resolveInfo); 5681 } 5682 includeBrowser = true; 5683 } 5684 5685 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5686 // If there were 'always' entries their preferred order has been set, so we also 5687 // back that off to make the alternatives equivalent 5688 if (alwaysAskList.size() > 0) { 5689 for (ResolveInfo i : result) { 5690 i.preferredOrder = 0; 5691 } 5692 result.addAll(alwaysAskList); 5693 includeBrowser = true; 5694 } 5695 5696 if (includeBrowser) { 5697 // Also add browsers (all of them or only the default one) 5698 if (DEBUG_DOMAIN_VERIFICATION) { 5699 Slog.v(TAG, " ...including browsers in candidate set"); 5700 } 5701 if ((matchFlags & MATCH_ALL) != 0) { 5702 result.addAll(matchAllList); 5703 } else { 5704 // Browser/generic handling case. If there's a default browser, go straight 5705 // to that (but only if there is no other higher-priority match). 5706 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5707 int maxMatchPrio = 0; 5708 ResolveInfo defaultBrowserMatch = null; 5709 final int numCandidates = matchAllList.size(); 5710 for (int n = 0; n < numCandidates; n++) { 5711 ResolveInfo info = matchAllList.get(n); 5712 // track the highest overall match priority... 5713 if (info.priority > maxMatchPrio) { 5714 maxMatchPrio = info.priority; 5715 } 5716 // ...and the highest-priority default browser match 5717 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5718 if (defaultBrowserMatch == null 5719 || (defaultBrowserMatch.priority < info.priority)) { 5720 if (debug) { 5721 Slog.v(TAG, "Considering default browser match " + info); 5722 } 5723 defaultBrowserMatch = info; 5724 } 5725 } 5726 } 5727 if (defaultBrowserMatch != null 5728 && defaultBrowserMatch.priority >= maxMatchPrio 5729 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5730 { 5731 if (debug) { 5732 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5733 } 5734 result.add(defaultBrowserMatch); 5735 } else { 5736 result.addAll(matchAllList); 5737 } 5738 } 5739 5740 // If there is nothing selected, add all candidates and remove the ones that the user 5741 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5742 if (result.size() == 0) { 5743 result.addAll(candidates); 5744 result.removeAll(neverList); 5745 } 5746 } 5747 } 5748 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5749 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5750 result.size()); 5751 for (ResolveInfo info : result) { 5752 Slog.v(TAG, " + " + info.activityInfo); 5753 } 5754 } 5755 return result; 5756 } 5757 5758 // Returns a packed value as a long: 5759 // 5760 // high 'int'-sized word: link status: undefined/ask/never/always. 5761 // low 'int'-sized word: relative priority among 'always' results. 5762 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5763 long result = ps.getDomainVerificationStatusForUser(userId); 5764 // if none available, get the master status 5765 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5766 if (ps.getIntentFilterVerificationInfo() != null) { 5767 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5768 } 5769 } 5770 return result; 5771 } 5772 5773 private ResolveInfo querySkipCurrentProfileIntents( 5774 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5775 int flags, int sourceUserId) { 5776 if (matchingFilters != null) { 5777 int size = matchingFilters.size(); 5778 for (int i = 0; i < size; i ++) { 5779 CrossProfileIntentFilter filter = matchingFilters.get(i); 5780 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5781 // Checking if there are activities in the target user that can handle the 5782 // intent. 5783 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5784 resolvedType, flags, sourceUserId); 5785 if (resolveInfo != null) { 5786 return resolveInfo; 5787 } 5788 } 5789 } 5790 } 5791 return null; 5792 } 5793 5794 // Return matching ResolveInfo in target user if any. 5795 private ResolveInfo queryCrossProfileIntents( 5796 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5797 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5798 if (matchingFilters != null) { 5799 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5800 // match the same intent. For performance reasons, it is better not to 5801 // run queryIntent twice for the same userId 5802 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5803 int size = matchingFilters.size(); 5804 for (int i = 0; i < size; i++) { 5805 CrossProfileIntentFilter filter = matchingFilters.get(i); 5806 int targetUserId = filter.getTargetUserId(); 5807 boolean skipCurrentProfile = 5808 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5809 boolean skipCurrentProfileIfNoMatchFound = 5810 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5811 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5812 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5813 // Checking if there are activities in the target user that can handle the 5814 // intent. 5815 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5816 resolvedType, flags, sourceUserId); 5817 if (resolveInfo != null) return resolveInfo; 5818 alreadyTriedUserIds.put(targetUserId, true); 5819 } 5820 } 5821 } 5822 return null; 5823 } 5824 5825 /** 5826 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5827 * will forward the intent to the filter's target user. 5828 * Otherwise, returns null. 5829 */ 5830 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5831 String resolvedType, int flags, int sourceUserId) { 5832 int targetUserId = filter.getTargetUserId(); 5833 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5834 resolvedType, flags, targetUserId); 5835 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5836 // If all the matches in the target profile are suspended, return null. 5837 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5838 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5839 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5840 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5841 targetUserId); 5842 } 5843 } 5844 } 5845 return null; 5846 } 5847 5848 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5849 int sourceUserId, int targetUserId) { 5850 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5851 long ident = Binder.clearCallingIdentity(); 5852 boolean targetIsProfile; 5853 try { 5854 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5855 } finally { 5856 Binder.restoreCallingIdentity(ident); 5857 } 5858 String className; 5859 if (targetIsProfile) { 5860 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5861 } else { 5862 className = FORWARD_INTENT_TO_PARENT; 5863 } 5864 ComponentName forwardingActivityComponentName = new ComponentName( 5865 mAndroidApplication.packageName, className); 5866 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5867 sourceUserId); 5868 if (!targetIsProfile) { 5869 forwardingActivityInfo.showUserIcon = targetUserId; 5870 forwardingResolveInfo.noResourceId = true; 5871 } 5872 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5873 forwardingResolveInfo.priority = 0; 5874 forwardingResolveInfo.preferredOrder = 0; 5875 forwardingResolveInfo.match = 0; 5876 forwardingResolveInfo.isDefault = true; 5877 forwardingResolveInfo.filter = filter; 5878 forwardingResolveInfo.targetUserId = targetUserId; 5879 return forwardingResolveInfo; 5880 } 5881 5882 @Override 5883 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5884 Intent[] specifics, String[] specificTypes, Intent intent, 5885 String resolvedType, int flags, int userId) { 5886 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5887 specificTypes, intent, resolvedType, flags, userId)); 5888 } 5889 5890 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5891 Intent[] specifics, String[] specificTypes, Intent intent, 5892 String resolvedType, int flags, int userId) { 5893 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5894 flags = updateFlagsForResolve(flags, userId, intent); 5895 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5896 false /* requireFullPermission */, false /* checkShell */, 5897 "query intent activity options"); 5898 final String resultsAction = intent.getAction(); 5899 5900 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5901 | PackageManager.GET_RESOLVED_FILTER, userId); 5902 5903 if (DEBUG_INTENT_MATCHING) { 5904 Log.v(TAG, "Query " + intent + ": " + results); 5905 } 5906 5907 int specificsPos = 0; 5908 int N; 5909 5910 // todo: note that the algorithm used here is O(N^2). This 5911 // isn't a problem in our current environment, but if we start running 5912 // into situations where we have more than 5 or 10 matches then this 5913 // should probably be changed to something smarter... 5914 5915 // First we go through and resolve each of the specific items 5916 // that were supplied, taking care of removing any corresponding 5917 // duplicate items in the generic resolve list. 5918 if (specifics != null) { 5919 for (int i=0; i<specifics.length; i++) { 5920 final Intent sintent = specifics[i]; 5921 if (sintent == null) { 5922 continue; 5923 } 5924 5925 if (DEBUG_INTENT_MATCHING) { 5926 Log.v(TAG, "Specific #" + i + ": " + sintent); 5927 } 5928 5929 String action = sintent.getAction(); 5930 if (resultsAction != null && resultsAction.equals(action)) { 5931 // If this action was explicitly requested, then don't 5932 // remove things that have it. 5933 action = null; 5934 } 5935 5936 ResolveInfo ri = null; 5937 ActivityInfo ai = null; 5938 5939 ComponentName comp = sintent.getComponent(); 5940 if (comp == null) { 5941 ri = resolveIntent( 5942 sintent, 5943 specificTypes != null ? specificTypes[i] : null, 5944 flags, userId); 5945 if (ri == null) { 5946 continue; 5947 } 5948 if (ri == mResolveInfo) { 5949 // ACK! Must do something better with this. 5950 } 5951 ai = ri.activityInfo; 5952 comp = new ComponentName(ai.applicationInfo.packageName, 5953 ai.name); 5954 } else { 5955 ai = getActivityInfo(comp, flags, userId); 5956 if (ai == null) { 5957 continue; 5958 } 5959 } 5960 5961 // Look for any generic query activities that are duplicates 5962 // of this specific one, and remove them from the results. 5963 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5964 N = results.size(); 5965 int j; 5966 for (j=specificsPos; j<N; j++) { 5967 ResolveInfo sri = results.get(j); 5968 if ((sri.activityInfo.name.equals(comp.getClassName()) 5969 && sri.activityInfo.applicationInfo.packageName.equals( 5970 comp.getPackageName())) 5971 || (action != null && sri.filter.matchAction(action))) { 5972 results.remove(j); 5973 if (DEBUG_INTENT_MATCHING) Log.v( 5974 TAG, "Removing duplicate item from " + j 5975 + " due to specific " + specificsPos); 5976 if (ri == null) { 5977 ri = sri; 5978 } 5979 j--; 5980 N--; 5981 } 5982 } 5983 5984 // Add this specific item to its proper place. 5985 if (ri == null) { 5986 ri = new ResolveInfo(); 5987 ri.activityInfo = ai; 5988 } 5989 results.add(specificsPos, ri); 5990 ri.specificIndex = i; 5991 specificsPos++; 5992 } 5993 } 5994 5995 // Now we go through the remaining generic results and remove any 5996 // duplicate actions that are found here. 5997 N = results.size(); 5998 for (int i=specificsPos; i<N-1; i++) { 5999 final ResolveInfo rii = results.get(i); 6000 if (rii.filter == null) { 6001 continue; 6002 } 6003 6004 // Iterate over all of the actions of this result's intent 6005 // filter... typically this should be just one. 6006 final Iterator<String> it = rii.filter.actionsIterator(); 6007 if (it == null) { 6008 continue; 6009 } 6010 while (it.hasNext()) { 6011 final String action = it.next(); 6012 if (resultsAction != null && resultsAction.equals(action)) { 6013 // If this action was explicitly requested, then don't 6014 // remove things that have it. 6015 continue; 6016 } 6017 for (int j=i+1; j<N; j++) { 6018 final ResolveInfo rij = results.get(j); 6019 if (rij.filter != null && rij.filter.hasAction(action)) { 6020 results.remove(j); 6021 if (DEBUG_INTENT_MATCHING) Log.v( 6022 TAG, "Removing duplicate item from " + j 6023 + " due to action " + action + " at " + i); 6024 j--; 6025 N--; 6026 } 6027 } 6028 } 6029 6030 // If the caller didn't request filter information, drop it now 6031 // so we don't have to marshall/unmarshall it. 6032 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6033 rii.filter = null; 6034 } 6035 } 6036 6037 // Filter out the caller activity if so requested. 6038 if (caller != null) { 6039 N = results.size(); 6040 for (int i=0; i<N; i++) { 6041 ActivityInfo ainfo = results.get(i).activityInfo; 6042 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6043 && caller.getClassName().equals(ainfo.name)) { 6044 results.remove(i); 6045 break; 6046 } 6047 } 6048 } 6049 6050 // If the caller didn't request filter information, 6051 // drop them now so we don't have to 6052 // marshall/unmarshall it. 6053 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6054 N = results.size(); 6055 for (int i=0; i<N; i++) { 6056 results.get(i).filter = null; 6057 } 6058 } 6059 6060 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6061 return results; 6062 } 6063 6064 @Override 6065 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6066 String resolvedType, int flags, int userId) { 6067 return new ParceledListSlice<>( 6068 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6069 } 6070 6071 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6072 String resolvedType, int flags, int userId) { 6073 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6074 flags = updateFlagsForResolve(flags, userId, intent); 6075 ComponentName comp = intent.getComponent(); 6076 if (comp == null) { 6077 if (intent.getSelector() != null) { 6078 intent = intent.getSelector(); 6079 comp = intent.getComponent(); 6080 } 6081 } 6082 if (comp != null) { 6083 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6084 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6085 if (ai != null) { 6086 ResolveInfo ri = new ResolveInfo(); 6087 ri.activityInfo = ai; 6088 list.add(ri); 6089 } 6090 return list; 6091 } 6092 6093 // reader 6094 synchronized (mPackages) { 6095 String pkgName = intent.getPackage(); 6096 if (pkgName == null) { 6097 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6098 } 6099 final PackageParser.Package pkg = mPackages.get(pkgName); 6100 if (pkg != null) { 6101 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6102 userId); 6103 } 6104 return Collections.emptyList(); 6105 } 6106 } 6107 6108 @Override 6109 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6110 if (!sUserManager.exists(userId)) return null; 6111 flags = updateFlagsForResolve(flags, userId, intent); 6112 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6113 if (query != null) { 6114 if (query.size() >= 1) { 6115 // If there is more than one service with the same priority, 6116 // just arbitrarily pick the first one. 6117 return query.get(0); 6118 } 6119 } 6120 return null; 6121 } 6122 6123 @Override 6124 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6125 String resolvedType, int flags, int userId) { 6126 return new ParceledListSlice<>( 6127 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6128 } 6129 6130 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6131 String resolvedType, int flags, int userId) { 6132 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6133 flags = updateFlagsForResolve(flags, userId, intent); 6134 ComponentName comp = intent.getComponent(); 6135 if (comp == null) { 6136 if (intent.getSelector() != null) { 6137 intent = intent.getSelector(); 6138 comp = intent.getComponent(); 6139 } 6140 } 6141 if (comp != null) { 6142 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6143 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6144 if (si != null) { 6145 final ResolveInfo ri = new ResolveInfo(); 6146 ri.serviceInfo = si; 6147 list.add(ri); 6148 } 6149 return list; 6150 } 6151 6152 // reader 6153 synchronized (mPackages) { 6154 String pkgName = intent.getPackage(); 6155 if (pkgName == null) { 6156 return mServices.queryIntent(intent, resolvedType, flags, userId); 6157 } 6158 final PackageParser.Package pkg = mPackages.get(pkgName); 6159 if (pkg != null) { 6160 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6161 userId); 6162 } 6163 return Collections.emptyList(); 6164 } 6165 } 6166 6167 @Override 6168 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6169 String resolvedType, int flags, int userId) { 6170 return new ParceledListSlice<>( 6171 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6172 } 6173 6174 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6175 Intent intent, String resolvedType, int flags, int userId) { 6176 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6177 flags = updateFlagsForResolve(flags, userId, intent); 6178 ComponentName comp = intent.getComponent(); 6179 if (comp == null) { 6180 if (intent.getSelector() != null) { 6181 intent = intent.getSelector(); 6182 comp = intent.getComponent(); 6183 } 6184 } 6185 if (comp != null) { 6186 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6187 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6188 if (pi != null) { 6189 final ResolveInfo ri = new ResolveInfo(); 6190 ri.providerInfo = pi; 6191 list.add(ri); 6192 } 6193 return list; 6194 } 6195 6196 // reader 6197 synchronized (mPackages) { 6198 String pkgName = intent.getPackage(); 6199 if (pkgName == null) { 6200 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6201 } 6202 final PackageParser.Package pkg = mPackages.get(pkgName); 6203 if (pkg != null) { 6204 return mProviders.queryIntentForPackage( 6205 intent, resolvedType, flags, pkg.providers, userId); 6206 } 6207 return Collections.emptyList(); 6208 } 6209 } 6210 6211 @Override 6212 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6213 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6214 flags = updateFlagsForPackage(flags, userId, null); 6215 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6216 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6217 true /* requireFullPermission */, false /* checkShell */, 6218 "get installed packages"); 6219 6220 // writer 6221 synchronized (mPackages) { 6222 ArrayList<PackageInfo> list; 6223 if (listUninstalled) { 6224 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6225 for (PackageSetting ps : mSettings.mPackages.values()) { 6226 final PackageInfo pi; 6227 if (ps.pkg != null) { 6228 pi = generatePackageInfo(ps, flags, userId); 6229 } else { 6230 pi = generatePackageInfo(ps, flags, userId); 6231 } 6232 if (pi != null) { 6233 list.add(pi); 6234 } 6235 } 6236 } else { 6237 list = new ArrayList<PackageInfo>(mPackages.size()); 6238 for (PackageParser.Package p : mPackages.values()) { 6239 final PackageInfo pi = 6240 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6241 if (pi != null) { 6242 list.add(pi); 6243 } 6244 } 6245 } 6246 6247 return new ParceledListSlice<PackageInfo>(list); 6248 } 6249 } 6250 6251 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6252 String[] permissions, boolean[] tmp, int flags, int userId) { 6253 int numMatch = 0; 6254 final PermissionsState permissionsState = ps.getPermissionsState(); 6255 for (int i=0; i<permissions.length; i++) { 6256 final String permission = permissions[i]; 6257 if (permissionsState.hasPermission(permission, userId)) { 6258 tmp[i] = true; 6259 numMatch++; 6260 } else { 6261 tmp[i] = false; 6262 } 6263 } 6264 if (numMatch == 0) { 6265 return; 6266 } 6267 final PackageInfo pi; 6268 if (ps.pkg != null) { 6269 pi = generatePackageInfo(ps, flags, userId); 6270 } else { 6271 pi = generatePackageInfo(ps, flags, userId); 6272 } 6273 // The above might return null in cases of uninstalled apps or install-state 6274 // skew across users/profiles. 6275 if (pi != null) { 6276 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6277 if (numMatch == permissions.length) { 6278 pi.requestedPermissions = permissions; 6279 } else { 6280 pi.requestedPermissions = new String[numMatch]; 6281 numMatch = 0; 6282 for (int i=0; i<permissions.length; i++) { 6283 if (tmp[i]) { 6284 pi.requestedPermissions[numMatch] = permissions[i]; 6285 numMatch++; 6286 } 6287 } 6288 } 6289 } 6290 list.add(pi); 6291 } 6292 } 6293 6294 @Override 6295 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6296 String[] permissions, int flags, int userId) { 6297 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6298 flags = updateFlagsForPackage(flags, userId, permissions); 6299 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6300 6301 // writer 6302 synchronized (mPackages) { 6303 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6304 boolean[] tmpBools = new boolean[permissions.length]; 6305 if (listUninstalled) { 6306 for (PackageSetting ps : mSettings.mPackages.values()) { 6307 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6308 } 6309 } else { 6310 for (PackageParser.Package pkg : mPackages.values()) { 6311 PackageSetting ps = (PackageSetting)pkg.mExtras; 6312 if (ps != null) { 6313 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6314 userId); 6315 } 6316 } 6317 } 6318 6319 return new ParceledListSlice<PackageInfo>(list); 6320 } 6321 } 6322 6323 @Override 6324 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6325 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6326 flags = updateFlagsForApplication(flags, userId, null); 6327 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6328 6329 // writer 6330 synchronized (mPackages) { 6331 ArrayList<ApplicationInfo> list; 6332 if (listUninstalled) { 6333 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6334 for (PackageSetting ps : mSettings.mPackages.values()) { 6335 ApplicationInfo ai; 6336 if (ps.pkg != null) { 6337 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6338 ps.readUserState(userId), userId); 6339 } else { 6340 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6341 } 6342 if (ai != null) { 6343 list.add(ai); 6344 } 6345 } 6346 } else { 6347 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6348 for (PackageParser.Package p : mPackages.values()) { 6349 if (p.mExtras != null) { 6350 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6351 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6352 if (ai != null) { 6353 list.add(ai); 6354 } 6355 } 6356 } 6357 } 6358 6359 return new ParceledListSlice<ApplicationInfo>(list); 6360 } 6361 } 6362 6363 @Override 6364 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6365 if (DISABLE_EPHEMERAL_APPS) { 6366 return null; 6367 } 6368 6369 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6370 "getEphemeralApplications"); 6371 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6372 true /* requireFullPermission */, false /* checkShell */, 6373 "getEphemeralApplications"); 6374 synchronized (mPackages) { 6375 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6376 .getEphemeralApplicationsLPw(userId); 6377 if (ephemeralApps != null) { 6378 return new ParceledListSlice<>(ephemeralApps); 6379 } 6380 } 6381 return null; 6382 } 6383 6384 @Override 6385 public boolean isEphemeralApplication(String packageName, int userId) { 6386 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6387 true /* requireFullPermission */, false /* checkShell */, 6388 "isEphemeral"); 6389 if (DISABLE_EPHEMERAL_APPS) { 6390 return false; 6391 } 6392 6393 if (!isCallerSameApp(packageName)) { 6394 return false; 6395 } 6396 synchronized (mPackages) { 6397 PackageParser.Package pkg = mPackages.get(packageName); 6398 if (pkg != null) { 6399 return pkg.applicationInfo.isEphemeralApp(); 6400 } 6401 } 6402 return false; 6403 } 6404 6405 @Override 6406 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6407 if (DISABLE_EPHEMERAL_APPS) { 6408 return null; 6409 } 6410 6411 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6412 true /* requireFullPermission */, false /* checkShell */, 6413 "getCookie"); 6414 if (!isCallerSameApp(packageName)) { 6415 return null; 6416 } 6417 synchronized (mPackages) { 6418 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6419 packageName, userId); 6420 } 6421 } 6422 6423 @Override 6424 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6425 if (DISABLE_EPHEMERAL_APPS) { 6426 return true; 6427 } 6428 6429 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6430 true /* requireFullPermission */, true /* checkShell */, 6431 "setCookie"); 6432 if (!isCallerSameApp(packageName)) { 6433 return false; 6434 } 6435 synchronized (mPackages) { 6436 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6437 packageName, cookie, userId); 6438 } 6439 } 6440 6441 @Override 6442 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6443 if (DISABLE_EPHEMERAL_APPS) { 6444 return null; 6445 } 6446 6447 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6448 "getEphemeralApplicationIcon"); 6449 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6450 true /* requireFullPermission */, false /* checkShell */, 6451 "getEphemeralApplicationIcon"); 6452 synchronized (mPackages) { 6453 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6454 packageName, userId); 6455 } 6456 } 6457 6458 private boolean isCallerSameApp(String packageName) { 6459 PackageParser.Package pkg = mPackages.get(packageName); 6460 return pkg != null 6461 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6462 } 6463 6464 @Override 6465 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6466 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6467 } 6468 6469 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6470 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6471 6472 // reader 6473 synchronized (mPackages) { 6474 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6475 final int userId = UserHandle.getCallingUserId(); 6476 while (i.hasNext()) { 6477 final PackageParser.Package p = i.next(); 6478 if (p.applicationInfo == null) continue; 6479 6480 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6481 && !p.applicationInfo.isDirectBootAware(); 6482 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6483 && p.applicationInfo.isDirectBootAware(); 6484 6485 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6486 && (!mSafeMode || isSystemApp(p)) 6487 && (matchesUnaware || matchesAware)) { 6488 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6489 if (ps != null) { 6490 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6491 ps.readUserState(userId), userId); 6492 if (ai != null) { 6493 finalList.add(ai); 6494 } 6495 } 6496 } 6497 } 6498 } 6499 6500 return finalList; 6501 } 6502 6503 @Override 6504 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6505 if (!sUserManager.exists(userId)) return null; 6506 flags = updateFlagsForComponent(flags, userId, name); 6507 // reader 6508 synchronized (mPackages) { 6509 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6510 PackageSetting ps = provider != null 6511 ? mSettings.mPackages.get(provider.owner.packageName) 6512 : null; 6513 return ps != null 6514 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6515 ? PackageParser.generateProviderInfo(provider, flags, 6516 ps.readUserState(userId), userId) 6517 : null; 6518 } 6519 } 6520 6521 /** 6522 * @deprecated 6523 */ 6524 @Deprecated 6525 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6526 // reader 6527 synchronized (mPackages) { 6528 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6529 .entrySet().iterator(); 6530 final int userId = UserHandle.getCallingUserId(); 6531 while (i.hasNext()) { 6532 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6533 PackageParser.Provider p = entry.getValue(); 6534 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6535 6536 if (ps != null && p.syncable 6537 && (!mSafeMode || (p.info.applicationInfo.flags 6538 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6539 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6540 ps.readUserState(userId), userId); 6541 if (info != null) { 6542 outNames.add(entry.getKey()); 6543 outInfo.add(info); 6544 } 6545 } 6546 } 6547 } 6548 } 6549 6550 @Override 6551 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6552 int uid, int flags) { 6553 final int userId = processName != null ? UserHandle.getUserId(uid) 6554 : UserHandle.getCallingUserId(); 6555 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6556 flags = updateFlagsForComponent(flags, userId, processName); 6557 6558 ArrayList<ProviderInfo> finalList = null; 6559 // reader 6560 synchronized (mPackages) { 6561 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6562 while (i.hasNext()) { 6563 final PackageParser.Provider p = i.next(); 6564 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6565 if (ps != null && p.info.authority != null 6566 && (processName == null 6567 || (p.info.processName.equals(processName) 6568 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6569 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6570 if (finalList == null) { 6571 finalList = new ArrayList<ProviderInfo>(3); 6572 } 6573 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6574 ps.readUserState(userId), userId); 6575 if (info != null) { 6576 finalList.add(info); 6577 } 6578 } 6579 } 6580 } 6581 6582 if (finalList != null) { 6583 Collections.sort(finalList, mProviderInitOrderSorter); 6584 return new ParceledListSlice<ProviderInfo>(finalList); 6585 } 6586 6587 return ParceledListSlice.emptyList(); 6588 } 6589 6590 @Override 6591 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6592 // reader 6593 synchronized (mPackages) { 6594 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6595 return PackageParser.generateInstrumentationInfo(i, flags); 6596 } 6597 } 6598 6599 @Override 6600 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6601 String targetPackage, int flags) { 6602 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6603 } 6604 6605 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6606 int flags) { 6607 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6608 6609 // reader 6610 synchronized (mPackages) { 6611 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6612 while (i.hasNext()) { 6613 final PackageParser.Instrumentation p = i.next(); 6614 if (targetPackage == null 6615 || targetPackage.equals(p.info.targetPackage)) { 6616 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6617 flags); 6618 if (ii != null) { 6619 finalList.add(ii); 6620 } 6621 } 6622 } 6623 } 6624 6625 return finalList; 6626 } 6627 6628 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6629 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6630 if (overlays == null) { 6631 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6632 return; 6633 } 6634 for (PackageParser.Package opkg : overlays.values()) { 6635 // Not much to do if idmap fails: we already logged the error 6636 // and we certainly don't want to abort installation of pkg simply 6637 // because an overlay didn't fit properly. For these reasons, 6638 // ignore the return value of createIdmapForPackagePairLI. 6639 createIdmapForPackagePairLI(pkg, opkg); 6640 } 6641 } 6642 6643 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6644 PackageParser.Package opkg) { 6645 if (!opkg.mTrustedOverlay) { 6646 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6647 opkg.baseCodePath + ": overlay not trusted"); 6648 return false; 6649 } 6650 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6651 if (overlaySet == null) { 6652 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6653 opkg.baseCodePath + " but target package has no known overlays"); 6654 return false; 6655 } 6656 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6657 // TODO: generate idmap for split APKs 6658 try { 6659 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6660 } catch (InstallerException e) { 6661 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6662 + opkg.baseCodePath); 6663 return false; 6664 } 6665 PackageParser.Package[] overlayArray = 6666 overlaySet.values().toArray(new PackageParser.Package[0]); 6667 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6668 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6669 return p1.mOverlayPriority - p2.mOverlayPriority; 6670 } 6671 }; 6672 Arrays.sort(overlayArray, cmp); 6673 6674 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6675 int i = 0; 6676 for (PackageParser.Package p : overlayArray) { 6677 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6678 } 6679 return true; 6680 } 6681 6682 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6683 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6684 try { 6685 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6686 } finally { 6687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6688 } 6689 } 6690 6691 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6692 final File[] files = dir.listFiles(); 6693 if (ArrayUtils.isEmpty(files)) { 6694 Log.d(TAG, "No files in app dir " + dir); 6695 return; 6696 } 6697 6698 if (DEBUG_PACKAGE_SCANNING) { 6699 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6700 + " flags=0x" + Integer.toHexString(parseFlags)); 6701 } 6702 6703 for (File file : files) { 6704 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6705 && !PackageInstallerService.isStageName(file.getName()); 6706 if (!isPackage) { 6707 // Ignore entries which are not packages 6708 continue; 6709 } 6710 try { 6711 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6712 scanFlags, currentTime, null); 6713 } catch (PackageManagerException e) { 6714 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6715 6716 // Delete invalid userdata apps 6717 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6718 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6719 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6720 removeCodePathLI(file); 6721 } 6722 } 6723 } 6724 } 6725 6726 private static File getSettingsProblemFile() { 6727 File dataDir = Environment.getDataDirectory(); 6728 File systemDir = new File(dataDir, "system"); 6729 File fname = new File(systemDir, "uiderrors.txt"); 6730 return fname; 6731 } 6732 6733 static void reportSettingsProblem(int priority, String msg) { 6734 logCriticalInfo(priority, msg); 6735 } 6736 6737 static void logCriticalInfo(int priority, String msg) { 6738 Slog.println(priority, TAG, msg); 6739 EventLogTags.writePmCriticalInfo(msg); 6740 try { 6741 File fname = getSettingsProblemFile(); 6742 FileOutputStream out = new FileOutputStream(fname, true); 6743 PrintWriter pw = new FastPrintWriter(out); 6744 SimpleDateFormat formatter = new SimpleDateFormat(); 6745 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6746 pw.println(dateString + ": " + msg); 6747 pw.close(); 6748 FileUtils.setPermissions( 6749 fname.toString(), 6750 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6751 -1, -1); 6752 } catch (java.io.IOException e) { 6753 } 6754 } 6755 6756 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6757 final int policyFlags) throws PackageManagerException { 6758 if (ps != null 6759 && ps.codePath.equals(srcFile) 6760 && ps.timeStamp == srcFile.lastModified() 6761 && !isCompatSignatureUpdateNeeded(pkg) 6762 && !isRecoverSignatureUpdateNeeded(pkg)) { 6763 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6764 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6765 ArraySet<PublicKey> signingKs; 6766 synchronized (mPackages) { 6767 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6768 } 6769 if (ps.signatures.mSignatures != null 6770 && ps.signatures.mSignatures.length != 0 6771 && signingKs != null) { 6772 // Optimization: reuse the existing cached certificates 6773 // if the package appears to be unchanged. 6774 pkg.mSignatures = ps.signatures.mSignatures; 6775 pkg.mSigningKeys = signingKs; 6776 return; 6777 } 6778 6779 Slog.w(TAG, "PackageSetting for " + ps.name 6780 + " is missing signatures. Collecting certs again to recover them."); 6781 } else { 6782 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6783 } 6784 6785 try { 6786 PackageParser.collectCertificates(pkg, policyFlags); 6787 } catch (PackageParserException e) { 6788 throw PackageManagerException.from(e); 6789 } 6790 } 6791 6792 /** 6793 * Traces a package scan. 6794 * @see #scanPackageLI(File, int, int, long, UserHandle) 6795 */ 6796 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6797 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6798 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6799 try { 6800 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6801 } finally { 6802 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6803 } 6804 } 6805 6806 /** 6807 * Scans a package and returns the newly parsed package. 6808 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6809 */ 6810 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6811 long currentTime, UserHandle user) throws PackageManagerException { 6812 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6813 PackageParser pp = new PackageParser(); 6814 pp.setSeparateProcesses(mSeparateProcesses); 6815 pp.setOnlyCoreApps(mOnlyCore); 6816 pp.setDisplayMetrics(mMetrics); 6817 6818 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6819 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6820 } 6821 6822 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6823 final PackageParser.Package pkg; 6824 try { 6825 pkg = pp.parsePackage(scanFile, parseFlags); 6826 } catch (PackageParserException e) { 6827 throw PackageManagerException.from(e); 6828 } finally { 6829 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6830 } 6831 6832 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6833 } 6834 6835 /** 6836 * Scans a package and returns the newly parsed package. 6837 * @throws PackageManagerException on a parse error. 6838 */ 6839 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6840 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6841 throws PackageManagerException { 6842 // If the package has children and this is the first dive in the function 6843 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6844 // packages (parent and children) would be successfully scanned before the 6845 // actual scan since scanning mutates internal state and we want to atomically 6846 // install the package and its children. 6847 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6848 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6849 scanFlags |= SCAN_CHECK_ONLY; 6850 } 6851 } else { 6852 scanFlags &= ~SCAN_CHECK_ONLY; 6853 } 6854 6855 // Scan the parent 6856 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6857 scanFlags, currentTime, user); 6858 6859 // Scan the children 6860 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6861 for (int i = 0; i < childCount; i++) { 6862 PackageParser.Package childPackage = pkg.childPackages.get(i); 6863 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6864 currentTime, user); 6865 } 6866 6867 6868 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6869 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6870 } 6871 6872 return scannedPkg; 6873 } 6874 6875 /** 6876 * Scans a package and returns the newly parsed package. 6877 * @throws PackageManagerException on a parse error. 6878 */ 6879 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6880 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6881 throws PackageManagerException { 6882 PackageSetting ps = null; 6883 PackageSetting updatedPkg; 6884 // reader 6885 synchronized (mPackages) { 6886 // Look to see if we already know about this package. 6887 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6888 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6889 // This package has been renamed to its original name. Let's 6890 // use that. 6891 ps = mSettings.peekPackageLPr(oldName); 6892 } 6893 // If there was no original package, see one for the real package name. 6894 if (ps == null) { 6895 ps = mSettings.peekPackageLPr(pkg.packageName); 6896 } 6897 // Check to see if this package could be hiding/updating a system 6898 // package. Must look for it either under the original or real 6899 // package name depending on our state. 6900 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6901 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6902 6903 // If this is a package we don't know about on the system partition, we 6904 // may need to remove disabled child packages on the system partition 6905 // or may need to not add child packages if the parent apk is updated 6906 // on the data partition and no longer defines this child package. 6907 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6908 // If this is a parent package for an updated system app and this system 6909 // app got an OTA update which no longer defines some of the child packages 6910 // we have to prune them from the disabled system packages. 6911 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6912 if (disabledPs != null) { 6913 final int scannedChildCount = (pkg.childPackages != null) 6914 ? pkg.childPackages.size() : 0; 6915 final int disabledChildCount = disabledPs.childPackageNames != null 6916 ? disabledPs.childPackageNames.size() : 0; 6917 for (int i = 0; i < disabledChildCount; i++) { 6918 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6919 boolean disabledPackageAvailable = false; 6920 for (int j = 0; j < scannedChildCount; j++) { 6921 PackageParser.Package childPkg = pkg.childPackages.get(j); 6922 if (childPkg.packageName.equals(disabledChildPackageName)) { 6923 disabledPackageAvailable = true; 6924 break; 6925 } 6926 } 6927 if (!disabledPackageAvailable) { 6928 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6929 } 6930 } 6931 } 6932 } 6933 } 6934 6935 boolean updatedPkgBetter = false; 6936 // First check if this is a system package that may involve an update 6937 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6938 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6939 // it needs to drop FLAG_PRIVILEGED. 6940 if (locationIsPrivileged(scanFile)) { 6941 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6942 } else { 6943 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6944 } 6945 6946 if (ps != null && !ps.codePath.equals(scanFile)) { 6947 // The path has changed from what was last scanned... check the 6948 // version of the new path against what we have stored to determine 6949 // what to do. 6950 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6951 if (pkg.mVersionCode <= ps.versionCode) { 6952 // The system package has been updated and the code path does not match 6953 // Ignore entry. Skip it. 6954 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6955 + " ignored: updated version " + ps.versionCode 6956 + " better than this " + pkg.mVersionCode); 6957 if (!updatedPkg.codePath.equals(scanFile)) { 6958 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6959 + ps.name + " changing from " + updatedPkg.codePathString 6960 + " to " + scanFile); 6961 updatedPkg.codePath = scanFile; 6962 updatedPkg.codePathString = scanFile.toString(); 6963 updatedPkg.resourcePath = scanFile; 6964 updatedPkg.resourcePathString = scanFile.toString(); 6965 } 6966 updatedPkg.pkg = pkg; 6967 updatedPkg.versionCode = pkg.mVersionCode; 6968 6969 // Update the disabled system child packages to point to the package too. 6970 final int childCount = updatedPkg.childPackageNames != null 6971 ? updatedPkg.childPackageNames.size() : 0; 6972 for (int i = 0; i < childCount; i++) { 6973 String childPackageName = updatedPkg.childPackageNames.get(i); 6974 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6975 childPackageName); 6976 if (updatedChildPkg != null) { 6977 updatedChildPkg.pkg = pkg; 6978 updatedChildPkg.versionCode = pkg.mVersionCode; 6979 } 6980 } 6981 6982 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6983 + scanFile + " ignored: updated version " + ps.versionCode 6984 + " better than this " + pkg.mVersionCode); 6985 } else { 6986 // The current app on the system partition is better than 6987 // what we have updated to on the data partition; switch 6988 // back to the system partition version. 6989 // At this point, its safely assumed that package installation for 6990 // apps in system partition will go through. If not there won't be a working 6991 // version of the app 6992 // writer 6993 synchronized (mPackages) { 6994 // Just remove the loaded entries from package lists. 6995 mPackages.remove(ps.name); 6996 } 6997 6998 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6999 + " reverting from " + ps.codePathString 7000 + ": new version " + pkg.mVersionCode 7001 + " better than installed " + ps.versionCode); 7002 7003 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7004 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7005 synchronized (mInstallLock) { 7006 args.cleanUpResourcesLI(); 7007 } 7008 synchronized (mPackages) { 7009 mSettings.enableSystemPackageLPw(ps.name); 7010 } 7011 updatedPkgBetter = true; 7012 } 7013 } 7014 } 7015 7016 if (updatedPkg != null) { 7017 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7018 // initially 7019 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7020 7021 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7022 // flag set initially 7023 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7024 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7025 } 7026 } 7027 7028 // Verify certificates against what was last scanned 7029 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7030 7031 /* 7032 * A new system app appeared, but we already had a non-system one of the 7033 * same name installed earlier. 7034 */ 7035 boolean shouldHideSystemApp = false; 7036 if (updatedPkg == null && ps != null 7037 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7038 /* 7039 * Check to make sure the signatures match first. If they don't, 7040 * wipe the installed application and its data. 7041 */ 7042 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7043 != PackageManager.SIGNATURE_MATCH) { 7044 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7045 + " signatures don't match existing userdata copy; removing"); 7046 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7047 "scanPackageInternalLI")) { 7048 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7049 } 7050 ps = null; 7051 } else { 7052 /* 7053 * If the newly-added system app is an older version than the 7054 * already installed version, hide it. It will be scanned later 7055 * and re-added like an update. 7056 */ 7057 if (pkg.mVersionCode <= ps.versionCode) { 7058 shouldHideSystemApp = true; 7059 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7060 + " but new version " + pkg.mVersionCode + " better than installed " 7061 + ps.versionCode + "; hiding system"); 7062 } else { 7063 /* 7064 * The newly found system app is a newer version that the 7065 * one previously installed. Simply remove the 7066 * already-installed application and replace it with our own 7067 * while keeping the application data. 7068 */ 7069 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7070 + " reverting from " + ps.codePathString + ": new version " 7071 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7072 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7073 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7074 synchronized (mInstallLock) { 7075 args.cleanUpResourcesLI(); 7076 } 7077 } 7078 } 7079 } 7080 7081 // The apk is forward locked (not public) if its code and resources 7082 // are kept in different files. (except for app in either system or 7083 // vendor path). 7084 // TODO grab this value from PackageSettings 7085 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7086 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7087 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7088 } 7089 } 7090 7091 // TODO: extend to support forward-locked splits 7092 String resourcePath = null; 7093 String baseResourcePath = null; 7094 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7095 if (ps != null && ps.resourcePathString != null) { 7096 resourcePath = ps.resourcePathString; 7097 baseResourcePath = ps.resourcePathString; 7098 } else { 7099 // Should not happen at all. Just log an error. 7100 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7101 } 7102 } else { 7103 resourcePath = pkg.codePath; 7104 baseResourcePath = pkg.baseCodePath; 7105 } 7106 7107 // Set application objects path explicitly. 7108 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7109 pkg.setApplicationInfoCodePath(pkg.codePath); 7110 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7111 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7112 pkg.setApplicationInfoResourcePath(resourcePath); 7113 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7114 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7115 7116 // Note that we invoke the following method only if we are about to unpack an application 7117 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7118 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7119 7120 /* 7121 * If the system app should be overridden by a previously installed 7122 * data, hide the system app now and let the /data/app scan pick it up 7123 * again. 7124 */ 7125 if (shouldHideSystemApp) { 7126 synchronized (mPackages) { 7127 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7128 } 7129 } 7130 7131 return scannedPkg; 7132 } 7133 7134 private static String fixProcessName(String defProcessName, 7135 String processName, int uid) { 7136 if (processName == null) { 7137 return defProcessName; 7138 } 7139 return processName; 7140 } 7141 7142 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7143 throws PackageManagerException { 7144 if (pkgSetting.signatures.mSignatures != null) { 7145 // Already existing package. Make sure signatures match 7146 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7147 == PackageManager.SIGNATURE_MATCH; 7148 if (!match) { 7149 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7150 == PackageManager.SIGNATURE_MATCH; 7151 } 7152 if (!match) { 7153 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7154 == PackageManager.SIGNATURE_MATCH; 7155 } 7156 if (!match) { 7157 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7158 + pkg.packageName + " signatures do not match the " 7159 + "previously installed version; ignoring!"); 7160 } 7161 } 7162 7163 // Check for shared user signatures 7164 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7165 // Already existing package. Make sure signatures match 7166 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7167 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7168 if (!match) { 7169 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7170 == PackageManager.SIGNATURE_MATCH; 7171 } 7172 if (!match) { 7173 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7174 == PackageManager.SIGNATURE_MATCH; 7175 } 7176 if (!match) { 7177 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7178 "Package " + pkg.packageName 7179 + " has no signatures that match those in shared user " 7180 + pkgSetting.sharedUser.name + "; ignoring!"); 7181 } 7182 } 7183 } 7184 7185 /** 7186 * Enforces that only the system UID or root's UID can call a method exposed 7187 * via Binder. 7188 * 7189 * @param message used as message if SecurityException is thrown 7190 * @throws SecurityException if the caller is not system or root 7191 */ 7192 private static final void enforceSystemOrRoot(String message) { 7193 final int uid = Binder.getCallingUid(); 7194 if (uid != Process.SYSTEM_UID && uid != 0) { 7195 throw new SecurityException(message); 7196 } 7197 } 7198 7199 @Override 7200 public void performFstrimIfNeeded() { 7201 enforceSystemOrRoot("Only the system can request fstrim"); 7202 7203 // Before everything else, see whether we need to fstrim. 7204 try { 7205 IMountService ms = PackageHelper.getMountService(); 7206 if (ms != null) { 7207 final boolean isUpgrade = isUpgrade(); 7208 boolean doTrim = isUpgrade; 7209 if (doTrim) { 7210 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7211 } else { 7212 final long interval = android.provider.Settings.Global.getLong( 7213 mContext.getContentResolver(), 7214 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7215 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7216 if (interval > 0) { 7217 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7218 if (timeSinceLast > interval) { 7219 doTrim = true; 7220 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7221 + "; running immediately"); 7222 } 7223 } 7224 } 7225 if (doTrim) { 7226 if (!isFirstBoot()) { 7227 try { 7228 ActivityManagerNative.getDefault().showBootMessage( 7229 mContext.getResources().getString( 7230 R.string.android_upgrading_fstrim), true); 7231 } catch (RemoteException e) { 7232 } 7233 } 7234 ms.runMaintenance(); 7235 } 7236 } else { 7237 Slog.e(TAG, "Mount service unavailable!"); 7238 } 7239 } catch (RemoteException e) { 7240 // Can't happen; MountService is local 7241 } 7242 } 7243 7244 @Override 7245 public void updatePackagesIfNeeded() { 7246 enforceSystemOrRoot("Only the system can request package update"); 7247 7248 // We need to re-extract after an OTA. 7249 boolean causeUpgrade = isUpgrade(); 7250 7251 // First boot or factory reset. 7252 // Note: we also handle devices that are upgrading to N right now as if it is their 7253 // first boot, as they do not have profile data. 7254 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7255 7256 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7257 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7258 7259 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7260 return; 7261 } 7262 7263 List<PackageParser.Package> pkgs; 7264 synchronized (mPackages) { 7265 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7266 } 7267 7268 final long startTime = System.nanoTime(); 7269 final int[] stats = performDexOpt(pkgs, mIsPreNUpgrade /* showDialog */, 7270 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7271 7272 final int elapsedTimeSeconds = 7273 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7274 7275 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7276 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7277 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7278 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7279 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7280 } 7281 7282 /** 7283 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7284 * containing statistics about the invocation. The array consists of three elements, 7285 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7286 * and {@code numberOfPackagesFailed}. 7287 */ 7288 private int[] performDexOpt(List<PackageParser.Package> pkgs, boolean showDialog, 7289 String compilerFilter) { 7290 7291 int numberOfPackagesVisited = 0; 7292 int numberOfPackagesOptimized = 0; 7293 int numberOfPackagesSkipped = 0; 7294 int numberOfPackagesFailed = 0; 7295 final int numberOfPackagesToDexopt = pkgs.size(); 7296 7297 for (PackageParser.Package pkg : pkgs) { 7298 numberOfPackagesVisited++; 7299 7300 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7301 if (DEBUG_DEXOPT) { 7302 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7303 } 7304 numberOfPackagesSkipped++; 7305 continue; 7306 } 7307 7308 if (DEBUG_DEXOPT) { 7309 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7310 numberOfPackagesToDexopt + ": " + pkg.packageName); 7311 } 7312 7313 if (showDialog) { 7314 try { 7315 ActivityManagerNative.getDefault().showBootMessage( 7316 mContext.getResources().getString(R.string.android_upgrading_apk, 7317 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7318 } catch (RemoteException e) { 7319 } 7320 } 7321 7322 // checkProfiles is false to avoid merging profiles during boot which 7323 // might interfere with background compilation (b/28612421). 7324 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7325 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7326 // trade-off worth doing to save boot time work. 7327 int dexOptStatus = performDexOptTraced(pkg.packageName, 7328 false /* checkProfiles */, 7329 compilerFilter, 7330 false /* force */); 7331 switch (dexOptStatus) { 7332 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7333 numberOfPackagesOptimized++; 7334 break; 7335 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7336 numberOfPackagesSkipped++; 7337 break; 7338 case PackageDexOptimizer.DEX_OPT_FAILED: 7339 numberOfPackagesFailed++; 7340 break; 7341 default: 7342 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7343 break; 7344 } 7345 } 7346 7347 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7348 numberOfPackagesFailed }; 7349 } 7350 7351 @Override 7352 public void notifyPackageUse(String packageName, int reason) { 7353 synchronized (mPackages) { 7354 PackageParser.Package p = mPackages.get(packageName); 7355 if (p == null) { 7356 return; 7357 } 7358 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7359 } 7360 } 7361 7362 // TODO: this is not used nor needed. Delete it. 7363 @Override 7364 public boolean performDexOptIfNeeded(String packageName) { 7365 int dexOptStatus = performDexOptTraced(packageName, 7366 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7367 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7368 } 7369 7370 @Override 7371 public boolean performDexOpt(String packageName, 7372 boolean checkProfiles, int compileReason, boolean force) { 7373 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7374 getCompilerFilterForReason(compileReason), force); 7375 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7376 } 7377 7378 @Override 7379 public boolean performDexOptMode(String packageName, 7380 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7381 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7382 targetCompilerFilter, force); 7383 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7384 } 7385 7386 private int performDexOptTraced(String packageName, 7387 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7388 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7389 try { 7390 return performDexOptInternal(packageName, checkProfiles, 7391 targetCompilerFilter, force); 7392 } finally { 7393 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7394 } 7395 } 7396 7397 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7398 // if the package can now be considered up to date for the given filter. 7399 private int performDexOptInternal(String packageName, 7400 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7401 PackageParser.Package p; 7402 synchronized (mPackages) { 7403 p = mPackages.get(packageName); 7404 if (p == null) { 7405 // Package could not be found. Report failure. 7406 return PackageDexOptimizer.DEX_OPT_FAILED; 7407 } 7408 mPackageUsage.write(false); 7409 } 7410 long callingId = Binder.clearCallingIdentity(); 7411 try { 7412 synchronized (mInstallLock) { 7413 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7414 targetCompilerFilter, force); 7415 } 7416 } finally { 7417 Binder.restoreCallingIdentity(callingId); 7418 } 7419 } 7420 7421 public ArraySet<String> getOptimizablePackages() { 7422 ArraySet<String> pkgs = new ArraySet<String>(); 7423 synchronized (mPackages) { 7424 for (PackageParser.Package p : mPackages.values()) { 7425 if (PackageDexOptimizer.canOptimizePackage(p)) { 7426 pkgs.add(p.packageName); 7427 } 7428 } 7429 } 7430 return pkgs; 7431 } 7432 7433 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7434 boolean checkProfiles, String targetCompilerFilter, 7435 boolean force) { 7436 // Select the dex optimizer based on the force parameter. 7437 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7438 // allocate an object here. 7439 PackageDexOptimizer pdo = force 7440 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7441 : mPackageDexOptimizer; 7442 7443 // Optimize all dependencies first. Note: we ignore the return value and march on 7444 // on errors. 7445 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7446 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7447 if (!deps.isEmpty()) { 7448 for (PackageParser.Package depPackage : deps) { 7449 // TODO: Analyze and investigate if we (should) profile libraries. 7450 // Currently this will do a full compilation of the library by default. 7451 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7452 false /* checkProfiles */, 7453 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7454 } 7455 } 7456 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7457 targetCompilerFilter); 7458 } 7459 7460 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7461 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7462 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7463 Set<String> collectedNames = new HashSet<>(); 7464 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7465 7466 retValue.remove(p); 7467 7468 return retValue; 7469 } else { 7470 return Collections.emptyList(); 7471 } 7472 } 7473 7474 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7475 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7476 if (!collectedNames.contains(p.packageName)) { 7477 collectedNames.add(p.packageName); 7478 collected.add(p); 7479 7480 if (p.usesLibraries != null) { 7481 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7482 } 7483 if (p.usesOptionalLibraries != null) { 7484 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7485 collectedNames); 7486 } 7487 } 7488 } 7489 7490 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7491 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7492 for (String libName : libs) { 7493 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7494 if (libPkg != null) { 7495 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7496 } 7497 } 7498 } 7499 7500 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7501 synchronized (mPackages) { 7502 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7503 if (lib != null && lib.apk != null) { 7504 return mPackages.get(lib.apk); 7505 } 7506 } 7507 return null; 7508 } 7509 7510 public void shutdown() { 7511 mPackageUsage.write(true); 7512 } 7513 7514 @Override 7515 public void dumpProfiles(String packageName) { 7516 PackageParser.Package pkg; 7517 synchronized (mPackages) { 7518 pkg = mPackages.get(packageName); 7519 if (pkg == null) { 7520 throw new IllegalArgumentException("Unknown package: " + packageName); 7521 } 7522 } 7523 /* Only the shell or the app user should be able to dump profiles. */ 7524 int callingUid = Binder.getCallingUid(); 7525 if (callingUid != Process.SHELL_UID && callingUid != pkg.applicationInfo.uid) { 7526 throw new SecurityException("dumpProfiles"); 7527 } 7528 7529 synchronized (mInstallLock) { 7530 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7531 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7532 try { 7533 final File codeFile = new File(pkg.applicationInfo.getCodePath()); 7534 List<String> allCodePaths = Collections.EMPTY_LIST; 7535 if (codeFile != null && codeFile.exists()) { 7536 try { 7537 final PackageLite codePkg = PackageParser.parsePackageLite(codeFile, 0); 7538 allCodePaths = codePkg.getAllCodePaths(); 7539 } catch (PackageParserException e) { 7540 // Well, we tried. 7541 } 7542 } 7543 String gid = Integer.toString(sharedGid); 7544 String codePaths = TextUtils.join(";", allCodePaths); 7545 mInstaller.dumpProfiles(gid, packageName, codePaths); 7546 } catch (InstallerException e) { 7547 Slog.w(TAG, "Failed to dump profiles", e); 7548 } 7549 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7550 } 7551 } 7552 7553 @Override 7554 public void forceDexOpt(String packageName) { 7555 enforceSystemOrRoot("forceDexOpt"); 7556 7557 PackageParser.Package pkg; 7558 synchronized (mPackages) { 7559 pkg = mPackages.get(packageName); 7560 if (pkg == null) { 7561 throw new IllegalArgumentException("Unknown package: " + packageName); 7562 } 7563 } 7564 7565 synchronized (mInstallLock) { 7566 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7567 7568 // Whoever is calling forceDexOpt wants a fully compiled package. 7569 // Don't use profiles since that may cause compilation to be skipped. 7570 final int res = performDexOptInternalWithDependenciesLI(pkg, 7571 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7572 true /* force */); 7573 7574 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7575 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7576 throw new IllegalStateException("Failed to dexopt: " + res); 7577 } 7578 } 7579 } 7580 7581 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7582 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7583 Slog.w(TAG, "Unable to update from " + oldPkg.name 7584 + " to " + newPkg.packageName 7585 + ": old package not in system partition"); 7586 return false; 7587 } else if (mPackages.get(oldPkg.name) != null) { 7588 Slog.w(TAG, "Unable to update from " + oldPkg.name 7589 + " to " + newPkg.packageName 7590 + ": old package still exists"); 7591 return false; 7592 } 7593 return true; 7594 } 7595 7596 void removeCodePathLI(File codePath) { 7597 if (codePath.isDirectory()) { 7598 try { 7599 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7600 } catch (InstallerException e) { 7601 Slog.w(TAG, "Failed to remove code path", e); 7602 } 7603 } else { 7604 codePath.delete(); 7605 } 7606 } 7607 7608 private int[] resolveUserIds(int userId) { 7609 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7610 } 7611 7612 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7613 if (pkg == null) { 7614 Slog.wtf(TAG, "Package was null!", new Throwable()); 7615 return; 7616 } 7617 clearAppDataLeafLIF(pkg, userId, flags); 7618 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7619 for (int i = 0; i < childCount; i++) { 7620 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7621 } 7622 } 7623 7624 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7625 final PackageSetting ps; 7626 synchronized (mPackages) { 7627 ps = mSettings.mPackages.get(pkg.packageName); 7628 } 7629 for (int realUserId : resolveUserIds(userId)) { 7630 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7631 try { 7632 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7633 ceDataInode); 7634 } catch (InstallerException e) { 7635 Slog.w(TAG, String.valueOf(e)); 7636 } 7637 } 7638 } 7639 7640 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7641 if (pkg == null) { 7642 Slog.wtf(TAG, "Package was null!", new Throwable()); 7643 return; 7644 } 7645 destroyAppDataLeafLIF(pkg, userId, flags); 7646 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7647 for (int i = 0; i < childCount; i++) { 7648 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7649 } 7650 } 7651 7652 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7653 final PackageSetting ps; 7654 synchronized (mPackages) { 7655 ps = mSettings.mPackages.get(pkg.packageName); 7656 } 7657 for (int realUserId : resolveUserIds(userId)) { 7658 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7659 try { 7660 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7661 ceDataInode); 7662 } catch (InstallerException e) { 7663 Slog.w(TAG, String.valueOf(e)); 7664 } 7665 } 7666 } 7667 7668 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7669 if (pkg == null) { 7670 Slog.wtf(TAG, "Package was null!", new Throwable()); 7671 return; 7672 } 7673 destroyAppProfilesLeafLIF(pkg); 7674 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7675 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7676 for (int i = 0; i < childCount; i++) { 7677 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7678 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7679 true /* removeBaseMarker */); 7680 } 7681 } 7682 7683 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7684 boolean removeBaseMarker) { 7685 if (pkg.isForwardLocked()) { 7686 return; 7687 } 7688 7689 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7690 try { 7691 path = PackageManagerServiceUtils.realpath(new File(path)); 7692 } catch (IOException e) { 7693 // TODO: Should we return early here ? 7694 Slog.w(TAG, "Failed to get canonical path", e); 7695 continue; 7696 } 7697 7698 final String useMarker = path.replace('/', '@'); 7699 for (int realUserId : resolveUserIds(userId)) { 7700 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7701 if (removeBaseMarker) { 7702 File foreignUseMark = new File(profileDir, useMarker); 7703 if (foreignUseMark.exists()) { 7704 if (!foreignUseMark.delete()) { 7705 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7706 + pkg.packageName); 7707 } 7708 } 7709 } 7710 7711 File[] markers = profileDir.listFiles(); 7712 if (markers != null) { 7713 final String searchString = "@" + pkg.packageName + "@"; 7714 // We also delete all markers that contain the package name we're 7715 // uninstalling. These are associated with secondary dex-files belonging 7716 // to the package. Reconstructing the path of these dex files is messy 7717 // in general. 7718 for (File marker : markers) { 7719 if (marker.getName().indexOf(searchString) > 0) { 7720 if (!marker.delete()) { 7721 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7722 + pkg.packageName); 7723 } 7724 } 7725 } 7726 } 7727 } 7728 } 7729 } 7730 7731 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7732 try { 7733 mInstaller.destroyAppProfiles(pkg.packageName); 7734 } catch (InstallerException e) { 7735 Slog.w(TAG, String.valueOf(e)); 7736 } 7737 } 7738 7739 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7740 if (pkg == null) { 7741 Slog.wtf(TAG, "Package was null!", new Throwable()); 7742 return; 7743 } 7744 clearAppProfilesLeafLIF(pkg); 7745 // We don't remove the base foreign use marker when clearing profiles because 7746 // we will rename it when the app is updated. Unlike the actual profile contents, 7747 // the foreign use marker is good across installs. 7748 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7749 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7750 for (int i = 0; i < childCount; i++) { 7751 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7752 } 7753 } 7754 7755 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7756 try { 7757 mInstaller.clearAppProfiles(pkg.packageName); 7758 } catch (InstallerException e) { 7759 Slog.w(TAG, String.valueOf(e)); 7760 } 7761 } 7762 7763 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7764 long lastUpdateTime) { 7765 // Set parent install/update time 7766 PackageSetting ps = (PackageSetting) pkg.mExtras; 7767 if (ps != null) { 7768 ps.firstInstallTime = firstInstallTime; 7769 ps.lastUpdateTime = lastUpdateTime; 7770 } 7771 // Set children install/update time 7772 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7773 for (int i = 0; i < childCount; i++) { 7774 PackageParser.Package childPkg = pkg.childPackages.get(i); 7775 ps = (PackageSetting) childPkg.mExtras; 7776 if (ps != null) { 7777 ps.firstInstallTime = firstInstallTime; 7778 ps.lastUpdateTime = lastUpdateTime; 7779 } 7780 } 7781 } 7782 7783 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7784 PackageParser.Package changingLib) { 7785 if (file.path != null) { 7786 usesLibraryFiles.add(file.path); 7787 return; 7788 } 7789 PackageParser.Package p = mPackages.get(file.apk); 7790 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7791 // If we are doing this while in the middle of updating a library apk, 7792 // then we need to make sure to use that new apk for determining the 7793 // dependencies here. (We haven't yet finished committing the new apk 7794 // to the package manager state.) 7795 if (p == null || p.packageName.equals(changingLib.packageName)) { 7796 p = changingLib; 7797 } 7798 } 7799 if (p != null) { 7800 usesLibraryFiles.addAll(p.getAllCodePaths()); 7801 } 7802 } 7803 7804 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7805 PackageParser.Package changingLib) throws PackageManagerException { 7806 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7807 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7808 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7809 for (int i=0; i<N; i++) { 7810 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7811 if (file == null) { 7812 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7813 "Package " + pkg.packageName + " requires unavailable shared library " 7814 + pkg.usesLibraries.get(i) + "; failing!"); 7815 } 7816 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7817 } 7818 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7819 for (int i=0; i<N; i++) { 7820 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7821 if (file == null) { 7822 Slog.w(TAG, "Package " + pkg.packageName 7823 + " desires unavailable shared library " 7824 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7825 } else { 7826 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7827 } 7828 } 7829 N = usesLibraryFiles.size(); 7830 if (N > 0) { 7831 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7832 } else { 7833 pkg.usesLibraryFiles = null; 7834 } 7835 } 7836 } 7837 7838 private static boolean hasString(List<String> list, List<String> which) { 7839 if (list == null) { 7840 return false; 7841 } 7842 for (int i=list.size()-1; i>=0; i--) { 7843 for (int j=which.size()-1; j>=0; j--) { 7844 if (which.get(j).equals(list.get(i))) { 7845 return true; 7846 } 7847 } 7848 } 7849 return false; 7850 } 7851 7852 private void updateAllSharedLibrariesLPw() { 7853 for (PackageParser.Package pkg : mPackages.values()) { 7854 try { 7855 updateSharedLibrariesLPw(pkg, null); 7856 } catch (PackageManagerException e) { 7857 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7858 } 7859 } 7860 } 7861 7862 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7863 PackageParser.Package changingPkg) { 7864 ArrayList<PackageParser.Package> res = null; 7865 for (PackageParser.Package pkg : mPackages.values()) { 7866 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7867 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7868 if (res == null) { 7869 res = new ArrayList<PackageParser.Package>(); 7870 } 7871 res.add(pkg); 7872 try { 7873 updateSharedLibrariesLPw(pkg, changingPkg); 7874 } catch (PackageManagerException e) { 7875 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7876 } 7877 } 7878 } 7879 return res; 7880 } 7881 7882 /** 7883 * Derive the value of the {@code cpuAbiOverride} based on the provided 7884 * value and an optional stored value from the package settings. 7885 */ 7886 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7887 String cpuAbiOverride = null; 7888 7889 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7890 cpuAbiOverride = null; 7891 } else if (abiOverride != null) { 7892 cpuAbiOverride = abiOverride; 7893 } else if (settings != null) { 7894 cpuAbiOverride = settings.cpuAbiOverrideString; 7895 } 7896 7897 return cpuAbiOverride; 7898 } 7899 7900 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7901 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7902 throws PackageManagerException { 7903 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7904 // If the package has children and this is the first dive in the function 7905 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7906 // whether all packages (parent and children) would be successfully scanned 7907 // before the actual scan since scanning mutates internal state and we want 7908 // to atomically install the package and its children. 7909 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7910 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7911 scanFlags |= SCAN_CHECK_ONLY; 7912 } 7913 } else { 7914 scanFlags &= ~SCAN_CHECK_ONLY; 7915 } 7916 7917 final PackageParser.Package scannedPkg; 7918 try { 7919 // Scan the parent 7920 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7921 // Scan the children 7922 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7923 for (int i = 0; i < childCount; i++) { 7924 PackageParser.Package childPkg = pkg.childPackages.get(i); 7925 scanPackageLI(childPkg, policyFlags, 7926 scanFlags, currentTime, user); 7927 } 7928 } finally { 7929 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7930 } 7931 7932 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7933 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7934 } 7935 7936 return scannedPkg; 7937 } 7938 7939 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7940 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7941 boolean success = false; 7942 try { 7943 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7944 currentTime, user); 7945 success = true; 7946 return res; 7947 } finally { 7948 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7949 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7950 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7951 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7952 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7953 } 7954 } 7955 } 7956 7957 /** 7958 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7959 */ 7960 private static boolean apkHasCode(String fileName) { 7961 StrictJarFile jarFile = null; 7962 try { 7963 jarFile = new StrictJarFile(fileName, 7964 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7965 return jarFile.findEntry("classes.dex") != null; 7966 } catch (IOException ignore) { 7967 } finally { 7968 try { 7969 jarFile.close(); 7970 } catch (IOException ignore) {} 7971 } 7972 return false; 7973 } 7974 7975 /** 7976 * Enforces code policy for the package. This ensures that if an APK has 7977 * declared hasCode="true" in its manifest that the APK actually contains 7978 * code. 7979 * 7980 * @throws PackageManagerException If bytecode could not be found when it should exist 7981 */ 7982 private static void enforceCodePolicy(PackageParser.Package pkg) 7983 throws PackageManagerException { 7984 final boolean shouldHaveCode = 7985 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7986 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7987 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7988 "Package " + pkg.baseCodePath + " code is missing"); 7989 } 7990 7991 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7992 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7993 final boolean splitShouldHaveCode = 7994 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7995 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7996 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7997 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7998 } 7999 } 8000 } 8001 } 8002 8003 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8004 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8005 throws PackageManagerException { 8006 final File scanFile = new File(pkg.codePath); 8007 if (pkg.applicationInfo.getCodePath() == null || 8008 pkg.applicationInfo.getResourcePath() == null) { 8009 // Bail out. The resource and code paths haven't been set. 8010 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8011 "Code and resource paths haven't been set correctly"); 8012 } 8013 8014 // Apply policy 8015 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8016 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8017 if (pkg.applicationInfo.isDirectBootAware()) { 8018 // we're direct boot aware; set for all components 8019 for (PackageParser.Service s : pkg.services) { 8020 s.info.encryptionAware = s.info.directBootAware = true; 8021 } 8022 for (PackageParser.Provider p : pkg.providers) { 8023 p.info.encryptionAware = p.info.directBootAware = true; 8024 } 8025 for (PackageParser.Activity a : pkg.activities) { 8026 a.info.encryptionAware = a.info.directBootAware = true; 8027 } 8028 for (PackageParser.Activity r : pkg.receivers) { 8029 r.info.encryptionAware = r.info.directBootAware = true; 8030 } 8031 } 8032 } else { 8033 // Only allow system apps to be flagged as core apps. 8034 pkg.coreApp = false; 8035 // clear flags not applicable to regular apps 8036 pkg.applicationInfo.privateFlags &= 8037 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8038 pkg.applicationInfo.privateFlags &= 8039 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8040 } 8041 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8042 8043 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8044 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8045 } 8046 8047 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8048 enforceCodePolicy(pkg); 8049 } 8050 8051 if (mCustomResolverComponentName != null && 8052 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8053 setUpCustomResolverActivity(pkg); 8054 } 8055 8056 if (pkg.packageName.equals("android")) { 8057 synchronized (mPackages) { 8058 if (mAndroidApplication != null) { 8059 Slog.w(TAG, "*************************************************"); 8060 Slog.w(TAG, "Core android package being redefined. Skipping."); 8061 Slog.w(TAG, " file=" + scanFile); 8062 Slog.w(TAG, "*************************************************"); 8063 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8064 "Core android package being redefined. Skipping."); 8065 } 8066 8067 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8068 // Set up information for our fall-back user intent resolution activity. 8069 mPlatformPackage = pkg; 8070 pkg.mVersionCode = mSdkVersion; 8071 mAndroidApplication = pkg.applicationInfo; 8072 8073 if (!mResolverReplaced) { 8074 mResolveActivity.applicationInfo = mAndroidApplication; 8075 mResolveActivity.name = ResolverActivity.class.getName(); 8076 mResolveActivity.packageName = mAndroidApplication.packageName; 8077 mResolveActivity.processName = "system:ui"; 8078 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8079 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8080 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8081 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8082 mResolveActivity.exported = true; 8083 mResolveActivity.enabled = true; 8084 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8085 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8086 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8087 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8088 | ActivityInfo.CONFIG_ORIENTATION 8089 | ActivityInfo.CONFIG_KEYBOARD 8090 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8091 mResolveInfo.activityInfo = mResolveActivity; 8092 mResolveInfo.priority = 0; 8093 mResolveInfo.preferredOrder = 0; 8094 mResolveInfo.match = 0; 8095 mResolveComponentName = new ComponentName( 8096 mAndroidApplication.packageName, mResolveActivity.name); 8097 } 8098 } 8099 } 8100 } 8101 8102 if (DEBUG_PACKAGE_SCANNING) { 8103 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8104 Log.d(TAG, "Scanning package " + pkg.packageName); 8105 } 8106 8107 synchronized (mPackages) { 8108 if (mPackages.containsKey(pkg.packageName) 8109 || mSharedLibraries.containsKey(pkg.packageName)) { 8110 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8111 "Application package " + pkg.packageName 8112 + " already installed. Skipping duplicate."); 8113 } 8114 8115 // If we're only installing presumed-existing packages, require that the 8116 // scanned APK is both already known and at the path previously established 8117 // for it. Previously unknown packages we pick up normally, but if we have an 8118 // a priori expectation about this package's install presence, enforce it. 8119 // With a singular exception for new system packages. When an OTA contains 8120 // a new system package, we allow the codepath to change from a system location 8121 // to the user-installed location. If we don't allow this change, any newer, 8122 // user-installed version of the application will be ignored. 8123 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8124 if (mExpectingBetter.containsKey(pkg.packageName)) { 8125 logCriticalInfo(Log.WARN, 8126 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8127 } else { 8128 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8129 if (known != null) { 8130 if (DEBUG_PACKAGE_SCANNING) { 8131 Log.d(TAG, "Examining " + pkg.codePath 8132 + " and requiring known paths " + known.codePathString 8133 + " & " + known.resourcePathString); 8134 } 8135 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8136 || !pkg.applicationInfo.getResourcePath().equals( 8137 known.resourcePathString)) { 8138 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8139 "Application package " + pkg.packageName 8140 + " found at " + pkg.applicationInfo.getCodePath() 8141 + " but expected at " + known.codePathString 8142 + "; ignoring."); 8143 } 8144 } 8145 } 8146 } 8147 } 8148 8149 // Initialize package source and resource directories 8150 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8151 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8152 8153 SharedUserSetting suid = null; 8154 PackageSetting pkgSetting = null; 8155 8156 if (!isSystemApp(pkg)) { 8157 // Only system apps can use these features. 8158 pkg.mOriginalPackages = null; 8159 pkg.mRealPackage = null; 8160 pkg.mAdoptPermissions = null; 8161 } 8162 8163 // Getting the package setting may have a side-effect, so if we 8164 // are only checking if scan would succeed, stash a copy of the 8165 // old setting to restore at the end. 8166 PackageSetting nonMutatedPs = null; 8167 8168 // writer 8169 synchronized (mPackages) { 8170 if (pkg.mSharedUserId != null) { 8171 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8172 if (suid == null) { 8173 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8174 "Creating application package " + pkg.packageName 8175 + " for shared user failed"); 8176 } 8177 if (DEBUG_PACKAGE_SCANNING) { 8178 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8179 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8180 + "): packages=" + suid.packages); 8181 } 8182 } 8183 8184 // Check if we are renaming from an original package name. 8185 PackageSetting origPackage = null; 8186 String realName = null; 8187 if (pkg.mOriginalPackages != null) { 8188 // This package may need to be renamed to a previously 8189 // installed name. Let's check on that... 8190 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8191 if (pkg.mOriginalPackages.contains(renamed)) { 8192 // This package had originally been installed as the 8193 // original name, and we have already taken care of 8194 // transitioning to the new one. Just update the new 8195 // one to continue using the old name. 8196 realName = pkg.mRealPackage; 8197 if (!pkg.packageName.equals(renamed)) { 8198 // Callers into this function may have already taken 8199 // care of renaming the package; only do it here if 8200 // it is not already done. 8201 pkg.setPackageName(renamed); 8202 } 8203 8204 } else { 8205 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8206 if ((origPackage = mSettings.peekPackageLPr( 8207 pkg.mOriginalPackages.get(i))) != null) { 8208 // We do have the package already installed under its 8209 // original name... should we use it? 8210 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8211 // New package is not compatible with original. 8212 origPackage = null; 8213 continue; 8214 } else if (origPackage.sharedUser != null) { 8215 // Make sure uid is compatible between packages. 8216 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8217 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8218 + " to " + pkg.packageName + ": old uid " 8219 + origPackage.sharedUser.name 8220 + " differs from " + pkg.mSharedUserId); 8221 origPackage = null; 8222 continue; 8223 } 8224 // TODO: Add case when shared user id is added [b/28144775] 8225 } else { 8226 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8227 + pkg.packageName + " to old name " + origPackage.name); 8228 } 8229 break; 8230 } 8231 } 8232 } 8233 } 8234 8235 if (mTransferedPackages.contains(pkg.packageName)) { 8236 Slog.w(TAG, "Package " + pkg.packageName 8237 + " was transferred to another, but its .apk remains"); 8238 } 8239 8240 // See comments in nonMutatedPs declaration 8241 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8242 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8243 if (foundPs != null) { 8244 nonMutatedPs = new PackageSetting(foundPs); 8245 } 8246 } 8247 8248 // Just create the setting, don't add it yet. For already existing packages 8249 // the PkgSetting exists already and doesn't have to be created. 8250 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8251 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8252 pkg.applicationInfo.primaryCpuAbi, 8253 pkg.applicationInfo.secondaryCpuAbi, 8254 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8255 user, false); 8256 if (pkgSetting == null) { 8257 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8258 "Creating application package " + pkg.packageName + " failed"); 8259 } 8260 8261 if (pkgSetting.origPackage != null) { 8262 // If we are first transitioning from an original package, 8263 // fix up the new package's name now. We need to do this after 8264 // looking up the package under its new name, so getPackageLP 8265 // can take care of fiddling things correctly. 8266 pkg.setPackageName(origPackage.name); 8267 8268 // File a report about this. 8269 String msg = "New package " + pkgSetting.realName 8270 + " renamed to replace old package " + pkgSetting.name; 8271 reportSettingsProblem(Log.WARN, msg); 8272 8273 // Make a note of it. 8274 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8275 mTransferedPackages.add(origPackage.name); 8276 } 8277 8278 // No longer need to retain this. 8279 pkgSetting.origPackage = null; 8280 } 8281 8282 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8283 // Make a note of it. 8284 mTransferedPackages.add(pkg.packageName); 8285 } 8286 8287 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8288 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8289 } 8290 8291 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8292 // Check all shared libraries and map to their actual file path. 8293 // We only do this here for apps not on a system dir, because those 8294 // are the only ones that can fail an install due to this. We 8295 // will take care of the system apps by updating all of their 8296 // library paths after the scan is done. 8297 updateSharedLibrariesLPw(pkg, null); 8298 } 8299 8300 if (mFoundPolicyFile) { 8301 SELinuxMMAC.assignSeinfoValue(pkg); 8302 } 8303 8304 pkg.applicationInfo.uid = pkgSetting.appId; 8305 pkg.mExtras = pkgSetting; 8306 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8307 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8308 // We just determined the app is signed correctly, so bring 8309 // over the latest parsed certs. 8310 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8311 } else { 8312 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8313 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8314 "Package " + pkg.packageName + " upgrade keys do not match the " 8315 + "previously installed version"); 8316 } else { 8317 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8318 String msg = "System package " + pkg.packageName 8319 + " signature changed; retaining data."; 8320 reportSettingsProblem(Log.WARN, msg); 8321 } 8322 } 8323 } else { 8324 try { 8325 verifySignaturesLP(pkgSetting, pkg); 8326 // We just determined the app is signed correctly, so bring 8327 // over the latest parsed certs. 8328 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8329 } catch (PackageManagerException e) { 8330 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8331 throw e; 8332 } 8333 // The signature has changed, but this package is in the system 8334 // image... let's recover! 8335 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8336 // However... if this package is part of a shared user, but it 8337 // doesn't match the signature of the shared user, let's fail. 8338 // What this means is that you can't change the signatures 8339 // associated with an overall shared user, which doesn't seem all 8340 // that unreasonable. 8341 if (pkgSetting.sharedUser != null) { 8342 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8343 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8344 throw new PackageManagerException( 8345 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8346 "Signature mismatch for shared user: " 8347 + pkgSetting.sharedUser); 8348 } 8349 } 8350 // File a report about this. 8351 String msg = "System package " + pkg.packageName 8352 + " signature changed; retaining data."; 8353 reportSettingsProblem(Log.WARN, msg); 8354 } 8355 } 8356 // Verify that this new package doesn't have any content providers 8357 // that conflict with existing packages. Only do this if the 8358 // package isn't already installed, since we don't want to break 8359 // things that are installed. 8360 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8361 final int N = pkg.providers.size(); 8362 int i; 8363 for (i=0; i<N; i++) { 8364 PackageParser.Provider p = pkg.providers.get(i); 8365 if (p.info.authority != null) { 8366 String names[] = p.info.authority.split(";"); 8367 for (int j = 0; j < names.length; j++) { 8368 if (mProvidersByAuthority.containsKey(names[j])) { 8369 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8370 final String otherPackageName = 8371 ((other != null && other.getComponentName() != null) ? 8372 other.getComponentName().getPackageName() : "?"); 8373 throw new PackageManagerException( 8374 INSTALL_FAILED_CONFLICTING_PROVIDER, 8375 "Can't install because provider name " + names[j] 8376 + " (in package " + pkg.applicationInfo.packageName 8377 + ") is already used by " + otherPackageName); 8378 } 8379 } 8380 } 8381 } 8382 } 8383 8384 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8385 // This package wants to adopt ownership of permissions from 8386 // another package. 8387 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8388 final String origName = pkg.mAdoptPermissions.get(i); 8389 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8390 if (orig != null) { 8391 if (verifyPackageUpdateLPr(orig, pkg)) { 8392 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8393 + pkg.packageName); 8394 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8395 } 8396 } 8397 } 8398 } 8399 } 8400 8401 final String pkgName = pkg.packageName; 8402 8403 final long scanFileTime = scanFile.lastModified(); 8404 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8405 pkg.applicationInfo.processName = fixProcessName( 8406 pkg.applicationInfo.packageName, 8407 pkg.applicationInfo.processName, 8408 pkg.applicationInfo.uid); 8409 8410 if (pkg != mPlatformPackage) { 8411 // Get all of our default paths setup 8412 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8413 } 8414 8415 final String path = scanFile.getPath(); 8416 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8417 8418 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8419 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8420 8421 // Some system apps still use directory structure for native libraries 8422 // in which case we might end up not detecting abi solely based on apk 8423 // structure. Try to detect abi based on directory structure. 8424 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8425 pkg.applicationInfo.primaryCpuAbi == null) { 8426 setBundledAppAbisAndRoots(pkg, pkgSetting); 8427 setNativeLibraryPaths(pkg); 8428 } 8429 8430 } else { 8431 if ((scanFlags & SCAN_MOVE) != 0) { 8432 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8433 // but we already have this packages package info in the PackageSetting. We just 8434 // use that and derive the native library path based on the new codepath. 8435 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8436 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8437 } 8438 8439 // Set native library paths again. For moves, the path will be updated based on the 8440 // ABIs we've determined above. For non-moves, the path will be updated based on the 8441 // ABIs we determined during compilation, but the path will depend on the final 8442 // package path (after the rename away from the stage path). 8443 setNativeLibraryPaths(pkg); 8444 } 8445 8446 // This is a special case for the "system" package, where the ABI is 8447 // dictated by the zygote configuration (and init.rc). We should keep track 8448 // of this ABI so that we can deal with "normal" applications that run under 8449 // the same UID correctly. 8450 if (mPlatformPackage == pkg) { 8451 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8452 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8453 } 8454 8455 // If there's a mismatch between the abi-override in the package setting 8456 // and the abiOverride specified for the install. Warn about this because we 8457 // would've already compiled the app without taking the package setting into 8458 // account. 8459 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8460 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8461 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8462 " for package " + pkg.packageName); 8463 } 8464 } 8465 8466 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8467 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8468 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8469 8470 // Copy the derived override back to the parsed package, so that we can 8471 // update the package settings accordingly. 8472 pkg.cpuAbiOverride = cpuAbiOverride; 8473 8474 if (DEBUG_ABI_SELECTION) { 8475 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8476 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8477 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8478 } 8479 8480 // Push the derived path down into PackageSettings so we know what to 8481 // clean up at uninstall time. 8482 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8483 8484 if (DEBUG_ABI_SELECTION) { 8485 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8486 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8487 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8488 } 8489 8490 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8491 // We don't do this here during boot because we can do it all 8492 // at once after scanning all existing packages. 8493 // 8494 // We also do this *before* we perform dexopt on this package, so that 8495 // we can avoid redundant dexopts, and also to make sure we've got the 8496 // code and package path correct. 8497 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8498 pkg, true /* boot complete */); 8499 } 8500 8501 if (mFactoryTest && pkg.requestedPermissions.contains( 8502 android.Manifest.permission.FACTORY_TEST)) { 8503 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8504 } 8505 8506 ArrayList<PackageParser.Package> clientLibPkgs = null; 8507 8508 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8509 if (nonMutatedPs != null) { 8510 synchronized (mPackages) { 8511 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8512 } 8513 } 8514 return pkg; 8515 } 8516 8517 // Only privileged apps and updated privileged apps can add child packages. 8518 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8519 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8520 throw new PackageManagerException("Only privileged apps and updated " 8521 + "privileged apps can add child packages. Ignoring package " 8522 + pkg.packageName); 8523 } 8524 final int childCount = pkg.childPackages.size(); 8525 for (int i = 0; i < childCount; i++) { 8526 PackageParser.Package childPkg = pkg.childPackages.get(i); 8527 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8528 childPkg.packageName)) { 8529 throw new PackageManagerException("Cannot override a child package of " 8530 + "another disabled system app. Ignoring package " + pkg.packageName); 8531 } 8532 } 8533 } 8534 8535 // writer 8536 synchronized (mPackages) { 8537 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8538 // Only system apps can add new shared libraries. 8539 if (pkg.libraryNames != null) { 8540 for (int i=0; i<pkg.libraryNames.size(); i++) { 8541 String name = pkg.libraryNames.get(i); 8542 boolean allowed = false; 8543 if (pkg.isUpdatedSystemApp()) { 8544 // New library entries can only be added through the 8545 // system image. This is important to get rid of a lot 8546 // of nasty edge cases: for example if we allowed a non- 8547 // system update of the app to add a library, then uninstalling 8548 // the update would make the library go away, and assumptions 8549 // we made such as through app install filtering would now 8550 // have allowed apps on the device which aren't compatible 8551 // with it. Better to just have the restriction here, be 8552 // conservative, and create many fewer cases that can negatively 8553 // impact the user experience. 8554 final PackageSetting sysPs = mSettings 8555 .getDisabledSystemPkgLPr(pkg.packageName); 8556 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8557 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8558 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8559 allowed = true; 8560 break; 8561 } 8562 } 8563 } 8564 } else { 8565 allowed = true; 8566 } 8567 if (allowed) { 8568 if (!mSharedLibraries.containsKey(name)) { 8569 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8570 } else if (!name.equals(pkg.packageName)) { 8571 Slog.w(TAG, "Package " + pkg.packageName + " library " 8572 + name + " already exists; skipping"); 8573 } 8574 } else { 8575 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8576 + name + " that is not declared on system image; skipping"); 8577 } 8578 } 8579 if ((scanFlags & SCAN_BOOTING) == 0) { 8580 // If we are not booting, we need to update any applications 8581 // that are clients of our shared library. If we are booting, 8582 // this will all be done once the scan is complete. 8583 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8584 } 8585 } 8586 } 8587 } 8588 8589 if ((scanFlags & SCAN_BOOTING) != 0) { 8590 // No apps can run during boot scan, so they don't need to be frozen 8591 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8592 // Caller asked to not kill app, so it's probably not frozen 8593 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8594 // Caller asked us to ignore frozen check for some reason; they 8595 // probably didn't know the package name 8596 } else { 8597 // We're doing major surgery on this package, so it better be frozen 8598 // right now to keep it from launching 8599 checkPackageFrozen(pkgName); 8600 } 8601 8602 // Also need to kill any apps that are dependent on the library. 8603 if (clientLibPkgs != null) { 8604 for (int i=0; i<clientLibPkgs.size(); i++) { 8605 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8606 killApplication(clientPkg.applicationInfo.packageName, 8607 clientPkg.applicationInfo.uid, "update lib"); 8608 } 8609 } 8610 8611 // Make sure we're not adding any bogus keyset info 8612 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8613 ksms.assertScannedPackageValid(pkg); 8614 8615 // writer 8616 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8617 8618 boolean createIdmapFailed = false; 8619 synchronized (mPackages) { 8620 // We don't expect installation to fail beyond this point 8621 8622 if (pkgSetting.pkg != null) { 8623 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, user); 8624 } 8625 8626 // Add the new setting to mSettings 8627 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8628 // Add the new setting to mPackages 8629 mPackages.put(pkg.applicationInfo.packageName, pkg); 8630 // Make sure we don't accidentally delete its data. 8631 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8632 while (iter.hasNext()) { 8633 PackageCleanItem item = iter.next(); 8634 if (pkgName.equals(item.packageName)) { 8635 iter.remove(); 8636 } 8637 } 8638 8639 // Take care of first install / last update times. 8640 if (currentTime != 0) { 8641 if (pkgSetting.firstInstallTime == 0) { 8642 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8643 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8644 pkgSetting.lastUpdateTime = currentTime; 8645 } 8646 } else if (pkgSetting.firstInstallTime == 0) { 8647 // We need *something*. Take time time stamp of the file. 8648 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8649 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8650 if (scanFileTime != pkgSetting.timeStamp) { 8651 // A package on the system image has changed; consider this 8652 // to be an update. 8653 pkgSetting.lastUpdateTime = scanFileTime; 8654 } 8655 } 8656 8657 // Add the package's KeySets to the global KeySetManagerService 8658 ksms.addScannedPackageLPw(pkg); 8659 8660 int N = pkg.providers.size(); 8661 StringBuilder r = null; 8662 int i; 8663 for (i=0; i<N; i++) { 8664 PackageParser.Provider p = pkg.providers.get(i); 8665 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8666 p.info.processName, pkg.applicationInfo.uid); 8667 mProviders.addProvider(p); 8668 p.syncable = p.info.isSyncable; 8669 if (p.info.authority != null) { 8670 String names[] = p.info.authority.split(";"); 8671 p.info.authority = null; 8672 for (int j = 0; j < names.length; j++) { 8673 if (j == 1 && p.syncable) { 8674 // We only want the first authority for a provider to possibly be 8675 // syncable, so if we already added this provider using a different 8676 // authority clear the syncable flag. We copy the provider before 8677 // changing it because the mProviders object contains a reference 8678 // to a provider that we don't want to change. 8679 // Only do this for the second authority since the resulting provider 8680 // object can be the same for all future authorities for this provider. 8681 p = new PackageParser.Provider(p); 8682 p.syncable = false; 8683 } 8684 if (!mProvidersByAuthority.containsKey(names[j])) { 8685 mProvidersByAuthority.put(names[j], p); 8686 if (p.info.authority == null) { 8687 p.info.authority = names[j]; 8688 } else { 8689 p.info.authority = p.info.authority + ";" + names[j]; 8690 } 8691 if (DEBUG_PACKAGE_SCANNING) { 8692 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8693 Log.d(TAG, "Registered content provider: " + names[j] 8694 + ", className = " + p.info.name + ", isSyncable = " 8695 + p.info.isSyncable); 8696 } 8697 } else { 8698 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8699 Slog.w(TAG, "Skipping provider name " + names[j] + 8700 " (in package " + pkg.applicationInfo.packageName + 8701 "): name already used by " 8702 + ((other != null && other.getComponentName() != null) 8703 ? other.getComponentName().getPackageName() : "?")); 8704 } 8705 } 8706 } 8707 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8708 if (r == null) { 8709 r = new StringBuilder(256); 8710 } else { 8711 r.append(' '); 8712 } 8713 r.append(p.info.name); 8714 } 8715 } 8716 if (r != null) { 8717 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8718 } 8719 8720 N = pkg.services.size(); 8721 r = null; 8722 for (i=0; i<N; i++) { 8723 PackageParser.Service s = pkg.services.get(i); 8724 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8725 s.info.processName, pkg.applicationInfo.uid); 8726 mServices.addService(s); 8727 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8728 if (r == null) { 8729 r = new StringBuilder(256); 8730 } else { 8731 r.append(' '); 8732 } 8733 r.append(s.info.name); 8734 } 8735 } 8736 if (r != null) { 8737 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8738 } 8739 8740 N = pkg.receivers.size(); 8741 r = null; 8742 for (i=0; i<N; i++) { 8743 PackageParser.Activity a = pkg.receivers.get(i); 8744 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8745 a.info.processName, pkg.applicationInfo.uid); 8746 mReceivers.addActivity(a, "receiver"); 8747 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8748 if (r == null) { 8749 r = new StringBuilder(256); 8750 } else { 8751 r.append(' '); 8752 } 8753 r.append(a.info.name); 8754 } 8755 } 8756 if (r != null) { 8757 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8758 } 8759 8760 N = pkg.activities.size(); 8761 r = null; 8762 for (i=0; i<N; i++) { 8763 PackageParser.Activity a = pkg.activities.get(i); 8764 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8765 a.info.processName, pkg.applicationInfo.uid); 8766 mActivities.addActivity(a, "activity"); 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(a.info.name); 8774 } 8775 } 8776 if (r != null) { 8777 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8778 } 8779 8780 N = pkg.permissionGroups.size(); 8781 r = null; 8782 for (i=0; i<N; i++) { 8783 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8784 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8785 if (cur == null) { 8786 mPermissionGroups.put(pg.info.name, pg); 8787 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8788 if (r == null) { 8789 r = new StringBuilder(256); 8790 } else { 8791 r.append(' '); 8792 } 8793 r.append(pg.info.name); 8794 } 8795 } else { 8796 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8797 + pg.info.packageName + " ignored: original from " 8798 + cur.info.packageName); 8799 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8800 if (r == null) { 8801 r = new StringBuilder(256); 8802 } else { 8803 r.append(' '); 8804 } 8805 r.append("DUP:"); 8806 r.append(pg.info.name); 8807 } 8808 } 8809 } 8810 if (r != null) { 8811 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8812 } 8813 8814 N = pkg.permissions.size(); 8815 r = null; 8816 for (i=0; i<N; i++) { 8817 PackageParser.Permission p = pkg.permissions.get(i); 8818 8819 // Assume by default that we did not install this permission into the system. 8820 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8821 8822 // Now that permission groups have a special meaning, we ignore permission 8823 // groups for legacy apps to prevent unexpected behavior. In particular, 8824 // permissions for one app being granted to someone just becase they happen 8825 // to be in a group defined by another app (before this had no implications). 8826 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8827 p.group = mPermissionGroups.get(p.info.group); 8828 // Warn for a permission in an unknown group. 8829 if (p.info.group != null && p.group == null) { 8830 Slog.w(TAG, "Permission " + p.info.name + " from package " 8831 + p.info.packageName + " in an unknown group " + p.info.group); 8832 } 8833 } 8834 8835 ArrayMap<String, BasePermission> permissionMap = 8836 p.tree ? mSettings.mPermissionTrees 8837 : mSettings.mPermissions; 8838 BasePermission bp = permissionMap.get(p.info.name); 8839 8840 // Allow system apps to redefine non-system permissions 8841 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8842 final boolean currentOwnerIsSystem = (bp.perm != null 8843 && isSystemApp(bp.perm.owner)); 8844 if (isSystemApp(p.owner)) { 8845 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8846 // It's a built-in permission and no owner, take ownership now 8847 bp.packageSetting = pkgSetting; 8848 bp.perm = p; 8849 bp.uid = pkg.applicationInfo.uid; 8850 bp.sourcePackage = p.info.packageName; 8851 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8852 } else if (!currentOwnerIsSystem) { 8853 String msg = "New decl " + p.owner + " of permission " 8854 + p.info.name + " is system; overriding " + bp.sourcePackage; 8855 reportSettingsProblem(Log.WARN, msg); 8856 bp = null; 8857 } 8858 } 8859 } 8860 8861 if (bp == null) { 8862 bp = new BasePermission(p.info.name, p.info.packageName, 8863 BasePermission.TYPE_NORMAL); 8864 permissionMap.put(p.info.name, bp); 8865 } 8866 8867 if (bp.perm == null) { 8868 if (bp.sourcePackage == null 8869 || bp.sourcePackage.equals(p.info.packageName)) { 8870 BasePermission tree = findPermissionTreeLP(p.info.name); 8871 if (tree == null 8872 || tree.sourcePackage.equals(p.info.packageName)) { 8873 bp.packageSetting = pkgSetting; 8874 bp.perm = p; 8875 bp.uid = pkg.applicationInfo.uid; 8876 bp.sourcePackage = p.info.packageName; 8877 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8878 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8879 if (r == null) { 8880 r = new StringBuilder(256); 8881 } else { 8882 r.append(' '); 8883 } 8884 r.append(p.info.name); 8885 } 8886 } else { 8887 Slog.w(TAG, "Permission " + p.info.name + " from package " 8888 + p.info.packageName + " ignored: base tree " 8889 + tree.name + " is from package " 8890 + tree.sourcePackage); 8891 } 8892 } else { 8893 Slog.w(TAG, "Permission " + p.info.name + " from package " 8894 + p.info.packageName + " ignored: original from " 8895 + bp.sourcePackage); 8896 } 8897 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8898 if (r == null) { 8899 r = new StringBuilder(256); 8900 } else { 8901 r.append(' '); 8902 } 8903 r.append("DUP:"); 8904 r.append(p.info.name); 8905 } 8906 if (bp.perm == p) { 8907 bp.protectionLevel = p.info.protectionLevel; 8908 } 8909 } 8910 8911 if (r != null) { 8912 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8913 } 8914 8915 N = pkg.instrumentation.size(); 8916 r = null; 8917 for (i=0; i<N; i++) { 8918 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8919 a.info.packageName = pkg.applicationInfo.packageName; 8920 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8921 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8922 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8923 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8924 a.info.dataDir = pkg.applicationInfo.dataDir; 8925 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8926 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8927 8928 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8929 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8930 mInstrumentation.put(a.getComponentName(), a); 8931 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8932 if (r == null) { 8933 r = new StringBuilder(256); 8934 } else { 8935 r.append(' '); 8936 } 8937 r.append(a.info.name); 8938 } 8939 } 8940 if (r != null) { 8941 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8942 } 8943 8944 if (pkg.protectedBroadcasts != null) { 8945 N = pkg.protectedBroadcasts.size(); 8946 for (i=0; i<N; i++) { 8947 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8948 } 8949 } 8950 8951 pkgSetting.setTimeStamp(scanFileTime); 8952 8953 // Create idmap files for pairs of (packages, overlay packages). 8954 // Note: "android", ie framework-res.apk, is handled by native layers. 8955 if (pkg.mOverlayTarget != null) { 8956 // This is an overlay package. 8957 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8958 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8959 mOverlays.put(pkg.mOverlayTarget, 8960 new ArrayMap<String, PackageParser.Package>()); 8961 } 8962 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8963 map.put(pkg.packageName, pkg); 8964 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8965 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8966 createIdmapFailed = true; 8967 } 8968 } 8969 } else if (mOverlays.containsKey(pkg.packageName) && 8970 !pkg.packageName.equals("android")) { 8971 // This is a regular package, with one or more known overlay packages. 8972 createIdmapsForPackageLI(pkg); 8973 } 8974 } 8975 8976 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8977 8978 if (createIdmapFailed) { 8979 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8980 "scanPackageLI failed to createIdmap"); 8981 } 8982 return pkg; 8983 } 8984 8985 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8986 PackageParser.Package update, UserHandle user) { 8987 if (existing.applicationInfo == null || update.applicationInfo == null) { 8988 // This isn't due to an app installation. 8989 return; 8990 } 8991 8992 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8993 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8994 8995 // The codePath hasn't changed, so there's nothing for us to do. 8996 if (Objects.equals(oldCodePath, newCodePath)) { 8997 return; 8998 } 8999 9000 File canonicalNewCodePath; 9001 try { 9002 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9003 } catch (IOException e) { 9004 Slog.w(TAG, "Failed to get canonical path.", e); 9005 return; 9006 } 9007 9008 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9009 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9010 // that the last component of the path (i.e, the name) doesn't need canonicalization 9011 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9012 // but may change in the future. Hopefully this function won't exist at that point. 9013 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9014 oldCodePath.getName()); 9015 9016 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9017 // with "@". 9018 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9019 if (!oldMarkerPrefix.endsWith("@")) { 9020 oldMarkerPrefix += "@"; 9021 } 9022 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9023 if (!newMarkerPrefix.endsWith("@")) { 9024 newMarkerPrefix += "@"; 9025 } 9026 9027 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9028 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9029 for (String updatedPath : updatedPaths) { 9030 String updatedPathName = new File(updatedPath).getName(); 9031 markerSuffixes.add(updatedPathName.replace('/', '@')); 9032 } 9033 9034 for (int userId : resolveUserIds(user.getIdentifier())) { 9035 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9036 9037 for (String markerSuffix : markerSuffixes) { 9038 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9039 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9040 if (oldForeignUseMark.exists()) { 9041 try { 9042 Os.rename(oldForeignUseMark.getAbsolutePath(), 9043 newForeignUseMark.getAbsolutePath()); 9044 } catch (ErrnoException e) { 9045 Slog.w(TAG, "Failed to rename foreign use marker", e); 9046 oldForeignUseMark.delete(); 9047 } 9048 } 9049 } 9050 } 9051 } 9052 9053 /** 9054 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9055 * is derived purely on the basis of the contents of {@code scanFile} and 9056 * {@code cpuAbiOverride}. 9057 * 9058 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9059 */ 9060 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9061 String cpuAbiOverride, boolean extractLibs) 9062 throws PackageManagerException { 9063 // TODO: We can probably be smarter about this stuff. For installed apps, 9064 // we can calculate this information at install time once and for all. For 9065 // system apps, we can probably assume that this information doesn't change 9066 // after the first boot scan. As things stand, we do lots of unnecessary work. 9067 9068 // Give ourselves some initial paths; we'll come back for another 9069 // pass once we've determined ABI below. 9070 setNativeLibraryPaths(pkg); 9071 9072 // We would never need to extract libs for forward-locked and external packages, 9073 // since the container service will do it for us. We shouldn't attempt to 9074 // extract libs from system app when it was not updated. 9075 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9076 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9077 extractLibs = false; 9078 } 9079 9080 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9081 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9082 9083 NativeLibraryHelper.Handle handle = null; 9084 try { 9085 handle = NativeLibraryHelper.Handle.create(pkg); 9086 // TODO(multiArch): This can be null for apps that didn't go through the 9087 // usual installation process. We can calculate it again, like we 9088 // do during install time. 9089 // 9090 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9091 // unnecessary. 9092 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9093 9094 // Null out the abis so that they can be recalculated. 9095 pkg.applicationInfo.primaryCpuAbi = null; 9096 pkg.applicationInfo.secondaryCpuAbi = null; 9097 if (isMultiArch(pkg.applicationInfo)) { 9098 // Warn if we've set an abiOverride for multi-lib packages.. 9099 // By definition, we need to copy both 32 and 64 bit libraries for 9100 // such packages. 9101 if (pkg.cpuAbiOverride != null 9102 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9103 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9104 } 9105 9106 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9107 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9108 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9109 if (extractLibs) { 9110 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9111 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9112 useIsaSpecificSubdirs); 9113 } else { 9114 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9115 } 9116 } 9117 9118 maybeThrowExceptionForMultiArchCopy( 9119 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9120 9121 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9122 if (extractLibs) { 9123 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9124 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9125 useIsaSpecificSubdirs); 9126 } else { 9127 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9128 } 9129 } 9130 9131 maybeThrowExceptionForMultiArchCopy( 9132 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9133 9134 if (abi64 >= 0) { 9135 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9136 } 9137 9138 if (abi32 >= 0) { 9139 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9140 if (abi64 >= 0) { 9141 if (pkg.use32bitAbi) { 9142 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9143 pkg.applicationInfo.primaryCpuAbi = abi; 9144 } else { 9145 pkg.applicationInfo.secondaryCpuAbi = abi; 9146 } 9147 } else { 9148 pkg.applicationInfo.primaryCpuAbi = abi; 9149 } 9150 } 9151 9152 } else { 9153 String[] abiList = (cpuAbiOverride != null) ? 9154 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9155 9156 // Enable gross and lame hacks for apps that are built with old 9157 // SDK tools. We must scan their APKs for renderscript bitcode and 9158 // not launch them if it's present. Don't bother checking on devices 9159 // that don't have 64 bit support. 9160 boolean needsRenderScriptOverride = false; 9161 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9162 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9163 abiList = Build.SUPPORTED_32_BIT_ABIS; 9164 needsRenderScriptOverride = true; 9165 } 9166 9167 final int copyRet; 9168 if (extractLibs) { 9169 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9170 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9171 } else { 9172 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9173 } 9174 9175 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9176 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9177 "Error unpackaging native libs for app, errorCode=" + copyRet); 9178 } 9179 9180 if (copyRet >= 0) { 9181 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9182 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9183 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9184 } else if (needsRenderScriptOverride) { 9185 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9186 } 9187 } 9188 } catch (IOException ioe) { 9189 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9190 } finally { 9191 IoUtils.closeQuietly(handle); 9192 } 9193 9194 // Now that we've calculated the ABIs and determined if it's an internal app, 9195 // we will go ahead and populate the nativeLibraryPath. 9196 setNativeLibraryPaths(pkg); 9197 } 9198 9199 /** 9200 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9201 * i.e, so that all packages can be run inside a single process if required. 9202 * 9203 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9204 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9205 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9206 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9207 * updating a package that belongs to a shared user. 9208 * 9209 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9210 * adds unnecessary complexity. 9211 */ 9212 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9213 PackageParser.Package scannedPackage, boolean bootComplete) { 9214 String requiredInstructionSet = null; 9215 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9216 requiredInstructionSet = VMRuntime.getInstructionSet( 9217 scannedPackage.applicationInfo.primaryCpuAbi); 9218 } 9219 9220 PackageSetting requirer = null; 9221 for (PackageSetting ps : packagesForUser) { 9222 // If packagesForUser contains scannedPackage, we skip it. This will happen 9223 // when scannedPackage is an update of an existing package. Without this check, 9224 // we will never be able to change the ABI of any package belonging to a shared 9225 // user, even if it's compatible with other packages. 9226 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9227 if (ps.primaryCpuAbiString == null) { 9228 continue; 9229 } 9230 9231 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9232 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9233 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9234 // this but there's not much we can do. 9235 String errorMessage = "Instruction set mismatch, " 9236 + ((requirer == null) ? "[caller]" : requirer) 9237 + " requires " + requiredInstructionSet + " whereas " + ps 9238 + " requires " + instructionSet; 9239 Slog.w(TAG, errorMessage); 9240 } 9241 9242 if (requiredInstructionSet == null) { 9243 requiredInstructionSet = instructionSet; 9244 requirer = ps; 9245 } 9246 } 9247 } 9248 9249 if (requiredInstructionSet != null) { 9250 String adjustedAbi; 9251 if (requirer != null) { 9252 // requirer != null implies that either scannedPackage was null or that scannedPackage 9253 // did not require an ABI, in which case we have to adjust scannedPackage to match 9254 // the ABI of the set (which is the same as requirer's ABI) 9255 adjustedAbi = requirer.primaryCpuAbiString; 9256 if (scannedPackage != null) { 9257 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9258 } 9259 } else { 9260 // requirer == null implies that we're updating all ABIs in the set to 9261 // match scannedPackage. 9262 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9263 } 9264 9265 for (PackageSetting ps : packagesForUser) { 9266 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9267 if (ps.primaryCpuAbiString != null) { 9268 continue; 9269 } 9270 9271 ps.primaryCpuAbiString = adjustedAbi; 9272 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9273 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9274 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9275 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9276 + " (requirer=" 9277 + (requirer == null ? "null" : requirer.pkg.packageName) 9278 + ", scannedPackage=" 9279 + (scannedPackage != null ? scannedPackage.packageName : "null") 9280 + ")"); 9281 try { 9282 mInstaller.rmdex(ps.codePathString, 9283 getDexCodeInstructionSet(getPreferredInstructionSet())); 9284 } catch (InstallerException ignored) { 9285 } 9286 } 9287 } 9288 } 9289 } 9290 } 9291 9292 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9293 synchronized (mPackages) { 9294 mResolverReplaced = true; 9295 // Set up information for custom user intent resolution activity. 9296 mResolveActivity.applicationInfo = pkg.applicationInfo; 9297 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9298 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9299 mResolveActivity.processName = pkg.applicationInfo.packageName; 9300 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9301 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9302 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9303 mResolveActivity.theme = 0; 9304 mResolveActivity.exported = true; 9305 mResolveActivity.enabled = true; 9306 mResolveInfo.activityInfo = mResolveActivity; 9307 mResolveInfo.priority = 0; 9308 mResolveInfo.preferredOrder = 0; 9309 mResolveInfo.match = 0; 9310 mResolveComponentName = mCustomResolverComponentName; 9311 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9312 mResolveComponentName); 9313 } 9314 } 9315 9316 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9317 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9318 9319 // Set up information for ephemeral installer activity 9320 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9321 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9322 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9323 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9324 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9325 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9326 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9327 mEphemeralInstallerActivity.theme = 0; 9328 mEphemeralInstallerActivity.exported = true; 9329 mEphemeralInstallerActivity.enabled = true; 9330 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9331 mEphemeralInstallerInfo.priority = 0; 9332 mEphemeralInstallerInfo.preferredOrder = 0; 9333 mEphemeralInstallerInfo.match = 0; 9334 9335 if (DEBUG_EPHEMERAL) { 9336 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9337 } 9338 } 9339 9340 private static String calculateBundledApkRoot(final String codePathString) { 9341 final File codePath = new File(codePathString); 9342 final File codeRoot; 9343 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9344 codeRoot = Environment.getRootDirectory(); 9345 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9346 codeRoot = Environment.getOemDirectory(); 9347 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9348 codeRoot = Environment.getVendorDirectory(); 9349 } else { 9350 // Unrecognized code path; take its top real segment as the apk root: 9351 // e.g. /something/app/blah.apk => /something 9352 try { 9353 File f = codePath.getCanonicalFile(); 9354 File parent = f.getParentFile(); // non-null because codePath is a file 9355 File tmp; 9356 while ((tmp = parent.getParentFile()) != null) { 9357 f = parent; 9358 parent = tmp; 9359 } 9360 codeRoot = f; 9361 Slog.w(TAG, "Unrecognized code path " 9362 + codePath + " - using " + codeRoot); 9363 } catch (IOException e) { 9364 // Can't canonicalize the code path -- shenanigans? 9365 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9366 return Environment.getRootDirectory().getPath(); 9367 } 9368 } 9369 return codeRoot.getPath(); 9370 } 9371 9372 /** 9373 * Derive and set the location of native libraries for the given package, 9374 * which varies depending on where and how the package was installed. 9375 */ 9376 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9377 final ApplicationInfo info = pkg.applicationInfo; 9378 final String codePath = pkg.codePath; 9379 final File codeFile = new File(codePath); 9380 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9381 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9382 9383 info.nativeLibraryRootDir = null; 9384 info.nativeLibraryRootRequiresIsa = false; 9385 info.nativeLibraryDir = null; 9386 info.secondaryNativeLibraryDir = null; 9387 9388 if (isApkFile(codeFile)) { 9389 // Monolithic install 9390 if (bundledApp) { 9391 // If "/system/lib64/apkname" exists, assume that is the per-package 9392 // native library directory to use; otherwise use "/system/lib/apkname". 9393 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9394 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9395 getPrimaryInstructionSet(info)); 9396 9397 // This is a bundled system app so choose the path based on the ABI. 9398 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9399 // is just the default path. 9400 final String apkName = deriveCodePathName(codePath); 9401 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9402 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9403 apkName).getAbsolutePath(); 9404 9405 if (info.secondaryCpuAbi != null) { 9406 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9407 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9408 secondaryLibDir, apkName).getAbsolutePath(); 9409 } 9410 } else if (asecApp) { 9411 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9412 .getAbsolutePath(); 9413 } else { 9414 final String apkName = deriveCodePathName(codePath); 9415 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9416 .getAbsolutePath(); 9417 } 9418 9419 info.nativeLibraryRootRequiresIsa = false; 9420 info.nativeLibraryDir = info.nativeLibraryRootDir; 9421 } else { 9422 // Cluster install 9423 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9424 info.nativeLibraryRootRequiresIsa = true; 9425 9426 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9427 getPrimaryInstructionSet(info)).getAbsolutePath(); 9428 9429 if (info.secondaryCpuAbi != null) { 9430 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9431 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9432 } 9433 } 9434 } 9435 9436 /** 9437 * Calculate the abis and roots for a bundled app. These can uniquely 9438 * be determined from the contents of the system partition, i.e whether 9439 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9440 * of this information, and instead assume that the system was built 9441 * sensibly. 9442 */ 9443 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9444 PackageSetting pkgSetting) { 9445 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9446 9447 // If "/system/lib64/apkname" exists, assume that is the per-package 9448 // native library directory to use; otherwise use "/system/lib/apkname". 9449 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9450 setBundledAppAbi(pkg, apkRoot, apkName); 9451 // pkgSetting might be null during rescan following uninstall of updates 9452 // to a bundled app, so accommodate that possibility. The settings in 9453 // that case will be established later from the parsed package. 9454 // 9455 // If the settings aren't null, sync them up with what we've just derived. 9456 // note that apkRoot isn't stored in the package settings. 9457 if (pkgSetting != null) { 9458 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9459 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9460 } 9461 } 9462 9463 /** 9464 * Deduces the ABI of a bundled app and sets the relevant fields on the 9465 * parsed pkg object. 9466 * 9467 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9468 * under which system libraries are installed. 9469 * @param apkName the name of the installed package. 9470 */ 9471 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9472 final File codeFile = new File(pkg.codePath); 9473 9474 final boolean has64BitLibs; 9475 final boolean has32BitLibs; 9476 if (isApkFile(codeFile)) { 9477 // Monolithic install 9478 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9479 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9480 } else { 9481 // Cluster install 9482 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9483 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9484 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9485 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9486 has64BitLibs = (new File(rootDir, isa)).exists(); 9487 } else { 9488 has64BitLibs = false; 9489 } 9490 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9491 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9492 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9493 has32BitLibs = (new File(rootDir, isa)).exists(); 9494 } else { 9495 has32BitLibs = false; 9496 } 9497 } 9498 9499 if (has64BitLibs && !has32BitLibs) { 9500 // The package has 64 bit libs, but not 32 bit libs. Its primary 9501 // ABI should be 64 bit. We can safely assume here that the bundled 9502 // native libraries correspond to the most preferred ABI in the list. 9503 9504 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9505 pkg.applicationInfo.secondaryCpuAbi = null; 9506 } else if (has32BitLibs && !has64BitLibs) { 9507 // The package has 32 bit libs but not 64 bit libs. Its primary 9508 // ABI should be 32 bit. 9509 9510 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9511 pkg.applicationInfo.secondaryCpuAbi = null; 9512 } else if (has32BitLibs && has64BitLibs) { 9513 // The application has both 64 and 32 bit bundled libraries. We check 9514 // here that the app declares multiArch support, and warn if it doesn't. 9515 // 9516 // We will be lenient here and record both ABIs. The primary will be the 9517 // ABI that's higher on the list, i.e, a device that's configured to prefer 9518 // 64 bit apps will see a 64 bit primary ABI, 9519 9520 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9521 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9522 } 9523 9524 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9525 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9526 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9527 } else { 9528 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9529 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9530 } 9531 } else { 9532 pkg.applicationInfo.primaryCpuAbi = null; 9533 pkg.applicationInfo.secondaryCpuAbi = null; 9534 } 9535 } 9536 9537 private void killApplication(String pkgName, int appId, String reason) { 9538 // Request the ActivityManager to kill the process(only for existing packages) 9539 // so that we do not end up in a confused state while the user is still using the older 9540 // version of the application while the new one gets installed. 9541 final long token = Binder.clearCallingIdentity(); 9542 try { 9543 IActivityManager am = ActivityManagerNative.getDefault(); 9544 if (am != null) { 9545 try { 9546 am.killApplicationWithAppId(pkgName, appId, reason); 9547 } catch (RemoteException e) { 9548 } 9549 } 9550 } finally { 9551 Binder.restoreCallingIdentity(token); 9552 } 9553 } 9554 9555 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9556 // Remove the parent package setting 9557 PackageSetting ps = (PackageSetting) pkg.mExtras; 9558 if (ps != null) { 9559 removePackageLI(ps, chatty); 9560 } 9561 // Remove the child package setting 9562 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9563 for (int i = 0; i < childCount; i++) { 9564 PackageParser.Package childPkg = pkg.childPackages.get(i); 9565 ps = (PackageSetting) childPkg.mExtras; 9566 if (ps != null) { 9567 removePackageLI(ps, chatty); 9568 } 9569 } 9570 } 9571 9572 void removePackageLI(PackageSetting ps, boolean chatty) { 9573 if (DEBUG_INSTALL) { 9574 if (chatty) 9575 Log.d(TAG, "Removing package " + ps.name); 9576 } 9577 9578 // writer 9579 synchronized (mPackages) { 9580 mPackages.remove(ps.name); 9581 final PackageParser.Package pkg = ps.pkg; 9582 if (pkg != null) { 9583 cleanPackageDataStructuresLILPw(pkg, chatty); 9584 } 9585 } 9586 } 9587 9588 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9589 if (DEBUG_INSTALL) { 9590 if (chatty) 9591 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9592 } 9593 9594 // writer 9595 synchronized (mPackages) { 9596 // Remove the parent package 9597 mPackages.remove(pkg.applicationInfo.packageName); 9598 cleanPackageDataStructuresLILPw(pkg, chatty); 9599 9600 // Remove the child packages 9601 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9602 for (int i = 0; i < childCount; i++) { 9603 PackageParser.Package childPkg = pkg.childPackages.get(i); 9604 mPackages.remove(childPkg.applicationInfo.packageName); 9605 cleanPackageDataStructuresLILPw(childPkg, chatty); 9606 } 9607 } 9608 } 9609 9610 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9611 int N = pkg.providers.size(); 9612 StringBuilder r = null; 9613 int i; 9614 for (i=0; i<N; i++) { 9615 PackageParser.Provider p = pkg.providers.get(i); 9616 mProviders.removeProvider(p); 9617 if (p.info.authority == null) { 9618 9619 /* There was another ContentProvider with this authority when 9620 * this app was installed so this authority is null, 9621 * Ignore it as we don't have to unregister the provider. 9622 */ 9623 continue; 9624 } 9625 String names[] = p.info.authority.split(";"); 9626 for (int j = 0; j < names.length; j++) { 9627 if (mProvidersByAuthority.get(names[j]) == p) { 9628 mProvidersByAuthority.remove(names[j]); 9629 if (DEBUG_REMOVE) { 9630 if (chatty) 9631 Log.d(TAG, "Unregistered content provider: " + names[j] 9632 + ", className = " + p.info.name + ", isSyncable = " 9633 + p.info.isSyncable); 9634 } 9635 } 9636 } 9637 if (DEBUG_REMOVE && chatty) { 9638 if (r == null) { 9639 r = new StringBuilder(256); 9640 } else { 9641 r.append(' '); 9642 } 9643 r.append(p.info.name); 9644 } 9645 } 9646 if (r != null) { 9647 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9648 } 9649 9650 N = pkg.services.size(); 9651 r = null; 9652 for (i=0; i<N; i++) { 9653 PackageParser.Service s = pkg.services.get(i); 9654 mServices.removeService(s); 9655 if (chatty) { 9656 if (r == null) { 9657 r = new StringBuilder(256); 9658 } else { 9659 r.append(' '); 9660 } 9661 r.append(s.info.name); 9662 } 9663 } 9664 if (r != null) { 9665 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9666 } 9667 9668 N = pkg.receivers.size(); 9669 r = null; 9670 for (i=0; i<N; i++) { 9671 PackageParser.Activity a = pkg.receivers.get(i); 9672 mReceivers.removeActivity(a, "receiver"); 9673 if (DEBUG_REMOVE && chatty) { 9674 if (r == null) { 9675 r = new StringBuilder(256); 9676 } else { 9677 r.append(' '); 9678 } 9679 r.append(a.info.name); 9680 } 9681 } 9682 if (r != null) { 9683 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9684 } 9685 9686 N = pkg.activities.size(); 9687 r = null; 9688 for (i=0; i<N; i++) { 9689 PackageParser.Activity a = pkg.activities.get(i); 9690 mActivities.removeActivity(a, "activity"); 9691 if (DEBUG_REMOVE && chatty) { 9692 if (r == null) { 9693 r = new StringBuilder(256); 9694 } else { 9695 r.append(' '); 9696 } 9697 r.append(a.info.name); 9698 } 9699 } 9700 if (r != null) { 9701 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9702 } 9703 9704 N = pkg.permissions.size(); 9705 r = null; 9706 for (i=0; i<N; i++) { 9707 PackageParser.Permission p = pkg.permissions.get(i); 9708 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9709 if (bp == null) { 9710 bp = mSettings.mPermissionTrees.get(p.info.name); 9711 } 9712 if (bp != null && bp.perm == p) { 9713 bp.perm = null; 9714 if (DEBUG_REMOVE && chatty) { 9715 if (r == null) { 9716 r = new StringBuilder(256); 9717 } else { 9718 r.append(' '); 9719 } 9720 r.append(p.info.name); 9721 } 9722 } 9723 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9724 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9725 if (appOpPkgs != null) { 9726 appOpPkgs.remove(pkg.packageName); 9727 } 9728 } 9729 } 9730 if (r != null) { 9731 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9732 } 9733 9734 N = pkg.requestedPermissions.size(); 9735 r = null; 9736 for (i=0; i<N; i++) { 9737 String perm = pkg.requestedPermissions.get(i); 9738 BasePermission bp = mSettings.mPermissions.get(perm); 9739 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9740 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9741 if (appOpPkgs != null) { 9742 appOpPkgs.remove(pkg.packageName); 9743 if (appOpPkgs.isEmpty()) { 9744 mAppOpPermissionPackages.remove(perm); 9745 } 9746 } 9747 } 9748 } 9749 if (r != null) { 9750 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9751 } 9752 9753 N = pkg.instrumentation.size(); 9754 r = null; 9755 for (i=0; i<N; i++) { 9756 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9757 mInstrumentation.remove(a.getComponentName()); 9758 if (DEBUG_REMOVE && chatty) { 9759 if (r == null) { 9760 r = new StringBuilder(256); 9761 } else { 9762 r.append(' '); 9763 } 9764 r.append(a.info.name); 9765 } 9766 } 9767 if (r != null) { 9768 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9769 } 9770 9771 r = null; 9772 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9773 // Only system apps can hold shared libraries. 9774 if (pkg.libraryNames != null) { 9775 for (i=0; i<pkg.libraryNames.size(); i++) { 9776 String name = pkg.libraryNames.get(i); 9777 SharedLibraryEntry cur = mSharedLibraries.get(name); 9778 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9779 mSharedLibraries.remove(name); 9780 if (DEBUG_REMOVE && chatty) { 9781 if (r == null) { 9782 r = new StringBuilder(256); 9783 } else { 9784 r.append(' '); 9785 } 9786 r.append(name); 9787 } 9788 } 9789 } 9790 } 9791 } 9792 if (r != null) { 9793 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9794 } 9795 } 9796 9797 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9798 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9799 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9800 return true; 9801 } 9802 } 9803 return false; 9804 } 9805 9806 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9807 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9808 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9809 9810 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9811 // Update the parent permissions 9812 updatePermissionsLPw(pkg.packageName, pkg, flags); 9813 // Update the child permissions 9814 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9815 for (int i = 0; i < childCount; i++) { 9816 PackageParser.Package childPkg = pkg.childPackages.get(i); 9817 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9818 } 9819 } 9820 9821 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9822 int flags) { 9823 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9824 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9825 } 9826 9827 private void updatePermissionsLPw(String changingPkg, 9828 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9829 // Make sure there are no dangling permission trees. 9830 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9831 while (it.hasNext()) { 9832 final BasePermission bp = it.next(); 9833 if (bp.packageSetting == null) { 9834 // We may not yet have parsed the package, so just see if 9835 // we still know about its settings. 9836 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9837 } 9838 if (bp.packageSetting == null) { 9839 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9840 + " from package " + bp.sourcePackage); 9841 it.remove(); 9842 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9843 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9844 Slog.i(TAG, "Removing old permission tree: " + bp.name 9845 + " from package " + bp.sourcePackage); 9846 flags |= UPDATE_PERMISSIONS_ALL; 9847 it.remove(); 9848 } 9849 } 9850 } 9851 9852 // Make sure all dynamic permissions have been assigned to a package, 9853 // and make sure there are no dangling permissions. 9854 it = mSettings.mPermissions.values().iterator(); 9855 while (it.hasNext()) { 9856 final BasePermission bp = it.next(); 9857 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9858 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9859 + bp.name + " pkg=" + bp.sourcePackage 9860 + " info=" + bp.pendingInfo); 9861 if (bp.packageSetting == null && bp.pendingInfo != null) { 9862 final BasePermission tree = findPermissionTreeLP(bp.name); 9863 if (tree != null && tree.perm != null) { 9864 bp.packageSetting = tree.packageSetting; 9865 bp.perm = new PackageParser.Permission(tree.perm.owner, 9866 new PermissionInfo(bp.pendingInfo)); 9867 bp.perm.info.packageName = tree.perm.info.packageName; 9868 bp.perm.info.name = bp.name; 9869 bp.uid = tree.uid; 9870 } 9871 } 9872 } 9873 if (bp.packageSetting == null) { 9874 // We may not yet have parsed the package, so just see if 9875 // we still know about its settings. 9876 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9877 } 9878 if (bp.packageSetting == null) { 9879 Slog.w(TAG, "Removing dangling permission: " + bp.name 9880 + " from package " + bp.sourcePackage); 9881 it.remove(); 9882 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9883 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9884 Slog.i(TAG, "Removing old permission: " + bp.name 9885 + " from package " + bp.sourcePackage); 9886 flags |= UPDATE_PERMISSIONS_ALL; 9887 it.remove(); 9888 } 9889 } 9890 } 9891 9892 // Now update the permissions for all packages, in particular 9893 // replace the granted permissions of the system packages. 9894 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9895 for (PackageParser.Package pkg : mPackages.values()) { 9896 if (pkg != pkgInfo) { 9897 // Only replace for packages on requested volume 9898 final String volumeUuid = getVolumeUuidForPackage(pkg); 9899 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9900 && Objects.equals(replaceVolumeUuid, volumeUuid); 9901 grantPermissionsLPw(pkg, replace, changingPkg); 9902 } 9903 } 9904 } 9905 9906 if (pkgInfo != null) { 9907 // Only replace for packages on requested volume 9908 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9909 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9910 && Objects.equals(replaceVolumeUuid, volumeUuid); 9911 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9912 } 9913 } 9914 9915 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9916 String packageOfInterest) { 9917 // IMPORTANT: There are two types of permissions: install and runtime. 9918 // Install time permissions are granted when the app is installed to 9919 // all device users and users added in the future. Runtime permissions 9920 // are granted at runtime explicitly to specific users. Normal and signature 9921 // protected permissions are install time permissions. Dangerous permissions 9922 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9923 // otherwise they are runtime permissions. This function does not manage 9924 // runtime permissions except for the case an app targeting Lollipop MR1 9925 // being upgraded to target a newer SDK, in which case dangerous permissions 9926 // are transformed from install time to runtime ones. 9927 9928 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9929 if (ps == null) { 9930 return; 9931 } 9932 9933 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9934 9935 PermissionsState permissionsState = ps.getPermissionsState(); 9936 PermissionsState origPermissions = permissionsState; 9937 9938 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9939 9940 boolean runtimePermissionsRevoked = false; 9941 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9942 9943 boolean changedInstallPermission = false; 9944 9945 if (replace) { 9946 ps.installPermissionsFixed = false; 9947 if (!ps.isSharedUser()) { 9948 origPermissions = new PermissionsState(permissionsState); 9949 permissionsState.reset(); 9950 } else { 9951 // We need to know only about runtime permission changes since the 9952 // calling code always writes the install permissions state but 9953 // the runtime ones are written only if changed. The only cases of 9954 // changed runtime permissions here are promotion of an install to 9955 // runtime and revocation of a runtime from a shared user. 9956 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9957 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9958 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9959 runtimePermissionsRevoked = true; 9960 } 9961 } 9962 } 9963 9964 permissionsState.setGlobalGids(mGlobalGids); 9965 9966 final int N = pkg.requestedPermissions.size(); 9967 for (int i=0; i<N; i++) { 9968 final String name = pkg.requestedPermissions.get(i); 9969 final BasePermission bp = mSettings.mPermissions.get(name); 9970 9971 if (DEBUG_INSTALL) { 9972 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9973 } 9974 9975 if (bp == null || bp.packageSetting == null) { 9976 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9977 Slog.w(TAG, "Unknown permission " + name 9978 + " in package " + pkg.packageName); 9979 } 9980 continue; 9981 } 9982 9983 final String perm = bp.name; 9984 boolean allowedSig = false; 9985 int grant = GRANT_DENIED; 9986 9987 // Keep track of app op permissions. 9988 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9989 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9990 if (pkgs == null) { 9991 pkgs = new ArraySet<>(); 9992 mAppOpPermissionPackages.put(bp.name, pkgs); 9993 } 9994 pkgs.add(pkg.packageName); 9995 } 9996 9997 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9998 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9999 >= Build.VERSION_CODES.M; 10000 switch (level) { 10001 case PermissionInfo.PROTECTION_NORMAL: { 10002 // For all apps normal permissions are install time ones. 10003 grant = GRANT_INSTALL; 10004 } break; 10005 10006 case PermissionInfo.PROTECTION_DANGEROUS: { 10007 // If a permission review is required for legacy apps we represent 10008 // their permissions as always granted runtime ones since we need 10009 // to keep the review required permission flag per user while an 10010 // install permission's state is shared across all users. 10011 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10012 // For legacy apps dangerous permissions are install time ones. 10013 grant = GRANT_INSTALL; 10014 } else if (origPermissions.hasInstallPermission(bp.name)) { 10015 // For legacy apps that became modern, install becomes runtime. 10016 grant = GRANT_UPGRADE; 10017 } else if (mPromoteSystemApps 10018 && isSystemApp(ps) 10019 && mExistingSystemPackages.contains(ps.name)) { 10020 // For legacy system apps, install becomes runtime. 10021 // We cannot check hasInstallPermission() for system apps since those 10022 // permissions were granted implicitly and not persisted pre-M. 10023 grant = GRANT_UPGRADE; 10024 } else { 10025 // For modern apps keep runtime permissions unchanged. 10026 grant = GRANT_RUNTIME; 10027 } 10028 } break; 10029 10030 case PermissionInfo.PROTECTION_SIGNATURE: { 10031 // For all apps signature permissions are install time ones. 10032 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10033 if (allowedSig) { 10034 grant = GRANT_INSTALL; 10035 } 10036 } break; 10037 } 10038 10039 if (DEBUG_INSTALL) { 10040 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10041 } 10042 10043 if (grant != GRANT_DENIED) { 10044 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10045 // If this is an existing, non-system package, then 10046 // we can't add any new permissions to it. 10047 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10048 // Except... if this is a permission that was added 10049 // to the platform (note: need to only do this when 10050 // updating the platform). 10051 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10052 grant = GRANT_DENIED; 10053 } 10054 } 10055 } 10056 10057 switch (grant) { 10058 case GRANT_INSTALL: { 10059 // Revoke this as runtime permission to handle the case of 10060 // a runtime permission being downgraded to an install one. 10061 // Also in permission review mode we keep dangerous permissions 10062 // for legacy apps 10063 for (int userId : UserManagerService.getInstance().getUserIds()) { 10064 if (origPermissions.getRuntimePermissionState( 10065 bp.name, userId) != null) { 10066 // Revoke the runtime permission and clear the flags. 10067 origPermissions.revokeRuntimePermission(bp, userId); 10068 origPermissions.updatePermissionFlags(bp, userId, 10069 PackageManager.MASK_PERMISSION_FLAGS, 0); 10070 // If we revoked a permission permission, we have to write. 10071 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10072 changedRuntimePermissionUserIds, userId); 10073 } 10074 } 10075 // Grant an install permission. 10076 if (permissionsState.grantInstallPermission(bp) != 10077 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10078 changedInstallPermission = true; 10079 } 10080 } break; 10081 10082 case GRANT_RUNTIME: { 10083 // Grant previously granted runtime permissions. 10084 for (int userId : UserManagerService.getInstance().getUserIds()) { 10085 PermissionState permissionState = origPermissions 10086 .getRuntimePermissionState(bp.name, userId); 10087 int flags = permissionState != null 10088 ? permissionState.getFlags() : 0; 10089 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10090 if (permissionsState.grantRuntimePermission(bp, userId) == 10091 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10092 // If we cannot put the permission as it was, we have to write. 10093 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10094 changedRuntimePermissionUserIds, userId); 10095 } 10096 // If the app supports runtime permissions no need for a review. 10097 if (Build.PERMISSIONS_REVIEW_REQUIRED 10098 && appSupportsRuntimePermissions 10099 && (flags & PackageManager 10100 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10101 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10102 // Since we changed the flags, we have to write. 10103 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10104 changedRuntimePermissionUserIds, userId); 10105 } 10106 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10107 && !appSupportsRuntimePermissions) { 10108 // For legacy apps that need a permission review, every new 10109 // runtime permission is granted but it is pending a review. 10110 // We also need to review only platform defined runtime 10111 // permissions as these are the only ones the platform knows 10112 // how to disable the API to simulate revocation as legacy 10113 // apps don't expect to run with revoked permissions. 10114 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10115 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10116 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10117 // We changed the flags, hence have to write. 10118 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10119 changedRuntimePermissionUserIds, userId); 10120 } 10121 } 10122 if (permissionsState.grantRuntimePermission(bp, userId) 10123 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10124 // We changed the permission, hence have to write. 10125 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10126 changedRuntimePermissionUserIds, userId); 10127 } 10128 } 10129 // Propagate the permission flags. 10130 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10131 } 10132 } break; 10133 10134 case GRANT_UPGRADE: { 10135 // Grant runtime permissions for a previously held install permission. 10136 PermissionState permissionState = origPermissions 10137 .getInstallPermissionState(bp.name); 10138 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10139 10140 if (origPermissions.revokeInstallPermission(bp) 10141 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10142 // We will be transferring the permission flags, so clear them. 10143 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10144 PackageManager.MASK_PERMISSION_FLAGS, 0); 10145 changedInstallPermission = true; 10146 } 10147 10148 // If the permission is not to be promoted to runtime we ignore it and 10149 // also its other flags as they are not applicable to install permissions. 10150 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10151 for (int userId : currentUserIds) { 10152 if (permissionsState.grantRuntimePermission(bp, userId) != 10153 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10154 // Transfer the permission flags. 10155 permissionsState.updatePermissionFlags(bp, userId, 10156 flags, flags); 10157 // If we granted the permission, we have to write. 10158 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10159 changedRuntimePermissionUserIds, userId); 10160 } 10161 } 10162 } 10163 } break; 10164 10165 default: { 10166 if (packageOfInterest == null 10167 || packageOfInterest.equals(pkg.packageName)) { 10168 Slog.w(TAG, "Not granting permission " + perm 10169 + " to package " + pkg.packageName 10170 + " because it was previously installed without"); 10171 } 10172 } break; 10173 } 10174 } else { 10175 if (permissionsState.revokeInstallPermission(bp) != 10176 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10177 // Also drop the permission flags. 10178 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10179 PackageManager.MASK_PERMISSION_FLAGS, 0); 10180 changedInstallPermission = true; 10181 Slog.i(TAG, "Un-granting permission " + perm 10182 + " from package " + pkg.packageName 10183 + " (protectionLevel=" + bp.protectionLevel 10184 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10185 + ")"); 10186 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10187 // Don't print warning for app op permissions, since it is fine for them 10188 // not to be granted, there is a UI for the user to decide. 10189 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10190 Slog.w(TAG, "Not granting permission " + perm 10191 + " to package " + pkg.packageName 10192 + " (protectionLevel=" + bp.protectionLevel 10193 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10194 + ")"); 10195 } 10196 } 10197 } 10198 } 10199 10200 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10201 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10202 // This is the first that we have heard about this package, so the 10203 // permissions we have now selected are fixed until explicitly 10204 // changed. 10205 ps.installPermissionsFixed = true; 10206 } 10207 10208 // Persist the runtime permissions state for users with changes. If permissions 10209 // were revoked because no app in the shared user declares them we have to 10210 // write synchronously to avoid losing runtime permissions state. 10211 for (int userId : changedRuntimePermissionUserIds) { 10212 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10213 } 10214 10215 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10216 } 10217 10218 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10219 boolean allowed = false; 10220 final int NP = PackageParser.NEW_PERMISSIONS.length; 10221 for (int ip=0; ip<NP; ip++) { 10222 final PackageParser.NewPermissionInfo npi 10223 = PackageParser.NEW_PERMISSIONS[ip]; 10224 if (npi.name.equals(perm) 10225 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10226 allowed = true; 10227 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10228 + pkg.packageName); 10229 break; 10230 } 10231 } 10232 return allowed; 10233 } 10234 10235 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10236 BasePermission bp, PermissionsState origPermissions) { 10237 boolean allowed; 10238 allowed = (compareSignatures( 10239 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10240 == PackageManager.SIGNATURE_MATCH) 10241 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10242 == PackageManager.SIGNATURE_MATCH); 10243 if (!allowed && (bp.protectionLevel 10244 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10245 if (isSystemApp(pkg)) { 10246 // For updated system applications, a system permission 10247 // is granted only if it had been defined by the original application. 10248 if (pkg.isUpdatedSystemApp()) { 10249 final PackageSetting sysPs = mSettings 10250 .getDisabledSystemPkgLPr(pkg.packageName); 10251 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10252 // If the original was granted this permission, we take 10253 // that grant decision as read and propagate it to the 10254 // update. 10255 if (sysPs.isPrivileged()) { 10256 allowed = true; 10257 } 10258 } else { 10259 // The system apk may have been updated with an older 10260 // version of the one on the data partition, but which 10261 // granted a new system permission that it didn't have 10262 // before. In this case we do want to allow the app to 10263 // now get the new permission if the ancestral apk is 10264 // privileged to get it. 10265 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10266 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10267 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10268 allowed = true; 10269 break; 10270 } 10271 } 10272 } 10273 // Also if a privileged parent package on the system image or any of 10274 // its children requested a privileged permission, the updated child 10275 // packages can also get the permission. 10276 if (pkg.parentPackage != null) { 10277 final PackageSetting disabledSysParentPs = mSettings 10278 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10279 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10280 && disabledSysParentPs.isPrivileged()) { 10281 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10282 allowed = true; 10283 } else if (disabledSysParentPs.pkg.childPackages != null) { 10284 final int count = disabledSysParentPs.pkg.childPackages.size(); 10285 for (int i = 0; i < count; i++) { 10286 PackageParser.Package disabledSysChildPkg = 10287 disabledSysParentPs.pkg.childPackages.get(i); 10288 if (isPackageRequestingPermission(disabledSysChildPkg, 10289 perm)) { 10290 allowed = true; 10291 break; 10292 } 10293 } 10294 } 10295 } 10296 } 10297 } 10298 } else { 10299 allowed = isPrivilegedApp(pkg); 10300 } 10301 } 10302 } 10303 if (!allowed) { 10304 if (!allowed && (bp.protectionLevel 10305 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10306 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10307 // If this was a previously normal/dangerous permission that got moved 10308 // to a system permission as part of the runtime permission redesign, then 10309 // we still want to blindly grant it to old apps. 10310 allowed = true; 10311 } 10312 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10313 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10314 // If this permission is to be granted to the system installer and 10315 // this app is an installer, then it gets the permission. 10316 allowed = true; 10317 } 10318 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10319 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10320 // If this permission is to be granted to the system verifier and 10321 // this app is a verifier, then it gets the permission. 10322 allowed = true; 10323 } 10324 if (!allowed && (bp.protectionLevel 10325 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10326 && isSystemApp(pkg)) { 10327 // Any pre-installed system app is allowed to get this permission. 10328 allowed = true; 10329 } 10330 if (!allowed && (bp.protectionLevel 10331 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10332 // For development permissions, a development permission 10333 // is granted only if it was already granted. 10334 allowed = origPermissions.hasInstallPermission(perm); 10335 } 10336 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10337 && pkg.packageName.equals(mSetupWizardPackage)) { 10338 // If this permission is to be granted to the system setup wizard and 10339 // this app is a setup wizard, then it gets the permission. 10340 allowed = true; 10341 } 10342 } 10343 return allowed; 10344 } 10345 10346 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10347 final int permCount = pkg.requestedPermissions.size(); 10348 for (int j = 0; j < permCount; j++) { 10349 String requestedPermission = pkg.requestedPermissions.get(j); 10350 if (permission.equals(requestedPermission)) { 10351 return true; 10352 } 10353 } 10354 return false; 10355 } 10356 10357 final class ActivityIntentResolver 10358 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10359 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10360 boolean defaultOnly, int userId) { 10361 if (!sUserManager.exists(userId)) return null; 10362 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10363 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10364 } 10365 10366 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10367 int userId) { 10368 if (!sUserManager.exists(userId)) return null; 10369 mFlags = flags; 10370 return super.queryIntent(intent, resolvedType, 10371 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10372 } 10373 10374 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10375 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10376 if (!sUserManager.exists(userId)) return null; 10377 if (packageActivities == null) { 10378 return null; 10379 } 10380 mFlags = flags; 10381 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10382 final int N = packageActivities.size(); 10383 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10384 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10385 10386 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10387 for (int i = 0; i < N; ++i) { 10388 intentFilters = packageActivities.get(i).intents; 10389 if (intentFilters != null && intentFilters.size() > 0) { 10390 PackageParser.ActivityIntentInfo[] array = 10391 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10392 intentFilters.toArray(array); 10393 listCut.add(array); 10394 } 10395 } 10396 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10397 } 10398 10399 /** 10400 * Finds a privileged activity that matches the specified activity names. 10401 */ 10402 private PackageParser.Activity findMatchingActivity( 10403 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10404 for (PackageParser.Activity sysActivity : activityList) { 10405 if (sysActivity.info.name.equals(activityInfo.name)) { 10406 return sysActivity; 10407 } 10408 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10409 return sysActivity; 10410 } 10411 if (sysActivity.info.targetActivity != null) { 10412 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10413 return sysActivity; 10414 } 10415 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10416 return sysActivity; 10417 } 10418 } 10419 } 10420 return null; 10421 } 10422 10423 public class IterGenerator<E> { 10424 public Iterator<E> generate(ActivityIntentInfo info) { 10425 return null; 10426 } 10427 } 10428 10429 public class ActionIterGenerator extends IterGenerator<String> { 10430 @Override 10431 public Iterator<String> generate(ActivityIntentInfo info) { 10432 return info.actionsIterator(); 10433 } 10434 } 10435 10436 public class CategoriesIterGenerator extends IterGenerator<String> { 10437 @Override 10438 public Iterator<String> generate(ActivityIntentInfo info) { 10439 return info.categoriesIterator(); 10440 } 10441 } 10442 10443 public class SchemesIterGenerator extends IterGenerator<String> { 10444 @Override 10445 public Iterator<String> generate(ActivityIntentInfo info) { 10446 return info.schemesIterator(); 10447 } 10448 } 10449 10450 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10451 @Override 10452 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10453 return info.authoritiesIterator(); 10454 } 10455 } 10456 10457 /** 10458 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10459 * MODIFIED. Do not pass in a list that should not be changed. 10460 */ 10461 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10462 IterGenerator<T> generator, Iterator<T> searchIterator) { 10463 // loop through the set of actions; every one must be found in the intent filter 10464 while (searchIterator.hasNext()) { 10465 // we must have at least one filter in the list to consider a match 10466 if (intentList.size() == 0) { 10467 break; 10468 } 10469 10470 final T searchAction = searchIterator.next(); 10471 10472 // loop through the set of intent filters 10473 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10474 while (intentIter.hasNext()) { 10475 final ActivityIntentInfo intentInfo = intentIter.next(); 10476 boolean selectionFound = false; 10477 10478 // loop through the intent filter's selection criteria; at least one 10479 // of them must match the searched criteria 10480 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10481 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10482 final T intentSelection = intentSelectionIter.next(); 10483 if (intentSelection != null && intentSelection.equals(searchAction)) { 10484 selectionFound = true; 10485 break; 10486 } 10487 } 10488 10489 // the selection criteria wasn't found in this filter's set; this filter 10490 // is not a potential match 10491 if (!selectionFound) { 10492 intentIter.remove(); 10493 } 10494 } 10495 } 10496 } 10497 10498 private boolean isProtectedAction(ActivityIntentInfo filter) { 10499 final Iterator<String> actionsIter = filter.actionsIterator(); 10500 while (actionsIter != null && actionsIter.hasNext()) { 10501 final String filterAction = actionsIter.next(); 10502 if (PROTECTED_ACTIONS.contains(filterAction)) { 10503 return true; 10504 } 10505 } 10506 return false; 10507 } 10508 10509 /** 10510 * Adjusts the priority of the given intent filter according to policy. 10511 * <p> 10512 * <ul> 10513 * <li>The priority for non privileged applications is capped to '0'</li> 10514 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10515 * <li>The priority for unbundled updates to privileged applications is capped to the 10516 * priority defined on the system partition</li> 10517 * </ul> 10518 * <p> 10519 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10520 * allowed to obtain any priority on any action. 10521 */ 10522 private void adjustPriority( 10523 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10524 // nothing to do; priority is fine as-is 10525 if (intent.getPriority() <= 0) { 10526 return; 10527 } 10528 10529 final ActivityInfo activityInfo = intent.activity.info; 10530 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10531 10532 final boolean privilegedApp = 10533 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10534 if (!privilegedApp) { 10535 // non-privileged applications can never define a priority >0 10536 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10537 + " package: " + applicationInfo.packageName 10538 + " activity: " + intent.activity.className 10539 + " origPrio: " + intent.getPriority()); 10540 intent.setPriority(0); 10541 return; 10542 } 10543 10544 if (systemActivities == null) { 10545 // the system package is not disabled; we're parsing the system partition 10546 if (isProtectedAction(intent)) { 10547 if (mDeferProtectedFilters) { 10548 // We can't deal with these just yet. No component should ever obtain a 10549 // >0 priority for a protected actions, with ONE exception -- the setup 10550 // wizard. The setup wizard, however, cannot be known until we're able to 10551 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10552 // until all intent filters have been processed. Chicken, meet egg. 10553 // Let the filter temporarily have a high priority and rectify the 10554 // priorities after all system packages have been scanned. 10555 mProtectedFilters.add(intent); 10556 if (DEBUG_FILTERS) { 10557 Slog.i(TAG, "Protected action; save for later;" 10558 + " package: " + applicationInfo.packageName 10559 + " activity: " + intent.activity.className 10560 + " origPrio: " + intent.getPriority()); 10561 } 10562 return; 10563 } else { 10564 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10565 Slog.i(TAG, "No setup wizard;" 10566 + " All protected intents capped to priority 0"); 10567 } 10568 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10569 if (DEBUG_FILTERS) { 10570 Slog.i(TAG, "Found setup wizard;" 10571 + " allow priority " + intent.getPriority() + ";" 10572 + " package: " + intent.activity.info.packageName 10573 + " activity: " + intent.activity.className 10574 + " priority: " + intent.getPriority()); 10575 } 10576 // setup wizard gets whatever it wants 10577 return; 10578 } 10579 Slog.w(TAG, "Protected action; cap priority to 0;" 10580 + " package: " + intent.activity.info.packageName 10581 + " activity: " + intent.activity.className 10582 + " origPrio: " + intent.getPriority()); 10583 intent.setPriority(0); 10584 return; 10585 } 10586 } 10587 // privileged apps on the system image get whatever priority they request 10588 return; 10589 } 10590 10591 // privileged app unbundled update ... try to find the same activity 10592 final PackageParser.Activity foundActivity = 10593 findMatchingActivity(systemActivities, activityInfo); 10594 if (foundActivity == null) { 10595 // this is a new activity; it cannot obtain >0 priority 10596 if (DEBUG_FILTERS) { 10597 Slog.i(TAG, "New activity; cap priority to 0;" 10598 + " package: " + applicationInfo.packageName 10599 + " activity: " + intent.activity.className 10600 + " origPrio: " + intent.getPriority()); 10601 } 10602 intent.setPriority(0); 10603 return; 10604 } 10605 10606 // found activity, now check for filter equivalence 10607 10608 // a shallow copy is enough; we modify the list, not its contents 10609 final List<ActivityIntentInfo> intentListCopy = 10610 new ArrayList<>(foundActivity.intents); 10611 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10612 10613 // find matching action subsets 10614 final Iterator<String> actionsIterator = intent.actionsIterator(); 10615 if (actionsIterator != null) { 10616 getIntentListSubset( 10617 intentListCopy, new ActionIterGenerator(), actionsIterator); 10618 if (intentListCopy.size() == 0) { 10619 // no more intents to match; we're not equivalent 10620 if (DEBUG_FILTERS) { 10621 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10622 + " package: " + applicationInfo.packageName 10623 + " activity: " + intent.activity.className 10624 + " origPrio: " + intent.getPriority()); 10625 } 10626 intent.setPriority(0); 10627 return; 10628 } 10629 } 10630 10631 // find matching category subsets 10632 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10633 if (categoriesIterator != null) { 10634 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10635 categoriesIterator); 10636 if (intentListCopy.size() == 0) { 10637 // no more intents to match; we're not equivalent 10638 if (DEBUG_FILTERS) { 10639 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10640 + " package: " + applicationInfo.packageName 10641 + " activity: " + intent.activity.className 10642 + " origPrio: " + intent.getPriority()); 10643 } 10644 intent.setPriority(0); 10645 return; 10646 } 10647 } 10648 10649 // find matching schemes subsets 10650 final Iterator<String> schemesIterator = intent.schemesIterator(); 10651 if (schemesIterator != null) { 10652 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10653 schemesIterator); 10654 if (intentListCopy.size() == 0) { 10655 // no more intents to match; we're not equivalent 10656 if (DEBUG_FILTERS) { 10657 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10658 + " package: " + applicationInfo.packageName 10659 + " activity: " + intent.activity.className 10660 + " origPrio: " + intent.getPriority()); 10661 } 10662 intent.setPriority(0); 10663 return; 10664 } 10665 } 10666 10667 // find matching authorities subsets 10668 final Iterator<IntentFilter.AuthorityEntry> 10669 authoritiesIterator = intent.authoritiesIterator(); 10670 if (authoritiesIterator != null) { 10671 getIntentListSubset(intentListCopy, 10672 new AuthoritiesIterGenerator(), 10673 authoritiesIterator); 10674 if (intentListCopy.size() == 0) { 10675 // no more intents to match; we're not equivalent 10676 if (DEBUG_FILTERS) { 10677 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10678 + " package: " + applicationInfo.packageName 10679 + " activity: " + intent.activity.className 10680 + " origPrio: " + intent.getPriority()); 10681 } 10682 intent.setPriority(0); 10683 return; 10684 } 10685 } 10686 10687 // we found matching filter(s); app gets the max priority of all intents 10688 int cappedPriority = 0; 10689 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10690 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10691 } 10692 if (intent.getPriority() > cappedPriority) { 10693 if (DEBUG_FILTERS) { 10694 Slog.i(TAG, "Found matching filter(s);" 10695 + " cap priority to " + cappedPriority + ";" 10696 + " package: " + applicationInfo.packageName 10697 + " activity: " + intent.activity.className 10698 + " origPrio: " + intent.getPriority()); 10699 } 10700 intent.setPriority(cappedPriority); 10701 return; 10702 } 10703 // all this for nothing; the requested priority was <= what was on the system 10704 } 10705 10706 public final void addActivity(PackageParser.Activity a, String type) { 10707 mActivities.put(a.getComponentName(), a); 10708 if (DEBUG_SHOW_INFO) 10709 Log.v( 10710 TAG, " " + type + " " + 10711 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10712 if (DEBUG_SHOW_INFO) 10713 Log.v(TAG, " Class=" + a.info.name); 10714 final int NI = a.intents.size(); 10715 for (int j=0; j<NI; j++) { 10716 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10717 if ("activity".equals(type)) { 10718 final PackageSetting ps = 10719 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10720 final List<PackageParser.Activity> systemActivities = 10721 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10722 adjustPriority(systemActivities, intent); 10723 } 10724 if (DEBUG_SHOW_INFO) { 10725 Log.v(TAG, " IntentFilter:"); 10726 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10727 } 10728 if (!intent.debugCheck()) { 10729 Log.w(TAG, "==> For Activity " + a.info.name); 10730 } 10731 addFilter(intent); 10732 } 10733 } 10734 10735 public final void removeActivity(PackageParser.Activity a, String type) { 10736 mActivities.remove(a.getComponentName()); 10737 if (DEBUG_SHOW_INFO) { 10738 Log.v(TAG, " " + type + " " 10739 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10740 : a.info.name) + ":"); 10741 Log.v(TAG, " Class=" + a.info.name); 10742 } 10743 final int NI = a.intents.size(); 10744 for (int j=0; j<NI; j++) { 10745 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10746 if (DEBUG_SHOW_INFO) { 10747 Log.v(TAG, " IntentFilter:"); 10748 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10749 } 10750 removeFilter(intent); 10751 } 10752 } 10753 10754 @Override 10755 protected boolean allowFilterResult( 10756 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10757 ActivityInfo filterAi = filter.activity.info; 10758 for (int i=dest.size()-1; i>=0; i--) { 10759 ActivityInfo destAi = dest.get(i).activityInfo; 10760 if (destAi.name == filterAi.name 10761 && destAi.packageName == filterAi.packageName) { 10762 return false; 10763 } 10764 } 10765 return true; 10766 } 10767 10768 @Override 10769 protected ActivityIntentInfo[] newArray(int size) { 10770 return new ActivityIntentInfo[size]; 10771 } 10772 10773 @Override 10774 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10775 if (!sUserManager.exists(userId)) return true; 10776 PackageParser.Package p = filter.activity.owner; 10777 if (p != null) { 10778 PackageSetting ps = (PackageSetting)p.mExtras; 10779 if (ps != null) { 10780 // System apps are never considered stopped for purposes of 10781 // filtering, because there may be no way for the user to 10782 // actually re-launch them. 10783 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10784 && ps.getStopped(userId); 10785 } 10786 } 10787 return false; 10788 } 10789 10790 @Override 10791 protected boolean isPackageForFilter(String packageName, 10792 PackageParser.ActivityIntentInfo info) { 10793 return packageName.equals(info.activity.owner.packageName); 10794 } 10795 10796 @Override 10797 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10798 int match, int userId) { 10799 if (!sUserManager.exists(userId)) return null; 10800 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10801 return null; 10802 } 10803 final PackageParser.Activity activity = info.activity; 10804 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10805 if (ps == null) { 10806 return null; 10807 } 10808 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10809 ps.readUserState(userId), userId); 10810 if (ai == null) { 10811 return null; 10812 } 10813 final ResolveInfo res = new ResolveInfo(); 10814 res.activityInfo = ai; 10815 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10816 res.filter = info; 10817 } 10818 if (info != null) { 10819 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10820 } 10821 res.priority = info.getPriority(); 10822 res.preferredOrder = activity.owner.mPreferredOrder; 10823 //System.out.println("Result: " + res.activityInfo.className + 10824 // " = " + res.priority); 10825 res.match = match; 10826 res.isDefault = info.hasDefault; 10827 res.labelRes = info.labelRes; 10828 res.nonLocalizedLabel = info.nonLocalizedLabel; 10829 if (userNeedsBadging(userId)) { 10830 res.noResourceId = true; 10831 } else { 10832 res.icon = info.icon; 10833 } 10834 res.iconResourceId = info.icon; 10835 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10836 return res; 10837 } 10838 10839 @Override 10840 protected void sortResults(List<ResolveInfo> results) { 10841 Collections.sort(results, mResolvePrioritySorter); 10842 } 10843 10844 @Override 10845 protected void dumpFilter(PrintWriter out, String prefix, 10846 PackageParser.ActivityIntentInfo filter) { 10847 out.print(prefix); out.print( 10848 Integer.toHexString(System.identityHashCode(filter.activity))); 10849 out.print(' '); 10850 filter.activity.printComponentShortName(out); 10851 out.print(" filter "); 10852 out.println(Integer.toHexString(System.identityHashCode(filter))); 10853 } 10854 10855 @Override 10856 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10857 return filter.activity; 10858 } 10859 10860 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10861 PackageParser.Activity activity = (PackageParser.Activity)label; 10862 out.print(prefix); out.print( 10863 Integer.toHexString(System.identityHashCode(activity))); 10864 out.print(' '); 10865 activity.printComponentShortName(out); 10866 if (count > 1) { 10867 out.print(" ("); out.print(count); out.print(" filters)"); 10868 } 10869 out.println(); 10870 } 10871 10872 // Keys are String (activity class name), values are Activity. 10873 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10874 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10875 private int mFlags; 10876 } 10877 10878 private final class ServiceIntentResolver 10879 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10880 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10881 boolean defaultOnly, int userId) { 10882 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10883 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10884 } 10885 10886 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10887 int userId) { 10888 if (!sUserManager.exists(userId)) return null; 10889 mFlags = flags; 10890 return super.queryIntent(intent, resolvedType, 10891 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10892 } 10893 10894 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10895 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10896 if (!sUserManager.exists(userId)) return null; 10897 if (packageServices == null) { 10898 return null; 10899 } 10900 mFlags = flags; 10901 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10902 final int N = packageServices.size(); 10903 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10904 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10905 10906 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10907 for (int i = 0; i < N; ++i) { 10908 intentFilters = packageServices.get(i).intents; 10909 if (intentFilters != null && intentFilters.size() > 0) { 10910 PackageParser.ServiceIntentInfo[] array = 10911 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10912 intentFilters.toArray(array); 10913 listCut.add(array); 10914 } 10915 } 10916 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10917 } 10918 10919 public final void addService(PackageParser.Service s) { 10920 mServices.put(s.getComponentName(), s); 10921 if (DEBUG_SHOW_INFO) { 10922 Log.v(TAG, " " 10923 + (s.info.nonLocalizedLabel != null 10924 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10925 Log.v(TAG, " Class=" + s.info.name); 10926 } 10927 final int NI = s.intents.size(); 10928 int j; 10929 for (j=0; j<NI; j++) { 10930 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10931 if (DEBUG_SHOW_INFO) { 10932 Log.v(TAG, " IntentFilter:"); 10933 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10934 } 10935 if (!intent.debugCheck()) { 10936 Log.w(TAG, "==> For Service " + s.info.name); 10937 } 10938 addFilter(intent); 10939 } 10940 } 10941 10942 public final void removeService(PackageParser.Service s) { 10943 mServices.remove(s.getComponentName()); 10944 if (DEBUG_SHOW_INFO) { 10945 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10946 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10947 Log.v(TAG, " Class=" + s.info.name); 10948 } 10949 final int NI = s.intents.size(); 10950 int j; 10951 for (j=0; j<NI; j++) { 10952 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10953 if (DEBUG_SHOW_INFO) { 10954 Log.v(TAG, " IntentFilter:"); 10955 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10956 } 10957 removeFilter(intent); 10958 } 10959 } 10960 10961 @Override 10962 protected boolean allowFilterResult( 10963 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10964 ServiceInfo filterSi = filter.service.info; 10965 for (int i=dest.size()-1; i>=0; i--) { 10966 ServiceInfo destAi = dest.get(i).serviceInfo; 10967 if (destAi.name == filterSi.name 10968 && destAi.packageName == filterSi.packageName) { 10969 return false; 10970 } 10971 } 10972 return true; 10973 } 10974 10975 @Override 10976 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10977 return new PackageParser.ServiceIntentInfo[size]; 10978 } 10979 10980 @Override 10981 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10982 if (!sUserManager.exists(userId)) return true; 10983 PackageParser.Package p = filter.service.owner; 10984 if (p != null) { 10985 PackageSetting ps = (PackageSetting)p.mExtras; 10986 if (ps != null) { 10987 // System apps are never considered stopped for purposes of 10988 // filtering, because there may be no way for the user to 10989 // actually re-launch them. 10990 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10991 && ps.getStopped(userId); 10992 } 10993 } 10994 return false; 10995 } 10996 10997 @Override 10998 protected boolean isPackageForFilter(String packageName, 10999 PackageParser.ServiceIntentInfo info) { 11000 return packageName.equals(info.service.owner.packageName); 11001 } 11002 11003 @Override 11004 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11005 int match, int userId) { 11006 if (!sUserManager.exists(userId)) return null; 11007 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11008 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11009 return null; 11010 } 11011 final PackageParser.Service service = info.service; 11012 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11013 if (ps == null) { 11014 return null; 11015 } 11016 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11017 ps.readUserState(userId), userId); 11018 if (si == null) { 11019 return null; 11020 } 11021 final ResolveInfo res = new ResolveInfo(); 11022 res.serviceInfo = si; 11023 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11024 res.filter = filter; 11025 } 11026 res.priority = info.getPriority(); 11027 res.preferredOrder = service.owner.mPreferredOrder; 11028 res.match = match; 11029 res.isDefault = info.hasDefault; 11030 res.labelRes = info.labelRes; 11031 res.nonLocalizedLabel = info.nonLocalizedLabel; 11032 res.icon = info.icon; 11033 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11034 return res; 11035 } 11036 11037 @Override 11038 protected void sortResults(List<ResolveInfo> results) { 11039 Collections.sort(results, mResolvePrioritySorter); 11040 } 11041 11042 @Override 11043 protected void dumpFilter(PrintWriter out, String prefix, 11044 PackageParser.ServiceIntentInfo filter) { 11045 out.print(prefix); out.print( 11046 Integer.toHexString(System.identityHashCode(filter.service))); 11047 out.print(' '); 11048 filter.service.printComponentShortName(out); 11049 out.print(" filter "); 11050 out.println(Integer.toHexString(System.identityHashCode(filter))); 11051 } 11052 11053 @Override 11054 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11055 return filter.service; 11056 } 11057 11058 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11059 PackageParser.Service service = (PackageParser.Service)label; 11060 out.print(prefix); out.print( 11061 Integer.toHexString(System.identityHashCode(service))); 11062 out.print(' '); 11063 service.printComponentShortName(out); 11064 if (count > 1) { 11065 out.print(" ("); out.print(count); out.print(" filters)"); 11066 } 11067 out.println(); 11068 } 11069 11070// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11071// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11072// final List<ResolveInfo> retList = Lists.newArrayList(); 11073// while (i.hasNext()) { 11074// final ResolveInfo resolveInfo = (ResolveInfo) i; 11075// if (isEnabledLP(resolveInfo.serviceInfo)) { 11076// retList.add(resolveInfo); 11077// } 11078// } 11079// return retList; 11080// } 11081 11082 // Keys are String (activity class name), values are Activity. 11083 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11084 = new ArrayMap<ComponentName, PackageParser.Service>(); 11085 private int mFlags; 11086 }; 11087 11088 private final class ProviderIntentResolver 11089 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11090 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11091 boolean defaultOnly, int userId) { 11092 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11093 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11094 } 11095 11096 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11097 int userId) { 11098 if (!sUserManager.exists(userId)) 11099 return null; 11100 mFlags = flags; 11101 return super.queryIntent(intent, resolvedType, 11102 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11103 } 11104 11105 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11106 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11107 if (!sUserManager.exists(userId)) 11108 return null; 11109 if (packageProviders == null) { 11110 return null; 11111 } 11112 mFlags = flags; 11113 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11114 final int N = packageProviders.size(); 11115 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11116 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11117 11118 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11119 for (int i = 0; i < N; ++i) { 11120 intentFilters = packageProviders.get(i).intents; 11121 if (intentFilters != null && intentFilters.size() > 0) { 11122 PackageParser.ProviderIntentInfo[] array = 11123 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11124 intentFilters.toArray(array); 11125 listCut.add(array); 11126 } 11127 } 11128 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11129 } 11130 11131 public final void addProvider(PackageParser.Provider p) { 11132 if (mProviders.containsKey(p.getComponentName())) { 11133 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11134 return; 11135 } 11136 11137 mProviders.put(p.getComponentName(), p); 11138 if (DEBUG_SHOW_INFO) { 11139 Log.v(TAG, " " 11140 + (p.info.nonLocalizedLabel != null 11141 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11142 Log.v(TAG, " Class=" + p.info.name); 11143 } 11144 final int NI = p.intents.size(); 11145 int j; 11146 for (j = 0; j < NI; j++) { 11147 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11148 if (DEBUG_SHOW_INFO) { 11149 Log.v(TAG, " IntentFilter:"); 11150 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11151 } 11152 if (!intent.debugCheck()) { 11153 Log.w(TAG, "==> For Provider " + p.info.name); 11154 } 11155 addFilter(intent); 11156 } 11157 } 11158 11159 public final void removeProvider(PackageParser.Provider p) { 11160 mProviders.remove(p.getComponentName()); 11161 if (DEBUG_SHOW_INFO) { 11162 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11163 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11164 Log.v(TAG, " Class=" + p.info.name); 11165 } 11166 final int NI = p.intents.size(); 11167 int j; 11168 for (j = 0; j < NI; j++) { 11169 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11170 if (DEBUG_SHOW_INFO) { 11171 Log.v(TAG, " IntentFilter:"); 11172 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11173 } 11174 removeFilter(intent); 11175 } 11176 } 11177 11178 @Override 11179 protected boolean allowFilterResult( 11180 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11181 ProviderInfo filterPi = filter.provider.info; 11182 for (int i = dest.size() - 1; i >= 0; i--) { 11183 ProviderInfo destPi = dest.get(i).providerInfo; 11184 if (destPi.name == filterPi.name 11185 && destPi.packageName == filterPi.packageName) { 11186 return false; 11187 } 11188 } 11189 return true; 11190 } 11191 11192 @Override 11193 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11194 return new PackageParser.ProviderIntentInfo[size]; 11195 } 11196 11197 @Override 11198 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11199 if (!sUserManager.exists(userId)) 11200 return true; 11201 PackageParser.Package p = filter.provider.owner; 11202 if (p != null) { 11203 PackageSetting ps = (PackageSetting) p.mExtras; 11204 if (ps != null) { 11205 // System apps are never considered stopped for purposes of 11206 // filtering, because there may be no way for the user to 11207 // actually re-launch them. 11208 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11209 && ps.getStopped(userId); 11210 } 11211 } 11212 return false; 11213 } 11214 11215 @Override 11216 protected boolean isPackageForFilter(String packageName, 11217 PackageParser.ProviderIntentInfo info) { 11218 return packageName.equals(info.provider.owner.packageName); 11219 } 11220 11221 @Override 11222 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11223 int match, int userId) { 11224 if (!sUserManager.exists(userId)) 11225 return null; 11226 final PackageParser.ProviderIntentInfo info = filter; 11227 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11228 return null; 11229 } 11230 final PackageParser.Provider provider = info.provider; 11231 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11232 if (ps == null) { 11233 return null; 11234 } 11235 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11236 ps.readUserState(userId), userId); 11237 if (pi == null) { 11238 return null; 11239 } 11240 final ResolveInfo res = new ResolveInfo(); 11241 res.providerInfo = pi; 11242 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11243 res.filter = filter; 11244 } 11245 res.priority = info.getPriority(); 11246 res.preferredOrder = provider.owner.mPreferredOrder; 11247 res.match = match; 11248 res.isDefault = info.hasDefault; 11249 res.labelRes = info.labelRes; 11250 res.nonLocalizedLabel = info.nonLocalizedLabel; 11251 res.icon = info.icon; 11252 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11253 return res; 11254 } 11255 11256 @Override 11257 protected void sortResults(List<ResolveInfo> results) { 11258 Collections.sort(results, mResolvePrioritySorter); 11259 } 11260 11261 @Override 11262 protected void dumpFilter(PrintWriter out, String prefix, 11263 PackageParser.ProviderIntentInfo filter) { 11264 out.print(prefix); 11265 out.print( 11266 Integer.toHexString(System.identityHashCode(filter.provider))); 11267 out.print(' '); 11268 filter.provider.printComponentShortName(out); 11269 out.print(" filter "); 11270 out.println(Integer.toHexString(System.identityHashCode(filter))); 11271 } 11272 11273 @Override 11274 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11275 return filter.provider; 11276 } 11277 11278 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11279 PackageParser.Provider provider = (PackageParser.Provider)label; 11280 out.print(prefix); out.print( 11281 Integer.toHexString(System.identityHashCode(provider))); 11282 out.print(' '); 11283 provider.printComponentShortName(out); 11284 if (count > 1) { 11285 out.print(" ("); out.print(count); out.print(" filters)"); 11286 } 11287 out.println(); 11288 } 11289 11290 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11291 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11292 private int mFlags; 11293 } 11294 11295 private static final class EphemeralIntentResolver 11296 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11297 @Override 11298 protected EphemeralResolveIntentInfo[] newArray(int size) { 11299 return new EphemeralResolveIntentInfo[size]; 11300 } 11301 11302 @Override 11303 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11304 return true; 11305 } 11306 11307 @Override 11308 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11309 int userId) { 11310 if (!sUserManager.exists(userId)) { 11311 return null; 11312 } 11313 return info.getEphemeralResolveInfo(); 11314 } 11315 } 11316 11317 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11318 new Comparator<ResolveInfo>() { 11319 public int compare(ResolveInfo r1, ResolveInfo r2) { 11320 int v1 = r1.priority; 11321 int v2 = r2.priority; 11322 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11323 if (v1 != v2) { 11324 return (v1 > v2) ? -1 : 1; 11325 } 11326 v1 = r1.preferredOrder; 11327 v2 = r2.preferredOrder; 11328 if (v1 != v2) { 11329 return (v1 > v2) ? -1 : 1; 11330 } 11331 if (r1.isDefault != r2.isDefault) { 11332 return r1.isDefault ? -1 : 1; 11333 } 11334 v1 = r1.match; 11335 v2 = r2.match; 11336 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11337 if (v1 != v2) { 11338 return (v1 > v2) ? -1 : 1; 11339 } 11340 if (r1.system != r2.system) { 11341 return r1.system ? -1 : 1; 11342 } 11343 if (r1.activityInfo != null) { 11344 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11345 } 11346 if (r1.serviceInfo != null) { 11347 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11348 } 11349 if (r1.providerInfo != null) { 11350 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11351 } 11352 return 0; 11353 } 11354 }; 11355 11356 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11357 new Comparator<ProviderInfo>() { 11358 public int compare(ProviderInfo p1, ProviderInfo p2) { 11359 final int v1 = p1.initOrder; 11360 final int v2 = p2.initOrder; 11361 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11362 } 11363 }; 11364 11365 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11366 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11367 final int[] userIds) { 11368 mHandler.post(new Runnable() { 11369 @Override 11370 public void run() { 11371 try { 11372 final IActivityManager am = ActivityManagerNative.getDefault(); 11373 if (am == null) return; 11374 final int[] resolvedUserIds; 11375 if (userIds == null) { 11376 resolvedUserIds = am.getRunningUserIds(); 11377 } else { 11378 resolvedUserIds = userIds; 11379 } 11380 for (int id : resolvedUserIds) { 11381 final Intent intent = new Intent(action, 11382 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11383 if (extras != null) { 11384 intent.putExtras(extras); 11385 } 11386 if (targetPkg != null) { 11387 intent.setPackage(targetPkg); 11388 } 11389 // Modify the UID when posting to other users 11390 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11391 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11392 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11393 intent.putExtra(Intent.EXTRA_UID, uid); 11394 } 11395 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11396 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11397 if (DEBUG_BROADCASTS) { 11398 RuntimeException here = new RuntimeException("here"); 11399 here.fillInStackTrace(); 11400 Slog.d(TAG, "Sending to user " + id + ": " 11401 + intent.toShortString(false, true, false, false) 11402 + " " + intent.getExtras(), here); 11403 } 11404 am.broadcastIntent(null, intent, null, finishedReceiver, 11405 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11406 null, finishedReceiver != null, false, id); 11407 } 11408 } catch (RemoteException ex) { 11409 } 11410 } 11411 }); 11412 } 11413 11414 /** 11415 * Check if the external storage media is available. This is true if there 11416 * is a mounted external storage medium or if the external storage is 11417 * emulated. 11418 */ 11419 private boolean isExternalMediaAvailable() { 11420 return mMediaMounted || Environment.isExternalStorageEmulated(); 11421 } 11422 11423 @Override 11424 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11425 // writer 11426 synchronized (mPackages) { 11427 if (!isExternalMediaAvailable()) { 11428 // If the external storage is no longer mounted at this point, 11429 // the caller may not have been able to delete all of this 11430 // packages files and can not delete any more. Bail. 11431 return null; 11432 } 11433 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11434 if (lastPackage != null) { 11435 pkgs.remove(lastPackage); 11436 } 11437 if (pkgs.size() > 0) { 11438 return pkgs.get(0); 11439 } 11440 } 11441 return null; 11442 } 11443 11444 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11445 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11446 userId, andCode ? 1 : 0, packageName); 11447 if (mSystemReady) { 11448 msg.sendToTarget(); 11449 } else { 11450 if (mPostSystemReadyMessages == null) { 11451 mPostSystemReadyMessages = new ArrayList<>(); 11452 } 11453 mPostSystemReadyMessages.add(msg); 11454 } 11455 } 11456 11457 void startCleaningPackages() { 11458 // reader 11459 if (!isExternalMediaAvailable()) { 11460 return; 11461 } 11462 synchronized (mPackages) { 11463 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11464 return; 11465 } 11466 } 11467 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11468 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11469 IActivityManager am = ActivityManagerNative.getDefault(); 11470 if (am != null) { 11471 try { 11472 am.startService(null, intent, null, mContext.getOpPackageName(), 11473 UserHandle.USER_SYSTEM); 11474 } catch (RemoteException e) { 11475 } 11476 } 11477 } 11478 11479 @Override 11480 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11481 int installFlags, String installerPackageName, int userId) { 11482 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11483 11484 final int callingUid = Binder.getCallingUid(); 11485 enforceCrossUserPermission(callingUid, userId, 11486 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11487 11488 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11489 try { 11490 if (observer != null) { 11491 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11492 } 11493 } catch (RemoteException re) { 11494 } 11495 return; 11496 } 11497 11498 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11499 installFlags |= PackageManager.INSTALL_FROM_ADB; 11500 11501 } else { 11502 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11503 // about installerPackageName. 11504 11505 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11506 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11507 } 11508 11509 UserHandle user; 11510 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11511 user = UserHandle.ALL; 11512 } else { 11513 user = new UserHandle(userId); 11514 } 11515 11516 // Only system components can circumvent runtime permissions when installing. 11517 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11518 && mContext.checkCallingOrSelfPermission(Manifest.permission 11519 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11520 throw new SecurityException("You need the " 11521 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11522 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11523 } 11524 11525 final File originFile = new File(originPath); 11526 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11527 11528 final Message msg = mHandler.obtainMessage(INIT_COPY); 11529 final VerificationInfo verificationInfo = new VerificationInfo( 11530 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11531 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11532 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11533 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11534 null /*certificates*/); 11535 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11536 msg.obj = params; 11537 11538 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11539 System.identityHashCode(msg.obj)); 11540 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11541 System.identityHashCode(msg.obj)); 11542 11543 mHandler.sendMessage(msg); 11544 } 11545 11546 void installStage(String packageName, File stagedDir, String stagedCid, 11547 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11548 String installerPackageName, int installerUid, UserHandle user, 11549 Certificate[][] certificates) { 11550 if (DEBUG_EPHEMERAL) { 11551 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11552 Slog.d(TAG, "Ephemeral install of " + packageName); 11553 } 11554 } 11555 final VerificationInfo verificationInfo = new VerificationInfo( 11556 sessionParams.originatingUri, sessionParams.referrerUri, 11557 sessionParams.originatingUid, installerUid); 11558 11559 final OriginInfo origin; 11560 if (stagedDir != null) { 11561 origin = OriginInfo.fromStagedFile(stagedDir); 11562 } else { 11563 origin = OriginInfo.fromStagedContainer(stagedCid); 11564 } 11565 11566 final Message msg = mHandler.obtainMessage(INIT_COPY); 11567 final InstallParams params = new InstallParams(origin, null, observer, 11568 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11569 verificationInfo, user, sessionParams.abiOverride, 11570 sessionParams.grantedRuntimePermissions, certificates); 11571 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11572 msg.obj = params; 11573 11574 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11575 System.identityHashCode(msg.obj)); 11576 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11577 System.identityHashCode(msg.obj)); 11578 11579 mHandler.sendMessage(msg); 11580 } 11581 11582 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11583 int userId) { 11584 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11585 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11586 } 11587 11588 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11589 int appId, int userId) { 11590 Bundle extras = new Bundle(1); 11591 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11592 11593 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11594 packageName, extras, 0, null, null, new int[] {userId}); 11595 try { 11596 IActivityManager am = ActivityManagerNative.getDefault(); 11597 if (isSystem && am.isUserRunning(userId, 0)) { 11598 // The just-installed/enabled app is bundled on the system, so presumed 11599 // to be able to run automatically without needing an explicit launch. 11600 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11601 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11602 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11603 .setPackage(packageName); 11604 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11605 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11606 } 11607 } catch (RemoteException e) { 11608 // shouldn't happen 11609 Slog.w(TAG, "Unable to bootstrap installed package", e); 11610 } 11611 } 11612 11613 @Override 11614 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11615 int userId) { 11616 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11617 PackageSetting pkgSetting; 11618 final int uid = Binder.getCallingUid(); 11619 enforceCrossUserPermission(uid, userId, 11620 true /* requireFullPermission */, true /* checkShell */, 11621 "setApplicationHiddenSetting for user " + userId); 11622 11623 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11624 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11625 return false; 11626 } 11627 11628 long callingId = Binder.clearCallingIdentity(); 11629 try { 11630 boolean sendAdded = false; 11631 boolean sendRemoved = false; 11632 // writer 11633 synchronized (mPackages) { 11634 pkgSetting = mSettings.mPackages.get(packageName); 11635 if (pkgSetting == null) { 11636 return false; 11637 } 11638 if (pkgSetting.getHidden(userId) != hidden) { 11639 pkgSetting.setHidden(hidden, userId); 11640 mSettings.writePackageRestrictionsLPr(userId); 11641 if (hidden) { 11642 sendRemoved = true; 11643 } else { 11644 sendAdded = true; 11645 } 11646 } 11647 } 11648 if (sendAdded) { 11649 sendPackageAddedForUser(packageName, pkgSetting, userId); 11650 return true; 11651 } 11652 if (sendRemoved) { 11653 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11654 "hiding pkg"); 11655 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11656 return true; 11657 } 11658 } finally { 11659 Binder.restoreCallingIdentity(callingId); 11660 } 11661 return false; 11662 } 11663 11664 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11665 int userId) { 11666 final PackageRemovedInfo info = new PackageRemovedInfo(); 11667 info.removedPackage = packageName; 11668 info.removedUsers = new int[] {userId}; 11669 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11670 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11671 } 11672 11673 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11674 if (pkgList.length > 0) { 11675 Bundle extras = new Bundle(1); 11676 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11677 11678 sendPackageBroadcast( 11679 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11680 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11681 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11682 new int[] {userId}); 11683 } 11684 } 11685 11686 /** 11687 * Returns true if application is not found or there was an error. Otherwise it returns 11688 * the hidden state of the package for the given user. 11689 */ 11690 @Override 11691 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11692 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11693 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11694 true /* requireFullPermission */, false /* checkShell */, 11695 "getApplicationHidden for user " + userId); 11696 PackageSetting pkgSetting; 11697 long callingId = Binder.clearCallingIdentity(); 11698 try { 11699 // writer 11700 synchronized (mPackages) { 11701 pkgSetting = mSettings.mPackages.get(packageName); 11702 if (pkgSetting == null) { 11703 return true; 11704 } 11705 return pkgSetting.getHidden(userId); 11706 } 11707 } finally { 11708 Binder.restoreCallingIdentity(callingId); 11709 } 11710 } 11711 11712 /** 11713 * @hide 11714 */ 11715 @Override 11716 public int installExistingPackageAsUser(String packageName, int userId) { 11717 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11718 null); 11719 PackageSetting pkgSetting; 11720 final int uid = Binder.getCallingUid(); 11721 enforceCrossUserPermission(uid, userId, 11722 true /* requireFullPermission */, true /* checkShell */, 11723 "installExistingPackage for user " + userId); 11724 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11725 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11726 } 11727 11728 long callingId = Binder.clearCallingIdentity(); 11729 try { 11730 boolean installed = false; 11731 11732 // writer 11733 synchronized (mPackages) { 11734 pkgSetting = mSettings.mPackages.get(packageName); 11735 if (pkgSetting == null) { 11736 return PackageManager.INSTALL_FAILED_INVALID_URI; 11737 } 11738 if (!pkgSetting.getInstalled(userId)) { 11739 pkgSetting.setInstalled(true, userId); 11740 pkgSetting.setHidden(false, userId); 11741 mSettings.writePackageRestrictionsLPr(userId); 11742 installed = true; 11743 } 11744 } 11745 11746 if (installed) { 11747 if (pkgSetting.pkg != null) { 11748 synchronized (mInstallLock) { 11749 // We don't need to freeze for a brand new install 11750 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11751 } 11752 } 11753 sendPackageAddedForUser(packageName, pkgSetting, userId); 11754 } 11755 } finally { 11756 Binder.restoreCallingIdentity(callingId); 11757 } 11758 11759 return PackageManager.INSTALL_SUCCEEDED; 11760 } 11761 11762 boolean isUserRestricted(int userId, String restrictionKey) { 11763 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11764 if (restrictions.getBoolean(restrictionKey, false)) { 11765 Log.w(TAG, "User is restricted: " + restrictionKey); 11766 return true; 11767 } 11768 return false; 11769 } 11770 11771 @Override 11772 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11773 int userId) { 11774 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11775 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11776 true /* requireFullPermission */, true /* checkShell */, 11777 "setPackagesSuspended for user " + userId); 11778 11779 if (ArrayUtils.isEmpty(packageNames)) { 11780 return packageNames; 11781 } 11782 11783 // List of package names for whom the suspended state has changed. 11784 List<String> changedPackages = new ArrayList<>(packageNames.length); 11785 // List of package names for whom the suspended state is not set as requested in this 11786 // method. 11787 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11788 long callingId = Binder.clearCallingIdentity(); 11789 try { 11790 for (int i = 0; i < packageNames.length; i++) { 11791 String packageName = packageNames[i]; 11792 boolean changed = false; 11793 final int appId; 11794 synchronized (mPackages) { 11795 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11796 if (pkgSetting == null) { 11797 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11798 + "\". Skipping suspending/un-suspending."); 11799 unactionedPackages.add(packageName); 11800 continue; 11801 } 11802 appId = pkgSetting.appId; 11803 if (pkgSetting.getSuspended(userId) != suspended) { 11804 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11805 unactionedPackages.add(packageName); 11806 continue; 11807 } 11808 pkgSetting.setSuspended(suspended, userId); 11809 mSettings.writePackageRestrictionsLPr(userId); 11810 changed = true; 11811 changedPackages.add(packageName); 11812 } 11813 } 11814 11815 if (changed && suspended) { 11816 killApplication(packageName, UserHandle.getUid(userId, appId), 11817 "suspending package"); 11818 } 11819 } 11820 } finally { 11821 Binder.restoreCallingIdentity(callingId); 11822 } 11823 11824 if (!changedPackages.isEmpty()) { 11825 sendPackagesSuspendedForUser(changedPackages.toArray( 11826 new String[changedPackages.size()]), userId, suspended); 11827 } 11828 11829 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11830 } 11831 11832 @Override 11833 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11834 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11835 true /* requireFullPermission */, false /* checkShell */, 11836 "isPackageSuspendedForUser for user " + userId); 11837 synchronized (mPackages) { 11838 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11839 if (pkgSetting == null) { 11840 throw new IllegalArgumentException("Unknown target package: " + packageName); 11841 } 11842 return pkgSetting.getSuspended(userId); 11843 } 11844 } 11845 11846 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11847 if (isPackageDeviceAdmin(packageName, userId)) { 11848 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11849 + "\": has an active device admin"); 11850 return false; 11851 } 11852 11853 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11854 if (packageName.equals(activeLauncherPackageName)) { 11855 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11856 + "\": contains the active launcher"); 11857 return false; 11858 } 11859 11860 if (packageName.equals(mRequiredInstallerPackage)) { 11861 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11862 + "\": required for package installation"); 11863 return false; 11864 } 11865 11866 if (packageName.equals(mRequiredVerifierPackage)) { 11867 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11868 + "\": required for package verification"); 11869 return false; 11870 } 11871 11872 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11873 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11874 + "\": is the default dialer"); 11875 return false; 11876 } 11877 11878 return true; 11879 } 11880 11881 private String getActiveLauncherPackageName(int userId) { 11882 Intent intent = new Intent(Intent.ACTION_MAIN); 11883 intent.addCategory(Intent.CATEGORY_HOME); 11884 ResolveInfo resolveInfo = resolveIntent( 11885 intent, 11886 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11887 PackageManager.MATCH_DEFAULT_ONLY, 11888 userId); 11889 11890 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11891 } 11892 11893 private String getDefaultDialerPackageName(int userId) { 11894 synchronized (mPackages) { 11895 return mSettings.getDefaultDialerPackageNameLPw(userId); 11896 } 11897 } 11898 11899 @Override 11900 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11901 mContext.enforceCallingOrSelfPermission( 11902 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11903 "Only package verification agents can verify applications"); 11904 11905 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11906 final PackageVerificationResponse response = new PackageVerificationResponse( 11907 verificationCode, Binder.getCallingUid()); 11908 msg.arg1 = id; 11909 msg.obj = response; 11910 mHandler.sendMessage(msg); 11911 } 11912 11913 @Override 11914 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11915 long millisecondsToDelay) { 11916 mContext.enforceCallingOrSelfPermission( 11917 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11918 "Only package verification agents can extend verification timeouts"); 11919 11920 final PackageVerificationState state = mPendingVerification.get(id); 11921 final PackageVerificationResponse response = new PackageVerificationResponse( 11922 verificationCodeAtTimeout, Binder.getCallingUid()); 11923 11924 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11925 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11926 } 11927 if (millisecondsToDelay < 0) { 11928 millisecondsToDelay = 0; 11929 } 11930 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11931 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11932 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11933 } 11934 11935 if ((state != null) && !state.timeoutExtended()) { 11936 state.extendTimeout(); 11937 11938 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11939 msg.arg1 = id; 11940 msg.obj = response; 11941 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11942 } 11943 } 11944 11945 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11946 int verificationCode, UserHandle user) { 11947 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11948 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11949 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11950 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11951 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11952 11953 mContext.sendBroadcastAsUser(intent, user, 11954 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11955 } 11956 11957 private ComponentName matchComponentForVerifier(String packageName, 11958 List<ResolveInfo> receivers) { 11959 ActivityInfo targetReceiver = null; 11960 11961 final int NR = receivers.size(); 11962 for (int i = 0; i < NR; i++) { 11963 final ResolveInfo info = receivers.get(i); 11964 if (info.activityInfo == null) { 11965 continue; 11966 } 11967 11968 if (packageName.equals(info.activityInfo.packageName)) { 11969 targetReceiver = info.activityInfo; 11970 break; 11971 } 11972 } 11973 11974 if (targetReceiver == null) { 11975 return null; 11976 } 11977 11978 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11979 } 11980 11981 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11982 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11983 if (pkgInfo.verifiers.length == 0) { 11984 return null; 11985 } 11986 11987 final int N = pkgInfo.verifiers.length; 11988 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11989 for (int i = 0; i < N; i++) { 11990 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11991 11992 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11993 receivers); 11994 if (comp == null) { 11995 continue; 11996 } 11997 11998 final int verifierUid = getUidForVerifier(verifierInfo); 11999 if (verifierUid == -1) { 12000 continue; 12001 } 12002 12003 if (DEBUG_VERIFY) { 12004 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12005 + " with the correct signature"); 12006 } 12007 sufficientVerifiers.add(comp); 12008 verificationState.addSufficientVerifier(verifierUid); 12009 } 12010 12011 return sufficientVerifiers; 12012 } 12013 12014 private int getUidForVerifier(VerifierInfo verifierInfo) { 12015 synchronized (mPackages) { 12016 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12017 if (pkg == null) { 12018 return -1; 12019 } else if (pkg.mSignatures.length != 1) { 12020 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12021 + " has more than one signature; ignoring"); 12022 return -1; 12023 } 12024 12025 /* 12026 * If the public key of the package's signature does not match 12027 * our expected public key, then this is a different package and 12028 * we should skip. 12029 */ 12030 12031 final byte[] expectedPublicKey; 12032 try { 12033 final Signature verifierSig = pkg.mSignatures[0]; 12034 final PublicKey publicKey = verifierSig.getPublicKey(); 12035 expectedPublicKey = publicKey.getEncoded(); 12036 } catch (CertificateException e) { 12037 return -1; 12038 } 12039 12040 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12041 12042 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12043 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12044 + " does not have the expected public key; ignoring"); 12045 return -1; 12046 } 12047 12048 return pkg.applicationInfo.uid; 12049 } 12050 } 12051 12052 @Override 12053 public void finishPackageInstall(int token, boolean didLaunch) { 12054 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12055 12056 if (DEBUG_INSTALL) { 12057 Slog.v(TAG, "BM finishing package install for " + token); 12058 } 12059 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12060 12061 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12062 mHandler.sendMessage(msg); 12063 } 12064 12065 /** 12066 * Get the verification agent timeout. 12067 * 12068 * @return verification timeout in milliseconds 12069 */ 12070 private long getVerificationTimeout() { 12071 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12072 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12073 DEFAULT_VERIFICATION_TIMEOUT); 12074 } 12075 12076 /** 12077 * Get the default verification agent response code. 12078 * 12079 * @return default verification response code 12080 */ 12081 private int getDefaultVerificationResponse() { 12082 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12083 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12084 DEFAULT_VERIFICATION_RESPONSE); 12085 } 12086 12087 /** 12088 * Check whether or not package verification has been enabled. 12089 * 12090 * @return true if verification should be performed 12091 */ 12092 private boolean isVerificationEnabled(int userId, int installFlags) { 12093 if (!DEFAULT_VERIFY_ENABLE) { 12094 return false; 12095 } 12096 // Ephemeral apps don't get the full verification treatment 12097 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12098 if (DEBUG_EPHEMERAL) { 12099 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12100 } 12101 return false; 12102 } 12103 12104 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12105 12106 // Check if installing from ADB 12107 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12108 // Do not run verification in a test harness environment 12109 if (ActivityManager.isRunningInTestHarness()) { 12110 return false; 12111 } 12112 if (ensureVerifyAppsEnabled) { 12113 return true; 12114 } 12115 // Check if the developer does not want package verification for ADB installs 12116 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12117 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12118 return false; 12119 } 12120 } 12121 12122 if (ensureVerifyAppsEnabled) { 12123 return true; 12124 } 12125 12126 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12127 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12128 } 12129 12130 @Override 12131 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12132 throws RemoteException { 12133 mContext.enforceCallingOrSelfPermission( 12134 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12135 "Only intentfilter verification agents can verify applications"); 12136 12137 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12138 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12139 Binder.getCallingUid(), verificationCode, failedDomains); 12140 msg.arg1 = id; 12141 msg.obj = response; 12142 mHandler.sendMessage(msg); 12143 } 12144 12145 @Override 12146 public int getIntentVerificationStatus(String packageName, int userId) { 12147 synchronized (mPackages) { 12148 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12149 } 12150 } 12151 12152 @Override 12153 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12154 mContext.enforceCallingOrSelfPermission( 12155 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12156 12157 boolean result = false; 12158 synchronized (mPackages) { 12159 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12160 } 12161 if (result) { 12162 scheduleWritePackageRestrictionsLocked(userId); 12163 } 12164 return result; 12165 } 12166 12167 @Override 12168 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12169 String packageName) { 12170 synchronized (mPackages) { 12171 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12172 } 12173 } 12174 12175 @Override 12176 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12177 if (TextUtils.isEmpty(packageName)) { 12178 return ParceledListSlice.emptyList(); 12179 } 12180 synchronized (mPackages) { 12181 PackageParser.Package pkg = mPackages.get(packageName); 12182 if (pkg == null || pkg.activities == null) { 12183 return ParceledListSlice.emptyList(); 12184 } 12185 final int count = pkg.activities.size(); 12186 ArrayList<IntentFilter> result = new ArrayList<>(); 12187 for (int n=0; n<count; n++) { 12188 PackageParser.Activity activity = pkg.activities.get(n); 12189 if (activity.intents != null && activity.intents.size() > 0) { 12190 result.addAll(activity.intents); 12191 } 12192 } 12193 return new ParceledListSlice<>(result); 12194 } 12195 } 12196 12197 @Override 12198 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12199 mContext.enforceCallingOrSelfPermission( 12200 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12201 12202 synchronized (mPackages) { 12203 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12204 if (packageName != null) { 12205 result |= updateIntentVerificationStatus(packageName, 12206 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12207 userId); 12208 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12209 packageName, userId); 12210 } 12211 return result; 12212 } 12213 } 12214 12215 @Override 12216 public String getDefaultBrowserPackageName(int userId) { 12217 synchronized (mPackages) { 12218 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12219 } 12220 } 12221 12222 /** 12223 * Get the "allow unknown sources" setting. 12224 * 12225 * @return the current "allow unknown sources" setting 12226 */ 12227 private int getUnknownSourcesSettings() { 12228 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12229 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12230 -1); 12231 } 12232 12233 @Override 12234 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12235 final int uid = Binder.getCallingUid(); 12236 // writer 12237 synchronized (mPackages) { 12238 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12239 if (targetPackageSetting == null) { 12240 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12241 } 12242 12243 PackageSetting installerPackageSetting; 12244 if (installerPackageName != null) { 12245 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12246 if (installerPackageSetting == null) { 12247 throw new IllegalArgumentException("Unknown installer package: " 12248 + installerPackageName); 12249 } 12250 } else { 12251 installerPackageSetting = null; 12252 } 12253 12254 Signature[] callerSignature; 12255 Object obj = mSettings.getUserIdLPr(uid); 12256 if (obj != null) { 12257 if (obj instanceof SharedUserSetting) { 12258 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12259 } else if (obj instanceof PackageSetting) { 12260 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12261 } else { 12262 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12263 } 12264 } else { 12265 throw new SecurityException("Unknown calling UID: " + uid); 12266 } 12267 12268 // Verify: can't set installerPackageName to a package that is 12269 // not signed with the same cert as the caller. 12270 if (installerPackageSetting != null) { 12271 if (compareSignatures(callerSignature, 12272 installerPackageSetting.signatures.mSignatures) 12273 != PackageManager.SIGNATURE_MATCH) { 12274 throw new SecurityException( 12275 "Caller does not have same cert as new installer package " 12276 + installerPackageName); 12277 } 12278 } 12279 12280 // Verify: if target already has an installer package, it must 12281 // be signed with the same cert as the caller. 12282 if (targetPackageSetting.installerPackageName != null) { 12283 PackageSetting setting = mSettings.mPackages.get( 12284 targetPackageSetting.installerPackageName); 12285 // If the currently set package isn't valid, then it's always 12286 // okay to change it. 12287 if (setting != null) { 12288 if (compareSignatures(callerSignature, 12289 setting.signatures.mSignatures) 12290 != PackageManager.SIGNATURE_MATCH) { 12291 throw new SecurityException( 12292 "Caller does not have same cert as old installer package " 12293 + targetPackageSetting.installerPackageName); 12294 } 12295 } 12296 } 12297 12298 // Okay! 12299 targetPackageSetting.installerPackageName = installerPackageName; 12300 if (installerPackageName != null) { 12301 mSettings.mInstallerPackages.add(installerPackageName); 12302 } 12303 scheduleWriteSettingsLocked(); 12304 } 12305 } 12306 12307 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12308 // Queue up an async operation since the package installation may take a little while. 12309 mHandler.post(new Runnable() { 12310 public void run() { 12311 mHandler.removeCallbacks(this); 12312 // Result object to be returned 12313 PackageInstalledInfo res = new PackageInstalledInfo(); 12314 res.setReturnCode(currentStatus); 12315 res.uid = -1; 12316 res.pkg = null; 12317 res.removedInfo = null; 12318 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12319 args.doPreInstall(res.returnCode); 12320 synchronized (mInstallLock) { 12321 installPackageTracedLI(args, res); 12322 } 12323 args.doPostInstall(res.returnCode, res.uid); 12324 } 12325 12326 // A restore should be performed at this point if (a) the install 12327 // succeeded, (b) the operation is not an update, and (c) the new 12328 // package has not opted out of backup participation. 12329 final boolean update = res.removedInfo != null 12330 && res.removedInfo.removedPackage != null; 12331 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12332 boolean doRestore = !update 12333 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12334 12335 // Set up the post-install work request bookkeeping. This will be used 12336 // and cleaned up by the post-install event handling regardless of whether 12337 // there's a restore pass performed. Token values are >= 1. 12338 int token; 12339 if (mNextInstallToken < 0) mNextInstallToken = 1; 12340 token = mNextInstallToken++; 12341 12342 PostInstallData data = new PostInstallData(args, res); 12343 mRunningInstalls.put(token, data); 12344 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12345 12346 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12347 // Pass responsibility to the Backup Manager. It will perform a 12348 // restore if appropriate, then pass responsibility back to the 12349 // Package Manager to run the post-install observer callbacks 12350 // and broadcasts. 12351 IBackupManager bm = IBackupManager.Stub.asInterface( 12352 ServiceManager.getService(Context.BACKUP_SERVICE)); 12353 if (bm != null) { 12354 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12355 + " to BM for possible restore"); 12356 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12357 try { 12358 // TODO: http://b/22388012 12359 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12360 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12361 } else { 12362 doRestore = false; 12363 } 12364 } catch (RemoteException e) { 12365 // can't happen; the backup manager is local 12366 } catch (Exception e) { 12367 Slog.e(TAG, "Exception trying to enqueue restore", e); 12368 doRestore = false; 12369 } 12370 } else { 12371 Slog.e(TAG, "Backup Manager not found!"); 12372 doRestore = false; 12373 } 12374 } 12375 12376 if (!doRestore) { 12377 // No restore possible, or the Backup Manager was mysteriously not 12378 // available -- just fire the post-install work request directly. 12379 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12380 12381 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12382 12383 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12384 mHandler.sendMessage(msg); 12385 } 12386 } 12387 }); 12388 } 12389 12390 /** 12391 * Callback from PackageSettings whenever an app is first transitioned out of the 12392 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12393 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12394 * here whether the app is the target of an ongoing install, and only send the 12395 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12396 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12397 * handling. 12398 */ 12399 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12400 // Serialize this with the rest of the install-process message chain. In the 12401 // restore-at-install case, this Runnable will necessarily run before the 12402 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12403 // are coherent. In the non-restore case, the app has already completed install 12404 // and been launched through some other means, so it is not in a problematic 12405 // state for observers to see the FIRST_LAUNCH signal. 12406 mHandler.post(new Runnable() { 12407 @Override 12408 public void run() { 12409 for (int i = 0; i < mRunningInstalls.size(); i++) { 12410 final PostInstallData data = mRunningInstalls.valueAt(i); 12411 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12412 // right package; but is it for the right user? 12413 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12414 if (userId == data.res.newUsers[uIndex]) { 12415 if (DEBUG_BACKUP) { 12416 Slog.i(TAG, "Package " + pkgName 12417 + " being restored so deferring FIRST_LAUNCH"); 12418 } 12419 return; 12420 } 12421 } 12422 } 12423 } 12424 // didn't find it, so not being restored 12425 if (DEBUG_BACKUP) { 12426 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12427 } 12428 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12429 } 12430 }); 12431 } 12432 12433 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12434 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12435 installerPkg, null, userIds); 12436 } 12437 12438 private abstract class HandlerParams { 12439 private static final int MAX_RETRIES = 4; 12440 12441 /** 12442 * Number of times startCopy() has been attempted and had a non-fatal 12443 * error. 12444 */ 12445 private int mRetries = 0; 12446 12447 /** User handle for the user requesting the information or installation. */ 12448 private final UserHandle mUser; 12449 String traceMethod; 12450 int traceCookie; 12451 12452 HandlerParams(UserHandle user) { 12453 mUser = user; 12454 } 12455 12456 UserHandle getUser() { 12457 return mUser; 12458 } 12459 12460 HandlerParams setTraceMethod(String traceMethod) { 12461 this.traceMethod = traceMethod; 12462 return this; 12463 } 12464 12465 HandlerParams setTraceCookie(int traceCookie) { 12466 this.traceCookie = traceCookie; 12467 return this; 12468 } 12469 12470 final boolean startCopy() { 12471 boolean res; 12472 try { 12473 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12474 12475 if (++mRetries > MAX_RETRIES) { 12476 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12477 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12478 handleServiceError(); 12479 return false; 12480 } else { 12481 handleStartCopy(); 12482 res = true; 12483 } 12484 } catch (RemoteException e) { 12485 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12486 mHandler.sendEmptyMessage(MCS_RECONNECT); 12487 res = false; 12488 } 12489 handleReturnCode(); 12490 return res; 12491 } 12492 12493 final void serviceError() { 12494 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12495 handleServiceError(); 12496 handleReturnCode(); 12497 } 12498 12499 abstract void handleStartCopy() throws RemoteException; 12500 abstract void handleServiceError(); 12501 abstract void handleReturnCode(); 12502 } 12503 12504 class MeasureParams extends HandlerParams { 12505 private final PackageStats mStats; 12506 private boolean mSuccess; 12507 12508 private final IPackageStatsObserver mObserver; 12509 12510 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12511 super(new UserHandle(stats.userHandle)); 12512 mObserver = observer; 12513 mStats = stats; 12514 } 12515 12516 @Override 12517 public String toString() { 12518 return "MeasureParams{" 12519 + Integer.toHexString(System.identityHashCode(this)) 12520 + " " + mStats.packageName + "}"; 12521 } 12522 12523 @Override 12524 void handleStartCopy() throws RemoteException { 12525 synchronized (mInstallLock) { 12526 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12527 } 12528 12529 if (mSuccess) { 12530 final boolean mounted; 12531 if (Environment.isExternalStorageEmulated()) { 12532 mounted = true; 12533 } else { 12534 final String status = Environment.getExternalStorageState(); 12535 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12536 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12537 } 12538 12539 if (mounted) { 12540 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12541 12542 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12543 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12544 12545 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12546 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12547 12548 // Always subtract cache size, since it's a subdirectory 12549 mStats.externalDataSize -= mStats.externalCacheSize; 12550 12551 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12552 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12553 12554 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12555 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12556 } 12557 } 12558 } 12559 12560 @Override 12561 void handleReturnCode() { 12562 if (mObserver != null) { 12563 try { 12564 mObserver.onGetStatsCompleted(mStats, mSuccess); 12565 } catch (RemoteException e) { 12566 Slog.i(TAG, "Observer no longer exists."); 12567 } 12568 } 12569 } 12570 12571 @Override 12572 void handleServiceError() { 12573 Slog.e(TAG, "Could not measure application " + mStats.packageName 12574 + " external storage"); 12575 } 12576 } 12577 12578 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12579 throws RemoteException { 12580 long result = 0; 12581 for (File path : paths) { 12582 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12583 } 12584 return result; 12585 } 12586 12587 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12588 for (File path : paths) { 12589 try { 12590 mcs.clearDirectory(path.getAbsolutePath()); 12591 } catch (RemoteException e) { 12592 } 12593 } 12594 } 12595 12596 static class OriginInfo { 12597 /** 12598 * Location where install is coming from, before it has been 12599 * copied/renamed into place. This could be a single monolithic APK 12600 * file, or a cluster directory. This location may be untrusted. 12601 */ 12602 final File file; 12603 final String cid; 12604 12605 /** 12606 * Flag indicating that {@link #file} or {@link #cid} has already been 12607 * staged, meaning downstream users don't need to defensively copy the 12608 * contents. 12609 */ 12610 final boolean staged; 12611 12612 /** 12613 * Flag indicating that {@link #file} or {@link #cid} is an already 12614 * installed app that is being moved. 12615 */ 12616 final boolean existing; 12617 12618 final String resolvedPath; 12619 final File resolvedFile; 12620 12621 static OriginInfo fromNothing() { 12622 return new OriginInfo(null, null, false, false); 12623 } 12624 12625 static OriginInfo fromUntrustedFile(File file) { 12626 return new OriginInfo(file, null, false, false); 12627 } 12628 12629 static OriginInfo fromExistingFile(File file) { 12630 return new OriginInfo(file, null, false, true); 12631 } 12632 12633 static OriginInfo fromStagedFile(File file) { 12634 return new OriginInfo(file, null, true, false); 12635 } 12636 12637 static OriginInfo fromStagedContainer(String cid) { 12638 return new OriginInfo(null, cid, true, false); 12639 } 12640 12641 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12642 this.file = file; 12643 this.cid = cid; 12644 this.staged = staged; 12645 this.existing = existing; 12646 12647 if (cid != null) { 12648 resolvedPath = PackageHelper.getSdDir(cid); 12649 resolvedFile = new File(resolvedPath); 12650 } else if (file != null) { 12651 resolvedPath = file.getAbsolutePath(); 12652 resolvedFile = file; 12653 } else { 12654 resolvedPath = null; 12655 resolvedFile = null; 12656 } 12657 } 12658 } 12659 12660 static class MoveInfo { 12661 final int moveId; 12662 final String fromUuid; 12663 final String toUuid; 12664 final String packageName; 12665 final String dataAppName; 12666 final int appId; 12667 final String seinfo; 12668 final int targetSdkVersion; 12669 12670 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12671 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12672 this.moveId = moveId; 12673 this.fromUuid = fromUuid; 12674 this.toUuid = toUuid; 12675 this.packageName = packageName; 12676 this.dataAppName = dataAppName; 12677 this.appId = appId; 12678 this.seinfo = seinfo; 12679 this.targetSdkVersion = targetSdkVersion; 12680 } 12681 } 12682 12683 static class VerificationInfo { 12684 /** A constant used to indicate that a uid value is not present. */ 12685 public static final int NO_UID = -1; 12686 12687 /** URI referencing where the package was downloaded from. */ 12688 final Uri originatingUri; 12689 12690 /** HTTP referrer URI associated with the originatingURI. */ 12691 final Uri referrer; 12692 12693 /** UID of the application that the install request originated from. */ 12694 final int originatingUid; 12695 12696 /** UID of application requesting the install */ 12697 final int installerUid; 12698 12699 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12700 this.originatingUri = originatingUri; 12701 this.referrer = referrer; 12702 this.originatingUid = originatingUid; 12703 this.installerUid = installerUid; 12704 } 12705 } 12706 12707 class InstallParams extends HandlerParams { 12708 final OriginInfo origin; 12709 final MoveInfo move; 12710 final IPackageInstallObserver2 observer; 12711 int installFlags; 12712 final String installerPackageName; 12713 final String volumeUuid; 12714 private InstallArgs mArgs; 12715 private int mRet; 12716 final String packageAbiOverride; 12717 final String[] grantedRuntimePermissions; 12718 final VerificationInfo verificationInfo; 12719 final Certificate[][] certificates; 12720 12721 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12722 int installFlags, String installerPackageName, String volumeUuid, 12723 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12724 String[] grantedPermissions, Certificate[][] certificates) { 12725 super(user); 12726 this.origin = origin; 12727 this.move = move; 12728 this.observer = observer; 12729 this.installFlags = installFlags; 12730 this.installerPackageName = installerPackageName; 12731 this.volumeUuid = volumeUuid; 12732 this.verificationInfo = verificationInfo; 12733 this.packageAbiOverride = packageAbiOverride; 12734 this.grantedRuntimePermissions = grantedPermissions; 12735 this.certificates = certificates; 12736 } 12737 12738 @Override 12739 public String toString() { 12740 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12741 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12742 } 12743 12744 private int installLocationPolicy(PackageInfoLite pkgLite) { 12745 String packageName = pkgLite.packageName; 12746 int installLocation = pkgLite.installLocation; 12747 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12748 // reader 12749 synchronized (mPackages) { 12750 // Currently installed package which the new package is attempting to replace or 12751 // null if no such package is installed. 12752 PackageParser.Package installedPkg = mPackages.get(packageName); 12753 // Package which currently owns the data which the new package will own if installed. 12754 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12755 // will be null whereas dataOwnerPkg will contain information about the package 12756 // which was uninstalled while keeping its data. 12757 PackageParser.Package dataOwnerPkg = installedPkg; 12758 if (dataOwnerPkg == null) { 12759 PackageSetting ps = mSettings.mPackages.get(packageName); 12760 if (ps != null) { 12761 dataOwnerPkg = ps.pkg; 12762 } 12763 } 12764 12765 if (dataOwnerPkg != null) { 12766 // If installed, the package will get access to data left on the device by its 12767 // predecessor. As a security measure, this is permited only if this is not a 12768 // version downgrade or if the predecessor package is marked as debuggable and 12769 // a downgrade is explicitly requested. 12770 // 12771 // On debuggable platform builds, downgrades are permitted even for 12772 // non-debuggable packages to make testing easier. Debuggable platform builds do 12773 // not offer security guarantees and thus it's OK to disable some security 12774 // mechanisms to make debugging/testing easier on those builds. However, even on 12775 // debuggable builds downgrades of packages are permitted only if requested via 12776 // installFlags. This is because we aim to keep the behavior of debuggable 12777 // platform builds as close as possible to the behavior of non-debuggable 12778 // platform builds. 12779 final boolean downgradeRequested = 12780 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12781 final boolean packageDebuggable = 12782 (dataOwnerPkg.applicationInfo.flags 12783 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12784 final boolean downgradePermitted = 12785 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12786 if (!downgradePermitted) { 12787 try { 12788 checkDowngrade(dataOwnerPkg, pkgLite); 12789 } catch (PackageManagerException e) { 12790 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12791 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12792 } 12793 } 12794 } 12795 12796 if (installedPkg != null) { 12797 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12798 // Check for updated system application. 12799 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12800 if (onSd) { 12801 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12802 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12803 } 12804 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12805 } else { 12806 if (onSd) { 12807 // Install flag overrides everything. 12808 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12809 } 12810 // If current upgrade specifies particular preference 12811 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12812 // Application explicitly specified internal. 12813 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12814 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12815 // App explictly prefers external. Let policy decide 12816 } else { 12817 // Prefer previous location 12818 if (isExternal(installedPkg)) { 12819 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12820 } 12821 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12822 } 12823 } 12824 } else { 12825 // Invalid install. Return error code 12826 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12827 } 12828 } 12829 } 12830 // All the special cases have been taken care of. 12831 // Return result based on recommended install location. 12832 if (onSd) { 12833 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12834 } 12835 return pkgLite.recommendedInstallLocation; 12836 } 12837 12838 /* 12839 * Invoke remote method to get package information and install 12840 * location values. Override install location based on default 12841 * policy if needed and then create install arguments based 12842 * on the install location. 12843 */ 12844 public void handleStartCopy() throws RemoteException { 12845 int ret = PackageManager.INSTALL_SUCCEEDED; 12846 12847 // If we're already staged, we've firmly committed to an install location 12848 if (origin.staged) { 12849 if (origin.file != null) { 12850 installFlags |= PackageManager.INSTALL_INTERNAL; 12851 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12852 } else if (origin.cid != null) { 12853 installFlags |= PackageManager.INSTALL_EXTERNAL; 12854 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12855 } else { 12856 throw new IllegalStateException("Invalid stage location"); 12857 } 12858 } 12859 12860 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12861 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12862 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12863 PackageInfoLite pkgLite = null; 12864 12865 if (onInt && onSd) { 12866 // Check if both bits are set. 12867 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12868 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12869 } else if (onSd && ephemeral) { 12870 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12871 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12872 } else { 12873 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12874 packageAbiOverride); 12875 12876 if (DEBUG_EPHEMERAL && ephemeral) { 12877 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12878 } 12879 12880 /* 12881 * If we have too little free space, try to free cache 12882 * before giving up. 12883 */ 12884 if (!origin.staged && pkgLite.recommendedInstallLocation 12885 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12886 // TODO: focus freeing disk space on the target device 12887 final StorageManager storage = StorageManager.from(mContext); 12888 final long lowThreshold = storage.getStorageLowBytes( 12889 Environment.getDataDirectory()); 12890 12891 final long sizeBytes = mContainerService.calculateInstalledSize( 12892 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12893 12894 try { 12895 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12896 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12897 installFlags, packageAbiOverride); 12898 } catch (InstallerException e) { 12899 Slog.w(TAG, "Failed to free cache", e); 12900 } 12901 12902 /* 12903 * The cache free must have deleted the file we 12904 * downloaded to install. 12905 * 12906 * TODO: fix the "freeCache" call to not delete 12907 * the file we care about. 12908 */ 12909 if (pkgLite.recommendedInstallLocation 12910 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12911 pkgLite.recommendedInstallLocation 12912 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12913 } 12914 } 12915 } 12916 12917 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12918 int loc = pkgLite.recommendedInstallLocation; 12919 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12920 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12921 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12922 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12923 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12924 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12925 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12926 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12927 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12928 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12929 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12930 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12931 } else { 12932 // Override with defaults if needed. 12933 loc = installLocationPolicy(pkgLite); 12934 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12935 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12936 } else if (!onSd && !onInt) { 12937 // Override install location with flags 12938 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12939 // Set the flag to install on external media. 12940 installFlags |= PackageManager.INSTALL_EXTERNAL; 12941 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12942 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12943 if (DEBUG_EPHEMERAL) { 12944 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12945 } 12946 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12947 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12948 |PackageManager.INSTALL_INTERNAL); 12949 } else { 12950 // Make sure the flag for installing on external 12951 // media is unset 12952 installFlags |= PackageManager.INSTALL_INTERNAL; 12953 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12954 } 12955 } 12956 } 12957 } 12958 12959 final InstallArgs args = createInstallArgs(this); 12960 mArgs = args; 12961 12962 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12963 // TODO: http://b/22976637 12964 // Apps installed for "all" users use the device owner to verify the app 12965 UserHandle verifierUser = getUser(); 12966 if (verifierUser == UserHandle.ALL) { 12967 verifierUser = UserHandle.SYSTEM; 12968 } 12969 12970 /* 12971 * Determine if we have any installed package verifiers. If we 12972 * do, then we'll defer to them to verify the packages. 12973 */ 12974 final int requiredUid = mRequiredVerifierPackage == null ? -1 12975 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12976 verifierUser.getIdentifier()); 12977 if (!origin.existing && requiredUid != -1 12978 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12979 final Intent verification = new Intent( 12980 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12981 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12982 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12983 PACKAGE_MIME_TYPE); 12984 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12985 12986 // Query all live verifiers based on current user state 12987 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12988 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12989 12990 if (DEBUG_VERIFY) { 12991 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12992 + verification.toString() + " with " + pkgLite.verifiers.length 12993 + " optional verifiers"); 12994 } 12995 12996 final int verificationId = mPendingVerificationToken++; 12997 12998 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12999 13000 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13001 installerPackageName); 13002 13003 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13004 installFlags); 13005 13006 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13007 pkgLite.packageName); 13008 13009 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13010 pkgLite.versionCode); 13011 13012 if (verificationInfo != null) { 13013 if (verificationInfo.originatingUri != null) { 13014 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13015 verificationInfo.originatingUri); 13016 } 13017 if (verificationInfo.referrer != null) { 13018 verification.putExtra(Intent.EXTRA_REFERRER, 13019 verificationInfo.referrer); 13020 } 13021 if (verificationInfo.originatingUid >= 0) { 13022 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13023 verificationInfo.originatingUid); 13024 } 13025 if (verificationInfo.installerUid >= 0) { 13026 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13027 verificationInfo.installerUid); 13028 } 13029 } 13030 13031 final PackageVerificationState verificationState = new PackageVerificationState( 13032 requiredUid, args); 13033 13034 mPendingVerification.append(verificationId, verificationState); 13035 13036 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13037 receivers, verificationState); 13038 13039 /* 13040 * If any sufficient verifiers were listed in the package 13041 * manifest, attempt to ask them. 13042 */ 13043 if (sufficientVerifiers != null) { 13044 final int N = sufficientVerifiers.size(); 13045 if (N == 0) { 13046 Slog.i(TAG, "Additional verifiers required, but none installed."); 13047 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13048 } else { 13049 for (int i = 0; i < N; i++) { 13050 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13051 13052 final Intent sufficientIntent = new Intent(verification); 13053 sufficientIntent.setComponent(verifierComponent); 13054 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13055 } 13056 } 13057 } 13058 13059 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13060 mRequiredVerifierPackage, receivers); 13061 if (ret == PackageManager.INSTALL_SUCCEEDED 13062 && mRequiredVerifierPackage != null) { 13063 Trace.asyncTraceBegin( 13064 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13065 /* 13066 * Send the intent to the required verification agent, 13067 * but only start the verification timeout after the 13068 * target BroadcastReceivers have run. 13069 */ 13070 verification.setComponent(requiredVerifierComponent); 13071 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13072 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13073 new BroadcastReceiver() { 13074 @Override 13075 public void onReceive(Context context, Intent intent) { 13076 final Message msg = mHandler 13077 .obtainMessage(CHECK_PENDING_VERIFICATION); 13078 msg.arg1 = verificationId; 13079 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13080 } 13081 }, null, 0, null, null); 13082 13083 /* 13084 * We don't want the copy to proceed until verification 13085 * succeeds, so null out this field. 13086 */ 13087 mArgs = null; 13088 } 13089 } else { 13090 /* 13091 * No package verification is enabled, so immediately start 13092 * the remote call to initiate copy using temporary file. 13093 */ 13094 ret = args.copyApk(mContainerService, true); 13095 } 13096 } 13097 13098 mRet = ret; 13099 } 13100 13101 @Override 13102 void handleReturnCode() { 13103 // If mArgs is null, then MCS couldn't be reached. When it 13104 // reconnects, it will try again to install. At that point, this 13105 // will succeed. 13106 if (mArgs != null) { 13107 processPendingInstall(mArgs, mRet); 13108 } 13109 } 13110 13111 @Override 13112 void handleServiceError() { 13113 mArgs = createInstallArgs(this); 13114 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13115 } 13116 13117 public boolean isForwardLocked() { 13118 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13119 } 13120 } 13121 13122 /** 13123 * Used during creation of InstallArgs 13124 * 13125 * @param installFlags package installation flags 13126 * @return true if should be installed on external storage 13127 */ 13128 private static boolean installOnExternalAsec(int installFlags) { 13129 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13130 return false; 13131 } 13132 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13133 return true; 13134 } 13135 return false; 13136 } 13137 13138 /** 13139 * Used during creation of InstallArgs 13140 * 13141 * @param installFlags package installation flags 13142 * @return true if should be installed as forward locked 13143 */ 13144 private static boolean installForwardLocked(int installFlags) { 13145 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13146 } 13147 13148 private InstallArgs createInstallArgs(InstallParams params) { 13149 if (params.move != null) { 13150 return new MoveInstallArgs(params); 13151 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13152 return new AsecInstallArgs(params); 13153 } else { 13154 return new FileInstallArgs(params); 13155 } 13156 } 13157 13158 /** 13159 * Create args that describe an existing installed package. Typically used 13160 * when cleaning up old installs, or used as a move source. 13161 */ 13162 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13163 String resourcePath, String[] instructionSets) { 13164 final boolean isInAsec; 13165 if (installOnExternalAsec(installFlags)) { 13166 /* Apps on SD card are always in ASEC containers. */ 13167 isInAsec = true; 13168 } else if (installForwardLocked(installFlags) 13169 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13170 /* 13171 * Forward-locked apps are only in ASEC containers if they're the 13172 * new style 13173 */ 13174 isInAsec = true; 13175 } else { 13176 isInAsec = false; 13177 } 13178 13179 if (isInAsec) { 13180 return new AsecInstallArgs(codePath, instructionSets, 13181 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13182 } else { 13183 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13184 } 13185 } 13186 13187 static abstract class InstallArgs { 13188 /** @see InstallParams#origin */ 13189 final OriginInfo origin; 13190 /** @see InstallParams#move */ 13191 final MoveInfo move; 13192 13193 final IPackageInstallObserver2 observer; 13194 // Always refers to PackageManager flags only 13195 final int installFlags; 13196 final String installerPackageName; 13197 final String volumeUuid; 13198 final UserHandle user; 13199 final String abiOverride; 13200 final String[] installGrantPermissions; 13201 /** If non-null, drop an async trace when the install completes */ 13202 final String traceMethod; 13203 final int traceCookie; 13204 final Certificate[][] certificates; 13205 13206 // The list of instruction sets supported by this app. This is currently 13207 // only used during the rmdex() phase to clean up resources. We can get rid of this 13208 // if we move dex files under the common app path. 13209 /* nullable */ String[] instructionSets; 13210 13211 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13212 int installFlags, String installerPackageName, String volumeUuid, 13213 UserHandle user, String[] instructionSets, 13214 String abiOverride, String[] installGrantPermissions, 13215 String traceMethod, int traceCookie, Certificate[][] certificates) { 13216 this.origin = origin; 13217 this.move = move; 13218 this.installFlags = installFlags; 13219 this.observer = observer; 13220 this.installerPackageName = installerPackageName; 13221 this.volumeUuid = volumeUuid; 13222 this.user = user; 13223 this.instructionSets = instructionSets; 13224 this.abiOverride = abiOverride; 13225 this.installGrantPermissions = installGrantPermissions; 13226 this.traceMethod = traceMethod; 13227 this.traceCookie = traceCookie; 13228 this.certificates = certificates; 13229 } 13230 13231 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13232 abstract int doPreInstall(int status); 13233 13234 /** 13235 * Rename package into final resting place. All paths on the given 13236 * scanned package should be updated to reflect the rename. 13237 */ 13238 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13239 abstract int doPostInstall(int status, int uid); 13240 13241 /** @see PackageSettingBase#codePathString */ 13242 abstract String getCodePath(); 13243 /** @see PackageSettingBase#resourcePathString */ 13244 abstract String getResourcePath(); 13245 13246 // Need installer lock especially for dex file removal. 13247 abstract void cleanUpResourcesLI(); 13248 abstract boolean doPostDeleteLI(boolean delete); 13249 13250 /** 13251 * Called before the source arguments are copied. This is used mostly 13252 * for MoveParams when it needs to read the source file to put it in the 13253 * destination. 13254 */ 13255 int doPreCopy() { 13256 return PackageManager.INSTALL_SUCCEEDED; 13257 } 13258 13259 /** 13260 * Called after the source arguments are copied. This is used mostly for 13261 * MoveParams when it needs to read the source file to put it in the 13262 * destination. 13263 */ 13264 int doPostCopy(int uid) { 13265 return PackageManager.INSTALL_SUCCEEDED; 13266 } 13267 13268 protected boolean isFwdLocked() { 13269 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13270 } 13271 13272 protected boolean isExternalAsec() { 13273 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13274 } 13275 13276 protected boolean isEphemeral() { 13277 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13278 } 13279 13280 UserHandle getUser() { 13281 return user; 13282 } 13283 } 13284 13285 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13286 if (!allCodePaths.isEmpty()) { 13287 if (instructionSets == null) { 13288 throw new IllegalStateException("instructionSet == null"); 13289 } 13290 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13291 for (String codePath : allCodePaths) { 13292 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13293 try { 13294 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13295 } catch (InstallerException ignored) { 13296 } 13297 } 13298 } 13299 } 13300 } 13301 13302 /** 13303 * Logic to handle installation of non-ASEC applications, including copying 13304 * and renaming logic. 13305 */ 13306 class FileInstallArgs extends InstallArgs { 13307 private File codeFile; 13308 private File resourceFile; 13309 13310 // Example topology: 13311 // /data/app/com.example/base.apk 13312 // /data/app/com.example/split_foo.apk 13313 // /data/app/com.example/lib/arm/libfoo.so 13314 // /data/app/com.example/lib/arm64/libfoo.so 13315 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13316 13317 /** New install */ 13318 FileInstallArgs(InstallParams params) { 13319 super(params.origin, params.move, params.observer, params.installFlags, 13320 params.installerPackageName, params.volumeUuid, 13321 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13322 params.grantedRuntimePermissions, 13323 params.traceMethod, params.traceCookie, params.certificates); 13324 if (isFwdLocked()) { 13325 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13326 } 13327 } 13328 13329 /** Existing install */ 13330 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13331 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13332 null, null, null, 0, null /*certificates*/); 13333 this.codeFile = (codePath != null) ? new File(codePath) : null; 13334 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13335 } 13336 13337 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13338 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13339 try { 13340 return doCopyApk(imcs, temp); 13341 } finally { 13342 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13343 } 13344 } 13345 13346 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13347 if (origin.staged) { 13348 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13349 codeFile = origin.file; 13350 resourceFile = origin.file; 13351 return PackageManager.INSTALL_SUCCEEDED; 13352 } 13353 13354 try { 13355 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13356 final File tempDir = 13357 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13358 codeFile = tempDir; 13359 resourceFile = tempDir; 13360 } catch (IOException e) { 13361 Slog.w(TAG, "Failed to create copy file: " + e); 13362 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13363 } 13364 13365 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13366 @Override 13367 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13368 if (!FileUtils.isValidExtFilename(name)) { 13369 throw new IllegalArgumentException("Invalid filename: " + name); 13370 } 13371 try { 13372 final File file = new File(codeFile, name); 13373 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13374 O_RDWR | O_CREAT, 0644); 13375 Os.chmod(file.getAbsolutePath(), 0644); 13376 return new ParcelFileDescriptor(fd); 13377 } catch (ErrnoException e) { 13378 throw new RemoteException("Failed to open: " + e.getMessage()); 13379 } 13380 } 13381 }; 13382 13383 int ret = PackageManager.INSTALL_SUCCEEDED; 13384 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13385 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13386 Slog.e(TAG, "Failed to copy package"); 13387 return ret; 13388 } 13389 13390 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13391 NativeLibraryHelper.Handle handle = null; 13392 try { 13393 handle = NativeLibraryHelper.Handle.create(codeFile); 13394 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13395 abiOverride); 13396 } catch (IOException e) { 13397 Slog.e(TAG, "Copying native libraries failed", e); 13398 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13399 } finally { 13400 IoUtils.closeQuietly(handle); 13401 } 13402 13403 return ret; 13404 } 13405 13406 int doPreInstall(int status) { 13407 if (status != PackageManager.INSTALL_SUCCEEDED) { 13408 cleanUp(); 13409 } 13410 return status; 13411 } 13412 13413 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13414 if (status != PackageManager.INSTALL_SUCCEEDED) { 13415 cleanUp(); 13416 return false; 13417 } 13418 13419 final File targetDir = codeFile.getParentFile(); 13420 final File beforeCodeFile = codeFile; 13421 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13422 13423 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13424 try { 13425 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13426 } catch (ErrnoException e) { 13427 Slog.w(TAG, "Failed to rename", e); 13428 return false; 13429 } 13430 13431 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13432 Slog.w(TAG, "Failed to restorecon"); 13433 return false; 13434 } 13435 13436 // Reflect the rename internally 13437 codeFile = afterCodeFile; 13438 resourceFile = afterCodeFile; 13439 13440 // Reflect the rename in scanned details 13441 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13442 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13443 afterCodeFile, pkg.baseCodePath)); 13444 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13445 afterCodeFile, pkg.splitCodePaths)); 13446 13447 // Reflect the rename in app info 13448 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13449 pkg.setApplicationInfoCodePath(pkg.codePath); 13450 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13451 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13452 pkg.setApplicationInfoResourcePath(pkg.codePath); 13453 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13454 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13455 13456 return true; 13457 } 13458 13459 int doPostInstall(int status, int uid) { 13460 if (status != PackageManager.INSTALL_SUCCEEDED) { 13461 cleanUp(); 13462 } 13463 return status; 13464 } 13465 13466 @Override 13467 String getCodePath() { 13468 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13469 } 13470 13471 @Override 13472 String getResourcePath() { 13473 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13474 } 13475 13476 private boolean cleanUp() { 13477 if (codeFile == null || !codeFile.exists()) { 13478 return false; 13479 } 13480 13481 removeCodePathLI(codeFile); 13482 13483 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13484 resourceFile.delete(); 13485 } 13486 13487 return true; 13488 } 13489 13490 void cleanUpResourcesLI() { 13491 // Try enumerating all code paths before deleting 13492 List<String> allCodePaths = Collections.EMPTY_LIST; 13493 if (codeFile != null && codeFile.exists()) { 13494 try { 13495 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13496 allCodePaths = pkg.getAllCodePaths(); 13497 } catch (PackageParserException e) { 13498 // Ignored; we tried our best 13499 } 13500 } 13501 13502 cleanUp(); 13503 removeDexFiles(allCodePaths, instructionSets); 13504 } 13505 13506 boolean doPostDeleteLI(boolean delete) { 13507 // XXX err, shouldn't we respect the delete flag? 13508 cleanUpResourcesLI(); 13509 return true; 13510 } 13511 } 13512 13513 private boolean isAsecExternal(String cid) { 13514 final String asecPath = PackageHelper.getSdFilesystem(cid); 13515 return !asecPath.startsWith(mAsecInternalPath); 13516 } 13517 13518 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13519 PackageManagerException { 13520 if (copyRet < 0) { 13521 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13522 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13523 throw new PackageManagerException(copyRet, message); 13524 } 13525 } 13526 } 13527 13528 /** 13529 * Extract the MountService "container ID" from the full code path of an 13530 * .apk. 13531 */ 13532 static String cidFromCodePath(String fullCodePath) { 13533 int eidx = fullCodePath.lastIndexOf("/"); 13534 String subStr1 = fullCodePath.substring(0, eidx); 13535 int sidx = subStr1.lastIndexOf("/"); 13536 return subStr1.substring(sidx+1, eidx); 13537 } 13538 13539 /** 13540 * Logic to handle installation of ASEC applications, including copying and 13541 * renaming logic. 13542 */ 13543 class AsecInstallArgs extends InstallArgs { 13544 static final String RES_FILE_NAME = "pkg.apk"; 13545 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13546 13547 String cid; 13548 String packagePath; 13549 String resourcePath; 13550 13551 /** New install */ 13552 AsecInstallArgs(InstallParams params) { 13553 super(params.origin, params.move, params.observer, params.installFlags, 13554 params.installerPackageName, params.volumeUuid, 13555 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13556 params.grantedRuntimePermissions, 13557 params.traceMethod, params.traceCookie, params.certificates); 13558 } 13559 13560 /** Existing install */ 13561 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13562 boolean isExternal, boolean isForwardLocked) { 13563 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13564 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13565 instructionSets, null, null, null, 0, null /*certificates*/); 13566 // Hackily pretend we're still looking at a full code path 13567 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13568 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13569 } 13570 13571 // Extract cid from fullCodePath 13572 int eidx = fullCodePath.lastIndexOf("/"); 13573 String subStr1 = fullCodePath.substring(0, eidx); 13574 int sidx = subStr1.lastIndexOf("/"); 13575 cid = subStr1.substring(sidx+1, eidx); 13576 setMountPath(subStr1); 13577 } 13578 13579 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13580 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13581 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13582 instructionSets, null, null, null, 0, null /*certificates*/); 13583 this.cid = cid; 13584 setMountPath(PackageHelper.getSdDir(cid)); 13585 } 13586 13587 void createCopyFile() { 13588 cid = mInstallerService.allocateExternalStageCidLegacy(); 13589 } 13590 13591 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13592 if (origin.staged && origin.cid != null) { 13593 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13594 cid = origin.cid; 13595 setMountPath(PackageHelper.getSdDir(cid)); 13596 return PackageManager.INSTALL_SUCCEEDED; 13597 } 13598 13599 if (temp) { 13600 createCopyFile(); 13601 } else { 13602 /* 13603 * Pre-emptively destroy the container since it's destroyed if 13604 * copying fails due to it existing anyway. 13605 */ 13606 PackageHelper.destroySdDir(cid); 13607 } 13608 13609 final String newMountPath = imcs.copyPackageToContainer( 13610 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13611 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13612 13613 if (newMountPath != null) { 13614 setMountPath(newMountPath); 13615 return PackageManager.INSTALL_SUCCEEDED; 13616 } else { 13617 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13618 } 13619 } 13620 13621 @Override 13622 String getCodePath() { 13623 return packagePath; 13624 } 13625 13626 @Override 13627 String getResourcePath() { 13628 return resourcePath; 13629 } 13630 13631 int doPreInstall(int status) { 13632 if (status != PackageManager.INSTALL_SUCCEEDED) { 13633 // Destroy container 13634 PackageHelper.destroySdDir(cid); 13635 } else { 13636 boolean mounted = PackageHelper.isContainerMounted(cid); 13637 if (!mounted) { 13638 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13639 Process.SYSTEM_UID); 13640 if (newMountPath != null) { 13641 setMountPath(newMountPath); 13642 } else { 13643 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13644 } 13645 } 13646 } 13647 return status; 13648 } 13649 13650 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13651 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13652 String newMountPath = null; 13653 if (PackageHelper.isContainerMounted(cid)) { 13654 // Unmount the container 13655 if (!PackageHelper.unMountSdDir(cid)) { 13656 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13657 return false; 13658 } 13659 } 13660 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13661 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13662 " which might be stale. Will try to clean up."); 13663 // Clean up the stale container and proceed to recreate. 13664 if (!PackageHelper.destroySdDir(newCacheId)) { 13665 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13666 return false; 13667 } 13668 // Successfully cleaned up stale container. Try to rename again. 13669 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13670 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13671 + " inspite of cleaning it up."); 13672 return false; 13673 } 13674 } 13675 if (!PackageHelper.isContainerMounted(newCacheId)) { 13676 Slog.w(TAG, "Mounting container " + newCacheId); 13677 newMountPath = PackageHelper.mountSdDir(newCacheId, 13678 getEncryptKey(), Process.SYSTEM_UID); 13679 } else { 13680 newMountPath = PackageHelper.getSdDir(newCacheId); 13681 } 13682 if (newMountPath == null) { 13683 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13684 return false; 13685 } 13686 Log.i(TAG, "Succesfully renamed " + cid + 13687 " to " + newCacheId + 13688 " at new path: " + newMountPath); 13689 cid = newCacheId; 13690 13691 final File beforeCodeFile = new File(packagePath); 13692 setMountPath(newMountPath); 13693 final File afterCodeFile = new File(packagePath); 13694 13695 // Reflect the rename in scanned details 13696 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13697 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13698 afterCodeFile, pkg.baseCodePath)); 13699 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13700 afterCodeFile, pkg.splitCodePaths)); 13701 13702 // Reflect the rename in app info 13703 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13704 pkg.setApplicationInfoCodePath(pkg.codePath); 13705 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13706 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13707 pkg.setApplicationInfoResourcePath(pkg.codePath); 13708 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13709 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13710 13711 return true; 13712 } 13713 13714 private void setMountPath(String mountPath) { 13715 final File mountFile = new File(mountPath); 13716 13717 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13718 if (monolithicFile.exists()) { 13719 packagePath = monolithicFile.getAbsolutePath(); 13720 if (isFwdLocked()) { 13721 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13722 } else { 13723 resourcePath = packagePath; 13724 } 13725 } else { 13726 packagePath = mountFile.getAbsolutePath(); 13727 resourcePath = packagePath; 13728 } 13729 } 13730 13731 int doPostInstall(int status, int uid) { 13732 if (status != PackageManager.INSTALL_SUCCEEDED) { 13733 cleanUp(); 13734 } else { 13735 final int groupOwner; 13736 final String protectedFile; 13737 if (isFwdLocked()) { 13738 groupOwner = UserHandle.getSharedAppGid(uid); 13739 protectedFile = RES_FILE_NAME; 13740 } else { 13741 groupOwner = -1; 13742 protectedFile = null; 13743 } 13744 13745 if (uid < Process.FIRST_APPLICATION_UID 13746 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13747 Slog.e(TAG, "Failed to finalize " + cid); 13748 PackageHelper.destroySdDir(cid); 13749 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13750 } 13751 13752 boolean mounted = PackageHelper.isContainerMounted(cid); 13753 if (!mounted) { 13754 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13755 } 13756 } 13757 return status; 13758 } 13759 13760 private void cleanUp() { 13761 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13762 13763 // Destroy secure container 13764 PackageHelper.destroySdDir(cid); 13765 } 13766 13767 private List<String> getAllCodePaths() { 13768 final File codeFile = new File(getCodePath()); 13769 if (codeFile != null && codeFile.exists()) { 13770 try { 13771 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13772 return pkg.getAllCodePaths(); 13773 } catch (PackageParserException e) { 13774 // Ignored; we tried our best 13775 } 13776 } 13777 return Collections.EMPTY_LIST; 13778 } 13779 13780 void cleanUpResourcesLI() { 13781 // Enumerate all code paths before deleting 13782 cleanUpResourcesLI(getAllCodePaths()); 13783 } 13784 13785 private void cleanUpResourcesLI(List<String> allCodePaths) { 13786 cleanUp(); 13787 removeDexFiles(allCodePaths, instructionSets); 13788 } 13789 13790 String getPackageName() { 13791 return getAsecPackageName(cid); 13792 } 13793 13794 boolean doPostDeleteLI(boolean delete) { 13795 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13796 final List<String> allCodePaths = getAllCodePaths(); 13797 boolean mounted = PackageHelper.isContainerMounted(cid); 13798 if (mounted) { 13799 // Unmount first 13800 if (PackageHelper.unMountSdDir(cid)) { 13801 mounted = false; 13802 } 13803 } 13804 if (!mounted && delete) { 13805 cleanUpResourcesLI(allCodePaths); 13806 } 13807 return !mounted; 13808 } 13809 13810 @Override 13811 int doPreCopy() { 13812 if (isFwdLocked()) { 13813 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13814 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13815 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13816 } 13817 } 13818 13819 return PackageManager.INSTALL_SUCCEEDED; 13820 } 13821 13822 @Override 13823 int doPostCopy(int uid) { 13824 if (isFwdLocked()) { 13825 if (uid < Process.FIRST_APPLICATION_UID 13826 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13827 RES_FILE_NAME)) { 13828 Slog.e(TAG, "Failed to finalize " + cid); 13829 PackageHelper.destroySdDir(cid); 13830 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13831 } 13832 } 13833 13834 return PackageManager.INSTALL_SUCCEEDED; 13835 } 13836 } 13837 13838 /** 13839 * Logic to handle movement of existing installed applications. 13840 */ 13841 class MoveInstallArgs extends InstallArgs { 13842 private File codeFile; 13843 private File resourceFile; 13844 13845 /** New install */ 13846 MoveInstallArgs(InstallParams params) { 13847 super(params.origin, params.move, params.observer, params.installFlags, 13848 params.installerPackageName, params.volumeUuid, 13849 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13850 params.grantedRuntimePermissions, 13851 params.traceMethod, params.traceCookie, params.certificates); 13852 } 13853 13854 int copyApk(IMediaContainerService imcs, boolean temp) { 13855 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13856 + move.fromUuid + " to " + move.toUuid); 13857 synchronized (mInstaller) { 13858 try { 13859 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13860 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13861 } catch (InstallerException e) { 13862 Slog.w(TAG, "Failed to move app", e); 13863 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13864 } 13865 } 13866 13867 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13868 resourceFile = codeFile; 13869 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13870 13871 return PackageManager.INSTALL_SUCCEEDED; 13872 } 13873 13874 int doPreInstall(int status) { 13875 if (status != PackageManager.INSTALL_SUCCEEDED) { 13876 cleanUp(move.toUuid); 13877 } 13878 return status; 13879 } 13880 13881 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13882 if (status != PackageManager.INSTALL_SUCCEEDED) { 13883 cleanUp(move.toUuid); 13884 return false; 13885 } 13886 13887 // Reflect the move in app info 13888 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13889 pkg.setApplicationInfoCodePath(pkg.codePath); 13890 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13891 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13892 pkg.setApplicationInfoResourcePath(pkg.codePath); 13893 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13894 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13895 13896 return true; 13897 } 13898 13899 int doPostInstall(int status, int uid) { 13900 if (status == PackageManager.INSTALL_SUCCEEDED) { 13901 cleanUp(move.fromUuid); 13902 } else { 13903 cleanUp(move.toUuid); 13904 } 13905 return status; 13906 } 13907 13908 @Override 13909 String getCodePath() { 13910 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13911 } 13912 13913 @Override 13914 String getResourcePath() { 13915 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13916 } 13917 13918 private boolean cleanUp(String volumeUuid) { 13919 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13920 move.dataAppName); 13921 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13922 final int[] userIds = sUserManager.getUserIds(); 13923 synchronized (mInstallLock) { 13924 // Clean up both app data and code 13925 // All package moves are frozen until finished 13926 for (int userId : userIds) { 13927 try { 13928 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13929 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13930 } catch (InstallerException e) { 13931 Slog.w(TAG, String.valueOf(e)); 13932 } 13933 } 13934 removeCodePathLI(codeFile); 13935 } 13936 return true; 13937 } 13938 13939 void cleanUpResourcesLI() { 13940 throw new UnsupportedOperationException(); 13941 } 13942 13943 boolean doPostDeleteLI(boolean delete) { 13944 throw new UnsupportedOperationException(); 13945 } 13946 } 13947 13948 static String getAsecPackageName(String packageCid) { 13949 int idx = packageCid.lastIndexOf("-"); 13950 if (idx == -1) { 13951 return packageCid; 13952 } 13953 return packageCid.substring(0, idx); 13954 } 13955 13956 // Utility method used to create code paths based on package name and available index. 13957 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13958 String idxStr = ""; 13959 int idx = 1; 13960 // Fall back to default value of idx=1 if prefix is not 13961 // part of oldCodePath 13962 if (oldCodePath != null) { 13963 String subStr = oldCodePath; 13964 // Drop the suffix right away 13965 if (suffix != null && subStr.endsWith(suffix)) { 13966 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13967 } 13968 // If oldCodePath already contains prefix find out the 13969 // ending index to either increment or decrement. 13970 int sidx = subStr.lastIndexOf(prefix); 13971 if (sidx != -1) { 13972 subStr = subStr.substring(sidx + prefix.length()); 13973 if (subStr != null) { 13974 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13975 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13976 } 13977 try { 13978 idx = Integer.parseInt(subStr); 13979 if (idx <= 1) { 13980 idx++; 13981 } else { 13982 idx--; 13983 } 13984 } catch(NumberFormatException e) { 13985 } 13986 } 13987 } 13988 } 13989 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13990 return prefix + idxStr; 13991 } 13992 13993 private File getNextCodePath(File targetDir, String packageName) { 13994 int suffix = 1; 13995 File result; 13996 do { 13997 result = new File(targetDir, packageName + "-" + suffix); 13998 suffix++; 13999 } while (result.exists()); 14000 return result; 14001 } 14002 14003 // Utility method that returns the relative package path with respect 14004 // to the installation directory. Like say for /data/data/com.test-1.apk 14005 // string com.test-1 is returned. 14006 static String deriveCodePathName(String codePath) { 14007 if (codePath == null) { 14008 return null; 14009 } 14010 final File codeFile = new File(codePath); 14011 final String name = codeFile.getName(); 14012 if (codeFile.isDirectory()) { 14013 return name; 14014 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14015 final int lastDot = name.lastIndexOf('.'); 14016 return name.substring(0, lastDot); 14017 } else { 14018 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14019 return null; 14020 } 14021 } 14022 14023 static class PackageInstalledInfo { 14024 String name; 14025 int uid; 14026 // The set of users that originally had this package installed. 14027 int[] origUsers; 14028 // The set of users that now have this package installed. 14029 int[] newUsers; 14030 PackageParser.Package pkg; 14031 int returnCode; 14032 String returnMsg; 14033 PackageRemovedInfo removedInfo; 14034 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14035 14036 public void setError(int code, String msg) { 14037 setReturnCode(code); 14038 setReturnMessage(msg); 14039 Slog.w(TAG, msg); 14040 } 14041 14042 public void setError(String msg, PackageParserException e) { 14043 setReturnCode(e.error); 14044 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14045 Slog.w(TAG, msg, e); 14046 } 14047 14048 public void setError(String msg, PackageManagerException e) { 14049 returnCode = e.error; 14050 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14051 Slog.w(TAG, msg, e); 14052 } 14053 14054 public void setReturnCode(int returnCode) { 14055 this.returnCode = returnCode; 14056 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14057 for (int i = 0; i < childCount; i++) { 14058 addedChildPackages.valueAt(i).returnCode = returnCode; 14059 } 14060 } 14061 14062 private void setReturnMessage(String returnMsg) { 14063 this.returnMsg = returnMsg; 14064 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14065 for (int i = 0; i < childCount; i++) { 14066 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14067 } 14068 } 14069 14070 // In some error cases we want to convey more info back to the observer 14071 String origPackage; 14072 String origPermission; 14073 } 14074 14075 /* 14076 * Install a non-existing package. 14077 */ 14078 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14079 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14080 PackageInstalledInfo res) { 14081 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14082 14083 // Remember this for later, in case we need to rollback this install 14084 String pkgName = pkg.packageName; 14085 14086 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14087 14088 synchronized(mPackages) { 14089 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14090 // A package with the same name is already installed, though 14091 // it has been renamed to an older name. The package we 14092 // are trying to install should be installed as an update to 14093 // the existing one, but that has not been requested, so bail. 14094 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14095 + " without first uninstalling package running as " 14096 + mSettings.mRenamedPackages.get(pkgName)); 14097 return; 14098 } 14099 if (mPackages.containsKey(pkgName)) { 14100 // Don't allow installation over an existing package with the same name. 14101 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14102 + " without first uninstalling."); 14103 return; 14104 } 14105 } 14106 14107 try { 14108 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14109 System.currentTimeMillis(), user); 14110 14111 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14112 14113 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14114 prepareAppDataAfterInstallLIF(newPackage); 14115 14116 } else { 14117 // Remove package from internal structures, but keep around any 14118 // data that might have already existed 14119 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14120 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14121 } 14122 } catch (PackageManagerException e) { 14123 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14124 } 14125 14126 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14127 } 14128 14129 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14130 // Can't rotate keys during boot or if sharedUser. 14131 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14132 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14133 return false; 14134 } 14135 // app is using upgradeKeySets; make sure all are valid 14136 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14137 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14138 for (int i = 0; i < upgradeKeySets.length; i++) { 14139 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14140 Slog.wtf(TAG, "Package " 14141 + (oldPs.name != null ? oldPs.name : "<null>") 14142 + " contains upgrade-key-set reference to unknown key-set: " 14143 + upgradeKeySets[i] 14144 + " reverting to signatures check."); 14145 return false; 14146 } 14147 } 14148 return true; 14149 } 14150 14151 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14152 // Upgrade keysets are being used. Determine if new package has a superset of the 14153 // required keys. 14154 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14155 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14156 for (int i = 0; i < upgradeKeySets.length; i++) { 14157 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14158 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14159 return true; 14160 } 14161 } 14162 return false; 14163 } 14164 14165 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14166 try (DigestInputStream digestStream = 14167 new DigestInputStream(new FileInputStream(file), digest)) { 14168 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14169 } 14170 } 14171 14172 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14173 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14174 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14175 14176 final PackageParser.Package oldPackage; 14177 final String pkgName = pkg.packageName; 14178 final int[] allUsers; 14179 final int[] installedUsers; 14180 14181 synchronized(mPackages) { 14182 oldPackage = mPackages.get(pkgName); 14183 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14184 14185 // don't allow upgrade to target a release SDK from a pre-release SDK 14186 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14187 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14188 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14189 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14190 if (oldTargetsPreRelease 14191 && !newTargetsPreRelease 14192 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14193 Slog.w(TAG, "Can't install package targeting released sdk"); 14194 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14195 return; 14196 } 14197 14198 // don't allow an upgrade from full to ephemeral 14199 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14200 if (isEphemeral && !oldIsEphemeral) { 14201 // can't downgrade from full to ephemeral 14202 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14203 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14204 return; 14205 } 14206 14207 // verify signatures are valid 14208 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14209 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14210 if (!checkUpgradeKeySetLP(ps, pkg)) { 14211 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14212 "New package not signed by keys specified by upgrade-keysets: " 14213 + pkgName); 14214 return; 14215 } 14216 } else { 14217 // default to original signature matching 14218 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14219 != PackageManager.SIGNATURE_MATCH) { 14220 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14221 "New package has a different signature: " + pkgName); 14222 return; 14223 } 14224 } 14225 14226 // don't allow a system upgrade unless the upgrade hash matches 14227 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14228 byte[] digestBytes = null; 14229 try { 14230 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14231 updateDigest(digest, new File(pkg.baseCodePath)); 14232 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14233 for (String path : pkg.splitCodePaths) { 14234 updateDigest(digest, new File(path)); 14235 } 14236 } 14237 digestBytes = digest.digest(); 14238 } catch (NoSuchAlgorithmException | IOException e) { 14239 res.setError(INSTALL_FAILED_INVALID_APK, 14240 "Could not compute hash: " + pkgName); 14241 return; 14242 } 14243 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14244 res.setError(INSTALL_FAILED_INVALID_APK, 14245 "New package fails restrict-update check: " + pkgName); 14246 return; 14247 } 14248 // retain upgrade restriction 14249 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14250 } 14251 14252 // Check for shared user id changes 14253 String invalidPackageName = 14254 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14255 if (invalidPackageName != null) { 14256 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14257 "Package " + invalidPackageName + " tried to change user " 14258 + oldPackage.mSharedUserId); 14259 return; 14260 } 14261 14262 // In case of rollback, remember per-user/profile install state 14263 allUsers = sUserManager.getUserIds(); 14264 installedUsers = ps.queryInstalledUsers(allUsers, true); 14265 } 14266 14267 // Update what is removed 14268 res.removedInfo = new PackageRemovedInfo(); 14269 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14270 res.removedInfo.removedPackage = oldPackage.packageName; 14271 res.removedInfo.isUpdate = true; 14272 res.removedInfo.origUsers = installedUsers; 14273 final int childCount = (oldPackage.childPackages != null) 14274 ? oldPackage.childPackages.size() : 0; 14275 for (int i = 0; i < childCount; i++) { 14276 boolean childPackageUpdated = false; 14277 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14278 if (res.addedChildPackages != null) { 14279 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14280 if (childRes != null) { 14281 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14282 childRes.removedInfo.removedPackage = childPkg.packageName; 14283 childRes.removedInfo.isUpdate = true; 14284 childPackageUpdated = true; 14285 } 14286 } 14287 if (!childPackageUpdated) { 14288 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14289 childRemovedRes.removedPackage = childPkg.packageName; 14290 childRemovedRes.isUpdate = false; 14291 childRemovedRes.dataRemoved = true; 14292 synchronized (mPackages) { 14293 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14294 if (childPs != null) { 14295 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14296 } 14297 } 14298 if (res.removedInfo.removedChildPackages == null) { 14299 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14300 } 14301 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14302 } 14303 } 14304 14305 boolean sysPkg = (isSystemApp(oldPackage)); 14306 if (sysPkg) { 14307 // Set the system/privileged flags as needed 14308 final boolean privileged = 14309 (oldPackage.applicationInfo.privateFlags 14310 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14311 final int systemPolicyFlags = policyFlags 14312 | PackageParser.PARSE_IS_SYSTEM 14313 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14314 14315 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14316 user, allUsers, installerPackageName, res); 14317 } else { 14318 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14319 user, allUsers, installerPackageName, res); 14320 } 14321 } 14322 14323 public List<String> getPreviousCodePaths(String packageName) { 14324 final PackageSetting ps = mSettings.mPackages.get(packageName); 14325 final List<String> result = new ArrayList<String>(); 14326 if (ps != null && ps.oldCodePaths != null) { 14327 result.addAll(ps.oldCodePaths); 14328 } 14329 return result; 14330 } 14331 14332 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14333 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14334 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14335 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14336 + deletedPackage); 14337 14338 String pkgName = deletedPackage.packageName; 14339 boolean deletedPkg = true; 14340 boolean addedPkg = false; 14341 boolean updatedSettings = false; 14342 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14343 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14344 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14345 14346 final long origUpdateTime = (pkg.mExtras != null) 14347 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14348 14349 // First delete the existing package while retaining the data directory 14350 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14351 res.removedInfo, true, pkg)) { 14352 // If the existing package wasn't successfully deleted 14353 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14354 deletedPkg = false; 14355 } else { 14356 // Successfully deleted the old package; proceed with replace. 14357 14358 // If deleted package lived in a container, give users a chance to 14359 // relinquish resources before killing. 14360 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14361 if (DEBUG_INSTALL) { 14362 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14363 } 14364 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14365 final ArrayList<String> pkgList = new ArrayList<String>(1); 14366 pkgList.add(deletedPackage.applicationInfo.packageName); 14367 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14368 } 14369 14370 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14371 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14372 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14373 14374 try { 14375 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14376 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14377 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14378 14379 // Update the in-memory copy of the previous code paths. 14380 PackageSetting ps = mSettings.mPackages.get(pkgName); 14381 if (!killApp) { 14382 if (ps.oldCodePaths == null) { 14383 ps.oldCodePaths = new ArraySet<>(); 14384 } 14385 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14386 if (deletedPackage.splitCodePaths != null) { 14387 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14388 } 14389 } else { 14390 ps.oldCodePaths = null; 14391 } 14392 if (ps.childPackageNames != null) { 14393 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14394 final String childPkgName = ps.childPackageNames.get(i); 14395 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14396 childPs.oldCodePaths = ps.oldCodePaths; 14397 } 14398 } 14399 prepareAppDataAfterInstallLIF(newPackage); 14400 addedPkg = true; 14401 } catch (PackageManagerException e) { 14402 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14403 } 14404 } 14405 14406 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14407 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14408 14409 // Revert all internal state mutations and added folders for the failed install 14410 if (addedPkg) { 14411 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14412 res.removedInfo, true, null); 14413 } 14414 14415 // Restore the old package 14416 if (deletedPkg) { 14417 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14418 File restoreFile = new File(deletedPackage.codePath); 14419 // Parse old package 14420 boolean oldExternal = isExternal(deletedPackage); 14421 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14422 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14423 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14424 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14425 try { 14426 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14427 null); 14428 } catch (PackageManagerException e) { 14429 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14430 + e.getMessage()); 14431 return; 14432 } 14433 14434 synchronized (mPackages) { 14435 // Ensure the installer package name up to date 14436 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14437 14438 // Update permissions for restored package 14439 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14440 14441 mSettings.writeLPr(); 14442 } 14443 14444 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14445 } 14446 } else { 14447 synchronized (mPackages) { 14448 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14449 if (ps != null) { 14450 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14451 if (res.removedInfo.removedChildPackages != null) { 14452 final int childCount = res.removedInfo.removedChildPackages.size(); 14453 // Iterate in reverse as we may modify the collection 14454 for (int i = childCount - 1; i >= 0; i--) { 14455 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14456 if (res.addedChildPackages.containsKey(childPackageName)) { 14457 res.removedInfo.removedChildPackages.removeAt(i); 14458 } else { 14459 PackageRemovedInfo childInfo = res.removedInfo 14460 .removedChildPackages.valueAt(i); 14461 childInfo.removedForAllUsers = mPackages.get( 14462 childInfo.removedPackage) == null; 14463 } 14464 } 14465 } 14466 } 14467 } 14468 } 14469 } 14470 14471 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14472 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14473 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14474 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14475 + ", old=" + deletedPackage); 14476 14477 final boolean disabledSystem; 14478 14479 // Remove existing system package 14480 removePackageLI(deletedPackage, true); 14481 14482 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14483 if (!disabledSystem) { 14484 // We didn't need to disable the .apk as a current system package, 14485 // which means we are replacing another update that is already 14486 // installed. We need to make sure to delete the older one's .apk. 14487 res.removedInfo.args = createInstallArgsForExisting(0, 14488 deletedPackage.applicationInfo.getCodePath(), 14489 deletedPackage.applicationInfo.getResourcePath(), 14490 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14491 } else { 14492 res.removedInfo.args = null; 14493 } 14494 14495 // Successfully disabled the old package. Now proceed with re-installation 14496 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14497 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14498 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14499 14500 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14501 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14502 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14503 14504 PackageParser.Package newPackage = null; 14505 try { 14506 // Add the package to the internal data structures 14507 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14508 14509 // Set the update and install times 14510 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14511 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14512 System.currentTimeMillis()); 14513 14514 // Update the package dynamic state if succeeded 14515 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14516 // Now that the install succeeded make sure we remove data 14517 // directories for any child package the update removed. 14518 final int deletedChildCount = (deletedPackage.childPackages != null) 14519 ? deletedPackage.childPackages.size() : 0; 14520 final int newChildCount = (newPackage.childPackages != null) 14521 ? newPackage.childPackages.size() : 0; 14522 for (int i = 0; i < deletedChildCount; i++) { 14523 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14524 boolean childPackageDeleted = true; 14525 for (int j = 0; j < newChildCount; j++) { 14526 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14527 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14528 childPackageDeleted = false; 14529 break; 14530 } 14531 } 14532 if (childPackageDeleted) { 14533 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14534 deletedChildPkg.packageName); 14535 if (ps != null && res.removedInfo.removedChildPackages != null) { 14536 PackageRemovedInfo removedChildRes = res.removedInfo 14537 .removedChildPackages.get(deletedChildPkg.packageName); 14538 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14539 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14540 } 14541 } 14542 } 14543 14544 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14545 prepareAppDataAfterInstallLIF(newPackage); 14546 } 14547 } catch (PackageManagerException e) { 14548 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14549 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14550 } 14551 14552 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14553 // Re installation failed. Restore old information 14554 // Remove new pkg information 14555 if (newPackage != null) { 14556 removeInstalledPackageLI(newPackage, true); 14557 } 14558 // Add back the old system package 14559 try { 14560 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14561 } catch (PackageManagerException e) { 14562 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14563 } 14564 14565 synchronized (mPackages) { 14566 if (disabledSystem) { 14567 enableSystemPackageLPw(deletedPackage); 14568 } 14569 14570 // Ensure the installer package name up to date 14571 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14572 14573 // Update permissions for restored package 14574 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14575 14576 mSettings.writeLPr(); 14577 } 14578 14579 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14580 + " after failed upgrade"); 14581 } 14582 } 14583 14584 /** 14585 * Checks whether the parent or any of the child packages have a change shared 14586 * user. For a package to be a valid update the shred users of the parent and 14587 * the children should match. We may later support changing child shared users. 14588 * @param oldPkg The updated package. 14589 * @param newPkg The update package. 14590 * @return The shared user that change between the versions. 14591 */ 14592 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14593 PackageParser.Package newPkg) { 14594 // Check parent shared user 14595 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14596 return newPkg.packageName; 14597 } 14598 // Check child shared users 14599 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14600 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14601 for (int i = 0; i < newChildCount; i++) { 14602 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14603 // If this child was present, did it have the same shared user? 14604 for (int j = 0; j < oldChildCount; j++) { 14605 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14606 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14607 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14608 return newChildPkg.packageName; 14609 } 14610 } 14611 } 14612 return null; 14613 } 14614 14615 private void removeNativeBinariesLI(PackageSetting ps) { 14616 // Remove the lib path for the parent package 14617 if (ps != null) { 14618 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14619 // Remove the lib path for the child packages 14620 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14621 for (int i = 0; i < childCount; i++) { 14622 PackageSetting childPs = null; 14623 synchronized (mPackages) { 14624 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14625 } 14626 if (childPs != null) { 14627 NativeLibraryHelper.removeNativeBinariesLI(childPs 14628 .legacyNativeLibraryPathString); 14629 } 14630 } 14631 } 14632 } 14633 14634 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14635 // Enable the parent package 14636 mSettings.enableSystemPackageLPw(pkg.packageName); 14637 // Enable the child packages 14638 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14639 for (int i = 0; i < childCount; i++) { 14640 PackageParser.Package childPkg = pkg.childPackages.get(i); 14641 mSettings.enableSystemPackageLPw(childPkg.packageName); 14642 } 14643 } 14644 14645 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14646 PackageParser.Package newPkg) { 14647 // Disable the parent package (parent always replaced) 14648 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14649 // Disable the child packages 14650 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14651 for (int i = 0; i < childCount; i++) { 14652 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14653 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14654 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14655 } 14656 return disabled; 14657 } 14658 14659 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14660 String installerPackageName) { 14661 // Enable the parent package 14662 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14663 // Enable the child packages 14664 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14665 for (int i = 0; i < childCount; i++) { 14666 PackageParser.Package childPkg = pkg.childPackages.get(i); 14667 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14668 } 14669 } 14670 14671 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14672 // Collect all used permissions in the UID 14673 ArraySet<String> usedPermissions = new ArraySet<>(); 14674 final int packageCount = su.packages.size(); 14675 for (int i = 0; i < packageCount; i++) { 14676 PackageSetting ps = su.packages.valueAt(i); 14677 if (ps.pkg == null) { 14678 continue; 14679 } 14680 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14681 for (int j = 0; j < requestedPermCount; j++) { 14682 String permission = ps.pkg.requestedPermissions.get(j); 14683 BasePermission bp = mSettings.mPermissions.get(permission); 14684 if (bp != null) { 14685 usedPermissions.add(permission); 14686 } 14687 } 14688 } 14689 14690 PermissionsState permissionsState = su.getPermissionsState(); 14691 // Prune install permissions 14692 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14693 final int installPermCount = installPermStates.size(); 14694 for (int i = installPermCount - 1; i >= 0; i--) { 14695 PermissionState permissionState = installPermStates.get(i); 14696 if (!usedPermissions.contains(permissionState.getName())) { 14697 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14698 if (bp != null) { 14699 permissionsState.revokeInstallPermission(bp); 14700 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14701 PackageManager.MASK_PERMISSION_FLAGS, 0); 14702 } 14703 } 14704 } 14705 14706 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14707 14708 // Prune runtime permissions 14709 for (int userId : allUserIds) { 14710 List<PermissionState> runtimePermStates = permissionsState 14711 .getRuntimePermissionStates(userId); 14712 final int runtimePermCount = runtimePermStates.size(); 14713 for (int i = runtimePermCount - 1; i >= 0; i--) { 14714 PermissionState permissionState = runtimePermStates.get(i); 14715 if (!usedPermissions.contains(permissionState.getName())) { 14716 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14717 if (bp != null) { 14718 permissionsState.revokeRuntimePermission(bp, userId); 14719 permissionsState.updatePermissionFlags(bp, userId, 14720 PackageManager.MASK_PERMISSION_FLAGS, 0); 14721 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14722 runtimePermissionChangedUserIds, userId); 14723 } 14724 } 14725 } 14726 } 14727 14728 return runtimePermissionChangedUserIds; 14729 } 14730 14731 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14732 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14733 // Update the parent package setting 14734 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14735 res, user); 14736 // Update the child packages setting 14737 final int childCount = (newPackage.childPackages != null) 14738 ? newPackage.childPackages.size() : 0; 14739 for (int i = 0; i < childCount; i++) { 14740 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14741 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14742 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14743 childRes.origUsers, childRes, user); 14744 } 14745 } 14746 14747 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14748 String installerPackageName, int[] allUsers, int[] installedForUsers, 14749 PackageInstalledInfo res, UserHandle user) { 14750 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14751 14752 String pkgName = newPackage.packageName; 14753 synchronized (mPackages) { 14754 //write settings. the installStatus will be incomplete at this stage. 14755 //note that the new package setting would have already been 14756 //added to mPackages. It hasn't been persisted yet. 14757 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14758 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14759 mSettings.writeLPr(); 14760 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14761 } 14762 14763 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14764 synchronized (mPackages) { 14765 updatePermissionsLPw(newPackage.packageName, newPackage, 14766 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14767 ? UPDATE_PERMISSIONS_ALL : 0)); 14768 // For system-bundled packages, we assume that installing an upgraded version 14769 // of the package implies that the user actually wants to run that new code, 14770 // so we enable the package. 14771 PackageSetting ps = mSettings.mPackages.get(pkgName); 14772 final int userId = user.getIdentifier(); 14773 if (ps != null) { 14774 if (isSystemApp(newPackage)) { 14775 if (DEBUG_INSTALL) { 14776 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14777 } 14778 // Enable system package for requested users 14779 if (res.origUsers != null) { 14780 for (int origUserId : res.origUsers) { 14781 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14782 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14783 origUserId, installerPackageName); 14784 } 14785 } 14786 } 14787 // Also convey the prior install/uninstall state 14788 if (allUsers != null && installedForUsers != null) { 14789 for (int currentUserId : allUsers) { 14790 final boolean installed = ArrayUtils.contains( 14791 installedForUsers, currentUserId); 14792 if (DEBUG_INSTALL) { 14793 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14794 } 14795 ps.setInstalled(installed, currentUserId); 14796 } 14797 // these install state changes will be persisted in the 14798 // upcoming call to mSettings.writeLPr(). 14799 } 14800 } 14801 // It's implied that when a user requests installation, they want the app to be 14802 // installed and enabled. 14803 if (userId != UserHandle.USER_ALL) { 14804 ps.setInstalled(true, userId); 14805 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14806 } 14807 } 14808 res.name = pkgName; 14809 res.uid = newPackage.applicationInfo.uid; 14810 res.pkg = newPackage; 14811 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14812 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14813 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14814 //to update install status 14815 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14816 mSettings.writeLPr(); 14817 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14818 } 14819 14820 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14821 } 14822 14823 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14824 try { 14825 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14826 installPackageLI(args, res); 14827 } finally { 14828 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14829 } 14830 } 14831 14832 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14833 final int installFlags = args.installFlags; 14834 final String installerPackageName = args.installerPackageName; 14835 final String volumeUuid = args.volumeUuid; 14836 final File tmpPackageFile = new File(args.getCodePath()); 14837 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14838 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14839 || (args.volumeUuid != null)); 14840 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14841 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14842 boolean replace = false; 14843 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14844 if (args.move != null) { 14845 // moving a complete application; perform an initial scan on the new install location 14846 scanFlags |= SCAN_INITIAL; 14847 } 14848 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14849 scanFlags |= SCAN_DONT_KILL_APP; 14850 } 14851 14852 // Result object to be returned 14853 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14854 14855 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14856 14857 // Sanity check 14858 if (ephemeral && (forwardLocked || onExternal)) { 14859 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14860 + " external=" + onExternal); 14861 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14862 return; 14863 } 14864 14865 // Retrieve PackageSettings and parse package 14866 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14867 | PackageParser.PARSE_ENFORCE_CODE 14868 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14869 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14870 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14871 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14872 PackageParser pp = new PackageParser(); 14873 pp.setSeparateProcesses(mSeparateProcesses); 14874 pp.setDisplayMetrics(mMetrics); 14875 14876 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14877 final PackageParser.Package pkg; 14878 try { 14879 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14880 } catch (PackageParserException e) { 14881 res.setError("Failed parse during installPackageLI", e); 14882 return; 14883 } finally { 14884 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14885 } 14886 14887 // If we are installing a clustered package add results for the children 14888 if (pkg.childPackages != null) { 14889 synchronized (mPackages) { 14890 final int childCount = pkg.childPackages.size(); 14891 for (int i = 0; i < childCount; i++) { 14892 PackageParser.Package childPkg = pkg.childPackages.get(i); 14893 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14894 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14895 childRes.pkg = childPkg; 14896 childRes.name = childPkg.packageName; 14897 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14898 if (childPs != null) { 14899 childRes.origUsers = childPs.queryInstalledUsers( 14900 sUserManager.getUserIds(), true); 14901 } 14902 if ((mPackages.containsKey(childPkg.packageName))) { 14903 childRes.removedInfo = new PackageRemovedInfo(); 14904 childRes.removedInfo.removedPackage = childPkg.packageName; 14905 } 14906 if (res.addedChildPackages == null) { 14907 res.addedChildPackages = new ArrayMap<>(); 14908 } 14909 res.addedChildPackages.put(childPkg.packageName, childRes); 14910 } 14911 } 14912 } 14913 14914 // If package doesn't declare API override, mark that we have an install 14915 // time CPU ABI override. 14916 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14917 pkg.cpuAbiOverride = args.abiOverride; 14918 } 14919 14920 String pkgName = res.name = pkg.packageName; 14921 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14922 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14923 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14924 return; 14925 } 14926 } 14927 14928 try { 14929 // either use what we've been given or parse directly from the APK 14930 if (args.certificates != null) { 14931 try { 14932 PackageParser.populateCertificates(pkg, args.certificates); 14933 } catch (PackageParserException e) { 14934 // there was something wrong with the certificates we were given; 14935 // try to pull them from the APK 14936 PackageParser.collectCertificates(pkg, parseFlags); 14937 } 14938 } else { 14939 PackageParser.collectCertificates(pkg, parseFlags); 14940 } 14941 } catch (PackageParserException e) { 14942 res.setError("Failed collect during installPackageLI", e); 14943 return; 14944 } 14945 14946 // Get rid of all references to package scan path via parser. 14947 pp = null; 14948 String oldCodePath = null; 14949 boolean systemApp = false; 14950 synchronized (mPackages) { 14951 // Check if installing already existing package 14952 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14953 String oldName = mSettings.mRenamedPackages.get(pkgName); 14954 if (pkg.mOriginalPackages != null 14955 && pkg.mOriginalPackages.contains(oldName) 14956 && mPackages.containsKey(oldName)) { 14957 // This package is derived from an original package, 14958 // and this device has been updating from that original 14959 // name. We must continue using the original name, so 14960 // rename the new package here. 14961 pkg.setPackageName(oldName); 14962 pkgName = pkg.packageName; 14963 replace = true; 14964 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14965 + oldName + " pkgName=" + pkgName); 14966 } else if (mPackages.containsKey(pkgName)) { 14967 // This package, under its official name, already exists 14968 // on the device; we should replace it. 14969 replace = true; 14970 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14971 } 14972 14973 // Child packages are installed through the parent package 14974 if (pkg.parentPackage != null) { 14975 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14976 "Package " + pkg.packageName + " is child of package " 14977 + pkg.parentPackage.parentPackage + ". Child packages " 14978 + "can be updated only through the parent package."); 14979 return; 14980 } 14981 14982 if (replace) { 14983 // Prevent apps opting out from runtime permissions 14984 PackageParser.Package oldPackage = mPackages.get(pkgName); 14985 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14986 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14987 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14988 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14989 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14990 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14991 + " doesn't support runtime permissions but the old" 14992 + " target SDK " + oldTargetSdk + " does."); 14993 return; 14994 } 14995 14996 // Prevent installing of child packages 14997 if (oldPackage.parentPackage != null) { 14998 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14999 "Package " + pkg.packageName + " is child of package " 15000 + oldPackage.parentPackage + ". Child packages " 15001 + "can be updated only through the parent package."); 15002 return; 15003 } 15004 } 15005 } 15006 15007 PackageSetting ps = mSettings.mPackages.get(pkgName); 15008 if (ps != null) { 15009 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15010 15011 // Quick sanity check that we're signed correctly if updating; 15012 // we'll check this again later when scanning, but we want to 15013 // bail early here before tripping over redefined permissions. 15014 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15015 if (!checkUpgradeKeySetLP(ps, pkg)) { 15016 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15017 + pkg.packageName + " upgrade keys do not match the " 15018 + "previously installed version"); 15019 return; 15020 } 15021 } else { 15022 try { 15023 verifySignaturesLP(ps, pkg); 15024 } catch (PackageManagerException e) { 15025 res.setError(e.error, e.getMessage()); 15026 return; 15027 } 15028 } 15029 15030 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15031 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15032 systemApp = (ps.pkg.applicationInfo.flags & 15033 ApplicationInfo.FLAG_SYSTEM) != 0; 15034 } 15035 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15036 } 15037 15038 // Check whether the newly-scanned package wants to define an already-defined perm 15039 int N = pkg.permissions.size(); 15040 for (int i = N-1; i >= 0; i--) { 15041 PackageParser.Permission perm = pkg.permissions.get(i); 15042 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15043 if (bp != null) { 15044 // If the defining package is signed with our cert, it's okay. This 15045 // also includes the "updating the same package" case, of course. 15046 // "updating same package" could also involve key-rotation. 15047 final boolean sigsOk; 15048 if (bp.sourcePackage.equals(pkg.packageName) 15049 && (bp.packageSetting instanceof PackageSetting) 15050 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15051 scanFlags))) { 15052 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15053 } else { 15054 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15055 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15056 } 15057 if (!sigsOk) { 15058 // If the owning package is the system itself, we log but allow 15059 // install to proceed; we fail the install on all other permission 15060 // redefinitions. 15061 if (!bp.sourcePackage.equals("android")) { 15062 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15063 + pkg.packageName + " attempting to redeclare permission " 15064 + perm.info.name + " already owned by " + bp.sourcePackage); 15065 res.origPermission = perm.info.name; 15066 res.origPackage = bp.sourcePackage; 15067 return; 15068 } else { 15069 Slog.w(TAG, "Package " + pkg.packageName 15070 + " attempting to redeclare system permission " 15071 + perm.info.name + "; ignoring new declaration"); 15072 pkg.permissions.remove(i); 15073 } 15074 } 15075 } 15076 } 15077 } 15078 15079 if (systemApp) { 15080 if (onExternal) { 15081 // Abort update; system app can't be replaced with app on sdcard 15082 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15083 "Cannot install updates to system apps on sdcard"); 15084 return; 15085 } else if (ephemeral) { 15086 // Abort update; system app can't be replaced with an ephemeral app 15087 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15088 "Cannot update a system app with an ephemeral app"); 15089 return; 15090 } 15091 } 15092 15093 if (args.move != null) { 15094 // We did an in-place move, so dex is ready to roll 15095 scanFlags |= SCAN_NO_DEX; 15096 scanFlags |= SCAN_MOVE; 15097 15098 synchronized (mPackages) { 15099 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15100 if (ps == null) { 15101 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15102 "Missing settings for moved package " + pkgName); 15103 } 15104 15105 // We moved the entire application as-is, so bring over the 15106 // previously derived ABI information. 15107 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15108 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15109 } 15110 15111 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15112 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15113 scanFlags |= SCAN_NO_DEX; 15114 15115 try { 15116 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15117 args.abiOverride : pkg.cpuAbiOverride); 15118 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15119 true /* extract libs */); 15120 } catch (PackageManagerException pme) { 15121 Slog.e(TAG, "Error deriving application ABI", pme); 15122 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15123 return; 15124 } 15125 15126 // Shared libraries for the package need to be updated. 15127 synchronized (mPackages) { 15128 try { 15129 updateSharedLibrariesLPw(pkg, null); 15130 } catch (PackageManagerException e) { 15131 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15132 } 15133 } 15134 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15135 // Do not run PackageDexOptimizer through the local performDexOpt 15136 // method because `pkg` is not in `mPackages` yet. 15137 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15138 null /* instructionSets */, false /* checkProfiles */, 15139 getCompilerFilterForReason(REASON_INSTALL)); 15140 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15141 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 15142 String msg = "Extracting package failed for " + pkgName; 15143 res.setError(INSTALL_FAILED_DEXOPT, msg); 15144 return; 15145 } 15146 15147 // Notify BackgroundDexOptService that the package has been changed. 15148 // If this is an update of a package which used to fail to compile, 15149 // BDOS will remove it from its blacklist. 15150 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15151 } 15152 15153 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15154 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15155 return; 15156 } 15157 15158 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15159 15160 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15161 "installPackageLI")) { 15162 if (replace) { 15163 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15164 installerPackageName, res); 15165 } else { 15166 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15167 args.user, installerPackageName, volumeUuid, res); 15168 } 15169 } 15170 synchronized (mPackages) { 15171 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15172 if (ps != null) { 15173 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15174 } 15175 15176 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15177 for (int i = 0; i < childCount; i++) { 15178 PackageParser.Package childPkg = pkg.childPackages.get(i); 15179 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15180 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15181 if (childPs != null) { 15182 childRes.newUsers = childPs.queryInstalledUsers( 15183 sUserManager.getUserIds(), true); 15184 } 15185 } 15186 } 15187 } 15188 15189 private void startIntentFilterVerifications(int userId, boolean replacing, 15190 PackageParser.Package pkg) { 15191 if (mIntentFilterVerifierComponent == null) { 15192 Slog.w(TAG, "No IntentFilter verification will not be done as " 15193 + "there is no IntentFilterVerifier available!"); 15194 return; 15195 } 15196 15197 final int verifierUid = getPackageUid( 15198 mIntentFilterVerifierComponent.getPackageName(), 15199 MATCH_DEBUG_TRIAGED_MISSING, 15200 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15201 15202 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15203 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15204 mHandler.sendMessage(msg); 15205 15206 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15207 for (int i = 0; i < childCount; i++) { 15208 PackageParser.Package childPkg = pkg.childPackages.get(i); 15209 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15210 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15211 mHandler.sendMessage(msg); 15212 } 15213 } 15214 15215 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15216 PackageParser.Package pkg) { 15217 int size = pkg.activities.size(); 15218 if (size == 0) { 15219 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15220 "No activity, so no need to verify any IntentFilter!"); 15221 return; 15222 } 15223 15224 final boolean hasDomainURLs = hasDomainURLs(pkg); 15225 if (!hasDomainURLs) { 15226 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15227 "No domain URLs, so no need to verify any IntentFilter!"); 15228 return; 15229 } 15230 15231 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15232 + " if any IntentFilter from the " + size 15233 + " Activities needs verification ..."); 15234 15235 int count = 0; 15236 final String packageName = pkg.packageName; 15237 15238 synchronized (mPackages) { 15239 // If this is a new install and we see that we've already run verification for this 15240 // package, we have nothing to do: it means the state was restored from backup. 15241 if (!replacing) { 15242 IntentFilterVerificationInfo ivi = 15243 mSettings.getIntentFilterVerificationLPr(packageName); 15244 if (ivi != null) { 15245 if (DEBUG_DOMAIN_VERIFICATION) { 15246 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15247 + ivi.getStatusString()); 15248 } 15249 return; 15250 } 15251 } 15252 15253 // If any filters need to be verified, then all need to be. 15254 boolean needToVerify = false; 15255 for (PackageParser.Activity a : pkg.activities) { 15256 for (ActivityIntentInfo filter : a.intents) { 15257 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15258 if (DEBUG_DOMAIN_VERIFICATION) { 15259 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15260 } 15261 needToVerify = true; 15262 break; 15263 } 15264 } 15265 } 15266 15267 if (needToVerify) { 15268 final int verificationId = mIntentFilterVerificationToken++; 15269 for (PackageParser.Activity a : pkg.activities) { 15270 for (ActivityIntentInfo filter : a.intents) { 15271 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15272 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15273 "Verification needed for IntentFilter:" + filter.toString()); 15274 mIntentFilterVerifier.addOneIntentFilterVerification( 15275 verifierUid, userId, verificationId, filter, packageName); 15276 count++; 15277 } 15278 } 15279 } 15280 } 15281 } 15282 15283 if (count > 0) { 15284 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15285 + " IntentFilter verification" + (count > 1 ? "s" : "") 15286 + " for userId:" + userId); 15287 mIntentFilterVerifier.startVerifications(userId); 15288 } else { 15289 if (DEBUG_DOMAIN_VERIFICATION) { 15290 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15291 } 15292 } 15293 } 15294 15295 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15296 final ComponentName cn = filter.activity.getComponentName(); 15297 final String packageName = cn.getPackageName(); 15298 15299 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15300 packageName); 15301 if (ivi == null) { 15302 return true; 15303 } 15304 int status = ivi.getStatus(); 15305 switch (status) { 15306 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15307 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15308 return true; 15309 15310 default: 15311 // Nothing to do 15312 return false; 15313 } 15314 } 15315 15316 private static boolean isMultiArch(ApplicationInfo info) { 15317 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15318 } 15319 15320 private static boolean isExternal(PackageParser.Package pkg) { 15321 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15322 } 15323 15324 private static boolean isExternal(PackageSetting ps) { 15325 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15326 } 15327 15328 private static boolean isEphemeral(PackageParser.Package pkg) { 15329 return pkg.applicationInfo.isEphemeralApp(); 15330 } 15331 15332 private static boolean isEphemeral(PackageSetting ps) { 15333 return ps.pkg != null && isEphemeral(ps.pkg); 15334 } 15335 15336 private static boolean isSystemApp(PackageParser.Package pkg) { 15337 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15338 } 15339 15340 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15341 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15342 } 15343 15344 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15345 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15346 } 15347 15348 private static boolean isSystemApp(PackageSetting ps) { 15349 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15350 } 15351 15352 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15353 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15354 } 15355 15356 private int packageFlagsToInstallFlags(PackageSetting ps) { 15357 int installFlags = 0; 15358 if (isEphemeral(ps)) { 15359 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15360 } 15361 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15362 // This existing package was an external ASEC install when we have 15363 // the external flag without a UUID 15364 installFlags |= PackageManager.INSTALL_EXTERNAL; 15365 } 15366 if (ps.isForwardLocked()) { 15367 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15368 } 15369 return installFlags; 15370 } 15371 15372 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15373 if (isExternal(pkg)) { 15374 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15375 return StorageManager.UUID_PRIMARY_PHYSICAL; 15376 } else { 15377 return pkg.volumeUuid; 15378 } 15379 } else { 15380 return StorageManager.UUID_PRIVATE_INTERNAL; 15381 } 15382 } 15383 15384 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15385 if (isExternal(pkg)) { 15386 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15387 return mSettings.getExternalVersion(); 15388 } else { 15389 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15390 } 15391 } else { 15392 return mSettings.getInternalVersion(); 15393 } 15394 } 15395 15396 private void deleteTempPackageFiles() { 15397 final FilenameFilter filter = new FilenameFilter() { 15398 public boolean accept(File dir, String name) { 15399 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15400 } 15401 }; 15402 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15403 file.delete(); 15404 } 15405 } 15406 15407 @Override 15408 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15409 int flags) { 15410 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15411 flags); 15412 } 15413 15414 @Override 15415 public void deletePackage(final String packageName, 15416 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15417 mContext.enforceCallingOrSelfPermission( 15418 android.Manifest.permission.DELETE_PACKAGES, null); 15419 Preconditions.checkNotNull(packageName); 15420 Preconditions.checkNotNull(observer); 15421 final int uid = Binder.getCallingUid(); 15422 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15423 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15424 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15425 mContext.enforceCallingOrSelfPermission( 15426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15427 "deletePackage for user " + userId); 15428 } 15429 15430 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15431 try { 15432 observer.onPackageDeleted(packageName, 15433 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15434 } catch (RemoteException re) { 15435 } 15436 return; 15437 } 15438 15439 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15440 try { 15441 observer.onPackageDeleted(packageName, 15442 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15443 } catch (RemoteException re) { 15444 } 15445 return; 15446 } 15447 15448 if (DEBUG_REMOVE) { 15449 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15450 + " deleteAllUsers: " + deleteAllUsers ); 15451 } 15452 // Queue up an async operation since the package deletion may take a little while. 15453 mHandler.post(new Runnable() { 15454 public void run() { 15455 mHandler.removeCallbacks(this); 15456 int returnCode; 15457 if (!deleteAllUsers) { 15458 returnCode = deletePackageX(packageName, userId, deleteFlags); 15459 } else { 15460 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15461 // If nobody is blocking uninstall, proceed with delete for all users 15462 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15463 returnCode = deletePackageX(packageName, userId, deleteFlags); 15464 } else { 15465 // Otherwise uninstall individually for users with blockUninstalls=false 15466 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15467 for (int userId : users) { 15468 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15469 returnCode = deletePackageX(packageName, userId, userFlags); 15470 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15471 Slog.w(TAG, "Package delete failed for user " + userId 15472 + ", returnCode " + returnCode); 15473 } 15474 } 15475 } 15476 // The app has only been marked uninstalled for certain users. 15477 // We still need to report that delete was blocked 15478 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15479 } 15480 } 15481 try { 15482 observer.onPackageDeleted(packageName, returnCode, null); 15483 } catch (RemoteException e) { 15484 Log.i(TAG, "Observer no longer exists."); 15485 } //end catch 15486 } //end run 15487 }); 15488 } 15489 15490 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15491 int[] result = EMPTY_INT_ARRAY; 15492 for (int userId : userIds) { 15493 if (getBlockUninstallForUser(packageName, userId)) { 15494 result = ArrayUtils.appendInt(result, userId); 15495 } 15496 } 15497 return result; 15498 } 15499 15500 @Override 15501 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15502 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15503 } 15504 15505 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15506 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15507 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15508 try { 15509 if (dpm != null) { 15510 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15511 /* callingUserOnly =*/ false); 15512 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15513 : deviceOwnerComponentName.getPackageName(); 15514 // Does the package contains the device owner? 15515 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15516 // this check is probably not needed, since DO should be registered as a device 15517 // admin on some user too. (Original bug for this: b/17657954) 15518 if (packageName.equals(deviceOwnerPackageName)) { 15519 return true; 15520 } 15521 // Does it contain a device admin for any user? 15522 int[] users; 15523 if (userId == UserHandle.USER_ALL) { 15524 users = sUserManager.getUserIds(); 15525 } else { 15526 users = new int[]{userId}; 15527 } 15528 for (int i = 0; i < users.length; ++i) { 15529 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15530 return true; 15531 } 15532 } 15533 } 15534 } catch (RemoteException e) { 15535 } 15536 return false; 15537 } 15538 15539 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15540 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15541 } 15542 15543 /** 15544 * This method is an internal method that could be get invoked either 15545 * to delete an installed package or to clean up a failed installation. 15546 * After deleting an installed package, a broadcast is sent to notify any 15547 * listeners that the package has been removed. For cleaning up a failed 15548 * installation, the broadcast is not necessary since the package's 15549 * installation wouldn't have sent the initial broadcast either 15550 * The key steps in deleting a package are 15551 * deleting the package information in internal structures like mPackages, 15552 * deleting the packages base directories through installd 15553 * updating mSettings to reflect current status 15554 * persisting settings for later use 15555 * sending a broadcast if necessary 15556 */ 15557 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15558 final PackageRemovedInfo info = new PackageRemovedInfo(); 15559 final boolean res; 15560 15561 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15562 ? UserHandle.ALL : new UserHandle(userId); 15563 15564 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15565 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15566 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15567 } 15568 15569 PackageSetting uninstalledPs = null; 15570 15571 // for the uninstall-updates case and restricted profiles, remember the per- 15572 // user handle installed state 15573 int[] allUsers; 15574 synchronized (mPackages) { 15575 uninstalledPs = mSettings.mPackages.get(packageName); 15576 if (uninstalledPs == null) { 15577 Slog.w(TAG, "Not removing non-existent package " + packageName); 15578 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15579 } 15580 allUsers = sUserManager.getUserIds(); 15581 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15582 } 15583 15584 synchronized (mInstallLock) { 15585 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15586 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15587 "deletePackageX")) { 15588 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15589 deleteFlags | REMOVE_CHATTY, info, true, null); 15590 } 15591 synchronized (mPackages) { 15592 if (res) { 15593 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15594 } 15595 } 15596 } 15597 15598 if (res) { 15599 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15600 info.sendPackageRemovedBroadcasts(killApp); 15601 info.sendSystemPackageUpdatedBroadcasts(); 15602 info.sendSystemPackageAppearedBroadcasts(); 15603 } 15604 // Force a gc here. 15605 Runtime.getRuntime().gc(); 15606 // Delete the resources here after sending the broadcast to let 15607 // other processes clean up before deleting resources. 15608 if (info.args != null) { 15609 synchronized (mInstallLock) { 15610 info.args.doPostDeleteLI(true); 15611 } 15612 } 15613 15614 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15615 } 15616 15617 class PackageRemovedInfo { 15618 String removedPackage; 15619 int uid = -1; 15620 int removedAppId = -1; 15621 int[] origUsers; 15622 int[] removedUsers = null; 15623 boolean isRemovedPackageSystemUpdate = false; 15624 boolean isUpdate; 15625 boolean dataRemoved; 15626 boolean removedForAllUsers; 15627 // Clean up resources deleted packages. 15628 InstallArgs args = null; 15629 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15630 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15631 15632 void sendPackageRemovedBroadcasts(boolean killApp) { 15633 sendPackageRemovedBroadcastInternal(killApp); 15634 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15635 for (int i = 0; i < childCount; i++) { 15636 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15637 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15638 } 15639 } 15640 15641 void sendSystemPackageUpdatedBroadcasts() { 15642 if (isRemovedPackageSystemUpdate) { 15643 sendSystemPackageUpdatedBroadcastsInternal(); 15644 final int childCount = (removedChildPackages != null) 15645 ? removedChildPackages.size() : 0; 15646 for (int i = 0; i < childCount; i++) { 15647 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15648 if (childInfo.isRemovedPackageSystemUpdate) { 15649 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15650 } 15651 } 15652 } 15653 } 15654 15655 void sendSystemPackageAppearedBroadcasts() { 15656 final int packageCount = (appearedChildPackages != null) 15657 ? appearedChildPackages.size() : 0; 15658 for (int i = 0; i < packageCount; i++) { 15659 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15660 for (int userId : installedInfo.newUsers) { 15661 sendPackageAddedForUser(installedInfo.name, true, 15662 UserHandle.getAppId(installedInfo.uid), userId); 15663 } 15664 } 15665 } 15666 15667 private void sendSystemPackageUpdatedBroadcastsInternal() { 15668 Bundle extras = new Bundle(2); 15669 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15670 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15671 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15672 extras, 0, null, null, null); 15673 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15674 extras, 0, null, null, null); 15675 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15676 null, 0, removedPackage, null, null); 15677 } 15678 15679 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15680 Bundle extras = new Bundle(2); 15681 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15682 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15683 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15684 if (isUpdate || isRemovedPackageSystemUpdate) { 15685 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15686 } 15687 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15688 if (removedPackage != null) { 15689 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15690 extras, 0, null, null, removedUsers); 15691 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15692 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15693 removedPackage, extras, 0, null, null, removedUsers); 15694 } 15695 } 15696 if (removedAppId >= 0) { 15697 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15698 removedUsers); 15699 } 15700 } 15701 } 15702 15703 /* 15704 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15705 * flag is not set, the data directory is removed as well. 15706 * make sure this flag is set for partially installed apps. If not its meaningless to 15707 * delete a partially installed application. 15708 */ 15709 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15710 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15711 String packageName = ps.name; 15712 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15713 // Retrieve object to delete permissions for shared user later on 15714 final PackageParser.Package deletedPkg; 15715 final PackageSetting deletedPs; 15716 // reader 15717 synchronized (mPackages) { 15718 deletedPkg = mPackages.get(packageName); 15719 deletedPs = mSettings.mPackages.get(packageName); 15720 if (outInfo != null) { 15721 outInfo.removedPackage = packageName; 15722 outInfo.removedUsers = deletedPs != null 15723 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15724 : null; 15725 } 15726 } 15727 15728 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15729 15730 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15731 final PackageParser.Package resolvedPkg; 15732 if (deletedPkg != null) { 15733 resolvedPkg = deletedPkg; 15734 } else { 15735 // We don't have a parsed package when it lives on an ejected 15736 // adopted storage device, so fake something together 15737 resolvedPkg = new PackageParser.Package(ps.name); 15738 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15739 } 15740 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15741 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15742 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15743 if (outInfo != null) { 15744 outInfo.dataRemoved = true; 15745 } 15746 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15747 } 15748 15749 // writer 15750 synchronized (mPackages) { 15751 if (deletedPs != null) { 15752 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15753 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15754 clearDefaultBrowserIfNeeded(packageName); 15755 if (outInfo != null) { 15756 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15757 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15758 } 15759 updatePermissionsLPw(deletedPs.name, null, 0); 15760 if (deletedPs.sharedUser != null) { 15761 // Remove permissions associated with package. Since runtime 15762 // permissions are per user we have to kill the removed package 15763 // or packages running under the shared user of the removed 15764 // package if revoking the permissions requested only by the removed 15765 // package is successful and this causes a change in gids. 15766 for (int userId : UserManagerService.getInstance().getUserIds()) { 15767 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15768 userId); 15769 if (userIdToKill == UserHandle.USER_ALL 15770 || userIdToKill >= UserHandle.USER_SYSTEM) { 15771 // If gids changed for this user, kill all affected packages. 15772 mHandler.post(new Runnable() { 15773 @Override 15774 public void run() { 15775 // This has to happen with no lock held. 15776 killApplication(deletedPs.name, deletedPs.appId, 15777 KILL_APP_REASON_GIDS_CHANGED); 15778 } 15779 }); 15780 break; 15781 } 15782 } 15783 } 15784 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15785 } 15786 // make sure to preserve per-user disabled state if this removal was just 15787 // a downgrade of a system app to the factory package 15788 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15789 if (DEBUG_REMOVE) { 15790 Slog.d(TAG, "Propagating install state across downgrade"); 15791 } 15792 for (int userId : allUserHandles) { 15793 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15794 if (DEBUG_REMOVE) { 15795 Slog.d(TAG, " user " + userId + " => " + installed); 15796 } 15797 ps.setInstalled(installed, userId); 15798 } 15799 } 15800 } 15801 // can downgrade to reader 15802 if (writeSettings) { 15803 // Save settings now 15804 mSettings.writeLPr(); 15805 } 15806 } 15807 if (outInfo != null) { 15808 // A user ID was deleted here. Go through all users and remove it 15809 // from KeyStore. 15810 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15811 } 15812 } 15813 15814 static boolean locationIsPrivileged(File path) { 15815 try { 15816 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15817 .getCanonicalPath(); 15818 return path.getCanonicalPath().startsWith(privilegedAppDir); 15819 } catch (IOException e) { 15820 Slog.e(TAG, "Unable to access code path " + path); 15821 } 15822 return false; 15823 } 15824 15825 /* 15826 * Tries to delete system package. 15827 */ 15828 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15829 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15830 boolean writeSettings) { 15831 if (deletedPs.parentPackageName != null) { 15832 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15833 return false; 15834 } 15835 15836 final boolean applyUserRestrictions 15837 = (allUserHandles != null) && (outInfo.origUsers != null); 15838 final PackageSetting disabledPs; 15839 // Confirm if the system package has been updated 15840 // An updated system app can be deleted. This will also have to restore 15841 // the system pkg from system partition 15842 // reader 15843 synchronized (mPackages) { 15844 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15845 } 15846 15847 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15848 + " disabledPs=" + disabledPs); 15849 15850 if (disabledPs == null) { 15851 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15852 return false; 15853 } else if (DEBUG_REMOVE) { 15854 Slog.d(TAG, "Deleting system pkg from data partition"); 15855 } 15856 15857 if (DEBUG_REMOVE) { 15858 if (applyUserRestrictions) { 15859 Slog.d(TAG, "Remembering install states:"); 15860 for (int userId : allUserHandles) { 15861 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15862 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15863 } 15864 } 15865 } 15866 15867 // Delete the updated package 15868 outInfo.isRemovedPackageSystemUpdate = true; 15869 if (outInfo.removedChildPackages != null) { 15870 final int childCount = (deletedPs.childPackageNames != null) 15871 ? deletedPs.childPackageNames.size() : 0; 15872 for (int i = 0; i < childCount; i++) { 15873 String childPackageName = deletedPs.childPackageNames.get(i); 15874 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15875 .contains(childPackageName)) { 15876 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15877 childPackageName); 15878 if (childInfo != null) { 15879 childInfo.isRemovedPackageSystemUpdate = true; 15880 } 15881 } 15882 } 15883 } 15884 15885 if (disabledPs.versionCode < deletedPs.versionCode) { 15886 // Delete data for downgrades 15887 flags &= ~PackageManager.DELETE_KEEP_DATA; 15888 } else { 15889 // Preserve data by setting flag 15890 flags |= PackageManager.DELETE_KEEP_DATA; 15891 } 15892 15893 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15894 outInfo, writeSettings, disabledPs.pkg); 15895 if (!ret) { 15896 return false; 15897 } 15898 15899 // writer 15900 synchronized (mPackages) { 15901 // Reinstate the old system package 15902 enableSystemPackageLPw(disabledPs.pkg); 15903 // Remove any native libraries from the upgraded package. 15904 removeNativeBinariesLI(deletedPs); 15905 } 15906 15907 // Install the system package 15908 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15909 int parseFlags = mDefParseFlags 15910 | PackageParser.PARSE_MUST_BE_APK 15911 | PackageParser.PARSE_IS_SYSTEM 15912 | PackageParser.PARSE_IS_SYSTEM_DIR; 15913 if (locationIsPrivileged(disabledPs.codePath)) { 15914 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15915 } 15916 15917 final PackageParser.Package newPkg; 15918 try { 15919 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15920 } catch (PackageManagerException e) { 15921 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15922 + e.getMessage()); 15923 return false; 15924 } 15925 15926 prepareAppDataAfterInstallLIF(newPkg); 15927 15928 // writer 15929 synchronized (mPackages) { 15930 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15931 15932 // Propagate the permissions state as we do not want to drop on the floor 15933 // runtime permissions. The update permissions method below will take 15934 // care of removing obsolete permissions and grant install permissions. 15935 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15936 updatePermissionsLPw(newPkg.packageName, newPkg, 15937 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15938 15939 if (applyUserRestrictions) { 15940 if (DEBUG_REMOVE) { 15941 Slog.d(TAG, "Propagating install state across reinstall"); 15942 } 15943 for (int userId : allUserHandles) { 15944 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15945 if (DEBUG_REMOVE) { 15946 Slog.d(TAG, " user " + userId + " => " + installed); 15947 } 15948 ps.setInstalled(installed, userId); 15949 15950 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15951 } 15952 // Regardless of writeSettings we need to ensure that this restriction 15953 // state propagation is persisted 15954 mSettings.writeAllUsersPackageRestrictionsLPr(); 15955 } 15956 // can downgrade to reader here 15957 if (writeSettings) { 15958 mSettings.writeLPr(); 15959 } 15960 } 15961 return true; 15962 } 15963 15964 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15965 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15966 PackageRemovedInfo outInfo, boolean writeSettings, 15967 PackageParser.Package replacingPackage) { 15968 synchronized (mPackages) { 15969 if (outInfo != null) { 15970 outInfo.uid = ps.appId; 15971 } 15972 15973 if (outInfo != null && outInfo.removedChildPackages != null) { 15974 final int childCount = (ps.childPackageNames != null) 15975 ? ps.childPackageNames.size() : 0; 15976 for (int i = 0; i < childCount; i++) { 15977 String childPackageName = ps.childPackageNames.get(i); 15978 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15979 if (childPs == null) { 15980 return false; 15981 } 15982 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15983 childPackageName); 15984 if (childInfo != null) { 15985 childInfo.uid = childPs.appId; 15986 } 15987 } 15988 } 15989 } 15990 15991 // Delete package data from internal structures and also remove data if flag is set 15992 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15993 15994 // Delete the child packages data 15995 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15996 for (int i = 0; i < childCount; i++) { 15997 PackageSetting childPs; 15998 synchronized (mPackages) { 15999 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16000 } 16001 if (childPs != null) { 16002 PackageRemovedInfo childOutInfo = (outInfo != null 16003 && outInfo.removedChildPackages != null) 16004 ? outInfo.removedChildPackages.get(childPs.name) : null; 16005 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16006 && (replacingPackage != null 16007 && !replacingPackage.hasChildPackage(childPs.name)) 16008 ? flags & ~DELETE_KEEP_DATA : flags; 16009 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16010 deleteFlags, writeSettings); 16011 } 16012 } 16013 16014 // Delete application code and resources only for parent packages 16015 if (ps.parentPackageName == null) { 16016 if (deleteCodeAndResources && (outInfo != null)) { 16017 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16018 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16019 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16020 } 16021 } 16022 16023 return true; 16024 } 16025 16026 @Override 16027 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16028 int userId) { 16029 mContext.enforceCallingOrSelfPermission( 16030 android.Manifest.permission.DELETE_PACKAGES, null); 16031 synchronized (mPackages) { 16032 PackageSetting ps = mSettings.mPackages.get(packageName); 16033 if (ps == null) { 16034 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16035 return false; 16036 } 16037 if (!ps.getInstalled(userId)) { 16038 // Can't block uninstall for an app that is not installed or enabled. 16039 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16040 return false; 16041 } 16042 ps.setBlockUninstall(blockUninstall, userId); 16043 mSettings.writePackageRestrictionsLPr(userId); 16044 } 16045 return true; 16046 } 16047 16048 @Override 16049 public boolean getBlockUninstallForUser(String packageName, int userId) { 16050 synchronized (mPackages) { 16051 PackageSetting ps = mSettings.mPackages.get(packageName); 16052 if (ps == null) { 16053 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16054 return false; 16055 } 16056 return ps.getBlockUninstall(userId); 16057 } 16058 } 16059 16060 @Override 16061 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16062 int callingUid = Binder.getCallingUid(); 16063 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16064 throw new SecurityException( 16065 "setRequiredForSystemUser can only be run by the system or root"); 16066 } 16067 synchronized (mPackages) { 16068 PackageSetting ps = mSettings.mPackages.get(packageName); 16069 if (ps == null) { 16070 Log.w(TAG, "Package doesn't exist: " + packageName); 16071 return false; 16072 } 16073 if (systemUserApp) { 16074 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16075 } else { 16076 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16077 } 16078 mSettings.writeLPr(); 16079 } 16080 return true; 16081 } 16082 16083 /* 16084 * This method handles package deletion in general 16085 */ 16086 private boolean deletePackageLIF(String packageName, UserHandle user, 16087 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16088 PackageRemovedInfo outInfo, boolean writeSettings, 16089 PackageParser.Package replacingPackage) { 16090 if (packageName == null) { 16091 Slog.w(TAG, "Attempt to delete null packageName."); 16092 return false; 16093 } 16094 16095 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16096 16097 PackageSetting ps; 16098 16099 synchronized (mPackages) { 16100 ps = mSettings.mPackages.get(packageName); 16101 if (ps == null) { 16102 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16103 return false; 16104 } 16105 16106 if (ps.parentPackageName != null && (!isSystemApp(ps) 16107 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16108 if (DEBUG_REMOVE) { 16109 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16110 + ((user == null) ? UserHandle.USER_ALL : user)); 16111 } 16112 final int removedUserId = (user != null) ? user.getIdentifier() 16113 : UserHandle.USER_ALL; 16114 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16115 return false; 16116 } 16117 markPackageUninstalledForUserLPw(ps, user); 16118 scheduleWritePackageRestrictionsLocked(user); 16119 return true; 16120 } 16121 } 16122 16123 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16124 && user.getIdentifier() != UserHandle.USER_ALL)) { 16125 // The caller is asking that the package only be deleted for a single 16126 // user. To do this, we just mark its uninstalled state and delete 16127 // its data. If this is a system app, we only allow this to happen if 16128 // they have set the special DELETE_SYSTEM_APP which requests different 16129 // semantics than normal for uninstalling system apps. 16130 markPackageUninstalledForUserLPw(ps, user); 16131 16132 if (!isSystemApp(ps)) { 16133 // Do not uninstall the APK if an app should be cached 16134 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16135 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16136 // Other user still have this package installed, so all 16137 // we need to do is clear this user's data and save that 16138 // it is uninstalled. 16139 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16140 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16141 return false; 16142 } 16143 scheduleWritePackageRestrictionsLocked(user); 16144 return true; 16145 } else { 16146 // We need to set it back to 'installed' so the uninstall 16147 // broadcasts will be sent correctly. 16148 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16149 ps.setInstalled(true, user.getIdentifier()); 16150 } 16151 } else { 16152 // This is a system app, so we assume that the 16153 // other users still have this package installed, so all 16154 // we need to do is clear this user's data and save that 16155 // it is uninstalled. 16156 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16157 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16158 return false; 16159 } 16160 scheduleWritePackageRestrictionsLocked(user); 16161 return true; 16162 } 16163 } 16164 16165 // If we are deleting a composite package for all users, keep track 16166 // of result for each child. 16167 if (ps.childPackageNames != null && outInfo != null) { 16168 synchronized (mPackages) { 16169 final int childCount = ps.childPackageNames.size(); 16170 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16171 for (int i = 0; i < childCount; i++) { 16172 String childPackageName = ps.childPackageNames.get(i); 16173 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16174 childInfo.removedPackage = childPackageName; 16175 outInfo.removedChildPackages.put(childPackageName, childInfo); 16176 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16177 if (childPs != null) { 16178 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16179 } 16180 } 16181 } 16182 } 16183 16184 boolean ret = false; 16185 if (isSystemApp(ps)) { 16186 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16187 // When an updated system application is deleted we delete the existing resources 16188 // as well and fall back to existing code in system partition 16189 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16190 } else { 16191 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16192 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16193 outInfo, writeSettings, replacingPackage); 16194 } 16195 16196 // Take a note whether we deleted the package for all users 16197 if (outInfo != null) { 16198 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16199 if (outInfo.removedChildPackages != null) { 16200 synchronized (mPackages) { 16201 final int childCount = outInfo.removedChildPackages.size(); 16202 for (int i = 0; i < childCount; i++) { 16203 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16204 if (childInfo != null) { 16205 childInfo.removedForAllUsers = mPackages.get( 16206 childInfo.removedPackage) == null; 16207 } 16208 } 16209 } 16210 } 16211 // If we uninstalled an update to a system app there may be some 16212 // child packages that appeared as they are declared in the system 16213 // app but were not declared in the update. 16214 if (isSystemApp(ps)) { 16215 synchronized (mPackages) { 16216 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16217 final int childCount = (updatedPs.childPackageNames != null) 16218 ? updatedPs.childPackageNames.size() : 0; 16219 for (int i = 0; i < childCount; i++) { 16220 String childPackageName = updatedPs.childPackageNames.get(i); 16221 if (outInfo.removedChildPackages == null 16222 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16223 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16224 if (childPs == null) { 16225 continue; 16226 } 16227 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16228 installRes.name = childPackageName; 16229 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16230 installRes.pkg = mPackages.get(childPackageName); 16231 installRes.uid = childPs.pkg.applicationInfo.uid; 16232 if (outInfo.appearedChildPackages == null) { 16233 outInfo.appearedChildPackages = new ArrayMap<>(); 16234 } 16235 outInfo.appearedChildPackages.put(childPackageName, installRes); 16236 } 16237 } 16238 } 16239 } 16240 } 16241 16242 return ret; 16243 } 16244 16245 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16246 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16247 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16248 for (int nextUserId : userIds) { 16249 if (DEBUG_REMOVE) { 16250 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16251 } 16252 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16253 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16254 false /*hidden*/, false /*suspended*/, null, null, null, 16255 false /*blockUninstall*/, 16256 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16257 } 16258 } 16259 16260 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16261 PackageRemovedInfo outInfo) { 16262 final PackageParser.Package pkg; 16263 synchronized (mPackages) { 16264 pkg = mPackages.get(ps.name); 16265 } 16266 16267 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16268 : new int[] {userId}; 16269 for (int nextUserId : userIds) { 16270 if (DEBUG_REMOVE) { 16271 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16272 + nextUserId); 16273 } 16274 16275 destroyAppDataLIF(pkg, userId, 16276 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16277 destroyAppProfilesLIF(pkg, userId); 16278 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16279 schedulePackageCleaning(ps.name, nextUserId, false); 16280 synchronized (mPackages) { 16281 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16282 scheduleWritePackageRestrictionsLocked(nextUserId); 16283 } 16284 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16285 } 16286 } 16287 16288 if (outInfo != null) { 16289 outInfo.removedPackage = ps.name; 16290 outInfo.removedAppId = ps.appId; 16291 outInfo.removedUsers = userIds; 16292 } 16293 16294 return true; 16295 } 16296 16297 private final class ClearStorageConnection implements ServiceConnection { 16298 IMediaContainerService mContainerService; 16299 16300 @Override 16301 public void onServiceConnected(ComponentName name, IBinder service) { 16302 synchronized (this) { 16303 mContainerService = IMediaContainerService.Stub.asInterface(service); 16304 notifyAll(); 16305 } 16306 } 16307 16308 @Override 16309 public void onServiceDisconnected(ComponentName name) { 16310 } 16311 } 16312 16313 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16314 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16315 16316 final boolean mounted; 16317 if (Environment.isExternalStorageEmulated()) { 16318 mounted = true; 16319 } else { 16320 final String status = Environment.getExternalStorageState(); 16321 16322 mounted = status.equals(Environment.MEDIA_MOUNTED) 16323 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16324 } 16325 16326 if (!mounted) { 16327 return; 16328 } 16329 16330 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16331 int[] users; 16332 if (userId == UserHandle.USER_ALL) { 16333 users = sUserManager.getUserIds(); 16334 } else { 16335 users = new int[] { userId }; 16336 } 16337 final ClearStorageConnection conn = new ClearStorageConnection(); 16338 if (mContext.bindServiceAsUser( 16339 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16340 try { 16341 for (int curUser : users) { 16342 long timeout = SystemClock.uptimeMillis() + 5000; 16343 synchronized (conn) { 16344 long now = SystemClock.uptimeMillis(); 16345 while (conn.mContainerService == null && now < timeout) { 16346 try { 16347 conn.wait(timeout - now); 16348 } catch (InterruptedException e) { 16349 } 16350 } 16351 } 16352 if (conn.mContainerService == null) { 16353 return; 16354 } 16355 16356 final UserEnvironment userEnv = new UserEnvironment(curUser); 16357 clearDirectory(conn.mContainerService, 16358 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16359 if (allData) { 16360 clearDirectory(conn.mContainerService, 16361 userEnv.buildExternalStorageAppDataDirs(packageName)); 16362 clearDirectory(conn.mContainerService, 16363 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16364 } 16365 } 16366 } finally { 16367 mContext.unbindService(conn); 16368 } 16369 } 16370 } 16371 16372 @Override 16373 public void clearApplicationProfileData(String packageName) { 16374 enforceSystemOrRoot("Only the system can clear all profile data"); 16375 16376 final PackageParser.Package pkg; 16377 synchronized (mPackages) { 16378 pkg = mPackages.get(packageName); 16379 } 16380 16381 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16382 synchronized (mInstallLock) { 16383 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16384 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16385 true /* removeBaseMarker */); 16386 } 16387 } 16388 } 16389 16390 @Override 16391 public void clearApplicationUserData(final String packageName, 16392 final IPackageDataObserver observer, final int userId) { 16393 mContext.enforceCallingOrSelfPermission( 16394 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16395 16396 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16397 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16398 16399 final DevicePolicyManagerInternal dpmi = LocalServices 16400 .getService(DevicePolicyManagerInternal.class); 16401 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16402 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16403 } 16404 // Queue up an async operation since the package deletion may take a little while. 16405 mHandler.post(new Runnable() { 16406 public void run() { 16407 mHandler.removeCallbacks(this); 16408 final boolean succeeded; 16409 try (PackageFreezer freezer = freezePackage(packageName, 16410 "clearApplicationUserData")) { 16411 synchronized (mInstallLock) { 16412 succeeded = clearApplicationUserDataLIF(packageName, userId); 16413 } 16414 clearExternalStorageDataSync(packageName, userId, true); 16415 } 16416 if (succeeded) { 16417 // invoke DeviceStorageMonitor's update method to clear any notifications 16418 DeviceStorageMonitorInternal dsm = LocalServices 16419 .getService(DeviceStorageMonitorInternal.class); 16420 if (dsm != null) { 16421 dsm.checkMemory(); 16422 } 16423 } 16424 if(observer != null) { 16425 try { 16426 observer.onRemoveCompleted(packageName, succeeded); 16427 } catch (RemoteException e) { 16428 Log.i(TAG, "Observer no longer exists."); 16429 } 16430 } //end if observer 16431 } //end run 16432 }); 16433 } 16434 16435 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16436 if (packageName == null) { 16437 Slog.w(TAG, "Attempt to delete null packageName."); 16438 return false; 16439 } 16440 16441 // Try finding details about the requested package 16442 PackageParser.Package pkg; 16443 synchronized (mPackages) { 16444 pkg = mPackages.get(packageName); 16445 if (pkg == null) { 16446 final PackageSetting ps = mSettings.mPackages.get(packageName); 16447 if (ps != null) { 16448 pkg = ps.pkg; 16449 } 16450 } 16451 16452 if (pkg == null) { 16453 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16454 return false; 16455 } 16456 16457 PackageSetting ps = (PackageSetting) pkg.mExtras; 16458 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16459 } 16460 16461 clearAppDataLIF(pkg, userId, 16462 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16463 16464 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16465 removeKeystoreDataIfNeeded(userId, appId); 16466 16467 UserManagerInternal umInternal = getUserManagerInternal(); 16468 final int flags; 16469 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16470 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16471 } else if (umInternal.isUserRunning(userId)) { 16472 flags = StorageManager.FLAG_STORAGE_DE; 16473 } else { 16474 flags = 0; 16475 } 16476 prepareAppDataContentsLIF(pkg, userId, flags); 16477 16478 return true; 16479 } 16480 16481 /** 16482 * Reverts user permission state changes (permissions and flags) in 16483 * all packages for a given user. 16484 * 16485 * @param userId The device user for which to do a reset. 16486 */ 16487 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16488 final int packageCount = mPackages.size(); 16489 for (int i = 0; i < packageCount; i++) { 16490 PackageParser.Package pkg = mPackages.valueAt(i); 16491 PackageSetting ps = (PackageSetting) pkg.mExtras; 16492 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16493 } 16494 } 16495 16496 private void resetNetworkPolicies(int userId) { 16497 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16498 } 16499 16500 /** 16501 * Reverts user permission state changes (permissions and flags). 16502 * 16503 * @param ps The package for which to reset. 16504 * @param userId The device user for which to do a reset. 16505 */ 16506 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16507 final PackageSetting ps, final int userId) { 16508 if (ps.pkg == null) { 16509 return; 16510 } 16511 16512 // These are flags that can change base on user actions. 16513 final int userSettableMask = FLAG_PERMISSION_USER_SET 16514 | FLAG_PERMISSION_USER_FIXED 16515 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16516 | FLAG_PERMISSION_REVIEW_REQUIRED; 16517 16518 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16519 | FLAG_PERMISSION_POLICY_FIXED; 16520 16521 boolean writeInstallPermissions = false; 16522 boolean writeRuntimePermissions = false; 16523 16524 final int permissionCount = ps.pkg.requestedPermissions.size(); 16525 for (int i = 0; i < permissionCount; i++) { 16526 String permission = ps.pkg.requestedPermissions.get(i); 16527 16528 BasePermission bp = mSettings.mPermissions.get(permission); 16529 if (bp == null) { 16530 continue; 16531 } 16532 16533 // If shared user we just reset the state to which only this app contributed. 16534 if (ps.sharedUser != null) { 16535 boolean used = false; 16536 final int packageCount = ps.sharedUser.packages.size(); 16537 for (int j = 0; j < packageCount; j++) { 16538 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16539 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16540 && pkg.pkg.requestedPermissions.contains(permission)) { 16541 used = true; 16542 break; 16543 } 16544 } 16545 if (used) { 16546 continue; 16547 } 16548 } 16549 16550 PermissionsState permissionsState = ps.getPermissionsState(); 16551 16552 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16553 16554 // Always clear the user settable flags. 16555 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16556 bp.name) != null; 16557 // If permission review is enabled and this is a legacy app, mark the 16558 // permission as requiring a review as this is the initial state. 16559 int flags = 0; 16560 if (Build.PERMISSIONS_REVIEW_REQUIRED 16561 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16562 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16563 } 16564 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16565 if (hasInstallState) { 16566 writeInstallPermissions = true; 16567 } else { 16568 writeRuntimePermissions = true; 16569 } 16570 } 16571 16572 // Below is only runtime permission handling. 16573 if (!bp.isRuntime()) { 16574 continue; 16575 } 16576 16577 // Never clobber system or policy. 16578 if ((oldFlags & policyOrSystemFlags) != 0) { 16579 continue; 16580 } 16581 16582 // If this permission was granted by default, make sure it is. 16583 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16584 if (permissionsState.grantRuntimePermission(bp, userId) 16585 != PERMISSION_OPERATION_FAILURE) { 16586 writeRuntimePermissions = true; 16587 } 16588 // If permission review is enabled the permissions for a legacy apps 16589 // are represented as constantly granted runtime ones, so don't revoke. 16590 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16591 // Otherwise, reset the permission. 16592 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16593 switch (revokeResult) { 16594 case PERMISSION_OPERATION_SUCCESS: 16595 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16596 writeRuntimePermissions = true; 16597 final int appId = ps.appId; 16598 mHandler.post(new Runnable() { 16599 @Override 16600 public void run() { 16601 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16602 } 16603 }); 16604 } break; 16605 } 16606 } 16607 } 16608 16609 // Synchronously write as we are taking permissions away. 16610 if (writeRuntimePermissions) { 16611 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16612 } 16613 16614 // Synchronously write as we are taking permissions away. 16615 if (writeInstallPermissions) { 16616 mSettings.writeLPr(); 16617 } 16618 } 16619 16620 /** 16621 * Remove entries from the keystore daemon. Will only remove it if the 16622 * {@code appId} is valid. 16623 */ 16624 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16625 if (appId < 0) { 16626 return; 16627 } 16628 16629 final KeyStore keyStore = KeyStore.getInstance(); 16630 if (keyStore != null) { 16631 if (userId == UserHandle.USER_ALL) { 16632 for (final int individual : sUserManager.getUserIds()) { 16633 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16634 } 16635 } else { 16636 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16637 } 16638 } else { 16639 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16640 } 16641 } 16642 16643 @Override 16644 public void deleteApplicationCacheFiles(final String packageName, 16645 final IPackageDataObserver observer) { 16646 final int userId = UserHandle.getCallingUserId(); 16647 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16648 } 16649 16650 @Override 16651 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16652 final IPackageDataObserver observer) { 16653 mContext.enforceCallingOrSelfPermission( 16654 android.Manifest.permission.DELETE_CACHE_FILES, null); 16655 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16656 /* requireFullPermission= */ true, /* checkShell= */ false, 16657 "delete application cache files"); 16658 16659 final PackageParser.Package pkg; 16660 synchronized (mPackages) { 16661 pkg = mPackages.get(packageName); 16662 } 16663 16664 // Queue up an async operation since the package deletion may take a little while. 16665 mHandler.post(new Runnable() { 16666 public void run() { 16667 synchronized (mInstallLock) { 16668 final int flags = StorageManager.FLAG_STORAGE_DE 16669 | StorageManager.FLAG_STORAGE_CE; 16670 // We're only clearing cache files, so we don't care if the 16671 // app is unfrozen and still able to run 16672 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16673 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16674 } 16675 clearExternalStorageDataSync(packageName, userId, false); 16676 if (observer != null) { 16677 try { 16678 observer.onRemoveCompleted(packageName, true); 16679 } catch (RemoteException e) { 16680 Log.i(TAG, "Observer no longer exists."); 16681 } 16682 } 16683 } 16684 }); 16685 } 16686 16687 @Override 16688 public void getPackageSizeInfo(final String packageName, int userHandle, 16689 final IPackageStatsObserver observer) { 16690 mContext.enforceCallingOrSelfPermission( 16691 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16692 if (packageName == null) { 16693 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16694 } 16695 16696 PackageStats stats = new PackageStats(packageName, userHandle); 16697 16698 /* 16699 * Queue up an async operation since the package measurement may take a 16700 * little while. 16701 */ 16702 Message msg = mHandler.obtainMessage(INIT_COPY); 16703 msg.obj = new MeasureParams(stats, observer); 16704 mHandler.sendMessage(msg); 16705 } 16706 16707 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16708 final PackageSetting ps; 16709 synchronized (mPackages) { 16710 ps = mSettings.mPackages.get(packageName); 16711 if (ps == null) { 16712 Slog.w(TAG, "Failed to find settings for " + packageName); 16713 return false; 16714 } 16715 } 16716 try { 16717 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16718 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16719 ps.getCeDataInode(userId), ps.codePathString, stats); 16720 } catch (InstallerException e) { 16721 Slog.w(TAG, String.valueOf(e)); 16722 return false; 16723 } 16724 16725 // For now, ignore code size of packages on system partition 16726 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16727 stats.codeSize = 0; 16728 } 16729 16730 return true; 16731 } 16732 16733 private int getUidTargetSdkVersionLockedLPr(int uid) { 16734 Object obj = mSettings.getUserIdLPr(uid); 16735 if (obj instanceof SharedUserSetting) { 16736 final SharedUserSetting sus = (SharedUserSetting) obj; 16737 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16738 final Iterator<PackageSetting> it = sus.packages.iterator(); 16739 while (it.hasNext()) { 16740 final PackageSetting ps = it.next(); 16741 if (ps.pkg != null) { 16742 int v = ps.pkg.applicationInfo.targetSdkVersion; 16743 if (v < vers) vers = v; 16744 } 16745 } 16746 return vers; 16747 } else if (obj instanceof PackageSetting) { 16748 final PackageSetting ps = (PackageSetting) obj; 16749 if (ps.pkg != null) { 16750 return ps.pkg.applicationInfo.targetSdkVersion; 16751 } 16752 } 16753 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16754 } 16755 16756 @Override 16757 public void addPreferredActivity(IntentFilter filter, int match, 16758 ComponentName[] set, ComponentName activity, int userId) { 16759 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16760 "Adding preferred"); 16761 } 16762 16763 private void addPreferredActivityInternal(IntentFilter filter, int match, 16764 ComponentName[] set, ComponentName activity, boolean always, int userId, 16765 String opname) { 16766 // writer 16767 int callingUid = Binder.getCallingUid(); 16768 enforceCrossUserPermission(callingUid, userId, 16769 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16770 if (filter.countActions() == 0) { 16771 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16772 return; 16773 } 16774 synchronized (mPackages) { 16775 if (mContext.checkCallingOrSelfPermission( 16776 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16777 != PackageManager.PERMISSION_GRANTED) { 16778 if (getUidTargetSdkVersionLockedLPr(callingUid) 16779 < Build.VERSION_CODES.FROYO) { 16780 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16781 + callingUid); 16782 return; 16783 } 16784 mContext.enforceCallingOrSelfPermission( 16785 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16786 } 16787 16788 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16789 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16790 + userId + ":"); 16791 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16792 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16793 scheduleWritePackageRestrictionsLocked(userId); 16794 } 16795 } 16796 16797 @Override 16798 public void replacePreferredActivity(IntentFilter filter, int match, 16799 ComponentName[] set, ComponentName activity, int userId) { 16800 if (filter.countActions() != 1) { 16801 throw new IllegalArgumentException( 16802 "replacePreferredActivity expects filter to have only 1 action."); 16803 } 16804 if (filter.countDataAuthorities() != 0 16805 || filter.countDataPaths() != 0 16806 || filter.countDataSchemes() > 1 16807 || filter.countDataTypes() != 0) { 16808 throw new IllegalArgumentException( 16809 "replacePreferredActivity expects filter to have no data authorities, " + 16810 "paths, or types; and at most one scheme."); 16811 } 16812 16813 final int callingUid = Binder.getCallingUid(); 16814 enforceCrossUserPermission(callingUid, userId, 16815 true /* requireFullPermission */, false /* checkShell */, 16816 "replace preferred activity"); 16817 synchronized (mPackages) { 16818 if (mContext.checkCallingOrSelfPermission( 16819 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16820 != PackageManager.PERMISSION_GRANTED) { 16821 if (getUidTargetSdkVersionLockedLPr(callingUid) 16822 < Build.VERSION_CODES.FROYO) { 16823 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16824 + Binder.getCallingUid()); 16825 return; 16826 } 16827 mContext.enforceCallingOrSelfPermission( 16828 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16829 } 16830 16831 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16832 if (pir != null) { 16833 // Get all of the existing entries that exactly match this filter. 16834 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16835 if (existing != null && existing.size() == 1) { 16836 PreferredActivity cur = existing.get(0); 16837 if (DEBUG_PREFERRED) { 16838 Slog.i(TAG, "Checking replace of preferred:"); 16839 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16840 if (!cur.mPref.mAlways) { 16841 Slog.i(TAG, " -- CUR; not mAlways!"); 16842 } else { 16843 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16844 Slog.i(TAG, " -- CUR: mSet=" 16845 + Arrays.toString(cur.mPref.mSetComponents)); 16846 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16847 Slog.i(TAG, " -- NEW: mMatch=" 16848 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16849 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16850 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16851 } 16852 } 16853 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16854 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16855 && cur.mPref.sameSet(set)) { 16856 // Setting the preferred activity to what it happens to be already 16857 if (DEBUG_PREFERRED) { 16858 Slog.i(TAG, "Replacing with same preferred activity " 16859 + cur.mPref.mShortComponent + " for user " 16860 + userId + ":"); 16861 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16862 } 16863 return; 16864 } 16865 } 16866 16867 if (existing != null) { 16868 if (DEBUG_PREFERRED) { 16869 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16870 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16871 } 16872 for (int i = 0; i < existing.size(); i++) { 16873 PreferredActivity pa = existing.get(i); 16874 if (DEBUG_PREFERRED) { 16875 Slog.i(TAG, "Removing existing preferred activity " 16876 + pa.mPref.mComponent + ":"); 16877 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16878 } 16879 pir.removeFilter(pa); 16880 } 16881 } 16882 } 16883 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16884 "Replacing preferred"); 16885 } 16886 } 16887 16888 @Override 16889 public void clearPackagePreferredActivities(String packageName) { 16890 final int uid = Binder.getCallingUid(); 16891 // writer 16892 synchronized (mPackages) { 16893 PackageParser.Package pkg = mPackages.get(packageName); 16894 if (pkg == null || pkg.applicationInfo.uid != uid) { 16895 if (mContext.checkCallingOrSelfPermission( 16896 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16897 != PackageManager.PERMISSION_GRANTED) { 16898 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16899 < Build.VERSION_CODES.FROYO) { 16900 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16901 + Binder.getCallingUid()); 16902 return; 16903 } 16904 mContext.enforceCallingOrSelfPermission( 16905 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16906 } 16907 } 16908 16909 int user = UserHandle.getCallingUserId(); 16910 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16911 scheduleWritePackageRestrictionsLocked(user); 16912 } 16913 } 16914 } 16915 16916 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16917 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16918 ArrayList<PreferredActivity> removed = null; 16919 boolean changed = false; 16920 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16921 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16922 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16923 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16924 continue; 16925 } 16926 Iterator<PreferredActivity> it = pir.filterIterator(); 16927 while (it.hasNext()) { 16928 PreferredActivity pa = it.next(); 16929 // Mark entry for removal only if it matches the package name 16930 // and the entry is of type "always". 16931 if (packageName == null || 16932 (pa.mPref.mComponent.getPackageName().equals(packageName) 16933 && pa.mPref.mAlways)) { 16934 if (removed == null) { 16935 removed = new ArrayList<PreferredActivity>(); 16936 } 16937 removed.add(pa); 16938 } 16939 } 16940 if (removed != null) { 16941 for (int j=0; j<removed.size(); j++) { 16942 PreferredActivity pa = removed.get(j); 16943 pir.removeFilter(pa); 16944 } 16945 changed = true; 16946 } 16947 } 16948 return changed; 16949 } 16950 16951 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16952 private void clearIntentFilterVerificationsLPw(int userId) { 16953 final int packageCount = mPackages.size(); 16954 for (int i = 0; i < packageCount; i++) { 16955 PackageParser.Package pkg = mPackages.valueAt(i); 16956 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16957 } 16958 } 16959 16960 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16961 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16962 if (userId == UserHandle.USER_ALL) { 16963 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16964 sUserManager.getUserIds())) { 16965 for (int oneUserId : sUserManager.getUserIds()) { 16966 scheduleWritePackageRestrictionsLocked(oneUserId); 16967 } 16968 } 16969 } else { 16970 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16971 scheduleWritePackageRestrictionsLocked(userId); 16972 } 16973 } 16974 } 16975 16976 void clearDefaultBrowserIfNeeded(String packageName) { 16977 for (int oneUserId : sUserManager.getUserIds()) { 16978 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16979 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16980 if (packageName.equals(defaultBrowserPackageName)) { 16981 setDefaultBrowserPackageName(null, oneUserId); 16982 } 16983 } 16984 } 16985 16986 @Override 16987 public void resetApplicationPreferences(int userId) { 16988 mContext.enforceCallingOrSelfPermission( 16989 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16990 final long identity = Binder.clearCallingIdentity(); 16991 // writer 16992 try { 16993 synchronized (mPackages) { 16994 clearPackagePreferredActivitiesLPw(null, userId); 16995 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16996 // TODO: We have to reset the default SMS and Phone. This requires 16997 // significant refactoring to keep all default apps in the package 16998 // manager (cleaner but more work) or have the services provide 16999 // callbacks to the package manager to request a default app reset. 17000 applyFactoryDefaultBrowserLPw(userId); 17001 clearIntentFilterVerificationsLPw(userId); 17002 primeDomainVerificationsLPw(userId); 17003 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17004 scheduleWritePackageRestrictionsLocked(userId); 17005 } 17006 resetNetworkPolicies(userId); 17007 } finally { 17008 Binder.restoreCallingIdentity(identity); 17009 } 17010 } 17011 17012 @Override 17013 public int getPreferredActivities(List<IntentFilter> outFilters, 17014 List<ComponentName> outActivities, String packageName) { 17015 17016 int num = 0; 17017 final int userId = UserHandle.getCallingUserId(); 17018 // reader 17019 synchronized (mPackages) { 17020 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17021 if (pir != null) { 17022 final Iterator<PreferredActivity> it = pir.filterIterator(); 17023 while (it.hasNext()) { 17024 final PreferredActivity pa = it.next(); 17025 if (packageName == null 17026 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17027 && pa.mPref.mAlways)) { 17028 if (outFilters != null) { 17029 outFilters.add(new IntentFilter(pa)); 17030 } 17031 if (outActivities != null) { 17032 outActivities.add(pa.mPref.mComponent); 17033 } 17034 } 17035 } 17036 } 17037 } 17038 17039 return num; 17040 } 17041 17042 @Override 17043 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17044 int userId) { 17045 int callingUid = Binder.getCallingUid(); 17046 if (callingUid != Process.SYSTEM_UID) { 17047 throw new SecurityException( 17048 "addPersistentPreferredActivity can only be run by the system"); 17049 } 17050 if (filter.countActions() == 0) { 17051 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17052 return; 17053 } 17054 synchronized (mPackages) { 17055 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17056 ":"); 17057 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17058 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17059 new PersistentPreferredActivity(filter, activity)); 17060 scheduleWritePackageRestrictionsLocked(userId); 17061 } 17062 } 17063 17064 @Override 17065 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17066 int callingUid = Binder.getCallingUid(); 17067 if (callingUid != Process.SYSTEM_UID) { 17068 throw new SecurityException( 17069 "clearPackagePersistentPreferredActivities can only be run by the system"); 17070 } 17071 ArrayList<PersistentPreferredActivity> removed = null; 17072 boolean changed = false; 17073 synchronized (mPackages) { 17074 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17075 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17076 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17077 .valueAt(i); 17078 if (userId != thisUserId) { 17079 continue; 17080 } 17081 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17082 while (it.hasNext()) { 17083 PersistentPreferredActivity ppa = it.next(); 17084 // Mark entry for removal only if it matches the package name. 17085 if (ppa.mComponent.getPackageName().equals(packageName)) { 17086 if (removed == null) { 17087 removed = new ArrayList<PersistentPreferredActivity>(); 17088 } 17089 removed.add(ppa); 17090 } 17091 } 17092 if (removed != null) { 17093 for (int j=0; j<removed.size(); j++) { 17094 PersistentPreferredActivity ppa = removed.get(j); 17095 ppir.removeFilter(ppa); 17096 } 17097 changed = true; 17098 } 17099 } 17100 17101 if (changed) { 17102 scheduleWritePackageRestrictionsLocked(userId); 17103 } 17104 } 17105 } 17106 17107 /** 17108 * Common machinery for picking apart a restored XML blob and passing 17109 * it to a caller-supplied functor to be applied to the running system. 17110 */ 17111 private void restoreFromXml(XmlPullParser parser, int userId, 17112 String expectedStartTag, BlobXmlRestorer functor) 17113 throws IOException, XmlPullParserException { 17114 int type; 17115 while ((type = parser.next()) != XmlPullParser.START_TAG 17116 && type != XmlPullParser.END_DOCUMENT) { 17117 } 17118 if (type != XmlPullParser.START_TAG) { 17119 // oops didn't find a start tag?! 17120 if (DEBUG_BACKUP) { 17121 Slog.e(TAG, "Didn't find start tag during restore"); 17122 } 17123 return; 17124 } 17125Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17126 // this is supposed to be TAG_PREFERRED_BACKUP 17127 if (!expectedStartTag.equals(parser.getName())) { 17128 if (DEBUG_BACKUP) { 17129 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17130 } 17131 return; 17132 } 17133 17134 // skip interfering stuff, then we're aligned with the backing implementation 17135 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17136Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17137 functor.apply(parser, userId); 17138 } 17139 17140 private interface BlobXmlRestorer { 17141 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17142 } 17143 17144 /** 17145 * Non-Binder method, support for the backup/restore mechanism: write the 17146 * full set of preferred activities in its canonical XML format. Returns the 17147 * XML output as a byte array, or null if there is none. 17148 */ 17149 @Override 17150 public byte[] getPreferredActivityBackup(int userId) { 17151 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17152 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17153 } 17154 17155 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17156 try { 17157 final XmlSerializer serializer = new FastXmlSerializer(); 17158 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17159 serializer.startDocument(null, true); 17160 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17161 17162 synchronized (mPackages) { 17163 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17164 } 17165 17166 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17167 serializer.endDocument(); 17168 serializer.flush(); 17169 } catch (Exception e) { 17170 if (DEBUG_BACKUP) { 17171 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17172 } 17173 return null; 17174 } 17175 17176 return dataStream.toByteArray(); 17177 } 17178 17179 @Override 17180 public void restorePreferredActivities(byte[] backup, int userId) { 17181 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17182 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17183 } 17184 17185 try { 17186 final XmlPullParser parser = Xml.newPullParser(); 17187 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17188 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17189 new BlobXmlRestorer() { 17190 @Override 17191 public void apply(XmlPullParser parser, int userId) 17192 throws XmlPullParserException, IOException { 17193 synchronized (mPackages) { 17194 mSettings.readPreferredActivitiesLPw(parser, userId); 17195 } 17196 } 17197 } ); 17198 } catch (Exception e) { 17199 if (DEBUG_BACKUP) { 17200 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17201 } 17202 } 17203 } 17204 17205 /** 17206 * Non-Binder method, support for the backup/restore mechanism: write the 17207 * default browser (etc) settings in its canonical XML format. Returns the default 17208 * browser XML representation as a byte array, or null if there is none. 17209 */ 17210 @Override 17211 public byte[] getDefaultAppsBackup(int userId) { 17212 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17213 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17214 } 17215 17216 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17217 try { 17218 final XmlSerializer serializer = new FastXmlSerializer(); 17219 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17220 serializer.startDocument(null, true); 17221 serializer.startTag(null, TAG_DEFAULT_APPS); 17222 17223 synchronized (mPackages) { 17224 mSettings.writeDefaultAppsLPr(serializer, userId); 17225 } 17226 17227 serializer.endTag(null, TAG_DEFAULT_APPS); 17228 serializer.endDocument(); 17229 serializer.flush(); 17230 } catch (Exception e) { 17231 if (DEBUG_BACKUP) { 17232 Slog.e(TAG, "Unable to write default apps for backup", e); 17233 } 17234 return null; 17235 } 17236 17237 return dataStream.toByteArray(); 17238 } 17239 17240 @Override 17241 public void restoreDefaultApps(byte[] backup, int userId) { 17242 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17243 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17244 } 17245 17246 try { 17247 final XmlPullParser parser = Xml.newPullParser(); 17248 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17249 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17250 new BlobXmlRestorer() { 17251 @Override 17252 public void apply(XmlPullParser parser, int userId) 17253 throws XmlPullParserException, IOException { 17254 synchronized (mPackages) { 17255 mSettings.readDefaultAppsLPw(parser, userId); 17256 } 17257 } 17258 } ); 17259 } catch (Exception e) { 17260 if (DEBUG_BACKUP) { 17261 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17262 } 17263 } 17264 } 17265 17266 @Override 17267 public byte[] getIntentFilterVerificationBackup(int userId) { 17268 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17269 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17270 } 17271 17272 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17273 try { 17274 final XmlSerializer serializer = new FastXmlSerializer(); 17275 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17276 serializer.startDocument(null, true); 17277 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17278 17279 synchronized (mPackages) { 17280 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17281 } 17282 17283 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17284 serializer.endDocument(); 17285 serializer.flush(); 17286 } catch (Exception e) { 17287 if (DEBUG_BACKUP) { 17288 Slog.e(TAG, "Unable to write default apps for backup", e); 17289 } 17290 return null; 17291 } 17292 17293 return dataStream.toByteArray(); 17294 } 17295 17296 @Override 17297 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17298 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17299 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17300 } 17301 17302 try { 17303 final XmlPullParser parser = Xml.newPullParser(); 17304 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17305 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17306 new BlobXmlRestorer() { 17307 @Override 17308 public void apply(XmlPullParser parser, int userId) 17309 throws XmlPullParserException, IOException { 17310 synchronized (mPackages) { 17311 mSettings.readAllDomainVerificationsLPr(parser, userId); 17312 mSettings.writeLPr(); 17313 } 17314 } 17315 } ); 17316 } catch (Exception e) { 17317 if (DEBUG_BACKUP) { 17318 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17319 } 17320 } 17321 } 17322 17323 @Override 17324 public byte[] getPermissionGrantBackup(int userId) { 17325 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17326 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17327 } 17328 17329 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17330 try { 17331 final XmlSerializer serializer = new FastXmlSerializer(); 17332 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17333 serializer.startDocument(null, true); 17334 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17335 17336 synchronized (mPackages) { 17337 serializeRuntimePermissionGrantsLPr(serializer, userId); 17338 } 17339 17340 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17341 serializer.endDocument(); 17342 serializer.flush(); 17343 } catch (Exception e) { 17344 if (DEBUG_BACKUP) { 17345 Slog.e(TAG, "Unable to write default apps for backup", e); 17346 } 17347 return null; 17348 } 17349 17350 return dataStream.toByteArray(); 17351 } 17352 17353 @Override 17354 public void restorePermissionGrants(byte[] backup, int userId) { 17355 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17356 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17357 } 17358 17359 try { 17360 final XmlPullParser parser = Xml.newPullParser(); 17361 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17362 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17363 new BlobXmlRestorer() { 17364 @Override 17365 public void apply(XmlPullParser parser, int userId) 17366 throws XmlPullParserException, IOException { 17367 synchronized (mPackages) { 17368 processRestoredPermissionGrantsLPr(parser, userId); 17369 } 17370 } 17371 } ); 17372 } catch (Exception e) { 17373 if (DEBUG_BACKUP) { 17374 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17375 } 17376 } 17377 } 17378 17379 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17380 throws IOException { 17381 serializer.startTag(null, TAG_ALL_GRANTS); 17382 17383 final int N = mSettings.mPackages.size(); 17384 for (int i = 0; i < N; i++) { 17385 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17386 boolean pkgGrantsKnown = false; 17387 17388 PermissionsState packagePerms = ps.getPermissionsState(); 17389 17390 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17391 final int grantFlags = state.getFlags(); 17392 // only look at grants that are not system/policy fixed 17393 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17394 final boolean isGranted = state.isGranted(); 17395 // And only back up the user-twiddled state bits 17396 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17397 final String packageName = mSettings.mPackages.keyAt(i); 17398 if (!pkgGrantsKnown) { 17399 serializer.startTag(null, TAG_GRANT); 17400 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17401 pkgGrantsKnown = true; 17402 } 17403 17404 final boolean userSet = 17405 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17406 final boolean userFixed = 17407 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17408 final boolean revoke = 17409 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17410 17411 serializer.startTag(null, TAG_PERMISSION); 17412 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17413 if (isGranted) { 17414 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17415 } 17416 if (userSet) { 17417 serializer.attribute(null, ATTR_USER_SET, "true"); 17418 } 17419 if (userFixed) { 17420 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17421 } 17422 if (revoke) { 17423 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17424 } 17425 serializer.endTag(null, TAG_PERMISSION); 17426 } 17427 } 17428 } 17429 17430 if (pkgGrantsKnown) { 17431 serializer.endTag(null, TAG_GRANT); 17432 } 17433 } 17434 17435 serializer.endTag(null, TAG_ALL_GRANTS); 17436 } 17437 17438 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17439 throws XmlPullParserException, IOException { 17440 String pkgName = null; 17441 int outerDepth = parser.getDepth(); 17442 int type; 17443 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17444 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17445 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17446 continue; 17447 } 17448 17449 final String tagName = parser.getName(); 17450 if (tagName.equals(TAG_GRANT)) { 17451 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17452 if (DEBUG_BACKUP) { 17453 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17454 } 17455 } else if (tagName.equals(TAG_PERMISSION)) { 17456 17457 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17458 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17459 17460 int newFlagSet = 0; 17461 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17462 newFlagSet |= FLAG_PERMISSION_USER_SET; 17463 } 17464 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17465 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17466 } 17467 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17468 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17469 } 17470 if (DEBUG_BACKUP) { 17471 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17472 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17473 } 17474 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17475 if (ps != null) { 17476 // Already installed so we apply the grant immediately 17477 if (DEBUG_BACKUP) { 17478 Slog.v(TAG, " + already installed; applying"); 17479 } 17480 PermissionsState perms = ps.getPermissionsState(); 17481 BasePermission bp = mSettings.mPermissions.get(permName); 17482 if (bp != null) { 17483 if (isGranted) { 17484 perms.grantRuntimePermission(bp, userId); 17485 } 17486 if (newFlagSet != 0) { 17487 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17488 } 17489 } 17490 } else { 17491 // Need to wait for post-restore install to apply the grant 17492 if (DEBUG_BACKUP) { 17493 Slog.v(TAG, " - not yet installed; saving for later"); 17494 } 17495 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17496 isGranted, newFlagSet, userId); 17497 } 17498 } else { 17499 PackageManagerService.reportSettingsProblem(Log.WARN, 17500 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17501 XmlUtils.skipCurrentTag(parser); 17502 } 17503 } 17504 17505 scheduleWriteSettingsLocked(); 17506 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17507 } 17508 17509 @Override 17510 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17511 int sourceUserId, int targetUserId, int flags) { 17512 mContext.enforceCallingOrSelfPermission( 17513 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17514 int callingUid = Binder.getCallingUid(); 17515 enforceOwnerRights(ownerPackage, callingUid); 17516 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17517 if (intentFilter.countActions() == 0) { 17518 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17519 return; 17520 } 17521 synchronized (mPackages) { 17522 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17523 ownerPackage, targetUserId, flags); 17524 CrossProfileIntentResolver resolver = 17525 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17526 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17527 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17528 if (existing != null) { 17529 int size = existing.size(); 17530 for (int i = 0; i < size; i++) { 17531 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17532 return; 17533 } 17534 } 17535 } 17536 resolver.addFilter(newFilter); 17537 scheduleWritePackageRestrictionsLocked(sourceUserId); 17538 } 17539 } 17540 17541 @Override 17542 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17543 mContext.enforceCallingOrSelfPermission( 17544 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17545 int callingUid = Binder.getCallingUid(); 17546 enforceOwnerRights(ownerPackage, callingUid); 17547 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17548 synchronized (mPackages) { 17549 CrossProfileIntentResolver resolver = 17550 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17551 ArraySet<CrossProfileIntentFilter> set = 17552 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17553 for (CrossProfileIntentFilter filter : set) { 17554 if (filter.getOwnerPackage().equals(ownerPackage)) { 17555 resolver.removeFilter(filter); 17556 } 17557 } 17558 scheduleWritePackageRestrictionsLocked(sourceUserId); 17559 } 17560 } 17561 17562 // Enforcing that callingUid is owning pkg on userId 17563 private void enforceOwnerRights(String pkg, int callingUid) { 17564 // The system owns everything. 17565 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17566 return; 17567 } 17568 int callingUserId = UserHandle.getUserId(callingUid); 17569 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17570 if (pi == null) { 17571 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17572 + callingUserId); 17573 } 17574 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17575 throw new SecurityException("Calling uid " + callingUid 17576 + " does not own package " + pkg); 17577 } 17578 } 17579 17580 @Override 17581 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17582 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17583 } 17584 17585 private Intent getHomeIntent() { 17586 Intent intent = new Intent(Intent.ACTION_MAIN); 17587 intent.addCategory(Intent.CATEGORY_HOME); 17588 return intent; 17589 } 17590 17591 private IntentFilter getHomeFilter() { 17592 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17593 filter.addCategory(Intent.CATEGORY_HOME); 17594 filter.addCategory(Intent.CATEGORY_DEFAULT); 17595 return filter; 17596 } 17597 17598 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17599 int userId) { 17600 Intent intent = getHomeIntent(); 17601 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17602 PackageManager.GET_META_DATA, userId); 17603 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17604 true, false, false, userId); 17605 17606 allHomeCandidates.clear(); 17607 if (list != null) { 17608 for (ResolveInfo ri : list) { 17609 allHomeCandidates.add(ri); 17610 } 17611 } 17612 return (preferred == null || preferred.activityInfo == null) 17613 ? null 17614 : new ComponentName(preferred.activityInfo.packageName, 17615 preferred.activityInfo.name); 17616 } 17617 17618 @Override 17619 public void setHomeActivity(ComponentName comp, int userId) { 17620 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17621 getHomeActivitiesAsUser(homeActivities, userId); 17622 17623 boolean found = false; 17624 17625 final int size = homeActivities.size(); 17626 final ComponentName[] set = new ComponentName[size]; 17627 for (int i = 0; i < size; i++) { 17628 final ResolveInfo candidate = homeActivities.get(i); 17629 final ActivityInfo info = candidate.activityInfo; 17630 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17631 set[i] = activityName; 17632 if (!found && activityName.equals(comp)) { 17633 found = true; 17634 } 17635 } 17636 if (!found) { 17637 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17638 + userId); 17639 } 17640 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17641 set, comp, userId); 17642 } 17643 17644 private @Nullable String getSetupWizardPackageName() { 17645 final Intent intent = new Intent(Intent.ACTION_MAIN); 17646 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17647 17648 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17649 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17650 | MATCH_DISABLED_COMPONENTS, 17651 UserHandle.myUserId()); 17652 if (matches.size() == 1) { 17653 return matches.get(0).getComponentInfo().packageName; 17654 } else { 17655 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17656 + ": matches=" + matches); 17657 return null; 17658 } 17659 } 17660 17661 @Override 17662 public void setApplicationEnabledSetting(String appPackageName, 17663 int newState, int flags, int userId, String callingPackage) { 17664 if (!sUserManager.exists(userId)) return; 17665 if (callingPackage == null) { 17666 callingPackage = Integer.toString(Binder.getCallingUid()); 17667 } 17668 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17669 } 17670 17671 @Override 17672 public void setComponentEnabledSetting(ComponentName componentName, 17673 int newState, int flags, int userId) { 17674 if (!sUserManager.exists(userId)) return; 17675 setEnabledSetting(componentName.getPackageName(), 17676 componentName.getClassName(), newState, flags, userId, null); 17677 } 17678 17679 private void setEnabledSetting(final String packageName, String className, int newState, 17680 final int flags, int userId, String callingPackage) { 17681 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17682 || newState == COMPONENT_ENABLED_STATE_ENABLED 17683 || newState == COMPONENT_ENABLED_STATE_DISABLED 17684 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17685 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17686 throw new IllegalArgumentException("Invalid new component state: " 17687 + newState); 17688 } 17689 PackageSetting pkgSetting; 17690 final int uid = Binder.getCallingUid(); 17691 final int permission; 17692 if (uid == Process.SYSTEM_UID) { 17693 permission = PackageManager.PERMISSION_GRANTED; 17694 } else { 17695 permission = mContext.checkCallingOrSelfPermission( 17696 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17697 } 17698 enforceCrossUserPermission(uid, userId, 17699 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17700 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17701 boolean sendNow = false; 17702 boolean isApp = (className == null); 17703 String componentName = isApp ? packageName : className; 17704 int packageUid = -1; 17705 ArrayList<String> components; 17706 17707 // writer 17708 synchronized (mPackages) { 17709 pkgSetting = mSettings.mPackages.get(packageName); 17710 if (pkgSetting == null) { 17711 if (className == null) { 17712 throw new IllegalArgumentException("Unknown package: " + packageName); 17713 } 17714 throw new IllegalArgumentException( 17715 "Unknown component: " + packageName + "/" + className); 17716 } 17717 } 17718 17719 // Limit who can change which apps 17720 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17721 // Don't allow apps that don't have permission to modify other apps 17722 if (!allowedByPermission) { 17723 throw new SecurityException( 17724 "Permission Denial: attempt to change component state from pid=" 17725 + Binder.getCallingPid() 17726 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17727 } 17728 // Don't allow changing profile and device owners. Calling into DPMS, so no locking. 17729 final DevicePolicyManagerInternal dpmi = LocalServices 17730 .getService(DevicePolicyManagerInternal.class); 17731 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 17732 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17733 } 17734 } 17735 17736 synchronized (mPackages) { 17737 if (uid == Process.SHELL_UID) { 17738 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17739 int oldState = pkgSetting.getEnabled(userId); 17740 if (className == null 17741 && 17742 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17743 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17744 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17745 && 17746 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17747 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17748 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17749 // ok 17750 } else { 17751 throw new SecurityException( 17752 "Shell cannot change component state for " + packageName + "/" 17753 + className + " to " + newState); 17754 } 17755 } 17756 if (className == null) { 17757 // We're dealing with an application/package level state change 17758 if (pkgSetting.getEnabled(userId) == newState) { 17759 // Nothing to do 17760 return; 17761 } 17762 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17763 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17764 // Don't care about who enables an app. 17765 callingPackage = null; 17766 } 17767 pkgSetting.setEnabled(newState, userId, callingPackage); 17768 // pkgSetting.pkg.mSetEnabled = newState; 17769 } else { 17770 // We're dealing with a component level state change 17771 // First, verify that this is a valid class name. 17772 PackageParser.Package pkg = pkgSetting.pkg; 17773 if (pkg == null || !pkg.hasComponentClassName(className)) { 17774 if (pkg != null && 17775 pkg.applicationInfo.targetSdkVersion >= 17776 Build.VERSION_CODES.JELLY_BEAN) { 17777 throw new IllegalArgumentException("Component class " + className 17778 + " does not exist in " + packageName); 17779 } else { 17780 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17781 + className + " does not exist in " + packageName); 17782 } 17783 } 17784 switch (newState) { 17785 case COMPONENT_ENABLED_STATE_ENABLED: 17786 if (!pkgSetting.enableComponentLPw(className, userId)) { 17787 return; 17788 } 17789 break; 17790 case COMPONENT_ENABLED_STATE_DISABLED: 17791 if (!pkgSetting.disableComponentLPw(className, userId)) { 17792 return; 17793 } 17794 break; 17795 case COMPONENT_ENABLED_STATE_DEFAULT: 17796 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17797 return; 17798 } 17799 break; 17800 default: 17801 Slog.e(TAG, "Invalid new component state: " + newState); 17802 return; 17803 } 17804 } 17805 scheduleWritePackageRestrictionsLocked(userId); 17806 components = mPendingBroadcasts.get(userId, packageName); 17807 final boolean newPackage = components == null; 17808 if (newPackage) { 17809 components = new ArrayList<String>(); 17810 } 17811 if (!components.contains(componentName)) { 17812 components.add(componentName); 17813 } 17814 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17815 sendNow = true; 17816 // Purge entry from pending broadcast list if another one exists already 17817 // since we are sending one right away. 17818 mPendingBroadcasts.remove(userId, packageName); 17819 } else { 17820 if (newPackage) { 17821 mPendingBroadcasts.put(userId, packageName, components); 17822 } 17823 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17824 // Schedule a message 17825 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17826 } 17827 } 17828 } 17829 17830 long callingId = Binder.clearCallingIdentity(); 17831 try { 17832 if (sendNow) { 17833 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17834 sendPackageChangedBroadcast(packageName, 17835 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17836 } 17837 } finally { 17838 Binder.restoreCallingIdentity(callingId); 17839 } 17840 } 17841 17842 @Override 17843 public void flushPackageRestrictionsAsUser(int userId) { 17844 if (!sUserManager.exists(userId)) { 17845 return; 17846 } 17847 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17848 false /* checkShell */, "flushPackageRestrictions"); 17849 synchronized (mPackages) { 17850 mSettings.writePackageRestrictionsLPr(userId); 17851 mDirtyUsers.remove(userId); 17852 if (mDirtyUsers.isEmpty()) { 17853 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17854 } 17855 } 17856 } 17857 17858 private void sendPackageChangedBroadcast(String packageName, 17859 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17860 if (DEBUG_INSTALL) 17861 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17862 + componentNames); 17863 Bundle extras = new Bundle(4); 17864 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17865 String nameList[] = new String[componentNames.size()]; 17866 componentNames.toArray(nameList); 17867 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17868 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17869 extras.putInt(Intent.EXTRA_UID, packageUid); 17870 // If this is not reporting a change of the overall package, then only send it 17871 // to registered receivers. We don't want to launch a swath of apps for every 17872 // little component state change. 17873 final int flags = !componentNames.contains(packageName) 17874 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17875 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17876 new int[] {UserHandle.getUserId(packageUid)}); 17877 } 17878 17879 @Override 17880 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17881 if (!sUserManager.exists(userId)) return; 17882 final int uid = Binder.getCallingUid(); 17883 final int permission = mContext.checkCallingOrSelfPermission( 17884 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17885 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17886 enforceCrossUserPermission(uid, userId, 17887 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17888 // writer 17889 synchronized (mPackages) { 17890 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17891 allowedByPermission, uid, userId)) { 17892 scheduleWritePackageRestrictionsLocked(userId); 17893 } 17894 } 17895 } 17896 17897 @Override 17898 public String getInstallerPackageName(String packageName) { 17899 // reader 17900 synchronized (mPackages) { 17901 return mSettings.getInstallerPackageNameLPr(packageName); 17902 } 17903 } 17904 17905 public boolean isOrphaned(String packageName) { 17906 // reader 17907 synchronized (mPackages) { 17908 return mSettings.isOrphaned(packageName); 17909 } 17910 } 17911 17912 @Override 17913 public int getApplicationEnabledSetting(String packageName, int userId) { 17914 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17915 int uid = Binder.getCallingUid(); 17916 enforceCrossUserPermission(uid, userId, 17917 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17918 // reader 17919 synchronized (mPackages) { 17920 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17921 } 17922 } 17923 17924 @Override 17925 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17926 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17927 int uid = Binder.getCallingUid(); 17928 enforceCrossUserPermission(uid, userId, 17929 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17930 // reader 17931 synchronized (mPackages) { 17932 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17933 } 17934 } 17935 17936 @Override 17937 public void enterSafeMode() { 17938 enforceSystemOrRoot("Only the system can request entering safe mode"); 17939 17940 if (!mSystemReady) { 17941 mSafeMode = true; 17942 } 17943 } 17944 17945 @Override 17946 public void systemReady() { 17947 mSystemReady = true; 17948 17949 // Read the compatibilty setting when the system is ready. 17950 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17951 mContext.getContentResolver(), 17952 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17953 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17954 if (DEBUG_SETTINGS) { 17955 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17956 } 17957 17958 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17959 17960 synchronized (mPackages) { 17961 // Verify that all of the preferred activity components actually 17962 // exist. It is possible for applications to be updated and at 17963 // that point remove a previously declared activity component that 17964 // had been set as a preferred activity. We try to clean this up 17965 // the next time we encounter that preferred activity, but it is 17966 // possible for the user flow to never be able to return to that 17967 // situation so here we do a sanity check to make sure we haven't 17968 // left any junk around. 17969 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17970 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17971 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17972 removed.clear(); 17973 for (PreferredActivity pa : pir.filterSet()) { 17974 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17975 removed.add(pa); 17976 } 17977 } 17978 if (removed.size() > 0) { 17979 for (int r=0; r<removed.size(); r++) { 17980 PreferredActivity pa = removed.get(r); 17981 Slog.w(TAG, "Removing dangling preferred activity: " 17982 + pa.mPref.mComponent); 17983 pir.removeFilter(pa); 17984 } 17985 mSettings.writePackageRestrictionsLPr( 17986 mSettings.mPreferredActivities.keyAt(i)); 17987 } 17988 } 17989 17990 for (int userId : UserManagerService.getInstance().getUserIds()) { 17991 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17992 grantPermissionsUserIds = ArrayUtils.appendInt( 17993 grantPermissionsUserIds, userId); 17994 } 17995 } 17996 } 17997 sUserManager.systemReady(); 17998 17999 // If we upgraded grant all default permissions before kicking off. 18000 for (int userId : grantPermissionsUserIds) { 18001 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18002 } 18003 18004 // Kick off any messages waiting for system ready 18005 if (mPostSystemReadyMessages != null) { 18006 for (Message msg : mPostSystemReadyMessages) { 18007 msg.sendToTarget(); 18008 } 18009 mPostSystemReadyMessages = null; 18010 } 18011 18012 // Watch for external volumes that come and go over time 18013 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18014 storage.registerListener(mStorageListener); 18015 18016 mInstallerService.systemReady(); 18017 mPackageDexOptimizer.systemReady(); 18018 18019 MountServiceInternal mountServiceInternal = LocalServices.getService( 18020 MountServiceInternal.class); 18021 mountServiceInternal.addExternalStoragePolicy( 18022 new MountServiceInternal.ExternalStorageMountPolicy() { 18023 @Override 18024 public int getMountMode(int uid, String packageName) { 18025 if (Process.isIsolated(uid)) { 18026 return Zygote.MOUNT_EXTERNAL_NONE; 18027 } 18028 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18029 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18030 } 18031 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18032 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18033 } 18034 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18035 return Zygote.MOUNT_EXTERNAL_READ; 18036 } 18037 return Zygote.MOUNT_EXTERNAL_WRITE; 18038 } 18039 18040 @Override 18041 public boolean hasExternalStorage(int uid, String packageName) { 18042 return true; 18043 } 18044 }); 18045 18046 // Now that we're mostly running, clean up stale users and apps 18047 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18048 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18049 } 18050 18051 @Override 18052 public boolean isSafeMode() { 18053 return mSafeMode; 18054 } 18055 18056 @Override 18057 public boolean hasSystemUidErrors() { 18058 return mHasSystemUidErrors; 18059 } 18060 18061 static String arrayToString(int[] array) { 18062 StringBuffer buf = new StringBuffer(128); 18063 buf.append('['); 18064 if (array != null) { 18065 for (int i=0; i<array.length; i++) { 18066 if (i > 0) buf.append(", "); 18067 buf.append(array[i]); 18068 } 18069 } 18070 buf.append(']'); 18071 return buf.toString(); 18072 } 18073 18074 static class DumpState { 18075 public static final int DUMP_LIBS = 1 << 0; 18076 public static final int DUMP_FEATURES = 1 << 1; 18077 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18078 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18079 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18080 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18081 public static final int DUMP_PERMISSIONS = 1 << 6; 18082 public static final int DUMP_PACKAGES = 1 << 7; 18083 public static final int DUMP_SHARED_USERS = 1 << 8; 18084 public static final int DUMP_MESSAGES = 1 << 9; 18085 public static final int DUMP_PROVIDERS = 1 << 10; 18086 public static final int DUMP_VERIFIERS = 1 << 11; 18087 public static final int DUMP_PREFERRED = 1 << 12; 18088 public static final int DUMP_PREFERRED_XML = 1 << 13; 18089 public static final int DUMP_KEYSETS = 1 << 14; 18090 public static final int DUMP_VERSION = 1 << 15; 18091 public static final int DUMP_INSTALLS = 1 << 16; 18092 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18093 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18094 public static final int DUMP_FROZEN = 1 << 19; 18095 public static final int DUMP_DEXOPT = 1 << 20; 18096 18097 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18098 18099 private int mTypes; 18100 18101 private int mOptions; 18102 18103 private boolean mTitlePrinted; 18104 18105 private SharedUserSetting mSharedUser; 18106 18107 public boolean isDumping(int type) { 18108 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18109 return true; 18110 } 18111 18112 return (mTypes & type) != 0; 18113 } 18114 18115 public void setDump(int type) { 18116 mTypes |= type; 18117 } 18118 18119 public boolean isOptionEnabled(int option) { 18120 return (mOptions & option) != 0; 18121 } 18122 18123 public void setOptionEnabled(int option) { 18124 mOptions |= option; 18125 } 18126 18127 public boolean onTitlePrinted() { 18128 final boolean printed = mTitlePrinted; 18129 mTitlePrinted = true; 18130 return printed; 18131 } 18132 18133 public boolean getTitlePrinted() { 18134 return mTitlePrinted; 18135 } 18136 18137 public void setTitlePrinted(boolean enabled) { 18138 mTitlePrinted = enabled; 18139 } 18140 18141 public SharedUserSetting getSharedUser() { 18142 return mSharedUser; 18143 } 18144 18145 public void setSharedUser(SharedUserSetting user) { 18146 mSharedUser = user; 18147 } 18148 } 18149 18150 @Override 18151 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18152 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18153 (new PackageManagerShellCommand(this)).exec( 18154 this, in, out, err, args, resultReceiver); 18155 } 18156 18157 @Override 18158 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18159 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18160 != PackageManager.PERMISSION_GRANTED) { 18161 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18162 + Binder.getCallingPid() 18163 + ", uid=" + Binder.getCallingUid() 18164 + " without permission " 18165 + android.Manifest.permission.DUMP); 18166 return; 18167 } 18168 18169 DumpState dumpState = new DumpState(); 18170 boolean fullPreferred = false; 18171 boolean checkin = false; 18172 18173 String packageName = null; 18174 ArraySet<String> permissionNames = null; 18175 18176 int opti = 0; 18177 while (opti < args.length) { 18178 String opt = args[opti]; 18179 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18180 break; 18181 } 18182 opti++; 18183 18184 if ("-a".equals(opt)) { 18185 // Right now we only know how to print all. 18186 } else if ("-h".equals(opt)) { 18187 pw.println("Package manager dump options:"); 18188 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18189 pw.println(" --checkin: dump for a checkin"); 18190 pw.println(" -f: print details of intent filters"); 18191 pw.println(" -h: print this help"); 18192 pw.println(" cmd may be one of:"); 18193 pw.println(" l[ibraries]: list known shared libraries"); 18194 pw.println(" f[eatures]: list device features"); 18195 pw.println(" k[eysets]: print known keysets"); 18196 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18197 pw.println(" perm[issions]: dump permissions"); 18198 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18199 pw.println(" pref[erred]: print preferred package settings"); 18200 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18201 pw.println(" prov[iders]: dump content providers"); 18202 pw.println(" p[ackages]: dump installed packages"); 18203 pw.println(" s[hared-users]: dump shared user IDs"); 18204 pw.println(" m[essages]: print collected runtime messages"); 18205 pw.println(" v[erifiers]: print package verifier info"); 18206 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18207 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18208 pw.println(" version: print database version info"); 18209 pw.println(" write: write current settings now"); 18210 pw.println(" installs: details about install sessions"); 18211 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18212 pw.println(" dexopt: dump dexopt state"); 18213 pw.println(" <package.name>: info about given package"); 18214 return; 18215 } else if ("--checkin".equals(opt)) { 18216 checkin = true; 18217 } else if ("-f".equals(opt)) { 18218 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18219 } else { 18220 pw.println("Unknown argument: " + opt + "; use -h for help"); 18221 } 18222 } 18223 18224 // Is the caller requesting to dump a particular piece of data? 18225 if (opti < args.length) { 18226 String cmd = args[opti]; 18227 opti++; 18228 // Is this a package name? 18229 if ("android".equals(cmd) || cmd.contains(".")) { 18230 packageName = cmd; 18231 // When dumping a single package, we always dump all of its 18232 // filter information since the amount of data will be reasonable. 18233 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18234 } else if ("check-permission".equals(cmd)) { 18235 if (opti >= args.length) { 18236 pw.println("Error: check-permission missing permission argument"); 18237 return; 18238 } 18239 String perm = args[opti]; 18240 opti++; 18241 if (opti >= args.length) { 18242 pw.println("Error: check-permission missing package argument"); 18243 return; 18244 } 18245 String pkg = args[opti]; 18246 opti++; 18247 int user = UserHandle.getUserId(Binder.getCallingUid()); 18248 if (opti < args.length) { 18249 try { 18250 user = Integer.parseInt(args[opti]); 18251 } catch (NumberFormatException e) { 18252 pw.println("Error: check-permission user argument is not a number: " 18253 + args[opti]); 18254 return; 18255 } 18256 } 18257 pw.println(checkPermission(perm, pkg, user)); 18258 return; 18259 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18260 dumpState.setDump(DumpState.DUMP_LIBS); 18261 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18262 dumpState.setDump(DumpState.DUMP_FEATURES); 18263 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18264 if (opti >= args.length) { 18265 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18266 | DumpState.DUMP_SERVICE_RESOLVERS 18267 | DumpState.DUMP_RECEIVER_RESOLVERS 18268 | DumpState.DUMP_CONTENT_RESOLVERS); 18269 } else { 18270 while (opti < args.length) { 18271 String name = args[opti]; 18272 if ("a".equals(name) || "activity".equals(name)) { 18273 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18274 } else if ("s".equals(name) || "service".equals(name)) { 18275 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18276 } else if ("r".equals(name) || "receiver".equals(name)) { 18277 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18278 } else if ("c".equals(name) || "content".equals(name)) { 18279 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18280 } else { 18281 pw.println("Error: unknown resolver table type: " + name); 18282 return; 18283 } 18284 opti++; 18285 } 18286 } 18287 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18288 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18289 } else if ("permission".equals(cmd)) { 18290 if (opti >= args.length) { 18291 pw.println("Error: permission requires permission name"); 18292 return; 18293 } 18294 permissionNames = new ArraySet<>(); 18295 while (opti < args.length) { 18296 permissionNames.add(args[opti]); 18297 opti++; 18298 } 18299 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18300 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18301 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18302 dumpState.setDump(DumpState.DUMP_PREFERRED); 18303 } else if ("preferred-xml".equals(cmd)) { 18304 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18305 if (opti < args.length && "--full".equals(args[opti])) { 18306 fullPreferred = true; 18307 opti++; 18308 } 18309 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18310 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18311 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18312 dumpState.setDump(DumpState.DUMP_PACKAGES); 18313 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18314 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18315 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18316 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18317 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18318 dumpState.setDump(DumpState.DUMP_MESSAGES); 18319 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18320 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18321 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18322 || "intent-filter-verifiers".equals(cmd)) { 18323 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18324 } else if ("version".equals(cmd)) { 18325 dumpState.setDump(DumpState.DUMP_VERSION); 18326 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18327 dumpState.setDump(DumpState.DUMP_KEYSETS); 18328 } else if ("installs".equals(cmd)) { 18329 dumpState.setDump(DumpState.DUMP_INSTALLS); 18330 } else if ("frozen".equals(cmd)) { 18331 dumpState.setDump(DumpState.DUMP_FROZEN); 18332 } else if ("dexopt".equals(cmd)) { 18333 dumpState.setDump(DumpState.DUMP_DEXOPT); 18334 } else if ("write".equals(cmd)) { 18335 synchronized (mPackages) { 18336 mSettings.writeLPr(); 18337 pw.println("Settings written."); 18338 return; 18339 } 18340 } 18341 } 18342 18343 if (checkin) { 18344 pw.println("vers,1"); 18345 } 18346 18347 // reader 18348 synchronized (mPackages) { 18349 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18350 if (!checkin) { 18351 if (dumpState.onTitlePrinted()) 18352 pw.println(); 18353 pw.println("Database versions:"); 18354 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18355 } 18356 } 18357 18358 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18359 if (!checkin) { 18360 if (dumpState.onTitlePrinted()) 18361 pw.println(); 18362 pw.println("Verifiers:"); 18363 pw.print(" Required: "); 18364 pw.print(mRequiredVerifierPackage); 18365 pw.print(" (uid="); 18366 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18367 UserHandle.USER_SYSTEM)); 18368 pw.println(")"); 18369 } else if (mRequiredVerifierPackage != null) { 18370 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18371 pw.print(","); 18372 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18373 UserHandle.USER_SYSTEM)); 18374 } 18375 } 18376 18377 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18378 packageName == null) { 18379 if (mIntentFilterVerifierComponent != null) { 18380 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18381 if (!checkin) { 18382 if (dumpState.onTitlePrinted()) 18383 pw.println(); 18384 pw.println("Intent Filter Verifier:"); 18385 pw.print(" Using: "); 18386 pw.print(verifierPackageName); 18387 pw.print(" (uid="); 18388 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18389 UserHandle.USER_SYSTEM)); 18390 pw.println(")"); 18391 } else if (verifierPackageName != null) { 18392 pw.print("ifv,"); pw.print(verifierPackageName); 18393 pw.print(","); 18394 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18395 UserHandle.USER_SYSTEM)); 18396 } 18397 } else { 18398 pw.println(); 18399 pw.println("No Intent Filter Verifier available!"); 18400 } 18401 } 18402 18403 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18404 boolean printedHeader = false; 18405 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18406 while (it.hasNext()) { 18407 String name = it.next(); 18408 SharedLibraryEntry ent = mSharedLibraries.get(name); 18409 if (!checkin) { 18410 if (!printedHeader) { 18411 if (dumpState.onTitlePrinted()) 18412 pw.println(); 18413 pw.println("Libraries:"); 18414 printedHeader = true; 18415 } 18416 pw.print(" "); 18417 } else { 18418 pw.print("lib,"); 18419 } 18420 pw.print(name); 18421 if (!checkin) { 18422 pw.print(" -> "); 18423 } 18424 if (ent.path != null) { 18425 if (!checkin) { 18426 pw.print("(jar) "); 18427 pw.print(ent.path); 18428 } else { 18429 pw.print(",jar,"); 18430 pw.print(ent.path); 18431 } 18432 } else { 18433 if (!checkin) { 18434 pw.print("(apk) "); 18435 pw.print(ent.apk); 18436 } else { 18437 pw.print(",apk,"); 18438 pw.print(ent.apk); 18439 } 18440 } 18441 pw.println(); 18442 } 18443 } 18444 18445 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18446 if (dumpState.onTitlePrinted()) 18447 pw.println(); 18448 if (!checkin) { 18449 pw.println("Features:"); 18450 } 18451 18452 for (FeatureInfo feat : mAvailableFeatures.values()) { 18453 if (checkin) { 18454 pw.print("feat,"); 18455 pw.print(feat.name); 18456 pw.print(","); 18457 pw.println(feat.version); 18458 } else { 18459 pw.print(" "); 18460 pw.print(feat.name); 18461 if (feat.version > 0) { 18462 pw.print(" version="); 18463 pw.print(feat.version); 18464 } 18465 pw.println(); 18466 } 18467 } 18468 } 18469 18470 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18471 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18472 : "Activity Resolver Table:", " ", packageName, 18473 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18474 dumpState.setTitlePrinted(true); 18475 } 18476 } 18477 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18478 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18479 : "Receiver Resolver Table:", " ", packageName, 18480 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18481 dumpState.setTitlePrinted(true); 18482 } 18483 } 18484 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18485 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18486 : "Service Resolver Table:", " ", packageName, 18487 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18488 dumpState.setTitlePrinted(true); 18489 } 18490 } 18491 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18492 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18493 : "Provider Resolver Table:", " ", packageName, 18494 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18495 dumpState.setTitlePrinted(true); 18496 } 18497 } 18498 18499 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18500 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18501 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18502 int user = mSettings.mPreferredActivities.keyAt(i); 18503 if (pir.dump(pw, 18504 dumpState.getTitlePrinted() 18505 ? "\nPreferred Activities User " + user + ":" 18506 : "Preferred Activities User " + user + ":", " ", 18507 packageName, true, false)) { 18508 dumpState.setTitlePrinted(true); 18509 } 18510 } 18511 } 18512 18513 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18514 pw.flush(); 18515 FileOutputStream fout = new FileOutputStream(fd); 18516 BufferedOutputStream str = new BufferedOutputStream(fout); 18517 XmlSerializer serializer = new FastXmlSerializer(); 18518 try { 18519 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18520 serializer.startDocument(null, true); 18521 serializer.setFeature( 18522 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18523 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18524 serializer.endDocument(); 18525 serializer.flush(); 18526 } catch (IllegalArgumentException e) { 18527 pw.println("Failed writing: " + e); 18528 } catch (IllegalStateException e) { 18529 pw.println("Failed writing: " + e); 18530 } catch (IOException e) { 18531 pw.println("Failed writing: " + e); 18532 } 18533 } 18534 18535 if (!checkin 18536 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18537 && packageName == null) { 18538 pw.println(); 18539 int count = mSettings.mPackages.size(); 18540 if (count == 0) { 18541 pw.println("No applications!"); 18542 pw.println(); 18543 } else { 18544 final String prefix = " "; 18545 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18546 if (allPackageSettings.size() == 0) { 18547 pw.println("No domain preferred apps!"); 18548 pw.println(); 18549 } else { 18550 pw.println("App verification status:"); 18551 pw.println(); 18552 count = 0; 18553 for (PackageSetting ps : allPackageSettings) { 18554 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18555 if (ivi == null || ivi.getPackageName() == null) continue; 18556 pw.println(prefix + "Package: " + ivi.getPackageName()); 18557 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18558 pw.println(prefix + "Status: " + ivi.getStatusString()); 18559 pw.println(); 18560 count++; 18561 } 18562 if (count == 0) { 18563 pw.println(prefix + "No app verification established."); 18564 pw.println(); 18565 } 18566 for (int userId : sUserManager.getUserIds()) { 18567 pw.println("App linkages for user " + userId + ":"); 18568 pw.println(); 18569 count = 0; 18570 for (PackageSetting ps : allPackageSettings) { 18571 final long status = ps.getDomainVerificationStatusForUser(userId); 18572 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18573 continue; 18574 } 18575 pw.println(prefix + "Package: " + ps.name); 18576 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18577 String statusStr = IntentFilterVerificationInfo. 18578 getStatusStringFromValue(status); 18579 pw.println(prefix + "Status: " + statusStr); 18580 pw.println(); 18581 count++; 18582 } 18583 if (count == 0) { 18584 pw.println(prefix + "No configured app linkages."); 18585 pw.println(); 18586 } 18587 } 18588 } 18589 } 18590 } 18591 18592 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18593 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18594 if (packageName == null && permissionNames == null) { 18595 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18596 if (iperm == 0) { 18597 if (dumpState.onTitlePrinted()) 18598 pw.println(); 18599 pw.println("AppOp Permissions:"); 18600 } 18601 pw.print(" AppOp Permission "); 18602 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18603 pw.println(":"); 18604 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18605 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18606 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18607 } 18608 } 18609 } 18610 } 18611 18612 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18613 boolean printedSomething = false; 18614 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18615 if (packageName != null && !packageName.equals(p.info.packageName)) { 18616 continue; 18617 } 18618 if (!printedSomething) { 18619 if (dumpState.onTitlePrinted()) 18620 pw.println(); 18621 pw.println("Registered ContentProviders:"); 18622 printedSomething = true; 18623 } 18624 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18625 pw.print(" "); pw.println(p.toString()); 18626 } 18627 printedSomething = false; 18628 for (Map.Entry<String, PackageParser.Provider> entry : 18629 mProvidersByAuthority.entrySet()) { 18630 PackageParser.Provider p = entry.getValue(); 18631 if (packageName != null && !packageName.equals(p.info.packageName)) { 18632 continue; 18633 } 18634 if (!printedSomething) { 18635 if (dumpState.onTitlePrinted()) 18636 pw.println(); 18637 pw.println("ContentProvider Authorities:"); 18638 printedSomething = true; 18639 } 18640 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18641 pw.print(" "); pw.println(p.toString()); 18642 if (p.info != null && p.info.applicationInfo != null) { 18643 final String appInfo = p.info.applicationInfo.toString(); 18644 pw.print(" applicationInfo="); pw.println(appInfo); 18645 } 18646 } 18647 } 18648 18649 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18650 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18651 } 18652 18653 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18654 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18655 } 18656 18657 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18658 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18659 } 18660 18661 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18662 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18663 } 18664 18665 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18666 // XXX should handle packageName != null by dumping only install data that 18667 // the given package is involved with. 18668 if (dumpState.onTitlePrinted()) pw.println(); 18669 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18670 } 18671 18672 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18673 // XXX should handle packageName != null by dumping only install data that 18674 // the given package is involved with. 18675 if (dumpState.onTitlePrinted()) pw.println(); 18676 18677 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18678 ipw.println(); 18679 ipw.println("Frozen packages:"); 18680 ipw.increaseIndent(); 18681 if (mFrozenPackages.size() == 0) { 18682 ipw.println("(none)"); 18683 } else { 18684 for (int i = 0; i < mFrozenPackages.size(); i++) { 18685 ipw.println(mFrozenPackages.valueAt(i)); 18686 } 18687 } 18688 ipw.decreaseIndent(); 18689 } 18690 18691 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18692 if (dumpState.onTitlePrinted()) pw.println(); 18693 dumpDexoptStateLPr(pw, packageName); 18694 } 18695 18696 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18697 if (dumpState.onTitlePrinted()) pw.println(); 18698 mSettings.dumpReadMessagesLPr(pw, dumpState); 18699 18700 pw.println(); 18701 pw.println("Package warning messages:"); 18702 BufferedReader in = null; 18703 String line = null; 18704 try { 18705 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18706 while ((line = in.readLine()) != null) { 18707 if (line.contains("ignored: updated version")) continue; 18708 pw.println(line); 18709 } 18710 } catch (IOException ignored) { 18711 } finally { 18712 IoUtils.closeQuietly(in); 18713 } 18714 } 18715 18716 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18717 BufferedReader in = null; 18718 String line = null; 18719 try { 18720 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18721 while ((line = in.readLine()) != null) { 18722 if (line.contains("ignored: updated version")) continue; 18723 pw.print("msg,"); 18724 pw.println(line); 18725 } 18726 } catch (IOException ignored) { 18727 } finally { 18728 IoUtils.closeQuietly(in); 18729 } 18730 } 18731 } 18732 } 18733 18734 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18735 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18736 ipw.println(); 18737 ipw.println("Dexopt state:"); 18738 ipw.increaseIndent(); 18739 Collection<PackageParser.Package> packages = null; 18740 if (packageName != null) { 18741 PackageParser.Package targetPackage = mPackages.get(packageName); 18742 if (targetPackage != null) { 18743 packages = Collections.singletonList(targetPackage); 18744 } else { 18745 ipw.println("Unable to find package: " + packageName); 18746 return; 18747 } 18748 } else { 18749 packages = mPackages.values(); 18750 } 18751 18752 for (PackageParser.Package pkg : packages) { 18753 ipw.println("[" + pkg.packageName + "]"); 18754 ipw.increaseIndent(); 18755 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18756 ipw.decreaseIndent(); 18757 } 18758 } 18759 18760 private String dumpDomainString(String packageName) { 18761 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18762 .getList(); 18763 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18764 18765 ArraySet<String> result = new ArraySet<>(); 18766 if (iviList.size() > 0) { 18767 for (IntentFilterVerificationInfo ivi : iviList) { 18768 for (String host : ivi.getDomains()) { 18769 result.add(host); 18770 } 18771 } 18772 } 18773 if (filters != null && filters.size() > 0) { 18774 for (IntentFilter filter : filters) { 18775 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18776 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18777 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18778 result.addAll(filter.getHostsList()); 18779 } 18780 } 18781 } 18782 18783 StringBuilder sb = new StringBuilder(result.size() * 16); 18784 for (String domain : result) { 18785 if (sb.length() > 0) sb.append(" "); 18786 sb.append(domain); 18787 } 18788 return sb.toString(); 18789 } 18790 18791 // ------- apps on sdcard specific code ------- 18792 static final boolean DEBUG_SD_INSTALL = false; 18793 18794 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18795 18796 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18797 18798 private boolean mMediaMounted = false; 18799 18800 static String getEncryptKey() { 18801 try { 18802 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18803 SD_ENCRYPTION_KEYSTORE_NAME); 18804 if (sdEncKey == null) { 18805 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18806 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18807 if (sdEncKey == null) { 18808 Slog.e(TAG, "Failed to create encryption keys"); 18809 return null; 18810 } 18811 } 18812 return sdEncKey; 18813 } catch (NoSuchAlgorithmException nsae) { 18814 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18815 return null; 18816 } catch (IOException ioe) { 18817 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18818 return null; 18819 } 18820 } 18821 18822 /* 18823 * Update media status on PackageManager. 18824 */ 18825 @Override 18826 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18827 int callingUid = Binder.getCallingUid(); 18828 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18829 throw new SecurityException("Media status can only be updated by the system"); 18830 } 18831 // reader; this apparently protects mMediaMounted, but should probably 18832 // be a different lock in that case. 18833 synchronized (mPackages) { 18834 Log.i(TAG, "Updating external media status from " 18835 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18836 + (mediaStatus ? "mounted" : "unmounted")); 18837 if (DEBUG_SD_INSTALL) 18838 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18839 + ", mMediaMounted=" + mMediaMounted); 18840 if (mediaStatus == mMediaMounted) { 18841 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18842 : 0, -1); 18843 mHandler.sendMessage(msg); 18844 return; 18845 } 18846 mMediaMounted = mediaStatus; 18847 } 18848 // Queue up an async operation since the package installation may take a 18849 // little while. 18850 mHandler.post(new Runnable() { 18851 public void run() { 18852 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18853 } 18854 }); 18855 } 18856 18857 /** 18858 * Called by MountService when the initial ASECs to scan are available. 18859 * Should block until all the ASEC containers are finished being scanned. 18860 */ 18861 public void scanAvailableAsecs() { 18862 updateExternalMediaStatusInner(true, false, false); 18863 } 18864 18865 /* 18866 * Collect information of applications on external media, map them against 18867 * existing containers and update information based on current mount status. 18868 * Please note that we always have to report status if reportStatus has been 18869 * set to true especially when unloading packages. 18870 */ 18871 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18872 boolean externalStorage) { 18873 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18874 int[] uidArr = EmptyArray.INT; 18875 18876 final String[] list = PackageHelper.getSecureContainerList(); 18877 if (ArrayUtils.isEmpty(list)) { 18878 Log.i(TAG, "No secure containers found"); 18879 } else { 18880 // Process list of secure containers and categorize them 18881 // as active or stale based on their package internal state. 18882 18883 // reader 18884 synchronized (mPackages) { 18885 for (String cid : list) { 18886 // Leave stages untouched for now; installer service owns them 18887 if (PackageInstallerService.isStageName(cid)) continue; 18888 18889 if (DEBUG_SD_INSTALL) 18890 Log.i(TAG, "Processing container " + cid); 18891 String pkgName = getAsecPackageName(cid); 18892 if (pkgName == null) { 18893 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18894 continue; 18895 } 18896 if (DEBUG_SD_INSTALL) 18897 Log.i(TAG, "Looking for pkg : " + pkgName); 18898 18899 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18900 if (ps == null) { 18901 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18902 continue; 18903 } 18904 18905 /* 18906 * Skip packages that are not external if we're unmounting 18907 * external storage. 18908 */ 18909 if (externalStorage && !isMounted && !isExternal(ps)) { 18910 continue; 18911 } 18912 18913 final AsecInstallArgs args = new AsecInstallArgs(cid, 18914 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18915 // The package status is changed only if the code path 18916 // matches between settings and the container id. 18917 if (ps.codePathString != null 18918 && ps.codePathString.startsWith(args.getCodePath())) { 18919 if (DEBUG_SD_INSTALL) { 18920 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18921 + " at code path: " + ps.codePathString); 18922 } 18923 18924 // We do have a valid package installed on sdcard 18925 processCids.put(args, ps.codePathString); 18926 final int uid = ps.appId; 18927 if (uid != -1) { 18928 uidArr = ArrayUtils.appendInt(uidArr, uid); 18929 } 18930 } else { 18931 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18932 + ps.codePathString); 18933 } 18934 } 18935 } 18936 18937 Arrays.sort(uidArr); 18938 } 18939 18940 // Process packages with valid entries. 18941 if (isMounted) { 18942 if (DEBUG_SD_INSTALL) 18943 Log.i(TAG, "Loading packages"); 18944 loadMediaPackages(processCids, uidArr, externalStorage); 18945 startCleaningPackages(); 18946 mInstallerService.onSecureContainersAvailable(); 18947 } else { 18948 if (DEBUG_SD_INSTALL) 18949 Log.i(TAG, "Unloading packages"); 18950 unloadMediaPackages(processCids, uidArr, reportStatus); 18951 } 18952 } 18953 18954 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18955 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18956 final int size = infos.size(); 18957 final String[] packageNames = new String[size]; 18958 final int[] packageUids = new int[size]; 18959 for (int i = 0; i < size; i++) { 18960 final ApplicationInfo info = infos.get(i); 18961 packageNames[i] = info.packageName; 18962 packageUids[i] = info.uid; 18963 } 18964 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18965 finishedReceiver); 18966 } 18967 18968 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18969 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18970 sendResourcesChangedBroadcast(mediaStatus, replacing, 18971 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18972 } 18973 18974 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18975 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18976 int size = pkgList.length; 18977 if (size > 0) { 18978 // Send broadcasts here 18979 Bundle extras = new Bundle(); 18980 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18981 if (uidArr != null) { 18982 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18983 } 18984 if (replacing) { 18985 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18986 } 18987 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18988 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18989 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18990 } 18991 } 18992 18993 /* 18994 * Look at potentially valid container ids from processCids If package 18995 * information doesn't match the one on record or package scanning fails, 18996 * the cid is added to list of removeCids. We currently don't delete stale 18997 * containers. 18998 */ 18999 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19000 boolean externalStorage) { 19001 ArrayList<String> pkgList = new ArrayList<String>(); 19002 Set<AsecInstallArgs> keys = processCids.keySet(); 19003 19004 for (AsecInstallArgs args : keys) { 19005 String codePath = processCids.get(args); 19006 if (DEBUG_SD_INSTALL) 19007 Log.i(TAG, "Loading container : " + args.cid); 19008 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19009 try { 19010 // Make sure there are no container errors first. 19011 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19012 Slog.e(TAG, "Failed to mount cid : " + args.cid 19013 + " when installing from sdcard"); 19014 continue; 19015 } 19016 // Check code path here. 19017 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19018 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19019 + " does not match one in settings " + codePath); 19020 continue; 19021 } 19022 // Parse package 19023 int parseFlags = mDefParseFlags; 19024 if (args.isExternalAsec()) { 19025 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19026 } 19027 if (args.isFwdLocked()) { 19028 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19029 } 19030 19031 synchronized (mInstallLock) { 19032 PackageParser.Package pkg = null; 19033 try { 19034 // Sadly we don't know the package name yet to freeze it 19035 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19036 SCAN_IGNORE_FROZEN, 0, null); 19037 } catch (PackageManagerException e) { 19038 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19039 } 19040 // Scan the package 19041 if (pkg != null) { 19042 /* 19043 * TODO why is the lock being held? doPostInstall is 19044 * called in other places without the lock. This needs 19045 * to be straightened out. 19046 */ 19047 // writer 19048 synchronized (mPackages) { 19049 retCode = PackageManager.INSTALL_SUCCEEDED; 19050 pkgList.add(pkg.packageName); 19051 // Post process args 19052 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19053 pkg.applicationInfo.uid); 19054 } 19055 } else { 19056 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19057 } 19058 } 19059 19060 } finally { 19061 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19062 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19063 } 19064 } 19065 } 19066 // writer 19067 synchronized (mPackages) { 19068 // If the platform SDK has changed since the last time we booted, 19069 // we need to re-grant app permission to catch any new ones that 19070 // appear. This is really a hack, and means that apps can in some 19071 // cases get permissions that the user didn't initially explicitly 19072 // allow... it would be nice to have some better way to handle 19073 // this situation. 19074 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19075 : mSettings.getInternalVersion(); 19076 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19077 : StorageManager.UUID_PRIVATE_INTERNAL; 19078 19079 int updateFlags = UPDATE_PERMISSIONS_ALL; 19080 if (ver.sdkVersion != mSdkVersion) { 19081 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19082 + mSdkVersion + "; regranting permissions for external"); 19083 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19084 } 19085 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19086 19087 // Yay, everything is now upgraded 19088 ver.forceCurrent(); 19089 19090 // can downgrade to reader 19091 // Persist settings 19092 mSettings.writeLPr(); 19093 } 19094 // Send a broadcast to let everyone know we are done processing 19095 if (pkgList.size() > 0) { 19096 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19097 } 19098 } 19099 19100 /* 19101 * Utility method to unload a list of specified containers 19102 */ 19103 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19104 // Just unmount all valid containers. 19105 for (AsecInstallArgs arg : cidArgs) { 19106 synchronized (mInstallLock) { 19107 arg.doPostDeleteLI(false); 19108 } 19109 } 19110 } 19111 19112 /* 19113 * Unload packages mounted on external media. This involves deleting package 19114 * data from internal structures, sending broadcasts about disabled packages, 19115 * gc'ing to free up references, unmounting all secure containers 19116 * corresponding to packages on external media, and posting a 19117 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19118 * that we always have to post this message if status has been requested no 19119 * matter what. 19120 */ 19121 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19122 final boolean reportStatus) { 19123 if (DEBUG_SD_INSTALL) 19124 Log.i(TAG, "unloading media packages"); 19125 ArrayList<String> pkgList = new ArrayList<String>(); 19126 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19127 final Set<AsecInstallArgs> keys = processCids.keySet(); 19128 for (AsecInstallArgs args : keys) { 19129 String pkgName = args.getPackageName(); 19130 if (DEBUG_SD_INSTALL) 19131 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19132 // Delete package internally 19133 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19134 synchronized (mInstallLock) { 19135 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19136 final boolean res; 19137 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19138 "unloadMediaPackages")) { 19139 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19140 null); 19141 } 19142 if (res) { 19143 pkgList.add(pkgName); 19144 } else { 19145 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19146 failedList.add(args); 19147 } 19148 } 19149 } 19150 19151 // reader 19152 synchronized (mPackages) { 19153 // We didn't update the settings after removing each package; 19154 // write them now for all packages. 19155 mSettings.writeLPr(); 19156 } 19157 19158 // We have to absolutely send UPDATED_MEDIA_STATUS only 19159 // after confirming that all the receivers processed the ordered 19160 // broadcast when packages get disabled, force a gc to clean things up. 19161 // and unload all the containers. 19162 if (pkgList.size() > 0) { 19163 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19164 new IIntentReceiver.Stub() { 19165 public void performReceive(Intent intent, int resultCode, String data, 19166 Bundle extras, boolean ordered, boolean sticky, 19167 int sendingUser) throws RemoteException { 19168 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19169 reportStatus ? 1 : 0, 1, keys); 19170 mHandler.sendMessage(msg); 19171 } 19172 }); 19173 } else { 19174 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19175 keys); 19176 mHandler.sendMessage(msg); 19177 } 19178 } 19179 19180 private void loadPrivatePackages(final VolumeInfo vol) { 19181 mHandler.post(new Runnable() { 19182 @Override 19183 public void run() { 19184 loadPrivatePackagesInner(vol); 19185 } 19186 }); 19187 } 19188 19189 private void loadPrivatePackagesInner(VolumeInfo vol) { 19190 final String volumeUuid = vol.fsUuid; 19191 if (TextUtils.isEmpty(volumeUuid)) { 19192 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19193 return; 19194 } 19195 19196 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19197 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19198 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19199 19200 final VersionInfo ver; 19201 final List<PackageSetting> packages; 19202 synchronized (mPackages) { 19203 ver = mSettings.findOrCreateVersion(volumeUuid); 19204 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19205 } 19206 19207 for (PackageSetting ps : packages) { 19208 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19209 synchronized (mInstallLock) { 19210 final PackageParser.Package pkg; 19211 try { 19212 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19213 loaded.add(pkg.applicationInfo); 19214 19215 } catch (PackageManagerException e) { 19216 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19217 } 19218 19219 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19220 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19221 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19222 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19223 } 19224 } 19225 } 19226 19227 // Reconcile app data for all started/unlocked users 19228 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19229 final UserManager um = mContext.getSystemService(UserManager.class); 19230 UserManagerInternal umInternal = getUserManagerInternal(); 19231 for (UserInfo user : um.getUsers()) { 19232 final int flags; 19233 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19234 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19235 } else if (umInternal.isUserRunning(user.id)) { 19236 flags = StorageManager.FLAG_STORAGE_DE; 19237 } else { 19238 continue; 19239 } 19240 19241 try { 19242 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19243 synchronized (mInstallLock) { 19244 reconcileAppsDataLI(volumeUuid, user.id, flags); 19245 } 19246 } catch (IllegalStateException e) { 19247 // Device was probably ejected, and we'll process that event momentarily 19248 Slog.w(TAG, "Failed to prepare storage: " + e); 19249 } 19250 } 19251 19252 synchronized (mPackages) { 19253 int updateFlags = UPDATE_PERMISSIONS_ALL; 19254 if (ver.sdkVersion != mSdkVersion) { 19255 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19256 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19257 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19258 } 19259 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19260 19261 // Yay, everything is now upgraded 19262 ver.forceCurrent(); 19263 19264 mSettings.writeLPr(); 19265 } 19266 19267 for (PackageFreezer freezer : freezers) { 19268 freezer.close(); 19269 } 19270 19271 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19272 sendResourcesChangedBroadcast(true, false, loaded, null); 19273 } 19274 19275 private void unloadPrivatePackages(final VolumeInfo vol) { 19276 mHandler.post(new Runnable() { 19277 @Override 19278 public void run() { 19279 unloadPrivatePackagesInner(vol); 19280 } 19281 }); 19282 } 19283 19284 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19285 final String volumeUuid = vol.fsUuid; 19286 if (TextUtils.isEmpty(volumeUuid)) { 19287 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19288 return; 19289 } 19290 19291 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19292 synchronized (mInstallLock) { 19293 synchronized (mPackages) { 19294 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19295 for (PackageSetting ps : packages) { 19296 if (ps.pkg == null) continue; 19297 19298 final ApplicationInfo info = ps.pkg.applicationInfo; 19299 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19300 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19301 19302 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19303 "unloadPrivatePackagesInner")) { 19304 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19305 false, null)) { 19306 unloaded.add(info); 19307 } else { 19308 Slog.w(TAG, "Failed to unload " + ps.codePath); 19309 } 19310 } 19311 19312 // Try very hard to release any references to this package 19313 // so we don't risk the system server being killed due to 19314 // open FDs 19315 AttributeCache.instance().removePackage(ps.name); 19316 } 19317 19318 mSettings.writeLPr(); 19319 } 19320 } 19321 19322 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19323 sendResourcesChangedBroadcast(false, false, unloaded, null); 19324 19325 // Try very hard to release any references to this path so we don't risk 19326 // the system server being killed due to open FDs 19327 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19328 19329 for (int i = 0; i < 3; i++) { 19330 System.gc(); 19331 System.runFinalization(); 19332 } 19333 } 19334 19335 /** 19336 * Prepare storage areas for given user on all mounted devices. 19337 */ 19338 void prepareUserData(int userId, int userSerial, int flags) { 19339 synchronized (mInstallLock) { 19340 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19341 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19342 final String volumeUuid = vol.getFsUuid(); 19343 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19344 } 19345 } 19346 } 19347 19348 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19349 boolean allowRecover) { 19350 // Prepare storage and verify that serial numbers are consistent; if 19351 // there's a mismatch we need to destroy to avoid leaking data 19352 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19353 try { 19354 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19355 19356 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19357 UserManagerService.enforceSerialNumber( 19358 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19359 } 19360 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19361 UserManagerService.enforceSerialNumber( 19362 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19363 } 19364 19365 synchronized (mInstallLock) { 19366 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19367 } 19368 } catch (Exception e) { 19369 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19370 + " because we failed to prepare: " + e); 19371 destroyUserDataLI(volumeUuid, userId, 19372 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19373 19374 if (allowRecover) { 19375 // Try one last time; if we fail again we're really in trouble 19376 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19377 } 19378 } 19379 } 19380 19381 /** 19382 * Destroy storage areas for given user on all mounted devices. 19383 */ 19384 void destroyUserData(int userId, int flags) { 19385 synchronized (mInstallLock) { 19386 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19387 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19388 final String volumeUuid = vol.getFsUuid(); 19389 destroyUserDataLI(volumeUuid, userId, flags); 19390 } 19391 } 19392 } 19393 19394 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19395 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19396 try { 19397 // Clean up app data, profile data, and media data 19398 mInstaller.destroyUserData(volumeUuid, userId, flags); 19399 19400 // Clean up system data 19401 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19402 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19403 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19404 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19405 } 19406 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19407 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19408 } 19409 } 19410 19411 // Data with special labels is now gone, so finish the job 19412 storage.destroyUserStorage(volumeUuid, userId, flags); 19413 19414 } catch (Exception e) { 19415 logCriticalInfo(Log.WARN, 19416 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19417 } 19418 } 19419 19420 /** 19421 * Examine all users present on given mounted volume, and destroy data 19422 * belonging to users that are no longer valid, or whose user ID has been 19423 * recycled. 19424 */ 19425 private void reconcileUsers(String volumeUuid) { 19426 final List<File> files = new ArrayList<>(); 19427 Collections.addAll(files, FileUtils 19428 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19429 Collections.addAll(files, FileUtils 19430 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19431 for (File file : files) { 19432 if (!file.isDirectory()) continue; 19433 19434 final int userId; 19435 final UserInfo info; 19436 try { 19437 userId = Integer.parseInt(file.getName()); 19438 info = sUserManager.getUserInfo(userId); 19439 } catch (NumberFormatException e) { 19440 Slog.w(TAG, "Invalid user directory " + file); 19441 continue; 19442 } 19443 19444 boolean destroyUser = false; 19445 if (info == null) { 19446 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19447 + " because no matching user was found"); 19448 destroyUser = true; 19449 } else if (!mOnlyCore) { 19450 try { 19451 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19452 } catch (IOException e) { 19453 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19454 + " because we failed to enforce serial number: " + e); 19455 destroyUser = true; 19456 } 19457 } 19458 19459 if (destroyUser) { 19460 synchronized (mInstallLock) { 19461 destroyUserDataLI(volumeUuid, userId, 19462 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19463 } 19464 } 19465 } 19466 } 19467 19468 private void assertPackageKnown(String volumeUuid, String packageName) 19469 throws PackageManagerException { 19470 synchronized (mPackages) { 19471 final PackageSetting ps = mSettings.mPackages.get(packageName); 19472 if (ps == null) { 19473 throw new PackageManagerException("Package " + packageName + " is unknown"); 19474 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19475 throw new PackageManagerException( 19476 "Package " + packageName + " found on unknown volume " + volumeUuid 19477 + "; expected volume " + ps.volumeUuid); 19478 } 19479 } 19480 } 19481 19482 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19483 throws PackageManagerException { 19484 synchronized (mPackages) { 19485 final PackageSetting ps = mSettings.mPackages.get(packageName); 19486 if (ps == null) { 19487 throw new PackageManagerException("Package " + packageName + " is unknown"); 19488 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19489 throw new PackageManagerException( 19490 "Package " + packageName + " found on unknown volume " + volumeUuid 19491 + "; expected volume " + ps.volumeUuid); 19492 } else if (!ps.getInstalled(userId)) { 19493 throw new PackageManagerException( 19494 "Package " + packageName + " not installed for user " + userId); 19495 } 19496 } 19497 } 19498 19499 /** 19500 * Examine all apps present on given mounted volume, and destroy apps that 19501 * aren't expected, either due to uninstallation or reinstallation on 19502 * another volume. 19503 */ 19504 private void reconcileApps(String volumeUuid) { 19505 final File[] files = FileUtils 19506 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19507 for (File file : files) { 19508 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19509 && !PackageInstallerService.isStageName(file.getName()); 19510 if (!isPackage) { 19511 // Ignore entries which are not packages 19512 continue; 19513 } 19514 19515 try { 19516 final PackageLite pkg = PackageParser.parsePackageLite(file, 19517 PackageParser.PARSE_MUST_BE_APK); 19518 assertPackageKnown(volumeUuid, pkg.packageName); 19519 19520 } catch (PackageParserException | PackageManagerException e) { 19521 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19522 synchronized (mInstallLock) { 19523 removeCodePathLI(file); 19524 } 19525 } 19526 } 19527 } 19528 19529 /** 19530 * Reconcile all app data for the given user. 19531 * <p> 19532 * Verifies that directories exist and that ownership and labeling is 19533 * correct for all installed apps on all mounted volumes. 19534 */ 19535 void reconcileAppsData(int userId, int flags) { 19536 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19537 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19538 final String volumeUuid = vol.getFsUuid(); 19539 synchronized (mInstallLock) { 19540 reconcileAppsDataLI(volumeUuid, userId, flags); 19541 } 19542 } 19543 } 19544 19545 /** 19546 * Reconcile all app data on given mounted volume. 19547 * <p> 19548 * Destroys app data that isn't expected, either due to uninstallation or 19549 * reinstallation on another volume. 19550 * <p> 19551 * Verifies that directories exist and that ownership and labeling is 19552 * correct for all installed apps. 19553 */ 19554 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19555 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19556 + Integer.toHexString(flags)); 19557 19558 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19559 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19560 19561 boolean restoreconNeeded = false; 19562 19563 // First look for stale data that doesn't belong, and check if things 19564 // have changed since we did our last restorecon 19565 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19566 if (StorageManager.isFileEncryptedNativeOrEmulated() 19567 && !StorageManager.isUserKeyUnlocked(userId)) { 19568 throw new RuntimeException( 19569 "Yikes, someone asked us to reconcile CE storage while " + userId 19570 + " was still locked; this would have caused massive data loss!"); 19571 } 19572 19573 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19574 19575 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19576 for (File file : files) { 19577 final String packageName = file.getName(); 19578 try { 19579 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19580 } catch (PackageManagerException e) { 19581 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19582 try { 19583 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19584 StorageManager.FLAG_STORAGE_CE, 0); 19585 } catch (InstallerException e2) { 19586 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19587 } 19588 } 19589 } 19590 } 19591 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19592 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19593 19594 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19595 for (File file : files) { 19596 final String packageName = file.getName(); 19597 try { 19598 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19599 } catch (PackageManagerException e) { 19600 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19601 try { 19602 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19603 StorageManager.FLAG_STORAGE_DE, 0); 19604 } catch (InstallerException e2) { 19605 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19606 } 19607 } 19608 } 19609 } 19610 19611 // Ensure that data directories are ready to roll for all packages 19612 // installed for this volume and user 19613 final List<PackageSetting> packages; 19614 synchronized (mPackages) { 19615 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19616 } 19617 int preparedCount = 0; 19618 for (PackageSetting ps : packages) { 19619 final String packageName = ps.name; 19620 if (ps.pkg == null) { 19621 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19622 // TODO: might be due to legacy ASEC apps; we should circle back 19623 // and reconcile again once they're scanned 19624 continue; 19625 } 19626 19627 if (ps.getInstalled(userId)) { 19628 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19629 19630 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19631 // We may have just shuffled around app data directories, so 19632 // prepare them one more time 19633 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19634 } 19635 19636 preparedCount++; 19637 } 19638 } 19639 19640 if (restoreconNeeded) { 19641 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19642 SELinuxMMAC.setRestoreconDone(ceDir); 19643 } 19644 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19645 SELinuxMMAC.setRestoreconDone(deDir); 19646 } 19647 } 19648 19649 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19650 + " packages; restoreconNeeded was " + restoreconNeeded); 19651 } 19652 19653 /** 19654 * Prepare app data for the given app just after it was installed or 19655 * upgraded. This method carefully only touches users that it's installed 19656 * for, and it forces a restorecon to handle any seinfo changes. 19657 * <p> 19658 * Verifies that directories exist and that ownership and labeling is 19659 * correct for all installed apps. If there is an ownership mismatch, it 19660 * will try recovering system apps by wiping data; third-party app data is 19661 * left intact. 19662 * <p> 19663 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19664 */ 19665 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19666 final PackageSetting ps; 19667 synchronized (mPackages) { 19668 ps = mSettings.mPackages.get(pkg.packageName); 19669 mSettings.writeKernelMappingLPr(ps); 19670 } 19671 19672 final UserManager um = mContext.getSystemService(UserManager.class); 19673 UserManagerInternal umInternal = getUserManagerInternal(); 19674 for (UserInfo user : um.getUsers()) { 19675 final int flags; 19676 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19677 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19678 } else if (umInternal.isUserRunning(user.id)) { 19679 flags = StorageManager.FLAG_STORAGE_DE; 19680 } else { 19681 continue; 19682 } 19683 19684 if (ps.getInstalled(user.id)) { 19685 // Whenever an app changes, force a restorecon of its data 19686 // TODO: when user data is locked, mark that we're still dirty 19687 prepareAppDataLIF(pkg, user.id, flags, true); 19688 } 19689 } 19690 } 19691 19692 /** 19693 * Prepare app data for the given app. 19694 * <p> 19695 * Verifies that directories exist and that ownership and labeling is 19696 * correct for all installed apps. If there is an ownership mismatch, this 19697 * will try recovering system apps by wiping data; third-party app data is 19698 * left intact. 19699 */ 19700 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19701 boolean restoreconNeeded) { 19702 if (pkg == null) { 19703 Slog.wtf(TAG, "Package was null!", new Throwable()); 19704 return; 19705 } 19706 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19707 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19708 for (int i = 0; i < childCount; i++) { 19709 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19710 } 19711 } 19712 19713 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19714 boolean restoreconNeeded) { 19715 if (DEBUG_APP_DATA) { 19716 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19717 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19718 } 19719 19720 final String volumeUuid = pkg.volumeUuid; 19721 final String packageName = pkg.packageName; 19722 final ApplicationInfo app = pkg.applicationInfo; 19723 final int appId = UserHandle.getAppId(app.uid); 19724 19725 Preconditions.checkNotNull(app.seinfo); 19726 19727 try { 19728 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19729 appId, app.seinfo, app.targetSdkVersion); 19730 } catch (InstallerException e) { 19731 if (app.isSystemApp()) { 19732 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19733 + ", but trying to recover: " + e); 19734 destroyAppDataLeafLIF(pkg, userId, flags); 19735 try { 19736 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19737 appId, app.seinfo, app.targetSdkVersion); 19738 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19739 } catch (InstallerException e2) { 19740 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19741 } 19742 } else { 19743 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19744 } 19745 } 19746 19747 if (restoreconNeeded) { 19748 try { 19749 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19750 app.seinfo); 19751 } catch (InstallerException e) { 19752 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19753 } 19754 } 19755 19756 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19757 try { 19758 // CE storage is unlocked right now, so read out the inode and 19759 // remember for use later when it's locked 19760 // TODO: mark this structure as dirty so we persist it! 19761 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19762 StorageManager.FLAG_STORAGE_CE); 19763 synchronized (mPackages) { 19764 final PackageSetting ps = mSettings.mPackages.get(packageName); 19765 if (ps != null) { 19766 ps.setCeDataInode(ceDataInode, userId); 19767 } 19768 } 19769 } catch (InstallerException e) { 19770 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19771 } 19772 } 19773 19774 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19775 } 19776 19777 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19778 if (pkg == null) { 19779 Slog.wtf(TAG, "Package was null!", new Throwable()); 19780 return; 19781 } 19782 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19783 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19784 for (int i = 0; i < childCount; i++) { 19785 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19786 } 19787 } 19788 19789 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19790 final String volumeUuid = pkg.volumeUuid; 19791 final String packageName = pkg.packageName; 19792 final ApplicationInfo app = pkg.applicationInfo; 19793 19794 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19795 // Create a native library symlink only if we have native libraries 19796 // and if the native libraries are 32 bit libraries. We do not provide 19797 // this symlink for 64 bit libraries. 19798 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19799 final String nativeLibPath = app.nativeLibraryDir; 19800 try { 19801 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19802 nativeLibPath, userId); 19803 } catch (InstallerException e) { 19804 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19805 } 19806 } 19807 } 19808 } 19809 19810 /** 19811 * For system apps on non-FBE devices, this method migrates any existing 19812 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19813 * requested by the app. 19814 */ 19815 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19816 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19817 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19818 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19819 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19820 try { 19821 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19822 storageTarget); 19823 } catch (InstallerException e) { 19824 logCriticalInfo(Log.WARN, 19825 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19826 } 19827 return true; 19828 } else { 19829 return false; 19830 } 19831 } 19832 19833 public PackageFreezer freezePackage(String packageName, String killReason) { 19834 return new PackageFreezer(packageName, killReason); 19835 } 19836 19837 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19838 String killReason) { 19839 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19840 return new PackageFreezer(); 19841 } else { 19842 return freezePackage(packageName, killReason); 19843 } 19844 } 19845 19846 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19847 String killReason) { 19848 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19849 return new PackageFreezer(); 19850 } else { 19851 return freezePackage(packageName, killReason); 19852 } 19853 } 19854 19855 /** 19856 * Class that freezes and kills the given package upon creation, and 19857 * unfreezes it upon closing. This is typically used when doing surgery on 19858 * app code/data to prevent the app from running while you're working. 19859 */ 19860 private class PackageFreezer implements AutoCloseable { 19861 private final String mPackageName; 19862 private final PackageFreezer[] mChildren; 19863 19864 private final boolean mWeFroze; 19865 19866 private final AtomicBoolean mClosed = new AtomicBoolean(); 19867 private final CloseGuard mCloseGuard = CloseGuard.get(); 19868 19869 /** 19870 * Create and return a stub freezer that doesn't actually do anything, 19871 * typically used when someone requested 19872 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19873 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19874 */ 19875 public PackageFreezer() { 19876 mPackageName = null; 19877 mChildren = null; 19878 mWeFroze = false; 19879 mCloseGuard.open("close"); 19880 } 19881 19882 public PackageFreezer(String packageName, String killReason) { 19883 synchronized (mPackages) { 19884 mPackageName = packageName; 19885 mWeFroze = mFrozenPackages.add(mPackageName); 19886 19887 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19888 if (ps != null) { 19889 killApplication(ps.name, ps.appId, killReason); 19890 } 19891 19892 final PackageParser.Package p = mPackages.get(packageName); 19893 if (p != null && p.childPackages != null) { 19894 final int N = p.childPackages.size(); 19895 mChildren = new PackageFreezer[N]; 19896 for (int i = 0; i < N; i++) { 19897 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19898 killReason); 19899 } 19900 } else { 19901 mChildren = null; 19902 } 19903 } 19904 mCloseGuard.open("close"); 19905 } 19906 19907 @Override 19908 protected void finalize() throws Throwable { 19909 try { 19910 mCloseGuard.warnIfOpen(); 19911 close(); 19912 } finally { 19913 super.finalize(); 19914 } 19915 } 19916 19917 @Override 19918 public void close() { 19919 mCloseGuard.close(); 19920 if (mClosed.compareAndSet(false, true)) { 19921 synchronized (mPackages) { 19922 if (mWeFroze) { 19923 mFrozenPackages.remove(mPackageName); 19924 } 19925 19926 if (mChildren != null) { 19927 for (PackageFreezer freezer : mChildren) { 19928 freezer.close(); 19929 } 19930 } 19931 } 19932 } 19933 } 19934 } 19935 19936 /** 19937 * Verify that given package is currently frozen. 19938 */ 19939 private void checkPackageFrozen(String packageName) { 19940 synchronized (mPackages) { 19941 if (!mFrozenPackages.contains(packageName)) { 19942 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19943 } 19944 } 19945 } 19946 19947 @Override 19948 public int movePackage(final String packageName, final String volumeUuid) { 19949 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19950 19951 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19952 final int moveId = mNextMoveId.getAndIncrement(); 19953 mHandler.post(new Runnable() { 19954 @Override 19955 public void run() { 19956 try { 19957 movePackageInternal(packageName, volumeUuid, moveId, user); 19958 } catch (PackageManagerException e) { 19959 Slog.w(TAG, "Failed to move " + packageName, e); 19960 mMoveCallbacks.notifyStatusChanged(moveId, 19961 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19962 } 19963 } 19964 }); 19965 return moveId; 19966 } 19967 19968 private void movePackageInternal(final String packageName, final String volumeUuid, 19969 final int moveId, UserHandle user) throws PackageManagerException { 19970 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19971 final PackageManager pm = mContext.getPackageManager(); 19972 19973 final boolean currentAsec; 19974 final String currentVolumeUuid; 19975 final File codeFile; 19976 final String installerPackageName; 19977 final String packageAbiOverride; 19978 final int appId; 19979 final String seinfo; 19980 final String label; 19981 final int targetSdkVersion; 19982 final PackageFreezer freezer; 19983 final int[] installedUserIds; 19984 19985 // reader 19986 synchronized (mPackages) { 19987 final PackageParser.Package pkg = mPackages.get(packageName); 19988 final PackageSetting ps = mSettings.mPackages.get(packageName); 19989 if (pkg == null || ps == null) { 19990 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19991 } 19992 19993 if (pkg.applicationInfo.isSystemApp()) { 19994 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19995 "Cannot move system application"); 19996 } 19997 19998 if (pkg.applicationInfo.isExternalAsec()) { 19999 currentAsec = true; 20000 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20001 } else if (pkg.applicationInfo.isForwardLocked()) { 20002 currentAsec = true; 20003 currentVolumeUuid = "forward_locked"; 20004 } else { 20005 currentAsec = false; 20006 currentVolumeUuid = ps.volumeUuid; 20007 20008 final File probe = new File(pkg.codePath); 20009 final File probeOat = new File(probe, "oat"); 20010 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20011 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20012 "Move only supported for modern cluster style installs"); 20013 } 20014 } 20015 20016 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20017 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20018 "Package already moved to " + volumeUuid); 20019 } 20020 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20021 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20022 "Device admin cannot be moved"); 20023 } 20024 20025 if (mFrozenPackages.contains(packageName)) { 20026 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20027 "Failed to move already frozen package"); 20028 } 20029 20030 codeFile = new File(pkg.codePath); 20031 installerPackageName = ps.installerPackageName; 20032 packageAbiOverride = ps.cpuAbiOverrideString; 20033 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20034 seinfo = pkg.applicationInfo.seinfo; 20035 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20036 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20037 freezer = new PackageFreezer(packageName, "movePackageInternal"); 20038 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20039 } 20040 20041 final Bundle extras = new Bundle(); 20042 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20043 extras.putString(Intent.EXTRA_TITLE, label); 20044 mMoveCallbacks.notifyCreated(moveId, extras); 20045 20046 int installFlags; 20047 final boolean moveCompleteApp; 20048 final File measurePath; 20049 20050 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20051 installFlags = INSTALL_INTERNAL; 20052 moveCompleteApp = !currentAsec; 20053 measurePath = Environment.getDataAppDirectory(volumeUuid); 20054 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20055 installFlags = INSTALL_EXTERNAL; 20056 moveCompleteApp = false; 20057 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20058 } else { 20059 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20060 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20061 || !volume.isMountedWritable()) { 20062 freezer.close(); 20063 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20064 "Move location not mounted private volume"); 20065 } 20066 20067 Preconditions.checkState(!currentAsec); 20068 20069 installFlags = INSTALL_INTERNAL; 20070 moveCompleteApp = true; 20071 measurePath = Environment.getDataAppDirectory(volumeUuid); 20072 } 20073 20074 final PackageStats stats = new PackageStats(null, -1); 20075 synchronized (mInstaller) { 20076 for (int userId : installedUserIds) { 20077 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20078 freezer.close(); 20079 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20080 "Failed to measure package size"); 20081 } 20082 } 20083 } 20084 20085 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20086 + stats.dataSize); 20087 20088 final long startFreeBytes = measurePath.getFreeSpace(); 20089 final long sizeBytes; 20090 if (moveCompleteApp) { 20091 sizeBytes = stats.codeSize + stats.dataSize; 20092 } else { 20093 sizeBytes = stats.codeSize; 20094 } 20095 20096 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20097 freezer.close(); 20098 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20099 "Not enough free space to move"); 20100 } 20101 20102 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20103 20104 final CountDownLatch installedLatch = new CountDownLatch(1); 20105 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20106 @Override 20107 public void onUserActionRequired(Intent intent) throws RemoteException { 20108 throw new IllegalStateException(); 20109 } 20110 20111 @Override 20112 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20113 Bundle extras) throws RemoteException { 20114 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20115 + PackageManager.installStatusToString(returnCode, msg)); 20116 20117 installedLatch.countDown(); 20118 freezer.close(); 20119 20120 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20121 switch (status) { 20122 case PackageInstaller.STATUS_SUCCESS: 20123 mMoveCallbacks.notifyStatusChanged(moveId, 20124 PackageManager.MOVE_SUCCEEDED); 20125 break; 20126 case PackageInstaller.STATUS_FAILURE_STORAGE: 20127 mMoveCallbacks.notifyStatusChanged(moveId, 20128 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20129 break; 20130 default: 20131 mMoveCallbacks.notifyStatusChanged(moveId, 20132 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20133 break; 20134 } 20135 } 20136 }; 20137 20138 final MoveInfo move; 20139 if (moveCompleteApp) { 20140 // Kick off a thread to report progress estimates 20141 new Thread() { 20142 @Override 20143 public void run() { 20144 while (true) { 20145 try { 20146 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20147 break; 20148 } 20149 } catch (InterruptedException ignored) { 20150 } 20151 20152 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20153 final int progress = 10 + (int) MathUtils.constrain( 20154 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20155 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20156 } 20157 } 20158 }.start(); 20159 20160 final String dataAppName = codeFile.getName(); 20161 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20162 dataAppName, appId, seinfo, targetSdkVersion); 20163 } else { 20164 move = null; 20165 } 20166 20167 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20168 20169 final Message msg = mHandler.obtainMessage(INIT_COPY); 20170 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20171 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20172 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20173 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20174 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20175 msg.obj = params; 20176 20177 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20178 System.identityHashCode(msg.obj)); 20179 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20180 System.identityHashCode(msg.obj)); 20181 20182 mHandler.sendMessage(msg); 20183 } 20184 20185 @Override 20186 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20187 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20188 20189 final int realMoveId = mNextMoveId.getAndIncrement(); 20190 final Bundle extras = new Bundle(); 20191 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20192 mMoveCallbacks.notifyCreated(realMoveId, extras); 20193 20194 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20195 @Override 20196 public void onCreated(int moveId, Bundle extras) { 20197 // Ignored 20198 } 20199 20200 @Override 20201 public void onStatusChanged(int moveId, int status, long estMillis) { 20202 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20203 } 20204 }; 20205 20206 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20207 storage.setPrimaryStorageUuid(volumeUuid, callback); 20208 return realMoveId; 20209 } 20210 20211 @Override 20212 public int getMoveStatus(int moveId) { 20213 mContext.enforceCallingOrSelfPermission( 20214 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20215 return mMoveCallbacks.mLastStatus.get(moveId); 20216 } 20217 20218 @Override 20219 public void registerMoveCallback(IPackageMoveObserver callback) { 20220 mContext.enforceCallingOrSelfPermission( 20221 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20222 mMoveCallbacks.register(callback); 20223 } 20224 20225 @Override 20226 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20227 mContext.enforceCallingOrSelfPermission( 20228 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20229 mMoveCallbacks.unregister(callback); 20230 } 20231 20232 @Override 20233 public boolean setInstallLocation(int loc) { 20234 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20235 null); 20236 if (getInstallLocation() == loc) { 20237 return true; 20238 } 20239 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20240 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20241 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20242 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20243 return true; 20244 } 20245 return false; 20246 } 20247 20248 @Override 20249 public int getInstallLocation() { 20250 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20251 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20252 PackageHelper.APP_INSTALL_AUTO); 20253 } 20254 20255 /** Called by UserManagerService */ 20256 void cleanUpUser(UserManagerService userManager, int userHandle) { 20257 synchronized (mPackages) { 20258 mDirtyUsers.remove(userHandle); 20259 mUserNeedsBadging.delete(userHandle); 20260 mSettings.removeUserLPw(userHandle); 20261 mPendingBroadcasts.remove(userHandle); 20262 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20263 removeUnusedPackagesLPw(userManager, userHandle); 20264 } 20265 } 20266 20267 /** 20268 * We're removing userHandle and would like to remove any downloaded packages 20269 * that are no longer in use by any other user. 20270 * @param userHandle the user being removed 20271 */ 20272 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20273 final boolean DEBUG_CLEAN_APKS = false; 20274 int [] users = userManager.getUserIds(); 20275 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20276 while (psit.hasNext()) { 20277 PackageSetting ps = psit.next(); 20278 if (ps.pkg == null) { 20279 continue; 20280 } 20281 final String packageName = ps.pkg.packageName; 20282 // Skip over if system app 20283 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20284 continue; 20285 } 20286 if (DEBUG_CLEAN_APKS) { 20287 Slog.i(TAG, "Checking package " + packageName); 20288 } 20289 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20290 if (keep) { 20291 if (DEBUG_CLEAN_APKS) { 20292 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20293 } 20294 } else { 20295 for (int i = 0; i < users.length; i++) { 20296 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20297 keep = true; 20298 if (DEBUG_CLEAN_APKS) { 20299 Slog.i(TAG, " Keeping package " + packageName + " for user " 20300 + users[i]); 20301 } 20302 break; 20303 } 20304 } 20305 } 20306 if (!keep) { 20307 if (DEBUG_CLEAN_APKS) { 20308 Slog.i(TAG, " Removing package " + packageName); 20309 } 20310 mHandler.post(new Runnable() { 20311 public void run() { 20312 deletePackageX(packageName, userHandle, 0); 20313 } //end run 20314 }); 20315 } 20316 } 20317 } 20318 20319 /** Called by UserManagerService */ 20320 void createNewUser(int userId) { 20321 synchronized (mInstallLock) { 20322 mSettings.createNewUserLI(this, mInstaller, userId); 20323 } 20324 synchronized (mPackages) { 20325 scheduleWritePackageRestrictionsLocked(userId); 20326 scheduleWritePackageListLocked(userId); 20327 applyFactoryDefaultBrowserLPw(userId); 20328 primeDomainVerificationsLPw(userId); 20329 } 20330 } 20331 20332 void onBeforeUserStartUninitialized(final int userId) { 20333 synchronized (mPackages) { 20334 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20335 return; 20336 } 20337 } 20338 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20339 // If permission review for legacy apps is required, we represent 20340 // dagerous permissions for such apps as always granted runtime 20341 // permissions to keep per user flag state whether review is needed. 20342 // Hence, if a new user is added we have to propagate dangerous 20343 // permission grants for these legacy apps. 20344 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20345 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20346 | UPDATE_PERMISSIONS_REPLACE_ALL); 20347 } 20348 } 20349 20350 @Override 20351 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20352 mContext.enforceCallingOrSelfPermission( 20353 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20354 "Only package verification agents can read the verifier device identity"); 20355 20356 synchronized (mPackages) { 20357 return mSettings.getVerifierDeviceIdentityLPw(); 20358 } 20359 } 20360 20361 @Override 20362 public void setPermissionEnforced(String permission, boolean enforced) { 20363 // TODO: Now that we no longer change GID for storage, this should to away. 20364 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20365 "setPermissionEnforced"); 20366 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20367 synchronized (mPackages) { 20368 if (mSettings.mReadExternalStorageEnforced == null 20369 || mSettings.mReadExternalStorageEnforced != enforced) { 20370 mSettings.mReadExternalStorageEnforced = enforced; 20371 mSettings.writeLPr(); 20372 } 20373 } 20374 // kill any non-foreground processes so we restart them and 20375 // grant/revoke the GID. 20376 final IActivityManager am = ActivityManagerNative.getDefault(); 20377 if (am != null) { 20378 final long token = Binder.clearCallingIdentity(); 20379 try { 20380 am.killProcessesBelowForeground("setPermissionEnforcement"); 20381 } catch (RemoteException e) { 20382 } finally { 20383 Binder.restoreCallingIdentity(token); 20384 } 20385 } 20386 } else { 20387 throw new IllegalArgumentException("No selective enforcement for " + permission); 20388 } 20389 } 20390 20391 @Override 20392 @Deprecated 20393 public boolean isPermissionEnforced(String permission) { 20394 return true; 20395 } 20396 20397 @Override 20398 public boolean isStorageLow() { 20399 final long token = Binder.clearCallingIdentity(); 20400 try { 20401 final DeviceStorageMonitorInternal 20402 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20403 if (dsm != null) { 20404 return dsm.isMemoryLow(); 20405 } else { 20406 return false; 20407 } 20408 } finally { 20409 Binder.restoreCallingIdentity(token); 20410 } 20411 } 20412 20413 @Override 20414 public IPackageInstaller getPackageInstaller() { 20415 return mInstallerService; 20416 } 20417 20418 private boolean userNeedsBadging(int userId) { 20419 int index = mUserNeedsBadging.indexOfKey(userId); 20420 if (index < 0) { 20421 final UserInfo userInfo; 20422 final long token = Binder.clearCallingIdentity(); 20423 try { 20424 userInfo = sUserManager.getUserInfo(userId); 20425 } finally { 20426 Binder.restoreCallingIdentity(token); 20427 } 20428 final boolean b; 20429 if (userInfo != null && userInfo.isManagedProfile()) { 20430 b = true; 20431 } else { 20432 b = false; 20433 } 20434 mUserNeedsBadging.put(userId, b); 20435 return b; 20436 } 20437 return mUserNeedsBadging.valueAt(index); 20438 } 20439 20440 @Override 20441 public KeySet getKeySetByAlias(String packageName, String alias) { 20442 if (packageName == null || alias == null) { 20443 return null; 20444 } 20445 synchronized(mPackages) { 20446 final PackageParser.Package pkg = mPackages.get(packageName); 20447 if (pkg == null) { 20448 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20449 throw new IllegalArgumentException("Unknown package: " + packageName); 20450 } 20451 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20452 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20453 } 20454 } 20455 20456 @Override 20457 public KeySet getSigningKeySet(String packageName) { 20458 if (packageName == null) { 20459 return null; 20460 } 20461 synchronized(mPackages) { 20462 final PackageParser.Package pkg = mPackages.get(packageName); 20463 if (pkg == null) { 20464 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20465 throw new IllegalArgumentException("Unknown package: " + packageName); 20466 } 20467 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20468 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20469 throw new SecurityException("May not access signing KeySet of other apps."); 20470 } 20471 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20472 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20473 } 20474 } 20475 20476 @Override 20477 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20478 if (packageName == null || ks == null) { 20479 return false; 20480 } 20481 synchronized(mPackages) { 20482 final PackageParser.Package pkg = mPackages.get(packageName); 20483 if (pkg == null) { 20484 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20485 throw new IllegalArgumentException("Unknown package: " + packageName); 20486 } 20487 IBinder ksh = ks.getToken(); 20488 if (ksh instanceof KeySetHandle) { 20489 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20490 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20491 } 20492 return false; 20493 } 20494 } 20495 20496 @Override 20497 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20498 if (packageName == null || ks == null) { 20499 return false; 20500 } 20501 synchronized(mPackages) { 20502 final PackageParser.Package pkg = mPackages.get(packageName); 20503 if (pkg == null) { 20504 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20505 throw new IllegalArgumentException("Unknown package: " + packageName); 20506 } 20507 IBinder ksh = ks.getToken(); 20508 if (ksh instanceof KeySetHandle) { 20509 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20510 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20511 } 20512 return false; 20513 } 20514 } 20515 20516 private void deletePackageIfUnusedLPr(final String packageName) { 20517 PackageSetting ps = mSettings.mPackages.get(packageName); 20518 if (ps == null) { 20519 return; 20520 } 20521 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20522 // TODO Implement atomic delete if package is unused 20523 // It is currently possible that the package will be deleted even if it is installed 20524 // after this method returns. 20525 mHandler.post(new Runnable() { 20526 public void run() { 20527 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20528 } 20529 }); 20530 } 20531 } 20532 20533 /** 20534 * Check and throw if the given before/after packages would be considered a 20535 * downgrade. 20536 */ 20537 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20538 throws PackageManagerException { 20539 if (after.versionCode < before.mVersionCode) { 20540 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20541 "Update version code " + after.versionCode + " is older than current " 20542 + before.mVersionCode); 20543 } else if (after.versionCode == before.mVersionCode) { 20544 if (after.baseRevisionCode < before.baseRevisionCode) { 20545 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20546 "Update base revision code " + after.baseRevisionCode 20547 + " is older than current " + before.baseRevisionCode); 20548 } 20549 20550 if (!ArrayUtils.isEmpty(after.splitNames)) { 20551 for (int i = 0; i < after.splitNames.length; i++) { 20552 final String splitName = after.splitNames[i]; 20553 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20554 if (j != -1) { 20555 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20556 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20557 "Update split " + splitName + " revision code " 20558 + after.splitRevisionCodes[i] + " is older than current " 20559 + before.splitRevisionCodes[j]); 20560 } 20561 } 20562 } 20563 } 20564 } 20565 } 20566 20567 private static class MoveCallbacks extends Handler { 20568 private static final int MSG_CREATED = 1; 20569 private static final int MSG_STATUS_CHANGED = 2; 20570 20571 private final RemoteCallbackList<IPackageMoveObserver> 20572 mCallbacks = new RemoteCallbackList<>(); 20573 20574 private final SparseIntArray mLastStatus = new SparseIntArray(); 20575 20576 public MoveCallbacks(Looper looper) { 20577 super(looper); 20578 } 20579 20580 public void register(IPackageMoveObserver callback) { 20581 mCallbacks.register(callback); 20582 } 20583 20584 public void unregister(IPackageMoveObserver callback) { 20585 mCallbacks.unregister(callback); 20586 } 20587 20588 @Override 20589 public void handleMessage(Message msg) { 20590 final SomeArgs args = (SomeArgs) msg.obj; 20591 final int n = mCallbacks.beginBroadcast(); 20592 for (int i = 0; i < n; i++) { 20593 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20594 try { 20595 invokeCallback(callback, msg.what, args); 20596 } catch (RemoteException ignored) { 20597 } 20598 } 20599 mCallbacks.finishBroadcast(); 20600 args.recycle(); 20601 } 20602 20603 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20604 throws RemoteException { 20605 switch (what) { 20606 case MSG_CREATED: { 20607 callback.onCreated(args.argi1, (Bundle) args.arg2); 20608 break; 20609 } 20610 case MSG_STATUS_CHANGED: { 20611 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20612 break; 20613 } 20614 } 20615 } 20616 20617 private void notifyCreated(int moveId, Bundle extras) { 20618 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20619 20620 final SomeArgs args = SomeArgs.obtain(); 20621 args.argi1 = moveId; 20622 args.arg2 = extras; 20623 obtainMessage(MSG_CREATED, args).sendToTarget(); 20624 } 20625 20626 private void notifyStatusChanged(int moveId, int status) { 20627 notifyStatusChanged(moveId, status, -1); 20628 } 20629 20630 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20631 Slog.v(TAG, "Move " + moveId + " status " + status); 20632 20633 final SomeArgs args = SomeArgs.obtain(); 20634 args.argi1 = moveId; 20635 args.argi2 = status; 20636 args.arg3 = estMillis; 20637 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20638 20639 synchronized (mLastStatus) { 20640 mLastStatus.put(moveId, status); 20641 } 20642 } 20643 } 20644 20645 private final static class OnPermissionChangeListeners extends Handler { 20646 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20647 20648 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20649 new RemoteCallbackList<>(); 20650 20651 public OnPermissionChangeListeners(Looper looper) { 20652 super(looper); 20653 } 20654 20655 @Override 20656 public void handleMessage(Message msg) { 20657 switch (msg.what) { 20658 case MSG_ON_PERMISSIONS_CHANGED: { 20659 final int uid = msg.arg1; 20660 handleOnPermissionsChanged(uid); 20661 } break; 20662 } 20663 } 20664 20665 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20666 mPermissionListeners.register(listener); 20667 20668 } 20669 20670 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20671 mPermissionListeners.unregister(listener); 20672 } 20673 20674 public void onPermissionsChanged(int uid) { 20675 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20676 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20677 } 20678 } 20679 20680 private void handleOnPermissionsChanged(int uid) { 20681 final int count = mPermissionListeners.beginBroadcast(); 20682 try { 20683 for (int i = 0; i < count; i++) { 20684 IOnPermissionsChangeListener callback = mPermissionListeners 20685 .getBroadcastItem(i); 20686 try { 20687 callback.onPermissionsChanged(uid); 20688 } catch (RemoteException e) { 20689 Log.e(TAG, "Permission listener is dead", e); 20690 } 20691 } 20692 } finally { 20693 mPermissionListeners.finishBroadcast(); 20694 } 20695 } 20696 } 20697 20698 private class PackageManagerInternalImpl extends PackageManagerInternal { 20699 @Override 20700 public void setLocationPackagesProvider(PackagesProvider provider) { 20701 synchronized (mPackages) { 20702 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20703 } 20704 } 20705 20706 @Override 20707 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20708 synchronized (mPackages) { 20709 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20710 } 20711 } 20712 20713 @Override 20714 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20715 synchronized (mPackages) { 20716 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20717 } 20718 } 20719 20720 @Override 20721 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20722 synchronized (mPackages) { 20723 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20724 } 20725 } 20726 20727 @Override 20728 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20729 synchronized (mPackages) { 20730 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20731 } 20732 } 20733 20734 @Override 20735 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20736 synchronized (mPackages) { 20737 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20738 } 20739 } 20740 20741 @Override 20742 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20743 synchronized (mPackages) { 20744 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20745 packageName, userId); 20746 } 20747 } 20748 20749 @Override 20750 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20751 synchronized (mPackages) { 20752 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20753 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20754 packageName, userId); 20755 } 20756 } 20757 20758 @Override 20759 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20760 synchronized (mPackages) { 20761 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20762 packageName, userId); 20763 } 20764 } 20765 20766 @Override 20767 public void setKeepUninstalledPackages(final List<String> packageList) { 20768 Preconditions.checkNotNull(packageList); 20769 List<String> removedFromList = null; 20770 synchronized (mPackages) { 20771 if (mKeepUninstalledPackages != null) { 20772 final int packagesCount = mKeepUninstalledPackages.size(); 20773 for (int i = 0; i < packagesCount; i++) { 20774 String oldPackage = mKeepUninstalledPackages.get(i); 20775 if (packageList != null && packageList.contains(oldPackage)) { 20776 continue; 20777 } 20778 if (removedFromList == null) { 20779 removedFromList = new ArrayList<>(); 20780 } 20781 removedFromList.add(oldPackage); 20782 } 20783 } 20784 mKeepUninstalledPackages = new ArrayList<>(packageList); 20785 if (removedFromList != null) { 20786 final int removedCount = removedFromList.size(); 20787 for (int i = 0; i < removedCount; i++) { 20788 deletePackageIfUnusedLPr(removedFromList.get(i)); 20789 } 20790 } 20791 } 20792 } 20793 20794 @Override 20795 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20796 synchronized (mPackages) { 20797 // If we do not support permission review, done. 20798 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20799 return false; 20800 } 20801 20802 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20803 if (packageSetting == null) { 20804 return false; 20805 } 20806 20807 // Permission review applies only to apps not supporting the new permission model. 20808 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20809 return false; 20810 } 20811 20812 // Legacy apps have the permission and get user consent on launch. 20813 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20814 return permissionsState.isPermissionReviewRequired(userId); 20815 } 20816 } 20817 20818 @Override 20819 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20820 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20821 } 20822 20823 @Override 20824 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20825 int userId) { 20826 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20827 } 20828 } 20829 20830 @Override 20831 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20832 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20833 synchronized (mPackages) { 20834 final long identity = Binder.clearCallingIdentity(); 20835 try { 20836 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20837 packageNames, userId); 20838 } finally { 20839 Binder.restoreCallingIdentity(identity); 20840 } 20841 } 20842 } 20843 20844 private static void enforceSystemOrPhoneCaller(String tag) { 20845 int callingUid = Binder.getCallingUid(); 20846 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20847 throw new SecurityException( 20848 "Cannot call " + tag + " from UID " + callingUid); 20849 } 20850 } 20851 20852 boolean isHistoricalPackageUsageAvailable() { 20853 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20854 } 20855 20856 /** 20857 * Return a <b>copy</b> of the collection of packages known to the package manager. 20858 * @return A copy of the values of mPackages. 20859 */ 20860 Collection<PackageParser.Package> getPackages() { 20861 synchronized (mPackages) { 20862 return new ArrayList<>(mPackages.values()); 20863 } 20864 } 20865 20866 /** 20867 * Logs process start information (including base APK hash) to the security log. 20868 * @hide 20869 */ 20870 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20871 String apkFile, int pid) { 20872 if (!SecurityLog.isLoggingEnabled()) { 20873 return; 20874 } 20875 Bundle data = new Bundle(); 20876 data.putLong("startTimestamp", System.currentTimeMillis()); 20877 data.putString("processName", processName); 20878 data.putInt("uid", uid); 20879 data.putString("seinfo", seinfo); 20880 data.putString("apkFile", apkFile); 20881 data.putInt("pid", pid); 20882 Message msg = mProcessLoggingHandler.obtainMessage( 20883 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20884 msg.setData(data); 20885 mProcessLoggingHandler.sendMessage(msg); 20886 } 20887} 20888