PackageManagerService.java revision bf6154a5ba3ec164d5f29465dcb65213cc641b22
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 66import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 67import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 94import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.ResourcesManager; 107import android.app.admin.IDevicePolicyManager; 108import android.app.admin.SecurityLog; 109import android.app.backup.IBackupManager; 110import android.content.BroadcastReceiver; 111import android.content.ComponentName; 112import android.content.Context; 113import android.content.IIntentReceiver; 114import android.content.Intent; 115import android.content.IntentFilter; 116import android.content.IntentSender; 117import android.content.IntentSender.SendIntentException; 118import android.content.ServiceConnection; 119import android.content.pm.ActivityInfo; 120import android.content.pm.ApplicationInfo; 121import android.content.pm.AppsQueryHelper; 122import android.content.pm.ComponentInfo; 123import android.content.pm.EphemeralApplicationInfo; 124import android.content.pm.EphemeralResolveInfo; 125import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 126import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 127import android.content.pm.FeatureInfo; 128import android.content.pm.IOnPermissionsChangeListener; 129import android.content.pm.IPackageDataObserver; 130import android.content.pm.IPackageDeleteObserver; 131import android.content.pm.IPackageDeleteObserver2; 132import android.content.pm.IPackageInstallObserver2; 133import android.content.pm.IPackageInstaller; 134import android.content.pm.IPackageManager; 135import android.content.pm.IPackageMoveObserver; 136import android.content.pm.IPackageStatsObserver; 137import android.content.pm.InstrumentationInfo; 138import android.content.pm.IntentFilterVerificationInfo; 139import android.content.pm.KeySet; 140import android.content.pm.PackageCleanItem; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageInfoLite; 143import android.content.pm.PackageInstaller; 144import android.content.pm.PackageManager; 145import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 146import android.content.pm.PackageManagerInternal; 147import android.content.pm.PackageParser; 148import android.content.pm.PackageParser.ActivityIntentInfo; 149import android.content.pm.PackageParser.PackageLite; 150import android.content.pm.PackageParser.PackageParserException; 151import android.content.pm.PackageStats; 152import android.content.pm.PackageUserState; 153import android.content.pm.ParceledListSlice; 154import android.content.pm.PermissionGroupInfo; 155import android.content.pm.PermissionInfo; 156import android.content.pm.ProviderInfo; 157import android.content.pm.ResolveInfo; 158import android.content.pm.ServiceInfo; 159import android.content.pm.Signature; 160import android.content.pm.UserInfo; 161import android.content.pm.VerifierDeviceIdentity; 162import android.content.pm.VerifierInfo; 163import android.content.res.Resources; 164import android.graphics.Bitmap; 165import android.hardware.display.DisplayManager; 166import android.net.Uri; 167import android.os.Binder; 168import android.os.Build; 169import android.os.Bundle; 170import android.os.Debug; 171import android.os.Environment; 172import android.os.Environment.UserEnvironment; 173import android.os.FileUtils; 174import android.os.Handler; 175import android.os.IBinder; 176import android.os.Looper; 177import android.os.Message; 178import android.os.Parcel; 179import android.os.ParcelFileDescriptor; 180import android.os.Process; 181import android.os.RemoteCallbackList; 182import android.os.RemoteException; 183import android.os.ResultReceiver; 184import android.os.SELinux; 185import android.os.ServiceManager; 186import android.os.SystemClock; 187import android.os.SystemProperties; 188import android.os.Trace; 189import android.os.UserHandle; 190import android.os.UserManager; 191import android.os.UserManagerInternal; 192import android.os.storage.IMountService; 193import android.os.storage.MountServiceInternal; 194import android.os.storage.StorageEventListener; 195import android.os.storage.StorageManager; 196import android.os.storage.VolumeInfo; 197import android.os.storage.VolumeRecord; 198import android.provider.Settings.Global; 199import android.security.KeyStore; 200import android.security.SystemKeyStore; 201import android.system.ErrnoException; 202import android.system.Os; 203import android.text.TextUtils; 204import android.text.format.DateUtils; 205import android.util.ArrayMap; 206import android.util.ArraySet; 207import android.util.DisplayMetrics; 208import android.util.EventLog; 209import android.util.ExceptionUtils; 210import android.util.Log; 211import android.util.LogPrinter; 212import android.util.MathUtils; 213import android.util.PrintStreamPrinter; 214import android.util.Slog; 215import android.util.SparseArray; 216import android.util.SparseBooleanArray; 217import android.util.SparseIntArray; 218import android.util.Xml; 219import android.util.jar.StrictJarFile; 220import android.view.Display; 221 222import com.android.internal.R; 223import com.android.internal.annotations.GuardedBy; 224import com.android.internal.app.IMediaContainerService; 225import com.android.internal.app.ResolverActivity; 226import com.android.internal.content.NativeLibraryHelper; 227import com.android.internal.content.PackageHelper; 228import com.android.internal.logging.MetricsLogger; 229import com.android.internal.os.IParcelFileDescriptorFactory; 230import com.android.internal.os.InstallerConnection.InstallerException; 231import com.android.internal.os.SomeArgs; 232import com.android.internal.os.Zygote; 233import com.android.internal.telephony.CarrierAppUtils; 234import com.android.internal.util.ArrayUtils; 235import com.android.internal.util.FastPrintWriter; 236import com.android.internal.util.FastXmlSerializer; 237import com.android.internal.util.IndentingPrintWriter; 238import com.android.internal.util.Preconditions; 239import com.android.internal.util.XmlUtils; 240import com.android.server.AttributeCache; 241import com.android.server.EventLogTags; 242import com.android.server.FgThread; 243import com.android.server.IntentResolver; 244import com.android.server.LocalServices; 245import com.android.server.ServiceThread; 246import com.android.server.SystemConfig; 247import com.android.server.Watchdog; 248import com.android.server.net.NetworkPolicyManagerInternal; 249import com.android.server.pm.PermissionsState.PermissionState; 250import com.android.server.pm.Settings.DatabaseVersion; 251import com.android.server.pm.Settings.VersionInfo; 252import com.android.server.storage.DeviceStorageMonitorInternal; 253 254import dalvik.system.CloseGuard; 255import dalvik.system.DexFile; 256import dalvik.system.VMRuntime; 257 258import libcore.io.IoUtils; 259import libcore.util.EmptyArray; 260 261import org.xmlpull.v1.XmlPullParser; 262import org.xmlpull.v1.XmlPullParserException; 263import org.xmlpull.v1.XmlSerializer; 264 265import java.io.BufferedOutputStream; 266import java.io.BufferedReader; 267import java.io.ByteArrayInputStream; 268import java.io.ByteArrayOutputStream; 269import java.io.File; 270import java.io.FileDescriptor; 271import java.io.FileInputStream; 272import java.io.FileNotFoundException; 273import java.io.FileOutputStream; 274import java.io.FileReader; 275import java.io.FilenameFilter; 276import java.io.IOException; 277import java.io.PrintWriter; 278import java.nio.charset.StandardCharsets; 279import java.security.DigestInputStream; 280import java.security.MessageDigest; 281import java.security.NoSuchAlgorithmException; 282import java.security.PublicKey; 283import java.security.cert.Certificate; 284import java.security.cert.CertificateEncodingException; 285import java.security.cert.CertificateException; 286import java.text.SimpleDateFormat; 287import java.util.ArrayList; 288import java.util.Arrays; 289import java.util.Collection; 290import java.util.Collections; 291import java.util.Comparator; 292import java.util.Date; 293import java.util.HashSet; 294import java.util.Iterator; 295import java.util.List; 296import java.util.Map; 297import java.util.Objects; 298import java.util.Set; 299import java.util.concurrent.CountDownLatch; 300import java.util.concurrent.TimeUnit; 301import java.util.concurrent.atomic.AtomicBoolean; 302import java.util.concurrent.atomic.AtomicInteger; 303 304/** 305 * Keep track of all those APKs everywhere. 306 * <p> 307 * Internally there are two important locks: 308 * <ul> 309 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 310 * and other related state. It is a fine-grained lock that should only be held 311 * momentarily, as it's one of the most contended locks in the system. 312 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 313 * operations typically involve heavy lifting of application data on disk. Since 314 * {@code installd} is single-threaded, and it's operations can often be slow, 315 * this lock should never be acquired while already holding {@link #mPackages}. 316 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 317 * holding {@link #mInstallLock}. 318 * </ul> 319 * Many internal methods rely on the caller to hold the appropriate locks, and 320 * this contract is expressed through method name suffixes: 321 * <ul> 322 * <li>fooLI(): the caller must hold {@link #mInstallLock} 323 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 324 * being modified must be frozen 325 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 326 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 327 * </ul> 328 * <p> 329 * Because this class is very central to the platform's security; please run all 330 * CTS and unit tests whenever making modifications: 331 * 332 * <pre> 333 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 334 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 335 * </pre> 336 */ 337public class PackageManagerService extends IPackageManager.Stub { 338 static final String TAG = "PackageManager"; 339 static final boolean DEBUG_SETTINGS = false; 340 static final boolean DEBUG_PREFERRED = false; 341 static final boolean DEBUG_UPGRADE = false; 342 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 343 private static final boolean DEBUG_BACKUP = false; 344 private static final boolean DEBUG_INSTALL = false; 345 private static final boolean DEBUG_REMOVE = false; 346 private static final boolean DEBUG_BROADCASTS = false; 347 private static final boolean DEBUG_SHOW_INFO = false; 348 private static final boolean DEBUG_PACKAGE_INFO = false; 349 private static final boolean DEBUG_INTENT_MATCHING = false; 350 private static final boolean DEBUG_PACKAGE_SCANNING = false; 351 private static final boolean DEBUG_VERIFY = false; 352 private static final boolean DEBUG_FILTERS = false; 353 354 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 355 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 356 // user, but by default initialize to this. 357 static final boolean DEBUG_DEXOPT = false; 358 359 private static final boolean DEBUG_ABI_SELECTION = false; 360 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 361 private static final boolean DEBUG_TRIAGED_MISSING = false; 362 private static final boolean DEBUG_APP_DATA = false; 363 364 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 365 366 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 367 368 private static final int RADIO_UID = Process.PHONE_UID; 369 private static final int LOG_UID = Process.LOG_UID; 370 private static final int NFC_UID = Process.NFC_UID; 371 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 372 private static final int SHELL_UID = Process.SHELL_UID; 373 374 // Cap the size of permission trees that 3rd party apps can define 375 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 376 377 // Suffix used during package installation when copying/moving 378 // package apks to install directory. 379 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 380 381 static final int SCAN_NO_DEX = 1<<1; 382 static final int SCAN_FORCE_DEX = 1<<2; 383 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 384 static final int SCAN_NEW_INSTALL = 1<<4; 385 static final int SCAN_NO_PATHS = 1<<5; 386 static final int SCAN_UPDATE_TIME = 1<<6; 387 static final int SCAN_DEFER_DEX = 1<<7; 388 static final int SCAN_BOOTING = 1<<8; 389 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 390 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 391 static final int SCAN_REPLACING = 1<<11; 392 static final int SCAN_REQUIRE_KNOWN = 1<<12; 393 static final int SCAN_MOVE = 1<<13; 394 static final int SCAN_INITIAL = 1<<14; 395 static final int SCAN_CHECK_ONLY = 1<<15; 396 static final int SCAN_DONT_KILL_APP = 1<<17; 397 static final int SCAN_IGNORE_FROZEN = 1<<18; 398 399 static final int REMOVE_CHATTY = 1<<16; 400 401 private static final int[] EMPTY_INT_ARRAY = new int[0]; 402 403 /** 404 * Timeout (in milliseconds) after which the watchdog should declare that 405 * our handler thread is wedged. The usual default for such things is one 406 * minute but we sometimes do very lengthy I/O operations on this thread, 407 * such as installing multi-gigabyte applications, so ours needs to be longer. 408 */ 409 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 410 411 /** 412 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 413 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 414 * settings entry if available, otherwise we use the hardcoded default. If it's been 415 * more than this long since the last fstrim, we force one during the boot sequence. 416 * 417 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 418 * one gets run at the next available charging+idle time. This final mandatory 419 * no-fstrim check kicks in only of the other scheduling criteria is never met. 420 */ 421 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 422 423 /** 424 * Whether verification is enabled by default. 425 */ 426 private static final boolean DEFAULT_VERIFY_ENABLE = true; 427 428 /** 429 * The default maximum time to wait for the verification agent to return in 430 * milliseconds. 431 */ 432 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 433 434 /** 435 * The default response for package verification timeout. 436 * 437 * This can be either PackageManager.VERIFICATION_ALLOW or 438 * PackageManager.VERIFICATION_REJECT. 439 */ 440 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 441 442 static final String PLATFORM_PACKAGE_NAME = "android"; 443 444 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 445 446 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 447 DEFAULT_CONTAINER_PACKAGE, 448 "com.android.defcontainer.DefaultContainerService"); 449 450 private static final String KILL_APP_REASON_GIDS_CHANGED = 451 "permission grant or revoke changed gids"; 452 453 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 454 "permissions revoked"; 455 456 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 457 458 private static final String PACKAGE_SCHEME = "package"; 459 460 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 461 462 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 463 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 464 465 /** Permission grant: not grant the permission. */ 466 private static final int GRANT_DENIED = 1; 467 468 /** Permission grant: grant the permission as an install permission. */ 469 private static final int GRANT_INSTALL = 2; 470 471 /** Permission grant: grant the permission as a runtime one. */ 472 private static final int GRANT_RUNTIME = 3; 473 474 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 475 private static final int GRANT_UPGRADE = 4; 476 477 /** Canonical intent used to identify what counts as a "web browser" app */ 478 private static final Intent sBrowserIntent; 479 static { 480 sBrowserIntent = new Intent(); 481 sBrowserIntent.setAction(Intent.ACTION_VIEW); 482 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 483 sBrowserIntent.setData(Uri.parse("http:")); 484 } 485 486 /** 487 * The set of all protected actions [i.e. those actions for which a high priority 488 * intent filter is disallowed]. 489 */ 490 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 491 static { 492 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 493 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 494 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 495 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 496 } 497 498 // Compilation reasons. 499 public static final int REASON_FIRST_BOOT = 0; 500 public static final int REASON_BOOT = 1; 501 public static final int REASON_INSTALL = 2; 502 public static final int REASON_BACKGROUND_DEXOPT = 3; 503 public static final int REASON_AB_OTA = 4; 504 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 505 public static final int REASON_SHARED_APK = 6; 506 public static final int REASON_FORCED_DEXOPT = 7; 507 public static final int REASON_CORE_APP = 8; 508 509 public static final int REASON_LAST = REASON_CORE_APP; 510 511 /** Special library name that skips shared libraries check during compilation. */ 512 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 513 514 final ServiceThread mHandlerThread; 515 516 final PackageHandler mHandler; 517 518 private final ProcessLoggingHandler mProcessLoggingHandler; 519 520 /** 521 * Messages for {@link #mHandler} that need to wait for system ready before 522 * being dispatched. 523 */ 524 private ArrayList<Message> mPostSystemReadyMessages; 525 526 final int mSdkVersion = Build.VERSION.SDK_INT; 527 528 final Context mContext; 529 final boolean mFactoryTest; 530 final boolean mOnlyCore; 531 final DisplayMetrics mMetrics; 532 final int mDefParseFlags; 533 final String[] mSeparateProcesses; 534 final boolean mIsUpgrade; 535 final boolean mIsPreNUpgrade; 536 final boolean mIsPreNMR1Upgrade; 537 538 /** The location for ASEC container files on internal storage. */ 539 final String mAsecInternalPath; 540 541 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 542 // LOCK HELD. Can be called with mInstallLock held. 543 @GuardedBy("mInstallLock") 544 final Installer mInstaller; 545 546 /** Directory where installed third-party apps stored */ 547 final File mAppInstallDir; 548 final File mEphemeralInstallDir; 549 550 /** 551 * Directory to which applications installed internally have their 552 * 32 bit native libraries copied. 553 */ 554 private File mAppLib32InstallDir; 555 556 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 557 // apps. 558 final File mDrmAppPrivateInstallDir; 559 560 // ---------------------------------------------------------------- 561 562 // Lock for state used when installing and doing other long running 563 // operations. Methods that must be called with this lock held have 564 // the suffix "LI". 565 final Object mInstallLock = new Object(); 566 567 // ---------------------------------------------------------------- 568 569 // Keys are String (package name), values are Package. This also serves 570 // as the lock for the global state. Methods that must be called with 571 // this lock held have the prefix "LP". 572 @GuardedBy("mPackages") 573 final ArrayMap<String, PackageParser.Package> mPackages = 574 new ArrayMap<String, PackageParser.Package>(); 575 576 final ArrayMap<String, Set<String>> mKnownCodebase = 577 new ArrayMap<String, Set<String>>(); 578 579 // Tracks available target package names -> overlay package paths. 580 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 581 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 582 583 /** 584 * Tracks new system packages [received in an OTA] that we expect to 585 * find updated user-installed versions. Keys are package name, values 586 * are package location. 587 */ 588 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 589 /** 590 * Tracks high priority intent filters for protected actions. During boot, certain 591 * filter actions are protected and should never be allowed to have a high priority 592 * intent filter for them. However, there is one, and only one exception -- the 593 * setup wizard. It must be able to define a high priority intent filter for these 594 * actions to ensure there are no escapes from the wizard. We need to delay processing 595 * of these during boot as we need to look at all of the system packages in order 596 * to know which component is the setup wizard. 597 */ 598 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 599 /** 600 * Whether or not processing protected filters should be deferred. 601 */ 602 private boolean mDeferProtectedFilters = true; 603 604 /** 605 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 606 */ 607 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 608 /** 609 * Whether or not system app permissions should be promoted from install to runtime. 610 */ 611 boolean mPromoteSystemApps; 612 613 @GuardedBy("mPackages") 614 final Settings mSettings; 615 616 /** 617 * Set of package names that are currently "frozen", which means active 618 * surgery is being done on the code/data for that package. The platform 619 * will refuse to launch frozen packages to avoid race conditions. 620 * 621 * @see PackageFreezer 622 */ 623 @GuardedBy("mPackages") 624 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 625 626 final ProtectedPackages mProtectedPackages; 627 628 boolean mFirstBoot; 629 630 // System configuration read by SystemConfig. 631 final int[] mGlobalGids; 632 final SparseArray<ArraySet<String>> mSystemPermissions; 633 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 634 635 // If mac_permissions.xml was found for seinfo labeling. 636 boolean mFoundPolicyFile; 637 638 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 639 640 public static final class SharedLibraryEntry { 641 public final String path; 642 public final String apk; 643 644 SharedLibraryEntry(String _path, String _apk) { 645 path = _path; 646 apk = _apk; 647 } 648 } 649 650 // Currently known shared libraries. 651 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 652 new ArrayMap<String, SharedLibraryEntry>(); 653 654 // All available activities, for your resolving pleasure. 655 final ActivityIntentResolver mActivities = 656 new ActivityIntentResolver(); 657 658 // All available receivers, for your resolving pleasure. 659 final ActivityIntentResolver mReceivers = 660 new ActivityIntentResolver(); 661 662 // All available services, for your resolving pleasure. 663 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 664 665 // All available providers, for your resolving pleasure. 666 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 667 668 // Mapping from provider base names (first directory in content URI codePath) 669 // to the provider information. 670 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 671 new ArrayMap<String, PackageParser.Provider>(); 672 673 // Mapping from instrumentation class names to info about them. 674 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 675 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 676 677 // Mapping from permission names to info about them. 678 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 679 new ArrayMap<String, PackageParser.PermissionGroup>(); 680 681 // Packages whose data we have transfered into another package, thus 682 // should no longer exist. 683 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 684 685 // Broadcast actions that are only available to the system. 686 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 687 688 /** List of packages waiting for verification. */ 689 final SparseArray<PackageVerificationState> mPendingVerification 690 = new SparseArray<PackageVerificationState>(); 691 692 /** Set of packages associated with each app op permission. */ 693 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 694 695 final PackageInstallerService mInstallerService; 696 697 private final PackageDexOptimizer mPackageDexOptimizer; 698 699 private AtomicInteger mNextMoveId = new AtomicInteger(); 700 private final MoveCallbacks mMoveCallbacks; 701 702 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 703 704 // Cache of users who need badging. 705 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 706 707 /** Token for keys in mPendingVerification. */ 708 private int mPendingVerificationToken = 0; 709 710 volatile boolean mSystemReady; 711 volatile boolean mSafeMode; 712 volatile boolean mHasSystemUidErrors; 713 714 ApplicationInfo mAndroidApplication; 715 final ActivityInfo mResolveActivity = new ActivityInfo(); 716 final ResolveInfo mResolveInfo = new ResolveInfo(); 717 ComponentName mResolveComponentName; 718 PackageParser.Package mPlatformPackage; 719 ComponentName mCustomResolverComponentName; 720 721 boolean mResolverReplaced = false; 722 723 private final @Nullable ComponentName mIntentFilterVerifierComponent; 724 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 725 726 private int mIntentFilterVerificationToken = 0; 727 728 /** Component that knows whether or not an ephemeral application exists */ 729 final ComponentName mEphemeralResolverComponent; 730 /** The service connection to the ephemeral resolver */ 731 final EphemeralResolverConnection mEphemeralResolverConnection; 732 733 /** Component used to install ephemeral applications */ 734 final ComponentName mEphemeralInstallerComponent; 735 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 736 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 737 738 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 739 = new SparseArray<IntentFilterVerificationState>(); 740 741 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 742 743 // List of packages names to keep cached, even if they are uninstalled for all users 744 private List<String> mKeepUninstalledPackages; 745 746 private UserManagerInternal mUserManagerInternal; 747 748 private static class IFVerificationParams { 749 PackageParser.Package pkg; 750 boolean replacing; 751 int userId; 752 int verifierUid; 753 754 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 755 int _userId, int _verifierUid) { 756 pkg = _pkg; 757 replacing = _replacing; 758 userId = _userId; 759 replacing = _replacing; 760 verifierUid = _verifierUid; 761 } 762 } 763 764 private interface IntentFilterVerifier<T extends IntentFilter> { 765 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 766 T filter, String packageName); 767 void startVerifications(int userId); 768 void receiveVerificationResponse(int verificationId); 769 } 770 771 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 772 private Context mContext; 773 private ComponentName mIntentFilterVerifierComponent; 774 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 775 776 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 777 mContext = context; 778 mIntentFilterVerifierComponent = verifierComponent; 779 } 780 781 private String getDefaultScheme() { 782 return IntentFilter.SCHEME_HTTPS; 783 } 784 785 @Override 786 public void startVerifications(int userId) { 787 // Launch verifications requests 788 int count = mCurrentIntentFilterVerifications.size(); 789 for (int n=0; n<count; n++) { 790 int verificationId = mCurrentIntentFilterVerifications.get(n); 791 final IntentFilterVerificationState ivs = 792 mIntentFilterVerificationStates.get(verificationId); 793 794 String packageName = ivs.getPackageName(); 795 796 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 797 final int filterCount = filters.size(); 798 ArraySet<String> domainsSet = new ArraySet<>(); 799 for (int m=0; m<filterCount; m++) { 800 PackageParser.ActivityIntentInfo filter = filters.get(m); 801 domainsSet.addAll(filter.getHostsList()); 802 } 803 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 804 synchronized (mPackages) { 805 if (mSettings.createIntentFilterVerificationIfNeededLPw( 806 packageName, domainsList) != null) { 807 scheduleWriteSettingsLocked(); 808 } 809 } 810 sendVerificationRequest(userId, verificationId, ivs); 811 } 812 mCurrentIntentFilterVerifications.clear(); 813 } 814 815 private void sendVerificationRequest(int userId, int verificationId, 816 IntentFilterVerificationState ivs) { 817 818 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 819 verificationIntent.putExtra( 820 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 821 verificationId); 822 verificationIntent.putExtra( 823 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 824 getDefaultScheme()); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 827 ivs.getHostsString()); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 830 ivs.getPackageName()); 831 verificationIntent.setComponent(mIntentFilterVerifierComponent); 832 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 833 834 UserHandle user = new UserHandle(userId); 835 mContext.sendBroadcastAsUser(verificationIntent, user); 836 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 837 "Sending IntentFilter verification broadcast"); 838 } 839 840 public void receiveVerificationResponse(int verificationId) { 841 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 842 843 final boolean verified = ivs.isVerified(); 844 845 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 846 final int count = filters.size(); 847 if (DEBUG_DOMAIN_VERIFICATION) { 848 Slog.i(TAG, "Received verification response " + verificationId 849 + " for " + count + " filters, verified=" + verified); 850 } 851 for (int n=0; n<count; n++) { 852 PackageParser.ActivityIntentInfo filter = filters.get(n); 853 filter.setVerified(verified); 854 855 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 856 + " verified with result:" + verified + " and hosts:" 857 + ivs.getHostsString()); 858 } 859 860 mIntentFilterVerificationStates.remove(verificationId); 861 862 final String packageName = ivs.getPackageName(); 863 IntentFilterVerificationInfo ivi = null; 864 865 synchronized (mPackages) { 866 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 867 } 868 if (ivi == null) { 869 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 870 + verificationId + " packageName:" + packageName); 871 return; 872 } 873 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 874 "Updating IntentFilterVerificationInfo for package " + packageName 875 +" verificationId:" + verificationId); 876 877 synchronized (mPackages) { 878 if (verified) { 879 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 880 } else { 881 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 882 } 883 scheduleWriteSettingsLocked(); 884 885 final int userId = ivs.getUserId(); 886 if (userId != UserHandle.USER_ALL) { 887 final int userStatus = 888 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 889 890 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 891 boolean needUpdate = false; 892 893 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 894 // already been set by the User thru the Disambiguation dialog 895 switch (userStatus) { 896 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 897 if (verified) { 898 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 899 } else { 900 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 901 } 902 needUpdate = true; 903 break; 904 905 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 906 if (verified) { 907 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 908 needUpdate = true; 909 } 910 break; 911 912 default: 913 // Nothing to do 914 } 915 916 if (needUpdate) { 917 mSettings.updateIntentFilterVerificationStatusLPw( 918 packageName, updatedStatus, userId); 919 scheduleWritePackageRestrictionsLocked(userId); 920 } 921 } 922 } 923 } 924 925 @Override 926 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 927 ActivityIntentInfo filter, String packageName) { 928 if (!hasValidDomains(filter)) { 929 return false; 930 } 931 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 932 if (ivs == null) { 933 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 934 packageName); 935 } 936 if (DEBUG_DOMAIN_VERIFICATION) { 937 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 938 } 939 ivs.addFilter(filter); 940 return true; 941 } 942 943 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 944 int userId, int verificationId, String packageName) { 945 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 946 verifierUid, userId, packageName); 947 ivs.setPendingState(); 948 synchronized (mPackages) { 949 mIntentFilterVerificationStates.append(verificationId, ivs); 950 mCurrentIntentFilterVerifications.add(verificationId); 951 } 952 return ivs; 953 } 954 } 955 956 private static boolean hasValidDomains(ActivityIntentInfo filter) { 957 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 958 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 959 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 960 } 961 962 // Set of pending broadcasts for aggregating enable/disable of components. 963 static class PendingPackageBroadcasts { 964 // for each user id, a map of <package name -> components within that package> 965 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 966 967 public PendingPackageBroadcasts() { 968 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 969 } 970 971 public ArrayList<String> get(int userId, String packageName) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 return packages.get(packageName); 974 } 975 976 public void put(int userId, String packageName, ArrayList<String> components) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 packages.put(packageName, components); 979 } 980 981 public void remove(int userId, String packageName) { 982 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 983 if (packages != null) { 984 packages.remove(packageName); 985 } 986 } 987 988 public void remove(int userId) { 989 mUidMap.remove(userId); 990 } 991 992 public int userIdCount() { 993 return mUidMap.size(); 994 } 995 996 public int userIdAt(int n) { 997 return mUidMap.keyAt(n); 998 } 999 1000 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1001 return mUidMap.get(userId); 1002 } 1003 1004 public int size() { 1005 // total number of pending broadcast entries across all userIds 1006 int num = 0; 1007 for (int i = 0; i< mUidMap.size(); i++) { 1008 num += mUidMap.valueAt(i).size(); 1009 } 1010 return num; 1011 } 1012 1013 public void clear() { 1014 mUidMap.clear(); 1015 } 1016 1017 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1018 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1019 if (map == null) { 1020 map = new ArrayMap<String, ArrayList<String>>(); 1021 mUidMap.put(userId, map); 1022 } 1023 return map; 1024 } 1025 } 1026 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1027 1028 // Service Connection to remote media container service to copy 1029 // package uri's from external media onto secure containers 1030 // or internal storage. 1031 private IMediaContainerService mContainerService = null; 1032 1033 static final int SEND_PENDING_BROADCAST = 1; 1034 static final int MCS_BOUND = 3; 1035 static final int END_COPY = 4; 1036 static final int INIT_COPY = 5; 1037 static final int MCS_UNBIND = 6; 1038 static final int START_CLEANING_PACKAGE = 7; 1039 static final int FIND_INSTALL_LOC = 8; 1040 static final int POST_INSTALL = 9; 1041 static final int MCS_RECONNECT = 10; 1042 static final int MCS_GIVE_UP = 11; 1043 static final int UPDATED_MEDIA_STATUS = 12; 1044 static final int WRITE_SETTINGS = 13; 1045 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1046 static final int PACKAGE_VERIFIED = 15; 1047 static final int CHECK_PENDING_VERIFICATION = 16; 1048 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1049 static final int INTENT_FILTER_VERIFIED = 18; 1050 static final int WRITE_PACKAGE_LIST = 19; 1051 1052 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1053 1054 // Delay time in millisecs 1055 static final int BROADCAST_DELAY = 10 * 1000; 1056 1057 static UserManagerService sUserManager; 1058 1059 // Stores a list of users whose package restrictions file needs to be updated 1060 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1061 1062 final private DefaultContainerConnection mDefContainerConn = 1063 new DefaultContainerConnection(); 1064 class DefaultContainerConnection implements ServiceConnection { 1065 public void onServiceConnected(ComponentName name, IBinder service) { 1066 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1067 IMediaContainerService imcs = 1068 IMediaContainerService.Stub.asInterface(service); 1069 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1070 } 1071 1072 public void onServiceDisconnected(ComponentName name) { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1074 } 1075 } 1076 1077 // Recordkeeping of restore-after-install operations that are currently in flight 1078 // between the Package Manager and the Backup Manager 1079 static class PostInstallData { 1080 public InstallArgs args; 1081 public PackageInstalledInfo res; 1082 1083 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1084 args = _a; 1085 res = _r; 1086 } 1087 } 1088 1089 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1090 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1091 1092 // XML tags for backup/restore of various bits of state 1093 private static final String TAG_PREFERRED_BACKUP = "pa"; 1094 private static final String TAG_DEFAULT_APPS = "da"; 1095 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1096 1097 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1098 private static final String TAG_ALL_GRANTS = "rt-grants"; 1099 private static final String TAG_GRANT = "grant"; 1100 private static final String ATTR_PACKAGE_NAME = "pkg"; 1101 1102 private static final String TAG_PERMISSION = "perm"; 1103 private static final String ATTR_PERMISSION_NAME = "name"; 1104 private static final String ATTR_IS_GRANTED = "g"; 1105 private static final String ATTR_USER_SET = "set"; 1106 private static final String ATTR_USER_FIXED = "fixed"; 1107 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1108 1109 // System/policy permission grants are not backed up 1110 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1111 FLAG_PERMISSION_POLICY_FIXED 1112 | FLAG_PERMISSION_SYSTEM_FIXED 1113 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1114 1115 // And we back up these user-adjusted states 1116 private static final int USER_RUNTIME_GRANT_MASK = 1117 FLAG_PERMISSION_USER_SET 1118 | FLAG_PERMISSION_USER_FIXED 1119 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1120 1121 final @Nullable String mRequiredVerifierPackage; 1122 final @NonNull String mRequiredInstallerPackage; 1123 final @NonNull String mRequiredUninstallerPackage; 1124 final @Nullable String mSetupWizardPackage; 1125 final @NonNull String mServicesSystemSharedLibraryPackageName; 1126 final @NonNull String mSharedSystemSharedLibraryPackageName; 1127 1128 private final PackageUsage mPackageUsage = new PackageUsage(); 1129 private final CompilerStats mCompilerStats = new CompilerStats(); 1130 1131 class PackageHandler extends Handler { 1132 private boolean mBound = false; 1133 final ArrayList<HandlerParams> mPendingInstalls = 1134 new ArrayList<HandlerParams>(); 1135 1136 private boolean connectToService() { 1137 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1138 " DefaultContainerService"); 1139 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1140 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1141 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1142 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1143 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1144 mBound = true; 1145 return true; 1146 } 1147 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1148 return false; 1149 } 1150 1151 private void disconnectService() { 1152 mContainerService = null; 1153 mBound = false; 1154 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1155 mContext.unbindService(mDefContainerConn); 1156 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1157 } 1158 1159 PackageHandler(Looper looper) { 1160 super(looper); 1161 } 1162 1163 public void handleMessage(Message msg) { 1164 try { 1165 doHandleMessage(msg); 1166 } finally { 1167 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1168 } 1169 } 1170 1171 void doHandleMessage(Message msg) { 1172 switch (msg.what) { 1173 case INIT_COPY: { 1174 HandlerParams params = (HandlerParams) msg.obj; 1175 int idx = mPendingInstalls.size(); 1176 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1177 // If a bind was already initiated we dont really 1178 // need to do anything. The pending install 1179 // will be processed later on. 1180 if (!mBound) { 1181 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1182 System.identityHashCode(mHandler)); 1183 // If this is the only one pending we might 1184 // have to bind to the service again. 1185 if (!connectToService()) { 1186 Slog.e(TAG, "Failed to bind to media container service"); 1187 params.serviceError(); 1188 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1189 System.identityHashCode(mHandler)); 1190 if (params.traceMethod != null) { 1191 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1192 params.traceCookie); 1193 } 1194 return; 1195 } else { 1196 // Once we bind to the service, the first 1197 // pending request will be processed. 1198 mPendingInstalls.add(idx, params); 1199 } 1200 } else { 1201 mPendingInstalls.add(idx, params); 1202 // Already bound to the service. Just make 1203 // sure we trigger off processing the first request. 1204 if (idx == 0) { 1205 mHandler.sendEmptyMessage(MCS_BOUND); 1206 } 1207 } 1208 break; 1209 } 1210 case MCS_BOUND: { 1211 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1212 if (msg.obj != null) { 1213 mContainerService = (IMediaContainerService) msg.obj; 1214 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1215 System.identityHashCode(mHandler)); 1216 } 1217 if (mContainerService == null) { 1218 if (!mBound) { 1219 // Something seriously wrong since we are not bound and we are not 1220 // waiting for connection. Bail out. 1221 Slog.e(TAG, "Cannot bind to media container service"); 1222 for (HandlerParams params : mPendingInstalls) { 1223 // Indicate service bind error 1224 params.serviceError(); 1225 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1226 System.identityHashCode(params)); 1227 if (params.traceMethod != null) { 1228 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1229 params.traceMethod, params.traceCookie); 1230 } 1231 return; 1232 } 1233 mPendingInstalls.clear(); 1234 } else { 1235 Slog.w(TAG, "Waiting to connect to media container service"); 1236 } 1237 } else if (mPendingInstalls.size() > 0) { 1238 HandlerParams params = mPendingInstalls.get(0); 1239 if (params != null) { 1240 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1241 System.identityHashCode(params)); 1242 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1243 if (params.startCopy()) { 1244 // We are done... look for more work or to 1245 // go idle. 1246 if (DEBUG_SD_INSTALL) Log.i(TAG, 1247 "Checking for more work or unbind..."); 1248 // Delete pending install 1249 if (mPendingInstalls.size() > 0) { 1250 mPendingInstalls.remove(0); 1251 } 1252 if (mPendingInstalls.size() == 0) { 1253 if (mBound) { 1254 if (DEBUG_SD_INSTALL) Log.i(TAG, 1255 "Posting delayed MCS_UNBIND"); 1256 removeMessages(MCS_UNBIND); 1257 Message ubmsg = obtainMessage(MCS_UNBIND); 1258 // Unbind after a little delay, to avoid 1259 // continual thrashing. 1260 sendMessageDelayed(ubmsg, 10000); 1261 } 1262 } else { 1263 // There are more pending requests in queue. 1264 // Just post MCS_BOUND message to trigger processing 1265 // of next pending install. 1266 if (DEBUG_SD_INSTALL) Log.i(TAG, 1267 "Posting MCS_BOUND for next work"); 1268 mHandler.sendEmptyMessage(MCS_BOUND); 1269 } 1270 } 1271 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1272 } 1273 } else { 1274 // Should never happen ideally. 1275 Slog.w(TAG, "Empty queue"); 1276 } 1277 break; 1278 } 1279 case MCS_RECONNECT: { 1280 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1281 if (mPendingInstalls.size() > 0) { 1282 if (mBound) { 1283 disconnectService(); 1284 } 1285 if (!connectToService()) { 1286 Slog.e(TAG, "Failed to bind to media container service"); 1287 for (HandlerParams params : mPendingInstalls) { 1288 // Indicate service bind error 1289 params.serviceError(); 1290 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1291 System.identityHashCode(params)); 1292 } 1293 mPendingInstalls.clear(); 1294 } 1295 } 1296 break; 1297 } 1298 case MCS_UNBIND: { 1299 // If there is no actual work left, then time to unbind. 1300 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1301 1302 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1303 if (mBound) { 1304 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1305 1306 disconnectService(); 1307 } 1308 } else if (mPendingInstalls.size() > 0) { 1309 // There are more pending requests in queue. 1310 // Just post MCS_BOUND message to trigger processing 1311 // of next pending install. 1312 mHandler.sendEmptyMessage(MCS_BOUND); 1313 } 1314 1315 break; 1316 } 1317 case MCS_GIVE_UP: { 1318 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1319 HandlerParams params = mPendingInstalls.remove(0); 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 break; 1323 } 1324 case SEND_PENDING_BROADCAST: { 1325 String packages[]; 1326 ArrayList<String> components[]; 1327 int size = 0; 1328 int uids[]; 1329 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1330 synchronized (mPackages) { 1331 if (mPendingBroadcasts == null) { 1332 return; 1333 } 1334 size = mPendingBroadcasts.size(); 1335 if (size <= 0) { 1336 // Nothing to be done. Just return 1337 return; 1338 } 1339 packages = new String[size]; 1340 components = new ArrayList[size]; 1341 uids = new int[size]; 1342 int i = 0; // filling out the above arrays 1343 1344 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1345 int packageUserId = mPendingBroadcasts.userIdAt(n); 1346 Iterator<Map.Entry<String, ArrayList<String>>> it 1347 = mPendingBroadcasts.packagesForUserId(packageUserId) 1348 .entrySet().iterator(); 1349 while (it.hasNext() && i < size) { 1350 Map.Entry<String, ArrayList<String>> ent = it.next(); 1351 packages[i] = ent.getKey(); 1352 components[i] = ent.getValue(); 1353 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1354 uids[i] = (ps != null) 1355 ? UserHandle.getUid(packageUserId, ps.appId) 1356 : -1; 1357 i++; 1358 } 1359 } 1360 size = i; 1361 mPendingBroadcasts.clear(); 1362 } 1363 // Send broadcasts 1364 for (int i = 0; i < size; i++) { 1365 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1366 } 1367 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1368 break; 1369 } 1370 case START_CLEANING_PACKAGE: { 1371 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1372 final String packageName = (String)msg.obj; 1373 final int userId = msg.arg1; 1374 final boolean andCode = msg.arg2 != 0; 1375 synchronized (mPackages) { 1376 if (userId == UserHandle.USER_ALL) { 1377 int[] users = sUserManager.getUserIds(); 1378 for (int user : users) { 1379 mSettings.addPackageToCleanLPw( 1380 new PackageCleanItem(user, packageName, andCode)); 1381 } 1382 } else { 1383 mSettings.addPackageToCleanLPw( 1384 new PackageCleanItem(userId, packageName, andCode)); 1385 } 1386 } 1387 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1388 startCleaningPackages(); 1389 } break; 1390 case POST_INSTALL: { 1391 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1392 1393 PostInstallData data = mRunningInstalls.get(msg.arg1); 1394 final boolean didRestore = (msg.arg2 != 0); 1395 mRunningInstalls.delete(msg.arg1); 1396 1397 if (data != null) { 1398 InstallArgs args = data.args; 1399 PackageInstalledInfo parentRes = data.res; 1400 1401 final boolean grantPermissions = (args.installFlags 1402 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1403 final boolean killApp = (args.installFlags 1404 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1405 final String[] grantedPermissions = args.installGrantPermissions; 1406 1407 // Handle the parent package 1408 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1409 grantedPermissions, didRestore, args.installerPackageName, 1410 args.observer); 1411 1412 // Handle the child packages 1413 final int childCount = (parentRes.addedChildPackages != null) 1414 ? parentRes.addedChildPackages.size() : 0; 1415 for (int i = 0; i < childCount; i++) { 1416 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1417 handlePackagePostInstall(childRes, grantPermissions, killApp, 1418 grantedPermissions, false, args.installerPackageName, 1419 args.observer); 1420 } 1421 1422 // Log tracing if needed 1423 if (args.traceMethod != null) { 1424 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1425 args.traceCookie); 1426 } 1427 } else { 1428 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1429 } 1430 1431 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1432 } break; 1433 case UPDATED_MEDIA_STATUS: { 1434 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1435 boolean reportStatus = msg.arg1 == 1; 1436 boolean doGc = msg.arg2 == 1; 1437 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1438 if (doGc) { 1439 // Force a gc to clear up stale containers. 1440 Runtime.getRuntime().gc(); 1441 } 1442 if (msg.obj != null) { 1443 @SuppressWarnings("unchecked") 1444 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1445 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1446 // Unload containers 1447 unloadAllContainers(args); 1448 } 1449 if (reportStatus) { 1450 try { 1451 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1452 PackageHelper.getMountService().finishMediaUpdate(); 1453 } catch (RemoteException e) { 1454 Log.e(TAG, "MountService not running?"); 1455 } 1456 } 1457 } break; 1458 case WRITE_SETTINGS: { 1459 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1460 synchronized (mPackages) { 1461 removeMessages(WRITE_SETTINGS); 1462 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1463 mSettings.writeLPr(); 1464 mDirtyUsers.clear(); 1465 } 1466 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1467 } break; 1468 case WRITE_PACKAGE_RESTRICTIONS: { 1469 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1470 synchronized (mPackages) { 1471 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1472 for (int userId : mDirtyUsers) { 1473 mSettings.writePackageRestrictionsLPr(userId); 1474 } 1475 mDirtyUsers.clear(); 1476 } 1477 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1478 } break; 1479 case WRITE_PACKAGE_LIST: { 1480 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1481 synchronized (mPackages) { 1482 removeMessages(WRITE_PACKAGE_LIST); 1483 mSettings.writePackageListLPr(msg.arg1); 1484 } 1485 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1486 } break; 1487 case CHECK_PENDING_VERIFICATION: { 1488 final int verificationId = msg.arg1; 1489 final PackageVerificationState state = mPendingVerification.get(verificationId); 1490 1491 if ((state != null) && !state.timeoutExtended()) { 1492 final InstallArgs args = state.getInstallArgs(); 1493 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1494 1495 Slog.i(TAG, "Verification timed out for " + originUri); 1496 mPendingVerification.remove(verificationId); 1497 1498 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1499 1500 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1501 Slog.i(TAG, "Continuing with installation of " + originUri); 1502 state.setVerifierResponse(Binder.getCallingUid(), 1503 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1504 broadcastPackageVerified(verificationId, originUri, 1505 PackageManager.VERIFICATION_ALLOW, 1506 state.getInstallArgs().getUser()); 1507 try { 1508 ret = args.copyApk(mContainerService, true); 1509 } catch (RemoteException e) { 1510 Slog.e(TAG, "Could not contact the ContainerService"); 1511 } 1512 } else { 1513 broadcastPackageVerified(verificationId, originUri, 1514 PackageManager.VERIFICATION_REJECT, 1515 state.getInstallArgs().getUser()); 1516 } 1517 1518 Trace.asyncTraceEnd( 1519 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1520 1521 processPendingInstall(args, ret); 1522 mHandler.sendEmptyMessage(MCS_UNBIND); 1523 } 1524 break; 1525 } 1526 case PACKAGE_VERIFIED: { 1527 final int verificationId = msg.arg1; 1528 1529 final PackageVerificationState state = mPendingVerification.get(verificationId); 1530 if (state == null) { 1531 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1532 break; 1533 } 1534 1535 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1536 1537 state.setVerifierResponse(response.callerUid, response.code); 1538 1539 if (state.isVerificationComplete()) { 1540 mPendingVerification.remove(verificationId); 1541 1542 final InstallArgs args = state.getInstallArgs(); 1543 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1544 1545 int ret; 1546 if (state.isInstallAllowed()) { 1547 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1548 broadcastPackageVerified(verificationId, originUri, 1549 response.code, state.getInstallArgs().getUser()); 1550 try { 1551 ret = args.copyApk(mContainerService, true); 1552 } catch (RemoteException e) { 1553 Slog.e(TAG, "Could not contact the ContainerService"); 1554 } 1555 } else { 1556 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1557 } 1558 1559 Trace.asyncTraceEnd( 1560 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1561 1562 processPendingInstall(args, ret); 1563 mHandler.sendEmptyMessage(MCS_UNBIND); 1564 } 1565 1566 break; 1567 } 1568 case START_INTENT_FILTER_VERIFICATIONS: { 1569 IFVerificationParams params = (IFVerificationParams) msg.obj; 1570 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1571 params.replacing, params.pkg); 1572 break; 1573 } 1574 case INTENT_FILTER_VERIFIED: { 1575 final int verificationId = msg.arg1; 1576 1577 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1578 verificationId); 1579 if (state == null) { 1580 Slog.w(TAG, "Invalid IntentFilter verification token " 1581 + verificationId + " received"); 1582 break; 1583 } 1584 1585 final int userId = state.getUserId(); 1586 1587 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1588 "Processing IntentFilter verification with token:" 1589 + verificationId + " and userId:" + userId); 1590 1591 final IntentFilterVerificationResponse response = 1592 (IntentFilterVerificationResponse) msg.obj; 1593 1594 state.setVerifierResponse(response.callerUid, response.code); 1595 1596 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1597 "IntentFilter verification with token:" + verificationId 1598 + " and userId:" + userId 1599 + " is settings verifier response with response code:" 1600 + response.code); 1601 1602 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1603 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1604 + response.getFailedDomainsString()); 1605 } 1606 1607 if (state.isVerificationComplete()) { 1608 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1609 } else { 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1611 "IntentFilter verification with token:" + verificationId 1612 + " was not said to be complete"); 1613 } 1614 1615 break; 1616 } 1617 } 1618 } 1619 } 1620 1621 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1622 boolean killApp, String[] grantedPermissions, 1623 boolean launchedForRestore, String installerPackage, 1624 IPackageInstallObserver2 installObserver) { 1625 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1626 // Send the removed broadcasts 1627 if (res.removedInfo != null) { 1628 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1629 } 1630 1631 // Now that we successfully installed the package, grant runtime 1632 // permissions if requested before broadcasting the install. 1633 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1634 >= Build.VERSION_CODES.M) { 1635 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1636 } 1637 1638 final boolean update = res.removedInfo != null 1639 && res.removedInfo.removedPackage != null; 1640 1641 // If this is the first time we have child packages for a disabled privileged 1642 // app that had no children, we grant requested runtime permissions to the new 1643 // children if the parent on the system image had them already granted. 1644 if (res.pkg.parentPackage != null) { 1645 synchronized (mPackages) { 1646 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1647 } 1648 } 1649 1650 synchronized (mPackages) { 1651 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1652 } 1653 1654 final String packageName = res.pkg.applicationInfo.packageName; 1655 Bundle extras = new Bundle(1); 1656 extras.putInt(Intent.EXTRA_UID, res.uid); 1657 1658 // Determine the set of users who are adding this package for 1659 // the first time vs. those who are seeing an update. 1660 int[] firstUsers = EMPTY_INT_ARRAY; 1661 int[] updateUsers = EMPTY_INT_ARRAY; 1662 if (res.origUsers == null || res.origUsers.length == 0) { 1663 firstUsers = res.newUsers; 1664 } else { 1665 for (int newUser : res.newUsers) { 1666 boolean isNew = true; 1667 for (int origUser : res.origUsers) { 1668 if (origUser == newUser) { 1669 isNew = false; 1670 break; 1671 } 1672 } 1673 if (isNew) { 1674 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1675 } else { 1676 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1677 } 1678 } 1679 } 1680 1681 // Send installed broadcasts if the install/update is not ephemeral 1682 if (!isEphemeral(res.pkg)) { 1683 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1684 1685 // Send added for users that see the package for the first time 1686 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1687 extras, 0 /*flags*/, null /*targetPackage*/, 1688 null /*finishedReceiver*/, firstUsers); 1689 1690 // Send added for users that don't see the package for the first time 1691 if (update) { 1692 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1693 } 1694 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1695 extras, 0 /*flags*/, null /*targetPackage*/, 1696 null /*finishedReceiver*/, updateUsers); 1697 1698 // Send replaced for users that don't see the package for the first time 1699 if (update) { 1700 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1701 packageName, extras, 0 /*flags*/, 1702 null /*targetPackage*/, null /*finishedReceiver*/, 1703 updateUsers); 1704 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1705 null /*package*/, null /*extras*/, 0 /*flags*/, 1706 packageName /*targetPackage*/, 1707 null /*finishedReceiver*/, updateUsers); 1708 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1709 // First-install and we did a restore, so we're responsible for the 1710 // first-launch broadcast. 1711 if (DEBUG_BACKUP) { 1712 Slog.i(TAG, "Post-restore of " + packageName 1713 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1714 } 1715 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1716 } 1717 1718 // Send broadcast package appeared if forward locked/external for all users 1719 // treat asec-hosted packages like removable media on upgrade 1720 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1721 if (DEBUG_INSTALL) { 1722 Slog.i(TAG, "upgrading pkg " + res.pkg 1723 + " is ASEC-hosted -> AVAILABLE"); 1724 } 1725 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1726 ArrayList<String> pkgList = new ArrayList<>(1); 1727 pkgList.add(packageName); 1728 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1729 } 1730 } 1731 1732 // Work that needs to happen on first install within each user 1733 if (firstUsers != null && firstUsers.length > 0) { 1734 synchronized (mPackages) { 1735 for (int userId : firstUsers) { 1736 // If this app is a browser and it's newly-installed for some 1737 // users, clear any default-browser state in those users. The 1738 // app's nature doesn't depend on the user, so we can just check 1739 // its browser nature in any user and generalize. 1740 if (packageIsBrowser(packageName, userId)) { 1741 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1742 } 1743 1744 // We may also need to apply pending (restored) runtime 1745 // permission grants within these users. 1746 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1747 } 1748 } 1749 } 1750 1751 // Log current value of "unknown sources" setting 1752 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1753 getUnknownSourcesSettings()); 1754 1755 // Force a gc to clear up things 1756 Runtime.getRuntime().gc(); 1757 1758 // Remove the replaced package's older resources safely now 1759 // We delete after a gc for applications on sdcard. 1760 if (res.removedInfo != null && res.removedInfo.args != null) { 1761 synchronized (mInstallLock) { 1762 res.removedInfo.args.doPostDeleteLI(true); 1763 } 1764 } 1765 } 1766 1767 // If someone is watching installs - notify them 1768 if (installObserver != null) { 1769 try { 1770 Bundle extras = extrasForInstallResult(res); 1771 installObserver.onPackageInstalled(res.name, res.returnCode, 1772 res.returnMsg, extras); 1773 } catch (RemoteException e) { 1774 Slog.i(TAG, "Observer no longer exists."); 1775 } 1776 } 1777 } 1778 1779 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1780 PackageParser.Package pkg) { 1781 if (pkg.parentPackage == null) { 1782 return; 1783 } 1784 if (pkg.requestedPermissions == null) { 1785 return; 1786 } 1787 final PackageSetting disabledSysParentPs = mSettings 1788 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1789 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1790 || !disabledSysParentPs.isPrivileged() 1791 || (disabledSysParentPs.childPackageNames != null 1792 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1793 return; 1794 } 1795 final int[] allUserIds = sUserManager.getUserIds(); 1796 final int permCount = pkg.requestedPermissions.size(); 1797 for (int i = 0; i < permCount; i++) { 1798 String permission = pkg.requestedPermissions.get(i); 1799 BasePermission bp = mSettings.mPermissions.get(permission); 1800 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1801 continue; 1802 } 1803 for (int userId : allUserIds) { 1804 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1805 permission, userId)) { 1806 grantRuntimePermission(pkg.packageName, permission, userId); 1807 } 1808 } 1809 } 1810 } 1811 1812 private StorageEventListener mStorageListener = new StorageEventListener() { 1813 @Override 1814 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1815 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1816 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1817 final String volumeUuid = vol.getFsUuid(); 1818 1819 // Clean up any users or apps that were removed or recreated 1820 // while this volume was missing 1821 reconcileUsers(volumeUuid); 1822 reconcileApps(volumeUuid); 1823 1824 // Clean up any install sessions that expired or were 1825 // cancelled while this volume was missing 1826 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1827 1828 loadPrivatePackages(vol); 1829 1830 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1831 unloadPrivatePackages(vol); 1832 } 1833 } 1834 1835 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1836 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1837 updateExternalMediaStatus(true, false); 1838 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1839 updateExternalMediaStatus(false, false); 1840 } 1841 } 1842 } 1843 1844 @Override 1845 public void onVolumeForgotten(String fsUuid) { 1846 if (TextUtils.isEmpty(fsUuid)) { 1847 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1848 return; 1849 } 1850 1851 // Remove any apps installed on the forgotten volume 1852 synchronized (mPackages) { 1853 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1854 for (PackageSetting ps : packages) { 1855 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1856 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1857 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1858 } 1859 1860 mSettings.onVolumeForgotten(fsUuid); 1861 mSettings.writeLPr(); 1862 } 1863 } 1864 }; 1865 1866 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1867 String[] grantedPermissions) { 1868 for (int userId : userIds) { 1869 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1870 } 1871 1872 // We could have touched GID membership, so flush out packages.list 1873 synchronized (mPackages) { 1874 mSettings.writePackageListLPr(); 1875 } 1876 } 1877 1878 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1879 String[] grantedPermissions) { 1880 SettingBase sb = (SettingBase) pkg.mExtras; 1881 if (sb == null) { 1882 return; 1883 } 1884 1885 PermissionsState permissionsState = sb.getPermissionsState(); 1886 1887 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1888 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1889 1890 for (String permission : pkg.requestedPermissions) { 1891 final BasePermission bp; 1892 synchronized (mPackages) { 1893 bp = mSettings.mPermissions.get(permission); 1894 } 1895 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1896 && (grantedPermissions == null 1897 || ArrayUtils.contains(grantedPermissions, permission))) { 1898 final int flags = permissionsState.getPermissionFlags(permission, userId); 1899 // Installer cannot change immutable permissions. 1900 if ((flags & immutableFlags) == 0) { 1901 grantRuntimePermission(pkg.packageName, permission, userId); 1902 } 1903 } 1904 } 1905 } 1906 1907 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1908 Bundle extras = null; 1909 switch (res.returnCode) { 1910 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1911 extras = new Bundle(); 1912 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1913 res.origPermission); 1914 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1915 res.origPackage); 1916 break; 1917 } 1918 case PackageManager.INSTALL_SUCCEEDED: { 1919 extras = new Bundle(); 1920 extras.putBoolean(Intent.EXTRA_REPLACING, 1921 res.removedInfo != null && res.removedInfo.removedPackage != null); 1922 break; 1923 } 1924 } 1925 return extras; 1926 } 1927 1928 void scheduleWriteSettingsLocked() { 1929 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1930 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1931 } 1932 } 1933 1934 void scheduleWritePackageListLocked(int userId) { 1935 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 1936 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 1937 msg.arg1 = userId; 1938 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 1939 } 1940 } 1941 1942 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1943 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1944 scheduleWritePackageRestrictionsLocked(userId); 1945 } 1946 1947 void scheduleWritePackageRestrictionsLocked(int userId) { 1948 final int[] userIds = (userId == UserHandle.USER_ALL) 1949 ? sUserManager.getUserIds() : new int[]{userId}; 1950 for (int nextUserId : userIds) { 1951 if (!sUserManager.exists(nextUserId)) return; 1952 mDirtyUsers.add(nextUserId); 1953 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1954 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1955 } 1956 } 1957 } 1958 1959 public static PackageManagerService main(Context context, Installer installer, 1960 boolean factoryTest, boolean onlyCore) { 1961 // Self-check for initial settings. 1962 PackageManagerServiceCompilerMapping.checkProperties(); 1963 1964 PackageManagerService m = new PackageManagerService(context, installer, 1965 factoryTest, onlyCore); 1966 m.enableSystemUserPackages(); 1967 ServiceManager.addService("package", m); 1968 return m; 1969 } 1970 1971 private void enableSystemUserPackages() { 1972 if (!UserManager.isSplitSystemUser()) { 1973 return; 1974 } 1975 // For system user, enable apps based on the following conditions: 1976 // - app is whitelisted or belong to one of these groups: 1977 // -- system app which has no launcher icons 1978 // -- system app which has INTERACT_ACROSS_USERS permission 1979 // -- system IME app 1980 // - app is not in the blacklist 1981 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1982 Set<String> enableApps = new ArraySet<>(); 1983 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1984 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1985 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1986 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1987 enableApps.addAll(wlApps); 1988 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1989 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1990 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1991 enableApps.removeAll(blApps); 1992 Log.i(TAG, "Applications installed for system user: " + enableApps); 1993 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1994 UserHandle.SYSTEM); 1995 final int allAppsSize = allAps.size(); 1996 synchronized (mPackages) { 1997 for (int i = 0; i < allAppsSize; i++) { 1998 String pName = allAps.get(i); 1999 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2000 // Should not happen, but we shouldn't be failing if it does 2001 if (pkgSetting == null) { 2002 continue; 2003 } 2004 boolean install = enableApps.contains(pName); 2005 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2006 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2007 + " for system user"); 2008 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2009 } 2010 } 2011 } 2012 } 2013 2014 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2015 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2016 Context.DISPLAY_SERVICE); 2017 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2018 } 2019 2020 /** 2021 * Requests that files preopted on a secondary system partition be copied to the data partition 2022 * if possible. Note that the actual copying of the files is accomplished by init for security 2023 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2024 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2025 */ 2026 private static void requestCopyPreoptedFiles() { 2027 final int WAIT_TIME_MS = 100; 2028 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2029 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2030 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2031 // We will wait for up to 100 seconds. 2032 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2033 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2034 try { 2035 Thread.sleep(WAIT_TIME_MS); 2036 } catch (InterruptedException e) { 2037 // Do nothing 2038 } 2039 if (SystemClock.uptimeMillis() > timeEnd) { 2040 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2041 Slog.wtf(TAG, "cppreopt did not finish!"); 2042 break; 2043 } 2044 } 2045 } 2046 } 2047 2048 public PackageManagerService(Context context, Installer installer, 2049 boolean factoryTest, boolean onlyCore) { 2050 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2051 SystemClock.uptimeMillis()); 2052 2053 if (mSdkVersion <= 0) { 2054 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2055 } 2056 2057 mContext = context; 2058 mFactoryTest = factoryTest; 2059 mOnlyCore = onlyCore; 2060 mMetrics = new DisplayMetrics(); 2061 mSettings = new Settings(mPackages); 2062 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2063 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2064 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2065 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2066 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2067 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2068 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2069 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2070 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2071 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2072 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2073 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2074 2075 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2076 if (separateProcesses != null && separateProcesses.length() > 0) { 2077 if ("*".equals(separateProcesses)) { 2078 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2079 mSeparateProcesses = null; 2080 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2081 } else { 2082 mDefParseFlags = 0; 2083 mSeparateProcesses = separateProcesses.split(","); 2084 Slog.w(TAG, "Running with debug.separate_processes: " 2085 + separateProcesses); 2086 } 2087 } else { 2088 mDefParseFlags = 0; 2089 mSeparateProcesses = null; 2090 } 2091 2092 mInstaller = installer; 2093 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2094 "*dexopt*"); 2095 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2096 2097 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2098 FgThread.get().getLooper()); 2099 2100 getDefaultDisplayMetrics(context, mMetrics); 2101 2102 SystemConfig systemConfig = SystemConfig.getInstance(); 2103 mGlobalGids = systemConfig.getGlobalGids(); 2104 mSystemPermissions = systemConfig.getSystemPermissions(); 2105 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2106 2107 mProtectedPackages = new ProtectedPackages(mContext); 2108 2109 synchronized (mInstallLock) { 2110 // writer 2111 synchronized (mPackages) { 2112 mHandlerThread = new ServiceThread(TAG, 2113 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2114 mHandlerThread.start(); 2115 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2116 mProcessLoggingHandler = new ProcessLoggingHandler(); 2117 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2118 2119 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2120 2121 File dataDir = Environment.getDataDirectory(); 2122 mAppInstallDir = new File(dataDir, "app"); 2123 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2124 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2125 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2126 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2127 2128 sUserManager = new UserManagerService(context, this, mPackages); 2129 2130 // Propagate permission configuration in to package manager. 2131 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2132 = systemConfig.getPermissions(); 2133 for (int i=0; i<permConfig.size(); i++) { 2134 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2135 BasePermission bp = mSettings.mPermissions.get(perm.name); 2136 if (bp == null) { 2137 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2138 mSettings.mPermissions.put(perm.name, bp); 2139 } 2140 if (perm.gids != null) { 2141 bp.setGids(perm.gids, perm.perUser); 2142 } 2143 } 2144 2145 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2146 for (int i=0; i<libConfig.size(); i++) { 2147 mSharedLibraries.put(libConfig.keyAt(i), 2148 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2149 } 2150 2151 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2152 2153 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2154 2155 if (mFirstBoot) { 2156 requestCopyPreoptedFiles(); 2157 } 2158 2159 String customResolverActivity = Resources.getSystem().getString( 2160 R.string.config_customResolverActivity); 2161 if (TextUtils.isEmpty(customResolverActivity)) { 2162 customResolverActivity = null; 2163 } else { 2164 mCustomResolverComponentName = ComponentName.unflattenFromString( 2165 customResolverActivity); 2166 } 2167 2168 long startTime = SystemClock.uptimeMillis(); 2169 2170 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2171 startTime); 2172 2173 // Set flag to monitor and not change apk file paths when 2174 // scanning install directories. 2175 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2176 2177 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2178 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2179 2180 if (bootClassPath == null) { 2181 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2182 } 2183 2184 if (systemServerClassPath == null) { 2185 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2186 } 2187 2188 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2189 final String[] dexCodeInstructionSets = 2190 getDexCodeInstructionSets( 2191 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2192 2193 /** 2194 * Ensure all external libraries have had dexopt run on them. 2195 */ 2196 if (mSharedLibraries.size() > 0) { 2197 // NOTE: For now, we're compiling these system "shared libraries" 2198 // (and framework jars) into all available architectures. It's possible 2199 // to compile them only when we come across an app that uses them (there's 2200 // already logic for that in scanPackageLI) but that adds some complexity. 2201 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2202 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2203 final String lib = libEntry.path; 2204 if (lib == null) { 2205 continue; 2206 } 2207 2208 try { 2209 // Shared libraries do not have profiles so we perform a full 2210 // AOT compilation (if needed). 2211 int dexoptNeeded = DexFile.getDexOptNeeded( 2212 lib, dexCodeInstructionSet, 2213 getCompilerFilterForReason(REASON_SHARED_APK), 2214 false /* newProfile */); 2215 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2216 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2217 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2218 getCompilerFilterForReason(REASON_SHARED_APK), 2219 StorageManager.UUID_PRIVATE_INTERNAL, 2220 SKIP_SHARED_LIBRARY_CHECK); 2221 } 2222 } catch (FileNotFoundException e) { 2223 Slog.w(TAG, "Library not found: " + lib); 2224 } catch (IOException | InstallerException e) { 2225 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2226 + e.getMessage()); 2227 } 2228 } 2229 } 2230 } 2231 2232 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2233 2234 final VersionInfo ver = mSettings.getInternalVersion(); 2235 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2236 2237 // when upgrading from pre-M, promote system app permissions from install to runtime 2238 mPromoteSystemApps = 2239 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2240 2241 // When upgrading from pre-N, we need to handle package extraction like first boot, 2242 // as there is no profiling data available. 2243 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2244 2245 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2246 2247 // save off the names of pre-existing system packages prior to scanning; we don't 2248 // want to automatically grant runtime permissions for new system apps 2249 if (mPromoteSystemApps) { 2250 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2251 while (pkgSettingIter.hasNext()) { 2252 PackageSetting ps = pkgSettingIter.next(); 2253 if (isSystemApp(ps)) { 2254 mExistingSystemPackages.add(ps.name); 2255 } 2256 } 2257 } 2258 2259 // Collect vendor overlay packages. 2260 // (Do this before scanning any apps.) 2261 // For security and version matching reason, only consider 2262 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2263 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2264 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2265 | PackageParser.PARSE_IS_SYSTEM 2266 | PackageParser.PARSE_IS_SYSTEM_DIR 2267 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2268 2269 // Find base frameworks (resource packages without code). 2270 scanDirTracedLI(frameworkDir, mDefParseFlags 2271 | PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR 2273 | PackageParser.PARSE_IS_PRIVILEGED, 2274 scanFlags | SCAN_NO_DEX, 0); 2275 2276 // Collected privileged system packages. 2277 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2278 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2279 | PackageParser.PARSE_IS_SYSTEM 2280 | PackageParser.PARSE_IS_SYSTEM_DIR 2281 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2282 2283 // Collect ordinary system packages. 2284 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2285 scanDirTracedLI(systemAppDir, mDefParseFlags 2286 | PackageParser.PARSE_IS_SYSTEM 2287 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2288 2289 // Collect all vendor packages. 2290 File vendorAppDir = new File("/vendor/app"); 2291 try { 2292 vendorAppDir = vendorAppDir.getCanonicalFile(); 2293 } catch (IOException e) { 2294 // failed to look up canonical path, continue with original one 2295 } 2296 scanDirTracedLI(vendorAppDir, mDefParseFlags 2297 | PackageParser.PARSE_IS_SYSTEM 2298 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2299 2300 // Collect all OEM packages. 2301 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2302 scanDirTracedLI(oemAppDir, mDefParseFlags 2303 | PackageParser.PARSE_IS_SYSTEM 2304 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2305 2306 // Prune any system packages that no longer exist. 2307 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2308 if (!mOnlyCore) { 2309 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2310 while (psit.hasNext()) { 2311 PackageSetting ps = psit.next(); 2312 2313 /* 2314 * If this is not a system app, it can't be a 2315 * disable system app. 2316 */ 2317 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2318 continue; 2319 } 2320 2321 /* 2322 * If the package is scanned, it's not erased. 2323 */ 2324 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2325 if (scannedPkg != null) { 2326 /* 2327 * If the system app is both scanned and in the 2328 * disabled packages list, then it must have been 2329 * added via OTA. Remove it from the currently 2330 * scanned package so the previously user-installed 2331 * application can be scanned. 2332 */ 2333 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2334 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2335 + ps.name + "; removing system app. Last known codePath=" 2336 + ps.codePathString + ", installStatus=" + ps.installStatus 2337 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2338 + scannedPkg.mVersionCode); 2339 removePackageLI(scannedPkg, true); 2340 mExpectingBetter.put(ps.name, ps.codePath); 2341 } 2342 2343 continue; 2344 } 2345 2346 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2347 psit.remove(); 2348 logCriticalInfo(Log.WARN, "System package " + ps.name 2349 + " no longer exists; it's data will be wiped"); 2350 // Actual deletion of code and data will be handled by later 2351 // reconciliation step 2352 } else { 2353 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2354 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2355 possiblyDeletedUpdatedSystemApps.add(ps.name); 2356 } 2357 } 2358 } 2359 } 2360 2361 //look for any incomplete package installations 2362 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2363 for (int i = 0; i < deletePkgsList.size(); i++) { 2364 // Actual deletion of code and data will be handled by later 2365 // reconciliation step 2366 final String packageName = deletePkgsList.get(i).name; 2367 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2368 synchronized (mPackages) { 2369 mSettings.removePackageLPw(packageName); 2370 } 2371 } 2372 2373 //delete tmp files 2374 deleteTempPackageFiles(); 2375 2376 // Remove any shared userIDs that have no associated packages 2377 mSettings.pruneSharedUsersLPw(); 2378 2379 if (!mOnlyCore) { 2380 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2381 SystemClock.uptimeMillis()); 2382 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2383 2384 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2385 | PackageParser.PARSE_FORWARD_LOCK, 2386 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2387 2388 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2389 | PackageParser.PARSE_IS_EPHEMERAL, 2390 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2391 2392 /** 2393 * Remove disable package settings for any updated system 2394 * apps that were removed via an OTA. If they're not a 2395 * previously-updated app, remove them completely. 2396 * Otherwise, just revoke their system-level permissions. 2397 */ 2398 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2399 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2400 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2401 2402 String msg; 2403 if (deletedPkg == null) { 2404 msg = "Updated system package " + deletedAppName 2405 + " no longer exists; it's data will be wiped"; 2406 // Actual deletion of code and data will be handled by later 2407 // reconciliation step 2408 } else { 2409 msg = "Updated system app + " + deletedAppName 2410 + " no longer present; removing system privileges for " 2411 + deletedAppName; 2412 2413 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2414 2415 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2416 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2417 } 2418 logCriticalInfo(Log.WARN, msg); 2419 } 2420 2421 /** 2422 * Make sure all system apps that we expected to appear on 2423 * the userdata partition actually showed up. If they never 2424 * appeared, crawl back and revive the system version. 2425 */ 2426 for (int i = 0; i < mExpectingBetter.size(); i++) { 2427 final String packageName = mExpectingBetter.keyAt(i); 2428 if (!mPackages.containsKey(packageName)) { 2429 final File scanFile = mExpectingBetter.valueAt(i); 2430 2431 logCriticalInfo(Log.WARN, "Expected better " + packageName 2432 + " but never showed up; reverting to system"); 2433 2434 int reparseFlags = mDefParseFlags; 2435 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2436 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2437 | PackageParser.PARSE_IS_SYSTEM_DIR 2438 | PackageParser.PARSE_IS_PRIVILEGED; 2439 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2440 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2441 | PackageParser.PARSE_IS_SYSTEM_DIR; 2442 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2443 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2444 | PackageParser.PARSE_IS_SYSTEM_DIR; 2445 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2446 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2447 | PackageParser.PARSE_IS_SYSTEM_DIR; 2448 } else { 2449 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2450 continue; 2451 } 2452 2453 mSettings.enableSystemPackageLPw(packageName); 2454 2455 try { 2456 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2457 } catch (PackageManagerException e) { 2458 Slog.e(TAG, "Failed to parse original system package: " 2459 + e.getMessage()); 2460 } 2461 } 2462 } 2463 } 2464 mExpectingBetter.clear(); 2465 2466 // Resolve protected action filters. Only the setup wizard is allowed to 2467 // have a high priority filter for these actions. 2468 mSetupWizardPackage = getSetupWizardPackageName(); 2469 if (mProtectedFilters.size() > 0) { 2470 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2471 Slog.i(TAG, "No setup wizard;" 2472 + " All protected intents capped to priority 0"); 2473 } 2474 for (ActivityIntentInfo filter : mProtectedFilters) { 2475 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2476 if (DEBUG_FILTERS) { 2477 Slog.i(TAG, "Found setup wizard;" 2478 + " allow priority " + filter.getPriority() + ";" 2479 + " package: " + filter.activity.info.packageName 2480 + " activity: " + filter.activity.className 2481 + " priority: " + filter.getPriority()); 2482 } 2483 // skip setup wizard; allow it to keep the high priority filter 2484 continue; 2485 } 2486 Slog.w(TAG, "Protected action; cap priority to 0;" 2487 + " package: " + filter.activity.info.packageName 2488 + " activity: " + filter.activity.className 2489 + " origPrio: " + filter.getPriority()); 2490 filter.setPriority(0); 2491 } 2492 } 2493 mDeferProtectedFilters = false; 2494 mProtectedFilters.clear(); 2495 2496 // Now that we know all of the shared libraries, update all clients to have 2497 // the correct library paths. 2498 updateAllSharedLibrariesLPw(); 2499 2500 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2501 // NOTE: We ignore potential failures here during a system scan (like 2502 // the rest of the commands above) because there's precious little we 2503 // can do about it. A settings error is reported, though. 2504 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2505 false /* boot complete */); 2506 } 2507 2508 // Now that we know all the packages we are keeping, 2509 // read and update their last usage times. 2510 mPackageUsage.read(mPackages); 2511 mCompilerStats.read(); 2512 2513 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2514 SystemClock.uptimeMillis()); 2515 Slog.i(TAG, "Time to scan packages: " 2516 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2517 + " seconds"); 2518 2519 // If the platform SDK has changed since the last time we booted, 2520 // we need to re-grant app permission to catch any new ones that 2521 // appear. This is really a hack, and means that apps can in some 2522 // cases get permissions that the user didn't initially explicitly 2523 // allow... it would be nice to have some better way to handle 2524 // this situation. 2525 int updateFlags = UPDATE_PERMISSIONS_ALL; 2526 if (ver.sdkVersion != mSdkVersion) { 2527 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2528 + mSdkVersion + "; regranting permissions for internal storage"); 2529 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2530 } 2531 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2532 ver.sdkVersion = mSdkVersion; 2533 2534 // If this is the first boot or an update from pre-M, and it is a normal 2535 // boot, then we need to initialize the default preferred apps across 2536 // all defined users. 2537 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2538 for (UserInfo user : sUserManager.getUsers(true)) { 2539 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2540 applyFactoryDefaultBrowserLPw(user.id); 2541 primeDomainVerificationsLPw(user.id); 2542 } 2543 } 2544 2545 // Prepare storage for system user really early during boot, 2546 // since core system apps like SettingsProvider and SystemUI 2547 // can't wait for user to start 2548 final int storageFlags; 2549 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2550 storageFlags = StorageManager.FLAG_STORAGE_DE; 2551 } else { 2552 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2553 } 2554 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2555 storageFlags); 2556 2557 // If this is first boot after an OTA, and a normal boot, then 2558 // we need to clear code cache directories. 2559 // Note that we do *not* clear the application profiles. These remain valid 2560 // across OTAs and are used to drive profile verification (post OTA) and 2561 // profile compilation (without waiting to collect a fresh set of profiles). 2562 if (mIsUpgrade && !onlyCore) { 2563 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2564 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2565 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2566 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2567 // No apps are running this early, so no need to freeze 2568 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2569 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2570 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2571 } 2572 } 2573 ver.fingerprint = Build.FINGERPRINT; 2574 } 2575 2576 checkDefaultBrowser(); 2577 2578 // clear only after permissions and other defaults have been updated 2579 mExistingSystemPackages.clear(); 2580 mPromoteSystemApps = false; 2581 2582 // All the changes are done during package scanning. 2583 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2584 2585 // can downgrade to reader 2586 mSettings.writeLPr(); 2587 2588 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2589 // early on (before the package manager declares itself as early) because other 2590 // components in the system server might ask for package contexts for these apps. 2591 // 2592 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2593 // (i.e, that the data partition is unavailable). 2594 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2595 long start = System.nanoTime(); 2596 List<PackageParser.Package> coreApps = new ArrayList<>(); 2597 for (PackageParser.Package pkg : mPackages.values()) { 2598 if (pkg.coreApp) { 2599 coreApps.add(pkg); 2600 } 2601 } 2602 2603 int[] stats = performDexOptUpgrade(coreApps, false, 2604 getCompilerFilterForReason(REASON_CORE_APP)); 2605 2606 final int elapsedTimeSeconds = 2607 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2608 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2609 2610 if (DEBUG_DEXOPT) { 2611 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2612 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2613 } 2614 2615 2616 // TODO: Should we log these stats to tron too ? 2617 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2618 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2619 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2620 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2621 } 2622 2623 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2624 SystemClock.uptimeMillis()); 2625 2626 if (!mOnlyCore) { 2627 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2628 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2629 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2630 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2631 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2632 mIntentFilterVerifierComponent); 2633 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2634 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2635 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2636 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2637 } else { 2638 mRequiredVerifierPackage = null; 2639 mRequiredInstallerPackage = null; 2640 mRequiredUninstallerPackage = null; 2641 mIntentFilterVerifierComponent = null; 2642 mIntentFilterVerifier = null; 2643 mServicesSystemSharedLibraryPackageName = null; 2644 mSharedSystemSharedLibraryPackageName = null; 2645 } 2646 2647 mInstallerService = new PackageInstallerService(context, this); 2648 2649 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2650 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2651 // both the installer and resolver must be present to enable ephemeral 2652 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2653 if (DEBUG_EPHEMERAL) { 2654 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2655 + " installer:" + ephemeralInstallerComponent); 2656 } 2657 mEphemeralResolverComponent = ephemeralResolverComponent; 2658 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2659 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2660 mEphemeralResolverConnection = 2661 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2662 } else { 2663 if (DEBUG_EPHEMERAL) { 2664 final String missingComponent = 2665 (ephemeralResolverComponent == null) 2666 ? (ephemeralInstallerComponent == null) 2667 ? "resolver and installer" 2668 : "resolver" 2669 : "installer"; 2670 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2671 } 2672 mEphemeralResolverComponent = null; 2673 mEphemeralInstallerComponent = null; 2674 mEphemeralResolverConnection = null; 2675 } 2676 2677 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2678 } // synchronized (mPackages) 2679 } // synchronized (mInstallLock) 2680 2681 // Now after opening every single application zip, make sure they 2682 // are all flushed. Not really needed, but keeps things nice and 2683 // tidy. 2684 Runtime.getRuntime().gc(); 2685 2686 // The initial scanning above does many calls into installd while 2687 // holding the mPackages lock, but we're mostly interested in yelling 2688 // once we have a booted system. 2689 mInstaller.setWarnIfHeld(mPackages); 2690 2691 // Expose private service for system components to use. 2692 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2693 } 2694 2695 @Override 2696 public boolean isFirstBoot() { 2697 return mFirstBoot; 2698 } 2699 2700 @Override 2701 public boolean isOnlyCoreApps() { 2702 return mOnlyCore; 2703 } 2704 2705 @Override 2706 public boolean isUpgrade() { 2707 return mIsUpgrade; 2708 } 2709 2710 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2711 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2712 2713 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2714 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2715 UserHandle.USER_SYSTEM); 2716 if (matches.size() == 1) { 2717 return matches.get(0).getComponentInfo().packageName; 2718 } else { 2719 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2720 return null; 2721 } 2722 } 2723 2724 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2725 synchronized (mPackages) { 2726 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2727 if (libraryEntry == null) { 2728 throw new IllegalStateException("Missing required shared library:" + libraryName); 2729 } 2730 return libraryEntry.apk; 2731 } 2732 } 2733 2734 private @NonNull String getRequiredInstallerLPr() { 2735 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2736 intent.addCategory(Intent.CATEGORY_DEFAULT); 2737 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2738 2739 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2740 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2741 UserHandle.USER_SYSTEM); 2742 if (matches.size() == 1) { 2743 ResolveInfo resolveInfo = matches.get(0); 2744 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2745 throw new RuntimeException("The installer must be a privileged app"); 2746 } 2747 return matches.get(0).getComponentInfo().packageName; 2748 } else { 2749 throw new RuntimeException("There must be exactly one installer; found " + matches); 2750 } 2751 } 2752 2753 private @NonNull String getRequiredUninstallerLPr() { 2754 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2755 intent.addCategory(Intent.CATEGORY_DEFAULT); 2756 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2757 2758 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2759 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2760 UserHandle.USER_SYSTEM); 2761 if (resolveInfo == null || 2762 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2763 throw new RuntimeException("There must be exactly one uninstaller; found " 2764 + resolveInfo); 2765 } 2766 return resolveInfo.getComponentInfo().packageName; 2767 } 2768 2769 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2770 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2771 2772 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2773 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2774 UserHandle.USER_SYSTEM); 2775 ResolveInfo best = null; 2776 final int N = matches.size(); 2777 for (int i = 0; i < N; i++) { 2778 final ResolveInfo cur = matches.get(i); 2779 final String packageName = cur.getComponentInfo().packageName; 2780 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2781 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2782 continue; 2783 } 2784 2785 if (best == null || cur.priority > best.priority) { 2786 best = cur; 2787 } 2788 } 2789 2790 if (best != null) { 2791 return best.getComponentInfo().getComponentName(); 2792 } else { 2793 throw new RuntimeException("There must be at least one intent filter verifier"); 2794 } 2795 } 2796 2797 private @Nullable ComponentName getEphemeralResolverLPr() { 2798 final String[] packageArray = 2799 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2800 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2801 if (DEBUG_EPHEMERAL) { 2802 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2803 } 2804 return null; 2805 } 2806 2807 final int resolveFlags = 2808 MATCH_DIRECT_BOOT_AWARE 2809 | MATCH_DIRECT_BOOT_UNAWARE 2810 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2811 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2812 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2813 resolveFlags, UserHandle.USER_SYSTEM); 2814 2815 final int N = resolvers.size(); 2816 if (N == 0) { 2817 if (DEBUG_EPHEMERAL) { 2818 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2819 } 2820 return null; 2821 } 2822 2823 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2824 for (int i = 0; i < N; i++) { 2825 final ResolveInfo info = resolvers.get(i); 2826 2827 if (info.serviceInfo == null) { 2828 continue; 2829 } 2830 2831 final String packageName = info.serviceInfo.packageName; 2832 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2833 if (DEBUG_EPHEMERAL) { 2834 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2835 + " pkg: " + packageName + ", info:" + info); 2836 } 2837 continue; 2838 } 2839 2840 if (DEBUG_EPHEMERAL) { 2841 Slog.v(TAG, "Ephemeral resolver found;" 2842 + " pkg: " + packageName + ", info:" + info); 2843 } 2844 return new ComponentName(packageName, info.serviceInfo.name); 2845 } 2846 if (DEBUG_EPHEMERAL) { 2847 Slog.v(TAG, "Ephemeral resolver NOT found"); 2848 } 2849 return null; 2850 } 2851 2852 private @Nullable ComponentName getEphemeralInstallerLPr() { 2853 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2854 intent.addCategory(Intent.CATEGORY_DEFAULT); 2855 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2856 2857 final int resolveFlags = 2858 MATCH_DIRECT_BOOT_AWARE 2859 | MATCH_DIRECT_BOOT_UNAWARE 2860 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2861 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2862 resolveFlags, UserHandle.USER_SYSTEM); 2863 if (matches.size() == 0) { 2864 return null; 2865 } else if (matches.size() == 1) { 2866 return matches.get(0).getComponentInfo().getComponentName(); 2867 } else { 2868 throw new RuntimeException( 2869 "There must be at most one ephemeral installer; found " + matches); 2870 } 2871 } 2872 2873 private void primeDomainVerificationsLPw(int userId) { 2874 if (DEBUG_DOMAIN_VERIFICATION) { 2875 Slog.d(TAG, "Priming domain verifications in user " + userId); 2876 } 2877 2878 SystemConfig systemConfig = SystemConfig.getInstance(); 2879 ArraySet<String> packages = systemConfig.getLinkedApps(); 2880 ArraySet<String> domains = new ArraySet<String>(); 2881 2882 for (String packageName : packages) { 2883 PackageParser.Package pkg = mPackages.get(packageName); 2884 if (pkg != null) { 2885 if (!pkg.isSystemApp()) { 2886 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2887 continue; 2888 } 2889 2890 domains.clear(); 2891 for (PackageParser.Activity a : pkg.activities) { 2892 for (ActivityIntentInfo filter : a.intents) { 2893 if (hasValidDomains(filter)) { 2894 domains.addAll(filter.getHostsList()); 2895 } 2896 } 2897 } 2898 2899 if (domains.size() > 0) { 2900 if (DEBUG_DOMAIN_VERIFICATION) { 2901 Slog.v(TAG, " + " + packageName); 2902 } 2903 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2904 // state w.r.t. the formal app-linkage "no verification attempted" state; 2905 // and then 'always' in the per-user state actually used for intent resolution. 2906 final IntentFilterVerificationInfo ivi; 2907 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2908 new ArrayList<String>(domains)); 2909 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2910 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2911 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2912 } else { 2913 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2914 + "' does not handle web links"); 2915 } 2916 } else { 2917 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2918 } 2919 } 2920 2921 scheduleWritePackageRestrictionsLocked(userId); 2922 scheduleWriteSettingsLocked(); 2923 } 2924 2925 private void applyFactoryDefaultBrowserLPw(int userId) { 2926 // The default browser app's package name is stored in a string resource, 2927 // with a product-specific overlay used for vendor customization. 2928 String browserPkg = mContext.getResources().getString( 2929 com.android.internal.R.string.default_browser); 2930 if (!TextUtils.isEmpty(browserPkg)) { 2931 // non-empty string => required to be a known package 2932 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2933 if (ps == null) { 2934 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2935 browserPkg = null; 2936 } else { 2937 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2938 } 2939 } 2940 2941 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2942 // default. If there's more than one, just leave everything alone. 2943 if (browserPkg == null) { 2944 calculateDefaultBrowserLPw(userId); 2945 } 2946 } 2947 2948 private void calculateDefaultBrowserLPw(int userId) { 2949 List<String> allBrowsers = resolveAllBrowserApps(userId); 2950 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2951 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2952 } 2953 2954 private List<String> resolveAllBrowserApps(int userId) { 2955 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2956 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2957 PackageManager.MATCH_ALL, userId); 2958 2959 final int count = list.size(); 2960 List<String> result = new ArrayList<String>(count); 2961 for (int i=0; i<count; i++) { 2962 ResolveInfo info = list.get(i); 2963 if (info.activityInfo == null 2964 || !info.handleAllWebDataURI 2965 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2966 || result.contains(info.activityInfo.packageName)) { 2967 continue; 2968 } 2969 result.add(info.activityInfo.packageName); 2970 } 2971 2972 return result; 2973 } 2974 2975 private boolean packageIsBrowser(String packageName, int userId) { 2976 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2977 PackageManager.MATCH_ALL, userId); 2978 final int N = list.size(); 2979 for (int i = 0; i < N; i++) { 2980 ResolveInfo info = list.get(i); 2981 if (packageName.equals(info.activityInfo.packageName)) { 2982 return true; 2983 } 2984 } 2985 return false; 2986 } 2987 2988 private void checkDefaultBrowser() { 2989 final int myUserId = UserHandle.myUserId(); 2990 final String packageName = getDefaultBrowserPackageName(myUserId); 2991 if (packageName != null) { 2992 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2993 if (info == null) { 2994 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2995 synchronized (mPackages) { 2996 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2997 } 2998 } 2999 } 3000 } 3001 3002 @Override 3003 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3004 throws RemoteException { 3005 try { 3006 return super.onTransact(code, data, reply, flags); 3007 } catch (RuntimeException e) { 3008 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3009 Slog.wtf(TAG, "Package Manager Crash", e); 3010 } 3011 throw e; 3012 } 3013 } 3014 3015 static int[] appendInts(int[] cur, int[] add) { 3016 if (add == null) return cur; 3017 if (cur == null) return add; 3018 final int N = add.length; 3019 for (int i=0; i<N; i++) { 3020 cur = appendInt(cur, add[i]); 3021 } 3022 return cur; 3023 } 3024 3025 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3026 if (!sUserManager.exists(userId)) return null; 3027 if (ps == null) { 3028 return null; 3029 } 3030 final PackageParser.Package p = ps.pkg; 3031 if (p == null) { 3032 return null; 3033 } 3034 3035 final PermissionsState permissionsState = ps.getPermissionsState(); 3036 3037 // Compute GIDs only if requested 3038 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3039 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3040 // Compute granted permissions only if package has requested permissions 3041 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3042 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3043 final PackageUserState state = ps.readUserState(userId); 3044 3045 return PackageParser.generatePackageInfo(p, gids, flags, 3046 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3047 } 3048 3049 @Override 3050 public void checkPackageStartable(String packageName, int userId) { 3051 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3052 3053 synchronized (mPackages) { 3054 final PackageSetting ps = mSettings.mPackages.get(packageName); 3055 if (ps == null) { 3056 throw new SecurityException("Package " + packageName + " was not found!"); 3057 } 3058 3059 if (!ps.getInstalled(userId)) { 3060 throw new SecurityException( 3061 "Package " + packageName + " was not installed for user " + userId + "!"); 3062 } 3063 3064 if (mSafeMode && !ps.isSystem()) { 3065 throw new SecurityException("Package " + packageName + " not a system app!"); 3066 } 3067 3068 if (mFrozenPackages.contains(packageName)) { 3069 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3070 } 3071 3072 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3073 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3074 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3075 } 3076 } 3077 } 3078 3079 @Override 3080 public boolean isPackageAvailable(String packageName, int userId) { 3081 if (!sUserManager.exists(userId)) return false; 3082 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3083 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3084 synchronized (mPackages) { 3085 PackageParser.Package p = mPackages.get(packageName); 3086 if (p != null) { 3087 final PackageSetting ps = (PackageSetting) p.mExtras; 3088 if (ps != null) { 3089 final PackageUserState state = ps.readUserState(userId); 3090 if (state != null) { 3091 return PackageParser.isAvailable(state); 3092 } 3093 } 3094 } 3095 } 3096 return false; 3097 } 3098 3099 @Override 3100 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3101 if (!sUserManager.exists(userId)) return null; 3102 flags = updateFlagsForPackage(flags, userId, packageName); 3103 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3104 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3105 // reader 3106 synchronized (mPackages) { 3107 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3108 PackageParser.Package p = null; 3109 if (matchFactoryOnly) { 3110 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3111 if (ps != null) { 3112 return generatePackageInfo(ps, flags, userId); 3113 } 3114 } 3115 if (p == null) { 3116 p = mPackages.get(packageName); 3117 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3118 return null; 3119 } 3120 } 3121 if (DEBUG_PACKAGE_INFO) 3122 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3123 if (p != null) { 3124 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3125 } 3126 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3127 final PackageSetting ps = mSettings.mPackages.get(packageName); 3128 return generatePackageInfo(ps, flags, userId); 3129 } 3130 } 3131 return null; 3132 } 3133 3134 @Override 3135 public String[] currentToCanonicalPackageNames(String[] names) { 3136 String[] out = new String[names.length]; 3137 // reader 3138 synchronized (mPackages) { 3139 for (int i=names.length-1; i>=0; i--) { 3140 PackageSetting ps = mSettings.mPackages.get(names[i]); 3141 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3142 } 3143 } 3144 return out; 3145 } 3146 3147 @Override 3148 public String[] canonicalToCurrentPackageNames(String[] names) { 3149 String[] out = new String[names.length]; 3150 // reader 3151 synchronized (mPackages) { 3152 for (int i=names.length-1; i>=0; i--) { 3153 String cur = mSettings.mRenamedPackages.get(names[i]); 3154 out[i] = cur != null ? cur : names[i]; 3155 } 3156 } 3157 return out; 3158 } 3159 3160 @Override 3161 public int getPackageUid(String packageName, int flags, int userId) { 3162 if (!sUserManager.exists(userId)) return -1; 3163 flags = updateFlagsForPackage(flags, userId, packageName); 3164 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3165 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3166 3167 // reader 3168 synchronized (mPackages) { 3169 final PackageParser.Package p = mPackages.get(packageName); 3170 if (p != null && p.isMatch(flags)) { 3171 return UserHandle.getUid(userId, p.applicationInfo.uid); 3172 } 3173 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3174 final PackageSetting ps = mSettings.mPackages.get(packageName); 3175 if (ps != null && ps.isMatch(flags)) { 3176 return UserHandle.getUid(userId, ps.appId); 3177 } 3178 } 3179 } 3180 3181 return -1; 3182 } 3183 3184 @Override 3185 public int[] getPackageGids(String packageName, int flags, int userId) { 3186 if (!sUserManager.exists(userId)) return null; 3187 flags = updateFlagsForPackage(flags, userId, packageName); 3188 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3189 false /* requireFullPermission */, false /* checkShell */, 3190 "getPackageGids"); 3191 3192 // reader 3193 synchronized (mPackages) { 3194 final PackageParser.Package p = mPackages.get(packageName); 3195 if (p != null && p.isMatch(flags)) { 3196 PackageSetting ps = (PackageSetting) p.mExtras; 3197 return ps.getPermissionsState().computeGids(userId); 3198 } 3199 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3200 final PackageSetting ps = mSettings.mPackages.get(packageName); 3201 if (ps != null && ps.isMatch(flags)) { 3202 return ps.getPermissionsState().computeGids(userId); 3203 } 3204 } 3205 } 3206 3207 return null; 3208 } 3209 3210 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3211 if (bp.perm != null) { 3212 return PackageParser.generatePermissionInfo(bp.perm, flags); 3213 } 3214 PermissionInfo pi = new PermissionInfo(); 3215 pi.name = bp.name; 3216 pi.packageName = bp.sourcePackage; 3217 pi.nonLocalizedLabel = bp.name; 3218 pi.protectionLevel = bp.protectionLevel; 3219 return pi; 3220 } 3221 3222 @Override 3223 public PermissionInfo getPermissionInfo(String name, int flags) { 3224 // reader 3225 synchronized (mPackages) { 3226 final BasePermission p = mSettings.mPermissions.get(name); 3227 if (p != null) { 3228 return generatePermissionInfo(p, flags); 3229 } 3230 return null; 3231 } 3232 } 3233 3234 @Override 3235 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3236 int flags) { 3237 // reader 3238 synchronized (mPackages) { 3239 if (group != null && !mPermissionGroups.containsKey(group)) { 3240 // This is thrown as NameNotFoundException 3241 return null; 3242 } 3243 3244 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3245 for (BasePermission p : mSettings.mPermissions.values()) { 3246 if (group == null) { 3247 if (p.perm == null || p.perm.info.group == null) { 3248 out.add(generatePermissionInfo(p, flags)); 3249 } 3250 } else { 3251 if (p.perm != null && group.equals(p.perm.info.group)) { 3252 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3253 } 3254 } 3255 } 3256 return new ParceledListSlice<>(out); 3257 } 3258 } 3259 3260 @Override 3261 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3262 // reader 3263 synchronized (mPackages) { 3264 return PackageParser.generatePermissionGroupInfo( 3265 mPermissionGroups.get(name), flags); 3266 } 3267 } 3268 3269 @Override 3270 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3271 // reader 3272 synchronized (mPackages) { 3273 final int N = mPermissionGroups.size(); 3274 ArrayList<PermissionGroupInfo> out 3275 = new ArrayList<PermissionGroupInfo>(N); 3276 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3277 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3278 } 3279 return new ParceledListSlice<>(out); 3280 } 3281 } 3282 3283 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3284 int userId) { 3285 if (!sUserManager.exists(userId)) return null; 3286 PackageSetting ps = mSettings.mPackages.get(packageName); 3287 if (ps != null) { 3288 if (ps.pkg == null) { 3289 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3290 if (pInfo != null) { 3291 return pInfo.applicationInfo; 3292 } 3293 return null; 3294 } 3295 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3296 ps.readUserState(userId), userId); 3297 } 3298 return null; 3299 } 3300 3301 @Override 3302 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3303 if (!sUserManager.exists(userId)) return null; 3304 flags = updateFlagsForApplication(flags, userId, packageName); 3305 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3306 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3307 // writer 3308 synchronized (mPackages) { 3309 PackageParser.Package p = mPackages.get(packageName); 3310 if (DEBUG_PACKAGE_INFO) Log.v( 3311 TAG, "getApplicationInfo " + packageName 3312 + ": " + p); 3313 if (p != null) { 3314 PackageSetting ps = mSettings.mPackages.get(packageName); 3315 if (ps == null) return null; 3316 // Note: isEnabledLP() does not apply here - always return info 3317 return PackageParser.generateApplicationInfo( 3318 p, flags, ps.readUserState(userId), userId); 3319 } 3320 if ("android".equals(packageName)||"system".equals(packageName)) { 3321 return mAndroidApplication; 3322 } 3323 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3324 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3325 } 3326 } 3327 return null; 3328 } 3329 3330 @Override 3331 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3332 final IPackageDataObserver observer) { 3333 mContext.enforceCallingOrSelfPermission( 3334 android.Manifest.permission.CLEAR_APP_CACHE, null); 3335 // Queue up an async operation since clearing cache may take a little while. 3336 mHandler.post(new Runnable() { 3337 public void run() { 3338 mHandler.removeCallbacks(this); 3339 boolean success = true; 3340 synchronized (mInstallLock) { 3341 try { 3342 mInstaller.freeCache(volumeUuid, freeStorageSize); 3343 } catch (InstallerException e) { 3344 Slog.w(TAG, "Couldn't clear application caches: " + e); 3345 success = false; 3346 } 3347 } 3348 if (observer != null) { 3349 try { 3350 observer.onRemoveCompleted(null, success); 3351 } catch (RemoteException e) { 3352 Slog.w(TAG, "RemoveException when invoking call back"); 3353 } 3354 } 3355 } 3356 }); 3357 } 3358 3359 @Override 3360 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3361 final IntentSender pi) { 3362 mContext.enforceCallingOrSelfPermission( 3363 android.Manifest.permission.CLEAR_APP_CACHE, null); 3364 // Queue up an async operation since clearing cache may take a little while. 3365 mHandler.post(new Runnable() { 3366 public void run() { 3367 mHandler.removeCallbacks(this); 3368 boolean success = true; 3369 synchronized (mInstallLock) { 3370 try { 3371 mInstaller.freeCache(volumeUuid, freeStorageSize); 3372 } catch (InstallerException e) { 3373 Slog.w(TAG, "Couldn't clear application caches: " + e); 3374 success = false; 3375 } 3376 } 3377 if(pi != null) { 3378 try { 3379 // Callback via pending intent 3380 int code = success ? 1 : 0; 3381 pi.sendIntent(null, code, null, 3382 null, null); 3383 } catch (SendIntentException e1) { 3384 Slog.i(TAG, "Failed to send pending intent"); 3385 } 3386 } 3387 } 3388 }); 3389 } 3390 3391 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3392 synchronized (mInstallLock) { 3393 try { 3394 mInstaller.freeCache(volumeUuid, freeStorageSize); 3395 } catch (InstallerException e) { 3396 throw new IOException("Failed to free enough space", e); 3397 } 3398 } 3399 } 3400 3401 /** 3402 * Update given flags based on encryption status of current user. 3403 */ 3404 private int updateFlags(int flags, int userId) { 3405 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3406 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3407 // Caller expressed an explicit opinion about what encryption 3408 // aware/unaware components they want to see, so fall through and 3409 // give them what they want 3410 } else { 3411 // Caller expressed no opinion, so match based on user state 3412 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3413 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3414 } else { 3415 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3416 } 3417 } 3418 return flags; 3419 } 3420 3421 private UserManagerInternal getUserManagerInternal() { 3422 if (mUserManagerInternal == null) { 3423 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3424 } 3425 return mUserManagerInternal; 3426 } 3427 3428 /** 3429 * Update given flags when being used to request {@link PackageInfo}. 3430 */ 3431 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3432 boolean triaged = true; 3433 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3434 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3435 // Caller is asking for component details, so they'd better be 3436 // asking for specific encryption matching behavior, or be triaged 3437 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3438 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3439 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3440 triaged = false; 3441 } 3442 } 3443 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3444 | PackageManager.MATCH_SYSTEM_ONLY 3445 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3446 triaged = false; 3447 } 3448 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3449 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3450 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3451 } 3452 return updateFlags(flags, userId); 3453 } 3454 3455 /** 3456 * Update given flags when being used to request {@link ApplicationInfo}. 3457 */ 3458 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3459 return updateFlagsForPackage(flags, userId, cookie); 3460 } 3461 3462 /** 3463 * Update given flags when being used to request {@link ComponentInfo}. 3464 */ 3465 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3466 if (cookie instanceof Intent) { 3467 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3468 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3469 } 3470 } 3471 3472 boolean triaged = true; 3473 // Caller is asking for component details, so they'd better be 3474 // asking for specific encryption matching behavior, or be triaged 3475 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3476 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3477 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3478 triaged = false; 3479 } 3480 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3481 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3482 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3483 } 3484 3485 return updateFlags(flags, userId); 3486 } 3487 3488 /** 3489 * Update given flags when being used to request {@link ResolveInfo}. 3490 */ 3491 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3492 // Safe mode means we shouldn't match any third-party components 3493 if (mSafeMode) { 3494 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3495 } 3496 3497 return updateFlagsForComponent(flags, userId, cookie); 3498 } 3499 3500 @Override 3501 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3502 if (!sUserManager.exists(userId)) return null; 3503 flags = updateFlagsForComponent(flags, userId, component); 3504 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3505 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3506 synchronized (mPackages) { 3507 PackageParser.Activity a = mActivities.mActivities.get(component); 3508 3509 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3510 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3511 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3512 if (ps == null) return null; 3513 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3514 userId); 3515 } 3516 if (mResolveComponentName.equals(component)) { 3517 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3518 new PackageUserState(), userId); 3519 } 3520 } 3521 return null; 3522 } 3523 3524 @Override 3525 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3526 String resolvedType) { 3527 synchronized (mPackages) { 3528 if (component.equals(mResolveComponentName)) { 3529 // The resolver supports EVERYTHING! 3530 return true; 3531 } 3532 PackageParser.Activity a = mActivities.mActivities.get(component); 3533 if (a == null) { 3534 return false; 3535 } 3536 for (int i=0; i<a.intents.size(); i++) { 3537 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3538 intent.getData(), intent.getCategories(), TAG) >= 0) { 3539 return true; 3540 } 3541 } 3542 return false; 3543 } 3544 } 3545 3546 @Override 3547 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3548 if (!sUserManager.exists(userId)) return null; 3549 flags = updateFlagsForComponent(flags, userId, component); 3550 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3551 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3552 synchronized (mPackages) { 3553 PackageParser.Activity a = mReceivers.mActivities.get(component); 3554 if (DEBUG_PACKAGE_INFO) Log.v( 3555 TAG, "getReceiverInfo " + component + ": " + a); 3556 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3557 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3558 if (ps == null) return null; 3559 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3560 userId); 3561 } 3562 } 3563 return null; 3564 } 3565 3566 @Override 3567 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3568 if (!sUserManager.exists(userId)) return null; 3569 flags = updateFlagsForComponent(flags, userId, component); 3570 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3571 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3572 synchronized (mPackages) { 3573 PackageParser.Service s = mServices.mServices.get(component); 3574 if (DEBUG_PACKAGE_INFO) Log.v( 3575 TAG, "getServiceInfo " + component + ": " + s); 3576 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3577 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3578 if (ps == null) return null; 3579 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3580 userId); 3581 } 3582 } 3583 return null; 3584 } 3585 3586 @Override 3587 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3588 if (!sUserManager.exists(userId)) return null; 3589 flags = updateFlagsForComponent(flags, userId, component); 3590 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3591 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3592 synchronized (mPackages) { 3593 PackageParser.Provider p = mProviders.mProviders.get(component); 3594 if (DEBUG_PACKAGE_INFO) Log.v( 3595 TAG, "getProviderInfo " + component + ": " + p); 3596 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3597 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3598 if (ps == null) return null; 3599 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3600 userId); 3601 } 3602 } 3603 return null; 3604 } 3605 3606 @Override 3607 public String[] getSystemSharedLibraryNames() { 3608 Set<String> libSet; 3609 synchronized (mPackages) { 3610 libSet = mSharedLibraries.keySet(); 3611 int size = libSet.size(); 3612 if (size > 0) { 3613 String[] libs = new String[size]; 3614 libSet.toArray(libs); 3615 return libs; 3616 } 3617 } 3618 return null; 3619 } 3620 3621 @Override 3622 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3623 synchronized (mPackages) { 3624 return mServicesSystemSharedLibraryPackageName; 3625 } 3626 } 3627 3628 @Override 3629 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3630 synchronized (mPackages) { 3631 return mSharedSystemSharedLibraryPackageName; 3632 } 3633 } 3634 3635 @Override 3636 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3637 synchronized (mPackages) { 3638 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3639 3640 final FeatureInfo fi = new FeatureInfo(); 3641 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3642 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3643 res.add(fi); 3644 3645 return new ParceledListSlice<>(res); 3646 } 3647 } 3648 3649 @Override 3650 public boolean hasSystemFeature(String name, int version) { 3651 synchronized (mPackages) { 3652 final FeatureInfo feat = mAvailableFeatures.get(name); 3653 if (feat == null) { 3654 return false; 3655 } else { 3656 return feat.version >= version; 3657 } 3658 } 3659 } 3660 3661 @Override 3662 public int checkPermission(String permName, String pkgName, int userId) { 3663 if (!sUserManager.exists(userId)) { 3664 return PackageManager.PERMISSION_DENIED; 3665 } 3666 3667 synchronized (mPackages) { 3668 final PackageParser.Package p = mPackages.get(pkgName); 3669 if (p != null && p.mExtras != null) { 3670 final PackageSetting ps = (PackageSetting) p.mExtras; 3671 final PermissionsState permissionsState = ps.getPermissionsState(); 3672 if (permissionsState.hasPermission(permName, userId)) { 3673 return PackageManager.PERMISSION_GRANTED; 3674 } 3675 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3676 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3677 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3678 return PackageManager.PERMISSION_GRANTED; 3679 } 3680 } 3681 } 3682 3683 return PackageManager.PERMISSION_DENIED; 3684 } 3685 3686 @Override 3687 public int checkUidPermission(String permName, int uid) { 3688 final int userId = UserHandle.getUserId(uid); 3689 3690 if (!sUserManager.exists(userId)) { 3691 return PackageManager.PERMISSION_DENIED; 3692 } 3693 3694 synchronized (mPackages) { 3695 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3696 if (obj != null) { 3697 final SettingBase ps = (SettingBase) obj; 3698 final PermissionsState permissionsState = ps.getPermissionsState(); 3699 if (permissionsState.hasPermission(permName, userId)) { 3700 return PackageManager.PERMISSION_GRANTED; 3701 } 3702 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3703 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3704 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3705 return PackageManager.PERMISSION_GRANTED; 3706 } 3707 } else { 3708 ArraySet<String> perms = mSystemPermissions.get(uid); 3709 if (perms != null) { 3710 if (perms.contains(permName)) { 3711 return PackageManager.PERMISSION_GRANTED; 3712 } 3713 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3714 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3715 return PackageManager.PERMISSION_GRANTED; 3716 } 3717 } 3718 } 3719 } 3720 3721 return PackageManager.PERMISSION_DENIED; 3722 } 3723 3724 @Override 3725 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3726 if (UserHandle.getCallingUserId() != userId) { 3727 mContext.enforceCallingPermission( 3728 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3729 "isPermissionRevokedByPolicy for user " + userId); 3730 } 3731 3732 if (checkPermission(permission, packageName, userId) 3733 == PackageManager.PERMISSION_GRANTED) { 3734 return false; 3735 } 3736 3737 final long identity = Binder.clearCallingIdentity(); 3738 try { 3739 final int flags = getPermissionFlags(permission, packageName, userId); 3740 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3741 } finally { 3742 Binder.restoreCallingIdentity(identity); 3743 } 3744 } 3745 3746 @Override 3747 public String getPermissionControllerPackageName() { 3748 synchronized (mPackages) { 3749 return mRequiredInstallerPackage; 3750 } 3751 } 3752 3753 /** 3754 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3755 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3756 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3757 * @param message the message to log on security exception 3758 */ 3759 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3760 boolean checkShell, String message) { 3761 if (userId < 0) { 3762 throw new IllegalArgumentException("Invalid userId " + userId); 3763 } 3764 if (checkShell) { 3765 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3766 } 3767 if (userId == UserHandle.getUserId(callingUid)) return; 3768 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3769 if (requireFullPermission) { 3770 mContext.enforceCallingOrSelfPermission( 3771 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3772 } else { 3773 try { 3774 mContext.enforceCallingOrSelfPermission( 3775 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3776 } catch (SecurityException se) { 3777 mContext.enforceCallingOrSelfPermission( 3778 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3779 } 3780 } 3781 } 3782 } 3783 3784 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3785 if (callingUid == Process.SHELL_UID) { 3786 if (userHandle >= 0 3787 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3788 throw new SecurityException("Shell does not have permission to access user " 3789 + userHandle); 3790 } else if (userHandle < 0) { 3791 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3792 + Debug.getCallers(3)); 3793 } 3794 } 3795 } 3796 3797 private BasePermission findPermissionTreeLP(String permName) { 3798 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3799 if (permName.startsWith(bp.name) && 3800 permName.length() > bp.name.length() && 3801 permName.charAt(bp.name.length()) == '.') { 3802 return bp; 3803 } 3804 } 3805 return null; 3806 } 3807 3808 private BasePermission checkPermissionTreeLP(String permName) { 3809 if (permName != null) { 3810 BasePermission bp = findPermissionTreeLP(permName); 3811 if (bp != null) { 3812 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3813 return bp; 3814 } 3815 throw new SecurityException("Calling uid " 3816 + Binder.getCallingUid() 3817 + " is not allowed to add to permission tree " 3818 + bp.name + " owned by uid " + bp.uid); 3819 } 3820 } 3821 throw new SecurityException("No permission tree found for " + permName); 3822 } 3823 3824 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3825 if (s1 == null) { 3826 return s2 == null; 3827 } 3828 if (s2 == null) { 3829 return false; 3830 } 3831 if (s1.getClass() != s2.getClass()) { 3832 return false; 3833 } 3834 return s1.equals(s2); 3835 } 3836 3837 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3838 if (pi1.icon != pi2.icon) return false; 3839 if (pi1.logo != pi2.logo) return false; 3840 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3841 if (!compareStrings(pi1.name, pi2.name)) return false; 3842 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3843 // We'll take care of setting this one. 3844 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3845 // These are not currently stored in settings. 3846 //if (!compareStrings(pi1.group, pi2.group)) return false; 3847 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3848 //if (pi1.labelRes != pi2.labelRes) return false; 3849 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3850 return true; 3851 } 3852 3853 int permissionInfoFootprint(PermissionInfo info) { 3854 int size = info.name.length(); 3855 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3856 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3857 return size; 3858 } 3859 3860 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3861 int size = 0; 3862 for (BasePermission perm : mSettings.mPermissions.values()) { 3863 if (perm.uid == tree.uid) { 3864 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3865 } 3866 } 3867 return size; 3868 } 3869 3870 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3871 // We calculate the max size of permissions defined by this uid and throw 3872 // if that plus the size of 'info' would exceed our stated maximum. 3873 if (tree.uid != Process.SYSTEM_UID) { 3874 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3875 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3876 throw new SecurityException("Permission tree size cap exceeded"); 3877 } 3878 } 3879 } 3880 3881 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3882 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3883 throw new SecurityException("Label must be specified in permission"); 3884 } 3885 BasePermission tree = checkPermissionTreeLP(info.name); 3886 BasePermission bp = mSettings.mPermissions.get(info.name); 3887 boolean added = bp == null; 3888 boolean changed = true; 3889 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3890 if (added) { 3891 enforcePermissionCapLocked(info, tree); 3892 bp = new BasePermission(info.name, tree.sourcePackage, 3893 BasePermission.TYPE_DYNAMIC); 3894 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3895 throw new SecurityException( 3896 "Not allowed to modify non-dynamic permission " 3897 + info.name); 3898 } else { 3899 if (bp.protectionLevel == fixedLevel 3900 && bp.perm.owner.equals(tree.perm.owner) 3901 && bp.uid == tree.uid 3902 && comparePermissionInfos(bp.perm.info, info)) { 3903 changed = false; 3904 } 3905 } 3906 bp.protectionLevel = fixedLevel; 3907 info = new PermissionInfo(info); 3908 info.protectionLevel = fixedLevel; 3909 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3910 bp.perm.info.packageName = tree.perm.info.packageName; 3911 bp.uid = tree.uid; 3912 if (added) { 3913 mSettings.mPermissions.put(info.name, bp); 3914 } 3915 if (changed) { 3916 if (!async) { 3917 mSettings.writeLPr(); 3918 } else { 3919 scheduleWriteSettingsLocked(); 3920 } 3921 } 3922 return added; 3923 } 3924 3925 @Override 3926 public boolean addPermission(PermissionInfo info) { 3927 synchronized (mPackages) { 3928 return addPermissionLocked(info, false); 3929 } 3930 } 3931 3932 @Override 3933 public boolean addPermissionAsync(PermissionInfo info) { 3934 synchronized (mPackages) { 3935 return addPermissionLocked(info, true); 3936 } 3937 } 3938 3939 @Override 3940 public void removePermission(String name) { 3941 synchronized (mPackages) { 3942 checkPermissionTreeLP(name); 3943 BasePermission bp = mSettings.mPermissions.get(name); 3944 if (bp != null) { 3945 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3946 throw new SecurityException( 3947 "Not allowed to modify non-dynamic permission " 3948 + name); 3949 } 3950 mSettings.mPermissions.remove(name); 3951 mSettings.writeLPr(); 3952 } 3953 } 3954 } 3955 3956 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3957 BasePermission bp) { 3958 int index = pkg.requestedPermissions.indexOf(bp.name); 3959 if (index == -1) { 3960 throw new SecurityException("Package " + pkg.packageName 3961 + " has not requested permission " + bp.name); 3962 } 3963 if (!bp.isRuntime() && !bp.isDevelopment()) { 3964 throw new SecurityException("Permission " + bp.name 3965 + " is not a changeable permission type"); 3966 } 3967 } 3968 3969 @Override 3970 public void grantRuntimePermission(String packageName, String name, final int userId) { 3971 if (!sUserManager.exists(userId)) { 3972 Log.e(TAG, "No such user:" + userId); 3973 return; 3974 } 3975 3976 mContext.enforceCallingOrSelfPermission( 3977 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3978 "grantRuntimePermission"); 3979 3980 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3981 true /* requireFullPermission */, true /* checkShell */, 3982 "grantRuntimePermission"); 3983 3984 final int uid; 3985 final SettingBase sb; 3986 3987 synchronized (mPackages) { 3988 final PackageParser.Package pkg = mPackages.get(packageName); 3989 if (pkg == null) { 3990 throw new IllegalArgumentException("Unknown package: " + packageName); 3991 } 3992 3993 final BasePermission bp = mSettings.mPermissions.get(name); 3994 if (bp == null) { 3995 throw new IllegalArgumentException("Unknown permission: " + name); 3996 } 3997 3998 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3999 4000 // If a permission review is required for legacy apps we represent 4001 // their permissions as always granted runtime ones since we need 4002 // to keep the review required permission flag per user while an 4003 // install permission's state is shared across all users. 4004 if (Build.PERMISSIONS_REVIEW_REQUIRED 4005 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4006 && bp.isRuntime()) { 4007 return; 4008 } 4009 4010 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4011 sb = (SettingBase) pkg.mExtras; 4012 if (sb == null) { 4013 throw new IllegalArgumentException("Unknown package: " + packageName); 4014 } 4015 4016 final PermissionsState permissionsState = sb.getPermissionsState(); 4017 4018 final int flags = permissionsState.getPermissionFlags(name, userId); 4019 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4020 throw new SecurityException("Cannot grant system fixed permission " 4021 + name + " for package " + packageName); 4022 } 4023 4024 if (bp.isDevelopment()) { 4025 // Development permissions must be handled specially, since they are not 4026 // normal runtime permissions. For now they apply to all users. 4027 if (permissionsState.grantInstallPermission(bp) != 4028 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4029 scheduleWriteSettingsLocked(); 4030 } 4031 return; 4032 } 4033 4034 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4035 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4036 return; 4037 } 4038 4039 final int result = permissionsState.grantRuntimePermission(bp, userId); 4040 switch (result) { 4041 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4042 return; 4043 } 4044 4045 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4046 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4047 mHandler.post(new Runnable() { 4048 @Override 4049 public void run() { 4050 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4051 } 4052 }); 4053 } 4054 break; 4055 } 4056 4057 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4058 4059 // Not critical if that is lost - app has to request again. 4060 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4061 } 4062 4063 // Only need to do this if user is initialized. Otherwise it's a new user 4064 // and there are no processes running as the user yet and there's no need 4065 // to make an expensive call to remount processes for the changed permissions. 4066 if (READ_EXTERNAL_STORAGE.equals(name) 4067 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4068 final long token = Binder.clearCallingIdentity(); 4069 try { 4070 if (sUserManager.isInitialized(userId)) { 4071 MountServiceInternal mountServiceInternal = LocalServices.getService( 4072 MountServiceInternal.class); 4073 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4074 } 4075 } finally { 4076 Binder.restoreCallingIdentity(token); 4077 } 4078 } 4079 } 4080 4081 @Override 4082 public void revokeRuntimePermission(String packageName, String name, int userId) { 4083 if (!sUserManager.exists(userId)) { 4084 Log.e(TAG, "No such user:" + userId); 4085 return; 4086 } 4087 4088 mContext.enforceCallingOrSelfPermission( 4089 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4090 "revokeRuntimePermission"); 4091 4092 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4093 true /* requireFullPermission */, true /* checkShell */, 4094 "revokeRuntimePermission"); 4095 4096 final int appId; 4097 4098 synchronized (mPackages) { 4099 final PackageParser.Package pkg = mPackages.get(packageName); 4100 if (pkg == null) { 4101 throw new IllegalArgumentException("Unknown package: " + packageName); 4102 } 4103 4104 final BasePermission bp = mSettings.mPermissions.get(name); 4105 if (bp == null) { 4106 throw new IllegalArgumentException("Unknown permission: " + name); 4107 } 4108 4109 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4110 4111 // If a permission review is required for legacy apps we represent 4112 // their permissions as always granted runtime ones since we need 4113 // to keep the review required permission flag per user while an 4114 // install permission's state is shared across all users. 4115 if (Build.PERMISSIONS_REVIEW_REQUIRED 4116 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4117 && bp.isRuntime()) { 4118 return; 4119 } 4120 4121 SettingBase sb = (SettingBase) pkg.mExtras; 4122 if (sb == null) { 4123 throw new IllegalArgumentException("Unknown package: " + packageName); 4124 } 4125 4126 final PermissionsState permissionsState = sb.getPermissionsState(); 4127 4128 final int flags = permissionsState.getPermissionFlags(name, userId); 4129 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4130 throw new SecurityException("Cannot revoke system fixed permission " 4131 + name + " for package " + packageName); 4132 } 4133 4134 if (bp.isDevelopment()) { 4135 // Development permissions must be handled specially, since they are not 4136 // normal runtime permissions. For now they apply to all users. 4137 if (permissionsState.revokeInstallPermission(bp) != 4138 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4139 scheduleWriteSettingsLocked(); 4140 } 4141 return; 4142 } 4143 4144 if (permissionsState.revokeRuntimePermission(bp, userId) == 4145 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4146 return; 4147 } 4148 4149 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4150 4151 // Critical, after this call app should never have the permission. 4152 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4153 4154 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4155 } 4156 4157 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4158 } 4159 4160 @Override 4161 public void resetRuntimePermissions() { 4162 mContext.enforceCallingOrSelfPermission( 4163 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4164 "revokeRuntimePermission"); 4165 4166 int callingUid = Binder.getCallingUid(); 4167 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4168 mContext.enforceCallingOrSelfPermission( 4169 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4170 "resetRuntimePermissions"); 4171 } 4172 4173 synchronized (mPackages) { 4174 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4175 for (int userId : UserManagerService.getInstance().getUserIds()) { 4176 final int packageCount = mPackages.size(); 4177 for (int i = 0; i < packageCount; i++) { 4178 PackageParser.Package pkg = mPackages.valueAt(i); 4179 if (!(pkg.mExtras instanceof PackageSetting)) { 4180 continue; 4181 } 4182 PackageSetting ps = (PackageSetting) pkg.mExtras; 4183 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4184 } 4185 } 4186 } 4187 } 4188 4189 @Override 4190 public int getPermissionFlags(String name, String packageName, int userId) { 4191 if (!sUserManager.exists(userId)) { 4192 return 0; 4193 } 4194 4195 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4196 4197 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4198 true /* requireFullPermission */, false /* checkShell */, 4199 "getPermissionFlags"); 4200 4201 synchronized (mPackages) { 4202 final PackageParser.Package pkg = mPackages.get(packageName); 4203 if (pkg == null) { 4204 return 0; 4205 } 4206 4207 final BasePermission bp = mSettings.mPermissions.get(name); 4208 if (bp == null) { 4209 return 0; 4210 } 4211 4212 SettingBase sb = (SettingBase) pkg.mExtras; 4213 if (sb == null) { 4214 return 0; 4215 } 4216 4217 PermissionsState permissionsState = sb.getPermissionsState(); 4218 return permissionsState.getPermissionFlags(name, userId); 4219 } 4220 } 4221 4222 @Override 4223 public void updatePermissionFlags(String name, String packageName, int flagMask, 4224 int flagValues, int userId) { 4225 if (!sUserManager.exists(userId)) { 4226 return; 4227 } 4228 4229 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4230 4231 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4232 true /* requireFullPermission */, true /* checkShell */, 4233 "updatePermissionFlags"); 4234 4235 // Only the system can change these flags and nothing else. 4236 if (getCallingUid() != Process.SYSTEM_UID) { 4237 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4238 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4239 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4240 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4241 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4242 } 4243 4244 synchronized (mPackages) { 4245 final PackageParser.Package pkg = mPackages.get(packageName); 4246 if (pkg == null) { 4247 throw new IllegalArgumentException("Unknown package: " + packageName); 4248 } 4249 4250 final BasePermission bp = mSettings.mPermissions.get(name); 4251 if (bp == null) { 4252 throw new IllegalArgumentException("Unknown permission: " + name); 4253 } 4254 4255 SettingBase sb = (SettingBase) pkg.mExtras; 4256 if (sb == null) { 4257 throw new IllegalArgumentException("Unknown package: " + packageName); 4258 } 4259 4260 PermissionsState permissionsState = sb.getPermissionsState(); 4261 4262 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4263 4264 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4265 // Install and runtime permissions are stored in different places, 4266 // so figure out what permission changed and persist the change. 4267 if (permissionsState.getInstallPermissionState(name) != null) { 4268 scheduleWriteSettingsLocked(); 4269 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4270 || hadState) { 4271 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4272 } 4273 } 4274 } 4275 } 4276 4277 /** 4278 * Update the permission flags for all packages and runtime permissions of a user in order 4279 * to allow device or profile owner to remove POLICY_FIXED. 4280 */ 4281 @Override 4282 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4283 if (!sUserManager.exists(userId)) { 4284 return; 4285 } 4286 4287 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4288 4289 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4290 true /* requireFullPermission */, true /* checkShell */, 4291 "updatePermissionFlagsForAllApps"); 4292 4293 // Only the system can change system fixed flags. 4294 if (getCallingUid() != Process.SYSTEM_UID) { 4295 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4296 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4297 } 4298 4299 synchronized (mPackages) { 4300 boolean changed = false; 4301 final int packageCount = mPackages.size(); 4302 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4303 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4304 SettingBase sb = (SettingBase) pkg.mExtras; 4305 if (sb == null) { 4306 continue; 4307 } 4308 PermissionsState permissionsState = sb.getPermissionsState(); 4309 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4310 userId, flagMask, flagValues); 4311 } 4312 if (changed) { 4313 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4314 } 4315 } 4316 } 4317 4318 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4319 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4320 != PackageManager.PERMISSION_GRANTED 4321 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4322 != PackageManager.PERMISSION_GRANTED) { 4323 throw new SecurityException(message + " requires " 4324 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4325 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4326 } 4327 } 4328 4329 @Override 4330 public boolean shouldShowRequestPermissionRationale(String permissionName, 4331 String packageName, int userId) { 4332 if (UserHandle.getCallingUserId() != userId) { 4333 mContext.enforceCallingPermission( 4334 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4335 "canShowRequestPermissionRationale for user " + userId); 4336 } 4337 4338 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4339 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4340 return false; 4341 } 4342 4343 if (checkPermission(permissionName, packageName, userId) 4344 == PackageManager.PERMISSION_GRANTED) { 4345 return false; 4346 } 4347 4348 final int flags; 4349 4350 final long identity = Binder.clearCallingIdentity(); 4351 try { 4352 flags = getPermissionFlags(permissionName, 4353 packageName, userId); 4354 } finally { 4355 Binder.restoreCallingIdentity(identity); 4356 } 4357 4358 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4359 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4360 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4361 4362 if ((flags & fixedFlags) != 0) { 4363 return false; 4364 } 4365 4366 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4367 } 4368 4369 @Override 4370 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4371 mContext.enforceCallingOrSelfPermission( 4372 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4373 "addOnPermissionsChangeListener"); 4374 4375 synchronized (mPackages) { 4376 mOnPermissionChangeListeners.addListenerLocked(listener); 4377 } 4378 } 4379 4380 @Override 4381 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4382 synchronized (mPackages) { 4383 mOnPermissionChangeListeners.removeListenerLocked(listener); 4384 } 4385 } 4386 4387 @Override 4388 public boolean isProtectedBroadcast(String actionName) { 4389 synchronized (mPackages) { 4390 if (mProtectedBroadcasts.contains(actionName)) { 4391 return true; 4392 } else if (actionName != null) { 4393 // TODO: remove these terrible hacks 4394 if (actionName.startsWith("android.net.netmon.lingerExpired") 4395 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4396 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4397 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4398 return true; 4399 } 4400 } 4401 } 4402 return false; 4403 } 4404 4405 @Override 4406 public int checkSignatures(String pkg1, String pkg2) { 4407 synchronized (mPackages) { 4408 final PackageParser.Package p1 = mPackages.get(pkg1); 4409 final PackageParser.Package p2 = mPackages.get(pkg2); 4410 if (p1 == null || p1.mExtras == null 4411 || p2 == null || p2.mExtras == null) { 4412 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4413 } 4414 return compareSignatures(p1.mSignatures, p2.mSignatures); 4415 } 4416 } 4417 4418 @Override 4419 public int checkUidSignatures(int uid1, int uid2) { 4420 // Map to base uids. 4421 uid1 = UserHandle.getAppId(uid1); 4422 uid2 = UserHandle.getAppId(uid2); 4423 // reader 4424 synchronized (mPackages) { 4425 Signature[] s1; 4426 Signature[] s2; 4427 Object obj = mSettings.getUserIdLPr(uid1); 4428 if (obj != null) { 4429 if (obj instanceof SharedUserSetting) { 4430 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4431 } else if (obj instanceof PackageSetting) { 4432 s1 = ((PackageSetting)obj).signatures.mSignatures; 4433 } else { 4434 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4435 } 4436 } else { 4437 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4438 } 4439 obj = mSettings.getUserIdLPr(uid2); 4440 if (obj != null) { 4441 if (obj instanceof SharedUserSetting) { 4442 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4443 } else if (obj instanceof PackageSetting) { 4444 s2 = ((PackageSetting)obj).signatures.mSignatures; 4445 } else { 4446 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4447 } 4448 } else { 4449 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4450 } 4451 return compareSignatures(s1, s2); 4452 } 4453 } 4454 4455 /** 4456 * This method should typically only be used when granting or revoking 4457 * permissions, since the app may immediately restart after this call. 4458 * <p> 4459 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4460 * guard your work against the app being relaunched. 4461 */ 4462 private void killUid(int appId, int userId, String reason) { 4463 final long identity = Binder.clearCallingIdentity(); 4464 try { 4465 IActivityManager am = ActivityManagerNative.getDefault(); 4466 if (am != null) { 4467 try { 4468 am.killUid(appId, userId, reason); 4469 } catch (RemoteException e) { 4470 /* ignore - same process */ 4471 } 4472 } 4473 } finally { 4474 Binder.restoreCallingIdentity(identity); 4475 } 4476 } 4477 4478 /** 4479 * Compares two sets of signatures. Returns: 4480 * <br /> 4481 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4482 * <br /> 4483 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4484 * <br /> 4485 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4486 * <br /> 4487 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4488 * <br /> 4489 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4490 */ 4491 static int compareSignatures(Signature[] s1, Signature[] s2) { 4492 if (s1 == null) { 4493 return s2 == null 4494 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4495 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4496 } 4497 4498 if (s2 == null) { 4499 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4500 } 4501 4502 if (s1.length != s2.length) { 4503 return PackageManager.SIGNATURE_NO_MATCH; 4504 } 4505 4506 // Since both signature sets are of size 1, we can compare without HashSets. 4507 if (s1.length == 1) { 4508 return s1[0].equals(s2[0]) ? 4509 PackageManager.SIGNATURE_MATCH : 4510 PackageManager.SIGNATURE_NO_MATCH; 4511 } 4512 4513 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4514 for (Signature sig : s1) { 4515 set1.add(sig); 4516 } 4517 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4518 for (Signature sig : s2) { 4519 set2.add(sig); 4520 } 4521 // Make sure s2 contains all signatures in s1. 4522 if (set1.equals(set2)) { 4523 return PackageManager.SIGNATURE_MATCH; 4524 } 4525 return PackageManager.SIGNATURE_NO_MATCH; 4526 } 4527 4528 /** 4529 * If the database version for this type of package (internal storage or 4530 * external storage) is less than the version where package signatures 4531 * were updated, return true. 4532 */ 4533 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4534 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4535 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4536 } 4537 4538 /** 4539 * Used for backward compatibility to make sure any packages with 4540 * certificate chains get upgraded to the new style. {@code existingSigs} 4541 * will be in the old format (since they were stored on disk from before the 4542 * system upgrade) and {@code scannedSigs} will be in the newer format. 4543 */ 4544 private int compareSignaturesCompat(PackageSignatures existingSigs, 4545 PackageParser.Package scannedPkg) { 4546 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4547 return PackageManager.SIGNATURE_NO_MATCH; 4548 } 4549 4550 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4551 for (Signature sig : existingSigs.mSignatures) { 4552 existingSet.add(sig); 4553 } 4554 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4555 for (Signature sig : scannedPkg.mSignatures) { 4556 try { 4557 Signature[] chainSignatures = sig.getChainSignatures(); 4558 for (Signature chainSig : chainSignatures) { 4559 scannedCompatSet.add(chainSig); 4560 } 4561 } catch (CertificateEncodingException e) { 4562 scannedCompatSet.add(sig); 4563 } 4564 } 4565 /* 4566 * Make sure the expanded scanned set contains all signatures in the 4567 * existing one. 4568 */ 4569 if (scannedCompatSet.equals(existingSet)) { 4570 // Migrate the old signatures to the new scheme. 4571 existingSigs.assignSignatures(scannedPkg.mSignatures); 4572 // The new KeySets will be re-added later in the scanning process. 4573 synchronized (mPackages) { 4574 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4575 } 4576 return PackageManager.SIGNATURE_MATCH; 4577 } 4578 return PackageManager.SIGNATURE_NO_MATCH; 4579 } 4580 4581 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4582 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4583 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4584 } 4585 4586 private int compareSignaturesRecover(PackageSignatures existingSigs, 4587 PackageParser.Package scannedPkg) { 4588 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4589 return PackageManager.SIGNATURE_NO_MATCH; 4590 } 4591 4592 String msg = null; 4593 try { 4594 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4595 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4596 + scannedPkg.packageName); 4597 return PackageManager.SIGNATURE_MATCH; 4598 } 4599 } catch (CertificateException e) { 4600 msg = e.getMessage(); 4601 } 4602 4603 logCriticalInfo(Log.INFO, 4604 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4605 return PackageManager.SIGNATURE_NO_MATCH; 4606 } 4607 4608 @Override 4609 public List<String> getAllPackages() { 4610 synchronized (mPackages) { 4611 return new ArrayList<String>(mPackages.keySet()); 4612 } 4613 } 4614 4615 @Override 4616 public String[] getPackagesForUid(int uid) { 4617 uid = UserHandle.getAppId(uid); 4618 // reader 4619 synchronized (mPackages) { 4620 Object obj = mSettings.getUserIdLPr(uid); 4621 if (obj instanceof SharedUserSetting) { 4622 final SharedUserSetting sus = (SharedUserSetting) obj; 4623 final int N = sus.packages.size(); 4624 final String[] res = new String[N]; 4625 for (int i = 0; i < N; i++) { 4626 res[i] = sus.packages.valueAt(i).name; 4627 } 4628 return res; 4629 } else if (obj instanceof PackageSetting) { 4630 final PackageSetting ps = (PackageSetting) obj; 4631 return new String[] { ps.name }; 4632 } 4633 } 4634 return null; 4635 } 4636 4637 @Override 4638 public String getNameForUid(int uid) { 4639 // reader 4640 synchronized (mPackages) { 4641 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4642 if (obj instanceof SharedUserSetting) { 4643 final SharedUserSetting sus = (SharedUserSetting) obj; 4644 return sus.name + ":" + sus.userId; 4645 } else if (obj instanceof PackageSetting) { 4646 final PackageSetting ps = (PackageSetting) obj; 4647 return ps.name; 4648 } 4649 } 4650 return null; 4651 } 4652 4653 @Override 4654 public int getUidForSharedUser(String sharedUserName) { 4655 if(sharedUserName == null) { 4656 return -1; 4657 } 4658 // reader 4659 synchronized (mPackages) { 4660 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4661 if (suid == null) { 4662 return -1; 4663 } 4664 return suid.userId; 4665 } 4666 } 4667 4668 @Override 4669 public int getFlagsForUid(int uid) { 4670 synchronized (mPackages) { 4671 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4672 if (obj instanceof SharedUserSetting) { 4673 final SharedUserSetting sus = (SharedUserSetting) obj; 4674 return sus.pkgFlags; 4675 } else if (obj instanceof PackageSetting) { 4676 final PackageSetting ps = (PackageSetting) obj; 4677 return ps.pkgFlags; 4678 } 4679 } 4680 return 0; 4681 } 4682 4683 @Override 4684 public int getPrivateFlagsForUid(int uid) { 4685 synchronized (mPackages) { 4686 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4687 if (obj instanceof SharedUserSetting) { 4688 final SharedUserSetting sus = (SharedUserSetting) obj; 4689 return sus.pkgPrivateFlags; 4690 } else if (obj instanceof PackageSetting) { 4691 final PackageSetting ps = (PackageSetting) obj; 4692 return ps.pkgPrivateFlags; 4693 } 4694 } 4695 return 0; 4696 } 4697 4698 @Override 4699 public boolean isUidPrivileged(int uid) { 4700 uid = UserHandle.getAppId(uid); 4701 // reader 4702 synchronized (mPackages) { 4703 Object obj = mSettings.getUserIdLPr(uid); 4704 if (obj instanceof SharedUserSetting) { 4705 final SharedUserSetting sus = (SharedUserSetting) obj; 4706 final Iterator<PackageSetting> it = sus.packages.iterator(); 4707 while (it.hasNext()) { 4708 if (it.next().isPrivileged()) { 4709 return true; 4710 } 4711 } 4712 } else if (obj instanceof PackageSetting) { 4713 final PackageSetting ps = (PackageSetting) obj; 4714 return ps.isPrivileged(); 4715 } 4716 } 4717 return false; 4718 } 4719 4720 @Override 4721 public String[] getAppOpPermissionPackages(String permissionName) { 4722 synchronized (mPackages) { 4723 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4724 if (pkgs == null) { 4725 return null; 4726 } 4727 return pkgs.toArray(new String[pkgs.size()]); 4728 } 4729 } 4730 4731 @Override 4732 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4733 int flags, int userId) { 4734 try { 4735 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4736 4737 if (!sUserManager.exists(userId)) return null; 4738 flags = updateFlagsForResolve(flags, userId, intent); 4739 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4740 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4741 4742 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4743 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4744 flags, userId); 4745 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4746 4747 final ResolveInfo bestChoice = 4748 chooseBestActivity(intent, resolvedType, flags, query, userId); 4749 4750 if (isEphemeralAllowed(intent, query, userId)) { 4751 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4752 final EphemeralResolveInfo ai = 4753 getEphemeralResolveInfo(intent, resolvedType, userId); 4754 if (ai != null) { 4755 if (DEBUG_EPHEMERAL) { 4756 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4757 } 4758 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4759 bestChoice.ephemeralResolveInfo = ai; 4760 } 4761 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4762 } 4763 return bestChoice; 4764 } finally { 4765 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4766 } 4767 } 4768 4769 @Override 4770 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4771 IntentFilter filter, int match, ComponentName activity) { 4772 final int userId = UserHandle.getCallingUserId(); 4773 if (DEBUG_PREFERRED) { 4774 Log.v(TAG, "setLastChosenActivity intent=" + intent 4775 + " resolvedType=" + resolvedType 4776 + " flags=" + flags 4777 + " filter=" + filter 4778 + " match=" + match 4779 + " activity=" + activity); 4780 filter.dump(new PrintStreamPrinter(System.out), " "); 4781 } 4782 intent.setComponent(null); 4783 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4784 userId); 4785 // Find any earlier preferred or last chosen entries and nuke them 4786 findPreferredActivity(intent, resolvedType, 4787 flags, query, 0, false, true, false, userId); 4788 // Add the new activity as the last chosen for this filter 4789 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4790 "Setting last chosen"); 4791 } 4792 4793 @Override 4794 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4795 final int userId = UserHandle.getCallingUserId(); 4796 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4797 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4798 userId); 4799 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4800 false, false, false, userId); 4801 } 4802 4803 4804 private boolean isEphemeralAllowed( 4805 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4806 // Short circuit and return early if possible. 4807 if (DISABLE_EPHEMERAL_APPS) { 4808 return false; 4809 } 4810 final int callingUser = UserHandle.getCallingUserId(); 4811 if (callingUser != UserHandle.USER_SYSTEM) { 4812 return false; 4813 } 4814 if (mEphemeralResolverConnection == null) { 4815 return false; 4816 } 4817 if (intent.getComponent() != null) { 4818 return false; 4819 } 4820 if (intent.getPackage() != null) { 4821 return false; 4822 } 4823 final boolean isWebUri = hasWebURI(intent); 4824 if (!isWebUri) { 4825 return false; 4826 } 4827 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4828 synchronized (mPackages) { 4829 final int count = resolvedActivites.size(); 4830 for (int n = 0; n < count; n++) { 4831 ResolveInfo info = resolvedActivites.get(n); 4832 String packageName = info.activityInfo.packageName; 4833 PackageSetting ps = mSettings.mPackages.get(packageName); 4834 if (ps != null) { 4835 // Try to get the status from User settings first 4836 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4837 int status = (int) (packedStatus >> 32); 4838 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4839 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4840 if (DEBUG_EPHEMERAL) { 4841 Slog.v(TAG, "DENY ephemeral apps;" 4842 + " pkg: " + packageName + ", status: " + status); 4843 } 4844 return false; 4845 } 4846 } 4847 } 4848 } 4849 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4850 return true; 4851 } 4852 4853 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4854 int userId) { 4855 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 4856 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 4857 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 4858 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 4859 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 4860 ephemeralPrefixCount); 4861 final int[] shaPrefix = digest.getDigestPrefix(); 4862 final byte[][] digestBytes = digest.getDigestBytes(); 4863 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4864 mEphemeralResolverConnection.getEphemeralResolveInfoList( 4865 shaPrefix, ephemeralPrefixMask); 4866 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4867 // No hash prefix match; there are no ephemeral apps for this domain. 4868 return null; 4869 } 4870 4871 // Go in reverse order so we match the narrowest scope first. 4872 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 4873 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 4874 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 4875 continue; 4876 } 4877 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4878 // No filters; this should never happen. 4879 if (filters.isEmpty()) { 4880 continue; 4881 } 4882 // We have a domain match; resolve the filters to see if anything matches. 4883 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4884 for (int j = filters.size() - 1; j >= 0; --j) { 4885 final EphemeralResolveIntentInfo intentInfo = 4886 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4887 ephemeralResolver.addFilter(intentInfo); 4888 } 4889 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4890 intent, resolvedType, false /*defaultOnly*/, userId); 4891 if (!matchedResolveInfoList.isEmpty()) { 4892 return matchedResolveInfoList.get(0); 4893 } 4894 } 4895 } 4896 // Hash or filter mis-match; no ephemeral apps for this domain. 4897 return null; 4898 } 4899 4900 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4901 int flags, List<ResolveInfo> query, int userId) { 4902 if (query != null) { 4903 final int N = query.size(); 4904 if (N == 1) { 4905 return query.get(0); 4906 } else if (N > 1) { 4907 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4908 // If there is more than one activity with the same priority, 4909 // then let the user decide between them. 4910 ResolveInfo r0 = query.get(0); 4911 ResolveInfo r1 = query.get(1); 4912 if (DEBUG_INTENT_MATCHING || debug) { 4913 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4914 + r1.activityInfo.name + "=" + r1.priority); 4915 } 4916 // If the first activity has a higher priority, or a different 4917 // default, then it is always desirable to pick it. 4918 if (r0.priority != r1.priority 4919 || r0.preferredOrder != r1.preferredOrder 4920 || r0.isDefault != r1.isDefault) { 4921 return query.get(0); 4922 } 4923 // If we have saved a preference for a preferred activity for 4924 // this Intent, use that. 4925 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4926 flags, query, r0.priority, true, false, debug, userId); 4927 if (ri != null) { 4928 return ri; 4929 } 4930 ri = new ResolveInfo(mResolveInfo); 4931 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4932 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4933 // If all of the options come from the same package, show the application's 4934 // label and icon instead of the generic resolver's. 4935 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 4936 // and then throw away the ResolveInfo itself, meaning that the caller loses 4937 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 4938 // a fallback for this case; we only set the target package's resources on 4939 // the ResolveInfo, not the ActivityInfo. 4940 final String intentPackage = intent.getPackage(); 4941 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 4942 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 4943 ri.resolvePackageName = intentPackage; 4944 if (userNeedsBadging(userId)) { 4945 ri.noResourceId = true; 4946 } else { 4947 ri.icon = appi.icon; 4948 } 4949 ri.iconResourceId = appi.icon; 4950 ri.labelRes = appi.labelRes; 4951 } 4952 ri.activityInfo.applicationInfo = new ApplicationInfo( 4953 ri.activityInfo.applicationInfo); 4954 if (userId != 0) { 4955 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4956 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4957 } 4958 // Make sure that the resolver is displayable in car mode 4959 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4960 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4961 return ri; 4962 } 4963 } 4964 return null; 4965 } 4966 4967 /** 4968 * Return true if the given list is not empty and all of its contents have 4969 * an activityInfo with the given package name. 4970 */ 4971 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 4972 if (ArrayUtils.isEmpty(list)) { 4973 return false; 4974 } 4975 for (int i = 0, N = list.size(); i < N; i++) { 4976 final ResolveInfo ri = list.get(i); 4977 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 4978 if (ai == null || !packageName.equals(ai.packageName)) { 4979 return false; 4980 } 4981 } 4982 return true; 4983 } 4984 4985 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4986 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4987 final int N = query.size(); 4988 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4989 .get(userId); 4990 // Get the list of persistent preferred activities that handle the intent 4991 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4992 List<PersistentPreferredActivity> pprefs = ppir != null 4993 ? ppir.queryIntent(intent, resolvedType, 4994 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4995 : null; 4996 if (pprefs != null && pprefs.size() > 0) { 4997 final int M = pprefs.size(); 4998 for (int i=0; i<M; i++) { 4999 final PersistentPreferredActivity ppa = pprefs.get(i); 5000 if (DEBUG_PREFERRED || debug) { 5001 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5002 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5003 + "\n component=" + ppa.mComponent); 5004 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5005 } 5006 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5007 flags | MATCH_DISABLED_COMPONENTS, userId); 5008 if (DEBUG_PREFERRED || debug) { 5009 Slog.v(TAG, "Found persistent preferred activity:"); 5010 if (ai != null) { 5011 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5012 } else { 5013 Slog.v(TAG, " null"); 5014 } 5015 } 5016 if (ai == null) { 5017 // This previously registered persistent preferred activity 5018 // component is no longer known. Ignore it and do NOT remove it. 5019 continue; 5020 } 5021 for (int j=0; j<N; j++) { 5022 final ResolveInfo ri = query.get(j); 5023 if (!ri.activityInfo.applicationInfo.packageName 5024 .equals(ai.applicationInfo.packageName)) { 5025 continue; 5026 } 5027 if (!ri.activityInfo.name.equals(ai.name)) { 5028 continue; 5029 } 5030 // Found a persistent preference that can handle the intent. 5031 if (DEBUG_PREFERRED || debug) { 5032 Slog.v(TAG, "Returning persistent preferred activity: " + 5033 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5034 } 5035 return ri; 5036 } 5037 } 5038 } 5039 return null; 5040 } 5041 5042 // TODO: handle preferred activities missing while user has amnesia 5043 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5044 List<ResolveInfo> query, int priority, boolean always, 5045 boolean removeMatches, boolean debug, int userId) { 5046 if (!sUserManager.exists(userId)) return null; 5047 flags = updateFlagsForResolve(flags, userId, intent); 5048 // writer 5049 synchronized (mPackages) { 5050 if (intent.getSelector() != null) { 5051 intent = intent.getSelector(); 5052 } 5053 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5054 5055 // Try to find a matching persistent preferred activity. 5056 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5057 debug, userId); 5058 5059 // If a persistent preferred activity matched, use it. 5060 if (pri != null) { 5061 return pri; 5062 } 5063 5064 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5065 // Get the list of preferred activities that handle the intent 5066 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5067 List<PreferredActivity> prefs = pir != null 5068 ? pir.queryIntent(intent, resolvedType, 5069 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5070 : null; 5071 if (prefs != null && prefs.size() > 0) { 5072 boolean changed = false; 5073 try { 5074 // First figure out how good the original match set is. 5075 // We will only allow preferred activities that came 5076 // from the same match quality. 5077 int match = 0; 5078 5079 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5080 5081 final int N = query.size(); 5082 for (int j=0; j<N; j++) { 5083 final ResolveInfo ri = query.get(j); 5084 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5085 + ": 0x" + Integer.toHexString(match)); 5086 if (ri.match > match) { 5087 match = ri.match; 5088 } 5089 } 5090 5091 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5092 + Integer.toHexString(match)); 5093 5094 match &= IntentFilter.MATCH_CATEGORY_MASK; 5095 final int M = prefs.size(); 5096 for (int i=0; i<M; i++) { 5097 final PreferredActivity pa = prefs.get(i); 5098 if (DEBUG_PREFERRED || debug) { 5099 Slog.v(TAG, "Checking PreferredActivity ds=" 5100 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5101 + "\n component=" + pa.mPref.mComponent); 5102 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5103 } 5104 if (pa.mPref.mMatch != match) { 5105 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5106 + Integer.toHexString(pa.mPref.mMatch)); 5107 continue; 5108 } 5109 // If it's not an "always" type preferred activity and that's what we're 5110 // looking for, skip it. 5111 if (always && !pa.mPref.mAlways) { 5112 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5113 continue; 5114 } 5115 final ActivityInfo ai = getActivityInfo( 5116 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5117 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5118 userId); 5119 if (DEBUG_PREFERRED || debug) { 5120 Slog.v(TAG, "Found preferred activity:"); 5121 if (ai != null) { 5122 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5123 } else { 5124 Slog.v(TAG, " null"); 5125 } 5126 } 5127 if (ai == null) { 5128 // This previously registered preferred activity 5129 // component is no longer known. Most likely an update 5130 // to the app was installed and in the new version this 5131 // component no longer exists. Clean it up by removing 5132 // it from the preferred activities list, and skip it. 5133 Slog.w(TAG, "Removing dangling preferred activity: " 5134 + pa.mPref.mComponent); 5135 pir.removeFilter(pa); 5136 changed = true; 5137 continue; 5138 } 5139 for (int j=0; j<N; j++) { 5140 final ResolveInfo ri = query.get(j); 5141 if (!ri.activityInfo.applicationInfo.packageName 5142 .equals(ai.applicationInfo.packageName)) { 5143 continue; 5144 } 5145 if (!ri.activityInfo.name.equals(ai.name)) { 5146 continue; 5147 } 5148 5149 if (removeMatches) { 5150 pir.removeFilter(pa); 5151 changed = true; 5152 if (DEBUG_PREFERRED) { 5153 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5154 } 5155 break; 5156 } 5157 5158 // Okay we found a previously set preferred or last chosen app. 5159 // If the result set is different from when this 5160 // was created, we need to clear it and re-ask the 5161 // user their preference, if we're looking for an "always" type entry. 5162 if (always && !pa.mPref.sameSet(query)) { 5163 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5164 + intent + " type " + resolvedType); 5165 if (DEBUG_PREFERRED) { 5166 Slog.v(TAG, "Removing preferred activity since set changed " 5167 + pa.mPref.mComponent); 5168 } 5169 pir.removeFilter(pa); 5170 // Re-add the filter as a "last chosen" entry (!always) 5171 PreferredActivity lastChosen = new PreferredActivity( 5172 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5173 pir.addFilter(lastChosen); 5174 changed = true; 5175 return null; 5176 } 5177 5178 // Yay! Either the set matched or we're looking for the last chosen 5179 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5180 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5181 return ri; 5182 } 5183 } 5184 } finally { 5185 if (changed) { 5186 if (DEBUG_PREFERRED) { 5187 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5188 } 5189 scheduleWritePackageRestrictionsLocked(userId); 5190 } 5191 } 5192 } 5193 } 5194 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5195 return null; 5196 } 5197 5198 /* 5199 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5200 */ 5201 @Override 5202 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5203 int targetUserId) { 5204 mContext.enforceCallingOrSelfPermission( 5205 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5206 List<CrossProfileIntentFilter> matches = 5207 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5208 if (matches != null) { 5209 int size = matches.size(); 5210 for (int i = 0; i < size; i++) { 5211 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5212 } 5213 } 5214 if (hasWebURI(intent)) { 5215 // cross-profile app linking works only towards the parent. 5216 final UserInfo parent = getProfileParent(sourceUserId); 5217 synchronized(mPackages) { 5218 int flags = updateFlagsForResolve(0, parent.id, intent); 5219 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5220 intent, resolvedType, flags, sourceUserId, parent.id); 5221 return xpDomainInfo != null; 5222 } 5223 } 5224 return false; 5225 } 5226 5227 private UserInfo getProfileParent(int userId) { 5228 final long identity = Binder.clearCallingIdentity(); 5229 try { 5230 return sUserManager.getProfileParent(userId); 5231 } finally { 5232 Binder.restoreCallingIdentity(identity); 5233 } 5234 } 5235 5236 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5237 String resolvedType, int userId) { 5238 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5239 if (resolver != null) { 5240 return resolver.queryIntent(intent, resolvedType, false, userId); 5241 } 5242 return null; 5243 } 5244 5245 @Override 5246 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5247 String resolvedType, int flags, int userId) { 5248 try { 5249 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5250 5251 return new ParceledListSlice<>( 5252 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5253 } finally { 5254 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5255 } 5256 } 5257 5258 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5259 String resolvedType, int flags, int userId) { 5260 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5261 flags = updateFlagsForResolve(flags, userId, intent); 5262 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5263 false /* requireFullPermission */, false /* checkShell */, 5264 "query intent activities"); 5265 ComponentName comp = intent.getComponent(); 5266 if (comp == null) { 5267 if (intent.getSelector() != null) { 5268 intent = intent.getSelector(); 5269 comp = intent.getComponent(); 5270 } 5271 } 5272 5273 if (comp != null) { 5274 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5275 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5276 if (ai != null) { 5277 final ResolveInfo ri = new ResolveInfo(); 5278 ri.activityInfo = ai; 5279 list.add(ri); 5280 } 5281 return list; 5282 } 5283 5284 // reader 5285 synchronized (mPackages) { 5286 final String pkgName = intent.getPackage(); 5287 if (pkgName == null) { 5288 List<CrossProfileIntentFilter> matchingFilters = 5289 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5290 // Check for results that need to skip the current profile. 5291 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5292 resolvedType, flags, userId); 5293 if (xpResolveInfo != null) { 5294 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5295 result.add(xpResolveInfo); 5296 return filterIfNotSystemUser(result, userId); 5297 } 5298 5299 // Check for results in the current profile. 5300 List<ResolveInfo> result = mActivities.queryIntent( 5301 intent, resolvedType, flags, userId); 5302 result = filterIfNotSystemUser(result, userId); 5303 5304 // Check for cross profile results. 5305 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5306 xpResolveInfo = queryCrossProfileIntents( 5307 matchingFilters, intent, resolvedType, flags, userId, 5308 hasNonNegativePriorityResult); 5309 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5310 boolean isVisibleToUser = filterIfNotSystemUser( 5311 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5312 if (isVisibleToUser) { 5313 result.add(xpResolveInfo); 5314 Collections.sort(result, mResolvePrioritySorter); 5315 } 5316 } 5317 if (hasWebURI(intent)) { 5318 CrossProfileDomainInfo xpDomainInfo = null; 5319 final UserInfo parent = getProfileParent(userId); 5320 if (parent != null) { 5321 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5322 flags, userId, parent.id); 5323 } 5324 if (xpDomainInfo != null) { 5325 if (xpResolveInfo != null) { 5326 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5327 // in the result. 5328 result.remove(xpResolveInfo); 5329 } 5330 if (result.size() == 0) { 5331 result.add(xpDomainInfo.resolveInfo); 5332 return result; 5333 } 5334 } else if (result.size() <= 1) { 5335 return result; 5336 } 5337 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5338 xpDomainInfo, userId); 5339 Collections.sort(result, mResolvePrioritySorter); 5340 } 5341 return result; 5342 } 5343 final PackageParser.Package pkg = mPackages.get(pkgName); 5344 if (pkg != null) { 5345 return filterIfNotSystemUser( 5346 mActivities.queryIntentForPackage( 5347 intent, resolvedType, flags, pkg.activities, userId), 5348 userId); 5349 } 5350 return new ArrayList<ResolveInfo>(); 5351 } 5352 } 5353 5354 private static class CrossProfileDomainInfo { 5355 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5356 ResolveInfo resolveInfo; 5357 /* Best domain verification status of the activities found in the other profile */ 5358 int bestDomainVerificationStatus; 5359 } 5360 5361 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5362 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5363 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5364 sourceUserId)) { 5365 return null; 5366 } 5367 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5368 resolvedType, flags, parentUserId); 5369 5370 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5371 return null; 5372 } 5373 CrossProfileDomainInfo result = null; 5374 int size = resultTargetUser.size(); 5375 for (int i = 0; i < size; i++) { 5376 ResolveInfo riTargetUser = resultTargetUser.get(i); 5377 // Intent filter verification is only for filters that specify a host. So don't return 5378 // those that handle all web uris. 5379 if (riTargetUser.handleAllWebDataURI) { 5380 continue; 5381 } 5382 String packageName = riTargetUser.activityInfo.packageName; 5383 PackageSetting ps = mSettings.mPackages.get(packageName); 5384 if (ps == null) { 5385 continue; 5386 } 5387 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5388 int status = (int)(verificationState >> 32); 5389 if (result == null) { 5390 result = new CrossProfileDomainInfo(); 5391 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5392 sourceUserId, parentUserId); 5393 result.bestDomainVerificationStatus = status; 5394 } else { 5395 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5396 result.bestDomainVerificationStatus); 5397 } 5398 } 5399 // Don't consider matches with status NEVER across profiles. 5400 if (result != null && result.bestDomainVerificationStatus 5401 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5402 return null; 5403 } 5404 return result; 5405 } 5406 5407 /** 5408 * Verification statuses are ordered from the worse to the best, except for 5409 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5410 */ 5411 private int bestDomainVerificationStatus(int status1, int status2) { 5412 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5413 return status2; 5414 } 5415 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5416 return status1; 5417 } 5418 return (int) MathUtils.max(status1, status2); 5419 } 5420 5421 private boolean isUserEnabled(int userId) { 5422 long callingId = Binder.clearCallingIdentity(); 5423 try { 5424 UserInfo userInfo = sUserManager.getUserInfo(userId); 5425 return userInfo != null && userInfo.isEnabled(); 5426 } finally { 5427 Binder.restoreCallingIdentity(callingId); 5428 } 5429 } 5430 5431 /** 5432 * Filter out activities with systemUserOnly flag set, when current user is not System. 5433 * 5434 * @return filtered list 5435 */ 5436 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5437 if (userId == UserHandle.USER_SYSTEM) { 5438 return resolveInfos; 5439 } 5440 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5441 ResolveInfo info = resolveInfos.get(i); 5442 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5443 resolveInfos.remove(i); 5444 } 5445 } 5446 return resolveInfos; 5447 } 5448 5449 /** 5450 * @param resolveInfos list of resolve infos in descending priority order 5451 * @return if the list contains a resolve info with non-negative priority 5452 */ 5453 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5454 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5455 } 5456 5457 private static boolean hasWebURI(Intent intent) { 5458 if (intent.getData() == null) { 5459 return false; 5460 } 5461 final String scheme = intent.getScheme(); 5462 if (TextUtils.isEmpty(scheme)) { 5463 return false; 5464 } 5465 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5466 } 5467 5468 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5469 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5470 int userId) { 5471 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5472 5473 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5474 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5475 candidates.size()); 5476 } 5477 5478 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5479 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5480 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5481 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5482 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5483 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5484 5485 synchronized (mPackages) { 5486 final int count = candidates.size(); 5487 // First, try to use linked apps. Partition the candidates into four lists: 5488 // one for the final results, one for the "do not use ever", one for "undefined status" 5489 // and finally one for "browser app type". 5490 for (int n=0; n<count; n++) { 5491 ResolveInfo info = candidates.get(n); 5492 String packageName = info.activityInfo.packageName; 5493 PackageSetting ps = mSettings.mPackages.get(packageName); 5494 if (ps != null) { 5495 // Add to the special match all list (Browser use case) 5496 if (info.handleAllWebDataURI) { 5497 matchAllList.add(info); 5498 continue; 5499 } 5500 // Try to get the status from User settings first 5501 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5502 int status = (int)(packedStatus >> 32); 5503 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5504 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5505 if (DEBUG_DOMAIN_VERIFICATION) { 5506 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5507 + " : linkgen=" + linkGeneration); 5508 } 5509 // Use link-enabled generation as preferredOrder, i.e. 5510 // prefer newly-enabled over earlier-enabled. 5511 info.preferredOrder = linkGeneration; 5512 alwaysList.add(info); 5513 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5514 if (DEBUG_DOMAIN_VERIFICATION) { 5515 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5516 } 5517 neverList.add(info); 5518 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5519 if (DEBUG_DOMAIN_VERIFICATION) { 5520 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5521 } 5522 alwaysAskList.add(info); 5523 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5524 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5525 if (DEBUG_DOMAIN_VERIFICATION) { 5526 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5527 } 5528 undefinedList.add(info); 5529 } 5530 } 5531 } 5532 5533 // We'll want to include browser possibilities in a few cases 5534 boolean includeBrowser = false; 5535 5536 // First try to add the "always" resolution(s) for the current user, if any 5537 if (alwaysList.size() > 0) { 5538 result.addAll(alwaysList); 5539 } else { 5540 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5541 result.addAll(undefinedList); 5542 // Maybe add one for the other profile. 5543 if (xpDomainInfo != null && ( 5544 xpDomainInfo.bestDomainVerificationStatus 5545 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5546 result.add(xpDomainInfo.resolveInfo); 5547 } 5548 includeBrowser = true; 5549 } 5550 5551 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5552 // If there were 'always' entries their preferred order has been set, so we also 5553 // back that off to make the alternatives equivalent 5554 if (alwaysAskList.size() > 0) { 5555 for (ResolveInfo i : result) { 5556 i.preferredOrder = 0; 5557 } 5558 result.addAll(alwaysAskList); 5559 includeBrowser = true; 5560 } 5561 5562 if (includeBrowser) { 5563 // Also add browsers (all of them or only the default one) 5564 if (DEBUG_DOMAIN_VERIFICATION) { 5565 Slog.v(TAG, " ...including browsers in candidate set"); 5566 } 5567 if ((matchFlags & MATCH_ALL) != 0) { 5568 result.addAll(matchAllList); 5569 } else { 5570 // Browser/generic handling case. If there's a default browser, go straight 5571 // to that (but only if there is no other higher-priority match). 5572 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5573 int maxMatchPrio = 0; 5574 ResolveInfo defaultBrowserMatch = null; 5575 final int numCandidates = matchAllList.size(); 5576 for (int n = 0; n < numCandidates; n++) { 5577 ResolveInfo info = matchAllList.get(n); 5578 // track the highest overall match priority... 5579 if (info.priority > maxMatchPrio) { 5580 maxMatchPrio = info.priority; 5581 } 5582 // ...and the highest-priority default browser match 5583 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5584 if (defaultBrowserMatch == null 5585 || (defaultBrowserMatch.priority < info.priority)) { 5586 if (debug) { 5587 Slog.v(TAG, "Considering default browser match " + info); 5588 } 5589 defaultBrowserMatch = info; 5590 } 5591 } 5592 } 5593 if (defaultBrowserMatch != null 5594 && defaultBrowserMatch.priority >= maxMatchPrio 5595 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5596 { 5597 if (debug) { 5598 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5599 } 5600 result.add(defaultBrowserMatch); 5601 } else { 5602 result.addAll(matchAllList); 5603 } 5604 } 5605 5606 // If there is nothing selected, add all candidates and remove the ones that the user 5607 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5608 if (result.size() == 0) { 5609 result.addAll(candidates); 5610 result.removeAll(neverList); 5611 } 5612 } 5613 } 5614 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5615 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5616 result.size()); 5617 for (ResolveInfo info : result) { 5618 Slog.v(TAG, " + " + info.activityInfo); 5619 } 5620 } 5621 return result; 5622 } 5623 5624 // Returns a packed value as a long: 5625 // 5626 // high 'int'-sized word: link status: undefined/ask/never/always. 5627 // low 'int'-sized word: relative priority among 'always' results. 5628 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5629 long result = ps.getDomainVerificationStatusForUser(userId); 5630 // if none available, get the master status 5631 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5632 if (ps.getIntentFilterVerificationInfo() != null) { 5633 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5634 } 5635 } 5636 return result; 5637 } 5638 5639 private ResolveInfo querySkipCurrentProfileIntents( 5640 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5641 int flags, int sourceUserId) { 5642 if (matchingFilters != null) { 5643 int size = matchingFilters.size(); 5644 for (int i = 0; i < size; i ++) { 5645 CrossProfileIntentFilter filter = matchingFilters.get(i); 5646 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5647 // Checking if there are activities in the target user that can handle the 5648 // intent. 5649 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5650 resolvedType, flags, sourceUserId); 5651 if (resolveInfo != null) { 5652 return resolveInfo; 5653 } 5654 } 5655 } 5656 } 5657 return null; 5658 } 5659 5660 // Return matching ResolveInfo in target user if any. 5661 private ResolveInfo queryCrossProfileIntents( 5662 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5663 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5664 if (matchingFilters != null) { 5665 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5666 // match the same intent. For performance reasons, it is better not to 5667 // run queryIntent twice for the same userId 5668 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5669 int size = matchingFilters.size(); 5670 for (int i = 0; i < size; i++) { 5671 CrossProfileIntentFilter filter = matchingFilters.get(i); 5672 int targetUserId = filter.getTargetUserId(); 5673 boolean skipCurrentProfile = 5674 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5675 boolean skipCurrentProfileIfNoMatchFound = 5676 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5677 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5678 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5679 // Checking if there are activities in the target user that can handle the 5680 // intent. 5681 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5682 resolvedType, flags, sourceUserId); 5683 if (resolveInfo != null) return resolveInfo; 5684 alreadyTriedUserIds.put(targetUserId, true); 5685 } 5686 } 5687 } 5688 return null; 5689 } 5690 5691 /** 5692 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5693 * will forward the intent to the filter's target user. 5694 * Otherwise, returns null. 5695 */ 5696 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5697 String resolvedType, int flags, int sourceUserId) { 5698 int targetUserId = filter.getTargetUserId(); 5699 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5700 resolvedType, flags, targetUserId); 5701 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5702 // If all the matches in the target profile are suspended, return null. 5703 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5704 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5705 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5706 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5707 targetUserId); 5708 } 5709 } 5710 } 5711 return null; 5712 } 5713 5714 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5715 int sourceUserId, int targetUserId) { 5716 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5717 long ident = Binder.clearCallingIdentity(); 5718 boolean targetIsProfile; 5719 try { 5720 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5721 } finally { 5722 Binder.restoreCallingIdentity(ident); 5723 } 5724 String className; 5725 if (targetIsProfile) { 5726 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5727 } else { 5728 className = FORWARD_INTENT_TO_PARENT; 5729 } 5730 ComponentName forwardingActivityComponentName = new ComponentName( 5731 mAndroidApplication.packageName, className); 5732 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5733 sourceUserId); 5734 if (!targetIsProfile) { 5735 forwardingActivityInfo.showUserIcon = targetUserId; 5736 forwardingResolveInfo.noResourceId = true; 5737 } 5738 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5739 forwardingResolveInfo.priority = 0; 5740 forwardingResolveInfo.preferredOrder = 0; 5741 forwardingResolveInfo.match = 0; 5742 forwardingResolveInfo.isDefault = true; 5743 forwardingResolveInfo.filter = filter; 5744 forwardingResolveInfo.targetUserId = targetUserId; 5745 return forwardingResolveInfo; 5746 } 5747 5748 @Override 5749 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5750 Intent[] specifics, String[] specificTypes, Intent intent, 5751 String resolvedType, int flags, int userId) { 5752 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5753 specificTypes, intent, resolvedType, flags, userId)); 5754 } 5755 5756 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5757 Intent[] specifics, String[] specificTypes, Intent intent, 5758 String resolvedType, int flags, int userId) { 5759 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5760 flags = updateFlagsForResolve(flags, userId, intent); 5761 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5762 false /* requireFullPermission */, false /* checkShell */, 5763 "query intent activity options"); 5764 final String resultsAction = intent.getAction(); 5765 5766 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5767 | PackageManager.GET_RESOLVED_FILTER, userId); 5768 5769 if (DEBUG_INTENT_MATCHING) { 5770 Log.v(TAG, "Query " + intent + ": " + results); 5771 } 5772 5773 int specificsPos = 0; 5774 int N; 5775 5776 // todo: note that the algorithm used here is O(N^2). This 5777 // isn't a problem in our current environment, but if we start running 5778 // into situations where we have more than 5 or 10 matches then this 5779 // should probably be changed to something smarter... 5780 5781 // First we go through and resolve each of the specific items 5782 // that were supplied, taking care of removing any corresponding 5783 // duplicate items in the generic resolve list. 5784 if (specifics != null) { 5785 for (int i=0; i<specifics.length; i++) { 5786 final Intent sintent = specifics[i]; 5787 if (sintent == null) { 5788 continue; 5789 } 5790 5791 if (DEBUG_INTENT_MATCHING) { 5792 Log.v(TAG, "Specific #" + i + ": " + sintent); 5793 } 5794 5795 String action = sintent.getAction(); 5796 if (resultsAction != null && resultsAction.equals(action)) { 5797 // If this action was explicitly requested, then don't 5798 // remove things that have it. 5799 action = null; 5800 } 5801 5802 ResolveInfo ri = null; 5803 ActivityInfo ai = null; 5804 5805 ComponentName comp = sintent.getComponent(); 5806 if (comp == null) { 5807 ri = resolveIntent( 5808 sintent, 5809 specificTypes != null ? specificTypes[i] : null, 5810 flags, userId); 5811 if (ri == null) { 5812 continue; 5813 } 5814 if (ri == mResolveInfo) { 5815 // ACK! Must do something better with this. 5816 } 5817 ai = ri.activityInfo; 5818 comp = new ComponentName(ai.applicationInfo.packageName, 5819 ai.name); 5820 } else { 5821 ai = getActivityInfo(comp, flags, userId); 5822 if (ai == null) { 5823 continue; 5824 } 5825 } 5826 5827 // Look for any generic query activities that are duplicates 5828 // of this specific one, and remove them from the results. 5829 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5830 N = results.size(); 5831 int j; 5832 for (j=specificsPos; j<N; j++) { 5833 ResolveInfo sri = results.get(j); 5834 if ((sri.activityInfo.name.equals(comp.getClassName()) 5835 && sri.activityInfo.applicationInfo.packageName.equals( 5836 comp.getPackageName())) 5837 || (action != null && sri.filter.matchAction(action))) { 5838 results.remove(j); 5839 if (DEBUG_INTENT_MATCHING) Log.v( 5840 TAG, "Removing duplicate item from " + j 5841 + " due to specific " + specificsPos); 5842 if (ri == null) { 5843 ri = sri; 5844 } 5845 j--; 5846 N--; 5847 } 5848 } 5849 5850 // Add this specific item to its proper place. 5851 if (ri == null) { 5852 ri = new ResolveInfo(); 5853 ri.activityInfo = ai; 5854 } 5855 results.add(specificsPos, ri); 5856 ri.specificIndex = i; 5857 specificsPos++; 5858 } 5859 } 5860 5861 // Now we go through the remaining generic results and remove any 5862 // duplicate actions that are found here. 5863 N = results.size(); 5864 for (int i=specificsPos; i<N-1; i++) { 5865 final ResolveInfo rii = results.get(i); 5866 if (rii.filter == null) { 5867 continue; 5868 } 5869 5870 // Iterate over all of the actions of this result's intent 5871 // filter... typically this should be just one. 5872 final Iterator<String> it = rii.filter.actionsIterator(); 5873 if (it == null) { 5874 continue; 5875 } 5876 while (it.hasNext()) { 5877 final String action = it.next(); 5878 if (resultsAction != null && resultsAction.equals(action)) { 5879 // If this action was explicitly requested, then don't 5880 // remove things that have it. 5881 continue; 5882 } 5883 for (int j=i+1; j<N; j++) { 5884 final ResolveInfo rij = results.get(j); 5885 if (rij.filter != null && rij.filter.hasAction(action)) { 5886 results.remove(j); 5887 if (DEBUG_INTENT_MATCHING) Log.v( 5888 TAG, "Removing duplicate item from " + j 5889 + " due to action " + action + " at " + i); 5890 j--; 5891 N--; 5892 } 5893 } 5894 } 5895 5896 // If the caller didn't request filter information, drop it now 5897 // so we don't have to marshall/unmarshall it. 5898 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5899 rii.filter = null; 5900 } 5901 } 5902 5903 // Filter out the caller activity if so requested. 5904 if (caller != null) { 5905 N = results.size(); 5906 for (int i=0; i<N; i++) { 5907 ActivityInfo ainfo = results.get(i).activityInfo; 5908 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5909 && caller.getClassName().equals(ainfo.name)) { 5910 results.remove(i); 5911 break; 5912 } 5913 } 5914 } 5915 5916 // If the caller didn't request filter information, 5917 // drop them now so we don't have to 5918 // marshall/unmarshall it. 5919 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5920 N = results.size(); 5921 for (int i=0; i<N; i++) { 5922 results.get(i).filter = null; 5923 } 5924 } 5925 5926 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5927 return results; 5928 } 5929 5930 @Override 5931 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5932 String resolvedType, int flags, int userId) { 5933 return new ParceledListSlice<>( 5934 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5935 } 5936 5937 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5938 String resolvedType, int flags, int userId) { 5939 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5940 flags = updateFlagsForResolve(flags, userId, intent); 5941 ComponentName comp = intent.getComponent(); 5942 if (comp == null) { 5943 if (intent.getSelector() != null) { 5944 intent = intent.getSelector(); 5945 comp = intent.getComponent(); 5946 } 5947 } 5948 if (comp != null) { 5949 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5950 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5951 if (ai != null) { 5952 ResolveInfo ri = new ResolveInfo(); 5953 ri.activityInfo = ai; 5954 list.add(ri); 5955 } 5956 return list; 5957 } 5958 5959 // reader 5960 synchronized (mPackages) { 5961 String pkgName = intent.getPackage(); 5962 if (pkgName == null) { 5963 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5964 } 5965 final PackageParser.Package pkg = mPackages.get(pkgName); 5966 if (pkg != null) { 5967 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5968 userId); 5969 } 5970 return Collections.emptyList(); 5971 } 5972 } 5973 5974 @Override 5975 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5976 if (!sUserManager.exists(userId)) return null; 5977 flags = updateFlagsForResolve(flags, userId, intent); 5978 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5979 if (query != null) { 5980 if (query.size() >= 1) { 5981 // If there is more than one service with the same priority, 5982 // just arbitrarily pick the first one. 5983 return query.get(0); 5984 } 5985 } 5986 return null; 5987 } 5988 5989 @Override 5990 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5991 String resolvedType, int flags, int userId) { 5992 return new ParceledListSlice<>( 5993 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5994 } 5995 5996 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5997 String resolvedType, int flags, int userId) { 5998 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5999 flags = updateFlagsForResolve(flags, userId, intent); 6000 ComponentName comp = intent.getComponent(); 6001 if (comp == null) { 6002 if (intent.getSelector() != null) { 6003 intent = intent.getSelector(); 6004 comp = intent.getComponent(); 6005 } 6006 } 6007 if (comp != null) { 6008 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6009 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6010 if (si != null) { 6011 final ResolveInfo ri = new ResolveInfo(); 6012 ri.serviceInfo = si; 6013 list.add(ri); 6014 } 6015 return list; 6016 } 6017 6018 // reader 6019 synchronized (mPackages) { 6020 String pkgName = intent.getPackage(); 6021 if (pkgName == null) { 6022 return mServices.queryIntent(intent, resolvedType, flags, userId); 6023 } 6024 final PackageParser.Package pkg = mPackages.get(pkgName); 6025 if (pkg != null) { 6026 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6027 userId); 6028 } 6029 return Collections.emptyList(); 6030 } 6031 } 6032 6033 @Override 6034 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6035 String resolvedType, int flags, int userId) { 6036 return new ParceledListSlice<>( 6037 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6038 } 6039 6040 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6041 Intent intent, String resolvedType, int flags, int userId) { 6042 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6043 flags = updateFlagsForResolve(flags, userId, intent); 6044 ComponentName comp = intent.getComponent(); 6045 if (comp == null) { 6046 if (intent.getSelector() != null) { 6047 intent = intent.getSelector(); 6048 comp = intent.getComponent(); 6049 } 6050 } 6051 if (comp != null) { 6052 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6053 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6054 if (pi != null) { 6055 final ResolveInfo ri = new ResolveInfo(); 6056 ri.providerInfo = pi; 6057 list.add(ri); 6058 } 6059 return list; 6060 } 6061 6062 // reader 6063 synchronized (mPackages) { 6064 String pkgName = intent.getPackage(); 6065 if (pkgName == null) { 6066 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6067 } 6068 final PackageParser.Package pkg = mPackages.get(pkgName); 6069 if (pkg != null) { 6070 return mProviders.queryIntentForPackage( 6071 intent, resolvedType, flags, pkg.providers, userId); 6072 } 6073 return Collections.emptyList(); 6074 } 6075 } 6076 6077 @Override 6078 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6079 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6080 flags = updateFlagsForPackage(flags, userId, null); 6081 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6082 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6083 true /* requireFullPermission */, false /* checkShell */, 6084 "get installed packages"); 6085 6086 // writer 6087 synchronized (mPackages) { 6088 ArrayList<PackageInfo> list; 6089 if (listUninstalled) { 6090 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6091 for (PackageSetting ps : mSettings.mPackages.values()) { 6092 final PackageInfo pi; 6093 if (ps.pkg != null) { 6094 pi = generatePackageInfo(ps, flags, userId); 6095 } else { 6096 pi = generatePackageInfo(ps, flags, userId); 6097 } 6098 if (pi != null) { 6099 list.add(pi); 6100 } 6101 } 6102 } else { 6103 list = new ArrayList<PackageInfo>(mPackages.size()); 6104 for (PackageParser.Package p : mPackages.values()) { 6105 final PackageInfo pi = 6106 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6107 if (pi != null) { 6108 list.add(pi); 6109 } 6110 } 6111 } 6112 6113 return new ParceledListSlice<PackageInfo>(list); 6114 } 6115 } 6116 6117 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6118 String[] permissions, boolean[] tmp, int flags, int userId) { 6119 int numMatch = 0; 6120 final PermissionsState permissionsState = ps.getPermissionsState(); 6121 for (int i=0; i<permissions.length; i++) { 6122 final String permission = permissions[i]; 6123 if (permissionsState.hasPermission(permission, userId)) { 6124 tmp[i] = true; 6125 numMatch++; 6126 } else { 6127 tmp[i] = false; 6128 } 6129 } 6130 if (numMatch == 0) { 6131 return; 6132 } 6133 final PackageInfo pi; 6134 if (ps.pkg != null) { 6135 pi = generatePackageInfo(ps, flags, userId); 6136 } else { 6137 pi = generatePackageInfo(ps, flags, userId); 6138 } 6139 // The above might return null in cases of uninstalled apps or install-state 6140 // skew across users/profiles. 6141 if (pi != null) { 6142 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6143 if (numMatch == permissions.length) { 6144 pi.requestedPermissions = permissions; 6145 } else { 6146 pi.requestedPermissions = new String[numMatch]; 6147 numMatch = 0; 6148 for (int i=0; i<permissions.length; i++) { 6149 if (tmp[i]) { 6150 pi.requestedPermissions[numMatch] = permissions[i]; 6151 numMatch++; 6152 } 6153 } 6154 } 6155 } 6156 list.add(pi); 6157 } 6158 } 6159 6160 @Override 6161 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6162 String[] permissions, int flags, int userId) { 6163 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6164 flags = updateFlagsForPackage(flags, userId, permissions); 6165 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6166 6167 // writer 6168 synchronized (mPackages) { 6169 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6170 boolean[] tmpBools = new boolean[permissions.length]; 6171 if (listUninstalled) { 6172 for (PackageSetting ps : mSettings.mPackages.values()) { 6173 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6174 } 6175 } else { 6176 for (PackageParser.Package pkg : mPackages.values()) { 6177 PackageSetting ps = (PackageSetting)pkg.mExtras; 6178 if (ps != null) { 6179 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6180 userId); 6181 } 6182 } 6183 } 6184 6185 return new ParceledListSlice<PackageInfo>(list); 6186 } 6187 } 6188 6189 @Override 6190 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6191 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6192 flags = updateFlagsForApplication(flags, userId, null); 6193 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6194 6195 // writer 6196 synchronized (mPackages) { 6197 ArrayList<ApplicationInfo> list; 6198 if (listUninstalled) { 6199 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6200 for (PackageSetting ps : mSettings.mPackages.values()) { 6201 ApplicationInfo ai; 6202 if (ps.pkg != null) { 6203 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6204 ps.readUserState(userId), userId); 6205 } else { 6206 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6207 } 6208 if (ai != null) { 6209 list.add(ai); 6210 } 6211 } 6212 } else { 6213 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6214 for (PackageParser.Package p : mPackages.values()) { 6215 if (p.mExtras != null) { 6216 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6217 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6218 if (ai != null) { 6219 list.add(ai); 6220 } 6221 } 6222 } 6223 } 6224 6225 return new ParceledListSlice<ApplicationInfo>(list); 6226 } 6227 } 6228 6229 @Override 6230 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6231 if (DISABLE_EPHEMERAL_APPS) { 6232 return null; 6233 } 6234 6235 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6236 "getEphemeralApplications"); 6237 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6238 true /* requireFullPermission */, false /* checkShell */, 6239 "getEphemeralApplications"); 6240 synchronized (mPackages) { 6241 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6242 .getEphemeralApplicationsLPw(userId); 6243 if (ephemeralApps != null) { 6244 return new ParceledListSlice<>(ephemeralApps); 6245 } 6246 } 6247 return null; 6248 } 6249 6250 @Override 6251 public boolean isEphemeralApplication(String packageName, int userId) { 6252 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6253 true /* requireFullPermission */, false /* checkShell */, 6254 "isEphemeral"); 6255 if (DISABLE_EPHEMERAL_APPS) { 6256 return false; 6257 } 6258 6259 if (!isCallerSameApp(packageName)) { 6260 return false; 6261 } 6262 synchronized (mPackages) { 6263 PackageParser.Package pkg = mPackages.get(packageName); 6264 if (pkg != null) { 6265 return pkg.applicationInfo.isEphemeralApp(); 6266 } 6267 } 6268 return false; 6269 } 6270 6271 @Override 6272 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6273 if (DISABLE_EPHEMERAL_APPS) { 6274 return null; 6275 } 6276 6277 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6278 true /* requireFullPermission */, false /* checkShell */, 6279 "getCookie"); 6280 if (!isCallerSameApp(packageName)) { 6281 return null; 6282 } 6283 synchronized (mPackages) { 6284 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6285 packageName, userId); 6286 } 6287 } 6288 6289 @Override 6290 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6291 if (DISABLE_EPHEMERAL_APPS) { 6292 return true; 6293 } 6294 6295 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6296 true /* requireFullPermission */, true /* checkShell */, 6297 "setCookie"); 6298 if (!isCallerSameApp(packageName)) { 6299 return false; 6300 } 6301 synchronized (mPackages) { 6302 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6303 packageName, cookie, userId); 6304 } 6305 } 6306 6307 @Override 6308 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6309 if (DISABLE_EPHEMERAL_APPS) { 6310 return null; 6311 } 6312 6313 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6314 "getEphemeralApplicationIcon"); 6315 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6316 true /* requireFullPermission */, false /* checkShell */, 6317 "getEphemeralApplicationIcon"); 6318 synchronized (mPackages) { 6319 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6320 packageName, userId); 6321 } 6322 } 6323 6324 private boolean isCallerSameApp(String packageName) { 6325 PackageParser.Package pkg = mPackages.get(packageName); 6326 return pkg != null 6327 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6328 } 6329 6330 @Override 6331 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6332 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6333 } 6334 6335 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6336 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6337 6338 // reader 6339 synchronized (mPackages) { 6340 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6341 final int userId = UserHandle.getCallingUserId(); 6342 while (i.hasNext()) { 6343 final PackageParser.Package p = i.next(); 6344 if (p.applicationInfo == null) continue; 6345 6346 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6347 && !p.applicationInfo.isDirectBootAware(); 6348 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6349 && p.applicationInfo.isDirectBootAware(); 6350 6351 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6352 && (!mSafeMode || isSystemApp(p)) 6353 && (matchesUnaware || matchesAware)) { 6354 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6355 if (ps != null) { 6356 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6357 ps.readUserState(userId), userId); 6358 if (ai != null) { 6359 finalList.add(ai); 6360 } 6361 } 6362 } 6363 } 6364 } 6365 6366 return finalList; 6367 } 6368 6369 @Override 6370 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6371 if (!sUserManager.exists(userId)) return null; 6372 flags = updateFlagsForComponent(flags, userId, name); 6373 // reader 6374 synchronized (mPackages) { 6375 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6376 PackageSetting ps = provider != null 6377 ? mSettings.mPackages.get(provider.owner.packageName) 6378 : null; 6379 return ps != null 6380 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6381 ? PackageParser.generateProviderInfo(provider, flags, 6382 ps.readUserState(userId), userId) 6383 : null; 6384 } 6385 } 6386 6387 /** 6388 * @deprecated 6389 */ 6390 @Deprecated 6391 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6392 // reader 6393 synchronized (mPackages) { 6394 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6395 .entrySet().iterator(); 6396 final int userId = UserHandle.getCallingUserId(); 6397 while (i.hasNext()) { 6398 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6399 PackageParser.Provider p = entry.getValue(); 6400 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6401 6402 if (ps != null && p.syncable 6403 && (!mSafeMode || (p.info.applicationInfo.flags 6404 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6405 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6406 ps.readUserState(userId), userId); 6407 if (info != null) { 6408 outNames.add(entry.getKey()); 6409 outInfo.add(info); 6410 } 6411 } 6412 } 6413 } 6414 } 6415 6416 @Override 6417 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6418 int uid, int flags) { 6419 final int userId = processName != null ? UserHandle.getUserId(uid) 6420 : UserHandle.getCallingUserId(); 6421 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6422 flags = updateFlagsForComponent(flags, userId, processName); 6423 6424 ArrayList<ProviderInfo> finalList = null; 6425 // reader 6426 synchronized (mPackages) { 6427 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6428 while (i.hasNext()) { 6429 final PackageParser.Provider p = i.next(); 6430 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6431 if (ps != null && p.info.authority != null 6432 && (processName == null 6433 || (p.info.processName.equals(processName) 6434 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6435 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6436 if (finalList == null) { 6437 finalList = new ArrayList<ProviderInfo>(3); 6438 } 6439 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6440 ps.readUserState(userId), userId); 6441 if (info != null) { 6442 finalList.add(info); 6443 } 6444 } 6445 } 6446 } 6447 6448 if (finalList != null) { 6449 Collections.sort(finalList, mProviderInitOrderSorter); 6450 return new ParceledListSlice<ProviderInfo>(finalList); 6451 } 6452 6453 return ParceledListSlice.emptyList(); 6454 } 6455 6456 @Override 6457 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6458 // reader 6459 synchronized (mPackages) { 6460 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6461 return PackageParser.generateInstrumentationInfo(i, flags); 6462 } 6463 } 6464 6465 @Override 6466 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6467 String targetPackage, int flags) { 6468 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6469 } 6470 6471 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6472 int flags) { 6473 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6474 6475 // reader 6476 synchronized (mPackages) { 6477 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6478 while (i.hasNext()) { 6479 final PackageParser.Instrumentation p = i.next(); 6480 if (targetPackage == null 6481 || targetPackage.equals(p.info.targetPackage)) { 6482 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6483 flags); 6484 if (ii != null) { 6485 finalList.add(ii); 6486 } 6487 } 6488 } 6489 } 6490 6491 return finalList; 6492 } 6493 6494 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6495 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6496 if (overlays == null) { 6497 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6498 return; 6499 } 6500 for (PackageParser.Package opkg : overlays.values()) { 6501 // Not much to do if idmap fails: we already logged the error 6502 // and we certainly don't want to abort installation of pkg simply 6503 // because an overlay didn't fit properly. For these reasons, 6504 // ignore the return value of createIdmapForPackagePairLI. 6505 createIdmapForPackagePairLI(pkg, opkg); 6506 } 6507 } 6508 6509 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6510 PackageParser.Package opkg) { 6511 if (!opkg.mTrustedOverlay) { 6512 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6513 opkg.baseCodePath + ": overlay not trusted"); 6514 return false; 6515 } 6516 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6517 if (overlaySet == null) { 6518 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6519 opkg.baseCodePath + " but target package has no known overlays"); 6520 return false; 6521 } 6522 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6523 // TODO: generate idmap for split APKs 6524 try { 6525 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6526 } catch (InstallerException e) { 6527 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6528 + opkg.baseCodePath); 6529 return false; 6530 } 6531 PackageParser.Package[] overlayArray = 6532 overlaySet.values().toArray(new PackageParser.Package[0]); 6533 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6534 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6535 return p1.mOverlayPriority - p2.mOverlayPriority; 6536 } 6537 }; 6538 Arrays.sort(overlayArray, cmp); 6539 6540 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6541 int i = 0; 6542 for (PackageParser.Package p : overlayArray) { 6543 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6544 } 6545 return true; 6546 } 6547 6548 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6549 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6550 try { 6551 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6552 } finally { 6553 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6554 } 6555 } 6556 6557 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6558 final File[] files = dir.listFiles(); 6559 if (ArrayUtils.isEmpty(files)) { 6560 Log.d(TAG, "No files in app dir " + dir); 6561 return; 6562 } 6563 6564 if (DEBUG_PACKAGE_SCANNING) { 6565 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6566 + " flags=0x" + Integer.toHexString(parseFlags)); 6567 } 6568 6569 for (File file : files) { 6570 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6571 && !PackageInstallerService.isStageName(file.getName()); 6572 if (!isPackage) { 6573 // Ignore entries which are not packages 6574 continue; 6575 } 6576 try { 6577 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6578 scanFlags, currentTime, null); 6579 } catch (PackageManagerException e) { 6580 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6581 6582 // Delete invalid userdata apps 6583 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6584 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6585 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6586 removeCodePathLI(file); 6587 } 6588 } 6589 } 6590 } 6591 6592 private static File getSettingsProblemFile() { 6593 File dataDir = Environment.getDataDirectory(); 6594 File systemDir = new File(dataDir, "system"); 6595 File fname = new File(systemDir, "uiderrors.txt"); 6596 return fname; 6597 } 6598 6599 static void reportSettingsProblem(int priority, String msg) { 6600 logCriticalInfo(priority, msg); 6601 } 6602 6603 static void logCriticalInfo(int priority, String msg) { 6604 Slog.println(priority, TAG, msg); 6605 EventLogTags.writePmCriticalInfo(msg); 6606 try { 6607 File fname = getSettingsProblemFile(); 6608 FileOutputStream out = new FileOutputStream(fname, true); 6609 PrintWriter pw = new FastPrintWriter(out); 6610 SimpleDateFormat formatter = new SimpleDateFormat(); 6611 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6612 pw.println(dateString + ": " + msg); 6613 pw.close(); 6614 FileUtils.setPermissions( 6615 fname.toString(), 6616 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6617 -1, -1); 6618 } catch (java.io.IOException e) { 6619 } 6620 } 6621 6622 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6623 if (srcFile.isDirectory()) { 6624 final File baseFile = new File(pkg.baseCodePath); 6625 long maxModifiedTime = baseFile.lastModified(); 6626 if (pkg.splitCodePaths != null) { 6627 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6628 final File splitFile = new File(pkg.splitCodePaths[i]); 6629 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6630 } 6631 } 6632 return maxModifiedTime; 6633 } 6634 return srcFile.lastModified(); 6635 } 6636 6637 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6638 final int policyFlags) throws PackageManagerException { 6639 // When upgrading from pre-N MR1, verify the package time stamp using the package 6640 // directory and not the APK file. 6641 final long lastModifiedTime = mIsPreNMR1Upgrade 6642 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 6643 if (ps != null 6644 && ps.codePath.equals(srcFile) 6645 && ps.timeStamp == lastModifiedTime 6646 && !isCompatSignatureUpdateNeeded(pkg) 6647 && !isRecoverSignatureUpdateNeeded(pkg)) { 6648 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6649 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6650 ArraySet<PublicKey> signingKs; 6651 synchronized (mPackages) { 6652 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6653 } 6654 if (ps.signatures.mSignatures != null 6655 && ps.signatures.mSignatures.length != 0 6656 && signingKs != null) { 6657 // Optimization: reuse the existing cached certificates 6658 // if the package appears to be unchanged. 6659 pkg.mSignatures = ps.signatures.mSignatures; 6660 pkg.mSigningKeys = signingKs; 6661 return; 6662 } 6663 6664 Slog.w(TAG, "PackageSetting for " + ps.name 6665 + " is missing signatures. Collecting certs again to recover them."); 6666 } else { 6667 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 6668 } 6669 6670 try { 6671 PackageParser.collectCertificates(pkg, policyFlags); 6672 } catch (PackageParserException e) { 6673 throw PackageManagerException.from(e); 6674 } 6675 } 6676 6677 /** 6678 * Traces a package scan. 6679 * @see #scanPackageLI(File, int, int, long, UserHandle) 6680 */ 6681 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6682 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6683 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6684 try { 6685 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6686 } finally { 6687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6688 } 6689 } 6690 6691 /** 6692 * Scans a package and returns the newly parsed package. 6693 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6694 */ 6695 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6696 long currentTime, UserHandle user) throws PackageManagerException { 6697 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6698 PackageParser pp = new PackageParser(); 6699 pp.setSeparateProcesses(mSeparateProcesses); 6700 pp.setOnlyCoreApps(mOnlyCore); 6701 pp.setDisplayMetrics(mMetrics); 6702 6703 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6704 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6705 } 6706 6707 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6708 final PackageParser.Package pkg; 6709 try { 6710 pkg = pp.parsePackage(scanFile, parseFlags); 6711 } catch (PackageParserException e) { 6712 throw PackageManagerException.from(e); 6713 } finally { 6714 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6715 } 6716 6717 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6718 } 6719 6720 /** 6721 * Scans a package and returns the newly parsed package. 6722 * @throws PackageManagerException on a parse error. 6723 */ 6724 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6725 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6726 throws PackageManagerException { 6727 // If the package has children and this is the first dive in the function 6728 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6729 // packages (parent and children) would be successfully scanned before the 6730 // actual scan since scanning mutates internal state and we want to atomically 6731 // install the package and its children. 6732 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6733 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6734 scanFlags |= SCAN_CHECK_ONLY; 6735 } 6736 } else { 6737 scanFlags &= ~SCAN_CHECK_ONLY; 6738 } 6739 6740 // Scan the parent 6741 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6742 scanFlags, currentTime, user); 6743 6744 // Scan the children 6745 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6746 for (int i = 0; i < childCount; i++) { 6747 PackageParser.Package childPackage = pkg.childPackages.get(i); 6748 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6749 currentTime, user); 6750 } 6751 6752 6753 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6754 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6755 } 6756 6757 return scannedPkg; 6758 } 6759 6760 /** 6761 * Scans a package and returns the newly parsed package. 6762 * @throws PackageManagerException on a parse error. 6763 */ 6764 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6765 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6766 throws PackageManagerException { 6767 PackageSetting ps = null; 6768 PackageSetting updatedPkg; 6769 // reader 6770 synchronized (mPackages) { 6771 // Look to see if we already know about this package. 6772 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6773 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6774 // This package has been renamed to its original name. Let's 6775 // use that. 6776 ps = mSettings.peekPackageLPr(oldName); 6777 } 6778 // If there was no original package, see one for the real package name. 6779 if (ps == null) { 6780 ps = mSettings.peekPackageLPr(pkg.packageName); 6781 } 6782 // Check to see if this package could be hiding/updating a system 6783 // package. Must look for it either under the original or real 6784 // package name depending on our state. 6785 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6786 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6787 6788 // If this is a package we don't know about on the system partition, we 6789 // may need to remove disabled child packages on the system partition 6790 // or may need to not add child packages if the parent apk is updated 6791 // on the data partition and no longer defines this child package. 6792 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6793 // If this is a parent package for an updated system app and this system 6794 // app got an OTA update which no longer defines some of the child packages 6795 // we have to prune them from the disabled system packages. 6796 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6797 if (disabledPs != null) { 6798 final int scannedChildCount = (pkg.childPackages != null) 6799 ? pkg.childPackages.size() : 0; 6800 final int disabledChildCount = disabledPs.childPackageNames != null 6801 ? disabledPs.childPackageNames.size() : 0; 6802 for (int i = 0; i < disabledChildCount; i++) { 6803 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6804 boolean disabledPackageAvailable = false; 6805 for (int j = 0; j < scannedChildCount; j++) { 6806 PackageParser.Package childPkg = pkg.childPackages.get(j); 6807 if (childPkg.packageName.equals(disabledChildPackageName)) { 6808 disabledPackageAvailable = true; 6809 break; 6810 } 6811 } 6812 if (!disabledPackageAvailable) { 6813 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6814 } 6815 } 6816 } 6817 } 6818 } 6819 6820 boolean updatedPkgBetter = false; 6821 // First check if this is a system package that may involve an update 6822 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6823 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6824 // it needs to drop FLAG_PRIVILEGED. 6825 if (locationIsPrivileged(scanFile)) { 6826 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6827 } else { 6828 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6829 } 6830 6831 if (ps != null && !ps.codePath.equals(scanFile)) { 6832 // The path has changed from what was last scanned... check the 6833 // version of the new path against what we have stored to determine 6834 // what to do. 6835 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6836 if (pkg.mVersionCode <= ps.versionCode) { 6837 // The system package has been updated and the code path does not match 6838 // Ignore entry. Skip it. 6839 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6840 + " ignored: updated version " + ps.versionCode 6841 + " better than this " + pkg.mVersionCode); 6842 if (!updatedPkg.codePath.equals(scanFile)) { 6843 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6844 + ps.name + " changing from " + updatedPkg.codePathString 6845 + " to " + scanFile); 6846 updatedPkg.codePath = scanFile; 6847 updatedPkg.codePathString = scanFile.toString(); 6848 updatedPkg.resourcePath = scanFile; 6849 updatedPkg.resourcePathString = scanFile.toString(); 6850 } 6851 updatedPkg.pkg = pkg; 6852 updatedPkg.versionCode = pkg.mVersionCode; 6853 6854 // Update the disabled system child packages to point to the package too. 6855 final int childCount = updatedPkg.childPackageNames != null 6856 ? updatedPkg.childPackageNames.size() : 0; 6857 for (int i = 0; i < childCount; i++) { 6858 String childPackageName = updatedPkg.childPackageNames.get(i); 6859 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6860 childPackageName); 6861 if (updatedChildPkg != null) { 6862 updatedChildPkg.pkg = pkg; 6863 updatedChildPkg.versionCode = pkg.mVersionCode; 6864 } 6865 } 6866 6867 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6868 + scanFile + " ignored: updated version " + ps.versionCode 6869 + " better than this " + pkg.mVersionCode); 6870 } else { 6871 // The current app on the system partition is better than 6872 // what we have updated to on the data partition; switch 6873 // back to the system partition version. 6874 // At this point, its safely assumed that package installation for 6875 // apps in system partition will go through. If not there won't be a working 6876 // version of the app 6877 // writer 6878 synchronized (mPackages) { 6879 // Just remove the loaded entries from package lists. 6880 mPackages.remove(ps.name); 6881 } 6882 6883 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6884 + " reverting from " + ps.codePathString 6885 + ": new version " + pkg.mVersionCode 6886 + " better than installed " + ps.versionCode); 6887 6888 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6889 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6890 synchronized (mInstallLock) { 6891 args.cleanUpResourcesLI(); 6892 } 6893 synchronized (mPackages) { 6894 mSettings.enableSystemPackageLPw(ps.name); 6895 } 6896 updatedPkgBetter = true; 6897 } 6898 } 6899 } 6900 6901 if (updatedPkg != null) { 6902 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6903 // initially 6904 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6905 6906 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6907 // flag set initially 6908 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6909 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6910 } 6911 } 6912 6913 // Verify certificates against what was last scanned 6914 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6915 6916 /* 6917 * A new system app appeared, but we already had a non-system one of the 6918 * same name installed earlier. 6919 */ 6920 boolean shouldHideSystemApp = false; 6921 if (updatedPkg == null && ps != null 6922 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6923 /* 6924 * Check to make sure the signatures match first. If they don't, 6925 * wipe the installed application and its data. 6926 */ 6927 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6928 != PackageManager.SIGNATURE_MATCH) { 6929 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6930 + " signatures don't match existing userdata copy; removing"); 6931 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6932 "scanPackageInternalLI")) { 6933 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6934 } 6935 ps = null; 6936 } else { 6937 /* 6938 * If the newly-added system app is an older version than the 6939 * already installed version, hide it. It will be scanned later 6940 * and re-added like an update. 6941 */ 6942 if (pkg.mVersionCode <= ps.versionCode) { 6943 shouldHideSystemApp = true; 6944 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6945 + " but new version " + pkg.mVersionCode + " better than installed " 6946 + ps.versionCode + "; hiding system"); 6947 } else { 6948 /* 6949 * The newly found system app is a newer version that the 6950 * one previously installed. Simply remove the 6951 * already-installed application and replace it with our own 6952 * while keeping the application data. 6953 */ 6954 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6955 + " reverting from " + ps.codePathString + ": new version " 6956 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6957 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6958 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6959 synchronized (mInstallLock) { 6960 args.cleanUpResourcesLI(); 6961 } 6962 } 6963 } 6964 } 6965 6966 // The apk is forward locked (not public) if its code and resources 6967 // are kept in different files. (except for app in either system or 6968 // vendor path). 6969 // TODO grab this value from PackageSettings 6970 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6971 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6972 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6973 } 6974 } 6975 6976 // TODO: extend to support forward-locked splits 6977 String resourcePath = null; 6978 String baseResourcePath = null; 6979 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6980 if (ps != null && ps.resourcePathString != null) { 6981 resourcePath = ps.resourcePathString; 6982 baseResourcePath = ps.resourcePathString; 6983 } else { 6984 // Should not happen at all. Just log an error. 6985 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6986 } 6987 } else { 6988 resourcePath = pkg.codePath; 6989 baseResourcePath = pkg.baseCodePath; 6990 } 6991 6992 // Set application objects path explicitly. 6993 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6994 pkg.setApplicationInfoCodePath(pkg.codePath); 6995 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6996 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6997 pkg.setApplicationInfoResourcePath(resourcePath); 6998 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6999 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7000 7001 // Note that we invoke the following method only if we are about to unpack an application 7002 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7003 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7004 7005 /* 7006 * If the system app should be overridden by a previously installed 7007 * data, hide the system app now and let the /data/app scan pick it up 7008 * again. 7009 */ 7010 if (shouldHideSystemApp) { 7011 synchronized (mPackages) { 7012 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7013 } 7014 } 7015 7016 return scannedPkg; 7017 } 7018 7019 private static String fixProcessName(String defProcessName, 7020 String processName, int uid) { 7021 if (processName == null) { 7022 return defProcessName; 7023 } 7024 return processName; 7025 } 7026 7027 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7028 throws PackageManagerException { 7029 if (pkgSetting.signatures.mSignatures != null) { 7030 // Already existing package. Make sure signatures match 7031 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7032 == PackageManager.SIGNATURE_MATCH; 7033 if (!match) { 7034 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7035 == PackageManager.SIGNATURE_MATCH; 7036 } 7037 if (!match) { 7038 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7039 == PackageManager.SIGNATURE_MATCH; 7040 } 7041 if (!match) { 7042 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7043 + pkg.packageName + " signatures do not match the " 7044 + "previously installed version; ignoring!"); 7045 } 7046 } 7047 7048 // Check for shared user signatures 7049 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7050 // Already existing package. Make sure signatures match 7051 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7052 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7053 if (!match) { 7054 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7055 == PackageManager.SIGNATURE_MATCH; 7056 } 7057 if (!match) { 7058 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7059 == PackageManager.SIGNATURE_MATCH; 7060 } 7061 if (!match) { 7062 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7063 "Package " + pkg.packageName 7064 + " has no signatures that match those in shared user " 7065 + pkgSetting.sharedUser.name + "; ignoring!"); 7066 } 7067 } 7068 } 7069 7070 /** 7071 * Enforces that only the system UID or root's UID can call a method exposed 7072 * via Binder. 7073 * 7074 * @param message used as message if SecurityException is thrown 7075 * @throws SecurityException if the caller is not system or root 7076 */ 7077 private static final void enforceSystemOrRoot(String message) { 7078 final int uid = Binder.getCallingUid(); 7079 if (uid != Process.SYSTEM_UID && uid != 0) { 7080 throw new SecurityException(message); 7081 } 7082 } 7083 7084 @Override 7085 public void performFstrimIfNeeded() { 7086 enforceSystemOrRoot("Only the system can request fstrim"); 7087 7088 // Before everything else, see whether we need to fstrim. 7089 try { 7090 IMountService ms = PackageHelper.getMountService(); 7091 if (ms != null) { 7092 boolean doTrim = false; 7093 final long interval = android.provider.Settings.Global.getLong( 7094 mContext.getContentResolver(), 7095 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7096 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7097 if (interval > 0) { 7098 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7099 if (timeSinceLast > interval) { 7100 doTrim = true; 7101 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7102 + "; running immediately"); 7103 } 7104 } 7105 if (doTrim) { 7106 if (!isFirstBoot()) { 7107 try { 7108 ActivityManagerNative.getDefault().showBootMessage( 7109 mContext.getResources().getString( 7110 R.string.android_upgrading_fstrim), true); 7111 } catch (RemoteException e) { 7112 } 7113 } 7114 ms.runMaintenance(); 7115 } 7116 } else { 7117 Slog.e(TAG, "Mount service unavailable!"); 7118 } 7119 } catch (RemoteException e) { 7120 // Can't happen; MountService is local 7121 } 7122 } 7123 7124 @Override 7125 public void updatePackagesIfNeeded() { 7126 enforceSystemOrRoot("Only the system can request package update"); 7127 7128 // We need to re-extract after an OTA. 7129 boolean causeUpgrade = isUpgrade(); 7130 7131 // First boot or factory reset. 7132 // Note: we also handle devices that are upgrading to N right now as if it is their 7133 // first boot, as they do not have profile data. 7134 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7135 7136 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7137 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7138 7139 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7140 return; 7141 } 7142 7143 List<PackageParser.Package> pkgs; 7144 synchronized (mPackages) { 7145 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7146 } 7147 7148 final long startTime = System.nanoTime(); 7149 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7150 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7151 7152 final int elapsedTimeSeconds = 7153 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7154 7155 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7156 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7157 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7158 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7159 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7160 } 7161 7162 /** 7163 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7164 * containing statistics about the invocation. The array consists of three elements, 7165 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7166 * and {@code numberOfPackagesFailed}. 7167 */ 7168 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7169 String compilerFilter) { 7170 7171 int numberOfPackagesVisited = 0; 7172 int numberOfPackagesOptimized = 0; 7173 int numberOfPackagesSkipped = 0; 7174 int numberOfPackagesFailed = 0; 7175 final int numberOfPackagesToDexopt = pkgs.size(); 7176 7177 for (PackageParser.Package pkg : pkgs) { 7178 numberOfPackagesVisited++; 7179 7180 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7181 if (DEBUG_DEXOPT) { 7182 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7183 } 7184 numberOfPackagesSkipped++; 7185 continue; 7186 } 7187 7188 if (DEBUG_DEXOPT) { 7189 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7190 numberOfPackagesToDexopt + ": " + pkg.packageName); 7191 } 7192 7193 if (showDialog) { 7194 try { 7195 ActivityManagerNative.getDefault().showBootMessage( 7196 mContext.getResources().getString(R.string.android_upgrading_apk, 7197 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7198 } catch (RemoteException e) { 7199 } 7200 } 7201 7202 // If the OTA updates a system app which was previously preopted to a non-preopted state 7203 // the app might end up being verified at runtime. That's because by default the apps 7204 // are verify-profile but for preopted apps there's no profile. 7205 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7206 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7207 // filter (by default interpret-only). 7208 // Note that at this stage unused apps are already filtered. 7209 if (isSystemApp(pkg) && 7210 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7211 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7212 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7213 } 7214 7215 // checkProfiles is false to avoid merging profiles during boot which 7216 // might interfere with background compilation (b/28612421). 7217 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7218 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7219 // trade-off worth doing to save boot time work. 7220 int dexOptStatus = performDexOptTraced(pkg.packageName, 7221 false /* checkProfiles */, 7222 compilerFilter, 7223 false /* force */); 7224 switch (dexOptStatus) { 7225 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7226 numberOfPackagesOptimized++; 7227 break; 7228 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7229 numberOfPackagesSkipped++; 7230 break; 7231 case PackageDexOptimizer.DEX_OPT_FAILED: 7232 numberOfPackagesFailed++; 7233 break; 7234 default: 7235 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7236 break; 7237 } 7238 } 7239 7240 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7241 numberOfPackagesFailed }; 7242 } 7243 7244 @Override 7245 public void notifyPackageUse(String packageName, int reason) { 7246 synchronized (mPackages) { 7247 PackageParser.Package p = mPackages.get(packageName); 7248 if (p == null) { 7249 return; 7250 } 7251 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7252 } 7253 } 7254 7255 // TODO: this is not used nor needed. Delete it. 7256 @Override 7257 public boolean performDexOptIfNeeded(String packageName) { 7258 int dexOptStatus = performDexOptTraced(packageName, 7259 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7260 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7261 } 7262 7263 @Override 7264 public boolean performDexOpt(String packageName, 7265 boolean checkProfiles, int compileReason, boolean force) { 7266 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7267 getCompilerFilterForReason(compileReason), force); 7268 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7269 } 7270 7271 @Override 7272 public boolean performDexOptMode(String packageName, 7273 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7274 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7275 targetCompilerFilter, force); 7276 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7277 } 7278 7279 private int performDexOptTraced(String packageName, 7280 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7281 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7282 try { 7283 return performDexOptInternal(packageName, checkProfiles, 7284 targetCompilerFilter, force); 7285 } finally { 7286 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7287 } 7288 } 7289 7290 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7291 // if the package can now be considered up to date for the given filter. 7292 private int performDexOptInternal(String packageName, 7293 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7294 PackageParser.Package p; 7295 synchronized (mPackages) { 7296 p = mPackages.get(packageName); 7297 if (p == null) { 7298 // Package could not be found. Report failure. 7299 return PackageDexOptimizer.DEX_OPT_FAILED; 7300 } 7301 mPackageUsage.maybeWriteAsync(mPackages); 7302 mCompilerStats.maybeWriteAsync(); 7303 } 7304 long callingId = Binder.clearCallingIdentity(); 7305 try { 7306 synchronized (mInstallLock) { 7307 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7308 targetCompilerFilter, force); 7309 } 7310 } finally { 7311 Binder.restoreCallingIdentity(callingId); 7312 } 7313 } 7314 7315 public ArraySet<String> getOptimizablePackages() { 7316 ArraySet<String> pkgs = new ArraySet<String>(); 7317 synchronized (mPackages) { 7318 for (PackageParser.Package p : mPackages.values()) { 7319 if (PackageDexOptimizer.canOptimizePackage(p)) { 7320 pkgs.add(p.packageName); 7321 } 7322 } 7323 } 7324 return pkgs; 7325 } 7326 7327 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7328 boolean checkProfiles, String targetCompilerFilter, 7329 boolean force) { 7330 // Select the dex optimizer based on the force parameter. 7331 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7332 // allocate an object here. 7333 PackageDexOptimizer pdo = force 7334 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7335 : mPackageDexOptimizer; 7336 7337 // Optimize all dependencies first. Note: we ignore the return value and march on 7338 // on errors. 7339 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7340 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7341 if (!deps.isEmpty()) { 7342 for (PackageParser.Package depPackage : deps) { 7343 // TODO: Analyze and investigate if we (should) profile libraries. 7344 // Currently this will do a full compilation of the library by default. 7345 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7346 false /* checkProfiles */, 7347 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7348 getOrCreateCompilerPackageStats(depPackage)); 7349 } 7350 } 7351 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7352 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7353 } 7354 7355 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7356 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7357 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7358 Set<String> collectedNames = new HashSet<>(); 7359 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7360 7361 retValue.remove(p); 7362 7363 return retValue; 7364 } else { 7365 return Collections.emptyList(); 7366 } 7367 } 7368 7369 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7370 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7371 if (!collectedNames.contains(p.packageName)) { 7372 collectedNames.add(p.packageName); 7373 collected.add(p); 7374 7375 if (p.usesLibraries != null) { 7376 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7377 } 7378 if (p.usesOptionalLibraries != null) { 7379 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7380 collectedNames); 7381 } 7382 } 7383 } 7384 7385 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7386 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7387 for (String libName : libs) { 7388 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7389 if (libPkg != null) { 7390 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7391 } 7392 } 7393 } 7394 7395 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7396 synchronized (mPackages) { 7397 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7398 if (lib != null && lib.apk != null) { 7399 return mPackages.get(lib.apk); 7400 } 7401 } 7402 return null; 7403 } 7404 7405 public void shutdown() { 7406 mPackageUsage.writeNow(mPackages); 7407 mCompilerStats.writeNow(); 7408 } 7409 7410 @Override 7411 public void dumpProfiles(String packageName) { 7412 PackageParser.Package pkg; 7413 synchronized (mPackages) { 7414 pkg = mPackages.get(packageName); 7415 if (pkg == null) { 7416 throw new IllegalArgumentException("Unknown package: " + packageName); 7417 } 7418 } 7419 /* Only the shell, root, or the app user should be able to dump profiles. */ 7420 int callingUid = Binder.getCallingUid(); 7421 if (callingUid != Process.SHELL_UID && 7422 callingUid != Process.ROOT_UID && 7423 callingUid != pkg.applicationInfo.uid) { 7424 throw new SecurityException("dumpProfiles"); 7425 } 7426 7427 synchronized (mInstallLock) { 7428 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7429 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7430 try { 7431 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7432 String gid = Integer.toString(sharedGid); 7433 String codePaths = TextUtils.join(";", allCodePaths); 7434 mInstaller.dumpProfiles(gid, packageName, codePaths); 7435 } catch (InstallerException e) { 7436 Slog.w(TAG, "Failed to dump profiles", e); 7437 } 7438 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7439 } 7440 } 7441 7442 @Override 7443 public void forceDexOpt(String packageName) { 7444 enforceSystemOrRoot("forceDexOpt"); 7445 7446 PackageParser.Package pkg; 7447 synchronized (mPackages) { 7448 pkg = mPackages.get(packageName); 7449 if (pkg == null) { 7450 throw new IllegalArgumentException("Unknown package: " + packageName); 7451 } 7452 } 7453 7454 synchronized (mInstallLock) { 7455 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7456 7457 // Whoever is calling forceDexOpt wants a fully compiled package. 7458 // Don't use profiles since that may cause compilation to be skipped. 7459 final int res = performDexOptInternalWithDependenciesLI(pkg, 7460 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7461 true /* force */); 7462 7463 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7464 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7465 throw new IllegalStateException("Failed to dexopt: " + res); 7466 } 7467 } 7468 } 7469 7470 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7471 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7472 Slog.w(TAG, "Unable to update from " + oldPkg.name 7473 + " to " + newPkg.packageName 7474 + ": old package not in system partition"); 7475 return false; 7476 } else if (mPackages.get(oldPkg.name) != null) { 7477 Slog.w(TAG, "Unable to update from " + oldPkg.name 7478 + " to " + newPkg.packageName 7479 + ": old package still exists"); 7480 return false; 7481 } 7482 return true; 7483 } 7484 7485 void removeCodePathLI(File codePath) { 7486 if (codePath.isDirectory()) { 7487 try { 7488 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7489 } catch (InstallerException e) { 7490 Slog.w(TAG, "Failed to remove code path", e); 7491 } 7492 } else { 7493 codePath.delete(); 7494 } 7495 } 7496 7497 private int[] resolveUserIds(int userId) { 7498 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7499 } 7500 7501 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7502 if (pkg == null) { 7503 Slog.wtf(TAG, "Package was null!", new Throwable()); 7504 return; 7505 } 7506 clearAppDataLeafLIF(pkg, userId, flags); 7507 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7508 for (int i = 0; i < childCount; i++) { 7509 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7510 } 7511 } 7512 7513 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7514 final PackageSetting ps; 7515 synchronized (mPackages) { 7516 ps = mSettings.mPackages.get(pkg.packageName); 7517 } 7518 for (int realUserId : resolveUserIds(userId)) { 7519 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7520 try { 7521 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7522 ceDataInode); 7523 } catch (InstallerException e) { 7524 Slog.w(TAG, String.valueOf(e)); 7525 } 7526 } 7527 } 7528 7529 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7530 if (pkg == null) { 7531 Slog.wtf(TAG, "Package was null!", new Throwable()); 7532 return; 7533 } 7534 destroyAppDataLeafLIF(pkg, userId, flags); 7535 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7536 for (int i = 0; i < childCount; i++) { 7537 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7538 } 7539 } 7540 7541 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7542 final PackageSetting ps; 7543 synchronized (mPackages) { 7544 ps = mSettings.mPackages.get(pkg.packageName); 7545 } 7546 for (int realUserId : resolveUserIds(userId)) { 7547 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7548 try { 7549 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7550 ceDataInode); 7551 } catch (InstallerException e) { 7552 Slog.w(TAG, String.valueOf(e)); 7553 } 7554 } 7555 } 7556 7557 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7558 if (pkg == null) { 7559 Slog.wtf(TAG, "Package was null!", new Throwable()); 7560 return; 7561 } 7562 destroyAppProfilesLeafLIF(pkg); 7563 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7564 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7565 for (int i = 0; i < childCount; i++) { 7566 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7567 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7568 true /* removeBaseMarker */); 7569 } 7570 } 7571 7572 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7573 boolean removeBaseMarker) { 7574 if (pkg.isForwardLocked()) { 7575 return; 7576 } 7577 7578 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7579 try { 7580 path = PackageManagerServiceUtils.realpath(new File(path)); 7581 } catch (IOException e) { 7582 // TODO: Should we return early here ? 7583 Slog.w(TAG, "Failed to get canonical path", e); 7584 continue; 7585 } 7586 7587 final String useMarker = path.replace('/', '@'); 7588 for (int realUserId : resolveUserIds(userId)) { 7589 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7590 if (removeBaseMarker) { 7591 File foreignUseMark = new File(profileDir, useMarker); 7592 if (foreignUseMark.exists()) { 7593 if (!foreignUseMark.delete()) { 7594 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7595 + pkg.packageName); 7596 } 7597 } 7598 } 7599 7600 File[] markers = profileDir.listFiles(); 7601 if (markers != null) { 7602 final String searchString = "@" + pkg.packageName + "@"; 7603 // We also delete all markers that contain the package name we're 7604 // uninstalling. These are associated with secondary dex-files belonging 7605 // to the package. Reconstructing the path of these dex files is messy 7606 // in general. 7607 for (File marker : markers) { 7608 if (marker.getName().indexOf(searchString) > 0) { 7609 if (!marker.delete()) { 7610 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7611 + pkg.packageName); 7612 } 7613 } 7614 } 7615 } 7616 } 7617 } 7618 } 7619 7620 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7621 try { 7622 mInstaller.destroyAppProfiles(pkg.packageName); 7623 } catch (InstallerException e) { 7624 Slog.w(TAG, String.valueOf(e)); 7625 } 7626 } 7627 7628 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7629 if (pkg == null) { 7630 Slog.wtf(TAG, "Package was null!", new Throwable()); 7631 return; 7632 } 7633 clearAppProfilesLeafLIF(pkg); 7634 // We don't remove the base foreign use marker when clearing profiles because 7635 // we will rename it when the app is updated. Unlike the actual profile contents, 7636 // the foreign use marker is good across installs. 7637 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7638 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7639 for (int i = 0; i < childCount; i++) { 7640 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7641 } 7642 } 7643 7644 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7645 try { 7646 mInstaller.clearAppProfiles(pkg.packageName); 7647 } catch (InstallerException e) { 7648 Slog.w(TAG, String.valueOf(e)); 7649 } 7650 } 7651 7652 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7653 long lastUpdateTime) { 7654 // Set parent install/update time 7655 PackageSetting ps = (PackageSetting) pkg.mExtras; 7656 if (ps != null) { 7657 ps.firstInstallTime = firstInstallTime; 7658 ps.lastUpdateTime = lastUpdateTime; 7659 } 7660 // Set children install/update time 7661 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7662 for (int i = 0; i < childCount; i++) { 7663 PackageParser.Package childPkg = pkg.childPackages.get(i); 7664 ps = (PackageSetting) childPkg.mExtras; 7665 if (ps != null) { 7666 ps.firstInstallTime = firstInstallTime; 7667 ps.lastUpdateTime = lastUpdateTime; 7668 } 7669 } 7670 } 7671 7672 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7673 PackageParser.Package changingLib) { 7674 if (file.path != null) { 7675 usesLibraryFiles.add(file.path); 7676 return; 7677 } 7678 PackageParser.Package p = mPackages.get(file.apk); 7679 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7680 // If we are doing this while in the middle of updating a library apk, 7681 // then we need to make sure to use that new apk for determining the 7682 // dependencies here. (We haven't yet finished committing the new apk 7683 // to the package manager state.) 7684 if (p == null || p.packageName.equals(changingLib.packageName)) { 7685 p = changingLib; 7686 } 7687 } 7688 if (p != null) { 7689 usesLibraryFiles.addAll(p.getAllCodePaths()); 7690 } 7691 } 7692 7693 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7694 PackageParser.Package changingLib) throws PackageManagerException { 7695 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7696 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7697 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7698 for (int i=0; i<N; i++) { 7699 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7700 if (file == null) { 7701 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7702 "Package " + pkg.packageName + " requires unavailable shared library " 7703 + pkg.usesLibraries.get(i) + "; failing!"); 7704 } 7705 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7706 } 7707 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7708 for (int i=0; i<N; i++) { 7709 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7710 if (file == null) { 7711 Slog.w(TAG, "Package " + pkg.packageName 7712 + " desires unavailable shared library " 7713 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7714 } else { 7715 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7716 } 7717 } 7718 N = usesLibraryFiles.size(); 7719 if (N > 0) { 7720 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7721 } else { 7722 pkg.usesLibraryFiles = null; 7723 } 7724 } 7725 } 7726 7727 private static boolean hasString(List<String> list, List<String> which) { 7728 if (list == null) { 7729 return false; 7730 } 7731 for (int i=list.size()-1; i>=0; i--) { 7732 for (int j=which.size()-1; j>=0; j--) { 7733 if (which.get(j).equals(list.get(i))) { 7734 return true; 7735 } 7736 } 7737 } 7738 return false; 7739 } 7740 7741 private void updateAllSharedLibrariesLPw() { 7742 for (PackageParser.Package pkg : mPackages.values()) { 7743 try { 7744 updateSharedLibrariesLPw(pkg, null); 7745 } catch (PackageManagerException e) { 7746 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7747 } 7748 } 7749 } 7750 7751 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7752 PackageParser.Package changingPkg) { 7753 ArrayList<PackageParser.Package> res = null; 7754 for (PackageParser.Package pkg : mPackages.values()) { 7755 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7756 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7757 if (res == null) { 7758 res = new ArrayList<PackageParser.Package>(); 7759 } 7760 res.add(pkg); 7761 try { 7762 updateSharedLibrariesLPw(pkg, changingPkg); 7763 } catch (PackageManagerException e) { 7764 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7765 } 7766 } 7767 } 7768 return res; 7769 } 7770 7771 /** 7772 * Derive the value of the {@code cpuAbiOverride} based on the provided 7773 * value and an optional stored value from the package settings. 7774 */ 7775 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7776 String cpuAbiOverride = null; 7777 7778 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7779 cpuAbiOverride = null; 7780 } else if (abiOverride != null) { 7781 cpuAbiOverride = abiOverride; 7782 } else if (settings != null) { 7783 cpuAbiOverride = settings.cpuAbiOverrideString; 7784 } 7785 7786 return cpuAbiOverride; 7787 } 7788 7789 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7790 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7791 throws PackageManagerException { 7792 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7793 // If the package has children and this is the first dive in the function 7794 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7795 // whether all packages (parent and children) would be successfully scanned 7796 // before the actual scan since scanning mutates internal state and we want 7797 // to atomically install the package and its children. 7798 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7799 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7800 scanFlags |= SCAN_CHECK_ONLY; 7801 } 7802 } else { 7803 scanFlags &= ~SCAN_CHECK_ONLY; 7804 } 7805 7806 final PackageParser.Package scannedPkg; 7807 try { 7808 // Scan the parent 7809 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7810 // Scan the children 7811 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7812 for (int i = 0; i < childCount; i++) { 7813 PackageParser.Package childPkg = pkg.childPackages.get(i); 7814 scanPackageLI(childPkg, policyFlags, 7815 scanFlags, currentTime, user); 7816 } 7817 } finally { 7818 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7819 } 7820 7821 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7822 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7823 } 7824 7825 return scannedPkg; 7826 } 7827 7828 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7829 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7830 boolean success = false; 7831 try { 7832 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7833 currentTime, user); 7834 success = true; 7835 return res; 7836 } finally { 7837 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7838 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7839 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7840 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7841 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7842 } 7843 } 7844 } 7845 7846 /** 7847 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7848 */ 7849 private static boolean apkHasCode(String fileName) { 7850 StrictJarFile jarFile = null; 7851 try { 7852 jarFile = new StrictJarFile(fileName, 7853 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7854 return jarFile.findEntry("classes.dex") != null; 7855 } catch (IOException ignore) { 7856 } finally { 7857 try { 7858 if (jarFile != null) { 7859 jarFile.close(); 7860 } 7861 } catch (IOException ignore) {} 7862 } 7863 return false; 7864 } 7865 7866 /** 7867 * Enforces code policy for the package. This ensures that if an APK has 7868 * declared hasCode="true" in its manifest that the APK actually contains 7869 * code. 7870 * 7871 * @throws PackageManagerException If bytecode could not be found when it should exist 7872 */ 7873 private static void enforceCodePolicy(PackageParser.Package pkg) 7874 throws PackageManagerException { 7875 final boolean shouldHaveCode = 7876 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7877 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7878 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7879 "Package " + pkg.baseCodePath + " code is missing"); 7880 } 7881 7882 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7883 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7884 final boolean splitShouldHaveCode = 7885 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7886 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7887 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7888 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7889 } 7890 } 7891 } 7892 } 7893 7894 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7895 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7896 throws PackageManagerException { 7897 final File scanFile = new File(pkg.codePath); 7898 if (pkg.applicationInfo.getCodePath() == null || 7899 pkg.applicationInfo.getResourcePath() == null) { 7900 // Bail out. The resource and code paths haven't been set. 7901 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7902 "Code and resource paths haven't been set correctly"); 7903 } 7904 7905 // Apply policy 7906 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7907 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7908 if (pkg.applicationInfo.isDirectBootAware()) { 7909 // we're direct boot aware; set for all components 7910 for (PackageParser.Service s : pkg.services) { 7911 s.info.encryptionAware = s.info.directBootAware = true; 7912 } 7913 for (PackageParser.Provider p : pkg.providers) { 7914 p.info.encryptionAware = p.info.directBootAware = true; 7915 } 7916 for (PackageParser.Activity a : pkg.activities) { 7917 a.info.encryptionAware = a.info.directBootAware = true; 7918 } 7919 for (PackageParser.Activity r : pkg.receivers) { 7920 r.info.encryptionAware = r.info.directBootAware = true; 7921 } 7922 } 7923 } else { 7924 // Only allow system apps to be flagged as core apps. 7925 pkg.coreApp = false; 7926 // clear flags not applicable to regular apps 7927 pkg.applicationInfo.privateFlags &= 7928 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7929 pkg.applicationInfo.privateFlags &= 7930 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7931 } 7932 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7933 7934 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7935 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7936 } 7937 7938 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7939 enforceCodePolicy(pkg); 7940 } 7941 7942 if (mCustomResolverComponentName != null && 7943 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7944 setUpCustomResolverActivity(pkg); 7945 } 7946 7947 if (pkg.packageName.equals("android")) { 7948 synchronized (mPackages) { 7949 if (mAndroidApplication != null) { 7950 Slog.w(TAG, "*************************************************"); 7951 Slog.w(TAG, "Core android package being redefined. Skipping."); 7952 Slog.w(TAG, " file=" + scanFile); 7953 Slog.w(TAG, "*************************************************"); 7954 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7955 "Core android package being redefined. Skipping."); 7956 } 7957 7958 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7959 // Set up information for our fall-back user intent resolution activity. 7960 mPlatformPackage = pkg; 7961 pkg.mVersionCode = mSdkVersion; 7962 mAndroidApplication = pkg.applicationInfo; 7963 7964 if (!mResolverReplaced) { 7965 mResolveActivity.applicationInfo = mAndroidApplication; 7966 mResolveActivity.name = ResolverActivity.class.getName(); 7967 mResolveActivity.packageName = mAndroidApplication.packageName; 7968 mResolveActivity.processName = "system:ui"; 7969 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7970 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7971 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7972 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7973 mResolveActivity.exported = true; 7974 mResolveActivity.enabled = true; 7975 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7976 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7977 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7978 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7979 | ActivityInfo.CONFIG_ORIENTATION 7980 | ActivityInfo.CONFIG_KEYBOARD 7981 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7982 mResolveInfo.activityInfo = mResolveActivity; 7983 mResolveInfo.priority = 0; 7984 mResolveInfo.preferredOrder = 0; 7985 mResolveInfo.match = 0; 7986 mResolveComponentName = new ComponentName( 7987 mAndroidApplication.packageName, mResolveActivity.name); 7988 } 7989 } 7990 } 7991 } 7992 7993 if (DEBUG_PACKAGE_SCANNING) { 7994 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7995 Log.d(TAG, "Scanning package " + pkg.packageName); 7996 } 7997 7998 synchronized (mPackages) { 7999 if (mPackages.containsKey(pkg.packageName) 8000 || mSharedLibraries.containsKey(pkg.packageName)) { 8001 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8002 "Application package " + pkg.packageName 8003 + " already installed. Skipping duplicate."); 8004 } 8005 8006 // If we're only installing presumed-existing packages, require that the 8007 // scanned APK is both already known and at the path previously established 8008 // for it. Previously unknown packages we pick up normally, but if we have an 8009 // a priori expectation about this package's install presence, enforce it. 8010 // With a singular exception for new system packages. When an OTA contains 8011 // a new system package, we allow the codepath to change from a system location 8012 // to the user-installed location. If we don't allow this change, any newer, 8013 // user-installed version of the application will be ignored. 8014 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8015 if (mExpectingBetter.containsKey(pkg.packageName)) { 8016 logCriticalInfo(Log.WARN, 8017 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8018 } else { 8019 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8020 if (known != null) { 8021 if (DEBUG_PACKAGE_SCANNING) { 8022 Log.d(TAG, "Examining " + pkg.codePath 8023 + " and requiring known paths " + known.codePathString 8024 + " & " + known.resourcePathString); 8025 } 8026 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8027 || !pkg.applicationInfo.getResourcePath().equals( 8028 known.resourcePathString)) { 8029 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8030 "Application package " + pkg.packageName 8031 + " found at " + pkg.applicationInfo.getCodePath() 8032 + " but expected at " + known.codePathString 8033 + "; ignoring."); 8034 } 8035 } 8036 } 8037 } 8038 } 8039 8040 // Initialize package source and resource directories 8041 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8042 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8043 8044 SharedUserSetting suid = null; 8045 PackageSetting pkgSetting = null; 8046 8047 if (!isSystemApp(pkg)) { 8048 // Only system apps can use these features. 8049 pkg.mOriginalPackages = null; 8050 pkg.mRealPackage = null; 8051 pkg.mAdoptPermissions = null; 8052 } 8053 8054 // Getting the package setting may have a side-effect, so if we 8055 // are only checking if scan would succeed, stash a copy of the 8056 // old setting to restore at the end. 8057 PackageSetting nonMutatedPs = null; 8058 8059 // writer 8060 synchronized (mPackages) { 8061 if (pkg.mSharedUserId != null) { 8062 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8063 if (suid == null) { 8064 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8065 "Creating application package " + pkg.packageName 8066 + " for shared user failed"); 8067 } 8068 if (DEBUG_PACKAGE_SCANNING) { 8069 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8070 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8071 + "): packages=" + suid.packages); 8072 } 8073 } 8074 8075 // Check if we are renaming from an original package name. 8076 PackageSetting origPackage = null; 8077 String realName = null; 8078 if (pkg.mOriginalPackages != null) { 8079 // This package may need to be renamed to a previously 8080 // installed name. Let's check on that... 8081 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8082 if (pkg.mOriginalPackages.contains(renamed)) { 8083 // This package had originally been installed as the 8084 // original name, and we have already taken care of 8085 // transitioning to the new one. Just update the new 8086 // one to continue using the old name. 8087 realName = pkg.mRealPackage; 8088 if (!pkg.packageName.equals(renamed)) { 8089 // Callers into this function may have already taken 8090 // care of renaming the package; only do it here if 8091 // it is not already done. 8092 pkg.setPackageName(renamed); 8093 } 8094 8095 } else { 8096 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8097 if ((origPackage = mSettings.peekPackageLPr( 8098 pkg.mOriginalPackages.get(i))) != null) { 8099 // We do have the package already installed under its 8100 // original name... should we use it? 8101 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8102 // New package is not compatible with original. 8103 origPackage = null; 8104 continue; 8105 } else if (origPackage.sharedUser != null) { 8106 // Make sure uid is compatible between packages. 8107 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8108 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8109 + " to " + pkg.packageName + ": old uid " 8110 + origPackage.sharedUser.name 8111 + " differs from " + pkg.mSharedUserId); 8112 origPackage = null; 8113 continue; 8114 } 8115 // TODO: Add case when shared user id is added [b/28144775] 8116 } else { 8117 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8118 + pkg.packageName + " to old name " + origPackage.name); 8119 } 8120 break; 8121 } 8122 } 8123 } 8124 } 8125 8126 if (mTransferedPackages.contains(pkg.packageName)) { 8127 Slog.w(TAG, "Package " + pkg.packageName 8128 + " was transferred to another, but its .apk remains"); 8129 } 8130 8131 // See comments in nonMutatedPs declaration 8132 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8133 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8134 if (foundPs != null) { 8135 nonMutatedPs = new PackageSetting(foundPs); 8136 } 8137 } 8138 8139 // Just create the setting, don't add it yet. For already existing packages 8140 // the PkgSetting exists already and doesn't have to be created. 8141 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8142 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8143 pkg.applicationInfo.primaryCpuAbi, 8144 pkg.applicationInfo.secondaryCpuAbi, 8145 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8146 user, false); 8147 if (pkgSetting == null) { 8148 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8149 "Creating application package " + pkg.packageName + " failed"); 8150 } 8151 8152 if (pkgSetting.origPackage != null) { 8153 // If we are first transitioning from an original package, 8154 // fix up the new package's name now. We need to do this after 8155 // looking up the package under its new name, so getPackageLP 8156 // can take care of fiddling things correctly. 8157 pkg.setPackageName(origPackage.name); 8158 8159 // File a report about this. 8160 String msg = "New package " + pkgSetting.realName 8161 + " renamed to replace old package " + pkgSetting.name; 8162 reportSettingsProblem(Log.WARN, msg); 8163 8164 // Make a note of it. 8165 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8166 mTransferedPackages.add(origPackage.name); 8167 } 8168 8169 // No longer need to retain this. 8170 pkgSetting.origPackage = null; 8171 } 8172 8173 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8174 // Make a note of it. 8175 mTransferedPackages.add(pkg.packageName); 8176 } 8177 8178 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8179 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8180 } 8181 8182 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8183 // Check all shared libraries and map to their actual file path. 8184 // We only do this here for apps not on a system dir, because those 8185 // are the only ones that can fail an install due to this. We 8186 // will take care of the system apps by updating all of their 8187 // library paths after the scan is done. 8188 updateSharedLibrariesLPw(pkg, null); 8189 } 8190 8191 if (mFoundPolicyFile) { 8192 SELinuxMMAC.assignSeinfoValue(pkg); 8193 } 8194 8195 pkg.applicationInfo.uid = pkgSetting.appId; 8196 pkg.mExtras = pkgSetting; 8197 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8198 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8199 // We just determined the app is signed correctly, so bring 8200 // over the latest parsed certs. 8201 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8202 } else { 8203 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8204 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8205 "Package " + pkg.packageName + " upgrade keys do not match the " 8206 + "previously installed version"); 8207 } else { 8208 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8209 String msg = "System package " + pkg.packageName 8210 + " signature changed; retaining data."; 8211 reportSettingsProblem(Log.WARN, msg); 8212 } 8213 } 8214 } else { 8215 try { 8216 verifySignaturesLP(pkgSetting, pkg); 8217 // We just determined the app is signed correctly, so bring 8218 // over the latest parsed certs. 8219 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8220 } catch (PackageManagerException e) { 8221 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8222 throw e; 8223 } 8224 // The signature has changed, but this package is in the system 8225 // image... let's recover! 8226 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8227 // However... if this package is part of a shared user, but it 8228 // doesn't match the signature of the shared user, let's fail. 8229 // What this means is that you can't change the signatures 8230 // associated with an overall shared user, which doesn't seem all 8231 // that unreasonable. 8232 if (pkgSetting.sharedUser != null) { 8233 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8234 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8235 throw new PackageManagerException( 8236 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8237 "Signature mismatch for shared user: " 8238 + pkgSetting.sharedUser); 8239 } 8240 } 8241 // File a report about this. 8242 String msg = "System package " + pkg.packageName 8243 + " signature changed; retaining data."; 8244 reportSettingsProblem(Log.WARN, msg); 8245 } 8246 } 8247 // Verify that this new package doesn't have any content providers 8248 // that conflict with existing packages. Only do this if the 8249 // package isn't already installed, since we don't want to break 8250 // things that are installed. 8251 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8252 final int N = pkg.providers.size(); 8253 int i; 8254 for (i=0; i<N; i++) { 8255 PackageParser.Provider p = pkg.providers.get(i); 8256 if (p.info.authority != null) { 8257 String names[] = p.info.authority.split(";"); 8258 for (int j = 0; j < names.length; j++) { 8259 if (mProvidersByAuthority.containsKey(names[j])) { 8260 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8261 final String otherPackageName = 8262 ((other != null && other.getComponentName() != null) ? 8263 other.getComponentName().getPackageName() : "?"); 8264 throw new PackageManagerException( 8265 INSTALL_FAILED_CONFLICTING_PROVIDER, 8266 "Can't install because provider name " + names[j] 8267 + " (in package " + pkg.applicationInfo.packageName 8268 + ") is already used by " + otherPackageName); 8269 } 8270 } 8271 } 8272 } 8273 } 8274 8275 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8276 // This package wants to adopt ownership of permissions from 8277 // another package. 8278 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8279 final String origName = pkg.mAdoptPermissions.get(i); 8280 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8281 if (orig != null) { 8282 if (verifyPackageUpdateLPr(orig, pkg)) { 8283 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8284 + pkg.packageName); 8285 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8286 } 8287 } 8288 } 8289 } 8290 } 8291 8292 final String pkgName = pkg.packageName; 8293 8294 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8295 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8296 pkg.applicationInfo.processName = fixProcessName( 8297 pkg.applicationInfo.packageName, 8298 pkg.applicationInfo.processName, 8299 pkg.applicationInfo.uid); 8300 8301 if (pkg != mPlatformPackage) { 8302 // Get all of our default paths setup 8303 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8304 } 8305 8306 final String path = scanFile.getPath(); 8307 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8308 8309 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8310 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8311 8312 // Some system apps still use directory structure for native libraries 8313 // in which case we might end up not detecting abi solely based on apk 8314 // structure. Try to detect abi based on directory structure. 8315 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8316 pkg.applicationInfo.primaryCpuAbi == null) { 8317 setBundledAppAbisAndRoots(pkg, pkgSetting); 8318 setNativeLibraryPaths(pkg); 8319 } 8320 8321 } else { 8322 if ((scanFlags & SCAN_MOVE) != 0) { 8323 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8324 // but we already have this packages package info in the PackageSetting. We just 8325 // use that and derive the native library path based on the new codepath. 8326 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8327 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8328 } 8329 8330 // Set native library paths again. For moves, the path will be updated based on the 8331 // ABIs we've determined above. For non-moves, the path will be updated based on the 8332 // ABIs we determined during compilation, but the path will depend on the final 8333 // package path (after the rename away from the stage path). 8334 setNativeLibraryPaths(pkg); 8335 } 8336 8337 // This is a special case for the "system" package, where the ABI is 8338 // dictated by the zygote configuration (and init.rc). We should keep track 8339 // of this ABI so that we can deal with "normal" applications that run under 8340 // the same UID correctly. 8341 if (mPlatformPackage == pkg) { 8342 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8343 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8344 } 8345 8346 // If there's a mismatch between the abi-override in the package setting 8347 // and the abiOverride specified for the install. Warn about this because we 8348 // would've already compiled the app without taking the package setting into 8349 // account. 8350 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8351 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8352 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8353 " for package " + pkg.packageName); 8354 } 8355 } 8356 8357 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8358 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8359 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8360 8361 // Copy the derived override back to the parsed package, so that we can 8362 // update the package settings accordingly. 8363 pkg.cpuAbiOverride = cpuAbiOverride; 8364 8365 if (DEBUG_ABI_SELECTION) { 8366 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8367 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8368 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8369 } 8370 8371 // Push the derived path down into PackageSettings so we know what to 8372 // clean up at uninstall time. 8373 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8374 8375 if (DEBUG_ABI_SELECTION) { 8376 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8377 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8378 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8379 } 8380 8381 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8382 // We don't do this here during boot because we can do it all 8383 // at once after scanning all existing packages. 8384 // 8385 // We also do this *before* we perform dexopt on this package, so that 8386 // we can avoid redundant dexopts, and also to make sure we've got the 8387 // code and package path correct. 8388 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8389 pkg, true /* boot complete */); 8390 } 8391 8392 if (mFactoryTest && pkg.requestedPermissions.contains( 8393 android.Manifest.permission.FACTORY_TEST)) { 8394 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8395 } 8396 8397 if (isSystemApp(pkg)) { 8398 pkgSetting.isOrphaned = true; 8399 } 8400 8401 ArrayList<PackageParser.Package> clientLibPkgs = null; 8402 8403 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8404 if (nonMutatedPs != null) { 8405 synchronized (mPackages) { 8406 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8407 } 8408 } 8409 return pkg; 8410 } 8411 8412 // Only privileged apps and updated privileged apps can add child packages. 8413 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8414 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8415 throw new PackageManagerException("Only privileged apps and updated " 8416 + "privileged apps can add child packages. Ignoring package " 8417 + pkg.packageName); 8418 } 8419 final int childCount = pkg.childPackages.size(); 8420 for (int i = 0; i < childCount; i++) { 8421 PackageParser.Package childPkg = pkg.childPackages.get(i); 8422 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8423 childPkg.packageName)) { 8424 throw new PackageManagerException("Cannot override a child package of " 8425 + "another disabled system app. Ignoring package " + pkg.packageName); 8426 } 8427 } 8428 } 8429 8430 // writer 8431 synchronized (mPackages) { 8432 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8433 // Only system apps can add new shared libraries. 8434 if (pkg.libraryNames != null) { 8435 for (int i=0; i<pkg.libraryNames.size(); i++) { 8436 String name = pkg.libraryNames.get(i); 8437 boolean allowed = false; 8438 if (pkg.isUpdatedSystemApp()) { 8439 // New library entries can only be added through the 8440 // system image. This is important to get rid of a lot 8441 // of nasty edge cases: for example if we allowed a non- 8442 // system update of the app to add a library, then uninstalling 8443 // the update would make the library go away, and assumptions 8444 // we made such as through app install filtering would now 8445 // have allowed apps on the device which aren't compatible 8446 // with it. Better to just have the restriction here, be 8447 // conservative, and create many fewer cases that can negatively 8448 // impact the user experience. 8449 final PackageSetting sysPs = mSettings 8450 .getDisabledSystemPkgLPr(pkg.packageName); 8451 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8452 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8453 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8454 allowed = true; 8455 break; 8456 } 8457 } 8458 } 8459 } else { 8460 allowed = true; 8461 } 8462 if (allowed) { 8463 if (!mSharedLibraries.containsKey(name)) { 8464 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8465 } else if (!name.equals(pkg.packageName)) { 8466 Slog.w(TAG, "Package " + pkg.packageName + " library " 8467 + name + " already exists; skipping"); 8468 } 8469 } else { 8470 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8471 + name + " that is not declared on system image; skipping"); 8472 } 8473 } 8474 if ((scanFlags & SCAN_BOOTING) == 0) { 8475 // If we are not booting, we need to update any applications 8476 // that are clients of our shared library. If we are booting, 8477 // this will all be done once the scan is complete. 8478 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8479 } 8480 } 8481 } 8482 } 8483 8484 if ((scanFlags & SCAN_BOOTING) != 0) { 8485 // No apps can run during boot scan, so they don't need to be frozen 8486 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8487 // Caller asked to not kill app, so it's probably not frozen 8488 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8489 // Caller asked us to ignore frozen check for some reason; they 8490 // probably didn't know the package name 8491 } else { 8492 // We're doing major surgery on this package, so it better be frozen 8493 // right now to keep it from launching 8494 checkPackageFrozen(pkgName); 8495 } 8496 8497 // Also need to kill any apps that are dependent on the library. 8498 if (clientLibPkgs != null) { 8499 for (int i=0; i<clientLibPkgs.size(); i++) { 8500 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8501 killApplication(clientPkg.applicationInfo.packageName, 8502 clientPkg.applicationInfo.uid, "update lib"); 8503 } 8504 } 8505 8506 // Make sure we're not adding any bogus keyset info 8507 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8508 ksms.assertScannedPackageValid(pkg); 8509 8510 // writer 8511 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8512 8513 boolean createIdmapFailed = false; 8514 synchronized (mPackages) { 8515 // We don't expect installation to fail beyond this point 8516 8517 if (pkgSetting.pkg != null) { 8518 // Note that |user| might be null during the initial boot scan. If a codePath 8519 // for an app has changed during a boot scan, it's due to an app update that's 8520 // part of the system partition and marker changes must be applied to all users. 8521 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8522 (user != null) ? user : UserHandle.ALL); 8523 } 8524 8525 // Add the new setting to mSettings 8526 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8527 // Add the new setting to mPackages 8528 mPackages.put(pkg.applicationInfo.packageName, pkg); 8529 // Make sure we don't accidentally delete its data. 8530 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8531 while (iter.hasNext()) { 8532 PackageCleanItem item = iter.next(); 8533 if (pkgName.equals(item.packageName)) { 8534 iter.remove(); 8535 } 8536 } 8537 8538 // Take care of first install / last update times. 8539 if (currentTime != 0) { 8540 if (pkgSetting.firstInstallTime == 0) { 8541 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8542 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8543 pkgSetting.lastUpdateTime = currentTime; 8544 } 8545 } else if (pkgSetting.firstInstallTime == 0) { 8546 // We need *something*. Take time time stamp of the file. 8547 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8548 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8549 if (scanFileTime != pkgSetting.timeStamp) { 8550 // A package on the system image has changed; consider this 8551 // to be an update. 8552 pkgSetting.lastUpdateTime = scanFileTime; 8553 } 8554 } 8555 8556 // Add the package's KeySets to the global KeySetManagerService 8557 ksms.addScannedPackageLPw(pkg); 8558 8559 int N = pkg.providers.size(); 8560 StringBuilder r = null; 8561 int i; 8562 for (i=0; i<N; i++) { 8563 PackageParser.Provider p = pkg.providers.get(i); 8564 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8565 p.info.processName, pkg.applicationInfo.uid); 8566 mProviders.addProvider(p); 8567 p.syncable = p.info.isSyncable; 8568 if (p.info.authority != null) { 8569 String names[] = p.info.authority.split(";"); 8570 p.info.authority = null; 8571 for (int j = 0; j < names.length; j++) { 8572 if (j == 1 && p.syncable) { 8573 // We only want the first authority for a provider to possibly be 8574 // syncable, so if we already added this provider using a different 8575 // authority clear the syncable flag. We copy the provider before 8576 // changing it because the mProviders object contains a reference 8577 // to a provider that we don't want to change. 8578 // Only do this for the second authority since the resulting provider 8579 // object can be the same for all future authorities for this provider. 8580 p = new PackageParser.Provider(p); 8581 p.syncable = false; 8582 } 8583 if (!mProvidersByAuthority.containsKey(names[j])) { 8584 mProvidersByAuthority.put(names[j], p); 8585 if (p.info.authority == null) { 8586 p.info.authority = names[j]; 8587 } else { 8588 p.info.authority = p.info.authority + ";" + names[j]; 8589 } 8590 if (DEBUG_PACKAGE_SCANNING) { 8591 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8592 Log.d(TAG, "Registered content provider: " + names[j] 8593 + ", className = " + p.info.name + ", isSyncable = " 8594 + p.info.isSyncable); 8595 } 8596 } else { 8597 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8598 Slog.w(TAG, "Skipping provider name " + names[j] + 8599 " (in package " + pkg.applicationInfo.packageName + 8600 "): name already used by " 8601 + ((other != null && other.getComponentName() != null) 8602 ? other.getComponentName().getPackageName() : "?")); 8603 } 8604 } 8605 } 8606 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8607 if (r == null) { 8608 r = new StringBuilder(256); 8609 } else { 8610 r.append(' '); 8611 } 8612 r.append(p.info.name); 8613 } 8614 } 8615 if (r != null) { 8616 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8617 } 8618 8619 N = pkg.services.size(); 8620 r = null; 8621 for (i=0; i<N; i++) { 8622 PackageParser.Service s = pkg.services.get(i); 8623 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8624 s.info.processName, pkg.applicationInfo.uid); 8625 mServices.addService(s); 8626 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8627 if (r == null) { 8628 r = new StringBuilder(256); 8629 } else { 8630 r.append(' '); 8631 } 8632 r.append(s.info.name); 8633 } 8634 } 8635 if (r != null) { 8636 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8637 } 8638 8639 N = pkg.receivers.size(); 8640 r = null; 8641 for (i=0; i<N; i++) { 8642 PackageParser.Activity a = pkg.receivers.get(i); 8643 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8644 a.info.processName, pkg.applicationInfo.uid); 8645 mReceivers.addActivity(a, "receiver"); 8646 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8647 if (r == null) { 8648 r = new StringBuilder(256); 8649 } else { 8650 r.append(' '); 8651 } 8652 r.append(a.info.name); 8653 } 8654 } 8655 if (r != null) { 8656 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8657 } 8658 8659 N = pkg.activities.size(); 8660 r = null; 8661 for (i=0; i<N; i++) { 8662 PackageParser.Activity a = pkg.activities.get(i); 8663 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8664 a.info.processName, pkg.applicationInfo.uid); 8665 mActivities.addActivity(a, "activity"); 8666 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8667 if (r == null) { 8668 r = new StringBuilder(256); 8669 } else { 8670 r.append(' '); 8671 } 8672 r.append(a.info.name); 8673 } 8674 } 8675 if (r != null) { 8676 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8677 } 8678 8679 N = pkg.permissionGroups.size(); 8680 r = null; 8681 for (i=0; i<N; i++) { 8682 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8683 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8684 final String curPackageName = cur == null ? null : cur.info.packageName; 8685 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 8686 if (cur == null || isPackageUpdate) { 8687 mPermissionGroups.put(pg.info.name, pg); 8688 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8689 if (r == null) { 8690 r = new StringBuilder(256); 8691 } else { 8692 r.append(' '); 8693 } 8694 if (isPackageUpdate) { 8695 r.append("UPD:"); 8696 } 8697 r.append(pg.info.name); 8698 } 8699 } else { 8700 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8701 + pg.info.packageName + " ignored: original from " 8702 + cur.info.packageName); 8703 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8704 if (r == null) { 8705 r = new StringBuilder(256); 8706 } else { 8707 r.append(' '); 8708 } 8709 r.append("DUP:"); 8710 r.append(pg.info.name); 8711 } 8712 } 8713 } 8714 if (r != null) { 8715 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8716 } 8717 8718 N = pkg.permissions.size(); 8719 r = null; 8720 for (i=0; i<N; i++) { 8721 PackageParser.Permission p = pkg.permissions.get(i); 8722 8723 // Assume by default that we did not install this permission into the system. 8724 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8725 8726 // Now that permission groups have a special meaning, we ignore permission 8727 // groups for legacy apps to prevent unexpected behavior. In particular, 8728 // permissions for one app being granted to someone just becase they happen 8729 // to be in a group defined by another app (before this had no implications). 8730 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8731 p.group = mPermissionGroups.get(p.info.group); 8732 // Warn for a permission in an unknown group. 8733 if (p.info.group != null && p.group == null) { 8734 Slog.w(TAG, "Permission " + p.info.name + " from package " 8735 + p.info.packageName + " in an unknown group " + p.info.group); 8736 } 8737 } 8738 8739 ArrayMap<String, BasePermission> permissionMap = 8740 p.tree ? mSettings.mPermissionTrees 8741 : mSettings.mPermissions; 8742 BasePermission bp = permissionMap.get(p.info.name); 8743 8744 // Allow system apps to redefine non-system permissions 8745 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8746 final boolean currentOwnerIsSystem = (bp.perm != null 8747 && isSystemApp(bp.perm.owner)); 8748 if (isSystemApp(p.owner)) { 8749 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8750 // It's a built-in permission and no owner, take ownership now 8751 bp.packageSetting = pkgSetting; 8752 bp.perm = p; 8753 bp.uid = pkg.applicationInfo.uid; 8754 bp.sourcePackage = p.info.packageName; 8755 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8756 } else if (!currentOwnerIsSystem) { 8757 String msg = "New decl " + p.owner + " of permission " 8758 + p.info.name + " is system; overriding " + bp.sourcePackage; 8759 reportSettingsProblem(Log.WARN, msg); 8760 bp = null; 8761 } 8762 } 8763 } 8764 8765 if (bp == null) { 8766 bp = new BasePermission(p.info.name, p.info.packageName, 8767 BasePermission.TYPE_NORMAL); 8768 permissionMap.put(p.info.name, bp); 8769 } 8770 8771 if (bp.perm == null) { 8772 if (bp.sourcePackage == null 8773 || bp.sourcePackage.equals(p.info.packageName)) { 8774 BasePermission tree = findPermissionTreeLP(p.info.name); 8775 if (tree == null 8776 || tree.sourcePackage.equals(p.info.packageName)) { 8777 bp.packageSetting = pkgSetting; 8778 bp.perm = p; 8779 bp.uid = pkg.applicationInfo.uid; 8780 bp.sourcePackage = p.info.packageName; 8781 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8782 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8783 if (r == null) { 8784 r = new StringBuilder(256); 8785 } else { 8786 r.append(' '); 8787 } 8788 r.append(p.info.name); 8789 } 8790 } else { 8791 Slog.w(TAG, "Permission " + p.info.name + " from package " 8792 + p.info.packageName + " ignored: base tree " 8793 + tree.name + " is from package " 8794 + tree.sourcePackage); 8795 } 8796 } else { 8797 Slog.w(TAG, "Permission " + p.info.name + " from package " 8798 + p.info.packageName + " ignored: original from " 8799 + bp.sourcePackage); 8800 } 8801 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8802 if (r == null) { 8803 r = new StringBuilder(256); 8804 } else { 8805 r.append(' '); 8806 } 8807 r.append("DUP:"); 8808 r.append(p.info.name); 8809 } 8810 if (bp.perm == p) { 8811 bp.protectionLevel = p.info.protectionLevel; 8812 } 8813 } 8814 8815 if (r != null) { 8816 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8817 } 8818 8819 N = pkg.instrumentation.size(); 8820 r = null; 8821 for (i=0; i<N; i++) { 8822 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8823 a.info.packageName = pkg.applicationInfo.packageName; 8824 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8825 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8826 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8827 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8828 a.info.dataDir = pkg.applicationInfo.dataDir; 8829 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8830 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8831 8832 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8833 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8834 mInstrumentation.put(a.getComponentName(), a); 8835 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8836 if (r == null) { 8837 r = new StringBuilder(256); 8838 } else { 8839 r.append(' '); 8840 } 8841 r.append(a.info.name); 8842 } 8843 } 8844 if (r != null) { 8845 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8846 } 8847 8848 if (pkg.protectedBroadcasts != null) { 8849 N = pkg.protectedBroadcasts.size(); 8850 for (i=0; i<N; i++) { 8851 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8852 } 8853 } 8854 8855 pkgSetting.setTimeStamp(scanFileTime); 8856 8857 // Create idmap files for pairs of (packages, overlay packages). 8858 // Note: "android", ie framework-res.apk, is handled by native layers. 8859 if (pkg.mOverlayTarget != null) { 8860 // This is an overlay package. 8861 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8862 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8863 mOverlays.put(pkg.mOverlayTarget, 8864 new ArrayMap<String, PackageParser.Package>()); 8865 } 8866 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8867 map.put(pkg.packageName, pkg); 8868 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8869 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8870 createIdmapFailed = true; 8871 } 8872 } 8873 } else if (mOverlays.containsKey(pkg.packageName) && 8874 !pkg.packageName.equals("android")) { 8875 // This is a regular package, with one or more known overlay packages. 8876 createIdmapsForPackageLI(pkg); 8877 } 8878 } 8879 8880 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8881 8882 if (createIdmapFailed) { 8883 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8884 "scanPackageLI failed to createIdmap"); 8885 } 8886 return pkg; 8887 } 8888 8889 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8890 PackageParser.Package update, UserHandle user) { 8891 if (existing.applicationInfo == null || update.applicationInfo == null) { 8892 // This isn't due to an app installation. 8893 return; 8894 } 8895 8896 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8897 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8898 8899 // The codePath hasn't changed, so there's nothing for us to do. 8900 if (Objects.equals(oldCodePath, newCodePath)) { 8901 return; 8902 } 8903 8904 File canonicalNewCodePath; 8905 try { 8906 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 8907 } catch (IOException e) { 8908 Slog.w(TAG, "Failed to get canonical path.", e); 8909 return; 8910 } 8911 8912 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 8913 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 8914 // that the last component of the path (i.e, the name) doesn't need canonicalization 8915 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 8916 // but may change in the future. Hopefully this function won't exist at that point. 8917 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 8918 oldCodePath.getName()); 8919 8920 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 8921 // with "@". 8922 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 8923 if (!oldMarkerPrefix.endsWith("@")) { 8924 oldMarkerPrefix += "@"; 8925 } 8926 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 8927 if (!newMarkerPrefix.endsWith("@")) { 8928 newMarkerPrefix += "@"; 8929 } 8930 8931 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 8932 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 8933 for (String updatedPath : updatedPaths) { 8934 String updatedPathName = new File(updatedPath).getName(); 8935 markerSuffixes.add(updatedPathName.replace('/', '@')); 8936 } 8937 8938 for (int userId : resolveUserIds(user.getIdentifier())) { 8939 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 8940 8941 for (String markerSuffix : markerSuffixes) { 8942 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 8943 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 8944 if (oldForeignUseMark.exists()) { 8945 try { 8946 Os.rename(oldForeignUseMark.getAbsolutePath(), 8947 newForeignUseMark.getAbsolutePath()); 8948 } catch (ErrnoException e) { 8949 Slog.w(TAG, "Failed to rename foreign use marker", e); 8950 oldForeignUseMark.delete(); 8951 } 8952 } 8953 } 8954 } 8955 } 8956 8957 /** 8958 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8959 * is derived purely on the basis of the contents of {@code scanFile} and 8960 * {@code cpuAbiOverride}. 8961 * 8962 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8963 */ 8964 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8965 String cpuAbiOverride, boolean extractLibs) 8966 throws PackageManagerException { 8967 // TODO: We can probably be smarter about this stuff. For installed apps, 8968 // we can calculate this information at install time once and for all. For 8969 // system apps, we can probably assume that this information doesn't change 8970 // after the first boot scan. As things stand, we do lots of unnecessary work. 8971 8972 // Give ourselves some initial paths; we'll come back for another 8973 // pass once we've determined ABI below. 8974 setNativeLibraryPaths(pkg); 8975 8976 // We would never need to extract libs for forward-locked and external packages, 8977 // since the container service will do it for us. We shouldn't attempt to 8978 // extract libs from system app when it was not updated. 8979 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8980 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8981 extractLibs = false; 8982 } 8983 8984 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8985 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8986 8987 NativeLibraryHelper.Handle handle = null; 8988 try { 8989 handle = NativeLibraryHelper.Handle.create(pkg); 8990 // TODO(multiArch): This can be null for apps that didn't go through the 8991 // usual installation process. We can calculate it again, like we 8992 // do during install time. 8993 // 8994 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8995 // unnecessary. 8996 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8997 8998 // Null out the abis so that they can be recalculated. 8999 pkg.applicationInfo.primaryCpuAbi = null; 9000 pkg.applicationInfo.secondaryCpuAbi = null; 9001 if (isMultiArch(pkg.applicationInfo)) { 9002 // Warn if we've set an abiOverride for multi-lib packages.. 9003 // By definition, we need to copy both 32 and 64 bit libraries for 9004 // such packages. 9005 if (pkg.cpuAbiOverride != null 9006 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9007 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9008 } 9009 9010 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9011 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9012 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9013 if (extractLibs) { 9014 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9015 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9016 useIsaSpecificSubdirs); 9017 } else { 9018 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9019 } 9020 } 9021 9022 maybeThrowExceptionForMultiArchCopy( 9023 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9024 9025 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9026 if (extractLibs) { 9027 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9028 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9029 useIsaSpecificSubdirs); 9030 } else { 9031 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9032 } 9033 } 9034 9035 maybeThrowExceptionForMultiArchCopy( 9036 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9037 9038 if (abi64 >= 0) { 9039 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9040 } 9041 9042 if (abi32 >= 0) { 9043 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9044 if (abi64 >= 0) { 9045 if (pkg.use32bitAbi) { 9046 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9047 pkg.applicationInfo.primaryCpuAbi = abi; 9048 } else { 9049 pkg.applicationInfo.secondaryCpuAbi = abi; 9050 } 9051 } else { 9052 pkg.applicationInfo.primaryCpuAbi = abi; 9053 } 9054 } 9055 9056 } else { 9057 String[] abiList = (cpuAbiOverride != null) ? 9058 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9059 9060 // Enable gross and lame hacks for apps that are built with old 9061 // SDK tools. We must scan their APKs for renderscript bitcode and 9062 // not launch them if it's present. Don't bother checking on devices 9063 // that don't have 64 bit support. 9064 boolean needsRenderScriptOverride = false; 9065 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9066 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9067 abiList = Build.SUPPORTED_32_BIT_ABIS; 9068 needsRenderScriptOverride = true; 9069 } 9070 9071 final int copyRet; 9072 if (extractLibs) { 9073 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9074 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9075 } else { 9076 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9077 } 9078 9079 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9080 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9081 "Error unpackaging native libs for app, errorCode=" + copyRet); 9082 } 9083 9084 if (copyRet >= 0) { 9085 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9086 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9087 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9088 } else if (needsRenderScriptOverride) { 9089 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9090 } 9091 } 9092 } catch (IOException ioe) { 9093 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9094 } finally { 9095 IoUtils.closeQuietly(handle); 9096 } 9097 9098 // Now that we've calculated the ABIs and determined if it's an internal app, 9099 // we will go ahead and populate the nativeLibraryPath. 9100 setNativeLibraryPaths(pkg); 9101 } 9102 9103 /** 9104 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9105 * i.e, so that all packages can be run inside a single process if required. 9106 * 9107 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9108 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9109 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9110 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9111 * updating a package that belongs to a shared user. 9112 * 9113 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9114 * adds unnecessary complexity. 9115 */ 9116 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9117 PackageParser.Package scannedPackage, boolean bootComplete) { 9118 String requiredInstructionSet = null; 9119 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9120 requiredInstructionSet = VMRuntime.getInstructionSet( 9121 scannedPackage.applicationInfo.primaryCpuAbi); 9122 } 9123 9124 PackageSetting requirer = null; 9125 for (PackageSetting ps : packagesForUser) { 9126 // If packagesForUser contains scannedPackage, we skip it. This will happen 9127 // when scannedPackage is an update of an existing package. Without this check, 9128 // we will never be able to change the ABI of any package belonging to a shared 9129 // user, even if it's compatible with other packages. 9130 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9131 if (ps.primaryCpuAbiString == null) { 9132 continue; 9133 } 9134 9135 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9136 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9137 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9138 // this but there's not much we can do. 9139 String errorMessage = "Instruction set mismatch, " 9140 + ((requirer == null) ? "[caller]" : requirer) 9141 + " requires " + requiredInstructionSet + " whereas " + ps 9142 + " requires " + instructionSet; 9143 Slog.w(TAG, errorMessage); 9144 } 9145 9146 if (requiredInstructionSet == null) { 9147 requiredInstructionSet = instructionSet; 9148 requirer = ps; 9149 } 9150 } 9151 } 9152 9153 if (requiredInstructionSet != null) { 9154 String adjustedAbi; 9155 if (requirer != null) { 9156 // requirer != null implies that either scannedPackage was null or that scannedPackage 9157 // did not require an ABI, in which case we have to adjust scannedPackage to match 9158 // the ABI of the set (which is the same as requirer's ABI) 9159 adjustedAbi = requirer.primaryCpuAbiString; 9160 if (scannedPackage != null) { 9161 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9162 } 9163 } else { 9164 // requirer == null implies that we're updating all ABIs in the set to 9165 // match scannedPackage. 9166 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9167 } 9168 9169 for (PackageSetting ps : packagesForUser) { 9170 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9171 if (ps.primaryCpuAbiString != null) { 9172 continue; 9173 } 9174 9175 ps.primaryCpuAbiString = adjustedAbi; 9176 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9177 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9178 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9179 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9180 + " (requirer=" 9181 + (requirer == null ? "null" : requirer.pkg.packageName) 9182 + ", scannedPackage=" 9183 + (scannedPackage != null ? scannedPackage.packageName : "null") 9184 + ")"); 9185 try { 9186 mInstaller.rmdex(ps.codePathString, 9187 getDexCodeInstructionSet(getPreferredInstructionSet())); 9188 } catch (InstallerException ignored) { 9189 } 9190 } 9191 } 9192 } 9193 } 9194 } 9195 9196 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9197 synchronized (mPackages) { 9198 mResolverReplaced = true; 9199 // Set up information for custom user intent resolution activity. 9200 mResolveActivity.applicationInfo = pkg.applicationInfo; 9201 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9202 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9203 mResolveActivity.processName = pkg.applicationInfo.packageName; 9204 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9205 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9206 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9207 mResolveActivity.theme = 0; 9208 mResolveActivity.exported = true; 9209 mResolveActivity.enabled = true; 9210 mResolveInfo.activityInfo = mResolveActivity; 9211 mResolveInfo.priority = 0; 9212 mResolveInfo.preferredOrder = 0; 9213 mResolveInfo.match = 0; 9214 mResolveComponentName = mCustomResolverComponentName; 9215 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9216 mResolveComponentName); 9217 } 9218 } 9219 9220 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9221 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9222 9223 // Set up information for ephemeral installer activity 9224 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9225 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9226 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9227 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9228 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9229 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9230 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9231 mEphemeralInstallerActivity.theme = 0; 9232 mEphemeralInstallerActivity.exported = true; 9233 mEphemeralInstallerActivity.enabled = true; 9234 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9235 mEphemeralInstallerInfo.priority = 0; 9236 mEphemeralInstallerInfo.preferredOrder = 0; 9237 mEphemeralInstallerInfo.match = 0; 9238 9239 if (DEBUG_EPHEMERAL) { 9240 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9241 } 9242 } 9243 9244 private static String calculateBundledApkRoot(final String codePathString) { 9245 final File codePath = new File(codePathString); 9246 final File codeRoot; 9247 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9248 codeRoot = Environment.getRootDirectory(); 9249 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9250 codeRoot = Environment.getOemDirectory(); 9251 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9252 codeRoot = Environment.getVendorDirectory(); 9253 } else { 9254 // Unrecognized code path; take its top real segment as the apk root: 9255 // e.g. /something/app/blah.apk => /something 9256 try { 9257 File f = codePath.getCanonicalFile(); 9258 File parent = f.getParentFile(); // non-null because codePath is a file 9259 File tmp; 9260 while ((tmp = parent.getParentFile()) != null) { 9261 f = parent; 9262 parent = tmp; 9263 } 9264 codeRoot = f; 9265 Slog.w(TAG, "Unrecognized code path " 9266 + codePath + " - using " + codeRoot); 9267 } catch (IOException e) { 9268 // Can't canonicalize the code path -- shenanigans? 9269 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9270 return Environment.getRootDirectory().getPath(); 9271 } 9272 } 9273 return codeRoot.getPath(); 9274 } 9275 9276 /** 9277 * Derive and set the location of native libraries for the given package, 9278 * which varies depending on where and how the package was installed. 9279 */ 9280 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9281 final ApplicationInfo info = pkg.applicationInfo; 9282 final String codePath = pkg.codePath; 9283 final File codeFile = new File(codePath); 9284 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9285 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9286 9287 info.nativeLibraryRootDir = null; 9288 info.nativeLibraryRootRequiresIsa = false; 9289 info.nativeLibraryDir = null; 9290 info.secondaryNativeLibraryDir = null; 9291 9292 if (isApkFile(codeFile)) { 9293 // Monolithic install 9294 if (bundledApp) { 9295 // If "/system/lib64/apkname" exists, assume that is the per-package 9296 // native library directory to use; otherwise use "/system/lib/apkname". 9297 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9298 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9299 getPrimaryInstructionSet(info)); 9300 9301 // This is a bundled system app so choose the path based on the ABI. 9302 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9303 // is just the default path. 9304 final String apkName = deriveCodePathName(codePath); 9305 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9306 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9307 apkName).getAbsolutePath(); 9308 9309 if (info.secondaryCpuAbi != null) { 9310 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9311 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9312 secondaryLibDir, apkName).getAbsolutePath(); 9313 } 9314 } else if (asecApp) { 9315 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9316 .getAbsolutePath(); 9317 } else { 9318 final String apkName = deriveCodePathName(codePath); 9319 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9320 .getAbsolutePath(); 9321 } 9322 9323 info.nativeLibraryRootRequiresIsa = false; 9324 info.nativeLibraryDir = info.nativeLibraryRootDir; 9325 } else { 9326 // Cluster install 9327 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9328 info.nativeLibraryRootRequiresIsa = true; 9329 9330 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9331 getPrimaryInstructionSet(info)).getAbsolutePath(); 9332 9333 if (info.secondaryCpuAbi != null) { 9334 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9335 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9336 } 9337 } 9338 } 9339 9340 /** 9341 * Calculate the abis and roots for a bundled app. These can uniquely 9342 * be determined from the contents of the system partition, i.e whether 9343 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9344 * of this information, and instead assume that the system was built 9345 * sensibly. 9346 */ 9347 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9348 PackageSetting pkgSetting) { 9349 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9350 9351 // If "/system/lib64/apkname" exists, assume that is the per-package 9352 // native library directory to use; otherwise use "/system/lib/apkname". 9353 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9354 setBundledAppAbi(pkg, apkRoot, apkName); 9355 // pkgSetting might be null during rescan following uninstall of updates 9356 // to a bundled app, so accommodate that possibility. The settings in 9357 // that case will be established later from the parsed package. 9358 // 9359 // If the settings aren't null, sync them up with what we've just derived. 9360 // note that apkRoot isn't stored in the package settings. 9361 if (pkgSetting != null) { 9362 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9363 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9364 } 9365 } 9366 9367 /** 9368 * Deduces the ABI of a bundled app and sets the relevant fields on the 9369 * parsed pkg object. 9370 * 9371 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9372 * under which system libraries are installed. 9373 * @param apkName the name of the installed package. 9374 */ 9375 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9376 final File codeFile = new File(pkg.codePath); 9377 9378 final boolean has64BitLibs; 9379 final boolean has32BitLibs; 9380 if (isApkFile(codeFile)) { 9381 // Monolithic install 9382 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9383 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9384 } else { 9385 // Cluster install 9386 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9387 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9388 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9389 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9390 has64BitLibs = (new File(rootDir, isa)).exists(); 9391 } else { 9392 has64BitLibs = false; 9393 } 9394 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9395 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9396 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9397 has32BitLibs = (new File(rootDir, isa)).exists(); 9398 } else { 9399 has32BitLibs = false; 9400 } 9401 } 9402 9403 if (has64BitLibs && !has32BitLibs) { 9404 // The package has 64 bit libs, but not 32 bit libs. Its primary 9405 // ABI should be 64 bit. We can safely assume here that the bundled 9406 // native libraries correspond to the most preferred ABI in the list. 9407 9408 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9409 pkg.applicationInfo.secondaryCpuAbi = null; 9410 } else if (has32BitLibs && !has64BitLibs) { 9411 // The package has 32 bit libs but not 64 bit libs. Its primary 9412 // ABI should be 32 bit. 9413 9414 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9415 pkg.applicationInfo.secondaryCpuAbi = null; 9416 } else if (has32BitLibs && has64BitLibs) { 9417 // The application has both 64 and 32 bit bundled libraries. We check 9418 // here that the app declares multiArch support, and warn if it doesn't. 9419 // 9420 // We will be lenient here and record both ABIs. The primary will be the 9421 // ABI that's higher on the list, i.e, a device that's configured to prefer 9422 // 64 bit apps will see a 64 bit primary ABI, 9423 9424 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9425 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9426 } 9427 9428 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9429 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9430 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9431 } else { 9432 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9433 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9434 } 9435 } else { 9436 pkg.applicationInfo.primaryCpuAbi = null; 9437 pkg.applicationInfo.secondaryCpuAbi = null; 9438 } 9439 } 9440 9441 private void killApplication(String pkgName, int appId, String reason) { 9442 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9443 } 9444 9445 private void killApplication(String pkgName, int appId, int userId, String reason) { 9446 // Request the ActivityManager to kill the process(only for existing packages) 9447 // so that we do not end up in a confused state while the user is still using the older 9448 // version of the application while the new one gets installed. 9449 final long token = Binder.clearCallingIdentity(); 9450 try { 9451 IActivityManager am = ActivityManagerNative.getDefault(); 9452 if (am != null) { 9453 try { 9454 am.killApplication(pkgName, appId, userId, reason); 9455 } catch (RemoteException e) { 9456 } 9457 } 9458 } finally { 9459 Binder.restoreCallingIdentity(token); 9460 } 9461 } 9462 9463 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9464 // Remove the parent package setting 9465 PackageSetting ps = (PackageSetting) pkg.mExtras; 9466 if (ps != null) { 9467 removePackageLI(ps, chatty); 9468 } 9469 // Remove the child package setting 9470 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9471 for (int i = 0; i < childCount; i++) { 9472 PackageParser.Package childPkg = pkg.childPackages.get(i); 9473 ps = (PackageSetting) childPkg.mExtras; 9474 if (ps != null) { 9475 removePackageLI(ps, chatty); 9476 } 9477 } 9478 } 9479 9480 void removePackageLI(PackageSetting ps, boolean chatty) { 9481 if (DEBUG_INSTALL) { 9482 if (chatty) 9483 Log.d(TAG, "Removing package " + ps.name); 9484 } 9485 9486 // writer 9487 synchronized (mPackages) { 9488 mPackages.remove(ps.name); 9489 final PackageParser.Package pkg = ps.pkg; 9490 if (pkg != null) { 9491 cleanPackageDataStructuresLILPw(pkg, chatty); 9492 } 9493 } 9494 } 9495 9496 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9497 if (DEBUG_INSTALL) { 9498 if (chatty) 9499 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9500 } 9501 9502 // writer 9503 synchronized (mPackages) { 9504 // Remove the parent package 9505 mPackages.remove(pkg.applicationInfo.packageName); 9506 cleanPackageDataStructuresLILPw(pkg, chatty); 9507 9508 // Remove the child packages 9509 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9510 for (int i = 0; i < childCount; i++) { 9511 PackageParser.Package childPkg = pkg.childPackages.get(i); 9512 mPackages.remove(childPkg.applicationInfo.packageName); 9513 cleanPackageDataStructuresLILPw(childPkg, chatty); 9514 } 9515 } 9516 } 9517 9518 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9519 int N = pkg.providers.size(); 9520 StringBuilder r = null; 9521 int i; 9522 for (i=0; i<N; i++) { 9523 PackageParser.Provider p = pkg.providers.get(i); 9524 mProviders.removeProvider(p); 9525 if (p.info.authority == null) { 9526 9527 /* There was another ContentProvider with this authority when 9528 * this app was installed so this authority is null, 9529 * Ignore it as we don't have to unregister the provider. 9530 */ 9531 continue; 9532 } 9533 String names[] = p.info.authority.split(";"); 9534 for (int j = 0; j < names.length; j++) { 9535 if (mProvidersByAuthority.get(names[j]) == p) { 9536 mProvidersByAuthority.remove(names[j]); 9537 if (DEBUG_REMOVE) { 9538 if (chatty) 9539 Log.d(TAG, "Unregistered content provider: " + names[j] 9540 + ", className = " + p.info.name + ", isSyncable = " 9541 + p.info.isSyncable); 9542 } 9543 } 9544 } 9545 if (DEBUG_REMOVE && chatty) { 9546 if (r == null) { 9547 r = new StringBuilder(256); 9548 } else { 9549 r.append(' '); 9550 } 9551 r.append(p.info.name); 9552 } 9553 } 9554 if (r != null) { 9555 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9556 } 9557 9558 N = pkg.services.size(); 9559 r = null; 9560 for (i=0; i<N; i++) { 9561 PackageParser.Service s = pkg.services.get(i); 9562 mServices.removeService(s); 9563 if (chatty) { 9564 if (r == null) { 9565 r = new StringBuilder(256); 9566 } else { 9567 r.append(' '); 9568 } 9569 r.append(s.info.name); 9570 } 9571 } 9572 if (r != null) { 9573 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9574 } 9575 9576 N = pkg.receivers.size(); 9577 r = null; 9578 for (i=0; i<N; i++) { 9579 PackageParser.Activity a = pkg.receivers.get(i); 9580 mReceivers.removeActivity(a, "receiver"); 9581 if (DEBUG_REMOVE && chatty) { 9582 if (r == null) { 9583 r = new StringBuilder(256); 9584 } else { 9585 r.append(' '); 9586 } 9587 r.append(a.info.name); 9588 } 9589 } 9590 if (r != null) { 9591 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9592 } 9593 9594 N = pkg.activities.size(); 9595 r = null; 9596 for (i=0; i<N; i++) { 9597 PackageParser.Activity a = pkg.activities.get(i); 9598 mActivities.removeActivity(a, "activity"); 9599 if (DEBUG_REMOVE && chatty) { 9600 if (r == null) { 9601 r = new StringBuilder(256); 9602 } else { 9603 r.append(' '); 9604 } 9605 r.append(a.info.name); 9606 } 9607 } 9608 if (r != null) { 9609 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9610 } 9611 9612 N = pkg.permissions.size(); 9613 r = null; 9614 for (i=0; i<N; i++) { 9615 PackageParser.Permission p = pkg.permissions.get(i); 9616 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9617 if (bp == null) { 9618 bp = mSettings.mPermissionTrees.get(p.info.name); 9619 } 9620 if (bp != null && bp.perm == p) { 9621 bp.perm = null; 9622 if (DEBUG_REMOVE && chatty) { 9623 if (r == null) { 9624 r = new StringBuilder(256); 9625 } else { 9626 r.append(' '); 9627 } 9628 r.append(p.info.name); 9629 } 9630 } 9631 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9632 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9633 if (appOpPkgs != null) { 9634 appOpPkgs.remove(pkg.packageName); 9635 } 9636 } 9637 } 9638 if (r != null) { 9639 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9640 } 9641 9642 N = pkg.requestedPermissions.size(); 9643 r = null; 9644 for (i=0; i<N; i++) { 9645 String perm = pkg.requestedPermissions.get(i); 9646 BasePermission bp = mSettings.mPermissions.get(perm); 9647 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9648 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9649 if (appOpPkgs != null) { 9650 appOpPkgs.remove(pkg.packageName); 9651 if (appOpPkgs.isEmpty()) { 9652 mAppOpPermissionPackages.remove(perm); 9653 } 9654 } 9655 } 9656 } 9657 if (r != null) { 9658 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9659 } 9660 9661 N = pkg.instrumentation.size(); 9662 r = null; 9663 for (i=0; i<N; i++) { 9664 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9665 mInstrumentation.remove(a.getComponentName()); 9666 if (DEBUG_REMOVE && chatty) { 9667 if (r == null) { 9668 r = new StringBuilder(256); 9669 } else { 9670 r.append(' '); 9671 } 9672 r.append(a.info.name); 9673 } 9674 } 9675 if (r != null) { 9676 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9677 } 9678 9679 r = null; 9680 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9681 // Only system apps can hold shared libraries. 9682 if (pkg.libraryNames != null) { 9683 for (i=0; i<pkg.libraryNames.size(); i++) { 9684 String name = pkg.libraryNames.get(i); 9685 SharedLibraryEntry cur = mSharedLibraries.get(name); 9686 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9687 mSharedLibraries.remove(name); 9688 if (DEBUG_REMOVE && chatty) { 9689 if (r == null) { 9690 r = new StringBuilder(256); 9691 } else { 9692 r.append(' '); 9693 } 9694 r.append(name); 9695 } 9696 } 9697 } 9698 } 9699 } 9700 if (r != null) { 9701 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9702 } 9703 } 9704 9705 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9706 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9707 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9708 return true; 9709 } 9710 } 9711 return false; 9712 } 9713 9714 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9715 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9716 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9717 9718 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9719 // Update the parent permissions 9720 updatePermissionsLPw(pkg.packageName, pkg, flags); 9721 // Update the child permissions 9722 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9723 for (int i = 0; i < childCount; i++) { 9724 PackageParser.Package childPkg = pkg.childPackages.get(i); 9725 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9726 } 9727 } 9728 9729 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9730 int flags) { 9731 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9732 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9733 } 9734 9735 private void updatePermissionsLPw(String changingPkg, 9736 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9737 // Make sure there are no dangling permission trees. 9738 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9739 while (it.hasNext()) { 9740 final BasePermission bp = it.next(); 9741 if (bp.packageSetting == null) { 9742 // We may not yet have parsed the package, so just see if 9743 // we still know about its settings. 9744 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9745 } 9746 if (bp.packageSetting == null) { 9747 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9748 + " from package " + bp.sourcePackage); 9749 it.remove(); 9750 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9751 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9752 Slog.i(TAG, "Removing old permission tree: " + bp.name 9753 + " from package " + bp.sourcePackage); 9754 flags |= UPDATE_PERMISSIONS_ALL; 9755 it.remove(); 9756 } 9757 } 9758 } 9759 9760 // Make sure all dynamic permissions have been assigned to a package, 9761 // and make sure there are no dangling permissions. 9762 it = mSettings.mPermissions.values().iterator(); 9763 while (it.hasNext()) { 9764 final BasePermission bp = it.next(); 9765 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9766 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9767 + bp.name + " pkg=" + bp.sourcePackage 9768 + " info=" + bp.pendingInfo); 9769 if (bp.packageSetting == null && bp.pendingInfo != null) { 9770 final BasePermission tree = findPermissionTreeLP(bp.name); 9771 if (tree != null && tree.perm != null) { 9772 bp.packageSetting = tree.packageSetting; 9773 bp.perm = new PackageParser.Permission(tree.perm.owner, 9774 new PermissionInfo(bp.pendingInfo)); 9775 bp.perm.info.packageName = tree.perm.info.packageName; 9776 bp.perm.info.name = bp.name; 9777 bp.uid = tree.uid; 9778 } 9779 } 9780 } 9781 if (bp.packageSetting == null) { 9782 // We may not yet have parsed the package, so just see if 9783 // we still know about its settings. 9784 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9785 } 9786 if (bp.packageSetting == null) { 9787 Slog.w(TAG, "Removing dangling permission: " + bp.name 9788 + " from package " + bp.sourcePackage); 9789 it.remove(); 9790 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9791 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9792 Slog.i(TAG, "Removing old permission: " + bp.name 9793 + " from package " + bp.sourcePackage); 9794 flags |= UPDATE_PERMISSIONS_ALL; 9795 it.remove(); 9796 } 9797 } 9798 } 9799 9800 // Now update the permissions for all packages, in particular 9801 // replace the granted permissions of the system packages. 9802 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9803 for (PackageParser.Package pkg : mPackages.values()) { 9804 if (pkg != pkgInfo) { 9805 // Only replace for packages on requested volume 9806 final String volumeUuid = getVolumeUuidForPackage(pkg); 9807 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9808 && Objects.equals(replaceVolumeUuid, volumeUuid); 9809 grantPermissionsLPw(pkg, replace, changingPkg); 9810 } 9811 } 9812 } 9813 9814 if (pkgInfo != null) { 9815 // Only replace for packages on requested volume 9816 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9817 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9818 && Objects.equals(replaceVolumeUuid, volumeUuid); 9819 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9820 } 9821 } 9822 9823 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9824 String packageOfInterest) { 9825 // IMPORTANT: There are two types of permissions: install and runtime. 9826 // Install time permissions are granted when the app is installed to 9827 // all device users and users added in the future. Runtime permissions 9828 // are granted at runtime explicitly to specific users. Normal and signature 9829 // protected permissions are install time permissions. Dangerous permissions 9830 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9831 // otherwise they are runtime permissions. This function does not manage 9832 // runtime permissions except for the case an app targeting Lollipop MR1 9833 // being upgraded to target a newer SDK, in which case dangerous permissions 9834 // are transformed from install time to runtime ones. 9835 9836 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9837 if (ps == null) { 9838 return; 9839 } 9840 9841 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9842 9843 PermissionsState permissionsState = ps.getPermissionsState(); 9844 PermissionsState origPermissions = permissionsState; 9845 9846 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9847 9848 boolean runtimePermissionsRevoked = false; 9849 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9850 9851 boolean changedInstallPermission = false; 9852 9853 if (replace) { 9854 ps.installPermissionsFixed = false; 9855 if (!ps.isSharedUser()) { 9856 origPermissions = new PermissionsState(permissionsState); 9857 permissionsState.reset(); 9858 } else { 9859 // We need to know only about runtime permission changes since the 9860 // calling code always writes the install permissions state but 9861 // the runtime ones are written only if changed. The only cases of 9862 // changed runtime permissions here are promotion of an install to 9863 // runtime and revocation of a runtime from a shared user. 9864 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9865 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9866 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9867 runtimePermissionsRevoked = true; 9868 } 9869 } 9870 } 9871 9872 permissionsState.setGlobalGids(mGlobalGids); 9873 9874 final int N = pkg.requestedPermissions.size(); 9875 for (int i=0; i<N; i++) { 9876 final String name = pkg.requestedPermissions.get(i); 9877 final BasePermission bp = mSettings.mPermissions.get(name); 9878 9879 if (DEBUG_INSTALL) { 9880 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9881 } 9882 9883 if (bp == null || bp.packageSetting == null) { 9884 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9885 Slog.w(TAG, "Unknown permission " + name 9886 + " in package " + pkg.packageName); 9887 } 9888 continue; 9889 } 9890 9891 final String perm = bp.name; 9892 boolean allowedSig = false; 9893 int grant = GRANT_DENIED; 9894 9895 // Keep track of app op permissions. 9896 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9897 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9898 if (pkgs == null) { 9899 pkgs = new ArraySet<>(); 9900 mAppOpPermissionPackages.put(bp.name, pkgs); 9901 } 9902 pkgs.add(pkg.packageName); 9903 } 9904 9905 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9906 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9907 >= Build.VERSION_CODES.M; 9908 switch (level) { 9909 case PermissionInfo.PROTECTION_NORMAL: { 9910 // For all apps normal permissions are install time ones. 9911 grant = GRANT_INSTALL; 9912 } break; 9913 9914 case PermissionInfo.PROTECTION_DANGEROUS: { 9915 // If a permission review is required for legacy apps we represent 9916 // their permissions as always granted runtime ones since we need 9917 // to keep the review required permission flag per user while an 9918 // install permission's state is shared across all users. 9919 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9920 // For legacy apps dangerous permissions are install time ones. 9921 grant = GRANT_INSTALL; 9922 } else if (origPermissions.hasInstallPermission(bp.name)) { 9923 // For legacy apps that became modern, install becomes runtime. 9924 grant = GRANT_UPGRADE; 9925 } else if (mPromoteSystemApps 9926 && isSystemApp(ps) 9927 && mExistingSystemPackages.contains(ps.name)) { 9928 // For legacy system apps, install becomes runtime. 9929 // We cannot check hasInstallPermission() for system apps since those 9930 // permissions were granted implicitly and not persisted pre-M. 9931 grant = GRANT_UPGRADE; 9932 } else { 9933 // For modern apps keep runtime permissions unchanged. 9934 grant = GRANT_RUNTIME; 9935 } 9936 } break; 9937 9938 case PermissionInfo.PROTECTION_SIGNATURE: { 9939 // For all apps signature permissions are install time ones. 9940 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9941 if (allowedSig) { 9942 grant = GRANT_INSTALL; 9943 } 9944 } break; 9945 } 9946 9947 if (DEBUG_INSTALL) { 9948 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9949 } 9950 9951 if (grant != GRANT_DENIED) { 9952 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9953 // If this is an existing, non-system package, then 9954 // we can't add any new permissions to it. 9955 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9956 // Except... if this is a permission that was added 9957 // to the platform (note: need to only do this when 9958 // updating the platform). 9959 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9960 grant = GRANT_DENIED; 9961 } 9962 } 9963 } 9964 9965 switch (grant) { 9966 case GRANT_INSTALL: { 9967 // Revoke this as runtime permission to handle the case of 9968 // a runtime permission being downgraded to an install one. 9969 // Also in permission review mode we keep dangerous permissions 9970 // for legacy apps 9971 for (int userId : UserManagerService.getInstance().getUserIds()) { 9972 if (origPermissions.getRuntimePermissionState( 9973 bp.name, userId) != null) { 9974 // Revoke the runtime permission and clear the flags. 9975 origPermissions.revokeRuntimePermission(bp, userId); 9976 origPermissions.updatePermissionFlags(bp, userId, 9977 PackageManager.MASK_PERMISSION_FLAGS, 0); 9978 // If we revoked a permission permission, we have to write. 9979 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9980 changedRuntimePermissionUserIds, userId); 9981 } 9982 } 9983 // Grant an install permission. 9984 if (permissionsState.grantInstallPermission(bp) != 9985 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9986 changedInstallPermission = true; 9987 } 9988 } break; 9989 9990 case GRANT_RUNTIME: { 9991 // Grant previously granted runtime permissions. 9992 for (int userId : UserManagerService.getInstance().getUserIds()) { 9993 PermissionState permissionState = origPermissions 9994 .getRuntimePermissionState(bp.name, userId); 9995 int flags = permissionState != null 9996 ? permissionState.getFlags() : 0; 9997 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9998 if (permissionsState.grantRuntimePermission(bp, userId) == 9999 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10000 // If we cannot put the permission as it was, we have to write. 10001 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10002 changedRuntimePermissionUserIds, userId); 10003 } 10004 // If the app supports runtime permissions no need for a review. 10005 if (Build.PERMISSIONS_REVIEW_REQUIRED 10006 && appSupportsRuntimePermissions 10007 && (flags & PackageManager 10008 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10009 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10010 // Since we changed the flags, we have to write. 10011 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10012 changedRuntimePermissionUserIds, userId); 10013 } 10014 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10015 && !appSupportsRuntimePermissions) { 10016 // For legacy apps that need a permission review, every new 10017 // runtime permission is granted but it is pending a review. 10018 // We also need to review only platform defined runtime 10019 // permissions as these are the only ones the platform knows 10020 // how to disable the API to simulate revocation as legacy 10021 // apps don't expect to run with revoked permissions. 10022 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10023 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10024 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10025 // We changed the flags, hence have to write. 10026 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10027 changedRuntimePermissionUserIds, userId); 10028 } 10029 } 10030 if (permissionsState.grantRuntimePermission(bp, userId) 10031 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10032 // We changed the permission, hence have to write. 10033 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10034 changedRuntimePermissionUserIds, userId); 10035 } 10036 } 10037 // Propagate the permission flags. 10038 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10039 } 10040 } break; 10041 10042 case GRANT_UPGRADE: { 10043 // Grant runtime permissions for a previously held install permission. 10044 PermissionState permissionState = origPermissions 10045 .getInstallPermissionState(bp.name); 10046 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10047 10048 if (origPermissions.revokeInstallPermission(bp) 10049 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10050 // We will be transferring the permission flags, so clear them. 10051 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10052 PackageManager.MASK_PERMISSION_FLAGS, 0); 10053 changedInstallPermission = true; 10054 } 10055 10056 // If the permission is not to be promoted to runtime we ignore it and 10057 // also its other flags as they are not applicable to install permissions. 10058 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10059 for (int userId : currentUserIds) { 10060 if (permissionsState.grantRuntimePermission(bp, userId) != 10061 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10062 // Transfer the permission flags. 10063 permissionsState.updatePermissionFlags(bp, userId, 10064 flags, flags); 10065 // If we granted the permission, we have to write. 10066 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10067 changedRuntimePermissionUserIds, userId); 10068 } 10069 } 10070 } 10071 } break; 10072 10073 default: { 10074 if (packageOfInterest == null 10075 || packageOfInterest.equals(pkg.packageName)) { 10076 Slog.w(TAG, "Not granting permission " + perm 10077 + " to package " + pkg.packageName 10078 + " because it was previously installed without"); 10079 } 10080 } break; 10081 } 10082 } else { 10083 if (permissionsState.revokeInstallPermission(bp) != 10084 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10085 // Also drop the permission flags. 10086 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10087 PackageManager.MASK_PERMISSION_FLAGS, 0); 10088 changedInstallPermission = true; 10089 Slog.i(TAG, "Un-granting permission " + perm 10090 + " from package " + pkg.packageName 10091 + " (protectionLevel=" + bp.protectionLevel 10092 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10093 + ")"); 10094 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10095 // Don't print warning for app op permissions, since it is fine for them 10096 // not to be granted, there is a UI for the user to decide. 10097 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10098 Slog.w(TAG, "Not granting permission " + perm 10099 + " to package " + pkg.packageName 10100 + " (protectionLevel=" + bp.protectionLevel 10101 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10102 + ")"); 10103 } 10104 } 10105 } 10106 } 10107 10108 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10109 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10110 // This is the first that we have heard about this package, so the 10111 // permissions we have now selected are fixed until explicitly 10112 // changed. 10113 ps.installPermissionsFixed = true; 10114 } 10115 10116 // Persist the runtime permissions state for users with changes. If permissions 10117 // were revoked because no app in the shared user declares them we have to 10118 // write synchronously to avoid losing runtime permissions state. 10119 for (int userId : changedRuntimePermissionUserIds) { 10120 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10121 } 10122 10123 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10124 } 10125 10126 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10127 boolean allowed = false; 10128 final int NP = PackageParser.NEW_PERMISSIONS.length; 10129 for (int ip=0; ip<NP; ip++) { 10130 final PackageParser.NewPermissionInfo npi 10131 = PackageParser.NEW_PERMISSIONS[ip]; 10132 if (npi.name.equals(perm) 10133 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10134 allowed = true; 10135 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10136 + pkg.packageName); 10137 break; 10138 } 10139 } 10140 return allowed; 10141 } 10142 10143 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10144 BasePermission bp, PermissionsState origPermissions) { 10145 boolean allowed; 10146 allowed = (compareSignatures( 10147 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10148 == PackageManager.SIGNATURE_MATCH) 10149 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10150 == PackageManager.SIGNATURE_MATCH); 10151 if (!allowed && (bp.protectionLevel 10152 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10153 if (isSystemApp(pkg)) { 10154 // For updated system applications, a system permission 10155 // is granted only if it had been defined by the original application. 10156 if (pkg.isUpdatedSystemApp()) { 10157 final PackageSetting sysPs = mSettings 10158 .getDisabledSystemPkgLPr(pkg.packageName); 10159 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10160 // If the original was granted this permission, we take 10161 // that grant decision as read and propagate it to the 10162 // update. 10163 if (sysPs.isPrivileged()) { 10164 allowed = true; 10165 } 10166 } else { 10167 // The system apk may have been updated with an older 10168 // version of the one on the data partition, but which 10169 // granted a new system permission that it didn't have 10170 // before. In this case we do want to allow the app to 10171 // now get the new permission if the ancestral apk is 10172 // privileged to get it. 10173 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10174 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10175 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10176 allowed = true; 10177 break; 10178 } 10179 } 10180 } 10181 // Also if a privileged parent package on the system image or any of 10182 // its children requested a privileged permission, the updated child 10183 // packages can also get the permission. 10184 if (pkg.parentPackage != null) { 10185 final PackageSetting disabledSysParentPs = mSettings 10186 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10187 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10188 && disabledSysParentPs.isPrivileged()) { 10189 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10190 allowed = true; 10191 } else if (disabledSysParentPs.pkg.childPackages != null) { 10192 final int count = disabledSysParentPs.pkg.childPackages.size(); 10193 for (int i = 0; i < count; i++) { 10194 PackageParser.Package disabledSysChildPkg = 10195 disabledSysParentPs.pkg.childPackages.get(i); 10196 if (isPackageRequestingPermission(disabledSysChildPkg, 10197 perm)) { 10198 allowed = true; 10199 break; 10200 } 10201 } 10202 } 10203 } 10204 } 10205 } 10206 } else { 10207 allowed = isPrivilegedApp(pkg); 10208 } 10209 } 10210 } 10211 if (!allowed) { 10212 if (!allowed && (bp.protectionLevel 10213 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10214 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10215 // If this was a previously normal/dangerous permission that got moved 10216 // to a system permission as part of the runtime permission redesign, then 10217 // we still want to blindly grant it to old apps. 10218 allowed = true; 10219 } 10220 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10221 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10222 // If this permission is to be granted to the system installer and 10223 // this app is an installer, then it gets the permission. 10224 allowed = true; 10225 } 10226 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10227 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10228 // If this permission is to be granted to the system verifier and 10229 // this app is a verifier, then it gets the permission. 10230 allowed = true; 10231 } 10232 if (!allowed && (bp.protectionLevel 10233 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10234 && isSystemApp(pkg)) { 10235 // Any pre-installed system app is allowed to get this permission. 10236 allowed = true; 10237 } 10238 if (!allowed && (bp.protectionLevel 10239 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10240 // For development permissions, a development permission 10241 // is granted only if it was already granted. 10242 allowed = origPermissions.hasInstallPermission(perm); 10243 } 10244 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10245 && pkg.packageName.equals(mSetupWizardPackage)) { 10246 // If this permission is to be granted to the system setup wizard and 10247 // this app is a setup wizard, then it gets the permission. 10248 allowed = true; 10249 } 10250 } 10251 return allowed; 10252 } 10253 10254 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10255 final int permCount = pkg.requestedPermissions.size(); 10256 for (int j = 0; j < permCount; j++) { 10257 String requestedPermission = pkg.requestedPermissions.get(j); 10258 if (permission.equals(requestedPermission)) { 10259 return true; 10260 } 10261 } 10262 return false; 10263 } 10264 10265 final class ActivityIntentResolver 10266 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10267 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10268 boolean defaultOnly, int userId) { 10269 if (!sUserManager.exists(userId)) return null; 10270 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10271 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10272 } 10273 10274 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10275 int userId) { 10276 if (!sUserManager.exists(userId)) return null; 10277 mFlags = flags; 10278 return super.queryIntent(intent, resolvedType, 10279 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10280 } 10281 10282 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10283 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10284 if (!sUserManager.exists(userId)) return null; 10285 if (packageActivities == null) { 10286 return null; 10287 } 10288 mFlags = flags; 10289 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10290 final int N = packageActivities.size(); 10291 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10292 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10293 10294 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10295 for (int i = 0; i < N; ++i) { 10296 intentFilters = packageActivities.get(i).intents; 10297 if (intentFilters != null && intentFilters.size() > 0) { 10298 PackageParser.ActivityIntentInfo[] array = 10299 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10300 intentFilters.toArray(array); 10301 listCut.add(array); 10302 } 10303 } 10304 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10305 } 10306 10307 /** 10308 * Finds a privileged activity that matches the specified activity names. 10309 */ 10310 private PackageParser.Activity findMatchingActivity( 10311 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10312 for (PackageParser.Activity sysActivity : activityList) { 10313 if (sysActivity.info.name.equals(activityInfo.name)) { 10314 return sysActivity; 10315 } 10316 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10317 return sysActivity; 10318 } 10319 if (sysActivity.info.targetActivity != null) { 10320 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10321 return sysActivity; 10322 } 10323 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10324 return sysActivity; 10325 } 10326 } 10327 } 10328 return null; 10329 } 10330 10331 public class IterGenerator<E> { 10332 public Iterator<E> generate(ActivityIntentInfo info) { 10333 return null; 10334 } 10335 } 10336 10337 public class ActionIterGenerator extends IterGenerator<String> { 10338 @Override 10339 public Iterator<String> generate(ActivityIntentInfo info) { 10340 return info.actionsIterator(); 10341 } 10342 } 10343 10344 public class CategoriesIterGenerator extends IterGenerator<String> { 10345 @Override 10346 public Iterator<String> generate(ActivityIntentInfo info) { 10347 return info.categoriesIterator(); 10348 } 10349 } 10350 10351 public class SchemesIterGenerator extends IterGenerator<String> { 10352 @Override 10353 public Iterator<String> generate(ActivityIntentInfo info) { 10354 return info.schemesIterator(); 10355 } 10356 } 10357 10358 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10359 @Override 10360 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10361 return info.authoritiesIterator(); 10362 } 10363 } 10364 10365 /** 10366 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10367 * MODIFIED. Do not pass in a list that should not be changed. 10368 */ 10369 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10370 IterGenerator<T> generator, Iterator<T> searchIterator) { 10371 // loop through the set of actions; every one must be found in the intent filter 10372 while (searchIterator.hasNext()) { 10373 // we must have at least one filter in the list to consider a match 10374 if (intentList.size() == 0) { 10375 break; 10376 } 10377 10378 final T searchAction = searchIterator.next(); 10379 10380 // loop through the set of intent filters 10381 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10382 while (intentIter.hasNext()) { 10383 final ActivityIntentInfo intentInfo = intentIter.next(); 10384 boolean selectionFound = false; 10385 10386 // loop through the intent filter's selection criteria; at least one 10387 // of them must match the searched criteria 10388 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10389 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10390 final T intentSelection = intentSelectionIter.next(); 10391 if (intentSelection != null && intentSelection.equals(searchAction)) { 10392 selectionFound = true; 10393 break; 10394 } 10395 } 10396 10397 // the selection criteria wasn't found in this filter's set; this filter 10398 // is not a potential match 10399 if (!selectionFound) { 10400 intentIter.remove(); 10401 } 10402 } 10403 } 10404 } 10405 10406 private boolean isProtectedAction(ActivityIntentInfo filter) { 10407 final Iterator<String> actionsIter = filter.actionsIterator(); 10408 while (actionsIter != null && actionsIter.hasNext()) { 10409 final String filterAction = actionsIter.next(); 10410 if (PROTECTED_ACTIONS.contains(filterAction)) { 10411 return true; 10412 } 10413 } 10414 return false; 10415 } 10416 10417 /** 10418 * Adjusts the priority of the given intent filter according to policy. 10419 * <p> 10420 * <ul> 10421 * <li>The priority for non privileged applications is capped to '0'</li> 10422 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10423 * <li>The priority for unbundled updates to privileged applications is capped to the 10424 * priority defined on the system partition</li> 10425 * </ul> 10426 * <p> 10427 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10428 * allowed to obtain any priority on any action. 10429 */ 10430 private void adjustPriority( 10431 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10432 // nothing to do; priority is fine as-is 10433 if (intent.getPriority() <= 0) { 10434 return; 10435 } 10436 10437 final ActivityInfo activityInfo = intent.activity.info; 10438 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10439 10440 final boolean privilegedApp = 10441 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10442 if (!privilegedApp) { 10443 // non-privileged applications can never define a priority >0 10444 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10445 + " package: " + applicationInfo.packageName 10446 + " activity: " + intent.activity.className 10447 + " origPrio: " + intent.getPriority()); 10448 intent.setPriority(0); 10449 return; 10450 } 10451 10452 if (systemActivities == null) { 10453 // the system package is not disabled; we're parsing the system partition 10454 if (isProtectedAction(intent)) { 10455 if (mDeferProtectedFilters) { 10456 // We can't deal with these just yet. No component should ever obtain a 10457 // >0 priority for a protected actions, with ONE exception -- the setup 10458 // wizard. The setup wizard, however, cannot be known until we're able to 10459 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10460 // until all intent filters have been processed. Chicken, meet egg. 10461 // Let the filter temporarily have a high priority and rectify the 10462 // priorities after all system packages have been scanned. 10463 mProtectedFilters.add(intent); 10464 if (DEBUG_FILTERS) { 10465 Slog.i(TAG, "Protected action; save for later;" 10466 + " package: " + applicationInfo.packageName 10467 + " activity: " + intent.activity.className 10468 + " origPrio: " + intent.getPriority()); 10469 } 10470 return; 10471 } else { 10472 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10473 Slog.i(TAG, "No setup wizard;" 10474 + " All protected intents capped to priority 0"); 10475 } 10476 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10477 if (DEBUG_FILTERS) { 10478 Slog.i(TAG, "Found setup wizard;" 10479 + " allow priority " + intent.getPriority() + ";" 10480 + " package: " + intent.activity.info.packageName 10481 + " activity: " + intent.activity.className 10482 + " priority: " + intent.getPriority()); 10483 } 10484 // setup wizard gets whatever it wants 10485 return; 10486 } 10487 Slog.w(TAG, "Protected action; cap priority to 0;" 10488 + " package: " + intent.activity.info.packageName 10489 + " activity: " + intent.activity.className 10490 + " origPrio: " + intent.getPriority()); 10491 intent.setPriority(0); 10492 return; 10493 } 10494 } 10495 // privileged apps on the system image get whatever priority they request 10496 return; 10497 } 10498 10499 // privileged app unbundled update ... try to find the same activity 10500 final PackageParser.Activity foundActivity = 10501 findMatchingActivity(systemActivities, activityInfo); 10502 if (foundActivity == null) { 10503 // this is a new activity; it cannot obtain >0 priority 10504 if (DEBUG_FILTERS) { 10505 Slog.i(TAG, "New activity; cap priority to 0;" 10506 + " package: " + applicationInfo.packageName 10507 + " activity: " + intent.activity.className 10508 + " origPrio: " + intent.getPriority()); 10509 } 10510 intent.setPriority(0); 10511 return; 10512 } 10513 10514 // found activity, now check for filter equivalence 10515 10516 // a shallow copy is enough; we modify the list, not its contents 10517 final List<ActivityIntentInfo> intentListCopy = 10518 new ArrayList<>(foundActivity.intents); 10519 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10520 10521 // find matching action subsets 10522 final Iterator<String> actionsIterator = intent.actionsIterator(); 10523 if (actionsIterator != null) { 10524 getIntentListSubset( 10525 intentListCopy, new ActionIterGenerator(), actionsIterator); 10526 if (intentListCopy.size() == 0) { 10527 // no more intents to match; we're not equivalent 10528 if (DEBUG_FILTERS) { 10529 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10530 + " package: " + applicationInfo.packageName 10531 + " activity: " + intent.activity.className 10532 + " origPrio: " + intent.getPriority()); 10533 } 10534 intent.setPriority(0); 10535 return; 10536 } 10537 } 10538 10539 // find matching category subsets 10540 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10541 if (categoriesIterator != null) { 10542 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10543 categoriesIterator); 10544 if (intentListCopy.size() == 0) { 10545 // no more intents to match; we're not equivalent 10546 if (DEBUG_FILTERS) { 10547 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10548 + " package: " + applicationInfo.packageName 10549 + " activity: " + intent.activity.className 10550 + " origPrio: " + intent.getPriority()); 10551 } 10552 intent.setPriority(0); 10553 return; 10554 } 10555 } 10556 10557 // find matching schemes subsets 10558 final Iterator<String> schemesIterator = intent.schemesIterator(); 10559 if (schemesIterator != null) { 10560 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10561 schemesIterator); 10562 if (intentListCopy.size() == 0) { 10563 // no more intents to match; we're not equivalent 10564 if (DEBUG_FILTERS) { 10565 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10566 + " package: " + applicationInfo.packageName 10567 + " activity: " + intent.activity.className 10568 + " origPrio: " + intent.getPriority()); 10569 } 10570 intent.setPriority(0); 10571 return; 10572 } 10573 } 10574 10575 // find matching authorities subsets 10576 final Iterator<IntentFilter.AuthorityEntry> 10577 authoritiesIterator = intent.authoritiesIterator(); 10578 if (authoritiesIterator != null) { 10579 getIntentListSubset(intentListCopy, 10580 new AuthoritiesIterGenerator(), 10581 authoritiesIterator); 10582 if (intentListCopy.size() == 0) { 10583 // no more intents to match; we're not equivalent 10584 if (DEBUG_FILTERS) { 10585 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10586 + " package: " + applicationInfo.packageName 10587 + " activity: " + intent.activity.className 10588 + " origPrio: " + intent.getPriority()); 10589 } 10590 intent.setPriority(0); 10591 return; 10592 } 10593 } 10594 10595 // we found matching filter(s); app gets the max priority of all intents 10596 int cappedPriority = 0; 10597 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10598 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10599 } 10600 if (intent.getPriority() > cappedPriority) { 10601 if (DEBUG_FILTERS) { 10602 Slog.i(TAG, "Found matching filter(s);" 10603 + " cap priority to " + cappedPriority + ";" 10604 + " package: " + applicationInfo.packageName 10605 + " activity: " + intent.activity.className 10606 + " origPrio: " + intent.getPriority()); 10607 } 10608 intent.setPriority(cappedPriority); 10609 return; 10610 } 10611 // all this for nothing; the requested priority was <= what was on the system 10612 } 10613 10614 public final void addActivity(PackageParser.Activity a, String type) { 10615 mActivities.put(a.getComponentName(), a); 10616 if (DEBUG_SHOW_INFO) 10617 Log.v( 10618 TAG, " " + type + " " + 10619 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10620 if (DEBUG_SHOW_INFO) 10621 Log.v(TAG, " Class=" + a.info.name); 10622 final int NI = a.intents.size(); 10623 for (int j=0; j<NI; j++) { 10624 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10625 if ("activity".equals(type)) { 10626 final PackageSetting ps = 10627 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10628 final List<PackageParser.Activity> systemActivities = 10629 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10630 adjustPriority(systemActivities, intent); 10631 } 10632 if (DEBUG_SHOW_INFO) { 10633 Log.v(TAG, " IntentFilter:"); 10634 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10635 } 10636 if (!intent.debugCheck()) { 10637 Log.w(TAG, "==> For Activity " + a.info.name); 10638 } 10639 addFilter(intent); 10640 } 10641 } 10642 10643 public final void removeActivity(PackageParser.Activity a, String type) { 10644 mActivities.remove(a.getComponentName()); 10645 if (DEBUG_SHOW_INFO) { 10646 Log.v(TAG, " " + type + " " 10647 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10648 : a.info.name) + ":"); 10649 Log.v(TAG, " Class=" + a.info.name); 10650 } 10651 final int NI = a.intents.size(); 10652 for (int j=0; j<NI; j++) { 10653 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10654 if (DEBUG_SHOW_INFO) { 10655 Log.v(TAG, " IntentFilter:"); 10656 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10657 } 10658 removeFilter(intent); 10659 } 10660 } 10661 10662 @Override 10663 protected boolean allowFilterResult( 10664 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10665 ActivityInfo filterAi = filter.activity.info; 10666 for (int i=dest.size()-1; i>=0; i--) { 10667 ActivityInfo destAi = dest.get(i).activityInfo; 10668 if (destAi.name == filterAi.name 10669 && destAi.packageName == filterAi.packageName) { 10670 return false; 10671 } 10672 } 10673 return true; 10674 } 10675 10676 @Override 10677 protected ActivityIntentInfo[] newArray(int size) { 10678 return new ActivityIntentInfo[size]; 10679 } 10680 10681 @Override 10682 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10683 if (!sUserManager.exists(userId)) return true; 10684 PackageParser.Package p = filter.activity.owner; 10685 if (p != null) { 10686 PackageSetting ps = (PackageSetting)p.mExtras; 10687 if (ps != null) { 10688 // System apps are never considered stopped for purposes of 10689 // filtering, because there may be no way for the user to 10690 // actually re-launch them. 10691 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10692 && ps.getStopped(userId); 10693 } 10694 } 10695 return false; 10696 } 10697 10698 @Override 10699 protected boolean isPackageForFilter(String packageName, 10700 PackageParser.ActivityIntentInfo info) { 10701 return packageName.equals(info.activity.owner.packageName); 10702 } 10703 10704 @Override 10705 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10706 int match, int userId) { 10707 if (!sUserManager.exists(userId)) return null; 10708 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10709 return null; 10710 } 10711 final PackageParser.Activity activity = info.activity; 10712 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10713 if (ps == null) { 10714 return null; 10715 } 10716 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10717 ps.readUserState(userId), userId); 10718 if (ai == null) { 10719 return null; 10720 } 10721 final ResolveInfo res = new ResolveInfo(); 10722 res.activityInfo = ai; 10723 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10724 res.filter = info; 10725 } 10726 if (info != null) { 10727 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10728 } 10729 res.priority = info.getPriority(); 10730 res.preferredOrder = activity.owner.mPreferredOrder; 10731 //System.out.println("Result: " + res.activityInfo.className + 10732 // " = " + res.priority); 10733 res.match = match; 10734 res.isDefault = info.hasDefault; 10735 res.labelRes = info.labelRes; 10736 res.nonLocalizedLabel = info.nonLocalizedLabel; 10737 if (userNeedsBadging(userId)) { 10738 res.noResourceId = true; 10739 } else { 10740 res.icon = info.icon; 10741 } 10742 res.iconResourceId = info.icon; 10743 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10744 return res; 10745 } 10746 10747 @Override 10748 protected void sortResults(List<ResolveInfo> results) { 10749 Collections.sort(results, mResolvePrioritySorter); 10750 } 10751 10752 @Override 10753 protected void dumpFilter(PrintWriter out, String prefix, 10754 PackageParser.ActivityIntentInfo filter) { 10755 out.print(prefix); out.print( 10756 Integer.toHexString(System.identityHashCode(filter.activity))); 10757 out.print(' '); 10758 filter.activity.printComponentShortName(out); 10759 out.print(" filter "); 10760 out.println(Integer.toHexString(System.identityHashCode(filter))); 10761 } 10762 10763 @Override 10764 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10765 return filter.activity; 10766 } 10767 10768 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10769 PackageParser.Activity activity = (PackageParser.Activity)label; 10770 out.print(prefix); out.print( 10771 Integer.toHexString(System.identityHashCode(activity))); 10772 out.print(' '); 10773 activity.printComponentShortName(out); 10774 if (count > 1) { 10775 out.print(" ("); out.print(count); out.print(" filters)"); 10776 } 10777 out.println(); 10778 } 10779 10780 // Keys are String (activity class name), values are Activity. 10781 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10782 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10783 private int mFlags; 10784 } 10785 10786 private final class ServiceIntentResolver 10787 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10788 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10789 boolean defaultOnly, int userId) { 10790 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10791 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10792 } 10793 10794 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10795 int userId) { 10796 if (!sUserManager.exists(userId)) return null; 10797 mFlags = flags; 10798 return super.queryIntent(intent, resolvedType, 10799 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10800 } 10801 10802 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10803 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10804 if (!sUserManager.exists(userId)) return null; 10805 if (packageServices == null) { 10806 return null; 10807 } 10808 mFlags = flags; 10809 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10810 final int N = packageServices.size(); 10811 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10812 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10813 10814 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10815 for (int i = 0; i < N; ++i) { 10816 intentFilters = packageServices.get(i).intents; 10817 if (intentFilters != null && intentFilters.size() > 0) { 10818 PackageParser.ServiceIntentInfo[] array = 10819 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10820 intentFilters.toArray(array); 10821 listCut.add(array); 10822 } 10823 } 10824 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10825 } 10826 10827 public final void addService(PackageParser.Service s) { 10828 mServices.put(s.getComponentName(), s); 10829 if (DEBUG_SHOW_INFO) { 10830 Log.v(TAG, " " 10831 + (s.info.nonLocalizedLabel != null 10832 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10833 Log.v(TAG, " Class=" + s.info.name); 10834 } 10835 final int NI = s.intents.size(); 10836 int j; 10837 for (j=0; j<NI; j++) { 10838 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10839 if (DEBUG_SHOW_INFO) { 10840 Log.v(TAG, " IntentFilter:"); 10841 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10842 } 10843 if (!intent.debugCheck()) { 10844 Log.w(TAG, "==> For Service " + s.info.name); 10845 } 10846 addFilter(intent); 10847 } 10848 } 10849 10850 public final void removeService(PackageParser.Service s) { 10851 mServices.remove(s.getComponentName()); 10852 if (DEBUG_SHOW_INFO) { 10853 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10854 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10855 Log.v(TAG, " Class=" + s.info.name); 10856 } 10857 final int NI = s.intents.size(); 10858 int j; 10859 for (j=0; j<NI; j++) { 10860 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10861 if (DEBUG_SHOW_INFO) { 10862 Log.v(TAG, " IntentFilter:"); 10863 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10864 } 10865 removeFilter(intent); 10866 } 10867 } 10868 10869 @Override 10870 protected boolean allowFilterResult( 10871 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10872 ServiceInfo filterSi = filter.service.info; 10873 for (int i=dest.size()-1; i>=0; i--) { 10874 ServiceInfo destAi = dest.get(i).serviceInfo; 10875 if (destAi.name == filterSi.name 10876 && destAi.packageName == filterSi.packageName) { 10877 return false; 10878 } 10879 } 10880 return true; 10881 } 10882 10883 @Override 10884 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10885 return new PackageParser.ServiceIntentInfo[size]; 10886 } 10887 10888 @Override 10889 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10890 if (!sUserManager.exists(userId)) return true; 10891 PackageParser.Package p = filter.service.owner; 10892 if (p != null) { 10893 PackageSetting ps = (PackageSetting)p.mExtras; 10894 if (ps != null) { 10895 // System apps are never considered stopped for purposes of 10896 // filtering, because there may be no way for the user to 10897 // actually re-launch them. 10898 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10899 && ps.getStopped(userId); 10900 } 10901 } 10902 return false; 10903 } 10904 10905 @Override 10906 protected boolean isPackageForFilter(String packageName, 10907 PackageParser.ServiceIntentInfo info) { 10908 return packageName.equals(info.service.owner.packageName); 10909 } 10910 10911 @Override 10912 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10913 int match, int userId) { 10914 if (!sUserManager.exists(userId)) return null; 10915 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10916 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10917 return null; 10918 } 10919 final PackageParser.Service service = info.service; 10920 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10921 if (ps == null) { 10922 return null; 10923 } 10924 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10925 ps.readUserState(userId), userId); 10926 if (si == null) { 10927 return null; 10928 } 10929 final ResolveInfo res = new ResolveInfo(); 10930 res.serviceInfo = si; 10931 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10932 res.filter = filter; 10933 } 10934 res.priority = info.getPriority(); 10935 res.preferredOrder = service.owner.mPreferredOrder; 10936 res.match = match; 10937 res.isDefault = info.hasDefault; 10938 res.labelRes = info.labelRes; 10939 res.nonLocalizedLabel = info.nonLocalizedLabel; 10940 res.icon = info.icon; 10941 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10942 return res; 10943 } 10944 10945 @Override 10946 protected void sortResults(List<ResolveInfo> results) { 10947 Collections.sort(results, mResolvePrioritySorter); 10948 } 10949 10950 @Override 10951 protected void dumpFilter(PrintWriter out, String prefix, 10952 PackageParser.ServiceIntentInfo filter) { 10953 out.print(prefix); out.print( 10954 Integer.toHexString(System.identityHashCode(filter.service))); 10955 out.print(' '); 10956 filter.service.printComponentShortName(out); 10957 out.print(" filter "); 10958 out.println(Integer.toHexString(System.identityHashCode(filter))); 10959 } 10960 10961 @Override 10962 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10963 return filter.service; 10964 } 10965 10966 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10967 PackageParser.Service service = (PackageParser.Service)label; 10968 out.print(prefix); out.print( 10969 Integer.toHexString(System.identityHashCode(service))); 10970 out.print(' '); 10971 service.printComponentShortName(out); 10972 if (count > 1) { 10973 out.print(" ("); out.print(count); out.print(" filters)"); 10974 } 10975 out.println(); 10976 } 10977 10978// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10979// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10980// final List<ResolveInfo> retList = Lists.newArrayList(); 10981// while (i.hasNext()) { 10982// final ResolveInfo resolveInfo = (ResolveInfo) i; 10983// if (isEnabledLP(resolveInfo.serviceInfo)) { 10984// retList.add(resolveInfo); 10985// } 10986// } 10987// return retList; 10988// } 10989 10990 // Keys are String (activity class name), values are Activity. 10991 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10992 = new ArrayMap<ComponentName, PackageParser.Service>(); 10993 private int mFlags; 10994 }; 10995 10996 private final class ProviderIntentResolver 10997 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10998 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10999 boolean defaultOnly, int userId) { 11000 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11001 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11002 } 11003 11004 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11005 int userId) { 11006 if (!sUserManager.exists(userId)) 11007 return null; 11008 mFlags = flags; 11009 return super.queryIntent(intent, resolvedType, 11010 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11011 } 11012 11013 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11014 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11015 if (!sUserManager.exists(userId)) 11016 return null; 11017 if (packageProviders == null) { 11018 return null; 11019 } 11020 mFlags = flags; 11021 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11022 final int N = packageProviders.size(); 11023 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11024 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11025 11026 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11027 for (int i = 0; i < N; ++i) { 11028 intentFilters = packageProviders.get(i).intents; 11029 if (intentFilters != null && intentFilters.size() > 0) { 11030 PackageParser.ProviderIntentInfo[] array = 11031 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11032 intentFilters.toArray(array); 11033 listCut.add(array); 11034 } 11035 } 11036 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11037 } 11038 11039 public final void addProvider(PackageParser.Provider p) { 11040 if (mProviders.containsKey(p.getComponentName())) { 11041 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11042 return; 11043 } 11044 11045 mProviders.put(p.getComponentName(), p); 11046 if (DEBUG_SHOW_INFO) { 11047 Log.v(TAG, " " 11048 + (p.info.nonLocalizedLabel != null 11049 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11050 Log.v(TAG, " Class=" + p.info.name); 11051 } 11052 final int NI = p.intents.size(); 11053 int j; 11054 for (j = 0; j < NI; j++) { 11055 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11056 if (DEBUG_SHOW_INFO) { 11057 Log.v(TAG, " IntentFilter:"); 11058 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11059 } 11060 if (!intent.debugCheck()) { 11061 Log.w(TAG, "==> For Provider " + p.info.name); 11062 } 11063 addFilter(intent); 11064 } 11065 } 11066 11067 public final void removeProvider(PackageParser.Provider p) { 11068 mProviders.remove(p.getComponentName()); 11069 if (DEBUG_SHOW_INFO) { 11070 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11071 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11072 Log.v(TAG, " Class=" + p.info.name); 11073 } 11074 final int NI = p.intents.size(); 11075 int j; 11076 for (j = 0; j < NI; j++) { 11077 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11078 if (DEBUG_SHOW_INFO) { 11079 Log.v(TAG, " IntentFilter:"); 11080 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11081 } 11082 removeFilter(intent); 11083 } 11084 } 11085 11086 @Override 11087 protected boolean allowFilterResult( 11088 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11089 ProviderInfo filterPi = filter.provider.info; 11090 for (int i = dest.size() - 1; i >= 0; i--) { 11091 ProviderInfo destPi = dest.get(i).providerInfo; 11092 if (destPi.name == filterPi.name 11093 && destPi.packageName == filterPi.packageName) { 11094 return false; 11095 } 11096 } 11097 return true; 11098 } 11099 11100 @Override 11101 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11102 return new PackageParser.ProviderIntentInfo[size]; 11103 } 11104 11105 @Override 11106 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11107 if (!sUserManager.exists(userId)) 11108 return true; 11109 PackageParser.Package p = filter.provider.owner; 11110 if (p != null) { 11111 PackageSetting ps = (PackageSetting) p.mExtras; 11112 if (ps != null) { 11113 // System apps are never considered stopped for purposes of 11114 // filtering, because there may be no way for the user to 11115 // actually re-launch them. 11116 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11117 && ps.getStopped(userId); 11118 } 11119 } 11120 return false; 11121 } 11122 11123 @Override 11124 protected boolean isPackageForFilter(String packageName, 11125 PackageParser.ProviderIntentInfo info) { 11126 return packageName.equals(info.provider.owner.packageName); 11127 } 11128 11129 @Override 11130 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11131 int match, int userId) { 11132 if (!sUserManager.exists(userId)) 11133 return null; 11134 final PackageParser.ProviderIntentInfo info = filter; 11135 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11136 return null; 11137 } 11138 final PackageParser.Provider provider = info.provider; 11139 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11140 if (ps == null) { 11141 return null; 11142 } 11143 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11144 ps.readUserState(userId), userId); 11145 if (pi == null) { 11146 return null; 11147 } 11148 final ResolveInfo res = new ResolveInfo(); 11149 res.providerInfo = pi; 11150 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11151 res.filter = filter; 11152 } 11153 res.priority = info.getPriority(); 11154 res.preferredOrder = provider.owner.mPreferredOrder; 11155 res.match = match; 11156 res.isDefault = info.hasDefault; 11157 res.labelRes = info.labelRes; 11158 res.nonLocalizedLabel = info.nonLocalizedLabel; 11159 res.icon = info.icon; 11160 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11161 return res; 11162 } 11163 11164 @Override 11165 protected void sortResults(List<ResolveInfo> results) { 11166 Collections.sort(results, mResolvePrioritySorter); 11167 } 11168 11169 @Override 11170 protected void dumpFilter(PrintWriter out, String prefix, 11171 PackageParser.ProviderIntentInfo filter) { 11172 out.print(prefix); 11173 out.print( 11174 Integer.toHexString(System.identityHashCode(filter.provider))); 11175 out.print(' '); 11176 filter.provider.printComponentShortName(out); 11177 out.print(" filter "); 11178 out.println(Integer.toHexString(System.identityHashCode(filter))); 11179 } 11180 11181 @Override 11182 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11183 return filter.provider; 11184 } 11185 11186 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11187 PackageParser.Provider provider = (PackageParser.Provider)label; 11188 out.print(prefix); out.print( 11189 Integer.toHexString(System.identityHashCode(provider))); 11190 out.print(' '); 11191 provider.printComponentShortName(out); 11192 if (count > 1) { 11193 out.print(" ("); out.print(count); out.print(" filters)"); 11194 } 11195 out.println(); 11196 } 11197 11198 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11199 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11200 private int mFlags; 11201 } 11202 11203 private static final class EphemeralIntentResolver 11204 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11205 @Override 11206 protected EphemeralResolveIntentInfo[] newArray(int size) { 11207 return new EphemeralResolveIntentInfo[size]; 11208 } 11209 11210 @Override 11211 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11212 return true; 11213 } 11214 11215 @Override 11216 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11217 int userId) { 11218 if (!sUserManager.exists(userId)) { 11219 return null; 11220 } 11221 return info.getEphemeralResolveInfo(); 11222 } 11223 } 11224 11225 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11226 new Comparator<ResolveInfo>() { 11227 public int compare(ResolveInfo r1, ResolveInfo r2) { 11228 int v1 = r1.priority; 11229 int v2 = r2.priority; 11230 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11231 if (v1 != v2) { 11232 return (v1 > v2) ? -1 : 1; 11233 } 11234 v1 = r1.preferredOrder; 11235 v2 = r2.preferredOrder; 11236 if (v1 != v2) { 11237 return (v1 > v2) ? -1 : 1; 11238 } 11239 if (r1.isDefault != r2.isDefault) { 11240 return r1.isDefault ? -1 : 1; 11241 } 11242 v1 = r1.match; 11243 v2 = r2.match; 11244 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11245 if (v1 != v2) { 11246 return (v1 > v2) ? -1 : 1; 11247 } 11248 if (r1.system != r2.system) { 11249 return r1.system ? -1 : 1; 11250 } 11251 if (r1.activityInfo != null) { 11252 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11253 } 11254 if (r1.serviceInfo != null) { 11255 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11256 } 11257 if (r1.providerInfo != null) { 11258 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11259 } 11260 return 0; 11261 } 11262 }; 11263 11264 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11265 new Comparator<ProviderInfo>() { 11266 public int compare(ProviderInfo p1, ProviderInfo p2) { 11267 final int v1 = p1.initOrder; 11268 final int v2 = p2.initOrder; 11269 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11270 } 11271 }; 11272 11273 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11274 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11275 final int[] userIds) { 11276 mHandler.post(new Runnable() { 11277 @Override 11278 public void run() { 11279 try { 11280 final IActivityManager am = ActivityManagerNative.getDefault(); 11281 if (am == null) return; 11282 final int[] resolvedUserIds; 11283 if (userIds == null) { 11284 resolvedUserIds = am.getRunningUserIds(); 11285 } else { 11286 resolvedUserIds = userIds; 11287 } 11288 for (int id : resolvedUserIds) { 11289 final Intent intent = new Intent(action, 11290 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 11291 if (extras != null) { 11292 intent.putExtras(extras); 11293 } 11294 if (targetPkg != null) { 11295 intent.setPackage(targetPkg); 11296 } 11297 // Modify the UID when posting to other users 11298 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11299 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11300 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11301 intent.putExtra(Intent.EXTRA_UID, uid); 11302 } 11303 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11304 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11305 if (DEBUG_BROADCASTS) { 11306 RuntimeException here = new RuntimeException("here"); 11307 here.fillInStackTrace(); 11308 Slog.d(TAG, "Sending to user " + id + ": " 11309 + intent.toShortString(false, true, false, false) 11310 + " " + intent.getExtras(), here); 11311 } 11312 am.broadcastIntent(null, intent, null, finishedReceiver, 11313 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11314 null, finishedReceiver != null, false, id); 11315 } 11316 } catch (RemoteException ex) { 11317 } 11318 } 11319 }); 11320 } 11321 11322 /** 11323 * Check if the external storage media is available. This is true if there 11324 * is a mounted external storage medium or if the external storage is 11325 * emulated. 11326 */ 11327 private boolean isExternalMediaAvailable() { 11328 return mMediaMounted || Environment.isExternalStorageEmulated(); 11329 } 11330 11331 @Override 11332 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11333 // writer 11334 synchronized (mPackages) { 11335 if (!isExternalMediaAvailable()) { 11336 // If the external storage is no longer mounted at this point, 11337 // the caller may not have been able to delete all of this 11338 // packages files and can not delete any more. Bail. 11339 return null; 11340 } 11341 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11342 if (lastPackage != null) { 11343 pkgs.remove(lastPackage); 11344 } 11345 if (pkgs.size() > 0) { 11346 return pkgs.get(0); 11347 } 11348 } 11349 return null; 11350 } 11351 11352 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11353 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11354 userId, andCode ? 1 : 0, packageName); 11355 if (mSystemReady) { 11356 msg.sendToTarget(); 11357 } else { 11358 if (mPostSystemReadyMessages == null) { 11359 mPostSystemReadyMessages = new ArrayList<>(); 11360 } 11361 mPostSystemReadyMessages.add(msg); 11362 } 11363 } 11364 11365 void startCleaningPackages() { 11366 // reader 11367 if (!isExternalMediaAvailable()) { 11368 return; 11369 } 11370 synchronized (mPackages) { 11371 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11372 return; 11373 } 11374 } 11375 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11376 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11377 IActivityManager am = ActivityManagerNative.getDefault(); 11378 if (am != null) { 11379 try { 11380 am.startService(null, intent, null, mContext.getOpPackageName(), 11381 UserHandle.USER_SYSTEM); 11382 } catch (RemoteException e) { 11383 } 11384 } 11385 } 11386 11387 @Override 11388 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11389 int installFlags, String installerPackageName, int userId) { 11390 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11391 11392 final int callingUid = Binder.getCallingUid(); 11393 enforceCrossUserPermission(callingUid, userId, 11394 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11395 11396 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11397 try { 11398 if (observer != null) { 11399 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11400 } 11401 } catch (RemoteException re) { 11402 } 11403 return; 11404 } 11405 11406 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11407 installFlags |= PackageManager.INSTALL_FROM_ADB; 11408 11409 } else { 11410 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11411 // about installerPackageName. 11412 11413 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11414 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11415 } 11416 11417 UserHandle user; 11418 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11419 user = UserHandle.ALL; 11420 } else { 11421 user = new UserHandle(userId); 11422 } 11423 11424 // Only system components can circumvent runtime permissions when installing. 11425 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11426 && mContext.checkCallingOrSelfPermission(Manifest.permission 11427 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11428 throw new SecurityException("You need the " 11429 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11430 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11431 } 11432 11433 final File originFile = new File(originPath); 11434 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11435 11436 final Message msg = mHandler.obtainMessage(INIT_COPY); 11437 final VerificationInfo verificationInfo = new VerificationInfo( 11438 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11439 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11440 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11441 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11442 null /*certificates*/); 11443 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11444 msg.obj = params; 11445 11446 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11447 System.identityHashCode(msg.obj)); 11448 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11449 System.identityHashCode(msg.obj)); 11450 11451 mHandler.sendMessage(msg); 11452 } 11453 11454 void installStage(String packageName, File stagedDir, String stagedCid, 11455 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11456 String installerPackageName, int installerUid, UserHandle user, 11457 Certificate[][] certificates) { 11458 if (DEBUG_EPHEMERAL) { 11459 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11460 Slog.d(TAG, "Ephemeral install of " + packageName); 11461 } 11462 } 11463 final VerificationInfo verificationInfo = new VerificationInfo( 11464 sessionParams.originatingUri, sessionParams.referrerUri, 11465 sessionParams.originatingUid, installerUid); 11466 11467 final OriginInfo origin; 11468 if (stagedDir != null) { 11469 origin = OriginInfo.fromStagedFile(stagedDir); 11470 } else { 11471 origin = OriginInfo.fromStagedContainer(stagedCid); 11472 } 11473 11474 final Message msg = mHandler.obtainMessage(INIT_COPY); 11475 final InstallParams params = new InstallParams(origin, null, observer, 11476 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11477 verificationInfo, user, sessionParams.abiOverride, 11478 sessionParams.grantedRuntimePermissions, certificates); 11479 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11480 msg.obj = params; 11481 11482 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11483 System.identityHashCode(msg.obj)); 11484 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11485 System.identityHashCode(msg.obj)); 11486 11487 mHandler.sendMessage(msg); 11488 } 11489 11490 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11491 int userId) { 11492 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11493 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11494 } 11495 11496 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11497 int appId, int userId) { 11498 Bundle extras = new Bundle(1); 11499 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11500 11501 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11502 packageName, extras, 0, null, null, new int[] {userId}); 11503 try { 11504 IActivityManager am = ActivityManagerNative.getDefault(); 11505 if (isSystem && am.isUserRunning(userId, 0)) { 11506 // The just-installed/enabled app is bundled on the system, so presumed 11507 // to be able to run automatically without needing an explicit launch. 11508 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11509 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11510 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11511 .setPackage(packageName); 11512 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11513 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11514 } 11515 } catch (RemoteException e) { 11516 // shouldn't happen 11517 Slog.w(TAG, "Unable to bootstrap installed package", e); 11518 } 11519 } 11520 11521 @Override 11522 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11523 int userId) { 11524 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11525 PackageSetting pkgSetting; 11526 final int uid = Binder.getCallingUid(); 11527 enforceCrossUserPermission(uid, userId, 11528 true /* requireFullPermission */, true /* checkShell */, 11529 "setApplicationHiddenSetting for user " + userId); 11530 11531 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11532 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11533 return false; 11534 } 11535 11536 long callingId = Binder.clearCallingIdentity(); 11537 try { 11538 boolean sendAdded = false; 11539 boolean sendRemoved = false; 11540 // writer 11541 synchronized (mPackages) { 11542 pkgSetting = mSettings.mPackages.get(packageName); 11543 if (pkgSetting == null) { 11544 return false; 11545 } 11546 // Do not allow "android" is being disabled 11547 if ("android".equals(packageName)) { 11548 Slog.w(TAG, "Cannot hide package: android"); 11549 return false; 11550 } 11551 // Only allow protected packages to hide themselves. 11552 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11553 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11554 Slog.w(TAG, "Not hiding protected package: " + packageName); 11555 return false; 11556 } 11557 11558 if (pkgSetting.getHidden(userId) != hidden) { 11559 pkgSetting.setHidden(hidden, userId); 11560 mSettings.writePackageRestrictionsLPr(userId); 11561 if (hidden) { 11562 sendRemoved = true; 11563 } else { 11564 sendAdded = true; 11565 } 11566 } 11567 } 11568 if (sendAdded) { 11569 sendPackageAddedForUser(packageName, pkgSetting, userId); 11570 return true; 11571 } 11572 if (sendRemoved) { 11573 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11574 "hiding pkg"); 11575 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11576 return true; 11577 } 11578 } finally { 11579 Binder.restoreCallingIdentity(callingId); 11580 } 11581 return false; 11582 } 11583 11584 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11585 int userId) { 11586 final PackageRemovedInfo info = new PackageRemovedInfo(); 11587 info.removedPackage = packageName; 11588 info.removedUsers = new int[] {userId}; 11589 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11590 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11591 } 11592 11593 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11594 if (pkgList.length > 0) { 11595 Bundle extras = new Bundle(1); 11596 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11597 11598 sendPackageBroadcast( 11599 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11600 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11601 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11602 new int[] {userId}); 11603 } 11604 } 11605 11606 /** 11607 * Returns true if application is not found or there was an error. Otherwise it returns 11608 * the hidden state of the package for the given user. 11609 */ 11610 @Override 11611 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11612 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11613 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11614 true /* requireFullPermission */, false /* checkShell */, 11615 "getApplicationHidden for user " + userId); 11616 PackageSetting pkgSetting; 11617 long callingId = Binder.clearCallingIdentity(); 11618 try { 11619 // writer 11620 synchronized (mPackages) { 11621 pkgSetting = mSettings.mPackages.get(packageName); 11622 if (pkgSetting == null) { 11623 return true; 11624 } 11625 return pkgSetting.getHidden(userId); 11626 } 11627 } finally { 11628 Binder.restoreCallingIdentity(callingId); 11629 } 11630 } 11631 11632 /** 11633 * @hide 11634 */ 11635 @Override 11636 public int installExistingPackageAsUser(String packageName, int userId) { 11637 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11638 null); 11639 PackageSetting pkgSetting; 11640 final int uid = Binder.getCallingUid(); 11641 enforceCrossUserPermission(uid, userId, 11642 true /* requireFullPermission */, true /* checkShell */, 11643 "installExistingPackage for user " + userId); 11644 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11645 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11646 } 11647 11648 long callingId = Binder.clearCallingIdentity(); 11649 try { 11650 boolean installed = false; 11651 11652 // writer 11653 synchronized (mPackages) { 11654 pkgSetting = mSettings.mPackages.get(packageName); 11655 if (pkgSetting == null) { 11656 return PackageManager.INSTALL_FAILED_INVALID_URI; 11657 } 11658 if (!pkgSetting.getInstalled(userId)) { 11659 pkgSetting.setInstalled(true, userId); 11660 pkgSetting.setHidden(false, userId); 11661 mSettings.writePackageRestrictionsLPr(userId); 11662 installed = true; 11663 } 11664 } 11665 11666 if (installed) { 11667 if (pkgSetting.pkg != null) { 11668 synchronized (mInstallLock) { 11669 // We don't need to freeze for a brand new install 11670 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11671 } 11672 } 11673 sendPackageAddedForUser(packageName, pkgSetting, userId); 11674 } 11675 } finally { 11676 Binder.restoreCallingIdentity(callingId); 11677 } 11678 11679 return PackageManager.INSTALL_SUCCEEDED; 11680 } 11681 11682 boolean isUserRestricted(int userId, String restrictionKey) { 11683 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11684 if (restrictions.getBoolean(restrictionKey, false)) { 11685 Log.w(TAG, "User is restricted: " + restrictionKey); 11686 return true; 11687 } 11688 return false; 11689 } 11690 11691 @Override 11692 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11693 int userId) { 11694 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11695 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11696 true /* requireFullPermission */, true /* checkShell */, 11697 "setPackagesSuspended for user " + userId); 11698 11699 if (ArrayUtils.isEmpty(packageNames)) { 11700 return packageNames; 11701 } 11702 11703 // List of package names for whom the suspended state has changed. 11704 List<String> changedPackages = new ArrayList<>(packageNames.length); 11705 // List of package names for whom the suspended state is not set as requested in this 11706 // method. 11707 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11708 long callingId = Binder.clearCallingIdentity(); 11709 try { 11710 for (int i = 0; i < packageNames.length; i++) { 11711 String packageName = packageNames[i]; 11712 boolean changed = false; 11713 final int appId; 11714 synchronized (mPackages) { 11715 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11716 if (pkgSetting == null) { 11717 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11718 + "\". Skipping suspending/un-suspending."); 11719 unactionedPackages.add(packageName); 11720 continue; 11721 } 11722 appId = pkgSetting.appId; 11723 if (pkgSetting.getSuspended(userId) != suspended) { 11724 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11725 unactionedPackages.add(packageName); 11726 continue; 11727 } 11728 pkgSetting.setSuspended(suspended, userId); 11729 mSettings.writePackageRestrictionsLPr(userId); 11730 changed = true; 11731 changedPackages.add(packageName); 11732 } 11733 } 11734 11735 if (changed && suspended) { 11736 killApplication(packageName, UserHandle.getUid(userId, appId), 11737 "suspending package"); 11738 } 11739 } 11740 } finally { 11741 Binder.restoreCallingIdentity(callingId); 11742 } 11743 11744 if (!changedPackages.isEmpty()) { 11745 sendPackagesSuspendedForUser(changedPackages.toArray( 11746 new String[changedPackages.size()]), userId, suspended); 11747 } 11748 11749 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11750 } 11751 11752 @Override 11753 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11754 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11755 true /* requireFullPermission */, false /* checkShell */, 11756 "isPackageSuspendedForUser for user " + userId); 11757 synchronized (mPackages) { 11758 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11759 if (pkgSetting == null) { 11760 throw new IllegalArgumentException("Unknown target package: " + packageName); 11761 } 11762 return pkgSetting.getSuspended(userId); 11763 } 11764 } 11765 11766 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11767 if (isPackageDeviceAdmin(packageName, userId)) { 11768 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11769 + "\": has an active device admin"); 11770 return false; 11771 } 11772 11773 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11774 if (packageName.equals(activeLauncherPackageName)) { 11775 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11776 + "\": contains the active launcher"); 11777 return false; 11778 } 11779 11780 if (packageName.equals(mRequiredInstallerPackage)) { 11781 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11782 + "\": required for package installation"); 11783 return false; 11784 } 11785 11786 if (packageName.equals(mRequiredUninstallerPackage)) { 11787 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11788 + "\": required for package uninstallation"); 11789 return false; 11790 } 11791 11792 if (packageName.equals(mRequiredVerifierPackage)) { 11793 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11794 + "\": required for package verification"); 11795 return false; 11796 } 11797 11798 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11799 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11800 + "\": is the default dialer"); 11801 return false; 11802 } 11803 11804 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11805 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11806 + "\": protected package"); 11807 return false; 11808 } 11809 11810 return true; 11811 } 11812 11813 private String getActiveLauncherPackageName(int userId) { 11814 Intent intent = new Intent(Intent.ACTION_MAIN); 11815 intent.addCategory(Intent.CATEGORY_HOME); 11816 ResolveInfo resolveInfo = resolveIntent( 11817 intent, 11818 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11819 PackageManager.MATCH_DEFAULT_ONLY, 11820 userId); 11821 11822 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11823 } 11824 11825 private String getDefaultDialerPackageName(int userId) { 11826 synchronized (mPackages) { 11827 return mSettings.getDefaultDialerPackageNameLPw(userId); 11828 } 11829 } 11830 11831 @Override 11832 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11833 mContext.enforceCallingOrSelfPermission( 11834 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11835 "Only package verification agents can verify applications"); 11836 11837 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11838 final PackageVerificationResponse response = new PackageVerificationResponse( 11839 verificationCode, Binder.getCallingUid()); 11840 msg.arg1 = id; 11841 msg.obj = response; 11842 mHandler.sendMessage(msg); 11843 } 11844 11845 @Override 11846 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11847 long millisecondsToDelay) { 11848 mContext.enforceCallingOrSelfPermission( 11849 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11850 "Only package verification agents can extend verification timeouts"); 11851 11852 final PackageVerificationState state = mPendingVerification.get(id); 11853 final PackageVerificationResponse response = new PackageVerificationResponse( 11854 verificationCodeAtTimeout, Binder.getCallingUid()); 11855 11856 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11857 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11858 } 11859 if (millisecondsToDelay < 0) { 11860 millisecondsToDelay = 0; 11861 } 11862 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11863 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11864 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11865 } 11866 11867 if ((state != null) && !state.timeoutExtended()) { 11868 state.extendTimeout(); 11869 11870 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11871 msg.arg1 = id; 11872 msg.obj = response; 11873 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11874 } 11875 } 11876 11877 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11878 int verificationCode, UserHandle user) { 11879 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11880 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11881 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11882 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11883 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11884 11885 mContext.sendBroadcastAsUser(intent, user, 11886 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11887 } 11888 11889 private ComponentName matchComponentForVerifier(String packageName, 11890 List<ResolveInfo> receivers) { 11891 ActivityInfo targetReceiver = null; 11892 11893 final int NR = receivers.size(); 11894 for (int i = 0; i < NR; i++) { 11895 final ResolveInfo info = receivers.get(i); 11896 if (info.activityInfo == null) { 11897 continue; 11898 } 11899 11900 if (packageName.equals(info.activityInfo.packageName)) { 11901 targetReceiver = info.activityInfo; 11902 break; 11903 } 11904 } 11905 11906 if (targetReceiver == null) { 11907 return null; 11908 } 11909 11910 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11911 } 11912 11913 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11914 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11915 if (pkgInfo.verifiers.length == 0) { 11916 return null; 11917 } 11918 11919 final int N = pkgInfo.verifiers.length; 11920 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11921 for (int i = 0; i < N; i++) { 11922 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11923 11924 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11925 receivers); 11926 if (comp == null) { 11927 continue; 11928 } 11929 11930 final int verifierUid = getUidForVerifier(verifierInfo); 11931 if (verifierUid == -1) { 11932 continue; 11933 } 11934 11935 if (DEBUG_VERIFY) { 11936 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11937 + " with the correct signature"); 11938 } 11939 sufficientVerifiers.add(comp); 11940 verificationState.addSufficientVerifier(verifierUid); 11941 } 11942 11943 return sufficientVerifiers; 11944 } 11945 11946 private int getUidForVerifier(VerifierInfo verifierInfo) { 11947 synchronized (mPackages) { 11948 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11949 if (pkg == null) { 11950 return -1; 11951 } else if (pkg.mSignatures.length != 1) { 11952 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11953 + " has more than one signature; ignoring"); 11954 return -1; 11955 } 11956 11957 /* 11958 * If the public key of the package's signature does not match 11959 * our expected public key, then this is a different package and 11960 * we should skip. 11961 */ 11962 11963 final byte[] expectedPublicKey; 11964 try { 11965 final Signature verifierSig = pkg.mSignatures[0]; 11966 final PublicKey publicKey = verifierSig.getPublicKey(); 11967 expectedPublicKey = publicKey.getEncoded(); 11968 } catch (CertificateException e) { 11969 return -1; 11970 } 11971 11972 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11973 11974 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11975 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11976 + " does not have the expected public key; ignoring"); 11977 return -1; 11978 } 11979 11980 return pkg.applicationInfo.uid; 11981 } 11982 } 11983 11984 @Override 11985 public void finishPackageInstall(int token, boolean didLaunch) { 11986 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11987 11988 if (DEBUG_INSTALL) { 11989 Slog.v(TAG, "BM finishing package install for " + token); 11990 } 11991 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11992 11993 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11994 mHandler.sendMessage(msg); 11995 } 11996 11997 /** 11998 * Get the verification agent timeout. 11999 * 12000 * @return verification timeout in milliseconds 12001 */ 12002 private long getVerificationTimeout() { 12003 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12004 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12005 DEFAULT_VERIFICATION_TIMEOUT); 12006 } 12007 12008 /** 12009 * Get the default verification agent response code. 12010 * 12011 * @return default verification response code 12012 */ 12013 private int getDefaultVerificationResponse() { 12014 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12015 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12016 DEFAULT_VERIFICATION_RESPONSE); 12017 } 12018 12019 /** 12020 * Check whether or not package verification has been enabled. 12021 * 12022 * @return true if verification should be performed 12023 */ 12024 private boolean isVerificationEnabled(int userId, int installFlags) { 12025 if (!DEFAULT_VERIFY_ENABLE) { 12026 return false; 12027 } 12028 // Ephemeral apps don't get the full verification treatment 12029 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12030 if (DEBUG_EPHEMERAL) { 12031 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12032 } 12033 return false; 12034 } 12035 12036 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12037 12038 // Check if installing from ADB 12039 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12040 // Do not run verification in a test harness environment 12041 if (ActivityManager.isRunningInTestHarness()) { 12042 return false; 12043 } 12044 if (ensureVerifyAppsEnabled) { 12045 return true; 12046 } 12047 // Check if the developer does not want package verification for ADB installs 12048 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12049 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12050 return false; 12051 } 12052 } 12053 12054 if (ensureVerifyAppsEnabled) { 12055 return true; 12056 } 12057 12058 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12059 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12060 } 12061 12062 @Override 12063 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12064 throws RemoteException { 12065 mContext.enforceCallingOrSelfPermission( 12066 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12067 "Only intentfilter verification agents can verify applications"); 12068 12069 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12070 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12071 Binder.getCallingUid(), verificationCode, failedDomains); 12072 msg.arg1 = id; 12073 msg.obj = response; 12074 mHandler.sendMessage(msg); 12075 } 12076 12077 @Override 12078 public int getIntentVerificationStatus(String packageName, int userId) { 12079 synchronized (mPackages) { 12080 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12081 } 12082 } 12083 12084 @Override 12085 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12086 mContext.enforceCallingOrSelfPermission( 12087 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12088 12089 boolean result = false; 12090 synchronized (mPackages) { 12091 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12092 } 12093 if (result) { 12094 scheduleWritePackageRestrictionsLocked(userId); 12095 } 12096 return result; 12097 } 12098 12099 @Override 12100 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12101 String packageName) { 12102 synchronized (mPackages) { 12103 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12104 } 12105 } 12106 12107 @Override 12108 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12109 if (TextUtils.isEmpty(packageName)) { 12110 return ParceledListSlice.emptyList(); 12111 } 12112 synchronized (mPackages) { 12113 PackageParser.Package pkg = mPackages.get(packageName); 12114 if (pkg == null || pkg.activities == null) { 12115 return ParceledListSlice.emptyList(); 12116 } 12117 final int count = pkg.activities.size(); 12118 ArrayList<IntentFilter> result = new ArrayList<>(); 12119 for (int n=0; n<count; n++) { 12120 PackageParser.Activity activity = pkg.activities.get(n); 12121 if (activity.intents != null && activity.intents.size() > 0) { 12122 result.addAll(activity.intents); 12123 } 12124 } 12125 return new ParceledListSlice<>(result); 12126 } 12127 } 12128 12129 @Override 12130 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12131 mContext.enforceCallingOrSelfPermission( 12132 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12133 12134 synchronized (mPackages) { 12135 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12136 if (packageName != null) { 12137 result |= updateIntentVerificationStatus(packageName, 12138 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12139 userId); 12140 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12141 packageName, userId); 12142 } 12143 return result; 12144 } 12145 } 12146 12147 @Override 12148 public String getDefaultBrowserPackageName(int userId) { 12149 synchronized (mPackages) { 12150 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12151 } 12152 } 12153 12154 /** 12155 * Get the "allow unknown sources" setting. 12156 * 12157 * @return the current "allow unknown sources" setting 12158 */ 12159 private int getUnknownSourcesSettings() { 12160 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12161 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12162 -1); 12163 } 12164 12165 @Override 12166 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12167 final int uid = Binder.getCallingUid(); 12168 // writer 12169 synchronized (mPackages) { 12170 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12171 if (targetPackageSetting == null) { 12172 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12173 } 12174 12175 PackageSetting installerPackageSetting; 12176 if (installerPackageName != null) { 12177 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12178 if (installerPackageSetting == null) { 12179 throw new IllegalArgumentException("Unknown installer package: " 12180 + installerPackageName); 12181 } 12182 } else { 12183 installerPackageSetting = null; 12184 } 12185 12186 Signature[] callerSignature; 12187 Object obj = mSettings.getUserIdLPr(uid); 12188 if (obj != null) { 12189 if (obj instanceof SharedUserSetting) { 12190 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12191 } else if (obj instanceof PackageSetting) { 12192 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12193 } else { 12194 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12195 } 12196 } else { 12197 throw new SecurityException("Unknown calling UID: " + uid); 12198 } 12199 12200 // Verify: can't set installerPackageName to a package that is 12201 // not signed with the same cert as the caller. 12202 if (installerPackageSetting != null) { 12203 if (compareSignatures(callerSignature, 12204 installerPackageSetting.signatures.mSignatures) 12205 != PackageManager.SIGNATURE_MATCH) { 12206 throw new SecurityException( 12207 "Caller does not have same cert as new installer package " 12208 + installerPackageName); 12209 } 12210 } 12211 12212 // Verify: if target already has an installer package, it must 12213 // be signed with the same cert as the caller. 12214 if (targetPackageSetting.installerPackageName != null) { 12215 PackageSetting setting = mSettings.mPackages.get( 12216 targetPackageSetting.installerPackageName); 12217 // If the currently set package isn't valid, then it's always 12218 // okay to change it. 12219 if (setting != null) { 12220 if (compareSignatures(callerSignature, 12221 setting.signatures.mSignatures) 12222 != PackageManager.SIGNATURE_MATCH) { 12223 throw new SecurityException( 12224 "Caller does not have same cert as old installer package " 12225 + targetPackageSetting.installerPackageName); 12226 } 12227 } 12228 } 12229 12230 // Okay! 12231 targetPackageSetting.installerPackageName = installerPackageName; 12232 if (installerPackageName != null) { 12233 mSettings.mInstallerPackages.add(installerPackageName); 12234 } 12235 scheduleWriteSettingsLocked(); 12236 } 12237 } 12238 12239 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12240 // Queue up an async operation since the package installation may take a little while. 12241 mHandler.post(new Runnable() { 12242 public void run() { 12243 mHandler.removeCallbacks(this); 12244 // Result object to be returned 12245 PackageInstalledInfo res = new PackageInstalledInfo(); 12246 res.setReturnCode(currentStatus); 12247 res.uid = -1; 12248 res.pkg = null; 12249 res.removedInfo = null; 12250 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12251 args.doPreInstall(res.returnCode); 12252 synchronized (mInstallLock) { 12253 installPackageTracedLI(args, res); 12254 } 12255 args.doPostInstall(res.returnCode, res.uid); 12256 } 12257 12258 // A restore should be performed at this point if (a) the install 12259 // succeeded, (b) the operation is not an update, and (c) the new 12260 // package has not opted out of backup participation. 12261 final boolean update = res.removedInfo != null 12262 && res.removedInfo.removedPackage != null; 12263 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12264 boolean doRestore = !update 12265 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12266 12267 // Set up the post-install work request bookkeeping. This will be used 12268 // and cleaned up by the post-install event handling regardless of whether 12269 // there's a restore pass performed. Token values are >= 1. 12270 int token; 12271 if (mNextInstallToken < 0) mNextInstallToken = 1; 12272 token = mNextInstallToken++; 12273 12274 PostInstallData data = new PostInstallData(args, res); 12275 mRunningInstalls.put(token, data); 12276 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12277 12278 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12279 // Pass responsibility to the Backup Manager. It will perform a 12280 // restore if appropriate, then pass responsibility back to the 12281 // Package Manager to run the post-install observer callbacks 12282 // and broadcasts. 12283 IBackupManager bm = IBackupManager.Stub.asInterface( 12284 ServiceManager.getService(Context.BACKUP_SERVICE)); 12285 if (bm != null) { 12286 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12287 + " to BM for possible restore"); 12288 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12289 try { 12290 // TODO: http://b/22388012 12291 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12292 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12293 } else { 12294 doRestore = false; 12295 } 12296 } catch (RemoteException e) { 12297 // can't happen; the backup manager is local 12298 } catch (Exception e) { 12299 Slog.e(TAG, "Exception trying to enqueue restore", e); 12300 doRestore = false; 12301 } 12302 } else { 12303 Slog.e(TAG, "Backup Manager not found!"); 12304 doRestore = false; 12305 } 12306 } 12307 12308 if (!doRestore) { 12309 // No restore possible, or the Backup Manager was mysteriously not 12310 // available -- just fire the post-install work request directly. 12311 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12312 12313 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12314 12315 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12316 mHandler.sendMessage(msg); 12317 } 12318 } 12319 }); 12320 } 12321 12322 /** 12323 * Callback from PackageSettings whenever an app is first transitioned out of the 12324 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12325 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12326 * here whether the app is the target of an ongoing install, and only send the 12327 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12328 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12329 * handling. 12330 */ 12331 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12332 // Serialize this with the rest of the install-process message chain. In the 12333 // restore-at-install case, this Runnable will necessarily run before the 12334 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12335 // are coherent. In the non-restore case, the app has already completed install 12336 // and been launched through some other means, so it is not in a problematic 12337 // state for observers to see the FIRST_LAUNCH signal. 12338 mHandler.post(new Runnable() { 12339 @Override 12340 public void run() { 12341 for (int i = 0; i < mRunningInstalls.size(); i++) { 12342 final PostInstallData data = mRunningInstalls.valueAt(i); 12343 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12344 continue; 12345 } 12346 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12347 // right package; but is it for the right user? 12348 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12349 if (userId == data.res.newUsers[uIndex]) { 12350 if (DEBUG_BACKUP) { 12351 Slog.i(TAG, "Package " + pkgName 12352 + " being restored so deferring FIRST_LAUNCH"); 12353 } 12354 return; 12355 } 12356 } 12357 } 12358 } 12359 // didn't find it, so not being restored 12360 if (DEBUG_BACKUP) { 12361 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12362 } 12363 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12364 } 12365 }); 12366 } 12367 12368 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12369 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12370 installerPkg, null, userIds); 12371 } 12372 12373 private abstract class HandlerParams { 12374 private static final int MAX_RETRIES = 4; 12375 12376 /** 12377 * Number of times startCopy() has been attempted and had a non-fatal 12378 * error. 12379 */ 12380 private int mRetries = 0; 12381 12382 /** User handle for the user requesting the information or installation. */ 12383 private final UserHandle mUser; 12384 String traceMethod; 12385 int traceCookie; 12386 12387 HandlerParams(UserHandle user) { 12388 mUser = user; 12389 } 12390 12391 UserHandle getUser() { 12392 return mUser; 12393 } 12394 12395 HandlerParams setTraceMethod(String traceMethod) { 12396 this.traceMethod = traceMethod; 12397 return this; 12398 } 12399 12400 HandlerParams setTraceCookie(int traceCookie) { 12401 this.traceCookie = traceCookie; 12402 return this; 12403 } 12404 12405 final boolean startCopy() { 12406 boolean res; 12407 try { 12408 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12409 12410 if (++mRetries > MAX_RETRIES) { 12411 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12412 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12413 handleServiceError(); 12414 return false; 12415 } else { 12416 handleStartCopy(); 12417 res = true; 12418 } 12419 } catch (RemoteException e) { 12420 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12421 mHandler.sendEmptyMessage(MCS_RECONNECT); 12422 res = false; 12423 } 12424 handleReturnCode(); 12425 return res; 12426 } 12427 12428 final void serviceError() { 12429 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12430 handleServiceError(); 12431 handleReturnCode(); 12432 } 12433 12434 abstract void handleStartCopy() throws RemoteException; 12435 abstract void handleServiceError(); 12436 abstract void handleReturnCode(); 12437 } 12438 12439 class MeasureParams extends HandlerParams { 12440 private final PackageStats mStats; 12441 private boolean mSuccess; 12442 12443 private final IPackageStatsObserver mObserver; 12444 12445 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12446 super(new UserHandle(stats.userHandle)); 12447 mObserver = observer; 12448 mStats = stats; 12449 } 12450 12451 @Override 12452 public String toString() { 12453 return "MeasureParams{" 12454 + Integer.toHexString(System.identityHashCode(this)) 12455 + " " + mStats.packageName + "}"; 12456 } 12457 12458 @Override 12459 void handleStartCopy() throws RemoteException { 12460 synchronized (mInstallLock) { 12461 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12462 } 12463 12464 if (mSuccess) { 12465 boolean mounted = false; 12466 try { 12467 final String status = Environment.getExternalStorageState(); 12468 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12469 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12470 } catch (Exception e) { 12471 } 12472 12473 if (mounted) { 12474 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12475 12476 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12477 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12478 12479 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12480 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12481 12482 // Always subtract cache size, since it's a subdirectory 12483 mStats.externalDataSize -= mStats.externalCacheSize; 12484 12485 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12486 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12487 12488 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12489 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12490 } 12491 } 12492 } 12493 12494 @Override 12495 void handleReturnCode() { 12496 if (mObserver != null) { 12497 try { 12498 mObserver.onGetStatsCompleted(mStats, mSuccess); 12499 } catch (RemoteException e) { 12500 Slog.i(TAG, "Observer no longer exists."); 12501 } 12502 } 12503 } 12504 12505 @Override 12506 void handleServiceError() { 12507 Slog.e(TAG, "Could not measure application " + mStats.packageName 12508 + " external storage"); 12509 } 12510 } 12511 12512 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12513 throws RemoteException { 12514 long result = 0; 12515 for (File path : paths) { 12516 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12517 } 12518 return result; 12519 } 12520 12521 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12522 for (File path : paths) { 12523 try { 12524 mcs.clearDirectory(path.getAbsolutePath()); 12525 } catch (RemoteException e) { 12526 } 12527 } 12528 } 12529 12530 static class OriginInfo { 12531 /** 12532 * Location where install is coming from, before it has been 12533 * copied/renamed into place. This could be a single monolithic APK 12534 * file, or a cluster directory. This location may be untrusted. 12535 */ 12536 final File file; 12537 final String cid; 12538 12539 /** 12540 * Flag indicating that {@link #file} or {@link #cid} has already been 12541 * staged, meaning downstream users don't need to defensively copy the 12542 * contents. 12543 */ 12544 final boolean staged; 12545 12546 /** 12547 * Flag indicating that {@link #file} or {@link #cid} is an already 12548 * installed app that is being moved. 12549 */ 12550 final boolean existing; 12551 12552 final String resolvedPath; 12553 final File resolvedFile; 12554 12555 static OriginInfo fromNothing() { 12556 return new OriginInfo(null, null, false, false); 12557 } 12558 12559 static OriginInfo fromUntrustedFile(File file) { 12560 return new OriginInfo(file, null, false, false); 12561 } 12562 12563 static OriginInfo fromExistingFile(File file) { 12564 return new OriginInfo(file, null, false, true); 12565 } 12566 12567 static OriginInfo fromStagedFile(File file) { 12568 return new OriginInfo(file, null, true, false); 12569 } 12570 12571 static OriginInfo fromStagedContainer(String cid) { 12572 return new OriginInfo(null, cid, true, false); 12573 } 12574 12575 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12576 this.file = file; 12577 this.cid = cid; 12578 this.staged = staged; 12579 this.existing = existing; 12580 12581 if (cid != null) { 12582 resolvedPath = PackageHelper.getSdDir(cid); 12583 resolvedFile = new File(resolvedPath); 12584 } else if (file != null) { 12585 resolvedPath = file.getAbsolutePath(); 12586 resolvedFile = file; 12587 } else { 12588 resolvedPath = null; 12589 resolvedFile = null; 12590 } 12591 } 12592 } 12593 12594 static class MoveInfo { 12595 final int moveId; 12596 final String fromUuid; 12597 final String toUuid; 12598 final String packageName; 12599 final String dataAppName; 12600 final int appId; 12601 final String seinfo; 12602 final int targetSdkVersion; 12603 12604 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12605 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12606 this.moveId = moveId; 12607 this.fromUuid = fromUuid; 12608 this.toUuid = toUuid; 12609 this.packageName = packageName; 12610 this.dataAppName = dataAppName; 12611 this.appId = appId; 12612 this.seinfo = seinfo; 12613 this.targetSdkVersion = targetSdkVersion; 12614 } 12615 } 12616 12617 static class VerificationInfo { 12618 /** A constant used to indicate that a uid value is not present. */ 12619 public static final int NO_UID = -1; 12620 12621 /** URI referencing where the package was downloaded from. */ 12622 final Uri originatingUri; 12623 12624 /** HTTP referrer URI associated with the originatingURI. */ 12625 final Uri referrer; 12626 12627 /** UID of the application that the install request originated from. */ 12628 final int originatingUid; 12629 12630 /** UID of application requesting the install */ 12631 final int installerUid; 12632 12633 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12634 this.originatingUri = originatingUri; 12635 this.referrer = referrer; 12636 this.originatingUid = originatingUid; 12637 this.installerUid = installerUid; 12638 } 12639 } 12640 12641 class InstallParams extends HandlerParams { 12642 final OriginInfo origin; 12643 final MoveInfo move; 12644 final IPackageInstallObserver2 observer; 12645 int installFlags; 12646 final String installerPackageName; 12647 final String volumeUuid; 12648 private InstallArgs mArgs; 12649 private int mRet; 12650 final String packageAbiOverride; 12651 final String[] grantedRuntimePermissions; 12652 final VerificationInfo verificationInfo; 12653 final Certificate[][] certificates; 12654 12655 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12656 int installFlags, String installerPackageName, String volumeUuid, 12657 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12658 String[] grantedPermissions, Certificate[][] certificates) { 12659 super(user); 12660 this.origin = origin; 12661 this.move = move; 12662 this.observer = observer; 12663 this.installFlags = installFlags; 12664 this.installerPackageName = installerPackageName; 12665 this.volumeUuid = volumeUuid; 12666 this.verificationInfo = verificationInfo; 12667 this.packageAbiOverride = packageAbiOverride; 12668 this.grantedRuntimePermissions = grantedPermissions; 12669 this.certificates = certificates; 12670 } 12671 12672 @Override 12673 public String toString() { 12674 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12675 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12676 } 12677 12678 private int installLocationPolicy(PackageInfoLite pkgLite) { 12679 String packageName = pkgLite.packageName; 12680 int installLocation = pkgLite.installLocation; 12681 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12682 // reader 12683 synchronized (mPackages) { 12684 // Currently installed package which the new package is attempting to replace or 12685 // null if no such package is installed. 12686 PackageParser.Package installedPkg = mPackages.get(packageName); 12687 // Package which currently owns the data which the new package will own if installed. 12688 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12689 // will be null whereas dataOwnerPkg will contain information about the package 12690 // which was uninstalled while keeping its data. 12691 PackageParser.Package dataOwnerPkg = installedPkg; 12692 if (dataOwnerPkg == null) { 12693 PackageSetting ps = mSettings.mPackages.get(packageName); 12694 if (ps != null) { 12695 dataOwnerPkg = ps.pkg; 12696 } 12697 } 12698 12699 if (dataOwnerPkg != null) { 12700 // If installed, the package will get access to data left on the device by its 12701 // predecessor. As a security measure, this is permited only if this is not a 12702 // version downgrade or if the predecessor package is marked as debuggable and 12703 // a downgrade is explicitly requested. 12704 // 12705 // On debuggable platform builds, downgrades are permitted even for 12706 // non-debuggable packages to make testing easier. Debuggable platform builds do 12707 // not offer security guarantees and thus it's OK to disable some security 12708 // mechanisms to make debugging/testing easier on those builds. However, even on 12709 // debuggable builds downgrades of packages are permitted only if requested via 12710 // installFlags. This is because we aim to keep the behavior of debuggable 12711 // platform builds as close as possible to the behavior of non-debuggable 12712 // platform builds. 12713 final boolean downgradeRequested = 12714 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12715 final boolean packageDebuggable = 12716 (dataOwnerPkg.applicationInfo.flags 12717 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12718 final boolean downgradePermitted = 12719 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12720 if (!downgradePermitted) { 12721 try { 12722 checkDowngrade(dataOwnerPkg, pkgLite); 12723 } catch (PackageManagerException e) { 12724 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12725 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12726 } 12727 } 12728 } 12729 12730 if (installedPkg != null) { 12731 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12732 // Check for updated system application. 12733 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12734 if (onSd) { 12735 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12736 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12737 } 12738 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12739 } else { 12740 if (onSd) { 12741 // Install flag overrides everything. 12742 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12743 } 12744 // If current upgrade specifies particular preference 12745 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12746 // Application explicitly specified internal. 12747 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12748 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12749 // App explictly prefers external. Let policy decide 12750 } else { 12751 // Prefer previous location 12752 if (isExternal(installedPkg)) { 12753 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12754 } 12755 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12756 } 12757 } 12758 } else { 12759 // Invalid install. Return error code 12760 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12761 } 12762 } 12763 } 12764 // All the special cases have been taken care of. 12765 // Return result based on recommended install location. 12766 if (onSd) { 12767 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12768 } 12769 return pkgLite.recommendedInstallLocation; 12770 } 12771 12772 /* 12773 * Invoke remote method to get package information and install 12774 * location values. Override install location based on default 12775 * policy if needed and then create install arguments based 12776 * on the install location. 12777 */ 12778 public void handleStartCopy() throws RemoteException { 12779 int ret = PackageManager.INSTALL_SUCCEEDED; 12780 12781 // If we're already staged, we've firmly committed to an install location 12782 if (origin.staged) { 12783 if (origin.file != null) { 12784 installFlags |= PackageManager.INSTALL_INTERNAL; 12785 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12786 } else if (origin.cid != null) { 12787 installFlags |= PackageManager.INSTALL_EXTERNAL; 12788 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12789 } else { 12790 throw new IllegalStateException("Invalid stage location"); 12791 } 12792 } 12793 12794 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12795 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12796 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12797 PackageInfoLite pkgLite = null; 12798 12799 if (onInt && onSd) { 12800 // Check if both bits are set. 12801 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12802 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12803 } else if (onSd && ephemeral) { 12804 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12805 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12806 } else { 12807 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12808 packageAbiOverride); 12809 12810 if (DEBUG_EPHEMERAL && ephemeral) { 12811 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12812 } 12813 12814 /* 12815 * If we have too little free space, try to free cache 12816 * before giving up. 12817 */ 12818 if (!origin.staged && pkgLite.recommendedInstallLocation 12819 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12820 // TODO: focus freeing disk space on the target device 12821 final StorageManager storage = StorageManager.from(mContext); 12822 final long lowThreshold = storage.getStorageLowBytes( 12823 Environment.getDataDirectory()); 12824 12825 final long sizeBytes = mContainerService.calculateInstalledSize( 12826 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12827 12828 try { 12829 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12830 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12831 installFlags, packageAbiOverride); 12832 } catch (InstallerException e) { 12833 Slog.w(TAG, "Failed to free cache", e); 12834 } 12835 12836 /* 12837 * The cache free must have deleted the file we 12838 * downloaded to install. 12839 * 12840 * TODO: fix the "freeCache" call to not delete 12841 * the file we care about. 12842 */ 12843 if (pkgLite.recommendedInstallLocation 12844 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12845 pkgLite.recommendedInstallLocation 12846 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12847 } 12848 } 12849 } 12850 12851 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12852 int loc = pkgLite.recommendedInstallLocation; 12853 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12854 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12855 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12856 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12857 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12858 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12859 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12860 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12861 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12862 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12863 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12864 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12865 } else { 12866 // Override with defaults if needed. 12867 loc = installLocationPolicy(pkgLite); 12868 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12869 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12870 } else if (!onSd && !onInt) { 12871 // Override install location with flags 12872 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12873 // Set the flag to install on external media. 12874 installFlags |= PackageManager.INSTALL_EXTERNAL; 12875 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12876 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12877 if (DEBUG_EPHEMERAL) { 12878 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12879 } 12880 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12881 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12882 |PackageManager.INSTALL_INTERNAL); 12883 } else { 12884 // Make sure the flag for installing on external 12885 // media is unset 12886 installFlags |= PackageManager.INSTALL_INTERNAL; 12887 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12888 } 12889 } 12890 } 12891 } 12892 12893 final InstallArgs args = createInstallArgs(this); 12894 mArgs = args; 12895 12896 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12897 // TODO: http://b/22976637 12898 // Apps installed for "all" users use the device owner to verify the app 12899 UserHandle verifierUser = getUser(); 12900 if (verifierUser == UserHandle.ALL) { 12901 verifierUser = UserHandle.SYSTEM; 12902 } 12903 12904 /* 12905 * Determine if we have any installed package verifiers. If we 12906 * do, then we'll defer to them to verify the packages. 12907 */ 12908 final int requiredUid = mRequiredVerifierPackage == null ? -1 12909 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12910 verifierUser.getIdentifier()); 12911 if (!origin.existing && requiredUid != -1 12912 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12913 final Intent verification = new Intent( 12914 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12915 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12916 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12917 PACKAGE_MIME_TYPE); 12918 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12919 12920 // Query all live verifiers based on current user state 12921 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12922 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12923 12924 if (DEBUG_VERIFY) { 12925 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12926 + verification.toString() + " with " + pkgLite.verifiers.length 12927 + " optional verifiers"); 12928 } 12929 12930 final int verificationId = mPendingVerificationToken++; 12931 12932 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12933 12934 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12935 installerPackageName); 12936 12937 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12938 installFlags); 12939 12940 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12941 pkgLite.packageName); 12942 12943 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12944 pkgLite.versionCode); 12945 12946 if (verificationInfo != null) { 12947 if (verificationInfo.originatingUri != null) { 12948 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12949 verificationInfo.originatingUri); 12950 } 12951 if (verificationInfo.referrer != null) { 12952 verification.putExtra(Intent.EXTRA_REFERRER, 12953 verificationInfo.referrer); 12954 } 12955 if (verificationInfo.originatingUid >= 0) { 12956 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12957 verificationInfo.originatingUid); 12958 } 12959 if (verificationInfo.installerUid >= 0) { 12960 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12961 verificationInfo.installerUid); 12962 } 12963 } 12964 12965 final PackageVerificationState verificationState = new PackageVerificationState( 12966 requiredUid, args); 12967 12968 mPendingVerification.append(verificationId, verificationState); 12969 12970 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12971 receivers, verificationState); 12972 12973 /* 12974 * If any sufficient verifiers were listed in the package 12975 * manifest, attempt to ask them. 12976 */ 12977 if (sufficientVerifiers != null) { 12978 final int N = sufficientVerifiers.size(); 12979 if (N == 0) { 12980 Slog.i(TAG, "Additional verifiers required, but none installed."); 12981 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12982 } else { 12983 for (int i = 0; i < N; i++) { 12984 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12985 12986 final Intent sufficientIntent = new Intent(verification); 12987 sufficientIntent.setComponent(verifierComponent); 12988 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12989 } 12990 } 12991 } 12992 12993 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12994 mRequiredVerifierPackage, receivers); 12995 if (ret == PackageManager.INSTALL_SUCCEEDED 12996 && mRequiredVerifierPackage != null) { 12997 Trace.asyncTraceBegin( 12998 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12999 /* 13000 * Send the intent to the required verification agent, 13001 * but only start the verification timeout after the 13002 * target BroadcastReceivers have run. 13003 */ 13004 verification.setComponent(requiredVerifierComponent); 13005 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13006 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13007 new BroadcastReceiver() { 13008 @Override 13009 public void onReceive(Context context, Intent intent) { 13010 final Message msg = mHandler 13011 .obtainMessage(CHECK_PENDING_VERIFICATION); 13012 msg.arg1 = verificationId; 13013 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13014 } 13015 }, null, 0, null, null); 13016 13017 /* 13018 * We don't want the copy to proceed until verification 13019 * succeeds, so null out this field. 13020 */ 13021 mArgs = null; 13022 } 13023 } else { 13024 /* 13025 * No package verification is enabled, so immediately start 13026 * the remote call to initiate copy using temporary file. 13027 */ 13028 ret = args.copyApk(mContainerService, true); 13029 } 13030 } 13031 13032 mRet = ret; 13033 } 13034 13035 @Override 13036 void handleReturnCode() { 13037 // If mArgs is null, then MCS couldn't be reached. When it 13038 // reconnects, it will try again to install. At that point, this 13039 // will succeed. 13040 if (mArgs != null) { 13041 processPendingInstall(mArgs, mRet); 13042 } 13043 } 13044 13045 @Override 13046 void handleServiceError() { 13047 mArgs = createInstallArgs(this); 13048 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13049 } 13050 13051 public boolean isForwardLocked() { 13052 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13053 } 13054 } 13055 13056 /** 13057 * Used during creation of InstallArgs 13058 * 13059 * @param installFlags package installation flags 13060 * @return true if should be installed on external storage 13061 */ 13062 private static boolean installOnExternalAsec(int installFlags) { 13063 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13064 return false; 13065 } 13066 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13067 return true; 13068 } 13069 return false; 13070 } 13071 13072 /** 13073 * Used during creation of InstallArgs 13074 * 13075 * @param installFlags package installation flags 13076 * @return true if should be installed as forward locked 13077 */ 13078 private static boolean installForwardLocked(int installFlags) { 13079 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13080 } 13081 13082 private InstallArgs createInstallArgs(InstallParams params) { 13083 if (params.move != null) { 13084 return new MoveInstallArgs(params); 13085 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13086 return new AsecInstallArgs(params); 13087 } else { 13088 return new FileInstallArgs(params); 13089 } 13090 } 13091 13092 /** 13093 * Create args that describe an existing installed package. Typically used 13094 * when cleaning up old installs, or used as a move source. 13095 */ 13096 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13097 String resourcePath, String[] instructionSets) { 13098 final boolean isInAsec; 13099 if (installOnExternalAsec(installFlags)) { 13100 /* Apps on SD card are always in ASEC containers. */ 13101 isInAsec = true; 13102 } else if (installForwardLocked(installFlags) 13103 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13104 /* 13105 * Forward-locked apps are only in ASEC containers if they're the 13106 * new style 13107 */ 13108 isInAsec = true; 13109 } else { 13110 isInAsec = false; 13111 } 13112 13113 if (isInAsec) { 13114 return new AsecInstallArgs(codePath, instructionSets, 13115 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13116 } else { 13117 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13118 } 13119 } 13120 13121 static abstract class InstallArgs { 13122 /** @see InstallParams#origin */ 13123 final OriginInfo origin; 13124 /** @see InstallParams#move */ 13125 final MoveInfo move; 13126 13127 final IPackageInstallObserver2 observer; 13128 // Always refers to PackageManager flags only 13129 final int installFlags; 13130 final String installerPackageName; 13131 final String volumeUuid; 13132 final UserHandle user; 13133 final String abiOverride; 13134 final String[] installGrantPermissions; 13135 /** If non-null, drop an async trace when the install completes */ 13136 final String traceMethod; 13137 final int traceCookie; 13138 final Certificate[][] certificates; 13139 13140 // The list of instruction sets supported by this app. This is currently 13141 // only used during the rmdex() phase to clean up resources. We can get rid of this 13142 // if we move dex files under the common app path. 13143 /* nullable */ String[] instructionSets; 13144 13145 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13146 int installFlags, String installerPackageName, String volumeUuid, 13147 UserHandle user, String[] instructionSets, 13148 String abiOverride, String[] installGrantPermissions, 13149 String traceMethod, int traceCookie, Certificate[][] certificates) { 13150 this.origin = origin; 13151 this.move = move; 13152 this.installFlags = installFlags; 13153 this.observer = observer; 13154 this.installerPackageName = installerPackageName; 13155 this.volumeUuid = volumeUuid; 13156 this.user = user; 13157 this.instructionSets = instructionSets; 13158 this.abiOverride = abiOverride; 13159 this.installGrantPermissions = installGrantPermissions; 13160 this.traceMethod = traceMethod; 13161 this.traceCookie = traceCookie; 13162 this.certificates = certificates; 13163 } 13164 13165 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13166 abstract int doPreInstall(int status); 13167 13168 /** 13169 * Rename package into final resting place. All paths on the given 13170 * scanned package should be updated to reflect the rename. 13171 */ 13172 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13173 abstract int doPostInstall(int status, int uid); 13174 13175 /** @see PackageSettingBase#codePathString */ 13176 abstract String getCodePath(); 13177 /** @see PackageSettingBase#resourcePathString */ 13178 abstract String getResourcePath(); 13179 13180 // Need installer lock especially for dex file removal. 13181 abstract void cleanUpResourcesLI(); 13182 abstract boolean doPostDeleteLI(boolean delete); 13183 13184 /** 13185 * Called before the source arguments are copied. This is used mostly 13186 * for MoveParams when it needs to read the source file to put it in the 13187 * destination. 13188 */ 13189 int doPreCopy() { 13190 return PackageManager.INSTALL_SUCCEEDED; 13191 } 13192 13193 /** 13194 * Called after the source arguments are copied. This is used mostly for 13195 * MoveParams when it needs to read the source file to put it in the 13196 * destination. 13197 */ 13198 int doPostCopy(int uid) { 13199 return PackageManager.INSTALL_SUCCEEDED; 13200 } 13201 13202 protected boolean isFwdLocked() { 13203 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13204 } 13205 13206 protected boolean isExternalAsec() { 13207 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13208 } 13209 13210 protected boolean isEphemeral() { 13211 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13212 } 13213 13214 UserHandle getUser() { 13215 return user; 13216 } 13217 } 13218 13219 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13220 if (!allCodePaths.isEmpty()) { 13221 if (instructionSets == null) { 13222 throw new IllegalStateException("instructionSet == null"); 13223 } 13224 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13225 for (String codePath : allCodePaths) { 13226 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13227 try { 13228 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13229 } catch (InstallerException ignored) { 13230 } 13231 } 13232 } 13233 } 13234 } 13235 13236 /** 13237 * Logic to handle installation of non-ASEC applications, including copying 13238 * and renaming logic. 13239 */ 13240 class FileInstallArgs extends InstallArgs { 13241 private File codeFile; 13242 private File resourceFile; 13243 13244 // Example topology: 13245 // /data/app/com.example/base.apk 13246 // /data/app/com.example/split_foo.apk 13247 // /data/app/com.example/lib/arm/libfoo.so 13248 // /data/app/com.example/lib/arm64/libfoo.so 13249 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13250 13251 /** New install */ 13252 FileInstallArgs(InstallParams params) { 13253 super(params.origin, params.move, params.observer, params.installFlags, 13254 params.installerPackageName, params.volumeUuid, 13255 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13256 params.grantedRuntimePermissions, 13257 params.traceMethod, params.traceCookie, params.certificates); 13258 if (isFwdLocked()) { 13259 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13260 } 13261 } 13262 13263 /** Existing install */ 13264 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13265 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13266 null, null, null, 0, null /*certificates*/); 13267 this.codeFile = (codePath != null) ? new File(codePath) : null; 13268 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13269 } 13270 13271 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13272 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13273 try { 13274 return doCopyApk(imcs, temp); 13275 } finally { 13276 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13277 } 13278 } 13279 13280 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13281 if (origin.staged) { 13282 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13283 codeFile = origin.file; 13284 resourceFile = origin.file; 13285 return PackageManager.INSTALL_SUCCEEDED; 13286 } 13287 13288 try { 13289 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13290 final File tempDir = 13291 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13292 codeFile = tempDir; 13293 resourceFile = tempDir; 13294 } catch (IOException e) { 13295 Slog.w(TAG, "Failed to create copy file: " + e); 13296 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13297 } 13298 13299 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13300 @Override 13301 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13302 if (!FileUtils.isValidExtFilename(name)) { 13303 throw new IllegalArgumentException("Invalid filename: " + name); 13304 } 13305 try { 13306 final File file = new File(codeFile, name); 13307 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13308 O_RDWR | O_CREAT, 0644); 13309 Os.chmod(file.getAbsolutePath(), 0644); 13310 return new ParcelFileDescriptor(fd); 13311 } catch (ErrnoException e) { 13312 throw new RemoteException("Failed to open: " + e.getMessage()); 13313 } 13314 } 13315 }; 13316 13317 int ret = PackageManager.INSTALL_SUCCEEDED; 13318 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13319 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13320 Slog.e(TAG, "Failed to copy package"); 13321 return ret; 13322 } 13323 13324 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13325 NativeLibraryHelper.Handle handle = null; 13326 try { 13327 handle = NativeLibraryHelper.Handle.create(codeFile); 13328 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13329 abiOverride); 13330 } catch (IOException e) { 13331 Slog.e(TAG, "Copying native libraries failed", e); 13332 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13333 } finally { 13334 IoUtils.closeQuietly(handle); 13335 } 13336 13337 return ret; 13338 } 13339 13340 int doPreInstall(int status) { 13341 if (status != PackageManager.INSTALL_SUCCEEDED) { 13342 cleanUp(); 13343 } 13344 return status; 13345 } 13346 13347 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13348 if (status != PackageManager.INSTALL_SUCCEEDED) { 13349 cleanUp(); 13350 return false; 13351 } 13352 13353 final File targetDir = codeFile.getParentFile(); 13354 final File beforeCodeFile = codeFile; 13355 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13356 13357 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13358 try { 13359 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13360 } catch (ErrnoException e) { 13361 Slog.w(TAG, "Failed to rename", e); 13362 return false; 13363 } 13364 13365 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13366 Slog.w(TAG, "Failed to restorecon"); 13367 return false; 13368 } 13369 13370 // Reflect the rename internally 13371 codeFile = afterCodeFile; 13372 resourceFile = afterCodeFile; 13373 13374 // Reflect the rename in scanned details 13375 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13376 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13377 afterCodeFile, pkg.baseCodePath)); 13378 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13379 afterCodeFile, pkg.splitCodePaths)); 13380 13381 // Reflect the rename in app info 13382 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13383 pkg.setApplicationInfoCodePath(pkg.codePath); 13384 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13385 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13386 pkg.setApplicationInfoResourcePath(pkg.codePath); 13387 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13388 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13389 13390 return true; 13391 } 13392 13393 int doPostInstall(int status, int uid) { 13394 if (status != PackageManager.INSTALL_SUCCEEDED) { 13395 cleanUp(); 13396 } 13397 return status; 13398 } 13399 13400 @Override 13401 String getCodePath() { 13402 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13403 } 13404 13405 @Override 13406 String getResourcePath() { 13407 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13408 } 13409 13410 private boolean cleanUp() { 13411 if (codeFile == null || !codeFile.exists()) { 13412 return false; 13413 } 13414 13415 removeCodePathLI(codeFile); 13416 13417 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13418 resourceFile.delete(); 13419 } 13420 13421 return true; 13422 } 13423 13424 void cleanUpResourcesLI() { 13425 // Try enumerating all code paths before deleting 13426 List<String> allCodePaths = Collections.EMPTY_LIST; 13427 if (codeFile != null && codeFile.exists()) { 13428 try { 13429 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13430 allCodePaths = pkg.getAllCodePaths(); 13431 } catch (PackageParserException e) { 13432 // Ignored; we tried our best 13433 } 13434 } 13435 13436 cleanUp(); 13437 removeDexFiles(allCodePaths, instructionSets); 13438 } 13439 13440 boolean doPostDeleteLI(boolean delete) { 13441 // XXX err, shouldn't we respect the delete flag? 13442 cleanUpResourcesLI(); 13443 return true; 13444 } 13445 } 13446 13447 private boolean isAsecExternal(String cid) { 13448 final String asecPath = PackageHelper.getSdFilesystem(cid); 13449 return !asecPath.startsWith(mAsecInternalPath); 13450 } 13451 13452 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13453 PackageManagerException { 13454 if (copyRet < 0) { 13455 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13456 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13457 throw new PackageManagerException(copyRet, message); 13458 } 13459 } 13460 } 13461 13462 /** 13463 * Extract the MountService "container ID" from the full code path of an 13464 * .apk. 13465 */ 13466 static String cidFromCodePath(String fullCodePath) { 13467 int eidx = fullCodePath.lastIndexOf("/"); 13468 String subStr1 = fullCodePath.substring(0, eidx); 13469 int sidx = subStr1.lastIndexOf("/"); 13470 return subStr1.substring(sidx+1, eidx); 13471 } 13472 13473 /** 13474 * Logic to handle installation of ASEC applications, including copying and 13475 * renaming logic. 13476 */ 13477 class AsecInstallArgs extends InstallArgs { 13478 static final String RES_FILE_NAME = "pkg.apk"; 13479 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13480 13481 String cid; 13482 String packagePath; 13483 String resourcePath; 13484 13485 /** New install */ 13486 AsecInstallArgs(InstallParams params) { 13487 super(params.origin, params.move, params.observer, params.installFlags, 13488 params.installerPackageName, params.volumeUuid, 13489 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13490 params.grantedRuntimePermissions, 13491 params.traceMethod, params.traceCookie, params.certificates); 13492 } 13493 13494 /** Existing install */ 13495 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13496 boolean isExternal, boolean isForwardLocked) { 13497 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13498 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13499 instructionSets, null, null, null, 0, null /*certificates*/); 13500 // Hackily pretend we're still looking at a full code path 13501 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13502 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13503 } 13504 13505 // Extract cid from fullCodePath 13506 int eidx = fullCodePath.lastIndexOf("/"); 13507 String subStr1 = fullCodePath.substring(0, eidx); 13508 int sidx = subStr1.lastIndexOf("/"); 13509 cid = subStr1.substring(sidx+1, eidx); 13510 setMountPath(subStr1); 13511 } 13512 13513 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13514 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13515 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13516 instructionSets, null, null, null, 0, null /*certificates*/); 13517 this.cid = cid; 13518 setMountPath(PackageHelper.getSdDir(cid)); 13519 } 13520 13521 void createCopyFile() { 13522 cid = mInstallerService.allocateExternalStageCidLegacy(); 13523 } 13524 13525 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13526 if (origin.staged && origin.cid != null) { 13527 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13528 cid = origin.cid; 13529 setMountPath(PackageHelper.getSdDir(cid)); 13530 return PackageManager.INSTALL_SUCCEEDED; 13531 } 13532 13533 if (temp) { 13534 createCopyFile(); 13535 } else { 13536 /* 13537 * Pre-emptively destroy the container since it's destroyed if 13538 * copying fails due to it existing anyway. 13539 */ 13540 PackageHelper.destroySdDir(cid); 13541 } 13542 13543 final String newMountPath = imcs.copyPackageToContainer( 13544 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13545 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13546 13547 if (newMountPath != null) { 13548 setMountPath(newMountPath); 13549 return PackageManager.INSTALL_SUCCEEDED; 13550 } else { 13551 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13552 } 13553 } 13554 13555 @Override 13556 String getCodePath() { 13557 return packagePath; 13558 } 13559 13560 @Override 13561 String getResourcePath() { 13562 return resourcePath; 13563 } 13564 13565 int doPreInstall(int status) { 13566 if (status != PackageManager.INSTALL_SUCCEEDED) { 13567 // Destroy container 13568 PackageHelper.destroySdDir(cid); 13569 } else { 13570 boolean mounted = PackageHelper.isContainerMounted(cid); 13571 if (!mounted) { 13572 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13573 Process.SYSTEM_UID); 13574 if (newMountPath != null) { 13575 setMountPath(newMountPath); 13576 } else { 13577 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13578 } 13579 } 13580 } 13581 return status; 13582 } 13583 13584 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13585 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13586 String newMountPath = null; 13587 if (PackageHelper.isContainerMounted(cid)) { 13588 // Unmount the container 13589 if (!PackageHelper.unMountSdDir(cid)) { 13590 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13591 return false; 13592 } 13593 } 13594 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13595 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13596 " which might be stale. Will try to clean up."); 13597 // Clean up the stale container and proceed to recreate. 13598 if (!PackageHelper.destroySdDir(newCacheId)) { 13599 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13600 return false; 13601 } 13602 // Successfully cleaned up stale container. Try to rename again. 13603 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13604 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13605 + " inspite of cleaning it up."); 13606 return false; 13607 } 13608 } 13609 if (!PackageHelper.isContainerMounted(newCacheId)) { 13610 Slog.w(TAG, "Mounting container " + newCacheId); 13611 newMountPath = PackageHelper.mountSdDir(newCacheId, 13612 getEncryptKey(), Process.SYSTEM_UID); 13613 } else { 13614 newMountPath = PackageHelper.getSdDir(newCacheId); 13615 } 13616 if (newMountPath == null) { 13617 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13618 return false; 13619 } 13620 Log.i(TAG, "Succesfully renamed " + cid + 13621 " to " + newCacheId + 13622 " at new path: " + newMountPath); 13623 cid = newCacheId; 13624 13625 final File beforeCodeFile = new File(packagePath); 13626 setMountPath(newMountPath); 13627 final File afterCodeFile = new File(packagePath); 13628 13629 // Reflect the rename in scanned details 13630 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13631 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13632 afterCodeFile, pkg.baseCodePath)); 13633 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13634 afterCodeFile, pkg.splitCodePaths)); 13635 13636 // Reflect the rename in app info 13637 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13638 pkg.setApplicationInfoCodePath(pkg.codePath); 13639 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13640 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13641 pkg.setApplicationInfoResourcePath(pkg.codePath); 13642 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13643 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13644 13645 return true; 13646 } 13647 13648 private void setMountPath(String mountPath) { 13649 final File mountFile = new File(mountPath); 13650 13651 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13652 if (monolithicFile.exists()) { 13653 packagePath = monolithicFile.getAbsolutePath(); 13654 if (isFwdLocked()) { 13655 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13656 } else { 13657 resourcePath = packagePath; 13658 } 13659 } else { 13660 packagePath = mountFile.getAbsolutePath(); 13661 resourcePath = packagePath; 13662 } 13663 } 13664 13665 int doPostInstall(int status, int uid) { 13666 if (status != PackageManager.INSTALL_SUCCEEDED) { 13667 cleanUp(); 13668 } else { 13669 final int groupOwner; 13670 final String protectedFile; 13671 if (isFwdLocked()) { 13672 groupOwner = UserHandle.getSharedAppGid(uid); 13673 protectedFile = RES_FILE_NAME; 13674 } else { 13675 groupOwner = -1; 13676 protectedFile = null; 13677 } 13678 13679 if (uid < Process.FIRST_APPLICATION_UID 13680 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13681 Slog.e(TAG, "Failed to finalize " + cid); 13682 PackageHelper.destroySdDir(cid); 13683 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13684 } 13685 13686 boolean mounted = PackageHelper.isContainerMounted(cid); 13687 if (!mounted) { 13688 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13689 } 13690 } 13691 return status; 13692 } 13693 13694 private void cleanUp() { 13695 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13696 13697 // Destroy secure container 13698 PackageHelper.destroySdDir(cid); 13699 } 13700 13701 private List<String> getAllCodePaths() { 13702 final File codeFile = new File(getCodePath()); 13703 if (codeFile != null && codeFile.exists()) { 13704 try { 13705 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13706 return pkg.getAllCodePaths(); 13707 } catch (PackageParserException e) { 13708 // Ignored; we tried our best 13709 } 13710 } 13711 return Collections.EMPTY_LIST; 13712 } 13713 13714 void cleanUpResourcesLI() { 13715 // Enumerate all code paths before deleting 13716 cleanUpResourcesLI(getAllCodePaths()); 13717 } 13718 13719 private void cleanUpResourcesLI(List<String> allCodePaths) { 13720 cleanUp(); 13721 removeDexFiles(allCodePaths, instructionSets); 13722 } 13723 13724 String getPackageName() { 13725 return getAsecPackageName(cid); 13726 } 13727 13728 boolean doPostDeleteLI(boolean delete) { 13729 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13730 final List<String> allCodePaths = getAllCodePaths(); 13731 boolean mounted = PackageHelper.isContainerMounted(cid); 13732 if (mounted) { 13733 // Unmount first 13734 if (PackageHelper.unMountSdDir(cid)) { 13735 mounted = false; 13736 } 13737 } 13738 if (!mounted && delete) { 13739 cleanUpResourcesLI(allCodePaths); 13740 } 13741 return !mounted; 13742 } 13743 13744 @Override 13745 int doPreCopy() { 13746 if (isFwdLocked()) { 13747 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13748 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13749 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13750 } 13751 } 13752 13753 return PackageManager.INSTALL_SUCCEEDED; 13754 } 13755 13756 @Override 13757 int doPostCopy(int uid) { 13758 if (isFwdLocked()) { 13759 if (uid < Process.FIRST_APPLICATION_UID 13760 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13761 RES_FILE_NAME)) { 13762 Slog.e(TAG, "Failed to finalize " + cid); 13763 PackageHelper.destroySdDir(cid); 13764 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13765 } 13766 } 13767 13768 return PackageManager.INSTALL_SUCCEEDED; 13769 } 13770 } 13771 13772 /** 13773 * Logic to handle movement of existing installed applications. 13774 */ 13775 class MoveInstallArgs extends InstallArgs { 13776 private File codeFile; 13777 private File resourceFile; 13778 13779 /** New install */ 13780 MoveInstallArgs(InstallParams params) { 13781 super(params.origin, params.move, params.observer, params.installFlags, 13782 params.installerPackageName, params.volumeUuid, 13783 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13784 params.grantedRuntimePermissions, 13785 params.traceMethod, params.traceCookie, params.certificates); 13786 } 13787 13788 int copyApk(IMediaContainerService imcs, boolean temp) { 13789 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13790 + move.fromUuid + " to " + move.toUuid); 13791 synchronized (mInstaller) { 13792 try { 13793 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13794 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13795 } catch (InstallerException e) { 13796 Slog.w(TAG, "Failed to move app", e); 13797 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13798 } 13799 } 13800 13801 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13802 resourceFile = codeFile; 13803 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13804 13805 return PackageManager.INSTALL_SUCCEEDED; 13806 } 13807 13808 int doPreInstall(int status) { 13809 if (status != PackageManager.INSTALL_SUCCEEDED) { 13810 cleanUp(move.toUuid); 13811 } 13812 return status; 13813 } 13814 13815 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13816 if (status != PackageManager.INSTALL_SUCCEEDED) { 13817 cleanUp(move.toUuid); 13818 return false; 13819 } 13820 13821 // Reflect the move in app info 13822 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13823 pkg.setApplicationInfoCodePath(pkg.codePath); 13824 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13825 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13826 pkg.setApplicationInfoResourcePath(pkg.codePath); 13827 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13828 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13829 13830 return true; 13831 } 13832 13833 int doPostInstall(int status, int uid) { 13834 if (status == PackageManager.INSTALL_SUCCEEDED) { 13835 cleanUp(move.fromUuid); 13836 } else { 13837 cleanUp(move.toUuid); 13838 } 13839 return status; 13840 } 13841 13842 @Override 13843 String getCodePath() { 13844 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13845 } 13846 13847 @Override 13848 String getResourcePath() { 13849 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13850 } 13851 13852 private boolean cleanUp(String volumeUuid) { 13853 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13854 move.dataAppName); 13855 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13856 final int[] userIds = sUserManager.getUserIds(); 13857 synchronized (mInstallLock) { 13858 // Clean up both app data and code 13859 // All package moves are frozen until finished 13860 for (int userId : userIds) { 13861 try { 13862 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13863 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13864 } catch (InstallerException e) { 13865 Slog.w(TAG, String.valueOf(e)); 13866 } 13867 } 13868 removeCodePathLI(codeFile); 13869 } 13870 return true; 13871 } 13872 13873 void cleanUpResourcesLI() { 13874 throw new UnsupportedOperationException(); 13875 } 13876 13877 boolean doPostDeleteLI(boolean delete) { 13878 throw new UnsupportedOperationException(); 13879 } 13880 } 13881 13882 static String getAsecPackageName(String packageCid) { 13883 int idx = packageCid.lastIndexOf("-"); 13884 if (idx == -1) { 13885 return packageCid; 13886 } 13887 return packageCid.substring(0, idx); 13888 } 13889 13890 // Utility method used to create code paths based on package name and available index. 13891 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13892 String idxStr = ""; 13893 int idx = 1; 13894 // Fall back to default value of idx=1 if prefix is not 13895 // part of oldCodePath 13896 if (oldCodePath != null) { 13897 String subStr = oldCodePath; 13898 // Drop the suffix right away 13899 if (suffix != null && subStr.endsWith(suffix)) { 13900 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13901 } 13902 // If oldCodePath already contains prefix find out the 13903 // ending index to either increment or decrement. 13904 int sidx = subStr.lastIndexOf(prefix); 13905 if (sidx != -1) { 13906 subStr = subStr.substring(sidx + prefix.length()); 13907 if (subStr != null) { 13908 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13909 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13910 } 13911 try { 13912 idx = Integer.parseInt(subStr); 13913 if (idx <= 1) { 13914 idx++; 13915 } else { 13916 idx--; 13917 } 13918 } catch(NumberFormatException e) { 13919 } 13920 } 13921 } 13922 } 13923 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13924 return prefix + idxStr; 13925 } 13926 13927 private File getNextCodePath(File targetDir, String packageName) { 13928 int suffix = 1; 13929 File result; 13930 do { 13931 result = new File(targetDir, packageName + "-" + suffix); 13932 suffix++; 13933 } while (result.exists()); 13934 return result; 13935 } 13936 13937 // Utility method that returns the relative package path with respect 13938 // to the installation directory. Like say for /data/data/com.test-1.apk 13939 // string com.test-1 is returned. 13940 static String deriveCodePathName(String codePath) { 13941 if (codePath == null) { 13942 return null; 13943 } 13944 final File codeFile = new File(codePath); 13945 final String name = codeFile.getName(); 13946 if (codeFile.isDirectory()) { 13947 return name; 13948 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13949 final int lastDot = name.lastIndexOf('.'); 13950 return name.substring(0, lastDot); 13951 } else { 13952 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13953 return null; 13954 } 13955 } 13956 13957 static class PackageInstalledInfo { 13958 String name; 13959 int uid; 13960 // The set of users that originally had this package installed. 13961 int[] origUsers; 13962 // The set of users that now have this package installed. 13963 int[] newUsers; 13964 PackageParser.Package pkg; 13965 int returnCode; 13966 String returnMsg; 13967 PackageRemovedInfo removedInfo; 13968 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13969 13970 public void setError(int code, String msg) { 13971 setReturnCode(code); 13972 setReturnMessage(msg); 13973 Slog.w(TAG, msg); 13974 } 13975 13976 public void setError(String msg, PackageParserException e) { 13977 setReturnCode(e.error); 13978 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13979 Slog.w(TAG, msg, e); 13980 } 13981 13982 public void setError(String msg, PackageManagerException e) { 13983 returnCode = e.error; 13984 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13985 Slog.w(TAG, msg, e); 13986 } 13987 13988 public void setReturnCode(int returnCode) { 13989 this.returnCode = returnCode; 13990 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13991 for (int i = 0; i < childCount; i++) { 13992 addedChildPackages.valueAt(i).returnCode = returnCode; 13993 } 13994 } 13995 13996 private void setReturnMessage(String returnMsg) { 13997 this.returnMsg = returnMsg; 13998 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13999 for (int i = 0; i < childCount; i++) { 14000 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14001 } 14002 } 14003 14004 // In some error cases we want to convey more info back to the observer 14005 String origPackage; 14006 String origPermission; 14007 } 14008 14009 /* 14010 * Install a non-existing package. 14011 */ 14012 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14013 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14014 PackageInstalledInfo res) { 14015 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14016 14017 // Remember this for later, in case we need to rollback this install 14018 String pkgName = pkg.packageName; 14019 14020 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14021 14022 synchronized(mPackages) { 14023 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14024 // A package with the same name is already installed, though 14025 // it has been renamed to an older name. The package we 14026 // are trying to install should be installed as an update to 14027 // the existing one, but that has not been requested, so bail. 14028 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14029 + " without first uninstalling package running as " 14030 + mSettings.mRenamedPackages.get(pkgName)); 14031 return; 14032 } 14033 if (mPackages.containsKey(pkgName)) { 14034 // Don't allow installation over an existing package with the same name. 14035 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14036 + " without first uninstalling."); 14037 return; 14038 } 14039 } 14040 14041 try { 14042 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14043 System.currentTimeMillis(), user); 14044 14045 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14046 14047 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14048 prepareAppDataAfterInstallLIF(newPackage); 14049 14050 } else { 14051 // Remove package from internal structures, but keep around any 14052 // data that might have already existed 14053 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14054 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14055 } 14056 } catch (PackageManagerException e) { 14057 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14058 } 14059 14060 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14061 } 14062 14063 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14064 // Can't rotate keys during boot or if sharedUser. 14065 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14066 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14067 return false; 14068 } 14069 // app is using upgradeKeySets; make sure all are valid 14070 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14071 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14072 for (int i = 0; i < upgradeKeySets.length; i++) { 14073 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14074 Slog.wtf(TAG, "Package " 14075 + (oldPs.name != null ? oldPs.name : "<null>") 14076 + " contains upgrade-key-set reference to unknown key-set: " 14077 + upgradeKeySets[i] 14078 + " reverting to signatures check."); 14079 return false; 14080 } 14081 } 14082 return true; 14083 } 14084 14085 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14086 // Upgrade keysets are being used. Determine if new package has a superset of the 14087 // required keys. 14088 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14089 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14090 for (int i = 0; i < upgradeKeySets.length; i++) { 14091 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14092 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14093 return true; 14094 } 14095 } 14096 return false; 14097 } 14098 14099 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14100 try (DigestInputStream digestStream = 14101 new DigestInputStream(new FileInputStream(file), digest)) { 14102 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14103 } 14104 } 14105 14106 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14107 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14108 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14109 14110 final PackageParser.Package oldPackage; 14111 final String pkgName = pkg.packageName; 14112 final int[] allUsers; 14113 final int[] installedUsers; 14114 14115 synchronized(mPackages) { 14116 oldPackage = mPackages.get(pkgName); 14117 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14118 14119 // don't allow upgrade to target a release SDK from a pre-release SDK 14120 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14121 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14122 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14123 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14124 if (oldTargetsPreRelease 14125 && !newTargetsPreRelease 14126 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14127 Slog.w(TAG, "Can't install package targeting released sdk"); 14128 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14129 return; 14130 } 14131 14132 // don't allow an upgrade from full to ephemeral 14133 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14134 if (isEphemeral && !oldIsEphemeral) { 14135 // can't downgrade from full to ephemeral 14136 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14137 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14138 return; 14139 } 14140 14141 // verify signatures are valid 14142 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14143 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14144 if (!checkUpgradeKeySetLP(ps, pkg)) { 14145 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14146 "New package not signed by keys specified by upgrade-keysets: " 14147 + pkgName); 14148 return; 14149 } 14150 } else { 14151 // default to original signature matching 14152 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14153 != PackageManager.SIGNATURE_MATCH) { 14154 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14155 "New package has a different signature: " + pkgName); 14156 return; 14157 } 14158 } 14159 14160 // don't allow a system upgrade unless the upgrade hash matches 14161 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14162 byte[] digestBytes = null; 14163 try { 14164 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14165 updateDigest(digest, new File(pkg.baseCodePath)); 14166 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14167 for (String path : pkg.splitCodePaths) { 14168 updateDigest(digest, new File(path)); 14169 } 14170 } 14171 digestBytes = digest.digest(); 14172 } catch (NoSuchAlgorithmException | IOException e) { 14173 res.setError(INSTALL_FAILED_INVALID_APK, 14174 "Could not compute hash: " + pkgName); 14175 return; 14176 } 14177 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14178 res.setError(INSTALL_FAILED_INVALID_APK, 14179 "New package fails restrict-update check: " + pkgName); 14180 return; 14181 } 14182 // retain upgrade restriction 14183 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14184 } 14185 14186 // Check for shared user id changes 14187 String invalidPackageName = 14188 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14189 if (invalidPackageName != null) { 14190 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14191 "Package " + invalidPackageName + " tried to change user " 14192 + oldPackage.mSharedUserId); 14193 return; 14194 } 14195 14196 // In case of rollback, remember per-user/profile install state 14197 allUsers = sUserManager.getUserIds(); 14198 installedUsers = ps.queryInstalledUsers(allUsers, true); 14199 } 14200 14201 // Update what is removed 14202 res.removedInfo = new PackageRemovedInfo(); 14203 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14204 res.removedInfo.removedPackage = oldPackage.packageName; 14205 res.removedInfo.isUpdate = true; 14206 res.removedInfo.origUsers = installedUsers; 14207 final int childCount = (oldPackage.childPackages != null) 14208 ? oldPackage.childPackages.size() : 0; 14209 for (int i = 0; i < childCount; i++) { 14210 boolean childPackageUpdated = false; 14211 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14212 if (res.addedChildPackages != null) { 14213 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14214 if (childRes != null) { 14215 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14216 childRes.removedInfo.removedPackage = childPkg.packageName; 14217 childRes.removedInfo.isUpdate = true; 14218 childPackageUpdated = true; 14219 } 14220 } 14221 if (!childPackageUpdated) { 14222 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14223 childRemovedRes.removedPackage = childPkg.packageName; 14224 childRemovedRes.isUpdate = false; 14225 childRemovedRes.dataRemoved = true; 14226 synchronized (mPackages) { 14227 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14228 if (childPs != null) { 14229 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14230 } 14231 } 14232 if (res.removedInfo.removedChildPackages == null) { 14233 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14234 } 14235 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14236 } 14237 } 14238 14239 boolean sysPkg = (isSystemApp(oldPackage)); 14240 if (sysPkg) { 14241 // Set the system/privileged flags as needed 14242 final boolean privileged = 14243 (oldPackage.applicationInfo.privateFlags 14244 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14245 final int systemPolicyFlags = policyFlags 14246 | PackageParser.PARSE_IS_SYSTEM 14247 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14248 14249 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14250 user, allUsers, installerPackageName, res); 14251 } else { 14252 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14253 user, allUsers, installerPackageName, res); 14254 } 14255 } 14256 14257 public List<String> getPreviousCodePaths(String packageName) { 14258 final PackageSetting ps = mSettings.mPackages.get(packageName); 14259 final List<String> result = new ArrayList<String>(); 14260 if (ps != null && ps.oldCodePaths != null) { 14261 result.addAll(ps.oldCodePaths); 14262 } 14263 return result; 14264 } 14265 14266 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14267 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14268 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14269 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14270 + deletedPackage); 14271 14272 String pkgName = deletedPackage.packageName; 14273 boolean deletedPkg = true; 14274 boolean addedPkg = false; 14275 boolean updatedSettings = false; 14276 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14277 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14278 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14279 14280 final long origUpdateTime = (pkg.mExtras != null) 14281 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14282 14283 // First delete the existing package while retaining the data directory 14284 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14285 res.removedInfo, true, pkg)) { 14286 // If the existing package wasn't successfully deleted 14287 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14288 deletedPkg = false; 14289 } else { 14290 // Successfully deleted the old package; proceed with replace. 14291 14292 // If deleted package lived in a container, give users a chance to 14293 // relinquish resources before killing. 14294 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14295 if (DEBUG_INSTALL) { 14296 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14297 } 14298 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14299 final ArrayList<String> pkgList = new ArrayList<String>(1); 14300 pkgList.add(deletedPackage.applicationInfo.packageName); 14301 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14302 } 14303 14304 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14305 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14306 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14307 14308 try { 14309 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14310 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14311 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14312 14313 // Update the in-memory copy of the previous code paths. 14314 PackageSetting ps = mSettings.mPackages.get(pkgName); 14315 if (!killApp) { 14316 if (ps.oldCodePaths == null) { 14317 ps.oldCodePaths = new ArraySet<>(); 14318 } 14319 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14320 if (deletedPackage.splitCodePaths != null) { 14321 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14322 } 14323 } else { 14324 ps.oldCodePaths = null; 14325 } 14326 if (ps.childPackageNames != null) { 14327 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14328 final String childPkgName = ps.childPackageNames.get(i); 14329 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14330 childPs.oldCodePaths = ps.oldCodePaths; 14331 } 14332 } 14333 prepareAppDataAfterInstallLIF(newPackage); 14334 addedPkg = true; 14335 } catch (PackageManagerException e) { 14336 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14337 } 14338 } 14339 14340 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14341 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14342 14343 // Revert all internal state mutations and added folders for the failed install 14344 if (addedPkg) { 14345 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14346 res.removedInfo, true, null); 14347 } 14348 14349 // Restore the old package 14350 if (deletedPkg) { 14351 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14352 File restoreFile = new File(deletedPackage.codePath); 14353 // Parse old package 14354 boolean oldExternal = isExternal(deletedPackage); 14355 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14356 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14357 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14358 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14359 try { 14360 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14361 null); 14362 } catch (PackageManagerException e) { 14363 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14364 + e.getMessage()); 14365 return; 14366 } 14367 14368 synchronized (mPackages) { 14369 // Ensure the installer package name up to date 14370 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14371 14372 // Update permissions for restored package 14373 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14374 14375 mSettings.writeLPr(); 14376 } 14377 14378 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14379 } 14380 } else { 14381 synchronized (mPackages) { 14382 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14383 if (ps != null) { 14384 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14385 if (res.removedInfo.removedChildPackages != null) { 14386 final int childCount = res.removedInfo.removedChildPackages.size(); 14387 // Iterate in reverse as we may modify the collection 14388 for (int i = childCount - 1; i >= 0; i--) { 14389 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14390 if (res.addedChildPackages.containsKey(childPackageName)) { 14391 res.removedInfo.removedChildPackages.removeAt(i); 14392 } else { 14393 PackageRemovedInfo childInfo = res.removedInfo 14394 .removedChildPackages.valueAt(i); 14395 childInfo.removedForAllUsers = mPackages.get( 14396 childInfo.removedPackage) == null; 14397 } 14398 } 14399 } 14400 } 14401 } 14402 } 14403 } 14404 14405 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14406 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14407 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14408 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14409 + ", old=" + deletedPackage); 14410 14411 final boolean disabledSystem; 14412 14413 // Remove existing system package 14414 removePackageLI(deletedPackage, true); 14415 14416 synchronized (mPackages) { 14417 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14418 } 14419 if (!disabledSystem) { 14420 // We didn't need to disable the .apk as a current system package, 14421 // which means we are replacing another update that is already 14422 // installed. We need to make sure to delete the older one's .apk. 14423 res.removedInfo.args = createInstallArgsForExisting(0, 14424 deletedPackage.applicationInfo.getCodePath(), 14425 deletedPackage.applicationInfo.getResourcePath(), 14426 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14427 } else { 14428 res.removedInfo.args = null; 14429 } 14430 14431 // Successfully disabled the old package. Now proceed with re-installation 14432 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14433 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14434 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14435 14436 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14437 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14438 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14439 14440 PackageParser.Package newPackage = null; 14441 try { 14442 // Add the package to the internal data structures 14443 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14444 14445 // Set the update and install times 14446 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14447 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14448 System.currentTimeMillis()); 14449 14450 // Update the package dynamic state if succeeded 14451 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14452 // Now that the install succeeded make sure we remove data 14453 // directories for any child package the update removed. 14454 final int deletedChildCount = (deletedPackage.childPackages != null) 14455 ? deletedPackage.childPackages.size() : 0; 14456 final int newChildCount = (newPackage.childPackages != null) 14457 ? newPackage.childPackages.size() : 0; 14458 for (int i = 0; i < deletedChildCount; i++) { 14459 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14460 boolean childPackageDeleted = true; 14461 for (int j = 0; j < newChildCount; j++) { 14462 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14463 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14464 childPackageDeleted = false; 14465 break; 14466 } 14467 } 14468 if (childPackageDeleted) { 14469 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14470 deletedChildPkg.packageName); 14471 if (ps != null && res.removedInfo.removedChildPackages != null) { 14472 PackageRemovedInfo removedChildRes = res.removedInfo 14473 .removedChildPackages.get(deletedChildPkg.packageName); 14474 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14475 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14476 } 14477 } 14478 } 14479 14480 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14481 prepareAppDataAfterInstallLIF(newPackage); 14482 } 14483 } catch (PackageManagerException e) { 14484 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14485 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14486 } 14487 14488 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14489 // Re installation failed. Restore old information 14490 // Remove new pkg information 14491 if (newPackage != null) { 14492 removeInstalledPackageLI(newPackage, true); 14493 } 14494 // Add back the old system package 14495 try { 14496 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14497 } catch (PackageManagerException e) { 14498 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14499 } 14500 14501 synchronized (mPackages) { 14502 if (disabledSystem) { 14503 enableSystemPackageLPw(deletedPackage); 14504 } 14505 14506 // Ensure the installer package name up to date 14507 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14508 14509 // Update permissions for restored package 14510 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14511 14512 mSettings.writeLPr(); 14513 } 14514 14515 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14516 + " after failed upgrade"); 14517 } 14518 } 14519 14520 /** 14521 * Checks whether the parent or any of the child packages have a change shared 14522 * user. For a package to be a valid update the shred users of the parent and 14523 * the children should match. We may later support changing child shared users. 14524 * @param oldPkg The updated package. 14525 * @param newPkg The update package. 14526 * @return The shared user that change between the versions. 14527 */ 14528 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14529 PackageParser.Package newPkg) { 14530 // Check parent shared user 14531 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14532 return newPkg.packageName; 14533 } 14534 // Check child shared users 14535 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14536 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14537 for (int i = 0; i < newChildCount; i++) { 14538 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14539 // If this child was present, did it have the same shared user? 14540 for (int j = 0; j < oldChildCount; j++) { 14541 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14542 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14543 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14544 return newChildPkg.packageName; 14545 } 14546 } 14547 } 14548 return null; 14549 } 14550 14551 private void removeNativeBinariesLI(PackageSetting ps) { 14552 // Remove the lib path for the parent package 14553 if (ps != null) { 14554 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14555 // Remove the lib path for the child packages 14556 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14557 for (int i = 0; i < childCount; i++) { 14558 PackageSetting childPs = null; 14559 synchronized (mPackages) { 14560 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14561 } 14562 if (childPs != null) { 14563 NativeLibraryHelper.removeNativeBinariesLI(childPs 14564 .legacyNativeLibraryPathString); 14565 } 14566 } 14567 } 14568 } 14569 14570 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14571 // Enable the parent package 14572 mSettings.enableSystemPackageLPw(pkg.packageName); 14573 // Enable the child packages 14574 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14575 for (int i = 0; i < childCount; i++) { 14576 PackageParser.Package childPkg = pkg.childPackages.get(i); 14577 mSettings.enableSystemPackageLPw(childPkg.packageName); 14578 } 14579 } 14580 14581 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14582 PackageParser.Package newPkg) { 14583 // Disable the parent package (parent always replaced) 14584 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14585 // Disable the child packages 14586 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14587 for (int i = 0; i < childCount; i++) { 14588 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14589 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14590 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14591 } 14592 return disabled; 14593 } 14594 14595 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14596 String installerPackageName) { 14597 // Enable the parent package 14598 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14599 // Enable the child packages 14600 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14601 for (int i = 0; i < childCount; i++) { 14602 PackageParser.Package childPkg = pkg.childPackages.get(i); 14603 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14604 } 14605 } 14606 14607 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14608 // Collect all used permissions in the UID 14609 ArraySet<String> usedPermissions = new ArraySet<>(); 14610 final int packageCount = su.packages.size(); 14611 for (int i = 0; i < packageCount; i++) { 14612 PackageSetting ps = su.packages.valueAt(i); 14613 if (ps.pkg == null) { 14614 continue; 14615 } 14616 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14617 for (int j = 0; j < requestedPermCount; j++) { 14618 String permission = ps.pkg.requestedPermissions.get(j); 14619 BasePermission bp = mSettings.mPermissions.get(permission); 14620 if (bp != null) { 14621 usedPermissions.add(permission); 14622 } 14623 } 14624 } 14625 14626 PermissionsState permissionsState = su.getPermissionsState(); 14627 // Prune install permissions 14628 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14629 final int installPermCount = installPermStates.size(); 14630 for (int i = installPermCount - 1; i >= 0; i--) { 14631 PermissionState permissionState = installPermStates.get(i); 14632 if (!usedPermissions.contains(permissionState.getName())) { 14633 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14634 if (bp != null) { 14635 permissionsState.revokeInstallPermission(bp); 14636 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14637 PackageManager.MASK_PERMISSION_FLAGS, 0); 14638 } 14639 } 14640 } 14641 14642 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14643 14644 // Prune runtime permissions 14645 for (int userId : allUserIds) { 14646 List<PermissionState> runtimePermStates = permissionsState 14647 .getRuntimePermissionStates(userId); 14648 final int runtimePermCount = runtimePermStates.size(); 14649 for (int i = runtimePermCount - 1; i >= 0; i--) { 14650 PermissionState permissionState = runtimePermStates.get(i); 14651 if (!usedPermissions.contains(permissionState.getName())) { 14652 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14653 if (bp != null) { 14654 permissionsState.revokeRuntimePermission(bp, userId); 14655 permissionsState.updatePermissionFlags(bp, userId, 14656 PackageManager.MASK_PERMISSION_FLAGS, 0); 14657 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14658 runtimePermissionChangedUserIds, userId); 14659 } 14660 } 14661 } 14662 } 14663 14664 return runtimePermissionChangedUserIds; 14665 } 14666 14667 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14668 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14669 // Update the parent package setting 14670 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14671 res, user); 14672 // Update the child packages setting 14673 final int childCount = (newPackage.childPackages != null) 14674 ? newPackage.childPackages.size() : 0; 14675 for (int i = 0; i < childCount; i++) { 14676 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14677 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14678 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14679 childRes.origUsers, childRes, user); 14680 } 14681 } 14682 14683 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14684 String installerPackageName, int[] allUsers, int[] installedForUsers, 14685 PackageInstalledInfo res, UserHandle user) { 14686 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14687 14688 String pkgName = newPackage.packageName; 14689 synchronized (mPackages) { 14690 //write settings. the installStatus will be incomplete at this stage. 14691 //note that the new package setting would have already been 14692 //added to mPackages. It hasn't been persisted yet. 14693 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14694 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14695 mSettings.writeLPr(); 14696 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14697 } 14698 14699 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14700 synchronized (mPackages) { 14701 updatePermissionsLPw(newPackage.packageName, newPackage, 14702 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14703 ? UPDATE_PERMISSIONS_ALL : 0)); 14704 // For system-bundled packages, we assume that installing an upgraded version 14705 // of the package implies that the user actually wants to run that new code, 14706 // so we enable the package. 14707 PackageSetting ps = mSettings.mPackages.get(pkgName); 14708 final int userId = user.getIdentifier(); 14709 if (ps != null) { 14710 if (isSystemApp(newPackage)) { 14711 if (DEBUG_INSTALL) { 14712 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14713 } 14714 // Enable system package for requested users 14715 if (res.origUsers != null) { 14716 for (int origUserId : res.origUsers) { 14717 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14718 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14719 origUserId, installerPackageName); 14720 } 14721 } 14722 } 14723 // Also convey the prior install/uninstall state 14724 if (allUsers != null && installedForUsers != null) { 14725 for (int currentUserId : allUsers) { 14726 final boolean installed = ArrayUtils.contains( 14727 installedForUsers, currentUserId); 14728 if (DEBUG_INSTALL) { 14729 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14730 } 14731 ps.setInstalled(installed, currentUserId); 14732 } 14733 // these install state changes will be persisted in the 14734 // upcoming call to mSettings.writeLPr(). 14735 } 14736 } 14737 // It's implied that when a user requests installation, they want the app to be 14738 // installed and enabled. 14739 if (userId != UserHandle.USER_ALL) { 14740 ps.setInstalled(true, userId); 14741 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14742 } 14743 } 14744 res.name = pkgName; 14745 res.uid = newPackage.applicationInfo.uid; 14746 res.pkg = newPackage; 14747 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14748 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14749 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14750 //to update install status 14751 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14752 mSettings.writeLPr(); 14753 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14754 } 14755 14756 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14757 } 14758 14759 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14760 try { 14761 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14762 installPackageLI(args, res); 14763 } finally { 14764 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14765 } 14766 } 14767 14768 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14769 final int installFlags = args.installFlags; 14770 final String installerPackageName = args.installerPackageName; 14771 final String volumeUuid = args.volumeUuid; 14772 final File tmpPackageFile = new File(args.getCodePath()); 14773 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14774 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14775 || (args.volumeUuid != null)); 14776 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14777 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14778 boolean replace = false; 14779 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14780 if (args.move != null) { 14781 // moving a complete application; perform an initial scan on the new install location 14782 scanFlags |= SCAN_INITIAL; 14783 } 14784 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14785 scanFlags |= SCAN_DONT_KILL_APP; 14786 } 14787 14788 // Result object to be returned 14789 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14790 14791 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14792 14793 // Sanity check 14794 if (ephemeral && (forwardLocked || onExternal)) { 14795 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14796 + " external=" + onExternal); 14797 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14798 return; 14799 } 14800 14801 // Retrieve PackageSettings and parse package 14802 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14803 | PackageParser.PARSE_ENFORCE_CODE 14804 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14805 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14806 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14807 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14808 PackageParser pp = new PackageParser(); 14809 pp.setSeparateProcesses(mSeparateProcesses); 14810 pp.setDisplayMetrics(mMetrics); 14811 14812 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14813 final PackageParser.Package pkg; 14814 try { 14815 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14816 } catch (PackageParserException e) { 14817 res.setError("Failed parse during installPackageLI", e); 14818 return; 14819 } finally { 14820 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14821 } 14822 14823 // If we are installing a clustered package add results for the children 14824 if (pkg.childPackages != null) { 14825 synchronized (mPackages) { 14826 final int childCount = pkg.childPackages.size(); 14827 for (int i = 0; i < childCount; i++) { 14828 PackageParser.Package childPkg = pkg.childPackages.get(i); 14829 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14830 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14831 childRes.pkg = childPkg; 14832 childRes.name = childPkg.packageName; 14833 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14834 if (childPs != null) { 14835 childRes.origUsers = childPs.queryInstalledUsers( 14836 sUserManager.getUserIds(), true); 14837 } 14838 if ((mPackages.containsKey(childPkg.packageName))) { 14839 childRes.removedInfo = new PackageRemovedInfo(); 14840 childRes.removedInfo.removedPackage = childPkg.packageName; 14841 } 14842 if (res.addedChildPackages == null) { 14843 res.addedChildPackages = new ArrayMap<>(); 14844 } 14845 res.addedChildPackages.put(childPkg.packageName, childRes); 14846 } 14847 } 14848 } 14849 14850 // If package doesn't declare API override, mark that we have an install 14851 // time CPU ABI override. 14852 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14853 pkg.cpuAbiOverride = args.abiOverride; 14854 } 14855 14856 String pkgName = res.name = pkg.packageName; 14857 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14858 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14859 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14860 return; 14861 } 14862 } 14863 14864 try { 14865 // either use what we've been given or parse directly from the APK 14866 if (args.certificates != null) { 14867 try { 14868 PackageParser.populateCertificates(pkg, args.certificates); 14869 } catch (PackageParserException e) { 14870 // there was something wrong with the certificates we were given; 14871 // try to pull them from the APK 14872 PackageParser.collectCertificates(pkg, parseFlags); 14873 } 14874 } else { 14875 PackageParser.collectCertificates(pkg, parseFlags); 14876 } 14877 } catch (PackageParserException e) { 14878 res.setError("Failed collect during installPackageLI", e); 14879 return; 14880 } 14881 14882 // Get rid of all references to package scan path via parser. 14883 pp = null; 14884 String oldCodePath = null; 14885 boolean systemApp = false; 14886 synchronized (mPackages) { 14887 // Check if installing already existing package 14888 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14889 String oldName = mSettings.mRenamedPackages.get(pkgName); 14890 if (pkg.mOriginalPackages != null 14891 && pkg.mOriginalPackages.contains(oldName) 14892 && mPackages.containsKey(oldName)) { 14893 // This package is derived from an original package, 14894 // and this device has been updating from that original 14895 // name. We must continue using the original name, so 14896 // rename the new package here. 14897 pkg.setPackageName(oldName); 14898 pkgName = pkg.packageName; 14899 replace = true; 14900 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14901 + oldName + " pkgName=" + pkgName); 14902 } else if (mPackages.containsKey(pkgName)) { 14903 // This package, under its official name, already exists 14904 // on the device; we should replace it. 14905 replace = true; 14906 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14907 } 14908 14909 // Child packages are installed through the parent package 14910 if (pkg.parentPackage != null) { 14911 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14912 "Package " + pkg.packageName + " is child of package " 14913 + pkg.parentPackage.parentPackage + ". Child packages " 14914 + "can be updated only through the parent package."); 14915 return; 14916 } 14917 14918 if (replace) { 14919 // Prevent apps opting out from runtime permissions 14920 PackageParser.Package oldPackage = mPackages.get(pkgName); 14921 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14922 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14923 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14924 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14925 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14926 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14927 + " doesn't support runtime permissions but the old" 14928 + " target SDK " + oldTargetSdk + " does."); 14929 return; 14930 } 14931 14932 // Prevent installing of child packages 14933 if (oldPackage.parentPackage != null) { 14934 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14935 "Package " + pkg.packageName + " is child of package " 14936 + oldPackage.parentPackage + ". Child packages " 14937 + "can be updated only through the parent package."); 14938 return; 14939 } 14940 } 14941 } 14942 14943 PackageSetting ps = mSettings.mPackages.get(pkgName); 14944 if (ps != null) { 14945 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14946 14947 // Quick sanity check that we're signed correctly if updating; 14948 // we'll check this again later when scanning, but we want to 14949 // bail early here before tripping over redefined permissions. 14950 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14951 if (!checkUpgradeKeySetLP(ps, pkg)) { 14952 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14953 + pkg.packageName + " upgrade keys do not match the " 14954 + "previously installed version"); 14955 return; 14956 } 14957 } else { 14958 try { 14959 verifySignaturesLP(ps, pkg); 14960 } catch (PackageManagerException e) { 14961 res.setError(e.error, e.getMessage()); 14962 return; 14963 } 14964 } 14965 14966 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14967 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14968 systemApp = (ps.pkg.applicationInfo.flags & 14969 ApplicationInfo.FLAG_SYSTEM) != 0; 14970 } 14971 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14972 } 14973 14974 // Check whether the newly-scanned package wants to define an already-defined perm 14975 int N = pkg.permissions.size(); 14976 for (int i = N-1; i >= 0; i--) { 14977 PackageParser.Permission perm = pkg.permissions.get(i); 14978 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14979 if (bp != null) { 14980 // If the defining package is signed with our cert, it's okay. This 14981 // also includes the "updating the same package" case, of course. 14982 // "updating same package" could also involve key-rotation. 14983 final boolean sigsOk; 14984 if (bp.sourcePackage.equals(pkg.packageName) 14985 && (bp.packageSetting instanceof PackageSetting) 14986 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14987 scanFlags))) { 14988 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14989 } else { 14990 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14991 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14992 } 14993 if (!sigsOk) { 14994 // If the owning package is the system itself, we log but allow 14995 // install to proceed; we fail the install on all other permission 14996 // redefinitions. 14997 if (!bp.sourcePackage.equals("android")) { 14998 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14999 + pkg.packageName + " attempting to redeclare permission " 15000 + perm.info.name + " already owned by " + bp.sourcePackage); 15001 res.origPermission = perm.info.name; 15002 res.origPackage = bp.sourcePackage; 15003 return; 15004 } else { 15005 Slog.w(TAG, "Package " + pkg.packageName 15006 + " attempting to redeclare system permission " 15007 + perm.info.name + "; ignoring new declaration"); 15008 pkg.permissions.remove(i); 15009 } 15010 } 15011 } 15012 } 15013 } 15014 15015 if (systemApp) { 15016 if (onExternal) { 15017 // Abort update; system app can't be replaced with app on sdcard 15018 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15019 "Cannot install updates to system apps on sdcard"); 15020 return; 15021 } else if (ephemeral) { 15022 // Abort update; system app can't be replaced with an ephemeral app 15023 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15024 "Cannot update a system app with an ephemeral app"); 15025 return; 15026 } 15027 } 15028 15029 if (args.move != null) { 15030 // We did an in-place move, so dex is ready to roll 15031 scanFlags |= SCAN_NO_DEX; 15032 scanFlags |= SCAN_MOVE; 15033 15034 synchronized (mPackages) { 15035 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15036 if (ps == null) { 15037 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15038 "Missing settings for moved package " + pkgName); 15039 } 15040 15041 // We moved the entire application as-is, so bring over the 15042 // previously derived ABI information. 15043 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15044 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15045 } 15046 15047 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15048 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15049 scanFlags |= SCAN_NO_DEX; 15050 15051 try { 15052 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15053 args.abiOverride : pkg.cpuAbiOverride); 15054 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15055 true /* extract libs */); 15056 } catch (PackageManagerException pme) { 15057 Slog.e(TAG, "Error deriving application ABI", pme); 15058 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15059 return; 15060 } 15061 15062 // Shared libraries for the package need to be updated. 15063 synchronized (mPackages) { 15064 try { 15065 updateSharedLibrariesLPw(pkg, null); 15066 } catch (PackageManagerException e) { 15067 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15068 } 15069 } 15070 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15071 // Do not run PackageDexOptimizer through the local performDexOpt 15072 // method because `pkg` may not be in `mPackages` yet. 15073 // 15074 // Also, don't fail application installs if the dexopt step fails. 15075 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15076 null /* instructionSets */, false /* checkProfiles */, 15077 getCompilerFilterForReason(REASON_INSTALL), 15078 getOrCreateCompilerPackageStats(pkg)); 15079 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15080 15081 // Notify BackgroundDexOptService that the package has been changed. 15082 // If this is an update of a package which used to fail to compile, 15083 // BDOS will remove it from its blacklist. 15084 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15085 } 15086 15087 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15088 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15089 return; 15090 } 15091 15092 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15093 15094 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15095 "installPackageLI")) { 15096 if (replace) { 15097 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15098 installerPackageName, res); 15099 } else { 15100 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15101 args.user, installerPackageName, volumeUuid, res); 15102 } 15103 } 15104 synchronized (mPackages) { 15105 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15106 if (ps != null) { 15107 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15108 } 15109 15110 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15111 for (int i = 0; i < childCount; i++) { 15112 PackageParser.Package childPkg = pkg.childPackages.get(i); 15113 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15114 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15115 if (childPs != null) { 15116 childRes.newUsers = childPs.queryInstalledUsers( 15117 sUserManager.getUserIds(), true); 15118 } 15119 } 15120 } 15121 } 15122 15123 private void startIntentFilterVerifications(int userId, boolean replacing, 15124 PackageParser.Package pkg) { 15125 if (mIntentFilterVerifierComponent == null) { 15126 Slog.w(TAG, "No IntentFilter verification will not be done as " 15127 + "there is no IntentFilterVerifier available!"); 15128 return; 15129 } 15130 15131 final int verifierUid = getPackageUid( 15132 mIntentFilterVerifierComponent.getPackageName(), 15133 MATCH_DEBUG_TRIAGED_MISSING, 15134 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15135 15136 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15137 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15138 mHandler.sendMessage(msg); 15139 15140 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15141 for (int i = 0; i < childCount; i++) { 15142 PackageParser.Package childPkg = pkg.childPackages.get(i); 15143 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15144 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15145 mHandler.sendMessage(msg); 15146 } 15147 } 15148 15149 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15150 PackageParser.Package pkg) { 15151 int size = pkg.activities.size(); 15152 if (size == 0) { 15153 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15154 "No activity, so no need to verify any IntentFilter!"); 15155 return; 15156 } 15157 15158 final boolean hasDomainURLs = hasDomainURLs(pkg); 15159 if (!hasDomainURLs) { 15160 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15161 "No domain URLs, so no need to verify any IntentFilter!"); 15162 return; 15163 } 15164 15165 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15166 + " if any IntentFilter from the " + size 15167 + " Activities needs verification ..."); 15168 15169 int count = 0; 15170 final String packageName = pkg.packageName; 15171 15172 synchronized (mPackages) { 15173 // If this is a new install and we see that we've already run verification for this 15174 // package, we have nothing to do: it means the state was restored from backup. 15175 if (!replacing) { 15176 IntentFilterVerificationInfo ivi = 15177 mSettings.getIntentFilterVerificationLPr(packageName); 15178 if (ivi != null) { 15179 if (DEBUG_DOMAIN_VERIFICATION) { 15180 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15181 + ivi.getStatusString()); 15182 } 15183 return; 15184 } 15185 } 15186 15187 // If any filters need to be verified, then all need to be. 15188 boolean needToVerify = false; 15189 for (PackageParser.Activity a : pkg.activities) { 15190 for (ActivityIntentInfo filter : a.intents) { 15191 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15192 if (DEBUG_DOMAIN_VERIFICATION) { 15193 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15194 } 15195 needToVerify = true; 15196 break; 15197 } 15198 } 15199 } 15200 15201 if (needToVerify) { 15202 final int verificationId = mIntentFilterVerificationToken++; 15203 for (PackageParser.Activity a : pkg.activities) { 15204 for (ActivityIntentInfo filter : a.intents) { 15205 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15206 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15207 "Verification needed for IntentFilter:" + filter.toString()); 15208 mIntentFilterVerifier.addOneIntentFilterVerification( 15209 verifierUid, userId, verificationId, filter, packageName); 15210 count++; 15211 } 15212 } 15213 } 15214 } 15215 } 15216 15217 if (count > 0) { 15218 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15219 + " IntentFilter verification" + (count > 1 ? "s" : "") 15220 + " for userId:" + userId); 15221 mIntentFilterVerifier.startVerifications(userId); 15222 } else { 15223 if (DEBUG_DOMAIN_VERIFICATION) { 15224 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15225 } 15226 } 15227 } 15228 15229 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15230 final ComponentName cn = filter.activity.getComponentName(); 15231 final String packageName = cn.getPackageName(); 15232 15233 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15234 packageName); 15235 if (ivi == null) { 15236 return true; 15237 } 15238 int status = ivi.getStatus(); 15239 switch (status) { 15240 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15241 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15242 return true; 15243 15244 default: 15245 // Nothing to do 15246 return false; 15247 } 15248 } 15249 15250 private static boolean isMultiArch(ApplicationInfo info) { 15251 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15252 } 15253 15254 private static boolean isExternal(PackageParser.Package pkg) { 15255 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15256 } 15257 15258 private static boolean isExternal(PackageSetting ps) { 15259 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15260 } 15261 15262 private static boolean isEphemeral(PackageParser.Package pkg) { 15263 return pkg.applicationInfo.isEphemeralApp(); 15264 } 15265 15266 private static boolean isEphemeral(PackageSetting ps) { 15267 return ps.pkg != null && isEphemeral(ps.pkg); 15268 } 15269 15270 private static boolean isSystemApp(PackageParser.Package pkg) { 15271 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15272 } 15273 15274 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15275 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15276 } 15277 15278 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15279 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15280 } 15281 15282 private static boolean isSystemApp(PackageSetting ps) { 15283 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15284 } 15285 15286 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15287 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15288 } 15289 15290 private int packageFlagsToInstallFlags(PackageSetting ps) { 15291 int installFlags = 0; 15292 if (isEphemeral(ps)) { 15293 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15294 } 15295 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15296 // This existing package was an external ASEC install when we have 15297 // the external flag without a UUID 15298 installFlags |= PackageManager.INSTALL_EXTERNAL; 15299 } 15300 if (ps.isForwardLocked()) { 15301 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15302 } 15303 return installFlags; 15304 } 15305 15306 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15307 if (isExternal(pkg)) { 15308 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15309 return StorageManager.UUID_PRIMARY_PHYSICAL; 15310 } else { 15311 return pkg.volumeUuid; 15312 } 15313 } else { 15314 return StorageManager.UUID_PRIVATE_INTERNAL; 15315 } 15316 } 15317 15318 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15319 if (isExternal(pkg)) { 15320 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15321 return mSettings.getExternalVersion(); 15322 } else { 15323 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15324 } 15325 } else { 15326 return mSettings.getInternalVersion(); 15327 } 15328 } 15329 15330 private void deleteTempPackageFiles() { 15331 final FilenameFilter filter = new FilenameFilter() { 15332 public boolean accept(File dir, String name) { 15333 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15334 } 15335 }; 15336 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15337 file.delete(); 15338 } 15339 } 15340 15341 @Override 15342 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15343 int flags) { 15344 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15345 flags); 15346 } 15347 15348 @Override 15349 public void deletePackage(final String packageName, 15350 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15351 mContext.enforceCallingOrSelfPermission( 15352 android.Manifest.permission.DELETE_PACKAGES, null); 15353 Preconditions.checkNotNull(packageName); 15354 Preconditions.checkNotNull(observer); 15355 final int uid = Binder.getCallingUid(); 15356 if (!isOrphaned(packageName) 15357 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 15358 try { 15359 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 15360 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 15361 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 15362 observer.onUserActionRequired(intent); 15363 } catch (RemoteException re) { 15364 } 15365 return; 15366 } 15367 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15368 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15369 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15370 mContext.enforceCallingOrSelfPermission( 15371 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15372 "deletePackage for user " + userId); 15373 } 15374 15375 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15376 try { 15377 observer.onPackageDeleted(packageName, 15378 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15379 } catch (RemoteException re) { 15380 } 15381 return; 15382 } 15383 15384 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15385 try { 15386 observer.onPackageDeleted(packageName, 15387 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15388 } catch (RemoteException re) { 15389 } 15390 return; 15391 } 15392 15393 if (DEBUG_REMOVE) { 15394 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15395 + " deleteAllUsers: " + deleteAllUsers ); 15396 } 15397 // Queue up an async operation since the package deletion may take a little while. 15398 mHandler.post(new Runnable() { 15399 public void run() { 15400 mHandler.removeCallbacks(this); 15401 int returnCode; 15402 if (!deleteAllUsers) { 15403 returnCode = deletePackageX(packageName, userId, deleteFlags); 15404 } else { 15405 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15406 // If nobody is blocking uninstall, proceed with delete for all users 15407 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15408 returnCode = deletePackageX(packageName, userId, deleteFlags); 15409 } else { 15410 // Otherwise uninstall individually for users with blockUninstalls=false 15411 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15412 for (int userId : users) { 15413 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15414 returnCode = deletePackageX(packageName, userId, userFlags); 15415 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15416 Slog.w(TAG, "Package delete failed for user " + userId 15417 + ", returnCode " + returnCode); 15418 } 15419 } 15420 } 15421 // The app has only been marked uninstalled for certain users. 15422 // We still need to report that delete was blocked 15423 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15424 } 15425 } 15426 try { 15427 observer.onPackageDeleted(packageName, returnCode, null); 15428 } catch (RemoteException e) { 15429 Log.i(TAG, "Observer no longer exists."); 15430 } //end catch 15431 } //end run 15432 }); 15433 } 15434 15435 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 15436 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 15437 || callingUid == Process.SYSTEM_UID) { 15438 return true; 15439 } 15440 final int callingUserId = UserHandle.getUserId(callingUid); 15441 // If the caller installed the pkgName, then allow it to silently uninstall. 15442 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 15443 return true; 15444 } 15445 15446 // Allow package verifier to silently uninstall. 15447 if (mRequiredVerifierPackage != null && 15448 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 15449 return true; 15450 } 15451 15452 // Allow package uninstaller to silently uninstall. 15453 if (mRequiredUninstallerPackage != null && 15454 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 15455 return true; 15456 } 15457 return false; 15458 } 15459 15460 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15461 int[] result = EMPTY_INT_ARRAY; 15462 for (int userId : userIds) { 15463 if (getBlockUninstallForUser(packageName, userId)) { 15464 result = ArrayUtils.appendInt(result, userId); 15465 } 15466 } 15467 return result; 15468 } 15469 15470 @Override 15471 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15472 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15473 } 15474 15475 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15476 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15477 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15478 try { 15479 if (dpm != null) { 15480 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15481 /* callingUserOnly =*/ false); 15482 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15483 : deviceOwnerComponentName.getPackageName(); 15484 // Does the package contains the device owner? 15485 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15486 // this check is probably not needed, since DO should be registered as a device 15487 // admin on some user too. (Original bug for this: b/17657954) 15488 if (packageName.equals(deviceOwnerPackageName)) { 15489 return true; 15490 } 15491 // Does it contain a device admin for any user? 15492 int[] users; 15493 if (userId == UserHandle.USER_ALL) { 15494 users = sUserManager.getUserIds(); 15495 } else { 15496 users = new int[]{userId}; 15497 } 15498 for (int i = 0; i < users.length; ++i) { 15499 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15500 return true; 15501 } 15502 } 15503 } 15504 } catch (RemoteException e) { 15505 } 15506 return false; 15507 } 15508 15509 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15510 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15511 } 15512 15513 /** 15514 * This method is an internal method that could be get invoked either 15515 * to delete an installed package or to clean up a failed installation. 15516 * After deleting an installed package, a broadcast is sent to notify any 15517 * listeners that the package has been removed. For cleaning up a failed 15518 * installation, the broadcast is not necessary since the package's 15519 * installation wouldn't have sent the initial broadcast either 15520 * The key steps in deleting a package are 15521 * deleting the package information in internal structures like mPackages, 15522 * deleting the packages base directories through installd 15523 * updating mSettings to reflect current status 15524 * persisting settings for later use 15525 * sending a broadcast if necessary 15526 */ 15527 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15528 final PackageRemovedInfo info = new PackageRemovedInfo(); 15529 final boolean res; 15530 15531 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15532 ? UserHandle.USER_ALL : userId; 15533 15534 if (isPackageDeviceAdmin(packageName, removeUser)) { 15535 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15536 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15537 } 15538 15539 PackageSetting uninstalledPs = null; 15540 15541 // for the uninstall-updates case and restricted profiles, remember the per- 15542 // user handle installed state 15543 int[] allUsers; 15544 synchronized (mPackages) { 15545 uninstalledPs = mSettings.mPackages.get(packageName); 15546 if (uninstalledPs == null) { 15547 Slog.w(TAG, "Not removing non-existent package " + packageName); 15548 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15549 } 15550 allUsers = sUserManager.getUserIds(); 15551 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15552 } 15553 15554 final int freezeUser; 15555 if (isUpdatedSystemApp(uninstalledPs) 15556 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15557 // We're downgrading a system app, which will apply to all users, so 15558 // freeze them all during the downgrade 15559 freezeUser = UserHandle.USER_ALL; 15560 } else { 15561 freezeUser = removeUser; 15562 } 15563 15564 synchronized (mInstallLock) { 15565 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15566 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15567 deleteFlags, "deletePackageX")) { 15568 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15569 deleteFlags | REMOVE_CHATTY, info, true, null); 15570 } 15571 synchronized (mPackages) { 15572 if (res) { 15573 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15574 } 15575 } 15576 } 15577 15578 if (res) { 15579 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15580 info.sendPackageRemovedBroadcasts(killApp); 15581 info.sendSystemPackageUpdatedBroadcasts(); 15582 info.sendSystemPackageAppearedBroadcasts(); 15583 } 15584 // Force a gc here. 15585 Runtime.getRuntime().gc(); 15586 // Delete the resources here after sending the broadcast to let 15587 // other processes clean up before deleting resources. 15588 if (info.args != null) { 15589 synchronized (mInstallLock) { 15590 info.args.doPostDeleteLI(true); 15591 } 15592 } 15593 15594 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15595 } 15596 15597 class PackageRemovedInfo { 15598 String removedPackage; 15599 int uid = -1; 15600 int removedAppId = -1; 15601 int[] origUsers; 15602 int[] removedUsers = null; 15603 boolean isRemovedPackageSystemUpdate = false; 15604 boolean isUpdate; 15605 boolean dataRemoved; 15606 boolean removedForAllUsers; 15607 // Clean up resources deleted packages. 15608 InstallArgs args = null; 15609 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15610 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15611 15612 void sendPackageRemovedBroadcasts(boolean killApp) { 15613 sendPackageRemovedBroadcastInternal(killApp); 15614 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15615 for (int i = 0; i < childCount; i++) { 15616 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15617 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15618 } 15619 } 15620 15621 void sendSystemPackageUpdatedBroadcasts() { 15622 if (isRemovedPackageSystemUpdate) { 15623 sendSystemPackageUpdatedBroadcastsInternal(); 15624 final int childCount = (removedChildPackages != null) 15625 ? removedChildPackages.size() : 0; 15626 for (int i = 0; i < childCount; i++) { 15627 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15628 if (childInfo.isRemovedPackageSystemUpdate) { 15629 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15630 } 15631 } 15632 } 15633 } 15634 15635 void sendSystemPackageAppearedBroadcasts() { 15636 final int packageCount = (appearedChildPackages != null) 15637 ? appearedChildPackages.size() : 0; 15638 for (int i = 0; i < packageCount; i++) { 15639 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15640 for (int userId : installedInfo.newUsers) { 15641 sendPackageAddedForUser(installedInfo.name, true, 15642 UserHandle.getAppId(installedInfo.uid), userId); 15643 } 15644 } 15645 } 15646 15647 private void sendSystemPackageUpdatedBroadcastsInternal() { 15648 Bundle extras = new Bundle(2); 15649 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15650 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15651 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15652 extras, 0, null, null, null); 15653 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15654 extras, 0, null, null, null); 15655 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15656 null, 0, removedPackage, null, null); 15657 } 15658 15659 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15660 Bundle extras = new Bundle(2); 15661 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15662 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15663 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15664 if (isUpdate || isRemovedPackageSystemUpdate) { 15665 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15666 } 15667 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15668 if (removedPackage != null) { 15669 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15670 extras, 0, null, null, removedUsers); 15671 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15672 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15673 removedPackage, extras, 0, null, null, removedUsers); 15674 } 15675 } 15676 if (removedAppId >= 0) { 15677 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15678 removedUsers); 15679 } 15680 } 15681 } 15682 15683 /* 15684 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15685 * flag is not set, the data directory is removed as well. 15686 * make sure this flag is set for partially installed apps. If not its meaningless to 15687 * delete a partially installed application. 15688 */ 15689 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15690 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15691 String packageName = ps.name; 15692 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15693 // Retrieve object to delete permissions for shared user later on 15694 final PackageParser.Package deletedPkg; 15695 final PackageSetting deletedPs; 15696 // reader 15697 synchronized (mPackages) { 15698 deletedPkg = mPackages.get(packageName); 15699 deletedPs = mSettings.mPackages.get(packageName); 15700 if (outInfo != null) { 15701 outInfo.removedPackage = packageName; 15702 outInfo.removedUsers = deletedPs != null 15703 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15704 : null; 15705 } 15706 } 15707 15708 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15709 15710 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15711 final PackageParser.Package resolvedPkg; 15712 if (deletedPkg != null) { 15713 resolvedPkg = deletedPkg; 15714 } else { 15715 // We don't have a parsed package when it lives on an ejected 15716 // adopted storage device, so fake something together 15717 resolvedPkg = new PackageParser.Package(ps.name); 15718 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15719 } 15720 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15721 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15722 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15723 if (outInfo != null) { 15724 outInfo.dataRemoved = true; 15725 } 15726 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15727 } 15728 15729 // writer 15730 synchronized (mPackages) { 15731 if (deletedPs != null) { 15732 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15733 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15734 clearDefaultBrowserIfNeeded(packageName); 15735 if (outInfo != null) { 15736 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15737 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15738 } 15739 updatePermissionsLPw(deletedPs.name, null, 0); 15740 if (deletedPs.sharedUser != null) { 15741 // Remove permissions associated with package. Since runtime 15742 // permissions are per user we have to kill the removed package 15743 // or packages running under the shared user of the removed 15744 // package if revoking the permissions requested only by the removed 15745 // package is successful and this causes a change in gids. 15746 for (int userId : UserManagerService.getInstance().getUserIds()) { 15747 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15748 userId); 15749 if (userIdToKill == UserHandle.USER_ALL 15750 || userIdToKill >= UserHandle.USER_SYSTEM) { 15751 // If gids changed for this user, kill all affected packages. 15752 mHandler.post(new Runnable() { 15753 @Override 15754 public void run() { 15755 // This has to happen with no lock held. 15756 killApplication(deletedPs.name, deletedPs.appId, 15757 KILL_APP_REASON_GIDS_CHANGED); 15758 } 15759 }); 15760 break; 15761 } 15762 } 15763 } 15764 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15765 } 15766 // make sure to preserve per-user disabled state if this removal was just 15767 // a downgrade of a system app to the factory package 15768 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15769 if (DEBUG_REMOVE) { 15770 Slog.d(TAG, "Propagating install state across downgrade"); 15771 } 15772 for (int userId : allUserHandles) { 15773 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15774 if (DEBUG_REMOVE) { 15775 Slog.d(TAG, " user " + userId + " => " + installed); 15776 } 15777 ps.setInstalled(installed, userId); 15778 } 15779 } 15780 } 15781 // can downgrade to reader 15782 if (writeSettings) { 15783 // Save settings now 15784 mSettings.writeLPr(); 15785 } 15786 } 15787 if (outInfo != null) { 15788 // A user ID was deleted here. Go through all users and remove it 15789 // from KeyStore. 15790 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15791 } 15792 } 15793 15794 static boolean locationIsPrivileged(File path) { 15795 try { 15796 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15797 .getCanonicalPath(); 15798 return path.getCanonicalPath().startsWith(privilegedAppDir); 15799 } catch (IOException e) { 15800 Slog.e(TAG, "Unable to access code path " + path); 15801 } 15802 return false; 15803 } 15804 15805 /* 15806 * Tries to delete system package. 15807 */ 15808 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15809 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15810 boolean writeSettings) { 15811 if (deletedPs.parentPackageName != null) { 15812 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15813 return false; 15814 } 15815 15816 final boolean applyUserRestrictions 15817 = (allUserHandles != null) && (outInfo.origUsers != null); 15818 final PackageSetting disabledPs; 15819 // Confirm if the system package has been updated 15820 // An updated system app can be deleted. This will also have to restore 15821 // the system pkg from system partition 15822 // reader 15823 synchronized (mPackages) { 15824 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15825 } 15826 15827 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15828 + " disabledPs=" + disabledPs); 15829 15830 if (disabledPs == null) { 15831 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15832 return false; 15833 } else if (DEBUG_REMOVE) { 15834 Slog.d(TAG, "Deleting system pkg from data partition"); 15835 } 15836 15837 if (DEBUG_REMOVE) { 15838 if (applyUserRestrictions) { 15839 Slog.d(TAG, "Remembering install states:"); 15840 for (int userId : allUserHandles) { 15841 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15842 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15843 } 15844 } 15845 } 15846 15847 // Delete the updated package 15848 outInfo.isRemovedPackageSystemUpdate = true; 15849 if (outInfo.removedChildPackages != null) { 15850 final int childCount = (deletedPs.childPackageNames != null) 15851 ? deletedPs.childPackageNames.size() : 0; 15852 for (int i = 0; i < childCount; i++) { 15853 String childPackageName = deletedPs.childPackageNames.get(i); 15854 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15855 .contains(childPackageName)) { 15856 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15857 childPackageName); 15858 if (childInfo != null) { 15859 childInfo.isRemovedPackageSystemUpdate = true; 15860 } 15861 } 15862 } 15863 } 15864 15865 if (disabledPs.versionCode < deletedPs.versionCode) { 15866 // Delete data for downgrades 15867 flags &= ~PackageManager.DELETE_KEEP_DATA; 15868 } else { 15869 // Preserve data by setting flag 15870 flags |= PackageManager.DELETE_KEEP_DATA; 15871 } 15872 15873 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15874 outInfo, writeSettings, disabledPs.pkg); 15875 if (!ret) { 15876 return false; 15877 } 15878 15879 // writer 15880 synchronized (mPackages) { 15881 // Reinstate the old system package 15882 enableSystemPackageLPw(disabledPs.pkg); 15883 // Remove any native libraries from the upgraded package. 15884 removeNativeBinariesLI(deletedPs); 15885 } 15886 15887 // Install the system package 15888 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15889 int parseFlags = mDefParseFlags 15890 | PackageParser.PARSE_MUST_BE_APK 15891 | PackageParser.PARSE_IS_SYSTEM 15892 | PackageParser.PARSE_IS_SYSTEM_DIR; 15893 if (locationIsPrivileged(disabledPs.codePath)) { 15894 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15895 } 15896 15897 final PackageParser.Package newPkg; 15898 try { 15899 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15900 } catch (PackageManagerException e) { 15901 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15902 + e.getMessage()); 15903 return false; 15904 } 15905 try { 15906 // update shared libraries for the newly re-installed system package 15907 updateSharedLibrariesLPw(newPkg, null); 15908 } catch (PackageManagerException e) { 15909 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 15910 } 15911 15912 prepareAppDataAfterInstallLIF(newPkg); 15913 15914 // writer 15915 synchronized (mPackages) { 15916 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15917 15918 // Propagate the permissions state as we do not want to drop on the floor 15919 // runtime permissions. The update permissions method below will take 15920 // care of removing obsolete permissions and grant install permissions. 15921 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15922 updatePermissionsLPw(newPkg.packageName, newPkg, 15923 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15924 15925 if (applyUserRestrictions) { 15926 if (DEBUG_REMOVE) { 15927 Slog.d(TAG, "Propagating install state across reinstall"); 15928 } 15929 for (int userId : allUserHandles) { 15930 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15931 if (DEBUG_REMOVE) { 15932 Slog.d(TAG, " user " + userId + " => " + installed); 15933 } 15934 ps.setInstalled(installed, userId); 15935 15936 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15937 } 15938 // Regardless of writeSettings we need to ensure that this restriction 15939 // state propagation is persisted 15940 mSettings.writeAllUsersPackageRestrictionsLPr(); 15941 } 15942 // can downgrade to reader here 15943 if (writeSettings) { 15944 mSettings.writeLPr(); 15945 } 15946 } 15947 return true; 15948 } 15949 15950 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15951 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15952 PackageRemovedInfo outInfo, boolean writeSettings, 15953 PackageParser.Package replacingPackage) { 15954 synchronized (mPackages) { 15955 if (outInfo != null) { 15956 outInfo.uid = ps.appId; 15957 } 15958 15959 if (outInfo != null && outInfo.removedChildPackages != null) { 15960 final int childCount = (ps.childPackageNames != null) 15961 ? ps.childPackageNames.size() : 0; 15962 for (int i = 0; i < childCount; i++) { 15963 String childPackageName = ps.childPackageNames.get(i); 15964 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15965 if (childPs == null) { 15966 return false; 15967 } 15968 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15969 childPackageName); 15970 if (childInfo != null) { 15971 childInfo.uid = childPs.appId; 15972 } 15973 } 15974 } 15975 } 15976 15977 // Delete package data from internal structures and also remove data if flag is set 15978 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15979 15980 // Delete the child packages data 15981 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15982 for (int i = 0; i < childCount; i++) { 15983 PackageSetting childPs; 15984 synchronized (mPackages) { 15985 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15986 } 15987 if (childPs != null) { 15988 PackageRemovedInfo childOutInfo = (outInfo != null 15989 && outInfo.removedChildPackages != null) 15990 ? outInfo.removedChildPackages.get(childPs.name) : null; 15991 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15992 && (replacingPackage != null 15993 && !replacingPackage.hasChildPackage(childPs.name)) 15994 ? flags & ~DELETE_KEEP_DATA : flags; 15995 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15996 deleteFlags, writeSettings); 15997 } 15998 } 15999 16000 // Delete application code and resources only for parent packages 16001 if (ps.parentPackageName == null) { 16002 if (deleteCodeAndResources && (outInfo != null)) { 16003 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16004 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16005 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16006 } 16007 } 16008 16009 return true; 16010 } 16011 16012 @Override 16013 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16014 int userId) { 16015 mContext.enforceCallingOrSelfPermission( 16016 android.Manifest.permission.DELETE_PACKAGES, null); 16017 synchronized (mPackages) { 16018 PackageSetting ps = mSettings.mPackages.get(packageName); 16019 if (ps == null) { 16020 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16021 return false; 16022 } 16023 if (!ps.getInstalled(userId)) { 16024 // Can't block uninstall for an app that is not installed or enabled. 16025 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16026 return false; 16027 } 16028 ps.setBlockUninstall(blockUninstall, userId); 16029 mSettings.writePackageRestrictionsLPr(userId); 16030 } 16031 return true; 16032 } 16033 16034 @Override 16035 public boolean getBlockUninstallForUser(String packageName, int userId) { 16036 synchronized (mPackages) { 16037 PackageSetting ps = mSettings.mPackages.get(packageName); 16038 if (ps == null) { 16039 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16040 return false; 16041 } 16042 return ps.getBlockUninstall(userId); 16043 } 16044 } 16045 16046 @Override 16047 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16048 int callingUid = Binder.getCallingUid(); 16049 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16050 throw new SecurityException( 16051 "setRequiredForSystemUser can only be run by the system or root"); 16052 } 16053 synchronized (mPackages) { 16054 PackageSetting ps = mSettings.mPackages.get(packageName); 16055 if (ps == null) { 16056 Log.w(TAG, "Package doesn't exist: " + packageName); 16057 return false; 16058 } 16059 if (systemUserApp) { 16060 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16061 } else { 16062 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16063 } 16064 mSettings.writeLPr(); 16065 } 16066 return true; 16067 } 16068 16069 /* 16070 * This method handles package deletion in general 16071 */ 16072 private boolean deletePackageLIF(String packageName, UserHandle user, 16073 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16074 PackageRemovedInfo outInfo, boolean writeSettings, 16075 PackageParser.Package replacingPackage) { 16076 if (packageName == null) { 16077 Slog.w(TAG, "Attempt to delete null packageName."); 16078 return false; 16079 } 16080 16081 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16082 16083 PackageSetting ps; 16084 16085 synchronized (mPackages) { 16086 ps = mSettings.mPackages.get(packageName); 16087 if (ps == null) { 16088 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16089 return false; 16090 } 16091 16092 if (ps.parentPackageName != null && (!isSystemApp(ps) 16093 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16094 if (DEBUG_REMOVE) { 16095 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16096 + ((user == null) ? UserHandle.USER_ALL : user)); 16097 } 16098 final int removedUserId = (user != null) ? user.getIdentifier() 16099 : UserHandle.USER_ALL; 16100 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16101 return false; 16102 } 16103 markPackageUninstalledForUserLPw(ps, user); 16104 scheduleWritePackageRestrictionsLocked(user); 16105 return true; 16106 } 16107 } 16108 16109 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16110 && user.getIdentifier() != UserHandle.USER_ALL)) { 16111 // The caller is asking that the package only be deleted for a single 16112 // user. To do this, we just mark its uninstalled state and delete 16113 // its data. If this is a system app, we only allow this to happen if 16114 // they have set the special DELETE_SYSTEM_APP which requests different 16115 // semantics than normal for uninstalling system apps. 16116 markPackageUninstalledForUserLPw(ps, user); 16117 16118 if (!isSystemApp(ps)) { 16119 // Do not uninstall the APK if an app should be cached 16120 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16121 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16122 // Other user still have this package installed, so all 16123 // we need to do is clear this user's data and save that 16124 // it is uninstalled. 16125 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16126 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16127 return false; 16128 } 16129 scheduleWritePackageRestrictionsLocked(user); 16130 return true; 16131 } else { 16132 // We need to set it back to 'installed' so the uninstall 16133 // broadcasts will be sent correctly. 16134 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16135 ps.setInstalled(true, user.getIdentifier()); 16136 } 16137 } else { 16138 // This is a system app, so we assume that the 16139 // other users still have this package installed, so all 16140 // we need to do is clear this user's data and save that 16141 // it is uninstalled. 16142 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16143 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16144 return false; 16145 } 16146 scheduleWritePackageRestrictionsLocked(user); 16147 return true; 16148 } 16149 } 16150 16151 // If we are deleting a composite package for all users, keep track 16152 // of result for each child. 16153 if (ps.childPackageNames != null && outInfo != null) { 16154 synchronized (mPackages) { 16155 final int childCount = ps.childPackageNames.size(); 16156 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16157 for (int i = 0; i < childCount; i++) { 16158 String childPackageName = ps.childPackageNames.get(i); 16159 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16160 childInfo.removedPackage = childPackageName; 16161 outInfo.removedChildPackages.put(childPackageName, childInfo); 16162 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16163 if (childPs != null) { 16164 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16165 } 16166 } 16167 } 16168 } 16169 16170 boolean ret = false; 16171 if (isSystemApp(ps)) { 16172 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16173 // When an updated system application is deleted we delete the existing resources 16174 // as well and fall back to existing code in system partition 16175 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16176 } else { 16177 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16178 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16179 outInfo, writeSettings, replacingPackage); 16180 } 16181 16182 // Take a note whether we deleted the package for all users 16183 if (outInfo != null) { 16184 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16185 if (outInfo.removedChildPackages != null) { 16186 synchronized (mPackages) { 16187 final int childCount = outInfo.removedChildPackages.size(); 16188 for (int i = 0; i < childCount; i++) { 16189 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16190 if (childInfo != null) { 16191 childInfo.removedForAllUsers = mPackages.get( 16192 childInfo.removedPackage) == null; 16193 } 16194 } 16195 } 16196 } 16197 // If we uninstalled an update to a system app there may be some 16198 // child packages that appeared as they are declared in the system 16199 // app but were not declared in the update. 16200 if (isSystemApp(ps)) { 16201 synchronized (mPackages) { 16202 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16203 final int childCount = (updatedPs.childPackageNames != null) 16204 ? updatedPs.childPackageNames.size() : 0; 16205 for (int i = 0; i < childCount; i++) { 16206 String childPackageName = updatedPs.childPackageNames.get(i); 16207 if (outInfo.removedChildPackages == null 16208 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16209 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16210 if (childPs == null) { 16211 continue; 16212 } 16213 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16214 installRes.name = childPackageName; 16215 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16216 installRes.pkg = mPackages.get(childPackageName); 16217 installRes.uid = childPs.pkg.applicationInfo.uid; 16218 if (outInfo.appearedChildPackages == null) { 16219 outInfo.appearedChildPackages = new ArrayMap<>(); 16220 } 16221 outInfo.appearedChildPackages.put(childPackageName, installRes); 16222 } 16223 } 16224 } 16225 } 16226 } 16227 16228 return ret; 16229 } 16230 16231 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16232 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16233 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16234 for (int nextUserId : userIds) { 16235 if (DEBUG_REMOVE) { 16236 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16237 } 16238 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16239 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16240 false /*hidden*/, false /*suspended*/, null, null, null, 16241 false /*blockUninstall*/, 16242 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16243 } 16244 } 16245 16246 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16247 PackageRemovedInfo outInfo) { 16248 final PackageParser.Package pkg; 16249 synchronized (mPackages) { 16250 pkg = mPackages.get(ps.name); 16251 } 16252 16253 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16254 : new int[] {userId}; 16255 for (int nextUserId : userIds) { 16256 if (DEBUG_REMOVE) { 16257 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16258 + nextUserId); 16259 } 16260 16261 destroyAppDataLIF(pkg, userId, 16262 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16263 destroyAppProfilesLIF(pkg, userId); 16264 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16265 schedulePackageCleaning(ps.name, nextUserId, false); 16266 synchronized (mPackages) { 16267 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16268 scheduleWritePackageRestrictionsLocked(nextUserId); 16269 } 16270 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16271 } 16272 } 16273 16274 if (outInfo != null) { 16275 outInfo.removedPackage = ps.name; 16276 outInfo.removedAppId = ps.appId; 16277 outInfo.removedUsers = userIds; 16278 } 16279 16280 return true; 16281 } 16282 16283 private final class ClearStorageConnection implements ServiceConnection { 16284 IMediaContainerService mContainerService; 16285 16286 @Override 16287 public void onServiceConnected(ComponentName name, IBinder service) { 16288 synchronized (this) { 16289 mContainerService = IMediaContainerService.Stub.asInterface(service); 16290 notifyAll(); 16291 } 16292 } 16293 16294 @Override 16295 public void onServiceDisconnected(ComponentName name) { 16296 } 16297 } 16298 16299 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16300 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16301 16302 final boolean mounted; 16303 if (Environment.isExternalStorageEmulated()) { 16304 mounted = true; 16305 } else { 16306 final String status = Environment.getExternalStorageState(); 16307 16308 mounted = status.equals(Environment.MEDIA_MOUNTED) 16309 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16310 } 16311 16312 if (!mounted) { 16313 return; 16314 } 16315 16316 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16317 int[] users; 16318 if (userId == UserHandle.USER_ALL) { 16319 users = sUserManager.getUserIds(); 16320 } else { 16321 users = new int[] { userId }; 16322 } 16323 final ClearStorageConnection conn = new ClearStorageConnection(); 16324 if (mContext.bindServiceAsUser( 16325 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16326 try { 16327 for (int curUser : users) { 16328 long timeout = SystemClock.uptimeMillis() + 5000; 16329 synchronized (conn) { 16330 long now; 16331 while (conn.mContainerService == null && 16332 (now = SystemClock.uptimeMillis()) < timeout) { 16333 try { 16334 conn.wait(timeout - now); 16335 } catch (InterruptedException e) { 16336 } 16337 } 16338 } 16339 if (conn.mContainerService == null) { 16340 return; 16341 } 16342 16343 final UserEnvironment userEnv = new UserEnvironment(curUser); 16344 clearDirectory(conn.mContainerService, 16345 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16346 if (allData) { 16347 clearDirectory(conn.mContainerService, 16348 userEnv.buildExternalStorageAppDataDirs(packageName)); 16349 clearDirectory(conn.mContainerService, 16350 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16351 } 16352 } 16353 } finally { 16354 mContext.unbindService(conn); 16355 } 16356 } 16357 } 16358 16359 @Override 16360 public void clearApplicationProfileData(String packageName) { 16361 enforceSystemOrRoot("Only the system can clear all profile data"); 16362 16363 final PackageParser.Package pkg; 16364 synchronized (mPackages) { 16365 pkg = mPackages.get(packageName); 16366 } 16367 16368 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16369 synchronized (mInstallLock) { 16370 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16371 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16372 true /* removeBaseMarker */); 16373 } 16374 } 16375 } 16376 16377 @Override 16378 public void clearApplicationUserData(final String packageName, 16379 final IPackageDataObserver observer, final int userId) { 16380 mContext.enforceCallingOrSelfPermission( 16381 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16382 16383 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16384 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16385 16386 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16387 throw new SecurityException("Cannot clear data for a protected package: " 16388 + packageName); 16389 } 16390 // Queue up an async operation since the package deletion may take a little while. 16391 mHandler.post(new Runnable() { 16392 public void run() { 16393 mHandler.removeCallbacks(this); 16394 final boolean succeeded; 16395 try (PackageFreezer freezer = freezePackage(packageName, 16396 "clearApplicationUserData")) { 16397 synchronized (mInstallLock) { 16398 succeeded = clearApplicationUserDataLIF(packageName, userId); 16399 } 16400 clearExternalStorageDataSync(packageName, userId, true); 16401 } 16402 if (succeeded) { 16403 // invoke DeviceStorageMonitor's update method to clear any notifications 16404 DeviceStorageMonitorInternal dsm = LocalServices 16405 .getService(DeviceStorageMonitorInternal.class); 16406 if (dsm != null) { 16407 dsm.checkMemory(); 16408 } 16409 } 16410 if(observer != null) { 16411 try { 16412 observer.onRemoveCompleted(packageName, succeeded); 16413 } catch (RemoteException e) { 16414 Log.i(TAG, "Observer no longer exists."); 16415 } 16416 } //end if observer 16417 } //end run 16418 }); 16419 } 16420 16421 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16422 if (packageName == null) { 16423 Slog.w(TAG, "Attempt to delete null packageName."); 16424 return false; 16425 } 16426 16427 // Try finding details about the requested package 16428 PackageParser.Package pkg; 16429 synchronized (mPackages) { 16430 pkg = mPackages.get(packageName); 16431 if (pkg == null) { 16432 final PackageSetting ps = mSettings.mPackages.get(packageName); 16433 if (ps != null) { 16434 pkg = ps.pkg; 16435 } 16436 } 16437 16438 if (pkg == null) { 16439 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16440 return false; 16441 } 16442 16443 PackageSetting ps = (PackageSetting) pkg.mExtras; 16444 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16445 } 16446 16447 clearAppDataLIF(pkg, userId, 16448 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16449 16450 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16451 removeKeystoreDataIfNeeded(userId, appId); 16452 16453 UserManagerInternal umInternal = getUserManagerInternal(); 16454 final int flags; 16455 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16456 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16457 } else if (umInternal.isUserRunning(userId)) { 16458 flags = StorageManager.FLAG_STORAGE_DE; 16459 } else { 16460 flags = 0; 16461 } 16462 prepareAppDataContentsLIF(pkg, userId, flags); 16463 16464 return true; 16465 } 16466 16467 /** 16468 * Reverts user permission state changes (permissions and flags) in 16469 * all packages for a given user. 16470 * 16471 * @param userId The device user for which to do a reset. 16472 */ 16473 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16474 final int packageCount = mPackages.size(); 16475 for (int i = 0; i < packageCount; i++) { 16476 PackageParser.Package pkg = mPackages.valueAt(i); 16477 PackageSetting ps = (PackageSetting) pkg.mExtras; 16478 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16479 } 16480 } 16481 16482 private void resetNetworkPolicies(int userId) { 16483 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16484 } 16485 16486 /** 16487 * Reverts user permission state changes (permissions and flags). 16488 * 16489 * @param ps The package for which to reset. 16490 * @param userId The device user for which to do a reset. 16491 */ 16492 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16493 final PackageSetting ps, final int userId) { 16494 if (ps.pkg == null) { 16495 return; 16496 } 16497 16498 // These are flags that can change base on user actions. 16499 final int userSettableMask = FLAG_PERMISSION_USER_SET 16500 | FLAG_PERMISSION_USER_FIXED 16501 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16502 | FLAG_PERMISSION_REVIEW_REQUIRED; 16503 16504 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16505 | FLAG_PERMISSION_POLICY_FIXED; 16506 16507 boolean writeInstallPermissions = false; 16508 boolean writeRuntimePermissions = false; 16509 16510 final int permissionCount = ps.pkg.requestedPermissions.size(); 16511 for (int i = 0; i < permissionCount; i++) { 16512 String permission = ps.pkg.requestedPermissions.get(i); 16513 16514 BasePermission bp = mSettings.mPermissions.get(permission); 16515 if (bp == null) { 16516 continue; 16517 } 16518 16519 // If shared user we just reset the state to which only this app contributed. 16520 if (ps.sharedUser != null) { 16521 boolean used = false; 16522 final int packageCount = ps.sharedUser.packages.size(); 16523 for (int j = 0; j < packageCount; j++) { 16524 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16525 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16526 && pkg.pkg.requestedPermissions.contains(permission)) { 16527 used = true; 16528 break; 16529 } 16530 } 16531 if (used) { 16532 continue; 16533 } 16534 } 16535 16536 PermissionsState permissionsState = ps.getPermissionsState(); 16537 16538 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16539 16540 // Always clear the user settable flags. 16541 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16542 bp.name) != null; 16543 // If permission review is enabled and this is a legacy app, mark the 16544 // permission as requiring a review as this is the initial state. 16545 int flags = 0; 16546 if (Build.PERMISSIONS_REVIEW_REQUIRED 16547 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16548 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16549 } 16550 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16551 if (hasInstallState) { 16552 writeInstallPermissions = true; 16553 } else { 16554 writeRuntimePermissions = true; 16555 } 16556 } 16557 16558 // Below is only runtime permission handling. 16559 if (!bp.isRuntime()) { 16560 continue; 16561 } 16562 16563 // Never clobber system or policy. 16564 if ((oldFlags & policyOrSystemFlags) != 0) { 16565 continue; 16566 } 16567 16568 // If this permission was granted by default, make sure it is. 16569 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16570 if (permissionsState.grantRuntimePermission(bp, userId) 16571 != PERMISSION_OPERATION_FAILURE) { 16572 writeRuntimePermissions = true; 16573 } 16574 // If permission review is enabled the permissions for a legacy apps 16575 // are represented as constantly granted runtime ones, so don't revoke. 16576 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16577 // Otherwise, reset the permission. 16578 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16579 switch (revokeResult) { 16580 case PERMISSION_OPERATION_SUCCESS: 16581 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16582 writeRuntimePermissions = true; 16583 final int appId = ps.appId; 16584 mHandler.post(new Runnable() { 16585 @Override 16586 public void run() { 16587 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16588 } 16589 }); 16590 } break; 16591 } 16592 } 16593 } 16594 16595 // Synchronously write as we are taking permissions away. 16596 if (writeRuntimePermissions) { 16597 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16598 } 16599 16600 // Synchronously write as we are taking permissions away. 16601 if (writeInstallPermissions) { 16602 mSettings.writeLPr(); 16603 } 16604 } 16605 16606 /** 16607 * Remove entries from the keystore daemon. Will only remove it if the 16608 * {@code appId} is valid. 16609 */ 16610 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16611 if (appId < 0) { 16612 return; 16613 } 16614 16615 final KeyStore keyStore = KeyStore.getInstance(); 16616 if (keyStore != null) { 16617 if (userId == UserHandle.USER_ALL) { 16618 for (final int individual : sUserManager.getUserIds()) { 16619 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16620 } 16621 } else { 16622 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16623 } 16624 } else { 16625 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16626 } 16627 } 16628 16629 @Override 16630 public void deleteApplicationCacheFiles(final String packageName, 16631 final IPackageDataObserver observer) { 16632 final int userId = UserHandle.getCallingUserId(); 16633 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16634 } 16635 16636 @Override 16637 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16638 final IPackageDataObserver observer) { 16639 mContext.enforceCallingOrSelfPermission( 16640 android.Manifest.permission.DELETE_CACHE_FILES, null); 16641 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16642 /* requireFullPermission= */ true, /* checkShell= */ false, 16643 "delete application cache files"); 16644 16645 final PackageParser.Package pkg; 16646 synchronized (mPackages) { 16647 pkg = mPackages.get(packageName); 16648 } 16649 16650 // Queue up an async operation since the package deletion may take a little while. 16651 mHandler.post(new Runnable() { 16652 public void run() { 16653 synchronized (mInstallLock) { 16654 final int flags = StorageManager.FLAG_STORAGE_DE 16655 | StorageManager.FLAG_STORAGE_CE; 16656 // We're only clearing cache files, so we don't care if the 16657 // app is unfrozen and still able to run 16658 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16659 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16660 } 16661 clearExternalStorageDataSync(packageName, userId, false); 16662 if (observer != null) { 16663 try { 16664 observer.onRemoveCompleted(packageName, true); 16665 } catch (RemoteException e) { 16666 Log.i(TAG, "Observer no longer exists."); 16667 } 16668 } 16669 } 16670 }); 16671 } 16672 16673 @Override 16674 public void getPackageSizeInfo(final String packageName, int userHandle, 16675 final IPackageStatsObserver observer) { 16676 mContext.enforceCallingOrSelfPermission( 16677 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16678 if (packageName == null) { 16679 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16680 } 16681 16682 PackageStats stats = new PackageStats(packageName, userHandle); 16683 16684 /* 16685 * Queue up an async operation since the package measurement may take a 16686 * little while. 16687 */ 16688 Message msg = mHandler.obtainMessage(INIT_COPY); 16689 msg.obj = new MeasureParams(stats, observer); 16690 mHandler.sendMessage(msg); 16691 } 16692 16693 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16694 final PackageSetting ps; 16695 synchronized (mPackages) { 16696 ps = mSettings.mPackages.get(packageName); 16697 if (ps == null) { 16698 Slog.w(TAG, "Failed to find settings for " + packageName); 16699 return false; 16700 } 16701 } 16702 try { 16703 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16704 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16705 ps.getCeDataInode(userId), ps.codePathString, stats); 16706 } catch (InstallerException e) { 16707 Slog.w(TAG, String.valueOf(e)); 16708 return false; 16709 } 16710 16711 // For now, ignore code size of packages on system partition 16712 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16713 stats.codeSize = 0; 16714 } 16715 16716 return true; 16717 } 16718 16719 private int getUidTargetSdkVersionLockedLPr(int uid) { 16720 Object obj = mSettings.getUserIdLPr(uid); 16721 if (obj instanceof SharedUserSetting) { 16722 final SharedUserSetting sus = (SharedUserSetting) obj; 16723 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16724 final Iterator<PackageSetting> it = sus.packages.iterator(); 16725 while (it.hasNext()) { 16726 final PackageSetting ps = it.next(); 16727 if (ps.pkg != null) { 16728 int v = ps.pkg.applicationInfo.targetSdkVersion; 16729 if (v < vers) vers = v; 16730 } 16731 } 16732 return vers; 16733 } else if (obj instanceof PackageSetting) { 16734 final PackageSetting ps = (PackageSetting) obj; 16735 if (ps.pkg != null) { 16736 return ps.pkg.applicationInfo.targetSdkVersion; 16737 } 16738 } 16739 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16740 } 16741 16742 @Override 16743 public void addPreferredActivity(IntentFilter filter, int match, 16744 ComponentName[] set, ComponentName activity, int userId) { 16745 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16746 "Adding preferred"); 16747 } 16748 16749 private void addPreferredActivityInternal(IntentFilter filter, int match, 16750 ComponentName[] set, ComponentName activity, boolean always, int userId, 16751 String opname) { 16752 // writer 16753 int callingUid = Binder.getCallingUid(); 16754 enforceCrossUserPermission(callingUid, userId, 16755 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16756 if (filter.countActions() == 0) { 16757 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16758 return; 16759 } 16760 synchronized (mPackages) { 16761 if (mContext.checkCallingOrSelfPermission( 16762 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16763 != PackageManager.PERMISSION_GRANTED) { 16764 if (getUidTargetSdkVersionLockedLPr(callingUid) 16765 < Build.VERSION_CODES.FROYO) { 16766 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16767 + callingUid); 16768 return; 16769 } 16770 mContext.enforceCallingOrSelfPermission( 16771 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16772 } 16773 16774 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16775 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16776 + userId + ":"); 16777 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16778 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16779 scheduleWritePackageRestrictionsLocked(userId); 16780 postPreferredActivityChangedBroadcast(userId); 16781 } 16782 } 16783 16784 private void postPreferredActivityChangedBroadcast(int userId) { 16785 mHandler.post(() -> { 16786 final IActivityManager am = ActivityManagerNative.getDefault(); 16787 if (am == null) { 16788 return; 16789 } 16790 16791 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 16792 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 16793 try { 16794 am.broadcastIntent(null, intent, null, null, 16795 0, null, null, null, android.app.AppOpsManager.OP_NONE, 16796 null, false, false, userId); 16797 } catch (RemoteException e) { 16798 } 16799 }); 16800 } 16801 16802 @Override 16803 public void replacePreferredActivity(IntentFilter filter, int match, 16804 ComponentName[] set, ComponentName activity, int userId) { 16805 if (filter.countActions() != 1) { 16806 throw new IllegalArgumentException( 16807 "replacePreferredActivity expects filter to have only 1 action."); 16808 } 16809 if (filter.countDataAuthorities() != 0 16810 || filter.countDataPaths() != 0 16811 || filter.countDataSchemes() > 1 16812 || filter.countDataTypes() != 0) { 16813 throw new IllegalArgumentException( 16814 "replacePreferredActivity expects filter to have no data authorities, " + 16815 "paths, or types; and at most one scheme."); 16816 } 16817 16818 final int callingUid = Binder.getCallingUid(); 16819 enforceCrossUserPermission(callingUid, userId, 16820 true /* requireFullPermission */, false /* checkShell */, 16821 "replace preferred activity"); 16822 synchronized (mPackages) { 16823 if (mContext.checkCallingOrSelfPermission( 16824 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16825 != PackageManager.PERMISSION_GRANTED) { 16826 if (getUidTargetSdkVersionLockedLPr(callingUid) 16827 < Build.VERSION_CODES.FROYO) { 16828 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16829 + Binder.getCallingUid()); 16830 return; 16831 } 16832 mContext.enforceCallingOrSelfPermission( 16833 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16834 } 16835 16836 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16837 if (pir != null) { 16838 // Get all of the existing entries that exactly match this filter. 16839 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16840 if (existing != null && existing.size() == 1) { 16841 PreferredActivity cur = existing.get(0); 16842 if (DEBUG_PREFERRED) { 16843 Slog.i(TAG, "Checking replace of preferred:"); 16844 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16845 if (!cur.mPref.mAlways) { 16846 Slog.i(TAG, " -- CUR; not mAlways!"); 16847 } else { 16848 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16849 Slog.i(TAG, " -- CUR: mSet=" 16850 + Arrays.toString(cur.mPref.mSetComponents)); 16851 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16852 Slog.i(TAG, " -- NEW: mMatch=" 16853 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16854 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16855 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16856 } 16857 } 16858 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16859 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16860 && cur.mPref.sameSet(set)) { 16861 // Setting the preferred activity to what it happens to be already 16862 if (DEBUG_PREFERRED) { 16863 Slog.i(TAG, "Replacing with same preferred activity " 16864 + cur.mPref.mShortComponent + " for user " 16865 + userId + ":"); 16866 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16867 } 16868 return; 16869 } 16870 } 16871 16872 if (existing != null) { 16873 if (DEBUG_PREFERRED) { 16874 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16875 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16876 } 16877 for (int i = 0; i < existing.size(); i++) { 16878 PreferredActivity pa = existing.get(i); 16879 if (DEBUG_PREFERRED) { 16880 Slog.i(TAG, "Removing existing preferred activity " 16881 + pa.mPref.mComponent + ":"); 16882 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16883 } 16884 pir.removeFilter(pa); 16885 } 16886 } 16887 } 16888 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16889 "Replacing preferred"); 16890 } 16891 } 16892 16893 @Override 16894 public void clearPackagePreferredActivities(String packageName) { 16895 final int uid = Binder.getCallingUid(); 16896 // writer 16897 synchronized (mPackages) { 16898 PackageParser.Package pkg = mPackages.get(packageName); 16899 if (pkg == null || pkg.applicationInfo.uid != uid) { 16900 if (mContext.checkCallingOrSelfPermission( 16901 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16902 != PackageManager.PERMISSION_GRANTED) { 16903 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16904 < Build.VERSION_CODES.FROYO) { 16905 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16906 + Binder.getCallingUid()); 16907 return; 16908 } 16909 mContext.enforceCallingOrSelfPermission( 16910 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16911 } 16912 } 16913 16914 int user = UserHandle.getCallingUserId(); 16915 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16916 scheduleWritePackageRestrictionsLocked(user); 16917 } 16918 } 16919 } 16920 16921 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16922 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16923 ArrayList<PreferredActivity> removed = null; 16924 boolean changed = false; 16925 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16926 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16927 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16928 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16929 continue; 16930 } 16931 Iterator<PreferredActivity> it = pir.filterIterator(); 16932 while (it.hasNext()) { 16933 PreferredActivity pa = it.next(); 16934 // Mark entry for removal only if it matches the package name 16935 // and the entry is of type "always". 16936 if (packageName == null || 16937 (pa.mPref.mComponent.getPackageName().equals(packageName) 16938 && pa.mPref.mAlways)) { 16939 if (removed == null) { 16940 removed = new ArrayList<PreferredActivity>(); 16941 } 16942 removed.add(pa); 16943 } 16944 } 16945 if (removed != null) { 16946 for (int j=0; j<removed.size(); j++) { 16947 PreferredActivity pa = removed.get(j); 16948 pir.removeFilter(pa); 16949 } 16950 changed = true; 16951 } 16952 } 16953 if (changed) { 16954 postPreferredActivityChangedBroadcast(userId); 16955 } 16956 return changed; 16957 } 16958 16959 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16960 private void clearIntentFilterVerificationsLPw(int userId) { 16961 final int packageCount = mPackages.size(); 16962 for (int i = 0; i < packageCount; i++) { 16963 PackageParser.Package pkg = mPackages.valueAt(i); 16964 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16965 } 16966 } 16967 16968 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16969 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16970 if (userId == UserHandle.USER_ALL) { 16971 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16972 sUserManager.getUserIds())) { 16973 for (int oneUserId : sUserManager.getUserIds()) { 16974 scheduleWritePackageRestrictionsLocked(oneUserId); 16975 } 16976 } 16977 } else { 16978 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16979 scheduleWritePackageRestrictionsLocked(userId); 16980 } 16981 } 16982 } 16983 16984 void clearDefaultBrowserIfNeeded(String packageName) { 16985 for (int oneUserId : sUserManager.getUserIds()) { 16986 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16987 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16988 if (packageName.equals(defaultBrowserPackageName)) { 16989 setDefaultBrowserPackageName(null, oneUserId); 16990 } 16991 } 16992 } 16993 16994 @Override 16995 public void resetApplicationPreferences(int userId) { 16996 mContext.enforceCallingOrSelfPermission( 16997 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16998 final long identity = Binder.clearCallingIdentity(); 16999 // writer 17000 try { 17001 synchronized (mPackages) { 17002 clearPackagePreferredActivitiesLPw(null, userId); 17003 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17004 // TODO: We have to reset the default SMS and Phone. This requires 17005 // significant refactoring to keep all default apps in the package 17006 // manager (cleaner but more work) or have the services provide 17007 // callbacks to the package manager to request a default app reset. 17008 applyFactoryDefaultBrowserLPw(userId); 17009 clearIntentFilterVerificationsLPw(userId); 17010 primeDomainVerificationsLPw(userId); 17011 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17012 scheduleWritePackageRestrictionsLocked(userId); 17013 } 17014 resetNetworkPolicies(userId); 17015 } finally { 17016 Binder.restoreCallingIdentity(identity); 17017 } 17018 } 17019 17020 @Override 17021 public int getPreferredActivities(List<IntentFilter> outFilters, 17022 List<ComponentName> outActivities, String packageName) { 17023 17024 int num = 0; 17025 final int userId = UserHandle.getCallingUserId(); 17026 // reader 17027 synchronized (mPackages) { 17028 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17029 if (pir != null) { 17030 final Iterator<PreferredActivity> it = pir.filterIterator(); 17031 while (it.hasNext()) { 17032 final PreferredActivity pa = it.next(); 17033 if (packageName == null 17034 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17035 && pa.mPref.mAlways)) { 17036 if (outFilters != null) { 17037 outFilters.add(new IntentFilter(pa)); 17038 } 17039 if (outActivities != null) { 17040 outActivities.add(pa.mPref.mComponent); 17041 } 17042 } 17043 } 17044 } 17045 } 17046 17047 return num; 17048 } 17049 17050 @Override 17051 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17052 int userId) { 17053 int callingUid = Binder.getCallingUid(); 17054 if (callingUid != Process.SYSTEM_UID) { 17055 throw new SecurityException( 17056 "addPersistentPreferredActivity can only be run by the system"); 17057 } 17058 if (filter.countActions() == 0) { 17059 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17060 return; 17061 } 17062 synchronized (mPackages) { 17063 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17064 ":"); 17065 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17066 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17067 new PersistentPreferredActivity(filter, activity)); 17068 scheduleWritePackageRestrictionsLocked(userId); 17069 postPreferredActivityChangedBroadcast(userId); 17070 } 17071 } 17072 17073 @Override 17074 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17075 int callingUid = Binder.getCallingUid(); 17076 if (callingUid != Process.SYSTEM_UID) { 17077 throw new SecurityException( 17078 "clearPackagePersistentPreferredActivities can only be run by the system"); 17079 } 17080 ArrayList<PersistentPreferredActivity> removed = null; 17081 boolean changed = false; 17082 synchronized (mPackages) { 17083 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17084 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17085 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17086 .valueAt(i); 17087 if (userId != thisUserId) { 17088 continue; 17089 } 17090 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17091 while (it.hasNext()) { 17092 PersistentPreferredActivity ppa = it.next(); 17093 // Mark entry for removal only if it matches the package name. 17094 if (ppa.mComponent.getPackageName().equals(packageName)) { 17095 if (removed == null) { 17096 removed = new ArrayList<PersistentPreferredActivity>(); 17097 } 17098 removed.add(ppa); 17099 } 17100 } 17101 if (removed != null) { 17102 for (int j=0; j<removed.size(); j++) { 17103 PersistentPreferredActivity ppa = removed.get(j); 17104 ppir.removeFilter(ppa); 17105 } 17106 changed = true; 17107 } 17108 } 17109 17110 if (changed) { 17111 scheduleWritePackageRestrictionsLocked(userId); 17112 postPreferredActivityChangedBroadcast(userId); 17113 } 17114 } 17115 } 17116 17117 /** 17118 * Common machinery for picking apart a restored XML blob and passing 17119 * it to a caller-supplied functor to be applied to the running system. 17120 */ 17121 private void restoreFromXml(XmlPullParser parser, int userId, 17122 String expectedStartTag, BlobXmlRestorer functor) 17123 throws IOException, XmlPullParserException { 17124 int type; 17125 while ((type = parser.next()) != XmlPullParser.START_TAG 17126 && type != XmlPullParser.END_DOCUMENT) { 17127 } 17128 if (type != XmlPullParser.START_TAG) { 17129 // oops didn't find a start tag?! 17130 if (DEBUG_BACKUP) { 17131 Slog.e(TAG, "Didn't find start tag during restore"); 17132 } 17133 return; 17134 } 17135Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17136 // this is supposed to be TAG_PREFERRED_BACKUP 17137 if (!expectedStartTag.equals(parser.getName())) { 17138 if (DEBUG_BACKUP) { 17139 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17140 } 17141 return; 17142 } 17143 17144 // skip interfering stuff, then we're aligned with the backing implementation 17145 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17146Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17147 functor.apply(parser, userId); 17148 } 17149 17150 private interface BlobXmlRestorer { 17151 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17152 } 17153 17154 /** 17155 * Non-Binder method, support for the backup/restore mechanism: write the 17156 * full set of preferred activities in its canonical XML format. Returns the 17157 * XML output as a byte array, or null if there is none. 17158 */ 17159 @Override 17160 public byte[] getPreferredActivityBackup(int userId) { 17161 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17162 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17163 } 17164 17165 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17166 try { 17167 final XmlSerializer serializer = new FastXmlSerializer(); 17168 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17169 serializer.startDocument(null, true); 17170 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17171 17172 synchronized (mPackages) { 17173 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17174 } 17175 17176 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17177 serializer.endDocument(); 17178 serializer.flush(); 17179 } catch (Exception e) { 17180 if (DEBUG_BACKUP) { 17181 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17182 } 17183 return null; 17184 } 17185 17186 return dataStream.toByteArray(); 17187 } 17188 17189 @Override 17190 public void restorePreferredActivities(byte[] backup, int userId) { 17191 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17192 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17193 } 17194 17195 try { 17196 final XmlPullParser parser = Xml.newPullParser(); 17197 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17198 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17199 new BlobXmlRestorer() { 17200 @Override 17201 public void apply(XmlPullParser parser, int userId) 17202 throws XmlPullParserException, IOException { 17203 synchronized (mPackages) { 17204 mSettings.readPreferredActivitiesLPw(parser, userId); 17205 } 17206 } 17207 } ); 17208 } catch (Exception e) { 17209 if (DEBUG_BACKUP) { 17210 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17211 } 17212 } 17213 } 17214 17215 /** 17216 * Non-Binder method, support for the backup/restore mechanism: write the 17217 * default browser (etc) settings in its canonical XML format. Returns the default 17218 * browser XML representation as a byte array, or null if there is none. 17219 */ 17220 @Override 17221 public byte[] getDefaultAppsBackup(int userId) { 17222 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17223 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17224 } 17225 17226 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17227 try { 17228 final XmlSerializer serializer = new FastXmlSerializer(); 17229 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17230 serializer.startDocument(null, true); 17231 serializer.startTag(null, TAG_DEFAULT_APPS); 17232 17233 synchronized (mPackages) { 17234 mSettings.writeDefaultAppsLPr(serializer, userId); 17235 } 17236 17237 serializer.endTag(null, TAG_DEFAULT_APPS); 17238 serializer.endDocument(); 17239 serializer.flush(); 17240 } catch (Exception e) { 17241 if (DEBUG_BACKUP) { 17242 Slog.e(TAG, "Unable to write default apps for backup", e); 17243 } 17244 return null; 17245 } 17246 17247 return dataStream.toByteArray(); 17248 } 17249 17250 @Override 17251 public void restoreDefaultApps(byte[] backup, int userId) { 17252 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17253 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17254 } 17255 17256 try { 17257 final XmlPullParser parser = Xml.newPullParser(); 17258 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17259 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17260 new BlobXmlRestorer() { 17261 @Override 17262 public void apply(XmlPullParser parser, int userId) 17263 throws XmlPullParserException, IOException { 17264 synchronized (mPackages) { 17265 mSettings.readDefaultAppsLPw(parser, userId); 17266 } 17267 } 17268 } ); 17269 } catch (Exception e) { 17270 if (DEBUG_BACKUP) { 17271 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17272 } 17273 } 17274 } 17275 17276 @Override 17277 public byte[] getIntentFilterVerificationBackup(int userId) { 17278 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17279 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17280 } 17281 17282 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17283 try { 17284 final XmlSerializer serializer = new FastXmlSerializer(); 17285 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17286 serializer.startDocument(null, true); 17287 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17288 17289 synchronized (mPackages) { 17290 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17291 } 17292 17293 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17294 serializer.endDocument(); 17295 serializer.flush(); 17296 } catch (Exception e) { 17297 if (DEBUG_BACKUP) { 17298 Slog.e(TAG, "Unable to write default apps for backup", e); 17299 } 17300 return null; 17301 } 17302 17303 return dataStream.toByteArray(); 17304 } 17305 17306 @Override 17307 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17308 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17309 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17310 } 17311 17312 try { 17313 final XmlPullParser parser = Xml.newPullParser(); 17314 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17315 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17316 new BlobXmlRestorer() { 17317 @Override 17318 public void apply(XmlPullParser parser, int userId) 17319 throws XmlPullParserException, IOException { 17320 synchronized (mPackages) { 17321 mSettings.readAllDomainVerificationsLPr(parser, userId); 17322 mSettings.writeLPr(); 17323 } 17324 } 17325 } ); 17326 } catch (Exception e) { 17327 if (DEBUG_BACKUP) { 17328 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17329 } 17330 } 17331 } 17332 17333 @Override 17334 public byte[] getPermissionGrantBackup(int userId) { 17335 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17336 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17337 } 17338 17339 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17340 try { 17341 final XmlSerializer serializer = new FastXmlSerializer(); 17342 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17343 serializer.startDocument(null, true); 17344 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17345 17346 synchronized (mPackages) { 17347 serializeRuntimePermissionGrantsLPr(serializer, userId); 17348 } 17349 17350 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17351 serializer.endDocument(); 17352 serializer.flush(); 17353 } catch (Exception e) { 17354 if (DEBUG_BACKUP) { 17355 Slog.e(TAG, "Unable to write default apps for backup", e); 17356 } 17357 return null; 17358 } 17359 17360 return dataStream.toByteArray(); 17361 } 17362 17363 @Override 17364 public void restorePermissionGrants(byte[] backup, int userId) { 17365 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17366 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17367 } 17368 17369 try { 17370 final XmlPullParser parser = Xml.newPullParser(); 17371 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17372 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17373 new BlobXmlRestorer() { 17374 @Override 17375 public void apply(XmlPullParser parser, int userId) 17376 throws XmlPullParserException, IOException { 17377 synchronized (mPackages) { 17378 processRestoredPermissionGrantsLPr(parser, userId); 17379 } 17380 } 17381 } ); 17382 } catch (Exception e) { 17383 if (DEBUG_BACKUP) { 17384 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17385 } 17386 } 17387 } 17388 17389 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17390 throws IOException { 17391 serializer.startTag(null, TAG_ALL_GRANTS); 17392 17393 final int N = mSettings.mPackages.size(); 17394 for (int i = 0; i < N; i++) { 17395 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17396 boolean pkgGrantsKnown = false; 17397 17398 PermissionsState packagePerms = ps.getPermissionsState(); 17399 17400 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17401 final int grantFlags = state.getFlags(); 17402 // only look at grants that are not system/policy fixed 17403 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17404 final boolean isGranted = state.isGranted(); 17405 // And only back up the user-twiddled state bits 17406 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17407 final String packageName = mSettings.mPackages.keyAt(i); 17408 if (!pkgGrantsKnown) { 17409 serializer.startTag(null, TAG_GRANT); 17410 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17411 pkgGrantsKnown = true; 17412 } 17413 17414 final boolean userSet = 17415 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17416 final boolean userFixed = 17417 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17418 final boolean revoke = 17419 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17420 17421 serializer.startTag(null, TAG_PERMISSION); 17422 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17423 if (isGranted) { 17424 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17425 } 17426 if (userSet) { 17427 serializer.attribute(null, ATTR_USER_SET, "true"); 17428 } 17429 if (userFixed) { 17430 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17431 } 17432 if (revoke) { 17433 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17434 } 17435 serializer.endTag(null, TAG_PERMISSION); 17436 } 17437 } 17438 } 17439 17440 if (pkgGrantsKnown) { 17441 serializer.endTag(null, TAG_GRANT); 17442 } 17443 } 17444 17445 serializer.endTag(null, TAG_ALL_GRANTS); 17446 } 17447 17448 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17449 throws XmlPullParserException, IOException { 17450 String pkgName = null; 17451 int outerDepth = parser.getDepth(); 17452 int type; 17453 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17454 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17455 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17456 continue; 17457 } 17458 17459 final String tagName = parser.getName(); 17460 if (tagName.equals(TAG_GRANT)) { 17461 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17462 if (DEBUG_BACKUP) { 17463 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17464 } 17465 } else if (tagName.equals(TAG_PERMISSION)) { 17466 17467 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17468 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17469 17470 int newFlagSet = 0; 17471 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17472 newFlagSet |= FLAG_PERMISSION_USER_SET; 17473 } 17474 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17475 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17476 } 17477 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17478 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17479 } 17480 if (DEBUG_BACKUP) { 17481 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17482 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17483 } 17484 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17485 if (ps != null) { 17486 // Already installed so we apply the grant immediately 17487 if (DEBUG_BACKUP) { 17488 Slog.v(TAG, " + already installed; applying"); 17489 } 17490 PermissionsState perms = ps.getPermissionsState(); 17491 BasePermission bp = mSettings.mPermissions.get(permName); 17492 if (bp != null) { 17493 if (isGranted) { 17494 perms.grantRuntimePermission(bp, userId); 17495 } 17496 if (newFlagSet != 0) { 17497 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17498 } 17499 } 17500 } else { 17501 // Need to wait for post-restore install to apply the grant 17502 if (DEBUG_BACKUP) { 17503 Slog.v(TAG, " - not yet installed; saving for later"); 17504 } 17505 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17506 isGranted, newFlagSet, userId); 17507 } 17508 } else { 17509 PackageManagerService.reportSettingsProblem(Log.WARN, 17510 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17511 XmlUtils.skipCurrentTag(parser); 17512 } 17513 } 17514 17515 scheduleWriteSettingsLocked(); 17516 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17517 } 17518 17519 @Override 17520 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17521 int sourceUserId, int targetUserId, int flags) { 17522 mContext.enforceCallingOrSelfPermission( 17523 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17524 int callingUid = Binder.getCallingUid(); 17525 enforceOwnerRights(ownerPackage, callingUid); 17526 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17527 if (intentFilter.countActions() == 0) { 17528 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17529 return; 17530 } 17531 synchronized (mPackages) { 17532 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17533 ownerPackage, targetUserId, flags); 17534 CrossProfileIntentResolver resolver = 17535 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17536 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17537 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17538 if (existing != null) { 17539 int size = existing.size(); 17540 for (int i = 0; i < size; i++) { 17541 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17542 return; 17543 } 17544 } 17545 } 17546 resolver.addFilter(newFilter); 17547 scheduleWritePackageRestrictionsLocked(sourceUserId); 17548 } 17549 } 17550 17551 @Override 17552 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17553 mContext.enforceCallingOrSelfPermission( 17554 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17555 int callingUid = Binder.getCallingUid(); 17556 enforceOwnerRights(ownerPackage, callingUid); 17557 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17558 synchronized (mPackages) { 17559 CrossProfileIntentResolver resolver = 17560 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17561 ArraySet<CrossProfileIntentFilter> set = 17562 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17563 for (CrossProfileIntentFilter filter : set) { 17564 if (filter.getOwnerPackage().equals(ownerPackage)) { 17565 resolver.removeFilter(filter); 17566 } 17567 } 17568 scheduleWritePackageRestrictionsLocked(sourceUserId); 17569 } 17570 } 17571 17572 // Enforcing that callingUid is owning pkg on userId 17573 private void enforceOwnerRights(String pkg, int callingUid) { 17574 // The system owns everything. 17575 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17576 return; 17577 } 17578 int callingUserId = UserHandle.getUserId(callingUid); 17579 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17580 if (pi == null) { 17581 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17582 + callingUserId); 17583 } 17584 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17585 throw new SecurityException("Calling uid " + callingUid 17586 + " does not own package " + pkg); 17587 } 17588 } 17589 17590 @Override 17591 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17592 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17593 } 17594 17595 private Intent getHomeIntent() { 17596 Intent intent = new Intent(Intent.ACTION_MAIN); 17597 intent.addCategory(Intent.CATEGORY_HOME); 17598 intent.addCategory(Intent.CATEGORY_DEFAULT); 17599 return intent; 17600 } 17601 17602 private IntentFilter getHomeFilter() { 17603 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17604 filter.addCategory(Intent.CATEGORY_HOME); 17605 filter.addCategory(Intent.CATEGORY_DEFAULT); 17606 return filter; 17607 } 17608 17609 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17610 int userId) { 17611 Intent intent = getHomeIntent(); 17612 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17613 PackageManager.GET_META_DATA, userId); 17614 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17615 true, false, false, userId); 17616 17617 allHomeCandidates.clear(); 17618 if (list != null) { 17619 for (ResolveInfo ri : list) { 17620 allHomeCandidates.add(ri); 17621 } 17622 } 17623 return (preferred == null || preferred.activityInfo == null) 17624 ? null 17625 : new ComponentName(preferred.activityInfo.packageName, 17626 preferred.activityInfo.name); 17627 } 17628 17629 @Override 17630 public void setHomeActivity(ComponentName comp, int userId) { 17631 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17632 getHomeActivitiesAsUser(homeActivities, userId); 17633 17634 boolean found = false; 17635 17636 final int size = homeActivities.size(); 17637 final ComponentName[] set = new ComponentName[size]; 17638 for (int i = 0; i < size; i++) { 17639 final ResolveInfo candidate = homeActivities.get(i); 17640 final ActivityInfo info = candidate.activityInfo; 17641 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17642 set[i] = activityName; 17643 if (!found && activityName.equals(comp)) { 17644 found = true; 17645 } 17646 } 17647 if (!found) { 17648 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17649 + userId); 17650 } 17651 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17652 set, comp, userId); 17653 } 17654 17655 private @Nullable String getSetupWizardPackageName() { 17656 final Intent intent = new Intent(Intent.ACTION_MAIN); 17657 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17658 17659 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17660 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17661 | MATCH_DISABLED_COMPONENTS, 17662 UserHandle.myUserId()); 17663 if (matches.size() == 1) { 17664 return matches.get(0).getComponentInfo().packageName; 17665 } else { 17666 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17667 + ": matches=" + matches); 17668 return null; 17669 } 17670 } 17671 17672 @Override 17673 public void setApplicationEnabledSetting(String appPackageName, 17674 int newState, int flags, int userId, String callingPackage) { 17675 if (!sUserManager.exists(userId)) return; 17676 if (callingPackage == null) { 17677 callingPackage = Integer.toString(Binder.getCallingUid()); 17678 } 17679 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17680 } 17681 17682 @Override 17683 public void setComponentEnabledSetting(ComponentName componentName, 17684 int newState, int flags, int userId) { 17685 if (!sUserManager.exists(userId)) return; 17686 setEnabledSetting(componentName.getPackageName(), 17687 componentName.getClassName(), newState, flags, userId, null); 17688 } 17689 17690 private void setEnabledSetting(final String packageName, String className, int newState, 17691 final int flags, int userId, String callingPackage) { 17692 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17693 || newState == COMPONENT_ENABLED_STATE_ENABLED 17694 || newState == COMPONENT_ENABLED_STATE_DISABLED 17695 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17696 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17697 throw new IllegalArgumentException("Invalid new component state: " 17698 + newState); 17699 } 17700 PackageSetting pkgSetting; 17701 final int uid = Binder.getCallingUid(); 17702 final int permission; 17703 if (uid == Process.SYSTEM_UID) { 17704 permission = PackageManager.PERMISSION_GRANTED; 17705 } else { 17706 permission = mContext.checkCallingOrSelfPermission( 17707 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17708 } 17709 enforceCrossUserPermission(uid, userId, 17710 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17711 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17712 boolean sendNow = false; 17713 boolean isApp = (className == null); 17714 String componentName = isApp ? packageName : className; 17715 int packageUid = -1; 17716 ArrayList<String> components; 17717 17718 // writer 17719 synchronized (mPackages) { 17720 pkgSetting = mSettings.mPackages.get(packageName); 17721 if (pkgSetting == null) { 17722 if (className == null) { 17723 throw new IllegalArgumentException("Unknown package: " + packageName); 17724 } 17725 throw new IllegalArgumentException( 17726 "Unknown component: " + packageName + "/" + className); 17727 } 17728 } 17729 17730 // Limit who can change which apps 17731 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17732 // Don't allow apps that don't have permission to modify other apps 17733 if (!allowedByPermission) { 17734 throw new SecurityException( 17735 "Permission Denial: attempt to change component state from pid=" 17736 + Binder.getCallingPid() 17737 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17738 } 17739 // Don't allow changing protected packages. 17740 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17741 throw new SecurityException("Cannot disable a protected package: " + packageName); 17742 } 17743 } 17744 17745 synchronized (mPackages) { 17746 if (uid == Process.SHELL_UID) { 17747 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17748 int oldState = pkgSetting.getEnabled(userId); 17749 if (className == null 17750 && 17751 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17752 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17753 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17754 && 17755 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17756 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17757 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17758 // ok 17759 } else { 17760 throw new SecurityException( 17761 "Shell cannot change component state for " + packageName + "/" 17762 + className + " to " + newState); 17763 } 17764 } 17765 if (className == null) { 17766 // We're dealing with an application/package level state change 17767 if (pkgSetting.getEnabled(userId) == newState) { 17768 // Nothing to do 17769 return; 17770 } 17771 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17772 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17773 // Don't care about who enables an app. 17774 callingPackage = null; 17775 } 17776 pkgSetting.setEnabled(newState, userId, callingPackage); 17777 // pkgSetting.pkg.mSetEnabled = newState; 17778 } else { 17779 // We're dealing with a component level state change 17780 // First, verify that this is a valid class name. 17781 PackageParser.Package pkg = pkgSetting.pkg; 17782 if (pkg == null || !pkg.hasComponentClassName(className)) { 17783 if (pkg != null && 17784 pkg.applicationInfo.targetSdkVersion >= 17785 Build.VERSION_CODES.JELLY_BEAN) { 17786 throw new IllegalArgumentException("Component class " + className 17787 + " does not exist in " + packageName); 17788 } else { 17789 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17790 + className + " does not exist in " + packageName); 17791 } 17792 } 17793 switch (newState) { 17794 case COMPONENT_ENABLED_STATE_ENABLED: 17795 if (!pkgSetting.enableComponentLPw(className, userId)) { 17796 return; 17797 } 17798 break; 17799 case COMPONENT_ENABLED_STATE_DISABLED: 17800 if (!pkgSetting.disableComponentLPw(className, userId)) { 17801 return; 17802 } 17803 break; 17804 case COMPONENT_ENABLED_STATE_DEFAULT: 17805 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17806 return; 17807 } 17808 break; 17809 default: 17810 Slog.e(TAG, "Invalid new component state: " + newState); 17811 return; 17812 } 17813 } 17814 scheduleWritePackageRestrictionsLocked(userId); 17815 components = mPendingBroadcasts.get(userId, packageName); 17816 final boolean newPackage = components == null; 17817 if (newPackage) { 17818 components = new ArrayList<String>(); 17819 } 17820 if (!components.contains(componentName)) { 17821 components.add(componentName); 17822 } 17823 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17824 sendNow = true; 17825 // Purge entry from pending broadcast list if another one exists already 17826 // since we are sending one right away. 17827 mPendingBroadcasts.remove(userId, packageName); 17828 } else { 17829 if (newPackage) { 17830 mPendingBroadcasts.put(userId, packageName, components); 17831 } 17832 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17833 // Schedule a message 17834 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17835 } 17836 } 17837 } 17838 17839 long callingId = Binder.clearCallingIdentity(); 17840 try { 17841 if (sendNow) { 17842 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17843 sendPackageChangedBroadcast(packageName, 17844 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17845 } 17846 } finally { 17847 Binder.restoreCallingIdentity(callingId); 17848 } 17849 } 17850 17851 @Override 17852 public void flushPackageRestrictionsAsUser(int userId) { 17853 if (!sUserManager.exists(userId)) { 17854 return; 17855 } 17856 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17857 false /* checkShell */, "flushPackageRestrictions"); 17858 synchronized (mPackages) { 17859 mSettings.writePackageRestrictionsLPr(userId); 17860 mDirtyUsers.remove(userId); 17861 if (mDirtyUsers.isEmpty()) { 17862 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17863 } 17864 } 17865 } 17866 17867 private void sendPackageChangedBroadcast(String packageName, 17868 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17869 if (DEBUG_INSTALL) 17870 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17871 + componentNames); 17872 Bundle extras = new Bundle(4); 17873 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17874 String nameList[] = new String[componentNames.size()]; 17875 componentNames.toArray(nameList); 17876 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17877 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17878 extras.putInt(Intent.EXTRA_UID, packageUid); 17879 // If this is not reporting a change of the overall package, then only send it 17880 // to registered receivers. We don't want to launch a swath of apps for every 17881 // little component state change. 17882 final int flags = !componentNames.contains(packageName) 17883 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17884 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17885 new int[] {UserHandle.getUserId(packageUid)}); 17886 } 17887 17888 @Override 17889 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17890 if (!sUserManager.exists(userId)) return; 17891 final int uid = Binder.getCallingUid(); 17892 final int permission = mContext.checkCallingOrSelfPermission( 17893 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17894 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17895 enforceCrossUserPermission(uid, userId, 17896 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17897 // writer 17898 synchronized (mPackages) { 17899 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17900 allowedByPermission, uid, userId)) { 17901 scheduleWritePackageRestrictionsLocked(userId); 17902 } 17903 } 17904 } 17905 17906 @Override 17907 public String getInstallerPackageName(String packageName) { 17908 // reader 17909 synchronized (mPackages) { 17910 return mSettings.getInstallerPackageNameLPr(packageName); 17911 } 17912 } 17913 17914 public boolean isOrphaned(String packageName) { 17915 // reader 17916 synchronized (mPackages) { 17917 return mSettings.isOrphaned(packageName); 17918 } 17919 } 17920 17921 @Override 17922 public int getApplicationEnabledSetting(String packageName, int userId) { 17923 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17924 int uid = Binder.getCallingUid(); 17925 enforceCrossUserPermission(uid, userId, 17926 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17927 // reader 17928 synchronized (mPackages) { 17929 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17930 } 17931 } 17932 17933 @Override 17934 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17935 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17936 int uid = Binder.getCallingUid(); 17937 enforceCrossUserPermission(uid, userId, 17938 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17939 // reader 17940 synchronized (mPackages) { 17941 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17942 } 17943 } 17944 17945 @Override 17946 public void enterSafeMode() { 17947 enforceSystemOrRoot("Only the system can request entering safe mode"); 17948 17949 if (!mSystemReady) { 17950 mSafeMode = true; 17951 } 17952 } 17953 17954 @Override 17955 public void systemReady() { 17956 mSystemReady = true; 17957 17958 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 17959 // disabled after already being started. 17960 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 17961 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 17962 17963 // Read the compatibilty setting when the system is ready. 17964 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17965 mContext.getContentResolver(), 17966 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17967 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17968 if (DEBUG_SETTINGS) { 17969 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17970 } 17971 17972 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17973 17974 synchronized (mPackages) { 17975 // Verify that all of the preferred activity components actually 17976 // exist. It is possible for applications to be updated and at 17977 // that point remove a previously declared activity component that 17978 // had been set as a preferred activity. We try to clean this up 17979 // the next time we encounter that preferred activity, but it is 17980 // possible for the user flow to never be able to return to that 17981 // situation so here we do a sanity check to make sure we haven't 17982 // left any junk around. 17983 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17984 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17985 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17986 removed.clear(); 17987 for (PreferredActivity pa : pir.filterSet()) { 17988 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17989 removed.add(pa); 17990 } 17991 } 17992 if (removed.size() > 0) { 17993 for (int r=0; r<removed.size(); r++) { 17994 PreferredActivity pa = removed.get(r); 17995 Slog.w(TAG, "Removing dangling preferred activity: " 17996 + pa.mPref.mComponent); 17997 pir.removeFilter(pa); 17998 } 17999 mSettings.writePackageRestrictionsLPr( 18000 mSettings.mPreferredActivities.keyAt(i)); 18001 } 18002 } 18003 18004 for (int userId : UserManagerService.getInstance().getUserIds()) { 18005 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18006 grantPermissionsUserIds = ArrayUtils.appendInt( 18007 grantPermissionsUserIds, userId); 18008 } 18009 } 18010 } 18011 sUserManager.systemReady(); 18012 18013 // If we upgraded grant all default permissions before kicking off. 18014 for (int userId : grantPermissionsUserIds) { 18015 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18016 } 18017 18018 // If we did not grant default permissions, we preload from this the 18019 // default permission exceptions lazily to ensure we don't hit the 18020 // disk on a new user creation. 18021 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18022 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18023 } 18024 18025 // Kick off any messages waiting for system ready 18026 if (mPostSystemReadyMessages != null) { 18027 for (Message msg : mPostSystemReadyMessages) { 18028 msg.sendToTarget(); 18029 } 18030 mPostSystemReadyMessages = null; 18031 } 18032 18033 // Watch for external volumes that come and go over time 18034 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18035 storage.registerListener(mStorageListener); 18036 18037 mInstallerService.systemReady(); 18038 mPackageDexOptimizer.systemReady(); 18039 18040 MountServiceInternal mountServiceInternal = LocalServices.getService( 18041 MountServiceInternal.class); 18042 mountServiceInternal.addExternalStoragePolicy( 18043 new MountServiceInternal.ExternalStorageMountPolicy() { 18044 @Override 18045 public int getMountMode(int uid, String packageName) { 18046 if (Process.isIsolated(uid)) { 18047 return Zygote.MOUNT_EXTERNAL_NONE; 18048 } 18049 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18050 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18051 } 18052 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18053 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18054 } 18055 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18056 return Zygote.MOUNT_EXTERNAL_READ; 18057 } 18058 return Zygote.MOUNT_EXTERNAL_WRITE; 18059 } 18060 18061 @Override 18062 public boolean hasExternalStorage(int uid, String packageName) { 18063 return true; 18064 } 18065 }); 18066 18067 // Now that we're mostly running, clean up stale users and apps 18068 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18069 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18070 } 18071 18072 @Override 18073 public boolean isSafeMode() { 18074 return mSafeMode; 18075 } 18076 18077 @Override 18078 public boolean hasSystemUidErrors() { 18079 return mHasSystemUidErrors; 18080 } 18081 18082 static String arrayToString(int[] array) { 18083 StringBuffer buf = new StringBuffer(128); 18084 buf.append('['); 18085 if (array != null) { 18086 for (int i=0; i<array.length; i++) { 18087 if (i > 0) buf.append(", "); 18088 buf.append(array[i]); 18089 } 18090 } 18091 buf.append(']'); 18092 return buf.toString(); 18093 } 18094 18095 static class DumpState { 18096 public static final int DUMP_LIBS = 1 << 0; 18097 public static final int DUMP_FEATURES = 1 << 1; 18098 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18099 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18100 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18101 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18102 public static final int DUMP_PERMISSIONS = 1 << 6; 18103 public static final int DUMP_PACKAGES = 1 << 7; 18104 public static final int DUMP_SHARED_USERS = 1 << 8; 18105 public static final int DUMP_MESSAGES = 1 << 9; 18106 public static final int DUMP_PROVIDERS = 1 << 10; 18107 public static final int DUMP_VERIFIERS = 1 << 11; 18108 public static final int DUMP_PREFERRED = 1 << 12; 18109 public static final int DUMP_PREFERRED_XML = 1 << 13; 18110 public static final int DUMP_KEYSETS = 1 << 14; 18111 public static final int DUMP_VERSION = 1 << 15; 18112 public static final int DUMP_INSTALLS = 1 << 16; 18113 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18114 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18115 public static final int DUMP_FROZEN = 1 << 19; 18116 public static final int DUMP_DEXOPT = 1 << 20; 18117 public static final int DUMP_COMPILER_STATS = 1 << 21; 18118 18119 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18120 18121 private int mTypes; 18122 18123 private int mOptions; 18124 18125 private boolean mTitlePrinted; 18126 18127 private SharedUserSetting mSharedUser; 18128 18129 public boolean isDumping(int type) { 18130 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18131 return true; 18132 } 18133 18134 return (mTypes & type) != 0; 18135 } 18136 18137 public void setDump(int type) { 18138 mTypes |= type; 18139 } 18140 18141 public boolean isOptionEnabled(int option) { 18142 return (mOptions & option) != 0; 18143 } 18144 18145 public void setOptionEnabled(int option) { 18146 mOptions |= option; 18147 } 18148 18149 public boolean onTitlePrinted() { 18150 final boolean printed = mTitlePrinted; 18151 mTitlePrinted = true; 18152 return printed; 18153 } 18154 18155 public boolean getTitlePrinted() { 18156 return mTitlePrinted; 18157 } 18158 18159 public void setTitlePrinted(boolean enabled) { 18160 mTitlePrinted = enabled; 18161 } 18162 18163 public SharedUserSetting getSharedUser() { 18164 return mSharedUser; 18165 } 18166 18167 public void setSharedUser(SharedUserSetting user) { 18168 mSharedUser = user; 18169 } 18170 } 18171 18172 @Override 18173 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18174 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18175 (new PackageManagerShellCommand(this)).exec( 18176 this, in, out, err, args, resultReceiver); 18177 } 18178 18179 @Override 18180 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18181 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18182 != PackageManager.PERMISSION_GRANTED) { 18183 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18184 + Binder.getCallingPid() 18185 + ", uid=" + Binder.getCallingUid() 18186 + " without permission " 18187 + android.Manifest.permission.DUMP); 18188 return; 18189 } 18190 18191 DumpState dumpState = new DumpState(); 18192 boolean fullPreferred = false; 18193 boolean checkin = false; 18194 18195 String packageName = null; 18196 ArraySet<String> permissionNames = null; 18197 18198 int opti = 0; 18199 while (opti < args.length) { 18200 String opt = args[opti]; 18201 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18202 break; 18203 } 18204 opti++; 18205 18206 if ("-a".equals(opt)) { 18207 // Right now we only know how to print all. 18208 } else if ("-h".equals(opt)) { 18209 pw.println("Package manager dump options:"); 18210 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18211 pw.println(" --checkin: dump for a checkin"); 18212 pw.println(" -f: print details of intent filters"); 18213 pw.println(" -h: print this help"); 18214 pw.println(" cmd may be one of:"); 18215 pw.println(" l[ibraries]: list known shared libraries"); 18216 pw.println(" f[eatures]: list device features"); 18217 pw.println(" k[eysets]: print known keysets"); 18218 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18219 pw.println(" perm[issions]: dump permissions"); 18220 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18221 pw.println(" pref[erred]: print preferred package settings"); 18222 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18223 pw.println(" prov[iders]: dump content providers"); 18224 pw.println(" p[ackages]: dump installed packages"); 18225 pw.println(" s[hared-users]: dump shared user IDs"); 18226 pw.println(" m[essages]: print collected runtime messages"); 18227 pw.println(" v[erifiers]: print package verifier info"); 18228 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18229 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18230 pw.println(" version: print database version info"); 18231 pw.println(" write: write current settings now"); 18232 pw.println(" installs: details about install sessions"); 18233 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18234 pw.println(" dexopt: dump dexopt state"); 18235 pw.println(" compiler-stats: dump compiler statistics"); 18236 pw.println(" <package.name>: info about given package"); 18237 return; 18238 } else if ("--checkin".equals(opt)) { 18239 checkin = true; 18240 } else if ("-f".equals(opt)) { 18241 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18242 } else { 18243 pw.println("Unknown argument: " + opt + "; use -h for help"); 18244 } 18245 } 18246 18247 // Is the caller requesting to dump a particular piece of data? 18248 if (opti < args.length) { 18249 String cmd = args[opti]; 18250 opti++; 18251 // Is this a package name? 18252 if ("android".equals(cmd) || cmd.contains(".")) { 18253 packageName = cmd; 18254 // When dumping a single package, we always dump all of its 18255 // filter information since the amount of data will be reasonable. 18256 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18257 } else if ("check-permission".equals(cmd)) { 18258 if (opti >= args.length) { 18259 pw.println("Error: check-permission missing permission argument"); 18260 return; 18261 } 18262 String perm = args[opti]; 18263 opti++; 18264 if (opti >= args.length) { 18265 pw.println("Error: check-permission missing package argument"); 18266 return; 18267 } 18268 String pkg = args[opti]; 18269 opti++; 18270 int user = UserHandle.getUserId(Binder.getCallingUid()); 18271 if (opti < args.length) { 18272 try { 18273 user = Integer.parseInt(args[opti]); 18274 } catch (NumberFormatException e) { 18275 pw.println("Error: check-permission user argument is not a number: " 18276 + args[opti]); 18277 return; 18278 } 18279 } 18280 pw.println(checkPermission(perm, pkg, user)); 18281 return; 18282 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18283 dumpState.setDump(DumpState.DUMP_LIBS); 18284 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18285 dumpState.setDump(DumpState.DUMP_FEATURES); 18286 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18287 if (opti >= args.length) { 18288 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18289 | DumpState.DUMP_SERVICE_RESOLVERS 18290 | DumpState.DUMP_RECEIVER_RESOLVERS 18291 | DumpState.DUMP_CONTENT_RESOLVERS); 18292 } else { 18293 while (opti < args.length) { 18294 String name = args[opti]; 18295 if ("a".equals(name) || "activity".equals(name)) { 18296 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18297 } else if ("s".equals(name) || "service".equals(name)) { 18298 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18299 } else if ("r".equals(name) || "receiver".equals(name)) { 18300 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18301 } else if ("c".equals(name) || "content".equals(name)) { 18302 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18303 } else { 18304 pw.println("Error: unknown resolver table type: " + name); 18305 return; 18306 } 18307 opti++; 18308 } 18309 } 18310 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18311 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18312 } else if ("permission".equals(cmd)) { 18313 if (opti >= args.length) { 18314 pw.println("Error: permission requires permission name"); 18315 return; 18316 } 18317 permissionNames = new ArraySet<>(); 18318 while (opti < args.length) { 18319 permissionNames.add(args[opti]); 18320 opti++; 18321 } 18322 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18323 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18324 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18325 dumpState.setDump(DumpState.DUMP_PREFERRED); 18326 } else if ("preferred-xml".equals(cmd)) { 18327 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18328 if (opti < args.length && "--full".equals(args[opti])) { 18329 fullPreferred = true; 18330 opti++; 18331 } 18332 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18333 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18334 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18335 dumpState.setDump(DumpState.DUMP_PACKAGES); 18336 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18337 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18338 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18339 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18340 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18341 dumpState.setDump(DumpState.DUMP_MESSAGES); 18342 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18343 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18344 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18345 || "intent-filter-verifiers".equals(cmd)) { 18346 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18347 } else if ("version".equals(cmd)) { 18348 dumpState.setDump(DumpState.DUMP_VERSION); 18349 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18350 dumpState.setDump(DumpState.DUMP_KEYSETS); 18351 } else if ("installs".equals(cmd)) { 18352 dumpState.setDump(DumpState.DUMP_INSTALLS); 18353 } else if ("frozen".equals(cmd)) { 18354 dumpState.setDump(DumpState.DUMP_FROZEN); 18355 } else if ("dexopt".equals(cmd)) { 18356 dumpState.setDump(DumpState.DUMP_DEXOPT); 18357 } else if ("compiler-stats".equals(cmd)) { 18358 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 18359 } else if ("write".equals(cmd)) { 18360 synchronized (mPackages) { 18361 mSettings.writeLPr(); 18362 pw.println("Settings written."); 18363 return; 18364 } 18365 } 18366 } 18367 18368 if (checkin) { 18369 pw.println("vers,1"); 18370 } 18371 18372 // reader 18373 synchronized (mPackages) { 18374 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18375 if (!checkin) { 18376 if (dumpState.onTitlePrinted()) 18377 pw.println(); 18378 pw.println("Database versions:"); 18379 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18380 } 18381 } 18382 18383 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18384 if (!checkin) { 18385 if (dumpState.onTitlePrinted()) 18386 pw.println(); 18387 pw.println("Verifiers:"); 18388 pw.print(" Required: "); 18389 pw.print(mRequiredVerifierPackage); 18390 pw.print(" (uid="); 18391 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18392 UserHandle.USER_SYSTEM)); 18393 pw.println(")"); 18394 } else if (mRequiredVerifierPackage != null) { 18395 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18396 pw.print(","); 18397 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18398 UserHandle.USER_SYSTEM)); 18399 } 18400 } 18401 18402 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18403 packageName == null) { 18404 if (mIntentFilterVerifierComponent != null) { 18405 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18406 if (!checkin) { 18407 if (dumpState.onTitlePrinted()) 18408 pw.println(); 18409 pw.println("Intent Filter Verifier:"); 18410 pw.print(" Using: "); 18411 pw.print(verifierPackageName); 18412 pw.print(" (uid="); 18413 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18414 UserHandle.USER_SYSTEM)); 18415 pw.println(")"); 18416 } else if (verifierPackageName != null) { 18417 pw.print("ifv,"); pw.print(verifierPackageName); 18418 pw.print(","); 18419 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18420 UserHandle.USER_SYSTEM)); 18421 } 18422 } else { 18423 pw.println(); 18424 pw.println("No Intent Filter Verifier available!"); 18425 } 18426 } 18427 18428 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18429 boolean printedHeader = false; 18430 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18431 while (it.hasNext()) { 18432 String name = it.next(); 18433 SharedLibraryEntry ent = mSharedLibraries.get(name); 18434 if (!checkin) { 18435 if (!printedHeader) { 18436 if (dumpState.onTitlePrinted()) 18437 pw.println(); 18438 pw.println("Libraries:"); 18439 printedHeader = true; 18440 } 18441 pw.print(" "); 18442 } else { 18443 pw.print("lib,"); 18444 } 18445 pw.print(name); 18446 if (!checkin) { 18447 pw.print(" -> "); 18448 } 18449 if (ent.path != null) { 18450 if (!checkin) { 18451 pw.print("(jar) "); 18452 pw.print(ent.path); 18453 } else { 18454 pw.print(",jar,"); 18455 pw.print(ent.path); 18456 } 18457 } else { 18458 if (!checkin) { 18459 pw.print("(apk) "); 18460 pw.print(ent.apk); 18461 } else { 18462 pw.print(",apk,"); 18463 pw.print(ent.apk); 18464 } 18465 } 18466 pw.println(); 18467 } 18468 } 18469 18470 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18471 if (dumpState.onTitlePrinted()) 18472 pw.println(); 18473 if (!checkin) { 18474 pw.println("Features:"); 18475 } 18476 18477 for (FeatureInfo feat : mAvailableFeatures.values()) { 18478 if (checkin) { 18479 pw.print("feat,"); 18480 pw.print(feat.name); 18481 pw.print(","); 18482 pw.println(feat.version); 18483 } else { 18484 pw.print(" "); 18485 pw.print(feat.name); 18486 if (feat.version > 0) { 18487 pw.print(" version="); 18488 pw.print(feat.version); 18489 } 18490 pw.println(); 18491 } 18492 } 18493 } 18494 18495 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18496 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18497 : "Activity Resolver Table:", " ", packageName, 18498 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18499 dumpState.setTitlePrinted(true); 18500 } 18501 } 18502 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18503 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18504 : "Receiver Resolver Table:", " ", packageName, 18505 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18506 dumpState.setTitlePrinted(true); 18507 } 18508 } 18509 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18510 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18511 : "Service Resolver Table:", " ", packageName, 18512 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18513 dumpState.setTitlePrinted(true); 18514 } 18515 } 18516 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18517 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18518 : "Provider Resolver Table:", " ", packageName, 18519 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18520 dumpState.setTitlePrinted(true); 18521 } 18522 } 18523 18524 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18525 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18526 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18527 int user = mSettings.mPreferredActivities.keyAt(i); 18528 if (pir.dump(pw, 18529 dumpState.getTitlePrinted() 18530 ? "\nPreferred Activities User " + user + ":" 18531 : "Preferred Activities User " + user + ":", " ", 18532 packageName, true, false)) { 18533 dumpState.setTitlePrinted(true); 18534 } 18535 } 18536 } 18537 18538 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18539 pw.flush(); 18540 FileOutputStream fout = new FileOutputStream(fd); 18541 BufferedOutputStream str = new BufferedOutputStream(fout); 18542 XmlSerializer serializer = new FastXmlSerializer(); 18543 try { 18544 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18545 serializer.startDocument(null, true); 18546 serializer.setFeature( 18547 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18548 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18549 serializer.endDocument(); 18550 serializer.flush(); 18551 } catch (IllegalArgumentException e) { 18552 pw.println("Failed writing: " + e); 18553 } catch (IllegalStateException e) { 18554 pw.println("Failed writing: " + e); 18555 } catch (IOException e) { 18556 pw.println("Failed writing: " + e); 18557 } 18558 } 18559 18560 if (!checkin 18561 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18562 && packageName == null) { 18563 pw.println(); 18564 int count = mSettings.mPackages.size(); 18565 if (count == 0) { 18566 pw.println("No applications!"); 18567 pw.println(); 18568 } else { 18569 final String prefix = " "; 18570 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18571 if (allPackageSettings.size() == 0) { 18572 pw.println("No domain preferred apps!"); 18573 pw.println(); 18574 } else { 18575 pw.println("App verification status:"); 18576 pw.println(); 18577 count = 0; 18578 for (PackageSetting ps : allPackageSettings) { 18579 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18580 if (ivi == null || ivi.getPackageName() == null) continue; 18581 pw.println(prefix + "Package: " + ivi.getPackageName()); 18582 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18583 pw.println(prefix + "Status: " + ivi.getStatusString()); 18584 pw.println(); 18585 count++; 18586 } 18587 if (count == 0) { 18588 pw.println(prefix + "No app verification established."); 18589 pw.println(); 18590 } 18591 for (int userId : sUserManager.getUserIds()) { 18592 pw.println("App linkages for user " + userId + ":"); 18593 pw.println(); 18594 count = 0; 18595 for (PackageSetting ps : allPackageSettings) { 18596 final long status = ps.getDomainVerificationStatusForUser(userId); 18597 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18598 continue; 18599 } 18600 pw.println(prefix + "Package: " + ps.name); 18601 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18602 String statusStr = IntentFilterVerificationInfo. 18603 getStatusStringFromValue(status); 18604 pw.println(prefix + "Status: " + statusStr); 18605 pw.println(); 18606 count++; 18607 } 18608 if (count == 0) { 18609 pw.println(prefix + "No configured app linkages."); 18610 pw.println(); 18611 } 18612 } 18613 } 18614 } 18615 } 18616 18617 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18618 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18619 if (packageName == null && permissionNames == null) { 18620 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18621 if (iperm == 0) { 18622 if (dumpState.onTitlePrinted()) 18623 pw.println(); 18624 pw.println("AppOp Permissions:"); 18625 } 18626 pw.print(" AppOp Permission "); 18627 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18628 pw.println(":"); 18629 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18630 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18631 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18632 } 18633 } 18634 } 18635 } 18636 18637 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18638 boolean printedSomething = false; 18639 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18640 if (packageName != null && !packageName.equals(p.info.packageName)) { 18641 continue; 18642 } 18643 if (!printedSomething) { 18644 if (dumpState.onTitlePrinted()) 18645 pw.println(); 18646 pw.println("Registered ContentProviders:"); 18647 printedSomething = true; 18648 } 18649 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18650 pw.print(" "); pw.println(p.toString()); 18651 } 18652 printedSomething = false; 18653 for (Map.Entry<String, PackageParser.Provider> entry : 18654 mProvidersByAuthority.entrySet()) { 18655 PackageParser.Provider p = entry.getValue(); 18656 if (packageName != null && !packageName.equals(p.info.packageName)) { 18657 continue; 18658 } 18659 if (!printedSomething) { 18660 if (dumpState.onTitlePrinted()) 18661 pw.println(); 18662 pw.println("ContentProvider Authorities:"); 18663 printedSomething = true; 18664 } 18665 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18666 pw.print(" "); pw.println(p.toString()); 18667 if (p.info != null && p.info.applicationInfo != null) { 18668 final String appInfo = p.info.applicationInfo.toString(); 18669 pw.print(" applicationInfo="); pw.println(appInfo); 18670 } 18671 } 18672 } 18673 18674 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18675 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18676 } 18677 18678 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18679 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18680 } 18681 18682 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18683 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18684 } 18685 18686 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18687 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18688 } 18689 18690 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18691 // XXX should handle packageName != null by dumping only install data that 18692 // the given package is involved with. 18693 if (dumpState.onTitlePrinted()) pw.println(); 18694 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18695 } 18696 18697 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18698 // XXX should handle packageName != null by dumping only install data that 18699 // the given package is involved with. 18700 if (dumpState.onTitlePrinted()) pw.println(); 18701 18702 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18703 ipw.println(); 18704 ipw.println("Frozen packages:"); 18705 ipw.increaseIndent(); 18706 if (mFrozenPackages.size() == 0) { 18707 ipw.println("(none)"); 18708 } else { 18709 for (int i = 0; i < mFrozenPackages.size(); i++) { 18710 ipw.println(mFrozenPackages.valueAt(i)); 18711 } 18712 } 18713 ipw.decreaseIndent(); 18714 } 18715 18716 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18717 if (dumpState.onTitlePrinted()) pw.println(); 18718 dumpDexoptStateLPr(pw, packageName); 18719 } 18720 18721 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 18722 if (dumpState.onTitlePrinted()) pw.println(); 18723 dumpCompilerStatsLPr(pw, packageName); 18724 } 18725 18726 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18727 if (dumpState.onTitlePrinted()) pw.println(); 18728 mSettings.dumpReadMessagesLPr(pw, dumpState); 18729 18730 pw.println(); 18731 pw.println("Package warning messages:"); 18732 BufferedReader in = null; 18733 String line = null; 18734 try { 18735 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18736 while ((line = in.readLine()) != null) { 18737 if (line.contains("ignored: updated version")) continue; 18738 pw.println(line); 18739 } 18740 } catch (IOException ignored) { 18741 } finally { 18742 IoUtils.closeQuietly(in); 18743 } 18744 } 18745 18746 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18747 BufferedReader in = null; 18748 String line = null; 18749 try { 18750 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18751 while ((line = in.readLine()) != null) { 18752 if (line.contains("ignored: updated version")) continue; 18753 pw.print("msg,"); 18754 pw.println(line); 18755 } 18756 } catch (IOException ignored) { 18757 } finally { 18758 IoUtils.closeQuietly(in); 18759 } 18760 } 18761 } 18762 } 18763 18764 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18765 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18766 ipw.println(); 18767 ipw.println("Dexopt state:"); 18768 ipw.increaseIndent(); 18769 Collection<PackageParser.Package> packages = null; 18770 if (packageName != null) { 18771 PackageParser.Package targetPackage = mPackages.get(packageName); 18772 if (targetPackage != null) { 18773 packages = Collections.singletonList(targetPackage); 18774 } else { 18775 ipw.println("Unable to find package: " + packageName); 18776 return; 18777 } 18778 } else { 18779 packages = mPackages.values(); 18780 } 18781 18782 for (PackageParser.Package pkg : packages) { 18783 ipw.println("[" + pkg.packageName + "]"); 18784 ipw.increaseIndent(); 18785 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18786 ipw.decreaseIndent(); 18787 } 18788 } 18789 18790 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 18791 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18792 ipw.println(); 18793 ipw.println("Compiler stats:"); 18794 ipw.increaseIndent(); 18795 Collection<PackageParser.Package> packages = null; 18796 if (packageName != null) { 18797 PackageParser.Package targetPackage = mPackages.get(packageName); 18798 if (targetPackage != null) { 18799 packages = Collections.singletonList(targetPackage); 18800 } else { 18801 ipw.println("Unable to find package: " + packageName); 18802 return; 18803 } 18804 } else { 18805 packages = mPackages.values(); 18806 } 18807 18808 for (PackageParser.Package pkg : packages) { 18809 ipw.println("[" + pkg.packageName + "]"); 18810 ipw.increaseIndent(); 18811 18812 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 18813 if (stats == null) { 18814 ipw.println("(No recorded stats)"); 18815 } else { 18816 stats.dump(ipw); 18817 } 18818 ipw.decreaseIndent(); 18819 } 18820 } 18821 18822 private String dumpDomainString(String packageName) { 18823 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18824 .getList(); 18825 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18826 18827 ArraySet<String> result = new ArraySet<>(); 18828 if (iviList.size() > 0) { 18829 for (IntentFilterVerificationInfo ivi : iviList) { 18830 for (String host : ivi.getDomains()) { 18831 result.add(host); 18832 } 18833 } 18834 } 18835 if (filters != null && filters.size() > 0) { 18836 for (IntentFilter filter : filters) { 18837 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18838 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18839 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18840 result.addAll(filter.getHostsList()); 18841 } 18842 } 18843 } 18844 18845 StringBuilder sb = new StringBuilder(result.size() * 16); 18846 for (String domain : result) { 18847 if (sb.length() > 0) sb.append(" "); 18848 sb.append(domain); 18849 } 18850 return sb.toString(); 18851 } 18852 18853 // ------- apps on sdcard specific code ------- 18854 static final boolean DEBUG_SD_INSTALL = false; 18855 18856 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18857 18858 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18859 18860 private boolean mMediaMounted = false; 18861 18862 static String getEncryptKey() { 18863 try { 18864 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18865 SD_ENCRYPTION_KEYSTORE_NAME); 18866 if (sdEncKey == null) { 18867 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18868 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18869 if (sdEncKey == null) { 18870 Slog.e(TAG, "Failed to create encryption keys"); 18871 return null; 18872 } 18873 } 18874 return sdEncKey; 18875 } catch (NoSuchAlgorithmException nsae) { 18876 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18877 return null; 18878 } catch (IOException ioe) { 18879 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18880 return null; 18881 } 18882 } 18883 18884 /* 18885 * Update media status on PackageManager. 18886 */ 18887 @Override 18888 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18889 int callingUid = Binder.getCallingUid(); 18890 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18891 throw new SecurityException("Media status can only be updated by the system"); 18892 } 18893 // reader; this apparently protects mMediaMounted, but should probably 18894 // be a different lock in that case. 18895 synchronized (mPackages) { 18896 Log.i(TAG, "Updating external media status from " 18897 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18898 + (mediaStatus ? "mounted" : "unmounted")); 18899 if (DEBUG_SD_INSTALL) 18900 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18901 + ", mMediaMounted=" + mMediaMounted); 18902 if (mediaStatus == mMediaMounted) { 18903 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18904 : 0, -1); 18905 mHandler.sendMessage(msg); 18906 return; 18907 } 18908 mMediaMounted = mediaStatus; 18909 } 18910 // Queue up an async operation since the package installation may take a 18911 // little while. 18912 mHandler.post(new Runnable() { 18913 public void run() { 18914 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18915 } 18916 }); 18917 } 18918 18919 /** 18920 * Called by MountService when the initial ASECs to scan are available. 18921 * Should block until all the ASEC containers are finished being scanned. 18922 */ 18923 public void scanAvailableAsecs() { 18924 updateExternalMediaStatusInner(true, false, false); 18925 } 18926 18927 /* 18928 * Collect information of applications on external media, map them against 18929 * existing containers and update information based on current mount status. 18930 * Please note that we always have to report status if reportStatus has been 18931 * set to true especially when unloading packages. 18932 */ 18933 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18934 boolean externalStorage) { 18935 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18936 int[] uidArr = EmptyArray.INT; 18937 18938 final String[] list = PackageHelper.getSecureContainerList(); 18939 if (ArrayUtils.isEmpty(list)) { 18940 Log.i(TAG, "No secure containers found"); 18941 } else { 18942 // Process list of secure containers and categorize them 18943 // as active or stale based on their package internal state. 18944 18945 // reader 18946 synchronized (mPackages) { 18947 for (String cid : list) { 18948 // Leave stages untouched for now; installer service owns them 18949 if (PackageInstallerService.isStageName(cid)) continue; 18950 18951 if (DEBUG_SD_INSTALL) 18952 Log.i(TAG, "Processing container " + cid); 18953 String pkgName = getAsecPackageName(cid); 18954 if (pkgName == null) { 18955 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18956 continue; 18957 } 18958 if (DEBUG_SD_INSTALL) 18959 Log.i(TAG, "Looking for pkg : " + pkgName); 18960 18961 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18962 if (ps == null) { 18963 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18964 continue; 18965 } 18966 18967 /* 18968 * Skip packages that are not external if we're unmounting 18969 * external storage. 18970 */ 18971 if (externalStorage && !isMounted && !isExternal(ps)) { 18972 continue; 18973 } 18974 18975 final AsecInstallArgs args = new AsecInstallArgs(cid, 18976 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18977 // The package status is changed only if the code path 18978 // matches between settings and the container id. 18979 if (ps.codePathString != null 18980 && ps.codePathString.startsWith(args.getCodePath())) { 18981 if (DEBUG_SD_INSTALL) { 18982 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18983 + " at code path: " + ps.codePathString); 18984 } 18985 18986 // We do have a valid package installed on sdcard 18987 processCids.put(args, ps.codePathString); 18988 final int uid = ps.appId; 18989 if (uid != -1) { 18990 uidArr = ArrayUtils.appendInt(uidArr, uid); 18991 } 18992 } else { 18993 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18994 + ps.codePathString); 18995 } 18996 } 18997 } 18998 18999 Arrays.sort(uidArr); 19000 } 19001 19002 // Process packages with valid entries. 19003 if (isMounted) { 19004 if (DEBUG_SD_INSTALL) 19005 Log.i(TAG, "Loading packages"); 19006 loadMediaPackages(processCids, uidArr, externalStorage); 19007 startCleaningPackages(); 19008 mInstallerService.onSecureContainersAvailable(); 19009 } else { 19010 if (DEBUG_SD_INSTALL) 19011 Log.i(TAG, "Unloading packages"); 19012 unloadMediaPackages(processCids, uidArr, reportStatus); 19013 } 19014 } 19015 19016 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19017 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19018 final int size = infos.size(); 19019 final String[] packageNames = new String[size]; 19020 final int[] packageUids = new int[size]; 19021 for (int i = 0; i < size; i++) { 19022 final ApplicationInfo info = infos.get(i); 19023 packageNames[i] = info.packageName; 19024 packageUids[i] = info.uid; 19025 } 19026 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19027 finishedReceiver); 19028 } 19029 19030 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19031 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19032 sendResourcesChangedBroadcast(mediaStatus, replacing, 19033 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19034 } 19035 19036 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19037 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19038 int size = pkgList.length; 19039 if (size > 0) { 19040 // Send broadcasts here 19041 Bundle extras = new Bundle(); 19042 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19043 if (uidArr != null) { 19044 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19045 } 19046 if (replacing) { 19047 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19048 } 19049 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19050 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19051 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19052 } 19053 } 19054 19055 /* 19056 * Look at potentially valid container ids from processCids If package 19057 * information doesn't match the one on record or package scanning fails, 19058 * the cid is added to list of removeCids. We currently don't delete stale 19059 * containers. 19060 */ 19061 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19062 boolean externalStorage) { 19063 ArrayList<String> pkgList = new ArrayList<String>(); 19064 Set<AsecInstallArgs> keys = processCids.keySet(); 19065 19066 for (AsecInstallArgs args : keys) { 19067 String codePath = processCids.get(args); 19068 if (DEBUG_SD_INSTALL) 19069 Log.i(TAG, "Loading container : " + args.cid); 19070 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19071 try { 19072 // Make sure there are no container errors first. 19073 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19074 Slog.e(TAG, "Failed to mount cid : " + args.cid 19075 + " when installing from sdcard"); 19076 continue; 19077 } 19078 // Check code path here. 19079 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19080 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19081 + " does not match one in settings " + codePath); 19082 continue; 19083 } 19084 // Parse package 19085 int parseFlags = mDefParseFlags; 19086 if (args.isExternalAsec()) { 19087 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19088 } 19089 if (args.isFwdLocked()) { 19090 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19091 } 19092 19093 synchronized (mInstallLock) { 19094 PackageParser.Package pkg = null; 19095 try { 19096 // Sadly we don't know the package name yet to freeze it 19097 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19098 SCAN_IGNORE_FROZEN, 0, null); 19099 } catch (PackageManagerException e) { 19100 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19101 } 19102 // Scan the package 19103 if (pkg != null) { 19104 /* 19105 * TODO why is the lock being held? doPostInstall is 19106 * called in other places without the lock. This needs 19107 * to be straightened out. 19108 */ 19109 // writer 19110 synchronized (mPackages) { 19111 retCode = PackageManager.INSTALL_SUCCEEDED; 19112 pkgList.add(pkg.packageName); 19113 // Post process args 19114 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19115 pkg.applicationInfo.uid); 19116 } 19117 } else { 19118 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19119 } 19120 } 19121 19122 } finally { 19123 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19124 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19125 } 19126 } 19127 } 19128 // writer 19129 synchronized (mPackages) { 19130 // If the platform SDK has changed since the last time we booted, 19131 // we need to re-grant app permission to catch any new ones that 19132 // appear. This is really a hack, and means that apps can in some 19133 // cases get permissions that the user didn't initially explicitly 19134 // allow... it would be nice to have some better way to handle 19135 // this situation. 19136 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19137 : mSettings.getInternalVersion(); 19138 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19139 : StorageManager.UUID_PRIVATE_INTERNAL; 19140 19141 int updateFlags = UPDATE_PERMISSIONS_ALL; 19142 if (ver.sdkVersion != mSdkVersion) { 19143 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19144 + mSdkVersion + "; regranting permissions for external"); 19145 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19146 } 19147 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19148 19149 // Yay, everything is now upgraded 19150 ver.forceCurrent(); 19151 19152 // can downgrade to reader 19153 // Persist settings 19154 mSettings.writeLPr(); 19155 } 19156 // Send a broadcast to let everyone know we are done processing 19157 if (pkgList.size() > 0) { 19158 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19159 } 19160 } 19161 19162 /* 19163 * Utility method to unload a list of specified containers 19164 */ 19165 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19166 // Just unmount all valid containers. 19167 for (AsecInstallArgs arg : cidArgs) { 19168 synchronized (mInstallLock) { 19169 arg.doPostDeleteLI(false); 19170 } 19171 } 19172 } 19173 19174 /* 19175 * Unload packages mounted on external media. This involves deleting package 19176 * data from internal structures, sending broadcasts about disabled packages, 19177 * gc'ing to free up references, unmounting all secure containers 19178 * corresponding to packages on external media, and posting a 19179 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19180 * that we always have to post this message if status has been requested no 19181 * matter what. 19182 */ 19183 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19184 final boolean reportStatus) { 19185 if (DEBUG_SD_INSTALL) 19186 Log.i(TAG, "unloading media packages"); 19187 ArrayList<String> pkgList = new ArrayList<String>(); 19188 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19189 final Set<AsecInstallArgs> keys = processCids.keySet(); 19190 for (AsecInstallArgs args : keys) { 19191 String pkgName = args.getPackageName(); 19192 if (DEBUG_SD_INSTALL) 19193 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19194 // Delete package internally 19195 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19196 synchronized (mInstallLock) { 19197 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19198 final boolean res; 19199 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19200 "unloadMediaPackages")) { 19201 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19202 null); 19203 } 19204 if (res) { 19205 pkgList.add(pkgName); 19206 } else { 19207 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19208 failedList.add(args); 19209 } 19210 } 19211 } 19212 19213 // reader 19214 synchronized (mPackages) { 19215 // We didn't update the settings after removing each package; 19216 // write them now for all packages. 19217 mSettings.writeLPr(); 19218 } 19219 19220 // We have to absolutely send UPDATED_MEDIA_STATUS only 19221 // after confirming that all the receivers processed the ordered 19222 // broadcast when packages get disabled, force a gc to clean things up. 19223 // and unload all the containers. 19224 if (pkgList.size() > 0) { 19225 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19226 new IIntentReceiver.Stub() { 19227 public void performReceive(Intent intent, int resultCode, String data, 19228 Bundle extras, boolean ordered, boolean sticky, 19229 int sendingUser) throws RemoteException { 19230 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19231 reportStatus ? 1 : 0, 1, keys); 19232 mHandler.sendMessage(msg); 19233 } 19234 }); 19235 } else { 19236 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19237 keys); 19238 mHandler.sendMessage(msg); 19239 } 19240 } 19241 19242 private void loadPrivatePackages(final VolumeInfo vol) { 19243 mHandler.post(new Runnable() { 19244 @Override 19245 public void run() { 19246 loadPrivatePackagesInner(vol); 19247 } 19248 }); 19249 } 19250 19251 private void loadPrivatePackagesInner(VolumeInfo vol) { 19252 final String volumeUuid = vol.fsUuid; 19253 if (TextUtils.isEmpty(volumeUuid)) { 19254 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19255 return; 19256 } 19257 19258 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19259 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19260 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19261 19262 final VersionInfo ver; 19263 final List<PackageSetting> packages; 19264 synchronized (mPackages) { 19265 ver = mSettings.findOrCreateVersion(volumeUuid); 19266 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19267 } 19268 19269 for (PackageSetting ps : packages) { 19270 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19271 synchronized (mInstallLock) { 19272 final PackageParser.Package pkg; 19273 try { 19274 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19275 loaded.add(pkg.applicationInfo); 19276 19277 } catch (PackageManagerException e) { 19278 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19279 } 19280 19281 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19282 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19283 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19284 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19285 } 19286 } 19287 } 19288 19289 // Reconcile app data for all started/unlocked users 19290 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19291 final UserManager um = mContext.getSystemService(UserManager.class); 19292 UserManagerInternal umInternal = getUserManagerInternal(); 19293 for (UserInfo user : um.getUsers()) { 19294 final int flags; 19295 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19296 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19297 } else if (umInternal.isUserRunning(user.id)) { 19298 flags = StorageManager.FLAG_STORAGE_DE; 19299 } else { 19300 continue; 19301 } 19302 19303 try { 19304 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19305 synchronized (mInstallLock) { 19306 reconcileAppsDataLI(volumeUuid, user.id, flags); 19307 } 19308 } catch (IllegalStateException e) { 19309 // Device was probably ejected, and we'll process that event momentarily 19310 Slog.w(TAG, "Failed to prepare storage: " + e); 19311 } 19312 } 19313 19314 synchronized (mPackages) { 19315 int updateFlags = UPDATE_PERMISSIONS_ALL; 19316 if (ver.sdkVersion != mSdkVersion) { 19317 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19318 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19319 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19320 } 19321 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19322 19323 // Yay, everything is now upgraded 19324 ver.forceCurrent(); 19325 19326 mSettings.writeLPr(); 19327 } 19328 19329 for (PackageFreezer freezer : freezers) { 19330 freezer.close(); 19331 } 19332 19333 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19334 sendResourcesChangedBroadcast(true, false, loaded, null); 19335 } 19336 19337 private void unloadPrivatePackages(final VolumeInfo vol) { 19338 mHandler.post(new Runnable() { 19339 @Override 19340 public void run() { 19341 unloadPrivatePackagesInner(vol); 19342 } 19343 }); 19344 } 19345 19346 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19347 final String volumeUuid = vol.fsUuid; 19348 if (TextUtils.isEmpty(volumeUuid)) { 19349 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19350 return; 19351 } 19352 19353 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19354 synchronized (mInstallLock) { 19355 synchronized (mPackages) { 19356 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19357 for (PackageSetting ps : packages) { 19358 if (ps.pkg == null) continue; 19359 19360 final ApplicationInfo info = ps.pkg.applicationInfo; 19361 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19362 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19363 19364 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19365 "unloadPrivatePackagesInner")) { 19366 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19367 false, null)) { 19368 unloaded.add(info); 19369 } else { 19370 Slog.w(TAG, "Failed to unload " + ps.codePath); 19371 } 19372 } 19373 19374 // Try very hard to release any references to this package 19375 // so we don't risk the system server being killed due to 19376 // open FDs 19377 AttributeCache.instance().removePackage(ps.name); 19378 } 19379 19380 mSettings.writeLPr(); 19381 } 19382 } 19383 19384 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19385 sendResourcesChangedBroadcast(false, false, unloaded, null); 19386 19387 // Try very hard to release any references to this path so we don't risk 19388 // the system server being killed due to open FDs 19389 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19390 19391 for (int i = 0; i < 3; i++) { 19392 System.gc(); 19393 System.runFinalization(); 19394 } 19395 } 19396 19397 /** 19398 * Prepare storage areas for given user on all mounted devices. 19399 */ 19400 void prepareUserData(int userId, int userSerial, int flags) { 19401 synchronized (mInstallLock) { 19402 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19403 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19404 final String volumeUuid = vol.getFsUuid(); 19405 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19406 } 19407 } 19408 } 19409 19410 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19411 boolean allowRecover) { 19412 // Prepare storage and verify that serial numbers are consistent; if 19413 // there's a mismatch we need to destroy to avoid leaking data 19414 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19415 try { 19416 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19417 19418 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19419 UserManagerService.enforceSerialNumber( 19420 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19421 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19422 UserManagerService.enforceSerialNumber( 19423 Environment.getDataSystemDeDirectory(userId), userSerial); 19424 } 19425 } 19426 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19427 UserManagerService.enforceSerialNumber( 19428 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19429 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19430 UserManagerService.enforceSerialNumber( 19431 Environment.getDataSystemCeDirectory(userId), userSerial); 19432 } 19433 } 19434 19435 synchronized (mInstallLock) { 19436 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19437 } 19438 } catch (Exception e) { 19439 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19440 + " because we failed to prepare: " + e); 19441 destroyUserDataLI(volumeUuid, userId, 19442 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19443 19444 if (allowRecover) { 19445 // Try one last time; if we fail again we're really in trouble 19446 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19447 } 19448 } 19449 } 19450 19451 /** 19452 * Destroy storage areas for given user on all mounted devices. 19453 */ 19454 void destroyUserData(int userId, int flags) { 19455 synchronized (mInstallLock) { 19456 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19457 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19458 final String volumeUuid = vol.getFsUuid(); 19459 destroyUserDataLI(volumeUuid, userId, flags); 19460 } 19461 } 19462 } 19463 19464 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19465 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19466 try { 19467 // Clean up app data, profile data, and media data 19468 mInstaller.destroyUserData(volumeUuid, userId, flags); 19469 19470 // Clean up system data 19471 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19472 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19473 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19474 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19475 } 19476 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19477 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19478 } 19479 } 19480 19481 // Data with special labels is now gone, so finish the job 19482 storage.destroyUserStorage(volumeUuid, userId, flags); 19483 19484 } catch (Exception e) { 19485 logCriticalInfo(Log.WARN, 19486 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19487 } 19488 } 19489 19490 /** 19491 * Examine all users present on given mounted volume, and destroy data 19492 * belonging to users that are no longer valid, or whose user ID has been 19493 * recycled. 19494 */ 19495 private void reconcileUsers(String volumeUuid) { 19496 final List<File> files = new ArrayList<>(); 19497 Collections.addAll(files, FileUtils 19498 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19499 Collections.addAll(files, FileUtils 19500 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19501 Collections.addAll(files, FileUtils 19502 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19503 Collections.addAll(files, FileUtils 19504 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19505 for (File file : files) { 19506 if (!file.isDirectory()) continue; 19507 19508 final int userId; 19509 final UserInfo info; 19510 try { 19511 userId = Integer.parseInt(file.getName()); 19512 info = sUserManager.getUserInfo(userId); 19513 } catch (NumberFormatException e) { 19514 Slog.w(TAG, "Invalid user directory " + file); 19515 continue; 19516 } 19517 19518 boolean destroyUser = false; 19519 if (info == null) { 19520 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19521 + " because no matching user was found"); 19522 destroyUser = true; 19523 } else if (!mOnlyCore) { 19524 try { 19525 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19526 } catch (IOException e) { 19527 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19528 + " because we failed to enforce serial number: " + e); 19529 destroyUser = true; 19530 } 19531 } 19532 19533 if (destroyUser) { 19534 synchronized (mInstallLock) { 19535 destroyUserDataLI(volumeUuid, userId, 19536 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19537 } 19538 } 19539 } 19540 } 19541 19542 private void assertPackageKnown(String volumeUuid, String packageName) 19543 throws PackageManagerException { 19544 synchronized (mPackages) { 19545 final PackageSetting ps = mSettings.mPackages.get(packageName); 19546 if (ps == null) { 19547 throw new PackageManagerException("Package " + packageName + " is unknown"); 19548 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19549 throw new PackageManagerException( 19550 "Package " + packageName + " found on unknown volume " + volumeUuid 19551 + "; expected volume " + ps.volumeUuid); 19552 } 19553 } 19554 } 19555 19556 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19557 throws PackageManagerException { 19558 synchronized (mPackages) { 19559 final PackageSetting ps = mSettings.mPackages.get(packageName); 19560 if (ps == null) { 19561 throw new PackageManagerException("Package " + packageName + " is unknown"); 19562 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19563 throw new PackageManagerException( 19564 "Package " + packageName + " found on unknown volume " + volumeUuid 19565 + "; expected volume " + ps.volumeUuid); 19566 } else if (!ps.getInstalled(userId)) { 19567 throw new PackageManagerException( 19568 "Package " + packageName + " not installed for user " + userId); 19569 } 19570 } 19571 } 19572 19573 /** 19574 * Examine all apps present on given mounted volume, and destroy apps that 19575 * aren't expected, either due to uninstallation or reinstallation on 19576 * another volume. 19577 */ 19578 private void reconcileApps(String volumeUuid) { 19579 final File[] files = FileUtils 19580 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19581 for (File file : files) { 19582 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19583 && !PackageInstallerService.isStageName(file.getName()); 19584 if (!isPackage) { 19585 // Ignore entries which are not packages 19586 continue; 19587 } 19588 19589 try { 19590 final PackageLite pkg = PackageParser.parsePackageLite(file, 19591 PackageParser.PARSE_MUST_BE_APK); 19592 assertPackageKnown(volumeUuid, pkg.packageName); 19593 19594 } catch (PackageParserException | PackageManagerException e) { 19595 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19596 synchronized (mInstallLock) { 19597 removeCodePathLI(file); 19598 } 19599 } 19600 } 19601 } 19602 19603 /** 19604 * Reconcile all app data for the given user. 19605 * <p> 19606 * Verifies that directories exist and that ownership and labeling is 19607 * correct for all installed apps on all mounted volumes. 19608 */ 19609 void reconcileAppsData(int userId, int flags) { 19610 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19611 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19612 final String volumeUuid = vol.getFsUuid(); 19613 synchronized (mInstallLock) { 19614 reconcileAppsDataLI(volumeUuid, userId, flags); 19615 } 19616 } 19617 } 19618 19619 /** 19620 * Reconcile all app data on given mounted volume. 19621 * <p> 19622 * Destroys app data that isn't expected, either due to uninstallation or 19623 * reinstallation on another volume. 19624 * <p> 19625 * Verifies that directories exist and that ownership and labeling is 19626 * correct for all installed apps. 19627 */ 19628 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19629 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19630 + Integer.toHexString(flags)); 19631 19632 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19633 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19634 19635 boolean restoreconNeeded = false; 19636 19637 // First look for stale data that doesn't belong, and check if things 19638 // have changed since we did our last restorecon 19639 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19640 if (StorageManager.isFileEncryptedNativeOrEmulated() 19641 && !StorageManager.isUserKeyUnlocked(userId)) { 19642 throw new RuntimeException( 19643 "Yikes, someone asked us to reconcile CE storage while " + userId 19644 + " was still locked; this would have caused massive data loss!"); 19645 } 19646 19647 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19648 19649 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19650 for (File file : files) { 19651 final String packageName = file.getName(); 19652 try { 19653 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19654 } catch (PackageManagerException e) { 19655 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19656 try { 19657 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19658 StorageManager.FLAG_STORAGE_CE, 0); 19659 } catch (InstallerException e2) { 19660 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19661 } 19662 } 19663 } 19664 } 19665 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19666 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19667 19668 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19669 for (File file : files) { 19670 final String packageName = file.getName(); 19671 try { 19672 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19673 } catch (PackageManagerException e) { 19674 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19675 try { 19676 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19677 StorageManager.FLAG_STORAGE_DE, 0); 19678 } catch (InstallerException e2) { 19679 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19680 } 19681 } 19682 } 19683 } 19684 19685 // Ensure that data directories are ready to roll for all packages 19686 // installed for this volume and user 19687 final List<PackageSetting> packages; 19688 synchronized (mPackages) { 19689 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19690 } 19691 int preparedCount = 0; 19692 for (PackageSetting ps : packages) { 19693 final String packageName = ps.name; 19694 if (ps.pkg == null) { 19695 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19696 // TODO: might be due to legacy ASEC apps; we should circle back 19697 // and reconcile again once they're scanned 19698 continue; 19699 } 19700 19701 if (ps.getInstalled(userId)) { 19702 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19703 19704 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19705 // We may have just shuffled around app data directories, so 19706 // prepare them one more time 19707 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19708 } 19709 19710 preparedCount++; 19711 } 19712 } 19713 19714 if (restoreconNeeded) { 19715 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19716 SELinuxMMAC.setRestoreconDone(ceDir); 19717 } 19718 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19719 SELinuxMMAC.setRestoreconDone(deDir); 19720 } 19721 } 19722 19723 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19724 + " packages; restoreconNeeded was " + restoreconNeeded); 19725 } 19726 19727 /** 19728 * Prepare app data for the given app just after it was installed or 19729 * upgraded. This method carefully only touches users that it's installed 19730 * for, and it forces a restorecon to handle any seinfo changes. 19731 * <p> 19732 * Verifies that directories exist and that ownership and labeling is 19733 * correct for all installed apps. If there is an ownership mismatch, it 19734 * will try recovering system apps by wiping data; third-party app data is 19735 * left intact. 19736 * <p> 19737 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19738 */ 19739 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19740 final PackageSetting ps; 19741 synchronized (mPackages) { 19742 ps = mSettings.mPackages.get(pkg.packageName); 19743 mSettings.writeKernelMappingLPr(ps); 19744 } 19745 19746 final UserManager um = mContext.getSystemService(UserManager.class); 19747 UserManagerInternal umInternal = getUserManagerInternal(); 19748 for (UserInfo user : um.getUsers()) { 19749 final int flags; 19750 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19751 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19752 } else if (umInternal.isUserRunning(user.id)) { 19753 flags = StorageManager.FLAG_STORAGE_DE; 19754 } else { 19755 continue; 19756 } 19757 19758 if (ps.getInstalled(user.id)) { 19759 // Whenever an app changes, force a restorecon of its data 19760 // TODO: when user data is locked, mark that we're still dirty 19761 prepareAppDataLIF(pkg, user.id, flags, true); 19762 } 19763 } 19764 } 19765 19766 /** 19767 * Prepare app data for the given app. 19768 * <p> 19769 * Verifies that directories exist and that ownership and labeling is 19770 * correct for all installed apps. If there is an ownership mismatch, this 19771 * will try recovering system apps by wiping data; third-party app data is 19772 * left intact. 19773 */ 19774 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19775 boolean restoreconNeeded) { 19776 if (pkg == null) { 19777 Slog.wtf(TAG, "Package was null!", new Throwable()); 19778 return; 19779 } 19780 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19781 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19782 for (int i = 0; i < childCount; i++) { 19783 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19784 } 19785 } 19786 19787 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19788 boolean restoreconNeeded) { 19789 if (DEBUG_APP_DATA) { 19790 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19791 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19792 } 19793 19794 final String volumeUuid = pkg.volumeUuid; 19795 final String packageName = pkg.packageName; 19796 final ApplicationInfo app = pkg.applicationInfo; 19797 final int appId = UserHandle.getAppId(app.uid); 19798 19799 Preconditions.checkNotNull(app.seinfo); 19800 19801 try { 19802 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19803 appId, app.seinfo, app.targetSdkVersion); 19804 } catch (InstallerException e) { 19805 if (app.isSystemApp()) { 19806 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19807 + ", but trying to recover: " + e); 19808 destroyAppDataLeafLIF(pkg, userId, flags); 19809 try { 19810 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19811 appId, app.seinfo, app.targetSdkVersion); 19812 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19813 } catch (InstallerException e2) { 19814 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19815 } 19816 } else { 19817 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19818 } 19819 } 19820 19821 if (restoreconNeeded) { 19822 try { 19823 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19824 app.seinfo); 19825 } catch (InstallerException e) { 19826 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19827 } 19828 } 19829 19830 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19831 try { 19832 // CE storage is unlocked right now, so read out the inode and 19833 // remember for use later when it's locked 19834 // TODO: mark this structure as dirty so we persist it! 19835 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19836 StorageManager.FLAG_STORAGE_CE); 19837 synchronized (mPackages) { 19838 final PackageSetting ps = mSettings.mPackages.get(packageName); 19839 if (ps != null) { 19840 ps.setCeDataInode(ceDataInode, userId); 19841 } 19842 } 19843 } catch (InstallerException e) { 19844 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19845 } 19846 } 19847 19848 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19849 } 19850 19851 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19852 if (pkg == null) { 19853 Slog.wtf(TAG, "Package was null!", new Throwable()); 19854 return; 19855 } 19856 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19857 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19858 for (int i = 0; i < childCount; i++) { 19859 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19860 } 19861 } 19862 19863 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19864 final String volumeUuid = pkg.volumeUuid; 19865 final String packageName = pkg.packageName; 19866 final ApplicationInfo app = pkg.applicationInfo; 19867 19868 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19869 // Create a native library symlink only if we have native libraries 19870 // and if the native libraries are 32 bit libraries. We do not provide 19871 // this symlink for 64 bit libraries. 19872 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19873 final String nativeLibPath = app.nativeLibraryDir; 19874 try { 19875 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19876 nativeLibPath, userId); 19877 } catch (InstallerException e) { 19878 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19879 } 19880 } 19881 } 19882 } 19883 19884 /** 19885 * For system apps on non-FBE devices, this method migrates any existing 19886 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19887 * requested by the app. 19888 */ 19889 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19890 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19891 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19892 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19893 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19894 try { 19895 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19896 storageTarget); 19897 } catch (InstallerException e) { 19898 logCriticalInfo(Log.WARN, 19899 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19900 } 19901 return true; 19902 } else { 19903 return false; 19904 } 19905 } 19906 19907 public PackageFreezer freezePackage(String packageName, String killReason) { 19908 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19909 } 19910 19911 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19912 return new PackageFreezer(packageName, userId, killReason); 19913 } 19914 19915 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19916 String killReason) { 19917 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19918 } 19919 19920 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19921 String killReason) { 19922 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19923 return new PackageFreezer(); 19924 } else { 19925 return freezePackage(packageName, userId, killReason); 19926 } 19927 } 19928 19929 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19930 String killReason) { 19931 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19932 } 19933 19934 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19935 String killReason) { 19936 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19937 return new PackageFreezer(); 19938 } else { 19939 return freezePackage(packageName, userId, killReason); 19940 } 19941 } 19942 19943 /** 19944 * Class that freezes and kills the given package upon creation, and 19945 * unfreezes it upon closing. This is typically used when doing surgery on 19946 * app code/data to prevent the app from running while you're working. 19947 */ 19948 private class PackageFreezer implements AutoCloseable { 19949 private final String mPackageName; 19950 private final PackageFreezer[] mChildren; 19951 19952 private final boolean mWeFroze; 19953 19954 private final AtomicBoolean mClosed = new AtomicBoolean(); 19955 private final CloseGuard mCloseGuard = CloseGuard.get(); 19956 19957 /** 19958 * Create and return a stub freezer that doesn't actually do anything, 19959 * typically used when someone requested 19960 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19961 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19962 */ 19963 public PackageFreezer() { 19964 mPackageName = null; 19965 mChildren = null; 19966 mWeFroze = false; 19967 mCloseGuard.open("close"); 19968 } 19969 19970 public PackageFreezer(String packageName, int userId, String killReason) { 19971 synchronized (mPackages) { 19972 mPackageName = packageName; 19973 mWeFroze = mFrozenPackages.add(mPackageName); 19974 19975 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19976 if (ps != null) { 19977 killApplication(ps.name, ps.appId, userId, killReason); 19978 } 19979 19980 final PackageParser.Package p = mPackages.get(packageName); 19981 if (p != null && p.childPackages != null) { 19982 final int N = p.childPackages.size(); 19983 mChildren = new PackageFreezer[N]; 19984 for (int i = 0; i < N; i++) { 19985 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19986 userId, killReason); 19987 } 19988 } else { 19989 mChildren = null; 19990 } 19991 } 19992 mCloseGuard.open("close"); 19993 } 19994 19995 @Override 19996 protected void finalize() throws Throwable { 19997 try { 19998 mCloseGuard.warnIfOpen(); 19999 close(); 20000 } finally { 20001 super.finalize(); 20002 } 20003 } 20004 20005 @Override 20006 public void close() { 20007 mCloseGuard.close(); 20008 if (mClosed.compareAndSet(false, true)) { 20009 synchronized (mPackages) { 20010 if (mWeFroze) { 20011 mFrozenPackages.remove(mPackageName); 20012 } 20013 20014 if (mChildren != null) { 20015 for (PackageFreezer freezer : mChildren) { 20016 freezer.close(); 20017 } 20018 } 20019 } 20020 } 20021 } 20022 } 20023 20024 /** 20025 * Verify that given package is currently frozen. 20026 */ 20027 private void checkPackageFrozen(String packageName) { 20028 synchronized (mPackages) { 20029 if (!mFrozenPackages.contains(packageName)) { 20030 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20031 } 20032 } 20033 } 20034 20035 @Override 20036 public int movePackage(final String packageName, final String volumeUuid) { 20037 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20038 20039 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20040 final int moveId = mNextMoveId.getAndIncrement(); 20041 mHandler.post(new Runnable() { 20042 @Override 20043 public void run() { 20044 try { 20045 movePackageInternal(packageName, volumeUuid, moveId, user); 20046 } catch (PackageManagerException e) { 20047 Slog.w(TAG, "Failed to move " + packageName, e); 20048 mMoveCallbacks.notifyStatusChanged(moveId, 20049 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20050 } 20051 } 20052 }); 20053 return moveId; 20054 } 20055 20056 private void movePackageInternal(final String packageName, final String volumeUuid, 20057 final int moveId, UserHandle user) throws PackageManagerException { 20058 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20059 final PackageManager pm = mContext.getPackageManager(); 20060 20061 final boolean currentAsec; 20062 final String currentVolumeUuid; 20063 final File codeFile; 20064 final String installerPackageName; 20065 final String packageAbiOverride; 20066 final int appId; 20067 final String seinfo; 20068 final String label; 20069 final int targetSdkVersion; 20070 final PackageFreezer freezer; 20071 final int[] installedUserIds; 20072 20073 // reader 20074 synchronized (mPackages) { 20075 final PackageParser.Package pkg = mPackages.get(packageName); 20076 final PackageSetting ps = mSettings.mPackages.get(packageName); 20077 if (pkg == null || ps == null) { 20078 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20079 } 20080 20081 if (pkg.applicationInfo.isSystemApp()) { 20082 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20083 "Cannot move system application"); 20084 } 20085 20086 if (pkg.applicationInfo.isExternalAsec()) { 20087 currentAsec = true; 20088 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20089 } else if (pkg.applicationInfo.isForwardLocked()) { 20090 currentAsec = true; 20091 currentVolumeUuid = "forward_locked"; 20092 } else { 20093 currentAsec = false; 20094 currentVolumeUuid = ps.volumeUuid; 20095 20096 final File probe = new File(pkg.codePath); 20097 final File probeOat = new File(probe, "oat"); 20098 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20099 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20100 "Move only supported for modern cluster style installs"); 20101 } 20102 } 20103 20104 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20105 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20106 "Package already moved to " + volumeUuid); 20107 } 20108 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20109 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20110 "Device admin cannot be moved"); 20111 } 20112 20113 if (mFrozenPackages.contains(packageName)) { 20114 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20115 "Failed to move already frozen package"); 20116 } 20117 20118 codeFile = new File(pkg.codePath); 20119 installerPackageName = ps.installerPackageName; 20120 packageAbiOverride = ps.cpuAbiOverrideString; 20121 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20122 seinfo = pkg.applicationInfo.seinfo; 20123 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20124 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20125 freezer = freezePackage(packageName, "movePackageInternal"); 20126 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20127 } 20128 20129 final Bundle extras = new Bundle(); 20130 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20131 extras.putString(Intent.EXTRA_TITLE, label); 20132 mMoveCallbacks.notifyCreated(moveId, extras); 20133 20134 int installFlags; 20135 final boolean moveCompleteApp; 20136 final File measurePath; 20137 20138 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20139 installFlags = INSTALL_INTERNAL; 20140 moveCompleteApp = !currentAsec; 20141 measurePath = Environment.getDataAppDirectory(volumeUuid); 20142 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20143 installFlags = INSTALL_EXTERNAL; 20144 moveCompleteApp = false; 20145 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20146 } else { 20147 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20148 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20149 || !volume.isMountedWritable()) { 20150 freezer.close(); 20151 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20152 "Move location not mounted private volume"); 20153 } 20154 20155 Preconditions.checkState(!currentAsec); 20156 20157 installFlags = INSTALL_INTERNAL; 20158 moveCompleteApp = true; 20159 measurePath = Environment.getDataAppDirectory(volumeUuid); 20160 } 20161 20162 final PackageStats stats = new PackageStats(null, -1); 20163 synchronized (mInstaller) { 20164 for (int userId : installedUserIds) { 20165 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20166 freezer.close(); 20167 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20168 "Failed to measure package size"); 20169 } 20170 } 20171 } 20172 20173 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20174 + stats.dataSize); 20175 20176 final long startFreeBytes = measurePath.getFreeSpace(); 20177 final long sizeBytes; 20178 if (moveCompleteApp) { 20179 sizeBytes = stats.codeSize + stats.dataSize; 20180 } else { 20181 sizeBytes = stats.codeSize; 20182 } 20183 20184 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20185 freezer.close(); 20186 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20187 "Not enough free space to move"); 20188 } 20189 20190 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20191 20192 final CountDownLatch installedLatch = new CountDownLatch(1); 20193 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20194 @Override 20195 public void onUserActionRequired(Intent intent) throws RemoteException { 20196 throw new IllegalStateException(); 20197 } 20198 20199 @Override 20200 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20201 Bundle extras) throws RemoteException { 20202 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20203 + PackageManager.installStatusToString(returnCode, msg)); 20204 20205 installedLatch.countDown(); 20206 freezer.close(); 20207 20208 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20209 switch (status) { 20210 case PackageInstaller.STATUS_SUCCESS: 20211 mMoveCallbacks.notifyStatusChanged(moveId, 20212 PackageManager.MOVE_SUCCEEDED); 20213 break; 20214 case PackageInstaller.STATUS_FAILURE_STORAGE: 20215 mMoveCallbacks.notifyStatusChanged(moveId, 20216 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20217 break; 20218 default: 20219 mMoveCallbacks.notifyStatusChanged(moveId, 20220 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20221 break; 20222 } 20223 } 20224 }; 20225 20226 final MoveInfo move; 20227 if (moveCompleteApp) { 20228 // Kick off a thread to report progress estimates 20229 new Thread() { 20230 @Override 20231 public void run() { 20232 while (true) { 20233 try { 20234 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20235 break; 20236 } 20237 } catch (InterruptedException ignored) { 20238 } 20239 20240 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20241 final int progress = 10 + (int) MathUtils.constrain( 20242 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20243 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20244 } 20245 } 20246 }.start(); 20247 20248 final String dataAppName = codeFile.getName(); 20249 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20250 dataAppName, appId, seinfo, targetSdkVersion); 20251 } else { 20252 move = null; 20253 } 20254 20255 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20256 20257 final Message msg = mHandler.obtainMessage(INIT_COPY); 20258 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20259 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20260 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20261 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20262 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20263 msg.obj = params; 20264 20265 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20266 System.identityHashCode(msg.obj)); 20267 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20268 System.identityHashCode(msg.obj)); 20269 20270 mHandler.sendMessage(msg); 20271 } 20272 20273 @Override 20274 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20275 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20276 20277 final int realMoveId = mNextMoveId.getAndIncrement(); 20278 final Bundle extras = new Bundle(); 20279 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20280 mMoveCallbacks.notifyCreated(realMoveId, extras); 20281 20282 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20283 @Override 20284 public void onCreated(int moveId, Bundle extras) { 20285 // Ignored 20286 } 20287 20288 @Override 20289 public void onStatusChanged(int moveId, int status, long estMillis) { 20290 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20291 } 20292 }; 20293 20294 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20295 storage.setPrimaryStorageUuid(volumeUuid, callback); 20296 return realMoveId; 20297 } 20298 20299 @Override 20300 public int getMoveStatus(int moveId) { 20301 mContext.enforceCallingOrSelfPermission( 20302 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20303 return mMoveCallbacks.mLastStatus.get(moveId); 20304 } 20305 20306 @Override 20307 public void registerMoveCallback(IPackageMoveObserver callback) { 20308 mContext.enforceCallingOrSelfPermission( 20309 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20310 mMoveCallbacks.register(callback); 20311 } 20312 20313 @Override 20314 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20315 mContext.enforceCallingOrSelfPermission( 20316 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20317 mMoveCallbacks.unregister(callback); 20318 } 20319 20320 @Override 20321 public boolean setInstallLocation(int loc) { 20322 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20323 null); 20324 if (getInstallLocation() == loc) { 20325 return true; 20326 } 20327 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20328 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20329 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20330 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20331 return true; 20332 } 20333 return false; 20334 } 20335 20336 @Override 20337 public int getInstallLocation() { 20338 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20339 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20340 PackageHelper.APP_INSTALL_AUTO); 20341 } 20342 20343 /** Called by UserManagerService */ 20344 void cleanUpUser(UserManagerService userManager, int userHandle) { 20345 synchronized (mPackages) { 20346 mDirtyUsers.remove(userHandle); 20347 mUserNeedsBadging.delete(userHandle); 20348 mSettings.removeUserLPw(userHandle); 20349 mPendingBroadcasts.remove(userHandle); 20350 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20351 removeUnusedPackagesLPw(userManager, userHandle); 20352 } 20353 } 20354 20355 /** 20356 * We're removing userHandle and would like to remove any downloaded packages 20357 * that are no longer in use by any other user. 20358 * @param userHandle the user being removed 20359 */ 20360 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20361 final boolean DEBUG_CLEAN_APKS = false; 20362 int [] users = userManager.getUserIds(); 20363 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20364 while (psit.hasNext()) { 20365 PackageSetting ps = psit.next(); 20366 if (ps.pkg == null) { 20367 continue; 20368 } 20369 final String packageName = ps.pkg.packageName; 20370 // Skip over if system app 20371 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20372 continue; 20373 } 20374 if (DEBUG_CLEAN_APKS) { 20375 Slog.i(TAG, "Checking package " + packageName); 20376 } 20377 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20378 if (keep) { 20379 if (DEBUG_CLEAN_APKS) { 20380 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20381 } 20382 } else { 20383 for (int i = 0; i < users.length; i++) { 20384 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20385 keep = true; 20386 if (DEBUG_CLEAN_APKS) { 20387 Slog.i(TAG, " Keeping package " + packageName + " for user " 20388 + users[i]); 20389 } 20390 break; 20391 } 20392 } 20393 } 20394 if (!keep) { 20395 if (DEBUG_CLEAN_APKS) { 20396 Slog.i(TAG, " Removing package " + packageName); 20397 } 20398 mHandler.post(new Runnable() { 20399 public void run() { 20400 deletePackageX(packageName, userHandle, 0); 20401 } //end run 20402 }); 20403 } 20404 } 20405 } 20406 20407 /** Called by UserManagerService */ 20408 void createNewUser(int userId) { 20409 synchronized (mInstallLock) { 20410 mSettings.createNewUserLI(this, mInstaller, userId); 20411 } 20412 synchronized (mPackages) { 20413 scheduleWritePackageRestrictionsLocked(userId); 20414 scheduleWritePackageListLocked(userId); 20415 applyFactoryDefaultBrowserLPw(userId); 20416 primeDomainVerificationsLPw(userId); 20417 } 20418 } 20419 20420 void onNewUserCreated(final int userId) { 20421 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20422 // If permission review for legacy apps is required, we represent 20423 // dagerous permissions for such apps as always granted runtime 20424 // permissions to keep per user flag state whether review is needed. 20425 // Hence, if a new user is added we have to propagate dangerous 20426 // permission grants for these legacy apps. 20427 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20428 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20429 | UPDATE_PERMISSIONS_REPLACE_ALL); 20430 } 20431 } 20432 20433 @Override 20434 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20435 mContext.enforceCallingOrSelfPermission( 20436 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20437 "Only package verification agents can read the verifier device identity"); 20438 20439 synchronized (mPackages) { 20440 return mSettings.getVerifierDeviceIdentityLPw(); 20441 } 20442 } 20443 20444 @Override 20445 public void setPermissionEnforced(String permission, boolean enforced) { 20446 // TODO: Now that we no longer change GID for storage, this should to away. 20447 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20448 "setPermissionEnforced"); 20449 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20450 synchronized (mPackages) { 20451 if (mSettings.mReadExternalStorageEnforced == null 20452 || mSettings.mReadExternalStorageEnforced != enforced) { 20453 mSettings.mReadExternalStorageEnforced = enforced; 20454 mSettings.writeLPr(); 20455 } 20456 } 20457 // kill any non-foreground processes so we restart them and 20458 // grant/revoke the GID. 20459 final IActivityManager am = ActivityManagerNative.getDefault(); 20460 if (am != null) { 20461 final long token = Binder.clearCallingIdentity(); 20462 try { 20463 am.killProcessesBelowForeground("setPermissionEnforcement"); 20464 } catch (RemoteException e) { 20465 } finally { 20466 Binder.restoreCallingIdentity(token); 20467 } 20468 } 20469 } else { 20470 throw new IllegalArgumentException("No selective enforcement for " + permission); 20471 } 20472 } 20473 20474 @Override 20475 @Deprecated 20476 public boolean isPermissionEnforced(String permission) { 20477 return true; 20478 } 20479 20480 @Override 20481 public boolean isStorageLow() { 20482 final long token = Binder.clearCallingIdentity(); 20483 try { 20484 final DeviceStorageMonitorInternal 20485 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20486 if (dsm != null) { 20487 return dsm.isMemoryLow(); 20488 } else { 20489 return false; 20490 } 20491 } finally { 20492 Binder.restoreCallingIdentity(token); 20493 } 20494 } 20495 20496 @Override 20497 public IPackageInstaller getPackageInstaller() { 20498 return mInstallerService; 20499 } 20500 20501 private boolean userNeedsBadging(int userId) { 20502 int index = mUserNeedsBadging.indexOfKey(userId); 20503 if (index < 0) { 20504 final UserInfo userInfo; 20505 final long token = Binder.clearCallingIdentity(); 20506 try { 20507 userInfo = sUserManager.getUserInfo(userId); 20508 } finally { 20509 Binder.restoreCallingIdentity(token); 20510 } 20511 final boolean b; 20512 if (userInfo != null && userInfo.isManagedProfile()) { 20513 b = true; 20514 } else { 20515 b = false; 20516 } 20517 mUserNeedsBadging.put(userId, b); 20518 return b; 20519 } 20520 return mUserNeedsBadging.valueAt(index); 20521 } 20522 20523 @Override 20524 public KeySet getKeySetByAlias(String packageName, String alias) { 20525 if (packageName == null || alias == null) { 20526 return null; 20527 } 20528 synchronized(mPackages) { 20529 final PackageParser.Package pkg = mPackages.get(packageName); 20530 if (pkg == null) { 20531 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20532 throw new IllegalArgumentException("Unknown package: " + packageName); 20533 } 20534 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20535 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20536 } 20537 } 20538 20539 @Override 20540 public KeySet getSigningKeySet(String packageName) { 20541 if (packageName == null) { 20542 return null; 20543 } 20544 synchronized(mPackages) { 20545 final PackageParser.Package pkg = mPackages.get(packageName); 20546 if (pkg == null) { 20547 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20548 throw new IllegalArgumentException("Unknown package: " + packageName); 20549 } 20550 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20551 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20552 throw new SecurityException("May not access signing KeySet of other apps."); 20553 } 20554 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20555 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20556 } 20557 } 20558 20559 @Override 20560 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20561 if (packageName == null || ks == null) { 20562 return false; 20563 } 20564 synchronized(mPackages) { 20565 final PackageParser.Package pkg = mPackages.get(packageName); 20566 if (pkg == null) { 20567 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20568 throw new IllegalArgumentException("Unknown package: " + packageName); 20569 } 20570 IBinder ksh = ks.getToken(); 20571 if (ksh instanceof KeySetHandle) { 20572 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20573 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20574 } 20575 return false; 20576 } 20577 } 20578 20579 @Override 20580 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20581 if (packageName == null || ks == null) { 20582 return false; 20583 } 20584 synchronized(mPackages) { 20585 final PackageParser.Package pkg = mPackages.get(packageName); 20586 if (pkg == null) { 20587 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20588 throw new IllegalArgumentException("Unknown package: " + packageName); 20589 } 20590 IBinder ksh = ks.getToken(); 20591 if (ksh instanceof KeySetHandle) { 20592 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20593 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20594 } 20595 return false; 20596 } 20597 } 20598 20599 private void deletePackageIfUnusedLPr(final String packageName) { 20600 PackageSetting ps = mSettings.mPackages.get(packageName); 20601 if (ps == null) { 20602 return; 20603 } 20604 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20605 // TODO Implement atomic delete if package is unused 20606 // It is currently possible that the package will be deleted even if it is installed 20607 // after this method returns. 20608 mHandler.post(new Runnable() { 20609 public void run() { 20610 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20611 } 20612 }); 20613 } 20614 } 20615 20616 /** 20617 * Check and throw if the given before/after packages would be considered a 20618 * downgrade. 20619 */ 20620 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20621 throws PackageManagerException { 20622 if (after.versionCode < before.mVersionCode) { 20623 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20624 "Update version code " + after.versionCode + " is older than current " 20625 + before.mVersionCode); 20626 } else if (after.versionCode == before.mVersionCode) { 20627 if (after.baseRevisionCode < before.baseRevisionCode) { 20628 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20629 "Update base revision code " + after.baseRevisionCode 20630 + " is older than current " + before.baseRevisionCode); 20631 } 20632 20633 if (!ArrayUtils.isEmpty(after.splitNames)) { 20634 for (int i = 0; i < after.splitNames.length; i++) { 20635 final String splitName = after.splitNames[i]; 20636 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20637 if (j != -1) { 20638 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20639 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20640 "Update split " + splitName + " revision code " 20641 + after.splitRevisionCodes[i] + " is older than current " 20642 + before.splitRevisionCodes[j]); 20643 } 20644 } 20645 } 20646 } 20647 } 20648 } 20649 20650 private static class MoveCallbacks extends Handler { 20651 private static final int MSG_CREATED = 1; 20652 private static final int MSG_STATUS_CHANGED = 2; 20653 20654 private final RemoteCallbackList<IPackageMoveObserver> 20655 mCallbacks = new RemoteCallbackList<>(); 20656 20657 private final SparseIntArray mLastStatus = new SparseIntArray(); 20658 20659 public MoveCallbacks(Looper looper) { 20660 super(looper); 20661 } 20662 20663 public void register(IPackageMoveObserver callback) { 20664 mCallbacks.register(callback); 20665 } 20666 20667 public void unregister(IPackageMoveObserver callback) { 20668 mCallbacks.unregister(callback); 20669 } 20670 20671 @Override 20672 public void handleMessage(Message msg) { 20673 final SomeArgs args = (SomeArgs) msg.obj; 20674 final int n = mCallbacks.beginBroadcast(); 20675 for (int i = 0; i < n; i++) { 20676 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20677 try { 20678 invokeCallback(callback, msg.what, args); 20679 } catch (RemoteException ignored) { 20680 } 20681 } 20682 mCallbacks.finishBroadcast(); 20683 args.recycle(); 20684 } 20685 20686 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20687 throws RemoteException { 20688 switch (what) { 20689 case MSG_CREATED: { 20690 callback.onCreated(args.argi1, (Bundle) args.arg2); 20691 break; 20692 } 20693 case MSG_STATUS_CHANGED: { 20694 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20695 break; 20696 } 20697 } 20698 } 20699 20700 private void notifyCreated(int moveId, Bundle extras) { 20701 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20702 20703 final SomeArgs args = SomeArgs.obtain(); 20704 args.argi1 = moveId; 20705 args.arg2 = extras; 20706 obtainMessage(MSG_CREATED, args).sendToTarget(); 20707 } 20708 20709 private void notifyStatusChanged(int moveId, int status) { 20710 notifyStatusChanged(moveId, status, -1); 20711 } 20712 20713 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20714 Slog.v(TAG, "Move " + moveId + " status " + status); 20715 20716 final SomeArgs args = SomeArgs.obtain(); 20717 args.argi1 = moveId; 20718 args.argi2 = status; 20719 args.arg3 = estMillis; 20720 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20721 20722 synchronized (mLastStatus) { 20723 mLastStatus.put(moveId, status); 20724 } 20725 } 20726 } 20727 20728 private final static class OnPermissionChangeListeners extends Handler { 20729 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20730 20731 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20732 new RemoteCallbackList<>(); 20733 20734 public OnPermissionChangeListeners(Looper looper) { 20735 super(looper); 20736 } 20737 20738 @Override 20739 public void handleMessage(Message msg) { 20740 switch (msg.what) { 20741 case MSG_ON_PERMISSIONS_CHANGED: { 20742 final int uid = msg.arg1; 20743 handleOnPermissionsChanged(uid); 20744 } break; 20745 } 20746 } 20747 20748 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20749 mPermissionListeners.register(listener); 20750 20751 } 20752 20753 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20754 mPermissionListeners.unregister(listener); 20755 } 20756 20757 public void onPermissionsChanged(int uid) { 20758 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20759 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20760 } 20761 } 20762 20763 private void handleOnPermissionsChanged(int uid) { 20764 final int count = mPermissionListeners.beginBroadcast(); 20765 try { 20766 for (int i = 0; i < count; i++) { 20767 IOnPermissionsChangeListener callback = mPermissionListeners 20768 .getBroadcastItem(i); 20769 try { 20770 callback.onPermissionsChanged(uid); 20771 } catch (RemoteException e) { 20772 Log.e(TAG, "Permission listener is dead", e); 20773 } 20774 } 20775 } finally { 20776 mPermissionListeners.finishBroadcast(); 20777 } 20778 } 20779 } 20780 20781 private class PackageManagerInternalImpl extends PackageManagerInternal { 20782 @Override 20783 public void setLocationPackagesProvider(PackagesProvider provider) { 20784 synchronized (mPackages) { 20785 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20786 } 20787 } 20788 20789 @Override 20790 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20791 synchronized (mPackages) { 20792 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20793 } 20794 } 20795 20796 @Override 20797 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20798 synchronized (mPackages) { 20799 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20800 } 20801 } 20802 20803 @Override 20804 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20805 synchronized (mPackages) { 20806 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20807 } 20808 } 20809 20810 @Override 20811 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20812 synchronized (mPackages) { 20813 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20814 } 20815 } 20816 20817 @Override 20818 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20819 synchronized (mPackages) { 20820 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20821 } 20822 } 20823 20824 @Override 20825 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20826 synchronized (mPackages) { 20827 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20828 packageName, userId); 20829 } 20830 } 20831 20832 @Override 20833 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20834 synchronized (mPackages) { 20835 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20836 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20837 packageName, userId); 20838 } 20839 } 20840 20841 @Override 20842 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20843 synchronized (mPackages) { 20844 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20845 packageName, userId); 20846 } 20847 } 20848 20849 @Override 20850 public void setKeepUninstalledPackages(final List<String> packageList) { 20851 Preconditions.checkNotNull(packageList); 20852 List<String> removedFromList = null; 20853 synchronized (mPackages) { 20854 if (mKeepUninstalledPackages != null) { 20855 final int packagesCount = mKeepUninstalledPackages.size(); 20856 for (int i = 0; i < packagesCount; i++) { 20857 String oldPackage = mKeepUninstalledPackages.get(i); 20858 if (packageList != null && packageList.contains(oldPackage)) { 20859 continue; 20860 } 20861 if (removedFromList == null) { 20862 removedFromList = new ArrayList<>(); 20863 } 20864 removedFromList.add(oldPackage); 20865 } 20866 } 20867 mKeepUninstalledPackages = new ArrayList<>(packageList); 20868 if (removedFromList != null) { 20869 final int removedCount = removedFromList.size(); 20870 for (int i = 0; i < removedCount; i++) { 20871 deletePackageIfUnusedLPr(removedFromList.get(i)); 20872 } 20873 } 20874 } 20875 } 20876 20877 @Override 20878 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20879 synchronized (mPackages) { 20880 // If we do not support permission review, done. 20881 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20882 return false; 20883 } 20884 20885 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20886 if (packageSetting == null) { 20887 return false; 20888 } 20889 20890 // Permission review applies only to apps not supporting the new permission model. 20891 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20892 return false; 20893 } 20894 20895 // Legacy apps have the permission and get user consent on launch. 20896 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20897 return permissionsState.isPermissionReviewRequired(userId); 20898 } 20899 } 20900 20901 @Override 20902 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20903 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20904 } 20905 20906 @Override 20907 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20908 int userId) { 20909 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20910 } 20911 20912 @Override 20913 public void setDeviceAndProfileOwnerPackages( 20914 int deviceOwnerUserId, String deviceOwnerPackage, 20915 SparseArray<String> profileOwnerPackages) { 20916 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20917 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20918 } 20919 20920 @Override 20921 public boolean isPackageDataProtected(int userId, String packageName) { 20922 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20923 } 20924 } 20925 20926 @Override 20927 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20928 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20929 synchronized (mPackages) { 20930 final long identity = Binder.clearCallingIdentity(); 20931 try { 20932 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20933 packageNames, userId); 20934 } finally { 20935 Binder.restoreCallingIdentity(identity); 20936 } 20937 } 20938 } 20939 20940 private static void enforceSystemOrPhoneCaller(String tag) { 20941 int callingUid = Binder.getCallingUid(); 20942 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20943 throw new SecurityException( 20944 "Cannot call " + tag + " from UID " + callingUid); 20945 } 20946 } 20947 20948 boolean isHistoricalPackageUsageAvailable() { 20949 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20950 } 20951 20952 /** 20953 * Return a <b>copy</b> of the collection of packages known to the package manager. 20954 * @return A copy of the values of mPackages. 20955 */ 20956 Collection<PackageParser.Package> getPackages() { 20957 synchronized (mPackages) { 20958 return new ArrayList<>(mPackages.values()); 20959 } 20960 } 20961 20962 /** 20963 * Logs process start information (including base APK hash) to the security log. 20964 * @hide 20965 */ 20966 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20967 String apkFile, int pid) { 20968 if (!SecurityLog.isLoggingEnabled()) { 20969 return; 20970 } 20971 Bundle data = new Bundle(); 20972 data.putLong("startTimestamp", System.currentTimeMillis()); 20973 data.putString("processName", processName); 20974 data.putInt("uid", uid); 20975 data.putString("seinfo", seinfo); 20976 data.putString("apkFile", apkFile); 20977 data.putInt("pid", pid); 20978 Message msg = mProcessLoggingHandler.obtainMessage( 20979 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20980 msg.setData(data); 20981 mProcessLoggingHandler.sendMessage(msg); 20982 } 20983 20984 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 20985 return mCompilerStats.getPackageStats(pkgName); 20986 } 20987 20988 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 20989 return getOrCreateCompilerPackageStats(pkg.packageName); 20990 } 20991 20992 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 20993 return mCompilerStats.getOrCreatePackageStats(pkgName); 20994 } 20995 20996 public void deleteCompilerPackageStats(String pkgName) { 20997 mCompilerStats.deletePackageStats(pkgName); 20998 } 20999} 21000