PackageManagerService.java revision ccdad8f85b3dbdfb29f795d82fdd60d58cbd61df
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.annotation.UserIdInt; 106import android.app.ActivityManager; 107import android.app.ActivityManagerNative; 108import android.app.IActivityManager; 109import android.app.ResourcesManager; 110import android.app.admin.IDevicePolicyManager; 111import android.app.admin.SecurityLog; 112import android.app.backup.IBackupManager; 113import android.content.BroadcastReceiver; 114import android.content.ComponentName; 115import android.content.Context; 116import android.content.IIntentReceiver; 117import android.content.Intent; 118import android.content.IntentFilter; 119import android.content.IntentSender; 120import android.content.IntentSender.SendIntentException; 121import android.content.ServiceConnection; 122import android.content.pm.ActivityInfo; 123import android.content.pm.ApplicationInfo; 124import android.content.pm.AppsQueryHelper; 125import android.content.pm.ComponentInfo; 126import android.content.pm.EphemeralApplicationInfo; 127import android.content.pm.EphemeralResolveInfo; 128import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 129import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 130import android.content.pm.FeatureInfo; 131import android.content.pm.IOnPermissionsChangeListener; 132import android.content.pm.IPackageDataObserver; 133import android.content.pm.IPackageDeleteObserver; 134import android.content.pm.IPackageDeleteObserver2; 135import android.content.pm.IPackageInstallObserver2; 136import android.content.pm.IPackageInstaller; 137import android.content.pm.IPackageManager; 138import android.content.pm.IPackageMoveObserver; 139import android.content.pm.IPackageStatsObserver; 140import android.content.pm.InstrumentationInfo; 141import android.content.pm.IntentFilterVerificationInfo; 142import android.content.pm.KeySet; 143import android.content.pm.PackageCleanItem; 144import android.content.pm.PackageInfo; 145import android.content.pm.PackageInfoLite; 146import android.content.pm.PackageInstaller; 147import android.content.pm.PackageManager; 148import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 149import android.content.pm.PackageManagerInternal; 150import android.content.pm.PackageParser; 151import android.content.pm.PackageParser.ActivityIntentInfo; 152import android.content.pm.PackageParser.PackageLite; 153import android.content.pm.PackageParser.PackageParserException; 154import android.content.pm.PackageStats; 155import android.content.pm.PackageUserState; 156import android.content.pm.ParceledListSlice; 157import android.content.pm.PermissionGroupInfo; 158import android.content.pm.PermissionInfo; 159import android.content.pm.ProviderInfo; 160import android.content.pm.ResolveInfo; 161import android.content.pm.ServiceInfo; 162import android.content.pm.Signature; 163import android.content.pm.UserInfo; 164import android.content.pm.VerifierDeviceIdentity; 165import android.content.pm.VerifierInfo; 166import android.content.res.Resources; 167import android.graphics.Bitmap; 168import android.hardware.display.DisplayManager; 169import android.net.Uri; 170import android.os.Binder; 171import android.os.Build; 172import android.os.Bundle; 173import android.os.Debug; 174import android.os.Environment; 175import android.os.Environment.UserEnvironment; 176import android.os.FileUtils; 177import android.os.Handler; 178import android.os.IBinder; 179import android.os.Looper; 180import android.os.Message; 181import android.os.Parcel; 182import android.os.ParcelFileDescriptor; 183import android.os.Process; 184import android.os.RemoteCallbackList; 185import android.os.RemoteException; 186import android.os.ResultReceiver; 187import android.os.SELinux; 188import android.os.ServiceManager; 189import android.os.SystemClock; 190import android.os.SystemProperties; 191import android.os.Trace; 192import android.os.UserHandle; 193import android.os.UserManager; 194import android.os.UserManagerInternal; 195import android.os.storage.IMountService; 196import android.os.storage.MountServiceInternal; 197import android.os.storage.StorageEventListener; 198import android.os.storage.StorageManager; 199import android.os.storage.VolumeInfo; 200import android.os.storage.VolumeRecord; 201import android.provider.Settings.Global; 202import android.security.KeyStore; 203import android.security.SystemKeyStore; 204import android.system.ErrnoException; 205import android.system.Os; 206import android.text.TextUtils; 207import android.text.format.DateUtils; 208import android.util.ArrayMap; 209import android.util.ArraySet; 210import android.util.AtomicFile; 211import android.util.DisplayMetrics; 212import android.util.EventLog; 213import android.util.ExceptionUtils; 214import android.util.Log; 215import android.util.LogPrinter; 216import android.util.MathUtils; 217import android.util.PrintStreamPrinter; 218import android.util.Slog; 219import android.util.SparseArray; 220import android.util.SparseBooleanArray; 221import android.util.SparseIntArray; 222import android.util.Xml; 223import android.util.jar.StrictJarFile; 224import android.view.Display; 225 226import com.android.internal.R; 227import com.android.internal.annotations.GuardedBy; 228import com.android.internal.app.IMediaContainerService; 229import com.android.internal.app.ResolverActivity; 230import com.android.internal.content.NativeLibraryHelper; 231import com.android.internal.content.PackageHelper; 232import com.android.internal.logging.MetricsLogger; 233import com.android.internal.os.IParcelFileDescriptorFactory; 234import com.android.internal.os.InstallerConnection.InstallerException; 235import com.android.internal.os.SomeArgs; 236import com.android.internal.os.Zygote; 237import com.android.internal.telephony.CarrierAppUtils; 238import com.android.internal.util.ArrayUtils; 239import com.android.internal.util.FastPrintWriter; 240import com.android.internal.util.FastXmlSerializer; 241import com.android.internal.util.IndentingPrintWriter; 242import com.android.internal.util.Preconditions; 243import com.android.internal.util.XmlUtils; 244import com.android.server.AttributeCache; 245import com.android.server.EventLogTags; 246import com.android.server.FgThread; 247import com.android.server.IntentResolver; 248import com.android.server.LocalServices; 249import com.android.server.ServiceThread; 250import com.android.server.SystemConfig; 251import com.android.server.Watchdog; 252import com.android.server.net.NetworkPolicyManagerInternal; 253import com.android.server.pm.PermissionsState.PermissionState; 254import com.android.server.pm.Settings.DatabaseVersion; 255import com.android.server.pm.Settings.VersionInfo; 256import com.android.server.storage.DeviceStorageMonitorInternal; 257 258import dalvik.system.CloseGuard; 259import dalvik.system.DexFile; 260import dalvik.system.VMRuntime; 261 262import libcore.io.IoUtils; 263import libcore.util.EmptyArray; 264 265import org.xmlpull.v1.XmlPullParser; 266import org.xmlpull.v1.XmlPullParserException; 267import org.xmlpull.v1.XmlSerializer; 268 269import java.io.BufferedInputStream; 270import java.io.BufferedOutputStream; 271import java.io.BufferedReader; 272import java.io.ByteArrayInputStream; 273import java.io.ByteArrayOutputStream; 274import java.io.File; 275import java.io.FileDescriptor; 276import java.io.FileInputStream; 277import java.io.FileNotFoundException; 278import java.io.FileOutputStream; 279import java.io.FileReader; 280import java.io.FilenameFilter; 281import java.io.IOException; 282import java.io.InputStream; 283import java.io.PrintWriter; 284import java.nio.charset.StandardCharsets; 285import java.security.DigestInputStream; 286import java.security.MessageDigest; 287import java.security.NoSuchAlgorithmException; 288import java.security.PublicKey; 289import java.security.cert.Certificate; 290import java.security.cert.CertificateEncodingException; 291import java.security.cert.CertificateException; 292import java.text.SimpleDateFormat; 293import java.util.ArrayList; 294import java.util.Arrays; 295import java.util.Collection; 296import java.util.Collections; 297import java.util.Comparator; 298import java.util.Date; 299import java.util.HashSet; 300import java.util.Iterator; 301import java.util.List; 302import java.util.Map; 303import java.util.Objects; 304import java.util.Set; 305import java.util.concurrent.CountDownLatch; 306import java.util.concurrent.TimeUnit; 307import java.util.concurrent.atomic.AtomicBoolean; 308import java.util.concurrent.atomic.AtomicInteger; 309import java.util.concurrent.atomic.AtomicLong; 310 311/** 312 * Keep track of all those APKs everywhere. 313 * <p> 314 * Internally there are two important locks: 315 * <ul> 316 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 317 * and other related state. It is a fine-grained lock that should only be held 318 * momentarily, as it's one of the most contended locks in the system. 319 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 320 * operations typically involve heavy lifting of application data on disk. Since 321 * {@code installd} is single-threaded, and it's operations can often be slow, 322 * this lock should never be acquired while already holding {@link #mPackages}. 323 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 324 * holding {@link #mInstallLock}. 325 * </ul> 326 * Many internal methods rely on the caller to hold the appropriate locks, and 327 * this contract is expressed through method name suffixes: 328 * <ul> 329 * <li>fooLI(): the caller must hold {@link #mInstallLock} 330 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 331 * being modified must be frozen 332 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 333 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 334 * </ul> 335 * <p> 336 * Because this class is very central to the platform's security; please run all 337 * CTS and unit tests whenever making modifications: 338 * 339 * <pre> 340 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 341 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 342 * </pre> 343 */ 344public class PackageManagerService extends IPackageManager.Stub { 345 static final String TAG = "PackageManager"; 346 static final boolean DEBUG_SETTINGS = false; 347 static final boolean DEBUG_PREFERRED = false; 348 static final boolean DEBUG_UPGRADE = false; 349 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 350 private static final boolean DEBUG_BACKUP = false; 351 private static final boolean DEBUG_INSTALL = false; 352 private static final boolean DEBUG_REMOVE = false; 353 private static final boolean DEBUG_BROADCASTS = false; 354 private static final boolean DEBUG_SHOW_INFO = false; 355 private static final boolean DEBUG_PACKAGE_INFO = false; 356 private static final boolean DEBUG_INTENT_MATCHING = false; 357 private static final boolean DEBUG_PACKAGE_SCANNING = false; 358 private static final boolean DEBUG_VERIFY = false; 359 private static final boolean DEBUG_FILTERS = false; 360 361 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 362 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 363 // user, but by default initialize to this. 364 static final boolean DEBUG_DEXOPT = false; 365 366 private static final boolean DEBUG_ABI_SELECTION = false; 367 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 368 private static final boolean DEBUG_TRIAGED_MISSING = false; 369 private static final boolean DEBUG_APP_DATA = false; 370 371 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 372 373 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 374 375 private static final int RADIO_UID = Process.PHONE_UID; 376 private static final int LOG_UID = Process.LOG_UID; 377 private static final int NFC_UID = Process.NFC_UID; 378 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 379 private static final int SHELL_UID = Process.SHELL_UID; 380 381 // Cap the size of permission trees that 3rd party apps can define 382 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 383 384 // Suffix used during package installation when copying/moving 385 // package apks to install directory. 386 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 387 388 static final int SCAN_NO_DEX = 1<<1; 389 static final int SCAN_FORCE_DEX = 1<<2; 390 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 391 static final int SCAN_NEW_INSTALL = 1<<4; 392 static final int SCAN_NO_PATHS = 1<<5; 393 static final int SCAN_UPDATE_TIME = 1<<6; 394 static final int SCAN_DEFER_DEX = 1<<7; 395 static final int SCAN_BOOTING = 1<<8; 396 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 397 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 398 static final int SCAN_REPLACING = 1<<11; 399 static final int SCAN_REQUIRE_KNOWN = 1<<12; 400 static final int SCAN_MOVE = 1<<13; 401 static final int SCAN_INITIAL = 1<<14; 402 static final int SCAN_CHECK_ONLY = 1<<15; 403 static final int SCAN_DONT_KILL_APP = 1<<17; 404 static final int SCAN_IGNORE_FROZEN = 1<<18; 405 406 static final int REMOVE_CHATTY = 1<<16; 407 408 private static final int[] EMPTY_INT_ARRAY = new int[0]; 409 410 /** 411 * Timeout (in milliseconds) after which the watchdog should declare that 412 * our handler thread is wedged. The usual default for such things is one 413 * minute but we sometimes do very lengthy I/O operations on this thread, 414 * such as installing multi-gigabyte applications, so ours needs to be longer. 415 */ 416 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 417 418 /** 419 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 420 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 421 * settings entry if available, otherwise we use the hardcoded default. If it's been 422 * more than this long since the last fstrim, we force one during the boot sequence. 423 * 424 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 425 * one gets run at the next available charging+idle time. This final mandatory 426 * no-fstrim check kicks in only of the other scheduling criteria is never met. 427 */ 428 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 429 430 /** 431 * Whether verification is enabled by default. 432 */ 433 private static final boolean DEFAULT_VERIFY_ENABLE = true; 434 435 /** 436 * The default maximum time to wait for the verification agent to return in 437 * milliseconds. 438 */ 439 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 440 441 /** 442 * The default response for package verification timeout. 443 * 444 * This can be either PackageManager.VERIFICATION_ALLOW or 445 * PackageManager.VERIFICATION_REJECT. 446 */ 447 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 448 449 static final String PLATFORM_PACKAGE_NAME = "android"; 450 451 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 452 453 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 454 DEFAULT_CONTAINER_PACKAGE, 455 "com.android.defcontainer.DefaultContainerService"); 456 457 private static final String KILL_APP_REASON_GIDS_CHANGED = 458 "permission grant or revoke changed gids"; 459 460 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 461 "permissions revoked"; 462 463 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 464 465 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 466 467 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 468 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 469 470 /** Permission grant: not grant the permission. */ 471 private static final int GRANT_DENIED = 1; 472 473 /** Permission grant: grant the permission as an install permission. */ 474 private static final int GRANT_INSTALL = 2; 475 476 /** Permission grant: grant the permission as a runtime one. */ 477 private static final int GRANT_RUNTIME = 3; 478 479 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 480 private static final int GRANT_UPGRADE = 4; 481 482 /** Canonical intent used to identify what counts as a "web browser" app */ 483 private static final Intent sBrowserIntent; 484 static { 485 sBrowserIntent = new Intent(); 486 sBrowserIntent.setAction(Intent.ACTION_VIEW); 487 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 488 sBrowserIntent.setData(Uri.parse("http:")); 489 } 490 491 /** 492 * The set of all protected actions [i.e. those actions for which a high priority 493 * intent filter is disallowed]. 494 */ 495 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 496 static { 497 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 498 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 499 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 500 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 501 } 502 503 // Compilation reasons. 504 public static final int REASON_FIRST_BOOT = 0; 505 public static final int REASON_BOOT = 1; 506 public static final int REASON_INSTALL = 2; 507 public static final int REASON_BACKGROUND_DEXOPT = 3; 508 public static final int REASON_AB_OTA = 4; 509 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 510 public static final int REASON_SHARED_APK = 6; 511 public static final int REASON_FORCED_DEXOPT = 7; 512 public static final int REASON_CORE_APP = 8; 513 514 public static final int REASON_LAST = REASON_CORE_APP; 515 516 /** Special library name that skips shared libraries check during compilation. */ 517 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 518 519 final ServiceThread mHandlerThread; 520 521 final PackageHandler mHandler; 522 523 private final ProcessLoggingHandler mProcessLoggingHandler; 524 525 /** 526 * Messages for {@link #mHandler} that need to wait for system ready before 527 * being dispatched. 528 */ 529 private ArrayList<Message> mPostSystemReadyMessages; 530 531 final int mSdkVersion = Build.VERSION.SDK_INT; 532 533 final Context mContext; 534 final boolean mFactoryTest; 535 final boolean mOnlyCore; 536 final DisplayMetrics mMetrics; 537 final int mDefParseFlags; 538 final String[] mSeparateProcesses; 539 final boolean mIsUpgrade; 540 final boolean mIsPreNUpgrade; 541 542 /** The location for ASEC container files on internal storage. */ 543 final String mAsecInternalPath; 544 545 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 546 // LOCK HELD. Can be called with mInstallLock held. 547 @GuardedBy("mInstallLock") 548 final Installer mInstaller; 549 550 /** Directory where installed third-party apps stored */ 551 final File mAppInstallDir; 552 final File mEphemeralInstallDir; 553 554 /** 555 * Directory to which applications installed internally have their 556 * 32 bit native libraries copied. 557 */ 558 private File mAppLib32InstallDir; 559 560 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 561 // apps. 562 final File mDrmAppPrivateInstallDir; 563 564 // ---------------------------------------------------------------- 565 566 // Lock for state used when installing and doing other long running 567 // operations. Methods that must be called with this lock held have 568 // the suffix "LI". 569 final Object mInstallLock = new Object(); 570 571 // ---------------------------------------------------------------- 572 573 // Keys are String (package name), values are Package. This also serves 574 // as the lock for the global state. Methods that must be called with 575 // this lock held have the prefix "LP". 576 @GuardedBy("mPackages") 577 final ArrayMap<String, PackageParser.Package> mPackages = 578 new ArrayMap<String, PackageParser.Package>(); 579 580 final ArrayMap<String, Set<String>> mKnownCodebase = 581 new ArrayMap<String, Set<String>>(); 582 583 // Tracks available target package names -> overlay package paths. 584 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 585 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 586 587 /** 588 * Tracks new system packages [received in an OTA] that we expect to 589 * find updated user-installed versions. Keys are package name, values 590 * are package location. 591 */ 592 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 593 /** 594 * Tracks high priority intent filters for protected actions. During boot, certain 595 * filter actions are protected and should never be allowed to have a high priority 596 * intent filter for them. However, there is one, and only one exception -- the 597 * setup wizard. It must be able to define a high priority intent filter for these 598 * actions to ensure there are no escapes from the wizard. We need to delay processing 599 * of these during boot as we need to look at all of the system packages in order 600 * to know which component is the setup wizard. 601 */ 602 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 603 /** 604 * Whether or not processing protected filters should be deferred. 605 */ 606 private boolean mDeferProtectedFilters = true; 607 608 /** 609 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 610 */ 611 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 612 /** 613 * Whether or not system app permissions should be promoted from install to runtime. 614 */ 615 boolean mPromoteSystemApps; 616 617 @GuardedBy("mPackages") 618 final Settings mSettings; 619 620 /** 621 * Set of package names that are currently "frozen", which means active 622 * surgery is being done on the code/data for that package. The platform 623 * will refuse to launch frozen packages to avoid race conditions. 624 * 625 * @see PackageFreezer 626 */ 627 @GuardedBy("mPackages") 628 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 629 630 final ProtectedPackages mProtectedPackages; 631 632 boolean mFirstBoot; 633 634 // System configuration read by SystemConfig. 635 final int[] mGlobalGids; 636 final SparseArray<ArraySet<String>> mSystemPermissions; 637 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 638 639 // If mac_permissions.xml was found for seinfo labeling. 640 boolean mFoundPolicyFile; 641 642 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 643 644 public static final class SharedLibraryEntry { 645 public final String path; 646 public final String apk; 647 648 SharedLibraryEntry(String _path, String _apk) { 649 path = _path; 650 apk = _apk; 651 } 652 } 653 654 // Currently known shared libraries. 655 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 656 new ArrayMap<String, SharedLibraryEntry>(); 657 658 // All available activities, for your resolving pleasure. 659 final ActivityIntentResolver mActivities = 660 new ActivityIntentResolver(); 661 662 // All available receivers, for your resolving pleasure. 663 final ActivityIntentResolver mReceivers = 664 new ActivityIntentResolver(); 665 666 // All available services, for your resolving pleasure. 667 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 668 669 // All available providers, for your resolving pleasure. 670 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 671 672 // Mapping from provider base names (first directory in content URI codePath) 673 // to the provider information. 674 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 675 new ArrayMap<String, PackageParser.Provider>(); 676 677 // Mapping from instrumentation class names to info about them. 678 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 679 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 680 681 // Mapping from permission names to info about them. 682 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 683 new ArrayMap<String, PackageParser.PermissionGroup>(); 684 685 // Packages whose data we have transfered into another package, thus 686 // should no longer exist. 687 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 688 689 // Broadcast actions that are only available to the system. 690 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 691 692 /** List of packages waiting for verification. */ 693 final SparseArray<PackageVerificationState> mPendingVerification 694 = new SparseArray<PackageVerificationState>(); 695 696 /** Set of packages associated with each app op permission. */ 697 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 698 699 final PackageInstallerService mInstallerService; 700 701 private final PackageDexOptimizer mPackageDexOptimizer; 702 703 private AtomicInteger mNextMoveId = new AtomicInteger(); 704 private final MoveCallbacks mMoveCallbacks; 705 706 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 707 708 // Cache of users who need badging. 709 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 710 711 /** Token for keys in mPendingVerification. */ 712 private int mPendingVerificationToken = 0; 713 714 volatile boolean mSystemReady; 715 volatile boolean mSafeMode; 716 volatile boolean mHasSystemUidErrors; 717 718 ApplicationInfo mAndroidApplication; 719 final ActivityInfo mResolveActivity = new ActivityInfo(); 720 final ResolveInfo mResolveInfo = new ResolveInfo(); 721 ComponentName mResolveComponentName; 722 PackageParser.Package mPlatformPackage; 723 ComponentName mCustomResolverComponentName; 724 725 boolean mResolverReplaced = false; 726 727 private final @Nullable ComponentName mIntentFilterVerifierComponent; 728 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 729 730 private int mIntentFilterVerificationToken = 0; 731 732 /** Component that knows whether or not an ephemeral application exists */ 733 final ComponentName mEphemeralResolverComponent; 734 /** The service connection to the ephemeral resolver */ 735 final EphemeralResolverConnection mEphemeralResolverConnection; 736 737 /** Component used to install ephemeral applications */ 738 final ComponentName mEphemeralInstallerComponent; 739 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 740 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 741 742 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 743 = new SparseArray<IntentFilterVerificationState>(); 744 745 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 746 new DefaultPermissionGrantPolicy(this); 747 748 // List of packages names to keep cached, even if they are uninstalled for all users 749 private List<String> mKeepUninstalledPackages; 750 751 private UserManagerInternal mUserManagerInternal; 752 753 private static class IFVerificationParams { 754 PackageParser.Package pkg; 755 boolean replacing; 756 int userId; 757 int verifierUid; 758 759 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 760 int _userId, int _verifierUid) { 761 pkg = _pkg; 762 replacing = _replacing; 763 userId = _userId; 764 replacing = _replacing; 765 verifierUid = _verifierUid; 766 } 767 } 768 769 private interface IntentFilterVerifier<T extends IntentFilter> { 770 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 771 T filter, String packageName); 772 void startVerifications(int userId); 773 void receiveVerificationResponse(int verificationId); 774 } 775 776 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 777 private Context mContext; 778 private ComponentName mIntentFilterVerifierComponent; 779 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 780 781 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 782 mContext = context; 783 mIntentFilterVerifierComponent = verifierComponent; 784 } 785 786 private String getDefaultScheme() { 787 return IntentFilter.SCHEME_HTTPS; 788 } 789 790 @Override 791 public void startVerifications(int userId) { 792 // Launch verifications requests 793 int count = mCurrentIntentFilterVerifications.size(); 794 for (int n=0; n<count; n++) { 795 int verificationId = mCurrentIntentFilterVerifications.get(n); 796 final IntentFilterVerificationState ivs = 797 mIntentFilterVerificationStates.get(verificationId); 798 799 String packageName = ivs.getPackageName(); 800 801 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 802 final int filterCount = filters.size(); 803 ArraySet<String> domainsSet = new ArraySet<>(); 804 for (int m=0; m<filterCount; m++) { 805 PackageParser.ActivityIntentInfo filter = filters.get(m); 806 domainsSet.addAll(filter.getHostsList()); 807 } 808 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 809 synchronized (mPackages) { 810 if (mSettings.createIntentFilterVerificationIfNeededLPw( 811 packageName, domainsList) != null) { 812 scheduleWriteSettingsLocked(); 813 } 814 } 815 sendVerificationRequest(userId, verificationId, ivs); 816 } 817 mCurrentIntentFilterVerifications.clear(); 818 } 819 820 private void sendVerificationRequest(int userId, int verificationId, 821 IntentFilterVerificationState ivs) { 822 823 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 824 verificationIntent.putExtra( 825 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 826 verificationId); 827 verificationIntent.putExtra( 828 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 829 getDefaultScheme()); 830 verificationIntent.putExtra( 831 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 832 ivs.getHostsString()); 833 verificationIntent.putExtra( 834 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 835 ivs.getPackageName()); 836 verificationIntent.setComponent(mIntentFilterVerifierComponent); 837 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 838 839 UserHandle user = new UserHandle(userId); 840 mContext.sendBroadcastAsUser(verificationIntent, user); 841 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 842 "Sending IntentFilter verification broadcast"); 843 } 844 845 public void receiveVerificationResponse(int verificationId) { 846 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 847 848 final boolean verified = ivs.isVerified(); 849 850 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 851 final int count = filters.size(); 852 if (DEBUG_DOMAIN_VERIFICATION) { 853 Slog.i(TAG, "Received verification response " + verificationId 854 + " for " + count + " filters, verified=" + verified); 855 } 856 for (int n=0; n<count; n++) { 857 PackageParser.ActivityIntentInfo filter = filters.get(n); 858 filter.setVerified(verified); 859 860 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 861 + " verified with result:" + verified + " and hosts:" 862 + ivs.getHostsString()); 863 } 864 865 mIntentFilterVerificationStates.remove(verificationId); 866 867 final String packageName = ivs.getPackageName(); 868 IntentFilterVerificationInfo ivi = null; 869 870 synchronized (mPackages) { 871 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 872 } 873 if (ivi == null) { 874 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 875 + verificationId + " packageName:" + packageName); 876 return; 877 } 878 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 879 "Updating IntentFilterVerificationInfo for package " + packageName 880 +" verificationId:" + verificationId); 881 882 synchronized (mPackages) { 883 if (verified) { 884 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 885 } else { 886 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 887 } 888 scheduleWriteSettingsLocked(); 889 890 final int userId = ivs.getUserId(); 891 if (userId != UserHandle.USER_ALL) { 892 final int userStatus = 893 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 894 895 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 896 boolean needUpdate = false; 897 898 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 899 // already been set by the User thru the Disambiguation dialog 900 switch (userStatus) { 901 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 902 if (verified) { 903 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 904 } else { 905 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 906 } 907 needUpdate = true; 908 break; 909 910 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 911 if (verified) { 912 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 913 needUpdate = true; 914 } 915 break; 916 917 default: 918 // Nothing to do 919 } 920 921 if (needUpdate) { 922 mSettings.updateIntentFilterVerificationStatusLPw( 923 packageName, updatedStatus, userId); 924 scheduleWritePackageRestrictionsLocked(userId); 925 } 926 } 927 } 928 } 929 930 @Override 931 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 932 ActivityIntentInfo filter, String packageName) { 933 if (!hasValidDomains(filter)) { 934 return false; 935 } 936 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 937 if (ivs == null) { 938 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 939 packageName); 940 } 941 if (DEBUG_DOMAIN_VERIFICATION) { 942 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 943 } 944 ivs.addFilter(filter); 945 return true; 946 } 947 948 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 949 int userId, int verificationId, String packageName) { 950 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 951 verifierUid, userId, packageName); 952 ivs.setPendingState(); 953 synchronized (mPackages) { 954 mIntentFilterVerificationStates.append(verificationId, ivs); 955 mCurrentIntentFilterVerifications.add(verificationId); 956 } 957 return ivs; 958 } 959 } 960 961 private static boolean hasValidDomains(ActivityIntentInfo filter) { 962 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 963 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 964 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 965 } 966 967 // Set of pending broadcasts for aggregating enable/disable of components. 968 static class PendingPackageBroadcasts { 969 // for each user id, a map of <package name -> components within that package> 970 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 971 972 public PendingPackageBroadcasts() { 973 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 974 } 975 976 public ArrayList<String> get(int userId, String packageName) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 return packages.get(packageName); 979 } 980 981 public void put(int userId, String packageName, ArrayList<String> components) { 982 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 983 packages.put(packageName, components); 984 } 985 986 public void remove(int userId, String packageName) { 987 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 988 if (packages != null) { 989 packages.remove(packageName); 990 } 991 } 992 993 public void remove(int userId) { 994 mUidMap.remove(userId); 995 } 996 997 public int userIdCount() { 998 return mUidMap.size(); 999 } 1000 1001 public int userIdAt(int n) { 1002 return mUidMap.keyAt(n); 1003 } 1004 1005 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1006 return mUidMap.get(userId); 1007 } 1008 1009 public int size() { 1010 // total number of pending broadcast entries across all userIds 1011 int num = 0; 1012 for (int i = 0; i< mUidMap.size(); i++) { 1013 num += mUidMap.valueAt(i).size(); 1014 } 1015 return num; 1016 } 1017 1018 public void clear() { 1019 mUidMap.clear(); 1020 } 1021 1022 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1023 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1024 if (map == null) { 1025 map = new ArrayMap<String, ArrayList<String>>(); 1026 mUidMap.put(userId, map); 1027 } 1028 return map; 1029 } 1030 } 1031 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1032 1033 // Service Connection to remote media container service to copy 1034 // package uri's from external media onto secure containers 1035 // or internal storage. 1036 private IMediaContainerService mContainerService = null; 1037 1038 static final int SEND_PENDING_BROADCAST = 1; 1039 static final int MCS_BOUND = 3; 1040 static final int END_COPY = 4; 1041 static final int INIT_COPY = 5; 1042 static final int MCS_UNBIND = 6; 1043 static final int START_CLEANING_PACKAGE = 7; 1044 static final int FIND_INSTALL_LOC = 8; 1045 static final int POST_INSTALL = 9; 1046 static final int MCS_RECONNECT = 10; 1047 static final int MCS_GIVE_UP = 11; 1048 static final int UPDATED_MEDIA_STATUS = 12; 1049 static final int WRITE_SETTINGS = 13; 1050 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1051 static final int PACKAGE_VERIFIED = 15; 1052 static final int CHECK_PENDING_VERIFICATION = 16; 1053 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1054 static final int INTENT_FILTER_VERIFIED = 18; 1055 static final int WRITE_PACKAGE_LIST = 19; 1056 1057 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1058 1059 // Delay time in millisecs 1060 static final int BROADCAST_DELAY = 10 * 1000; 1061 1062 static UserManagerService sUserManager; 1063 1064 // Stores a list of users whose package restrictions file needs to be updated 1065 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1066 1067 final private DefaultContainerConnection mDefContainerConn = 1068 new DefaultContainerConnection(); 1069 class DefaultContainerConnection implements ServiceConnection { 1070 public void onServiceConnected(ComponentName name, IBinder service) { 1071 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1072 IMediaContainerService imcs = 1073 IMediaContainerService.Stub.asInterface(service); 1074 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1075 } 1076 1077 public void onServiceDisconnected(ComponentName name) { 1078 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1079 } 1080 } 1081 1082 // Recordkeeping of restore-after-install operations that are currently in flight 1083 // between the Package Manager and the Backup Manager 1084 static class PostInstallData { 1085 public InstallArgs args; 1086 public PackageInstalledInfo res; 1087 1088 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1089 args = _a; 1090 res = _r; 1091 } 1092 } 1093 1094 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1095 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1096 1097 // XML tags for backup/restore of various bits of state 1098 private static final String TAG_PREFERRED_BACKUP = "pa"; 1099 private static final String TAG_DEFAULT_APPS = "da"; 1100 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1101 1102 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1103 private static final String TAG_ALL_GRANTS = "rt-grants"; 1104 private static final String TAG_GRANT = "grant"; 1105 private static final String ATTR_PACKAGE_NAME = "pkg"; 1106 1107 private static final String TAG_PERMISSION = "perm"; 1108 private static final String ATTR_PERMISSION_NAME = "name"; 1109 private static final String ATTR_IS_GRANTED = "g"; 1110 private static final String ATTR_USER_SET = "set"; 1111 private static final String ATTR_USER_FIXED = "fixed"; 1112 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1113 1114 // System/policy permission grants are not backed up 1115 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1116 FLAG_PERMISSION_POLICY_FIXED 1117 | FLAG_PERMISSION_SYSTEM_FIXED 1118 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1119 1120 // And we back up these user-adjusted states 1121 private static final int USER_RUNTIME_GRANT_MASK = 1122 FLAG_PERMISSION_USER_SET 1123 | FLAG_PERMISSION_USER_FIXED 1124 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1125 1126 final @Nullable String mRequiredVerifierPackage; 1127 final @NonNull String mRequiredInstallerPackage; 1128 final @Nullable String mSetupWizardPackage; 1129 final @NonNull String mServicesSystemSharedLibraryPackageName; 1130 final @NonNull String mSharedSystemSharedLibraryPackageName; 1131 1132 private final PackageUsage mPackageUsage = new PackageUsage(); 1133 1134 private class PackageUsage { 1135 private static final int WRITE_INTERVAL 1136 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1137 1138 private final Object mFileLock = new Object(); 1139 private final AtomicLong mLastWritten = new AtomicLong(0); 1140 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1141 1142 private boolean mIsHistoricalPackageUsageAvailable = true; 1143 1144 boolean isHistoricalPackageUsageAvailable() { 1145 return mIsHistoricalPackageUsageAvailable; 1146 } 1147 1148 void write(boolean force) { 1149 if (force) { 1150 writeInternal(); 1151 return; 1152 } 1153 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1154 && !DEBUG_DEXOPT) { 1155 return; 1156 } 1157 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1158 new Thread("PackageUsage_DiskWriter") { 1159 @Override 1160 public void run() { 1161 try { 1162 writeInternal(); 1163 } finally { 1164 mBackgroundWriteRunning.set(false); 1165 } 1166 } 1167 }.start(); 1168 } 1169 } 1170 1171 private void writeInternal() { 1172 synchronized (mPackages) { 1173 synchronized (mFileLock) { 1174 AtomicFile file = getFile(); 1175 FileOutputStream f = null; 1176 try { 1177 f = file.startWrite(); 1178 BufferedOutputStream out = new BufferedOutputStream(f); 1179 FileUtils.setPermissions(file.getBaseFile().getPath(), 1180 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1181 StringBuilder sb = new StringBuilder(); 1182 1183 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1184 sb.append('\n'); 1185 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1186 1187 for (PackageParser.Package pkg : mPackages.values()) { 1188 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1189 continue; 1190 } 1191 sb.setLength(0); 1192 sb.append(pkg.packageName); 1193 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1194 sb.append(' '); 1195 sb.append(usageTimeInMillis); 1196 } 1197 sb.append('\n'); 1198 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1199 } 1200 out.flush(); 1201 file.finishWrite(f); 1202 } catch (IOException e) { 1203 if (f != null) { 1204 file.failWrite(f); 1205 } 1206 Log.e(TAG, "Failed to write package usage times", e); 1207 } 1208 } 1209 } 1210 mLastWritten.set(SystemClock.elapsedRealtime()); 1211 } 1212 1213 void readLP() { 1214 synchronized (mFileLock) { 1215 AtomicFile file = getFile(); 1216 BufferedInputStream in = null; 1217 try { 1218 in = new BufferedInputStream(file.openRead()); 1219 StringBuffer sb = new StringBuffer(); 1220 1221 String firstLine = readLine(in, sb); 1222 if (firstLine == null) { 1223 // Empty file. Do nothing. 1224 } else if (USAGE_FILE_MAGIC_VERSION_1.equals(firstLine)) { 1225 readVersion1LP(in, sb); 1226 } else { 1227 readVersion0LP(in, sb, firstLine); 1228 } 1229 } catch (FileNotFoundException expected) { 1230 mIsHistoricalPackageUsageAvailable = false; 1231 } catch (IOException e) { 1232 Log.w(TAG, "Failed to read package usage times", e); 1233 } finally { 1234 IoUtils.closeQuietly(in); 1235 } 1236 } 1237 mLastWritten.set(SystemClock.elapsedRealtime()); 1238 } 1239 1240 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1241 throws IOException { 1242 // Initial version of the file had no version number and stored one 1243 // package-timestamp pair per line. 1244 // Note that the first line has already been read from the InputStream. 1245 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1246 String[] tokens = line.split(" "); 1247 if (tokens.length != 2) { 1248 throw new IOException("Failed to parse " + line + 1249 " as package-timestamp pair."); 1250 } 1251 1252 String packageName = tokens[0]; 1253 PackageParser.Package pkg = mPackages.get(packageName); 1254 if (pkg == null) { 1255 continue; 1256 } 1257 1258 long timestamp = parseAsLong(tokens[1]); 1259 for (int reason = 0; 1260 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1261 reason++) { 1262 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1263 } 1264 } 1265 } 1266 1267 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1268 // Version 1 of the file started with the corresponding version 1269 // number and then stored a package name and eight timestamps per line. 1270 String line; 1271 while ((line = readLine(in, sb)) != null) { 1272 String[] tokens = line.split(" "); 1273 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1274 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1275 } 1276 1277 String packageName = tokens[0]; 1278 PackageParser.Package pkg = mPackages.get(packageName); 1279 if (pkg == null) { 1280 continue; 1281 } 1282 1283 for (int reason = 0; 1284 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1285 reason++) { 1286 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1287 } 1288 } 1289 } 1290 1291 private long parseAsLong(String token) throws IOException { 1292 try { 1293 return Long.parseLong(token); 1294 } catch (NumberFormatException e) { 1295 throw new IOException("Failed to parse " + token + " as a long.", e); 1296 } 1297 } 1298 1299 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1300 return readToken(in, sb, '\n'); 1301 } 1302 1303 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1304 throws IOException { 1305 sb.setLength(0); 1306 while (true) { 1307 int ch = in.read(); 1308 if (ch == -1) { 1309 if (sb.length() == 0) { 1310 return null; 1311 } 1312 throw new IOException("Unexpected EOF"); 1313 } 1314 if (ch == endOfToken) { 1315 return sb.toString(); 1316 } 1317 sb.append((char)ch); 1318 } 1319 } 1320 1321 private AtomicFile getFile() { 1322 File dataDir = Environment.getDataDirectory(); 1323 File systemDir = new File(dataDir, "system"); 1324 File fname = new File(systemDir, "package-usage.list"); 1325 return new AtomicFile(fname); 1326 } 1327 1328 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1329 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1330 } 1331 1332 class PackageHandler extends Handler { 1333 private boolean mBound = false; 1334 final ArrayList<HandlerParams> mPendingInstalls = 1335 new ArrayList<HandlerParams>(); 1336 1337 private boolean connectToService() { 1338 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1339 " DefaultContainerService"); 1340 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1341 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1342 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1343 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1344 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1345 mBound = true; 1346 return true; 1347 } 1348 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1349 return false; 1350 } 1351 1352 private void disconnectService() { 1353 mContainerService = null; 1354 mBound = false; 1355 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1356 mContext.unbindService(mDefContainerConn); 1357 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1358 } 1359 1360 PackageHandler(Looper looper) { 1361 super(looper); 1362 } 1363 1364 public void handleMessage(Message msg) { 1365 try { 1366 doHandleMessage(msg); 1367 } finally { 1368 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1369 } 1370 } 1371 1372 void doHandleMessage(Message msg) { 1373 switch (msg.what) { 1374 case INIT_COPY: { 1375 HandlerParams params = (HandlerParams) msg.obj; 1376 int idx = mPendingInstalls.size(); 1377 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1378 // If a bind was already initiated we dont really 1379 // need to do anything. The pending install 1380 // will be processed later on. 1381 if (!mBound) { 1382 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1383 System.identityHashCode(mHandler)); 1384 // If this is the only one pending we might 1385 // have to bind to the service again. 1386 if (!connectToService()) { 1387 Slog.e(TAG, "Failed to bind to media container service"); 1388 params.serviceError(); 1389 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1390 System.identityHashCode(mHandler)); 1391 if (params.traceMethod != null) { 1392 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1393 params.traceCookie); 1394 } 1395 return; 1396 } else { 1397 // Once we bind to the service, the first 1398 // pending request will be processed. 1399 mPendingInstalls.add(idx, params); 1400 } 1401 } else { 1402 mPendingInstalls.add(idx, params); 1403 // Already bound to the service. Just make 1404 // sure we trigger off processing the first request. 1405 if (idx == 0) { 1406 mHandler.sendEmptyMessage(MCS_BOUND); 1407 } 1408 } 1409 break; 1410 } 1411 case MCS_BOUND: { 1412 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1413 if (msg.obj != null) { 1414 mContainerService = (IMediaContainerService) msg.obj; 1415 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1416 System.identityHashCode(mHandler)); 1417 } 1418 if (mContainerService == null) { 1419 if (!mBound) { 1420 // Something seriously wrong since we are not bound and we are not 1421 // waiting for connection. Bail out. 1422 Slog.e(TAG, "Cannot bind to media container service"); 1423 for (HandlerParams params : mPendingInstalls) { 1424 // Indicate service bind error 1425 params.serviceError(); 1426 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1427 System.identityHashCode(params)); 1428 if (params.traceMethod != null) { 1429 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1430 params.traceMethod, params.traceCookie); 1431 } 1432 return; 1433 } 1434 mPendingInstalls.clear(); 1435 } else { 1436 Slog.w(TAG, "Waiting to connect to media container service"); 1437 } 1438 } else if (mPendingInstalls.size() > 0) { 1439 HandlerParams params = mPendingInstalls.get(0); 1440 if (params != null) { 1441 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1442 System.identityHashCode(params)); 1443 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1444 if (params.startCopy()) { 1445 // We are done... look for more work or to 1446 // go idle. 1447 if (DEBUG_SD_INSTALL) Log.i(TAG, 1448 "Checking for more work or unbind..."); 1449 // Delete pending install 1450 if (mPendingInstalls.size() > 0) { 1451 mPendingInstalls.remove(0); 1452 } 1453 if (mPendingInstalls.size() == 0) { 1454 if (mBound) { 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, 1456 "Posting delayed MCS_UNBIND"); 1457 removeMessages(MCS_UNBIND); 1458 Message ubmsg = obtainMessage(MCS_UNBIND); 1459 // Unbind after a little delay, to avoid 1460 // continual thrashing. 1461 sendMessageDelayed(ubmsg, 10000); 1462 } 1463 } else { 1464 // There are more pending requests in queue. 1465 // Just post MCS_BOUND message to trigger processing 1466 // of next pending install. 1467 if (DEBUG_SD_INSTALL) Log.i(TAG, 1468 "Posting MCS_BOUND for next work"); 1469 mHandler.sendEmptyMessage(MCS_BOUND); 1470 } 1471 } 1472 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1473 } 1474 } else { 1475 // Should never happen ideally. 1476 Slog.w(TAG, "Empty queue"); 1477 } 1478 break; 1479 } 1480 case MCS_RECONNECT: { 1481 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1482 if (mPendingInstalls.size() > 0) { 1483 if (mBound) { 1484 disconnectService(); 1485 } 1486 if (!connectToService()) { 1487 Slog.e(TAG, "Failed to bind to media container service"); 1488 for (HandlerParams params : mPendingInstalls) { 1489 // Indicate service bind error 1490 params.serviceError(); 1491 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1492 System.identityHashCode(params)); 1493 } 1494 mPendingInstalls.clear(); 1495 } 1496 } 1497 break; 1498 } 1499 case MCS_UNBIND: { 1500 // If there is no actual work left, then time to unbind. 1501 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1502 1503 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1504 if (mBound) { 1505 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1506 1507 disconnectService(); 1508 } 1509 } else if (mPendingInstalls.size() > 0) { 1510 // There are more pending requests in queue. 1511 // Just post MCS_BOUND message to trigger processing 1512 // of next pending install. 1513 mHandler.sendEmptyMessage(MCS_BOUND); 1514 } 1515 1516 break; 1517 } 1518 case MCS_GIVE_UP: { 1519 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1520 HandlerParams params = mPendingInstalls.remove(0); 1521 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1522 System.identityHashCode(params)); 1523 break; 1524 } 1525 case SEND_PENDING_BROADCAST: { 1526 String packages[]; 1527 ArrayList<String> components[]; 1528 int size = 0; 1529 int uids[]; 1530 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1531 synchronized (mPackages) { 1532 if (mPendingBroadcasts == null) { 1533 return; 1534 } 1535 size = mPendingBroadcasts.size(); 1536 if (size <= 0) { 1537 // Nothing to be done. Just return 1538 return; 1539 } 1540 packages = new String[size]; 1541 components = new ArrayList[size]; 1542 uids = new int[size]; 1543 int i = 0; // filling out the above arrays 1544 1545 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1546 int packageUserId = mPendingBroadcasts.userIdAt(n); 1547 Iterator<Map.Entry<String, ArrayList<String>>> it 1548 = mPendingBroadcasts.packagesForUserId(packageUserId) 1549 .entrySet().iterator(); 1550 while (it.hasNext() && i < size) { 1551 Map.Entry<String, ArrayList<String>> ent = it.next(); 1552 packages[i] = ent.getKey(); 1553 components[i] = ent.getValue(); 1554 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1555 uids[i] = (ps != null) 1556 ? UserHandle.getUid(packageUserId, ps.appId) 1557 : -1; 1558 i++; 1559 } 1560 } 1561 size = i; 1562 mPendingBroadcasts.clear(); 1563 } 1564 // Send broadcasts 1565 for (int i = 0; i < size; i++) { 1566 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1567 } 1568 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1569 break; 1570 } 1571 case START_CLEANING_PACKAGE: { 1572 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1573 final String packageName = (String)msg.obj; 1574 final int userId = msg.arg1; 1575 final boolean andCode = msg.arg2 != 0; 1576 synchronized (mPackages) { 1577 if (userId == UserHandle.USER_ALL) { 1578 int[] users = sUserManager.getUserIds(); 1579 for (int user : users) { 1580 mSettings.addPackageToCleanLPw( 1581 new PackageCleanItem(user, packageName, andCode)); 1582 } 1583 } else { 1584 mSettings.addPackageToCleanLPw( 1585 new PackageCleanItem(userId, packageName, andCode)); 1586 } 1587 } 1588 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1589 startCleaningPackages(); 1590 } break; 1591 case POST_INSTALL: { 1592 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1593 1594 PostInstallData data = mRunningInstalls.get(msg.arg1); 1595 final boolean didRestore = (msg.arg2 != 0); 1596 mRunningInstalls.delete(msg.arg1); 1597 1598 if (data != null) { 1599 InstallArgs args = data.args; 1600 PackageInstalledInfo parentRes = data.res; 1601 1602 final boolean grantPermissions = (args.installFlags 1603 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1604 final boolean killApp = (args.installFlags 1605 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1606 final String[] grantedPermissions = args.installGrantPermissions; 1607 1608 // Handle the parent package 1609 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1610 grantedPermissions, didRestore, args.installerPackageName, 1611 args.observer); 1612 1613 // Handle the child packages 1614 final int childCount = (parentRes.addedChildPackages != null) 1615 ? parentRes.addedChildPackages.size() : 0; 1616 for (int i = 0; i < childCount; i++) { 1617 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1618 handlePackagePostInstall(childRes, grantPermissions, killApp, 1619 grantedPermissions, false, args.installerPackageName, 1620 args.observer); 1621 } 1622 1623 // Log tracing if needed 1624 if (args.traceMethod != null) { 1625 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1626 args.traceCookie); 1627 } 1628 } else { 1629 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1630 } 1631 1632 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1633 } break; 1634 case UPDATED_MEDIA_STATUS: { 1635 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1636 boolean reportStatus = msg.arg1 == 1; 1637 boolean doGc = msg.arg2 == 1; 1638 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1639 if (doGc) { 1640 // Force a gc to clear up stale containers. 1641 Runtime.getRuntime().gc(); 1642 } 1643 if (msg.obj != null) { 1644 @SuppressWarnings("unchecked") 1645 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1646 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1647 // Unload containers 1648 unloadAllContainers(args); 1649 } 1650 if (reportStatus) { 1651 try { 1652 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1653 PackageHelper.getMountService().finishMediaUpdate(); 1654 } catch (RemoteException e) { 1655 Log.e(TAG, "MountService not running?"); 1656 } 1657 } 1658 } break; 1659 case WRITE_SETTINGS: { 1660 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1661 synchronized (mPackages) { 1662 removeMessages(WRITE_SETTINGS); 1663 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1664 mSettings.writeLPr(); 1665 mDirtyUsers.clear(); 1666 } 1667 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1668 } break; 1669 case WRITE_PACKAGE_RESTRICTIONS: { 1670 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1671 synchronized (mPackages) { 1672 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1673 for (int userId : mDirtyUsers) { 1674 mSettings.writePackageRestrictionsLPr(userId); 1675 } 1676 mDirtyUsers.clear(); 1677 } 1678 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1679 } break; 1680 case WRITE_PACKAGE_LIST: { 1681 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1682 synchronized (mPackages) { 1683 removeMessages(WRITE_PACKAGE_LIST); 1684 mSettings.writePackageListLPr(msg.arg1); 1685 } 1686 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1687 } break; 1688 case CHECK_PENDING_VERIFICATION: { 1689 final int verificationId = msg.arg1; 1690 final PackageVerificationState state = mPendingVerification.get(verificationId); 1691 1692 if ((state != null) && !state.timeoutExtended()) { 1693 final InstallArgs args = state.getInstallArgs(); 1694 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1695 1696 Slog.i(TAG, "Verification timed out for " + originUri); 1697 mPendingVerification.remove(verificationId); 1698 1699 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1700 1701 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1702 Slog.i(TAG, "Continuing with installation of " + originUri); 1703 state.setVerifierResponse(Binder.getCallingUid(), 1704 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1705 broadcastPackageVerified(verificationId, originUri, 1706 PackageManager.VERIFICATION_ALLOW, 1707 state.getInstallArgs().getUser()); 1708 try { 1709 ret = args.copyApk(mContainerService, true); 1710 } catch (RemoteException e) { 1711 Slog.e(TAG, "Could not contact the ContainerService"); 1712 } 1713 } else { 1714 broadcastPackageVerified(verificationId, originUri, 1715 PackageManager.VERIFICATION_REJECT, 1716 state.getInstallArgs().getUser()); 1717 } 1718 1719 Trace.asyncTraceEnd( 1720 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1721 1722 processPendingInstall(args, ret); 1723 mHandler.sendEmptyMessage(MCS_UNBIND); 1724 } 1725 break; 1726 } 1727 case PACKAGE_VERIFIED: { 1728 final int verificationId = msg.arg1; 1729 1730 final PackageVerificationState state = mPendingVerification.get(verificationId); 1731 if (state == null) { 1732 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1733 break; 1734 } 1735 1736 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1737 1738 state.setVerifierResponse(response.callerUid, response.code); 1739 1740 if (state.isVerificationComplete()) { 1741 mPendingVerification.remove(verificationId); 1742 1743 final InstallArgs args = state.getInstallArgs(); 1744 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1745 1746 int ret; 1747 if (state.isInstallAllowed()) { 1748 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1749 broadcastPackageVerified(verificationId, originUri, 1750 response.code, state.getInstallArgs().getUser()); 1751 try { 1752 ret = args.copyApk(mContainerService, true); 1753 } catch (RemoteException e) { 1754 Slog.e(TAG, "Could not contact the ContainerService"); 1755 } 1756 } else { 1757 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1758 } 1759 1760 Trace.asyncTraceEnd( 1761 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1762 1763 processPendingInstall(args, ret); 1764 mHandler.sendEmptyMessage(MCS_UNBIND); 1765 } 1766 1767 break; 1768 } 1769 case START_INTENT_FILTER_VERIFICATIONS: { 1770 IFVerificationParams params = (IFVerificationParams) msg.obj; 1771 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1772 params.replacing, params.pkg); 1773 break; 1774 } 1775 case INTENT_FILTER_VERIFIED: { 1776 final int verificationId = msg.arg1; 1777 1778 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1779 verificationId); 1780 if (state == null) { 1781 Slog.w(TAG, "Invalid IntentFilter verification token " 1782 + verificationId + " received"); 1783 break; 1784 } 1785 1786 final int userId = state.getUserId(); 1787 1788 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1789 "Processing IntentFilter verification with token:" 1790 + verificationId + " and userId:" + userId); 1791 1792 final IntentFilterVerificationResponse response = 1793 (IntentFilterVerificationResponse) msg.obj; 1794 1795 state.setVerifierResponse(response.callerUid, response.code); 1796 1797 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1798 "IntentFilter verification with token:" + verificationId 1799 + " and userId:" + userId 1800 + " is settings verifier response with response code:" 1801 + response.code); 1802 1803 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1804 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1805 + response.getFailedDomainsString()); 1806 } 1807 1808 if (state.isVerificationComplete()) { 1809 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1810 } else { 1811 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1812 "IntentFilter verification with token:" + verificationId 1813 + " was not said to be complete"); 1814 } 1815 1816 break; 1817 } 1818 } 1819 } 1820 } 1821 1822 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1823 boolean killApp, String[] grantedPermissions, 1824 boolean launchedForRestore, String installerPackage, 1825 IPackageInstallObserver2 installObserver) { 1826 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1827 // Send the removed broadcasts 1828 if (res.removedInfo != null) { 1829 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1830 } 1831 1832 // Now that we successfully installed the package, grant runtime 1833 // permissions if requested before broadcasting the install. 1834 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1835 >= Build.VERSION_CODES.M) { 1836 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1837 } 1838 1839 final boolean update = res.removedInfo != null 1840 && res.removedInfo.removedPackage != null; 1841 1842 // If this is the first time we have child packages for a disabled privileged 1843 // app that had no children, we grant requested runtime permissions to the new 1844 // children if the parent on the system image had them already granted. 1845 if (res.pkg.parentPackage != null) { 1846 synchronized (mPackages) { 1847 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1848 } 1849 } 1850 1851 synchronized (mPackages) { 1852 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1853 } 1854 1855 final String packageName = res.pkg.applicationInfo.packageName; 1856 Bundle extras = new Bundle(1); 1857 extras.putInt(Intent.EXTRA_UID, res.uid); 1858 1859 // Determine the set of users who are adding this package for 1860 // the first time vs. those who are seeing an update. 1861 int[] firstUsers = EMPTY_INT_ARRAY; 1862 int[] updateUsers = EMPTY_INT_ARRAY; 1863 if (res.origUsers == null || res.origUsers.length == 0) { 1864 firstUsers = res.newUsers; 1865 } else { 1866 for (int newUser : res.newUsers) { 1867 boolean isNew = true; 1868 for (int origUser : res.origUsers) { 1869 if (origUser == newUser) { 1870 isNew = false; 1871 break; 1872 } 1873 } 1874 if (isNew) { 1875 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1876 } else { 1877 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1878 } 1879 } 1880 } 1881 1882 // Send installed broadcasts if the install/update is not ephemeral 1883 if (!isEphemeral(res.pkg)) { 1884 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1885 1886 // Send added for users that see the package for the first time 1887 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1888 extras, 0 /*flags*/, null /*targetPackage*/, 1889 null /*finishedReceiver*/, firstUsers); 1890 1891 // Send added for users that don't see the package for the first time 1892 if (update) { 1893 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1894 } 1895 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1896 extras, 0 /*flags*/, null /*targetPackage*/, 1897 null /*finishedReceiver*/, updateUsers); 1898 1899 // Send replaced for users that don't see the package for the first time 1900 if (update) { 1901 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1902 packageName, extras, 0 /*flags*/, 1903 null /*targetPackage*/, null /*finishedReceiver*/, 1904 updateUsers); 1905 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1906 null /*package*/, null /*extras*/, 0 /*flags*/, 1907 packageName /*targetPackage*/, 1908 null /*finishedReceiver*/, updateUsers); 1909 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1910 // First-install and we did a restore, so we're responsible for the 1911 // first-launch broadcast. 1912 if (DEBUG_BACKUP) { 1913 Slog.i(TAG, "Post-restore of " + packageName 1914 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1915 } 1916 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1917 } 1918 1919 // Send broadcast package appeared if forward locked/external for all users 1920 // treat asec-hosted packages like removable media on upgrade 1921 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1922 if (DEBUG_INSTALL) { 1923 Slog.i(TAG, "upgrading pkg " + res.pkg 1924 + " is ASEC-hosted -> AVAILABLE"); 1925 } 1926 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1927 ArrayList<String> pkgList = new ArrayList<>(1); 1928 pkgList.add(packageName); 1929 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1930 } 1931 } 1932 1933 // Work that needs to happen on first install within each user 1934 if (firstUsers != null && firstUsers.length > 0) { 1935 synchronized (mPackages) { 1936 for (int userId : firstUsers) { 1937 // If this app is a browser and it's newly-installed for some 1938 // users, clear any default-browser state in those users. The 1939 // app's nature doesn't depend on the user, so we can just check 1940 // its browser nature in any user and generalize. 1941 if (packageIsBrowser(packageName, userId)) { 1942 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1943 } 1944 1945 // We may also need to apply pending (restored) runtime 1946 // permission grants within these users. 1947 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1948 } 1949 } 1950 } 1951 1952 // Log current value of "unknown sources" setting 1953 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1954 getUnknownSourcesSettings()); 1955 1956 // Force a gc to clear up things 1957 Runtime.getRuntime().gc(); 1958 1959 // Remove the replaced package's older resources safely now 1960 // We delete after a gc for applications on sdcard. 1961 if (res.removedInfo != null && res.removedInfo.args != null) { 1962 synchronized (mInstallLock) { 1963 res.removedInfo.args.doPostDeleteLI(true); 1964 } 1965 } 1966 } 1967 1968 // If someone is watching installs - notify them 1969 if (installObserver != null) { 1970 try { 1971 Bundle extras = extrasForInstallResult(res); 1972 installObserver.onPackageInstalled(res.name, res.returnCode, 1973 res.returnMsg, extras); 1974 } catch (RemoteException e) { 1975 Slog.i(TAG, "Observer no longer exists."); 1976 } 1977 } 1978 } 1979 1980 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1981 PackageParser.Package pkg) { 1982 if (pkg.parentPackage == null) { 1983 return; 1984 } 1985 if (pkg.requestedPermissions == null) { 1986 return; 1987 } 1988 final PackageSetting disabledSysParentPs = mSettings 1989 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1990 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1991 || !disabledSysParentPs.isPrivileged() 1992 || (disabledSysParentPs.childPackageNames != null 1993 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1994 return; 1995 } 1996 final int[] allUserIds = sUserManager.getUserIds(); 1997 final int permCount = pkg.requestedPermissions.size(); 1998 for (int i = 0; i < permCount; i++) { 1999 String permission = pkg.requestedPermissions.get(i); 2000 BasePermission bp = mSettings.mPermissions.get(permission); 2001 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 2002 continue; 2003 } 2004 for (int userId : allUserIds) { 2005 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2006 permission, userId)) { 2007 grantRuntimePermission(pkg.packageName, permission, userId); 2008 } 2009 } 2010 } 2011 } 2012 2013 private StorageEventListener mStorageListener = new StorageEventListener() { 2014 @Override 2015 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2016 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2017 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2018 final String volumeUuid = vol.getFsUuid(); 2019 2020 // Clean up any users or apps that were removed or recreated 2021 // while this volume was missing 2022 reconcileUsers(volumeUuid); 2023 reconcileApps(volumeUuid); 2024 2025 // Clean up any install sessions that expired or were 2026 // cancelled while this volume was missing 2027 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2028 2029 loadPrivatePackages(vol); 2030 2031 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2032 unloadPrivatePackages(vol); 2033 } 2034 } 2035 2036 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2037 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2038 updateExternalMediaStatus(true, false); 2039 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2040 updateExternalMediaStatus(false, false); 2041 } 2042 } 2043 } 2044 2045 @Override 2046 public void onVolumeForgotten(String fsUuid) { 2047 if (TextUtils.isEmpty(fsUuid)) { 2048 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2049 return; 2050 } 2051 2052 // Remove any apps installed on the forgotten volume 2053 synchronized (mPackages) { 2054 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2055 for (PackageSetting ps : packages) { 2056 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2057 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2058 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2059 } 2060 2061 mSettings.onVolumeForgotten(fsUuid); 2062 mSettings.writeLPr(); 2063 } 2064 } 2065 }; 2066 2067 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2068 String[] grantedPermissions) { 2069 for (int userId : userIds) { 2070 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2071 } 2072 2073 // We could have touched GID membership, so flush out packages.list 2074 synchronized (mPackages) { 2075 mSettings.writePackageListLPr(); 2076 } 2077 } 2078 2079 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2080 String[] grantedPermissions) { 2081 SettingBase sb = (SettingBase) pkg.mExtras; 2082 if (sb == null) { 2083 return; 2084 } 2085 2086 PermissionsState permissionsState = sb.getPermissionsState(); 2087 2088 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2089 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2090 2091 for (String permission : pkg.requestedPermissions) { 2092 final BasePermission bp; 2093 synchronized (mPackages) { 2094 bp = mSettings.mPermissions.get(permission); 2095 } 2096 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2097 && (grantedPermissions == null 2098 || ArrayUtils.contains(grantedPermissions, permission))) { 2099 final int flags = permissionsState.getPermissionFlags(permission, userId); 2100 // Installer cannot change immutable permissions. 2101 if ((flags & immutableFlags) == 0) { 2102 grantRuntimePermission(pkg.packageName, permission, userId); 2103 } 2104 } 2105 } 2106 } 2107 2108 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2109 Bundle extras = null; 2110 switch (res.returnCode) { 2111 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2112 extras = new Bundle(); 2113 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2114 res.origPermission); 2115 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2116 res.origPackage); 2117 break; 2118 } 2119 case PackageManager.INSTALL_SUCCEEDED: { 2120 extras = new Bundle(); 2121 extras.putBoolean(Intent.EXTRA_REPLACING, 2122 res.removedInfo != null && res.removedInfo.removedPackage != null); 2123 break; 2124 } 2125 } 2126 return extras; 2127 } 2128 2129 void scheduleWriteSettingsLocked() { 2130 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2131 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2132 } 2133 } 2134 2135 void scheduleWritePackageListLocked(int userId) { 2136 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2137 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2138 msg.arg1 = userId; 2139 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2140 } 2141 } 2142 2143 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2144 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2145 scheduleWritePackageRestrictionsLocked(userId); 2146 } 2147 2148 void scheduleWritePackageRestrictionsLocked(int userId) { 2149 final int[] userIds = (userId == UserHandle.USER_ALL) 2150 ? sUserManager.getUserIds() : new int[]{userId}; 2151 for (int nextUserId : userIds) { 2152 if (!sUserManager.exists(nextUserId)) return; 2153 mDirtyUsers.add(nextUserId); 2154 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2155 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2156 } 2157 } 2158 } 2159 2160 public static PackageManagerService main(Context context, Installer installer, 2161 boolean factoryTest, boolean onlyCore) { 2162 // Self-check for initial settings. 2163 PackageManagerServiceCompilerMapping.checkProperties(); 2164 2165 PackageManagerService m = new PackageManagerService(context, installer, 2166 factoryTest, onlyCore); 2167 m.enableSystemUserPackages(); 2168 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2169 // disabled after already being started. 2170 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2171 UserHandle.USER_SYSTEM); 2172 ServiceManager.addService("package", m); 2173 return m; 2174 } 2175 2176 private void enableSystemUserPackages() { 2177 if (!UserManager.isSplitSystemUser()) { 2178 return; 2179 } 2180 // For system user, enable apps based on the following conditions: 2181 // - app is whitelisted or belong to one of these groups: 2182 // -- system app which has no launcher icons 2183 // -- system app which has INTERACT_ACROSS_USERS permission 2184 // -- system IME app 2185 // - app is not in the blacklist 2186 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2187 Set<String> enableApps = new ArraySet<>(); 2188 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2189 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2190 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2191 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2192 enableApps.addAll(wlApps); 2193 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2194 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2195 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2196 enableApps.removeAll(blApps); 2197 Log.i(TAG, "Applications installed for system user: " + enableApps); 2198 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2199 UserHandle.SYSTEM); 2200 final int allAppsSize = allAps.size(); 2201 synchronized (mPackages) { 2202 for (int i = 0; i < allAppsSize; i++) { 2203 String pName = allAps.get(i); 2204 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2205 // Should not happen, but we shouldn't be failing if it does 2206 if (pkgSetting == null) { 2207 continue; 2208 } 2209 boolean install = enableApps.contains(pName); 2210 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2211 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2212 + " for system user"); 2213 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2214 } 2215 } 2216 } 2217 } 2218 2219 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2220 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2221 Context.DISPLAY_SERVICE); 2222 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2223 } 2224 2225 /** 2226 * Requests that files preopted on a secondary system partition be copied to the data partition 2227 * if possible. Note that the actual copying of the files is accomplished by init for security 2228 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2229 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2230 */ 2231 private static void requestCopyPreoptedFiles() { 2232 final int WAIT_TIME_MS = 100; 2233 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2234 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2235 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2236 // We will wait for up to 100 seconds. 2237 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2238 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2239 try { 2240 Thread.sleep(WAIT_TIME_MS); 2241 } catch (InterruptedException e) { 2242 // Do nothing 2243 } 2244 if (SystemClock.uptimeMillis() > timeEnd) { 2245 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2246 Slog.wtf(TAG, "cppreopt did not finish!"); 2247 break; 2248 } 2249 } 2250 } 2251 } 2252 2253 public PackageManagerService(Context context, Installer installer, 2254 boolean factoryTest, boolean onlyCore) { 2255 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2256 SystemClock.uptimeMillis()); 2257 2258 if (mSdkVersion <= 0) { 2259 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2260 } 2261 2262 mContext = context; 2263 mFactoryTest = factoryTest; 2264 mOnlyCore = onlyCore; 2265 mMetrics = new DisplayMetrics(); 2266 mSettings = new Settings(mPackages); 2267 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2268 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2269 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2270 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2271 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2272 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2273 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2274 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2275 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2276 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2277 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2278 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2279 2280 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2281 if (separateProcesses != null && separateProcesses.length() > 0) { 2282 if ("*".equals(separateProcesses)) { 2283 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2284 mSeparateProcesses = null; 2285 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2286 } else { 2287 mDefParseFlags = 0; 2288 mSeparateProcesses = separateProcesses.split(","); 2289 Slog.w(TAG, "Running with debug.separate_processes: " 2290 + separateProcesses); 2291 } 2292 } else { 2293 mDefParseFlags = 0; 2294 mSeparateProcesses = null; 2295 } 2296 2297 mInstaller = installer; 2298 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2299 "*dexopt*"); 2300 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2301 2302 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2303 FgThread.get().getLooper()); 2304 2305 getDefaultDisplayMetrics(context, mMetrics); 2306 2307 SystemConfig systemConfig = SystemConfig.getInstance(); 2308 mGlobalGids = systemConfig.getGlobalGids(); 2309 mSystemPermissions = systemConfig.getSystemPermissions(); 2310 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2311 2312 mProtectedPackages = new ProtectedPackages(mContext); 2313 2314 synchronized (mInstallLock) { 2315 // writer 2316 synchronized (mPackages) { 2317 mHandlerThread = new ServiceThread(TAG, 2318 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2319 mHandlerThread.start(); 2320 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2321 mProcessLoggingHandler = new ProcessLoggingHandler(); 2322 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2323 2324 File dataDir = Environment.getDataDirectory(); 2325 mAppInstallDir = new File(dataDir, "app"); 2326 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2327 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2328 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2329 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2330 2331 sUserManager = new UserManagerService(context, this, mPackages); 2332 2333 // Propagate permission configuration in to package manager. 2334 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2335 = systemConfig.getPermissions(); 2336 for (int i=0; i<permConfig.size(); i++) { 2337 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2338 BasePermission bp = mSettings.mPermissions.get(perm.name); 2339 if (bp == null) { 2340 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2341 mSettings.mPermissions.put(perm.name, bp); 2342 } 2343 if (perm.gids != null) { 2344 bp.setGids(perm.gids, perm.perUser); 2345 } 2346 } 2347 2348 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2349 for (int i=0; i<libConfig.size(); i++) { 2350 mSharedLibraries.put(libConfig.keyAt(i), 2351 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2352 } 2353 2354 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2355 2356 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2357 2358 if (mFirstBoot) { 2359 requestCopyPreoptedFiles(); 2360 } 2361 2362 String customResolverActivity = Resources.getSystem().getString( 2363 R.string.config_customResolverActivity); 2364 if (TextUtils.isEmpty(customResolverActivity)) { 2365 customResolverActivity = null; 2366 } else { 2367 mCustomResolverComponentName = ComponentName.unflattenFromString( 2368 customResolverActivity); 2369 } 2370 2371 long startTime = SystemClock.uptimeMillis(); 2372 2373 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2374 startTime); 2375 2376 // Set flag to monitor and not change apk file paths when 2377 // scanning install directories. 2378 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2379 2380 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2381 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2382 2383 if (bootClassPath == null) { 2384 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2385 } 2386 2387 if (systemServerClassPath == null) { 2388 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2389 } 2390 2391 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2392 final String[] dexCodeInstructionSets = 2393 getDexCodeInstructionSets( 2394 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2395 2396 /** 2397 * Ensure all external libraries have had dexopt run on them. 2398 */ 2399 if (mSharedLibraries.size() > 0) { 2400 // NOTE: For now, we're compiling these system "shared libraries" 2401 // (and framework jars) into all available architectures. It's possible 2402 // to compile them only when we come across an app that uses them (there's 2403 // already logic for that in scanPackageLI) but that adds some complexity. 2404 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2405 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2406 final String lib = libEntry.path; 2407 if (lib == null) { 2408 continue; 2409 } 2410 2411 try { 2412 // Shared libraries do not have profiles so we perform a full 2413 // AOT compilation (if needed). 2414 int dexoptNeeded = DexFile.getDexOptNeeded( 2415 lib, dexCodeInstructionSet, 2416 getCompilerFilterForReason(REASON_SHARED_APK), 2417 false /* newProfile */); 2418 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2419 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2420 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2421 getCompilerFilterForReason(REASON_SHARED_APK), 2422 StorageManager.UUID_PRIVATE_INTERNAL, 2423 SKIP_SHARED_LIBRARY_CHECK); 2424 } 2425 } catch (FileNotFoundException e) { 2426 Slog.w(TAG, "Library not found: " + lib); 2427 } catch (IOException | InstallerException e) { 2428 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2429 + e.getMessage()); 2430 } 2431 } 2432 } 2433 } 2434 2435 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2436 2437 final VersionInfo ver = mSettings.getInternalVersion(); 2438 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2439 2440 // when upgrading from pre-M, promote system app permissions from install to runtime 2441 mPromoteSystemApps = 2442 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2443 2444 // When upgrading from pre-N, we need to handle package extraction like first boot, 2445 // as there is no profiling data available. 2446 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2447 2448 // save off the names of pre-existing system packages prior to scanning; we don't 2449 // want to automatically grant runtime permissions for new system apps 2450 if (mPromoteSystemApps) { 2451 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2452 while (pkgSettingIter.hasNext()) { 2453 PackageSetting ps = pkgSettingIter.next(); 2454 if (isSystemApp(ps)) { 2455 mExistingSystemPackages.add(ps.name); 2456 } 2457 } 2458 } 2459 2460 // Collect vendor overlay packages. 2461 // (Do this before scanning any apps.) 2462 // For security and version matching reason, only consider 2463 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2464 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2465 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2466 | PackageParser.PARSE_IS_SYSTEM 2467 | PackageParser.PARSE_IS_SYSTEM_DIR 2468 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2469 2470 // Find base frameworks (resource packages without code). 2471 scanDirTracedLI(frameworkDir, mDefParseFlags 2472 | PackageParser.PARSE_IS_SYSTEM 2473 | PackageParser.PARSE_IS_SYSTEM_DIR 2474 | PackageParser.PARSE_IS_PRIVILEGED, 2475 scanFlags | SCAN_NO_DEX, 0); 2476 2477 // Collected privileged system packages. 2478 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2479 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2480 | PackageParser.PARSE_IS_SYSTEM 2481 | PackageParser.PARSE_IS_SYSTEM_DIR 2482 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2483 2484 // Collect ordinary system packages. 2485 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2486 scanDirTracedLI(systemAppDir, mDefParseFlags 2487 | PackageParser.PARSE_IS_SYSTEM 2488 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2489 2490 // Collect all vendor packages. 2491 File vendorAppDir = new File("/vendor/app"); 2492 try { 2493 vendorAppDir = vendorAppDir.getCanonicalFile(); 2494 } catch (IOException e) { 2495 // failed to look up canonical path, continue with original one 2496 } 2497 scanDirTracedLI(vendorAppDir, mDefParseFlags 2498 | PackageParser.PARSE_IS_SYSTEM 2499 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2500 2501 // Collect all OEM packages. 2502 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2503 scanDirTracedLI(oemAppDir, mDefParseFlags 2504 | PackageParser.PARSE_IS_SYSTEM 2505 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2506 2507 // Prune any system packages that no longer exist. 2508 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2509 if (!mOnlyCore) { 2510 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2511 while (psit.hasNext()) { 2512 PackageSetting ps = psit.next(); 2513 2514 /* 2515 * If this is not a system app, it can't be a 2516 * disable system app. 2517 */ 2518 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2519 continue; 2520 } 2521 2522 /* 2523 * If the package is scanned, it's not erased. 2524 */ 2525 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2526 if (scannedPkg != null) { 2527 /* 2528 * If the system app is both scanned and in the 2529 * disabled packages list, then it must have been 2530 * added via OTA. Remove it from the currently 2531 * scanned package so the previously user-installed 2532 * application can be scanned. 2533 */ 2534 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2535 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2536 + ps.name + "; removing system app. Last known codePath=" 2537 + ps.codePathString + ", installStatus=" + ps.installStatus 2538 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2539 + scannedPkg.mVersionCode); 2540 removePackageLI(scannedPkg, true); 2541 mExpectingBetter.put(ps.name, ps.codePath); 2542 } 2543 2544 continue; 2545 } 2546 2547 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2548 psit.remove(); 2549 logCriticalInfo(Log.WARN, "System package " + ps.name 2550 + " no longer exists; it's data will be wiped"); 2551 // Actual deletion of code and data will be handled by later 2552 // reconciliation step 2553 } else { 2554 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2555 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2556 possiblyDeletedUpdatedSystemApps.add(ps.name); 2557 } 2558 } 2559 } 2560 } 2561 2562 //look for any incomplete package installations 2563 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2564 for (int i = 0; i < deletePkgsList.size(); i++) { 2565 // Actual deletion of code and data will be handled by later 2566 // reconciliation step 2567 final String packageName = deletePkgsList.get(i).name; 2568 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2569 synchronized (mPackages) { 2570 mSettings.removePackageLPw(packageName); 2571 } 2572 } 2573 2574 //delete tmp files 2575 deleteTempPackageFiles(); 2576 2577 // Remove any shared userIDs that have no associated packages 2578 mSettings.pruneSharedUsersLPw(); 2579 2580 if (!mOnlyCore) { 2581 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2582 SystemClock.uptimeMillis()); 2583 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2584 2585 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2586 | PackageParser.PARSE_FORWARD_LOCK, 2587 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2588 2589 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2590 | PackageParser.PARSE_IS_EPHEMERAL, 2591 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2592 2593 /** 2594 * Remove disable package settings for any updated system 2595 * apps that were removed via an OTA. If they're not a 2596 * previously-updated app, remove them completely. 2597 * Otherwise, just revoke their system-level permissions. 2598 */ 2599 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2600 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2601 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2602 2603 String msg; 2604 if (deletedPkg == null) { 2605 msg = "Updated system package " + deletedAppName 2606 + " no longer exists; it's data will be wiped"; 2607 // Actual deletion of code and data will be handled by later 2608 // reconciliation step 2609 } else { 2610 msg = "Updated system app + " + deletedAppName 2611 + " no longer present; removing system privileges for " 2612 + deletedAppName; 2613 2614 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2615 2616 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2617 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2618 } 2619 logCriticalInfo(Log.WARN, msg); 2620 } 2621 2622 /** 2623 * Make sure all system apps that we expected to appear on 2624 * the userdata partition actually showed up. If they never 2625 * appeared, crawl back and revive the system version. 2626 */ 2627 for (int i = 0; i < mExpectingBetter.size(); i++) { 2628 final String packageName = mExpectingBetter.keyAt(i); 2629 if (!mPackages.containsKey(packageName)) { 2630 final File scanFile = mExpectingBetter.valueAt(i); 2631 2632 logCriticalInfo(Log.WARN, "Expected better " + packageName 2633 + " but never showed up; reverting to system"); 2634 2635 int reparseFlags = mDefParseFlags; 2636 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2637 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2638 | PackageParser.PARSE_IS_SYSTEM_DIR 2639 | PackageParser.PARSE_IS_PRIVILEGED; 2640 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2641 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2642 | PackageParser.PARSE_IS_SYSTEM_DIR; 2643 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2644 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2645 | PackageParser.PARSE_IS_SYSTEM_DIR; 2646 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2647 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2648 | PackageParser.PARSE_IS_SYSTEM_DIR; 2649 } else { 2650 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2651 continue; 2652 } 2653 2654 mSettings.enableSystemPackageLPw(packageName); 2655 2656 try { 2657 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2658 } catch (PackageManagerException e) { 2659 Slog.e(TAG, "Failed to parse original system package: " 2660 + e.getMessage()); 2661 } 2662 } 2663 } 2664 } 2665 mExpectingBetter.clear(); 2666 2667 // Resolve protected action filters. Only the setup wizard is allowed to 2668 // have a high priority filter for these actions. 2669 mSetupWizardPackage = getSetupWizardPackageName(); 2670 if (mProtectedFilters.size() > 0) { 2671 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2672 Slog.i(TAG, "No setup wizard;" 2673 + " All protected intents capped to priority 0"); 2674 } 2675 for (ActivityIntentInfo filter : mProtectedFilters) { 2676 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2677 if (DEBUG_FILTERS) { 2678 Slog.i(TAG, "Found setup wizard;" 2679 + " allow priority " + filter.getPriority() + ";" 2680 + " package: " + filter.activity.info.packageName 2681 + " activity: " + filter.activity.className 2682 + " priority: " + filter.getPriority()); 2683 } 2684 // skip setup wizard; allow it to keep the high priority filter 2685 continue; 2686 } 2687 Slog.w(TAG, "Protected action; cap priority to 0;" 2688 + " package: " + filter.activity.info.packageName 2689 + " activity: " + filter.activity.className 2690 + " origPrio: " + filter.getPriority()); 2691 filter.setPriority(0); 2692 } 2693 } 2694 mDeferProtectedFilters = false; 2695 mProtectedFilters.clear(); 2696 2697 // Now that we know all of the shared libraries, update all clients to have 2698 // the correct library paths. 2699 updateAllSharedLibrariesLPw(); 2700 2701 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2702 // NOTE: We ignore potential failures here during a system scan (like 2703 // the rest of the commands above) because there's precious little we 2704 // can do about it. A settings error is reported, though. 2705 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2706 false /* boot complete */); 2707 } 2708 2709 // Now that we know all the packages we are keeping, 2710 // read and update their last usage times. 2711 mPackageUsage.readLP(); 2712 2713 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2714 SystemClock.uptimeMillis()); 2715 Slog.i(TAG, "Time to scan packages: " 2716 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2717 + " seconds"); 2718 2719 // If the platform SDK has changed since the last time we booted, 2720 // we need to re-grant app permission to catch any new ones that 2721 // appear. This is really a hack, and means that apps can in some 2722 // cases get permissions that the user didn't initially explicitly 2723 // allow... it would be nice to have some better way to handle 2724 // this situation. 2725 int updateFlags = UPDATE_PERMISSIONS_ALL; 2726 if (ver.sdkVersion != mSdkVersion) { 2727 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2728 + mSdkVersion + "; regranting permissions for internal storage"); 2729 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2730 } 2731 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2732 ver.sdkVersion = mSdkVersion; 2733 2734 // If this is the first boot or an update from pre-M, and it is a normal 2735 // boot, then we need to initialize the default preferred apps across 2736 // all defined users. 2737 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2738 for (UserInfo user : sUserManager.getUsers(true)) { 2739 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2740 applyFactoryDefaultBrowserLPw(user.id); 2741 primeDomainVerificationsLPw(user.id); 2742 } 2743 } 2744 2745 // Prepare storage for system user really early during boot, 2746 // since core system apps like SettingsProvider and SystemUI 2747 // can't wait for user to start 2748 final int storageFlags; 2749 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2750 storageFlags = StorageManager.FLAG_STORAGE_DE; 2751 } else { 2752 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2753 } 2754 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2755 storageFlags); 2756 2757 // If this is first boot after an OTA, and a normal boot, then 2758 // we need to clear code cache directories. 2759 // Note that we do *not* clear the application profiles. These remain valid 2760 // across OTAs and are used to drive profile verification (post OTA) and 2761 // profile compilation (without waiting to collect a fresh set of profiles). 2762 if (mIsUpgrade && !onlyCore) { 2763 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2764 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2765 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2766 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2767 // No apps are running this early, so no need to freeze 2768 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2769 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2770 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2771 } 2772 } 2773 ver.fingerprint = Build.FINGERPRINT; 2774 } 2775 2776 checkDefaultBrowser(); 2777 2778 // clear only after permissions and other defaults have been updated 2779 mExistingSystemPackages.clear(); 2780 mPromoteSystemApps = false; 2781 2782 // All the changes are done during package scanning. 2783 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2784 2785 // can downgrade to reader 2786 mSettings.writeLPr(); 2787 2788 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2789 // early on (before the package manager declares itself as early) because other 2790 // components in the system server might ask for package contexts for these apps. 2791 // 2792 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2793 // (i.e, that the data partition is unavailable). 2794 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2795 long start = System.nanoTime(); 2796 List<PackageParser.Package> coreApps = new ArrayList<>(); 2797 for (PackageParser.Package pkg : mPackages.values()) { 2798 if (pkg.coreApp) { 2799 coreApps.add(pkg); 2800 } 2801 } 2802 2803 int[] stats = performDexOpt(coreApps, false, 2804 getCompilerFilterForReason(REASON_CORE_APP)); 2805 2806 final int elapsedTimeSeconds = 2807 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2808 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2809 2810 if (DEBUG_DEXOPT) { 2811 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2812 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2813 } 2814 2815 2816 // TODO: Should we log these stats to tron too ? 2817 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2818 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2819 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2820 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2821 } 2822 2823 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2824 SystemClock.uptimeMillis()); 2825 2826 if (!mOnlyCore) { 2827 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2828 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2829 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2830 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2831 mIntentFilterVerifierComponent); 2832 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2833 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2834 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2835 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2836 } else { 2837 mRequiredVerifierPackage = null; 2838 mRequiredInstallerPackage = null; 2839 mIntentFilterVerifierComponent = null; 2840 mIntentFilterVerifier = null; 2841 mServicesSystemSharedLibraryPackageName = null; 2842 mSharedSystemSharedLibraryPackageName = null; 2843 } 2844 2845 mInstallerService = new PackageInstallerService(context, this); 2846 2847 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2848 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2849 // both the installer and resolver must be present to enable ephemeral 2850 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2851 if (DEBUG_EPHEMERAL) { 2852 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2853 + " installer:" + ephemeralInstallerComponent); 2854 } 2855 mEphemeralResolverComponent = ephemeralResolverComponent; 2856 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2857 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2858 mEphemeralResolverConnection = 2859 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2860 } else { 2861 if (DEBUG_EPHEMERAL) { 2862 final String missingComponent = 2863 (ephemeralResolverComponent == null) 2864 ? (ephemeralInstallerComponent == null) 2865 ? "resolver and installer" 2866 : "resolver" 2867 : "installer"; 2868 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2869 } 2870 mEphemeralResolverComponent = null; 2871 mEphemeralInstallerComponent = null; 2872 mEphemeralResolverConnection = null; 2873 } 2874 2875 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2876 } // synchronized (mPackages) 2877 } // synchronized (mInstallLock) 2878 2879 // Now after opening every single application zip, make sure they 2880 // are all flushed. Not really needed, but keeps things nice and 2881 // tidy. 2882 Runtime.getRuntime().gc(); 2883 2884 // The initial scanning above does many calls into installd while 2885 // holding the mPackages lock, but we're mostly interested in yelling 2886 // once we have a booted system. 2887 mInstaller.setWarnIfHeld(mPackages); 2888 2889 // Expose private service for system components to use. 2890 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2891 } 2892 2893 @Override 2894 public boolean isFirstBoot() { 2895 return mFirstBoot; 2896 } 2897 2898 @Override 2899 public boolean isOnlyCoreApps() { 2900 return mOnlyCore; 2901 } 2902 2903 @Override 2904 public boolean isUpgrade() { 2905 return mIsUpgrade; 2906 } 2907 2908 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2909 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2910 2911 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2912 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2913 UserHandle.USER_SYSTEM); 2914 if (matches.size() == 1) { 2915 return matches.get(0).getComponentInfo().packageName; 2916 } else { 2917 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2918 return null; 2919 } 2920 } 2921 2922 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2923 synchronized (mPackages) { 2924 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2925 if (libraryEntry == null) { 2926 throw new IllegalStateException("Missing required shared library:" + libraryName); 2927 } 2928 return libraryEntry.apk; 2929 } 2930 } 2931 2932 private @NonNull String getRequiredInstallerLPr() { 2933 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2934 intent.addCategory(Intent.CATEGORY_DEFAULT); 2935 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2936 2937 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2938 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2939 UserHandle.USER_SYSTEM); 2940 if (matches.size() == 1) { 2941 ResolveInfo resolveInfo = matches.get(0); 2942 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2943 throw new RuntimeException("The installer must be a privileged app"); 2944 } 2945 return matches.get(0).getComponentInfo().packageName; 2946 } else { 2947 throw new RuntimeException("There must be exactly one installer; found " + matches); 2948 } 2949 } 2950 2951 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2952 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2953 2954 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2955 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2956 UserHandle.USER_SYSTEM); 2957 ResolveInfo best = null; 2958 final int N = matches.size(); 2959 for (int i = 0; i < N; i++) { 2960 final ResolveInfo cur = matches.get(i); 2961 final String packageName = cur.getComponentInfo().packageName; 2962 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2963 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2964 continue; 2965 } 2966 2967 if (best == null || cur.priority > best.priority) { 2968 best = cur; 2969 } 2970 } 2971 2972 if (best != null) { 2973 return best.getComponentInfo().getComponentName(); 2974 } else { 2975 throw new RuntimeException("There must be at least one intent filter verifier"); 2976 } 2977 } 2978 2979 private @Nullable ComponentName getEphemeralResolverLPr() { 2980 final String[] packageArray = 2981 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2982 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2983 if (DEBUG_EPHEMERAL) { 2984 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2985 } 2986 return null; 2987 } 2988 2989 final int resolveFlags = 2990 MATCH_DIRECT_BOOT_AWARE 2991 | MATCH_DIRECT_BOOT_UNAWARE 2992 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2993 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2994 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2995 resolveFlags, UserHandle.USER_SYSTEM); 2996 2997 final int N = resolvers.size(); 2998 if (N == 0) { 2999 if (DEBUG_EPHEMERAL) { 3000 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3001 } 3002 return null; 3003 } 3004 3005 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3006 for (int i = 0; i < N; i++) { 3007 final ResolveInfo info = resolvers.get(i); 3008 3009 if (info.serviceInfo == null) { 3010 continue; 3011 } 3012 3013 final String packageName = info.serviceInfo.packageName; 3014 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3015 if (DEBUG_EPHEMERAL) { 3016 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3017 + " pkg: " + packageName + ", info:" + info); 3018 } 3019 continue; 3020 } 3021 3022 if (DEBUG_EPHEMERAL) { 3023 Slog.v(TAG, "Ephemeral resolver found;" 3024 + " pkg: " + packageName + ", info:" + info); 3025 } 3026 return new ComponentName(packageName, info.serviceInfo.name); 3027 } 3028 if (DEBUG_EPHEMERAL) { 3029 Slog.v(TAG, "Ephemeral resolver NOT found"); 3030 } 3031 return null; 3032 } 3033 3034 private @Nullable ComponentName getEphemeralInstallerLPr() { 3035 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3036 intent.addCategory(Intent.CATEGORY_DEFAULT); 3037 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3038 3039 final int resolveFlags = 3040 MATCH_DIRECT_BOOT_AWARE 3041 | MATCH_DIRECT_BOOT_UNAWARE 3042 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3043 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3044 resolveFlags, UserHandle.USER_SYSTEM); 3045 if (matches.size() == 0) { 3046 return null; 3047 } else if (matches.size() == 1) { 3048 return matches.get(0).getComponentInfo().getComponentName(); 3049 } else { 3050 throw new RuntimeException( 3051 "There must be at most one ephemeral installer; found " + matches); 3052 } 3053 } 3054 3055 private void primeDomainVerificationsLPw(int userId) { 3056 if (DEBUG_DOMAIN_VERIFICATION) { 3057 Slog.d(TAG, "Priming domain verifications in user " + userId); 3058 } 3059 3060 SystemConfig systemConfig = SystemConfig.getInstance(); 3061 ArraySet<String> packages = systemConfig.getLinkedApps(); 3062 ArraySet<String> domains = new ArraySet<String>(); 3063 3064 for (String packageName : packages) { 3065 PackageParser.Package pkg = mPackages.get(packageName); 3066 if (pkg != null) { 3067 if (!pkg.isSystemApp()) { 3068 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3069 continue; 3070 } 3071 3072 domains.clear(); 3073 for (PackageParser.Activity a : pkg.activities) { 3074 for (ActivityIntentInfo filter : a.intents) { 3075 if (hasValidDomains(filter)) { 3076 domains.addAll(filter.getHostsList()); 3077 } 3078 } 3079 } 3080 3081 if (domains.size() > 0) { 3082 if (DEBUG_DOMAIN_VERIFICATION) { 3083 Slog.v(TAG, " + " + packageName); 3084 } 3085 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3086 // state w.r.t. the formal app-linkage "no verification attempted" state; 3087 // and then 'always' in the per-user state actually used for intent resolution. 3088 final IntentFilterVerificationInfo ivi; 3089 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3090 new ArrayList<String>(domains)); 3091 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3092 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3093 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3094 } else { 3095 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3096 + "' does not handle web links"); 3097 } 3098 } else { 3099 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3100 } 3101 } 3102 3103 scheduleWritePackageRestrictionsLocked(userId); 3104 scheduleWriteSettingsLocked(); 3105 } 3106 3107 private void applyFactoryDefaultBrowserLPw(int userId) { 3108 // The default browser app's package name is stored in a string resource, 3109 // with a product-specific overlay used for vendor customization. 3110 String browserPkg = mContext.getResources().getString( 3111 com.android.internal.R.string.default_browser); 3112 if (!TextUtils.isEmpty(browserPkg)) { 3113 // non-empty string => required to be a known package 3114 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3115 if (ps == null) { 3116 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3117 browserPkg = null; 3118 } else { 3119 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3120 } 3121 } 3122 3123 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3124 // default. If there's more than one, just leave everything alone. 3125 if (browserPkg == null) { 3126 calculateDefaultBrowserLPw(userId); 3127 } 3128 } 3129 3130 private void calculateDefaultBrowserLPw(int userId) { 3131 List<String> allBrowsers = resolveAllBrowserApps(userId); 3132 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3133 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3134 } 3135 3136 private List<String> resolveAllBrowserApps(int userId) { 3137 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3138 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3139 PackageManager.MATCH_ALL, userId); 3140 3141 final int count = list.size(); 3142 List<String> result = new ArrayList<String>(count); 3143 for (int i=0; i<count; i++) { 3144 ResolveInfo info = list.get(i); 3145 if (info.activityInfo == null 3146 || !info.handleAllWebDataURI 3147 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3148 || result.contains(info.activityInfo.packageName)) { 3149 continue; 3150 } 3151 result.add(info.activityInfo.packageName); 3152 } 3153 3154 return result; 3155 } 3156 3157 private boolean packageIsBrowser(String packageName, int userId) { 3158 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3159 PackageManager.MATCH_ALL, userId); 3160 final int N = list.size(); 3161 for (int i = 0; i < N; i++) { 3162 ResolveInfo info = list.get(i); 3163 if (packageName.equals(info.activityInfo.packageName)) { 3164 return true; 3165 } 3166 } 3167 return false; 3168 } 3169 3170 private void checkDefaultBrowser() { 3171 final int myUserId = UserHandle.myUserId(); 3172 final String packageName = getDefaultBrowserPackageName(myUserId); 3173 if (packageName != null) { 3174 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3175 if (info == null) { 3176 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3177 synchronized (mPackages) { 3178 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3179 } 3180 } 3181 } 3182 } 3183 3184 @Override 3185 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3186 throws RemoteException { 3187 try { 3188 return super.onTransact(code, data, reply, flags); 3189 } catch (RuntimeException e) { 3190 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3191 Slog.wtf(TAG, "Package Manager Crash", e); 3192 } 3193 throw e; 3194 } 3195 } 3196 3197 static int[] appendInts(int[] cur, int[] add) { 3198 if (add == null) return cur; 3199 if (cur == null) return add; 3200 final int N = add.length; 3201 for (int i=0; i<N; i++) { 3202 cur = appendInt(cur, add[i]); 3203 } 3204 return cur; 3205 } 3206 3207 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3208 if (!sUserManager.exists(userId)) return null; 3209 if (ps == null) { 3210 return null; 3211 } 3212 final PackageParser.Package p = ps.pkg; 3213 if (p == null) { 3214 return null; 3215 } 3216 3217 final PermissionsState permissionsState = ps.getPermissionsState(); 3218 3219 // Compute GIDs only if requested 3220 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3221 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3222 // Compute granted permissions only if package has requested permissions 3223 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3224 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3225 final PackageUserState state = ps.readUserState(userId); 3226 3227 return PackageParser.generatePackageInfo(p, gids, flags, 3228 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3229 } 3230 3231 @Override 3232 public void checkPackageStartable(String packageName, int userId) { 3233 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3234 3235 synchronized (mPackages) { 3236 final PackageSetting ps = mSettings.mPackages.get(packageName); 3237 if (ps == null) { 3238 throw new SecurityException("Package " + packageName + " was not found!"); 3239 } 3240 3241 if (!ps.getInstalled(userId)) { 3242 throw new SecurityException( 3243 "Package " + packageName + " was not installed for user " + userId + "!"); 3244 } 3245 3246 if (mSafeMode && !ps.isSystem()) { 3247 throw new SecurityException("Package " + packageName + " not a system app!"); 3248 } 3249 3250 if (mFrozenPackages.contains(packageName)) { 3251 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3252 } 3253 3254 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3255 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3256 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3257 } 3258 } 3259 } 3260 3261 @Override 3262 public boolean isPackageAvailable(String packageName, int userId) { 3263 if (!sUserManager.exists(userId)) return false; 3264 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3265 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3266 synchronized (mPackages) { 3267 PackageParser.Package p = mPackages.get(packageName); 3268 if (p != null) { 3269 final PackageSetting ps = (PackageSetting) p.mExtras; 3270 if (ps != null) { 3271 final PackageUserState state = ps.readUserState(userId); 3272 if (state != null) { 3273 return PackageParser.isAvailable(state); 3274 } 3275 } 3276 } 3277 } 3278 return false; 3279 } 3280 3281 @Override 3282 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3283 if (!sUserManager.exists(userId)) return null; 3284 flags = updateFlagsForPackage(flags, userId, packageName); 3285 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3286 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3287 // reader 3288 synchronized (mPackages) { 3289 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3290 PackageParser.Package p = null; 3291 if (matchFactoryOnly) { 3292 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3293 if (ps != null) { 3294 return generatePackageInfo(ps, flags, userId); 3295 } 3296 } 3297 if (p == null) { 3298 p = mPackages.get(packageName); 3299 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3300 return null; 3301 } 3302 } 3303 if (DEBUG_PACKAGE_INFO) 3304 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3305 if (p != null) { 3306 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3307 } 3308 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3309 final PackageSetting ps = mSettings.mPackages.get(packageName); 3310 return generatePackageInfo(ps, flags, userId); 3311 } 3312 } 3313 return null; 3314 } 3315 3316 @Override 3317 public String[] currentToCanonicalPackageNames(String[] names) { 3318 String[] out = new String[names.length]; 3319 // reader 3320 synchronized (mPackages) { 3321 for (int i=names.length-1; i>=0; i--) { 3322 PackageSetting ps = mSettings.mPackages.get(names[i]); 3323 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3324 } 3325 } 3326 return out; 3327 } 3328 3329 @Override 3330 public String[] canonicalToCurrentPackageNames(String[] names) { 3331 String[] out = new String[names.length]; 3332 // reader 3333 synchronized (mPackages) { 3334 for (int i=names.length-1; i>=0; i--) { 3335 String cur = mSettings.mRenamedPackages.get(names[i]); 3336 out[i] = cur != null ? cur : names[i]; 3337 } 3338 } 3339 return out; 3340 } 3341 3342 @Override 3343 public int getPackageUid(String packageName, int flags, int userId) { 3344 if (!sUserManager.exists(userId)) return -1; 3345 flags = updateFlagsForPackage(flags, userId, packageName); 3346 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3347 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3348 3349 // reader 3350 synchronized (mPackages) { 3351 final PackageParser.Package p = mPackages.get(packageName); 3352 if (p != null && p.isMatch(flags)) { 3353 return UserHandle.getUid(userId, p.applicationInfo.uid); 3354 } 3355 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3356 final PackageSetting ps = mSettings.mPackages.get(packageName); 3357 if (ps != null && ps.isMatch(flags)) { 3358 return UserHandle.getUid(userId, ps.appId); 3359 } 3360 } 3361 } 3362 3363 return -1; 3364 } 3365 3366 @Override 3367 public int[] getPackageGids(String packageName, int flags, int userId) { 3368 if (!sUserManager.exists(userId)) return null; 3369 flags = updateFlagsForPackage(flags, userId, packageName); 3370 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3371 false /* requireFullPermission */, false /* checkShell */, 3372 "getPackageGids"); 3373 3374 // reader 3375 synchronized (mPackages) { 3376 final PackageParser.Package p = mPackages.get(packageName); 3377 if (p != null && p.isMatch(flags)) { 3378 PackageSetting ps = (PackageSetting) p.mExtras; 3379 return ps.getPermissionsState().computeGids(userId); 3380 } 3381 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3382 final PackageSetting ps = mSettings.mPackages.get(packageName); 3383 if (ps != null && ps.isMatch(flags)) { 3384 return ps.getPermissionsState().computeGids(userId); 3385 } 3386 } 3387 } 3388 3389 return null; 3390 } 3391 3392 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3393 if (bp.perm != null) { 3394 return PackageParser.generatePermissionInfo(bp.perm, flags); 3395 } 3396 PermissionInfo pi = new PermissionInfo(); 3397 pi.name = bp.name; 3398 pi.packageName = bp.sourcePackage; 3399 pi.nonLocalizedLabel = bp.name; 3400 pi.protectionLevel = bp.protectionLevel; 3401 return pi; 3402 } 3403 3404 @Override 3405 public PermissionInfo getPermissionInfo(String name, int flags) { 3406 // reader 3407 synchronized (mPackages) { 3408 final BasePermission p = mSettings.mPermissions.get(name); 3409 if (p != null) { 3410 return generatePermissionInfo(p, flags); 3411 } 3412 return null; 3413 } 3414 } 3415 3416 @Override 3417 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3418 int flags) { 3419 // reader 3420 synchronized (mPackages) { 3421 if (group != null && !mPermissionGroups.containsKey(group)) { 3422 // This is thrown as NameNotFoundException 3423 return null; 3424 } 3425 3426 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3427 for (BasePermission p : mSettings.mPermissions.values()) { 3428 if (group == null) { 3429 if (p.perm == null || p.perm.info.group == null) { 3430 out.add(generatePermissionInfo(p, flags)); 3431 } 3432 } else { 3433 if (p.perm != null && group.equals(p.perm.info.group)) { 3434 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3435 } 3436 } 3437 } 3438 return new ParceledListSlice<>(out); 3439 } 3440 } 3441 3442 @Override 3443 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3444 // reader 3445 synchronized (mPackages) { 3446 return PackageParser.generatePermissionGroupInfo( 3447 mPermissionGroups.get(name), flags); 3448 } 3449 } 3450 3451 @Override 3452 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3453 // reader 3454 synchronized (mPackages) { 3455 final int N = mPermissionGroups.size(); 3456 ArrayList<PermissionGroupInfo> out 3457 = new ArrayList<PermissionGroupInfo>(N); 3458 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3459 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3460 } 3461 return new ParceledListSlice<>(out); 3462 } 3463 } 3464 3465 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3466 int userId) { 3467 if (!sUserManager.exists(userId)) return null; 3468 PackageSetting ps = mSettings.mPackages.get(packageName); 3469 if (ps != null) { 3470 if (ps.pkg == null) { 3471 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3472 if (pInfo != null) { 3473 return pInfo.applicationInfo; 3474 } 3475 return null; 3476 } 3477 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3478 ps.readUserState(userId), userId); 3479 } 3480 return null; 3481 } 3482 3483 @Override 3484 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3485 if (!sUserManager.exists(userId)) return null; 3486 flags = updateFlagsForApplication(flags, userId, packageName); 3487 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3488 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3489 // writer 3490 synchronized (mPackages) { 3491 PackageParser.Package p = mPackages.get(packageName); 3492 if (DEBUG_PACKAGE_INFO) Log.v( 3493 TAG, "getApplicationInfo " + packageName 3494 + ": " + p); 3495 if (p != null) { 3496 PackageSetting ps = mSettings.mPackages.get(packageName); 3497 if (ps == null) return null; 3498 // Note: isEnabledLP() does not apply here - always return info 3499 return PackageParser.generateApplicationInfo( 3500 p, flags, ps.readUserState(userId), userId); 3501 } 3502 if ("android".equals(packageName)||"system".equals(packageName)) { 3503 return mAndroidApplication; 3504 } 3505 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3506 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3507 } 3508 } 3509 return null; 3510 } 3511 3512 @Override 3513 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3514 final IPackageDataObserver observer) { 3515 mContext.enforceCallingOrSelfPermission( 3516 android.Manifest.permission.CLEAR_APP_CACHE, null); 3517 // Queue up an async operation since clearing cache may take a little while. 3518 mHandler.post(new Runnable() { 3519 public void run() { 3520 mHandler.removeCallbacks(this); 3521 boolean success = true; 3522 synchronized (mInstallLock) { 3523 try { 3524 mInstaller.freeCache(volumeUuid, freeStorageSize); 3525 } catch (InstallerException e) { 3526 Slog.w(TAG, "Couldn't clear application caches: " + e); 3527 success = false; 3528 } 3529 } 3530 if (observer != null) { 3531 try { 3532 observer.onRemoveCompleted(null, success); 3533 } catch (RemoteException e) { 3534 Slog.w(TAG, "RemoveException when invoking call back"); 3535 } 3536 } 3537 } 3538 }); 3539 } 3540 3541 @Override 3542 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3543 final IntentSender pi) { 3544 mContext.enforceCallingOrSelfPermission( 3545 android.Manifest.permission.CLEAR_APP_CACHE, null); 3546 // Queue up an async operation since clearing cache may take a little while. 3547 mHandler.post(new Runnable() { 3548 public void run() { 3549 mHandler.removeCallbacks(this); 3550 boolean success = true; 3551 synchronized (mInstallLock) { 3552 try { 3553 mInstaller.freeCache(volumeUuid, freeStorageSize); 3554 } catch (InstallerException e) { 3555 Slog.w(TAG, "Couldn't clear application caches: " + e); 3556 success = false; 3557 } 3558 } 3559 if(pi != null) { 3560 try { 3561 // Callback via pending intent 3562 int code = success ? 1 : 0; 3563 pi.sendIntent(null, code, null, 3564 null, null); 3565 } catch (SendIntentException e1) { 3566 Slog.i(TAG, "Failed to send pending intent"); 3567 } 3568 } 3569 } 3570 }); 3571 } 3572 3573 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3574 synchronized (mInstallLock) { 3575 try { 3576 mInstaller.freeCache(volumeUuid, freeStorageSize); 3577 } catch (InstallerException e) { 3578 throw new IOException("Failed to free enough space", e); 3579 } 3580 } 3581 } 3582 3583 /** 3584 * Update given flags based on encryption status of current user. 3585 */ 3586 private int updateFlags(int flags, int userId) { 3587 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3588 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3589 // Caller expressed an explicit opinion about what encryption 3590 // aware/unaware components they want to see, so fall through and 3591 // give them what they want 3592 } else { 3593 // Caller expressed no opinion, so match based on user state 3594 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3595 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3596 } else { 3597 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3598 } 3599 } 3600 return flags; 3601 } 3602 3603 private UserManagerInternal getUserManagerInternal() { 3604 if (mUserManagerInternal == null) { 3605 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3606 } 3607 return mUserManagerInternal; 3608 } 3609 3610 /** 3611 * Update given flags when being used to request {@link PackageInfo}. 3612 */ 3613 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3614 boolean triaged = true; 3615 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3616 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3617 // Caller is asking for component details, so they'd better be 3618 // asking for specific encryption matching behavior, or be triaged 3619 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3620 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3621 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3622 triaged = false; 3623 } 3624 } 3625 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3626 | PackageManager.MATCH_SYSTEM_ONLY 3627 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3628 triaged = false; 3629 } 3630 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3631 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3632 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3633 } 3634 return updateFlags(flags, userId); 3635 } 3636 3637 /** 3638 * Update given flags when being used to request {@link ApplicationInfo}. 3639 */ 3640 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3641 return updateFlagsForPackage(flags, userId, cookie); 3642 } 3643 3644 /** 3645 * Update given flags when being used to request {@link ComponentInfo}. 3646 */ 3647 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3648 if (cookie instanceof Intent) { 3649 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3650 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3651 } 3652 } 3653 3654 boolean triaged = true; 3655 // Caller is asking for component details, so they'd better be 3656 // asking for specific encryption matching behavior, or be triaged 3657 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3658 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3659 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3660 triaged = false; 3661 } 3662 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3663 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3664 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3665 } 3666 3667 return updateFlags(flags, userId); 3668 } 3669 3670 /** 3671 * Update given flags when being used to request {@link ResolveInfo}. 3672 */ 3673 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3674 // Safe mode means we shouldn't match any third-party components 3675 if (mSafeMode) { 3676 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3677 } 3678 3679 return updateFlagsForComponent(flags, userId, cookie); 3680 } 3681 3682 @Override 3683 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3684 if (!sUserManager.exists(userId)) return null; 3685 flags = updateFlagsForComponent(flags, userId, component); 3686 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3687 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3688 synchronized (mPackages) { 3689 PackageParser.Activity a = mActivities.mActivities.get(component); 3690 3691 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3692 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3693 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3694 if (ps == null) return null; 3695 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3696 userId); 3697 } 3698 if (mResolveComponentName.equals(component)) { 3699 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3700 new PackageUserState(), userId); 3701 } 3702 } 3703 return null; 3704 } 3705 3706 @Override 3707 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3708 String resolvedType) { 3709 synchronized (mPackages) { 3710 if (component.equals(mResolveComponentName)) { 3711 // The resolver supports EVERYTHING! 3712 return true; 3713 } 3714 PackageParser.Activity a = mActivities.mActivities.get(component); 3715 if (a == null) { 3716 return false; 3717 } 3718 for (int i=0; i<a.intents.size(); i++) { 3719 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3720 intent.getData(), intent.getCategories(), TAG) >= 0) { 3721 return true; 3722 } 3723 } 3724 return false; 3725 } 3726 } 3727 3728 @Override 3729 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3730 if (!sUserManager.exists(userId)) return null; 3731 flags = updateFlagsForComponent(flags, userId, component); 3732 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3733 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3734 synchronized (mPackages) { 3735 PackageParser.Activity a = mReceivers.mActivities.get(component); 3736 if (DEBUG_PACKAGE_INFO) Log.v( 3737 TAG, "getReceiverInfo " + component + ": " + a); 3738 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3739 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3740 if (ps == null) return null; 3741 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3742 userId); 3743 } 3744 } 3745 return null; 3746 } 3747 3748 @Override 3749 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3750 if (!sUserManager.exists(userId)) return null; 3751 flags = updateFlagsForComponent(flags, userId, component); 3752 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3753 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3754 synchronized (mPackages) { 3755 PackageParser.Service s = mServices.mServices.get(component); 3756 if (DEBUG_PACKAGE_INFO) Log.v( 3757 TAG, "getServiceInfo " + component + ": " + s); 3758 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3759 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3760 if (ps == null) return null; 3761 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3762 userId); 3763 } 3764 } 3765 return null; 3766 } 3767 3768 @Override 3769 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3770 if (!sUserManager.exists(userId)) return null; 3771 flags = updateFlagsForComponent(flags, userId, component); 3772 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3773 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3774 synchronized (mPackages) { 3775 PackageParser.Provider p = mProviders.mProviders.get(component); 3776 if (DEBUG_PACKAGE_INFO) Log.v( 3777 TAG, "getProviderInfo " + component + ": " + p); 3778 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3779 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3780 if (ps == null) return null; 3781 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3782 userId); 3783 } 3784 } 3785 return null; 3786 } 3787 3788 @Override 3789 public String[] getSystemSharedLibraryNames() { 3790 Set<String> libSet; 3791 synchronized (mPackages) { 3792 libSet = mSharedLibraries.keySet(); 3793 int size = libSet.size(); 3794 if (size > 0) { 3795 String[] libs = new String[size]; 3796 libSet.toArray(libs); 3797 return libs; 3798 } 3799 } 3800 return null; 3801 } 3802 3803 @Override 3804 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3805 synchronized (mPackages) { 3806 return mServicesSystemSharedLibraryPackageName; 3807 } 3808 } 3809 3810 @Override 3811 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3812 synchronized (mPackages) { 3813 return mSharedSystemSharedLibraryPackageName; 3814 } 3815 } 3816 3817 @Override 3818 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3819 synchronized (mPackages) { 3820 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3821 3822 final FeatureInfo fi = new FeatureInfo(); 3823 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3824 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3825 res.add(fi); 3826 3827 return new ParceledListSlice<>(res); 3828 } 3829 } 3830 3831 @Override 3832 public boolean hasSystemFeature(String name, int version) { 3833 synchronized (mPackages) { 3834 final FeatureInfo feat = mAvailableFeatures.get(name); 3835 if (feat == null) { 3836 return false; 3837 } else { 3838 return feat.version >= version; 3839 } 3840 } 3841 } 3842 3843 @Override 3844 public int checkPermission(String permName, String pkgName, int userId) { 3845 if (!sUserManager.exists(userId)) { 3846 return PackageManager.PERMISSION_DENIED; 3847 } 3848 3849 synchronized (mPackages) { 3850 final PackageParser.Package p = mPackages.get(pkgName); 3851 if (p != null && p.mExtras != null) { 3852 final PackageSetting ps = (PackageSetting) p.mExtras; 3853 final PermissionsState permissionsState = ps.getPermissionsState(); 3854 if (permissionsState.hasPermission(permName, userId)) { 3855 return PackageManager.PERMISSION_GRANTED; 3856 } 3857 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3858 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3859 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3860 return PackageManager.PERMISSION_GRANTED; 3861 } 3862 } 3863 } 3864 3865 return PackageManager.PERMISSION_DENIED; 3866 } 3867 3868 @Override 3869 public int checkUidPermission(String permName, int uid) { 3870 final int userId = UserHandle.getUserId(uid); 3871 3872 if (!sUserManager.exists(userId)) { 3873 return PackageManager.PERMISSION_DENIED; 3874 } 3875 3876 synchronized (mPackages) { 3877 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3878 if (obj != null) { 3879 final SettingBase ps = (SettingBase) obj; 3880 final PermissionsState permissionsState = ps.getPermissionsState(); 3881 if (permissionsState.hasPermission(permName, userId)) { 3882 return PackageManager.PERMISSION_GRANTED; 3883 } 3884 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3885 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3886 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3887 return PackageManager.PERMISSION_GRANTED; 3888 } 3889 } else { 3890 ArraySet<String> perms = mSystemPermissions.get(uid); 3891 if (perms != null) { 3892 if (perms.contains(permName)) { 3893 return PackageManager.PERMISSION_GRANTED; 3894 } 3895 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3896 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3897 return PackageManager.PERMISSION_GRANTED; 3898 } 3899 } 3900 } 3901 } 3902 3903 return PackageManager.PERMISSION_DENIED; 3904 } 3905 3906 @Override 3907 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3908 if (UserHandle.getCallingUserId() != userId) { 3909 mContext.enforceCallingPermission( 3910 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3911 "isPermissionRevokedByPolicy for user " + userId); 3912 } 3913 3914 if (checkPermission(permission, packageName, userId) 3915 == PackageManager.PERMISSION_GRANTED) { 3916 return false; 3917 } 3918 3919 final long identity = Binder.clearCallingIdentity(); 3920 try { 3921 final int flags = getPermissionFlags(permission, packageName, userId); 3922 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3923 } finally { 3924 Binder.restoreCallingIdentity(identity); 3925 } 3926 } 3927 3928 @Override 3929 public String getPermissionControllerPackageName() { 3930 synchronized (mPackages) { 3931 return mRequiredInstallerPackage; 3932 } 3933 } 3934 3935 /** 3936 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3937 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3938 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3939 * @param message the message to log on security exception 3940 */ 3941 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3942 boolean checkShell, String message) { 3943 if (userId < 0) { 3944 throw new IllegalArgumentException("Invalid userId " + userId); 3945 } 3946 if (checkShell) { 3947 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3948 } 3949 if (userId == UserHandle.getUserId(callingUid)) return; 3950 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3951 if (requireFullPermission) { 3952 mContext.enforceCallingOrSelfPermission( 3953 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3954 } else { 3955 try { 3956 mContext.enforceCallingOrSelfPermission( 3957 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3958 } catch (SecurityException se) { 3959 mContext.enforceCallingOrSelfPermission( 3960 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3961 } 3962 } 3963 } 3964 } 3965 3966 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3967 if (callingUid == Process.SHELL_UID) { 3968 if (userHandle >= 0 3969 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3970 throw new SecurityException("Shell does not have permission to access user " 3971 + userHandle); 3972 } else if (userHandle < 0) { 3973 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3974 + Debug.getCallers(3)); 3975 } 3976 } 3977 } 3978 3979 private BasePermission findPermissionTreeLP(String permName) { 3980 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3981 if (permName.startsWith(bp.name) && 3982 permName.length() > bp.name.length() && 3983 permName.charAt(bp.name.length()) == '.') { 3984 return bp; 3985 } 3986 } 3987 return null; 3988 } 3989 3990 private BasePermission checkPermissionTreeLP(String permName) { 3991 if (permName != null) { 3992 BasePermission bp = findPermissionTreeLP(permName); 3993 if (bp != null) { 3994 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3995 return bp; 3996 } 3997 throw new SecurityException("Calling uid " 3998 + Binder.getCallingUid() 3999 + " is not allowed to add to permission tree " 4000 + bp.name + " owned by uid " + bp.uid); 4001 } 4002 } 4003 throw new SecurityException("No permission tree found for " + permName); 4004 } 4005 4006 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4007 if (s1 == null) { 4008 return s2 == null; 4009 } 4010 if (s2 == null) { 4011 return false; 4012 } 4013 if (s1.getClass() != s2.getClass()) { 4014 return false; 4015 } 4016 return s1.equals(s2); 4017 } 4018 4019 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4020 if (pi1.icon != pi2.icon) return false; 4021 if (pi1.logo != pi2.logo) return false; 4022 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4023 if (!compareStrings(pi1.name, pi2.name)) return false; 4024 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4025 // We'll take care of setting this one. 4026 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4027 // These are not currently stored in settings. 4028 //if (!compareStrings(pi1.group, pi2.group)) return false; 4029 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4030 //if (pi1.labelRes != pi2.labelRes) return false; 4031 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4032 return true; 4033 } 4034 4035 int permissionInfoFootprint(PermissionInfo info) { 4036 int size = info.name.length(); 4037 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4038 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4039 return size; 4040 } 4041 4042 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4043 int size = 0; 4044 for (BasePermission perm : mSettings.mPermissions.values()) { 4045 if (perm.uid == tree.uid) { 4046 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4047 } 4048 } 4049 return size; 4050 } 4051 4052 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4053 // We calculate the max size of permissions defined by this uid and throw 4054 // if that plus the size of 'info' would exceed our stated maximum. 4055 if (tree.uid != Process.SYSTEM_UID) { 4056 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4057 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4058 throw new SecurityException("Permission tree size cap exceeded"); 4059 } 4060 } 4061 } 4062 4063 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4064 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4065 throw new SecurityException("Label must be specified in permission"); 4066 } 4067 BasePermission tree = checkPermissionTreeLP(info.name); 4068 BasePermission bp = mSettings.mPermissions.get(info.name); 4069 boolean added = bp == null; 4070 boolean changed = true; 4071 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4072 if (added) { 4073 enforcePermissionCapLocked(info, tree); 4074 bp = new BasePermission(info.name, tree.sourcePackage, 4075 BasePermission.TYPE_DYNAMIC); 4076 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4077 throw new SecurityException( 4078 "Not allowed to modify non-dynamic permission " 4079 + info.name); 4080 } else { 4081 if (bp.protectionLevel == fixedLevel 4082 && bp.perm.owner.equals(tree.perm.owner) 4083 && bp.uid == tree.uid 4084 && comparePermissionInfos(bp.perm.info, info)) { 4085 changed = false; 4086 } 4087 } 4088 bp.protectionLevel = fixedLevel; 4089 info = new PermissionInfo(info); 4090 info.protectionLevel = fixedLevel; 4091 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4092 bp.perm.info.packageName = tree.perm.info.packageName; 4093 bp.uid = tree.uid; 4094 if (added) { 4095 mSettings.mPermissions.put(info.name, bp); 4096 } 4097 if (changed) { 4098 if (!async) { 4099 mSettings.writeLPr(); 4100 } else { 4101 scheduleWriteSettingsLocked(); 4102 } 4103 } 4104 return added; 4105 } 4106 4107 @Override 4108 public boolean addPermission(PermissionInfo info) { 4109 synchronized (mPackages) { 4110 return addPermissionLocked(info, false); 4111 } 4112 } 4113 4114 @Override 4115 public boolean addPermissionAsync(PermissionInfo info) { 4116 synchronized (mPackages) { 4117 return addPermissionLocked(info, true); 4118 } 4119 } 4120 4121 @Override 4122 public void removePermission(String name) { 4123 synchronized (mPackages) { 4124 checkPermissionTreeLP(name); 4125 BasePermission bp = mSettings.mPermissions.get(name); 4126 if (bp != null) { 4127 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4128 throw new SecurityException( 4129 "Not allowed to modify non-dynamic permission " 4130 + name); 4131 } 4132 mSettings.mPermissions.remove(name); 4133 mSettings.writeLPr(); 4134 } 4135 } 4136 } 4137 4138 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4139 BasePermission bp) { 4140 int index = pkg.requestedPermissions.indexOf(bp.name); 4141 if (index == -1) { 4142 throw new SecurityException("Package " + pkg.packageName 4143 + " has not requested permission " + bp.name); 4144 } 4145 if (!bp.isRuntime() && !bp.isDevelopment()) { 4146 throw new SecurityException("Permission " + bp.name 4147 + " is not a changeable permission type"); 4148 } 4149 } 4150 4151 @Override 4152 public void grantRuntimePermission(String packageName, String name, final int userId) { 4153 if (!sUserManager.exists(userId)) { 4154 Log.e(TAG, "No such user:" + userId); 4155 return; 4156 } 4157 4158 mContext.enforceCallingOrSelfPermission( 4159 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4160 "grantRuntimePermission"); 4161 4162 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4163 true /* requireFullPermission */, true /* checkShell */, 4164 "grantRuntimePermission"); 4165 4166 final int uid; 4167 final SettingBase sb; 4168 4169 synchronized (mPackages) { 4170 final PackageParser.Package pkg = mPackages.get(packageName); 4171 if (pkg == null) { 4172 throw new IllegalArgumentException("Unknown package: " + packageName); 4173 } 4174 4175 final BasePermission bp = mSettings.mPermissions.get(name); 4176 if (bp == null) { 4177 throw new IllegalArgumentException("Unknown permission: " + name); 4178 } 4179 4180 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4181 4182 // If a permission review is required for legacy apps we represent 4183 // their permissions as always granted runtime ones since we need 4184 // to keep the review required permission flag per user while an 4185 // install permission's state is shared across all users. 4186 if (Build.PERMISSIONS_REVIEW_REQUIRED 4187 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4188 && bp.isRuntime()) { 4189 return; 4190 } 4191 4192 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4193 sb = (SettingBase) pkg.mExtras; 4194 if (sb == null) { 4195 throw new IllegalArgumentException("Unknown package: " + packageName); 4196 } 4197 4198 final PermissionsState permissionsState = sb.getPermissionsState(); 4199 4200 final int flags = permissionsState.getPermissionFlags(name, userId); 4201 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4202 throw new SecurityException("Cannot grant system fixed permission " 4203 + name + " for package " + packageName); 4204 } 4205 4206 if (bp.isDevelopment()) { 4207 // Development permissions must be handled specially, since they are not 4208 // normal runtime permissions. For now they apply to all users. 4209 if (permissionsState.grantInstallPermission(bp) != 4210 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4211 scheduleWriteSettingsLocked(); 4212 } 4213 return; 4214 } 4215 4216 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4217 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4218 return; 4219 } 4220 4221 final int result = permissionsState.grantRuntimePermission(bp, userId); 4222 switch (result) { 4223 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4224 return; 4225 } 4226 4227 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4228 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4229 mHandler.post(new Runnable() { 4230 @Override 4231 public void run() { 4232 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4233 } 4234 }); 4235 } 4236 break; 4237 } 4238 4239 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4240 4241 // Not critical if that is lost - app has to request again. 4242 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4243 } 4244 4245 // Only need to do this if user is initialized. Otherwise it's a new user 4246 // and there are no processes running as the user yet and there's no need 4247 // to make an expensive call to remount processes for the changed permissions. 4248 if (READ_EXTERNAL_STORAGE.equals(name) 4249 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4250 final long token = Binder.clearCallingIdentity(); 4251 try { 4252 if (sUserManager.isInitialized(userId)) { 4253 MountServiceInternal mountServiceInternal = LocalServices.getService( 4254 MountServiceInternal.class); 4255 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4256 } 4257 } finally { 4258 Binder.restoreCallingIdentity(token); 4259 } 4260 } 4261 } 4262 4263 @Override 4264 public void revokeRuntimePermission(String packageName, String name, int userId) { 4265 if (!sUserManager.exists(userId)) { 4266 Log.e(TAG, "No such user:" + userId); 4267 return; 4268 } 4269 4270 mContext.enforceCallingOrSelfPermission( 4271 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4272 "revokeRuntimePermission"); 4273 4274 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4275 true /* requireFullPermission */, true /* checkShell */, 4276 "revokeRuntimePermission"); 4277 4278 final int appId; 4279 4280 synchronized (mPackages) { 4281 final PackageParser.Package pkg = mPackages.get(packageName); 4282 if (pkg == null) { 4283 throw new IllegalArgumentException("Unknown package: " + packageName); 4284 } 4285 4286 final BasePermission bp = mSettings.mPermissions.get(name); 4287 if (bp == null) { 4288 throw new IllegalArgumentException("Unknown permission: " + name); 4289 } 4290 4291 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4292 4293 // If a permission review is required for legacy apps we represent 4294 // their permissions as always granted runtime ones since we need 4295 // to keep the review required permission flag per user while an 4296 // install permission's state is shared across all users. 4297 if (Build.PERMISSIONS_REVIEW_REQUIRED 4298 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4299 && bp.isRuntime()) { 4300 return; 4301 } 4302 4303 SettingBase sb = (SettingBase) pkg.mExtras; 4304 if (sb == null) { 4305 throw new IllegalArgumentException("Unknown package: " + packageName); 4306 } 4307 4308 final PermissionsState permissionsState = sb.getPermissionsState(); 4309 4310 final int flags = permissionsState.getPermissionFlags(name, userId); 4311 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4312 throw new SecurityException("Cannot revoke system fixed permission " 4313 + name + " for package " + packageName); 4314 } 4315 4316 if (bp.isDevelopment()) { 4317 // Development permissions must be handled specially, since they are not 4318 // normal runtime permissions. For now they apply to all users. 4319 if (permissionsState.revokeInstallPermission(bp) != 4320 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4321 scheduleWriteSettingsLocked(); 4322 } 4323 return; 4324 } 4325 4326 if (permissionsState.revokeRuntimePermission(bp, userId) == 4327 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4328 return; 4329 } 4330 4331 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4332 4333 // Critical, after this call app should never have the permission. 4334 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4335 4336 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4337 } 4338 4339 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4340 } 4341 4342 @Override 4343 public void resetRuntimePermissions() { 4344 mContext.enforceCallingOrSelfPermission( 4345 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4346 "revokeRuntimePermission"); 4347 4348 int callingUid = Binder.getCallingUid(); 4349 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4350 mContext.enforceCallingOrSelfPermission( 4351 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4352 "resetRuntimePermissions"); 4353 } 4354 4355 synchronized (mPackages) { 4356 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4357 for (int userId : UserManagerService.getInstance().getUserIds()) { 4358 final int packageCount = mPackages.size(); 4359 for (int i = 0; i < packageCount; i++) { 4360 PackageParser.Package pkg = mPackages.valueAt(i); 4361 if (!(pkg.mExtras instanceof PackageSetting)) { 4362 continue; 4363 } 4364 PackageSetting ps = (PackageSetting) pkg.mExtras; 4365 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4366 } 4367 } 4368 } 4369 } 4370 4371 @Override 4372 public int getPermissionFlags(String name, String packageName, int userId) { 4373 if (!sUserManager.exists(userId)) { 4374 return 0; 4375 } 4376 4377 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4378 4379 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4380 true /* requireFullPermission */, false /* checkShell */, 4381 "getPermissionFlags"); 4382 4383 synchronized (mPackages) { 4384 final PackageParser.Package pkg = mPackages.get(packageName); 4385 if (pkg == null) { 4386 return 0; 4387 } 4388 4389 final BasePermission bp = mSettings.mPermissions.get(name); 4390 if (bp == null) { 4391 return 0; 4392 } 4393 4394 SettingBase sb = (SettingBase) pkg.mExtras; 4395 if (sb == null) { 4396 return 0; 4397 } 4398 4399 PermissionsState permissionsState = sb.getPermissionsState(); 4400 return permissionsState.getPermissionFlags(name, userId); 4401 } 4402 } 4403 4404 @Override 4405 public void updatePermissionFlags(String name, String packageName, int flagMask, 4406 int flagValues, int userId) { 4407 if (!sUserManager.exists(userId)) { 4408 return; 4409 } 4410 4411 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4412 4413 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4414 true /* requireFullPermission */, true /* checkShell */, 4415 "updatePermissionFlags"); 4416 4417 // Only the system can change these flags and nothing else. 4418 if (getCallingUid() != Process.SYSTEM_UID) { 4419 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4420 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4421 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4422 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4423 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4424 } 4425 4426 synchronized (mPackages) { 4427 final PackageParser.Package pkg = mPackages.get(packageName); 4428 if (pkg == null) { 4429 throw new IllegalArgumentException("Unknown package: " + packageName); 4430 } 4431 4432 final BasePermission bp = mSettings.mPermissions.get(name); 4433 if (bp == null) { 4434 throw new IllegalArgumentException("Unknown permission: " + name); 4435 } 4436 4437 SettingBase sb = (SettingBase) pkg.mExtras; 4438 if (sb == null) { 4439 throw new IllegalArgumentException("Unknown package: " + packageName); 4440 } 4441 4442 PermissionsState permissionsState = sb.getPermissionsState(); 4443 4444 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4445 4446 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4447 // Install and runtime permissions are stored in different places, 4448 // so figure out what permission changed and persist the change. 4449 if (permissionsState.getInstallPermissionState(name) != null) { 4450 scheduleWriteSettingsLocked(); 4451 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4452 || hadState) { 4453 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4454 } 4455 } 4456 } 4457 } 4458 4459 /** 4460 * Update the permission flags for all packages and runtime permissions of a user in order 4461 * to allow device or profile owner to remove POLICY_FIXED. 4462 */ 4463 @Override 4464 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4465 if (!sUserManager.exists(userId)) { 4466 return; 4467 } 4468 4469 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4470 4471 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4472 true /* requireFullPermission */, true /* checkShell */, 4473 "updatePermissionFlagsForAllApps"); 4474 4475 // Only the system can change system fixed flags. 4476 if (getCallingUid() != Process.SYSTEM_UID) { 4477 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4478 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4479 } 4480 4481 synchronized (mPackages) { 4482 boolean changed = false; 4483 final int packageCount = mPackages.size(); 4484 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4485 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4486 SettingBase sb = (SettingBase) pkg.mExtras; 4487 if (sb == null) { 4488 continue; 4489 } 4490 PermissionsState permissionsState = sb.getPermissionsState(); 4491 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4492 userId, flagMask, flagValues); 4493 } 4494 if (changed) { 4495 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4496 } 4497 } 4498 } 4499 4500 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4501 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4502 != PackageManager.PERMISSION_GRANTED 4503 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4504 != PackageManager.PERMISSION_GRANTED) { 4505 throw new SecurityException(message + " requires " 4506 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4507 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4508 } 4509 } 4510 4511 @Override 4512 public boolean shouldShowRequestPermissionRationale(String permissionName, 4513 String packageName, int userId) { 4514 if (UserHandle.getCallingUserId() != userId) { 4515 mContext.enforceCallingPermission( 4516 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4517 "canShowRequestPermissionRationale for user " + userId); 4518 } 4519 4520 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4521 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4522 return false; 4523 } 4524 4525 if (checkPermission(permissionName, packageName, userId) 4526 == PackageManager.PERMISSION_GRANTED) { 4527 return false; 4528 } 4529 4530 final int flags; 4531 4532 final long identity = Binder.clearCallingIdentity(); 4533 try { 4534 flags = getPermissionFlags(permissionName, 4535 packageName, userId); 4536 } finally { 4537 Binder.restoreCallingIdentity(identity); 4538 } 4539 4540 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4541 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4542 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4543 4544 if ((flags & fixedFlags) != 0) { 4545 return false; 4546 } 4547 4548 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4549 } 4550 4551 @Override 4552 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4553 mContext.enforceCallingOrSelfPermission( 4554 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4555 "addOnPermissionsChangeListener"); 4556 4557 synchronized (mPackages) { 4558 mOnPermissionChangeListeners.addListenerLocked(listener); 4559 } 4560 } 4561 4562 @Override 4563 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4564 synchronized (mPackages) { 4565 mOnPermissionChangeListeners.removeListenerLocked(listener); 4566 } 4567 } 4568 4569 @Override 4570 public boolean isProtectedBroadcast(String actionName) { 4571 synchronized (mPackages) { 4572 if (mProtectedBroadcasts.contains(actionName)) { 4573 return true; 4574 } else if (actionName != null) { 4575 // TODO: remove these terrible hacks 4576 if (actionName.startsWith("android.net.netmon.lingerExpired") 4577 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4578 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4579 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4580 return true; 4581 } 4582 } 4583 } 4584 return false; 4585 } 4586 4587 @Override 4588 public int checkSignatures(String pkg1, String pkg2) { 4589 synchronized (mPackages) { 4590 final PackageParser.Package p1 = mPackages.get(pkg1); 4591 final PackageParser.Package p2 = mPackages.get(pkg2); 4592 if (p1 == null || p1.mExtras == null 4593 || p2 == null || p2.mExtras == null) { 4594 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4595 } 4596 return compareSignatures(p1.mSignatures, p2.mSignatures); 4597 } 4598 } 4599 4600 @Override 4601 public int checkUidSignatures(int uid1, int uid2) { 4602 // Map to base uids. 4603 uid1 = UserHandle.getAppId(uid1); 4604 uid2 = UserHandle.getAppId(uid2); 4605 // reader 4606 synchronized (mPackages) { 4607 Signature[] s1; 4608 Signature[] s2; 4609 Object obj = mSettings.getUserIdLPr(uid1); 4610 if (obj != null) { 4611 if (obj instanceof SharedUserSetting) { 4612 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4613 } else if (obj instanceof PackageSetting) { 4614 s1 = ((PackageSetting)obj).signatures.mSignatures; 4615 } else { 4616 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4617 } 4618 } else { 4619 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4620 } 4621 obj = mSettings.getUserIdLPr(uid2); 4622 if (obj != null) { 4623 if (obj instanceof SharedUserSetting) { 4624 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4625 } else if (obj instanceof PackageSetting) { 4626 s2 = ((PackageSetting)obj).signatures.mSignatures; 4627 } else { 4628 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4629 } 4630 } else { 4631 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4632 } 4633 return compareSignatures(s1, s2); 4634 } 4635 } 4636 4637 /** 4638 * This method should typically only be used when granting or revoking 4639 * permissions, since the app may immediately restart after this call. 4640 * <p> 4641 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4642 * guard your work against the app being relaunched. 4643 */ 4644 private void killUid(int appId, int userId, String reason) { 4645 final long identity = Binder.clearCallingIdentity(); 4646 try { 4647 IActivityManager am = ActivityManagerNative.getDefault(); 4648 if (am != null) { 4649 try { 4650 am.killUid(appId, userId, reason); 4651 } catch (RemoteException e) { 4652 /* ignore - same process */ 4653 } 4654 } 4655 } finally { 4656 Binder.restoreCallingIdentity(identity); 4657 } 4658 } 4659 4660 /** 4661 * Compares two sets of signatures. Returns: 4662 * <br /> 4663 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4664 * <br /> 4665 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4666 * <br /> 4667 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4668 * <br /> 4669 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4670 * <br /> 4671 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4672 */ 4673 static int compareSignatures(Signature[] s1, Signature[] s2) { 4674 if (s1 == null) { 4675 return s2 == null 4676 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4677 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4678 } 4679 4680 if (s2 == null) { 4681 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4682 } 4683 4684 if (s1.length != s2.length) { 4685 return PackageManager.SIGNATURE_NO_MATCH; 4686 } 4687 4688 // Since both signature sets are of size 1, we can compare without HashSets. 4689 if (s1.length == 1) { 4690 return s1[0].equals(s2[0]) ? 4691 PackageManager.SIGNATURE_MATCH : 4692 PackageManager.SIGNATURE_NO_MATCH; 4693 } 4694 4695 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4696 for (Signature sig : s1) { 4697 set1.add(sig); 4698 } 4699 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4700 for (Signature sig : s2) { 4701 set2.add(sig); 4702 } 4703 // Make sure s2 contains all signatures in s1. 4704 if (set1.equals(set2)) { 4705 return PackageManager.SIGNATURE_MATCH; 4706 } 4707 return PackageManager.SIGNATURE_NO_MATCH; 4708 } 4709 4710 /** 4711 * If the database version for this type of package (internal storage or 4712 * external storage) is less than the version where package signatures 4713 * were updated, return true. 4714 */ 4715 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4716 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4717 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4718 } 4719 4720 /** 4721 * Used for backward compatibility to make sure any packages with 4722 * certificate chains get upgraded to the new style. {@code existingSigs} 4723 * will be in the old format (since they were stored on disk from before the 4724 * system upgrade) and {@code scannedSigs} will be in the newer format. 4725 */ 4726 private int compareSignaturesCompat(PackageSignatures existingSigs, 4727 PackageParser.Package scannedPkg) { 4728 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4729 return PackageManager.SIGNATURE_NO_MATCH; 4730 } 4731 4732 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4733 for (Signature sig : existingSigs.mSignatures) { 4734 existingSet.add(sig); 4735 } 4736 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4737 for (Signature sig : scannedPkg.mSignatures) { 4738 try { 4739 Signature[] chainSignatures = sig.getChainSignatures(); 4740 for (Signature chainSig : chainSignatures) { 4741 scannedCompatSet.add(chainSig); 4742 } 4743 } catch (CertificateEncodingException e) { 4744 scannedCompatSet.add(sig); 4745 } 4746 } 4747 /* 4748 * Make sure the expanded scanned set contains all signatures in the 4749 * existing one. 4750 */ 4751 if (scannedCompatSet.equals(existingSet)) { 4752 // Migrate the old signatures to the new scheme. 4753 existingSigs.assignSignatures(scannedPkg.mSignatures); 4754 // The new KeySets will be re-added later in the scanning process. 4755 synchronized (mPackages) { 4756 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4757 } 4758 return PackageManager.SIGNATURE_MATCH; 4759 } 4760 return PackageManager.SIGNATURE_NO_MATCH; 4761 } 4762 4763 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4764 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4765 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4766 } 4767 4768 private int compareSignaturesRecover(PackageSignatures existingSigs, 4769 PackageParser.Package scannedPkg) { 4770 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4771 return PackageManager.SIGNATURE_NO_MATCH; 4772 } 4773 4774 String msg = null; 4775 try { 4776 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4777 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4778 + scannedPkg.packageName); 4779 return PackageManager.SIGNATURE_MATCH; 4780 } 4781 } catch (CertificateException e) { 4782 msg = e.getMessage(); 4783 } 4784 4785 logCriticalInfo(Log.INFO, 4786 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4787 return PackageManager.SIGNATURE_NO_MATCH; 4788 } 4789 4790 @Override 4791 public List<String> getAllPackages() { 4792 synchronized (mPackages) { 4793 return new ArrayList<String>(mPackages.keySet()); 4794 } 4795 } 4796 4797 @Override 4798 public String[] getPackagesForUid(int uid) { 4799 uid = UserHandle.getAppId(uid); 4800 // reader 4801 synchronized (mPackages) { 4802 Object obj = mSettings.getUserIdLPr(uid); 4803 if (obj instanceof SharedUserSetting) { 4804 final SharedUserSetting sus = (SharedUserSetting) obj; 4805 final int N = sus.packages.size(); 4806 final String[] res = new String[N]; 4807 for (int i = 0; i < N; i++) { 4808 res[i] = sus.packages.valueAt(i).name; 4809 } 4810 return res; 4811 } else if (obj instanceof PackageSetting) { 4812 final PackageSetting ps = (PackageSetting) obj; 4813 return new String[] { ps.name }; 4814 } 4815 } 4816 return null; 4817 } 4818 4819 @Override 4820 public String getNameForUid(int uid) { 4821 // reader 4822 synchronized (mPackages) { 4823 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4824 if (obj instanceof SharedUserSetting) { 4825 final SharedUserSetting sus = (SharedUserSetting) obj; 4826 return sus.name + ":" + sus.userId; 4827 } else if (obj instanceof PackageSetting) { 4828 final PackageSetting ps = (PackageSetting) obj; 4829 return ps.name; 4830 } 4831 } 4832 return null; 4833 } 4834 4835 @Override 4836 public int getUidForSharedUser(String sharedUserName) { 4837 if(sharedUserName == null) { 4838 return -1; 4839 } 4840 // reader 4841 synchronized (mPackages) { 4842 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4843 if (suid == null) { 4844 return -1; 4845 } 4846 return suid.userId; 4847 } 4848 } 4849 4850 @Override 4851 public int getFlagsForUid(int uid) { 4852 synchronized (mPackages) { 4853 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4854 if (obj instanceof SharedUserSetting) { 4855 final SharedUserSetting sus = (SharedUserSetting) obj; 4856 return sus.pkgFlags; 4857 } else if (obj instanceof PackageSetting) { 4858 final PackageSetting ps = (PackageSetting) obj; 4859 return ps.pkgFlags; 4860 } 4861 } 4862 return 0; 4863 } 4864 4865 @Override 4866 public int getPrivateFlagsForUid(int uid) { 4867 synchronized (mPackages) { 4868 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4869 if (obj instanceof SharedUserSetting) { 4870 final SharedUserSetting sus = (SharedUserSetting) obj; 4871 return sus.pkgPrivateFlags; 4872 } else if (obj instanceof PackageSetting) { 4873 final PackageSetting ps = (PackageSetting) obj; 4874 return ps.pkgPrivateFlags; 4875 } 4876 } 4877 return 0; 4878 } 4879 4880 @Override 4881 public boolean isUidPrivileged(int uid) { 4882 uid = UserHandle.getAppId(uid); 4883 // reader 4884 synchronized (mPackages) { 4885 Object obj = mSettings.getUserIdLPr(uid); 4886 if (obj instanceof SharedUserSetting) { 4887 final SharedUserSetting sus = (SharedUserSetting) obj; 4888 final Iterator<PackageSetting> it = sus.packages.iterator(); 4889 while (it.hasNext()) { 4890 if (it.next().isPrivileged()) { 4891 return true; 4892 } 4893 } 4894 } else if (obj instanceof PackageSetting) { 4895 final PackageSetting ps = (PackageSetting) obj; 4896 return ps.isPrivileged(); 4897 } 4898 } 4899 return false; 4900 } 4901 4902 @Override 4903 public String[] getAppOpPermissionPackages(String permissionName) { 4904 synchronized (mPackages) { 4905 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4906 if (pkgs == null) { 4907 return null; 4908 } 4909 return pkgs.toArray(new String[pkgs.size()]); 4910 } 4911 } 4912 4913 @Override 4914 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4915 int flags, int userId) { 4916 try { 4917 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4918 4919 if (!sUserManager.exists(userId)) return null; 4920 flags = updateFlagsForResolve(flags, userId, intent); 4921 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4922 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4923 4924 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4925 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4926 flags, userId); 4927 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4928 4929 final ResolveInfo bestChoice = 4930 chooseBestActivity(intent, resolvedType, flags, query, userId); 4931 4932 if (isEphemeralAllowed(intent, query, userId)) { 4933 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4934 final EphemeralResolveInfo ai = 4935 getEphemeralResolveInfo(intent, resolvedType, userId); 4936 if (ai != null) { 4937 if (DEBUG_EPHEMERAL) { 4938 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4939 } 4940 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4941 bestChoice.ephemeralResolveInfo = ai; 4942 } 4943 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4944 } 4945 return bestChoice; 4946 } finally { 4947 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4948 } 4949 } 4950 4951 @Override 4952 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4953 IntentFilter filter, int match, ComponentName activity) { 4954 final int userId = UserHandle.getCallingUserId(); 4955 if (DEBUG_PREFERRED) { 4956 Log.v(TAG, "setLastChosenActivity intent=" + intent 4957 + " resolvedType=" + resolvedType 4958 + " flags=" + flags 4959 + " filter=" + filter 4960 + " match=" + match 4961 + " activity=" + activity); 4962 filter.dump(new PrintStreamPrinter(System.out), " "); 4963 } 4964 intent.setComponent(null); 4965 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4966 userId); 4967 // Find any earlier preferred or last chosen entries and nuke them 4968 findPreferredActivity(intent, resolvedType, 4969 flags, query, 0, false, true, false, userId); 4970 // Add the new activity as the last chosen for this filter 4971 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4972 "Setting last chosen"); 4973 } 4974 4975 @Override 4976 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4977 final int userId = UserHandle.getCallingUserId(); 4978 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4979 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4980 userId); 4981 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4982 false, false, false, userId); 4983 } 4984 4985 4986 private boolean isEphemeralAllowed( 4987 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4988 // Short circuit and return early if possible. 4989 if (DISABLE_EPHEMERAL_APPS) { 4990 return false; 4991 } 4992 final int callingUser = UserHandle.getCallingUserId(); 4993 if (callingUser != UserHandle.USER_SYSTEM) { 4994 return false; 4995 } 4996 if (mEphemeralResolverConnection == null) { 4997 return false; 4998 } 4999 if (intent.getComponent() != null) { 5000 return false; 5001 } 5002 if (intent.getPackage() != null) { 5003 return false; 5004 } 5005 final boolean isWebUri = hasWebURI(intent); 5006 if (!isWebUri) { 5007 return false; 5008 } 5009 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5010 synchronized (mPackages) { 5011 final int count = resolvedActivites.size(); 5012 for (int n = 0; n < count; n++) { 5013 ResolveInfo info = resolvedActivites.get(n); 5014 String packageName = info.activityInfo.packageName; 5015 PackageSetting ps = mSettings.mPackages.get(packageName); 5016 if (ps != null) { 5017 // Try to get the status from User settings first 5018 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5019 int status = (int) (packedStatus >> 32); 5020 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5021 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5022 if (DEBUG_EPHEMERAL) { 5023 Slog.v(TAG, "DENY ephemeral apps;" 5024 + " pkg: " + packageName + ", status: " + status); 5025 } 5026 return false; 5027 } 5028 } 5029 } 5030 } 5031 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5032 return true; 5033 } 5034 5035 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 5036 int userId) { 5037 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 5038 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 5039 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 5040 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 5041 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 5042 ephemeralPrefixCount); 5043 final int[] shaPrefix = digest.getDigestPrefix(); 5044 final byte[][] digestBytes = digest.getDigestBytes(); 5045 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5046 mEphemeralResolverConnection.getEphemeralResolveInfoList( 5047 shaPrefix, ephemeralPrefixMask); 5048 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5049 // No hash prefix match; there are no ephemeral apps for this domain. 5050 return null; 5051 } 5052 5053 // Go in reverse order so we match the narrowest scope first. 5054 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 5055 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 5056 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 5057 continue; 5058 } 5059 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5060 // No filters; this should never happen. 5061 if (filters.isEmpty()) { 5062 continue; 5063 } 5064 // We have a domain match; resolve the filters to see if anything matches. 5065 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5066 for (int j = filters.size() - 1; j >= 0; --j) { 5067 final EphemeralResolveIntentInfo intentInfo = 5068 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5069 ephemeralResolver.addFilter(intentInfo); 5070 } 5071 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5072 intent, resolvedType, false /*defaultOnly*/, userId); 5073 if (!matchedResolveInfoList.isEmpty()) { 5074 return matchedResolveInfoList.get(0); 5075 } 5076 } 5077 } 5078 // Hash or filter mis-match; no ephemeral apps for this domain. 5079 return null; 5080 } 5081 5082 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5083 int flags, List<ResolveInfo> query, int userId) { 5084 if (query != null) { 5085 final int N = query.size(); 5086 if (N == 1) { 5087 return query.get(0); 5088 } else if (N > 1) { 5089 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5090 // If there is more than one activity with the same priority, 5091 // then let the user decide between them. 5092 ResolveInfo r0 = query.get(0); 5093 ResolveInfo r1 = query.get(1); 5094 if (DEBUG_INTENT_MATCHING || debug) { 5095 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5096 + r1.activityInfo.name + "=" + r1.priority); 5097 } 5098 // If the first activity has a higher priority, or a different 5099 // default, then it is always desirable to pick it. 5100 if (r0.priority != r1.priority 5101 || r0.preferredOrder != r1.preferredOrder 5102 || r0.isDefault != r1.isDefault) { 5103 return query.get(0); 5104 } 5105 // If we have saved a preference for a preferred activity for 5106 // this Intent, use that. 5107 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5108 flags, query, r0.priority, true, false, debug, userId); 5109 if (ri != null) { 5110 return ri; 5111 } 5112 ri = new ResolveInfo(mResolveInfo); 5113 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5114 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5115 // If all of the options come from the same package, show the application's 5116 // label and icon instead of the generic resolver's. 5117 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5118 // and then throw away the ResolveInfo itself, meaning that the caller loses 5119 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5120 // a fallback for this case; we only set the target package's resources on 5121 // the ResolveInfo, not the ActivityInfo. 5122 final String intentPackage = intent.getPackage(); 5123 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5124 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5125 ri.resolvePackageName = intentPackage; 5126 if (userNeedsBadging(userId)) { 5127 ri.noResourceId = true; 5128 } else { 5129 ri.icon = appi.icon; 5130 } 5131 ri.iconResourceId = appi.icon; 5132 ri.labelRes = appi.labelRes; 5133 } 5134 ri.activityInfo.applicationInfo = new ApplicationInfo( 5135 ri.activityInfo.applicationInfo); 5136 if (userId != 0) { 5137 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5138 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5139 } 5140 // Make sure that the resolver is displayable in car mode 5141 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5142 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5143 return ri; 5144 } 5145 } 5146 return null; 5147 } 5148 5149 /** 5150 * Return true if the given list is not empty and all of its contents have 5151 * an activityInfo with the given package name. 5152 */ 5153 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5154 if (ArrayUtils.isEmpty(list)) { 5155 return false; 5156 } 5157 for (int i = 0, N = list.size(); i < N; i++) { 5158 final ResolveInfo ri = list.get(i); 5159 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5160 if (ai == null || !packageName.equals(ai.packageName)) { 5161 return false; 5162 } 5163 } 5164 return true; 5165 } 5166 5167 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5168 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5169 final int N = query.size(); 5170 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5171 .get(userId); 5172 // Get the list of persistent preferred activities that handle the intent 5173 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5174 List<PersistentPreferredActivity> pprefs = ppir != null 5175 ? ppir.queryIntent(intent, resolvedType, 5176 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5177 : null; 5178 if (pprefs != null && pprefs.size() > 0) { 5179 final int M = pprefs.size(); 5180 for (int i=0; i<M; i++) { 5181 final PersistentPreferredActivity ppa = pprefs.get(i); 5182 if (DEBUG_PREFERRED || debug) { 5183 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5184 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5185 + "\n component=" + ppa.mComponent); 5186 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5187 } 5188 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5189 flags | MATCH_DISABLED_COMPONENTS, userId); 5190 if (DEBUG_PREFERRED || debug) { 5191 Slog.v(TAG, "Found persistent preferred activity:"); 5192 if (ai != null) { 5193 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5194 } else { 5195 Slog.v(TAG, " null"); 5196 } 5197 } 5198 if (ai == null) { 5199 // This previously registered persistent preferred activity 5200 // component is no longer known. Ignore it and do NOT remove it. 5201 continue; 5202 } 5203 for (int j=0; j<N; j++) { 5204 final ResolveInfo ri = query.get(j); 5205 if (!ri.activityInfo.applicationInfo.packageName 5206 .equals(ai.applicationInfo.packageName)) { 5207 continue; 5208 } 5209 if (!ri.activityInfo.name.equals(ai.name)) { 5210 continue; 5211 } 5212 // Found a persistent preference that can handle the intent. 5213 if (DEBUG_PREFERRED || debug) { 5214 Slog.v(TAG, "Returning persistent preferred activity: " + 5215 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5216 } 5217 return ri; 5218 } 5219 } 5220 } 5221 return null; 5222 } 5223 5224 // TODO: handle preferred activities missing while user has amnesia 5225 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5226 List<ResolveInfo> query, int priority, boolean always, 5227 boolean removeMatches, boolean debug, int userId) { 5228 if (!sUserManager.exists(userId)) return null; 5229 flags = updateFlagsForResolve(flags, userId, intent); 5230 // writer 5231 synchronized (mPackages) { 5232 if (intent.getSelector() != null) { 5233 intent = intent.getSelector(); 5234 } 5235 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5236 5237 // Try to find a matching persistent preferred activity. 5238 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5239 debug, userId); 5240 5241 // If a persistent preferred activity matched, use it. 5242 if (pri != null) { 5243 return pri; 5244 } 5245 5246 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5247 // Get the list of preferred activities that handle the intent 5248 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5249 List<PreferredActivity> prefs = pir != null 5250 ? pir.queryIntent(intent, resolvedType, 5251 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5252 : null; 5253 if (prefs != null && prefs.size() > 0) { 5254 boolean changed = false; 5255 try { 5256 // First figure out how good the original match set is. 5257 // We will only allow preferred activities that came 5258 // from the same match quality. 5259 int match = 0; 5260 5261 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5262 5263 final int N = query.size(); 5264 for (int j=0; j<N; j++) { 5265 final ResolveInfo ri = query.get(j); 5266 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5267 + ": 0x" + Integer.toHexString(match)); 5268 if (ri.match > match) { 5269 match = ri.match; 5270 } 5271 } 5272 5273 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5274 + Integer.toHexString(match)); 5275 5276 match &= IntentFilter.MATCH_CATEGORY_MASK; 5277 final int M = prefs.size(); 5278 for (int i=0; i<M; i++) { 5279 final PreferredActivity pa = prefs.get(i); 5280 if (DEBUG_PREFERRED || debug) { 5281 Slog.v(TAG, "Checking PreferredActivity ds=" 5282 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5283 + "\n component=" + pa.mPref.mComponent); 5284 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5285 } 5286 if (pa.mPref.mMatch != match) { 5287 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5288 + Integer.toHexString(pa.mPref.mMatch)); 5289 continue; 5290 } 5291 // If it's not an "always" type preferred activity and that's what we're 5292 // looking for, skip it. 5293 if (always && !pa.mPref.mAlways) { 5294 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5295 continue; 5296 } 5297 final ActivityInfo ai = getActivityInfo( 5298 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5299 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5300 userId); 5301 if (DEBUG_PREFERRED || debug) { 5302 Slog.v(TAG, "Found preferred activity:"); 5303 if (ai != null) { 5304 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5305 } else { 5306 Slog.v(TAG, " null"); 5307 } 5308 } 5309 if (ai == null) { 5310 // This previously registered preferred activity 5311 // component is no longer known. Most likely an update 5312 // to the app was installed and in the new version this 5313 // component no longer exists. Clean it up by removing 5314 // it from the preferred activities list, and skip it. 5315 Slog.w(TAG, "Removing dangling preferred activity: " 5316 + pa.mPref.mComponent); 5317 pir.removeFilter(pa); 5318 changed = true; 5319 continue; 5320 } 5321 for (int j=0; j<N; j++) { 5322 final ResolveInfo ri = query.get(j); 5323 if (!ri.activityInfo.applicationInfo.packageName 5324 .equals(ai.applicationInfo.packageName)) { 5325 continue; 5326 } 5327 if (!ri.activityInfo.name.equals(ai.name)) { 5328 continue; 5329 } 5330 5331 if (removeMatches) { 5332 pir.removeFilter(pa); 5333 changed = true; 5334 if (DEBUG_PREFERRED) { 5335 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5336 } 5337 break; 5338 } 5339 5340 // Okay we found a previously set preferred or last chosen app. 5341 // If the result set is different from when this 5342 // was created, we need to clear it and re-ask the 5343 // user their preference, if we're looking for an "always" type entry. 5344 if (always && !pa.mPref.sameSet(query)) { 5345 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5346 + intent + " type " + resolvedType); 5347 if (DEBUG_PREFERRED) { 5348 Slog.v(TAG, "Removing preferred activity since set changed " 5349 + pa.mPref.mComponent); 5350 } 5351 pir.removeFilter(pa); 5352 // Re-add the filter as a "last chosen" entry (!always) 5353 PreferredActivity lastChosen = new PreferredActivity( 5354 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5355 pir.addFilter(lastChosen); 5356 changed = true; 5357 return null; 5358 } 5359 5360 // Yay! Either the set matched or we're looking for the last chosen 5361 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5362 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5363 return ri; 5364 } 5365 } 5366 } finally { 5367 if (changed) { 5368 if (DEBUG_PREFERRED) { 5369 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5370 } 5371 scheduleWritePackageRestrictionsLocked(userId); 5372 } 5373 } 5374 } 5375 } 5376 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5377 return null; 5378 } 5379 5380 /* 5381 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5382 */ 5383 @Override 5384 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5385 int targetUserId) { 5386 mContext.enforceCallingOrSelfPermission( 5387 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5388 List<CrossProfileIntentFilter> matches = 5389 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5390 if (matches != null) { 5391 int size = matches.size(); 5392 for (int i = 0; i < size; i++) { 5393 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5394 } 5395 } 5396 if (hasWebURI(intent)) { 5397 // cross-profile app linking works only towards the parent. 5398 final UserInfo parent = getProfileParent(sourceUserId); 5399 synchronized(mPackages) { 5400 int flags = updateFlagsForResolve(0, parent.id, intent); 5401 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5402 intent, resolvedType, flags, sourceUserId, parent.id); 5403 return xpDomainInfo != null; 5404 } 5405 } 5406 return false; 5407 } 5408 5409 private UserInfo getProfileParent(int userId) { 5410 final long identity = Binder.clearCallingIdentity(); 5411 try { 5412 return sUserManager.getProfileParent(userId); 5413 } finally { 5414 Binder.restoreCallingIdentity(identity); 5415 } 5416 } 5417 5418 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5419 String resolvedType, int userId) { 5420 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5421 if (resolver != null) { 5422 return resolver.queryIntent(intent, resolvedType, false, userId); 5423 } 5424 return null; 5425 } 5426 5427 @Override 5428 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5429 String resolvedType, int flags, int userId) { 5430 try { 5431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5432 5433 return new ParceledListSlice<>( 5434 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5435 } finally { 5436 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5437 } 5438 } 5439 5440 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5441 String resolvedType, int flags, int userId) { 5442 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5443 flags = updateFlagsForResolve(flags, userId, intent); 5444 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5445 false /* requireFullPermission */, false /* checkShell */, 5446 "query intent activities"); 5447 ComponentName comp = intent.getComponent(); 5448 if (comp == null) { 5449 if (intent.getSelector() != null) { 5450 intent = intent.getSelector(); 5451 comp = intent.getComponent(); 5452 } 5453 } 5454 5455 if (comp != null) { 5456 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5457 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5458 if (ai != null) { 5459 final ResolveInfo ri = new ResolveInfo(); 5460 ri.activityInfo = ai; 5461 list.add(ri); 5462 } 5463 return list; 5464 } 5465 5466 // reader 5467 synchronized (mPackages) { 5468 final String pkgName = intent.getPackage(); 5469 if (pkgName == null) { 5470 List<CrossProfileIntentFilter> matchingFilters = 5471 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5472 // Check for results that need to skip the current profile. 5473 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5474 resolvedType, flags, userId); 5475 if (xpResolveInfo != null) { 5476 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5477 result.add(xpResolveInfo); 5478 return filterIfNotSystemUser(result, userId); 5479 } 5480 5481 // Check for results in the current profile. 5482 List<ResolveInfo> result = mActivities.queryIntent( 5483 intent, resolvedType, flags, userId); 5484 result = filterIfNotSystemUser(result, userId); 5485 5486 // Check for cross profile results. 5487 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5488 xpResolveInfo = queryCrossProfileIntents( 5489 matchingFilters, intent, resolvedType, flags, userId, 5490 hasNonNegativePriorityResult); 5491 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5492 boolean isVisibleToUser = filterIfNotSystemUser( 5493 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5494 if (isVisibleToUser) { 5495 result.add(xpResolveInfo); 5496 Collections.sort(result, mResolvePrioritySorter); 5497 } 5498 } 5499 if (hasWebURI(intent)) { 5500 CrossProfileDomainInfo xpDomainInfo = null; 5501 final UserInfo parent = getProfileParent(userId); 5502 if (parent != null) { 5503 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5504 flags, userId, parent.id); 5505 } 5506 if (xpDomainInfo != null) { 5507 if (xpResolveInfo != null) { 5508 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5509 // in the result. 5510 result.remove(xpResolveInfo); 5511 } 5512 if (result.size() == 0) { 5513 result.add(xpDomainInfo.resolveInfo); 5514 return result; 5515 } 5516 } else if (result.size() <= 1) { 5517 return result; 5518 } 5519 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5520 xpDomainInfo, userId); 5521 Collections.sort(result, mResolvePrioritySorter); 5522 } 5523 return result; 5524 } 5525 final PackageParser.Package pkg = mPackages.get(pkgName); 5526 if (pkg != null) { 5527 return filterIfNotSystemUser( 5528 mActivities.queryIntentForPackage( 5529 intent, resolvedType, flags, pkg.activities, userId), 5530 userId); 5531 } 5532 return new ArrayList<ResolveInfo>(); 5533 } 5534 } 5535 5536 private static class CrossProfileDomainInfo { 5537 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5538 ResolveInfo resolveInfo; 5539 /* Best domain verification status of the activities found in the other profile */ 5540 int bestDomainVerificationStatus; 5541 } 5542 5543 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5544 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5545 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5546 sourceUserId)) { 5547 return null; 5548 } 5549 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5550 resolvedType, flags, parentUserId); 5551 5552 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5553 return null; 5554 } 5555 CrossProfileDomainInfo result = null; 5556 int size = resultTargetUser.size(); 5557 for (int i = 0; i < size; i++) { 5558 ResolveInfo riTargetUser = resultTargetUser.get(i); 5559 // Intent filter verification is only for filters that specify a host. So don't return 5560 // those that handle all web uris. 5561 if (riTargetUser.handleAllWebDataURI) { 5562 continue; 5563 } 5564 String packageName = riTargetUser.activityInfo.packageName; 5565 PackageSetting ps = mSettings.mPackages.get(packageName); 5566 if (ps == null) { 5567 continue; 5568 } 5569 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5570 int status = (int)(verificationState >> 32); 5571 if (result == null) { 5572 result = new CrossProfileDomainInfo(); 5573 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5574 sourceUserId, parentUserId); 5575 result.bestDomainVerificationStatus = status; 5576 } else { 5577 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5578 result.bestDomainVerificationStatus); 5579 } 5580 } 5581 // Don't consider matches with status NEVER across profiles. 5582 if (result != null && result.bestDomainVerificationStatus 5583 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5584 return null; 5585 } 5586 return result; 5587 } 5588 5589 /** 5590 * Verification statuses are ordered from the worse to the best, except for 5591 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5592 */ 5593 private int bestDomainVerificationStatus(int status1, int status2) { 5594 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5595 return status2; 5596 } 5597 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5598 return status1; 5599 } 5600 return (int) MathUtils.max(status1, status2); 5601 } 5602 5603 private boolean isUserEnabled(int userId) { 5604 long callingId = Binder.clearCallingIdentity(); 5605 try { 5606 UserInfo userInfo = sUserManager.getUserInfo(userId); 5607 return userInfo != null && userInfo.isEnabled(); 5608 } finally { 5609 Binder.restoreCallingIdentity(callingId); 5610 } 5611 } 5612 5613 /** 5614 * Filter out activities with systemUserOnly flag set, when current user is not System. 5615 * 5616 * @return filtered list 5617 */ 5618 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5619 if (userId == UserHandle.USER_SYSTEM) { 5620 return resolveInfos; 5621 } 5622 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5623 ResolveInfo info = resolveInfos.get(i); 5624 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5625 resolveInfos.remove(i); 5626 } 5627 } 5628 return resolveInfos; 5629 } 5630 5631 /** 5632 * @param resolveInfos list of resolve infos in descending priority order 5633 * @return if the list contains a resolve info with non-negative priority 5634 */ 5635 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5636 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5637 } 5638 5639 private static boolean hasWebURI(Intent intent) { 5640 if (intent.getData() == null) { 5641 return false; 5642 } 5643 final String scheme = intent.getScheme(); 5644 if (TextUtils.isEmpty(scheme)) { 5645 return false; 5646 } 5647 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5648 } 5649 5650 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5651 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5652 int userId) { 5653 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5654 5655 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5656 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5657 candidates.size()); 5658 } 5659 5660 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5661 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5662 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5663 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5664 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5665 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5666 5667 synchronized (mPackages) { 5668 final int count = candidates.size(); 5669 // First, try to use linked apps. Partition the candidates into four lists: 5670 // one for the final results, one for the "do not use ever", one for "undefined status" 5671 // and finally one for "browser app type". 5672 for (int n=0; n<count; n++) { 5673 ResolveInfo info = candidates.get(n); 5674 String packageName = info.activityInfo.packageName; 5675 PackageSetting ps = mSettings.mPackages.get(packageName); 5676 if (ps != null) { 5677 // Add to the special match all list (Browser use case) 5678 if (info.handleAllWebDataURI) { 5679 matchAllList.add(info); 5680 continue; 5681 } 5682 // Try to get the status from User settings first 5683 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5684 int status = (int)(packedStatus >> 32); 5685 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5686 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5687 if (DEBUG_DOMAIN_VERIFICATION) { 5688 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5689 + " : linkgen=" + linkGeneration); 5690 } 5691 // Use link-enabled generation as preferredOrder, i.e. 5692 // prefer newly-enabled over earlier-enabled. 5693 info.preferredOrder = linkGeneration; 5694 alwaysList.add(info); 5695 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5696 if (DEBUG_DOMAIN_VERIFICATION) { 5697 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5698 } 5699 neverList.add(info); 5700 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5701 if (DEBUG_DOMAIN_VERIFICATION) { 5702 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5703 } 5704 alwaysAskList.add(info); 5705 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5706 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5707 if (DEBUG_DOMAIN_VERIFICATION) { 5708 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5709 } 5710 undefinedList.add(info); 5711 } 5712 } 5713 } 5714 5715 // We'll want to include browser possibilities in a few cases 5716 boolean includeBrowser = false; 5717 5718 // First try to add the "always" resolution(s) for the current user, if any 5719 if (alwaysList.size() > 0) { 5720 result.addAll(alwaysList); 5721 } else { 5722 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5723 result.addAll(undefinedList); 5724 // Maybe add one for the other profile. 5725 if (xpDomainInfo != null && ( 5726 xpDomainInfo.bestDomainVerificationStatus 5727 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5728 result.add(xpDomainInfo.resolveInfo); 5729 } 5730 includeBrowser = true; 5731 } 5732 5733 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5734 // If there were 'always' entries their preferred order has been set, so we also 5735 // back that off to make the alternatives equivalent 5736 if (alwaysAskList.size() > 0) { 5737 for (ResolveInfo i : result) { 5738 i.preferredOrder = 0; 5739 } 5740 result.addAll(alwaysAskList); 5741 includeBrowser = true; 5742 } 5743 5744 if (includeBrowser) { 5745 // Also add browsers (all of them or only the default one) 5746 if (DEBUG_DOMAIN_VERIFICATION) { 5747 Slog.v(TAG, " ...including browsers in candidate set"); 5748 } 5749 if ((matchFlags & MATCH_ALL) != 0) { 5750 result.addAll(matchAllList); 5751 } else { 5752 // Browser/generic handling case. If there's a default browser, go straight 5753 // to that (but only if there is no other higher-priority match). 5754 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5755 int maxMatchPrio = 0; 5756 ResolveInfo defaultBrowserMatch = null; 5757 final int numCandidates = matchAllList.size(); 5758 for (int n = 0; n < numCandidates; n++) { 5759 ResolveInfo info = matchAllList.get(n); 5760 // track the highest overall match priority... 5761 if (info.priority > maxMatchPrio) { 5762 maxMatchPrio = info.priority; 5763 } 5764 // ...and the highest-priority default browser match 5765 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5766 if (defaultBrowserMatch == null 5767 || (defaultBrowserMatch.priority < info.priority)) { 5768 if (debug) { 5769 Slog.v(TAG, "Considering default browser match " + info); 5770 } 5771 defaultBrowserMatch = info; 5772 } 5773 } 5774 } 5775 if (defaultBrowserMatch != null 5776 && defaultBrowserMatch.priority >= maxMatchPrio 5777 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5778 { 5779 if (debug) { 5780 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5781 } 5782 result.add(defaultBrowserMatch); 5783 } else { 5784 result.addAll(matchAllList); 5785 } 5786 } 5787 5788 // If there is nothing selected, add all candidates and remove the ones that the user 5789 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5790 if (result.size() == 0) { 5791 result.addAll(candidates); 5792 result.removeAll(neverList); 5793 } 5794 } 5795 } 5796 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5797 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5798 result.size()); 5799 for (ResolveInfo info : result) { 5800 Slog.v(TAG, " + " + info.activityInfo); 5801 } 5802 } 5803 return result; 5804 } 5805 5806 // Returns a packed value as a long: 5807 // 5808 // high 'int'-sized word: link status: undefined/ask/never/always. 5809 // low 'int'-sized word: relative priority among 'always' results. 5810 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5811 long result = ps.getDomainVerificationStatusForUser(userId); 5812 // if none available, get the master status 5813 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5814 if (ps.getIntentFilterVerificationInfo() != null) { 5815 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5816 } 5817 } 5818 return result; 5819 } 5820 5821 private ResolveInfo querySkipCurrentProfileIntents( 5822 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5823 int flags, int sourceUserId) { 5824 if (matchingFilters != null) { 5825 int size = matchingFilters.size(); 5826 for (int i = 0; i < size; i ++) { 5827 CrossProfileIntentFilter filter = matchingFilters.get(i); 5828 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5829 // Checking if there are activities in the target user that can handle the 5830 // intent. 5831 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5832 resolvedType, flags, sourceUserId); 5833 if (resolveInfo != null) { 5834 return resolveInfo; 5835 } 5836 } 5837 } 5838 } 5839 return null; 5840 } 5841 5842 // Return matching ResolveInfo in target user if any. 5843 private ResolveInfo queryCrossProfileIntents( 5844 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5845 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5846 if (matchingFilters != null) { 5847 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5848 // match the same intent. For performance reasons, it is better not to 5849 // run queryIntent twice for the same userId 5850 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5851 int size = matchingFilters.size(); 5852 for (int i = 0; i < size; i++) { 5853 CrossProfileIntentFilter filter = matchingFilters.get(i); 5854 int targetUserId = filter.getTargetUserId(); 5855 boolean skipCurrentProfile = 5856 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5857 boolean skipCurrentProfileIfNoMatchFound = 5858 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5859 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5860 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5861 // Checking if there are activities in the target user that can handle the 5862 // intent. 5863 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5864 resolvedType, flags, sourceUserId); 5865 if (resolveInfo != null) return resolveInfo; 5866 alreadyTriedUserIds.put(targetUserId, true); 5867 } 5868 } 5869 } 5870 return null; 5871 } 5872 5873 /** 5874 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5875 * will forward the intent to the filter's target user. 5876 * Otherwise, returns null. 5877 */ 5878 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5879 String resolvedType, int flags, int sourceUserId) { 5880 int targetUserId = filter.getTargetUserId(); 5881 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5882 resolvedType, flags, targetUserId); 5883 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5884 // If all the matches in the target profile are suspended, return null. 5885 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5886 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5887 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5888 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5889 targetUserId); 5890 } 5891 } 5892 } 5893 return null; 5894 } 5895 5896 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5897 int sourceUserId, int targetUserId) { 5898 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5899 long ident = Binder.clearCallingIdentity(); 5900 boolean targetIsProfile; 5901 try { 5902 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5903 } finally { 5904 Binder.restoreCallingIdentity(ident); 5905 } 5906 String className; 5907 if (targetIsProfile) { 5908 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5909 } else { 5910 className = FORWARD_INTENT_TO_PARENT; 5911 } 5912 ComponentName forwardingActivityComponentName = new ComponentName( 5913 mAndroidApplication.packageName, className); 5914 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5915 sourceUserId); 5916 if (!targetIsProfile) { 5917 forwardingActivityInfo.showUserIcon = targetUserId; 5918 forwardingResolveInfo.noResourceId = true; 5919 } 5920 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5921 forwardingResolveInfo.priority = 0; 5922 forwardingResolveInfo.preferredOrder = 0; 5923 forwardingResolveInfo.match = 0; 5924 forwardingResolveInfo.isDefault = true; 5925 forwardingResolveInfo.filter = filter; 5926 forwardingResolveInfo.targetUserId = targetUserId; 5927 return forwardingResolveInfo; 5928 } 5929 5930 @Override 5931 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5932 Intent[] specifics, String[] specificTypes, Intent intent, 5933 String resolvedType, int flags, int userId) { 5934 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5935 specificTypes, intent, resolvedType, flags, userId)); 5936 } 5937 5938 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5939 Intent[] specifics, String[] specificTypes, Intent intent, 5940 String resolvedType, int flags, int userId) { 5941 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5942 flags = updateFlagsForResolve(flags, userId, intent); 5943 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5944 false /* requireFullPermission */, false /* checkShell */, 5945 "query intent activity options"); 5946 final String resultsAction = intent.getAction(); 5947 5948 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5949 | PackageManager.GET_RESOLVED_FILTER, userId); 5950 5951 if (DEBUG_INTENT_MATCHING) { 5952 Log.v(TAG, "Query " + intent + ": " + results); 5953 } 5954 5955 int specificsPos = 0; 5956 int N; 5957 5958 // todo: note that the algorithm used here is O(N^2). This 5959 // isn't a problem in our current environment, but if we start running 5960 // into situations where we have more than 5 or 10 matches then this 5961 // should probably be changed to something smarter... 5962 5963 // First we go through and resolve each of the specific items 5964 // that were supplied, taking care of removing any corresponding 5965 // duplicate items in the generic resolve list. 5966 if (specifics != null) { 5967 for (int i=0; i<specifics.length; i++) { 5968 final Intent sintent = specifics[i]; 5969 if (sintent == null) { 5970 continue; 5971 } 5972 5973 if (DEBUG_INTENT_MATCHING) { 5974 Log.v(TAG, "Specific #" + i + ": " + sintent); 5975 } 5976 5977 String action = sintent.getAction(); 5978 if (resultsAction != null && resultsAction.equals(action)) { 5979 // If this action was explicitly requested, then don't 5980 // remove things that have it. 5981 action = null; 5982 } 5983 5984 ResolveInfo ri = null; 5985 ActivityInfo ai = null; 5986 5987 ComponentName comp = sintent.getComponent(); 5988 if (comp == null) { 5989 ri = resolveIntent( 5990 sintent, 5991 specificTypes != null ? specificTypes[i] : null, 5992 flags, userId); 5993 if (ri == null) { 5994 continue; 5995 } 5996 if (ri == mResolveInfo) { 5997 // ACK! Must do something better with this. 5998 } 5999 ai = ri.activityInfo; 6000 comp = new ComponentName(ai.applicationInfo.packageName, 6001 ai.name); 6002 } else { 6003 ai = getActivityInfo(comp, flags, userId); 6004 if (ai == null) { 6005 continue; 6006 } 6007 } 6008 6009 // Look for any generic query activities that are duplicates 6010 // of this specific one, and remove them from the results. 6011 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6012 N = results.size(); 6013 int j; 6014 for (j=specificsPos; j<N; j++) { 6015 ResolveInfo sri = results.get(j); 6016 if ((sri.activityInfo.name.equals(comp.getClassName()) 6017 && sri.activityInfo.applicationInfo.packageName.equals( 6018 comp.getPackageName())) 6019 || (action != null && sri.filter.matchAction(action))) { 6020 results.remove(j); 6021 if (DEBUG_INTENT_MATCHING) Log.v( 6022 TAG, "Removing duplicate item from " + j 6023 + " due to specific " + specificsPos); 6024 if (ri == null) { 6025 ri = sri; 6026 } 6027 j--; 6028 N--; 6029 } 6030 } 6031 6032 // Add this specific item to its proper place. 6033 if (ri == null) { 6034 ri = new ResolveInfo(); 6035 ri.activityInfo = ai; 6036 } 6037 results.add(specificsPos, ri); 6038 ri.specificIndex = i; 6039 specificsPos++; 6040 } 6041 } 6042 6043 // Now we go through the remaining generic results and remove any 6044 // duplicate actions that are found here. 6045 N = results.size(); 6046 for (int i=specificsPos; i<N-1; i++) { 6047 final ResolveInfo rii = results.get(i); 6048 if (rii.filter == null) { 6049 continue; 6050 } 6051 6052 // Iterate over all of the actions of this result's intent 6053 // filter... typically this should be just one. 6054 final Iterator<String> it = rii.filter.actionsIterator(); 6055 if (it == null) { 6056 continue; 6057 } 6058 while (it.hasNext()) { 6059 final String action = it.next(); 6060 if (resultsAction != null && resultsAction.equals(action)) { 6061 // If this action was explicitly requested, then don't 6062 // remove things that have it. 6063 continue; 6064 } 6065 for (int j=i+1; j<N; j++) { 6066 final ResolveInfo rij = results.get(j); 6067 if (rij.filter != null && rij.filter.hasAction(action)) { 6068 results.remove(j); 6069 if (DEBUG_INTENT_MATCHING) Log.v( 6070 TAG, "Removing duplicate item from " + j 6071 + " due to action " + action + " at " + i); 6072 j--; 6073 N--; 6074 } 6075 } 6076 } 6077 6078 // If the caller didn't request filter information, drop it now 6079 // so we don't have to marshall/unmarshall it. 6080 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6081 rii.filter = null; 6082 } 6083 } 6084 6085 // Filter out the caller activity if so requested. 6086 if (caller != null) { 6087 N = results.size(); 6088 for (int i=0; i<N; i++) { 6089 ActivityInfo ainfo = results.get(i).activityInfo; 6090 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6091 && caller.getClassName().equals(ainfo.name)) { 6092 results.remove(i); 6093 break; 6094 } 6095 } 6096 } 6097 6098 // If the caller didn't request filter information, 6099 // drop them now so we don't have to 6100 // marshall/unmarshall it. 6101 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6102 N = results.size(); 6103 for (int i=0; i<N; i++) { 6104 results.get(i).filter = null; 6105 } 6106 } 6107 6108 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6109 return results; 6110 } 6111 6112 @Override 6113 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6114 String resolvedType, int flags, int userId) { 6115 return new ParceledListSlice<>( 6116 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6117 } 6118 6119 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6120 String resolvedType, int flags, int userId) { 6121 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6122 flags = updateFlagsForResolve(flags, userId, intent); 6123 ComponentName comp = intent.getComponent(); 6124 if (comp == null) { 6125 if (intent.getSelector() != null) { 6126 intent = intent.getSelector(); 6127 comp = intent.getComponent(); 6128 } 6129 } 6130 if (comp != null) { 6131 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6132 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6133 if (ai != null) { 6134 ResolveInfo ri = new ResolveInfo(); 6135 ri.activityInfo = ai; 6136 list.add(ri); 6137 } 6138 return list; 6139 } 6140 6141 // reader 6142 synchronized (mPackages) { 6143 String pkgName = intent.getPackage(); 6144 if (pkgName == null) { 6145 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6146 } 6147 final PackageParser.Package pkg = mPackages.get(pkgName); 6148 if (pkg != null) { 6149 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6150 userId); 6151 } 6152 return Collections.emptyList(); 6153 } 6154 } 6155 6156 @Override 6157 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6158 if (!sUserManager.exists(userId)) return null; 6159 flags = updateFlagsForResolve(flags, userId, intent); 6160 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6161 if (query != null) { 6162 if (query.size() >= 1) { 6163 // If there is more than one service with the same priority, 6164 // just arbitrarily pick the first one. 6165 return query.get(0); 6166 } 6167 } 6168 return null; 6169 } 6170 6171 @Override 6172 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6173 String resolvedType, int flags, int userId) { 6174 return new ParceledListSlice<>( 6175 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6176 } 6177 6178 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6179 String resolvedType, int flags, int userId) { 6180 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6181 flags = updateFlagsForResolve(flags, userId, intent); 6182 ComponentName comp = intent.getComponent(); 6183 if (comp == null) { 6184 if (intent.getSelector() != null) { 6185 intent = intent.getSelector(); 6186 comp = intent.getComponent(); 6187 } 6188 } 6189 if (comp != null) { 6190 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6191 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6192 if (si != null) { 6193 final ResolveInfo ri = new ResolveInfo(); 6194 ri.serviceInfo = si; 6195 list.add(ri); 6196 } 6197 return list; 6198 } 6199 6200 // reader 6201 synchronized (mPackages) { 6202 String pkgName = intent.getPackage(); 6203 if (pkgName == null) { 6204 return mServices.queryIntent(intent, resolvedType, flags, userId); 6205 } 6206 final PackageParser.Package pkg = mPackages.get(pkgName); 6207 if (pkg != null) { 6208 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6209 userId); 6210 } 6211 return Collections.emptyList(); 6212 } 6213 } 6214 6215 @Override 6216 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6217 String resolvedType, int flags, int userId) { 6218 return new ParceledListSlice<>( 6219 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6220 } 6221 6222 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6223 Intent intent, String resolvedType, int flags, int userId) { 6224 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6225 flags = updateFlagsForResolve(flags, userId, intent); 6226 ComponentName comp = intent.getComponent(); 6227 if (comp == null) { 6228 if (intent.getSelector() != null) { 6229 intent = intent.getSelector(); 6230 comp = intent.getComponent(); 6231 } 6232 } 6233 if (comp != null) { 6234 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6235 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6236 if (pi != null) { 6237 final ResolveInfo ri = new ResolveInfo(); 6238 ri.providerInfo = pi; 6239 list.add(ri); 6240 } 6241 return list; 6242 } 6243 6244 // reader 6245 synchronized (mPackages) { 6246 String pkgName = intent.getPackage(); 6247 if (pkgName == null) { 6248 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6249 } 6250 final PackageParser.Package pkg = mPackages.get(pkgName); 6251 if (pkg != null) { 6252 return mProviders.queryIntentForPackage( 6253 intent, resolvedType, flags, pkg.providers, userId); 6254 } 6255 return Collections.emptyList(); 6256 } 6257 } 6258 6259 @Override 6260 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6261 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6262 flags = updateFlagsForPackage(flags, userId, null); 6263 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6264 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6265 true /* requireFullPermission */, false /* checkShell */, 6266 "get installed packages"); 6267 6268 // writer 6269 synchronized (mPackages) { 6270 ArrayList<PackageInfo> list; 6271 if (listUninstalled) { 6272 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6273 for (PackageSetting ps : mSettings.mPackages.values()) { 6274 final PackageInfo pi; 6275 if (ps.pkg != null) { 6276 pi = generatePackageInfo(ps, flags, userId); 6277 } else { 6278 pi = generatePackageInfo(ps, flags, userId); 6279 } 6280 if (pi != null) { 6281 list.add(pi); 6282 } 6283 } 6284 } else { 6285 list = new ArrayList<PackageInfo>(mPackages.size()); 6286 for (PackageParser.Package p : mPackages.values()) { 6287 final PackageInfo pi = 6288 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6289 if (pi != null) { 6290 list.add(pi); 6291 } 6292 } 6293 } 6294 6295 return new ParceledListSlice<PackageInfo>(list); 6296 } 6297 } 6298 6299 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6300 String[] permissions, boolean[] tmp, int flags, int userId) { 6301 int numMatch = 0; 6302 final PermissionsState permissionsState = ps.getPermissionsState(); 6303 for (int i=0; i<permissions.length; i++) { 6304 final String permission = permissions[i]; 6305 if (permissionsState.hasPermission(permission, userId)) { 6306 tmp[i] = true; 6307 numMatch++; 6308 } else { 6309 tmp[i] = false; 6310 } 6311 } 6312 if (numMatch == 0) { 6313 return; 6314 } 6315 final PackageInfo pi; 6316 if (ps.pkg != null) { 6317 pi = generatePackageInfo(ps, flags, userId); 6318 } else { 6319 pi = generatePackageInfo(ps, flags, userId); 6320 } 6321 // The above might return null in cases of uninstalled apps or install-state 6322 // skew across users/profiles. 6323 if (pi != null) { 6324 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6325 if (numMatch == permissions.length) { 6326 pi.requestedPermissions = permissions; 6327 } else { 6328 pi.requestedPermissions = new String[numMatch]; 6329 numMatch = 0; 6330 for (int i=0; i<permissions.length; i++) { 6331 if (tmp[i]) { 6332 pi.requestedPermissions[numMatch] = permissions[i]; 6333 numMatch++; 6334 } 6335 } 6336 } 6337 } 6338 list.add(pi); 6339 } 6340 } 6341 6342 @Override 6343 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6344 String[] permissions, int flags, int userId) { 6345 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6346 flags = updateFlagsForPackage(flags, userId, permissions); 6347 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6348 6349 // writer 6350 synchronized (mPackages) { 6351 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6352 boolean[] tmpBools = new boolean[permissions.length]; 6353 if (listUninstalled) { 6354 for (PackageSetting ps : mSettings.mPackages.values()) { 6355 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6356 } 6357 } else { 6358 for (PackageParser.Package pkg : mPackages.values()) { 6359 PackageSetting ps = (PackageSetting)pkg.mExtras; 6360 if (ps != null) { 6361 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6362 userId); 6363 } 6364 } 6365 } 6366 6367 return new ParceledListSlice<PackageInfo>(list); 6368 } 6369 } 6370 6371 @Override 6372 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6373 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6374 flags = updateFlagsForApplication(flags, userId, null); 6375 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6376 6377 // writer 6378 synchronized (mPackages) { 6379 ArrayList<ApplicationInfo> list; 6380 if (listUninstalled) { 6381 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6382 for (PackageSetting ps : mSettings.mPackages.values()) { 6383 ApplicationInfo ai; 6384 if (ps.pkg != null) { 6385 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6386 ps.readUserState(userId), userId); 6387 } else { 6388 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6389 } 6390 if (ai != null) { 6391 list.add(ai); 6392 } 6393 } 6394 } else { 6395 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6396 for (PackageParser.Package p : mPackages.values()) { 6397 if (p.mExtras != null) { 6398 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6399 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6400 if (ai != null) { 6401 list.add(ai); 6402 } 6403 } 6404 } 6405 } 6406 6407 return new ParceledListSlice<ApplicationInfo>(list); 6408 } 6409 } 6410 6411 @Override 6412 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6413 if (DISABLE_EPHEMERAL_APPS) { 6414 return null; 6415 } 6416 6417 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6418 "getEphemeralApplications"); 6419 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6420 true /* requireFullPermission */, false /* checkShell */, 6421 "getEphemeralApplications"); 6422 synchronized (mPackages) { 6423 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6424 .getEphemeralApplicationsLPw(userId); 6425 if (ephemeralApps != null) { 6426 return new ParceledListSlice<>(ephemeralApps); 6427 } 6428 } 6429 return null; 6430 } 6431 6432 @Override 6433 public boolean isEphemeralApplication(String packageName, int userId) { 6434 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6435 true /* requireFullPermission */, false /* checkShell */, 6436 "isEphemeral"); 6437 if (DISABLE_EPHEMERAL_APPS) { 6438 return false; 6439 } 6440 6441 if (!isCallerSameApp(packageName)) { 6442 return false; 6443 } 6444 synchronized (mPackages) { 6445 PackageParser.Package pkg = mPackages.get(packageName); 6446 if (pkg != null) { 6447 return pkg.applicationInfo.isEphemeralApp(); 6448 } 6449 } 6450 return false; 6451 } 6452 6453 @Override 6454 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6455 if (DISABLE_EPHEMERAL_APPS) { 6456 return null; 6457 } 6458 6459 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6460 true /* requireFullPermission */, false /* checkShell */, 6461 "getCookie"); 6462 if (!isCallerSameApp(packageName)) { 6463 return null; 6464 } 6465 synchronized (mPackages) { 6466 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6467 packageName, userId); 6468 } 6469 } 6470 6471 @Override 6472 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6473 if (DISABLE_EPHEMERAL_APPS) { 6474 return true; 6475 } 6476 6477 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6478 true /* requireFullPermission */, true /* checkShell */, 6479 "setCookie"); 6480 if (!isCallerSameApp(packageName)) { 6481 return false; 6482 } 6483 synchronized (mPackages) { 6484 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6485 packageName, cookie, userId); 6486 } 6487 } 6488 6489 @Override 6490 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6491 if (DISABLE_EPHEMERAL_APPS) { 6492 return null; 6493 } 6494 6495 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6496 "getEphemeralApplicationIcon"); 6497 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6498 true /* requireFullPermission */, false /* checkShell */, 6499 "getEphemeralApplicationIcon"); 6500 synchronized (mPackages) { 6501 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6502 packageName, userId); 6503 } 6504 } 6505 6506 private boolean isCallerSameApp(String packageName) { 6507 PackageParser.Package pkg = mPackages.get(packageName); 6508 return pkg != null 6509 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6510 } 6511 6512 @Override 6513 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6514 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6515 } 6516 6517 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6518 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6519 6520 // reader 6521 synchronized (mPackages) { 6522 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6523 final int userId = UserHandle.getCallingUserId(); 6524 while (i.hasNext()) { 6525 final PackageParser.Package p = i.next(); 6526 if (p.applicationInfo == null) continue; 6527 6528 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6529 && !p.applicationInfo.isDirectBootAware(); 6530 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6531 && p.applicationInfo.isDirectBootAware(); 6532 6533 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6534 && (!mSafeMode || isSystemApp(p)) 6535 && (matchesUnaware || matchesAware)) { 6536 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6537 if (ps != null) { 6538 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6539 ps.readUserState(userId), userId); 6540 if (ai != null) { 6541 finalList.add(ai); 6542 } 6543 } 6544 } 6545 } 6546 } 6547 6548 return finalList; 6549 } 6550 6551 @Override 6552 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6553 if (!sUserManager.exists(userId)) return null; 6554 flags = updateFlagsForComponent(flags, userId, name); 6555 // reader 6556 synchronized (mPackages) { 6557 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6558 PackageSetting ps = provider != null 6559 ? mSettings.mPackages.get(provider.owner.packageName) 6560 : null; 6561 return ps != null 6562 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6563 ? PackageParser.generateProviderInfo(provider, flags, 6564 ps.readUserState(userId), userId) 6565 : null; 6566 } 6567 } 6568 6569 /** 6570 * @deprecated 6571 */ 6572 @Deprecated 6573 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6574 // reader 6575 synchronized (mPackages) { 6576 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6577 .entrySet().iterator(); 6578 final int userId = UserHandle.getCallingUserId(); 6579 while (i.hasNext()) { 6580 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6581 PackageParser.Provider p = entry.getValue(); 6582 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6583 6584 if (ps != null && p.syncable 6585 && (!mSafeMode || (p.info.applicationInfo.flags 6586 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6587 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6588 ps.readUserState(userId), userId); 6589 if (info != null) { 6590 outNames.add(entry.getKey()); 6591 outInfo.add(info); 6592 } 6593 } 6594 } 6595 } 6596 } 6597 6598 @Override 6599 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6600 int uid, int flags) { 6601 final int userId = processName != null ? UserHandle.getUserId(uid) 6602 : UserHandle.getCallingUserId(); 6603 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6604 flags = updateFlagsForComponent(flags, userId, processName); 6605 6606 ArrayList<ProviderInfo> finalList = null; 6607 // reader 6608 synchronized (mPackages) { 6609 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6610 while (i.hasNext()) { 6611 final PackageParser.Provider p = i.next(); 6612 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6613 if (ps != null && p.info.authority != null 6614 && (processName == null 6615 || (p.info.processName.equals(processName) 6616 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6617 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6618 if (finalList == null) { 6619 finalList = new ArrayList<ProviderInfo>(3); 6620 } 6621 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6622 ps.readUserState(userId), userId); 6623 if (info != null) { 6624 finalList.add(info); 6625 } 6626 } 6627 } 6628 } 6629 6630 if (finalList != null) { 6631 Collections.sort(finalList, mProviderInitOrderSorter); 6632 return new ParceledListSlice<ProviderInfo>(finalList); 6633 } 6634 6635 return ParceledListSlice.emptyList(); 6636 } 6637 6638 @Override 6639 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6640 // reader 6641 synchronized (mPackages) { 6642 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6643 return PackageParser.generateInstrumentationInfo(i, flags); 6644 } 6645 } 6646 6647 @Override 6648 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6649 String targetPackage, int flags) { 6650 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6651 } 6652 6653 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6654 int flags) { 6655 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6656 6657 // reader 6658 synchronized (mPackages) { 6659 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6660 while (i.hasNext()) { 6661 final PackageParser.Instrumentation p = i.next(); 6662 if (targetPackage == null 6663 || targetPackage.equals(p.info.targetPackage)) { 6664 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6665 flags); 6666 if (ii != null) { 6667 finalList.add(ii); 6668 } 6669 } 6670 } 6671 } 6672 6673 return finalList; 6674 } 6675 6676 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6677 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6678 if (overlays == null) { 6679 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6680 return; 6681 } 6682 for (PackageParser.Package opkg : overlays.values()) { 6683 // Not much to do if idmap fails: we already logged the error 6684 // and we certainly don't want to abort installation of pkg simply 6685 // because an overlay didn't fit properly. For these reasons, 6686 // ignore the return value of createIdmapForPackagePairLI. 6687 createIdmapForPackagePairLI(pkg, opkg); 6688 } 6689 } 6690 6691 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6692 PackageParser.Package opkg) { 6693 if (!opkg.mTrustedOverlay) { 6694 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6695 opkg.baseCodePath + ": overlay not trusted"); 6696 return false; 6697 } 6698 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6699 if (overlaySet == null) { 6700 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6701 opkg.baseCodePath + " but target package has no known overlays"); 6702 return false; 6703 } 6704 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6705 // TODO: generate idmap for split APKs 6706 try { 6707 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6708 } catch (InstallerException e) { 6709 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6710 + opkg.baseCodePath); 6711 return false; 6712 } 6713 PackageParser.Package[] overlayArray = 6714 overlaySet.values().toArray(new PackageParser.Package[0]); 6715 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6716 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6717 return p1.mOverlayPriority - p2.mOverlayPriority; 6718 } 6719 }; 6720 Arrays.sort(overlayArray, cmp); 6721 6722 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6723 int i = 0; 6724 for (PackageParser.Package p : overlayArray) { 6725 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6726 } 6727 return true; 6728 } 6729 6730 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6731 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6732 try { 6733 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6734 } finally { 6735 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6736 } 6737 } 6738 6739 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6740 final File[] files = dir.listFiles(); 6741 if (ArrayUtils.isEmpty(files)) { 6742 Log.d(TAG, "No files in app dir " + dir); 6743 return; 6744 } 6745 6746 if (DEBUG_PACKAGE_SCANNING) { 6747 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6748 + " flags=0x" + Integer.toHexString(parseFlags)); 6749 } 6750 6751 for (File file : files) { 6752 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6753 && !PackageInstallerService.isStageName(file.getName()); 6754 if (!isPackage) { 6755 // Ignore entries which are not packages 6756 continue; 6757 } 6758 try { 6759 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6760 scanFlags, currentTime, null); 6761 } catch (PackageManagerException e) { 6762 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6763 6764 // Delete invalid userdata apps 6765 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6766 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6767 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6768 removeCodePathLI(file); 6769 } 6770 } 6771 } 6772 } 6773 6774 private static File getSettingsProblemFile() { 6775 File dataDir = Environment.getDataDirectory(); 6776 File systemDir = new File(dataDir, "system"); 6777 File fname = new File(systemDir, "uiderrors.txt"); 6778 return fname; 6779 } 6780 6781 static void reportSettingsProblem(int priority, String msg) { 6782 logCriticalInfo(priority, msg); 6783 } 6784 6785 static void logCriticalInfo(int priority, String msg) { 6786 Slog.println(priority, TAG, msg); 6787 EventLogTags.writePmCriticalInfo(msg); 6788 try { 6789 File fname = getSettingsProblemFile(); 6790 FileOutputStream out = new FileOutputStream(fname, true); 6791 PrintWriter pw = new FastPrintWriter(out); 6792 SimpleDateFormat formatter = new SimpleDateFormat(); 6793 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6794 pw.println(dateString + ": " + msg); 6795 pw.close(); 6796 FileUtils.setPermissions( 6797 fname.toString(), 6798 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6799 -1, -1); 6800 } catch (java.io.IOException e) { 6801 } 6802 } 6803 6804 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6805 if (srcFile.isDirectory()) { 6806 final File baseFile = new File(pkg.baseCodePath); 6807 long maxModifiedTime = baseFile.lastModified(); 6808 if (pkg.splitCodePaths != null) { 6809 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6810 final File splitFile = new File(pkg.splitCodePaths[i]); 6811 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6812 } 6813 } 6814 return maxModifiedTime; 6815 } 6816 return srcFile.lastModified(); 6817 } 6818 6819 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6820 final int policyFlags) throws PackageManagerException { 6821 if (ps != null 6822 && ps.codePath.equals(srcFile) 6823 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6824 && !isCompatSignatureUpdateNeeded(pkg) 6825 && !isRecoverSignatureUpdateNeeded(pkg)) { 6826 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6827 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6828 ArraySet<PublicKey> signingKs; 6829 synchronized (mPackages) { 6830 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6831 } 6832 if (ps.signatures.mSignatures != null 6833 && ps.signatures.mSignatures.length != 0 6834 && signingKs != null) { 6835 // Optimization: reuse the existing cached certificates 6836 // if the package appears to be unchanged. 6837 pkg.mSignatures = ps.signatures.mSignatures; 6838 pkg.mSigningKeys = signingKs; 6839 return; 6840 } 6841 6842 Slog.w(TAG, "PackageSetting for " + ps.name 6843 + " is missing signatures. Collecting certs again to recover them."); 6844 } else { 6845 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6846 } 6847 6848 try { 6849 PackageParser.collectCertificates(pkg, policyFlags); 6850 } catch (PackageParserException e) { 6851 throw PackageManagerException.from(e); 6852 } 6853 } 6854 6855 /** 6856 * Traces a package scan. 6857 * @see #scanPackageLI(File, int, int, long, UserHandle) 6858 */ 6859 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6860 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6861 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6862 try { 6863 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6864 } finally { 6865 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6866 } 6867 } 6868 6869 /** 6870 * Scans a package and returns the newly parsed package. 6871 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6872 */ 6873 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6874 long currentTime, UserHandle user) throws PackageManagerException { 6875 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6876 PackageParser pp = new PackageParser(); 6877 pp.setSeparateProcesses(mSeparateProcesses); 6878 pp.setOnlyCoreApps(mOnlyCore); 6879 pp.setDisplayMetrics(mMetrics); 6880 6881 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6882 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6883 } 6884 6885 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6886 final PackageParser.Package pkg; 6887 try { 6888 pkg = pp.parsePackage(scanFile, parseFlags); 6889 } catch (PackageParserException e) { 6890 throw PackageManagerException.from(e); 6891 } finally { 6892 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6893 } 6894 6895 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6896 } 6897 6898 /** 6899 * Scans a package and returns the newly parsed package. 6900 * @throws PackageManagerException on a parse error. 6901 */ 6902 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6903 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6904 throws PackageManagerException { 6905 // If the package has children and this is the first dive in the function 6906 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6907 // packages (parent and children) would be successfully scanned before the 6908 // actual scan since scanning mutates internal state and we want to atomically 6909 // install the package and its children. 6910 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6911 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6912 scanFlags |= SCAN_CHECK_ONLY; 6913 } 6914 } else { 6915 scanFlags &= ~SCAN_CHECK_ONLY; 6916 } 6917 6918 // Scan the parent 6919 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6920 scanFlags, currentTime, user); 6921 6922 // Scan the children 6923 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6924 for (int i = 0; i < childCount; i++) { 6925 PackageParser.Package childPackage = pkg.childPackages.get(i); 6926 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6927 currentTime, user); 6928 } 6929 6930 6931 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6932 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6933 } 6934 6935 return scannedPkg; 6936 } 6937 6938 /** 6939 * Scans a package and returns the newly parsed package. 6940 * @throws PackageManagerException on a parse error. 6941 */ 6942 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6943 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6944 throws PackageManagerException { 6945 PackageSetting ps = null; 6946 PackageSetting updatedPkg; 6947 // reader 6948 synchronized (mPackages) { 6949 // Look to see if we already know about this package. 6950 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6951 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6952 // This package has been renamed to its original name. Let's 6953 // use that. 6954 ps = mSettings.peekPackageLPr(oldName); 6955 } 6956 // If there was no original package, see one for the real package name. 6957 if (ps == null) { 6958 ps = mSettings.peekPackageLPr(pkg.packageName); 6959 } 6960 // Check to see if this package could be hiding/updating a system 6961 // package. Must look for it either under the original or real 6962 // package name depending on our state. 6963 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6964 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6965 6966 // If this is a package we don't know about on the system partition, we 6967 // may need to remove disabled child packages on the system partition 6968 // or may need to not add child packages if the parent apk is updated 6969 // on the data partition and no longer defines this child package. 6970 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6971 // If this is a parent package for an updated system app and this system 6972 // app got an OTA update which no longer defines some of the child packages 6973 // we have to prune them from the disabled system packages. 6974 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6975 if (disabledPs != null) { 6976 final int scannedChildCount = (pkg.childPackages != null) 6977 ? pkg.childPackages.size() : 0; 6978 final int disabledChildCount = disabledPs.childPackageNames != null 6979 ? disabledPs.childPackageNames.size() : 0; 6980 for (int i = 0; i < disabledChildCount; i++) { 6981 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6982 boolean disabledPackageAvailable = false; 6983 for (int j = 0; j < scannedChildCount; j++) { 6984 PackageParser.Package childPkg = pkg.childPackages.get(j); 6985 if (childPkg.packageName.equals(disabledChildPackageName)) { 6986 disabledPackageAvailable = true; 6987 break; 6988 } 6989 } 6990 if (!disabledPackageAvailable) { 6991 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6992 } 6993 } 6994 } 6995 } 6996 } 6997 6998 boolean updatedPkgBetter = false; 6999 // First check if this is a system package that may involve an update 7000 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7001 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7002 // it needs to drop FLAG_PRIVILEGED. 7003 if (locationIsPrivileged(scanFile)) { 7004 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7005 } else { 7006 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7007 } 7008 7009 if (ps != null && !ps.codePath.equals(scanFile)) { 7010 // The path has changed from what was last scanned... check the 7011 // version of the new path against what we have stored to determine 7012 // what to do. 7013 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7014 if (pkg.mVersionCode <= ps.versionCode) { 7015 // The system package has been updated and the code path does not match 7016 // Ignore entry. Skip it. 7017 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7018 + " ignored: updated version " + ps.versionCode 7019 + " better than this " + pkg.mVersionCode); 7020 if (!updatedPkg.codePath.equals(scanFile)) { 7021 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7022 + ps.name + " changing from " + updatedPkg.codePathString 7023 + " to " + scanFile); 7024 updatedPkg.codePath = scanFile; 7025 updatedPkg.codePathString = scanFile.toString(); 7026 updatedPkg.resourcePath = scanFile; 7027 updatedPkg.resourcePathString = scanFile.toString(); 7028 } 7029 updatedPkg.pkg = pkg; 7030 updatedPkg.versionCode = pkg.mVersionCode; 7031 7032 // Update the disabled system child packages to point to the package too. 7033 final int childCount = updatedPkg.childPackageNames != null 7034 ? updatedPkg.childPackageNames.size() : 0; 7035 for (int i = 0; i < childCount; i++) { 7036 String childPackageName = updatedPkg.childPackageNames.get(i); 7037 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7038 childPackageName); 7039 if (updatedChildPkg != null) { 7040 updatedChildPkg.pkg = pkg; 7041 updatedChildPkg.versionCode = pkg.mVersionCode; 7042 } 7043 } 7044 7045 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7046 + scanFile + " ignored: updated version " + ps.versionCode 7047 + " better than this " + pkg.mVersionCode); 7048 } else { 7049 // The current app on the system partition is better than 7050 // what we have updated to on the data partition; switch 7051 // back to the system partition version. 7052 // At this point, its safely assumed that package installation for 7053 // apps in system partition will go through. If not there won't be a working 7054 // version of the app 7055 // writer 7056 synchronized (mPackages) { 7057 // Just remove the loaded entries from package lists. 7058 mPackages.remove(ps.name); 7059 } 7060 7061 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7062 + " reverting from " + ps.codePathString 7063 + ": new version " + pkg.mVersionCode 7064 + " better than installed " + ps.versionCode); 7065 7066 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7067 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7068 synchronized (mInstallLock) { 7069 args.cleanUpResourcesLI(); 7070 } 7071 synchronized (mPackages) { 7072 mSettings.enableSystemPackageLPw(ps.name); 7073 } 7074 updatedPkgBetter = true; 7075 } 7076 } 7077 } 7078 7079 if (updatedPkg != null) { 7080 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7081 // initially 7082 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7083 7084 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7085 // flag set initially 7086 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7087 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7088 } 7089 } 7090 7091 // Verify certificates against what was last scanned 7092 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7093 7094 /* 7095 * A new system app appeared, but we already had a non-system one of the 7096 * same name installed earlier. 7097 */ 7098 boolean shouldHideSystemApp = false; 7099 if (updatedPkg == null && ps != null 7100 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7101 /* 7102 * Check to make sure the signatures match first. If they don't, 7103 * wipe the installed application and its data. 7104 */ 7105 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7106 != PackageManager.SIGNATURE_MATCH) { 7107 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7108 + " signatures don't match existing userdata copy; removing"); 7109 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7110 "scanPackageInternalLI")) { 7111 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7112 } 7113 ps = null; 7114 } else { 7115 /* 7116 * If the newly-added system app is an older version than the 7117 * already installed version, hide it. It will be scanned later 7118 * and re-added like an update. 7119 */ 7120 if (pkg.mVersionCode <= ps.versionCode) { 7121 shouldHideSystemApp = true; 7122 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7123 + " but new version " + pkg.mVersionCode + " better than installed " 7124 + ps.versionCode + "; hiding system"); 7125 } else { 7126 /* 7127 * The newly found system app is a newer version that the 7128 * one previously installed. Simply remove the 7129 * already-installed application and replace it with our own 7130 * while keeping the application data. 7131 */ 7132 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7133 + " reverting from " + ps.codePathString + ": new version " 7134 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7135 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7136 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7137 synchronized (mInstallLock) { 7138 args.cleanUpResourcesLI(); 7139 } 7140 } 7141 } 7142 } 7143 7144 // The apk is forward locked (not public) if its code and resources 7145 // are kept in different files. (except for app in either system or 7146 // vendor path). 7147 // TODO grab this value from PackageSettings 7148 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7149 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7150 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7151 } 7152 } 7153 7154 // TODO: extend to support forward-locked splits 7155 String resourcePath = null; 7156 String baseResourcePath = null; 7157 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7158 if (ps != null && ps.resourcePathString != null) { 7159 resourcePath = ps.resourcePathString; 7160 baseResourcePath = ps.resourcePathString; 7161 } else { 7162 // Should not happen at all. Just log an error. 7163 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7164 } 7165 } else { 7166 resourcePath = pkg.codePath; 7167 baseResourcePath = pkg.baseCodePath; 7168 } 7169 7170 // Set application objects path explicitly. 7171 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7172 pkg.setApplicationInfoCodePath(pkg.codePath); 7173 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7174 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7175 pkg.setApplicationInfoResourcePath(resourcePath); 7176 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7177 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7178 7179 // Note that we invoke the following method only if we are about to unpack an application 7180 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7181 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7182 7183 /* 7184 * If the system app should be overridden by a previously installed 7185 * data, hide the system app now and let the /data/app scan pick it up 7186 * again. 7187 */ 7188 if (shouldHideSystemApp) { 7189 synchronized (mPackages) { 7190 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7191 } 7192 } 7193 7194 return scannedPkg; 7195 } 7196 7197 private static String fixProcessName(String defProcessName, 7198 String processName, int uid) { 7199 if (processName == null) { 7200 return defProcessName; 7201 } 7202 return processName; 7203 } 7204 7205 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7206 throws PackageManagerException { 7207 if (pkgSetting.signatures.mSignatures != null) { 7208 // Already existing package. Make sure signatures match 7209 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7210 == PackageManager.SIGNATURE_MATCH; 7211 if (!match) { 7212 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7213 == PackageManager.SIGNATURE_MATCH; 7214 } 7215 if (!match) { 7216 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7217 == PackageManager.SIGNATURE_MATCH; 7218 } 7219 if (!match) { 7220 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7221 + pkg.packageName + " signatures do not match the " 7222 + "previously installed version; ignoring!"); 7223 } 7224 } 7225 7226 // Check for shared user signatures 7227 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7228 // Already existing package. Make sure signatures match 7229 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7230 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7231 if (!match) { 7232 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7233 == PackageManager.SIGNATURE_MATCH; 7234 } 7235 if (!match) { 7236 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7237 == PackageManager.SIGNATURE_MATCH; 7238 } 7239 if (!match) { 7240 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7241 "Package " + pkg.packageName 7242 + " has no signatures that match those in shared user " 7243 + pkgSetting.sharedUser.name + "; ignoring!"); 7244 } 7245 } 7246 } 7247 7248 /** 7249 * Enforces that only the system UID or root's UID can call a method exposed 7250 * via Binder. 7251 * 7252 * @param message used as message if SecurityException is thrown 7253 * @throws SecurityException if the caller is not system or root 7254 */ 7255 private static final void enforceSystemOrRoot(String message) { 7256 final int uid = Binder.getCallingUid(); 7257 if (uid != Process.SYSTEM_UID && uid != 0) { 7258 throw new SecurityException(message); 7259 } 7260 } 7261 7262 @Override 7263 public void performFstrimIfNeeded() { 7264 enforceSystemOrRoot("Only the system can request fstrim"); 7265 7266 // Before everything else, see whether we need to fstrim. 7267 try { 7268 IMountService ms = PackageHelper.getMountService(); 7269 if (ms != null) { 7270 final boolean isUpgrade = isUpgrade(); 7271 boolean doTrim = isUpgrade; 7272 if (doTrim) { 7273 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7274 } else { 7275 final long interval = android.provider.Settings.Global.getLong( 7276 mContext.getContentResolver(), 7277 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7278 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7279 if (interval > 0) { 7280 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7281 if (timeSinceLast > interval) { 7282 doTrim = true; 7283 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7284 + "; running immediately"); 7285 } 7286 } 7287 } 7288 if (doTrim) { 7289 if (!isFirstBoot()) { 7290 try { 7291 ActivityManagerNative.getDefault().showBootMessage( 7292 mContext.getResources().getString( 7293 R.string.android_upgrading_fstrim), true); 7294 } catch (RemoteException e) { 7295 } 7296 } 7297 ms.runMaintenance(); 7298 } 7299 } else { 7300 Slog.e(TAG, "Mount service unavailable!"); 7301 } 7302 } catch (RemoteException e) { 7303 // Can't happen; MountService is local 7304 } 7305 } 7306 7307 @Override 7308 public void updatePackagesIfNeeded() { 7309 enforceSystemOrRoot("Only the system can request package update"); 7310 7311 // We need to re-extract after an OTA. 7312 boolean causeUpgrade = isUpgrade(); 7313 7314 // First boot or factory reset. 7315 // Note: we also handle devices that are upgrading to N right now as if it is their 7316 // first boot, as they do not have profile data. 7317 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7318 7319 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7320 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7321 7322 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7323 return; 7324 } 7325 7326 List<PackageParser.Package> pkgs; 7327 synchronized (mPackages) { 7328 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7329 } 7330 7331 final long startTime = System.nanoTime(); 7332 final int[] stats = performDexOpt(pkgs, mIsPreNUpgrade /* showDialog */, 7333 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7334 7335 final int elapsedTimeSeconds = 7336 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7337 7338 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7339 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7340 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7341 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7342 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7343 } 7344 7345 /** 7346 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7347 * containing statistics about the invocation. The array consists of three elements, 7348 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7349 * and {@code numberOfPackagesFailed}. 7350 */ 7351 private int[] performDexOpt(List<PackageParser.Package> pkgs, boolean showDialog, 7352 String compilerFilter) { 7353 7354 int numberOfPackagesVisited = 0; 7355 int numberOfPackagesOptimized = 0; 7356 int numberOfPackagesSkipped = 0; 7357 int numberOfPackagesFailed = 0; 7358 final int numberOfPackagesToDexopt = pkgs.size(); 7359 7360 for (PackageParser.Package pkg : pkgs) { 7361 numberOfPackagesVisited++; 7362 7363 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7364 if (DEBUG_DEXOPT) { 7365 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7366 } 7367 numberOfPackagesSkipped++; 7368 continue; 7369 } 7370 7371 if (DEBUG_DEXOPT) { 7372 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7373 numberOfPackagesToDexopt + ": " + pkg.packageName); 7374 } 7375 7376 if (showDialog) { 7377 try { 7378 ActivityManagerNative.getDefault().showBootMessage( 7379 mContext.getResources().getString(R.string.android_upgrading_apk, 7380 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7381 } catch (RemoteException e) { 7382 } 7383 } 7384 7385 // checkProfiles is false to avoid merging profiles during boot which 7386 // might interfere with background compilation (b/28612421). 7387 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7388 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7389 // trade-off worth doing to save boot time work. 7390 int dexOptStatus = performDexOptTraced(pkg.packageName, 7391 false /* checkProfiles */, 7392 compilerFilter, 7393 false /* force */); 7394 switch (dexOptStatus) { 7395 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7396 numberOfPackagesOptimized++; 7397 break; 7398 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7399 numberOfPackagesSkipped++; 7400 break; 7401 case PackageDexOptimizer.DEX_OPT_FAILED: 7402 numberOfPackagesFailed++; 7403 break; 7404 default: 7405 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7406 break; 7407 } 7408 } 7409 7410 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7411 numberOfPackagesFailed }; 7412 } 7413 7414 @Override 7415 public void notifyPackageUse(String packageName, int reason) { 7416 synchronized (mPackages) { 7417 PackageParser.Package p = mPackages.get(packageName); 7418 if (p == null) { 7419 return; 7420 } 7421 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7422 } 7423 } 7424 7425 // TODO: this is not used nor needed. Delete it. 7426 @Override 7427 public boolean performDexOptIfNeeded(String packageName) { 7428 int dexOptStatus = performDexOptTraced(packageName, 7429 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7430 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7431 } 7432 7433 @Override 7434 public boolean performDexOpt(String packageName, 7435 boolean checkProfiles, int compileReason, boolean force) { 7436 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7437 getCompilerFilterForReason(compileReason), force); 7438 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7439 } 7440 7441 @Override 7442 public boolean performDexOptMode(String packageName, 7443 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7444 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7445 targetCompilerFilter, force); 7446 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7447 } 7448 7449 private int performDexOptTraced(String packageName, 7450 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7451 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7452 try { 7453 return performDexOptInternal(packageName, checkProfiles, 7454 targetCompilerFilter, force); 7455 } finally { 7456 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7457 } 7458 } 7459 7460 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7461 // if the package can now be considered up to date for the given filter. 7462 private int performDexOptInternal(String packageName, 7463 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7464 PackageParser.Package p; 7465 synchronized (mPackages) { 7466 p = mPackages.get(packageName); 7467 if (p == null) { 7468 // Package could not be found. Report failure. 7469 return PackageDexOptimizer.DEX_OPT_FAILED; 7470 } 7471 mPackageUsage.write(false); 7472 } 7473 long callingId = Binder.clearCallingIdentity(); 7474 try { 7475 synchronized (mInstallLock) { 7476 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7477 targetCompilerFilter, force); 7478 } 7479 } finally { 7480 Binder.restoreCallingIdentity(callingId); 7481 } 7482 } 7483 7484 public ArraySet<String> getOptimizablePackages() { 7485 ArraySet<String> pkgs = new ArraySet<String>(); 7486 synchronized (mPackages) { 7487 for (PackageParser.Package p : mPackages.values()) { 7488 if (PackageDexOptimizer.canOptimizePackage(p)) { 7489 pkgs.add(p.packageName); 7490 } 7491 } 7492 } 7493 return pkgs; 7494 } 7495 7496 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7497 boolean checkProfiles, String targetCompilerFilter, 7498 boolean force) { 7499 // Select the dex optimizer based on the force parameter. 7500 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7501 // allocate an object here. 7502 PackageDexOptimizer pdo = force 7503 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7504 : mPackageDexOptimizer; 7505 7506 // Optimize all dependencies first. Note: we ignore the return value and march on 7507 // on errors. 7508 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7509 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7510 if (!deps.isEmpty()) { 7511 for (PackageParser.Package depPackage : deps) { 7512 // TODO: Analyze and investigate if we (should) profile libraries. 7513 // Currently this will do a full compilation of the library by default. 7514 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7515 false /* checkProfiles */, 7516 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7517 } 7518 } 7519 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7520 targetCompilerFilter); 7521 } 7522 7523 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7524 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7525 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7526 Set<String> collectedNames = new HashSet<>(); 7527 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7528 7529 retValue.remove(p); 7530 7531 return retValue; 7532 } else { 7533 return Collections.emptyList(); 7534 } 7535 } 7536 7537 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7538 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7539 if (!collectedNames.contains(p.packageName)) { 7540 collectedNames.add(p.packageName); 7541 collected.add(p); 7542 7543 if (p.usesLibraries != null) { 7544 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7545 } 7546 if (p.usesOptionalLibraries != null) { 7547 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7548 collectedNames); 7549 } 7550 } 7551 } 7552 7553 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7554 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7555 for (String libName : libs) { 7556 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7557 if (libPkg != null) { 7558 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7559 } 7560 } 7561 } 7562 7563 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7564 synchronized (mPackages) { 7565 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7566 if (lib != null && lib.apk != null) { 7567 return mPackages.get(lib.apk); 7568 } 7569 } 7570 return null; 7571 } 7572 7573 public void shutdown() { 7574 mPackageUsage.write(true); 7575 } 7576 7577 @Override 7578 public void dumpProfiles(String packageName) { 7579 PackageParser.Package pkg; 7580 synchronized (mPackages) { 7581 pkg = mPackages.get(packageName); 7582 if (pkg == null) { 7583 throw new IllegalArgumentException("Unknown package: " + packageName); 7584 } 7585 } 7586 /* Only the shell, root, or the app user should be able to dump profiles. */ 7587 int callingUid = Binder.getCallingUid(); 7588 if (callingUid != Process.SHELL_UID && 7589 callingUid != Process.ROOT_UID && 7590 callingUid != pkg.applicationInfo.uid) { 7591 throw new SecurityException("dumpProfiles"); 7592 } 7593 7594 synchronized (mInstallLock) { 7595 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7596 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7597 try { 7598 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7599 String gid = Integer.toString(sharedGid); 7600 String codePaths = TextUtils.join(";", allCodePaths); 7601 mInstaller.dumpProfiles(gid, packageName, codePaths); 7602 } catch (InstallerException e) { 7603 Slog.w(TAG, "Failed to dump profiles", e); 7604 } 7605 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7606 } 7607 } 7608 7609 @Override 7610 public void forceDexOpt(String packageName) { 7611 enforceSystemOrRoot("forceDexOpt"); 7612 7613 PackageParser.Package pkg; 7614 synchronized (mPackages) { 7615 pkg = mPackages.get(packageName); 7616 if (pkg == null) { 7617 throw new IllegalArgumentException("Unknown package: " + packageName); 7618 } 7619 } 7620 7621 synchronized (mInstallLock) { 7622 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7623 7624 // Whoever is calling forceDexOpt wants a fully compiled package. 7625 // Don't use profiles since that may cause compilation to be skipped. 7626 final int res = performDexOptInternalWithDependenciesLI(pkg, 7627 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7628 true /* force */); 7629 7630 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7631 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7632 throw new IllegalStateException("Failed to dexopt: " + res); 7633 } 7634 } 7635 } 7636 7637 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7638 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7639 Slog.w(TAG, "Unable to update from " + oldPkg.name 7640 + " to " + newPkg.packageName 7641 + ": old package not in system partition"); 7642 return false; 7643 } else if (mPackages.get(oldPkg.name) != null) { 7644 Slog.w(TAG, "Unable to update from " + oldPkg.name 7645 + " to " + newPkg.packageName 7646 + ": old package still exists"); 7647 return false; 7648 } 7649 return true; 7650 } 7651 7652 void removeCodePathLI(File codePath) { 7653 if (codePath.isDirectory()) { 7654 try { 7655 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7656 } catch (InstallerException e) { 7657 Slog.w(TAG, "Failed to remove code path", e); 7658 } 7659 } else { 7660 codePath.delete(); 7661 } 7662 } 7663 7664 private int[] resolveUserIds(int userId) { 7665 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7666 } 7667 7668 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7669 if (pkg == null) { 7670 Slog.wtf(TAG, "Package was null!", new Throwable()); 7671 return; 7672 } 7673 clearAppDataLeafLIF(pkg, userId, flags); 7674 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7675 for (int i = 0; i < childCount; i++) { 7676 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7677 } 7678 } 7679 7680 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7681 final PackageSetting ps; 7682 synchronized (mPackages) { 7683 ps = mSettings.mPackages.get(pkg.packageName); 7684 } 7685 for (int realUserId : resolveUserIds(userId)) { 7686 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7687 try { 7688 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7689 ceDataInode); 7690 } catch (InstallerException e) { 7691 Slog.w(TAG, String.valueOf(e)); 7692 } 7693 } 7694 } 7695 7696 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7697 if (pkg == null) { 7698 Slog.wtf(TAG, "Package was null!", new Throwable()); 7699 return; 7700 } 7701 destroyAppDataLeafLIF(pkg, userId, flags); 7702 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7703 for (int i = 0; i < childCount; i++) { 7704 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7705 } 7706 } 7707 7708 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7709 final PackageSetting ps; 7710 synchronized (mPackages) { 7711 ps = mSettings.mPackages.get(pkg.packageName); 7712 } 7713 for (int realUserId : resolveUserIds(userId)) { 7714 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7715 try { 7716 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7717 ceDataInode); 7718 } catch (InstallerException e) { 7719 Slog.w(TAG, String.valueOf(e)); 7720 } 7721 } 7722 } 7723 7724 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7725 if (pkg == null) { 7726 Slog.wtf(TAG, "Package was null!", new Throwable()); 7727 return; 7728 } 7729 destroyAppProfilesLeafLIF(pkg); 7730 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7731 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7732 for (int i = 0; i < childCount; i++) { 7733 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7734 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7735 true /* removeBaseMarker */); 7736 } 7737 } 7738 7739 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7740 boolean removeBaseMarker) { 7741 if (pkg.isForwardLocked()) { 7742 return; 7743 } 7744 7745 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7746 try { 7747 path = PackageManagerServiceUtils.realpath(new File(path)); 7748 } catch (IOException e) { 7749 // TODO: Should we return early here ? 7750 Slog.w(TAG, "Failed to get canonical path", e); 7751 continue; 7752 } 7753 7754 final String useMarker = path.replace('/', '@'); 7755 for (int realUserId : resolveUserIds(userId)) { 7756 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7757 if (removeBaseMarker) { 7758 File foreignUseMark = new File(profileDir, useMarker); 7759 if (foreignUseMark.exists()) { 7760 if (!foreignUseMark.delete()) { 7761 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7762 + pkg.packageName); 7763 } 7764 } 7765 } 7766 7767 File[] markers = profileDir.listFiles(); 7768 if (markers != null) { 7769 final String searchString = "@" + pkg.packageName + "@"; 7770 // We also delete all markers that contain the package name we're 7771 // uninstalling. These are associated with secondary dex-files belonging 7772 // to the package. Reconstructing the path of these dex files is messy 7773 // in general. 7774 for (File marker : markers) { 7775 if (marker.getName().indexOf(searchString) > 0) { 7776 if (!marker.delete()) { 7777 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7778 + pkg.packageName); 7779 } 7780 } 7781 } 7782 } 7783 } 7784 } 7785 } 7786 7787 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7788 try { 7789 mInstaller.destroyAppProfiles(pkg.packageName); 7790 } catch (InstallerException e) { 7791 Slog.w(TAG, String.valueOf(e)); 7792 } 7793 } 7794 7795 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7796 if (pkg == null) { 7797 Slog.wtf(TAG, "Package was null!", new Throwable()); 7798 return; 7799 } 7800 clearAppProfilesLeafLIF(pkg); 7801 // We don't remove the base foreign use marker when clearing profiles because 7802 // we will rename it when the app is updated. Unlike the actual profile contents, 7803 // the foreign use marker is good across installs. 7804 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7805 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7806 for (int i = 0; i < childCount; i++) { 7807 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7808 } 7809 } 7810 7811 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7812 try { 7813 mInstaller.clearAppProfiles(pkg.packageName); 7814 } catch (InstallerException e) { 7815 Slog.w(TAG, String.valueOf(e)); 7816 } 7817 } 7818 7819 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7820 long lastUpdateTime) { 7821 // Set parent install/update time 7822 PackageSetting ps = (PackageSetting) pkg.mExtras; 7823 if (ps != null) { 7824 ps.firstInstallTime = firstInstallTime; 7825 ps.lastUpdateTime = lastUpdateTime; 7826 } 7827 // Set children install/update time 7828 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7829 for (int i = 0; i < childCount; i++) { 7830 PackageParser.Package childPkg = pkg.childPackages.get(i); 7831 ps = (PackageSetting) childPkg.mExtras; 7832 if (ps != null) { 7833 ps.firstInstallTime = firstInstallTime; 7834 ps.lastUpdateTime = lastUpdateTime; 7835 } 7836 } 7837 } 7838 7839 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7840 PackageParser.Package changingLib) { 7841 if (file.path != null) { 7842 usesLibraryFiles.add(file.path); 7843 return; 7844 } 7845 PackageParser.Package p = mPackages.get(file.apk); 7846 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7847 // If we are doing this while in the middle of updating a library apk, 7848 // then we need to make sure to use that new apk for determining the 7849 // dependencies here. (We haven't yet finished committing the new apk 7850 // to the package manager state.) 7851 if (p == null || p.packageName.equals(changingLib.packageName)) { 7852 p = changingLib; 7853 } 7854 } 7855 if (p != null) { 7856 usesLibraryFiles.addAll(p.getAllCodePaths()); 7857 } 7858 } 7859 7860 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7861 PackageParser.Package changingLib) throws PackageManagerException { 7862 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7863 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7864 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7865 for (int i=0; i<N; i++) { 7866 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7867 if (file == null) { 7868 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7869 "Package " + pkg.packageName + " requires unavailable shared library " 7870 + pkg.usesLibraries.get(i) + "; failing!"); 7871 } 7872 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7873 } 7874 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7875 for (int i=0; i<N; i++) { 7876 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7877 if (file == null) { 7878 Slog.w(TAG, "Package " + pkg.packageName 7879 + " desires unavailable shared library " 7880 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7881 } else { 7882 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7883 } 7884 } 7885 N = usesLibraryFiles.size(); 7886 if (N > 0) { 7887 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7888 } else { 7889 pkg.usesLibraryFiles = null; 7890 } 7891 } 7892 } 7893 7894 private static boolean hasString(List<String> list, List<String> which) { 7895 if (list == null) { 7896 return false; 7897 } 7898 for (int i=list.size()-1; i>=0; i--) { 7899 for (int j=which.size()-1; j>=0; j--) { 7900 if (which.get(j).equals(list.get(i))) { 7901 return true; 7902 } 7903 } 7904 } 7905 return false; 7906 } 7907 7908 private void updateAllSharedLibrariesLPw() { 7909 for (PackageParser.Package pkg : mPackages.values()) { 7910 try { 7911 updateSharedLibrariesLPw(pkg, null); 7912 } catch (PackageManagerException e) { 7913 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7914 } 7915 } 7916 } 7917 7918 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7919 PackageParser.Package changingPkg) { 7920 ArrayList<PackageParser.Package> res = null; 7921 for (PackageParser.Package pkg : mPackages.values()) { 7922 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7923 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7924 if (res == null) { 7925 res = new ArrayList<PackageParser.Package>(); 7926 } 7927 res.add(pkg); 7928 try { 7929 updateSharedLibrariesLPw(pkg, changingPkg); 7930 } catch (PackageManagerException e) { 7931 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7932 } 7933 } 7934 } 7935 return res; 7936 } 7937 7938 /** 7939 * Derive the value of the {@code cpuAbiOverride} based on the provided 7940 * value and an optional stored value from the package settings. 7941 */ 7942 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7943 String cpuAbiOverride = null; 7944 7945 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7946 cpuAbiOverride = null; 7947 } else if (abiOverride != null) { 7948 cpuAbiOverride = abiOverride; 7949 } else if (settings != null) { 7950 cpuAbiOverride = settings.cpuAbiOverrideString; 7951 } 7952 7953 return cpuAbiOverride; 7954 } 7955 7956 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7957 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7958 throws PackageManagerException { 7959 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7960 // If the package has children and this is the first dive in the function 7961 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7962 // whether all packages (parent and children) would be successfully scanned 7963 // before the actual scan since scanning mutates internal state and we want 7964 // to atomically install the package and its children. 7965 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7966 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7967 scanFlags |= SCAN_CHECK_ONLY; 7968 } 7969 } else { 7970 scanFlags &= ~SCAN_CHECK_ONLY; 7971 } 7972 7973 final PackageParser.Package scannedPkg; 7974 try { 7975 // Scan the parent 7976 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7977 // Scan the children 7978 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7979 for (int i = 0; i < childCount; i++) { 7980 PackageParser.Package childPkg = pkg.childPackages.get(i); 7981 scanPackageLI(childPkg, policyFlags, 7982 scanFlags, currentTime, user); 7983 } 7984 } finally { 7985 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7986 } 7987 7988 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7989 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7990 } 7991 7992 return scannedPkg; 7993 } 7994 7995 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7996 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7997 boolean success = false; 7998 try { 7999 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8000 currentTime, user); 8001 success = true; 8002 return res; 8003 } finally { 8004 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8005 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8006 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8007 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8008 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8009 } 8010 } 8011 } 8012 8013 /** 8014 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8015 */ 8016 private static boolean apkHasCode(String fileName) { 8017 StrictJarFile jarFile = null; 8018 try { 8019 jarFile = new StrictJarFile(fileName, 8020 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8021 return jarFile.findEntry("classes.dex") != null; 8022 } catch (IOException ignore) { 8023 } finally { 8024 try { 8025 if (jarFile != null) { 8026 jarFile.close(); 8027 } 8028 } catch (IOException ignore) {} 8029 } 8030 return false; 8031 } 8032 8033 /** 8034 * Enforces code policy for the package. This ensures that if an APK has 8035 * declared hasCode="true" in its manifest that the APK actually contains 8036 * code. 8037 * 8038 * @throws PackageManagerException If bytecode could not be found when it should exist 8039 */ 8040 private static void enforceCodePolicy(PackageParser.Package pkg) 8041 throws PackageManagerException { 8042 final boolean shouldHaveCode = 8043 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8044 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8045 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8046 "Package " + pkg.baseCodePath + " code is missing"); 8047 } 8048 8049 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8050 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8051 final boolean splitShouldHaveCode = 8052 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8053 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8054 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8055 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8056 } 8057 } 8058 } 8059 } 8060 8061 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8062 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8063 throws PackageManagerException { 8064 final File scanFile = new File(pkg.codePath); 8065 if (pkg.applicationInfo.getCodePath() == null || 8066 pkg.applicationInfo.getResourcePath() == null) { 8067 // Bail out. The resource and code paths haven't been set. 8068 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8069 "Code and resource paths haven't been set correctly"); 8070 } 8071 8072 // Apply policy 8073 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8074 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8075 if (pkg.applicationInfo.isDirectBootAware()) { 8076 // we're direct boot aware; set for all components 8077 for (PackageParser.Service s : pkg.services) { 8078 s.info.encryptionAware = s.info.directBootAware = true; 8079 } 8080 for (PackageParser.Provider p : pkg.providers) { 8081 p.info.encryptionAware = p.info.directBootAware = true; 8082 } 8083 for (PackageParser.Activity a : pkg.activities) { 8084 a.info.encryptionAware = a.info.directBootAware = true; 8085 } 8086 for (PackageParser.Activity r : pkg.receivers) { 8087 r.info.encryptionAware = r.info.directBootAware = true; 8088 } 8089 } 8090 } else { 8091 // Only allow system apps to be flagged as core apps. 8092 pkg.coreApp = false; 8093 // clear flags not applicable to regular apps 8094 pkg.applicationInfo.privateFlags &= 8095 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8096 pkg.applicationInfo.privateFlags &= 8097 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8098 } 8099 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8100 8101 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8102 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8103 } 8104 8105 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8106 enforceCodePolicy(pkg); 8107 } 8108 8109 if (mCustomResolverComponentName != null && 8110 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8111 setUpCustomResolverActivity(pkg); 8112 } 8113 8114 if (pkg.packageName.equals("android")) { 8115 synchronized (mPackages) { 8116 if (mAndroidApplication != null) { 8117 Slog.w(TAG, "*************************************************"); 8118 Slog.w(TAG, "Core android package being redefined. Skipping."); 8119 Slog.w(TAG, " file=" + scanFile); 8120 Slog.w(TAG, "*************************************************"); 8121 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8122 "Core android package being redefined. Skipping."); 8123 } 8124 8125 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8126 // Set up information for our fall-back user intent resolution activity. 8127 mPlatformPackage = pkg; 8128 pkg.mVersionCode = mSdkVersion; 8129 mAndroidApplication = pkg.applicationInfo; 8130 8131 if (!mResolverReplaced) { 8132 mResolveActivity.applicationInfo = mAndroidApplication; 8133 mResolveActivity.name = ResolverActivity.class.getName(); 8134 mResolveActivity.packageName = mAndroidApplication.packageName; 8135 mResolveActivity.processName = "system:ui"; 8136 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8137 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8138 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8139 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8140 mResolveActivity.exported = true; 8141 mResolveActivity.enabled = true; 8142 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8143 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8144 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8145 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8146 | ActivityInfo.CONFIG_ORIENTATION 8147 | ActivityInfo.CONFIG_KEYBOARD 8148 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8149 mResolveInfo.activityInfo = mResolveActivity; 8150 mResolveInfo.priority = 0; 8151 mResolveInfo.preferredOrder = 0; 8152 mResolveInfo.match = 0; 8153 mResolveComponentName = new ComponentName( 8154 mAndroidApplication.packageName, mResolveActivity.name); 8155 } 8156 } 8157 } 8158 } 8159 8160 if (DEBUG_PACKAGE_SCANNING) { 8161 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8162 Log.d(TAG, "Scanning package " + pkg.packageName); 8163 } 8164 8165 synchronized (mPackages) { 8166 if (mPackages.containsKey(pkg.packageName) 8167 || mSharedLibraries.containsKey(pkg.packageName)) { 8168 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8169 "Application package " + pkg.packageName 8170 + " already installed. Skipping duplicate."); 8171 } 8172 8173 // If we're only installing presumed-existing packages, require that the 8174 // scanned APK is both already known and at the path previously established 8175 // for it. Previously unknown packages we pick up normally, but if we have an 8176 // a priori expectation about this package's install presence, enforce it. 8177 // With a singular exception for new system packages. When an OTA contains 8178 // a new system package, we allow the codepath to change from a system location 8179 // to the user-installed location. If we don't allow this change, any newer, 8180 // user-installed version of the application will be ignored. 8181 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8182 if (mExpectingBetter.containsKey(pkg.packageName)) { 8183 logCriticalInfo(Log.WARN, 8184 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8185 } else { 8186 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8187 if (known != null) { 8188 if (DEBUG_PACKAGE_SCANNING) { 8189 Log.d(TAG, "Examining " + pkg.codePath 8190 + " and requiring known paths " + known.codePathString 8191 + " & " + known.resourcePathString); 8192 } 8193 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8194 || !pkg.applicationInfo.getResourcePath().equals( 8195 known.resourcePathString)) { 8196 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8197 "Application package " + pkg.packageName 8198 + " found at " + pkg.applicationInfo.getCodePath() 8199 + " but expected at " + known.codePathString 8200 + "; ignoring."); 8201 } 8202 } 8203 } 8204 } 8205 } 8206 8207 // Initialize package source and resource directories 8208 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8209 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8210 8211 SharedUserSetting suid = null; 8212 PackageSetting pkgSetting = null; 8213 8214 if (!isSystemApp(pkg)) { 8215 // Only system apps can use these features. 8216 pkg.mOriginalPackages = null; 8217 pkg.mRealPackage = null; 8218 pkg.mAdoptPermissions = null; 8219 } 8220 8221 // Getting the package setting may have a side-effect, so if we 8222 // are only checking if scan would succeed, stash a copy of the 8223 // old setting to restore at the end. 8224 PackageSetting nonMutatedPs = null; 8225 8226 // writer 8227 synchronized (mPackages) { 8228 if (pkg.mSharedUserId != null) { 8229 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8230 if (suid == null) { 8231 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8232 "Creating application package " + pkg.packageName 8233 + " for shared user failed"); 8234 } 8235 if (DEBUG_PACKAGE_SCANNING) { 8236 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8237 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8238 + "): packages=" + suid.packages); 8239 } 8240 } 8241 8242 // Check if we are renaming from an original package name. 8243 PackageSetting origPackage = null; 8244 String realName = null; 8245 if (pkg.mOriginalPackages != null) { 8246 // This package may need to be renamed to a previously 8247 // installed name. Let's check on that... 8248 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8249 if (pkg.mOriginalPackages.contains(renamed)) { 8250 // This package had originally been installed as the 8251 // original name, and we have already taken care of 8252 // transitioning to the new one. Just update the new 8253 // one to continue using the old name. 8254 realName = pkg.mRealPackage; 8255 if (!pkg.packageName.equals(renamed)) { 8256 // Callers into this function may have already taken 8257 // care of renaming the package; only do it here if 8258 // it is not already done. 8259 pkg.setPackageName(renamed); 8260 } 8261 8262 } else { 8263 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8264 if ((origPackage = mSettings.peekPackageLPr( 8265 pkg.mOriginalPackages.get(i))) != null) { 8266 // We do have the package already installed under its 8267 // original name... should we use it? 8268 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8269 // New package is not compatible with original. 8270 origPackage = null; 8271 continue; 8272 } else if (origPackage.sharedUser != null) { 8273 // Make sure uid is compatible between packages. 8274 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8275 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8276 + " to " + pkg.packageName + ": old uid " 8277 + origPackage.sharedUser.name 8278 + " differs from " + pkg.mSharedUserId); 8279 origPackage = null; 8280 continue; 8281 } 8282 // TODO: Add case when shared user id is added [b/28144775] 8283 } else { 8284 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8285 + pkg.packageName + " to old name " + origPackage.name); 8286 } 8287 break; 8288 } 8289 } 8290 } 8291 } 8292 8293 if (mTransferedPackages.contains(pkg.packageName)) { 8294 Slog.w(TAG, "Package " + pkg.packageName 8295 + " was transferred to another, but its .apk remains"); 8296 } 8297 8298 // See comments in nonMutatedPs declaration 8299 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8300 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8301 if (foundPs != null) { 8302 nonMutatedPs = new PackageSetting(foundPs); 8303 } 8304 } 8305 8306 // Just create the setting, don't add it yet. For already existing packages 8307 // the PkgSetting exists already and doesn't have to be created. 8308 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8309 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8310 pkg.applicationInfo.primaryCpuAbi, 8311 pkg.applicationInfo.secondaryCpuAbi, 8312 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8313 user, false); 8314 if (pkgSetting == null) { 8315 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8316 "Creating application package " + pkg.packageName + " failed"); 8317 } 8318 8319 if (pkgSetting.origPackage != null) { 8320 // If we are first transitioning from an original package, 8321 // fix up the new package's name now. We need to do this after 8322 // looking up the package under its new name, so getPackageLP 8323 // can take care of fiddling things correctly. 8324 pkg.setPackageName(origPackage.name); 8325 8326 // File a report about this. 8327 String msg = "New package " + pkgSetting.realName 8328 + " renamed to replace old package " + pkgSetting.name; 8329 reportSettingsProblem(Log.WARN, msg); 8330 8331 // Make a note of it. 8332 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8333 mTransferedPackages.add(origPackage.name); 8334 } 8335 8336 // No longer need to retain this. 8337 pkgSetting.origPackage = null; 8338 } 8339 8340 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8341 // Make a note of it. 8342 mTransferedPackages.add(pkg.packageName); 8343 } 8344 8345 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8346 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8347 } 8348 8349 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8350 // Check all shared libraries and map to their actual file path. 8351 // We only do this here for apps not on a system dir, because those 8352 // are the only ones that can fail an install due to this. We 8353 // will take care of the system apps by updating all of their 8354 // library paths after the scan is done. 8355 updateSharedLibrariesLPw(pkg, null); 8356 } 8357 8358 if (mFoundPolicyFile) { 8359 SELinuxMMAC.assignSeinfoValue(pkg); 8360 } 8361 8362 pkg.applicationInfo.uid = pkgSetting.appId; 8363 pkg.mExtras = pkgSetting; 8364 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8365 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8366 // We just determined the app is signed correctly, so bring 8367 // over the latest parsed certs. 8368 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8369 } else { 8370 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8371 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8372 "Package " + pkg.packageName + " upgrade keys do not match the " 8373 + "previously installed version"); 8374 } else { 8375 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8376 String msg = "System package " + pkg.packageName 8377 + " signature changed; retaining data."; 8378 reportSettingsProblem(Log.WARN, msg); 8379 } 8380 } 8381 } else { 8382 try { 8383 verifySignaturesLP(pkgSetting, pkg); 8384 // We just determined the app is signed correctly, so bring 8385 // over the latest parsed certs. 8386 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8387 } catch (PackageManagerException e) { 8388 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8389 throw e; 8390 } 8391 // The signature has changed, but this package is in the system 8392 // image... let's recover! 8393 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8394 // However... if this package is part of a shared user, but it 8395 // doesn't match the signature of the shared user, let's fail. 8396 // What this means is that you can't change the signatures 8397 // associated with an overall shared user, which doesn't seem all 8398 // that unreasonable. 8399 if (pkgSetting.sharedUser != null) { 8400 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8401 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8402 throw new PackageManagerException( 8403 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8404 "Signature mismatch for shared user: " 8405 + pkgSetting.sharedUser); 8406 } 8407 } 8408 // File a report about this. 8409 String msg = "System package " + pkg.packageName 8410 + " signature changed; retaining data."; 8411 reportSettingsProblem(Log.WARN, msg); 8412 } 8413 } 8414 // Verify that this new package doesn't have any content providers 8415 // that conflict with existing packages. Only do this if the 8416 // package isn't already installed, since we don't want to break 8417 // things that are installed. 8418 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8419 final int N = pkg.providers.size(); 8420 int i; 8421 for (i=0; i<N; i++) { 8422 PackageParser.Provider p = pkg.providers.get(i); 8423 if (p.info.authority != null) { 8424 String names[] = p.info.authority.split(";"); 8425 for (int j = 0; j < names.length; j++) { 8426 if (mProvidersByAuthority.containsKey(names[j])) { 8427 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8428 final String otherPackageName = 8429 ((other != null && other.getComponentName() != null) ? 8430 other.getComponentName().getPackageName() : "?"); 8431 throw new PackageManagerException( 8432 INSTALL_FAILED_CONFLICTING_PROVIDER, 8433 "Can't install because provider name " + names[j] 8434 + " (in package " + pkg.applicationInfo.packageName 8435 + ") is already used by " + otherPackageName); 8436 } 8437 } 8438 } 8439 } 8440 } 8441 8442 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8443 // This package wants to adopt ownership of permissions from 8444 // another package. 8445 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8446 final String origName = pkg.mAdoptPermissions.get(i); 8447 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8448 if (orig != null) { 8449 if (verifyPackageUpdateLPr(orig, pkg)) { 8450 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8451 + pkg.packageName); 8452 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8453 } 8454 } 8455 } 8456 } 8457 } 8458 8459 final String pkgName = pkg.packageName; 8460 8461 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8462 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8463 pkg.applicationInfo.processName = fixProcessName( 8464 pkg.applicationInfo.packageName, 8465 pkg.applicationInfo.processName, 8466 pkg.applicationInfo.uid); 8467 8468 if (pkg != mPlatformPackage) { 8469 // Get all of our default paths setup 8470 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8471 } 8472 8473 final String path = scanFile.getPath(); 8474 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8475 8476 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8477 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8478 8479 // Some system apps still use directory structure for native libraries 8480 // in which case we might end up not detecting abi solely based on apk 8481 // structure. Try to detect abi based on directory structure. 8482 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8483 pkg.applicationInfo.primaryCpuAbi == null) { 8484 setBundledAppAbisAndRoots(pkg, pkgSetting); 8485 setNativeLibraryPaths(pkg); 8486 } 8487 8488 } else { 8489 if ((scanFlags & SCAN_MOVE) != 0) { 8490 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8491 // but we already have this packages package info in the PackageSetting. We just 8492 // use that and derive the native library path based on the new codepath. 8493 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8494 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8495 } 8496 8497 // Set native library paths again. For moves, the path will be updated based on the 8498 // ABIs we've determined above. For non-moves, the path will be updated based on the 8499 // ABIs we determined during compilation, but the path will depend on the final 8500 // package path (after the rename away from the stage path). 8501 setNativeLibraryPaths(pkg); 8502 } 8503 8504 // This is a special case for the "system" package, where the ABI is 8505 // dictated by the zygote configuration (and init.rc). We should keep track 8506 // of this ABI so that we can deal with "normal" applications that run under 8507 // the same UID correctly. 8508 if (mPlatformPackage == pkg) { 8509 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8510 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8511 } 8512 8513 // If there's a mismatch between the abi-override in the package setting 8514 // and the abiOverride specified for the install. Warn about this because we 8515 // would've already compiled the app without taking the package setting into 8516 // account. 8517 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8518 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8519 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8520 " for package " + pkg.packageName); 8521 } 8522 } 8523 8524 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8525 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8526 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8527 8528 // Copy the derived override back to the parsed package, so that we can 8529 // update the package settings accordingly. 8530 pkg.cpuAbiOverride = cpuAbiOverride; 8531 8532 if (DEBUG_ABI_SELECTION) { 8533 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8534 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8535 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8536 } 8537 8538 // Push the derived path down into PackageSettings so we know what to 8539 // clean up at uninstall time. 8540 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8541 8542 if (DEBUG_ABI_SELECTION) { 8543 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8544 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8545 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8546 } 8547 8548 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8549 // We don't do this here during boot because we can do it all 8550 // at once after scanning all existing packages. 8551 // 8552 // We also do this *before* we perform dexopt on this package, so that 8553 // we can avoid redundant dexopts, and also to make sure we've got the 8554 // code and package path correct. 8555 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8556 pkg, true /* boot complete */); 8557 } 8558 8559 if (mFactoryTest && pkg.requestedPermissions.contains( 8560 android.Manifest.permission.FACTORY_TEST)) { 8561 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8562 } 8563 8564 ArrayList<PackageParser.Package> clientLibPkgs = null; 8565 8566 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8567 if (nonMutatedPs != null) { 8568 synchronized (mPackages) { 8569 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8570 } 8571 } 8572 return pkg; 8573 } 8574 8575 // Only privileged apps and updated privileged apps can add child packages. 8576 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8577 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8578 throw new PackageManagerException("Only privileged apps and updated " 8579 + "privileged apps can add child packages. Ignoring package " 8580 + pkg.packageName); 8581 } 8582 final int childCount = pkg.childPackages.size(); 8583 for (int i = 0; i < childCount; i++) { 8584 PackageParser.Package childPkg = pkg.childPackages.get(i); 8585 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8586 childPkg.packageName)) { 8587 throw new PackageManagerException("Cannot override a child package of " 8588 + "another disabled system app. Ignoring package " + pkg.packageName); 8589 } 8590 } 8591 } 8592 8593 // writer 8594 synchronized (mPackages) { 8595 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8596 // Only system apps can add new shared libraries. 8597 if (pkg.libraryNames != null) { 8598 for (int i=0; i<pkg.libraryNames.size(); i++) { 8599 String name = pkg.libraryNames.get(i); 8600 boolean allowed = false; 8601 if (pkg.isUpdatedSystemApp()) { 8602 // New library entries can only be added through the 8603 // system image. This is important to get rid of a lot 8604 // of nasty edge cases: for example if we allowed a non- 8605 // system update of the app to add a library, then uninstalling 8606 // the update would make the library go away, and assumptions 8607 // we made such as through app install filtering would now 8608 // have allowed apps on the device which aren't compatible 8609 // with it. Better to just have the restriction here, be 8610 // conservative, and create many fewer cases that can negatively 8611 // impact the user experience. 8612 final PackageSetting sysPs = mSettings 8613 .getDisabledSystemPkgLPr(pkg.packageName); 8614 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8615 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8616 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8617 allowed = true; 8618 break; 8619 } 8620 } 8621 } 8622 } else { 8623 allowed = true; 8624 } 8625 if (allowed) { 8626 if (!mSharedLibraries.containsKey(name)) { 8627 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8628 } else if (!name.equals(pkg.packageName)) { 8629 Slog.w(TAG, "Package " + pkg.packageName + " library " 8630 + name + " already exists; skipping"); 8631 } 8632 } else { 8633 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8634 + name + " that is not declared on system image; skipping"); 8635 } 8636 } 8637 if ((scanFlags & SCAN_BOOTING) == 0) { 8638 // If we are not booting, we need to update any applications 8639 // that are clients of our shared library. If we are booting, 8640 // this will all be done once the scan is complete. 8641 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8642 } 8643 } 8644 } 8645 } 8646 8647 if ((scanFlags & SCAN_BOOTING) != 0) { 8648 // No apps can run during boot scan, so they don't need to be frozen 8649 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8650 // Caller asked to not kill app, so it's probably not frozen 8651 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8652 // Caller asked us to ignore frozen check for some reason; they 8653 // probably didn't know the package name 8654 } else { 8655 // We're doing major surgery on this package, so it better be frozen 8656 // right now to keep it from launching 8657 checkPackageFrozen(pkgName); 8658 } 8659 8660 // Also need to kill any apps that are dependent on the library. 8661 if (clientLibPkgs != null) { 8662 for (int i=0; i<clientLibPkgs.size(); i++) { 8663 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8664 killApplication(clientPkg.applicationInfo.packageName, 8665 clientPkg.applicationInfo.uid, "update lib"); 8666 } 8667 } 8668 8669 // Make sure we're not adding any bogus keyset info 8670 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8671 ksms.assertScannedPackageValid(pkg); 8672 8673 // writer 8674 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8675 8676 boolean createIdmapFailed = false; 8677 synchronized (mPackages) { 8678 // We don't expect installation to fail beyond this point 8679 8680 if (pkgSetting.pkg != null) { 8681 // Note that |user| might be null during the initial boot scan. If a codePath 8682 // for an app has changed during a boot scan, it's due to an app update that's 8683 // part of the system partition and marker changes must be applied to all users. 8684 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8685 (user != null) ? user : UserHandle.ALL); 8686 } 8687 8688 // Add the new setting to mSettings 8689 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8690 // Add the new setting to mPackages 8691 mPackages.put(pkg.applicationInfo.packageName, pkg); 8692 // Make sure we don't accidentally delete its data. 8693 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8694 while (iter.hasNext()) { 8695 PackageCleanItem item = iter.next(); 8696 if (pkgName.equals(item.packageName)) { 8697 iter.remove(); 8698 } 8699 } 8700 8701 // Take care of first install / last update times. 8702 if (currentTime != 0) { 8703 if (pkgSetting.firstInstallTime == 0) { 8704 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8705 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8706 pkgSetting.lastUpdateTime = currentTime; 8707 } 8708 } else if (pkgSetting.firstInstallTime == 0) { 8709 // We need *something*. Take time time stamp of the file. 8710 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8711 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8712 if (scanFileTime != pkgSetting.timeStamp) { 8713 // A package on the system image has changed; consider this 8714 // to be an update. 8715 pkgSetting.lastUpdateTime = scanFileTime; 8716 } 8717 } 8718 8719 // Add the package's KeySets to the global KeySetManagerService 8720 ksms.addScannedPackageLPw(pkg); 8721 8722 int N = pkg.providers.size(); 8723 StringBuilder r = null; 8724 int i; 8725 for (i=0; i<N; i++) { 8726 PackageParser.Provider p = pkg.providers.get(i); 8727 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8728 p.info.processName, pkg.applicationInfo.uid); 8729 mProviders.addProvider(p); 8730 p.syncable = p.info.isSyncable; 8731 if (p.info.authority != null) { 8732 String names[] = p.info.authority.split(";"); 8733 p.info.authority = null; 8734 for (int j = 0; j < names.length; j++) { 8735 if (j == 1 && p.syncable) { 8736 // We only want the first authority for a provider to possibly be 8737 // syncable, so if we already added this provider using a different 8738 // authority clear the syncable flag. We copy the provider before 8739 // changing it because the mProviders object contains a reference 8740 // to a provider that we don't want to change. 8741 // Only do this for the second authority since the resulting provider 8742 // object can be the same for all future authorities for this provider. 8743 p = new PackageParser.Provider(p); 8744 p.syncable = false; 8745 } 8746 if (!mProvidersByAuthority.containsKey(names[j])) { 8747 mProvidersByAuthority.put(names[j], p); 8748 if (p.info.authority == null) { 8749 p.info.authority = names[j]; 8750 } else { 8751 p.info.authority = p.info.authority + ";" + names[j]; 8752 } 8753 if (DEBUG_PACKAGE_SCANNING) { 8754 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8755 Log.d(TAG, "Registered content provider: " + names[j] 8756 + ", className = " + p.info.name + ", isSyncable = " 8757 + p.info.isSyncable); 8758 } 8759 } else { 8760 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8761 Slog.w(TAG, "Skipping provider name " + names[j] + 8762 " (in package " + pkg.applicationInfo.packageName + 8763 "): name already used by " 8764 + ((other != null && other.getComponentName() != null) 8765 ? other.getComponentName().getPackageName() : "?")); 8766 } 8767 } 8768 } 8769 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8770 if (r == null) { 8771 r = new StringBuilder(256); 8772 } else { 8773 r.append(' '); 8774 } 8775 r.append(p.info.name); 8776 } 8777 } 8778 if (r != null) { 8779 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8780 } 8781 8782 N = pkg.services.size(); 8783 r = null; 8784 for (i=0; i<N; i++) { 8785 PackageParser.Service s = pkg.services.get(i); 8786 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8787 s.info.processName, pkg.applicationInfo.uid); 8788 mServices.addService(s); 8789 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8790 if (r == null) { 8791 r = new StringBuilder(256); 8792 } else { 8793 r.append(' '); 8794 } 8795 r.append(s.info.name); 8796 } 8797 } 8798 if (r != null) { 8799 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8800 } 8801 8802 N = pkg.receivers.size(); 8803 r = null; 8804 for (i=0; i<N; i++) { 8805 PackageParser.Activity a = pkg.receivers.get(i); 8806 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8807 a.info.processName, pkg.applicationInfo.uid); 8808 mReceivers.addActivity(a, "receiver"); 8809 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8810 if (r == null) { 8811 r = new StringBuilder(256); 8812 } else { 8813 r.append(' '); 8814 } 8815 r.append(a.info.name); 8816 } 8817 } 8818 if (r != null) { 8819 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8820 } 8821 8822 N = pkg.activities.size(); 8823 r = null; 8824 for (i=0; i<N; i++) { 8825 PackageParser.Activity a = pkg.activities.get(i); 8826 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8827 a.info.processName, pkg.applicationInfo.uid); 8828 mActivities.addActivity(a, "activity"); 8829 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8830 if (r == null) { 8831 r = new StringBuilder(256); 8832 } else { 8833 r.append(' '); 8834 } 8835 r.append(a.info.name); 8836 } 8837 } 8838 if (r != null) { 8839 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8840 } 8841 8842 N = pkg.permissionGroups.size(); 8843 r = null; 8844 for (i=0; i<N; i++) { 8845 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8846 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8847 if (cur == null) { 8848 mPermissionGroups.put(pg.info.name, pg); 8849 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8850 if (r == null) { 8851 r = new StringBuilder(256); 8852 } else { 8853 r.append(' '); 8854 } 8855 r.append(pg.info.name); 8856 } 8857 } else { 8858 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8859 + pg.info.packageName + " ignored: original from " 8860 + cur.info.packageName); 8861 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8862 if (r == null) { 8863 r = new StringBuilder(256); 8864 } else { 8865 r.append(' '); 8866 } 8867 r.append("DUP:"); 8868 r.append(pg.info.name); 8869 } 8870 } 8871 } 8872 if (r != null) { 8873 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8874 } 8875 8876 N = pkg.permissions.size(); 8877 r = null; 8878 for (i=0; i<N; i++) { 8879 PackageParser.Permission p = pkg.permissions.get(i); 8880 8881 // Assume by default that we did not install this permission into the system. 8882 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8883 8884 // Now that permission groups have a special meaning, we ignore permission 8885 // groups for legacy apps to prevent unexpected behavior. In particular, 8886 // permissions for one app being granted to someone just becase they happen 8887 // to be in a group defined by another app (before this had no implications). 8888 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8889 p.group = mPermissionGroups.get(p.info.group); 8890 // Warn for a permission in an unknown group. 8891 if (p.info.group != null && p.group == null) { 8892 Slog.w(TAG, "Permission " + p.info.name + " from package " 8893 + p.info.packageName + " in an unknown group " + p.info.group); 8894 } 8895 } 8896 8897 ArrayMap<String, BasePermission> permissionMap = 8898 p.tree ? mSettings.mPermissionTrees 8899 : mSettings.mPermissions; 8900 BasePermission bp = permissionMap.get(p.info.name); 8901 8902 // Allow system apps to redefine non-system permissions 8903 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8904 final boolean currentOwnerIsSystem = (bp.perm != null 8905 && isSystemApp(bp.perm.owner)); 8906 if (isSystemApp(p.owner)) { 8907 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8908 // It's a built-in permission and no owner, take ownership now 8909 bp.packageSetting = pkgSetting; 8910 bp.perm = p; 8911 bp.uid = pkg.applicationInfo.uid; 8912 bp.sourcePackage = p.info.packageName; 8913 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8914 } else if (!currentOwnerIsSystem) { 8915 String msg = "New decl " + p.owner + " of permission " 8916 + p.info.name + " is system; overriding " + bp.sourcePackage; 8917 reportSettingsProblem(Log.WARN, msg); 8918 bp = null; 8919 } 8920 } 8921 } 8922 8923 if (bp == null) { 8924 bp = new BasePermission(p.info.name, p.info.packageName, 8925 BasePermission.TYPE_NORMAL); 8926 permissionMap.put(p.info.name, bp); 8927 } 8928 8929 if (bp.perm == null) { 8930 if (bp.sourcePackage == null 8931 || bp.sourcePackage.equals(p.info.packageName)) { 8932 BasePermission tree = findPermissionTreeLP(p.info.name); 8933 if (tree == null 8934 || tree.sourcePackage.equals(p.info.packageName)) { 8935 bp.packageSetting = pkgSetting; 8936 bp.perm = p; 8937 bp.uid = pkg.applicationInfo.uid; 8938 bp.sourcePackage = p.info.packageName; 8939 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8940 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8941 if (r == null) { 8942 r = new StringBuilder(256); 8943 } else { 8944 r.append(' '); 8945 } 8946 r.append(p.info.name); 8947 } 8948 } else { 8949 Slog.w(TAG, "Permission " + p.info.name + " from package " 8950 + p.info.packageName + " ignored: base tree " 8951 + tree.name + " is from package " 8952 + tree.sourcePackage); 8953 } 8954 } else { 8955 Slog.w(TAG, "Permission " + p.info.name + " from package " 8956 + p.info.packageName + " ignored: original from " 8957 + bp.sourcePackage); 8958 } 8959 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8960 if (r == null) { 8961 r = new StringBuilder(256); 8962 } else { 8963 r.append(' '); 8964 } 8965 r.append("DUP:"); 8966 r.append(p.info.name); 8967 } 8968 if (bp.perm == p) { 8969 bp.protectionLevel = p.info.protectionLevel; 8970 } 8971 } 8972 8973 if (r != null) { 8974 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8975 } 8976 8977 N = pkg.instrumentation.size(); 8978 r = null; 8979 for (i=0; i<N; i++) { 8980 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8981 a.info.packageName = pkg.applicationInfo.packageName; 8982 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8983 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8984 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8985 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8986 a.info.dataDir = pkg.applicationInfo.dataDir; 8987 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8988 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8989 8990 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8991 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8992 mInstrumentation.put(a.getComponentName(), a); 8993 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8994 if (r == null) { 8995 r = new StringBuilder(256); 8996 } else { 8997 r.append(' '); 8998 } 8999 r.append(a.info.name); 9000 } 9001 } 9002 if (r != null) { 9003 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9004 } 9005 9006 if (pkg.protectedBroadcasts != null) { 9007 N = pkg.protectedBroadcasts.size(); 9008 for (i=0; i<N; i++) { 9009 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9010 } 9011 } 9012 9013 pkgSetting.setTimeStamp(scanFileTime); 9014 9015 // Create idmap files for pairs of (packages, overlay packages). 9016 // Note: "android", ie framework-res.apk, is handled by native layers. 9017 if (pkg.mOverlayTarget != null) { 9018 // This is an overlay package. 9019 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9020 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9021 mOverlays.put(pkg.mOverlayTarget, 9022 new ArrayMap<String, PackageParser.Package>()); 9023 } 9024 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9025 map.put(pkg.packageName, pkg); 9026 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9027 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9028 createIdmapFailed = true; 9029 } 9030 } 9031 } else if (mOverlays.containsKey(pkg.packageName) && 9032 !pkg.packageName.equals("android")) { 9033 // This is a regular package, with one or more known overlay packages. 9034 createIdmapsForPackageLI(pkg); 9035 } 9036 } 9037 9038 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9039 9040 if (createIdmapFailed) { 9041 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9042 "scanPackageLI failed to createIdmap"); 9043 } 9044 return pkg; 9045 } 9046 9047 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9048 PackageParser.Package update, UserHandle user) { 9049 if (existing.applicationInfo == null || update.applicationInfo == null) { 9050 // This isn't due to an app installation. 9051 return; 9052 } 9053 9054 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9055 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9056 9057 // The codePath hasn't changed, so there's nothing for us to do. 9058 if (Objects.equals(oldCodePath, newCodePath)) { 9059 return; 9060 } 9061 9062 File canonicalNewCodePath; 9063 try { 9064 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9065 } catch (IOException e) { 9066 Slog.w(TAG, "Failed to get canonical path.", e); 9067 return; 9068 } 9069 9070 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9071 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9072 // that the last component of the path (i.e, the name) doesn't need canonicalization 9073 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9074 // but may change in the future. Hopefully this function won't exist at that point. 9075 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9076 oldCodePath.getName()); 9077 9078 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9079 // with "@". 9080 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9081 if (!oldMarkerPrefix.endsWith("@")) { 9082 oldMarkerPrefix += "@"; 9083 } 9084 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9085 if (!newMarkerPrefix.endsWith("@")) { 9086 newMarkerPrefix += "@"; 9087 } 9088 9089 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9090 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9091 for (String updatedPath : updatedPaths) { 9092 String updatedPathName = new File(updatedPath).getName(); 9093 markerSuffixes.add(updatedPathName.replace('/', '@')); 9094 } 9095 9096 for (int userId : resolveUserIds(user.getIdentifier())) { 9097 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9098 9099 for (String markerSuffix : markerSuffixes) { 9100 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9101 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9102 if (oldForeignUseMark.exists()) { 9103 try { 9104 Os.rename(oldForeignUseMark.getAbsolutePath(), 9105 newForeignUseMark.getAbsolutePath()); 9106 } catch (ErrnoException e) { 9107 Slog.w(TAG, "Failed to rename foreign use marker", e); 9108 oldForeignUseMark.delete(); 9109 } 9110 } 9111 } 9112 } 9113 } 9114 9115 /** 9116 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9117 * is derived purely on the basis of the contents of {@code scanFile} and 9118 * {@code cpuAbiOverride}. 9119 * 9120 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9121 */ 9122 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9123 String cpuAbiOverride, boolean extractLibs) 9124 throws PackageManagerException { 9125 // TODO: We can probably be smarter about this stuff. For installed apps, 9126 // we can calculate this information at install time once and for all. For 9127 // system apps, we can probably assume that this information doesn't change 9128 // after the first boot scan. As things stand, we do lots of unnecessary work. 9129 9130 // Give ourselves some initial paths; we'll come back for another 9131 // pass once we've determined ABI below. 9132 setNativeLibraryPaths(pkg); 9133 9134 // We would never need to extract libs for forward-locked and external packages, 9135 // since the container service will do it for us. We shouldn't attempt to 9136 // extract libs from system app when it was not updated. 9137 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9138 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9139 extractLibs = false; 9140 } 9141 9142 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9143 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9144 9145 NativeLibraryHelper.Handle handle = null; 9146 try { 9147 handle = NativeLibraryHelper.Handle.create(pkg); 9148 // TODO(multiArch): This can be null for apps that didn't go through the 9149 // usual installation process. We can calculate it again, like we 9150 // do during install time. 9151 // 9152 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9153 // unnecessary. 9154 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9155 9156 // Null out the abis so that they can be recalculated. 9157 pkg.applicationInfo.primaryCpuAbi = null; 9158 pkg.applicationInfo.secondaryCpuAbi = null; 9159 if (isMultiArch(pkg.applicationInfo)) { 9160 // Warn if we've set an abiOverride for multi-lib packages.. 9161 // By definition, we need to copy both 32 and 64 bit libraries for 9162 // such packages. 9163 if (pkg.cpuAbiOverride != null 9164 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9165 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9166 } 9167 9168 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9169 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9170 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9171 if (extractLibs) { 9172 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9173 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9174 useIsaSpecificSubdirs); 9175 } else { 9176 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9177 } 9178 } 9179 9180 maybeThrowExceptionForMultiArchCopy( 9181 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9182 9183 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9184 if (extractLibs) { 9185 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9186 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9187 useIsaSpecificSubdirs); 9188 } else { 9189 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9190 } 9191 } 9192 9193 maybeThrowExceptionForMultiArchCopy( 9194 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9195 9196 if (abi64 >= 0) { 9197 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9198 } 9199 9200 if (abi32 >= 0) { 9201 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9202 if (abi64 >= 0) { 9203 if (pkg.use32bitAbi) { 9204 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9205 pkg.applicationInfo.primaryCpuAbi = abi; 9206 } else { 9207 pkg.applicationInfo.secondaryCpuAbi = abi; 9208 } 9209 } else { 9210 pkg.applicationInfo.primaryCpuAbi = abi; 9211 } 9212 } 9213 9214 } else { 9215 String[] abiList = (cpuAbiOverride != null) ? 9216 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9217 9218 // Enable gross and lame hacks for apps that are built with old 9219 // SDK tools. We must scan their APKs for renderscript bitcode and 9220 // not launch them if it's present. Don't bother checking on devices 9221 // that don't have 64 bit support. 9222 boolean needsRenderScriptOverride = false; 9223 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9224 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9225 abiList = Build.SUPPORTED_32_BIT_ABIS; 9226 needsRenderScriptOverride = true; 9227 } 9228 9229 final int copyRet; 9230 if (extractLibs) { 9231 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9232 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9233 } else { 9234 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9235 } 9236 9237 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9238 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9239 "Error unpackaging native libs for app, errorCode=" + copyRet); 9240 } 9241 9242 if (copyRet >= 0) { 9243 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9244 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9245 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9246 } else if (needsRenderScriptOverride) { 9247 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9248 } 9249 } 9250 } catch (IOException ioe) { 9251 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9252 } finally { 9253 IoUtils.closeQuietly(handle); 9254 } 9255 9256 // Now that we've calculated the ABIs and determined if it's an internal app, 9257 // we will go ahead and populate the nativeLibraryPath. 9258 setNativeLibraryPaths(pkg); 9259 } 9260 9261 /** 9262 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9263 * i.e, so that all packages can be run inside a single process if required. 9264 * 9265 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9266 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9267 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9268 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9269 * updating a package that belongs to a shared user. 9270 * 9271 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9272 * adds unnecessary complexity. 9273 */ 9274 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9275 PackageParser.Package scannedPackage, boolean bootComplete) { 9276 String requiredInstructionSet = null; 9277 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9278 requiredInstructionSet = VMRuntime.getInstructionSet( 9279 scannedPackage.applicationInfo.primaryCpuAbi); 9280 } 9281 9282 PackageSetting requirer = null; 9283 for (PackageSetting ps : packagesForUser) { 9284 // If packagesForUser contains scannedPackage, we skip it. This will happen 9285 // when scannedPackage is an update of an existing package. Without this check, 9286 // we will never be able to change the ABI of any package belonging to a shared 9287 // user, even if it's compatible with other packages. 9288 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9289 if (ps.primaryCpuAbiString == null) { 9290 continue; 9291 } 9292 9293 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9294 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9295 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9296 // this but there's not much we can do. 9297 String errorMessage = "Instruction set mismatch, " 9298 + ((requirer == null) ? "[caller]" : requirer) 9299 + " requires " + requiredInstructionSet + " whereas " + ps 9300 + " requires " + instructionSet; 9301 Slog.w(TAG, errorMessage); 9302 } 9303 9304 if (requiredInstructionSet == null) { 9305 requiredInstructionSet = instructionSet; 9306 requirer = ps; 9307 } 9308 } 9309 } 9310 9311 if (requiredInstructionSet != null) { 9312 String adjustedAbi; 9313 if (requirer != null) { 9314 // requirer != null implies that either scannedPackage was null or that scannedPackage 9315 // did not require an ABI, in which case we have to adjust scannedPackage to match 9316 // the ABI of the set (which is the same as requirer's ABI) 9317 adjustedAbi = requirer.primaryCpuAbiString; 9318 if (scannedPackage != null) { 9319 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9320 } 9321 } else { 9322 // requirer == null implies that we're updating all ABIs in the set to 9323 // match scannedPackage. 9324 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9325 } 9326 9327 for (PackageSetting ps : packagesForUser) { 9328 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9329 if (ps.primaryCpuAbiString != null) { 9330 continue; 9331 } 9332 9333 ps.primaryCpuAbiString = adjustedAbi; 9334 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9335 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9336 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9337 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9338 + " (requirer=" 9339 + (requirer == null ? "null" : requirer.pkg.packageName) 9340 + ", scannedPackage=" 9341 + (scannedPackage != null ? scannedPackage.packageName : "null") 9342 + ")"); 9343 try { 9344 mInstaller.rmdex(ps.codePathString, 9345 getDexCodeInstructionSet(getPreferredInstructionSet())); 9346 } catch (InstallerException ignored) { 9347 } 9348 } 9349 } 9350 } 9351 } 9352 } 9353 9354 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9355 synchronized (mPackages) { 9356 mResolverReplaced = true; 9357 // Set up information for custom user intent resolution activity. 9358 mResolveActivity.applicationInfo = pkg.applicationInfo; 9359 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9360 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9361 mResolveActivity.processName = pkg.applicationInfo.packageName; 9362 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9363 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9364 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9365 mResolveActivity.theme = 0; 9366 mResolveActivity.exported = true; 9367 mResolveActivity.enabled = true; 9368 mResolveInfo.activityInfo = mResolveActivity; 9369 mResolveInfo.priority = 0; 9370 mResolveInfo.preferredOrder = 0; 9371 mResolveInfo.match = 0; 9372 mResolveComponentName = mCustomResolverComponentName; 9373 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9374 mResolveComponentName); 9375 } 9376 } 9377 9378 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9379 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9380 9381 // Set up information for ephemeral installer activity 9382 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9383 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9384 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9385 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9386 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9387 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9388 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9389 mEphemeralInstallerActivity.theme = 0; 9390 mEphemeralInstallerActivity.exported = true; 9391 mEphemeralInstallerActivity.enabled = true; 9392 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9393 mEphemeralInstallerInfo.priority = 0; 9394 mEphemeralInstallerInfo.preferredOrder = 0; 9395 mEphemeralInstallerInfo.match = 0; 9396 9397 if (DEBUG_EPHEMERAL) { 9398 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9399 } 9400 } 9401 9402 private static String calculateBundledApkRoot(final String codePathString) { 9403 final File codePath = new File(codePathString); 9404 final File codeRoot; 9405 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9406 codeRoot = Environment.getRootDirectory(); 9407 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9408 codeRoot = Environment.getOemDirectory(); 9409 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9410 codeRoot = Environment.getVendorDirectory(); 9411 } else { 9412 // Unrecognized code path; take its top real segment as the apk root: 9413 // e.g. /something/app/blah.apk => /something 9414 try { 9415 File f = codePath.getCanonicalFile(); 9416 File parent = f.getParentFile(); // non-null because codePath is a file 9417 File tmp; 9418 while ((tmp = parent.getParentFile()) != null) { 9419 f = parent; 9420 parent = tmp; 9421 } 9422 codeRoot = f; 9423 Slog.w(TAG, "Unrecognized code path " 9424 + codePath + " - using " + codeRoot); 9425 } catch (IOException e) { 9426 // Can't canonicalize the code path -- shenanigans? 9427 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9428 return Environment.getRootDirectory().getPath(); 9429 } 9430 } 9431 return codeRoot.getPath(); 9432 } 9433 9434 /** 9435 * Derive and set the location of native libraries for the given package, 9436 * which varies depending on where and how the package was installed. 9437 */ 9438 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9439 final ApplicationInfo info = pkg.applicationInfo; 9440 final String codePath = pkg.codePath; 9441 final File codeFile = new File(codePath); 9442 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9443 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9444 9445 info.nativeLibraryRootDir = null; 9446 info.nativeLibraryRootRequiresIsa = false; 9447 info.nativeLibraryDir = null; 9448 info.secondaryNativeLibraryDir = null; 9449 9450 if (isApkFile(codeFile)) { 9451 // Monolithic install 9452 if (bundledApp) { 9453 // If "/system/lib64/apkname" exists, assume that is the per-package 9454 // native library directory to use; otherwise use "/system/lib/apkname". 9455 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9456 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9457 getPrimaryInstructionSet(info)); 9458 9459 // This is a bundled system app so choose the path based on the ABI. 9460 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9461 // is just the default path. 9462 final String apkName = deriveCodePathName(codePath); 9463 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9464 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9465 apkName).getAbsolutePath(); 9466 9467 if (info.secondaryCpuAbi != null) { 9468 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9469 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9470 secondaryLibDir, apkName).getAbsolutePath(); 9471 } 9472 } else if (asecApp) { 9473 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9474 .getAbsolutePath(); 9475 } else { 9476 final String apkName = deriveCodePathName(codePath); 9477 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9478 .getAbsolutePath(); 9479 } 9480 9481 info.nativeLibraryRootRequiresIsa = false; 9482 info.nativeLibraryDir = info.nativeLibraryRootDir; 9483 } else { 9484 // Cluster install 9485 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9486 info.nativeLibraryRootRequiresIsa = true; 9487 9488 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9489 getPrimaryInstructionSet(info)).getAbsolutePath(); 9490 9491 if (info.secondaryCpuAbi != null) { 9492 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9493 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9494 } 9495 } 9496 } 9497 9498 /** 9499 * Calculate the abis and roots for a bundled app. These can uniquely 9500 * be determined from the contents of the system partition, i.e whether 9501 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9502 * of this information, and instead assume that the system was built 9503 * sensibly. 9504 */ 9505 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9506 PackageSetting pkgSetting) { 9507 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9508 9509 // If "/system/lib64/apkname" exists, assume that is the per-package 9510 // native library directory to use; otherwise use "/system/lib/apkname". 9511 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9512 setBundledAppAbi(pkg, apkRoot, apkName); 9513 // pkgSetting might be null during rescan following uninstall of updates 9514 // to a bundled app, so accommodate that possibility. The settings in 9515 // that case will be established later from the parsed package. 9516 // 9517 // If the settings aren't null, sync them up with what we've just derived. 9518 // note that apkRoot isn't stored in the package settings. 9519 if (pkgSetting != null) { 9520 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9521 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9522 } 9523 } 9524 9525 /** 9526 * Deduces the ABI of a bundled app and sets the relevant fields on the 9527 * parsed pkg object. 9528 * 9529 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9530 * under which system libraries are installed. 9531 * @param apkName the name of the installed package. 9532 */ 9533 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9534 final File codeFile = new File(pkg.codePath); 9535 9536 final boolean has64BitLibs; 9537 final boolean has32BitLibs; 9538 if (isApkFile(codeFile)) { 9539 // Monolithic install 9540 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9541 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9542 } else { 9543 // Cluster install 9544 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9545 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9546 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9547 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9548 has64BitLibs = (new File(rootDir, isa)).exists(); 9549 } else { 9550 has64BitLibs = false; 9551 } 9552 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9553 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9554 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9555 has32BitLibs = (new File(rootDir, isa)).exists(); 9556 } else { 9557 has32BitLibs = false; 9558 } 9559 } 9560 9561 if (has64BitLibs && !has32BitLibs) { 9562 // The package has 64 bit libs, but not 32 bit libs. Its primary 9563 // ABI should be 64 bit. We can safely assume here that the bundled 9564 // native libraries correspond to the most preferred ABI in the list. 9565 9566 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9567 pkg.applicationInfo.secondaryCpuAbi = null; 9568 } else if (has32BitLibs && !has64BitLibs) { 9569 // The package has 32 bit libs but not 64 bit libs. Its primary 9570 // ABI should be 32 bit. 9571 9572 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9573 pkg.applicationInfo.secondaryCpuAbi = null; 9574 } else if (has32BitLibs && has64BitLibs) { 9575 // The application has both 64 and 32 bit bundled libraries. We check 9576 // here that the app declares multiArch support, and warn if it doesn't. 9577 // 9578 // We will be lenient here and record both ABIs. The primary will be the 9579 // ABI that's higher on the list, i.e, a device that's configured to prefer 9580 // 64 bit apps will see a 64 bit primary ABI, 9581 9582 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9583 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9584 } 9585 9586 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9587 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9588 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9589 } else { 9590 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9591 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9592 } 9593 } else { 9594 pkg.applicationInfo.primaryCpuAbi = null; 9595 pkg.applicationInfo.secondaryCpuAbi = null; 9596 } 9597 } 9598 9599 private void killApplication(String pkgName, int appId, String reason) { 9600 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9601 } 9602 9603 private void killApplication(String pkgName, int appId, int userId, String reason) { 9604 // Request the ActivityManager to kill the process(only for existing packages) 9605 // so that we do not end up in a confused state while the user is still using the older 9606 // version of the application while the new one gets installed. 9607 final long token = Binder.clearCallingIdentity(); 9608 try { 9609 IActivityManager am = ActivityManagerNative.getDefault(); 9610 if (am != null) { 9611 try { 9612 am.killApplication(pkgName, appId, userId, reason); 9613 } catch (RemoteException e) { 9614 } 9615 } 9616 } finally { 9617 Binder.restoreCallingIdentity(token); 9618 } 9619 } 9620 9621 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9622 // Remove the parent package setting 9623 PackageSetting ps = (PackageSetting) pkg.mExtras; 9624 if (ps != null) { 9625 removePackageLI(ps, chatty); 9626 } 9627 // Remove the child package setting 9628 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9629 for (int i = 0; i < childCount; i++) { 9630 PackageParser.Package childPkg = pkg.childPackages.get(i); 9631 ps = (PackageSetting) childPkg.mExtras; 9632 if (ps != null) { 9633 removePackageLI(ps, chatty); 9634 } 9635 } 9636 } 9637 9638 void removePackageLI(PackageSetting ps, boolean chatty) { 9639 if (DEBUG_INSTALL) { 9640 if (chatty) 9641 Log.d(TAG, "Removing package " + ps.name); 9642 } 9643 9644 // writer 9645 synchronized (mPackages) { 9646 mPackages.remove(ps.name); 9647 final PackageParser.Package pkg = ps.pkg; 9648 if (pkg != null) { 9649 cleanPackageDataStructuresLILPw(pkg, chatty); 9650 } 9651 } 9652 } 9653 9654 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9655 if (DEBUG_INSTALL) { 9656 if (chatty) 9657 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9658 } 9659 9660 // writer 9661 synchronized (mPackages) { 9662 // Remove the parent package 9663 mPackages.remove(pkg.applicationInfo.packageName); 9664 cleanPackageDataStructuresLILPw(pkg, chatty); 9665 9666 // Remove the child packages 9667 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9668 for (int i = 0; i < childCount; i++) { 9669 PackageParser.Package childPkg = pkg.childPackages.get(i); 9670 mPackages.remove(childPkg.applicationInfo.packageName); 9671 cleanPackageDataStructuresLILPw(childPkg, chatty); 9672 } 9673 } 9674 } 9675 9676 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9677 int N = pkg.providers.size(); 9678 StringBuilder r = null; 9679 int i; 9680 for (i=0; i<N; i++) { 9681 PackageParser.Provider p = pkg.providers.get(i); 9682 mProviders.removeProvider(p); 9683 if (p.info.authority == null) { 9684 9685 /* There was another ContentProvider with this authority when 9686 * this app was installed so this authority is null, 9687 * Ignore it as we don't have to unregister the provider. 9688 */ 9689 continue; 9690 } 9691 String names[] = p.info.authority.split(";"); 9692 for (int j = 0; j < names.length; j++) { 9693 if (mProvidersByAuthority.get(names[j]) == p) { 9694 mProvidersByAuthority.remove(names[j]); 9695 if (DEBUG_REMOVE) { 9696 if (chatty) 9697 Log.d(TAG, "Unregistered content provider: " + names[j] 9698 + ", className = " + p.info.name + ", isSyncable = " 9699 + p.info.isSyncable); 9700 } 9701 } 9702 } 9703 if (DEBUG_REMOVE && chatty) { 9704 if (r == null) { 9705 r = new StringBuilder(256); 9706 } else { 9707 r.append(' '); 9708 } 9709 r.append(p.info.name); 9710 } 9711 } 9712 if (r != null) { 9713 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9714 } 9715 9716 N = pkg.services.size(); 9717 r = null; 9718 for (i=0; i<N; i++) { 9719 PackageParser.Service s = pkg.services.get(i); 9720 mServices.removeService(s); 9721 if (chatty) { 9722 if (r == null) { 9723 r = new StringBuilder(256); 9724 } else { 9725 r.append(' '); 9726 } 9727 r.append(s.info.name); 9728 } 9729 } 9730 if (r != null) { 9731 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9732 } 9733 9734 N = pkg.receivers.size(); 9735 r = null; 9736 for (i=0; i<N; i++) { 9737 PackageParser.Activity a = pkg.receivers.get(i); 9738 mReceivers.removeActivity(a, "receiver"); 9739 if (DEBUG_REMOVE && chatty) { 9740 if (r == null) { 9741 r = new StringBuilder(256); 9742 } else { 9743 r.append(' '); 9744 } 9745 r.append(a.info.name); 9746 } 9747 } 9748 if (r != null) { 9749 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9750 } 9751 9752 N = pkg.activities.size(); 9753 r = null; 9754 for (i=0; i<N; i++) { 9755 PackageParser.Activity a = pkg.activities.get(i); 9756 mActivities.removeActivity(a, "activity"); 9757 if (DEBUG_REMOVE && chatty) { 9758 if (r == null) { 9759 r = new StringBuilder(256); 9760 } else { 9761 r.append(' '); 9762 } 9763 r.append(a.info.name); 9764 } 9765 } 9766 if (r != null) { 9767 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9768 } 9769 9770 N = pkg.permissions.size(); 9771 r = null; 9772 for (i=0; i<N; i++) { 9773 PackageParser.Permission p = pkg.permissions.get(i); 9774 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9775 if (bp == null) { 9776 bp = mSettings.mPermissionTrees.get(p.info.name); 9777 } 9778 if (bp != null && bp.perm == p) { 9779 bp.perm = null; 9780 if (DEBUG_REMOVE && chatty) { 9781 if (r == null) { 9782 r = new StringBuilder(256); 9783 } else { 9784 r.append(' '); 9785 } 9786 r.append(p.info.name); 9787 } 9788 } 9789 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9790 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9791 if (appOpPkgs != null) { 9792 appOpPkgs.remove(pkg.packageName); 9793 } 9794 } 9795 } 9796 if (r != null) { 9797 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9798 } 9799 9800 N = pkg.requestedPermissions.size(); 9801 r = null; 9802 for (i=0; i<N; i++) { 9803 String perm = pkg.requestedPermissions.get(i); 9804 BasePermission bp = mSettings.mPermissions.get(perm); 9805 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9806 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9807 if (appOpPkgs != null) { 9808 appOpPkgs.remove(pkg.packageName); 9809 if (appOpPkgs.isEmpty()) { 9810 mAppOpPermissionPackages.remove(perm); 9811 } 9812 } 9813 } 9814 } 9815 if (r != null) { 9816 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9817 } 9818 9819 N = pkg.instrumentation.size(); 9820 r = null; 9821 for (i=0; i<N; i++) { 9822 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9823 mInstrumentation.remove(a.getComponentName()); 9824 if (DEBUG_REMOVE && chatty) { 9825 if (r == null) { 9826 r = new StringBuilder(256); 9827 } else { 9828 r.append(' '); 9829 } 9830 r.append(a.info.name); 9831 } 9832 } 9833 if (r != null) { 9834 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9835 } 9836 9837 r = null; 9838 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9839 // Only system apps can hold shared libraries. 9840 if (pkg.libraryNames != null) { 9841 for (i=0; i<pkg.libraryNames.size(); i++) { 9842 String name = pkg.libraryNames.get(i); 9843 SharedLibraryEntry cur = mSharedLibraries.get(name); 9844 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9845 mSharedLibraries.remove(name); 9846 if (DEBUG_REMOVE && chatty) { 9847 if (r == null) { 9848 r = new StringBuilder(256); 9849 } else { 9850 r.append(' '); 9851 } 9852 r.append(name); 9853 } 9854 } 9855 } 9856 } 9857 } 9858 if (r != null) { 9859 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9860 } 9861 } 9862 9863 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9864 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9865 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9866 return true; 9867 } 9868 } 9869 return false; 9870 } 9871 9872 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9873 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9874 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9875 9876 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9877 // Update the parent permissions 9878 updatePermissionsLPw(pkg.packageName, pkg, flags); 9879 // Update the child permissions 9880 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9881 for (int i = 0; i < childCount; i++) { 9882 PackageParser.Package childPkg = pkg.childPackages.get(i); 9883 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9884 } 9885 } 9886 9887 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9888 int flags) { 9889 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9890 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9891 } 9892 9893 private void updatePermissionsLPw(String changingPkg, 9894 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9895 // Make sure there are no dangling permission trees. 9896 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9897 while (it.hasNext()) { 9898 final BasePermission bp = it.next(); 9899 if (bp.packageSetting == null) { 9900 // We may not yet have parsed the package, so just see if 9901 // we still know about its settings. 9902 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9903 } 9904 if (bp.packageSetting == null) { 9905 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9906 + " from package " + bp.sourcePackage); 9907 it.remove(); 9908 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9909 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9910 Slog.i(TAG, "Removing old permission tree: " + bp.name 9911 + " from package " + bp.sourcePackage); 9912 flags |= UPDATE_PERMISSIONS_ALL; 9913 it.remove(); 9914 } 9915 } 9916 } 9917 9918 // Make sure all dynamic permissions have been assigned to a package, 9919 // and make sure there are no dangling permissions. 9920 it = mSettings.mPermissions.values().iterator(); 9921 while (it.hasNext()) { 9922 final BasePermission bp = it.next(); 9923 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9924 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9925 + bp.name + " pkg=" + bp.sourcePackage 9926 + " info=" + bp.pendingInfo); 9927 if (bp.packageSetting == null && bp.pendingInfo != null) { 9928 final BasePermission tree = findPermissionTreeLP(bp.name); 9929 if (tree != null && tree.perm != null) { 9930 bp.packageSetting = tree.packageSetting; 9931 bp.perm = new PackageParser.Permission(tree.perm.owner, 9932 new PermissionInfo(bp.pendingInfo)); 9933 bp.perm.info.packageName = tree.perm.info.packageName; 9934 bp.perm.info.name = bp.name; 9935 bp.uid = tree.uid; 9936 } 9937 } 9938 } 9939 if (bp.packageSetting == null) { 9940 // We may not yet have parsed the package, so just see if 9941 // we still know about its settings. 9942 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9943 } 9944 if (bp.packageSetting == null) { 9945 Slog.w(TAG, "Removing dangling permission: " + bp.name 9946 + " from package " + bp.sourcePackage); 9947 it.remove(); 9948 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9949 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9950 Slog.i(TAG, "Removing old permission: " + bp.name 9951 + " from package " + bp.sourcePackage); 9952 flags |= UPDATE_PERMISSIONS_ALL; 9953 it.remove(); 9954 } 9955 } 9956 } 9957 9958 // Now update the permissions for all packages, in particular 9959 // replace the granted permissions of the system packages. 9960 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9961 for (PackageParser.Package pkg : mPackages.values()) { 9962 if (pkg != pkgInfo) { 9963 // Only replace for packages on requested volume 9964 final String volumeUuid = getVolumeUuidForPackage(pkg); 9965 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9966 && Objects.equals(replaceVolumeUuid, volumeUuid); 9967 grantPermissionsLPw(pkg, replace, changingPkg); 9968 } 9969 } 9970 } 9971 9972 if (pkgInfo != null) { 9973 // Only replace for packages on requested volume 9974 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9975 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9976 && Objects.equals(replaceVolumeUuid, volumeUuid); 9977 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9978 } 9979 } 9980 9981 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9982 String packageOfInterest) { 9983 // IMPORTANT: There are two types of permissions: install and runtime. 9984 // Install time permissions are granted when the app is installed to 9985 // all device users and users added in the future. Runtime permissions 9986 // are granted at runtime explicitly to specific users. Normal and signature 9987 // protected permissions are install time permissions. Dangerous permissions 9988 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9989 // otherwise they are runtime permissions. This function does not manage 9990 // runtime permissions except for the case an app targeting Lollipop MR1 9991 // being upgraded to target a newer SDK, in which case dangerous permissions 9992 // are transformed from install time to runtime ones. 9993 9994 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9995 if (ps == null) { 9996 return; 9997 } 9998 9999 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10000 10001 PermissionsState permissionsState = ps.getPermissionsState(); 10002 PermissionsState origPermissions = permissionsState; 10003 10004 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10005 10006 boolean runtimePermissionsRevoked = false; 10007 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10008 10009 boolean changedInstallPermission = false; 10010 10011 if (replace) { 10012 ps.installPermissionsFixed = false; 10013 if (!ps.isSharedUser()) { 10014 origPermissions = new PermissionsState(permissionsState); 10015 permissionsState.reset(); 10016 } else { 10017 // We need to know only about runtime permission changes since the 10018 // calling code always writes the install permissions state but 10019 // the runtime ones are written only if changed. The only cases of 10020 // changed runtime permissions here are promotion of an install to 10021 // runtime and revocation of a runtime from a shared user. 10022 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10023 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10024 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10025 runtimePermissionsRevoked = true; 10026 } 10027 } 10028 } 10029 10030 permissionsState.setGlobalGids(mGlobalGids); 10031 10032 final int N = pkg.requestedPermissions.size(); 10033 for (int i=0; i<N; i++) { 10034 final String name = pkg.requestedPermissions.get(i); 10035 final BasePermission bp = mSettings.mPermissions.get(name); 10036 10037 if (DEBUG_INSTALL) { 10038 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10039 } 10040 10041 if (bp == null || bp.packageSetting == null) { 10042 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10043 Slog.w(TAG, "Unknown permission " + name 10044 + " in package " + pkg.packageName); 10045 } 10046 continue; 10047 } 10048 10049 final String perm = bp.name; 10050 boolean allowedSig = false; 10051 int grant = GRANT_DENIED; 10052 10053 // Keep track of app op permissions. 10054 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10055 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10056 if (pkgs == null) { 10057 pkgs = new ArraySet<>(); 10058 mAppOpPermissionPackages.put(bp.name, pkgs); 10059 } 10060 pkgs.add(pkg.packageName); 10061 } 10062 10063 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10064 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10065 >= Build.VERSION_CODES.M; 10066 switch (level) { 10067 case PermissionInfo.PROTECTION_NORMAL: { 10068 // For all apps normal permissions are install time ones. 10069 grant = GRANT_INSTALL; 10070 } break; 10071 10072 case PermissionInfo.PROTECTION_DANGEROUS: { 10073 // If a permission review is required for legacy apps we represent 10074 // their permissions as always granted runtime ones since we need 10075 // to keep the review required permission flag per user while an 10076 // install permission's state is shared across all users. 10077 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10078 // For legacy apps dangerous permissions are install time ones. 10079 grant = GRANT_INSTALL; 10080 } else if (origPermissions.hasInstallPermission(bp.name)) { 10081 // For legacy apps that became modern, install becomes runtime. 10082 grant = GRANT_UPGRADE; 10083 } else if (mPromoteSystemApps 10084 && isSystemApp(ps) 10085 && mExistingSystemPackages.contains(ps.name)) { 10086 // For legacy system apps, install becomes runtime. 10087 // We cannot check hasInstallPermission() for system apps since those 10088 // permissions were granted implicitly and not persisted pre-M. 10089 grant = GRANT_UPGRADE; 10090 } else { 10091 // For modern apps keep runtime permissions unchanged. 10092 grant = GRANT_RUNTIME; 10093 } 10094 } break; 10095 10096 case PermissionInfo.PROTECTION_SIGNATURE: { 10097 // For all apps signature permissions are install time ones. 10098 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10099 if (allowedSig) { 10100 grant = GRANT_INSTALL; 10101 } 10102 } break; 10103 } 10104 10105 if (DEBUG_INSTALL) { 10106 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10107 } 10108 10109 if (grant != GRANT_DENIED) { 10110 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10111 // If this is an existing, non-system package, then 10112 // we can't add any new permissions to it. 10113 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10114 // Except... if this is a permission that was added 10115 // to the platform (note: need to only do this when 10116 // updating the platform). 10117 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10118 grant = GRANT_DENIED; 10119 } 10120 } 10121 } 10122 10123 switch (grant) { 10124 case GRANT_INSTALL: { 10125 // Revoke this as runtime permission to handle the case of 10126 // a runtime permission being downgraded to an install one. 10127 // Also in permission review mode we keep dangerous permissions 10128 // for legacy apps 10129 for (int userId : UserManagerService.getInstance().getUserIds()) { 10130 if (origPermissions.getRuntimePermissionState( 10131 bp.name, userId) != null) { 10132 // Revoke the runtime permission and clear the flags. 10133 origPermissions.revokeRuntimePermission(bp, userId); 10134 origPermissions.updatePermissionFlags(bp, userId, 10135 PackageManager.MASK_PERMISSION_FLAGS, 0); 10136 // If we revoked a permission permission, we have to write. 10137 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10138 changedRuntimePermissionUserIds, userId); 10139 } 10140 } 10141 // Grant an install permission. 10142 if (permissionsState.grantInstallPermission(bp) != 10143 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10144 changedInstallPermission = true; 10145 } 10146 } break; 10147 10148 case GRANT_RUNTIME: { 10149 // Grant previously granted runtime permissions. 10150 for (int userId : UserManagerService.getInstance().getUserIds()) { 10151 PermissionState permissionState = origPermissions 10152 .getRuntimePermissionState(bp.name, userId); 10153 int flags = permissionState != null 10154 ? permissionState.getFlags() : 0; 10155 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10156 if (permissionsState.grantRuntimePermission(bp, userId) == 10157 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10158 // If we cannot put the permission as it was, we have to write. 10159 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10160 changedRuntimePermissionUserIds, userId); 10161 } 10162 // If the app supports runtime permissions no need for a review. 10163 if (Build.PERMISSIONS_REVIEW_REQUIRED 10164 && appSupportsRuntimePermissions 10165 && (flags & PackageManager 10166 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10167 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10168 // Since we changed the flags, we have to write. 10169 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10170 changedRuntimePermissionUserIds, userId); 10171 } 10172 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10173 && !appSupportsRuntimePermissions) { 10174 // For legacy apps that need a permission review, every new 10175 // runtime permission is granted but it is pending a review. 10176 // We also need to review only platform defined runtime 10177 // permissions as these are the only ones the platform knows 10178 // how to disable the API to simulate revocation as legacy 10179 // apps don't expect to run with revoked permissions. 10180 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10181 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10182 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10183 // We changed the flags, hence have to write. 10184 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10185 changedRuntimePermissionUserIds, userId); 10186 } 10187 } 10188 if (permissionsState.grantRuntimePermission(bp, userId) 10189 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10190 // We changed the permission, hence have to write. 10191 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10192 changedRuntimePermissionUserIds, userId); 10193 } 10194 } 10195 // Propagate the permission flags. 10196 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10197 } 10198 } break; 10199 10200 case GRANT_UPGRADE: { 10201 // Grant runtime permissions for a previously held install permission. 10202 PermissionState permissionState = origPermissions 10203 .getInstallPermissionState(bp.name); 10204 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10205 10206 if (origPermissions.revokeInstallPermission(bp) 10207 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10208 // We will be transferring the permission flags, so clear them. 10209 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10210 PackageManager.MASK_PERMISSION_FLAGS, 0); 10211 changedInstallPermission = true; 10212 } 10213 10214 // If the permission is not to be promoted to runtime we ignore it and 10215 // also its other flags as they are not applicable to install permissions. 10216 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10217 for (int userId : currentUserIds) { 10218 if (permissionsState.grantRuntimePermission(bp, userId) != 10219 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10220 // Transfer the permission flags. 10221 permissionsState.updatePermissionFlags(bp, userId, 10222 flags, flags); 10223 // If we granted the permission, we have to write. 10224 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10225 changedRuntimePermissionUserIds, userId); 10226 } 10227 } 10228 } 10229 } break; 10230 10231 default: { 10232 if (packageOfInterest == null 10233 || packageOfInterest.equals(pkg.packageName)) { 10234 Slog.w(TAG, "Not granting permission " + perm 10235 + " to package " + pkg.packageName 10236 + " because it was previously installed without"); 10237 } 10238 } break; 10239 } 10240 } else { 10241 if (permissionsState.revokeInstallPermission(bp) != 10242 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10243 // Also drop the permission flags. 10244 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10245 PackageManager.MASK_PERMISSION_FLAGS, 0); 10246 changedInstallPermission = true; 10247 Slog.i(TAG, "Un-granting permission " + perm 10248 + " from package " + pkg.packageName 10249 + " (protectionLevel=" + bp.protectionLevel 10250 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10251 + ")"); 10252 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10253 // Don't print warning for app op permissions, since it is fine for them 10254 // not to be granted, there is a UI for the user to decide. 10255 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10256 Slog.w(TAG, "Not granting permission " + perm 10257 + " to package " + pkg.packageName 10258 + " (protectionLevel=" + bp.protectionLevel 10259 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10260 + ")"); 10261 } 10262 } 10263 } 10264 } 10265 10266 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10267 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10268 // This is the first that we have heard about this package, so the 10269 // permissions we have now selected are fixed until explicitly 10270 // changed. 10271 ps.installPermissionsFixed = true; 10272 } 10273 10274 // Persist the runtime permissions state for users with changes. If permissions 10275 // were revoked because no app in the shared user declares them we have to 10276 // write synchronously to avoid losing runtime permissions state. 10277 for (int userId : changedRuntimePermissionUserIds) { 10278 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10279 } 10280 10281 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10282 } 10283 10284 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10285 boolean allowed = false; 10286 final int NP = PackageParser.NEW_PERMISSIONS.length; 10287 for (int ip=0; ip<NP; ip++) { 10288 final PackageParser.NewPermissionInfo npi 10289 = PackageParser.NEW_PERMISSIONS[ip]; 10290 if (npi.name.equals(perm) 10291 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10292 allowed = true; 10293 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10294 + pkg.packageName); 10295 break; 10296 } 10297 } 10298 return allowed; 10299 } 10300 10301 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10302 BasePermission bp, PermissionsState origPermissions) { 10303 boolean allowed; 10304 allowed = (compareSignatures( 10305 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10306 == PackageManager.SIGNATURE_MATCH) 10307 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10308 == PackageManager.SIGNATURE_MATCH); 10309 if (!allowed && (bp.protectionLevel 10310 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10311 if (isSystemApp(pkg)) { 10312 // For updated system applications, a system permission 10313 // is granted only if it had been defined by the original application. 10314 if (pkg.isUpdatedSystemApp()) { 10315 final PackageSetting sysPs = mSettings 10316 .getDisabledSystemPkgLPr(pkg.packageName); 10317 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10318 // If the original was granted this permission, we take 10319 // that grant decision as read and propagate it to the 10320 // update. 10321 if (sysPs.isPrivileged()) { 10322 allowed = true; 10323 } 10324 } else { 10325 // The system apk may have been updated with an older 10326 // version of the one on the data partition, but which 10327 // granted a new system permission that it didn't have 10328 // before. In this case we do want to allow the app to 10329 // now get the new permission if the ancestral apk is 10330 // privileged to get it. 10331 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10332 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10333 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10334 allowed = true; 10335 break; 10336 } 10337 } 10338 } 10339 // Also if a privileged parent package on the system image or any of 10340 // its children requested a privileged permission, the updated child 10341 // packages can also get the permission. 10342 if (pkg.parentPackage != null) { 10343 final PackageSetting disabledSysParentPs = mSettings 10344 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10345 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10346 && disabledSysParentPs.isPrivileged()) { 10347 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10348 allowed = true; 10349 } else if (disabledSysParentPs.pkg.childPackages != null) { 10350 final int count = disabledSysParentPs.pkg.childPackages.size(); 10351 for (int i = 0; i < count; i++) { 10352 PackageParser.Package disabledSysChildPkg = 10353 disabledSysParentPs.pkg.childPackages.get(i); 10354 if (isPackageRequestingPermission(disabledSysChildPkg, 10355 perm)) { 10356 allowed = true; 10357 break; 10358 } 10359 } 10360 } 10361 } 10362 } 10363 } 10364 } else { 10365 allowed = isPrivilegedApp(pkg); 10366 } 10367 } 10368 } 10369 if (!allowed) { 10370 if (!allowed && (bp.protectionLevel 10371 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10372 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10373 // If this was a previously normal/dangerous permission that got moved 10374 // to a system permission as part of the runtime permission redesign, then 10375 // we still want to blindly grant it to old apps. 10376 allowed = true; 10377 } 10378 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10379 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10380 // If this permission is to be granted to the system installer and 10381 // this app is an installer, then it gets the permission. 10382 allowed = true; 10383 } 10384 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10385 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10386 // If this permission is to be granted to the system verifier and 10387 // this app is a verifier, then it gets the permission. 10388 allowed = true; 10389 } 10390 if (!allowed && (bp.protectionLevel 10391 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10392 && isSystemApp(pkg)) { 10393 // Any pre-installed system app is allowed to get this permission. 10394 allowed = true; 10395 } 10396 if (!allowed && (bp.protectionLevel 10397 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10398 // For development permissions, a development permission 10399 // is granted only if it was already granted. 10400 allowed = origPermissions.hasInstallPermission(perm); 10401 } 10402 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10403 && pkg.packageName.equals(mSetupWizardPackage)) { 10404 // If this permission is to be granted to the system setup wizard and 10405 // this app is a setup wizard, then it gets the permission. 10406 allowed = true; 10407 } 10408 } 10409 return allowed; 10410 } 10411 10412 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10413 final int permCount = pkg.requestedPermissions.size(); 10414 for (int j = 0; j < permCount; j++) { 10415 String requestedPermission = pkg.requestedPermissions.get(j); 10416 if (permission.equals(requestedPermission)) { 10417 return true; 10418 } 10419 } 10420 return false; 10421 } 10422 10423 final class ActivityIntentResolver 10424 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10425 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10426 boolean defaultOnly, int userId) { 10427 if (!sUserManager.exists(userId)) return null; 10428 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10429 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10430 } 10431 10432 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10433 int userId) { 10434 if (!sUserManager.exists(userId)) return null; 10435 mFlags = flags; 10436 return super.queryIntent(intent, resolvedType, 10437 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10438 } 10439 10440 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10441 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10442 if (!sUserManager.exists(userId)) return null; 10443 if (packageActivities == null) { 10444 return null; 10445 } 10446 mFlags = flags; 10447 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10448 final int N = packageActivities.size(); 10449 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10450 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10451 10452 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10453 for (int i = 0; i < N; ++i) { 10454 intentFilters = packageActivities.get(i).intents; 10455 if (intentFilters != null && intentFilters.size() > 0) { 10456 PackageParser.ActivityIntentInfo[] array = 10457 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10458 intentFilters.toArray(array); 10459 listCut.add(array); 10460 } 10461 } 10462 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10463 } 10464 10465 /** 10466 * Finds a privileged activity that matches the specified activity names. 10467 */ 10468 private PackageParser.Activity findMatchingActivity( 10469 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10470 for (PackageParser.Activity sysActivity : activityList) { 10471 if (sysActivity.info.name.equals(activityInfo.name)) { 10472 return sysActivity; 10473 } 10474 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10475 return sysActivity; 10476 } 10477 if (sysActivity.info.targetActivity != null) { 10478 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10479 return sysActivity; 10480 } 10481 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10482 return sysActivity; 10483 } 10484 } 10485 } 10486 return null; 10487 } 10488 10489 public class IterGenerator<E> { 10490 public Iterator<E> generate(ActivityIntentInfo info) { 10491 return null; 10492 } 10493 } 10494 10495 public class ActionIterGenerator extends IterGenerator<String> { 10496 @Override 10497 public Iterator<String> generate(ActivityIntentInfo info) { 10498 return info.actionsIterator(); 10499 } 10500 } 10501 10502 public class CategoriesIterGenerator extends IterGenerator<String> { 10503 @Override 10504 public Iterator<String> generate(ActivityIntentInfo info) { 10505 return info.categoriesIterator(); 10506 } 10507 } 10508 10509 public class SchemesIterGenerator extends IterGenerator<String> { 10510 @Override 10511 public Iterator<String> generate(ActivityIntentInfo info) { 10512 return info.schemesIterator(); 10513 } 10514 } 10515 10516 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10517 @Override 10518 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10519 return info.authoritiesIterator(); 10520 } 10521 } 10522 10523 /** 10524 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10525 * MODIFIED. Do not pass in a list that should not be changed. 10526 */ 10527 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10528 IterGenerator<T> generator, Iterator<T> searchIterator) { 10529 // loop through the set of actions; every one must be found in the intent filter 10530 while (searchIterator.hasNext()) { 10531 // we must have at least one filter in the list to consider a match 10532 if (intentList.size() == 0) { 10533 break; 10534 } 10535 10536 final T searchAction = searchIterator.next(); 10537 10538 // loop through the set of intent filters 10539 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10540 while (intentIter.hasNext()) { 10541 final ActivityIntentInfo intentInfo = intentIter.next(); 10542 boolean selectionFound = false; 10543 10544 // loop through the intent filter's selection criteria; at least one 10545 // of them must match the searched criteria 10546 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10547 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10548 final T intentSelection = intentSelectionIter.next(); 10549 if (intentSelection != null && intentSelection.equals(searchAction)) { 10550 selectionFound = true; 10551 break; 10552 } 10553 } 10554 10555 // the selection criteria wasn't found in this filter's set; this filter 10556 // is not a potential match 10557 if (!selectionFound) { 10558 intentIter.remove(); 10559 } 10560 } 10561 } 10562 } 10563 10564 private boolean isProtectedAction(ActivityIntentInfo filter) { 10565 final Iterator<String> actionsIter = filter.actionsIterator(); 10566 while (actionsIter != null && actionsIter.hasNext()) { 10567 final String filterAction = actionsIter.next(); 10568 if (PROTECTED_ACTIONS.contains(filterAction)) { 10569 return true; 10570 } 10571 } 10572 return false; 10573 } 10574 10575 /** 10576 * Adjusts the priority of the given intent filter according to policy. 10577 * <p> 10578 * <ul> 10579 * <li>The priority for non privileged applications is capped to '0'</li> 10580 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10581 * <li>The priority for unbundled updates to privileged applications is capped to the 10582 * priority defined on the system partition</li> 10583 * </ul> 10584 * <p> 10585 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10586 * allowed to obtain any priority on any action. 10587 */ 10588 private void adjustPriority( 10589 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10590 // nothing to do; priority is fine as-is 10591 if (intent.getPriority() <= 0) { 10592 return; 10593 } 10594 10595 final ActivityInfo activityInfo = intent.activity.info; 10596 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10597 10598 final boolean privilegedApp = 10599 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10600 if (!privilegedApp) { 10601 // non-privileged applications can never define a priority >0 10602 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10603 + " package: " + applicationInfo.packageName 10604 + " activity: " + intent.activity.className 10605 + " origPrio: " + intent.getPriority()); 10606 intent.setPriority(0); 10607 return; 10608 } 10609 10610 if (systemActivities == null) { 10611 // the system package is not disabled; we're parsing the system partition 10612 if (isProtectedAction(intent)) { 10613 if (mDeferProtectedFilters) { 10614 // We can't deal with these just yet. No component should ever obtain a 10615 // >0 priority for a protected actions, with ONE exception -- the setup 10616 // wizard. The setup wizard, however, cannot be known until we're able to 10617 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10618 // until all intent filters have been processed. Chicken, meet egg. 10619 // Let the filter temporarily have a high priority and rectify the 10620 // priorities after all system packages have been scanned. 10621 mProtectedFilters.add(intent); 10622 if (DEBUG_FILTERS) { 10623 Slog.i(TAG, "Protected action; save for later;" 10624 + " package: " + applicationInfo.packageName 10625 + " activity: " + intent.activity.className 10626 + " origPrio: " + intent.getPriority()); 10627 } 10628 return; 10629 } else { 10630 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10631 Slog.i(TAG, "No setup wizard;" 10632 + " All protected intents capped to priority 0"); 10633 } 10634 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10635 if (DEBUG_FILTERS) { 10636 Slog.i(TAG, "Found setup wizard;" 10637 + " allow priority " + intent.getPriority() + ";" 10638 + " package: " + intent.activity.info.packageName 10639 + " activity: " + intent.activity.className 10640 + " priority: " + intent.getPriority()); 10641 } 10642 // setup wizard gets whatever it wants 10643 return; 10644 } 10645 Slog.w(TAG, "Protected action; cap priority to 0;" 10646 + " package: " + intent.activity.info.packageName 10647 + " activity: " + intent.activity.className 10648 + " origPrio: " + intent.getPriority()); 10649 intent.setPriority(0); 10650 return; 10651 } 10652 } 10653 // privileged apps on the system image get whatever priority they request 10654 return; 10655 } 10656 10657 // privileged app unbundled update ... try to find the same activity 10658 final PackageParser.Activity foundActivity = 10659 findMatchingActivity(systemActivities, activityInfo); 10660 if (foundActivity == null) { 10661 // this is a new activity; it cannot obtain >0 priority 10662 if (DEBUG_FILTERS) { 10663 Slog.i(TAG, "New activity; cap priority to 0;" 10664 + " package: " + applicationInfo.packageName 10665 + " activity: " + intent.activity.className 10666 + " origPrio: " + intent.getPriority()); 10667 } 10668 intent.setPriority(0); 10669 return; 10670 } 10671 10672 // found activity, now check for filter equivalence 10673 10674 // a shallow copy is enough; we modify the list, not its contents 10675 final List<ActivityIntentInfo> intentListCopy = 10676 new ArrayList<>(foundActivity.intents); 10677 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10678 10679 // find matching action subsets 10680 final Iterator<String> actionsIterator = intent.actionsIterator(); 10681 if (actionsIterator != null) { 10682 getIntentListSubset( 10683 intentListCopy, new ActionIterGenerator(), actionsIterator); 10684 if (intentListCopy.size() == 0) { 10685 // no more intents to match; we're not equivalent 10686 if (DEBUG_FILTERS) { 10687 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10688 + " package: " + applicationInfo.packageName 10689 + " activity: " + intent.activity.className 10690 + " origPrio: " + intent.getPriority()); 10691 } 10692 intent.setPriority(0); 10693 return; 10694 } 10695 } 10696 10697 // find matching category subsets 10698 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10699 if (categoriesIterator != null) { 10700 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10701 categoriesIterator); 10702 if (intentListCopy.size() == 0) { 10703 // no more intents to match; we're not equivalent 10704 if (DEBUG_FILTERS) { 10705 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10706 + " package: " + applicationInfo.packageName 10707 + " activity: " + intent.activity.className 10708 + " origPrio: " + intent.getPriority()); 10709 } 10710 intent.setPriority(0); 10711 return; 10712 } 10713 } 10714 10715 // find matching schemes subsets 10716 final Iterator<String> schemesIterator = intent.schemesIterator(); 10717 if (schemesIterator != null) { 10718 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10719 schemesIterator); 10720 if (intentListCopy.size() == 0) { 10721 // no more intents to match; we're not equivalent 10722 if (DEBUG_FILTERS) { 10723 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10724 + " package: " + applicationInfo.packageName 10725 + " activity: " + intent.activity.className 10726 + " origPrio: " + intent.getPriority()); 10727 } 10728 intent.setPriority(0); 10729 return; 10730 } 10731 } 10732 10733 // find matching authorities subsets 10734 final Iterator<IntentFilter.AuthorityEntry> 10735 authoritiesIterator = intent.authoritiesIterator(); 10736 if (authoritiesIterator != null) { 10737 getIntentListSubset(intentListCopy, 10738 new AuthoritiesIterGenerator(), 10739 authoritiesIterator); 10740 if (intentListCopy.size() == 0) { 10741 // no more intents to match; we're not equivalent 10742 if (DEBUG_FILTERS) { 10743 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10744 + " package: " + applicationInfo.packageName 10745 + " activity: " + intent.activity.className 10746 + " origPrio: " + intent.getPriority()); 10747 } 10748 intent.setPriority(0); 10749 return; 10750 } 10751 } 10752 10753 // we found matching filter(s); app gets the max priority of all intents 10754 int cappedPriority = 0; 10755 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10756 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10757 } 10758 if (intent.getPriority() > cappedPriority) { 10759 if (DEBUG_FILTERS) { 10760 Slog.i(TAG, "Found matching filter(s);" 10761 + " cap priority to " + cappedPriority + ";" 10762 + " package: " + applicationInfo.packageName 10763 + " activity: " + intent.activity.className 10764 + " origPrio: " + intent.getPriority()); 10765 } 10766 intent.setPriority(cappedPriority); 10767 return; 10768 } 10769 // all this for nothing; the requested priority was <= what was on the system 10770 } 10771 10772 public final void addActivity(PackageParser.Activity a, String type) { 10773 mActivities.put(a.getComponentName(), a); 10774 if (DEBUG_SHOW_INFO) 10775 Log.v( 10776 TAG, " " + type + " " + 10777 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10778 if (DEBUG_SHOW_INFO) 10779 Log.v(TAG, " Class=" + a.info.name); 10780 final int NI = a.intents.size(); 10781 for (int j=0; j<NI; j++) { 10782 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10783 if ("activity".equals(type)) { 10784 final PackageSetting ps = 10785 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10786 final List<PackageParser.Activity> systemActivities = 10787 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10788 adjustPriority(systemActivities, intent); 10789 } 10790 if (DEBUG_SHOW_INFO) { 10791 Log.v(TAG, " IntentFilter:"); 10792 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10793 } 10794 if (!intent.debugCheck()) { 10795 Log.w(TAG, "==> For Activity " + a.info.name); 10796 } 10797 addFilter(intent); 10798 } 10799 } 10800 10801 public final void removeActivity(PackageParser.Activity a, String type) { 10802 mActivities.remove(a.getComponentName()); 10803 if (DEBUG_SHOW_INFO) { 10804 Log.v(TAG, " " + type + " " 10805 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10806 : a.info.name) + ":"); 10807 Log.v(TAG, " Class=" + a.info.name); 10808 } 10809 final int NI = a.intents.size(); 10810 for (int j=0; j<NI; j++) { 10811 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10812 if (DEBUG_SHOW_INFO) { 10813 Log.v(TAG, " IntentFilter:"); 10814 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10815 } 10816 removeFilter(intent); 10817 } 10818 } 10819 10820 @Override 10821 protected boolean allowFilterResult( 10822 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10823 ActivityInfo filterAi = filter.activity.info; 10824 for (int i=dest.size()-1; i>=0; i--) { 10825 ActivityInfo destAi = dest.get(i).activityInfo; 10826 if (destAi.name == filterAi.name 10827 && destAi.packageName == filterAi.packageName) { 10828 return false; 10829 } 10830 } 10831 return true; 10832 } 10833 10834 @Override 10835 protected ActivityIntentInfo[] newArray(int size) { 10836 return new ActivityIntentInfo[size]; 10837 } 10838 10839 @Override 10840 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10841 if (!sUserManager.exists(userId)) return true; 10842 PackageParser.Package p = filter.activity.owner; 10843 if (p != null) { 10844 PackageSetting ps = (PackageSetting)p.mExtras; 10845 if (ps != null) { 10846 // System apps are never considered stopped for purposes of 10847 // filtering, because there may be no way for the user to 10848 // actually re-launch them. 10849 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10850 && ps.getStopped(userId); 10851 } 10852 } 10853 return false; 10854 } 10855 10856 @Override 10857 protected boolean isPackageForFilter(String packageName, 10858 PackageParser.ActivityIntentInfo info) { 10859 return packageName.equals(info.activity.owner.packageName); 10860 } 10861 10862 @Override 10863 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10864 int match, int userId) { 10865 if (!sUserManager.exists(userId)) return null; 10866 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10867 return null; 10868 } 10869 final PackageParser.Activity activity = info.activity; 10870 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10871 if (ps == null) { 10872 return null; 10873 } 10874 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10875 ps.readUserState(userId), userId); 10876 if (ai == null) { 10877 return null; 10878 } 10879 final ResolveInfo res = new ResolveInfo(); 10880 res.activityInfo = ai; 10881 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10882 res.filter = info; 10883 } 10884 if (info != null) { 10885 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10886 } 10887 res.priority = info.getPriority(); 10888 res.preferredOrder = activity.owner.mPreferredOrder; 10889 //System.out.println("Result: " + res.activityInfo.className + 10890 // " = " + res.priority); 10891 res.match = match; 10892 res.isDefault = info.hasDefault; 10893 res.labelRes = info.labelRes; 10894 res.nonLocalizedLabel = info.nonLocalizedLabel; 10895 if (userNeedsBadging(userId)) { 10896 res.noResourceId = true; 10897 } else { 10898 res.icon = info.icon; 10899 } 10900 res.iconResourceId = info.icon; 10901 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10902 return res; 10903 } 10904 10905 @Override 10906 protected void sortResults(List<ResolveInfo> results) { 10907 Collections.sort(results, mResolvePrioritySorter); 10908 } 10909 10910 @Override 10911 protected void dumpFilter(PrintWriter out, String prefix, 10912 PackageParser.ActivityIntentInfo filter) { 10913 out.print(prefix); out.print( 10914 Integer.toHexString(System.identityHashCode(filter.activity))); 10915 out.print(' '); 10916 filter.activity.printComponentShortName(out); 10917 out.print(" filter "); 10918 out.println(Integer.toHexString(System.identityHashCode(filter))); 10919 } 10920 10921 @Override 10922 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10923 return filter.activity; 10924 } 10925 10926 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10927 PackageParser.Activity activity = (PackageParser.Activity)label; 10928 out.print(prefix); out.print( 10929 Integer.toHexString(System.identityHashCode(activity))); 10930 out.print(' '); 10931 activity.printComponentShortName(out); 10932 if (count > 1) { 10933 out.print(" ("); out.print(count); out.print(" filters)"); 10934 } 10935 out.println(); 10936 } 10937 10938 // Keys are String (activity class name), values are Activity. 10939 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10940 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10941 private int mFlags; 10942 } 10943 10944 private final class ServiceIntentResolver 10945 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10946 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10947 boolean defaultOnly, int userId) { 10948 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10949 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10950 } 10951 10952 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10953 int userId) { 10954 if (!sUserManager.exists(userId)) return null; 10955 mFlags = flags; 10956 return super.queryIntent(intent, resolvedType, 10957 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10958 } 10959 10960 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10961 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10962 if (!sUserManager.exists(userId)) return null; 10963 if (packageServices == null) { 10964 return null; 10965 } 10966 mFlags = flags; 10967 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10968 final int N = packageServices.size(); 10969 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10970 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10971 10972 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10973 for (int i = 0; i < N; ++i) { 10974 intentFilters = packageServices.get(i).intents; 10975 if (intentFilters != null && intentFilters.size() > 0) { 10976 PackageParser.ServiceIntentInfo[] array = 10977 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10978 intentFilters.toArray(array); 10979 listCut.add(array); 10980 } 10981 } 10982 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10983 } 10984 10985 public final void addService(PackageParser.Service s) { 10986 mServices.put(s.getComponentName(), s); 10987 if (DEBUG_SHOW_INFO) { 10988 Log.v(TAG, " " 10989 + (s.info.nonLocalizedLabel != null 10990 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10991 Log.v(TAG, " Class=" + s.info.name); 10992 } 10993 final int NI = s.intents.size(); 10994 int j; 10995 for (j=0; j<NI; j++) { 10996 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10997 if (DEBUG_SHOW_INFO) { 10998 Log.v(TAG, " IntentFilter:"); 10999 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11000 } 11001 if (!intent.debugCheck()) { 11002 Log.w(TAG, "==> For Service " + s.info.name); 11003 } 11004 addFilter(intent); 11005 } 11006 } 11007 11008 public final void removeService(PackageParser.Service s) { 11009 mServices.remove(s.getComponentName()); 11010 if (DEBUG_SHOW_INFO) { 11011 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11012 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11013 Log.v(TAG, " Class=" + s.info.name); 11014 } 11015 final int NI = s.intents.size(); 11016 int j; 11017 for (j=0; j<NI; j++) { 11018 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11019 if (DEBUG_SHOW_INFO) { 11020 Log.v(TAG, " IntentFilter:"); 11021 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11022 } 11023 removeFilter(intent); 11024 } 11025 } 11026 11027 @Override 11028 protected boolean allowFilterResult( 11029 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11030 ServiceInfo filterSi = filter.service.info; 11031 for (int i=dest.size()-1; i>=0; i--) { 11032 ServiceInfo destAi = dest.get(i).serviceInfo; 11033 if (destAi.name == filterSi.name 11034 && destAi.packageName == filterSi.packageName) { 11035 return false; 11036 } 11037 } 11038 return true; 11039 } 11040 11041 @Override 11042 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11043 return new PackageParser.ServiceIntentInfo[size]; 11044 } 11045 11046 @Override 11047 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11048 if (!sUserManager.exists(userId)) return true; 11049 PackageParser.Package p = filter.service.owner; 11050 if (p != null) { 11051 PackageSetting ps = (PackageSetting)p.mExtras; 11052 if (ps != null) { 11053 // System apps are never considered stopped for purposes of 11054 // filtering, because there may be no way for the user to 11055 // actually re-launch them. 11056 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11057 && ps.getStopped(userId); 11058 } 11059 } 11060 return false; 11061 } 11062 11063 @Override 11064 protected boolean isPackageForFilter(String packageName, 11065 PackageParser.ServiceIntentInfo info) { 11066 return packageName.equals(info.service.owner.packageName); 11067 } 11068 11069 @Override 11070 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11071 int match, int userId) { 11072 if (!sUserManager.exists(userId)) return null; 11073 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11074 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11075 return null; 11076 } 11077 final PackageParser.Service service = info.service; 11078 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11079 if (ps == null) { 11080 return null; 11081 } 11082 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11083 ps.readUserState(userId), userId); 11084 if (si == null) { 11085 return null; 11086 } 11087 final ResolveInfo res = new ResolveInfo(); 11088 res.serviceInfo = si; 11089 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11090 res.filter = filter; 11091 } 11092 res.priority = info.getPriority(); 11093 res.preferredOrder = service.owner.mPreferredOrder; 11094 res.match = match; 11095 res.isDefault = info.hasDefault; 11096 res.labelRes = info.labelRes; 11097 res.nonLocalizedLabel = info.nonLocalizedLabel; 11098 res.icon = info.icon; 11099 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11100 return res; 11101 } 11102 11103 @Override 11104 protected void sortResults(List<ResolveInfo> results) { 11105 Collections.sort(results, mResolvePrioritySorter); 11106 } 11107 11108 @Override 11109 protected void dumpFilter(PrintWriter out, String prefix, 11110 PackageParser.ServiceIntentInfo filter) { 11111 out.print(prefix); out.print( 11112 Integer.toHexString(System.identityHashCode(filter.service))); 11113 out.print(' '); 11114 filter.service.printComponentShortName(out); 11115 out.print(" filter "); 11116 out.println(Integer.toHexString(System.identityHashCode(filter))); 11117 } 11118 11119 @Override 11120 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11121 return filter.service; 11122 } 11123 11124 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11125 PackageParser.Service service = (PackageParser.Service)label; 11126 out.print(prefix); out.print( 11127 Integer.toHexString(System.identityHashCode(service))); 11128 out.print(' '); 11129 service.printComponentShortName(out); 11130 if (count > 1) { 11131 out.print(" ("); out.print(count); out.print(" filters)"); 11132 } 11133 out.println(); 11134 } 11135 11136// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11137// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11138// final List<ResolveInfo> retList = Lists.newArrayList(); 11139// while (i.hasNext()) { 11140// final ResolveInfo resolveInfo = (ResolveInfo) i; 11141// if (isEnabledLP(resolveInfo.serviceInfo)) { 11142// retList.add(resolveInfo); 11143// } 11144// } 11145// return retList; 11146// } 11147 11148 // Keys are String (activity class name), values are Activity. 11149 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11150 = new ArrayMap<ComponentName, PackageParser.Service>(); 11151 private int mFlags; 11152 }; 11153 11154 private final class ProviderIntentResolver 11155 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11156 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11157 boolean defaultOnly, int userId) { 11158 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11159 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11160 } 11161 11162 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11163 int userId) { 11164 if (!sUserManager.exists(userId)) 11165 return null; 11166 mFlags = flags; 11167 return super.queryIntent(intent, resolvedType, 11168 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11169 } 11170 11171 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11172 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11173 if (!sUserManager.exists(userId)) 11174 return null; 11175 if (packageProviders == null) { 11176 return null; 11177 } 11178 mFlags = flags; 11179 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11180 final int N = packageProviders.size(); 11181 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11182 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11183 11184 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11185 for (int i = 0; i < N; ++i) { 11186 intentFilters = packageProviders.get(i).intents; 11187 if (intentFilters != null && intentFilters.size() > 0) { 11188 PackageParser.ProviderIntentInfo[] array = 11189 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11190 intentFilters.toArray(array); 11191 listCut.add(array); 11192 } 11193 } 11194 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11195 } 11196 11197 public final void addProvider(PackageParser.Provider p) { 11198 if (mProviders.containsKey(p.getComponentName())) { 11199 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11200 return; 11201 } 11202 11203 mProviders.put(p.getComponentName(), p); 11204 if (DEBUG_SHOW_INFO) { 11205 Log.v(TAG, " " 11206 + (p.info.nonLocalizedLabel != null 11207 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11208 Log.v(TAG, " Class=" + p.info.name); 11209 } 11210 final int NI = p.intents.size(); 11211 int j; 11212 for (j = 0; j < NI; j++) { 11213 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11214 if (DEBUG_SHOW_INFO) { 11215 Log.v(TAG, " IntentFilter:"); 11216 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11217 } 11218 if (!intent.debugCheck()) { 11219 Log.w(TAG, "==> For Provider " + p.info.name); 11220 } 11221 addFilter(intent); 11222 } 11223 } 11224 11225 public final void removeProvider(PackageParser.Provider p) { 11226 mProviders.remove(p.getComponentName()); 11227 if (DEBUG_SHOW_INFO) { 11228 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11229 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11230 Log.v(TAG, " Class=" + p.info.name); 11231 } 11232 final int NI = p.intents.size(); 11233 int j; 11234 for (j = 0; j < NI; j++) { 11235 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11236 if (DEBUG_SHOW_INFO) { 11237 Log.v(TAG, " IntentFilter:"); 11238 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11239 } 11240 removeFilter(intent); 11241 } 11242 } 11243 11244 @Override 11245 protected boolean allowFilterResult( 11246 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11247 ProviderInfo filterPi = filter.provider.info; 11248 for (int i = dest.size() - 1; i >= 0; i--) { 11249 ProviderInfo destPi = dest.get(i).providerInfo; 11250 if (destPi.name == filterPi.name 11251 && destPi.packageName == filterPi.packageName) { 11252 return false; 11253 } 11254 } 11255 return true; 11256 } 11257 11258 @Override 11259 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11260 return new PackageParser.ProviderIntentInfo[size]; 11261 } 11262 11263 @Override 11264 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11265 if (!sUserManager.exists(userId)) 11266 return true; 11267 PackageParser.Package p = filter.provider.owner; 11268 if (p != null) { 11269 PackageSetting ps = (PackageSetting) p.mExtras; 11270 if (ps != null) { 11271 // System apps are never considered stopped for purposes of 11272 // filtering, because there may be no way for the user to 11273 // actually re-launch them. 11274 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11275 && ps.getStopped(userId); 11276 } 11277 } 11278 return false; 11279 } 11280 11281 @Override 11282 protected boolean isPackageForFilter(String packageName, 11283 PackageParser.ProviderIntentInfo info) { 11284 return packageName.equals(info.provider.owner.packageName); 11285 } 11286 11287 @Override 11288 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11289 int match, int userId) { 11290 if (!sUserManager.exists(userId)) 11291 return null; 11292 final PackageParser.ProviderIntentInfo info = filter; 11293 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11294 return null; 11295 } 11296 final PackageParser.Provider provider = info.provider; 11297 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11298 if (ps == null) { 11299 return null; 11300 } 11301 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11302 ps.readUserState(userId), userId); 11303 if (pi == null) { 11304 return null; 11305 } 11306 final ResolveInfo res = new ResolveInfo(); 11307 res.providerInfo = pi; 11308 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11309 res.filter = filter; 11310 } 11311 res.priority = info.getPriority(); 11312 res.preferredOrder = provider.owner.mPreferredOrder; 11313 res.match = match; 11314 res.isDefault = info.hasDefault; 11315 res.labelRes = info.labelRes; 11316 res.nonLocalizedLabel = info.nonLocalizedLabel; 11317 res.icon = info.icon; 11318 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11319 return res; 11320 } 11321 11322 @Override 11323 protected void sortResults(List<ResolveInfo> results) { 11324 Collections.sort(results, mResolvePrioritySorter); 11325 } 11326 11327 @Override 11328 protected void dumpFilter(PrintWriter out, String prefix, 11329 PackageParser.ProviderIntentInfo filter) { 11330 out.print(prefix); 11331 out.print( 11332 Integer.toHexString(System.identityHashCode(filter.provider))); 11333 out.print(' '); 11334 filter.provider.printComponentShortName(out); 11335 out.print(" filter "); 11336 out.println(Integer.toHexString(System.identityHashCode(filter))); 11337 } 11338 11339 @Override 11340 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11341 return filter.provider; 11342 } 11343 11344 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11345 PackageParser.Provider provider = (PackageParser.Provider)label; 11346 out.print(prefix); out.print( 11347 Integer.toHexString(System.identityHashCode(provider))); 11348 out.print(' '); 11349 provider.printComponentShortName(out); 11350 if (count > 1) { 11351 out.print(" ("); out.print(count); out.print(" filters)"); 11352 } 11353 out.println(); 11354 } 11355 11356 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11357 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11358 private int mFlags; 11359 } 11360 11361 private static final class EphemeralIntentResolver 11362 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11363 @Override 11364 protected EphemeralResolveIntentInfo[] newArray(int size) { 11365 return new EphemeralResolveIntentInfo[size]; 11366 } 11367 11368 @Override 11369 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11370 return true; 11371 } 11372 11373 @Override 11374 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11375 int userId) { 11376 if (!sUserManager.exists(userId)) { 11377 return null; 11378 } 11379 return info.getEphemeralResolveInfo(); 11380 } 11381 } 11382 11383 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11384 new Comparator<ResolveInfo>() { 11385 public int compare(ResolveInfo r1, ResolveInfo r2) { 11386 int v1 = r1.priority; 11387 int v2 = r2.priority; 11388 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11389 if (v1 != v2) { 11390 return (v1 > v2) ? -1 : 1; 11391 } 11392 v1 = r1.preferredOrder; 11393 v2 = r2.preferredOrder; 11394 if (v1 != v2) { 11395 return (v1 > v2) ? -1 : 1; 11396 } 11397 if (r1.isDefault != r2.isDefault) { 11398 return r1.isDefault ? -1 : 1; 11399 } 11400 v1 = r1.match; 11401 v2 = r2.match; 11402 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11403 if (v1 != v2) { 11404 return (v1 > v2) ? -1 : 1; 11405 } 11406 if (r1.system != r2.system) { 11407 return r1.system ? -1 : 1; 11408 } 11409 if (r1.activityInfo != null) { 11410 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11411 } 11412 if (r1.serviceInfo != null) { 11413 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11414 } 11415 if (r1.providerInfo != null) { 11416 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11417 } 11418 return 0; 11419 } 11420 }; 11421 11422 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11423 new Comparator<ProviderInfo>() { 11424 public int compare(ProviderInfo p1, ProviderInfo p2) { 11425 final int v1 = p1.initOrder; 11426 final int v2 = p2.initOrder; 11427 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11428 } 11429 }; 11430 11431 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11432 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11433 final int[] userIds) { 11434 mHandler.post(new Runnable() { 11435 @Override 11436 public void run() { 11437 try { 11438 final IActivityManager am = ActivityManagerNative.getDefault(); 11439 if (am == null) return; 11440 final int[] resolvedUserIds; 11441 if (userIds == null) { 11442 resolvedUserIds = am.getRunningUserIds(); 11443 } else { 11444 resolvedUserIds = userIds; 11445 } 11446 for (int id : resolvedUserIds) { 11447 final Intent intent = new Intent(action, 11448 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11449 if (extras != null) { 11450 intent.putExtras(extras); 11451 } 11452 if (targetPkg != null) { 11453 intent.setPackage(targetPkg); 11454 } 11455 // Modify the UID when posting to other users 11456 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11457 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11458 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11459 intent.putExtra(Intent.EXTRA_UID, uid); 11460 } 11461 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11462 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11463 if (DEBUG_BROADCASTS) { 11464 RuntimeException here = new RuntimeException("here"); 11465 here.fillInStackTrace(); 11466 Slog.d(TAG, "Sending to user " + id + ": " 11467 + intent.toShortString(false, true, false, false) 11468 + " " + intent.getExtras(), here); 11469 } 11470 am.broadcastIntent(null, intent, null, finishedReceiver, 11471 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11472 null, finishedReceiver != null, false, id); 11473 } 11474 } catch (RemoteException ex) { 11475 } 11476 } 11477 }); 11478 } 11479 11480 /** 11481 * Check if the external storage media is available. This is true if there 11482 * is a mounted external storage medium or if the external storage is 11483 * emulated. 11484 */ 11485 private boolean isExternalMediaAvailable() { 11486 return mMediaMounted || Environment.isExternalStorageEmulated(); 11487 } 11488 11489 @Override 11490 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11491 // writer 11492 synchronized (mPackages) { 11493 if (!isExternalMediaAvailable()) { 11494 // If the external storage is no longer mounted at this point, 11495 // the caller may not have been able to delete all of this 11496 // packages files and can not delete any more. Bail. 11497 return null; 11498 } 11499 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11500 if (lastPackage != null) { 11501 pkgs.remove(lastPackage); 11502 } 11503 if (pkgs.size() > 0) { 11504 return pkgs.get(0); 11505 } 11506 } 11507 return null; 11508 } 11509 11510 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11511 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11512 userId, andCode ? 1 : 0, packageName); 11513 if (mSystemReady) { 11514 msg.sendToTarget(); 11515 } else { 11516 if (mPostSystemReadyMessages == null) { 11517 mPostSystemReadyMessages = new ArrayList<>(); 11518 } 11519 mPostSystemReadyMessages.add(msg); 11520 } 11521 } 11522 11523 void startCleaningPackages() { 11524 // reader 11525 if (!isExternalMediaAvailable()) { 11526 return; 11527 } 11528 synchronized (mPackages) { 11529 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11530 return; 11531 } 11532 } 11533 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11534 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11535 IActivityManager am = ActivityManagerNative.getDefault(); 11536 if (am != null) { 11537 try { 11538 am.startService(null, intent, null, mContext.getOpPackageName(), 11539 UserHandle.USER_SYSTEM); 11540 } catch (RemoteException e) { 11541 } 11542 } 11543 } 11544 11545 @Override 11546 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11547 int installFlags, String installerPackageName, int userId) { 11548 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11549 11550 final int callingUid = Binder.getCallingUid(); 11551 enforceCrossUserPermission(callingUid, userId, 11552 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11553 11554 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11555 try { 11556 if (observer != null) { 11557 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11558 } 11559 } catch (RemoteException re) { 11560 } 11561 return; 11562 } 11563 11564 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11565 installFlags |= PackageManager.INSTALL_FROM_ADB; 11566 11567 } else { 11568 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11569 // about installerPackageName. 11570 11571 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11572 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11573 } 11574 11575 UserHandle user; 11576 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11577 user = UserHandle.ALL; 11578 } else { 11579 user = new UserHandle(userId); 11580 } 11581 11582 // Only system components can circumvent runtime permissions when installing. 11583 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11584 && mContext.checkCallingOrSelfPermission(Manifest.permission 11585 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11586 throw new SecurityException("You need the " 11587 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11588 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11589 } 11590 11591 final File originFile = new File(originPath); 11592 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11593 11594 final Message msg = mHandler.obtainMessage(INIT_COPY); 11595 final VerificationInfo verificationInfo = new VerificationInfo( 11596 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11597 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11598 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11599 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11600 null /*certificates*/); 11601 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11602 msg.obj = params; 11603 11604 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11605 System.identityHashCode(msg.obj)); 11606 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11607 System.identityHashCode(msg.obj)); 11608 11609 mHandler.sendMessage(msg); 11610 } 11611 11612 void installStage(String packageName, File stagedDir, String stagedCid, 11613 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11614 String installerPackageName, int installerUid, UserHandle user, 11615 Certificate[][] certificates) { 11616 if (DEBUG_EPHEMERAL) { 11617 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11618 Slog.d(TAG, "Ephemeral install of " + packageName); 11619 } 11620 } 11621 final VerificationInfo verificationInfo = new VerificationInfo( 11622 sessionParams.originatingUri, sessionParams.referrerUri, 11623 sessionParams.originatingUid, installerUid); 11624 11625 final OriginInfo origin; 11626 if (stagedDir != null) { 11627 origin = OriginInfo.fromStagedFile(stagedDir); 11628 } else { 11629 origin = OriginInfo.fromStagedContainer(stagedCid); 11630 } 11631 11632 final Message msg = mHandler.obtainMessage(INIT_COPY); 11633 final InstallParams params = new InstallParams(origin, null, observer, 11634 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11635 verificationInfo, user, sessionParams.abiOverride, 11636 sessionParams.grantedRuntimePermissions, certificates); 11637 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11638 msg.obj = params; 11639 11640 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11641 System.identityHashCode(msg.obj)); 11642 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11643 System.identityHashCode(msg.obj)); 11644 11645 mHandler.sendMessage(msg); 11646 } 11647 11648 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11649 int userId) { 11650 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11651 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11652 } 11653 11654 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11655 int appId, int userId) { 11656 Bundle extras = new Bundle(1); 11657 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11658 11659 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11660 packageName, extras, 0, null, null, new int[] {userId}); 11661 try { 11662 IActivityManager am = ActivityManagerNative.getDefault(); 11663 if (isSystem && am.isUserRunning(userId, 0)) { 11664 // The just-installed/enabled app is bundled on the system, so presumed 11665 // to be able to run automatically without needing an explicit launch. 11666 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11667 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11668 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11669 .setPackage(packageName); 11670 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11671 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11672 } 11673 } catch (RemoteException e) { 11674 // shouldn't happen 11675 Slog.w(TAG, "Unable to bootstrap installed package", e); 11676 } 11677 } 11678 11679 @Override 11680 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11681 int userId) { 11682 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11683 PackageSetting pkgSetting; 11684 final int uid = Binder.getCallingUid(); 11685 enforceCrossUserPermission(uid, userId, 11686 true /* requireFullPermission */, true /* checkShell */, 11687 "setApplicationHiddenSetting for user " + userId); 11688 11689 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11690 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11691 return false; 11692 } 11693 11694 long callingId = Binder.clearCallingIdentity(); 11695 try { 11696 boolean sendAdded = false; 11697 boolean sendRemoved = false; 11698 // writer 11699 synchronized (mPackages) { 11700 pkgSetting = mSettings.mPackages.get(packageName); 11701 if (pkgSetting == null) { 11702 return false; 11703 } 11704 // Only allow protected packages to hide themselves. 11705 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11706 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11707 Slog.w(TAG, "Not hiding protected package: " + packageName); 11708 return false; 11709 } 11710 if (pkgSetting.getHidden(userId) != hidden) { 11711 pkgSetting.setHidden(hidden, userId); 11712 mSettings.writePackageRestrictionsLPr(userId); 11713 if (hidden) { 11714 sendRemoved = true; 11715 } else { 11716 sendAdded = true; 11717 } 11718 } 11719 } 11720 if (sendAdded) { 11721 sendPackageAddedForUser(packageName, pkgSetting, userId); 11722 return true; 11723 } 11724 if (sendRemoved) { 11725 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11726 "hiding pkg"); 11727 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11728 return true; 11729 } 11730 } finally { 11731 Binder.restoreCallingIdentity(callingId); 11732 } 11733 return false; 11734 } 11735 11736 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11737 int userId) { 11738 final PackageRemovedInfo info = new PackageRemovedInfo(); 11739 info.removedPackage = packageName; 11740 info.removedUsers = new int[] {userId}; 11741 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11742 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11743 } 11744 11745 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11746 if (pkgList.length > 0) { 11747 Bundle extras = new Bundle(1); 11748 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11749 11750 sendPackageBroadcast( 11751 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11752 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11753 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11754 new int[] {userId}); 11755 } 11756 } 11757 11758 /** 11759 * Returns true if application is not found or there was an error. Otherwise it returns 11760 * the hidden state of the package for the given user. 11761 */ 11762 @Override 11763 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11764 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11765 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11766 true /* requireFullPermission */, false /* checkShell */, 11767 "getApplicationHidden for user " + userId); 11768 PackageSetting pkgSetting; 11769 long callingId = Binder.clearCallingIdentity(); 11770 try { 11771 // writer 11772 synchronized (mPackages) { 11773 pkgSetting = mSettings.mPackages.get(packageName); 11774 if (pkgSetting == null) { 11775 return true; 11776 } 11777 return pkgSetting.getHidden(userId); 11778 } 11779 } finally { 11780 Binder.restoreCallingIdentity(callingId); 11781 } 11782 } 11783 11784 /** 11785 * @hide 11786 */ 11787 @Override 11788 public int installExistingPackageAsUser(String packageName, int userId) { 11789 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11790 null); 11791 PackageSetting pkgSetting; 11792 final int uid = Binder.getCallingUid(); 11793 enforceCrossUserPermission(uid, userId, 11794 true /* requireFullPermission */, true /* checkShell */, 11795 "installExistingPackage for user " + userId); 11796 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11797 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11798 } 11799 11800 long callingId = Binder.clearCallingIdentity(); 11801 try { 11802 boolean installed = false; 11803 11804 // writer 11805 synchronized (mPackages) { 11806 pkgSetting = mSettings.mPackages.get(packageName); 11807 if (pkgSetting == null) { 11808 return PackageManager.INSTALL_FAILED_INVALID_URI; 11809 } 11810 if (!pkgSetting.getInstalled(userId)) { 11811 pkgSetting.setInstalled(true, userId); 11812 pkgSetting.setHidden(false, userId); 11813 mSettings.writePackageRestrictionsLPr(userId); 11814 installed = true; 11815 } 11816 } 11817 11818 if (installed) { 11819 if (pkgSetting.pkg != null) { 11820 synchronized (mInstallLock) { 11821 // We don't need to freeze for a brand new install 11822 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11823 } 11824 } 11825 sendPackageAddedForUser(packageName, pkgSetting, userId); 11826 } 11827 } finally { 11828 Binder.restoreCallingIdentity(callingId); 11829 } 11830 11831 return PackageManager.INSTALL_SUCCEEDED; 11832 } 11833 11834 boolean isUserRestricted(int userId, String restrictionKey) { 11835 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11836 if (restrictions.getBoolean(restrictionKey, false)) { 11837 Log.w(TAG, "User is restricted: " + restrictionKey); 11838 return true; 11839 } 11840 return false; 11841 } 11842 11843 @Override 11844 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11845 int userId) { 11846 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11847 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11848 true /* requireFullPermission */, true /* checkShell */, 11849 "setPackagesSuspended for user " + userId); 11850 11851 if (ArrayUtils.isEmpty(packageNames)) { 11852 return packageNames; 11853 } 11854 11855 // List of package names for whom the suspended state has changed. 11856 List<String> changedPackages = new ArrayList<>(packageNames.length); 11857 // List of package names for whom the suspended state is not set as requested in this 11858 // method. 11859 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11860 long callingId = Binder.clearCallingIdentity(); 11861 try { 11862 for (int i = 0; i < packageNames.length; i++) { 11863 String packageName = packageNames[i]; 11864 boolean changed = false; 11865 final int appId; 11866 synchronized (mPackages) { 11867 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11868 if (pkgSetting == null) { 11869 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11870 + "\". Skipping suspending/un-suspending."); 11871 unactionedPackages.add(packageName); 11872 continue; 11873 } 11874 appId = pkgSetting.appId; 11875 if (pkgSetting.getSuspended(userId) != suspended) { 11876 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11877 unactionedPackages.add(packageName); 11878 continue; 11879 } 11880 pkgSetting.setSuspended(suspended, userId); 11881 mSettings.writePackageRestrictionsLPr(userId); 11882 changed = true; 11883 changedPackages.add(packageName); 11884 } 11885 } 11886 11887 if (changed && suspended) { 11888 killApplication(packageName, UserHandle.getUid(userId, appId), 11889 "suspending package"); 11890 } 11891 } 11892 } finally { 11893 Binder.restoreCallingIdentity(callingId); 11894 } 11895 11896 if (!changedPackages.isEmpty()) { 11897 sendPackagesSuspendedForUser(changedPackages.toArray( 11898 new String[changedPackages.size()]), userId, suspended); 11899 } 11900 11901 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11902 } 11903 11904 @Override 11905 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11906 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11907 true /* requireFullPermission */, false /* checkShell */, 11908 "isPackageSuspendedForUser for user " + userId); 11909 synchronized (mPackages) { 11910 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11911 if (pkgSetting == null) { 11912 throw new IllegalArgumentException("Unknown target package: " + packageName); 11913 } 11914 return pkgSetting.getSuspended(userId); 11915 } 11916 } 11917 11918 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11919 if (isPackageDeviceAdmin(packageName, userId)) { 11920 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11921 + "\": has an active device admin"); 11922 return false; 11923 } 11924 11925 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11926 if (packageName.equals(activeLauncherPackageName)) { 11927 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11928 + "\": contains the active launcher"); 11929 return false; 11930 } 11931 11932 if (packageName.equals(mRequiredInstallerPackage)) { 11933 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11934 + "\": required for package installation"); 11935 return false; 11936 } 11937 11938 if (packageName.equals(mRequiredVerifierPackage)) { 11939 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11940 + "\": required for package verification"); 11941 return false; 11942 } 11943 11944 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11945 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11946 + "\": is the default dialer"); 11947 return false; 11948 } 11949 11950 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11951 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11952 + "\": protected package"); 11953 return false; 11954 } 11955 11956 return true; 11957 } 11958 11959 private String getActiveLauncherPackageName(int userId) { 11960 Intent intent = new Intent(Intent.ACTION_MAIN); 11961 intent.addCategory(Intent.CATEGORY_HOME); 11962 ResolveInfo resolveInfo = resolveIntent( 11963 intent, 11964 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11965 PackageManager.MATCH_DEFAULT_ONLY, 11966 userId); 11967 11968 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11969 } 11970 11971 private String getDefaultDialerPackageName(int userId) { 11972 synchronized (mPackages) { 11973 return mSettings.getDefaultDialerPackageNameLPw(userId); 11974 } 11975 } 11976 11977 @Override 11978 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11979 mContext.enforceCallingOrSelfPermission( 11980 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11981 "Only package verification agents can verify applications"); 11982 11983 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11984 final PackageVerificationResponse response = new PackageVerificationResponse( 11985 verificationCode, Binder.getCallingUid()); 11986 msg.arg1 = id; 11987 msg.obj = response; 11988 mHandler.sendMessage(msg); 11989 } 11990 11991 @Override 11992 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11993 long millisecondsToDelay) { 11994 mContext.enforceCallingOrSelfPermission( 11995 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11996 "Only package verification agents can extend verification timeouts"); 11997 11998 final PackageVerificationState state = mPendingVerification.get(id); 11999 final PackageVerificationResponse response = new PackageVerificationResponse( 12000 verificationCodeAtTimeout, Binder.getCallingUid()); 12001 12002 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12003 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12004 } 12005 if (millisecondsToDelay < 0) { 12006 millisecondsToDelay = 0; 12007 } 12008 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12009 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12010 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12011 } 12012 12013 if ((state != null) && !state.timeoutExtended()) { 12014 state.extendTimeout(); 12015 12016 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12017 msg.arg1 = id; 12018 msg.obj = response; 12019 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12020 } 12021 } 12022 12023 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12024 int verificationCode, UserHandle user) { 12025 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12026 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12027 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12028 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12029 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12030 12031 mContext.sendBroadcastAsUser(intent, user, 12032 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12033 } 12034 12035 private ComponentName matchComponentForVerifier(String packageName, 12036 List<ResolveInfo> receivers) { 12037 ActivityInfo targetReceiver = null; 12038 12039 final int NR = receivers.size(); 12040 for (int i = 0; i < NR; i++) { 12041 final ResolveInfo info = receivers.get(i); 12042 if (info.activityInfo == null) { 12043 continue; 12044 } 12045 12046 if (packageName.equals(info.activityInfo.packageName)) { 12047 targetReceiver = info.activityInfo; 12048 break; 12049 } 12050 } 12051 12052 if (targetReceiver == null) { 12053 return null; 12054 } 12055 12056 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12057 } 12058 12059 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12060 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12061 if (pkgInfo.verifiers.length == 0) { 12062 return null; 12063 } 12064 12065 final int N = pkgInfo.verifiers.length; 12066 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12067 for (int i = 0; i < N; i++) { 12068 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12069 12070 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12071 receivers); 12072 if (comp == null) { 12073 continue; 12074 } 12075 12076 final int verifierUid = getUidForVerifier(verifierInfo); 12077 if (verifierUid == -1) { 12078 continue; 12079 } 12080 12081 if (DEBUG_VERIFY) { 12082 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12083 + " with the correct signature"); 12084 } 12085 sufficientVerifiers.add(comp); 12086 verificationState.addSufficientVerifier(verifierUid); 12087 } 12088 12089 return sufficientVerifiers; 12090 } 12091 12092 private int getUidForVerifier(VerifierInfo verifierInfo) { 12093 synchronized (mPackages) { 12094 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12095 if (pkg == null) { 12096 return -1; 12097 } else if (pkg.mSignatures.length != 1) { 12098 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12099 + " has more than one signature; ignoring"); 12100 return -1; 12101 } 12102 12103 /* 12104 * If the public key of the package's signature does not match 12105 * our expected public key, then this is a different package and 12106 * we should skip. 12107 */ 12108 12109 final byte[] expectedPublicKey; 12110 try { 12111 final Signature verifierSig = pkg.mSignatures[0]; 12112 final PublicKey publicKey = verifierSig.getPublicKey(); 12113 expectedPublicKey = publicKey.getEncoded(); 12114 } catch (CertificateException e) { 12115 return -1; 12116 } 12117 12118 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12119 12120 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12121 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12122 + " does not have the expected public key; ignoring"); 12123 return -1; 12124 } 12125 12126 return pkg.applicationInfo.uid; 12127 } 12128 } 12129 12130 @Override 12131 public void finishPackageInstall(int token, boolean didLaunch) { 12132 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12133 12134 if (DEBUG_INSTALL) { 12135 Slog.v(TAG, "BM finishing package install for " + token); 12136 } 12137 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12138 12139 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12140 mHandler.sendMessage(msg); 12141 } 12142 12143 /** 12144 * Get the verification agent timeout. 12145 * 12146 * @return verification timeout in milliseconds 12147 */ 12148 private long getVerificationTimeout() { 12149 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12150 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12151 DEFAULT_VERIFICATION_TIMEOUT); 12152 } 12153 12154 /** 12155 * Get the default verification agent response code. 12156 * 12157 * @return default verification response code 12158 */ 12159 private int getDefaultVerificationResponse() { 12160 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12161 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12162 DEFAULT_VERIFICATION_RESPONSE); 12163 } 12164 12165 /** 12166 * Check whether or not package verification has been enabled. 12167 * 12168 * @return true if verification should be performed 12169 */ 12170 private boolean isVerificationEnabled(int userId, int installFlags) { 12171 if (!DEFAULT_VERIFY_ENABLE) { 12172 return false; 12173 } 12174 // Ephemeral apps don't get the full verification treatment 12175 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12176 if (DEBUG_EPHEMERAL) { 12177 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12178 } 12179 return false; 12180 } 12181 12182 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12183 12184 // Check if installing from ADB 12185 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12186 // Do not run verification in a test harness environment 12187 if (ActivityManager.isRunningInTestHarness()) { 12188 return false; 12189 } 12190 if (ensureVerifyAppsEnabled) { 12191 return true; 12192 } 12193 // Check if the developer does not want package verification for ADB installs 12194 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12195 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12196 return false; 12197 } 12198 } 12199 12200 if (ensureVerifyAppsEnabled) { 12201 return true; 12202 } 12203 12204 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12205 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12206 } 12207 12208 @Override 12209 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12210 throws RemoteException { 12211 mContext.enforceCallingOrSelfPermission( 12212 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12213 "Only intentfilter verification agents can verify applications"); 12214 12215 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12216 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12217 Binder.getCallingUid(), verificationCode, failedDomains); 12218 msg.arg1 = id; 12219 msg.obj = response; 12220 mHandler.sendMessage(msg); 12221 } 12222 12223 @Override 12224 public int getIntentVerificationStatus(String packageName, int userId) { 12225 synchronized (mPackages) { 12226 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12227 } 12228 } 12229 12230 @Override 12231 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12232 mContext.enforceCallingOrSelfPermission( 12233 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12234 12235 boolean result = false; 12236 synchronized (mPackages) { 12237 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12238 } 12239 if (result) { 12240 scheduleWritePackageRestrictionsLocked(userId); 12241 } 12242 return result; 12243 } 12244 12245 @Override 12246 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12247 String packageName) { 12248 synchronized (mPackages) { 12249 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12250 } 12251 } 12252 12253 @Override 12254 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12255 if (TextUtils.isEmpty(packageName)) { 12256 return ParceledListSlice.emptyList(); 12257 } 12258 synchronized (mPackages) { 12259 PackageParser.Package pkg = mPackages.get(packageName); 12260 if (pkg == null || pkg.activities == null) { 12261 return ParceledListSlice.emptyList(); 12262 } 12263 final int count = pkg.activities.size(); 12264 ArrayList<IntentFilter> result = new ArrayList<>(); 12265 for (int n=0; n<count; n++) { 12266 PackageParser.Activity activity = pkg.activities.get(n); 12267 if (activity.intents != null && activity.intents.size() > 0) { 12268 result.addAll(activity.intents); 12269 } 12270 } 12271 return new ParceledListSlice<>(result); 12272 } 12273 } 12274 12275 @Override 12276 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12277 mContext.enforceCallingOrSelfPermission( 12278 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12279 12280 synchronized (mPackages) { 12281 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12282 if (packageName != null) { 12283 result |= updateIntentVerificationStatus(packageName, 12284 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12285 userId); 12286 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12287 packageName, userId); 12288 } 12289 return result; 12290 } 12291 } 12292 12293 @Override 12294 public String getDefaultBrowserPackageName(int userId) { 12295 synchronized (mPackages) { 12296 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12297 } 12298 } 12299 12300 /** 12301 * Get the "allow unknown sources" setting. 12302 * 12303 * @return the current "allow unknown sources" setting 12304 */ 12305 private int getUnknownSourcesSettings() { 12306 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12307 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12308 -1); 12309 } 12310 12311 @Override 12312 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12313 final int uid = Binder.getCallingUid(); 12314 // writer 12315 synchronized (mPackages) { 12316 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12317 if (targetPackageSetting == null) { 12318 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12319 } 12320 12321 PackageSetting installerPackageSetting; 12322 if (installerPackageName != null) { 12323 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12324 if (installerPackageSetting == null) { 12325 throw new IllegalArgumentException("Unknown installer package: " 12326 + installerPackageName); 12327 } 12328 } else { 12329 installerPackageSetting = null; 12330 } 12331 12332 Signature[] callerSignature; 12333 Object obj = mSettings.getUserIdLPr(uid); 12334 if (obj != null) { 12335 if (obj instanceof SharedUserSetting) { 12336 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12337 } else if (obj instanceof PackageSetting) { 12338 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12339 } else { 12340 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12341 } 12342 } else { 12343 throw new SecurityException("Unknown calling UID: " + uid); 12344 } 12345 12346 // Verify: can't set installerPackageName to a package that is 12347 // not signed with the same cert as the caller. 12348 if (installerPackageSetting != null) { 12349 if (compareSignatures(callerSignature, 12350 installerPackageSetting.signatures.mSignatures) 12351 != PackageManager.SIGNATURE_MATCH) { 12352 throw new SecurityException( 12353 "Caller does not have same cert as new installer package " 12354 + installerPackageName); 12355 } 12356 } 12357 12358 // Verify: if target already has an installer package, it must 12359 // be signed with the same cert as the caller. 12360 if (targetPackageSetting.installerPackageName != null) { 12361 PackageSetting setting = mSettings.mPackages.get( 12362 targetPackageSetting.installerPackageName); 12363 // If the currently set package isn't valid, then it's always 12364 // okay to change it. 12365 if (setting != null) { 12366 if (compareSignatures(callerSignature, 12367 setting.signatures.mSignatures) 12368 != PackageManager.SIGNATURE_MATCH) { 12369 throw new SecurityException( 12370 "Caller does not have same cert as old installer package " 12371 + targetPackageSetting.installerPackageName); 12372 } 12373 } 12374 } 12375 12376 // Okay! 12377 targetPackageSetting.installerPackageName = installerPackageName; 12378 if (installerPackageName != null) { 12379 mSettings.mInstallerPackages.add(installerPackageName); 12380 } 12381 scheduleWriteSettingsLocked(); 12382 } 12383 } 12384 12385 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12386 // Queue up an async operation since the package installation may take a little while. 12387 mHandler.post(new Runnable() { 12388 public void run() { 12389 mHandler.removeCallbacks(this); 12390 // Result object to be returned 12391 PackageInstalledInfo res = new PackageInstalledInfo(); 12392 res.setReturnCode(currentStatus); 12393 res.uid = -1; 12394 res.pkg = null; 12395 res.removedInfo = null; 12396 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12397 args.doPreInstall(res.returnCode); 12398 synchronized (mInstallLock) { 12399 installPackageTracedLI(args, res); 12400 } 12401 args.doPostInstall(res.returnCode, res.uid); 12402 } 12403 12404 // A restore should be performed at this point if (a) the install 12405 // succeeded, (b) the operation is not an update, and (c) the new 12406 // package has not opted out of backup participation. 12407 final boolean update = res.removedInfo != null 12408 && res.removedInfo.removedPackage != null; 12409 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12410 boolean doRestore = !update 12411 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12412 12413 // Set up the post-install work request bookkeeping. This will be used 12414 // and cleaned up by the post-install event handling regardless of whether 12415 // there's a restore pass performed. Token values are >= 1. 12416 int token; 12417 if (mNextInstallToken < 0) mNextInstallToken = 1; 12418 token = mNextInstallToken++; 12419 12420 PostInstallData data = new PostInstallData(args, res); 12421 mRunningInstalls.put(token, data); 12422 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12423 12424 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12425 // Pass responsibility to the Backup Manager. It will perform a 12426 // restore if appropriate, then pass responsibility back to the 12427 // Package Manager to run the post-install observer callbacks 12428 // and broadcasts. 12429 IBackupManager bm = IBackupManager.Stub.asInterface( 12430 ServiceManager.getService(Context.BACKUP_SERVICE)); 12431 if (bm != null) { 12432 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12433 + " to BM for possible restore"); 12434 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12435 try { 12436 // TODO: http://b/22388012 12437 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12438 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12439 } else { 12440 doRestore = false; 12441 } 12442 } catch (RemoteException e) { 12443 // can't happen; the backup manager is local 12444 } catch (Exception e) { 12445 Slog.e(TAG, "Exception trying to enqueue restore", e); 12446 doRestore = false; 12447 } 12448 } else { 12449 Slog.e(TAG, "Backup Manager not found!"); 12450 doRestore = false; 12451 } 12452 } 12453 12454 if (!doRestore) { 12455 // No restore possible, or the Backup Manager was mysteriously not 12456 // available -- just fire the post-install work request directly. 12457 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12458 12459 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12460 12461 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12462 mHandler.sendMessage(msg); 12463 } 12464 } 12465 }); 12466 } 12467 12468 /** 12469 * Callback from PackageSettings whenever an app is first transitioned out of the 12470 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12471 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12472 * here whether the app is the target of an ongoing install, and only send the 12473 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12474 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12475 * handling. 12476 */ 12477 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12478 // Serialize this with the rest of the install-process message chain. In the 12479 // restore-at-install case, this Runnable will necessarily run before the 12480 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12481 // are coherent. In the non-restore case, the app has already completed install 12482 // and been launched through some other means, so it is not in a problematic 12483 // state for observers to see the FIRST_LAUNCH signal. 12484 mHandler.post(new Runnable() { 12485 @Override 12486 public void run() { 12487 for (int i = 0; i < mRunningInstalls.size(); i++) { 12488 final PostInstallData data = mRunningInstalls.valueAt(i); 12489 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12490 // right package; but is it for the right user? 12491 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12492 if (userId == data.res.newUsers[uIndex]) { 12493 if (DEBUG_BACKUP) { 12494 Slog.i(TAG, "Package " + pkgName 12495 + " being restored so deferring FIRST_LAUNCH"); 12496 } 12497 return; 12498 } 12499 } 12500 } 12501 } 12502 // didn't find it, so not being restored 12503 if (DEBUG_BACKUP) { 12504 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12505 } 12506 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12507 } 12508 }); 12509 } 12510 12511 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12512 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12513 installerPkg, null, userIds); 12514 } 12515 12516 private abstract class HandlerParams { 12517 private static final int MAX_RETRIES = 4; 12518 12519 /** 12520 * Number of times startCopy() has been attempted and had a non-fatal 12521 * error. 12522 */ 12523 private int mRetries = 0; 12524 12525 /** User handle for the user requesting the information or installation. */ 12526 private final UserHandle mUser; 12527 String traceMethod; 12528 int traceCookie; 12529 12530 HandlerParams(UserHandle user) { 12531 mUser = user; 12532 } 12533 12534 UserHandle getUser() { 12535 return mUser; 12536 } 12537 12538 HandlerParams setTraceMethod(String traceMethod) { 12539 this.traceMethod = traceMethod; 12540 return this; 12541 } 12542 12543 HandlerParams setTraceCookie(int traceCookie) { 12544 this.traceCookie = traceCookie; 12545 return this; 12546 } 12547 12548 final boolean startCopy() { 12549 boolean res; 12550 try { 12551 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12552 12553 if (++mRetries > MAX_RETRIES) { 12554 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12555 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12556 handleServiceError(); 12557 return false; 12558 } else { 12559 handleStartCopy(); 12560 res = true; 12561 } 12562 } catch (RemoteException e) { 12563 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12564 mHandler.sendEmptyMessage(MCS_RECONNECT); 12565 res = false; 12566 } 12567 handleReturnCode(); 12568 return res; 12569 } 12570 12571 final void serviceError() { 12572 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12573 handleServiceError(); 12574 handleReturnCode(); 12575 } 12576 12577 abstract void handleStartCopy() throws RemoteException; 12578 abstract void handleServiceError(); 12579 abstract void handleReturnCode(); 12580 } 12581 12582 class MeasureParams extends HandlerParams { 12583 private final PackageStats mStats; 12584 private boolean mSuccess; 12585 12586 private final IPackageStatsObserver mObserver; 12587 12588 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12589 super(new UserHandle(stats.userHandle)); 12590 mObserver = observer; 12591 mStats = stats; 12592 } 12593 12594 @Override 12595 public String toString() { 12596 return "MeasureParams{" 12597 + Integer.toHexString(System.identityHashCode(this)) 12598 + " " + mStats.packageName + "}"; 12599 } 12600 12601 @Override 12602 void handleStartCopy() throws RemoteException { 12603 synchronized (mInstallLock) { 12604 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12605 } 12606 12607 if (mSuccess) { 12608 boolean mounted = false; 12609 try { 12610 final String status = Environment.getExternalStorageState(); 12611 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12612 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12613 } catch (Exception e) { 12614 } 12615 12616 if (mounted) { 12617 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12618 12619 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12620 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12621 12622 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12623 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12624 12625 // Always subtract cache size, since it's a subdirectory 12626 mStats.externalDataSize -= mStats.externalCacheSize; 12627 12628 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12629 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12630 12631 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12632 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12633 } 12634 } 12635 } 12636 12637 @Override 12638 void handleReturnCode() { 12639 if (mObserver != null) { 12640 try { 12641 mObserver.onGetStatsCompleted(mStats, mSuccess); 12642 } catch (RemoteException e) { 12643 Slog.i(TAG, "Observer no longer exists."); 12644 } 12645 } 12646 } 12647 12648 @Override 12649 void handleServiceError() { 12650 Slog.e(TAG, "Could not measure application " + mStats.packageName 12651 + " external storage"); 12652 } 12653 } 12654 12655 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12656 throws RemoteException { 12657 long result = 0; 12658 for (File path : paths) { 12659 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12660 } 12661 return result; 12662 } 12663 12664 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12665 for (File path : paths) { 12666 try { 12667 mcs.clearDirectory(path.getAbsolutePath()); 12668 } catch (RemoteException e) { 12669 } 12670 } 12671 } 12672 12673 static class OriginInfo { 12674 /** 12675 * Location where install is coming from, before it has been 12676 * copied/renamed into place. This could be a single monolithic APK 12677 * file, or a cluster directory. This location may be untrusted. 12678 */ 12679 final File file; 12680 final String cid; 12681 12682 /** 12683 * Flag indicating that {@link #file} or {@link #cid} has already been 12684 * staged, meaning downstream users don't need to defensively copy the 12685 * contents. 12686 */ 12687 final boolean staged; 12688 12689 /** 12690 * Flag indicating that {@link #file} or {@link #cid} is an already 12691 * installed app that is being moved. 12692 */ 12693 final boolean existing; 12694 12695 final String resolvedPath; 12696 final File resolvedFile; 12697 12698 static OriginInfo fromNothing() { 12699 return new OriginInfo(null, null, false, false); 12700 } 12701 12702 static OriginInfo fromUntrustedFile(File file) { 12703 return new OriginInfo(file, null, false, false); 12704 } 12705 12706 static OriginInfo fromExistingFile(File file) { 12707 return new OriginInfo(file, null, false, true); 12708 } 12709 12710 static OriginInfo fromStagedFile(File file) { 12711 return new OriginInfo(file, null, true, false); 12712 } 12713 12714 static OriginInfo fromStagedContainer(String cid) { 12715 return new OriginInfo(null, cid, true, false); 12716 } 12717 12718 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12719 this.file = file; 12720 this.cid = cid; 12721 this.staged = staged; 12722 this.existing = existing; 12723 12724 if (cid != null) { 12725 resolvedPath = PackageHelper.getSdDir(cid); 12726 resolvedFile = new File(resolvedPath); 12727 } else if (file != null) { 12728 resolvedPath = file.getAbsolutePath(); 12729 resolvedFile = file; 12730 } else { 12731 resolvedPath = null; 12732 resolvedFile = null; 12733 } 12734 } 12735 } 12736 12737 static class MoveInfo { 12738 final int moveId; 12739 final String fromUuid; 12740 final String toUuid; 12741 final String packageName; 12742 final String dataAppName; 12743 final int appId; 12744 final String seinfo; 12745 final int targetSdkVersion; 12746 12747 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12748 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12749 this.moveId = moveId; 12750 this.fromUuid = fromUuid; 12751 this.toUuid = toUuid; 12752 this.packageName = packageName; 12753 this.dataAppName = dataAppName; 12754 this.appId = appId; 12755 this.seinfo = seinfo; 12756 this.targetSdkVersion = targetSdkVersion; 12757 } 12758 } 12759 12760 static class VerificationInfo { 12761 /** A constant used to indicate that a uid value is not present. */ 12762 public static final int NO_UID = -1; 12763 12764 /** URI referencing where the package was downloaded from. */ 12765 final Uri originatingUri; 12766 12767 /** HTTP referrer URI associated with the originatingURI. */ 12768 final Uri referrer; 12769 12770 /** UID of the application that the install request originated from. */ 12771 final int originatingUid; 12772 12773 /** UID of application requesting the install */ 12774 final int installerUid; 12775 12776 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12777 this.originatingUri = originatingUri; 12778 this.referrer = referrer; 12779 this.originatingUid = originatingUid; 12780 this.installerUid = installerUid; 12781 } 12782 } 12783 12784 class InstallParams extends HandlerParams { 12785 final OriginInfo origin; 12786 final MoveInfo move; 12787 final IPackageInstallObserver2 observer; 12788 int installFlags; 12789 final String installerPackageName; 12790 final String volumeUuid; 12791 private InstallArgs mArgs; 12792 private int mRet; 12793 final String packageAbiOverride; 12794 final String[] grantedRuntimePermissions; 12795 final VerificationInfo verificationInfo; 12796 final Certificate[][] certificates; 12797 12798 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12799 int installFlags, String installerPackageName, String volumeUuid, 12800 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12801 String[] grantedPermissions, Certificate[][] certificates) { 12802 super(user); 12803 this.origin = origin; 12804 this.move = move; 12805 this.observer = observer; 12806 this.installFlags = installFlags; 12807 this.installerPackageName = installerPackageName; 12808 this.volumeUuid = volumeUuid; 12809 this.verificationInfo = verificationInfo; 12810 this.packageAbiOverride = packageAbiOverride; 12811 this.grantedRuntimePermissions = grantedPermissions; 12812 this.certificates = certificates; 12813 } 12814 12815 @Override 12816 public String toString() { 12817 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12818 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12819 } 12820 12821 private int installLocationPolicy(PackageInfoLite pkgLite) { 12822 String packageName = pkgLite.packageName; 12823 int installLocation = pkgLite.installLocation; 12824 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12825 // reader 12826 synchronized (mPackages) { 12827 // Currently installed package which the new package is attempting to replace or 12828 // null if no such package is installed. 12829 PackageParser.Package installedPkg = mPackages.get(packageName); 12830 // Package which currently owns the data which the new package will own if installed. 12831 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12832 // will be null whereas dataOwnerPkg will contain information about the package 12833 // which was uninstalled while keeping its data. 12834 PackageParser.Package dataOwnerPkg = installedPkg; 12835 if (dataOwnerPkg == null) { 12836 PackageSetting ps = mSettings.mPackages.get(packageName); 12837 if (ps != null) { 12838 dataOwnerPkg = ps.pkg; 12839 } 12840 } 12841 12842 if (dataOwnerPkg != null) { 12843 // If installed, the package will get access to data left on the device by its 12844 // predecessor. As a security measure, this is permited only if this is not a 12845 // version downgrade or if the predecessor package is marked as debuggable and 12846 // a downgrade is explicitly requested. 12847 // 12848 // On debuggable platform builds, downgrades are permitted even for 12849 // non-debuggable packages to make testing easier. Debuggable platform builds do 12850 // not offer security guarantees and thus it's OK to disable some security 12851 // mechanisms to make debugging/testing easier on those builds. However, even on 12852 // debuggable builds downgrades of packages are permitted only if requested via 12853 // installFlags. This is because we aim to keep the behavior of debuggable 12854 // platform builds as close as possible to the behavior of non-debuggable 12855 // platform builds. 12856 final boolean downgradeRequested = 12857 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12858 final boolean packageDebuggable = 12859 (dataOwnerPkg.applicationInfo.flags 12860 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12861 final boolean downgradePermitted = 12862 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12863 if (!downgradePermitted) { 12864 try { 12865 checkDowngrade(dataOwnerPkg, pkgLite); 12866 } catch (PackageManagerException e) { 12867 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12868 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12869 } 12870 } 12871 } 12872 12873 if (installedPkg != null) { 12874 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12875 // Check for updated system application. 12876 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12877 if (onSd) { 12878 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12879 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12880 } 12881 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12882 } else { 12883 if (onSd) { 12884 // Install flag overrides everything. 12885 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12886 } 12887 // If current upgrade specifies particular preference 12888 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12889 // Application explicitly specified internal. 12890 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12891 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12892 // App explictly prefers external. Let policy decide 12893 } else { 12894 // Prefer previous location 12895 if (isExternal(installedPkg)) { 12896 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12897 } 12898 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12899 } 12900 } 12901 } else { 12902 // Invalid install. Return error code 12903 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12904 } 12905 } 12906 } 12907 // All the special cases have been taken care of. 12908 // Return result based on recommended install location. 12909 if (onSd) { 12910 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12911 } 12912 return pkgLite.recommendedInstallLocation; 12913 } 12914 12915 /* 12916 * Invoke remote method to get package information and install 12917 * location values. Override install location based on default 12918 * policy if needed and then create install arguments based 12919 * on the install location. 12920 */ 12921 public void handleStartCopy() throws RemoteException { 12922 int ret = PackageManager.INSTALL_SUCCEEDED; 12923 12924 // If we're already staged, we've firmly committed to an install location 12925 if (origin.staged) { 12926 if (origin.file != null) { 12927 installFlags |= PackageManager.INSTALL_INTERNAL; 12928 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12929 } else if (origin.cid != null) { 12930 installFlags |= PackageManager.INSTALL_EXTERNAL; 12931 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12932 } else { 12933 throw new IllegalStateException("Invalid stage location"); 12934 } 12935 } 12936 12937 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12938 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12939 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12940 PackageInfoLite pkgLite = null; 12941 12942 if (onInt && onSd) { 12943 // Check if both bits are set. 12944 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12945 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12946 } else if (onSd && ephemeral) { 12947 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12948 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12949 } else { 12950 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12951 packageAbiOverride); 12952 12953 if (DEBUG_EPHEMERAL && ephemeral) { 12954 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12955 } 12956 12957 /* 12958 * If we have too little free space, try to free cache 12959 * before giving up. 12960 */ 12961 if (!origin.staged && pkgLite.recommendedInstallLocation 12962 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12963 // TODO: focus freeing disk space on the target device 12964 final StorageManager storage = StorageManager.from(mContext); 12965 final long lowThreshold = storage.getStorageLowBytes( 12966 Environment.getDataDirectory()); 12967 12968 final long sizeBytes = mContainerService.calculateInstalledSize( 12969 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12970 12971 try { 12972 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12973 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12974 installFlags, packageAbiOverride); 12975 } catch (InstallerException e) { 12976 Slog.w(TAG, "Failed to free cache", e); 12977 } 12978 12979 /* 12980 * The cache free must have deleted the file we 12981 * downloaded to install. 12982 * 12983 * TODO: fix the "freeCache" call to not delete 12984 * the file we care about. 12985 */ 12986 if (pkgLite.recommendedInstallLocation 12987 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12988 pkgLite.recommendedInstallLocation 12989 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12990 } 12991 } 12992 } 12993 12994 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12995 int loc = pkgLite.recommendedInstallLocation; 12996 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12997 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12998 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12999 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13000 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13001 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13002 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13003 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13004 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13005 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13006 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13007 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13008 } else { 13009 // Override with defaults if needed. 13010 loc = installLocationPolicy(pkgLite); 13011 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13012 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13013 } else if (!onSd && !onInt) { 13014 // Override install location with flags 13015 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13016 // Set the flag to install on external media. 13017 installFlags |= PackageManager.INSTALL_EXTERNAL; 13018 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13019 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13020 if (DEBUG_EPHEMERAL) { 13021 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13022 } 13023 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13024 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13025 |PackageManager.INSTALL_INTERNAL); 13026 } else { 13027 // Make sure the flag for installing on external 13028 // media is unset 13029 installFlags |= PackageManager.INSTALL_INTERNAL; 13030 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13031 } 13032 } 13033 } 13034 } 13035 13036 final InstallArgs args = createInstallArgs(this); 13037 mArgs = args; 13038 13039 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13040 // TODO: http://b/22976637 13041 // Apps installed for "all" users use the device owner to verify the app 13042 UserHandle verifierUser = getUser(); 13043 if (verifierUser == UserHandle.ALL) { 13044 verifierUser = UserHandle.SYSTEM; 13045 } 13046 13047 /* 13048 * Determine if we have any installed package verifiers. If we 13049 * do, then we'll defer to them to verify the packages. 13050 */ 13051 final int requiredUid = mRequiredVerifierPackage == null ? -1 13052 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13053 verifierUser.getIdentifier()); 13054 if (!origin.existing && requiredUid != -1 13055 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13056 final Intent verification = new Intent( 13057 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13058 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13059 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13060 PACKAGE_MIME_TYPE); 13061 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13062 13063 // Query all live verifiers based on current user state 13064 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13065 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13066 13067 if (DEBUG_VERIFY) { 13068 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13069 + verification.toString() + " with " + pkgLite.verifiers.length 13070 + " optional verifiers"); 13071 } 13072 13073 final int verificationId = mPendingVerificationToken++; 13074 13075 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13076 13077 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13078 installerPackageName); 13079 13080 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13081 installFlags); 13082 13083 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13084 pkgLite.packageName); 13085 13086 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13087 pkgLite.versionCode); 13088 13089 if (verificationInfo != null) { 13090 if (verificationInfo.originatingUri != null) { 13091 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13092 verificationInfo.originatingUri); 13093 } 13094 if (verificationInfo.referrer != null) { 13095 verification.putExtra(Intent.EXTRA_REFERRER, 13096 verificationInfo.referrer); 13097 } 13098 if (verificationInfo.originatingUid >= 0) { 13099 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13100 verificationInfo.originatingUid); 13101 } 13102 if (verificationInfo.installerUid >= 0) { 13103 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13104 verificationInfo.installerUid); 13105 } 13106 } 13107 13108 final PackageVerificationState verificationState = new PackageVerificationState( 13109 requiredUid, args); 13110 13111 mPendingVerification.append(verificationId, verificationState); 13112 13113 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13114 receivers, verificationState); 13115 13116 /* 13117 * If any sufficient verifiers were listed in the package 13118 * manifest, attempt to ask them. 13119 */ 13120 if (sufficientVerifiers != null) { 13121 final int N = sufficientVerifiers.size(); 13122 if (N == 0) { 13123 Slog.i(TAG, "Additional verifiers required, but none installed."); 13124 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13125 } else { 13126 for (int i = 0; i < N; i++) { 13127 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13128 13129 final Intent sufficientIntent = new Intent(verification); 13130 sufficientIntent.setComponent(verifierComponent); 13131 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13132 } 13133 } 13134 } 13135 13136 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13137 mRequiredVerifierPackage, receivers); 13138 if (ret == PackageManager.INSTALL_SUCCEEDED 13139 && mRequiredVerifierPackage != null) { 13140 Trace.asyncTraceBegin( 13141 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13142 /* 13143 * Send the intent to the required verification agent, 13144 * but only start the verification timeout after the 13145 * target BroadcastReceivers have run. 13146 */ 13147 verification.setComponent(requiredVerifierComponent); 13148 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13149 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13150 new BroadcastReceiver() { 13151 @Override 13152 public void onReceive(Context context, Intent intent) { 13153 final Message msg = mHandler 13154 .obtainMessage(CHECK_PENDING_VERIFICATION); 13155 msg.arg1 = verificationId; 13156 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13157 } 13158 }, null, 0, null, null); 13159 13160 /* 13161 * We don't want the copy to proceed until verification 13162 * succeeds, so null out this field. 13163 */ 13164 mArgs = null; 13165 } 13166 } else { 13167 /* 13168 * No package verification is enabled, so immediately start 13169 * the remote call to initiate copy using temporary file. 13170 */ 13171 ret = args.copyApk(mContainerService, true); 13172 } 13173 } 13174 13175 mRet = ret; 13176 } 13177 13178 @Override 13179 void handleReturnCode() { 13180 // If mArgs is null, then MCS couldn't be reached. When it 13181 // reconnects, it will try again to install. At that point, this 13182 // will succeed. 13183 if (mArgs != null) { 13184 processPendingInstall(mArgs, mRet); 13185 } 13186 } 13187 13188 @Override 13189 void handleServiceError() { 13190 mArgs = createInstallArgs(this); 13191 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13192 } 13193 13194 public boolean isForwardLocked() { 13195 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13196 } 13197 } 13198 13199 /** 13200 * Used during creation of InstallArgs 13201 * 13202 * @param installFlags package installation flags 13203 * @return true if should be installed on external storage 13204 */ 13205 private static boolean installOnExternalAsec(int installFlags) { 13206 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13207 return false; 13208 } 13209 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13210 return true; 13211 } 13212 return false; 13213 } 13214 13215 /** 13216 * Used during creation of InstallArgs 13217 * 13218 * @param installFlags package installation flags 13219 * @return true if should be installed as forward locked 13220 */ 13221 private static boolean installForwardLocked(int installFlags) { 13222 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13223 } 13224 13225 private InstallArgs createInstallArgs(InstallParams params) { 13226 if (params.move != null) { 13227 return new MoveInstallArgs(params); 13228 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13229 return new AsecInstallArgs(params); 13230 } else { 13231 return new FileInstallArgs(params); 13232 } 13233 } 13234 13235 /** 13236 * Create args that describe an existing installed package. Typically used 13237 * when cleaning up old installs, or used as a move source. 13238 */ 13239 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13240 String resourcePath, String[] instructionSets) { 13241 final boolean isInAsec; 13242 if (installOnExternalAsec(installFlags)) { 13243 /* Apps on SD card are always in ASEC containers. */ 13244 isInAsec = true; 13245 } else if (installForwardLocked(installFlags) 13246 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13247 /* 13248 * Forward-locked apps are only in ASEC containers if they're the 13249 * new style 13250 */ 13251 isInAsec = true; 13252 } else { 13253 isInAsec = false; 13254 } 13255 13256 if (isInAsec) { 13257 return new AsecInstallArgs(codePath, instructionSets, 13258 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13259 } else { 13260 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13261 } 13262 } 13263 13264 static abstract class InstallArgs { 13265 /** @see InstallParams#origin */ 13266 final OriginInfo origin; 13267 /** @see InstallParams#move */ 13268 final MoveInfo move; 13269 13270 final IPackageInstallObserver2 observer; 13271 // Always refers to PackageManager flags only 13272 final int installFlags; 13273 final String installerPackageName; 13274 final String volumeUuid; 13275 final UserHandle user; 13276 final String abiOverride; 13277 final String[] installGrantPermissions; 13278 /** If non-null, drop an async trace when the install completes */ 13279 final String traceMethod; 13280 final int traceCookie; 13281 final Certificate[][] certificates; 13282 13283 // The list of instruction sets supported by this app. This is currently 13284 // only used during the rmdex() phase to clean up resources. We can get rid of this 13285 // if we move dex files under the common app path. 13286 /* nullable */ String[] instructionSets; 13287 13288 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13289 int installFlags, String installerPackageName, String volumeUuid, 13290 UserHandle user, String[] instructionSets, 13291 String abiOverride, String[] installGrantPermissions, 13292 String traceMethod, int traceCookie, Certificate[][] certificates) { 13293 this.origin = origin; 13294 this.move = move; 13295 this.installFlags = installFlags; 13296 this.observer = observer; 13297 this.installerPackageName = installerPackageName; 13298 this.volumeUuid = volumeUuid; 13299 this.user = user; 13300 this.instructionSets = instructionSets; 13301 this.abiOverride = abiOverride; 13302 this.installGrantPermissions = installGrantPermissions; 13303 this.traceMethod = traceMethod; 13304 this.traceCookie = traceCookie; 13305 this.certificates = certificates; 13306 } 13307 13308 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13309 abstract int doPreInstall(int status); 13310 13311 /** 13312 * Rename package into final resting place. All paths on the given 13313 * scanned package should be updated to reflect the rename. 13314 */ 13315 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13316 abstract int doPostInstall(int status, int uid); 13317 13318 /** @see PackageSettingBase#codePathString */ 13319 abstract String getCodePath(); 13320 /** @see PackageSettingBase#resourcePathString */ 13321 abstract String getResourcePath(); 13322 13323 // Need installer lock especially for dex file removal. 13324 abstract void cleanUpResourcesLI(); 13325 abstract boolean doPostDeleteLI(boolean delete); 13326 13327 /** 13328 * Called before the source arguments are copied. This is used mostly 13329 * for MoveParams when it needs to read the source file to put it in the 13330 * destination. 13331 */ 13332 int doPreCopy() { 13333 return PackageManager.INSTALL_SUCCEEDED; 13334 } 13335 13336 /** 13337 * Called after the source arguments are copied. This is used mostly for 13338 * MoveParams when it needs to read the source file to put it in the 13339 * destination. 13340 */ 13341 int doPostCopy(int uid) { 13342 return PackageManager.INSTALL_SUCCEEDED; 13343 } 13344 13345 protected boolean isFwdLocked() { 13346 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13347 } 13348 13349 protected boolean isExternalAsec() { 13350 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13351 } 13352 13353 protected boolean isEphemeral() { 13354 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13355 } 13356 13357 UserHandle getUser() { 13358 return user; 13359 } 13360 } 13361 13362 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13363 if (!allCodePaths.isEmpty()) { 13364 if (instructionSets == null) { 13365 throw new IllegalStateException("instructionSet == null"); 13366 } 13367 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13368 for (String codePath : allCodePaths) { 13369 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13370 try { 13371 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13372 } catch (InstallerException ignored) { 13373 } 13374 } 13375 } 13376 } 13377 } 13378 13379 /** 13380 * Logic to handle installation of non-ASEC applications, including copying 13381 * and renaming logic. 13382 */ 13383 class FileInstallArgs extends InstallArgs { 13384 private File codeFile; 13385 private File resourceFile; 13386 13387 // Example topology: 13388 // /data/app/com.example/base.apk 13389 // /data/app/com.example/split_foo.apk 13390 // /data/app/com.example/lib/arm/libfoo.so 13391 // /data/app/com.example/lib/arm64/libfoo.so 13392 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13393 13394 /** New install */ 13395 FileInstallArgs(InstallParams params) { 13396 super(params.origin, params.move, params.observer, params.installFlags, 13397 params.installerPackageName, params.volumeUuid, 13398 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13399 params.grantedRuntimePermissions, 13400 params.traceMethod, params.traceCookie, params.certificates); 13401 if (isFwdLocked()) { 13402 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13403 } 13404 } 13405 13406 /** Existing install */ 13407 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13408 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13409 null, null, null, 0, null /*certificates*/); 13410 this.codeFile = (codePath != null) ? new File(codePath) : null; 13411 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13412 } 13413 13414 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13415 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13416 try { 13417 return doCopyApk(imcs, temp); 13418 } finally { 13419 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13420 } 13421 } 13422 13423 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13424 if (origin.staged) { 13425 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13426 codeFile = origin.file; 13427 resourceFile = origin.file; 13428 return PackageManager.INSTALL_SUCCEEDED; 13429 } 13430 13431 try { 13432 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13433 final File tempDir = 13434 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13435 codeFile = tempDir; 13436 resourceFile = tempDir; 13437 } catch (IOException e) { 13438 Slog.w(TAG, "Failed to create copy file: " + e); 13439 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13440 } 13441 13442 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13443 @Override 13444 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13445 if (!FileUtils.isValidExtFilename(name)) { 13446 throw new IllegalArgumentException("Invalid filename: " + name); 13447 } 13448 try { 13449 final File file = new File(codeFile, name); 13450 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13451 O_RDWR | O_CREAT, 0644); 13452 Os.chmod(file.getAbsolutePath(), 0644); 13453 return new ParcelFileDescriptor(fd); 13454 } catch (ErrnoException e) { 13455 throw new RemoteException("Failed to open: " + e.getMessage()); 13456 } 13457 } 13458 }; 13459 13460 int ret = PackageManager.INSTALL_SUCCEEDED; 13461 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13462 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13463 Slog.e(TAG, "Failed to copy package"); 13464 return ret; 13465 } 13466 13467 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13468 NativeLibraryHelper.Handle handle = null; 13469 try { 13470 handle = NativeLibraryHelper.Handle.create(codeFile); 13471 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13472 abiOverride); 13473 } catch (IOException e) { 13474 Slog.e(TAG, "Copying native libraries failed", e); 13475 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13476 } finally { 13477 IoUtils.closeQuietly(handle); 13478 } 13479 13480 return ret; 13481 } 13482 13483 int doPreInstall(int status) { 13484 if (status != PackageManager.INSTALL_SUCCEEDED) { 13485 cleanUp(); 13486 } 13487 return status; 13488 } 13489 13490 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13491 if (status != PackageManager.INSTALL_SUCCEEDED) { 13492 cleanUp(); 13493 return false; 13494 } 13495 13496 final File targetDir = codeFile.getParentFile(); 13497 final File beforeCodeFile = codeFile; 13498 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13499 13500 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13501 try { 13502 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13503 } catch (ErrnoException e) { 13504 Slog.w(TAG, "Failed to rename", e); 13505 return false; 13506 } 13507 13508 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13509 Slog.w(TAG, "Failed to restorecon"); 13510 return false; 13511 } 13512 13513 // Reflect the rename internally 13514 codeFile = afterCodeFile; 13515 resourceFile = afterCodeFile; 13516 13517 // Reflect the rename in scanned details 13518 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13519 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13520 afterCodeFile, pkg.baseCodePath)); 13521 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13522 afterCodeFile, pkg.splitCodePaths)); 13523 13524 // Reflect the rename in app info 13525 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13526 pkg.setApplicationInfoCodePath(pkg.codePath); 13527 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13528 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13529 pkg.setApplicationInfoResourcePath(pkg.codePath); 13530 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13531 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13532 13533 return true; 13534 } 13535 13536 int doPostInstall(int status, int uid) { 13537 if (status != PackageManager.INSTALL_SUCCEEDED) { 13538 cleanUp(); 13539 } 13540 return status; 13541 } 13542 13543 @Override 13544 String getCodePath() { 13545 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13546 } 13547 13548 @Override 13549 String getResourcePath() { 13550 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13551 } 13552 13553 private boolean cleanUp() { 13554 if (codeFile == null || !codeFile.exists()) { 13555 return false; 13556 } 13557 13558 removeCodePathLI(codeFile); 13559 13560 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13561 resourceFile.delete(); 13562 } 13563 13564 return true; 13565 } 13566 13567 void cleanUpResourcesLI() { 13568 // Try enumerating all code paths before deleting 13569 List<String> allCodePaths = Collections.EMPTY_LIST; 13570 if (codeFile != null && codeFile.exists()) { 13571 try { 13572 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13573 allCodePaths = pkg.getAllCodePaths(); 13574 } catch (PackageParserException e) { 13575 // Ignored; we tried our best 13576 } 13577 } 13578 13579 cleanUp(); 13580 removeDexFiles(allCodePaths, instructionSets); 13581 } 13582 13583 boolean doPostDeleteLI(boolean delete) { 13584 // XXX err, shouldn't we respect the delete flag? 13585 cleanUpResourcesLI(); 13586 return true; 13587 } 13588 } 13589 13590 private boolean isAsecExternal(String cid) { 13591 final String asecPath = PackageHelper.getSdFilesystem(cid); 13592 return !asecPath.startsWith(mAsecInternalPath); 13593 } 13594 13595 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13596 PackageManagerException { 13597 if (copyRet < 0) { 13598 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13599 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13600 throw new PackageManagerException(copyRet, message); 13601 } 13602 } 13603 } 13604 13605 /** 13606 * Extract the MountService "container ID" from the full code path of an 13607 * .apk. 13608 */ 13609 static String cidFromCodePath(String fullCodePath) { 13610 int eidx = fullCodePath.lastIndexOf("/"); 13611 String subStr1 = fullCodePath.substring(0, eidx); 13612 int sidx = subStr1.lastIndexOf("/"); 13613 return subStr1.substring(sidx+1, eidx); 13614 } 13615 13616 /** 13617 * Logic to handle installation of ASEC applications, including copying and 13618 * renaming logic. 13619 */ 13620 class AsecInstallArgs extends InstallArgs { 13621 static final String RES_FILE_NAME = "pkg.apk"; 13622 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13623 13624 String cid; 13625 String packagePath; 13626 String resourcePath; 13627 13628 /** New install */ 13629 AsecInstallArgs(InstallParams params) { 13630 super(params.origin, params.move, params.observer, params.installFlags, 13631 params.installerPackageName, params.volumeUuid, 13632 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13633 params.grantedRuntimePermissions, 13634 params.traceMethod, params.traceCookie, params.certificates); 13635 } 13636 13637 /** Existing install */ 13638 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13639 boolean isExternal, boolean isForwardLocked) { 13640 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13641 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13642 instructionSets, null, null, null, 0, null /*certificates*/); 13643 // Hackily pretend we're still looking at a full code path 13644 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13645 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13646 } 13647 13648 // Extract cid from fullCodePath 13649 int eidx = fullCodePath.lastIndexOf("/"); 13650 String subStr1 = fullCodePath.substring(0, eidx); 13651 int sidx = subStr1.lastIndexOf("/"); 13652 cid = subStr1.substring(sidx+1, eidx); 13653 setMountPath(subStr1); 13654 } 13655 13656 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13657 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13658 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13659 instructionSets, null, null, null, 0, null /*certificates*/); 13660 this.cid = cid; 13661 setMountPath(PackageHelper.getSdDir(cid)); 13662 } 13663 13664 void createCopyFile() { 13665 cid = mInstallerService.allocateExternalStageCidLegacy(); 13666 } 13667 13668 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13669 if (origin.staged && origin.cid != null) { 13670 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13671 cid = origin.cid; 13672 setMountPath(PackageHelper.getSdDir(cid)); 13673 return PackageManager.INSTALL_SUCCEEDED; 13674 } 13675 13676 if (temp) { 13677 createCopyFile(); 13678 } else { 13679 /* 13680 * Pre-emptively destroy the container since it's destroyed if 13681 * copying fails due to it existing anyway. 13682 */ 13683 PackageHelper.destroySdDir(cid); 13684 } 13685 13686 final String newMountPath = imcs.copyPackageToContainer( 13687 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13688 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13689 13690 if (newMountPath != null) { 13691 setMountPath(newMountPath); 13692 return PackageManager.INSTALL_SUCCEEDED; 13693 } else { 13694 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13695 } 13696 } 13697 13698 @Override 13699 String getCodePath() { 13700 return packagePath; 13701 } 13702 13703 @Override 13704 String getResourcePath() { 13705 return resourcePath; 13706 } 13707 13708 int doPreInstall(int status) { 13709 if (status != PackageManager.INSTALL_SUCCEEDED) { 13710 // Destroy container 13711 PackageHelper.destroySdDir(cid); 13712 } else { 13713 boolean mounted = PackageHelper.isContainerMounted(cid); 13714 if (!mounted) { 13715 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13716 Process.SYSTEM_UID); 13717 if (newMountPath != null) { 13718 setMountPath(newMountPath); 13719 } else { 13720 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13721 } 13722 } 13723 } 13724 return status; 13725 } 13726 13727 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13728 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13729 String newMountPath = null; 13730 if (PackageHelper.isContainerMounted(cid)) { 13731 // Unmount the container 13732 if (!PackageHelper.unMountSdDir(cid)) { 13733 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13734 return false; 13735 } 13736 } 13737 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13738 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13739 " which might be stale. Will try to clean up."); 13740 // Clean up the stale container and proceed to recreate. 13741 if (!PackageHelper.destroySdDir(newCacheId)) { 13742 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13743 return false; 13744 } 13745 // Successfully cleaned up stale container. Try to rename again. 13746 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13747 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13748 + " inspite of cleaning it up."); 13749 return false; 13750 } 13751 } 13752 if (!PackageHelper.isContainerMounted(newCacheId)) { 13753 Slog.w(TAG, "Mounting container " + newCacheId); 13754 newMountPath = PackageHelper.mountSdDir(newCacheId, 13755 getEncryptKey(), Process.SYSTEM_UID); 13756 } else { 13757 newMountPath = PackageHelper.getSdDir(newCacheId); 13758 } 13759 if (newMountPath == null) { 13760 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13761 return false; 13762 } 13763 Log.i(TAG, "Succesfully renamed " + cid + 13764 " to " + newCacheId + 13765 " at new path: " + newMountPath); 13766 cid = newCacheId; 13767 13768 final File beforeCodeFile = new File(packagePath); 13769 setMountPath(newMountPath); 13770 final File afterCodeFile = new File(packagePath); 13771 13772 // Reflect the rename in scanned details 13773 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13774 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13775 afterCodeFile, pkg.baseCodePath)); 13776 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13777 afterCodeFile, pkg.splitCodePaths)); 13778 13779 // Reflect the rename in app info 13780 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13781 pkg.setApplicationInfoCodePath(pkg.codePath); 13782 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13783 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13784 pkg.setApplicationInfoResourcePath(pkg.codePath); 13785 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13786 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13787 13788 return true; 13789 } 13790 13791 private void setMountPath(String mountPath) { 13792 final File mountFile = new File(mountPath); 13793 13794 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13795 if (monolithicFile.exists()) { 13796 packagePath = monolithicFile.getAbsolutePath(); 13797 if (isFwdLocked()) { 13798 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13799 } else { 13800 resourcePath = packagePath; 13801 } 13802 } else { 13803 packagePath = mountFile.getAbsolutePath(); 13804 resourcePath = packagePath; 13805 } 13806 } 13807 13808 int doPostInstall(int status, int uid) { 13809 if (status != PackageManager.INSTALL_SUCCEEDED) { 13810 cleanUp(); 13811 } else { 13812 final int groupOwner; 13813 final String protectedFile; 13814 if (isFwdLocked()) { 13815 groupOwner = UserHandle.getSharedAppGid(uid); 13816 protectedFile = RES_FILE_NAME; 13817 } else { 13818 groupOwner = -1; 13819 protectedFile = null; 13820 } 13821 13822 if (uid < Process.FIRST_APPLICATION_UID 13823 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13824 Slog.e(TAG, "Failed to finalize " + cid); 13825 PackageHelper.destroySdDir(cid); 13826 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13827 } 13828 13829 boolean mounted = PackageHelper.isContainerMounted(cid); 13830 if (!mounted) { 13831 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13832 } 13833 } 13834 return status; 13835 } 13836 13837 private void cleanUp() { 13838 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13839 13840 // Destroy secure container 13841 PackageHelper.destroySdDir(cid); 13842 } 13843 13844 private List<String> getAllCodePaths() { 13845 final File codeFile = new File(getCodePath()); 13846 if (codeFile != null && codeFile.exists()) { 13847 try { 13848 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13849 return pkg.getAllCodePaths(); 13850 } catch (PackageParserException e) { 13851 // Ignored; we tried our best 13852 } 13853 } 13854 return Collections.EMPTY_LIST; 13855 } 13856 13857 void cleanUpResourcesLI() { 13858 // Enumerate all code paths before deleting 13859 cleanUpResourcesLI(getAllCodePaths()); 13860 } 13861 13862 private void cleanUpResourcesLI(List<String> allCodePaths) { 13863 cleanUp(); 13864 removeDexFiles(allCodePaths, instructionSets); 13865 } 13866 13867 String getPackageName() { 13868 return getAsecPackageName(cid); 13869 } 13870 13871 boolean doPostDeleteLI(boolean delete) { 13872 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13873 final List<String> allCodePaths = getAllCodePaths(); 13874 boolean mounted = PackageHelper.isContainerMounted(cid); 13875 if (mounted) { 13876 // Unmount first 13877 if (PackageHelper.unMountSdDir(cid)) { 13878 mounted = false; 13879 } 13880 } 13881 if (!mounted && delete) { 13882 cleanUpResourcesLI(allCodePaths); 13883 } 13884 return !mounted; 13885 } 13886 13887 @Override 13888 int doPreCopy() { 13889 if (isFwdLocked()) { 13890 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13891 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13892 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13893 } 13894 } 13895 13896 return PackageManager.INSTALL_SUCCEEDED; 13897 } 13898 13899 @Override 13900 int doPostCopy(int uid) { 13901 if (isFwdLocked()) { 13902 if (uid < Process.FIRST_APPLICATION_UID 13903 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13904 RES_FILE_NAME)) { 13905 Slog.e(TAG, "Failed to finalize " + cid); 13906 PackageHelper.destroySdDir(cid); 13907 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13908 } 13909 } 13910 13911 return PackageManager.INSTALL_SUCCEEDED; 13912 } 13913 } 13914 13915 /** 13916 * Logic to handle movement of existing installed applications. 13917 */ 13918 class MoveInstallArgs extends InstallArgs { 13919 private File codeFile; 13920 private File resourceFile; 13921 13922 /** New install */ 13923 MoveInstallArgs(InstallParams params) { 13924 super(params.origin, params.move, params.observer, params.installFlags, 13925 params.installerPackageName, params.volumeUuid, 13926 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13927 params.grantedRuntimePermissions, 13928 params.traceMethod, params.traceCookie, params.certificates); 13929 } 13930 13931 int copyApk(IMediaContainerService imcs, boolean temp) { 13932 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13933 + move.fromUuid + " to " + move.toUuid); 13934 synchronized (mInstaller) { 13935 try { 13936 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13937 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13938 } catch (InstallerException e) { 13939 Slog.w(TAG, "Failed to move app", e); 13940 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13941 } 13942 } 13943 13944 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13945 resourceFile = codeFile; 13946 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13947 13948 return PackageManager.INSTALL_SUCCEEDED; 13949 } 13950 13951 int doPreInstall(int status) { 13952 if (status != PackageManager.INSTALL_SUCCEEDED) { 13953 cleanUp(move.toUuid); 13954 } 13955 return status; 13956 } 13957 13958 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13959 if (status != PackageManager.INSTALL_SUCCEEDED) { 13960 cleanUp(move.toUuid); 13961 return false; 13962 } 13963 13964 // Reflect the move in app info 13965 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13966 pkg.setApplicationInfoCodePath(pkg.codePath); 13967 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13968 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13969 pkg.setApplicationInfoResourcePath(pkg.codePath); 13970 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13971 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13972 13973 return true; 13974 } 13975 13976 int doPostInstall(int status, int uid) { 13977 if (status == PackageManager.INSTALL_SUCCEEDED) { 13978 cleanUp(move.fromUuid); 13979 } else { 13980 cleanUp(move.toUuid); 13981 } 13982 return status; 13983 } 13984 13985 @Override 13986 String getCodePath() { 13987 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13988 } 13989 13990 @Override 13991 String getResourcePath() { 13992 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13993 } 13994 13995 private boolean cleanUp(String volumeUuid) { 13996 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13997 move.dataAppName); 13998 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13999 final int[] userIds = sUserManager.getUserIds(); 14000 synchronized (mInstallLock) { 14001 // Clean up both app data and code 14002 // All package moves are frozen until finished 14003 for (int userId : userIds) { 14004 try { 14005 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14006 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14007 } catch (InstallerException e) { 14008 Slog.w(TAG, String.valueOf(e)); 14009 } 14010 } 14011 removeCodePathLI(codeFile); 14012 } 14013 return true; 14014 } 14015 14016 void cleanUpResourcesLI() { 14017 throw new UnsupportedOperationException(); 14018 } 14019 14020 boolean doPostDeleteLI(boolean delete) { 14021 throw new UnsupportedOperationException(); 14022 } 14023 } 14024 14025 static String getAsecPackageName(String packageCid) { 14026 int idx = packageCid.lastIndexOf("-"); 14027 if (idx == -1) { 14028 return packageCid; 14029 } 14030 return packageCid.substring(0, idx); 14031 } 14032 14033 // Utility method used to create code paths based on package name and available index. 14034 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14035 String idxStr = ""; 14036 int idx = 1; 14037 // Fall back to default value of idx=1 if prefix is not 14038 // part of oldCodePath 14039 if (oldCodePath != null) { 14040 String subStr = oldCodePath; 14041 // Drop the suffix right away 14042 if (suffix != null && subStr.endsWith(suffix)) { 14043 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14044 } 14045 // If oldCodePath already contains prefix find out the 14046 // ending index to either increment or decrement. 14047 int sidx = subStr.lastIndexOf(prefix); 14048 if (sidx != -1) { 14049 subStr = subStr.substring(sidx + prefix.length()); 14050 if (subStr != null) { 14051 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14052 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14053 } 14054 try { 14055 idx = Integer.parseInt(subStr); 14056 if (idx <= 1) { 14057 idx++; 14058 } else { 14059 idx--; 14060 } 14061 } catch(NumberFormatException e) { 14062 } 14063 } 14064 } 14065 } 14066 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14067 return prefix + idxStr; 14068 } 14069 14070 private File getNextCodePath(File targetDir, String packageName) { 14071 int suffix = 1; 14072 File result; 14073 do { 14074 result = new File(targetDir, packageName + "-" + suffix); 14075 suffix++; 14076 } while (result.exists()); 14077 return result; 14078 } 14079 14080 // Utility method that returns the relative package path with respect 14081 // to the installation directory. Like say for /data/data/com.test-1.apk 14082 // string com.test-1 is returned. 14083 static String deriveCodePathName(String codePath) { 14084 if (codePath == null) { 14085 return null; 14086 } 14087 final File codeFile = new File(codePath); 14088 final String name = codeFile.getName(); 14089 if (codeFile.isDirectory()) { 14090 return name; 14091 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14092 final int lastDot = name.lastIndexOf('.'); 14093 return name.substring(0, lastDot); 14094 } else { 14095 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14096 return null; 14097 } 14098 } 14099 14100 static class PackageInstalledInfo { 14101 String name; 14102 int uid; 14103 // The set of users that originally had this package installed. 14104 int[] origUsers; 14105 // The set of users that now have this package installed. 14106 int[] newUsers; 14107 PackageParser.Package pkg; 14108 int returnCode; 14109 String returnMsg; 14110 PackageRemovedInfo removedInfo; 14111 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14112 14113 public void setError(int code, String msg) { 14114 setReturnCode(code); 14115 setReturnMessage(msg); 14116 Slog.w(TAG, msg); 14117 } 14118 14119 public void setError(String msg, PackageParserException e) { 14120 setReturnCode(e.error); 14121 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14122 Slog.w(TAG, msg, e); 14123 } 14124 14125 public void setError(String msg, PackageManagerException e) { 14126 returnCode = e.error; 14127 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14128 Slog.w(TAG, msg, e); 14129 } 14130 14131 public void setReturnCode(int returnCode) { 14132 this.returnCode = returnCode; 14133 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14134 for (int i = 0; i < childCount; i++) { 14135 addedChildPackages.valueAt(i).returnCode = returnCode; 14136 } 14137 } 14138 14139 private void setReturnMessage(String returnMsg) { 14140 this.returnMsg = returnMsg; 14141 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14142 for (int i = 0; i < childCount; i++) { 14143 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14144 } 14145 } 14146 14147 // In some error cases we want to convey more info back to the observer 14148 String origPackage; 14149 String origPermission; 14150 } 14151 14152 /* 14153 * Install a non-existing package. 14154 */ 14155 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14156 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14157 PackageInstalledInfo res) { 14158 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14159 14160 // Remember this for later, in case we need to rollback this install 14161 String pkgName = pkg.packageName; 14162 14163 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14164 14165 synchronized(mPackages) { 14166 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14167 // A package with the same name is already installed, though 14168 // it has been renamed to an older name. The package we 14169 // are trying to install should be installed as an update to 14170 // the existing one, but that has not been requested, so bail. 14171 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14172 + " without first uninstalling package running as " 14173 + mSettings.mRenamedPackages.get(pkgName)); 14174 return; 14175 } 14176 if (mPackages.containsKey(pkgName)) { 14177 // Don't allow installation over an existing package with the same name. 14178 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14179 + " without first uninstalling."); 14180 return; 14181 } 14182 } 14183 14184 try { 14185 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14186 System.currentTimeMillis(), user); 14187 14188 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14189 14190 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14191 prepareAppDataAfterInstallLIF(newPackage); 14192 14193 } else { 14194 // Remove package from internal structures, but keep around any 14195 // data that might have already existed 14196 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14197 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14198 } 14199 } catch (PackageManagerException e) { 14200 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14201 } 14202 14203 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14204 } 14205 14206 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14207 // Can't rotate keys during boot or if sharedUser. 14208 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14209 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14210 return false; 14211 } 14212 // app is using upgradeKeySets; make sure all are valid 14213 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14214 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14215 for (int i = 0; i < upgradeKeySets.length; i++) { 14216 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14217 Slog.wtf(TAG, "Package " 14218 + (oldPs.name != null ? oldPs.name : "<null>") 14219 + " contains upgrade-key-set reference to unknown key-set: " 14220 + upgradeKeySets[i] 14221 + " reverting to signatures check."); 14222 return false; 14223 } 14224 } 14225 return true; 14226 } 14227 14228 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14229 // Upgrade keysets are being used. Determine if new package has a superset of the 14230 // required keys. 14231 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14232 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14233 for (int i = 0; i < upgradeKeySets.length; i++) { 14234 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14235 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14236 return true; 14237 } 14238 } 14239 return false; 14240 } 14241 14242 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14243 try (DigestInputStream digestStream = 14244 new DigestInputStream(new FileInputStream(file), digest)) { 14245 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14246 } 14247 } 14248 14249 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14250 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14251 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14252 14253 final PackageParser.Package oldPackage; 14254 final String pkgName = pkg.packageName; 14255 final int[] allUsers; 14256 final int[] installedUsers; 14257 14258 synchronized(mPackages) { 14259 oldPackage = mPackages.get(pkgName); 14260 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14261 14262 // don't allow upgrade to target a release SDK from a pre-release SDK 14263 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14264 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14265 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14266 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14267 if (oldTargetsPreRelease 14268 && !newTargetsPreRelease 14269 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14270 Slog.w(TAG, "Can't install package targeting released sdk"); 14271 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14272 return; 14273 } 14274 14275 // don't allow an upgrade from full to ephemeral 14276 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14277 if (isEphemeral && !oldIsEphemeral) { 14278 // can't downgrade from full to ephemeral 14279 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14280 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14281 return; 14282 } 14283 14284 // verify signatures are valid 14285 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14286 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14287 if (!checkUpgradeKeySetLP(ps, pkg)) { 14288 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14289 "New package not signed by keys specified by upgrade-keysets: " 14290 + pkgName); 14291 return; 14292 } 14293 } else { 14294 // default to original signature matching 14295 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14296 != PackageManager.SIGNATURE_MATCH) { 14297 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14298 "New package has a different signature: " + pkgName); 14299 return; 14300 } 14301 } 14302 14303 // don't allow a system upgrade unless the upgrade hash matches 14304 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14305 byte[] digestBytes = null; 14306 try { 14307 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14308 updateDigest(digest, new File(pkg.baseCodePath)); 14309 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14310 for (String path : pkg.splitCodePaths) { 14311 updateDigest(digest, new File(path)); 14312 } 14313 } 14314 digestBytes = digest.digest(); 14315 } catch (NoSuchAlgorithmException | IOException e) { 14316 res.setError(INSTALL_FAILED_INVALID_APK, 14317 "Could not compute hash: " + pkgName); 14318 return; 14319 } 14320 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14321 res.setError(INSTALL_FAILED_INVALID_APK, 14322 "New package fails restrict-update check: " + pkgName); 14323 return; 14324 } 14325 // retain upgrade restriction 14326 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14327 } 14328 14329 // Check for shared user id changes 14330 String invalidPackageName = 14331 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14332 if (invalidPackageName != null) { 14333 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14334 "Package " + invalidPackageName + " tried to change user " 14335 + oldPackage.mSharedUserId); 14336 return; 14337 } 14338 14339 // In case of rollback, remember per-user/profile install state 14340 allUsers = sUserManager.getUserIds(); 14341 installedUsers = ps.queryInstalledUsers(allUsers, true); 14342 } 14343 14344 // Update what is removed 14345 res.removedInfo = new PackageRemovedInfo(); 14346 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14347 res.removedInfo.removedPackage = oldPackage.packageName; 14348 res.removedInfo.isUpdate = true; 14349 res.removedInfo.origUsers = installedUsers; 14350 final int childCount = (oldPackage.childPackages != null) 14351 ? oldPackage.childPackages.size() : 0; 14352 for (int i = 0; i < childCount; i++) { 14353 boolean childPackageUpdated = false; 14354 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14355 if (res.addedChildPackages != null) { 14356 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14357 if (childRes != null) { 14358 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14359 childRes.removedInfo.removedPackage = childPkg.packageName; 14360 childRes.removedInfo.isUpdate = true; 14361 childPackageUpdated = true; 14362 } 14363 } 14364 if (!childPackageUpdated) { 14365 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14366 childRemovedRes.removedPackage = childPkg.packageName; 14367 childRemovedRes.isUpdate = false; 14368 childRemovedRes.dataRemoved = true; 14369 synchronized (mPackages) { 14370 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14371 if (childPs != null) { 14372 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14373 } 14374 } 14375 if (res.removedInfo.removedChildPackages == null) { 14376 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14377 } 14378 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14379 } 14380 } 14381 14382 boolean sysPkg = (isSystemApp(oldPackage)); 14383 if (sysPkg) { 14384 // Set the system/privileged flags as needed 14385 final boolean privileged = 14386 (oldPackage.applicationInfo.privateFlags 14387 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14388 final int systemPolicyFlags = policyFlags 14389 | PackageParser.PARSE_IS_SYSTEM 14390 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14391 14392 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14393 user, allUsers, installerPackageName, res); 14394 } else { 14395 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14396 user, allUsers, installerPackageName, res); 14397 } 14398 } 14399 14400 public List<String> getPreviousCodePaths(String packageName) { 14401 final PackageSetting ps = mSettings.mPackages.get(packageName); 14402 final List<String> result = new ArrayList<String>(); 14403 if (ps != null && ps.oldCodePaths != null) { 14404 result.addAll(ps.oldCodePaths); 14405 } 14406 return result; 14407 } 14408 14409 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14410 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14411 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14412 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14413 + deletedPackage); 14414 14415 String pkgName = deletedPackage.packageName; 14416 boolean deletedPkg = true; 14417 boolean addedPkg = false; 14418 boolean updatedSettings = false; 14419 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14420 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14421 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14422 14423 final long origUpdateTime = (pkg.mExtras != null) 14424 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14425 14426 // First delete the existing package while retaining the data directory 14427 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14428 res.removedInfo, true, pkg)) { 14429 // If the existing package wasn't successfully deleted 14430 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14431 deletedPkg = false; 14432 } else { 14433 // Successfully deleted the old package; proceed with replace. 14434 14435 // If deleted package lived in a container, give users a chance to 14436 // relinquish resources before killing. 14437 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14438 if (DEBUG_INSTALL) { 14439 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14440 } 14441 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14442 final ArrayList<String> pkgList = new ArrayList<String>(1); 14443 pkgList.add(deletedPackage.applicationInfo.packageName); 14444 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14445 } 14446 14447 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14448 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14449 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14450 14451 try { 14452 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14453 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14454 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14455 14456 // Update the in-memory copy of the previous code paths. 14457 PackageSetting ps = mSettings.mPackages.get(pkgName); 14458 if (!killApp) { 14459 if (ps.oldCodePaths == null) { 14460 ps.oldCodePaths = new ArraySet<>(); 14461 } 14462 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14463 if (deletedPackage.splitCodePaths != null) { 14464 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14465 } 14466 } else { 14467 ps.oldCodePaths = null; 14468 } 14469 if (ps.childPackageNames != null) { 14470 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14471 final String childPkgName = ps.childPackageNames.get(i); 14472 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14473 childPs.oldCodePaths = ps.oldCodePaths; 14474 } 14475 } 14476 prepareAppDataAfterInstallLIF(newPackage); 14477 addedPkg = true; 14478 } catch (PackageManagerException e) { 14479 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14480 } 14481 } 14482 14483 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14484 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14485 14486 // Revert all internal state mutations and added folders for the failed install 14487 if (addedPkg) { 14488 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14489 res.removedInfo, true, null); 14490 } 14491 14492 // Restore the old package 14493 if (deletedPkg) { 14494 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14495 File restoreFile = new File(deletedPackage.codePath); 14496 // Parse old package 14497 boolean oldExternal = isExternal(deletedPackage); 14498 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14499 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14500 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14501 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14502 try { 14503 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14504 null); 14505 } catch (PackageManagerException e) { 14506 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14507 + e.getMessage()); 14508 return; 14509 } 14510 14511 synchronized (mPackages) { 14512 // Ensure the installer package name up to date 14513 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14514 14515 // Update permissions for restored package 14516 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14517 14518 mSettings.writeLPr(); 14519 } 14520 14521 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14522 } 14523 } else { 14524 synchronized (mPackages) { 14525 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14526 if (ps != null) { 14527 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14528 if (res.removedInfo.removedChildPackages != null) { 14529 final int childCount = res.removedInfo.removedChildPackages.size(); 14530 // Iterate in reverse as we may modify the collection 14531 for (int i = childCount - 1; i >= 0; i--) { 14532 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14533 if (res.addedChildPackages.containsKey(childPackageName)) { 14534 res.removedInfo.removedChildPackages.removeAt(i); 14535 } else { 14536 PackageRemovedInfo childInfo = res.removedInfo 14537 .removedChildPackages.valueAt(i); 14538 childInfo.removedForAllUsers = mPackages.get( 14539 childInfo.removedPackage) == null; 14540 } 14541 } 14542 } 14543 } 14544 } 14545 } 14546 } 14547 14548 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14549 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14550 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14551 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14552 + ", old=" + deletedPackage); 14553 14554 final boolean disabledSystem; 14555 14556 // Remove existing system package 14557 removePackageLI(deletedPackage, true); 14558 14559 synchronized (mPackages) { 14560 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14561 } 14562 if (!disabledSystem) { 14563 // We didn't need to disable the .apk as a current system package, 14564 // which means we are replacing another update that is already 14565 // installed. We need to make sure to delete the older one's .apk. 14566 res.removedInfo.args = createInstallArgsForExisting(0, 14567 deletedPackage.applicationInfo.getCodePath(), 14568 deletedPackage.applicationInfo.getResourcePath(), 14569 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14570 } else { 14571 res.removedInfo.args = null; 14572 } 14573 14574 // Successfully disabled the old package. Now proceed with re-installation 14575 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14576 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14577 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14578 14579 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14580 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14581 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14582 14583 PackageParser.Package newPackage = null; 14584 try { 14585 // Add the package to the internal data structures 14586 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14587 14588 // Set the update and install times 14589 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14590 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14591 System.currentTimeMillis()); 14592 14593 // Update the package dynamic state if succeeded 14594 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14595 // Now that the install succeeded make sure we remove data 14596 // directories for any child package the update removed. 14597 final int deletedChildCount = (deletedPackage.childPackages != null) 14598 ? deletedPackage.childPackages.size() : 0; 14599 final int newChildCount = (newPackage.childPackages != null) 14600 ? newPackage.childPackages.size() : 0; 14601 for (int i = 0; i < deletedChildCount; i++) { 14602 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14603 boolean childPackageDeleted = true; 14604 for (int j = 0; j < newChildCount; j++) { 14605 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14606 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14607 childPackageDeleted = false; 14608 break; 14609 } 14610 } 14611 if (childPackageDeleted) { 14612 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14613 deletedChildPkg.packageName); 14614 if (ps != null && res.removedInfo.removedChildPackages != null) { 14615 PackageRemovedInfo removedChildRes = res.removedInfo 14616 .removedChildPackages.get(deletedChildPkg.packageName); 14617 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14618 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14619 } 14620 } 14621 } 14622 14623 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14624 prepareAppDataAfterInstallLIF(newPackage); 14625 } 14626 } catch (PackageManagerException e) { 14627 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14628 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14629 } 14630 14631 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14632 // Re installation failed. Restore old information 14633 // Remove new pkg information 14634 if (newPackage != null) { 14635 removeInstalledPackageLI(newPackage, true); 14636 } 14637 // Add back the old system package 14638 try { 14639 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14640 } catch (PackageManagerException e) { 14641 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14642 } 14643 14644 synchronized (mPackages) { 14645 if (disabledSystem) { 14646 enableSystemPackageLPw(deletedPackage); 14647 } 14648 14649 // Ensure the installer package name up to date 14650 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14651 14652 // Update permissions for restored package 14653 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14654 14655 mSettings.writeLPr(); 14656 } 14657 14658 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14659 + " after failed upgrade"); 14660 } 14661 } 14662 14663 /** 14664 * Checks whether the parent or any of the child packages have a change shared 14665 * user. For a package to be a valid update the shred users of the parent and 14666 * the children should match. We may later support changing child shared users. 14667 * @param oldPkg The updated package. 14668 * @param newPkg The update package. 14669 * @return The shared user that change between the versions. 14670 */ 14671 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14672 PackageParser.Package newPkg) { 14673 // Check parent shared user 14674 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14675 return newPkg.packageName; 14676 } 14677 // Check child shared users 14678 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14679 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14680 for (int i = 0; i < newChildCount; i++) { 14681 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14682 // If this child was present, did it have the same shared user? 14683 for (int j = 0; j < oldChildCount; j++) { 14684 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14685 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14686 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14687 return newChildPkg.packageName; 14688 } 14689 } 14690 } 14691 return null; 14692 } 14693 14694 private void removeNativeBinariesLI(PackageSetting ps) { 14695 // Remove the lib path for the parent package 14696 if (ps != null) { 14697 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14698 // Remove the lib path for the child packages 14699 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14700 for (int i = 0; i < childCount; i++) { 14701 PackageSetting childPs = null; 14702 synchronized (mPackages) { 14703 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14704 } 14705 if (childPs != null) { 14706 NativeLibraryHelper.removeNativeBinariesLI(childPs 14707 .legacyNativeLibraryPathString); 14708 } 14709 } 14710 } 14711 } 14712 14713 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14714 // Enable the parent package 14715 mSettings.enableSystemPackageLPw(pkg.packageName); 14716 // Enable the child packages 14717 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14718 for (int i = 0; i < childCount; i++) { 14719 PackageParser.Package childPkg = pkg.childPackages.get(i); 14720 mSettings.enableSystemPackageLPw(childPkg.packageName); 14721 } 14722 } 14723 14724 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14725 PackageParser.Package newPkg) { 14726 // Disable the parent package (parent always replaced) 14727 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14728 // Disable the child packages 14729 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14730 for (int i = 0; i < childCount; i++) { 14731 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14732 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14733 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14734 } 14735 return disabled; 14736 } 14737 14738 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14739 String installerPackageName) { 14740 // Enable the parent package 14741 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14742 // Enable the child packages 14743 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14744 for (int i = 0; i < childCount; i++) { 14745 PackageParser.Package childPkg = pkg.childPackages.get(i); 14746 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14747 } 14748 } 14749 14750 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14751 // Collect all used permissions in the UID 14752 ArraySet<String> usedPermissions = new ArraySet<>(); 14753 final int packageCount = su.packages.size(); 14754 for (int i = 0; i < packageCount; i++) { 14755 PackageSetting ps = su.packages.valueAt(i); 14756 if (ps.pkg == null) { 14757 continue; 14758 } 14759 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14760 for (int j = 0; j < requestedPermCount; j++) { 14761 String permission = ps.pkg.requestedPermissions.get(j); 14762 BasePermission bp = mSettings.mPermissions.get(permission); 14763 if (bp != null) { 14764 usedPermissions.add(permission); 14765 } 14766 } 14767 } 14768 14769 PermissionsState permissionsState = su.getPermissionsState(); 14770 // Prune install permissions 14771 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14772 final int installPermCount = installPermStates.size(); 14773 for (int i = installPermCount - 1; i >= 0; i--) { 14774 PermissionState permissionState = installPermStates.get(i); 14775 if (!usedPermissions.contains(permissionState.getName())) { 14776 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14777 if (bp != null) { 14778 permissionsState.revokeInstallPermission(bp); 14779 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14780 PackageManager.MASK_PERMISSION_FLAGS, 0); 14781 } 14782 } 14783 } 14784 14785 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14786 14787 // Prune runtime permissions 14788 for (int userId : allUserIds) { 14789 List<PermissionState> runtimePermStates = permissionsState 14790 .getRuntimePermissionStates(userId); 14791 final int runtimePermCount = runtimePermStates.size(); 14792 for (int i = runtimePermCount - 1; i >= 0; i--) { 14793 PermissionState permissionState = runtimePermStates.get(i); 14794 if (!usedPermissions.contains(permissionState.getName())) { 14795 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14796 if (bp != null) { 14797 permissionsState.revokeRuntimePermission(bp, userId); 14798 permissionsState.updatePermissionFlags(bp, userId, 14799 PackageManager.MASK_PERMISSION_FLAGS, 0); 14800 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14801 runtimePermissionChangedUserIds, userId); 14802 } 14803 } 14804 } 14805 } 14806 14807 return runtimePermissionChangedUserIds; 14808 } 14809 14810 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14811 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14812 // Update the parent package setting 14813 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14814 res, user); 14815 // Update the child packages setting 14816 final int childCount = (newPackage.childPackages != null) 14817 ? newPackage.childPackages.size() : 0; 14818 for (int i = 0; i < childCount; i++) { 14819 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14820 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14821 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14822 childRes.origUsers, childRes, user); 14823 } 14824 } 14825 14826 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14827 String installerPackageName, int[] allUsers, int[] installedForUsers, 14828 PackageInstalledInfo res, UserHandle user) { 14829 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14830 14831 String pkgName = newPackage.packageName; 14832 synchronized (mPackages) { 14833 //write settings. the installStatus will be incomplete at this stage. 14834 //note that the new package setting would have already been 14835 //added to mPackages. It hasn't been persisted yet. 14836 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14837 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14838 mSettings.writeLPr(); 14839 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14840 } 14841 14842 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14843 synchronized (mPackages) { 14844 updatePermissionsLPw(newPackage.packageName, newPackage, 14845 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14846 ? UPDATE_PERMISSIONS_ALL : 0)); 14847 // For system-bundled packages, we assume that installing an upgraded version 14848 // of the package implies that the user actually wants to run that new code, 14849 // so we enable the package. 14850 PackageSetting ps = mSettings.mPackages.get(pkgName); 14851 final int userId = user.getIdentifier(); 14852 if (ps != null) { 14853 if (isSystemApp(newPackage)) { 14854 if (DEBUG_INSTALL) { 14855 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14856 } 14857 // Enable system package for requested users 14858 if (res.origUsers != null) { 14859 for (int origUserId : res.origUsers) { 14860 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14861 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14862 origUserId, installerPackageName); 14863 } 14864 } 14865 } 14866 // Also convey the prior install/uninstall state 14867 if (allUsers != null && installedForUsers != null) { 14868 for (int currentUserId : allUsers) { 14869 final boolean installed = ArrayUtils.contains( 14870 installedForUsers, currentUserId); 14871 if (DEBUG_INSTALL) { 14872 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14873 } 14874 ps.setInstalled(installed, currentUserId); 14875 } 14876 // these install state changes will be persisted in the 14877 // upcoming call to mSettings.writeLPr(). 14878 } 14879 } 14880 // It's implied that when a user requests installation, they want the app to be 14881 // installed and enabled. 14882 if (userId != UserHandle.USER_ALL) { 14883 ps.setInstalled(true, userId); 14884 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14885 } 14886 } 14887 res.name = pkgName; 14888 res.uid = newPackage.applicationInfo.uid; 14889 res.pkg = newPackage; 14890 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14891 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14892 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14893 //to update install status 14894 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14895 mSettings.writeLPr(); 14896 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14897 } 14898 14899 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14900 } 14901 14902 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14903 try { 14904 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14905 installPackageLI(args, res); 14906 } finally { 14907 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14908 } 14909 } 14910 14911 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14912 final int installFlags = args.installFlags; 14913 final String installerPackageName = args.installerPackageName; 14914 final String volumeUuid = args.volumeUuid; 14915 final File tmpPackageFile = new File(args.getCodePath()); 14916 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14917 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14918 || (args.volumeUuid != null)); 14919 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14920 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14921 boolean replace = false; 14922 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14923 if (args.move != null) { 14924 // moving a complete application; perform an initial scan on the new install location 14925 scanFlags |= SCAN_INITIAL; 14926 } 14927 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14928 scanFlags |= SCAN_DONT_KILL_APP; 14929 } 14930 14931 // Result object to be returned 14932 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14933 14934 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14935 14936 // Sanity check 14937 if (ephemeral && (forwardLocked || onExternal)) { 14938 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14939 + " external=" + onExternal); 14940 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14941 return; 14942 } 14943 14944 // Retrieve PackageSettings and parse package 14945 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14946 | PackageParser.PARSE_ENFORCE_CODE 14947 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14948 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14949 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14950 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14951 PackageParser pp = new PackageParser(); 14952 pp.setSeparateProcesses(mSeparateProcesses); 14953 pp.setDisplayMetrics(mMetrics); 14954 14955 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14956 final PackageParser.Package pkg; 14957 try { 14958 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14959 } catch (PackageParserException e) { 14960 res.setError("Failed parse during installPackageLI", e); 14961 return; 14962 } finally { 14963 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14964 } 14965 14966 // If we are installing a clustered package add results for the children 14967 if (pkg.childPackages != null) { 14968 synchronized (mPackages) { 14969 final int childCount = pkg.childPackages.size(); 14970 for (int i = 0; i < childCount; i++) { 14971 PackageParser.Package childPkg = pkg.childPackages.get(i); 14972 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14973 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14974 childRes.pkg = childPkg; 14975 childRes.name = childPkg.packageName; 14976 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14977 if (childPs != null) { 14978 childRes.origUsers = childPs.queryInstalledUsers( 14979 sUserManager.getUserIds(), true); 14980 } 14981 if ((mPackages.containsKey(childPkg.packageName))) { 14982 childRes.removedInfo = new PackageRemovedInfo(); 14983 childRes.removedInfo.removedPackage = childPkg.packageName; 14984 } 14985 if (res.addedChildPackages == null) { 14986 res.addedChildPackages = new ArrayMap<>(); 14987 } 14988 res.addedChildPackages.put(childPkg.packageName, childRes); 14989 } 14990 } 14991 } 14992 14993 // If package doesn't declare API override, mark that we have an install 14994 // time CPU ABI override. 14995 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14996 pkg.cpuAbiOverride = args.abiOverride; 14997 } 14998 14999 String pkgName = res.name = pkg.packageName; 15000 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15001 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15002 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15003 return; 15004 } 15005 } 15006 15007 try { 15008 // either use what we've been given or parse directly from the APK 15009 if (args.certificates != null) { 15010 try { 15011 PackageParser.populateCertificates(pkg, args.certificates); 15012 } catch (PackageParserException e) { 15013 // there was something wrong with the certificates we were given; 15014 // try to pull them from the APK 15015 PackageParser.collectCertificates(pkg, parseFlags); 15016 } 15017 } else { 15018 PackageParser.collectCertificates(pkg, parseFlags); 15019 } 15020 } catch (PackageParserException e) { 15021 res.setError("Failed collect during installPackageLI", e); 15022 return; 15023 } 15024 15025 // Get rid of all references to package scan path via parser. 15026 pp = null; 15027 String oldCodePath = null; 15028 boolean systemApp = false; 15029 synchronized (mPackages) { 15030 // Check if installing already existing package 15031 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15032 String oldName = mSettings.mRenamedPackages.get(pkgName); 15033 if (pkg.mOriginalPackages != null 15034 && pkg.mOriginalPackages.contains(oldName) 15035 && mPackages.containsKey(oldName)) { 15036 // This package is derived from an original package, 15037 // and this device has been updating from that original 15038 // name. We must continue using the original name, so 15039 // rename the new package here. 15040 pkg.setPackageName(oldName); 15041 pkgName = pkg.packageName; 15042 replace = true; 15043 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15044 + oldName + " pkgName=" + pkgName); 15045 } else if (mPackages.containsKey(pkgName)) { 15046 // This package, under its official name, already exists 15047 // on the device; we should replace it. 15048 replace = true; 15049 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15050 } 15051 15052 // Child packages are installed through the parent package 15053 if (pkg.parentPackage != null) { 15054 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15055 "Package " + pkg.packageName + " is child of package " 15056 + pkg.parentPackage.parentPackage + ". Child packages " 15057 + "can be updated only through the parent package."); 15058 return; 15059 } 15060 15061 if (replace) { 15062 // Prevent apps opting out from runtime permissions 15063 PackageParser.Package oldPackage = mPackages.get(pkgName); 15064 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15065 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15066 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15067 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15068 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15069 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15070 + " doesn't support runtime permissions but the old" 15071 + " target SDK " + oldTargetSdk + " does."); 15072 return; 15073 } 15074 15075 // Prevent installing of child packages 15076 if (oldPackage.parentPackage != null) { 15077 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15078 "Package " + pkg.packageName + " is child of package " 15079 + oldPackage.parentPackage + ". Child packages " 15080 + "can be updated only through the parent package."); 15081 return; 15082 } 15083 } 15084 } 15085 15086 PackageSetting ps = mSettings.mPackages.get(pkgName); 15087 if (ps != null) { 15088 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15089 15090 // Quick sanity check that we're signed correctly if updating; 15091 // we'll check this again later when scanning, but we want to 15092 // bail early here before tripping over redefined permissions. 15093 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15094 if (!checkUpgradeKeySetLP(ps, pkg)) { 15095 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15096 + pkg.packageName + " upgrade keys do not match the " 15097 + "previously installed version"); 15098 return; 15099 } 15100 } else { 15101 try { 15102 verifySignaturesLP(ps, pkg); 15103 } catch (PackageManagerException e) { 15104 res.setError(e.error, e.getMessage()); 15105 return; 15106 } 15107 } 15108 15109 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15110 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15111 systemApp = (ps.pkg.applicationInfo.flags & 15112 ApplicationInfo.FLAG_SYSTEM) != 0; 15113 } 15114 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15115 } 15116 15117 // Check whether the newly-scanned package wants to define an already-defined perm 15118 int N = pkg.permissions.size(); 15119 for (int i = N-1; i >= 0; i--) { 15120 PackageParser.Permission perm = pkg.permissions.get(i); 15121 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15122 if (bp != null) { 15123 // If the defining package is signed with our cert, it's okay. This 15124 // also includes the "updating the same package" case, of course. 15125 // "updating same package" could also involve key-rotation. 15126 final boolean sigsOk; 15127 if (bp.sourcePackage.equals(pkg.packageName) 15128 && (bp.packageSetting instanceof PackageSetting) 15129 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15130 scanFlags))) { 15131 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15132 } else { 15133 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15134 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15135 } 15136 if (!sigsOk) { 15137 // If the owning package is the system itself, we log but allow 15138 // install to proceed; we fail the install on all other permission 15139 // redefinitions. 15140 if (!bp.sourcePackage.equals("android")) { 15141 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15142 + pkg.packageName + " attempting to redeclare permission " 15143 + perm.info.name + " already owned by " + bp.sourcePackage); 15144 res.origPermission = perm.info.name; 15145 res.origPackage = bp.sourcePackage; 15146 return; 15147 } else { 15148 Slog.w(TAG, "Package " + pkg.packageName 15149 + " attempting to redeclare system permission " 15150 + perm.info.name + "; ignoring new declaration"); 15151 pkg.permissions.remove(i); 15152 } 15153 } 15154 } 15155 } 15156 } 15157 15158 if (systemApp) { 15159 if (onExternal) { 15160 // Abort update; system app can't be replaced with app on sdcard 15161 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15162 "Cannot install updates to system apps on sdcard"); 15163 return; 15164 } else if (ephemeral) { 15165 // Abort update; system app can't be replaced with an ephemeral app 15166 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15167 "Cannot update a system app with an ephemeral app"); 15168 return; 15169 } 15170 } 15171 15172 if (args.move != null) { 15173 // We did an in-place move, so dex is ready to roll 15174 scanFlags |= SCAN_NO_DEX; 15175 scanFlags |= SCAN_MOVE; 15176 15177 synchronized (mPackages) { 15178 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15179 if (ps == null) { 15180 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15181 "Missing settings for moved package " + pkgName); 15182 } 15183 15184 // We moved the entire application as-is, so bring over the 15185 // previously derived ABI information. 15186 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15187 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15188 } 15189 15190 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15191 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15192 scanFlags |= SCAN_NO_DEX; 15193 15194 try { 15195 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15196 args.abiOverride : pkg.cpuAbiOverride); 15197 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15198 true /* extract libs */); 15199 } catch (PackageManagerException pme) { 15200 Slog.e(TAG, "Error deriving application ABI", pme); 15201 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15202 return; 15203 } 15204 15205 // Shared libraries for the package need to be updated. 15206 synchronized (mPackages) { 15207 try { 15208 updateSharedLibrariesLPw(pkg, null); 15209 } catch (PackageManagerException e) { 15210 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15211 } 15212 } 15213 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15214 // Do not run PackageDexOptimizer through the local performDexOpt 15215 // method because `pkg` may not be in `mPackages` yet. 15216 // 15217 // Also, don't fail application installs if the dexopt step fails. 15218 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15219 null /* instructionSets */, false /* checkProfiles */, 15220 getCompilerFilterForReason(REASON_INSTALL)); 15221 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15222 15223 // Notify BackgroundDexOptService that the package has been changed. 15224 // If this is an update of a package which used to fail to compile, 15225 // BDOS will remove it from its blacklist. 15226 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15227 } 15228 15229 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15230 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15231 return; 15232 } 15233 15234 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15235 15236 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15237 "installPackageLI")) { 15238 if (replace) { 15239 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15240 installerPackageName, res); 15241 } else { 15242 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15243 args.user, installerPackageName, volumeUuid, res); 15244 } 15245 } 15246 synchronized (mPackages) { 15247 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15248 if (ps != null) { 15249 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15250 } 15251 15252 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15253 for (int i = 0; i < childCount; i++) { 15254 PackageParser.Package childPkg = pkg.childPackages.get(i); 15255 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15256 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15257 if (childPs != null) { 15258 childRes.newUsers = childPs.queryInstalledUsers( 15259 sUserManager.getUserIds(), true); 15260 } 15261 } 15262 } 15263 } 15264 15265 private void startIntentFilterVerifications(int userId, boolean replacing, 15266 PackageParser.Package pkg) { 15267 if (mIntentFilterVerifierComponent == null) { 15268 Slog.w(TAG, "No IntentFilter verification will not be done as " 15269 + "there is no IntentFilterVerifier available!"); 15270 return; 15271 } 15272 15273 final int verifierUid = getPackageUid( 15274 mIntentFilterVerifierComponent.getPackageName(), 15275 MATCH_DEBUG_TRIAGED_MISSING, 15276 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15277 15278 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15279 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15280 mHandler.sendMessage(msg); 15281 15282 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15283 for (int i = 0; i < childCount; i++) { 15284 PackageParser.Package childPkg = pkg.childPackages.get(i); 15285 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15286 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15287 mHandler.sendMessage(msg); 15288 } 15289 } 15290 15291 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15292 PackageParser.Package pkg) { 15293 int size = pkg.activities.size(); 15294 if (size == 0) { 15295 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15296 "No activity, so no need to verify any IntentFilter!"); 15297 return; 15298 } 15299 15300 final boolean hasDomainURLs = hasDomainURLs(pkg); 15301 if (!hasDomainURLs) { 15302 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15303 "No domain URLs, so no need to verify any IntentFilter!"); 15304 return; 15305 } 15306 15307 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15308 + " if any IntentFilter from the " + size 15309 + " Activities needs verification ..."); 15310 15311 int count = 0; 15312 final String packageName = pkg.packageName; 15313 15314 synchronized (mPackages) { 15315 // If this is a new install and we see that we've already run verification for this 15316 // package, we have nothing to do: it means the state was restored from backup. 15317 if (!replacing) { 15318 IntentFilterVerificationInfo ivi = 15319 mSettings.getIntentFilterVerificationLPr(packageName); 15320 if (ivi != null) { 15321 if (DEBUG_DOMAIN_VERIFICATION) { 15322 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15323 + ivi.getStatusString()); 15324 } 15325 return; 15326 } 15327 } 15328 15329 // If any filters need to be verified, then all need to be. 15330 boolean needToVerify = false; 15331 for (PackageParser.Activity a : pkg.activities) { 15332 for (ActivityIntentInfo filter : a.intents) { 15333 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15334 if (DEBUG_DOMAIN_VERIFICATION) { 15335 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15336 } 15337 needToVerify = true; 15338 break; 15339 } 15340 } 15341 } 15342 15343 if (needToVerify) { 15344 final int verificationId = mIntentFilterVerificationToken++; 15345 for (PackageParser.Activity a : pkg.activities) { 15346 for (ActivityIntentInfo filter : a.intents) { 15347 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15348 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15349 "Verification needed for IntentFilter:" + filter.toString()); 15350 mIntentFilterVerifier.addOneIntentFilterVerification( 15351 verifierUid, userId, verificationId, filter, packageName); 15352 count++; 15353 } 15354 } 15355 } 15356 } 15357 } 15358 15359 if (count > 0) { 15360 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15361 + " IntentFilter verification" + (count > 1 ? "s" : "") 15362 + " for userId:" + userId); 15363 mIntentFilterVerifier.startVerifications(userId); 15364 } else { 15365 if (DEBUG_DOMAIN_VERIFICATION) { 15366 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15367 } 15368 } 15369 } 15370 15371 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15372 final ComponentName cn = filter.activity.getComponentName(); 15373 final String packageName = cn.getPackageName(); 15374 15375 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15376 packageName); 15377 if (ivi == null) { 15378 return true; 15379 } 15380 int status = ivi.getStatus(); 15381 switch (status) { 15382 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15383 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15384 return true; 15385 15386 default: 15387 // Nothing to do 15388 return false; 15389 } 15390 } 15391 15392 private static boolean isMultiArch(ApplicationInfo info) { 15393 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15394 } 15395 15396 private static boolean isExternal(PackageParser.Package pkg) { 15397 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15398 } 15399 15400 private static boolean isExternal(PackageSetting ps) { 15401 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15402 } 15403 15404 private static boolean isEphemeral(PackageParser.Package pkg) { 15405 return pkg.applicationInfo.isEphemeralApp(); 15406 } 15407 15408 private static boolean isEphemeral(PackageSetting ps) { 15409 return ps.pkg != null && isEphemeral(ps.pkg); 15410 } 15411 15412 private static boolean isSystemApp(PackageParser.Package pkg) { 15413 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15414 } 15415 15416 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15417 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15418 } 15419 15420 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15421 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15422 } 15423 15424 private static boolean isSystemApp(PackageSetting ps) { 15425 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15426 } 15427 15428 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15429 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15430 } 15431 15432 private int packageFlagsToInstallFlags(PackageSetting ps) { 15433 int installFlags = 0; 15434 if (isEphemeral(ps)) { 15435 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15436 } 15437 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15438 // This existing package was an external ASEC install when we have 15439 // the external flag without a UUID 15440 installFlags |= PackageManager.INSTALL_EXTERNAL; 15441 } 15442 if (ps.isForwardLocked()) { 15443 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15444 } 15445 return installFlags; 15446 } 15447 15448 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15449 if (isExternal(pkg)) { 15450 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15451 return StorageManager.UUID_PRIMARY_PHYSICAL; 15452 } else { 15453 return pkg.volumeUuid; 15454 } 15455 } else { 15456 return StorageManager.UUID_PRIVATE_INTERNAL; 15457 } 15458 } 15459 15460 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15461 if (isExternal(pkg)) { 15462 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15463 return mSettings.getExternalVersion(); 15464 } else { 15465 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15466 } 15467 } else { 15468 return mSettings.getInternalVersion(); 15469 } 15470 } 15471 15472 private void deleteTempPackageFiles() { 15473 final FilenameFilter filter = new FilenameFilter() { 15474 public boolean accept(File dir, String name) { 15475 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15476 } 15477 }; 15478 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15479 file.delete(); 15480 } 15481 } 15482 15483 @Override 15484 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15485 int flags) { 15486 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15487 flags); 15488 } 15489 15490 @Override 15491 public void deletePackage(final String packageName, 15492 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15493 mContext.enforceCallingOrSelfPermission( 15494 android.Manifest.permission.DELETE_PACKAGES, null); 15495 Preconditions.checkNotNull(packageName); 15496 Preconditions.checkNotNull(observer); 15497 final int uid = Binder.getCallingUid(); 15498 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15499 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15500 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15501 mContext.enforceCallingOrSelfPermission( 15502 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15503 "deletePackage for user " + userId); 15504 } 15505 15506 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15507 try { 15508 observer.onPackageDeleted(packageName, 15509 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15510 } catch (RemoteException re) { 15511 } 15512 return; 15513 } 15514 15515 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15516 try { 15517 observer.onPackageDeleted(packageName, 15518 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15519 } catch (RemoteException re) { 15520 } 15521 return; 15522 } 15523 15524 if (DEBUG_REMOVE) { 15525 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15526 + " deleteAllUsers: " + deleteAllUsers ); 15527 } 15528 // Queue up an async operation since the package deletion may take a little while. 15529 mHandler.post(new Runnable() { 15530 public void run() { 15531 mHandler.removeCallbacks(this); 15532 int returnCode; 15533 if (!deleteAllUsers) { 15534 returnCode = deletePackageX(packageName, userId, deleteFlags); 15535 } else { 15536 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15537 // If nobody is blocking uninstall, proceed with delete for all users 15538 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15539 returnCode = deletePackageX(packageName, userId, deleteFlags); 15540 } else { 15541 // Otherwise uninstall individually for users with blockUninstalls=false 15542 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15543 for (int userId : users) { 15544 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15545 returnCode = deletePackageX(packageName, userId, userFlags); 15546 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15547 Slog.w(TAG, "Package delete failed for user " + userId 15548 + ", returnCode " + returnCode); 15549 } 15550 } 15551 } 15552 // The app has only been marked uninstalled for certain users. 15553 // We still need to report that delete was blocked 15554 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15555 } 15556 } 15557 try { 15558 observer.onPackageDeleted(packageName, returnCode, null); 15559 } catch (RemoteException e) { 15560 Log.i(TAG, "Observer no longer exists."); 15561 } //end catch 15562 } //end run 15563 }); 15564 } 15565 15566 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15567 int[] result = EMPTY_INT_ARRAY; 15568 for (int userId : userIds) { 15569 if (getBlockUninstallForUser(packageName, userId)) { 15570 result = ArrayUtils.appendInt(result, userId); 15571 } 15572 } 15573 return result; 15574 } 15575 15576 @Override 15577 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15578 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15579 } 15580 15581 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15582 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15583 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15584 try { 15585 if (dpm != null) { 15586 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15587 /* callingUserOnly =*/ false); 15588 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15589 : deviceOwnerComponentName.getPackageName(); 15590 // Does the package contains the device owner? 15591 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15592 // this check is probably not needed, since DO should be registered as a device 15593 // admin on some user too. (Original bug for this: b/17657954) 15594 if (packageName.equals(deviceOwnerPackageName)) { 15595 return true; 15596 } 15597 // Does it contain a device admin for any user? 15598 int[] users; 15599 if (userId == UserHandle.USER_ALL) { 15600 users = sUserManager.getUserIds(); 15601 } else { 15602 users = new int[]{userId}; 15603 } 15604 for (int i = 0; i < users.length; ++i) { 15605 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15606 return true; 15607 } 15608 } 15609 } 15610 } catch (RemoteException e) { 15611 } 15612 return false; 15613 } 15614 15615 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15616 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15617 } 15618 15619 /** 15620 * This method is an internal method that could be get invoked either 15621 * to delete an installed package or to clean up a failed installation. 15622 * After deleting an installed package, a broadcast is sent to notify any 15623 * listeners that the package has been removed. For cleaning up a failed 15624 * installation, the broadcast is not necessary since the package's 15625 * installation wouldn't have sent the initial broadcast either 15626 * The key steps in deleting a package are 15627 * deleting the package information in internal structures like mPackages, 15628 * deleting the packages base directories through installd 15629 * updating mSettings to reflect current status 15630 * persisting settings for later use 15631 * sending a broadcast if necessary 15632 */ 15633 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15634 final PackageRemovedInfo info = new PackageRemovedInfo(); 15635 final boolean res; 15636 15637 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15638 ? UserHandle.USER_ALL : userId; 15639 15640 if (isPackageDeviceAdmin(packageName, removeUser)) { 15641 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15642 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15643 } 15644 15645 PackageSetting uninstalledPs = null; 15646 15647 // for the uninstall-updates case and restricted profiles, remember the per- 15648 // user handle installed state 15649 int[] allUsers; 15650 synchronized (mPackages) { 15651 uninstalledPs = mSettings.mPackages.get(packageName); 15652 if (uninstalledPs == null) { 15653 Slog.w(TAG, "Not removing non-existent package " + packageName); 15654 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15655 } 15656 allUsers = sUserManager.getUserIds(); 15657 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15658 } 15659 15660 final int freezeUser; 15661 if (isUpdatedSystemApp(uninstalledPs) 15662 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15663 // We're downgrading a system app, which will apply to all users, so 15664 // freeze them all during the downgrade 15665 freezeUser = UserHandle.USER_ALL; 15666 } else { 15667 freezeUser = removeUser; 15668 } 15669 15670 synchronized (mInstallLock) { 15671 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15672 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15673 deleteFlags, "deletePackageX")) { 15674 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15675 deleteFlags | REMOVE_CHATTY, info, true, null); 15676 } 15677 synchronized (mPackages) { 15678 if (res) { 15679 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15680 } 15681 } 15682 } 15683 15684 if (res) { 15685 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15686 info.sendPackageRemovedBroadcasts(killApp); 15687 info.sendSystemPackageUpdatedBroadcasts(); 15688 info.sendSystemPackageAppearedBroadcasts(); 15689 } 15690 // Force a gc here. 15691 Runtime.getRuntime().gc(); 15692 // Delete the resources here after sending the broadcast to let 15693 // other processes clean up before deleting resources. 15694 if (info.args != null) { 15695 synchronized (mInstallLock) { 15696 info.args.doPostDeleteLI(true); 15697 } 15698 } 15699 15700 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15701 } 15702 15703 class PackageRemovedInfo { 15704 String removedPackage; 15705 int uid = -1; 15706 int removedAppId = -1; 15707 int[] origUsers; 15708 int[] removedUsers = null; 15709 boolean isRemovedPackageSystemUpdate = false; 15710 boolean isUpdate; 15711 boolean dataRemoved; 15712 boolean removedForAllUsers; 15713 // Clean up resources deleted packages. 15714 InstallArgs args = null; 15715 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15716 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15717 15718 void sendPackageRemovedBroadcasts(boolean killApp) { 15719 sendPackageRemovedBroadcastInternal(killApp); 15720 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15721 for (int i = 0; i < childCount; i++) { 15722 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15723 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15724 } 15725 } 15726 15727 void sendSystemPackageUpdatedBroadcasts() { 15728 if (isRemovedPackageSystemUpdate) { 15729 sendSystemPackageUpdatedBroadcastsInternal(); 15730 final int childCount = (removedChildPackages != null) 15731 ? removedChildPackages.size() : 0; 15732 for (int i = 0; i < childCount; i++) { 15733 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15734 if (childInfo.isRemovedPackageSystemUpdate) { 15735 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15736 } 15737 } 15738 } 15739 } 15740 15741 void sendSystemPackageAppearedBroadcasts() { 15742 final int packageCount = (appearedChildPackages != null) 15743 ? appearedChildPackages.size() : 0; 15744 for (int i = 0; i < packageCount; i++) { 15745 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15746 for (int userId : installedInfo.newUsers) { 15747 sendPackageAddedForUser(installedInfo.name, true, 15748 UserHandle.getAppId(installedInfo.uid), userId); 15749 } 15750 } 15751 } 15752 15753 private void sendSystemPackageUpdatedBroadcastsInternal() { 15754 Bundle extras = new Bundle(2); 15755 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15756 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15757 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15758 extras, 0, null, null, null); 15759 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15760 extras, 0, null, null, null); 15761 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15762 null, 0, removedPackage, null, null); 15763 } 15764 15765 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15766 Bundle extras = new Bundle(2); 15767 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15768 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15769 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15770 if (isUpdate || isRemovedPackageSystemUpdate) { 15771 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15772 } 15773 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15774 if (removedPackage != null) { 15775 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15776 extras, 0, null, null, removedUsers); 15777 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15778 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15779 removedPackage, extras, 0, null, null, removedUsers); 15780 } 15781 } 15782 if (removedAppId >= 0) { 15783 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15784 removedUsers); 15785 } 15786 } 15787 } 15788 15789 /* 15790 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15791 * flag is not set, the data directory is removed as well. 15792 * make sure this flag is set for partially installed apps. If not its meaningless to 15793 * delete a partially installed application. 15794 */ 15795 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15796 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15797 String packageName = ps.name; 15798 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15799 // Retrieve object to delete permissions for shared user later on 15800 final PackageParser.Package deletedPkg; 15801 final PackageSetting deletedPs; 15802 // reader 15803 synchronized (mPackages) { 15804 deletedPkg = mPackages.get(packageName); 15805 deletedPs = mSettings.mPackages.get(packageName); 15806 if (outInfo != null) { 15807 outInfo.removedPackage = packageName; 15808 outInfo.removedUsers = deletedPs != null 15809 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15810 : null; 15811 } 15812 } 15813 15814 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15815 15816 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15817 final PackageParser.Package resolvedPkg; 15818 if (deletedPkg != null) { 15819 resolvedPkg = deletedPkg; 15820 } else { 15821 // We don't have a parsed package when it lives on an ejected 15822 // adopted storage device, so fake something together 15823 resolvedPkg = new PackageParser.Package(ps.name); 15824 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15825 } 15826 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15827 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15828 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15829 if (outInfo != null) { 15830 outInfo.dataRemoved = true; 15831 } 15832 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15833 } 15834 15835 // writer 15836 synchronized (mPackages) { 15837 if (deletedPs != null) { 15838 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15839 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15840 clearDefaultBrowserIfNeeded(packageName); 15841 if (outInfo != null) { 15842 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15843 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15844 } 15845 updatePermissionsLPw(deletedPs.name, null, 0); 15846 if (deletedPs.sharedUser != null) { 15847 // Remove permissions associated with package. Since runtime 15848 // permissions are per user we have to kill the removed package 15849 // or packages running under the shared user of the removed 15850 // package if revoking the permissions requested only by the removed 15851 // package is successful and this causes a change in gids. 15852 for (int userId : UserManagerService.getInstance().getUserIds()) { 15853 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15854 userId); 15855 if (userIdToKill == UserHandle.USER_ALL 15856 || userIdToKill >= UserHandle.USER_SYSTEM) { 15857 // If gids changed for this user, kill all affected packages. 15858 mHandler.post(new Runnable() { 15859 @Override 15860 public void run() { 15861 // This has to happen with no lock held. 15862 killApplication(deletedPs.name, deletedPs.appId, 15863 KILL_APP_REASON_GIDS_CHANGED); 15864 } 15865 }); 15866 break; 15867 } 15868 } 15869 } 15870 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15871 } 15872 // make sure to preserve per-user disabled state if this removal was just 15873 // a downgrade of a system app to the factory package 15874 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15875 if (DEBUG_REMOVE) { 15876 Slog.d(TAG, "Propagating install state across downgrade"); 15877 } 15878 for (int userId : allUserHandles) { 15879 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15880 if (DEBUG_REMOVE) { 15881 Slog.d(TAG, " user " + userId + " => " + installed); 15882 } 15883 ps.setInstalled(installed, userId); 15884 } 15885 } 15886 } 15887 // can downgrade to reader 15888 if (writeSettings) { 15889 // Save settings now 15890 mSettings.writeLPr(); 15891 } 15892 } 15893 if (outInfo != null) { 15894 // A user ID was deleted here. Go through all users and remove it 15895 // from KeyStore. 15896 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15897 } 15898 } 15899 15900 static boolean locationIsPrivileged(File path) { 15901 try { 15902 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15903 .getCanonicalPath(); 15904 return path.getCanonicalPath().startsWith(privilegedAppDir); 15905 } catch (IOException e) { 15906 Slog.e(TAG, "Unable to access code path " + path); 15907 } 15908 return false; 15909 } 15910 15911 /* 15912 * Tries to delete system package. 15913 */ 15914 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15915 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15916 boolean writeSettings) { 15917 if (deletedPs.parentPackageName != null) { 15918 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15919 return false; 15920 } 15921 15922 final boolean applyUserRestrictions 15923 = (allUserHandles != null) && (outInfo.origUsers != null); 15924 final PackageSetting disabledPs; 15925 // Confirm if the system package has been updated 15926 // An updated system app can be deleted. This will also have to restore 15927 // the system pkg from system partition 15928 // reader 15929 synchronized (mPackages) { 15930 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15931 } 15932 15933 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15934 + " disabledPs=" + disabledPs); 15935 15936 if (disabledPs == null) { 15937 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15938 return false; 15939 } else if (DEBUG_REMOVE) { 15940 Slog.d(TAG, "Deleting system pkg from data partition"); 15941 } 15942 15943 if (DEBUG_REMOVE) { 15944 if (applyUserRestrictions) { 15945 Slog.d(TAG, "Remembering install states:"); 15946 for (int userId : allUserHandles) { 15947 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15948 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15949 } 15950 } 15951 } 15952 15953 // Delete the updated package 15954 outInfo.isRemovedPackageSystemUpdate = true; 15955 if (outInfo.removedChildPackages != null) { 15956 final int childCount = (deletedPs.childPackageNames != null) 15957 ? deletedPs.childPackageNames.size() : 0; 15958 for (int i = 0; i < childCount; i++) { 15959 String childPackageName = deletedPs.childPackageNames.get(i); 15960 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15961 .contains(childPackageName)) { 15962 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15963 childPackageName); 15964 if (childInfo != null) { 15965 childInfo.isRemovedPackageSystemUpdate = true; 15966 } 15967 } 15968 } 15969 } 15970 15971 if (disabledPs.versionCode < deletedPs.versionCode) { 15972 // Delete data for downgrades 15973 flags &= ~PackageManager.DELETE_KEEP_DATA; 15974 } else { 15975 // Preserve data by setting flag 15976 flags |= PackageManager.DELETE_KEEP_DATA; 15977 } 15978 15979 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15980 outInfo, writeSettings, disabledPs.pkg); 15981 if (!ret) { 15982 return false; 15983 } 15984 15985 // writer 15986 synchronized (mPackages) { 15987 // Reinstate the old system package 15988 enableSystemPackageLPw(disabledPs.pkg); 15989 // Remove any native libraries from the upgraded package. 15990 removeNativeBinariesLI(deletedPs); 15991 } 15992 15993 // Install the system package 15994 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15995 int parseFlags = mDefParseFlags 15996 | PackageParser.PARSE_MUST_BE_APK 15997 | PackageParser.PARSE_IS_SYSTEM 15998 | PackageParser.PARSE_IS_SYSTEM_DIR; 15999 if (locationIsPrivileged(disabledPs.codePath)) { 16000 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16001 } 16002 16003 final PackageParser.Package newPkg; 16004 try { 16005 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 16006 } catch (PackageManagerException e) { 16007 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16008 + e.getMessage()); 16009 return false; 16010 } 16011 16012 prepareAppDataAfterInstallLIF(newPkg); 16013 16014 // writer 16015 synchronized (mPackages) { 16016 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16017 16018 // Propagate the permissions state as we do not want to drop on the floor 16019 // runtime permissions. The update permissions method below will take 16020 // care of removing obsolete permissions and grant install permissions. 16021 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16022 updatePermissionsLPw(newPkg.packageName, newPkg, 16023 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16024 16025 if (applyUserRestrictions) { 16026 if (DEBUG_REMOVE) { 16027 Slog.d(TAG, "Propagating install state across reinstall"); 16028 } 16029 for (int userId : allUserHandles) { 16030 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16031 if (DEBUG_REMOVE) { 16032 Slog.d(TAG, " user " + userId + " => " + installed); 16033 } 16034 ps.setInstalled(installed, userId); 16035 16036 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16037 } 16038 // Regardless of writeSettings we need to ensure that this restriction 16039 // state propagation is persisted 16040 mSettings.writeAllUsersPackageRestrictionsLPr(); 16041 } 16042 // can downgrade to reader here 16043 if (writeSettings) { 16044 mSettings.writeLPr(); 16045 } 16046 } 16047 return true; 16048 } 16049 16050 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16051 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16052 PackageRemovedInfo outInfo, boolean writeSettings, 16053 PackageParser.Package replacingPackage) { 16054 synchronized (mPackages) { 16055 if (outInfo != null) { 16056 outInfo.uid = ps.appId; 16057 } 16058 16059 if (outInfo != null && outInfo.removedChildPackages != null) { 16060 final int childCount = (ps.childPackageNames != null) 16061 ? ps.childPackageNames.size() : 0; 16062 for (int i = 0; i < childCount; i++) { 16063 String childPackageName = ps.childPackageNames.get(i); 16064 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16065 if (childPs == null) { 16066 return false; 16067 } 16068 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16069 childPackageName); 16070 if (childInfo != null) { 16071 childInfo.uid = childPs.appId; 16072 } 16073 } 16074 } 16075 } 16076 16077 // Delete package data from internal structures and also remove data if flag is set 16078 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16079 16080 // Delete the child packages data 16081 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16082 for (int i = 0; i < childCount; i++) { 16083 PackageSetting childPs; 16084 synchronized (mPackages) { 16085 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16086 } 16087 if (childPs != null) { 16088 PackageRemovedInfo childOutInfo = (outInfo != null 16089 && outInfo.removedChildPackages != null) 16090 ? outInfo.removedChildPackages.get(childPs.name) : null; 16091 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16092 && (replacingPackage != null 16093 && !replacingPackage.hasChildPackage(childPs.name)) 16094 ? flags & ~DELETE_KEEP_DATA : flags; 16095 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16096 deleteFlags, writeSettings); 16097 } 16098 } 16099 16100 // Delete application code and resources only for parent packages 16101 if (ps.parentPackageName == null) { 16102 if (deleteCodeAndResources && (outInfo != null)) { 16103 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16104 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16105 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16106 } 16107 } 16108 16109 return true; 16110 } 16111 16112 @Override 16113 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16114 int userId) { 16115 mContext.enforceCallingOrSelfPermission( 16116 android.Manifest.permission.DELETE_PACKAGES, null); 16117 synchronized (mPackages) { 16118 PackageSetting ps = mSettings.mPackages.get(packageName); 16119 if (ps == null) { 16120 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16121 return false; 16122 } 16123 if (!ps.getInstalled(userId)) { 16124 // Can't block uninstall for an app that is not installed or enabled. 16125 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16126 return false; 16127 } 16128 ps.setBlockUninstall(blockUninstall, userId); 16129 mSettings.writePackageRestrictionsLPr(userId); 16130 } 16131 return true; 16132 } 16133 16134 @Override 16135 public boolean getBlockUninstallForUser(String packageName, int userId) { 16136 synchronized (mPackages) { 16137 PackageSetting ps = mSettings.mPackages.get(packageName); 16138 if (ps == null) { 16139 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16140 return false; 16141 } 16142 return ps.getBlockUninstall(userId); 16143 } 16144 } 16145 16146 @Override 16147 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16148 int callingUid = Binder.getCallingUid(); 16149 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16150 throw new SecurityException( 16151 "setRequiredForSystemUser can only be run by the system or root"); 16152 } 16153 synchronized (mPackages) { 16154 PackageSetting ps = mSettings.mPackages.get(packageName); 16155 if (ps == null) { 16156 Log.w(TAG, "Package doesn't exist: " + packageName); 16157 return false; 16158 } 16159 if (systemUserApp) { 16160 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16161 } else { 16162 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16163 } 16164 mSettings.writeLPr(); 16165 } 16166 return true; 16167 } 16168 16169 /* 16170 * This method handles package deletion in general 16171 */ 16172 private boolean deletePackageLIF(String packageName, UserHandle user, 16173 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16174 PackageRemovedInfo outInfo, boolean writeSettings, 16175 PackageParser.Package replacingPackage) { 16176 if (packageName == null) { 16177 Slog.w(TAG, "Attempt to delete null packageName."); 16178 return false; 16179 } 16180 16181 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16182 16183 PackageSetting ps; 16184 16185 synchronized (mPackages) { 16186 ps = mSettings.mPackages.get(packageName); 16187 if (ps == null) { 16188 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16189 return false; 16190 } 16191 16192 if (ps.parentPackageName != null && (!isSystemApp(ps) 16193 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16194 if (DEBUG_REMOVE) { 16195 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16196 + ((user == null) ? UserHandle.USER_ALL : user)); 16197 } 16198 final int removedUserId = (user != null) ? user.getIdentifier() 16199 : UserHandle.USER_ALL; 16200 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16201 return false; 16202 } 16203 markPackageUninstalledForUserLPw(ps, user); 16204 scheduleWritePackageRestrictionsLocked(user); 16205 return true; 16206 } 16207 } 16208 16209 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16210 && user.getIdentifier() != UserHandle.USER_ALL)) { 16211 // The caller is asking that the package only be deleted for a single 16212 // user. To do this, we just mark its uninstalled state and delete 16213 // its data. If this is a system app, we only allow this to happen if 16214 // they have set the special DELETE_SYSTEM_APP which requests different 16215 // semantics than normal for uninstalling system apps. 16216 markPackageUninstalledForUserLPw(ps, user); 16217 16218 if (!isSystemApp(ps)) { 16219 // Do not uninstall the APK if an app should be cached 16220 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16221 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16222 // Other user still have this package installed, so all 16223 // we need to do is clear this user's data and save that 16224 // it is uninstalled. 16225 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16226 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16227 return false; 16228 } 16229 scheduleWritePackageRestrictionsLocked(user); 16230 return true; 16231 } else { 16232 // We need to set it back to 'installed' so the uninstall 16233 // broadcasts will be sent correctly. 16234 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16235 ps.setInstalled(true, user.getIdentifier()); 16236 } 16237 } else { 16238 // This is a system app, so we assume that the 16239 // other users still have this package installed, so all 16240 // we need to do is clear this user's data and save that 16241 // it is uninstalled. 16242 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16243 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16244 return false; 16245 } 16246 scheduleWritePackageRestrictionsLocked(user); 16247 return true; 16248 } 16249 } 16250 16251 // If we are deleting a composite package for all users, keep track 16252 // of result for each child. 16253 if (ps.childPackageNames != null && outInfo != null) { 16254 synchronized (mPackages) { 16255 final int childCount = ps.childPackageNames.size(); 16256 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16257 for (int i = 0; i < childCount; i++) { 16258 String childPackageName = ps.childPackageNames.get(i); 16259 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16260 childInfo.removedPackage = childPackageName; 16261 outInfo.removedChildPackages.put(childPackageName, childInfo); 16262 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16263 if (childPs != null) { 16264 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16265 } 16266 } 16267 } 16268 } 16269 16270 boolean ret = false; 16271 if (isSystemApp(ps)) { 16272 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16273 // When an updated system application is deleted we delete the existing resources 16274 // as well and fall back to existing code in system partition 16275 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16276 } else { 16277 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16278 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16279 outInfo, writeSettings, replacingPackage); 16280 } 16281 16282 // Take a note whether we deleted the package for all users 16283 if (outInfo != null) { 16284 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16285 if (outInfo.removedChildPackages != null) { 16286 synchronized (mPackages) { 16287 final int childCount = outInfo.removedChildPackages.size(); 16288 for (int i = 0; i < childCount; i++) { 16289 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16290 if (childInfo != null) { 16291 childInfo.removedForAllUsers = mPackages.get( 16292 childInfo.removedPackage) == null; 16293 } 16294 } 16295 } 16296 } 16297 // If we uninstalled an update to a system app there may be some 16298 // child packages that appeared as they are declared in the system 16299 // app but were not declared in the update. 16300 if (isSystemApp(ps)) { 16301 synchronized (mPackages) { 16302 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16303 final int childCount = (updatedPs.childPackageNames != null) 16304 ? updatedPs.childPackageNames.size() : 0; 16305 for (int i = 0; i < childCount; i++) { 16306 String childPackageName = updatedPs.childPackageNames.get(i); 16307 if (outInfo.removedChildPackages == null 16308 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16309 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16310 if (childPs == null) { 16311 continue; 16312 } 16313 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16314 installRes.name = childPackageName; 16315 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16316 installRes.pkg = mPackages.get(childPackageName); 16317 installRes.uid = childPs.pkg.applicationInfo.uid; 16318 if (outInfo.appearedChildPackages == null) { 16319 outInfo.appearedChildPackages = new ArrayMap<>(); 16320 } 16321 outInfo.appearedChildPackages.put(childPackageName, installRes); 16322 } 16323 } 16324 } 16325 } 16326 } 16327 16328 return ret; 16329 } 16330 16331 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16332 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16333 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16334 for (int nextUserId : userIds) { 16335 if (DEBUG_REMOVE) { 16336 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16337 } 16338 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16339 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16340 false /*hidden*/, false /*suspended*/, null, null, null, 16341 false /*blockUninstall*/, 16342 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16343 } 16344 } 16345 16346 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16347 PackageRemovedInfo outInfo) { 16348 final PackageParser.Package pkg; 16349 synchronized (mPackages) { 16350 pkg = mPackages.get(ps.name); 16351 } 16352 16353 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16354 : new int[] {userId}; 16355 for (int nextUserId : userIds) { 16356 if (DEBUG_REMOVE) { 16357 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16358 + nextUserId); 16359 } 16360 16361 destroyAppDataLIF(pkg, userId, 16362 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16363 destroyAppProfilesLIF(pkg, userId); 16364 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16365 schedulePackageCleaning(ps.name, nextUserId, false); 16366 synchronized (mPackages) { 16367 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16368 scheduleWritePackageRestrictionsLocked(nextUserId); 16369 } 16370 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16371 } 16372 } 16373 16374 if (outInfo != null) { 16375 outInfo.removedPackage = ps.name; 16376 outInfo.removedAppId = ps.appId; 16377 outInfo.removedUsers = userIds; 16378 } 16379 16380 return true; 16381 } 16382 16383 private final class ClearStorageConnection implements ServiceConnection { 16384 IMediaContainerService mContainerService; 16385 16386 @Override 16387 public void onServiceConnected(ComponentName name, IBinder service) { 16388 synchronized (this) { 16389 mContainerService = IMediaContainerService.Stub.asInterface(service); 16390 notifyAll(); 16391 } 16392 } 16393 16394 @Override 16395 public void onServiceDisconnected(ComponentName name) { 16396 } 16397 } 16398 16399 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16400 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16401 16402 final boolean mounted; 16403 if (Environment.isExternalStorageEmulated()) { 16404 mounted = true; 16405 } else { 16406 final String status = Environment.getExternalStorageState(); 16407 16408 mounted = status.equals(Environment.MEDIA_MOUNTED) 16409 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16410 } 16411 16412 if (!mounted) { 16413 return; 16414 } 16415 16416 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16417 int[] users; 16418 if (userId == UserHandle.USER_ALL) { 16419 users = sUserManager.getUserIds(); 16420 } else { 16421 users = new int[] { userId }; 16422 } 16423 final ClearStorageConnection conn = new ClearStorageConnection(); 16424 if (mContext.bindServiceAsUser( 16425 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16426 try { 16427 for (int curUser : users) { 16428 long timeout = SystemClock.uptimeMillis() + 5000; 16429 synchronized (conn) { 16430 long now; 16431 while (conn.mContainerService == null && 16432 (now = SystemClock.uptimeMillis()) < timeout) { 16433 try { 16434 conn.wait(timeout - now); 16435 } catch (InterruptedException e) { 16436 } 16437 } 16438 } 16439 if (conn.mContainerService == null) { 16440 return; 16441 } 16442 16443 final UserEnvironment userEnv = new UserEnvironment(curUser); 16444 clearDirectory(conn.mContainerService, 16445 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16446 if (allData) { 16447 clearDirectory(conn.mContainerService, 16448 userEnv.buildExternalStorageAppDataDirs(packageName)); 16449 clearDirectory(conn.mContainerService, 16450 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16451 } 16452 } 16453 } finally { 16454 mContext.unbindService(conn); 16455 } 16456 } 16457 } 16458 16459 @Override 16460 public void clearApplicationProfileData(String packageName) { 16461 enforceSystemOrRoot("Only the system can clear all profile data"); 16462 16463 final PackageParser.Package pkg; 16464 synchronized (mPackages) { 16465 pkg = mPackages.get(packageName); 16466 } 16467 16468 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16469 synchronized (mInstallLock) { 16470 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16471 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16472 true /* removeBaseMarker */); 16473 } 16474 } 16475 } 16476 16477 @Override 16478 public void clearApplicationUserData(final String packageName, 16479 final IPackageDataObserver observer, final int userId) { 16480 mContext.enforceCallingOrSelfPermission( 16481 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16482 16483 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16484 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16485 16486 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16487 throw new SecurityException("Cannot clear data for a protected package: " 16488 + packageName); 16489 } 16490 // Queue up an async operation since the package deletion may take a little while. 16491 mHandler.post(new Runnable() { 16492 public void run() { 16493 mHandler.removeCallbacks(this); 16494 final boolean succeeded; 16495 try (PackageFreezer freezer = freezePackage(packageName, 16496 "clearApplicationUserData")) { 16497 synchronized (mInstallLock) { 16498 succeeded = clearApplicationUserDataLIF(packageName, userId); 16499 } 16500 clearExternalStorageDataSync(packageName, userId, true); 16501 } 16502 if (succeeded) { 16503 // invoke DeviceStorageMonitor's update method to clear any notifications 16504 DeviceStorageMonitorInternal dsm = LocalServices 16505 .getService(DeviceStorageMonitorInternal.class); 16506 if (dsm != null) { 16507 dsm.checkMemory(); 16508 } 16509 } 16510 if(observer != null) { 16511 try { 16512 observer.onRemoveCompleted(packageName, succeeded); 16513 } catch (RemoteException e) { 16514 Log.i(TAG, "Observer no longer exists."); 16515 } 16516 } //end if observer 16517 } //end run 16518 }); 16519 } 16520 16521 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16522 if (packageName == null) { 16523 Slog.w(TAG, "Attempt to delete null packageName."); 16524 return false; 16525 } 16526 16527 // Try finding details about the requested package 16528 PackageParser.Package pkg; 16529 synchronized (mPackages) { 16530 pkg = mPackages.get(packageName); 16531 if (pkg == null) { 16532 final PackageSetting ps = mSettings.mPackages.get(packageName); 16533 if (ps != null) { 16534 pkg = ps.pkg; 16535 } 16536 } 16537 16538 if (pkg == null) { 16539 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16540 return false; 16541 } 16542 16543 PackageSetting ps = (PackageSetting) pkg.mExtras; 16544 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16545 } 16546 16547 clearAppDataLIF(pkg, userId, 16548 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16549 16550 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16551 removeKeystoreDataIfNeeded(userId, appId); 16552 16553 UserManagerInternal umInternal = getUserManagerInternal(); 16554 final int flags; 16555 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16556 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16557 } else if (umInternal.isUserRunning(userId)) { 16558 flags = StorageManager.FLAG_STORAGE_DE; 16559 } else { 16560 flags = 0; 16561 } 16562 prepareAppDataContentsLIF(pkg, userId, flags); 16563 16564 return true; 16565 } 16566 16567 /** 16568 * Reverts user permission state changes (permissions and flags) in 16569 * all packages for a given user. 16570 * 16571 * @param userId The device user for which to do a reset. 16572 */ 16573 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16574 final int packageCount = mPackages.size(); 16575 for (int i = 0; i < packageCount; i++) { 16576 PackageParser.Package pkg = mPackages.valueAt(i); 16577 PackageSetting ps = (PackageSetting) pkg.mExtras; 16578 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16579 } 16580 } 16581 16582 private void resetNetworkPolicies(int userId) { 16583 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16584 } 16585 16586 /** 16587 * Reverts user permission state changes (permissions and flags). 16588 * 16589 * @param ps The package for which to reset. 16590 * @param userId The device user for which to do a reset. 16591 */ 16592 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16593 final PackageSetting ps, final int userId) { 16594 if (ps.pkg == null) { 16595 return; 16596 } 16597 16598 // These are flags that can change base on user actions. 16599 final int userSettableMask = FLAG_PERMISSION_USER_SET 16600 | FLAG_PERMISSION_USER_FIXED 16601 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16602 | FLAG_PERMISSION_REVIEW_REQUIRED; 16603 16604 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16605 | FLAG_PERMISSION_POLICY_FIXED; 16606 16607 boolean writeInstallPermissions = false; 16608 boolean writeRuntimePermissions = false; 16609 16610 final int permissionCount = ps.pkg.requestedPermissions.size(); 16611 for (int i = 0; i < permissionCount; i++) { 16612 String permission = ps.pkg.requestedPermissions.get(i); 16613 16614 BasePermission bp = mSettings.mPermissions.get(permission); 16615 if (bp == null) { 16616 continue; 16617 } 16618 16619 // If shared user we just reset the state to which only this app contributed. 16620 if (ps.sharedUser != null) { 16621 boolean used = false; 16622 final int packageCount = ps.sharedUser.packages.size(); 16623 for (int j = 0; j < packageCount; j++) { 16624 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16625 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16626 && pkg.pkg.requestedPermissions.contains(permission)) { 16627 used = true; 16628 break; 16629 } 16630 } 16631 if (used) { 16632 continue; 16633 } 16634 } 16635 16636 PermissionsState permissionsState = ps.getPermissionsState(); 16637 16638 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16639 16640 // Always clear the user settable flags. 16641 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16642 bp.name) != null; 16643 // If permission review is enabled and this is a legacy app, mark the 16644 // permission as requiring a review as this is the initial state. 16645 int flags = 0; 16646 if (Build.PERMISSIONS_REVIEW_REQUIRED 16647 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16648 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16649 } 16650 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16651 if (hasInstallState) { 16652 writeInstallPermissions = true; 16653 } else { 16654 writeRuntimePermissions = true; 16655 } 16656 } 16657 16658 // Below is only runtime permission handling. 16659 if (!bp.isRuntime()) { 16660 continue; 16661 } 16662 16663 // Never clobber system or policy. 16664 if ((oldFlags & policyOrSystemFlags) != 0) { 16665 continue; 16666 } 16667 16668 // If this permission was granted by default, make sure it is. 16669 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16670 if (permissionsState.grantRuntimePermission(bp, userId) 16671 != PERMISSION_OPERATION_FAILURE) { 16672 writeRuntimePermissions = true; 16673 } 16674 // If permission review is enabled the permissions for a legacy apps 16675 // are represented as constantly granted runtime ones, so don't revoke. 16676 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16677 // Otherwise, reset the permission. 16678 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16679 switch (revokeResult) { 16680 case PERMISSION_OPERATION_SUCCESS: 16681 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16682 writeRuntimePermissions = true; 16683 final int appId = ps.appId; 16684 mHandler.post(new Runnable() { 16685 @Override 16686 public void run() { 16687 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16688 } 16689 }); 16690 } break; 16691 } 16692 } 16693 } 16694 16695 // Synchronously write as we are taking permissions away. 16696 if (writeRuntimePermissions) { 16697 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16698 } 16699 16700 // Synchronously write as we are taking permissions away. 16701 if (writeInstallPermissions) { 16702 mSettings.writeLPr(); 16703 } 16704 } 16705 16706 /** 16707 * Remove entries from the keystore daemon. Will only remove it if the 16708 * {@code appId} is valid. 16709 */ 16710 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16711 if (appId < 0) { 16712 return; 16713 } 16714 16715 final KeyStore keyStore = KeyStore.getInstance(); 16716 if (keyStore != null) { 16717 if (userId == UserHandle.USER_ALL) { 16718 for (final int individual : sUserManager.getUserIds()) { 16719 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16720 } 16721 } else { 16722 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16723 } 16724 } else { 16725 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16726 } 16727 } 16728 16729 @Override 16730 public void deleteApplicationCacheFiles(final String packageName, 16731 final IPackageDataObserver observer) { 16732 final int userId = UserHandle.getCallingUserId(); 16733 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16734 } 16735 16736 @Override 16737 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16738 final IPackageDataObserver observer) { 16739 mContext.enforceCallingOrSelfPermission( 16740 android.Manifest.permission.DELETE_CACHE_FILES, null); 16741 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16742 /* requireFullPermission= */ true, /* checkShell= */ false, 16743 "delete application cache files"); 16744 16745 final PackageParser.Package pkg; 16746 synchronized (mPackages) { 16747 pkg = mPackages.get(packageName); 16748 } 16749 16750 // Queue up an async operation since the package deletion may take a little while. 16751 mHandler.post(new Runnable() { 16752 public void run() { 16753 synchronized (mInstallLock) { 16754 final int flags = StorageManager.FLAG_STORAGE_DE 16755 | StorageManager.FLAG_STORAGE_CE; 16756 // We're only clearing cache files, so we don't care if the 16757 // app is unfrozen and still able to run 16758 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16759 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16760 } 16761 clearExternalStorageDataSync(packageName, userId, false); 16762 if (observer != null) { 16763 try { 16764 observer.onRemoveCompleted(packageName, true); 16765 } catch (RemoteException e) { 16766 Log.i(TAG, "Observer no longer exists."); 16767 } 16768 } 16769 } 16770 }); 16771 } 16772 16773 @Override 16774 public void getPackageSizeInfo(final String packageName, int userHandle, 16775 final IPackageStatsObserver observer) { 16776 mContext.enforceCallingOrSelfPermission( 16777 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16778 if (packageName == null) { 16779 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16780 } 16781 16782 PackageStats stats = new PackageStats(packageName, userHandle); 16783 16784 /* 16785 * Queue up an async operation since the package measurement may take a 16786 * little while. 16787 */ 16788 Message msg = mHandler.obtainMessage(INIT_COPY); 16789 msg.obj = new MeasureParams(stats, observer); 16790 mHandler.sendMessage(msg); 16791 } 16792 16793 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16794 final PackageSetting ps; 16795 synchronized (mPackages) { 16796 ps = mSettings.mPackages.get(packageName); 16797 if (ps == null) { 16798 Slog.w(TAG, "Failed to find settings for " + packageName); 16799 return false; 16800 } 16801 } 16802 try { 16803 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16804 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16805 ps.getCeDataInode(userId), ps.codePathString, stats); 16806 } catch (InstallerException e) { 16807 Slog.w(TAG, String.valueOf(e)); 16808 return false; 16809 } 16810 16811 // For now, ignore code size of packages on system partition 16812 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16813 stats.codeSize = 0; 16814 } 16815 16816 return true; 16817 } 16818 16819 private int getUidTargetSdkVersionLockedLPr(int uid) { 16820 Object obj = mSettings.getUserIdLPr(uid); 16821 if (obj instanceof SharedUserSetting) { 16822 final SharedUserSetting sus = (SharedUserSetting) obj; 16823 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16824 final Iterator<PackageSetting> it = sus.packages.iterator(); 16825 while (it.hasNext()) { 16826 final PackageSetting ps = it.next(); 16827 if (ps.pkg != null) { 16828 int v = ps.pkg.applicationInfo.targetSdkVersion; 16829 if (v < vers) vers = v; 16830 } 16831 } 16832 return vers; 16833 } else if (obj instanceof PackageSetting) { 16834 final PackageSetting ps = (PackageSetting) obj; 16835 if (ps.pkg != null) { 16836 return ps.pkg.applicationInfo.targetSdkVersion; 16837 } 16838 } 16839 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16840 } 16841 16842 @Override 16843 public void addPreferredActivity(IntentFilter filter, int match, 16844 ComponentName[] set, ComponentName activity, int userId) { 16845 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16846 "Adding preferred"); 16847 } 16848 16849 private void addPreferredActivityInternal(IntentFilter filter, int match, 16850 ComponentName[] set, ComponentName activity, boolean always, int userId, 16851 String opname) { 16852 // writer 16853 int callingUid = Binder.getCallingUid(); 16854 enforceCrossUserPermission(callingUid, userId, 16855 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16856 if (filter.countActions() == 0) { 16857 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16858 return; 16859 } 16860 synchronized (mPackages) { 16861 if (mContext.checkCallingOrSelfPermission( 16862 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16863 != PackageManager.PERMISSION_GRANTED) { 16864 if (getUidTargetSdkVersionLockedLPr(callingUid) 16865 < Build.VERSION_CODES.FROYO) { 16866 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16867 + callingUid); 16868 return; 16869 } 16870 mContext.enforceCallingOrSelfPermission( 16871 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16872 } 16873 16874 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16875 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16876 + userId + ":"); 16877 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16878 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16879 scheduleWritePackageRestrictionsLocked(userId); 16880 } 16881 } 16882 16883 @Override 16884 public void replacePreferredActivity(IntentFilter filter, int match, 16885 ComponentName[] set, ComponentName activity, int userId) { 16886 if (filter.countActions() != 1) { 16887 throw new IllegalArgumentException( 16888 "replacePreferredActivity expects filter to have only 1 action."); 16889 } 16890 if (filter.countDataAuthorities() != 0 16891 || filter.countDataPaths() != 0 16892 || filter.countDataSchemes() > 1 16893 || filter.countDataTypes() != 0) { 16894 throw new IllegalArgumentException( 16895 "replacePreferredActivity expects filter to have no data authorities, " + 16896 "paths, or types; and at most one scheme."); 16897 } 16898 16899 final int callingUid = Binder.getCallingUid(); 16900 enforceCrossUserPermission(callingUid, userId, 16901 true /* requireFullPermission */, false /* checkShell */, 16902 "replace preferred activity"); 16903 synchronized (mPackages) { 16904 if (mContext.checkCallingOrSelfPermission( 16905 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16906 != PackageManager.PERMISSION_GRANTED) { 16907 if (getUidTargetSdkVersionLockedLPr(callingUid) 16908 < Build.VERSION_CODES.FROYO) { 16909 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16910 + Binder.getCallingUid()); 16911 return; 16912 } 16913 mContext.enforceCallingOrSelfPermission( 16914 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16915 } 16916 16917 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16918 if (pir != null) { 16919 // Get all of the existing entries that exactly match this filter. 16920 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16921 if (existing != null && existing.size() == 1) { 16922 PreferredActivity cur = existing.get(0); 16923 if (DEBUG_PREFERRED) { 16924 Slog.i(TAG, "Checking replace of preferred:"); 16925 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16926 if (!cur.mPref.mAlways) { 16927 Slog.i(TAG, " -- CUR; not mAlways!"); 16928 } else { 16929 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16930 Slog.i(TAG, " -- CUR: mSet=" 16931 + Arrays.toString(cur.mPref.mSetComponents)); 16932 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16933 Slog.i(TAG, " -- NEW: mMatch=" 16934 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16935 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16936 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16937 } 16938 } 16939 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16940 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16941 && cur.mPref.sameSet(set)) { 16942 // Setting the preferred activity to what it happens to be already 16943 if (DEBUG_PREFERRED) { 16944 Slog.i(TAG, "Replacing with same preferred activity " 16945 + cur.mPref.mShortComponent + " for user " 16946 + userId + ":"); 16947 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16948 } 16949 return; 16950 } 16951 } 16952 16953 if (existing != null) { 16954 if (DEBUG_PREFERRED) { 16955 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16956 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16957 } 16958 for (int i = 0; i < existing.size(); i++) { 16959 PreferredActivity pa = existing.get(i); 16960 if (DEBUG_PREFERRED) { 16961 Slog.i(TAG, "Removing existing preferred activity " 16962 + pa.mPref.mComponent + ":"); 16963 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16964 } 16965 pir.removeFilter(pa); 16966 } 16967 } 16968 } 16969 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16970 "Replacing preferred"); 16971 } 16972 } 16973 16974 @Override 16975 public void clearPackagePreferredActivities(String packageName) { 16976 final int uid = Binder.getCallingUid(); 16977 // writer 16978 synchronized (mPackages) { 16979 PackageParser.Package pkg = mPackages.get(packageName); 16980 if (pkg == null || pkg.applicationInfo.uid != uid) { 16981 if (mContext.checkCallingOrSelfPermission( 16982 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16983 != PackageManager.PERMISSION_GRANTED) { 16984 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16985 < Build.VERSION_CODES.FROYO) { 16986 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16987 + Binder.getCallingUid()); 16988 return; 16989 } 16990 mContext.enforceCallingOrSelfPermission( 16991 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16992 } 16993 } 16994 16995 int user = UserHandle.getCallingUserId(); 16996 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16997 scheduleWritePackageRestrictionsLocked(user); 16998 } 16999 } 17000 } 17001 17002 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17003 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17004 ArrayList<PreferredActivity> removed = null; 17005 boolean changed = false; 17006 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17007 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17008 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17009 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17010 continue; 17011 } 17012 Iterator<PreferredActivity> it = pir.filterIterator(); 17013 while (it.hasNext()) { 17014 PreferredActivity pa = it.next(); 17015 // Mark entry for removal only if it matches the package name 17016 // and the entry is of type "always". 17017 if (packageName == null || 17018 (pa.mPref.mComponent.getPackageName().equals(packageName) 17019 && pa.mPref.mAlways)) { 17020 if (removed == null) { 17021 removed = new ArrayList<PreferredActivity>(); 17022 } 17023 removed.add(pa); 17024 } 17025 } 17026 if (removed != null) { 17027 for (int j=0; j<removed.size(); j++) { 17028 PreferredActivity pa = removed.get(j); 17029 pir.removeFilter(pa); 17030 } 17031 changed = true; 17032 } 17033 } 17034 return changed; 17035 } 17036 17037 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17038 private void clearIntentFilterVerificationsLPw(int userId) { 17039 final int packageCount = mPackages.size(); 17040 for (int i = 0; i < packageCount; i++) { 17041 PackageParser.Package pkg = mPackages.valueAt(i); 17042 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17043 } 17044 } 17045 17046 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17047 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17048 if (userId == UserHandle.USER_ALL) { 17049 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17050 sUserManager.getUserIds())) { 17051 for (int oneUserId : sUserManager.getUserIds()) { 17052 scheduleWritePackageRestrictionsLocked(oneUserId); 17053 } 17054 } 17055 } else { 17056 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17057 scheduleWritePackageRestrictionsLocked(userId); 17058 } 17059 } 17060 } 17061 17062 void clearDefaultBrowserIfNeeded(String packageName) { 17063 for (int oneUserId : sUserManager.getUserIds()) { 17064 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17065 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17066 if (packageName.equals(defaultBrowserPackageName)) { 17067 setDefaultBrowserPackageName(null, oneUserId); 17068 } 17069 } 17070 } 17071 17072 @Override 17073 public void resetApplicationPreferences(int userId) { 17074 mContext.enforceCallingOrSelfPermission( 17075 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17076 final long identity = Binder.clearCallingIdentity(); 17077 // writer 17078 try { 17079 synchronized (mPackages) { 17080 clearPackagePreferredActivitiesLPw(null, userId); 17081 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17082 // TODO: We have to reset the default SMS and Phone. This requires 17083 // significant refactoring to keep all default apps in the package 17084 // manager (cleaner but more work) or have the services provide 17085 // callbacks to the package manager to request a default app reset. 17086 applyFactoryDefaultBrowserLPw(userId); 17087 clearIntentFilterVerificationsLPw(userId); 17088 primeDomainVerificationsLPw(userId); 17089 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17090 scheduleWritePackageRestrictionsLocked(userId); 17091 } 17092 resetNetworkPolicies(userId); 17093 } finally { 17094 Binder.restoreCallingIdentity(identity); 17095 } 17096 } 17097 17098 @Override 17099 public int getPreferredActivities(List<IntentFilter> outFilters, 17100 List<ComponentName> outActivities, String packageName) { 17101 17102 int num = 0; 17103 final int userId = UserHandle.getCallingUserId(); 17104 // reader 17105 synchronized (mPackages) { 17106 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17107 if (pir != null) { 17108 final Iterator<PreferredActivity> it = pir.filterIterator(); 17109 while (it.hasNext()) { 17110 final PreferredActivity pa = it.next(); 17111 if (packageName == null 17112 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17113 && pa.mPref.mAlways)) { 17114 if (outFilters != null) { 17115 outFilters.add(new IntentFilter(pa)); 17116 } 17117 if (outActivities != null) { 17118 outActivities.add(pa.mPref.mComponent); 17119 } 17120 } 17121 } 17122 } 17123 } 17124 17125 return num; 17126 } 17127 17128 @Override 17129 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17130 int userId) { 17131 int callingUid = Binder.getCallingUid(); 17132 if (callingUid != Process.SYSTEM_UID) { 17133 throw new SecurityException( 17134 "addPersistentPreferredActivity can only be run by the system"); 17135 } 17136 if (filter.countActions() == 0) { 17137 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17138 return; 17139 } 17140 synchronized (mPackages) { 17141 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17142 ":"); 17143 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17144 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17145 new PersistentPreferredActivity(filter, activity)); 17146 scheduleWritePackageRestrictionsLocked(userId); 17147 } 17148 } 17149 17150 @Override 17151 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17152 int callingUid = Binder.getCallingUid(); 17153 if (callingUid != Process.SYSTEM_UID) { 17154 throw new SecurityException( 17155 "clearPackagePersistentPreferredActivities can only be run by the system"); 17156 } 17157 ArrayList<PersistentPreferredActivity> removed = null; 17158 boolean changed = false; 17159 synchronized (mPackages) { 17160 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17161 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17162 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17163 .valueAt(i); 17164 if (userId != thisUserId) { 17165 continue; 17166 } 17167 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17168 while (it.hasNext()) { 17169 PersistentPreferredActivity ppa = it.next(); 17170 // Mark entry for removal only if it matches the package name. 17171 if (ppa.mComponent.getPackageName().equals(packageName)) { 17172 if (removed == null) { 17173 removed = new ArrayList<PersistentPreferredActivity>(); 17174 } 17175 removed.add(ppa); 17176 } 17177 } 17178 if (removed != null) { 17179 for (int j=0; j<removed.size(); j++) { 17180 PersistentPreferredActivity ppa = removed.get(j); 17181 ppir.removeFilter(ppa); 17182 } 17183 changed = true; 17184 } 17185 } 17186 17187 if (changed) { 17188 scheduleWritePackageRestrictionsLocked(userId); 17189 } 17190 } 17191 } 17192 17193 /** 17194 * Common machinery for picking apart a restored XML blob and passing 17195 * it to a caller-supplied functor to be applied to the running system. 17196 */ 17197 private void restoreFromXml(XmlPullParser parser, int userId, 17198 String expectedStartTag, BlobXmlRestorer functor) 17199 throws IOException, XmlPullParserException { 17200 int type; 17201 while ((type = parser.next()) != XmlPullParser.START_TAG 17202 && type != XmlPullParser.END_DOCUMENT) { 17203 } 17204 if (type != XmlPullParser.START_TAG) { 17205 // oops didn't find a start tag?! 17206 if (DEBUG_BACKUP) { 17207 Slog.e(TAG, "Didn't find start tag during restore"); 17208 } 17209 return; 17210 } 17211Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17212 // this is supposed to be TAG_PREFERRED_BACKUP 17213 if (!expectedStartTag.equals(parser.getName())) { 17214 if (DEBUG_BACKUP) { 17215 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17216 } 17217 return; 17218 } 17219 17220 // skip interfering stuff, then we're aligned with the backing implementation 17221 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17222Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17223 functor.apply(parser, userId); 17224 } 17225 17226 private interface BlobXmlRestorer { 17227 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17228 } 17229 17230 /** 17231 * Non-Binder method, support for the backup/restore mechanism: write the 17232 * full set of preferred activities in its canonical XML format. Returns the 17233 * XML output as a byte array, or null if there is none. 17234 */ 17235 @Override 17236 public byte[] getPreferredActivityBackup(int userId) { 17237 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17238 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17239 } 17240 17241 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17242 try { 17243 final XmlSerializer serializer = new FastXmlSerializer(); 17244 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17245 serializer.startDocument(null, true); 17246 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17247 17248 synchronized (mPackages) { 17249 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17250 } 17251 17252 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17253 serializer.endDocument(); 17254 serializer.flush(); 17255 } catch (Exception e) { 17256 if (DEBUG_BACKUP) { 17257 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17258 } 17259 return null; 17260 } 17261 17262 return dataStream.toByteArray(); 17263 } 17264 17265 @Override 17266 public void restorePreferredActivities(byte[] backup, int userId) { 17267 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17268 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17269 } 17270 17271 try { 17272 final XmlPullParser parser = Xml.newPullParser(); 17273 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17274 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17275 new BlobXmlRestorer() { 17276 @Override 17277 public void apply(XmlPullParser parser, int userId) 17278 throws XmlPullParserException, IOException { 17279 synchronized (mPackages) { 17280 mSettings.readPreferredActivitiesLPw(parser, userId); 17281 } 17282 } 17283 } ); 17284 } catch (Exception e) { 17285 if (DEBUG_BACKUP) { 17286 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17287 } 17288 } 17289 } 17290 17291 /** 17292 * Non-Binder method, support for the backup/restore mechanism: write the 17293 * default browser (etc) settings in its canonical XML format. Returns the default 17294 * browser XML representation as a byte array, or null if there is none. 17295 */ 17296 @Override 17297 public byte[] getDefaultAppsBackup(int userId) { 17298 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17299 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17300 } 17301 17302 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17303 try { 17304 final XmlSerializer serializer = new FastXmlSerializer(); 17305 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17306 serializer.startDocument(null, true); 17307 serializer.startTag(null, TAG_DEFAULT_APPS); 17308 17309 synchronized (mPackages) { 17310 mSettings.writeDefaultAppsLPr(serializer, userId); 17311 } 17312 17313 serializer.endTag(null, TAG_DEFAULT_APPS); 17314 serializer.endDocument(); 17315 serializer.flush(); 17316 } catch (Exception e) { 17317 if (DEBUG_BACKUP) { 17318 Slog.e(TAG, "Unable to write default apps for backup", e); 17319 } 17320 return null; 17321 } 17322 17323 return dataStream.toByteArray(); 17324 } 17325 17326 @Override 17327 public void restoreDefaultApps(byte[] backup, int userId) { 17328 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17329 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17330 } 17331 17332 try { 17333 final XmlPullParser parser = Xml.newPullParser(); 17334 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17335 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17336 new BlobXmlRestorer() { 17337 @Override 17338 public void apply(XmlPullParser parser, int userId) 17339 throws XmlPullParserException, IOException { 17340 synchronized (mPackages) { 17341 mSettings.readDefaultAppsLPw(parser, userId); 17342 } 17343 } 17344 } ); 17345 } catch (Exception e) { 17346 if (DEBUG_BACKUP) { 17347 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17348 } 17349 } 17350 } 17351 17352 @Override 17353 public byte[] getIntentFilterVerificationBackup(int userId) { 17354 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17355 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17356 } 17357 17358 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17359 try { 17360 final XmlSerializer serializer = new FastXmlSerializer(); 17361 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17362 serializer.startDocument(null, true); 17363 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17364 17365 synchronized (mPackages) { 17366 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17367 } 17368 17369 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17370 serializer.endDocument(); 17371 serializer.flush(); 17372 } catch (Exception e) { 17373 if (DEBUG_BACKUP) { 17374 Slog.e(TAG, "Unable to write default apps for backup", e); 17375 } 17376 return null; 17377 } 17378 17379 return dataStream.toByteArray(); 17380 } 17381 17382 @Override 17383 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17384 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17385 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17386 } 17387 17388 try { 17389 final XmlPullParser parser = Xml.newPullParser(); 17390 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17391 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17392 new BlobXmlRestorer() { 17393 @Override 17394 public void apply(XmlPullParser parser, int userId) 17395 throws XmlPullParserException, IOException { 17396 synchronized (mPackages) { 17397 mSettings.readAllDomainVerificationsLPr(parser, userId); 17398 mSettings.writeLPr(); 17399 } 17400 } 17401 } ); 17402 } catch (Exception e) { 17403 if (DEBUG_BACKUP) { 17404 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17405 } 17406 } 17407 } 17408 17409 @Override 17410 public byte[] getPermissionGrantBackup(int userId) { 17411 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17412 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17413 } 17414 17415 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17416 try { 17417 final XmlSerializer serializer = new FastXmlSerializer(); 17418 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17419 serializer.startDocument(null, true); 17420 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17421 17422 synchronized (mPackages) { 17423 serializeRuntimePermissionGrantsLPr(serializer, userId); 17424 } 17425 17426 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17427 serializer.endDocument(); 17428 serializer.flush(); 17429 } catch (Exception e) { 17430 if (DEBUG_BACKUP) { 17431 Slog.e(TAG, "Unable to write default apps for backup", e); 17432 } 17433 return null; 17434 } 17435 17436 return dataStream.toByteArray(); 17437 } 17438 17439 @Override 17440 public void restorePermissionGrants(byte[] backup, int userId) { 17441 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17442 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17443 } 17444 17445 try { 17446 final XmlPullParser parser = Xml.newPullParser(); 17447 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17448 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17449 new BlobXmlRestorer() { 17450 @Override 17451 public void apply(XmlPullParser parser, int userId) 17452 throws XmlPullParserException, IOException { 17453 synchronized (mPackages) { 17454 processRestoredPermissionGrantsLPr(parser, userId); 17455 } 17456 } 17457 } ); 17458 } catch (Exception e) { 17459 if (DEBUG_BACKUP) { 17460 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17461 } 17462 } 17463 } 17464 17465 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17466 throws IOException { 17467 serializer.startTag(null, TAG_ALL_GRANTS); 17468 17469 final int N = mSettings.mPackages.size(); 17470 for (int i = 0; i < N; i++) { 17471 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17472 boolean pkgGrantsKnown = false; 17473 17474 PermissionsState packagePerms = ps.getPermissionsState(); 17475 17476 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17477 final int grantFlags = state.getFlags(); 17478 // only look at grants that are not system/policy fixed 17479 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17480 final boolean isGranted = state.isGranted(); 17481 // And only back up the user-twiddled state bits 17482 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17483 final String packageName = mSettings.mPackages.keyAt(i); 17484 if (!pkgGrantsKnown) { 17485 serializer.startTag(null, TAG_GRANT); 17486 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17487 pkgGrantsKnown = true; 17488 } 17489 17490 final boolean userSet = 17491 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17492 final boolean userFixed = 17493 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17494 final boolean revoke = 17495 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17496 17497 serializer.startTag(null, TAG_PERMISSION); 17498 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17499 if (isGranted) { 17500 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17501 } 17502 if (userSet) { 17503 serializer.attribute(null, ATTR_USER_SET, "true"); 17504 } 17505 if (userFixed) { 17506 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17507 } 17508 if (revoke) { 17509 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17510 } 17511 serializer.endTag(null, TAG_PERMISSION); 17512 } 17513 } 17514 } 17515 17516 if (pkgGrantsKnown) { 17517 serializer.endTag(null, TAG_GRANT); 17518 } 17519 } 17520 17521 serializer.endTag(null, TAG_ALL_GRANTS); 17522 } 17523 17524 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17525 throws XmlPullParserException, IOException { 17526 String pkgName = null; 17527 int outerDepth = parser.getDepth(); 17528 int type; 17529 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17530 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17531 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17532 continue; 17533 } 17534 17535 final String tagName = parser.getName(); 17536 if (tagName.equals(TAG_GRANT)) { 17537 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17538 if (DEBUG_BACKUP) { 17539 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17540 } 17541 } else if (tagName.equals(TAG_PERMISSION)) { 17542 17543 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17544 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17545 17546 int newFlagSet = 0; 17547 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17548 newFlagSet |= FLAG_PERMISSION_USER_SET; 17549 } 17550 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17551 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17552 } 17553 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17554 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17555 } 17556 if (DEBUG_BACKUP) { 17557 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17558 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17559 } 17560 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17561 if (ps != null) { 17562 // Already installed so we apply the grant immediately 17563 if (DEBUG_BACKUP) { 17564 Slog.v(TAG, " + already installed; applying"); 17565 } 17566 PermissionsState perms = ps.getPermissionsState(); 17567 BasePermission bp = mSettings.mPermissions.get(permName); 17568 if (bp != null) { 17569 if (isGranted) { 17570 perms.grantRuntimePermission(bp, userId); 17571 } 17572 if (newFlagSet != 0) { 17573 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17574 } 17575 } 17576 } else { 17577 // Need to wait for post-restore install to apply the grant 17578 if (DEBUG_BACKUP) { 17579 Slog.v(TAG, " - not yet installed; saving for later"); 17580 } 17581 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17582 isGranted, newFlagSet, userId); 17583 } 17584 } else { 17585 PackageManagerService.reportSettingsProblem(Log.WARN, 17586 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17587 XmlUtils.skipCurrentTag(parser); 17588 } 17589 } 17590 17591 scheduleWriteSettingsLocked(); 17592 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17593 } 17594 17595 @Override 17596 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17597 int sourceUserId, int targetUserId, int flags) { 17598 mContext.enforceCallingOrSelfPermission( 17599 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17600 int callingUid = Binder.getCallingUid(); 17601 enforceOwnerRights(ownerPackage, callingUid); 17602 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17603 if (intentFilter.countActions() == 0) { 17604 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17605 return; 17606 } 17607 synchronized (mPackages) { 17608 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17609 ownerPackage, targetUserId, flags); 17610 CrossProfileIntentResolver resolver = 17611 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17612 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17613 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17614 if (existing != null) { 17615 int size = existing.size(); 17616 for (int i = 0; i < size; i++) { 17617 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17618 return; 17619 } 17620 } 17621 } 17622 resolver.addFilter(newFilter); 17623 scheduleWritePackageRestrictionsLocked(sourceUserId); 17624 } 17625 } 17626 17627 @Override 17628 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17629 mContext.enforceCallingOrSelfPermission( 17630 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17631 int callingUid = Binder.getCallingUid(); 17632 enforceOwnerRights(ownerPackage, callingUid); 17633 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17634 synchronized (mPackages) { 17635 CrossProfileIntentResolver resolver = 17636 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17637 ArraySet<CrossProfileIntentFilter> set = 17638 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17639 for (CrossProfileIntentFilter filter : set) { 17640 if (filter.getOwnerPackage().equals(ownerPackage)) { 17641 resolver.removeFilter(filter); 17642 } 17643 } 17644 scheduleWritePackageRestrictionsLocked(sourceUserId); 17645 } 17646 } 17647 17648 // Enforcing that callingUid is owning pkg on userId 17649 private void enforceOwnerRights(String pkg, int callingUid) { 17650 // The system owns everything. 17651 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17652 return; 17653 } 17654 int callingUserId = UserHandle.getUserId(callingUid); 17655 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17656 if (pi == null) { 17657 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17658 + callingUserId); 17659 } 17660 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17661 throw new SecurityException("Calling uid " + callingUid 17662 + " does not own package " + pkg); 17663 } 17664 } 17665 17666 @Override 17667 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17668 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17669 } 17670 17671 private Intent getHomeIntent() { 17672 Intent intent = new Intent(Intent.ACTION_MAIN); 17673 intent.addCategory(Intent.CATEGORY_HOME); 17674 intent.addCategory(Intent.CATEGORY_DEFAULT); 17675 return intent; 17676 } 17677 17678 private IntentFilter getHomeFilter() { 17679 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17680 filter.addCategory(Intent.CATEGORY_HOME); 17681 filter.addCategory(Intent.CATEGORY_DEFAULT); 17682 return filter; 17683 } 17684 17685 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17686 int userId) { 17687 Intent intent = getHomeIntent(); 17688 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17689 PackageManager.GET_META_DATA, userId); 17690 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17691 true, false, false, userId); 17692 17693 allHomeCandidates.clear(); 17694 if (list != null) { 17695 for (ResolveInfo ri : list) { 17696 allHomeCandidates.add(ri); 17697 } 17698 } 17699 return (preferred == null || preferred.activityInfo == null) 17700 ? null 17701 : new ComponentName(preferred.activityInfo.packageName, 17702 preferred.activityInfo.name); 17703 } 17704 17705 @Override 17706 public void setHomeActivity(ComponentName comp, int userId) { 17707 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17708 getHomeActivitiesAsUser(homeActivities, userId); 17709 17710 boolean found = false; 17711 17712 final int size = homeActivities.size(); 17713 final ComponentName[] set = new ComponentName[size]; 17714 for (int i = 0; i < size; i++) { 17715 final ResolveInfo candidate = homeActivities.get(i); 17716 final ActivityInfo info = candidate.activityInfo; 17717 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17718 set[i] = activityName; 17719 if (!found && activityName.equals(comp)) { 17720 found = true; 17721 } 17722 } 17723 if (!found) { 17724 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17725 + userId); 17726 } 17727 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17728 set, comp, userId); 17729 } 17730 17731 private @Nullable String getSetupWizardPackageName() { 17732 final Intent intent = new Intent(Intent.ACTION_MAIN); 17733 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17734 17735 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17736 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17737 | MATCH_DISABLED_COMPONENTS, 17738 UserHandle.myUserId()); 17739 if (matches.size() == 1) { 17740 return matches.get(0).getComponentInfo().packageName; 17741 } else { 17742 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17743 + ": matches=" + matches); 17744 return null; 17745 } 17746 } 17747 17748 @Override 17749 public void setApplicationEnabledSetting(String appPackageName, 17750 int newState, int flags, int userId, String callingPackage) { 17751 if (!sUserManager.exists(userId)) return; 17752 if (callingPackage == null) { 17753 callingPackage = Integer.toString(Binder.getCallingUid()); 17754 } 17755 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17756 } 17757 17758 @Override 17759 public void setComponentEnabledSetting(ComponentName componentName, 17760 int newState, int flags, int userId) { 17761 if (!sUserManager.exists(userId)) return; 17762 setEnabledSetting(componentName.getPackageName(), 17763 componentName.getClassName(), newState, flags, userId, null); 17764 } 17765 17766 private void setEnabledSetting(final String packageName, String className, int newState, 17767 final int flags, int userId, String callingPackage) { 17768 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17769 || newState == COMPONENT_ENABLED_STATE_ENABLED 17770 || newState == COMPONENT_ENABLED_STATE_DISABLED 17771 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17772 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17773 throw new IllegalArgumentException("Invalid new component state: " 17774 + newState); 17775 } 17776 PackageSetting pkgSetting; 17777 final int uid = Binder.getCallingUid(); 17778 final int permission; 17779 if (uid == Process.SYSTEM_UID) { 17780 permission = PackageManager.PERMISSION_GRANTED; 17781 } else { 17782 permission = mContext.checkCallingOrSelfPermission( 17783 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17784 } 17785 enforceCrossUserPermission(uid, userId, 17786 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17787 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17788 boolean sendNow = false; 17789 boolean isApp = (className == null); 17790 String componentName = isApp ? packageName : className; 17791 int packageUid = -1; 17792 ArrayList<String> components; 17793 17794 // writer 17795 synchronized (mPackages) { 17796 pkgSetting = mSettings.mPackages.get(packageName); 17797 if (pkgSetting == null) { 17798 if (className == null) { 17799 throw new IllegalArgumentException("Unknown package: " + packageName); 17800 } 17801 throw new IllegalArgumentException( 17802 "Unknown component: " + packageName + "/" + className); 17803 } 17804 } 17805 17806 // Limit who can change which apps 17807 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17808 // Don't allow apps that don't have permission to modify other apps 17809 if (!allowedByPermission) { 17810 throw new SecurityException( 17811 "Permission Denial: attempt to change component state from pid=" 17812 + Binder.getCallingPid() 17813 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17814 } 17815 // Don't allow changing protected packages. 17816 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17817 throw new SecurityException("Cannot disable a protected package: " + packageName); 17818 } 17819 } 17820 17821 synchronized (mPackages) { 17822 if (uid == Process.SHELL_UID) { 17823 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17824 int oldState = pkgSetting.getEnabled(userId); 17825 if (className == null 17826 && 17827 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17828 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17829 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17830 && 17831 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17832 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17833 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17834 // ok 17835 } else { 17836 throw new SecurityException( 17837 "Shell cannot change component state for " + packageName + "/" 17838 + className + " to " + newState); 17839 } 17840 } 17841 if (className == null) { 17842 // We're dealing with an application/package level state change 17843 if (pkgSetting.getEnabled(userId) == newState) { 17844 // Nothing to do 17845 return; 17846 } 17847 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17848 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17849 // Don't care about who enables an app. 17850 callingPackage = null; 17851 } 17852 pkgSetting.setEnabled(newState, userId, callingPackage); 17853 // pkgSetting.pkg.mSetEnabled = newState; 17854 } else { 17855 // We're dealing with a component level state change 17856 // First, verify that this is a valid class name. 17857 PackageParser.Package pkg = pkgSetting.pkg; 17858 if (pkg == null || !pkg.hasComponentClassName(className)) { 17859 if (pkg != null && 17860 pkg.applicationInfo.targetSdkVersion >= 17861 Build.VERSION_CODES.JELLY_BEAN) { 17862 throw new IllegalArgumentException("Component class " + className 17863 + " does not exist in " + packageName); 17864 } else { 17865 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17866 + className + " does not exist in " + packageName); 17867 } 17868 } 17869 switch (newState) { 17870 case COMPONENT_ENABLED_STATE_ENABLED: 17871 if (!pkgSetting.enableComponentLPw(className, userId)) { 17872 return; 17873 } 17874 break; 17875 case COMPONENT_ENABLED_STATE_DISABLED: 17876 if (!pkgSetting.disableComponentLPw(className, userId)) { 17877 return; 17878 } 17879 break; 17880 case COMPONENT_ENABLED_STATE_DEFAULT: 17881 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17882 return; 17883 } 17884 break; 17885 default: 17886 Slog.e(TAG, "Invalid new component state: " + newState); 17887 return; 17888 } 17889 } 17890 scheduleWritePackageRestrictionsLocked(userId); 17891 components = mPendingBroadcasts.get(userId, packageName); 17892 final boolean newPackage = components == null; 17893 if (newPackage) { 17894 components = new ArrayList<String>(); 17895 } 17896 if (!components.contains(componentName)) { 17897 components.add(componentName); 17898 } 17899 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17900 sendNow = true; 17901 // Purge entry from pending broadcast list if another one exists already 17902 // since we are sending one right away. 17903 mPendingBroadcasts.remove(userId, packageName); 17904 } else { 17905 if (newPackage) { 17906 mPendingBroadcasts.put(userId, packageName, components); 17907 } 17908 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17909 // Schedule a message 17910 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17911 } 17912 } 17913 } 17914 17915 long callingId = Binder.clearCallingIdentity(); 17916 try { 17917 if (sendNow) { 17918 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17919 sendPackageChangedBroadcast(packageName, 17920 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17921 } 17922 } finally { 17923 Binder.restoreCallingIdentity(callingId); 17924 } 17925 } 17926 17927 @Override 17928 public void flushPackageRestrictionsAsUser(int userId) { 17929 if (!sUserManager.exists(userId)) { 17930 return; 17931 } 17932 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17933 false /* checkShell */, "flushPackageRestrictions"); 17934 synchronized (mPackages) { 17935 mSettings.writePackageRestrictionsLPr(userId); 17936 mDirtyUsers.remove(userId); 17937 if (mDirtyUsers.isEmpty()) { 17938 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17939 } 17940 } 17941 } 17942 17943 private void sendPackageChangedBroadcast(String packageName, 17944 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17945 if (DEBUG_INSTALL) 17946 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17947 + componentNames); 17948 Bundle extras = new Bundle(4); 17949 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17950 String nameList[] = new String[componentNames.size()]; 17951 componentNames.toArray(nameList); 17952 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17953 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17954 extras.putInt(Intent.EXTRA_UID, packageUid); 17955 // If this is not reporting a change of the overall package, then only send it 17956 // to registered receivers. We don't want to launch a swath of apps for every 17957 // little component state change. 17958 final int flags = !componentNames.contains(packageName) 17959 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17960 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17961 new int[] {UserHandle.getUserId(packageUid)}); 17962 } 17963 17964 @Override 17965 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17966 if (!sUserManager.exists(userId)) return; 17967 final int uid = Binder.getCallingUid(); 17968 final int permission = mContext.checkCallingOrSelfPermission( 17969 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17970 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17971 enforceCrossUserPermission(uid, userId, 17972 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17973 // writer 17974 synchronized (mPackages) { 17975 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17976 allowedByPermission, uid, userId)) { 17977 scheduleWritePackageRestrictionsLocked(userId); 17978 } 17979 } 17980 } 17981 17982 @Override 17983 public String getInstallerPackageName(String packageName) { 17984 // reader 17985 synchronized (mPackages) { 17986 return mSettings.getInstallerPackageNameLPr(packageName); 17987 } 17988 } 17989 17990 public boolean isOrphaned(String packageName) { 17991 // reader 17992 synchronized (mPackages) { 17993 return mSettings.isOrphaned(packageName); 17994 } 17995 } 17996 17997 @Override 17998 public int getApplicationEnabledSetting(String packageName, int userId) { 17999 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18000 int uid = Binder.getCallingUid(); 18001 enforceCrossUserPermission(uid, userId, 18002 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18003 // reader 18004 synchronized (mPackages) { 18005 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18006 } 18007 } 18008 18009 @Override 18010 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18011 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18012 int uid = Binder.getCallingUid(); 18013 enforceCrossUserPermission(uid, userId, 18014 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18015 // reader 18016 synchronized (mPackages) { 18017 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18018 } 18019 } 18020 18021 @Override 18022 public void enterSafeMode() { 18023 enforceSystemOrRoot("Only the system can request entering safe mode"); 18024 18025 if (!mSystemReady) { 18026 mSafeMode = true; 18027 } 18028 } 18029 18030 @Override 18031 public void systemReady() { 18032 mSystemReady = true; 18033 18034 // Read the compatibilty setting when the system is ready. 18035 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18036 mContext.getContentResolver(), 18037 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18038 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18039 if (DEBUG_SETTINGS) { 18040 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18041 } 18042 18043 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18044 18045 synchronized (mPackages) { 18046 // Verify that all of the preferred activity components actually 18047 // exist. It is possible for applications to be updated and at 18048 // that point remove a previously declared activity component that 18049 // had been set as a preferred activity. We try to clean this up 18050 // the next time we encounter that preferred activity, but it is 18051 // possible for the user flow to never be able to return to that 18052 // situation so here we do a sanity check to make sure we haven't 18053 // left any junk around. 18054 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18055 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18056 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18057 removed.clear(); 18058 for (PreferredActivity pa : pir.filterSet()) { 18059 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18060 removed.add(pa); 18061 } 18062 } 18063 if (removed.size() > 0) { 18064 for (int r=0; r<removed.size(); r++) { 18065 PreferredActivity pa = removed.get(r); 18066 Slog.w(TAG, "Removing dangling preferred activity: " 18067 + pa.mPref.mComponent); 18068 pir.removeFilter(pa); 18069 } 18070 mSettings.writePackageRestrictionsLPr( 18071 mSettings.mPreferredActivities.keyAt(i)); 18072 } 18073 } 18074 18075 for (int userId : UserManagerService.getInstance().getUserIds()) { 18076 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18077 grantPermissionsUserIds = ArrayUtils.appendInt( 18078 grantPermissionsUserIds, userId); 18079 } 18080 } 18081 } 18082 sUserManager.systemReady(); 18083 18084 // If we upgraded grant all default permissions before kicking off. 18085 for (int userId : grantPermissionsUserIds) { 18086 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18087 } 18088 18089 // Kick off any messages waiting for system ready 18090 if (mPostSystemReadyMessages != null) { 18091 for (Message msg : mPostSystemReadyMessages) { 18092 msg.sendToTarget(); 18093 } 18094 mPostSystemReadyMessages = null; 18095 } 18096 18097 // Watch for external volumes that come and go over time 18098 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18099 storage.registerListener(mStorageListener); 18100 18101 mInstallerService.systemReady(); 18102 mPackageDexOptimizer.systemReady(); 18103 18104 MountServiceInternal mountServiceInternal = LocalServices.getService( 18105 MountServiceInternal.class); 18106 mountServiceInternal.addExternalStoragePolicy( 18107 new MountServiceInternal.ExternalStorageMountPolicy() { 18108 @Override 18109 public int getMountMode(int uid, String packageName) { 18110 if (Process.isIsolated(uid)) { 18111 return Zygote.MOUNT_EXTERNAL_NONE; 18112 } 18113 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18114 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18115 } 18116 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18117 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18118 } 18119 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18120 return Zygote.MOUNT_EXTERNAL_READ; 18121 } 18122 return Zygote.MOUNT_EXTERNAL_WRITE; 18123 } 18124 18125 @Override 18126 public boolean hasExternalStorage(int uid, String packageName) { 18127 return true; 18128 } 18129 }); 18130 18131 // Now that we're mostly running, clean up stale users and apps 18132 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18133 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18134 } 18135 18136 @Override 18137 public boolean isSafeMode() { 18138 return mSafeMode; 18139 } 18140 18141 @Override 18142 public boolean hasSystemUidErrors() { 18143 return mHasSystemUidErrors; 18144 } 18145 18146 static String arrayToString(int[] array) { 18147 StringBuffer buf = new StringBuffer(128); 18148 buf.append('['); 18149 if (array != null) { 18150 for (int i=0; i<array.length; i++) { 18151 if (i > 0) buf.append(", "); 18152 buf.append(array[i]); 18153 } 18154 } 18155 buf.append(']'); 18156 return buf.toString(); 18157 } 18158 18159 static class DumpState { 18160 public static final int DUMP_LIBS = 1 << 0; 18161 public static final int DUMP_FEATURES = 1 << 1; 18162 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18163 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18164 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18165 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18166 public static final int DUMP_PERMISSIONS = 1 << 6; 18167 public static final int DUMP_PACKAGES = 1 << 7; 18168 public static final int DUMP_SHARED_USERS = 1 << 8; 18169 public static final int DUMP_MESSAGES = 1 << 9; 18170 public static final int DUMP_PROVIDERS = 1 << 10; 18171 public static final int DUMP_VERIFIERS = 1 << 11; 18172 public static final int DUMP_PREFERRED = 1 << 12; 18173 public static final int DUMP_PREFERRED_XML = 1 << 13; 18174 public static final int DUMP_KEYSETS = 1 << 14; 18175 public static final int DUMP_VERSION = 1 << 15; 18176 public static final int DUMP_INSTALLS = 1 << 16; 18177 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18178 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18179 public static final int DUMP_FROZEN = 1 << 19; 18180 public static final int DUMP_DEXOPT = 1 << 20; 18181 18182 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18183 18184 private int mTypes; 18185 18186 private int mOptions; 18187 18188 private boolean mTitlePrinted; 18189 18190 private SharedUserSetting mSharedUser; 18191 18192 public boolean isDumping(int type) { 18193 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18194 return true; 18195 } 18196 18197 return (mTypes & type) != 0; 18198 } 18199 18200 public void setDump(int type) { 18201 mTypes |= type; 18202 } 18203 18204 public boolean isOptionEnabled(int option) { 18205 return (mOptions & option) != 0; 18206 } 18207 18208 public void setOptionEnabled(int option) { 18209 mOptions |= option; 18210 } 18211 18212 public boolean onTitlePrinted() { 18213 final boolean printed = mTitlePrinted; 18214 mTitlePrinted = true; 18215 return printed; 18216 } 18217 18218 public boolean getTitlePrinted() { 18219 return mTitlePrinted; 18220 } 18221 18222 public void setTitlePrinted(boolean enabled) { 18223 mTitlePrinted = enabled; 18224 } 18225 18226 public SharedUserSetting getSharedUser() { 18227 return mSharedUser; 18228 } 18229 18230 public void setSharedUser(SharedUserSetting user) { 18231 mSharedUser = user; 18232 } 18233 } 18234 18235 @Override 18236 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18237 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18238 (new PackageManagerShellCommand(this)).exec( 18239 this, in, out, err, args, resultReceiver); 18240 } 18241 18242 @Override 18243 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18244 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18245 != PackageManager.PERMISSION_GRANTED) { 18246 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18247 + Binder.getCallingPid() 18248 + ", uid=" + Binder.getCallingUid() 18249 + " without permission " 18250 + android.Manifest.permission.DUMP); 18251 return; 18252 } 18253 18254 DumpState dumpState = new DumpState(); 18255 boolean fullPreferred = false; 18256 boolean checkin = false; 18257 18258 String packageName = null; 18259 ArraySet<String> permissionNames = null; 18260 18261 int opti = 0; 18262 while (opti < args.length) { 18263 String opt = args[opti]; 18264 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18265 break; 18266 } 18267 opti++; 18268 18269 if ("-a".equals(opt)) { 18270 // Right now we only know how to print all. 18271 } else if ("-h".equals(opt)) { 18272 pw.println("Package manager dump options:"); 18273 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18274 pw.println(" --checkin: dump for a checkin"); 18275 pw.println(" -f: print details of intent filters"); 18276 pw.println(" -h: print this help"); 18277 pw.println(" cmd may be one of:"); 18278 pw.println(" l[ibraries]: list known shared libraries"); 18279 pw.println(" f[eatures]: list device features"); 18280 pw.println(" k[eysets]: print known keysets"); 18281 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18282 pw.println(" perm[issions]: dump permissions"); 18283 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18284 pw.println(" pref[erred]: print preferred package settings"); 18285 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18286 pw.println(" prov[iders]: dump content providers"); 18287 pw.println(" p[ackages]: dump installed packages"); 18288 pw.println(" s[hared-users]: dump shared user IDs"); 18289 pw.println(" m[essages]: print collected runtime messages"); 18290 pw.println(" v[erifiers]: print package verifier info"); 18291 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18292 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18293 pw.println(" version: print database version info"); 18294 pw.println(" write: write current settings now"); 18295 pw.println(" installs: details about install sessions"); 18296 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18297 pw.println(" dexopt: dump dexopt state"); 18298 pw.println(" <package.name>: info about given package"); 18299 return; 18300 } else if ("--checkin".equals(opt)) { 18301 checkin = true; 18302 } else if ("-f".equals(opt)) { 18303 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18304 } else { 18305 pw.println("Unknown argument: " + opt + "; use -h for help"); 18306 } 18307 } 18308 18309 // Is the caller requesting to dump a particular piece of data? 18310 if (opti < args.length) { 18311 String cmd = args[opti]; 18312 opti++; 18313 // Is this a package name? 18314 if ("android".equals(cmd) || cmd.contains(".")) { 18315 packageName = cmd; 18316 // When dumping a single package, we always dump all of its 18317 // filter information since the amount of data will be reasonable. 18318 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18319 } else if ("check-permission".equals(cmd)) { 18320 if (opti >= args.length) { 18321 pw.println("Error: check-permission missing permission argument"); 18322 return; 18323 } 18324 String perm = args[opti]; 18325 opti++; 18326 if (opti >= args.length) { 18327 pw.println("Error: check-permission missing package argument"); 18328 return; 18329 } 18330 String pkg = args[opti]; 18331 opti++; 18332 int user = UserHandle.getUserId(Binder.getCallingUid()); 18333 if (opti < args.length) { 18334 try { 18335 user = Integer.parseInt(args[opti]); 18336 } catch (NumberFormatException e) { 18337 pw.println("Error: check-permission user argument is not a number: " 18338 + args[opti]); 18339 return; 18340 } 18341 } 18342 pw.println(checkPermission(perm, pkg, user)); 18343 return; 18344 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18345 dumpState.setDump(DumpState.DUMP_LIBS); 18346 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18347 dumpState.setDump(DumpState.DUMP_FEATURES); 18348 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18349 if (opti >= args.length) { 18350 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18351 | DumpState.DUMP_SERVICE_RESOLVERS 18352 | DumpState.DUMP_RECEIVER_RESOLVERS 18353 | DumpState.DUMP_CONTENT_RESOLVERS); 18354 } else { 18355 while (opti < args.length) { 18356 String name = args[opti]; 18357 if ("a".equals(name) || "activity".equals(name)) { 18358 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18359 } else if ("s".equals(name) || "service".equals(name)) { 18360 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18361 } else if ("r".equals(name) || "receiver".equals(name)) { 18362 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18363 } else if ("c".equals(name) || "content".equals(name)) { 18364 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18365 } else { 18366 pw.println("Error: unknown resolver table type: " + name); 18367 return; 18368 } 18369 opti++; 18370 } 18371 } 18372 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18373 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18374 } else if ("permission".equals(cmd)) { 18375 if (opti >= args.length) { 18376 pw.println("Error: permission requires permission name"); 18377 return; 18378 } 18379 permissionNames = new ArraySet<>(); 18380 while (opti < args.length) { 18381 permissionNames.add(args[opti]); 18382 opti++; 18383 } 18384 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18385 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18386 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18387 dumpState.setDump(DumpState.DUMP_PREFERRED); 18388 } else if ("preferred-xml".equals(cmd)) { 18389 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18390 if (opti < args.length && "--full".equals(args[opti])) { 18391 fullPreferred = true; 18392 opti++; 18393 } 18394 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18395 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18396 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18397 dumpState.setDump(DumpState.DUMP_PACKAGES); 18398 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18399 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18400 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18401 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18402 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18403 dumpState.setDump(DumpState.DUMP_MESSAGES); 18404 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18405 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18406 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18407 || "intent-filter-verifiers".equals(cmd)) { 18408 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18409 } else if ("version".equals(cmd)) { 18410 dumpState.setDump(DumpState.DUMP_VERSION); 18411 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18412 dumpState.setDump(DumpState.DUMP_KEYSETS); 18413 } else if ("installs".equals(cmd)) { 18414 dumpState.setDump(DumpState.DUMP_INSTALLS); 18415 } else if ("frozen".equals(cmd)) { 18416 dumpState.setDump(DumpState.DUMP_FROZEN); 18417 } else if ("dexopt".equals(cmd)) { 18418 dumpState.setDump(DumpState.DUMP_DEXOPT); 18419 } else if ("write".equals(cmd)) { 18420 synchronized (mPackages) { 18421 mSettings.writeLPr(); 18422 pw.println("Settings written."); 18423 return; 18424 } 18425 } 18426 } 18427 18428 if (checkin) { 18429 pw.println("vers,1"); 18430 } 18431 18432 // reader 18433 synchronized (mPackages) { 18434 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18435 if (!checkin) { 18436 if (dumpState.onTitlePrinted()) 18437 pw.println(); 18438 pw.println("Database versions:"); 18439 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18440 } 18441 } 18442 18443 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18444 if (!checkin) { 18445 if (dumpState.onTitlePrinted()) 18446 pw.println(); 18447 pw.println("Verifiers:"); 18448 pw.print(" Required: "); 18449 pw.print(mRequiredVerifierPackage); 18450 pw.print(" (uid="); 18451 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18452 UserHandle.USER_SYSTEM)); 18453 pw.println(")"); 18454 } else if (mRequiredVerifierPackage != null) { 18455 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18456 pw.print(","); 18457 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18458 UserHandle.USER_SYSTEM)); 18459 } 18460 } 18461 18462 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18463 packageName == null) { 18464 if (mIntentFilterVerifierComponent != null) { 18465 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18466 if (!checkin) { 18467 if (dumpState.onTitlePrinted()) 18468 pw.println(); 18469 pw.println("Intent Filter Verifier:"); 18470 pw.print(" Using: "); 18471 pw.print(verifierPackageName); 18472 pw.print(" (uid="); 18473 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18474 UserHandle.USER_SYSTEM)); 18475 pw.println(")"); 18476 } else if (verifierPackageName != null) { 18477 pw.print("ifv,"); pw.print(verifierPackageName); 18478 pw.print(","); 18479 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18480 UserHandle.USER_SYSTEM)); 18481 } 18482 } else { 18483 pw.println(); 18484 pw.println("No Intent Filter Verifier available!"); 18485 } 18486 } 18487 18488 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18489 boolean printedHeader = false; 18490 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18491 while (it.hasNext()) { 18492 String name = it.next(); 18493 SharedLibraryEntry ent = mSharedLibraries.get(name); 18494 if (!checkin) { 18495 if (!printedHeader) { 18496 if (dumpState.onTitlePrinted()) 18497 pw.println(); 18498 pw.println("Libraries:"); 18499 printedHeader = true; 18500 } 18501 pw.print(" "); 18502 } else { 18503 pw.print("lib,"); 18504 } 18505 pw.print(name); 18506 if (!checkin) { 18507 pw.print(" -> "); 18508 } 18509 if (ent.path != null) { 18510 if (!checkin) { 18511 pw.print("(jar) "); 18512 pw.print(ent.path); 18513 } else { 18514 pw.print(",jar,"); 18515 pw.print(ent.path); 18516 } 18517 } else { 18518 if (!checkin) { 18519 pw.print("(apk) "); 18520 pw.print(ent.apk); 18521 } else { 18522 pw.print(",apk,"); 18523 pw.print(ent.apk); 18524 } 18525 } 18526 pw.println(); 18527 } 18528 } 18529 18530 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18531 if (dumpState.onTitlePrinted()) 18532 pw.println(); 18533 if (!checkin) { 18534 pw.println("Features:"); 18535 } 18536 18537 for (FeatureInfo feat : mAvailableFeatures.values()) { 18538 if (checkin) { 18539 pw.print("feat,"); 18540 pw.print(feat.name); 18541 pw.print(","); 18542 pw.println(feat.version); 18543 } else { 18544 pw.print(" "); 18545 pw.print(feat.name); 18546 if (feat.version > 0) { 18547 pw.print(" version="); 18548 pw.print(feat.version); 18549 } 18550 pw.println(); 18551 } 18552 } 18553 } 18554 18555 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18556 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18557 : "Activity Resolver Table:", " ", packageName, 18558 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18559 dumpState.setTitlePrinted(true); 18560 } 18561 } 18562 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18563 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18564 : "Receiver Resolver Table:", " ", packageName, 18565 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18566 dumpState.setTitlePrinted(true); 18567 } 18568 } 18569 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18570 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18571 : "Service Resolver Table:", " ", packageName, 18572 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18573 dumpState.setTitlePrinted(true); 18574 } 18575 } 18576 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18577 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18578 : "Provider Resolver Table:", " ", packageName, 18579 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18580 dumpState.setTitlePrinted(true); 18581 } 18582 } 18583 18584 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18585 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18586 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18587 int user = mSettings.mPreferredActivities.keyAt(i); 18588 if (pir.dump(pw, 18589 dumpState.getTitlePrinted() 18590 ? "\nPreferred Activities User " + user + ":" 18591 : "Preferred Activities User " + user + ":", " ", 18592 packageName, true, false)) { 18593 dumpState.setTitlePrinted(true); 18594 } 18595 } 18596 } 18597 18598 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18599 pw.flush(); 18600 FileOutputStream fout = new FileOutputStream(fd); 18601 BufferedOutputStream str = new BufferedOutputStream(fout); 18602 XmlSerializer serializer = new FastXmlSerializer(); 18603 try { 18604 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18605 serializer.startDocument(null, true); 18606 serializer.setFeature( 18607 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18608 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18609 serializer.endDocument(); 18610 serializer.flush(); 18611 } catch (IllegalArgumentException e) { 18612 pw.println("Failed writing: " + e); 18613 } catch (IllegalStateException e) { 18614 pw.println("Failed writing: " + e); 18615 } catch (IOException e) { 18616 pw.println("Failed writing: " + e); 18617 } 18618 } 18619 18620 if (!checkin 18621 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18622 && packageName == null) { 18623 pw.println(); 18624 int count = mSettings.mPackages.size(); 18625 if (count == 0) { 18626 pw.println("No applications!"); 18627 pw.println(); 18628 } else { 18629 final String prefix = " "; 18630 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18631 if (allPackageSettings.size() == 0) { 18632 pw.println("No domain preferred apps!"); 18633 pw.println(); 18634 } else { 18635 pw.println("App verification status:"); 18636 pw.println(); 18637 count = 0; 18638 for (PackageSetting ps : allPackageSettings) { 18639 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18640 if (ivi == null || ivi.getPackageName() == null) continue; 18641 pw.println(prefix + "Package: " + ivi.getPackageName()); 18642 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18643 pw.println(prefix + "Status: " + ivi.getStatusString()); 18644 pw.println(); 18645 count++; 18646 } 18647 if (count == 0) { 18648 pw.println(prefix + "No app verification established."); 18649 pw.println(); 18650 } 18651 for (int userId : sUserManager.getUserIds()) { 18652 pw.println("App linkages for user " + userId + ":"); 18653 pw.println(); 18654 count = 0; 18655 for (PackageSetting ps : allPackageSettings) { 18656 final long status = ps.getDomainVerificationStatusForUser(userId); 18657 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18658 continue; 18659 } 18660 pw.println(prefix + "Package: " + ps.name); 18661 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18662 String statusStr = IntentFilterVerificationInfo. 18663 getStatusStringFromValue(status); 18664 pw.println(prefix + "Status: " + statusStr); 18665 pw.println(); 18666 count++; 18667 } 18668 if (count == 0) { 18669 pw.println(prefix + "No configured app linkages."); 18670 pw.println(); 18671 } 18672 } 18673 } 18674 } 18675 } 18676 18677 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18678 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18679 if (packageName == null && permissionNames == null) { 18680 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18681 if (iperm == 0) { 18682 if (dumpState.onTitlePrinted()) 18683 pw.println(); 18684 pw.println("AppOp Permissions:"); 18685 } 18686 pw.print(" AppOp Permission "); 18687 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18688 pw.println(":"); 18689 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18690 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18691 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18692 } 18693 } 18694 } 18695 } 18696 18697 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18698 boolean printedSomething = false; 18699 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18700 if (packageName != null && !packageName.equals(p.info.packageName)) { 18701 continue; 18702 } 18703 if (!printedSomething) { 18704 if (dumpState.onTitlePrinted()) 18705 pw.println(); 18706 pw.println("Registered ContentProviders:"); 18707 printedSomething = true; 18708 } 18709 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18710 pw.print(" "); pw.println(p.toString()); 18711 } 18712 printedSomething = false; 18713 for (Map.Entry<String, PackageParser.Provider> entry : 18714 mProvidersByAuthority.entrySet()) { 18715 PackageParser.Provider p = entry.getValue(); 18716 if (packageName != null && !packageName.equals(p.info.packageName)) { 18717 continue; 18718 } 18719 if (!printedSomething) { 18720 if (dumpState.onTitlePrinted()) 18721 pw.println(); 18722 pw.println("ContentProvider Authorities:"); 18723 printedSomething = true; 18724 } 18725 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18726 pw.print(" "); pw.println(p.toString()); 18727 if (p.info != null && p.info.applicationInfo != null) { 18728 final String appInfo = p.info.applicationInfo.toString(); 18729 pw.print(" applicationInfo="); pw.println(appInfo); 18730 } 18731 } 18732 } 18733 18734 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18735 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18736 } 18737 18738 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18739 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18740 } 18741 18742 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18743 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18744 } 18745 18746 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18747 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18748 } 18749 18750 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18751 // XXX should handle packageName != null by dumping only install data that 18752 // the given package is involved with. 18753 if (dumpState.onTitlePrinted()) pw.println(); 18754 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18755 } 18756 18757 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18758 // XXX should handle packageName != null by dumping only install data that 18759 // the given package is involved with. 18760 if (dumpState.onTitlePrinted()) pw.println(); 18761 18762 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18763 ipw.println(); 18764 ipw.println("Frozen packages:"); 18765 ipw.increaseIndent(); 18766 if (mFrozenPackages.size() == 0) { 18767 ipw.println("(none)"); 18768 } else { 18769 for (int i = 0; i < mFrozenPackages.size(); i++) { 18770 ipw.println(mFrozenPackages.valueAt(i)); 18771 } 18772 } 18773 ipw.decreaseIndent(); 18774 } 18775 18776 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18777 if (dumpState.onTitlePrinted()) pw.println(); 18778 dumpDexoptStateLPr(pw, packageName); 18779 } 18780 18781 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18782 if (dumpState.onTitlePrinted()) pw.println(); 18783 mSettings.dumpReadMessagesLPr(pw, dumpState); 18784 18785 pw.println(); 18786 pw.println("Package warning messages:"); 18787 BufferedReader in = null; 18788 String line = null; 18789 try { 18790 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18791 while ((line = in.readLine()) != null) { 18792 if (line.contains("ignored: updated version")) continue; 18793 pw.println(line); 18794 } 18795 } catch (IOException ignored) { 18796 } finally { 18797 IoUtils.closeQuietly(in); 18798 } 18799 } 18800 18801 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18802 BufferedReader in = null; 18803 String line = null; 18804 try { 18805 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18806 while ((line = in.readLine()) != null) { 18807 if (line.contains("ignored: updated version")) continue; 18808 pw.print("msg,"); 18809 pw.println(line); 18810 } 18811 } catch (IOException ignored) { 18812 } finally { 18813 IoUtils.closeQuietly(in); 18814 } 18815 } 18816 } 18817 } 18818 18819 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18820 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18821 ipw.println(); 18822 ipw.println("Dexopt state:"); 18823 ipw.increaseIndent(); 18824 Collection<PackageParser.Package> packages = null; 18825 if (packageName != null) { 18826 PackageParser.Package targetPackage = mPackages.get(packageName); 18827 if (targetPackage != null) { 18828 packages = Collections.singletonList(targetPackage); 18829 } else { 18830 ipw.println("Unable to find package: " + packageName); 18831 return; 18832 } 18833 } else { 18834 packages = mPackages.values(); 18835 } 18836 18837 for (PackageParser.Package pkg : packages) { 18838 ipw.println("[" + pkg.packageName + "]"); 18839 ipw.increaseIndent(); 18840 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18841 ipw.decreaseIndent(); 18842 } 18843 } 18844 18845 private String dumpDomainString(String packageName) { 18846 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18847 .getList(); 18848 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18849 18850 ArraySet<String> result = new ArraySet<>(); 18851 if (iviList.size() > 0) { 18852 for (IntentFilterVerificationInfo ivi : iviList) { 18853 for (String host : ivi.getDomains()) { 18854 result.add(host); 18855 } 18856 } 18857 } 18858 if (filters != null && filters.size() > 0) { 18859 for (IntentFilter filter : filters) { 18860 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18861 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18862 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18863 result.addAll(filter.getHostsList()); 18864 } 18865 } 18866 } 18867 18868 StringBuilder sb = new StringBuilder(result.size() * 16); 18869 for (String domain : result) { 18870 if (sb.length() > 0) sb.append(" "); 18871 sb.append(domain); 18872 } 18873 return sb.toString(); 18874 } 18875 18876 // ------- apps on sdcard specific code ------- 18877 static final boolean DEBUG_SD_INSTALL = false; 18878 18879 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18880 18881 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18882 18883 private boolean mMediaMounted = false; 18884 18885 static String getEncryptKey() { 18886 try { 18887 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18888 SD_ENCRYPTION_KEYSTORE_NAME); 18889 if (sdEncKey == null) { 18890 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18891 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18892 if (sdEncKey == null) { 18893 Slog.e(TAG, "Failed to create encryption keys"); 18894 return null; 18895 } 18896 } 18897 return sdEncKey; 18898 } catch (NoSuchAlgorithmException nsae) { 18899 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18900 return null; 18901 } catch (IOException ioe) { 18902 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18903 return null; 18904 } 18905 } 18906 18907 /* 18908 * Update media status on PackageManager. 18909 */ 18910 @Override 18911 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18912 int callingUid = Binder.getCallingUid(); 18913 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18914 throw new SecurityException("Media status can only be updated by the system"); 18915 } 18916 // reader; this apparently protects mMediaMounted, but should probably 18917 // be a different lock in that case. 18918 synchronized (mPackages) { 18919 Log.i(TAG, "Updating external media status from " 18920 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18921 + (mediaStatus ? "mounted" : "unmounted")); 18922 if (DEBUG_SD_INSTALL) 18923 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18924 + ", mMediaMounted=" + mMediaMounted); 18925 if (mediaStatus == mMediaMounted) { 18926 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18927 : 0, -1); 18928 mHandler.sendMessage(msg); 18929 return; 18930 } 18931 mMediaMounted = mediaStatus; 18932 } 18933 // Queue up an async operation since the package installation may take a 18934 // little while. 18935 mHandler.post(new Runnable() { 18936 public void run() { 18937 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18938 } 18939 }); 18940 } 18941 18942 /** 18943 * Called by MountService when the initial ASECs to scan are available. 18944 * Should block until all the ASEC containers are finished being scanned. 18945 */ 18946 public void scanAvailableAsecs() { 18947 updateExternalMediaStatusInner(true, false, false); 18948 } 18949 18950 /* 18951 * Collect information of applications on external media, map them against 18952 * existing containers and update information based on current mount status. 18953 * Please note that we always have to report status if reportStatus has been 18954 * set to true especially when unloading packages. 18955 */ 18956 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18957 boolean externalStorage) { 18958 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18959 int[] uidArr = EmptyArray.INT; 18960 18961 final String[] list = PackageHelper.getSecureContainerList(); 18962 if (ArrayUtils.isEmpty(list)) { 18963 Log.i(TAG, "No secure containers found"); 18964 } else { 18965 // Process list of secure containers and categorize them 18966 // as active or stale based on their package internal state. 18967 18968 // reader 18969 synchronized (mPackages) { 18970 for (String cid : list) { 18971 // Leave stages untouched for now; installer service owns them 18972 if (PackageInstallerService.isStageName(cid)) continue; 18973 18974 if (DEBUG_SD_INSTALL) 18975 Log.i(TAG, "Processing container " + cid); 18976 String pkgName = getAsecPackageName(cid); 18977 if (pkgName == null) { 18978 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18979 continue; 18980 } 18981 if (DEBUG_SD_INSTALL) 18982 Log.i(TAG, "Looking for pkg : " + pkgName); 18983 18984 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18985 if (ps == null) { 18986 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18987 continue; 18988 } 18989 18990 /* 18991 * Skip packages that are not external if we're unmounting 18992 * external storage. 18993 */ 18994 if (externalStorage && !isMounted && !isExternal(ps)) { 18995 continue; 18996 } 18997 18998 final AsecInstallArgs args = new AsecInstallArgs(cid, 18999 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19000 // The package status is changed only if the code path 19001 // matches between settings and the container id. 19002 if (ps.codePathString != null 19003 && ps.codePathString.startsWith(args.getCodePath())) { 19004 if (DEBUG_SD_INSTALL) { 19005 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19006 + " at code path: " + ps.codePathString); 19007 } 19008 19009 // We do have a valid package installed on sdcard 19010 processCids.put(args, ps.codePathString); 19011 final int uid = ps.appId; 19012 if (uid != -1) { 19013 uidArr = ArrayUtils.appendInt(uidArr, uid); 19014 } 19015 } else { 19016 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19017 + ps.codePathString); 19018 } 19019 } 19020 } 19021 19022 Arrays.sort(uidArr); 19023 } 19024 19025 // Process packages with valid entries. 19026 if (isMounted) { 19027 if (DEBUG_SD_INSTALL) 19028 Log.i(TAG, "Loading packages"); 19029 loadMediaPackages(processCids, uidArr, externalStorage); 19030 startCleaningPackages(); 19031 mInstallerService.onSecureContainersAvailable(); 19032 } else { 19033 if (DEBUG_SD_INSTALL) 19034 Log.i(TAG, "Unloading packages"); 19035 unloadMediaPackages(processCids, uidArr, reportStatus); 19036 } 19037 } 19038 19039 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19040 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19041 final int size = infos.size(); 19042 final String[] packageNames = new String[size]; 19043 final int[] packageUids = new int[size]; 19044 for (int i = 0; i < size; i++) { 19045 final ApplicationInfo info = infos.get(i); 19046 packageNames[i] = info.packageName; 19047 packageUids[i] = info.uid; 19048 } 19049 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19050 finishedReceiver); 19051 } 19052 19053 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19054 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19055 sendResourcesChangedBroadcast(mediaStatus, replacing, 19056 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19057 } 19058 19059 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19060 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19061 int size = pkgList.length; 19062 if (size > 0) { 19063 // Send broadcasts here 19064 Bundle extras = new Bundle(); 19065 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19066 if (uidArr != null) { 19067 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19068 } 19069 if (replacing) { 19070 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19071 } 19072 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19073 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19074 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19075 } 19076 } 19077 19078 /* 19079 * Look at potentially valid container ids from processCids If package 19080 * information doesn't match the one on record or package scanning fails, 19081 * the cid is added to list of removeCids. We currently don't delete stale 19082 * containers. 19083 */ 19084 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19085 boolean externalStorage) { 19086 ArrayList<String> pkgList = new ArrayList<String>(); 19087 Set<AsecInstallArgs> keys = processCids.keySet(); 19088 19089 for (AsecInstallArgs args : keys) { 19090 String codePath = processCids.get(args); 19091 if (DEBUG_SD_INSTALL) 19092 Log.i(TAG, "Loading container : " + args.cid); 19093 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19094 try { 19095 // Make sure there are no container errors first. 19096 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19097 Slog.e(TAG, "Failed to mount cid : " + args.cid 19098 + " when installing from sdcard"); 19099 continue; 19100 } 19101 // Check code path here. 19102 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19103 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19104 + " does not match one in settings " + codePath); 19105 continue; 19106 } 19107 // Parse package 19108 int parseFlags = mDefParseFlags; 19109 if (args.isExternalAsec()) { 19110 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19111 } 19112 if (args.isFwdLocked()) { 19113 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19114 } 19115 19116 synchronized (mInstallLock) { 19117 PackageParser.Package pkg = null; 19118 try { 19119 // Sadly we don't know the package name yet to freeze it 19120 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19121 SCAN_IGNORE_FROZEN, 0, null); 19122 } catch (PackageManagerException e) { 19123 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19124 } 19125 // Scan the package 19126 if (pkg != null) { 19127 /* 19128 * TODO why is the lock being held? doPostInstall is 19129 * called in other places without the lock. This needs 19130 * to be straightened out. 19131 */ 19132 // writer 19133 synchronized (mPackages) { 19134 retCode = PackageManager.INSTALL_SUCCEEDED; 19135 pkgList.add(pkg.packageName); 19136 // Post process args 19137 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19138 pkg.applicationInfo.uid); 19139 } 19140 } else { 19141 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19142 } 19143 } 19144 19145 } finally { 19146 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19147 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19148 } 19149 } 19150 } 19151 // writer 19152 synchronized (mPackages) { 19153 // If the platform SDK has changed since the last time we booted, 19154 // we need to re-grant app permission to catch any new ones that 19155 // appear. This is really a hack, and means that apps can in some 19156 // cases get permissions that the user didn't initially explicitly 19157 // allow... it would be nice to have some better way to handle 19158 // this situation. 19159 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19160 : mSettings.getInternalVersion(); 19161 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19162 : StorageManager.UUID_PRIVATE_INTERNAL; 19163 19164 int updateFlags = UPDATE_PERMISSIONS_ALL; 19165 if (ver.sdkVersion != mSdkVersion) { 19166 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19167 + mSdkVersion + "; regranting permissions for external"); 19168 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19169 } 19170 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19171 19172 // Yay, everything is now upgraded 19173 ver.forceCurrent(); 19174 19175 // can downgrade to reader 19176 // Persist settings 19177 mSettings.writeLPr(); 19178 } 19179 // Send a broadcast to let everyone know we are done processing 19180 if (pkgList.size() > 0) { 19181 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19182 } 19183 } 19184 19185 /* 19186 * Utility method to unload a list of specified containers 19187 */ 19188 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19189 // Just unmount all valid containers. 19190 for (AsecInstallArgs arg : cidArgs) { 19191 synchronized (mInstallLock) { 19192 arg.doPostDeleteLI(false); 19193 } 19194 } 19195 } 19196 19197 /* 19198 * Unload packages mounted on external media. This involves deleting package 19199 * data from internal structures, sending broadcasts about disabled packages, 19200 * gc'ing to free up references, unmounting all secure containers 19201 * corresponding to packages on external media, and posting a 19202 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19203 * that we always have to post this message if status has been requested no 19204 * matter what. 19205 */ 19206 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19207 final boolean reportStatus) { 19208 if (DEBUG_SD_INSTALL) 19209 Log.i(TAG, "unloading media packages"); 19210 ArrayList<String> pkgList = new ArrayList<String>(); 19211 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19212 final Set<AsecInstallArgs> keys = processCids.keySet(); 19213 for (AsecInstallArgs args : keys) { 19214 String pkgName = args.getPackageName(); 19215 if (DEBUG_SD_INSTALL) 19216 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19217 // Delete package internally 19218 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19219 synchronized (mInstallLock) { 19220 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19221 final boolean res; 19222 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19223 "unloadMediaPackages")) { 19224 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19225 null); 19226 } 19227 if (res) { 19228 pkgList.add(pkgName); 19229 } else { 19230 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19231 failedList.add(args); 19232 } 19233 } 19234 } 19235 19236 // reader 19237 synchronized (mPackages) { 19238 // We didn't update the settings after removing each package; 19239 // write them now for all packages. 19240 mSettings.writeLPr(); 19241 } 19242 19243 // We have to absolutely send UPDATED_MEDIA_STATUS only 19244 // after confirming that all the receivers processed the ordered 19245 // broadcast when packages get disabled, force a gc to clean things up. 19246 // and unload all the containers. 19247 if (pkgList.size() > 0) { 19248 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19249 new IIntentReceiver.Stub() { 19250 public void performReceive(Intent intent, int resultCode, String data, 19251 Bundle extras, boolean ordered, boolean sticky, 19252 int sendingUser) throws RemoteException { 19253 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19254 reportStatus ? 1 : 0, 1, keys); 19255 mHandler.sendMessage(msg); 19256 } 19257 }); 19258 } else { 19259 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19260 keys); 19261 mHandler.sendMessage(msg); 19262 } 19263 } 19264 19265 private void loadPrivatePackages(final VolumeInfo vol) { 19266 mHandler.post(new Runnable() { 19267 @Override 19268 public void run() { 19269 loadPrivatePackagesInner(vol); 19270 } 19271 }); 19272 } 19273 19274 private void loadPrivatePackagesInner(VolumeInfo vol) { 19275 final String volumeUuid = vol.fsUuid; 19276 if (TextUtils.isEmpty(volumeUuid)) { 19277 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19278 return; 19279 } 19280 19281 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19282 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19283 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19284 19285 final VersionInfo ver; 19286 final List<PackageSetting> packages; 19287 synchronized (mPackages) { 19288 ver = mSettings.findOrCreateVersion(volumeUuid); 19289 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19290 } 19291 19292 for (PackageSetting ps : packages) { 19293 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19294 synchronized (mInstallLock) { 19295 final PackageParser.Package pkg; 19296 try { 19297 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19298 loaded.add(pkg.applicationInfo); 19299 19300 } catch (PackageManagerException e) { 19301 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19302 } 19303 19304 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19305 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19306 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19307 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19308 } 19309 } 19310 } 19311 19312 // Reconcile app data for all started/unlocked users 19313 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19314 final UserManager um = mContext.getSystemService(UserManager.class); 19315 UserManagerInternal umInternal = getUserManagerInternal(); 19316 for (UserInfo user : um.getUsers()) { 19317 final int flags; 19318 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19319 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19320 } else if (umInternal.isUserRunning(user.id)) { 19321 flags = StorageManager.FLAG_STORAGE_DE; 19322 } else { 19323 continue; 19324 } 19325 19326 try { 19327 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19328 synchronized (mInstallLock) { 19329 reconcileAppsDataLI(volumeUuid, user.id, flags); 19330 } 19331 } catch (IllegalStateException e) { 19332 // Device was probably ejected, and we'll process that event momentarily 19333 Slog.w(TAG, "Failed to prepare storage: " + e); 19334 } 19335 } 19336 19337 synchronized (mPackages) { 19338 int updateFlags = UPDATE_PERMISSIONS_ALL; 19339 if (ver.sdkVersion != mSdkVersion) { 19340 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19341 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19342 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19343 } 19344 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19345 19346 // Yay, everything is now upgraded 19347 ver.forceCurrent(); 19348 19349 mSettings.writeLPr(); 19350 } 19351 19352 for (PackageFreezer freezer : freezers) { 19353 freezer.close(); 19354 } 19355 19356 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19357 sendResourcesChangedBroadcast(true, false, loaded, null); 19358 } 19359 19360 private void unloadPrivatePackages(final VolumeInfo vol) { 19361 mHandler.post(new Runnable() { 19362 @Override 19363 public void run() { 19364 unloadPrivatePackagesInner(vol); 19365 } 19366 }); 19367 } 19368 19369 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19370 final String volumeUuid = vol.fsUuid; 19371 if (TextUtils.isEmpty(volumeUuid)) { 19372 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19373 return; 19374 } 19375 19376 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19377 synchronized (mInstallLock) { 19378 synchronized (mPackages) { 19379 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19380 for (PackageSetting ps : packages) { 19381 if (ps.pkg == null) continue; 19382 19383 final ApplicationInfo info = ps.pkg.applicationInfo; 19384 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19385 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19386 19387 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19388 "unloadPrivatePackagesInner")) { 19389 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19390 false, null)) { 19391 unloaded.add(info); 19392 } else { 19393 Slog.w(TAG, "Failed to unload " + ps.codePath); 19394 } 19395 } 19396 19397 // Try very hard to release any references to this package 19398 // so we don't risk the system server being killed due to 19399 // open FDs 19400 AttributeCache.instance().removePackage(ps.name); 19401 } 19402 19403 mSettings.writeLPr(); 19404 } 19405 } 19406 19407 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19408 sendResourcesChangedBroadcast(false, false, unloaded, null); 19409 19410 // Try very hard to release any references to this path so we don't risk 19411 // the system server being killed due to open FDs 19412 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19413 19414 for (int i = 0; i < 3; i++) { 19415 System.gc(); 19416 System.runFinalization(); 19417 } 19418 } 19419 19420 /** 19421 * Prepare storage areas for given user on all mounted devices. 19422 */ 19423 void prepareUserData(int userId, int userSerial, int flags) { 19424 synchronized (mInstallLock) { 19425 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19426 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19427 final String volumeUuid = vol.getFsUuid(); 19428 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19429 } 19430 } 19431 } 19432 19433 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19434 boolean allowRecover) { 19435 // Prepare storage and verify that serial numbers are consistent; if 19436 // there's a mismatch we need to destroy to avoid leaking data 19437 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19438 try { 19439 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19440 19441 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19442 UserManagerService.enforceSerialNumber( 19443 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19444 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19445 UserManagerService.enforceSerialNumber( 19446 Environment.getDataSystemDeDirectory(userId), userSerial); 19447 } 19448 } 19449 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19450 UserManagerService.enforceSerialNumber( 19451 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19452 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19453 UserManagerService.enforceSerialNumber( 19454 Environment.getDataSystemCeDirectory(userId), userSerial); 19455 } 19456 } 19457 19458 synchronized (mInstallLock) { 19459 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19460 } 19461 } catch (Exception e) { 19462 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19463 + " because we failed to prepare: " + e); 19464 destroyUserDataLI(volumeUuid, userId, 19465 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19466 19467 if (allowRecover) { 19468 // Try one last time; if we fail again we're really in trouble 19469 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19470 } 19471 } 19472 } 19473 19474 /** 19475 * Destroy storage areas for given user on all mounted devices. 19476 */ 19477 void destroyUserData(int userId, int flags) { 19478 synchronized (mInstallLock) { 19479 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19480 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19481 final String volumeUuid = vol.getFsUuid(); 19482 destroyUserDataLI(volumeUuid, userId, flags); 19483 } 19484 } 19485 } 19486 19487 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19488 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19489 try { 19490 // Clean up app data, profile data, and media data 19491 mInstaller.destroyUserData(volumeUuid, userId, flags); 19492 19493 // Clean up system data 19494 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19495 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19496 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19497 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19498 } 19499 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19500 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19501 } 19502 } 19503 19504 // Data with special labels is now gone, so finish the job 19505 storage.destroyUserStorage(volumeUuid, userId, flags); 19506 19507 } catch (Exception e) { 19508 logCriticalInfo(Log.WARN, 19509 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19510 } 19511 } 19512 19513 /** 19514 * Examine all users present on given mounted volume, and destroy data 19515 * belonging to users that are no longer valid, or whose user ID has been 19516 * recycled. 19517 */ 19518 private void reconcileUsers(String volumeUuid) { 19519 final List<File> files = new ArrayList<>(); 19520 Collections.addAll(files, FileUtils 19521 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19522 Collections.addAll(files, FileUtils 19523 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19524 Collections.addAll(files, FileUtils 19525 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19526 Collections.addAll(files, FileUtils 19527 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19528 for (File file : files) { 19529 if (!file.isDirectory()) continue; 19530 19531 final int userId; 19532 final UserInfo info; 19533 try { 19534 userId = Integer.parseInt(file.getName()); 19535 info = sUserManager.getUserInfo(userId); 19536 } catch (NumberFormatException e) { 19537 Slog.w(TAG, "Invalid user directory " + file); 19538 continue; 19539 } 19540 19541 boolean destroyUser = false; 19542 if (info == null) { 19543 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19544 + " because no matching user was found"); 19545 destroyUser = true; 19546 } else if (!mOnlyCore) { 19547 try { 19548 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19549 } catch (IOException e) { 19550 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19551 + " because we failed to enforce serial number: " + e); 19552 destroyUser = true; 19553 } 19554 } 19555 19556 if (destroyUser) { 19557 synchronized (mInstallLock) { 19558 destroyUserDataLI(volumeUuid, userId, 19559 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19560 } 19561 } 19562 } 19563 } 19564 19565 private void assertPackageKnown(String volumeUuid, String packageName) 19566 throws PackageManagerException { 19567 synchronized (mPackages) { 19568 final PackageSetting ps = mSettings.mPackages.get(packageName); 19569 if (ps == null) { 19570 throw new PackageManagerException("Package " + packageName + " is unknown"); 19571 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19572 throw new PackageManagerException( 19573 "Package " + packageName + " found on unknown volume " + volumeUuid 19574 + "; expected volume " + ps.volumeUuid); 19575 } 19576 } 19577 } 19578 19579 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19580 throws PackageManagerException { 19581 synchronized (mPackages) { 19582 final PackageSetting ps = mSettings.mPackages.get(packageName); 19583 if (ps == null) { 19584 throw new PackageManagerException("Package " + packageName + " is unknown"); 19585 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19586 throw new PackageManagerException( 19587 "Package " + packageName + " found on unknown volume " + volumeUuid 19588 + "; expected volume " + ps.volumeUuid); 19589 } else if (!ps.getInstalled(userId)) { 19590 throw new PackageManagerException( 19591 "Package " + packageName + " not installed for user " + userId); 19592 } 19593 } 19594 } 19595 19596 /** 19597 * Examine all apps present on given mounted volume, and destroy apps that 19598 * aren't expected, either due to uninstallation or reinstallation on 19599 * another volume. 19600 */ 19601 private void reconcileApps(String volumeUuid) { 19602 final File[] files = FileUtils 19603 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19604 for (File file : files) { 19605 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19606 && !PackageInstallerService.isStageName(file.getName()); 19607 if (!isPackage) { 19608 // Ignore entries which are not packages 19609 continue; 19610 } 19611 19612 try { 19613 final PackageLite pkg = PackageParser.parsePackageLite(file, 19614 PackageParser.PARSE_MUST_BE_APK); 19615 assertPackageKnown(volumeUuid, pkg.packageName); 19616 19617 } catch (PackageParserException | PackageManagerException e) { 19618 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19619 synchronized (mInstallLock) { 19620 removeCodePathLI(file); 19621 } 19622 } 19623 } 19624 } 19625 19626 /** 19627 * Reconcile all app data for the given user. 19628 * <p> 19629 * Verifies that directories exist and that ownership and labeling is 19630 * correct for all installed apps on all mounted volumes. 19631 */ 19632 void reconcileAppsData(int userId, int flags) { 19633 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19634 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19635 final String volumeUuid = vol.getFsUuid(); 19636 synchronized (mInstallLock) { 19637 reconcileAppsDataLI(volumeUuid, userId, flags); 19638 } 19639 } 19640 } 19641 19642 /** 19643 * Reconcile all app data on given mounted volume. 19644 * <p> 19645 * Destroys app data that isn't expected, either due to uninstallation or 19646 * reinstallation on another volume. 19647 * <p> 19648 * Verifies that directories exist and that ownership and labeling is 19649 * correct for all installed apps. 19650 */ 19651 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19652 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19653 + Integer.toHexString(flags)); 19654 19655 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19656 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19657 19658 boolean restoreconNeeded = false; 19659 19660 // First look for stale data that doesn't belong, and check if things 19661 // have changed since we did our last restorecon 19662 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19663 if (StorageManager.isFileEncryptedNativeOrEmulated() 19664 && !StorageManager.isUserKeyUnlocked(userId)) { 19665 throw new RuntimeException( 19666 "Yikes, someone asked us to reconcile CE storage while " + userId 19667 + " was still locked; this would have caused massive data loss!"); 19668 } 19669 19670 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19671 19672 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19673 for (File file : files) { 19674 final String packageName = file.getName(); 19675 try { 19676 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19677 } catch (PackageManagerException e) { 19678 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19679 try { 19680 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19681 StorageManager.FLAG_STORAGE_CE, 0); 19682 } catch (InstallerException e2) { 19683 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19684 } 19685 } 19686 } 19687 } 19688 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19689 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19690 19691 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19692 for (File file : files) { 19693 final String packageName = file.getName(); 19694 try { 19695 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19696 } catch (PackageManagerException e) { 19697 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19698 try { 19699 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19700 StorageManager.FLAG_STORAGE_DE, 0); 19701 } catch (InstallerException e2) { 19702 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19703 } 19704 } 19705 } 19706 } 19707 19708 // Ensure that data directories are ready to roll for all packages 19709 // installed for this volume and user 19710 final List<PackageSetting> packages; 19711 synchronized (mPackages) { 19712 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19713 } 19714 int preparedCount = 0; 19715 for (PackageSetting ps : packages) { 19716 final String packageName = ps.name; 19717 if (ps.pkg == null) { 19718 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19719 // TODO: might be due to legacy ASEC apps; we should circle back 19720 // and reconcile again once they're scanned 19721 continue; 19722 } 19723 19724 if (ps.getInstalled(userId)) { 19725 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19726 19727 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19728 // We may have just shuffled around app data directories, so 19729 // prepare them one more time 19730 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19731 } 19732 19733 preparedCount++; 19734 } 19735 } 19736 19737 if (restoreconNeeded) { 19738 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19739 SELinuxMMAC.setRestoreconDone(ceDir); 19740 } 19741 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19742 SELinuxMMAC.setRestoreconDone(deDir); 19743 } 19744 } 19745 19746 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19747 + " packages; restoreconNeeded was " + restoreconNeeded); 19748 } 19749 19750 /** 19751 * Prepare app data for the given app just after it was installed or 19752 * upgraded. This method carefully only touches users that it's installed 19753 * for, and it forces a restorecon to handle any seinfo changes. 19754 * <p> 19755 * Verifies that directories exist and that ownership and labeling is 19756 * correct for all installed apps. If there is an ownership mismatch, it 19757 * will try recovering system apps by wiping data; third-party app data is 19758 * left intact. 19759 * <p> 19760 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19761 */ 19762 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19763 final PackageSetting ps; 19764 synchronized (mPackages) { 19765 ps = mSettings.mPackages.get(pkg.packageName); 19766 mSettings.writeKernelMappingLPr(ps); 19767 } 19768 19769 final UserManager um = mContext.getSystemService(UserManager.class); 19770 UserManagerInternal umInternal = getUserManagerInternal(); 19771 for (UserInfo user : um.getUsers()) { 19772 final int flags; 19773 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19774 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19775 } else if (umInternal.isUserRunning(user.id)) { 19776 flags = StorageManager.FLAG_STORAGE_DE; 19777 } else { 19778 continue; 19779 } 19780 19781 if (ps.getInstalled(user.id)) { 19782 // Whenever an app changes, force a restorecon of its data 19783 // TODO: when user data is locked, mark that we're still dirty 19784 prepareAppDataLIF(pkg, user.id, flags, true); 19785 } 19786 } 19787 } 19788 19789 /** 19790 * Prepare app data for the given app. 19791 * <p> 19792 * Verifies that directories exist and that ownership and labeling is 19793 * correct for all installed apps. If there is an ownership mismatch, this 19794 * will try recovering system apps by wiping data; third-party app data is 19795 * left intact. 19796 */ 19797 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19798 boolean restoreconNeeded) { 19799 if (pkg == null) { 19800 Slog.wtf(TAG, "Package was null!", new Throwable()); 19801 return; 19802 } 19803 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19804 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19805 for (int i = 0; i < childCount; i++) { 19806 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19807 } 19808 } 19809 19810 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19811 boolean restoreconNeeded) { 19812 if (DEBUG_APP_DATA) { 19813 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19814 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19815 } 19816 19817 final String volumeUuid = pkg.volumeUuid; 19818 final String packageName = pkg.packageName; 19819 final ApplicationInfo app = pkg.applicationInfo; 19820 final int appId = UserHandle.getAppId(app.uid); 19821 19822 Preconditions.checkNotNull(app.seinfo); 19823 19824 try { 19825 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19826 appId, app.seinfo, app.targetSdkVersion); 19827 } catch (InstallerException e) { 19828 if (app.isSystemApp()) { 19829 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19830 + ", but trying to recover: " + e); 19831 destroyAppDataLeafLIF(pkg, userId, flags); 19832 try { 19833 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19834 appId, app.seinfo, app.targetSdkVersion); 19835 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19836 } catch (InstallerException e2) { 19837 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19838 } 19839 } else { 19840 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19841 } 19842 } 19843 19844 if (restoreconNeeded) { 19845 try { 19846 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19847 app.seinfo); 19848 } catch (InstallerException e) { 19849 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19850 } 19851 } 19852 19853 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19854 try { 19855 // CE storage is unlocked right now, so read out the inode and 19856 // remember for use later when it's locked 19857 // TODO: mark this structure as dirty so we persist it! 19858 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19859 StorageManager.FLAG_STORAGE_CE); 19860 synchronized (mPackages) { 19861 final PackageSetting ps = mSettings.mPackages.get(packageName); 19862 if (ps != null) { 19863 ps.setCeDataInode(ceDataInode, userId); 19864 } 19865 } 19866 } catch (InstallerException e) { 19867 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19868 } 19869 } 19870 19871 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19872 } 19873 19874 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19875 if (pkg == null) { 19876 Slog.wtf(TAG, "Package was null!", new Throwable()); 19877 return; 19878 } 19879 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19880 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19881 for (int i = 0; i < childCount; i++) { 19882 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19883 } 19884 } 19885 19886 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19887 final String volumeUuid = pkg.volumeUuid; 19888 final String packageName = pkg.packageName; 19889 final ApplicationInfo app = pkg.applicationInfo; 19890 19891 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19892 // Create a native library symlink only if we have native libraries 19893 // and if the native libraries are 32 bit libraries. We do not provide 19894 // this symlink for 64 bit libraries. 19895 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19896 final String nativeLibPath = app.nativeLibraryDir; 19897 try { 19898 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19899 nativeLibPath, userId); 19900 } catch (InstallerException e) { 19901 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19902 } 19903 } 19904 } 19905 } 19906 19907 /** 19908 * For system apps on non-FBE devices, this method migrates any existing 19909 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19910 * requested by the app. 19911 */ 19912 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19913 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19914 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19915 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19916 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19917 try { 19918 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19919 storageTarget); 19920 } catch (InstallerException e) { 19921 logCriticalInfo(Log.WARN, 19922 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19923 } 19924 return true; 19925 } else { 19926 return false; 19927 } 19928 } 19929 19930 public PackageFreezer freezePackage(String packageName, String killReason) { 19931 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19932 } 19933 19934 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19935 return new PackageFreezer(packageName, userId, killReason); 19936 } 19937 19938 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19939 String killReason) { 19940 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19941 } 19942 19943 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19944 String killReason) { 19945 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19946 return new PackageFreezer(); 19947 } else { 19948 return freezePackage(packageName, userId, killReason); 19949 } 19950 } 19951 19952 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19953 String killReason) { 19954 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19955 } 19956 19957 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19958 String killReason) { 19959 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19960 return new PackageFreezer(); 19961 } else { 19962 return freezePackage(packageName, userId, killReason); 19963 } 19964 } 19965 19966 /** 19967 * Class that freezes and kills the given package upon creation, and 19968 * unfreezes it upon closing. This is typically used when doing surgery on 19969 * app code/data to prevent the app from running while you're working. 19970 */ 19971 private class PackageFreezer implements AutoCloseable { 19972 private final String mPackageName; 19973 private final PackageFreezer[] mChildren; 19974 19975 private final boolean mWeFroze; 19976 19977 private final AtomicBoolean mClosed = new AtomicBoolean(); 19978 private final CloseGuard mCloseGuard = CloseGuard.get(); 19979 19980 /** 19981 * Create and return a stub freezer that doesn't actually do anything, 19982 * typically used when someone requested 19983 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19984 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19985 */ 19986 public PackageFreezer() { 19987 mPackageName = null; 19988 mChildren = null; 19989 mWeFroze = false; 19990 mCloseGuard.open("close"); 19991 } 19992 19993 public PackageFreezer(String packageName, int userId, String killReason) { 19994 synchronized (mPackages) { 19995 mPackageName = packageName; 19996 mWeFroze = mFrozenPackages.add(mPackageName); 19997 19998 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19999 if (ps != null) { 20000 killApplication(ps.name, ps.appId, userId, killReason); 20001 } 20002 20003 final PackageParser.Package p = mPackages.get(packageName); 20004 if (p != null && p.childPackages != null) { 20005 final int N = p.childPackages.size(); 20006 mChildren = new PackageFreezer[N]; 20007 for (int i = 0; i < N; i++) { 20008 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20009 userId, killReason); 20010 } 20011 } else { 20012 mChildren = null; 20013 } 20014 } 20015 mCloseGuard.open("close"); 20016 } 20017 20018 @Override 20019 protected void finalize() throws Throwable { 20020 try { 20021 mCloseGuard.warnIfOpen(); 20022 close(); 20023 } finally { 20024 super.finalize(); 20025 } 20026 } 20027 20028 @Override 20029 public void close() { 20030 mCloseGuard.close(); 20031 if (mClosed.compareAndSet(false, true)) { 20032 synchronized (mPackages) { 20033 if (mWeFroze) { 20034 mFrozenPackages.remove(mPackageName); 20035 } 20036 20037 if (mChildren != null) { 20038 for (PackageFreezer freezer : mChildren) { 20039 freezer.close(); 20040 } 20041 } 20042 } 20043 } 20044 } 20045 } 20046 20047 /** 20048 * Verify that given package is currently frozen. 20049 */ 20050 private void checkPackageFrozen(String packageName) { 20051 synchronized (mPackages) { 20052 if (!mFrozenPackages.contains(packageName)) { 20053 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20054 } 20055 } 20056 } 20057 20058 @Override 20059 public int movePackage(final String packageName, final String volumeUuid) { 20060 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20061 20062 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20063 final int moveId = mNextMoveId.getAndIncrement(); 20064 mHandler.post(new Runnable() { 20065 @Override 20066 public void run() { 20067 try { 20068 movePackageInternal(packageName, volumeUuid, moveId, user); 20069 } catch (PackageManagerException e) { 20070 Slog.w(TAG, "Failed to move " + packageName, e); 20071 mMoveCallbacks.notifyStatusChanged(moveId, 20072 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20073 } 20074 } 20075 }); 20076 return moveId; 20077 } 20078 20079 private void movePackageInternal(final String packageName, final String volumeUuid, 20080 final int moveId, UserHandle user) throws PackageManagerException { 20081 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20082 final PackageManager pm = mContext.getPackageManager(); 20083 20084 final boolean currentAsec; 20085 final String currentVolumeUuid; 20086 final File codeFile; 20087 final String installerPackageName; 20088 final String packageAbiOverride; 20089 final int appId; 20090 final String seinfo; 20091 final String label; 20092 final int targetSdkVersion; 20093 final PackageFreezer freezer; 20094 final int[] installedUserIds; 20095 20096 // reader 20097 synchronized (mPackages) { 20098 final PackageParser.Package pkg = mPackages.get(packageName); 20099 final PackageSetting ps = mSettings.mPackages.get(packageName); 20100 if (pkg == null || ps == null) { 20101 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20102 } 20103 20104 if (pkg.applicationInfo.isSystemApp()) { 20105 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20106 "Cannot move system application"); 20107 } 20108 20109 if (pkg.applicationInfo.isExternalAsec()) { 20110 currentAsec = true; 20111 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20112 } else if (pkg.applicationInfo.isForwardLocked()) { 20113 currentAsec = true; 20114 currentVolumeUuid = "forward_locked"; 20115 } else { 20116 currentAsec = false; 20117 currentVolumeUuid = ps.volumeUuid; 20118 20119 final File probe = new File(pkg.codePath); 20120 final File probeOat = new File(probe, "oat"); 20121 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20122 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20123 "Move only supported for modern cluster style installs"); 20124 } 20125 } 20126 20127 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20128 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20129 "Package already moved to " + volumeUuid); 20130 } 20131 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20132 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20133 "Device admin cannot be moved"); 20134 } 20135 20136 if (mFrozenPackages.contains(packageName)) { 20137 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20138 "Failed to move already frozen package"); 20139 } 20140 20141 codeFile = new File(pkg.codePath); 20142 installerPackageName = ps.installerPackageName; 20143 packageAbiOverride = ps.cpuAbiOverrideString; 20144 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20145 seinfo = pkg.applicationInfo.seinfo; 20146 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20147 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20148 freezer = freezePackage(packageName, "movePackageInternal"); 20149 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20150 } 20151 20152 final Bundle extras = new Bundle(); 20153 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20154 extras.putString(Intent.EXTRA_TITLE, label); 20155 mMoveCallbacks.notifyCreated(moveId, extras); 20156 20157 int installFlags; 20158 final boolean moveCompleteApp; 20159 final File measurePath; 20160 20161 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20162 installFlags = INSTALL_INTERNAL; 20163 moveCompleteApp = !currentAsec; 20164 measurePath = Environment.getDataAppDirectory(volumeUuid); 20165 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20166 installFlags = INSTALL_EXTERNAL; 20167 moveCompleteApp = false; 20168 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20169 } else { 20170 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20171 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20172 || !volume.isMountedWritable()) { 20173 freezer.close(); 20174 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20175 "Move location not mounted private volume"); 20176 } 20177 20178 Preconditions.checkState(!currentAsec); 20179 20180 installFlags = INSTALL_INTERNAL; 20181 moveCompleteApp = true; 20182 measurePath = Environment.getDataAppDirectory(volumeUuid); 20183 } 20184 20185 final PackageStats stats = new PackageStats(null, -1); 20186 synchronized (mInstaller) { 20187 for (int userId : installedUserIds) { 20188 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20189 freezer.close(); 20190 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20191 "Failed to measure package size"); 20192 } 20193 } 20194 } 20195 20196 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20197 + stats.dataSize); 20198 20199 final long startFreeBytes = measurePath.getFreeSpace(); 20200 final long sizeBytes; 20201 if (moveCompleteApp) { 20202 sizeBytes = stats.codeSize + stats.dataSize; 20203 } else { 20204 sizeBytes = stats.codeSize; 20205 } 20206 20207 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20208 freezer.close(); 20209 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20210 "Not enough free space to move"); 20211 } 20212 20213 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20214 20215 final CountDownLatch installedLatch = new CountDownLatch(1); 20216 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20217 @Override 20218 public void onUserActionRequired(Intent intent) throws RemoteException { 20219 throw new IllegalStateException(); 20220 } 20221 20222 @Override 20223 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20224 Bundle extras) throws RemoteException { 20225 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20226 + PackageManager.installStatusToString(returnCode, msg)); 20227 20228 installedLatch.countDown(); 20229 freezer.close(); 20230 20231 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20232 switch (status) { 20233 case PackageInstaller.STATUS_SUCCESS: 20234 mMoveCallbacks.notifyStatusChanged(moveId, 20235 PackageManager.MOVE_SUCCEEDED); 20236 break; 20237 case PackageInstaller.STATUS_FAILURE_STORAGE: 20238 mMoveCallbacks.notifyStatusChanged(moveId, 20239 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20240 break; 20241 default: 20242 mMoveCallbacks.notifyStatusChanged(moveId, 20243 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20244 break; 20245 } 20246 } 20247 }; 20248 20249 final MoveInfo move; 20250 if (moveCompleteApp) { 20251 // Kick off a thread to report progress estimates 20252 new Thread() { 20253 @Override 20254 public void run() { 20255 while (true) { 20256 try { 20257 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20258 break; 20259 } 20260 } catch (InterruptedException ignored) { 20261 } 20262 20263 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20264 final int progress = 10 + (int) MathUtils.constrain( 20265 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20266 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20267 } 20268 } 20269 }.start(); 20270 20271 final String dataAppName = codeFile.getName(); 20272 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20273 dataAppName, appId, seinfo, targetSdkVersion); 20274 } else { 20275 move = null; 20276 } 20277 20278 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20279 20280 final Message msg = mHandler.obtainMessage(INIT_COPY); 20281 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20282 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20283 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20284 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20285 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20286 msg.obj = params; 20287 20288 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20289 System.identityHashCode(msg.obj)); 20290 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20291 System.identityHashCode(msg.obj)); 20292 20293 mHandler.sendMessage(msg); 20294 } 20295 20296 @Override 20297 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20298 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20299 20300 final int realMoveId = mNextMoveId.getAndIncrement(); 20301 final Bundle extras = new Bundle(); 20302 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20303 mMoveCallbacks.notifyCreated(realMoveId, extras); 20304 20305 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20306 @Override 20307 public void onCreated(int moveId, Bundle extras) { 20308 // Ignored 20309 } 20310 20311 @Override 20312 public void onStatusChanged(int moveId, int status, long estMillis) { 20313 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20314 } 20315 }; 20316 20317 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20318 storage.setPrimaryStorageUuid(volumeUuid, callback); 20319 return realMoveId; 20320 } 20321 20322 @Override 20323 public int getMoveStatus(int moveId) { 20324 mContext.enforceCallingOrSelfPermission( 20325 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20326 return mMoveCallbacks.mLastStatus.get(moveId); 20327 } 20328 20329 @Override 20330 public void registerMoveCallback(IPackageMoveObserver callback) { 20331 mContext.enforceCallingOrSelfPermission( 20332 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20333 mMoveCallbacks.register(callback); 20334 } 20335 20336 @Override 20337 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20338 mContext.enforceCallingOrSelfPermission( 20339 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20340 mMoveCallbacks.unregister(callback); 20341 } 20342 20343 @Override 20344 public boolean setInstallLocation(int loc) { 20345 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20346 null); 20347 if (getInstallLocation() == loc) { 20348 return true; 20349 } 20350 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20351 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20352 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20353 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20354 return true; 20355 } 20356 return false; 20357 } 20358 20359 @Override 20360 public int getInstallLocation() { 20361 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20362 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20363 PackageHelper.APP_INSTALL_AUTO); 20364 } 20365 20366 /** Called by UserManagerService */ 20367 void cleanUpUser(UserManagerService userManager, int userHandle) { 20368 synchronized (mPackages) { 20369 mDirtyUsers.remove(userHandle); 20370 mUserNeedsBadging.delete(userHandle); 20371 mSettings.removeUserLPw(userHandle); 20372 mPendingBroadcasts.remove(userHandle); 20373 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20374 removeUnusedPackagesLPw(userManager, userHandle); 20375 } 20376 } 20377 20378 /** 20379 * We're removing userHandle and would like to remove any downloaded packages 20380 * that are no longer in use by any other user. 20381 * @param userHandle the user being removed 20382 */ 20383 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20384 final boolean DEBUG_CLEAN_APKS = false; 20385 int [] users = userManager.getUserIds(); 20386 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20387 while (psit.hasNext()) { 20388 PackageSetting ps = psit.next(); 20389 if (ps.pkg == null) { 20390 continue; 20391 } 20392 final String packageName = ps.pkg.packageName; 20393 // Skip over if system app 20394 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20395 continue; 20396 } 20397 if (DEBUG_CLEAN_APKS) { 20398 Slog.i(TAG, "Checking package " + packageName); 20399 } 20400 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20401 if (keep) { 20402 if (DEBUG_CLEAN_APKS) { 20403 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20404 } 20405 } else { 20406 for (int i = 0; i < users.length; i++) { 20407 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20408 keep = true; 20409 if (DEBUG_CLEAN_APKS) { 20410 Slog.i(TAG, " Keeping package " + packageName + " for user " 20411 + users[i]); 20412 } 20413 break; 20414 } 20415 } 20416 } 20417 if (!keep) { 20418 if (DEBUG_CLEAN_APKS) { 20419 Slog.i(TAG, " Removing package " + packageName); 20420 } 20421 mHandler.post(new Runnable() { 20422 public void run() { 20423 deletePackageX(packageName, userHandle, 0); 20424 } //end run 20425 }); 20426 } 20427 } 20428 } 20429 20430 /** Called by UserManagerService */ 20431 void createNewUser(int userId) { 20432 synchronized (mInstallLock) { 20433 mSettings.createNewUserLI(this, mInstaller, userId); 20434 } 20435 synchronized (mPackages) { 20436 scheduleWritePackageRestrictionsLocked(userId); 20437 scheduleWritePackageListLocked(userId); 20438 applyFactoryDefaultBrowserLPw(userId); 20439 primeDomainVerificationsLPw(userId); 20440 } 20441 } 20442 20443 void onBeforeUserStartUninitialized(final int userId) { 20444 synchronized (mPackages) { 20445 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20446 return; 20447 } 20448 } 20449 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20450 // If permission review for legacy apps is required, we represent 20451 // dagerous permissions for such apps as always granted runtime 20452 // permissions to keep per user flag state whether review is needed. 20453 // Hence, if a new user is added we have to propagate dangerous 20454 // permission grants for these legacy apps. 20455 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20456 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20457 | UPDATE_PERMISSIONS_REPLACE_ALL); 20458 } 20459 } 20460 20461 @Override 20462 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20463 mContext.enforceCallingOrSelfPermission( 20464 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20465 "Only package verification agents can read the verifier device identity"); 20466 20467 synchronized (mPackages) { 20468 return mSettings.getVerifierDeviceIdentityLPw(); 20469 } 20470 } 20471 20472 @Override 20473 public void setPermissionEnforced(String permission, boolean enforced) { 20474 // TODO: Now that we no longer change GID for storage, this should to away. 20475 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20476 "setPermissionEnforced"); 20477 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20478 synchronized (mPackages) { 20479 if (mSettings.mReadExternalStorageEnforced == null 20480 || mSettings.mReadExternalStorageEnforced != enforced) { 20481 mSettings.mReadExternalStorageEnforced = enforced; 20482 mSettings.writeLPr(); 20483 } 20484 } 20485 // kill any non-foreground processes so we restart them and 20486 // grant/revoke the GID. 20487 final IActivityManager am = ActivityManagerNative.getDefault(); 20488 if (am != null) { 20489 final long token = Binder.clearCallingIdentity(); 20490 try { 20491 am.killProcessesBelowForeground("setPermissionEnforcement"); 20492 } catch (RemoteException e) { 20493 } finally { 20494 Binder.restoreCallingIdentity(token); 20495 } 20496 } 20497 } else { 20498 throw new IllegalArgumentException("No selective enforcement for " + permission); 20499 } 20500 } 20501 20502 @Override 20503 @Deprecated 20504 public boolean isPermissionEnforced(String permission) { 20505 return true; 20506 } 20507 20508 @Override 20509 public boolean isStorageLow() { 20510 final long token = Binder.clearCallingIdentity(); 20511 try { 20512 final DeviceStorageMonitorInternal 20513 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20514 if (dsm != null) { 20515 return dsm.isMemoryLow(); 20516 } else { 20517 return false; 20518 } 20519 } finally { 20520 Binder.restoreCallingIdentity(token); 20521 } 20522 } 20523 20524 @Override 20525 public IPackageInstaller getPackageInstaller() { 20526 return mInstallerService; 20527 } 20528 20529 private boolean userNeedsBadging(int userId) { 20530 int index = mUserNeedsBadging.indexOfKey(userId); 20531 if (index < 0) { 20532 final UserInfo userInfo; 20533 final long token = Binder.clearCallingIdentity(); 20534 try { 20535 userInfo = sUserManager.getUserInfo(userId); 20536 } finally { 20537 Binder.restoreCallingIdentity(token); 20538 } 20539 final boolean b; 20540 if (userInfo != null && userInfo.isManagedProfile()) { 20541 b = true; 20542 } else { 20543 b = false; 20544 } 20545 mUserNeedsBadging.put(userId, b); 20546 return b; 20547 } 20548 return mUserNeedsBadging.valueAt(index); 20549 } 20550 20551 @Override 20552 public KeySet getKeySetByAlias(String packageName, String alias) { 20553 if (packageName == null || alias == null) { 20554 return null; 20555 } 20556 synchronized(mPackages) { 20557 final PackageParser.Package pkg = mPackages.get(packageName); 20558 if (pkg == null) { 20559 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20560 throw new IllegalArgumentException("Unknown package: " + packageName); 20561 } 20562 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20563 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20564 } 20565 } 20566 20567 @Override 20568 public KeySet getSigningKeySet(String packageName) { 20569 if (packageName == null) { 20570 return null; 20571 } 20572 synchronized(mPackages) { 20573 final PackageParser.Package pkg = mPackages.get(packageName); 20574 if (pkg == null) { 20575 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20576 throw new IllegalArgumentException("Unknown package: " + packageName); 20577 } 20578 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20579 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20580 throw new SecurityException("May not access signing KeySet of other apps."); 20581 } 20582 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20583 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20584 } 20585 } 20586 20587 @Override 20588 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20589 if (packageName == null || ks == null) { 20590 return false; 20591 } 20592 synchronized(mPackages) { 20593 final PackageParser.Package pkg = mPackages.get(packageName); 20594 if (pkg == null) { 20595 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20596 throw new IllegalArgumentException("Unknown package: " + packageName); 20597 } 20598 IBinder ksh = ks.getToken(); 20599 if (ksh instanceof KeySetHandle) { 20600 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20601 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20602 } 20603 return false; 20604 } 20605 } 20606 20607 @Override 20608 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20609 if (packageName == null || ks == null) { 20610 return false; 20611 } 20612 synchronized(mPackages) { 20613 final PackageParser.Package pkg = mPackages.get(packageName); 20614 if (pkg == null) { 20615 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20616 throw new IllegalArgumentException("Unknown package: " + packageName); 20617 } 20618 IBinder ksh = ks.getToken(); 20619 if (ksh instanceof KeySetHandle) { 20620 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20621 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20622 } 20623 return false; 20624 } 20625 } 20626 20627 private void deletePackageIfUnusedLPr(final String packageName) { 20628 PackageSetting ps = mSettings.mPackages.get(packageName); 20629 if (ps == null) { 20630 return; 20631 } 20632 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20633 // TODO Implement atomic delete if package is unused 20634 // It is currently possible that the package will be deleted even if it is installed 20635 // after this method returns. 20636 mHandler.post(new Runnable() { 20637 public void run() { 20638 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20639 } 20640 }); 20641 } 20642 } 20643 20644 /** 20645 * Check and throw if the given before/after packages would be considered a 20646 * downgrade. 20647 */ 20648 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20649 throws PackageManagerException { 20650 if (after.versionCode < before.mVersionCode) { 20651 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20652 "Update version code " + after.versionCode + " is older than current " 20653 + before.mVersionCode); 20654 } else if (after.versionCode == before.mVersionCode) { 20655 if (after.baseRevisionCode < before.baseRevisionCode) { 20656 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20657 "Update base revision code " + after.baseRevisionCode 20658 + " is older than current " + before.baseRevisionCode); 20659 } 20660 20661 if (!ArrayUtils.isEmpty(after.splitNames)) { 20662 for (int i = 0; i < after.splitNames.length; i++) { 20663 final String splitName = after.splitNames[i]; 20664 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20665 if (j != -1) { 20666 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20667 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20668 "Update split " + splitName + " revision code " 20669 + after.splitRevisionCodes[i] + " is older than current " 20670 + before.splitRevisionCodes[j]); 20671 } 20672 } 20673 } 20674 } 20675 } 20676 } 20677 20678 private static class MoveCallbacks extends Handler { 20679 private static final int MSG_CREATED = 1; 20680 private static final int MSG_STATUS_CHANGED = 2; 20681 20682 private final RemoteCallbackList<IPackageMoveObserver> 20683 mCallbacks = new RemoteCallbackList<>(); 20684 20685 private final SparseIntArray mLastStatus = new SparseIntArray(); 20686 20687 public MoveCallbacks(Looper looper) { 20688 super(looper); 20689 } 20690 20691 public void register(IPackageMoveObserver callback) { 20692 mCallbacks.register(callback); 20693 } 20694 20695 public void unregister(IPackageMoveObserver callback) { 20696 mCallbacks.unregister(callback); 20697 } 20698 20699 @Override 20700 public void handleMessage(Message msg) { 20701 final SomeArgs args = (SomeArgs) msg.obj; 20702 final int n = mCallbacks.beginBroadcast(); 20703 for (int i = 0; i < n; i++) { 20704 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20705 try { 20706 invokeCallback(callback, msg.what, args); 20707 } catch (RemoteException ignored) { 20708 } 20709 } 20710 mCallbacks.finishBroadcast(); 20711 args.recycle(); 20712 } 20713 20714 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20715 throws RemoteException { 20716 switch (what) { 20717 case MSG_CREATED: { 20718 callback.onCreated(args.argi1, (Bundle) args.arg2); 20719 break; 20720 } 20721 case MSG_STATUS_CHANGED: { 20722 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20723 break; 20724 } 20725 } 20726 } 20727 20728 private void notifyCreated(int moveId, Bundle extras) { 20729 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20730 20731 final SomeArgs args = SomeArgs.obtain(); 20732 args.argi1 = moveId; 20733 args.arg2 = extras; 20734 obtainMessage(MSG_CREATED, args).sendToTarget(); 20735 } 20736 20737 private void notifyStatusChanged(int moveId, int status) { 20738 notifyStatusChanged(moveId, status, -1); 20739 } 20740 20741 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20742 Slog.v(TAG, "Move " + moveId + " status " + status); 20743 20744 final SomeArgs args = SomeArgs.obtain(); 20745 args.argi1 = moveId; 20746 args.argi2 = status; 20747 args.arg3 = estMillis; 20748 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20749 20750 synchronized (mLastStatus) { 20751 mLastStatus.put(moveId, status); 20752 } 20753 } 20754 } 20755 20756 private final static class OnPermissionChangeListeners extends Handler { 20757 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20758 20759 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20760 new RemoteCallbackList<>(); 20761 20762 public OnPermissionChangeListeners(Looper looper) { 20763 super(looper); 20764 } 20765 20766 @Override 20767 public void handleMessage(Message msg) { 20768 switch (msg.what) { 20769 case MSG_ON_PERMISSIONS_CHANGED: { 20770 final int uid = msg.arg1; 20771 handleOnPermissionsChanged(uid); 20772 } break; 20773 } 20774 } 20775 20776 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20777 mPermissionListeners.register(listener); 20778 20779 } 20780 20781 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20782 mPermissionListeners.unregister(listener); 20783 } 20784 20785 public void onPermissionsChanged(int uid) { 20786 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20787 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20788 } 20789 } 20790 20791 private void handleOnPermissionsChanged(int uid) { 20792 final int count = mPermissionListeners.beginBroadcast(); 20793 try { 20794 for (int i = 0; i < count; i++) { 20795 IOnPermissionsChangeListener callback = mPermissionListeners 20796 .getBroadcastItem(i); 20797 try { 20798 callback.onPermissionsChanged(uid); 20799 } catch (RemoteException e) { 20800 Log.e(TAG, "Permission listener is dead", e); 20801 } 20802 } 20803 } finally { 20804 mPermissionListeners.finishBroadcast(); 20805 } 20806 } 20807 } 20808 20809 private class PackageManagerInternalImpl extends PackageManagerInternal { 20810 @Override 20811 public void setLocationPackagesProvider(PackagesProvider provider) { 20812 synchronized (mPackages) { 20813 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20814 } 20815 } 20816 20817 @Override 20818 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20819 synchronized (mPackages) { 20820 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20821 } 20822 } 20823 20824 @Override 20825 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20826 synchronized (mPackages) { 20827 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20828 } 20829 } 20830 20831 @Override 20832 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20833 synchronized (mPackages) { 20834 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20835 } 20836 } 20837 20838 @Override 20839 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20840 synchronized (mPackages) { 20841 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20842 } 20843 } 20844 20845 @Override 20846 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20847 synchronized (mPackages) { 20848 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20849 } 20850 } 20851 20852 @Override 20853 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20854 synchronized (mPackages) { 20855 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20856 packageName, userId); 20857 } 20858 } 20859 20860 @Override 20861 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20862 synchronized (mPackages) { 20863 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20864 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20865 packageName, userId); 20866 } 20867 } 20868 20869 @Override 20870 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20871 synchronized (mPackages) { 20872 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20873 packageName, userId); 20874 } 20875 } 20876 20877 @Override 20878 public void setKeepUninstalledPackages(final List<String> packageList) { 20879 Preconditions.checkNotNull(packageList); 20880 List<String> removedFromList = null; 20881 synchronized (mPackages) { 20882 if (mKeepUninstalledPackages != null) { 20883 final int packagesCount = mKeepUninstalledPackages.size(); 20884 for (int i = 0; i < packagesCount; i++) { 20885 String oldPackage = mKeepUninstalledPackages.get(i); 20886 if (packageList != null && packageList.contains(oldPackage)) { 20887 continue; 20888 } 20889 if (removedFromList == null) { 20890 removedFromList = new ArrayList<>(); 20891 } 20892 removedFromList.add(oldPackage); 20893 } 20894 } 20895 mKeepUninstalledPackages = new ArrayList<>(packageList); 20896 if (removedFromList != null) { 20897 final int removedCount = removedFromList.size(); 20898 for (int i = 0; i < removedCount; i++) { 20899 deletePackageIfUnusedLPr(removedFromList.get(i)); 20900 } 20901 } 20902 } 20903 } 20904 20905 @Override 20906 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20907 synchronized (mPackages) { 20908 // If we do not support permission review, done. 20909 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20910 return false; 20911 } 20912 20913 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20914 if (packageSetting == null) { 20915 return false; 20916 } 20917 20918 // Permission review applies only to apps not supporting the new permission model. 20919 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20920 return false; 20921 } 20922 20923 // Legacy apps have the permission and get user consent on launch. 20924 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20925 return permissionsState.isPermissionReviewRequired(userId); 20926 } 20927 } 20928 20929 @Override 20930 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20931 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20932 } 20933 20934 @Override 20935 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20936 int userId) { 20937 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20938 } 20939 20940 @Override 20941 public void setDeviceAndProfileOwnerPackages( 20942 int deviceOwnerUserId, String deviceOwnerPackage, 20943 SparseArray<String> profileOwnerPackages) { 20944 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20945 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20946 } 20947 20948 @Override 20949 public boolean isPackageDataProtected(int userId, String packageName) { 20950 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20951 } 20952 } 20953 20954 @Override 20955 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20956 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20957 synchronized (mPackages) { 20958 final long identity = Binder.clearCallingIdentity(); 20959 try { 20960 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20961 packageNames, userId); 20962 } finally { 20963 Binder.restoreCallingIdentity(identity); 20964 } 20965 } 20966 } 20967 20968 private static void enforceSystemOrPhoneCaller(String tag) { 20969 int callingUid = Binder.getCallingUid(); 20970 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20971 throw new SecurityException( 20972 "Cannot call " + tag + " from UID " + callingUid); 20973 } 20974 } 20975 20976 boolean isHistoricalPackageUsageAvailable() { 20977 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20978 } 20979 20980 /** 20981 * Return a <b>copy</b> of the collection of packages known to the package manager. 20982 * @return A copy of the values of mPackages. 20983 */ 20984 Collection<PackageParser.Package> getPackages() { 20985 synchronized (mPackages) { 20986 return new ArrayList<>(mPackages.values()); 20987 } 20988 } 20989 20990 /** 20991 * Logs process start information (including base APK hash) to the security log. 20992 * @hide 20993 */ 20994 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20995 String apkFile, int pid) { 20996 if (!SecurityLog.isLoggingEnabled()) { 20997 return; 20998 } 20999 Bundle data = new Bundle(); 21000 data.putLong("startTimestamp", System.currentTimeMillis()); 21001 data.putString("processName", processName); 21002 data.putInt("uid", uid); 21003 data.putString("seinfo", seinfo); 21004 data.putString("apkFile", apkFile); 21005 data.putInt("pid", pid); 21006 Message msg = mProcessLoggingHandler.obtainMessage( 21007 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21008 msg.setData(data); 21009 mProcessLoggingHandler.sendMessage(msg); 21010 } 21011} 21012