PackageManagerService.java revision 0bd776207999ccba17e5adb163710bd7b16ac907
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.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 101import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 102 103import android.Manifest; 104import android.annotation.NonNull; 105import android.annotation.Nullable; 106import android.annotation.UserIdInt; 107import android.app.ActivityManager; 108import android.app.ActivityManagerNative; 109import android.app.IActivityManager; 110import android.app.ResourcesManager; 111import android.app.admin.IDevicePolicyManager; 112import android.app.admin.SecurityLog; 113import android.app.backup.IBackupManager; 114import android.content.BroadcastReceiver; 115import android.content.ComponentName; 116import android.content.Context; 117import android.content.IIntentReceiver; 118import android.content.Intent; 119import android.content.IntentFilter; 120import android.content.IntentSender; 121import android.content.IntentSender.SendIntentException; 122import android.content.ServiceConnection; 123import android.content.pm.ActivityInfo; 124import android.content.pm.ApplicationInfo; 125import android.content.pm.AppsQueryHelper; 126import android.content.pm.ComponentInfo; 127import android.content.pm.EphemeralApplicationInfo; 128import android.content.pm.EphemeralResolveInfo; 129import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 130import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 131import android.content.pm.FeatureInfo; 132import android.content.pm.IOnPermissionsChangeListener; 133import android.content.pm.IPackageDataObserver; 134import android.content.pm.IPackageDeleteObserver; 135import android.content.pm.IPackageDeleteObserver2; 136import android.content.pm.IPackageInstallObserver2; 137import android.content.pm.IPackageInstaller; 138import android.content.pm.IPackageManager; 139import android.content.pm.IPackageMoveObserver; 140import android.content.pm.IPackageStatsObserver; 141import android.content.pm.InstrumentationInfo; 142import android.content.pm.IntentFilterVerificationInfo; 143import android.content.pm.KeySet; 144import android.content.pm.PackageCleanItem; 145import android.content.pm.PackageInfo; 146import android.content.pm.PackageInfoLite; 147import android.content.pm.PackageInstaller; 148import android.content.pm.PackageManager; 149import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 150import android.content.pm.PackageManagerInternal; 151import android.content.pm.PackageParser; 152import android.content.pm.PackageParser.ActivityIntentInfo; 153import android.content.pm.PackageParser.PackageLite; 154import android.content.pm.PackageParser.PackageParserException; 155import android.content.pm.PackageStats; 156import android.content.pm.PackageUserState; 157import android.content.pm.ParceledListSlice; 158import android.content.pm.PermissionGroupInfo; 159import android.content.pm.PermissionInfo; 160import android.content.pm.ProviderInfo; 161import android.content.pm.ResolveInfo; 162import android.content.pm.ServiceInfo; 163import android.content.pm.ShortcutServiceInternal; 164import android.content.pm.Signature; 165import android.content.pm.UserInfo; 166import android.content.pm.VerifierDeviceIdentity; 167import android.content.pm.VerifierInfo; 168import android.content.res.Resources; 169import android.graphics.Bitmap; 170import android.hardware.display.DisplayManager; 171import android.net.Uri; 172import android.os.Binder; 173import android.os.Build; 174import android.os.Bundle; 175import android.os.Debug; 176import android.os.Environment; 177import android.os.Environment.UserEnvironment; 178import android.os.FileUtils; 179import android.os.Handler; 180import android.os.IBinder; 181import android.os.Looper; 182import android.os.Message; 183import android.os.Parcel; 184import android.os.ParcelFileDescriptor; 185import android.os.Process; 186import android.os.RemoteCallbackList; 187import android.os.RemoteException; 188import android.os.ResultReceiver; 189import android.os.SELinux; 190import android.os.ServiceManager; 191import android.os.SystemClock; 192import android.os.SystemProperties; 193import android.os.Trace; 194import android.os.UserHandle; 195import android.os.UserManager; 196import android.os.UserManagerInternal; 197import android.os.storage.IMountService; 198import android.os.storage.MountServiceInternal; 199import android.os.storage.StorageEventListener; 200import android.os.storage.StorageManager; 201import android.os.storage.VolumeInfo; 202import android.os.storage.VolumeRecord; 203import android.provider.Settings.Global; 204import android.security.KeyStore; 205import android.security.SystemKeyStore; 206import android.system.ErrnoException; 207import android.system.Os; 208import android.text.TextUtils; 209import android.text.format.DateUtils; 210import android.util.ArrayMap; 211import android.util.ArraySet; 212import android.util.AtomicFile; 213import android.util.DisplayMetrics; 214import android.util.EventLog; 215import android.util.ExceptionUtils; 216import android.util.Log; 217import android.util.LogPrinter; 218import android.util.MathUtils; 219import android.util.PrintStreamPrinter; 220import android.util.Slog; 221import android.util.SparseArray; 222import android.util.SparseBooleanArray; 223import android.util.SparseIntArray; 224import android.util.Xml; 225import android.util.jar.StrictJarFile; 226import android.view.Display; 227 228import com.android.internal.R; 229import com.android.internal.annotations.GuardedBy; 230import com.android.internal.app.IMediaContainerService; 231import com.android.internal.app.ResolverActivity; 232import com.android.internal.content.NativeLibraryHelper; 233import com.android.internal.content.PackageHelper; 234import com.android.internal.logging.MetricsLogger; 235import com.android.internal.os.IParcelFileDescriptorFactory; 236import com.android.internal.os.InstallerConnection.InstallerException; 237import com.android.internal.os.SomeArgs; 238import com.android.internal.os.Zygote; 239import com.android.internal.telephony.CarrierAppUtils; 240import com.android.internal.util.ArrayUtils; 241import com.android.internal.util.FastPrintWriter; 242import com.android.internal.util.FastXmlSerializer; 243import com.android.internal.util.IndentingPrintWriter; 244import com.android.internal.util.Preconditions; 245import com.android.internal.util.XmlUtils; 246import com.android.server.AttributeCache; 247import com.android.server.EventLogTags; 248import com.android.server.FgThread; 249import com.android.server.IntentResolver; 250import com.android.server.LocalServices; 251import com.android.server.ServiceThread; 252import com.android.server.SystemConfig; 253import com.android.server.Watchdog; 254import com.android.server.net.NetworkPolicyManagerInternal; 255import com.android.server.pm.PermissionsState.PermissionState; 256import com.android.server.pm.Settings.DatabaseVersion; 257import com.android.server.pm.Settings.VersionInfo; 258import com.android.server.storage.DeviceStorageMonitorInternal; 259 260import dalvik.system.CloseGuard; 261import dalvik.system.DexFile; 262import dalvik.system.VMRuntime; 263 264import libcore.io.IoUtils; 265import libcore.util.EmptyArray; 266 267import org.xmlpull.v1.XmlPullParser; 268import org.xmlpull.v1.XmlPullParserException; 269import org.xmlpull.v1.XmlSerializer; 270 271import java.io.BufferedInputStream; 272import java.io.BufferedOutputStream; 273import java.io.BufferedReader; 274import java.io.ByteArrayInputStream; 275import java.io.ByteArrayOutputStream; 276import java.io.File; 277import java.io.FileDescriptor; 278import java.io.FileInputStream; 279import java.io.FileNotFoundException; 280import java.io.FileOutputStream; 281import java.io.FileReader; 282import java.io.FilenameFilter; 283import java.io.IOException; 284import java.io.InputStream; 285import java.io.PrintWriter; 286import java.nio.charset.StandardCharsets; 287import java.security.DigestInputStream; 288import java.security.MessageDigest; 289import java.security.NoSuchAlgorithmException; 290import java.security.PublicKey; 291import java.security.cert.Certificate; 292import java.security.cert.CertificateEncodingException; 293import java.security.cert.CertificateException; 294import java.text.SimpleDateFormat; 295import java.util.ArrayList; 296import java.util.Arrays; 297import java.util.Collection; 298import java.util.Collections; 299import java.util.Comparator; 300import java.util.Date; 301import java.util.HashSet; 302import java.util.Iterator; 303import java.util.List; 304import java.util.Map; 305import java.util.Objects; 306import java.util.Set; 307import java.util.concurrent.CountDownLatch; 308import java.util.concurrent.TimeUnit; 309import java.util.concurrent.atomic.AtomicBoolean; 310import java.util.concurrent.atomic.AtomicInteger; 311import java.util.concurrent.atomic.AtomicLong; 312 313/** 314 * Keep track of all those APKs everywhere. 315 * <p> 316 * Internally there are two important locks: 317 * <ul> 318 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 319 * and other related state. It is a fine-grained lock that should only be held 320 * momentarily, as it's one of the most contended locks in the system. 321 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 322 * operations typically involve heavy lifting of application data on disk. Since 323 * {@code installd} is single-threaded, and it's operations can often be slow, 324 * this lock should never be acquired while already holding {@link #mPackages}. 325 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 326 * holding {@link #mInstallLock}. 327 * </ul> 328 * Many internal methods rely on the caller to hold the appropriate locks, and 329 * this contract is expressed through method name suffixes: 330 * <ul> 331 * <li>fooLI(): the caller must hold {@link #mInstallLock} 332 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 333 * being modified must be frozen 334 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 335 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 336 * </ul> 337 * <p> 338 * Because this class is very central to the platform's security; please run all 339 * CTS and unit tests whenever making modifications: 340 * 341 * <pre> 342 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 343 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 344 * </pre> 345 */ 346public class PackageManagerService extends IPackageManager.Stub { 347 static final String TAG = "PackageManager"; 348 static final boolean DEBUG_SETTINGS = false; 349 static final boolean DEBUG_PREFERRED = false; 350 static final boolean DEBUG_UPGRADE = false; 351 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 352 private static final boolean DEBUG_BACKUP = false; 353 private static final boolean DEBUG_INSTALL = false; 354 private static final boolean DEBUG_REMOVE = false; 355 private static final boolean DEBUG_BROADCASTS = false; 356 private static final boolean DEBUG_SHOW_INFO = false; 357 private static final boolean DEBUG_PACKAGE_INFO = false; 358 private static final boolean DEBUG_INTENT_MATCHING = false; 359 private static final boolean DEBUG_PACKAGE_SCANNING = false; 360 private static final boolean DEBUG_VERIFY = false; 361 private static final boolean DEBUG_FILTERS = false; 362 363 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 364 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 365 // user, but by default initialize to this. 366 static final boolean DEBUG_DEXOPT = false; 367 368 private static final boolean DEBUG_ABI_SELECTION = false; 369 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 370 private static final boolean DEBUG_TRIAGED_MISSING = false; 371 private static final boolean DEBUG_APP_DATA = false; 372 373 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 374 375 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 376 377 private static final int RADIO_UID = Process.PHONE_UID; 378 private static final int LOG_UID = Process.LOG_UID; 379 private static final int NFC_UID = Process.NFC_UID; 380 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 381 private static final int SHELL_UID = Process.SHELL_UID; 382 383 // Cap the size of permission trees that 3rd party apps can define 384 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 385 386 // Suffix used during package installation when copying/moving 387 // package apks to install directory. 388 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 389 390 static final int SCAN_NO_DEX = 1<<1; 391 static final int SCAN_FORCE_DEX = 1<<2; 392 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 393 static final int SCAN_NEW_INSTALL = 1<<4; 394 static final int SCAN_NO_PATHS = 1<<5; 395 static final int SCAN_UPDATE_TIME = 1<<6; 396 static final int SCAN_DEFER_DEX = 1<<7; 397 static final int SCAN_BOOTING = 1<<8; 398 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 399 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 400 static final int SCAN_REPLACING = 1<<11; 401 static final int SCAN_REQUIRE_KNOWN = 1<<12; 402 static final int SCAN_MOVE = 1<<13; 403 static final int SCAN_INITIAL = 1<<14; 404 static final int SCAN_CHECK_ONLY = 1<<15; 405 static final int SCAN_DONT_KILL_APP = 1<<17; 406 static final int SCAN_IGNORE_FROZEN = 1<<18; 407 408 static final int REMOVE_CHATTY = 1<<16; 409 410 private static final int[] EMPTY_INT_ARRAY = new int[0]; 411 412 /** 413 * Timeout (in milliseconds) after which the watchdog should declare that 414 * our handler thread is wedged. The usual default for such things is one 415 * minute but we sometimes do very lengthy I/O operations on this thread, 416 * such as installing multi-gigabyte applications, so ours needs to be longer. 417 */ 418 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 419 420 /** 421 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 422 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 423 * settings entry if available, otherwise we use the hardcoded default. If it's been 424 * more than this long since the last fstrim, we force one during the boot sequence. 425 * 426 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 427 * one gets run at the next available charging+idle time. This final mandatory 428 * no-fstrim check kicks in only of the other scheduling criteria is never met. 429 */ 430 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 431 432 /** 433 * Whether verification is enabled by default. 434 */ 435 private static final boolean DEFAULT_VERIFY_ENABLE = true; 436 437 /** 438 * The default maximum time to wait for the verification agent to return in 439 * milliseconds. 440 */ 441 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 442 443 /** 444 * The default response for package verification timeout. 445 * 446 * This can be either PackageManager.VERIFICATION_ALLOW or 447 * PackageManager.VERIFICATION_REJECT. 448 */ 449 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 450 451 static final String PLATFORM_PACKAGE_NAME = "android"; 452 453 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 454 455 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 456 DEFAULT_CONTAINER_PACKAGE, 457 "com.android.defcontainer.DefaultContainerService"); 458 459 private static final String KILL_APP_REASON_GIDS_CHANGED = 460 "permission grant or revoke changed gids"; 461 462 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 463 "permissions revoked"; 464 465 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 466 467 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 468 469 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 470 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 471 472 /** Permission grant: not grant the permission. */ 473 private static final int GRANT_DENIED = 1; 474 475 /** Permission grant: grant the permission as an install permission. */ 476 private static final int GRANT_INSTALL = 2; 477 478 /** Permission grant: grant the permission as a runtime one. */ 479 private static final int GRANT_RUNTIME = 3; 480 481 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 482 private static final int GRANT_UPGRADE = 4; 483 484 /** Canonical intent used to identify what counts as a "web browser" app */ 485 private static final Intent sBrowserIntent; 486 static { 487 sBrowserIntent = new Intent(); 488 sBrowserIntent.setAction(Intent.ACTION_VIEW); 489 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 490 sBrowserIntent.setData(Uri.parse("http:")); 491 } 492 493 /** 494 * The set of all protected actions [i.e. those actions for which a high priority 495 * intent filter is disallowed]. 496 */ 497 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 498 static { 499 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 500 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 501 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 502 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 503 } 504 505 // Compilation reasons. 506 public static final int REASON_FIRST_BOOT = 0; 507 public static final int REASON_BOOT = 1; 508 public static final int REASON_INSTALL = 2; 509 public static final int REASON_BACKGROUND_DEXOPT = 3; 510 public static final int REASON_AB_OTA = 4; 511 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 512 public static final int REASON_SHARED_APK = 6; 513 public static final int REASON_FORCED_DEXOPT = 7; 514 public static final int REASON_CORE_APP = 8; 515 516 public static final int REASON_LAST = REASON_CORE_APP; 517 518 /** Special library name that skips shared libraries check during compilation. */ 519 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 520 521 final ServiceThread mHandlerThread; 522 523 final PackageHandler mHandler; 524 525 private final ProcessLoggingHandler mProcessLoggingHandler; 526 527 /** 528 * Messages for {@link #mHandler} that need to wait for system ready before 529 * being dispatched. 530 */ 531 private ArrayList<Message> mPostSystemReadyMessages; 532 533 final int mSdkVersion = Build.VERSION.SDK_INT; 534 535 final Context mContext; 536 final boolean mFactoryTest; 537 final boolean mOnlyCore; 538 final DisplayMetrics mMetrics; 539 final int mDefParseFlags; 540 final String[] mSeparateProcesses; 541 final boolean mIsUpgrade; 542 final boolean mIsPreNUpgrade; 543 544 /** The location for ASEC container files on internal storage. */ 545 final String mAsecInternalPath; 546 547 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 548 // LOCK HELD. Can be called with mInstallLock held. 549 @GuardedBy("mInstallLock") 550 final Installer mInstaller; 551 552 /** Directory where installed third-party apps stored */ 553 final File mAppInstallDir; 554 final File mEphemeralInstallDir; 555 556 /** 557 * Directory to which applications installed internally have their 558 * 32 bit native libraries copied. 559 */ 560 private File mAppLib32InstallDir; 561 562 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 563 // apps. 564 final File mDrmAppPrivateInstallDir; 565 566 // ---------------------------------------------------------------- 567 568 // Lock for state used when installing and doing other long running 569 // operations. Methods that must be called with this lock held have 570 // the suffix "LI". 571 final Object mInstallLock = new Object(); 572 573 // ---------------------------------------------------------------- 574 575 // Keys are String (package name), values are Package. This also serves 576 // as the lock for the global state. Methods that must be called with 577 // this lock held have the prefix "LP". 578 @GuardedBy("mPackages") 579 final ArrayMap<String, PackageParser.Package> mPackages = 580 new ArrayMap<String, PackageParser.Package>(); 581 582 final ArrayMap<String, Set<String>> mKnownCodebase = 583 new ArrayMap<String, Set<String>>(); 584 585 // Tracks available target package names -> overlay package paths. 586 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 587 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 588 589 /** 590 * Tracks new system packages [received in an OTA] that we expect to 591 * find updated user-installed versions. Keys are package name, values 592 * are package location. 593 */ 594 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 595 /** 596 * Tracks high priority intent filters for protected actions. During boot, certain 597 * filter actions are protected and should never be allowed to have a high priority 598 * intent filter for them. However, there is one, and only one exception -- the 599 * setup wizard. It must be able to define a high priority intent filter for these 600 * actions to ensure there are no escapes from the wizard. We need to delay processing 601 * of these during boot as we need to look at all of the system packages in order 602 * to know which component is the setup wizard. 603 */ 604 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 605 /** 606 * Whether or not processing protected filters should be deferred. 607 */ 608 private boolean mDeferProtectedFilters = true; 609 610 /** 611 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 612 */ 613 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 614 /** 615 * Whether or not system app permissions should be promoted from install to runtime. 616 */ 617 boolean mPromoteSystemApps; 618 619 @GuardedBy("mPackages") 620 final Settings mSettings; 621 622 /** 623 * Set of package names that are currently "frozen", which means active 624 * surgery is being done on the code/data for that package. The platform 625 * will refuse to launch frozen packages to avoid race conditions. 626 * 627 * @see PackageFreezer 628 */ 629 @GuardedBy("mPackages") 630 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 631 632 final ProtectedPackages mProtectedPackages; 633 634 boolean mFirstBoot; 635 636 // System configuration read by SystemConfig. 637 final int[] mGlobalGids; 638 final SparseArray<ArraySet<String>> mSystemPermissions; 639 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 640 641 // If mac_permissions.xml was found for seinfo labeling. 642 boolean mFoundPolicyFile; 643 644 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 645 646 public static final class SharedLibraryEntry { 647 public final String path; 648 public final String apk; 649 650 SharedLibraryEntry(String _path, String _apk) { 651 path = _path; 652 apk = _apk; 653 } 654 } 655 656 // Currently known shared libraries. 657 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 658 new ArrayMap<String, SharedLibraryEntry>(); 659 660 // All available activities, for your resolving pleasure. 661 final ActivityIntentResolver mActivities = 662 new ActivityIntentResolver(); 663 664 // All available receivers, for your resolving pleasure. 665 final ActivityIntentResolver mReceivers = 666 new ActivityIntentResolver(); 667 668 // All available services, for your resolving pleasure. 669 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 670 671 // All available providers, for your resolving pleasure. 672 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 673 674 // Mapping from provider base names (first directory in content URI codePath) 675 // to the provider information. 676 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 677 new ArrayMap<String, PackageParser.Provider>(); 678 679 // Mapping from instrumentation class names to info about them. 680 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 681 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 682 683 // Mapping from permission names to info about them. 684 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 685 new ArrayMap<String, PackageParser.PermissionGroup>(); 686 687 // Packages whose data we have transfered into another package, thus 688 // should no longer exist. 689 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 690 691 // Broadcast actions that are only available to the system. 692 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 693 694 /** List of packages waiting for verification. */ 695 final SparseArray<PackageVerificationState> mPendingVerification 696 = new SparseArray<PackageVerificationState>(); 697 698 /** Set of packages associated with each app op permission. */ 699 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 700 701 final PackageInstallerService mInstallerService; 702 703 private final PackageDexOptimizer mPackageDexOptimizer; 704 705 private AtomicInteger mNextMoveId = new AtomicInteger(); 706 private final MoveCallbacks mMoveCallbacks; 707 708 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 709 710 // Cache of users who need badging. 711 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 712 713 /** Token for keys in mPendingVerification. */ 714 private int mPendingVerificationToken = 0; 715 716 volatile boolean mSystemReady; 717 volatile boolean mSafeMode; 718 volatile boolean mHasSystemUidErrors; 719 720 ApplicationInfo mAndroidApplication; 721 final ActivityInfo mResolveActivity = new ActivityInfo(); 722 final ResolveInfo mResolveInfo = new ResolveInfo(); 723 ComponentName mResolveComponentName; 724 PackageParser.Package mPlatformPackage; 725 ComponentName mCustomResolverComponentName; 726 727 boolean mResolverReplaced = false; 728 729 private final @Nullable ComponentName mIntentFilterVerifierComponent; 730 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 731 732 private int mIntentFilterVerificationToken = 0; 733 734 /** Component that knows whether or not an ephemeral application exists */ 735 final ComponentName mEphemeralResolverComponent; 736 /** The service connection to the ephemeral resolver */ 737 final EphemeralResolverConnection mEphemeralResolverConnection; 738 739 /** Component used to install ephemeral applications */ 740 final ComponentName mEphemeralInstallerComponent; 741 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 742 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 743 744 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 745 = new SparseArray<IntentFilterVerificationState>(); 746 747 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 748 new DefaultPermissionGrantPolicy(this); 749 750 // List of packages names to keep cached, even if they are uninstalled for all users 751 private List<String> mKeepUninstalledPackages; 752 753 private UserManagerInternal mUserManagerInternal; 754 755 private static class IFVerificationParams { 756 PackageParser.Package pkg; 757 boolean replacing; 758 int userId; 759 int verifierUid; 760 761 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 762 int _userId, int _verifierUid) { 763 pkg = _pkg; 764 replacing = _replacing; 765 userId = _userId; 766 replacing = _replacing; 767 verifierUid = _verifierUid; 768 } 769 } 770 771 private interface IntentFilterVerifier<T extends IntentFilter> { 772 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 773 T filter, String packageName); 774 void startVerifications(int userId); 775 void receiveVerificationResponse(int verificationId); 776 } 777 778 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 779 private Context mContext; 780 private ComponentName mIntentFilterVerifierComponent; 781 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 782 783 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 784 mContext = context; 785 mIntentFilterVerifierComponent = verifierComponent; 786 } 787 788 private String getDefaultScheme() { 789 return IntentFilter.SCHEME_HTTPS; 790 } 791 792 @Override 793 public void startVerifications(int userId) { 794 // Launch verifications requests 795 int count = mCurrentIntentFilterVerifications.size(); 796 for (int n=0; n<count; n++) { 797 int verificationId = mCurrentIntentFilterVerifications.get(n); 798 final IntentFilterVerificationState ivs = 799 mIntentFilterVerificationStates.get(verificationId); 800 801 String packageName = ivs.getPackageName(); 802 803 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 804 final int filterCount = filters.size(); 805 ArraySet<String> domainsSet = new ArraySet<>(); 806 for (int m=0; m<filterCount; m++) { 807 PackageParser.ActivityIntentInfo filter = filters.get(m); 808 domainsSet.addAll(filter.getHostsList()); 809 } 810 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 811 synchronized (mPackages) { 812 if (mSettings.createIntentFilterVerificationIfNeededLPw( 813 packageName, domainsList) != null) { 814 scheduleWriteSettingsLocked(); 815 } 816 } 817 sendVerificationRequest(userId, verificationId, ivs); 818 } 819 mCurrentIntentFilterVerifications.clear(); 820 } 821 822 private void sendVerificationRequest(int userId, int verificationId, 823 IntentFilterVerificationState ivs) { 824 825 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 826 verificationIntent.putExtra( 827 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 828 verificationId); 829 verificationIntent.putExtra( 830 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 831 getDefaultScheme()); 832 verificationIntent.putExtra( 833 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 834 ivs.getHostsString()); 835 verificationIntent.putExtra( 836 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 837 ivs.getPackageName()); 838 verificationIntent.setComponent(mIntentFilterVerifierComponent); 839 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 840 841 UserHandle user = new UserHandle(userId); 842 mContext.sendBroadcastAsUser(verificationIntent, user); 843 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 844 "Sending IntentFilter verification broadcast"); 845 } 846 847 public void receiveVerificationResponse(int verificationId) { 848 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 849 850 final boolean verified = ivs.isVerified(); 851 852 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 853 final int count = filters.size(); 854 if (DEBUG_DOMAIN_VERIFICATION) { 855 Slog.i(TAG, "Received verification response " + verificationId 856 + " for " + count + " filters, verified=" + verified); 857 } 858 for (int n=0; n<count; n++) { 859 PackageParser.ActivityIntentInfo filter = filters.get(n); 860 filter.setVerified(verified); 861 862 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 863 + " verified with result:" + verified + " and hosts:" 864 + ivs.getHostsString()); 865 } 866 867 mIntentFilterVerificationStates.remove(verificationId); 868 869 final String packageName = ivs.getPackageName(); 870 IntentFilterVerificationInfo ivi = null; 871 872 synchronized (mPackages) { 873 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 874 } 875 if (ivi == null) { 876 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 877 + verificationId + " packageName:" + packageName); 878 return; 879 } 880 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 881 "Updating IntentFilterVerificationInfo for package " + packageName 882 +" verificationId:" + verificationId); 883 884 synchronized (mPackages) { 885 if (verified) { 886 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 887 } else { 888 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 889 } 890 scheduleWriteSettingsLocked(); 891 892 final int userId = ivs.getUserId(); 893 if (userId != UserHandle.USER_ALL) { 894 final int userStatus = 895 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 896 897 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 898 boolean needUpdate = false; 899 900 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 901 // already been set by the User thru the Disambiguation dialog 902 switch (userStatus) { 903 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 904 if (verified) { 905 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 906 } else { 907 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 908 } 909 needUpdate = true; 910 break; 911 912 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 913 if (verified) { 914 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 915 needUpdate = true; 916 } 917 break; 918 919 default: 920 // Nothing to do 921 } 922 923 if (needUpdate) { 924 mSettings.updateIntentFilterVerificationStatusLPw( 925 packageName, updatedStatus, userId); 926 scheduleWritePackageRestrictionsLocked(userId); 927 } 928 } 929 } 930 } 931 932 @Override 933 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 934 ActivityIntentInfo filter, String packageName) { 935 if (!hasValidDomains(filter)) { 936 return false; 937 } 938 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 939 if (ivs == null) { 940 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 941 packageName); 942 } 943 if (DEBUG_DOMAIN_VERIFICATION) { 944 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 945 } 946 ivs.addFilter(filter); 947 return true; 948 } 949 950 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 951 int userId, int verificationId, String packageName) { 952 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 953 verifierUid, userId, packageName); 954 ivs.setPendingState(); 955 synchronized (mPackages) { 956 mIntentFilterVerificationStates.append(verificationId, ivs); 957 mCurrentIntentFilterVerifications.add(verificationId); 958 } 959 return ivs; 960 } 961 } 962 963 private static boolean hasValidDomains(ActivityIntentInfo filter) { 964 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 965 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 966 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 967 } 968 969 // Set of pending broadcasts for aggregating enable/disable of components. 970 static class PendingPackageBroadcasts { 971 // for each user id, a map of <package name -> components within that package> 972 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 973 974 public PendingPackageBroadcasts() { 975 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 976 } 977 978 public ArrayList<String> get(int userId, String packageName) { 979 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 980 return packages.get(packageName); 981 } 982 983 public void put(int userId, String packageName, ArrayList<String> components) { 984 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 985 packages.put(packageName, components); 986 } 987 988 public void remove(int userId, String packageName) { 989 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 990 if (packages != null) { 991 packages.remove(packageName); 992 } 993 } 994 995 public void remove(int userId) { 996 mUidMap.remove(userId); 997 } 998 999 public int userIdCount() { 1000 return mUidMap.size(); 1001 } 1002 1003 public int userIdAt(int n) { 1004 return mUidMap.keyAt(n); 1005 } 1006 1007 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1008 return mUidMap.get(userId); 1009 } 1010 1011 public int size() { 1012 // total number of pending broadcast entries across all userIds 1013 int num = 0; 1014 for (int i = 0; i< mUidMap.size(); i++) { 1015 num += mUidMap.valueAt(i).size(); 1016 } 1017 return num; 1018 } 1019 1020 public void clear() { 1021 mUidMap.clear(); 1022 } 1023 1024 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1025 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1026 if (map == null) { 1027 map = new ArrayMap<String, ArrayList<String>>(); 1028 mUidMap.put(userId, map); 1029 } 1030 return map; 1031 } 1032 } 1033 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1034 1035 // Service Connection to remote media container service to copy 1036 // package uri's from external media onto secure containers 1037 // or internal storage. 1038 private IMediaContainerService mContainerService = null; 1039 1040 static final int SEND_PENDING_BROADCAST = 1; 1041 static final int MCS_BOUND = 3; 1042 static final int END_COPY = 4; 1043 static final int INIT_COPY = 5; 1044 static final int MCS_UNBIND = 6; 1045 static final int START_CLEANING_PACKAGE = 7; 1046 static final int FIND_INSTALL_LOC = 8; 1047 static final int POST_INSTALL = 9; 1048 static final int MCS_RECONNECT = 10; 1049 static final int MCS_GIVE_UP = 11; 1050 static final int UPDATED_MEDIA_STATUS = 12; 1051 static final int WRITE_SETTINGS = 13; 1052 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1053 static final int PACKAGE_VERIFIED = 15; 1054 static final int CHECK_PENDING_VERIFICATION = 16; 1055 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1056 static final int INTENT_FILTER_VERIFIED = 18; 1057 static final int WRITE_PACKAGE_LIST = 19; 1058 1059 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1060 1061 // Delay time in millisecs 1062 static final int BROADCAST_DELAY = 10 * 1000; 1063 1064 static UserManagerService sUserManager; 1065 1066 // Stores a list of users whose package restrictions file needs to be updated 1067 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1068 1069 final private DefaultContainerConnection mDefContainerConn = 1070 new DefaultContainerConnection(); 1071 class DefaultContainerConnection implements ServiceConnection { 1072 public void onServiceConnected(ComponentName name, IBinder service) { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1074 IMediaContainerService imcs = 1075 IMediaContainerService.Stub.asInterface(service); 1076 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1077 } 1078 1079 public void onServiceDisconnected(ComponentName name) { 1080 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1081 } 1082 } 1083 1084 // Recordkeeping of restore-after-install operations that are currently in flight 1085 // between the Package Manager and the Backup Manager 1086 static class PostInstallData { 1087 public InstallArgs args; 1088 public PackageInstalledInfo res; 1089 1090 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1091 args = _a; 1092 res = _r; 1093 } 1094 } 1095 1096 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1097 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1098 1099 // XML tags for backup/restore of various bits of state 1100 private static final String TAG_PREFERRED_BACKUP = "pa"; 1101 private static final String TAG_DEFAULT_APPS = "da"; 1102 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1103 1104 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1105 private static final String TAG_ALL_GRANTS = "rt-grants"; 1106 private static final String TAG_GRANT = "grant"; 1107 private static final String ATTR_PACKAGE_NAME = "pkg"; 1108 1109 private static final String TAG_PERMISSION = "perm"; 1110 private static final String ATTR_PERMISSION_NAME = "name"; 1111 private static final String ATTR_IS_GRANTED = "g"; 1112 private static final String ATTR_USER_SET = "set"; 1113 private static final String ATTR_USER_FIXED = "fixed"; 1114 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1115 1116 // System/policy permission grants are not backed up 1117 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1118 FLAG_PERMISSION_POLICY_FIXED 1119 | FLAG_PERMISSION_SYSTEM_FIXED 1120 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1121 1122 // And we back up these user-adjusted states 1123 private static final int USER_RUNTIME_GRANT_MASK = 1124 FLAG_PERMISSION_USER_SET 1125 | FLAG_PERMISSION_USER_FIXED 1126 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1127 1128 final @Nullable String mRequiredVerifierPackage; 1129 final @NonNull String mRequiredInstallerPackage; 1130 final @Nullable String mSetupWizardPackage; 1131 final @NonNull String mServicesSystemSharedLibraryPackageName; 1132 final @NonNull String mSharedSystemSharedLibraryPackageName; 1133 1134 private final PackageUsage mPackageUsage = new PackageUsage(); 1135 1136 private class PackageUsage { 1137 private static final int WRITE_INTERVAL 1138 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1139 1140 private final Object mFileLock = new Object(); 1141 private final AtomicLong mLastWritten = new AtomicLong(0); 1142 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1143 1144 private boolean mIsHistoricalPackageUsageAvailable = true; 1145 1146 boolean isHistoricalPackageUsageAvailable() { 1147 return mIsHistoricalPackageUsageAvailable; 1148 } 1149 1150 void write(boolean force) { 1151 if (force) { 1152 writeInternal(); 1153 return; 1154 } 1155 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1156 && !DEBUG_DEXOPT) { 1157 return; 1158 } 1159 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1160 new Thread("PackageUsage_DiskWriter") { 1161 @Override 1162 public void run() { 1163 try { 1164 writeInternal(); 1165 } finally { 1166 mBackgroundWriteRunning.set(false); 1167 } 1168 } 1169 }.start(); 1170 } 1171 } 1172 1173 private void writeInternal() { 1174 synchronized (mPackages) { 1175 synchronized (mFileLock) { 1176 AtomicFile file = getFile(); 1177 FileOutputStream f = null; 1178 try { 1179 f = file.startWrite(); 1180 BufferedOutputStream out = new BufferedOutputStream(f); 1181 FileUtils.setPermissions(file.getBaseFile().getPath(), 1182 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1183 StringBuilder sb = new StringBuilder(); 1184 1185 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1186 sb.append('\n'); 1187 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1188 1189 for (PackageParser.Package pkg : mPackages.values()) { 1190 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1191 continue; 1192 } 1193 sb.setLength(0); 1194 sb.append(pkg.packageName); 1195 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1196 sb.append(' '); 1197 sb.append(usageTimeInMillis); 1198 } 1199 sb.append('\n'); 1200 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1201 } 1202 out.flush(); 1203 file.finishWrite(f); 1204 } catch (IOException e) { 1205 if (f != null) { 1206 file.failWrite(f); 1207 } 1208 Log.e(TAG, "Failed to write package usage times", e); 1209 } 1210 } 1211 } 1212 mLastWritten.set(SystemClock.elapsedRealtime()); 1213 } 1214 1215 void readLP() { 1216 synchronized (mFileLock) { 1217 AtomicFile file = getFile(); 1218 BufferedInputStream in = null; 1219 try { 1220 in = new BufferedInputStream(file.openRead()); 1221 StringBuffer sb = new StringBuffer(); 1222 1223 String firstLine = readLine(in, sb); 1224 if (firstLine == null) { 1225 // Empty file. Do nothing. 1226 } else if (USAGE_FILE_MAGIC_VERSION_1.equals(firstLine)) { 1227 readVersion1LP(in, sb); 1228 } else { 1229 readVersion0LP(in, sb, firstLine); 1230 } 1231 } catch (FileNotFoundException expected) { 1232 mIsHistoricalPackageUsageAvailable = false; 1233 } catch (IOException e) { 1234 Log.w(TAG, "Failed to read package usage times", e); 1235 } finally { 1236 IoUtils.closeQuietly(in); 1237 } 1238 } 1239 mLastWritten.set(SystemClock.elapsedRealtime()); 1240 } 1241 1242 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1243 throws IOException { 1244 // Initial version of the file had no version number and stored one 1245 // package-timestamp pair per line. 1246 // Note that the first line has already been read from the InputStream. 1247 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1248 String[] tokens = line.split(" "); 1249 if (tokens.length != 2) { 1250 throw new IOException("Failed to parse " + line + 1251 " as package-timestamp pair."); 1252 } 1253 1254 String packageName = tokens[0]; 1255 PackageParser.Package pkg = mPackages.get(packageName); 1256 if (pkg == null) { 1257 continue; 1258 } 1259 1260 long timestamp = parseAsLong(tokens[1]); 1261 for (int reason = 0; 1262 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1263 reason++) { 1264 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1265 } 1266 } 1267 } 1268 1269 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1270 // Version 1 of the file started with the corresponding version 1271 // number and then stored a package name and eight timestamps per line. 1272 String line; 1273 while ((line = readLine(in, sb)) != null) { 1274 String[] tokens = line.split(" "); 1275 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1276 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1277 } 1278 1279 String packageName = tokens[0]; 1280 PackageParser.Package pkg = mPackages.get(packageName); 1281 if (pkg == null) { 1282 continue; 1283 } 1284 1285 for (int reason = 0; 1286 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1287 reason++) { 1288 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1289 } 1290 } 1291 } 1292 1293 private long parseAsLong(String token) throws IOException { 1294 try { 1295 return Long.parseLong(token); 1296 } catch (NumberFormatException e) { 1297 throw new IOException("Failed to parse " + token + " as a long.", e); 1298 } 1299 } 1300 1301 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1302 return readToken(in, sb, '\n'); 1303 } 1304 1305 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1306 throws IOException { 1307 sb.setLength(0); 1308 while (true) { 1309 int ch = in.read(); 1310 if (ch == -1) { 1311 if (sb.length() == 0) { 1312 return null; 1313 } 1314 throw new IOException("Unexpected EOF"); 1315 } 1316 if (ch == endOfToken) { 1317 return sb.toString(); 1318 } 1319 sb.append((char)ch); 1320 } 1321 } 1322 1323 private AtomicFile getFile() { 1324 File dataDir = Environment.getDataDirectory(); 1325 File systemDir = new File(dataDir, "system"); 1326 File fname = new File(systemDir, "package-usage.list"); 1327 return new AtomicFile(fname); 1328 } 1329 1330 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1331 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1332 } 1333 1334 class PackageHandler extends Handler { 1335 private boolean mBound = false; 1336 final ArrayList<HandlerParams> mPendingInstalls = 1337 new ArrayList<HandlerParams>(); 1338 1339 private boolean connectToService() { 1340 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1341 " DefaultContainerService"); 1342 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1344 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1345 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1346 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1347 mBound = true; 1348 return true; 1349 } 1350 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1351 return false; 1352 } 1353 1354 private void disconnectService() { 1355 mContainerService = null; 1356 mBound = false; 1357 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1358 mContext.unbindService(mDefContainerConn); 1359 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1360 } 1361 1362 PackageHandler(Looper looper) { 1363 super(looper); 1364 } 1365 1366 public void handleMessage(Message msg) { 1367 try { 1368 doHandleMessage(msg); 1369 } finally { 1370 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1371 } 1372 } 1373 1374 void doHandleMessage(Message msg) { 1375 switch (msg.what) { 1376 case INIT_COPY: { 1377 HandlerParams params = (HandlerParams) msg.obj; 1378 int idx = mPendingInstalls.size(); 1379 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1380 // If a bind was already initiated we dont really 1381 // need to do anything. The pending install 1382 // will be processed later on. 1383 if (!mBound) { 1384 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1385 System.identityHashCode(mHandler)); 1386 // If this is the only one pending we might 1387 // have to bind to the service again. 1388 if (!connectToService()) { 1389 Slog.e(TAG, "Failed to bind to media container service"); 1390 params.serviceError(); 1391 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1392 System.identityHashCode(mHandler)); 1393 if (params.traceMethod != null) { 1394 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1395 params.traceCookie); 1396 } 1397 return; 1398 } else { 1399 // Once we bind to the service, the first 1400 // pending request will be processed. 1401 mPendingInstalls.add(idx, params); 1402 } 1403 } else { 1404 mPendingInstalls.add(idx, params); 1405 // Already bound to the service. Just make 1406 // sure we trigger off processing the first request. 1407 if (idx == 0) { 1408 mHandler.sendEmptyMessage(MCS_BOUND); 1409 } 1410 } 1411 break; 1412 } 1413 case MCS_BOUND: { 1414 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1415 if (msg.obj != null) { 1416 mContainerService = (IMediaContainerService) msg.obj; 1417 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1418 System.identityHashCode(mHandler)); 1419 } 1420 if (mContainerService == null) { 1421 if (!mBound) { 1422 // Something seriously wrong since we are not bound and we are not 1423 // waiting for connection. Bail out. 1424 Slog.e(TAG, "Cannot bind to media container service"); 1425 for (HandlerParams params : mPendingInstalls) { 1426 // Indicate service bind error 1427 params.serviceError(); 1428 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1429 System.identityHashCode(params)); 1430 if (params.traceMethod != null) { 1431 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1432 params.traceMethod, params.traceCookie); 1433 } 1434 return; 1435 } 1436 mPendingInstalls.clear(); 1437 } else { 1438 Slog.w(TAG, "Waiting to connect to media container service"); 1439 } 1440 } else if (mPendingInstalls.size() > 0) { 1441 HandlerParams params = mPendingInstalls.get(0); 1442 if (params != null) { 1443 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1444 System.identityHashCode(params)); 1445 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1446 if (params.startCopy()) { 1447 // We are done... look for more work or to 1448 // go idle. 1449 if (DEBUG_SD_INSTALL) Log.i(TAG, 1450 "Checking for more work or unbind..."); 1451 // Delete pending install 1452 if (mPendingInstalls.size() > 0) { 1453 mPendingInstalls.remove(0); 1454 } 1455 if (mPendingInstalls.size() == 0) { 1456 if (mBound) { 1457 if (DEBUG_SD_INSTALL) Log.i(TAG, 1458 "Posting delayed MCS_UNBIND"); 1459 removeMessages(MCS_UNBIND); 1460 Message ubmsg = obtainMessage(MCS_UNBIND); 1461 // Unbind after a little delay, to avoid 1462 // continual thrashing. 1463 sendMessageDelayed(ubmsg, 10000); 1464 } 1465 } else { 1466 // There are more pending requests in queue. 1467 // Just post MCS_BOUND message to trigger processing 1468 // of next pending install. 1469 if (DEBUG_SD_INSTALL) Log.i(TAG, 1470 "Posting MCS_BOUND for next work"); 1471 mHandler.sendEmptyMessage(MCS_BOUND); 1472 } 1473 } 1474 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1475 } 1476 } else { 1477 // Should never happen ideally. 1478 Slog.w(TAG, "Empty queue"); 1479 } 1480 break; 1481 } 1482 case MCS_RECONNECT: { 1483 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1484 if (mPendingInstalls.size() > 0) { 1485 if (mBound) { 1486 disconnectService(); 1487 } 1488 if (!connectToService()) { 1489 Slog.e(TAG, "Failed to bind to media container service"); 1490 for (HandlerParams params : mPendingInstalls) { 1491 // Indicate service bind error 1492 params.serviceError(); 1493 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1494 System.identityHashCode(params)); 1495 } 1496 mPendingInstalls.clear(); 1497 } 1498 } 1499 break; 1500 } 1501 case MCS_UNBIND: { 1502 // If there is no actual work left, then time to unbind. 1503 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1504 1505 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1506 if (mBound) { 1507 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1508 1509 disconnectService(); 1510 } 1511 } else if (mPendingInstalls.size() > 0) { 1512 // There are more pending requests in queue. 1513 // Just post MCS_BOUND message to trigger processing 1514 // of next pending install. 1515 mHandler.sendEmptyMessage(MCS_BOUND); 1516 } 1517 1518 break; 1519 } 1520 case MCS_GIVE_UP: { 1521 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1522 HandlerParams params = mPendingInstalls.remove(0); 1523 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1524 System.identityHashCode(params)); 1525 break; 1526 } 1527 case SEND_PENDING_BROADCAST: { 1528 String packages[]; 1529 ArrayList<String> components[]; 1530 int size = 0; 1531 int uids[]; 1532 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1533 synchronized (mPackages) { 1534 if (mPendingBroadcasts == null) { 1535 return; 1536 } 1537 size = mPendingBroadcasts.size(); 1538 if (size <= 0) { 1539 // Nothing to be done. Just return 1540 return; 1541 } 1542 packages = new String[size]; 1543 components = new ArrayList[size]; 1544 uids = new int[size]; 1545 int i = 0; // filling out the above arrays 1546 1547 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1548 int packageUserId = mPendingBroadcasts.userIdAt(n); 1549 Iterator<Map.Entry<String, ArrayList<String>>> it 1550 = mPendingBroadcasts.packagesForUserId(packageUserId) 1551 .entrySet().iterator(); 1552 while (it.hasNext() && i < size) { 1553 Map.Entry<String, ArrayList<String>> ent = it.next(); 1554 packages[i] = ent.getKey(); 1555 components[i] = ent.getValue(); 1556 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1557 uids[i] = (ps != null) 1558 ? UserHandle.getUid(packageUserId, ps.appId) 1559 : -1; 1560 i++; 1561 } 1562 } 1563 size = i; 1564 mPendingBroadcasts.clear(); 1565 } 1566 // Send broadcasts 1567 for (int i = 0; i < size; i++) { 1568 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1569 } 1570 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1571 break; 1572 } 1573 case START_CLEANING_PACKAGE: { 1574 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1575 final String packageName = (String)msg.obj; 1576 final int userId = msg.arg1; 1577 final boolean andCode = msg.arg2 != 0; 1578 synchronized (mPackages) { 1579 if (userId == UserHandle.USER_ALL) { 1580 int[] users = sUserManager.getUserIds(); 1581 for (int user : users) { 1582 mSettings.addPackageToCleanLPw( 1583 new PackageCleanItem(user, packageName, andCode)); 1584 } 1585 } else { 1586 mSettings.addPackageToCleanLPw( 1587 new PackageCleanItem(userId, packageName, andCode)); 1588 } 1589 } 1590 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1591 startCleaningPackages(); 1592 } break; 1593 case POST_INSTALL: { 1594 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1595 1596 PostInstallData data = mRunningInstalls.get(msg.arg1); 1597 final boolean didRestore = (msg.arg2 != 0); 1598 mRunningInstalls.delete(msg.arg1); 1599 1600 if (data != null) { 1601 InstallArgs args = data.args; 1602 PackageInstalledInfo parentRes = data.res; 1603 1604 final boolean grantPermissions = (args.installFlags 1605 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1606 final boolean killApp = (args.installFlags 1607 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1608 final String[] grantedPermissions = args.installGrantPermissions; 1609 1610 // Handle the parent package 1611 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1612 grantedPermissions, didRestore, args.installerPackageName, 1613 args.observer); 1614 1615 // Handle the child packages 1616 final int childCount = (parentRes.addedChildPackages != null) 1617 ? parentRes.addedChildPackages.size() : 0; 1618 for (int i = 0; i < childCount; i++) { 1619 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1620 handlePackagePostInstall(childRes, grantPermissions, killApp, 1621 grantedPermissions, false, args.installerPackageName, 1622 args.observer); 1623 } 1624 1625 // Log tracing if needed 1626 if (args.traceMethod != null) { 1627 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1628 args.traceCookie); 1629 } 1630 } else { 1631 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1632 } 1633 1634 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1635 } break; 1636 case UPDATED_MEDIA_STATUS: { 1637 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1638 boolean reportStatus = msg.arg1 == 1; 1639 boolean doGc = msg.arg2 == 1; 1640 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1641 if (doGc) { 1642 // Force a gc to clear up stale containers. 1643 Runtime.getRuntime().gc(); 1644 } 1645 if (msg.obj != null) { 1646 @SuppressWarnings("unchecked") 1647 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1648 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1649 // Unload containers 1650 unloadAllContainers(args); 1651 } 1652 if (reportStatus) { 1653 try { 1654 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1655 PackageHelper.getMountService().finishMediaUpdate(); 1656 } catch (RemoteException e) { 1657 Log.e(TAG, "MountService not running?"); 1658 } 1659 } 1660 } break; 1661 case WRITE_SETTINGS: { 1662 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1663 synchronized (mPackages) { 1664 removeMessages(WRITE_SETTINGS); 1665 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1666 mSettings.writeLPr(); 1667 mDirtyUsers.clear(); 1668 } 1669 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1670 } break; 1671 case WRITE_PACKAGE_RESTRICTIONS: { 1672 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1673 synchronized (mPackages) { 1674 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1675 for (int userId : mDirtyUsers) { 1676 mSettings.writePackageRestrictionsLPr(userId); 1677 } 1678 mDirtyUsers.clear(); 1679 } 1680 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1681 } break; 1682 case WRITE_PACKAGE_LIST: { 1683 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1684 synchronized (mPackages) { 1685 removeMessages(WRITE_PACKAGE_LIST); 1686 mSettings.writePackageListLPr(msg.arg1); 1687 } 1688 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1689 } break; 1690 case CHECK_PENDING_VERIFICATION: { 1691 final int verificationId = msg.arg1; 1692 final PackageVerificationState state = mPendingVerification.get(verificationId); 1693 1694 if ((state != null) && !state.timeoutExtended()) { 1695 final InstallArgs args = state.getInstallArgs(); 1696 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1697 1698 Slog.i(TAG, "Verification timed out for " + originUri); 1699 mPendingVerification.remove(verificationId); 1700 1701 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1702 1703 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1704 Slog.i(TAG, "Continuing with installation of " + originUri); 1705 state.setVerifierResponse(Binder.getCallingUid(), 1706 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1707 broadcastPackageVerified(verificationId, originUri, 1708 PackageManager.VERIFICATION_ALLOW, 1709 state.getInstallArgs().getUser()); 1710 try { 1711 ret = args.copyApk(mContainerService, true); 1712 } catch (RemoteException e) { 1713 Slog.e(TAG, "Could not contact the ContainerService"); 1714 } 1715 } else { 1716 broadcastPackageVerified(verificationId, originUri, 1717 PackageManager.VERIFICATION_REJECT, 1718 state.getInstallArgs().getUser()); 1719 } 1720 1721 Trace.asyncTraceEnd( 1722 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1723 1724 processPendingInstall(args, ret); 1725 mHandler.sendEmptyMessage(MCS_UNBIND); 1726 } 1727 break; 1728 } 1729 case PACKAGE_VERIFIED: { 1730 final int verificationId = msg.arg1; 1731 1732 final PackageVerificationState state = mPendingVerification.get(verificationId); 1733 if (state == null) { 1734 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1735 break; 1736 } 1737 1738 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1739 1740 state.setVerifierResponse(response.callerUid, response.code); 1741 1742 if (state.isVerificationComplete()) { 1743 mPendingVerification.remove(verificationId); 1744 1745 final InstallArgs args = state.getInstallArgs(); 1746 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1747 1748 int ret; 1749 if (state.isInstallAllowed()) { 1750 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1751 broadcastPackageVerified(verificationId, originUri, 1752 response.code, state.getInstallArgs().getUser()); 1753 try { 1754 ret = args.copyApk(mContainerService, true); 1755 } catch (RemoteException e) { 1756 Slog.e(TAG, "Could not contact the ContainerService"); 1757 } 1758 } else { 1759 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1760 } 1761 1762 Trace.asyncTraceEnd( 1763 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1764 1765 processPendingInstall(args, ret); 1766 mHandler.sendEmptyMessage(MCS_UNBIND); 1767 } 1768 1769 break; 1770 } 1771 case START_INTENT_FILTER_VERIFICATIONS: { 1772 IFVerificationParams params = (IFVerificationParams) msg.obj; 1773 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1774 params.replacing, params.pkg); 1775 break; 1776 } 1777 case INTENT_FILTER_VERIFIED: { 1778 final int verificationId = msg.arg1; 1779 1780 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1781 verificationId); 1782 if (state == null) { 1783 Slog.w(TAG, "Invalid IntentFilter verification token " 1784 + verificationId + " received"); 1785 break; 1786 } 1787 1788 final int userId = state.getUserId(); 1789 1790 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1791 "Processing IntentFilter verification with token:" 1792 + verificationId + " and userId:" + userId); 1793 1794 final IntentFilterVerificationResponse response = 1795 (IntentFilterVerificationResponse) msg.obj; 1796 1797 state.setVerifierResponse(response.callerUid, response.code); 1798 1799 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1800 "IntentFilter verification with token:" + verificationId 1801 + " and userId:" + userId 1802 + " is settings verifier response with response code:" 1803 + response.code); 1804 1805 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1806 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1807 + response.getFailedDomainsString()); 1808 } 1809 1810 if (state.isVerificationComplete()) { 1811 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1812 } else { 1813 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1814 "IntentFilter verification with token:" + verificationId 1815 + " was not said to be complete"); 1816 } 1817 1818 break; 1819 } 1820 } 1821 } 1822 } 1823 1824 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1825 boolean killApp, String[] grantedPermissions, 1826 boolean launchedForRestore, String installerPackage, 1827 IPackageInstallObserver2 installObserver) { 1828 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1829 // Send the removed broadcasts 1830 if (res.removedInfo != null) { 1831 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1832 } 1833 1834 // Now that we successfully installed the package, grant runtime 1835 // permissions if requested before broadcasting the install. 1836 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1837 >= Build.VERSION_CODES.M) { 1838 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1839 } 1840 1841 final boolean update = res.removedInfo != null 1842 && res.removedInfo.removedPackage != null; 1843 1844 // If this is the first time we have child packages for a disabled privileged 1845 // app that had no children, we grant requested runtime permissions to the new 1846 // children if the parent on the system image had them already granted. 1847 if (res.pkg.parentPackage != null) { 1848 synchronized (mPackages) { 1849 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1850 } 1851 } 1852 1853 synchronized (mPackages) { 1854 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1855 } 1856 1857 final String packageName = res.pkg.applicationInfo.packageName; 1858 Bundle extras = new Bundle(1); 1859 extras.putInt(Intent.EXTRA_UID, res.uid); 1860 1861 // Determine the set of users who are adding this package for 1862 // the first time vs. those who are seeing an update. 1863 int[] firstUsers = EMPTY_INT_ARRAY; 1864 int[] updateUsers = EMPTY_INT_ARRAY; 1865 if (res.origUsers == null || res.origUsers.length == 0) { 1866 firstUsers = res.newUsers; 1867 } else { 1868 for (int newUser : res.newUsers) { 1869 boolean isNew = true; 1870 for (int origUser : res.origUsers) { 1871 if (origUser == newUser) { 1872 isNew = false; 1873 break; 1874 } 1875 } 1876 if (isNew) { 1877 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1878 } else { 1879 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1880 } 1881 } 1882 } 1883 1884 // Send installed broadcasts if the install/update is not ephemeral 1885 if (!isEphemeral(res.pkg)) { 1886 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1887 1888 // Send added for users that see the package for the first time 1889 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1890 extras, 0 /*flags*/, null /*targetPackage*/, 1891 null /*finishedReceiver*/, firstUsers); 1892 1893 // Send added for users that don't see the package for the first time 1894 if (update) { 1895 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1896 } 1897 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1898 extras, 0 /*flags*/, null /*targetPackage*/, 1899 null /*finishedReceiver*/, updateUsers); 1900 1901 // Send replaced for users that don't see the package for the first time 1902 if (update) { 1903 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1904 packageName, extras, 0 /*flags*/, 1905 null /*targetPackage*/, null /*finishedReceiver*/, 1906 updateUsers); 1907 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1908 null /*package*/, null /*extras*/, 0 /*flags*/, 1909 packageName /*targetPackage*/, 1910 null /*finishedReceiver*/, updateUsers); 1911 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1912 // First-install and we did a restore, so we're responsible for the 1913 // first-launch broadcast. 1914 if (DEBUG_BACKUP) { 1915 Slog.i(TAG, "Post-restore of " + packageName 1916 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1917 } 1918 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1919 } 1920 1921 // Send broadcast package appeared if forward locked/external for all users 1922 // treat asec-hosted packages like removable media on upgrade 1923 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1924 if (DEBUG_INSTALL) { 1925 Slog.i(TAG, "upgrading pkg " + res.pkg 1926 + " is ASEC-hosted -> AVAILABLE"); 1927 } 1928 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1929 ArrayList<String> pkgList = new ArrayList<>(1); 1930 pkgList.add(packageName); 1931 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1932 } 1933 } 1934 1935 // Work that needs to happen on first install within each user 1936 if (firstUsers != null && firstUsers.length > 0) { 1937 synchronized (mPackages) { 1938 for (int userId : firstUsers) { 1939 // If this app is a browser and it's newly-installed for some 1940 // users, clear any default-browser state in those users. The 1941 // app's nature doesn't depend on the user, so we can just check 1942 // its browser nature in any user and generalize. 1943 if (packageIsBrowser(packageName, userId)) { 1944 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1945 } 1946 1947 // We may also need to apply pending (restored) runtime 1948 // permission grants within these users. 1949 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1950 } 1951 } 1952 } 1953 1954 // Log current value of "unknown sources" setting 1955 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1956 getUnknownSourcesSettings()); 1957 1958 // Force a gc to clear up things 1959 Runtime.getRuntime().gc(); 1960 1961 // Remove the replaced package's older resources safely now 1962 // We delete after a gc for applications on sdcard. 1963 if (res.removedInfo != null && res.removedInfo.args != null) { 1964 synchronized (mInstallLock) { 1965 res.removedInfo.args.doPostDeleteLI(true); 1966 } 1967 } 1968 } 1969 1970 // If someone is watching installs - notify them 1971 if (installObserver != null) { 1972 try { 1973 Bundle extras = extrasForInstallResult(res); 1974 installObserver.onPackageInstalled(res.name, res.returnCode, 1975 res.returnMsg, extras); 1976 } catch (RemoteException e) { 1977 Slog.i(TAG, "Observer no longer exists."); 1978 } 1979 } 1980 } 1981 1982 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1983 PackageParser.Package pkg) { 1984 if (pkg.parentPackage == null) { 1985 return; 1986 } 1987 if (pkg.requestedPermissions == null) { 1988 return; 1989 } 1990 final PackageSetting disabledSysParentPs = mSettings 1991 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1992 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1993 || !disabledSysParentPs.isPrivileged() 1994 || (disabledSysParentPs.childPackageNames != null 1995 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1996 return; 1997 } 1998 final int[] allUserIds = sUserManager.getUserIds(); 1999 final int permCount = pkg.requestedPermissions.size(); 2000 for (int i = 0; i < permCount; i++) { 2001 String permission = pkg.requestedPermissions.get(i); 2002 BasePermission bp = mSettings.mPermissions.get(permission); 2003 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 2004 continue; 2005 } 2006 for (int userId : allUserIds) { 2007 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2008 permission, userId)) { 2009 grantRuntimePermission(pkg.packageName, permission, userId); 2010 } 2011 } 2012 } 2013 } 2014 2015 private StorageEventListener mStorageListener = new StorageEventListener() { 2016 @Override 2017 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2018 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2019 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2020 final String volumeUuid = vol.getFsUuid(); 2021 2022 // Clean up any users or apps that were removed or recreated 2023 // while this volume was missing 2024 reconcileUsers(volumeUuid); 2025 reconcileApps(volumeUuid); 2026 2027 // Clean up any install sessions that expired or were 2028 // cancelled while this volume was missing 2029 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2030 2031 loadPrivatePackages(vol); 2032 2033 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2034 unloadPrivatePackages(vol); 2035 } 2036 } 2037 2038 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2039 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2040 updateExternalMediaStatus(true, false); 2041 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2042 updateExternalMediaStatus(false, false); 2043 } 2044 } 2045 } 2046 2047 @Override 2048 public void onVolumeForgotten(String fsUuid) { 2049 if (TextUtils.isEmpty(fsUuid)) { 2050 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2051 return; 2052 } 2053 2054 // Remove any apps installed on the forgotten volume 2055 synchronized (mPackages) { 2056 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2057 for (PackageSetting ps : packages) { 2058 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2059 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2060 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2061 } 2062 2063 mSettings.onVolumeForgotten(fsUuid); 2064 mSettings.writeLPr(); 2065 } 2066 } 2067 }; 2068 2069 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2070 String[] grantedPermissions) { 2071 for (int userId : userIds) { 2072 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2073 } 2074 2075 // We could have touched GID membership, so flush out packages.list 2076 synchronized (mPackages) { 2077 mSettings.writePackageListLPr(); 2078 } 2079 } 2080 2081 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2082 String[] grantedPermissions) { 2083 SettingBase sb = (SettingBase) pkg.mExtras; 2084 if (sb == null) { 2085 return; 2086 } 2087 2088 PermissionsState permissionsState = sb.getPermissionsState(); 2089 2090 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2091 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2092 2093 for (String permission : pkg.requestedPermissions) { 2094 final BasePermission bp; 2095 synchronized (mPackages) { 2096 bp = mSettings.mPermissions.get(permission); 2097 } 2098 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2099 && (grantedPermissions == null 2100 || ArrayUtils.contains(grantedPermissions, permission))) { 2101 final int flags = permissionsState.getPermissionFlags(permission, userId); 2102 // Installer cannot change immutable permissions. 2103 if ((flags & immutableFlags) == 0) { 2104 grantRuntimePermission(pkg.packageName, permission, userId); 2105 } 2106 } 2107 } 2108 } 2109 2110 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2111 Bundle extras = null; 2112 switch (res.returnCode) { 2113 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2114 extras = new Bundle(); 2115 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2116 res.origPermission); 2117 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2118 res.origPackage); 2119 break; 2120 } 2121 case PackageManager.INSTALL_SUCCEEDED: { 2122 extras = new Bundle(); 2123 extras.putBoolean(Intent.EXTRA_REPLACING, 2124 res.removedInfo != null && res.removedInfo.removedPackage != null); 2125 break; 2126 } 2127 } 2128 return extras; 2129 } 2130 2131 void scheduleWriteSettingsLocked() { 2132 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2133 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2134 } 2135 } 2136 2137 void scheduleWritePackageListLocked(int userId) { 2138 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2139 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2140 msg.arg1 = userId; 2141 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2142 } 2143 } 2144 2145 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2146 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2147 scheduleWritePackageRestrictionsLocked(userId); 2148 } 2149 2150 void scheduleWritePackageRestrictionsLocked(int userId) { 2151 final int[] userIds = (userId == UserHandle.USER_ALL) 2152 ? sUserManager.getUserIds() : new int[]{userId}; 2153 for (int nextUserId : userIds) { 2154 if (!sUserManager.exists(nextUserId)) return; 2155 mDirtyUsers.add(nextUserId); 2156 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2157 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2158 } 2159 } 2160 } 2161 2162 public static PackageManagerService main(Context context, Installer installer, 2163 boolean factoryTest, boolean onlyCore) { 2164 // Self-check for initial settings. 2165 PackageManagerServiceCompilerMapping.checkProperties(); 2166 2167 PackageManagerService m = new PackageManagerService(context, installer, 2168 factoryTest, onlyCore); 2169 m.enableSystemUserPackages(); 2170 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2171 // disabled after already being started. 2172 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2173 UserHandle.USER_SYSTEM); 2174 ServiceManager.addService("package", m); 2175 return m; 2176 } 2177 2178 private void enableSystemUserPackages() { 2179 if (!UserManager.isSplitSystemUser()) { 2180 return; 2181 } 2182 // For system user, enable apps based on the following conditions: 2183 // - app is whitelisted or belong to one of these groups: 2184 // -- system app which has no launcher icons 2185 // -- system app which has INTERACT_ACROSS_USERS permission 2186 // -- system IME app 2187 // - app is not in the blacklist 2188 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2189 Set<String> enableApps = new ArraySet<>(); 2190 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2191 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2192 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2193 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2194 enableApps.addAll(wlApps); 2195 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2196 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2197 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2198 enableApps.removeAll(blApps); 2199 Log.i(TAG, "Applications installed for system user: " + enableApps); 2200 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2201 UserHandle.SYSTEM); 2202 final int allAppsSize = allAps.size(); 2203 synchronized (mPackages) { 2204 for (int i = 0; i < allAppsSize; i++) { 2205 String pName = allAps.get(i); 2206 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2207 // Should not happen, but we shouldn't be failing if it does 2208 if (pkgSetting == null) { 2209 continue; 2210 } 2211 boolean install = enableApps.contains(pName); 2212 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2213 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2214 + " for system user"); 2215 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2216 } 2217 } 2218 } 2219 } 2220 2221 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2222 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2223 Context.DISPLAY_SERVICE); 2224 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2225 } 2226 2227 /** 2228 * Requests that files preopted on a secondary system partition be copied to the data partition 2229 * if possible. Note that the actual copying of the files is accomplished by init for security 2230 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2231 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2232 */ 2233 private static void requestCopyPreoptedFiles() { 2234 final int WAIT_TIME_MS = 100; 2235 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2236 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2237 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2238 // We will wait for up to 100 seconds. 2239 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2240 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2241 try { 2242 Thread.sleep(WAIT_TIME_MS); 2243 } catch (InterruptedException e) { 2244 // Do nothing 2245 } 2246 if (SystemClock.uptimeMillis() > timeEnd) { 2247 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2248 Slog.wtf(TAG, "cppreopt did not finish!"); 2249 break; 2250 } 2251 } 2252 } 2253 } 2254 2255 public PackageManagerService(Context context, Installer installer, 2256 boolean factoryTest, boolean onlyCore) { 2257 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2258 SystemClock.uptimeMillis()); 2259 2260 if (mSdkVersion <= 0) { 2261 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2262 } 2263 2264 mContext = context; 2265 mFactoryTest = factoryTest; 2266 mOnlyCore = onlyCore; 2267 mMetrics = new DisplayMetrics(); 2268 mSettings = new Settings(mPackages); 2269 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2270 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2271 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2272 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2273 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2274 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2275 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2276 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2277 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2278 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2279 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2280 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2281 2282 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2283 if (separateProcesses != null && separateProcesses.length() > 0) { 2284 if ("*".equals(separateProcesses)) { 2285 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2286 mSeparateProcesses = null; 2287 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2288 } else { 2289 mDefParseFlags = 0; 2290 mSeparateProcesses = separateProcesses.split(","); 2291 Slog.w(TAG, "Running with debug.separate_processes: " 2292 + separateProcesses); 2293 } 2294 } else { 2295 mDefParseFlags = 0; 2296 mSeparateProcesses = null; 2297 } 2298 2299 mInstaller = installer; 2300 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2301 "*dexopt*"); 2302 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2303 2304 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2305 FgThread.get().getLooper()); 2306 2307 getDefaultDisplayMetrics(context, mMetrics); 2308 2309 SystemConfig systemConfig = SystemConfig.getInstance(); 2310 mGlobalGids = systemConfig.getGlobalGids(); 2311 mSystemPermissions = systemConfig.getSystemPermissions(); 2312 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2313 2314 mProtectedPackages = new ProtectedPackages(mContext); 2315 2316 synchronized (mInstallLock) { 2317 // writer 2318 synchronized (mPackages) { 2319 mHandlerThread = new ServiceThread(TAG, 2320 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2321 mHandlerThread.start(); 2322 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2323 mProcessLoggingHandler = new ProcessLoggingHandler(); 2324 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2325 2326 File dataDir = Environment.getDataDirectory(); 2327 mAppInstallDir = new File(dataDir, "app"); 2328 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2329 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2330 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2331 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2332 2333 sUserManager = new UserManagerService(context, this, mPackages); 2334 2335 // Propagate permission configuration in to package manager. 2336 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2337 = systemConfig.getPermissions(); 2338 for (int i=0; i<permConfig.size(); i++) { 2339 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2340 BasePermission bp = mSettings.mPermissions.get(perm.name); 2341 if (bp == null) { 2342 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2343 mSettings.mPermissions.put(perm.name, bp); 2344 } 2345 if (perm.gids != null) { 2346 bp.setGids(perm.gids, perm.perUser); 2347 } 2348 } 2349 2350 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2351 for (int i=0; i<libConfig.size(); i++) { 2352 mSharedLibraries.put(libConfig.keyAt(i), 2353 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2354 } 2355 2356 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2357 2358 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2359 2360 if (mFirstBoot) { 2361 requestCopyPreoptedFiles(); 2362 } 2363 2364 String customResolverActivity = Resources.getSystem().getString( 2365 R.string.config_customResolverActivity); 2366 if (TextUtils.isEmpty(customResolverActivity)) { 2367 customResolverActivity = null; 2368 } else { 2369 mCustomResolverComponentName = ComponentName.unflattenFromString( 2370 customResolverActivity); 2371 } 2372 2373 long startTime = SystemClock.uptimeMillis(); 2374 2375 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2376 startTime); 2377 2378 // Set flag to monitor and not change apk file paths when 2379 // scanning install directories. 2380 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2381 2382 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2383 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2384 2385 if (bootClassPath == null) { 2386 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2387 } 2388 2389 if (systemServerClassPath == null) { 2390 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2391 } 2392 2393 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2394 final String[] dexCodeInstructionSets = 2395 getDexCodeInstructionSets( 2396 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2397 2398 /** 2399 * Ensure all external libraries have had dexopt run on them. 2400 */ 2401 if (mSharedLibraries.size() > 0) { 2402 // NOTE: For now, we're compiling these system "shared libraries" 2403 // (and framework jars) into all available architectures. It's possible 2404 // to compile them only when we come across an app that uses them (there's 2405 // already logic for that in scanPackageLI) but that adds some complexity. 2406 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2407 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2408 final String lib = libEntry.path; 2409 if (lib == null) { 2410 continue; 2411 } 2412 2413 try { 2414 // Shared libraries do not have profiles so we perform a full 2415 // AOT compilation (if needed). 2416 int dexoptNeeded = DexFile.getDexOptNeeded( 2417 lib, dexCodeInstructionSet, 2418 getCompilerFilterForReason(REASON_SHARED_APK), 2419 false /* newProfile */); 2420 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2421 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2422 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2423 getCompilerFilterForReason(REASON_SHARED_APK), 2424 StorageManager.UUID_PRIVATE_INTERNAL, 2425 SKIP_SHARED_LIBRARY_CHECK); 2426 } 2427 } catch (FileNotFoundException e) { 2428 Slog.w(TAG, "Library not found: " + lib); 2429 } catch (IOException | InstallerException e) { 2430 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2431 + e.getMessage()); 2432 } 2433 } 2434 } 2435 } 2436 2437 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2438 2439 final VersionInfo ver = mSettings.getInternalVersion(); 2440 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2441 2442 // when upgrading from pre-M, promote system app permissions from install to runtime 2443 mPromoteSystemApps = 2444 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2445 2446 // When upgrading from pre-N, we need to handle package extraction like first boot, 2447 // as there is no profiling data available. 2448 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2449 2450 // save off the names of pre-existing system packages prior to scanning; we don't 2451 // want to automatically grant runtime permissions for new system apps 2452 if (mPromoteSystemApps) { 2453 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2454 while (pkgSettingIter.hasNext()) { 2455 PackageSetting ps = pkgSettingIter.next(); 2456 if (isSystemApp(ps)) { 2457 mExistingSystemPackages.add(ps.name); 2458 } 2459 } 2460 } 2461 2462 // Collect vendor overlay packages. 2463 // (Do this before scanning any apps.) 2464 // For security and version matching reason, only consider 2465 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2466 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2467 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2468 | PackageParser.PARSE_IS_SYSTEM 2469 | PackageParser.PARSE_IS_SYSTEM_DIR 2470 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2471 2472 // Find base frameworks (resource packages without code). 2473 scanDirTracedLI(frameworkDir, mDefParseFlags 2474 | PackageParser.PARSE_IS_SYSTEM 2475 | PackageParser.PARSE_IS_SYSTEM_DIR 2476 | PackageParser.PARSE_IS_PRIVILEGED, 2477 scanFlags | SCAN_NO_DEX, 0); 2478 2479 // Collected privileged system packages. 2480 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2481 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2482 | PackageParser.PARSE_IS_SYSTEM 2483 | PackageParser.PARSE_IS_SYSTEM_DIR 2484 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2485 2486 // Collect ordinary system packages. 2487 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2488 scanDirTracedLI(systemAppDir, mDefParseFlags 2489 | PackageParser.PARSE_IS_SYSTEM 2490 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2491 2492 // Collect all vendor packages. 2493 File vendorAppDir = new File("/vendor/app"); 2494 try { 2495 vendorAppDir = vendorAppDir.getCanonicalFile(); 2496 } catch (IOException e) { 2497 // failed to look up canonical path, continue with original one 2498 } 2499 scanDirTracedLI(vendorAppDir, mDefParseFlags 2500 | PackageParser.PARSE_IS_SYSTEM 2501 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2502 2503 // Collect all OEM packages. 2504 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2505 scanDirTracedLI(oemAppDir, mDefParseFlags 2506 | PackageParser.PARSE_IS_SYSTEM 2507 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2508 2509 // Prune any system packages that no longer exist. 2510 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2511 if (!mOnlyCore) { 2512 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2513 while (psit.hasNext()) { 2514 PackageSetting ps = psit.next(); 2515 2516 /* 2517 * If this is not a system app, it can't be a 2518 * disable system app. 2519 */ 2520 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2521 continue; 2522 } 2523 2524 /* 2525 * If the package is scanned, it's not erased. 2526 */ 2527 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2528 if (scannedPkg != null) { 2529 /* 2530 * If the system app is both scanned and in the 2531 * disabled packages list, then it must have been 2532 * added via OTA. Remove it from the currently 2533 * scanned package so the previously user-installed 2534 * application can be scanned. 2535 */ 2536 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2537 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2538 + ps.name + "; removing system app. Last known codePath=" 2539 + ps.codePathString + ", installStatus=" + ps.installStatus 2540 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2541 + scannedPkg.mVersionCode); 2542 removePackageLI(scannedPkg, true); 2543 mExpectingBetter.put(ps.name, ps.codePath); 2544 } 2545 2546 continue; 2547 } 2548 2549 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2550 psit.remove(); 2551 logCriticalInfo(Log.WARN, "System package " + ps.name 2552 + " no longer exists; it's data will be wiped"); 2553 // Actual deletion of code and data will be handled by later 2554 // reconciliation step 2555 } else { 2556 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2557 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2558 possiblyDeletedUpdatedSystemApps.add(ps.name); 2559 } 2560 } 2561 } 2562 } 2563 2564 //look for any incomplete package installations 2565 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2566 for (int i = 0; i < deletePkgsList.size(); i++) { 2567 // Actual deletion of code and data will be handled by later 2568 // reconciliation step 2569 final String packageName = deletePkgsList.get(i).name; 2570 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2571 synchronized (mPackages) { 2572 mSettings.removePackageLPw(packageName); 2573 } 2574 } 2575 2576 //delete tmp files 2577 deleteTempPackageFiles(); 2578 2579 // Remove any shared userIDs that have no associated packages 2580 mSettings.pruneSharedUsersLPw(); 2581 2582 if (!mOnlyCore) { 2583 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2584 SystemClock.uptimeMillis()); 2585 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2586 2587 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2588 | PackageParser.PARSE_FORWARD_LOCK, 2589 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2590 2591 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2592 | PackageParser.PARSE_IS_EPHEMERAL, 2593 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2594 2595 /** 2596 * Remove disable package settings for any updated system 2597 * apps that were removed via an OTA. If they're not a 2598 * previously-updated app, remove them completely. 2599 * Otherwise, just revoke their system-level permissions. 2600 */ 2601 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2602 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2603 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2604 2605 String msg; 2606 if (deletedPkg == null) { 2607 msg = "Updated system package " + deletedAppName 2608 + " no longer exists; it's data will be wiped"; 2609 // Actual deletion of code and data will be handled by later 2610 // reconciliation step 2611 } else { 2612 msg = "Updated system app + " + deletedAppName 2613 + " no longer present; removing system privileges for " 2614 + deletedAppName; 2615 2616 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2617 2618 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2619 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2620 } 2621 logCriticalInfo(Log.WARN, msg); 2622 } 2623 2624 /** 2625 * Make sure all system apps that we expected to appear on 2626 * the userdata partition actually showed up. If they never 2627 * appeared, crawl back and revive the system version. 2628 */ 2629 for (int i = 0; i < mExpectingBetter.size(); i++) { 2630 final String packageName = mExpectingBetter.keyAt(i); 2631 if (!mPackages.containsKey(packageName)) { 2632 final File scanFile = mExpectingBetter.valueAt(i); 2633 2634 logCriticalInfo(Log.WARN, "Expected better " + packageName 2635 + " but never showed up; reverting to system"); 2636 2637 int reparseFlags = mDefParseFlags; 2638 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2639 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2640 | PackageParser.PARSE_IS_SYSTEM_DIR 2641 | PackageParser.PARSE_IS_PRIVILEGED; 2642 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2643 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2644 | PackageParser.PARSE_IS_SYSTEM_DIR; 2645 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2646 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2647 | PackageParser.PARSE_IS_SYSTEM_DIR; 2648 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2649 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2650 | PackageParser.PARSE_IS_SYSTEM_DIR; 2651 } else { 2652 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2653 continue; 2654 } 2655 2656 mSettings.enableSystemPackageLPw(packageName); 2657 2658 try { 2659 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2660 } catch (PackageManagerException e) { 2661 Slog.e(TAG, "Failed to parse original system package: " 2662 + e.getMessage()); 2663 } 2664 } 2665 } 2666 } 2667 mExpectingBetter.clear(); 2668 2669 // Resolve protected action filters. Only the setup wizard is allowed to 2670 // have a high priority filter for these actions. 2671 mSetupWizardPackage = getSetupWizardPackageName(); 2672 if (mProtectedFilters.size() > 0) { 2673 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2674 Slog.i(TAG, "No setup wizard;" 2675 + " All protected intents capped to priority 0"); 2676 } 2677 for (ActivityIntentInfo filter : mProtectedFilters) { 2678 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2679 if (DEBUG_FILTERS) { 2680 Slog.i(TAG, "Found setup wizard;" 2681 + " allow priority " + filter.getPriority() + ";" 2682 + " package: " + filter.activity.info.packageName 2683 + " activity: " + filter.activity.className 2684 + " priority: " + filter.getPriority()); 2685 } 2686 // skip setup wizard; allow it to keep the high priority filter 2687 continue; 2688 } 2689 Slog.w(TAG, "Protected action; cap priority to 0;" 2690 + " package: " + filter.activity.info.packageName 2691 + " activity: " + filter.activity.className 2692 + " origPrio: " + filter.getPriority()); 2693 filter.setPriority(0); 2694 } 2695 } 2696 mDeferProtectedFilters = false; 2697 mProtectedFilters.clear(); 2698 2699 // Now that we know all of the shared libraries, update all clients to have 2700 // the correct library paths. 2701 updateAllSharedLibrariesLPw(); 2702 2703 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2704 // NOTE: We ignore potential failures here during a system scan (like 2705 // the rest of the commands above) because there's precious little we 2706 // can do about it. A settings error is reported, though. 2707 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2708 false /* boot complete */); 2709 } 2710 2711 // Now that we know all the packages we are keeping, 2712 // read and update their last usage times. 2713 mPackageUsage.readLP(); 2714 2715 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2716 SystemClock.uptimeMillis()); 2717 Slog.i(TAG, "Time to scan packages: " 2718 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2719 + " seconds"); 2720 2721 // If the platform SDK has changed since the last time we booted, 2722 // we need to re-grant app permission to catch any new ones that 2723 // appear. This is really a hack, and means that apps can in some 2724 // cases get permissions that the user didn't initially explicitly 2725 // allow... it would be nice to have some better way to handle 2726 // this situation. 2727 int updateFlags = UPDATE_PERMISSIONS_ALL; 2728 if (ver.sdkVersion != mSdkVersion) { 2729 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2730 + mSdkVersion + "; regranting permissions for internal storage"); 2731 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2732 } 2733 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2734 ver.sdkVersion = mSdkVersion; 2735 2736 // If this is the first boot or an update from pre-M, and it is a normal 2737 // boot, then we need to initialize the default preferred apps across 2738 // all defined users. 2739 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2740 for (UserInfo user : sUserManager.getUsers(true)) { 2741 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2742 applyFactoryDefaultBrowserLPw(user.id); 2743 primeDomainVerificationsLPw(user.id); 2744 } 2745 } 2746 2747 // Prepare storage for system user really early during boot, 2748 // since core system apps like SettingsProvider and SystemUI 2749 // can't wait for user to start 2750 final int storageFlags; 2751 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2752 storageFlags = StorageManager.FLAG_STORAGE_DE; 2753 } else { 2754 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2755 } 2756 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2757 storageFlags); 2758 2759 // If this is first boot after an OTA, and a normal boot, then 2760 // we need to clear code cache directories. 2761 // Note that we do *not* clear the application profiles. These remain valid 2762 // across OTAs and are used to drive profile verification (post OTA) and 2763 // profile compilation (without waiting to collect a fresh set of profiles). 2764 if (mIsUpgrade && !onlyCore) { 2765 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2766 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2767 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2768 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2769 // No apps are running this early, so no need to freeze 2770 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2771 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2772 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2773 } 2774 } 2775 ver.fingerprint = Build.FINGERPRINT; 2776 } 2777 2778 checkDefaultBrowser(); 2779 2780 // clear only after permissions and other defaults have been updated 2781 mExistingSystemPackages.clear(); 2782 mPromoteSystemApps = false; 2783 2784 // All the changes are done during package scanning. 2785 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2786 2787 // can downgrade to reader 2788 mSettings.writeLPr(); 2789 2790 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2791 // early on (before the package manager declares itself as early) because other 2792 // components in the system server might ask for package contexts for these apps. 2793 // 2794 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2795 // (i.e, that the data partition is unavailable). 2796 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2797 long start = System.nanoTime(); 2798 List<PackageParser.Package> coreApps = new ArrayList<>(); 2799 for (PackageParser.Package pkg : mPackages.values()) { 2800 if (pkg.coreApp) { 2801 coreApps.add(pkg); 2802 } 2803 } 2804 2805 int[] stats = performDexOptUpgrade(coreApps, false, 2806 getCompilerFilterForReason(REASON_CORE_APP)); 2807 2808 final int elapsedTimeSeconds = 2809 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2810 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2811 2812 if (DEBUG_DEXOPT) { 2813 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2814 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2815 } 2816 2817 2818 // TODO: Should we log these stats to tron too ? 2819 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2820 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2821 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2822 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2823 } 2824 2825 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2826 SystemClock.uptimeMillis()); 2827 2828 if (!mOnlyCore) { 2829 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2830 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2831 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2832 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2833 mIntentFilterVerifierComponent); 2834 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2835 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2836 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2837 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2838 } else { 2839 mRequiredVerifierPackage = null; 2840 mRequiredInstallerPackage = null; 2841 mIntentFilterVerifierComponent = null; 2842 mIntentFilterVerifier = null; 2843 mServicesSystemSharedLibraryPackageName = null; 2844 mSharedSystemSharedLibraryPackageName = null; 2845 } 2846 2847 mInstallerService = new PackageInstallerService(context, this); 2848 2849 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2850 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2851 // both the installer and resolver must be present to enable ephemeral 2852 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2853 if (DEBUG_EPHEMERAL) { 2854 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2855 + " installer:" + ephemeralInstallerComponent); 2856 } 2857 mEphemeralResolverComponent = ephemeralResolverComponent; 2858 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2859 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2860 mEphemeralResolverConnection = 2861 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2862 } else { 2863 if (DEBUG_EPHEMERAL) { 2864 final String missingComponent = 2865 (ephemeralResolverComponent == null) 2866 ? (ephemeralInstallerComponent == null) 2867 ? "resolver and installer" 2868 : "resolver" 2869 : "installer"; 2870 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2871 } 2872 mEphemeralResolverComponent = null; 2873 mEphemeralInstallerComponent = null; 2874 mEphemeralResolverConnection = null; 2875 } 2876 2877 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2878 } // synchronized (mPackages) 2879 } // synchronized (mInstallLock) 2880 2881 // Now after opening every single application zip, make sure they 2882 // are all flushed. Not really needed, but keeps things nice and 2883 // tidy. 2884 Runtime.getRuntime().gc(); 2885 2886 // The initial scanning above does many calls into installd while 2887 // holding the mPackages lock, but we're mostly interested in yelling 2888 // once we have a booted system. 2889 mInstaller.setWarnIfHeld(mPackages); 2890 2891 // Expose private service for system components to use. 2892 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2893 } 2894 2895 @Override 2896 public boolean isFirstBoot() { 2897 return mFirstBoot; 2898 } 2899 2900 @Override 2901 public boolean isOnlyCoreApps() { 2902 return mOnlyCore; 2903 } 2904 2905 @Override 2906 public boolean isUpgrade() { 2907 return mIsUpgrade; 2908 } 2909 2910 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2911 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2912 2913 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2914 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2915 UserHandle.USER_SYSTEM); 2916 if (matches.size() == 1) { 2917 return matches.get(0).getComponentInfo().packageName; 2918 } else { 2919 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2920 return null; 2921 } 2922 } 2923 2924 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2925 synchronized (mPackages) { 2926 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2927 if (libraryEntry == null) { 2928 throw new IllegalStateException("Missing required shared library:" + libraryName); 2929 } 2930 return libraryEntry.apk; 2931 } 2932 } 2933 2934 private @NonNull String getRequiredInstallerLPr() { 2935 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2936 intent.addCategory(Intent.CATEGORY_DEFAULT); 2937 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2938 2939 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2940 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2941 UserHandle.USER_SYSTEM); 2942 if (matches.size() == 1) { 2943 ResolveInfo resolveInfo = matches.get(0); 2944 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2945 throw new RuntimeException("The installer must be a privileged app"); 2946 } 2947 return matches.get(0).getComponentInfo().packageName; 2948 } else { 2949 throw new RuntimeException("There must be exactly one installer; found " + matches); 2950 } 2951 } 2952 2953 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2954 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2955 2956 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2957 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2958 UserHandle.USER_SYSTEM); 2959 ResolveInfo best = null; 2960 final int N = matches.size(); 2961 for (int i = 0; i < N; i++) { 2962 final ResolveInfo cur = matches.get(i); 2963 final String packageName = cur.getComponentInfo().packageName; 2964 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2965 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2966 continue; 2967 } 2968 2969 if (best == null || cur.priority > best.priority) { 2970 best = cur; 2971 } 2972 } 2973 2974 if (best != null) { 2975 return best.getComponentInfo().getComponentName(); 2976 } else { 2977 throw new RuntimeException("There must be at least one intent filter verifier"); 2978 } 2979 } 2980 2981 private @Nullable ComponentName getEphemeralResolverLPr() { 2982 final String[] packageArray = 2983 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2984 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2985 if (DEBUG_EPHEMERAL) { 2986 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2987 } 2988 return null; 2989 } 2990 2991 final int resolveFlags = 2992 MATCH_DIRECT_BOOT_AWARE 2993 | MATCH_DIRECT_BOOT_UNAWARE 2994 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2995 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2996 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2997 resolveFlags, UserHandle.USER_SYSTEM); 2998 2999 final int N = resolvers.size(); 3000 if (N == 0) { 3001 if (DEBUG_EPHEMERAL) { 3002 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3003 } 3004 return null; 3005 } 3006 3007 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3008 for (int i = 0; i < N; i++) { 3009 final ResolveInfo info = resolvers.get(i); 3010 3011 if (info.serviceInfo == null) { 3012 continue; 3013 } 3014 3015 final String packageName = info.serviceInfo.packageName; 3016 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3017 if (DEBUG_EPHEMERAL) { 3018 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3019 + " pkg: " + packageName + ", info:" + info); 3020 } 3021 continue; 3022 } 3023 3024 if (DEBUG_EPHEMERAL) { 3025 Slog.v(TAG, "Ephemeral resolver found;" 3026 + " pkg: " + packageName + ", info:" + info); 3027 } 3028 return new ComponentName(packageName, info.serviceInfo.name); 3029 } 3030 if (DEBUG_EPHEMERAL) { 3031 Slog.v(TAG, "Ephemeral resolver NOT found"); 3032 } 3033 return null; 3034 } 3035 3036 private @Nullable ComponentName getEphemeralInstallerLPr() { 3037 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3038 intent.addCategory(Intent.CATEGORY_DEFAULT); 3039 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3040 3041 final int resolveFlags = 3042 MATCH_DIRECT_BOOT_AWARE 3043 | MATCH_DIRECT_BOOT_UNAWARE 3044 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3045 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3046 resolveFlags, UserHandle.USER_SYSTEM); 3047 if (matches.size() == 0) { 3048 return null; 3049 } else if (matches.size() == 1) { 3050 return matches.get(0).getComponentInfo().getComponentName(); 3051 } else { 3052 throw new RuntimeException( 3053 "There must be at most one ephemeral installer; found " + matches); 3054 } 3055 } 3056 3057 private void primeDomainVerificationsLPw(int userId) { 3058 if (DEBUG_DOMAIN_VERIFICATION) { 3059 Slog.d(TAG, "Priming domain verifications in user " + userId); 3060 } 3061 3062 SystemConfig systemConfig = SystemConfig.getInstance(); 3063 ArraySet<String> packages = systemConfig.getLinkedApps(); 3064 ArraySet<String> domains = new ArraySet<String>(); 3065 3066 for (String packageName : packages) { 3067 PackageParser.Package pkg = mPackages.get(packageName); 3068 if (pkg != null) { 3069 if (!pkg.isSystemApp()) { 3070 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3071 continue; 3072 } 3073 3074 domains.clear(); 3075 for (PackageParser.Activity a : pkg.activities) { 3076 for (ActivityIntentInfo filter : a.intents) { 3077 if (hasValidDomains(filter)) { 3078 domains.addAll(filter.getHostsList()); 3079 } 3080 } 3081 } 3082 3083 if (domains.size() > 0) { 3084 if (DEBUG_DOMAIN_VERIFICATION) { 3085 Slog.v(TAG, " + " + packageName); 3086 } 3087 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3088 // state w.r.t. the formal app-linkage "no verification attempted" state; 3089 // and then 'always' in the per-user state actually used for intent resolution. 3090 final IntentFilterVerificationInfo ivi; 3091 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3092 new ArrayList<String>(domains)); 3093 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3094 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3095 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3096 } else { 3097 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3098 + "' does not handle web links"); 3099 } 3100 } else { 3101 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3102 } 3103 } 3104 3105 scheduleWritePackageRestrictionsLocked(userId); 3106 scheduleWriteSettingsLocked(); 3107 } 3108 3109 private void applyFactoryDefaultBrowserLPw(int userId) { 3110 // The default browser app's package name is stored in a string resource, 3111 // with a product-specific overlay used for vendor customization. 3112 String browserPkg = mContext.getResources().getString( 3113 com.android.internal.R.string.default_browser); 3114 if (!TextUtils.isEmpty(browserPkg)) { 3115 // non-empty string => required to be a known package 3116 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3117 if (ps == null) { 3118 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3119 browserPkg = null; 3120 } else { 3121 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3122 } 3123 } 3124 3125 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3126 // default. If there's more than one, just leave everything alone. 3127 if (browserPkg == null) { 3128 calculateDefaultBrowserLPw(userId); 3129 } 3130 } 3131 3132 private void calculateDefaultBrowserLPw(int userId) { 3133 List<String> allBrowsers = resolveAllBrowserApps(userId); 3134 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3135 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3136 } 3137 3138 private List<String> resolveAllBrowserApps(int userId) { 3139 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3140 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3141 PackageManager.MATCH_ALL, userId); 3142 3143 final int count = list.size(); 3144 List<String> result = new ArrayList<String>(count); 3145 for (int i=0; i<count; i++) { 3146 ResolveInfo info = list.get(i); 3147 if (info.activityInfo == null 3148 || !info.handleAllWebDataURI 3149 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3150 || result.contains(info.activityInfo.packageName)) { 3151 continue; 3152 } 3153 result.add(info.activityInfo.packageName); 3154 } 3155 3156 return result; 3157 } 3158 3159 private boolean packageIsBrowser(String packageName, int userId) { 3160 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3161 PackageManager.MATCH_ALL, userId); 3162 final int N = list.size(); 3163 for (int i = 0; i < N; i++) { 3164 ResolveInfo info = list.get(i); 3165 if (packageName.equals(info.activityInfo.packageName)) { 3166 return true; 3167 } 3168 } 3169 return false; 3170 } 3171 3172 private void checkDefaultBrowser() { 3173 final int myUserId = UserHandle.myUserId(); 3174 final String packageName = getDefaultBrowserPackageName(myUserId); 3175 if (packageName != null) { 3176 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3177 if (info == null) { 3178 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3179 synchronized (mPackages) { 3180 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3181 } 3182 } 3183 } 3184 } 3185 3186 @Override 3187 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3188 throws RemoteException { 3189 try { 3190 return super.onTransact(code, data, reply, flags); 3191 } catch (RuntimeException e) { 3192 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3193 Slog.wtf(TAG, "Package Manager Crash", e); 3194 } 3195 throw e; 3196 } 3197 } 3198 3199 static int[] appendInts(int[] cur, int[] add) { 3200 if (add == null) return cur; 3201 if (cur == null) return add; 3202 final int N = add.length; 3203 for (int i=0; i<N; i++) { 3204 cur = appendInt(cur, add[i]); 3205 } 3206 return cur; 3207 } 3208 3209 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3210 if (!sUserManager.exists(userId)) return null; 3211 if (ps == null) { 3212 return null; 3213 } 3214 final PackageParser.Package p = ps.pkg; 3215 if (p == null) { 3216 return null; 3217 } 3218 3219 final PermissionsState permissionsState = ps.getPermissionsState(); 3220 3221 // Compute GIDs only if requested 3222 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3223 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3224 // Compute granted permissions only if package has requested permissions 3225 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3226 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3227 final PackageUserState state = ps.readUserState(userId); 3228 3229 return PackageParser.generatePackageInfo(p, gids, flags, 3230 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3231 } 3232 3233 @Override 3234 public void checkPackageStartable(String packageName, int userId) { 3235 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3236 3237 synchronized (mPackages) { 3238 final PackageSetting ps = mSettings.mPackages.get(packageName); 3239 if (ps == null) { 3240 throw new SecurityException("Package " + packageName + " was not found!"); 3241 } 3242 3243 if (!ps.getInstalled(userId)) { 3244 throw new SecurityException( 3245 "Package " + packageName + " was not installed for user " + userId + "!"); 3246 } 3247 3248 if (mSafeMode && !ps.isSystem()) { 3249 throw new SecurityException("Package " + packageName + " not a system app!"); 3250 } 3251 3252 if (mFrozenPackages.contains(packageName)) { 3253 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3254 } 3255 3256 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3257 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3258 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3259 } 3260 } 3261 } 3262 3263 @Override 3264 public boolean isPackageAvailable(String packageName, int userId) { 3265 if (!sUserManager.exists(userId)) return false; 3266 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3267 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3268 synchronized (mPackages) { 3269 PackageParser.Package p = mPackages.get(packageName); 3270 if (p != null) { 3271 final PackageSetting ps = (PackageSetting) p.mExtras; 3272 if (ps != null) { 3273 final PackageUserState state = ps.readUserState(userId); 3274 if (state != null) { 3275 return PackageParser.isAvailable(state); 3276 } 3277 } 3278 } 3279 } 3280 return false; 3281 } 3282 3283 @Override 3284 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3285 if (!sUserManager.exists(userId)) return null; 3286 flags = updateFlagsForPackage(flags, userId, packageName); 3287 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3288 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3289 // reader 3290 synchronized (mPackages) { 3291 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3292 PackageParser.Package p = null; 3293 if (matchFactoryOnly) { 3294 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3295 if (ps != null) { 3296 return generatePackageInfo(ps, flags, userId); 3297 } 3298 } 3299 if (p == null) { 3300 p = mPackages.get(packageName); 3301 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3302 return null; 3303 } 3304 } 3305 if (DEBUG_PACKAGE_INFO) 3306 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3307 if (p != null) { 3308 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3309 } 3310 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3311 final PackageSetting ps = mSettings.mPackages.get(packageName); 3312 return generatePackageInfo(ps, flags, userId); 3313 } 3314 } 3315 return null; 3316 } 3317 3318 @Override 3319 public String[] currentToCanonicalPackageNames(String[] names) { 3320 String[] out = new String[names.length]; 3321 // reader 3322 synchronized (mPackages) { 3323 for (int i=names.length-1; i>=0; i--) { 3324 PackageSetting ps = mSettings.mPackages.get(names[i]); 3325 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3326 } 3327 } 3328 return out; 3329 } 3330 3331 @Override 3332 public String[] canonicalToCurrentPackageNames(String[] names) { 3333 String[] out = new String[names.length]; 3334 // reader 3335 synchronized (mPackages) { 3336 for (int i=names.length-1; i>=0; i--) { 3337 String cur = mSettings.mRenamedPackages.get(names[i]); 3338 out[i] = cur != null ? cur : names[i]; 3339 } 3340 } 3341 return out; 3342 } 3343 3344 @Override 3345 public int getPackageUid(String packageName, int flags, int userId) { 3346 if (!sUserManager.exists(userId)) return -1; 3347 flags = updateFlagsForPackage(flags, userId, packageName); 3348 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3349 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3350 3351 // reader 3352 synchronized (mPackages) { 3353 final PackageParser.Package p = mPackages.get(packageName); 3354 if (p != null && p.isMatch(flags)) { 3355 return UserHandle.getUid(userId, p.applicationInfo.uid); 3356 } 3357 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3358 final PackageSetting ps = mSettings.mPackages.get(packageName); 3359 if (ps != null && ps.isMatch(flags)) { 3360 return UserHandle.getUid(userId, ps.appId); 3361 } 3362 } 3363 } 3364 3365 return -1; 3366 } 3367 3368 @Override 3369 public int[] getPackageGids(String packageName, int flags, int userId) { 3370 if (!sUserManager.exists(userId)) return null; 3371 flags = updateFlagsForPackage(flags, userId, packageName); 3372 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3373 false /* requireFullPermission */, false /* checkShell */, 3374 "getPackageGids"); 3375 3376 // reader 3377 synchronized (mPackages) { 3378 final PackageParser.Package p = mPackages.get(packageName); 3379 if (p != null && p.isMatch(flags)) { 3380 PackageSetting ps = (PackageSetting) p.mExtras; 3381 return ps.getPermissionsState().computeGids(userId); 3382 } 3383 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3384 final PackageSetting ps = mSettings.mPackages.get(packageName); 3385 if (ps != null && ps.isMatch(flags)) { 3386 return ps.getPermissionsState().computeGids(userId); 3387 } 3388 } 3389 } 3390 3391 return null; 3392 } 3393 3394 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3395 if (bp.perm != null) { 3396 return PackageParser.generatePermissionInfo(bp.perm, flags); 3397 } 3398 PermissionInfo pi = new PermissionInfo(); 3399 pi.name = bp.name; 3400 pi.packageName = bp.sourcePackage; 3401 pi.nonLocalizedLabel = bp.name; 3402 pi.protectionLevel = bp.protectionLevel; 3403 return pi; 3404 } 3405 3406 @Override 3407 public PermissionInfo getPermissionInfo(String name, int flags) { 3408 // reader 3409 synchronized (mPackages) { 3410 final BasePermission p = mSettings.mPermissions.get(name); 3411 if (p != null) { 3412 return generatePermissionInfo(p, flags); 3413 } 3414 return null; 3415 } 3416 } 3417 3418 @Override 3419 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3420 int flags) { 3421 // reader 3422 synchronized (mPackages) { 3423 if (group != null && !mPermissionGroups.containsKey(group)) { 3424 // This is thrown as NameNotFoundException 3425 return null; 3426 } 3427 3428 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3429 for (BasePermission p : mSettings.mPermissions.values()) { 3430 if (group == null) { 3431 if (p.perm == null || p.perm.info.group == null) { 3432 out.add(generatePermissionInfo(p, flags)); 3433 } 3434 } else { 3435 if (p.perm != null && group.equals(p.perm.info.group)) { 3436 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3437 } 3438 } 3439 } 3440 return new ParceledListSlice<>(out); 3441 } 3442 } 3443 3444 @Override 3445 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3446 // reader 3447 synchronized (mPackages) { 3448 return PackageParser.generatePermissionGroupInfo( 3449 mPermissionGroups.get(name), flags); 3450 } 3451 } 3452 3453 @Override 3454 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3455 // reader 3456 synchronized (mPackages) { 3457 final int N = mPermissionGroups.size(); 3458 ArrayList<PermissionGroupInfo> out 3459 = new ArrayList<PermissionGroupInfo>(N); 3460 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3461 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3462 } 3463 return new ParceledListSlice<>(out); 3464 } 3465 } 3466 3467 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3468 int userId) { 3469 if (!sUserManager.exists(userId)) return null; 3470 PackageSetting ps = mSettings.mPackages.get(packageName); 3471 if (ps != null) { 3472 if (ps.pkg == null) { 3473 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3474 if (pInfo != null) { 3475 return pInfo.applicationInfo; 3476 } 3477 return null; 3478 } 3479 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3480 ps.readUserState(userId), userId); 3481 } 3482 return null; 3483 } 3484 3485 @Override 3486 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3487 if (!sUserManager.exists(userId)) return null; 3488 flags = updateFlagsForApplication(flags, userId, packageName); 3489 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3490 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3491 // writer 3492 synchronized (mPackages) { 3493 PackageParser.Package p = mPackages.get(packageName); 3494 if (DEBUG_PACKAGE_INFO) Log.v( 3495 TAG, "getApplicationInfo " + packageName 3496 + ": " + p); 3497 if (p != null) { 3498 PackageSetting ps = mSettings.mPackages.get(packageName); 3499 if (ps == null) return null; 3500 // Note: isEnabledLP() does not apply here - always return info 3501 return PackageParser.generateApplicationInfo( 3502 p, flags, ps.readUserState(userId), userId); 3503 } 3504 if ("android".equals(packageName)||"system".equals(packageName)) { 3505 return mAndroidApplication; 3506 } 3507 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3508 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3509 } 3510 } 3511 return null; 3512 } 3513 3514 @Override 3515 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3516 final IPackageDataObserver observer) { 3517 mContext.enforceCallingOrSelfPermission( 3518 android.Manifest.permission.CLEAR_APP_CACHE, null); 3519 // Queue up an async operation since clearing cache may take a little while. 3520 mHandler.post(new Runnable() { 3521 public void run() { 3522 mHandler.removeCallbacks(this); 3523 boolean success = true; 3524 synchronized (mInstallLock) { 3525 try { 3526 mInstaller.freeCache(volumeUuid, freeStorageSize); 3527 } catch (InstallerException e) { 3528 Slog.w(TAG, "Couldn't clear application caches: " + e); 3529 success = false; 3530 } 3531 } 3532 if (observer != null) { 3533 try { 3534 observer.onRemoveCompleted(null, success); 3535 } catch (RemoteException e) { 3536 Slog.w(TAG, "RemoveException when invoking call back"); 3537 } 3538 } 3539 } 3540 }); 3541 } 3542 3543 @Override 3544 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3545 final IntentSender pi) { 3546 mContext.enforceCallingOrSelfPermission( 3547 android.Manifest.permission.CLEAR_APP_CACHE, null); 3548 // Queue up an async operation since clearing cache may take a little while. 3549 mHandler.post(new Runnable() { 3550 public void run() { 3551 mHandler.removeCallbacks(this); 3552 boolean success = true; 3553 synchronized (mInstallLock) { 3554 try { 3555 mInstaller.freeCache(volumeUuid, freeStorageSize); 3556 } catch (InstallerException e) { 3557 Slog.w(TAG, "Couldn't clear application caches: " + e); 3558 success = false; 3559 } 3560 } 3561 if(pi != null) { 3562 try { 3563 // Callback via pending intent 3564 int code = success ? 1 : 0; 3565 pi.sendIntent(null, code, null, 3566 null, null); 3567 } catch (SendIntentException e1) { 3568 Slog.i(TAG, "Failed to send pending intent"); 3569 } 3570 } 3571 } 3572 }); 3573 } 3574 3575 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3576 synchronized (mInstallLock) { 3577 try { 3578 mInstaller.freeCache(volumeUuid, freeStorageSize); 3579 } catch (InstallerException e) { 3580 throw new IOException("Failed to free enough space", e); 3581 } 3582 } 3583 } 3584 3585 /** 3586 * Update given flags based on encryption status of current user. 3587 */ 3588 private int updateFlags(int flags, int userId) { 3589 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3590 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3591 // Caller expressed an explicit opinion about what encryption 3592 // aware/unaware components they want to see, so fall through and 3593 // give them what they want 3594 } else { 3595 // Caller expressed no opinion, so match based on user state 3596 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3597 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3598 } else { 3599 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3600 } 3601 } 3602 return flags; 3603 } 3604 3605 private UserManagerInternal getUserManagerInternal() { 3606 if (mUserManagerInternal == null) { 3607 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3608 } 3609 return mUserManagerInternal; 3610 } 3611 3612 /** 3613 * Update given flags when being used to request {@link PackageInfo}. 3614 */ 3615 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3616 boolean triaged = true; 3617 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3618 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3619 // Caller is asking for component details, so they'd better be 3620 // asking for specific encryption matching behavior, or be triaged 3621 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3622 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3623 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3624 triaged = false; 3625 } 3626 } 3627 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3628 | PackageManager.MATCH_SYSTEM_ONLY 3629 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3630 triaged = false; 3631 } 3632 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3633 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3634 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3635 } 3636 return updateFlags(flags, userId); 3637 } 3638 3639 /** 3640 * Update given flags when being used to request {@link ApplicationInfo}. 3641 */ 3642 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3643 return updateFlagsForPackage(flags, userId, cookie); 3644 } 3645 3646 /** 3647 * Update given flags when being used to request {@link ComponentInfo}. 3648 */ 3649 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3650 if (cookie instanceof Intent) { 3651 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3652 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3653 } 3654 } 3655 3656 boolean triaged = true; 3657 // Caller is asking for component details, so they'd better be 3658 // asking for specific encryption matching behavior, or be triaged 3659 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3660 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3661 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3662 triaged = false; 3663 } 3664 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3665 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3666 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3667 } 3668 3669 return updateFlags(flags, userId); 3670 } 3671 3672 /** 3673 * Update given flags when being used to request {@link ResolveInfo}. 3674 */ 3675 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3676 // Safe mode means we shouldn't match any third-party components 3677 if (mSafeMode) { 3678 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3679 } 3680 3681 return updateFlagsForComponent(flags, userId, cookie); 3682 } 3683 3684 @Override 3685 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3686 if (!sUserManager.exists(userId)) return null; 3687 flags = updateFlagsForComponent(flags, userId, component); 3688 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3689 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3690 synchronized (mPackages) { 3691 PackageParser.Activity a = mActivities.mActivities.get(component); 3692 3693 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3694 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3695 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3696 if (ps == null) return null; 3697 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3698 userId); 3699 } 3700 if (mResolveComponentName.equals(component)) { 3701 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3702 new PackageUserState(), userId); 3703 } 3704 } 3705 return null; 3706 } 3707 3708 @Override 3709 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3710 String resolvedType) { 3711 synchronized (mPackages) { 3712 if (component.equals(mResolveComponentName)) { 3713 // The resolver supports EVERYTHING! 3714 return true; 3715 } 3716 PackageParser.Activity a = mActivities.mActivities.get(component); 3717 if (a == null) { 3718 return false; 3719 } 3720 for (int i=0; i<a.intents.size(); i++) { 3721 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3722 intent.getData(), intent.getCategories(), TAG) >= 0) { 3723 return true; 3724 } 3725 } 3726 return false; 3727 } 3728 } 3729 3730 @Override 3731 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3732 if (!sUserManager.exists(userId)) return null; 3733 flags = updateFlagsForComponent(flags, userId, component); 3734 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3735 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3736 synchronized (mPackages) { 3737 PackageParser.Activity a = mReceivers.mActivities.get(component); 3738 if (DEBUG_PACKAGE_INFO) Log.v( 3739 TAG, "getReceiverInfo " + component + ": " + a); 3740 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3741 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3742 if (ps == null) return null; 3743 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3744 userId); 3745 } 3746 } 3747 return null; 3748 } 3749 3750 @Override 3751 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3752 if (!sUserManager.exists(userId)) return null; 3753 flags = updateFlagsForComponent(flags, userId, component); 3754 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3755 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3756 synchronized (mPackages) { 3757 PackageParser.Service s = mServices.mServices.get(component); 3758 if (DEBUG_PACKAGE_INFO) Log.v( 3759 TAG, "getServiceInfo " + component + ": " + s); 3760 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3761 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3762 if (ps == null) return null; 3763 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3764 userId); 3765 } 3766 } 3767 return null; 3768 } 3769 3770 @Override 3771 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3772 if (!sUserManager.exists(userId)) return null; 3773 flags = updateFlagsForComponent(flags, userId, component); 3774 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3775 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3776 synchronized (mPackages) { 3777 PackageParser.Provider p = mProviders.mProviders.get(component); 3778 if (DEBUG_PACKAGE_INFO) Log.v( 3779 TAG, "getProviderInfo " + component + ": " + p); 3780 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3781 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3782 if (ps == null) return null; 3783 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3784 userId); 3785 } 3786 } 3787 return null; 3788 } 3789 3790 @Override 3791 public String[] getSystemSharedLibraryNames() { 3792 Set<String> libSet; 3793 synchronized (mPackages) { 3794 libSet = mSharedLibraries.keySet(); 3795 int size = libSet.size(); 3796 if (size > 0) { 3797 String[] libs = new String[size]; 3798 libSet.toArray(libs); 3799 return libs; 3800 } 3801 } 3802 return null; 3803 } 3804 3805 @Override 3806 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3807 synchronized (mPackages) { 3808 return mServicesSystemSharedLibraryPackageName; 3809 } 3810 } 3811 3812 @Override 3813 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3814 synchronized (mPackages) { 3815 return mSharedSystemSharedLibraryPackageName; 3816 } 3817 } 3818 3819 @Override 3820 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3821 synchronized (mPackages) { 3822 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3823 3824 final FeatureInfo fi = new FeatureInfo(); 3825 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3826 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3827 res.add(fi); 3828 3829 return new ParceledListSlice<>(res); 3830 } 3831 } 3832 3833 @Override 3834 public boolean hasSystemFeature(String name, int version) { 3835 synchronized (mPackages) { 3836 final FeatureInfo feat = mAvailableFeatures.get(name); 3837 if (feat == null) { 3838 return false; 3839 } else { 3840 return feat.version >= version; 3841 } 3842 } 3843 } 3844 3845 @Override 3846 public int checkPermission(String permName, String pkgName, int userId) { 3847 if (!sUserManager.exists(userId)) { 3848 return PackageManager.PERMISSION_DENIED; 3849 } 3850 3851 synchronized (mPackages) { 3852 final PackageParser.Package p = mPackages.get(pkgName); 3853 if (p != null && p.mExtras != null) { 3854 final PackageSetting ps = (PackageSetting) p.mExtras; 3855 final PermissionsState permissionsState = ps.getPermissionsState(); 3856 if (permissionsState.hasPermission(permName, userId)) { 3857 return PackageManager.PERMISSION_GRANTED; 3858 } 3859 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3860 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3861 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3862 return PackageManager.PERMISSION_GRANTED; 3863 } 3864 } 3865 } 3866 3867 return PackageManager.PERMISSION_DENIED; 3868 } 3869 3870 @Override 3871 public int checkUidPermission(String permName, int uid) { 3872 final int userId = UserHandle.getUserId(uid); 3873 3874 if (!sUserManager.exists(userId)) { 3875 return PackageManager.PERMISSION_DENIED; 3876 } 3877 3878 synchronized (mPackages) { 3879 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3880 if (obj != null) { 3881 final SettingBase ps = (SettingBase) obj; 3882 final PermissionsState permissionsState = ps.getPermissionsState(); 3883 if (permissionsState.hasPermission(permName, userId)) { 3884 return PackageManager.PERMISSION_GRANTED; 3885 } 3886 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3887 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3888 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3889 return PackageManager.PERMISSION_GRANTED; 3890 } 3891 } else { 3892 ArraySet<String> perms = mSystemPermissions.get(uid); 3893 if (perms != null) { 3894 if (perms.contains(permName)) { 3895 return PackageManager.PERMISSION_GRANTED; 3896 } 3897 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3898 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3899 return PackageManager.PERMISSION_GRANTED; 3900 } 3901 } 3902 } 3903 } 3904 3905 return PackageManager.PERMISSION_DENIED; 3906 } 3907 3908 @Override 3909 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3910 if (UserHandle.getCallingUserId() != userId) { 3911 mContext.enforceCallingPermission( 3912 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3913 "isPermissionRevokedByPolicy for user " + userId); 3914 } 3915 3916 if (checkPermission(permission, packageName, userId) 3917 == PackageManager.PERMISSION_GRANTED) { 3918 return false; 3919 } 3920 3921 final long identity = Binder.clearCallingIdentity(); 3922 try { 3923 final int flags = getPermissionFlags(permission, packageName, userId); 3924 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3925 } finally { 3926 Binder.restoreCallingIdentity(identity); 3927 } 3928 } 3929 3930 @Override 3931 public String getPermissionControllerPackageName() { 3932 synchronized (mPackages) { 3933 return mRequiredInstallerPackage; 3934 } 3935 } 3936 3937 /** 3938 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3939 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3940 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3941 * @param message the message to log on security exception 3942 */ 3943 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3944 boolean checkShell, String message) { 3945 if (userId < 0) { 3946 throw new IllegalArgumentException("Invalid userId " + userId); 3947 } 3948 if (checkShell) { 3949 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3950 } 3951 if (userId == UserHandle.getUserId(callingUid)) return; 3952 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3953 if (requireFullPermission) { 3954 mContext.enforceCallingOrSelfPermission( 3955 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3956 } else { 3957 try { 3958 mContext.enforceCallingOrSelfPermission( 3959 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3960 } catch (SecurityException se) { 3961 mContext.enforceCallingOrSelfPermission( 3962 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3963 } 3964 } 3965 } 3966 } 3967 3968 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3969 if (callingUid == Process.SHELL_UID) { 3970 if (userHandle >= 0 3971 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3972 throw new SecurityException("Shell does not have permission to access user " 3973 + userHandle); 3974 } else if (userHandle < 0) { 3975 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3976 + Debug.getCallers(3)); 3977 } 3978 } 3979 } 3980 3981 private BasePermission findPermissionTreeLP(String permName) { 3982 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3983 if (permName.startsWith(bp.name) && 3984 permName.length() > bp.name.length() && 3985 permName.charAt(bp.name.length()) == '.') { 3986 return bp; 3987 } 3988 } 3989 return null; 3990 } 3991 3992 private BasePermission checkPermissionTreeLP(String permName) { 3993 if (permName != null) { 3994 BasePermission bp = findPermissionTreeLP(permName); 3995 if (bp != null) { 3996 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3997 return bp; 3998 } 3999 throw new SecurityException("Calling uid " 4000 + Binder.getCallingUid() 4001 + " is not allowed to add to permission tree " 4002 + bp.name + " owned by uid " + bp.uid); 4003 } 4004 } 4005 throw new SecurityException("No permission tree found for " + permName); 4006 } 4007 4008 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4009 if (s1 == null) { 4010 return s2 == null; 4011 } 4012 if (s2 == null) { 4013 return false; 4014 } 4015 if (s1.getClass() != s2.getClass()) { 4016 return false; 4017 } 4018 return s1.equals(s2); 4019 } 4020 4021 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4022 if (pi1.icon != pi2.icon) return false; 4023 if (pi1.logo != pi2.logo) return false; 4024 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4025 if (!compareStrings(pi1.name, pi2.name)) return false; 4026 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4027 // We'll take care of setting this one. 4028 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4029 // These are not currently stored in settings. 4030 //if (!compareStrings(pi1.group, pi2.group)) return false; 4031 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4032 //if (pi1.labelRes != pi2.labelRes) return false; 4033 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4034 return true; 4035 } 4036 4037 int permissionInfoFootprint(PermissionInfo info) { 4038 int size = info.name.length(); 4039 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4040 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4041 return size; 4042 } 4043 4044 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4045 int size = 0; 4046 for (BasePermission perm : mSettings.mPermissions.values()) { 4047 if (perm.uid == tree.uid) { 4048 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4049 } 4050 } 4051 return size; 4052 } 4053 4054 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4055 // We calculate the max size of permissions defined by this uid and throw 4056 // if that plus the size of 'info' would exceed our stated maximum. 4057 if (tree.uid != Process.SYSTEM_UID) { 4058 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4059 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4060 throw new SecurityException("Permission tree size cap exceeded"); 4061 } 4062 } 4063 } 4064 4065 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4066 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4067 throw new SecurityException("Label must be specified in permission"); 4068 } 4069 BasePermission tree = checkPermissionTreeLP(info.name); 4070 BasePermission bp = mSettings.mPermissions.get(info.name); 4071 boolean added = bp == null; 4072 boolean changed = true; 4073 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4074 if (added) { 4075 enforcePermissionCapLocked(info, tree); 4076 bp = new BasePermission(info.name, tree.sourcePackage, 4077 BasePermission.TYPE_DYNAMIC); 4078 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4079 throw new SecurityException( 4080 "Not allowed to modify non-dynamic permission " 4081 + info.name); 4082 } else { 4083 if (bp.protectionLevel == fixedLevel 4084 && bp.perm.owner.equals(tree.perm.owner) 4085 && bp.uid == tree.uid 4086 && comparePermissionInfos(bp.perm.info, info)) { 4087 changed = false; 4088 } 4089 } 4090 bp.protectionLevel = fixedLevel; 4091 info = new PermissionInfo(info); 4092 info.protectionLevel = fixedLevel; 4093 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4094 bp.perm.info.packageName = tree.perm.info.packageName; 4095 bp.uid = tree.uid; 4096 if (added) { 4097 mSettings.mPermissions.put(info.name, bp); 4098 } 4099 if (changed) { 4100 if (!async) { 4101 mSettings.writeLPr(); 4102 } else { 4103 scheduleWriteSettingsLocked(); 4104 } 4105 } 4106 return added; 4107 } 4108 4109 @Override 4110 public boolean addPermission(PermissionInfo info) { 4111 synchronized (mPackages) { 4112 return addPermissionLocked(info, false); 4113 } 4114 } 4115 4116 @Override 4117 public boolean addPermissionAsync(PermissionInfo info) { 4118 synchronized (mPackages) { 4119 return addPermissionLocked(info, true); 4120 } 4121 } 4122 4123 @Override 4124 public void removePermission(String name) { 4125 synchronized (mPackages) { 4126 checkPermissionTreeLP(name); 4127 BasePermission bp = mSettings.mPermissions.get(name); 4128 if (bp != null) { 4129 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4130 throw new SecurityException( 4131 "Not allowed to modify non-dynamic permission " 4132 + name); 4133 } 4134 mSettings.mPermissions.remove(name); 4135 mSettings.writeLPr(); 4136 } 4137 } 4138 } 4139 4140 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4141 BasePermission bp) { 4142 int index = pkg.requestedPermissions.indexOf(bp.name); 4143 if (index == -1) { 4144 throw new SecurityException("Package " + pkg.packageName 4145 + " has not requested permission " + bp.name); 4146 } 4147 if (!bp.isRuntime() && !bp.isDevelopment()) { 4148 throw new SecurityException("Permission " + bp.name 4149 + " is not a changeable permission type"); 4150 } 4151 } 4152 4153 @Override 4154 public void grantRuntimePermission(String packageName, String name, final int userId) { 4155 if (!sUserManager.exists(userId)) { 4156 Log.e(TAG, "No such user:" + userId); 4157 return; 4158 } 4159 4160 mContext.enforceCallingOrSelfPermission( 4161 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4162 "grantRuntimePermission"); 4163 4164 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4165 true /* requireFullPermission */, true /* checkShell */, 4166 "grantRuntimePermission"); 4167 4168 final int uid; 4169 final SettingBase sb; 4170 4171 synchronized (mPackages) { 4172 final PackageParser.Package pkg = mPackages.get(packageName); 4173 if (pkg == null) { 4174 throw new IllegalArgumentException("Unknown package: " + packageName); 4175 } 4176 4177 final BasePermission bp = mSettings.mPermissions.get(name); 4178 if (bp == null) { 4179 throw new IllegalArgumentException("Unknown permission: " + name); 4180 } 4181 4182 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4183 4184 // If a permission review is required for legacy apps we represent 4185 // their permissions as always granted runtime ones since we need 4186 // to keep the review required permission flag per user while an 4187 // install permission's state is shared across all users. 4188 if (Build.PERMISSIONS_REVIEW_REQUIRED 4189 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4190 && bp.isRuntime()) { 4191 return; 4192 } 4193 4194 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4195 sb = (SettingBase) pkg.mExtras; 4196 if (sb == null) { 4197 throw new IllegalArgumentException("Unknown package: " + packageName); 4198 } 4199 4200 final PermissionsState permissionsState = sb.getPermissionsState(); 4201 4202 final int flags = permissionsState.getPermissionFlags(name, userId); 4203 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4204 throw new SecurityException("Cannot grant system fixed permission " 4205 + name + " for package " + packageName); 4206 } 4207 4208 if (bp.isDevelopment()) { 4209 // Development permissions must be handled specially, since they are not 4210 // normal runtime permissions. For now they apply to all users. 4211 if (permissionsState.grantInstallPermission(bp) != 4212 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4213 scheduleWriteSettingsLocked(); 4214 } 4215 return; 4216 } 4217 4218 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4219 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4220 return; 4221 } 4222 4223 final int result = permissionsState.grantRuntimePermission(bp, userId); 4224 switch (result) { 4225 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4226 return; 4227 } 4228 4229 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4230 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4231 mHandler.post(new Runnable() { 4232 @Override 4233 public void run() { 4234 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4235 } 4236 }); 4237 } 4238 break; 4239 } 4240 4241 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4242 4243 // Not critical if that is lost - app has to request again. 4244 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4245 } 4246 4247 // Only need to do this if user is initialized. Otherwise it's a new user 4248 // and there are no processes running as the user yet and there's no need 4249 // to make an expensive call to remount processes for the changed permissions. 4250 if (READ_EXTERNAL_STORAGE.equals(name) 4251 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4252 final long token = Binder.clearCallingIdentity(); 4253 try { 4254 if (sUserManager.isInitialized(userId)) { 4255 MountServiceInternal mountServiceInternal = LocalServices.getService( 4256 MountServiceInternal.class); 4257 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4258 } 4259 } finally { 4260 Binder.restoreCallingIdentity(token); 4261 } 4262 } 4263 } 4264 4265 @Override 4266 public void revokeRuntimePermission(String packageName, String name, int userId) { 4267 if (!sUserManager.exists(userId)) { 4268 Log.e(TAG, "No such user:" + userId); 4269 return; 4270 } 4271 4272 mContext.enforceCallingOrSelfPermission( 4273 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4274 "revokeRuntimePermission"); 4275 4276 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4277 true /* requireFullPermission */, true /* checkShell */, 4278 "revokeRuntimePermission"); 4279 4280 final int appId; 4281 4282 synchronized (mPackages) { 4283 final PackageParser.Package pkg = mPackages.get(packageName); 4284 if (pkg == null) { 4285 throw new IllegalArgumentException("Unknown package: " + packageName); 4286 } 4287 4288 final BasePermission bp = mSettings.mPermissions.get(name); 4289 if (bp == null) { 4290 throw new IllegalArgumentException("Unknown permission: " + name); 4291 } 4292 4293 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4294 4295 // If a permission review is required for legacy apps we represent 4296 // their permissions as always granted runtime ones since we need 4297 // to keep the review required permission flag per user while an 4298 // install permission's state is shared across all users. 4299 if (Build.PERMISSIONS_REVIEW_REQUIRED 4300 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4301 && bp.isRuntime()) { 4302 return; 4303 } 4304 4305 SettingBase sb = (SettingBase) pkg.mExtras; 4306 if (sb == null) { 4307 throw new IllegalArgumentException("Unknown package: " + packageName); 4308 } 4309 4310 final PermissionsState permissionsState = sb.getPermissionsState(); 4311 4312 final int flags = permissionsState.getPermissionFlags(name, userId); 4313 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4314 throw new SecurityException("Cannot revoke system fixed permission " 4315 + name + " for package " + packageName); 4316 } 4317 4318 if (bp.isDevelopment()) { 4319 // Development permissions must be handled specially, since they are not 4320 // normal runtime permissions. For now they apply to all users. 4321 if (permissionsState.revokeInstallPermission(bp) != 4322 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4323 scheduleWriteSettingsLocked(); 4324 } 4325 return; 4326 } 4327 4328 if (permissionsState.revokeRuntimePermission(bp, userId) == 4329 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4330 return; 4331 } 4332 4333 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4334 4335 // Critical, after this call app should never have the permission. 4336 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4337 4338 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4339 } 4340 4341 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4342 } 4343 4344 @Override 4345 public void resetRuntimePermissions() { 4346 mContext.enforceCallingOrSelfPermission( 4347 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4348 "revokeRuntimePermission"); 4349 4350 int callingUid = Binder.getCallingUid(); 4351 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4352 mContext.enforceCallingOrSelfPermission( 4353 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4354 "resetRuntimePermissions"); 4355 } 4356 4357 synchronized (mPackages) { 4358 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4359 for (int userId : UserManagerService.getInstance().getUserIds()) { 4360 final int packageCount = mPackages.size(); 4361 for (int i = 0; i < packageCount; i++) { 4362 PackageParser.Package pkg = mPackages.valueAt(i); 4363 if (!(pkg.mExtras instanceof PackageSetting)) { 4364 continue; 4365 } 4366 PackageSetting ps = (PackageSetting) pkg.mExtras; 4367 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4368 } 4369 } 4370 } 4371 } 4372 4373 @Override 4374 public int getPermissionFlags(String name, String packageName, int userId) { 4375 if (!sUserManager.exists(userId)) { 4376 return 0; 4377 } 4378 4379 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4380 4381 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4382 true /* requireFullPermission */, false /* checkShell */, 4383 "getPermissionFlags"); 4384 4385 synchronized (mPackages) { 4386 final PackageParser.Package pkg = mPackages.get(packageName); 4387 if (pkg == null) { 4388 return 0; 4389 } 4390 4391 final BasePermission bp = mSettings.mPermissions.get(name); 4392 if (bp == null) { 4393 return 0; 4394 } 4395 4396 SettingBase sb = (SettingBase) pkg.mExtras; 4397 if (sb == null) { 4398 return 0; 4399 } 4400 4401 PermissionsState permissionsState = sb.getPermissionsState(); 4402 return permissionsState.getPermissionFlags(name, userId); 4403 } 4404 } 4405 4406 @Override 4407 public void updatePermissionFlags(String name, String packageName, int flagMask, 4408 int flagValues, int userId) { 4409 if (!sUserManager.exists(userId)) { 4410 return; 4411 } 4412 4413 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4414 4415 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4416 true /* requireFullPermission */, true /* checkShell */, 4417 "updatePermissionFlags"); 4418 4419 // Only the system can change these flags and nothing else. 4420 if (getCallingUid() != Process.SYSTEM_UID) { 4421 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4422 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4423 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4424 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4425 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4426 } 4427 4428 synchronized (mPackages) { 4429 final PackageParser.Package pkg = mPackages.get(packageName); 4430 if (pkg == null) { 4431 throw new IllegalArgumentException("Unknown package: " + packageName); 4432 } 4433 4434 final BasePermission bp = mSettings.mPermissions.get(name); 4435 if (bp == null) { 4436 throw new IllegalArgumentException("Unknown permission: " + name); 4437 } 4438 4439 SettingBase sb = (SettingBase) pkg.mExtras; 4440 if (sb == null) { 4441 throw new IllegalArgumentException("Unknown package: " + packageName); 4442 } 4443 4444 PermissionsState permissionsState = sb.getPermissionsState(); 4445 4446 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4447 4448 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4449 // Install and runtime permissions are stored in different places, 4450 // so figure out what permission changed and persist the change. 4451 if (permissionsState.getInstallPermissionState(name) != null) { 4452 scheduleWriteSettingsLocked(); 4453 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4454 || hadState) { 4455 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4456 } 4457 } 4458 } 4459 } 4460 4461 /** 4462 * Update the permission flags for all packages and runtime permissions of a user in order 4463 * to allow device or profile owner to remove POLICY_FIXED. 4464 */ 4465 @Override 4466 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4467 if (!sUserManager.exists(userId)) { 4468 return; 4469 } 4470 4471 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4472 4473 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4474 true /* requireFullPermission */, true /* checkShell */, 4475 "updatePermissionFlagsForAllApps"); 4476 4477 // Only the system can change system fixed flags. 4478 if (getCallingUid() != Process.SYSTEM_UID) { 4479 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4480 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4481 } 4482 4483 synchronized (mPackages) { 4484 boolean changed = false; 4485 final int packageCount = mPackages.size(); 4486 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4487 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4488 SettingBase sb = (SettingBase) pkg.mExtras; 4489 if (sb == null) { 4490 continue; 4491 } 4492 PermissionsState permissionsState = sb.getPermissionsState(); 4493 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4494 userId, flagMask, flagValues); 4495 } 4496 if (changed) { 4497 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4498 } 4499 } 4500 } 4501 4502 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4503 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4504 != PackageManager.PERMISSION_GRANTED 4505 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4506 != PackageManager.PERMISSION_GRANTED) { 4507 throw new SecurityException(message + " requires " 4508 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4509 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4510 } 4511 } 4512 4513 @Override 4514 public boolean shouldShowRequestPermissionRationale(String permissionName, 4515 String packageName, int userId) { 4516 if (UserHandle.getCallingUserId() != userId) { 4517 mContext.enforceCallingPermission( 4518 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4519 "canShowRequestPermissionRationale for user " + userId); 4520 } 4521 4522 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4523 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4524 return false; 4525 } 4526 4527 if (checkPermission(permissionName, packageName, userId) 4528 == PackageManager.PERMISSION_GRANTED) { 4529 return false; 4530 } 4531 4532 final int flags; 4533 4534 final long identity = Binder.clearCallingIdentity(); 4535 try { 4536 flags = getPermissionFlags(permissionName, 4537 packageName, userId); 4538 } finally { 4539 Binder.restoreCallingIdentity(identity); 4540 } 4541 4542 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4543 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4544 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4545 4546 if ((flags & fixedFlags) != 0) { 4547 return false; 4548 } 4549 4550 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4551 } 4552 4553 @Override 4554 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4555 mContext.enforceCallingOrSelfPermission( 4556 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4557 "addOnPermissionsChangeListener"); 4558 4559 synchronized (mPackages) { 4560 mOnPermissionChangeListeners.addListenerLocked(listener); 4561 } 4562 } 4563 4564 @Override 4565 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4566 synchronized (mPackages) { 4567 mOnPermissionChangeListeners.removeListenerLocked(listener); 4568 } 4569 } 4570 4571 @Override 4572 public boolean isProtectedBroadcast(String actionName) { 4573 synchronized (mPackages) { 4574 if (mProtectedBroadcasts.contains(actionName)) { 4575 return true; 4576 } else if (actionName != null) { 4577 // TODO: remove these terrible hacks 4578 if (actionName.startsWith("android.net.netmon.lingerExpired") 4579 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4580 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4581 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4582 return true; 4583 } 4584 } 4585 } 4586 return false; 4587 } 4588 4589 @Override 4590 public int checkSignatures(String pkg1, String pkg2) { 4591 synchronized (mPackages) { 4592 final PackageParser.Package p1 = mPackages.get(pkg1); 4593 final PackageParser.Package p2 = mPackages.get(pkg2); 4594 if (p1 == null || p1.mExtras == null 4595 || p2 == null || p2.mExtras == null) { 4596 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4597 } 4598 return compareSignatures(p1.mSignatures, p2.mSignatures); 4599 } 4600 } 4601 4602 @Override 4603 public int checkUidSignatures(int uid1, int uid2) { 4604 // Map to base uids. 4605 uid1 = UserHandle.getAppId(uid1); 4606 uid2 = UserHandle.getAppId(uid2); 4607 // reader 4608 synchronized (mPackages) { 4609 Signature[] s1; 4610 Signature[] s2; 4611 Object obj = mSettings.getUserIdLPr(uid1); 4612 if (obj != null) { 4613 if (obj instanceof SharedUserSetting) { 4614 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4615 } else if (obj instanceof PackageSetting) { 4616 s1 = ((PackageSetting)obj).signatures.mSignatures; 4617 } else { 4618 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4619 } 4620 } else { 4621 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4622 } 4623 obj = mSettings.getUserIdLPr(uid2); 4624 if (obj != null) { 4625 if (obj instanceof SharedUserSetting) { 4626 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4627 } else if (obj instanceof PackageSetting) { 4628 s2 = ((PackageSetting)obj).signatures.mSignatures; 4629 } else { 4630 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4631 } 4632 } else { 4633 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4634 } 4635 return compareSignatures(s1, s2); 4636 } 4637 } 4638 4639 /** 4640 * This method should typically only be used when granting or revoking 4641 * permissions, since the app may immediately restart after this call. 4642 * <p> 4643 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4644 * guard your work against the app being relaunched. 4645 */ 4646 private void killUid(int appId, int userId, String reason) { 4647 final long identity = Binder.clearCallingIdentity(); 4648 try { 4649 IActivityManager am = ActivityManagerNative.getDefault(); 4650 if (am != null) { 4651 try { 4652 am.killUid(appId, userId, reason); 4653 } catch (RemoteException e) { 4654 /* ignore - same process */ 4655 } 4656 } 4657 } finally { 4658 Binder.restoreCallingIdentity(identity); 4659 } 4660 } 4661 4662 /** 4663 * Compares two sets of signatures. Returns: 4664 * <br /> 4665 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4666 * <br /> 4667 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4668 * <br /> 4669 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4670 * <br /> 4671 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4672 * <br /> 4673 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4674 */ 4675 static int compareSignatures(Signature[] s1, Signature[] s2) { 4676 if (s1 == null) { 4677 return s2 == null 4678 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4679 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4680 } 4681 4682 if (s2 == null) { 4683 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4684 } 4685 4686 if (s1.length != s2.length) { 4687 return PackageManager.SIGNATURE_NO_MATCH; 4688 } 4689 4690 // Since both signature sets are of size 1, we can compare without HashSets. 4691 if (s1.length == 1) { 4692 return s1[0].equals(s2[0]) ? 4693 PackageManager.SIGNATURE_MATCH : 4694 PackageManager.SIGNATURE_NO_MATCH; 4695 } 4696 4697 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4698 for (Signature sig : s1) { 4699 set1.add(sig); 4700 } 4701 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4702 for (Signature sig : s2) { 4703 set2.add(sig); 4704 } 4705 // Make sure s2 contains all signatures in s1. 4706 if (set1.equals(set2)) { 4707 return PackageManager.SIGNATURE_MATCH; 4708 } 4709 return PackageManager.SIGNATURE_NO_MATCH; 4710 } 4711 4712 /** 4713 * If the database version for this type of package (internal storage or 4714 * external storage) is less than the version where package signatures 4715 * were updated, return true. 4716 */ 4717 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4718 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4719 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4720 } 4721 4722 /** 4723 * Used for backward compatibility to make sure any packages with 4724 * certificate chains get upgraded to the new style. {@code existingSigs} 4725 * will be in the old format (since they were stored on disk from before the 4726 * system upgrade) and {@code scannedSigs} will be in the newer format. 4727 */ 4728 private int compareSignaturesCompat(PackageSignatures existingSigs, 4729 PackageParser.Package scannedPkg) { 4730 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4731 return PackageManager.SIGNATURE_NO_MATCH; 4732 } 4733 4734 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4735 for (Signature sig : existingSigs.mSignatures) { 4736 existingSet.add(sig); 4737 } 4738 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4739 for (Signature sig : scannedPkg.mSignatures) { 4740 try { 4741 Signature[] chainSignatures = sig.getChainSignatures(); 4742 for (Signature chainSig : chainSignatures) { 4743 scannedCompatSet.add(chainSig); 4744 } 4745 } catch (CertificateEncodingException e) { 4746 scannedCompatSet.add(sig); 4747 } 4748 } 4749 /* 4750 * Make sure the expanded scanned set contains all signatures in the 4751 * existing one. 4752 */ 4753 if (scannedCompatSet.equals(existingSet)) { 4754 // Migrate the old signatures to the new scheme. 4755 existingSigs.assignSignatures(scannedPkg.mSignatures); 4756 // The new KeySets will be re-added later in the scanning process. 4757 synchronized (mPackages) { 4758 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4759 } 4760 return PackageManager.SIGNATURE_MATCH; 4761 } 4762 return PackageManager.SIGNATURE_NO_MATCH; 4763 } 4764 4765 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4766 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4767 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4768 } 4769 4770 private int compareSignaturesRecover(PackageSignatures existingSigs, 4771 PackageParser.Package scannedPkg) { 4772 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4773 return PackageManager.SIGNATURE_NO_MATCH; 4774 } 4775 4776 String msg = null; 4777 try { 4778 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4779 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4780 + scannedPkg.packageName); 4781 return PackageManager.SIGNATURE_MATCH; 4782 } 4783 } catch (CertificateException e) { 4784 msg = e.getMessage(); 4785 } 4786 4787 logCriticalInfo(Log.INFO, 4788 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4789 return PackageManager.SIGNATURE_NO_MATCH; 4790 } 4791 4792 @Override 4793 public List<String> getAllPackages() { 4794 synchronized (mPackages) { 4795 return new ArrayList<String>(mPackages.keySet()); 4796 } 4797 } 4798 4799 @Override 4800 public String[] getPackagesForUid(int uid) { 4801 uid = UserHandle.getAppId(uid); 4802 // reader 4803 synchronized (mPackages) { 4804 Object obj = mSettings.getUserIdLPr(uid); 4805 if (obj instanceof SharedUserSetting) { 4806 final SharedUserSetting sus = (SharedUserSetting) obj; 4807 final int N = sus.packages.size(); 4808 final String[] res = new String[N]; 4809 for (int i = 0; i < N; i++) { 4810 res[i] = sus.packages.valueAt(i).name; 4811 } 4812 return res; 4813 } else if (obj instanceof PackageSetting) { 4814 final PackageSetting ps = (PackageSetting) obj; 4815 return new String[] { ps.name }; 4816 } 4817 } 4818 return null; 4819 } 4820 4821 @Override 4822 public String getNameForUid(int uid) { 4823 // reader 4824 synchronized (mPackages) { 4825 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4826 if (obj instanceof SharedUserSetting) { 4827 final SharedUserSetting sus = (SharedUserSetting) obj; 4828 return sus.name + ":" + sus.userId; 4829 } else if (obj instanceof PackageSetting) { 4830 final PackageSetting ps = (PackageSetting) obj; 4831 return ps.name; 4832 } 4833 } 4834 return null; 4835 } 4836 4837 @Override 4838 public int getUidForSharedUser(String sharedUserName) { 4839 if(sharedUserName == null) { 4840 return -1; 4841 } 4842 // reader 4843 synchronized (mPackages) { 4844 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4845 if (suid == null) { 4846 return -1; 4847 } 4848 return suid.userId; 4849 } 4850 } 4851 4852 @Override 4853 public int getFlagsForUid(int uid) { 4854 synchronized (mPackages) { 4855 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4856 if (obj instanceof SharedUserSetting) { 4857 final SharedUserSetting sus = (SharedUserSetting) obj; 4858 return sus.pkgFlags; 4859 } else if (obj instanceof PackageSetting) { 4860 final PackageSetting ps = (PackageSetting) obj; 4861 return ps.pkgFlags; 4862 } 4863 } 4864 return 0; 4865 } 4866 4867 @Override 4868 public int getPrivateFlagsForUid(int uid) { 4869 synchronized (mPackages) { 4870 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4871 if (obj instanceof SharedUserSetting) { 4872 final SharedUserSetting sus = (SharedUserSetting) obj; 4873 return sus.pkgPrivateFlags; 4874 } else if (obj instanceof PackageSetting) { 4875 final PackageSetting ps = (PackageSetting) obj; 4876 return ps.pkgPrivateFlags; 4877 } 4878 } 4879 return 0; 4880 } 4881 4882 @Override 4883 public boolean isUidPrivileged(int uid) { 4884 uid = UserHandle.getAppId(uid); 4885 // reader 4886 synchronized (mPackages) { 4887 Object obj = mSettings.getUserIdLPr(uid); 4888 if (obj instanceof SharedUserSetting) { 4889 final SharedUserSetting sus = (SharedUserSetting) obj; 4890 final Iterator<PackageSetting> it = sus.packages.iterator(); 4891 while (it.hasNext()) { 4892 if (it.next().isPrivileged()) { 4893 return true; 4894 } 4895 } 4896 } else if (obj instanceof PackageSetting) { 4897 final PackageSetting ps = (PackageSetting) obj; 4898 return ps.isPrivileged(); 4899 } 4900 } 4901 return false; 4902 } 4903 4904 @Override 4905 public String[] getAppOpPermissionPackages(String permissionName) { 4906 synchronized (mPackages) { 4907 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4908 if (pkgs == null) { 4909 return null; 4910 } 4911 return pkgs.toArray(new String[pkgs.size()]); 4912 } 4913 } 4914 4915 @Override 4916 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4917 int flags, int userId) { 4918 try { 4919 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4920 4921 if (!sUserManager.exists(userId)) return null; 4922 flags = updateFlagsForResolve(flags, userId, intent); 4923 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4924 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4925 4926 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4927 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4928 flags, userId); 4929 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4930 4931 final ResolveInfo bestChoice = 4932 chooseBestActivity(intent, resolvedType, flags, query, userId); 4933 4934 if (isEphemeralAllowed(intent, query, userId)) { 4935 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4936 final EphemeralResolveInfo ai = 4937 getEphemeralResolveInfo(intent, resolvedType, userId); 4938 if (ai != null) { 4939 if (DEBUG_EPHEMERAL) { 4940 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4941 } 4942 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4943 bestChoice.ephemeralResolveInfo = ai; 4944 } 4945 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4946 } 4947 return bestChoice; 4948 } finally { 4949 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4950 } 4951 } 4952 4953 @Override 4954 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4955 IntentFilter filter, int match, ComponentName activity) { 4956 final int userId = UserHandle.getCallingUserId(); 4957 if (DEBUG_PREFERRED) { 4958 Log.v(TAG, "setLastChosenActivity intent=" + intent 4959 + " resolvedType=" + resolvedType 4960 + " flags=" + flags 4961 + " filter=" + filter 4962 + " match=" + match 4963 + " activity=" + activity); 4964 filter.dump(new PrintStreamPrinter(System.out), " "); 4965 } 4966 intent.setComponent(null); 4967 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4968 userId); 4969 // Find any earlier preferred or last chosen entries and nuke them 4970 findPreferredActivity(intent, resolvedType, 4971 flags, query, 0, false, true, false, userId); 4972 // Add the new activity as the last chosen for this filter 4973 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4974 "Setting last chosen"); 4975 } 4976 4977 @Override 4978 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4979 final int userId = UserHandle.getCallingUserId(); 4980 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4981 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4982 userId); 4983 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4984 false, false, false, userId); 4985 } 4986 4987 4988 private boolean isEphemeralAllowed( 4989 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4990 // Short circuit and return early if possible. 4991 if (DISABLE_EPHEMERAL_APPS) { 4992 return false; 4993 } 4994 final int callingUser = UserHandle.getCallingUserId(); 4995 if (callingUser != UserHandle.USER_SYSTEM) { 4996 return false; 4997 } 4998 if (mEphemeralResolverConnection == null) { 4999 return false; 5000 } 5001 if (intent.getComponent() != null) { 5002 return false; 5003 } 5004 if (intent.getPackage() != null) { 5005 return false; 5006 } 5007 final boolean isWebUri = hasWebURI(intent); 5008 if (!isWebUri) { 5009 return false; 5010 } 5011 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5012 synchronized (mPackages) { 5013 final int count = resolvedActivites.size(); 5014 for (int n = 0; n < count; n++) { 5015 ResolveInfo info = resolvedActivites.get(n); 5016 String packageName = info.activityInfo.packageName; 5017 PackageSetting ps = mSettings.mPackages.get(packageName); 5018 if (ps != null) { 5019 // Try to get the status from User settings first 5020 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5021 int status = (int) (packedStatus >> 32); 5022 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5023 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5024 if (DEBUG_EPHEMERAL) { 5025 Slog.v(TAG, "DENY ephemeral apps;" 5026 + " pkg: " + packageName + ", status: " + status); 5027 } 5028 return false; 5029 } 5030 } 5031 } 5032 } 5033 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5034 return true; 5035 } 5036 5037 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 5038 int userId) { 5039 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 5040 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 5041 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 5042 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 5043 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 5044 ephemeralPrefixCount); 5045 final int[] shaPrefix = digest.getDigestPrefix(); 5046 final byte[][] digestBytes = digest.getDigestBytes(); 5047 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5048 mEphemeralResolverConnection.getEphemeralResolveInfoList( 5049 shaPrefix, ephemeralPrefixMask); 5050 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5051 // No hash prefix match; there are no ephemeral apps for this domain. 5052 return null; 5053 } 5054 5055 // Go in reverse order so we match the narrowest scope first. 5056 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 5057 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 5058 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 5059 continue; 5060 } 5061 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5062 // No filters; this should never happen. 5063 if (filters.isEmpty()) { 5064 continue; 5065 } 5066 // We have a domain match; resolve the filters to see if anything matches. 5067 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5068 for (int j = filters.size() - 1; j >= 0; --j) { 5069 final EphemeralResolveIntentInfo intentInfo = 5070 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5071 ephemeralResolver.addFilter(intentInfo); 5072 } 5073 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5074 intent, resolvedType, false /*defaultOnly*/, userId); 5075 if (!matchedResolveInfoList.isEmpty()) { 5076 return matchedResolveInfoList.get(0); 5077 } 5078 } 5079 } 5080 // Hash or filter mis-match; no ephemeral apps for this domain. 5081 return null; 5082 } 5083 5084 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5085 int flags, List<ResolveInfo> query, int userId) { 5086 if (query != null) { 5087 final int N = query.size(); 5088 if (N == 1) { 5089 return query.get(0); 5090 } else if (N > 1) { 5091 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5092 // If there is more than one activity with the same priority, 5093 // then let the user decide between them. 5094 ResolveInfo r0 = query.get(0); 5095 ResolveInfo r1 = query.get(1); 5096 if (DEBUG_INTENT_MATCHING || debug) { 5097 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5098 + r1.activityInfo.name + "=" + r1.priority); 5099 } 5100 // If the first activity has a higher priority, or a different 5101 // default, then it is always desirable to pick it. 5102 if (r0.priority != r1.priority 5103 || r0.preferredOrder != r1.preferredOrder 5104 || r0.isDefault != r1.isDefault) { 5105 return query.get(0); 5106 } 5107 // If we have saved a preference for a preferred activity for 5108 // this Intent, use that. 5109 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5110 flags, query, r0.priority, true, false, debug, userId); 5111 if (ri != null) { 5112 return ri; 5113 } 5114 ri = new ResolveInfo(mResolveInfo); 5115 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5116 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5117 // If all of the options come from the same package, show the application's 5118 // label and icon instead of the generic resolver's. 5119 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5120 // and then throw away the ResolveInfo itself, meaning that the caller loses 5121 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5122 // a fallback for this case; we only set the target package's resources on 5123 // the ResolveInfo, not the ActivityInfo. 5124 final String intentPackage = intent.getPackage(); 5125 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5126 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5127 ri.resolvePackageName = intentPackage; 5128 if (userNeedsBadging(userId)) { 5129 ri.noResourceId = true; 5130 } else { 5131 ri.icon = appi.icon; 5132 } 5133 ri.iconResourceId = appi.icon; 5134 ri.labelRes = appi.labelRes; 5135 } 5136 ri.activityInfo.applicationInfo = new ApplicationInfo( 5137 ri.activityInfo.applicationInfo); 5138 if (userId != 0) { 5139 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5140 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5141 } 5142 // Make sure that the resolver is displayable in car mode 5143 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5144 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5145 return ri; 5146 } 5147 } 5148 return null; 5149 } 5150 5151 /** 5152 * Return true if the given list is not empty and all of its contents have 5153 * an activityInfo with the given package name. 5154 */ 5155 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5156 if (ArrayUtils.isEmpty(list)) { 5157 return false; 5158 } 5159 for (int i = 0, N = list.size(); i < N; i++) { 5160 final ResolveInfo ri = list.get(i); 5161 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5162 if (ai == null || !packageName.equals(ai.packageName)) { 5163 return false; 5164 } 5165 } 5166 return true; 5167 } 5168 5169 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5170 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5171 final int N = query.size(); 5172 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5173 .get(userId); 5174 // Get the list of persistent preferred activities that handle the intent 5175 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5176 List<PersistentPreferredActivity> pprefs = ppir != null 5177 ? ppir.queryIntent(intent, resolvedType, 5178 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5179 : null; 5180 if (pprefs != null && pprefs.size() > 0) { 5181 final int M = pprefs.size(); 5182 for (int i=0; i<M; i++) { 5183 final PersistentPreferredActivity ppa = pprefs.get(i); 5184 if (DEBUG_PREFERRED || debug) { 5185 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5186 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5187 + "\n component=" + ppa.mComponent); 5188 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5189 } 5190 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5191 flags | MATCH_DISABLED_COMPONENTS, userId); 5192 if (DEBUG_PREFERRED || debug) { 5193 Slog.v(TAG, "Found persistent preferred activity:"); 5194 if (ai != null) { 5195 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5196 } else { 5197 Slog.v(TAG, " null"); 5198 } 5199 } 5200 if (ai == null) { 5201 // This previously registered persistent preferred activity 5202 // component is no longer known. Ignore it and do NOT remove it. 5203 continue; 5204 } 5205 for (int j=0; j<N; j++) { 5206 final ResolveInfo ri = query.get(j); 5207 if (!ri.activityInfo.applicationInfo.packageName 5208 .equals(ai.applicationInfo.packageName)) { 5209 continue; 5210 } 5211 if (!ri.activityInfo.name.equals(ai.name)) { 5212 continue; 5213 } 5214 // Found a persistent preference that can handle the intent. 5215 if (DEBUG_PREFERRED || debug) { 5216 Slog.v(TAG, "Returning persistent preferred activity: " + 5217 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5218 } 5219 return ri; 5220 } 5221 } 5222 } 5223 return null; 5224 } 5225 5226 // TODO: handle preferred activities missing while user has amnesia 5227 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5228 List<ResolveInfo> query, int priority, boolean always, 5229 boolean removeMatches, boolean debug, int userId) { 5230 if (!sUserManager.exists(userId)) return null; 5231 flags = updateFlagsForResolve(flags, userId, intent); 5232 // writer 5233 synchronized (mPackages) { 5234 if (intent.getSelector() != null) { 5235 intent = intent.getSelector(); 5236 } 5237 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5238 5239 // Try to find a matching persistent preferred activity. 5240 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5241 debug, userId); 5242 5243 // If a persistent preferred activity matched, use it. 5244 if (pri != null) { 5245 return pri; 5246 } 5247 5248 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5249 // Get the list of preferred activities that handle the intent 5250 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5251 List<PreferredActivity> prefs = pir != null 5252 ? pir.queryIntent(intent, resolvedType, 5253 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5254 : null; 5255 if (prefs != null && prefs.size() > 0) { 5256 boolean changed = false; 5257 try { 5258 // First figure out how good the original match set is. 5259 // We will only allow preferred activities that came 5260 // from the same match quality. 5261 int match = 0; 5262 5263 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5264 5265 final int N = query.size(); 5266 for (int j=0; j<N; j++) { 5267 final ResolveInfo ri = query.get(j); 5268 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5269 + ": 0x" + Integer.toHexString(match)); 5270 if (ri.match > match) { 5271 match = ri.match; 5272 } 5273 } 5274 5275 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5276 + Integer.toHexString(match)); 5277 5278 match &= IntentFilter.MATCH_CATEGORY_MASK; 5279 final int M = prefs.size(); 5280 for (int i=0; i<M; i++) { 5281 final PreferredActivity pa = prefs.get(i); 5282 if (DEBUG_PREFERRED || debug) { 5283 Slog.v(TAG, "Checking PreferredActivity ds=" 5284 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5285 + "\n component=" + pa.mPref.mComponent); 5286 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5287 } 5288 if (pa.mPref.mMatch != match) { 5289 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5290 + Integer.toHexString(pa.mPref.mMatch)); 5291 continue; 5292 } 5293 // If it's not an "always" type preferred activity and that's what we're 5294 // looking for, skip it. 5295 if (always && !pa.mPref.mAlways) { 5296 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5297 continue; 5298 } 5299 final ActivityInfo ai = getActivityInfo( 5300 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5301 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5302 userId); 5303 if (DEBUG_PREFERRED || debug) { 5304 Slog.v(TAG, "Found preferred activity:"); 5305 if (ai != null) { 5306 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5307 } else { 5308 Slog.v(TAG, " null"); 5309 } 5310 } 5311 if (ai == null) { 5312 // This previously registered preferred activity 5313 // component is no longer known. Most likely an update 5314 // to the app was installed and in the new version this 5315 // component no longer exists. Clean it up by removing 5316 // it from the preferred activities list, and skip it. 5317 Slog.w(TAG, "Removing dangling preferred activity: " 5318 + pa.mPref.mComponent); 5319 pir.removeFilter(pa); 5320 changed = true; 5321 continue; 5322 } 5323 for (int j=0; j<N; j++) { 5324 final ResolveInfo ri = query.get(j); 5325 if (!ri.activityInfo.applicationInfo.packageName 5326 .equals(ai.applicationInfo.packageName)) { 5327 continue; 5328 } 5329 if (!ri.activityInfo.name.equals(ai.name)) { 5330 continue; 5331 } 5332 5333 if (removeMatches) { 5334 pir.removeFilter(pa); 5335 changed = true; 5336 if (DEBUG_PREFERRED) { 5337 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5338 } 5339 break; 5340 } 5341 5342 // Okay we found a previously set preferred or last chosen app. 5343 // If the result set is different from when this 5344 // was created, we need to clear it and re-ask the 5345 // user their preference, if we're looking for an "always" type entry. 5346 if (always && !pa.mPref.sameSet(query)) { 5347 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5348 + intent + " type " + resolvedType); 5349 if (DEBUG_PREFERRED) { 5350 Slog.v(TAG, "Removing preferred activity since set changed " 5351 + pa.mPref.mComponent); 5352 } 5353 pir.removeFilter(pa); 5354 // Re-add the filter as a "last chosen" entry (!always) 5355 PreferredActivity lastChosen = new PreferredActivity( 5356 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5357 pir.addFilter(lastChosen); 5358 changed = true; 5359 return null; 5360 } 5361 5362 // Yay! Either the set matched or we're looking for the last chosen 5363 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5364 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5365 return ri; 5366 } 5367 } 5368 } finally { 5369 if (changed) { 5370 if (DEBUG_PREFERRED) { 5371 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5372 } 5373 scheduleWritePackageRestrictionsLocked(userId); 5374 } 5375 } 5376 } 5377 } 5378 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5379 return null; 5380 } 5381 5382 /* 5383 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5384 */ 5385 @Override 5386 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5387 int targetUserId) { 5388 mContext.enforceCallingOrSelfPermission( 5389 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5390 List<CrossProfileIntentFilter> matches = 5391 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5392 if (matches != null) { 5393 int size = matches.size(); 5394 for (int i = 0; i < size; i++) { 5395 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5396 } 5397 } 5398 if (hasWebURI(intent)) { 5399 // cross-profile app linking works only towards the parent. 5400 final UserInfo parent = getProfileParent(sourceUserId); 5401 synchronized(mPackages) { 5402 int flags = updateFlagsForResolve(0, parent.id, intent); 5403 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5404 intent, resolvedType, flags, sourceUserId, parent.id); 5405 return xpDomainInfo != null; 5406 } 5407 } 5408 return false; 5409 } 5410 5411 private UserInfo getProfileParent(int userId) { 5412 final long identity = Binder.clearCallingIdentity(); 5413 try { 5414 return sUserManager.getProfileParent(userId); 5415 } finally { 5416 Binder.restoreCallingIdentity(identity); 5417 } 5418 } 5419 5420 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5421 String resolvedType, int userId) { 5422 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5423 if (resolver != null) { 5424 return resolver.queryIntent(intent, resolvedType, false, userId); 5425 } 5426 return null; 5427 } 5428 5429 @Override 5430 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5431 String resolvedType, int flags, int userId) { 5432 try { 5433 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5434 5435 return new ParceledListSlice<>( 5436 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5437 } finally { 5438 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5439 } 5440 } 5441 5442 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5443 String resolvedType, int flags, int userId) { 5444 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5445 flags = updateFlagsForResolve(flags, userId, intent); 5446 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5447 false /* requireFullPermission */, false /* checkShell */, 5448 "query intent activities"); 5449 ComponentName comp = intent.getComponent(); 5450 if (comp == null) { 5451 if (intent.getSelector() != null) { 5452 intent = intent.getSelector(); 5453 comp = intent.getComponent(); 5454 } 5455 } 5456 5457 if (comp != null) { 5458 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5459 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5460 if (ai != null) { 5461 final ResolveInfo ri = new ResolveInfo(); 5462 ri.activityInfo = ai; 5463 list.add(ri); 5464 } 5465 return list; 5466 } 5467 5468 // reader 5469 synchronized (mPackages) { 5470 final String pkgName = intent.getPackage(); 5471 if (pkgName == null) { 5472 List<CrossProfileIntentFilter> matchingFilters = 5473 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5474 // Check for results that need to skip the current profile. 5475 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5476 resolvedType, flags, userId); 5477 if (xpResolveInfo != null) { 5478 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5479 result.add(xpResolveInfo); 5480 return filterIfNotSystemUser(result, userId); 5481 } 5482 5483 // Check for results in the current profile. 5484 List<ResolveInfo> result = mActivities.queryIntent( 5485 intent, resolvedType, flags, userId); 5486 result = filterIfNotSystemUser(result, userId); 5487 5488 // Check for cross profile results. 5489 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5490 xpResolveInfo = queryCrossProfileIntents( 5491 matchingFilters, intent, resolvedType, flags, userId, 5492 hasNonNegativePriorityResult); 5493 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5494 boolean isVisibleToUser = filterIfNotSystemUser( 5495 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5496 if (isVisibleToUser) { 5497 result.add(xpResolveInfo); 5498 Collections.sort(result, mResolvePrioritySorter); 5499 } 5500 } 5501 if (hasWebURI(intent)) { 5502 CrossProfileDomainInfo xpDomainInfo = null; 5503 final UserInfo parent = getProfileParent(userId); 5504 if (parent != null) { 5505 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5506 flags, userId, parent.id); 5507 } 5508 if (xpDomainInfo != null) { 5509 if (xpResolveInfo != null) { 5510 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5511 // in the result. 5512 result.remove(xpResolveInfo); 5513 } 5514 if (result.size() == 0) { 5515 result.add(xpDomainInfo.resolveInfo); 5516 return result; 5517 } 5518 } else if (result.size() <= 1) { 5519 return result; 5520 } 5521 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5522 xpDomainInfo, userId); 5523 Collections.sort(result, mResolvePrioritySorter); 5524 } 5525 return result; 5526 } 5527 final PackageParser.Package pkg = mPackages.get(pkgName); 5528 if (pkg != null) { 5529 return filterIfNotSystemUser( 5530 mActivities.queryIntentForPackage( 5531 intent, resolvedType, flags, pkg.activities, userId), 5532 userId); 5533 } 5534 return new ArrayList<ResolveInfo>(); 5535 } 5536 } 5537 5538 private static class CrossProfileDomainInfo { 5539 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5540 ResolveInfo resolveInfo; 5541 /* Best domain verification status of the activities found in the other profile */ 5542 int bestDomainVerificationStatus; 5543 } 5544 5545 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5546 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5547 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5548 sourceUserId)) { 5549 return null; 5550 } 5551 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5552 resolvedType, flags, parentUserId); 5553 5554 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5555 return null; 5556 } 5557 CrossProfileDomainInfo result = null; 5558 int size = resultTargetUser.size(); 5559 for (int i = 0; i < size; i++) { 5560 ResolveInfo riTargetUser = resultTargetUser.get(i); 5561 // Intent filter verification is only for filters that specify a host. So don't return 5562 // those that handle all web uris. 5563 if (riTargetUser.handleAllWebDataURI) { 5564 continue; 5565 } 5566 String packageName = riTargetUser.activityInfo.packageName; 5567 PackageSetting ps = mSettings.mPackages.get(packageName); 5568 if (ps == null) { 5569 continue; 5570 } 5571 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5572 int status = (int)(verificationState >> 32); 5573 if (result == null) { 5574 result = new CrossProfileDomainInfo(); 5575 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5576 sourceUserId, parentUserId); 5577 result.bestDomainVerificationStatus = status; 5578 } else { 5579 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5580 result.bestDomainVerificationStatus); 5581 } 5582 } 5583 // Don't consider matches with status NEVER across profiles. 5584 if (result != null && result.bestDomainVerificationStatus 5585 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5586 return null; 5587 } 5588 return result; 5589 } 5590 5591 /** 5592 * Verification statuses are ordered from the worse to the best, except for 5593 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5594 */ 5595 private int bestDomainVerificationStatus(int status1, int status2) { 5596 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5597 return status2; 5598 } 5599 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5600 return status1; 5601 } 5602 return (int) MathUtils.max(status1, status2); 5603 } 5604 5605 private boolean isUserEnabled(int userId) { 5606 long callingId = Binder.clearCallingIdentity(); 5607 try { 5608 UserInfo userInfo = sUserManager.getUserInfo(userId); 5609 return userInfo != null && userInfo.isEnabled(); 5610 } finally { 5611 Binder.restoreCallingIdentity(callingId); 5612 } 5613 } 5614 5615 /** 5616 * Filter out activities with systemUserOnly flag set, when current user is not System. 5617 * 5618 * @return filtered list 5619 */ 5620 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5621 if (userId == UserHandle.USER_SYSTEM) { 5622 return resolveInfos; 5623 } 5624 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5625 ResolveInfo info = resolveInfos.get(i); 5626 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5627 resolveInfos.remove(i); 5628 } 5629 } 5630 return resolveInfos; 5631 } 5632 5633 /** 5634 * @param resolveInfos list of resolve infos in descending priority order 5635 * @return if the list contains a resolve info with non-negative priority 5636 */ 5637 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5638 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5639 } 5640 5641 private static boolean hasWebURI(Intent intent) { 5642 if (intent.getData() == null) { 5643 return false; 5644 } 5645 final String scheme = intent.getScheme(); 5646 if (TextUtils.isEmpty(scheme)) { 5647 return false; 5648 } 5649 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5650 } 5651 5652 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5653 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5654 int userId) { 5655 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5656 5657 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5658 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5659 candidates.size()); 5660 } 5661 5662 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5663 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5664 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5665 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5666 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5667 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5668 5669 synchronized (mPackages) { 5670 final int count = candidates.size(); 5671 // First, try to use linked apps. Partition the candidates into four lists: 5672 // one for the final results, one for the "do not use ever", one for "undefined status" 5673 // and finally one for "browser app type". 5674 for (int n=0; n<count; n++) { 5675 ResolveInfo info = candidates.get(n); 5676 String packageName = info.activityInfo.packageName; 5677 PackageSetting ps = mSettings.mPackages.get(packageName); 5678 if (ps != null) { 5679 // Add to the special match all list (Browser use case) 5680 if (info.handleAllWebDataURI) { 5681 matchAllList.add(info); 5682 continue; 5683 } 5684 // Try to get the status from User settings first 5685 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5686 int status = (int)(packedStatus >> 32); 5687 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5688 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5689 if (DEBUG_DOMAIN_VERIFICATION) { 5690 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5691 + " : linkgen=" + linkGeneration); 5692 } 5693 // Use link-enabled generation as preferredOrder, i.e. 5694 // prefer newly-enabled over earlier-enabled. 5695 info.preferredOrder = linkGeneration; 5696 alwaysList.add(info); 5697 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5698 if (DEBUG_DOMAIN_VERIFICATION) { 5699 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5700 } 5701 neverList.add(info); 5702 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5703 if (DEBUG_DOMAIN_VERIFICATION) { 5704 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5705 } 5706 alwaysAskList.add(info); 5707 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5708 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5709 if (DEBUG_DOMAIN_VERIFICATION) { 5710 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5711 } 5712 undefinedList.add(info); 5713 } 5714 } 5715 } 5716 5717 // We'll want to include browser possibilities in a few cases 5718 boolean includeBrowser = false; 5719 5720 // First try to add the "always" resolution(s) for the current user, if any 5721 if (alwaysList.size() > 0) { 5722 result.addAll(alwaysList); 5723 } else { 5724 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5725 result.addAll(undefinedList); 5726 // Maybe add one for the other profile. 5727 if (xpDomainInfo != null && ( 5728 xpDomainInfo.bestDomainVerificationStatus 5729 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5730 result.add(xpDomainInfo.resolveInfo); 5731 } 5732 includeBrowser = true; 5733 } 5734 5735 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5736 // If there were 'always' entries their preferred order has been set, so we also 5737 // back that off to make the alternatives equivalent 5738 if (alwaysAskList.size() > 0) { 5739 for (ResolveInfo i : result) { 5740 i.preferredOrder = 0; 5741 } 5742 result.addAll(alwaysAskList); 5743 includeBrowser = true; 5744 } 5745 5746 if (includeBrowser) { 5747 // Also add browsers (all of them or only the default one) 5748 if (DEBUG_DOMAIN_VERIFICATION) { 5749 Slog.v(TAG, " ...including browsers in candidate set"); 5750 } 5751 if ((matchFlags & MATCH_ALL) != 0) { 5752 result.addAll(matchAllList); 5753 } else { 5754 // Browser/generic handling case. If there's a default browser, go straight 5755 // to that (but only if there is no other higher-priority match). 5756 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5757 int maxMatchPrio = 0; 5758 ResolveInfo defaultBrowserMatch = null; 5759 final int numCandidates = matchAllList.size(); 5760 for (int n = 0; n < numCandidates; n++) { 5761 ResolveInfo info = matchAllList.get(n); 5762 // track the highest overall match priority... 5763 if (info.priority > maxMatchPrio) { 5764 maxMatchPrio = info.priority; 5765 } 5766 // ...and the highest-priority default browser match 5767 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5768 if (defaultBrowserMatch == null 5769 || (defaultBrowserMatch.priority < info.priority)) { 5770 if (debug) { 5771 Slog.v(TAG, "Considering default browser match " + info); 5772 } 5773 defaultBrowserMatch = info; 5774 } 5775 } 5776 } 5777 if (defaultBrowserMatch != null 5778 && defaultBrowserMatch.priority >= maxMatchPrio 5779 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5780 { 5781 if (debug) { 5782 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5783 } 5784 result.add(defaultBrowserMatch); 5785 } else { 5786 result.addAll(matchAllList); 5787 } 5788 } 5789 5790 // If there is nothing selected, add all candidates and remove the ones that the user 5791 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5792 if (result.size() == 0) { 5793 result.addAll(candidates); 5794 result.removeAll(neverList); 5795 } 5796 } 5797 } 5798 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5799 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5800 result.size()); 5801 for (ResolveInfo info : result) { 5802 Slog.v(TAG, " + " + info.activityInfo); 5803 } 5804 } 5805 return result; 5806 } 5807 5808 // Returns a packed value as a long: 5809 // 5810 // high 'int'-sized word: link status: undefined/ask/never/always. 5811 // low 'int'-sized word: relative priority among 'always' results. 5812 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5813 long result = ps.getDomainVerificationStatusForUser(userId); 5814 // if none available, get the master status 5815 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5816 if (ps.getIntentFilterVerificationInfo() != null) { 5817 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5818 } 5819 } 5820 return result; 5821 } 5822 5823 private ResolveInfo querySkipCurrentProfileIntents( 5824 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5825 int flags, int sourceUserId) { 5826 if (matchingFilters != null) { 5827 int size = matchingFilters.size(); 5828 for (int i = 0; i < size; i ++) { 5829 CrossProfileIntentFilter filter = matchingFilters.get(i); 5830 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5831 // Checking if there are activities in the target user that can handle the 5832 // intent. 5833 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5834 resolvedType, flags, sourceUserId); 5835 if (resolveInfo != null) { 5836 return resolveInfo; 5837 } 5838 } 5839 } 5840 } 5841 return null; 5842 } 5843 5844 // Return matching ResolveInfo in target user if any. 5845 private ResolveInfo queryCrossProfileIntents( 5846 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5847 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5848 if (matchingFilters != null) { 5849 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5850 // match the same intent. For performance reasons, it is better not to 5851 // run queryIntent twice for the same userId 5852 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5853 int size = matchingFilters.size(); 5854 for (int i = 0; i < size; i++) { 5855 CrossProfileIntentFilter filter = matchingFilters.get(i); 5856 int targetUserId = filter.getTargetUserId(); 5857 boolean skipCurrentProfile = 5858 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5859 boolean skipCurrentProfileIfNoMatchFound = 5860 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5861 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5862 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5863 // Checking if there are activities in the target user that can handle the 5864 // intent. 5865 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5866 resolvedType, flags, sourceUserId); 5867 if (resolveInfo != null) return resolveInfo; 5868 alreadyTriedUserIds.put(targetUserId, true); 5869 } 5870 } 5871 } 5872 return null; 5873 } 5874 5875 /** 5876 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5877 * will forward the intent to the filter's target user. 5878 * Otherwise, returns null. 5879 */ 5880 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5881 String resolvedType, int flags, int sourceUserId) { 5882 int targetUserId = filter.getTargetUserId(); 5883 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5884 resolvedType, flags, targetUserId); 5885 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5886 // If all the matches in the target profile are suspended, return null. 5887 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5888 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5889 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5890 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5891 targetUserId); 5892 } 5893 } 5894 } 5895 return null; 5896 } 5897 5898 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5899 int sourceUserId, int targetUserId) { 5900 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5901 long ident = Binder.clearCallingIdentity(); 5902 boolean targetIsProfile; 5903 try { 5904 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5905 } finally { 5906 Binder.restoreCallingIdentity(ident); 5907 } 5908 String className; 5909 if (targetIsProfile) { 5910 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5911 } else { 5912 className = FORWARD_INTENT_TO_PARENT; 5913 } 5914 ComponentName forwardingActivityComponentName = new ComponentName( 5915 mAndroidApplication.packageName, className); 5916 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5917 sourceUserId); 5918 if (!targetIsProfile) { 5919 forwardingActivityInfo.showUserIcon = targetUserId; 5920 forwardingResolveInfo.noResourceId = true; 5921 } 5922 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5923 forwardingResolveInfo.priority = 0; 5924 forwardingResolveInfo.preferredOrder = 0; 5925 forwardingResolveInfo.match = 0; 5926 forwardingResolveInfo.isDefault = true; 5927 forwardingResolveInfo.filter = filter; 5928 forwardingResolveInfo.targetUserId = targetUserId; 5929 return forwardingResolveInfo; 5930 } 5931 5932 @Override 5933 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5934 Intent[] specifics, String[] specificTypes, Intent intent, 5935 String resolvedType, int flags, int userId) { 5936 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5937 specificTypes, intent, resolvedType, flags, userId)); 5938 } 5939 5940 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5941 Intent[] specifics, String[] specificTypes, Intent intent, 5942 String resolvedType, int flags, int userId) { 5943 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5944 flags = updateFlagsForResolve(flags, userId, intent); 5945 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5946 false /* requireFullPermission */, false /* checkShell */, 5947 "query intent activity options"); 5948 final String resultsAction = intent.getAction(); 5949 5950 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5951 | PackageManager.GET_RESOLVED_FILTER, userId); 5952 5953 if (DEBUG_INTENT_MATCHING) { 5954 Log.v(TAG, "Query " + intent + ": " + results); 5955 } 5956 5957 int specificsPos = 0; 5958 int N; 5959 5960 // todo: note that the algorithm used here is O(N^2). This 5961 // isn't a problem in our current environment, but if we start running 5962 // into situations where we have more than 5 or 10 matches then this 5963 // should probably be changed to something smarter... 5964 5965 // First we go through and resolve each of the specific items 5966 // that were supplied, taking care of removing any corresponding 5967 // duplicate items in the generic resolve list. 5968 if (specifics != null) { 5969 for (int i=0; i<specifics.length; i++) { 5970 final Intent sintent = specifics[i]; 5971 if (sintent == null) { 5972 continue; 5973 } 5974 5975 if (DEBUG_INTENT_MATCHING) { 5976 Log.v(TAG, "Specific #" + i + ": " + sintent); 5977 } 5978 5979 String action = sintent.getAction(); 5980 if (resultsAction != null && resultsAction.equals(action)) { 5981 // If this action was explicitly requested, then don't 5982 // remove things that have it. 5983 action = null; 5984 } 5985 5986 ResolveInfo ri = null; 5987 ActivityInfo ai = null; 5988 5989 ComponentName comp = sintent.getComponent(); 5990 if (comp == null) { 5991 ri = resolveIntent( 5992 sintent, 5993 specificTypes != null ? specificTypes[i] : null, 5994 flags, userId); 5995 if (ri == null) { 5996 continue; 5997 } 5998 if (ri == mResolveInfo) { 5999 // ACK! Must do something better with this. 6000 } 6001 ai = ri.activityInfo; 6002 comp = new ComponentName(ai.applicationInfo.packageName, 6003 ai.name); 6004 } else { 6005 ai = getActivityInfo(comp, flags, userId); 6006 if (ai == null) { 6007 continue; 6008 } 6009 } 6010 6011 // Look for any generic query activities that are duplicates 6012 // of this specific one, and remove them from the results. 6013 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6014 N = results.size(); 6015 int j; 6016 for (j=specificsPos; j<N; j++) { 6017 ResolveInfo sri = results.get(j); 6018 if ((sri.activityInfo.name.equals(comp.getClassName()) 6019 && sri.activityInfo.applicationInfo.packageName.equals( 6020 comp.getPackageName())) 6021 || (action != null && sri.filter.matchAction(action))) { 6022 results.remove(j); 6023 if (DEBUG_INTENT_MATCHING) Log.v( 6024 TAG, "Removing duplicate item from " + j 6025 + " due to specific " + specificsPos); 6026 if (ri == null) { 6027 ri = sri; 6028 } 6029 j--; 6030 N--; 6031 } 6032 } 6033 6034 // Add this specific item to its proper place. 6035 if (ri == null) { 6036 ri = new ResolveInfo(); 6037 ri.activityInfo = ai; 6038 } 6039 results.add(specificsPos, ri); 6040 ri.specificIndex = i; 6041 specificsPos++; 6042 } 6043 } 6044 6045 // Now we go through the remaining generic results and remove any 6046 // duplicate actions that are found here. 6047 N = results.size(); 6048 for (int i=specificsPos; i<N-1; i++) { 6049 final ResolveInfo rii = results.get(i); 6050 if (rii.filter == null) { 6051 continue; 6052 } 6053 6054 // Iterate over all of the actions of this result's intent 6055 // filter... typically this should be just one. 6056 final Iterator<String> it = rii.filter.actionsIterator(); 6057 if (it == null) { 6058 continue; 6059 } 6060 while (it.hasNext()) { 6061 final String action = it.next(); 6062 if (resultsAction != null && resultsAction.equals(action)) { 6063 // If this action was explicitly requested, then don't 6064 // remove things that have it. 6065 continue; 6066 } 6067 for (int j=i+1; j<N; j++) { 6068 final ResolveInfo rij = results.get(j); 6069 if (rij.filter != null && rij.filter.hasAction(action)) { 6070 results.remove(j); 6071 if (DEBUG_INTENT_MATCHING) Log.v( 6072 TAG, "Removing duplicate item from " + j 6073 + " due to action " + action + " at " + i); 6074 j--; 6075 N--; 6076 } 6077 } 6078 } 6079 6080 // If the caller didn't request filter information, drop it now 6081 // so we don't have to marshall/unmarshall it. 6082 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6083 rii.filter = null; 6084 } 6085 } 6086 6087 // Filter out the caller activity if so requested. 6088 if (caller != null) { 6089 N = results.size(); 6090 for (int i=0; i<N; i++) { 6091 ActivityInfo ainfo = results.get(i).activityInfo; 6092 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6093 && caller.getClassName().equals(ainfo.name)) { 6094 results.remove(i); 6095 break; 6096 } 6097 } 6098 } 6099 6100 // If the caller didn't request filter information, 6101 // drop them now so we don't have to 6102 // marshall/unmarshall it. 6103 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6104 N = results.size(); 6105 for (int i=0; i<N; i++) { 6106 results.get(i).filter = null; 6107 } 6108 } 6109 6110 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6111 return results; 6112 } 6113 6114 @Override 6115 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6116 String resolvedType, int flags, int userId) { 6117 return new ParceledListSlice<>( 6118 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6119 } 6120 6121 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6122 String resolvedType, int flags, int userId) { 6123 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6124 flags = updateFlagsForResolve(flags, userId, intent); 6125 ComponentName comp = intent.getComponent(); 6126 if (comp == null) { 6127 if (intent.getSelector() != null) { 6128 intent = intent.getSelector(); 6129 comp = intent.getComponent(); 6130 } 6131 } 6132 if (comp != null) { 6133 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6134 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6135 if (ai != null) { 6136 ResolveInfo ri = new ResolveInfo(); 6137 ri.activityInfo = ai; 6138 list.add(ri); 6139 } 6140 return list; 6141 } 6142 6143 // reader 6144 synchronized (mPackages) { 6145 String pkgName = intent.getPackage(); 6146 if (pkgName == null) { 6147 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6148 } 6149 final PackageParser.Package pkg = mPackages.get(pkgName); 6150 if (pkg != null) { 6151 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6152 userId); 6153 } 6154 return Collections.emptyList(); 6155 } 6156 } 6157 6158 @Override 6159 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6160 if (!sUserManager.exists(userId)) return null; 6161 flags = updateFlagsForResolve(flags, userId, intent); 6162 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6163 if (query != null) { 6164 if (query.size() >= 1) { 6165 // If there is more than one service with the same priority, 6166 // just arbitrarily pick the first one. 6167 return query.get(0); 6168 } 6169 } 6170 return null; 6171 } 6172 6173 @Override 6174 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6175 String resolvedType, int flags, int userId) { 6176 return new ParceledListSlice<>( 6177 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6178 } 6179 6180 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6181 String resolvedType, int flags, int userId) { 6182 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6183 flags = updateFlagsForResolve(flags, userId, intent); 6184 ComponentName comp = intent.getComponent(); 6185 if (comp == null) { 6186 if (intent.getSelector() != null) { 6187 intent = intent.getSelector(); 6188 comp = intent.getComponent(); 6189 } 6190 } 6191 if (comp != null) { 6192 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6193 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6194 if (si != null) { 6195 final ResolveInfo ri = new ResolveInfo(); 6196 ri.serviceInfo = si; 6197 list.add(ri); 6198 } 6199 return list; 6200 } 6201 6202 // reader 6203 synchronized (mPackages) { 6204 String pkgName = intent.getPackage(); 6205 if (pkgName == null) { 6206 return mServices.queryIntent(intent, resolvedType, flags, userId); 6207 } 6208 final PackageParser.Package pkg = mPackages.get(pkgName); 6209 if (pkg != null) { 6210 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6211 userId); 6212 } 6213 return Collections.emptyList(); 6214 } 6215 } 6216 6217 @Override 6218 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6219 String resolvedType, int flags, int userId) { 6220 return new ParceledListSlice<>( 6221 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6222 } 6223 6224 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6225 Intent intent, String resolvedType, int flags, int userId) { 6226 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6227 flags = updateFlagsForResolve(flags, userId, intent); 6228 ComponentName comp = intent.getComponent(); 6229 if (comp == null) { 6230 if (intent.getSelector() != null) { 6231 intent = intent.getSelector(); 6232 comp = intent.getComponent(); 6233 } 6234 } 6235 if (comp != null) { 6236 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6237 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6238 if (pi != null) { 6239 final ResolveInfo ri = new ResolveInfo(); 6240 ri.providerInfo = pi; 6241 list.add(ri); 6242 } 6243 return list; 6244 } 6245 6246 // reader 6247 synchronized (mPackages) { 6248 String pkgName = intent.getPackage(); 6249 if (pkgName == null) { 6250 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6251 } 6252 final PackageParser.Package pkg = mPackages.get(pkgName); 6253 if (pkg != null) { 6254 return mProviders.queryIntentForPackage( 6255 intent, resolvedType, flags, pkg.providers, userId); 6256 } 6257 return Collections.emptyList(); 6258 } 6259 } 6260 6261 @Override 6262 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6263 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6264 flags = updateFlagsForPackage(flags, userId, null); 6265 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6266 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6267 true /* requireFullPermission */, false /* checkShell */, 6268 "get installed packages"); 6269 6270 // writer 6271 synchronized (mPackages) { 6272 ArrayList<PackageInfo> list; 6273 if (listUninstalled) { 6274 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6275 for (PackageSetting ps : mSettings.mPackages.values()) { 6276 final PackageInfo pi; 6277 if (ps.pkg != null) { 6278 pi = generatePackageInfo(ps, flags, userId); 6279 } else { 6280 pi = generatePackageInfo(ps, flags, userId); 6281 } 6282 if (pi != null) { 6283 list.add(pi); 6284 } 6285 } 6286 } else { 6287 list = new ArrayList<PackageInfo>(mPackages.size()); 6288 for (PackageParser.Package p : mPackages.values()) { 6289 final PackageInfo pi = 6290 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6291 if (pi != null) { 6292 list.add(pi); 6293 } 6294 } 6295 } 6296 6297 return new ParceledListSlice<PackageInfo>(list); 6298 } 6299 } 6300 6301 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6302 String[] permissions, boolean[] tmp, int flags, int userId) { 6303 int numMatch = 0; 6304 final PermissionsState permissionsState = ps.getPermissionsState(); 6305 for (int i=0; i<permissions.length; i++) { 6306 final String permission = permissions[i]; 6307 if (permissionsState.hasPermission(permission, userId)) { 6308 tmp[i] = true; 6309 numMatch++; 6310 } else { 6311 tmp[i] = false; 6312 } 6313 } 6314 if (numMatch == 0) { 6315 return; 6316 } 6317 final PackageInfo pi; 6318 if (ps.pkg != null) { 6319 pi = generatePackageInfo(ps, flags, userId); 6320 } else { 6321 pi = generatePackageInfo(ps, flags, userId); 6322 } 6323 // The above might return null in cases of uninstalled apps or install-state 6324 // skew across users/profiles. 6325 if (pi != null) { 6326 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6327 if (numMatch == permissions.length) { 6328 pi.requestedPermissions = permissions; 6329 } else { 6330 pi.requestedPermissions = new String[numMatch]; 6331 numMatch = 0; 6332 for (int i=0; i<permissions.length; i++) { 6333 if (tmp[i]) { 6334 pi.requestedPermissions[numMatch] = permissions[i]; 6335 numMatch++; 6336 } 6337 } 6338 } 6339 } 6340 list.add(pi); 6341 } 6342 } 6343 6344 @Override 6345 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6346 String[] permissions, int flags, int userId) { 6347 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6348 flags = updateFlagsForPackage(flags, userId, permissions); 6349 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6350 6351 // writer 6352 synchronized (mPackages) { 6353 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6354 boolean[] tmpBools = new boolean[permissions.length]; 6355 if (listUninstalled) { 6356 for (PackageSetting ps : mSettings.mPackages.values()) { 6357 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6358 } 6359 } else { 6360 for (PackageParser.Package pkg : mPackages.values()) { 6361 PackageSetting ps = (PackageSetting)pkg.mExtras; 6362 if (ps != null) { 6363 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6364 userId); 6365 } 6366 } 6367 } 6368 6369 return new ParceledListSlice<PackageInfo>(list); 6370 } 6371 } 6372 6373 @Override 6374 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6375 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6376 flags = updateFlagsForApplication(flags, userId, null); 6377 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6378 6379 // writer 6380 synchronized (mPackages) { 6381 ArrayList<ApplicationInfo> list; 6382 if (listUninstalled) { 6383 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6384 for (PackageSetting ps : mSettings.mPackages.values()) { 6385 ApplicationInfo ai; 6386 if (ps.pkg != null) { 6387 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6388 ps.readUserState(userId), userId); 6389 } else { 6390 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6391 } 6392 if (ai != null) { 6393 list.add(ai); 6394 } 6395 } 6396 } else { 6397 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6398 for (PackageParser.Package p : mPackages.values()) { 6399 if (p.mExtras != null) { 6400 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6401 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6402 if (ai != null) { 6403 list.add(ai); 6404 } 6405 } 6406 } 6407 } 6408 6409 return new ParceledListSlice<ApplicationInfo>(list); 6410 } 6411 } 6412 6413 @Override 6414 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6415 if (DISABLE_EPHEMERAL_APPS) { 6416 return null; 6417 } 6418 6419 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6420 "getEphemeralApplications"); 6421 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6422 true /* requireFullPermission */, false /* checkShell */, 6423 "getEphemeralApplications"); 6424 synchronized (mPackages) { 6425 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6426 .getEphemeralApplicationsLPw(userId); 6427 if (ephemeralApps != null) { 6428 return new ParceledListSlice<>(ephemeralApps); 6429 } 6430 } 6431 return null; 6432 } 6433 6434 @Override 6435 public boolean isEphemeralApplication(String packageName, int userId) { 6436 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6437 true /* requireFullPermission */, false /* checkShell */, 6438 "isEphemeral"); 6439 if (DISABLE_EPHEMERAL_APPS) { 6440 return false; 6441 } 6442 6443 if (!isCallerSameApp(packageName)) { 6444 return false; 6445 } 6446 synchronized (mPackages) { 6447 PackageParser.Package pkg = mPackages.get(packageName); 6448 if (pkg != null) { 6449 return pkg.applicationInfo.isEphemeralApp(); 6450 } 6451 } 6452 return false; 6453 } 6454 6455 @Override 6456 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6457 if (DISABLE_EPHEMERAL_APPS) { 6458 return null; 6459 } 6460 6461 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6462 true /* requireFullPermission */, false /* checkShell */, 6463 "getCookie"); 6464 if (!isCallerSameApp(packageName)) { 6465 return null; 6466 } 6467 synchronized (mPackages) { 6468 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6469 packageName, userId); 6470 } 6471 } 6472 6473 @Override 6474 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6475 if (DISABLE_EPHEMERAL_APPS) { 6476 return true; 6477 } 6478 6479 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6480 true /* requireFullPermission */, true /* checkShell */, 6481 "setCookie"); 6482 if (!isCallerSameApp(packageName)) { 6483 return false; 6484 } 6485 synchronized (mPackages) { 6486 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6487 packageName, cookie, userId); 6488 } 6489 } 6490 6491 @Override 6492 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6493 if (DISABLE_EPHEMERAL_APPS) { 6494 return null; 6495 } 6496 6497 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6498 "getEphemeralApplicationIcon"); 6499 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6500 true /* requireFullPermission */, false /* checkShell */, 6501 "getEphemeralApplicationIcon"); 6502 synchronized (mPackages) { 6503 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6504 packageName, userId); 6505 } 6506 } 6507 6508 private boolean isCallerSameApp(String packageName) { 6509 PackageParser.Package pkg = mPackages.get(packageName); 6510 return pkg != null 6511 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6512 } 6513 6514 @Override 6515 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6516 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6517 } 6518 6519 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6520 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6521 6522 // reader 6523 synchronized (mPackages) { 6524 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6525 final int userId = UserHandle.getCallingUserId(); 6526 while (i.hasNext()) { 6527 final PackageParser.Package p = i.next(); 6528 if (p.applicationInfo == null) continue; 6529 6530 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6531 && !p.applicationInfo.isDirectBootAware(); 6532 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6533 && p.applicationInfo.isDirectBootAware(); 6534 6535 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6536 && (!mSafeMode || isSystemApp(p)) 6537 && (matchesUnaware || matchesAware)) { 6538 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6539 if (ps != null) { 6540 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6541 ps.readUserState(userId), userId); 6542 if (ai != null) { 6543 finalList.add(ai); 6544 } 6545 } 6546 } 6547 } 6548 } 6549 6550 return finalList; 6551 } 6552 6553 @Override 6554 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6555 if (!sUserManager.exists(userId)) return null; 6556 flags = updateFlagsForComponent(flags, userId, name); 6557 // reader 6558 synchronized (mPackages) { 6559 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6560 PackageSetting ps = provider != null 6561 ? mSettings.mPackages.get(provider.owner.packageName) 6562 : null; 6563 return ps != null 6564 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6565 ? PackageParser.generateProviderInfo(provider, flags, 6566 ps.readUserState(userId), userId) 6567 : null; 6568 } 6569 } 6570 6571 /** 6572 * @deprecated 6573 */ 6574 @Deprecated 6575 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6576 // reader 6577 synchronized (mPackages) { 6578 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6579 .entrySet().iterator(); 6580 final int userId = UserHandle.getCallingUserId(); 6581 while (i.hasNext()) { 6582 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6583 PackageParser.Provider p = entry.getValue(); 6584 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6585 6586 if (ps != null && p.syncable 6587 && (!mSafeMode || (p.info.applicationInfo.flags 6588 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6589 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6590 ps.readUserState(userId), userId); 6591 if (info != null) { 6592 outNames.add(entry.getKey()); 6593 outInfo.add(info); 6594 } 6595 } 6596 } 6597 } 6598 } 6599 6600 @Override 6601 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6602 int uid, int flags) { 6603 final int userId = processName != null ? UserHandle.getUserId(uid) 6604 : UserHandle.getCallingUserId(); 6605 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6606 flags = updateFlagsForComponent(flags, userId, processName); 6607 6608 ArrayList<ProviderInfo> finalList = null; 6609 // reader 6610 synchronized (mPackages) { 6611 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6612 while (i.hasNext()) { 6613 final PackageParser.Provider p = i.next(); 6614 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6615 if (ps != null && p.info.authority != null 6616 && (processName == null 6617 || (p.info.processName.equals(processName) 6618 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6619 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6620 if (finalList == null) { 6621 finalList = new ArrayList<ProviderInfo>(3); 6622 } 6623 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6624 ps.readUserState(userId), userId); 6625 if (info != null) { 6626 finalList.add(info); 6627 } 6628 } 6629 } 6630 } 6631 6632 if (finalList != null) { 6633 Collections.sort(finalList, mProviderInitOrderSorter); 6634 return new ParceledListSlice<ProviderInfo>(finalList); 6635 } 6636 6637 return ParceledListSlice.emptyList(); 6638 } 6639 6640 @Override 6641 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6642 // reader 6643 synchronized (mPackages) { 6644 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6645 return PackageParser.generateInstrumentationInfo(i, flags); 6646 } 6647 } 6648 6649 @Override 6650 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6651 String targetPackage, int flags) { 6652 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6653 } 6654 6655 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6656 int flags) { 6657 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6658 6659 // reader 6660 synchronized (mPackages) { 6661 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6662 while (i.hasNext()) { 6663 final PackageParser.Instrumentation p = i.next(); 6664 if (targetPackage == null 6665 || targetPackage.equals(p.info.targetPackage)) { 6666 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6667 flags); 6668 if (ii != null) { 6669 finalList.add(ii); 6670 } 6671 } 6672 } 6673 } 6674 6675 return finalList; 6676 } 6677 6678 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6679 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6680 if (overlays == null) { 6681 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6682 return; 6683 } 6684 for (PackageParser.Package opkg : overlays.values()) { 6685 // Not much to do if idmap fails: we already logged the error 6686 // and we certainly don't want to abort installation of pkg simply 6687 // because an overlay didn't fit properly. For these reasons, 6688 // ignore the return value of createIdmapForPackagePairLI. 6689 createIdmapForPackagePairLI(pkg, opkg); 6690 } 6691 } 6692 6693 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6694 PackageParser.Package opkg) { 6695 if (!opkg.mTrustedOverlay) { 6696 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6697 opkg.baseCodePath + ": overlay not trusted"); 6698 return false; 6699 } 6700 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6701 if (overlaySet == null) { 6702 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6703 opkg.baseCodePath + " but target package has no known overlays"); 6704 return false; 6705 } 6706 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6707 // TODO: generate idmap for split APKs 6708 try { 6709 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6710 } catch (InstallerException e) { 6711 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6712 + opkg.baseCodePath); 6713 return false; 6714 } 6715 PackageParser.Package[] overlayArray = 6716 overlaySet.values().toArray(new PackageParser.Package[0]); 6717 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6718 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6719 return p1.mOverlayPriority - p2.mOverlayPriority; 6720 } 6721 }; 6722 Arrays.sort(overlayArray, cmp); 6723 6724 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6725 int i = 0; 6726 for (PackageParser.Package p : overlayArray) { 6727 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6728 } 6729 return true; 6730 } 6731 6732 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6733 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6734 try { 6735 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6736 } finally { 6737 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6738 } 6739 } 6740 6741 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6742 final File[] files = dir.listFiles(); 6743 if (ArrayUtils.isEmpty(files)) { 6744 Log.d(TAG, "No files in app dir " + dir); 6745 return; 6746 } 6747 6748 if (DEBUG_PACKAGE_SCANNING) { 6749 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6750 + " flags=0x" + Integer.toHexString(parseFlags)); 6751 } 6752 6753 for (File file : files) { 6754 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6755 && !PackageInstallerService.isStageName(file.getName()); 6756 if (!isPackage) { 6757 // Ignore entries which are not packages 6758 continue; 6759 } 6760 try { 6761 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6762 scanFlags, currentTime, null); 6763 } catch (PackageManagerException e) { 6764 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6765 6766 // Delete invalid userdata apps 6767 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6768 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6769 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6770 removeCodePathLI(file); 6771 } 6772 } 6773 } 6774 } 6775 6776 private static File getSettingsProblemFile() { 6777 File dataDir = Environment.getDataDirectory(); 6778 File systemDir = new File(dataDir, "system"); 6779 File fname = new File(systemDir, "uiderrors.txt"); 6780 return fname; 6781 } 6782 6783 static void reportSettingsProblem(int priority, String msg) { 6784 logCriticalInfo(priority, msg); 6785 } 6786 6787 static void logCriticalInfo(int priority, String msg) { 6788 Slog.println(priority, TAG, msg); 6789 EventLogTags.writePmCriticalInfo(msg); 6790 try { 6791 File fname = getSettingsProblemFile(); 6792 FileOutputStream out = new FileOutputStream(fname, true); 6793 PrintWriter pw = new FastPrintWriter(out); 6794 SimpleDateFormat formatter = new SimpleDateFormat(); 6795 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6796 pw.println(dateString + ": " + msg); 6797 pw.close(); 6798 FileUtils.setPermissions( 6799 fname.toString(), 6800 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6801 -1, -1); 6802 } catch (java.io.IOException e) { 6803 } 6804 } 6805 6806 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6807 if (srcFile.isDirectory()) { 6808 final File baseFile = new File(pkg.baseCodePath); 6809 long maxModifiedTime = baseFile.lastModified(); 6810 if (pkg.splitCodePaths != null) { 6811 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6812 final File splitFile = new File(pkg.splitCodePaths[i]); 6813 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6814 } 6815 } 6816 return maxModifiedTime; 6817 } 6818 return srcFile.lastModified(); 6819 } 6820 6821 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6822 final int policyFlags) throws PackageManagerException { 6823 if (ps != null 6824 && ps.codePath.equals(srcFile) 6825 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6826 && !isCompatSignatureUpdateNeeded(pkg) 6827 && !isRecoverSignatureUpdateNeeded(pkg)) { 6828 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6829 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6830 ArraySet<PublicKey> signingKs; 6831 synchronized (mPackages) { 6832 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6833 } 6834 if (ps.signatures.mSignatures != null 6835 && ps.signatures.mSignatures.length != 0 6836 && signingKs != null) { 6837 // Optimization: reuse the existing cached certificates 6838 // if the package appears to be unchanged. 6839 pkg.mSignatures = ps.signatures.mSignatures; 6840 pkg.mSigningKeys = signingKs; 6841 return; 6842 } 6843 6844 Slog.w(TAG, "PackageSetting for " + ps.name 6845 + " is missing signatures. Collecting certs again to recover them."); 6846 } else { 6847 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6848 } 6849 6850 try { 6851 PackageParser.collectCertificates(pkg, policyFlags); 6852 } catch (PackageParserException e) { 6853 throw PackageManagerException.from(e); 6854 } 6855 } 6856 6857 /** 6858 * Traces a package scan. 6859 * @see #scanPackageLI(File, int, int, long, UserHandle) 6860 */ 6861 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6862 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6863 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6864 try { 6865 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6866 } finally { 6867 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6868 } 6869 } 6870 6871 /** 6872 * Scans a package and returns the newly parsed package. 6873 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6874 */ 6875 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6876 long currentTime, UserHandle user) throws PackageManagerException { 6877 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6878 PackageParser pp = new PackageParser(); 6879 pp.setSeparateProcesses(mSeparateProcesses); 6880 pp.setOnlyCoreApps(mOnlyCore); 6881 pp.setDisplayMetrics(mMetrics); 6882 6883 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6884 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6885 } 6886 6887 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6888 final PackageParser.Package pkg; 6889 try { 6890 pkg = pp.parsePackage(scanFile, parseFlags); 6891 } catch (PackageParserException e) { 6892 throw PackageManagerException.from(e); 6893 } finally { 6894 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6895 } 6896 6897 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6898 } 6899 6900 /** 6901 * Scans a package and returns the newly parsed package. 6902 * @throws PackageManagerException on a parse error. 6903 */ 6904 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6905 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6906 throws PackageManagerException { 6907 // If the package has children and this is the first dive in the function 6908 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6909 // packages (parent and children) would be successfully scanned before the 6910 // actual scan since scanning mutates internal state and we want to atomically 6911 // install the package and its children. 6912 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6913 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6914 scanFlags |= SCAN_CHECK_ONLY; 6915 } 6916 } else { 6917 scanFlags &= ~SCAN_CHECK_ONLY; 6918 } 6919 6920 // Scan the parent 6921 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6922 scanFlags, currentTime, user); 6923 6924 // Scan the children 6925 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6926 for (int i = 0; i < childCount; i++) { 6927 PackageParser.Package childPackage = pkg.childPackages.get(i); 6928 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6929 currentTime, user); 6930 } 6931 6932 6933 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6934 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6935 } 6936 6937 return scannedPkg; 6938 } 6939 6940 /** 6941 * Scans a package and returns the newly parsed package. 6942 * @throws PackageManagerException on a parse error. 6943 */ 6944 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6945 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6946 throws PackageManagerException { 6947 PackageSetting ps = null; 6948 PackageSetting updatedPkg; 6949 // reader 6950 synchronized (mPackages) { 6951 // Look to see if we already know about this package. 6952 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6953 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6954 // This package has been renamed to its original name. Let's 6955 // use that. 6956 ps = mSettings.peekPackageLPr(oldName); 6957 } 6958 // If there was no original package, see one for the real package name. 6959 if (ps == null) { 6960 ps = mSettings.peekPackageLPr(pkg.packageName); 6961 } 6962 // Check to see if this package could be hiding/updating a system 6963 // package. Must look for it either under the original or real 6964 // package name depending on our state. 6965 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6966 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6967 6968 // If this is a package we don't know about on the system partition, we 6969 // may need to remove disabled child packages on the system partition 6970 // or may need to not add child packages if the parent apk is updated 6971 // on the data partition and no longer defines this child package. 6972 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6973 // If this is a parent package for an updated system app and this system 6974 // app got an OTA update which no longer defines some of the child packages 6975 // we have to prune them from the disabled system packages. 6976 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6977 if (disabledPs != null) { 6978 final int scannedChildCount = (pkg.childPackages != null) 6979 ? pkg.childPackages.size() : 0; 6980 final int disabledChildCount = disabledPs.childPackageNames != null 6981 ? disabledPs.childPackageNames.size() : 0; 6982 for (int i = 0; i < disabledChildCount; i++) { 6983 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6984 boolean disabledPackageAvailable = false; 6985 for (int j = 0; j < scannedChildCount; j++) { 6986 PackageParser.Package childPkg = pkg.childPackages.get(j); 6987 if (childPkg.packageName.equals(disabledChildPackageName)) { 6988 disabledPackageAvailable = true; 6989 break; 6990 } 6991 } 6992 if (!disabledPackageAvailable) { 6993 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6994 } 6995 } 6996 } 6997 } 6998 } 6999 7000 boolean updatedPkgBetter = false; 7001 // First check if this is a system package that may involve an update 7002 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7003 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7004 // it needs to drop FLAG_PRIVILEGED. 7005 if (locationIsPrivileged(scanFile)) { 7006 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7007 } else { 7008 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7009 } 7010 7011 if (ps != null && !ps.codePath.equals(scanFile)) { 7012 // The path has changed from what was last scanned... check the 7013 // version of the new path against what we have stored to determine 7014 // what to do. 7015 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7016 if (pkg.mVersionCode <= ps.versionCode) { 7017 // The system package has been updated and the code path does not match 7018 // Ignore entry. Skip it. 7019 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7020 + " ignored: updated version " + ps.versionCode 7021 + " better than this " + pkg.mVersionCode); 7022 if (!updatedPkg.codePath.equals(scanFile)) { 7023 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7024 + ps.name + " changing from " + updatedPkg.codePathString 7025 + " to " + scanFile); 7026 updatedPkg.codePath = scanFile; 7027 updatedPkg.codePathString = scanFile.toString(); 7028 updatedPkg.resourcePath = scanFile; 7029 updatedPkg.resourcePathString = scanFile.toString(); 7030 } 7031 updatedPkg.pkg = pkg; 7032 updatedPkg.versionCode = pkg.mVersionCode; 7033 7034 // Update the disabled system child packages to point to the package too. 7035 final int childCount = updatedPkg.childPackageNames != null 7036 ? updatedPkg.childPackageNames.size() : 0; 7037 for (int i = 0; i < childCount; i++) { 7038 String childPackageName = updatedPkg.childPackageNames.get(i); 7039 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7040 childPackageName); 7041 if (updatedChildPkg != null) { 7042 updatedChildPkg.pkg = pkg; 7043 updatedChildPkg.versionCode = pkg.mVersionCode; 7044 } 7045 } 7046 7047 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7048 + scanFile + " ignored: updated version " + ps.versionCode 7049 + " better than this " + pkg.mVersionCode); 7050 } else { 7051 // The current app on the system partition is better than 7052 // what we have updated to on the data partition; switch 7053 // back to the system partition version. 7054 // At this point, its safely assumed that package installation for 7055 // apps in system partition will go through. If not there won't be a working 7056 // version of the app 7057 // writer 7058 synchronized (mPackages) { 7059 // Just remove the loaded entries from package lists. 7060 mPackages.remove(ps.name); 7061 } 7062 7063 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7064 + " reverting from " + ps.codePathString 7065 + ": new version " + pkg.mVersionCode 7066 + " better than installed " + ps.versionCode); 7067 7068 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7069 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7070 synchronized (mInstallLock) { 7071 args.cleanUpResourcesLI(); 7072 } 7073 synchronized (mPackages) { 7074 mSettings.enableSystemPackageLPw(ps.name); 7075 } 7076 updatedPkgBetter = true; 7077 } 7078 } 7079 } 7080 7081 if (updatedPkg != null) { 7082 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7083 // initially 7084 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7085 7086 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7087 // flag set initially 7088 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7089 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7090 } 7091 } 7092 7093 // Verify certificates against what was last scanned 7094 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7095 7096 /* 7097 * A new system app appeared, but we already had a non-system one of the 7098 * same name installed earlier. 7099 */ 7100 boolean shouldHideSystemApp = false; 7101 if (updatedPkg == null && ps != null 7102 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7103 /* 7104 * Check to make sure the signatures match first. If they don't, 7105 * wipe the installed application and its data. 7106 */ 7107 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7108 != PackageManager.SIGNATURE_MATCH) { 7109 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7110 + " signatures don't match existing userdata copy; removing"); 7111 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7112 "scanPackageInternalLI")) { 7113 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7114 } 7115 ps = null; 7116 } else { 7117 /* 7118 * If the newly-added system app is an older version than the 7119 * already installed version, hide it. It will be scanned later 7120 * and re-added like an update. 7121 */ 7122 if (pkg.mVersionCode <= ps.versionCode) { 7123 shouldHideSystemApp = true; 7124 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7125 + " but new version " + pkg.mVersionCode + " better than installed " 7126 + ps.versionCode + "; hiding system"); 7127 } else { 7128 /* 7129 * The newly found system app is a newer version that the 7130 * one previously installed. Simply remove the 7131 * already-installed application and replace it with our own 7132 * while keeping the application data. 7133 */ 7134 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7135 + " reverting from " + ps.codePathString + ": new version " 7136 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7137 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7138 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7139 synchronized (mInstallLock) { 7140 args.cleanUpResourcesLI(); 7141 } 7142 } 7143 } 7144 } 7145 7146 // The apk is forward locked (not public) if its code and resources 7147 // are kept in different files. (except for app in either system or 7148 // vendor path). 7149 // TODO grab this value from PackageSettings 7150 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7151 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7152 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7153 } 7154 } 7155 7156 // TODO: extend to support forward-locked splits 7157 String resourcePath = null; 7158 String baseResourcePath = null; 7159 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7160 if (ps != null && ps.resourcePathString != null) { 7161 resourcePath = ps.resourcePathString; 7162 baseResourcePath = ps.resourcePathString; 7163 } else { 7164 // Should not happen at all. Just log an error. 7165 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7166 } 7167 } else { 7168 resourcePath = pkg.codePath; 7169 baseResourcePath = pkg.baseCodePath; 7170 } 7171 7172 // Set application objects path explicitly. 7173 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7174 pkg.setApplicationInfoCodePath(pkg.codePath); 7175 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7176 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7177 pkg.setApplicationInfoResourcePath(resourcePath); 7178 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7179 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7180 7181 // Note that we invoke the following method only if we are about to unpack an application 7182 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7183 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7184 7185 /* 7186 * If the system app should be overridden by a previously installed 7187 * data, hide the system app now and let the /data/app scan pick it up 7188 * again. 7189 */ 7190 if (shouldHideSystemApp) { 7191 synchronized (mPackages) { 7192 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7193 } 7194 } 7195 7196 return scannedPkg; 7197 } 7198 7199 private static String fixProcessName(String defProcessName, 7200 String processName, int uid) { 7201 if (processName == null) { 7202 return defProcessName; 7203 } 7204 return processName; 7205 } 7206 7207 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7208 throws PackageManagerException { 7209 if (pkgSetting.signatures.mSignatures != null) { 7210 // Already existing package. Make sure signatures match 7211 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7212 == PackageManager.SIGNATURE_MATCH; 7213 if (!match) { 7214 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7215 == PackageManager.SIGNATURE_MATCH; 7216 } 7217 if (!match) { 7218 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7219 == PackageManager.SIGNATURE_MATCH; 7220 } 7221 if (!match) { 7222 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7223 + pkg.packageName + " signatures do not match the " 7224 + "previously installed version; ignoring!"); 7225 } 7226 } 7227 7228 // Check for shared user signatures 7229 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7230 // Already existing package. Make sure signatures match 7231 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7232 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7233 if (!match) { 7234 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7235 == PackageManager.SIGNATURE_MATCH; 7236 } 7237 if (!match) { 7238 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7239 == PackageManager.SIGNATURE_MATCH; 7240 } 7241 if (!match) { 7242 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7243 "Package " + pkg.packageName 7244 + " has no signatures that match those in shared user " 7245 + pkgSetting.sharedUser.name + "; ignoring!"); 7246 } 7247 } 7248 } 7249 7250 /** 7251 * Enforces that only the system UID or root's UID can call a method exposed 7252 * via Binder. 7253 * 7254 * @param message used as message if SecurityException is thrown 7255 * @throws SecurityException if the caller is not system or root 7256 */ 7257 private static final void enforceSystemOrRoot(String message) { 7258 final int uid = Binder.getCallingUid(); 7259 if (uid != Process.SYSTEM_UID && uid != 0) { 7260 throw new SecurityException(message); 7261 } 7262 } 7263 7264 @Override 7265 public void performFstrimIfNeeded() { 7266 enforceSystemOrRoot("Only the system can request fstrim"); 7267 7268 // Before everything else, see whether we need to fstrim. 7269 try { 7270 IMountService ms = PackageHelper.getMountService(); 7271 if (ms != null) { 7272 boolean doTrim = false; 7273 final long interval = android.provider.Settings.Global.getLong( 7274 mContext.getContentResolver(), 7275 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7276 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7277 if (interval > 0) { 7278 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7279 if (timeSinceLast > interval) { 7280 doTrim = true; 7281 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7282 + "; running immediately"); 7283 } 7284 } 7285 if (doTrim) { 7286 if (!isFirstBoot()) { 7287 try { 7288 ActivityManagerNative.getDefault().showBootMessage( 7289 mContext.getResources().getString( 7290 R.string.android_upgrading_fstrim), true); 7291 } catch (RemoteException e) { 7292 } 7293 } 7294 ms.runMaintenance(); 7295 } 7296 } else { 7297 Slog.e(TAG, "Mount service unavailable!"); 7298 } 7299 } catch (RemoteException e) { 7300 // Can't happen; MountService is local 7301 } 7302 } 7303 7304 @Override 7305 public void updatePackagesIfNeeded() { 7306 enforceSystemOrRoot("Only the system can request package update"); 7307 7308 // We need to re-extract after an OTA. 7309 boolean causeUpgrade = isUpgrade(); 7310 7311 // First boot or factory reset. 7312 // Note: we also handle devices that are upgrading to N right now as if it is their 7313 // first boot, as they do not have profile data. 7314 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7315 7316 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7317 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7318 7319 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7320 return; 7321 } 7322 7323 List<PackageParser.Package> pkgs; 7324 synchronized (mPackages) { 7325 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7326 } 7327 7328 final long startTime = System.nanoTime(); 7329 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7330 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7331 7332 final int elapsedTimeSeconds = 7333 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7334 7335 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7336 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7337 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7338 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7339 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7340 } 7341 7342 /** 7343 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7344 * containing statistics about the invocation. The array consists of three elements, 7345 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7346 * and {@code numberOfPackagesFailed}. 7347 */ 7348 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7349 String compilerFilter) { 7350 7351 int numberOfPackagesVisited = 0; 7352 int numberOfPackagesOptimized = 0; 7353 int numberOfPackagesSkipped = 0; 7354 int numberOfPackagesFailed = 0; 7355 final int numberOfPackagesToDexopt = pkgs.size(); 7356 7357 for (PackageParser.Package pkg : pkgs) { 7358 numberOfPackagesVisited++; 7359 7360 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7361 if (DEBUG_DEXOPT) { 7362 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7363 } 7364 numberOfPackagesSkipped++; 7365 continue; 7366 } 7367 7368 if (DEBUG_DEXOPT) { 7369 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7370 numberOfPackagesToDexopt + ": " + pkg.packageName); 7371 } 7372 7373 if (showDialog) { 7374 try { 7375 ActivityManagerNative.getDefault().showBootMessage( 7376 mContext.getResources().getString(R.string.android_upgrading_apk, 7377 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7378 } catch (RemoteException e) { 7379 } 7380 } 7381 7382 // If the OTA updates a system app which was previously preopted to a non-preopted state 7383 // the app might end up being verified at runtime. That's because by default the apps 7384 // are verify-profile but for preopted apps there's no profile. 7385 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7386 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7387 // filter (by default interpret-only). 7388 // Note that at this stage unused apps are already filtered. 7389 if (isSystemApp(pkg) && 7390 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7391 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7392 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7393 } 7394 7395 // checkProfiles is false to avoid merging profiles during boot which 7396 // might interfere with background compilation (b/28612421). 7397 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7398 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7399 // trade-off worth doing to save boot time work. 7400 int dexOptStatus = performDexOptTraced(pkg.packageName, 7401 false /* checkProfiles */, 7402 compilerFilter, 7403 false /* force */); 7404 switch (dexOptStatus) { 7405 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7406 numberOfPackagesOptimized++; 7407 break; 7408 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7409 numberOfPackagesSkipped++; 7410 break; 7411 case PackageDexOptimizer.DEX_OPT_FAILED: 7412 numberOfPackagesFailed++; 7413 break; 7414 default: 7415 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7416 break; 7417 } 7418 } 7419 7420 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7421 numberOfPackagesFailed }; 7422 } 7423 7424 @Override 7425 public void notifyPackageUse(String packageName, int reason) { 7426 synchronized (mPackages) { 7427 PackageParser.Package p = mPackages.get(packageName); 7428 if (p == null) { 7429 return; 7430 } 7431 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7432 } 7433 } 7434 7435 // TODO: this is not used nor needed. Delete it. 7436 @Override 7437 public boolean performDexOptIfNeeded(String packageName) { 7438 int dexOptStatus = performDexOptTraced(packageName, 7439 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7440 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7441 } 7442 7443 @Override 7444 public boolean performDexOpt(String packageName, 7445 boolean checkProfiles, int compileReason, boolean force) { 7446 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7447 getCompilerFilterForReason(compileReason), force); 7448 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7449 } 7450 7451 @Override 7452 public boolean performDexOptMode(String packageName, 7453 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7454 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7455 targetCompilerFilter, force); 7456 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7457 } 7458 7459 private int performDexOptTraced(String packageName, 7460 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7461 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7462 try { 7463 return performDexOptInternal(packageName, checkProfiles, 7464 targetCompilerFilter, force); 7465 } finally { 7466 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7467 } 7468 } 7469 7470 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7471 // if the package can now be considered up to date for the given filter. 7472 private int performDexOptInternal(String packageName, 7473 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7474 PackageParser.Package p; 7475 synchronized (mPackages) { 7476 p = mPackages.get(packageName); 7477 if (p == null) { 7478 // Package could not be found. Report failure. 7479 return PackageDexOptimizer.DEX_OPT_FAILED; 7480 } 7481 mPackageUsage.write(false); 7482 } 7483 long callingId = Binder.clearCallingIdentity(); 7484 try { 7485 synchronized (mInstallLock) { 7486 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7487 targetCompilerFilter, force); 7488 } 7489 } finally { 7490 Binder.restoreCallingIdentity(callingId); 7491 } 7492 } 7493 7494 public ArraySet<String> getOptimizablePackages() { 7495 ArraySet<String> pkgs = new ArraySet<String>(); 7496 synchronized (mPackages) { 7497 for (PackageParser.Package p : mPackages.values()) { 7498 if (PackageDexOptimizer.canOptimizePackage(p)) { 7499 pkgs.add(p.packageName); 7500 } 7501 } 7502 } 7503 return pkgs; 7504 } 7505 7506 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7507 boolean checkProfiles, String targetCompilerFilter, 7508 boolean force) { 7509 // Select the dex optimizer based on the force parameter. 7510 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7511 // allocate an object here. 7512 PackageDexOptimizer pdo = force 7513 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7514 : mPackageDexOptimizer; 7515 7516 // Optimize all dependencies first. Note: we ignore the return value and march on 7517 // on errors. 7518 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7519 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7520 if (!deps.isEmpty()) { 7521 for (PackageParser.Package depPackage : deps) { 7522 // TODO: Analyze and investigate if we (should) profile libraries. 7523 // Currently this will do a full compilation of the library by default. 7524 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7525 false /* checkProfiles */, 7526 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7527 } 7528 } 7529 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7530 targetCompilerFilter); 7531 } 7532 7533 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7534 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7535 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7536 Set<String> collectedNames = new HashSet<>(); 7537 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7538 7539 retValue.remove(p); 7540 7541 return retValue; 7542 } else { 7543 return Collections.emptyList(); 7544 } 7545 } 7546 7547 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7548 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7549 if (!collectedNames.contains(p.packageName)) { 7550 collectedNames.add(p.packageName); 7551 collected.add(p); 7552 7553 if (p.usesLibraries != null) { 7554 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7555 } 7556 if (p.usesOptionalLibraries != null) { 7557 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7558 collectedNames); 7559 } 7560 } 7561 } 7562 7563 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7564 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7565 for (String libName : libs) { 7566 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7567 if (libPkg != null) { 7568 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7569 } 7570 } 7571 } 7572 7573 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7574 synchronized (mPackages) { 7575 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7576 if (lib != null && lib.apk != null) { 7577 return mPackages.get(lib.apk); 7578 } 7579 } 7580 return null; 7581 } 7582 7583 public void shutdown() { 7584 mPackageUsage.write(true); 7585 } 7586 7587 @Override 7588 public void dumpProfiles(String packageName) { 7589 PackageParser.Package pkg; 7590 synchronized (mPackages) { 7591 pkg = mPackages.get(packageName); 7592 if (pkg == null) { 7593 throw new IllegalArgumentException("Unknown package: " + packageName); 7594 } 7595 } 7596 /* Only the shell, root, or the app user should be able to dump profiles. */ 7597 int callingUid = Binder.getCallingUid(); 7598 if (callingUid != Process.SHELL_UID && 7599 callingUid != Process.ROOT_UID && 7600 callingUid != pkg.applicationInfo.uid) { 7601 throw new SecurityException("dumpProfiles"); 7602 } 7603 7604 synchronized (mInstallLock) { 7605 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7606 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7607 try { 7608 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7609 String gid = Integer.toString(sharedGid); 7610 String codePaths = TextUtils.join(";", allCodePaths); 7611 mInstaller.dumpProfiles(gid, packageName, codePaths); 7612 } catch (InstallerException e) { 7613 Slog.w(TAG, "Failed to dump profiles", e); 7614 } 7615 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7616 } 7617 } 7618 7619 @Override 7620 public void forceDexOpt(String packageName) { 7621 enforceSystemOrRoot("forceDexOpt"); 7622 7623 PackageParser.Package pkg; 7624 synchronized (mPackages) { 7625 pkg = mPackages.get(packageName); 7626 if (pkg == null) { 7627 throw new IllegalArgumentException("Unknown package: " + packageName); 7628 } 7629 } 7630 7631 synchronized (mInstallLock) { 7632 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7633 7634 // Whoever is calling forceDexOpt wants a fully compiled package. 7635 // Don't use profiles since that may cause compilation to be skipped. 7636 final int res = performDexOptInternalWithDependenciesLI(pkg, 7637 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7638 true /* force */); 7639 7640 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7641 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7642 throw new IllegalStateException("Failed to dexopt: " + res); 7643 } 7644 } 7645 } 7646 7647 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7648 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7649 Slog.w(TAG, "Unable to update from " + oldPkg.name 7650 + " to " + newPkg.packageName 7651 + ": old package not in system partition"); 7652 return false; 7653 } else if (mPackages.get(oldPkg.name) != null) { 7654 Slog.w(TAG, "Unable to update from " + oldPkg.name 7655 + " to " + newPkg.packageName 7656 + ": old package still exists"); 7657 return false; 7658 } 7659 return true; 7660 } 7661 7662 void removeCodePathLI(File codePath) { 7663 if (codePath.isDirectory()) { 7664 try { 7665 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7666 } catch (InstallerException e) { 7667 Slog.w(TAG, "Failed to remove code path", e); 7668 } 7669 } else { 7670 codePath.delete(); 7671 } 7672 } 7673 7674 private int[] resolveUserIds(int userId) { 7675 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7676 } 7677 7678 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7679 if (pkg == null) { 7680 Slog.wtf(TAG, "Package was null!", new Throwable()); 7681 return; 7682 } 7683 clearAppDataLeafLIF(pkg, userId, flags); 7684 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7685 for (int i = 0; i < childCount; i++) { 7686 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7687 } 7688 } 7689 7690 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7691 final PackageSetting ps; 7692 synchronized (mPackages) { 7693 ps = mSettings.mPackages.get(pkg.packageName); 7694 } 7695 for (int realUserId : resolveUserIds(userId)) { 7696 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7697 try { 7698 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7699 ceDataInode); 7700 } catch (InstallerException e) { 7701 Slog.w(TAG, String.valueOf(e)); 7702 } 7703 } 7704 } 7705 7706 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7707 if (pkg == null) { 7708 Slog.wtf(TAG, "Package was null!", new Throwable()); 7709 return; 7710 } 7711 destroyAppDataLeafLIF(pkg, userId, flags); 7712 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7713 for (int i = 0; i < childCount; i++) { 7714 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7715 } 7716 } 7717 7718 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7719 final PackageSetting ps; 7720 synchronized (mPackages) { 7721 ps = mSettings.mPackages.get(pkg.packageName); 7722 } 7723 for (int realUserId : resolveUserIds(userId)) { 7724 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7725 try { 7726 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7727 ceDataInode); 7728 } catch (InstallerException e) { 7729 Slog.w(TAG, String.valueOf(e)); 7730 } 7731 } 7732 } 7733 7734 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7735 if (pkg == null) { 7736 Slog.wtf(TAG, "Package was null!", new Throwable()); 7737 return; 7738 } 7739 destroyAppProfilesLeafLIF(pkg); 7740 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7741 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7742 for (int i = 0; i < childCount; i++) { 7743 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7744 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7745 true /* removeBaseMarker */); 7746 } 7747 } 7748 7749 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7750 boolean removeBaseMarker) { 7751 if (pkg.isForwardLocked()) { 7752 return; 7753 } 7754 7755 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7756 try { 7757 path = PackageManagerServiceUtils.realpath(new File(path)); 7758 } catch (IOException e) { 7759 // TODO: Should we return early here ? 7760 Slog.w(TAG, "Failed to get canonical path", e); 7761 continue; 7762 } 7763 7764 final String useMarker = path.replace('/', '@'); 7765 for (int realUserId : resolveUserIds(userId)) { 7766 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7767 if (removeBaseMarker) { 7768 File foreignUseMark = new File(profileDir, useMarker); 7769 if (foreignUseMark.exists()) { 7770 if (!foreignUseMark.delete()) { 7771 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7772 + pkg.packageName); 7773 } 7774 } 7775 } 7776 7777 File[] markers = profileDir.listFiles(); 7778 if (markers != null) { 7779 final String searchString = "@" + pkg.packageName + "@"; 7780 // We also delete all markers that contain the package name we're 7781 // uninstalling. These are associated with secondary dex-files belonging 7782 // to the package. Reconstructing the path of these dex files is messy 7783 // in general. 7784 for (File marker : markers) { 7785 if (marker.getName().indexOf(searchString) > 0) { 7786 if (!marker.delete()) { 7787 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7788 + pkg.packageName); 7789 } 7790 } 7791 } 7792 } 7793 } 7794 } 7795 } 7796 7797 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7798 try { 7799 mInstaller.destroyAppProfiles(pkg.packageName); 7800 } catch (InstallerException e) { 7801 Slog.w(TAG, String.valueOf(e)); 7802 } 7803 } 7804 7805 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7806 if (pkg == null) { 7807 Slog.wtf(TAG, "Package was null!", new Throwable()); 7808 return; 7809 } 7810 clearAppProfilesLeafLIF(pkg); 7811 // We don't remove the base foreign use marker when clearing profiles because 7812 // we will rename it when the app is updated. Unlike the actual profile contents, 7813 // the foreign use marker is good across installs. 7814 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7815 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7816 for (int i = 0; i < childCount; i++) { 7817 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7818 } 7819 } 7820 7821 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7822 try { 7823 mInstaller.clearAppProfiles(pkg.packageName); 7824 } catch (InstallerException e) { 7825 Slog.w(TAG, String.valueOf(e)); 7826 } 7827 } 7828 7829 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7830 long lastUpdateTime) { 7831 // Set parent install/update time 7832 PackageSetting ps = (PackageSetting) pkg.mExtras; 7833 if (ps != null) { 7834 ps.firstInstallTime = firstInstallTime; 7835 ps.lastUpdateTime = lastUpdateTime; 7836 } 7837 // Set children install/update time 7838 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7839 for (int i = 0; i < childCount; i++) { 7840 PackageParser.Package childPkg = pkg.childPackages.get(i); 7841 ps = (PackageSetting) childPkg.mExtras; 7842 if (ps != null) { 7843 ps.firstInstallTime = firstInstallTime; 7844 ps.lastUpdateTime = lastUpdateTime; 7845 } 7846 } 7847 } 7848 7849 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7850 PackageParser.Package changingLib) { 7851 if (file.path != null) { 7852 usesLibraryFiles.add(file.path); 7853 return; 7854 } 7855 PackageParser.Package p = mPackages.get(file.apk); 7856 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7857 // If we are doing this while in the middle of updating a library apk, 7858 // then we need to make sure to use that new apk for determining the 7859 // dependencies here. (We haven't yet finished committing the new apk 7860 // to the package manager state.) 7861 if (p == null || p.packageName.equals(changingLib.packageName)) { 7862 p = changingLib; 7863 } 7864 } 7865 if (p != null) { 7866 usesLibraryFiles.addAll(p.getAllCodePaths()); 7867 } 7868 } 7869 7870 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7871 PackageParser.Package changingLib) throws PackageManagerException { 7872 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7873 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7874 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7875 for (int i=0; i<N; i++) { 7876 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7877 if (file == null) { 7878 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7879 "Package " + pkg.packageName + " requires unavailable shared library " 7880 + pkg.usesLibraries.get(i) + "; failing!"); 7881 } 7882 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7883 } 7884 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7885 for (int i=0; i<N; i++) { 7886 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7887 if (file == null) { 7888 Slog.w(TAG, "Package " + pkg.packageName 7889 + " desires unavailable shared library " 7890 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7891 } else { 7892 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7893 } 7894 } 7895 N = usesLibraryFiles.size(); 7896 if (N > 0) { 7897 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7898 } else { 7899 pkg.usesLibraryFiles = null; 7900 } 7901 } 7902 } 7903 7904 private static boolean hasString(List<String> list, List<String> which) { 7905 if (list == null) { 7906 return false; 7907 } 7908 for (int i=list.size()-1; i>=0; i--) { 7909 for (int j=which.size()-1; j>=0; j--) { 7910 if (which.get(j).equals(list.get(i))) { 7911 return true; 7912 } 7913 } 7914 } 7915 return false; 7916 } 7917 7918 private void updateAllSharedLibrariesLPw() { 7919 for (PackageParser.Package pkg : mPackages.values()) { 7920 try { 7921 updateSharedLibrariesLPw(pkg, null); 7922 } catch (PackageManagerException e) { 7923 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7924 } 7925 } 7926 } 7927 7928 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7929 PackageParser.Package changingPkg) { 7930 ArrayList<PackageParser.Package> res = null; 7931 for (PackageParser.Package pkg : mPackages.values()) { 7932 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7933 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7934 if (res == null) { 7935 res = new ArrayList<PackageParser.Package>(); 7936 } 7937 res.add(pkg); 7938 try { 7939 updateSharedLibrariesLPw(pkg, changingPkg); 7940 } catch (PackageManagerException e) { 7941 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7942 } 7943 } 7944 } 7945 return res; 7946 } 7947 7948 /** 7949 * Derive the value of the {@code cpuAbiOverride} based on the provided 7950 * value and an optional stored value from the package settings. 7951 */ 7952 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7953 String cpuAbiOverride = null; 7954 7955 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7956 cpuAbiOverride = null; 7957 } else if (abiOverride != null) { 7958 cpuAbiOverride = abiOverride; 7959 } else if (settings != null) { 7960 cpuAbiOverride = settings.cpuAbiOverrideString; 7961 } 7962 7963 return cpuAbiOverride; 7964 } 7965 7966 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7967 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7968 throws PackageManagerException { 7969 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7970 // If the package has children and this is the first dive in the function 7971 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7972 // whether all packages (parent and children) would be successfully scanned 7973 // before the actual scan since scanning mutates internal state and we want 7974 // to atomically install the package and its children. 7975 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7976 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7977 scanFlags |= SCAN_CHECK_ONLY; 7978 } 7979 } else { 7980 scanFlags &= ~SCAN_CHECK_ONLY; 7981 } 7982 7983 final PackageParser.Package scannedPkg; 7984 try { 7985 // Scan the parent 7986 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7987 // Scan the children 7988 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7989 for (int i = 0; i < childCount; i++) { 7990 PackageParser.Package childPkg = pkg.childPackages.get(i); 7991 scanPackageLI(childPkg, policyFlags, 7992 scanFlags, currentTime, user); 7993 } 7994 } finally { 7995 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7996 } 7997 7998 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7999 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8000 } 8001 8002 return scannedPkg; 8003 } 8004 8005 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8006 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8007 boolean success = false; 8008 try { 8009 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8010 currentTime, user); 8011 success = true; 8012 return res; 8013 } finally { 8014 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8015 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8016 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8017 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8018 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8019 } 8020 } 8021 } 8022 8023 /** 8024 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8025 */ 8026 private static boolean apkHasCode(String fileName) { 8027 StrictJarFile jarFile = null; 8028 try { 8029 jarFile = new StrictJarFile(fileName, 8030 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8031 return jarFile.findEntry("classes.dex") != null; 8032 } catch (IOException ignore) { 8033 } finally { 8034 try { 8035 if (jarFile != null) { 8036 jarFile.close(); 8037 } 8038 } catch (IOException ignore) {} 8039 } 8040 return false; 8041 } 8042 8043 /** 8044 * Enforces code policy for the package. This ensures that if an APK has 8045 * declared hasCode="true" in its manifest that the APK actually contains 8046 * code. 8047 * 8048 * @throws PackageManagerException If bytecode could not be found when it should exist 8049 */ 8050 private static void enforceCodePolicy(PackageParser.Package pkg) 8051 throws PackageManagerException { 8052 final boolean shouldHaveCode = 8053 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8054 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8055 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8056 "Package " + pkg.baseCodePath + " code is missing"); 8057 } 8058 8059 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8060 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8061 final boolean splitShouldHaveCode = 8062 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8063 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8064 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8065 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8066 } 8067 } 8068 } 8069 } 8070 8071 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8072 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8073 throws PackageManagerException { 8074 final File scanFile = new File(pkg.codePath); 8075 if (pkg.applicationInfo.getCodePath() == null || 8076 pkg.applicationInfo.getResourcePath() == null) { 8077 // Bail out. The resource and code paths haven't been set. 8078 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8079 "Code and resource paths haven't been set correctly"); 8080 } 8081 8082 // Apply policy 8083 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8084 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8085 if (pkg.applicationInfo.isDirectBootAware()) { 8086 // we're direct boot aware; set for all components 8087 for (PackageParser.Service s : pkg.services) { 8088 s.info.encryptionAware = s.info.directBootAware = true; 8089 } 8090 for (PackageParser.Provider p : pkg.providers) { 8091 p.info.encryptionAware = p.info.directBootAware = true; 8092 } 8093 for (PackageParser.Activity a : pkg.activities) { 8094 a.info.encryptionAware = a.info.directBootAware = true; 8095 } 8096 for (PackageParser.Activity r : pkg.receivers) { 8097 r.info.encryptionAware = r.info.directBootAware = true; 8098 } 8099 } 8100 } else { 8101 // Only allow system apps to be flagged as core apps. 8102 pkg.coreApp = false; 8103 // clear flags not applicable to regular apps 8104 pkg.applicationInfo.privateFlags &= 8105 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8106 pkg.applicationInfo.privateFlags &= 8107 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8108 } 8109 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8110 8111 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8112 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8113 } 8114 8115 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8116 enforceCodePolicy(pkg); 8117 } 8118 8119 if (mCustomResolverComponentName != null && 8120 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8121 setUpCustomResolverActivity(pkg); 8122 } 8123 8124 if (pkg.packageName.equals("android")) { 8125 synchronized (mPackages) { 8126 if (mAndroidApplication != null) { 8127 Slog.w(TAG, "*************************************************"); 8128 Slog.w(TAG, "Core android package being redefined. Skipping."); 8129 Slog.w(TAG, " file=" + scanFile); 8130 Slog.w(TAG, "*************************************************"); 8131 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8132 "Core android package being redefined. Skipping."); 8133 } 8134 8135 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8136 // Set up information for our fall-back user intent resolution activity. 8137 mPlatformPackage = pkg; 8138 pkg.mVersionCode = mSdkVersion; 8139 mAndroidApplication = pkg.applicationInfo; 8140 8141 if (!mResolverReplaced) { 8142 mResolveActivity.applicationInfo = mAndroidApplication; 8143 mResolveActivity.name = ResolverActivity.class.getName(); 8144 mResolveActivity.packageName = mAndroidApplication.packageName; 8145 mResolveActivity.processName = "system:ui"; 8146 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8147 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8148 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8149 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8150 mResolveActivity.exported = true; 8151 mResolveActivity.enabled = true; 8152 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8153 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8154 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8155 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8156 | ActivityInfo.CONFIG_ORIENTATION 8157 | ActivityInfo.CONFIG_KEYBOARD 8158 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8159 mResolveInfo.activityInfo = mResolveActivity; 8160 mResolveInfo.priority = 0; 8161 mResolveInfo.preferredOrder = 0; 8162 mResolveInfo.match = 0; 8163 mResolveComponentName = new ComponentName( 8164 mAndroidApplication.packageName, mResolveActivity.name); 8165 } 8166 } 8167 } 8168 } 8169 8170 if (DEBUG_PACKAGE_SCANNING) { 8171 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8172 Log.d(TAG, "Scanning package " + pkg.packageName); 8173 } 8174 8175 synchronized (mPackages) { 8176 if (mPackages.containsKey(pkg.packageName) 8177 || mSharedLibraries.containsKey(pkg.packageName)) { 8178 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8179 "Application package " + pkg.packageName 8180 + " already installed. Skipping duplicate."); 8181 } 8182 8183 // If we're only installing presumed-existing packages, require that the 8184 // scanned APK is both already known and at the path previously established 8185 // for it. Previously unknown packages we pick up normally, but if we have an 8186 // a priori expectation about this package's install presence, enforce it. 8187 // With a singular exception for new system packages. When an OTA contains 8188 // a new system package, we allow the codepath to change from a system location 8189 // to the user-installed location. If we don't allow this change, any newer, 8190 // user-installed version of the application will be ignored. 8191 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8192 if (mExpectingBetter.containsKey(pkg.packageName)) { 8193 logCriticalInfo(Log.WARN, 8194 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8195 } else { 8196 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8197 if (known != null) { 8198 if (DEBUG_PACKAGE_SCANNING) { 8199 Log.d(TAG, "Examining " + pkg.codePath 8200 + " and requiring known paths " + known.codePathString 8201 + " & " + known.resourcePathString); 8202 } 8203 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8204 || !pkg.applicationInfo.getResourcePath().equals( 8205 known.resourcePathString)) { 8206 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8207 "Application package " + pkg.packageName 8208 + " found at " + pkg.applicationInfo.getCodePath() 8209 + " but expected at " + known.codePathString 8210 + "; ignoring."); 8211 } 8212 } 8213 } 8214 } 8215 } 8216 8217 // Initialize package source and resource directories 8218 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8219 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8220 8221 SharedUserSetting suid = null; 8222 PackageSetting pkgSetting = null; 8223 8224 if (!isSystemApp(pkg)) { 8225 // Only system apps can use these features. 8226 pkg.mOriginalPackages = null; 8227 pkg.mRealPackage = null; 8228 pkg.mAdoptPermissions = null; 8229 } 8230 8231 // Getting the package setting may have a side-effect, so if we 8232 // are only checking if scan would succeed, stash a copy of the 8233 // old setting to restore at the end. 8234 PackageSetting nonMutatedPs = null; 8235 8236 // writer 8237 synchronized (mPackages) { 8238 if (pkg.mSharedUserId != null) { 8239 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8240 if (suid == null) { 8241 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8242 "Creating application package " + pkg.packageName 8243 + " for shared user failed"); 8244 } 8245 if (DEBUG_PACKAGE_SCANNING) { 8246 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8247 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8248 + "): packages=" + suid.packages); 8249 } 8250 } 8251 8252 // Check if we are renaming from an original package name. 8253 PackageSetting origPackage = null; 8254 String realName = null; 8255 if (pkg.mOriginalPackages != null) { 8256 // This package may need to be renamed to a previously 8257 // installed name. Let's check on that... 8258 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8259 if (pkg.mOriginalPackages.contains(renamed)) { 8260 // This package had originally been installed as the 8261 // original name, and we have already taken care of 8262 // transitioning to the new one. Just update the new 8263 // one to continue using the old name. 8264 realName = pkg.mRealPackage; 8265 if (!pkg.packageName.equals(renamed)) { 8266 // Callers into this function may have already taken 8267 // care of renaming the package; only do it here if 8268 // it is not already done. 8269 pkg.setPackageName(renamed); 8270 } 8271 8272 } else { 8273 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8274 if ((origPackage = mSettings.peekPackageLPr( 8275 pkg.mOriginalPackages.get(i))) != null) { 8276 // We do have the package already installed under its 8277 // original name... should we use it? 8278 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8279 // New package is not compatible with original. 8280 origPackage = null; 8281 continue; 8282 } else if (origPackage.sharedUser != null) { 8283 // Make sure uid is compatible between packages. 8284 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8285 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8286 + " to " + pkg.packageName + ": old uid " 8287 + origPackage.sharedUser.name 8288 + " differs from " + pkg.mSharedUserId); 8289 origPackage = null; 8290 continue; 8291 } 8292 // TODO: Add case when shared user id is added [b/28144775] 8293 } else { 8294 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8295 + pkg.packageName + " to old name " + origPackage.name); 8296 } 8297 break; 8298 } 8299 } 8300 } 8301 } 8302 8303 if (mTransferedPackages.contains(pkg.packageName)) { 8304 Slog.w(TAG, "Package " + pkg.packageName 8305 + " was transferred to another, but its .apk remains"); 8306 } 8307 8308 // See comments in nonMutatedPs declaration 8309 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8310 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8311 if (foundPs != null) { 8312 nonMutatedPs = new PackageSetting(foundPs); 8313 } 8314 } 8315 8316 // Just create the setting, don't add it yet. For already existing packages 8317 // the PkgSetting exists already and doesn't have to be created. 8318 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8319 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8320 pkg.applicationInfo.primaryCpuAbi, 8321 pkg.applicationInfo.secondaryCpuAbi, 8322 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8323 user, false); 8324 if (pkgSetting == null) { 8325 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8326 "Creating application package " + pkg.packageName + " failed"); 8327 } 8328 8329 if (pkgSetting.origPackage != null) { 8330 // If we are first transitioning from an original package, 8331 // fix up the new package's name now. We need to do this after 8332 // looking up the package under its new name, so getPackageLP 8333 // can take care of fiddling things correctly. 8334 pkg.setPackageName(origPackage.name); 8335 8336 // File a report about this. 8337 String msg = "New package " + pkgSetting.realName 8338 + " renamed to replace old package " + pkgSetting.name; 8339 reportSettingsProblem(Log.WARN, msg); 8340 8341 // Make a note of it. 8342 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8343 mTransferedPackages.add(origPackage.name); 8344 } 8345 8346 // No longer need to retain this. 8347 pkgSetting.origPackage = null; 8348 } 8349 8350 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8351 // Make a note of it. 8352 mTransferedPackages.add(pkg.packageName); 8353 } 8354 8355 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8356 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8357 } 8358 8359 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8360 // Check all shared libraries and map to their actual file path. 8361 // We only do this here for apps not on a system dir, because those 8362 // are the only ones that can fail an install due to this. We 8363 // will take care of the system apps by updating all of their 8364 // library paths after the scan is done. 8365 updateSharedLibrariesLPw(pkg, null); 8366 } 8367 8368 if (mFoundPolicyFile) { 8369 SELinuxMMAC.assignSeinfoValue(pkg); 8370 } 8371 8372 pkg.applicationInfo.uid = pkgSetting.appId; 8373 pkg.mExtras = pkgSetting; 8374 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8375 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8376 // We just determined the app is signed correctly, so bring 8377 // over the latest parsed certs. 8378 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8379 } else { 8380 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8381 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8382 "Package " + pkg.packageName + " upgrade keys do not match the " 8383 + "previously installed version"); 8384 } else { 8385 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8386 String msg = "System package " + pkg.packageName 8387 + " signature changed; retaining data."; 8388 reportSettingsProblem(Log.WARN, msg); 8389 } 8390 } 8391 } else { 8392 try { 8393 verifySignaturesLP(pkgSetting, pkg); 8394 // We just determined the app is signed correctly, so bring 8395 // over the latest parsed certs. 8396 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8397 } catch (PackageManagerException e) { 8398 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8399 throw e; 8400 } 8401 // The signature has changed, but this package is in the system 8402 // image... let's recover! 8403 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8404 // However... if this package is part of a shared user, but it 8405 // doesn't match the signature of the shared user, let's fail. 8406 // What this means is that you can't change the signatures 8407 // associated with an overall shared user, which doesn't seem all 8408 // that unreasonable. 8409 if (pkgSetting.sharedUser != null) { 8410 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8411 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8412 throw new PackageManagerException( 8413 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8414 "Signature mismatch for shared user: " 8415 + pkgSetting.sharedUser); 8416 } 8417 } 8418 // File a report about this. 8419 String msg = "System package " + pkg.packageName 8420 + " signature changed; retaining data."; 8421 reportSettingsProblem(Log.WARN, msg); 8422 } 8423 } 8424 // Verify that this new package doesn't have any content providers 8425 // that conflict with existing packages. Only do this if the 8426 // package isn't already installed, since we don't want to break 8427 // things that are installed. 8428 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8429 final int N = pkg.providers.size(); 8430 int i; 8431 for (i=0; i<N; i++) { 8432 PackageParser.Provider p = pkg.providers.get(i); 8433 if (p.info.authority != null) { 8434 String names[] = p.info.authority.split(";"); 8435 for (int j = 0; j < names.length; j++) { 8436 if (mProvidersByAuthority.containsKey(names[j])) { 8437 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8438 final String otherPackageName = 8439 ((other != null && other.getComponentName() != null) ? 8440 other.getComponentName().getPackageName() : "?"); 8441 throw new PackageManagerException( 8442 INSTALL_FAILED_CONFLICTING_PROVIDER, 8443 "Can't install because provider name " + names[j] 8444 + " (in package " + pkg.applicationInfo.packageName 8445 + ") is already used by " + otherPackageName); 8446 } 8447 } 8448 } 8449 } 8450 } 8451 8452 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8453 // This package wants to adopt ownership of permissions from 8454 // another package. 8455 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8456 final String origName = pkg.mAdoptPermissions.get(i); 8457 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8458 if (orig != null) { 8459 if (verifyPackageUpdateLPr(orig, pkg)) { 8460 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8461 + pkg.packageName); 8462 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8463 } 8464 } 8465 } 8466 } 8467 } 8468 8469 final String pkgName = pkg.packageName; 8470 8471 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8472 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8473 pkg.applicationInfo.processName = fixProcessName( 8474 pkg.applicationInfo.packageName, 8475 pkg.applicationInfo.processName, 8476 pkg.applicationInfo.uid); 8477 8478 if (pkg != mPlatformPackage) { 8479 // Get all of our default paths setup 8480 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8481 } 8482 8483 final String path = scanFile.getPath(); 8484 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8485 8486 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8487 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8488 8489 // Some system apps still use directory structure for native libraries 8490 // in which case we might end up not detecting abi solely based on apk 8491 // structure. Try to detect abi based on directory structure. 8492 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8493 pkg.applicationInfo.primaryCpuAbi == null) { 8494 setBundledAppAbisAndRoots(pkg, pkgSetting); 8495 setNativeLibraryPaths(pkg); 8496 } 8497 8498 } else { 8499 if ((scanFlags & SCAN_MOVE) != 0) { 8500 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8501 // but we already have this packages package info in the PackageSetting. We just 8502 // use that and derive the native library path based on the new codepath. 8503 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8504 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8505 } 8506 8507 // Set native library paths again. For moves, the path will be updated based on the 8508 // ABIs we've determined above. For non-moves, the path will be updated based on the 8509 // ABIs we determined during compilation, but the path will depend on the final 8510 // package path (after the rename away from the stage path). 8511 setNativeLibraryPaths(pkg); 8512 } 8513 8514 // This is a special case for the "system" package, where the ABI is 8515 // dictated by the zygote configuration (and init.rc). We should keep track 8516 // of this ABI so that we can deal with "normal" applications that run under 8517 // the same UID correctly. 8518 if (mPlatformPackage == pkg) { 8519 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8520 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8521 } 8522 8523 // If there's a mismatch between the abi-override in the package setting 8524 // and the abiOverride specified for the install. Warn about this because we 8525 // would've already compiled the app without taking the package setting into 8526 // account. 8527 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8528 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8529 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8530 " for package " + pkg.packageName); 8531 } 8532 } 8533 8534 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8535 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8536 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8537 8538 // Copy the derived override back to the parsed package, so that we can 8539 // update the package settings accordingly. 8540 pkg.cpuAbiOverride = cpuAbiOverride; 8541 8542 if (DEBUG_ABI_SELECTION) { 8543 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8544 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8545 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8546 } 8547 8548 // Push the derived path down into PackageSettings so we know what to 8549 // clean up at uninstall time. 8550 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8551 8552 if (DEBUG_ABI_SELECTION) { 8553 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8554 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8555 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8556 } 8557 8558 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8559 // We don't do this here during boot because we can do it all 8560 // at once after scanning all existing packages. 8561 // 8562 // We also do this *before* we perform dexopt on this package, so that 8563 // we can avoid redundant dexopts, and also to make sure we've got the 8564 // code and package path correct. 8565 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8566 pkg, true /* boot complete */); 8567 } 8568 8569 if (mFactoryTest && pkg.requestedPermissions.contains( 8570 android.Manifest.permission.FACTORY_TEST)) { 8571 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8572 } 8573 8574 ArrayList<PackageParser.Package> clientLibPkgs = null; 8575 8576 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8577 if (nonMutatedPs != null) { 8578 synchronized (mPackages) { 8579 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8580 } 8581 } 8582 return pkg; 8583 } 8584 8585 // Only privileged apps and updated privileged apps can add child packages. 8586 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8587 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8588 throw new PackageManagerException("Only privileged apps and updated " 8589 + "privileged apps can add child packages. Ignoring package " 8590 + pkg.packageName); 8591 } 8592 final int childCount = pkg.childPackages.size(); 8593 for (int i = 0; i < childCount; i++) { 8594 PackageParser.Package childPkg = pkg.childPackages.get(i); 8595 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8596 childPkg.packageName)) { 8597 throw new PackageManagerException("Cannot override a child package of " 8598 + "another disabled system app. Ignoring package " + pkg.packageName); 8599 } 8600 } 8601 } 8602 8603 // writer 8604 synchronized (mPackages) { 8605 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8606 // Only system apps can add new shared libraries. 8607 if (pkg.libraryNames != null) { 8608 for (int i=0; i<pkg.libraryNames.size(); i++) { 8609 String name = pkg.libraryNames.get(i); 8610 boolean allowed = false; 8611 if (pkg.isUpdatedSystemApp()) { 8612 // New library entries can only be added through the 8613 // system image. This is important to get rid of a lot 8614 // of nasty edge cases: for example if we allowed a non- 8615 // system update of the app to add a library, then uninstalling 8616 // the update would make the library go away, and assumptions 8617 // we made such as through app install filtering would now 8618 // have allowed apps on the device which aren't compatible 8619 // with it. Better to just have the restriction here, be 8620 // conservative, and create many fewer cases that can negatively 8621 // impact the user experience. 8622 final PackageSetting sysPs = mSettings 8623 .getDisabledSystemPkgLPr(pkg.packageName); 8624 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8625 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8626 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8627 allowed = true; 8628 break; 8629 } 8630 } 8631 } 8632 } else { 8633 allowed = true; 8634 } 8635 if (allowed) { 8636 if (!mSharedLibraries.containsKey(name)) { 8637 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8638 } else if (!name.equals(pkg.packageName)) { 8639 Slog.w(TAG, "Package " + pkg.packageName + " library " 8640 + name + " already exists; skipping"); 8641 } 8642 } else { 8643 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8644 + name + " that is not declared on system image; skipping"); 8645 } 8646 } 8647 if ((scanFlags & SCAN_BOOTING) == 0) { 8648 // If we are not booting, we need to update any applications 8649 // that are clients of our shared library. If we are booting, 8650 // this will all be done once the scan is complete. 8651 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8652 } 8653 } 8654 } 8655 } 8656 8657 if ((scanFlags & SCAN_BOOTING) != 0) { 8658 // No apps can run during boot scan, so they don't need to be frozen 8659 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8660 // Caller asked to not kill app, so it's probably not frozen 8661 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8662 // Caller asked us to ignore frozen check for some reason; they 8663 // probably didn't know the package name 8664 } else { 8665 // We're doing major surgery on this package, so it better be frozen 8666 // right now to keep it from launching 8667 checkPackageFrozen(pkgName); 8668 } 8669 8670 // Also need to kill any apps that are dependent on the library. 8671 if (clientLibPkgs != null) { 8672 for (int i=0; i<clientLibPkgs.size(); i++) { 8673 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8674 killApplication(clientPkg.applicationInfo.packageName, 8675 clientPkg.applicationInfo.uid, "update lib"); 8676 } 8677 } 8678 8679 // Make sure we're not adding any bogus keyset info 8680 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8681 ksms.assertScannedPackageValid(pkg); 8682 8683 // writer 8684 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8685 8686 boolean createIdmapFailed = false; 8687 synchronized (mPackages) { 8688 // We don't expect installation to fail beyond this point 8689 8690 if (pkgSetting.pkg != null) { 8691 // Note that |user| might be null during the initial boot scan. If a codePath 8692 // for an app has changed during a boot scan, it's due to an app update that's 8693 // part of the system partition and marker changes must be applied to all users. 8694 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8695 (user != null) ? user : UserHandle.ALL); 8696 } 8697 8698 // Add the new setting to mSettings 8699 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8700 // Add the new setting to mPackages 8701 mPackages.put(pkg.applicationInfo.packageName, pkg); 8702 // Make sure we don't accidentally delete its data. 8703 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8704 while (iter.hasNext()) { 8705 PackageCleanItem item = iter.next(); 8706 if (pkgName.equals(item.packageName)) { 8707 iter.remove(); 8708 } 8709 } 8710 8711 // Take care of first install / last update times. 8712 if (currentTime != 0) { 8713 if (pkgSetting.firstInstallTime == 0) { 8714 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8715 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8716 pkgSetting.lastUpdateTime = currentTime; 8717 } 8718 } else if (pkgSetting.firstInstallTime == 0) { 8719 // We need *something*. Take time time stamp of the file. 8720 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8721 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8722 if (scanFileTime != pkgSetting.timeStamp) { 8723 // A package on the system image has changed; consider this 8724 // to be an update. 8725 pkgSetting.lastUpdateTime = scanFileTime; 8726 } 8727 } 8728 8729 // Add the package's KeySets to the global KeySetManagerService 8730 ksms.addScannedPackageLPw(pkg); 8731 8732 int N = pkg.providers.size(); 8733 StringBuilder r = null; 8734 int i; 8735 for (i=0; i<N; i++) { 8736 PackageParser.Provider p = pkg.providers.get(i); 8737 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8738 p.info.processName, pkg.applicationInfo.uid); 8739 mProviders.addProvider(p); 8740 p.syncable = p.info.isSyncable; 8741 if (p.info.authority != null) { 8742 String names[] = p.info.authority.split(";"); 8743 p.info.authority = null; 8744 for (int j = 0; j < names.length; j++) { 8745 if (j == 1 && p.syncable) { 8746 // We only want the first authority for a provider to possibly be 8747 // syncable, so if we already added this provider using a different 8748 // authority clear the syncable flag. We copy the provider before 8749 // changing it because the mProviders object contains a reference 8750 // to a provider that we don't want to change. 8751 // Only do this for the second authority since the resulting provider 8752 // object can be the same for all future authorities for this provider. 8753 p = new PackageParser.Provider(p); 8754 p.syncable = false; 8755 } 8756 if (!mProvidersByAuthority.containsKey(names[j])) { 8757 mProvidersByAuthority.put(names[j], p); 8758 if (p.info.authority == null) { 8759 p.info.authority = names[j]; 8760 } else { 8761 p.info.authority = p.info.authority + ";" + names[j]; 8762 } 8763 if (DEBUG_PACKAGE_SCANNING) { 8764 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8765 Log.d(TAG, "Registered content provider: " + names[j] 8766 + ", className = " + p.info.name + ", isSyncable = " 8767 + p.info.isSyncable); 8768 } 8769 } else { 8770 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8771 Slog.w(TAG, "Skipping provider name " + names[j] + 8772 " (in package " + pkg.applicationInfo.packageName + 8773 "): name already used by " 8774 + ((other != null && other.getComponentName() != null) 8775 ? other.getComponentName().getPackageName() : "?")); 8776 } 8777 } 8778 } 8779 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8780 if (r == null) { 8781 r = new StringBuilder(256); 8782 } else { 8783 r.append(' '); 8784 } 8785 r.append(p.info.name); 8786 } 8787 } 8788 if (r != null) { 8789 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8790 } 8791 8792 N = pkg.services.size(); 8793 r = null; 8794 for (i=0; i<N; i++) { 8795 PackageParser.Service s = pkg.services.get(i); 8796 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8797 s.info.processName, pkg.applicationInfo.uid); 8798 mServices.addService(s); 8799 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8800 if (r == null) { 8801 r = new StringBuilder(256); 8802 } else { 8803 r.append(' '); 8804 } 8805 r.append(s.info.name); 8806 } 8807 } 8808 if (r != null) { 8809 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8810 } 8811 8812 N = pkg.receivers.size(); 8813 r = null; 8814 for (i=0; i<N; i++) { 8815 PackageParser.Activity a = pkg.receivers.get(i); 8816 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8817 a.info.processName, pkg.applicationInfo.uid); 8818 mReceivers.addActivity(a, "receiver"); 8819 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8820 if (r == null) { 8821 r = new StringBuilder(256); 8822 } else { 8823 r.append(' '); 8824 } 8825 r.append(a.info.name); 8826 } 8827 } 8828 if (r != null) { 8829 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8830 } 8831 8832 N = pkg.activities.size(); 8833 r = null; 8834 for (i=0; i<N; i++) { 8835 PackageParser.Activity a = pkg.activities.get(i); 8836 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8837 a.info.processName, pkg.applicationInfo.uid); 8838 mActivities.addActivity(a, "activity"); 8839 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8840 if (r == null) { 8841 r = new StringBuilder(256); 8842 } else { 8843 r.append(' '); 8844 } 8845 r.append(a.info.name); 8846 } 8847 } 8848 if (r != null) { 8849 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8850 } 8851 8852 N = pkg.permissionGroups.size(); 8853 r = null; 8854 for (i=0; i<N; i++) { 8855 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8856 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8857 if (cur == null) { 8858 mPermissionGroups.put(pg.info.name, pg); 8859 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8860 if (r == null) { 8861 r = new StringBuilder(256); 8862 } else { 8863 r.append(' '); 8864 } 8865 r.append(pg.info.name); 8866 } 8867 } else { 8868 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8869 + pg.info.packageName + " ignored: original from " 8870 + cur.info.packageName); 8871 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8872 if (r == null) { 8873 r = new StringBuilder(256); 8874 } else { 8875 r.append(' '); 8876 } 8877 r.append("DUP:"); 8878 r.append(pg.info.name); 8879 } 8880 } 8881 } 8882 if (r != null) { 8883 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8884 } 8885 8886 N = pkg.permissions.size(); 8887 r = null; 8888 for (i=0; i<N; i++) { 8889 PackageParser.Permission p = pkg.permissions.get(i); 8890 8891 // Assume by default that we did not install this permission into the system. 8892 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8893 8894 // Now that permission groups have a special meaning, we ignore permission 8895 // groups for legacy apps to prevent unexpected behavior. In particular, 8896 // permissions for one app being granted to someone just becase they happen 8897 // to be in a group defined by another app (before this had no implications). 8898 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8899 p.group = mPermissionGroups.get(p.info.group); 8900 // Warn for a permission in an unknown group. 8901 if (p.info.group != null && p.group == null) { 8902 Slog.w(TAG, "Permission " + p.info.name + " from package " 8903 + p.info.packageName + " in an unknown group " + p.info.group); 8904 } 8905 } 8906 8907 ArrayMap<String, BasePermission> permissionMap = 8908 p.tree ? mSettings.mPermissionTrees 8909 : mSettings.mPermissions; 8910 BasePermission bp = permissionMap.get(p.info.name); 8911 8912 // Allow system apps to redefine non-system permissions 8913 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8914 final boolean currentOwnerIsSystem = (bp.perm != null 8915 && isSystemApp(bp.perm.owner)); 8916 if (isSystemApp(p.owner)) { 8917 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8918 // It's a built-in permission and no owner, take ownership now 8919 bp.packageSetting = pkgSetting; 8920 bp.perm = p; 8921 bp.uid = pkg.applicationInfo.uid; 8922 bp.sourcePackage = p.info.packageName; 8923 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8924 } else if (!currentOwnerIsSystem) { 8925 String msg = "New decl " + p.owner + " of permission " 8926 + p.info.name + " is system; overriding " + bp.sourcePackage; 8927 reportSettingsProblem(Log.WARN, msg); 8928 bp = null; 8929 } 8930 } 8931 } 8932 8933 if (bp == null) { 8934 bp = new BasePermission(p.info.name, p.info.packageName, 8935 BasePermission.TYPE_NORMAL); 8936 permissionMap.put(p.info.name, bp); 8937 } 8938 8939 if (bp.perm == null) { 8940 if (bp.sourcePackage == null 8941 || bp.sourcePackage.equals(p.info.packageName)) { 8942 BasePermission tree = findPermissionTreeLP(p.info.name); 8943 if (tree == null 8944 || tree.sourcePackage.equals(p.info.packageName)) { 8945 bp.packageSetting = pkgSetting; 8946 bp.perm = p; 8947 bp.uid = pkg.applicationInfo.uid; 8948 bp.sourcePackage = p.info.packageName; 8949 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8950 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8951 if (r == null) { 8952 r = new StringBuilder(256); 8953 } else { 8954 r.append(' '); 8955 } 8956 r.append(p.info.name); 8957 } 8958 } else { 8959 Slog.w(TAG, "Permission " + p.info.name + " from package " 8960 + p.info.packageName + " ignored: base tree " 8961 + tree.name + " is from package " 8962 + tree.sourcePackage); 8963 } 8964 } else { 8965 Slog.w(TAG, "Permission " + p.info.name + " from package " 8966 + p.info.packageName + " ignored: original from " 8967 + bp.sourcePackage); 8968 } 8969 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8970 if (r == null) { 8971 r = new StringBuilder(256); 8972 } else { 8973 r.append(' '); 8974 } 8975 r.append("DUP:"); 8976 r.append(p.info.name); 8977 } 8978 if (bp.perm == p) { 8979 bp.protectionLevel = p.info.protectionLevel; 8980 } 8981 } 8982 8983 if (r != null) { 8984 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8985 } 8986 8987 N = pkg.instrumentation.size(); 8988 r = null; 8989 for (i=0; i<N; i++) { 8990 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8991 a.info.packageName = pkg.applicationInfo.packageName; 8992 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8993 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8994 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8995 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8996 a.info.dataDir = pkg.applicationInfo.dataDir; 8997 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8998 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8999 9000 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9001 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9002 mInstrumentation.put(a.getComponentName(), a); 9003 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 9004 if (r == null) { 9005 r = new StringBuilder(256); 9006 } else { 9007 r.append(' '); 9008 } 9009 r.append(a.info.name); 9010 } 9011 } 9012 if (r != null) { 9013 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9014 } 9015 9016 if (pkg.protectedBroadcasts != null) { 9017 N = pkg.protectedBroadcasts.size(); 9018 for (i=0; i<N; i++) { 9019 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9020 } 9021 } 9022 9023 pkgSetting.setTimeStamp(scanFileTime); 9024 9025 // Create idmap files for pairs of (packages, overlay packages). 9026 // Note: "android", ie framework-res.apk, is handled by native layers. 9027 if (pkg.mOverlayTarget != null) { 9028 // This is an overlay package. 9029 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9030 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9031 mOverlays.put(pkg.mOverlayTarget, 9032 new ArrayMap<String, PackageParser.Package>()); 9033 } 9034 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9035 map.put(pkg.packageName, pkg); 9036 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9037 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9038 createIdmapFailed = true; 9039 } 9040 } 9041 } else if (mOverlays.containsKey(pkg.packageName) && 9042 !pkg.packageName.equals("android")) { 9043 // This is a regular package, with one or more known overlay packages. 9044 createIdmapsForPackageLI(pkg); 9045 } 9046 } 9047 9048 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9049 9050 if (createIdmapFailed) { 9051 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9052 "scanPackageLI failed to createIdmap"); 9053 } 9054 return pkg; 9055 } 9056 9057 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9058 PackageParser.Package update, UserHandle user) { 9059 if (existing.applicationInfo == null || update.applicationInfo == null) { 9060 // This isn't due to an app installation. 9061 return; 9062 } 9063 9064 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9065 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9066 9067 // The codePath hasn't changed, so there's nothing for us to do. 9068 if (Objects.equals(oldCodePath, newCodePath)) { 9069 return; 9070 } 9071 9072 File canonicalNewCodePath; 9073 try { 9074 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9075 } catch (IOException e) { 9076 Slog.w(TAG, "Failed to get canonical path.", e); 9077 return; 9078 } 9079 9080 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9081 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9082 // that the last component of the path (i.e, the name) doesn't need canonicalization 9083 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9084 // but may change in the future. Hopefully this function won't exist at that point. 9085 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9086 oldCodePath.getName()); 9087 9088 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9089 // with "@". 9090 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9091 if (!oldMarkerPrefix.endsWith("@")) { 9092 oldMarkerPrefix += "@"; 9093 } 9094 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9095 if (!newMarkerPrefix.endsWith("@")) { 9096 newMarkerPrefix += "@"; 9097 } 9098 9099 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9100 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9101 for (String updatedPath : updatedPaths) { 9102 String updatedPathName = new File(updatedPath).getName(); 9103 markerSuffixes.add(updatedPathName.replace('/', '@')); 9104 } 9105 9106 for (int userId : resolveUserIds(user.getIdentifier())) { 9107 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9108 9109 for (String markerSuffix : markerSuffixes) { 9110 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9111 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9112 if (oldForeignUseMark.exists()) { 9113 try { 9114 Os.rename(oldForeignUseMark.getAbsolutePath(), 9115 newForeignUseMark.getAbsolutePath()); 9116 } catch (ErrnoException e) { 9117 Slog.w(TAG, "Failed to rename foreign use marker", e); 9118 oldForeignUseMark.delete(); 9119 } 9120 } 9121 } 9122 } 9123 } 9124 9125 /** 9126 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9127 * is derived purely on the basis of the contents of {@code scanFile} and 9128 * {@code cpuAbiOverride}. 9129 * 9130 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9131 */ 9132 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9133 String cpuAbiOverride, boolean extractLibs) 9134 throws PackageManagerException { 9135 // TODO: We can probably be smarter about this stuff. For installed apps, 9136 // we can calculate this information at install time once and for all. For 9137 // system apps, we can probably assume that this information doesn't change 9138 // after the first boot scan. As things stand, we do lots of unnecessary work. 9139 9140 // Give ourselves some initial paths; we'll come back for another 9141 // pass once we've determined ABI below. 9142 setNativeLibraryPaths(pkg); 9143 9144 // We would never need to extract libs for forward-locked and external packages, 9145 // since the container service will do it for us. We shouldn't attempt to 9146 // extract libs from system app when it was not updated. 9147 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9148 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9149 extractLibs = false; 9150 } 9151 9152 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9153 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9154 9155 NativeLibraryHelper.Handle handle = null; 9156 try { 9157 handle = NativeLibraryHelper.Handle.create(pkg); 9158 // TODO(multiArch): This can be null for apps that didn't go through the 9159 // usual installation process. We can calculate it again, like we 9160 // do during install time. 9161 // 9162 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9163 // unnecessary. 9164 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9165 9166 // Null out the abis so that they can be recalculated. 9167 pkg.applicationInfo.primaryCpuAbi = null; 9168 pkg.applicationInfo.secondaryCpuAbi = null; 9169 if (isMultiArch(pkg.applicationInfo)) { 9170 // Warn if we've set an abiOverride for multi-lib packages.. 9171 // By definition, we need to copy both 32 and 64 bit libraries for 9172 // such packages. 9173 if (pkg.cpuAbiOverride != null 9174 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9175 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9176 } 9177 9178 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9179 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9180 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9181 if (extractLibs) { 9182 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9183 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9184 useIsaSpecificSubdirs); 9185 } else { 9186 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9187 } 9188 } 9189 9190 maybeThrowExceptionForMultiArchCopy( 9191 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9192 9193 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9194 if (extractLibs) { 9195 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9196 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9197 useIsaSpecificSubdirs); 9198 } else { 9199 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9200 } 9201 } 9202 9203 maybeThrowExceptionForMultiArchCopy( 9204 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9205 9206 if (abi64 >= 0) { 9207 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9208 } 9209 9210 if (abi32 >= 0) { 9211 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9212 if (abi64 >= 0) { 9213 if (pkg.use32bitAbi) { 9214 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9215 pkg.applicationInfo.primaryCpuAbi = abi; 9216 } else { 9217 pkg.applicationInfo.secondaryCpuAbi = abi; 9218 } 9219 } else { 9220 pkg.applicationInfo.primaryCpuAbi = abi; 9221 } 9222 } 9223 9224 } else { 9225 String[] abiList = (cpuAbiOverride != null) ? 9226 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9227 9228 // Enable gross and lame hacks for apps that are built with old 9229 // SDK tools. We must scan their APKs for renderscript bitcode and 9230 // not launch them if it's present. Don't bother checking on devices 9231 // that don't have 64 bit support. 9232 boolean needsRenderScriptOverride = false; 9233 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9234 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9235 abiList = Build.SUPPORTED_32_BIT_ABIS; 9236 needsRenderScriptOverride = true; 9237 } 9238 9239 final int copyRet; 9240 if (extractLibs) { 9241 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9242 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9243 } else { 9244 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9245 } 9246 9247 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9248 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9249 "Error unpackaging native libs for app, errorCode=" + copyRet); 9250 } 9251 9252 if (copyRet >= 0) { 9253 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9254 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9255 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9256 } else if (needsRenderScriptOverride) { 9257 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9258 } 9259 } 9260 } catch (IOException ioe) { 9261 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9262 } finally { 9263 IoUtils.closeQuietly(handle); 9264 } 9265 9266 // Now that we've calculated the ABIs and determined if it's an internal app, 9267 // we will go ahead and populate the nativeLibraryPath. 9268 setNativeLibraryPaths(pkg); 9269 } 9270 9271 /** 9272 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9273 * i.e, so that all packages can be run inside a single process if required. 9274 * 9275 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9276 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9277 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9278 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9279 * updating a package that belongs to a shared user. 9280 * 9281 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9282 * adds unnecessary complexity. 9283 */ 9284 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9285 PackageParser.Package scannedPackage, boolean bootComplete) { 9286 String requiredInstructionSet = null; 9287 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9288 requiredInstructionSet = VMRuntime.getInstructionSet( 9289 scannedPackage.applicationInfo.primaryCpuAbi); 9290 } 9291 9292 PackageSetting requirer = null; 9293 for (PackageSetting ps : packagesForUser) { 9294 // If packagesForUser contains scannedPackage, we skip it. This will happen 9295 // when scannedPackage is an update of an existing package. Without this check, 9296 // we will never be able to change the ABI of any package belonging to a shared 9297 // user, even if it's compatible with other packages. 9298 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9299 if (ps.primaryCpuAbiString == null) { 9300 continue; 9301 } 9302 9303 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9304 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9305 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9306 // this but there's not much we can do. 9307 String errorMessage = "Instruction set mismatch, " 9308 + ((requirer == null) ? "[caller]" : requirer) 9309 + " requires " + requiredInstructionSet + " whereas " + ps 9310 + " requires " + instructionSet; 9311 Slog.w(TAG, errorMessage); 9312 } 9313 9314 if (requiredInstructionSet == null) { 9315 requiredInstructionSet = instructionSet; 9316 requirer = ps; 9317 } 9318 } 9319 } 9320 9321 if (requiredInstructionSet != null) { 9322 String adjustedAbi; 9323 if (requirer != null) { 9324 // requirer != null implies that either scannedPackage was null or that scannedPackage 9325 // did not require an ABI, in which case we have to adjust scannedPackage to match 9326 // the ABI of the set (which is the same as requirer's ABI) 9327 adjustedAbi = requirer.primaryCpuAbiString; 9328 if (scannedPackage != null) { 9329 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9330 } 9331 } else { 9332 // requirer == null implies that we're updating all ABIs in the set to 9333 // match scannedPackage. 9334 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9335 } 9336 9337 for (PackageSetting ps : packagesForUser) { 9338 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9339 if (ps.primaryCpuAbiString != null) { 9340 continue; 9341 } 9342 9343 ps.primaryCpuAbiString = adjustedAbi; 9344 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9345 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9346 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9347 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9348 + " (requirer=" 9349 + (requirer == null ? "null" : requirer.pkg.packageName) 9350 + ", scannedPackage=" 9351 + (scannedPackage != null ? scannedPackage.packageName : "null") 9352 + ")"); 9353 try { 9354 mInstaller.rmdex(ps.codePathString, 9355 getDexCodeInstructionSet(getPreferredInstructionSet())); 9356 } catch (InstallerException ignored) { 9357 } 9358 } 9359 } 9360 } 9361 } 9362 } 9363 9364 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9365 synchronized (mPackages) { 9366 mResolverReplaced = true; 9367 // Set up information for custom user intent resolution activity. 9368 mResolveActivity.applicationInfo = pkg.applicationInfo; 9369 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9370 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9371 mResolveActivity.processName = pkg.applicationInfo.packageName; 9372 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9373 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9374 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9375 mResolveActivity.theme = 0; 9376 mResolveActivity.exported = true; 9377 mResolveActivity.enabled = true; 9378 mResolveInfo.activityInfo = mResolveActivity; 9379 mResolveInfo.priority = 0; 9380 mResolveInfo.preferredOrder = 0; 9381 mResolveInfo.match = 0; 9382 mResolveComponentName = mCustomResolverComponentName; 9383 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9384 mResolveComponentName); 9385 } 9386 } 9387 9388 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9389 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9390 9391 // Set up information for ephemeral installer activity 9392 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9393 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9394 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9395 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9396 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9397 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9398 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9399 mEphemeralInstallerActivity.theme = 0; 9400 mEphemeralInstallerActivity.exported = true; 9401 mEphemeralInstallerActivity.enabled = true; 9402 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9403 mEphemeralInstallerInfo.priority = 0; 9404 mEphemeralInstallerInfo.preferredOrder = 0; 9405 mEphemeralInstallerInfo.match = 0; 9406 9407 if (DEBUG_EPHEMERAL) { 9408 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9409 } 9410 } 9411 9412 private static String calculateBundledApkRoot(final String codePathString) { 9413 final File codePath = new File(codePathString); 9414 final File codeRoot; 9415 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9416 codeRoot = Environment.getRootDirectory(); 9417 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9418 codeRoot = Environment.getOemDirectory(); 9419 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9420 codeRoot = Environment.getVendorDirectory(); 9421 } else { 9422 // Unrecognized code path; take its top real segment as the apk root: 9423 // e.g. /something/app/blah.apk => /something 9424 try { 9425 File f = codePath.getCanonicalFile(); 9426 File parent = f.getParentFile(); // non-null because codePath is a file 9427 File tmp; 9428 while ((tmp = parent.getParentFile()) != null) { 9429 f = parent; 9430 parent = tmp; 9431 } 9432 codeRoot = f; 9433 Slog.w(TAG, "Unrecognized code path " 9434 + codePath + " - using " + codeRoot); 9435 } catch (IOException e) { 9436 // Can't canonicalize the code path -- shenanigans? 9437 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9438 return Environment.getRootDirectory().getPath(); 9439 } 9440 } 9441 return codeRoot.getPath(); 9442 } 9443 9444 /** 9445 * Derive and set the location of native libraries for the given package, 9446 * which varies depending on where and how the package was installed. 9447 */ 9448 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9449 final ApplicationInfo info = pkg.applicationInfo; 9450 final String codePath = pkg.codePath; 9451 final File codeFile = new File(codePath); 9452 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9453 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9454 9455 info.nativeLibraryRootDir = null; 9456 info.nativeLibraryRootRequiresIsa = false; 9457 info.nativeLibraryDir = null; 9458 info.secondaryNativeLibraryDir = null; 9459 9460 if (isApkFile(codeFile)) { 9461 // Monolithic install 9462 if (bundledApp) { 9463 // If "/system/lib64/apkname" exists, assume that is the per-package 9464 // native library directory to use; otherwise use "/system/lib/apkname". 9465 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9466 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9467 getPrimaryInstructionSet(info)); 9468 9469 // This is a bundled system app so choose the path based on the ABI. 9470 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9471 // is just the default path. 9472 final String apkName = deriveCodePathName(codePath); 9473 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9474 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9475 apkName).getAbsolutePath(); 9476 9477 if (info.secondaryCpuAbi != null) { 9478 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9479 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9480 secondaryLibDir, apkName).getAbsolutePath(); 9481 } 9482 } else if (asecApp) { 9483 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9484 .getAbsolutePath(); 9485 } else { 9486 final String apkName = deriveCodePathName(codePath); 9487 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9488 .getAbsolutePath(); 9489 } 9490 9491 info.nativeLibraryRootRequiresIsa = false; 9492 info.nativeLibraryDir = info.nativeLibraryRootDir; 9493 } else { 9494 // Cluster install 9495 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9496 info.nativeLibraryRootRequiresIsa = true; 9497 9498 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9499 getPrimaryInstructionSet(info)).getAbsolutePath(); 9500 9501 if (info.secondaryCpuAbi != null) { 9502 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9503 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9504 } 9505 } 9506 } 9507 9508 /** 9509 * Calculate the abis and roots for a bundled app. These can uniquely 9510 * be determined from the contents of the system partition, i.e whether 9511 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9512 * of this information, and instead assume that the system was built 9513 * sensibly. 9514 */ 9515 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9516 PackageSetting pkgSetting) { 9517 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9518 9519 // If "/system/lib64/apkname" exists, assume that is the per-package 9520 // native library directory to use; otherwise use "/system/lib/apkname". 9521 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9522 setBundledAppAbi(pkg, apkRoot, apkName); 9523 // pkgSetting might be null during rescan following uninstall of updates 9524 // to a bundled app, so accommodate that possibility. The settings in 9525 // that case will be established later from the parsed package. 9526 // 9527 // If the settings aren't null, sync them up with what we've just derived. 9528 // note that apkRoot isn't stored in the package settings. 9529 if (pkgSetting != null) { 9530 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9531 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9532 } 9533 } 9534 9535 /** 9536 * Deduces the ABI of a bundled app and sets the relevant fields on the 9537 * parsed pkg object. 9538 * 9539 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9540 * under which system libraries are installed. 9541 * @param apkName the name of the installed package. 9542 */ 9543 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9544 final File codeFile = new File(pkg.codePath); 9545 9546 final boolean has64BitLibs; 9547 final boolean has32BitLibs; 9548 if (isApkFile(codeFile)) { 9549 // Monolithic install 9550 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9551 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9552 } else { 9553 // Cluster install 9554 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9555 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9556 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9557 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9558 has64BitLibs = (new File(rootDir, isa)).exists(); 9559 } else { 9560 has64BitLibs = false; 9561 } 9562 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9563 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9564 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9565 has32BitLibs = (new File(rootDir, isa)).exists(); 9566 } else { 9567 has32BitLibs = false; 9568 } 9569 } 9570 9571 if (has64BitLibs && !has32BitLibs) { 9572 // The package has 64 bit libs, but not 32 bit libs. Its primary 9573 // ABI should be 64 bit. We can safely assume here that the bundled 9574 // native libraries correspond to the most preferred ABI in the list. 9575 9576 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9577 pkg.applicationInfo.secondaryCpuAbi = null; 9578 } else if (has32BitLibs && !has64BitLibs) { 9579 // The package has 32 bit libs but not 64 bit libs. Its primary 9580 // ABI should be 32 bit. 9581 9582 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9583 pkg.applicationInfo.secondaryCpuAbi = null; 9584 } else if (has32BitLibs && has64BitLibs) { 9585 // The application has both 64 and 32 bit bundled libraries. We check 9586 // here that the app declares multiArch support, and warn if it doesn't. 9587 // 9588 // We will be lenient here and record both ABIs. The primary will be the 9589 // ABI that's higher on the list, i.e, a device that's configured to prefer 9590 // 64 bit apps will see a 64 bit primary ABI, 9591 9592 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9593 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9594 } 9595 9596 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9597 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9598 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9599 } else { 9600 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9601 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9602 } 9603 } else { 9604 pkg.applicationInfo.primaryCpuAbi = null; 9605 pkg.applicationInfo.secondaryCpuAbi = null; 9606 } 9607 } 9608 9609 private void killApplication(String pkgName, int appId, String reason) { 9610 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9611 } 9612 9613 private void killApplication(String pkgName, int appId, int userId, String reason) { 9614 // Request the ActivityManager to kill the process(only for existing packages) 9615 // so that we do not end up in a confused state while the user is still using the older 9616 // version of the application while the new one gets installed. 9617 final long token = Binder.clearCallingIdentity(); 9618 try { 9619 IActivityManager am = ActivityManagerNative.getDefault(); 9620 if (am != null) { 9621 try { 9622 am.killApplication(pkgName, appId, userId, reason); 9623 } catch (RemoteException e) { 9624 } 9625 } 9626 } finally { 9627 Binder.restoreCallingIdentity(token); 9628 } 9629 } 9630 9631 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9632 // Remove the parent package setting 9633 PackageSetting ps = (PackageSetting) pkg.mExtras; 9634 if (ps != null) { 9635 removePackageLI(ps, chatty); 9636 } 9637 // Remove the child package setting 9638 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9639 for (int i = 0; i < childCount; i++) { 9640 PackageParser.Package childPkg = pkg.childPackages.get(i); 9641 ps = (PackageSetting) childPkg.mExtras; 9642 if (ps != null) { 9643 removePackageLI(ps, chatty); 9644 } 9645 } 9646 } 9647 9648 void removePackageLI(PackageSetting ps, boolean chatty) { 9649 if (DEBUG_INSTALL) { 9650 if (chatty) 9651 Log.d(TAG, "Removing package " + ps.name); 9652 } 9653 9654 // writer 9655 synchronized (mPackages) { 9656 mPackages.remove(ps.name); 9657 final PackageParser.Package pkg = ps.pkg; 9658 if (pkg != null) { 9659 cleanPackageDataStructuresLILPw(pkg, chatty); 9660 } 9661 } 9662 } 9663 9664 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9665 if (DEBUG_INSTALL) { 9666 if (chatty) 9667 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9668 } 9669 9670 // writer 9671 synchronized (mPackages) { 9672 // Remove the parent package 9673 mPackages.remove(pkg.applicationInfo.packageName); 9674 cleanPackageDataStructuresLILPw(pkg, chatty); 9675 9676 // Remove the child packages 9677 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9678 for (int i = 0; i < childCount; i++) { 9679 PackageParser.Package childPkg = pkg.childPackages.get(i); 9680 mPackages.remove(childPkg.applicationInfo.packageName); 9681 cleanPackageDataStructuresLILPw(childPkg, chatty); 9682 } 9683 } 9684 } 9685 9686 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9687 int N = pkg.providers.size(); 9688 StringBuilder r = null; 9689 int i; 9690 for (i=0; i<N; i++) { 9691 PackageParser.Provider p = pkg.providers.get(i); 9692 mProviders.removeProvider(p); 9693 if (p.info.authority == null) { 9694 9695 /* There was another ContentProvider with this authority when 9696 * this app was installed so this authority is null, 9697 * Ignore it as we don't have to unregister the provider. 9698 */ 9699 continue; 9700 } 9701 String names[] = p.info.authority.split(";"); 9702 for (int j = 0; j < names.length; j++) { 9703 if (mProvidersByAuthority.get(names[j]) == p) { 9704 mProvidersByAuthority.remove(names[j]); 9705 if (DEBUG_REMOVE) { 9706 if (chatty) 9707 Log.d(TAG, "Unregistered content provider: " + names[j] 9708 + ", className = " + p.info.name + ", isSyncable = " 9709 + p.info.isSyncable); 9710 } 9711 } 9712 } 9713 if (DEBUG_REMOVE && chatty) { 9714 if (r == null) { 9715 r = new StringBuilder(256); 9716 } else { 9717 r.append(' '); 9718 } 9719 r.append(p.info.name); 9720 } 9721 } 9722 if (r != null) { 9723 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9724 } 9725 9726 N = pkg.services.size(); 9727 r = null; 9728 for (i=0; i<N; i++) { 9729 PackageParser.Service s = pkg.services.get(i); 9730 mServices.removeService(s); 9731 if (chatty) { 9732 if (r == null) { 9733 r = new StringBuilder(256); 9734 } else { 9735 r.append(' '); 9736 } 9737 r.append(s.info.name); 9738 } 9739 } 9740 if (r != null) { 9741 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9742 } 9743 9744 N = pkg.receivers.size(); 9745 r = null; 9746 for (i=0; i<N; i++) { 9747 PackageParser.Activity a = pkg.receivers.get(i); 9748 mReceivers.removeActivity(a, "receiver"); 9749 if (DEBUG_REMOVE && chatty) { 9750 if (r == null) { 9751 r = new StringBuilder(256); 9752 } else { 9753 r.append(' '); 9754 } 9755 r.append(a.info.name); 9756 } 9757 } 9758 if (r != null) { 9759 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9760 } 9761 9762 N = pkg.activities.size(); 9763 r = null; 9764 for (i=0; i<N; i++) { 9765 PackageParser.Activity a = pkg.activities.get(i); 9766 mActivities.removeActivity(a, "activity"); 9767 if (DEBUG_REMOVE && chatty) { 9768 if (r == null) { 9769 r = new StringBuilder(256); 9770 } else { 9771 r.append(' '); 9772 } 9773 r.append(a.info.name); 9774 } 9775 } 9776 if (r != null) { 9777 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9778 } 9779 9780 N = pkg.permissions.size(); 9781 r = null; 9782 for (i=0; i<N; i++) { 9783 PackageParser.Permission p = pkg.permissions.get(i); 9784 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9785 if (bp == null) { 9786 bp = mSettings.mPermissionTrees.get(p.info.name); 9787 } 9788 if (bp != null && bp.perm == p) { 9789 bp.perm = null; 9790 if (DEBUG_REMOVE && chatty) { 9791 if (r == null) { 9792 r = new StringBuilder(256); 9793 } else { 9794 r.append(' '); 9795 } 9796 r.append(p.info.name); 9797 } 9798 } 9799 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9800 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9801 if (appOpPkgs != null) { 9802 appOpPkgs.remove(pkg.packageName); 9803 } 9804 } 9805 } 9806 if (r != null) { 9807 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9808 } 9809 9810 N = pkg.requestedPermissions.size(); 9811 r = null; 9812 for (i=0; i<N; i++) { 9813 String perm = pkg.requestedPermissions.get(i); 9814 BasePermission bp = mSettings.mPermissions.get(perm); 9815 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9816 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9817 if (appOpPkgs != null) { 9818 appOpPkgs.remove(pkg.packageName); 9819 if (appOpPkgs.isEmpty()) { 9820 mAppOpPermissionPackages.remove(perm); 9821 } 9822 } 9823 } 9824 } 9825 if (r != null) { 9826 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9827 } 9828 9829 N = pkg.instrumentation.size(); 9830 r = null; 9831 for (i=0; i<N; i++) { 9832 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9833 mInstrumentation.remove(a.getComponentName()); 9834 if (DEBUG_REMOVE && chatty) { 9835 if (r == null) { 9836 r = new StringBuilder(256); 9837 } else { 9838 r.append(' '); 9839 } 9840 r.append(a.info.name); 9841 } 9842 } 9843 if (r != null) { 9844 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9845 } 9846 9847 r = null; 9848 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9849 // Only system apps can hold shared libraries. 9850 if (pkg.libraryNames != null) { 9851 for (i=0; i<pkg.libraryNames.size(); i++) { 9852 String name = pkg.libraryNames.get(i); 9853 SharedLibraryEntry cur = mSharedLibraries.get(name); 9854 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9855 mSharedLibraries.remove(name); 9856 if (DEBUG_REMOVE && chatty) { 9857 if (r == null) { 9858 r = new StringBuilder(256); 9859 } else { 9860 r.append(' '); 9861 } 9862 r.append(name); 9863 } 9864 } 9865 } 9866 } 9867 } 9868 if (r != null) { 9869 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9870 } 9871 } 9872 9873 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9874 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9875 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9876 return true; 9877 } 9878 } 9879 return false; 9880 } 9881 9882 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9883 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9884 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9885 9886 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9887 // Update the parent permissions 9888 updatePermissionsLPw(pkg.packageName, pkg, flags); 9889 // Update the child permissions 9890 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9891 for (int i = 0; i < childCount; i++) { 9892 PackageParser.Package childPkg = pkg.childPackages.get(i); 9893 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9894 } 9895 } 9896 9897 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9898 int flags) { 9899 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9900 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9901 } 9902 9903 private void updatePermissionsLPw(String changingPkg, 9904 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9905 // Make sure there are no dangling permission trees. 9906 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9907 while (it.hasNext()) { 9908 final BasePermission bp = it.next(); 9909 if (bp.packageSetting == null) { 9910 // We may not yet have parsed the package, so just see if 9911 // we still know about its settings. 9912 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9913 } 9914 if (bp.packageSetting == null) { 9915 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9916 + " from package " + bp.sourcePackage); 9917 it.remove(); 9918 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9919 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9920 Slog.i(TAG, "Removing old permission tree: " + bp.name 9921 + " from package " + bp.sourcePackage); 9922 flags |= UPDATE_PERMISSIONS_ALL; 9923 it.remove(); 9924 } 9925 } 9926 } 9927 9928 // Make sure all dynamic permissions have been assigned to a package, 9929 // and make sure there are no dangling permissions. 9930 it = mSettings.mPermissions.values().iterator(); 9931 while (it.hasNext()) { 9932 final BasePermission bp = it.next(); 9933 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9934 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9935 + bp.name + " pkg=" + bp.sourcePackage 9936 + " info=" + bp.pendingInfo); 9937 if (bp.packageSetting == null && bp.pendingInfo != null) { 9938 final BasePermission tree = findPermissionTreeLP(bp.name); 9939 if (tree != null && tree.perm != null) { 9940 bp.packageSetting = tree.packageSetting; 9941 bp.perm = new PackageParser.Permission(tree.perm.owner, 9942 new PermissionInfo(bp.pendingInfo)); 9943 bp.perm.info.packageName = tree.perm.info.packageName; 9944 bp.perm.info.name = bp.name; 9945 bp.uid = tree.uid; 9946 } 9947 } 9948 } 9949 if (bp.packageSetting == null) { 9950 // We may not yet have parsed the package, so just see if 9951 // we still know about its settings. 9952 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9953 } 9954 if (bp.packageSetting == null) { 9955 Slog.w(TAG, "Removing dangling permission: " + bp.name 9956 + " from package " + bp.sourcePackage); 9957 it.remove(); 9958 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9959 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9960 Slog.i(TAG, "Removing old permission: " + bp.name 9961 + " from package " + bp.sourcePackage); 9962 flags |= UPDATE_PERMISSIONS_ALL; 9963 it.remove(); 9964 } 9965 } 9966 } 9967 9968 // Now update the permissions for all packages, in particular 9969 // replace the granted permissions of the system packages. 9970 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9971 for (PackageParser.Package pkg : mPackages.values()) { 9972 if (pkg != pkgInfo) { 9973 // Only replace for packages on requested volume 9974 final String volumeUuid = getVolumeUuidForPackage(pkg); 9975 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9976 && Objects.equals(replaceVolumeUuid, volumeUuid); 9977 grantPermissionsLPw(pkg, replace, changingPkg); 9978 } 9979 } 9980 } 9981 9982 if (pkgInfo != null) { 9983 // Only replace for packages on requested volume 9984 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9985 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9986 && Objects.equals(replaceVolumeUuid, volumeUuid); 9987 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9988 } 9989 } 9990 9991 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9992 String packageOfInterest) { 9993 // IMPORTANT: There are two types of permissions: install and runtime. 9994 // Install time permissions are granted when the app is installed to 9995 // all device users and users added in the future. Runtime permissions 9996 // are granted at runtime explicitly to specific users. Normal and signature 9997 // protected permissions are install time permissions. Dangerous permissions 9998 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9999 // otherwise they are runtime permissions. This function does not manage 10000 // runtime permissions except for the case an app targeting Lollipop MR1 10001 // being upgraded to target a newer SDK, in which case dangerous permissions 10002 // are transformed from install time to runtime ones. 10003 10004 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10005 if (ps == null) { 10006 return; 10007 } 10008 10009 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10010 10011 PermissionsState permissionsState = ps.getPermissionsState(); 10012 PermissionsState origPermissions = permissionsState; 10013 10014 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10015 10016 boolean runtimePermissionsRevoked = false; 10017 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10018 10019 boolean changedInstallPermission = false; 10020 10021 if (replace) { 10022 ps.installPermissionsFixed = false; 10023 if (!ps.isSharedUser()) { 10024 origPermissions = new PermissionsState(permissionsState); 10025 permissionsState.reset(); 10026 } else { 10027 // We need to know only about runtime permission changes since the 10028 // calling code always writes the install permissions state but 10029 // the runtime ones are written only if changed. The only cases of 10030 // changed runtime permissions here are promotion of an install to 10031 // runtime and revocation of a runtime from a shared user. 10032 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10033 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10034 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10035 runtimePermissionsRevoked = true; 10036 } 10037 } 10038 } 10039 10040 permissionsState.setGlobalGids(mGlobalGids); 10041 10042 final int N = pkg.requestedPermissions.size(); 10043 for (int i=0; i<N; i++) { 10044 final String name = pkg.requestedPermissions.get(i); 10045 final BasePermission bp = mSettings.mPermissions.get(name); 10046 10047 if (DEBUG_INSTALL) { 10048 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10049 } 10050 10051 if (bp == null || bp.packageSetting == null) { 10052 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10053 Slog.w(TAG, "Unknown permission " + name 10054 + " in package " + pkg.packageName); 10055 } 10056 continue; 10057 } 10058 10059 final String perm = bp.name; 10060 boolean allowedSig = false; 10061 int grant = GRANT_DENIED; 10062 10063 // Keep track of app op permissions. 10064 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10065 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10066 if (pkgs == null) { 10067 pkgs = new ArraySet<>(); 10068 mAppOpPermissionPackages.put(bp.name, pkgs); 10069 } 10070 pkgs.add(pkg.packageName); 10071 } 10072 10073 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10074 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10075 >= Build.VERSION_CODES.M; 10076 switch (level) { 10077 case PermissionInfo.PROTECTION_NORMAL: { 10078 // For all apps normal permissions are install time ones. 10079 grant = GRANT_INSTALL; 10080 } break; 10081 10082 case PermissionInfo.PROTECTION_DANGEROUS: { 10083 // If a permission review is required for legacy apps we represent 10084 // their permissions as always granted runtime ones since we need 10085 // to keep the review required permission flag per user while an 10086 // install permission's state is shared across all users. 10087 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10088 // For legacy apps dangerous permissions are install time ones. 10089 grant = GRANT_INSTALL; 10090 } else if (origPermissions.hasInstallPermission(bp.name)) { 10091 // For legacy apps that became modern, install becomes runtime. 10092 grant = GRANT_UPGRADE; 10093 } else if (mPromoteSystemApps 10094 && isSystemApp(ps) 10095 && mExistingSystemPackages.contains(ps.name)) { 10096 // For legacy system apps, install becomes runtime. 10097 // We cannot check hasInstallPermission() for system apps since those 10098 // permissions were granted implicitly and not persisted pre-M. 10099 grant = GRANT_UPGRADE; 10100 } else { 10101 // For modern apps keep runtime permissions unchanged. 10102 grant = GRANT_RUNTIME; 10103 } 10104 } break; 10105 10106 case PermissionInfo.PROTECTION_SIGNATURE: { 10107 // For all apps signature permissions are install time ones. 10108 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10109 if (allowedSig) { 10110 grant = GRANT_INSTALL; 10111 } 10112 } break; 10113 } 10114 10115 if (DEBUG_INSTALL) { 10116 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10117 } 10118 10119 if (grant != GRANT_DENIED) { 10120 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10121 // If this is an existing, non-system package, then 10122 // we can't add any new permissions to it. 10123 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10124 // Except... if this is a permission that was added 10125 // to the platform (note: need to only do this when 10126 // updating the platform). 10127 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10128 grant = GRANT_DENIED; 10129 } 10130 } 10131 } 10132 10133 switch (grant) { 10134 case GRANT_INSTALL: { 10135 // Revoke this as runtime permission to handle the case of 10136 // a runtime permission being downgraded to an install one. 10137 // Also in permission review mode we keep dangerous permissions 10138 // for legacy apps 10139 for (int userId : UserManagerService.getInstance().getUserIds()) { 10140 if (origPermissions.getRuntimePermissionState( 10141 bp.name, userId) != null) { 10142 // Revoke the runtime permission and clear the flags. 10143 origPermissions.revokeRuntimePermission(bp, userId); 10144 origPermissions.updatePermissionFlags(bp, userId, 10145 PackageManager.MASK_PERMISSION_FLAGS, 0); 10146 // If we revoked a permission permission, we have to write. 10147 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10148 changedRuntimePermissionUserIds, userId); 10149 } 10150 } 10151 // Grant an install permission. 10152 if (permissionsState.grantInstallPermission(bp) != 10153 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10154 changedInstallPermission = true; 10155 } 10156 } break; 10157 10158 case GRANT_RUNTIME: { 10159 // Grant previously granted runtime permissions. 10160 for (int userId : UserManagerService.getInstance().getUserIds()) { 10161 PermissionState permissionState = origPermissions 10162 .getRuntimePermissionState(bp.name, userId); 10163 int flags = permissionState != null 10164 ? permissionState.getFlags() : 0; 10165 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10166 if (permissionsState.grantRuntimePermission(bp, userId) == 10167 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10168 // If we cannot put the permission as it was, we have to write. 10169 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10170 changedRuntimePermissionUserIds, userId); 10171 } 10172 // If the app supports runtime permissions no need for a review. 10173 if (Build.PERMISSIONS_REVIEW_REQUIRED 10174 && appSupportsRuntimePermissions 10175 && (flags & PackageManager 10176 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10177 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10178 // Since we changed the flags, we have to write. 10179 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10180 changedRuntimePermissionUserIds, userId); 10181 } 10182 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10183 && !appSupportsRuntimePermissions) { 10184 // For legacy apps that need a permission review, every new 10185 // runtime permission is granted but it is pending a review. 10186 // We also need to review only platform defined runtime 10187 // permissions as these are the only ones the platform knows 10188 // how to disable the API to simulate revocation as legacy 10189 // apps don't expect to run with revoked permissions. 10190 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10191 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10192 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10193 // We changed the flags, hence have to write. 10194 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10195 changedRuntimePermissionUserIds, userId); 10196 } 10197 } 10198 if (permissionsState.grantRuntimePermission(bp, userId) 10199 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10200 // We changed the permission, hence have to write. 10201 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10202 changedRuntimePermissionUserIds, userId); 10203 } 10204 } 10205 // Propagate the permission flags. 10206 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10207 } 10208 } break; 10209 10210 case GRANT_UPGRADE: { 10211 // Grant runtime permissions for a previously held install permission. 10212 PermissionState permissionState = origPermissions 10213 .getInstallPermissionState(bp.name); 10214 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10215 10216 if (origPermissions.revokeInstallPermission(bp) 10217 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10218 // We will be transferring the permission flags, so clear them. 10219 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10220 PackageManager.MASK_PERMISSION_FLAGS, 0); 10221 changedInstallPermission = true; 10222 } 10223 10224 // If the permission is not to be promoted to runtime we ignore it and 10225 // also its other flags as they are not applicable to install permissions. 10226 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10227 for (int userId : currentUserIds) { 10228 if (permissionsState.grantRuntimePermission(bp, userId) != 10229 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10230 // Transfer the permission flags. 10231 permissionsState.updatePermissionFlags(bp, userId, 10232 flags, flags); 10233 // If we granted the permission, we have to write. 10234 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10235 changedRuntimePermissionUserIds, userId); 10236 } 10237 } 10238 } 10239 } break; 10240 10241 default: { 10242 if (packageOfInterest == null 10243 || packageOfInterest.equals(pkg.packageName)) { 10244 Slog.w(TAG, "Not granting permission " + perm 10245 + " to package " + pkg.packageName 10246 + " because it was previously installed without"); 10247 } 10248 } break; 10249 } 10250 } else { 10251 if (permissionsState.revokeInstallPermission(bp) != 10252 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10253 // Also drop the permission flags. 10254 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10255 PackageManager.MASK_PERMISSION_FLAGS, 0); 10256 changedInstallPermission = true; 10257 Slog.i(TAG, "Un-granting permission " + perm 10258 + " from package " + pkg.packageName 10259 + " (protectionLevel=" + bp.protectionLevel 10260 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10261 + ")"); 10262 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10263 // Don't print warning for app op permissions, since it is fine for them 10264 // not to be granted, there is a UI for the user to decide. 10265 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10266 Slog.w(TAG, "Not granting permission " + perm 10267 + " to package " + pkg.packageName 10268 + " (protectionLevel=" + bp.protectionLevel 10269 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10270 + ")"); 10271 } 10272 } 10273 } 10274 } 10275 10276 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10277 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10278 // This is the first that we have heard about this package, so the 10279 // permissions we have now selected are fixed until explicitly 10280 // changed. 10281 ps.installPermissionsFixed = true; 10282 } 10283 10284 // Persist the runtime permissions state for users with changes. If permissions 10285 // were revoked because no app in the shared user declares them we have to 10286 // write synchronously to avoid losing runtime permissions state. 10287 for (int userId : changedRuntimePermissionUserIds) { 10288 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10289 } 10290 10291 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10292 } 10293 10294 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10295 boolean allowed = false; 10296 final int NP = PackageParser.NEW_PERMISSIONS.length; 10297 for (int ip=0; ip<NP; ip++) { 10298 final PackageParser.NewPermissionInfo npi 10299 = PackageParser.NEW_PERMISSIONS[ip]; 10300 if (npi.name.equals(perm) 10301 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10302 allowed = true; 10303 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10304 + pkg.packageName); 10305 break; 10306 } 10307 } 10308 return allowed; 10309 } 10310 10311 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10312 BasePermission bp, PermissionsState origPermissions) { 10313 boolean allowed; 10314 allowed = (compareSignatures( 10315 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10316 == PackageManager.SIGNATURE_MATCH) 10317 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10318 == PackageManager.SIGNATURE_MATCH); 10319 if (!allowed && (bp.protectionLevel 10320 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10321 if (isSystemApp(pkg)) { 10322 // For updated system applications, a system permission 10323 // is granted only if it had been defined by the original application. 10324 if (pkg.isUpdatedSystemApp()) { 10325 final PackageSetting sysPs = mSettings 10326 .getDisabledSystemPkgLPr(pkg.packageName); 10327 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10328 // If the original was granted this permission, we take 10329 // that grant decision as read and propagate it to the 10330 // update. 10331 if (sysPs.isPrivileged()) { 10332 allowed = true; 10333 } 10334 } else { 10335 // The system apk may have been updated with an older 10336 // version of the one on the data partition, but which 10337 // granted a new system permission that it didn't have 10338 // before. In this case we do want to allow the app to 10339 // now get the new permission if the ancestral apk is 10340 // privileged to get it. 10341 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10342 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10343 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10344 allowed = true; 10345 break; 10346 } 10347 } 10348 } 10349 // Also if a privileged parent package on the system image or any of 10350 // its children requested a privileged permission, the updated child 10351 // packages can also get the permission. 10352 if (pkg.parentPackage != null) { 10353 final PackageSetting disabledSysParentPs = mSettings 10354 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10355 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10356 && disabledSysParentPs.isPrivileged()) { 10357 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10358 allowed = true; 10359 } else if (disabledSysParentPs.pkg.childPackages != null) { 10360 final int count = disabledSysParentPs.pkg.childPackages.size(); 10361 for (int i = 0; i < count; i++) { 10362 PackageParser.Package disabledSysChildPkg = 10363 disabledSysParentPs.pkg.childPackages.get(i); 10364 if (isPackageRequestingPermission(disabledSysChildPkg, 10365 perm)) { 10366 allowed = true; 10367 break; 10368 } 10369 } 10370 } 10371 } 10372 } 10373 } 10374 } else { 10375 allowed = isPrivilegedApp(pkg); 10376 } 10377 } 10378 } 10379 if (!allowed) { 10380 if (!allowed && (bp.protectionLevel 10381 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10382 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10383 // If this was a previously normal/dangerous permission that got moved 10384 // to a system permission as part of the runtime permission redesign, then 10385 // we still want to blindly grant it to old apps. 10386 allowed = true; 10387 } 10388 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10389 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10390 // If this permission is to be granted to the system installer and 10391 // this app is an installer, then it gets the permission. 10392 allowed = true; 10393 } 10394 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10395 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10396 // If this permission is to be granted to the system verifier and 10397 // this app is a verifier, then it gets the permission. 10398 allowed = true; 10399 } 10400 if (!allowed && (bp.protectionLevel 10401 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10402 && isSystemApp(pkg)) { 10403 // Any pre-installed system app is allowed to get this permission. 10404 allowed = true; 10405 } 10406 if (!allowed && (bp.protectionLevel 10407 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10408 // For development permissions, a development permission 10409 // is granted only if it was already granted. 10410 allowed = origPermissions.hasInstallPermission(perm); 10411 } 10412 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10413 && pkg.packageName.equals(mSetupWizardPackage)) { 10414 // If this permission is to be granted to the system setup wizard and 10415 // this app is a setup wizard, then it gets the permission. 10416 allowed = true; 10417 } 10418 } 10419 return allowed; 10420 } 10421 10422 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10423 final int permCount = pkg.requestedPermissions.size(); 10424 for (int j = 0; j < permCount; j++) { 10425 String requestedPermission = pkg.requestedPermissions.get(j); 10426 if (permission.equals(requestedPermission)) { 10427 return true; 10428 } 10429 } 10430 return false; 10431 } 10432 10433 final class ActivityIntentResolver 10434 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10435 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10436 boolean defaultOnly, int userId) { 10437 if (!sUserManager.exists(userId)) return null; 10438 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10439 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10440 } 10441 10442 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10443 int userId) { 10444 if (!sUserManager.exists(userId)) return null; 10445 mFlags = flags; 10446 return super.queryIntent(intent, resolvedType, 10447 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10448 } 10449 10450 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10451 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10452 if (!sUserManager.exists(userId)) return null; 10453 if (packageActivities == null) { 10454 return null; 10455 } 10456 mFlags = flags; 10457 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10458 final int N = packageActivities.size(); 10459 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10460 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10461 10462 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10463 for (int i = 0; i < N; ++i) { 10464 intentFilters = packageActivities.get(i).intents; 10465 if (intentFilters != null && intentFilters.size() > 0) { 10466 PackageParser.ActivityIntentInfo[] array = 10467 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10468 intentFilters.toArray(array); 10469 listCut.add(array); 10470 } 10471 } 10472 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10473 } 10474 10475 /** 10476 * Finds a privileged activity that matches the specified activity names. 10477 */ 10478 private PackageParser.Activity findMatchingActivity( 10479 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10480 for (PackageParser.Activity sysActivity : activityList) { 10481 if (sysActivity.info.name.equals(activityInfo.name)) { 10482 return sysActivity; 10483 } 10484 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10485 return sysActivity; 10486 } 10487 if (sysActivity.info.targetActivity != null) { 10488 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10489 return sysActivity; 10490 } 10491 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10492 return sysActivity; 10493 } 10494 } 10495 } 10496 return null; 10497 } 10498 10499 public class IterGenerator<E> { 10500 public Iterator<E> generate(ActivityIntentInfo info) { 10501 return null; 10502 } 10503 } 10504 10505 public class ActionIterGenerator extends IterGenerator<String> { 10506 @Override 10507 public Iterator<String> generate(ActivityIntentInfo info) { 10508 return info.actionsIterator(); 10509 } 10510 } 10511 10512 public class CategoriesIterGenerator extends IterGenerator<String> { 10513 @Override 10514 public Iterator<String> generate(ActivityIntentInfo info) { 10515 return info.categoriesIterator(); 10516 } 10517 } 10518 10519 public class SchemesIterGenerator extends IterGenerator<String> { 10520 @Override 10521 public Iterator<String> generate(ActivityIntentInfo info) { 10522 return info.schemesIterator(); 10523 } 10524 } 10525 10526 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10527 @Override 10528 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10529 return info.authoritiesIterator(); 10530 } 10531 } 10532 10533 /** 10534 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10535 * MODIFIED. Do not pass in a list that should not be changed. 10536 */ 10537 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10538 IterGenerator<T> generator, Iterator<T> searchIterator) { 10539 // loop through the set of actions; every one must be found in the intent filter 10540 while (searchIterator.hasNext()) { 10541 // we must have at least one filter in the list to consider a match 10542 if (intentList.size() == 0) { 10543 break; 10544 } 10545 10546 final T searchAction = searchIterator.next(); 10547 10548 // loop through the set of intent filters 10549 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10550 while (intentIter.hasNext()) { 10551 final ActivityIntentInfo intentInfo = intentIter.next(); 10552 boolean selectionFound = false; 10553 10554 // loop through the intent filter's selection criteria; at least one 10555 // of them must match the searched criteria 10556 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10557 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10558 final T intentSelection = intentSelectionIter.next(); 10559 if (intentSelection != null && intentSelection.equals(searchAction)) { 10560 selectionFound = true; 10561 break; 10562 } 10563 } 10564 10565 // the selection criteria wasn't found in this filter's set; this filter 10566 // is not a potential match 10567 if (!selectionFound) { 10568 intentIter.remove(); 10569 } 10570 } 10571 } 10572 } 10573 10574 private boolean isProtectedAction(ActivityIntentInfo filter) { 10575 final Iterator<String> actionsIter = filter.actionsIterator(); 10576 while (actionsIter != null && actionsIter.hasNext()) { 10577 final String filterAction = actionsIter.next(); 10578 if (PROTECTED_ACTIONS.contains(filterAction)) { 10579 return true; 10580 } 10581 } 10582 return false; 10583 } 10584 10585 /** 10586 * Adjusts the priority of the given intent filter according to policy. 10587 * <p> 10588 * <ul> 10589 * <li>The priority for non privileged applications is capped to '0'</li> 10590 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10591 * <li>The priority for unbundled updates to privileged applications is capped to the 10592 * priority defined on the system partition</li> 10593 * </ul> 10594 * <p> 10595 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10596 * allowed to obtain any priority on any action. 10597 */ 10598 private void adjustPriority( 10599 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10600 // nothing to do; priority is fine as-is 10601 if (intent.getPriority() <= 0) { 10602 return; 10603 } 10604 10605 final ActivityInfo activityInfo = intent.activity.info; 10606 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10607 10608 final boolean privilegedApp = 10609 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10610 if (!privilegedApp) { 10611 // non-privileged applications can never define a priority >0 10612 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10613 + " package: " + applicationInfo.packageName 10614 + " activity: " + intent.activity.className 10615 + " origPrio: " + intent.getPriority()); 10616 intent.setPriority(0); 10617 return; 10618 } 10619 10620 if (systemActivities == null) { 10621 // the system package is not disabled; we're parsing the system partition 10622 if (isProtectedAction(intent)) { 10623 if (mDeferProtectedFilters) { 10624 // We can't deal with these just yet. No component should ever obtain a 10625 // >0 priority for a protected actions, with ONE exception -- the setup 10626 // wizard. The setup wizard, however, cannot be known until we're able to 10627 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10628 // until all intent filters have been processed. Chicken, meet egg. 10629 // Let the filter temporarily have a high priority and rectify the 10630 // priorities after all system packages have been scanned. 10631 mProtectedFilters.add(intent); 10632 if (DEBUG_FILTERS) { 10633 Slog.i(TAG, "Protected action; save for later;" 10634 + " package: " + applicationInfo.packageName 10635 + " activity: " + intent.activity.className 10636 + " origPrio: " + intent.getPriority()); 10637 } 10638 return; 10639 } else { 10640 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10641 Slog.i(TAG, "No setup wizard;" 10642 + " All protected intents capped to priority 0"); 10643 } 10644 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10645 if (DEBUG_FILTERS) { 10646 Slog.i(TAG, "Found setup wizard;" 10647 + " allow priority " + intent.getPriority() + ";" 10648 + " package: " + intent.activity.info.packageName 10649 + " activity: " + intent.activity.className 10650 + " priority: " + intent.getPriority()); 10651 } 10652 // setup wizard gets whatever it wants 10653 return; 10654 } 10655 Slog.w(TAG, "Protected action; cap priority to 0;" 10656 + " package: " + intent.activity.info.packageName 10657 + " activity: " + intent.activity.className 10658 + " origPrio: " + intent.getPriority()); 10659 intent.setPriority(0); 10660 return; 10661 } 10662 } 10663 // privileged apps on the system image get whatever priority they request 10664 return; 10665 } 10666 10667 // privileged app unbundled update ... try to find the same activity 10668 final PackageParser.Activity foundActivity = 10669 findMatchingActivity(systemActivities, activityInfo); 10670 if (foundActivity == null) { 10671 // this is a new activity; it cannot obtain >0 priority 10672 if (DEBUG_FILTERS) { 10673 Slog.i(TAG, "New activity; cap priority to 0;" 10674 + " package: " + applicationInfo.packageName 10675 + " activity: " + intent.activity.className 10676 + " origPrio: " + intent.getPriority()); 10677 } 10678 intent.setPriority(0); 10679 return; 10680 } 10681 10682 // found activity, now check for filter equivalence 10683 10684 // a shallow copy is enough; we modify the list, not its contents 10685 final List<ActivityIntentInfo> intentListCopy = 10686 new ArrayList<>(foundActivity.intents); 10687 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10688 10689 // find matching action subsets 10690 final Iterator<String> actionsIterator = intent.actionsIterator(); 10691 if (actionsIterator != null) { 10692 getIntentListSubset( 10693 intentListCopy, new ActionIterGenerator(), actionsIterator); 10694 if (intentListCopy.size() == 0) { 10695 // no more intents to match; we're not equivalent 10696 if (DEBUG_FILTERS) { 10697 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10698 + " package: " + applicationInfo.packageName 10699 + " activity: " + intent.activity.className 10700 + " origPrio: " + intent.getPriority()); 10701 } 10702 intent.setPriority(0); 10703 return; 10704 } 10705 } 10706 10707 // find matching category subsets 10708 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10709 if (categoriesIterator != null) { 10710 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10711 categoriesIterator); 10712 if (intentListCopy.size() == 0) { 10713 // no more intents to match; we're not equivalent 10714 if (DEBUG_FILTERS) { 10715 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10716 + " package: " + applicationInfo.packageName 10717 + " activity: " + intent.activity.className 10718 + " origPrio: " + intent.getPriority()); 10719 } 10720 intent.setPriority(0); 10721 return; 10722 } 10723 } 10724 10725 // find matching schemes subsets 10726 final Iterator<String> schemesIterator = intent.schemesIterator(); 10727 if (schemesIterator != null) { 10728 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10729 schemesIterator); 10730 if (intentListCopy.size() == 0) { 10731 // no more intents to match; we're not equivalent 10732 if (DEBUG_FILTERS) { 10733 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10734 + " package: " + applicationInfo.packageName 10735 + " activity: " + intent.activity.className 10736 + " origPrio: " + intent.getPriority()); 10737 } 10738 intent.setPriority(0); 10739 return; 10740 } 10741 } 10742 10743 // find matching authorities subsets 10744 final Iterator<IntentFilter.AuthorityEntry> 10745 authoritiesIterator = intent.authoritiesIterator(); 10746 if (authoritiesIterator != null) { 10747 getIntentListSubset(intentListCopy, 10748 new AuthoritiesIterGenerator(), 10749 authoritiesIterator); 10750 if (intentListCopy.size() == 0) { 10751 // no more intents to match; we're not equivalent 10752 if (DEBUG_FILTERS) { 10753 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10754 + " package: " + applicationInfo.packageName 10755 + " activity: " + intent.activity.className 10756 + " origPrio: " + intent.getPriority()); 10757 } 10758 intent.setPriority(0); 10759 return; 10760 } 10761 } 10762 10763 // we found matching filter(s); app gets the max priority of all intents 10764 int cappedPriority = 0; 10765 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10766 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10767 } 10768 if (intent.getPriority() > cappedPriority) { 10769 if (DEBUG_FILTERS) { 10770 Slog.i(TAG, "Found matching filter(s);" 10771 + " cap priority to " + cappedPriority + ";" 10772 + " package: " + applicationInfo.packageName 10773 + " activity: " + intent.activity.className 10774 + " origPrio: " + intent.getPriority()); 10775 } 10776 intent.setPriority(cappedPriority); 10777 return; 10778 } 10779 // all this for nothing; the requested priority was <= what was on the system 10780 } 10781 10782 public final void addActivity(PackageParser.Activity a, String type) { 10783 mActivities.put(a.getComponentName(), a); 10784 if (DEBUG_SHOW_INFO) 10785 Log.v( 10786 TAG, " " + type + " " + 10787 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10788 if (DEBUG_SHOW_INFO) 10789 Log.v(TAG, " Class=" + a.info.name); 10790 final int NI = a.intents.size(); 10791 for (int j=0; j<NI; j++) { 10792 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10793 if ("activity".equals(type)) { 10794 final PackageSetting ps = 10795 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10796 final List<PackageParser.Activity> systemActivities = 10797 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10798 adjustPriority(systemActivities, intent); 10799 } 10800 if (DEBUG_SHOW_INFO) { 10801 Log.v(TAG, " IntentFilter:"); 10802 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10803 } 10804 if (!intent.debugCheck()) { 10805 Log.w(TAG, "==> For Activity " + a.info.name); 10806 } 10807 addFilter(intent); 10808 } 10809 } 10810 10811 public final void removeActivity(PackageParser.Activity a, String type) { 10812 mActivities.remove(a.getComponentName()); 10813 if (DEBUG_SHOW_INFO) { 10814 Log.v(TAG, " " + type + " " 10815 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10816 : a.info.name) + ":"); 10817 Log.v(TAG, " Class=" + a.info.name); 10818 } 10819 final int NI = a.intents.size(); 10820 for (int j=0; j<NI; j++) { 10821 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10822 if (DEBUG_SHOW_INFO) { 10823 Log.v(TAG, " IntentFilter:"); 10824 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10825 } 10826 removeFilter(intent); 10827 } 10828 } 10829 10830 @Override 10831 protected boolean allowFilterResult( 10832 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10833 ActivityInfo filterAi = filter.activity.info; 10834 for (int i=dest.size()-1; i>=0; i--) { 10835 ActivityInfo destAi = dest.get(i).activityInfo; 10836 if (destAi.name == filterAi.name 10837 && destAi.packageName == filterAi.packageName) { 10838 return false; 10839 } 10840 } 10841 return true; 10842 } 10843 10844 @Override 10845 protected ActivityIntentInfo[] newArray(int size) { 10846 return new ActivityIntentInfo[size]; 10847 } 10848 10849 @Override 10850 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10851 if (!sUserManager.exists(userId)) return true; 10852 PackageParser.Package p = filter.activity.owner; 10853 if (p != null) { 10854 PackageSetting ps = (PackageSetting)p.mExtras; 10855 if (ps != null) { 10856 // System apps are never considered stopped for purposes of 10857 // filtering, because there may be no way for the user to 10858 // actually re-launch them. 10859 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10860 && ps.getStopped(userId); 10861 } 10862 } 10863 return false; 10864 } 10865 10866 @Override 10867 protected boolean isPackageForFilter(String packageName, 10868 PackageParser.ActivityIntentInfo info) { 10869 return packageName.equals(info.activity.owner.packageName); 10870 } 10871 10872 @Override 10873 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10874 int match, int userId) { 10875 if (!sUserManager.exists(userId)) return null; 10876 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10877 return null; 10878 } 10879 final PackageParser.Activity activity = info.activity; 10880 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10881 if (ps == null) { 10882 return null; 10883 } 10884 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10885 ps.readUserState(userId), userId); 10886 if (ai == null) { 10887 return null; 10888 } 10889 final ResolveInfo res = new ResolveInfo(); 10890 res.activityInfo = ai; 10891 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10892 res.filter = info; 10893 } 10894 if (info != null) { 10895 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10896 } 10897 res.priority = info.getPriority(); 10898 res.preferredOrder = activity.owner.mPreferredOrder; 10899 //System.out.println("Result: " + res.activityInfo.className + 10900 // " = " + res.priority); 10901 res.match = match; 10902 res.isDefault = info.hasDefault; 10903 res.labelRes = info.labelRes; 10904 res.nonLocalizedLabel = info.nonLocalizedLabel; 10905 if (userNeedsBadging(userId)) { 10906 res.noResourceId = true; 10907 } else { 10908 res.icon = info.icon; 10909 } 10910 res.iconResourceId = info.icon; 10911 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10912 return res; 10913 } 10914 10915 @Override 10916 protected void sortResults(List<ResolveInfo> results) { 10917 Collections.sort(results, mResolvePrioritySorter); 10918 } 10919 10920 @Override 10921 protected void dumpFilter(PrintWriter out, String prefix, 10922 PackageParser.ActivityIntentInfo filter) { 10923 out.print(prefix); out.print( 10924 Integer.toHexString(System.identityHashCode(filter.activity))); 10925 out.print(' '); 10926 filter.activity.printComponentShortName(out); 10927 out.print(" filter "); 10928 out.println(Integer.toHexString(System.identityHashCode(filter))); 10929 } 10930 10931 @Override 10932 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10933 return filter.activity; 10934 } 10935 10936 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10937 PackageParser.Activity activity = (PackageParser.Activity)label; 10938 out.print(prefix); out.print( 10939 Integer.toHexString(System.identityHashCode(activity))); 10940 out.print(' '); 10941 activity.printComponentShortName(out); 10942 if (count > 1) { 10943 out.print(" ("); out.print(count); out.print(" filters)"); 10944 } 10945 out.println(); 10946 } 10947 10948 // Keys are String (activity class name), values are Activity. 10949 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10950 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10951 private int mFlags; 10952 } 10953 10954 private final class ServiceIntentResolver 10955 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10956 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10957 boolean defaultOnly, int userId) { 10958 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10959 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10960 } 10961 10962 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10963 int userId) { 10964 if (!sUserManager.exists(userId)) return null; 10965 mFlags = flags; 10966 return super.queryIntent(intent, resolvedType, 10967 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10968 } 10969 10970 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10971 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10972 if (!sUserManager.exists(userId)) return null; 10973 if (packageServices == null) { 10974 return null; 10975 } 10976 mFlags = flags; 10977 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10978 final int N = packageServices.size(); 10979 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10980 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10981 10982 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10983 for (int i = 0; i < N; ++i) { 10984 intentFilters = packageServices.get(i).intents; 10985 if (intentFilters != null && intentFilters.size() > 0) { 10986 PackageParser.ServiceIntentInfo[] array = 10987 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10988 intentFilters.toArray(array); 10989 listCut.add(array); 10990 } 10991 } 10992 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10993 } 10994 10995 public final void addService(PackageParser.Service s) { 10996 mServices.put(s.getComponentName(), s); 10997 if (DEBUG_SHOW_INFO) { 10998 Log.v(TAG, " " 10999 + (s.info.nonLocalizedLabel != null 11000 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11001 Log.v(TAG, " Class=" + s.info.name); 11002 } 11003 final int NI = s.intents.size(); 11004 int j; 11005 for (j=0; j<NI; j++) { 11006 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11007 if (DEBUG_SHOW_INFO) { 11008 Log.v(TAG, " IntentFilter:"); 11009 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11010 } 11011 if (!intent.debugCheck()) { 11012 Log.w(TAG, "==> For Service " + s.info.name); 11013 } 11014 addFilter(intent); 11015 } 11016 } 11017 11018 public final void removeService(PackageParser.Service s) { 11019 mServices.remove(s.getComponentName()); 11020 if (DEBUG_SHOW_INFO) { 11021 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11022 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11023 Log.v(TAG, " Class=" + s.info.name); 11024 } 11025 final int NI = s.intents.size(); 11026 int j; 11027 for (j=0; j<NI; j++) { 11028 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11029 if (DEBUG_SHOW_INFO) { 11030 Log.v(TAG, " IntentFilter:"); 11031 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11032 } 11033 removeFilter(intent); 11034 } 11035 } 11036 11037 @Override 11038 protected boolean allowFilterResult( 11039 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11040 ServiceInfo filterSi = filter.service.info; 11041 for (int i=dest.size()-1; i>=0; i--) { 11042 ServiceInfo destAi = dest.get(i).serviceInfo; 11043 if (destAi.name == filterSi.name 11044 && destAi.packageName == filterSi.packageName) { 11045 return false; 11046 } 11047 } 11048 return true; 11049 } 11050 11051 @Override 11052 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11053 return new PackageParser.ServiceIntentInfo[size]; 11054 } 11055 11056 @Override 11057 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11058 if (!sUserManager.exists(userId)) return true; 11059 PackageParser.Package p = filter.service.owner; 11060 if (p != null) { 11061 PackageSetting ps = (PackageSetting)p.mExtras; 11062 if (ps != null) { 11063 // System apps are never considered stopped for purposes of 11064 // filtering, because there may be no way for the user to 11065 // actually re-launch them. 11066 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11067 && ps.getStopped(userId); 11068 } 11069 } 11070 return false; 11071 } 11072 11073 @Override 11074 protected boolean isPackageForFilter(String packageName, 11075 PackageParser.ServiceIntentInfo info) { 11076 return packageName.equals(info.service.owner.packageName); 11077 } 11078 11079 @Override 11080 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11081 int match, int userId) { 11082 if (!sUserManager.exists(userId)) return null; 11083 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11084 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11085 return null; 11086 } 11087 final PackageParser.Service service = info.service; 11088 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11089 if (ps == null) { 11090 return null; 11091 } 11092 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11093 ps.readUserState(userId), userId); 11094 if (si == null) { 11095 return null; 11096 } 11097 final ResolveInfo res = new ResolveInfo(); 11098 res.serviceInfo = si; 11099 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11100 res.filter = filter; 11101 } 11102 res.priority = info.getPriority(); 11103 res.preferredOrder = service.owner.mPreferredOrder; 11104 res.match = match; 11105 res.isDefault = info.hasDefault; 11106 res.labelRes = info.labelRes; 11107 res.nonLocalizedLabel = info.nonLocalizedLabel; 11108 res.icon = info.icon; 11109 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11110 return res; 11111 } 11112 11113 @Override 11114 protected void sortResults(List<ResolveInfo> results) { 11115 Collections.sort(results, mResolvePrioritySorter); 11116 } 11117 11118 @Override 11119 protected void dumpFilter(PrintWriter out, String prefix, 11120 PackageParser.ServiceIntentInfo filter) { 11121 out.print(prefix); out.print( 11122 Integer.toHexString(System.identityHashCode(filter.service))); 11123 out.print(' '); 11124 filter.service.printComponentShortName(out); 11125 out.print(" filter "); 11126 out.println(Integer.toHexString(System.identityHashCode(filter))); 11127 } 11128 11129 @Override 11130 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11131 return filter.service; 11132 } 11133 11134 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11135 PackageParser.Service service = (PackageParser.Service)label; 11136 out.print(prefix); out.print( 11137 Integer.toHexString(System.identityHashCode(service))); 11138 out.print(' '); 11139 service.printComponentShortName(out); 11140 if (count > 1) { 11141 out.print(" ("); out.print(count); out.print(" filters)"); 11142 } 11143 out.println(); 11144 } 11145 11146// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11147// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11148// final List<ResolveInfo> retList = Lists.newArrayList(); 11149// while (i.hasNext()) { 11150// final ResolveInfo resolveInfo = (ResolveInfo) i; 11151// if (isEnabledLP(resolveInfo.serviceInfo)) { 11152// retList.add(resolveInfo); 11153// } 11154// } 11155// return retList; 11156// } 11157 11158 // Keys are String (activity class name), values are Activity. 11159 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11160 = new ArrayMap<ComponentName, PackageParser.Service>(); 11161 private int mFlags; 11162 }; 11163 11164 private final class ProviderIntentResolver 11165 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11166 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11167 boolean defaultOnly, int userId) { 11168 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11169 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11170 } 11171 11172 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11173 int userId) { 11174 if (!sUserManager.exists(userId)) 11175 return null; 11176 mFlags = flags; 11177 return super.queryIntent(intent, resolvedType, 11178 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11179 } 11180 11181 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11182 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11183 if (!sUserManager.exists(userId)) 11184 return null; 11185 if (packageProviders == null) { 11186 return null; 11187 } 11188 mFlags = flags; 11189 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11190 final int N = packageProviders.size(); 11191 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11192 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11193 11194 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11195 for (int i = 0; i < N; ++i) { 11196 intentFilters = packageProviders.get(i).intents; 11197 if (intentFilters != null && intentFilters.size() > 0) { 11198 PackageParser.ProviderIntentInfo[] array = 11199 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11200 intentFilters.toArray(array); 11201 listCut.add(array); 11202 } 11203 } 11204 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11205 } 11206 11207 public final void addProvider(PackageParser.Provider p) { 11208 if (mProviders.containsKey(p.getComponentName())) { 11209 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11210 return; 11211 } 11212 11213 mProviders.put(p.getComponentName(), p); 11214 if (DEBUG_SHOW_INFO) { 11215 Log.v(TAG, " " 11216 + (p.info.nonLocalizedLabel != null 11217 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11218 Log.v(TAG, " Class=" + p.info.name); 11219 } 11220 final int NI = p.intents.size(); 11221 int j; 11222 for (j = 0; j < NI; j++) { 11223 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11224 if (DEBUG_SHOW_INFO) { 11225 Log.v(TAG, " IntentFilter:"); 11226 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11227 } 11228 if (!intent.debugCheck()) { 11229 Log.w(TAG, "==> For Provider " + p.info.name); 11230 } 11231 addFilter(intent); 11232 } 11233 } 11234 11235 public final void removeProvider(PackageParser.Provider p) { 11236 mProviders.remove(p.getComponentName()); 11237 if (DEBUG_SHOW_INFO) { 11238 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11239 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11240 Log.v(TAG, " Class=" + p.info.name); 11241 } 11242 final int NI = p.intents.size(); 11243 int j; 11244 for (j = 0; j < NI; j++) { 11245 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11246 if (DEBUG_SHOW_INFO) { 11247 Log.v(TAG, " IntentFilter:"); 11248 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11249 } 11250 removeFilter(intent); 11251 } 11252 } 11253 11254 @Override 11255 protected boolean allowFilterResult( 11256 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11257 ProviderInfo filterPi = filter.provider.info; 11258 for (int i = dest.size() - 1; i >= 0; i--) { 11259 ProviderInfo destPi = dest.get(i).providerInfo; 11260 if (destPi.name == filterPi.name 11261 && destPi.packageName == filterPi.packageName) { 11262 return false; 11263 } 11264 } 11265 return true; 11266 } 11267 11268 @Override 11269 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11270 return new PackageParser.ProviderIntentInfo[size]; 11271 } 11272 11273 @Override 11274 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11275 if (!sUserManager.exists(userId)) 11276 return true; 11277 PackageParser.Package p = filter.provider.owner; 11278 if (p != null) { 11279 PackageSetting ps = (PackageSetting) p.mExtras; 11280 if (ps != null) { 11281 // System apps are never considered stopped for purposes of 11282 // filtering, because there may be no way for the user to 11283 // actually re-launch them. 11284 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11285 && ps.getStopped(userId); 11286 } 11287 } 11288 return false; 11289 } 11290 11291 @Override 11292 protected boolean isPackageForFilter(String packageName, 11293 PackageParser.ProviderIntentInfo info) { 11294 return packageName.equals(info.provider.owner.packageName); 11295 } 11296 11297 @Override 11298 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11299 int match, int userId) { 11300 if (!sUserManager.exists(userId)) 11301 return null; 11302 final PackageParser.ProviderIntentInfo info = filter; 11303 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11304 return null; 11305 } 11306 final PackageParser.Provider provider = info.provider; 11307 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11308 if (ps == null) { 11309 return null; 11310 } 11311 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11312 ps.readUserState(userId), userId); 11313 if (pi == null) { 11314 return null; 11315 } 11316 final ResolveInfo res = new ResolveInfo(); 11317 res.providerInfo = pi; 11318 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11319 res.filter = filter; 11320 } 11321 res.priority = info.getPriority(); 11322 res.preferredOrder = provider.owner.mPreferredOrder; 11323 res.match = match; 11324 res.isDefault = info.hasDefault; 11325 res.labelRes = info.labelRes; 11326 res.nonLocalizedLabel = info.nonLocalizedLabel; 11327 res.icon = info.icon; 11328 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11329 return res; 11330 } 11331 11332 @Override 11333 protected void sortResults(List<ResolveInfo> results) { 11334 Collections.sort(results, mResolvePrioritySorter); 11335 } 11336 11337 @Override 11338 protected void dumpFilter(PrintWriter out, String prefix, 11339 PackageParser.ProviderIntentInfo filter) { 11340 out.print(prefix); 11341 out.print( 11342 Integer.toHexString(System.identityHashCode(filter.provider))); 11343 out.print(' '); 11344 filter.provider.printComponentShortName(out); 11345 out.print(" filter "); 11346 out.println(Integer.toHexString(System.identityHashCode(filter))); 11347 } 11348 11349 @Override 11350 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11351 return filter.provider; 11352 } 11353 11354 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11355 PackageParser.Provider provider = (PackageParser.Provider)label; 11356 out.print(prefix); out.print( 11357 Integer.toHexString(System.identityHashCode(provider))); 11358 out.print(' '); 11359 provider.printComponentShortName(out); 11360 if (count > 1) { 11361 out.print(" ("); out.print(count); out.print(" filters)"); 11362 } 11363 out.println(); 11364 } 11365 11366 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11367 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11368 private int mFlags; 11369 } 11370 11371 private static final class EphemeralIntentResolver 11372 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11373 @Override 11374 protected EphemeralResolveIntentInfo[] newArray(int size) { 11375 return new EphemeralResolveIntentInfo[size]; 11376 } 11377 11378 @Override 11379 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11380 return true; 11381 } 11382 11383 @Override 11384 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11385 int userId) { 11386 if (!sUserManager.exists(userId)) { 11387 return null; 11388 } 11389 return info.getEphemeralResolveInfo(); 11390 } 11391 } 11392 11393 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11394 new Comparator<ResolveInfo>() { 11395 public int compare(ResolveInfo r1, ResolveInfo r2) { 11396 int v1 = r1.priority; 11397 int v2 = r2.priority; 11398 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11399 if (v1 != v2) { 11400 return (v1 > v2) ? -1 : 1; 11401 } 11402 v1 = r1.preferredOrder; 11403 v2 = r2.preferredOrder; 11404 if (v1 != v2) { 11405 return (v1 > v2) ? -1 : 1; 11406 } 11407 if (r1.isDefault != r2.isDefault) { 11408 return r1.isDefault ? -1 : 1; 11409 } 11410 v1 = r1.match; 11411 v2 = r2.match; 11412 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11413 if (v1 != v2) { 11414 return (v1 > v2) ? -1 : 1; 11415 } 11416 if (r1.system != r2.system) { 11417 return r1.system ? -1 : 1; 11418 } 11419 if (r1.activityInfo != null) { 11420 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11421 } 11422 if (r1.serviceInfo != null) { 11423 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11424 } 11425 if (r1.providerInfo != null) { 11426 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11427 } 11428 return 0; 11429 } 11430 }; 11431 11432 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11433 new Comparator<ProviderInfo>() { 11434 public int compare(ProviderInfo p1, ProviderInfo p2) { 11435 final int v1 = p1.initOrder; 11436 final int v2 = p2.initOrder; 11437 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11438 } 11439 }; 11440 11441 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11442 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11443 final int[] userIds) { 11444 mHandler.post(new Runnable() { 11445 @Override 11446 public void run() { 11447 try { 11448 final IActivityManager am = ActivityManagerNative.getDefault(); 11449 if (am == null) return; 11450 final int[] resolvedUserIds; 11451 if (userIds == null) { 11452 resolvedUserIds = am.getRunningUserIds(); 11453 } else { 11454 resolvedUserIds = userIds; 11455 } 11456 final ShortcutServiceInternal shortcutService = 11457 LocalServices.getService(ShortcutServiceInternal.class); 11458 11459 for (int id : resolvedUserIds) { 11460 final Intent intent = new Intent(action, 11461 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11462 if (extras != null) { 11463 intent.putExtras(extras); 11464 } 11465 if (targetPkg != null) { 11466 intent.setPackage(targetPkg); 11467 } 11468 // Modify the UID when posting to other users 11469 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11470 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11471 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11472 intent.putExtra(Intent.EXTRA_UID, uid); 11473 } 11474 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11475 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11476 if (DEBUG_BROADCASTS) { 11477 RuntimeException here = new RuntimeException("here"); 11478 here.fillInStackTrace(); 11479 Slog.d(TAG, "Sending to user " + id + ": " 11480 + intent.toShortString(false, true, false, false) 11481 + " " + intent.getExtras(), here); 11482 } 11483 // TODO b/29385425 Consider making lifecycle callbacks for this. 11484 if (shortcutService != null) { 11485 shortcutService.onPackageBroadcast(intent); 11486 } 11487 am.broadcastIntent(null, intent, null, finishedReceiver, 11488 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11489 null, finishedReceiver != null, false, id); 11490 } 11491 } catch (RemoteException ex) { 11492 } 11493 } 11494 }); 11495 } 11496 11497 /** 11498 * Check if the external storage media is available. This is true if there 11499 * is a mounted external storage medium or if the external storage is 11500 * emulated. 11501 */ 11502 private boolean isExternalMediaAvailable() { 11503 return mMediaMounted || Environment.isExternalStorageEmulated(); 11504 } 11505 11506 @Override 11507 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11508 // writer 11509 synchronized (mPackages) { 11510 if (!isExternalMediaAvailable()) { 11511 // If the external storage is no longer mounted at this point, 11512 // the caller may not have been able to delete all of this 11513 // packages files and can not delete any more. Bail. 11514 return null; 11515 } 11516 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11517 if (lastPackage != null) { 11518 pkgs.remove(lastPackage); 11519 } 11520 if (pkgs.size() > 0) { 11521 return pkgs.get(0); 11522 } 11523 } 11524 return null; 11525 } 11526 11527 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11528 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11529 userId, andCode ? 1 : 0, packageName); 11530 if (mSystemReady) { 11531 msg.sendToTarget(); 11532 } else { 11533 if (mPostSystemReadyMessages == null) { 11534 mPostSystemReadyMessages = new ArrayList<>(); 11535 } 11536 mPostSystemReadyMessages.add(msg); 11537 } 11538 } 11539 11540 void startCleaningPackages() { 11541 // reader 11542 if (!isExternalMediaAvailable()) { 11543 return; 11544 } 11545 synchronized (mPackages) { 11546 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11547 return; 11548 } 11549 } 11550 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11551 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11552 IActivityManager am = ActivityManagerNative.getDefault(); 11553 if (am != null) { 11554 try { 11555 am.startService(null, intent, null, mContext.getOpPackageName(), 11556 UserHandle.USER_SYSTEM); 11557 } catch (RemoteException e) { 11558 } 11559 } 11560 } 11561 11562 @Override 11563 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11564 int installFlags, String installerPackageName, int userId) { 11565 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11566 11567 final int callingUid = Binder.getCallingUid(); 11568 enforceCrossUserPermission(callingUid, userId, 11569 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11570 11571 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11572 try { 11573 if (observer != null) { 11574 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11575 } 11576 } catch (RemoteException re) { 11577 } 11578 return; 11579 } 11580 11581 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11582 installFlags |= PackageManager.INSTALL_FROM_ADB; 11583 11584 } else { 11585 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11586 // about installerPackageName. 11587 11588 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11589 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11590 } 11591 11592 UserHandle user; 11593 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11594 user = UserHandle.ALL; 11595 } else { 11596 user = new UserHandle(userId); 11597 } 11598 11599 // Only system components can circumvent runtime permissions when installing. 11600 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11601 && mContext.checkCallingOrSelfPermission(Manifest.permission 11602 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11603 throw new SecurityException("You need the " 11604 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11605 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11606 } 11607 11608 final File originFile = new File(originPath); 11609 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11610 11611 final Message msg = mHandler.obtainMessage(INIT_COPY); 11612 final VerificationInfo verificationInfo = new VerificationInfo( 11613 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11614 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11615 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11616 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11617 null /*certificates*/); 11618 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11619 msg.obj = params; 11620 11621 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11622 System.identityHashCode(msg.obj)); 11623 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11624 System.identityHashCode(msg.obj)); 11625 11626 mHandler.sendMessage(msg); 11627 } 11628 11629 void installStage(String packageName, File stagedDir, String stagedCid, 11630 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11631 String installerPackageName, int installerUid, UserHandle user, 11632 Certificate[][] certificates) { 11633 if (DEBUG_EPHEMERAL) { 11634 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11635 Slog.d(TAG, "Ephemeral install of " + packageName); 11636 } 11637 } 11638 final VerificationInfo verificationInfo = new VerificationInfo( 11639 sessionParams.originatingUri, sessionParams.referrerUri, 11640 sessionParams.originatingUid, installerUid); 11641 11642 final OriginInfo origin; 11643 if (stagedDir != null) { 11644 origin = OriginInfo.fromStagedFile(stagedDir); 11645 } else { 11646 origin = OriginInfo.fromStagedContainer(stagedCid); 11647 } 11648 11649 final Message msg = mHandler.obtainMessage(INIT_COPY); 11650 final InstallParams params = new InstallParams(origin, null, observer, 11651 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11652 verificationInfo, user, sessionParams.abiOverride, 11653 sessionParams.grantedRuntimePermissions, certificates); 11654 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11655 msg.obj = params; 11656 11657 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11658 System.identityHashCode(msg.obj)); 11659 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11660 System.identityHashCode(msg.obj)); 11661 11662 mHandler.sendMessage(msg); 11663 } 11664 11665 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11666 int userId) { 11667 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11668 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11669 } 11670 11671 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11672 int appId, int userId) { 11673 Bundle extras = new Bundle(1); 11674 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11675 11676 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11677 packageName, extras, 0, null, null, new int[] {userId}); 11678 try { 11679 IActivityManager am = ActivityManagerNative.getDefault(); 11680 if (isSystem && am.isUserRunning(userId, 0)) { 11681 // The just-installed/enabled app is bundled on the system, so presumed 11682 // to be able to run automatically without needing an explicit launch. 11683 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11684 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11685 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11686 .setPackage(packageName); 11687 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11688 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11689 } 11690 } catch (RemoteException e) { 11691 // shouldn't happen 11692 Slog.w(TAG, "Unable to bootstrap installed package", e); 11693 } 11694 } 11695 11696 @Override 11697 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11698 int userId) { 11699 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11700 PackageSetting pkgSetting; 11701 final int uid = Binder.getCallingUid(); 11702 enforceCrossUserPermission(uid, userId, 11703 true /* requireFullPermission */, true /* checkShell */, 11704 "setApplicationHiddenSetting for user " + userId); 11705 11706 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11707 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11708 return false; 11709 } 11710 11711 long callingId = Binder.clearCallingIdentity(); 11712 try { 11713 boolean sendAdded = false; 11714 boolean sendRemoved = false; 11715 // writer 11716 synchronized (mPackages) { 11717 pkgSetting = mSettings.mPackages.get(packageName); 11718 if (pkgSetting == null) { 11719 return false; 11720 } 11721 // Only allow protected packages to hide themselves. 11722 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11723 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11724 Slog.w(TAG, "Not hiding protected package: " + packageName); 11725 return false; 11726 } 11727 if (pkgSetting.getHidden(userId) != hidden) { 11728 pkgSetting.setHidden(hidden, userId); 11729 mSettings.writePackageRestrictionsLPr(userId); 11730 if (hidden) { 11731 sendRemoved = true; 11732 } else { 11733 sendAdded = true; 11734 } 11735 } 11736 } 11737 if (sendAdded) { 11738 sendPackageAddedForUser(packageName, pkgSetting, userId); 11739 return true; 11740 } 11741 if (sendRemoved) { 11742 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11743 "hiding pkg"); 11744 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11745 return true; 11746 } 11747 } finally { 11748 Binder.restoreCallingIdentity(callingId); 11749 } 11750 return false; 11751 } 11752 11753 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11754 int userId) { 11755 final PackageRemovedInfo info = new PackageRemovedInfo(); 11756 info.removedPackage = packageName; 11757 info.removedUsers = new int[] {userId}; 11758 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11759 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11760 } 11761 11762 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11763 if (pkgList.length > 0) { 11764 Bundle extras = new Bundle(1); 11765 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11766 11767 sendPackageBroadcast( 11768 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11769 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11770 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11771 new int[] {userId}); 11772 } 11773 } 11774 11775 /** 11776 * Returns true if application is not found or there was an error. Otherwise it returns 11777 * the hidden state of the package for the given user. 11778 */ 11779 @Override 11780 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11781 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11782 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11783 true /* requireFullPermission */, false /* checkShell */, 11784 "getApplicationHidden for user " + userId); 11785 PackageSetting pkgSetting; 11786 long callingId = Binder.clearCallingIdentity(); 11787 try { 11788 // writer 11789 synchronized (mPackages) { 11790 pkgSetting = mSettings.mPackages.get(packageName); 11791 if (pkgSetting == null) { 11792 return true; 11793 } 11794 return pkgSetting.getHidden(userId); 11795 } 11796 } finally { 11797 Binder.restoreCallingIdentity(callingId); 11798 } 11799 } 11800 11801 /** 11802 * @hide 11803 */ 11804 @Override 11805 public int installExistingPackageAsUser(String packageName, int userId) { 11806 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11807 null); 11808 PackageSetting pkgSetting; 11809 final int uid = Binder.getCallingUid(); 11810 enforceCrossUserPermission(uid, userId, 11811 true /* requireFullPermission */, true /* checkShell */, 11812 "installExistingPackage for user " + userId); 11813 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11814 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11815 } 11816 11817 long callingId = Binder.clearCallingIdentity(); 11818 try { 11819 boolean installed = false; 11820 11821 // writer 11822 synchronized (mPackages) { 11823 pkgSetting = mSettings.mPackages.get(packageName); 11824 if (pkgSetting == null) { 11825 return PackageManager.INSTALL_FAILED_INVALID_URI; 11826 } 11827 if (!pkgSetting.getInstalled(userId)) { 11828 pkgSetting.setInstalled(true, userId); 11829 pkgSetting.setHidden(false, userId); 11830 mSettings.writePackageRestrictionsLPr(userId); 11831 installed = true; 11832 } 11833 } 11834 11835 if (installed) { 11836 if (pkgSetting.pkg != null) { 11837 synchronized (mInstallLock) { 11838 // We don't need to freeze for a brand new install 11839 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11840 } 11841 } 11842 sendPackageAddedForUser(packageName, pkgSetting, userId); 11843 } 11844 } finally { 11845 Binder.restoreCallingIdentity(callingId); 11846 } 11847 11848 return PackageManager.INSTALL_SUCCEEDED; 11849 } 11850 11851 boolean isUserRestricted(int userId, String restrictionKey) { 11852 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11853 if (restrictions.getBoolean(restrictionKey, false)) { 11854 Log.w(TAG, "User is restricted: " + restrictionKey); 11855 return true; 11856 } 11857 return false; 11858 } 11859 11860 @Override 11861 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11862 int userId) { 11863 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11864 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11865 true /* requireFullPermission */, true /* checkShell */, 11866 "setPackagesSuspended for user " + userId); 11867 11868 if (ArrayUtils.isEmpty(packageNames)) { 11869 return packageNames; 11870 } 11871 11872 // List of package names for whom the suspended state has changed. 11873 List<String> changedPackages = new ArrayList<>(packageNames.length); 11874 // List of package names for whom the suspended state is not set as requested in this 11875 // method. 11876 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11877 long callingId = Binder.clearCallingIdentity(); 11878 try { 11879 for (int i = 0; i < packageNames.length; i++) { 11880 String packageName = packageNames[i]; 11881 boolean changed = false; 11882 final int appId; 11883 synchronized (mPackages) { 11884 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11885 if (pkgSetting == null) { 11886 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11887 + "\". Skipping suspending/un-suspending."); 11888 unactionedPackages.add(packageName); 11889 continue; 11890 } 11891 appId = pkgSetting.appId; 11892 if (pkgSetting.getSuspended(userId) != suspended) { 11893 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11894 unactionedPackages.add(packageName); 11895 continue; 11896 } 11897 pkgSetting.setSuspended(suspended, userId); 11898 mSettings.writePackageRestrictionsLPr(userId); 11899 changed = true; 11900 changedPackages.add(packageName); 11901 } 11902 } 11903 11904 if (changed && suspended) { 11905 killApplication(packageName, UserHandle.getUid(userId, appId), 11906 "suspending package"); 11907 } 11908 } 11909 } finally { 11910 Binder.restoreCallingIdentity(callingId); 11911 } 11912 11913 if (!changedPackages.isEmpty()) { 11914 sendPackagesSuspendedForUser(changedPackages.toArray( 11915 new String[changedPackages.size()]), userId, suspended); 11916 } 11917 11918 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11919 } 11920 11921 @Override 11922 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11923 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11924 true /* requireFullPermission */, false /* checkShell */, 11925 "isPackageSuspendedForUser for user " + userId); 11926 synchronized (mPackages) { 11927 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11928 if (pkgSetting == null) { 11929 throw new IllegalArgumentException("Unknown target package: " + packageName); 11930 } 11931 return pkgSetting.getSuspended(userId); 11932 } 11933 } 11934 11935 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11936 if (isPackageDeviceAdmin(packageName, userId)) { 11937 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11938 + "\": has an active device admin"); 11939 return false; 11940 } 11941 11942 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11943 if (packageName.equals(activeLauncherPackageName)) { 11944 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11945 + "\": contains the active launcher"); 11946 return false; 11947 } 11948 11949 if (packageName.equals(mRequiredInstallerPackage)) { 11950 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11951 + "\": required for package installation"); 11952 return false; 11953 } 11954 11955 if (packageName.equals(mRequiredVerifierPackage)) { 11956 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11957 + "\": required for package verification"); 11958 return false; 11959 } 11960 11961 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11962 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11963 + "\": is the default dialer"); 11964 return false; 11965 } 11966 11967 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11968 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11969 + "\": protected package"); 11970 return false; 11971 } 11972 11973 return true; 11974 } 11975 11976 private String getActiveLauncherPackageName(int userId) { 11977 Intent intent = new Intent(Intent.ACTION_MAIN); 11978 intent.addCategory(Intent.CATEGORY_HOME); 11979 ResolveInfo resolveInfo = resolveIntent( 11980 intent, 11981 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11982 PackageManager.MATCH_DEFAULT_ONLY, 11983 userId); 11984 11985 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11986 } 11987 11988 private String getDefaultDialerPackageName(int userId) { 11989 synchronized (mPackages) { 11990 return mSettings.getDefaultDialerPackageNameLPw(userId); 11991 } 11992 } 11993 11994 @Override 11995 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11996 mContext.enforceCallingOrSelfPermission( 11997 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11998 "Only package verification agents can verify applications"); 11999 12000 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12001 final PackageVerificationResponse response = new PackageVerificationResponse( 12002 verificationCode, Binder.getCallingUid()); 12003 msg.arg1 = id; 12004 msg.obj = response; 12005 mHandler.sendMessage(msg); 12006 } 12007 12008 @Override 12009 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12010 long millisecondsToDelay) { 12011 mContext.enforceCallingOrSelfPermission( 12012 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12013 "Only package verification agents can extend verification timeouts"); 12014 12015 final PackageVerificationState state = mPendingVerification.get(id); 12016 final PackageVerificationResponse response = new PackageVerificationResponse( 12017 verificationCodeAtTimeout, Binder.getCallingUid()); 12018 12019 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12020 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12021 } 12022 if (millisecondsToDelay < 0) { 12023 millisecondsToDelay = 0; 12024 } 12025 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12026 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12027 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12028 } 12029 12030 if ((state != null) && !state.timeoutExtended()) { 12031 state.extendTimeout(); 12032 12033 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12034 msg.arg1 = id; 12035 msg.obj = response; 12036 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12037 } 12038 } 12039 12040 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12041 int verificationCode, UserHandle user) { 12042 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12043 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12044 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12045 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12046 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12047 12048 mContext.sendBroadcastAsUser(intent, user, 12049 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12050 } 12051 12052 private ComponentName matchComponentForVerifier(String packageName, 12053 List<ResolveInfo> receivers) { 12054 ActivityInfo targetReceiver = null; 12055 12056 final int NR = receivers.size(); 12057 for (int i = 0; i < NR; i++) { 12058 final ResolveInfo info = receivers.get(i); 12059 if (info.activityInfo == null) { 12060 continue; 12061 } 12062 12063 if (packageName.equals(info.activityInfo.packageName)) { 12064 targetReceiver = info.activityInfo; 12065 break; 12066 } 12067 } 12068 12069 if (targetReceiver == null) { 12070 return null; 12071 } 12072 12073 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12074 } 12075 12076 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12077 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12078 if (pkgInfo.verifiers.length == 0) { 12079 return null; 12080 } 12081 12082 final int N = pkgInfo.verifiers.length; 12083 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12084 for (int i = 0; i < N; i++) { 12085 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12086 12087 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12088 receivers); 12089 if (comp == null) { 12090 continue; 12091 } 12092 12093 final int verifierUid = getUidForVerifier(verifierInfo); 12094 if (verifierUid == -1) { 12095 continue; 12096 } 12097 12098 if (DEBUG_VERIFY) { 12099 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12100 + " with the correct signature"); 12101 } 12102 sufficientVerifiers.add(comp); 12103 verificationState.addSufficientVerifier(verifierUid); 12104 } 12105 12106 return sufficientVerifiers; 12107 } 12108 12109 private int getUidForVerifier(VerifierInfo verifierInfo) { 12110 synchronized (mPackages) { 12111 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12112 if (pkg == null) { 12113 return -1; 12114 } else if (pkg.mSignatures.length != 1) { 12115 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12116 + " has more than one signature; ignoring"); 12117 return -1; 12118 } 12119 12120 /* 12121 * If the public key of the package's signature does not match 12122 * our expected public key, then this is a different package and 12123 * we should skip. 12124 */ 12125 12126 final byte[] expectedPublicKey; 12127 try { 12128 final Signature verifierSig = pkg.mSignatures[0]; 12129 final PublicKey publicKey = verifierSig.getPublicKey(); 12130 expectedPublicKey = publicKey.getEncoded(); 12131 } catch (CertificateException e) { 12132 return -1; 12133 } 12134 12135 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12136 12137 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12138 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12139 + " does not have the expected public key; ignoring"); 12140 return -1; 12141 } 12142 12143 return pkg.applicationInfo.uid; 12144 } 12145 } 12146 12147 @Override 12148 public void finishPackageInstall(int token, boolean didLaunch) { 12149 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12150 12151 if (DEBUG_INSTALL) { 12152 Slog.v(TAG, "BM finishing package install for " + token); 12153 } 12154 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12155 12156 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12157 mHandler.sendMessage(msg); 12158 } 12159 12160 /** 12161 * Get the verification agent timeout. 12162 * 12163 * @return verification timeout in milliseconds 12164 */ 12165 private long getVerificationTimeout() { 12166 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12167 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12168 DEFAULT_VERIFICATION_TIMEOUT); 12169 } 12170 12171 /** 12172 * Get the default verification agent response code. 12173 * 12174 * @return default verification response code 12175 */ 12176 private int getDefaultVerificationResponse() { 12177 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12178 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12179 DEFAULT_VERIFICATION_RESPONSE); 12180 } 12181 12182 /** 12183 * Check whether or not package verification has been enabled. 12184 * 12185 * @return true if verification should be performed 12186 */ 12187 private boolean isVerificationEnabled(int userId, int installFlags) { 12188 if (!DEFAULT_VERIFY_ENABLE) { 12189 return false; 12190 } 12191 // Ephemeral apps don't get the full verification treatment 12192 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12193 if (DEBUG_EPHEMERAL) { 12194 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12195 } 12196 return false; 12197 } 12198 12199 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12200 12201 // Check if installing from ADB 12202 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12203 // Do not run verification in a test harness environment 12204 if (ActivityManager.isRunningInTestHarness()) { 12205 return false; 12206 } 12207 if (ensureVerifyAppsEnabled) { 12208 return true; 12209 } 12210 // Check if the developer does not want package verification for ADB installs 12211 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12212 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12213 return false; 12214 } 12215 } 12216 12217 if (ensureVerifyAppsEnabled) { 12218 return true; 12219 } 12220 12221 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12222 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12223 } 12224 12225 @Override 12226 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12227 throws RemoteException { 12228 mContext.enforceCallingOrSelfPermission( 12229 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12230 "Only intentfilter verification agents can verify applications"); 12231 12232 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12233 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12234 Binder.getCallingUid(), verificationCode, failedDomains); 12235 msg.arg1 = id; 12236 msg.obj = response; 12237 mHandler.sendMessage(msg); 12238 } 12239 12240 @Override 12241 public int getIntentVerificationStatus(String packageName, int userId) { 12242 synchronized (mPackages) { 12243 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12244 } 12245 } 12246 12247 @Override 12248 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12249 mContext.enforceCallingOrSelfPermission( 12250 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12251 12252 boolean result = false; 12253 synchronized (mPackages) { 12254 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12255 } 12256 if (result) { 12257 scheduleWritePackageRestrictionsLocked(userId); 12258 } 12259 return result; 12260 } 12261 12262 @Override 12263 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12264 String packageName) { 12265 synchronized (mPackages) { 12266 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12267 } 12268 } 12269 12270 @Override 12271 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12272 if (TextUtils.isEmpty(packageName)) { 12273 return ParceledListSlice.emptyList(); 12274 } 12275 synchronized (mPackages) { 12276 PackageParser.Package pkg = mPackages.get(packageName); 12277 if (pkg == null || pkg.activities == null) { 12278 return ParceledListSlice.emptyList(); 12279 } 12280 final int count = pkg.activities.size(); 12281 ArrayList<IntentFilter> result = new ArrayList<>(); 12282 for (int n=0; n<count; n++) { 12283 PackageParser.Activity activity = pkg.activities.get(n); 12284 if (activity.intents != null && activity.intents.size() > 0) { 12285 result.addAll(activity.intents); 12286 } 12287 } 12288 return new ParceledListSlice<>(result); 12289 } 12290 } 12291 12292 @Override 12293 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12294 mContext.enforceCallingOrSelfPermission( 12295 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12296 12297 synchronized (mPackages) { 12298 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12299 if (packageName != null) { 12300 result |= updateIntentVerificationStatus(packageName, 12301 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12302 userId); 12303 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12304 packageName, userId); 12305 } 12306 return result; 12307 } 12308 } 12309 12310 @Override 12311 public String getDefaultBrowserPackageName(int userId) { 12312 synchronized (mPackages) { 12313 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12314 } 12315 } 12316 12317 /** 12318 * Get the "allow unknown sources" setting. 12319 * 12320 * @return the current "allow unknown sources" setting 12321 */ 12322 private int getUnknownSourcesSettings() { 12323 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12324 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12325 -1); 12326 } 12327 12328 @Override 12329 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12330 final int uid = Binder.getCallingUid(); 12331 // writer 12332 synchronized (mPackages) { 12333 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12334 if (targetPackageSetting == null) { 12335 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12336 } 12337 12338 PackageSetting installerPackageSetting; 12339 if (installerPackageName != null) { 12340 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12341 if (installerPackageSetting == null) { 12342 throw new IllegalArgumentException("Unknown installer package: " 12343 + installerPackageName); 12344 } 12345 } else { 12346 installerPackageSetting = null; 12347 } 12348 12349 Signature[] callerSignature; 12350 Object obj = mSettings.getUserIdLPr(uid); 12351 if (obj != null) { 12352 if (obj instanceof SharedUserSetting) { 12353 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12354 } else if (obj instanceof PackageSetting) { 12355 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12356 } else { 12357 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12358 } 12359 } else { 12360 throw new SecurityException("Unknown calling UID: " + uid); 12361 } 12362 12363 // Verify: can't set installerPackageName to a package that is 12364 // not signed with the same cert as the caller. 12365 if (installerPackageSetting != null) { 12366 if (compareSignatures(callerSignature, 12367 installerPackageSetting.signatures.mSignatures) 12368 != PackageManager.SIGNATURE_MATCH) { 12369 throw new SecurityException( 12370 "Caller does not have same cert as new installer package " 12371 + installerPackageName); 12372 } 12373 } 12374 12375 // Verify: if target already has an installer package, it must 12376 // be signed with the same cert as the caller. 12377 if (targetPackageSetting.installerPackageName != null) { 12378 PackageSetting setting = mSettings.mPackages.get( 12379 targetPackageSetting.installerPackageName); 12380 // If the currently set package isn't valid, then it's always 12381 // okay to change it. 12382 if (setting != null) { 12383 if (compareSignatures(callerSignature, 12384 setting.signatures.mSignatures) 12385 != PackageManager.SIGNATURE_MATCH) { 12386 throw new SecurityException( 12387 "Caller does not have same cert as old installer package " 12388 + targetPackageSetting.installerPackageName); 12389 } 12390 } 12391 } 12392 12393 // Okay! 12394 targetPackageSetting.installerPackageName = installerPackageName; 12395 if (installerPackageName != null) { 12396 mSettings.mInstallerPackages.add(installerPackageName); 12397 } 12398 scheduleWriteSettingsLocked(); 12399 } 12400 } 12401 12402 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12403 // Queue up an async operation since the package installation may take a little while. 12404 mHandler.post(new Runnable() { 12405 public void run() { 12406 mHandler.removeCallbacks(this); 12407 // Result object to be returned 12408 PackageInstalledInfo res = new PackageInstalledInfo(); 12409 res.setReturnCode(currentStatus); 12410 res.uid = -1; 12411 res.pkg = null; 12412 res.removedInfo = null; 12413 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12414 args.doPreInstall(res.returnCode); 12415 synchronized (mInstallLock) { 12416 installPackageTracedLI(args, res); 12417 } 12418 args.doPostInstall(res.returnCode, res.uid); 12419 } 12420 12421 // A restore should be performed at this point if (a) the install 12422 // succeeded, (b) the operation is not an update, and (c) the new 12423 // package has not opted out of backup participation. 12424 final boolean update = res.removedInfo != null 12425 && res.removedInfo.removedPackage != null; 12426 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12427 boolean doRestore = !update 12428 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12429 12430 // Set up the post-install work request bookkeeping. This will be used 12431 // and cleaned up by the post-install event handling regardless of whether 12432 // there's a restore pass performed. Token values are >= 1. 12433 int token; 12434 if (mNextInstallToken < 0) mNextInstallToken = 1; 12435 token = mNextInstallToken++; 12436 12437 PostInstallData data = new PostInstallData(args, res); 12438 mRunningInstalls.put(token, data); 12439 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12440 12441 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12442 // Pass responsibility to the Backup Manager. It will perform a 12443 // restore if appropriate, then pass responsibility back to the 12444 // Package Manager to run the post-install observer callbacks 12445 // and broadcasts. 12446 IBackupManager bm = IBackupManager.Stub.asInterface( 12447 ServiceManager.getService(Context.BACKUP_SERVICE)); 12448 if (bm != null) { 12449 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12450 + " to BM for possible restore"); 12451 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12452 try { 12453 // TODO: http://b/22388012 12454 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12455 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12456 } else { 12457 doRestore = false; 12458 } 12459 } catch (RemoteException e) { 12460 // can't happen; the backup manager is local 12461 } catch (Exception e) { 12462 Slog.e(TAG, "Exception trying to enqueue restore", e); 12463 doRestore = false; 12464 } 12465 } else { 12466 Slog.e(TAG, "Backup Manager not found!"); 12467 doRestore = false; 12468 } 12469 } 12470 12471 if (!doRestore) { 12472 // No restore possible, or the Backup Manager was mysteriously not 12473 // available -- just fire the post-install work request directly. 12474 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12475 12476 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12477 12478 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12479 mHandler.sendMessage(msg); 12480 } 12481 } 12482 }); 12483 } 12484 12485 /** 12486 * Callback from PackageSettings whenever an app is first transitioned out of the 12487 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12488 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12489 * here whether the app is the target of an ongoing install, and only send the 12490 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12491 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12492 * handling. 12493 */ 12494 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12495 // Serialize this with the rest of the install-process message chain. In the 12496 // restore-at-install case, this Runnable will necessarily run before the 12497 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12498 // are coherent. In the non-restore case, the app has already completed install 12499 // and been launched through some other means, so it is not in a problematic 12500 // state for observers to see the FIRST_LAUNCH signal. 12501 mHandler.post(new Runnable() { 12502 @Override 12503 public void run() { 12504 for (int i = 0; i < mRunningInstalls.size(); i++) { 12505 final PostInstallData data = mRunningInstalls.valueAt(i); 12506 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12507 // right package; but is it for the right user? 12508 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12509 if (userId == data.res.newUsers[uIndex]) { 12510 if (DEBUG_BACKUP) { 12511 Slog.i(TAG, "Package " + pkgName 12512 + " being restored so deferring FIRST_LAUNCH"); 12513 } 12514 return; 12515 } 12516 } 12517 } 12518 } 12519 // didn't find it, so not being restored 12520 if (DEBUG_BACKUP) { 12521 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12522 } 12523 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12524 } 12525 }); 12526 } 12527 12528 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12529 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12530 installerPkg, null, userIds); 12531 } 12532 12533 private abstract class HandlerParams { 12534 private static final int MAX_RETRIES = 4; 12535 12536 /** 12537 * Number of times startCopy() has been attempted and had a non-fatal 12538 * error. 12539 */ 12540 private int mRetries = 0; 12541 12542 /** User handle for the user requesting the information or installation. */ 12543 private final UserHandle mUser; 12544 String traceMethod; 12545 int traceCookie; 12546 12547 HandlerParams(UserHandle user) { 12548 mUser = user; 12549 } 12550 12551 UserHandle getUser() { 12552 return mUser; 12553 } 12554 12555 HandlerParams setTraceMethod(String traceMethod) { 12556 this.traceMethod = traceMethod; 12557 return this; 12558 } 12559 12560 HandlerParams setTraceCookie(int traceCookie) { 12561 this.traceCookie = traceCookie; 12562 return this; 12563 } 12564 12565 final boolean startCopy() { 12566 boolean res; 12567 try { 12568 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12569 12570 if (++mRetries > MAX_RETRIES) { 12571 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12572 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12573 handleServiceError(); 12574 return false; 12575 } else { 12576 handleStartCopy(); 12577 res = true; 12578 } 12579 } catch (RemoteException e) { 12580 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12581 mHandler.sendEmptyMessage(MCS_RECONNECT); 12582 res = false; 12583 } 12584 handleReturnCode(); 12585 return res; 12586 } 12587 12588 final void serviceError() { 12589 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12590 handleServiceError(); 12591 handleReturnCode(); 12592 } 12593 12594 abstract void handleStartCopy() throws RemoteException; 12595 abstract void handleServiceError(); 12596 abstract void handleReturnCode(); 12597 } 12598 12599 class MeasureParams extends HandlerParams { 12600 private final PackageStats mStats; 12601 private boolean mSuccess; 12602 12603 private final IPackageStatsObserver mObserver; 12604 12605 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12606 super(new UserHandle(stats.userHandle)); 12607 mObserver = observer; 12608 mStats = stats; 12609 } 12610 12611 @Override 12612 public String toString() { 12613 return "MeasureParams{" 12614 + Integer.toHexString(System.identityHashCode(this)) 12615 + " " + mStats.packageName + "}"; 12616 } 12617 12618 @Override 12619 void handleStartCopy() throws RemoteException { 12620 synchronized (mInstallLock) { 12621 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12622 } 12623 12624 if (mSuccess) { 12625 boolean mounted = false; 12626 try { 12627 final String status = Environment.getExternalStorageState(); 12628 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12629 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12630 } catch (Exception e) { 12631 } 12632 12633 if (mounted) { 12634 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12635 12636 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12637 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12638 12639 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12640 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12641 12642 // Always subtract cache size, since it's a subdirectory 12643 mStats.externalDataSize -= mStats.externalCacheSize; 12644 12645 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12646 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12647 12648 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12649 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12650 } 12651 } 12652 } 12653 12654 @Override 12655 void handleReturnCode() { 12656 if (mObserver != null) { 12657 try { 12658 mObserver.onGetStatsCompleted(mStats, mSuccess); 12659 } catch (RemoteException e) { 12660 Slog.i(TAG, "Observer no longer exists."); 12661 } 12662 } 12663 } 12664 12665 @Override 12666 void handleServiceError() { 12667 Slog.e(TAG, "Could not measure application " + mStats.packageName 12668 + " external storage"); 12669 } 12670 } 12671 12672 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12673 throws RemoteException { 12674 long result = 0; 12675 for (File path : paths) { 12676 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12677 } 12678 return result; 12679 } 12680 12681 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12682 for (File path : paths) { 12683 try { 12684 mcs.clearDirectory(path.getAbsolutePath()); 12685 } catch (RemoteException e) { 12686 } 12687 } 12688 } 12689 12690 static class OriginInfo { 12691 /** 12692 * Location where install is coming from, before it has been 12693 * copied/renamed into place. This could be a single monolithic APK 12694 * file, or a cluster directory. This location may be untrusted. 12695 */ 12696 final File file; 12697 final String cid; 12698 12699 /** 12700 * Flag indicating that {@link #file} or {@link #cid} has already been 12701 * staged, meaning downstream users don't need to defensively copy the 12702 * contents. 12703 */ 12704 final boolean staged; 12705 12706 /** 12707 * Flag indicating that {@link #file} or {@link #cid} is an already 12708 * installed app that is being moved. 12709 */ 12710 final boolean existing; 12711 12712 final String resolvedPath; 12713 final File resolvedFile; 12714 12715 static OriginInfo fromNothing() { 12716 return new OriginInfo(null, null, false, false); 12717 } 12718 12719 static OriginInfo fromUntrustedFile(File file) { 12720 return new OriginInfo(file, null, false, false); 12721 } 12722 12723 static OriginInfo fromExistingFile(File file) { 12724 return new OriginInfo(file, null, false, true); 12725 } 12726 12727 static OriginInfo fromStagedFile(File file) { 12728 return new OriginInfo(file, null, true, false); 12729 } 12730 12731 static OriginInfo fromStagedContainer(String cid) { 12732 return new OriginInfo(null, cid, true, false); 12733 } 12734 12735 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12736 this.file = file; 12737 this.cid = cid; 12738 this.staged = staged; 12739 this.existing = existing; 12740 12741 if (cid != null) { 12742 resolvedPath = PackageHelper.getSdDir(cid); 12743 resolvedFile = new File(resolvedPath); 12744 } else if (file != null) { 12745 resolvedPath = file.getAbsolutePath(); 12746 resolvedFile = file; 12747 } else { 12748 resolvedPath = null; 12749 resolvedFile = null; 12750 } 12751 } 12752 } 12753 12754 static class MoveInfo { 12755 final int moveId; 12756 final String fromUuid; 12757 final String toUuid; 12758 final String packageName; 12759 final String dataAppName; 12760 final int appId; 12761 final String seinfo; 12762 final int targetSdkVersion; 12763 12764 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12765 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12766 this.moveId = moveId; 12767 this.fromUuid = fromUuid; 12768 this.toUuid = toUuid; 12769 this.packageName = packageName; 12770 this.dataAppName = dataAppName; 12771 this.appId = appId; 12772 this.seinfo = seinfo; 12773 this.targetSdkVersion = targetSdkVersion; 12774 } 12775 } 12776 12777 static class VerificationInfo { 12778 /** A constant used to indicate that a uid value is not present. */ 12779 public static final int NO_UID = -1; 12780 12781 /** URI referencing where the package was downloaded from. */ 12782 final Uri originatingUri; 12783 12784 /** HTTP referrer URI associated with the originatingURI. */ 12785 final Uri referrer; 12786 12787 /** UID of the application that the install request originated from. */ 12788 final int originatingUid; 12789 12790 /** UID of application requesting the install */ 12791 final int installerUid; 12792 12793 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12794 this.originatingUri = originatingUri; 12795 this.referrer = referrer; 12796 this.originatingUid = originatingUid; 12797 this.installerUid = installerUid; 12798 } 12799 } 12800 12801 class InstallParams extends HandlerParams { 12802 final OriginInfo origin; 12803 final MoveInfo move; 12804 final IPackageInstallObserver2 observer; 12805 int installFlags; 12806 final String installerPackageName; 12807 final String volumeUuid; 12808 private InstallArgs mArgs; 12809 private int mRet; 12810 final String packageAbiOverride; 12811 final String[] grantedRuntimePermissions; 12812 final VerificationInfo verificationInfo; 12813 final Certificate[][] certificates; 12814 12815 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12816 int installFlags, String installerPackageName, String volumeUuid, 12817 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12818 String[] grantedPermissions, Certificate[][] certificates) { 12819 super(user); 12820 this.origin = origin; 12821 this.move = move; 12822 this.observer = observer; 12823 this.installFlags = installFlags; 12824 this.installerPackageName = installerPackageName; 12825 this.volumeUuid = volumeUuid; 12826 this.verificationInfo = verificationInfo; 12827 this.packageAbiOverride = packageAbiOverride; 12828 this.grantedRuntimePermissions = grantedPermissions; 12829 this.certificates = certificates; 12830 } 12831 12832 @Override 12833 public String toString() { 12834 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12835 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12836 } 12837 12838 private int installLocationPolicy(PackageInfoLite pkgLite) { 12839 String packageName = pkgLite.packageName; 12840 int installLocation = pkgLite.installLocation; 12841 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12842 // reader 12843 synchronized (mPackages) { 12844 // Currently installed package which the new package is attempting to replace or 12845 // null if no such package is installed. 12846 PackageParser.Package installedPkg = mPackages.get(packageName); 12847 // Package which currently owns the data which the new package will own if installed. 12848 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12849 // will be null whereas dataOwnerPkg will contain information about the package 12850 // which was uninstalled while keeping its data. 12851 PackageParser.Package dataOwnerPkg = installedPkg; 12852 if (dataOwnerPkg == null) { 12853 PackageSetting ps = mSettings.mPackages.get(packageName); 12854 if (ps != null) { 12855 dataOwnerPkg = ps.pkg; 12856 } 12857 } 12858 12859 if (dataOwnerPkg != null) { 12860 // If installed, the package will get access to data left on the device by its 12861 // predecessor. As a security measure, this is permited only if this is not a 12862 // version downgrade or if the predecessor package is marked as debuggable and 12863 // a downgrade is explicitly requested. 12864 // 12865 // On debuggable platform builds, downgrades are permitted even for 12866 // non-debuggable packages to make testing easier. Debuggable platform builds do 12867 // not offer security guarantees and thus it's OK to disable some security 12868 // mechanisms to make debugging/testing easier on those builds. However, even on 12869 // debuggable builds downgrades of packages are permitted only if requested via 12870 // installFlags. This is because we aim to keep the behavior of debuggable 12871 // platform builds as close as possible to the behavior of non-debuggable 12872 // platform builds. 12873 final boolean downgradeRequested = 12874 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12875 final boolean packageDebuggable = 12876 (dataOwnerPkg.applicationInfo.flags 12877 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12878 final boolean downgradePermitted = 12879 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12880 if (!downgradePermitted) { 12881 try { 12882 checkDowngrade(dataOwnerPkg, pkgLite); 12883 } catch (PackageManagerException e) { 12884 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12885 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12886 } 12887 } 12888 } 12889 12890 if (installedPkg != null) { 12891 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12892 // Check for updated system application. 12893 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12894 if (onSd) { 12895 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12896 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12897 } 12898 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12899 } else { 12900 if (onSd) { 12901 // Install flag overrides everything. 12902 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12903 } 12904 // If current upgrade specifies particular preference 12905 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12906 // Application explicitly specified internal. 12907 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12908 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12909 // App explictly prefers external. Let policy decide 12910 } else { 12911 // Prefer previous location 12912 if (isExternal(installedPkg)) { 12913 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12914 } 12915 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12916 } 12917 } 12918 } else { 12919 // Invalid install. Return error code 12920 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12921 } 12922 } 12923 } 12924 // All the special cases have been taken care of. 12925 // Return result based on recommended install location. 12926 if (onSd) { 12927 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12928 } 12929 return pkgLite.recommendedInstallLocation; 12930 } 12931 12932 /* 12933 * Invoke remote method to get package information and install 12934 * location values. Override install location based on default 12935 * policy if needed and then create install arguments based 12936 * on the install location. 12937 */ 12938 public void handleStartCopy() throws RemoteException { 12939 int ret = PackageManager.INSTALL_SUCCEEDED; 12940 12941 // If we're already staged, we've firmly committed to an install location 12942 if (origin.staged) { 12943 if (origin.file != null) { 12944 installFlags |= PackageManager.INSTALL_INTERNAL; 12945 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12946 } else if (origin.cid != null) { 12947 installFlags |= PackageManager.INSTALL_EXTERNAL; 12948 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12949 } else { 12950 throw new IllegalStateException("Invalid stage location"); 12951 } 12952 } 12953 12954 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12955 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12956 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12957 PackageInfoLite pkgLite = null; 12958 12959 if (onInt && onSd) { 12960 // Check if both bits are set. 12961 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12962 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12963 } else if (onSd && ephemeral) { 12964 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12965 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12966 } else { 12967 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12968 packageAbiOverride); 12969 12970 if (DEBUG_EPHEMERAL && ephemeral) { 12971 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12972 } 12973 12974 /* 12975 * If we have too little free space, try to free cache 12976 * before giving up. 12977 */ 12978 if (!origin.staged && pkgLite.recommendedInstallLocation 12979 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12980 // TODO: focus freeing disk space on the target device 12981 final StorageManager storage = StorageManager.from(mContext); 12982 final long lowThreshold = storage.getStorageLowBytes( 12983 Environment.getDataDirectory()); 12984 12985 final long sizeBytes = mContainerService.calculateInstalledSize( 12986 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12987 12988 try { 12989 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12990 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12991 installFlags, packageAbiOverride); 12992 } catch (InstallerException e) { 12993 Slog.w(TAG, "Failed to free cache", e); 12994 } 12995 12996 /* 12997 * The cache free must have deleted the file we 12998 * downloaded to install. 12999 * 13000 * TODO: fix the "freeCache" call to not delete 13001 * the file we care about. 13002 */ 13003 if (pkgLite.recommendedInstallLocation 13004 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13005 pkgLite.recommendedInstallLocation 13006 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13007 } 13008 } 13009 } 13010 13011 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13012 int loc = pkgLite.recommendedInstallLocation; 13013 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13014 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13015 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13016 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13017 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13018 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13019 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13020 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13021 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13022 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13023 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13024 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13025 } else { 13026 // Override with defaults if needed. 13027 loc = installLocationPolicy(pkgLite); 13028 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13029 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13030 } else if (!onSd && !onInt) { 13031 // Override install location with flags 13032 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13033 // Set the flag to install on external media. 13034 installFlags |= PackageManager.INSTALL_EXTERNAL; 13035 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13036 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13037 if (DEBUG_EPHEMERAL) { 13038 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13039 } 13040 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13041 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13042 |PackageManager.INSTALL_INTERNAL); 13043 } else { 13044 // Make sure the flag for installing on external 13045 // media is unset 13046 installFlags |= PackageManager.INSTALL_INTERNAL; 13047 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13048 } 13049 } 13050 } 13051 } 13052 13053 final InstallArgs args = createInstallArgs(this); 13054 mArgs = args; 13055 13056 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13057 // TODO: http://b/22976637 13058 // Apps installed for "all" users use the device owner to verify the app 13059 UserHandle verifierUser = getUser(); 13060 if (verifierUser == UserHandle.ALL) { 13061 verifierUser = UserHandle.SYSTEM; 13062 } 13063 13064 /* 13065 * Determine if we have any installed package verifiers. If we 13066 * do, then we'll defer to them to verify the packages. 13067 */ 13068 final int requiredUid = mRequiredVerifierPackage == null ? -1 13069 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13070 verifierUser.getIdentifier()); 13071 if (!origin.existing && requiredUid != -1 13072 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13073 final Intent verification = new Intent( 13074 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13075 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13076 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13077 PACKAGE_MIME_TYPE); 13078 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13079 13080 // Query all live verifiers based on current user state 13081 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13082 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13083 13084 if (DEBUG_VERIFY) { 13085 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13086 + verification.toString() + " with " + pkgLite.verifiers.length 13087 + " optional verifiers"); 13088 } 13089 13090 final int verificationId = mPendingVerificationToken++; 13091 13092 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13093 13094 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13095 installerPackageName); 13096 13097 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13098 installFlags); 13099 13100 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13101 pkgLite.packageName); 13102 13103 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13104 pkgLite.versionCode); 13105 13106 if (verificationInfo != null) { 13107 if (verificationInfo.originatingUri != null) { 13108 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13109 verificationInfo.originatingUri); 13110 } 13111 if (verificationInfo.referrer != null) { 13112 verification.putExtra(Intent.EXTRA_REFERRER, 13113 verificationInfo.referrer); 13114 } 13115 if (verificationInfo.originatingUid >= 0) { 13116 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13117 verificationInfo.originatingUid); 13118 } 13119 if (verificationInfo.installerUid >= 0) { 13120 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13121 verificationInfo.installerUid); 13122 } 13123 } 13124 13125 final PackageVerificationState verificationState = new PackageVerificationState( 13126 requiredUid, args); 13127 13128 mPendingVerification.append(verificationId, verificationState); 13129 13130 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13131 receivers, verificationState); 13132 13133 /* 13134 * If any sufficient verifiers were listed in the package 13135 * manifest, attempt to ask them. 13136 */ 13137 if (sufficientVerifiers != null) { 13138 final int N = sufficientVerifiers.size(); 13139 if (N == 0) { 13140 Slog.i(TAG, "Additional verifiers required, but none installed."); 13141 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13142 } else { 13143 for (int i = 0; i < N; i++) { 13144 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13145 13146 final Intent sufficientIntent = new Intent(verification); 13147 sufficientIntent.setComponent(verifierComponent); 13148 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13149 } 13150 } 13151 } 13152 13153 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13154 mRequiredVerifierPackage, receivers); 13155 if (ret == PackageManager.INSTALL_SUCCEEDED 13156 && mRequiredVerifierPackage != null) { 13157 Trace.asyncTraceBegin( 13158 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13159 /* 13160 * Send the intent to the required verification agent, 13161 * but only start the verification timeout after the 13162 * target BroadcastReceivers have run. 13163 */ 13164 verification.setComponent(requiredVerifierComponent); 13165 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13166 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13167 new BroadcastReceiver() { 13168 @Override 13169 public void onReceive(Context context, Intent intent) { 13170 final Message msg = mHandler 13171 .obtainMessage(CHECK_PENDING_VERIFICATION); 13172 msg.arg1 = verificationId; 13173 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13174 } 13175 }, null, 0, null, null); 13176 13177 /* 13178 * We don't want the copy to proceed until verification 13179 * succeeds, so null out this field. 13180 */ 13181 mArgs = null; 13182 } 13183 } else { 13184 /* 13185 * No package verification is enabled, so immediately start 13186 * the remote call to initiate copy using temporary file. 13187 */ 13188 ret = args.copyApk(mContainerService, true); 13189 } 13190 } 13191 13192 mRet = ret; 13193 } 13194 13195 @Override 13196 void handleReturnCode() { 13197 // If mArgs is null, then MCS couldn't be reached. When it 13198 // reconnects, it will try again to install. At that point, this 13199 // will succeed. 13200 if (mArgs != null) { 13201 processPendingInstall(mArgs, mRet); 13202 } 13203 } 13204 13205 @Override 13206 void handleServiceError() { 13207 mArgs = createInstallArgs(this); 13208 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13209 } 13210 13211 public boolean isForwardLocked() { 13212 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13213 } 13214 } 13215 13216 /** 13217 * Used during creation of InstallArgs 13218 * 13219 * @param installFlags package installation flags 13220 * @return true if should be installed on external storage 13221 */ 13222 private static boolean installOnExternalAsec(int installFlags) { 13223 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13224 return false; 13225 } 13226 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13227 return true; 13228 } 13229 return false; 13230 } 13231 13232 /** 13233 * Used during creation of InstallArgs 13234 * 13235 * @param installFlags package installation flags 13236 * @return true if should be installed as forward locked 13237 */ 13238 private static boolean installForwardLocked(int installFlags) { 13239 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13240 } 13241 13242 private InstallArgs createInstallArgs(InstallParams params) { 13243 if (params.move != null) { 13244 return new MoveInstallArgs(params); 13245 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13246 return new AsecInstallArgs(params); 13247 } else { 13248 return new FileInstallArgs(params); 13249 } 13250 } 13251 13252 /** 13253 * Create args that describe an existing installed package. Typically used 13254 * when cleaning up old installs, or used as a move source. 13255 */ 13256 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13257 String resourcePath, String[] instructionSets) { 13258 final boolean isInAsec; 13259 if (installOnExternalAsec(installFlags)) { 13260 /* Apps on SD card are always in ASEC containers. */ 13261 isInAsec = true; 13262 } else if (installForwardLocked(installFlags) 13263 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13264 /* 13265 * Forward-locked apps are only in ASEC containers if they're the 13266 * new style 13267 */ 13268 isInAsec = true; 13269 } else { 13270 isInAsec = false; 13271 } 13272 13273 if (isInAsec) { 13274 return new AsecInstallArgs(codePath, instructionSets, 13275 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13276 } else { 13277 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13278 } 13279 } 13280 13281 static abstract class InstallArgs { 13282 /** @see InstallParams#origin */ 13283 final OriginInfo origin; 13284 /** @see InstallParams#move */ 13285 final MoveInfo move; 13286 13287 final IPackageInstallObserver2 observer; 13288 // Always refers to PackageManager flags only 13289 final int installFlags; 13290 final String installerPackageName; 13291 final String volumeUuid; 13292 final UserHandle user; 13293 final String abiOverride; 13294 final String[] installGrantPermissions; 13295 /** If non-null, drop an async trace when the install completes */ 13296 final String traceMethod; 13297 final int traceCookie; 13298 final Certificate[][] certificates; 13299 13300 // The list of instruction sets supported by this app. This is currently 13301 // only used during the rmdex() phase to clean up resources. We can get rid of this 13302 // if we move dex files under the common app path. 13303 /* nullable */ String[] instructionSets; 13304 13305 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13306 int installFlags, String installerPackageName, String volumeUuid, 13307 UserHandle user, String[] instructionSets, 13308 String abiOverride, String[] installGrantPermissions, 13309 String traceMethod, int traceCookie, Certificate[][] certificates) { 13310 this.origin = origin; 13311 this.move = move; 13312 this.installFlags = installFlags; 13313 this.observer = observer; 13314 this.installerPackageName = installerPackageName; 13315 this.volumeUuid = volumeUuid; 13316 this.user = user; 13317 this.instructionSets = instructionSets; 13318 this.abiOverride = abiOverride; 13319 this.installGrantPermissions = installGrantPermissions; 13320 this.traceMethod = traceMethod; 13321 this.traceCookie = traceCookie; 13322 this.certificates = certificates; 13323 } 13324 13325 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13326 abstract int doPreInstall(int status); 13327 13328 /** 13329 * Rename package into final resting place. All paths on the given 13330 * scanned package should be updated to reflect the rename. 13331 */ 13332 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13333 abstract int doPostInstall(int status, int uid); 13334 13335 /** @see PackageSettingBase#codePathString */ 13336 abstract String getCodePath(); 13337 /** @see PackageSettingBase#resourcePathString */ 13338 abstract String getResourcePath(); 13339 13340 // Need installer lock especially for dex file removal. 13341 abstract void cleanUpResourcesLI(); 13342 abstract boolean doPostDeleteLI(boolean delete); 13343 13344 /** 13345 * Called before the source arguments are copied. This is used mostly 13346 * for MoveParams when it needs to read the source file to put it in the 13347 * destination. 13348 */ 13349 int doPreCopy() { 13350 return PackageManager.INSTALL_SUCCEEDED; 13351 } 13352 13353 /** 13354 * Called after the source arguments are copied. This is used mostly for 13355 * MoveParams when it needs to read the source file to put it in the 13356 * destination. 13357 */ 13358 int doPostCopy(int uid) { 13359 return PackageManager.INSTALL_SUCCEEDED; 13360 } 13361 13362 protected boolean isFwdLocked() { 13363 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13364 } 13365 13366 protected boolean isExternalAsec() { 13367 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13368 } 13369 13370 protected boolean isEphemeral() { 13371 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13372 } 13373 13374 UserHandle getUser() { 13375 return user; 13376 } 13377 } 13378 13379 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13380 if (!allCodePaths.isEmpty()) { 13381 if (instructionSets == null) { 13382 throw new IllegalStateException("instructionSet == null"); 13383 } 13384 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13385 for (String codePath : allCodePaths) { 13386 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13387 try { 13388 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13389 } catch (InstallerException ignored) { 13390 } 13391 } 13392 } 13393 } 13394 } 13395 13396 /** 13397 * Logic to handle installation of non-ASEC applications, including copying 13398 * and renaming logic. 13399 */ 13400 class FileInstallArgs extends InstallArgs { 13401 private File codeFile; 13402 private File resourceFile; 13403 13404 // Example topology: 13405 // /data/app/com.example/base.apk 13406 // /data/app/com.example/split_foo.apk 13407 // /data/app/com.example/lib/arm/libfoo.so 13408 // /data/app/com.example/lib/arm64/libfoo.so 13409 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13410 13411 /** New install */ 13412 FileInstallArgs(InstallParams params) { 13413 super(params.origin, params.move, params.observer, params.installFlags, 13414 params.installerPackageName, params.volumeUuid, 13415 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13416 params.grantedRuntimePermissions, 13417 params.traceMethod, params.traceCookie, params.certificates); 13418 if (isFwdLocked()) { 13419 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13420 } 13421 } 13422 13423 /** Existing install */ 13424 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13425 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13426 null, null, null, 0, null /*certificates*/); 13427 this.codeFile = (codePath != null) ? new File(codePath) : null; 13428 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13429 } 13430 13431 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13432 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13433 try { 13434 return doCopyApk(imcs, temp); 13435 } finally { 13436 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13437 } 13438 } 13439 13440 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13441 if (origin.staged) { 13442 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13443 codeFile = origin.file; 13444 resourceFile = origin.file; 13445 return PackageManager.INSTALL_SUCCEEDED; 13446 } 13447 13448 try { 13449 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13450 final File tempDir = 13451 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13452 codeFile = tempDir; 13453 resourceFile = tempDir; 13454 } catch (IOException e) { 13455 Slog.w(TAG, "Failed to create copy file: " + e); 13456 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13457 } 13458 13459 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13460 @Override 13461 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13462 if (!FileUtils.isValidExtFilename(name)) { 13463 throw new IllegalArgumentException("Invalid filename: " + name); 13464 } 13465 try { 13466 final File file = new File(codeFile, name); 13467 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13468 O_RDWR | O_CREAT, 0644); 13469 Os.chmod(file.getAbsolutePath(), 0644); 13470 return new ParcelFileDescriptor(fd); 13471 } catch (ErrnoException e) { 13472 throw new RemoteException("Failed to open: " + e.getMessage()); 13473 } 13474 } 13475 }; 13476 13477 int ret = PackageManager.INSTALL_SUCCEEDED; 13478 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13479 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13480 Slog.e(TAG, "Failed to copy package"); 13481 return ret; 13482 } 13483 13484 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13485 NativeLibraryHelper.Handle handle = null; 13486 try { 13487 handle = NativeLibraryHelper.Handle.create(codeFile); 13488 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13489 abiOverride); 13490 } catch (IOException e) { 13491 Slog.e(TAG, "Copying native libraries failed", e); 13492 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13493 } finally { 13494 IoUtils.closeQuietly(handle); 13495 } 13496 13497 return ret; 13498 } 13499 13500 int doPreInstall(int status) { 13501 if (status != PackageManager.INSTALL_SUCCEEDED) { 13502 cleanUp(); 13503 } 13504 return status; 13505 } 13506 13507 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13508 if (status != PackageManager.INSTALL_SUCCEEDED) { 13509 cleanUp(); 13510 return false; 13511 } 13512 13513 final File targetDir = codeFile.getParentFile(); 13514 final File beforeCodeFile = codeFile; 13515 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13516 13517 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13518 try { 13519 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13520 } catch (ErrnoException e) { 13521 Slog.w(TAG, "Failed to rename", e); 13522 return false; 13523 } 13524 13525 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13526 Slog.w(TAG, "Failed to restorecon"); 13527 return false; 13528 } 13529 13530 // Reflect the rename internally 13531 codeFile = afterCodeFile; 13532 resourceFile = afterCodeFile; 13533 13534 // Reflect the rename in scanned details 13535 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13536 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13537 afterCodeFile, pkg.baseCodePath)); 13538 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13539 afterCodeFile, pkg.splitCodePaths)); 13540 13541 // Reflect the rename in app info 13542 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13543 pkg.setApplicationInfoCodePath(pkg.codePath); 13544 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13545 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13546 pkg.setApplicationInfoResourcePath(pkg.codePath); 13547 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13548 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13549 13550 return true; 13551 } 13552 13553 int doPostInstall(int status, int uid) { 13554 if (status != PackageManager.INSTALL_SUCCEEDED) { 13555 cleanUp(); 13556 } 13557 return status; 13558 } 13559 13560 @Override 13561 String getCodePath() { 13562 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13563 } 13564 13565 @Override 13566 String getResourcePath() { 13567 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13568 } 13569 13570 private boolean cleanUp() { 13571 if (codeFile == null || !codeFile.exists()) { 13572 return false; 13573 } 13574 13575 removeCodePathLI(codeFile); 13576 13577 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13578 resourceFile.delete(); 13579 } 13580 13581 return true; 13582 } 13583 13584 void cleanUpResourcesLI() { 13585 // Try enumerating all code paths before deleting 13586 List<String> allCodePaths = Collections.EMPTY_LIST; 13587 if (codeFile != null && codeFile.exists()) { 13588 try { 13589 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13590 allCodePaths = pkg.getAllCodePaths(); 13591 } catch (PackageParserException e) { 13592 // Ignored; we tried our best 13593 } 13594 } 13595 13596 cleanUp(); 13597 removeDexFiles(allCodePaths, instructionSets); 13598 } 13599 13600 boolean doPostDeleteLI(boolean delete) { 13601 // XXX err, shouldn't we respect the delete flag? 13602 cleanUpResourcesLI(); 13603 return true; 13604 } 13605 } 13606 13607 private boolean isAsecExternal(String cid) { 13608 final String asecPath = PackageHelper.getSdFilesystem(cid); 13609 return !asecPath.startsWith(mAsecInternalPath); 13610 } 13611 13612 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13613 PackageManagerException { 13614 if (copyRet < 0) { 13615 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13616 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13617 throw new PackageManagerException(copyRet, message); 13618 } 13619 } 13620 } 13621 13622 /** 13623 * Extract the MountService "container ID" from the full code path of an 13624 * .apk. 13625 */ 13626 static String cidFromCodePath(String fullCodePath) { 13627 int eidx = fullCodePath.lastIndexOf("/"); 13628 String subStr1 = fullCodePath.substring(0, eidx); 13629 int sidx = subStr1.lastIndexOf("/"); 13630 return subStr1.substring(sidx+1, eidx); 13631 } 13632 13633 /** 13634 * Logic to handle installation of ASEC applications, including copying and 13635 * renaming logic. 13636 */ 13637 class AsecInstallArgs extends InstallArgs { 13638 static final String RES_FILE_NAME = "pkg.apk"; 13639 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13640 13641 String cid; 13642 String packagePath; 13643 String resourcePath; 13644 13645 /** New install */ 13646 AsecInstallArgs(InstallParams params) { 13647 super(params.origin, params.move, params.observer, params.installFlags, 13648 params.installerPackageName, params.volumeUuid, 13649 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13650 params.grantedRuntimePermissions, 13651 params.traceMethod, params.traceCookie, params.certificates); 13652 } 13653 13654 /** Existing install */ 13655 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13656 boolean isExternal, boolean isForwardLocked) { 13657 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13658 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13659 instructionSets, null, null, null, 0, null /*certificates*/); 13660 // Hackily pretend we're still looking at a full code path 13661 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13662 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13663 } 13664 13665 // Extract cid from fullCodePath 13666 int eidx = fullCodePath.lastIndexOf("/"); 13667 String subStr1 = fullCodePath.substring(0, eidx); 13668 int sidx = subStr1.lastIndexOf("/"); 13669 cid = subStr1.substring(sidx+1, eidx); 13670 setMountPath(subStr1); 13671 } 13672 13673 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13674 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13675 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13676 instructionSets, null, null, null, 0, null /*certificates*/); 13677 this.cid = cid; 13678 setMountPath(PackageHelper.getSdDir(cid)); 13679 } 13680 13681 void createCopyFile() { 13682 cid = mInstallerService.allocateExternalStageCidLegacy(); 13683 } 13684 13685 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13686 if (origin.staged && origin.cid != null) { 13687 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13688 cid = origin.cid; 13689 setMountPath(PackageHelper.getSdDir(cid)); 13690 return PackageManager.INSTALL_SUCCEEDED; 13691 } 13692 13693 if (temp) { 13694 createCopyFile(); 13695 } else { 13696 /* 13697 * Pre-emptively destroy the container since it's destroyed if 13698 * copying fails due to it existing anyway. 13699 */ 13700 PackageHelper.destroySdDir(cid); 13701 } 13702 13703 final String newMountPath = imcs.copyPackageToContainer( 13704 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13705 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13706 13707 if (newMountPath != null) { 13708 setMountPath(newMountPath); 13709 return PackageManager.INSTALL_SUCCEEDED; 13710 } else { 13711 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13712 } 13713 } 13714 13715 @Override 13716 String getCodePath() { 13717 return packagePath; 13718 } 13719 13720 @Override 13721 String getResourcePath() { 13722 return resourcePath; 13723 } 13724 13725 int doPreInstall(int status) { 13726 if (status != PackageManager.INSTALL_SUCCEEDED) { 13727 // Destroy container 13728 PackageHelper.destroySdDir(cid); 13729 } else { 13730 boolean mounted = PackageHelper.isContainerMounted(cid); 13731 if (!mounted) { 13732 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13733 Process.SYSTEM_UID); 13734 if (newMountPath != null) { 13735 setMountPath(newMountPath); 13736 } else { 13737 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13738 } 13739 } 13740 } 13741 return status; 13742 } 13743 13744 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13745 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13746 String newMountPath = null; 13747 if (PackageHelper.isContainerMounted(cid)) { 13748 // Unmount the container 13749 if (!PackageHelper.unMountSdDir(cid)) { 13750 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13751 return false; 13752 } 13753 } 13754 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13755 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13756 " which might be stale. Will try to clean up."); 13757 // Clean up the stale container and proceed to recreate. 13758 if (!PackageHelper.destroySdDir(newCacheId)) { 13759 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13760 return false; 13761 } 13762 // Successfully cleaned up stale container. Try to rename again. 13763 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13764 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13765 + " inspite of cleaning it up."); 13766 return false; 13767 } 13768 } 13769 if (!PackageHelper.isContainerMounted(newCacheId)) { 13770 Slog.w(TAG, "Mounting container " + newCacheId); 13771 newMountPath = PackageHelper.mountSdDir(newCacheId, 13772 getEncryptKey(), Process.SYSTEM_UID); 13773 } else { 13774 newMountPath = PackageHelper.getSdDir(newCacheId); 13775 } 13776 if (newMountPath == null) { 13777 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13778 return false; 13779 } 13780 Log.i(TAG, "Succesfully renamed " + cid + 13781 " to " + newCacheId + 13782 " at new path: " + newMountPath); 13783 cid = newCacheId; 13784 13785 final File beforeCodeFile = new File(packagePath); 13786 setMountPath(newMountPath); 13787 final File afterCodeFile = new File(packagePath); 13788 13789 // Reflect the rename in scanned details 13790 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13791 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13792 afterCodeFile, pkg.baseCodePath)); 13793 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13794 afterCodeFile, pkg.splitCodePaths)); 13795 13796 // Reflect the rename in app info 13797 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13798 pkg.setApplicationInfoCodePath(pkg.codePath); 13799 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13800 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13801 pkg.setApplicationInfoResourcePath(pkg.codePath); 13802 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13803 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13804 13805 return true; 13806 } 13807 13808 private void setMountPath(String mountPath) { 13809 final File mountFile = new File(mountPath); 13810 13811 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13812 if (monolithicFile.exists()) { 13813 packagePath = monolithicFile.getAbsolutePath(); 13814 if (isFwdLocked()) { 13815 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13816 } else { 13817 resourcePath = packagePath; 13818 } 13819 } else { 13820 packagePath = mountFile.getAbsolutePath(); 13821 resourcePath = packagePath; 13822 } 13823 } 13824 13825 int doPostInstall(int status, int uid) { 13826 if (status != PackageManager.INSTALL_SUCCEEDED) { 13827 cleanUp(); 13828 } else { 13829 final int groupOwner; 13830 final String protectedFile; 13831 if (isFwdLocked()) { 13832 groupOwner = UserHandle.getSharedAppGid(uid); 13833 protectedFile = RES_FILE_NAME; 13834 } else { 13835 groupOwner = -1; 13836 protectedFile = null; 13837 } 13838 13839 if (uid < Process.FIRST_APPLICATION_UID 13840 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13841 Slog.e(TAG, "Failed to finalize " + cid); 13842 PackageHelper.destroySdDir(cid); 13843 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13844 } 13845 13846 boolean mounted = PackageHelper.isContainerMounted(cid); 13847 if (!mounted) { 13848 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13849 } 13850 } 13851 return status; 13852 } 13853 13854 private void cleanUp() { 13855 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13856 13857 // Destroy secure container 13858 PackageHelper.destroySdDir(cid); 13859 } 13860 13861 private List<String> getAllCodePaths() { 13862 final File codeFile = new File(getCodePath()); 13863 if (codeFile != null && codeFile.exists()) { 13864 try { 13865 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13866 return pkg.getAllCodePaths(); 13867 } catch (PackageParserException e) { 13868 // Ignored; we tried our best 13869 } 13870 } 13871 return Collections.EMPTY_LIST; 13872 } 13873 13874 void cleanUpResourcesLI() { 13875 // Enumerate all code paths before deleting 13876 cleanUpResourcesLI(getAllCodePaths()); 13877 } 13878 13879 private void cleanUpResourcesLI(List<String> allCodePaths) { 13880 cleanUp(); 13881 removeDexFiles(allCodePaths, instructionSets); 13882 } 13883 13884 String getPackageName() { 13885 return getAsecPackageName(cid); 13886 } 13887 13888 boolean doPostDeleteLI(boolean delete) { 13889 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13890 final List<String> allCodePaths = getAllCodePaths(); 13891 boolean mounted = PackageHelper.isContainerMounted(cid); 13892 if (mounted) { 13893 // Unmount first 13894 if (PackageHelper.unMountSdDir(cid)) { 13895 mounted = false; 13896 } 13897 } 13898 if (!mounted && delete) { 13899 cleanUpResourcesLI(allCodePaths); 13900 } 13901 return !mounted; 13902 } 13903 13904 @Override 13905 int doPreCopy() { 13906 if (isFwdLocked()) { 13907 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13908 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13909 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13910 } 13911 } 13912 13913 return PackageManager.INSTALL_SUCCEEDED; 13914 } 13915 13916 @Override 13917 int doPostCopy(int uid) { 13918 if (isFwdLocked()) { 13919 if (uid < Process.FIRST_APPLICATION_UID 13920 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13921 RES_FILE_NAME)) { 13922 Slog.e(TAG, "Failed to finalize " + cid); 13923 PackageHelper.destroySdDir(cid); 13924 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13925 } 13926 } 13927 13928 return PackageManager.INSTALL_SUCCEEDED; 13929 } 13930 } 13931 13932 /** 13933 * Logic to handle movement of existing installed applications. 13934 */ 13935 class MoveInstallArgs extends InstallArgs { 13936 private File codeFile; 13937 private File resourceFile; 13938 13939 /** New install */ 13940 MoveInstallArgs(InstallParams params) { 13941 super(params.origin, params.move, params.observer, params.installFlags, 13942 params.installerPackageName, params.volumeUuid, 13943 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13944 params.grantedRuntimePermissions, 13945 params.traceMethod, params.traceCookie, params.certificates); 13946 } 13947 13948 int copyApk(IMediaContainerService imcs, boolean temp) { 13949 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13950 + move.fromUuid + " to " + move.toUuid); 13951 synchronized (mInstaller) { 13952 try { 13953 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13954 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13955 } catch (InstallerException e) { 13956 Slog.w(TAG, "Failed to move app", e); 13957 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13958 } 13959 } 13960 13961 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13962 resourceFile = codeFile; 13963 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13964 13965 return PackageManager.INSTALL_SUCCEEDED; 13966 } 13967 13968 int doPreInstall(int status) { 13969 if (status != PackageManager.INSTALL_SUCCEEDED) { 13970 cleanUp(move.toUuid); 13971 } 13972 return status; 13973 } 13974 13975 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13976 if (status != PackageManager.INSTALL_SUCCEEDED) { 13977 cleanUp(move.toUuid); 13978 return false; 13979 } 13980 13981 // Reflect the move in app info 13982 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13983 pkg.setApplicationInfoCodePath(pkg.codePath); 13984 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13985 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13986 pkg.setApplicationInfoResourcePath(pkg.codePath); 13987 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13988 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13989 13990 return true; 13991 } 13992 13993 int doPostInstall(int status, int uid) { 13994 if (status == PackageManager.INSTALL_SUCCEEDED) { 13995 cleanUp(move.fromUuid); 13996 } else { 13997 cleanUp(move.toUuid); 13998 } 13999 return status; 14000 } 14001 14002 @Override 14003 String getCodePath() { 14004 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14005 } 14006 14007 @Override 14008 String getResourcePath() { 14009 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14010 } 14011 14012 private boolean cleanUp(String volumeUuid) { 14013 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14014 move.dataAppName); 14015 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14016 final int[] userIds = sUserManager.getUserIds(); 14017 synchronized (mInstallLock) { 14018 // Clean up both app data and code 14019 // All package moves are frozen until finished 14020 for (int userId : userIds) { 14021 try { 14022 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14023 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14024 } catch (InstallerException e) { 14025 Slog.w(TAG, String.valueOf(e)); 14026 } 14027 } 14028 removeCodePathLI(codeFile); 14029 } 14030 return true; 14031 } 14032 14033 void cleanUpResourcesLI() { 14034 throw new UnsupportedOperationException(); 14035 } 14036 14037 boolean doPostDeleteLI(boolean delete) { 14038 throw new UnsupportedOperationException(); 14039 } 14040 } 14041 14042 static String getAsecPackageName(String packageCid) { 14043 int idx = packageCid.lastIndexOf("-"); 14044 if (idx == -1) { 14045 return packageCid; 14046 } 14047 return packageCid.substring(0, idx); 14048 } 14049 14050 // Utility method used to create code paths based on package name and available index. 14051 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14052 String idxStr = ""; 14053 int idx = 1; 14054 // Fall back to default value of idx=1 if prefix is not 14055 // part of oldCodePath 14056 if (oldCodePath != null) { 14057 String subStr = oldCodePath; 14058 // Drop the suffix right away 14059 if (suffix != null && subStr.endsWith(suffix)) { 14060 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14061 } 14062 // If oldCodePath already contains prefix find out the 14063 // ending index to either increment or decrement. 14064 int sidx = subStr.lastIndexOf(prefix); 14065 if (sidx != -1) { 14066 subStr = subStr.substring(sidx + prefix.length()); 14067 if (subStr != null) { 14068 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14069 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14070 } 14071 try { 14072 idx = Integer.parseInt(subStr); 14073 if (idx <= 1) { 14074 idx++; 14075 } else { 14076 idx--; 14077 } 14078 } catch(NumberFormatException e) { 14079 } 14080 } 14081 } 14082 } 14083 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14084 return prefix + idxStr; 14085 } 14086 14087 private File getNextCodePath(File targetDir, String packageName) { 14088 int suffix = 1; 14089 File result; 14090 do { 14091 result = new File(targetDir, packageName + "-" + suffix); 14092 suffix++; 14093 } while (result.exists()); 14094 return result; 14095 } 14096 14097 // Utility method that returns the relative package path with respect 14098 // to the installation directory. Like say for /data/data/com.test-1.apk 14099 // string com.test-1 is returned. 14100 static String deriveCodePathName(String codePath) { 14101 if (codePath == null) { 14102 return null; 14103 } 14104 final File codeFile = new File(codePath); 14105 final String name = codeFile.getName(); 14106 if (codeFile.isDirectory()) { 14107 return name; 14108 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14109 final int lastDot = name.lastIndexOf('.'); 14110 return name.substring(0, lastDot); 14111 } else { 14112 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14113 return null; 14114 } 14115 } 14116 14117 static class PackageInstalledInfo { 14118 String name; 14119 int uid; 14120 // The set of users that originally had this package installed. 14121 int[] origUsers; 14122 // The set of users that now have this package installed. 14123 int[] newUsers; 14124 PackageParser.Package pkg; 14125 int returnCode; 14126 String returnMsg; 14127 PackageRemovedInfo removedInfo; 14128 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14129 14130 public void setError(int code, String msg) { 14131 setReturnCode(code); 14132 setReturnMessage(msg); 14133 Slog.w(TAG, msg); 14134 } 14135 14136 public void setError(String msg, PackageParserException e) { 14137 setReturnCode(e.error); 14138 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14139 Slog.w(TAG, msg, e); 14140 } 14141 14142 public void setError(String msg, PackageManagerException e) { 14143 returnCode = e.error; 14144 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14145 Slog.w(TAG, msg, e); 14146 } 14147 14148 public void setReturnCode(int returnCode) { 14149 this.returnCode = returnCode; 14150 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14151 for (int i = 0; i < childCount; i++) { 14152 addedChildPackages.valueAt(i).returnCode = returnCode; 14153 } 14154 } 14155 14156 private void setReturnMessage(String returnMsg) { 14157 this.returnMsg = returnMsg; 14158 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14159 for (int i = 0; i < childCount; i++) { 14160 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14161 } 14162 } 14163 14164 // In some error cases we want to convey more info back to the observer 14165 String origPackage; 14166 String origPermission; 14167 } 14168 14169 /* 14170 * Install a non-existing package. 14171 */ 14172 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14173 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14174 PackageInstalledInfo res) { 14175 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14176 14177 // Remember this for later, in case we need to rollback this install 14178 String pkgName = pkg.packageName; 14179 14180 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14181 14182 synchronized(mPackages) { 14183 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14184 // A package with the same name is already installed, though 14185 // it has been renamed to an older name. The package we 14186 // are trying to install should be installed as an update to 14187 // the existing one, but that has not been requested, so bail. 14188 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14189 + " without first uninstalling package running as " 14190 + mSettings.mRenamedPackages.get(pkgName)); 14191 return; 14192 } 14193 if (mPackages.containsKey(pkgName)) { 14194 // Don't allow installation over an existing package with the same name. 14195 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14196 + " without first uninstalling."); 14197 return; 14198 } 14199 } 14200 14201 try { 14202 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14203 System.currentTimeMillis(), user); 14204 14205 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14206 14207 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14208 prepareAppDataAfterInstallLIF(newPackage); 14209 14210 } else { 14211 // Remove package from internal structures, but keep around any 14212 // data that might have already existed 14213 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14214 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14215 } 14216 } catch (PackageManagerException e) { 14217 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14218 } 14219 14220 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14221 } 14222 14223 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14224 // Can't rotate keys during boot or if sharedUser. 14225 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14226 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14227 return false; 14228 } 14229 // app is using upgradeKeySets; make sure all are valid 14230 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14231 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14232 for (int i = 0; i < upgradeKeySets.length; i++) { 14233 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14234 Slog.wtf(TAG, "Package " 14235 + (oldPs.name != null ? oldPs.name : "<null>") 14236 + " contains upgrade-key-set reference to unknown key-set: " 14237 + upgradeKeySets[i] 14238 + " reverting to signatures check."); 14239 return false; 14240 } 14241 } 14242 return true; 14243 } 14244 14245 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14246 // Upgrade keysets are being used. Determine if new package has a superset of the 14247 // required keys. 14248 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14249 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14250 for (int i = 0; i < upgradeKeySets.length; i++) { 14251 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14252 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14253 return true; 14254 } 14255 } 14256 return false; 14257 } 14258 14259 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14260 try (DigestInputStream digestStream = 14261 new DigestInputStream(new FileInputStream(file), digest)) { 14262 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14263 } 14264 } 14265 14266 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14267 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14268 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14269 14270 final PackageParser.Package oldPackage; 14271 final String pkgName = pkg.packageName; 14272 final int[] allUsers; 14273 final int[] installedUsers; 14274 14275 synchronized(mPackages) { 14276 oldPackage = mPackages.get(pkgName); 14277 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14278 14279 // don't allow upgrade to target a release SDK from a pre-release SDK 14280 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14281 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14282 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14283 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14284 if (oldTargetsPreRelease 14285 && !newTargetsPreRelease 14286 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14287 Slog.w(TAG, "Can't install package targeting released sdk"); 14288 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14289 return; 14290 } 14291 14292 // don't allow an upgrade from full to ephemeral 14293 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14294 if (isEphemeral && !oldIsEphemeral) { 14295 // can't downgrade from full to ephemeral 14296 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14297 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14298 return; 14299 } 14300 14301 // verify signatures are valid 14302 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14303 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14304 if (!checkUpgradeKeySetLP(ps, pkg)) { 14305 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14306 "New package not signed by keys specified by upgrade-keysets: " 14307 + pkgName); 14308 return; 14309 } 14310 } else { 14311 // default to original signature matching 14312 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14313 != PackageManager.SIGNATURE_MATCH) { 14314 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14315 "New package has a different signature: " + pkgName); 14316 return; 14317 } 14318 } 14319 14320 // don't allow a system upgrade unless the upgrade hash matches 14321 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14322 byte[] digestBytes = null; 14323 try { 14324 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14325 updateDigest(digest, new File(pkg.baseCodePath)); 14326 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14327 for (String path : pkg.splitCodePaths) { 14328 updateDigest(digest, new File(path)); 14329 } 14330 } 14331 digestBytes = digest.digest(); 14332 } catch (NoSuchAlgorithmException | IOException e) { 14333 res.setError(INSTALL_FAILED_INVALID_APK, 14334 "Could not compute hash: " + pkgName); 14335 return; 14336 } 14337 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14338 res.setError(INSTALL_FAILED_INVALID_APK, 14339 "New package fails restrict-update check: " + pkgName); 14340 return; 14341 } 14342 // retain upgrade restriction 14343 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14344 } 14345 14346 // Check for shared user id changes 14347 String invalidPackageName = 14348 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14349 if (invalidPackageName != null) { 14350 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14351 "Package " + invalidPackageName + " tried to change user " 14352 + oldPackage.mSharedUserId); 14353 return; 14354 } 14355 14356 // In case of rollback, remember per-user/profile install state 14357 allUsers = sUserManager.getUserIds(); 14358 installedUsers = ps.queryInstalledUsers(allUsers, true); 14359 } 14360 14361 // Update what is removed 14362 res.removedInfo = new PackageRemovedInfo(); 14363 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14364 res.removedInfo.removedPackage = oldPackage.packageName; 14365 res.removedInfo.isUpdate = true; 14366 res.removedInfo.origUsers = installedUsers; 14367 final int childCount = (oldPackage.childPackages != null) 14368 ? oldPackage.childPackages.size() : 0; 14369 for (int i = 0; i < childCount; i++) { 14370 boolean childPackageUpdated = false; 14371 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14372 if (res.addedChildPackages != null) { 14373 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14374 if (childRes != null) { 14375 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14376 childRes.removedInfo.removedPackage = childPkg.packageName; 14377 childRes.removedInfo.isUpdate = true; 14378 childPackageUpdated = true; 14379 } 14380 } 14381 if (!childPackageUpdated) { 14382 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14383 childRemovedRes.removedPackage = childPkg.packageName; 14384 childRemovedRes.isUpdate = false; 14385 childRemovedRes.dataRemoved = true; 14386 synchronized (mPackages) { 14387 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14388 if (childPs != null) { 14389 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14390 } 14391 } 14392 if (res.removedInfo.removedChildPackages == null) { 14393 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14394 } 14395 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14396 } 14397 } 14398 14399 boolean sysPkg = (isSystemApp(oldPackage)); 14400 if (sysPkg) { 14401 // Set the system/privileged flags as needed 14402 final boolean privileged = 14403 (oldPackage.applicationInfo.privateFlags 14404 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14405 final int systemPolicyFlags = policyFlags 14406 | PackageParser.PARSE_IS_SYSTEM 14407 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14408 14409 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14410 user, allUsers, installerPackageName, res); 14411 } else { 14412 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14413 user, allUsers, installerPackageName, res); 14414 } 14415 } 14416 14417 public List<String> getPreviousCodePaths(String packageName) { 14418 final PackageSetting ps = mSettings.mPackages.get(packageName); 14419 final List<String> result = new ArrayList<String>(); 14420 if (ps != null && ps.oldCodePaths != null) { 14421 result.addAll(ps.oldCodePaths); 14422 } 14423 return result; 14424 } 14425 14426 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14427 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14428 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14429 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14430 + deletedPackage); 14431 14432 String pkgName = deletedPackage.packageName; 14433 boolean deletedPkg = true; 14434 boolean addedPkg = false; 14435 boolean updatedSettings = false; 14436 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14437 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14438 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14439 14440 final long origUpdateTime = (pkg.mExtras != null) 14441 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14442 14443 // First delete the existing package while retaining the data directory 14444 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14445 res.removedInfo, true, pkg)) { 14446 // If the existing package wasn't successfully deleted 14447 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14448 deletedPkg = false; 14449 } else { 14450 // Successfully deleted the old package; proceed with replace. 14451 14452 // If deleted package lived in a container, give users a chance to 14453 // relinquish resources before killing. 14454 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14455 if (DEBUG_INSTALL) { 14456 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14457 } 14458 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14459 final ArrayList<String> pkgList = new ArrayList<String>(1); 14460 pkgList.add(deletedPackage.applicationInfo.packageName); 14461 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14462 } 14463 14464 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14465 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14466 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14467 14468 try { 14469 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14470 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14471 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14472 14473 // Update the in-memory copy of the previous code paths. 14474 PackageSetting ps = mSettings.mPackages.get(pkgName); 14475 if (!killApp) { 14476 if (ps.oldCodePaths == null) { 14477 ps.oldCodePaths = new ArraySet<>(); 14478 } 14479 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14480 if (deletedPackage.splitCodePaths != null) { 14481 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14482 } 14483 } else { 14484 ps.oldCodePaths = null; 14485 } 14486 if (ps.childPackageNames != null) { 14487 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14488 final String childPkgName = ps.childPackageNames.get(i); 14489 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14490 childPs.oldCodePaths = ps.oldCodePaths; 14491 } 14492 } 14493 prepareAppDataAfterInstallLIF(newPackage); 14494 addedPkg = true; 14495 } catch (PackageManagerException e) { 14496 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14497 } 14498 } 14499 14500 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14501 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14502 14503 // Revert all internal state mutations and added folders for the failed install 14504 if (addedPkg) { 14505 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14506 res.removedInfo, true, null); 14507 } 14508 14509 // Restore the old package 14510 if (deletedPkg) { 14511 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14512 File restoreFile = new File(deletedPackage.codePath); 14513 // Parse old package 14514 boolean oldExternal = isExternal(deletedPackage); 14515 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14516 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14517 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14518 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14519 try { 14520 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14521 null); 14522 } catch (PackageManagerException e) { 14523 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14524 + e.getMessage()); 14525 return; 14526 } 14527 14528 synchronized (mPackages) { 14529 // Ensure the installer package name up to date 14530 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14531 14532 // Update permissions for restored package 14533 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14534 14535 mSettings.writeLPr(); 14536 } 14537 14538 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14539 } 14540 } else { 14541 synchronized (mPackages) { 14542 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14543 if (ps != null) { 14544 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14545 if (res.removedInfo.removedChildPackages != null) { 14546 final int childCount = res.removedInfo.removedChildPackages.size(); 14547 // Iterate in reverse as we may modify the collection 14548 for (int i = childCount - 1; i >= 0; i--) { 14549 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14550 if (res.addedChildPackages.containsKey(childPackageName)) { 14551 res.removedInfo.removedChildPackages.removeAt(i); 14552 } else { 14553 PackageRemovedInfo childInfo = res.removedInfo 14554 .removedChildPackages.valueAt(i); 14555 childInfo.removedForAllUsers = mPackages.get( 14556 childInfo.removedPackage) == null; 14557 } 14558 } 14559 } 14560 } 14561 } 14562 } 14563 } 14564 14565 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14566 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14567 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14568 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14569 + ", old=" + deletedPackage); 14570 14571 final boolean disabledSystem; 14572 14573 // Remove existing system package 14574 removePackageLI(deletedPackage, true); 14575 14576 synchronized (mPackages) { 14577 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14578 } 14579 if (!disabledSystem) { 14580 // We didn't need to disable the .apk as a current system package, 14581 // which means we are replacing another update that is already 14582 // installed. We need to make sure to delete the older one's .apk. 14583 res.removedInfo.args = createInstallArgsForExisting(0, 14584 deletedPackage.applicationInfo.getCodePath(), 14585 deletedPackage.applicationInfo.getResourcePath(), 14586 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14587 } else { 14588 res.removedInfo.args = null; 14589 } 14590 14591 // Successfully disabled the old package. Now proceed with re-installation 14592 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14593 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14594 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14595 14596 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14597 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14598 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14599 14600 PackageParser.Package newPackage = null; 14601 try { 14602 // Add the package to the internal data structures 14603 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14604 14605 // Set the update and install times 14606 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14607 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14608 System.currentTimeMillis()); 14609 14610 // Update the package dynamic state if succeeded 14611 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14612 // Now that the install succeeded make sure we remove data 14613 // directories for any child package the update removed. 14614 final int deletedChildCount = (deletedPackage.childPackages != null) 14615 ? deletedPackage.childPackages.size() : 0; 14616 final int newChildCount = (newPackage.childPackages != null) 14617 ? newPackage.childPackages.size() : 0; 14618 for (int i = 0; i < deletedChildCount; i++) { 14619 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14620 boolean childPackageDeleted = true; 14621 for (int j = 0; j < newChildCount; j++) { 14622 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14623 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14624 childPackageDeleted = false; 14625 break; 14626 } 14627 } 14628 if (childPackageDeleted) { 14629 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14630 deletedChildPkg.packageName); 14631 if (ps != null && res.removedInfo.removedChildPackages != null) { 14632 PackageRemovedInfo removedChildRes = res.removedInfo 14633 .removedChildPackages.get(deletedChildPkg.packageName); 14634 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14635 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14636 } 14637 } 14638 } 14639 14640 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14641 prepareAppDataAfterInstallLIF(newPackage); 14642 } 14643 } catch (PackageManagerException e) { 14644 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14645 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14646 } 14647 14648 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14649 // Re installation failed. Restore old information 14650 // Remove new pkg information 14651 if (newPackage != null) { 14652 removeInstalledPackageLI(newPackage, true); 14653 } 14654 // Add back the old system package 14655 try { 14656 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14657 } catch (PackageManagerException e) { 14658 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14659 } 14660 14661 synchronized (mPackages) { 14662 if (disabledSystem) { 14663 enableSystemPackageLPw(deletedPackage); 14664 } 14665 14666 // Ensure the installer package name up to date 14667 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14668 14669 // Update permissions for restored package 14670 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14671 14672 mSettings.writeLPr(); 14673 } 14674 14675 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14676 + " after failed upgrade"); 14677 } 14678 } 14679 14680 /** 14681 * Checks whether the parent or any of the child packages have a change shared 14682 * user. For a package to be a valid update the shred users of the parent and 14683 * the children should match. We may later support changing child shared users. 14684 * @param oldPkg The updated package. 14685 * @param newPkg The update package. 14686 * @return The shared user that change between the versions. 14687 */ 14688 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14689 PackageParser.Package newPkg) { 14690 // Check parent shared user 14691 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14692 return newPkg.packageName; 14693 } 14694 // Check child shared users 14695 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14696 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14697 for (int i = 0; i < newChildCount; i++) { 14698 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14699 // If this child was present, did it have the same shared user? 14700 for (int j = 0; j < oldChildCount; j++) { 14701 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14702 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14703 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14704 return newChildPkg.packageName; 14705 } 14706 } 14707 } 14708 return null; 14709 } 14710 14711 private void removeNativeBinariesLI(PackageSetting ps) { 14712 // Remove the lib path for the parent package 14713 if (ps != null) { 14714 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14715 // Remove the lib path for the child packages 14716 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14717 for (int i = 0; i < childCount; i++) { 14718 PackageSetting childPs = null; 14719 synchronized (mPackages) { 14720 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14721 } 14722 if (childPs != null) { 14723 NativeLibraryHelper.removeNativeBinariesLI(childPs 14724 .legacyNativeLibraryPathString); 14725 } 14726 } 14727 } 14728 } 14729 14730 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14731 // Enable the parent package 14732 mSettings.enableSystemPackageLPw(pkg.packageName); 14733 // Enable the child packages 14734 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14735 for (int i = 0; i < childCount; i++) { 14736 PackageParser.Package childPkg = pkg.childPackages.get(i); 14737 mSettings.enableSystemPackageLPw(childPkg.packageName); 14738 } 14739 } 14740 14741 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14742 PackageParser.Package newPkg) { 14743 // Disable the parent package (parent always replaced) 14744 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14745 // Disable the child packages 14746 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14747 for (int i = 0; i < childCount; i++) { 14748 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14749 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14750 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14751 } 14752 return disabled; 14753 } 14754 14755 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14756 String installerPackageName) { 14757 // Enable the parent package 14758 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14759 // Enable the child packages 14760 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14761 for (int i = 0; i < childCount; i++) { 14762 PackageParser.Package childPkg = pkg.childPackages.get(i); 14763 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14764 } 14765 } 14766 14767 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14768 // Collect all used permissions in the UID 14769 ArraySet<String> usedPermissions = new ArraySet<>(); 14770 final int packageCount = su.packages.size(); 14771 for (int i = 0; i < packageCount; i++) { 14772 PackageSetting ps = su.packages.valueAt(i); 14773 if (ps.pkg == null) { 14774 continue; 14775 } 14776 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14777 for (int j = 0; j < requestedPermCount; j++) { 14778 String permission = ps.pkg.requestedPermissions.get(j); 14779 BasePermission bp = mSettings.mPermissions.get(permission); 14780 if (bp != null) { 14781 usedPermissions.add(permission); 14782 } 14783 } 14784 } 14785 14786 PermissionsState permissionsState = su.getPermissionsState(); 14787 // Prune install permissions 14788 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14789 final int installPermCount = installPermStates.size(); 14790 for (int i = installPermCount - 1; i >= 0; i--) { 14791 PermissionState permissionState = installPermStates.get(i); 14792 if (!usedPermissions.contains(permissionState.getName())) { 14793 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14794 if (bp != null) { 14795 permissionsState.revokeInstallPermission(bp); 14796 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14797 PackageManager.MASK_PERMISSION_FLAGS, 0); 14798 } 14799 } 14800 } 14801 14802 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14803 14804 // Prune runtime permissions 14805 for (int userId : allUserIds) { 14806 List<PermissionState> runtimePermStates = permissionsState 14807 .getRuntimePermissionStates(userId); 14808 final int runtimePermCount = runtimePermStates.size(); 14809 for (int i = runtimePermCount - 1; i >= 0; i--) { 14810 PermissionState permissionState = runtimePermStates.get(i); 14811 if (!usedPermissions.contains(permissionState.getName())) { 14812 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14813 if (bp != null) { 14814 permissionsState.revokeRuntimePermission(bp, userId); 14815 permissionsState.updatePermissionFlags(bp, userId, 14816 PackageManager.MASK_PERMISSION_FLAGS, 0); 14817 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14818 runtimePermissionChangedUserIds, userId); 14819 } 14820 } 14821 } 14822 } 14823 14824 return runtimePermissionChangedUserIds; 14825 } 14826 14827 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14828 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14829 // Update the parent package setting 14830 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14831 res, user); 14832 // Update the child packages setting 14833 final int childCount = (newPackage.childPackages != null) 14834 ? newPackage.childPackages.size() : 0; 14835 for (int i = 0; i < childCount; i++) { 14836 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14837 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14838 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14839 childRes.origUsers, childRes, user); 14840 } 14841 } 14842 14843 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14844 String installerPackageName, int[] allUsers, int[] installedForUsers, 14845 PackageInstalledInfo res, UserHandle user) { 14846 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14847 14848 String pkgName = newPackage.packageName; 14849 synchronized (mPackages) { 14850 //write settings. the installStatus will be incomplete at this stage. 14851 //note that the new package setting would have already been 14852 //added to mPackages. It hasn't been persisted yet. 14853 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14854 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14855 mSettings.writeLPr(); 14856 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14857 } 14858 14859 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14860 synchronized (mPackages) { 14861 updatePermissionsLPw(newPackage.packageName, newPackage, 14862 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14863 ? UPDATE_PERMISSIONS_ALL : 0)); 14864 // For system-bundled packages, we assume that installing an upgraded version 14865 // of the package implies that the user actually wants to run that new code, 14866 // so we enable the package. 14867 PackageSetting ps = mSettings.mPackages.get(pkgName); 14868 final int userId = user.getIdentifier(); 14869 if (ps != null) { 14870 if (isSystemApp(newPackage)) { 14871 if (DEBUG_INSTALL) { 14872 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14873 } 14874 // Enable system package for requested users 14875 if (res.origUsers != null) { 14876 for (int origUserId : res.origUsers) { 14877 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14878 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14879 origUserId, installerPackageName); 14880 } 14881 } 14882 } 14883 // Also convey the prior install/uninstall state 14884 if (allUsers != null && installedForUsers != null) { 14885 for (int currentUserId : allUsers) { 14886 final boolean installed = ArrayUtils.contains( 14887 installedForUsers, currentUserId); 14888 if (DEBUG_INSTALL) { 14889 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14890 } 14891 ps.setInstalled(installed, currentUserId); 14892 } 14893 // these install state changes will be persisted in the 14894 // upcoming call to mSettings.writeLPr(). 14895 } 14896 } 14897 // It's implied that when a user requests installation, they want the app to be 14898 // installed and enabled. 14899 if (userId != UserHandle.USER_ALL) { 14900 ps.setInstalled(true, userId); 14901 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14902 } 14903 } 14904 res.name = pkgName; 14905 res.uid = newPackage.applicationInfo.uid; 14906 res.pkg = newPackage; 14907 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14908 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14909 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14910 //to update install status 14911 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14912 mSettings.writeLPr(); 14913 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14914 } 14915 14916 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14917 } 14918 14919 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14920 try { 14921 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14922 installPackageLI(args, res); 14923 } finally { 14924 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14925 } 14926 } 14927 14928 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14929 final int installFlags = args.installFlags; 14930 final String installerPackageName = args.installerPackageName; 14931 final String volumeUuid = args.volumeUuid; 14932 final File tmpPackageFile = new File(args.getCodePath()); 14933 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14934 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14935 || (args.volumeUuid != null)); 14936 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14937 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14938 boolean replace = false; 14939 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14940 if (args.move != null) { 14941 // moving a complete application; perform an initial scan on the new install location 14942 scanFlags |= SCAN_INITIAL; 14943 } 14944 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14945 scanFlags |= SCAN_DONT_KILL_APP; 14946 } 14947 14948 // Result object to be returned 14949 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14950 14951 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14952 14953 // Sanity check 14954 if (ephemeral && (forwardLocked || onExternal)) { 14955 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14956 + " external=" + onExternal); 14957 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14958 return; 14959 } 14960 14961 // Retrieve PackageSettings and parse package 14962 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14963 | PackageParser.PARSE_ENFORCE_CODE 14964 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14965 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14966 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14967 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14968 PackageParser pp = new PackageParser(); 14969 pp.setSeparateProcesses(mSeparateProcesses); 14970 pp.setDisplayMetrics(mMetrics); 14971 14972 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14973 final PackageParser.Package pkg; 14974 try { 14975 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14976 } catch (PackageParserException e) { 14977 res.setError("Failed parse during installPackageLI", e); 14978 return; 14979 } finally { 14980 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14981 } 14982 14983 // If we are installing a clustered package add results for the children 14984 if (pkg.childPackages != null) { 14985 synchronized (mPackages) { 14986 final int childCount = pkg.childPackages.size(); 14987 for (int i = 0; i < childCount; i++) { 14988 PackageParser.Package childPkg = pkg.childPackages.get(i); 14989 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14990 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14991 childRes.pkg = childPkg; 14992 childRes.name = childPkg.packageName; 14993 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14994 if (childPs != null) { 14995 childRes.origUsers = childPs.queryInstalledUsers( 14996 sUserManager.getUserIds(), true); 14997 } 14998 if ((mPackages.containsKey(childPkg.packageName))) { 14999 childRes.removedInfo = new PackageRemovedInfo(); 15000 childRes.removedInfo.removedPackage = childPkg.packageName; 15001 } 15002 if (res.addedChildPackages == null) { 15003 res.addedChildPackages = new ArrayMap<>(); 15004 } 15005 res.addedChildPackages.put(childPkg.packageName, childRes); 15006 } 15007 } 15008 } 15009 15010 // If package doesn't declare API override, mark that we have an install 15011 // time CPU ABI override. 15012 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15013 pkg.cpuAbiOverride = args.abiOverride; 15014 } 15015 15016 String pkgName = res.name = pkg.packageName; 15017 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15018 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15019 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15020 return; 15021 } 15022 } 15023 15024 try { 15025 // either use what we've been given or parse directly from the APK 15026 if (args.certificates != null) { 15027 try { 15028 PackageParser.populateCertificates(pkg, args.certificates); 15029 } catch (PackageParserException e) { 15030 // there was something wrong with the certificates we were given; 15031 // try to pull them from the APK 15032 PackageParser.collectCertificates(pkg, parseFlags); 15033 } 15034 } else { 15035 PackageParser.collectCertificates(pkg, parseFlags); 15036 } 15037 } catch (PackageParserException e) { 15038 res.setError("Failed collect during installPackageLI", e); 15039 return; 15040 } 15041 15042 // Get rid of all references to package scan path via parser. 15043 pp = null; 15044 String oldCodePath = null; 15045 boolean systemApp = false; 15046 synchronized (mPackages) { 15047 // Check if installing already existing package 15048 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15049 String oldName = mSettings.mRenamedPackages.get(pkgName); 15050 if (pkg.mOriginalPackages != null 15051 && pkg.mOriginalPackages.contains(oldName) 15052 && mPackages.containsKey(oldName)) { 15053 // This package is derived from an original package, 15054 // and this device has been updating from that original 15055 // name. We must continue using the original name, so 15056 // rename the new package here. 15057 pkg.setPackageName(oldName); 15058 pkgName = pkg.packageName; 15059 replace = true; 15060 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15061 + oldName + " pkgName=" + pkgName); 15062 } else if (mPackages.containsKey(pkgName)) { 15063 // This package, under its official name, already exists 15064 // on the device; we should replace it. 15065 replace = true; 15066 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15067 } 15068 15069 // Child packages are installed through the parent package 15070 if (pkg.parentPackage != null) { 15071 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15072 "Package " + pkg.packageName + " is child of package " 15073 + pkg.parentPackage.parentPackage + ". Child packages " 15074 + "can be updated only through the parent package."); 15075 return; 15076 } 15077 15078 if (replace) { 15079 // Prevent apps opting out from runtime permissions 15080 PackageParser.Package oldPackage = mPackages.get(pkgName); 15081 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15082 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15083 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15084 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15085 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15086 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15087 + " doesn't support runtime permissions but the old" 15088 + " target SDK " + oldTargetSdk + " does."); 15089 return; 15090 } 15091 15092 // Prevent installing of child packages 15093 if (oldPackage.parentPackage != null) { 15094 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15095 "Package " + pkg.packageName + " is child of package " 15096 + oldPackage.parentPackage + ". Child packages " 15097 + "can be updated only through the parent package."); 15098 return; 15099 } 15100 } 15101 } 15102 15103 PackageSetting ps = mSettings.mPackages.get(pkgName); 15104 if (ps != null) { 15105 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15106 15107 // Quick sanity check that we're signed correctly if updating; 15108 // we'll check this again later when scanning, but we want to 15109 // bail early here before tripping over redefined permissions. 15110 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15111 if (!checkUpgradeKeySetLP(ps, pkg)) { 15112 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15113 + pkg.packageName + " upgrade keys do not match the " 15114 + "previously installed version"); 15115 return; 15116 } 15117 } else { 15118 try { 15119 verifySignaturesLP(ps, pkg); 15120 } catch (PackageManagerException e) { 15121 res.setError(e.error, e.getMessage()); 15122 return; 15123 } 15124 } 15125 15126 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15127 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15128 systemApp = (ps.pkg.applicationInfo.flags & 15129 ApplicationInfo.FLAG_SYSTEM) != 0; 15130 } 15131 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15132 } 15133 15134 // Check whether the newly-scanned package wants to define an already-defined perm 15135 int N = pkg.permissions.size(); 15136 for (int i = N-1; i >= 0; i--) { 15137 PackageParser.Permission perm = pkg.permissions.get(i); 15138 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15139 if (bp != null) { 15140 // If the defining package is signed with our cert, it's okay. This 15141 // also includes the "updating the same package" case, of course. 15142 // "updating same package" could also involve key-rotation. 15143 final boolean sigsOk; 15144 if (bp.sourcePackage.equals(pkg.packageName) 15145 && (bp.packageSetting instanceof PackageSetting) 15146 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15147 scanFlags))) { 15148 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15149 } else { 15150 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15151 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15152 } 15153 if (!sigsOk) { 15154 // If the owning package is the system itself, we log but allow 15155 // install to proceed; we fail the install on all other permission 15156 // redefinitions. 15157 if (!bp.sourcePackage.equals("android")) { 15158 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15159 + pkg.packageName + " attempting to redeclare permission " 15160 + perm.info.name + " already owned by " + bp.sourcePackage); 15161 res.origPermission = perm.info.name; 15162 res.origPackage = bp.sourcePackage; 15163 return; 15164 } else { 15165 Slog.w(TAG, "Package " + pkg.packageName 15166 + " attempting to redeclare system permission " 15167 + perm.info.name + "; ignoring new declaration"); 15168 pkg.permissions.remove(i); 15169 } 15170 } 15171 } 15172 } 15173 } 15174 15175 if (systemApp) { 15176 if (onExternal) { 15177 // Abort update; system app can't be replaced with app on sdcard 15178 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15179 "Cannot install updates to system apps on sdcard"); 15180 return; 15181 } else if (ephemeral) { 15182 // Abort update; system app can't be replaced with an ephemeral app 15183 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15184 "Cannot update a system app with an ephemeral app"); 15185 return; 15186 } 15187 } 15188 15189 if (args.move != null) { 15190 // We did an in-place move, so dex is ready to roll 15191 scanFlags |= SCAN_NO_DEX; 15192 scanFlags |= SCAN_MOVE; 15193 15194 synchronized (mPackages) { 15195 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15196 if (ps == null) { 15197 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15198 "Missing settings for moved package " + pkgName); 15199 } 15200 15201 // We moved the entire application as-is, so bring over the 15202 // previously derived ABI information. 15203 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15204 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15205 } 15206 15207 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15208 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15209 scanFlags |= SCAN_NO_DEX; 15210 15211 try { 15212 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15213 args.abiOverride : pkg.cpuAbiOverride); 15214 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15215 true /* extract libs */); 15216 } catch (PackageManagerException pme) { 15217 Slog.e(TAG, "Error deriving application ABI", pme); 15218 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15219 return; 15220 } 15221 15222 // Shared libraries for the package need to be updated. 15223 synchronized (mPackages) { 15224 try { 15225 updateSharedLibrariesLPw(pkg, null); 15226 } catch (PackageManagerException e) { 15227 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15228 } 15229 } 15230 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15231 // Do not run PackageDexOptimizer through the local performDexOpt 15232 // method because `pkg` may not be in `mPackages` yet. 15233 // 15234 // Also, don't fail application installs if the dexopt step fails. 15235 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15236 null /* instructionSets */, false /* checkProfiles */, 15237 getCompilerFilterForReason(REASON_INSTALL)); 15238 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15239 15240 // Notify BackgroundDexOptService that the package has been changed. 15241 // If this is an update of a package which used to fail to compile, 15242 // BDOS will remove it from its blacklist. 15243 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15244 } 15245 15246 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15247 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15248 return; 15249 } 15250 15251 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15252 15253 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15254 "installPackageLI")) { 15255 if (replace) { 15256 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15257 installerPackageName, res); 15258 } else { 15259 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15260 args.user, installerPackageName, volumeUuid, res); 15261 } 15262 } 15263 synchronized (mPackages) { 15264 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15265 if (ps != null) { 15266 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15267 } 15268 15269 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15270 for (int i = 0; i < childCount; i++) { 15271 PackageParser.Package childPkg = pkg.childPackages.get(i); 15272 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15273 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15274 if (childPs != null) { 15275 childRes.newUsers = childPs.queryInstalledUsers( 15276 sUserManager.getUserIds(), true); 15277 } 15278 } 15279 } 15280 } 15281 15282 private void startIntentFilterVerifications(int userId, boolean replacing, 15283 PackageParser.Package pkg) { 15284 if (mIntentFilterVerifierComponent == null) { 15285 Slog.w(TAG, "No IntentFilter verification will not be done as " 15286 + "there is no IntentFilterVerifier available!"); 15287 return; 15288 } 15289 15290 final int verifierUid = getPackageUid( 15291 mIntentFilterVerifierComponent.getPackageName(), 15292 MATCH_DEBUG_TRIAGED_MISSING, 15293 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15294 15295 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15296 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15297 mHandler.sendMessage(msg); 15298 15299 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15300 for (int i = 0; i < childCount; i++) { 15301 PackageParser.Package childPkg = pkg.childPackages.get(i); 15302 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15303 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15304 mHandler.sendMessage(msg); 15305 } 15306 } 15307 15308 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15309 PackageParser.Package pkg) { 15310 int size = pkg.activities.size(); 15311 if (size == 0) { 15312 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15313 "No activity, so no need to verify any IntentFilter!"); 15314 return; 15315 } 15316 15317 final boolean hasDomainURLs = hasDomainURLs(pkg); 15318 if (!hasDomainURLs) { 15319 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15320 "No domain URLs, so no need to verify any IntentFilter!"); 15321 return; 15322 } 15323 15324 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15325 + " if any IntentFilter from the " + size 15326 + " Activities needs verification ..."); 15327 15328 int count = 0; 15329 final String packageName = pkg.packageName; 15330 15331 synchronized (mPackages) { 15332 // If this is a new install and we see that we've already run verification for this 15333 // package, we have nothing to do: it means the state was restored from backup. 15334 if (!replacing) { 15335 IntentFilterVerificationInfo ivi = 15336 mSettings.getIntentFilterVerificationLPr(packageName); 15337 if (ivi != null) { 15338 if (DEBUG_DOMAIN_VERIFICATION) { 15339 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15340 + ivi.getStatusString()); 15341 } 15342 return; 15343 } 15344 } 15345 15346 // If any filters need to be verified, then all need to be. 15347 boolean needToVerify = false; 15348 for (PackageParser.Activity a : pkg.activities) { 15349 for (ActivityIntentInfo filter : a.intents) { 15350 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15351 if (DEBUG_DOMAIN_VERIFICATION) { 15352 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15353 } 15354 needToVerify = true; 15355 break; 15356 } 15357 } 15358 } 15359 15360 if (needToVerify) { 15361 final int verificationId = mIntentFilterVerificationToken++; 15362 for (PackageParser.Activity a : pkg.activities) { 15363 for (ActivityIntentInfo filter : a.intents) { 15364 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15365 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15366 "Verification needed for IntentFilter:" + filter.toString()); 15367 mIntentFilterVerifier.addOneIntentFilterVerification( 15368 verifierUid, userId, verificationId, filter, packageName); 15369 count++; 15370 } 15371 } 15372 } 15373 } 15374 } 15375 15376 if (count > 0) { 15377 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15378 + " IntentFilter verification" + (count > 1 ? "s" : "") 15379 + " for userId:" + userId); 15380 mIntentFilterVerifier.startVerifications(userId); 15381 } else { 15382 if (DEBUG_DOMAIN_VERIFICATION) { 15383 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15384 } 15385 } 15386 } 15387 15388 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15389 final ComponentName cn = filter.activity.getComponentName(); 15390 final String packageName = cn.getPackageName(); 15391 15392 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15393 packageName); 15394 if (ivi == null) { 15395 return true; 15396 } 15397 int status = ivi.getStatus(); 15398 switch (status) { 15399 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15400 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15401 return true; 15402 15403 default: 15404 // Nothing to do 15405 return false; 15406 } 15407 } 15408 15409 private static boolean isMultiArch(ApplicationInfo info) { 15410 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15411 } 15412 15413 private static boolean isExternal(PackageParser.Package pkg) { 15414 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15415 } 15416 15417 private static boolean isExternal(PackageSetting ps) { 15418 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15419 } 15420 15421 private static boolean isEphemeral(PackageParser.Package pkg) { 15422 return pkg.applicationInfo.isEphemeralApp(); 15423 } 15424 15425 private static boolean isEphemeral(PackageSetting ps) { 15426 return ps.pkg != null && isEphemeral(ps.pkg); 15427 } 15428 15429 private static boolean isSystemApp(PackageParser.Package pkg) { 15430 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15431 } 15432 15433 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15434 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15435 } 15436 15437 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15438 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15439 } 15440 15441 private static boolean isSystemApp(PackageSetting ps) { 15442 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15443 } 15444 15445 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15446 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15447 } 15448 15449 private int packageFlagsToInstallFlags(PackageSetting ps) { 15450 int installFlags = 0; 15451 if (isEphemeral(ps)) { 15452 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15453 } 15454 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15455 // This existing package was an external ASEC install when we have 15456 // the external flag without a UUID 15457 installFlags |= PackageManager.INSTALL_EXTERNAL; 15458 } 15459 if (ps.isForwardLocked()) { 15460 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15461 } 15462 return installFlags; 15463 } 15464 15465 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15466 if (isExternal(pkg)) { 15467 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15468 return StorageManager.UUID_PRIMARY_PHYSICAL; 15469 } else { 15470 return pkg.volumeUuid; 15471 } 15472 } else { 15473 return StorageManager.UUID_PRIVATE_INTERNAL; 15474 } 15475 } 15476 15477 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15478 if (isExternal(pkg)) { 15479 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15480 return mSettings.getExternalVersion(); 15481 } else { 15482 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15483 } 15484 } else { 15485 return mSettings.getInternalVersion(); 15486 } 15487 } 15488 15489 private void deleteTempPackageFiles() { 15490 final FilenameFilter filter = new FilenameFilter() { 15491 public boolean accept(File dir, String name) { 15492 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15493 } 15494 }; 15495 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15496 file.delete(); 15497 } 15498 } 15499 15500 @Override 15501 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15502 int flags) { 15503 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15504 flags); 15505 } 15506 15507 @Override 15508 public void deletePackage(final String packageName, 15509 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15510 mContext.enforceCallingOrSelfPermission( 15511 android.Manifest.permission.DELETE_PACKAGES, null); 15512 Preconditions.checkNotNull(packageName); 15513 Preconditions.checkNotNull(observer); 15514 final int uid = Binder.getCallingUid(); 15515 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15516 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15517 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15518 mContext.enforceCallingOrSelfPermission( 15519 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15520 "deletePackage for user " + userId); 15521 } 15522 15523 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15524 try { 15525 observer.onPackageDeleted(packageName, 15526 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15527 } catch (RemoteException re) { 15528 } 15529 return; 15530 } 15531 15532 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15533 try { 15534 observer.onPackageDeleted(packageName, 15535 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15536 } catch (RemoteException re) { 15537 } 15538 return; 15539 } 15540 15541 if (DEBUG_REMOVE) { 15542 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15543 + " deleteAllUsers: " + deleteAllUsers ); 15544 } 15545 // Queue up an async operation since the package deletion may take a little while. 15546 mHandler.post(new Runnable() { 15547 public void run() { 15548 mHandler.removeCallbacks(this); 15549 int returnCode; 15550 if (!deleteAllUsers) { 15551 returnCode = deletePackageX(packageName, userId, deleteFlags); 15552 } else { 15553 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15554 // If nobody is blocking uninstall, proceed with delete for all users 15555 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15556 returnCode = deletePackageX(packageName, userId, deleteFlags); 15557 } else { 15558 // Otherwise uninstall individually for users with blockUninstalls=false 15559 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15560 for (int userId : users) { 15561 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15562 returnCode = deletePackageX(packageName, userId, userFlags); 15563 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15564 Slog.w(TAG, "Package delete failed for user " + userId 15565 + ", returnCode " + returnCode); 15566 } 15567 } 15568 } 15569 // The app has only been marked uninstalled for certain users. 15570 // We still need to report that delete was blocked 15571 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15572 } 15573 } 15574 try { 15575 observer.onPackageDeleted(packageName, returnCode, null); 15576 } catch (RemoteException e) { 15577 Log.i(TAG, "Observer no longer exists."); 15578 } //end catch 15579 } //end run 15580 }); 15581 } 15582 15583 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15584 int[] result = EMPTY_INT_ARRAY; 15585 for (int userId : userIds) { 15586 if (getBlockUninstallForUser(packageName, userId)) { 15587 result = ArrayUtils.appendInt(result, userId); 15588 } 15589 } 15590 return result; 15591 } 15592 15593 @Override 15594 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15595 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15596 } 15597 15598 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15599 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15600 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15601 try { 15602 if (dpm != null) { 15603 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15604 /* callingUserOnly =*/ false); 15605 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15606 : deviceOwnerComponentName.getPackageName(); 15607 // Does the package contains the device owner? 15608 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15609 // this check is probably not needed, since DO should be registered as a device 15610 // admin on some user too. (Original bug for this: b/17657954) 15611 if (packageName.equals(deviceOwnerPackageName)) { 15612 return true; 15613 } 15614 // Does it contain a device admin for any user? 15615 int[] users; 15616 if (userId == UserHandle.USER_ALL) { 15617 users = sUserManager.getUserIds(); 15618 } else { 15619 users = new int[]{userId}; 15620 } 15621 for (int i = 0; i < users.length; ++i) { 15622 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15623 return true; 15624 } 15625 } 15626 } 15627 } catch (RemoteException e) { 15628 } 15629 return false; 15630 } 15631 15632 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15633 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15634 } 15635 15636 /** 15637 * This method is an internal method that could be get invoked either 15638 * to delete an installed package or to clean up a failed installation. 15639 * After deleting an installed package, a broadcast is sent to notify any 15640 * listeners that the package has been removed. For cleaning up a failed 15641 * installation, the broadcast is not necessary since the package's 15642 * installation wouldn't have sent the initial broadcast either 15643 * The key steps in deleting a package are 15644 * deleting the package information in internal structures like mPackages, 15645 * deleting the packages base directories through installd 15646 * updating mSettings to reflect current status 15647 * persisting settings for later use 15648 * sending a broadcast if necessary 15649 */ 15650 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15651 final PackageRemovedInfo info = new PackageRemovedInfo(); 15652 final boolean res; 15653 15654 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15655 ? UserHandle.USER_ALL : userId; 15656 15657 if (isPackageDeviceAdmin(packageName, removeUser)) { 15658 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15659 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15660 } 15661 15662 PackageSetting uninstalledPs = null; 15663 15664 // for the uninstall-updates case and restricted profiles, remember the per- 15665 // user handle installed state 15666 int[] allUsers; 15667 synchronized (mPackages) { 15668 uninstalledPs = mSettings.mPackages.get(packageName); 15669 if (uninstalledPs == null) { 15670 Slog.w(TAG, "Not removing non-existent package " + packageName); 15671 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15672 } 15673 allUsers = sUserManager.getUserIds(); 15674 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15675 } 15676 15677 final int freezeUser; 15678 if (isUpdatedSystemApp(uninstalledPs) 15679 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15680 // We're downgrading a system app, which will apply to all users, so 15681 // freeze them all during the downgrade 15682 freezeUser = UserHandle.USER_ALL; 15683 } else { 15684 freezeUser = removeUser; 15685 } 15686 15687 synchronized (mInstallLock) { 15688 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15689 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15690 deleteFlags, "deletePackageX")) { 15691 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15692 deleteFlags | REMOVE_CHATTY, info, true, null); 15693 } 15694 synchronized (mPackages) { 15695 if (res) { 15696 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15697 } 15698 } 15699 } 15700 15701 if (res) { 15702 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15703 info.sendPackageRemovedBroadcasts(killApp); 15704 info.sendSystemPackageUpdatedBroadcasts(); 15705 info.sendSystemPackageAppearedBroadcasts(); 15706 } 15707 // Force a gc here. 15708 Runtime.getRuntime().gc(); 15709 // Delete the resources here after sending the broadcast to let 15710 // other processes clean up before deleting resources. 15711 if (info.args != null) { 15712 synchronized (mInstallLock) { 15713 info.args.doPostDeleteLI(true); 15714 } 15715 } 15716 15717 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15718 } 15719 15720 class PackageRemovedInfo { 15721 String removedPackage; 15722 int uid = -1; 15723 int removedAppId = -1; 15724 int[] origUsers; 15725 int[] removedUsers = null; 15726 boolean isRemovedPackageSystemUpdate = false; 15727 boolean isUpdate; 15728 boolean dataRemoved; 15729 boolean removedForAllUsers; 15730 // Clean up resources deleted packages. 15731 InstallArgs args = null; 15732 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15733 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15734 15735 void sendPackageRemovedBroadcasts(boolean killApp) { 15736 sendPackageRemovedBroadcastInternal(killApp); 15737 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15738 for (int i = 0; i < childCount; i++) { 15739 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15740 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15741 } 15742 } 15743 15744 void sendSystemPackageUpdatedBroadcasts() { 15745 if (isRemovedPackageSystemUpdate) { 15746 sendSystemPackageUpdatedBroadcastsInternal(); 15747 final int childCount = (removedChildPackages != null) 15748 ? removedChildPackages.size() : 0; 15749 for (int i = 0; i < childCount; i++) { 15750 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15751 if (childInfo.isRemovedPackageSystemUpdate) { 15752 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15753 } 15754 } 15755 } 15756 } 15757 15758 void sendSystemPackageAppearedBroadcasts() { 15759 final int packageCount = (appearedChildPackages != null) 15760 ? appearedChildPackages.size() : 0; 15761 for (int i = 0; i < packageCount; i++) { 15762 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15763 for (int userId : installedInfo.newUsers) { 15764 sendPackageAddedForUser(installedInfo.name, true, 15765 UserHandle.getAppId(installedInfo.uid), userId); 15766 } 15767 } 15768 } 15769 15770 private void sendSystemPackageUpdatedBroadcastsInternal() { 15771 Bundle extras = new Bundle(2); 15772 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15773 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15774 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15775 extras, 0, null, null, null); 15776 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15777 extras, 0, null, null, null); 15778 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15779 null, 0, removedPackage, null, null); 15780 } 15781 15782 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15783 Bundle extras = new Bundle(2); 15784 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15785 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15786 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15787 if (isUpdate || isRemovedPackageSystemUpdate) { 15788 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15789 } 15790 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15791 if (removedPackage != null) { 15792 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15793 extras, 0, null, null, removedUsers); 15794 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15795 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15796 removedPackage, extras, 0, null, null, removedUsers); 15797 } 15798 } 15799 if (removedAppId >= 0) { 15800 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15801 removedUsers); 15802 } 15803 } 15804 } 15805 15806 /* 15807 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15808 * flag is not set, the data directory is removed as well. 15809 * make sure this flag is set for partially installed apps. If not its meaningless to 15810 * delete a partially installed application. 15811 */ 15812 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15813 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15814 String packageName = ps.name; 15815 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15816 // Retrieve object to delete permissions for shared user later on 15817 final PackageParser.Package deletedPkg; 15818 final PackageSetting deletedPs; 15819 // reader 15820 synchronized (mPackages) { 15821 deletedPkg = mPackages.get(packageName); 15822 deletedPs = mSettings.mPackages.get(packageName); 15823 if (outInfo != null) { 15824 outInfo.removedPackage = packageName; 15825 outInfo.removedUsers = deletedPs != null 15826 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15827 : null; 15828 } 15829 } 15830 15831 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15832 15833 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15834 final PackageParser.Package resolvedPkg; 15835 if (deletedPkg != null) { 15836 resolvedPkg = deletedPkg; 15837 } else { 15838 // We don't have a parsed package when it lives on an ejected 15839 // adopted storage device, so fake something together 15840 resolvedPkg = new PackageParser.Package(ps.name); 15841 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15842 } 15843 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15844 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15845 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15846 if (outInfo != null) { 15847 outInfo.dataRemoved = true; 15848 } 15849 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15850 } 15851 15852 // writer 15853 synchronized (mPackages) { 15854 if (deletedPs != null) { 15855 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15856 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15857 clearDefaultBrowserIfNeeded(packageName); 15858 if (outInfo != null) { 15859 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15860 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15861 } 15862 updatePermissionsLPw(deletedPs.name, null, 0); 15863 if (deletedPs.sharedUser != null) { 15864 // Remove permissions associated with package. Since runtime 15865 // permissions are per user we have to kill the removed package 15866 // or packages running under the shared user of the removed 15867 // package if revoking the permissions requested only by the removed 15868 // package is successful and this causes a change in gids. 15869 for (int userId : UserManagerService.getInstance().getUserIds()) { 15870 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15871 userId); 15872 if (userIdToKill == UserHandle.USER_ALL 15873 || userIdToKill >= UserHandle.USER_SYSTEM) { 15874 // If gids changed for this user, kill all affected packages. 15875 mHandler.post(new Runnable() { 15876 @Override 15877 public void run() { 15878 // This has to happen with no lock held. 15879 killApplication(deletedPs.name, deletedPs.appId, 15880 KILL_APP_REASON_GIDS_CHANGED); 15881 } 15882 }); 15883 break; 15884 } 15885 } 15886 } 15887 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15888 } 15889 // make sure to preserve per-user disabled state if this removal was just 15890 // a downgrade of a system app to the factory package 15891 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15892 if (DEBUG_REMOVE) { 15893 Slog.d(TAG, "Propagating install state across downgrade"); 15894 } 15895 for (int userId : allUserHandles) { 15896 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15897 if (DEBUG_REMOVE) { 15898 Slog.d(TAG, " user " + userId + " => " + installed); 15899 } 15900 ps.setInstalled(installed, userId); 15901 } 15902 } 15903 } 15904 // can downgrade to reader 15905 if (writeSettings) { 15906 // Save settings now 15907 mSettings.writeLPr(); 15908 } 15909 } 15910 if (outInfo != null) { 15911 // A user ID was deleted here. Go through all users and remove it 15912 // from KeyStore. 15913 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15914 } 15915 } 15916 15917 static boolean locationIsPrivileged(File path) { 15918 try { 15919 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15920 .getCanonicalPath(); 15921 return path.getCanonicalPath().startsWith(privilegedAppDir); 15922 } catch (IOException e) { 15923 Slog.e(TAG, "Unable to access code path " + path); 15924 } 15925 return false; 15926 } 15927 15928 /* 15929 * Tries to delete system package. 15930 */ 15931 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15932 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15933 boolean writeSettings) { 15934 if (deletedPs.parentPackageName != null) { 15935 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15936 return false; 15937 } 15938 15939 final boolean applyUserRestrictions 15940 = (allUserHandles != null) && (outInfo.origUsers != null); 15941 final PackageSetting disabledPs; 15942 // Confirm if the system package has been updated 15943 // An updated system app can be deleted. This will also have to restore 15944 // the system pkg from system partition 15945 // reader 15946 synchronized (mPackages) { 15947 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15948 } 15949 15950 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15951 + " disabledPs=" + disabledPs); 15952 15953 if (disabledPs == null) { 15954 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15955 return false; 15956 } else if (DEBUG_REMOVE) { 15957 Slog.d(TAG, "Deleting system pkg from data partition"); 15958 } 15959 15960 if (DEBUG_REMOVE) { 15961 if (applyUserRestrictions) { 15962 Slog.d(TAG, "Remembering install states:"); 15963 for (int userId : allUserHandles) { 15964 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15965 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15966 } 15967 } 15968 } 15969 15970 // Delete the updated package 15971 outInfo.isRemovedPackageSystemUpdate = true; 15972 if (outInfo.removedChildPackages != null) { 15973 final int childCount = (deletedPs.childPackageNames != null) 15974 ? deletedPs.childPackageNames.size() : 0; 15975 for (int i = 0; i < childCount; i++) { 15976 String childPackageName = deletedPs.childPackageNames.get(i); 15977 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15978 .contains(childPackageName)) { 15979 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15980 childPackageName); 15981 if (childInfo != null) { 15982 childInfo.isRemovedPackageSystemUpdate = true; 15983 } 15984 } 15985 } 15986 } 15987 15988 if (disabledPs.versionCode < deletedPs.versionCode) { 15989 // Delete data for downgrades 15990 flags &= ~PackageManager.DELETE_KEEP_DATA; 15991 } else { 15992 // Preserve data by setting flag 15993 flags |= PackageManager.DELETE_KEEP_DATA; 15994 } 15995 15996 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15997 outInfo, writeSettings, disabledPs.pkg); 15998 if (!ret) { 15999 return false; 16000 } 16001 16002 // writer 16003 synchronized (mPackages) { 16004 // Reinstate the old system package 16005 enableSystemPackageLPw(disabledPs.pkg); 16006 // Remove any native libraries from the upgraded package. 16007 removeNativeBinariesLI(deletedPs); 16008 } 16009 16010 // Install the system package 16011 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16012 int parseFlags = mDefParseFlags 16013 | PackageParser.PARSE_MUST_BE_APK 16014 | PackageParser.PARSE_IS_SYSTEM 16015 | PackageParser.PARSE_IS_SYSTEM_DIR; 16016 if (locationIsPrivileged(disabledPs.codePath)) { 16017 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16018 } 16019 16020 final PackageParser.Package newPkg; 16021 try { 16022 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16023 } catch (PackageManagerException e) { 16024 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16025 + e.getMessage()); 16026 return false; 16027 } 16028 16029 prepareAppDataAfterInstallLIF(newPkg); 16030 16031 // writer 16032 synchronized (mPackages) { 16033 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16034 16035 // Propagate the permissions state as we do not want to drop on the floor 16036 // runtime permissions. The update permissions method below will take 16037 // care of removing obsolete permissions and grant install permissions. 16038 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16039 updatePermissionsLPw(newPkg.packageName, newPkg, 16040 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16041 16042 if (applyUserRestrictions) { 16043 if (DEBUG_REMOVE) { 16044 Slog.d(TAG, "Propagating install state across reinstall"); 16045 } 16046 for (int userId : allUserHandles) { 16047 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16048 if (DEBUG_REMOVE) { 16049 Slog.d(TAG, " user " + userId + " => " + installed); 16050 } 16051 ps.setInstalled(installed, userId); 16052 16053 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16054 } 16055 // Regardless of writeSettings we need to ensure that this restriction 16056 // state propagation is persisted 16057 mSettings.writeAllUsersPackageRestrictionsLPr(); 16058 } 16059 // can downgrade to reader here 16060 if (writeSettings) { 16061 mSettings.writeLPr(); 16062 } 16063 } 16064 return true; 16065 } 16066 16067 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16068 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16069 PackageRemovedInfo outInfo, boolean writeSettings, 16070 PackageParser.Package replacingPackage) { 16071 synchronized (mPackages) { 16072 if (outInfo != null) { 16073 outInfo.uid = ps.appId; 16074 } 16075 16076 if (outInfo != null && outInfo.removedChildPackages != null) { 16077 final int childCount = (ps.childPackageNames != null) 16078 ? ps.childPackageNames.size() : 0; 16079 for (int i = 0; i < childCount; i++) { 16080 String childPackageName = ps.childPackageNames.get(i); 16081 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16082 if (childPs == null) { 16083 return false; 16084 } 16085 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16086 childPackageName); 16087 if (childInfo != null) { 16088 childInfo.uid = childPs.appId; 16089 } 16090 } 16091 } 16092 } 16093 16094 // Delete package data from internal structures and also remove data if flag is set 16095 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16096 16097 // Delete the child packages data 16098 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16099 for (int i = 0; i < childCount; i++) { 16100 PackageSetting childPs; 16101 synchronized (mPackages) { 16102 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16103 } 16104 if (childPs != null) { 16105 PackageRemovedInfo childOutInfo = (outInfo != null 16106 && outInfo.removedChildPackages != null) 16107 ? outInfo.removedChildPackages.get(childPs.name) : null; 16108 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16109 && (replacingPackage != null 16110 && !replacingPackage.hasChildPackage(childPs.name)) 16111 ? flags & ~DELETE_KEEP_DATA : flags; 16112 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16113 deleteFlags, writeSettings); 16114 } 16115 } 16116 16117 // Delete application code and resources only for parent packages 16118 if (ps.parentPackageName == null) { 16119 if (deleteCodeAndResources && (outInfo != null)) { 16120 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16121 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16122 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16123 } 16124 } 16125 16126 return true; 16127 } 16128 16129 @Override 16130 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16131 int userId) { 16132 mContext.enforceCallingOrSelfPermission( 16133 android.Manifest.permission.DELETE_PACKAGES, null); 16134 synchronized (mPackages) { 16135 PackageSetting ps = mSettings.mPackages.get(packageName); 16136 if (ps == null) { 16137 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16138 return false; 16139 } 16140 if (!ps.getInstalled(userId)) { 16141 // Can't block uninstall for an app that is not installed or enabled. 16142 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16143 return false; 16144 } 16145 ps.setBlockUninstall(blockUninstall, userId); 16146 mSettings.writePackageRestrictionsLPr(userId); 16147 } 16148 return true; 16149 } 16150 16151 @Override 16152 public boolean getBlockUninstallForUser(String packageName, int userId) { 16153 synchronized (mPackages) { 16154 PackageSetting ps = mSettings.mPackages.get(packageName); 16155 if (ps == null) { 16156 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16157 return false; 16158 } 16159 return ps.getBlockUninstall(userId); 16160 } 16161 } 16162 16163 @Override 16164 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16165 int callingUid = Binder.getCallingUid(); 16166 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16167 throw new SecurityException( 16168 "setRequiredForSystemUser can only be run by the system or root"); 16169 } 16170 synchronized (mPackages) { 16171 PackageSetting ps = mSettings.mPackages.get(packageName); 16172 if (ps == null) { 16173 Log.w(TAG, "Package doesn't exist: " + packageName); 16174 return false; 16175 } 16176 if (systemUserApp) { 16177 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16178 } else { 16179 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16180 } 16181 mSettings.writeLPr(); 16182 } 16183 return true; 16184 } 16185 16186 /* 16187 * This method handles package deletion in general 16188 */ 16189 private boolean deletePackageLIF(String packageName, UserHandle user, 16190 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16191 PackageRemovedInfo outInfo, boolean writeSettings, 16192 PackageParser.Package replacingPackage) { 16193 if (packageName == null) { 16194 Slog.w(TAG, "Attempt to delete null packageName."); 16195 return false; 16196 } 16197 16198 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16199 16200 PackageSetting ps; 16201 16202 synchronized (mPackages) { 16203 ps = mSettings.mPackages.get(packageName); 16204 if (ps == null) { 16205 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16206 return false; 16207 } 16208 16209 if (ps.parentPackageName != null && (!isSystemApp(ps) 16210 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16211 if (DEBUG_REMOVE) { 16212 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16213 + ((user == null) ? UserHandle.USER_ALL : user)); 16214 } 16215 final int removedUserId = (user != null) ? user.getIdentifier() 16216 : UserHandle.USER_ALL; 16217 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16218 return false; 16219 } 16220 markPackageUninstalledForUserLPw(ps, user); 16221 scheduleWritePackageRestrictionsLocked(user); 16222 return true; 16223 } 16224 } 16225 16226 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16227 && user.getIdentifier() != UserHandle.USER_ALL)) { 16228 // The caller is asking that the package only be deleted for a single 16229 // user. To do this, we just mark its uninstalled state and delete 16230 // its data. If this is a system app, we only allow this to happen if 16231 // they have set the special DELETE_SYSTEM_APP which requests different 16232 // semantics than normal for uninstalling system apps. 16233 markPackageUninstalledForUserLPw(ps, user); 16234 16235 if (!isSystemApp(ps)) { 16236 // Do not uninstall the APK if an app should be cached 16237 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16238 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16239 // Other user still have this package installed, so all 16240 // we need to do is clear this user's data and save that 16241 // it is uninstalled. 16242 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16243 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16244 return false; 16245 } 16246 scheduleWritePackageRestrictionsLocked(user); 16247 return true; 16248 } else { 16249 // We need to set it back to 'installed' so the uninstall 16250 // broadcasts will be sent correctly. 16251 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16252 ps.setInstalled(true, user.getIdentifier()); 16253 } 16254 } else { 16255 // This is a system app, so we assume that the 16256 // other users still have this package installed, so all 16257 // we need to do is clear this user's data and save that 16258 // it is uninstalled. 16259 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16260 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16261 return false; 16262 } 16263 scheduleWritePackageRestrictionsLocked(user); 16264 return true; 16265 } 16266 } 16267 16268 // If we are deleting a composite package for all users, keep track 16269 // of result for each child. 16270 if (ps.childPackageNames != null && outInfo != null) { 16271 synchronized (mPackages) { 16272 final int childCount = ps.childPackageNames.size(); 16273 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16274 for (int i = 0; i < childCount; i++) { 16275 String childPackageName = ps.childPackageNames.get(i); 16276 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16277 childInfo.removedPackage = childPackageName; 16278 outInfo.removedChildPackages.put(childPackageName, childInfo); 16279 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16280 if (childPs != null) { 16281 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16282 } 16283 } 16284 } 16285 } 16286 16287 boolean ret = false; 16288 if (isSystemApp(ps)) { 16289 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16290 // When an updated system application is deleted we delete the existing resources 16291 // as well and fall back to existing code in system partition 16292 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16293 } else { 16294 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16295 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16296 outInfo, writeSettings, replacingPackage); 16297 } 16298 16299 // Take a note whether we deleted the package for all users 16300 if (outInfo != null) { 16301 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16302 if (outInfo.removedChildPackages != null) { 16303 synchronized (mPackages) { 16304 final int childCount = outInfo.removedChildPackages.size(); 16305 for (int i = 0; i < childCount; i++) { 16306 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16307 if (childInfo != null) { 16308 childInfo.removedForAllUsers = mPackages.get( 16309 childInfo.removedPackage) == null; 16310 } 16311 } 16312 } 16313 } 16314 // If we uninstalled an update to a system app there may be some 16315 // child packages that appeared as they are declared in the system 16316 // app but were not declared in the update. 16317 if (isSystemApp(ps)) { 16318 synchronized (mPackages) { 16319 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16320 final int childCount = (updatedPs.childPackageNames != null) 16321 ? updatedPs.childPackageNames.size() : 0; 16322 for (int i = 0; i < childCount; i++) { 16323 String childPackageName = updatedPs.childPackageNames.get(i); 16324 if (outInfo.removedChildPackages == null 16325 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16326 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16327 if (childPs == null) { 16328 continue; 16329 } 16330 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16331 installRes.name = childPackageName; 16332 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16333 installRes.pkg = mPackages.get(childPackageName); 16334 installRes.uid = childPs.pkg.applicationInfo.uid; 16335 if (outInfo.appearedChildPackages == null) { 16336 outInfo.appearedChildPackages = new ArrayMap<>(); 16337 } 16338 outInfo.appearedChildPackages.put(childPackageName, installRes); 16339 } 16340 } 16341 } 16342 } 16343 } 16344 16345 return ret; 16346 } 16347 16348 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16349 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16350 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16351 for (int nextUserId : userIds) { 16352 if (DEBUG_REMOVE) { 16353 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16354 } 16355 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16356 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16357 false /*hidden*/, false /*suspended*/, null, null, null, 16358 false /*blockUninstall*/, 16359 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16360 } 16361 } 16362 16363 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16364 PackageRemovedInfo outInfo) { 16365 final PackageParser.Package pkg; 16366 synchronized (mPackages) { 16367 pkg = mPackages.get(ps.name); 16368 } 16369 16370 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16371 : new int[] {userId}; 16372 for (int nextUserId : userIds) { 16373 if (DEBUG_REMOVE) { 16374 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16375 + nextUserId); 16376 } 16377 16378 destroyAppDataLIF(pkg, userId, 16379 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16380 destroyAppProfilesLIF(pkg, userId); 16381 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16382 schedulePackageCleaning(ps.name, nextUserId, false); 16383 synchronized (mPackages) { 16384 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16385 scheduleWritePackageRestrictionsLocked(nextUserId); 16386 } 16387 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16388 } 16389 } 16390 16391 if (outInfo != null) { 16392 outInfo.removedPackage = ps.name; 16393 outInfo.removedAppId = ps.appId; 16394 outInfo.removedUsers = userIds; 16395 } 16396 16397 return true; 16398 } 16399 16400 private final class ClearStorageConnection implements ServiceConnection { 16401 IMediaContainerService mContainerService; 16402 16403 @Override 16404 public void onServiceConnected(ComponentName name, IBinder service) { 16405 synchronized (this) { 16406 mContainerService = IMediaContainerService.Stub.asInterface(service); 16407 notifyAll(); 16408 } 16409 } 16410 16411 @Override 16412 public void onServiceDisconnected(ComponentName name) { 16413 } 16414 } 16415 16416 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16417 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16418 16419 final boolean mounted; 16420 if (Environment.isExternalStorageEmulated()) { 16421 mounted = true; 16422 } else { 16423 final String status = Environment.getExternalStorageState(); 16424 16425 mounted = status.equals(Environment.MEDIA_MOUNTED) 16426 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16427 } 16428 16429 if (!mounted) { 16430 return; 16431 } 16432 16433 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16434 int[] users; 16435 if (userId == UserHandle.USER_ALL) { 16436 users = sUserManager.getUserIds(); 16437 } else { 16438 users = new int[] { userId }; 16439 } 16440 final ClearStorageConnection conn = new ClearStorageConnection(); 16441 if (mContext.bindServiceAsUser( 16442 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16443 try { 16444 for (int curUser : users) { 16445 long timeout = SystemClock.uptimeMillis() + 5000; 16446 synchronized (conn) { 16447 long now; 16448 while (conn.mContainerService == null && 16449 (now = SystemClock.uptimeMillis()) < timeout) { 16450 try { 16451 conn.wait(timeout - now); 16452 } catch (InterruptedException e) { 16453 } 16454 } 16455 } 16456 if (conn.mContainerService == null) { 16457 return; 16458 } 16459 16460 final UserEnvironment userEnv = new UserEnvironment(curUser); 16461 clearDirectory(conn.mContainerService, 16462 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16463 if (allData) { 16464 clearDirectory(conn.mContainerService, 16465 userEnv.buildExternalStorageAppDataDirs(packageName)); 16466 clearDirectory(conn.mContainerService, 16467 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16468 } 16469 } 16470 } finally { 16471 mContext.unbindService(conn); 16472 } 16473 } 16474 } 16475 16476 @Override 16477 public void clearApplicationProfileData(String packageName) { 16478 enforceSystemOrRoot("Only the system can clear all profile data"); 16479 16480 final PackageParser.Package pkg; 16481 synchronized (mPackages) { 16482 pkg = mPackages.get(packageName); 16483 } 16484 16485 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16486 synchronized (mInstallLock) { 16487 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16488 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16489 true /* removeBaseMarker */); 16490 } 16491 } 16492 } 16493 16494 @Override 16495 public void clearApplicationUserData(final String packageName, 16496 final IPackageDataObserver observer, final int userId) { 16497 mContext.enforceCallingOrSelfPermission( 16498 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16499 16500 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16501 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16502 16503 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16504 throw new SecurityException("Cannot clear data for a protected package: " 16505 + packageName); 16506 } 16507 // Queue up an async operation since the package deletion may take a little while. 16508 mHandler.post(new Runnable() { 16509 public void run() { 16510 mHandler.removeCallbacks(this); 16511 final boolean succeeded; 16512 try (PackageFreezer freezer = freezePackage(packageName, 16513 "clearApplicationUserData")) { 16514 synchronized (mInstallLock) { 16515 succeeded = clearApplicationUserDataLIF(packageName, userId); 16516 } 16517 clearExternalStorageDataSync(packageName, userId, true); 16518 } 16519 if (succeeded) { 16520 // invoke DeviceStorageMonitor's update method to clear any notifications 16521 DeviceStorageMonitorInternal dsm = LocalServices 16522 .getService(DeviceStorageMonitorInternal.class); 16523 if (dsm != null) { 16524 dsm.checkMemory(); 16525 } 16526 } 16527 if(observer != null) { 16528 try { 16529 observer.onRemoveCompleted(packageName, succeeded); 16530 } catch (RemoteException e) { 16531 Log.i(TAG, "Observer no longer exists."); 16532 } 16533 } //end if observer 16534 } //end run 16535 }); 16536 } 16537 16538 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16539 if (packageName == null) { 16540 Slog.w(TAG, "Attempt to delete null packageName."); 16541 return false; 16542 } 16543 16544 // Try finding details about the requested package 16545 PackageParser.Package pkg; 16546 synchronized (mPackages) { 16547 pkg = mPackages.get(packageName); 16548 if (pkg == null) { 16549 final PackageSetting ps = mSettings.mPackages.get(packageName); 16550 if (ps != null) { 16551 pkg = ps.pkg; 16552 } 16553 } 16554 16555 if (pkg == null) { 16556 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16557 return false; 16558 } 16559 16560 PackageSetting ps = (PackageSetting) pkg.mExtras; 16561 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16562 } 16563 16564 clearAppDataLIF(pkg, userId, 16565 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16566 16567 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16568 removeKeystoreDataIfNeeded(userId, appId); 16569 16570 UserManagerInternal umInternal = getUserManagerInternal(); 16571 final int flags; 16572 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16573 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16574 } else if (umInternal.isUserRunning(userId)) { 16575 flags = StorageManager.FLAG_STORAGE_DE; 16576 } else { 16577 flags = 0; 16578 } 16579 prepareAppDataContentsLIF(pkg, userId, flags); 16580 16581 return true; 16582 } 16583 16584 /** 16585 * Reverts user permission state changes (permissions and flags) in 16586 * all packages for a given user. 16587 * 16588 * @param userId The device user for which to do a reset. 16589 */ 16590 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16591 final int packageCount = mPackages.size(); 16592 for (int i = 0; i < packageCount; i++) { 16593 PackageParser.Package pkg = mPackages.valueAt(i); 16594 PackageSetting ps = (PackageSetting) pkg.mExtras; 16595 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16596 } 16597 } 16598 16599 private void resetNetworkPolicies(int userId) { 16600 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16601 } 16602 16603 /** 16604 * Reverts user permission state changes (permissions and flags). 16605 * 16606 * @param ps The package for which to reset. 16607 * @param userId The device user for which to do a reset. 16608 */ 16609 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16610 final PackageSetting ps, final int userId) { 16611 if (ps.pkg == null) { 16612 return; 16613 } 16614 16615 // These are flags that can change base on user actions. 16616 final int userSettableMask = FLAG_PERMISSION_USER_SET 16617 | FLAG_PERMISSION_USER_FIXED 16618 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16619 | FLAG_PERMISSION_REVIEW_REQUIRED; 16620 16621 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16622 | FLAG_PERMISSION_POLICY_FIXED; 16623 16624 boolean writeInstallPermissions = false; 16625 boolean writeRuntimePermissions = false; 16626 16627 final int permissionCount = ps.pkg.requestedPermissions.size(); 16628 for (int i = 0; i < permissionCount; i++) { 16629 String permission = ps.pkg.requestedPermissions.get(i); 16630 16631 BasePermission bp = mSettings.mPermissions.get(permission); 16632 if (bp == null) { 16633 continue; 16634 } 16635 16636 // If shared user we just reset the state to which only this app contributed. 16637 if (ps.sharedUser != null) { 16638 boolean used = false; 16639 final int packageCount = ps.sharedUser.packages.size(); 16640 for (int j = 0; j < packageCount; j++) { 16641 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16642 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16643 && pkg.pkg.requestedPermissions.contains(permission)) { 16644 used = true; 16645 break; 16646 } 16647 } 16648 if (used) { 16649 continue; 16650 } 16651 } 16652 16653 PermissionsState permissionsState = ps.getPermissionsState(); 16654 16655 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16656 16657 // Always clear the user settable flags. 16658 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16659 bp.name) != null; 16660 // If permission review is enabled and this is a legacy app, mark the 16661 // permission as requiring a review as this is the initial state. 16662 int flags = 0; 16663 if (Build.PERMISSIONS_REVIEW_REQUIRED 16664 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16665 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16666 } 16667 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16668 if (hasInstallState) { 16669 writeInstallPermissions = true; 16670 } else { 16671 writeRuntimePermissions = true; 16672 } 16673 } 16674 16675 // Below is only runtime permission handling. 16676 if (!bp.isRuntime()) { 16677 continue; 16678 } 16679 16680 // Never clobber system or policy. 16681 if ((oldFlags & policyOrSystemFlags) != 0) { 16682 continue; 16683 } 16684 16685 // If this permission was granted by default, make sure it is. 16686 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16687 if (permissionsState.grantRuntimePermission(bp, userId) 16688 != PERMISSION_OPERATION_FAILURE) { 16689 writeRuntimePermissions = true; 16690 } 16691 // If permission review is enabled the permissions for a legacy apps 16692 // are represented as constantly granted runtime ones, so don't revoke. 16693 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16694 // Otherwise, reset the permission. 16695 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16696 switch (revokeResult) { 16697 case PERMISSION_OPERATION_SUCCESS: 16698 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16699 writeRuntimePermissions = true; 16700 final int appId = ps.appId; 16701 mHandler.post(new Runnable() { 16702 @Override 16703 public void run() { 16704 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16705 } 16706 }); 16707 } break; 16708 } 16709 } 16710 } 16711 16712 // Synchronously write as we are taking permissions away. 16713 if (writeRuntimePermissions) { 16714 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16715 } 16716 16717 // Synchronously write as we are taking permissions away. 16718 if (writeInstallPermissions) { 16719 mSettings.writeLPr(); 16720 } 16721 } 16722 16723 /** 16724 * Remove entries from the keystore daemon. Will only remove it if the 16725 * {@code appId} is valid. 16726 */ 16727 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16728 if (appId < 0) { 16729 return; 16730 } 16731 16732 final KeyStore keyStore = KeyStore.getInstance(); 16733 if (keyStore != null) { 16734 if (userId == UserHandle.USER_ALL) { 16735 for (final int individual : sUserManager.getUserIds()) { 16736 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16737 } 16738 } else { 16739 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16740 } 16741 } else { 16742 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16743 } 16744 } 16745 16746 @Override 16747 public void deleteApplicationCacheFiles(final String packageName, 16748 final IPackageDataObserver observer) { 16749 final int userId = UserHandle.getCallingUserId(); 16750 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16751 } 16752 16753 @Override 16754 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16755 final IPackageDataObserver observer) { 16756 mContext.enforceCallingOrSelfPermission( 16757 android.Manifest.permission.DELETE_CACHE_FILES, null); 16758 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16759 /* requireFullPermission= */ true, /* checkShell= */ false, 16760 "delete application cache files"); 16761 16762 final PackageParser.Package pkg; 16763 synchronized (mPackages) { 16764 pkg = mPackages.get(packageName); 16765 } 16766 16767 // Queue up an async operation since the package deletion may take a little while. 16768 mHandler.post(new Runnable() { 16769 public void run() { 16770 synchronized (mInstallLock) { 16771 final int flags = StorageManager.FLAG_STORAGE_DE 16772 | StorageManager.FLAG_STORAGE_CE; 16773 // We're only clearing cache files, so we don't care if the 16774 // app is unfrozen and still able to run 16775 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16776 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16777 } 16778 clearExternalStorageDataSync(packageName, userId, false); 16779 if (observer != null) { 16780 try { 16781 observer.onRemoveCompleted(packageName, true); 16782 } catch (RemoteException e) { 16783 Log.i(TAG, "Observer no longer exists."); 16784 } 16785 } 16786 } 16787 }); 16788 } 16789 16790 @Override 16791 public void getPackageSizeInfo(final String packageName, int userHandle, 16792 final IPackageStatsObserver observer) { 16793 mContext.enforceCallingOrSelfPermission( 16794 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16795 if (packageName == null) { 16796 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16797 } 16798 16799 PackageStats stats = new PackageStats(packageName, userHandle); 16800 16801 /* 16802 * Queue up an async operation since the package measurement may take a 16803 * little while. 16804 */ 16805 Message msg = mHandler.obtainMessage(INIT_COPY); 16806 msg.obj = new MeasureParams(stats, observer); 16807 mHandler.sendMessage(msg); 16808 } 16809 16810 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16811 final PackageSetting ps; 16812 synchronized (mPackages) { 16813 ps = mSettings.mPackages.get(packageName); 16814 if (ps == null) { 16815 Slog.w(TAG, "Failed to find settings for " + packageName); 16816 return false; 16817 } 16818 } 16819 try { 16820 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16821 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16822 ps.getCeDataInode(userId), ps.codePathString, stats); 16823 } catch (InstallerException e) { 16824 Slog.w(TAG, String.valueOf(e)); 16825 return false; 16826 } 16827 16828 // For now, ignore code size of packages on system partition 16829 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16830 stats.codeSize = 0; 16831 } 16832 16833 return true; 16834 } 16835 16836 private int getUidTargetSdkVersionLockedLPr(int uid) { 16837 Object obj = mSettings.getUserIdLPr(uid); 16838 if (obj instanceof SharedUserSetting) { 16839 final SharedUserSetting sus = (SharedUserSetting) obj; 16840 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16841 final Iterator<PackageSetting> it = sus.packages.iterator(); 16842 while (it.hasNext()) { 16843 final PackageSetting ps = it.next(); 16844 if (ps.pkg != null) { 16845 int v = ps.pkg.applicationInfo.targetSdkVersion; 16846 if (v < vers) vers = v; 16847 } 16848 } 16849 return vers; 16850 } else if (obj instanceof PackageSetting) { 16851 final PackageSetting ps = (PackageSetting) obj; 16852 if (ps.pkg != null) { 16853 return ps.pkg.applicationInfo.targetSdkVersion; 16854 } 16855 } 16856 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16857 } 16858 16859 @Override 16860 public void addPreferredActivity(IntentFilter filter, int match, 16861 ComponentName[] set, ComponentName activity, int userId) { 16862 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16863 "Adding preferred"); 16864 } 16865 16866 private void addPreferredActivityInternal(IntentFilter filter, int match, 16867 ComponentName[] set, ComponentName activity, boolean always, int userId, 16868 String opname) { 16869 // writer 16870 int callingUid = Binder.getCallingUid(); 16871 enforceCrossUserPermission(callingUid, userId, 16872 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16873 if (filter.countActions() == 0) { 16874 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16875 return; 16876 } 16877 synchronized (mPackages) { 16878 if (mContext.checkCallingOrSelfPermission( 16879 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16880 != PackageManager.PERMISSION_GRANTED) { 16881 if (getUidTargetSdkVersionLockedLPr(callingUid) 16882 < Build.VERSION_CODES.FROYO) { 16883 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16884 + callingUid); 16885 return; 16886 } 16887 mContext.enforceCallingOrSelfPermission( 16888 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16889 } 16890 16891 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16892 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16893 + userId + ":"); 16894 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16895 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16896 scheduleWritePackageRestrictionsLocked(userId); 16897 } 16898 } 16899 16900 @Override 16901 public void replacePreferredActivity(IntentFilter filter, int match, 16902 ComponentName[] set, ComponentName activity, int userId) { 16903 if (filter.countActions() != 1) { 16904 throw new IllegalArgumentException( 16905 "replacePreferredActivity expects filter to have only 1 action."); 16906 } 16907 if (filter.countDataAuthorities() != 0 16908 || filter.countDataPaths() != 0 16909 || filter.countDataSchemes() > 1 16910 || filter.countDataTypes() != 0) { 16911 throw new IllegalArgumentException( 16912 "replacePreferredActivity expects filter to have no data authorities, " + 16913 "paths, or types; and at most one scheme."); 16914 } 16915 16916 final int callingUid = Binder.getCallingUid(); 16917 enforceCrossUserPermission(callingUid, userId, 16918 true /* requireFullPermission */, false /* checkShell */, 16919 "replace preferred activity"); 16920 synchronized (mPackages) { 16921 if (mContext.checkCallingOrSelfPermission( 16922 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16923 != PackageManager.PERMISSION_GRANTED) { 16924 if (getUidTargetSdkVersionLockedLPr(callingUid) 16925 < Build.VERSION_CODES.FROYO) { 16926 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16927 + Binder.getCallingUid()); 16928 return; 16929 } 16930 mContext.enforceCallingOrSelfPermission( 16931 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16932 } 16933 16934 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16935 if (pir != null) { 16936 // Get all of the existing entries that exactly match this filter. 16937 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16938 if (existing != null && existing.size() == 1) { 16939 PreferredActivity cur = existing.get(0); 16940 if (DEBUG_PREFERRED) { 16941 Slog.i(TAG, "Checking replace of preferred:"); 16942 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16943 if (!cur.mPref.mAlways) { 16944 Slog.i(TAG, " -- CUR; not mAlways!"); 16945 } else { 16946 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16947 Slog.i(TAG, " -- CUR: mSet=" 16948 + Arrays.toString(cur.mPref.mSetComponents)); 16949 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16950 Slog.i(TAG, " -- NEW: mMatch=" 16951 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16952 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16953 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16954 } 16955 } 16956 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16957 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16958 && cur.mPref.sameSet(set)) { 16959 // Setting the preferred activity to what it happens to be already 16960 if (DEBUG_PREFERRED) { 16961 Slog.i(TAG, "Replacing with same preferred activity " 16962 + cur.mPref.mShortComponent + " for user " 16963 + userId + ":"); 16964 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16965 } 16966 return; 16967 } 16968 } 16969 16970 if (existing != null) { 16971 if (DEBUG_PREFERRED) { 16972 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16973 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16974 } 16975 for (int i = 0; i < existing.size(); i++) { 16976 PreferredActivity pa = existing.get(i); 16977 if (DEBUG_PREFERRED) { 16978 Slog.i(TAG, "Removing existing preferred activity " 16979 + pa.mPref.mComponent + ":"); 16980 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16981 } 16982 pir.removeFilter(pa); 16983 } 16984 } 16985 } 16986 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16987 "Replacing preferred"); 16988 } 16989 } 16990 16991 @Override 16992 public void clearPackagePreferredActivities(String packageName) { 16993 final int uid = Binder.getCallingUid(); 16994 // writer 16995 synchronized (mPackages) { 16996 PackageParser.Package pkg = mPackages.get(packageName); 16997 if (pkg == null || pkg.applicationInfo.uid != uid) { 16998 if (mContext.checkCallingOrSelfPermission( 16999 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17000 != PackageManager.PERMISSION_GRANTED) { 17001 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17002 < Build.VERSION_CODES.FROYO) { 17003 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17004 + Binder.getCallingUid()); 17005 return; 17006 } 17007 mContext.enforceCallingOrSelfPermission( 17008 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17009 } 17010 } 17011 17012 int user = UserHandle.getCallingUserId(); 17013 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17014 scheduleWritePackageRestrictionsLocked(user); 17015 } 17016 } 17017 } 17018 17019 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17020 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17021 ArrayList<PreferredActivity> removed = null; 17022 boolean changed = false; 17023 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17024 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17025 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17026 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17027 continue; 17028 } 17029 Iterator<PreferredActivity> it = pir.filterIterator(); 17030 while (it.hasNext()) { 17031 PreferredActivity pa = it.next(); 17032 // Mark entry for removal only if it matches the package name 17033 // and the entry is of type "always". 17034 if (packageName == null || 17035 (pa.mPref.mComponent.getPackageName().equals(packageName) 17036 && pa.mPref.mAlways)) { 17037 if (removed == null) { 17038 removed = new ArrayList<PreferredActivity>(); 17039 } 17040 removed.add(pa); 17041 } 17042 } 17043 if (removed != null) { 17044 for (int j=0; j<removed.size(); j++) { 17045 PreferredActivity pa = removed.get(j); 17046 pir.removeFilter(pa); 17047 } 17048 changed = true; 17049 } 17050 } 17051 return changed; 17052 } 17053 17054 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17055 private void clearIntentFilterVerificationsLPw(int userId) { 17056 final int packageCount = mPackages.size(); 17057 for (int i = 0; i < packageCount; i++) { 17058 PackageParser.Package pkg = mPackages.valueAt(i); 17059 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17060 } 17061 } 17062 17063 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17064 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17065 if (userId == UserHandle.USER_ALL) { 17066 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17067 sUserManager.getUserIds())) { 17068 for (int oneUserId : sUserManager.getUserIds()) { 17069 scheduleWritePackageRestrictionsLocked(oneUserId); 17070 } 17071 } 17072 } else { 17073 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17074 scheduleWritePackageRestrictionsLocked(userId); 17075 } 17076 } 17077 } 17078 17079 void clearDefaultBrowserIfNeeded(String packageName) { 17080 for (int oneUserId : sUserManager.getUserIds()) { 17081 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17082 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17083 if (packageName.equals(defaultBrowserPackageName)) { 17084 setDefaultBrowserPackageName(null, oneUserId); 17085 } 17086 } 17087 } 17088 17089 @Override 17090 public void resetApplicationPreferences(int userId) { 17091 mContext.enforceCallingOrSelfPermission( 17092 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17093 final long identity = Binder.clearCallingIdentity(); 17094 // writer 17095 try { 17096 synchronized (mPackages) { 17097 clearPackagePreferredActivitiesLPw(null, userId); 17098 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17099 // TODO: We have to reset the default SMS and Phone. This requires 17100 // significant refactoring to keep all default apps in the package 17101 // manager (cleaner but more work) or have the services provide 17102 // callbacks to the package manager to request a default app reset. 17103 applyFactoryDefaultBrowserLPw(userId); 17104 clearIntentFilterVerificationsLPw(userId); 17105 primeDomainVerificationsLPw(userId); 17106 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17107 scheduleWritePackageRestrictionsLocked(userId); 17108 } 17109 resetNetworkPolicies(userId); 17110 } finally { 17111 Binder.restoreCallingIdentity(identity); 17112 } 17113 } 17114 17115 @Override 17116 public int getPreferredActivities(List<IntentFilter> outFilters, 17117 List<ComponentName> outActivities, String packageName) { 17118 17119 int num = 0; 17120 final int userId = UserHandle.getCallingUserId(); 17121 // reader 17122 synchronized (mPackages) { 17123 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17124 if (pir != null) { 17125 final Iterator<PreferredActivity> it = pir.filterIterator(); 17126 while (it.hasNext()) { 17127 final PreferredActivity pa = it.next(); 17128 if (packageName == null 17129 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17130 && pa.mPref.mAlways)) { 17131 if (outFilters != null) { 17132 outFilters.add(new IntentFilter(pa)); 17133 } 17134 if (outActivities != null) { 17135 outActivities.add(pa.mPref.mComponent); 17136 } 17137 } 17138 } 17139 } 17140 } 17141 17142 return num; 17143 } 17144 17145 @Override 17146 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17147 int userId) { 17148 int callingUid = Binder.getCallingUid(); 17149 if (callingUid != Process.SYSTEM_UID) { 17150 throw new SecurityException( 17151 "addPersistentPreferredActivity can only be run by the system"); 17152 } 17153 if (filter.countActions() == 0) { 17154 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17155 return; 17156 } 17157 synchronized (mPackages) { 17158 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17159 ":"); 17160 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17161 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17162 new PersistentPreferredActivity(filter, activity)); 17163 scheduleWritePackageRestrictionsLocked(userId); 17164 } 17165 } 17166 17167 @Override 17168 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17169 int callingUid = Binder.getCallingUid(); 17170 if (callingUid != Process.SYSTEM_UID) { 17171 throw new SecurityException( 17172 "clearPackagePersistentPreferredActivities can only be run by the system"); 17173 } 17174 ArrayList<PersistentPreferredActivity> removed = null; 17175 boolean changed = false; 17176 synchronized (mPackages) { 17177 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17178 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17179 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17180 .valueAt(i); 17181 if (userId != thisUserId) { 17182 continue; 17183 } 17184 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17185 while (it.hasNext()) { 17186 PersistentPreferredActivity ppa = it.next(); 17187 // Mark entry for removal only if it matches the package name. 17188 if (ppa.mComponent.getPackageName().equals(packageName)) { 17189 if (removed == null) { 17190 removed = new ArrayList<PersistentPreferredActivity>(); 17191 } 17192 removed.add(ppa); 17193 } 17194 } 17195 if (removed != null) { 17196 for (int j=0; j<removed.size(); j++) { 17197 PersistentPreferredActivity ppa = removed.get(j); 17198 ppir.removeFilter(ppa); 17199 } 17200 changed = true; 17201 } 17202 } 17203 17204 if (changed) { 17205 scheduleWritePackageRestrictionsLocked(userId); 17206 } 17207 } 17208 } 17209 17210 /** 17211 * Common machinery for picking apart a restored XML blob and passing 17212 * it to a caller-supplied functor to be applied to the running system. 17213 */ 17214 private void restoreFromXml(XmlPullParser parser, int userId, 17215 String expectedStartTag, BlobXmlRestorer functor) 17216 throws IOException, XmlPullParserException { 17217 int type; 17218 while ((type = parser.next()) != XmlPullParser.START_TAG 17219 && type != XmlPullParser.END_DOCUMENT) { 17220 } 17221 if (type != XmlPullParser.START_TAG) { 17222 // oops didn't find a start tag?! 17223 if (DEBUG_BACKUP) { 17224 Slog.e(TAG, "Didn't find start tag during restore"); 17225 } 17226 return; 17227 } 17228Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17229 // this is supposed to be TAG_PREFERRED_BACKUP 17230 if (!expectedStartTag.equals(parser.getName())) { 17231 if (DEBUG_BACKUP) { 17232 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17233 } 17234 return; 17235 } 17236 17237 // skip interfering stuff, then we're aligned with the backing implementation 17238 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17239Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17240 functor.apply(parser, userId); 17241 } 17242 17243 private interface BlobXmlRestorer { 17244 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17245 } 17246 17247 /** 17248 * Non-Binder method, support for the backup/restore mechanism: write the 17249 * full set of preferred activities in its canonical XML format. Returns the 17250 * XML output as a byte array, or null if there is none. 17251 */ 17252 @Override 17253 public byte[] getPreferredActivityBackup(int userId) { 17254 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17255 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17256 } 17257 17258 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17259 try { 17260 final XmlSerializer serializer = new FastXmlSerializer(); 17261 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17262 serializer.startDocument(null, true); 17263 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17264 17265 synchronized (mPackages) { 17266 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17267 } 17268 17269 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17270 serializer.endDocument(); 17271 serializer.flush(); 17272 } catch (Exception e) { 17273 if (DEBUG_BACKUP) { 17274 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17275 } 17276 return null; 17277 } 17278 17279 return dataStream.toByteArray(); 17280 } 17281 17282 @Override 17283 public void restorePreferredActivities(byte[] backup, int userId) { 17284 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17285 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17286 } 17287 17288 try { 17289 final XmlPullParser parser = Xml.newPullParser(); 17290 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17291 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17292 new BlobXmlRestorer() { 17293 @Override 17294 public void apply(XmlPullParser parser, int userId) 17295 throws XmlPullParserException, IOException { 17296 synchronized (mPackages) { 17297 mSettings.readPreferredActivitiesLPw(parser, userId); 17298 } 17299 } 17300 } ); 17301 } catch (Exception e) { 17302 if (DEBUG_BACKUP) { 17303 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17304 } 17305 } 17306 } 17307 17308 /** 17309 * Non-Binder method, support for the backup/restore mechanism: write the 17310 * default browser (etc) settings in its canonical XML format. Returns the default 17311 * browser XML representation as a byte array, or null if there is none. 17312 */ 17313 @Override 17314 public byte[] getDefaultAppsBackup(int userId) { 17315 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17316 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17317 } 17318 17319 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17320 try { 17321 final XmlSerializer serializer = new FastXmlSerializer(); 17322 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17323 serializer.startDocument(null, true); 17324 serializer.startTag(null, TAG_DEFAULT_APPS); 17325 17326 synchronized (mPackages) { 17327 mSettings.writeDefaultAppsLPr(serializer, userId); 17328 } 17329 17330 serializer.endTag(null, TAG_DEFAULT_APPS); 17331 serializer.endDocument(); 17332 serializer.flush(); 17333 } catch (Exception e) { 17334 if (DEBUG_BACKUP) { 17335 Slog.e(TAG, "Unable to write default apps for backup", e); 17336 } 17337 return null; 17338 } 17339 17340 return dataStream.toByteArray(); 17341 } 17342 17343 @Override 17344 public void restoreDefaultApps(byte[] backup, int userId) { 17345 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17346 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17347 } 17348 17349 try { 17350 final XmlPullParser parser = Xml.newPullParser(); 17351 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17352 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17353 new BlobXmlRestorer() { 17354 @Override 17355 public void apply(XmlPullParser parser, int userId) 17356 throws XmlPullParserException, IOException { 17357 synchronized (mPackages) { 17358 mSettings.readDefaultAppsLPw(parser, userId); 17359 } 17360 } 17361 } ); 17362 } catch (Exception e) { 17363 if (DEBUG_BACKUP) { 17364 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17365 } 17366 } 17367 } 17368 17369 @Override 17370 public byte[] getIntentFilterVerificationBackup(int userId) { 17371 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17372 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17373 } 17374 17375 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17376 try { 17377 final XmlSerializer serializer = new FastXmlSerializer(); 17378 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17379 serializer.startDocument(null, true); 17380 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17381 17382 synchronized (mPackages) { 17383 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17384 } 17385 17386 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17387 serializer.endDocument(); 17388 serializer.flush(); 17389 } catch (Exception e) { 17390 if (DEBUG_BACKUP) { 17391 Slog.e(TAG, "Unable to write default apps for backup", e); 17392 } 17393 return null; 17394 } 17395 17396 return dataStream.toByteArray(); 17397 } 17398 17399 @Override 17400 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17401 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17402 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17403 } 17404 17405 try { 17406 final XmlPullParser parser = Xml.newPullParser(); 17407 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17408 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17409 new BlobXmlRestorer() { 17410 @Override 17411 public void apply(XmlPullParser parser, int userId) 17412 throws XmlPullParserException, IOException { 17413 synchronized (mPackages) { 17414 mSettings.readAllDomainVerificationsLPr(parser, userId); 17415 mSettings.writeLPr(); 17416 } 17417 } 17418 } ); 17419 } catch (Exception e) { 17420 if (DEBUG_BACKUP) { 17421 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17422 } 17423 } 17424 } 17425 17426 @Override 17427 public byte[] getPermissionGrantBackup(int userId) { 17428 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17429 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17430 } 17431 17432 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17433 try { 17434 final XmlSerializer serializer = new FastXmlSerializer(); 17435 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17436 serializer.startDocument(null, true); 17437 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17438 17439 synchronized (mPackages) { 17440 serializeRuntimePermissionGrantsLPr(serializer, userId); 17441 } 17442 17443 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17444 serializer.endDocument(); 17445 serializer.flush(); 17446 } catch (Exception e) { 17447 if (DEBUG_BACKUP) { 17448 Slog.e(TAG, "Unable to write default apps for backup", e); 17449 } 17450 return null; 17451 } 17452 17453 return dataStream.toByteArray(); 17454 } 17455 17456 @Override 17457 public void restorePermissionGrants(byte[] backup, int userId) { 17458 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17459 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17460 } 17461 17462 try { 17463 final XmlPullParser parser = Xml.newPullParser(); 17464 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17465 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17466 new BlobXmlRestorer() { 17467 @Override 17468 public void apply(XmlPullParser parser, int userId) 17469 throws XmlPullParserException, IOException { 17470 synchronized (mPackages) { 17471 processRestoredPermissionGrantsLPr(parser, userId); 17472 } 17473 } 17474 } ); 17475 } catch (Exception e) { 17476 if (DEBUG_BACKUP) { 17477 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17478 } 17479 } 17480 } 17481 17482 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17483 throws IOException { 17484 serializer.startTag(null, TAG_ALL_GRANTS); 17485 17486 final int N = mSettings.mPackages.size(); 17487 for (int i = 0; i < N; i++) { 17488 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17489 boolean pkgGrantsKnown = false; 17490 17491 PermissionsState packagePerms = ps.getPermissionsState(); 17492 17493 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17494 final int grantFlags = state.getFlags(); 17495 // only look at grants that are not system/policy fixed 17496 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17497 final boolean isGranted = state.isGranted(); 17498 // And only back up the user-twiddled state bits 17499 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17500 final String packageName = mSettings.mPackages.keyAt(i); 17501 if (!pkgGrantsKnown) { 17502 serializer.startTag(null, TAG_GRANT); 17503 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17504 pkgGrantsKnown = true; 17505 } 17506 17507 final boolean userSet = 17508 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17509 final boolean userFixed = 17510 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17511 final boolean revoke = 17512 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17513 17514 serializer.startTag(null, TAG_PERMISSION); 17515 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17516 if (isGranted) { 17517 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17518 } 17519 if (userSet) { 17520 serializer.attribute(null, ATTR_USER_SET, "true"); 17521 } 17522 if (userFixed) { 17523 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17524 } 17525 if (revoke) { 17526 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17527 } 17528 serializer.endTag(null, TAG_PERMISSION); 17529 } 17530 } 17531 } 17532 17533 if (pkgGrantsKnown) { 17534 serializer.endTag(null, TAG_GRANT); 17535 } 17536 } 17537 17538 serializer.endTag(null, TAG_ALL_GRANTS); 17539 } 17540 17541 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17542 throws XmlPullParserException, IOException { 17543 String pkgName = null; 17544 int outerDepth = parser.getDepth(); 17545 int type; 17546 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17547 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17548 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17549 continue; 17550 } 17551 17552 final String tagName = parser.getName(); 17553 if (tagName.equals(TAG_GRANT)) { 17554 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17555 if (DEBUG_BACKUP) { 17556 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17557 } 17558 } else if (tagName.equals(TAG_PERMISSION)) { 17559 17560 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17561 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17562 17563 int newFlagSet = 0; 17564 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17565 newFlagSet |= FLAG_PERMISSION_USER_SET; 17566 } 17567 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17568 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17569 } 17570 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17571 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17572 } 17573 if (DEBUG_BACKUP) { 17574 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17575 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17576 } 17577 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17578 if (ps != null) { 17579 // Already installed so we apply the grant immediately 17580 if (DEBUG_BACKUP) { 17581 Slog.v(TAG, " + already installed; applying"); 17582 } 17583 PermissionsState perms = ps.getPermissionsState(); 17584 BasePermission bp = mSettings.mPermissions.get(permName); 17585 if (bp != null) { 17586 if (isGranted) { 17587 perms.grantRuntimePermission(bp, userId); 17588 } 17589 if (newFlagSet != 0) { 17590 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17591 } 17592 } 17593 } else { 17594 // Need to wait for post-restore install to apply the grant 17595 if (DEBUG_BACKUP) { 17596 Slog.v(TAG, " - not yet installed; saving for later"); 17597 } 17598 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17599 isGranted, newFlagSet, userId); 17600 } 17601 } else { 17602 PackageManagerService.reportSettingsProblem(Log.WARN, 17603 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17604 XmlUtils.skipCurrentTag(parser); 17605 } 17606 } 17607 17608 scheduleWriteSettingsLocked(); 17609 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17610 } 17611 17612 @Override 17613 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17614 int sourceUserId, int targetUserId, int flags) { 17615 mContext.enforceCallingOrSelfPermission( 17616 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17617 int callingUid = Binder.getCallingUid(); 17618 enforceOwnerRights(ownerPackage, callingUid); 17619 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17620 if (intentFilter.countActions() == 0) { 17621 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17622 return; 17623 } 17624 synchronized (mPackages) { 17625 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17626 ownerPackage, targetUserId, flags); 17627 CrossProfileIntentResolver resolver = 17628 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17629 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17630 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17631 if (existing != null) { 17632 int size = existing.size(); 17633 for (int i = 0; i < size; i++) { 17634 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17635 return; 17636 } 17637 } 17638 } 17639 resolver.addFilter(newFilter); 17640 scheduleWritePackageRestrictionsLocked(sourceUserId); 17641 } 17642 } 17643 17644 @Override 17645 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17646 mContext.enforceCallingOrSelfPermission( 17647 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17648 int callingUid = Binder.getCallingUid(); 17649 enforceOwnerRights(ownerPackage, callingUid); 17650 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17651 synchronized (mPackages) { 17652 CrossProfileIntentResolver resolver = 17653 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17654 ArraySet<CrossProfileIntentFilter> set = 17655 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17656 for (CrossProfileIntentFilter filter : set) { 17657 if (filter.getOwnerPackage().equals(ownerPackage)) { 17658 resolver.removeFilter(filter); 17659 } 17660 } 17661 scheduleWritePackageRestrictionsLocked(sourceUserId); 17662 } 17663 } 17664 17665 // Enforcing that callingUid is owning pkg on userId 17666 private void enforceOwnerRights(String pkg, int callingUid) { 17667 // The system owns everything. 17668 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17669 return; 17670 } 17671 int callingUserId = UserHandle.getUserId(callingUid); 17672 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17673 if (pi == null) { 17674 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17675 + callingUserId); 17676 } 17677 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17678 throw new SecurityException("Calling uid " + callingUid 17679 + " does not own package " + pkg); 17680 } 17681 } 17682 17683 @Override 17684 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17685 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17686 } 17687 17688 private Intent getHomeIntent() { 17689 Intent intent = new Intent(Intent.ACTION_MAIN); 17690 intent.addCategory(Intent.CATEGORY_HOME); 17691 intent.addCategory(Intent.CATEGORY_DEFAULT); 17692 return intent; 17693 } 17694 17695 private IntentFilter getHomeFilter() { 17696 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17697 filter.addCategory(Intent.CATEGORY_HOME); 17698 filter.addCategory(Intent.CATEGORY_DEFAULT); 17699 return filter; 17700 } 17701 17702 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17703 int userId) { 17704 Intent intent = getHomeIntent(); 17705 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17706 PackageManager.GET_META_DATA, userId); 17707 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17708 true, false, false, userId); 17709 17710 allHomeCandidates.clear(); 17711 if (list != null) { 17712 for (ResolveInfo ri : list) { 17713 allHomeCandidates.add(ri); 17714 } 17715 } 17716 return (preferred == null || preferred.activityInfo == null) 17717 ? null 17718 : new ComponentName(preferred.activityInfo.packageName, 17719 preferred.activityInfo.name); 17720 } 17721 17722 @Override 17723 public void setHomeActivity(ComponentName comp, int userId) { 17724 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17725 getHomeActivitiesAsUser(homeActivities, userId); 17726 17727 boolean found = false; 17728 17729 final int size = homeActivities.size(); 17730 final ComponentName[] set = new ComponentName[size]; 17731 for (int i = 0; i < size; i++) { 17732 final ResolveInfo candidate = homeActivities.get(i); 17733 final ActivityInfo info = candidate.activityInfo; 17734 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17735 set[i] = activityName; 17736 if (!found && activityName.equals(comp)) { 17737 found = true; 17738 } 17739 } 17740 if (!found) { 17741 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17742 + userId); 17743 } 17744 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17745 set, comp, userId); 17746 } 17747 17748 private @Nullable String getSetupWizardPackageName() { 17749 final Intent intent = new Intent(Intent.ACTION_MAIN); 17750 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17751 17752 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17753 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17754 | MATCH_DISABLED_COMPONENTS, 17755 UserHandle.myUserId()); 17756 if (matches.size() == 1) { 17757 return matches.get(0).getComponentInfo().packageName; 17758 } else { 17759 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17760 + ": matches=" + matches); 17761 return null; 17762 } 17763 } 17764 17765 @Override 17766 public void setApplicationEnabledSetting(String appPackageName, 17767 int newState, int flags, int userId, String callingPackage) { 17768 if (!sUserManager.exists(userId)) return; 17769 if (callingPackage == null) { 17770 callingPackage = Integer.toString(Binder.getCallingUid()); 17771 } 17772 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17773 } 17774 17775 @Override 17776 public void setComponentEnabledSetting(ComponentName componentName, 17777 int newState, int flags, int userId) { 17778 if (!sUserManager.exists(userId)) return; 17779 setEnabledSetting(componentName.getPackageName(), 17780 componentName.getClassName(), newState, flags, userId, null); 17781 } 17782 17783 private void setEnabledSetting(final String packageName, String className, int newState, 17784 final int flags, int userId, String callingPackage) { 17785 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17786 || newState == COMPONENT_ENABLED_STATE_ENABLED 17787 || newState == COMPONENT_ENABLED_STATE_DISABLED 17788 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17789 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17790 throw new IllegalArgumentException("Invalid new component state: " 17791 + newState); 17792 } 17793 PackageSetting pkgSetting; 17794 final int uid = Binder.getCallingUid(); 17795 final int permission; 17796 if (uid == Process.SYSTEM_UID) { 17797 permission = PackageManager.PERMISSION_GRANTED; 17798 } else { 17799 permission = mContext.checkCallingOrSelfPermission( 17800 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17801 } 17802 enforceCrossUserPermission(uid, userId, 17803 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17804 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17805 boolean sendNow = false; 17806 boolean isApp = (className == null); 17807 String componentName = isApp ? packageName : className; 17808 int packageUid = -1; 17809 ArrayList<String> components; 17810 17811 // writer 17812 synchronized (mPackages) { 17813 pkgSetting = mSettings.mPackages.get(packageName); 17814 if (pkgSetting == null) { 17815 if (className == null) { 17816 throw new IllegalArgumentException("Unknown package: " + packageName); 17817 } 17818 throw new IllegalArgumentException( 17819 "Unknown component: " + packageName + "/" + className); 17820 } 17821 } 17822 17823 // Limit who can change which apps 17824 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17825 // Don't allow apps that don't have permission to modify other apps 17826 if (!allowedByPermission) { 17827 throw new SecurityException( 17828 "Permission Denial: attempt to change component state from pid=" 17829 + Binder.getCallingPid() 17830 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17831 } 17832 // Don't allow changing protected packages. 17833 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17834 throw new SecurityException("Cannot disable a protected package: " + packageName); 17835 } 17836 } 17837 17838 synchronized (mPackages) { 17839 if (uid == Process.SHELL_UID) { 17840 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17841 int oldState = pkgSetting.getEnabled(userId); 17842 if (className == null 17843 && 17844 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17845 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17846 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17847 && 17848 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17849 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17850 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17851 // ok 17852 } else { 17853 throw new SecurityException( 17854 "Shell cannot change component state for " + packageName + "/" 17855 + className + " to " + newState); 17856 } 17857 } 17858 if (className == null) { 17859 // We're dealing with an application/package level state change 17860 if (pkgSetting.getEnabled(userId) == newState) { 17861 // Nothing to do 17862 return; 17863 } 17864 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17865 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17866 // Don't care about who enables an app. 17867 callingPackage = null; 17868 } 17869 pkgSetting.setEnabled(newState, userId, callingPackage); 17870 // pkgSetting.pkg.mSetEnabled = newState; 17871 } else { 17872 // We're dealing with a component level state change 17873 // First, verify that this is a valid class name. 17874 PackageParser.Package pkg = pkgSetting.pkg; 17875 if (pkg == null || !pkg.hasComponentClassName(className)) { 17876 if (pkg != null && 17877 pkg.applicationInfo.targetSdkVersion >= 17878 Build.VERSION_CODES.JELLY_BEAN) { 17879 throw new IllegalArgumentException("Component class " + className 17880 + " does not exist in " + packageName); 17881 } else { 17882 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17883 + className + " does not exist in " + packageName); 17884 } 17885 } 17886 switch (newState) { 17887 case COMPONENT_ENABLED_STATE_ENABLED: 17888 if (!pkgSetting.enableComponentLPw(className, userId)) { 17889 return; 17890 } 17891 break; 17892 case COMPONENT_ENABLED_STATE_DISABLED: 17893 if (!pkgSetting.disableComponentLPw(className, userId)) { 17894 return; 17895 } 17896 break; 17897 case COMPONENT_ENABLED_STATE_DEFAULT: 17898 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17899 return; 17900 } 17901 break; 17902 default: 17903 Slog.e(TAG, "Invalid new component state: " + newState); 17904 return; 17905 } 17906 } 17907 scheduleWritePackageRestrictionsLocked(userId); 17908 components = mPendingBroadcasts.get(userId, packageName); 17909 final boolean newPackage = components == null; 17910 if (newPackage) { 17911 components = new ArrayList<String>(); 17912 } 17913 if (!components.contains(componentName)) { 17914 components.add(componentName); 17915 } 17916 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17917 sendNow = true; 17918 // Purge entry from pending broadcast list if another one exists already 17919 // since we are sending one right away. 17920 mPendingBroadcasts.remove(userId, packageName); 17921 } else { 17922 if (newPackage) { 17923 mPendingBroadcasts.put(userId, packageName, components); 17924 } 17925 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17926 // Schedule a message 17927 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17928 } 17929 } 17930 } 17931 17932 long callingId = Binder.clearCallingIdentity(); 17933 try { 17934 if (sendNow) { 17935 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17936 sendPackageChangedBroadcast(packageName, 17937 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17938 } 17939 } finally { 17940 Binder.restoreCallingIdentity(callingId); 17941 } 17942 } 17943 17944 @Override 17945 public void flushPackageRestrictionsAsUser(int userId) { 17946 if (!sUserManager.exists(userId)) { 17947 return; 17948 } 17949 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17950 false /* checkShell */, "flushPackageRestrictions"); 17951 synchronized (mPackages) { 17952 mSettings.writePackageRestrictionsLPr(userId); 17953 mDirtyUsers.remove(userId); 17954 if (mDirtyUsers.isEmpty()) { 17955 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17956 } 17957 } 17958 } 17959 17960 private void sendPackageChangedBroadcast(String packageName, 17961 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17962 if (DEBUG_INSTALL) 17963 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17964 + componentNames); 17965 Bundle extras = new Bundle(4); 17966 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17967 String nameList[] = new String[componentNames.size()]; 17968 componentNames.toArray(nameList); 17969 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17970 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17971 extras.putInt(Intent.EXTRA_UID, packageUid); 17972 // If this is not reporting a change of the overall package, then only send it 17973 // to registered receivers. We don't want to launch a swath of apps for every 17974 // little component state change. 17975 final int flags = !componentNames.contains(packageName) 17976 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17977 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17978 new int[] {UserHandle.getUserId(packageUid)}); 17979 } 17980 17981 @Override 17982 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17983 if (!sUserManager.exists(userId)) return; 17984 final int uid = Binder.getCallingUid(); 17985 final int permission = mContext.checkCallingOrSelfPermission( 17986 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17987 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17988 enforceCrossUserPermission(uid, userId, 17989 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17990 // writer 17991 synchronized (mPackages) { 17992 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17993 allowedByPermission, uid, userId)) { 17994 scheduleWritePackageRestrictionsLocked(userId); 17995 } 17996 } 17997 } 17998 17999 @Override 18000 public String getInstallerPackageName(String packageName) { 18001 // reader 18002 synchronized (mPackages) { 18003 return mSettings.getInstallerPackageNameLPr(packageName); 18004 } 18005 } 18006 18007 public boolean isOrphaned(String packageName) { 18008 // reader 18009 synchronized (mPackages) { 18010 return mSettings.isOrphaned(packageName); 18011 } 18012 } 18013 18014 @Override 18015 public int getApplicationEnabledSetting(String packageName, int userId) { 18016 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18017 int uid = Binder.getCallingUid(); 18018 enforceCrossUserPermission(uid, userId, 18019 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18020 // reader 18021 synchronized (mPackages) { 18022 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18023 } 18024 } 18025 18026 @Override 18027 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18028 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18029 int uid = Binder.getCallingUid(); 18030 enforceCrossUserPermission(uid, userId, 18031 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18032 // reader 18033 synchronized (mPackages) { 18034 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18035 } 18036 } 18037 18038 @Override 18039 public void enterSafeMode() { 18040 enforceSystemOrRoot("Only the system can request entering safe mode"); 18041 18042 if (!mSystemReady) { 18043 mSafeMode = true; 18044 } 18045 } 18046 18047 @Override 18048 public void systemReady() { 18049 mSystemReady = true; 18050 18051 // Read the compatibilty setting when the system is ready. 18052 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18053 mContext.getContentResolver(), 18054 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18055 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18056 if (DEBUG_SETTINGS) { 18057 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18058 } 18059 18060 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18061 18062 synchronized (mPackages) { 18063 // Verify that all of the preferred activity components actually 18064 // exist. It is possible for applications to be updated and at 18065 // that point remove a previously declared activity component that 18066 // had been set as a preferred activity. We try to clean this up 18067 // the next time we encounter that preferred activity, but it is 18068 // possible for the user flow to never be able to return to that 18069 // situation so here we do a sanity check to make sure we haven't 18070 // left any junk around. 18071 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18072 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18073 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18074 removed.clear(); 18075 for (PreferredActivity pa : pir.filterSet()) { 18076 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18077 removed.add(pa); 18078 } 18079 } 18080 if (removed.size() > 0) { 18081 for (int r=0; r<removed.size(); r++) { 18082 PreferredActivity pa = removed.get(r); 18083 Slog.w(TAG, "Removing dangling preferred activity: " 18084 + pa.mPref.mComponent); 18085 pir.removeFilter(pa); 18086 } 18087 mSettings.writePackageRestrictionsLPr( 18088 mSettings.mPreferredActivities.keyAt(i)); 18089 } 18090 } 18091 18092 for (int userId : UserManagerService.getInstance().getUserIds()) { 18093 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18094 grantPermissionsUserIds = ArrayUtils.appendInt( 18095 grantPermissionsUserIds, userId); 18096 } 18097 } 18098 } 18099 sUserManager.systemReady(); 18100 18101 // If we upgraded grant all default permissions before kicking off. 18102 for (int userId : grantPermissionsUserIds) { 18103 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18104 } 18105 18106 // Kick off any messages waiting for system ready 18107 if (mPostSystemReadyMessages != null) { 18108 for (Message msg : mPostSystemReadyMessages) { 18109 msg.sendToTarget(); 18110 } 18111 mPostSystemReadyMessages = null; 18112 } 18113 18114 // Watch for external volumes that come and go over time 18115 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18116 storage.registerListener(mStorageListener); 18117 18118 mInstallerService.systemReady(); 18119 mPackageDexOptimizer.systemReady(); 18120 18121 MountServiceInternal mountServiceInternal = LocalServices.getService( 18122 MountServiceInternal.class); 18123 mountServiceInternal.addExternalStoragePolicy( 18124 new MountServiceInternal.ExternalStorageMountPolicy() { 18125 @Override 18126 public int getMountMode(int uid, String packageName) { 18127 if (Process.isIsolated(uid)) { 18128 return Zygote.MOUNT_EXTERNAL_NONE; 18129 } 18130 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18131 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18132 } 18133 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18134 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18135 } 18136 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18137 return Zygote.MOUNT_EXTERNAL_READ; 18138 } 18139 return Zygote.MOUNT_EXTERNAL_WRITE; 18140 } 18141 18142 @Override 18143 public boolean hasExternalStorage(int uid, String packageName) { 18144 return true; 18145 } 18146 }); 18147 18148 // Now that we're mostly running, clean up stale users and apps 18149 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18150 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18151 } 18152 18153 @Override 18154 public boolean isSafeMode() { 18155 return mSafeMode; 18156 } 18157 18158 @Override 18159 public boolean hasSystemUidErrors() { 18160 return mHasSystemUidErrors; 18161 } 18162 18163 static String arrayToString(int[] array) { 18164 StringBuffer buf = new StringBuffer(128); 18165 buf.append('['); 18166 if (array != null) { 18167 for (int i=0; i<array.length; i++) { 18168 if (i > 0) buf.append(", "); 18169 buf.append(array[i]); 18170 } 18171 } 18172 buf.append(']'); 18173 return buf.toString(); 18174 } 18175 18176 static class DumpState { 18177 public static final int DUMP_LIBS = 1 << 0; 18178 public static final int DUMP_FEATURES = 1 << 1; 18179 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18180 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18181 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18182 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18183 public static final int DUMP_PERMISSIONS = 1 << 6; 18184 public static final int DUMP_PACKAGES = 1 << 7; 18185 public static final int DUMP_SHARED_USERS = 1 << 8; 18186 public static final int DUMP_MESSAGES = 1 << 9; 18187 public static final int DUMP_PROVIDERS = 1 << 10; 18188 public static final int DUMP_VERIFIERS = 1 << 11; 18189 public static final int DUMP_PREFERRED = 1 << 12; 18190 public static final int DUMP_PREFERRED_XML = 1 << 13; 18191 public static final int DUMP_KEYSETS = 1 << 14; 18192 public static final int DUMP_VERSION = 1 << 15; 18193 public static final int DUMP_INSTALLS = 1 << 16; 18194 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18195 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18196 public static final int DUMP_FROZEN = 1 << 19; 18197 public static final int DUMP_DEXOPT = 1 << 20; 18198 18199 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18200 18201 private int mTypes; 18202 18203 private int mOptions; 18204 18205 private boolean mTitlePrinted; 18206 18207 private SharedUserSetting mSharedUser; 18208 18209 public boolean isDumping(int type) { 18210 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18211 return true; 18212 } 18213 18214 return (mTypes & type) != 0; 18215 } 18216 18217 public void setDump(int type) { 18218 mTypes |= type; 18219 } 18220 18221 public boolean isOptionEnabled(int option) { 18222 return (mOptions & option) != 0; 18223 } 18224 18225 public void setOptionEnabled(int option) { 18226 mOptions |= option; 18227 } 18228 18229 public boolean onTitlePrinted() { 18230 final boolean printed = mTitlePrinted; 18231 mTitlePrinted = true; 18232 return printed; 18233 } 18234 18235 public boolean getTitlePrinted() { 18236 return mTitlePrinted; 18237 } 18238 18239 public void setTitlePrinted(boolean enabled) { 18240 mTitlePrinted = enabled; 18241 } 18242 18243 public SharedUserSetting getSharedUser() { 18244 return mSharedUser; 18245 } 18246 18247 public void setSharedUser(SharedUserSetting user) { 18248 mSharedUser = user; 18249 } 18250 } 18251 18252 @Override 18253 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18254 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18255 (new PackageManagerShellCommand(this)).exec( 18256 this, in, out, err, args, resultReceiver); 18257 } 18258 18259 @Override 18260 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18261 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18262 != PackageManager.PERMISSION_GRANTED) { 18263 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18264 + Binder.getCallingPid() 18265 + ", uid=" + Binder.getCallingUid() 18266 + " without permission " 18267 + android.Manifest.permission.DUMP); 18268 return; 18269 } 18270 18271 DumpState dumpState = new DumpState(); 18272 boolean fullPreferred = false; 18273 boolean checkin = false; 18274 18275 String packageName = null; 18276 ArraySet<String> permissionNames = null; 18277 18278 int opti = 0; 18279 while (opti < args.length) { 18280 String opt = args[opti]; 18281 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18282 break; 18283 } 18284 opti++; 18285 18286 if ("-a".equals(opt)) { 18287 // Right now we only know how to print all. 18288 } else if ("-h".equals(opt)) { 18289 pw.println("Package manager dump options:"); 18290 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18291 pw.println(" --checkin: dump for a checkin"); 18292 pw.println(" -f: print details of intent filters"); 18293 pw.println(" -h: print this help"); 18294 pw.println(" cmd may be one of:"); 18295 pw.println(" l[ibraries]: list known shared libraries"); 18296 pw.println(" f[eatures]: list device features"); 18297 pw.println(" k[eysets]: print known keysets"); 18298 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18299 pw.println(" perm[issions]: dump permissions"); 18300 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18301 pw.println(" pref[erred]: print preferred package settings"); 18302 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18303 pw.println(" prov[iders]: dump content providers"); 18304 pw.println(" p[ackages]: dump installed packages"); 18305 pw.println(" s[hared-users]: dump shared user IDs"); 18306 pw.println(" m[essages]: print collected runtime messages"); 18307 pw.println(" v[erifiers]: print package verifier info"); 18308 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18309 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18310 pw.println(" version: print database version info"); 18311 pw.println(" write: write current settings now"); 18312 pw.println(" installs: details about install sessions"); 18313 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18314 pw.println(" dexopt: dump dexopt state"); 18315 pw.println(" <package.name>: info about given package"); 18316 return; 18317 } else if ("--checkin".equals(opt)) { 18318 checkin = true; 18319 } else if ("-f".equals(opt)) { 18320 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18321 } else { 18322 pw.println("Unknown argument: " + opt + "; use -h for help"); 18323 } 18324 } 18325 18326 // Is the caller requesting to dump a particular piece of data? 18327 if (opti < args.length) { 18328 String cmd = args[opti]; 18329 opti++; 18330 // Is this a package name? 18331 if ("android".equals(cmd) || cmd.contains(".")) { 18332 packageName = cmd; 18333 // When dumping a single package, we always dump all of its 18334 // filter information since the amount of data will be reasonable. 18335 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18336 } else if ("check-permission".equals(cmd)) { 18337 if (opti >= args.length) { 18338 pw.println("Error: check-permission missing permission argument"); 18339 return; 18340 } 18341 String perm = args[opti]; 18342 opti++; 18343 if (opti >= args.length) { 18344 pw.println("Error: check-permission missing package argument"); 18345 return; 18346 } 18347 String pkg = args[opti]; 18348 opti++; 18349 int user = UserHandle.getUserId(Binder.getCallingUid()); 18350 if (opti < args.length) { 18351 try { 18352 user = Integer.parseInt(args[opti]); 18353 } catch (NumberFormatException e) { 18354 pw.println("Error: check-permission user argument is not a number: " 18355 + args[opti]); 18356 return; 18357 } 18358 } 18359 pw.println(checkPermission(perm, pkg, user)); 18360 return; 18361 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18362 dumpState.setDump(DumpState.DUMP_LIBS); 18363 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18364 dumpState.setDump(DumpState.DUMP_FEATURES); 18365 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18366 if (opti >= args.length) { 18367 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18368 | DumpState.DUMP_SERVICE_RESOLVERS 18369 | DumpState.DUMP_RECEIVER_RESOLVERS 18370 | DumpState.DUMP_CONTENT_RESOLVERS); 18371 } else { 18372 while (opti < args.length) { 18373 String name = args[opti]; 18374 if ("a".equals(name) || "activity".equals(name)) { 18375 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18376 } else if ("s".equals(name) || "service".equals(name)) { 18377 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18378 } else if ("r".equals(name) || "receiver".equals(name)) { 18379 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18380 } else if ("c".equals(name) || "content".equals(name)) { 18381 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18382 } else { 18383 pw.println("Error: unknown resolver table type: " + name); 18384 return; 18385 } 18386 opti++; 18387 } 18388 } 18389 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18390 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18391 } else if ("permission".equals(cmd)) { 18392 if (opti >= args.length) { 18393 pw.println("Error: permission requires permission name"); 18394 return; 18395 } 18396 permissionNames = new ArraySet<>(); 18397 while (opti < args.length) { 18398 permissionNames.add(args[opti]); 18399 opti++; 18400 } 18401 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18402 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18403 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18404 dumpState.setDump(DumpState.DUMP_PREFERRED); 18405 } else if ("preferred-xml".equals(cmd)) { 18406 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18407 if (opti < args.length && "--full".equals(args[opti])) { 18408 fullPreferred = true; 18409 opti++; 18410 } 18411 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18412 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18413 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18414 dumpState.setDump(DumpState.DUMP_PACKAGES); 18415 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18416 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18417 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18418 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18419 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18420 dumpState.setDump(DumpState.DUMP_MESSAGES); 18421 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18422 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18423 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18424 || "intent-filter-verifiers".equals(cmd)) { 18425 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18426 } else if ("version".equals(cmd)) { 18427 dumpState.setDump(DumpState.DUMP_VERSION); 18428 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18429 dumpState.setDump(DumpState.DUMP_KEYSETS); 18430 } else if ("installs".equals(cmd)) { 18431 dumpState.setDump(DumpState.DUMP_INSTALLS); 18432 } else if ("frozen".equals(cmd)) { 18433 dumpState.setDump(DumpState.DUMP_FROZEN); 18434 } else if ("dexopt".equals(cmd)) { 18435 dumpState.setDump(DumpState.DUMP_DEXOPT); 18436 } else if ("write".equals(cmd)) { 18437 synchronized (mPackages) { 18438 mSettings.writeLPr(); 18439 pw.println("Settings written."); 18440 return; 18441 } 18442 } 18443 } 18444 18445 if (checkin) { 18446 pw.println("vers,1"); 18447 } 18448 18449 // reader 18450 synchronized (mPackages) { 18451 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18452 if (!checkin) { 18453 if (dumpState.onTitlePrinted()) 18454 pw.println(); 18455 pw.println("Database versions:"); 18456 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18457 } 18458 } 18459 18460 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18461 if (!checkin) { 18462 if (dumpState.onTitlePrinted()) 18463 pw.println(); 18464 pw.println("Verifiers:"); 18465 pw.print(" Required: "); 18466 pw.print(mRequiredVerifierPackage); 18467 pw.print(" (uid="); 18468 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18469 UserHandle.USER_SYSTEM)); 18470 pw.println(")"); 18471 } else if (mRequiredVerifierPackage != null) { 18472 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18473 pw.print(","); 18474 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18475 UserHandle.USER_SYSTEM)); 18476 } 18477 } 18478 18479 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18480 packageName == null) { 18481 if (mIntentFilterVerifierComponent != null) { 18482 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18483 if (!checkin) { 18484 if (dumpState.onTitlePrinted()) 18485 pw.println(); 18486 pw.println("Intent Filter Verifier:"); 18487 pw.print(" Using: "); 18488 pw.print(verifierPackageName); 18489 pw.print(" (uid="); 18490 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18491 UserHandle.USER_SYSTEM)); 18492 pw.println(")"); 18493 } else if (verifierPackageName != null) { 18494 pw.print("ifv,"); pw.print(verifierPackageName); 18495 pw.print(","); 18496 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18497 UserHandle.USER_SYSTEM)); 18498 } 18499 } else { 18500 pw.println(); 18501 pw.println("No Intent Filter Verifier available!"); 18502 } 18503 } 18504 18505 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18506 boolean printedHeader = false; 18507 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18508 while (it.hasNext()) { 18509 String name = it.next(); 18510 SharedLibraryEntry ent = mSharedLibraries.get(name); 18511 if (!checkin) { 18512 if (!printedHeader) { 18513 if (dumpState.onTitlePrinted()) 18514 pw.println(); 18515 pw.println("Libraries:"); 18516 printedHeader = true; 18517 } 18518 pw.print(" "); 18519 } else { 18520 pw.print("lib,"); 18521 } 18522 pw.print(name); 18523 if (!checkin) { 18524 pw.print(" -> "); 18525 } 18526 if (ent.path != null) { 18527 if (!checkin) { 18528 pw.print("(jar) "); 18529 pw.print(ent.path); 18530 } else { 18531 pw.print(",jar,"); 18532 pw.print(ent.path); 18533 } 18534 } else { 18535 if (!checkin) { 18536 pw.print("(apk) "); 18537 pw.print(ent.apk); 18538 } else { 18539 pw.print(",apk,"); 18540 pw.print(ent.apk); 18541 } 18542 } 18543 pw.println(); 18544 } 18545 } 18546 18547 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18548 if (dumpState.onTitlePrinted()) 18549 pw.println(); 18550 if (!checkin) { 18551 pw.println("Features:"); 18552 } 18553 18554 for (FeatureInfo feat : mAvailableFeatures.values()) { 18555 if (checkin) { 18556 pw.print("feat,"); 18557 pw.print(feat.name); 18558 pw.print(","); 18559 pw.println(feat.version); 18560 } else { 18561 pw.print(" "); 18562 pw.print(feat.name); 18563 if (feat.version > 0) { 18564 pw.print(" version="); 18565 pw.print(feat.version); 18566 } 18567 pw.println(); 18568 } 18569 } 18570 } 18571 18572 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18573 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18574 : "Activity Resolver Table:", " ", packageName, 18575 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18576 dumpState.setTitlePrinted(true); 18577 } 18578 } 18579 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18580 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18581 : "Receiver Resolver Table:", " ", packageName, 18582 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18583 dumpState.setTitlePrinted(true); 18584 } 18585 } 18586 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18587 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18588 : "Service Resolver Table:", " ", packageName, 18589 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18590 dumpState.setTitlePrinted(true); 18591 } 18592 } 18593 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18594 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18595 : "Provider Resolver Table:", " ", packageName, 18596 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18597 dumpState.setTitlePrinted(true); 18598 } 18599 } 18600 18601 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18602 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18603 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18604 int user = mSettings.mPreferredActivities.keyAt(i); 18605 if (pir.dump(pw, 18606 dumpState.getTitlePrinted() 18607 ? "\nPreferred Activities User " + user + ":" 18608 : "Preferred Activities User " + user + ":", " ", 18609 packageName, true, false)) { 18610 dumpState.setTitlePrinted(true); 18611 } 18612 } 18613 } 18614 18615 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18616 pw.flush(); 18617 FileOutputStream fout = new FileOutputStream(fd); 18618 BufferedOutputStream str = new BufferedOutputStream(fout); 18619 XmlSerializer serializer = new FastXmlSerializer(); 18620 try { 18621 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18622 serializer.startDocument(null, true); 18623 serializer.setFeature( 18624 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18625 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18626 serializer.endDocument(); 18627 serializer.flush(); 18628 } catch (IllegalArgumentException e) { 18629 pw.println("Failed writing: " + e); 18630 } catch (IllegalStateException e) { 18631 pw.println("Failed writing: " + e); 18632 } catch (IOException e) { 18633 pw.println("Failed writing: " + e); 18634 } 18635 } 18636 18637 if (!checkin 18638 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18639 && packageName == null) { 18640 pw.println(); 18641 int count = mSettings.mPackages.size(); 18642 if (count == 0) { 18643 pw.println("No applications!"); 18644 pw.println(); 18645 } else { 18646 final String prefix = " "; 18647 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18648 if (allPackageSettings.size() == 0) { 18649 pw.println("No domain preferred apps!"); 18650 pw.println(); 18651 } else { 18652 pw.println("App verification status:"); 18653 pw.println(); 18654 count = 0; 18655 for (PackageSetting ps : allPackageSettings) { 18656 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18657 if (ivi == null || ivi.getPackageName() == null) continue; 18658 pw.println(prefix + "Package: " + ivi.getPackageName()); 18659 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18660 pw.println(prefix + "Status: " + ivi.getStatusString()); 18661 pw.println(); 18662 count++; 18663 } 18664 if (count == 0) { 18665 pw.println(prefix + "No app verification established."); 18666 pw.println(); 18667 } 18668 for (int userId : sUserManager.getUserIds()) { 18669 pw.println("App linkages for user " + userId + ":"); 18670 pw.println(); 18671 count = 0; 18672 for (PackageSetting ps : allPackageSettings) { 18673 final long status = ps.getDomainVerificationStatusForUser(userId); 18674 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18675 continue; 18676 } 18677 pw.println(prefix + "Package: " + ps.name); 18678 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18679 String statusStr = IntentFilterVerificationInfo. 18680 getStatusStringFromValue(status); 18681 pw.println(prefix + "Status: " + statusStr); 18682 pw.println(); 18683 count++; 18684 } 18685 if (count == 0) { 18686 pw.println(prefix + "No configured app linkages."); 18687 pw.println(); 18688 } 18689 } 18690 } 18691 } 18692 } 18693 18694 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18695 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18696 if (packageName == null && permissionNames == null) { 18697 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18698 if (iperm == 0) { 18699 if (dumpState.onTitlePrinted()) 18700 pw.println(); 18701 pw.println("AppOp Permissions:"); 18702 } 18703 pw.print(" AppOp Permission "); 18704 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18705 pw.println(":"); 18706 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18707 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18708 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18709 } 18710 } 18711 } 18712 } 18713 18714 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18715 boolean printedSomething = false; 18716 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18717 if (packageName != null && !packageName.equals(p.info.packageName)) { 18718 continue; 18719 } 18720 if (!printedSomething) { 18721 if (dumpState.onTitlePrinted()) 18722 pw.println(); 18723 pw.println("Registered ContentProviders:"); 18724 printedSomething = true; 18725 } 18726 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18727 pw.print(" "); pw.println(p.toString()); 18728 } 18729 printedSomething = false; 18730 for (Map.Entry<String, PackageParser.Provider> entry : 18731 mProvidersByAuthority.entrySet()) { 18732 PackageParser.Provider p = entry.getValue(); 18733 if (packageName != null && !packageName.equals(p.info.packageName)) { 18734 continue; 18735 } 18736 if (!printedSomething) { 18737 if (dumpState.onTitlePrinted()) 18738 pw.println(); 18739 pw.println("ContentProvider Authorities:"); 18740 printedSomething = true; 18741 } 18742 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18743 pw.print(" "); pw.println(p.toString()); 18744 if (p.info != null && p.info.applicationInfo != null) { 18745 final String appInfo = p.info.applicationInfo.toString(); 18746 pw.print(" applicationInfo="); pw.println(appInfo); 18747 } 18748 } 18749 } 18750 18751 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18752 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18753 } 18754 18755 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18756 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18757 } 18758 18759 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18760 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18761 } 18762 18763 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18764 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18765 } 18766 18767 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18768 // XXX should handle packageName != null by dumping only install data that 18769 // the given package is involved with. 18770 if (dumpState.onTitlePrinted()) pw.println(); 18771 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18772 } 18773 18774 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18775 // XXX should handle packageName != null by dumping only install data that 18776 // the given package is involved with. 18777 if (dumpState.onTitlePrinted()) pw.println(); 18778 18779 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18780 ipw.println(); 18781 ipw.println("Frozen packages:"); 18782 ipw.increaseIndent(); 18783 if (mFrozenPackages.size() == 0) { 18784 ipw.println("(none)"); 18785 } else { 18786 for (int i = 0; i < mFrozenPackages.size(); i++) { 18787 ipw.println(mFrozenPackages.valueAt(i)); 18788 } 18789 } 18790 ipw.decreaseIndent(); 18791 } 18792 18793 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18794 if (dumpState.onTitlePrinted()) pw.println(); 18795 dumpDexoptStateLPr(pw, packageName); 18796 } 18797 18798 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18799 if (dumpState.onTitlePrinted()) pw.println(); 18800 mSettings.dumpReadMessagesLPr(pw, dumpState); 18801 18802 pw.println(); 18803 pw.println("Package warning messages:"); 18804 BufferedReader in = null; 18805 String line = null; 18806 try { 18807 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18808 while ((line = in.readLine()) != null) { 18809 if (line.contains("ignored: updated version")) continue; 18810 pw.println(line); 18811 } 18812 } catch (IOException ignored) { 18813 } finally { 18814 IoUtils.closeQuietly(in); 18815 } 18816 } 18817 18818 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18819 BufferedReader in = null; 18820 String line = null; 18821 try { 18822 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18823 while ((line = in.readLine()) != null) { 18824 if (line.contains("ignored: updated version")) continue; 18825 pw.print("msg,"); 18826 pw.println(line); 18827 } 18828 } catch (IOException ignored) { 18829 } finally { 18830 IoUtils.closeQuietly(in); 18831 } 18832 } 18833 } 18834 } 18835 18836 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18837 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18838 ipw.println(); 18839 ipw.println("Dexopt state:"); 18840 ipw.increaseIndent(); 18841 Collection<PackageParser.Package> packages = null; 18842 if (packageName != null) { 18843 PackageParser.Package targetPackage = mPackages.get(packageName); 18844 if (targetPackage != null) { 18845 packages = Collections.singletonList(targetPackage); 18846 } else { 18847 ipw.println("Unable to find package: " + packageName); 18848 return; 18849 } 18850 } else { 18851 packages = mPackages.values(); 18852 } 18853 18854 for (PackageParser.Package pkg : packages) { 18855 ipw.println("[" + pkg.packageName + "]"); 18856 ipw.increaseIndent(); 18857 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18858 ipw.decreaseIndent(); 18859 } 18860 } 18861 18862 private String dumpDomainString(String packageName) { 18863 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18864 .getList(); 18865 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18866 18867 ArraySet<String> result = new ArraySet<>(); 18868 if (iviList.size() > 0) { 18869 for (IntentFilterVerificationInfo ivi : iviList) { 18870 for (String host : ivi.getDomains()) { 18871 result.add(host); 18872 } 18873 } 18874 } 18875 if (filters != null && filters.size() > 0) { 18876 for (IntentFilter filter : filters) { 18877 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18878 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18879 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18880 result.addAll(filter.getHostsList()); 18881 } 18882 } 18883 } 18884 18885 StringBuilder sb = new StringBuilder(result.size() * 16); 18886 for (String domain : result) { 18887 if (sb.length() > 0) sb.append(" "); 18888 sb.append(domain); 18889 } 18890 return sb.toString(); 18891 } 18892 18893 // ------- apps on sdcard specific code ------- 18894 static final boolean DEBUG_SD_INSTALL = false; 18895 18896 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18897 18898 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18899 18900 private boolean mMediaMounted = false; 18901 18902 static String getEncryptKey() { 18903 try { 18904 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18905 SD_ENCRYPTION_KEYSTORE_NAME); 18906 if (sdEncKey == null) { 18907 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18908 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18909 if (sdEncKey == null) { 18910 Slog.e(TAG, "Failed to create encryption keys"); 18911 return null; 18912 } 18913 } 18914 return sdEncKey; 18915 } catch (NoSuchAlgorithmException nsae) { 18916 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18917 return null; 18918 } catch (IOException ioe) { 18919 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18920 return null; 18921 } 18922 } 18923 18924 /* 18925 * Update media status on PackageManager. 18926 */ 18927 @Override 18928 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18929 int callingUid = Binder.getCallingUid(); 18930 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18931 throw new SecurityException("Media status can only be updated by the system"); 18932 } 18933 // reader; this apparently protects mMediaMounted, but should probably 18934 // be a different lock in that case. 18935 synchronized (mPackages) { 18936 Log.i(TAG, "Updating external media status from " 18937 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18938 + (mediaStatus ? "mounted" : "unmounted")); 18939 if (DEBUG_SD_INSTALL) 18940 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18941 + ", mMediaMounted=" + mMediaMounted); 18942 if (mediaStatus == mMediaMounted) { 18943 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18944 : 0, -1); 18945 mHandler.sendMessage(msg); 18946 return; 18947 } 18948 mMediaMounted = mediaStatus; 18949 } 18950 // Queue up an async operation since the package installation may take a 18951 // little while. 18952 mHandler.post(new Runnable() { 18953 public void run() { 18954 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18955 } 18956 }); 18957 } 18958 18959 /** 18960 * Called by MountService when the initial ASECs to scan are available. 18961 * Should block until all the ASEC containers are finished being scanned. 18962 */ 18963 public void scanAvailableAsecs() { 18964 updateExternalMediaStatusInner(true, false, false); 18965 } 18966 18967 /* 18968 * Collect information of applications on external media, map them against 18969 * existing containers and update information based on current mount status. 18970 * Please note that we always have to report status if reportStatus has been 18971 * set to true especially when unloading packages. 18972 */ 18973 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18974 boolean externalStorage) { 18975 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18976 int[] uidArr = EmptyArray.INT; 18977 18978 final String[] list = PackageHelper.getSecureContainerList(); 18979 if (ArrayUtils.isEmpty(list)) { 18980 Log.i(TAG, "No secure containers found"); 18981 } else { 18982 // Process list of secure containers and categorize them 18983 // as active or stale based on their package internal state. 18984 18985 // reader 18986 synchronized (mPackages) { 18987 for (String cid : list) { 18988 // Leave stages untouched for now; installer service owns them 18989 if (PackageInstallerService.isStageName(cid)) continue; 18990 18991 if (DEBUG_SD_INSTALL) 18992 Log.i(TAG, "Processing container " + cid); 18993 String pkgName = getAsecPackageName(cid); 18994 if (pkgName == null) { 18995 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18996 continue; 18997 } 18998 if (DEBUG_SD_INSTALL) 18999 Log.i(TAG, "Looking for pkg : " + pkgName); 19000 19001 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19002 if (ps == null) { 19003 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19004 continue; 19005 } 19006 19007 /* 19008 * Skip packages that are not external if we're unmounting 19009 * external storage. 19010 */ 19011 if (externalStorage && !isMounted && !isExternal(ps)) { 19012 continue; 19013 } 19014 19015 final AsecInstallArgs args = new AsecInstallArgs(cid, 19016 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19017 // The package status is changed only if the code path 19018 // matches between settings and the container id. 19019 if (ps.codePathString != null 19020 && ps.codePathString.startsWith(args.getCodePath())) { 19021 if (DEBUG_SD_INSTALL) { 19022 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19023 + " at code path: " + ps.codePathString); 19024 } 19025 19026 // We do have a valid package installed on sdcard 19027 processCids.put(args, ps.codePathString); 19028 final int uid = ps.appId; 19029 if (uid != -1) { 19030 uidArr = ArrayUtils.appendInt(uidArr, uid); 19031 } 19032 } else { 19033 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19034 + ps.codePathString); 19035 } 19036 } 19037 } 19038 19039 Arrays.sort(uidArr); 19040 } 19041 19042 // Process packages with valid entries. 19043 if (isMounted) { 19044 if (DEBUG_SD_INSTALL) 19045 Log.i(TAG, "Loading packages"); 19046 loadMediaPackages(processCids, uidArr, externalStorage); 19047 startCleaningPackages(); 19048 mInstallerService.onSecureContainersAvailable(); 19049 } else { 19050 if (DEBUG_SD_INSTALL) 19051 Log.i(TAG, "Unloading packages"); 19052 unloadMediaPackages(processCids, uidArr, reportStatus); 19053 } 19054 } 19055 19056 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19057 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19058 final int size = infos.size(); 19059 final String[] packageNames = new String[size]; 19060 final int[] packageUids = new int[size]; 19061 for (int i = 0; i < size; i++) { 19062 final ApplicationInfo info = infos.get(i); 19063 packageNames[i] = info.packageName; 19064 packageUids[i] = info.uid; 19065 } 19066 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19067 finishedReceiver); 19068 } 19069 19070 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19071 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19072 sendResourcesChangedBroadcast(mediaStatus, replacing, 19073 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19074 } 19075 19076 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19077 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19078 int size = pkgList.length; 19079 if (size > 0) { 19080 // Send broadcasts here 19081 Bundle extras = new Bundle(); 19082 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19083 if (uidArr != null) { 19084 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19085 } 19086 if (replacing) { 19087 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19088 } 19089 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19090 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19091 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19092 } 19093 } 19094 19095 /* 19096 * Look at potentially valid container ids from processCids If package 19097 * information doesn't match the one on record or package scanning fails, 19098 * the cid is added to list of removeCids. We currently don't delete stale 19099 * containers. 19100 */ 19101 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19102 boolean externalStorage) { 19103 ArrayList<String> pkgList = new ArrayList<String>(); 19104 Set<AsecInstallArgs> keys = processCids.keySet(); 19105 19106 for (AsecInstallArgs args : keys) { 19107 String codePath = processCids.get(args); 19108 if (DEBUG_SD_INSTALL) 19109 Log.i(TAG, "Loading container : " + args.cid); 19110 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19111 try { 19112 // Make sure there are no container errors first. 19113 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19114 Slog.e(TAG, "Failed to mount cid : " + args.cid 19115 + " when installing from sdcard"); 19116 continue; 19117 } 19118 // Check code path here. 19119 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19120 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19121 + " does not match one in settings " + codePath); 19122 continue; 19123 } 19124 // Parse package 19125 int parseFlags = mDefParseFlags; 19126 if (args.isExternalAsec()) { 19127 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19128 } 19129 if (args.isFwdLocked()) { 19130 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19131 } 19132 19133 synchronized (mInstallLock) { 19134 PackageParser.Package pkg = null; 19135 try { 19136 // Sadly we don't know the package name yet to freeze it 19137 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19138 SCAN_IGNORE_FROZEN, 0, null); 19139 } catch (PackageManagerException e) { 19140 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19141 } 19142 // Scan the package 19143 if (pkg != null) { 19144 /* 19145 * TODO why is the lock being held? doPostInstall is 19146 * called in other places without the lock. This needs 19147 * to be straightened out. 19148 */ 19149 // writer 19150 synchronized (mPackages) { 19151 retCode = PackageManager.INSTALL_SUCCEEDED; 19152 pkgList.add(pkg.packageName); 19153 // Post process args 19154 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19155 pkg.applicationInfo.uid); 19156 } 19157 } else { 19158 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19159 } 19160 } 19161 19162 } finally { 19163 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19164 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19165 } 19166 } 19167 } 19168 // writer 19169 synchronized (mPackages) { 19170 // If the platform SDK has changed since the last time we booted, 19171 // we need to re-grant app permission to catch any new ones that 19172 // appear. This is really a hack, and means that apps can in some 19173 // cases get permissions that the user didn't initially explicitly 19174 // allow... it would be nice to have some better way to handle 19175 // this situation. 19176 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19177 : mSettings.getInternalVersion(); 19178 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19179 : StorageManager.UUID_PRIVATE_INTERNAL; 19180 19181 int updateFlags = UPDATE_PERMISSIONS_ALL; 19182 if (ver.sdkVersion != mSdkVersion) { 19183 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19184 + mSdkVersion + "; regranting permissions for external"); 19185 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19186 } 19187 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19188 19189 // Yay, everything is now upgraded 19190 ver.forceCurrent(); 19191 19192 // can downgrade to reader 19193 // Persist settings 19194 mSettings.writeLPr(); 19195 } 19196 // Send a broadcast to let everyone know we are done processing 19197 if (pkgList.size() > 0) { 19198 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19199 } 19200 } 19201 19202 /* 19203 * Utility method to unload a list of specified containers 19204 */ 19205 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19206 // Just unmount all valid containers. 19207 for (AsecInstallArgs arg : cidArgs) { 19208 synchronized (mInstallLock) { 19209 arg.doPostDeleteLI(false); 19210 } 19211 } 19212 } 19213 19214 /* 19215 * Unload packages mounted on external media. This involves deleting package 19216 * data from internal structures, sending broadcasts about disabled packages, 19217 * gc'ing to free up references, unmounting all secure containers 19218 * corresponding to packages on external media, and posting a 19219 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19220 * that we always have to post this message if status has been requested no 19221 * matter what. 19222 */ 19223 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19224 final boolean reportStatus) { 19225 if (DEBUG_SD_INSTALL) 19226 Log.i(TAG, "unloading media packages"); 19227 ArrayList<String> pkgList = new ArrayList<String>(); 19228 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19229 final Set<AsecInstallArgs> keys = processCids.keySet(); 19230 for (AsecInstallArgs args : keys) { 19231 String pkgName = args.getPackageName(); 19232 if (DEBUG_SD_INSTALL) 19233 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19234 // Delete package internally 19235 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19236 synchronized (mInstallLock) { 19237 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19238 final boolean res; 19239 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19240 "unloadMediaPackages")) { 19241 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19242 null); 19243 } 19244 if (res) { 19245 pkgList.add(pkgName); 19246 } else { 19247 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19248 failedList.add(args); 19249 } 19250 } 19251 } 19252 19253 // reader 19254 synchronized (mPackages) { 19255 // We didn't update the settings after removing each package; 19256 // write them now for all packages. 19257 mSettings.writeLPr(); 19258 } 19259 19260 // We have to absolutely send UPDATED_MEDIA_STATUS only 19261 // after confirming that all the receivers processed the ordered 19262 // broadcast when packages get disabled, force a gc to clean things up. 19263 // and unload all the containers. 19264 if (pkgList.size() > 0) { 19265 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19266 new IIntentReceiver.Stub() { 19267 public void performReceive(Intent intent, int resultCode, String data, 19268 Bundle extras, boolean ordered, boolean sticky, 19269 int sendingUser) throws RemoteException { 19270 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19271 reportStatus ? 1 : 0, 1, keys); 19272 mHandler.sendMessage(msg); 19273 } 19274 }); 19275 } else { 19276 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19277 keys); 19278 mHandler.sendMessage(msg); 19279 } 19280 } 19281 19282 private void loadPrivatePackages(final VolumeInfo vol) { 19283 mHandler.post(new Runnable() { 19284 @Override 19285 public void run() { 19286 loadPrivatePackagesInner(vol); 19287 } 19288 }); 19289 } 19290 19291 private void loadPrivatePackagesInner(VolumeInfo vol) { 19292 final String volumeUuid = vol.fsUuid; 19293 if (TextUtils.isEmpty(volumeUuid)) { 19294 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19295 return; 19296 } 19297 19298 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19299 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19300 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19301 19302 final VersionInfo ver; 19303 final List<PackageSetting> packages; 19304 synchronized (mPackages) { 19305 ver = mSettings.findOrCreateVersion(volumeUuid); 19306 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19307 } 19308 19309 for (PackageSetting ps : packages) { 19310 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19311 synchronized (mInstallLock) { 19312 final PackageParser.Package pkg; 19313 try { 19314 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19315 loaded.add(pkg.applicationInfo); 19316 19317 } catch (PackageManagerException e) { 19318 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19319 } 19320 19321 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19322 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19323 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19324 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19325 } 19326 } 19327 } 19328 19329 // Reconcile app data for all started/unlocked users 19330 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19331 final UserManager um = mContext.getSystemService(UserManager.class); 19332 UserManagerInternal umInternal = getUserManagerInternal(); 19333 for (UserInfo user : um.getUsers()) { 19334 final int flags; 19335 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19336 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19337 } else if (umInternal.isUserRunning(user.id)) { 19338 flags = StorageManager.FLAG_STORAGE_DE; 19339 } else { 19340 continue; 19341 } 19342 19343 try { 19344 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19345 synchronized (mInstallLock) { 19346 reconcileAppsDataLI(volumeUuid, user.id, flags); 19347 } 19348 } catch (IllegalStateException e) { 19349 // Device was probably ejected, and we'll process that event momentarily 19350 Slog.w(TAG, "Failed to prepare storage: " + e); 19351 } 19352 } 19353 19354 synchronized (mPackages) { 19355 int updateFlags = UPDATE_PERMISSIONS_ALL; 19356 if (ver.sdkVersion != mSdkVersion) { 19357 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19358 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19359 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19360 } 19361 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19362 19363 // Yay, everything is now upgraded 19364 ver.forceCurrent(); 19365 19366 mSettings.writeLPr(); 19367 } 19368 19369 for (PackageFreezer freezer : freezers) { 19370 freezer.close(); 19371 } 19372 19373 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19374 sendResourcesChangedBroadcast(true, false, loaded, null); 19375 } 19376 19377 private void unloadPrivatePackages(final VolumeInfo vol) { 19378 mHandler.post(new Runnable() { 19379 @Override 19380 public void run() { 19381 unloadPrivatePackagesInner(vol); 19382 } 19383 }); 19384 } 19385 19386 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19387 final String volumeUuid = vol.fsUuid; 19388 if (TextUtils.isEmpty(volumeUuid)) { 19389 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19390 return; 19391 } 19392 19393 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19394 synchronized (mInstallLock) { 19395 synchronized (mPackages) { 19396 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19397 for (PackageSetting ps : packages) { 19398 if (ps.pkg == null) continue; 19399 19400 final ApplicationInfo info = ps.pkg.applicationInfo; 19401 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19402 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19403 19404 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19405 "unloadPrivatePackagesInner")) { 19406 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19407 false, null)) { 19408 unloaded.add(info); 19409 } else { 19410 Slog.w(TAG, "Failed to unload " + ps.codePath); 19411 } 19412 } 19413 19414 // Try very hard to release any references to this package 19415 // so we don't risk the system server being killed due to 19416 // open FDs 19417 AttributeCache.instance().removePackage(ps.name); 19418 } 19419 19420 mSettings.writeLPr(); 19421 } 19422 } 19423 19424 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19425 sendResourcesChangedBroadcast(false, false, unloaded, null); 19426 19427 // Try very hard to release any references to this path so we don't risk 19428 // the system server being killed due to open FDs 19429 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19430 19431 for (int i = 0; i < 3; i++) { 19432 System.gc(); 19433 System.runFinalization(); 19434 } 19435 } 19436 19437 /** 19438 * Prepare storage areas for given user on all mounted devices. 19439 */ 19440 void prepareUserData(int userId, int userSerial, int flags) { 19441 synchronized (mInstallLock) { 19442 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19443 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19444 final String volumeUuid = vol.getFsUuid(); 19445 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19446 } 19447 } 19448 } 19449 19450 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19451 boolean allowRecover) { 19452 // Prepare storage and verify that serial numbers are consistent; if 19453 // there's a mismatch we need to destroy to avoid leaking data 19454 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19455 try { 19456 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19457 19458 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19459 UserManagerService.enforceSerialNumber( 19460 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19461 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19462 UserManagerService.enforceSerialNumber( 19463 Environment.getDataSystemDeDirectory(userId), userSerial); 19464 } 19465 } 19466 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19467 UserManagerService.enforceSerialNumber( 19468 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19469 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19470 UserManagerService.enforceSerialNumber( 19471 Environment.getDataSystemCeDirectory(userId), userSerial); 19472 } 19473 } 19474 19475 synchronized (mInstallLock) { 19476 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19477 } 19478 } catch (Exception e) { 19479 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19480 + " because we failed to prepare: " + e); 19481 destroyUserDataLI(volumeUuid, userId, 19482 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19483 19484 if (allowRecover) { 19485 // Try one last time; if we fail again we're really in trouble 19486 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19487 } 19488 } 19489 } 19490 19491 /** 19492 * Destroy storage areas for given user on all mounted devices. 19493 */ 19494 void destroyUserData(int userId, int flags) { 19495 synchronized (mInstallLock) { 19496 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19497 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19498 final String volumeUuid = vol.getFsUuid(); 19499 destroyUserDataLI(volumeUuid, userId, flags); 19500 } 19501 } 19502 } 19503 19504 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19505 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19506 try { 19507 // Clean up app data, profile data, and media data 19508 mInstaller.destroyUserData(volumeUuid, userId, flags); 19509 19510 // Clean up system data 19511 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19512 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19513 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19514 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19515 } 19516 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19517 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19518 } 19519 } 19520 19521 // Data with special labels is now gone, so finish the job 19522 storage.destroyUserStorage(volumeUuid, userId, flags); 19523 19524 } catch (Exception e) { 19525 logCriticalInfo(Log.WARN, 19526 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19527 } 19528 } 19529 19530 /** 19531 * Examine all users present on given mounted volume, and destroy data 19532 * belonging to users that are no longer valid, or whose user ID has been 19533 * recycled. 19534 */ 19535 private void reconcileUsers(String volumeUuid) { 19536 final List<File> files = new ArrayList<>(); 19537 Collections.addAll(files, FileUtils 19538 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19539 Collections.addAll(files, FileUtils 19540 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19541 Collections.addAll(files, FileUtils 19542 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19543 Collections.addAll(files, FileUtils 19544 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19545 for (File file : files) { 19546 if (!file.isDirectory()) continue; 19547 19548 final int userId; 19549 final UserInfo info; 19550 try { 19551 userId = Integer.parseInt(file.getName()); 19552 info = sUserManager.getUserInfo(userId); 19553 } catch (NumberFormatException e) { 19554 Slog.w(TAG, "Invalid user directory " + file); 19555 continue; 19556 } 19557 19558 boolean destroyUser = false; 19559 if (info == null) { 19560 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19561 + " because no matching user was found"); 19562 destroyUser = true; 19563 } else if (!mOnlyCore) { 19564 try { 19565 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19566 } catch (IOException e) { 19567 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19568 + " because we failed to enforce serial number: " + e); 19569 destroyUser = true; 19570 } 19571 } 19572 19573 if (destroyUser) { 19574 synchronized (mInstallLock) { 19575 destroyUserDataLI(volumeUuid, userId, 19576 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19577 } 19578 } 19579 } 19580 } 19581 19582 private void assertPackageKnown(String volumeUuid, String packageName) 19583 throws PackageManagerException { 19584 synchronized (mPackages) { 19585 final PackageSetting ps = mSettings.mPackages.get(packageName); 19586 if (ps == null) { 19587 throw new PackageManagerException("Package " + packageName + " is unknown"); 19588 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19589 throw new PackageManagerException( 19590 "Package " + packageName + " found on unknown volume " + volumeUuid 19591 + "; expected volume " + ps.volumeUuid); 19592 } 19593 } 19594 } 19595 19596 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19597 throws PackageManagerException { 19598 synchronized (mPackages) { 19599 final PackageSetting ps = mSettings.mPackages.get(packageName); 19600 if (ps == null) { 19601 throw new PackageManagerException("Package " + packageName + " is unknown"); 19602 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19603 throw new PackageManagerException( 19604 "Package " + packageName + " found on unknown volume " + volumeUuid 19605 + "; expected volume " + ps.volumeUuid); 19606 } else if (!ps.getInstalled(userId)) { 19607 throw new PackageManagerException( 19608 "Package " + packageName + " not installed for user " + userId); 19609 } 19610 } 19611 } 19612 19613 /** 19614 * Examine all apps present on given mounted volume, and destroy apps that 19615 * aren't expected, either due to uninstallation or reinstallation on 19616 * another volume. 19617 */ 19618 private void reconcileApps(String volumeUuid) { 19619 final File[] files = FileUtils 19620 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19621 for (File file : files) { 19622 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19623 && !PackageInstallerService.isStageName(file.getName()); 19624 if (!isPackage) { 19625 // Ignore entries which are not packages 19626 continue; 19627 } 19628 19629 try { 19630 final PackageLite pkg = PackageParser.parsePackageLite(file, 19631 PackageParser.PARSE_MUST_BE_APK); 19632 assertPackageKnown(volumeUuid, pkg.packageName); 19633 19634 } catch (PackageParserException | PackageManagerException e) { 19635 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19636 synchronized (mInstallLock) { 19637 removeCodePathLI(file); 19638 } 19639 } 19640 } 19641 } 19642 19643 /** 19644 * Reconcile all app data for the given user. 19645 * <p> 19646 * Verifies that directories exist and that ownership and labeling is 19647 * correct for all installed apps on all mounted volumes. 19648 */ 19649 void reconcileAppsData(int userId, int flags) { 19650 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19651 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19652 final String volumeUuid = vol.getFsUuid(); 19653 synchronized (mInstallLock) { 19654 reconcileAppsDataLI(volumeUuid, userId, flags); 19655 } 19656 } 19657 } 19658 19659 /** 19660 * Reconcile all app data on given mounted volume. 19661 * <p> 19662 * Destroys app data that isn't expected, either due to uninstallation or 19663 * reinstallation on another volume. 19664 * <p> 19665 * Verifies that directories exist and that ownership and labeling is 19666 * correct for all installed apps. 19667 */ 19668 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19669 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19670 + Integer.toHexString(flags)); 19671 19672 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19673 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19674 19675 boolean restoreconNeeded = false; 19676 19677 // First look for stale data that doesn't belong, and check if things 19678 // have changed since we did our last restorecon 19679 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19680 if (StorageManager.isFileEncryptedNativeOrEmulated() 19681 && !StorageManager.isUserKeyUnlocked(userId)) { 19682 throw new RuntimeException( 19683 "Yikes, someone asked us to reconcile CE storage while " + userId 19684 + " was still locked; this would have caused massive data loss!"); 19685 } 19686 19687 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19688 19689 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19690 for (File file : files) { 19691 final String packageName = file.getName(); 19692 try { 19693 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19694 } catch (PackageManagerException e) { 19695 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19696 try { 19697 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19698 StorageManager.FLAG_STORAGE_CE, 0); 19699 } catch (InstallerException e2) { 19700 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19701 } 19702 } 19703 } 19704 } 19705 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19706 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19707 19708 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19709 for (File file : files) { 19710 final String packageName = file.getName(); 19711 try { 19712 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19713 } catch (PackageManagerException e) { 19714 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19715 try { 19716 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19717 StorageManager.FLAG_STORAGE_DE, 0); 19718 } catch (InstallerException e2) { 19719 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19720 } 19721 } 19722 } 19723 } 19724 19725 // Ensure that data directories are ready to roll for all packages 19726 // installed for this volume and user 19727 final List<PackageSetting> packages; 19728 synchronized (mPackages) { 19729 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19730 } 19731 int preparedCount = 0; 19732 for (PackageSetting ps : packages) { 19733 final String packageName = ps.name; 19734 if (ps.pkg == null) { 19735 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19736 // TODO: might be due to legacy ASEC apps; we should circle back 19737 // and reconcile again once they're scanned 19738 continue; 19739 } 19740 19741 if (ps.getInstalled(userId)) { 19742 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19743 19744 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19745 // We may have just shuffled around app data directories, so 19746 // prepare them one more time 19747 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19748 } 19749 19750 preparedCount++; 19751 } 19752 } 19753 19754 if (restoreconNeeded) { 19755 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19756 SELinuxMMAC.setRestoreconDone(ceDir); 19757 } 19758 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19759 SELinuxMMAC.setRestoreconDone(deDir); 19760 } 19761 } 19762 19763 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19764 + " packages; restoreconNeeded was " + restoreconNeeded); 19765 } 19766 19767 /** 19768 * Prepare app data for the given app just after it was installed or 19769 * upgraded. This method carefully only touches users that it's installed 19770 * for, and it forces a restorecon to handle any seinfo changes. 19771 * <p> 19772 * Verifies that directories exist and that ownership and labeling is 19773 * correct for all installed apps. If there is an ownership mismatch, it 19774 * will try recovering system apps by wiping data; third-party app data is 19775 * left intact. 19776 * <p> 19777 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19778 */ 19779 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19780 final PackageSetting ps; 19781 synchronized (mPackages) { 19782 ps = mSettings.mPackages.get(pkg.packageName); 19783 mSettings.writeKernelMappingLPr(ps); 19784 } 19785 19786 final UserManager um = mContext.getSystemService(UserManager.class); 19787 UserManagerInternal umInternal = getUserManagerInternal(); 19788 for (UserInfo user : um.getUsers()) { 19789 final int flags; 19790 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19791 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19792 } else if (umInternal.isUserRunning(user.id)) { 19793 flags = StorageManager.FLAG_STORAGE_DE; 19794 } else { 19795 continue; 19796 } 19797 19798 if (ps.getInstalled(user.id)) { 19799 // Whenever an app changes, force a restorecon of its data 19800 // TODO: when user data is locked, mark that we're still dirty 19801 prepareAppDataLIF(pkg, user.id, flags, true); 19802 } 19803 } 19804 } 19805 19806 /** 19807 * Prepare app data for the given app. 19808 * <p> 19809 * Verifies that directories exist and that ownership and labeling is 19810 * correct for all installed apps. If there is an ownership mismatch, this 19811 * will try recovering system apps by wiping data; third-party app data is 19812 * left intact. 19813 */ 19814 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19815 boolean restoreconNeeded) { 19816 if (pkg == null) { 19817 Slog.wtf(TAG, "Package was null!", new Throwable()); 19818 return; 19819 } 19820 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19821 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19822 for (int i = 0; i < childCount; i++) { 19823 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19824 } 19825 } 19826 19827 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19828 boolean restoreconNeeded) { 19829 if (DEBUG_APP_DATA) { 19830 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19831 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19832 } 19833 19834 final String volumeUuid = pkg.volumeUuid; 19835 final String packageName = pkg.packageName; 19836 final ApplicationInfo app = pkg.applicationInfo; 19837 final int appId = UserHandle.getAppId(app.uid); 19838 19839 Preconditions.checkNotNull(app.seinfo); 19840 19841 try { 19842 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19843 appId, app.seinfo, app.targetSdkVersion); 19844 } catch (InstallerException e) { 19845 if (app.isSystemApp()) { 19846 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19847 + ", but trying to recover: " + e); 19848 destroyAppDataLeafLIF(pkg, userId, flags); 19849 try { 19850 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19851 appId, app.seinfo, app.targetSdkVersion); 19852 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19853 } catch (InstallerException e2) { 19854 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19855 } 19856 } else { 19857 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19858 } 19859 } 19860 19861 if (restoreconNeeded) { 19862 try { 19863 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19864 app.seinfo); 19865 } catch (InstallerException e) { 19866 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19867 } 19868 } 19869 19870 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19871 try { 19872 // CE storage is unlocked right now, so read out the inode and 19873 // remember for use later when it's locked 19874 // TODO: mark this structure as dirty so we persist it! 19875 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19876 StorageManager.FLAG_STORAGE_CE); 19877 synchronized (mPackages) { 19878 final PackageSetting ps = mSettings.mPackages.get(packageName); 19879 if (ps != null) { 19880 ps.setCeDataInode(ceDataInode, userId); 19881 } 19882 } 19883 } catch (InstallerException e) { 19884 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19885 } 19886 } 19887 19888 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19889 } 19890 19891 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19892 if (pkg == null) { 19893 Slog.wtf(TAG, "Package was null!", new Throwable()); 19894 return; 19895 } 19896 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19897 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19898 for (int i = 0; i < childCount; i++) { 19899 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19900 } 19901 } 19902 19903 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19904 final String volumeUuid = pkg.volumeUuid; 19905 final String packageName = pkg.packageName; 19906 final ApplicationInfo app = pkg.applicationInfo; 19907 19908 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19909 // Create a native library symlink only if we have native libraries 19910 // and if the native libraries are 32 bit libraries. We do not provide 19911 // this symlink for 64 bit libraries. 19912 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19913 final String nativeLibPath = app.nativeLibraryDir; 19914 try { 19915 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19916 nativeLibPath, userId); 19917 } catch (InstallerException e) { 19918 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19919 } 19920 } 19921 } 19922 } 19923 19924 /** 19925 * For system apps on non-FBE devices, this method migrates any existing 19926 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19927 * requested by the app. 19928 */ 19929 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19930 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19931 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19932 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19933 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19934 try { 19935 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19936 storageTarget); 19937 } catch (InstallerException e) { 19938 logCriticalInfo(Log.WARN, 19939 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19940 } 19941 return true; 19942 } else { 19943 return false; 19944 } 19945 } 19946 19947 public PackageFreezer freezePackage(String packageName, String killReason) { 19948 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19949 } 19950 19951 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19952 return new PackageFreezer(packageName, userId, killReason); 19953 } 19954 19955 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19956 String killReason) { 19957 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19958 } 19959 19960 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19961 String killReason) { 19962 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19963 return new PackageFreezer(); 19964 } else { 19965 return freezePackage(packageName, userId, killReason); 19966 } 19967 } 19968 19969 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19970 String killReason) { 19971 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19972 } 19973 19974 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19975 String killReason) { 19976 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19977 return new PackageFreezer(); 19978 } else { 19979 return freezePackage(packageName, userId, killReason); 19980 } 19981 } 19982 19983 /** 19984 * Class that freezes and kills the given package upon creation, and 19985 * unfreezes it upon closing. This is typically used when doing surgery on 19986 * app code/data to prevent the app from running while you're working. 19987 */ 19988 private class PackageFreezer implements AutoCloseable { 19989 private final String mPackageName; 19990 private final PackageFreezer[] mChildren; 19991 19992 private final boolean mWeFroze; 19993 19994 private final AtomicBoolean mClosed = new AtomicBoolean(); 19995 private final CloseGuard mCloseGuard = CloseGuard.get(); 19996 19997 /** 19998 * Create and return a stub freezer that doesn't actually do anything, 19999 * typically used when someone requested 20000 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20001 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20002 */ 20003 public PackageFreezer() { 20004 mPackageName = null; 20005 mChildren = null; 20006 mWeFroze = false; 20007 mCloseGuard.open("close"); 20008 } 20009 20010 public PackageFreezer(String packageName, int userId, String killReason) { 20011 synchronized (mPackages) { 20012 mPackageName = packageName; 20013 mWeFroze = mFrozenPackages.add(mPackageName); 20014 20015 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20016 if (ps != null) { 20017 killApplication(ps.name, ps.appId, userId, killReason); 20018 } 20019 20020 final PackageParser.Package p = mPackages.get(packageName); 20021 if (p != null && p.childPackages != null) { 20022 final int N = p.childPackages.size(); 20023 mChildren = new PackageFreezer[N]; 20024 for (int i = 0; i < N; i++) { 20025 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20026 userId, killReason); 20027 } 20028 } else { 20029 mChildren = null; 20030 } 20031 } 20032 mCloseGuard.open("close"); 20033 } 20034 20035 @Override 20036 protected void finalize() throws Throwable { 20037 try { 20038 mCloseGuard.warnIfOpen(); 20039 close(); 20040 } finally { 20041 super.finalize(); 20042 } 20043 } 20044 20045 @Override 20046 public void close() { 20047 mCloseGuard.close(); 20048 if (mClosed.compareAndSet(false, true)) { 20049 synchronized (mPackages) { 20050 if (mWeFroze) { 20051 mFrozenPackages.remove(mPackageName); 20052 } 20053 20054 if (mChildren != null) { 20055 for (PackageFreezer freezer : mChildren) { 20056 freezer.close(); 20057 } 20058 } 20059 } 20060 } 20061 } 20062 } 20063 20064 /** 20065 * Verify that given package is currently frozen. 20066 */ 20067 private void checkPackageFrozen(String packageName) { 20068 synchronized (mPackages) { 20069 if (!mFrozenPackages.contains(packageName)) { 20070 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20071 } 20072 } 20073 } 20074 20075 @Override 20076 public int movePackage(final String packageName, final String volumeUuid) { 20077 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20078 20079 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20080 final int moveId = mNextMoveId.getAndIncrement(); 20081 mHandler.post(new Runnable() { 20082 @Override 20083 public void run() { 20084 try { 20085 movePackageInternal(packageName, volumeUuid, moveId, user); 20086 } catch (PackageManagerException e) { 20087 Slog.w(TAG, "Failed to move " + packageName, e); 20088 mMoveCallbacks.notifyStatusChanged(moveId, 20089 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20090 } 20091 } 20092 }); 20093 return moveId; 20094 } 20095 20096 private void movePackageInternal(final String packageName, final String volumeUuid, 20097 final int moveId, UserHandle user) throws PackageManagerException { 20098 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20099 final PackageManager pm = mContext.getPackageManager(); 20100 20101 final boolean currentAsec; 20102 final String currentVolumeUuid; 20103 final File codeFile; 20104 final String installerPackageName; 20105 final String packageAbiOverride; 20106 final int appId; 20107 final String seinfo; 20108 final String label; 20109 final int targetSdkVersion; 20110 final PackageFreezer freezer; 20111 final int[] installedUserIds; 20112 20113 // reader 20114 synchronized (mPackages) { 20115 final PackageParser.Package pkg = mPackages.get(packageName); 20116 final PackageSetting ps = mSettings.mPackages.get(packageName); 20117 if (pkg == null || ps == null) { 20118 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20119 } 20120 20121 if (pkg.applicationInfo.isSystemApp()) { 20122 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20123 "Cannot move system application"); 20124 } 20125 20126 if (pkg.applicationInfo.isExternalAsec()) { 20127 currentAsec = true; 20128 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20129 } else if (pkg.applicationInfo.isForwardLocked()) { 20130 currentAsec = true; 20131 currentVolumeUuid = "forward_locked"; 20132 } else { 20133 currentAsec = false; 20134 currentVolumeUuid = ps.volumeUuid; 20135 20136 final File probe = new File(pkg.codePath); 20137 final File probeOat = new File(probe, "oat"); 20138 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20139 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20140 "Move only supported for modern cluster style installs"); 20141 } 20142 } 20143 20144 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20145 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20146 "Package already moved to " + volumeUuid); 20147 } 20148 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20149 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20150 "Device admin cannot be moved"); 20151 } 20152 20153 if (mFrozenPackages.contains(packageName)) { 20154 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20155 "Failed to move already frozen package"); 20156 } 20157 20158 codeFile = new File(pkg.codePath); 20159 installerPackageName = ps.installerPackageName; 20160 packageAbiOverride = ps.cpuAbiOverrideString; 20161 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20162 seinfo = pkg.applicationInfo.seinfo; 20163 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20164 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20165 freezer = freezePackage(packageName, "movePackageInternal"); 20166 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20167 } 20168 20169 final Bundle extras = new Bundle(); 20170 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20171 extras.putString(Intent.EXTRA_TITLE, label); 20172 mMoveCallbacks.notifyCreated(moveId, extras); 20173 20174 int installFlags; 20175 final boolean moveCompleteApp; 20176 final File measurePath; 20177 20178 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20179 installFlags = INSTALL_INTERNAL; 20180 moveCompleteApp = !currentAsec; 20181 measurePath = Environment.getDataAppDirectory(volumeUuid); 20182 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20183 installFlags = INSTALL_EXTERNAL; 20184 moveCompleteApp = false; 20185 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20186 } else { 20187 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20188 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20189 || !volume.isMountedWritable()) { 20190 freezer.close(); 20191 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20192 "Move location not mounted private volume"); 20193 } 20194 20195 Preconditions.checkState(!currentAsec); 20196 20197 installFlags = INSTALL_INTERNAL; 20198 moveCompleteApp = true; 20199 measurePath = Environment.getDataAppDirectory(volumeUuid); 20200 } 20201 20202 final PackageStats stats = new PackageStats(null, -1); 20203 synchronized (mInstaller) { 20204 for (int userId : installedUserIds) { 20205 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20206 freezer.close(); 20207 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20208 "Failed to measure package size"); 20209 } 20210 } 20211 } 20212 20213 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20214 + stats.dataSize); 20215 20216 final long startFreeBytes = measurePath.getFreeSpace(); 20217 final long sizeBytes; 20218 if (moveCompleteApp) { 20219 sizeBytes = stats.codeSize + stats.dataSize; 20220 } else { 20221 sizeBytes = stats.codeSize; 20222 } 20223 20224 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20225 freezer.close(); 20226 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20227 "Not enough free space to move"); 20228 } 20229 20230 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20231 20232 final CountDownLatch installedLatch = new CountDownLatch(1); 20233 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20234 @Override 20235 public void onUserActionRequired(Intent intent) throws RemoteException { 20236 throw new IllegalStateException(); 20237 } 20238 20239 @Override 20240 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20241 Bundle extras) throws RemoteException { 20242 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20243 + PackageManager.installStatusToString(returnCode, msg)); 20244 20245 installedLatch.countDown(); 20246 freezer.close(); 20247 20248 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20249 switch (status) { 20250 case PackageInstaller.STATUS_SUCCESS: 20251 mMoveCallbacks.notifyStatusChanged(moveId, 20252 PackageManager.MOVE_SUCCEEDED); 20253 break; 20254 case PackageInstaller.STATUS_FAILURE_STORAGE: 20255 mMoveCallbacks.notifyStatusChanged(moveId, 20256 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20257 break; 20258 default: 20259 mMoveCallbacks.notifyStatusChanged(moveId, 20260 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20261 break; 20262 } 20263 } 20264 }; 20265 20266 final MoveInfo move; 20267 if (moveCompleteApp) { 20268 // Kick off a thread to report progress estimates 20269 new Thread() { 20270 @Override 20271 public void run() { 20272 while (true) { 20273 try { 20274 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20275 break; 20276 } 20277 } catch (InterruptedException ignored) { 20278 } 20279 20280 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20281 final int progress = 10 + (int) MathUtils.constrain( 20282 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20283 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20284 } 20285 } 20286 }.start(); 20287 20288 final String dataAppName = codeFile.getName(); 20289 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20290 dataAppName, appId, seinfo, targetSdkVersion); 20291 } else { 20292 move = null; 20293 } 20294 20295 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20296 20297 final Message msg = mHandler.obtainMessage(INIT_COPY); 20298 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20299 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20300 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20301 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20302 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20303 msg.obj = params; 20304 20305 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20306 System.identityHashCode(msg.obj)); 20307 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20308 System.identityHashCode(msg.obj)); 20309 20310 mHandler.sendMessage(msg); 20311 } 20312 20313 @Override 20314 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20315 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20316 20317 final int realMoveId = mNextMoveId.getAndIncrement(); 20318 final Bundle extras = new Bundle(); 20319 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20320 mMoveCallbacks.notifyCreated(realMoveId, extras); 20321 20322 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20323 @Override 20324 public void onCreated(int moveId, Bundle extras) { 20325 // Ignored 20326 } 20327 20328 @Override 20329 public void onStatusChanged(int moveId, int status, long estMillis) { 20330 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20331 } 20332 }; 20333 20334 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20335 storage.setPrimaryStorageUuid(volumeUuid, callback); 20336 return realMoveId; 20337 } 20338 20339 @Override 20340 public int getMoveStatus(int moveId) { 20341 mContext.enforceCallingOrSelfPermission( 20342 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20343 return mMoveCallbacks.mLastStatus.get(moveId); 20344 } 20345 20346 @Override 20347 public void registerMoveCallback(IPackageMoveObserver callback) { 20348 mContext.enforceCallingOrSelfPermission( 20349 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20350 mMoveCallbacks.register(callback); 20351 } 20352 20353 @Override 20354 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20355 mContext.enforceCallingOrSelfPermission( 20356 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20357 mMoveCallbacks.unregister(callback); 20358 } 20359 20360 @Override 20361 public boolean setInstallLocation(int loc) { 20362 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20363 null); 20364 if (getInstallLocation() == loc) { 20365 return true; 20366 } 20367 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20368 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20369 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20370 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20371 return true; 20372 } 20373 return false; 20374 } 20375 20376 @Override 20377 public int getInstallLocation() { 20378 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20379 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20380 PackageHelper.APP_INSTALL_AUTO); 20381 } 20382 20383 /** Called by UserManagerService */ 20384 void cleanUpUser(UserManagerService userManager, int userHandle) { 20385 synchronized (mPackages) { 20386 mDirtyUsers.remove(userHandle); 20387 mUserNeedsBadging.delete(userHandle); 20388 mSettings.removeUserLPw(userHandle); 20389 mPendingBroadcasts.remove(userHandle); 20390 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20391 removeUnusedPackagesLPw(userManager, userHandle); 20392 } 20393 } 20394 20395 /** 20396 * We're removing userHandle and would like to remove any downloaded packages 20397 * that are no longer in use by any other user. 20398 * @param userHandle the user being removed 20399 */ 20400 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20401 final boolean DEBUG_CLEAN_APKS = false; 20402 int [] users = userManager.getUserIds(); 20403 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20404 while (psit.hasNext()) { 20405 PackageSetting ps = psit.next(); 20406 if (ps.pkg == null) { 20407 continue; 20408 } 20409 final String packageName = ps.pkg.packageName; 20410 // Skip over if system app 20411 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20412 continue; 20413 } 20414 if (DEBUG_CLEAN_APKS) { 20415 Slog.i(TAG, "Checking package " + packageName); 20416 } 20417 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20418 if (keep) { 20419 if (DEBUG_CLEAN_APKS) { 20420 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20421 } 20422 } else { 20423 for (int i = 0; i < users.length; i++) { 20424 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20425 keep = true; 20426 if (DEBUG_CLEAN_APKS) { 20427 Slog.i(TAG, " Keeping package " + packageName + " for user " 20428 + users[i]); 20429 } 20430 break; 20431 } 20432 } 20433 } 20434 if (!keep) { 20435 if (DEBUG_CLEAN_APKS) { 20436 Slog.i(TAG, " Removing package " + packageName); 20437 } 20438 mHandler.post(new Runnable() { 20439 public void run() { 20440 deletePackageX(packageName, userHandle, 0); 20441 } //end run 20442 }); 20443 } 20444 } 20445 } 20446 20447 /** Called by UserManagerService */ 20448 void createNewUser(int userId) { 20449 synchronized (mInstallLock) { 20450 mSettings.createNewUserLI(this, mInstaller, userId); 20451 } 20452 synchronized (mPackages) { 20453 scheduleWritePackageRestrictionsLocked(userId); 20454 scheduleWritePackageListLocked(userId); 20455 applyFactoryDefaultBrowserLPw(userId); 20456 primeDomainVerificationsLPw(userId); 20457 } 20458 } 20459 20460 void onBeforeUserStartUninitialized(final int userId) { 20461 synchronized (mPackages) { 20462 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20463 return; 20464 } 20465 } 20466 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20467 // If permission review for legacy apps is required, we represent 20468 // dagerous permissions for such apps as always granted runtime 20469 // permissions to keep per user flag state whether review is needed. 20470 // Hence, if a new user is added we have to propagate dangerous 20471 // permission grants for these legacy apps. 20472 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20473 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20474 | UPDATE_PERMISSIONS_REPLACE_ALL); 20475 } 20476 } 20477 20478 @Override 20479 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20480 mContext.enforceCallingOrSelfPermission( 20481 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20482 "Only package verification agents can read the verifier device identity"); 20483 20484 synchronized (mPackages) { 20485 return mSettings.getVerifierDeviceIdentityLPw(); 20486 } 20487 } 20488 20489 @Override 20490 public void setPermissionEnforced(String permission, boolean enforced) { 20491 // TODO: Now that we no longer change GID for storage, this should to away. 20492 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20493 "setPermissionEnforced"); 20494 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20495 synchronized (mPackages) { 20496 if (mSettings.mReadExternalStorageEnforced == null 20497 || mSettings.mReadExternalStorageEnforced != enforced) { 20498 mSettings.mReadExternalStorageEnforced = enforced; 20499 mSettings.writeLPr(); 20500 } 20501 } 20502 // kill any non-foreground processes so we restart them and 20503 // grant/revoke the GID. 20504 final IActivityManager am = ActivityManagerNative.getDefault(); 20505 if (am != null) { 20506 final long token = Binder.clearCallingIdentity(); 20507 try { 20508 am.killProcessesBelowForeground("setPermissionEnforcement"); 20509 } catch (RemoteException e) { 20510 } finally { 20511 Binder.restoreCallingIdentity(token); 20512 } 20513 } 20514 } else { 20515 throw new IllegalArgumentException("No selective enforcement for " + permission); 20516 } 20517 } 20518 20519 @Override 20520 @Deprecated 20521 public boolean isPermissionEnforced(String permission) { 20522 return true; 20523 } 20524 20525 @Override 20526 public boolean isStorageLow() { 20527 final long token = Binder.clearCallingIdentity(); 20528 try { 20529 final DeviceStorageMonitorInternal 20530 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20531 if (dsm != null) { 20532 return dsm.isMemoryLow(); 20533 } else { 20534 return false; 20535 } 20536 } finally { 20537 Binder.restoreCallingIdentity(token); 20538 } 20539 } 20540 20541 @Override 20542 public IPackageInstaller getPackageInstaller() { 20543 return mInstallerService; 20544 } 20545 20546 private boolean userNeedsBadging(int userId) { 20547 int index = mUserNeedsBadging.indexOfKey(userId); 20548 if (index < 0) { 20549 final UserInfo userInfo; 20550 final long token = Binder.clearCallingIdentity(); 20551 try { 20552 userInfo = sUserManager.getUserInfo(userId); 20553 } finally { 20554 Binder.restoreCallingIdentity(token); 20555 } 20556 final boolean b; 20557 if (userInfo != null && userInfo.isManagedProfile()) { 20558 b = true; 20559 } else { 20560 b = false; 20561 } 20562 mUserNeedsBadging.put(userId, b); 20563 return b; 20564 } 20565 return mUserNeedsBadging.valueAt(index); 20566 } 20567 20568 @Override 20569 public KeySet getKeySetByAlias(String packageName, String alias) { 20570 if (packageName == null || alias == null) { 20571 return null; 20572 } 20573 synchronized(mPackages) { 20574 final PackageParser.Package pkg = mPackages.get(packageName); 20575 if (pkg == null) { 20576 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20577 throw new IllegalArgumentException("Unknown package: " + packageName); 20578 } 20579 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20580 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20581 } 20582 } 20583 20584 @Override 20585 public KeySet getSigningKeySet(String packageName) { 20586 if (packageName == null) { 20587 return null; 20588 } 20589 synchronized(mPackages) { 20590 final PackageParser.Package pkg = mPackages.get(packageName); 20591 if (pkg == null) { 20592 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20593 throw new IllegalArgumentException("Unknown package: " + packageName); 20594 } 20595 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20596 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20597 throw new SecurityException("May not access signing KeySet of other apps."); 20598 } 20599 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20600 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20601 } 20602 } 20603 20604 @Override 20605 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20606 if (packageName == null || ks == null) { 20607 return false; 20608 } 20609 synchronized(mPackages) { 20610 final PackageParser.Package pkg = mPackages.get(packageName); 20611 if (pkg == null) { 20612 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20613 throw new IllegalArgumentException("Unknown package: " + packageName); 20614 } 20615 IBinder ksh = ks.getToken(); 20616 if (ksh instanceof KeySetHandle) { 20617 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20618 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20619 } 20620 return false; 20621 } 20622 } 20623 20624 @Override 20625 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20626 if (packageName == null || ks == null) { 20627 return false; 20628 } 20629 synchronized(mPackages) { 20630 final PackageParser.Package pkg = mPackages.get(packageName); 20631 if (pkg == null) { 20632 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20633 throw new IllegalArgumentException("Unknown package: " + packageName); 20634 } 20635 IBinder ksh = ks.getToken(); 20636 if (ksh instanceof KeySetHandle) { 20637 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20638 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20639 } 20640 return false; 20641 } 20642 } 20643 20644 private void deletePackageIfUnusedLPr(final String packageName) { 20645 PackageSetting ps = mSettings.mPackages.get(packageName); 20646 if (ps == null) { 20647 return; 20648 } 20649 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20650 // TODO Implement atomic delete if package is unused 20651 // It is currently possible that the package will be deleted even if it is installed 20652 // after this method returns. 20653 mHandler.post(new Runnable() { 20654 public void run() { 20655 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20656 } 20657 }); 20658 } 20659 } 20660 20661 /** 20662 * Check and throw if the given before/after packages would be considered a 20663 * downgrade. 20664 */ 20665 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20666 throws PackageManagerException { 20667 if (after.versionCode < before.mVersionCode) { 20668 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20669 "Update version code " + after.versionCode + " is older than current " 20670 + before.mVersionCode); 20671 } else if (after.versionCode == before.mVersionCode) { 20672 if (after.baseRevisionCode < before.baseRevisionCode) { 20673 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20674 "Update base revision code " + after.baseRevisionCode 20675 + " is older than current " + before.baseRevisionCode); 20676 } 20677 20678 if (!ArrayUtils.isEmpty(after.splitNames)) { 20679 for (int i = 0; i < after.splitNames.length; i++) { 20680 final String splitName = after.splitNames[i]; 20681 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20682 if (j != -1) { 20683 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20684 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20685 "Update split " + splitName + " revision code " 20686 + after.splitRevisionCodes[i] + " is older than current " 20687 + before.splitRevisionCodes[j]); 20688 } 20689 } 20690 } 20691 } 20692 } 20693 } 20694 20695 private static class MoveCallbacks extends Handler { 20696 private static final int MSG_CREATED = 1; 20697 private static final int MSG_STATUS_CHANGED = 2; 20698 20699 private final RemoteCallbackList<IPackageMoveObserver> 20700 mCallbacks = new RemoteCallbackList<>(); 20701 20702 private final SparseIntArray mLastStatus = new SparseIntArray(); 20703 20704 public MoveCallbacks(Looper looper) { 20705 super(looper); 20706 } 20707 20708 public void register(IPackageMoveObserver callback) { 20709 mCallbacks.register(callback); 20710 } 20711 20712 public void unregister(IPackageMoveObserver callback) { 20713 mCallbacks.unregister(callback); 20714 } 20715 20716 @Override 20717 public void handleMessage(Message msg) { 20718 final SomeArgs args = (SomeArgs) msg.obj; 20719 final int n = mCallbacks.beginBroadcast(); 20720 for (int i = 0; i < n; i++) { 20721 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20722 try { 20723 invokeCallback(callback, msg.what, args); 20724 } catch (RemoteException ignored) { 20725 } 20726 } 20727 mCallbacks.finishBroadcast(); 20728 args.recycle(); 20729 } 20730 20731 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20732 throws RemoteException { 20733 switch (what) { 20734 case MSG_CREATED: { 20735 callback.onCreated(args.argi1, (Bundle) args.arg2); 20736 break; 20737 } 20738 case MSG_STATUS_CHANGED: { 20739 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20740 break; 20741 } 20742 } 20743 } 20744 20745 private void notifyCreated(int moveId, Bundle extras) { 20746 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20747 20748 final SomeArgs args = SomeArgs.obtain(); 20749 args.argi1 = moveId; 20750 args.arg2 = extras; 20751 obtainMessage(MSG_CREATED, args).sendToTarget(); 20752 } 20753 20754 private void notifyStatusChanged(int moveId, int status) { 20755 notifyStatusChanged(moveId, status, -1); 20756 } 20757 20758 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20759 Slog.v(TAG, "Move " + moveId + " status " + status); 20760 20761 final SomeArgs args = SomeArgs.obtain(); 20762 args.argi1 = moveId; 20763 args.argi2 = status; 20764 args.arg3 = estMillis; 20765 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20766 20767 synchronized (mLastStatus) { 20768 mLastStatus.put(moveId, status); 20769 } 20770 } 20771 } 20772 20773 private final static class OnPermissionChangeListeners extends Handler { 20774 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20775 20776 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20777 new RemoteCallbackList<>(); 20778 20779 public OnPermissionChangeListeners(Looper looper) { 20780 super(looper); 20781 } 20782 20783 @Override 20784 public void handleMessage(Message msg) { 20785 switch (msg.what) { 20786 case MSG_ON_PERMISSIONS_CHANGED: { 20787 final int uid = msg.arg1; 20788 handleOnPermissionsChanged(uid); 20789 } break; 20790 } 20791 } 20792 20793 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20794 mPermissionListeners.register(listener); 20795 20796 } 20797 20798 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20799 mPermissionListeners.unregister(listener); 20800 } 20801 20802 public void onPermissionsChanged(int uid) { 20803 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20804 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20805 } 20806 } 20807 20808 private void handleOnPermissionsChanged(int uid) { 20809 final int count = mPermissionListeners.beginBroadcast(); 20810 try { 20811 for (int i = 0; i < count; i++) { 20812 IOnPermissionsChangeListener callback = mPermissionListeners 20813 .getBroadcastItem(i); 20814 try { 20815 callback.onPermissionsChanged(uid); 20816 } catch (RemoteException e) { 20817 Log.e(TAG, "Permission listener is dead", e); 20818 } 20819 } 20820 } finally { 20821 mPermissionListeners.finishBroadcast(); 20822 } 20823 } 20824 } 20825 20826 private class PackageManagerInternalImpl extends PackageManagerInternal { 20827 @Override 20828 public void setLocationPackagesProvider(PackagesProvider provider) { 20829 synchronized (mPackages) { 20830 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20831 } 20832 } 20833 20834 @Override 20835 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20836 synchronized (mPackages) { 20837 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20838 } 20839 } 20840 20841 @Override 20842 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20843 synchronized (mPackages) { 20844 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20845 } 20846 } 20847 20848 @Override 20849 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20850 synchronized (mPackages) { 20851 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20852 } 20853 } 20854 20855 @Override 20856 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20857 synchronized (mPackages) { 20858 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20859 } 20860 } 20861 20862 @Override 20863 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20864 synchronized (mPackages) { 20865 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20866 } 20867 } 20868 20869 @Override 20870 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20871 synchronized (mPackages) { 20872 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20873 packageName, userId); 20874 } 20875 } 20876 20877 @Override 20878 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20879 synchronized (mPackages) { 20880 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20881 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20882 packageName, userId); 20883 } 20884 } 20885 20886 @Override 20887 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20888 synchronized (mPackages) { 20889 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20890 packageName, userId); 20891 } 20892 } 20893 20894 @Override 20895 public void setKeepUninstalledPackages(final List<String> packageList) { 20896 Preconditions.checkNotNull(packageList); 20897 List<String> removedFromList = null; 20898 synchronized (mPackages) { 20899 if (mKeepUninstalledPackages != null) { 20900 final int packagesCount = mKeepUninstalledPackages.size(); 20901 for (int i = 0; i < packagesCount; i++) { 20902 String oldPackage = mKeepUninstalledPackages.get(i); 20903 if (packageList != null && packageList.contains(oldPackage)) { 20904 continue; 20905 } 20906 if (removedFromList == null) { 20907 removedFromList = new ArrayList<>(); 20908 } 20909 removedFromList.add(oldPackage); 20910 } 20911 } 20912 mKeepUninstalledPackages = new ArrayList<>(packageList); 20913 if (removedFromList != null) { 20914 final int removedCount = removedFromList.size(); 20915 for (int i = 0; i < removedCount; i++) { 20916 deletePackageIfUnusedLPr(removedFromList.get(i)); 20917 } 20918 } 20919 } 20920 } 20921 20922 @Override 20923 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20924 synchronized (mPackages) { 20925 // If we do not support permission review, done. 20926 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20927 return false; 20928 } 20929 20930 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20931 if (packageSetting == null) { 20932 return false; 20933 } 20934 20935 // Permission review applies only to apps not supporting the new permission model. 20936 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20937 return false; 20938 } 20939 20940 // Legacy apps have the permission and get user consent on launch. 20941 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20942 return permissionsState.isPermissionReviewRequired(userId); 20943 } 20944 } 20945 20946 @Override 20947 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20948 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20949 } 20950 20951 @Override 20952 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20953 int userId) { 20954 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20955 } 20956 20957 @Override 20958 public void setDeviceAndProfileOwnerPackages( 20959 int deviceOwnerUserId, String deviceOwnerPackage, 20960 SparseArray<String> profileOwnerPackages) { 20961 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20962 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20963 } 20964 20965 @Override 20966 public boolean isPackageDataProtected(int userId, String packageName) { 20967 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20968 } 20969 } 20970 20971 @Override 20972 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20973 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20974 synchronized (mPackages) { 20975 final long identity = Binder.clearCallingIdentity(); 20976 try { 20977 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20978 packageNames, userId); 20979 } finally { 20980 Binder.restoreCallingIdentity(identity); 20981 } 20982 } 20983 } 20984 20985 private static void enforceSystemOrPhoneCaller(String tag) { 20986 int callingUid = Binder.getCallingUid(); 20987 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20988 throw new SecurityException( 20989 "Cannot call " + tag + " from UID " + callingUid); 20990 } 20991 } 20992 20993 boolean isHistoricalPackageUsageAvailable() { 20994 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20995 } 20996 20997 /** 20998 * Return a <b>copy</b> of the collection of packages known to the package manager. 20999 * @return A copy of the values of mPackages. 21000 */ 21001 Collection<PackageParser.Package> getPackages() { 21002 synchronized (mPackages) { 21003 return new ArrayList<>(mPackages.values()); 21004 } 21005 } 21006 21007 /** 21008 * Logs process start information (including base APK hash) to the security log. 21009 * @hide 21010 */ 21011 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21012 String apkFile, int pid) { 21013 if (!SecurityLog.isLoggingEnabled()) { 21014 return; 21015 } 21016 Bundle data = new Bundle(); 21017 data.putLong("startTimestamp", System.currentTimeMillis()); 21018 data.putString("processName", processName); 21019 data.putInt("uid", uid); 21020 data.putString("seinfo", seinfo); 21021 data.putString("apkFile", apkFile); 21022 data.putInt("pid", pid); 21023 Message msg = mProcessLoggingHandler.obtainMessage( 21024 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21025 msg.setData(data); 21026 mProcessLoggingHandler.sendMessage(msg); 21027 } 21028} 21029