PackageManagerService.java revision 83dce3642abb44fb83384a2e95ce2b89bfd80e20
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.annotation.UserIdInt; 106import android.app.ActivityManager; 107import android.app.ActivityManagerNative; 108import android.app.IActivityManager; 109import android.app.ResourcesManager; 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 final ProtectedPackages mProtectedPackages = new ProtectedPackages(); 626 627 boolean mRestoredSettings; 628 629 // System configuration read by SystemConfig. 630 final int[] mGlobalGids; 631 final SparseArray<ArraySet<String>> mSystemPermissions; 632 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 633 634 // If mac_permissions.xml was found for seinfo labeling. 635 boolean mFoundPolicyFile; 636 637 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 638 639 public static final class SharedLibraryEntry { 640 public final String path; 641 public final String apk; 642 643 SharedLibraryEntry(String _path, String _apk) { 644 path = _path; 645 apk = _apk; 646 } 647 } 648 649 // Currently known shared libraries. 650 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 651 new ArrayMap<String, SharedLibraryEntry>(); 652 653 // All available activities, for your resolving pleasure. 654 final ActivityIntentResolver mActivities = 655 new ActivityIntentResolver(); 656 657 // All available receivers, for your resolving pleasure. 658 final ActivityIntentResolver mReceivers = 659 new ActivityIntentResolver(); 660 661 // All available services, for your resolving pleasure. 662 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 663 664 // All available providers, for your resolving pleasure. 665 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 666 667 // Mapping from provider base names (first directory in content URI codePath) 668 // to the provider information. 669 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 670 new ArrayMap<String, PackageParser.Provider>(); 671 672 // Mapping from instrumentation class names to info about them. 673 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 674 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 675 676 // Mapping from permission names to info about them. 677 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 678 new ArrayMap<String, PackageParser.PermissionGroup>(); 679 680 // Packages whose data we have transfered into another package, thus 681 // should no longer exist. 682 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 683 684 // Broadcast actions that are only available to the system. 685 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 686 687 /** List of packages waiting for verification. */ 688 final SparseArray<PackageVerificationState> mPendingVerification 689 = new SparseArray<PackageVerificationState>(); 690 691 /** Set of packages associated with each app op permission. */ 692 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 693 694 final PackageInstallerService mInstallerService; 695 696 private final PackageDexOptimizer mPackageDexOptimizer; 697 698 private AtomicInteger mNextMoveId = new AtomicInteger(); 699 private final MoveCallbacks mMoveCallbacks; 700 701 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 702 703 // Cache of users who need badging. 704 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 705 706 /** Token for keys in mPendingVerification. */ 707 private int mPendingVerificationToken = 0; 708 709 volatile boolean mSystemReady; 710 volatile boolean mSafeMode; 711 volatile boolean mHasSystemUidErrors; 712 713 ApplicationInfo mAndroidApplication; 714 final ActivityInfo mResolveActivity = new ActivityInfo(); 715 final ResolveInfo mResolveInfo = new ResolveInfo(); 716 ComponentName mResolveComponentName; 717 PackageParser.Package mPlatformPackage; 718 ComponentName mCustomResolverComponentName; 719 720 boolean mResolverReplaced = false; 721 722 private final @Nullable ComponentName mIntentFilterVerifierComponent; 723 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 724 725 private int mIntentFilterVerificationToken = 0; 726 727 /** Component that knows whether or not an ephemeral application exists */ 728 final ComponentName mEphemeralResolverComponent; 729 /** The service connection to the ephemeral resolver */ 730 final EphemeralResolverConnection mEphemeralResolverConnection; 731 732 /** Component used to install ephemeral applications */ 733 final ComponentName mEphemeralInstallerComponent; 734 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 735 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 736 737 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 738 = new SparseArray<IntentFilterVerificationState>(); 739 740 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 741 new DefaultPermissionGrantPolicy(this); 742 743 // List of packages names to keep cached, even if they are uninstalled for all users 744 private List<String> mKeepUninstalledPackages; 745 746 private UserManagerInternal mUserManagerInternal; 747 748 private static class IFVerificationParams { 749 PackageParser.Package pkg; 750 boolean replacing; 751 int userId; 752 int verifierUid; 753 754 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 755 int _userId, int _verifierUid) { 756 pkg = _pkg; 757 replacing = _replacing; 758 userId = _userId; 759 replacing = _replacing; 760 verifierUid = _verifierUid; 761 } 762 } 763 764 private interface IntentFilterVerifier<T extends IntentFilter> { 765 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 766 T filter, String packageName); 767 void startVerifications(int userId); 768 void receiveVerificationResponse(int verificationId); 769 } 770 771 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 772 private Context mContext; 773 private ComponentName mIntentFilterVerifierComponent; 774 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 775 776 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 777 mContext = context; 778 mIntentFilterVerifierComponent = verifierComponent; 779 } 780 781 private String getDefaultScheme() { 782 return IntentFilter.SCHEME_HTTPS; 783 } 784 785 @Override 786 public void startVerifications(int userId) { 787 // Launch verifications requests 788 int count = mCurrentIntentFilterVerifications.size(); 789 for (int n=0; n<count; n++) { 790 int verificationId = mCurrentIntentFilterVerifications.get(n); 791 final IntentFilterVerificationState ivs = 792 mIntentFilterVerificationStates.get(verificationId); 793 794 String packageName = ivs.getPackageName(); 795 796 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 797 final int filterCount = filters.size(); 798 ArraySet<String> domainsSet = new ArraySet<>(); 799 for (int m=0; m<filterCount; m++) { 800 PackageParser.ActivityIntentInfo filter = filters.get(m); 801 domainsSet.addAll(filter.getHostsList()); 802 } 803 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 804 synchronized (mPackages) { 805 if (mSettings.createIntentFilterVerificationIfNeededLPw( 806 packageName, domainsList) != null) { 807 scheduleWriteSettingsLocked(); 808 } 809 } 810 sendVerificationRequest(userId, verificationId, ivs); 811 } 812 mCurrentIntentFilterVerifications.clear(); 813 } 814 815 private void sendVerificationRequest(int userId, int verificationId, 816 IntentFilterVerificationState ivs) { 817 818 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 819 verificationIntent.putExtra( 820 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 821 verificationId); 822 verificationIntent.putExtra( 823 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 824 getDefaultScheme()); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 827 ivs.getHostsString()); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 830 ivs.getPackageName()); 831 verificationIntent.setComponent(mIntentFilterVerifierComponent); 832 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 833 834 UserHandle user = new UserHandle(userId); 835 mContext.sendBroadcastAsUser(verificationIntent, user); 836 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 837 "Sending IntentFilter verification broadcast"); 838 } 839 840 public void receiveVerificationResponse(int verificationId) { 841 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 842 843 final boolean verified = ivs.isVerified(); 844 845 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 846 final int count = filters.size(); 847 if (DEBUG_DOMAIN_VERIFICATION) { 848 Slog.i(TAG, "Received verification response " + verificationId 849 + " for " + count + " filters, verified=" + verified); 850 } 851 for (int n=0; n<count; n++) { 852 PackageParser.ActivityIntentInfo filter = filters.get(n); 853 filter.setVerified(verified); 854 855 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 856 + " verified with result:" + verified + " and hosts:" 857 + ivs.getHostsString()); 858 } 859 860 mIntentFilterVerificationStates.remove(verificationId); 861 862 final String packageName = ivs.getPackageName(); 863 IntentFilterVerificationInfo ivi = null; 864 865 synchronized (mPackages) { 866 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 867 } 868 if (ivi == null) { 869 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 870 + verificationId + " packageName:" + packageName); 871 return; 872 } 873 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 874 "Updating IntentFilterVerificationInfo for package " + packageName 875 +" verificationId:" + verificationId); 876 877 synchronized (mPackages) { 878 if (verified) { 879 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 880 } else { 881 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 882 } 883 scheduleWriteSettingsLocked(); 884 885 final int userId = ivs.getUserId(); 886 if (userId != UserHandle.USER_ALL) { 887 final int userStatus = 888 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 889 890 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 891 boolean needUpdate = false; 892 893 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 894 // already been set by the User thru the Disambiguation dialog 895 switch (userStatus) { 896 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 897 if (verified) { 898 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 899 } else { 900 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 901 } 902 needUpdate = true; 903 break; 904 905 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 906 if (verified) { 907 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 908 needUpdate = true; 909 } 910 break; 911 912 default: 913 // Nothing to do 914 } 915 916 if (needUpdate) { 917 mSettings.updateIntentFilterVerificationStatusLPw( 918 packageName, updatedStatus, userId); 919 scheduleWritePackageRestrictionsLocked(userId); 920 } 921 } 922 } 923 } 924 925 @Override 926 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 927 ActivityIntentInfo filter, String packageName) { 928 if (!hasValidDomains(filter)) { 929 return false; 930 } 931 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 932 if (ivs == null) { 933 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 934 packageName); 935 } 936 if (DEBUG_DOMAIN_VERIFICATION) { 937 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 938 } 939 ivs.addFilter(filter); 940 return true; 941 } 942 943 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 944 int userId, int verificationId, String packageName) { 945 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 946 verifierUid, userId, packageName); 947 ivs.setPendingState(); 948 synchronized (mPackages) { 949 mIntentFilterVerificationStates.append(verificationId, ivs); 950 mCurrentIntentFilterVerifications.add(verificationId); 951 } 952 return ivs; 953 } 954 } 955 956 private static boolean hasValidDomains(ActivityIntentInfo filter) { 957 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 958 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 959 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 960 } 961 962 // Set of pending broadcasts for aggregating enable/disable of components. 963 static class PendingPackageBroadcasts { 964 // for each user id, a map of <package name -> components within that package> 965 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 966 967 public PendingPackageBroadcasts() { 968 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 969 } 970 971 public ArrayList<String> get(int userId, String packageName) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 return packages.get(packageName); 974 } 975 976 public void put(int userId, String packageName, ArrayList<String> components) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 packages.put(packageName, components); 979 } 980 981 public void remove(int userId, String packageName) { 982 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 983 if (packages != null) { 984 packages.remove(packageName); 985 } 986 } 987 988 public void remove(int userId) { 989 mUidMap.remove(userId); 990 } 991 992 public int userIdCount() { 993 return mUidMap.size(); 994 } 995 996 public int userIdAt(int n) { 997 return mUidMap.keyAt(n); 998 } 999 1000 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1001 return mUidMap.get(userId); 1002 } 1003 1004 public int size() { 1005 // total number of pending broadcast entries across all userIds 1006 int num = 0; 1007 for (int i = 0; i< mUidMap.size(); i++) { 1008 num += mUidMap.valueAt(i).size(); 1009 } 1010 return num; 1011 } 1012 1013 public void clear() { 1014 mUidMap.clear(); 1015 } 1016 1017 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1018 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1019 if (map == null) { 1020 map = new ArrayMap<String, ArrayList<String>>(); 1021 mUidMap.put(userId, map); 1022 } 1023 return map; 1024 } 1025 } 1026 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1027 1028 // Service Connection to remote media container service to copy 1029 // package uri's from external media onto secure containers 1030 // or internal storage. 1031 private IMediaContainerService mContainerService = null; 1032 1033 static final int SEND_PENDING_BROADCAST = 1; 1034 static final int MCS_BOUND = 3; 1035 static final int END_COPY = 4; 1036 static final int INIT_COPY = 5; 1037 static final int MCS_UNBIND = 6; 1038 static final int START_CLEANING_PACKAGE = 7; 1039 static final int FIND_INSTALL_LOC = 8; 1040 static final int POST_INSTALL = 9; 1041 static final int MCS_RECONNECT = 10; 1042 static final int MCS_GIVE_UP = 11; 1043 static final int UPDATED_MEDIA_STATUS = 12; 1044 static final int WRITE_SETTINGS = 13; 1045 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1046 static final int PACKAGE_VERIFIED = 15; 1047 static final int CHECK_PENDING_VERIFICATION = 16; 1048 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1049 static final int INTENT_FILTER_VERIFIED = 18; 1050 static final int WRITE_PACKAGE_LIST = 19; 1051 1052 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1053 1054 // Delay time in millisecs 1055 static final int BROADCAST_DELAY = 10 * 1000; 1056 1057 static UserManagerService sUserManager; 1058 1059 // Stores a list of users whose package restrictions file needs to be updated 1060 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1061 1062 final private DefaultContainerConnection mDefContainerConn = 1063 new DefaultContainerConnection(); 1064 class DefaultContainerConnection implements ServiceConnection { 1065 public void onServiceConnected(ComponentName name, IBinder service) { 1066 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1067 IMediaContainerService imcs = 1068 IMediaContainerService.Stub.asInterface(service); 1069 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1070 } 1071 1072 public void onServiceDisconnected(ComponentName name) { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1074 } 1075 } 1076 1077 // Recordkeeping of restore-after-install operations that are currently in flight 1078 // between the Package Manager and the Backup Manager 1079 static class PostInstallData { 1080 public InstallArgs args; 1081 public PackageInstalledInfo res; 1082 1083 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1084 args = _a; 1085 res = _r; 1086 } 1087 } 1088 1089 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1090 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1091 1092 // XML tags for backup/restore of various bits of state 1093 private static final String TAG_PREFERRED_BACKUP = "pa"; 1094 private static final String TAG_DEFAULT_APPS = "da"; 1095 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1096 1097 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1098 private static final String TAG_ALL_GRANTS = "rt-grants"; 1099 private static final String TAG_GRANT = "grant"; 1100 private static final String ATTR_PACKAGE_NAME = "pkg"; 1101 1102 private static final String TAG_PERMISSION = "perm"; 1103 private static final String ATTR_PERMISSION_NAME = "name"; 1104 private static final String ATTR_IS_GRANTED = "g"; 1105 private static final String ATTR_USER_SET = "set"; 1106 private static final String ATTR_USER_FIXED = "fixed"; 1107 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1108 1109 // System/policy permission grants are not backed up 1110 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1111 FLAG_PERMISSION_POLICY_FIXED 1112 | FLAG_PERMISSION_SYSTEM_FIXED 1113 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1114 1115 // And we back up these user-adjusted states 1116 private static final int USER_RUNTIME_GRANT_MASK = 1117 FLAG_PERMISSION_USER_SET 1118 | FLAG_PERMISSION_USER_FIXED 1119 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1120 1121 final @Nullable String mRequiredVerifierPackage; 1122 final @NonNull String mRequiredInstallerPackage; 1123 final @Nullable String mSetupWizardPackage; 1124 final @NonNull String mServicesSystemSharedLibraryPackageName; 1125 final @NonNull String mSharedSystemSharedLibraryPackageName; 1126 1127 private final PackageUsage mPackageUsage = new PackageUsage(); 1128 1129 private class PackageUsage { 1130 private static final int WRITE_INTERVAL 1131 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1132 1133 private final Object mFileLock = new Object(); 1134 private final AtomicLong mLastWritten = new AtomicLong(0); 1135 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1136 1137 private boolean mIsHistoricalPackageUsageAvailable = true; 1138 1139 boolean isHistoricalPackageUsageAvailable() { 1140 return mIsHistoricalPackageUsageAvailable; 1141 } 1142 1143 void write(boolean force) { 1144 if (force) { 1145 writeInternal(); 1146 return; 1147 } 1148 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1149 && !DEBUG_DEXOPT) { 1150 return; 1151 } 1152 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1153 new Thread("PackageUsage_DiskWriter") { 1154 @Override 1155 public void run() { 1156 try { 1157 writeInternal(); 1158 } finally { 1159 mBackgroundWriteRunning.set(false); 1160 } 1161 } 1162 }.start(); 1163 } 1164 } 1165 1166 private void writeInternal() { 1167 synchronized (mPackages) { 1168 synchronized (mFileLock) { 1169 AtomicFile file = getFile(); 1170 FileOutputStream f = null; 1171 try { 1172 f = file.startWrite(); 1173 BufferedOutputStream out = new BufferedOutputStream(f); 1174 FileUtils.setPermissions(file.getBaseFile().getPath(), 1175 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1176 StringBuilder sb = new StringBuilder(); 1177 1178 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1179 sb.append('\n'); 1180 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1181 1182 for (PackageParser.Package pkg : mPackages.values()) { 1183 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1184 continue; 1185 } 1186 sb.setLength(0); 1187 sb.append(pkg.packageName); 1188 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1189 sb.append(' '); 1190 sb.append(usageTimeInMillis); 1191 } 1192 sb.append('\n'); 1193 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1194 } 1195 out.flush(); 1196 file.finishWrite(f); 1197 } catch (IOException e) { 1198 if (f != null) { 1199 file.failWrite(f); 1200 } 1201 Log.e(TAG, "Failed to write package usage times", e); 1202 } 1203 } 1204 } 1205 mLastWritten.set(SystemClock.elapsedRealtime()); 1206 } 1207 1208 void readLP() { 1209 synchronized (mFileLock) { 1210 AtomicFile file = getFile(); 1211 BufferedInputStream in = null; 1212 try { 1213 in = new BufferedInputStream(file.openRead()); 1214 StringBuffer sb = new StringBuffer(); 1215 1216 String firstLine = readLine(in, sb); 1217 if (firstLine == null) { 1218 // Empty file. Do nothing. 1219 } else if (USAGE_FILE_MAGIC_VERSION_1.equals(firstLine)) { 1220 readVersion1LP(in, sb); 1221 } else { 1222 readVersion0LP(in, sb, firstLine); 1223 } 1224 } catch (FileNotFoundException expected) { 1225 mIsHistoricalPackageUsageAvailable = false; 1226 } catch (IOException e) { 1227 Log.w(TAG, "Failed to read package usage times", e); 1228 } finally { 1229 IoUtils.closeQuietly(in); 1230 } 1231 } 1232 mLastWritten.set(SystemClock.elapsedRealtime()); 1233 } 1234 1235 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1236 throws IOException { 1237 // Initial version of the file had no version number and stored one 1238 // package-timestamp pair per line. 1239 // Note that the first line has already been read from the InputStream. 1240 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1241 String[] tokens = line.split(" "); 1242 if (tokens.length != 2) { 1243 throw new IOException("Failed to parse " + line + 1244 " as package-timestamp pair."); 1245 } 1246 1247 String packageName = tokens[0]; 1248 PackageParser.Package pkg = mPackages.get(packageName); 1249 if (pkg == null) { 1250 continue; 1251 } 1252 1253 long timestamp = parseAsLong(tokens[1]); 1254 for (int reason = 0; 1255 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1256 reason++) { 1257 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1258 } 1259 } 1260 } 1261 1262 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1263 // Version 1 of the file started with the corresponding version 1264 // number and then stored a package name and eight timestamps per line. 1265 String line; 1266 while ((line = readLine(in, sb)) != null) { 1267 String[] tokens = line.split(" "); 1268 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1269 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1270 } 1271 1272 String packageName = tokens[0]; 1273 PackageParser.Package pkg = mPackages.get(packageName); 1274 if (pkg == null) { 1275 continue; 1276 } 1277 1278 for (int reason = 0; 1279 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1280 reason++) { 1281 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1282 } 1283 } 1284 } 1285 1286 private long parseAsLong(String token) throws IOException { 1287 try { 1288 return Long.parseLong(token); 1289 } catch (NumberFormatException e) { 1290 throw new IOException("Failed to parse " + token + " as a long.", e); 1291 } 1292 } 1293 1294 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1295 return readToken(in, sb, '\n'); 1296 } 1297 1298 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1299 throws IOException { 1300 sb.setLength(0); 1301 while (true) { 1302 int ch = in.read(); 1303 if (ch == -1) { 1304 if (sb.length() == 0) { 1305 return null; 1306 } 1307 throw new IOException("Unexpected EOF"); 1308 } 1309 if (ch == endOfToken) { 1310 return sb.toString(); 1311 } 1312 sb.append((char)ch); 1313 } 1314 } 1315 1316 private AtomicFile getFile() { 1317 File dataDir = Environment.getDataDirectory(); 1318 File systemDir = new File(dataDir, "system"); 1319 File fname = new File(systemDir, "package-usage.list"); 1320 return new AtomicFile(fname); 1321 } 1322 1323 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1324 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1325 } 1326 1327 class PackageHandler extends Handler { 1328 private boolean mBound = false; 1329 final ArrayList<HandlerParams> mPendingInstalls = 1330 new ArrayList<HandlerParams>(); 1331 1332 private boolean connectToService() { 1333 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1334 " DefaultContainerService"); 1335 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1337 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1338 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1339 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1340 mBound = true; 1341 return true; 1342 } 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1344 return false; 1345 } 1346 1347 private void disconnectService() { 1348 mContainerService = null; 1349 mBound = false; 1350 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1351 mContext.unbindService(mDefContainerConn); 1352 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1353 } 1354 1355 PackageHandler(Looper looper) { 1356 super(looper); 1357 } 1358 1359 public void handleMessage(Message msg) { 1360 try { 1361 doHandleMessage(msg); 1362 } finally { 1363 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1364 } 1365 } 1366 1367 void doHandleMessage(Message msg) { 1368 switch (msg.what) { 1369 case INIT_COPY: { 1370 HandlerParams params = (HandlerParams) msg.obj; 1371 int idx = mPendingInstalls.size(); 1372 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1373 // If a bind was already initiated we dont really 1374 // need to do anything. The pending install 1375 // will be processed later on. 1376 if (!mBound) { 1377 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1378 System.identityHashCode(mHandler)); 1379 // If this is the only one pending we might 1380 // have to bind to the service again. 1381 if (!connectToService()) { 1382 Slog.e(TAG, "Failed to bind to media container service"); 1383 params.serviceError(); 1384 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1385 System.identityHashCode(mHandler)); 1386 if (params.traceMethod != null) { 1387 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1388 params.traceCookie); 1389 } 1390 return; 1391 } else { 1392 // Once we bind to the service, the first 1393 // pending request will be processed. 1394 mPendingInstalls.add(idx, params); 1395 } 1396 } else { 1397 mPendingInstalls.add(idx, params); 1398 // Already bound to the service. Just make 1399 // sure we trigger off processing the first request. 1400 if (idx == 0) { 1401 mHandler.sendEmptyMessage(MCS_BOUND); 1402 } 1403 } 1404 break; 1405 } 1406 case MCS_BOUND: { 1407 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1408 if (msg.obj != null) { 1409 mContainerService = (IMediaContainerService) msg.obj; 1410 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1411 System.identityHashCode(mHandler)); 1412 } 1413 if (mContainerService == null) { 1414 if (!mBound) { 1415 // Something seriously wrong since we are not bound and we are not 1416 // waiting for connection. Bail out. 1417 Slog.e(TAG, "Cannot bind to media container service"); 1418 for (HandlerParams params : mPendingInstalls) { 1419 // Indicate service bind error 1420 params.serviceError(); 1421 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1422 System.identityHashCode(params)); 1423 if (params.traceMethod != null) { 1424 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1425 params.traceMethod, params.traceCookie); 1426 } 1427 return; 1428 } 1429 mPendingInstalls.clear(); 1430 } else { 1431 Slog.w(TAG, "Waiting to connect to media container service"); 1432 } 1433 } else if (mPendingInstalls.size() > 0) { 1434 HandlerParams params = mPendingInstalls.get(0); 1435 if (params != null) { 1436 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1437 System.identityHashCode(params)); 1438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1439 if (params.startCopy()) { 1440 // We are done... look for more work or to 1441 // go idle. 1442 if (DEBUG_SD_INSTALL) Log.i(TAG, 1443 "Checking for more work or unbind..."); 1444 // Delete pending install 1445 if (mPendingInstalls.size() > 0) { 1446 mPendingInstalls.remove(0); 1447 } 1448 if (mPendingInstalls.size() == 0) { 1449 if (mBound) { 1450 if (DEBUG_SD_INSTALL) Log.i(TAG, 1451 "Posting delayed MCS_UNBIND"); 1452 removeMessages(MCS_UNBIND); 1453 Message ubmsg = obtainMessage(MCS_UNBIND); 1454 // Unbind after a little delay, to avoid 1455 // continual thrashing. 1456 sendMessageDelayed(ubmsg, 10000); 1457 } 1458 } else { 1459 // There are more pending requests in queue. 1460 // Just post MCS_BOUND message to trigger processing 1461 // of next pending install. 1462 if (DEBUG_SD_INSTALL) Log.i(TAG, 1463 "Posting MCS_BOUND for next work"); 1464 mHandler.sendEmptyMessage(MCS_BOUND); 1465 } 1466 } 1467 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1468 } 1469 } else { 1470 // Should never happen ideally. 1471 Slog.w(TAG, "Empty queue"); 1472 } 1473 break; 1474 } 1475 case MCS_RECONNECT: { 1476 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1477 if (mPendingInstalls.size() > 0) { 1478 if (mBound) { 1479 disconnectService(); 1480 } 1481 if (!connectToService()) { 1482 Slog.e(TAG, "Failed to bind to media container service"); 1483 for (HandlerParams params : mPendingInstalls) { 1484 // Indicate service bind error 1485 params.serviceError(); 1486 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1487 System.identityHashCode(params)); 1488 } 1489 mPendingInstalls.clear(); 1490 } 1491 } 1492 break; 1493 } 1494 case MCS_UNBIND: { 1495 // If there is no actual work left, then time to unbind. 1496 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1497 1498 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1499 if (mBound) { 1500 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1501 1502 disconnectService(); 1503 } 1504 } else if (mPendingInstalls.size() > 0) { 1505 // There are more pending requests in queue. 1506 // Just post MCS_BOUND message to trigger processing 1507 // of next pending install. 1508 mHandler.sendEmptyMessage(MCS_BOUND); 1509 } 1510 1511 break; 1512 } 1513 case MCS_GIVE_UP: { 1514 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1515 HandlerParams params = mPendingInstalls.remove(0); 1516 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1517 System.identityHashCode(params)); 1518 break; 1519 } 1520 case SEND_PENDING_BROADCAST: { 1521 String packages[]; 1522 ArrayList<String> components[]; 1523 int size = 0; 1524 int uids[]; 1525 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1526 synchronized (mPackages) { 1527 if (mPendingBroadcasts == null) { 1528 return; 1529 } 1530 size = mPendingBroadcasts.size(); 1531 if (size <= 0) { 1532 // Nothing to be done. Just return 1533 return; 1534 } 1535 packages = new String[size]; 1536 components = new ArrayList[size]; 1537 uids = new int[size]; 1538 int i = 0; // filling out the above arrays 1539 1540 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1541 int packageUserId = mPendingBroadcasts.userIdAt(n); 1542 Iterator<Map.Entry<String, ArrayList<String>>> it 1543 = mPendingBroadcasts.packagesForUserId(packageUserId) 1544 .entrySet().iterator(); 1545 while (it.hasNext() && i < size) { 1546 Map.Entry<String, ArrayList<String>> ent = it.next(); 1547 packages[i] = ent.getKey(); 1548 components[i] = ent.getValue(); 1549 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1550 uids[i] = (ps != null) 1551 ? UserHandle.getUid(packageUserId, ps.appId) 1552 : -1; 1553 i++; 1554 } 1555 } 1556 size = i; 1557 mPendingBroadcasts.clear(); 1558 } 1559 // Send broadcasts 1560 for (int i = 0; i < size; i++) { 1561 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1562 } 1563 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1564 break; 1565 } 1566 case START_CLEANING_PACKAGE: { 1567 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1568 final String packageName = (String)msg.obj; 1569 final int userId = msg.arg1; 1570 final boolean andCode = msg.arg2 != 0; 1571 synchronized (mPackages) { 1572 if (userId == UserHandle.USER_ALL) { 1573 int[] users = sUserManager.getUserIds(); 1574 for (int user : users) { 1575 mSettings.addPackageToCleanLPw( 1576 new PackageCleanItem(user, packageName, andCode)); 1577 } 1578 } else { 1579 mSettings.addPackageToCleanLPw( 1580 new PackageCleanItem(userId, packageName, andCode)); 1581 } 1582 } 1583 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1584 startCleaningPackages(); 1585 } break; 1586 case POST_INSTALL: { 1587 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1588 1589 PostInstallData data = mRunningInstalls.get(msg.arg1); 1590 final boolean didRestore = (msg.arg2 != 0); 1591 mRunningInstalls.delete(msg.arg1); 1592 1593 if (data != null) { 1594 InstallArgs args = data.args; 1595 PackageInstalledInfo parentRes = data.res; 1596 1597 final boolean grantPermissions = (args.installFlags 1598 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1599 final boolean killApp = (args.installFlags 1600 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1601 final String[] grantedPermissions = args.installGrantPermissions; 1602 1603 // Handle the parent package 1604 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1605 grantedPermissions, didRestore, args.installerPackageName, 1606 args.observer); 1607 1608 // Handle the child packages 1609 final int childCount = (parentRes.addedChildPackages != null) 1610 ? parentRes.addedChildPackages.size() : 0; 1611 for (int i = 0; i < childCount; i++) { 1612 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1613 handlePackagePostInstall(childRes, grantPermissions, killApp, 1614 grantedPermissions, false, args.installerPackageName, 1615 args.observer); 1616 } 1617 1618 // Log tracing if needed 1619 if (args.traceMethod != null) { 1620 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1621 args.traceCookie); 1622 } 1623 } else { 1624 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1625 } 1626 1627 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1628 } break; 1629 case UPDATED_MEDIA_STATUS: { 1630 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1631 boolean reportStatus = msg.arg1 == 1; 1632 boolean doGc = msg.arg2 == 1; 1633 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1634 if (doGc) { 1635 // Force a gc to clear up stale containers. 1636 Runtime.getRuntime().gc(); 1637 } 1638 if (msg.obj != null) { 1639 @SuppressWarnings("unchecked") 1640 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1641 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1642 // Unload containers 1643 unloadAllContainers(args); 1644 } 1645 if (reportStatus) { 1646 try { 1647 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1648 PackageHelper.getMountService().finishMediaUpdate(); 1649 } catch (RemoteException e) { 1650 Log.e(TAG, "MountService not running?"); 1651 } 1652 } 1653 } break; 1654 case WRITE_SETTINGS: { 1655 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1656 synchronized (mPackages) { 1657 removeMessages(WRITE_SETTINGS); 1658 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1659 mSettings.writeLPr(); 1660 mDirtyUsers.clear(); 1661 } 1662 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1663 } break; 1664 case WRITE_PACKAGE_RESTRICTIONS: { 1665 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1666 synchronized (mPackages) { 1667 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1668 for (int userId : mDirtyUsers) { 1669 mSettings.writePackageRestrictionsLPr(userId); 1670 } 1671 mDirtyUsers.clear(); 1672 } 1673 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1674 } break; 1675 case WRITE_PACKAGE_LIST: { 1676 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1677 synchronized (mPackages) { 1678 removeMessages(WRITE_PACKAGE_LIST); 1679 mSettings.writePackageListLPr(msg.arg1); 1680 } 1681 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1682 } break; 1683 case CHECK_PENDING_VERIFICATION: { 1684 final int verificationId = msg.arg1; 1685 final PackageVerificationState state = mPendingVerification.get(verificationId); 1686 1687 if ((state != null) && !state.timeoutExtended()) { 1688 final InstallArgs args = state.getInstallArgs(); 1689 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1690 1691 Slog.i(TAG, "Verification timed out for " + originUri); 1692 mPendingVerification.remove(verificationId); 1693 1694 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1695 1696 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1697 Slog.i(TAG, "Continuing with installation of " + originUri); 1698 state.setVerifierResponse(Binder.getCallingUid(), 1699 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1700 broadcastPackageVerified(verificationId, originUri, 1701 PackageManager.VERIFICATION_ALLOW, 1702 state.getInstallArgs().getUser()); 1703 try { 1704 ret = args.copyApk(mContainerService, true); 1705 } catch (RemoteException e) { 1706 Slog.e(TAG, "Could not contact the ContainerService"); 1707 } 1708 } else { 1709 broadcastPackageVerified(verificationId, originUri, 1710 PackageManager.VERIFICATION_REJECT, 1711 state.getInstallArgs().getUser()); 1712 } 1713 1714 Trace.asyncTraceEnd( 1715 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1716 1717 processPendingInstall(args, ret); 1718 mHandler.sendEmptyMessage(MCS_UNBIND); 1719 } 1720 break; 1721 } 1722 case PACKAGE_VERIFIED: { 1723 final int verificationId = msg.arg1; 1724 1725 final PackageVerificationState state = mPendingVerification.get(verificationId); 1726 if (state == null) { 1727 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1728 break; 1729 } 1730 1731 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1732 1733 state.setVerifierResponse(response.callerUid, response.code); 1734 1735 if (state.isVerificationComplete()) { 1736 mPendingVerification.remove(verificationId); 1737 1738 final InstallArgs args = state.getInstallArgs(); 1739 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1740 1741 int ret; 1742 if (state.isInstallAllowed()) { 1743 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1744 broadcastPackageVerified(verificationId, originUri, 1745 response.code, state.getInstallArgs().getUser()); 1746 try { 1747 ret = args.copyApk(mContainerService, true); 1748 } catch (RemoteException e) { 1749 Slog.e(TAG, "Could not contact the ContainerService"); 1750 } 1751 } else { 1752 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1753 } 1754 1755 Trace.asyncTraceEnd( 1756 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1757 1758 processPendingInstall(args, ret); 1759 mHandler.sendEmptyMessage(MCS_UNBIND); 1760 } 1761 1762 break; 1763 } 1764 case START_INTENT_FILTER_VERIFICATIONS: { 1765 IFVerificationParams params = (IFVerificationParams) msg.obj; 1766 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1767 params.replacing, params.pkg); 1768 break; 1769 } 1770 case INTENT_FILTER_VERIFIED: { 1771 final int verificationId = msg.arg1; 1772 1773 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1774 verificationId); 1775 if (state == null) { 1776 Slog.w(TAG, "Invalid IntentFilter verification token " 1777 + verificationId + " received"); 1778 break; 1779 } 1780 1781 final int userId = state.getUserId(); 1782 1783 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1784 "Processing IntentFilter verification with token:" 1785 + verificationId + " and userId:" + userId); 1786 1787 final IntentFilterVerificationResponse response = 1788 (IntentFilterVerificationResponse) msg.obj; 1789 1790 state.setVerifierResponse(response.callerUid, response.code); 1791 1792 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1793 "IntentFilter verification with token:" + verificationId 1794 + " and userId:" + userId 1795 + " is settings verifier response with response code:" 1796 + response.code); 1797 1798 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1799 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1800 + response.getFailedDomainsString()); 1801 } 1802 1803 if (state.isVerificationComplete()) { 1804 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1805 } else { 1806 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1807 "IntentFilter verification with token:" + verificationId 1808 + " was not said to be complete"); 1809 } 1810 1811 break; 1812 } 1813 } 1814 } 1815 } 1816 1817 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1818 boolean killApp, String[] grantedPermissions, 1819 boolean launchedForRestore, String installerPackage, 1820 IPackageInstallObserver2 installObserver) { 1821 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1822 // Send the removed broadcasts 1823 if (res.removedInfo != null) { 1824 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1825 } 1826 1827 // Now that we successfully installed the package, grant runtime 1828 // permissions if requested before broadcasting the install. 1829 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1830 >= Build.VERSION_CODES.M) { 1831 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1832 } 1833 1834 final boolean update = res.removedInfo != null 1835 && res.removedInfo.removedPackage != null; 1836 1837 // If this is the first time we have child packages for a disabled privileged 1838 // app that had no children, we grant requested runtime permissions to the new 1839 // children if the parent on the system image had them already granted. 1840 if (res.pkg.parentPackage != null) { 1841 synchronized (mPackages) { 1842 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1843 } 1844 } 1845 1846 synchronized (mPackages) { 1847 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1848 } 1849 1850 final String packageName = res.pkg.applicationInfo.packageName; 1851 Bundle extras = new Bundle(1); 1852 extras.putInt(Intent.EXTRA_UID, res.uid); 1853 1854 // Determine the set of users who are adding this package for 1855 // the first time vs. those who are seeing an update. 1856 int[] firstUsers = EMPTY_INT_ARRAY; 1857 int[] updateUsers = EMPTY_INT_ARRAY; 1858 if (res.origUsers == null || res.origUsers.length == 0) { 1859 firstUsers = res.newUsers; 1860 } else { 1861 for (int newUser : res.newUsers) { 1862 boolean isNew = true; 1863 for (int origUser : res.origUsers) { 1864 if (origUser == newUser) { 1865 isNew = false; 1866 break; 1867 } 1868 } 1869 if (isNew) { 1870 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1871 } else { 1872 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1873 } 1874 } 1875 } 1876 1877 // Send installed broadcasts if the install/update is not ephemeral 1878 if (!isEphemeral(res.pkg)) { 1879 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1880 1881 // Send added for users that see the package for the first time 1882 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1883 extras, 0 /*flags*/, null /*targetPackage*/, 1884 null /*finishedReceiver*/, firstUsers); 1885 1886 // Send added for users that don't see the package for the first time 1887 if (update) { 1888 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1889 } 1890 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1891 extras, 0 /*flags*/, null /*targetPackage*/, 1892 null /*finishedReceiver*/, updateUsers); 1893 1894 // Send replaced for users that don't see the package for the first time 1895 if (update) { 1896 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1897 packageName, extras, 0 /*flags*/, 1898 null /*targetPackage*/, null /*finishedReceiver*/, 1899 updateUsers); 1900 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1901 null /*package*/, null /*extras*/, 0 /*flags*/, 1902 packageName /*targetPackage*/, 1903 null /*finishedReceiver*/, updateUsers); 1904 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1905 // First-install and we did a restore, so we're responsible for the 1906 // first-launch broadcast. 1907 if (DEBUG_BACKUP) { 1908 Slog.i(TAG, "Post-restore of " + packageName 1909 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1910 } 1911 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1912 } 1913 1914 // Send broadcast package appeared if forward locked/external for all users 1915 // treat asec-hosted packages like removable media on upgrade 1916 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1917 if (DEBUG_INSTALL) { 1918 Slog.i(TAG, "upgrading pkg " + res.pkg 1919 + " is ASEC-hosted -> AVAILABLE"); 1920 } 1921 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1922 ArrayList<String> pkgList = new ArrayList<>(1); 1923 pkgList.add(packageName); 1924 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1925 } 1926 } 1927 1928 // Work that needs to happen on first install within each user 1929 if (firstUsers != null && firstUsers.length > 0) { 1930 synchronized (mPackages) { 1931 for (int userId : firstUsers) { 1932 // If this app is a browser and it's newly-installed for some 1933 // users, clear any default-browser state in those users. The 1934 // app's nature doesn't depend on the user, so we can just check 1935 // its browser nature in any user and generalize. 1936 if (packageIsBrowser(packageName, userId)) { 1937 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1938 } 1939 1940 // We may also need to apply pending (restored) runtime 1941 // permission grants within these users. 1942 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1943 } 1944 } 1945 } 1946 1947 // Log current value of "unknown sources" setting 1948 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1949 getUnknownSourcesSettings()); 1950 1951 // Force a gc to clear up things 1952 Runtime.getRuntime().gc(); 1953 1954 // Remove the replaced package's older resources safely now 1955 // We delete after a gc for applications on sdcard. 1956 if (res.removedInfo != null && res.removedInfo.args != null) { 1957 synchronized (mInstallLock) { 1958 res.removedInfo.args.doPostDeleteLI(true); 1959 } 1960 } 1961 } 1962 1963 // If someone is watching installs - notify them 1964 if (installObserver != null) { 1965 try { 1966 Bundle extras = extrasForInstallResult(res); 1967 installObserver.onPackageInstalled(res.name, res.returnCode, 1968 res.returnMsg, extras); 1969 } catch (RemoteException e) { 1970 Slog.i(TAG, "Observer no longer exists."); 1971 } 1972 } 1973 } 1974 1975 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1976 PackageParser.Package pkg) { 1977 if (pkg.parentPackage == null) { 1978 return; 1979 } 1980 if (pkg.requestedPermissions == null) { 1981 return; 1982 } 1983 final PackageSetting disabledSysParentPs = mSettings 1984 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1985 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1986 || !disabledSysParentPs.isPrivileged() 1987 || (disabledSysParentPs.childPackageNames != null 1988 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1989 return; 1990 } 1991 final int[] allUserIds = sUserManager.getUserIds(); 1992 final int permCount = pkg.requestedPermissions.size(); 1993 for (int i = 0; i < permCount; i++) { 1994 String permission = pkg.requestedPermissions.get(i); 1995 BasePermission bp = mSettings.mPermissions.get(permission); 1996 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1997 continue; 1998 } 1999 for (int userId : allUserIds) { 2000 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2001 permission, userId)) { 2002 grantRuntimePermission(pkg.packageName, permission, userId); 2003 } 2004 } 2005 } 2006 } 2007 2008 private StorageEventListener mStorageListener = new StorageEventListener() { 2009 @Override 2010 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2011 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2012 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2013 final String volumeUuid = vol.getFsUuid(); 2014 2015 // Clean up any users or apps that were removed or recreated 2016 // while this volume was missing 2017 reconcileUsers(volumeUuid); 2018 reconcileApps(volumeUuid); 2019 2020 // Clean up any install sessions that expired or were 2021 // cancelled while this volume was missing 2022 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2023 2024 loadPrivatePackages(vol); 2025 2026 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2027 unloadPrivatePackages(vol); 2028 } 2029 } 2030 2031 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2032 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2033 updateExternalMediaStatus(true, false); 2034 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2035 updateExternalMediaStatus(false, false); 2036 } 2037 } 2038 } 2039 2040 @Override 2041 public void onVolumeForgotten(String fsUuid) { 2042 if (TextUtils.isEmpty(fsUuid)) { 2043 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2044 return; 2045 } 2046 2047 // Remove any apps installed on the forgotten volume 2048 synchronized (mPackages) { 2049 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2050 for (PackageSetting ps : packages) { 2051 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2052 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2053 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2054 } 2055 2056 mSettings.onVolumeForgotten(fsUuid); 2057 mSettings.writeLPr(); 2058 } 2059 } 2060 }; 2061 2062 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2063 String[] grantedPermissions) { 2064 for (int userId : userIds) { 2065 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2066 } 2067 2068 // We could have touched GID membership, so flush out packages.list 2069 synchronized (mPackages) { 2070 mSettings.writePackageListLPr(); 2071 } 2072 } 2073 2074 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2075 String[] grantedPermissions) { 2076 SettingBase sb = (SettingBase) pkg.mExtras; 2077 if (sb == null) { 2078 return; 2079 } 2080 2081 PermissionsState permissionsState = sb.getPermissionsState(); 2082 2083 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2084 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2085 2086 for (String permission : pkg.requestedPermissions) { 2087 final BasePermission bp; 2088 synchronized (mPackages) { 2089 bp = mSettings.mPermissions.get(permission); 2090 } 2091 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2092 && (grantedPermissions == null 2093 || ArrayUtils.contains(grantedPermissions, permission))) { 2094 final int flags = permissionsState.getPermissionFlags(permission, userId); 2095 // Installer cannot change immutable permissions. 2096 if ((flags & immutableFlags) == 0) { 2097 grantRuntimePermission(pkg.packageName, permission, userId); 2098 } 2099 } 2100 } 2101 } 2102 2103 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2104 Bundle extras = null; 2105 switch (res.returnCode) { 2106 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2107 extras = new Bundle(); 2108 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2109 res.origPermission); 2110 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2111 res.origPackage); 2112 break; 2113 } 2114 case PackageManager.INSTALL_SUCCEEDED: { 2115 extras = new Bundle(); 2116 extras.putBoolean(Intent.EXTRA_REPLACING, 2117 res.removedInfo != null && res.removedInfo.removedPackage != null); 2118 break; 2119 } 2120 } 2121 return extras; 2122 } 2123 2124 void scheduleWriteSettingsLocked() { 2125 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2126 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2127 } 2128 } 2129 2130 void scheduleWritePackageListLocked(int userId) { 2131 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2132 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2133 msg.arg1 = userId; 2134 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2135 } 2136 } 2137 2138 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2139 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2140 scheduleWritePackageRestrictionsLocked(userId); 2141 } 2142 2143 void scheduleWritePackageRestrictionsLocked(int userId) { 2144 final int[] userIds = (userId == UserHandle.USER_ALL) 2145 ? sUserManager.getUserIds() : new int[]{userId}; 2146 for (int nextUserId : userIds) { 2147 if (!sUserManager.exists(nextUserId)) return; 2148 mDirtyUsers.add(nextUserId); 2149 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2150 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2151 } 2152 } 2153 } 2154 2155 public static PackageManagerService main(Context context, Installer installer, 2156 boolean factoryTest, boolean onlyCore) { 2157 // Self-check for initial settings. 2158 PackageManagerServiceCompilerMapping.checkProperties(); 2159 2160 PackageManagerService m = new PackageManagerService(context, installer, 2161 factoryTest, onlyCore); 2162 m.enableSystemUserPackages(); 2163 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2164 // disabled after already being started. 2165 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2166 UserHandle.USER_SYSTEM); 2167 ServiceManager.addService("package", m); 2168 return m; 2169 } 2170 2171 private void enableSystemUserPackages() { 2172 if (!UserManager.isSplitSystemUser()) { 2173 return; 2174 } 2175 // For system user, enable apps based on the following conditions: 2176 // - app is whitelisted or belong to one of these groups: 2177 // -- system app which has no launcher icons 2178 // -- system app which has INTERACT_ACROSS_USERS permission 2179 // -- system IME app 2180 // - app is not in the blacklist 2181 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2182 Set<String> enableApps = new ArraySet<>(); 2183 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2184 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2185 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2186 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2187 enableApps.addAll(wlApps); 2188 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2189 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2190 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2191 enableApps.removeAll(blApps); 2192 Log.i(TAG, "Applications installed for system user: " + enableApps); 2193 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2194 UserHandle.SYSTEM); 2195 final int allAppsSize = allAps.size(); 2196 synchronized (mPackages) { 2197 for (int i = 0; i < allAppsSize; i++) { 2198 String pName = allAps.get(i); 2199 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2200 // Should not happen, but we shouldn't be failing if it does 2201 if (pkgSetting == null) { 2202 continue; 2203 } 2204 boolean install = enableApps.contains(pName); 2205 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2206 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2207 + " for system user"); 2208 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2209 } 2210 } 2211 } 2212 } 2213 2214 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2215 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2216 Context.DISPLAY_SERVICE); 2217 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2218 } 2219 2220 public PackageManagerService(Context context, Installer installer, 2221 boolean factoryTest, boolean onlyCore) { 2222 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2223 SystemClock.uptimeMillis()); 2224 2225 if (mSdkVersion <= 0) { 2226 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2227 } 2228 2229 mContext = context; 2230 mFactoryTest = factoryTest; 2231 mOnlyCore = onlyCore; 2232 mMetrics = new DisplayMetrics(); 2233 mSettings = new Settings(mPackages); 2234 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2235 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2236 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2237 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2238 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2239 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2240 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2241 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2242 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2243 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2244 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2245 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2246 2247 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2248 if (separateProcesses != null && separateProcesses.length() > 0) { 2249 if ("*".equals(separateProcesses)) { 2250 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2251 mSeparateProcesses = null; 2252 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2253 } else { 2254 mDefParseFlags = 0; 2255 mSeparateProcesses = separateProcesses.split(","); 2256 Slog.w(TAG, "Running with debug.separate_processes: " 2257 + separateProcesses); 2258 } 2259 } else { 2260 mDefParseFlags = 0; 2261 mSeparateProcesses = null; 2262 } 2263 2264 mInstaller = installer; 2265 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2266 "*dexopt*"); 2267 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2268 2269 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2270 FgThread.get().getLooper()); 2271 2272 getDefaultDisplayMetrics(context, mMetrics); 2273 2274 SystemConfig systemConfig = SystemConfig.getInstance(); 2275 mGlobalGids = systemConfig.getGlobalGids(); 2276 mSystemPermissions = systemConfig.getSystemPermissions(); 2277 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2278 2279 synchronized (mInstallLock) { 2280 // writer 2281 synchronized (mPackages) { 2282 mHandlerThread = new ServiceThread(TAG, 2283 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2284 mHandlerThread.start(); 2285 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2286 mProcessLoggingHandler = new ProcessLoggingHandler(); 2287 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2288 2289 File dataDir = Environment.getDataDirectory(); 2290 mAppInstallDir = new File(dataDir, "app"); 2291 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2292 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2293 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2294 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2295 2296 sUserManager = new UserManagerService(context, this, mPackages); 2297 2298 // Propagate permission configuration in to package manager. 2299 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2300 = systemConfig.getPermissions(); 2301 for (int i=0; i<permConfig.size(); i++) { 2302 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2303 BasePermission bp = mSettings.mPermissions.get(perm.name); 2304 if (bp == null) { 2305 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2306 mSettings.mPermissions.put(perm.name, bp); 2307 } 2308 if (perm.gids != null) { 2309 bp.setGids(perm.gids, perm.perUser); 2310 } 2311 } 2312 2313 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2314 for (int i=0; i<libConfig.size(); i++) { 2315 mSharedLibraries.put(libConfig.keyAt(i), 2316 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2317 } 2318 2319 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2320 2321 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2322 2323 String customResolverActivity = Resources.getSystem().getString( 2324 R.string.config_customResolverActivity); 2325 if (TextUtils.isEmpty(customResolverActivity)) { 2326 customResolverActivity = null; 2327 } else { 2328 mCustomResolverComponentName = ComponentName.unflattenFromString( 2329 customResolverActivity); 2330 } 2331 2332 long startTime = SystemClock.uptimeMillis(); 2333 2334 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2335 startTime); 2336 2337 // Set flag to monitor and not change apk file paths when 2338 // scanning install directories. 2339 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2340 2341 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2342 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2343 2344 if (bootClassPath == null) { 2345 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2346 } 2347 2348 if (systemServerClassPath == null) { 2349 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2350 } 2351 2352 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2353 final String[] dexCodeInstructionSets = 2354 getDexCodeInstructionSets( 2355 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2356 2357 /** 2358 * Ensure all external libraries have had dexopt run on them. 2359 */ 2360 if (mSharedLibraries.size() > 0) { 2361 // NOTE: For now, we're compiling these system "shared libraries" 2362 // (and framework jars) into all available architectures. It's possible 2363 // to compile them only when we come across an app that uses them (there's 2364 // already logic for that in scanPackageLI) but that adds some complexity. 2365 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2366 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2367 final String lib = libEntry.path; 2368 if (lib == null) { 2369 continue; 2370 } 2371 2372 try { 2373 // Shared libraries do not have profiles so we perform a full 2374 // AOT compilation (if needed). 2375 int dexoptNeeded = DexFile.getDexOptNeeded( 2376 lib, dexCodeInstructionSet, 2377 getCompilerFilterForReason(REASON_SHARED_APK), 2378 false /* newProfile */); 2379 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2380 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2381 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2382 getCompilerFilterForReason(REASON_SHARED_APK), 2383 StorageManager.UUID_PRIVATE_INTERNAL, 2384 SKIP_SHARED_LIBRARY_CHECK); 2385 } 2386 } catch (FileNotFoundException e) { 2387 Slog.w(TAG, "Library not found: " + lib); 2388 } catch (IOException | InstallerException e) { 2389 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2390 + e.getMessage()); 2391 } 2392 } 2393 } 2394 } 2395 2396 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2397 2398 final VersionInfo ver = mSettings.getInternalVersion(); 2399 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2400 2401 // when upgrading from pre-M, promote system app permissions from install to runtime 2402 mPromoteSystemApps = 2403 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2404 2405 // When upgrading from pre-N, we need to handle package extraction like first boot, 2406 // as there is no profiling data available. 2407 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2408 2409 // save off the names of pre-existing system packages prior to scanning; we don't 2410 // want to automatically grant runtime permissions for new system apps 2411 if (mPromoteSystemApps) { 2412 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2413 while (pkgSettingIter.hasNext()) { 2414 PackageSetting ps = pkgSettingIter.next(); 2415 if (isSystemApp(ps)) { 2416 mExistingSystemPackages.add(ps.name); 2417 } 2418 } 2419 } 2420 2421 // Collect vendor overlay packages. 2422 // (Do this before scanning any apps.) 2423 // For security and version matching reason, only consider 2424 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2425 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2426 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2427 | PackageParser.PARSE_IS_SYSTEM 2428 | PackageParser.PARSE_IS_SYSTEM_DIR 2429 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2430 2431 // Find base frameworks (resource packages without code). 2432 scanDirTracedLI(frameworkDir, mDefParseFlags 2433 | PackageParser.PARSE_IS_SYSTEM 2434 | PackageParser.PARSE_IS_SYSTEM_DIR 2435 | PackageParser.PARSE_IS_PRIVILEGED, 2436 scanFlags | SCAN_NO_DEX, 0); 2437 2438 // Collected privileged system packages. 2439 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2440 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2441 | PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR 2443 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2444 2445 // Collect ordinary system packages. 2446 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2447 scanDirTracedLI(systemAppDir, mDefParseFlags 2448 | PackageParser.PARSE_IS_SYSTEM 2449 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2450 2451 // Collect all vendor packages. 2452 File vendorAppDir = new File("/vendor/app"); 2453 try { 2454 vendorAppDir = vendorAppDir.getCanonicalFile(); 2455 } catch (IOException e) { 2456 // failed to look up canonical path, continue with original one 2457 } 2458 scanDirTracedLI(vendorAppDir, mDefParseFlags 2459 | PackageParser.PARSE_IS_SYSTEM 2460 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2461 2462 // Collect all OEM packages. 2463 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2464 scanDirTracedLI(oemAppDir, mDefParseFlags 2465 | PackageParser.PARSE_IS_SYSTEM 2466 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2467 2468 // Prune any system packages that no longer exist. 2469 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2470 if (!mOnlyCore) { 2471 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2472 while (psit.hasNext()) { 2473 PackageSetting ps = psit.next(); 2474 2475 /* 2476 * If this is not a system app, it can't be a 2477 * disable system app. 2478 */ 2479 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2480 continue; 2481 } 2482 2483 /* 2484 * If the package is scanned, it's not erased. 2485 */ 2486 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2487 if (scannedPkg != null) { 2488 /* 2489 * If the system app is both scanned and in the 2490 * disabled packages list, then it must have been 2491 * added via OTA. Remove it from the currently 2492 * scanned package so the previously user-installed 2493 * application can be scanned. 2494 */ 2495 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2496 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2497 + ps.name + "; removing system app. Last known codePath=" 2498 + ps.codePathString + ", installStatus=" + ps.installStatus 2499 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2500 + scannedPkg.mVersionCode); 2501 removePackageLI(scannedPkg, true); 2502 mExpectingBetter.put(ps.name, ps.codePath); 2503 } 2504 2505 continue; 2506 } 2507 2508 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2509 psit.remove(); 2510 logCriticalInfo(Log.WARN, "System package " + ps.name 2511 + " no longer exists; it's data will be wiped"); 2512 // Actual deletion of code and data will be handled by later 2513 // reconciliation step 2514 } else { 2515 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2516 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2517 possiblyDeletedUpdatedSystemApps.add(ps.name); 2518 } 2519 } 2520 } 2521 } 2522 2523 //look for any incomplete package installations 2524 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2525 for (int i = 0; i < deletePkgsList.size(); i++) { 2526 // Actual deletion of code and data will be handled by later 2527 // reconciliation step 2528 final String packageName = deletePkgsList.get(i).name; 2529 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2530 synchronized (mPackages) { 2531 mSettings.removePackageLPw(packageName); 2532 } 2533 } 2534 2535 //delete tmp files 2536 deleteTempPackageFiles(); 2537 2538 // Remove any shared userIDs that have no associated packages 2539 mSettings.pruneSharedUsersLPw(); 2540 2541 if (!mOnlyCore) { 2542 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2543 SystemClock.uptimeMillis()); 2544 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2545 2546 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2547 | PackageParser.PARSE_FORWARD_LOCK, 2548 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2549 2550 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2551 | PackageParser.PARSE_IS_EPHEMERAL, 2552 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2553 2554 /** 2555 * Remove disable package settings for any updated system 2556 * apps that were removed via an OTA. If they're not a 2557 * previously-updated app, remove them completely. 2558 * Otherwise, just revoke their system-level permissions. 2559 */ 2560 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2561 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2562 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2563 2564 String msg; 2565 if (deletedPkg == null) { 2566 msg = "Updated system package " + deletedAppName 2567 + " no longer exists; it's data will be wiped"; 2568 // Actual deletion of code and data will be handled by later 2569 // reconciliation step 2570 } else { 2571 msg = "Updated system app + " + deletedAppName 2572 + " no longer present; removing system privileges for " 2573 + deletedAppName; 2574 2575 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2576 2577 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2578 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2579 } 2580 logCriticalInfo(Log.WARN, msg); 2581 } 2582 2583 /** 2584 * Make sure all system apps that we expected to appear on 2585 * the userdata partition actually showed up. If they never 2586 * appeared, crawl back and revive the system version. 2587 */ 2588 for (int i = 0; i < mExpectingBetter.size(); i++) { 2589 final String packageName = mExpectingBetter.keyAt(i); 2590 if (!mPackages.containsKey(packageName)) { 2591 final File scanFile = mExpectingBetter.valueAt(i); 2592 2593 logCriticalInfo(Log.WARN, "Expected better " + packageName 2594 + " but never showed up; reverting to system"); 2595 2596 int reparseFlags = mDefParseFlags; 2597 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2598 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2599 | PackageParser.PARSE_IS_SYSTEM_DIR 2600 | PackageParser.PARSE_IS_PRIVILEGED; 2601 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2602 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2603 | PackageParser.PARSE_IS_SYSTEM_DIR; 2604 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2605 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2606 | PackageParser.PARSE_IS_SYSTEM_DIR; 2607 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2608 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2609 | PackageParser.PARSE_IS_SYSTEM_DIR; 2610 } else { 2611 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2612 continue; 2613 } 2614 2615 mSettings.enableSystemPackageLPw(packageName); 2616 2617 try { 2618 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2619 } catch (PackageManagerException e) { 2620 Slog.e(TAG, "Failed to parse original system package: " 2621 + e.getMessage()); 2622 } 2623 } 2624 } 2625 } 2626 mExpectingBetter.clear(); 2627 2628 // Resolve protected action filters. Only the setup wizard is allowed to 2629 // have a high priority filter for these actions. 2630 mSetupWizardPackage = getSetupWizardPackageName(); 2631 if (mProtectedFilters.size() > 0) { 2632 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2633 Slog.i(TAG, "No setup wizard;" 2634 + " All protected intents capped to priority 0"); 2635 } 2636 for (ActivityIntentInfo filter : mProtectedFilters) { 2637 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2638 if (DEBUG_FILTERS) { 2639 Slog.i(TAG, "Found setup wizard;" 2640 + " allow priority " + filter.getPriority() + ";" 2641 + " package: " + filter.activity.info.packageName 2642 + " activity: " + filter.activity.className 2643 + " priority: " + filter.getPriority()); 2644 } 2645 // skip setup wizard; allow it to keep the high priority filter 2646 continue; 2647 } 2648 Slog.w(TAG, "Protected action; cap priority to 0;" 2649 + " package: " + filter.activity.info.packageName 2650 + " activity: " + filter.activity.className 2651 + " origPrio: " + filter.getPriority()); 2652 filter.setPriority(0); 2653 } 2654 } 2655 mDeferProtectedFilters = false; 2656 mProtectedFilters.clear(); 2657 2658 // Now that we know all of the shared libraries, update all clients to have 2659 // the correct library paths. 2660 updateAllSharedLibrariesLPw(); 2661 2662 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2663 // NOTE: We ignore potential failures here during a system scan (like 2664 // the rest of the commands above) because there's precious little we 2665 // can do about it. A settings error is reported, though. 2666 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2667 false /* boot complete */); 2668 } 2669 2670 // Now that we know all the packages we are keeping, 2671 // read and update their last usage times. 2672 mPackageUsage.readLP(); 2673 2674 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2675 SystemClock.uptimeMillis()); 2676 Slog.i(TAG, "Time to scan packages: " 2677 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2678 + " seconds"); 2679 2680 // If the platform SDK has changed since the last time we booted, 2681 // we need to re-grant app permission to catch any new ones that 2682 // appear. This is really a hack, and means that apps can in some 2683 // cases get permissions that the user didn't initially explicitly 2684 // allow... it would be nice to have some better way to handle 2685 // this situation. 2686 int updateFlags = UPDATE_PERMISSIONS_ALL; 2687 if (ver.sdkVersion != mSdkVersion) { 2688 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2689 + mSdkVersion + "; regranting permissions for internal storage"); 2690 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2691 } 2692 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2693 ver.sdkVersion = mSdkVersion; 2694 2695 // If this is the first boot or an update from pre-M, and it is a normal 2696 // boot, then we need to initialize the default preferred apps across 2697 // all defined users. 2698 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2699 for (UserInfo user : sUserManager.getUsers(true)) { 2700 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2701 applyFactoryDefaultBrowserLPw(user.id); 2702 primeDomainVerificationsLPw(user.id); 2703 } 2704 } 2705 2706 // Prepare storage for system user really early during boot, 2707 // since core system apps like SettingsProvider and SystemUI 2708 // can't wait for user to start 2709 final int storageFlags; 2710 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2711 storageFlags = StorageManager.FLAG_STORAGE_DE; 2712 } else { 2713 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2714 } 2715 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2716 storageFlags); 2717 2718 // If this is first boot after an OTA, and a normal boot, then 2719 // we need to clear code cache directories. 2720 // Note that we do *not* clear the application profiles. These remain valid 2721 // across OTAs and are used to drive profile verification (post OTA) and 2722 // profile compilation (without waiting to collect a fresh set of profiles). 2723 if (mIsUpgrade && !onlyCore) { 2724 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2725 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2726 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2727 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2728 // No apps are running this early, so no need to freeze 2729 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2730 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2731 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2732 } 2733 } 2734 ver.fingerprint = Build.FINGERPRINT; 2735 } 2736 2737 checkDefaultBrowser(); 2738 2739 // clear only after permissions and other defaults have been updated 2740 mExistingSystemPackages.clear(); 2741 mPromoteSystemApps = false; 2742 2743 // All the changes are done during package scanning. 2744 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2745 2746 // can downgrade to reader 2747 mSettings.writeLPr(); 2748 2749 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2750 // early on (before the package manager declares itself as early) because other 2751 // components in the system server might ask for package contexts for these apps. 2752 // 2753 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2754 // (i.e, that the data partition is unavailable). 2755 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2756 long start = System.nanoTime(); 2757 List<PackageParser.Package> coreApps = new ArrayList<>(); 2758 for (PackageParser.Package pkg : mPackages.values()) { 2759 if (pkg.coreApp) { 2760 coreApps.add(pkg); 2761 } 2762 } 2763 2764 int[] stats = performDexOpt(coreApps, false, 2765 getCompilerFilterForReason(REASON_CORE_APP)); 2766 2767 final int elapsedTimeSeconds = 2768 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2769 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2770 2771 if (DEBUG_DEXOPT) { 2772 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2773 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2774 } 2775 2776 2777 // TODO: Should we log these stats to tron too ? 2778 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2779 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2780 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2781 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2782 } 2783 2784 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2785 SystemClock.uptimeMillis()); 2786 2787 if (!mOnlyCore) { 2788 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2789 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2790 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2791 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2792 mIntentFilterVerifierComponent); 2793 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2794 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2795 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2796 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2797 } else { 2798 mRequiredVerifierPackage = null; 2799 mRequiredInstallerPackage = null; 2800 mIntentFilterVerifierComponent = null; 2801 mIntentFilterVerifier = null; 2802 mServicesSystemSharedLibraryPackageName = null; 2803 mSharedSystemSharedLibraryPackageName = null; 2804 } 2805 2806 mInstallerService = new PackageInstallerService(context, this); 2807 2808 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2809 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2810 // both the installer and resolver must be present to enable ephemeral 2811 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2812 if (DEBUG_EPHEMERAL) { 2813 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2814 + " installer:" + ephemeralInstallerComponent); 2815 } 2816 mEphemeralResolverComponent = ephemeralResolverComponent; 2817 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2818 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2819 mEphemeralResolverConnection = 2820 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2821 } else { 2822 if (DEBUG_EPHEMERAL) { 2823 final String missingComponent = 2824 (ephemeralResolverComponent == null) 2825 ? (ephemeralInstallerComponent == null) 2826 ? "resolver and installer" 2827 : "resolver" 2828 : "installer"; 2829 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2830 } 2831 mEphemeralResolverComponent = null; 2832 mEphemeralInstallerComponent = null; 2833 mEphemeralResolverConnection = null; 2834 } 2835 2836 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2837 } // synchronized (mPackages) 2838 } // synchronized (mInstallLock) 2839 2840 // Now after opening every single application zip, make sure they 2841 // are all flushed. Not really needed, but keeps things nice and 2842 // tidy. 2843 Runtime.getRuntime().gc(); 2844 2845 // The initial scanning above does many calls into installd while 2846 // holding the mPackages lock, but we're mostly interested in yelling 2847 // once we have a booted system. 2848 mInstaller.setWarnIfHeld(mPackages); 2849 2850 // Expose private service for system components to use. 2851 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2852 } 2853 2854 @Override 2855 public boolean isFirstBoot() { 2856 return !mRestoredSettings; 2857 } 2858 2859 @Override 2860 public boolean isOnlyCoreApps() { 2861 return mOnlyCore; 2862 } 2863 2864 @Override 2865 public boolean isUpgrade() { 2866 return mIsUpgrade; 2867 } 2868 2869 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2870 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2871 2872 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2873 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2874 UserHandle.USER_SYSTEM); 2875 if (matches.size() == 1) { 2876 return matches.get(0).getComponentInfo().packageName; 2877 } else { 2878 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2879 return null; 2880 } 2881 } 2882 2883 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2884 synchronized (mPackages) { 2885 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2886 if (libraryEntry == null) { 2887 throw new IllegalStateException("Missing required shared library:" + libraryName); 2888 } 2889 return libraryEntry.apk; 2890 } 2891 } 2892 2893 private @NonNull String getRequiredInstallerLPr() { 2894 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2895 intent.addCategory(Intent.CATEGORY_DEFAULT); 2896 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2897 2898 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2899 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2900 UserHandle.USER_SYSTEM); 2901 if (matches.size() == 1) { 2902 ResolveInfo resolveInfo = matches.get(0); 2903 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2904 throw new RuntimeException("The installer must be a privileged app"); 2905 } 2906 return matches.get(0).getComponentInfo().packageName; 2907 } else { 2908 throw new RuntimeException("There must be exactly one installer; found " + matches); 2909 } 2910 } 2911 2912 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2913 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2914 2915 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2916 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2917 UserHandle.USER_SYSTEM); 2918 ResolveInfo best = null; 2919 final int N = matches.size(); 2920 for (int i = 0; i < N; i++) { 2921 final ResolveInfo cur = matches.get(i); 2922 final String packageName = cur.getComponentInfo().packageName; 2923 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2924 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2925 continue; 2926 } 2927 2928 if (best == null || cur.priority > best.priority) { 2929 best = cur; 2930 } 2931 } 2932 2933 if (best != null) { 2934 return best.getComponentInfo().getComponentName(); 2935 } else { 2936 throw new RuntimeException("There must be at least one intent filter verifier"); 2937 } 2938 } 2939 2940 private @Nullable ComponentName getEphemeralResolverLPr() { 2941 final String[] packageArray = 2942 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2943 if (packageArray.length == 0) { 2944 if (DEBUG_EPHEMERAL) { 2945 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2946 } 2947 return null; 2948 } 2949 2950 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2951 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2952 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2953 UserHandle.USER_SYSTEM); 2954 2955 final int N = resolvers.size(); 2956 if (N == 0) { 2957 if (DEBUG_EPHEMERAL) { 2958 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2959 } 2960 return null; 2961 } 2962 2963 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2964 for (int i = 0; i < N; i++) { 2965 final ResolveInfo info = resolvers.get(i); 2966 2967 if (info.serviceInfo == null) { 2968 continue; 2969 } 2970 2971 final String packageName = info.serviceInfo.packageName; 2972 if (!possiblePackages.contains(packageName)) { 2973 if (DEBUG_EPHEMERAL) { 2974 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2975 + " pkg: " + packageName + ", info:" + info); 2976 } 2977 continue; 2978 } 2979 2980 if (DEBUG_EPHEMERAL) { 2981 Slog.v(TAG, "Ephemeral resolver found;" 2982 + " pkg: " + packageName + ", info:" + info); 2983 } 2984 return new ComponentName(packageName, info.serviceInfo.name); 2985 } 2986 if (DEBUG_EPHEMERAL) { 2987 Slog.v(TAG, "Ephemeral resolver NOT found"); 2988 } 2989 return null; 2990 } 2991 2992 private @Nullable ComponentName getEphemeralInstallerLPr() { 2993 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2994 intent.addCategory(Intent.CATEGORY_DEFAULT); 2995 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2996 2997 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2998 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2999 UserHandle.USER_SYSTEM); 3000 if (matches.size() == 0) { 3001 return null; 3002 } else if (matches.size() == 1) { 3003 return matches.get(0).getComponentInfo().getComponentName(); 3004 } else { 3005 throw new RuntimeException( 3006 "There must be at most one ephemeral installer; found " + matches); 3007 } 3008 } 3009 3010 private void primeDomainVerificationsLPw(int userId) { 3011 if (DEBUG_DOMAIN_VERIFICATION) { 3012 Slog.d(TAG, "Priming domain verifications in user " + userId); 3013 } 3014 3015 SystemConfig systemConfig = SystemConfig.getInstance(); 3016 ArraySet<String> packages = systemConfig.getLinkedApps(); 3017 ArraySet<String> domains = new ArraySet<String>(); 3018 3019 for (String packageName : packages) { 3020 PackageParser.Package pkg = mPackages.get(packageName); 3021 if (pkg != null) { 3022 if (!pkg.isSystemApp()) { 3023 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3024 continue; 3025 } 3026 3027 domains.clear(); 3028 for (PackageParser.Activity a : pkg.activities) { 3029 for (ActivityIntentInfo filter : a.intents) { 3030 if (hasValidDomains(filter)) { 3031 domains.addAll(filter.getHostsList()); 3032 } 3033 } 3034 } 3035 3036 if (domains.size() > 0) { 3037 if (DEBUG_DOMAIN_VERIFICATION) { 3038 Slog.v(TAG, " + " + packageName); 3039 } 3040 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3041 // state w.r.t. the formal app-linkage "no verification attempted" state; 3042 // and then 'always' in the per-user state actually used for intent resolution. 3043 final IntentFilterVerificationInfo ivi; 3044 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3045 new ArrayList<String>(domains)); 3046 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3047 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3048 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3049 } else { 3050 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3051 + "' does not handle web links"); 3052 } 3053 } else { 3054 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3055 } 3056 } 3057 3058 scheduleWritePackageRestrictionsLocked(userId); 3059 scheduleWriteSettingsLocked(); 3060 } 3061 3062 private void applyFactoryDefaultBrowserLPw(int userId) { 3063 // The default browser app's package name is stored in a string resource, 3064 // with a product-specific overlay used for vendor customization. 3065 String browserPkg = mContext.getResources().getString( 3066 com.android.internal.R.string.default_browser); 3067 if (!TextUtils.isEmpty(browserPkg)) { 3068 // non-empty string => required to be a known package 3069 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3070 if (ps == null) { 3071 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3072 browserPkg = null; 3073 } else { 3074 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3075 } 3076 } 3077 3078 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3079 // default. If there's more than one, just leave everything alone. 3080 if (browserPkg == null) { 3081 calculateDefaultBrowserLPw(userId); 3082 } 3083 } 3084 3085 private void calculateDefaultBrowserLPw(int userId) { 3086 List<String> allBrowsers = resolveAllBrowserApps(userId); 3087 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3088 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3089 } 3090 3091 private List<String> resolveAllBrowserApps(int userId) { 3092 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3093 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3094 PackageManager.MATCH_ALL, userId); 3095 3096 final int count = list.size(); 3097 List<String> result = new ArrayList<String>(count); 3098 for (int i=0; i<count; i++) { 3099 ResolveInfo info = list.get(i); 3100 if (info.activityInfo == null 3101 || !info.handleAllWebDataURI 3102 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3103 || result.contains(info.activityInfo.packageName)) { 3104 continue; 3105 } 3106 result.add(info.activityInfo.packageName); 3107 } 3108 3109 return result; 3110 } 3111 3112 private boolean packageIsBrowser(String packageName, int userId) { 3113 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3114 PackageManager.MATCH_ALL, userId); 3115 final int N = list.size(); 3116 for (int i = 0; i < N; i++) { 3117 ResolveInfo info = list.get(i); 3118 if (packageName.equals(info.activityInfo.packageName)) { 3119 return true; 3120 } 3121 } 3122 return false; 3123 } 3124 3125 private void checkDefaultBrowser() { 3126 final int myUserId = UserHandle.myUserId(); 3127 final String packageName = getDefaultBrowserPackageName(myUserId); 3128 if (packageName != null) { 3129 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3130 if (info == null) { 3131 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3132 synchronized (mPackages) { 3133 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3134 } 3135 } 3136 } 3137 } 3138 3139 @Override 3140 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3141 throws RemoteException { 3142 try { 3143 return super.onTransact(code, data, reply, flags); 3144 } catch (RuntimeException e) { 3145 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3146 Slog.wtf(TAG, "Package Manager Crash", e); 3147 } 3148 throw e; 3149 } 3150 } 3151 3152 static int[] appendInts(int[] cur, int[] add) { 3153 if (add == null) return cur; 3154 if (cur == null) return add; 3155 final int N = add.length; 3156 for (int i=0; i<N; i++) { 3157 cur = appendInt(cur, add[i]); 3158 } 3159 return cur; 3160 } 3161 3162 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3163 if (!sUserManager.exists(userId)) return null; 3164 if (ps == null) { 3165 return null; 3166 } 3167 final PackageParser.Package p = ps.pkg; 3168 if (p == null) { 3169 return null; 3170 } 3171 3172 final PermissionsState permissionsState = ps.getPermissionsState(); 3173 3174 final int[] gids = permissionsState.computeGids(userId); 3175 final Set<String> permissions = permissionsState.getPermissions(userId); 3176 final PackageUserState state = ps.readUserState(userId); 3177 3178 return PackageParser.generatePackageInfo(p, gids, flags, 3179 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3180 } 3181 3182 @Override 3183 public void checkPackageStartable(String packageName, int userId) { 3184 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3185 3186 synchronized (mPackages) { 3187 final PackageSetting ps = mSettings.mPackages.get(packageName); 3188 if (ps == null) { 3189 throw new SecurityException("Package " + packageName + " was not found!"); 3190 } 3191 3192 if (!ps.getInstalled(userId)) { 3193 throw new SecurityException( 3194 "Package " + packageName + " was not installed for user " + userId + "!"); 3195 } 3196 3197 if (mSafeMode && !ps.isSystem()) { 3198 throw new SecurityException("Package " + packageName + " not a system app!"); 3199 } 3200 3201 if (mFrozenPackages.contains(packageName)) { 3202 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3203 } 3204 3205 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3206 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3207 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3208 } 3209 } 3210 } 3211 3212 @Override 3213 public boolean isPackageAvailable(String packageName, int userId) { 3214 if (!sUserManager.exists(userId)) return false; 3215 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3216 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3217 synchronized (mPackages) { 3218 PackageParser.Package p = mPackages.get(packageName); 3219 if (p != null) { 3220 final PackageSetting ps = (PackageSetting) p.mExtras; 3221 if (ps != null) { 3222 final PackageUserState state = ps.readUserState(userId); 3223 if (state != null) { 3224 return PackageParser.isAvailable(state); 3225 } 3226 } 3227 } 3228 } 3229 return false; 3230 } 3231 3232 @Override 3233 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3234 if (!sUserManager.exists(userId)) return null; 3235 flags = updateFlagsForPackage(flags, userId, packageName); 3236 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3237 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3238 // reader 3239 synchronized (mPackages) { 3240 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3241 PackageParser.Package p = null; 3242 if (matchFactoryOnly) { 3243 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3244 if (ps != null) { 3245 return generatePackageInfo(ps, flags, userId); 3246 } 3247 } 3248 if (p == null) { 3249 p = mPackages.get(packageName); 3250 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3251 return null; 3252 } 3253 } 3254 if (DEBUG_PACKAGE_INFO) 3255 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3256 if (p != null) { 3257 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3258 } 3259 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3260 final PackageSetting ps = mSettings.mPackages.get(packageName); 3261 return generatePackageInfo(ps, flags, userId); 3262 } 3263 } 3264 return null; 3265 } 3266 3267 @Override 3268 public String[] currentToCanonicalPackageNames(String[] names) { 3269 String[] out = new String[names.length]; 3270 // reader 3271 synchronized (mPackages) { 3272 for (int i=names.length-1; i>=0; i--) { 3273 PackageSetting ps = mSettings.mPackages.get(names[i]); 3274 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3275 } 3276 } 3277 return out; 3278 } 3279 3280 @Override 3281 public String[] canonicalToCurrentPackageNames(String[] names) { 3282 String[] out = new String[names.length]; 3283 // reader 3284 synchronized (mPackages) { 3285 for (int i=names.length-1; i>=0; i--) { 3286 String cur = mSettings.mRenamedPackages.get(names[i]); 3287 out[i] = cur != null ? cur : names[i]; 3288 } 3289 } 3290 return out; 3291 } 3292 3293 @Override 3294 public int getPackageUid(String packageName, int flags, int userId) { 3295 if (!sUserManager.exists(userId)) return -1; 3296 flags = updateFlagsForPackage(flags, userId, packageName); 3297 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3298 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3299 3300 // reader 3301 synchronized (mPackages) { 3302 final PackageParser.Package p = mPackages.get(packageName); 3303 if (p != null && p.isMatch(flags)) { 3304 return UserHandle.getUid(userId, p.applicationInfo.uid); 3305 } 3306 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3307 final PackageSetting ps = mSettings.mPackages.get(packageName); 3308 if (ps != null && ps.isMatch(flags)) { 3309 return UserHandle.getUid(userId, ps.appId); 3310 } 3311 } 3312 } 3313 3314 return -1; 3315 } 3316 3317 @Override 3318 public int[] getPackageGids(String packageName, int flags, int userId) { 3319 if (!sUserManager.exists(userId)) return null; 3320 flags = updateFlagsForPackage(flags, userId, packageName); 3321 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3322 false /* requireFullPermission */, false /* checkShell */, 3323 "getPackageGids"); 3324 3325 // reader 3326 synchronized (mPackages) { 3327 final PackageParser.Package p = mPackages.get(packageName); 3328 if (p != null && p.isMatch(flags)) { 3329 PackageSetting ps = (PackageSetting) p.mExtras; 3330 return ps.getPermissionsState().computeGids(userId); 3331 } 3332 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3333 final PackageSetting ps = mSettings.mPackages.get(packageName); 3334 if (ps != null && ps.isMatch(flags)) { 3335 return ps.getPermissionsState().computeGids(userId); 3336 } 3337 } 3338 } 3339 3340 return null; 3341 } 3342 3343 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3344 if (bp.perm != null) { 3345 return PackageParser.generatePermissionInfo(bp.perm, flags); 3346 } 3347 PermissionInfo pi = new PermissionInfo(); 3348 pi.name = bp.name; 3349 pi.packageName = bp.sourcePackage; 3350 pi.nonLocalizedLabel = bp.name; 3351 pi.protectionLevel = bp.protectionLevel; 3352 return pi; 3353 } 3354 3355 @Override 3356 public PermissionInfo getPermissionInfo(String name, int flags) { 3357 // reader 3358 synchronized (mPackages) { 3359 final BasePermission p = mSettings.mPermissions.get(name); 3360 if (p != null) { 3361 return generatePermissionInfo(p, flags); 3362 } 3363 return null; 3364 } 3365 } 3366 3367 @Override 3368 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3369 int flags) { 3370 // reader 3371 synchronized (mPackages) { 3372 if (group != null && !mPermissionGroups.containsKey(group)) { 3373 // This is thrown as NameNotFoundException 3374 return null; 3375 } 3376 3377 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3378 for (BasePermission p : mSettings.mPermissions.values()) { 3379 if (group == null) { 3380 if (p.perm == null || p.perm.info.group == null) { 3381 out.add(generatePermissionInfo(p, flags)); 3382 } 3383 } else { 3384 if (p.perm != null && group.equals(p.perm.info.group)) { 3385 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3386 } 3387 } 3388 } 3389 return new ParceledListSlice<>(out); 3390 } 3391 } 3392 3393 @Override 3394 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3395 // reader 3396 synchronized (mPackages) { 3397 return PackageParser.generatePermissionGroupInfo( 3398 mPermissionGroups.get(name), flags); 3399 } 3400 } 3401 3402 @Override 3403 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3404 // reader 3405 synchronized (mPackages) { 3406 final int N = mPermissionGroups.size(); 3407 ArrayList<PermissionGroupInfo> out 3408 = new ArrayList<PermissionGroupInfo>(N); 3409 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3410 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3411 } 3412 return new ParceledListSlice<>(out); 3413 } 3414 } 3415 3416 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3417 int userId) { 3418 if (!sUserManager.exists(userId)) return null; 3419 PackageSetting ps = mSettings.mPackages.get(packageName); 3420 if (ps != null) { 3421 if (ps.pkg == null) { 3422 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3423 if (pInfo != null) { 3424 return pInfo.applicationInfo; 3425 } 3426 return null; 3427 } 3428 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3429 ps.readUserState(userId), userId); 3430 } 3431 return null; 3432 } 3433 3434 @Override 3435 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3436 if (!sUserManager.exists(userId)) return null; 3437 flags = updateFlagsForApplication(flags, userId, packageName); 3438 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3439 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3440 // writer 3441 synchronized (mPackages) { 3442 PackageParser.Package p = mPackages.get(packageName); 3443 if (DEBUG_PACKAGE_INFO) Log.v( 3444 TAG, "getApplicationInfo " + packageName 3445 + ": " + p); 3446 if (p != null) { 3447 PackageSetting ps = mSettings.mPackages.get(packageName); 3448 if (ps == null) return null; 3449 // Note: isEnabledLP() does not apply here - always return info 3450 return PackageParser.generateApplicationInfo( 3451 p, flags, ps.readUserState(userId), userId); 3452 } 3453 if ("android".equals(packageName)||"system".equals(packageName)) { 3454 return mAndroidApplication; 3455 } 3456 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3457 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3458 } 3459 } 3460 return null; 3461 } 3462 3463 @Override 3464 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3465 final IPackageDataObserver observer) { 3466 mContext.enforceCallingOrSelfPermission( 3467 android.Manifest.permission.CLEAR_APP_CACHE, null); 3468 // Queue up an async operation since clearing cache may take a little while. 3469 mHandler.post(new Runnable() { 3470 public void run() { 3471 mHandler.removeCallbacks(this); 3472 boolean success = true; 3473 synchronized (mInstallLock) { 3474 try { 3475 mInstaller.freeCache(volumeUuid, freeStorageSize); 3476 } catch (InstallerException e) { 3477 Slog.w(TAG, "Couldn't clear application caches: " + e); 3478 success = false; 3479 } 3480 } 3481 if (observer != null) { 3482 try { 3483 observer.onRemoveCompleted(null, success); 3484 } catch (RemoteException e) { 3485 Slog.w(TAG, "RemoveException when invoking call back"); 3486 } 3487 } 3488 } 3489 }); 3490 } 3491 3492 @Override 3493 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3494 final IntentSender pi) { 3495 mContext.enforceCallingOrSelfPermission( 3496 android.Manifest.permission.CLEAR_APP_CACHE, null); 3497 // Queue up an async operation since clearing cache may take a little while. 3498 mHandler.post(new Runnable() { 3499 public void run() { 3500 mHandler.removeCallbacks(this); 3501 boolean success = true; 3502 synchronized (mInstallLock) { 3503 try { 3504 mInstaller.freeCache(volumeUuid, freeStorageSize); 3505 } catch (InstallerException e) { 3506 Slog.w(TAG, "Couldn't clear application caches: " + e); 3507 success = false; 3508 } 3509 } 3510 if(pi != null) { 3511 try { 3512 // Callback via pending intent 3513 int code = success ? 1 : 0; 3514 pi.sendIntent(null, code, null, 3515 null, null); 3516 } catch (SendIntentException e1) { 3517 Slog.i(TAG, "Failed to send pending intent"); 3518 } 3519 } 3520 } 3521 }); 3522 } 3523 3524 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3525 synchronized (mInstallLock) { 3526 try { 3527 mInstaller.freeCache(volumeUuid, freeStorageSize); 3528 } catch (InstallerException e) { 3529 throw new IOException("Failed to free enough space", e); 3530 } 3531 } 3532 } 3533 3534 /** 3535 * Update given flags based on encryption status of current user. 3536 */ 3537 private int updateFlags(int flags, int userId) { 3538 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3539 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3540 // Caller expressed an explicit opinion about what encryption 3541 // aware/unaware components they want to see, so fall through and 3542 // give them what they want 3543 } else { 3544 // Caller expressed no opinion, so match based on user state 3545 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3546 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3547 } else { 3548 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3549 } 3550 } 3551 return flags; 3552 } 3553 3554 private UserManagerInternal getUserManagerInternal() { 3555 if (mUserManagerInternal == null) { 3556 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3557 } 3558 return mUserManagerInternal; 3559 } 3560 3561 /** 3562 * Update given flags when being used to request {@link PackageInfo}. 3563 */ 3564 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3565 boolean triaged = true; 3566 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3567 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3568 // Caller is asking for component details, so they'd better be 3569 // asking for specific encryption matching behavior, or be triaged 3570 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3571 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3572 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3573 triaged = false; 3574 } 3575 } 3576 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3577 | PackageManager.MATCH_SYSTEM_ONLY 3578 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3579 triaged = false; 3580 } 3581 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3582 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3583 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3584 } 3585 return updateFlags(flags, userId); 3586 } 3587 3588 /** 3589 * Update given flags when being used to request {@link ApplicationInfo}. 3590 */ 3591 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3592 return updateFlagsForPackage(flags, userId, cookie); 3593 } 3594 3595 /** 3596 * Update given flags when being used to request {@link ComponentInfo}. 3597 */ 3598 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3599 if (cookie instanceof Intent) { 3600 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3601 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3602 } 3603 } 3604 3605 boolean triaged = true; 3606 // Caller is asking for component details, so they'd better be 3607 // asking for specific encryption matching behavior, or be triaged 3608 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3609 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3610 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3611 triaged = false; 3612 } 3613 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3614 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3615 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3616 } 3617 3618 return updateFlags(flags, userId); 3619 } 3620 3621 /** 3622 * Update given flags when being used to request {@link ResolveInfo}. 3623 */ 3624 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3625 // Safe mode means we shouldn't match any third-party components 3626 if (mSafeMode) { 3627 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3628 } 3629 3630 return updateFlagsForComponent(flags, userId, cookie); 3631 } 3632 3633 @Override 3634 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3635 if (!sUserManager.exists(userId)) return null; 3636 flags = updateFlagsForComponent(flags, userId, component); 3637 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3638 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3639 synchronized (mPackages) { 3640 PackageParser.Activity a = mActivities.mActivities.get(component); 3641 3642 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3643 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3644 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3645 if (ps == null) return null; 3646 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3647 userId); 3648 } 3649 if (mResolveComponentName.equals(component)) { 3650 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3651 new PackageUserState(), userId); 3652 } 3653 } 3654 return null; 3655 } 3656 3657 @Override 3658 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3659 String resolvedType) { 3660 synchronized (mPackages) { 3661 if (component.equals(mResolveComponentName)) { 3662 // The resolver supports EVERYTHING! 3663 return true; 3664 } 3665 PackageParser.Activity a = mActivities.mActivities.get(component); 3666 if (a == null) { 3667 return false; 3668 } 3669 for (int i=0; i<a.intents.size(); i++) { 3670 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3671 intent.getData(), intent.getCategories(), TAG) >= 0) { 3672 return true; 3673 } 3674 } 3675 return false; 3676 } 3677 } 3678 3679 @Override 3680 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3681 if (!sUserManager.exists(userId)) return null; 3682 flags = updateFlagsForComponent(flags, userId, component); 3683 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3684 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3685 synchronized (mPackages) { 3686 PackageParser.Activity a = mReceivers.mActivities.get(component); 3687 if (DEBUG_PACKAGE_INFO) Log.v( 3688 TAG, "getReceiverInfo " + component + ": " + a); 3689 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3690 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3691 if (ps == null) return null; 3692 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3693 userId); 3694 } 3695 } 3696 return null; 3697 } 3698 3699 @Override 3700 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3701 if (!sUserManager.exists(userId)) return null; 3702 flags = updateFlagsForComponent(flags, userId, component); 3703 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3704 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3705 synchronized (mPackages) { 3706 PackageParser.Service s = mServices.mServices.get(component); 3707 if (DEBUG_PACKAGE_INFO) Log.v( 3708 TAG, "getServiceInfo " + component + ": " + s); 3709 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3710 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3711 if (ps == null) return null; 3712 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3713 userId); 3714 } 3715 } 3716 return null; 3717 } 3718 3719 @Override 3720 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3721 if (!sUserManager.exists(userId)) return null; 3722 flags = updateFlagsForComponent(flags, userId, component); 3723 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3724 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3725 synchronized (mPackages) { 3726 PackageParser.Provider p = mProviders.mProviders.get(component); 3727 if (DEBUG_PACKAGE_INFO) Log.v( 3728 TAG, "getProviderInfo " + component + ": " + p); 3729 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3730 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3731 if (ps == null) return null; 3732 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3733 userId); 3734 } 3735 } 3736 return null; 3737 } 3738 3739 @Override 3740 public String[] getSystemSharedLibraryNames() { 3741 Set<String> libSet; 3742 synchronized (mPackages) { 3743 libSet = mSharedLibraries.keySet(); 3744 int size = libSet.size(); 3745 if (size > 0) { 3746 String[] libs = new String[size]; 3747 libSet.toArray(libs); 3748 return libs; 3749 } 3750 } 3751 return null; 3752 } 3753 3754 @Override 3755 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3756 synchronized (mPackages) { 3757 return mServicesSystemSharedLibraryPackageName; 3758 } 3759 } 3760 3761 @Override 3762 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3763 synchronized (mPackages) { 3764 return mSharedSystemSharedLibraryPackageName; 3765 } 3766 } 3767 3768 @Override 3769 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3770 synchronized (mPackages) { 3771 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3772 3773 final FeatureInfo fi = new FeatureInfo(); 3774 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3775 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3776 res.add(fi); 3777 3778 return new ParceledListSlice<>(res); 3779 } 3780 } 3781 3782 @Override 3783 public boolean hasSystemFeature(String name, int version) { 3784 synchronized (mPackages) { 3785 final FeatureInfo feat = mAvailableFeatures.get(name); 3786 if (feat == null) { 3787 return false; 3788 } else { 3789 return feat.version >= version; 3790 } 3791 } 3792 } 3793 3794 @Override 3795 public int checkPermission(String permName, String pkgName, int userId) { 3796 if (!sUserManager.exists(userId)) { 3797 return PackageManager.PERMISSION_DENIED; 3798 } 3799 3800 synchronized (mPackages) { 3801 final PackageParser.Package p = mPackages.get(pkgName); 3802 if (p != null && p.mExtras != null) { 3803 final PackageSetting ps = (PackageSetting) p.mExtras; 3804 final PermissionsState permissionsState = ps.getPermissionsState(); 3805 if (permissionsState.hasPermission(permName, userId)) { 3806 return PackageManager.PERMISSION_GRANTED; 3807 } 3808 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3809 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3810 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3811 return PackageManager.PERMISSION_GRANTED; 3812 } 3813 } 3814 } 3815 3816 return PackageManager.PERMISSION_DENIED; 3817 } 3818 3819 @Override 3820 public int checkUidPermission(String permName, int uid) { 3821 final int userId = UserHandle.getUserId(uid); 3822 3823 if (!sUserManager.exists(userId)) { 3824 return PackageManager.PERMISSION_DENIED; 3825 } 3826 3827 synchronized (mPackages) { 3828 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3829 if (obj != null) { 3830 final SettingBase ps = (SettingBase) obj; 3831 final PermissionsState permissionsState = ps.getPermissionsState(); 3832 if (permissionsState.hasPermission(permName, userId)) { 3833 return PackageManager.PERMISSION_GRANTED; 3834 } 3835 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3836 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3837 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3838 return PackageManager.PERMISSION_GRANTED; 3839 } 3840 } else { 3841 ArraySet<String> perms = mSystemPermissions.get(uid); 3842 if (perms != null) { 3843 if (perms.contains(permName)) { 3844 return PackageManager.PERMISSION_GRANTED; 3845 } 3846 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3847 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3848 return PackageManager.PERMISSION_GRANTED; 3849 } 3850 } 3851 } 3852 } 3853 3854 return PackageManager.PERMISSION_DENIED; 3855 } 3856 3857 @Override 3858 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3859 if (UserHandle.getCallingUserId() != userId) { 3860 mContext.enforceCallingPermission( 3861 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3862 "isPermissionRevokedByPolicy for user " + userId); 3863 } 3864 3865 if (checkPermission(permission, packageName, userId) 3866 == PackageManager.PERMISSION_GRANTED) { 3867 return false; 3868 } 3869 3870 final long identity = Binder.clearCallingIdentity(); 3871 try { 3872 final int flags = getPermissionFlags(permission, packageName, userId); 3873 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3874 } finally { 3875 Binder.restoreCallingIdentity(identity); 3876 } 3877 } 3878 3879 @Override 3880 public String getPermissionControllerPackageName() { 3881 synchronized (mPackages) { 3882 return mRequiredInstallerPackage; 3883 } 3884 } 3885 3886 /** 3887 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3888 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3889 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3890 * @param message the message to log on security exception 3891 */ 3892 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3893 boolean checkShell, String message) { 3894 if (userId < 0) { 3895 throw new IllegalArgumentException("Invalid userId " + userId); 3896 } 3897 if (checkShell) { 3898 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3899 } 3900 if (userId == UserHandle.getUserId(callingUid)) return; 3901 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3902 if (requireFullPermission) { 3903 mContext.enforceCallingOrSelfPermission( 3904 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3905 } else { 3906 try { 3907 mContext.enforceCallingOrSelfPermission( 3908 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3909 } catch (SecurityException se) { 3910 mContext.enforceCallingOrSelfPermission( 3911 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3912 } 3913 } 3914 } 3915 } 3916 3917 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3918 if (callingUid == Process.SHELL_UID) { 3919 if (userHandle >= 0 3920 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3921 throw new SecurityException("Shell does not have permission to access user " 3922 + userHandle); 3923 } else if (userHandle < 0) { 3924 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3925 + Debug.getCallers(3)); 3926 } 3927 } 3928 } 3929 3930 private BasePermission findPermissionTreeLP(String permName) { 3931 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3932 if (permName.startsWith(bp.name) && 3933 permName.length() > bp.name.length() && 3934 permName.charAt(bp.name.length()) == '.') { 3935 return bp; 3936 } 3937 } 3938 return null; 3939 } 3940 3941 private BasePermission checkPermissionTreeLP(String permName) { 3942 if (permName != null) { 3943 BasePermission bp = findPermissionTreeLP(permName); 3944 if (bp != null) { 3945 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3946 return bp; 3947 } 3948 throw new SecurityException("Calling uid " 3949 + Binder.getCallingUid() 3950 + " is not allowed to add to permission tree " 3951 + bp.name + " owned by uid " + bp.uid); 3952 } 3953 } 3954 throw new SecurityException("No permission tree found for " + permName); 3955 } 3956 3957 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3958 if (s1 == null) { 3959 return s2 == null; 3960 } 3961 if (s2 == null) { 3962 return false; 3963 } 3964 if (s1.getClass() != s2.getClass()) { 3965 return false; 3966 } 3967 return s1.equals(s2); 3968 } 3969 3970 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3971 if (pi1.icon != pi2.icon) return false; 3972 if (pi1.logo != pi2.logo) return false; 3973 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3974 if (!compareStrings(pi1.name, pi2.name)) return false; 3975 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3976 // We'll take care of setting this one. 3977 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3978 // These are not currently stored in settings. 3979 //if (!compareStrings(pi1.group, pi2.group)) return false; 3980 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3981 //if (pi1.labelRes != pi2.labelRes) return false; 3982 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3983 return true; 3984 } 3985 3986 int permissionInfoFootprint(PermissionInfo info) { 3987 int size = info.name.length(); 3988 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3989 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3990 return size; 3991 } 3992 3993 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3994 int size = 0; 3995 for (BasePermission perm : mSettings.mPermissions.values()) { 3996 if (perm.uid == tree.uid) { 3997 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3998 } 3999 } 4000 return size; 4001 } 4002 4003 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4004 // We calculate the max size of permissions defined by this uid and throw 4005 // if that plus the size of 'info' would exceed our stated maximum. 4006 if (tree.uid != Process.SYSTEM_UID) { 4007 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4008 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4009 throw new SecurityException("Permission tree size cap exceeded"); 4010 } 4011 } 4012 } 4013 4014 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4015 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4016 throw new SecurityException("Label must be specified in permission"); 4017 } 4018 BasePermission tree = checkPermissionTreeLP(info.name); 4019 BasePermission bp = mSettings.mPermissions.get(info.name); 4020 boolean added = bp == null; 4021 boolean changed = true; 4022 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4023 if (added) { 4024 enforcePermissionCapLocked(info, tree); 4025 bp = new BasePermission(info.name, tree.sourcePackage, 4026 BasePermission.TYPE_DYNAMIC); 4027 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4028 throw new SecurityException( 4029 "Not allowed to modify non-dynamic permission " 4030 + info.name); 4031 } else { 4032 if (bp.protectionLevel == fixedLevel 4033 && bp.perm.owner.equals(tree.perm.owner) 4034 && bp.uid == tree.uid 4035 && comparePermissionInfos(bp.perm.info, info)) { 4036 changed = false; 4037 } 4038 } 4039 bp.protectionLevel = fixedLevel; 4040 info = new PermissionInfo(info); 4041 info.protectionLevel = fixedLevel; 4042 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4043 bp.perm.info.packageName = tree.perm.info.packageName; 4044 bp.uid = tree.uid; 4045 if (added) { 4046 mSettings.mPermissions.put(info.name, bp); 4047 } 4048 if (changed) { 4049 if (!async) { 4050 mSettings.writeLPr(); 4051 } else { 4052 scheduleWriteSettingsLocked(); 4053 } 4054 } 4055 return added; 4056 } 4057 4058 @Override 4059 public boolean addPermission(PermissionInfo info) { 4060 synchronized (mPackages) { 4061 return addPermissionLocked(info, false); 4062 } 4063 } 4064 4065 @Override 4066 public boolean addPermissionAsync(PermissionInfo info) { 4067 synchronized (mPackages) { 4068 return addPermissionLocked(info, true); 4069 } 4070 } 4071 4072 @Override 4073 public void removePermission(String name) { 4074 synchronized (mPackages) { 4075 checkPermissionTreeLP(name); 4076 BasePermission bp = mSettings.mPermissions.get(name); 4077 if (bp != null) { 4078 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4079 throw new SecurityException( 4080 "Not allowed to modify non-dynamic permission " 4081 + name); 4082 } 4083 mSettings.mPermissions.remove(name); 4084 mSettings.writeLPr(); 4085 } 4086 } 4087 } 4088 4089 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4090 BasePermission bp) { 4091 int index = pkg.requestedPermissions.indexOf(bp.name); 4092 if (index == -1) { 4093 throw new SecurityException("Package " + pkg.packageName 4094 + " has not requested permission " + bp.name); 4095 } 4096 if (!bp.isRuntime() && !bp.isDevelopment()) { 4097 throw new SecurityException("Permission " + bp.name 4098 + " is not a changeable permission type"); 4099 } 4100 } 4101 4102 @Override 4103 public void grantRuntimePermission(String packageName, String name, final int userId) { 4104 if (!sUserManager.exists(userId)) { 4105 Log.e(TAG, "No such user:" + userId); 4106 return; 4107 } 4108 4109 mContext.enforceCallingOrSelfPermission( 4110 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4111 "grantRuntimePermission"); 4112 4113 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4114 true /* requireFullPermission */, true /* checkShell */, 4115 "grantRuntimePermission"); 4116 4117 final int uid; 4118 final SettingBase sb; 4119 4120 synchronized (mPackages) { 4121 final PackageParser.Package pkg = mPackages.get(packageName); 4122 if (pkg == null) { 4123 throw new IllegalArgumentException("Unknown package: " + packageName); 4124 } 4125 4126 final BasePermission bp = mSettings.mPermissions.get(name); 4127 if (bp == null) { 4128 throw new IllegalArgumentException("Unknown permission: " + name); 4129 } 4130 4131 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4132 4133 // If a permission review is required for legacy apps we represent 4134 // their permissions as always granted runtime ones since we need 4135 // to keep the review required permission flag per user while an 4136 // install permission's state is shared across all users. 4137 if (Build.PERMISSIONS_REVIEW_REQUIRED 4138 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4139 && bp.isRuntime()) { 4140 return; 4141 } 4142 4143 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4144 sb = (SettingBase) pkg.mExtras; 4145 if (sb == null) { 4146 throw new IllegalArgumentException("Unknown package: " + packageName); 4147 } 4148 4149 final PermissionsState permissionsState = sb.getPermissionsState(); 4150 4151 final int flags = permissionsState.getPermissionFlags(name, userId); 4152 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4153 throw new SecurityException("Cannot grant system fixed permission " 4154 + name + " for package " + packageName); 4155 } 4156 4157 if (bp.isDevelopment()) { 4158 // Development permissions must be handled specially, since they are not 4159 // normal runtime permissions. For now they apply to all users. 4160 if (permissionsState.grantInstallPermission(bp) != 4161 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4162 scheduleWriteSettingsLocked(); 4163 } 4164 return; 4165 } 4166 4167 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4168 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4169 return; 4170 } 4171 4172 final int result = permissionsState.grantRuntimePermission(bp, userId); 4173 switch (result) { 4174 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4175 return; 4176 } 4177 4178 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4179 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4180 mHandler.post(new Runnable() { 4181 @Override 4182 public void run() { 4183 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4184 } 4185 }); 4186 } 4187 break; 4188 } 4189 4190 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4191 4192 // Not critical if that is lost - app has to request again. 4193 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4194 } 4195 4196 // Only need to do this if user is initialized. Otherwise it's a new user 4197 // and there are no processes running as the user yet and there's no need 4198 // to make an expensive call to remount processes for the changed permissions. 4199 if (READ_EXTERNAL_STORAGE.equals(name) 4200 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4201 final long token = Binder.clearCallingIdentity(); 4202 try { 4203 if (sUserManager.isInitialized(userId)) { 4204 MountServiceInternal mountServiceInternal = LocalServices.getService( 4205 MountServiceInternal.class); 4206 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4207 } 4208 } finally { 4209 Binder.restoreCallingIdentity(token); 4210 } 4211 } 4212 } 4213 4214 @Override 4215 public void revokeRuntimePermission(String packageName, String name, int userId) { 4216 if (!sUserManager.exists(userId)) { 4217 Log.e(TAG, "No such user:" + userId); 4218 return; 4219 } 4220 4221 mContext.enforceCallingOrSelfPermission( 4222 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4223 "revokeRuntimePermission"); 4224 4225 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4226 true /* requireFullPermission */, true /* checkShell */, 4227 "revokeRuntimePermission"); 4228 4229 final int appId; 4230 4231 synchronized (mPackages) { 4232 final PackageParser.Package pkg = mPackages.get(packageName); 4233 if (pkg == null) { 4234 throw new IllegalArgumentException("Unknown package: " + packageName); 4235 } 4236 4237 final BasePermission bp = mSettings.mPermissions.get(name); 4238 if (bp == null) { 4239 throw new IllegalArgumentException("Unknown permission: " + name); 4240 } 4241 4242 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4243 4244 // If a permission review is required for legacy apps we represent 4245 // their permissions as always granted runtime ones since we need 4246 // to keep the review required permission flag per user while an 4247 // install permission's state is shared across all users. 4248 if (Build.PERMISSIONS_REVIEW_REQUIRED 4249 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4250 && bp.isRuntime()) { 4251 return; 4252 } 4253 4254 SettingBase sb = (SettingBase) pkg.mExtras; 4255 if (sb == null) { 4256 throw new IllegalArgumentException("Unknown package: " + packageName); 4257 } 4258 4259 final PermissionsState permissionsState = sb.getPermissionsState(); 4260 4261 final int flags = permissionsState.getPermissionFlags(name, userId); 4262 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4263 throw new SecurityException("Cannot revoke system fixed permission " 4264 + name + " for package " + packageName); 4265 } 4266 4267 if (bp.isDevelopment()) { 4268 // Development permissions must be handled specially, since they are not 4269 // normal runtime permissions. For now they apply to all users. 4270 if (permissionsState.revokeInstallPermission(bp) != 4271 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4272 scheduleWriteSettingsLocked(); 4273 } 4274 return; 4275 } 4276 4277 if (permissionsState.revokeRuntimePermission(bp, userId) == 4278 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4279 return; 4280 } 4281 4282 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4283 4284 // Critical, after this call app should never have the permission. 4285 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4286 4287 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4288 } 4289 4290 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4291 } 4292 4293 @Override 4294 public void resetRuntimePermissions() { 4295 mContext.enforceCallingOrSelfPermission( 4296 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4297 "revokeRuntimePermission"); 4298 4299 int callingUid = Binder.getCallingUid(); 4300 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4301 mContext.enforceCallingOrSelfPermission( 4302 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4303 "resetRuntimePermissions"); 4304 } 4305 4306 synchronized (mPackages) { 4307 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4308 for (int userId : UserManagerService.getInstance().getUserIds()) { 4309 final int packageCount = mPackages.size(); 4310 for (int i = 0; i < packageCount; i++) { 4311 PackageParser.Package pkg = mPackages.valueAt(i); 4312 if (!(pkg.mExtras instanceof PackageSetting)) { 4313 continue; 4314 } 4315 PackageSetting ps = (PackageSetting) pkg.mExtras; 4316 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4317 } 4318 } 4319 } 4320 } 4321 4322 @Override 4323 public int getPermissionFlags(String name, String packageName, int userId) { 4324 if (!sUserManager.exists(userId)) { 4325 return 0; 4326 } 4327 4328 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4329 4330 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4331 true /* requireFullPermission */, false /* checkShell */, 4332 "getPermissionFlags"); 4333 4334 synchronized (mPackages) { 4335 final PackageParser.Package pkg = mPackages.get(packageName); 4336 if (pkg == null) { 4337 return 0; 4338 } 4339 4340 final BasePermission bp = mSettings.mPermissions.get(name); 4341 if (bp == null) { 4342 return 0; 4343 } 4344 4345 SettingBase sb = (SettingBase) pkg.mExtras; 4346 if (sb == null) { 4347 return 0; 4348 } 4349 4350 PermissionsState permissionsState = sb.getPermissionsState(); 4351 return permissionsState.getPermissionFlags(name, userId); 4352 } 4353 } 4354 4355 @Override 4356 public void updatePermissionFlags(String name, String packageName, int flagMask, 4357 int flagValues, int userId) { 4358 if (!sUserManager.exists(userId)) { 4359 return; 4360 } 4361 4362 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4363 4364 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4365 true /* requireFullPermission */, true /* checkShell */, 4366 "updatePermissionFlags"); 4367 4368 // Only the system can change these flags and nothing else. 4369 if (getCallingUid() != Process.SYSTEM_UID) { 4370 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4371 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4372 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4373 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4374 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4375 } 4376 4377 synchronized (mPackages) { 4378 final PackageParser.Package pkg = mPackages.get(packageName); 4379 if (pkg == null) { 4380 throw new IllegalArgumentException("Unknown package: " + packageName); 4381 } 4382 4383 final BasePermission bp = mSettings.mPermissions.get(name); 4384 if (bp == null) { 4385 throw new IllegalArgumentException("Unknown permission: " + name); 4386 } 4387 4388 SettingBase sb = (SettingBase) pkg.mExtras; 4389 if (sb == null) { 4390 throw new IllegalArgumentException("Unknown package: " + packageName); 4391 } 4392 4393 PermissionsState permissionsState = sb.getPermissionsState(); 4394 4395 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4396 4397 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4398 // Install and runtime permissions are stored in different places, 4399 // so figure out what permission changed and persist the change. 4400 if (permissionsState.getInstallPermissionState(name) != null) { 4401 scheduleWriteSettingsLocked(); 4402 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4403 || hadState) { 4404 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4405 } 4406 } 4407 } 4408 } 4409 4410 /** 4411 * Update the permission flags for all packages and runtime permissions of a user in order 4412 * to allow device or profile owner to remove POLICY_FIXED. 4413 */ 4414 @Override 4415 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4416 if (!sUserManager.exists(userId)) { 4417 return; 4418 } 4419 4420 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4421 4422 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4423 true /* requireFullPermission */, true /* checkShell */, 4424 "updatePermissionFlagsForAllApps"); 4425 4426 // Only the system can change system fixed flags. 4427 if (getCallingUid() != Process.SYSTEM_UID) { 4428 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4429 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4430 } 4431 4432 synchronized (mPackages) { 4433 boolean changed = false; 4434 final int packageCount = mPackages.size(); 4435 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4436 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4437 SettingBase sb = (SettingBase) pkg.mExtras; 4438 if (sb == null) { 4439 continue; 4440 } 4441 PermissionsState permissionsState = sb.getPermissionsState(); 4442 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4443 userId, flagMask, flagValues); 4444 } 4445 if (changed) { 4446 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4447 } 4448 } 4449 } 4450 4451 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4452 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4453 != PackageManager.PERMISSION_GRANTED 4454 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4455 != PackageManager.PERMISSION_GRANTED) { 4456 throw new SecurityException(message + " requires " 4457 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4458 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4459 } 4460 } 4461 4462 @Override 4463 public boolean shouldShowRequestPermissionRationale(String permissionName, 4464 String packageName, int userId) { 4465 if (UserHandle.getCallingUserId() != userId) { 4466 mContext.enforceCallingPermission( 4467 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4468 "canShowRequestPermissionRationale for user " + userId); 4469 } 4470 4471 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4472 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4473 return false; 4474 } 4475 4476 if (checkPermission(permissionName, packageName, userId) 4477 == PackageManager.PERMISSION_GRANTED) { 4478 return false; 4479 } 4480 4481 final int flags; 4482 4483 final long identity = Binder.clearCallingIdentity(); 4484 try { 4485 flags = getPermissionFlags(permissionName, 4486 packageName, userId); 4487 } finally { 4488 Binder.restoreCallingIdentity(identity); 4489 } 4490 4491 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4492 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4493 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4494 4495 if ((flags & fixedFlags) != 0) { 4496 return false; 4497 } 4498 4499 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4500 } 4501 4502 @Override 4503 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4504 mContext.enforceCallingOrSelfPermission( 4505 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4506 "addOnPermissionsChangeListener"); 4507 4508 synchronized (mPackages) { 4509 mOnPermissionChangeListeners.addListenerLocked(listener); 4510 } 4511 } 4512 4513 @Override 4514 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4515 synchronized (mPackages) { 4516 mOnPermissionChangeListeners.removeListenerLocked(listener); 4517 } 4518 } 4519 4520 @Override 4521 public boolean isProtectedBroadcast(String actionName) { 4522 synchronized (mPackages) { 4523 if (mProtectedBroadcasts.contains(actionName)) { 4524 return true; 4525 } else if (actionName != null) { 4526 // TODO: remove these terrible hacks 4527 if (actionName.startsWith("android.net.netmon.lingerExpired") 4528 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4529 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4530 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4531 return true; 4532 } 4533 } 4534 } 4535 return false; 4536 } 4537 4538 @Override 4539 public int checkSignatures(String pkg1, String pkg2) { 4540 synchronized (mPackages) { 4541 final PackageParser.Package p1 = mPackages.get(pkg1); 4542 final PackageParser.Package p2 = mPackages.get(pkg2); 4543 if (p1 == null || p1.mExtras == null 4544 || p2 == null || p2.mExtras == null) { 4545 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4546 } 4547 return compareSignatures(p1.mSignatures, p2.mSignatures); 4548 } 4549 } 4550 4551 @Override 4552 public int checkUidSignatures(int uid1, int uid2) { 4553 // Map to base uids. 4554 uid1 = UserHandle.getAppId(uid1); 4555 uid2 = UserHandle.getAppId(uid2); 4556 // reader 4557 synchronized (mPackages) { 4558 Signature[] s1; 4559 Signature[] s2; 4560 Object obj = mSettings.getUserIdLPr(uid1); 4561 if (obj != null) { 4562 if (obj instanceof SharedUserSetting) { 4563 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4564 } else if (obj instanceof PackageSetting) { 4565 s1 = ((PackageSetting)obj).signatures.mSignatures; 4566 } else { 4567 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4568 } 4569 } else { 4570 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4571 } 4572 obj = mSettings.getUserIdLPr(uid2); 4573 if (obj != null) { 4574 if (obj instanceof SharedUserSetting) { 4575 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4576 } else if (obj instanceof PackageSetting) { 4577 s2 = ((PackageSetting)obj).signatures.mSignatures; 4578 } else { 4579 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4580 } 4581 } else { 4582 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4583 } 4584 return compareSignatures(s1, s2); 4585 } 4586 } 4587 4588 /** 4589 * This method should typically only be used when granting or revoking 4590 * permissions, since the app may immediately restart after this call. 4591 * <p> 4592 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4593 * guard your work against the app being relaunched. 4594 */ 4595 private void killUid(int appId, int userId, String reason) { 4596 final long identity = Binder.clearCallingIdentity(); 4597 try { 4598 IActivityManager am = ActivityManagerNative.getDefault(); 4599 if (am != null) { 4600 try { 4601 am.killUid(appId, userId, reason); 4602 } catch (RemoteException e) { 4603 /* ignore - same process */ 4604 } 4605 } 4606 } finally { 4607 Binder.restoreCallingIdentity(identity); 4608 } 4609 } 4610 4611 /** 4612 * Compares two sets of signatures. Returns: 4613 * <br /> 4614 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4615 * <br /> 4616 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4617 * <br /> 4618 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4619 * <br /> 4620 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4621 * <br /> 4622 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4623 */ 4624 static int compareSignatures(Signature[] s1, Signature[] s2) { 4625 if (s1 == null) { 4626 return s2 == null 4627 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4628 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4629 } 4630 4631 if (s2 == null) { 4632 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4633 } 4634 4635 if (s1.length != s2.length) { 4636 return PackageManager.SIGNATURE_NO_MATCH; 4637 } 4638 4639 // Since both signature sets are of size 1, we can compare without HashSets. 4640 if (s1.length == 1) { 4641 return s1[0].equals(s2[0]) ? 4642 PackageManager.SIGNATURE_MATCH : 4643 PackageManager.SIGNATURE_NO_MATCH; 4644 } 4645 4646 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4647 for (Signature sig : s1) { 4648 set1.add(sig); 4649 } 4650 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4651 for (Signature sig : s2) { 4652 set2.add(sig); 4653 } 4654 // Make sure s2 contains all signatures in s1. 4655 if (set1.equals(set2)) { 4656 return PackageManager.SIGNATURE_MATCH; 4657 } 4658 return PackageManager.SIGNATURE_NO_MATCH; 4659 } 4660 4661 /** 4662 * If the database version for this type of package (internal storage or 4663 * external storage) is less than the version where package signatures 4664 * were updated, return true. 4665 */ 4666 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4667 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4668 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4669 } 4670 4671 /** 4672 * Used for backward compatibility to make sure any packages with 4673 * certificate chains get upgraded to the new style. {@code existingSigs} 4674 * will be in the old format (since they were stored on disk from before the 4675 * system upgrade) and {@code scannedSigs} will be in the newer format. 4676 */ 4677 private int compareSignaturesCompat(PackageSignatures existingSigs, 4678 PackageParser.Package scannedPkg) { 4679 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4680 return PackageManager.SIGNATURE_NO_MATCH; 4681 } 4682 4683 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4684 for (Signature sig : existingSigs.mSignatures) { 4685 existingSet.add(sig); 4686 } 4687 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4688 for (Signature sig : scannedPkg.mSignatures) { 4689 try { 4690 Signature[] chainSignatures = sig.getChainSignatures(); 4691 for (Signature chainSig : chainSignatures) { 4692 scannedCompatSet.add(chainSig); 4693 } 4694 } catch (CertificateEncodingException e) { 4695 scannedCompatSet.add(sig); 4696 } 4697 } 4698 /* 4699 * Make sure the expanded scanned set contains all signatures in the 4700 * existing one. 4701 */ 4702 if (scannedCompatSet.equals(existingSet)) { 4703 // Migrate the old signatures to the new scheme. 4704 existingSigs.assignSignatures(scannedPkg.mSignatures); 4705 // The new KeySets will be re-added later in the scanning process. 4706 synchronized (mPackages) { 4707 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4708 } 4709 return PackageManager.SIGNATURE_MATCH; 4710 } 4711 return PackageManager.SIGNATURE_NO_MATCH; 4712 } 4713 4714 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4715 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4716 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4717 } 4718 4719 private int compareSignaturesRecover(PackageSignatures existingSigs, 4720 PackageParser.Package scannedPkg) { 4721 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4722 return PackageManager.SIGNATURE_NO_MATCH; 4723 } 4724 4725 String msg = null; 4726 try { 4727 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4728 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4729 + scannedPkg.packageName); 4730 return PackageManager.SIGNATURE_MATCH; 4731 } 4732 } catch (CertificateException e) { 4733 msg = e.getMessage(); 4734 } 4735 4736 logCriticalInfo(Log.INFO, 4737 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4738 return PackageManager.SIGNATURE_NO_MATCH; 4739 } 4740 4741 @Override 4742 public List<String> getAllPackages() { 4743 synchronized (mPackages) { 4744 return new ArrayList<String>(mPackages.keySet()); 4745 } 4746 } 4747 4748 @Override 4749 public String[] getPackagesForUid(int uid) { 4750 uid = UserHandle.getAppId(uid); 4751 // reader 4752 synchronized (mPackages) { 4753 Object obj = mSettings.getUserIdLPr(uid); 4754 if (obj instanceof SharedUserSetting) { 4755 final SharedUserSetting sus = (SharedUserSetting) obj; 4756 final int N = sus.packages.size(); 4757 final String[] res = new String[N]; 4758 final Iterator<PackageSetting> it = sus.packages.iterator(); 4759 int i = 0; 4760 while (it.hasNext()) { 4761 res[i++] = it.next().name; 4762 } 4763 return res; 4764 } else if (obj instanceof PackageSetting) { 4765 final PackageSetting ps = (PackageSetting) obj; 4766 return new String[] { ps.name }; 4767 } 4768 } 4769 return null; 4770 } 4771 4772 @Override 4773 public String getNameForUid(int uid) { 4774 // reader 4775 synchronized (mPackages) { 4776 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4777 if (obj instanceof SharedUserSetting) { 4778 final SharedUserSetting sus = (SharedUserSetting) obj; 4779 return sus.name + ":" + sus.userId; 4780 } else if (obj instanceof PackageSetting) { 4781 final PackageSetting ps = (PackageSetting) obj; 4782 return ps.name; 4783 } 4784 } 4785 return null; 4786 } 4787 4788 @Override 4789 public int getUidForSharedUser(String sharedUserName) { 4790 if(sharedUserName == null) { 4791 return -1; 4792 } 4793 // reader 4794 synchronized (mPackages) { 4795 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4796 if (suid == null) { 4797 return -1; 4798 } 4799 return suid.userId; 4800 } 4801 } 4802 4803 @Override 4804 public int getFlagsForUid(int uid) { 4805 synchronized (mPackages) { 4806 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4807 if (obj instanceof SharedUserSetting) { 4808 final SharedUserSetting sus = (SharedUserSetting) obj; 4809 return sus.pkgFlags; 4810 } else if (obj instanceof PackageSetting) { 4811 final PackageSetting ps = (PackageSetting) obj; 4812 return ps.pkgFlags; 4813 } 4814 } 4815 return 0; 4816 } 4817 4818 @Override 4819 public int getPrivateFlagsForUid(int uid) { 4820 synchronized (mPackages) { 4821 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4822 if (obj instanceof SharedUserSetting) { 4823 final SharedUserSetting sus = (SharedUserSetting) obj; 4824 return sus.pkgPrivateFlags; 4825 } else if (obj instanceof PackageSetting) { 4826 final PackageSetting ps = (PackageSetting) obj; 4827 return ps.pkgPrivateFlags; 4828 } 4829 } 4830 return 0; 4831 } 4832 4833 @Override 4834 public boolean isUidPrivileged(int uid) { 4835 uid = UserHandle.getAppId(uid); 4836 // reader 4837 synchronized (mPackages) { 4838 Object obj = mSettings.getUserIdLPr(uid); 4839 if (obj instanceof SharedUserSetting) { 4840 final SharedUserSetting sus = (SharedUserSetting) obj; 4841 final Iterator<PackageSetting> it = sus.packages.iterator(); 4842 while (it.hasNext()) { 4843 if (it.next().isPrivileged()) { 4844 return true; 4845 } 4846 } 4847 } else if (obj instanceof PackageSetting) { 4848 final PackageSetting ps = (PackageSetting) obj; 4849 return ps.isPrivileged(); 4850 } 4851 } 4852 return false; 4853 } 4854 4855 @Override 4856 public String[] getAppOpPermissionPackages(String permissionName) { 4857 synchronized (mPackages) { 4858 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4859 if (pkgs == null) { 4860 return null; 4861 } 4862 return pkgs.toArray(new String[pkgs.size()]); 4863 } 4864 } 4865 4866 @Override 4867 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4868 int flags, int userId) { 4869 try { 4870 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4871 4872 if (!sUserManager.exists(userId)) return null; 4873 flags = updateFlagsForResolve(flags, userId, intent); 4874 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4875 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4876 4877 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4878 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4879 flags, userId); 4880 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4881 4882 final ResolveInfo bestChoice = 4883 chooseBestActivity(intent, resolvedType, flags, query, userId); 4884 4885 if (isEphemeralAllowed(intent, query, userId)) { 4886 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4887 final EphemeralResolveInfo ai = 4888 getEphemeralResolveInfo(intent, resolvedType, userId); 4889 if (ai != null) { 4890 if (DEBUG_EPHEMERAL) { 4891 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4892 } 4893 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4894 bestChoice.ephemeralResolveInfo = ai; 4895 } 4896 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4897 } 4898 return bestChoice; 4899 } finally { 4900 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4901 } 4902 } 4903 4904 @Override 4905 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4906 IntentFilter filter, int match, ComponentName activity) { 4907 final int userId = UserHandle.getCallingUserId(); 4908 if (DEBUG_PREFERRED) { 4909 Log.v(TAG, "setLastChosenActivity intent=" + intent 4910 + " resolvedType=" + resolvedType 4911 + " flags=" + flags 4912 + " filter=" + filter 4913 + " match=" + match 4914 + " activity=" + activity); 4915 filter.dump(new PrintStreamPrinter(System.out), " "); 4916 } 4917 intent.setComponent(null); 4918 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4919 userId); 4920 // Find any earlier preferred or last chosen entries and nuke them 4921 findPreferredActivity(intent, resolvedType, 4922 flags, query, 0, false, true, false, userId); 4923 // Add the new activity as the last chosen for this filter 4924 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4925 "Setting last chosen"); 4926 } 4927 4928 @Override 4929 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4930 final int userId = UserHandle.getCallingUserId(); 4931 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4932 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4933 userId); 4934 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4935 false, false, false, userId); 4936 } 4937 4938 4939 private boolean isEphemeralAllowed( 4940 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4941 // Short circuit and return early if possible. 4942 if (DISABLE_EPHEMERAL_APPS) { 4943 return false; 4944 } 4945 final int callingUser = UserHandle.getCallingUserId(); 4946 if (callingUser != UserHandle.USER_SYSTEM) { 4947 return false; 4948 } 4949 if (mEphemeralResolverConnection == null) { 4950 return false; 4951 } 4952 if (intent.getComponent() != null) { 4953 return false; 4954 } 4955 if (intent.getPackage() != null) { 4956 return false; 4957 } 4958 final boolean isWebUri = hasWebURI(intent); 4959 if (!isWebUri) { 4960 return false; 4961 } 4962 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4963 synchronized (mPackages) { 4964 final int count = resolvedActivites.size(); 4965 for (int n = 0; n < count; n++) { 4966 ResolveInfo info = resolvedActivites.get(n); 4967 String packageName = info.activityInfo.packageName; 4968 PackageSetting ps = mSettings.mPackages.get(packageName); 4969 if (ps != null) { 4970 // Try to get the status from User settings first 4971 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4972 int status = (int) (packedStatus >> 32); 4973 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4974 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4975 if (DEBUG_EPHEMERAL) { 4976 Slog.v(TAG, "DENY ephemeral apps;" 4977 + " pkg: " + packageName + ", status: " + status); 4978 } 4979 return false; 4980 } 4981 } 4982 } 4983 } 4984 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4985 return true; 4986 } 4987 4988 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4989 int userId) { 4990 MessageDigest digest = null; 4991 try { 4992 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4993 } catch (NoSuchAlgorithmException e) { 4994 // If we can't create a digest, ignore ephemeral apps. 4995 return null; 4996 } 4997 4998 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4999 final byte[] digestBytes = digest.digest(hostBytes); 5000 int shaPrefix = 5001 digestBytes[0] << 24 5002 | digestBytes[1] << 16 5003 | digestBytes[2] << 8 5004 | digestBytes[3] << 0; 5005 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5006 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 5007 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5008 // No hash prefix match; there are no ephemeral apps for this domain. 5009 return null; 5010 } 5011 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 5012 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 5013 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 5014 continue; 5015 } 5016 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5017 // No filters; this should never happen. 5018 if (filters.isEmpty()) { 5019 continue; 5020 } 5021 // We have a domain match; resolve the filters to see if anything matches. 5022 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5023 for (int j = filters.size() - 1; j >= 0; --j) { 5024 final EphemeralResolveIntentInfo intentInfo = 5025 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5026 ephemeralResolver.addFilter(intentInfo); 5027 } 5028 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5029 intent, resolvedType, false /*defaultOnly*/, userId); 5030 if (!matchedResolveInfoList.isEmpty()) { 5031 return matchedResolveInfoList.get(0); 5032 } 5033 } 5034 // Hash or filter mis-match; no ephemeral apps for this domain. 5035 return null; 5036 } 5037 5038 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5039 int flags, List<ResolveInfo> query, int userId) { 5040 if (query != null) { 5041 final int N = query.size(); 5042 if (N == 1) { 5043 return query.get(0); 5044 } else if (N > 1) { 5045 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5046 // If there is more than one activity with the same priority, 5047 // then let the user decide between them. 5048 ResolveInfo r0 = query.get(0); 5049 ResolveInfo r1 = query.get(1); 5050 if (DEBUG_INTENT_MATCHING || debug) { 5051 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5052 + r1.activityInfo.name + "=" + r1.priority); 5053 } 5054 // If the first activity has a higher priority, or a different 5055 // default, then it is always desirable to pick it. 5056 if (r0.priority != r1.priority 5057 || r0.preferredOrder != r1.preferredOrder 5058 || r0.isDefault != r1.isDefault) { 5059 return query.get(0); 5060 } 5061 // If we have saved a preference for a preferred activity for 5062 // this Intent, use that. 5063 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5064 flags, query, r0.priority, true, false, debug, userId); 5065 if (ri != null) { 5066 return ri; 5067 } 5068 ri = new ResolveInfo(mResolveInfo); 5069 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5070 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5071 // If all of the options come from the same package, show the application's 5072 // label and icon instead of the generic resolver's. 5073 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5074 // and then throw away the ResolveInfo itself, meaning that the caller loses 5075 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5076 // a fallback for this case; we only set the target package's resources on 5077 // the ResolveInfo, not the ActivityInfo. 5078 final String intentPackage = intent.getPackage(); 5079 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5080 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5081 ri.resolvePackageName = intentPackage; 5082 if (userNeedsBadging(userId)) { 5083 ri.noResourceId = true; 5084 } else { 5085 ri.icon = appi.icon; 5086 } 5087 ri.iconResourceId = appi.icon; 5088 ri.labelRes = appi.labelRes; 5089 } 5090 ri.activityInfo.applicationInfo = new ApplicationInfo( 5091 ri.activityInfo.applicationInfo); 5092 if (userId != 0) { 5093 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5094 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5095 } 5096 // Make sure that the resolver is displayable in car mode 5097 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5098 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5099 return ri; 5100 } 5101 } 5102 return null; 5103 } 5104 5105 /** 5106 * Return true if the given list is not empty and all of its contents have 5107 * an activityInfo with the given package name. 5108 */ 5109 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5110 if (ArrayUtils.isEmpty(list)) { 5111 return false; 5112 } 5113 for (int i = 0, N = list.size(); i < N; i++) { 5114 final ResolveInfo ri = list.get(i); 5115 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5116 if (ai == null || !packageName.equals(ai.packageName)) { 5117 return false; 5118 } 5119 } 5120 return true; 5121 } 5122 5123 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5124 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5125 final int N = query.size(); 5126 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5127 .get(userId); 5128 // Get the list of persistent preferred activities that handle the intent 5129 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5130 List<PersistentPreferredActivity> pprefs = ppir != null 5131 ? ppir.queryIntent(intent, resolvedType, 5132 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5133 : null; 5134 if (pprefs != null && pprefs.size() > 0) { 5135 final int M = pprefs.size(); 5136 for (int i=0; i<M; i++) { 5137 final PersistentPreferredActivity ppa = pprefs.get(i); 5138 if (DEBUG_PREFERRED || debug) { 5139 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5140 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5141 + "\n component=" + ppa.mComponent); 5142 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5143 } 5144 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5145 flags | MATCH_DISABLED_COMPONENTS, userId); 5146 if (DEBUG_PREFERRED || debug) { 5147 Slog.v(TAG, "Found persistent preferred activity:"); 5148 if (ai != null) { 5149 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5150 } else { 5151 Slog.v(TAG, " null"); 5152 } 5153 } 5154 if (ai == null) { 5155 // This previously registered persistent preferred activity 5156 // component is no longer known. Ignore it and do NOT remove it. 5157 continue; 5158 } 5159 for (int j=0; j<N; j++) { 5160 final ResolveInfo ri = query.get(j); 5161 if (!ri.activityInfo.applicationInfo.packageName 5162 .equals(ai.applicationInfo.packageName)) { 5163 continue; 5164 } 5165 if (!ri.activityInfo.name.equals(ai.name)) { 5166 continue; 5167 } 5168 // Found a persistent preference that can handle the intent. 5169 if (DEBUG_PREFERRED || debug) { 5170 Slog.v(TAG, "Returning persistent preferred activity: " + 5171 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5172 } 5173 return ri; 5174 } 5175 } 5176 } 5177 return null; 5178 } 5179 5180 // TODO: handle preferred activities missing while user has amnesia 5181 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5182 List<ResolveInfo> query, int priority, boolean always, 5183 boolean removeMatches, boolean debug, int userId) { 5184 if (!sUserManager.exists(userId)) return null; 5185 flags = updateFlagsForResolve(flags, userId, intent); 5186 // writer 5187 synchronized (mPackages) { 5188 if (intent.getSelector() != null) { 5189 intent = intent.getSelector(); 5190 } 5191 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5192 5193 // Try to find a matching persistent preferred activity. 5194 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5195 debug, userId); 5196 5197 // If a persistent preferred activity matched, use it. 5198 if (pri != null) { 5199 return pri; 5200 } 5201 5202 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5203 // Get the list of preferred activities that handle the intent 5204 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5205 List<PreferredActivity> prefs = pir != null 5206 ? pir.queryIntent(intent, resolvedType, 5207 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5208 : null; 5209 if (prefs != null && prefs.size() > 0) { 5210 boolean changed = false; 5211 try { 5212 // First figure out how good the original match set is. 5213 // We will only allow preferred activities that came 5214 // from the same match quality. 5215 int match = 0; 5216 5217 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5218 5219 final int N = query.size(); 5220 for (int j=0; j<N; j++) { 5221 final ResolveInfo ri = query.get(j); 5222 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5223 + ": 0x" + Integer.toHexString(match)); 5224 if (ri.match > match) { 5225 match = ri.match; 5226 } 5227 } 5228 5229 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5230 + Integer.toHexString(match)); 5231 5232 match &= IntentFilter.MATCH_CATEGORY_MASK; 5233 final int M = prefs.size(); 5234 for (int i=0; i<M; i++) { 5235 final PreferredActivity pa = prefs.get(i); 5236 if (DEBUG_PREFERRED || debug) { 5237 Slog.v(TAG, "Checking PreferredActivity ds=" 5238 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5239 + "\n component=" + pa.mPref.mComponent); 5240 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5241 } 5242 if (pa.mPref.mMatch != match) { 5243 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5244 + Integer.toHexString(pa.mPref.mMatch)); 5245 continue; 5246 } 5247 // If it's not an "always" type preferred activity and that's what we're 5248 // looking for, skip it. 5249 if (always && !pa.mPref.mAlways) { 5250 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5251 continue; 5252 } 5253 final ActivityInfo ai = getActivityInfo( 5254 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5255 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5256 userId); 5257 if (DEBUG_PREFERRED || debug) { 5258 Slog.v(TAG, "Found preferred activity:"); 5259 if (ai != null) { 5260 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5261 } else { 5262 Slog.v(TAG, " null"); 5263 } 5264 } 5265 if (ai == null) { 5266 // This previously registered preferred activity 5267 // component is no longer known. Most likely an update 5268 // to the app was installed and in the new version this 5269 // component no longer exists. Clean it up by removing 5270 // it from the preferred activities list, and skip it. 5271 Slog.w(TAG, "Removing dangling preferred activity: " 5272 + pa.mPref.mComponent); 5273 pir.removeFilter(pa); 5274 changed = true; 5275 continue; 5276 } 5277 for (int j=0; j<N; j++) { 5278 final ResolveInfo ri = query.get(j); 5279 if (!ri.activityInfo.applicationInfo.packageName 5280 .equals(ai.applicationInfo.packageName)) { 5281 continue; 5282 } 5283 if (!ri.activityInfo.name.equals(ai.name)) { 5284 continue; 5285 } 5286 5287 if (removeMatches) { 5288 pir.removeFilter(pa); 5289 changed = true; 5290 if (DEBUG_PREFERRED) { 5291 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5292 } 5293 break; 5294 } 5295 5296 // Okay we found a previously set preferred or last chosen app. 5297 // If the result set is different from when this 5298 // was created, we need to clear it and re-ask the 5299 // user their preference, if we're looking for an "always" type entry. 5300 if (always && !pa.mPref.sameSet(query)) { 5301 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5302 + intent + " type " + resolvedType); 5303 if (DEBUG_PREFERRED) { 5304 Slog.v(TAG, "Removing preferred activity since set changed " 5305 + pa.mPref.mComponent); 5306 } 5307 pir.removeFilter(pa); 5308 // Re-add the filter as a "last chosen" entry (!always) 5309 PreferredActivity lastChosen = new PreferredActivity( 5310 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5311 pir.addFilter(lastChosen); 5312 changed = true; 5313 return null; 5314 } 5315 5316 // Yay! Either the set matched or we're looking for the last chosen 5317 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5318 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5319 return ri; 5320 } 5321 } 5322 } finally { 5323 if (changed) { 5324 if (DEBUG_PREFERRED) { 5325 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5326 } 5327 scheduleWritePackageRestrictionsLocked(userId); 5328 } 5329 } 5330 } 5331 } 5332 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5333 return null; 5334 } 5335 5336 /* 5337 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5338 */ 5339 @Override 5340 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5341 int targetUserId) { 5342 mContext.enforceCallingOrSelfPermission( 5343 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5344 List<CrossProfileIntentFilter> matches = 5345 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5346 if (matches != null) { 5347 int size = matches.size(); 5348 for (int i = 0; i < size; i++) { 5349 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5350 } 5351 } 5352 if (hasWebURI(intent)) { 5353 // cross-profile app linking works only towards the parent. 5354 final UserInfo parent = getProfileParent(sourceUserId); 5355 synchronized(mPackages) { 5356 int flags = updateFlagsForResolve(0, parent.id, intent); 5357 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5358 intent, resolvedType, flags, sourceUserId, parent.id); 5359 return xpDomainInfo != null; 5360 } 5361 } 5362 return false; 5363 } 5364 5365 private UserInfo getProfileParent(int userId) { 5366 final long identity = Binder.clearCallingIdentity(); 5367 try { 5368 return sUserManager.getProfileParent(userId); 5369 } finally { 5370 Binder.restoreCallingIdentity(identity); 5371 } 5372 } 5373 5374 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5375 String resolvedType, int userId) { 5376 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5377 if (resolver != null) { 5378 return resolver.queryIntent(intent, resolvedType, false, userId); 5379 } 5380 return null; 5381 } 5382 5383 @Override 5384 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5385 String resolvedType, int flags, int userId) { 5386 try { 5387 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5388 5389 return new ParceledListSlice<>( 5390 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5391 } finally { 5392 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5393 } 5394 } 5395 5396 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5397 String resolvedType, int flags, int userId) { 5398 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5399 flags = updateFlagsForResolve(flags, userId, intent); 5400 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5401 false /* requireFullPermission */, false /* checkShell */, 5402 "query intent activities"); 5403 ComponentName comp = intent.getComponent(); 5404 if (comp == null) { 5405 if (intent.getSelector() != null) { 5406 intent = intent.getSelector(); 5407 comp = intent.getComponent(); 5408 } 5409 } 5410 5411 if (comp != null) { 5412 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5413 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5414 if (ai != null) { 5415 final ResolveInfo ri = new ResolveInfo(); 5416 ri.activityInfo = ai; 5417 list.add(ri); 5418 } 5419 return list; 5420 } 5421 5422 // reader 5423 synchronized (mPackages) { 5424 final String pkgName = intent.getPackage(); 5425 if (pkgName == null) { 5426 List<CrossProfileIntentFilter> matchingFilters = 5427 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5428 // Check for results that need to skip the current profile. 5429 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5430 resolvedType, flags, userId); 5431 if (xpResolveInfo != null) { 5432 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5433 result.add(xpResolveInfo); 5434 return filterIfNotSystemUser(result, userId); 5435 } 5436 5437 // Check for results in the current profile. 5438 List<ResolveInfo> result = mActivities.queryIntent( 5439 intent, resolvedType, flags, userId); 5440 result = filterIfNotSystemUser(result, userId); 5441 5442 // Check for cross profile results. 5443 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5444 xpResolveInfo = queryCrossProfileIntents( 5445 matchingFilters, intent, resolvedType, flags, userId, 5446 hasNonNegativePriorityResult); 5447 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5448 boolean isVisibleToUser = filterIfNotSystemUser( 5449 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5450 if (isVisibleToUser) { 5451 result.add(xpResolveInfo); 5452 Collections.sort(result, mResolvePrioritySorter); 5453 } 5454 } 5455 if (hasWebURI(intent)) { 5456 CrossProfileDomainInfo xpDomainInfo = null; 5457 final UserInfo parent = getProfileParent(userId); 5458 if (parent != null) { 5459 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5460 flags, userId, parent.id); 5461 } 5462 if (xpDomainInfo != null) { 5463 if (xpResolveInfo != null) { 5464 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5465 // in the result. 5466 result.remove(xpResolveInfo); 5467 } 5468 if (result.size() == 0) { 5469 result.add(xpDomainInfo.resolveInfo); 5470 return result; 5471 } 5472 } else if (result.size() <= 1) { 5473 return result; 5474 } 5475 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5476 xpDomainInfo, userId); 5477 Collections.sort(result, mResolvePrioritySorter); 5478 } 5479 return result; 5480 } 5481 final PackageParser.Package pkg = mPackages.get(pkgName); 5482 if (pkg != null) { 5483 return filterIfNotSystemUser( 5484 mActivities.queryIntentForPackage( 5485 intent, resolvedType, flags, pkg.activities, userId), 5486 userId); 5487 } 5488 return new ArrayList<ResolveInfo>(); 5489 } 5490 } 5491 5492 private static class CrossProfileDomainInfo { 5493 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5494 ResolveInfo resolveInfo; 5495 /* Best domain verification status of the activities found in the other profile */ 5496 int bestDomainVerificationStatus; 5497 } 5498 5499 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5500 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5501 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5502 sourceUserId)) { 5503 return null; 5504 } 5505 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5506 resolvedType, flags, parentUserId); 5507 5508 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5509 return null; 5510 } 5511 CrossProfileDomainInfo result = null; 5512 int size = resultTargetUser.size(); 5513 for (int i = 0; i < size; i++) { 5514 ResolveInfo riTargetUser = resultTargetUser.get(i); 5515 // Intent filter verification is only for filters that specify a host. So don't return 5516 // those that handle all web uris. 5517 if (riTargetUser.handleAllWebDataURI) { 5518 continue; 5519 } 5520 String packageName = riTargetUser.activityInfo.packageName; 5521 PackageSetting ps = mSettings.mPackages.get(packageName); 5522 if (ps == null) { 5523 continue; 5524 } 5525 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5526 int status = (int)(verificationState >> 32); 5527 if (result == null) { 5528 result = new CrossProfileDomainInfo(); 5529 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5530 sourceUserId, parentUserId); 5531 result.bestDomainVerificationStatus = status; 5532 } else { 5533 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5534 result.bestDomainVerificationStatus); 5535 } 5536 } 5537 // Don't consider matches with status NEVER across profiles. 5538 if (result != null && result.bestDomainVerificationStatus 5539 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5540 return null; 5541 } 5542 return result; 5543 } 5544 5545 /** 5546 * Verification statuses are ordered from the worse to the best, except for 5547 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5548 */ 5549 private int bestDomainVerificationStatus(int status1, int status2) { 5550 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5551 return status2; 5552 } 5553 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5554 return status1; 5555 } 5556 return (int) MathUtils.max(status1, status2); 5557 } 5558 5559 private boolean isUserEnabled(int userId) { 5560 long callingId = Binder.clearCallingIdentity(); 5561 try { 5562 UserInfo userInfo = sUserManager.getUserInfo(userId); 5563 return userInfo != null && userInfo.isEnabled(); 5564 } finally { 5565 Binder.restoreCallingIdentity(callingId); 5566 } 5567 } 5568 5569 /** 5570 * Filter out activities with systemUserOnly flag set, when current user is not System. 5571 * 5572 * @return filtered list 5573 */ 5574 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5575 if (userId == UserHandle.USER_SYSTEM) { 5576 return resolveInfos; 5577 } 5578 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5579 ResolveInfo info = resolveInfos.get(i); 5580 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5581 resolveInfos.remove(i); 5582 } 5583 } 5584 return resolveInfos; 5585 } 5586 5587 /** 5588 * @param resolveInfos list of resolve infos in descending priority order 5589 * @return if the list contains a resolve info with non-negative priority 5590 */ 5591 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5592 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5593 } 5594 5595 private static boolean hasWebURI(Intent intent) { 5596 if (intent.getData() == null) { 5597 return false; 5598 } 5599 final String scheme = intent.getScheme(); 5600 if (TextUtils.isEmpty(scheme)) { 5601 return false; 5602 } 5603 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5604 } 5605 5606 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5607 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5608 int userId) { 5609 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5610 5611 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5612 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5613 candidates.size()); 5614 } 5615 5616 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5617 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5618 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5619 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5620 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5621 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5622 5623 synchronized (mPackages) { 5624 final int count = candidates.size(); 5625 // First, try to use linked apps. Partition the candidates into four lists: 5626 // one for the final results, one for the "do not use ever", one for "undefined status" 5627 // and finally one for "browser app type". 5628 for (int n=0; n<count; n++) { 5629 ResolveInfo info = candidates.get(n); 5630 String packageName = info.activityInfo.packageName; 5631 PackageSetting ps = mSettings.mPackages.get(packageName); 5632 if (ps != null) { 5633 // Add to the special match all list (Browser use case) 5634 if (info.handleAllWebDataURI) { 5635 matchAllList.add(info); 5636 continue; 5637 } 5638 // Try to get the status from User settings first 5639 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5640 int status = (int)(packedStatus >> 32); 5641 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5642 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5643 if (DEBUG_DOMAIN_VERIFICATION) { 5644 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5645 + " : linkgen=" + linkGeneration); 5646 } 5647 // Use link-enabled generation as preferredOrder, i.e. 5648 // prefer newly-enabled over earlier-enabled. 5649 info.preferredOrder = linkGeneration; 5650 alwaysList.add(info); 5651 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5652 if (DEBUG_DOMAIN_VERIFICATION) { 5653 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5654 } 5655 neverList.add(info); 5656 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5657 if (DEBUG_DOMAIN_VERIFICATION) { 5658 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5659 } 5660 alwaysAskList.add(info); 5661 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5662 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5663 if (DEBUG_DOMAIN_VERIFICATION) { 5664 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5665 } 5666 undefinedList.add(info); 5667 } 5668 } 5669 } 5670 5671 // We'll want to include browser possibilities in a few cases 5672 boolean includeBrowser = false; 5673 5674 // First try to add the "always" resolution(s) for the current user, if any 5675 if (alwaysList.size() > 0) { 5676 result.addAll(alwaysList); 5677 } else { 5678 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5679 result.addAll(undefinedList); 5680 // Maybe add one for the other profile. 5681 if (xpDomainInfo != null && ( 5682 xpDomainInfo.bestDomainVerificationStatus 5683 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5684 result.add(xpDomainInfo.resolveInfo); 5685 } 5686 includeBrowser = true; 5687 } 5688 5689 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5690 // If there were 'always' entries their preferred order has been set, so we also 5691 // back that off to make the alternatives equivalent 5692 if (alwaysAskList.size() > 0) { 5693 for (ResolveInfo i : result) { 5694 i.preferredOrder = 0; 5695 } 5696 result.addAll(alwaysAskList); 5697 includeBrowser = true; 5698 } 5699 5700 if (includeBrowser) { 5701 // Also add browsers (all of them or only the default one) 5702 if (DEBUG_DOMAIN_VERIFICATION) { 5703 Slog.v(TAG, " ...including browsers in candidate set"); 5704 } 5705 if ((matchFlags & MATCH_ALL) != 0) { 5706 result.addAll(matchAllList); 5707 } else { 5708 // Browser/generic handling case. If there's a default browser, go straight 5709 // to that (but only if there is no other higher-priority match). 5710 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5711 int maxMatchPrio = 0; 5712 ResolveInfo defaultBrowserMatch = null; 5713 final int numCandidates = matchAllList.size(); 5714 for (int n = 0; n < numCandidates; n++) { 5715 ResolveInfo info = matchAllList.get(n); 5716 // track the highest overall match priority... 5717 if (info.priority > maxMatchPrio) { 5718 maxMatchPrio = info.priority; 5719 } 5720 // ...and the highest-priority default browser match 5721 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5722 if (defaultBrowserMatch == null 5723 || (defaultBrowserMatch.priority < info.priority)) { 5724 if (debug) { 5725 Slog.v(TAG, "Considering default browser match " + info); 5726 } 5727 defaultBrowserMatch = info; 5728 } 5729 } 5730 } 5731 if (defaultBrowserMatch != null 5732 && defaultBrowserMatch.priority >= maxMatchPrio 5733 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5734 { 5735 if (debug) { 5736 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5737 } 5738 result.add(defaultBrowserMatch); 5739 } else { 5740 result.addAll(matchAllList); 5741 } 5742 } 5743 5744 // If there is nothing selected, add all candidates and remove the ones that the user 5745 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5746 if (result.size() == 0) { 5747 result.addAll(candidates); 5748 result.removeAll(neverList); 5749 } 5750 } 5751 } 5752 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5753 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5754 result.size()); 5755 for (ResolveInfo info : result) { 5756 Slog.v(TAG, " + " + info.activityInfo); 5757 } 5758 } 5759 return result; 5760 } 5761 5762 // Returns a packed value as a long: 5763 // 5764 // high 'int'-sized word: link status: undefined/ask/never/always. 5765 // low 'int'-sized word: relative priority among 'always' results. 5766 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5767 long result = ps.getDomainVerificationStatusForUser(userId); 5768 // if none available, get the master status 5769 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5770 if (ps.getIntentFilterVerificationInfo() != null) { 5771 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5772 } 5773 } 5774 return result; 5775 } 5776 5777 private ResolveInfo querySkipCurrentProfileIntents( 5778 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5779 int flags, int sourceUserId) { 5780 if (matchingFilters != null) { 5781 int size = matchingFilters.size(); 5782 for (int i = 0; i < size; i ++) { 5783 CrossProfileIntentFilter filter = matchingFilters.get(i); 5784 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5785 // Checking if there are activities in the target user that can handle the 5786 // intent. 5787 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5788 resolvedType, flags, sourceUserId); 5789 if (resolveInfo != null) { 5790 return resolveInfo; 5791 } 5792 } 5793 } 5794 } 5795 return null; 5796 } 5797 5798 // Return matching ResolveInfo in target user if any. 5799 private ResolveInfo queryCrossProfileIntents( 5800 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5801 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5802 if (matchingFilters != null) { 5803 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5804 // match the same intent. For performance reasons, it is better not to 5805 // run queryIntent twice for the same userId 5806 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5807 int size = matchingFilters.size(); 5808 for (int i = 0; i < size; i++) { 5809 CrossProfileIntentFilter filter = matchingFilters.get(i); 5810 int targetUserId = filter.getTargetUserId(); 5811 boolean skipCurrentProfile = 5812 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5813 boolean skipCurrentProfileIfNoMatchFound = 5814 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5815 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5816 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5817 // Checking if there are activities in the target user that can handle the 5818 // intent. 5819 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5820 resolvedType, flags, sourceUserId); 5821 if (resolveInfo != null) return resolveInfo; 5822 alreadyTriedUserIds.put(targetUserId, true); 5823 } 5824 } 5825 } 5826 return null; 5827 } 5828 5829 /** 5830 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5831 * will forward the intent to the filter's target user. 5832 * Otherwise, returns null. 5833 */ 5834 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5835 String resolvedType, int flags, int sourceUserId) { 5836 int targetUserId = filter.getTargetUserId(); 5837 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5838 resolvedType, flags, targetUserId); 5839 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5840 // If all the matches in the target profile are suspended, return null. 5841 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5842 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5843 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5844 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5845 targetUserId); 5846 } 5847 } 5848 } 5849 return null; 5850 } 5851 5852 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5853 int sourceUserId, int targetUserId) { 5854 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5855 long ident = Binder.clearCallingIdentity(); 5856 boolean targetIsProfile; 5857 try { 5858 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5859 } finally { 5860 Binder.restoreCallingIdentity(ident); 5861 } 5862 String className; 5863 if (targetIsProfile) { 5864 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5865 } else { 5866 className = FORWARD_INTENT_TO_PARENT; 5867 } 5868 ComponentName forwardingActivityComponentName = new ComponentName( 5869 mAndroidApplication.packageName, className); 5870 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5871 sourceUserId); 5872 if (!targetIsProfile) { 5873 forwardingActivityInfo.showUserIcon = targetUserId; 5874 forwardingResolveInfo.noResourceId = true; 5875 } 5876 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5877 forwardingResolveInfo.priority = 0; 5878 forwardingResolveInfo.preferredOrder = 0; 5879 forwardingResolveInfo.match = 0; 5880 forwardingResolveInfo.isDefault = true; 5881 forwardingResolveInfo.filter = filter; 5882 forwardingResolveInfo.targetUserId = targetUserId; 5883 return forwardingResolveInfo; 5884 } 5885 5886 @Override 5887 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5888 Intent[] specifics, String[] specificTypes, Intent intent, 5889 String resolvedType, int flags, int userId) { 5890 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5891 specificTypes, intent, resolvedType, flags, userId)); 5892 } 5893 5894 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5895 Intent[] specifics, String[] specificTypes, Intent intent, 5896 String resolvedType, int flags, int userId) { 5897 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5898 flags = updateFlagsForResolve(flags, userId, intent); 5899 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5900 false /* requireFullPermission */, false /* checkShell */, 5901 "query intent activity options"); 5902 final String resultsAction = intent.getAction(); 5903 5904 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5905 | PackageManager.GET_RESOLVED_FILTER, userId); 5906 5907 if (DEBUG_INTENT_MATCHING) { 5908 Log.v(TAG, "Query " + intent + ": " + results); 5909 } 5910 5911 int specificsPos = 0; 5912 int N; 5913 5914 // todo: note that the algorithm used here is O(N^2). This 5915 // isn't a problem in our current environment, but if we start running 5916 // into situations where we have more than 5 or 10 matches then this 5917 // should probably be changed to something smarter... 5918 5919 // First we go through and resolve each of the specific items 5920 // that were supplied, taking care of removing any corresponding 5921 // duplicate items in the generic resolve list. 5922 if (specifics != null) { 5923 for (int i=0; i<specifics.length; i++) { 5924 final Intent sintent = specifics[i]; 5925 if (sintent == null) { 5926 continue; 5927 } 5928 5929 if (DEBUG_INTENT_MATCHING) { 5930 Log.v(TAG, "Specific #" + i + ": " + sintent); 5931 } 5932 5933 String action = sintent.getAction(); 5934 if (resultsAction != null && resultsAction.equals(action)) { 5935 // If this action was explicitly requested, then don't 5936 // remove things that have it. 5937 action = null; 5938 } 5939 5940 ResolveInfo ri = null; 5941 ActivityInfo ai = null; 5942 5943 ComponentName comp = sintent.getComponent(); 5944 if (comp == null) { 5945 ri = resolveIntent( 5946 sintent, 5947 specificTypes != null ? specificTypes[i] : null, 5948 flags, userId); 5949 if (ri == null) { 5950 continue; 5951 } 5952 if (ri == mResolveInfo) { 5953 // ACK! Must do something better with this. 5954 } 5955 ai = ri.activityInfo; 5956 comp = new ComponentName(ai.applicationInfo.packageName, 5957 ai.name); 5958 } else { 5959 ai = getActivityInfo(comp, flags, userId); 5960 if (ai == null) { 5961 continue; 5962 } 5963 } 5964 5965 // Look for any generic query activities that are duplicates 5966 // of this specific one, and remove them from the results. 5967 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5968 N = results.size(); 5969 int j; 5970 for (j=specificsPos; j<N; j++) { 5971 ResolveInfo sri = results.get(j); 5972 if ((sri.activityInfo.name.equals(comp.getClassName()) 5973 && sri.activityInfo.applicationInfo.packageName.equals( 5974 comp.getPackageName())) 5975 || (action != null && sri.filter.matchAction(action))) { 5976 results.remove(j); 5977 if (DEBUG_INTENT_MATCHING) Log.v( 5978 TAG, "Removing duplicate item from " + j 5979 + " due to specific " + specificsPos); 5980 if (ri == null) { 5981 ri = sri; 5982 } 5983 j--; 5984 N--; 5985 } 5986 } 5987 5988 // Add this specific item to its proper place. 5989 if (ri == null) { 5990 ri = new ResolveInfo(); 5991 ri.activityInfo = ai; 5992 } 5993 results.add(specificsPos, ri); 5994 ri.specificIndex = i; 5995 specificsPos++; 5996 } 5997 } 5998 5999 // Now we go through the remaining generic results and remove any 6000 // duplicate actions that are found here. 6001 N = results.size(); 6002 for (int i=specificsPos; i<N-1; i++) { 6003 final ResolveInfo rii = results.get(i); 6004 if (rii.filter == null) { 6005 continue; 6006 } 6007 6008 // Iterate over all of the actions of this result's intent 6009 // filter... typically this should be just one. 6010 final Iterator<String> it = rii.filter.actionsIterator(); 6011 if (it == null) { 6012 continue; 6013 } 6014 while (it.hasNext()) { 6015 final String action = it.next(); 6016 if (resultsAction != null && resultsAction.equals(action)) { 6017 // If this action was explicitly requested, then don't 6018 // remove things that have it. 6019 continue; 6020 } 6021 for (int j=i+1; j<N; j++) { 6022 final ResolveInfo rij = results.get(j); 6023 if (rij.filter != null && rij.filter.hasAction(action)) { 6024 results.remove(j); 6025 if (DEBUG_INTENT_MATCHING) Log.v( 6026 TAG, "Removing duplicate item from " + j 6027 + " due to action " + action + " at " + i); 6028 j--; 6029 N--; 6030 } 6031 } 6032 } 6033 6034 // If the caller didn't request filter information, drop it now 6035 // so we don't have to marshall/unmarshall it. 6036 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6037 rii.filter = null; 6038 } 6039 } 6040 6041 // Filter out the caller activity if so requested. 6042 if (caller != null) { 6043 N = results.size(); 6044 for (int i=0; i<N; i++) { 6045 ActivityInfo ainfo = results.get(i).activityInfo; 6046 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6047 && caller.getClassName().equals(ainfo.name)) { 6048 results.remove(i); 6049 break; 6050 } 6051 } 6052 } 6053 6054 // If the caller didn't request filter information, 6055 // drop them now so we don't have to 6056 // marshall/unmarshall it. 6057 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6058 N = results.size(); 6059 for (int i=0; i<N; i++) { 6060 results.get(i).filter = null; 6061 } 6062 } 6063 6064 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6065 return results; 6066 } 6067 6068 @Override 6069 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6070 String resolvedType, int flags, int userId) { 6071 return new ParceledListSlice<>( 6072 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6073 } 6074 6075 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6076 String resolvedType, int flags, int userId) { 6077 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6078 flags = updateFlagsForResolve(flags, userId, intent); 6079 ComponentName comp = intent.getComponent(); 6080 if (comp == null) { 6081 if (intent.getSelector() != null) { 6082 intent = intent.getSelector(); 6083 comp = intent.getComponent(); 6084 } 6085 } 6086 if (comp != null) { 6087 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6088 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6089 if (ai != null) { 6090 ResolveInfo ri = new ResolveInfo(); 6091 ri.activityInfo = ai; 6092 list.add(ri); 6093 } 6094 return list; 6095 } 6096 6097 // reader 6098 synchronized (mPackages) { 6099 String pkgName = intent.getPackage(); 6100 if (pkgName == null) { 6101 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6102 } 6103 final PackageParser.Package pkg = mPackages.get(pkgName); 6104 if (pkg != null) { 6105 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6106 userId); 6107 } 6108 return Collections.emptyList(); 6109 } 6110 } 6111 6112 @Override 6113 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6114 if (!sUserManager.exists(userId)) return null; 6115 flags = updateFlagsForResolve(flags, userId, intent); 6116 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6117 if (query != null) { 6118 if (query.size() >= 1) { 6119 // If there is more than one service with the same priority, 6120 // just arbitrarily pick the first one. 6121 return query.get(0); 6122 } 6123 } 6124 return null; 6125 } 6126 6127 @Override 6128 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6129 String resolvedType, int flags, int userId) { 6130 return new ParceledListSlice<>( 6131 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6132 } 6133 6134 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6135 String resolvedType, int flags, int userId) { 6136 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6137 flags = updateFlagsForResolve(flags, userId, intent); 6138 ComponentName comp = intent.getComponent(); 6139 if (comp == null) { 6140 if (intent.getSelector() != null) { 6141 intent = intent.getSelector(); 6142 comp = intent.getComponent(); 6143 } 6144 } 6145 if (comp != null) { 6146 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6147 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6148 if (si != null) { 6149 final ResolveInfo ri = new ResolveInfo(); 6150 ri.serviceInfo = si; 6151 list.add(ri); 6152 } 6153 return list; 6154 } 6155 6156 // reader 6157 synchronized (mPackages) { 6158 String pkgName = intent.getPackage(); 6159 if (pkgName == null) { 6160 return mServices.queryIntent(intent, resolvedType, flags, userId); 6161 } 6162 final PackageParser.Package pkg = mPackages.get(pkgName); 6163 if (pkg != null) { 6164 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6165 userId); 6166 } 6167 return Collections.emptyList(); 6168 } 6169 } 6170 6171 @Override 6172 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6173 String resolvedType, int flags, int userId) { 6174 return new ParceledListSlice<>( 6175 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6176 } 6177 6178 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6179 Intent intent, String resolvedType, int flags, int userId) { 6180 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6181 flags = updateFlagsForResolve(flags, userId, intent); 6182 ComponentName comp = intent.getComponent(); 6183 if (comp == null) { 6184 if (intent.getSelector() != null) { 6185 intent = intent.getSelector(); 6186 comp = intent.getComponent(); 6187 } 6188 } 6189 if (comp != null) { 6190 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6191 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6192 if (pi != null) { 6193 final ResolveInfo ri = new ResolveInfo(); 6194 ri.providerInfo = pi; 6195 list.add(ri); 6196 } 6197 return list; 6198 } 6199 6200 // reader 6201 synchronized (mPackages) { 6202 String pkgName = intent.getPackage(); 6203 if (pkgName == null) { 6204 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6205 } 6206 final PackageParser.Package pkg = mPackages.get(pkgName); 6207 if (pkg != null) { 6208 return mProviders.queryIntentForPackage( 6209 intent, resolvedType, flags, pkg.providers, userId); 6210 } 6211 return Collections.emptyList(); 6212 } 6213 } 6214 6215 @Override 6216 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6217 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6218 flags = updateFlagsForPackage(flags, userId, null); 6219 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6220 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6221 true /* requireFullPermission */, false /* checkShell */, 6222 "get installed packages"); 6223 6224 // writer 6225 synchronized (mPackages) { 6226 ArrayList<PackageInfo> list; 6227 if (listUninstalled) { 6228 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6229 for (PackageSetting ps : mSettings.mPackages.values()) { 6230 final PackageInfo pi; 6231 if (ps.pkg != null) { 6232 pi = generatePackageInfo(ps, flags, userId); 6233 } else { 6234 pi = generatePackageInfo(ps, flags, userId); 6235 } 6236 if (pi != null) { 6237 list.add(pi); 6238 } 6239 } 6240 } else { 6241 list = new ArrayList<PackageInfo>(mPackages.size()); 6242 for (PackageParser.Package p : mPackages.values()) { 6243 final PackageInfo pi = 6244 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6245 if (pi != null) { 6246 list.add(pi); 6247 } 6248 } 6249 } 6250 6251 return new ParceledListSlice<PackageInfo>(list); 6252 } 6253 } 6254 6255 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6256 String[] permissions, boolean[] tmp, int flags, int userId) { 6257 int numMatch = 0; 6258 final PermissionsState permissionsState = ps.getPermissionsState(); 6259 for (int i=0; i<permissions.length; i++) { 6260 final String permission = permissions[i]; 6261 if (permissionsState.hasPermission(permission, userId)) { 6262 tmp[i] = true; 6263 numMatch++; 6264 } else { 6265 tmp[i] = false; 6266 } 6267 } 6268 if (numMatch == 0) { 6269 return; 6270 } 6271 final PackageInfo pi; 6272 if (ps.pkg != null) { 6273 pi = generatePackageInfo(ps, flags, userId); 6274 } else { 6275 pi = generatePackageInfo(ps, flags, userId); 6276 } 6277 // The above might return null in cases of uninstalled apps or install-state 6278 // skew across users/profiles. 6279 if (pi != null) { 6280 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6281 if (numMatch == permissions.length) { 6282 pi.requestedPermissions = permissions; 6283 } else { 6284 pi.requestedPermissions = new String[numMatch]; 6285 numMatch = 0; 6286 for (int i=0; i<permissions.length; i++) { 6287 if (tmp[i]) { 6288 pi.requestedPermissions[numMatch] = permissions[i]; 6289 numMatch++; 6290 } 6291 } 6292 } 6293 } 6294 list.add(pi); 6295 } 6296 } 6297 6298 @Override 6299 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6300 String[] permissions, int flags, int userId) { 6301 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6302 flags = updateFlagsForPackage(flags, userId, permissions); 6303 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6304 6305 // writer 6306 synchronized (mPackages) { 6307 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6308 boolean[] tmpBools = new boolean[permissions.length]; 6309 if (listUninstalled) { 6310 for (PackageSetting ps : mSettings.mPackages.values()) { 6311 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6312 } 6313 } else { 6314 for (PackageParser.Package pkg : mPackages.values()) { 6315 PackageSetting ps = (PackageSetting)pkg.mExtras; 6316 if (ps != null) { 6317 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6318 userId); 6319 } 6320 } 6321 } 6322 6323 return new ParceledListSlice<PackageInfo>(list); 6324 } 6325 } 6326 6327 @Override 6328 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6329 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6330 flags = updateFlagsForApplication(flags, userId, null); 6331 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6332 6333 // writer 6334 synchronized (mPackages) { 6335 ArrayList<ApplicationInfo> list; 6336 if (listUninstalled) { 6337 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6338 for (PackageSetting ps : mSettings.mPackages.values()) { 6339 ApplicationInfo ai; 6340 if (ps.pkg != null) { 6341 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6342 ps.readUserState(userId), userId); 6343 } else { 6344 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6345 } 6346 if (ai != null) { 6347 list.add(ai); 6348 } 6349 } 6350 } else { 6351 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6352 for (PackageParser.Package p : mPackages.values()) { 6353 if (p.mExtras != null) { 6354 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6355 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6356 if (ai != null) { 6357 list.add(ai); 6358 } 6359 } 6360 } 6361 } 6362 6363 return new ParceledListSlice<ApplicationInfo>(list); 6364 } 6365 } 6366 6367 @Override 6368 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6369 if (DISABLE_EPHEMERAL_APPS) { 6370 return null; 6371 } 6372 6373 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6374 "getEphemeralApplications"); 6375 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6376 true /* requireFullPermission */, false /* checkShell */, 6377 "getEphemeralApplications"); 6378 synchronized (mPackages) { 6379 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6380 .getEphemeralApplicationsLPw(userId); 6381 if (ephemeralApps != null) { 6382 return new ParceledListSlice<>(ephemeralApps); 6383 } 6384 } 6385 return null; 6386 } 6387 6388 @Override 6389 public boolean isEphemeralApplication(String packageName, int userId) { 6390 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6391 true /* requireFullPermission */, false /* checkShell */, 6392 "isEphemeral"); 6393 if (DISABLE_EPHEMERAL_APPS) { 6394 return false; 6395 } 6396 6397 if (!isCallerSameApp(packageName)) { 6398 return false; 6399 } 6400 synchronized (mPackages) { 6401 PackageParser.Package pkg = mPackages.get(packageName); 6402 if (pkg != null) { 6403 return pkg.applicationInfo.isEphemeralApp(); 6404 } 6405 } 6406 return false; 6407 } 6408 6409 @Override 6410 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6411 if (DISABLE_EPHEMERAL_APPS) { 6412 return null; 6413 } 6414 6415 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6416 true /* requireFullPermission */, false /* checkShell */, 6417 "getCookie"); 6418 if (!isCallerSameApp(packageName)) { 6419 return null; 6420 } 6421 synchronized (mPackages) { 6422 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6423 packageName, userId); 6424 } 6425 } 6426 6427 @Override 6428 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6429 if (DISABLE_EPHEMERAL_APPS) { 6430 return true; 6431 } 6432 6433 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6434 true /* requireFullPermission */, true /* checkShell */, 6435 "setCookie"); 6436 if (!isCallerSameApp(packageName)) { 6437 return false; 6438 } 6439 synchronized (mPackages) { 6440 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6441 packageName, cookie, userId); 6442 } 6443 } 6444 6445 @Override 6446 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6447 if (DISABLE_EPHEMERAL_APPS) { 6448 return null; 6449 } 6450 6451 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6452 "getEphemeralApplicationIcon"); 6453 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6454 true /* requireFullPermission */, false /* checkShell */, 6455 "getEphemeralApplicationIcon"); 6456 synchronized (mPackages) { 6457 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6458 packageName, userId); 6459 } 6460 } 6461 6462 private boolean isCallerSameApp(String packageName) { 6463 PackageParser.Package pkg = mPackages.get(packageName); 6464 return pkg != null 6465 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6466 } 6467 6468 @Override 6469 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6470 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6471 } 6472 6473 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6474 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6475 6476 // reader 6477 synchronized (mPackages) { 6478 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6479 final int userId = UserHandle.getCallingUserId(); 6480 while (i.hasNext()) { 6481 final PackageParser.Package p = i.next(); 6482 if (p.applicationInfo == null) continue; 6483 6484 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6485 && !p.applicationInfo.isDirectBootAware(); 6486 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6487 && p.applicationInfo.isDirectBootAware(); 6488 6489 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6490 && (!mSafeMode || isSystemApp(p)) 6491 && (matchesUnaware || matchesAware)) { 6492 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6493 if (ps != null) { 6494 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6495 ps.readUserState(userId), userId); 6496 if (ai != null) { 6497 finalList.add(ai); 6498 } 6499 } 6500 } 6501 } 6502 } 6503 6504 return finalList; 6505 } 6506 6507 @Override 6508 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6509 if (!sUserManager.exists(userId)) return null; 6510 flags = updateFlagsForComponent(flags, userId, name); 6511 // reader 6512 synchronized (mPackages) { 6513 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6514 PackageSetting ps = provider != null 6515 ? mSettings.mPackages.get(provider.owner.packageName) 6516 : null; 6517 return ps != null 6518 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6519 ? PackageParser.generateProviderInfo(provider, flags, 6520 ps.readUserState(userId), userId) 6521 : null; 6522 } 6523 } 6524 6525 /** 6526 * @deprecated 6527 */ 6528 @Deprecated 6529 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6530 // reader 6531 synchronized (mPackages) { 6532 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6533 .entrySet().iterator(); 6534 final int userId = UserHandle.getCallingUserId(); 6535 while (i.hasNext()) { 6536 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6537 PackageParser.Provider p = entry.getValue(); 6538 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6539 6540 if (ps != null && p.syncable 6541 && (!mSafeMode || (p.info.applicationInfo.flags 6542 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6543 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6544 ps.readUserState(userId), userId); 6545 if (info != null) { 6546 outNames.add(entry.getKey()); 6547 outInfo.add(info); 6548 } 6549 } 6550 } 6551 } 6552 } 6553 6554 @Override 6555 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6556 int uid, int flags) { 6557 final int userId = processName != null ? UserHandle.getUserId(uid) 6558 : UserHandle.getCallingUserId(); 6559 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6560 flags = updateFlagsForComponent(flags, userId, processName); 6561 6562 ArrayList<ProviderInfo> finalList = null; 6563 // reader 6564 synchronized (mPackages) { 6565 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6566 while (i.hasNext()) { 6567 final PackageParser.Provider p = i.next(); 6568 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6569 if (ps != null && p.info.authority != null 6570 && (processName == null 6571 || (p.info.processName.equals(processName) 6572 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6573 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6574 if (finalList == null) { 6575 finalList = new ArrayList<ProviderInfo>(3); 6576 } 6577 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6578 ps.readUserState(userId), userId); 6579 if (info != null) { 6580 finalList.add(info); 6581 } 6582 } 6583 } 6584 } 6585 6586 if (finalList != null) { 6587 Collections.sort(finalList, mProviderInitOrderSorter); 6588 return new ParceledListSlice<ProviderInfo>(finalList); 6589 } 6590 6591 return ParceledListSlice.emptyList(); 6592 } 6593 6594 @Override 6595 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6596 // reader 6597 synchronized (mPackages) { 6598 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6599 return PackageParser.generateInstrumentationInfo(i, flags); 6600 } 6601 } 6602 6603 @Override 6604 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6605 String targetPackage, int flags) { 6606 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6607 } 6608 6609 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6610 int flags) { 6611 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6612 6613 // reader 6614 synchronized (mPackages) { 6615 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6616 while (i.hasNext()) { 6617 final PackageParser.Instrumentation p = i.next(); 6618 if (targetPackage == null 6619 || targetPackage.equals(p.info.targetPackage)) { 6620 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6621 flags); 6622 if (ii != null) { 6623 finalList.add(ii); 6624 } 6625 } 6626 } 6627 } 6628 6629 return finalList; 6630 } 6631 6632 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6633 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6634 if (overlays == null) { 6635 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6636 return; 6637 } 6638 for (PackageParser.Package opkg : overlays.values()) { 6639 // Not much to do if idmap fails: we already logged the error 6640 // and we certainly don't want to abort installation of pkg simply 6641 // because an overlay didn't fit properly. For these reasons, 6642 // ignore the return value of createIdmapForPackagePairLI. 6643 createIdmapForPackagePairLI(pkg, opkg); 6644 } 6645 } 6646 6647 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6648 PackageParser.Package opkg) { 6649 if (!opkg.mTrustedOverlay) { 6650 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6651 opkg.baseCodePath + ": overlay not trusted"); 6652 return false; 6653 } 6654 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6655 if (overlaySet == null) { 6656 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6657 opkg.baseCodePath + " but target package has no known overlays"); 6658 return false; 6659 } 6660 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6661 // TODO: generate idmap for split APKs 6662 try { 6663 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6664 } catch (InstallerException e) { 6665 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6666 + opkg.baseCodePath); 6667 return false; 6668 } 6669 PackageParser.Package[] overlayArray = 6670 overlaySet.values().toArray(new PackageParser.Package[0]); 6671 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6672 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6673 return p1.mOverlayPriority - p2.mOverlayPriority; 6674 } 6675 }; 6676 Arrays.sort(overlayArray, cmp); 6677 6678 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6679 int i = 0; 6680 for (PackageParser.Package p : overlayArray) { 6681 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6682 } 6683 return true; 6684 } 6685 6686 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6687 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6688 try { 6689 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6690 } finally { 6691 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6692 } 6693 } 6694 6695 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6696 final File[] files = dir.listFiles(); 6697 if (ArrayUtils.isEmpty(files)) { 6698 Log.d(TAG, "No files in app dir " + dir); 6699 return; 6700 } 6701 6702 if (DEBUG_PACKAGE_SCANNING) { 6703 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6704 + " flags=0x" + Integer.toHexString(parseFlags)); 6705 } 6706 6707 for (File file : files) { 6708 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6709 && !PackageInstallerService.isStageName(file.getName()); 6710 if (!isPackage) { 6711 // Ignore entries which are not packages 6712 continue; 6713 } 6714 try { 6715 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6716 scanFlags, currentTime, null); 6717 } catch (PackageManagerException e) { 6718 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6719 6720 // Delete invalid userdata apps 6721 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6722 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6723 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6724 removeCodePathLI(file); 6725 } 6726 } 6727 } 6728 } 6729 6730 private static File getSettingsProblemFile() { 6731 File dataDir = Environment.getDataDirectory(); 6732 File systemDir = new File(dataDir, "system"); 6733 File fname = new File(systemDir, "uiderrors.txt"); 6734 return fname; 6735 } 6736 6737 static void reportSettingsProblem(int priority, String msg) { 6738 logCriticalInfo(priority, msg); 6739 } 6740 6741 static void logCriticalInfo(int priority, String msg) { 6742 Slog.println(priority, TAG, msg); 6743 EventLogTags.writePmCriticalInfo(msg); 6744 try { 6745 File fname = getSettingsProblemFile(); 6746 FileOutputStream out = new FileOutputStream(fname, true); 6747 PrintWriter pw = new FastPrintWriter(out); 6748 SimpleDateFormat formatter = new SimpleDateFormat(); 6749 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6750 pw.println(dateString + ": " + msg); 6751 pw.close(); 6752 FileUtils.setPermissions( 6753 fname.toString(), 6754 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6755 -1, -1); 6756 } catch (java.io.IOException e) { 6757 } 6758 } 6759 6760 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6761 final int policyFlags) throws PackageManagerException { 6762 if (ps != null 6763 && ps.codePath.equals(srcFile) 6764 && ps.timeStamp == srcFile.lastModified() 6765 && !isCompatSignatureUpdateNeeded(pkg) 6766 && !isRecoverSignatureUpdateNeeded(pkg)) { 6767 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6768 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6769 ArraySet<PublicKey> signingKs; 6770 synchronized (mPackages) { 6771 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6772 } 6773 if (ps.signatures.mSignatures != null 6774 && ps.signatures.mSignatures.length != 0 6775 && signingKs != null) { 6776 // Optimization: reuse the existing cached certificates 6777 // if the package appears to be unchanged. 6778 pkg.mSignatures = ps.signatures.mSignatures; 6779 pkg.mSigningKeys = signingKs; 6780 return; 6781 } 6782 6783 Slog.w(TAG, "PackageSetting for " + ps.name 6784 + " is missing signatures. Collecting certs again to recover them."); 6785 } else { 6786 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6787 } 6788 6789 try { 6790 PackageParser.collectCertificates(pkg, policyFlags); 6791 } catch (PackageParserException e) { 6792 throw PackageManagerException.from(e); 6793 } 6794 } 6795 6796 /** 6797 * Traces a package scan. 6798 * @see #scanPackageLI(File, int, int, long, UserHandle) 6799 */ 6800 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6801 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6802 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6803 try { 6804 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6805 } finally { 6806 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6807 } 6808 } 6809 6810 /** 6811 * Scans a package and returns the newly parsed package. 6812 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6813 */ 6814 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6815 long currentTime, UserHandle user) throws PackageManagerException { 6816 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6817 PackageParser pp = new PackageParser(); 6818 pp.setSeparateProcesses(mSeparateProcesses); 6819 pp.setOnlyCoreApps(mOnlyCore); 6820 pp.setDisplayMetrics(mMetrics); 6821 6822 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6823 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6824 } 6825 6826 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6827 final PackageParser.Package pkg; 6828 try { 6829 pkg = pp.parsePackage(scanFile, parseFlags); 6830 } catch (PackageParserException e) { 6831 throw PackageManagerException.from(e); 6832 } finally { 6833 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6834 } 6835 6836 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6837 } 6838 6839 /** 6840 * Scans a package and returns the newly parsed package. 6841 * @throws PackageManagerException on a parse error. 6842 */ 6843 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6844 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6845 throws PackageManagerException { 6846 // If the package has children and this is the first dive in the function 6847 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6848 // packages (parent and children) would be successfully scanned before the 6849 // actual scan since scanning mutates internal state and we want to atomically 6850 // install the package and its children. 6851 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6852 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6853 scanFlags |= SCAN_CHECK_ONLY; 6854 } 6855 } else { 6856 scanFlags &= ~SCAN_CHECK_ONLY; 6857 } 6858 6859 // Scan the parent 6860 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6861 scanFlags, currentTime, user); 6862 6863 // Scan the children 6864 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6865 for (int i = 0; i < childCount; i++) { 6866 PackageParser.Package childPackage = pkg.childPackages.get(i); 6867 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6868 currentTime, user); 6869 } 6870 6871 6872 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6873 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6874 } 6875 6876 return scannedPkg; 6877 } 6878 6879 /** 6880 * Scans a package and returns the newly parsed package. 6881 * @throws PackageManagerException on a parse error. 6882 */ 6883 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6884 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6885 throws PackageManagerException { 6886 PackageSetting ps = null; 6887 PackageSetting updatedPkg; 6888 // reader 6889 synchronized (mPackages) { 6890 // Look to see if we already know about this package. 6891 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6892 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6893 // This package has been renamed to its original name. Let's 6894 // use that. 6895 ps = mSettings.peekPackageLPr(oldName); 6896 } 6897 // If there was no original package, see one for the real package name. 6898 if (ps == null) { 6899 ps = mSettings.peekPackageLPr(pkg.packageName); 6900 } 6901 // Check to see if this package could be hiding/updating a system 6902 // package. Must look for it either under the original or real 6903 // package name depending on our state. 6904 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6905 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6906 6907 // If this is a package we don't know about on the system partition, we 6908 // may need to remove disabled child packages on the system partition 6909 // or may need to not add child packages if the parent apk is updated 6910 // on the data partition and no longer defines this child package. 6911 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6912 // If this is a parent package for an updated system app and this system 6913 // app got an OTA update which no longer defines some of the child packages 6914 // we have to prune them from the disabled system packages. 6915 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6916 if (disabledPs != null) { 6917 final int scannedChildCount = (pkg.childPackages != null) 6918 ? pkg.childPackages.size() : 0; 6919 final int disabledChildCount = disabledPs.childPackageNames != null 6920 ? disabledPs.childPackageNames.size() : 0; 6921 for (int i = 0; i < disabledChildCount; i++) { 6922 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6923 boolean disabledPackageAvailable = false; 6924 for (int j = 0; j < scannedChildCount; j++) { 6925 PackageParser.Package childPkg = pkg.childPackages.get(j); 6926 if (childPkg.packageName.equals(disabledChildPackageName)) { 6927 disabledPackageAvailable = true; 6928 break; 6929 } 6930 } 6931 if (!disabledPackageAvailable) { 6932 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6933 } 6934 } 6935 } 6936 } 6937 } 6938 6939 boolean updatedPkgBetter = false; 6940 // First check if this is a system package that may involve an update 6941 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6942 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6943 // it needs to drop FLAG_PRIVILEGED. 6944 if (locationIsPrivileged(scanFile)) { 6945 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6946 } else { 6947 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6948 } 6949 6950 if (ps != null && !ps.codePath.equals(scanFile)) { 6951 // The path has changed from what was last scanned... check the 6952 // version of the new path against what we have stored to determine 6953 // what to do. 6954 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6955 if (pkg.mVersionCode <= ps.versionCode) { 6956 // The system package has been updated and the code path does not match 6957 // Ignore entry. Skip it. 6958 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6959 + " ignored: updated version " + ps.versionCode 6960 + " better than this " + pkg.mVersionCode); 6961 if (!updatedPkg.codePath.equals(scanFile)) { 6962 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6963 + ps.name + " changing from " + updatedPkg.codePathString 6964 + " to " + scanFile); 6965 updatedPkg.codePath = scanFile; 6966 updatedPkg.codePathString = scanFile.toString(); 6967 updatedPkg.resourcePath = scanFile; 6968 updatedPkg.resourcePathString = scanFile.toString(); 6969 } 6970 updatedPkg.pkg = pkg; 6971 updatedPkg.versionCode = pkg.mVersionCode; 6972 6973 // Update the disabled system child packages to point to the package too. 6974 final int childCount = updatedPkg.childPackageNames != null 6975 ? updatedPkg.childPackageNames.size() : 0; 6976 for (int i = 0; i < childCount; i++) { 6977 String childPackageName = updatedPkg.childPackageNames.get(i); 6978 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6979 childPackageName); 6980 if (updatedChildPkg != null) { 6981 updatedChildPkg.pkg = pkg; 6982 updatedChildPkg.versionCode = pkg.mVersionCode; 6983 } 6984 } 6985 6986 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6987 + scanFile + " ignored: updated version " + ps.versionCode 6988 + " better than this " + pkg.mVersionCode); 6989 } else { 6990 // The current app on the system partition is better than 6991 // what we have updated to on the data partition; switch 6992 // back to the system partition version. 6993 // At this point, its safely assumed that package installation for 6994 // apps in system partition will go through. If not there won't be a working 6995 // version of the app 6996 // writer 6997 synchronized (mPackages) { 6998 // Just remove the loaded entries from package lists. 6999 mPackages.remove(ps.name); 7000 } 7001 7002 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7003 + " reverting from " + ps.codePathString 7004 + ": new version " + pkg.mVersionCode 7005 + " better than installed " + ps.versionCode); 7006 7007 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7008 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7009 synchronized (mInstallLock) { 7010 args.cleanUpResourcesLI(); 7011 } 7012 synchronized (mPackages) { 7013 mSettings.enableSystemPackageLPw(ps.name); 7014 } 7015 updatedPkgBetter = true; 7016 } 7017 } 7018 } 7019 7020 if (updatedPkg != null) { 7021 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7022 // initially 7023 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7024 7025 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7026 // flag set initially 7027 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7028 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7029 } 7030 } 7031 7032 // Verify certificates against what was last scanned 7033 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7034 7035 /* 7036 * A new system app appeared, but we already had a non-system one of the 7037 * same name installed earlier. 7038 */ 7039 boolean shouldHideSystemApp = false; 7040 if (updatedPkg == null && ps != null 7041 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7042 /* 7043 * Check to make sure the signatures match first. If they don't, 7044 * wipe the installed application and its data. 7045 */ 7046 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7047 != PackageManager.SIGNATURE_MATCH) { 7048 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7049 + " signatures don't match existing userdata copy; removing"); 7050 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7051 "scanPackageInternalLI")) { 7052 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7053 } 7054 ps = null; 7055 } else { 7056 /* 7057 * If the newly-added system app is an older version than the 7058 * already installed version, hide it. It will be scanned later 7059 * and re-added like an update. 7060 */ 7061 if (pkg.mVersionCode <= ps.versionCode) { 7062 shouldHideSystemApp = true; 7063 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7064 + " but new version " + pkg.mVersionCode + " better than installed " 7065 + ps.versionCode + "; hiding system"); 7066 } else { 7067 /* 7068 * The newly found system app is a newer version that the 7069 * one previously installed. Simply remove the 7070 * already-installed application and replace it with our own 7071 * while keeping the application data. 7072 */ 7073 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7074 + " reverting from " + ps.codePathString + ": new version " 7075 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7076 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7077 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7078 synchronized (mInstallLock) { 7079 args.cleanUpResourcesLI(); 7080 } 7081 } 7082 } 7083 } 7084 7085 // The apk is forward locked (not public) if its code and resources 7086 // are kept in different files. (except for app in either system or 7087 // vendor path). 7088 // TODO grab this value from PackageSettings 7089 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7090 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7091 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7092 } 7093 } 7094 7095 // TODO: extend to support forward-locked splits 7096 String resourcePath = null; 7097 String baseResourcePath = null; 7098 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7099 if (ps != null && ps.resourcePathString != null) { 7100 resourcePath = ps.resourcePathString; 7101 baseResourcePath = ps.resourcePathString; 7102 } else { 7103 // Should not happen at all. Just log an error. 7104 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7105 } 7106 } else { 7107 resourcePath = pkg.codePath; 7108 baseResourcePath = pkg.baseCodePath; 7109 } 7110 7111 // Set application objects path explicitly. 7112 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7113 pkg.setApplicationInfoCodePath(pkg.codePath); 7114 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7115 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7116 pkg.setApplicationInfoResourcePath(resourcePath); 7117 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7118 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7119 7120 // Note that we invoke the following method only if we are about to unpack an application 7121 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7122 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7123 7124 /* 7125 * If the system app should be overridden by a previously installed 7126 * data, hide the system app now and let the /data/app scan pick it up 7127 * again. 7128 */ 7129 if (shouldHideSystemApp) { 7130 synchronized (mPackages) { 7131 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7132 } 7133 } 7134 7135 return scannedPkg; 7136 } 7137 7138 private static String fixProcessName(String defProcessName, 7139 String processName, int uid) { 7140 if (processName == null) { 7141 return defProcessName; 7142 } 7143 return processName; 7144 } 7145 7146 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7147 throws PackageManagerException { 7148 if (pkgSetting.signatures.mSignatures != null) { 7149 // Already existing package. Make sure signatures match 7150 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7151 == PackageManager.SIGNATURE_MATCH; 7152 if (!match) { 7153 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7154 == PackageManager.SIGNATURE_MATCH; 7155 } 7156 if (!match) { 7157 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7158 == PackageManager.SIGNATURE_MATCH; 7159 } 7160 if (!match) { 7161 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7162 + pkg.packageName + " signatures do not match the " 7163 + "previously installed version; ignoring!"); 7164 } 7165 } 7166 7167 // Check for shared user signatures 7168 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7169 // Already existing package. Make sure signatures match 7170 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7171 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7172 if (!match) { 7173 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7174 == PackageManager.SIGNATURE_MATCH; 7175 } 7176 if (!match) { 7177 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7178 == PackageManager.SIGNATURE_MATCH; 7179 } 7180 if (!match) { 7181 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7182 "Package " + pkg.packageName 7183 + " has no signatures that match those in shared user " 7184 + pkgSetting.sharedUser.name + "; ignoring!"); 7185 } 7186 } 7187 } 7188 7189 /** 7190 * Enforces that only the system UID or root's UID can call a method exposed 7191 * via Binder. 7192 * 7193 * @param message used as message if SecurityException is thrown 7194 * @throws SecurityException if the caller is not system or root 7195 */ 7196 private static final void enforceSystemOrRoot(String message) { 7197 final int uid = Binder.getCallingUid(); 7198 if (uid != Process.SYSTEM_UID && uid != 0) { 7199 throw new SecurityException(message); 7200 } 7201 } 7202 7203 @Override 7204 public void performFstrimIfNeeded() { 7205 enforceSystemOrRoot("Only the system can request fstrim"); 7206 7207 // Before everything else, see whether we need to fstrim. 7208 try { 7209 IMountService ms = PackageHelper.getMountService(); 7210 if (ms != null) { 7211 final boolean isUpgrade = isUpgrade(); 7212 boolean doTrim = isUpgrade; 7213 if (doTrim) { 7214 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7215 } else { 7216 final long interval = android.provider.Settings.Global.getLong( 7217 mContext.getContentResolver(), 7218 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7219 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7220 if (interval > 0) { 7221 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7222 if (timeSinceLast > interval) { 7223 doTrim = true; 7224 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7225 + "; running immediately"); 7226 } 7227 } 7228 } 7229 if (doTrim) { 7230 if (!isFirstBoot()) { 7231 try { 7232 ActivityManagerNative.getDefault().showBootMessage( 7233 mContext.getResources().getString( 7234 R.string.android_upgrading_fstrim), true); 7235 } catch (RemoteException e) { 7236 } 7237 } 7238 ms.runMaintenance(); 7239 } 7240 } else { 7241 Slog.e(TAG, "Mount service unavailable!"); 7242 } 7243 } catch (RemoteException e) { 7244 // Can't happen; MountService is local 7245 } 7246 } 7247 7248 @Override 7249 public void updatePackagesIfNeeded() { 7250 enforceSystemOrRoot("Only the system can request package update"); 7251 7252 // We need to re-extract after an OTA. 7253 boolean causeUpgrade = isUpgrade(); 7254 7255 // First boot or factory reset. 7256 // Note: we also handle devices that are upgrading to N right now as if it is their 7257 // first boot, as they do not have profile data. 7258 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7259 7260 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7261 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7262 7263 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7264 return; 7265 } 7266 7267 List<PackageParser.Package> pkgs; 7268 synchronized (mPackages) { 7269 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7270 } 7271 7272 final long startTime = System.nanoTime(); 7273 final int[] stats = performDexOpt(pkgs, mIsPreNUpgrade /* showDialog */, 7274 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7275 7276 final int elapsedTimeSeconds = 7277 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7278 7279 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7280 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7281 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7282 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7283 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7284 } 7285 7286 /** 7287 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7288 * containing statistics about the invocation. The array consists of three elements, 7289 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7290 * and {@code numberOfPackagesFailed}. 7291 */ 7292 private int[] performDexOpt(List<PackageParser.Package> pkgs, boolean showDialog, 7293 String compilerFilter) { 7294 7295 int numberOfPackagesVisited = 0; 7296 int numberOfPackagesOptimized = 0; 7297 int numberOfPackagesSkipped = 0; 7298 int numberOfPackagesFailed = 0; 7299 final int numberOfPackagesToDexopt = pkgs.size(); 7300 7301 for (PackageParser.Package pkg : pkgs) { 7302 numberOfPackagesVisited++; 7303 7304 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7305 if (DEBUG_DEXOPT) { 7306 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7307 } 7308 numberOfPackagesSkipped++; 7309 continue; 7310 } 7311 7312 if (DEBUG_DEXOPT) { 7313 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7314 numberOfPackagesToDexopt + ": " + pkg.packageName); 7315 } 7316 7317 if (showDialog) { 7318 try { 7319 ActivityManagerNative.getDefault().showBootMessage( 7320 mContext.getResources().getString(R.string.android_upgrading_apk, 7321 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7322 } catch (RemoteException e) { 7323 } 7324 } 7325 7326 // checkProfiles is false to avoid merging profiles during boot which 7327 // might interfere with background compilation (b/28612421). 7328 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7329 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7330 // trade-off worth doing to save boot time work. 7331 int dexOptStatus = performDexOptTraced(pkg.packageName, 7332 false /* checkProfiles */, 7333 compilerFilter, 7334 false /* force */); 7335 switch (dexOptStatus) { 7336 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7337 numberOfPackagesOptimized++; 7338 break; 7339 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7340 numberOfPackagesSkipped++; 7341 break; 7342 case PackageDexOptimizer.DEX_OPT_FAILED: 7343 numberOfPackagesFailed++; 7344 break; 7345 default: 7346 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7347 break; 7348 } 7349 } 7350 7351 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7352 numberOfPackagesFailed }; 7353 } 7354 7355 @Override 7356 public void notifyPackageUse(String packageName, int reason) { 7357 synchronized (mPackages) { 7358 PackageParser.Package p = mPackages.get(packageName); 7359 if (p == null) { 7360 return; 7361 } 7362 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7363 } 7364 } 7365 7366 // TODO: this is not used nor needed. Delete it. 7367 @Override 7368 public boolean performDexOptIfNeeded(String packageName) { 7369 int dexOptStatus = performDexOptTraced(packageName, 7370 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7371 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7372 } 7373 7374 @Override 7375 public boolean performDexOpt(String packageName, 7376 boolean checkProfiles, int compileReason, boolean force) { 7377 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7378 getCompilerFilterForReason(compileReason), force); 7379 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7380 } 7381 7382 @Override 7383 public boolean performDexOptMode(String packageName, 7384 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7385 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7386 targetCompilerFilter, force); 7387 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7388 } 7389 7390 private int performDexOptTraced(String packageName, 7391 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7392 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7393 try { 7394 return performDexOptInternal(packageName, checkProfiles, 7395 targetCompilerFilter, force); 7396 } finally { 7397 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7398 } 7399 } 7400 7401 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7402 // if the package can now be considered up to date for the given filter. 7403 private int performDexOptInternal(String packageName, 7404 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7405 PackageParser.Package p; 7406 synchronized (mPackages) { 7407 p = mPackages.get(packageName); 7408 if (p == null) { 7409 // Package could not be found. Report failure. 7410 return PackageDexOptimizer.DEX_OPT_FAILED; 7411 } 7412 mPackageUsage.write(false); 7413 } 7414 long callingId = Binder.clearCallingIdentity(); 7415 try { 7416 synchronized (mInstallLock) { 7417 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7418 targetCompilerFilter, force); 7419 } 7420 } finally { 7421 Binder.restoreCallingIdentity(callingId); 7422 } 7423 } 7424 7425 public ArraySet<String> getOptimizablePackages() { 7426 ArraySet<String> pkgs = new ArraySet<String>(); 7427 synchronized (mPackages) { 7428 for (PackageParser.Package p : mPackages.values()) { 7429 if (PackageDexOptimizer.canOptimizePackage(p)) { 7430 pkgs.add(p.packageName); 7431 } 7432 } 7433 } 7434 return pkgs; 7435 } 7436 7437 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7438 boolean checkProfiles, String targetCompilerFilter, 7439 boolean force) { 7440 // Select the dex optimizer based on the force parameter. 7441 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7442 // allocate an object here. 7443 PackageDexOptimizer pdo = force 7444 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7445 : mPackageDexOptimizer; 7446 7447 // Optimize all dependencies first. Note: we ignore the return value and march on 7448 // on errors. 7449 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7450 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7451 if (!deps.isEmpty()) { 7452 for (PackageParser.Package depPackage : deps) { 7453 // TODO: Analyze and investigate if we (should) profile libraries. 7454 // Currently this will do a full compilation of the library by default. 7455 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7456 false /* checkProfiles */, 7457 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7458 } 7459 } 7460 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7461 targetCompilerFilter); 7462 } 7463 7464 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7465 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7466 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7467 Set<String> collectedNames = new HashSet<>(); 7468 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7469 7470 retValue.remove(p); 7471 7472 return retValue; 7473 } else { 7474 return Collections.emptyList(); 7475 } 7476 } 7477 7478 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7479 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7480 if (!collectedNames.contains(p.packageName)) { 7481 collectedNames.add(p.packageName); 7482 collected.add(p); 7483 7484 if (p.usesLibraries != null) { 7485 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7486 } 7487 if (p.usesOptionalLibraries != null) { 7488 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7489 collectedNames); 7490 } 7491 } 7492 } 7493 7494 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7495 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7496 for (String libName : libs) { 7497 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7498 if (libPkg != null) { 7499 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7500 } 7501 } 7502 } 7503 7504 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7505 synchronized (mPackages) { 7506 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7507 if (lib != null && lib.apk != null) { 7508 return mPackages.get(lib.apk); 7509 } 7510 } 7511 return null; 7512 } 7513 7514 public void shutdown() { 7515 mPackageUsage.write(true); 7516 } 7517 7518 @Override 7519 public void dumpProfiles(String packageName) { 7520 PackageParser.Package pkg; 7521 synchronized (mPackages) { 7522 pkg = mPackages.get(packageName); 7523 if (pkg == null) { 7524 throw new IllegalArgumentException("Unknown package: " + packageName); 7525 } 7526 } 7527 /* Only the shell, root, or the app user should be able to dump profiles. */ 7528 int callingUid = Binder.getCallingUid(); 7529 if (callingUid != Process.SHELL_UID && 7530 callingUid != Process.ROOT_UID && 7531 callingUid != pkg.applicationInfo.uid) { 7532 throw new SecurityException("dumpProfiles"); 7533 } 7534 7535 synchronized (mInstallLock) { 7536 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7537 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7538 try { 7539 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7540 String gid = Integer.toString(sharedGid); 7541 String codePaths = TextUtils.join(";", allCodePaths); 7542 mInstaller.dumpProfiles(gid, packageName, codePaths); 7543 } catch (InstallerException e) { 7544 Slog.w(TAG, "Failed to dump profiles", e); 7545 } 7546 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7547 } 7548 } 7549 7550 @Override 7551 public void forceDexOpt(String packageName) { 7552 enforceSystemOrRoot("forceDexOpt"); 7553 7554 PackageParser.Package pkg; 7555 synchronized (mPackages) { 7556 pkg = mPackages.get(packageName); 7557 if (pkg == null) { 7558 throw new IllegalArgumentException("Unknown package: " + packageName); 7559 } 7560 } 7561 7562 synchronized (mInstallLock) { 7563 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7564 7565 // Whoever is calling forceDexOpt wants a fully compiled package. 7566 // Don't use profiles since that may cause compilation to be skipped. 7567 final int res = performDexOptInternalWithDependenciesLI(pkg, 7568 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7569 true /* force */); 7570 7571 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7572 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7573 throw new IllegalStateException("Failed to dexopt: " + res); 7574 } 7575 } 7576 } 7577 7578 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7579 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7580 Slog.w(TAG, "Unable to update from " + oldPkg.name 7581 + " to " + newPkg.packageName 7582 + ": old package not in system partition"); 7583 return false; 7584 } else if (mPackages.get(oldPkg.name) != null) { 7585 Slog.w(TAG, "Unable to update from " + oldPkg.name 7586 + " to " + newPkg.packageName 7587 + ": old package still exists"); 7588 return false; 7589 } 7590 return true; 7591 } 7592 7593 void removeCodePathLI(File codePath) { 7594 if (codePath.isDirectory()) { 7595 try { 7596 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7597 } catch (InstallerException e) { 7598 Slog.w(TAG, "Failed to remove code path", e); 7599 } 7600 } else { 7601 codePath.delete(); 7602 } 7603 } 7604 7605 private int[] resolveUserIds(int userId) { 7606 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7607 } 7608 7609 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7610 if (pkg == null) { 7611 Slog.wtf(TAG, "Package was null!", new Throwable()); 7612 return; 7613 } 7614 clearAppDataLeafLIF(pkg, userId, flags); 7615 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7616 for (int i = 0; i < childCount; i++) { 7617 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7618 } 7619 } 7620 7621 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7622 final PackageSetting ps; 7623 synchronized (mPackages) { 7624 ps = mSettings.mPackages.get(pkg.packageName); 7625 } 7626 for (int realUserId : resolveUserIds(userId)) { 7627 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7628 try { 7629 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7630 ceDataInode); 7631 } catch (InstallerException e) { 7632 Slog.w(TAG, String.valueOf(e)); 7633 } 7634 } 7635 } 7636 7637 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7638 if (pkg == null) { 7639 Slog.wtf(TAG, "Package was null!", new Throwable()); 7640 return; 7641 } 7642 destroyAppDataLeafLIF(pkg, userId, flags); 7643 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7644 for (int i = 0; i < childCount; i++) { 7645 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7646 } 7647 } 7648 7649 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7650 final PackageSetting ps; 7651 synchronized (mPackages) { 7652 ps = mSettings.mPackages.get(pkg.packageName); 7653 } 7654 for (int realUserId : resolveUserIds(userId)) { 7655 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7656 try { 7657 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7658 ceDataInode); 7659 } catch (InstallerException e) { 7660 Slog.w(TAG, String.valueOf(e)); 7661 } 7662 } 7663 } 7664 7665 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7666 if (pkg == null) { 7667 Slog.wtf(TAG, "Package was null!", new Throwable()); 7668 return; 7669 } 7670 destroyAppProfilesLeafLIF(pkg); 7671 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7672 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7673 for (int i = 0; i < childCount; i++) { 7674 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7675 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7676 true /* removeBaseMarker */); 7677 } 7678 } 7679 7680 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7681 boolean removeBaseMarker) { 7682 if (pkg.isForwardLocked()) { 7683 return; 7684 } 7685 7686 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7687 try { 7688 path = PackageManagerServiceUtils.realpath(new File(path)); 7689 } catch (IOException e) { 7690 // TODO: Should we return early here ? 7691 Slog.w(TAG, "Failed to get canonical path", e); 7692 continue; 7693 } 7694 7695 final String useMarker = path.replace('/', '@'); 7696 for (int realUserId : resolveUserIds(userId)) { 7697 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7698 if (removeBaseMarker) { 7699 File foreignUseMark = new File(profileDir, useMarker); 7700 if (foreignUseMark.exists()) { 7701 if (!foreignUseMark.delete()) { 7702 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7703 + pkg.packageName); 7704 } 7705 } 7706 } 7707 7708 File[] markers = profileDir.listFiles(); 7709 if (markers != null) { 7710 final String searchString = "@" + pkg.packageName + "@"; 7711 // We also delete all markers that contain the package name we're 7712 // uninstalling. These are associated with secondary dex-files belonging 7713 // to the package. Reconstructing the path of these dex files is messy 7714 // in general. 7715 for (File marker : markers) { 7716 if (marker.getName().indexOf(searchString) > 0) { 7717 if (!marker.delete()) { 7718 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7719 + pkg.packageName); 7720 } 7721 } 7722 } 7723 } 7724 } 7725 } 7726 } 7727 7728 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7729 try { 7730 mInstaller.destroyAppProfiles(pkg.packageName); 7731 } catch (InstallerException e) { 7732 Slog.w(TAG, String.valueOf(e)); 7733 } 7734 } 7735 7736 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7737 if (pkg == null) { 7738 Slog.wtf(TAG, "Package was null!", new Throwable()); 7739 return; 7740 } 7741 clearAppProfilesLeafLIF(pkg); 7742 // We don't remove the base foreign use marker when clearing profiles because 7743 // we will rename it when the app is updated. Unlike the actual profile contents, 7744 // the foreign use marker is good across installs. 7745 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7746 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7747 for (int i = 0; i < childCount; i++) { 7748 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7749 } 7750 } 7751 7752 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7753 try { 7754 mInstaller.clearAppProfiles(pkg.packageName); 7755 } catch (InstallerException e) { 7756 Slog.w(TAG, String.valueOf(e)); 7757 } 7758 } 7759 7760 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7761 long lastUpdateTime) { 7762 // Set parent install/update time 7763 PackageSetting ps = (PackageSetting) pkg.mExtras; 7764 if (ps != null) { 7765 ps.firstInstallTime = firstInstallTime; 7766 ps.lastUpdateTime = lastUpdateTime; 7767 } 7768 // Set children install/update time 7769 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7770 for (int i = 0; i < childCount; i++) { 7771 PackageParser.Package childPkg = pkg.childPackages.get(i); 7772 ps = (PackageSetting) childPkg.mExtras; 7773 if (ps != null) { 7774 ps.firstInstallTime = firstInstallTime; 7775 ps.lastUpdateTime = lastUpdateTime; 7776 } 7777 } 7778 } 7779 7780 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7781 PackageParser.Package changingLib) { 7782 if (file.path != null) { 7783 usesLibraryFiles.add(file.path); 7784 return; 7785 } 7786 PackageParser.Package p = mPackages.get(file.apk); 7787 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7788 // If we are doing this while in the middle of updating a library apk, 7789 // then we need to make sure to use that new apk for determining the 7790 // dependencies here. (We haven't yet finished committing the new apk 7791 // to the package manager state.) 7792 if (p == null || p.packageName.equals(changingLib.packageName)) { 7793 p = changingLib; 7794 } 7795 } 7796 if (p != null) { 7797 usesLibraryFiles.addAll(p.getAllCodePaths()); 7798 } 7799 } 7800 7801 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7802 PackageParser.Package changingLib) throws PackageManagerException { 7803 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7804 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7805 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7806 for (int i=0; i<N; i++) { 7807 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7808 if (file == null) { 7809 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7810 "Package " + pkg.packageName + " requires unavailable shared library " 7811 + pkg.usesLibraries.get(i) + "; failing!"); 7812 } 7813 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7814 } 7815 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7816 for (int i=0; i<N; i++) { 7817 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7818 if (file == null) { 7819 Slog.w(TAG, "Package " + pkg.packageName 7820 + " desires unavailable shared library " 7821 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7822 } else { 7823 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7824 } 7825 } 7826 N = usesLibraryFiles.size(); 7827 if (N > 0) { 7828 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7829 } else { 7830 pkg.usesLibraryFiles = null; 7831 } 7832 } 7833 } 7834 7835 private static boolean hasString(List<String> list, List<String> which) { 7836 if (list == null) { 7837 return false; 7838 } 7839 for (int i=list.size()-1; i>=0; i--) { 7840 for (int j=which.size()-1; j>=0; j--) { 7841 if (which.get(j).equals(list.get(i))) { 7842 return true; 7843 } 7844 } 7845 } 7846 return false; 7847 } 7848 7849 private void updateAllSharedLibrariesLPw() { 7850 for (PackageParser.Package pkg : mPackages.values()) { 7851 try { 7852 updateSharedLibrariesLPw(pkg, null); 7853 } catch (PackageManagerException e) { 7854 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7855 } 7856 } 7857 } 7858 7859 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7860 PackageParser.Package changingPkg) { 7861 ArrayList<PackageParser.Package> res = null; 7862 for (PackageParser.Package pkg : mPackages.values()) { 7863 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7864 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7865 if (res == null) { 7866 res = new ArrayList<PackageParser.Package>(); 7867 } 7868 res.add(pkg); 7869 try { 7870 updateSharedLibrariesLPw(pkg, changingPkg); 7871 } catch (PackageManagerException e) { 7872 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7873 } 7874 } 7875 } 7876 return res; 7877 } 7878 7879 /** 7880 * Derive the value of the {@code cpuAbiOverride} based on the provided 7881 * value and an optional stored value from the package settings. 7882 */ 7883 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7884 String cpuAbiOverride = null; 7885 7886 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7887 cpuAbiOverride = null; 7888 } else if (abiOverride != null) { 7889 cpuAbiOverride = abiOverride; 7890 } else if (settings != null) { 7891 cpuAbiOverride = settings.cpuAbiOverrideString; 7892 } 7893 7894 return cpuAbiOverride; 7895 } 7896 7897 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7898 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7899 throws PackageManagerException { 7900 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7901 // If the package has children and this is the first dive in the function 7902 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7903 // whether all packages (parent and children) would be successfully scanned 7904 // before the actual scan since scanning mutates internal state and we want 7905 // to atomically install the package and its children. 7906 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7907 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7908 scanFlags |= SCAN_CHECK_ONLY; 7909 } 7910 } else { 7911 scanFlags &= ~SCAN_CHECK_ONLY; 7912 } 7913 7914 final PackageParser.Package scannedPkg; 7915 try { 7916 // Scan the parent 7917 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7918 // Scan the children 7919 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7920 for (int i = 0; i < childCount; i++) { 7921 PackageParser.Package childPkg = pkg.childPackages.get(i); 7922 scanPackageLI(childPkg, policyFlags, 7923 scanFlags, currentTime, user); 7924 } 7925 } finally { 7926 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7927 } 7928 7929 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7930 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7931 } 7932 7933 return scannedPkg; 7934 } 7935 7936 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7937 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7938 boolean success = false; 7939 try { 7940 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7941 currentTime, user); 7942 success = true; 7943 return res; 7944 } finally { 7945 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7946 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7947 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7948 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7949 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7950 } 7951 } 7952 } 7953 7954 /** 7955 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7956 */ 7957 private static boolean apkHasCode(String fileName) { 7958 StrictJarFile jarFile = null; 7959 try { 7960 jarFile = new StrictJarFile(fileName, 7961 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7962 return jarFile.findEntry("classes.dex") != null; 7963 } catch (IOException ignore) { 7964 } finally { 7965 try { 7966 jarFile.close(); 7967 } catch (IOException ignore) {} 7968 } 7969 return false; 7970 } 7971 7972 /** 7973 * Enforces code policy for the package. This ensures that if an APK has 7974 * declared hasCode="true" in its manifest that the APK actually contains 7975 * code. 7976 * 7977 * @throws PackageManagerException If bytecode could not be found when it should exist 7978 */ 7979 private static void enforceCodePolicy(PackageParser.Package pkg) 7980 throws PackageManagerException { 7981 final boolean shouldHaveCode = 7982 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7983 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7984 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7985 "Package " + pkg.baseCodePath + " code is missing"); 7986 } 7987 7988 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7989 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7990 final boolean splitShouldHaveCode = 7991 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7992 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7993 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7994 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7995 } 7996 } 7997 } 7998 } 7999 8000 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8001 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8002 throws PackageManagerException { 8003 final File scanFile = new File(pkg.codePath); 8004 if (pkg.applicationInfo.getCodePath() == null || 8005 pkg.applicationInfo.getResourcePath() == null) { 8006 // Bail out. The resource and code paths haven't been set. 8007 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8008 "Code and resource paths haven't been set correctly"); 8009 } 8010 8011 // Apply policy 8012 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8013 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8014 if (pkg.applicationInfo.isDirectBootAware()) { 8015 // we're direct boot aware; set for all components 8016 for (PackageParser.Service s : pkg.services) { 8017 s.info.encryptionAware = s.info.directBootAware = true; 8018 } 8019 for (PackageParser.Provider p : pkg.providers) { 8020 p.info.encryptionAware = p.info.directBootAware = true; 8021 } 8022 for (PackageParser.Activity a : pkg.activities) { 8023 a.info.encryptionAware = a.info.directBootAware = true; 8024 } 8025 for (PackageParser.Activity r : pkg.receivers) { 8026 r.info.encryptionAware = r.info.directBootAware = true; 8027 } 8028 } 8029 } else { 8030 // Only allow system apps to be flagged as core apps. 8031 pkg.coreApp = false; 8032 // clear flags not applicable to regular apps 8033 pkg.applicationInfo.privateFlags &= 8034 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8035 pkg.applicationInfo.privateFlags &= 8036 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8037 } 8038 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8039 8040 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8041 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8042 } 8043 8044 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8045 enforceCodePolicy(pkg); 8046 } 8047 8048 if (mCustomResolverComponentName != null && 8049 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8050 setUpCustomResolverActivity(pkg); 8051 } 8052 8053 if (pkg.packageName.equals("android")) { 8054 synchronized (mPackages) { 8055 if (mAndroidApplication != null) { 8056 Slog.w(TAG, "*************************************************"); 8057 Slog.w(TAG, "Core android package being redefined. Skipping."); 8058 Slog.w(TAG, " file=" + scanFile); 8059 Slog.w(TAG, "*************************************************"); 8060 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8061 "Core android package being redefined. Skipping."); 8062 } 8063 8064 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8065 // Set up information for our fall-back user intent resolution activity. 8066 mPlatformPackage = pkg; 8067 pkg.mVersionCode = mSdkVersion; 8068 mAndroidApplication = pkg.applicationInfo; 8069 8070 if (!mResolverReplaced) { 8071 mResolveActivity.applicationInfo = mAndroidApplication; 8072 mResolveActivity.name = ResolverActivity.class.getName(); 8073 mResolveActivity.packageName = mAndroidApplication.packageName; 8074 mResolveActivity.processName = "system:ui"; 8075 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8076 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8077 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8078 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8079 mResolveActivity.exported = true; 8080 mResolveActivity.enabled = true; 8081 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8082 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8083 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8084 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8085 | ActivityInfo.CONFIG_ORIENTATION 8086 | ActivityInfo.CONFIG_KEYBOARD 8087 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8088 mResolveInfo.activityInfo = mResolveActivity; 8089 mResolveInfo.priority = 0; 8090 mResolveInfo.preferredOrder = 0; 8091 mResolveInfo.match = 0; 8092 mResolveComponentName = new ComponentName( 8093 mAndroidApplication.packageName, mResolveActivity.name); 8094 } 8095 } 8096 } 8097 } 8098 8099 if (DEBUG_PACKAGE_SCANNING) { 8100 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8101 Log.d(TAG, "Scanning package " + pkg.packageName); 8102 } 8103 8104 synchronized (mPackages) { 8105 if (mPackages.containsKey(pkg.packageName) 8106 || mSharedLibraries.containsKey(pkg.packageName)) { 8107 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8108 "Application package " + pkg.packageName 8109 + " already installed. Skipping duplicate."); 8110 } 8111 8112 // If we're only installing presumed-existing packages, require that the 8113 // scanned APK is both already known and at the path previously established 8114 // for it. Previously unknown packages we pick up normally, but if we have an 8115 // a priori expectation about this package's install presence, enforce it. 8116 // With a singular exception for new system packages. When an OTA contains 8117 // a new system package, we allow the codepath to change from a system location 8118 // to the user-installed location. If we don't allow this change, any newer, 8119 // user-installed version of the application will be ignored. 8120 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8121 if (mExpectingBetter.containsKey(pkg.packageName)) { 8122 logCriticalInfo(Log.WARN, 8123 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8124 } else { 8125 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8126 if (known != null) { 8127 if (DEBUG_PACKAGE_SCANNING) { 8128 Log.d(TAG, "Examining " + pkg.codePath 8129 + " and requiring known paths " + known.codePathString 8130 + " & " + known.resourcePathString); 8131 } 8132 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8133 || !pkg.applicationInfo.getResourcePath().equals( 8134 known.resourcePathString)) { 8135 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8136 "Application package " + pkg.packageName 8137 + " found at " + pkg.applicationInfo.getCodePath() 8138 + " but expected at " + known.codePathString 8139 + "; ignoring."); 8140 } 8141 } 8142 } 8143 } 8144 } 8145 8146 // Initialize package source and resource directories 8147 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8148 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8149 8150 SharedUserSetting suid = null; 8151 PackageSetting pkgSetting = null; 8152 8153 if (!isSystemApp(pkg)) { 8154 // Only system apps can use these features. 8155 pkg.mOriginalPackages = null; 8156 pkg.mRealPackage = null; 8157 pkg.mAdoptPermissions = null; 8158 } 8159 8160 // Getting the package setting may have a side-effect, so if we 8161 // are only checking if scan would succeed, stash a copy of the 8162 // old setting to restore at the end. 8163 PackageSetting nonMutatedPs = null; 8164 8165 // writer 8166 synchronized (mPackages) { 8167 if (pkg.mSharedUserId != null) { 8168 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8169 if (suid == null) { 8170 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8171 "Creating application package " + pkg.packageName 8172 + " for shared user failed"); 8173 } 8174 if (DEBUG_PACKAGE_SCANNING) { 8175 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8176 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8177 + "): packages=" + suid.packages); 8178 } 8179 } 8180 8181 // Check if we are renaming from an original package name. 8182 PackageSetting origPackage = null; 8183 String realName = null; 8184 if (pkg.mOriginalPackages != null) { 8185 // This package may need to be renamed to a previously 8186 // installed name. Let's check on that... 8187 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8188 if (pkg.mOriginalPackages.contains(renamed)) { 8189 // This package had originally been installed as the 8190 // original name, and we have already taken care of 8191 // transitioning to the new one. Just update the new 8192 // one to continue using the old name. 8193 realName = pkg.mRealPackage; 8194 if (!pkg.packageName.equals(renamed)) { 8195 // Callers into this function may have already taken 8196 // care of renaming the package; only do it here if 8197 // it is not already done. 8198 pkg.setPackageName(renamed); 8199 } 8200 8201 } else { 8202 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8203 if ((origPackage = mSettings.peekPackageLPr( 8204 pkg.mOriginalPackages.get(i))) != null) { 8205 // We do have the package already installed under its 8206 // original name... should we use it? 8207 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8208 // New package is not compatible with original. 8209 origPackage = null; 8210 continue; 8211 } else if (origPackage.sharedUser != null) { 8212 // Make sure uid is compatible between packages. 8213 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8214 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8215 + " to " + pkg.packageName + ": old uid " 8216 + origPackage.sharedUser.name 8217 + " differs from " + pkg.mSharedUserId); 8218 origPackage = null; 8219 continue; 8220 } 8221 // TODO: Add case when shared user id is added [b/28144775] 8222 } else { 8223 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8224 + pkg.packageName + " to old name " + origPackage.name); 8225 } 8226 break; 8227 } 8228 } 8229 } 8230 } 8231 8232 if (mTransferedPackages.contains(pkg.packageName)) { 8233 Slog.w(TAG, "Package " + pkg.packageName 8234 + " was transferred to another, but its .apk remains"); 8235 } 8236 8237 // See comments in nonMutatedPs declaration 8238 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8239 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8240 if (foundPs != null) { 8241 nonMutatedPs = new PackageSetting(foundPs); 8242 } 8243 } 8244 8245 // Just create the setting, don't add it yet. For already existing packages 8246 // the PkgSetting exists already and doesn't have to be created. 8247 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8248 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8249 pkg.applicationInfo.primaryCpuAbi, 8250 pkg.applicationInfo.secondaryCpuAbi, 8251 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8252 user, false); 8253 if (pkgSetting == null) { 8254 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8255 "Creating application package " + pkg.packageName + " failed"); 8256 } 8257 8258 if (pkgSetting.origPackage != null) { 8259 // If we are first transitioning from an original package, 8260 // fix up the new package's name now. We need to do this after 8261 // looking up the package under its new name, so getPackageLP 8262 // can take care of fiddling things correctly. 8263 pkg.setPackageName(origPackage.name); 8264 8265 // File a report about this. 8266 String msg = "New package " + pkgSetting.realName 8267 + " renamed to replace old package " + pkgSetting.name; 8268 reportSettingsProblem(Log.WARN, msg); 8269 8270 // Make a note of it. 8271 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8272 mTransferedPackages.add(origPackage.name); 8273 } 8274 8275 // No longer need to retain this. 8276 pkgSetting.origPackage = null; 8277 } 8278 8279 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8280 // Make a note of it. 8281 mTransferedPackages.add(pkg.packageName); 8282 } 8283 8284 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8285 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8286 } 8287 8288 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8289 // Check all shared libraries and map to their actual file path. 8290 // We only do this here for apps not on a system dir, because those 8291 // are the only ones that can fail an install due to this. We 8292 // will take care of the system apps by updating all of their 8293 // library paths after the scan is done. 8294 updateSharedLibrariesLPw(pkg, null); 8295 } 8296 8297 if (mFoundPolicyFile) { 8298 SELinuxMMAC.assignSeinfoValue(pkg); 8299 } 8300 8301 pkg.applicationInfo.uid = pkgSetting.appId; 8302 pkg.mExtras = pkgSetting; 8303 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8304 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8305 // We just determined the app is signed correctly, so bring 8306 // over the latest parsed certs. 8307 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8308 } else { 8309 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8310 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8311 "Package " + pkg.packageName + " upgrade keys do not match the " 8312 + "previously installed version"); 8313 } else { 8314 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8315 String msg = "System package " + pkg.packageName 8316 + " signature changed; retaining data."; 8317 reportSettingsProblem(Log.WARN, msg); 8318 } 8319 } 8320 } else { 8321 try { 8322 verifySignaturesLP(pkgSetting, pkg); 8323 // We just determined the app is signed correctly, so bring 8324 // over the latest parsed certs. 8325 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8326 } catch (PackageManagerException e) { 8327 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8328 throw e; 8329 } 8330 // The signature has changed, but this package is in the system 8331 // image... let's recover! 8332 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8333 // However... if this package is part of a shared user, but it 8334 // doesn't match the signature of the shared user, let's fail. 8335 // What this means is that you can't change the signatures 8336 // associated with an overall shared user, which doesn't seem all 8337 // that unreasonable. 8338 if (pkgSetting.sharedUser != null) { 8339 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8340 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8341 throw new PackageManagerException( 8342 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8343 "Signature mismatch for shared user: " 8344 + pkgSetting.sharedUser); 8345 } 8346 } 8347 // File a report about this. 8348 String msg = "System package " + pkg.packageName 8349 + " signature changed; retaining data."; 8350 reportSettingsProblem(Log.WARN, msg); 8351 } 8352 } 8353 // Verify that this new package doesn't have any content providers 8354 // that conflict with existing packages. Only do this if the 8355 // package isn't already installed, since we don't want to break 8356 // things that are installed. 8357 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8358 final int N = pkg.providers.size(); 8359 int i; 8360 for (i=0; i<N; i++) { 8361 PackageParser.Provider p = pkg.providers.get(i); 8362 if (p.info.authority != null) { 8363 String names[] = p.info.authority.split(";"); 8364 for (int j = 0; j < names.length; j++) { 8365 if (mProvidersByAuthority.containsKey(names[j])) { 8366 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8367 final String otherPackageName = 8368 ((other != null && other.getComponentName() != null) ? 8369 other.getComponentName().getPackageName() : "?"); 8370 throw new PackageManagerException( 8371 INSTALL_FAILED_CONFLICTING_PROVIDER, 8372 "Can't install because provider name " + names[j] 8373 + " (in package " + pkg.applicationInfo.packageName 8374 + ") is already used by " + otherPackageName); 8375 } 8376 } 8377 } 8378 } 8379 } 8380 8381 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8382 // This package wants to adopt ownership of permissions from 8383 // another package. 8384 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8385 final String origName = pkg.mAdoptPermissions.get(i); 8386 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8387 if (orig != null) { 8388 if (verifyPackageUpdateLPr(orig, pkg)) { 8389 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8390 + pkg.packageName); 8391 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8392 } 8393 } 8394 } 8395 } 8396 } 8397 8398 final String pkgName = pkg.packageName; 8399 8400 final long scanFileTime = scanFile.lastModified(); 8401 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8402 pkg.applicationInfo.processName = fixProcessName( 8403 pkg.applicationInfo.packageName, 8404 pkg.applicationInfo.processName, 8405 pkg.applicationInfo.uid); 8406 8407 if (pkg != mPlatformPackage) { 8408 // Get all of our default paths setup 8409 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8410 } 8411 8412 final String path = scanFile.getPath(); 8413 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8414 8415 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8416 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8417 8418 // Some system apps still use directory structure for native libraries 8419 // in which case we might end up not detecting abi solely based on apk 8420 // structure. Try to detect abi based on directory structure. 8421 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8422 pkg.applicationInfo.primaryCpuAbi == null) { 8423 setBundledAppAbisAndRoots(pkg, pkgSetting); 8424 setNativeLibraryPaths(pkg); 8425 } 8426 8427 } else { 8428 if ((scanFlags & SCAN_MOVE) != 0) { 8429 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8430 // but we already have this packages package info in the PackageSetting. We just 8431 // use that and derive the native library path based on the new codepath. 8432 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8433 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8434 } 8435 8436 // Set native library paths again. For moves, the path will be updated based on the 8437 // ABIs we've determined above. For non-moves, the path will be updated based on the 8438 // ABIs we determined during compilation, but the path will depend on the final 8439 // package path (after the rename away from the stage path). 8440 setNativeLibraryPaths(pkg); 8441 } 8442 8443 // This is a special case for the "system" package, where the ABI is 8444 // dictated by the zygote configuration (and init.rc). We should keep track 8445 // of this ABI so that we can deal with "normal" applications that run under 8446 // the same UID correctly. 8447 if (mPlatformPackage == pkg) { 8448 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8449 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8450 } 8451 8452 // If there's a mismatch between the abi-override in the package setting 8453 // and the abiOverride specified for the install. Warn about this because we 8454 // would've already compiled the app without taking the package setting into 8455 // account. 8456 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8457 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8458 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8459 " for package " + pkg.packageName); 8460 } 8461 } 8462 8463 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8464 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8465 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8466 8467 // Copy the derived override back to the parsed package, so that we can 8468 // update the package settings accordingly. 8469 pkg.cpuAbiOverride = cpuAbiOverride; 8470 8471 if (DEBUG_ABI_SELECTION) { 8472 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8473 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8474 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8475 } 8476 8477 // Push the derived path down into PackageSettings so we know what to 8478 // clean up at uninstall time. 8479 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8480 8481 if (DEBUG_ABI_SELECTION) { 8482 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8483 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8484 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8485 } 8486 8487 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8488 // We don't do this here during boot because we can do it all 8489 // at once after scanning all existing packages. 8490 // 8491 // We also do this *before* we perform dexopt on this package, so that 8492 // we can avoid redundant dexopts, and also to make sure we've got the 8493 // code and package path correct. 8494 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8495 pkg, true /* boot complete */); 8496 } 8497 8498 if (mFactoryTest && pkg.requestedPermissions.contains( 8499 android.Manifest.permission.FACTORY_TEST)) { 8500 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8501 } 8502 8503 ArrayList<PackageParser.Package> clientLibPkgs = null; 8504 8505 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8506 if (nonMutatedPs != null) { 8507 synchronized (mPackages) { 8508 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8509 } 8510 } 8511 return pkg; 8512 } 8513 8514 // Only privileged apps and updated privileged apps can add child packages. 8515 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8516 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8517 throw new PackageManagerException("Only privileged apps and updated " 8518 + "privileged apps can add child packages. Ignoring package " 8519 + pkg.packageName); 8520 } 8521 final int childCount = pkg.childPackages.size(); 8522 for (int i = 0; i < childCount; i++) { 8523 PackageParser.Package childPkg = pkg.childPackages.get(i); 8524 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8525 childPkg.packageName)) { 8526 throw new PackageManagerException("Cannot override a child package of " 8527 + "another disabled system app. Ignoring package " + pkg.packageName); 8528 } 8529 } 8530 } 8531 8532 // writer 8533 synchronized (mPackages) { 8534 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8535 // Only system apps can add new shared libraries. 8536 if (pkg.libraryNames != null) { 8537 for (int i=0; i<pkg.libraryNames.size(); i++) { 8538 String name = pkg.libraryNames.get(i); 8539 boolean allowed = false; 8540 if (pkg.isUpdatedSystemApp()) { 8541 // New library entries can only be added through the 8542 // system image. This is important to get rid of a lot 8543 // of nasty edge cases: for example if we allowed a non- 8544 // system update of the app to add a library, then uninstalling 8545 // the update would make the library go away, and assumptions 8546 // we made such as through app install filtering would now 8547 // have allowed apps on the device which aren't compatible 8548 // with it. Better to just have the restriction here, be 8549 // conservative, and create many fewer cases that can negatively 8550 // impact the user experience. 8551 final PackageSetting sysPs = mSettings 8552 .getDisabledSystemPkgLPr(pkg.packageName); 8553 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8554 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8555 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8556 allowed = true; 8557 break; 8558 } 8559 } 8560 } 8561 } else { 8562 allowed = true; 8563 } 8564 if (allowed) { 8565 if (!mSharedLibraries.containsKey(name)) { 8566 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8567 } else if (!name.equals(pkg.packageName)) { 8568 Slog.w(TAG, "Package " + pkg.packageName + " library " 8569 + name + " already exists; skipping"); 8570 } 8571 } else { 8572 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8573 + name + " that is not declared on system image; skipping"); 8574 } 8575 } 8576 if ((scanFlags & SCAN_BOOTING) == 0) { 8577 // If we are not booting, we need to update any applications 8578 // that are clients of our shared library. If we are booting, 8579 // this will all be done once the scan is complete. 8580 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8581 } 8582 } 8583 } 8584 } 8585 8586 if ((scanFlags & SCAN_BOOTING) != 0) { 8587 // No apps can run during boot scan, so they don't need to be frozen 8588 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8589 // Caller asked to not kill app, so it's probably not frozen 8590 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8591 // Caller asked us to ignore frozen check for some reason; they 8592 // probably didn't know the package name 8593 } else { 8594 // We're doing major surgery on this package, so it better be frozen 8595 // right now to keep it from launching 8596 checkPackageFrozen(pkgName); 8597 } 8598 8599 // Also need to kill any apps that are dependent on the library. 8600 if (clientLibPkgs != null) { 8601 for (int i=0; i<clientLibPkgs.size(); i++) { 8602 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8603 killApplication(clientPkg.applicationInfo.packageName, 8604 clientPkg.applicationInfo.uid, "update lib"); 8605 } 8606 } 8607 8608 // Make sure we're not adding any bogus keyset info 8609 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8610 ksms.assertScannedPackageValid(pkg); 8611 8612 // writer 8613 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8614 8615 boolean createIdmapFailed = false; 8616 synchronized (mPackages) { 8617 // We don't expect installation to fail beyond this point 8618 8619 if (pkgSetting.pkg != null) { 8620 // Note that |user| might be null during the initial boot scan. If a codePath 8621 // for an app has changed during a boot scan, it's due to an app update that's 8622 // part of the system partition and marker changes must be applied to all users. 8623 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8624 (user != null) ? user : UserHandle.ALL); 8625 } 8626 8627 // Add the new setting to mSettings 8628 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8629 // Add the new setting to mPackages 8630 mPackages.put(pkg.applicationInfo.packageName, pkg); 8631 // Make sure we don't accidentally delete its data. 8632 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8633 while (iter.hasNext()) { 8634 PackageCleanItem item = iter.next(); 8635 if (pkgName.equals(item.packageName)) { 8636 iter.remove(); 8637 } 8638 } 8639 8640 // Take care of first install / last update times. 8641 if (currentTime != 0) { 8642 if (pkgSetting.firstInstallTime == 0) { 8643 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8644 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8645 pkgSetting.lastUpdateTime = currentTime; 8646 } 8647 } else if (pkgSetting.firstInstallTime == 0) { 8648 // We need *something*. Take time time stamp of the file. 8649 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8650 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8651 if (scanFileTime != pkgSetting.timeStamp) { 8652 // A package on the system image has changed; consider this 8653 // to be an update. 8654 pkgSetting.lastUpdateTime = scanFileTime; 8655 } 8656 } 8657 8658 // Add the package's KeySets to the global KeySetManagerService 8659 ksms.addScannedPackageLPw(pkg); 8660 8661 int N = pkg.providers.size(); 8662 StringBuilder r = null; 8663 int i; 8664 for (i=0; i<N; i++) { 8665 PackageParser.Provider p = pkg.providers.get(i); 8666 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8667 p.info.processName, pkg.applicationInfo.uid); 8668 mProviders.addProvider(p); 8669 p.syncable = p.info.isSyncable; 8670 if (p.info.authority != null) { 8671 String names[] = p.info.authority.split(";"); 8672 p.info.authority = null; 8673 for (int j = 0; j < names.length; j++) { 8674 if (j == 1 && p.syncable) { 8675 // We only want the first authority for a provider to possibly be 8676 // syncable, so if we already added this provider using a different 8677 // authority clear the syncable flag. We copy the provider before 8678 // changing it because the mProviders object contains a reference 8679 // to a provider that we don't want to change. 8680 // Only do this for the second authority since the resulting provider 8681 // object can be the same for all future authorities for this provider. 8682 p = new PackageParser.Provider(p); 8683 p.syncable = false; 8684 } 8685 if (!mProvidersByAuthority.containsKey(names[j])) { 8686 mProvidersByAuthority.put(names[j], p); 8687 if (p.info.authority == null) { 8688 p.info.authority = names[j]; 8689 } else { 8690 p.info.authority = p.info.authority + ";" + names[j]; 8691 } 8692 if (DEBUG_PACKAGE_SCANNING) { 8693 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8694 Log.d(TAG, "Registered content provider: " + names[j] 8695 + ", className = " + p.info.name + ", isSyncable = " 8696 + p.info.isSyncable); 8697 } 8698 } else { 8699 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8700 Slog.w(TAG, "Skipping provider name " + names[j] + 8701 " (in package " + pkg.applicationInfo.packageName + 8702 "): name already used by " 8703 + ((other != null && other.getComponentName() != null) 8704 ? other.getComponentName().getPackageName() : "?")); 8705 } 8706 } 8707 } 8708 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8709 if (r == null) { 8710 r = new StringBuilder(256); 8711 } else { 8712 r.append(' '); 8713 } 8714 r.append(p.info.name); 8715 } 8716 } 8717 if (r != null) { 8718 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8719 } 8720 8721 N = pkg.services.size(); 8722 r = null; 8723 for (i=0; i<N; i++) { 8724 PackageParser.Service s = pkg.services.get(i); 8725 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8726 s.info.processName, pkg.applicationInfo.uid); 8727 mServices.addService(s); 8728 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8729 if (r == null) { 8730 r = new StringBuilder(256); 8731 } else { 8732 r.append(' '); 8733 } 8734 r.append(s.info.name); 8735 } 8736 } 8737 if (r != null) { 8738 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8739 } 8740 8741 N = pkg.receivers.size(); 8742 r = null; 8743 for (i=0; i<N; i++) { 8744 PackageParser.Activity a = pkg.receivers.get(i); 8745 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8746 a.info.processName, pkg.applicationInfo.uid); 8747 mReceivers.addActivity(a, "receiver"); 8748 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8749 if (r == null) { 8750 r = new StringBuilder(256); 8751 } else { 8752 r.append(' '); 8753 } 8754 r.append(a.info.name); 8755 } 8756 } 8757 if (r != null) { 8758 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8759 } 8760 8761 N = pkg.activities.size(); 8762 r = null; 8763 for (i=0; i<N; i++) { 8764 PackageParser.Activity a = pkg.activities.get(i); 8765 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8766 a.info.processName, pkg.applicationInfo.uid); 8767 mActivities.addActivity(a, "activity"); 8768 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8769 if (r == null) { 8770 r = new StringBuilder(256); 8771 } else { 8772 r.append(' '); 8773 } 8774 r.append(a.info.name); 8775 } 8776 } 8777 if (r != null) { 8778 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8779 } 8780 8781 N = pkg.permissionGroups.size(); 8782 r = null; 8783 for (i=0; i<N; i++) { 8784 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8785 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8786 if (cur == null) { 8787 mPermissionGroups.put(pg.info.name, pg); 8788 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8789 if (r == null) { 8790 r = new StringBuilder(256); 8791 } else { 8792 r.append(' '); 8793 } 8794 r.append(pg.info.name); 8795 } 8796 } else { 8797 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8798 + pg.info.packageName + " ignored: original from " 8799 + cur.info.packageName); 8800 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8801 if (r == null) { 8802 r = new StringBuilder(256); 8803 } else { 8804 r.append(' '); 8805 } 8806 r.append("DUP:"); 8807 r.append(pg.info.name); 8808 } 8809 } 8810 } 8811 if (r != null) { 8812 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8813 } 8814 8815 N = pkg.permissions.size(); 8816 r = null; 8817 for (i=0; i<N; i++) { 8818 PackageParser.Permission p = pkg.permissions.get(i); 8819 8820 // Assume by default that we did not install this permission into the system. 8821 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8822 8823 // Now that permission groups have a special meaning, we ignore permission 8824 // groups for legacy apps to prevent unexpected behavior. In particular, 8825 // permissions for one app being granted to someone just becase they happen 8826 // to be in a group defined by another app (before this had no implications). 8827 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8828 p.group = mPermissionGroups.get(p.info.group); 8829 // Warn for a permission in an unknown group. 8830 if (p.info.group != null && p.group == null) { 8831 Slog.w(TAG, "Permission " + p.info.name + " from package " 8832 + p.info.packageName + " in an unknown group " + p.info.group); 8833 } 8834 } 8835 8836 ArrayMap<String, BasePermission> permissionMap = 8837 p.tree ? mSettings.mPermissionTrees 8838 : mSettings.mPermissions; 8839 BasePermission bp = permissionMap.get(p.info.name); 8840 8841 // Allow system apps to redefine non-system permissions 8842 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8843 final boolean currentOwnerIsSystem = (bp.perm != null 8844 && isSystemApp(bp.perm.owner)); 8845 if (isSystemApp(p.owner)) { 8846 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8847 // It's a built-in permission and no owner, take ownership now 8848 bp.packageSetting = pkgSetting; 8849 bp.perm = p; 8850 bp.uid = pkg.applicationInfo.uid; 8851 bp.sourcePackage = p.info.packageName; 8852 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8853 } else if (!currentOwnerIsSystem) { 8854 String msg = "New decl " + p.owner + " of permission " 8855 + p.info.name + " is system; overriding " + bp.sourcePackage; 8856 reportSettingsProblem(Log.WARN, msg); 8857 bp = null; 8858 } 8859 } 8860 } 8861 8862 if (bp == null) { 8863 bp = new BasePermission(p.info.name, p.info.packageName, 8864 BasePermission.TYPE_NORMAL); 8865 permissionMap.put(p.info.name, bp); 8866 } 8867 8868 if (bp.perm == null) { 8869 if (bp.sourcePackage == null 8870 || bp.sourcePackage.equals(p.info.packageName)) { 8871 BasePermission tree = findPermissionTreeLP(p.info.name); 8872 if (tree == null 8873 || tree.sourcePackage.equals(p.info.packageName)) { 8874 bp.packageSetting = pkgSetting; 8875 bp.perm = p; 8876 bp.uid = pkg.applicationInfo.uid; 8877 bp.sourcePackage = p.info.packageName; 8878 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8879 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8880 if (r == null) { 8881 r = new StringBuilder(256); 8882 } else { 8883 r.append(' '); 8884 } 8885 r.append(p.info.name); 8886 } 8887 } else { 8888 Slog.w(TAG, "Permission " + p.info.name + " from package " 8889 + p.info.packageName + " ignored: base tree " 8890 + tree.name + " is from package " 8891 + tree.sourcePackage); 8892 } 8893 } else { 8894 Slog.w(TAG, "Permission " + p.info.name + " from package " 8895 + p.info.packageName + " ignored: original from " 8896 + bp.sourcePackage); 8897 } 8898 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8899 if (r == null) { 8900 r = new StringBuilder(256); 8901 } else { 8902 r.append(' '); 8903 } 8904 r.append("DUP:"); 8905 r.append(p.info.name); 8906 } 8907 if (bp.perm == p) { 8908 bp.protectionLevel = p.info.protectionLevel; 8909 } 8910 } 8911 8912 if (r != null) { 8913 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8914 } 8915 8916 N = pkg.instrumentation.size(); 8917 r = null; 8918 for (i=0; i<N; i++) { 8919 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8920 a.info.packageName = pkg.applicationInfo.packageName; 8921 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8922 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8923 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8924 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8925 a.info.dataDir = pkg.applicationInfo.dataDir; 8926 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8927 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8928 8929 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8930 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8931 mInstrumentation.put(a.getComponentName(), a); 8932 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8933 if (r == null) { 8934 r = new StringBuilder(256); 8935 } else { 8936 r.append(' '); 8937 } 8938 r.append(a.info.name); 8939 } 8940 } 8941 if (r != null) { 8942 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8943 } 8944 8945 if (pkg.protectedBroadcasts != null) { 8946 N = pkg.protectedBroadcasts.size(); 8947 for (i=0; i<N; i++) { 8948 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8949 } 8950 } 8951 8952 pkgSetting.setTimeStamp(scanFileTime); 8953 8954 // Create idmap files for pairs of (packages, overlay packages). 8955 // Note: "android", ie framework-res.apk, is handled by native layers. 8956 if (pkg.mOverlayTarget != null) { 8957 // This is an overlay package. 8958 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8959 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8960 mOverlays.put(pkg.mOverlayTarget, 8961 new ArrayMap<String, PackageParser.Package>()); 8962 } 8963 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8964 map.put(pkg.packageName, pkg); 8965 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8966 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8967 createIdmapFailed = true; 8968 } 8969 } 8970 } else if (mOverlays.containsKey(pkg.packageName) && 8971 !pkg.packageName.equals("android")) { 8972 // This is a regular package, with one or more known overlay packages. 8973 createIdmapsForPackageLI(pkg); 8974 } 8975 } 8976 8977 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8978 8979 if (createIdmapFailed) { 8980 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8981 "scanPackageLI failed to createIdmap"); 8982 } 8983 return pkg; 8984 } 8985 8986 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8987 PackageParser.Package update, UserHandle user) { 8988 if (existing.applicationInfo == null || update.applicationInfo == null) { 8989 // This isn't due to an app installation. 8990 return; 8991 } 8992 8993 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8994 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8995 8996 // The codePath hasn't changed, so there's nothing for us to do. 8997 if (Objects.equals(oldCodePath, newCodePath)) { 8998 return; 8999 } 9000 9001 File canonicalNewCodePath; 9002 try { 9003 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9004 } catch (IOException e) { 9005 Slog.w(TAG, "Failed to get canonical path.", e); 9006 return; 9007 } 9008 9009 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9010 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9011 // that the last component of the path (i.e, the name) doesn't need canonicalization 9012 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9013 // but may change in the future. Hopefully this function won't exist at that point. 9014 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9015 oldCodePath.getName()); 9016 9017 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9018 // with "@". 9019 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9020 if (!oldMarkerPrefix.endsWith("@")) { 9021 oldMarkerPrefix += "@"; 9022 } 9023 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9024 if (!newMarkerPrefix.endsWith("@")) { 9025 newMarkerPrefix += "@"; 9026 } 9027 9028 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9029 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9030 for (String updatedPath : updatedPaths) { 9031 String updatedPathName = new File(updatedPath).getName(); 9032 markerSuffixes.add(updatedPathName.replace('/', '@')); 9033 } 9034 9035 for (int userId : resolveUserIds(user.getIdentifier())) { 9036 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9037 9038 for (String markerSuffix : markerSuffixes) { 9039 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9040 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9041 if (oldForeignUseMark.exists()) { 9042 try { 9043 Os.rename(oldForeignUseMark.getAbsolutePath(), 9044 newForeignUseMark.getAbsolutePath()); 9045 } catch (ErrnoException e) { 9046 Slog.w(TAG, "Failed to rename foreign use marker", e); 9047 oldForeignUseMark.delete(); 9048 } 9049 } 9050 } 9051 } 9052 } 9053 9054 /** 9055 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9056 * is derived purely on the basis of the contents of {@code scanFile} and 9057 * {@code cpuAbiOverride}. 9058 * 9059 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9060 */ 9061 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9062 String cpuAbiOverride, boolean extractLibs) 9063 throws PackageManagerException { 9064 // TODO: We can probably be smarter about this stuff. For installed apps, 9065 // we can calculate this information at install time once and for all. For 9066 // system apps, we can probably assume that this information doesn't change 9067 // after the first boot scan. As things stand, we do lots of unnecessary work. 9068 9069 // Give ourselves some initial paths; we'll come back for another 9070 // pass once we've determined ABI below. 9071 setNativeLibraryPaths(pkg); 9072 9073 // We would never need to extract libs for forward-locked and external packages, 9074 // since the container service will do it for us. We shouldn't attempt to 9075 // extract libs from system app when it was not updated. 9076 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9077 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9078 extractLibs = false; 9079 } 9080 9081 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9082 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9083 9084 NativeLibraryHelper.Handle handle = null; 9085 try { 9086 handle = NativeLibraryHelper.Handle.create(pkg); 9087 // TODO(multiArch): This can be null for apps that didn't go through the 9088 // usual installation process. We can calculate it again, like we 9089 // do during install time. 9090 // 9091 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9092 // unnecessary. 9093 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9094 9095 // Null out the abis so that they can be recalculated. 9096 pkg.applicationInfo.primaryCpuAbi = null; 9097 pkg.applicationInfo.secondaryCpuAbi = null; 9098 if (isMultiArch(pkg.applicationInfo)) { 9099 // Warn if we've set an abiOverride for multi-lib packages.. 9100 // By definition, we need to copy both 32 and 64 bit libraries for 9101 // such packages. 9102 if (pkg.cpuAbiOverride != null 9103 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9104 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9105 } 9106 9107 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9108 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9109 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9110 if (extractLibs) { 9111 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9112 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9113 useIsaSpecificSubdirs); 9114 } else { 9115 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9116 } 9117 } 9118 9119 maybeThrowExceptionForMultiArchCopy( 9120 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9121 9122 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9123 if (extractLibs) { 9124 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9125 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9126 useIsaSpecificSubdirs); 9127 } else { 9128 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9129 } 9130 } 9131 9132 maybeThrowExceptionForMultiArchCopy( 9133 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9134 9135 if (abi64 >= 0) { 9136 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9137 } 9138 9139 if (abi32 >= 0) { 9140 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9141 if (abi64 >= 0) { 9142 if (pkg.use32bitAbi) { 9143 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9144 pkg.applicationInfo.primaryCpuAbi = abi; 9145 } else { 9146 pkg.applicationInfo.secondaryCpuAbi = abi; 9147 } 9148 } else { 9149 pkg.applicationInfo.primaryCpuAbi = abi; 9150 } 9151 } 9152 9153 } else { 9154 String[] abiList = (cpuAbiOverride != null) ? 9155 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9156 9157 // Enable gross and lame hacks for apps that are built with old 9158 // SDK tools. We must scan their APKs for renderscript bitcode and 9159 // not launch them if it's present. Don't bother checking on devices 9160 // that don't have 64 bit support. 9161 boolean needsRenderScriptOverride = false; 9162 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9163 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9164 abiList = Build.SUPPORTED_32_BIT_ABIS; 9165 needsRenderScriptOverride = true; 9166 } 9167 9168 final int copyRet; 9169 if (extractLibs) { 9170 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9171 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9172 } else { 9173 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9174 } 9175 9176 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9177 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9178 "Error unpackaging native libs for app, errorCode=" + copyRet); 9179 } 9180 9181 if (copyRet >= 0) { 9182 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9183 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9184 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9185 } else if (needsRenderScriptOverride) { 9186 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9187 } 9188 } 9189 } catch (IOException ioe) { 9190 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9191 } finally { 9192 IoUtils.closeQuietly(handle); 9193 } 9194 9195 // Now that we've calculated the ABIs and determined if it's an internal app, 9196 // we will go ahead and populate the nativeLibraryPath. 9197 setNativeLibraryPaths(pkg); 9198 } 9199 9200 /** 9201 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9202 * i.e, so that all packages can be run inside a single process if required. 9203 * 9204 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9205 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9206 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9207 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9208 * updating a package that belongs to a shared user. 9209 * 9210 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9211 * adds unnecessary complexity. 9212 */ 9213 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9214 PackageParser.Package scannedPackage, boolean bootComplete) { 9215 String requiredInstructionSet = null; 9216 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9217 requiredInstructionSet = VMRuntime.getInstructionSet( 9218 scannedPackage.applicationInfo.primaryCpuAbi); 9219 } 9220 9221 PackageSetting requirer = null; 9222 for (PackageSetting ps : packagesForUser) { 9223 // If packagesForUser contains scannedPackage, we skip it. This will happen 9224 // when scannedPackage is an update of an existing package. Without this check, 9225 // we will never be able to change the ABI of any package belonging to a shared 9226 // user, even if it's compatible with other packages. 9227 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9228 if (ps.primaryCpuAbiString == null) { 9229 continue; 9230 } 9231 9232 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9233 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9234 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9235 // this but there's not much we can do. 9236 String errorMessage = "Instruction set mismatch, " 9237 + ((requirer == null) ? "[caller]" : requirer) 9238 + " requires " + requiredInstructionSet + " whereas " + ps 9239 + " requires " + instructionSet; 9240 Slog.w(TAG, errorMessage); 9241 } 9242 9243 if (requiredInstructionSet == null) { 9244 requiredInstructionSet = instructionSet; 9245 requirer = ps; 9246 } 9247 } 9248 } 9249 9250 if (requiredInstructionSet != null) { 9251 String adjustedAbi; 9252 if (requirer != null) { 9253 // requirer != null implies that either scannedPackage was null or that scannedPackage 9254 // did not require an ABI, in which case we have to adjust scannedPackage to match 9255 // the ABI of the set (which is the same as requirer's ABI) 9256 adjustedAbi = requirer.primaryCpuAbiString; 9257 if (scannedPackage != null) { 9258 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9259 } 9260 } else { 9261 // requirer == null implies that we're updating all ABIs in the set to 9262 // match scannedPackage. 9263 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9264 } 9265 9266 for (PackageSetting ps : packagesForUser) { 9267 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9268 if (ps.primaryCpuAbiString != null) { 9269 continue; 9270 } 9271 9272 ps.primaryCpuAbiString = adjustedAbi; 9273 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9274 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9275 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9276 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9277 + " (requirer=" 9278 + (requirer == null ? "null" : requirer.pkg.packageName) 9279 + ", scannedPackage=" 9280 + (scannedPackage != null ? scannedPackage.packageName : "null") 9281 + ")"); 9282 try { 9283 mInstaller.rmdex(ps.codePathString, 9284 getDexCodeInstructionSet(getPreferredInstructionSet())); 9285 } catch (InstallerException ignored) { 9286 } 9287 } 9288 } 9289 } 9290 } 9291 } 9292 9293 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9294 synchronized (mPackages) { 9295 mResolverReplaced = true; 9296 // Set up information for custom user intent resolution activity. 9297 mResolveActivity.applicationInfo = pkg.applicationInfo; 9298 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9299 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9300 mResolveActivity.processName = pkg.applicationInfo.packageName; 9301 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9302 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9303 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9304 mResolveActivity.theme = 0; 9305 mResolveActivity.exported = true; 9306 mResolveActivity.enabled = true; 9307 mResolveInfo.activityInfo = mResolveActivity; 9308 mResolveInfo.priority = 0; 9309 mResolveInfo.preferredOrder = 0; 9310 mResolveInfo.match = 0; 9311 mResolveComponentName = mCustomResolverComponentName; 9312 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9313 mResolveComponentName); 9314 } 9315 } 9316 9317 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9318 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9319 9320 // Set up information for ephemeral installer activity 9321 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9322 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9323 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9324 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9325 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9326 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9327 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9328 mEphemeralInstallerActivity.theme = 0; 9329 mEphemeralInstallerActivity.exported = true; 9330 mEphemeralInstallerActivity.enabled = true; 9331 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9332 mEphemeralInstallerInfo.priority = 0; 9333 mEphemeralInstallerInfo.preferredOrder = 0; 9334 mEphemeralInstallerInfo.match = 0; 9335 9336 if (DEBUG_EPHEMERAL) { 9337 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9338 } 9339 } 9340 9341 private static String calculateBundledApkRoot(final String codePathString) { 9342 final File codePath = new File(codePathString); 9343 final File codeRoot; 9344 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9345 codeRoot = Environment.getRootDirectory(); 9346 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9347 codeRoot = Environment.getOemDirectory(); 9348 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9349 codeRoot = Environment.getVendorDirectory(); 9350 } else { 9351 // Unrecognized code path; take its top real segment as the apk root: 9352 // e.g. /something/app/blah.apk => /something 9353 try { 9354 File f = codePath.getCanonicalFile(); 9355 File parent = f.getParentFile(); // non-null because codePath is a file 9356 File tmp; 9357 while ((tmp = parent.getParentFile()) != null) { 9358 f = parent; 9359 parent = tmp; 9360 } 9361 codeRoot = f; 9362 Slog.w(TAG, "Unrecognized code path " 9363 + codePath + " - using " + codeRoot); 9364 } catch (IOException e) { 9365 // Can't canonicalize the code path -- shenanigans? 9366 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9367 return Environment.getRootDirectory().getPath(); 9368 } 9369 } 9370 return codeRoot.getPath(); 9371 } 9372 9373 /** 9374 * Derive and set the location of native libraries for the given package, 9375 * which varies depending on where and how the package was installed. 9376 */ 9377 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9378 final ApplicationInfo info = pkg.applicationInfo; 9379 final String codePath = pkg.codePath; 9380 final File codeFile = new File(codePath); 9381 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9382 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9383 9384 info.nativeLibraryRootDir = null; 9385 info.nativeLibraryRootRequiresIsa = false; 9386 info.nativeLibraryDir = null; 9387 info.secondaryNativeLibraryDir = null; 9388 9389 if (isApkFile(codeFile)) { 9390 // Monolithic install 9391 if (bundledApp) { 9392 // If "/system/lib64/apkname" exists, assume that is the per-package 9393 // native library directory to use; otherwise use "/system/lib/apkname". 9394 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9395 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9396 getPrimaryInstructionSet(info)); 9397 9398 // This is a bundled system app so choose the path based on the ABI. 9399 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9400 // is just the default path. 9401 final String apkName = deriveCodePathName(codePath); 9402 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9403 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9404 apkName).getAbsolutePath(); 9405 9406 if (info.secondaryCpuAbi != null) { 9407 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9408 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9409 secondaryLibDir, apkName).getAbsolutePath(); 9410 } 9411 } else if (asecApp) { 9412 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9413 .getAbsolutePath(); 9414 } else { 9415 final String apkName = deriveCodePathName(codePath); 9416 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9417 .getAbsolutePath(); 9418 } 9419 9420 info.nativeLibraryRootRequiresIsa = false; 9421 info.nativeLibraryDir = info.nativeLibraryRootDir; 9422 } else { 9423 // Cluster install 9424 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9425 info.nativeLibraryRootRequiresIsa = true; 9426 9427 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9428 getPrimaryInstructionSet(info)).getAbsolutePath(); 9429 9430 if (info.secondaryCpuAbi != null) { 9431 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9432 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9433 } 9434 } 9435 } 9436 9437 /** 9438 * Calculate the abis and roots for a bundled app. These can uniquely 9439 * be determined from the contents of the system partition, i.e whether 9440 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9441 * of this information, and instead assume that the system was built 9442 * sensibly. 9443 */ 9444 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9445 PackageSetting pkgSetting) { 9446 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9447 9448 // If "/system/lib64/apkname" exists, assume that is the per-package 9449 // native library directory to use; otherwise use "/system/lib/apkname". 9450 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9451 setBundledAppAbi(pkg, apkRoot, apkName); 9452 // pkgSetting might be null during rescan following uninstall of updates 9453 // to a bundled app, so accommodate that possibility. The settings in 9454 // that case will be established later from the parsed package. 9455 // 9456 // If the settings aren't null, sync them up with what we've just derived. 9457 // note that apkRoot isn't stored in the package settings. 9458 if (pkgSetting != null) { 9459 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9460 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9461 } 9462 } 9463 9464 /** 9465 * Deduces the ABI of a bundled app and sets the relevant fields on the 9466 * parsed pkg object. 9467 * 9468 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9469 * under which system libraries are installed. 9470 * @param apkName the name of the installed package. 9471 */ 9472 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9473 final File codeFile = new File(pkg.codePath); 9474 9475 final boolean has64BitLibs; 9476 final boolean has32BitLibs; 9477 if (isApkFile(codeFile)) { 9478 // Monolithic install 9479 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9480 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9481 } else { 9482 // Cluster install 9483 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9484 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9485 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9486 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9487 has64BitLibs = (new File(rootDir, isa)).exists(); 9488 } else { 9489 has64BitLibs = false; 9490 } 9491 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9492 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9493 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9494 has32BitLibs = (new File(rootDir, isa)).exists(); 9495 } else { 9496 has32BitLibs = false; 9497 } 9498 } 9499 9500 if (has64BitLibs && !has32BitLibs) { 9501 // The package has 64 bit libs, but not 32 bit libs. Its primary 9502 // ABI should be 64 bit. We can safely assume here that the bundled 9503 // native libraries correspond to the most preferred ABI in the list. 9504 9505 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9506 pkg.applicationInfo.secondaryCpuAbi = null; 9507 } else if (has32BitLibs && !has64BitLibs) { 9508 // The package has 32 bit libs but not 64 bit libs. Its primary 9509 // ABI should be 32 bit. 9510 9511 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9512 pkg.applicationInfo.secondaryCpuAbi = null; 9513 } else if (has32BitLibs && has64BitLibs) { 9514 // The application has both 64 and 32 bit bundled libraries. We check 9515 // here that the app declares multiArch support, and warn if it doesn't. 9516 // 9517 // We will be lenient here and record both ABIs. The primary will be the 9518 // ABI that's higher on the list, i.e, a device that's configured to prefer 9519 // 64 bit apps will see a 64 bit primary ABI, 9520 9521 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9522 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9523 } 9524 9525 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9526 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9527 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9528 } else { 9529 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9530 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9531 } 9532 } else { 9533 pkg.applicationInfo.primaryCpuAbi = null; 9534 pkg.applicationInfo.secondaryCpuAbi = null; 9535 } 9536 } 9537 9538 private void killApplication(String pkgName, int appId, String reason) { 9539 // Request the ActivityManager to kill the process(only for existing packages) 9540 // so that we do not end up in a confused state while the user is still using the older 9541 // version of the application while the new one gets installed. 9542 final long token = Binder.clearCallingIdentity(); 9543 try { 9544 IActivityManager am = ActivityManagerNative.getDefault(); 9545 if (am != null) { 9546 try { 9547 am.killApplicationWithAppId(pkgName, appId, reason); 9548 } catch (RemoteException e) { 9549 } 9550 } 9551 } finally { 9552 Binder.restoreCallingIdentity(token); 9553 } 9554 } 9555 9556 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9557 // Remove the parent package setting 9558 PackageSetting ps = (PackageSetting) pkg.mExtras; 9559 if (ps != null) { 9560 removePackageLI(ps, chatty); 9561 } 9562 // Remove the child package setting 9563 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9564 for (int i = 0; i < childCount; i++) { 9565 PackageParser.Package childPkg = pkg.childPackages.get(i); 9566 ps = (PackageSetting) childPkg.mExtras; 9567 if (ps != null) { 9568 removePackageLI(ps, chatty); 9569 } 9570 } 9571 } 9572 9573 void removePackageLI(PackageSetting ps, boolean chatty) { 9574 if (DEBUG_INSTALL) { 9575 if (chatty) 9576 Log.d(TAG, "Removing package " + ps.name); 9577 } 9578 9579 // writer 9580 synchronized (mPackages) { 9581 mPackages.remove(ps.name); 9582 final PackageParser.Package pkg = ps.pkg; 9583 if (pkg != null) { 9584 cleanPackageDataStructuresLILPw(pkg, chatty); 9585 } 9586 } 9587 } 9588 9589 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9590 if (DEBUG_INSTALL) { 9591 if (chatty) 9592 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9593 } 9594 9595 // writer 9596 synchronized (mPackages) { 9597 // Remove the parent package 9598 mPackages.remove(pkg.applicationInfo.packageName); 9599 cleanPackageDataStructuresLILPw(pkg, chatty); 9600 9601 // Remove the child packages 9602 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9603 for (int i = 0; i < childCount; i++) { 9604 PackageParser.Package childPkg = pkg.childPackages.get(i); 9605 mPackages.remove(childPkg.applicationInfo.packageName); 9606 cleanPackageDataStructuresLILPw(childPkg, chatty); 9607 } 9608 } 9609 } 9610 9611 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9612 int N = pkg.providers.size(); 9613 StringBuilder r = null; 9614 int i; 9615 for (i=0; i<N; i++) { 9616 PackageParser.Provider p = pkg.providers.get(i); 9617 mProviders.removeProvider(p); 9618 if (p.info.authority == null) { 9619 9620 /* There was another ContentProvider with this authority when 9621 * this app was installed so this authority is null, 9622 * Ignore it as we don't have to unregister the provider. 9623 */ 9624 continue; 9625 } 9626 String names[] = p.info.authority.split(";"); 9627 for (int j = 0; j < names.length; j++) { 9628 if (mProvidersByAuthority.get(names[j]) == p) { 9629 mProvidersByAuthority.remove(names[j]); 9630 if (DEBUG_REMOVE) { 9631 if (chatty) 9632 Log.d(TAG, "Unregistered content provider: " + names[j] 9633 + ", className = " + p.info.name + ", isSyncable = " 9634 + p.info.isSyncable); 9635 } 9636 } 9637 } 9638 if (DEBUG_REMOVE && chatty) { 9639 if (r == null) { 9640 r = new StringBuilder(256); 9641 } else { 9642 r.append(' '); 9643 } 9644 r.append(p.info.name); 9645 } 9646 } 9647 if (r != null) { 9648 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9649 } 9650 9651 N = pkg.services.size(); 9652 r = null; 9653 for (i=0; i<N; i++) { 9654 PackageParser.Service s = pkg.services.get(i); 9655 mServices.removeService(s); 9656 if (chatty) { 9657 if (r == null) { 9658 r = new StringBuilder(256); 9659 } else { 9660 r.append(' '); 9661 } 9662 r.append(s.info.name); 9663 } 9664 } 9665 if (r != null) { 9666 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9667 } 9668 9669 N = pkg.receivers.size(); 9670 r = null; 9671 for (i=0; i<N; i++) { 9672 PackageParser.Activity a = pkg.receivers.get(i); 9673 mReceivers.removeActivity(a, "receiver"); 9674 if (DEBUG_REMOVE && chatty) { 9675 if (r == null) { 9676 r = new StringBuilder(256); 9677 } else { 9678 r.append(' '); 9679 } 9680 r.append(a.info.name); 9681 } 9682 } 9683 if (r != null) { 9684 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9685 } 9686 9687 N = pkg.activities.size(); 9688 r = null; 9689 for (i=0; i<N; i++) { 9690 PackageParser.Activity a = pkg.activities.get(i); 9691 mActivities.removeActivity(a, "activity"); 9692 if (DEBUG_REMOVE && chatty) { 9693 if (r == null) { 9694 r = new StringBuilder(256); 9695 } else { 9696 r.append(' '); 9697 } 9698 r.append(a.info.name); 9699 } 9700 } 9701 if (r != null) { 9702 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9703 } 9704 9705 N = pkg.permissions.size(); 9706 r = null; 9707 for (i=0; i<N; i++) { 9708 PackageParser.Permission p = pkg.permissions.get(i); 9709 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9710 if (bp == null) { 9711 bp = mSettings.mPermissionTrees.get(p.info.name); 9712 } 9713 if (bp != null && bp.perm == p) { 9714 bp.perm = null; 9715 if (DEBUG_REMOVE && chatty) { 9716 if (r == null) { 9717 r = new StringBuilder(256); 9718 } else { 9719 r.append(' '); 9720 } 9721 r.append(p.info.name); 9722 } 9723 } 9724 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9725 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9726 if (appOpPkgs != null) { 9727 appOpPkgs.remove(pkg.packageName); 9728 } 9729 } 9730 } 9731 if (r != null) { 9732 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9733 } 9734 9735 N = pkg.requestedPermissions.size(); 9736 r = null; 9737 for (i=0; i<N; i++) { 9738 String perm = pkg.requestedPermissions.get(i); 9739 BasePermission bp = mSettings.mPermissions.get(perm); 9740 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9741 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9742 if (appOpPkgs != null) { 9743 appOpPkgs.remove(pkg.packageName); 9744 if (appOpPkgs.isEmpty()) { 9745 mAppOpPermissionPackages.remove(perm); 9746 } 9747 } 9748 } 9749 } 9750 if (r != null) { 9751 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9752 } 9753 9754 N = pkg.instrumentation.size(); 9755 r = null; 9756 for (i=0; i<N; i++) { 9757 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9758 mInstrumentation.remove(a.getComponentName()); 9759 if (DEBUG_REMOVE && chatty) { 9760 if (r == null) { 9761 r = new StringBuilder(256); 9762 } else { 9763 r.append(' '); 9764 } 9765 r.append(a.info.name); 9766 } 9767 } 9768 if (r != null) { 9769 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9770 } 9771 9772 r = null; 9773 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9774 // Only system apps can hold shared libraries. 9775 if (pkg.libraryNames != null) { 9776 for (i=0; i<pkg.libraryNames.size(); i++) { 9777 String name = pkg.libraryNames.get(i); 9778 SharedLibraryEntry cur = mSharedLibraries.get(name); 9779 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9780 mSharedLibraries.remove(name); 9781 if (DEBUG_REMOVE && chatty) { 9782 if (r == null) { 9783 r = new StringBuilder(256); 9784 } else { 9785 r.append(' '); 9786 } 9787 r.append(name); 9788 } 9789 } 9790 } 9791 } 9792 } 9793 if (r != null) { 9794 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9795 } 9796 } 9797 9798 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9799 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9800 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9801 return true; 9802 } 9803 } 9804 return false; 9805 } 9806 9807 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9808 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9809 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9810 9811 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9812 // Update the parent permissions 9813 updatePermissionsLPw(pkg.packageName, pkg, flags); 9814 // Update the child permissions 9815 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9816 for (int i = 0; i < childCount; i++) { 9817 PackageParser.Package childPkg = pkg.childPackages.get(i); 9818 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9819 } 9820 } 9821 9822 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9823 int flags) { 9824 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9825 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9826 } 9827 9828 private void updatePermissionsLPw(String changingPkg, 9829 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9830 // Make sure there are no dangling permission trees. 9831 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9832 while (it.hasNext()) { 9833 final BasePermission bp = it.next(); 9834 if (bp.packageSetting == null) { 9835 // We may not yet have parsed the package, so just see if 9836 // we still know about its settings. 9837 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9838 } 9839 if (bp.packageSetting == null) { 9840 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9841 + " from package " + bp.sourcePackage); 9842 it.remove(); 9843 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9844 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9845 Slog.i(TAG, "Removing old permission tree: " + bp.name 9846 + " from package " + bp.sourcePackage); 9847 flags |= UPDATE_PERMISSIONS_ALL; 9848 it.remove(); 9849 } 9850 } 9851 } 9852 9853 // Make sure all dynamic permissions have been assigned to a package, 9854 // and make sure there are no dangling permissions. 9855 it = mSettings.mPermissions.values().iterator(); 9856 while (it.hasNext()) { 9857 final BasePermission bp = it.next(); 9858 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9859 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9860 + bp.name + " pkg=" + bp.sourcePackage 9861 + " info=" + bp.pendingInfo); 9862 if (bp.packageSetting == null && bp.pendingInfo != null) { 9863 final BasePermission tree = findPermissionTreeLP(bp.name); 9864 if (tree != null && tree.perm != null) { 9865 bp.packageSetting = tree.packageSetting; 9866 bp.perm = new PackageParser.Permission(tree.perm.owner, 9867 new PermissionInfo(bp.pendingInfo)); 9868 bp.perm.info.packageName = tree.perm.info.packageName; 9869 bp.perm.info.name = bp.name; 9870 bp.uid = tree.uid; 9871 } 9872 } 9873 } 9874 if (bp.packageSetting == null) { 9875 // We may not yet have parsed the package, so just see if 9876 // we still know about its settings. 9877 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9878 } 9879 if (bp.packageSetting == null) { 9880 Slog.w(TAG, "Removing dangling permission: " + bp.name 9881 + " from package " + bp.sourcePackage); 9882 it.remove(); 9883 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9884 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9885 Slog.i(TAG, "Removing old permission: " + bp.name 9886 + " from package " + bp.sourcePackage); 9887 flags |= UPDATE_PERMISSIONS_ALL; 9888 it.remove(); 9889 } 9890 } 9891 } 9892 9893 // Now update the permissions for all packages, in particular 9894 // replace the granted permissions of the system packages. 9895 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9896 for (PackageParser.Package pkg : mPackages.values()) { 9897 if (pkg != pkgInfo) { 9898 // Only replace for packages on requested volume 9899 final String volumeUuid = getVolumeUuidForPackage(pkg); 9900 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9901 && Objects.equals(replaceVolumeUuid, volumeUuid); 9902 grantPermissionsLPw(pkg, replace, changingPkg); 9903 } 9904 } 9905 } 9906 9907 if (pkgInfo != null) { 9908 // Only replace for packages on requested volume 9909 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9910 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9911 && Objects.equals(replaceVolumeUuid, volumeUuid); 9912 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9913 } 9914 } 9915 9916 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9917 String packageOfInterest) { 9918 // IMPORTANT: There are two types of permissions: install and runtime. 9919 // Install time permissions are granted when the app is installed to 9920 // all device users and users added in the future. Runtime permissions 9921 // are granted at runtime explicitly to specific users. Normal and signature 9922 // protected permissions are install time permissions. Dangerous permissions 9923 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9924 // otherwise they are runtime permissions. This function does not manage 9925 // runtime permissions except for the case an app targeting Lollipop MR1 9926 // being upgraded to target a newer SDK, in which case dangerous permissions 9927 // are transformed from install time to runtime ones. 9928 9929 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9930 if (ps == null) { 9931 return; 9932 } 9933 9934 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9935 9936 PermissionsState permissionsState = ps.getPermissionsState(); 9937 PermissionsState origPermissions = permissionsState; 9938 9939 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9940 9941 boolean runtimePermissionsRevoked = false; 9942 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9943 9944 boolean changedInstallPermission = false; 9945 9946 if (replace) { 9947 ps.installPermissionsFixed = false; 9948 if (!ps.isSharedUser()) { 9949 origPermissions = new PermissionsState(permissionsState); 9950 permissionsState.reset(); 9951 } else { 9952 // We need to know only about runtime permission changes since the 9953 // calling code always writes the install permissions state but 9954 // the runtime ones are written only if changed. The only cases of 9955 // changed runtime permissions here are promotion of an install to 9956 // runtime and revocation of a runtime from a shared user. 9957 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9958 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9959 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9960 runtimePermissionsRevoked = true; 9961 } 9962 } 9963 } 9964 9965 permissionsState.setGlobalGids(mGlobalGids); 9966 9967 final int N = pkg.requestedPermissions.size(); 9968 for (int i=0; i<N; i++) { 9969 final String name = pkg.requestedPermissions.get(i); 9970 final BasePermission bp = mSettings.mPermissions.get(name); 9971 9972 if (DEBUG_INSTALL) { 9973 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9974 } 9975 9976 if (bp == null || bp.packageSetting == null) { 9977 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9978 Slog.w(TAG, "Unknown permission " + name 9979 + " in package " + pkg.packageName); 9980 } 9981 continue; 9982 } 9983 9984 final String perm = bp.name; 9985 boolean allowedSig = false; 9986 int grant = GRANT_DENIED; 9987 9988 // Keep track of app op permissions. 9989 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9990 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9991 if (pkgs == null) { 9992 pkgs = new ArraySet<>(); 9993 mAppOpPermissionPackages.put(bp.name, pkgs); 9994 } 9995 pkgs.add(pkg.packageName); 9996 } 9997 9998 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9999 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10000 >= Build.VERSION_CODES.M; 10001 switch (level) { 10002 case PermissionInfo.PROTECTION_NORMAL: { 10003 // For all apps normal permissions are install time ones. 10004 grant = GRANT_INSTALL; 10005 } break; 10006 10007 case PermissionInfo.PROTECTION_DANGEROUS: { 10008 // If a permission review is required for legacy apps we represent 10009 // their permissions as always granted runtime ones since we need 10010 // to keep the review required permission flag per user while an 10011 // install permission's state is shared across all users. 10012 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10013 // For legacy apps dangerous permissions are install time ones. 10014 grant = GRANT_INSTALL; 10015 } else if (origPermissions.hasInstallPermission(bp.name)) { 10016 // For legacy apps that became modern, install becomes runtime. 10017 grant = GRANT_UPGRADE; 10018 } else if (mPromoteSystemApps 10019 && isSystemApp(ps) 10020 && mExistingSystemPackages.contains(ps.name)) { 10021 // For legacy system apps, install becomes runtime. 10022 // We cannot check hasInstallPermission() for system apps since those 10023 // permissions were granted implicitly and not persisted pre-M. 10024 grant = GRANT_UPGRADE; 10025 } else { 10026 // For modern apps keep runtime permissions unchanged. 10027 grant = GRANT_RUNTIME; 10028 } 10029 } break; 10030 10031 case PermissionInfo.PROTECTION_SIGNATURE: { 10032 // For all apps signature permissions are install time ones. 10033 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10034 if (allowedSig) { 10035 grant = GRANT_INSTALL; 10036 } 10037 } break; 10038 } 10039 10040 if (DEBUG_INSTALL) { 10041 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10042 } 10043 10044 if (grant != GRANT_DENIED) { 10045 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10046 // If this is an existing, non-system package, then 10047 // we can't add any new permissions to it. 10048 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10049 // Except... if this is a permission that was added 10050 // to the platform (note: need to only do this when 10051 // updating the platform). 10052 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10053 grant = GRANT_DENIED; 10054 } 10055 } 10056 } 10057 10058 switch (grant) { 10059 case GRANT_INSTALL: { 10060 // Revoke this as runtime permission to handle the case of 10061 // a runtime permission being downgraded to an install one. 10062 // Also in permission review mode we keep dangerous permissions 10063 // for legacy apps 10064 for (int userId : UserManagerService.getInstance().getUserIds()) { 10065 if (origPermissions.getRuntimePermissionState( 10066 bp.name, userId) != null) { 10067 // Revoke the runtime permission and clear the flags. 10068 origPermissions.revokeRuntimePermission(bp, userId); 10069 origPermissions.updatePermissionFlags(bp, userId, 10070 PackageManager.MASK_PERMISSION_FLAGS, 0); 10071 // If we revoked a permission permission, we have to write. 10072 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10073 changedRuntimePermissionUserIds, userId); 10074 } 10075 } 10076 // Grant an install permission. 10077 if (permissionsState.grantInstallPermission(bp) != 10078 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10079 changedInstallPermission = true; 10080 } 10081 } break; 10082 10083 case GRANT_RUNTIME: { 10084 // Grant previously granted runtime permissions. 10085 for (int userId : UserManagerService.getInstance().getUserIds()) { 10086 PermissionState permissionState = origPermissions 10087 .getRuntimePermissionState(bp.name, userId); 10088 int flags = permissionState != null 10089 ? permissionState.getFlags() : 0; 10090 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10091 if (permissionsState.grantRuntimePermission(bp, userId) == 10092 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10093 // If we cannot put the permission as it was, we have to write. 10094 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10095 changedRuntimePermissionUserIds, userId); 10096 } 10097 // If the app supports runtime permissions no need for a review. 10098 if (Build.PERMISSIONS_REVIEW_REQUIRED 10099 && appSupportsRuntimePermissions 10100 && (flags & PackageManager 10101 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10102 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10103 // Since we changed the flags, we have to write. 10104 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10105 changedRuntimePermissionUserIds, userId); 10106 } 10107 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10108 && !appSupportsRuntimePermissions) { 10109 // For legacy apps that need a permission review, every new 10110 // runtime permission is granted but it is pending a review. 10111 // We also need to review only platform defined runtime 10112 // permissions as these are the only ones the platform knows 10113 // how to disable the API to simulate revocation as legacy 10114 // apps don't expect to run with revoked permissions. 10115 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10116 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10117 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10118 // We changed the flags, hence have to write. 10119 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10120 changedRuntimePermissionUserIds, userId); 10121 } 10122 } 10123 if (permissionsState.grantRuntimePermission(bp, userId) 10124 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10125 // We changed the permission, hence have to write. 10126 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10127 changedRuntimePermissionUserIds, userId); 10128 } 10129 } 10130 // Propagate the permission flags. 10131 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10132 } 10133 } break; 10134 10135 case GRANT_UPGRADE: { 10136 // Grant runtime permissions for a previously held install permission. 10137 PermissionState permissionState = origPermissions 10138 .getInstallPermissionState(bp.name); 10139 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10140 10141 if (origPermissions.revokeInstallPermission(bp) 10142 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10143 // We will be transferring the permission flags, so clear them. 10144 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10145 PackageManager.MASK_PERMISSION_FLAGS, 0); 10146 changedInstallPermission = true; 10147 } 10148 10149 // If the permission is not to be promoted to runtime we ignore it and 10150 // also its other flags as they are not applicable to install permissions. 10151 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10152 for (int userId : currentUserIds) { 10153 if (permissionsState.grantRuntimePermission(bp, userId) != 10154 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10155 // Transfer the permission flags. 10156 permissionsState.updatePermissionFlags(bp, userId, 10157 flags, flags); 10158 // If we granted the permission, we have to write. 10159 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10160 changedRuntimePermissionUserIds, userId); 10161 } 10162 } 10163 } 10164 } break; 10165 10166 default: { 10167 if (packageOfInterest == null 10168 || packageOfInterest.equals(pkg.packageName)) { 10169 Slog.w(TAG, "Not granting permission " + perm 10170 + " to package " + pkg.packageName 10171 + " because it was previously installed without"); 10172 } 10173 } break; 10174 } 10175 } else { 10176 if (permissionsState.revokeInstallPermission(bp) != 10177 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10178 // Also drop the permission flags. 10179 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10180 PackageManager.MASK_PERMISSION_FLAGS, 0); 10181 changedInstallPermission = true; 10182 Slog.i(TAG, "Un-granting permission " + perm 10183 + " from package " + pkg.packageName 10184 + " (protectionLevel=" + bp.protectionLevel 10185 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10186 + ")"); 10187 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10188 // Don't print warning for app op permissions, since it is fine for them 10189 // not to be granted, there is a UI for the user to decide. 10190 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10191 Slog.w(TAG, "Not granting permission " + perm 10192 + " to package " + pkg.packageName 10193 + " (protectionLevel=" + bp.protectionLevel 10194 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10195 + ")"); 10196 } 10197 } 10198 } 10199 } 10200 10201 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10202 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10203 // This is the first that we have heard about this package, so the 10204 // permissions we have now selected are fixed until explicitly 10205 // changed. 10206 ps.installPermissionsFixed = true; 10207 } 10208 10209 // Persist the runtime permissions state for users with changes. If permissions 10210 // were revoked because no app in the shared user declares them we have to 10211 // write synchronously to avoid losing runtime permissions state. 10212 for (int userId : changedRuntimePermissionUserIds) { 10213 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10214 } 10215 10216 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10217 } 10218 10219 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10220 boolean allowed = false; 10221 final int NP = PackageParser.NEW_PERMISSIONS.length; 10222 for (int ip=0; ip<NP; ip++) { 10223 final PackageParser.NewPermissionInfo npi 10224 = PackageParser.NEW_PERMISSIONS[ip]; 10225 if (npi.name.equals(perm) 10226 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10227 allowed = true; 10228 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10229 + pkg.packageName); 10230 break; 10231 } 10232 } 10233 return allowed; 10234 } 10235 10236 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10237 BasePermission bp, PermissionsState origPermissions) { 10238 boolean allowed; 10239 allowed = (compareSignatures( 10240 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10241 == PackageManager.SIGNATURE_MATCH) 10242 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10243 == PackageManager.SIGNATURE_MATCH); 10244 if (!allowed && (bp.protectionLevel 10245 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10246 if (isSystemApp(pkg)) { 10247 // For updated system applications, a system permission 10248 // is granted only if it had been defined by the original application. 10249 if (pkg.isUpdatedSystemApp()) { 10250 final PackageSetting sysPs = mSettings 10251 .getDisabledSystemPkgLPr(pkg.packageName); 10252 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10253 // If the original was granted this permission, we take 10254 // that grant decision as read and propagate it to the 10255 // update. 10256 if (sysPs.isPrivileged()) { 10257 allowed = true; 10258 } 10259 } else { 10260 // The system apk may have been updated with an older 10261 // version of the one on the data partition, but which 10262 // granted a new system permission that it didn't have 10263 // before. In this case we do want to allow the app to 10264 // now get the new permission if the ancestral apk is 10265 // privileged to get it. 10266 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10267 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10268 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10269 allowed = true; 10270 break; 10271 } 10272 } 10273 } 10274 // Also if a privileged parent package on the system image or any of 10275 // its children requested a privileged permission, the updated child 10276 // packages can also get the permission. 10277 if (pkg.parentPackage != null) { 10278 final PackageSetting disabledSysParentPs = mSettings 10279 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10280 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10281 && disabledSysParentPs.isPrivileged()) { 10282 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10283 allowed = true; 10284 } else if (disabledSysParentPs.pkg.childPackages != null) { 10285 final int count = disabledSysParentPs.pkg.childPackages.size(); 10286 for (int i = 0; i < count; i++) { 10287 PackageParser.Package disabledSysChildPkg = 10288 disabledSysParentPs.pkg.childPackages.get(i); 10289 if (isPackageRequestingPermission(disabledSysChildPkg, 10290 perm)) { 10291 allowed = true; 10292 break; 10293 } 10294 } 10295 } 10296 } 10297 } 10298 } 10299 } else { 10300 allowed = isPrivilegedApp(pkg); 10301 } 10302 } 10303 } 10304 if (!allowed) { 10305 if (!allowed && (bp.protectionLevel 10306 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10307 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10308 // If this was a previously normal/dangerous permission that got moved 10309 // to a system permission as part of the runtime permission redesign, then 10310 // we still want to blindly grant it to old apps. 10311 allowed = true; 10312 } 10313 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10314 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10315 // If this permission is to be granted to the system installer and 10316 // this app is an installer, then it gets the permission. 10317 allowed = true; 10318 } 10319 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10320 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10321 // If this permission is to be granted to the system verifier and 10322 // this app is a verifier, then it gets the permission. 10323 allowed = true; 10324 } 10325 if (!allowed && (bp.protectionLevel 10326 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10327 && isSystemApp(pkg)) { 10328 // Any pre-installed system app is allowed to get this permission. 10329 allowed = true; 10330 } 10331 if (!allowed && (bp.protectionLevel 10332 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10333 // For development permissions, a development permission 10334 // is granted only if it was already granted. 10335 allowed = origPermissions.hasInstallPermission(perm); 10336 } 10337 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10338 && pkg.packageName.equals(mSetupWizardPackage)) { 10339 // If this permission is to be granted to the system setup wizard and 10340 // this app is a setup wizard, then it gets the permission. 10341 allowed = true; 10342 } 10343 } 10344 return allowed; 10345 } 10346 10347 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10348 final int permCount = pkg.requestedPermissions.size(); 10349 for (int j = 0; j < permCount; j++) { 10350 String requestedPermission = pkg.requestedPermissions.get(j); 10351 if (permission.equals(requestedPermission)) { 10352 return true; 10353 } 10354 } 10355 return false; 10356 } 10357 10358 final class ActivityIntentResolver 10359 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10360 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10361 boolean defaultOnly, int userId) { 10362 if (!sUserManager.exists(userId)) return null; 10363 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10364 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10365 } 10366 10367 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10368 int userId) { 10369 if (!sUserManager.exists(userId)) return null; 10370 mFlags = flags; 10371 return super.queryIntent(intent, resolvedType, 10372 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10373 } 10374 10375 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10376 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10377 if (!sUserManager.exists(userId)) return null; 10378 if (packageActivities == null) { 10379 return null; 10380 } 10381 mFlags = flags; 10382 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10383 final int N = packageActivities.size(); 10384 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10385 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10386 10387 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10388 for (int i = 0; i < N; ++i) { 10389 intentFilters = packageActivities.get(i).intents; 10390 if (intentFilters != null && intentFilters.size() > 0) { 10391 PackageParser.ActivityIntentInfo[] array = 10392 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10393 intentFilters.toArray(array); 10394 listCut.add(array); 10395 } 10396 } 10397 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10398 } 10399 10400 /** 10401 * Finds a privileged activity that matches the specified activity names. 10402 */ 10403 private PackageParser.Activity findMatchingActivity( 10404 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10405 for (PackageParser.Activity sysActivity : activityList) { 10406 if (sysActivity.info.name.equals(activityInfo.name)) { 10407 return sysActivity; 10408 } 10409 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10410 return sysActivity; 10411 } 10412 if (sysActivity.info.targetActivity != null) { 10413 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10414 return sysActivity; 10415 } 10416 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10417 return sysActivity; 10418 } 10419 } 10420 } 10421 return null; 10422 } 10423 10424 public class IterGenerator<E> { 10425 public Iterator<E> generate(ActivityIntentInfo info) { 10426 return null; 10427 } 10428 } 10429 10430 public class ActionIterGenerator extends IterGenerator<String> { 10431 @Override 10432 public Iterator<String> generate(ActivityIntentInfo info) { 10433 return info.actionsIterator(); 10434 } 10435 } 10436 10437 public class CategoriesIterGenerator extends IterGenerator<String> { 10438 @Override 10439 public Iterator<String> generate(ActivityIntentInfo info) { 10440 return info.categoriesIterator(); 10441 } 10442 } 10443 10444 public class SchemesIterGenerator extends IterGenerator<String> { 10445 @Override 10446 public Iterator<String> generate(ActivityIntentInfo info) { 10447 return info.schemesIterator(); 10448 } 10449 } 10450 10451 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10452 @Override 10453 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10454 return info.authoritiesIterator(); 10455 } 10456 } 10457 10458 /** 10459 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10460 * MODIFIED. Do not pass in a list that should not be changed. 10461 */ 10462 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10463 IterGenerator<T> generator, Iterator<T> searchIterator) { 10464 // loop through the set of actions; every one must be found in the intent filter 10465 while (searchIterator.hasNext()) { 10466 // we must have at least one filter in the list to consider a match 10467 if (intentList.size() == 0) { 10468 break; 10469 } 10470 10471 final T searchAction = searchIterator.next(); 10472 10473 // loop through the set of intent filters 10474 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10475 while (intentIter.hasNext()) { 10476 final ActivityIntentInfo intentInfo = intentIter.next(); 10477 boolean selectionFound = false; 10478 10479 // loop through the intent filter's selection criteria; at least one 10480 // of them must match the searched criteria 10481 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10482 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10483 final T intentSelection = intentSelectionIter.next(); 10484 if (intentSelection != null && intentSelection.equals(searchAction)) { 10485 selectionFound = true; 10486 break; 10487 } 10488 } 10489 10490 // the selection criteria wasn't found in this filter's set; this filter 10491 // is not a potential match 10492 if (!selectionFound) { 10493 intentIter.remove(); 10494 } 10495 } 10496 } 10497 } 10498 10499 private boolean isProtectedAction(ActivityIntentInfo filter) { 10500 final Iterator<String> actionsIter = filter.actionsIterator(); 10501 while (actionsIter != null && actionsIter.hasNext()) { 10502 final String filterAction = actionsIter.next(); 10503 if (PROTECTED_ACTIONS.contains(filterAction)) { 10504 return true; 10505 } 10506 } 10507 return false; 10508 } 10509 10510 /** 10511 * Adjusts the priority of the given intent filter according to policy. 10512 * <p> 10513 * <ul> 10514 * <li>The priority for non privileged applications is capped to '0'</li> 10515 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10516 * <li>The priority for unbundled updates to privileged applications is capped to the 10517 * priority defined on the system partition</li> 10518 * </ul> 10519 * <p> 10520 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10521 * allowed to obtain any priority on any action. 10522 */ 10523 private void adjustPriority( 10524 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10525 // nothing to do; priority is fine as-is 10526 if (intent.getPriority() <= 0) { 10527 return; 10528 } 10529 10530 final ActivityInfo activityInfo = intent.activity.info; 10531 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10532 10533 final boolean privilegedApp = 10534 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10535 if (!privilegedApp) { 10536 // non-privileged applications can never define a priority >0 10537 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10538 + " package: " + applicationInfo.packageName 10539 + " activity: " + intent.activity.className 10540 + " origPrio: " + intent.getPriority()); 10541 intent.setPriority(0); 10542 return; 10543 } 10544 10545 if (systemActivities == null) { 10546 // the system package is not disabled; we're parsing the system partition 10547 if (isProtectedAction(intent)) { 10548 if (mDeferProtectedFilters) { 10549 // We can't deal with these just yet. No component should ever obtain a 10550 // >0 priority for a protected actions, with ONE exception -- the setup 10551 // wizard. The setup wizard, however, cannot be known until we're able to 10552 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10553 // until all intent filters have been processed. Chicken, meet egg. 10554 // Let the filter temporarily have a high priority and rectify the 10555 // priorities after all system packages have been scanned. 10556 mProtectedFilters.add(intent); 10557 if (DEBUG_FILTERS) { 10558 Slog.i(TAG, "Protected action; save for later;" 10559 + " package: " + applicationInfo.packageName 10560 + " activity: " + intent.activity.className 10561 + " origPrio: " + intent.getPriority()); 10562 } 10563 return; 10564 } else { 10565 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10566 Slog.i(TAG, "No setup wizard;" 10567 + " All protected intents capped to priority 0"); 10568 } 10569 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10570 if (DEBUG_FILTERS) { 10571 Slog.i(TAG, "Found setup wizard;" 10572 + " allow priority " + intent.getPriority() + ";" 10573 + " package: " + intent.activity.info.packageName 10574 + " activity: " + intent.activity.className 10575 + " priority: " + intent.getPriority()); 10576 } 10577 // setup wizard gets whatever it wants 10578 return; 10579 } 10580 Slog.w(TAG, "Protected action; cap priority to 0;" 10581 + " package: " + intent.activity.info.packageName 10582 + " activity: " + intent.activity.className 10583 + " origPrio: " + intent.getPriority()); 10584 intent.setPriority(0); 10585 return; 10586 } 10587 } 10588 // privileged apps on the system image get whatever priority they request 10589 return; 10590 } 10591 10592 // privileged app unbundled update ... try to find the same activity 10593 final PackageParser.Activity foundActivity = 10594 findMatchingActivity(systemActivities, activityInfo); 10595 if (foundActivity == null) { 10596 // this is a new activity; it cannot obtain >0 priority 10597 if (DEBUG_FILTERS) { 10598 Slog.i(TAG, "New activity; cap priority to 0;" 10599 + " package: " + applicationInfo.packageName 10600 + " activity: " + intent.activity.className 10601 + " origPrio: " + intent.getPriority()); 10602 } 10603 intent.setPriority(0); 10604 return; 10605 } 10606 10607 // found activity, now check for filter equivalence 10608 10609 // a shallow copy is enough; we modify the list, not its contents 10610 final List<ActivityIntentInfo> intentListCopy = 10611 new ArrayList<>(foundActivity.intents); 10612 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10613 10614 // find matching action subsets 10615 final Iterator<String> actionsIterator = intent.actionsIterator(); 10616 if (actionsIterator != null) { 10617 getIntentListSubset( 10618 intentListCopy, new ActionIterGenerator(), actionsIterator); 10619 if (intentListCopy.size() == 0) { 10620 // no more intents to match; we're not equivalent 10621 if (DEBUG_FILTERS) { 10622 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10623 + " package: " + applicationInfo.packageName 10624 + " activity: " + intent.activity.className 10625 + " origPrio: " + intent.getPriority()); 10626 } 10627 intent.setPriority(0); 10628 return; 10629 } 10630 } 10631 10632 // find matching category subsets 10633 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10634 if (categoriesIterator != null) { 10635 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10636 categoriesIterator); 10637 if (intentListCopy.size() == 0) { 10638 // no more intents to match; we're not equivalent 10639 if (DEBUG_FILTERS) { 10640 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10641 + " package: " + applicationInfo.packageName 10642 + " activity: " + intent.activity.className 10643 + " origPrio: " + intent.getPriority()); 10644 } 10645 intent.setPriority(0); 10646 return; 10647 } 10648 } 10649 10650 // find matching schemes subsets 10651 final Iterator<String> schemesIterator = intent.schemesIterator(); 10652 if (schemesIterator != null) { 10653 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10654 schemesIterator); 10655 if (intentListCopy.size() == 0) { 10656 // no more intents to match; we're not equivalent 10657 if (DEBUG_FILTERS) { 10658 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10659 + " package: " + applicationInfo.packageName 10660 + " activity: " + intent.activity.className 10661 + " origPrio: " + intent.getPriority()); 10662 } 10663 intent.setPriority(0); 10664 return; 10665 } 10666 } 10667 10668 // find matching authorities subsets 10669 final Iterator<IntentFilter.AuthorityEntry> 10670 authoritiesIterator = intent.authoritiesIterator(); 10671 if (authoritiesIterator != null) { 10672 getIntentListSubset(intentListCopy, 10673 new AuthoritiesIterGenerator(), 10674 authoritiesIterator); 10675 if (intentListCopy.size() == 0) { 10676 // no more intents to match; we're not equivalent 10677 if (DEBUG_FILTERS) { 10678 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10679 + " package: " + applicationInfo.packageName 10680 + " activity: " + intent.activity.className 10681 + " origPrio: " + intent.getPriority()); 10682 } 10683 intent.setPriority(0); 10684 return; 10685 } 10686 } 10687 10688 // we found matching filter(s); app gets the max priority of all intents 10689 int cappedPriority = 0; 10690 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10691 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10692 } 10693 if (intent.getPriority() > cappedPriority) { 10694 if (DEBUG_FILTERS) { 10695 Slog.i(TAG, "Found matching filter(s);" 10696 + " cap priority to " + cappedPriority + ";" 10697 + " package: " + applicationInfo.packageName 10698 + " activity: " + intent.activity.className 10699 + " origPrio: " + intent.getPriority()); 10700 } 10701 intent.setPriority(cappedPriority); 10702 return; 10703 } 10704 // all this for nothing; the requested priority was <= what was on the system 10705 } 10706 10707 public final void addActivity(PackageParser.Activity a, String type) { 10708 mActivities.put(a.getComponentName(), a); 10709 if (DEBUG_SHOW_INFO) 10710 Log.v( 10711 TAG, " " + type + " " + 10712 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10713 if (DEBUG_SHOW_INFO) 10714 Log.v(TAG, " Class=" + a.info.name); 10715 final int NI = a.intents.size(); 10716 for (int j=0; j<NI; j++) { 10717 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10718 if ("activity".equals(type)) { 10719 final PackageSetting ps = 10720 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10721 final List<PackageParser.Activity> systemActivities = 10722 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10723 adjustPriority(systemActivities, intent); 10724 } 10725 if (DEBUG_SHOW_INFO) { 10726 Log.v(TAG, " IntentFilter:"); 10727 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10728 } 10729 if (!intent.debugCheck()) { 10730 Log.w(TAG, "==> For Activity " + a.info.name); 10731 } 10732 addFilter(intent); 10733 } 10734 } 10735 10736 public final void removeActivity(PackageParser.Activity a, String type) { 10737 mActivities.remove(a.getComponentName()); 10738 if (DEBUG_SHOW_INFO) { 10739 Log.v(TAG, " " + type + " " 10740 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10741 : a.info.name) + ":"); 10742 Log.v(TAG, " Class=" + a.info.name); 10743 } 10744 final int NI = a.intents.size(); 10745 for (int j=0; j<NI; j++) { 10746 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10747 if (DEBUG_SHOW_INFO) { 10748 Log.v(TAG, " IntentFilter:"); 10749 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10750 } 10751 removeFilter(intent); 10752 } 10753 } 10754 10755 @Override 10756 protected boolean allowFilterResult( 10757 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10758 ActivityInfo filterAi = filter.activity.info; 10759 for (int i=dest.size()-1; i>=0; i--) { 10760 ActivityInfo destAi = dest.get(i).activityInfo; 10761 if (destAi.name == filterAi.name 10762 && destAi.packageName == filterAi.packageName) { 10763 return false; 10764 } 10765 } 10766 return true; 10767 } 10768 10769 @Override 10770 protected ActivityIntentInfo[] newArray(int size) { 10771 return new ActivityIntentInfo[size]; 10772 } 10773 10774 @Override 10775 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10776 if (!sUserManager.exists(userId)) return true; 10777 PackageParser.Package p = filter.activity.owner; 10778 if (p != null) { 10779 PackageSetting ps = (PackageSetting)p.mExtras; 10780 if (ps != null) { 10781 // System apps are never considered stopped for purposes of 10782 // filtering, because there may be no way for the user to 10783 // actually re-launch them. 10784 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10785 && ps.getStopped(userId); 10786 } 10787 } 10788 return false; 10789 } 10790 10791 @Override 10792 protected boolean isPackageForFilter(String packageName, 10793 PackageParser.ActivityIntentInfo info) { 10794 return packageName.equals(info.activity.owner.packageName); 10795 } 10796 10797 @Override 10798 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10799 int match, int userId) { 10800 if (!sUserManager.exists(userId)) return null; 10801 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10802 return null; 10803 } 10804 final PackageParser.Activity activity = info.activity; 10805 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10806 if (ps == null) { 10807 return null; 10808 } 10809 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10810 ps.readUserState(userId), userId); 10811 if (ai == null) { 10812 return null; 10813 } 10814 final ResolveInfo res = new ResolveInfo(); 10815 res.activityInfo = ai; 10816 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10817 res.filter = info; 10818 } 10819 if (info != null) { 10820 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10821 } 10822 res.priority = info.getPriority(); 10823 res.preferredOrder = activity.owner.mPreferredOrder; 10824 //System.out.println("Result: " + res.activityInfo.className + 10825 // " = " + res.priority); 10826 res.match = match; 10827 res.isDefault = info.hasDefault; 10828 res.labelRes = info.labelRes; 10829 res.nonLocalizedLabel = info.nonLocalizedLabel; 10830 if (userNeedsBadging(userId)) { 10831 res.noResourceId = true; 10832 } else { 10833 res.icon = info.icon; 10834 } 10835 res.iconResourceId = info.icon; 10836 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10837 return res; 10838 } 10839 10840 @Override 10841 protected void sortResults(List<ResolveInfo> results) { 10842 Collections.sort(results, mResolvePrioritySorter); 10843 } 10844 10845 @Override 10846 protected void dumpFilter(PrintWriter out, String prefix, 10847 PackageParser.ActivityIntentInfo filter) { 10848 out.print(prefix); out.print( 10849 Integer.toHexString(System.identityHashCode(filter.activity))); 10850 out.print(' '); 10851 filter.activity.printComponentShortName(out); 10852 out.print(" filter "); 10853 out.println(Integer.toHexString(System.identityHashCode(filter))); 10854 } 10855 10856 @Override 10857 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10858 return filter.activity; 10859 } 10860 10861 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10862 PackageParser.Activity activity = (PackageParser.Activity)label; 10863 out.print(prefix); out.print( 10864 Integer.toHexString(System.identityHashCode(activity))); 10865 out.print(' '); 10866 activity.printComponentShortName(out); 10867 if (count > 1) { 10868 out.print(" ("); out.print(count); out.print(" filters)"); 10869 } 10870 out.println(); 10871 } 10872 10873 // Keys are String (activity class name), values are Activity. 10874 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10875 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10876 private int mFlags; 10877 } 10878 10879 private final class ServiceIntentResolver 10880 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10881 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10882 boolean defaultOnly, int userId) { 10883 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10884 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10885 } 10886 10887 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10888 int userId) { 10889 if (!sUserManager.exists(userId)) return null; 10890 mFlags = flags; 10891 return super.queryIntent(intent, resolvedType, 10892 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10893 } 10894 10895 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10896 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10897 if (!sUserManager.exists(userId)) return null; 10898 if (packageServices == null) { 10899 return null; 10900 } 10901 mFlags = flags; 10902 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10903 final int N = packageServices.size(); 10904 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10905 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10906 10907 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10908 for (int i = 0; i < N; ++i) { 10909 intentFilters = packageServices.get(i).intents; 10910 if (intentFilters != null && intentFilters.size() > 0) { 10911 PackageParser.ServiceIntentInfo[] array = 10912 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10913 intentFilters.toArray(array); 10914 listCut.add(array); 10915 } 10916 } 10917 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10918 } 10919 10920 public final void addService(PackageParser.Service s) { 10921 mServices.put(s.getComponentName(), s); 10922 if (DEBUG_SHOW_INFO) { 10923 Log.v(TAG, " " 10924 + (s.info.nonLocalizedLabel != null 10925 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10926 Log.v(TAG, " Class=" + s.info.name); 10927 } 10928 final int NI = s.intents.size(); 10929 int j; 10930 for (j=0; j<NI; j++) { 10931 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10932 if (DEBUG_SHOW_INFO) { 10933 Log.v(TAG, " IntentFilter:"); 10934 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10935 } 10936 if (!intent.debugCheck()) { 10937 Log.w(TAG, "==> For Service " + s.info.name); 10938 } 10939 addFilter(intent); 10940 } 10941 } 10942 10943 public final void removeService(PackageParser.Service s) { 10944 mServices.remove(s.getComponentName()); 10945 if (DEBUG_SHOW_INFO) { 10946 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10947 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10948 Log.v(TAG, " Class=" + s.info.name); 10949 } 10950 final int NI = s.intents.size(); 10951 int j; 10952 for (j=0; j<NI; j++) { 10953 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10954 if (DEBUG_SHOW_INFO) { 10955 Log.v(TAG, " IntentFilter:"); 10956 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10957 } 10958 removeFilter(intent); 10959 } 10960 } 10961 10962 @Override 10963 protected boolean allowFilterResult( 10964 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10965 ServiceInfo filterSi = filter.service.info; 10966 for (int i=dest.size()-1; i>=0; i--) { 10967 ServiceInfo destAi = dest.get(i).serviceInfo; 10968 if (destAi.name == filterSi.name 10969 && destAi.packageName == filterSi.packageName) { 10970 return false; 10971 } 10972 } 10973 return true; 10974 } 10975 10976 @Override 10977 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10978 return new PackageParser.ServiceIntentInfo[size]; 10979 } 10980 10981 @Override 10982 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10983 if (!sUserManager.exists(userId)) return true; 10984 PackageParser.Package p = filter.service.owner; 10985 if (p != null) { 10986 PackageSetting ps = (PackageSetting)p.mExtras; 10987 if (ps != null) { 10988 // System apps are never considered stopped for purposes of 10989 // filtering, because there may be no way for the user to 10990 // actually re-launch them. 10991 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10992 && ps.getStopped(userId); 10993 } 10994 } 10995 return false; 10996 } 10997 10998 @Override 10999 protected boolean isPackageForFilter(String packageName, 11000 PackageParser.ServiceIntentInfo info) { 11001 return packageName.equals(info.service.owner.packageName); 11002 } 11003 11004 @Override 11005 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11006 int match, int userId) { 11007 if (!sUserManager.exists(userId)) return null; 11008 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11009 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11010 return null; 11011 } 11012 final PackageParser.Service service = info.service; 11013 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11014 if (ps == null) { 11015 return null; 11016 } 11017 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11018 ps.readUserState(userId), userId); 11019 if (si == null) { 11020 return null; 11021 } 11022 final ResolveInfo res = new ResolveInfo(); 11023 res.serviceInfo = si; 11024 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11025 res.filter = filter; 11026 } 11027 res.priority = info.getPriority(); 11028 res.preferredOrder = service.owner.mPreferredOrder; 11029 res.match = match; 11030 res.isDefault = info.hasDefault; 11031 res.labelRes = info.labelRes; 11032 res.nonLocalizedLabel = info.nonLocalizedLabel; 11033 res.icon = info.icon; 11034 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11035 return res; 11036 } 11037 11038 @Override 11039 protected void sortResults(List<ResolveInfo> results) { 11040 Collections.sort(results, mResolvePrioritySorter); 11041 } 11042 11043 @Override 11044 protected void dumpFilter(PrintWriter out, String prefix, 11045 PackageParser.ServiceIntentInfo filter) { 11046 out.print(prefix); out.print( 11047 Integer.toHexString(System.identityHashCode(filter.service))); 11048 out.print(' '); 11049 filter.service.printComponentShortName(out); 11050 out.print(" filter "); 11051 out.println(Integer.toHexString(System.identityHashCode(filter))); 11052 } 11053 11054 @Override 11055 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11056 return filter.service; 11057 } 11058 11059 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11060 PackageParser.Service service = (PackageParser.Service)label; 11061 out.print(prefix); out.print( 11062 Integer.toHexString(System.identityHashCode(service))); 11063 out.print(' '); 11064 service.printComponentShortName(out); 11065 if (count > 1) { 11066 out.print(" ("); out.print(count); out.print(" filters)"); 11067 } 11068 out.println(); 11069 } 11070 11071// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11072// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11073// final List<ResolveInfo> retList = Lists.newArrayList(); 11074// while (i.hasNext()) { 11075// final ResolveInfo resolveInfo = (ResolveInfo) i; 11076// if (isEnabledLP(resolveInfo.serviceInfo)) { 11077// retList.add(resolveInfo); 11078// } 11079// } 11080// return retList; 11081// } 11082 11083 // Keys are String (activity class name), values are Activity. 11084 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11085 = new ArrayMap<ComponentName, PackageParser.Service>(); 11086 private int mFlags; 11087 }; 11088 11089 private final class ProviderIntentResolver 11090 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11091 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11092 boolean defaultOnly, int userId) { 11093 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11094 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11095 } 11096 11097 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11098 int userId) { 11099 if (!sUserManager.exists(userId)) 11100 return null; 11101 mFlags = flags; 11102 return super.queryIntent(intent, resolvedType, 11103 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11104 } 11105 11106 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11107 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11108 if (!sUserManager.exists(userId)) 11109 return null; 11110 if (packageProviders == null) { 11111 return null; 11112 } 11113 mFlags = flags; 11114 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11115 final int N = packageProviders.size(); 11116 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11117 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11118 11119 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11120 for (int i = 0; i < N; ++i) { 11121 intentFilters = packageProviders.get(i).intents; 11122 if (intentFilters != null && intentFilters.size() > 0) { 11123 PackageParser.ProviderIntentInfo[] array = 11124 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11125 intentFilters.toArray(array); 11126 listCut.add(array); 11127 } 11128 } 11129 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11130 } 11131 11132 public final void addProvider(PackageParser.Provider p) { 11133 if (mProviders.containsKey(p.getComponentName())) { 11134 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11135 return; 11136 } 11137 11138 mProviders.put(p.getComponentName(), p); 11139 if (DEBUG_SHOW_INFO) { 11140 Log.v(TAG, " " 11141 + (p.info.nonLocalizedLabel != null 11142 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11143 Log.v(TAG, " Class=" + p.info.name); 11144 } 11145 final int NI = p.intents.size(); 11146 int j; 11147 for (j = 0; j < NI; j++) { 11148 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11149 if (DEBUG_SHOW_INFO) { 11150 Log.v(TAG, " IntentFilter:"); 11151 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11152 } 11153 if (!intent.debugCheck()) { 11154 Log.w(TAG, "==> For Provider " + p.info.name); 11155 } 11156 addFilter(intent); 11157 } 11158 } 11159 11160 public final void removeProvider(PackageParser.Provider p) { 11161 mProviders.remove(p.getComponentName()); 11162 if (DEBUG_SHOW_INFO) { 11163 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11164 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11165 Log.v(TAG, " Class=" + p.info.name); 11166 } 11167 final int NI = p.intents.size(); 11168 int j; 11169 for (j = 0; j < NI; j++) { 11170 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11171 if (DEBUG_SHOW_INFO) { 11172 Log.v(TAG, " IntentFilter:"); 11173 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11174 } 11175 removeFilter(intent); 11176 } 11177 } 11178 11179 @Override 11180 protected boolean allowFilterResult( 11181 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11182 ProviderInfo filterPi = filter.provider.info; 11183 for (int i = dest.size() - 1; i >= 0; i--) { 11184 ProviderInfo destPi = dest.get(i).providerInfo; 11185 if (destPi.name == filterPi.name 11186 && destPi.packageName == filterPi.packageName) { 11187 return false; 11188 } 11189 } 11190 return true; 11191 } 11192 11193 @Override 11194 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11195 return new PackageParser.ProviderIntentInfo[size]; 11196 } 11197 11198 @Override 11199 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11200 if (!sUserManager.exists(userId)) 11201 return true; 11202 PackageParser.Package p = filter.provider.owner; 11203 if (p != null) { 11204 PackageSetting ps = (PackageSetting) p.mExtras; 11205 if (ps != null) { 11206 // System apps are never considered stopped for purposes of 11207 // filtering, because there may be no way for the user to 11208 // actually re-launch them. 11209 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11210 && ps.getStopped(userId); 11211 } 11212 } 11213 return false; 11214 } 11215 11216 @Override 11217 protected boolean isPackageForFilter(String packageName, 11218 PackageParser.ProviderIntentInfo info) { 11219 return packageName.equals(info.provider.owner.packageName); 11220 } 11221 11222 @Override 11223 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11224 int match, int userId) { 11225 if (!sUserManager.exists(userId)) 11226 return null; 11227 final PackageParser.ProviderIntentInfo info = filter; 11228 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11229 return null; 11230 } 11231 final PackageParser.Provider provider = info.provider; 11232 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11233 if (ps == null) { 11234 return null; 11235 } 11236 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11237 ps.readUserState(userId), userId); 11238 if (pi == null) { 11239 return null; 11240 } 11241 final ResolveInfo res = new ResolveInfo(); 11242 res.providerInfo = pi; 11243 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11244 res.filter = filter; 11245 } 11246 res.priority = info.getPriority(); 11247 res.preferredOrder = provider.owner.mPreferredOrder; 11248 res.match = match; 11249 res.isDefault = info.hasDefault; 11250 res.labelRes = info.labelRes; 11251 res.nonLocalizedLabel = info.nonLocalizedLabel; 11252 res.icon = info.icon; 11253 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11254 return res; 11255 } 11256 11257 @Override 11258 protected void sortResults(List<ResolveInfo> results) { 11259 Collections.sort(results, mResolvePrioritySorter); 11260 } 11261 11262 @Override 11263 protected void dumpFilter(PrintWriter out, String prefix, 11264 PackageParser.ProviderIntentInfo filter) { 11265 out.print(prefix); 11266 out.print( 11267 Integer.toHexString(System.identityHashCode(filter.provider))); 11268 out.print(' '); 11269 filter.provider.printComponentShortName(out); 11270 out.print(" filter "); 11271 out.println(Integer.toHexString(System.identityHashCode(filter))); 11272 } 11273 11274 @Override 11275 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11276 return filter.provider; 11277 } 11278 11279 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11280 PackageParser.Provider provider = (PackageParser.Provider)label; 11281 out.print(prefix); out.print( 11282 Integer.toHexString(System.identityHashCode(provider))); 11283 out.print(' '); 11284 provider.printComponentShortName(out); 11285 if (count > 1) { 11286 out.print(" ("); out.print(count); out.print(" filters)"); 11287 } 11288 out.println(); 11289 } 11290 11291 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11292 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11293 private int mFlags; 11294 } 11295 11296 private static final class EphemeralIntentResolver 11297 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11298 @Override 11299 protected EphemeralResolveIntentInfo[] newArray(int size) { 11300 return new EphemeralResolveIntentInfo[size]; 11301 } 11302 11303 @Override 11304 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11305 return true; 11306 } 11307 11308 @Override 11309 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11310 int userId) { 11311 if (!sUserManager.exists(userId)) { 11312 return null; 11313 } 11314 return info.getEphemeralResolveInfo(); 11315 } 11316 } 11317 11318 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11319 new Comparator<ResolveInfo>() { 11320 public int compare(ResolveInfo r1, ResolveInfo r2) { 11321 int v1 = r1.priority; 11322 int v2 = r2.priority; 11323 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11324 if (v1 != v2) { 11325 return (v1 > v2) ? -1 : 1; 11326 } 11327 v1 = r1.preferredOrder; 11328 v2 = r2.preferredOrder; 11329 if (v1 != v2) { 11330 return (v1 > v2) ? -1 : 1; 11331 } 11332 if (r1.isDefault != r2.isDefault) { 11333 return r1.isDefault ? -1 : 1; 11334 } 11335 v1 = r1.match; 11336 v2 = r2.match; 11337 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11338 if (v1 != v2) { 11339 return (v1 > v2) ? -1 : 1; 11340 } 11341 if (r1.system != r2.system) { 11342 return r1.system ? -1 : 1; 11343 } 11344 if (r1.activityInfo != null) { 11345 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11346 } 11347 if (r1.serviceInfo != null) { 11348 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11349 } 11350 if (r1.providerInfo != null) { 11351 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11352 } 11353 return 0; 11354 } 11355 }; 11356 11357 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11358 new Comparator<ProviderInfo>() { 11359 public int compare(ProviderInfo p1, ProviderInfo p2) { 11360 final int v1 = p1.initOrder; 11361 final int v2 = p2.initOrder; 11362 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11363 } 11364 }; 11365 11366 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11367 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11368 final int[] userIds) { 11369 mHandler.post(new Runnable() { 11370 @Override 11371 public void run() { 11372 try { 11373 final IActivityManager am = ActivityManagerNative.getDefault(); 11374 if (am == null) return; 11375 final int[] resolvedUserIds; 11376 if (userIds == null) { 11377 resolvedUserIds = am.getRunningUserIds(); 11378 } else { 11379 resolvedUserIds = userIds; 11380 } 11381 for (int id : resolvedUserIds) { 11382 final Intent intent = new Intent(action, 11383 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11384 if (extras != null) { 11385 intent.putExtras(extras); 11386 } 11387 if (targetPkg != null) { 11388 intent.setPackage(targetPkg); 11389 } 11390 // Modify the UID when posting to other users 11391 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11392 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11393 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11394 intent.putExtra(Intent.EXTRA_UID, uid); 11395 } 11396 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11397 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11398 if (DEBUG_BROADCASTS) { 11399 RuntimeException here = new RuntimeException("here"); 11400 here.fillInStackTrace(); 11401 Slog.d(TAG, "Sending to user " + id + ": " 11402 + intent.toShortString(false, true, false, false) 11403 + " " + intent.getExtras(), here); 11404 } 11405 am.broadcastIntent(null, intent, null, finishedReceiver, 11406 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11407 null, finishedReceiver != null, false, id); 11408 } 11409 } catch (RemoteException ex) { 11410 } 11411 } 11412 }); 11413 } 11414 11415 /** 11416 * Check if the external storage media is available. This is true if there 11417 * is a mounted external storage medium or if the external storage is 11418 * emulated. 11419 */ 11420 private boolean isExternalMediaAvailable() { 11421 return mMediaMounted || Environment.isExternalStorageEmulated(); 11422 } 11423 11424 @Override 11425 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11426 // writer 11427 synchronized (mPackages) { 11428 if (!isExternalMediaAvailable()) { 11429 // If the external storage is no longer mounted at this point, 11430 // the caller may not have been able to delete all of this 11431 // packages files and can not delete any more. Bail. 11432 return null; 11433 } 11434 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11435 if (lastPackage != null) { 11436 pkgs.remove(lastPackage); 11437 } 11438 if (pkgs.size() > 0) { 11439 return pkgs.get(0); 11440 } 11441 } 11442 return null; 11443 } 11444 11445 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11446 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11447 userId, andCode ? 1 : 0, packageName); 11448 if (mSystemReady) { 11449 msg.sendToTarget(); 11450 } else { 11451 if (mPostSystemReadyMessages == null) { 11452 mPostSystemReadyMessages = new ArrayList<>(); 11453 } 11454 mPostSystemReadyMessages.add(msg); 11455 } 11456 } 11457 11458 void startCleaningPackages() { 11459 // reader 11460 if (!isExternalMediaAvailable()) { 11461 return; 11462 } 11463 synchronized (mPackages) { 11464 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11465 return; 11466 } 11467 } 11468 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11469 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11470 IActivityManager am = ActivityManagerNative.getDefault(); 11471 if (am != null) { 11472 try { 11473 am.startService(null, intent, null, mContext.getOpPackageName(), 11474 UserHandle.USER_SYSTEM); 11475 } catch (RemoteException e) { 11476 } 11477 } 11478 } 11479 11480 @Override 11481 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11482 int installFlags, String installerPackageName, int userId) { 11483 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11484 11485 final int callingUid = Binder.getCallingUid(); 11486 enforceCrossUserPermission(callingUid, userId, 11487 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11488 11489 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11490 try { 11491 if (observer != null) { 11492 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11493 } 11494 } catch (RemoteException re) { 11495 } 11496 return; 11497 } 11498 11499 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11500 installFlags |= PackageManager.INSTALL_FROM_ADB; 11501 11502 } else { 11503 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11504 // about installerPackageName. 11505 11506 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11507 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11508 } 11509 11510 UserHandle user; 11511 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11512 user = UserHandle.ALL; 11513 } else { 11514 user = new UserHandle(userId); 11515 } 11516 11517 // Only system components can circumvent runtime permissions when installing. 11518 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11519 && mContext.checkCallingOrSelfPermission(Manifest.permission 11520 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11521 throw new SecurityException("You need the " 11522 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11523 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11524 } 11525 11526 final File originFile = new File(originPath); 11527 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11528 11529 final Message msg = mHandler.obtainMessage(INIT_COPY); 11530 final VerificationInfo verificationInfo = new VerificationInfo( 11531 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11532 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11533 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11534 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11535 null /*certificates*/); 11536 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11537 msg.obj = params; 11538 11539 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11540 System.identityHashCode(msg.obj)); 11541 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11542 System.identityHashCode(msg.obj)); 11543 11544 mHandler.sendMessage(msg); 11545 } 11546 11547 void installStage(String packageName, File stagedDir, String stagedCid, 11548 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11549 String installerPackageName, int installerUid, UserHandle user, 11550 Certificate[][] certificates) { 11551 if (DEBUG_EPHEMERAL) { 11552 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11553 Slog.d(TAG, "Ephemeral install of " + packageName); 11554 } 11555 } 11556 final VerificationInfo verificationInfo = new VerificationInfo( 11557 sessionParams.originatingUri, sessionParams.referrerUri, 11558 sessionParams.originatingUid, installerUid); 11559 11560 final OriginInfo origin; 11561 if (stagedDir != null) { 11562 origin = OriginInfo.fromStagedFile(stagedDir); 11563 } else { 11564 origin = OriginInfo.fromStagedContainer(stagedCid); 11565 } 11566 11567 final Message msg = mHandler.obtainMessage(INIT_COPY); 11568 final InstallParams params = new InstallParams(origin, null, observer, 11569 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11570 verificationInfo, user, sessionParams.abiOverride, 11571 sessionParams.grantedRuntimePermissions, certificates); 11572 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11573 msg.obj = params; 11574 11575 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11576 System.identityHashCode(msg.obj)); 11577 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11578 System.identityHashCode(msg.obj)); 11579 11580 mHandler.sendMessage(msg); 11581 } 11582 11583 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11584 int userId) { 11585 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11586 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11587 } 11588 11589 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11590 int appId, int userId) { 11591 Bundle extras = new Bundle(1); 11592 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11593 11594 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11595 packageName, extras, 0, null, null, new int[] {userId}); 11596 try { 11597 IActivityManager am = ActivityManagerNative.getDefault(); 11598 if (isSystem && am.isUserRunning(userId, 0)) { 11599 // The just-installed/enabled app is bundled on the system, so presumed 11600 // to be able to run automatically without needing an explicit launch. 11601 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11602 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11603 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11604 .setPackage(packageName); 11605 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11606 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11607 } 11608 } catch (RemoteException e) { 11609 // shouldn't happen 11610 Slog.w(TAG, "Unable to bootstrap installed package", e); 11611 } 11612 } 11613 11614 @Override 11615 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11616 int userId) { 11617 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11618 PackageSetting pkgSetting; 11619 final int uid = Binder.getCallingUid(); 11620 enforceCrossUserPermission(uid, userId, 11621 true /* requireFullPermission */, true /* checkShell */, 11622 "setApplicationHiddenSetting for user " + userId); 11623 11624 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11625 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11626 return false; 11627 } 11628 11629 long callingId = Binder.clearCallingIdentity(); 11630 try { 11631 boolean sendAdded = false; 11632 boolean sendRemoved = false; 11633 // writer 11634 synchronized (mPackages) { 11635 pkgSetting = mSettings.mPackages.get(packageName); 11636 if (pkgSetting == null) { 11637 return false; 11638 } 11639 if (pkgSetting.getHidden(userId) != hidden) { 11640 pkgSetting.setHidden(hidden, userId); 11641 mSettings.writePackageRestrictionsLPr(userId); 11642 if (hidden) { 11643 sendRemoved = true; 11644 } else { 11645 sendAdded = true; 11646 } 11647 } 11648 } 11649 if (sendAdded) { 11650 sendPackageAddedForUser(packageName, pkgSetting, userId); 11651 return true; 11652 } 11653 if (sendRemoved) { 11654 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11655 "hiding pkg"); 11656 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11657 return true; 11658 } 11659 } finally { 11660 Binder.restoreCallingIdentity(callingId); 11661 } 11662 return false; 11663 } 11664 11665 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11666 int userId) { 11667 final PackageRemovedInfo info = new PackageRemovedInfo(); 11668 info.removedPackage = packageName; 11669 info.removedUsers = new int[] {userId}; 11670 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11671 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11672 } 11673 11674 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11675 if (pkgList.length > 0) { 11676 Bundle extras = new Bundle(1); 11677 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11678 11679 sendPackageBroadcast( 11680 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11681 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11682 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11683 new int[] {userId}); 11684 } 11685 } 11686 11687 /** 11688 * Returns true if application is not found or there was an error. Otherwise it returns 11689 * the hidden state of the package for the given user. 11690 */ 11691 @Override 11692 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11693 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11694 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11695 true /* requireFullPermission */, false /* checkShell */, 11696 "getApplicationHidden for user " + userId); 11697 PackageSetting pkgSetting; 11698 long callingId = Binder.clearCallingIdentity(); 11699 try { 11700 // writer 11701 synchronized (mPackages) { 11702 pkgSetting = mSettings.mPackages.get(packageName); 11703 if (pkgSetting == null) { 11704 return true; 11705 } 11706 return pkgSetting.getHidden(userId); 11707 } 11708 } finally { 11709 Binder.restoreCallingIdentity(callingId); 11710 } 11711 } 11712 11713 /** 11714 * @hide 11715 */ 11716 @Override 11717 public int installExistingPackageAsUser(String packageName, int userId) { 11718 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11719 null); 11720 PackageSetting pkgSetting; 11721 final int uid = Binder.getCallingUid(); 11722 enforceCrossUserPermission(uid, userId, 11723 true /* requireFullPermission */, true /* checkShell */, 11724 "installExistingPackage for user " + userId); 11725 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11726 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11727 } 11728 11729 long callingId = Binder.clearCallingIdentity(); 11730 try { 11731 boolean installed = false; 11732 11733 // writer 11734 synchronized (mPackages) { 11735 pkgSetting = mSettings.mPackages.get(packageName); 11736 if (pkgSetting == null) { 11737 return PackageManager.INSTALL_FAILED_INVALID_URI; 11738 } 11739 if (!pkgSetting.getInstalled(userId)) { 11740 pkgSetting.setInstalled(true, userId); 11741 pkgSetting.setHidden(false, userId); 11742 mSettings.writePackageRestrictionsLPr(userId); 11743 installed = true; 11744 } 11745 } 11746 11747 if (installed) { 11748 if (pkgSetting.pkg != null) { 11749 synchronized (mInstallLock) { 11750 // We don't need to freeze for a brand new install 11751 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11752 } 11753 } 11754 sendPackageAddedForUser(packageName, pkgSetting, userId); 11755 } 11756 } finally { 11757 Binder.restoreCallingIdentity(callingId); 11758 } 11759 11760 return PackageManager.INSTALL_SUCCEEDED; 11761 } 11762 11763 boolean isUserRestricted(int userId, String restrictionKey) { 11764 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11765 if (restrictions.getBoolean(restrictionKey, false)) { 11766 Log.w(TAG, "User is restricted: " + restrictionKey); 11767 return true; 11768 } 11769 return false; 11770 } 11771 11772 @Override 11773 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11774 int userId) { 11775 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11776 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11777 true /* requireFullPermission */, true /* checkShell */, 11778 "setPackagesSuspended for user " + userId); 11779 11780 if (ArrayUtils.isEmpty(packageNames)) { 11781 return packageNames; 11782 } 11783 11784 // List of package names for whom the suspended state has changed. 11785 List<String> changedPackages = new ArrayList<>(packageNames.length); 11786 // List of package names for whom the suspended state is not set as requested in this 11787 // method. 11788 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11789 long callingId = Binder.clearCallingIdentity(); 11790 try { 11791 for (int i = 0; i < packageNames.length; i++) { 11792 String packageName = packageNames[i]; 11793 boolean changed = false; 11794 final int appId; 11795 synchronized (mPackages) { 11796 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11797 if (pkgSetting == null) { 11798 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11799 + "\". Skipping suspending/un-suspending."); 11800 unactionedPackages.add(packageName); 11801 continue; 11802 } 11803 appId = pkgSetting.appId; 11804 if (pkgSetting.getSuspended(userId) != suspended) { 11805 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11806 unactionedPackages.add(packageName); 11807 continue; 11808 } 11809 pkgSetting.setSuspended(suspended, userId); 11810 mSettings.writePackageRestrictionsLPr(userId); 11811 changed = true; 11812 changedPackages.add(packageName); 11813 } 11814 } 11815 11816 if (changed && suspended) { 11817 killApplication(packageName, UserHandle.getUid(userId, appId), 11818 "suspending package"); 11819 } 11820 } 11821 } finally { 11822 Binder.restoreCallingIdentity(callingId); 11823 } 11824 11825 if (!changedPackages.isEmpty()) { 11826 sendPackagesSuspendedForUser(changedPackages.toArray( 11827 new String[changedPackages.size()]), userId, suspended); 11828 } 11829 11830 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11831 } 11832 11833 @Override 11834 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11835 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11836 true /* requireFullPermission */, false /* checkShell */, 11837 "isPackageSuspendedForUser for user " + userId); 11838 synchronized (mPackages) { 11839 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11840 if (pkgSetting == null) { 11841 throw new IllegalArgumentException("Unknown target package: " + packageName); 11842 } 11843 return pkgSetting.getSuspended(userId); 11844 } 11845 } 11846 11847 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11848 if (isPackageDeviceAdmin(packageName, userId)) { 11849 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11850 + "\": has an active device admin"); 11851 return false; 11852 } 11853 11854 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11855 if (packageName.equals(activeLauncherPackageName)) { 11856 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11857 + "\": contains the active launcher"); 11858 return false; 11859 } 11860 11861 if (packageName.equals(mRequiredInstallerPackage)) { 11862 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11863 + "\": required for package installation"); 11864 return false; 11865 } 11866 11867 if (packageName.equals(mRequiredVerifierPackage)) { 11868 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11869 + "\": required for package verification"); 11870 return false; 11871 } 11872 11873 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11874 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11875 + "\": is the default dialer"); 11876 return false; 11877 } 11878 11879 return true; 11880 } 11881 11882 private String getActiveLauncherPackageName(int userId) { 11883 Intent intent = new Intent(Intent.ACTION_MAIN); 11884 intent.addCategory(Intent.CATEGORY_HOME); 11885 ResolveInfo resolveInfo = resolveIntent( 11886 intent, 11887 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11888 PackageManager.MATCH_DEFAULT_ONLY, 11889 userId); 11890 11891 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11892 } 11893 11894 private String getDefaultDialerPackageName(int userId) { 11895 synchronized (mPackages) { 11896 return mSettings.getDefaultDialerPackageNameLPw(userId); 11897 } 11898 } 11899 11900 @Override 11901 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11902 mContext.enforceCallingOrSelfPermission( 11903 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11904 "Only package verification agents can verify applications"); 11905 11906 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11907 final PackageVerificationResponse response = new PackageVerificationResponse( 11908 verificationCode, Binder.getCallingUid()); 11909 msg.arg1 = id; 11910 msg.obj = response; 11911 mHandler.sendMessage(msg); 11912 } 11913 11914 @Override 11915 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11916 long millisecondsToDelay) { 11917 mContext.enforceCallingOrSelfPermission( 11918 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11919 "Only package verification agents can extend verification timeouts"); 11920 11921 final PackageVerificationState state = mPendingVerification.get(id); 11922 final PackageVerificationResponse response = new PackageVerificationResponse( 11923 verificationCodeAtTimeout, Binder.getCallingUid()); 11924 11925 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11926 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11927 } 11928 if (millisecondsToDelay < 0) { 11929 millisecondsToDelay = 0; 11930 } 11931 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11932 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11933 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11934 } 11935 11936 if ((state != null) && !state.timeoutExtended()) { 11937 state.extendTimeout(); 11938 11939 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11940 msg.arg1 = id; 11941 msg.obj = response; 11942 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11943 } 11944 } 11945 11946 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11947 int verificationCode, UserHandle user) { 11948 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11949 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11950 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11951 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11952 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11953 11954 mContext.sendBroadcastAsUser(intent, user, 11955 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11956 } 11957 11958 private ComponentName matchComponentForVerifier(String packageName, 11959 List<ResolveInfo> receivers) { 11960 ActivityInfo targetReceiver = null; 11961 11962 final int NR = receivers.size(); 11963 for (int i = 0; i < NR; i++) { 11964 final ResolveInfo info = receivers.get(i); 11965 if (info.activityInfo == null) { 11966 continue; 11967 } 11968 11969 if (packageName.equals(info.activityInfo.packageName)) { 11970 targetReceiver = info.activityInfo; 11971 break; 11972 } 11973 } 11974 11975 if (targetReceiver == null) { 11976 return null; 11977 } 11978 11979 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11980 } 11981 11982 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11983 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11984 if (pkgInfo.verifiers.length == 0) { 11985 return null; 11986 } 11987 11988 final int N = pkgInfo.verifiers.length; 11989 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11990 for (int i = 0; i < N; i++) { 11991 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11992 11993 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11994 receivers); 11995 if (comp == null) { 11996 continue; 11997 } 11998 11999 final int verifierUid = getUidForVerifier(verifierInfo); 12000 if (verifierUid == -1) { 12001 continue; 12002 } 12003 12004 if (DEBUG_VERIFY) { 12005 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12006 + " with the correct signature"); 12007 } 12008 sufficientVerifiers.add(comp); 12009 verificationState.addSufficientVerifier(verifierUid); 12010 } 12011 12012 return sufficientVerifiers; 12013 } 12014 12015 private int getUidForVerifier(VerifierInfo verifierInfo) { 12016 synchronized (mPackages) { 12017 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12018 if (pkg == null) { 12019 return -1; 12020 } else if (pkg.mSignatures.length != 1) { 12021 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12022 + " has more than one signature; ignoring"); 12023 return -1; 12024 } 12025 12026 /* 12027 * If the public key of the package's signature does not match 12028 * our expected public key, then this is a different package and 12029 * we should skip. 12030 */ 12031 12032 final byte[] expectedPublicKey; 12033 try { 12034 final Signature verifierSig = pkg.mSignatures[0]; 12035 final PublicKey publicKey = verifierSig.getPublicKey(); 12036 expectedPublicKey = publicKey.getEncoded(); 12037 } catch (CertificateException e) { 12038 return -1; 12039 } 12040 12041 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12042 12043 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12044 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12045 + " does not have the expected public key; ignoring"); 12046 return -1; 12047 } 12048 12049 return pkg.applicationInfo.uid; 12050 } 12051 } 12052 12053 @Override 12054 public void finishPackageInstall(int token, boolean didLaunch) { 12055 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12056 12057 if (DEBUG_INSTALL) { 12058 Slog.v(TAG, "BM finishing package install for " + token); 12059 } 12060 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12061 12062 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12063 mHandler.sendMessage(msg); 12064 } 12065 12066 /** 12067 * Get the verification agent timeout. 12068 * 12069 * @return verification timeout in milliseconds 12070 */ 12071 private long getVerificationTimeout() { 12072 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12073 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12074 DEFAULT_VERIFICATION_TIMEOUT); 12075 } 12076 12077 /** 12078 * Get the default verification agent response code. 12079 * 12080 * @return default verification response code 12081 */ 12082 private int getDefaultVerificationResponse() { 12083 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12084 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12085 DEFAULT_VERIFICATION_RESPONSE); 12086 } 12087 12088 /** 12089 * Check whether or not package verification has been enabled. 12090 * 12091 * @return true if verification should be performed 12092 */ 12093 private boolean isVerificationEnabled(int userId, int installFlags) { 12094 if (!DEFAULT_VERIFY_ENABLE) { 12095 return false; 12096 } 12097 // Ephemeral apps don't get the full verification treatment 12098 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12099 if (DEBUG_EPHEMERAL) { 12100 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12101 } 12102 return false; 12103 } 12104 12105 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12106 12107 // Check if installing from ADB 12108 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12109 // Do not run verification in a test harness environment 12110 if (ActivityManager.isRunningInTestHarness()) { 12111 return false; 12112 } 12113 if (ensureVerifyAppsEnabled) { 12114 return true; 12115 } 12116 // Check if the developer does not want package verification for ADB installs 12117 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12118 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12119 return false; 12120 } 12121 } 12122 12123 if (ensureVerifyAppsEnabled) { 12124 return true; 12125 } 12126 12127 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12128 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12129 } 12130 12131 @Override 12132 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12133 throws RemoteException { 12134 mContext.enforceCallingOrSelfPermission( 12135 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12136 "Only intentfilter verification agents can verify applications"); 12137 12138 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12139 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12140 Binder.getCallingUid(), verificationCode, failedDomains); 12141 msg.arg1 = id; 12142 msg.obj = response; 12143 mHandler.sendMessage(msg); 12144 } 12145 12146 @Override 12147 public int getIntentVerificationStatus(String packageName, int userId) { 12148 synchronized (mPackages) { 12149 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12150 } 12151 } 12152 12153 @Override 12154 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12155 mContext.enforceCallingOrSelfPermission( 12156 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12157 12158 boolean result = false; 12159 synchronized (mPackages) { 12160 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12161 } 12162 if (result) { 12163 scheduleWritePackageRestrictionsLocked(userId); 12164 } 12165 return result; 12166 } 12167 12168 @Override 12169 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12170 String packageName) { 12171 synchronized (mPackages) { 12172 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12173 } 12174 } 12175 12176 @Override 12177 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12178 if (TextUtils.isEmpty(packageName)) { 12179 return ParceledListSlice.emptyList(); 12180 } 12181 synchronized (mPackages) { 12182 PackageParser.Package pkg = mPackages.get(packageName); 12183 if (pkg == null || pkg.activities == null) { 12184 return ParceledListSlice.emptyList(); 12185 } 12186 final int count = pkg.activities.size(); 12187 ArrayList<IntentFilter> result = new ArrayList<>(); 12188 for (int n=0; n<count; n++) { 12189 PackageParser.Activity activity = pkg.activities.get(n); 12190 if (activity.intents != null && activity.intents.size() > 0) { 12191 result.addAll(activity.intents); 12192 } 12193 } 12194 return new ParceledListSlice<>(result); 12195 } 12196 } 12197 12198 @Override 12199 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12200 mContext.enforceCallingOrSelfPermission( 12201 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12202 12203 synchronized (mPackages) { 12204 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12205 if (packageName != null) { 12206 result |= updateIntentVerificationStatus(packageName, 12207 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12208 userId); 12209 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12210 packageName, userId); 12211 } 12212 return result; 12213 } 12214 } 12215 12216 @Override 12217 public String getDefaultBrowserPackageName(int userId) { 12218 synchronized (mPackages) { 12219 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12220 } 12221 } 12222 12223 /** 12224 * Get the "allow unknown sources" setting. 12225 * 12226 * @return the current "allow unknown sources" setting 12227 */ 12228 private int getUnknownSourcesSettings() { 12229 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12230 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12231 -1); 12232 } 12233 12234 @Override 12235 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12236 final int uid = Binder.getCallingUid(); 12237 // writer 12238 synchronized (mPackages) { 12239 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12240 if (targetPackageSetting == null) { 12241 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12242 } 12243 12244 PackageSetting installerPackageSetting; 12245 if (installerPackageName != null) { 12246 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12247 if (installerPackageSetting == null) { 12248 throw new IllegalArgumentException("Unknown installer package: " 12249 + installerPackageName); 12250 } 12251 } else { 12252 installerPackageSetting = null; 12253 } 12254 12255 Signature[] callerSignature; 12256 Object obj = mSettings.getUserIdLPr(uid); 12257 if (obj != null) { 12258 if (obj instanceof SharedUserSetting) { 12259 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12260 } else if (obj instanceof PackageSetting) { 12261 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12262 } else { 12263 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12264 } 12265 } else { 12266 throw new SecurityException("Unknown calling UID: " + uid); 12267 } 12268 12269 // Verify: can't set installerPackageName to a package that is 12270 // not signed with the same cert as the caller. 12271 if (installerPackageSetting != null) { 12272 if (compareSignatures(callerSignature, 12273 installerPackageSetting.signatures.mSignatures) 12274 != PackageManager.SIGNATURE_MATCH) { 12275 throw new SecurityException( 12276 "Caller does not have same cert as new installer package " 12277 + installerPackageName); 12278 } 12279 } 12280 12281 // Verify: if target already has an installer package, it must 12282 // be signed with the same cert as the caller. 12283 if (targetPackageSetting.installerPackageName != null) { 12284 PackageSetting setting = mSettings.mPackages.get( 12285 targetPackageSetting.installerPackageName); 12286 // If the currently set package isn't valid, then it's always 12287 // okay to change it. 12288 if (setting != null) { 12289 if (compareSignatures(callerSignature, 12290 setting.signatures.mSignatures) 12291 != PackageManager.SIGNATURE_MATCH) { 12292 throw new SecurityException( 12293 "Caller does not have same cert as old installer package " 12294 + targetPackageSetting.installerPackageName); 12295 } 12296 } 12297 } 12298 12299 // Okay! 12300 targetPackageSetting.installerPackageName = installerPackageName; 12301 if (installerPackageName != null) { 12302 mSettings.mInstallerPackages.add(installerPackageName); 12303 } 12304 scheduleWriteSettingsLocked(); 12305 } 12306 } 12307 12308 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12309 // Queue up an async operation since the package installation may take a little while. 12310 mHandler.post(new Runnable() { 12311 public void run() { 12312 mHandler.removeCallbacks(this); 12313 // Result object to be returned 12314 PackageInstalledInfo res = new PackageInstalledInfo(); 12315 res.setReturnCode(currentStatus); 12316 res.uid = -1; 12317 res.pkg = null; 12318 res.removedInfo = null; 12319 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12320 args.doPreInstall(res.returnCode); 12321 synchronized (mInstallLock) { 12322 installPackageTracedLI(args, res); 12323 } 12324 args.doPostInstall(res.returnCode, res.uid); 12325 } 12326 12327 // A restore should be performed at this point if (a) the install 12328 // succeeded, (b) the operation is not an update, and (c) the new 12329 // package has not opted out of backup participation. 12330 final boolean update = res.removedInfo != null 12331 && res.removedInfo.removedPackage != null; 12332 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12333 boolean doRestore = !update 12334 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12335 12336 // Set up the post-install work request bookkeeping. This will be used 12337 // and cleaned up by the post-install event handling regardless of whether 12338 // there's a restore pass performed. Token values are >= 1. 12339 int token; 12340 if (mNextInstallToken < 0) mNextInstallToken = 1; 12341 token = mNextInstallToken++; 12342 12343 PostInstallData data = new PostInstallData(args, res); 12344 mRunningInstalls.put(token, data); 12345 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12346 12347 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12348 // Pass responsibility to the Backup Manager. It will perform a 12349 // restore if appropriate, then pass responsibility back to the 12350 // Package Manager to run the post-install observer callbacks 12351 // and broadcasts. 12352 IBackupManager bm = IBackupManager.Stub.asInterface( 12353 ServiceManager.getService(Context.BACKUP_SERVICE)); 12354 if (bm != null) { 12355 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12356 + " to BM for possible restore"); 12357 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12358 try { 12359 // TODO: http://b/22388012 12360 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12361 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12362 } else { 12363 doRestore = false; 12364 } 12365 } catch (RemoteException e) { 12366 // can't happen; the backup manager is local 12367 } catch (Exception e) { 12368 Slog.e(TAG, "Exception trying to enqueue restore", e); 12369 doRestore = false; 12370 } 12371 } else { 12372 Slog.e(TAG, "Backup Manager not found!"); 12373 doRestore = false; 12374 } 12375 } 12376 12377 if (!doRestore) { 12378 // No restore possible, or the Backup Manager was mysteriously not 12379 // available -- just fire the post-install work request directly. 12380 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12381 12382 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12383 12384 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12385 mHandler.sendMessage(msg); 12386 } 12387 } 12388 }); 12389 } 12390 12391 /** 12392 * Callback from PackageSettings whenever an app is first transitioned out of the 12393 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12394 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12395 * here whether the app is the target of an ongoing install, and only send the 12396 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12397 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12398 * handling. 12399 */ 12400 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12401 // Serialize this with the rest of the install-process message chain. In the 12402 // restore-at-install case, this Runnable will necessarily run before the 12403 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12404 // are coherent. In the non-restore case, the app has already completed install 12405 // and been launched through some other means, so it is not in a problematic 12406 // state for observers to see the FIRST_LAUNCH signal. 12407 mHandler.post(new Runnable() { 12408 @Override 12409 public void run() { 12410 for (int i = 0; i < mRunningInstalls.size(); i++) { 12411 final PostInstallData data = mRunningInstalls.valueAt(i); 12412 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12413 // right package; but is it for the right user? 12414 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12415 if (userId == data.res.newUsers[uIndex]) { 12416 if (DEBUG_BACKUP) { 12417 Slog.i(TAG, "Package " + pkgName 12418 + " being restored so deferring FIRST_LAUNCH"); 12419 } 12420 return; 12421 } 12422 } 12423 } 12424 } 12425 // didn't find it, so not being restored 12426 if (DEBUG_BACKUP) { 12427 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12428 } 12429 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12430 } 12431 }); 12432 } 12433 12434 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12435 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12436 installerPkg, null, userIds); 12437 } 12438 12439 private abstract class HandlerParams { 12440 private static final int MAX_RETRIES = 4; 12441 12442 /** 12443 * Number of times startCopy() has been attempted and had a non-fatal 12444 * error. 12445 */ 12446 private int mRetries = 0; 12447 12448 /** User handle for the user requesting the information or installation. */ 12449 private final UserHandle mUser; 12450 String traceMethod; 12451 int traceCookie; 12452 12453 HandlerParams(UserHandle user) { 12454 mUser = user; 12455 } 12456 12457 UserHandle getUser() { 12458 return mUser; 12459 } 12460 12461 HandlerParams setTraceMethod(String traceMethod) { 12462 this.traceMethod = traceMethod; 12463 return this; 12464 } 12465 12466 HandlerParams setTraceCookie(int traceCookie) { 12467 this.traceCookie = traceCookie; 12468 return this; 12469 } 12470 12471 final boolean startCopy() { 12472 boolean res; 12473 try { 12474 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12475 12476 if (++mRetries > MAX_RETRIES) { 12477 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12478 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12479 handleServiceError(); 12480 return false; 12481 } else { 12482 handleStartCopy(); 12483 res = true; 12484 } 12485 } catch (RemoteException e) { 12486 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12487 mHandler.sendEmptyMessage(MCS_RECONNECT); 12488 res = false; 12489 } 12490 handleReturnCode(); 12491 return res; 12492 } 12493 12494 final void serviceError() { 12495 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12496 handleServiceError(); 12497 handleReturnCode(); 12498 } 12499 12500 abstract void handleStartCopy() throws RemoteException; 12501 abstract void handleServiceError(); 12502 abstract void handleReturnCode(); 12503 } 12504 12505 class MeasureParams extends HandlerParams { 12506 private final PackageStats mStats; 12507 private boolean mSuccess; 12508 12509 private final IPackageStatsObserver mObserver; 12510 12511 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12512 super(new UserHandle(stats.userHandle)); 12513 mObserver = observer; 12514 mStats = stats; 12515 } 12516 12517 @Override 12518 public String toString() { 12519 return "MeasureParams{" 12520 + Integer.toHexString(System.identityHashCode(this)) 12521 + " " + mStats.packageName + "}"; 12522 } 12523 12524 @Override 12525 void handleStartCopy() throws RemoteException { 12526 synchronized (mInstallLock) { 12527 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12528 } 12529 12530 if (mSuccess) { 12531 final boolean mounted; 12532 if (Environment.isExternalStorageEmulated()) { 12533 mounted = true; 12534 } else { 12535 final String status = Environment.getExternalStorageState(); 12536 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12537 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12538 } 12539 12540 if (mounted) { 12541 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12542 12543 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12544 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12545 12546 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12547 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12548 12549 // Always subtract cache size, since it's a subdirectory 12550 mStats.externalDataSize -= mStats.externalCacheSize; 12551 12552 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12553 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12554 12555 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12556 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12557 } 12558 } 12559 } 12560 12561 @Override 12562 void handleReturnCode() { 12563 if (mObserver != null) { 12564 try { 12565 mObserver.onGetStatsCompleted(mStats, mSuccess); 12566 } catch (RemoteException e) { 12567 Slog.i(TAG, "Observer no longer exists."); 12568 } 12569 } 12570 } 12571 12572 @Override 12573 void handleServiceError() { 12574 Slog.e(TAG, "Could not measure application " + mStats.packageName 12575 + " external storage"); 12576 } 12577 } 12578 12579 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12580 throws RemoteException { 12581 long result = 0; 12582 for (File path : paths) { 12583 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12584 } 12585 return result; 12586 } 12587 12588 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12589 for (File path : paths) { 12590 try { 12591 mcs.clearDirectory(path.getAbsolutePath()); 12592 } catch (RemoteException e) { 12593 } 12594 } 12595 } 12596 12597 static class OriginInfo { 12598 /** 12599 * Location where install is coming from, before it has been 12600 * copied/renamed into place. This could be a single monolithic APK 12601 * file, or a cluster directory. This location may be untrusted. 12602 */ 12603 final File file; 12604 final String cid; 12605 12606 /** 12607 * Flag indicating that {@link #file} or {@link #cid} has already been 12608 * staged, meaning downstream users don't need to defensively copy the 12609 * contents. 12610 */ 12611 final boolean staged; 12612 12613 /** 12614 * Flag indicating that {@link #file} or {@link #cid} is an already 12615 * installed app that is being moved. 12616 */ 12617 final boolean existing; 12618 12619 final String resolvedPath; 12620 final File resolvedFile; 12621 12622 static OriginInfo fromNothing() { 12623 return new OriginInfo(null, null, false, false); 12624 } 12625 12626 static OriginInfo fromUntrustedFile(File file) { 12627 return new OriginInfo(file, null, false, false); 12628 } 12629 12630 static OriginInfo fromExistingFile(File file) { 12631 return new OriginInfo(file, null, false, true); 12632 } 12633 12634 static OriginInfo fromStagedFile(File file) { 12635 return new OriginInfo(file, null, true, false); 12636 } 12637 12638 static OriginInfo fromStagedContainer(String cid) { 12639 return new OriginInfo(null, cid, true, false); 12640 } 12641 12642 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12643 this.file = file; 12644 this.cid = cid; 12645 this.staged = staged; 12646 this.existing = existing; 12647 12648 if (cid != null) { 12649 resolvedPath = PackageHelper.getSdDir(cid); 12650 resolvedFile = new File(resolvedPath); 12651 } else if (file != null) { 12652 resolvedPath = file.getAbsolutePath(); 12653 resolvedFile = file; 12654 } else { 12655 resolvedPath = null; 12656 resolvedFile = null; 12657 } 12658 } 12659 } 12660 12661 static class MoveInfo { 12662 final int moveId; 12663 final String fromUuid; 12664 final String toUuid; 12665 final String packageName; 12666 final String dataAppName; 12667 final int appId; 12668 final String seinfo; 12669 final int targetSdkVersion; 12670 12671 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12672 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12673 this.moveId = moveId; 12674 this.fromUuid = fromUuid; 12675 this.toUuid = toUuid; 12676 this.packageName = packageName; 12677 this.dataAppName = dataAppName; 12678 this.appId = appId; 12679 this.seinfo = seinfo; 12680 this.targetSdkVersion = targetSdkVersion; 12681 } 12682 } 12683 12684 static class VerificationInfo { 12685 /** A constant used to indicate that a uid value is not present. */ 12686 public static final int NO_UID = -1; 12687 12688 /** URI referencing where the package was downloaded from. */ 12689 final Uri originatingUri; 12690 12691 /** HTTP referrer URI associated with the originatingURI. */ 12692 final Uri referrer; 12693 12694 /** UID of the application that the install request originated from. */ 12695 final int originatingUid; 12696 12697 /** UID of application requesting the install */ 12698 final int installerUid; 12699 12700 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12701 this.originatingUri = originatingUri; 12702 this.referrer = referrer; 12703 this.originatingUid = originatingUid; 12704 this.installerUid = installerUid; 12705 } 12706 } 12707 12708 class InstallParams extends HandlerParams { 12709 final OriginInfo origin; 12710 final MoveInfo move; 12711 final IPackageInstallObserver2 observer; 12712 int installFlags; 12713 final String installerPackageName; 12714 final String volumeUuid; 12715 private InstallArgs mArgs; 12716 private int mRet; 12717 final String packageAbiOverride; 12718 final String[] grantedRuntimePermissions; 12719 final VerificationInfo verificationInfo; 12720 final Certificate[][] certificates; 12721 12722 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12723 int installFlags, String installerPackageName, String volumeUuid, 12724 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12725 String[] grantedPermissions, Certificate[][] certificates) { 12726 super(user); 12727 this.origin = origin; 12728 this.move = move; 12729 this.observer = observer; 12730 this.installFlags = installFlags; 12731 this.installerPackageName = installerPackageName; 12732 this.volumeUuid = volumeUuid; 12733 this.verificationInfo = verificationInfo; 12734 this.packageAbiOverride = packageAbiOverride; 12735 this.grantedRuntimePermissions = grantedPermissions; 12736 this.certificates = certificates; 12737 } 12738 12739 @Override 12740 public String toString() { 12741 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12742 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12743 } 12744 12745 private int installLocationPolicy(PackageInfoLite pkgLite) { 12746 String packageName = pkgLite.packageName; 12747 int installLocation = pkgLite.installLocation; 12748 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12749 // reader 12750 synchronized (mPackages) { 12751 // Currently installed package which the new package is attempting to replace or 12752 // null if no such package is installed. 12753 PackageParser.Package installedPkg = mPackages.get(packageName); 12754 // Package which currently owns the data which the new package will own if installed. 12755 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12756 // will be null whereas dataOwnerPkg will contain information about the package 12757 // which was uninstalled while keeping its data. 12758 PackageParser.Package dataOwnerPkg = installedPkg; 12759 if (dataOwnerPkg == null) { 12760 PackageSetting ps = mSettings.mPackages.get(packageName); 12761 if (ps != null) { 12762 dataOwnerPkg = ps.pkg; 12763 } 12764 } 12765 12766 if (dataOwnerPkg != null) { 12767 // If installed, the package will get access to data left on the device by its 12768 // predecessor. As a security measure, this is permited only if this is not a 12769 // version downgrade or if the predecessor package is marked as debuggable and 12770 // a downgrade is explicitly requested. 12771 // 12772 // On debuggable platform builds, downgrades are permitted even for 12773 // non-debuggable packages to make testing easier. Debuggable platform builds do 12774 // not offer security guarantees and thus it's OK to disable some security 12775 // mechanisms to make debugging/testing easier on those builds. However, even on 12776 // debuggable builds downgrades of packages are permitted only if requested via 12777 // installFlags. This is because we aim to keep the behavior of debuggable 12778 // platform builds as close as possible to the behavior of non-debuggable 12779 // platform builds. 12780 final boolean downgradeRequested = 12781 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12782 final boolean packageDebuggable = 12783 (dataOwnerPkg.applicationInfo.flags 12784 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12785 final boolean downgradePermitted = 12786 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12787 if (!downgradePermitted) { 12788 try { 12789 checkDowngrade(dataOwnerPkg, pkgLite); 12790 } catch (PackageManagerException e) { 12791 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12792 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12793 } 12794 } 12795 } 12796 12797 if (installedPkg != null) { 12798 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12799 // Check for updated system application. 12800 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12801 if (onSd) { 12802 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12803 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12804 } 12805 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12806 } else { 12807 if (onSd) { 12808 // Install flag overrides everything. 12809 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12810 } 12811 // If current upgrade specifies particular preference 12812 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12813 // Application explicitly specified internal. 12814 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12815 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12816 // App explictly prefers external. Let policy decide 12817 } else { 12818 // Prefer previous location 12819 if (isExternal(installedPkg)) { 12820 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12821 } 12822 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12823 } 12824 } 12825 } else { 12826 // Invalid install. Return error code 12827 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12828 } 12829 } 12830 } 12831 // All the special cases have been taken care of. 12832 // Return result based on recommended install location. 12833 if (onSd) { 12834 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12835 } 12836 return pkgLite.recommendedInstallLocation; 12837 } 12838 12839 /* 12840 * Invoke remote method to get package information and install 12841 * location values. Override install location based on default 12842 * policy if needed and then create install arguments based 12843 * on the install location. 12844 */ 12845 public void handleStartCopy() throws RemoteException { 12846 int ret = PackageManager.INSTALL_SUCCEEDED; 12847 12848 // If we're already staged, we've firmly committed to an install location 12849 if (origin.staged) { 12850 if (origin.file != null) { 12851 installFlags |= PackageManager.INSTALL_INTERNAL; 12852 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12853 } else if (origin.cid != null) { 12854 installFlags |= PackageManager.INSTALL_EXTERNAL; 12855 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12856 } else { 12857 throw new IllegalStateException("Invalid stage location"); 12858 } 12859 } 12860 12861 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12862 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12863 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12864 PackageInfoLite pkgLite = null; 12865 12866 if (onInt && onSd) { 12867 // Check if both bits are set. 12868 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12869 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12870 } else if (onSd && ephemeral) { 12871 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12872 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12873 } else { 12874 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12875 packageAbiOverride); 12876 12877 if (DEBUG_EPHEMERAL && ephemeral) { 12878 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12879 } 12880 12881 /* 12882 * If we have too little free space, try to free cache 12883 * before giving up. 12884 */ 12885 if (!origin.staged && pkgLite.recommendedInstallLocation 12886 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12887 // TODO: focus freeing disk space on the target device 12888 final StorageManager storage = StorageManager.from(mContext); 12889 final long lowThreshold = storage.getStorageLowBytes( 12890 Environment.getDataDirectory()); 12891 12892 final long sizeBytes = mContainerService.calculateInstalledSize( 12893 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12894 12895 try { 12896 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12897 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12898 installFlags, packageAbiOverride); 12899 } catch (InstallerException e) { 12900 Slog.w(TAG, "Failed to free cache", e); 12901 } 12902 12903 /* 12904 * The cache free must have deleted the file we 12905 * downloaded to install. 12906 * 12907 * TODO: fix the "freeCache" call to not delete 12908 * the file we care about. 12909 */ 12910 if (pkgLite.recommendedInstallLocation 12911 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12912 pkgLite.recommendedInstallLocation 12913 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12914 } 12915 } 12916 } 12917 12918 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12919 int loc = pkgLite.recommendedInstallLocation; 12920 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12921 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12922 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12923 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12924 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12925 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12926 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12927 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12928 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12929 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12930 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12931 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12932 } else { 12933 // Override with defaults if needed. 12934 loc = installLocationPolicy(pkgLite); 12935 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12936 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12937 } else if (!onSd && !onInt) { 12938 // Override install location with flags 12939 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12940 // Set the flag to install on external media. 12941 installFlags |= PackageManager.INSTALL_EXTERNAL; 12942 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12943 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12944 if (DEBUG_EPHEMERAL) { 12945 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12946 } 12947 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12948 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12949 |PackageManager.INSTALL_INTERNAL); 12950 } else { 12951 // Make sure the flag for installing on external 12952 // media is unset 12953 installFlags |= PackageManager.INSTALL_INTERNAL; 12954 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12955 } 12956 } 12957 } 12958 } 12959 12960 final InstallArgs args = createInstallArgs(this); 12961 mArgs = args; 12962 12963 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12964 // TODO: http://b/22976637 12965 // Apps installed for "all" users use the device owner to verify the app 12966 UserHandle verifierUser = getUser(); 12967 if (verifierUser == UserHandle.ALL) { 12968 verifierUser = UserHandle.SYSTEM; 12969 } 12970 12971 /* 12972 * Determine if we have any installed package verifiers. If we 12973 * do, then we'll defer to them to verify the packages. 12974 */ 12975 final int requiredUid = mRequiredVerifierPackage == null ? -1 12976 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12977 verifierUser.getIdentifier()); 12978 if (!origin.existing && requiredUid != -1 12979 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12980 final Intent verification = new Intent( 12981 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12982 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12983 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12984 PACKAGE_MIME_TYPE); 12985 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12986 12987 // Query all live verifiers based on current user state 12988 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12989 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12990 12991 if (DEBUG_VERIFY) { 12992 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12993 + verification.toString() + " with " + pkgLite.verifiers.length 12994 + " optional verifiers"); 12995 } 12996 12997 final int verificationId = mPendingVerificationToken++; 12998 12999 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13000 13001 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13002 installerPackageName); 13003 13004 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13005 installFlags); 13006 13007 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13008 pkgLite.packageName); 13009 13010 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13011 pkgLite.versionCode); 13012 13013 if (verificationInfo != null) { 13014 if (verificationInfo.originatingUri != null) { 13015 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13016 verificationInfo.originatingUri); 13017 } 13018 if (verificationInfo.referrer != null) { 13019 verification.putExtra(Intent.EXTRA_REFERRER, 13020 verificationInfo.referrer); 13021 } 13022 if (verificationInfo.originatingUid >= 0) { 13023 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13024 verificationInfo.originatingUid); 13025 } 13026 if (verificationInfo.installerUid >= 0) { 13027 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13028 verificationInfo.installerUid); 13029 } 13030 } 13031 13032 final PackageVerificationState verificationState = new PackageVerificationState( 13033 requiredUid, args); 13034 13035 mPendingVerification.append(verificationId, verificationState); 13036 13037 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13038 receivers, verificationState); 13039 13040 /* 13041 * If any sufficient verifiers were listed in the package 13042 * manifest, attempt to ask them. 13043 */ 13044 if (sufficientVerifiers != null) { 13045 final int N = sufficientVerifiers.size(); 13046 if (N == 0) { 13047 Slog.i(TAG, "Additional verifiers required, but none installed."); 13048 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13049 } else { 13050 for (int i = 0; i < N; i++) { 13051 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13052 13053 final Intent sufficientIntent = new Intent(verification); 13054 sufficientIntent.setComponent(verifierComponent); 13055 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13056 } 13057 } 13058 } 13059 13060 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13061 mRequiredVerifierPackage, receivers); 13062 if (ret == PackageManager.INSTALL_SUCCEEDED 13063 && mRequiredVerifierPackage != null) { 13064 Trace.asyncTraceBegin( 13065 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13066 /* 13067 * Send the intent to the required verification agent, 13068 * but only start the verification timeout after the 13069 * target BroadcastReceivers have run. 13070 */ 13071 verification.setComponent(requiredVerifierComponent); 13072 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13073 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13074 new BroadcastReceiver() { 13075 @Override 13076 public void onReceive(Context context, Intent intent) { 13077 final Message msg = mHandler 13078 .obtainMessage(CHECK_PENDING_VERIFICATION); 13079 msg.arg1 = verificationId; 13080 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13081 } 13082 }, null, 0, null, null); 13083 13084 /* 13085 * We don't want the copy to proceed until verification 13086 * succeeds, so null out this field. 13087 */ 13088 mArgs = null; 13089 } 13090 } else { 13091 /* 13092 * No package verification is enabled, so immediately start 13093 * the remote call to initiate copy using temporary file. 13094 */ 13095 ret = args.copyApk(mContainerService, true); 13096 } 13097 } 13098 13099 mRet = ret; 13100 } 13101 13102 @Override 13103 void handleReturnCode() { 13104 // If mArgs is null, then MCS couldn't be reached. When it 13105 // reconnects, it will try again to install. At that point, this 13106 // will succeed. 13107 if (mArgs != null) { 13108 processPendingInstall(mArgs, mRet); 13109 } 13110 } 13111 13112 @Override 13113 void handleServiceError() { 13114 mArgs = createInstallArgs(this); 13115 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13116 } 13117 13118 public boolean isForwardLocked() { 13119 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13120 } 13121 } 13122 13123 /** 13124 * Used during creation of InstallArgs 13125 * 13126 * @param installFlags package installation flags 13127 * @return true if should be installed on external storage 13128 */ 13129 private static boolean installOnExternalAsec(int installFlags) { 13130 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13131 return false; 13132 } 13133 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13134 return true; 13135 } 13136 return false; 13137 } 13138 13139 /** 13140 * Used during creation of InstallArgs 13141 * 13142 * @param installFlags package installation flags 13143 * @return true if should be installed as forward locked 13144 */ 13145 private static boolean installForwardLocked(int installFlags) { 13146 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13147 } 13148 13149 private InstallArgs createInstallArgs(InstallParams params) { 13150 if (params.move != null) { 13151 return new MoveInstallArgs(params); 13152 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13153 return new AsecInstallArgs(params); 13154 } else { 13155 return new FileInstallArgs(params); 13156 } 13157 } 13158 13159 /** 13160 * Create args that describe an existing installed package. Typically used 13161 * when cleaning up old installs, or used as a move source. 13162 */ 13163 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13164 String resourcePath, String[] instructionSets) { 13165 final boolean isInAsec; 13166 if (installOnExternalAsec(installFlags)) { 13167 /* Apps on SD card are always in ASEC containers. */ 13168 isInAsec = true; 13169 } else if (installForwardLocked(installFlags) 13170 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13171 /* 13172 * Forward-locked apps are only in ASEC containers if they're the 13173 * new style 13174 */ 13175 isInAsec = true; 13176 } else { 13177 isInAsec = false; 13178 } 13179 13180 if (isInAsec) { 13181 return new AsecInstallArgs(codePath, instructionSets, 13182 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13183 } else { 13184 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13185 } 13186 } 13187 13188 static abstract class InstallArgs { 13189 /** @see InstallParams#origin */ 13190 final OriginInfo origin; 13191 /** @see InstallParams#move */ 13192 final MoveInfo move; 13193 13194 final IPackageInstallObserver2 observer; 13195 // Always refers to PackageManager flags only 13196 final int installFlags; 13197 final String installerPackageName; 13198 final String volumeUuid; 13199 final UserHandle user; 13200 final String abiOverride; 13201 final String[] installGrantPermissions; 13202 /** If non-null, drop an async trace when the install completes */ 13203 final String traceMethod; 13204 final int traceCookie; 13205 final Certificate[][] certificates; 13206 13207 // The list of instruction sets supported by this app. This is currently 13208 // only used during the rmdex() phase to clean up resources. We can get rid of this 13209 // if we move dex files under the common app path. 13210 /* nullable */ String[] instructionSets; 13211 13212 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13213 int installFlags, String installerPackageName, String volumeUuid, 13214 UserHandle user, String[] instructionSets, 13215 String abiOverride, String[] installGrantPermissions, 13216 String traceMethod, int traceCookie, Certificate[][] certificates) { 13217 this.origin = origin; 13218 this.move = move; 13219 this.installFlags = installFlags; 13220 this.observer = observer; 13221 this.installerPackageName = installerPackageName; 13222 this.volumeUuid = volumeUuid; 13223 this.user = user; 13224 this.instructionSets = instructionSets; 13225 this.abiOverride = abiOverride; 13226 this.installGrantPermissions = installGrantPermissions; 13227 this.traceMethod = traceMethod; 13228 this.traceCookie = traceCookie; 13229 this.certificates = certificates; 13230 } 13231 13232 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13233 abstract int doPreInstall(int status); 13234 13235 /** 13236 * Rename package into final resting place. All paths on the given 13237 * scanned package should be updated to reflect the rename. 13238 */ 13239 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13240 abstract int doPostInstall(int status, int uid); 13241 13242 /** @see PackageSettingBase#codePathString */ 13243 abstract String getCodePath(); 13244 /** @see PackageSettingBase#resourcePathString */ 13245 abstract String getResourcePath(); 13246 13247 // Need installer lock especially for dex file removal. 13248 abstract void cleanUpResourcesLI(); 13249 abstract boolean doPostDeleteLI(boolean delete); 13250 13251 /** 13252 * Called before the source arguments are copied. This is used mostly 13253 * for MoveParams when it needs to read the source file to put it in the 13254 * destination. 13255 */ 13256 int doPreCopy() { 13257 return PackageManager.INSTALL_SUCCEEDED; 13258 } 13259 13260 /** 13261 * Called after the source arguments are copied. This is used mostly for 13262 * MoveParams when it needs to read the source file to put it in the 13263 * destination. 13264 */ 13265 int doPostCopy(int uid) { 13266 return PackageManager.INSTALL_SUCCEEDED; 13267 } 13268 13269 protected boolean isFwdLocked() { 13270 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13271 } 13272 13273 protected boolean isExternalAsec() { 13274 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13275 } 13276 13277 protected boolean isEphemeral() { 13278 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13279 } 13280 13281 UserHandle getUser() { 13282 return user; 13283 } 13284 } 13285 13286 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13287 if (!allCodePaths.isEmpty()) { 13288 if (instructionSets == null) { 13289 throw new IllegalStateException("instructionSet == null"); 13290 } 13291 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13292 for (String codePath : allCodePaths) { 13293 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13294 try { 13295 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13296 } catch (InstallerException ignored) { 13297 } 13298 } 13299 } 13300 } 13301 } 13302 13303 /** 13304 * Logic to handle installation of non-ASEC applications, including copying 13305 * and renaming logic. 13306 */ 13307 class FileInstallArgs extends InstallArgs { 13308 private File codeFile; 13309 private File resourceFile; 13310 13311 // Example topology: 13312 // /data/app/com.example/base.apk 13313 // /data/app/com.example/split_foo.apk 13314 // /data/app/com.example/lib/arm/libfoo.so 13315 // /data/app/com.example/lib/arm64/libfoo.so 13316 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13317 13318 /** New install */ 13319 FileInstallArgs(InstallParams params) { 13320 super(params.origin, params.move, params.observer, params.installFlags, 13321 params.installerPackageName, params.volumeUuid, 13322 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13323 params.grantedRuntimePermissions, 13324 params.traceMethod, params.traceCookie, params.certificates); 13325 if (isFwdLocked()) { 13326 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13327 } 13328 } 13329 13330 /** Existing install */ 13331 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13332 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13333 null, null, null, 0, null /*certificates*/); 13334 this.codeFile = (codePath != null) ? new File(codePath) : null; 13335 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13336 } 13337 13338 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13339 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13340 try { 13341 return doCopyApk(imcs, temp); 13342 } finally { 13343 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13344 } 13345 } 13346 13347 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13348 if (origin.staged) { 13349 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13350 codeFile = origin.file; 13351 resourceFile = origin.file; 13352 return PackageManager.INSTALL_SUCCEEDED; 13353 } 13354 13355 try { 13356 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13357 final File tempDir = 13358 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13359 codeFile = tempDir; 13360 resourceFile = tempDir; 13361 } catch (IOException e) { 13362 Slog.w(TAG, "Failed to create copy file: " + e); 13363 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13364 } 13365 13366 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13367 @Override 13368 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13369 if (!FileUtils.isValidExtFilename(name)) { 13370 throw new IllegalArgumentException("Invalid filename: " + name); 13371 } 13372 try { 13373 final File file = new File(codeFile, name); 13374 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13375 O_RDWR | O_CREAT, 0644); 13376 Os.chmod(file.getAbsolutePath(), 0644); 13377 return new ParcelFileDescriptor(fd); 13378 } catch (ErrnoException e) { 13379 throw new RemoteException("Failed to open: " + e.getMessage()); 13380 } 13381 } 13382 }; 13383 13384 int ret = PackageManager.INSTALL_SUCCEEDED; 13385 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13386 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13387 Slog.e(TAG, "Failed to copy package"); 13388 return ret; 13389 } 13390 13391 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13392 NativeLibraryHelper.Handle handle = null; 13393 try { 13394 handle = NativeLibraryHelper.Handle.create(codeFile); 13395 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13396 abiOverride); 13397 } catch (IOException e) { 13398 Slog.e(TAG, "Copying native libraries failed", e); 13399 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13400 } finally { 13401 IoUtils.closeQuietly(handle); 13402 } 13403 13404 return ret; 13405 } 13406 13407 int doPreInstall(int status) { 13408 if (status != PackageManager.INSTALL_SUCCEEDED) { 13409 cleanUp(); 13410 } 13411 return status; 13412 } 13413 13414 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13415 if (status != PackageManager.INSTALL_SUCCEEDED) { 13416 cleanUp(); 13417 return false; 13418 } 13419 13420 final File targetDir = codeFile.getParentFile(); 13421 final File beforeCodeFile = codeFile; 13422 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13423 13424 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13425 try { 13426 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13427 } catch (ErrnoException e) { 13428 Slog.w(TAG, "Failed to rename", e); 13429 return false; 13430 } 13431 13432 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13433 Slog.w(TAG, "Failed to restorecon"); 13434 return false; 13435 } 13436 13437 // Reflect the rename internally 13438 codeFile = afterCodeFile; 13439 resourceFile = afterCodeFile; 13440 13441 // Reflect the rename in scanned details 13442 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13443 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13444 afterCodeFile, pkg.baseCodePath)); 13445 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13446 afterCodeFile, pkg.splitCodePaths)); 13447 13448 // Reflect the rename in app info 13449 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13450 pkg.setApplicationInfoCodePath(pkg.codePath); 13451 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13452 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13453 pkg.setApplicationInfoResourcePath(pkg.codePath); 13454 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13455 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13456 13457 return true; 13458 } 13459 13460 int doPostInstall(int status, int uid) { 13461 if (status != PackageManager.INSTALL_SUCCEEDED) { 13462 cleanUp(); 13463 } 13464 return status; 13465 } 13466 13467 @Override 13468 String getCodePath() { 13469 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13470 } 13471 13472 @Override 13473 String getResourcePath() { 13474 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13475 } 13476 13477 private boolean cleanUp() { 13478 if (codeFile == null || !codeFile.exists()) { 13479 return false; 13480 } 13481 13482 removeCodePathLI(codeFile); 13483 13484 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13485 resourceFile.delete(); 13486 } 13487 13488 return true; 13489 } 13490 13491 void cleanUpResourcesLI() { 13492 // Try enumerating all code paths before deleting 13493 List<String> allCodePaths = Collections.EMPTY_LIST; 13494 if (codeFile != null && codeFile.exists()) { 13495 try { 13496 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13497 allCodePaths = pkg.getAllCodePaths(); 13498 } catch (PackageParserException e) { 13499 // Ignored; we tried our best 13500 } 13501 } 13502 13503 cleanUp(); 13504 removeDexFiles(allCodePaths, instructionSets); 13505 } 13506 13507 boolean doPostDeleteLI(boolean delete) { 13508 // XXX err, shouldn't we respect the delete flag? 13509 cleanUpResourcesLI(); 13510 return true; 13511 } 13512 } 13513 13514 private boolean isAsecExternal(String cid) { 13515 final String asecPath = PackageHelper.getSdFilesystem(cid); 13516 return !asecPath.startsWith(mAsecInternalPath); 13517 } 13518 13519 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13520 PackageManagerException { 13521 if (copyRet < 0) { 13522 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13523 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13524 throw new PackageManagerException(copyRet, message); 13525 } 13526 } 13527 } 13528 13529 /** 13530 * Extract the MountService "container ID" from the full code path of an 13531 * .apk. 13532 */ 13533 static String cidFromCodePath(String fullCodePath) { 13534 int eidx = fullCodePath.lastIndexOf("/"); 13535 String subStr1 = fullCodePath.substring(0, eidx); 13536 int sidx = subStr1.lastIndexOf("/"); 13537 return subStr1.substring(sidx+1, eidx); 13538 } 13539 13540 /** 13541 * Logic to handle installation of ASEC applications, including copying and 13542 * renaming logic. 13543 */ 13544 class AsecInstallArgs extends InstallArgs { 13545 static final String RES_FILE_NAME = "pkg.apk"; 13546 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13547 13548 String cid; 13549 String packagePath; 13550 String resourcePath; 13551 13552 /** New install */ 13553 AsecInstallArgs(InstallParams params) { 13554 super(params.origin, params.move, params.observer, params.installFlags, 13555 params.installerPackageName, params.volumeUuid, 13556 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13557 params.grantedRuntimePermissions, 13558 params.traceMethod, params.traceCookie, params.certificates); 13559 } 13560 13561 /** Existing install */ 13562 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13563 boolean isExternal, boolean isForwardLocked) { 13564 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13565 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13566 instructionSets, null, null, null, 0, null /*certificates*/); 13567 // Hackily pretend we're still looking at a full code path 13568 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13569 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13570 } 13571 13572 // Extract cid from fullCodePath 13573 int eidx = fullCodePath.lastIndexOf("/"); 13574 String subStr1 = fullCodePath.substring(0, eidx); 13575 int sidx = subStr1.lastIndexOf("/"); 13576 cid = subStr1.substring(sidx+1, eidx); 13577 setMountPath(subStr1); 13578 } 13579 13580 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13581 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13582 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13583 instructionSets, null, null, null, 0, null /*certificates*/); 13584 this.cid = cid; 13585 setMountPath(PackageHelper.getSdDir(cid)); 13586 } 13587 13588 void createCopyFile() { 13589 cid = mInstallerService.allocateExternalStageCidLegacy(); 13590 } 13591 13592 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13593 if (origin.staged && origin.cid != null) { 13594 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13595 cid = origin.cid; 13596 setMountPath(PackageHelper.getSdDir(cid)); 13597 return PackageManager.INSTALL_SUCCEEDED; 13598 } 13599 13600 if (temp) { 13601 createCopyFile(); 13602 } else { 13603 /* 13604 * Pre-emptively destroy the container since it's destroyed if 13605 * copying fails due to it existing anyway. 13606 */ 13607 PackageHelper.destroySdDir(cid); 13608 } 13609 13610 final String newMountPath = imcs.copyPackageToContainer( 13611 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13612 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13613 13614 if (newMountPath != null) { 13615 setMountPath(newMountPath); 13616 return PackageManager.INSTALL_SUCCEEDED; 13617 } else { 13618 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13619 } 13620 } 13621 13622 @Override 13623 String getCodePath() { 13624 return packagePath; 13625 } 13626 13627 @Override 13628 String getResourcePath() { 13629 return resourcePath; 13630 } 13631 13632 int doPreInstall(int status) { 13633 if (status != PackageManager.INSTALL_SUCCEEDED) { 13634 // Destroy container 13635 PackageHelper.destroySdDir(cid); 13636 } else { 13637 boolean mounted = PackageHelper.isContainerMounted(cid); 13638 if (!mounted) { 13639 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13640 Process.SYSTEM_UID); 13641 if (newMountPath != null) { 13642 setMountPath(newMountPath); 13643 } else { 13644 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13645 } 13646 } 13647 } 13648 return status; 13649 } 13650 13651 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13652 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13653 String newMountPath = null; 13654 if (PackageHelper.isContainerMounted(cid)) { 13655 // Unmount the container 13656 if (!PackageHelper.unMountSdDir(cid)) { 13657 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13658 return false; 13659 } 13660 } 13661 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13662 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13663 " which might be stale. Will try to clean up."); 13664 // Clean up the stale container and proceed to recreate. 13665 if (!PackageHelper.destroySdDir(newCacheId)) { 13666 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13667 return false; 13668 } 13669 // Successfully cleaned up stale container. Try to rename again. 13670 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13671 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13672 + " inspite of cleaning it up."); 13673 return false; 13674 } 13675 } 13676 if (!PackageHelper.isContainerMounted(newCacheId)) { 13677 Slog.w(TAG, "Mounting container " + newCacheId); 13678 newMountPath = PackageHelper.mountSdDir(newCacheId, 13679 getEncryptKey(), Process.SYSTEM_UID); 13680 } else { 13681 newMountPath = PackageHelper.getSdDir(newCacheId); 13682 } 13683 if (newMountPath == null) { 13684 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13685 return false; 13686 } 13687 Log.i(TAG, "Succesfully renamed " + cid + 13688 " to " + newCacheId + 13689 " at new path: " + newMountPath); 13690 cid = newCacheId; 13691 13692 final File beforeCodeFile = new File(packagePath); 13693 setMountPath(newMountPath); 13694 final File afterCodeFile = new File(packagePath); 13695 13696 // Reflect the rename in scanned details 13697 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13698 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13699 afterCodeFile, pkg.baseCodePath)); 13700 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13701 afterCodeFile, pkg.splitCodePaths)); 13702 13703 // Reflect the rename in app info 13704 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13705 pkg.setApplicationInfoCodePath(pkg.codePath); 13706 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13707 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13708 pkg.setApplicationInfoResourcePath(pkg.codePath); 13709 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13710 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13711 13712 return true; 13713 } 13714 13715 private void setMountPath(String mountPath) { 13716 final File mountFile = new File(mountPath); 13717 13718 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13719 if (monolithicFile.exists()) { 13720 packagePath = monolithicFile.getAbsolutePath(); 13721 if (isFwdLocked()) { 13722 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13723 } else { 13724 resourcePath = packagePath; 13725 } 13726 } else { 13727 packagePath = mountFile.getAbsolutePath(); 13728 resourcePath = packagePath; 13729 } 13730 } 13731 13732 int doPostInstall(int status, int uid) { 13733 if (status != PackageManager.INSTALL_SUCCEEDED) { 13734 cleanUp(); 13735 } else { 13736 final int groupOwner; 13737 final String protectedFile; 13738 if (isFwdLocked()) { 13739 groupOwner = UserHandle.getSharedAppGid(uid); 13740 protectedFile = RES_FILE_NAME; 13741 } else { 13742 groupOwner = -1; 13743 protectedFile = null; 13744 } 13745 13746 if (uid < Process.FIRST_APPLICATION_UID 13747 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13748 Slog.e(TAG, "Failed to finalize " + cid); 13749 PackageHelper.destroySdDir(cid); 13750 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13751 } 13752 13753 boolean mounted = PackageHelper.isContainerMounted(cid); 13754 if (!mounted) { 13755 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13756 } 13757 } 13758 return status; 13759 } 13760 13761 private void cleanUp() { 13762 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13763 13764 // Destroy secure container 13765 PackageHelper.destroySdDir(cid); 13766 } 13767 13768 private List<String> getAllCodePaths() { 13769 final File codeFile = new File(getCodePath()); 13770 if (codeFile != null && codeFile.exists()) { 13771 try { 13772 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13773 return pkg.getAllCodePaths(); 13774 } catch (PackageParserException e) { 13775 // Ignored; we tried our best 13776 } 13777 } 13778 return Collections.EMPTY_LIST; 13779 } 13780 13781 void cleanUpResourcesLI() { 13782 // Enumerate all code paths before deleting 13783 cleanUpResourcesLI(getAllCodePaths()); 13784 } 13785 13786 private void cleanUpResourcesLI(List<String> allCodePaths) { 13787 cleanUp(); 13788 removeDexFiles(allCodePaths, instructionSets); 13789 } 13790 13791 String getPackageName() { 13792 return getAsecPackageName(cid); 13793 } 13794 13795 boolean doPostDeleteLI(boolean delete) { 13796 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13797 final List<String> allCodePaths = getAllCodePaths(); 13798 boolean mounted = PackageHelper.isContainerMounted(cid); 13799 if (mounted) { 13800 // Unmount first 13801 if (PackageHelper.unMountSdDir(cid)) { 13802 mounted = false; 13803 } 13804 } 13805 if (!mounted && delete) { 13806 cleanUpResourcesLI(allCodePaths); 13807 } 13808 return !mounted; 13809 } 13810 13811 @Override 13812 int doPreCopy() { 13813 if (isFwdLocked()) { 13814 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13815 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13816 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13817 } 13818 } 13819 13820 return PackageManager.INSTALL_SUCCEEDED; 13821 } 13822 13823 @Override 13824 int doPostCopy(int uid) { 13825 if (isFwdLocked()) { 13826 if (uid < Process.FIRST_APPLICATION_UID 13827 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13828 RES_FILE_NAME)) { 13829 Slog.e(TAG, "Failed to finalize " + cid); 13830 PackageHelper.destroySdDir(cid); 13831 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13832 } 13833 } 13834 13835 return PackageManager.INSTALL_SUCCEEDED; 13836 } 13837 } 13838 13839 /** 13840 * Logic to handle movement of existing installed applications. 13841 */ 13842 class MoveInstallArgs extends InstallArgs { 13843 private File codeFile; 13844 private File resourceFile; 13845 13846 /** New install */ 13847 MoveInstallArgs(InstallParams params) { 13848 super(params.origin, params.move, params.observer, params.installFlags, 13849 params.installerPackageName, params.volumeUuid, 13850 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13851 params.grantedRuntimePermissions, 13852 params.traceMethod, params.traceCookie, params.certificates); 13853 } 13854 13855 int copyApk(IMediaContainerService imcs, boolean temp) { 13856 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13857 + move.fromUuid + " to " + move.toUuid); 13858 synchronized (mInstaller) { 13859 try { 13860 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13861 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13862 } catch (InstallerException e) { 13863 Slog.w(TAG, "Failed to move app", e); 13864 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13865 } 13866 } 13867 13868 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13869 resourceFile = codeFile; 13870 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13871 13872 return PackageManager.INSTALL_SUCCEEDED; 13873 } 13874 13875 int doPreInstall(int status) { 13876 if (status != PackageManager.INSTALL_SUCCEEDED) { 13877 cleanUp(move.toUuid); 13878 } 13879 return status; 13880 } 13881 13882 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13883 if (status != PackageManager.INSTALL_SUCCEEDED) { 13884 cleanUp(move.toUuid); 13885 return false; 13886 } 13887 13888 // Reflect the move in app info 13889 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13890 pkg.setApplicationInfoCodePath(pkg.codePath); 13891 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13892 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13893 pkg.setApplicationInfoResourcePath(pkg.codePath); 13894 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13895 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13896 13897 return true; 13898 } 13899 13900 int doPostInstall(int status, int uid) { 13901 if (status == PackageManager.INSTALL_SUCCEEDED) { 13902 cleanUp(move.fromUuid); 13903 } else { 13904 cleanUp(move.toUuid); 13905 } 13906 return status; 13907 } 13908 13909 @Override 13910 String getCodePath() { 13911 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13912 } 13913 13914 @Override 13915 String getResourcePath() { 13916 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13917 } 13918 13919 private boolean cleanUp(String volumeUuid) { 13920 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13921 move.dataAppName); 13922 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13923 final int[] userIds = sUserManager.getUserIds(); 13924 synchronized (mInstallLock) { 13925 // Clean up both app data and code 13926 // All package moves are frozen until finished 13927 for (int userId : userIds) { 13928 try { 13929 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13930 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13931 } catch (InstallerException e) { 13932 Slog.w(TAG, String.valueOf(e)); 13933 } 13934 } 13935 removeCodePathLI(codeFile); 13936 } 13937 return true; 13938 } 13939 13940 void cleanUpResourcesLI() { 13941 throw new UnsupportedOperationException(); 13942 } 13943 13944 boolean doPostDeleteLI(boolean delete) { 13945 throw new UnsupportedOperationException(); 13946 } 13947 } 13948 13949 static String getAsecPackageName(String packageCid) { 13950 int idx = packageCid.lastIndexOf("-"); 13951 if (idx == -1) { 13952 return packageCid; 13953 } 13954 return packageCid.substring(0, idx); 13955 } 13956 13957 // Utility method used to create code paths based on package name and available index. 13958 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13959 String idxStr = ""; 13960 int idx = 1; 13961 // Fall back to default value of idx=1 if prefix is not 13962 // part of oldCodePath 13963 if (oldCodePath != null) { 13964 String subStr = oldCodePath; 13965 // Drop the suffix right away 13966 if (suffix != null && subStr.endsWith(suffix)) { 13967 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13968 } 13969 // If oldCodePath already contains prefix find out the 13970 // ending index to either increment or decrement. 13971 int sidx = subStr.lastIndexOf(prefix); 13972 if (sidx != -1) { 13973 subStr = subStr.substring(sidx + prefix.length()); 13974 if (subStr != null) { 13975 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13976 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13977 } 13978 try { 13979 idx = Integer.parseInt(subStr); 13980 if (idx <= 1) { 13981 idx++; 13982 } else { 13983 idx--; 13984 } 13985 } catch(NumberFormatException e) { 13986 } 13987 } 13988 } 13989 } 13990 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13991 return prefix + idxStr; 13992 } 13993 13994 private File getNextCodePath(File targetDir, String packageName) { 13995 int suffix = 1; 13996 File result; 13997 do { 13998 result = new File(targetDir, packageName + "-" + suffix); 13999 suffix++; 14000 } while (result.exists()); 14001 return result; 14002 } 14003 14004 // Utility method that returns the relative package path with respect 14005 // to the installation directory. Like say for /data/data/com.test-1.apk 14006 // string com.test-1 is returned. 14007 static String deriveCodePathName(String codePath) { 14008 if (codePath == null) { 14009 return null; 14010 } 14011 final File codeFile = new File(codePath); 14012 final String name = codeFile.getName(); 14013 if (codeFile.isDirectory()) { 14014 return name; 14015 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14016 final int lastDot = name.lastIndexOf('.'); 14017 return name.substring(0, lastDot); 14018 } else { 14019 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14020 return null; 14021 } 14022 } 14023 14024 static class PackageInstalledInfo { 14025 String name; 14026 int uid; 14027 // The set of users that originally had this package installed. 14028 int[] origUsers; 14029 // The set of users that now have this package installed. 14030 int[] newUsers; 14031 PackageParser.Package pkg; 14032 int returnCode; 14033 String returnMsg; 14034 PackageRemovedInfo removedInfo; 14035 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14036 14037 public void setError(int code, String msg) { 14038 setReturnCode(code); 14039 setReturnMessage(msg); 14040 Slog.w(TAG, msg); 14041 } 14042 14043 public void setError(String msg, PackageParserException e) { 14044 setReturnCode(e.error); 14045 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14046 Slog.w(TAG, msg, e); 14047 } 14048 14049 public void setError(String msg, PackageManagerException e) { 14050 returnCode = e.error; 14051 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14052 Slog.w(TAG, msg, e); 14053 } 14054 14055 public void setReturnCode(int returnCode) { 14056 this.returnCode = returnCode; 14057 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14058 for (int i = 0; i < childCount; i++) { 14059 addedChildPackages.valueAt(i).returnCode = returnCode; 14060 } 14061 } 14062 14063 private void setReturnMessage(String returnMsg) { 14064 this.returnMsg = returnMsg; 14065 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14066 for (int i = 0; i < childCount; i++) { 14067 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14068 } 14069 } 14070 14071 // In some error cases we want to convey more info back to the observer 14072 String origPackage; 14073 String origPermission; 14074 } 14075 14076 /* 14077 * Install a non-existing package. 14078 */ 14079 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14080 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14081 PackageInstalledInfo res) { 14082 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14083 14084 // Remember this for later, in case we need to rollback this install 14085 String pkgName = pkg.packageName; 14086 14087 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14088 14089 synchronized(mPackages) { 14090 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14091 // A package with the same name is already installed, though 14092 // it has been renamed to an older name. The package we 14093 // are trying to install should be installed as an update to 14094 // the existing one, but that has not been requested, so bail. 14095 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14096 + " without first uninstalling package running as " 14097 + mSettings.mRenamedPackages.get(pkgName)); 14098 return; 14099 } 14100 if (mPackages.containsKey(pkgName)) { 14101 // Don't allow installation over an existing package with the same name. 14102 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14103 + " without first uninstalling."); 14104 return; 14105 } 14106 } 14107 14108 try { 14109 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14110 System.currentTimeMillis(), user); 14111 14112 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14113 14114 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14115 prepareAppDataAfterInstallLIF(newPackage); 14116 14117 } else { 14118 // Remove package from internal structures, but keep around any 14119 // data that might have already existed 14120 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14121 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14122 } 14123 } catch (PackageManagerException e) { 14124 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14125 } 14126 14127 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14128 } 14129 14130 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14131 // Can't rotate keys during boot or if sharedUser. 14132 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14133 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14134 return false; 14135 } 14136 // app is using upgradeKeySets; make sure all are valid 14137 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14138 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14139 for (int i = 0; i < upgradeKeySets.length; i++) { 14140 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14141 Slog.wtf(TAG, "Package " 14142 + (oldPs.name != null ? oldPs.name : "<null>") 14143 + " contains upgrade-key-set reference to unknown key-set: " 14144 + upgradeKeySets[i] 14145 + " reverting to signatures check."); 14146 return false; 14147 } 14148 } 14149 return true; 14150 } 14151 14152 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14153 // Upgrade keysets are being used. Determine if new package has a superset of the 14154 // required keys. 14155 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14156 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14157 for (int i = 0; i < upgradeKeySets.length; i++) { 14158 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14159 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14160 return true; 14161 } 14162 } 14163 return false; 14164 } 14165 14166 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14167 try (DigestInputStream digestStream = 14168 new DigestInputStream(new FileInputStream(file), digest)) { 14169 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14170 } 14171 } 14172 14173 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14174 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14175 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14176 14177 final PackageParser.Package oldPackage; 14178 final String pkgName = pkg.packageName; 14179 final int[] allUsers; 14180 final int[] installedUsers; 14181 14182 synchronized(mPackages) { 14183 oldPackage = mPackages.get(pkgName); 14184 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14185 14186 // don't allow upgrade to target a release SDK from a pre-release SDK 14187 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14188 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14189 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14190 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14191 if (oldTargetsPreRelease 14192 && !newTargetsPreRelease 14193 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14194 Slog.w(TAG, "Can't install package targeting released sdk"); 14195 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14196 return; 14197 } 14198 14199 // don't allow an upgrade from full to ephemeral 14200 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14201 if (isEphemeral && !oldIsEphemeral) { 14202 // can't downgrade from full to ephemeral 14203 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14204 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14205 return; 14206 } 14207 14208 // verify signatures are valid 14209 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14210 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14211 if (!checkUpgradeKeySetLP(ps, pkg)) { 14212 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14213 "New package not signed by keys specified by upgrade-keysets: " 14214 + pkgName); 14215 return; 14216 } 14217 } else { 14218 // default to original signature matching 14219 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14220 != PackageManager.SIGNATURE_MATCH) { 14221 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14222 "New package has a different signature: " + pkgName); 14223 return; 14224 } 14225 } 14226 14227 // don't allow a system upgrade unless the upgrade hash matches 14228 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14229 byte[] digestBytes = null; 14230 try { 14231 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14232 updateDigest(digest, new File(pkg.baseCodePath)); 14233 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14234 for (String path : pkg.splitCodePaths) { 14235 updateDigest(digest, new File(path)); 14236 } 14237 } 14238 digestBytes = digest.digest(); 14239 } catch (NoSuchAlgorithmException | IOException e) { 14240 res.setError(INSTALL_FAILED_INVALID_APK, 14241 "Could not compute hash: " + pkgName); 14242 return; 14243 } 14244 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14245 res.setError(INSTALL_FAILED_INVALID_APK, 14246 "New package fails restrict-update check: " + pkgName); 14247 return; 14248 } 14249 // retain upgrade restriction 14250 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14251 } 14252 14253 // Check for shared user id changes 14254 String invalidPackageName = 14255 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14256 if (invalidPackageName != null) { 14257 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14258 "Package " + invalidPackageName + " tried to change user " 14259 + oldPackage.mSharedUserId); 14260 return; 14261 } 14262 14263 // In case of rollback, remember per-user/profile install state 14264 allUsers = sUserManager.getUserIds(); 14265 installedUsers = ps.queryInstalledUsers(allUsers, true); 14266 } 14267 14268 // Update what is removed 14269 res.removedInfo = new PackageRemovedInfo(); 14270 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14271 res.removedInfo.removedPackage = oldPackage.packageName; 14272 res.removedInfo.isUpdate = true; 14273 res.removedInfo.origUsers = installedUsers; 14274 final int childCount = (oldPackage.childPackages != null) 14275 ? oldPackage.childPackages.size() : 0; 14276 for (int i = 0; i < childCount; i++) { 14277 boolean childPackageUpdated = false; 14278 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14279 if (res.addedChildPackages != null) { 14280 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14281 if (childRes != null) { 14282 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14283 childRes.removedInfo.removedPackage = childPkg.packageName; 14284 childRes.removedInfo.isUpdate = true; 14285 childPackageUpdated = true; 14286 } 14287 } 14288 if (!childPackageUpdated) { 14289 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14290 childRemovedRes.removedPackage = childPkg.packageName; 14291 childRemovedRes.isUpdate = false; 14292 childRemovedRes.dataRemoved = true; 14293 synchronized (mPackages) { 14294 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14295 if (childPs != null) { 14296 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14297 } 14298 } 14299 if (res.removedInfo.removedChildPackages == null) { 14300 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14301 } 14302 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14303 } 14304 } 14305 14306 boolean sysPkg = (isSystemApp(oldPackage)); 14307 if (sysPkg) { 14308 // Set the system/privileged flags as needed 14309 final boolean privileged = 14310 (oldPackage.applicationInfo.privateFlags 14311 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14312 final int systemPolicyFlags = policyFlags 14313 | PackageParser.PARSE_IS_SYSTEM 14314 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14315 14316 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14317 user, allUsers, installerPackageName, res); 14318 } else { 14319 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14320 user, allUsers, installerPackageName, res); 14321 } 14322 } 14323 14324 public List<String> getPreviousCodePaths(String packageName) { 14325 final PackageSetting ps = mSettings.mPackages.get(packageName); 14326 final List<String> result = new ArrayList<String>(); 14327 if (ps != null && ps.oldCodePaths != null) { 14328 result.addAll(ps.oldCodePaths); 14329 } 14330 return result; 14331 } 14332 14333 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14334 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14335 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14336 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14337 + deletedPackage); 14338 14339 String pkgName = deletedPackage.packageName; 14340 boolean deletedPkg = true; 14341 boolean addedPkg = false; 14342 boolean updatedSettings = false; 14343 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14344 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14345 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14346 14347 final long origUpdateTime = (pkg.mExtras != null) 14348 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14349 14350 // First delete the existing package while retaining the data directory 14351 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14352 res.removedInfo, true, pkg)) { 14353 // If the existing package wasn't successfully deleted 14354 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14355 deletedPkg = false; 14356 } else { 14357 // Successfully deleted the old package; proceed with replace. 14358 14359 // If deleted package lived in a container, give users a chance to 14360 // relinquish resources before killing. 14361 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14362 if (DEBUG_INSTALL) { 14363 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14364 } 14365 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14366 final ArrayList<String> pkgList = new ArrayList<String>(1); 14367 pkgList.add(deletedPackage.applicationInfo.packageName); 14368 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14369 } 14370 14371 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14372 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14373 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14374 14375 try { 14376 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14377 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14378 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14379 14380 // Update the in-memory copy of the previous code paths. 14381 PackageSetting ps = mSettings.mPackages.get(pkgName); 14382 if (!killApp) { 14383 if (ps.oldCodePaths == null) { 14384 ps.oldCodePaths = new ArraySet<>(); 14385 } 14386 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14387 if (deletedPackage.splitCodePaths != null) { 14388 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14389 } 14390 } else { 14391 ps.oldCodePaths = null; 14392 } 14393 if (ps.childPackageNames != null) { 14394 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14395 final String childPkgName = ps.childPackageNames.get(i); 14396 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14397 childPs.oldCodePaths = ps.oldCodePaths; 14398 } 14399 } 14400 prepareAppDataAfterInstallLIF(newPackage); 14401 addedPkg = true; 14402 } catch (PackageManagerException e) { 14403 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14404 } 14405 } 14406 14407 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14408 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14409 14410 // Revert all internal state mutations and added folders for the failed install 14411 if (addedPkg) { 14412 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14413 res.removedInfo, true, null); 14414 } 14415 14416 // Restore the old package 14417 if (deletedPkg) { 14418 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14419 File restoreFile = new File(deletedPackage.codePath); 14420 // Parse old package 14421 boolean oldExternal = isExternal(deletedPackage); 14422 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14423 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14424 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14425 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14426 try { 14427 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14428 null); 14429 } catch (PackageManagerException e) { 14430 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14431 + e.getMessage()); 14432 return; 14433 } 14434 14435 synchronized (mPackages) { 14436 // Ensure the installer package name up to date 14437 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14438 14439 // Update permissions for restored package 14440 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14441 14442 mSettings.writeLPr(); 14443 } 14444 14445 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14446 } 14447 } else { 14448 synchronized (mPackages) { 14449 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14450 if (ps != null) { 14451 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14452 if (res.removedInfo.removedChildPackages != null) { 14453 final int childCount = res.removedInfo.removedChildPackages.size(); 14454 // Iterate in reverse as we may modify the collection 14455 for (int i = childCount - 1; i >= 0; i--) { 14456 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14457 if (res.addedChildPackages.containsKey(childPackageName)) { 14458 res.removedInfo.removedChildPackages.removeAt(i); 14459 } else { 14460 PackageRemovedInfo childInfo = res.removedInfo 14461 .removedChildPackages.valueAt(i); 14462 childInfo.removedForAllUsers = mPackages.get( 14463 childInfo.removedPackage) == null; 14464 } 14465 } 14466 } 14467 } 14468 } 14469 } 14470 } 14471 14472 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14473 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14474 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14475 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14476 + ", old=" + deletedPackage); 14477 14478 final boolean disabledSystem; 14479 14480 // Remove existing system package 14481 removePackageLI(deletedPackage, true); 14482 14483 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14484 if (!disabledSystem) { 14485 // We didn't need to disable the .apk as a current system package, 14486 // which means we are replacing another update that is already 14487 // installed. We need to make sure to delete the older one's .apk. 14488 res.removedInfo.args = createInstallArgsForExisting(0, 14489 deletedPackage.applicationInfo.getCodePath(), 14490 deletedPackage.applicationInfo.getResourcePath(), 14491 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14492 } else { 14493 res.removedInfo.args = null; 14494 } 14495 14496 // Successfully disabled the old package. Now proceed with re-installation 14497 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14498 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14499 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14500 14501 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14502 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14503 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14504 14505 PackageParser.Package newPackage = null; 14506 try { 14507 // Add the package to the internal data structures 14508 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14509 14510 // Set the update and install times 14511 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14512 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14513 System.currentTimeMillis()); 14514 14515 // Update the package dynamic state if succeeded 14516 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14517 // Now that the install succeeded make sure we remove data 14518 // directories for any child package the update removed. 14519 final int deletedChildCount = (deletedPackage.childPackages != null) 14520 ? deletedPackage.childPackages.size() : 0; 14521 final int newChildCount = (newPackage.childPackages != null) 14522 ? newPackage.childPackages.size() : 0; 14523 for (int i = 0; i < deletedChildCount; i++) { 14524 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14525 boolean childPackageDeleted = true; 14526 for (int j = 0; j < newChildCount; j++) { 14527 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14528 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14529 childPackageDeleted = false; 14530 break; 14531 } 14532 } 14533 if (childPackageDeleted) { 14534 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14535 deletedChildPkg.packageName); 14536 if (ps != null && res.removedInfo.removedChildPackages != null) { 14537 PackageRemovedInfo removedChildRes = res.removedInfo 14538 .removedChildPackages.get(deletedChildPkg.packageName); 14539 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14540 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14541 } 14542 } 14543 } 14544 14545 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14546 prepareAppDataAfterInstallLIF(newPackage); 14547 } 14548 } catch (PackageManagerException e) { 14549 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14550 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14551 } 14552 14553 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14554 // Re installation failed. Restore old information 14555 // Remove new pkg information 14556 if (newPackage != null) { 14557 removeInstalledPackageLI(newPackage, true); 14558 } 14559 // Add back the old system package 14560 try { 14561 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14562 } catch (PackageManagerException e) { 14563 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14564 } 14565 14566 synchronized (mPackages) { 14567 if (disabledSystem) { 14568 enableSystemPackageLPw(deletedPackage); 14569 } 14570 14571 // Ensure the installer package name up to date 14572 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14573 14574 // Update permissions for restored package 14575 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14576 14577 mSettings.writeLPr(); 14578 } 14579 14580 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14581 + " after failed upgrade"); 14582 } 14583 } 14584 14585 /** 14586 * Checks whether the parent or any of the child packages have a change shared 14587 * user. For a package to be a valid update the shred users of the parent and 14588 * the children should match. We may later support changing child shared users. 14589 * @param oldPkg The updated package. 14590 * @param newPkg The update package. 14591 * @return The shared user that change between the versions. 14592 */ 14593 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14594 PackageParser.Package newPkg) { 14595 // Check parent shared user 14596 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14597 return newPkg.packageName; 14598 } 14599 // Check child shared users 14600 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14601 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14602 for (int i = 0; i < newChildCount; i++) { 14603 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14604 // If this child was present, did it have the same shared user? 14605 for (int j = 0; j < oldChildCount; j++) { 14606 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14607 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14608 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14609 return newChildPkg.packageName; 14610 } 14611 } 14612 } 14613 return null; 14614 } 14615 14616 private void removeNativeBinariesLI(PackageSetting ps) { 14617 // Remove the lib path for the parent package 14618 if (ps != null) { 14619 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14620 // Remove the lib path for the child packages 14621 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14622 for (int i = 0; i < childCount; i++) { 14623 PackageSetting childPs = null; 14624 synchronized (mPackages) { 14625 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14626 } 14627 if (childPs != null) { 14628 NativeLibraryHelper.removeNativeBinariesLI(childPs 14629 .legacyNativeLibraryPathString); 14630 } 14631 } 14632 } 14633 } 14634 14635 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14636 // Enable the parent package 14637 mSettings.enableSystemPackageLPw(pkg.packageName); 14638 // Enable the child packages 14639 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14640 for (int i = 0; i < childCount; i++) { 14641 PackageParser.Package childPkg = pkg.childPackages.get(i); 14642 mSettings.enableSystemPackageLPw(childPkg.packageName); 14643 } 14644 } 14645 14646 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14647 PackageParser.Package newPkg) { 14648 // Disable the parent package (parent always replaced) 14649 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14650 // Disable the child packages 14651 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14652 for (int i = 0; i < childCount; i++) { 14653 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14654 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14655 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14656 } 14657 return disabled; 14658 } 14659 14660 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14661 String installerPackageName) { 14662 // Enable the parent package 14663 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14664 // Enable the child packages 14665 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14666 for (int i = 0; i < childCount; i++) { 14667 PackageParser.Package childPkg = pkg.childPackages.get(i); 14668 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14669 } 14670 } 14671 14672 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14673 // Collect all used permissions in the UID 14674 ArraySet<String> usedPermissions = new ArraySet<>(); 14675 final int packageCount = su.packages.size(); 14676 for (int i = 0; i < packageCount; i++) { 14677 PackageSetting ps = su.packages.valueAt(i); 14678 if (ps.pkg == null) { 14679 continue; 14680 } 14681 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14682 for (int j = 0; j < requestedPermCount; j++) { 14683 String permission = ps.pkg.requestedPermissions.get(j); 14684 BasePermission bp = mSettings.mPermissions.get(permission); 14685 if (bp != null) { 14686 usedPermissions.add(permission); 14687 } 14688 } 14689 } 14690 14691 PermissionsState permissionsState = su.getPermissionsState(); 14692 // Prune install permissions 14693 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14694 final int installPermCount = installPermStates.size(); 14695 for (int i = installPermCount - 1; i >= 0; i--) { 14696 PermissionState permissionState = installPermStates.get(i); 14697 if (!usedPermissions.contains(permissionState.getName())) { 14698 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14699 if (bp != null) { 14700 permissionsState.revokeInstallPermission(bp); 14701 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14702 PackageManager.MASK_PERMISSION_FLAGS, 0); 14703 } 14704 } 14705 } 14706 14707 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14708 14709 // Prune runtime permissions 14710 for (int userId : allUserIds) { 14711 List<PermissionState> runtimePermStates = permissionsState 14712 .getRuntimePermissionStates(userId); 14713 final int runtimePermCount = runtimePermStates.size(); 14714 for (int i = runtimePermCount - 1; i >= 0; i--) { 14715 PermissionState permissionState = runtimePermStates.get(i); 14716 if (!usedPermissions.contains(permissionState.getName())) { 14717 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14718 if (bp != null) { 14719 permissionsState.revokeRuntimePermission(bp, userId); 14720 permissionsState.updatePermissionFlags(bp, userId, 14721 PackageManager.MASK_PERMISSION_FLAGS, 0); 14722 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14723 runtimePermissionChangedUserIds, userId); 14724 } 14725 } 14726 } 14727 } 14728 14729 return runtimePermissionChangedUserIds; 14730 } 14731 14732 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14733 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14734 // Update the parent package setting 14735 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14736 res, user); 14737 // Update the child packages setting 14738 final int childCount = (newPackage.childPackages != null) 14739 ? newPackage.childPackages.size() : 0; 14740 for (int i = 0; i < childCount; i++) { 14741 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14742 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14743 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14744 childRes.origUsers, childRes, user); 14745 } 14746 } 14747 14748 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14749 String installerPackageName, int[] allUsers, int[] installedForUsers, 14750 PackageInstalledInfo res, UserHandle user) { 14751 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14752 14753 String pkgName = newPackage.packageName; 14754 synchronized (mPackages) { 14755 //write settings. the installStatus will be incomplete at this stage. 14756 //note that the new package setting would have already been 14757 //added to mPackages. It hasn't been persisted yet. 14758 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14759 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14760 mSettings.writeLPr(); 14761 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14762 } 14763 14764 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14765 synchronized (mPackages) { 14766 updatePermissionsLPw(newPackage.packageName, newPackage, 14767 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14768 ? UPDATE_PERMISSIONS_ALL : 0)); 14769 // For system-bundled packages, we assume that installing an upgraded version 14770 // of the package implies that the user actually wants to run that new code, 14771 // so we enable the package. 14772 PackageSetting ps = mSettings.mPackages.get(pkgName); 14773 final int userId = user.getIdentifier(); 14774 if (ps != null) { 14775 if (isSystemApp(newPackage)) { 14776 if (DEBUG_INSTALL) { 14777 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14778 } 14779 // Enable system package for requested users 14780 if (res.origUsers != null) { 14781 for (int origUserId : res.origUsers) { 14782 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14783 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14784 origUserId, installerPackageName); 14785 } 14786 } 14787 } 14788 // Also convey the prior install/uninstall state 14789 if (allUsers != null && installedForUsers != null) { 14790 for (int currentUserId : allUsers) { 14791 final boolean installed = ArrayUtils.contains( 14792 installedForUsers, currentUserId); 14793 if (DEBUG_INSTALL) { 14794 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14795 } 14796 ps.setInstalled(installed, currentUserId); 14797 } 14798 // these install state changes will be persisted in the 14799 // upcoming call to mSettings.writeLPr(). 14800 } 14801 } 14802 // It's implied that when a user requests installation, they want the app to be 14803 // installed and enabled. 14804 if (userId != UserHandle.USER_ALL) { 14805 ps.setInstalled(true, userId); 14806 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14807 } 14808 } 14809 res.name = pkgName; 14810 res.uid = newPackage.applicationInfo.uid; 14811 res.pkg = newPackage; 14812 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14813 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14814 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14815 //to update install status 14816 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14817 mSettings.writeLPr(); 14818 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14819 } 14820 14821 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14822 } 14823 14824 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14825 try { 14826 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14827 installPackageLI(args, res); 14828 } finally { 14829 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14830 } 14831 } 14832 14833 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14834 final int installFlags = args.installFlags; 14835 final String installerPackageName = args.installerPackageName; 14836 final String volumeUuid = args.volumeUuid; 14837 final File tmpPackageFile = new File(args.getCodePath()); 14838 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14839 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14840 || (args.volumeUuid != null)); 14841 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14842 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14843 boolean replace = false; 14844 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14845 if (args.move != null) { 14846 // moving a complete application; perform an initial scan on the new install location 14847 scanFlags |= SCAN_INITIAL; 14848 } 14849 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14850 scanFlags |= SCAN_DONT_KILL_APP; 14851 } 14852 14853 // Result object to be returned 14854 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14855 14856 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14857 14858 // Sanity check 14859 if (ephemeral && (forwardLocked || onExternal)) { 14860 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14861 + " external=" + onExternal); 14862 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14863 return; 14864 } 14865 14866 // Retrieve PackageSettings and parse package 14867 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14868 | PackageParser.PARSE_ENFORCE_CODE 14869 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14870 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14871 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14872 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14873 PackageParser pp = new PackageParser(); 14874 pp.setSeparateProcesses(mSeparateProcesses); 14875 pp.setDisplayMetrics(mMetrics); 14876 14877 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14878 final PackageParser.Package pkg; 14879 try { 14880 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14881 } catch (PackageParserException e) { 14882 res.setError("Failed parse during installPackageLI", e); 14883 return; 14884 } finally { 14885 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14886 } 14887 14888 // If we are installing a clustered package add results for the children 14889 if (pkg.childPackages != null) { 14890 synchronized (mPackages) { 14891 final int childCount = pkg.childPackages.size(); 14892 for (int i = 0; i < childCount; i++) { 14893 PackageParser.Package childPkg = pkg.childPackages.get(i); 14894 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14895 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14896 childRes.pkg = childPkg; 14897 childRes.name = childPkg.packageName; 14898 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14899 if (childPs != null) { 14900 childRes.origUsers = childPs.queryInstalledUsers( 14901 sUserManager.getUserIds(), true); 14902 } 14903 if ((mPackages.containsKey(childPkg.packageName))) { 14904 childRes.removedInfo = new PackageRemovedInfo(); 14905 childRes.removedInfo.removedPackage = childPkg.packageName; 14906 } 14907 if (res.addedChildPackages == null) { 14908 res.addedChildPackages = new ArrayMap<>(); 14909 } 14910 res.addedChildPackages.put(childPkg.packageName, childRes); 14911 } 14912 } 14913 } 14914 14915 // If package doesn't declare API override, mark that we have an install 14916 // time CPU ABI override. 14917 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14918 pkg.cpuAbiOverride = args.abiOverride; 14919 } 14920 14921 String pkgName = res.name = pkg.packageName; 14922 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14923 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14924 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14925 return; 14926 } 14927 } 14928 14929 try { 14930 // either use what we've been given or parse directly from the APK 14931 if (args.certificates != null) { 14932 try { 14933 PackageParser.populateCertificates(pkg, args.certificates); 14934 } catch (PackageParserException e) { 14935 // there was something wrong with the certificates we were given; 14936 // try to pull them from the APK 14937 PackageParser.collectCertificates(pkg, parseFlags); 14938 } 14939 } else { 14940 PackageParser.collectCertificates(pkg, parseFlags); 14941 } 14942 } catch (PackageParserException e) { 14943 res.setError("Failed collect during installPackageLI", e); 14944 return; 14945 } 14946 14947 // Get rid of all references to package scan path via parser. 14948 pp = null; 14949 String oldCodePath = null; 14950 boolean systemApp = false; 14951 synchronized (mPackages) { 14952 // Check if installing already existing package 14953 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14954 String oldName = mSettings.mRenamedPackages.get(pkgName); 14955 if (pkg.mOriginalPackages != null 14956 && pkg.mOriginalPackages.contains(oldName) 14957 && mPackages.containsKey(oldName)) { 14958 // This package is derived from an original package, 14959 // and this device has been updating from that original 14960 // name. We must continue using the original name, so 14961 // rename the new package here. 14962 pkg.setPackageName(oldName); 14963 pkgName = pkg.packageName; 14964 replace = true; 14965 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14966 + oldName + " pkgName=" + pkgName); 14967 } else if (mPackages.containsKey(pkgName)) { 14968 // This package, under its official name, already exists 14969 // on the device; we should replace it. 14970 replace = true; 14971 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14972 } 14973 14974 // Child packages are installed through the parent package 14975 if (pkg.parentPackage != null) { 14976 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14977 "Package " + pkg.packageName + " is child of package " 14978 + pkg.parentPackage.parentPackage + ". Child packages " 14979 + "can be updated only through the parent package."); 14980 return; 14981 } 14982 14983 if (replace) { 14984 // Prevent apps opting out from runtime permissions 14985 PackageParser.Package oldPackage = mPackages.get(pkgName); 14986 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14987 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14988 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14989 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14990 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14991 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14992 + " doesn't support runtime permissions but the old" 14993 + " target SDK " + oldTargetSdk + " does."); 14994 return; 14995 } 14996 14997 // Prevent installing of child packages 14998 if (oldPackage.parentPackage != null) { 14999 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15000 "Package " + pkg.packageName + " is child of package " 15001 + oldPackage.parentPackage + ". Child packages " 15002 + "can be updated only through the parent package."); 15003 return; 15004 } 15005 } 15006 } 15007 15008 PackageSetting ps = mSettings.mPackages.get(pkgName); 15009 if (ps != null) { 15010 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15011 15012 // Quick sanity check that we're signed correctly if updating; 15013 // we'll check this again later when scanning, but we want to 15014 // bail early here before tripping over redefined permissions. 15015 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15016 if (!checkUpgradeKeySetLP(ps, pkg)) { 15017 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15018 + pkg.packageName + " upgrade keys do not match the " 15019 + "previously installed version"); 15020 return; 15021 } 15022 } else { 15023 try { 15024 verifySignaturesLP(ps, pkg); 15025 } catch (PackageManagerException e) { 15026 res.setError(e.error, e.getMessage()); 15027 return; 15028 } 15029 } 15030 15031 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15032 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15033 systemApp = (ps.pkg.applicationInfo.flags & 15034 ApplicationInfo.FLAG_SYSTEM) != 0; 15035 } 15036 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15037 } 15038 15039 // Check whether the newly-scanned package wants to define an already-defined perm 15040 int N = pkg.permissions.size(); 15041 for (int i = N-1; i >= 0; i--) { 15042 PackageParser.Permission perm = pkg.permissions.get(i); 15043 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15044 if (bp != null) { 15045 // If the defining package is signed with our cert, it's okay. This 15046 // also includes the "updating the same package" case, of course. 15047 // "updating same package" could also involve key-rotation. 15048 final boolean sigsOk; 15049 if (bp.sourcePackage.equals(pkg.packageName) 15050 && (bp.packageSetting instanceof PackageSetting) 15051 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15052 scanFlags))) { 15053 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15054 } else { 15055 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15056 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15057 } 15058 if (!sigsOk) { 15059 // If the owning package is the system itself, we log but allow 15060 // install to proceed; we fail the install on all other permission 15061 // redefinitions. 15062 if (!bp.sourcePackage.equals("android")) { 15063 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15064 + pkg.packageName + " attempting to redeclare permission " 15065 + perm.info.name + " already owned by " + bp.sourcePackage); 15066 res.origPermission = perm.info.name; 15067 res.origPackage = bp.sourcePackage; 15068 return; 15069 } else { 15070 Slog.w(TAG, "Package " + pkg.packageName 15071 + " attempting to redeclare system permission " 15072 + perm.info.name + "; ignoring new declaration"); 15073 pkg.permissions.remove(i); 15074 } 15075 } 15076 } 15077 } 15078 } 15079 15080 if (systemApp) { 15081 if (onExternal) { 15082 // Abort update; system app can't be replaced with app on sdcard 15083 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15084 "Cannot install updates to system apps on sdcard"); 15085 return; 15086 } else if (ephemeral) { 15087 // Abort update; system app can't be replaced with an ephemeral app 15088 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15089 "Cannot update a system app with an ephemeral app"); 15090 return; 15091 } 15092 } 15093 15094 if (args.move != null) { 15095 // We did an in-place move, so dex is ready to roll 15096 scanFlags |= SCAN_NO_DEX; 15097 scanFlags |= SCAN_MOVE; 15098 15099 synchronized (mPackages) { 15100 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15101 if (ps == null) { 15102 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15103 "Missing settings for moved package " + pkgName); 15104 } 15105 15106 // We moved the entire application as-is, so bring over the 15107 // previously derived ABI information. 15108 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15109 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15110 } 15111 15112 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15113 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15114 scanFlags |= SCAN_NO_DEX; 15115 15116 try { 15117 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15118 args.abiOverride : pkg.cpuAbiOverride); 15119 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15120 true /* extract libs */); 15121 } catch (PackageManagerException pme) { 15122 Slog.e(TAG, "Error deriving application ABI", pme); 15123 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15124 return; 15125 } 15126 15127 // Shared libraries for the package need to be updated. 15128 synchronized (mPackages) { 15129 try { 15130 updateSharedLibrariesLPw(pkg, null); 15131 } catch (PackageManagerException e) { 15132 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15133 } 15134 } 15135 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15136 // Do not run PackageDexOptimizer through the local performDexOpt 15137 // method because `pkg` is not in `mPackages` yet. 15138 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15139 null /* instructionSets */, false /* checkProfiles */, 15140 getCompilerFilterForReason(REASON_INSTALL)); 15141 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15142 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 15143 String msg = "Extracting package failed for " + pkgName; 15144 res.setError(INSTALL_FAILED_DEXOPT, msg); 15145 return; 15146 } 15147 15148 // Notify BackgroundDexOptService that the package has been changed. 15149 // If this is an update of a package which used to fail to compile, 15150 // BDOS will remove it from its blacklist. 15151 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15152 } 15153 15154 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15155 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15156 return; 15157 } 15158 15159 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15160 15161 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15162 "installPackageLI")) { 15163 if (replace) { 15164 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15165 installerPackageName, res); 15166 } else { 15167 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15168 args.user, installerPackageName, volumeUuid, res); 15169 } 15170 } 15171 synchronized (mPackages) { 15172 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15173 if (ps != null) { 15174 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15175 } 15176 15177 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15178 for (int i = 0; i < childCount; i++) { 15179 PackageParser.Package childPkg = pkg.childPackages.get(i); 15180 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15181 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15182 if (childPs != null) { 15183 childRes.newUsers = childPs.queryInstalledUsers( 15184 sUserManager.getUserIds(), true); 15185 } 15186 } 15187 } 15188 } 15189 15190 private void startIntentFilterVerifications(int userId, boolean replacing, 15191 PackageParser.Package pkg) { 15192 if (mIntentFilterVerifierComponent == null) { 15193 Slog.w(TAG, "No IntentFilter verification will not be done as " 15194 + "there is no IntentFilterVerifier available!"); 15195 return; 15196 } 15197 15198 final int verifierUid = getPackageUid( 15199 mIntentFilterVerifierComponent.getPackageName(), 15200 MATCH_DEBUG_TRIAGED_MISSING, 15201 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15202 15203 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15204 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15205 mHandler.sendMessage(msg); 15206 15207 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15208 for (int i = 0; i < childCount; i++) { 15209 PackageParser.Package childPkg = pkg.childPackages.get(i); 15210 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15211 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15212 mHandler.sendMessage(msg); 15213 } 15214 } 15215 15216 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15217 PackageParser.Package pkg) { 15218 int size = pkg.activities.size(); 15219 if (size == 0) { 15220 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15221 "No activity, so no need to verify any IntentFilter!"); 15222 return; 15223 } 15224 15225 final boolean hasDomainURLs = hasDomainURLs(pkg); 15226 if (!hasDomainURLs) { 15227 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15228 "No domain URLs, so no need to verify any IntentFilter!"); 15229 return; 15230 } 15231 15232 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15233 + " if any IntentFilter from the " + size 15234 + " Activities needs verification ..."); 15235 15236 int count = 0; 15237 final String packageName = pkg.packageName; 15238 15239 synchronized (mPackages) { 15240 // If this is a new install and we see that we've already run verification for this 15241 // package, we have nothing to do: it means the state was restored from backup. 15242 if (!replacing) { 15243 IntentFilterVerificationInfo ivi = 15244 mSettings.getIntentFilterVerificationLPr(packageName); 15245 if (ivi != null) { 15246 if (DEBUG_DOMAIN_VERIFICATION) { 15247 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15248 + ivi.getStatusString()); 15249 } 15250 return; 15251 } 15252 } 15253 15254 // If any filters need to be verified, then all need to be. 15255 boolean needToVerify = false; 15256 for (PackageParser.Activity a : pkg.activities) { 15257 for (ActivityIntentInfo filter : a.intents) { 15258 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15259 if (DEBUG_DOMAIN_VERIFICATION) { 15260 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15261 } 15262 needToVerify = true; 15263 break; 15264 } 15265 } 15266 } 15267 15268 if (needToVerify) { 15269 final int verificationId = mIntentFilterVerificationToken++; 15270 for (PackageParser.Activity a : pkg.activities) { 15271 for (ActivityIntentInfo filter : a.intents) { 15272 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15273 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15274 "Verification needed for IntentFilter:" + filter.toString()); 15275 mIntentFilterVerifier.addOneIntentFilterVerification( 15276 verifierUid, userId, verificationId, filter, packageName); 15277 count++; 15278 } 15279 } 15280 } 15281 } 15282 } 15283 15284 if (count > 0) { 15285 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15286 + " IntentFilter verification" + (count > 1 ? "s" : "") 15287 + " for userId:" + userId); 15288 mIntentFilterVerifier.startVerifications(userId); 15289 } else { 15290 if (DEBUG_DOMAIN_VERIFICATION) { 15291 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15292 } 15293 } 15294 } 15295 15296 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15297 final ComponentName cn = filter.activity.getComponentName(); 15298 final String packageName = cn.getPackageName(); 15299 15300 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15301 packageName); 15302 if (ivi == null) { 15303 return true; 15304 } 15305 int status = ivi.getStatus(); 15306 switch (status) { 15307 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15308 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15309 return true; 15310 15311 default: 15312 // Nothing to do 15313 return false; 15314 } 15315 } 15316 15317 private static boolean isMultiArch(ApplicationInfo info) { 15318 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15319 } 15320 15321 private static boolean isExternal(PackageParser.Package pkg) { 15322 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15323 } 15324 15325 private static boolean isExternal(PackageSetting ps) { 15326 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15327 } 15328 15329 private static boolean isEphemeral(PackageParser.Package pkg) { 15330 return pkg.applicationInfo.isEphemeralApp(); 15331 } 15332 15333 private static boolean isEphemeral(PackageSetting ps) { 15334 return ps.pkg != null && isEphemeral(ps.pkg); 15335 } 15336 15337 private static boolean isSystemApp(PackageParser.Package pkg) { 15338 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15339 } 15340 15341 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15342 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15343 } 15344 15345 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15346 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15347 } 15348 15349 private static boolean isSystemApp(PackageSetting ps) { 15350 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15351 } 15352 15353 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15354 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15355 } 15356 15357 private int packageFlagsToInstallFlags(PackageSetting ps) { 15358 int installFlags = 0; 15359 if (isEphemeral(ps)) { 15360 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15361 } 15362 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15363 // This existing package was an external ASEC install when we have 15364 // the external flag without a UUID 15365 installFlags |= PackageManager.INSTALL_EXTERNAL; 15366 } 15367 if (ps.isForwardLocked()) { 15368 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15369 } 15370 return installFlags; 15371 } 15372 15373 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15374 if (isExternal(pkg)) { 15375 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15376 return StorageManager.UUID_PRIMARY_PHYSICAL; 15377 } else { 15378 return pkg.volumeUuid; 15379 } 15380 } else { 15381 return StorageManager.UUID_PRIVATE_INTERNAL; 15382 } 15383 } 15384 15385 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15386 if (isExternal(pkg)) { 15387 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15388 return mSettings.getExternalVersion(); 15389 } else { 15390 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15391 } 15392 } else { 15393 return mSettings.getInternalVersion(); 15394 } 15395 } 15396 15397 private void deleteTempPackageFiles() { 15398 final FilenameFilter filter = new FilenameFilter() { 15399 public boolean accept(File dir, String name) { 15400 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15401 } 15402 }; 15403 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15404 file.delete(); 15405 } 15406 } 15407 15408 @Override 15409 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15410 int flags) { 15411 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15412 flags); 15413 } 15414 15415 @Override 15416 public void deletePackage(final String packageName, 15417 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15418 mContext.enforceCallingOrSelfPermission( 15419 android.Manifest.permission.DELETE_PACKAGES, null); 15420 Preconditions.checkNotNull(packageName); 15421 Preconditions.checkNotNull(observer); 15422 final int uid = Binder.getCallingUid(); 15423 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15424 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15425 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15426 mContext.enforceCallingOrSelfPermission( 15427 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15428 "deletePackage for user " + userId); 15429 } 15430 15431 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15432 try { 15433 observer.onPackageDeleted(packageName, 15434 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15435 } catch (RemoteException re) { 15436 } 15437 return; 15438 } 15439 15440 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15441 try { 15442 observer.onPackageDeleted(packageName, 15443 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15444 } catch (RemoteException re) { 15445 } 15446 return; 15447 } 15448 15449 if (DEBUG_REMOVE) { 15450 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15451 + " deleteAllUsers: " + deleteAllUsers ); 15452 } 15453 // Queue up an async operation since the package deletion may take a little while. 15454 mHandler.post(new Runnable() { 15455 public void run() { 15456 mHandler.removeCallbacks(this); 15457 int returnCode; 15458 if (!deleteAllUsers) { 15459 returnCode = deletePackageX(packageName, userId, deleteFlags); 15460 } else { 15461 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15462 // If nobody is blocking uninstall, proceed with delete for all users 15463 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15464 returnCode = deletePackageX(packageName, userId, deleteFlags); 15465 } else { 15466 // Otherwise uninstall individually for users with blockUninstalls=false 15467 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15468 for (int userId : users) { 15469 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15470 returnCode = deletePackageX(packageName, userId, userFlags); 15471 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15472 Slog.w(TAG, "Package delete failed for user " + userId 15473 + ", returnCode " + returnCode); 15474 } 15475 } 15476 } 15477 // The app has only been marked uninstalled for certain users. 15478 // We still need to report that delete was blocked 15479 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15480 } 15481 } 15482 try { 15483 observer.onPackageDeleted(packageName, returnCode, null); 15484 } catch (RemoteException e) { 15485 Log.i(TAG, "Observer no longer exists."); 15486 } //end catch 15487 } //end run 15488 }); 15489 } 15490 15491 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15492 int[] result = EMPTY_INT_ARRAY; 15493 for (int userId : userIds) { 15494 if (getBlockUninstallForUser(packageName, userId)) { 15495 result = ArrayUtils.appendInt(result, userId); 15496 } 15497 } 15498 return result; 15499 } 15500 15501 @Override 15502 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15503 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15504 } 15505 15506 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15507 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15508 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15509 try { 15510 if (dpm != null) { 15511 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15512 /* callingUserOnly =*/ false); 15513 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15514 : deviceOwnerComponentName.getPackageName(); 15515 // Does the package contains the device owner? 15516 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15517 // this check is probably not needed, since DO should be registered as a device 15518 // admin on some user too. (Original bug for this: b/17657954) 15519 if (packageName.equals(deviceOwnerPackageName)) { 15520 return true; 15521 } 15522 // Does it contain a device admin for any user? 15523 int[] users; 15524 if (userId == UserHandle.USER_ALL) { 15525 users = sUserManager.getUserIds(); 15526 } else { 15527 users = new int[]{userId}; 15528 } 15529 for (int i = 0; i < users.length; ++i) { 15530 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15531 return true; 15532 } 15533 } 15534 } 15535 } catch (RemoteException e) { 15536 } 15537 return false; 15538 } 15539 15540 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15541 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15542 } 15543 15544 /** 15545 * This method is an internal method that could be get invoked either 15546 * to delete an installed package or to clean up a failed installation. 15547 * After deleting an installed package, a broadcast is sent to notify any 15548 * listeners that the package has been removed. For cleaning up a failed 15549 * installation, the broadcast is not necessary since the package's 15550 * installation wouldn't have sent the initial broadcast either 15551 * The key steps in deleting a package are 15552 * deleting the package information in internal structures like mPackages, 15553 * deleting the packages base directories through installd 15554 * updating mSettings to reflect current status 15555 * persisting settings for later use 15556 * sending a broadcast if necessary 15557 */ 15558 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15559 final PackageRemovedInfo info = new PackageRemovedInfo(); 15560 final boolean res; 15561 15562 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15563 ? UserHandle.ALL : new UserHandle(userId); 15564 15565 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15566 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15567 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15568 } 15569 15570 PackageSetting uninstalledPs = null; 15571 15572 // for the uninstall-updates case and restricted profiles, remember the per- 15573 // user handle installed state 15574 int[] allUsers; 15575 synchronized (mPackages) { 15576 uninstalledPs = mSettings.mPackages.get(packageName); 15577 if (uninstalledPs == null) { 15578 Slog.w(TAG, "Not removing non-existent package " + packageName); 15579 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15580 } 15581 allUsers = sUserManager.getUserIds(); 15582 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15583 } 15584 15585 synchronized (mInstallLock) { 15586 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15587 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15588 "deletePackageX")) { 15589 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15590 deleteFlags | REMOVE_CHATTY, info, true, null); 15591 } 15592 synchronized (mPackages) { 15593 if (res) { 15594 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15595 } 15596 } 15597 } 15598 15599 if (res) { 15600 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15601 info.sendPackageRemovedBroadcasts(killApp); 15602 info.sendSystemPackageUpdatedBroadcasts(); 15603 info.sendSystemPackageAppearedBroadcasts(); 15604 } 15605 // Force a gc here. 15606 Runtime.getRuntime().gc(); 15607 // Delete the resources here after sending the broadcast to let 15608 // other processes clean up before deleting resources. 15609 if (info.args != null) { 15610 synchronized (mInstallLock) { 15611 info.args.doPostDeleteLI(true); 15612 } 15613 } 15614 15615 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15616 } 15617 15618 class PackageRemovedInfo { 15619 String removedPackage; 15620 int uid = -1; 15621 int removedAppId = -1; 15622 int[] origUsers; 15623 int[] removedUsers = null; 15624 boolean isRemovedPackageSystemUpdate = false; 15625 boolean isUpdate; 15626 boolean dataRemoved; 15627 boolean removedForAllUsers; 15628 // Clean up resources deleted packages. 15629 InstallArgs args = null; 15630 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15631 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15632 15633 void sendPackageRemovedBroadcasts(boolean killApp) { 15634 sendPackageRemovedBroadcastInternal(killApp); 15635 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15636 for (int i = 0; i < childCount; i++) { 15637 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15638 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15639 } 15640 } 15641 15642 void sendSystemPackageUpdatedBroadcasts() { 15643 if (isRemovedPackageSystemUpdate) { 15644 sendSystemPackageUpdatedBroadcastsInternal(); 15645 final int childCount = (removedChildPackages != null) 15646 ? removedChildPackages.size() : 0; 15647 for (int i = 0; i < childCount; i++) { 15648 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15649 if (childInfo.isRemovedPackageSystemUpdate) { 15650 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15651 } 15652 } 15653 } 15654 } 15655 15656 void sendSystemPackageAppearedBroadcasts() { 15657 final int packageCount = (appearedChildPackages != null) 15658 ? appearedChildPackages.size() : 0; 15659 for (int i = 0; i < packageCount; i++) { 15660 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15661 for (int userId : installedInfo.newUsers) { 15662 sendPackageAddedForUser(installedInfo.name, true, 15663 UserHandle.getAppId(installedInfo.uid), userId); 15664 } 15665 } 15666 } 15667 15668 private void sendSystemPackageUpdatedBroadcastsInternal() { 15669 Bundle extras = new Bundle(2); 15670 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15671 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15672 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15673 extras, 0, null, null, null); 15674 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15675 extras, 0, null, null, null); 15676 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15677 null, 0, removedPackage, null, null); 15678 } 15679 15680 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15681 Bundle extras = new Bundle(2); 15682 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15683 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15684 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15685 if (isUpdate || isRemovedPackageSystemUpdate) { 15686 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15687 } 15688 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15689 if (removedPackage != null) { 15690 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15691 extras, 0, null, null, removedUsers); 15692 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15693 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15694 removedPackage, extras, 0, null, null, removedUsers); 15695 } 15696 } 15697 if (removedAppId >= 0) { 15698 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15699 removedUsers); 15700 } 15701 } 15702 } 15703 15704 /* 15705 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15706 * flag is not set, the data directory is removed as well. 15707 * make sure this flag is set for partially installed apps. If not its meaningless to 15708 * delete a partially installed application. 15709 */ 15710 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15711 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15712 String packageName = ps.name; 15713 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15714 // Retrieve object to delete permissions for shared user later on 15715 final PackageParser.Package deletedPkg; 15716 final PackageSetting deletedPs; 15717 // reader 15718 synchronized (mPackages) { 15719 deletedPkg = mPackages.get(packageName); 15720 deletedPs = mSettings.mPackages.get(packageName); 15721 if (outInfo != null) { 15722 outInfo.removedPackage = packageName; 15723 outInfo.removedUsers = deletedPs != null 15724 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15725 : null; 15726 } 15727 } 15728 15729 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15730 15731 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15732 final PackageParser.Package resolvedPkg; 15733 if (deletedPkg != null) { 15734 resolvedPkg = deletedPkg; 15735 } else { 15736 // We don't have a parsed package when it lives on an ejected 15737 // adopted storage device, so fake something together 15738 resolvedPkg = new PackageParser.Package(ps.name); 15739 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15740 } 15741 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15742 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15743 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15744 if (outInfo != null) { 15745 outInfo.dataRemoved = true; 15746 } 15747 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15748 } 15749 15750 // writer 15751 synchronized (mPackages) { 15752 if (deletedPs != null) { 15753 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15754 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15755 clearDefaultBrowserIfNeeded(packageName); 15756 if (outInfo != null) { 15757 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15758 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15759 } 15760 updatePermissionsLPw(deletedPs.name, null, 0); 15761 if (deletedPs.sharedUser != null) { 15762 // Remove permissions associated with package. Since runtime 15763 // permissions are per user we have to kill the removed package 15764 // or packages running under the shared user of the removed 15765 // package if revoking the permissions requested only by the removed 15766 // package is successful and this causes a change in gids. 15767 for (int userId : UserManagerService.getInstance().getUserIds()) { 15768 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15769 userId); 15770 if (userIdToKill == UserHandle.USER_ALL 15771 || userIdToKill >= UserHandle.USER_SYSTEM) { 15772 // If gids changed for this user, kill all affected packages. 15773 mHandler.post(new Runnable() { 15774 @Override 15775 public void run() { 15776 // This has to happen with no lock held. 15777 killApplication(deletedPs.name, deletedPs.appId, 15778 KILL_APP_REASON_GIDS_CHANGED); 15779 } 15780 }); 15781 break; 15782 } 15783 } 15784 } 15785 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15786 } 15787 // make sure to preserve per-user disabled state if this removal was just 15788 // a downgrade of a system app to the factory package 15789 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15790 if (DEBUG_REMOVE) { 15791 Slog.d(TAG, "Propagating install state across downgrade"); 15792 } 15793 for (int userId : allUserHandles) { 15794 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15795 if (DEBUG_REMOVE) { 15796 Slog.d(TAG, " user " + userId + " => " + installed); 15797 } 15798 ps.setInstalled(installed, userId); 15799 } 15800 } 15801 } 15802 // can downgrade to reader 15803 if (writeSettings) { 15804 // Save settings now 15805 mSettings.writeLPr(); 15806 } 15807 } 15808 if (outInfo != null) { 15809 // A user ID was deleted here. Go through all users and remove it 15810 // from KeyStore. 15811 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15812 } 15813 } 15814 15815 static boolean locationIsPrivileged(File path) { 15816 try { 15817 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15818 .getCanonicalPath(); 15819 return path.getCanonicalPath().startsWith(privilegedAppDir); 15820 } catch (IOException e) { 15821 Slog.e(TAG, "Unable to access code path " + path); 15822 } 15823 return false; 15824 } 15825 15826 /* 15827 * Tries to delete system package. 15828 */ 15829 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15830 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15831 boolean writeSettings) { 15832 if (deletedPs.parentPackageName != null) { 15833 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15834 return false; 15835 } 15836 15837 final boolean applyUserRestrictions 15838 = (allUserHandles != null) && (outInfo.origUsers != null); 15839 final PackageSetting disabledPs; 15840 // Confirm if the system package has been updated 15841 // An updated system app can be deleted. This will also have to restore 15842 // the system pkg from system partition 15843 // reader 15844 synchronized (mPackages) { 15845 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15846 } 15847 15848 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15849 + " disabledPs=" + disabledPs); 15850 15851 if (disabledPs == null) { 15852 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15853 return false; 15854 } else if (DEBUG_REMOVE) { 15855 Slog.d(TAG, "Deleting system pkg from data partition"); 15856 } 15857 15858 if (DEBUG_REMOVE) { 15859 if (applyUserRestrictions) { 15860 Slog.d(TAG, "Remembering install states:"); 15861 for (int userId : allUserHandles) { 15862 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15863 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15864 } 15865 } 15866 } 15867 15868 // Delete the updated package 15869 outInfo.isRemovedPackageSystemUpdate = true; 15870 if (outInfo.removedChildPackages != null) { 15871 final int childCount = (deletedPs.childPackageNames != null) 15872 ? deletedPs.childPackageNames.size() : 0; 15873 for (int i = 0; i < childCount; i++) { 15874 String childPackageName = deletedPs.childPackageNames.get(i); 15875 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15876 .contains(childPackageName)) { 15877 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15878 childPackageName); 15879 if (childInfo != null) { 15880 childInfo.isRemovedPackageSystemUpdate = true; 15881 } 15882 } 15883 } 15884 } 15885 15886 if (disabledPs.versionCode < deletedPs.versionCode) { 15887 // Delete data for downgrades 15888 flags &= ~PackageManager.DELETE_KEEP_DATA; 15889 } else { 15890 // Preserve data by setting flag 15891 flags |= PackageManager.DELETE_KEEP_DATA; 15892 } 15893 15894 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15895 outInfo, writeSettings, disabledPs.pkg); 15896 if (!ret) { 15897 return false; 15898 } 15899 15900 // writer 15901 synchronized (mPackages) { 15902 // Reinstate the old system package 15903 enableSystemPackageLPw(disabledPs.pkg); 15904 // Remove any native libraries from the upgraded package. 15905 removeNativeBinariesLI(deletedPs); 15906 } 15907 15908 // Install the system package 15909 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15910 int parseFlags = mDefParseFlags 15911 | PackageParser.PARSE_MUST_BE_APK 15912 | PackageParser.PARSE_IS_SYSTEM 15913 | PackageParser.PARSE_IS_SYSTEM_DIR; 15914 if (locationIsPrivileged(disabledPs.codePath)) { 15915 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15916 } 15917 15918 final PackageParser.Package newPkg; 15919 try { 15920 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15921 } catch (PackageManagerException e) { 15922 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15923 + e.getMessage()); 15924 return false; 15925 } 15926 15927 prepareAppDataAfterInstallLIF(newPkg); 15928 15929 // writer 15930 synchronized (mPackages) { 15931 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15932 15933 // Propagate the permissions state as we do not want to drop on the floor 15934 // runtime permissions. The update permissions method below will take 15935 // care of removing obsolete permissions and grant install permissions. 15936 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15937 updatePermissionsLPw(newPkg.packageName, newPkg, 15938 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15939 15940 if (applyUserRestrictions) { 15941 if (DEBUG_REMOVE) { 15942 Slog.d(TAG, "Propagating install state across reinstall"); 15943 } 15944 for (int userId : allUserHandles) { 15945 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15946 if (DEBUG_REMOVE) { 15947 Slog.d(TAG, " user " + userId + " => " + installed); 15948 } 15949 ps.setInstalled(installed, userId); 15950 15951 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15952 } 15953 // Regardless of writeSettings we need to ensure that this restriction 15954 // state propagation is persisted 15955 mSettings.writeAllUsersPackageRestrictionsLPr(); 15956 } 15957 // can downgrade to reader here 15958 if (writeSettings) { 15959 mSettings.writeLPr(); 15960 } 15961 } 15962 return true; 15963 } 15964 15965 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15966 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15967 PackageRemovedInfo outInfo, boolean writeSettings, 15968 PackageParser.Package replacingPackage) { 15969 synchronized (mPackages) { 15970 if (outInfo != null) { 15971 outInfo.uid = ps.appId; 15972 } 15973 15974 if (outInfo != null && outInfo.removedChildPackages != null) { 15975 final int childCount = (ps.childPackageNames != null) 15976 ? ps.childPackageNames.size() : 0; 15977 for (int i = 0; i < childCount; i++) { 15978 String childPackageName = ps.childPackageNames.get(i); 15979 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15980 if (childPs == null) { 15981 return false; 15982 } 15983 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15984 childPackageName); 15985 if (childInfo != null) { 15986 childInfo.uid = childPs.appId; 15987 } 15988 } 15989 } 15990 } 15991 15992 // Delete package data from internal structures and also remove data if flag is set 15993 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15994 15995 // Delete the child packages data 15996 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15997 for (int i = 0; i < childCount; i++) { 15998 PackageSetting childPs; 15999 synchronized (mPackages) { 16000 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16001 } 16002 if (childPs != null) { 16003 PackageRemovedInfo childOutInfo = (outInfo != null 16004 && outInfo.removedChildPackages != null) 16005 ? outInfo.removedChildPackages.get(childPs.name) : null; 16006 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16007 && (replacingPackage != null 16008 && !replacingPackage.hasChildPackage(childPs.name)) 16009 ? flags & ~DELETE_KEEP_DATA : flags; 16010 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16011 deleteFlags, writeSettings); 16012 } 16013 } 16014 16015 // Delete application code and resources only for parent packages 16016 if (ps.parentPackageName == null) { 16017 if (deleteCodeAndResources && (outInfo != null)) { 16018 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16019 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16020 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16021 } 16022 } 16023 16024 return true; 16025 } 16026 16027 @Override 16028 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16029 int userId) { 16030 mContext.enforceCallingOrSelfPermission( 16031 android.Manifest.permission.DELETE_PACKAGES, null); 16032 synchronized (mPackages) { 16033 PackageSetting ps = mSettings.mPackages.get(packageName); 16034 if (ps == null) { 16035 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16036 return false; 16037 } 16038 if (!ps.getInstalled(userId)) { 16039 // Can't block uninstall for an app that is not installed or enabled. 16040 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16041 return false; 16042 } 16043 ps.setBlockUninstall(blockUninstall, userId); 16044 mSettings.writePackageRestrictionsLPr(userId); 16045 } 16046 return true; 16047 } 16048 16049 @Override 16050 public boolean getBlockUninstallForUser(String packageName, int userId) { 16051 synchronized (mPackages) { 16052 PackageSetting ps = mSettings.mPackages.get(packageName); 16053 if (ps == null) { 16054 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16055 return false; 16056 } 16057 return ps.getBlockUninstall(userId); 16058 } 16059 } 16060 16061 @Override 16062 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16063 int callingUid = Binder.getCallingUid(); 16064 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16065 throw new SecurityException( 16066 "setRequiredForSystemUser can only be run by the system or root"); 16067 } 16068 synchronized (mPackages) { 16069 PackageSetting ps = mSettings.mPackages.get(packageName); 16070 if (ps == null) { 16071 Log.w(TAG, "Package doesn't exist: " + packageName); 16072 return false; 16073 } 16074 if (systemUserApp) { 16075 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16076 } else { 16077 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16078 } 16079 mSettings.writeLPr(); 16080 } 16081 return true; 16082 } 16083 16084 /* 16085 * This method handles package deletion in general 16086 */ 16087 private boolean deletePackageLIF(String packageName, UserHandle user, 16088 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16089 PackageRemovedInfo outInfo, boolean writeSettings, 16090 PackageParser.Package replacingPackage) { 16091 if (packageName == null) { 16092 Slog.w(TAG, "Attempt to delete null packageName."); 16093 return false; 16094 } 16095 16096 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16097 16098 PackageSetting ps; 16099 16100 synchronized (mPackages) { 16101 ps = mSettings.mPackages.get(packageName); 16102 if (ps == null) { 16103 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16104 return false; 16105 } 16106 16107 if (ps.parentPackageName != null && (!isSystemApp(ps) 16108 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16109 if (DEBUG_REMOVE) { 16110 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16111 + ((user == null) ? UserHandle.USER_ALL : user)); 16112 } 16113 final int removedUserId = (user != null) ? user.getIdentifier() 16114 : UserHandle.USER_ALL; 16115 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16116 return false; 16117 } 16118 markPackageUninstalledForUserLPw(ps, user); 16119 scheduleWritePackageRestrictionsLocked(user); 16120 return true; 16121 } 16122 } 16123 16124 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16125 && user.getIdentifier() != UserHandle.USER_ALL)) { 16126 // The caller is asking that the package only be deleted for a single 16127 // user. To do this, we just mark its uninstalled state and delete 16128 // its data. If this is a system app, we only allow this to happen if 16129 // they have set the special DELETE_SYSTEM_APP which requests different 16130 // semantics than normal for uninstalling system apps. 16131 markPackageUninstalledForUserLPw(ps, user); 16132 16133 if (!isSystemApp(ps)) { 16134 // Do not uninstall the APK if an app should be cached 16135 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16136 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16137 // Other user still have this package installed, so all 16138 // we need to do is clear this user's data and save that 16139 // it is uninstalled. 16140 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16141 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16142 return false; 16143 } 16144 scheduleWritePackageRestrictionsLocked(user); 16145 return true; 16146 } else { 16147 // We need to set it back to 'installed' so the uninstall 16148 // broadcasts will be sent correctly. 16149 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16150 ps.setInstalled(true, user.getIdentifier()); 16151 } 16152 } else { 16153 // This is a system app, so we assume that the 16154 // other users still have this package installed, so all 16155 // we need to do is clear this user's data and save that 16156 // it is uninstalled. 16157 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16158 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16159 return false; 16160 } 16161 scheduleWritePackageRestrictionsLocked(user); 16162 return true; 16163 } 16164 } 16165 16166 // If we are deleting a composite package for all users, keep track 16167 // of result for each child. 16168 if (ps.childPackageNames != null && outInfo != null) { 16169 synchronized (mPackages) { 16170 final int childCount = ps.childPackageNames.size(); 16171 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16172 for (int i = 0; i < childCount; i++) { 16173 String childPackageName = ps.childPackageNames.get(i); 16174 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16175 childInfo.removedPackage = childPackageName; 16176 outInfo.removedChildPackages.put(childPackageName, childInfo); 16177 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16178 if (childPs != null) { 16179 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16180 } 16181 } 16182 } 16183 } 16184 16185 boolean ret = false; 16186 if (isSystemApp(ps)) { 16187 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16188 // When an updated system application is deleted we delete the existing resources 16189 // as well and fall back to existing code in system partition 16190 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16191 } else { 16192 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16193 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16194 outInfo, writeSettings, replacingPackage); 16195 } 16196 16197 // Take a note whether we deleted the package for all users 16198 if (outInfo != null) { 16199 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16200 if (outInfo.removedChildPackages != null) { 16201 synchronized (mPackages) { 16202 final int childCount = outInfo.removedChildPackages.size(); 16203 for (int i = 0; i < childCount; i++) { 16204 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16205 if (childInfo != null) { 16206 childInfo.removedForAllUsers = mPackages.get( 16207 childInfo.removedPackage) == null; 16208 } 16209 } 16210 } 16211 } 16212 // If we uninstalled an update to a system app there may be some 16213 // child packages that appeared as they are declared in the system 16214 // app but were not declared in the update. 16215 if (isSystemApp(ps)) { 16216 synchronized (mPackages) { 16217 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16218 final int childCount = (updatedPs.childPackageNames != null) 16219 ? updatedPs.childPackageNames.size() : 0; 16220 for (int i = 0; i < childCount; i++) { 16221 String childPackageName = updatedPs.childPackageNames.get(i); 16222 if (outInfo.removedChildPackages == null 16223 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16224 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16225 if (childPs == null) { 16226 continue; 16227 } 16228 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16229 installRes.name = childPackageName; 16230 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16231 installRes.pkg = mPackages.get(childPackageName); 16232 installRes.uid = childPs.pkg.applicationInfo.uid; 16233 if (outInfo.appearedChildPackages == null) { 16234 outInfo.appearedChildPackages = new ArrayMap<>(); 16235 } 16236 outInfo.appearedChildPackages.put(childPackageName, installRes); 16237 } 16238 } 16239 } 16240 } 16241 } 16242 16243 return ret; 16244 } 16245 16246 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16247 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16248 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16249 for (int nextUserId : userIds) { 16250 if (DEBUG_REMOVE) { 16251 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16252 } 16253 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16254 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16255 false /*hidden*/, false /*suspended*/, null, null, null, 16256 false /*blockUninstall*/, 16257 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16258 } 16259 } 16260 16261 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16262 PackageRemovedInfo outInfo) { 16263 final PackageParser.Package pkg; 16264 synchronized (mPackages) { 16265 pkg = mPackages.get(ps.name); 16266 } 16267 16268 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16269 : new int[] {userId}; 16270 for (int nextUserId : userIds) { 16271 if (DEBUG_REMOVE) { 16272 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16273 + nextUserId); 16274 } 16275 16276 destroyAppDataLIF(pkg, userId, 16277 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16278 destroyAppProfilesLIF(pkg, userId); 16279 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16280 schedulePackageCleaning(ps.name, nextUserId, false); 16281 synchronized (mPackages) { 16282 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16283 scheduleWritePackageRestrictionsLocked(nextUserId); 16284 } 16285 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16286 } 16287 } 16288 16289 if (outInfo != null) { 16290 outInfo.removedPackage = ps.name; 16291 outInfo.removedAppId = ps.appId; 16292 outInfo.removedUsers = userIds; 16293 } 16294 16295 return true; 16296 } 16297 16298 private final class ClearStorageConnection implements ServiceConnection { 16299 IMediaContainerService mContainerService; 16300 16301 @Override 16302 public void onServiceConnected(ComponentName name, IBinder service) { 16303 synchronized (this) { 16304 mContainerService = IMediaContainerService.Stub.asInterface(service); 16305 notifyAll(); 16306 } 16307 } 16308 16309 @Override 16310 public void onServiceDisconnected(ComponentName name) { 16311 } 16312 } 16313 16314 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16315 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16316 16317 final boolean mounted; 16318 if (Environment.isExternalStorageEmulated()) { 16319 mounted = true; 16320 } else { 16321 final String status = Environment.getExternalStorageState(); 16322 16323 mounted = status.equals(Environment.MEDIA_MOUNTED) 16324 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16325 } 16326 16327 if (!mounted) { 16328 return; 16329 } 16330 16331 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16332 int[] users; 16333 if (userId == UserHandle.USER_ALL) { 16334 users = sUserManager.getUserIds(); 16335 } else { 16336 users = new int[] { userId }; 16337 } 16338 final ClearStorageConnection conn = new ClearStorageConnection(); 16339 if (mContext.bindServiceAsUser( 16340 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16341 try { 16342 for (int curUser : users) { 16343 long timeout = SystemClock.uptimeMillis() + 5000; 16344 synchronized (conn) { 16345 long now; 16346 while (conn.mContainerService == null && 16347 (now = SystemClock.uptimeMillis()) < timeout) { 16348 try { 16349 conn.wait(timeout - now); 16350 } catch (InterruptedException e) { 16351 } 16352 } 16353 } 16354 if (conn.mContainerService == null) { 16355 return; 16356 } 16357 16358 final UserEnvironment userEnv = new UserEnvironment(curUser); 16359 clearDirectory(conn.mContainerService, 16360 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16361 if (allData) { 16362 clearDirectory(conn.mContainerService, 16363 userEnv.buildExternalStorageAppDataDirs(packageName)); 16364 clearDirectory(conn.mContainerService, 16365 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16366 } 16367 } 16368 } finally { 16369 mContext.unbindService(conn); 16370 } 16371 } 16372 } 16373 16374 @Override 16375 public void clearApplicationProfileData(String packageName) { 16376 enforceSystemOrRoot("Only the system can clear all profile data"); 16377 16378 final PackageParser.Package pkg; 16379 synchronized (mPackages) { 16380 pkg = mPackages.get(packageName); 16381 } 16382 16383 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16384 synchronized (mInstallLock) { 16385 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16386 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16387 true /* removeBaseMarker */); 16388 } 16389 } 16390 } 16391 16392 @Override 16393 public void clearApplicationUserData(final String packageName, 16394 final IPackageDataObserver observer, final int userId) { 16395 mContext.enforceCallingOrSelfPermission( 16396 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16397 16398 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16399 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16400 16401 if (mProtectedPackages.canPackageBeWiped(userId, packageName)) { 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. 17729 if (mProtectedPackages.canPackageStateBeChanged(userId, packageName)) { 17730 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17731 } 17732 } 17733 17734 synchronized (mPackages) { 17735 if (uid == Process.SHELL_UID) { 17736 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17737 int oldState = pkgSetting.getEnabled(userId); 17738 if (className == null 17739 && 17740 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17741 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17742 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17743 && 17744 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17745 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17746 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17747 // ok 17748 } else { 17749 throw new SecurityException( 17750 "Shell cannot change component state for " + packageName + "/" 17751 + className + " to " + newState); 17752 } 17753 } 17754 if (className == null) { 17755 // We're dealing with an application/package level state change 17756 if (pkgSetting.getEnabled(userId) == newState) { 17757 // Nothing to do 17758 return; 17759 } 17760 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17761 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17762 // Don't care about who enables an app. 17763 callingPackage = null; 17764 } 17765 pkgSetting.setEnabled(newState, userId, callingPackage); 17766 // pkgSetting.pkg.mSetEnabled = newState; 17767 } else { 17768 // We're dealing with a component level state change 17769 // First, verify that this is a valid class name. 17770 PackageParser.Package pkg = pkgSetting.pkg; 17771 if (pkg == null || !pkg.hasComponentClassName(className)) { 17772 if (pkg != null && 17773 pkg.applicationInfo.targetSdkVersion >= 17774 Build.VERSION_CODES.JELLY_BEAN) { 17775 throw new IllegalArgumentException("Component class " + className 17776 + " does not exist in " + packageName); 17777 } else { 17778 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17779 + className + " does not exist in " + packageName); 17780 } 17781 } 17782 switch (newState) { 17783 case COMPONENT_ENABLED_STATE_ENABLED: 17784 if (!pkgSetting.enableComponentLPw(className, userId)) { 17785 return; 17786 } 17787 break; 17788 case COMPONENT_ENABLED_STATE_DISABLED: 17789 if (!pkgSetting.disableComponentLPw(className, userId)) { 17790 return; 17791 } 17792 break; 17793 case COMPONENT_ENABLED_STATE_DEFAULT: 17794 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17795 return; 17796 } 17797 break; 17798 default: 17799 Slog.e(TAG, "Invalid new component state: " + newState); 17800 return; 17801 } 17802 } 17803 scheduleWritePackageRestrictionsLocked(userId); 17804 components = mPendingBroadcasts.get(userId, packageName); 17805 final boolean newPackage = components == null; 17806 if (newPackage) { 17807 components = new ArrayList<String>(); 17808 } 17809 if (!components.contains(componentName)) { 17810 components.add(componentName); 17811 } 17812 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17813 sendNow = true; 17814 // Purge entry from pending broadcast list if another one exists already 17815 // since we are sending one right away. 17816 mPendingBroadcasts.remove(userId, packageName); 17817 } else { 17818 if (newPackage) { 17819 mPendingBroadcasts.put(userId, packageName, components); 17820 } 17821 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17822 // Schedule a message 17823 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17824 } 17825 } 17826 } 17827 17828 long callingId = Binder.clearCallingIdentity(); 17829 try { 17830 if (sendNow) { 17831 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17832 sendPackageChangedBroadcast(packageName, 17833 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17834 } 17835 } finally { 17836 Binder.restoreCallingIdentity(callingId); 17837 } 17838 } 17839 17840 @Override 17841 public void flushPackageRestrictionsAsUser(int userId) { 17842 if (!sUserManager.exists(userId)) { 17843 return; 17844 } 17845 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17846 false /* checkShell */, "flushPackageRestrictions"); 17847 synchronized (mPackages) { 17848 mSettings.writePackageRestrictionsLPr(userId); 17849 mDirtyUsers.remove(userId); 17850 if (mDirtyUsers.isEmpty()) { 17851 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17852 } 17853 } 17854 } 17855 17856 private void sendPackageChangedBroadcast(String packageName, 17857 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17858 if (DEBUG_INSTALL) 17859 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17860 + componentNames); 17861 Bundle extras = new Bundle(4); 17862 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17863 String nameList[] = new String[componentNames.size()]; 17864 componentNames.toArray(nameList); 17865 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17866 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17867 extras.putInt(Intent.EXTRA_UID, packageUid); 17868 // If this is not reporting a change of the overall package, then only send it 17869 // to registered receivers. We don't want to launch a swath of apps for every 17870 // little component state change. 17871 final int flags = !componentNames.contains(packageName) 17872 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17873 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17874 new int[] {UserHandle.getUserId(packageUid)}); 17875 } 17876 17877 @Override 17878 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17879 if (!sUserManager.exists(userId)) return; 17880 final int uid = Binder.getCallingUid(); 17881 final int permission = mContext.checkCallingOrSelfPermission( 17882 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17883 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17884 enforceCrossUserPermission(uid, userId, 17885 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17886 // writer 17887 synchronized (mPackages) { 17888 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17889 allowedByPermission, uid, userId)) { 17890 scheduleWritePackageRestrictionsLocked(userId); 17891 } 17892 } 17893 } 17894 17895 @Override 17896 public String getInstallerPackageName(String packageName) { 17897 // reader 17898 synchronized (mPackages) { 17899 return mSettings.getInstallerPackageNameLPr(packageName); 17900 } 17901 } 17902 17903 public boolean isOrphaned(String packageName) { 17904 // reader 17905 synchronized (mPackages) { 17906 return mSettings.isOrphaned(packageName); 17907 } 17908 } 17909 17910 @Override 17911 public int getApplicationEnabledSetting(String packageName, int userId) { 17912 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17913 int uid = Binder.getCallingUid(); 17914 enforceCrossUserPermission(uid, userId, 17915 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17916 // reader 17917 synchronized (mPackages) { 17918 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17919 } 17920 } 17921 17922 @Override 17923 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17924 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17925 int uid = Binder.getCallingUid(); 17926 enforceCrossUserPermission(uid, userId, 17927 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17928 // reader 17929 synchronized (mPackages) { 17930 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17931 } 17932 } 17933 17934 @Override 17935 public void enterSafeMode() { 17936 enforceSystemOrRoot("Only the system can request entering safe mode"); 17937 17938 if (!mSystemReady) { 17939 mSafeMode = true; 17940 } 17941 } 17942 17943 @Override 17944 public void systemReady() { 17945 mSystemReady = true; 17946 17947 // Read the compatibilty setting when the system is ready. 17948 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17949 mContext.getContentResolver(), 17950 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17951 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17952 if (DEBUG_SETTINGS) { 17953 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17954 } 17955 17956 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17957 17958 synchronized (mPackages) { 17959 // Verify that all of the preferred activity components actually 17960 // exist. It is possible for applications to be updated and at 17961 // that point remove a previously declared activity component that 17962 // had been set as a preferred activity. We try to clean this up 17963 // the next time we encounter that preferred activity, but it is 17964 // possible for the user flow to never be able to return to that 17965 // situation so here we do a sanity check to make sure we haven't 17966 // left any junk around. 17967 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17968 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17969 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17970 removed.clear(); 17971 for (PreferredActivity pa : pir.filterSet()) { 17972 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17973 removed.add(pa); 17974 } 17975 } 17976 if (removed.size() > 0) { 17977 for (int r=0; r<removed.size(); r++) { 17978 PreferredActivity pa = removed.get(r); 17979 Slog.w(TAG, "Removing dangling preferred activity: " 17980 + pa.mPref.mComponent); 17981 pir.removeFilter(pa); 17982 } 17983 mSettings.writePackageRestrictionsLPr( 17984 mSettings.mPreferredActivities.keyAt(i)); 17985 } 17986 } 17987 17988 for (int userId : UserManagerService.getInstance().getUserIds()) { 17989 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17990 grantPermissionsUserIds = ArrayUtils.appendInt( 17991 grantPermissionsUserIds, userId); 17992 } 17993 } 17994 } 17995 sUserManager.systemReady(); 17996 17997 // If we upgraded grant all default permissions before kicking off. 17998 for (int userId : grantPermissionsUserIds) { 17999 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18000 } 18001 18002 // Kick off any messages waiting for system ready 18003 if (mPostSystemReadyMessages != null) { 18004 for (Message msg : mPostSystemReadyMessages) { 18005 msg.sendToTarget(); 18006 } 18007 mPostSystemReadyMessages = null; 18008 } 18009 18010 // Watch for external volumes that come and go over time 18011 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18012 storage.registerListener(mStorageListener); 18013 18014 mInstallerService.systemReady(); 18015 mPackageDexOptimizer.systemReady(); 18016 18017 MountServiceInternal mountServiceInternal = LocalServices.getService( 18018 MountServiceInternal.class); 18019 mountServiceInternal.addExternalStoragePolicy( 18020 new MountServiceInternal.ExternalStorageMountPolicy() { 18021 @Override 18022 public int getMountMode(int uid, String packageName) { 18023 if (Process.isIsolated(uid)) { 18024 return Zygote.MOUNT_EXTERNAL_NONE; 18025 } 18026 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18027 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18028 } 18029 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18030 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18031 } 18032 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18033 return Zygote.MOUNT_EXTERNAL_READ; 18034 } 18035 return Zygote.MOUNT_EXTERNAL_WRITE; 18036 } 18037 18038 @Override 18039 public boolean hasExternalStorage(int uid, String packageName) { 18040 return true; 18041 } 18042 }); 18043 18044 // Now that we're mostly running, clean up stale users and apps 18045 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18046 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18047 } 18048 18049 @Override 18050 public boolean isSafeMode() { 18051 return mSafeMode; 18052 } 18053 18054 @Override 18055 public boolean hasSystemUidErrors() { 18056 return mHasSystemUidErrors; 18057 } 18058 18059 static String arrayToString(int[] array) { 18060 StringBuffer buf = new StringBuffer(128); 18061 buf.append('['); 18062 if (array != null) { 18063 for (int i=0; i<array.length; i++) { 18064 if (i > 0) buf.append(", "); 18065 buf.append(array[i]); 18066 } 18067 } 18068 buf.append(']'); 18069 return buf.toString(); 18070 } 18071 18072 static class DumpState { 18073 public static final int DUMP_LIBS = 1 << 0; 18074 public static final int DUMP_FEATURES = 1 << 1; 18075 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18076 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18077 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18078 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18079 public static final int DUMP_PERMISSIONS = 1 << 6; 18080 public static final int DUMP_PACKAGES = 1 << 7; 18081 public static final int DUMP_SHARED_USERS = 1 << 8; 18082 public static final int DUMP_MESSAGES = 1 << 9; 18083 public static final int DUMP_PROVIDERS = 1 << 10; 18084 public static final int DUMP_VERIFIERS = 1 << 11; 18085 public static final int DUMP_PREFERRED = 1 << 12; 18086 public static final int DUMP_PREFERRED_XML = 1 << 13; 18087 public static final int DUMP_KEYSETS = 1 << 14; 18088 public static final int DUMP_VERSION = 1 << 15; 18089 public static final int DUMP_INSTALLS = 1 << 16; 18090 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18091 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18092 public static final int DUMP_FROZEN = 1 << 19; 18093 public static final int DUMP_DEXOPT = 1 << 20; 18094 18095 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18096 18097 private int mTypes; 18098 18099 private int mOptions; 18100 18101 private boolean mTitlePrinted; 18102 18103 private SharedUserSetting mSharedUser; 18104 18105 public boolean isDumping(int type) { 18106 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18107 return true; 18108 } 18109 18110 return (mTypes & type) != 0; 18111 } 18112 18113 public void setDump(int type) { 18114 mTypes |= type; 18115 } 18116 18117 public boolean isOptionEnabled(int option) { 18118 return (mOptions & option) != 0; 18119 } 18120 18121 public void setOptionEnabled(int option) { 18122 mOptions |= option; 18123 } 18124 18125 public boolean onTitlePrinted() { 18126 final boolean printed = mTitlePrinted; 18127 mTitlePrinted = true; 18128 return printed; 18129 } 18130 18131 public boolean getTitlePrinted() { 18132 return mTitlePrinted; 18133 } 18134 18135 public void setTitlePrinted(boolean enabled) { 18136 mTitlePrinted = enabled; 18137 } 18138 18139 public SharedUserSetting getSharedUser() { 18140 return mSharedUser; 18141 } 18142 18143 public void setSharedUser(SharedUserSetting user) { 18144 mSharedUser = user; 18145 } 18146 } 18147 18148 @Override 18149 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18150 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18151 (new PackageManagerShellCommand(this)).exec( 18152 this, in, out, err, args, resultReceiver); 18153 } 18154 18155 @Override 18156 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18157 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18158 != PackageManager.PERMISSION_GRANTED) { 18159 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18160 + Binder.getCallingPid() 18161 + ", uid=" + Binder.getCallingUid() 18162 + " without permission " 18163 + android.Manifest.permission.DUMP); 18164 return; 18165 } 18166 18167 DumpState dumpState = new DumpState(); 18168 boolean fullPreferred = false; 18169 boolean checkin = false; 18170 18171 String packageName = null; 18172 ArraySet<String> permissionNames = null; 18173 18174 int opti = 0; 18175 while (opti < args.length) { 18176 String opt = args[opti]; 18177 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18178 break; 18179 } 18180 opti++; 18181 18182 if ("-a".equals(opt)) { 18183 // Right now we only know how to print all. 18184 } else if ("-h".equals(opt)) { 18185 pw.println("Package manager dump options:"); 18186 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18187 pw.println(" --checkin: dump for a checkin"); 18188 pw.println(" -f: print details of intent filters"); 18189 pw.println(" -h: print this help"); 18190 pw.println(" cmd may be one of:"); 18191 pw.println(" l[ibraries]: list known shared libraries"); 18192 pw.println(" f[eatures]: list device features"); 18193 pw.println(" k[eysets]: print known keysets"); 18194 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18195 pw.println(" perm[issions]: dump permissions"); 18196 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18197 pw.println(" pref[erred]: print preferred package settings"); 18198 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18199 pw.println(" prov[iders]: dump content providers"); 18200 pw.println(" p[ackages]: dump installed packages"); 18201 pw.println(" s[hared-users]: dump shared user IDs"); 18202 pw.println(" m[essages]: print collected runtime messages"); 18203 pw.println(" v[erifiers]: print package verifier info"); 18204 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18205 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18206 pw.println(" version: print database version info"); 18207 pw.println(" write: write current settings now"); 18208 pw.println(" installs: details about install sessions"); 18209 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18210 pw.println(" dexopt: dump dexopt state"); 18211 pw.println(" <package.name>: info about given package"); 18212 return; 18213 } else if ("--checkin".equals(opt)) { 18214 checkin = true; 18215 } else if ("-f".equals(opt)) { 18216 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18217 } else { 18218 pw.println("Unknown argument: " + opt + "; use -h for help"); 18219 } 18220 } 18221 18222 // Is the caller requesting to dump a particular piece of data? 18223 if (opti < args.length) { 18224 String cmd = args[opti]; 18225 opti++; 18226 // Is this a package name? 18227 if ("android".equals(cmd) || cmd.contains(".")) { 18228 packageName = cmd; 18229 // When dumping a single package, we always dump all of its 18230 // filter information since the amount of data will be reasonable. 18231 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18232 } else if ("check-permission".equals(cmd)) { 18233 if (opti >= args.length) { 18234 pw.println("Error: check-permission missing permission argument"); 18235 return; 18236 } 18237 String perm = args[opti]; 18238 opti++; 18239 if (opti >= args.length) { 18240 pw.println("Error: check-permission missing package argument"); 18241 return; 18242 } 18243 String pkg = args[opti]; 18244 opti++; 18245 int user = UserHandle.getUserId(Binder.getCallingUid()); 18246 if (opti < args.length) { 18247 try { 18248 user = Integer.parseInt(args[opti]); 18249 } catch (NumberFormatException e) { 18250 pw.println("Error: check-permission user argument is not a number: " 18251 + args[opti]); 18252 return; 18253 } 18254 } 18255 pw.println(checkPermission(perm, pkg, user)); 18256 return; 18257 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18258 dumpState.setDump(DumpState.DUMP_LIBS); 18259 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18260 dumpState.setDump(DumpState.DUMP_FEATURES); 18261 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18262 if (opti >= args.length) { 18263 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18264 | DumpState.DUMP_SERVICE_RESOLVERS 18265 | DumpState.DUMP_RECEIVER_RESOLVERS 18266 | DumpState.DUMP_CONTENT_RESOLVERS); 18267 } else { 18268 while (opti < args.length) { 18269 String name = args[opti]; 18270 if ("a".equals(name) || "activity".equals(name)) { 18271 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18272 } else if ("s".equals(name) || "service".equals(name)) { 18273 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18274 } else if ("r".equals(name) || "receiver".equals(name)) { 18275 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18276 } else if ("c".equals(name) || "content".equals(name)) { 18277 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18278 } else { 18279 pw.println("Error: unknown resolver table type: " + name); 18280 return; 18281 } 18282 opti++; 18283 } 18284 } 18285 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18286 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18287 } else if ("permission".equals(cmd)) { 18288 if (opti >= args.length) { 18289 pw.println("Error: permission requires permission name"); 18290 return; 18291 } 18292 permissionNames = new ArraySet<>(); 18293 while (opti < args.length) { 18294 permissionNames.add(args[opti]); 18295 opti++; 18296 } 18297 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18298 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18299 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18300 dumpState.setDump(DumpState.DUMP_PREFERRED); 18301 } else if ("preferred-xml".equals(cmd)) { 18302 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18303 if (opti < args.length && "--full".equals(args[opti])) { 18304 fullPreferred = true; 18305 opti++; 18306 } 18307 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18308 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18309 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18310 dumpState.setDump(DumpState.DUMP_PACKAGES); 18311 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18312 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18313 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18314 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18315 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18316 dumpState.setDump(DumpState.DUMP_MESSAGES); 18317 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18318 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18319 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18320 || "intent-filter-verifiers".equals(cmd)) { 18321 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18322 } else if ("version".equals(cmd)) { 18323 dumpState.setDump(DumpState.DUMP_VERSION); 18324 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18325 dumpState.setDump(DumpState.DUMP_KEYSETS); 18326 } else if ("installs".equals(cmd)) { 18327 dumpState.setDump(DumpState.DUMP_INSTALLS); 18328 } else if ("frozen".equals(cmd)) { 18329 dumpState.setDump(DumpState.DUMP_FROZEN); 18330 } else if ("dexopt".equals(cmd)) { 18331 dumpState.setDump(DumpState.DUMP_DEXOPT); 18332 } else if ("write".equals(cmd)) { 18333 synchronized (mPackages) { 18334 mSettings.writeLPr(); 18335 pw.println("Settings written."); 18336 return; 18337 } 18338 } 18339 } 18340 18341 if (checkin) { 18342 pw.println("vers,1"); 18343 } 18344 18345 // reader 18346 synchronized (mPackages) { 18347 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18348 if (!checkin) { 18349 if (dumpState.onTitlePrinted()) 18350 pw.println(); 18351 pw.println("Database versions:"); 18352 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18353 } 18354 } 18355 18356 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18357 if (!checkin) { 18358 if (dumpState.onTitlePrinted()) 18359 pw.println(); 18360 pw.println("Verifiers:"); 18361 pw.print(" Required: "); 18362 pw.print(mRequiredVerifierPackage); 18363 pw.print(" (uid="); 18364 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18365 UserHandle.USER_SYSTEM)); 18366 pw.println(")"); 18367 } else if (mRequiredVerifierPackage != null) { 18368 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18369 pw.print(","); 18370 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18371 UserHandle.USER_SYSTEM)); 18372 } 18373 } 18374 18375 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18376 packageName == null) { 18377 if (mIntentFilterVerifierComponent != null) { 18378 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18379 if (!checkin) { 18380 if (dumpState.onTitlePrinted()) 18381 pw.println(); 18382 pw.println("Intent Filter Verifier:"); 18383 pw.print(" Using: "); 18384 pw.print(verifierPackageName); 18385 pw.print(" (uid="); 18386 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18387 UserHandle.USER_SYSTEM)); 18388 pw.println(")"); 18389 } else if (verifierPackageName != null) { 18390 pw.print("ifv,"); pw.print(verifierPackageName); 18391 pw.print(","); 18392 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18393 UserHandle.USER_SYSTEM)); 18394 } 18395 } else { 18396 pw.println(); 18397 pw.println("No Intent Filter Verifier available!"); 18398 } 18399 } 18400 18401 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18402 boolean printedHeader = false; 18403 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18404 while (it.hasNext()) { 18405 String name = it.next(); 18406 SharedLibraryEntry ent = mSharedLibraries.get(name); 18407 if (!checkin) { 18408 if (!printedHeader) { 18409 if (dumpState.onTitlePrinted()) 18410 pw.println(); 18411 pw.println("Libraries:"); 18412 printedHeader = true; 18413 } 18414 pw.print(" "); 18415 } else { 18416 pw.print("lib,"); 18417 } 18418 pw.print(name); 18419 if (!checkin) { 18420 pw.print(" -> "); 18421 } 18422 if (ent.path != null) { 18423 if (!checkin) { 18424 pw.print("(jar) "); 18425 pw.print(ent.path); 18426 } else { 18427 pw.print(",jar,"); 18428 pw.print(ent.path); 18429 } 18430 } else { 18431 if (!checkin) { 18432 pw.print("(apk) "); 18433 pw.print(ent.apk); 18434 } else { 18435 pw.print(",apk,"); 18436 pw.print(ent.apk); 18437 } 18438 } 18439 pw.println(); 18440 } 18441 } 18442 18443 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18444 if (dumpState.onTitlePrinted()) 18445 pw.println(); 18446 if (!checkin) { 18447 pw.println("Features:"); 18448 } 18449 18450 for (FeatureInfo feat : mAvailableFeatures.values()) { 18451 if (checkin) { 18452 pw.print("feat,"); 18453 pw.print(feat.name); 18454 pw.print(","); 18455 pw.println(feat.version); 18456 } else { 18457 pw.print(" "); 18458 pw.print(feat.name); 18459 if (feat.version > 0) { 18460 pw.print(" version="); 18461 pw.print(feat.version); 18462 } 18463 pw.println(); 18464 } 18465 } 18466 } 18467 18468 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18469 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18470 : "Activity Resolver Table:", " ", packageName, 18471 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18472 dumpState.setTitlePrinted(true); 18473 } 18474 } 18475 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18476 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18477 : "Receiver Resolver Table:", " ", packageName, 18478 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18479 dumpState.setTitlePrinted(true); 18480 } 18481 } 18482 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18483 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18484 : "Service Resolver Table:", " ", packageName, 18485 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18486 dumpState.setTitlePrinted(true); 18487 } 18488 } 18489 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18490 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18491 : "Provider Resolver Table:", " ", packageName, 18492 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18493 dumpState.setTitlePrinted(true); 18494 } 18495 } 18496 18497 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18498 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18499 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18500 int user = mSettings.mPreferredActivities.keyAt(i); 18501 if (pir.dump(pw, 18502 dumpState.getTitlePrinted() 18503 ? "\nPreferred Activities User " + user + ":" 18504 : "Preferred Activities User " + user + ":", " ", 18505 packageName, true, false)) { 18506 dumpState.setTitlePrinted(true); 18507 } 18508 } 18509 } 18510 18511 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18512 pw.flush(); 18513 FileOutputStream fout = new FileOutputStream(fd); 18514 BufferedOutputStream str = new BufferedOutputStream(fout); 18515 XmlSerializer serializer = new FastXmlSerializer(); 18516 try { 18517 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18518 serializer.startDocument(null, true); 18519 serializer.setFeature( 18520 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18521 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18522 serializer.endDocument(); 18523 serializer.flush(); 18524 } catch (IllegalArgumentException e) { 18525 pw.println("Failed writing: " + e); 18526 } catch (IllegalStateException e) { 18527 pw.println("Failed writing: " + e); 18528 } catch (IOException e) { 18529 pw.println("Failed writing: " + e); 18530 } 18531 } 18532 18533 if (!checkin 18534 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18535 && packageName == null) { 18536 pw.println(); 18537 int count = mSettings.mPackages.size(); 18538 if (count == 0) { 18539 pw.println("No applications!"); 18540 pw.println(); 18541 } else { 18542 final String prefix = " "; 18543 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18544 if (allPackageSettings.size() == 0) { 18545 pw.println("No domain preferred apps!"); 18546 pw.println(); 18547 } else { 18548 pw.println("App verification status:"); 18549 pw.println(); 18550 count = 0; 18551 for (PackageSetting ps : allPackageSettings) { 18552 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18553 if (ivi == null || ivi.getPackageName() == null) continue; 18554 pw.println(prefix + "Package: " + ivi.getPackageName()); 18555 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18556 pw.println(prefix + "Status: " + ivi.getStatusString()); 18557 pw.println(); 18558 count++; 18559 } 18560 if (count == 0) { 18561 pw.println(prefix + "No app verification established."); 18562 pw.println(); 18563 } 18564 for (int userId : sUserManager.getUserIds()) { 18565 pw.println("App linkages for user " + userId + ":"); 18566 pw.println(); 18567 count = 0; 18568 for (PackageSetting ps : allPackageSettings) { 18569 final long status = ps.getDomainVerificationStatusForUser(userId); 18570 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18571 continue; 18572 } 18573 pw.println(prefix + "Package: " + ps.name); 18574 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18575 String statusStr = IntentFilterVerificationInfo. 18576 getStatusStringFromValue(status); 18577 pw.println(prefix + "Status: " + statusStr); 18578 pw.println(); 18579 count++; 18580 } 18581 if (count == 0) { 18582 pw.println(prefix + "No configured app linkages."); 18583 pw.println(); 18584 } 18585 } 18586 } 18587 } 18588 } 18589 18590 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18591 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18592 if (packageName == null && permissionNames == null) { 18593 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18594 if (iperm == 0) { 18595 if (dumpState.onTitlePrinted()) 18596 pw.println(); 18597 pw.println("AppOp Permissions:"); 18598 } 18599 pw.print(" AppOp Permission "); 18600 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18601 pw.println(":"); 18602 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18603 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18604 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18605 } 18606 } 18607 } 18608 } 18609 18610 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18611 boolean printedSomething = false; 18612 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18613 if (packageName != null && !packageName.equals(p.info.packageName)) { 18614 continue; 18615 } 18616 if (!printedSomething) { 18617 if (dumpState.onTitlePrinted()) 18618 pw.println(); 18619 pw.println("Registered ContentProviders:"); 18620 printedSomething = true; 18621 } 18622 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18623 pw.print(" "); pw.println(p.toString()); 18624 } 18625 printedSomething = false; 18626 for (Map.Entry<String, PackageParser.Provider> entry : 18627 mProvidersByAuthority.entrySet()) { 18628 PackageParser.Provider p = entry.getValue(); 18629 if (packageName != null && !packageName.equals(p.info.packageName)) { 18630 continue; 18631 } 18632 if (!printedSomething) { 18633 if (dumpState.onTitlePrinted()) 18634 pw.println(); 18635 pw.println("ContentProvider Authorities:"); 18636 printedSomething = true; 18637 } 18638 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18639 pw.print(" "); pw.println(p.toString()); 18640 if (p.info != null && p.info.applicationInfo != null) { 18641 final String appInfo = p.info.applicationInfo.toString(); 18642 pw.print(" applicationInfo="); pw.println(appInfo); 18643 } 18644 } 18645 } 18646 18647 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18648 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18649 } 18650 18651 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18652 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18653 } 18654 18655 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18656 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18657 } 18658 18659 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18660 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18661 } 18662 18663 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18664 // XXX should handle packageName != null by dumping only install data that 18665 // the given package is involved with. 18666 if (dumpState.onTitlePrinted()) pw.println(); 18667 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18668 } 18669 18670 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18671 // XXX should handle packageName != null by dumping only install data that 18672 // the given package is involved with. 18673 if (dumpState.onTitlePrinted()) pw.println(); 18674 18675 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18676 ipw.println(); 18677 ipw.println("Frozen packages:"); 18678 ipw.increaseIndent(); 18679 if (mFrozenPackages.size() == 0) { 18680 ipw.println("(none)"); 18681 } else { 18682 for (int i = 0; i < mFrozenPackages.size(); i++) { 18683 ipw.println(mFrozenPackages.valueAt(i)); 18684 } 18685 } 18686 ipw.decreaseIndent(); 18687 } 18688 18689 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18690 if (dumpState.onTitlePrinted()) pw.println(); 18691 dumpDexoptStateLPr(pw, packageName); 18692 } 18693 18694 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18695 if (dumpState.onTitlePrinted()) pw.println(); 18696 mSettings.dumpReadMessagesLPr(pw, dumpState); 18697 18698 pw.println(); 18699 pw.println("Package warning messages:"); 18700 BufferedReader in = null; 18701 String line = null; 18702 try { 18703 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18704 while ((line = in.readLine()) != null) { 18705 if (line.contains("ignored: updated version")) continue; 18706 pw.println(line); 18707 } 18708 } catch (IOException ignored) { 18709 } finally { 18710 IoUtils.closeQuietly(in); 18711 } 18712 } 18713 18714 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18715 BufferedReader in = null; 18716 String line = null; 18717 try { 18718 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18719 while ((line = in.readLine()) != null) { 18720 if (line.contains("ignored: updated version")) continue; 18721 pw.print("msg,"); 18722 pw.println(line); 18723 } 18724 } catch (IOException ignored) { 18725 } finally { 18726 IoUtils.closeQuietly(in); 18727 } 18728 } 18729 } 18730 } 18731 18732 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18733 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18734 ipw.println(); 18735 ipw.println("Dexopt state:"); 18736 ipw.increaseIndent(); 18737 Collection<PackageParser.Package> packages = null; 18738 if (packageName != null) { 18739 PackageParser.Package targetPackage = mPackages.get(packageName); 18740 if (targetPackage != null) { 18741 packages = Collections.singletonList(targetPackage); 18742 } else { 18743 ipw.println("Unable to find package: " + packageName); 18744 return; 18745 } 18746 } else { 18747 packages = mPackages.values(); 18748 } 18749 18750 for (PackageParser.Package pkg : packages) { 18751 ipw.println("[" + pkg.packageName + "]"); 18752 ipw.increaseIndent(); 18753 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18754 ipw.decreaseIndent(); 18755 } 18756 } 18757 18758 private String dumpDomainString(String packageName) { 18759 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18760 .getList(); 18761 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18762 18763 ArraySet<String> result = new ArraySet<>(); 18764 if (iviList.size() > 0) { 18765 for (IntentFilterVerificationInfo ivi : iviList) { 18766 for (String host : ivi.getDomains()) { 18767 result.add(host); 18768 } 18769 } 18770 } 18771 if (filters != null && filters.size() > 0) { 18772 for (IntentFilter filter : filters) { 18773 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18774 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18775 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18776 result.addAll(filter.getHostsList()); 18777 } 18778 } 18779 } 18780 18781 StringBuilder sb = new StringBuilder(result.size() * 16); 18782 for (String domain : result) { 18783 if (sb.length() > 0) sb.append(" "); 18784 sb.append(domain); 18785 } 18786 return sb.toString(); 18787 } 18788 18789 // ------- apps on sdcard specific code ------- 18790 static final boolean DEBUG_SD_INSTALL = false; 18791 18792 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18793 18794 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18795 18796 private boolean mMediaMounted = false; 18797 18798 static String getEncryptKey() { 18799 try { 18800 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18801 SD_ENCRYPTION_KEYSTORE_NAME); 18802 if (sdEncKey == null) { 18803 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18804 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18805 if (sdEncKey == null) { 18806 Slog.e(TAG, "Failed to create encryption keys"); 18807 return null; 18808 } 18809 } 18810 return sdEncKey; 18811 } catch (NoSuchAlgorithmException nsae) { 18812 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18813 return null; 18814 } catch (IOException ioe) { 18815 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18816 return null; 18817 } 18818 } 18819 18820 /* 18821 * Update media status on PackageManager. 18822 */ 18823 @Override 18824 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18825 int callingUid = Binder.getCallingUid(); 18826 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18827 throw new SecurityException("Media status can only be updated by the system"); 18828 } 18829 // reader; this apparently protects mMediaMounted, but should probably 18830 // be a different lock in that case. 18831 synchronized (mPackages) { 18832 Log.i(TAG, "Updating external media status from " 18833 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18834 + (mediaStatus ? "mounted" : "unmounted")); 18835 if (DEBUG_SD_INSTALL) 18836 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18837 + ", mMediaMounted=" + mMediaMounted); 18838 if (mediaStatus == mMediaMounted) { 18839 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18840 : 0, -1); 18841 mHandler.sendMessage(msg); 18842 return; 18843 } 18844 mMediaMounted = mediaStatus; 18845 } 18846 // Queue up an async operation since the package installation may take a 18847 // little while. 18848 mHandler.post(new Runnable() { 18849 public void run() { 18850 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18851 } 18852 }); 18853 } 18854 18855 /** 18856 * Called by MountService when the initial ASECs to scan are available. 18857 * Should block until all the ASEC containers are finished being scanned. 18858 */ 18859 public void scanAvailableAsecs() { 18860 updateExternalMediaStatusInner(true, false, false); 18861 } 18862 18863 /* 18864 * Collect information of applications on external media, map them against 18865 * existing containers and update information based on current mount status. 18866 * Please note that we always have to report status if reportStatus has been 18867 * set to true especially when unloading packages. 18868 */ 18869 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18870 boolean externalStorage) { 18871 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18872 int[] uidArr = EmptyArray.INT; 18873 18874 final String[] list = PackageHelper.getSecureContainerList(); 18875 if (ArrayUtils.isEmpty(list)) { 18876 Log.i(TAG, "No secure containers found"); 18877 } else { 18878 // Process list of secure containers and categorize them 18879 // as active or stale based on their package internal state. 18880 18881 // reader 18882 synchronized (mPackages) { 18883 for (String cid : list) { 18884 // Leave stages untouched for now; installer service owns them 18885 if (PackageInstallerService.isStageName(cid)) continue; 18886 18887 if (DEBUG_SD_INSTALL) 18888 Log.i(TAG, "Processing container " + cid); 18889 String pkgName = getAsecPackageName(cid); 18890 if (pkgName == null) { 18891 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18892 continue; 18893 } 18894 if (DEBUG_SD_INSTALL) 18895 Log.i(TAG, "Looking for pkg : " + pkgName); 18896 18897 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18898 if (ps == null) { 18899 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18900 continue; 18901 } 18902 18903 /* 18904 * Skip packages that are not external if we're unmounting 18905 * external storage. 18906 */ 18907 if (externalStorage && !isMounted && !isExternal(ps)) { 18908 continue; 18909 } 18910 18911 final AsecInstallArgs args = new AsecInstallArgs(cid, 18912 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18913 // The package status is changed only if the code path 18914 // matches between settings and the container id. 18915 if (ps.codePathString != null 18916 && ps.codePathString.startsWith(args.getCodePath())) { 18917 if (DEBUG_SD_INSTALL) { 18918 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18919 + " at code path: " + ps.codePathString); 18920 } 18921 18922 // We do have a valid package installed on sdcard 18923 processCids.put(args, ps.codePathString); 18924 final int uid = ps.appId; 18925 if (uid != -1) { 18926 uidArr = ArrayUtils.appendInt(uidArr, uid); 18927 } 18928 } else { 18929 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18930 + ps.codePathString); 18931 } 18932 } 18933 } 18934 18935 Arrays.sort(uidArr); 18936 } 18937 18938 // Process packages with valid entries. 18939 if (isMounted) { 18940 if (DEBUG_SD_INSTALL) 18941 Log.i(TAG, "Loading packages"); 18942 loadMediaPackages(processCids, uidArr, externalStorage); 18943 startCleaningPackages(); 18944 mInstallerService.onSecureContainersAvailable(); 18945 } else { 18946 if (DEBUG_SD_INSTALL) 18947 Log.i(TAG, "Unloading packages"); 18948 unloadMediaPackages(processCids, uidArr, reportStatus); 18949 } 18950 } 18951 18952 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18953 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18954 final int size = infos.size(); 18955 final String[] packageNames = new String[size]; 18956 final int[] packageUids = new int[size]; 18957 for (int i = 0; i < size; i++) { 18958 final ApplicationInfo info = infos.get(i); 18959 packageNames[i] = info.packageName; 18960 packageUids[i] = info.uid; 18961 } 18962 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18963 finishedReceiver); 18964 } 18965 18966 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18967 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18968 sendResourcesChangedBroadcast(mediaStatus, replacing, 18969 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18970 } 18971 18972 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18973 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18974 int size = pkgList.length; 18975 if (size > 0) { 18976 // Send broadcasts here 18977 Bundle extras = new Bundle(); 18978 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18979 if (uidArr != null) { 18980 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18981 } 18982 if (replacing) { 18983 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18984 } 18985 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18986 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18987 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18988 } 18989 } 18990 18991 /* 18992 * Look at potentially valid container ids from processCids If package 18993 * information doesn't match the one on record or package scanning fails, 18994 * the cid is added to list of removeCids. We currently don't delete stale 18995 * containers. 18996 */ 18997 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18998 boolean externalStorage) { 18999 ArrayList<String> pkgList = new ArrayList<String>(); 19000 Set<AsecInstallArgs> keys = processCids.keySet(); 19001 19002 for (AsecInstallArgs args : keys) { 19003 String codePath = processCids.get(args); 19004 if (DEBUG_SD_INSTALL) 19005 Log.i(TAG, "Loading container : " + args.cid); 19006 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19007 try { 19008 // Make sure there are no container errors first. 19009 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19010 Slog.e(TAG, "Failed to mount cid : " + args.cid 19011 + " when installing from sdcard"); 19012 continue; 19013 } 19014 // Check code path here. 19015 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19016 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19017 + " does not match one in settings " + codePath); 19018 continue; 19019 } 19020 // Parse package 19021 int parseFlags = mDefParseFlags; 19022 if (args.isExternalAsec()) { 19023 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19024 } 19025 if (args.isFwdLocked()) { 19026 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19027 } 19028 19029 synchronized (mInstallLock) { 19030 PackageParser.Package pkg = null; 19031 try { 19032 // Sadly we don't know the package name yet to freeze it 19033 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19034 SCAN_IGNORE_FROZEN, 0, null); 19035 } catch (PackageManagerException e) { 19036 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19037 } 19038 // Scan the package 19039 if (pkg != null) { 19040 /* 19041 * TODO why is the lock being held? doPostInstall is 19042 * called in other places without the lock. This needs 19043 * to be straightened out. 19044 */ 19045 // writer 19046 synchronized (mPackages) { 19047 retCode = PackageManager.INSTALL_SUCCEEDED; 19048 pkgList.add(pkg.packageName); 19049 // Post process args 19050 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19051 pkg.applicationInfo.uid); 19052 } 19053 } else { 19054 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19055 } 19056 } 19057 19058 } finally { 19059 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19060 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19061 } 19062 } 19063 } 19064 // writer 19065 synchronized (mPackages) { 19066 // If the platform SDK has changed since the last time we booted, 19067 // we need to re-grant app permission to catch any new ones that 19068 // appear. This is really a hack, and means that apps can in some 19069 // cases get permissions that the user didn't initially explicitly 19070 // allow... it would be nice to have some better way to handle 19071 // this situation. 19072 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19073 : mSettings.getInternalVersion(); 19074 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19075 : StorageManager.UUID_PRIVATE_INTERNAL; 19076 19077 int updateFlags = UPDATE_PERMISSIONS_ALL; 19078 if (ver.sdkVersion != mSdkVersion) { 19079 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19080 + mSdkVersion + "; regranting permissions for external"); 19081 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19082 } 19083 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19084 19085 // Yay, everything is now upgraded 19086 ver.forceCurrent(); 19087 19088 // can downgrade to reader 19089 // Persist settings 19090 mSettings.writeLPr(); 19091 } 19092 // Send a broadcast to let everyone know we are done processing 19093 if (pkgList.size() > 0) { 19094 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19095 } 19096 } 19097 19098 /* 19099 * Utility method to unload a list of specified containers 19100 */ 19101 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19102 // Just unmount all valid containers. 19103 for (AsecInstallArgs arg : cidArgs) { 19104 synchronized (mInstallLock) { 19105 arg.doPostDeleteLI(false); 19106 } 19107 } 19108 } 19109 19110 /* 19111 * Unload packages mounted on external media. This involves deleting package 19112 * data from internal structures, sending broadcasts about disabled packages, 19113 * gc'ing to free up references, unmounting all secure containers 19114 * corresponding to packages on external media, and posting a 19115 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19116 * that we always have to post this message if status has been requested no 19117 * matter what. 19118 */ 19119 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19120 final boolean reportStatus) { 19121 if (DEBUG_SD_INSTALL) 19122 Log.i(TAG, "unloading media packages"); 19123 ArrayList<String> pkgList = new ArrayList<String>(); 19124 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19125 final Set<AsecInstallArgs> keys = processCids.keySet(); 19126 for (AsecInstallArgs args : keys) { 19127 String pkgName = args.getPackageName(); 19128 if (DEBUG_SD_INSTALL) 19129 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19130 // Delete package internally 19131 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19132 synchronized (mInstallLock) { 19133 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19134 final boolean res; 19135 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19136 "unloadMediaPackages")) { 19137 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19138 null); 19139 } 19140 if (res) { 19141 pkgList.add(pkgName); 19142 } else { 19143 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19144 failedList.add(args); 19145 } 19146 } 19147 } 19148 19149 // reader 19150 synchronized (mPackages) { 19151 // We didn't update the settings after removing each package; 19152 // write them now for all packages. 19153 mSettings.writeLPr(); 19154 } 19155 19156 // We have to absolutely send UPDATED_MEDIA_STATUS only 19157 // after confirming that all the receivers processed the ordered 19158 // broadcast when packages get disabled, force a gc to clean things up. 19159 // and unload all the containers. 19160 if (pkgList.size() > 0) { 19161 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19162 new IIntentReceiver.Stub() { 19163 public void performReceive(Intent intent, int resultCode, String data, 19164 Bundle extras, boolean ordered, boolean sticky, 19165 int sendingUser) throws RemoteException { 19166 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19167 reportStatus ? 1 : 0, 1, keys); 19168 mHandler.sendMessage(msg); 19169 } 19170 }); 19171 } else { 19172 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19173 keys); 19174 mHandler.sendMessage(msg); 19175 } 19176 } 19177 19178 private void loadPrivatePackages(final VolumeInfo vol) { 19179 mHandler.post(new Runnable() { 19180 @Override 19181 public void run() { 19182 loadPrivatePackagesInner(vol); 19183 } 19184 }); 19185 } 19186 19187 private void loadPrivatePackagesInner(VolumeInfo vol) { 19188 final String volumeUuid = vol.fsUuid; 19189 if (TextUtils.isEmpty(volumeUuid)) { 19190 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19191 return; 19192 } 19193 19194 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19195 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19196 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19197 19198 final VersionInfo ver; 19199 final List<PackageSetting> packages; 19200 synchronized (mPackages) { 19201 ver = mSettings.findOrCreateVersion(volumeUuid); 19202 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19203 } 19204 19205 for (PackageSetting ps : packages) { 19206 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19207 synchronized (mInstallLock) { 19208 final PackageParser.Package pkg; 19209 try { 19210 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19211 loaded.add(pkg.applicationInfo); 19212 19213 } catch (PackageManagerException e) { 19214 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19215 } 19216 19217 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19218 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19219 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19220 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19221 } 19222 } 19223 } 19224 19225 // Reconcile app data for all started/unlocked users 19226 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19227 final UserManager um = mContext.getSystemService(UserManager.class); 19228 UserManagerInternal umInternal = getUserManagerInternal(); 19229 for (UserInfo user : um.getUsers()) { 19230 final int flags; 19231 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19232 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19233 } else if (umInternal.isUserRunning(user.id)) { 19234 flags = StorageManager.FLAG_STORAGE_DE; 19235 } else { 19236 continue; 19237 } 19238 19239 try { 19240 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19241 synchronized (mInstallLock) { 19242 reconcileAppsDataLI(volumeUuid, user.id, flags); 19243 } 19244 } catch (IllegalStateException e) { 19245 // Device was probably ejected, and we'll process that event momentarily 19246 Slog.w(TAG, "Failed to prepare storage: " + e); 19247 } 19248 } 19249 19250 synchronized (mPackages) { 19251 int updateFlags = UPDATE_PERMISSIONS_ALL; 19252 if (ver.sdkVersion != mSdkVersion) { 19253 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19254 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19255 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19256 } 19257 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19258 19259 // Yay, everything is now upgraded 19260 ver.forceCurrent(); 19261 19262 mSettings.writeLPr(); 19263 } 19264 19265 for (PackageFreezer freezer : freezers) { 19266 freezer.close(); 19267 } 19268 19269 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19270 sendResourcesChangedBroadcast(true, false, loaded, null); 19271 } 19272 19273 private void unloadPrivatePackages(final VolumeInfo vol) { 19274 mHandler.post(new Runnable() { 19275 @Override 19276 public void run() { 19277 unloadPrivatePackagesInner(vol); 19278 } 19279 }); 19280 } 19281 19282 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19283 final String volumeUuid = vol.fsUuid; 19284 if (TextUtils.isEmpty(volumeUuid)) { 19285 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19286 return; 19287 } 19288 19289 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19290 synchronized (mInstallLock) { 19291 synchronized (mPackages) { 19292 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19293 for (PackageSetting ps : packages) { 19294 if (ps.pkg == null) continue; 19295 19296 final ApplicationInfo info = ps.pkg.applicationInfo; 19297 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19298 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19299 19300 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19301 "unloadPrivatePackagesInner")) { 19302 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19303 false, null)) { 19304 unloaded.add(info); 19305 } else { 19306 Slog.w(TAG, "Failed to unload " + ps.codePath); 19307 } 19308 } 19309 19310 // Try very hard to release any references to this package 19311 // so we don't risk the system server being killed due to 19312 // open FDs 19313 AttributeCache.instance().removePackage(ps.name); 19314 } 19315 19316 mSettings.writeLPr(); 19317 } 19318 } 19319 19320 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19321 sendResourcesChangedBroadcast(false, false, unloaded, null); 19322 19323 // Try very hard to release any references to this path so we don't risk 19324 // the system server being killed due to open FDs 19325 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19326 19327 for (int i = 0; i < 3; i++) { 19328 System.gc(); 19329 System.runFinalization(); 19330 } 19331 } 19332 19333 /** 19334 * Prepare storage areas for given user on all mounted devices. 19335 */ 19336 void prepareUserData(int userId, int userSerial, int flags) { 19337 synchronized (mInstallLock) { 19338 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19339 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19340 final String volumeUuid = vol.getFsUuid(); 19341 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19342 } 19343 } 19344 } 19345 19346 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19347 boolean allowRecover) { 19348 // Prepare storage and verify that serial numbers are consistent; if 19349 // there's a mismatch we need to destroy to avoid leaking data 19350 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19351 try { 19352 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19353 19354 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19355 UserManagerService.enforceSerialNumber( 19356 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19357 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19358 UserManagerService.enforceSerialNumber( 19359 Environment.getDataSystemDeDirectory(userId), userSerial); 19360 } 19361 } 19362 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19363 UserManagerService.enforceSerialNumber( 19364 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19365 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19366 UserManagerService.enforceSerialNumber( 19367 Environment.getDataSystemCeDirectory(userId), userSerial); 19368 } 19369 } 19370 19371 synchronized (mInstallLock) { 19372 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19373 } 19374 } catch (Exception e) { 19375 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19376 + " because we failed to prepare: " + e); 19377 destroyUserDataLI(volumeUuid, userId, 19378 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19379 19380 if (allowRecover) { 19381 // Try one last time; if we fail again we're really in trouble 19382 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19383 } 19384 } 19385 } 19386 19387 /** 19388 * Destroy storage areas for given user on all mounted devices. 19389 */ 19390 void destroyUserData(int userId, int flags) { 19391 synchronized (mInstallLock) { 19392 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19393 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19394 final String volumeUuid = vol.getFsUuid(); 19395 destroyUserDataLI(volumeUuid, userId, flags); 19396 } 19397 } 19398 } 19399 19400 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19401 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19402 try { 19403 // Clean up app data, profile data, and media data 19404 mInstaller.destroyUserData(volumeUuid, userId, flags); 19405 19406 // Clean up system data 19407 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19408 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19409 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19410 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19411 } 19412 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19413 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19414 } 19415 } 19416 19417 // Data with special labels is now gone, so finish the job 19418 storage.destroyUserStorage(volumeUuid, userId, flags); 19419 19420 } catch (Exception e) { 19421 logCriticalInfo(Log.WARN, 19422 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19423 } 19424 } 19425 19426 /** 19427 * Examine all users present on given mounted volume, and destroy data 19428 * belonging to users that are no longer valid, or whose user ID has been 19429 * recycled. 19430 */ 19431 private void reconcileUsers(String volumeUuid) { 19432 final List<File> files = new ArrayList<>(); 19433 Collections.addAll(files, FileUtils 19434 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19435 Collections.addAll(files, FileUtils 19436 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19437 Collections.addAll(files, FileUtils 19438 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19439 Collections.addAll(files, FileUtils 19440 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19441 for (File file : files) { 19442 if (!file.isDirectory()) continue; 19443 19444 final int userId; 19445 final UserInfo info; 19446 try { 19447 userId = Integer.parseInt(file.getName()); 19448 info = sUserManager.getUserInfo(userId); 19449 } catch (NumberFormatException e) { 19450 Slog.w(TAG, "Invalid user directory " + file); 19451 continue; 19452 } 19453 19454 boolean destroyUser = false; 19455 if (info == null) { 19456 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19457 + " because no matching user was found"); 19458 destroyUser = true; 19459 } else if (!mOnlyCore) { 19460 try { 19461 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19462 } catch (IOException e) { 19463 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19464 + " because we failed to enforce serial number: " + e); 19465 destroyUser = true; 19466 } 19467 } 19468 19469 if (destroyUser) { 19470 synchronized (mInstallLock) { 19471 destroyUserDataLI(volumeUuid, userId, 19472 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19473 } 19474 } 19475 } 19476 } 19477 19478 private void assertPackageKnown(String volumeUuid, String packageName) 19479 throws PackageManagerException { 19480 synchronized (mPackages) { 19481 final PackageSetting ps = mSettings.mPackages.get(packageName); 19482 if (ps == null) { 19483 throw new PackageManagerException("Package " + packageName + " is unknown"); 19484 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19485 throw new PackageManagerException( 19486 "Package " + packageName + " found on unknown volume " + volumeUuid 19487 + "; expected volume " + ps.volumeUuid); 19488 } 19489 } 19490 } 19491 19492 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19493 throws PackageManagerException { 19494 synchronized (mPackages) { 19495 final PackageSetting ps = mSettings.mPackages.get(packageName); 19496 if (ps == null) { 19497 throw new PackageManagerException("Package " + packageName + " is unknown"); 19498 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19499 throw new PackageManagerException( 19500 "Package " + packageName + " found on unknown volume " + volumeUuid 19501 + "; expected volume " + ps.volumeUuid); 19502 } else if (!ps.getInstalled(userId)) { 19503 throw new PackageManagerException( 19504 "Package " + packageName + " not installed for user " + userId); 19505 } 19506 } 19507 } 19508 19509 /** 19510 * Examine all apps present on given mounted volume, and destroy apps that 19511 * aren't expected, either due to uninstallation or reinstallation on 19512 * another volume. 19513 */ 19514 private void reconcileApps(String volumeUuid) { 19515 final File[] files = FileUtils 19516 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19517 for (File file : files) { 19518 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19519 && !PackageInstallerService.isStageName(file.getName()); 19520 if (!isPackage) { 19521 // Ignore entries which are not packages 19522 continue; 19523 } 19524 19525 try { 19526 final PackageLite pkg = PackageParser.parsePackageLite(file, 19527 PackageParser.PARSE_MUST_BE_APK); 19528 assertPackageKnown(volumeUuid, pkg.packageName); 19529 19530 } catch (PackageParserException | PackageManagerException e) { 19531 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19532 synchronized (mInstallLock) { 19533 removeCodePathLI(file); 19534 } 19535 } 19536 } 19537 } 19538 19539 /** 19540 * Reconcile all app data for the given user. 19541 * <p> 19542 * Verifies that directories exist and that ownership and labeling is 19543 * correct for all installed apps on all mounted volumes. 19544 */ 19545 void reconcileAppsData(int userId, int flags) { 19546 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19547 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19548 final String volumeUuid = vol.getFsUuid(); 19549 synchronized (mInstallLock) { 19550 reconcileAppsDataLI(volumeUuid, userId, flags); 19551 } 19552 } 19553 } 19554 19555 /** 19556 * Reconcile all app data on given mounted volume. 19557 * <p> 19558 * Destroys app data that isn't expected, either due to uninstallation or 19559 * reinstallation on another volume. 19560 * <p> 19561 * Verifies that directories exist and that ownership and labeling is 19562 * correct for all installed apps. 19563 */ 19564 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19565 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19566 + Integer.toHexString(flags)); 19567 19568 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19569 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19570 19571 boolean restoreconNeeded = false; 19572 19573 // First look for stale data that doesn't belong, and check if things 19574 // have changed since we did our last restorecon 19575 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19576 if (StorageManager.isFileEncryptedNativeOrEmulated() 19577 && !StorageManager.isUserKeyUnlocked(userId)) { 19578 throw new RuntimeException( 19579 "Yikes, someone asked us to reconcile CE storage while " + userId 19580 + " was still locked; this would have caused massive data loss!"); 19581 } 19582 19583 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19584 19585 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19586 for (File file : files) { 19587 final String packageName = file.getName(); 19588 try { 19589 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19590 } catch (PackageManagerException e) { 19591 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19592 try { 19593 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19594 StorageManager.FLAG_STORAGE_CE, 0); 19595 } catch (InstallerException e2) { 19596 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19597 } 19598 } 19599 } 19600 } 19601 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19602 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19603 19604 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19605 for (File file : files) { 19606 final String packageName = file.getName(); 19607 try { 19608 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19609 } catch (PackageManagerException e) { 19610 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19611 try { 19612 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19613 StorageManager.FLAG_STORAGE_DE, 0); 19614 } catch (InstallerException e2) { 19615 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19616 } 19617 } 19618 } 19619 } 19620 19621 // Ensure that data directories are ready to roll for all packages 19622 // installed for this volume and user 19623 final List<PackageSetting> packages; 19624 synchronized (mPackages) { 19625 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19626 } 19627 int preparedCount = 0; 19628 for (PackageSetting ps : packages) { 19629 final String packageName = ps.name; 19630 if (ps.pkg == null) { 19631 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19632 // TODO: might be due to legacy ASEC apps; we should circle back 19633 // and reconcile again once they're scanned 19634 continue; 19635 } 19636 19637 if (ps.getInstalled(userId)) { 19638 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19639 19640 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19641 // We may have just shuffled around app data directories, so 19642 // prepare them one more time 19643 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19644 } 19645 19646 preparedCount++; 19647 } 19648 } 19649 19650 if (restoreconNeeded) { 19651 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19652 SELinuxMMAC.setRestoreconDone(ceDir); 19653 } 19654 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19655 SELinuxMMAC.setRestoreconDone(deDir); 19656 } 19657 } 19658 19659 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19660 + " packages; restoreconNeeded was " + restoreconNeeded); 19661 } 19662 19663 /** 19664 * Prepare app data for the given app just after it was installed or 19665 * upgraded. This method carefully only touches users that it's installed 19666 * for, and it forces a restorecon to handle any seinfo changes. 19667 * <p> 19668 * Verifies that directories exist and that ownership and labeling is 19669 * correct for all installed apps. If there is an ownership mismatch, it 19670 * will try recovering system apps by wiping data; third-party app data is 19671 * left intact. 19672 * <p> 19673 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19674 */ 19675 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19676 final PackageSetting ps; 19677 synchronized (mPackages) { 19678 ps = mSettings.mPackages.get(pkg.packageName); 19679 mSettings.writeKernelMappingLPr(ps); 19680 } 19681 19682 final UserManager um = mContext.getSystemService(UserManager.class); 19683 UserManagerInternal umInternal = getUserManagerInternal(); 19684 for (UserInfo user : um.getUsers()) { 19685 final int flags; 19686 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19687 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19688 } else if (umInternal.isUserRunning(user.id)) { 19689 flags = StorageManager.FLAG_STORAGE_DE; 19690 } else { 19691 continue; 19692 } 19693 19694 if (ps.getInstalled(user.id)) { 19695 // Whenever an app changes, force a restorecon of its data 19696 // TODO: when user data is locked, mark that we're still dirty 19697 prepareAppDataLIF(pkg, user.id, flags, true); 19698 } 19699 } 19700 } 19701 19702 /** 19703 * Prepare app data for the given app. 19704 * <p> 19705 * Verifies that directories exist and that ownership and labeling is 19706 * correct for all installed apps. If there is an ownership mismatch, this 19707 * will try recovering system apps by wiping data; third-party app data is 19708 * left intact. 19709 */ 19710 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19711 boolean restoreconNeeded) { 19712 if (pkg == null) { 19713 Slog.wtf(TAG, "Package was null!", new Throwable()); 19714 return; 19715 } 19716 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19717 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19718 for (int i = 0; i < childCount; i++) { 19719 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19720 } 19721 } 19722 19723 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19724 boolean restoreconNeeded) { 19725 if (DEBUG_APP_DATA) { 19726 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19727 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19728 } 19729 19730 final String volumeUuid = pkg.volumeUuid; 19731 final String packageName = pkg.packageName; 19732 final ApplicationInfo app = pkg.applicationInfo; 19733 final int appId = UserHandle.getAppId(app.uid); 19734 19735 Preconditions.checkNotNull(app.seinfo); 19736 19737 try { 19738 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19739 appId, app.seinfo, app.targetSdkVersion); 19740 } catch (InstallerException e) { 19741 if (app.isSystemApp()) { 19742 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19743 + ", but trying to recover: " + e); 19744 destroyAppDataLeafLIF(pkg, userId, flags); 19745 try { 19746 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19747 appId, app.seinfo, app.targetSdkVersion); 19748 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19749 } catch (InstallerException e2) { 19750 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19751 } 19752 } else { 19753 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19754 } 19755 } 19756 19757 if (restoreconNeeded) { 19758 try { 19759 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19760 app.seinfo); 19761 } catch (InstallerException e) { 19762 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19763 } 19764 } 19765 19766 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19767 try { 19768 // CE storage is unlocked right now, so read out the inode and 19769 // remember for use later when it's locked 19770 // TODO: mark this structure as dirty so we persist it! 19771 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19772 StorageManager.FLAG_STORAGE_CE); 19773 synchronized (mPackages) { 19774 final PackageSetting ps = mSettings.mPackages.get(packageName); 19775 if (ps != null) { 19776 ps.setCeDataInode(ceDataInode, userId); 19777 } 19778 } 19779 } catch (InstallerException e) { 19780 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19781 } 19782 } 19783 19784 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19785 } 19786 19787 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19788 if (pkg == null) { 19789 Slog.wtf(TAG, "Package was null!", new Throwable()); 19790 return; 19791 } 19792 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19793 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19794 for (int i = 0; i < childCount; i++) { 19795 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19796 } 19797 } 19798 19799 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19800 final String volumeUuid = pkg.volumeUuid; 19801 final String packageName = pkg.packageName; 19802 final ApplicationInfo app = pkg.applicationInfo; 19803 19804 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19805 // Create a native library symlink only if we have native libraries 19806 // and if the native libraries are 32 bit libraries. We do not provide 19807 // this symlink for 64 bit libraries. 19808 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19809 final String nativeLibPath = app.nativeLibraryDir; 19810 try { 19811 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19812 nativeLibPath, userId); 19813 } catch (InstallerException e) { 19814 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19815 } 19816 } 19817 } 19818 } 19819 19820 /** 19821 * For system apps on non-FBE devices, this method migrates any existing 19822 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19823 * requested by the app. 19824 */ 19825 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19826 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19827 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19828 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19829 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19830 try { 19831 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19832 storageTarget); 19833 } catch (InstallerException e) { 19834 logCriticalInfo(Log.WARN, 19835 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19836 } 19837 return true; 19838 } else { 19839 return false; 19840 } 19841 } 19842 19843 public PackageFreezer freezePackage(String packageName, String killReason) { 19844 return new PackageFreezer(packageName, killReason); 19845 } 19846 19847 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19848 String killReason) { 19849 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19850 return new PackageFreezer(); 19851 } else { 19852 return freezePackage(packageName, killReason); 19853 } 19854 } 19855 19856 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19857 String killReason) { 19858 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19859 return new PackageFreezer(); 19860 } else { 19861 return freezePackage(packageName, killReason); 19862 } 19863 } 19864 19865 /** 19866 * Class that freezes and kills the given package upon creation, and 19867 * unfreezes it upon closing. This is typically used when doing surgery on 19868 * app code/data to prevent the app from running while you're working. 19869 */ 19870 private class PackageFreezer implements AutoCloseable { 19871 private final String mPackageName; 19872 private final PackageFreezer[] mChildren; 19873 19874 private final boolean mWeFroze; 19875 19876 private final AtomicBoolean mClosed = new AtomicBoolean(); 19877 private final CloseGuard mCloseGuard = CloseGuard.get(); 19878 19879 /** 19880 * Create and return a stub freezer that doesn't actually do anything, 19881 * typically used when someone requested 19882 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19883 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19884 */ 19885 public PackageFreezer() { 19886 mPackageName = null; 19887 mChildren = null; 19888 mWeFroze = false; 19889 mCloseGuard.open("close"); 19890 } 19891 19892 public PackageFreezer(String packageName, String killReason) { 19893 synchronized (mPackages) { 19894 mPackageName = packageName; 19895 mWeFroze = mFrozenPackages.add(mPackageName); 19896 19897 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19898 if (ps != null) { 19899 killApplication(ps.name, ps.appId, killReason); 19900 } 19901 19902 final PackageParser.Package p = mPackages.get(packageName); 19903 if (p != null && p.childPackages != null) { 19904 final int N = p.childPackages.size(); 19905 mChildren = new PackageFreezer[N]; 19906 for (int i = 0; i < N; i++) { 19907 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19908 killReason); 19909 } 19910 } else { 19911 mChildren = null; 19912 } 19913 } 19914 mCloseGuard.open("close"); 19915 } 19916 19917 @Override 19918 protected void finalize() throws Throwable { 19919 try { 19920 mCloseGuard.warnIfOpen(); 19921 close(); 19922 } finally { 19923 super.finalize(); 19924 } 19925 } 19926 19927 @Override 19928 public void close() { 19929 mCloseGuard.close(); 19930 if (mClosed.compareAndSet(false, true)) { 19931 synchronized (mPackages) { 19932 if (mWeFroze) { 19933 mFrozenPackages.remove(mPackageName); 19934 } 19935 19936 if (mChildren != null) { 19937 for (PackageFreezer freezer : mChildren) { 19938 freezer.close(); 19939 } 19940 } 19941 } 19942 } 19943 } 19944 } 19945 19946 /** 19947 * Verify that given package is currently frozen. 19948 */ 19949 private void checkPackageFrozen(String packageName) { 19950 synchronized (mPackages) { 19951 if (!mFrozenPackages.contains(packageName)) { 19952 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19953 } 19954 } 19955 } 19956 19957 @Override 19958 public int movePackage(final String packageName, final String volumeUuid) { 19959 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19960 19961 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19962 final int moveId = mNextMoveId.getAndIncrement(); 19963 mHandler.post(new Runnable() { 19964 @Override 19965 public void run() { 19966 try { 19967 movePackageInternal(packageName, volumeUuid, moveId, user); 19968 } catch (PackageManagerException e) { 19969 Slog.w(TAG, "Failed to move " + packageName, e); 19970 mMoveCallbacks.notifyStatusChanged(moveId, 19971 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19972 } 19973 } 19974 }); 19975 return moveId; 19976 } 19977 19978 private void movePackageInternal(final String packageName, final String volumeUuid, 19979 final int moveId, UserHandle user) throws PackageManagerException { 19980 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19981 final PackageManager pm = mContext.getPackageManager(); 19982 19983 final boolean currentAsec; 19984 final String currentVolumeUuid; 19985 final File codeFile; 19986 final String installerPackageName; 19987 final String packageAbiOverride; 19988 final int appId; 19989 final String seinfo; 19990 final String label; 19991 final int targetSdkVersion; 19992 final PackageFreezer freezer; 19993 final int[] installedUserIds; 19994 19995 // reader 19996 synchronized (mPackages) { 19997 final PackageParser.Package pkg = mPackages.get(packageName); 19998 final PackageSetting ps = mSettings.mPackages.get(packageName); 19999 if (pkg == null || ps == null) { 20000 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20001 } 20002 20003 if (pkg.applicationInfo.isSystemApp()) { 20004 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20005 "Cannot move system application"); 20006 } 20007 20008 if (pkg.applicationInfo.isExternalAsec()) { 20009 currentAsec = true; 20010 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20011 } else if (pkg.applicationInfo.isForwardLocked()) { 20012 currentAsec = true; 20013 currentVolumeUuid = "forward_locked"; 20014 } else { 20015 currentAsec = false; 20016 currentVolumeUuid = ps.volumeUuid; 20017 20018 final File probe = new File(pkg.codePath); 20019 final File probeOat = new File(probe, "oat"); 20020 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20021 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20022 "Move only supported for modern cluster style installs"); 20023 } 20024 } 20025 20026 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20027 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20028 "Package already moved to " + volumeUuid); 20029 } 20030 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20031 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20032 "Device admin cannot be moved"); 20033 } 20034 20035 if (mFrozenPackages.contains(packageName)) { 20036 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20037 "Failed to move already frozen package"); 20038 } 20039 20040 codeFile = new File(pkg.codePath); 20041 installerPackageName = ps.installerPackageName; 20042 packageAbiOverride = ps.cpuAbiOverrideString; 20043 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20044 seinfo = pkg.applicationInfo.seinfo; 20045 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20046 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20047 freezer = new PackageFreezer(packageName, "movePackageInternal"); 20048 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20049 } 20050 20051 final Bundle extras = new Bundle(); 20052 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20053 extras.putString(Intent.EXTRA_TITLE, label); 20054 mMoveCallbacks.notifyCreated(moveId, extras); 20055 20056 int installFlags; 20057 final boolean moveCompleteApp; 20058 final File measurePath; 20059 20060 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20061 installFlags = INSTALL_INTERNAL; 20062 moveCompleteApp = !currentAsec; 20063 measurePath = Environment.getDataAppDirectory(volumeUuid); 20064 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20065 installFlags = INSTALL_EXTERNAL; 20066 moveCompleteApp = false; 20067 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20068 } else { 20069 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20070 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20071 || !volume.isMountedWritable()) { 20072 freezer.close(); 20073 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20074 "Move location not mounted private volume"); 20075 } 20076 20077 Preconditions.checkState(!currentAsec); 20078 20079 installFlags = INSTALL_INTERNAL; 20080 moveCompleteApp = true; 20081 measurePath = Environment.getDataAppDirectory(volumeUuid); 20082 } 20083 20084 final PackageStats stats = new PackageStats(null, -1); 20085 synchronized (mInstaller) { 20086 for (int userId : installedUserIds) { 20087 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20088 freezer.close(); 20089 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20090 "Failed to measure package size"); 20091 } 20092 } 20093 } 20094 20095 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20096 + stats.dataSize); 20097 20098 final long startFreeBytes = measurePath.getFreeSpace(); 20099 final long sizeBytes; 20100 if (moveCompleteApp) { 20101 sizeBytes = stats.codeSize + stats.dataSize; 20102 } else { 20103 sizeBytes = stats.codeSize; 20104 } 20105 20106 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20107 freezer.close(); 20108 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20109 "Not enough free space to move"); 20110 } 20111 20112 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20113 20114 final CountDownLatch installedLatch = new CountDownLatch(1); 20115 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20116 @Override 20117 public void onUserActionRequired(Intent intent) throws RemoteException { 20118 throw new IllegalStateException(); 20119 } 20120 20121 @Override 20122 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20123 Bundle extras) throws RemoteException { 20124 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20125 + PackageManager.installStatusToString(returnCode, msg)); 20126 20127 installedLatch.countDown(); 20128 freezer.close(); 20129 20130 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20131 switch (status) { 20132 case PackageInstaller.STATUS_SUCCESS: 20133 mMoveCallbacks.notifyStatusChanged(moveId, 20134 PackageManager.MOVE_SUCCEEDED); 20135 break; 20136 case PackageInstaller.STATUS_FAILURE_STORAGE: 20137 mMoveCallbacks.notifyStatusChanged(moveId, 20138 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20139 break; 20140 default: 20141 mMoveCallbacks.notifyStatusChanged(moveId, 20142 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20143 break; 20144 } 20145 } 20146 }; 20147 20148 final MoveInfo move; 20149 if (moveCompleteApp) { 20150 // Kick off a thread to report progress estimates 20151 new Thread() { 20152 @Override 20153 public void run() { 20154 while (true) { 20155 try { 20156 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20157 break; 20158 } 20159 } catch (InterruptedException ignored) { 20160 } 20161 20162 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20163 final int progress = 10 + (int) MathUtils.constrain( 20164 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20165 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20166 } 20167 } 20168 }.start(); 20169 20170 final String dataAppName = codeFile.getName(); 20171 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20172 dataAppName, appId, seinfo, targetSdkVersion); 20173 } else { 20174 move = null; 20175 } 20176 20177 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20178 20179 final Message msg = mHandler.obtainMessage(INIT_COPY); 20180 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20181 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20182 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20183 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20184 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20185 msg.obj = params; 20186 20187 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20188 System.identityHashCode(msg.obj)); 20189 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20190 System.identityHashCode(msg.obj)); 20191 20192 mHandler.sendMessage(msg); 20193 } 20194 20195 @Override 20196 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20197 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20198 20199 final int realMoveId = mNextMoveId.getAndIncrement(); 20200 final Bundle extras = new Bundle(); 20201 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20202 mMoveCallbacks.notifyCreated(realMoveId, extras); 20203 20204 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20205 @Override 20206 public void onCreated(int moveId, Bundle extras) { 20207 // Ignored 20208 } 20209 20210 @Override 20211 public void onStatusChanged(int moveId, int status, long estMillis) { 20212 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20213 } 20214 }; 20215 20216 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20217 storage.setPrimaryStorageUuid(volumeUuid, callback); 20218 return realMoveId; 20219 } 20220 20221 @Override 20222 public int getMoveStatus(int moveId) { 20223 mContext.enforceCallingOrSelfPermission( 20224 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20225 return mMoveCallbacks.mLastStatus.get(moveId); 20226 } 20227 20228 @Override 20229 public void registerMoveCallback(IPackageMoveObserver callback) { 20230 mContext.enforceCallingOrSelfPermission( 20231 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20232 mMoveCallbacks.register(callback); 20233 } 20234 20235 @Override 20236 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20237 mContext.enforceCallingOrSelfPermission( 20238 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20239 mMoveCallbacks.unregister(callback); 20240 } 20241 20242 @Override 20243 public boolean setInstallLocation(int loc) { 20244 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20245 null); 20246 if (getInstallLocation() == loc) { 20247 return true; 20248 } 20249 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20250 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20251 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20252 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20253 return true; 20254 } 20255 return false; 20256 } 20257 20258 @Override 20259 public int getInstallLocation() { 20260 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20261 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20262 PackageHelper.APP_INSTALL_AUTO); 20263 } 20264 20265 /** Called by UserManagerService */ 20266 void cleanUpUser(UserManagerService userManager, int userHandle) { 20267 synchronized (mPackages) { 20268 mDirtyUsers.remove(userHandle); 20269 mUserNeedsBadging.delete(userHandle); 20270 mSettings.removeUserLPw(userHandle); 20271 mPendingBroadcasts.remove(userHandle); 20272 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20273 removeUnusedPackagesLPw(userManager, userHandle); 20274 } 20275 } 20276 20277 /** 20278 * We're removing userHandle and would like to remove any downloaded packages 20279 * that are no longer in use by any other user. 20280 * @param userHandle the user being removed 20281 */ 20282 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20283 final boolean DEBUG_CLEAN_APKS = false; 20284 int [] users = userManager.getUserIds(); 20285 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20286 while (psit.hasNext()) { 20287 PackageSetting ps = psit.next(); 20288 if (ps.pkg == null) { 20289 continue; 20290 } 20291 final String packageName = ps.pkg.packageName; 20292 // Skip over if system app 20293 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20294 continue; 20295 } 20296 if (DEBUG_CLEAN_APKS) { 20297 Slog.i(TAG, "Checking package " + packageName); 20298 } 20299 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20300 if (keep) { 20301 if (DEBUG_CLEAN_APKS) { 20302 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20303 } 20304 } else { 20305 for (int i = 0; i < users.length; i++) { 20306 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20307 keep = true; 20308 if (DEBUG_CLEAN_APKS) { 20309 Slog.i(TAG, " Keeping package " + packageName + " for user " 20310 + users[i]); 20311 } 20312 break; 20313 } 20314 } 20315 } 20316 if (!keep) { 20317 if (DEBUG_CLEAN_APKS) { 20318 Slog.i(TAG, " Removing package " + packageName); 20319 } 20320 mHandler.post(new Runnable() { 20321 public void run() { 20322 deletePackageX(packageName, userHandle, 0); 20323 } //end run 20324 }); 20325 } 20326 } 20327 } 20328 20329 /** Called by UserManagerService */ 20330 void createNewUser(int userId) { 20331 synchronized (mInstallLock) { 20332 mSettings.createNewUserLI(this, mInstaller, userId); 20333 } 20334 synchronized (mPackages) { 20335 scheduleWritePackageRestrictionsLocked(userId); 20336 scheduleWritePackageListLocked(userId); 20337 applyFactoryDefaultBrowserLPw(userId); 20338 primeDomainVerificationsLPw(userId); 20339 } 20340 } 20341 20342 void onBeforeUserStartUninitialized(final int userId) { 20343 synchronized (mPackages) { 20344 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20345 return; 20346 } 20347 } 20348 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20349 // If permission review for legacy apps is required, we represent 20350 // dagerous permissions for such apps as always granted runtime 20351 // permissions to keep per user flag state whether review is needed. 20352 // Hence, if a new user is added we have to propagate dangerous 20353 // permission grants for these legacy apps. 20354 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20355 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20356 | UPDATE_PERMISSIONS_REPLACE_ALL); 20357 } 20358 } 20359 20360 @Override 20361 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20362 mContext.enforceCallingOrSelfPermission( 20363 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20364 "Only package verification agents can read the verifier device identity"); 20365 20366 synchronized (mPackages) { 20367 return mSettings.getVerifierDeviceIdentityLPw(); 20368 } 20369 } 20370 20371 @Override 20372 public void setPermissionEnforced(String permission, boolean enforced) { 20373 // TODO: Now that we no longer change GID for storage, this should to away. 20374 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20375 "setPermissionEnforced"); 20376 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20377 synchronized (mPackages) { 20378 if (mSettings.mReadExternalStorageEnforced == null 20379 || mSettings.mReadExternalStorageEnforced != enforced) { 20380 mSettings.mReadExternalStorageEnforced = enforced; 20381 mSettings.writeLPr(); 20382 } 20383 } 20384 // kill any non-foreground processes so we restart them and 20385 // grant/revoke the GID. 20386 final IActivityManager am = ActivityManagerNative.getDefault(); 20387 if (am != null) { 20388 final long token = Binder.clearCallingIdentity(); 20389 try { 20390 am.killProcessesBelowForeground("setPermissionEnforcement"); 20391 } catch (RemoteException e) { 20392 } finally { 20393 Binder.restoreCallingIdentity(token); 20394 } 20395 } 20396 } else { 20397 throw new IllegalArgumentException("No selective enforcement for " + permission); 20398 } 20399 } 20400 20401 @Override 20402 @Deprecated 20403 public boolean isPermissionEnforced(String permission) { 20404 return true; 20405 } 20406 20407 @Override 20408 public boolean isStorageLow() { 20409 final long token = Binder.clearCallingIdentity(); 20410 try { 20411 final DeviceStorageMonitorInternal 20412 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20413 if (dsm != null) { 20414 return dsm.isMemoryLow(); 20415 } else { 20416 return false; 20417 } 20418 } finally { 20419 Binder.restoreCallingIdentity(token); 20420 } 20421 } 20422 20423 @Override 20424 public IPackageInstaller getPackageInstaller() { 20425 return mInstallerService; 20426 } 20427 20428 private boolean userNeedsBadging(int userId) { 20429 int index = mUserNeedsBadging.indexOfKey(userId); 20430 if (index < 0) { 20431 final UserInfo userInfo; 20432 final long token = Binder.clearCallingIdentity(); 20433 try { 20434 userInfo = sUserManager.getUserInfo(userId); 20435 } finally { 20436 Binder.restoreCallingIdentity(token); 20437 } 20438 final boolean b; 20439 if (userInfo != null && userInfo.isManagedProfile()) { 20440 b = true; 20441 } else { 20442 b = false; 20443 } 20444 mUserNeedsBadging.put(userId, b); 20445 return b; 20446 } 20447 return mUserNeedsBadging.valueAt(index); 20448 } 20449 20450 @Override 20451 public KeySet getKeySetByAlias(String packageName, String alias) { 20452 if (packageName == null || alias == null) { 20453 return null; 20454 } 20455 synchronized(mPackages) { 20456 final PackageParser.Package pkg = mPackages.get(packageName); 20457 if (pkg == null) { 20458 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20459 throw new IllegalArgumentException("Unknown package: " + packageName); 20460 } 20461 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20462 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20463 } 20464 } 20465 20466 @Override 20467 public KeySet getSigningKeySet(String packageName) { 20468 if (packageName == null) { 20469 return null; 20470 } 20471 synchronized(mPackages) { 20472 final PackageParser.Package pkg = mPackages.get(packageName); 20473 if (pkg == null) { 20474 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20475 throw new IllegalArgumentException("Unknown package: " + packageName); 20476 } 20477 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20478 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20479 throw new SecurityException("May not access signing KeySet of other apps."); 20480 } 20481 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20482 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20483 } 20484 } 20485 20486 @Override 20487 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20488 if (packageName == null || ks == null) { 20489 return false; 20490 } 20491 synchronized(mPackages) { 20492 final PackageParser.Package pkg = mPackages.get(packageName); 20493 if (pkg == null) { 20494 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20495 throw new IllegalArgumentException("Unknown package: " + packageName); 20496 } 20497 IBinder ksh = ks.getToken(); 20498 if (ksh instanceof KeySetHandle) { 20499 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20500 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20501 } 20502 return false; 20503 } 20504 } 20505 20506 @Override 20507 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20508 if (packageName == null || ks == null) { 20509 return false; 20510 } 20511 synchronized(mPackages) { 20512 final PackageParser.Package pkg = mPackages.get(packageName); 20513 if (pkg == null) { 20514 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20515 throw new IllegalArgumentException("Unknown package: " + packageName); 20516 } 20517 IBinder ksh = ks.getToken(); 20518 if (ksh instanceof KeySetHandle) { 20519 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20520 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20521 } 20522 return false; 20523 } 20524 } 20525 20526 private void deletePackageIfUnusedLPr(final String packageName) { 20527 PackageSetting ps = mSettings.mPackages.get(packageName); 20528 if (ps == null) { 20529 return; 20530 } 20531 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20532 // TODO Implement atomic delete if package is unused 20533 // It is currently possible that the package will be deleted even if it is installed 20534 // after this method returns. 20535 mHandler.post(new Runnable() { 20536 public void run() { 20537 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20538 } 20539 }); 20540 } 20541 } 20542 20543 /** 20544 * Check and throw if the given before/after packages would be considered a 20545 * downgrade. 20546 */ 20547 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20548 throws PackageManagerException { 20549 if (after.versionCode < before.mVersionCode) { 20550 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20551 "Update version code " + after.versionCode + " is older than current " 20552 + before.mVersionCode); 20553 } else if (after.versionCode == before.mVersionCode) { 20554 if (after.baseRevisionCode < before.baseRevisionCode) { 20555 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20556 "Update base revision code " + after.baseRevisionCode 20557 + " is older than current " + before.baseRevisionCode); 20558 } 20559 20560 if (!ArrayUtils.isEmpty(after.splitNames)) { 20561 for (int i = 0; i < after.splitNames.length; i++) { 20562 final String splitName = after.splitNames[i]; 20563 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20564 if (j != -1) { 20565 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20566 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20567 "Update split " + splitName + " revision code " 20568 + after.splitRevisionCodes[i] + " is older than current " 20569 + before.splitRevisionCodes[j]); 20570 } 20571 } 20572 } 20573 } 20574 } 20575 } 20576 20577 private static class MoveCallbacks extends Handler { 20578 private static final int MSG_CREATED = 1; 20579 private static final int MSG_STATUS_CHANGED = 2; 20580 20581 private final RemoteCallbackList<IPackageMoveObserver> 20582 mCallbacks = new RemoteCallbackList<>(); 20583 20584 private final SparseIntArray mLastStatus = new SparseIntArray(); 20585 20586 public MoveCallbacks(Looper looper) { 20587 super(looper); 20588 } 20589 20590 public void register(IPackageMoveObserver callback) { 20591 mCallbacks.register(callback); 20592 } 20593 20594 public void unregister(IPackageMoveObserver callback) { 20595 mCallbacks.unregister(callback); 20596 } 20597 20598 @Override 20599 public void handleMessage(Message msg) { 20600 final SomeArgs args = (SomeArgs) msg.obj; 20601 final int n = mCallbacks.beginBroadcast(); 20602 for (int i = 0; i < n; i++) { 20603 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20604 try { 20605 invokeCallback(callback, msg.what, args); 20606 } catch (RemoteException ignored) { 20607 } 20608 } 20609 mCallbacks.finishBroadcast(); 20610 args.recycle(); 20611 } 20612 20613 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20614 throws RemoteException { 20615 switch (what) { 20616 case MSG_CREATED: { 20617 callback.onCreated(args.argi1, (Bundle) args.arg2); 20618 break; 20619 } 20620 case MSG_STATUS_CHANGED: { 20621 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20622 break; 20623 } 20624 } 20625 } 20626 20627 private void notifyCreated(int moveId, Bundle extras) { 20628 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20629 20630 final SomeArgs args = SomeArgs.obtain(); 20631 args.argi1 = moveId; 20632 args.arg2 = extras; 20633 obtainMessage(MSG_CREATED, args).sendToTarget(); 20634 } 20635 20636 private void notifyStatusChanged(int moveId, int status) { 20637 notifyStatusChanged(moveId, status, -1); 20638 } 20639 20640 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20641 Slog.v(TAG, "Move " + moveId + " status " + status); 20642 20643 final SomeArgs args = SomeArgs.obtain(); 20644 args.argi1 = moveId; 20645 args.argi2 = status; 20646 args.arg3 = estMillis; 20647 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20648 20649 synchronized (mLastStatus) { 20650 mLastStatus.put(moveId, status); 20651 } 20652 } 20653 } 20654 20655 private final static class OnPermissionChangeListeners extends Handler { 20656 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20657 20658 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20659 new RemoteCallbackList<>(); 20660 20661 public OnPermissionChangeListeners(Looper looper) { 20662 super(looper); 20663 } 20664 20665 @Override 20666 public void handleMessage(Message msg) { 20667 switch (msg.what) { 20668 case MSG_ON_PERMISSIONS_CHANGED: { 20669 final int uid = msg.arg1; 20670 handleOnPermissionsChanged(uid); 20671 } break; 20672 } 20673 } 20674 20675 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20676 mPermissionListeners.register(listener); 20677 20678 } 20679 20680 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20681 mPermissionListeners.unregister(listener); 20682 } 20683 20684 public void onPermissionsChanged(int uid) { 20685 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20686 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20687 } 20688 } 20689 20690 private void handleOnPermissionsChanged(int uid) { 20691 final int count = mPermissionListeners.beginBroadcast(); 20692 try { 20693 for (int i = 0; i < count; i++) { 20694 IOnPermissionsChangeListener callback = mPermissionListeners 20695 .getBroadcastItem(i); 20696 try { 20697 callback.onPermissionsChanged(uid); 20698 } catch (RemoteException e) { 20699 Log.e(TAG, "Permission listener is dead", e); 20700 } 20701 } 20702 } finally { 20703 mPermissionListeners.finishBroadcast(); 20704 } 20705 } 20706 } 20707 20708 private class PackageManagerInternalImpl extends PackageManagerInternal { 20709 @Override 20710 public void setLocationPackagesProvider(PackagesProvider provider) { 20711 synchronized (mPackages) { 20712 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20713 } 20714 } 20715 20716 @Override 20717 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20718 synchronized (mPackages) { 20719 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20720 } 20721 } 20722 20723 @Override 20724 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20725 synchronized (mPackages) { 20726 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20727 } 20728 } 20729 20730 @Override 20731 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20732 synchronized (mPackages) { 20733 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20734 } 20735 } 20736 20737 @Override 20738 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20739 synchronized (mPackages) { 20740 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20741 } 20742 } 20743 20744 @Override 20745 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20746 synchronized (mPackages) { 20747 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20748 } 20749 } 20750 20751 @Override 20752 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20753 synchronized (mPackages) { 20754 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20755 packageName, userId); 20756 } 20757 } 20758 20759 @Override 20760 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20761 synchronized (mPackages) { 20762 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20763 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20764 packageName, userId); 20765 } 20766 } 20767 20768 @Override 20769 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20770 synchronized (mPackages) { 20771 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20772 packageName, userId); 20773 } 20774 } 20775 20776 @Override 20777 public void setKeepUninstalledPackages(final List<String> packageList) { 20778 Preconditions.checkNotNull(packageList); 20779 List<String> removedFromList = null; 20780 synchronized (mPackages) { 20781 if (mKeepUninstalledPackages != null) { 20782 final int packagesCount = mKeepUninstalledPackages.size(); 20783 for (int i = 0; i < packagesCount; i++) { 20784 String oldPackage = mKeepUninstalledPackages.get(i); 20785 if (packageList != null && packageList.contains(oldPackage)) { 20786 continue; 20787 } 20788 if (removedFromList == null) { 20789 removedFromList = new ArrayList<>(); 20790 } 20791 removedFromList.add(oldPackage); 20792 } 20793 } 20794 mKeepUninstalledPackages = new ArrayList<>(packageList); 20795 if (removedFromList != null) { 20796 final int removedCount = removedFromList.size(); 20797 for (int i = 0; i < removedCount; i++) { 20798 deletePackageIfUnusedLPr(removedFromList.get(i)); 20799 } 20800 } 20801 } 20802 } 20803 20804 @Override 20805 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20806 synchronized (mPackages) { 20807 // If we do not support permission review, done. 20808 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20809 return false; 20810 } 20811 20812 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20813 if (packageSetting == null) { 20814 return false; 20815 } 20816 20817 // Permission review applies only to apps not supporting the new permission model. 20818 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20819 return false; 20820 } 20821 20822 // Legacy apps have the permission and get user consent on launch. 20823 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20824 return permissionsState.isPermissionReviewRequired(userId); 20825 } 20826 } 20827 20828 @Override 20829 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20830 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20831 } 20832 20833 @Override 20834 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20835 int userId) { 20836 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20837 } 20838 20839 @Override 20840 public void setDeviceAndProfileOwnerPackages( 20841 int deviceOwnerUserId, String deviceOwnerPackage, 20842 SparseArray<String> profileOwnerPackages) { 20843 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20844 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20845 } 20846 20847 @Override 20848 public boolean canPackageBeWiped(int userId, String packageName) { 20849 return mProtectedPackages.canPackageBeWiped(userId, 20850 packageName); 20851 } 20852 } 20853 20854 @Override 20855 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20856 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20857 synchronized (mPackages) { 20858 final long identity = Binder.clearCallingIdentity(); 20859 try { 20860 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20861 packageNames, userId); 20862 } finally { 20863 Binder.restoreCallingIdentity(identity); 20864 } 20865 } 20866 } 20867 20868 private static void enforceSystemOrPhoneCaller(String tag) { 20869 int callingUid = Binder.getCallingUid(); 20870 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20871 throw new SecurityException( 20872 "Cannot call " + tag + " from UID " + callingUid); 20873 } 20874 } 20875 20876 boolean isHistoricalPackageUsageAvailable() { 20877 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20878 } 20879 20880 /** 20881 * Return a <b>copy</b> of the collection of packages known to the package manager. 20882 * @return A copy of the values of mPackages. 20883 */ 20884 Collection<PackageParser.Package> getPackages() { 20885 synchronized (mPackages) { 20886 return new ArrayList<>(mPackages.values()); 20887 } 20888 } 20889 20890 /** 20891 * Logs process start information (including base APK hash) to the security log. 20892 * @hide 20893 */ 20894 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20895 String apkFile, int pid) { 20896 if (!SecurityLog.isLoggingEnabled()) { 20897 return; 20898 } 20899 Bundle data = new Bundle(); 20900 data.putLong("startTimestamp", System.currentTimeMillis()); 20901 data.putString("processName", processName); 20902 data.putInt("uid", uid); 20903 data.putString("seinfo", seinfo); 20904 data.putString("apkFile", apkFile); 20905 data.putInt("pid", pid); 20906 Message msg = mProcessLoggingHandler.obtainMessage( 20907 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20908 msg.setData(data); 20909 mProcessLoggingHandler.sendMessage(msg); 20910 } 20911} 20912