PackageManagerService.java revision 4288419787120ce85a241a4b315d7d2123aa2d4a
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.app.usage.UsageStatsManager; 113import android.content.BroadcastReceiver; 114import android.content.ComponentName; 115import android.content.Context; 116import android.content.IIntentReceiver; 117import android.content.Intent; 118import android.content.IntentFilter; 119import android.content.IntentSender; 120import android.content.IntentSender.SendIntentException; 121import android.content.ServiceConnection; 122import android.content.pm.ActivityInfo; 123import android.content.pm.ApplicationInfo; 124import android.content.pm.AppsQueryHelper; 125import android.content.pm.ComponentInfo; 126import android.content.pm.EphemeralApplicationInfo; 127import android.content.pm.EphemeralResolveInfo; 128import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 129import android.content.pm.FeatureInfo; 130import android.content.pm.IOnPermissionsChangeListener; 131import android.content.pm.IPackageDataObserver; 132import android.content.pm.IPackageDeleteObserver; 133import android.content.pm.IPackageDeleteObserver2; 134import android.content.pm.IPackageInstallObserver2; 135import android.content.pm.IPackageInstaller; 136import android.content.pm.IPackageManager; 137import android.content.pm.IPackageMoveObserver; 138import android.content.pm.IPackageStatsObserver; 139import android.content.pm.InstrumentationInfo; 140import android.content.pm.IntentFilterVerificationInfo; 141import android.content.pm.KeySet; 142import android.content.pm.PackageCleanItem; 143import android.content.pm.PackageInfo; 144import android.content.pm.PackageInfoLite; 145import android.content.pm.PackageInstaller; 146import android.content.pm.PackageManager; 147import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 148import android.content.pm.PackageManagerInternal; 149import android.content.pm.PackageParser; 150import android.content.pm.PackageParser.ActivityIntentInfo; 151import android.content.pm.PackageParser.PackageLite; 152import android.content.pm.PackageParser.PackageParserException; 153import android.content.pm.PackageStats; 154import android.content.pm.PackageUserState; 155import android.content.pm.ParceledListSlice; 156import android.content.pm.PermissionGroupInfo; 157import android.content.pm.PermissionInfo; 158import android.content.pm.ProviderInfo; 159import android.content.pm.ResolveInfo; 160import android.content.pm.ServiceInfo; 161import android.content.pm.Signature; 162import android.content.pm.UserInfo; 163import android.content.pm.VerifierDeviceIdentity; 164import android.content.pm.VerifierInfo; 165import android.content.res.Resources; 166import android.graphics.Bitmap; 167import android.hardware.display.DisplayManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.security.KeyStore; 200import android.security.SystemKeyStore; 201import android.system.ErrnoException; 202import android.system.Os; 203import android.text.TextUtils; 204import android.text.format.DateUtils; 205import android.util.ArrayMap; 206import android.util.ArraySet; 207import android.util.AtomicFile; 208import android.util.DisplayMetrics; 209import android.util.EventLog; 210import android.util.ExceptionUtils; 211import android.util.Log; 212import android.util.LogPrinter; 213import android.util.MathUtils; 214import android.util.PrintStreamPrinter; 215import android.util.Slog; 216import android.util.SparseArray; 217import android.util.SparseBooleanArray; 218import android.util.SparseIntArray; 219import android.util.Xml; 220import android.view.Display; 221 222import com.android.internal.R; 223import com.android.internal.annotations.GuardedBy; 224import com.android.internal.app.IMediaContainerService; 225import com.android.internal.app.ResolverActivity; 226import com.android.internal.content.NativeLibraryHelper; 227import com.android.internal.content.PackageHelper; 228import com.android.internal.os.IParcelFileDescriptorFactory; 229import com.android.internal.os.InstallerConnection.InstallerException; 230import com.android.internal.os.SomeArgs; 231import com.android.internal.os.Zygote; 232import com.android.internal.util.ArrayUtils; 233import com.android.internal.util.FastPrintWriter; 234import com.android.internal.util.FastXmlSerializer; 235import com.android.internal.util.IndentingPrintWriter; 236import com.android.internal.util.Preconditions; 237import com.android.internal.util.XmlUtils; 238import com.android.server.EventLogTags; 239import com.android.server.FgThread; 240import com.android.server.IntentResolver; 241import com.android.server.LocalServices; 242import com.android.server.ServiceThread; 243import com.android.server.SystemConfig; 244import com.android.server.Watchdog; 245import com.android.server.pm.PermissionsState.PermissionState; 246import com.android.server.pm.Settings.DatabaseVersion; 247import com.android.server.pm.Settings.VersionInfo; 248import com.android.server.storage.DeviceStorageMonitorInternal; 249 250import dalvik.system.CloseGuard; 251import dalvik.system.DexFile; 252import dalvik.system.VMRuntime; 253 254import libcore.io.IoUtils; 255import libcore.util.EmptyArray; 256 257import org.xmlpull.v1.XmlPullParser; 258import org.xmlpull.v1.XmlPullParserException; 259import org.xmlpull.v1.XmlSerializer; 260 261import java.io.BufferedInputStream; 262import java.io.BufferedOutputStream; 263import java.io.BufferedReader; 264import java.io.ByteArrayInputStream; 265import java.io.ByteArrayOutputStream; 266import java.io.File; 267import java.io.FileDescriptor; 268import java.io.FileNotFoundException; 269import java.io.FileOutputStream; 270import java.io.FileReader; 271import java.io.FilenameFilter; 272import java.io.IOException; 273import java.io.InputStream; 274import java.io.PrintWriter; 275import java.nio.charset.StandardCharsets; 276import java.security.MessageDigest; 277import java.security.NoSuchAlgorithmException; 278import java.security.PublicKey; 279import java.security.cert.Certificate; 280import java.security.cert.CertificateEncodingException; 281import java.security.cert.CertificateException; 282import java.text.SimpleDateFormat; 283import java.util.ArrayList; 284import java.util.Arrays; 285import java.util.Collection; 286import java.util.Collections; 287import java.util.Comparator; 288import java.util.Date; 289import java.util.HashSet; 290import java.util.Iterator; 291import java.util.List; 292import java.util.Map; 293import java.util.Objects; 294import java.util.Set; 295import java.util.concurrent.CountDownLatch; 296import java.util.concurrent.TimeUnit; 297import java.util.concurrent.atomic.AtomicBoolean; 298import java.util.concurrent.atomic.AtomicInteger; 299import java.util.concurrent.atomic.AtomicLong; 300 301/** 302 * Keep track of all those APKs everywhere. 303 * <p> 304 * Internally there are two important locks: 305 * <ul> 306 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 307 * and other related state. It is a fine-grained lock that should only be held 308 * momentarily, as it's one of the most contended locks in the system. 309 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 310 * operations typically involve heavy lifting of application data on disk. Since 311 * {@code installd} is single-threaded, and it's operations can often be slow, 312 * this lock should never be acquired while already holding {@link #mPackages}. 313 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 314 * holding {@link #mInstallLock}. 315 * </ul> 316 * Many internal methods rely on the caller to hold the appropriate locks, and 317 * this contract is expressed through method name suffixes: 318 * <ul> 319 * <li>fooLI(): the caller must hold {@link #mInstallLock} 320 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 321 * being modified must be frozen 322 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 323 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 324 * </ul> 325 * <p> 326 * Because this class is very central to the platform's security; please run all 327 * CTS and unit tests whenever making modifications: 328 * 329 * <pre> 330 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 331 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 332 * </pre> 333 */ 334public class PackageManagerService extends IPackageManager.Stub { 335 static final String TAG = "PackageManager"; 336 static final boolean DEBUG_SETTINGS = false; 337 static final boolean DEBUG_PREFERRED = false; 338 static final boolean DEBUG_UPGRADE = false; 339 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 340 private static final boolean DEBUG_BACKUP = false; 341 private static final boolean DEBUG_INSTALL = false; 342 private static final boolean DEBUG_REMOVE = false; 343 private static final boolean DEBUG_BROADCASTS = false; 344 private static final boolean DEBUG_SHOW_INFO = false; 345 private static final boolean DEBUG_PACKAGE_INFO = false; 346 private static final boolean DEBUG_INTENT_MATCHING = false; 347 private static final boolean DEBUG_PACKAGE_SCANNING = false; 348 private static final boolean DEBUG_VERIFY = false; 349 private static final boolean DEBUG_FILTERS = false; 350 351 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 352 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 353 // user, but by default initialize to this. 354 static final boolean DEBUG_DEXOPT = false; 355 356 private static final boolean DEBUG_ABI_SELECTION = false; 357 private static final boolean DEBUG_EPHEMERAL = false; 358 private static final boolean DEBUG_TRIAGED_MISSING = false; 359 private static final boolean DEBUG_APP_DATA = false; 360 361 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 362 363 private static final boolean DISABLE_EPHEMERAL_APPS = true; 364 365 private static final int RADIO_UID = Process.PHONE_UID; 366 private static final int LOG_UID = Process.LOG_UID; 367 private static final int NFC_UID = Process.NFC_UID; 368 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 369 private static final int SHELL_UID = Process.SHELL_UID; 370 371 // Cap the size of permission trees that 3rd party apps can define 372 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 373 374 // Suffix used during package installation when copying/moving 375 // package apks to install directory. 376 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 377 378 static final int SCAN_NO_DEX = 1<<1; 379 static final int SCAN_FORCE_DEX = 1<<2; 380 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 381 static final int SCAN_NEW_INSTALL = 1<<4; 382 static final int SCAN_NO_PATHS = 1<<5; 383 static final int SCAN_UPDATE_TIME = 1<<6; 384 static final int SCAN_DEFER_DEX = 1<<7; 385 static final int SCAN_BOOTING = 1<<8; 386 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 387 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 388 static final int SCAN_REPLACING = 1<<11; 389 static final int SCAN_REQUIRE_KNOWN = 1<<12; 390 static final int SCAN_MOVE = 1<<13; 391 static final int SCAN_INITIAL = 1<<14; 392 static final int SCAN_CHECK_ONLY = 1<<15; 393 static final int SCAN_DONT_KILL_APP = 1<<17; 394 static final int SCAN_IGNORE_FROZEN = 1<<18; 395 396 static final int REMOVE_CHATTY = 1<<16; 397 398 private static final int[] EMPTY_INT_ARRAY = new int[0]; 399 400 /** 401 * Timeout (in milliseconds) after which the watchdog should declare that 402 * our handler thread is wedged. The usual default for such things is one 403 * minute but we sometimes do very lengthy I/O operations on this thread, 404 * such as installing multi-gigabyte applications, so ours needs to be longer. 405 */ 406 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 407 408 /** 409 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 410 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 411 * settings entry if available, otherwise we use the hardcoded default. If it's been 412 * more than this long since the last fstrim, we force one during the boot sequence. 413 * 414 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 415 * one gets run at the next available charging+idle time. This final mandatory 416 * no-fstrim check kicks in only of the other scheduling criteria is never met. 417 */ 418 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 419 420 /** 421 * Whether verification is enabled by default. 422 */ 423 private static final boolean DEFAULT_VERIFY_ENABLE = true; 424 425 /** 426 * The default maximum time to wait for the verification agent to return in 427 * milliseconds. 428 */ 429 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 430 431 /** 432 * The default response for package verification timeout. 433 * 434 * This can be either PackageManager.VERIFICATION_ALLOW or 435 * PackageManager.VERIFICATION_REJECT. 436 */ 437 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 438 439 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 440 441 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 442 DEFAULT_CONTAINER_PACKAGE, 443 "com.android.defcontainer.DefaultContainerService"); 444 445 private static final String KILL_APP_REASON_GIDS_CHANGED = 446 "permission grant or revoke changed gids"; 447 448 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 449 "permissions revoked"; 450 451 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 452 453 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 454 455 /** Permission grant: not grant the permission. */ 456 private static final int GRANT_DENIED = 1; 457 458 /** Permission grant: grant the permission as an install permission. */ 459 private static final int GRANT_INSTALL = 2; 460 461 /** Permission grant: grant the permission as a runtime one. */ 462 private static final int GRANT_RUNTIME = 3; 463 464 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 465 private static final int GRANT_UPGRADE = 4; 466 467 /** Canonical intent used to identify what counts as a "web browser" app */ 468 private static final Intent sBrowserIntent; 469 static { 470 sBrowserIntent = new Intent(); 471 sBrowserIntent.setAction(Intent.ACTION_VIEW); 472 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 473 sBrowserIntent.setData(Uri.parse("http:")); 474 } 475 476 /** 477 * The set of all protected actions [i.e. those actions for which a high priority 478 * intent filter is disallowed]. 479 */ 480 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 481 static { 482 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 483 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 484 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 485 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 486 } 487 488 // Compilation reasons. 489 public static final int REASON_FIRST_BOOT = 0; 490 public static final int REASON_BOOT = 1; 491 public static final int REASON_INSTALL = 2; 492 public static final int REASON_BACKGROUND_DEXOPT = 3; 493 public static final int REASON_AB_OTA = 4; 494 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 495 public static final int REASON_SHARED_APK = 6; 496 public static final int REASON_FORCED_DEXOPT = 7; 497 498 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 499 500 final ServiceThread mHandlerThread; 501 502 final PackageHandler mHandler; 503 504 private final ProcessLoggingHandler mProcessLoggingHandler; 505 506 /** 507 * Messages for {@link #mHandler} that need to wait for system ready before 508 * being dispatched. 509 */ 510 private ArrayList<Message> mPostSystemReadyMessages; 511 512 final int mSdkVersion = Build.VERSION.SDK_INT; 513 514 final Context mContext; 515 final boolean mFactoryTest; 516 final boolean mOnlyCore; 517 final DisplayMetrics mMetrics; 518 final int mDefParseFlags; 519 final String[] mSeparateProcesses; 520 final boolean mIsUpgrade; 521 final boolean mIsPreNUpgrade; 522 523 /** The location for ASEC container files on internal storage. */ 524 final String mAsecInternalPath; 525 526 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 527 // LOCK HELD. Can be called with mInstallLock held. 528 @GuardedBy("mInstallLock") 529 final Installer mInstaller; 530 531 /** Directory where installed third-party apps stored */ 532 final File mAppInstallDir; 533 final File mEphemeralInstallDir; 534 535 /** 536 * Directory to which applications installed internally have their 537 * 32 bit native libraries copied. 538 */ 539 private File mAppLib32InstallDir; 540 541 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 542 // apps. 543 final File mDrmAppPrivateInstallDir; 544 545 // ---------------------------------------------------------------- 546 547 // Lock for state used when installing and doing other long running 548 // operations. Methods that must be called with this lock held have 549 // the suffix "LI". 550 final Object mInstallLock = new Object(); 551 552 // ---------------------------------------------------------------- 553 554 // Keys are String (package name), values are Package. This also serves 555 // as the lock for the global state. Methods that must be called with 556 // this lock held have the prefix "LP". 557 @GuardedBy("mPackages") 558 final ArrayMap<String, PackageParser.Package> mPackages = 559 new ArrayMap<String, PackageParser.Package>(); 560 561 final ArrayMap<String, Set<String>> mKnownCodebase = 562 new ArrayMap<String, Set<String>>(); 563 564 // Tracks available target package names -> overlay package paths. 565 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 566 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 567 568 /** 569 * Tracks new system packages [received in an OTA] that we expect to 570 * find updated user-installed versions. Keys are package name, values 571 * are package location. 572 */ 573 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 574 /** 575 * Tracks high priority intent filters for protected actions. During boot, certain 576 * filter actions are protected and should never be allowed to have a high priority 577 * intent filter for them. However, there is one, and only one exception -- the 578 * setup wizard. It must be able to define a high priority intent filter for these 579 * actions to ensure there are no escapes from the wizard. We need to delay processing 580 * of these during boot as we need to look at all of the system packages in order 581 * to know which component is the setup wizard. 582 */ 583 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 584 /** 585 * Whether or not processing protected filters should be deferred. 586 */ 587 private boolean mDeferProtectedFilters = true; 588 589 /** 590 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 591 */ 592 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 593 /** 594 * Whether or not system app permissions should be promoted from install to runtime. 595 */ 596 boolean mPromoteSystemApps; 597 598 @GuardedBy("mPackages") 599 final Settings mSettings; 600 601 /** 602 * Set of package names that are currently "frozen", which means active 603 * surgery is being done on the code/data for that package. The platform 604 * will refuse to launch frozen packages to avoid race conditions. 605 * 606 * @see PackageFreezer 607 */ 608 @GuardedBy("mPackages") 609 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 610 611 boolean mRestoredSettings; 612 613 // System configuration read by SystemConfig. 614 final int[] mGlobalGids; 615 final SparseArray<ArraySet<String>> mSystemPermissions; 616 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 617 618 // If mac_permissions.xml was found for seinfo labeling. 619 boolean mFoundPolicyFile; 620 621 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 622 623 public static final class SharedLibraryEntry { 624 public final String path; 625 public final String apk; 626 627 SharedLibraryEntry(String _path, String _apk) { 628 path = _path; 629 apk = _apk; 630 } 631 } 632 633 // Currently known shared libraries. 634 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 635 new ArrayMap<String, SharedLibraryEntry>(); 636 637 // All available activities, for your resolving pleasure. 638 final ActivityIntentResolver mActivities = 639 new ActivityIntentResolver(); 640 641 // All available receivers, for your resolving pleasure. 642 final ActivityIntentResolver mReceivers = 643 new ActivityIntentResolver(); 644 645 // All available services, for your resolving pleasure. 646 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 647 648 // All available providers, for your resolving pleasure. 649 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 650 651 // Mapping from provider base names (first directory in content URI codePath) 652 // to the provider information. 653 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 654 new ArrayMap<String, PackageParser.Provider>(); 655 656 // Mapping from instrumentation class names to info about them. 657 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 658 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 659 660 // Mapping from permission names to info about them. 661 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 662 new ArrayMap<String, PackageParser.PermissionGroup>(); 663 664 // Packages whose data we have transfered into another package, thus 665 // should no longer exist. 666 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 667 668 // Broadcast actions that are only available to the system. 669 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 670 671 /** List of packages waiting for verification. */ 672 final SparseArray<PackageVerificationState> mPendingVerification 673 = new SparseArray<PackageVerificationState>(); 674 675 /** Set of packages associated with each app op permission. */ 676 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 677 678 final PackageInstallerService mInstallerService; 679 680 private final PackageDexOptimizer mPackageDexOptimizer; 681 682 private AtomicInteger mNextMoveId = new AtomicInteger(); 683 private final MoveCallbacks mMoveCallbacks; 684 685 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 686 687 // Cache of users who need badging. 688 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 689 690 /** Token for keys in mPendingVerification. */ 691 private int mPendingVerificationToken = 0; 692 693 volatile boolean mSystemReady; 694 volatile boolean mSafeMode; 695 volatile boolean mHasSystemUidErrors; 696 697 ApplicationInfo mAndroidApplication; 698 final ActivityInfo mResolveActivity = new ActivityInfo(); 699 final ResolveInfo mResolveInfo = new ResolveInfo(); 700 ComponentName mResolveComponentName; 701 PackageParser.Package mPlatformPackage; 702 ComponentName mCustomResolverComponentName; 703 704 boolean mResolverReplaced = false; 705 706 private final @Nullable ComponentName mIntentFilterVerifierComponent; 707 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 708 709 private int mIntentFilterVerificationToken = 0; 710 711 /** Component that knows whether or not an ephemeral application exists */ 712 final ComponentName mEphemeralResolverComponent; 713 /** The service connection to the ephemeral resolver */ 714 final EphemeralResolverConnection mEphemeralResolverConnection; 715 716 /** Component used to install ephemeral applications */ 717 final ComponentName mEphemeralInstallerComponent; 718 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 719 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 720 721 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 722 = new SparseArray<IntentFilterVerificationState>(); 723 724 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 725 new DefaultPermissionGrantPolicy(this); 726 727 // List of packages names to keep cached, even if they are uninstalled for all users 728 private List<String> mKeepUninstalledPackages; 729 730 private static class IFVerificationParams { 731 PackageParser.Package pkg; 732 boolean replacing; 733 int userId; 734 int verifierUid; 735 736 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 737 int _userId, int _verifierUid) { 738 pkg = _pkg; 739 replacing = _replacing; 740 userId = _userId; 741 replacing = _replacing; 742 verifierUid = _verifierUid; 743 } 744 } 745 746 private interface IntentFilterVerifier<T extends IntentFilter> { 747 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 748 T filter, String packageName); 749 void startVerifications(int userId); 750 void receiveVerificationResponse(int verificationId); 751 } 752 753 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 754 private Context mContext; 755 private ComponentName mIntentFilterVerifierComponent; 756 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 757 758 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 759 mContext = context; 760 mIntentFilterVerifierComponent = verifierComponent; 761 } 762 763 private String getDefaultScheme() { 764 return IntentFilter.SCHEME_HTTPS; 765 } 766 767 @Override 768 public void startVerifications(int userId) { 769 // Launch verifications requests 770 int count = mCurrentIntentFilterVerifications.size(); 771 for (int n=0; n<count; n++) { 772 int verificationId = mCurrentIntentFilterVerifications.get(n); 773 final IntentFilterVerificationState ivs = 774 mIntentFilterVerificationStates.get(verificationId); 775 776 String packageName = ivs.getPackageName(); 777 778 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 779 final int filterCount = filters.size(); 780 ArraySet<String> domainsSet = new ArraySet<>(); 781 for (int m=0; m<filterCount; m++) { 782 PackageParser.ActivityIntentInfo filter = filters.get(m); 783 domainsSet.addAll(filter.getHostsList()); 784 } 785 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 786 synchronized (mPackages) { 787 if (mSettings.createIntentFilterVerificationIfNeededLPw( 788 packageName, domainsList) != null) { 789 scheduleWriteSettingsLocked(); 790 } 791 } 792 sendVerificationRequest(userId, verificationId, ivs); 793 } 794 mCurrentIntentFilterVerifications.clear(); 795 } 796 797 private void sendVerificationRequest(int userId, int verificationId, 798 IntentFilterVerificationState ivs) { 799 800 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 801 verificationIntent.putExtra( 802 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 803 verificationId); 804 verificationIntent.putExtra( 805 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 806 getDefaultScheme()); 807 verificationIntent.putExtra( 808 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 809 ivs.getHostsString()); 810 verificationIntent.putExtra( 811 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 812 ivs.getPackageName()); 813 verificationIntent.setComponent(mIntentFilterVerifierComponent); 814 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 815 816 UserHandle user = new UserHandle(userId); 817 mContext.sendBroadcastAsUser(verificationIntent, user); 818 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 819 "Sending IntentFilter verification broadcast"); 820 } 821 822 public void receiveVerificationResponse(int verificationId) { 823 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 824 825 final boolean verified = ivs.isVerified(); 826 827 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 828 final int count = filters.size(); 829 if (DEBUG_DOMAIN_VERIFICATION) { 830 Slog.i(TAG, "Received verification response " + verificationId 831 + " for " + count + " filters, verified=" + verified); 832 } 833 for (int n=0; n<count; n++) { 834 PackageParser.ActivityIntentInfo filter = filters.get(n); 835 filter.setVerified(verified); 836 837 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 838 + " verified with result:" + verified + " and hosts:" 839 + ivs.getHostsString()); 840 } 841 842 mIntentFilterVerificationStates.remove(verificationId); 843 844 final String packageName = ivs.getPackageName(); 845 IntentFilterVerificationInfo ivi = null; 846 847 synchronized (mPackages) { 848 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 849 } 850 if (ivi == null) { 851 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 852 + verificationId + " packageName:" + packageName); 853 return; 854 } 855 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 856 "Updating IntentFilterVerificationInfo for package " + packageName 857 +" verificationId:" + verificationId); 858 859 synchronized (mPackages) { 860 if (verified) { 861 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 862 } else { 863 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 864 } 865 scheduleWriteSettingsLocked(); 866 867 final int userId = ivs.getUserId(); 868 if (userId != UserHandle.USER_ALL) { 869 final int userStatus = 870 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 871 872 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 873 boolean needUpdate = false; 874 875 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 876 // already been set by the User thru the Disambiguation dialog 877 switch (userStatus) { 878 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 879 if (verified) { 880 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 881 } else { 882 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 883 } 884 needUpdate = true; 885 break; 886 887 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 888 if (verified) { 889 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 890 needUpdate = true; 891 } 892 break; 893 894 default: 895 // Nothing to do 896 } 897 898 if (needUpdate) { 899 mSettings.updateIntentFilterVerificationStatusLPw( 900 packageName, updatedStatus, userId); 901 scheduleWritePackageRestrictionsLocked(userId); 902 } 903 } 904 } 905 } 906 907 @Override 908 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 909 ActivityIntentInfo filter, String packageName) { 910 if (!hasValidDomains(filter)) { 911 return false; 912 } 913 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 914 if (ivs == null) { 915 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 916 packageName); 917 } 918 if (DEBUG_DOMAIN_VERIFICATION) { 919 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 920 } 921 ivs.addFilter(filter); 922 return true; 923 } 924 925 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 926 int userId, int verificationId, String packageName) { 927 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 928 verifierUid, userId, packageName); 929 ivs.setPendingState(); 930 synchronized (mPackages) { 931 mIntentFilterVerificationStates.append(verificationId, ivs); 932 mCurrentIntentFilterVerifications.add(verificationId); 933 } 934 return ivs; 935 } 936 } 937 938 private static boolean hasValidDomains(ActivityIntentInfo filter) { 939 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 940 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 941 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 942 } 943 944 // Set of pending broadcasts for aggregating enable/disable of components. 945 static class PendingPackageBroadcasts { 946 // for each user id, a map of <package name -> components within that package> 947 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 948 949 public PendingPackageBroadcasts() { 950 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 951 } 952 953 public ArrayList<String> get(int userId, String packageName) { 954 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 955 return packages.get(packageName); 956 } 957 958 public void put(int userId, String packageName, ArrayList<String> components) { 959 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 960 packages.put(packageName, components); 961 } 962 963 public void remove(int userId, String packageName) { 964 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 965 if (packages != null) { 966 packages.remove(packageName); 967 } 968 } 969 970 public void remove(int userId) { 971 mUidMap.remove(userId); 972 } 973 974 public int userIdCount() { 975 return mUidMap.size(); 976 } 977 978 public int userIdAt(int n) { 979 return mUidMap.keyAt(n); 980 } 981 982 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 983 return mUidMap.get(userId); 984 } 985 986 public int size() { 987 // total number of pending broadcast entries across all userIds 988 int num = 0; 989 for (int i = 0; i< mUidMap.size(); i++) { 990 num += mUidMap.valueAt(i).size(); 991 } 992 return num; 993 } 994 995 public void clear() { 996 mUidMap.clear(); 997 } 998 999 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1000 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1001 if (map == null) { 1002 map = new ArrayMap<String, ArrayList<String>>(); 1003 mUidMap.put(userId, map); 1004 } 1005 return map; 1006 } 1007 } 1008 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1009 1010 // Service Connection to remote media container service to copy 1011 // package uri's from external media onto secure containers 1012 // or internal storage. 1013 private IMediaContainerService mContainerService = null; 1014 1015 static final int SEND_PENDING_BROADCAST = 1; 1016 static final int MCS_BOUND = 3; 1017 static final int END_COPY = 4; 1018 static final int INIT_COPY = 5; 1019 static final int MCS_UNBIND = 6; 1020 static final int START_CLEANING_PACKAGE = 7; 1021 static final int FIND_INSTALL_LOC = 8; 1022 static final int POST_INSTALL = 9; 1023 static final int MCS_RECONNECT = 10; 1024 static final int MCS_GIVE_UP = 11; 1025 static final int UPDATED_MEDIA_STATUS = 12; 1026 static final int WRITE_SETTINGS = 13; 1027 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1028 static final int PACKAGE_VERIFIED = 15; 1029 static final int CHECK_PENDING_VERIFICATION = 16; 1030 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1031 static final int INTENT_FILTER_VERIFIED = 18; 1032 1033 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1034 1035 // Delay time in millisecs 1036 static final int BROADCAST_DELAY = 10 * 1000; 1037 1038 static UserManagerService sUserManager; 1039 1040 // Stores a list of users whose package restrictions file needs to be updated 1041 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1042 1043 final private DefaultContainerConnection mDefContainerConn = 1044 new DefaultContainerConnection(); 1045 class DefaultContainerConnection implements ServiceConnection { 1046 public void onServiceConnected(ComponentName name, IBinder service) { 1047 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1048 IMediaContainerService imcs = 1049 IMediaContainerService.Stub.asInterface(service); 1050 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1051 } 1052 1053 public void onServiceDisconnected(ComponentName name) { 1054 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1055 } 1056 } 1057 1058 // Recordkeeping of restore-after-install operations that are currently in flight 1059 // between the Package Manager and the Backup Manager 1060 static class PostInstallData { 1061 public InstallArgs args; 1062 public PackageInstalledInfo res; 1063 1064 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1065 args = _a; 1066 res = _r; 1067 } 1068 } 1069 1070 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1071 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1072 1073 // XML tags for backup/restore of various bits of state 1074 private static final String TAG_PREFERRED_BACKUP = "pa"; 1075 private static final String TAG_DEFAULT_APPS = "da"; 1076 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1077 1078 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1079 private static final String TAG_ALL_GRANTS = "rt-grants"; 1080 private static final String TAG_GRANT = "grant"; 1081 private static final String ATTR_PACKAGE_NAME = "pkg"; 1082 1083 private static final String TAG_PERMISSION = "perm"; 1084 private static final String ATTR_PERMISSION_NAME = "name"; 1085 private static final String ATTR_IS_GRANTED = "g"; 1086 private static final String ATTR_USER_SET = "set"; 1087 private static final String ATTR_USER_FIXED = "fixed"; 1088 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1089 1090 // System/policy permission grants are not backed up 1091 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1092 FLAG_PERMISSION_POLICY_FIXED 1093 | FLAG_PERMISSION_SYSTEM_FIXED 1094 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1095 1096 // And we back up these user-adjusted states 1097 private static final int USER_RUNTIME_GRANT_MASK = 1098 FLAG_PERMISSION_USER_SET 1099 | FLAG_PERMISSION_USER_FIXED 1100 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1101 1102 final @Nullable String mRequiredVerifierPackage; 1103 final @NonNull String mRequiredInstallerPackage; 1104 final @Nullable String mSetupWizardPackage; 1105 final @NonNull String mServicesSystemSharedLibraryPackageName; 1106 1107 private final PackageUsage mPackageUsage = new PackageUsage(); 1108 1109 private class PackageUsage { 1110 private static final int WRITE_INTERVAL 1111 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1112 1113 private final Object mFileLock = new Object(); 1114 private final AtomicLong mLastWritten = new AtomicLong(0); 1115 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1116 1117 private boolean mIsHistoricalPackageUsageAvailable = true; 1118 1119 boolean isHistoricalPackageUsageAvailable() { 1120 return mIsHistoricalPackageUsageAvailable; 1121 } 1122 1123 void write(boolean force) { 1124 if (force) { 1125 writeInternal(); 1126 return; 1127 } 1128 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1129 && !DEBUG_DEXOPT) { 1130 return; 1131 } 1132 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1133 new Thread("PackageUsage_DiskWriter") { 1134 @Override 1135 public void run() { 1136 try { 1137 writeInternal(); 1138 } finally { 1139 mBackgroundWriteRunning.set(false); 1140 } 1141 } 1142 }.start(); 1143 } 1144 } 1145 1146 private void writeInternal() { 1147 synchronized (mPackages) { 1148 synchronized (mFileLock) { 1149 AtomicFile file = getFile(); 1150 FileOutputStream f = null; 1151 try { 1152 f = file.startWrite(); 1153 BufferedOutputStream out = new BufferedOutputStream(f); 1154 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1155 StringBuilder sb = new StringBuilder(); 1156 for (PackageParser.Package pkg : mPackages.values()) { 1157 if (pkg.mLastPackageUsageTimeInMills == 0) { 1158 continue; 1159 } 1160 sb.setLength(0); 1161 sb.append(pkg.packageName); 1162 sb.append(' '); 1163 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1164 sb.append('\n'); 1165 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1166 } 1167 out.flush(); 1168 file.finishWrite(f); 1169 } catch (IOException e) { 1170 if (f != null) { 1171 file.failWrite(f); 1172 } 1173 Log.e(TAG, "Failed to write package usage times", e); 1174 } 1175 } 1176 } 1177 mLastWritten.set(SystemClock.elapsedRealtime()); 1178 } 1179 1180 void readLP() { 1181 synchronized (mFileLock) { 1182 AtomicFile file = getFile(); 1183 BufferedInputStream in = null; 1184 try { 1185 in = new BufferedInputStream(file.openRead()); 1186 StringBuffer sb = new StringBuffer(); 1187 while (true) { 1188 String packageName = readToken(in, sb, ' '); 1189 if (packageName == null) { 1190 break; 1191 } 1192 String timeInMillisString = readToken(in, sb, '\n'); 1193 if (timeInMillisString == null) { 1194 throw new IOException("Failed to find last usage time for package " 1195 + packageName); 1196 } 1197 PackageParser.Package pkg = mPackages.get(packageName); 1198 if (pkg == null) { 1199 continue; 1200 } 1201 long timeInMillis; 1202 try { 1203 timeInMillis = Long.parseLong(timeInMillisString); 1204 } catch (NumberFormatException e) { 1205 throw new IOException("Failed to parse " + timeInMillisString 1206 + " as a long.", e); 1207 } 1208 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1209 } 1210 } catch (FileNotFoundException expected) { 1211 mIsHistoricalPackageUsageAvailable = false; 1212 } catch (IOException e) { 1213 Log.w(TAG, "Failed to read package usage times", e); 1214 } finally { 1215 IoUtils.closeQuietly(in); 1216 } 1217 } 1218 mLastWritten.set(SystemClock.elapsedRealtime()); 1219 } 1220 1221 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1222 throws IOException { 1223 sb.setLength(0); 1224 while (true) { 1225 int ch = in.read(); 1226 if (ch == -1) { 1227 if (sb.length() == 0) { 1228 return null; 1229 } 1230 throw new IOException("Unexpected EOF"); 1231 } 1232 if (ch == endOfToken) { 1233 return sb.toString(); 1234 } 1235 sb.append((char)ch); 1236 } 1237 } 1238 1239 private AtomicFile getFile() { 1240 File dataDir = Environment.getDataDirectory(); 1241 File systemDir = new File(dataDir, "system"); 1242 File fname = new File(systemDir, "package-usage.list"); 1243 return new AtomicFile(fname); 1244 } 1245 } 1246 1247 class PackageHandler extends Handler { 1248 private boolean mBound = false; 1249 final ArrayList<HandlerParams> mPendingInstalls = 1250 new ArrayList<HandlerParams>(); 1251 1252 private boolean connectToService() { 1253 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1254 " DefaultContainerService"); 1255 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1256 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1257 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1258 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1259 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1260 mBound = true; 1261 return true; 1262 } 1263 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1264 return false; 1265 } 1266 1267 private void disconnectService() { 1268 mContainerService = null; 1269 mBound = false; 1270 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1271 mContext.unbindService(mDefContainerConn); 1272 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1273 } 1274 1275 PackageHandler(Looper looper) { 1276 super(looper); 1277 } 1278 1279 public void handleMessage(Message msg) { 1280 try { 1281 doHandleMessage(msg); 1282 } finally { 1283 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1284 } 1285 } 1286 1287 void doHandleMessage(Message msg) { 1288 switch (msg.what) { 1289 case INIT_COPY: { 1290 HandlerParams params = (HandlerParams) msg.obj; 1291 int idx = mPendingInstalls.size(); 1292 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1293 // If a bind was already initiated we dont really 1294 // need to do anything. The pending install 1295 // will be processed later on. 1296 if (!mBound) { 1297 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1298 System.identityHashCode(mHandler)); 1299 // If this is the only one pending we might 1300 // have to bind to the service again. 1301 if (!connectToService()) { 1302 Slog.e(TAG, "Failed to bind to media container service"); 1303 params.serviceError(); 1304 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1305 System.identityHashCode(mHandler)); 1306 if (params.traceMethod != null) { 1307 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1308 params.traceCookie); 1309 } 1310 return; 1311 } else { 1312 // Once we bind to the service, the first 1313 // pending request will be processed. 1314 mPendingInstalls.add(idx, params); 1315 } 1316 } else { 1317 mPendingInstalls.add(idx, params); 1318 // Already bound to the service. Just make 1319 // sure we trigger off processing the first request. 1320 if (idx == 0) { 1321 mHandler.sendEmptyMessage(MCS_BOUND); 1322 } 1323 } 1324 break; 1325 } 1326 case MCS_BOUND: { 1327 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1328 if (msg.obj != null) { 1329 mContainerService = (IMediaContainerService) msg.obj; 1330 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1331 System.identityHashCode(mHandler)); 1332 } 1333 if (mContainerService == null) { 1334 if (!mBound) { 1335 // Something seriously wrong since we are not bound and we are not 1336 // waiting for connection. Bail out. 1337 Slog.e(TAG, "Cannot bind to media container service"); 1338 for (HandlerParams params : mPendingInstalls) { 1339 // Indicate service bind error 1340 params.serviceError(); 1341 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1342 System.identityHashCode(params)); 1343 if (params.traceMethod != null) { 1344 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1345 params.traceMethod, params.traceCookie); 1346 } 1347 return; 1348 } 1349 mPendingInstalls.clear(); 1350 } else { 1351 Slog.w(TAG, "Waiting to connect to media container service"); 1352 } 1353 } else if (mPendingInstalls.size() > 0) { 1354 HandlerParams params = mPendingInstalls.get(0); 1355 if (params != null) { 1356 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1357 System.identityHashCode(params)); 1358 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1359 if (params.startCopy()) { 1360 // We are done... look for more work or to 1361 // go idle. 1362 if (DEBUG_SD_INSTALL) Log.i(TAG, 1363 "Checking for more work or unbind..."); 1364 // Delete pending install 1365 if (mPendingInstalls.size() > 0) { 1366 mPendingInstalls.remove(0); 1367 } 1368 if (mPendingInstalls.size() == 0) { 1369 if (mBound) { 1370 if (DEBUG_SD_INSTALL) Log.i(TAG, 1371 "Posting delayed MCS_UNBIND"); 1372 removeMessages(MCS_UNBIND); 1373 Message ubmsg = obtainMessage(MCS_UNBIND); 1374 // Unbind after a little delay, to avoid 1375 // continual thrashing. 1376 sendMessageDelayed(ubmsg, 10000); 1377 } 1378 } else { 1379 // There are more pending requests in queue. 1380 // Just post MCS_BOUND message to trigger processing 1381 // of next pending install. 1382 if (DEBUG_SD_INSTALL) Log.i(TAG, 1383 "Posting MCS_BOUND for next work"); 1384 mHandler.sendEmptyMessage(MCS_BOUND); 1385 } 1386 } 1387 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1388 } 1389 } else { 1390 // Should never happen ideally. 1391 Slog.w(TAG, "Empty queue"); 1392 } 1393 break; 1394 } 1395 case MCS_RECONNECT: { 1396 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1397 if (mPendingInstalls.size() > 0) { 1398 if (mBound) { 1399 disconnectService(); 1400 } 1401 if (!connectToService()) { 1402 Slog.e(TAG, "Failed to bind to media container service"); 1403 for (HandlerParams params : mPendingInstalls) { 1404 // Indicate service bind error 1405 params.serviceError(); 1406 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1407 System.identityHashCode(params)); 1408 } 1409 mPendingInstalls.clear(); 1410 } 1411 } 1412 break; 1413 } 1414 case MCS_UNBIND: { 1415 // If there is no actual work left, then time to unbind. 1416 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1417 1418 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1419 if (mBound) { 1420 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1421 1422 disconnectService(); 1423 } 1424 } else if (mPendingInstalls.size() > 0) { 1425 // There are more pending requests in queue. 1426 // Just post MCS_BOUND message to trigger processing 1427 // of next pending install. 1428 mHandler.sendEmptyMessage(MCS_BOUND); 1429 } 1430 1431 break; 1432 } 1433 case MCS_GIVE_UP: { 1434 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1435 HandlerParams params = mPendingInstalls.remove(0); 1436 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1437 System.identityHashCode(params)); 1438 break; 1439 } 1440 case SEND_PENDING_BROADCAST: { 1441 String packages[]; 1442 ArrayList<String> components[]; 1443 int size = 0; 1444 int uids[]; 1445 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1446 synchronized (mPackages) { 1447 if (mPendingBroadcasts == null) { 1448 return; 1449 } 1450 size = mPendingBroadcasts.size(); 1451 if (size <= 0) { 1452 // Nothing to be done. Just return 1453 return; 1454 } 1455 packages = new String[size]; 1456 components = new ArrayList[size]; 1457 uids = new int[size]; 1458 int i = 0; // filling out the above arrays 1459 1460 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1461 int packageUserId = mPendingBroadcasts.userIdAt(n); 1462 Iterator<Map.Entry<String, ArrayList<String>>> it 1463 = mPendingBroadcasts.packagesForUserId(packageUserId) 1464 .entrySet().iterator(); 1465 while (it.hasNext() && i < size) { 1466 Map.Entry<String, ArrayList<String>> ent = it.next(); 1467 packages[i] = ent.getKey(); 1468 components[i] = ent.getValue(); 1469 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1470 uids[i] = (ps != null) 1471 ? UserHandle.getUid(packageUserId, ps.appId) 1472 : -1; 1473 i++; 1474 } 1475 } 1476 size = i; 1477 mPendingBroadcasts.clear(); 1478 } 1479 // Send broadcasts 1480 for (int i = 0; i < size; i++) { 1481 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1482 } 1483 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1484 break; 1485 } 1486 case START_CLEANING_PACKAGE: { 1487 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1488 final String packageName = (String)msg.obj; 1489 final int userId = msg.arg1; 1490 final boolean andCode = msg.arg2 != 0; 1491 synchronized (mPackages) { 1492 if (userId == UserHandle.USER_ALL) { 1493 int[] users = sUserManager.getUserIds(); 1494 for (int user : users) { 1495 mSettings.addPackageToCleanLPw( 1496 new PackageCleanItem(user, packageName, andCode)); 1497 } 1498 } else { 1499 mSettings.addPackageToCleanLPw( 1500 new PackageCleanItem(userId, packageName, andCode)); 1501 } 1502 } 1503 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1504 startCleaningPackages(); 1505 } break; 1506 case POST_INSTALL: { 1507 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1508 1509 PostInstallData data = mRunningInstalls.get(msg.arg1); 1510 mRunningInstalls.delete(msg.arg1); 1511 1512 if (data != null) { 1513 InstallArgs args = data.args; 1514 PackageInstalledInfo parentRes = data.res; 1515 1516 final boolean grantPermissions = (args.installFlags 1517 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1518 final boolean killApp = (args.installFlags 1519 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1520 final String[] grantedPermissions = args.installGrantPermissions; 1521 1522 // Handle the parent package 1523 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1524 grantedPermissions, args.observer); 1525 1526 // Handle the child packages 1527 final int childCount = (parentRes.addedChildPackages != null) 1528 ? parentRes.addedChildPackages.size() : 0; 1529 for (int i = 0; i < childCount; i++) { 1530 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1531 handlePackagePostInstall(childRes, grantPermissions, killApp, 1532 grantedPermissions, args.observer); 1533 } 1534 1535 // Log tracing if needed 1536 if (args.traceMethod != null) { 1537 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1538 args.traceCookie); 1539 } 1540 } else { 1541 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1542 } 1543 1544 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1545 } break; 1546 case UPDATED_MEDIA_STATUS: { 1547 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1548 boolean reportStatus = msg.arg1 == 1; 1549 boolean doGc = msg.arg2 == 1; 1550 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1551 if (doGc) { 1552 // Force a gc to clear up stale containers. 1553 Runtime.getRuntime().gc(); 1554 } 1555 if (msg.obj != null) { 1556 @SuppressWarnings("unchecked") 1557 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1558 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1559 // Unload containers 1560 unloadAllContainers(args); 1561 } 1562 if (reportStatus) { 1563 try { 1564 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1565 PackageHelper.getMountService().finishMediaUpdate(); 1566 } catch (RemoteException e) { 1567 Log.e(TAG, "MountService not running?"); 1568 } 1569 } 1570 } break; 1571 case WRITE_SETTINGS: { 1572 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1573 synchronized (mPackages) { 1574 removeMessages(WRITE_SETTINGS); 1575 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1576 mSettings.writeLPr(); 1577 mDirtyUsers.clear(); 1578 } 1579 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1580 } break; 1581 case WRITE_PACKAGE_RESTRICTIONS: { 1582 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1583 synchronized (mPackages) { 1584 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1585 for (int userId : mDirtyUsers) { 1586 mSettings.writePackageRestrictionsLPr(userId); 1587 } 1588 mDirtyUsers.clear(); 1589 } 1590 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1591 } break; 1592 case CHECK_PENDING_VERIFICATION: { 1593 final int verificationId = msg.arg1; 1594 final PackageVerificationState state = mPendingVerification.get(verificationId); 1595 1596 if ((state != null) && !state.timeoutExtended()) { 1597 final InstallArgs args = state.getInstallArgs(); 1598 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1599 1600 Slog.i(TAG, "Verification timed out for " + originUri); 1601 mPendingVerification.remove(verificationId); 1602 1603 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1604 1605 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1606 Slog.i(TAG, "Continuing with installation of " + originUri); 1607 state.setVerifierResponse(Binder.getCallingUid(), 1608 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1609 broadcastPackageVerified(verificationId, originUri, 1610 PackageManager.VERIFICATION_ALLOW, 1611 state.getInstallArgs().getUser()); 1612 try { 1613 ret = args.copyApk(mContainerService, true); 1614 } catch (RemoteException e) { 1615 Slog.e(TAG, "Could not contact the ContainerService"); 1616 } 1617 } else { 1618 broadcastPackageVerified(verificationId, originUri, 1619 PackageManager.VERIFICATION_REJECT, 1620 state.getInstallArgs().getUser()); 1621 } 1622 1623 Trace.asyncTraceEnd( 1624 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1625 1626 processPendingInstall(args, ret); 1627 mHandler.sendEmptyMessage(MCS_UNBIND); 1628 } 1629 break; 1630 } 1631 case PACKAGE_VERIFIED: { 1632 final int verificationId = msg.arg1; 1633 1634 final PackageVerificationState state = mPendingVerification.get(verificationId); 1635 if (state == null) { 1636 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1637 break; 1638 } 1639 1640 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1641 1642 state.setVerifierResponse(response.callerUid, response.code); 1643 1644 if (state.isVerificationComplete()) { 1645 mPendingVerification.remove(verificationId); 1646 1647 final InstallArgs args = state.getInstallArgs(); 1648 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1649 1650 int ret; 1651 if (state.isInstallAllowed()) { 1652 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1653 broadcastPackageVerified(verificationId, originUri, 1654 response.code, state.getInstallArgs().getUser()); 1655 try { 1656 ret = args.copyApk(mContainerService, true); 1657 } catch (RemoteException e) { 1658 Slog.e(TAG, "Could not contact the ContainerService"); 1659 } 1660 } else { 1661 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1662 } 1663 1664 Trace.asyncTraceEnd( 1665 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1666 1667 processPendingInstall(args, ret); 1668 mHandler.sendEmptyMessage(MCS_UNBIND); 1669 } 1670 1671 break; 1672 } 1673 case START_INTENT_FILTER_VERIFICATIONS: { 1674 IFVerificationParams params = (IFVerificationParams) msg.obj; 1675 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1676 params.replacing, params.pkg); 1677 break; 1678 } 1679 case INTENT_FILTER_VERIFIED: { 1680 final int verificationId = msg.arg1; 1681 1682 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1683 verificationId); 1684 if (state == null) { 1685 Slog.w(TAG, "Invalid IntentFilter verification token " 1686 + verificationId + " received"); 1687 break; 1688 } 1689 1690 final int userId = state.getUserId(); 1691 1692 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1693 "Processing IntentFilter verification with token:" 1694 + verificationId + " and userId:" + userId); 1695 1696 final IntentFilterVerificationResponse response = 1697 (IntentFilterVerificationResponse) msg.obj; 1698 1699 state.setVerifierResponse(response.callerUid, response.code); 1700 1701 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1702 "IntentFilter verification with token:" + verificationId 1703 + " and userId:" + userId 1704 + " is settings verifier response with response code:" 1705 + response.code); 1706 1707 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1708 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1709 + response.getFailedDomainsString()); 1710 } 1711 1712 if (state.isVerificationComplete()) { 1713 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1714 } else { 1715 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1716 "IntentFilter verification with token:" + verificationId 1717 + " was not said to be complete"); 1718 } 1719 1720 break; 1721 } 1722 } 1723 } 1724 } 1725 1726 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1727 boolean killApp, String[] grantedPermissions, 1728 IPackageInstallObserver2 installObserver) { 1729 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1730 // Send the removed broadcasts 1731 if (res.removedInfo != null) { 1732 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1733 } 1734 1735 // Now that we successfully installed the package, grant runtime 1736 // permissions if requested before broadcasting the install. 1737 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1738 >= Build.VERSION_CODES.M) { 1739 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1740 } 1741 1742 final boolean update = res.removedInfo != null 1743 && res.removedInfo.removedPackage != null; 1744 1745 // If this is the first time we have child packages for a disabled privileged 1746 // app that had no children, we grant requested runtime permissions to the new 1747 // children if the parent on the system image had them already granted. 1748 if (res.pkg.parentPackage != null) { 1749 synchronized (mPackages) { 1750 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1751 } 1752 } 1753 1754 synchronized (mPackages) { 1755 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1756 } 1757 1758 final String packageName = res.pkg.applicationInfo.packageName; 1759 Bundle extras = new Bundle(1); 1760 extras.putInt(Intent.EXTRA_UID, res.uid); 1761 1762 // Determine the set of users who are adding this package for 1763 // the first time vs. those who are seeing an update. 1764 int[] firstUsers = EMPTY_INT_ARRAY; 1765 int[] updateUsers = EMPTY_INT_ARRAY; 1766 if (res.origUsers == null || res.origUsers.length == 0) { 1767 firstUsers = res.newUsers; 1768 } else { 1769 for (int newUser : res.newUsers) { 1770 boolean isNew = true; 1771 for (int origUser : res.origUsers) { 1772 if (origUser == newUser) { 1773 isNew = false; 1774 break; 1775 } 1776 } 1777 if (isNew) { 1778 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1779 } else { 1780 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1781 } 1782 } 1783 } 1784 1785 // Send installed broadcasts if the install/update is not ephemeral 1786 if (!isEphemeral(res.pkg)) { 1787 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1788 1789 // Send added for users that see the package for the first time 1790 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1791 extras, 0 /*flags*/, null /*targetPackage*/, 1792 null /*finishedReceiver*/, firstUsers); 1793 1794 // Send added for users that don't see the package for the first time 1795 if (update) { 1796 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1797 } 1798 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1799 extras, 0 /*flags*/, null /*targetPackage*/, 1800 null /*finishedReceiver*/, updateUsers); 1801 1802 // Send replaced for users that don't see the package for the first time 1803 if (update) { 1804 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1805 packageName, extras, 0 /*flags*/, 1806 null /*targetPackage*/, null /*finishedReceiver*/, 1807 updateUsers); 1808 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1809 null /*package*/, null /*extras*/, 0 /*flags*/, 1810 packageName /*targetPackage*/, 1811 null /*finishedReceiver*/, updateUsers); 1812 } 1813 1814 // Send broadcast package appeared if forward locked/external for all users 1815 // treat asec-hosted packages like removable media on upgrade 1816 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1817 if (DEBUG_INSTALL) { 1818 Slog.i(TAG, "upgrading pkg " + res.pkg 1819 + " is ASEC-hosted -> AVAILABLE"); 1820 } 1821 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1822 ArrayList<String> pkgList = new ArrayList<>(1); 1823 pkgList.add(packageName); 1824 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1825 } 1826 } 1827 1828 // Work that needs to happen on first install within each user 1829 if (firstUsers != null && firstUsers.length > 0) { 1830 synchronized (mPackages) { 1831 for (int userId : firstUsers) { 1832 // If this app is a browser and it's newly-installed for some 1833 // users, clear any default-browser state in those users. The 1834 // app's nature doesn't depend on the user, so we can just check 1835 // its browser nature in any user and generalize. 1836 if (packageIsBrowser(packageName, userId)) { 1837 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1838 } 1839 1840 // We may also need to apply pending (restored) runtime 1841 // permission grants within these users. 1842 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1843 } 1844 } 1845 } 1846 1847 // Log current value of "unknown sources" setting 1848 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1849 getUnknownSourcesSettings()); 1850 1851 // Force a gc to clear up things 1852 Runtime.getRuntime().gc(); 1853 1854 // Remove the replaced package's older resources safely now 1855 // We delete after a gc for applications on sdcard. 1856 if (res.removedInfo != null && res.removedInfo.args != null) { 1857 synchronized (mInstallLock) { 1858 res.removedInfo.args.doPostDeleteLI(true); 1859 } 1860 } 1861 } 1862 1863 // If someone is watching installs - notify them 1864 if (installObserver != null) { 1865 try { 1866 Bundle extras = extrasForInstallResult(res); 1867 installObserver.onPackageInstalled(res.name, res.returnCode, 1868 res.returnMsg, extras); 1869 } catch (RemoteException e) { 1870 Slog.i(TAG, "Observer no longer exists."); 1871 } 1872 } 1873 } 1874 1875 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1876 PackageParser.Package pkg) { 1877 if (pkg.parentPackage == null) { 1878 return; 1879 } 1880 if (pkg.requestedPermissions == null) { 1881 return; 1882 } 1883 final PackageSetting disabledSysParentPs = mSettings 1884 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1885 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1886 || !disabledSysParentPs.isPrivileged() 1887 || (disabledSysParentPs.childPackageNames != null 1888 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1889 return; 1890 } 1891 final int[] allUserIds = sUserManager.getUserIds(); 1892 final int permCount = pkg.requestedPermissions.size(); 1893 for (int i = 0; i < permCount; i++) { 1894 String permission = pkg.requestedPermissions.get(i); 1895 BasePermission bp = mSettings.mPermissions.get(permission); 1896 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1897 continue; 1898 } 1899 for (int userId : allUserIds) { 1900 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1901 permission, userId)) { 1902 grantRuntimePermission(pkg.packageName, permission, userId); 1903 } 1904 } 1905 } 1906 } 1907 1908 private StorageEventListener mStorageListener = new StorageEventListener() { 1909 @Override 1910 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1911 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1912 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1913 final String volumeUuid = vol.getFsUuid(); 1914 1915 // Clean up any users or apps that were removed or recreated 1916 // while this volume was missing 1917 reconcileUsers(volumeUuid); 1918 reconcileApps(volumeUuid); 1919 1920 // Clean up any install sessions that expired or were 1921 // cancelled while this volume was missing 1922 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1923 1924 loadPrivatePackages(vol); 1925 1926 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1927 unloadPrivatePackages(vol); 1928 } 1929 } 1930 1931 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1932 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1933 updateExternalMediaStatus(true, false); 1934 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1935 updateExternalMediaStatus(false, false); 1936 } 1937 } 1938 } 1939 1940 @Override 1941 public void onVolumeForgotten(String fsUuid) { 1942 if (TextUtils.isEmpty(fsUuid)) { 1943 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1944 return; 1945 } 1946 1947 // Remove any apps installed on the forgotten volume 1948 synchronized (mPackages) { 1949 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1950 for (PackageSetting ps : packages) { 1951 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1952 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1953 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1954 } 1955 1956 mSettings.onVolumeForgotten(fsUuid); 1957 mSettings.writeLPr(); 1958 } 1959 } 1960 }; 1961 1962 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1963 String[] grantedPermissions) { 1964 for (int userId : userIds) { 1965 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1966 } 1967 1968 // We could have touched GID membership, so flush out packages.list 1969 synchronized (mPackages) { 1970 mSettings.writePackageListLPr(); 1971 } 1972 } 1973 1974 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1975 String[] grantedPermissions) { 1976 SettingBase sb = (SettingBase) pkg.mExtras; 1977 if (sb == null) { 1978 return; 1979 } 1980 1981 PermissionsState permissionsState = sb.getPermissionsState(); 1982 1983 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1984 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1985 1986 synchronized (mPackages) { 1987 for (String permission : pkg.requestedPermissions) { 1988 BasePermission bp = mSettings.mPermissions.get(permission); 1989 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1990 && (grantedPermissions == null 1991 || ArrayUtils.contains(grantedPermissions, permission))) { 1992 final int flags = permissionsState.getPermissionFlags(permission, userId); 1993 // Installer cannot change immutable permissions. 1994 if ((flags & immutableFlags) == 0) { 1995 grantRuntimePermission(pkg.packageName, permission, userId); 1996 } 1997 } 1998 } 1999 } 2000 } 2001 2002 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2003 Bundle extras = null; 2004 switch (res.returnCode) { 2005 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2006 extras = new Bundle(); 2007 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2008 res.origPermission); 2009 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2010 res.origPackage); 2011 break; 2012 } 2013 case PackageManager.INSTALL_SUCCEEDED: { 2014 extras = new Bundle(); 2015 extras.putBoolean(Intent.EXTRA_REPLACING, 2016 res.removedInfo != null && res.removedInfo.removedPackage != null); 2017 break; 2018 } 2019 } 2020 return extras; 2021 } 2022 2023 void scheduleWriteSettingsLocked() { 2024 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2025 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2026 } 2027 } 2028 2029 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2030 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2031 scheduleWritePackageRestrictionsLocked(userId); 2032 } 2033 2034 void scheduleWritePackageRestrictionsLocked(int userId) { 2035 final int[] userIds = (userId == UserHandle.USER_ALL) 2036 ? sUserManager.getUserIds() : new int[]{userId}; 2037 for (int nextUserId : userIds) { 2038 if (!sUserManager.exists(nextUserId)) return; 2039 mDirtyUsers.add(nextUserId); 2040 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2041 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2042 } 2043 } 2044 } 2045 2046 public static PackageManagerService main(Context context, Installer installer, 2047 boolean factoryTest, boolean onlyCore) { 2048 // Self-check for initial settings. 2049 PackageManagerServiceCompilerMapping.checkProperties(); 2050 2051 PackageManagerService m = new PackageManagerService(context, installer, 2052 factoryTest, onlyCore); 2053 m.enableSystemUserPackages(); 2054 ServiceManager.addService("package", m); 2055 return m; 2056 } 2057 2058 private void enableSystemUserPackages() { 2059 if (!UserManager.isSplitSystemUser()) { 2060 return; 2061 } 2062 // For system user, enable apps based on the following conditions: 2063 // - app is whitelisted or belong to one of these groups: 2064 // -- system app which has no launcher icons 2065 // -- system app which has INTERACT_ACROSS_USERS permission 2066 // -- system IME app 2067 // - app is not in the blacklist 2068 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2069 Set<String> enableApps = new ArraySet<>(); 2070 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2071 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2072 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2073 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2074 enableApps.addAll(wlApps); 2075 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2076 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2077 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2078 enableApps.removeAll(blApps); 2079 Log.i(TAG, "Applications installed for system user: " + enableApps); 2080 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2081 UserHandle.SYSTEM); 2082 final int allAppsSize = allAps.size(); 2083 synchronized (mPackages) { 2084 for (int i = 0; i < allAppsSize; i++) { 2085 String pName = allAps.get(i); 2086 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2087 // Should not happen, but we shouldn't be failing if it does 2088 if (pkgSetting == null) { 2089 continue; 2090 } 2091 boolean install = enableApps.contains(pName); 2092 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2093 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2094 + " for system user"); 2095 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2096 } 2097 } 2098 } 2099 } 2100 2101 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2102 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2103 Context.DISPLAY_SERVICE); 2104 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2105 } 2106 2107 public PackageManagerService(Context context, Installer installer, 2108 boolean factoryTest, boolean onlyCore) { 2109 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2110 SystemClock.uptimeMillis()); 2111 2112 if (mSdkVersion <= 0) { 2113 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2114 } 2115 2116 mContext = context; 2117 mFactoryTest = factoryTest; 2118 mOnlyCore = onlyCore; 2119 mMetrics = new DisplayMetrics(); 2120 mSettings = new Settings(mPackages); 2121 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2122 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2123 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2124 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2125 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2126 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2127 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2128 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2129 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2130 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2131 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2132 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2133 2134 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2135 if (separateProcesses != null && separateProcesses.length() > 0) { 2136 if ("*".equals(separateProcesses)) { 2137 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2138 mSeparateProcesses = null; 2139 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2140 } else { 2141 mDefParseFlags = 0; 2142 mSeparateProcesses = separateProcesses.split(","); 2143 Slog.w(TAG, "Running with debug.separate_processes: " 2144 + separateProcesses); 2145 } 2146 } else { 2147 mDefParseFlags = 0; 2148 mSeparateProcesses = null; 2149 } 2150 2151 mInstaller = installer; 2152 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2153 "*dexopt*"); 2154 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2155 2156 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2157 FgThread.get().getLooper()); 2158 2159 getDefaultDisplayMetrics(context, mMetrics); 2160 2161 SystemConfig systemConfig = SystemConfig.getInstance(); 2162 mGlobalGids = systemConfig.getGlobalGids(); 2163 mSystemPermissions = systemConfig.getSystemPermissions(); 2164 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2165 2166 synchronized (mInstallLock) { 2167 // writer 2168 synchronized (mPackages) { 2169 mHandlerThread = new ServiceThread(TAG, 2170 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2171 mHandlerThread.start(); 2172 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2173 mProcessLoggingHandler = new ProcessLoggingHandler(); 2174 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2175 2176 File dataDir = Environment.getDataDirectory(); 2177 mAppInstallDir = new File(dataDir, "app"); 2178 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2179 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2180 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2181 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2182 2183 sUserManager = new UserManagerService(context, this, mPackages); 2184 2185 // Propagate permission configuration in to package manager. 2186 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2187 = systemConfig.getPermissions(); 2188 for (int i=0; i<permConfig.size(); i++) { 2189 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2190 BasePermission bp = mSettings.mPermissions.get(perm.name); 2191 if (bp == null) { 2192 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2193 mSettings.mPermissions.put(perm.name, bp); 2194 } 2195 if (perm.gids != null) { 2196 bp.setGids(perm.gids, perm.perUser); 2197 } 2198 } 2199 2200 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2201 for (int i=0; i<libConfig.size(); i++) { 2202 mSharedLibraries.put(libConfig.keyAt(i), 2203 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2204 } 2205 2206 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2207 2208 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2209 2210 String customResolverActivity = Resources.getSystem().getString( 2211 R.string.config_customResolverActivity); 2212 if (TextUtils.isEmpty(customResolverActivity)) { 2213 customResolverActivity = null; 2214 } else { 2215 mCustomResolverComponentName = ComponentName.unflattenFromString( 2216 customResolverActivity); 2217 } 2218 2219 long startTime = SystemClock.uptimeMillis(); 2220 2221 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2222 startTime); 2223 2224 // Set flag to monitor and not change apk file paths when 2225 // scanning install directories. 2226 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2227 2228 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2229 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2230 2231 if (bootClassPath == null) { 2232 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2233 } 2234 2235 if (systemServerClassPath == null) { 2236 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2237 } 2238 2239 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2240 final String[] dexCodeInstructionSets = 2241 getDexCodeInstructionSets( 2242 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2243 2244 /** 2245 * Ensure all external libraries have had dexopt run on them. 2246 */ 2247 if (mSharedLibraries.size() > 0) { 2248 // NOTE: For now, we're compiling these system "shared libraries" 2249 // (and framework jars) into all available architectures. It's possible 2250 // to compile them only when we come across an app that uses them (there's 2251 // already logic for that in scanPackageLI) but that adds some complexity. 2252 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2253 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2254 final String lib = libEntry.path; 2255 if (lib == null) { 2256 continue; 2257 } 2258 2259 try { 2260 // Shared libraries do not have profiles so we perform a full 2261 // AOT compilation (if needed). 2262 int dexoptNeeded = DexFile.getDexOptNeeded( 2263 lib, dexCodeInstructionSet, 2264 getCompilerFilterForReason(REASON_SHARED_APK), 2265 false /* newProfile */); 2266 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2267 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2268 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2269 getCompilerFilterForReason(REASON_SHARED_APK), 2270 StorageManager.UUID_PRIVATE_INTERNAL); 2271 } 2272 } catch (FileNotFoundException e) { 2273 Slog.w(TAG, "Library not found: " + lib); 2274 } catch (IOException | InstallerException e) { 2275 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2276 + e.getMessage()); 2277 } 2278 } 2279 } 2280 } 2281 2282 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2283 2284 final VersionInfo ver = mSettings.getInternalVersion(); 2285 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2286 2287 // when upgrading from pre-M, promote system app permissions from install to runtime 2288 mPromoteSystemApps = 2289 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2290 2291 // save off the names of pre-existing system packages prior to scanning; we don't 2292 // want to automatically grant runtime permissions for new system apps 2293 if (mPromoteSystemApps) { 2294 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2295 while (pkgSettingIter.hasNext()) { 2296 PackageSetting ps = pkgSettingIter.next(); 2297 if (isSystemApp(ps)) { 2298 mExistingSystemPackages.add(ps.name); 2299 } 2300 } 2301 } 2302 2303 // When upgrading from pre-N, we need to handle package extraction like first boot, 2304 // as there is no profiling data available. 2305 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2306 mSettings.setNWorkDone(); 2307 2308 // Collect vendor overlay packages. 2309 // (Do this before scanning any apps.) 2310 // For security and version matching reason, only consider 2311 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2312 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2313 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2314 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2315 2316 // Find base frameworks (resource packages without code). 2317 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2318 | PackageParser.PARSE_IS_SYSTEM_DIR 2319 | PackageParser.PARSE_IS_PRIVILEGED, 2320 scanFlags | SCAN_NO_DEX, 0); 2321 2322 // Collected privileged system packages. 2323 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2324 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2325 | PackageParser.PARSE_IS_SYSTEM_DIR 2326 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2327 2328 // Collect ordinary system packages. 2329 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2330 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2331 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2332 2333 // Collect all vendor packages. 2334 File vendorAppDir = new File("/vendor/app"); 2335 try { 2336 vendorAppDir = vendorAppDir.getCanonicalFile(); 2337 } catch (IOException e) { 2338 // failed to look up canonical path, continue with original one 2339 } 2340 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2341 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2342 2343 // Collect all OEM packages. 2344 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2345 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2346 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2347 2348 // Prune any system packages that no longer exist. 2349 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2350 if (!mOnlyCore) { 2351 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2352 while (psit.hasNext()) { 2353 PackageSetting ps = psit.next(); 2354 2355 /* 2356 * If this is not a system app, it can't be a 2357 * disable system app. 2358 */ 2359 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2360 continue; 2361 } 2362 2363 /* 2364 * If the package is scanned, it's not erased. 2365 */ 2366 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2367 if (scannedPkg != null) { 2368 /* 2369 * If the system app is both scanned and in the 2370 * disabled packages list, then it must have been 2371 * added via OTA. Remove it from the currently 2372 * scanned package so the previously user-installed 2373 * application can be scanned. 2374 */ 2375 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2376 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2377 + ps.name + "; removing system app. Last known codePath=" 2378 + ps.codePathString + ", installStatus=" + ps.installStatus 2379 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2380 + scannedPkg.mVersionCode); 2381 removePackageLI(scannedPkg, true); 2382 mExpectingBetter.put(ps.name, ps.codePath); 2383 } 2384 2385 continue; 2386 } 2387 2388 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2389 psit.remove(); 2390 logCriticalInfo(Log.WARN, "System package " + ps.name 2391 + " no longer exists; it's data will be wiped"); 2392 // Actual deletion of code and data will be handled by later 2393 // reconciliation step 2394 } else { 2395 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2396 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2397 possiblyDeletedUpdatedSystemApps.add(ps.name); 2398 } 2399 } 2400 } 2401 } 2402 2403 //look for any incomplete package installations 2404 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2405 for (int i = 0; i < deletePkgsList.size(); i++) { 2406 // Actual deletion of code and data will be handled by later 2407 // reconciliation step 2408 final String packageName = deletePkgsList.get(i).name; 2409 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2410 synchronized (mPackages) { 2411 mSettings.removePackageLPw(packageName); 2412 } 2413 } 2414 2415 //delete tmp files 2416 deleteTempPackageFiles(); 2417 2418 // Remove any shared userIDs that have no associated packages 2419 mSettings.pruneSharedUsersLPw(); 2420 2421 if (!mOnlyCore) { 2422 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2423 SystemClock.uptimeMillis()); 2424 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2425 2426 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2427 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2428 2429 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2430 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2431 2432 /** 2433 * Remove disable package settings for any updated system 2434 * apps that were removed via an OTA. If they're not a 2435 * previously-updated app, remove them completely. 2436 * Otherwise, just revoke their system-level permissions. 2437 */ 2438 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2439 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2440 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2441 2442 String msg; 2443 if (deletedPkg == null) { 2444 msg = "Updated system package " + deletedAppName 2445 + " no longer exists; it's data will be wiped"; 2446 // Actual deletion of code and data will be handled by later 2447 // reconciliation step 2448 } else { 2449 msg = "Updated system app + " + deletedAppName 2450 + " no longer present; removing system privileges for " 2451 + deletedAppName; 2452 2453 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2454 2455 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2456 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2457 } 2458 logCriticalInfo(Log.WARN, msg); 2459 } 2460 2461 /** 2462 * Make sure all system apps that we expected to appear on 2463 * the userdata partition actually showed up. If they never 2464 * appeared, crawl back and revive the system version. 2465 */ 2466 for (int i = 0; i < mExpectingBetter.size(); i++) { 2467 final String packageName = mExpectingBetter.keyAt(i); 2468 if (!mPackages.containsKey(packageName)) { 2469 final File scanFile = mExpectingBetter.valueAt(i); 2470 2471 logCriticalInfo(Log.WARN, "Expected better " + packageName 2472 + " but never showed up; reverting to system"); 2473 2474 final int reparseFlags; 2475 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2476 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2477 | PackageParser.PARSE_IS_SYSTEM_DIR 2478 | PackageParser.PARSE_IS_PRIVILEGED; 2479 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2480 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2481 | PackageParser.PARSE_IS_SYSTEM_DIR; 2482 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2483 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2484 | PackageParser.PARSE_IS_SYSTEM_DIR; 2485 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2486 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2487 | PackageParser.PARSE_IS_SYSTEM_DIR; 2488 } else { 2489 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2490 continue; 2491 } 2492 2493 mSettings.enableSystemPackageLPw(packageName); 2494 2495 try { 2496 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2497 } catch (PackageManagerException e) { 2498 Slog.e(TAG, "Failed to parse original system package: " 2499 + e.getMessage()); 2500 } 2501 } 2502 } 2503 } 2504 mExpectingBetter.clear(); 2505 2506 // Resolve protected action filters. Only the setup wizard is allowed to 2507 // have a high priority filter for these actions. 2508 mSetupWizardPackage = getSetupWizardPackageName(); 2509 if (mProtectedFilters.size() > 0) { 2510 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2511 Slog.i(TAG, "No setup wizard;" 2512 + " All protected intents capped to priority 0"); 2513 } 2514 for (ActivityIntentInfo filter : mProtectedFilters) { 2515 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2516 if (DEBUG_FILTERS) { 2517 Slog.i(TAG, "Found setup wizard;" 2518 + " allow priority " + filter.getPriority() + ";" 2519 + " package: " + filter.activity.info.packageName 2520 + " activity: " + filter.activity.className 2521 + " priority: " + filter.getPriority()); 2522 } 2523 // skip setup wizard; allow it to keep the high priority filter 2524 continue; 2525 } 2526 Slog.w(TAG, "Protected action; cap priority to 0;" 2527 + " package: " + filter.activity.info.packageName 2528 + " activity: " + filter.activity.className 2529 + " origPrio: " + filter.getPriority()); 2530 filter.setPriority(0); 2531 } 2532 } 2533 mDeferProtectedFilters = false; 2534 mProtectedFilters.clear(); 2535 2536 // Now that we know all of the shared libraries, update all clients to have 2537 // the correct library paths. 2538 updateAllSharedLibrariesLPw(); 2539 2540 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2541 // NOTE: We ignore potential failures here during a system scan (like 2542 // the rest of the commands above) because there's precious little we 2543 // can do about it. A settings error is reported, though. 2544 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2545 false /* boot complete */); 2546 } 2547 2548 // Now that we know all the packages we are keeping, 2549 // read and update their last usage times. 2550 mPackageUsage.readLP(); 2551 2552 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2553 SystemClock.uptimeMillis()); 2554 Slog.i(TAG, "Time to scan packages: " 2555 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2556 + " seconds"); 2557 2558 // If the platform SDK has changed since the last time we booted, 2559 // we need to re-grant app permission to catch any new ones that 2560 // appear. This is really a hack, and means that apps can in some 2561 // cases get permissions that the user didn't initially explicitly 2562 // allow... it would be nice to have some better way to handle 2563 // this situation. 2564 int updateFlags = UPDATE_PERMISSIONS_ALL; 2565 if (ver.sdkVersion != mSdkVersion) { 2566 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2567 + mSdkVersion + "; regranting permissions for internal storage"); 2568 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2569 } 2570 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2571 ver.sdkVersion = mSdkVersion; 2572 2573 // If this is the first boot or an update from pre-M, and it is a normal 2574 // boot, then we need to initialize the default preferred apps across 2575 // all defined users. 2576 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2577 for (UserInfo user : sUserManager.getUsers(true)) { 2578 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2579 applyFactoryDefaultBrowserLPw(user.id); 2580 primeDomainVerificationsLPw(user.id); 2581 } 2582 } 2583 2584 // Prepare storage for system user really early during boot, 2585 // since core system apps like SettingsProvider and SystemUI 2586 // can't wait for user to start 2587 final int storageFlags; 2588 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2589 storageFlags = StorageManager.FLAG_STORAGE_DE; 2590 } else { 2591 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2592 } 2593 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2594 storageFlags); 2595 2596 // If this is first boot after an OTA, and a normal boot, then 2597 // we need to clear code cache directories. 2598 if (mIsUpgrade && !onlyCore) { 2599 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2600 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2601 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2602 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2603 // No apps are running this early, so no need to freeze 2604 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2605 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2606 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2607 } 2608 clearAppProfilesLIF(ps.pkg); 2609 } 2610 ver.fingerprint = Build.FINGERPRINT; 2611 } 2612 2613 checkDefaultBrowser(); 2614 2615 // clear only after permissions and other defaults have been updated 2616 mExistingSystemPackages.clear(); 2617 mPromoteSystemApps = false; 2618 2619 // All the changes are done during package scanning. 2620 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2621 2622 // can downgrade to reader 2623 mSettings.writeLPr(); 2624 2625 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2626 SystemClock.uptimeMillis()); 2627 2628 if (!mOnlyCore) { 2629 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2630 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2631 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2632 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2633 mIntentFilterVerifierComponent); 2634 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2635 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2636 getRequiredSharedLibraryLPr( 2637 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2638 } else { 2639 mRequiredVerifierPackage = null; 2640 mRequiredInstallerPackage = null; 2641 mIntentFilterVerifierComponent = null; 2642 mIntentFilterVerifier = null; 2643 mServicesSystemSharedLibraryPackageName = null; 2644 } 2645 2646 mInstallerService = new PackageInstallerService(context, this); 2647 2648 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2649 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2650 // both the installer and resolver must be present to enable ephemeral 2651 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2652 if (DEBUG_EPHEMERAL) { 2653 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2654 + " installer:" + ephemeralInstallerComponent); 2655 } 2656 mEphemeralResolverComponent = ephemeralResolverComponent; 2657 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2658 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2659 mEphemeralResolverConnection = 2660 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2661 } else { 2662 if (DEBUG_EPHEMERAL) { 2663 final String missingComponent = 2664 (ephemeralResolverComponent == null) 2665 ? (ephemeralInstallerComponent == null) 2666 ? "resolver and installer" 2667 : "resolver" 2668 : "installer"; 2669 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2670 } 2671 mEphemeralResolverComponent = null; 2672 mEphemeralInstallerComponent = null; 2673 mEphemeralResolverConnection = null; 2674 } 2675 2676 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2677 } // synchronized (mPackages) 2678 } // synchronized (mInstallLock) 2679 2680 // Now after opening every single application zip, make sure they 2681 // are all flushed. Not really needed, but keeps things nice and 2682 // tidy. 2683 Runtime.getRuntime().gc(); 2684 2685 // The initial scanning above does many calls into installd while 2686 // holding the mPackages lock, but we're mostly interested in yelling 2687 // once we have a booted system. 2688 mInstaller.setWarnIfHeld(mPackages); 2689 2690 // Expose private service for system components to use. 2691 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2692 } 2693 2694 @Override 2695 public boolean isFirstBoot() { 2696 return !mRestoredSettings; 2697 } 2698 2699 @Override 2700 public boolean isOnlyCoreApps() { 2701 return mOnlyCore; 2702 } 2703 2704 @Override 2705 public boolean isUpgrade() { 2706 return mIsUpgrade; 2707 } 2708 2709 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2710 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2711 2712 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2713 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2714 UserHandle.USER_SYSTEM); 2715 if (matches.size() == 1) { 2716 return matches.get(0).getComponentInfo().packageName; 2717 } else { 2718 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2719 return null; 2720 } 2721 } 2722 2723 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2724 synchronized (mPackages) { 2725 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2726 if (libraryEntry == null) { 2727 throw new IllegalStateException("Missing required shared library:" + libraryName); 2728 } 2729 return libraryEntry.apk; 2730 } 2731 } 2732 2733 private @NonNull String getRequiredInstallerLPr() { 2734 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2735 intent.addCategory(Intent.CATEGORY_DEFAULT); 2736 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2737 2738 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2739 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2740 UserHandle.USER_SYSTEM); 2741 if (matches.size() == 1) { 2742 ResolveInfo resolveInfo = matches.get(0); 2743 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2744 throw new RuntimeException("The installer must be a privileged app"); 2745 } 2746 return matches.get(0).getComponentInfo().packageName; 2747 } else { 2748 throw new RuntimeException("There must be exactly one installer; found " + matches); 2749 } 2750 } 2751 2752 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2753 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2754 2755 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2756 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2757 UserHandle.USER_SYSTEM); 2758 ResolveInfo best = null; 2759 final int N = matches.size(); 2760 for (int i = 0; i < N; i++) { 2761 final ResolveInfo cur = matches.get(i); 2762 final String packageName = cur.getComponentInfo().packageName; 2763 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2764 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2765 continue; 2766 } 2767 2768 if (best == null || cur.priority > best.priority) { 2769 best = cur; 2770 } 2771 } 2772 2773 if (best != null) { 2774 return best.getComponentInfo().getComponentName(); 2775 } else { 2776 throw new RuntimeException("There must be at least one intent filter verifier"); 2777 } 2778 } 2779 2780 private @Nullable ComponentName getEphemeralResolverLPr() { 2781 final String[] packageArray = 2782 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2783 if (packageArray.length == 0) { 2784 if (DEBUG_EPHEMERAL) { 2785 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2786 } 2787 return null; 2788 } 2789 2790 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2791 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2792 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2793 UserHandle.USER_SYSTEM); 2794 2795 final int N = resolvers.size(); 2796 if (N == 0) { 2797 if (DEBUG_EPHEMERAL) { 2798 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2799 } 2800 return null; 2801 } 2802 2803 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2804 for (int i = 0; i < N; i++) { 2805 final ResolveInfo info = resolvers.get(i); 2806 2807 if (info.serviceInfo == null) { 2808 continue; 2809 } 2810 2811 final String packageName = info.serviceInfo.packageName; 2812 if (!possiblePackages.contains(packageName)) { 2813 if (DEBUG_EPHEMERAL) { 2814 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2815 + " pkg: " + packageName + ", info:" + info); 2816 } 2817 continue; 2818 } 2819 2820 if (DEBUG_EPHEMERAL) { 2821 Slog.v(TAG, "Ephemeral resolver found;" 2822 + " pkg: " + packageName + ", info:" + info); 2823 } 2824 return new ComponentName(packageName, info.serviceInfo.name); 2825 } 2826 if (DEBUG_EPHEMERAL) { 2827 Slog.v(TAG, "Ephemeral resolver NOT found"); 2828 } 2829 return null; 2830 } 2831 2832 private @Nullable ComponentName getEphemeralInstallerLPr() { 2833 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2834 intent.addCategory(Intent.CATEGORY_DEFAULT); 2835 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2836 2837 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2838 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2839 UserHandle.USER_SYSTEM); 2840 if (matches.size() == 0) { 2841 return null; 2842 } else if (matches.size() == 1) { 2843 return matches.get(0).getComponentInfo().getComponentName(); 2844 } else { 2845 throw new RuntimeException( 2846 "There must be at most one ephemeral installer; found " + matches); 2847 } 2848 } 2849 2850 private void primeDomainVerificationsLPw(int userId) { 2851 if (DEBUG_DOMAIN_VERIFICATION) { 2852 Slog.d(TAG, "Priming domain verifications in user " + userId); 2853 } 2854 2855 SystemConfig systemConfig = SystemConfig.getInstance(); 2856 ArraySet<String> packages = systemConfig.getLinkedApps(); 2857 ArraySet<String> domains = new ArraySet<String>(); 2858 2859 for (String packageName : packages) { 2860 PackageParser.Package pkg = mPackages.get(packageName); 2861 if (pkg != null) { 2862 if (!pkg.isSystemApp()) { 2863 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2864 continue; 2865 } 2866 2867 domains.clear(); 2868 for (PackageParser.Activity a : pkg.activities) { 2869 for (ActivityIntentInfo filter : a.intents) { 2870 if (hasValidDomains(filter)) { 2871 domains.addAll(filter.getHostsList()); 2872 } 2873 } 2874 } 2875 2876 if (domains.size() > 0) { 2877 if (DEBUG_DOMAIN_VERIFICATION) { 2878 Slog.v(TAG, " + " + packageName); 2879 } 2880 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2881 // state w.r.t. the formal app-linkage "no verification attempted" state; 2882 // and then 'always' in the per-user state actually used for intent resolution. 2883 final IntentFilterVerificationInfo ivi; 2884 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2885 new ArrayList<String>(domains)); 2886 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2887 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2888 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2889 } else { 2890 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2891 + "' does not handle web links"); 2892 } 2893 } else { 2894 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2895 } 2896 } 2897 2898 scheduleWritePackageRestrictionsLocked(userId); 2899 scheduleWriteSettingsLocked(); 2900 } 2901 2902 private void applyFactoryDefaultBrowserLPw(int userId) { 2903 // The default browser app's package name is stored in a string resource, 2904 // with a product-specific overlay used for vendor customization. 2905 String browserPkg = mContext.getResources().getString( 2906 com.android.internal.R.string.default_browser); 2907 if (!TextUtils.isEmpty(browserPkg)) { 2908 // non-empty string => required to be a known package 2909 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2910 if (ps == null) { 2911 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2912 browserPkg = null; 2913 } else { 2914 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2915 } 2916 } 2917 2918 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2919 // default. If there's more than one, just leave everything alone. 2920 if (browserPkg == null) { 2921 calculateDefaultBrowserLPw(userId); 2922 } 2923 } 2924 2925 private void calculateDefaultBrowserLPw(int userId) { 2926 List<String> allBrowsers = resolveAllBrowserApps(userId); 2927 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2928 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2929 } 2930 2931 private List<String> resolveAllBrowserApps(int userId) { 2932 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2933 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2934 PackageManager.MATCH_ALL, userId); 2935 2936 final int count = list.size(); 2937 List<String> result = new ArrayList<String>(count); 2938 for (int i=0; i<count; i++) { 2939 ResolveInfo info = list.get(i); 2940 if (info.activityInfo == null 2941 || !info.handleAllWebDataURI 2942 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2943 || result.contains(info.activityInfo.packageName)) { 2944 continue; 2945 } 2946 result.add(info.activityInfo.packageName); 2947 } 2948 2949 return result; 2950 } 2951 2952 private boolean packageIsBrowser(String packageName, int userId) { 2953 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2954 PackageManager.MATCH_ALL, userId); 2955 final int N = list.size(); 2956 for (int i = 0; i < N; i++) { 2957 ResolveInfo info = list.get(i); 2958 if (packageName.equals(info.activityInfo.packageName)) { 2959 return true; 2960 } 2961 } 2962 return false; 2963 } 2964 2965 private void checkDefaultBrowser() { 2966 final int myUserId = UserHandle.myUserId(); 2967 final String packageName = getDefaultBrowserPackageName(myUserId); 2968 if (packageName != null) { 2969 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2970 if (info == null) { 2971 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2972 synchronized (mPackages) { 2973 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2974 } 2975 } 2976 } 2977 } 2978 2979 @Override 2980 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2981 throws RemoteException { 2982 try { 2983 return super.onTransact(code, data, reply, flags); 2984 } catch (RuntimeException e) { 2985 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2986 Slog.wtf(TAG, "Package Manager Crash", e); 2987 } 2988 throw e; 2989 } 2990 } 2991 2992 static int[] appendInts(int[] cur, int[] add) { 2993 if (add == null) return cur; 2994 if (cur == null) return add; 2995 final int N = add.length; 2996 for (int i=0; i<N; i++) { 2997 cur = appendInt(cur, add[i]); 2998 } 2999 return cur; 3000 } 3001 3002 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3003 if (!sUserManager.exists(userId)) return null; 3004 if (ps == null) { 3005 return null; 3006 } 3007 final PackageParser.Package p = ps.pkg; 3008 if (p == null) { 3009 return null; 3010 } 3011 3012 final PermissionsState permissionsState = ps.getPermissionsState(); 3013 3014 final int[] gids = permissionsState.computeGids(userId); 3015 final Set<String> permissions = permissionsState.getPermissions(userId); 3016 final PackageUserState state = ps.readUserState(userId); 3017 3018 return PackageParser.generatePackageInfo(p, gids, flags, 3019 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3020 } 3021 3022 @Override 3023 public void checkPackageStartable(String packageName, int userId) { 3024 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 3025 3026 synchronized (mPackages) { 3027 final PackageSetting ps = mSettings.mPackages.get(packageName); 3028 if (ps == null) { 3029 throw new SecurityException("Package " + packageName + " was not found!"); 3030 } 3031 3032 if (!ps.getInstalled(userId)) { 3033 throw new SecurityException( 3034 "Package " + packageName + " was not installed for user " + userId + "!"); 3035 } 3036 3037 if (mSafeMode && !ps.isSystem()) { 3038 throw new SecurityException("Package " + packageName + " not a system app!"); 3039 } 3040 3041 if (mFrozenPackages.contains(packageName)) { 3042 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3043 } 3044 3045 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3046 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3047 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3048 } 3049 } 3050 } 3051 3052 @Override 3053 public boolean isPackageAvailable(String packageName, int userId) { 3054 if (!sUserManager.exists(userId)) return false; 3055 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3056 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3057 synchronized (mPackages) { 3058 PackageParser.Package p = mPackages.get(packageName); 3059 if (p != null) { 3060 final PackageSetting ps = (PackageSetting) p.mExtras; 3061 if (ps != null) { 3062 final PackageUserState state = ps.readUserState(userId); 3063 if (state != null) { 3064 return PackageParser.isAvailable(state); 3065 } 3066 } 3067 } 3068 } 3069 return false; 3070 } 3071 3072 @Override 3073 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3074 if (!sUserManager.exists(userId)) return null; 3075 flags = updateFlagsForPackage(flags, userId, packageName); 3076 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3077 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3078 // reader 3079 synchronized (mPackages) { 3080 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3081 PackageParser.Package p = null; 3082 if (matchFactoryOnly) { 3083 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3084 if (ps != null) { 3085 return generatePackageInfo(ps, flags, userId); 3086 } 3087 } 3088 if (p == null) { 3089 p = mPackages.get(packageName); 3090 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3091 return null; 3092 } 3093 } 3094 if (DEBUG_PACKAGE_INFO) 3095 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3096 if (p != null) { 3097 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3098 } 3099 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3100 final PackageSetting ps = mSettings.mPackages.get(packageName); 3101 return generatePackageInfo(ps, flags, userId); 3102 } 3103 } 3104 return null; 3105 } 3106 3107 @Override 3108 public String[] currentToCanonicalPackageNames(String[] names) { 3109 String[] out = new String[names.length]; 3110 // reader 3111 synchronized (mPackages) { 3112 for (int i=names.length-1; i>=0; i--) { 3113 PackageSetting ps = mSettings.mPackages.get(names[i]); 3114 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3115 } 3116 } 3117 return out; 3118 } 3119 3120 @Override 3121 public String[] canonicalToCurrentPackageNames(String[] names) { 3122 String[] out = new String[names.length]; 3123 // reader 3124 synchronized (mPackages) { 3125 for (int i=names.length-1; i>=0; i--) { 3126 String cur = mSettings.mRenamedPackages.get(names[i]); 3127 out[i] = cur != null ? cur : names[i]; 3128 } 3129 } 3130 return out; 3131 } 3132 3133 @Override 3134 public int getPackageUid(String packageName, int flags, int userId) { 3135 if (!sUserManager.exists(userId)) return -1; 3136 flags = updateFlagsForPackage(flags, userId, packageName); 3137 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3138 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3139 3140 // reader 3141 synchronized (mPackages) { 3142 final PackageParser.Package p = mPackages.get(packageName); 3143 if (p != null && p.isMatch(flags)) { 3144 return UserHandle.getUid(userId, p.applicationInfo.uid); 3145 } 3146 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3147 final PackageSetting ps = mSettings.mPackages.get(packageName); 3148 if (ps != null && ps.isMatch(flags)) { 3149 return UserHandle.getUid(userId, ps.appId); 3150 } 3151 } 3152 } 3153 3154 return -1; 3155 } 3156 3157 @Override 3158 public int[] getPackageGids(String packageName, int flags, int userId) { 3159 if (!sUserManager.exists(userId)) return null; 3160 flags = updateFlagsForPackage(flags, userId, packageName); 3161 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3162 false /* requireFullPermission */, false /* checkShell */, 3163 "getPackageGids"); 3164 3165 // reader 3166 synchronized (mPackages) { 3167 final PackageParser.Package p = mPackages.get(packageName); 3168 if (p != null && p.isMatch(flags)) { 3169 PackageSetting ps = (PackageSetting) p.mExtras; 3170 return ps.getPermissionsState().computeGids(userId); 3171 } 3172 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3173 final PackageSetting ps = mSettings.mPackages.get(packageName); 3174 if (ps != null && ps.isMatch(flags)) { 3175 return ps.getPermissionsState().computeGids(userId); 3176 } 3177 } 3178 } 3179 3180 return null; 3181 } 3182 3183 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3184 if (bp.perm != null) { 3185 return PackageParser.generatePermissionInfo(bp.perm, flags); 3186 } 3187 PermissionInfo pi = new PermissionInfo(); 3188 pi.name = bp.name; 3189 pi.packageName = bp.sourcePackage; 3190 pi.nonLocalizedLabel = bp.name; 3191 pi.protectionLevel = bp.protectionLevel; 3192 return pi; 3193 } 3194 3195 @Override 3196 public PermissionInfo getPermissionInfo(String name, int flags) { 3197 // reader 3198 synchronized (mPackages) { 3199 final BasePermission p = mSettings.mPermissions.get(name); 3200 if (p != null) { 3201 return generatePermissionInfo(p, flags); 3202 } 3203 return null; 3204 } 3205 } 3206 3207 @Override 3208 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3209 int flags) { 3210 // reader 3211 synchronized (mPackages) { 3212 if (group != null && !mPermissionGroups.containsKey(group)) { 3213 // This is thrown as NameNotFoundException 3214 return null; 3215 } 3216 3217 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3218 for (BasePermission p : mSettings.mPermissions.values()) { 3219 if (group == null) { 3220 if (p.perm == null || p.perm.info.group == null) { 3221 out.add(generatePermissionInfo(p, flags)); 3222 } 3223 } else { 3224 if (p.perm != null && group.equals(p.perm.info.group)) { 3225 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3226 } 3227 } 3228 } 3229 return new ParceledListSlice<>(out); 3230 } 3231 } 3232 3233 @Override 3234 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3235 // reader 3236 synchronized (mPackages) { 3237 return PackageParser.generatePermissionGroupInfo( 3238 mPermissionGroups.get(name), flags); 3239 } 3240 } 3241 3242 @Override 3243 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3244 // reader 3245 synchronized (mPackages) { 3246 final int N = mPermissionGroups.size(); 3247 ArrayList<PermissionGroupInfo> out 3248 = new ArrayList<PermissionGroupInfo>(N); 3249 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3250 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3251 } 3252 return new ParceledListSlice<>(out); 3253 } 3254 } 3255 3256 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3257 int userId) { 3258 if (!sUserManager.exists(userId)) return null; 3259 PackageSetting ps = mSettings.mPackages.get(packageName); 3260 if (ps != null) { 3261 if (ps.pkg == null) { 3262 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3263 if (pInfo != null) { 3264 return pInfo.applicationInfo; 3265 } 3266 return null; 3267 } 3268 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3269 ps.readUserState(userId), userId); 3270 } 3271 return null; 3272 } 3273 3274 @Override 3275 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3276 if (!sUserManager.exists(userId)) return null; 3277 flags = updateFlagsForApplication(flags, userId, packageName); 3278 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3279 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3280 // writer 3281 synchronized (mPackages) { 3282 PackageParser.Package p = mPackages.get(packageName); 3283 if (DEBUG_PACKAGE_INFO) Log.v( 3284 TAG, "getApplicationInfo " + packageName 3285 + ": " + p); 3286 if (p != null) { 3287 PackageSetting ps = mSettings.mPackages.get(packageName); 3288 if (ps == null) return null; 3289 // Note: isEnabledLP() does not apply here - always return info 3290 return PackageParser.generateApplicationInfo( 3291 p, flags, ps.readUserState(userId), userId); 3292 } 3293 if ("android".equals(packageName)||"system".equals(packageName)) { 3294 return mAndroidApplication; 3295 } 3296 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3297 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3298 } 3299 } 3300 return null; 3301 } 3302 3303 @Override 3304 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3305 final IPackageDataObserver observer) { 3306 mContext.enforceCallingOrSelfPermission( 3307 android.Manifest.permission.CLEAR_APP_CACHE, null); 3308 // Queue up an async operation since clearing cache may take a little while. 3309 mHandler.post(new Runnable() { 3310 public void run() { 3311 mHandler.removeCallbacks(this); 3312 boolean success = true; 3313 synchronized (mInstallLock) { 3314 try { 3315 mInstaller.freeCache(volumeUuid, freeStorageSize); 3316 } catch (InstallerException e) { 3317 Slog.w(TAG, "Couldn't clear application caches: " + e); 3318 success = false; 3319 } 3320 } 3321 if (observer != null) { 3322 try { 3323 observer.onRemoveCompleted(null, success); 3324 } catch (RemoteException e) { 3325 Slog.w(TAG, "RemoveException when invoking call back"); 3326 } 3327 } 3328 } 3329 }); 3330 } 3331 3332 @Override 3333 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3334 final IntentSender pi) { 3335 mContext.enforceCallingOrSelfPermission( 3336 android.Manifest.permission.CLEAR_APP_CACHE, null); 3337 // Queue up an async operation since clearing cache may take a little while. 3338 mHandler.post(new Runnable() { 3339 public void run() { 3340 mHandler.removeCallbacks(this); 3341 boolean success = true; 3342 synchronized (mInstallLock) { 3343 try { 3344 mInstaller.freeCache(volumeUuid, freeStorageSize); 3345 } catch (InstallerException e) { 3346 Slog.w(TAG, "Couldn't clear application caches: " + e); 3347 success = false; 3348 } 3349 } 3350 if(pi != null) { 3351 try { 3352 // Callback via pending intent 3353 int code = success ? 1 : 0; 3354 pi.sendIntent(null, code, null, 3355 null, null); 3356 } catch (SendIntentException e1) { 3357 Slog.i(TAG, "Failed to send pending intent"); 3358 } 3359 } 3360 } 3361 }); 3362 } 3363 3364 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3365 synchronized (mInstallLock) { 3366 try { 3367 mInstaller.freeCache(volumeUuid, freeStorageSize); 3368 } catch (InstallerException e) { 3369 throw new IOException("Failed to free enough space", e); 3370 } 3371 } 3372 } 3373 3374 /** 3375 * Return if the user key is currently unlocked. 3376 */ 3377 private boolean isUserKeyUnlocked(int userId) { 3378 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3379 final IMountService mount = IMountService.Stub 3380 .asInterface(ServiceManager.getService("mount")); 3381 if (mount == null) { 3382 Slog.w(TAG, "Early during boot, assuming locked"); 3383 return false; 3384 } 3385 final long token = Binder.clearCallingIdentity(); 3386 try { 3387 return mount.isUserKeyUnlocked(userId); 3388 } catch (RemoteException e) { 3389 throw e.rethrowAsRuntimeException(); 3390 } finally { 3391 Binder.restoreCallingIdentity(token); 3392 } 3393 } else { 3394 return true; 3395 } 3396 } 3397 3398 /** 3399 * Update given flags based on encryption status of current user. 3400 */ 3401 private int updateFlags(int flags, int userId) { 3402 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3403 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3404 // Caller expressed an explicit opinion about what encryption 3405 // aware/unaware components they want to see, so fall through and 3406 // give them what they want 3407 } else { 3408 // Caller expressed no opinion, so match based on user state 3409 if (isUserKeyUnlocked(userId)) { 3410 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3411 } else { 3412 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3413 } 3414 } 3415 return flags; 3416 } 3417 3418 /** 3419 * Update given flags when being used to request {@link PackageInfo}. 3420 */ 3421 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3422 boolean triaged = true; 3423 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3424 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3425 // Caller is asking for component details, so they'd better be 3426 // asking for specific encryption matching behavior, or be triaged 3427 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3428 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3429 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3430 triaged = false; 3431 } 3432 } 3433 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3434 | PackageManager.MATCH_SYSTEM_ONLY 3435 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3436 triaged = false; 3437 } 3438 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3439 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3440 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3441 } 3442 return updateFlags(flags, userId); 3443 } 3444 3445 /** 3446 * Update given flags when being used to request {@link ApplicationInfo}. 3447 */ 3448 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3449 return updateFlagsForPackage(flags, userId, cookie); 3450 } 3451 3452 /** 3453 * Update given flags when being used to request {@link ComponentInfo}. 3454 */ 3455 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3456 if (cookie instanceof Intent) { 3457 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3458 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3459 } 3460 } 3461 3462 boolean triaged = true; 3463 // Caller is asking for component details, so they'd better be 3464 // asking for specific encryption matching behavior, or be triaged 3465 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3466 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3467 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3468 triaged = false; 3469 } 3470 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3471 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3472 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3473 } 3474 3475 return updateFlags(flags, userId); 3476 } 3477 3478 /** 3479 * Update given flags when being used to request {@link ResolveInfo}. 3480 */ 3481 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3482 // Safe mode means we shouldn't match any third-party components 3483 if (mSafeMode) { 3484 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3485 } 3486 3487 return updateFlagsForComponent(flags, userId, cookie); 3488 } 3489 3490 @Override 3491 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3492 if (!sUserManager.exists(userId)) return null; 3493 flags = updateFlagsForComponent(flags, userId, component); 3494 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3495 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3496 synchronized (mPackages) { 3497 PackageParser.Activity a = mActivities.mActivities.get(component); 3498 3499 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3500 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3501 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3502 if (ps == null) return null; 3503 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3504 userId); 3505 } 3506 if (mResolveComponentName.equals(component)) { 3507 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3508 new PackageUserState(), userId); 3509 } 3510 } 3511 return null; 3512 } 3513 3514 @Override 3515 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3516 String resolvedType) { 3517 synchronized (mPackages) { 3518 if (component.equals(mResolveComponentName)) { 3519 // The resolver supports EVERYTHING! 3520 return true; 3521 } 3522 PackageParser.Activity a = mActivities.mActivities.get(component); 3523 if (a == null) { 3524 return false; 3525 } 3526 for (int i=0; i<a.intents.size(); i++) { 3527 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3528 intent.getData(), intent.getCategories(), TAG) >= 0) { 3529 return true; 3530 } 3531 } 3532 return false; 3533 } 3534 } 3535 3536 @Override 3537 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3538 if (!sUserManager.exists(userId)) return null; 3539 flags = updateFlagsForComponent(flags, userId, component); 3540 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3541 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3542 synchronized (mPackages) { 3543 PackageParser.Activity a = mReceivers.mActivities.get(component); 3544 if (DEBUG_PACKAGE_INFO) Log.v( 3545 TAG, "getReceiverInfo " + component + ": " + a); 3546 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3547 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3548 if (ps == null) return null; 3549 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3550 userId); 3551 } 3552 } 3553 return null; 3554 } 3555 3556 @Override 3557 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3558 if (!sUserManager.exists(userId)) return null; 3559 flags = updateFlagsForComponent(flags, userId, component); 3560 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3561 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3562 synchronized (mPackages) { 3563 PackageParser.Service s = mServices.mServices.get(component); 3564 if (DEBUG_PACKAGE_INFO) Log.v( 3565 TAG, "getServiceInfo " + component + ": " + s); 3566 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3567 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3568 if (ps == null) return null; 3569 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3570 userId); 3571 } 3572 } 3573 return null; 3574 } 3575 3576 @Override 3577 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3578 if (!sUserManager.exists(userId)) return null; 3579 flags = updateFlagsForComponent(flags, userId, component); 3580 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3581 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3582 synchronized (mPackages) { 3583 PackageParser.Provider p = mProviders.mProviders.get(component); 3584 if (DEBUG_PACKAGE_INFO) Log.v( 3585 TAG, "getProviderInfo " + component + ": " + p); 3586 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3587 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3588 if (ps == null) return null; 3589 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3590 userId); 3591 } 3592 } 3593 return null; 3594 } 3595 3596 @Override 3597 public String[] getSystemSharedLibraryNames() { 3598 Set<String> libSet; 3599 synchronized (mPackages) { 3600 libSet = mSharedLibraries.keySet(); 3601 int size = libSet.size(); 3602 if (size > 0) { 3603 String[] libs = new String[size]; 3604 libSet.toArray(libs); 3605 return libs; 3606 } 3607 } 3608 return null; 3609 } 3610 3611 @Override 3612 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3613 synchronized (mPackages) { 3614 return mServicesSystemSharedLibraryPackageName; 3615 } 3616 } 3617 3618 @Override 3619 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3620 synchronized (mPackages) { 3621 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3622 3623 final FeatureInfo fi = new FeatureInfo(); 3624 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3625 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3626 res.add(fi); 3627 3628 return new ParceledListSlice<>(res); 3629 } 3630 } 3631 3632 @Override 3633 public boolean hasSystemFeature(String name, int version) { 3634 synchronized (mPackages) { 3635 final FeatureInfo feat = mAvailableFeatures.get(name); 3636 if (feat == null) { 3637 return false; 3638 } else { 3639 return feat.version >= version; 3640 } 3641 } 3642 } 3643 3644 @Override 3645 public int checkPermission(String permName, String pkgName, int userId) { 3646 if (!sUserManager.exists(userId)) { 3647 return PackageManager.PERMISSION_DENIED; 3648 } 3649 3650 synchronized (mPackages) { 3651 final PackageParser.Package p = mPackages.get(pkgName); 3652 if (p != null && p.mExtras != null) { 3653 final PackageSetting ps = (PackageSetting) p.mExtras; 3654 final PermissionsState permissionsState = ps.getPermissionsState(); 3655 if (permissionsState.hasPermission(permName, userId)) { 3656 return PackageManager.PERMISSION_GRANTED; 3657 } 3658 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3659 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3660 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3661 return PackageManager.PERMISSION_GRANTED; 3662 } 3663 } 3664 } 3665 3666 return PackageManager.PERMISSION_DENIED; 3667 } 3668 3669 @Override 3670 public int checkUidPermission(String permName, int uid) { 3671 final int userId = UserHandle.getUserId(uid); 3672 3673 if (!sUserManager.exists(userId)) { 3674 return PackageManager.PERMISSION_DENIED; 3675 } 3676 3677 synchronized (mPackages) { 3678 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3679 if (obj != null) { 3680 final SettingBase ps = (SettingBase) obj; 3681 final PermissionsState permissionsState = ps.getPermissionsState(); 3682 if (permissionsState.hasPermission(permName, userId)) { 3683 return PackageManager.PERMISSION_GRANTED; 3684 } 3685 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3686 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3687 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3688 return PackageManager.PERMISSION_GRANTED; 3689 } 3690 } else { 3691 ArraySet<String> perms = mSystemPermissions.get(uid); 3692 if (perms != null) { 3693 if (perms.contains(permName)) { 3694 return PackageManager.PERMISSION_GRANTED; 3695 } 3696 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3697 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3698 return PackageManager.PERMISSION_GRANTED; 3699 } 3700 } 3701 } 3702 } 3703 3704 return PackageManager.PERMISSION_DENIED; 3705 } 3706 3707 @Override 3708 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3709 if (UserHandle.getCallingUserId() != userId) { 3710 mContext.enforceCallingPermission( 3711 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3712 "isPermissionRevokedByPolicy for user " + userId); 3713 } 3714 3715 if (checkPermission(permission, packageName, userId) 3716 == PackageManager.PERMISSION_GRANTED) { 3717 return false; 3718 } 3719 3720 final long identity = Binder.clearCallingIdentity(); 3721 try { 3722 final int flags = getPermissionFlags(permission, packageName, userId); 3723 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3724 } finally { 3725 Binder.restoreCallingIdentity(identity); 3726 } 3727 } 3728 3729 @Override 3730 public String getPermissionControllerPackageName() { 3731 synchronized (mPackages) { 3732 return mRequiredInstallerPackage; 3733 } 3734 } 3735 3736 /** 3737 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3738 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3739 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3740 * @param message the message to log on security exception 3741 */ 3742 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3743 boolean checkShell, String message) { 3744 if (userId < 0) { 3745 throw new IllegalArgumentException("Invalid userId " + userId); 3746 } 3747 if (checkShell) { 3748 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3749 } 3750 if (userId == UserHandle.getUserId(callingUid)) return; 3751 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3752 if (requireFullPermission) { 3753 mContext.enforceCallingOrSelfPermission( 3754 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3755 } else { 3756 try { 3757 mContext.enforceCallingOrSelfPermission( 3758 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3759 } catch (SecurityException se) { 3760 mContext.enforceCallingOrSelfPermission( 3761 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3762 } 3763 } 3764 } 3765 } 3766 3767 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3768 if (callingUid == Process.SHELL_UID) { 3769 if (userHandle >= 0 3770 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3771 throw new SecurityException("Shell does not have permission to access user " 3772 + userHandle); 3773 } else if (userHandle < 0) { 3774 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3775 + Debug.getCallers(3)); 3776 } 3777 } 3778 } 3779 3780 private BasePermission findPermissionTreeLP(String permName) { 3781 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3782 if (permName.startsWith(bp.name) && 3783 permName.length() > bp.name.length() && 3784 permName.charAt(bp.name.length()) == '.') { 3785 return bp; 3786 } 3787 } 3788 return null; 3789 } 3790 3791 private BasePermission checkPermissionTreeLP(String permName) { 3792 if (permName != null) { 3793 BasePermission bp = findPermissionTreeLP(permName); 3794 if (bp != null) { 3795 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3796 return bp; 3797 } 3798 throw new SecurityException("Calling uid " 3799 + Binder.getCallingUid() 3800 + " is not allowed to add to permission tree " 3801 + bp.name + " owned by uid " + bp.uid); 3802 } 3803 } 3804 throw new SecurityException("No permission tree found for " + permName); 3805 } 3806 3807 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3808 if (s1 == null) { 3809 return s2 == null; 3810 } 3811 if (s2 == null) { 3812 return false; 3813 } 3814 if (s1.getClass() != s2.getClass()) { 3815 return false; 3816 } 3817 return s1.equals(s2); 3818 } 3819 3820 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3821 if (pi1.icon != pi2.icon) return false; 3822 if (pi1.logo != pi2.logo) return false; 3823 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3824 if (!compareStrings(pi1.name, pi2.name)) return false; 3825 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3826 // We'll take care of setting this one. 3827 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3828 // These are not currently stored in settings. 3829 //if (!compareStrings(pi1.group, pi2.group)) return false; 3830 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3831 //if (pi1.labelRes != pi2.labelRes) return false; 3832 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3833 return true; 3834 } 3835 3836 int permissionInfoFootprint(PermissionInfo info) { 3837 int size = info.name.length(); 3838 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3839 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3840 return size; 3841 } 3842 3843 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3844 int size = 0; 3845 for (BasePermission perm : mSettings.mPermissions.values()) { 3846 if (perm.uid == tree.uid) { 3847 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3848 } 3849 } 3850 return size; 3851 } 3852 3853 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3854 // We calculate the max size of permissions defined by this uid and throw 3855 // if that plus the size of 'info' would exceed our stated maximum. 3856 if (tree.uid != Process.SYSTEM_UID) { 3857 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3858 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3859 throw new SecurityException("Permission tree size cap exceeded"); 3860 } 3861 } 3862 } 3863 3864 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3865 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3866 throw new SecurityException("Label must be specified in permission"); 3867 } 3868 BasePermission tree = checkPermissionTreeLP(info.name); 3869 BasePermission bp = mSettings.mPermissions.get(info.name); 3870 boolean added = bp == null; 3871 boolean changed = true; 3872 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3873 if (added) { 3874 enforcePermissionCapLocked(info, tree); 3875 bp = new BasePermission(info.name, tree.sourcePackage, 3876 BasePermission.TYPE_DYNAMIC); 3877 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3878 throw new SecurityException( 3879 "Not allowed to modify non-dynamic permission " 3880 + info.name); 3881 } else { 3882 if (bp.protectionLevel == fixedLevel 3883 && bp.perm.owner.equals(tree.perm.owner) 3884 && bp.uid == tree.uid 3885 && comparePermissionInfos(bp.perm.info, info)) { 3886 changed = false; 3887 } 3888 } 3889 bp.protectionLevel = fixedLevel; 3890 info = new PermissionInfo(info); 3891 info.protectionLevel = fixedLevel; 3892 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3893 bp.perm.info.packageName = tree.perm.info.packageName; 3894 bp.uid = tree.uid; 3895 if (added) { 3896 mSettings.mPermissions.put(info.name, bp); 3897 } 3898 if (changed) { 3899 if (!async) { 3900 mSettings.writeLPr(); 3901 } else { 3902 scheduleWriteSettingsLocked(); 3903 } 3904 } 3905 return added; 3906 } 3907 3908 @Override 3909 public boolean addPermission(PermissionInfo info) { 3910 synchronized (mPackages) { 3911 return addPermissionLocked(info, false); 3912 } 3913 } 3914 3915 @Override 3916 public boolean addPermissionAsync(PermissionInfo info) { 3917 synchronized (mPackages) { 3918 return addPermissionLocked(info, true); 3919 } 3920 } 3921 3922 @Override 3923 public void removePermission(String name) { 3924 synchronized (mPackages) { 3925 checkPermissionTreeLP(name); 3926 BasePermission bp = mSettings.mPermissions.get(name); 3927 if (bp != null) { 3928 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3929 throw new SecurityException( 3930 "Not allowed to modify non-dynamic permission " 3931 + name); 3932 } 3933 mSettings.mPermissions.remove(name); 3934 mSettings.writeLPr(); 3935 } 3936 } 3937 } 3938 3939 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3940 BasePermission bp) { 3941 int index = pkg.requestedPermissions.indexOf(bp.name); 3942 if (index == -1) { 3943 throw new SecurityException("Package " + pkg.packageName 3944 + " has not requested permission " + bp.name); 3945 } 3946 if (!bp.isRuntime() && !bp.isDevelopment()) { 3947 throw new SecurityException("Permission " + bp.name 3948 + " is not a changeable permission type"); 3949 } 3950 } 3951 3952 @Override 3953 public void grantRuntimePermission(String packageName, String name, final int userId) { 3954 if (!sUserManager.exists(userId)) { 3955 Log.e(TAG, "No such user:" + userId); 3956 return; 3957 } 3958 3959 mContext.enforceCallingOrSelfPermission( 3960 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3961 "grantRuntimePermission"); 3962 3963 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3964 true /* requireFullPermission */, true /* checkShell */, 3965 "grantRuntimePermission"); 3966 3967 final int uid; 3968 final SettingBase sb; 3969 3970 synchronized (mPackages) { 3971 final PackageParser.Package pkg = mPackages.get(packageName); 3972 if (pkg == null) { 3973 throw new IllegalArgumentException("Unknown package: " + packageName); 3974 } 3975 3976 final BasePermission bp = mSettings.mPermissions.get(name); 3977 if (bp == null) { 3978 throw new IllegalArgumentException("Unknown permission: " + name); 3979 } 3980 3981 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3982 3983 // If a permission review is required for legacy apps we represent 3984 // their permissions as always granted runtime ones since we need 3985 // to keep the review required permission flag per user while an 3986 // install permission's state is shared across all users. 3987 if (Build.PERMISSIONS_REVIEW_REQUIRED 3988 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3989 && bp.isRuntime()) { 3990 return; 3991 } 3992 3993 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3994 sb = (SettingBase) pkg.mExtras; 3995 if (sb == null) { 3996 throw new IllegalArgumentException("Unknown package: " + packageName); 3997 } 3998 3999 final PermissionsState permissionsState = sb.getPermissionsState(); 4000 4001 final int flags = permissionsState.getPermissionFlags(name, userId); 4002 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4003 throw new SecurityException("Cannot grant system fixed permission " 4004 + name + " for package " + packageName); 4005 } 4006 4007 if (bp.isDevelopment()) { 4008 // Development permissions must be handled specially, since they are not 4009 // normal runtime permissions. For now they apply to all users. 4010 if (permissionsState.grantInstallPermission(bp) != 4011 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4012 scheduleWriteSettingsLocked(); 4013 } 4014 return; 4015 } 4016 4017 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4018 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4019 return; 4020 } 4021 4022 final int result = permissionsState.grantRuntimePermission(bp, userId); 4023 switch (result) { 4024 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4025 return; 4026 } 4027 4028 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4029 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4030 mHandler.post(new Runnable() { 4031 @Override 4032 public void run() { 4033 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4034 } 4035 }); 4036 } 4037 break; 4038 } 4039 4040 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4041 4042 // Not critical if that is lost - app has to request again. 4043 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4044 } 4045 4046 // Only need to do this if user is initialized. Otherwise it's a new user 4047 // and there are no processes running as the user yet and there's no need 4048 // to make an expensive call to remount processes for the changed permissions. 4049 if (READ_EXTERNAL_STORAGE.equals(name) 4050 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4051 final long token = Binder.clearCallingIdentity(); 4052 try { 4053 if (sUserManager.isInitialized(userId)) { 4054 MountServiceInternal mountServiceInternal = LocalServices.getService( 4055 MountServiceInternal.class); 4056 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4057 } 4058 } finally { 4059 Binder.restoreCallingIdentity(token); 4060 } 4061 } 4062 } 4063 4064 @Override 4065 public void revokeRuntimePermission(String packageName, String name, int userId) { 4066 if (!sUserManager.exists(userId)) { 4067 Log.e(TAG, "No such user:" + userId); 4068 return; 4069 } 4070 4071 mContext.enforceCallingOrSelfPermission( 4072 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4073 "revokeRuntimePermission"); 4074 4075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4076 true /* requireFullPermission */, true /* checkShell */, 4077 "revokeRuntimePermission"); 4078 4079 final int appId; 4080 4081 synchronized (mPackages) { 4082 final PackageParser.Package pkg = mPackages.get(packageName); 4083 if (pkg == null) { 4084 throw new IllegalArgumentException("Unknown package: " + packageName); 4085 } 4086 4087 final BasePermission bp = mSettings.mPermissions.get(name); 4088 if (bp == null) { 4089 throw new IllegalArgumentException("Unknown permission: " + name); 4090 } 4091 4092 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4093 4094 // If a permission review is required for legacy apps we represent 4095 // their permissions as always granted runtime ones since we need 4096 // to keep the review required permission flag per user while an 4097 // install permission's state is shared across all users. 4098 if (Build.PERMISSIONS_REVIEW_REQUIRED 4099 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4100 && bp.isRuntime()) { 4101 return; 4102 } 4103 4104 SettingBase sb = (SettingBase) pkg.mExtras; 4105 if (sb == null) { 4106 throw new IllegalArgumentException("Unknown package: " + packageName); 4107 } 4108 4109 final PermissionsState permissionsState = sb.getPermissionsState(); 4110 4111 final int flags = permissionsState.getPermissionFlags(name, userId); 4112 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4113 throw new SecurityException("Cannot revoke system fixed permission " 4114 + name + " for package " + packageName); 4115 } 4116 4117 if (bp.isDevelopment()) { 4118 // Development permissions must be handled specially, since they are not 4119 // normal runtime permissions. For now they apply to all users. 4120 if (permissionsState.revokeInstallPermission(bp) != 4121 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4122 scheduleWriteSettingsLocked(); 4123 } 4124 return; 4125 } 4126 4127 if (permissionsState.revokeRuntimePermission(bp, userId) == 4128 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4129 return; 4130 } 4131 4132 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4133 4134 // Critical, after this call app should never have the permission. 4135 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4136 4137 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4138 } 4139 4140 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4141 } 4142 4143 @Override 4144 public void resetRuntimePermissions() { 4145 mContext.enforceCallingOrSelfPermission( 4146 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4147 "revokeRuntimePermission"); 4148 4149 int callingUid = Binder.getCallingUid(); 4150 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4151 mContext.enforceCallingOrSelfPermission( 4152 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4153 "resetRuntimePermissions"); 4154 } 4155 4156 synchronized (mPackages) { 4157 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4158 for (int userId : UserManagerService.getInstance().getUserIds()) { 4159 final int packageCount = mPackages.size(); 4160 for (int i = 0; i < packageCount; i++) { 4161 PackageParser.Package pkg = mPackages.valueAt(i); 4162 if (!(pkg.mExtras instanceof PackageSetting)) { 4163 continue; 4164 } 4165 PackageSetting ps = (PackageSetting) pkg.mExtras; 4166 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4167 } 4168 } 4169 } 4170 } 4171 4172 @Override 4173 public int getPermissionFlags(String name, String packageName, int userId) { 4174 if (!sUserManager.exists(userId)) { 4175 return 0; 4176 } 4177 4178 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4179 4180 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4181 true /* requireFullPermission */, false /* checkShell */, 4182 "getPermissionFlags"); 4183 4184 synchronized (mPackages) { 4185 final PackageParser.Package pkg = mPackages.get(packageName); 4186 if (pkg == null) { 4187 throw new IllegalArgumentException("Unknown package: " + packageName); 4188 } 4189 4190 final BasePermission bp = mSettings.mPermissions.get(name); 4191 if (bp == null) { 4192 throw new IllegalArgumentException("Unknown permission: " + name); 4193 } 4194 4195 SettingBase sb = (SettingBase) pkg.mExtras; 4196 if (sb == null) { 4197 throw new IllegalArgumentException("Unknown package: " + packageName); 4198 } 4199 4200 PermissionsState permissionsState = sb.getPermissionsState(); 4201 return permissionsState.getPermissionFlags(name, userId); 4202 } 4203 } 4204 4205 @Override 4206 public void updatePermissionFlags(String name, String packageName, int flagMask, 4207 int flagValues, int userId) { 4208 if (!sUserManager.exists(userId)) { 4209 return; 4210 } 4211 4212 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4213 4214 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4215 true /* requireFullPermission */, true /* checkShell */, 4216 "updatePermissionFlags"); 4217 4218 // Only the system can change these flags and nothing else. 4219 if (getCallingUid() != Process.SYSTEM_UID) { 4220 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4221 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4222 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4223 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4224 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4225 } 4226 4227 synchronized (mPackages) { 4228 final PackageParser.Package pkg = mPackages.get(packageName); 4229 if (pkg == null) { 4230 throw new IllegalArgumentException("Unknown package: " + packageName); 4231 } 4232 4233 final BasePermission bp = mSettings.mPermissions.get(name); 4234 if (bp == null) { 4235 throw new IllegalArgumentException("Unknown permission: " + name); 4236 } 4237 4238 SettingBase sb = (SettingBase) pkg.mExtras; 4239 if (sb == null) { 4240 throw new IllegalArgumentException("Unknown package: " + packageName); 4241 } 4242 4243 PermissionsState permissionsState = sb.getPermissionsState(); 4244 4245 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4246 4247 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4248 // Install and runtime permissions are stored in different places, 4249 // so figure out what permission changed and persist the change. 4250 if (permissionsState.getInstallPermissionState(name) != null) { 4251 scheduleWriteSettingsLocked(); 4252 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4253 || hadState) { 4254 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4255 } 4256 } 4257 } 4258 } 4259 4260 /** 4261 * Update the permission flags for all packages and runtime permissions of a user in order 4262 * to allow device or profile owner to remove POLICY_FIXED. 4263 */ 4264 @Override 4265 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4266 if (!sUserManager.exists(userId)) { 4267 return; 4268 } 4269 4270 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4271 4272 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4273 true /* requireFullPermission */, true /* checkShell */, 4274 "updatePermissionFlagsForAllApps"); 4275 4276 // Only the system can change system fixed flags. 4277 if (getCallingUid() != Process.SYSTEM_UID) { 4278 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4279 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4280 } 4281 4282 synchronized (mPackages) { 4283 boolean changed = false; 4284 final int packageCount = mPackages.size(); 4285 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4286 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4287 SettingBase sb = (SettingBase) pkg.mExtras; 4288 if (sb == null) { 4289 continue; 4290 } 4291 PermissionsState permissionsState = sb.getPermissionsState(); 4292 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4293 userId, flagMask, flagValues); 4294 } 4295 if (changed) { 4296 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4297 } 4298 } 4299 } 4300 4301 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4302 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4303 != PackageManager.PERMISSION_GRANTED 4304 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4305 != PackageManager.PERMISSION_GRANTED) { 4306 throw new SecurityException(message + " requires " 4307 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4308 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4309 } 4310 } 4311 4312 @Override 4313 public boolean shouldShowRequestPermissionRationale(String permissionName, 4314 String packageName, int userId) { 4315 if (UserHandle.getCallingUserId() != userId) { 4316 mContext.enforceCallingPermission( 4317 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4318 "canShowRequestPermissionRationale for user " + userId); 4319 } 4320 4321 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4322 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4323 return false; 4324 } 4325 4326 if (checkPermission(permissionName, packageName, userId) 4327 == PackageManager.PERMISSION_GRANTED) { 4328 return false; 4329 } 4330 4331 final int flags; 4332 4333 final long identity = Binder.clearCallingIdentity(); 4334 try { 4335 flags = getPermissionFlags(permissionName, 4336 packageName, userId); 4337 } finally { 4338 Binder.restoreCallingIdentity(identity); 4339 } 4340 4341 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4342 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4343 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4344 4345 if ((flags & fixedFlags) != 0) { 4346 return false; 4347 } 4348 4349 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4350 } 4351 4352 @Override 4353 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4354 mContext.enforceCallingOrSelfPermission( 4355 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4356 "addOnPermissionsChangeListener"); 4357 4358 synchronized (mPackages) { 4359 mOnPermissionChangeListeners.addListenerLocked(listener); 4360 } 4361 } 4362 4363 @Override 4364 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4365 synchronized (mPackages) { 4366 mOnPermissionChangeListeners.removeListenerLocked(listener); 4367 } 4368 } 4369 4370 @Override 4371 public boolean isProtectedBroadcast(String actionName) { 4372 synchronized (mPackages) { 4373 if (mProtectedBroadcasts.contains(actionName)) { 4374 return true; 4375 } else if (actionName != null) { 4376 // TODO: remove these terrible hacks 4377 if (actionName.startsWith("android.net.netmon.lingerExpired") 4378 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4379 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4380 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4381 return true; 4382 } 4383 } 4384 } 4385 return false; 4386 } 4387 4388 @Override 4389 public int checkSignatures(String pkg1, String pkg2) { 4390 synchronized (mPackages) { 4391 final PackageParser.Package p1 = mPackages.get(pkg1); 4392 final PackageParser.Package p2 = mPackages.get(pkg2); 4393 if (p1 == null || p1.mExtras == null 4394 || p2 == null || p2.mExtras == null) { 4395 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4396 } 4397 return compareSignatures(p1.mSignatures, p2.mSignatures); 4398 } 4399 } 4400 4401 @Override 4402 public int checkUidSignatures(int uid1, int uid2) { 4403 // Map to base uids. 4404 uid1 = UserHandle.getAppId(uid1); 4405 uid2 = UserHandle.getAppId(uid2); 4406 // reader 4407 synchronized (mPackages) { 4408 Signature[] s1; 4409 Signature[] s2; 4410 Object obj = mSettings.getUserIdLPr(uid1); 4411 if (obj != null) { 4412 if (obj instanceof SharedUserSetting) { 4413 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4414 } else if (obj instanceof PackageSetting) { 4415 s1 = ((PackageSetting)obj).signatures.mSignatures; 4416 } else { 4417 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4418 } 4419 } else { 4420 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4421 } 4422 obj = mSettings.getUserIdLPr(uid2); 4423 if (obj != null) { 4424 if (obj instanceof SharedUserSetting) { 4425 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4426 } else if (obj instanceof PackageSetting) { 4427 s2 = ((PackageSetting)obj).signatures.mSignatures; 4428 } else { 4429 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4430 } 4431 } else { 4432 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4433 } 4434 return compareSignatures(s1, s2); 4435 } 4436 } 4437 4438 /** 4439 * This method should typically only be used when granting or revoking 4440 * permissions, since the app may immediately restart after this call. 4441 * <p> 4442 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4443 * guard your work against the app being relaunched. 4444 */ 4445 private void killUid(int appId, int userId, String reason) { 4446 final long identity = Binder.clearCallingIdentity(); 4447 try { 4448 IActivityManager am = ActivityManagerNative.getDefault(); 4449 if (am != null) { 4450 try { 4451 am.killUid(appId, userId, reason); 4452 } catch (RemoteException e) { 4453 /* ignore - same process */ 4454 } 4455 } 4456 } finally { 4457 Binder.restoreCallingIdentity(identity); 4458 } 4459 } 4460 4461 /** 4462 * Compares two sets of signatures. Returns: 4463 * <br /> 4464 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4465 * <br /> 4466 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4467 * <br /> 4468 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4469 * <br /> 4470 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4471 * <br /> 4472 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4473 */ 4474 static int compareSignatures(Signature[] s1, Signature[] s2) { 4475 if (s1 == null) { 4476 return s2 == null 4477 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4478 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4479 } 4480 4481 if (s2 == null) { 4482 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4483 } 4484 4485 if (s1.length != s2.length) { 4486 return PackageManager.SIGNATURE_NO_MATCH; 4487 } 4488 4489 // Since both signature sets are of size 1, we can compare without HashSets. 4490 if (s1.length == 1) { 4491 return s1[0].equals(s2[0]) ? 4492 PackageManager.SIGNATURE_MATCH : 4493 PackageManager.SIGNATURE_NO_MATCH; 4494 } 4495 4496 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4497 for (Signature sig : s1) { 4498 set1.add(sig); 4499 } 4500 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4501 for (Signature sig : s2) { 4502 set2.add(sig); 4503 } 4504 // Make sure s2 contains all signatures in s1. 4505 if (set1.equals(set2)) { 4506 return PackageManager.SIGNATURE_MATCH; 4507 } 4508 return PackageManager.SIGNATURE_NO_MATCH; 4509 } 4510 4511 /** 4512 * If the database version for this type of package (internal storage or 4513 * external storage) is less than the version where package signatures 4514 * were updated, return true. 4515 */ 4516 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4517 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4518 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4519 } 4520 4521 /** 4522 * Used for backward compatibility to make sure any packages with 4523 * certificate chains get upgraded to the new style. {@code existingSigs} 4524 * will be in the old format (since they were stored on disk from before the 4525 * system upgrade) and {@code scannedSigs} will be in the newer format. 4526 */ 4527 private int compareSignaturesCompat(PackageSignatures existingSigs, 4528 PackageParser.Package scannedPkg) { 4529 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4530 return PackageManager.SIGNATURE_NO_MATCH; 4531 } 4532 4533 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4534 for (Signature sig : existingSigs.mSignatures) { 4535 existingSet.add(sig); 4536 } 4537 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4538 for (Signature sig : scannedPkg.mSignatures) { 4539 try { 4540 Signature[] chainSignatures = sig.getChainSignatures(); 4541 for (Signature chainSig : chainSignatures) { 4542 scannedCompatSet.add(chainSig); 4543 } 4544 } catch (CertificateEncodingException e) { 4545 scannedCompatSet.add(sig); 4546 } 4547 } 4548 /* 4549 * Make sure the expanded scanned set contains all signatures in the 4550 * existing one. 4551 */ 4552 if (scannedCompatSet.equals(existingSet)) { 4553 // Migrate the old signatures to the new scheme. 4554 existingSigs.assignSignatures(scannedPkg.mSignatures); 4555 // The new KeySets will be re-added later in the scanning process. 4556 synchronized (mPackages) { 4557 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4558 } 4559 return PackageManager.SIGNATURE_MATCH; 4560 } 4561 return PackageManager.SIGNATURE_NO_MATCH; 4562 } 4563 4564 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4565 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4566 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4567 } 4568 4569 private int compareSignaturesRecover(PackageSignatures existingSigs, 4570 PackageParser.Package scannedPkg) { 4571 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4572 return PackageManager.SIGNATURE_NO_MATCH; 4573 } 4574 4575 String msg = null; 4576 try { 4577 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4578 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4579 + scannedPkg.packageName); 4580 return PackageManager.SIGNATURE_MATCH; 4581 } 4582 } catch (CertificateException e) { 4583 msg = e.getMessage(); 4584 } 4585 4586 logCriticalInfo(Log.INFO, 4587 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4588 return PackageManager.SIGNATURE_NO_MATCH; 4589 } 4590 4591 @Override 4592 public List<String> getAllPackages() { 4593 synchronized (mPackages) { 4594 return new ArrayList<String>(mPackages.keySet()); 4595 } 4596 } 4597 4598 @Override 4599 public String[] getPackagesForUid(int uid) { 4600 uid = UserHandle.getAppId(uid); 4601 // reader 4602 synchronized (mPackages) { 4603 Object obj = mSettings.getUserIdLPr(uid); 4604 if (obj instanceof SharedUserSetting) { 4605 final SharedUserSetting sus = (SharedUserSetting) obj; 4606 final int N = sus.packages.size(); 4607 final String[] res = new String[N]; 4608 final Iterator<PackageSetting> it = sus.packages.iterator(); 4609 int i = 0; 4610 while (it.hasNext()) { 4611 res[i++] = it.next().name; 4612 } 4613 return res; 4614 } else if (obj instanceof PackageSetting) { 4615 final PackageSetting ps = (PackageSetting) obj; 4616 return new String[] { ps.name }; 4617 } 4618 } 4619 return null; 4620 } 4621 4622 @Override 4623 public String getNameForUid(int uid) { 4624 // reader 4625 synchronized (mPackages) { 4626 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4627 if (obj instanceof SharedUserSetting) { 4628 final SharedUserSetting sus = (SharedUserSetting) obj; 4629 return sus.name + ":" + sus.userId; 4630 } else if (obj instanceof PackageSetting) { 4631 final PackageSetting ps = (PackageSetting) obj; 4632 return ps.name; 4633 } 4634 } 4635 return null; 4636 } 4637 4638 @Override 4639 public int getUidForSharedUser(String sharedUserName) { 4640 if(sharedUserName == null) { 4641 return -1; 4642 } 4643 // reader 4644 synchronized (mPackages) { 4645 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4646 if (suid == null) { 4647 return -1; 4648 } 4649 return suid.userId; 4650 } 4651 } 4652 4653 @Override 4654 public int getFlagsForUid(int uid) { 4655 synchronized (mPackages) { 4656 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4657 if (obj instanceof SharedUserSetting) { 4658 final SharedUserSetting sus = (SharedUserSetting) obj; 4659 return sus.pkgFlags; 4660 } else if (obj instanceof PackageSetting) { 4661 final PackageSetting ps = (PackageSetting) obj; 4662 return ps.pkgFlags; 4663 } 4664 } 4665 return 0; 4666 } 4667 4668 @Override 4669 public int getPrivateFlagsForUid(int uid) { 4670 synchronized (mPackages) { 4671 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4672 if (obj instanceof SharedUserSetting) { 4673 final SharedUserSetting sus = (SharedUserSetting) obj; 4674 return sus.pkgPrivateFlags; 4675 } else if (obj instanceof PackageSetting) { 4676 final PackageSetting ps = (PackageSetting) obj; 4677 return ps.pkgPrivateFlags; 4678 } 4679 } 4680 return 0; 4681 } 4682 4683 @Override 4684 public boolean isUidPrivileged(int uid) { 4685 uid = UserHandle.getAppId(uid); 4686 // reader 4687 synchronized (mPackages) { 4688 Object obj = mSettings.getUserIdLPr(uid); 4689 if (obj instanceof SharedUserSetting) { 4690 final SharedUserSetting sus = (SharedUserSetting) obj; 4691 final Iterator<PackageSetting> it = sus.packages.iterator(); 4692 while (it.hasNext()) { 4693 if (it.next().isPrivileged()) { 4694 return true; 4695 } 4696 } 4697 } else if (obj instanceof PackageSetting) { 4698 final PackageSetting ps = (PackageSetting) obj; 4699 return ps.isPrivileged(); 4700 } 4701 } 4702 return false; 4703 } 4704 4705 @Override 4706 public String[] getAppOpPermissionPackages(String permissionName) { 4707 synchronized (mPackages) { 4708 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4709 if (pkgs == null) { 4710 return null; 4711 } 4712 return pkgs.toArray(new String[pkgs.size()]); 4713 } 4714 } 4715 4716 @Override 4717 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4718 int flags, int userId) { 4719 if (!sUserManager.exists(userId)) return null; 4720 flags = updateFlagsForResolve(flags, userId, intent); 4721 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4722 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4723 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4724 userId); 4725 final ResolveInfo bestChoice = 4726 chooseBestActivity(intent, resolvedType, flags, query, userId); 4727 4728 if (isEphemeralAllowed(intent, query, userId)) { 4729 final EphemeralResolveInfo ai = 4730 getEphemeralResolveInfo(intent, resolvedType, userId); 4731 if (ai != null) { 4732 if (DEBUG_EPHEMERAL) { 4733 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4734 } 4735 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4736 bestChoice.ephemeralResolveInfo = ai; 4737 } 4738 } 4739 return bestChoice; 4740 } 4741 4742 @Override 4743 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4744 IntentFilter filter, int match, ComponentName activity) { 4745 final int userId = UserHandle.getCallingUserId(); 4746 if (DEBUG_PREFERRED) { 4747 Log.v(TAG, "setLastChosenActivity intent=" + intent 4748 + " resolvedType=" + resolvedType 4749 + " flags=" + flags 4750 + " filter=" + filter 4751 + " match=" + match 4752 + " activity=" + activity); 4753 filter.dump(new PrintStreamPrinter(System.out), " "); 4754 } 4755 intent.setComponent(null); 4756 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4757 userId); 4758 // Find any earlier preferred or last chosen entries and nuke them 4759 findPreferredActivity(intent, resolvedType, 4760 flags, query, 0, false, true, false, userId); 4761 // Add the new activity as the last chosen for this filter 4762 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4763 "Setting last chosen"); 4764 } 4765 4766 @Override 4767 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4768 final int userId = UserHandle.getCallingUserId(); 4769 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4770 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4771 userId); 4772 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4773 false, false, false, userId); 4774 } 4775 4776 4777 private boolean isEphemeralAllowed( 4778 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4779 // Short circuit and return early if possible. 4780 if (DISABLE_EPHEMERAL_APPS) { 4781 return false; 4782 } 4783 final int callingUser = UserHandle.getCallingUserId(); 4784 if (callingUser != UserHandle.USER_SYSTEM) { 4785 return false; 4786 } 4787 if (mEphemeralResolverConnection == null) { 4788 return false; 4789 } 4790 if (intent.getComponent() != null) { 4791 return false; 4792 } 4793 if (intent.getPackage() != null) { 4794 return false; 4795 } 4796 final boolean isWebUri = hasWebURI(intent); 4797 if (!isWebUri) { 4798 return false; 4799 } 4800 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4801 synchronized (mPackages) { 4802 final int count = resolvedActivites.size(); 4803 for (int n = 0; n < count; n++) { 4804 ResolveInfo info = resolvedActivites.get(n); 4805 String packageName = info.activityInfo.packageName; 4806 PackageSetting ps = mSettings.mPackages.get(packageName); 4807 if (ps != null) { 4808 // Try to get the status from User settings first 4809 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4810 int status = (int) (packedStatus >> 32); 4811 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4812 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4813 if (DEBUG_EPHEMERAL) { 4814 Slog.v(TAG, "DENY ephemeral apps;" 4815 + " pkg: " + packageName + ", status: " + status); 4816 } 4817 return false; 4818 } 4819 } 4820 } 4821 } 4822 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4823 return true; 4824 } 4825 4826 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4827 int userId) { 4828 MessageDigest digest = null; 4829 try { 4830 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4831 } catch (NoSuchAlgorithmException e) { 4832 // If we can't create a digest, ignore ephemeral apps. 4833 return null; 4834 } 4835 4836 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4837 final byte[] digestBytes = digest.digest(hostBytes); 4838 int shaPrefix = 4839 digestBytes[0] << 24 4840 | digestBytes[1] << 16 4841 | digestBytes[2] << 8 4842 | digestBytes[3] << 0; 4843 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4844 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4845 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4846 // No hash prefix match; there are no ephemeral apps for this domain. 4847 return null; 4848 } 4849 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4850 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4851 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4852 continue; 4853 } 4854 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4855 // No filters; this should never happen. 4856 if (filters.isEmpty()) { 4857 continue; 4858 } 4859 // We have a domain match; resolve the filters to see if anything matches. 4860 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4861 for (int j = filters.size() - 1; j >= 0; --j) { 4862 final EphemeralResolveIntentInfo intentInfo = 4863 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4864 ephemeralResolver.addFilter(intentInfo); 4865 } 4866 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4867 intent, resolvedType, false /*defaultOnly*/, userId); 4868 if (!matchedResolveInfoList.isEmpty()) { 4869 return matchedResolveInfoList.get(0); 4870 } 4871 } 4872 // Hash or filter mis-match; no ephemeral apps for this domain. 4873 return null; 4874 } 4875 4876 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4877 int flags, List<ResolveInfo> query, int userId) { 4878 if (query != null) { 4879 final int N = query.size(); 4880 if (N == 1) { 4881 return query.get(0); 4882 } else if (N > 1) { 4883 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4884 // If there is more than one activity with the same priority, 4885 // then let the user decide between them. 4886 ResolveInfo r0 = query.get(0); 4887 ResolveInfo r1 = query.get(1); 4888 if (DEBUG_INTENT_MATCHING || debug) { 4889 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4890 + r1.activityInfo.name + "=" + r1.priority); 4891 } 4892 // If the first activity has a higher priority, or a different 4893 // default, then it is always desirable to pick it. 4894 if (r0.priority != r1.priority 4895 || r0.preferredOrder != r1.preferredOrder 4896 || r0.isDefault != r1.isDefault) { 4897 return query.get(0); 4898 } 4899 // If we have saved a preference for a preferred activity for 4900 // this Intent, use that. 4901 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4902 flags, query, r0.priority, true, false, debug, userId); 4903 if (ri != null) { 4904 return ri; 4905 } 4906 ri = new ResolveInfo(mResolveInfo); 4907 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4908 ri.activityInfo.applicationInfo = new ApplicationInfo( 4909 ri.activityInfo.applicationInfo); 4910 if (userId != 0) { 4911 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4912 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4913 } 4914 // Make sure that the resolver is displayable in car mode 4915 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4916 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4917 return ri; 4918 } 4919 } 4920 return null; 4921 } 4922 4923 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4924 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4925 final int N = query.size(); 4926 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4927 .get(userId); 4928 // Get the list of persistent preferred activities that handle the intent 4929 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4930 List<PersistentPreferredActivity> pprefs = ppir != null 4931 ? ppir.queryIntent(intent, resolvedType, 4932 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4933 : null; 4934 if (pprefs != null && pprefs.size() > 0) { 4935 final int M = pprefs.size(); 4936 for (int i=0; i<M; i++) { 4937 final PersistentPreferredActivity ppa = pprefs.get(i); 4938 if (DEBUG_PREFERRED || debug) { 4939 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4940 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4941 + "\n component=" + ppa.mComponent); 4942 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4943 } 4944 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4945 flags | MATCH_DISABLED_COMPONENTS, userId); 4946 if (DEBUG_PREFERRED || debug) { 4947 Slog.v(TAG, "Found persistent preferred activity:"); 4948 if (ai != null) { 4949 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4950 } else { 4951 Slog.v(TAG, " null"); 4952 } 4953 } 4954 if (ai == null) { 4955 // This previously registered persistent preferred activity 4956 // component is no longer known. Ignore it and do NOT remove it. 4957 continue; 4958 } 4959 for (int j=0; j<N; j++) { 4960 final ResolveInfo ri = query.get(j); 4961 if (!ri.activityInfo.applicationInfo.packageName 4962 .equals(ai.applicationInfo.packageName)) { 4963 continue; 4964 } 4965 if (!ri.activityInfo.name.equals(ai.name)) { 4966 continue; 4967 } 4968 // Found a persistent preference that can handle the intent. 4969 if (DEBUG_PREFERRED || debug) { 4970 Slog.v(TAG, "Returning persistent preferred activity: " + 4971 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4972 } 4973 return ri; 4974 } 4975 } 4976 } 4977 return null; 4978 } 4979 4980 // TODO: handle preferred activities missing while user has amnesia 4981 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4982 List<ResolveInfo> query, int priority, boolean always, 4983 boolean removeMatches, boolean debug, int userId) { 4984 if (!sUserManager.exists(userId)) return null; 4985 flags = updateFlagsForResolve(flags, userId, intent); 4986 // writer 4987 synchronized (mPackages) { 4988 if (intent.getSelector() != null) { 4989 intent = intent.getSelector(); 4990 } 4991 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4992 4993 // Try to find a matching persistent preferred activity. 4994 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4995 debug, userId); 4996 4997 // If a persistent preferred activity matched, use it. 4998 if (pri != null) { 4999 return pri; 5000 } 5001 5002 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5003 // Get the list of preferred activities that handle the intent 5004 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5005 List<PreferredActivity> prefs = pir != null 5006 ? pir.queryIntent(intent, resolvedType, 5007 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5008 : null; 5009 if (prefs != null && prefs.size() > 0) { 5010 boolean changed = false; 5011 try { 5012 // First figure out how good the original match set is. 5013 // We will only allow preferred activities that came 5014 // from the same match quality. 5015 int match = 0; 5016 5017 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5018 5019 final int N = query.size(); 5020 for (int j=0; j<N; j++) { 5021 final ResolveInfo ri = query.get(j); 5022 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5023 + ": 0x" + Integer.toHexString(match)); 5024 if (ri.match > match) { 5025 match = ri.match; 5026 } 5027 } 5028 5029 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5030 + Integer.toHexString(match)); 5031 5032 match &= IntentFilter.MATCH_CATEGORY_MASK; 5033 final int M = prefs.size(); 5034 for (int i=0; i<M; i++) { 5035 final PreferredActivity pa = prefs.get(i); 5036 if (DEBUG_PREFERRED || debug) { 5037 Slog.v(TAG, "Checking PreferredActivity ds=" 5038 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5039 + "\n component=" + pa.mPref.mComponent); 5040 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5041 } 5042 if (pa.mPref.mMatch != match) { 5043 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5044 + Integer.toHexString(pa.mPref.mMatch)); 5045 continue; 5046 } 5047 // If it's not an "always" type preferred activity and that's what we're 5048 // looking for, skip it. 5049 if (always && !pa.mPref.mAlways) { 5050 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5051 continue; 5052 } 5053 final ActivityInfo ai = getActivityInfo( 5054 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5055 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5056 userId); 5057 if (DEBUG_PREFERRED || debug) { 5058 Slog.v(TAG, "Found preferred activity:"); 5059 if (ai != null) { 5060 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5061 } else { 5062 Slog.v(TAG, " null"); 5063 } 5064 } 5065 if (ai == null) { 5066 // This previously registered preferred activity 5067 // component is no longer known. Most likely an update 5068 // to the app was installed and in the new version this 5069 // component no longer exists. Clean it up by removing 5070 // it from the preferred activities list, and skip it. 5071 Slog.w(TAG, "Removing dangling preferred activity: " 5072 + pa.mPref.mComponent); 5073 pir.removeFilter(pa); 5074 changed = true; 5075 continue; 5076 } 5077 for (int j=0; j<N; j++) { 5078 final ResolveInfo ri = query.get(j); 5079 if (!ri.activityInfo.applicationInfo.packageName 5080 .equals(ai.applicationInfo.packageName)) { 5081 continue; 5082 } 5083 if (!ri.activityInfo.name.equals(ai.name)) { 5084 continue; 5085 } 5086 5087 if (removeMatches) { 5088 pir.removeFilter(pa); 5089 changed = true; 5090 if (DEBUG_PREFERRED) { 5091 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5092 } 5093 break; 5094 } 5095 5096 // Okay we found a previously set preferred or last chosen app. 5097 // If the result set is different from when this 5098 // was created, we need to clear it and re-ask the 5099 // user their preference, if we're looking for an "always" type entry. 5100 if (always && !pa.mPref.sameSet(query)) { 5101 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5102 + intent + " type " + resolvedType); 5103 if (DEBUG_PREFERRED) { 5104 Slog.v(TAG, "Removing preferred activity since set changed " 5105 + pa.mPref.mComponent); 5106 } 5107 pir.removeFilter(pa); 5108 // Re-add the filter as a "last chosen" entry (!always) 5109 PreferredActivity lastChosen = new PreferredActivity( 5110 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5111 pir.addFilter(lastChosen); 5112 changed = true; 5113 return null; 5114 } 5115 5116 // Yay! Either the set matched or we're looking for the last chosen 5117 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5118 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5119 return ri; 5120 } 5121 } 5122 } finally { 5123 if (changed) { 5124 if (DEBUG_PREFERRED) { 5125 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5126 } 5127 scheduleWritePackageRestrictionsLocked(userId); 5128 } 5129 } 5130 } 5131 } 5132 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5133 return null; 5134 } 5135 5136 /* 5137 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5138 */ 5139 @Override 5140 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5141 int targetUserId) { 5142 mContext.enforceCallingOrSelfPermission( 5143 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5144 List<CrossProfileIntentFilter> matches = 5145 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5146 if (matches != null) { 5147 int size = matches.size(); 5148 for (int i = 0; i < size; i++) { 5149 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5150 } 5151 } 5152 if (hasWebURI(intent)) { 5153 // cross-profile app linking works only towards the parent. 5154 final UserInfo parent = getProfileParent(sourceUserId); 5155 synchronized(mPackages) { 5156 int flags = updateFlagsForResolve(0, parent.id, intent); 5157 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5158 intent, resolvedType, flags, sourceUserId, parent.id); 5159 return xpDomainInfo != null; 5160 } 5161 } 5162 return false; 5163 } 5164 5165 private UserInfo getProfileParent(int userId) { 5166 final long identity = Binder.clearCallingIdentity(); 5167 try { 5168 return sUserManager.getProfileParent(userId); 5169 } finally { 5170 Binder.restoreCallingIdentity(identity); 5171 } 5172 } 5173 5174 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5175 String resolvedType, int userId) { 5176 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5177 if (resolver != null) { 5178 return resolver.queryIntent(intent, resolvedType, false, userId); 5179 } 5180 return null; 5181 } 5182 5183 @Override 5184 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5185 String resolvedType, int flags, int userId) { 5186 return new ParceledListSlice<>( 5187 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5188 } 5189 5190 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5191 String resolvedType, int flags, int userId) { 5192 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5193 flags = updateFlagsForResolve(flags, userId, intent); 5194 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5195 false /* requireFullPermission */, false /* checkShell */, 5196 "query intent activities"); 5197 ComponentName comp = intent.getComponent(); 5198 if (comp == null) { 5199 if (intent.getSelector() != null) { 5200 intent = intent.getSelector(); 5201 comp = intent.getComponent(); 5202 } 5203 } 5204 5205 if (comp != null) { 5206 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5207 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5208 if (ai != null) { 5209 final ResolveInfo ri = new ResolveInfo(); 5210 ri.activityInfo = ai; 5211 list.add(ri); 5212 } 5213 return list; 5214 } 5215 5216 // reader 5217 synchronized (mPackages) { 5218 final String pkgName = intent.getPackage(); 5219 if (pkgName == null) { 5220 List<CrossProfileIntentFilter> matchingFilters = 5221 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5222 // Check for results that need to skip the current profile. 5223 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5224 resolvedType, flags, userId); 5225 if (xpResolveInfo != null) { 5226 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5227 result.add(xpResolveInfo); 5228 return filterIfNotSystemUser(result, userId); 5229 } 5230 5231 // Check for results in the current profile. 5232 List<ResolveInfo> result = mActivities.queryIntent( 5233 intent, resolvedType, flags, userId); 5234 result = filterIfNotSystemUser(result, userId); 5235 5236 // Check for cross profile results. 5237 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5238 xpResolveInfo = queryCrossProfileIntents( 5239 matchingFilters, intent, resolvedType, flags, userId, 5240 hasNonNegativePriorityResult); 5241 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5242 boolean isVisibleToUser = filterIfNotSystemUser( 5243 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5244 if (isVisibleToUser) { 5245 result.add(xpResolveInfo); 5246 Collections.sort(result, mResolvePrioritySorter); 5247 } 5248 } 5249 if (hasWebURI(intent)) { 5250 CrossProfileDomainInfo xpDomainInfo = null; 5251 final UserInfo parent = getProfileParent(userId); 5252 if (parent != null) { 5253 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5254 flags, userId, parent.id); 5255 } 5256 if (xpDomainInfo != null) { 5257 if (xpResolveInfo != null) { 5258 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5259 // in the result. 5260 result.remove(xpResolveInfo); 5261 } 5262 if (result.size() == 0) { 5263 result.add(xpDomainInfo.resolveInfo); 5264 return result; 5265 } 5266 } else if (result.size() <= 1) { 5267 return result; 5268 } 5269 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5270 xpDomainInfo, userId); 5271 Collections.sort(result, mResolvePrioritySorter); 5272 } 5273 return result; 5274 } 5275 final PackageParser.Package pkg = mPackages.get(pkgName); 5276 if (pkg != null) { 5277 return filterIfNotSystemUser( 5278 mActivities.queryIntentForPackage( 5279 intent, resolvedType, flags, pkg.activities, userId), 5280 userId); 5281 } 5282 return new ArrayList<ResolveInfo>(); 5283 } 5284 } 5285 5286 private static class CrossProfileDomainInfo { 5287 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5288 ResolveInfo resolveInfo; 5289 /* Best domain verification status of the activities found in the other profile */ 5290 int bestDomainVerificationStatus; 5291 } 5292 5293 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5294 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5295 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5296 sourceUserId)) { 5297 return null; 5298 } 5299 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5300 resolvedType, flags, parentUserId); 5301 5302 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5303 return null; 5304 } 5305 CrossProfileDomainInfo result = null; 5306 int size = resultTargetUser.size(); 5307 for (int i = 0; i < size; i++) { 5308 ResolveInfo riTargetUser = resultTargetUser.get(i); 5309 // Intent filter verification is only for filters that specify a host. So don't return 5310 // those that handle all web uris. 5311 if (riTargetUser.handleAllWebDataURI) { 5312 continue; 5313 } 5314 String packageName = riTargetUser.activityInfo.packageName; 5315 PackageSetting ps = mSettings.mPackages.get(packageName); 5316 if (ps == null) { 5317 continue; 5318 } 5319 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5320 int status = (int)(verificationState >> 32); 5321 if (result == null) { 5322 result = new CrossProfileDomainInfo(); 5323 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5324 sourceUserId, parentUserId); 5325 result.bestDomainVerificationStatus = status; 5326 } else { 5327 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5328 result.bestDomainVerificationStatus); 5329 } 5330 } 5331 // Don't consider matches with status NEVER across profiles. 5332 if (result != null && result.bestDomainVerificationStatus 5333 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5334 return null; 5335 } 5336 return result; 5337 } 5338 5339 /** 5340 * Verification statuses are ordered from the worse to the best, except for 5341 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5342 */ 5343 private int bestDomainVerificationStatus(int status1, int status2) { 5344 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5345 return status2; 5346 } 5347 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5348 return status1; 5349 } 5350 return (int) MathUtils.max(status1, status2); 5351 } 5352 5353 private boolean isUserEnabled(int userId) { 5354 long callingId = Binder.clearCallingIdentity(); 5355 try { 5356 UserInfo userInfo = sUserManager.getUserInfo(userId); 5357 return userInfo != null && userInfo.isEnabled(); 5358 } finally { 5359 Binder.restoreCallingIdentity(callingId); 5360 } 5361 } 5362 5363 /** 5364 * Filter out activities with systemUserOnly flag set, when current user is not System. 5365 * 5366 * @return filtered list 5367 */ 5368 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5369 if (userId == UserHandle.USER_SYSTEM) { 5370 return resolveInfos; 5371 } 5372 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5373 ResolveInfo info = resolveInfos.get(i); 5374 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5375 resolveInfos.remove(i); 5376 } 5377 } 5378 return resolveInfos; 5379 } 5380 5381 /** 5382 * @param resolveInfos list of resolve infos in descending priority order 5383 * @return if the list contains a resolve info with non-negative priority 5384 */ 5385 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5386 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5387 } 5388 5389 private static boolean hasWebURI(Intent intent) { 5390 if (intent.getData() == null) { 5391 return false; 5392 } 5393 final String scheme = intent.getScheme(); 5394 if (TextUtils.isEmpty(scheme)) { 5395 return false; 5396 } 5397 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5398 } 5399 5400 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5401 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5402 int userId) { 5403 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5404 5405 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5406 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5407 candidates.size()); 5408 } 5409 5410 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5411 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5412 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5413 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5414 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5415 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5416 5417 synchronized (mPackages) { 5418 final int count = candidates.size(); 5419 // First, try to use linked apps. Partition the candidates into four lists: 5420 // one for the final results, one for the "do not use ever", one for "undefined status" 5421 // and finally one for "browser app type". 5422 for (int n=0; n<count; n++) { 5423 ResolveInfo info = candidates.get(n); 5424 String packageName = info.activityInfo.packageName; 5425 PackageSetting ps = mSettings.mPackages.get(packageName); 5426 if (ps != null) { 5427 // Add to the special match all list (Browser use case) 5428 if (info.handleAllWebDataURI) { 5429 matchAllList.add(info); 5430 continue; 5431 } 5432 // Try to get the status from User settings first 5433 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5434 int status = (int)(packedStatus >> 32); 5435 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5436 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5437 if (DEBUG_DOMAIN_VERIFICATION) { 5438 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5439 + " : linkgen=" + linkGeneration); 5440 } 5441 // Use link-enabled generation as preferredOrder, i.e. 5442 // prefer newly-enabled over earlier-enabled. 5443 info.preferredOrder = linkGeneration; 5444 alwaysList.add(info); 5445 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5446 if (DEBUG_DOMAIN_VERIFICATION) { 5447 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5448 } 5449 neverList.add(info); 5450 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5451 if (DEBUG_DOMAIN_VERIFICATION) { 5452 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5453 } 5454 alwaysAskList.add(info); 5455 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5456 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5457 if (DEBUG_DOMAIN_VERIFICATION) { 5458 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5459 } 5460 undefinedList.add(info); 5461 } 5462 } 5463 } 5464 5465 // We'll want to include browser possibilities in a few cases 5466 boolean includeBrowser = false; 5467 5468 // First try to add the "always" resolution(s) for the current user, if any 5469 if (alwaysList.size() > 0) { 5470 result.addAll(alwaysList); 5471 } else { 5472 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5473 result.addAll(undefinedList); 5474 // Maybe add one for the other profile. 5475 if (xpDomainInfo != null && ( 5476 xpDomainInfo.bestDomainVerificationStatus 5477 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5478 result.add(xpDomainInfo.resolveInfo); 5479 } 5480 includeBrowser = true; 5481 } 5482 5483 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5484 // If there were 'always' entries their preferred order has been set, so we also 5485 // back that off to make the alternatives equivalent 5486 if (alwaysAskList.size() > 0) { 5487 for (ResolveInfo i : result) { 5488 i.preferredOrder = 0; 5489 } 5490 result.addAll(alwaysAskList); 5491 includeBrowser = true; 5492 } 5493 5494 if (includeBrowser) { 5495 // Also add browsers (all of them or only the default one) 5496 if (DEBUG_DOMAIN_VERIFICATION) { 5497 Slog.v(TAG, " ...including browsers in candidate set"); 5498 } 5499 if ((matchFlags & MATCH_ALL) != 0) { 5500 result.addAll(matchAllList); 5501 } else { 5502 // Browser/generic handling case. If there's a default browser, go straight 5503 // to that (but only if there is no other higher-priority match). 5504 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5505 int maxMatchPrio = 0; 5506 ResolveInfo defaultBrowserMatch = null; 5507 final int numCandidates = matchAllList.size(); 5508 for (int n = 0; n < numCandidates; n++) { 5509 ResolveInfo info = matchAllList.get(n); 5510 // track the highest overall match priority... 5511 if (info.priority > maxMatchPrio) { 5512 maxMatchPrio = info.priority; 5513 } 5514 // ...and the highest-priority default browser match 5515 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5516 if (defaultBrowserMatch == null 5517 || (defaultBrowserMatch.priority < info.priority)) { 5518 if (debug) { 5519 Slog.v(TAG, "Considering default browser match " + info); 5520 } 5521 defaultBrowserMatch = info; 5522 } 5523 } 5524 } 5525 if (defaultBrowserMatch != null 5526 && defaultBrowserMatch.priority >= maxMatchPrio 5527 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5528 { 5529 if (debug) { 5530 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5531 } 5532 result.add(defaultBrowserMatch); 5533 } else { 5534 result.addAll(matchAllList); 5535 } 5536 } 5537 5538 // If there is nothing selected, add all candidates and remove the ones that the user 5539 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5540 if (result.size() == 0) { 5541 result.addAll(candidates); 5542 result.removeAll(neverList); 5543 } 5544 } 5545 } 5546 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5547 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5548 result.size()); 5549 for (ResolveInfo info : result) { 5550 Slog.v(TAG, " + " + info.activityInfo); 5551 } 5552 } 5553 return result; 5554 } 5555 5556 // Returns a packed value as a long: 5557 // 5558 // high 'int'-sized word: link status: undefined/ask/never/always. 5559 // low 'int'-sized word: relative priority among 'always' results. 5560 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5561 long result = ps.getDomainVerificationStatusForUser(userId); 5562 // if none available, get the master status 5563 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5564 if (ps.getIntentFilterVerificationInfo() != null) { 5565 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5566 } 5567 } 5568 return result; 5569 } 5570 5571 private ResolveInfo querySkipCurrentProfileIntents( 5572 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5573 int flags, int sourceUserId) { 5574 if (matchingFilters != null) { 5575 int size = matchingFilters.size(); 5576 for (int i = 0; i < size; i ++) { 5577 CrossProfileIntentFilter filter = matchingFilters.get(i); 5578 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5579 // Checking if there are activities in the target user that can handle the 5580 // intent. 5581 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5582 resolvedType, flags, sourceUserId); 5583 if (resolveInfo != null) { 5584 return resolveInfo; 5585 } 5586 } 5587 } 5588 } 5589 return null; 5590 } 5591 5592 // Return matching ResolveInfo in target user if any. 5593 private ResolveInfo queryCrossProfileIntents( 5594 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5595 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5596 if (matchingFilters != null) { 5597 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5598 // match the same intent. For performance reasons, it is better not to 5599 // run queryIntent twice for the same userId 5600 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5601 int size = matchingFilters.size(); 5602 for (int i = 0; i < size; i++) { 5603 CrossProfileIntentFilter filter = matchingFilters.get(i); 5604 int targetUserId = filter.getTargetUserId(); 5605 boolean skipCurrentProfile = 5606 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5607 boolean skipCurrentProfileIfNoMatchFound = 5608 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5609 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5610 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5611 // Checking if there are activities in the target user that can handle the 5612 // intent. 5613 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5614 resolvedType, flags, sourceUserId); 5615 if (resolveInfo != null) return resolveInfo; 5616 alreadyTriedUserIds.put(targetUserId, true); 5617 } 5618 } 5619 } 5620 return null; 5621 } 5622 5623 /** 5624 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5625 * will forward the intent to the filter's target user. 5626 * Otherwise, returns null. 5627 */ 5628 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5629 String resolvedType, int flags, int sourceUserId) { 5630 int targetUserId = filter.getTargetUserId(); 5631 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5632 resolvedType, flags, targetUserId); 5633 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5634 // If all the matches in the target profile are suspended, return null. 5635 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5636 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5637 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5638 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5639 targetUserId); 5640 } 5641 } 5642 } 5643 return null; 5644 } 5645 5646 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5647 int sourceUserId, int targetUserId) { 5648 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5649 long ident = Binder.clearCallingIdentity(); 5650 boolean targetIsProfile; 5651 try { 5652 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5653 } finally { 5654 Binder.restoreCallingIdentity(ident); 5655 } 5656 String className; 5657 if (targetIsProfile) { 5658 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5659 } else { 5660 className = FORWARD_INTENT_TO_PARENT; 5661 } 5662 ComponentName forwardingActivityComponentName = new ComponentName( 5663 mAndroidApplication.packageName, className); 5664 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5665 sourceUserId); 5666 if (!targetIsProfile) { 5667 forwardingActivityInfo.showUserIcon = targetUserId; 5668 forwardingResolveInfo.noResourceId = true; 5669 } 5670 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5671 forwardingResolveInfo.priority = 0; 5672 forwardingResolveInfo.preferredOrder = 0; 5673 forwardingResolveInfo.match = 0; 5674 forwardingResolveInfo.isDefault = true; 5675 forwardingResolveInfo.filter = filter; 5676 forwardingResolveInfo.targetUserId = targetUserId; 5677 return forwardingResolveInfo; 5678 } 5679 5680 @Override 5681 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5682 Intent[] specifics, String[] specificTypes, Intent intent, 5683 String resolvedType, int flags, int userId) { 5684 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5685 specificTypes, intent, resolvedType, flags, userId)); 5686 } 5687 5688 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5689 Intent[] specifics, String[] specificTypes, Intent intent, 5690 String resolvedType, int flags, int userId) { 5691 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5692 flags = updateFlagsForResolve(flags, userId, intent); 5693 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5694 false /* requireFullPermission */, false /* checkShell */, 5695 "query intent activity options"); 5696 final String resultsAction = intent.getAction(); 5697 5698 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5699 | PackageManager.GET_RESOLVED_FILTER, userId); 5700 5701 if (DEBUG_INTENT_MATCHING) { 5702 Log.v(TAG, "Query " + intent + ": " + results); 5703 } 5704 5705 int specificsPos = 0; 5706 int N; 5707 5708 // todo: note that the algorithm used here is O(N^2). This 5709 // isn't a problem in our current environment, but if we start running 5710 // into situations where we have more than 5 or 10 matches then this 5711 // should probably be changed to something smarter... 5712 5713 // First we go through and resolve each of the specific items 5714 // that were supplied, taking care of removing any corresponding 5715 // duplicate items in the generic resolve list. 5716 if (specifics != null) { 5717 for (int i=0; i<specifics.length; i++) { 5718 final Intent sintent = specifics[i]; 5719 if (sintent == null) { 5720 continue; 5721 } 5722 5723 if (DEBUG_INTENT_MATCHING) { 5724 Log.v(TAG, "Specific #" + i + ": " + sintent); 5725 } 5726 5727 String action = sintent.getAction(); 5728 if (resultsAction != null && resultsAction.equals(action)) { 5729 // If this action was explicitly requested, then don't 5730 // remove things that have it. 5731 action = null; 5732 } 5733 5734 ResolveInfo ri = null; 5735 ActivityInfo ai = null; 5736 5737 ComponentName comp = sintent.getComponent(); 5738 if (comp == null) { 5739 ri = resolveIntent( 5740 sintent, 5741 specificTypes != null ? specificTypes[i] : null, 5742 flags, userId); 5743 if (ri == null) { 5744 continue; 5745 } 5746 if (ri == mResolveInfo) { 5747 // ACK! Must do something better with this. 5748 } 5749 ai = ri.activityInfo; 5750 comp = new ComponentName(ai.applicationInfo.packageName, 5751 ai.name); 5752 } else { 5753 ai = getActivityInfo(comp, flags, userId); 5754 if (ai == null) { 5755 continue; 5756 } 5757 } 5758 5759 // Look for any generic query activities that are duplicates 5760 // of this specific one, and remove them from the results. 5761 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5762 N = results.size(); 5763 int j; 5764 for (j=specificsPos; j<N; j++) { 5765 ResolveInfo sri = results.get(j); 5766 if ((sri.activityInfo.name.equals(comp.getClassName()) 5767 && sri.activityInfo.applicationInfo.packageName.equals( 5768 comp.getPackageName())) 5769 || (action != null && sri.filter.matchAction(action))) { 5770 results.remove(j); 5771 if (DEBUG_INTENT_MATCHING) Log.v( 5772 TAG, "Removing duplicate item from " + j 5773 + " due to specific " + specificsPos); 5774 if (ri == null) { 5775 ri = sri; 5776 } 5777 j--; 5778 N--; 5779 } 5780 } 5781 5782 // Add this specific item to its proper place. 5783 if (ri == null) { 5784 ri = new ResolveInfo(); 5785 ri.activityInfo = ai; 5786 } 5787 results.add(specificsPos, ri); 5788 ri.specificIndex = i; 5789 specificsPos++; 5790 } 5791 } 5792 5793 // Now we go through the remaining generic results and remove any 5794 // duplicate actions that are found here. 5795 N = results.size(); 5796 for (int i=specificsPos; i<N-1; i++) { 5797 final ResolveInfo rii = results.get(i); 5798 if (rii.filter == null) { 5799 continue; 5800 } 5801 5802 // Iterate over all of the actions of this result's intent 5803 // filter... typically this should be just one. 5804 final Iterator<String> it = rii.filter.actionsIterator(); 5805 if (it == null) { 5806 continue; 5807 } 5808 while (it.hasNext()) { 5809 final String action = it.next(); 5810 if (resultsAction != null && resultsAction.equals(action)) { 5811 // If this action was explicitly requested, then don't 5812 // remove things that have it. 5813 continue; 5814 } 5815 for (int j=i+1; j<N; j++) { 5816 final ResolveInfo rij = results.get(j); 5817 if (rij.filter != null && rij.filter.hasAction(action)) { 5818 results.remove(j); 5819 if (DEBUG_INTENT_MATCHING) Log.v( 5820 TAG, "Removing duplicate item from " + j 5821 + " due to action " + action + " at " + i); 5822 j--; 5823 N--; 5824 } 5825 } 5826 } 5827 5828 // If the caller didn't request filter information, drop it now 5829 // so we don't have to marshall/unmarshall it. 5830 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5831 rii.filter = null; 5832 } 5833 } 5834 5835 // Filter out the caller activity if so requested. 5836 if (caller != null) { 5837 N = results.size(); 5838 for (int i=0; i<N; i++) { 5839 ActivityInfo ainfo = results.get(i).activityInfo; 5840 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5841 && caller.getClassName().equals(ainfo.name)) { 5842 results.remove(i); 5843 break; 5844 } 5845 } 5846 } 5847 5848 // If the caller didn't request filter information, 5849 // drop them now so we don't have to 5850 // marshall/unmarshall it. 5851 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5852 N = results.size(); 5853 for (int i=0; i<N; i++) { 5854 results.get(i).filter = null; 5855 } 5856 } 5857 5858 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5859 return results; 5860 } 5861 5862 @Override 5863 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5864 String resolvedType, int flags, int userId) { 5865 return new ParceledListSlice<>( 5866 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5867 } 5868 5869 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5870 String resolvedType, int flags, int userId) { 5871 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5872 flags = updateFlagsForResolve(flags, userId, intent); 5873 ComponentName comp = intent.getComponent(); 5874 if (comp == null) { 5875 if (intent.getSelector() != null) { 5876 intent = intent.getSelector(); 5877 comp = intent.getComponent(); 5878 } 5879 } 5880 if (comp != null) { 5881 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5882 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5883 if (ai != null) { 5884 ResolveInfo ri = new ResolveInfo(); 5885 ri.activityInfo = ai; 5886 list.add(ri); 5887 } 5888 return list; 5889 } 5890 5891 // reader 5892 synchronized (mPackages) { 5893 String pkgName = intent.getPackage(); 5894 if (pkgName == null) { 5895 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5896 } 5897 final PackageParser.Package pkg = mPackages.get(pkgName); 5898 if (pkg != null) { 5899 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5900 userId); 5901 } 5902 return Collections.emptyList(); 5903 } 5904 } 5905 5906 @Override 5907 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5908 if (!sUserManager.exists(userId)) return null; 5909 flags = updateFlagsForResolve(flags, userId, intent); 5910 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5911 if (query != null) { 5912 if (query.size() >= 1) { 5913 // If there is more than one service with the same priority, 5914 // just arbitrarily pick the first one. 5915 return query.get(0); 5916 } 5917 } 5918 return null; 5919 } 5920 5921 @Override 5922 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5923 String resolvedType, int flags, int userId) { 5924 return new ParceledListSlice<>( 5925 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5926 } 5927 5928 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5929 String resolvedType, int flags, int userId) { 5930 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5931 flags = updateFlagsForResolve(flags, userId, intent); 5932 ComponentName comp = intent.getComponent(); 5933 if (comp == null) { 5934 if (intent.getSelector() != null) { 5935 intent = intent.getSelector(); 5936 comp = intent.getComponent(); 5937 } 5938 } 5939 if (comp != null) { 5940 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5941 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5942 if (si != null) { 5943 final ResolveInfo ri = new ResolveInfo(); 5944 ri.serviceInfo = si; 5945 list.add(ri); 5946 } 5947 return list; 5948 } 5949 5950 // reader 5951 synchronized (mPackages) { 5952 String pkgName = intent.getPackage(); 5953 if (pkgName == null) { 5954 return mServices.queryIntent(intent, resolvedType, flags, userId); 5955 } 5956 final PackageParser.Package pkg = mPackages.get(pkgName); 5957 if (pkg != null) { 5958 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5959 userId); 5960 } 5961 return Collections.emptyList(); 5962 } 5963 } 5964 5965 @Override 5966 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5967 String resolvedType, int flags, int userId) { 5968 return new ParceledListSlice<>( 5969 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5970 } 5971 5972 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5973 Intent intent, String resolvedType, int flags, int userId) { 5974 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5975 flags = updateFlagsForResolve(flags, userId, intent); 5976 ComponentName comp = intent.getComponent(); 5977 if (comp == null) { 5978 if (intent.getSelector() != null) { 5979 intent = intent.getSelector(); 5980 comp = intent.getComponent(); 5981 } 5982 } 5983 if (comp != null) { 5984 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5985 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5986 if (pi != null) { 5987 final ResolveInfo ri = new ResolveInfo(); 5988 ri.providerInfo = pi; 5989 list.add(ri); 5990 } 5991 return list; 5992 } 5993 5994 // reader 5995 synchronized (mPackages) { 5996 String pkgName = intent.getPackage(); 5997 if (pkgName == null) { 5998 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5999 } 6000 final PackageParser.Package pkg = mPackages.get(pkgName); 6001 if (pkg != null) { 6002 return mProviders.queryIntentForPackage( 6003 intent, resolvedType, flags, pkg.providers, userId); 6004 } 6005 return Collections.emptyList(); 6006 } 6007 } 6008 6009 @Override 6010 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6011 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6012 flags = updateFlagsForPackage(flags, userId, null); 6013 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6014 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6015 true /* requireFullPermission */, false /* checkShell */, 6016 "get installed packages"); 6017 6018 // writer 6019 synchronized (mPackages) { 6020 ArrayList<PackageInfo> list; 6021 if (listUninstalled) { 6022 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6023 for (PackageSetting ps : mSettings.mPackages.values()) { 6024 final PackageInfo pi; 6025 if (ps.pkg != null) { 6026 pi = generatePackageInfo(ps, flags, userId); 6027 } else { 6028 pi = generatePackageInfo(ps, flags, userId); 6029 } 6030 if (pi != null) { 6031 list.add(pi); 6032 } 6033 } 6034 } else { 6035 list = new ArrayList<PackageInfo>(mPackages.size()); 6036 for (PackageParser.Package p : mPackages.values()) { 6037 final PackageInfo pi = 6038 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6039 if (pi != null) { 6040 list.add(pi); 6041 } 6042 } 6043 } 6044 6045 return new ParceledListSlice<PackageInfo>(list); 6046 } 6047 } 6048 6049 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6050 String[] permissions, boolean[] tmp, int flags, int userId) { 6051 int numMatch = 0; 6052 final PermissionsState permissionsState = ps.getPermissionsState(); 6053 for (int i=0; i<permissions.length; i++) { 6054 final String permission = permissions[i]; 6055 if (permissionsState.hasPermission(permission, userId)) { 6056 tmp[i] = true; 6057 numMatch++; 6058 } else { 6059 tmp[i] = false; 6060 } 6061 } 6062 if (numMatch == 0) { 6063 return; 6064 } 6065 final PackageInfo pi; 6066 if (ps.pkg != null) { 6067 pi = generatePackageInfo(ps, flags, userId); 6068 } else { 6069 pi = generatePackageInfo(ps, flags, userId); 6070 } 6071 // The above might return null in cases of uninstalled apps or install-state 6072 // skew across users/profiles. 6073 if (pi != null) { 6074 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6075 if (numMatch == permissions.length) { 6076 pi.requestedPermissions = permissions; 6077 } else { 6078 pi.requestedPermissions = new String[numMatch]; 6079 numMatch = 0; 6080 for (int i=0; i<permissions.length; i++) { 6081 if (tmp[i]) { 6082 pi.requestedPermissions[numMatch] = permissions[i]; 6083 numMatch++; 6084 } 6085 } 6086 } 6087 } 6088 list.add(pi); 6089 } 6090 } 6091 6092 @Override 6093 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6094 String[] permissions, int flags, int userId) { 6095 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6096 flags = updateFlagsForPackage(flags, userId, permissions); 6097 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6098 6099 // writer 6100 synchronized (mPackages) { 6101 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6102 boolean[] tmpBools = new boolean[permissions.length]; 6103 if (listUninstalled) { 6104 for (PackageSetting ps : mSettings.mPackages.values()) { 6105 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6106 } 6107 } else { 6108 for (PackageParser.Package pkg : mPackages.values()) { 6109 PackageSetting ps = (PackageSetting)pkg.mExtras; 6110 if (ps != null) { 6111 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6112 userId); 6113 } 6114 } 6115 } 6116 6117 return new ParceledListSlice<PackageInfo>(list); 6118 } 6119 } 6120 6121 @Override 6122 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6123 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6124 flags = updateFlagsForApplication(flags, userId, null); 6125 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6126 6127 // writer 6128 synchronized (mPackages) { 6129 ArrayList<ApplicationInfo> list; 6130 if (listUninstalled) { 6131 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6132 for (PackageSetting ps : mSettings.mPackages.values()) { 6133 ApplicationInfo ai; 6134 if (ps.pkg != null) { 6135 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6136 ps.readUserState(userId), userId); 6137 } else { 6138 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6139 } 6140 if (ai != null) { 6141 list.add(ai); 6142 } 6143 } 6144 } else { 6145 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6146 for (PackageParser.Package p : mPackages.values()) { 6147 if (p.mExtras != null) { 6148 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6149 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6150 if (ai != null) { 6151 list.add(ai); 6152 } 6153 } 6154 } 6155 } 6156 6157 return new ParceledListSlice<ApplicationInfo>(list); 6158 } 6159 } 6160 6161 @Override 6162 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6163 if (DISABLE_EPHEMERAL_APPS) { 6164 return null; 6165 } 6166 6167 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6168 "getEphemeralApplications"); 6169 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6170 true /* requireFullPermission */, false /* checkShell */, 6171 "getEphemeralApplications"); 6172 synchronized (mPackages) { 6173 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6174 .getEphemeralApplicationsLPw(userId); 6175 if (ephemeralApps != null) { 6176 return new ParceledListSlice<>(ephemeralApps); 6177 } 6178 } 6179 return null; 6180 } 6181 6182 @Override 6183 public boolean isEphemeralApplication(String packageName, int userId) { 6184 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6185 true /* requireFullPermission */, false /* checkShell */, 6186 "isEphemeral"); 6187 if (DISABLE_EPHEMERAL_APPS) { 6188 return false; 6189 } 6190 6191 if (!isCallerSameApp(packageName)) { 6192 return false; 6193 } 6194 synchronized (mPackages) { 6195 PackageParser.Package pkg = mPackages.get(packageName); 6196 if (pkg != null) { 6197 return pkg.applicationInfo.isEphemeralApp(); 6198 } 6199 } 6200 return false; 6201 } 6202 6203 @Override 6204 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6205 if (DISABLE_EPHEMERAL_APPS) { 6206 return null; 6207 } 6208 6209 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6210 true /* requireFullPermission */, false /* checkShell */, 6211 "getCookie"); 6212 if (!isCallerSameApp(packageName)) { 6213 return null; 6214 } 6215 synchronized (mPackages) { 6216 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6217 packageName, userId); 6218 } 6219 } 6220 6221 @Override 6222 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6223 if (DISABLE_EPHEMERAL_APPS) { 6224 return true; 6225 } 6226 6227 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6228 true /* requireFullPermission */, true /* checkShell */, 6229 "setCookie"); 6230 if (!isCallerSameApp(packageName)) { 6231 return false; 6232 } 6233 synchronized (mPackages) { 6234 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6235 packageName, cookie, userId); 6236 } 6237 } 6238 6239 @Override 6240 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6241 if (DISABLE_EPHEMERAL_APPS) { 6242 return null; 6243 } 6244 6245 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6246 "getEphemeralApplicationIcon"); 6247 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6248 true /* requireFullPermission */, false /* checkShell */, 6249 "getEphemeralApplicationIcon"); 6250 synchronized (mPackages) { 6251 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6252 packageName, userId); 6253 } 6254 } 6255 6256 private boolean isCallerSameApp(String packageName) { 6257 PackageParser.Package pkg = mPackages.get(packageName); 6258 return pkg != null 6259 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6260 } 6261 6262 @Override 6263 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6264 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6265 } 6266 6267 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6268 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6269 6270 // reader 6271 synchronized (mPackages) { 6272 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6273 final int userId = UserHandle.getCallingUserId(); 6274 while (i.hasNext()) { 6275 final PackageParser.Package p = i.next(); 6276 if (p.applicationInfo == null) continue; 6277 6278 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6279 && !p.applicationInfo.isDirectBootAware(); 6280 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6281 && p.applicationInfo.isDirectBootAware(); 6282 6283 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6284 && (!mSafeMode || isSystemApp(p)) 6285 && (matchesUnaware || matchesAware)) { 6286 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6287 if (ps != null) { 6288 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6289 ps.readUserState(userId), userId); 6290 if (ai != null) { 6291 finalList.add(ai); 6292 } 6293 } 6294 } 6295 } 6296 } 6297 6298 return finalList; 6299 } 6300 6301 @Override 6302 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6303 if (!sUserManager.exists(userId)) return null; 6304 flags = updateFlagsForComponent(flags, userId, name); 6305 // reader 6306 synchronized (mPackages) { 6307 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6308 PackageSetting ps = provider != null 6309 ? mSettings.mPackages.get(provider.owner.packageName) 6310 : null; 6311 return ps != null 6312 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6313 ? PackageParser.generateProviderInfo(provider, flags, 6314 ps.readUserState(userId), userId) 6315 : null; 6316 } 6317 } 6318 6319 /** 6320 * @deprecated 6321 */ 6322 @Deprecated 6323 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6324 // reader 6325 synchronized (mPackages) { 6326 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6327 .entrySet().iterator(); 6328 final int userId = UserHandle.getCallingUserId(); 6329 while (i.hasNext()) { 6330 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6331 PackageParser.Provider p = entry.getValue(); 6332 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6333 6334 if (ps != null && p.syncable 6335 && (!mSafeMode || (p.info.applicationInfo.flags 6336 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6337 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6338 ps.readUserState(userId), userId); 6339 if (info != null) { 6340 outNames.add(entry.getKey()); 6341 outInfo.add(info); 6342 } 6343 } 6344 } 6345 } 6346 } 6347 6348 @Override 6349 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6350 int uid, int flags) { 6351 final int userId = processName != null ? UserHandle.getUserId(uid) 6352 : UserHandle.getCallingUserId(); 6353 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6354 flags = updateFlagsForComponent(flags, userId, processName); 6355 6356 ArrayList<ProviderInfo> finalList = null; 6357 // reader 6358 synchronized (mPackages) { 6359 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6360 while (i.hasNext()) { 6361 final PackageParser.Provider p = i.next(); 6362 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6363 if (ps != null && p.info.authority != null 6364 && (processName == null 6365 || (p.info.processName.equals(processName) 6366 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6367 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6368 if (finalList == null) { 6369 finalList = new ArrayList<ProviderInfo>(3); 6370 } 6371 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6372 ps.readUserState(userId), userId); 6373 if (info != null) { 6374 finalList.add(info); 6375 } 6376 } 6377 } 6378 } 6379 6380 if (finalList != null) { 6381 Collections.sort(finalList, mProviderInitOrderSorter); 6382 return new ParceledListSlice<ProviderInfo>(finalList); 6383 } 6384 6385 return ParceledListSlice.emptyList(); 6386 } 6387 6388 @Override 6389 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6390 // reader 6391 synchronized (mPackages) { 6392 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6393 return PackageParser.generateInstrumentationInfo(i, flags); 6394 } 6395 } 6396 6397 @Override 6398 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6399 String targetPackage, int flags) { 6400 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6401 } 6402 6403 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6404 int flags) { 6405 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6406 6407 // reader 6408 synchronized (mPackages) { 6409 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6410 while (i.hasNext()) { 6411 final PackageParser.Instrumentation p = i.next(); 6412 if (targetPackage == null 6413 || targetPackage.equals(p.info.targetPackage)) { 6414 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6415 flags); 6416 if (ii != null) { 6417 finalList.add(ii); 6418 } 6419 } 6420 } 6421 } 6422 6423 return finalList; 6424 } 6425 6426 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6427 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6428 if (overlays == null) { 6429 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6430 return; 6431 } 6432 for (PackageParser.Package opkg : overlays.values()) { 6433 // Not much to do if idmap fails: we already logged the error 6434 // and we certainly don't want to abort installation of pkg simply 6435 // because an overlay didn't fit properly. For these reasons, 6436 // ignore the return value of createIdmapForPackagePairLI. 6437 createIdmapForPackagePairLI(pkg, opkg); 6438 } 6439 } 6440 6441 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6442 PackageParser.Package opkg) { 6443 if (!opkg.mTrustedOverlay) { 6444 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6445 opkg.baseCodePath + ": overlay not trusted"); 6446 return false; 6447 } 6448 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6449 if (overlaySet == null) { 6450 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6451 opkg.baseCodePath + " but target package has no known overlays"); 6452 return false; 6453 } 6454 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6455 // TODO: generate idmap for split APKs 6456 try { 6457 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6458 } catch (InstallerException e) { 6459 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6460 + opkg.baseCodePath); 6461 return false; 6462 } 6463 PackageParser.Package[] overlayArray = 6464 overlaySet.values().toArray(new PackageParser.Package[0]); 6465 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6466 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6467 return p1.mOverlayPriority - p2.mOverlayPriority; 6468 } 6469 }; 6470 Arrays.sort(overlayArray, cmp); 6471 6472 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6473 int i = 0; 6474 for (PackageParser.Package p : overlayArray) { 6475 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6476 } 6477 return true; 6478 } 6479 6480 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6481 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6482 try { 6483 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6484 } finally { 6485 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6486 } 6487 } 6488 6489 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6490 final File[] files = dir.listFiles(); 6491 if (ArrayUtils.isEmpty(files)) { 6492 Log.d(TAG, "No files in app dir " + dir); 6493 return; 6494 } 6495 6496 if (DEBUG_PACKAGE_SCANNING) { 6497 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6498 + " flags=0x" + Integer.toHexString(parseFlags)); 6499 } 6500 6501 for (File file : files) { 6502 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6503 && !PackageInstallerService.isStageName(file.getName()); 6504 if (!isPackage) { 6505 // Ignore entries which are not packages 6506 continue; 6507 } 6508 try { 6509 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6510 scanFlags, currentTime, null); 6511 } catch (PackageManagerException e) { 6512 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6513 6514 // Delete invalid userdata apps 6515 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6516 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6517 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6518 removeCodePathLI(file); 6519 } 6520 } 6521 } 6522 } 6523 6524 private static File getSettingsProblemFile() { 6525 File dataDir = Environment.getDataDirectory(); 6526 File systemDir = new File(dataDir, "system"); 6527 File fname = new File(systemDir, "uiderrors.txt"); 6528 return fname; 6529 } 6530 6531 static void reportSettingsProblem(int priority, String msg) { 6532 logCriticalInfo(priority, msg); 6533 } 6534 6535 static void logCriticalInfo(int priority, String msg) { 6536 Slog.println(priority, TAG, msg); 6537 EventLogTags.writePmCriticalInfo(msg); 6538 try { 6539 File fname = getSettingsProblemFile(); 6540 FileOutputStream out = new FileOutputStream(fname, true); 6541 PrintWriter pw = new FastPrintWriter(out); 6542 SimpleDateFormat formatter = new SimpleDateFormat(); 6543 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6544 pw.println(dateString + ": " + msg); 6545 pw.close(); 6546 FileUtils.setPermissions( 6547 fname.toString(), 6548 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6549 -1, -1); 6550 } catch (java.io.IOException e) { 6551 } 6552 } 6553 6554 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6555 int parseFlags) throws PackageManagerException { 6556 if (ps != null 6557 && ps.codePath.equals(srcFile) 6558 && ps.timeStamp == srcFile.lastModified() 6559 && !isCompatSignatureUpdateNeeded(pkg) 6560 && !isRecoverSignatureUpdateNeeded(pkg)) { 6561 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6562 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6563 ArraySet<PublicKey> signingKs; 6564 synchronized (mPackages) { 6565 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6566 } 6567 if (ps.signatures.mSignatures != null 6568 && ps.signatures.mSignatures.length != 0 6569 && signingKs != null) { 6570 // Optimization: reuse the existing cached certificates 6571 // if the package appears to be unchanged. 6572 pkg.mSignatures = ps.signatures.mSignatures; 6573 pkg.mSigningKeys = signingKs; 6574 return; 6575 } 6576 6577 Slog.w(TAG, "PackageSetting for " + ps.name 6578 + " is missing signatures. Collecting certs again to recover them."); 6579 } else { 6580 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6581 } 6582 6583 try { 6584 PackageParser.collectCertificates(pkg, parseFlags); 6585 } catch (PackageParserException e) { 6586 throw PackageManagerException.from(e); 6587 } 6588 } 6589 6590 /** 6591 * Traces a package scan. 6592 * @see #scanPackageLI(File, int, int, long, UserHandle) 6593 */ 6594 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6595 long currentTime, UserHandle user) throws PackageManagerException { 6596 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6597 try { 6598 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6599 } finally { 6600 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6601 } 6602 } 6603 6604 /** 6605 * Scans a package and returns the newly parsed package. 6606 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6607 */ 6608 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6609 long currentTime, UserHandle user) throws PackageManagerException { 6610 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6611 parseFlags |= mDefParseFlags; 6612 PackageParser pp = new PackageParser(); 6613 pp.setSeparateProcesses(mSeparateProcesses); 6614 pp.setOnlyCoreApps(mOnlyCore); 6615 pp.setDisplayMetrics(mMetrics); 6616 6617 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6618 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6619 } 6620 6621 final PackageParser.Package pkg; 6622 try { 6623 pkg = pp.parsePackage(scanFile, parseFlags); 6624 } catch (PackageParserException e) { 6625 throw PackageManagerException.from(e); 6626 } 6627 6628 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6629 } 6630 6631 /** 6632 * Scans a package and returns the newly parsed package. 6633 * @throws PackageManagerException on a parse error. 6634 */ 6635 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6636 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6637 throws PackageManagerException { 6638 // If the package has children and this is the first dive in the function 6639 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6640 // packages (parent and children) would be successfully scanned before the 6641 // actual scan since scanning mutates internal state and we want to atomically 6642 // install the package and its children. 6643 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6644 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6645 scanFlags |= SCAN_CHECK_ONLY; 6646 } 6647 } else { 6648 scanFlags &= ~SCAN_CHECK_ONLY; 6649 } 6650 6651 // Scan the parent 6652 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6653 scanFlags, currentTime, user); 6654 6655 // Scan the children 6656 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6657 for (int i = 0; i < childCount; i++) { 6658 PackageParser.Package childPackage = pkg.childPackages.get(i); 6659 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6660 currentTime, user); 6661 } 6662 6663 6664 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6665 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6666 } 6667 6668 return scannedPkg; 6669 } 6670 6671 /** 6672 * Scans a package and returns the newly parsed package. 6673 * @throws PackageManagerException on a parse error. 6674 */ 6675 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6676 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6677 throws PackageManagerException { 6678 PackageSetting ps = null; 6679 PackageSetting updatedPkg; 6680 // reader 6681 synchronized (mPackages) { 6682 // Look to see if we already know about this package. 6683 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6684 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6685 // This package has been renamed to its original name. Let's 6686 // use that. 6687 ps = mSettings.peekPackageLPr(oldName); 6688 } 6689 // If there was no original package, see one for the real package name. 6690 if (ps == null) { 6691 ps = mSettings.peekPackageLPr(pkg.packageName); 6692 } 6693 // Check to see if this package could be hiding/updating a system 6694 // package. Must look for it either under the original or real 6695 // package name depending on our state. 6696 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6697 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6698 6699 // If this is a package we don't know about on the system partition, we 6700 // may need to remove disabled child packages on the system partition 6701 // or may need to not add child packages if the parent apk is updated 6702 // on the data partition and no longer defines this child package. 6703 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6704 // If this is a parent package for an updated system app and this system 6705 // app got an OTA update which no longer defines some of the child packages 6706 // we have to prune them from the disabled system packages. 6707 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6708 if (disabledPs != null) { 6709 final int scannedChildCount = (pkg.childPackages != null) 6710 ? pkg.childPackages.size() : 0; 6711 final int disabledChildCount = disabledPs.childPackageNames != null 6712 ? disabledPs.childPackageNames.size() : 0; 6713 for (int i = 0; i < disabledChildCount; i++) { 6714 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6715 boolean disabledPackageAvailable = false; 6716 for (int j = 0; j < scannedChildCount; j++) { 6717 PackageParser.Package childPkg = pkg.childPackages.get(j); 6718 if (childPkg.packageName.equals(disabledChildPackageName)) { 6719 disabledPackageAvailable = true; 6720 break; 6721 } 6722 } 6723 if (!disabledPackageAvailable) { 6724 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6725 } 6726 } 6727 } 6728 } 6729 } 6730 6731 boolean updatedPkgBetter = false; 6732 // First check if this is a system package that may involve an update 6733 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6734 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6735 // it needs to drop FLAG_PRIVILEGED. 6736 if (locationIsPrivileged(scanFile)) { 6737 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6738 } else { 6739 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6740 } 6741 6742 if (ps != null && !ps.codePath.equals(scanFile)) { 6743 // The path has changed from what was last scanned... check the 6744 // version of the new path against what we have stored to determine 6745 // what to do. 6746 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6747 if (pkg.mVersionCode <= ps.versionCode) { 6748 // The system package has been updated and the code path does not match 6749 // Ignore entry. Skip it. 6750 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6751 + " ignored: updated version " + ps.versionCode 6752 + " better than this " + pkg.mVersionCode); 6753 if (!updatedPkg.codePath.equals(scanFile)) { 6754 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6755 + ps.name + " changing from " + updatedPkg.codePathString 6756 + " to " + scanFile); 6757 updatedPkg.codePath = scanFile; 6758 updatedPkg.codePathString = scanFile.toString(); 6759 updatedPkg.resourcePath = scanFile; 6760 updatedPkg.resourcePathString = scanFile.toString(); 6761 } 6762 updatedPkg.pkg = pkg; 6763 updatedPkg.versionCode = pkg.mVersionCode; 6764 6765 // Update the disabled system child packages to point to the package too. 6766 final int childCount = updatedPkg.childPackageNames != null 6767 ? updatedPkg.childPackageNames.size() : 0; 6768 for (int i = 0; i < childCount; i++) { 6769 String childPackageName = updatedPkg.childPackageNames.get(i); 6770 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6771 childPackageName); 6772 if (updatedChildPkg != null) { 6773 updatedChildPkg.pkg = pkg; 6774 updatedChildPkg.versionCode = pkg.mVersionCode; 6775 } 6776 } 6777 6778 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6779 + scanFile + " ignored: updated version " + ps.versionCode 6780 + " better than this " + pkg.mVersionCode); 6781 } else { 6782 // The current app on the system partition is better than 6783 // what we have updated to on the data partition; switch 6784 // back to the system partition version. 6785 // At this point, its safely assumed that package installation for 6786 // apps in system partition will go through. If not there won't be a working 6787 // version of the app 6788 // writer 6789 synchronized (mPackages) { 6790 // Just remove the loaded entries from package lists. 6791 mPackages.remove(ps.name); 6792 } 6793 6794 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6795 + " reverting from " + ps.codePathString 6796 + ": new version " + pkg.mVersionCode 6797 + " better than installed " + ps.versionCode); 6798 6799 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6800 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6801 synchronized (mInstallLock) { 6802 args.cleanUpResourcesLI(); 6803 } 6804 synchronized (mPackages) { 6805 mSettings.enableSystemPackageLPw(ps.name); 6806 } 6807 updatedPkgBetter = true; 6808 } 6809 } 6810 } 6811 6812 if (updatedPkg != null) { 6813 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6814 // initially 6815 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6816 6817 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6818 // flag set initially 6819 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6820 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6821 } 6822 } 6823 6824 // Verify certificates against what was last scanned 6825 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6826 6827 /* 6828 * A new system app appeared, but we already had a non-system one of the 6829 * same name installed earlier. 6830 */ 6831 boolean shouldHideSystemApp = false; 6832 if (updatedPkg == null && ps != null 6833 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6834 /* 6835 * Check to make sure the signatures match first. If they don't, 6836 * wipe the installed application and its data. 6837 */ 6838 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6839 != PackageManager.SIGNATURE_MATCH) { 6840 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6841 + " signatures don't match existing userdata copy; removing"); 6842 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6843 "scanPackageInternalLI")) { 6844 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6845 } 6846 ps = null; 6847 } else { 6848 /* 6849 * If the newly-added system app is an older version than the 6850 * already installed version, hide it. It will be scanned later 6851 * and re-added like an update. 6852 */ 6853 if (pkg.mVersionCode <= ps.versionCode) { 6854 shouldHideSystemApp = true; 6855 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6856 + " but new version " + pkg.mVersionCode + " better than installed " 6857 + ps.versionCode + "; hiding system"); 6858 } else { 6859 /* 6860 * The newly found system app is a newer version that the 6861 * one previously installed. Simply remove the 6862 * already-installed application and replace it with our own 6863 * while keeping the application data. 6864 */ 6865 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6866 + " reverting from " + ps.codePathString + ": new version " 6867 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6868 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6869 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6870 synchronized (mInstallLock) { 6871 args.cleanUpResourcesLI(); 6872 } 6873 } 6874 } 6875 } 6876 6877 // The apk is forward locked (not public) if its code and resources 6878 // are kept in different files. (except for app in either system or 6879 // vendor path). 6880 // TODO grab this value from PackageSettings 6881 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6882 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6883 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6884 } 6885 } 6886 6887 // TODO: extend to support forward-locked splits 6888 String resourcePath = null; 6889 String baseResourcePath = null; 6890 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6891 if (ps != null && ps.resourcePathString != null) { 6892 resourcePath = ps.resourcePathString; 6893 baseResourcePath = ps.resourcePathString; 6894 } else { 6895 // Should not happen at all. Just log an error. 6896 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6897 } 6898 } else { 6899 resourcePath = pkg.codePath; 6900 baseResourcePath = pkg.baseCodePath; 6901 } 6902 6903 // Set application objects path explicitly. 6904 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6905 pkg.setApplicationInfoCodePath(pkg.codePath); 6906 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6907 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6908 pkg.setApplicationInfoResourcePath(resourcePath); 6909 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6910 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6911 6912 // Note that we invoke the following method only if we are about to unpack an application 6913 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6914 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6915 6916 /* 6917 * If the system app should be overridden by a previously installed 6918 * data, hide the system app now and let the /data/app scan pick it up 6919 * again. 6920 */ 6921 if (shouldHideSystemApp) { 6922 synchronized (mPackages) { 6923 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6924 } 6925 } 6926 6927 return scannedPkg; 6928 } 6929 6930 private static String fixProcessName(String defProcessName, 6931 String processName, int uid) { 6932 if (processName == null) { 6933 return defProcessName; 6934 } 6935 return processName; 6936 } 6937 6938 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6939 throws PackageManagerException { 6940 if (pkgSetting.signatures.mSignatures != null) { 6941 // Already existing package. Make sure signatures match 6942 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6943 == PackageManager.SIGNATURE_MATCH; 6944 if (!match) { 6945 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6946 == PackageManager.SIGNATURE_MATCH; 6947 } 6948 if (!match) { 6949 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6950 == PackageManager.SIGNATURE_MATCH; 6951 } 6952 if (!match) { 6953 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6954 + pkg.packageName + " signatures do not match the " 6955 + "previously installed version; ignoring!"); 6956 } 6957 } 6958 6959 // Check for shared user signatures 6960 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6961 // Already existing package. Make sure signatures match 6962 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6963 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6964 if (!match) { 6965 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6966 == PackageManager.SIGNATURE_MATCH; 6967 } 6968 if (!match) { 6969 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6970 == PackageManager.SIGNATURE_MATCH; 6971 } 6972 if (!match) { 6973 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6974 "Package " + pkg.packageName 6975 + " has no signatures that match those in shared user " 6976 + pkgSetting.sharedUser.name + "; ignoring!"); 6977 } 6978 } 6979 } 6980 6981 /** 6982 * Enforces that only the system UID or root's UID can call a method exposed 6983 * via Binder. 6984 * 6985 * @param message used as message if SecurityException is thrown 6986 * @throws SecurityException if the caller is not system or root 6987 */ 6988 private static final void enforceSystemOrRoot(String message) { 6989 final int uid = Binder.getCallingUid(); 6990 if (uid != Process.SYSTEM_UID && uid != 0) { 6991 throw new SecurityException(message); 6992 } 6993 } 6994 6995 @Override 6996 public void performFstrimIfNeeded() { 6997 enforceSystemOrRoot("Only the system can request fstrim"); 6998 6999 // Before everything else, see whether we need to fstrim. 7000 try { 7001 IMountService ms = PackageHelper.getMountService(); 7002 if (ms != null) { 7003 final boolean isUpgrade = isUpgrade(); 7004 boolean doTrim = isUpgrade; 7005 if (doTrim) { 7006 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7007 } else { 7008 final long interval = android.provider.Settings.Global.getLong( 7009 mContext.getContentResolver(), 7010 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7011 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7012 if (interval > 0) { 7013 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7014 if (timeSinceLast > interval) { 7015 doTrim = true; 7016 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7017 + "; running immediately"); 7018 } 7019 } 7020 } 7021 if (doTrim) { 7022 if (!isFirstBoot()) { 7023 try { 7024 ActivityManagerNative.getDefault().showBootMessage( 7025 mContext.getResources().getString( 7026 R.string.android_upgrading_fstrim), true); 7027 } catch (RemoteException e) { 7028 } 7029 } 7030 ms.runMaintenance(); 7031 } 7032 } else { 7033 Slog.e(TAG, "Mount service unavailable!"); 7034 } 7035 } catch (RemoteException e) { 7036 // Can't happen; MountService is local 7037 } 7038 } 7039 7040 @Override 7041 public void updatePackagesIfNeeded() { 7042 enforceSystemOrRoot("Only the system can request package update"); 7043 7044 // We need to re-extract after an OTA. 7045 boolean causeUpgrade = isUpgrade(); 7046 7047 // First boot or factory reset. 7048 // Note: we also handle devices that are upgrading to N right now as if it is their 7049 // first boot, as they do not have profile data. 7050 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7051 7052 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7053 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7054 7055 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7056 return; 7057 } 7058 7059 List<PackageParser.Package> pkgs; 7060 synchronized (mPackages) { 7061 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7062 } 7063 7064 UsageStatsManager usageMgr = 7065 (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 7066 7067 int curr = 0; 7068 int total = pkgs.size(); 7069 for (PackageParser.Package pkg : pkgs) { 7070 curr++; 7071 7072 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7073 if (DEBUG_DEXOPT) { 7074 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7075 } 7076 continue; 7077 } 7078 7079 if (!causeFirstBoot && usageMgr.isAppInactive(pkg.packageName)) { 7080 if (DEBUG_DEXOPT) { 7081 Log.i(TAG, "Skipping update of of idle app " + pkg.packageName); 7082 } 7083 continue; 7084 } 7085 7086 if (DEBUG_DEXOPT) { 7087 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7088 } 7089 7090 if (!isFirstBoot()) { 7091 try { 7092 ActivityManagerNative.getDefault().showBootMessage( 7093 mContext.getResources().getString(R.string.android_upgrading_apk, 7094 curr, total), true); 7095 } catch (RemoteException e) { 7096 } 7097 } 7098 7099 performDexOpt(pkg.packageName, 7100 null /* instructionSet */, 7101 false /* checkProfiles */, 7102 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7103 false /* force */); 7104 } 7105 } 7106 7107 @Override 7108 public void notifyPackageUse(String packageName) { 7109 synchronized (mPackages) { 7110 PackageParser.Package p = mPackages.get(packageName); 7111 if (p == null) { 7112 return; 7113 } 7114 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 7115 } 7116 } 7117 7118 // TODO: this is not used nor needed. Delete it. 7119 @Override 7120 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7121 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7122 getFullCompilerFilter(), false /* force */); 7123 } 7124 7125 @Override 7126 public boolean performDexOpt(String packageName, String instructionSet, 7127 boolean checkProfiles, int compileReason, boolean force) { 7128 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7129 getCompilerFilterForReason(compileReason), force); 7130 } 7131 7132 @Override 7133 public boolean performDexOptMode(String packageName, String instructionSet, 7134 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7135 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7136 targetCompilerFilter, force); 7137 } 7138 7139 private boolean performDexOptTraced(String packageName, String instructionSet, 7140 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7141 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7142 try { 7143 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7144 targetCompilerFilter, force); 7145 } finally { 7146 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7147 } 7148 } 7149 7150 private boolean performDexOptInternal(String packageName, String instructionSet, 7151 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7152 PackageParser.Package p; 7153 final String targetInstructionSet; 7154 synchronized (mPackages) { 7155 p = mPackages.get(packageName); 7156 if (p == null) { 7157 return false; 7158 } 7159 mPackageUsage.write(false); 7160 7161 targetInstructionSet = instructionSet != null ? instructionSet : 7162 getPrimaryInstructionSet(p.applicationInfo); 7163 } 7164 long callingId = Binder.clearCallingIdentity(); 7165 try { 7166 synchronized (mInstallLock) { 7167 final String[] instructionSets = new String[] { targetInstructionSet }; 7168 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7169 checkProfiles, targetCompilerFilter, force); 7170 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 7171 } 7172 } finally { 7173 Binder.restoreCallingIdentity(callingId); 7174 } 7175 } 7176 7177 public ArraySet<String> getOptimizablePackages() { 7178 ArraySet<String> pkgs = new ArraySet<String>(); 7179 synchronized (mPackages) { 7180 for (PackageParser.Package p : mPackages.values()) { 7181 if (PackageDexOptimizer.canOptimizePackage(p)) { 7182 pkgs.add(p.packageName); 7183 } 7184 } 7185 } 7186 return pkgs; 7187 } 7188 7189 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7190 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7191 boolean force) { 7192 // Select the dex optimizer based on the force parameter. 7193 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7194 // allocate an object here. 7195 PackageDexOptimizer pdo = force 7196 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7197 : mPackageDexOptimizer; 7198 7199 // Optimize all dependencies first. Note: we ignore the return value and march on 7200 // on errors. 7201 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7202 if (!deps.isEmpty()) { 7203 for (PackageParser.Package depPackage : deps) { 7204 // TODO: Analyze and investigate if we (should) profile libraries. 7205 // Currently this will do a full compilation of the library by default. 7206 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7207 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7208 } 7209 } 7210 7211 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7212 } 7213 7214 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7215 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7216 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7217 Set<String> collectedNames = new HashSet<>(); 7218 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7219 7220 retValue.remove(p); 7221 7222 return retValue; 7223 } else { 7224 return Collections.emptyList(); 7225 } 7226 } 7227 7228 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7229 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7230 if (!collectedNames.contains(p.packageName)) { 7231 collectedNames.add(p.packageName); 7232 collected.add(p); 7233 7234 if (p.usesLibraries != null) { 7235 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7236 } 7237 if (p.usesOptionalLibraries != null) { 7238 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7239 collectedNames); 7240 } 7241 } 7242 } 7243 7244 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7245 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7246 for (String libName : libs) { 7247 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7248 if (libPkg != null) { 7249 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7250 } 7251 } 7252 } 7253 7254 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7255 synchronized (mPackages) { 7256 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7257 if (lib != null && lib.apk != null) { 7258 return mPackages.get(lib.apk); 7259 } 7260 } 7261 return null; 7262 } 7263 7264 public void shutdown() { 7265 mPackageUsage.write(true); 7266 } 7267 7268 @Override 7269 public void forceDexOpt(String packageName) { 7270 enforceSystemOrRoot("forceDexOpt"); 7271 7272 PackageParser.Package pkg; 7273 synchronized (mPackages) { 7274 pkg = mPackages.get(packageName); 7275 if (pkg == null) { 7276 throw new IllegalArgumentException("Unknown package: " + packageName); 7277 } 7278 } 7279 7280 synchronized (mInstallLock) { 7281 final String[] instructionSets = new String[] { 7282 getPrimaryInstructionSet(pkg.applicationInfo) }; 7283 7284 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7285 7286 // Whoever is calling forceDexOpt wants a fully compiled package. 7287 // Don't use profiles since that may cause compilation to be skipped. 7288 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7289 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7290 true /* force */); 7291 7292 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7293 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7294 throw new IllegalStateException("Failed to dexopt: " + res); 7295 } 7296 } 7297 } 7298 7299 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7300 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7301 Slog.w(TAG, "Unable to update from " + oldPkg.name 7302 + " to " + newPkg.packageName 7303 + ": old package not in system partition"); 7304 return false; 7305 } else if (mPackages.get(oldPkg.name) != null) { 7306 Slog.w(TAG, "Unable to update from " + oldPkg.name 7307 + " to " + newPkg.packageName 7308 + ": old package still exists"); 7309 return false; 7310 } 7311 return true; 7312 } 7313 7314 void removeCodePathLI(File codePath) { 7315 if (codePath.isDirectory()) { 7316 try { 7317 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7318 } catch (InstallerException e) { 7319 Slog.w(TAG, "Failed to remove code path", e); 7320 } 7321 } else { 7322 codePath.delete(); 7323 } 7324 } 7325 7326 private int[] resolveUserIds(int userId) { 7327 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7328 } 7329 7330 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7331 if (pkg == null) { 7332 Slog.wtf(TAG, "Package was null!", new Throwable()); 7333 return; 7334 } 7335 clearAppDataLeafLIF(pkg, userId, flags); 7336 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7337 for (int i = 0; i < childCount; i++) { 7338 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7339 } 7340 } 7341 7342 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7343 final PackageSetting ps; 7344 synchronized (mPackages) { 7345 ps = mSettings.mPackages.get(pkg.packageName); 7346 } 7347 for (int realUserId : resolveUserIds(userId)) { 7348 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7349 try { 7350 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7351 ceDataInode); 7352 } catch (InstallerException e) { 7353 Slog.w(TAG, String.valueOf(e)); 7354 } 7355 } 7356 } 7357 7358 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7359 if (pkg == null) { 7360 Slog.wtf(TAG, "Package was null!", new Throwable()); 7361 return; 7362 } 7363 destroyAppDataLeafLIF(pkg, userId, flags); 7364 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7365 for (int i = 0; i < childCount; i++) { 7366 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7367 } 7368 } 7369 7370 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7371 final PackageSetting ps; 7372 synchronized (mPackages) { 7373 ps = mSettings.mPackages.get(pkg.packageName); 7374 } 7375 for (int realUserId : resolveUserIds(userId)) { 7376 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7377 try { 7378 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7379 ceDataInode); 7380 } catch (InstallerException e) { 7381 Slog.w(TAG, String.valueOf(e)); 7382 } 7383 } 7384 } 7385 7386 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7387 if (pkg == null) { 7388 Slog.wtf(TAG, "Package was null!", new Throwable()); 7389 return; 7390 } 7391 destroyAppProfilesLeafLIF(pkg); 7392 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7393 for (int i = 0; i < childCount; i++) { 7394 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7395 } 7396 } 7397 7398 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7399 try { 7400 mInstaller.destroyAppProfiles(pkg.packageName); 7401 } catch (InstallerException e) { 7402 Slog.w(TAG, String.valueOf(e)); 7403 } 7404 } 7405 7406 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7407 if (pkg == null) { 7408 Slog.wtf(TAG, "Package was null!", new Throwable()); 7409 return; 7410 } 7411 clearAppProfilesLeafLIF(pkg); 7412 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7413 for (int i = 0; i < childCount; i++) { 7414 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7415 } 7416 } 7417 7418 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7419 try { 7420 mInstaller.clearAppProfiles(pkg.packageName); 7421 } catch (InstallerException e) { 7422 Slog.w(TAG, String.valueOf(e)); 7423 } 7424 } 7425 7426 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7427 long lastUpdateTime) { 7428 // Set parent install/update time 7429 PackageSetting ps = (PackageSetting) pkg.mExtras; 7430 if (ps != null) { 7431 ps.firstInstallTime = firstInstallTime; 7432 ps.lastUpdateTime = lastUpdateTime; 7433 } 7434 // Set children install/update time 7435 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7436 for (int i = 0; i < childCount; i++) { 7437 PackageParser.Package childPkg = pkg.childPackages.get(i); 7438 ps = (PackageSetting) childPkg.mExtras; 7439 if (ps != null) { 7440 ps.firstInstallTime = firstInstallTime; 7441 ps.lastUpdateTime = lastUpdateTime; 7442 } 7443 } 7444 } 7445 7446 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7447 PackageParser.Package changingLib) { 7448 if (file.path != null) { 7449 usesLibraryFiles.add(file.path); 7450 return; 7451 } 7452 PackageParser.Package p = mPackages.get(file.apk); 7453 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7454 // If we are doing this while in the middle of updating a library apk, 7455 // then we need to make sure to use that new apk for determining the 7456 // dependencies here. (We haven't yet finished committing the new apk 7457 // to the package manager state.) 7458 if (p == null || p.packageName.equals(changingLib.packageName)) { 7459 p = changingLib; 7460 } 7461 } 7462 if (p != null) { 7463 usesLibraryFiles.addAll(p.getAllCodePaths()); 7464 } 7465 } 7466 7467 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7468 PackageParser.Package changingLib) throws PackageManagerException { 7469 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7470 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7471 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7472 for (int i=0; i<N; i++) { 7473 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7474 if (file == null) { 7475 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7476 "Package " + pkg.packageName + " requires unavailable shared library " 7477 + pkg.usesLibraries.get(i) + "; failing!"); 7478 } 7479 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7480 } 7481 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7482 for (int i=0; i<N; i++) { 7483 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7484 if (file == null) { 7485 Slog.w(TAG, "Package " + pkg.packageName 7486 + " desires unavailable shared library " 7487 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7488 } else { 7489 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7490 } 7491 } 7492 N = usesLibraryFiles.size(); 7493 if (N > 0) { 7494 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7495 } else { 7496 pkg.usesLibraryFiles = null; 7497 } 7498 } 7499 } 7500 7501 private static boolean hasString(List<String> list, List<String> which) { 7502 if (list == null) { 7503 return false; 7504 } 7505 for (int i=list.size()-1; i>=0; i--) { 7506 for (int j=which.size()-1; j>=0; j--) { 7507 if (which.get(j).equals(list.get(i))) { 7508 return true; 7509 } 7510 } 7511 } 7512 return false; 7513 } 7514 7515 private void updateAllSharedLibrariesLPw() { 7516 for (PackageParser.Package pkg : mPackages.values()) { 7517 try { 7518 updateSharedLibrariesLPw(pkg, null); 7519 } catch (PackageManagerException e) { 7520 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7521 } 7522 } 7523 } 7524 7525 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7526 PackageParser.Package changingPkg) { 7527 ArrayList<PackageParser.Package> res = null; 7528 for (PackageParser.Package pkg : mPackages.values()) { 7529 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7530 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7531 if (res == null) { 7532 res = new ArrayList<PackageParser.Package>(); 7533 } 7534 res.add(pkg); 7535 try { 7536 updateSharedLibrariesLPw(pkg, changingPkg); 7537 } catch (PackageManagerException e) { 7538 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7539 } 7540 } 7541 } 7542 return res; 7543 } 7544 7545 /** 7546 * Derive the value of the {@code cpuAbiOverride} based on the provided 7547 * value and an optional stored value from the package settings. 7548 */ 7549 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7550 String cpuAbiOverride = null; 7551 7552 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7553 cpuAbiOverride = null; 7554 } else if (abiOverride != null) { 7555 cpuAbiOverride = abiOverride; 7556 } else if (settings != null) { 7557 cpuAbiOverride = settings.cpuAbiOverrideString; 7558 } 7559 7560 return cpuAbiOverride; 7561 } 7562 7563 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7564 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7565 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7566 // If the package has children and this is the first dive in the function 7567 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7568 // whether all packages (parent and children) would be successfully scanned 7569 // before the actual scan since scanning mutates internal state and we want 7570 // to atomically install the package and its children. 7571 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7572 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7573 scanFlags |= SCAN_CHECK_ONLY; 7574 } 7575 } else { 7576 scanFlags &= ~SCAN_CHECK_ONLY; 7577 } 7578 7579 final PackageParser.Package scannedPkg; 7580 try { 7581 // Scan the parent 7582 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7583 // Scan the children 7584 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7585 for (int i = 0; i < childCount; i++) { 7586 PackageParser.Package childPkg = pkg.childPackages.get(i); 7587 scanPackageLI(childPkg, parseFlags, 7588 scanFlags, currentTime, user); 7589 } 7590 } finally { 7591 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7592 } 7593 7594 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7595 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7596 } 7597 7598 return scannedPkg; 7599 } 7600 7601 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7602 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7603 boolean success = false; 7604 try { 7605 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7606 currentTime, user); 7607 success = true; 7608 return res; 7609 } finally { 7610 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7611 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7612 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7613 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7614 destroyAppProfilesLIF(pkg); 7615 } 7616 } 7617 } 7618 7619 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7620 int scanFlags, long currentTime, UserHandle user) 7621 throws PackageManagerException { 7622 final File scanFile = new File(pkg.codePath); 7623 if (pkg.applicationInfo.getCodePath() == null || 7624 pkg.applicationInfo.getResourcePath() == null) { 7625 // Bail out. The resource and code paths haven't been set. 7626 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7627 "Code and resource paths haven't been set correctly"); 7628 } 7629 7630 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7631 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7632 } else { 7633 // Only allow system apps to be flagged as core apps. 7634 pkg.coreApp = false; 7635 } 7636 7637 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7638 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7639 } 7640 7641 if (mCustomResolverComponentName != null && 7642 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7643 setUpCustomResolverActivity(pkg); 7644 } 7645 7646 if (pkg.packageName.equals("android")) { 7647 synchronized (mPackages) { 7648 if (mAndroidApplication != null) { 7649 Slog.w(TAG, "*************************************************"); 7650 Slog.w(TAG, "Core android package being redefined. Skipping."); 7651 Slog.w(TAG, " file=" + scanFile); 7652 Slog.w(TAG, "*************************************************"); 7653 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7654 "Core android package being redefined. Skipping."); 7655 } 7656 7657 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7658 // Set up information for our fall-back user intent resolution activity. 7659 mPlatformPackage = pkg; 7660 pkg.mVersionCode = mSdkVersion; 7661 mAndroidApplication = pkg.applicationInfo; 7662 7663 if (!mResolverReplaced) { 7664 mResolveActivity.applicationInfo = mAndroidApplication; 7665 mResolveActivity.name = ResolverActivity.class.getName(); 7666 mResolveActivity.packageName = mAndroidApplication.packageName; 7667 mResolveActivity.processName = "system:ui"; 7668 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7669 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7670 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7671 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7672 mResolveActivity.exported = true; 7673 mResolveActivity.enabled = true; 7674 mResolveInfo.activityInfo = mResolveActivity; 7675 mResolveInfo.priority = 0; 7676 mResolveInfo.preferredOrder = 0; 7677 mResolveInfo.match = 0; 7678 mResolveComponentName = new ComponentName( 7679 mAndroidApplication.packageName, mResolveActivity.name); 7680 } 7681 } 7682 } 7683 } 7684 7685 if (DEBUG_PACKAGE_SCANNING) { 7686 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7687 Log.d(TAG, "Scanning package " + pkg.packageName); 7688 } 7689 7690 synchronized (mPackages) { 7691 if (mPackages.containsKey(pkg.packageName) 7692 || mSharedLibraries.containsKey(pkg.packageName)) { 7693 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7694 "Application package " + pkg.packageName 7695 + " already installed. Skipping duplicate."); 7696 } 7697 7698 // If we're only installing presumed-existing packages, require that the 7699 // scanned APK is both already known and at the path previously established 7700 // for it. Previously unknown packages we pick up normally, but if we have an 7701 // a priori expectation about this package's install presence, enforce it. 7702 // With a singular exception for new system packages. When an OTA contains 7703 // a new system package, we allow the codepath to change from a system location 7704 // to the user-installed location. If we don't allow this change, any newer, 7705 // user-installed version of the application will be ignored. 7706 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7707 if (mExpectingBetter.containsKey(pkg.packageName)) { 7708 logCriticalInfo(Log.WARN, 7709 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7710 } else { 7711 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7712 if (known != null) { 7713 if (DEBUG_PACKAGE_SCANNING) { 7714 Log.d(TAG, "Examining " + pkg.codePath 7715 + " and requiring known paths " + known.codePathString 7716 + " & " + known.resourcePathString); 7717 } 7718 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7719 || !pkg.applicationInfo.getResourcePath().equals( 7720 known.resourcePathString)) { 7721 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7722 "Application package " + pkg.packageName 7723 + " found at " + pkg.applicationInfo.getCodePath() 7724 + " but expected at " + known.codePathString 7725 + "; ignoring."); 7726 } 7727 } 7728 } 7729 } 7730 } 7731 7732 // Initialize package source and resource directories 7733 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7734 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7735 7736 SharedUserSetting suid = null; 7737 PackageSetting pkgSetting = null; 7738 7739 if (!isSystemApp(pkg)) { 7740 // Only system apps can use these features. 7741 pkg.mOriginalPackages = null; 7742 pkg.mRealPackage = null; 7743 pkg.mAdoptPermissions = null; 7744 } 7745 7746 // Getting the package setting may have a side-effect, so if we 7747 // are only checking if scan would succeed, stash a copy of the 7748 // old setting to restore at the end. 7749 PackageSetting nonMutatedPs = null; 7750 7751 // writer 7752 synchronized (mPackages) { 7753 if (pkg.mSharedUserId != null) { 7754 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7755 if (suid == null) { 7756 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7757 "Creating application package " + pkg.packageName 7758 + " for shared user failed"); 7759 } 7760 if (DEBUG_PACKAGE_SCANNING) { 7761 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7762 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7763 + "): packages=" + suid.packages); 7764 } 7765 } 7766 7767 // Check if we are renaming from an original package name. 7768 PackageSetting origPackage = null; 7769 String realName = null; 7770 if (pkg.mOriginalPackages != null) { 7771 // This package may need to be renamed to a previously 7772 // installed name. Let's check on that... 7773 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7774 if (pkg.mOriginalPackages.contains(renamed)) { 7775 // This package had originally been installed as the 7776 // original name, and we have already taken care of 7777 // transitioning to the new one. Just update the new 7778 // one to continue using the old name. 7779 realName = pkg.mRealPackage; 7780 if (!pkg.packageName.equals(renamed)) { 7781 // Callers into this function may have already taken 7782 // care of renaming the package; only do it here if 7783 // it is not already done. 7784 pkg.setPackageName(renamed); 7785 } 7786 7787 } else { 7788 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7789 if ((origPackage = mSettings.peekPackageLPr( 7790 pkg.mOriginalPackages.get(i))) != null) { 7791 // We do have the package already installed under its 7792 // original name... should we use it? 7793 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7794 // New package is not compatible with original. 7795 origPackage = null; 7796 continue; 7797 } else if (origPackage.sharedUser != null) { 7798 // Make sure uid is compatible between packages. 7799 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7800 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7801 + " to " + pkg.packageName + ": old uid " 7802 + origPackage.sharedUser.name 7803 + " differs from " + pkg.mSharedUserId); 7804 origPackage = null; 7805 continue; 7806 } 7807 } else { 7808 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7809 + pkg.packageName + " to old name " + origPackage.name); 7810 } 7811 break; 7812 } 7813 } 7814 } 7815 } 7816 7817 if (mTransferedPackages.contains(pkg.packageName)) { 7818 Slog.w(TAG, "Package " + pkg.packageName 7819 + " was transferred to another, but its .apk remains"); 7820 } 7821 7822 // See comments in nonMutatedPs declaration 7823 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7824 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7825 if (foundPs != null) { 7826 nonMutatedPs = new PackageSetting(foundPs); 7827 } 7828 } 7829 7830 // Just create the setting, don't add it yet. For already existing packages 7831 // the PkgSetting exists already and doesn't have to be created. 7832 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7833 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7834 pkg.applicationInfo.primaryCpuAbi, 7835 pkg.applicationInfo.secondaryCpuAbi, 7836 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7837 user, false); 7838 if (pkgSetting == null) { 7839 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7840 "Creating application package " + pkg.packageName + " failed"); 7841 } 7842 7843 if (pkgSetting.origPackage != null) { 7844 // If we are first transitioning from an original package, 7845 // fix up the new package's name now. We need to do this after 7846 // looking up the package under its new name, so getPackageLP 7847 // can take care of fiddling things correctly. 7848 pkg.setPackageName(origPackage.name); 7849 7850 // File a report about this. 7851 String msg = "New package " + pkgSetting.realName 7852 + " renamed to replace old package " + pkgSetting.name; 7853 reportSettingsProblem(Log.WARN, msg); 7854 7855 // Make a note of it. 7856 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7857 mTransferedPackages.add(origPackage.name); 7858 } 7859 7860 // No longer need to retain this. 7861 pkgSetting.origPackage = null; 7862 } 7863 7864 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7865 // Make a note of it. 7866 mTransferedPackages.add(pkg.packageName); 7867 } 7868 7869 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7870 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7871 } 7872 7873 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7874 // Check all shared libraries and map to their actual file path. 7875 // We only do this here for apps not on a system dir, because those 7876 // are the only ones that can fail an install due to this. We 7877 // will take care of the system apps by updating all of their 7878 // library paths after the scan is done. 7879 updateSharedLibrariesLPw(pkg, null); 7880 } 7881 7882 if (mFoundPolicyFile) { 7883 SELinuxMMAC.assignSeinfoValue(pkg); 7884 } 7885 7886 pkg.applicationInfo.uid = pkgSetting.appId; 7887 pkg.mExtras = pkgSetting; 7888 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7889 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7890 // We just determined the app is signed correctly, so bring 7891 // over the latest parsed certs. 7892 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7893 } else { 7894 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7895 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7896 "Package " + pkg.packageName + " upgrade keys do not match the " 7897 + "previously installed version"); 7898 } else { 7899 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7900 String msg = "System package " + pkg.packageName 7901 + " signature changed; retaining data."; 7902 reportSettingsProblem(Log.WARN, msg); 7903 } 7904 } 7905 } else { 7906 try { 7907 verifySignaturesLP(pkgSetting, pkg); 7908 // We just determined the app is signed correctly, so bring 7909 // over the latest parsed certs. 7910 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7911 } catch (PackageManagerException e) { 7912 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7913 throw e; 7914 } 7915 // The signature has changed, but this package is in the system 7916 // image... let's recover! 7917 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7918 // However... if this package is part of a shared user, but it 7919 // doesn't match the signature of the shared user, let's fail. 7920 // What this means is that you can't change the signatures 7921 // associated with an overall shared user, which doesn't seem all 7922 // that unreasonable. 7923 if (pkgSetting.sharedUser != null) { 7924 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7925 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7926 throw new PackageManagerException( 7927 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7928 "Signature mismatch for shared user: " 7929 + pkgSetting.sharedUser); 7930 } 7931 } 7932 // File a report about this. 7933 String msg = "System package " + pkg.packageName 7934 + " signature changed; retaining data."; 7935 reportSettingsProblem(Log.WARN, msg); 7936 } 7937 } 7938 // Verify that this new package doesn't have any content providers 7939 // that conflict with existing packages. Only do this if the 7940 // package isn't already installed, since we don't want to break 7941 // things that are installed. 7942 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7943 final int N = pkg.providers.size(); 7944 int i; 7945 for (i=0; i<N; i++) { 7946 PackageParser.Provider p = pkg.providers.get(i); 7947 if (p.info.authority != null) { 7948 String names[] = p.info.authority.split(";"); 7949 for (int j = 0; j < names.length; j++) { 7950 if (mProvidersByAuthority.containsKey(names[j])) { 7951 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7952 final String otherPackageName = 7953 ((other != null && other.getComponentName() != null) ? 7954 other.getComponentName().getPackageName() : "?"); 7955 throw new PackageManagerException( 7956 INSTALL_FAILED_CONFLICTING_PROVIDER, 7957 "Can't install because provider name " + names[j] 7958 + " (in package " + pkg.applicationInfo.packageName 7959 + ") is already used by " + otherPackageName); 7960 } 7961 } 7962 } 7963 } 7964 } 7965 7966 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7967 // This package wants to adopt ownership of permissions from 7968 // another package. 7969 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7970 final String origName = pkg.mAdoptPermissions.get(i); 7971 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7972 if (orig != null) { 7973 if (verifyPackageUpdateLPr(orig, pkg)) { 7974 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7975 + pkg.packageName); 7976 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7977 } 7978 } 7979 } 7980 } 7981 } 7982 7983 final String pkgName = pkg.packageName; 7984 7985 final long scanFileTime = scanFile.lastModified(); 7986 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7987 pkg.applicationInfo.processName = fixProcessName( 7988 pkg.applicationInfo.packageName, 7989 pkg.applicationInfo.processName, 7990 pkg.applicationInfo.uid); 7991 7992 if (pkg != mPlatformPackage) { 7993 // Get all of our default paths setup 7994 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7995 } 7996 7997 final String path = scanFile.getPath(); 7998 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7999 8000 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8001 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8002 8003 // Some system apps still use directory structure for native libraries 8004 // in which case we might end up not detecting abi solely based on apk 8005 // structure. Try to detect abi based on directory structure. 8006 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8007 pkg.applicationInfo.primaryCpuAbi == null) { 8008 setBundledAppAbisAndRoots(pkg, pkgSetting); 8009 setNativeLibraryPaths(pkg); 8010 } 8011 8012 } else { 8013 if ((scanFlags & SCAN_MOVE) != 0) { 8014 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8015 // but we already have this packages package info in the PackageSetting. We just 8016 // use that and derive the native library path based on the new codepath. 8017 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8018 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8019 } 8020 8021 // Set native library paths again. For moves, the path will be updated based on the 8022 // ABIs we've determined above. For non-moves, the path will be updated based on the 8023 // ABIs we determined during compilation, but the path will depend on the final 8024 // package path (after the rename away from the stage path). 8025 setNativeLibraryPaths(pkg); 8026 } 8027 8028 // This is a special case for the "system" package, where the ABI is 8029 // dictated by the zygote configuration (and init.rc). We should keep track 8030 // of this ABI so that we can deal with "normal" applications that run under 8031 // the same UID correctly. 8032 if (mPlatformPackage == pkg) { 8033 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8034 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8035 } 8036 8037 // If there's a mismatch between the abi-override in the package setting 8038 // and the abiOverride specified for the install. Warn about this because we 8039 // would've already compiled the app without taking the package setting into 8040 // account. 8041 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8042 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8043 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8044 " for package " + pkg.packageName); 8045 } 8046 } 8047 8048 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8049 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8050 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8051 8052 // Copy the derived override back to the parsed package, so that we can 8053 // update the package settings accordingly. 8054 pkg.cpuAbiOverride = cpuAbiOverride; 8055 8056 if (DEBUG_ABI_SELECTION) { 8057 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8058 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8059 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8060 } 8061 8062 // Push the derived path down into PackageSettings so we know what to 8063 // clean up at uninstall time. 8064 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8065 8066 if (DEBUG_ABI_SELECTION) { 8067 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8068 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8069 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8070 } 8071 8072 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8073 // We don't do this here during boot because we can do it all 8074 // at once after scanning all existing packages. 8075 // 8076 // We also do this *before* we perform dexopt on this package, so that 8077 // we can avoid redundant dexopts, and also to make sure we've got the 8078 // code and package path correct. 8079 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8080 pkg, true /* boot complete */); 8081 } 8082 8083 if (mFactoryTest && pkg.requestedPermissions.contains( 8084 android.Manifest.permission.FACTORY_TEST)) { 8085 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8086 } 8087 8088 ArrayList<PackageParser.Package> clientLibPkgs = null; 8089 8090 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8091 if (nonMutatedPs != null) { 8092 synchronized (mPackages) { 8093 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8094 } 8095 } 8096 return pkg; 8097 } 8098 8099 // Only privileged apps and updated privileged apps can add child packages. 8100 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8101 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 8102 throw new PackageManagerException("Only privileged apps and updated " 8103 + "privileged apps can add child packages. Ignoring package " 8104 + pkg.packageName); 8105 } 8106 final int childCount = pkg.childPackages.size(); 8107 for (int i = 0; i < childCount; i++) { 8108 PackageParser.Package childPkg = pkg.childPackages.get(i); 8109 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8110 childPkg.packageName)) { 8111 throw new PackageManagerException("Cannot override a child package of " 8112 + "another disabled system app. Ignoring package " + pkg.packageName); 8113 } 8114 } 8115 } 8116 8117 // writer 8118 synchronized (mPackages) { 8119 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8120 // Only system apps can add new shared libraries. 8121 if (pkg.libraryNames != null) { 8122 for (int i=0; i<pkg.libraryNames.size(); i++) { 8123 String name = pkg.libraryNames.get(i); 8124 boolean allowed = false; 8125 if (pkg.isUpdatedSystemApp()) { 8126 // New library entries can only be added through the 8127 // system image. This is important to get rid of a lot 8128 // of nasty edge cases: for example if we allowed a non- 8129 // system update of the app to add a library, then uninstalling 8130 // the update would make the library go away, and assumptions 8131 // we made such as through app install filtering would now 8132 // have allowed apps on the device which aren't compatible 8133 // with it. Better to just have the restriction here, be 8134 // conservative, and create many fewer cases that can negatively 8135 // impact the user experience. 8136 final PackageSetting sysPs = mSettings 8137 .getDisabledSystemPkgLPr(pkg.packageName); 8138 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8139 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8140 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8141 allowed = true; 8142 break; 8143 } 8144 } 8145 } 8146 } else { 8147 allowed = true; 8148 } 8149 if (allowed) { 8150 if (!mSharedLibraries.containsKey(name)) { 8151 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8152 } else if (!name.equals(pkg.packageName)) { 8153 Slog.w(TAG, "Package " + pkg.packageName + " library " 8154 + name + " already exists; skipping"); 8155 } 8156 } else { 8157 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8158 + name + " that is not declared on system image; skipping"); 8159 } 8160 } 8161 if ((scanFlags & SCAN_BOOTING) == 0) { 8162 // If we are not booting, we need to update any applications 8163 // that are clients of our shared library. If we are booting, 8164 // this will all be done once the scan is complete. 8165 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8166 } 8167 } 8168 } 8169 } 8170 8171 if ((scanFlags & SCAN_BOOTING) != 0) { 8172 // No apps can run during boot scan, so they don't need to be frozen 8173 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8174 // Caller asked to not kill app, so it's probably not frozen 8175 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8176 // Caller asked us to ignore frozen check for some reason; they 8177 // probably didn't know the package name 8178 } else { 8179 // We're doing major surgery on this package, so it better be frozen 8180 // right now to keep it from launching 8181 checkPackageFrozen(pkgName); 8182 } 8183 8184 // Also need to kill any apps that are dependent on the library. 8185 if (clientLibPkgs != null) { 8186 for (int i=0; i<clientLibPkgs.size(); i++) { 8187 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8188 killApplication(clientPkg.applicationInfo.packageName, 8189 clientPkg.applicationInfo.uid, "update lib"); 8190 } 8191 } 8192 8193 // Make sure we're not adding any bogus keyset info 8194 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8195 ksms.assertScannedPackageValid(pkg); 8196 8197 // writer 8198 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8199 8200 boolean createIdmapFailed = false; 8201 synchronized (mPackages) { 8202 // We don't expect installation to fail beyond this point 8203 8204 // Add the new setting to mSettings 8205 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8206 // Add the new setting to mPackages 8207 mPackages.put(pkg.applicationInfo.packageName, pkg); 8208 // Make sure we don't accidentally delete its data. 8209 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8210 while (iter.hasNext()) { 8211 PackageCleanItem item = iter.next(); 8212 if (pkgName.equals(item.packageName)) { 8213 iter.remove(); 8214 } 8215 } 8216 8217 // Take care of first install / last update times. 8218 if (currentTime != 0) { 8219 if (pkgSetting.firstInstallTime == 0) { 8220 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8221 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8222 pkgSetting.lastUpdateTime = currentTime; 8223 } 8224 } else if (pkgSetting.firstInstallTime == 0) { 8225 // We need *something*. Take time time stamp of the file. 8226 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8227 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8228 if (scanFileTime != pkgSetting.timeStamp) { 8229 // A package on the system image has changed; consider this 8230 // to be an update. 8231 pkgSetting.lastUpdateTime = scanFileTime; 8232 } 8233 } 8234 8235 // Add the package's KeySets to the global KeySetManagerService 8236 ksms.addScannedPackageLPw(pkg); 8237 8238 int N = pkg.providers.size(); 8239 StringBuilder r = null; 8240 int i; 8241 for (i=0; i<N; i++) { 8242 PackageParser.Provider p = pkg.providers.get(i); 8243 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8244 p.info.processName, pkg.applicationInfo.uid); 8245 mProviders.addProvider(p); 8246 p.syncable = p.info.isSyncable; 8247 if (p.info.authority != null) { 8248 String names[] = p.info.authority.split(";"); 8249 p.info.authority = null; 8250 for (int j = 0; j < names.length; j++) { 8251 if (j == 1 && p.syncable) { 8252 // We only want the first authority for a provider to possibly be 8253 // syncable, so if we already added this provider using a different 8254 // authority clear the syncable flag. We copy the provider before 8255 // changing it because the mProviders object contains a reference 8256 // to a provider that we don't want to change. 8257 // Only do this for the second authority since the resulting provider 8258 // object can be the same for all future authorities for this provider. 8259 p = new PackageParser.Provider(p); 8260 p.syncable = false; 8261 } 8262 if (!mProvidersByAuthority.containsKey(names[j])) { 8263 mProvidersByAuthority.put(names[j], p); 8264 if (p.info.authority == null) { 8265 p.info.authority = names[j]; 8266 } else { 8267 p.info.authority = p.info.authority + ";" + names[j]; 8268 } 8269 if (DEBUG_PACKAGE_SCANNING) { 8270 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8271 Log.d(TAG, "Registered content provider: " + names[j] 8272 + ", className = " + p.info.name + ", isSyncable = " 8273 + p.info.isSyncable); 8274 } 8275 } else { 8276 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8277 Slog.w(TAG, "Skipping provider name " + names[j] + 8278 " (in package " + pkg.applicationInfo.packageName + 8279 "): name already used by " 8280 + ((other != null && other.getComponentName() != null) 8281 ? other.getComponentName().getPackageName() : "?")); 8282 } 8283 } 8284 } 8285 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8286 if (r == null) { 8287 r = new StringBuilder(256); 8288 } else { 8289 r.append(' '); 8290 } 8291 r.append(p.info.name); 8292 } 8293 } 8294 if (r != null) { 8295 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8296 } 8297 8298 N = pkg.services.size(); 8299 r = null; 8300 for (i=0; i<N; i++) { 8301 PackageParser.Service s = pkg.services.get(i); 8302 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8303 s.info.processName, pkg.applicationInfo.uid); 8304 mServices.addService(s); 8305 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8306 if (r == null) { 8307 r = new StringBuilder(256); 8308 } else { 8309 r.append(' '); 8310 } 8311 r.append(s.info.name); 8312 } 8313 } 8314 if (r != null) { 8315 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8316 } 8317 8318 N = pkg.receivers.size(); 8319 r = null; 8320 for (i=0; i<N; i++) { 8321 PackageParser.Activity a = pkg.receivers.get(i); 8322 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8323 a.info.processName, pkg.applicationInfo.uid); 8324 mReceivers.addActivity(a, "receiver"); 8325 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8326 if (r == null) { 8327 r = new StringBuilder(256); 8328 } else { 8329 r.append(' '); 8330 } 8331 r.append(a.info.name); 8332 } 8333 } 8334 if (r != null) { 8335 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8336 } 8337 8338 N = pkg.activities.size(); 8339 r = null; 8340 for (i=0; i<N; i++) { 8341 PackageParser.Activity a = pkg.activities.get(i); 8342 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8343 a.info.processName, pkg.applicationInfo.uid); 8344 mActivities.addActivity(a, "activity"); 8345 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8346 if (r == null) { 8347 r = new StringBuilder(256); 8348 } else { 8349 r.append(' '); 8350 } 8351 r.append(a.info.name); 8352 } 8353 } 8354 if (r != null) { 8355 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8356 } 8357 8358 N = pkg.permissionGroups.size(); 8359 r = null; 8360 for (i=0; i<N; i++) { 8361 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8362 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8363 if (cur == null) { 8364 mPermissionGroups.put(pg.info.name, pg); 8365 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8366 if (r == null) { 8367 r = new StringBuilder(256); 8368 } else { 8369 r.append(' '); 8370 } 8371 r.append(pg.info.name); 8372 } 8373 } else { 8374 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8375 + pg.info.packageName + " ignored: original from " 8376 + cur.info.packageName); 8377 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8378 if (r == null) { 8379 r = new StringBuilder(256); 8380 } else { 8381 r.append(' '); 8382 } 8383 r.append("DUP:"); 8384 r.append(pg.info.name); 8385 } 8386 } 8387 } 8388 if (r != null) { 8389 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8390 } 8391 8392 N = pkg.permissions.size(); 8393 r = null; 8394 for (i=0; i<N; i++) { 8395 PackageParser.Permission p = pkg.permissions.get(i); 8396 8397 // Assume by default that we did not install this permission into the system. 8398 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8399 8400 // Now that permission groups have a special meaning, we ignore permission 8401 // groups for legacy apps to prevent unexpected behavior. In particular, 8402 // permissions for one app being granted to someone just becase they happen 8403 // to be in a group defined by another app (before this had no implications). 8404 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8405 p.group = mPermissionGroups.get(p.info.group); 8406 // Warn for a permission in an unknown group. 8407 if (p.info.group != null && p.group == null) { 8408 Slog.w(TAG, "Permission " + p.info.name + " from package " 8409 + p.info.packageName + " in an unknown group " + p.info.group); 8410 } 8411 } 8412 8413 ArrayMap<String, BasePermission> permissionMap = 8414 p.tree ? mSettings.mPermissionTrees 8415 : mSettings.mPermissions; 8416 BasePermission bp = permissionMap.get(p.info.name); 8417 8418 // Allow system apps to redefine non-system permissions 8419 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8420 final boolean currentOwnerIsSystem = (bp.perm != null 8421 && isSystemApp(bp.perm.owner)); 8422 if (isSystemApp(p.owner)) { 8423 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8424 // It's a built-in permission and no owner, take ownership now 8425 bp.packageSetting = pkgSetting; 8426 bp.perm = p; 8427 bp.uid = pkg.applicationInfo.uid; 8428 bp.sourcePackage = p.info.packageName; 8429 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8430 } else if (!currentOwnerIsSystem) { 8431 String msg = "New decl " + p.owner + " of permission " 8432 + p.info.name + " is system; overriding " + bp.sourcePackage; 8433 reportSettingsProblem(Log.WARN, msg); 8434 bp = null; 8435 } 8436 } 8437 } 8438 8439 if (bp == null) { 8440 bp = new BasePermission(p.info.name, p.info.packageName, 8441 BasePermission.TYPE_NORMAL); 8442 permissionMap.put(p.info.name, bp); 8443 } 8444 8445 if (bp.perm == null) { 8446 if (bp.sourcePackage == null 8447 || bp.sourcePackage.equals(p.info.packageName)) { 8448 BasePermission tree = findPermissionTreeLP(p.info.name); 8449 if (tree == null 8450 || tree.sourcePackage.equals(p.info.packageName)) { 8451 bp.packageSetting = pkgSetting; 8452 bp.perm = p; 8453 bp.uid = pkg.applicationInfo.uid; 8454 bp.sourcePackage = p.info.packageName; 8455 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8456 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8457 if (r == null) { 8458 r = new StringBuilder(256); 8459 } else { 8460 r.append(' '); 8461 } 8462 r.append(p.info.name); 8463 } 8464 } else { 8465 Slog.w(TAG, "Permission " + p.info.name + " from package " 8466 + p.info.packageName + " ignored: base tree " 8467 + tree.name + " is from package " 8468 + tree.sourcePackage); 8469 } 8470 } else { 8471 Slog.w(TAG, "Permission " + p.info.name + " from package " 8472 + p.info.packageName + " ignored: original from " 8473 + bp.sourcePackage); 8474 } 8475 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8476 if (r == null) { 8477 r = new StringBuilder(256); 8478 } else { 8479 r.append(' '); 8480 } 8481 r.append("DUP:"); 8482 r.append(p.info.name); 8483 } 8484 if (bp.perm == p) { 8485 bp.protectionLevel = p.info.protectionLevel; 8486 } 8487 } 8488 8489 if (r != null) { 8490 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8491 } 8492 8493 N = pkg.instrumentation.size(); 8494 r = null; 8495 for (i=0; i<N; i++) { 8496 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8497 a.info.packageName = pkg.applicationInfo.packageName; 8498 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8499 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8500 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8501 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8502 a.info.dataDir = pkg.applicationInfo.dataDir; 8503 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8504 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8505 8506 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8507 // need other information about the application, like the ABI and what not ? 8508 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8509 mInstrumentation.put(a.getComponentName(), a); 8510 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8511 if (r == null) { 8512 r = new StringBuilder(256); 8513 } else { 8514 r.append(' '); 8515 } 8516 r.append(a.info.name); 8517 } 8518 } 8519 if (r != null) { 8520 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8521 } 8522 8523 if (pkg.protectedBroadcasts != null) { 8524 N = pkg.protectedBroadcasts.size(); 8525 for (i=0; i<N; i++) { 8526 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8527 } 8528 } 8529 8530 pkgSetting.setTimeStamp(scanFileTime); 8531 8532 // Create idmap files for pairs of (packages, overlay packages). 8533 // Note: "android", ie framework-res.apk, is handled by native layers. 8534 if (pkg.mOverlayTarget != null) { 8535 // This is an overlay package. 8536 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8537 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8538 mOverlays.put(pkg.mOverlayTarget, 8539 new ArrayMap<String, PackageParser.Package>()); 8540 } 8541 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8542 map.put(pkg.packageName, pkg); 8543 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8544 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8545 createIdmapFailed = true; 8546 } 8547 } 8548 } else if (mOverlays.containsKey(pkg.packageName) && 8549 !pkg.packageName.equals("android")) { 8550 // This is a regular package, with one or more known overlay packages. 8551 createIdmapsForPackageLI(pkg); 8552 } 8553 } 8554 8555 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8556 8557 if (createIdmapFailed) { 8558 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8559 "scanPackageLI failed to createIdmap"); 8560 } 8561 return pkg; 8562 } 8563 8564 /** 8565 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8566 * is derived purely on the basis of the contents of {@code scanFile} and 8567 * {@code cpuAbiOverride}. 8568 * 8569 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8570 */ 8571 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8572 String cpuAbiOverride, boolean extractLibs) 8573 throws PackageManagerException { 8574 // TODO: We can probably be smarter about this stuff. For installed apps, 8575 // we can calculate this information at install time once and for all. For 8576 // system apps, we can probably assume that this information doesn't change 8577 // after the first boot scan. As things stand, we do lots of unnecessary work. 8578 8579 // Give ourselves some initial paths; we'll come back for another 8580 // pass once we've determined ABI below. 8581 setNativeLibraryPaths(pkg); 8582 8583 // We would never need to extract libs for forward-locked and external packages, 8584 // since the container service will do it for us. We shouldn't attempt to 8585 // extract libs from system app when it was not updated. 8586 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8587 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8588 extractLibs = false; 8589 } 8590 8591 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8592 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8593 8594 NativeLibraryHelper.Handle handle = null; 8595 try { 8596 handle = NativeLibraryHelper.Handle.create(pkg); 8597 // TODO(multiArch): This can be null for apps that didn't go through the 8598 // usual installation process. We can calculate it again, like we 8599 // do during install time. 8600 // 8601 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8602 // unnecessary. 8603 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8604 8605 // Null out the abis so that they can be recalculated. 8606 pkg.applicationInfo.primaryCpuAbi = null; 8607 pkg.applicationInfo.secondaryCpuAbi = null; 8608 if (isMultiArch(pkg.applicationInfo)) { 8609 // Warn if we've set an abiOverride for multi-lib packages.. 8610 // By definition, we need to copy both 32 and 64 bit libraries for 8611 // such packages. 8612 if (pkg.cpuAbiOverride != null 8613 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8614 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8615 } 8616 8617 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8618 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8619 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8620 if (extractLibs) { 8621 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8622 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8623 useIsaSpecificSubdirs); 8624 } else { 8625 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8626 } 8627 } 8628 8629 maybeThrowExceptionForMultiArchCopy( 8630 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8631 8632 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8633 if (extractLibs) { 8634 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8635 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8636 useIsaSpecificSubdirs); 8637 } else { 8638 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8639 } 8640 } 8641 8642 maybeThrowExceptionForMultiArchCopy( 8643 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8644 8645 if (abi64 >= 0) { 8646 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8647 } 8648 8649 if (abi32 >= 0) { 8650 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8651 if (abi64 >= 0) { 8652 if (pkg.use32bitAbi) { 8653 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8654 pkg.applicationInfo.primaryCpuAbi = abi; 8655 } else { 8656 pkg.applicationInfo.secondaryCpuAbi = abi; 8657 } 8658 } else { 8659 pkg.applicationInfo.primaryCpuAbi = abi; 8660 } 8661 } 8662 8663 } else { 8664 String[] abiList = (cpuAbiOverride != null) ? 8665 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8666 8667 // Enable gross and lame hacks for apps that are built with old 8668 // SDK tools. We must scan their APKs for renderscript bitcode and 8669 // not launch them if it's present. Don't bother checking on devices 8670 // that don't have 64 bit support. 8671 boolean needsRenderScriptOverride = false; 8672 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8673 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8674 abiList = Build.SUPPORTED_32_BIT_ABIS; 8675 needsRenderScriptOverride = true; 8676 } 8677 8678 final int copyRet; 8679 if (extractLibs) { 8680 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8681 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8682 } else { 8683 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8684 } 8685 8686 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8687 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8688 "Error unpackaging native libs for app, errorCode=" + copyRet); 8689 } 8690 8691 if (copyRet >= 0) { 8692 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8693 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8694 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8695 } else if (needsRenderScriptOverride) { 8696 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8697 } 8698 } 8699 } catch (IOException ioe) { 8700 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8701 } finally { 8702 IoUtils.closeQuietly(handle); 8703 } 8704 8705 // Now that we've calculated the ABIs and determined if it's an internal app, 8706 // we will go ahead and populate the nativeLibraryPath. 8707 setNativeLibraryPaths(pkg); 8708 } 8709 8710 /** 8711 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8712 * i.e, so that all packages can be run inside a single process if required. 8713 * 8714 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8715 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8716 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8717 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8718 * updating a package that belongs to a shared user. 8719 * 8720 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8721 * adds unnecessary complexity. 8722 */ 8723 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8724 PackageParser.Package scannedPackage, boolean bootComplete) { 8725 String requiredInstructionSet = null; 8726 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8727 requiredInstructionSet = VMRuntime.getInstructionSet( 8728 scannedPackage.applicationInfo.primaryCpuAbi); 8729 } 8730 8731 PackageSetting requirer = null; 8732 for (PackageSetting ps : packagesForUser) { 8733 // If packagesForUser contains scannedPackage, we skip it. This will happen 8734 // when scannedPackage is an update of an existing package. Without this check, 8735 // we will never be able to change the ABI of any package belonging to a shared 8736 // user, even if it's compatible with other packages. 8737 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8738 if (ps.primaryCpuAbiString == null) { 8739 continue; 8740 } 8741 8742 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8743 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8744 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8745 // this but there's not much we can do. 8746 String errorMessage = "Instruction set mismatch, " 8747 + ((requirer == null) ? "[caller]" : requirer) 8748 + " requires " + requiredInstructionSet + " whereas " + ps 8749 + " requires " + instructionSet; 8750 Slog.w(TAG, errorMessage); 8751 } 8752 8753 if (requiredInstructionSet == null) { 8754 requiredInstructionSet = instructionSet; 8755 requirer = ps; 8756 } 8757 } 8758 } 8759 8760 if (requiredInstructionSet != null) { 8761 String adjustedAbi; 8762 if (requirer != null) { 8763 // requirer != null implies that either scannedPackage was null or that scannedPackage 8764 // did not require an ABI, in which case we have to adjust scannedPackage to match 8765 // the ABI of the set (which is the same as requirer's ABI) 8766 adjustedAbi = requirer.primaryCpuAbiString; 8767 if (scannedPackage != null) { 8768 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8769 } 8770 } else { 8771 // requirer == null implies that we're updating all ABIs in the set to 8772 // match scannedPackage. 8773 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8774 } 8775 8776 for (PackageSetting ps : packagesForUser) { 8777 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8778 if (ps.primaryCpuAbiString != null) { 8779 continue; 8780 } 8781 8782 ps.primaryCpuAbiString = adjustedAbi; 8783 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8784 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8785 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8786 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8787 + " (requirer=" 8788 + (requirer == null ? "null" : requirer.pkg.packageName) 8789 + ", scannedPackage=" 8790 + (scannedPackage != null ? scannedPackage.packageName : "null") 8791 + ")"); 8792 try { 8793 mInstaller.rmdex(ps.codePathString, 8794 getDexCodeInstructionSet(getPreferredInstructionSet())); 8795 } catch (InstallerException ignored) { 8796 } 8797 } 8798 } 8799 } 8800 } 8801 } 8802 8803 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8804 synchronized (mPackages) { 8805 mResolverReplaced = true; 8806 // Set up information for custom user intent resolution activity. 8807 mResolveActivity.applicationInfo = pkg.applicationInfo; 8808 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8809 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8810 mResolveActivity.processName = pkg.applicationInfo.packageName; 8811 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8812 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8813 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8814 mResolveActivity.theme = 0; 8815 mResolveActivity.exported = true; 8816 mResolveActivity.enabled = true; 8817 mResolveInfo.activityInfo = mResolveActivity; 8818 mResolveInfo.priority = 0; 8819 mResolveInfo.preferredOrder = 0; 8820 mResolveInfo.match = 0; 8821 mResolveComponentName = mCustomResolverComponentName; 8822 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8823 mResolveComponentName); 8824 } 8825 } 8826 8827 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8828 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8829 8830 // Set up information for ephemeral installer activity 8831 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8832 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8833 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8834 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8835 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8836 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8837 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8838 mEphemeralInstallerActivity.theme = 0; 8839 mEphemeralInstallerActivity.exported = true; 8840 mEphemeralInstallerActivity.enabled = true; 8841 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8842 mEphemeralInstallerInfo.priority = 0; 8843 mEphemeralInstallerInfo.preferredOrder = 0; 8844 mEphemeralInstallerInfo.match = 0; 8845 8846 if (DEBUG_EPHEMERAL) { 8847 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8848 } 8849 } 8850 8851 private static String calculateBundledApkRoot(final String codePathString) { 8852 final File codePath = new File(codePathString); 8853 final File codeRoot; 8854 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8855 codeRoot = Environment.getRootDirectory(); 8856 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8857 codeRoot = Environment.getOemDirectory(); 8858 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8859 codeRoot = Environment.getVendorDirectory(); 8860 } else { 8861 // Unrecognized code path; take its top real segment as the apk root: 8862 // e.g. /something/app/blah.apk => /something 8863 try { 8864 File f = codePath.getCanonicalFile(); 8865 File parent = f.getParentFile(); // non-null because codePath is a file 8866 File tmp; 8867 while ((tmp = parent.getParentFile()) != null) { 8868 f = parent; 8869 parent = tmp; 8870 } 8871 codeRoot = f; 8872 Slog.w(TAG, "Unrecognized code path " 8873 + codePath + " - using " + codeRoot); 8874 } catch (IOException e) { 8875 // Can't canonicalize the code path -- shenanigans? 8876 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8877 return Environment.getRootDirectory().getPath(); 8878 } 8879 } 8880 return codeRoot.getPath(); 8881 } 8882 8883 /** 8884 * Derive and set the location of native libraries for the given package, 8885 * which varies depending on where and how the package was installed. 8886 */ 8887 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8888 final ApplicationInfo info = pkg.applicationInfo; 8889 final String codePath = pkg.codePath; 8890 final File codeFile = new File(codePath); 8891 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8892 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8893 8894 info.nativeLibraryRootDir = null; 8895 info.nativeLibraryRootRequiresIsa = false; 8896 info.nativeLibraryDir = null; 8897 info.secondaryNativeLibraryDir = null; 8898 8899 if (isApkFile(codeFile)) { 8900 // Monolithic install 8901 if (bundledApp) { 8902 // If "/system/lib64/apkname" exists, assume that is the per-package 8903 // native library directory to use; otherwise use "/system/lib/apkname". 8904 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8905 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8906 getPrimaryInstructionSet(info)); 8907 8908 // This is a bundled system app so choose the path based on the ABI. 8909 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8910 // is just the default path. 8911 final String apkName = deriveCodePathName(codePath); 8912 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8913 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8914 apkName).getAbsolutePath(); 8915 8916 if (info.secondaryCpuAbi != null) { 8917 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8918 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8919 secondaryLibDir, apkName).getAbsolutePath(); 8920 } 8921 } else if (asecApp) { 8922 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8923 .getAbsolutePath(); 8924 } else { 8925 final String apkName = deriveCodePathName(codePath); 8926 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8927 .getAbsolutePath(); 8928 } 8929 8930 info.nativeLibraryRootRequiresIsa = false; 8931 info.nativeLibraryDir = info.nativeLibraryRootDir; 8932 } else { 8933 // Cluster install 8934 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8935 info.nativeLibraryRootRequiresIsa = true; 8936 8937 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8938 getPrimaryInstructionSet(info)).getAbsolutePath(); 8939 8940 if (info.secondaryCpuAbi != null) { 8941 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8942 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8943 } 8944 } 8945 } 8946 8947 /** 8948 * Calculate the abis and roots for a bundled app. These can uniquely 8949 * be determined from the contents of the system partition, i.e whether 8950 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8951 * of this information, and instead assume that the system was built 8952 * sensibly. 8953 */ 8954 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8955 PackageSetting pkgSetting) { 8956 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8957 8958 // If "/system/lib64/apkname" exists, assume that is the per-package 8959 // native library directory to use; otherwise use "/system/lib/apkname". 8960 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8961 setBundledAppAbi(pkg, apkRoot, apkName); 8962 // pkgSetting might be null during rescan following uninstall of updates 8963 // to a bundled app, so accommodate that possibility. The settings in 8964 // that case will be established later from the parsed package. 8965 // 8966 // If the settings aren't null, sync them up with what we've just derived. 8967 // note that apkRoot isn't stored in the package settings. 8968 if (pkgSetting != null) { 8969 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8970 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8971 } 8972 } 8973 8974 /** 8975 * Deduces the ABI of a bundled app and sets the relevant fields on the 8976 * parsed pkg object. 8977 * 8978 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8979 * under which system libraries are installed. 8980 * @param apkName the name of the installed package. 8981 */ 8982 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8983 final File codeFile = new File(pkg.codePath); 8984 8985 final boolean has64BitLibs; 8986 final boolean has32BitLibs; 8987 if (isApkFile(codeFile)) { 8988 // Monolithic install 8989 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8990 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8991 } else { 8992 // Cluster install 8993 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8994 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8995 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8996 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8997 has64BitLibs = (new File(rootDir, isa)).exists(); 8998 } else { 8999 has64BitLibs = false; 9000 } 9001 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9002 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9003 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9004 has32BitLibs = (new File(rootDir, isa)).exists(); 9005 } else { 9006 has32BitLibs = false; 9007 } 9008 } 9009 9010 if (has64BitLibs && !has32BitLibs) { 9011 // The package has 64 bit libs, but not 32 bit libs. Its primary 9012 // ABI should be 64 bit. We can safely assume here that the bundled 9013 // native libraries correspond to the most preferred ABI in the list. 9014 9015 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9016 pkg.applicationInfo.secondaryCpuAbi = null; 9017 } else if (has32BitLibs && !has64BitLibs) { 9018 // The package has 32 bit libs but not 64 bit libs. Its primary 9019 // ABI should be 32 bit. 9020 9021 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9022 pkg.applicationInfo.secondaryCpuAbi = null; 9023 } else if (has32BitLibs && has64BitLibs) { 9024 // The application has both 64 and 32 bit bundled libraries. We check 9025 // here that the app declares multiArch support, and warn if it doesn't. 9026 // 9027 // We will be lenient here and record both ABIs. The primary will be the 9028 // ABI that's higher on the list, i.e, a device that's configured to prefer 9029 // 64 bit apps will see a 64 bit primary ABI, 9030 9031 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9032 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9033 } 9034 9035 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9036 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9037 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9038 } else { 9039 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9040 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9041 } 9042 } else { 9043 pkg.applicationInfo.primaryCpuAbi = null; 9044 pkg.applicationInfo.secondaryCpuAbi = null; 9045 } 9046 } 9047 9048 private void killApplication(String pkgName, int appId, String reason) { 9049 // Request the ActivityManager to kill the process(only for existing packages) 9050 // so that we do not end up in a confused state while the user is still using the older 9051 // version of the application while the new one gets installed. 9052 final long token = Binder.clearCallingIdentity(); 9053 try { 9054 IActivityManager am = ActivityManagerNative.getDefault(); 9055 if (am != null) { 9056 try { 9057 am.killApplicationWithAppId(pkgName, appId, reason); 9058 } catch (RemoteException e) { 9059 } 9060 } 9061 } finally { 9062 Binder.restoreCallingIdentity(token); 9063 } 9064 } 9065 9066 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9067 // Remove the parent package setting 9068 PackageSetting ps = (PackageSetting) pkg.mExtras; 9069 if (ps != null) { 9070 removePackageLI(ps, chatty); 9071 } 9072 // Remove the child package setting 9073 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9074 for (int i = 0; i < childCount; i++) { 9075 PackageParser.Package childPkg = pkg.childPackages.get(i); 9076 ps = (PackageSetting) childPkg.mExtras; 9077 if (ps != null) { 9078 removePackageLI(ps, chatty); 9079 } 9080 } 9081 } 9082 9083 void removePackageLI(PackageSetting ps, boolean chatty) { 9084 if (DEBUG_INSTALL) { 9085 if (chatty) 9086 Log.d(TAG, "Removing package " + ps.name); 9087 } 9088 9089 // writer 9090 synchronized (mPackages) { 9091 mPackages.remove(ps.name); 9092 final PackageParser.Package pkg = ps.pkg; 9093 if (pkg != null) { 9094 cleanPackageDataStructuresLILPw(pkg, chatty); 9095 } 9096 } 9097 } 9098 9099 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9100 if (DEBUG_INSTALL) { 9101 if (chatty) 9102 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9103 } 9104 9105 // writer 9106 synchronized (mPackages) { 9107 // Remove the parent package 9108 mPackages.remove(pkg.applicationInfo.packageName); 9109 cleanPackageDataStructuresLILPw(pkg, chatty); 9110 9111 // Remove the child packages 9112 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9113 for (int i = 0; i < childCount; i++) { 9114 PackageParser.Package childPkg = pkg.childPackages.get(i); 9115 mPackages.remove(childPkg.applicationInfo.packageName); 9116 cleanPackageDataStructuresLILPw(childPkg, chatty); 9117 } 9118 } 9119 } 9120 9121 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9122 int N = pkg.providers.size(); 9123 StringBuilder r = null; 9124 int i; 9125 for (i=0; i<N; i++) { 9126 PackageParser.Provider p = pkg.providers.get(i); 9127 mProviders.removeProvider(p); 9128 if (p.info.authority == null) { 9129 9130 /* There was another ContentProvider with this authority when 9131 * this app was installed so this authority is null, 9132 * Ignore it as we don't have to unregister the provider. 9133 */ 9134 continue; 9135 } 9136 String names[] = p.info.authority.split(";"); 9137 for (int j = 0; j < names.length; j++) { 9138 if (mProvidersByAuthority.get(names[j]) == p) { 9139 mProvidersByAuthority.remove(names[j]); 9140 if (DEBUG_REMOVE) { 9141 if (chatty) 9142 Log.d(TAG, "Unregistered content provider: " + names[j] 9143 + ", className = " + p.info.name + ", isSyncable = " 9144 + p.info.isSyncable); 9145 } 9146 } 9147 } 9148 if (DEBUG_REMOVE && chatty) { 9149 if (r == null) { 9150 r = new StringBuilder(256); 9151 } else { 9152 r.append(' '); 9153 } 9154 r.append(p.info.name); 9155 } 9156 } 9157 if (r != null) { 9158 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9159 } 9160 9161 N = pkg.services.size(); 9162 r = null; 9163 for (i=0; i<N; i++) { 9164 PackageParser.Service s = pkg.services.get(i); 9165 mServices.removeService(s); 9166 if (chatty) { 9167 if (r == null) { 9168 r = new StringBuilder(256); 9169 } else { 9170 r.append(' '); 9171 } 9172 r.append(s.info.name); 9173 } 9174 } 9175 if (r != null) { 9176 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9177 } 9178 9179 N = pkg.receivers.size(); 9180 r = null; 9181 for (i=0; i<N; i++) { 9182 PackageParser.Activity a = pkg.receivers.get(i); 9183 mReceivers.removeActivity(a, "receiver"); 9184 if (DEBUG_REMOVE && chatty) { 9185 if (r == null) { 9186 r = new StringBuilder(256); 9187 } else { 9188 r.append(' '); 9189 } 9190 r.append(a.info.name); 9191 } 9192 } 9193 if (r != null) { 9194 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9195 } 9196 9197 N = pkg.activities.size(); 9198 r = null; 9199 for (i=0; i<N; i++) { 9200 PackageParser.Activity a = pkg.activities.get(i); 9201 mActivities.removeActivity(a, "activity"); 9202 if (DEBUG_REMOVE && chatty) { 9203 if (r == null) { 9204 r = new StringBuilder(256); 9205 } else { 9206 r.append(' '); 9207 } 9208 r.append(a.info.name); 9209 } 9210 } 9211 if (r != null) { 9212 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9213 } 9214 9215 N = pkg.permissions.size(); 9216 r = null; 9217 for (i=0; i<N; i++) { 9218 PackageParser.Permission p = pkg.permissions.get(i); 9219 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9220 if (bp == null) { 9221 bp = mSettings.mPermissionTrees.get(p.info.name); 9222 } 9223 if (bp != null && bp.perm == p) { 9224 bp.perm = null; 9225 if (DEBUG_REMOVE && chatty) { 9226 if (r == null) { 9227 r = new StringBuilder(256); 9228 } else { 9229 r.append(' '); 9230 } 9231 r.append(p.info.name); 9232 } 9233 } 9234 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9235 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9236 if (appOpPkgs != null) { 9237 appOpPkgs.remove(pkg.packageName); 9238 } 9239 } 9240 } 9241 if (r != null) { 9242 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9243 } 9244 9245 N = pkg.requestedPermissions.size(); 9246 r = null; 9247 for (i=0; i<N; i++) { 9248 String perm = pkg.requestedPermissions.get(i); 9249 BasePermission bp = mSettings.mPermissions.get(perm); 9250 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9251 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9252 if (appOpPkgs != null) { 9253 appOpPkgs.remove(pkg.packageName); 9254 if (appOpPkgs.isEmpty()) { 9255 mAppOpPermissionPackages.remove(perm); 9256 } 9257 } 9258 } 9259 } 9260 if (r != null) { 9261 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9262 } 9263 9264 N = pkg.instrumentation.size(); 9265 r = null; 9266 for (i=0; i<N; i++) { 9267 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9268 mInstrumentation.remove(a.getComponentName()); 9269 if (DEBUG_REMOVE && chatty) { 9270 if (r == null) { 9271 r = new StringBuilder(256); 9272 } else { 9273 r.append(' '); 9274 } 9275 r.append(a.info.name); 9276 } 9277 } 9278 if (r != null) { 9279 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9280 } 9281 9282 r = null; 9283 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9284 // Only system apps can hold shared libraries. 9285 if (pkg.libraryNames != null) { 9286 for (i=0; i<pkg.libraryNames.size(); i++) { 9287 String name = pkg.libraryNames.get(i); 9288 SharedLibraryEntry cur = mSharedLibraries.get(name); 9289 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9290 mSharedLibraries.remove(name); 9291 if (DEBUG_REMOVE && chatty) { 9292 if (r == null) { 9293 r = new StringBuilder(256); 9294 } else { 9295 r.append(' '); 9296 } 9297 r.append(name); 9298 } 9299 } 9300 } 9301 } 9302 } 9303 if (r != null) { 9304 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9305 } 9306 } 9307 9308 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9309 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9310 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9311 return true; 9312 } 9313 } 9314 return false; 9315 } 9316 9317 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9318 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9319 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9320 9321 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9322 // Update the parent permissions 9323 updatePermissionsLPw(pkg.packageName, pkg, flags); 9324 // Update the child permissions 9325 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9326 for (int i = 0; i < childCount; i++) { 9327 PackageParser.Package childPkg = pkg.childPackages.get(i); 9328 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9329 } 9330 } 9331 9332 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9333 int flags) { 9334 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9335 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9336 } 9337 9338 private void updatePermissionsLPw(String changingPkg, 9339 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9340 // Make sure there are no dangling permission trees. 9341 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9342 while (it.hasNext()) { 9343 final BasePermission bp = it.next(); 9344 if (bp.packageSetting == null) { 9345 // We may not yet have parsed the package, so just see if 9346 // we still know about its settings. 9347 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9348 } 9349 if (bp.packageSetting == null) { 9350 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9351 + " from package " + bp.sourcePackage); 9352 it.remove(); 9353 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9354 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9355 Slog.i(TAG, "Removing old permission tree: " + bp.name 9356 + " from package " + bp.sourcePackage); 9357 flags |= UPDATE_PERMISSIONS_ALL; 9358 it.remove(); 9359 } 9360 } 9361 } 9362 9363 // Make sure all dynamic permissions have been assigned to a package, 9364 // and make sure there are no dangling permissions. 9365 it = mSettings.mPermissions.values().iterator(); 9366 while (it.hasNext()) { 9367 final BasePermission bp = it.next(); 9368 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9369 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9370 + bp.name + " pkg=" + bp.sourcePackage 9371 + " info=" + bp.pendingInfo); 9372 if (bp.packageSetting == null && bp.pendingInfo != null) { 9373 final BasePermission tree = findPermissionTreeLP(bp.name); 9374 if (tree != null && tree.perm != null) { 9375 bp.packageSetting = tree.packageSetting; 9376 bp.perm = new PackageParser.Permission(tree.perm.owner, 9377 new PermissionInfo(bp.pendingInfo)); 9378 bp.perm.info.packageName = tree.perm.info.packageName; 9379 bp.perm.info.name = bp.name; 9380 bp.uid = tree.uid; 9381 } 9382 } 9383 } 9384 if (bp.packageSetting == null) { 9385 // We may not yet have parsed the package, so just see if 9386 // we still know about its settings. 9387 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9388 } 9389 if (bp.packageSetting == null) { 9390 Slog.w(TAG, "Removing dangling permission: " + bp.name 9391 + " from package " + bp.sourcePackage); 9392 it.remove(); 9393 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9394 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9395 Slog.i(TAG, "Removing old permission: " + bp.name 9396 + " from package " + bp.sourcePackage); 9397 flags |= UPDATE_PERMISSIONS_ALL; 9398 it.remove(); 9399 } 9400 } 9401 } 9402 9403 // Now update the permissions for all packages, in particular 9404 // replace the granted permissions of the system packages. 9405 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9406 for (PackageParser.Package pkg : mPackages.values()) { 9407 if (pkg != pkgInfo) { 9408 // Only replace for packages on requested volume 9409 final String volumeUuid = getVolumeUuidForPackage(pkg); 9410 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9411 && Objects.equals(replaceVolumeUuid, volumeUuid); 9412 grantPermissionsLPw(pkg, replace, changingPkg); 9413 } 9414 } 9415 } 9416 9417 if (pkgInfo != null) { 9418 // Only replace for packages on requested volume 9419 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9420 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9421 && Objects.equals(replaceVolumeUuid, volumeUuid); 9422 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9423 } 9424 } 9425 9426 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9427 String packageOfInterest) { 9428 // IMPORTANT: There are two types of permissions: install and runtime. 9429 // Install time permissions are granted when the app is installed to 9430 // all device users and users added in the future. Runtime permissions 9431 // are granted at runtime explicitly to specific users. Normal and signature 9432 // protected permissions are install time permissions. Dangerous permissions 9433 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9434 // otherwise they are runtime permissions. This function does not manage 9435 // runtime permissions except for the case an app targeting Lollipop MR1 9436 // being upgraded to target a newer SDK, in which case dangerous permissions 9437 // are transformed from install time to runtime ones. 9438 9439 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9440 if (ps == null) { 9441 return; 9442 } 9443 9444 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9445 9446 PermissionsState permissionsState = ps.getPermissionsState(); 9447 PermissionsState origPermissions = permissionsState; 9448 9449 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9450 9451 boolean runtimePermissionsRevoked = false; 9452 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9453 9454 boolean changedInstallPermission = false; 9455 9456 if (replace) { 9457 ps.installPermissionsFixed = false; 9458 if (!ps.isSharedUser()) { 9459 origPermissions = new PermissionsState(permissionsState); 9460 permissionsState.reset(); 9461 } else { 9462 // We need to know only about runtime permission changes since the 9463 // calling code always writes the install permissions state but 9464 // the runtime ones are written only if changed. The only cases of 9465 // changed runtime permissions here are promotion of an install to 9466 // runtime and revocation of a runtime from a shared user. 9467 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9468 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9469 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9470 runtimePermissionsRevoked = true; 9471 } 9472 } 9473 } 9474 9475 permissionsState.setGlobalGids(mGlobalGids); 9476 9477 final int N = pkg.requestedPermissions.size(); 9478 for (int i=0; i<N; i++) { 9479 final String name = pkg.requestedPermissions.get(i); 9480 final BasePermission bp = mSettings.mPermissions.get(name); 9481 9482 if (DEBUG_INSTALL) { 9483 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9484 } 9485 9486 if (bp == null || bp.packageSetting == null) { 9487 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9488 Slog.w(TAG, "Unknown permission " + name 9489 + " in package " + pkg.packageName); 9490 } 9491 continue; 9492 } 9493 9494 final String perm = bp.name; 9495 boolean allowedSig = false; 9496 int grant = GRANT_DENIED; 9497 9498 // Keep track of app op permissions. 9499 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9500 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9501 if (pkgs == null) { 9502 pkgs = new ArraySet<>(); 9503 mAppOpPermissionPackages.put(bp.name, pkgs); 9504 } 9505 pkgs.add(pkg.packageName); 9506 } 9507 9508 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9509 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9510 >= Build.VERSION_CODES.M; 9511 switch (level) { 9512 case PermissionInfo.PROTECTION_NORMAL: { 9513 // For all apps normal permissions are install time ones. 9514 grant = GRANT_INSTALL; 9515 } break; 9516 9517 case PermissionInfo.PROTECTION_DANGEROUS: { 9518 // If a permission review is required for legacy apps we represent 9519 // their permissions as always granted runtime ones since we need 9520 // to keep the review required permission flag per user while an 9521 // install permission's state is shared across all users. 9522 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9523 // For legacy apps dangerous permissions are install time ones. 9524 grant = GRANT_INSTALL; 9525 } else if (origPermissions.hasInstallPermission(bp.name)) { 9526 // For legacy apps that became modern, install becomes runtime. 9527 grant = GRANT_UPGRADE; 9528 } else if (mPromoteSystemApps 9529 && isSystemApp(ps) 9530 && mExistingSystemPackages.contains(ps.name)) { 9531 // For legacy system apps, install becomes runtime. 9532 // We cannot check hasInstallPermission() for system apps since those 9533 // permissions were granted implicitly and not persisted pre-M. 9534 grant = GRANT_UPGRADE; 9535 } else { 9536 // For modern apps keep runtime permissions unchanged. 9537 grant = GRANT_RUNTIME; 9538 } 9539 } break; 9540 9541 case PermissionInfo.PROTECTION_SIGNATURE: { 9542 // For all apps signature permissions are install time ones. 9543 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9544 if (allowedSig) { 9545 grant = GRANT_INSTALL; 9546 } 9547 } break; 9548 } 9549 9550 if (DEBUG_INSTALL) { 9551 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9552 } 9553 9554 if (grant != GRANT_DENIED) { 9555 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9556 // If this is an existing, non-system package, then 9557 // we can't add any new permissions to it. 9558 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9559 // Except... if this is a permission that was added 9560 // to the platform (note: need to only do this when 9561 // updating the platform). 9562 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9563 grant = GRANT_DENIED; 9564 } 9565 } 9566 } 9567 9568 switch (grant) { 9569 case GRANT_INSTALL: { 9570 // Revoke this as runtime permission to handle the case of 9571 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9572 for (int userId : UserManagerService.getInstance().getUserIds()) { 9573 if (origPermissions.getRuntimePermissionState( 9574 bp.name, userId) != null) { 9575 // Revoke the runtime permission and clear the flags. 9576 origPermissions.revokeRuntimePermission(bp, userId); 9577 origPermissions.updatePermissionFlags(bp, userId, 9578 PackageManager.MASK_PERMISSION_FLAGS, 0); 9579 // If we revoked a permission permission, we have to write. 9580 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9581 changedRuntimePermissionUserIds, userId); 9582 } 9583 } 9584 // Grant an install permission. 9585 if (permissionsState.grantInstallPermission(bp) != 9586 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9587 changedInstallPermission = true; 9588 } 9589 } break; 9590 9591 case GRANT_RUNTIME: { 9592 // Grant previously granted runtime permissions. 9593 for (int userId : UserManagerService.getInstance().getUserIds()) { 9594 PermissionState permissionState = origPermissions 9595 .getRuntimePermissionState(bp.name, userId); 9596 int flags = permissionState != null 9597 ? permissionState.getFlags() : 0; 9598 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9599 if (permissionsState.grantRuntimePermission(bp, userId) == 9600 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9601 // If we cannot put the permission as it was, we have to write. 9602 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9603 changedRuntimePermissionUserIds, userId); 9604 } 9605 // If the app supports runtime permissions no need for a review. 9606 if (Build.PERMISSIONS_REVIEW_REQUIRED 9607 && appSupportsRuntimePermissions 9608 && (flags & PackageManager 9609 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9610 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9611 // Since we changed the flags, we have to write. 9612 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9613 changedRuntimePermissionUserIds, userId); 9614 } 9615 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9616 && !appSupportsRuntimePermissions) { 9617 // For legacy apps that need a permission review, every new 9618 // runtime permission is granted but it is pending a review. 9619 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9620 permissionsState.grantRuntimePermission(bp, userId); 9621 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9622 // We changed the permission and flags, hence have to write. 9623 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9624 changedRuntimePermissionUserIds, userId); 9625 } 9626 } 9627 // Propagate the permission flags. 9628 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9629 } 9630 } break; 9631 9632 case GRANT_UPGRADE: { 9633 // Grant runtime permissions for a previously held install permission. 9634 PermissionState permissionState = origPermissions 9635 .getInstallPermissionState(bp.name); 9636 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9637 9638 if (origPermissions.revokeInstallPermission(bp) 9639 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9640 // We will be transferring the permission flags, so clear them. 9641 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9642 PackageManager.MASK_PERMISSION_FLAGS, 0); 9643 changedInstallPermission = true; 9644 } 9645 9646 // If the permission is not to be promoted to runtime we ignore it and 9647 // also its other flags as they are not applicable to install permissions. 9648 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9649 for (int userId : currentUserIds) { 9650 if (permissionsState.grantRuntimePermission(bp, userId) != 9651 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9652 // Transfer the permission flags. 9653 permissionsState.updatePermissionFlags(bp, userId, 9654 flags, flags); 9655 // If we granted the permission, we have to write. 9656 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9657 changedRuntimePermissionUserIds, userId); 9658 } 9659 } 9660 } 9661 } break; 9662 9663 default: { 9664 if (packageOfInterest == null 9665 || packageOfInterest.equals(pkg.packageName)) { 9666 Slog.w(TAG, "Not granting permission " + perm 9667 + " to package " + pkg.packageName 9668 + " because it was previously installed without"); 9669 } 9670 } break; 9671 } 9672 } else { 9673 if (permissionsState.revokeInstallPermission(bp) != 9674 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9675 // Also drop the permission flags. 9676 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9677 PackageManager.MASK_PERMISSION_FLAGS, 0); 9678 changedInstallPermission = true; 9679 Slog.i(TAG, "Un-granting permission " + perm 9680 + " from package " + pkg.packageName 9681 + " (protectionLevel=" + bp.protectionLevel 9682 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9683 + ")"); 9684 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9685 // Don't print warning for app op permissions, since it is fine for them 9686 // not to be granted, there is a UI for the user to decide. 9687 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9688 Slog.w(TAG, "Not granting permission " + perm 9689 + " to package " + pkg.packageName 9690 + " (protectionLevel=" + bp.protectionLevel 9691 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9692 + ")"); 9693 } 9694 } 9695 } 9696 } 9697 9698 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9699 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9700 // This is the first that we have heard about this package, so the 9701 // permissions we have now selected are fixed until explicitly 9702 // changed. 9703 ps.installPermissionsFixed = true; 9704 } 9705 9706 // Persist the runtime permissions state for users with changes. If permissions 9707 // were revoked because no app in the shared user declares them we have to 9708 // write synchronously to avoid losing runtime permissions state. 9709 for (int userId : changedRuntimePermissionUserIds) { 9710 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9711 } 9712 9713 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9714 } 9715 9716 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9717 boolean allowed = false; 9718 final int NP = PackageParser.NEW_PERMISSIONS.length; 9719 for (int ip=0; ip<NP; ip++) { 9720 final PackageParser.NewPermissionInfo npi 9721 = PackageParser.NEW_PERMISSIONS[ip]; 9722 if (npi.name.equals(perm) 9723 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9724 allowed = true; 9725 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9726 + pkg.packageName); 9727 break; 9728 } 9729 } 9730 return allowed; 9731 } 9732 9733 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9734 BasePermission bp, PermissionsState origPermissions) { 9735 boolean allowed; 9736 allowed = (compareSignatures( 9737 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9738 == PackageManager.SIGNATURE_MATCH) 9739 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9740 == PackageManager.SIGNATURE_MATCH); 9741 if (!allowed && (bp.protectionLevel 9742 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9743 if (isSystemApp(pkg)) { 9744 // For updated system applications, a system permission 9745 // is granted only if it had been defined by the original application. 9746 if (pkg.isUpdatedSystemApp()) { 9747 final PackageSetting sysPs = mSettings 9748 .getDisabledSystemPkgLPr(pkg.packageName); 9749 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9750 // If the original was granted this permission, we take 9751 // that grant decision as read and propagate it to the 9752 // update. 9753 if (sysPs.isPrivileged()) { 9754 allowed = true; 9755 } 9756 } else { 9757 // The system apk may have been updated with an older 9758 // version of the one on the data partition, but which 9759 // granted a new system permission that it didn't have 9760 // before. In this case we do want to allow the app to 9761 // now get the new permission if the ancestral apk is 9762 // privileged to get it. 9763 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9764 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9765 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9766 allowed = true; 9767 break; 9768 } 9769 } 9770 } 9771 // Also if a privileged parent package on the system image or any of 9772 // its children requested a privileged permission, the updated child 9773 // packages can also get the permission. 9774 if (pkg.parentPackage != null) { 9775 final PackageSetting disabledSysParentPs = mSettings 9776 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9777 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9778 && disabledSysParentPs.isPrivileged()) { 9779 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9780 allowed = true; 9781 } else if (disabledSysParentPs.pkg.childPackages != null) { 9782 final int count = disabledSysParentPs.pkg.childPackages.size(); 9783 for (int i = 0; i < count; i++) { 9784 PackageParser.Package disabledSysChildPkg = 9785 disabledSysParentPs.pkg.childPackages.get(i); 9786 if (isPackageRequestingPermission(disabledSysChildPkg, 9787 perm)) { 9788 allowed = true; 9789 break; 9790 } 9791 } 9792 } 9793 } 9794 } 9795 } 9796 } else { 9797 allowed = isPrivilegedApp(pkg); 9798 } 9799 } 9800 } 9801 if (!allowed) { 9802 if (!allowed && (bp.protectionLevel 9803 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9804 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9805 // If this was a previously normal/dangerous permission that got moved 9806 // to a system permission as part of the runtime permission redesign, then 9807 // we still want to blindly grant it to old apps. 9808 allowed = true; 9809 } 9810 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9811 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9812 // If this permission is to be granted to the system installer and 9813 // this app is an installer, then it gets the permission. 9814 allowed = true; 9815 } 9816 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9817 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9818 // If this permission is to be granted to the system verifier and 9819 // this app is a verifier, then it gets the permission. 9820 allowed = true; 9821 } 9822 if (!allowed && (bp.protectionLevel 9823 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9824 && isSystemApp(pkg)) { 9825 // Any pre-installed system app is allowed to get this permission. 9826 allowed = true; 9827 } 9828 if (!allowed && (bp.protectionLevel 9829 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9830 // For development permissions, a development permission 9831 // is granted only if it was already granted. 9832 allowed = origPermissions.hasInstallPermission(perm); 9833 } 9834 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 9835 && pkg.packageName.equals(mSetupWizardPackage)) { 9836 // If this permission is to be granted to the system setup wizard and 9837 // this app is a setup wizard, then it gets the permission. 9838 allowed = true; 9839 } 9840 } 9841 return allowed; 9842 } 9843 9844 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9845 final int permCount = pkg.requestedPermissions.size(); 9846 for (int j = 0; j < permCount; j++) { 9847 String requestedPermission = pkg.requestedPermissions.get(j); 9848 if (permission.equals(requestedPermission)) { 9849 return true; 9850 } 9851 } 9852 return false; 9853 } 9854 9855 final class ActivityIntentResolver 9856 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9857 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9858 boolean defaultOnly, int userId) { 9859 if (!sUserManager.exists(userId)) return null; 9860 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9861 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9862 } 9863 9864 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9865 int userId) { 9866 if (!sUserManager.exists(userId)) return null; 9867 mFlags = flags; 9868 return super.queryIntent(intent, resolvedType, 9869 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9870 } 9871 9872 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9873 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9874 if (!sUserManager.exists(userId)) return null; 9875 if (packageActivities == null) { 9876 return null; 9877 } 9878 mFlags = flags; 9879 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9880 final int N = packageActivities.size(); 9881 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9882 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9883 9884 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9885 for (int i = 0; i < N; ++i) { 9886 intentFilters = packageActivities.get(i).intents; 9887 if (intentFilters != null && intentFilters.size() > 0) { 9888 PackageParser.ActivityIntentInfo[] array = 9889 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9890 intentFilters.toArray(array); 9891 listCut.add(array); 9892 } 9893 } 9894 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9895 } 9896 9897 /** 9898 * Finds a privileged activity that matches the specified activity names. 9899 */ 9900 private PackageParser.Activity findMatchingActivity( 9901 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 9902 for (PackageParser.Activity sysActivity : activityList) { 9903 if (sysActivity.info.name.equals(activityInfo.name)) { 9904 return sysActivity; 9905 } 9906 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 9907 return sysActivity; 9908 } 9909 if (sysActivity.info.targetActivity != null) { 9910 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 9911 return sysActivity; 9912 } 9913 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 9914 return sysActivity; 9915 } 9916 } 9917 } 9918 return null; 9919 } 9920 9921 public class IterGenerator<E> { 9922 public Iterator<E> generate(ActivityIntentInfo info) { 9923 return null; 9924 } 9925 } 9926 9927 public class ActionIterGenerator extends IterGenerator<String> { 9928 @Override 9929 public Iterator<String> generate(ActivityIntentInfo info) { 9930 return info.actionsIterator(); 9931 } 9932 } 9933 9934 public class CategoriesIterGenerator extends IterGenerator<String> { 9935 @Override 9936 public Iterator<String> generate(ActivityIntentInfo info) { 9937 return info.categoriesIterator(); 9938 } 9939 } 9940 9941 public class SchemesIterGenerator extends IterGenerator<String> { 9942 @Override 9943 public Iterator<String> generate(ActivityIntentInfo info) { 9944 return info.schemesIterator(); 9945 } 9946 } 9947 9948 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 9949 @Override 9950 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 9951 return info.authoritiesIterator(); 9952 } 9953 } 9954 9955 /** 9956 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 9957 * MODIFIED. Do not pass in a list that should not be changed. 9958 */ 9959 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 9960 IterGenerator<T> generator, Iterator<T> searchIterator) { 9961 // loop through the set of actions; every one must be found in the intent filter 9962 while (searchIterator.hasNext()) { 9963 // we must have at least one filter in the list to consider a match 9964 if (intentList.size() == 0) { 9965 break; 9966 } 9967 9968 final T searchAction = searchIterator.next(); 9969 9970 // loop through the set of intent filters 9971 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 9972 while (intentIter.hasNext()) { 9973 final ActivityIntentInfo intentInfo = intentIter.next(); 9974 boolean selectionFound = false; 9975 9976 // loop through the intent filter's selection criteria; at least one 9977 // of them must match the searched criteria 9978 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 9979 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 9980 final T intentSelection = intentSelectionIter.next(); 9981 if (intentSelection != null && intentSelection.equals(searchAction)) { 9982 selectionFound = true; 9983 break; 9984 } 9985 } 9986 9987 // the selection criteria wasn't found in this filter's set; this filter 9988 // is not a potential match 9989 if (!selectionFound) { 9990 intentIter.remove(); 9991 } 9992 } 9993 } 9994 } 9995 9996 private boolean isProtectedAction(ActivityIntentInfo filter) { 9997 final Iterator<String> actionsIter = filter.actionsIterator(); 9998 while (actionsIter != null && actionsIter.hasNext()) { 9999 final String filterAction = actionsIter.next(); 10000 if (PROTECTED_ACTIONS.contains(filterAction)) { 10001 return true; 10002 } 10003 } 10004 return false; 10005 } 10006 10007 /** 10008 * Adjusts the priority of the given intent filter according to policy. 10009 * <p> 10010 * <ul> 10011 * <li>The priority for non privileged applications is capped to '0'</li> 10012 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10013 * <li>The priority for unbundled updates to privileged applications is capped to the 10014 * priority defined on the system partition</li> 10015 * </ul> 10016 * <p> 10017 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10018 * allowed to obtain any priority on any action. 10019 */ 10020 private void adjustPriority( 10021 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10022 // nothing to do; priority is fine as-is 10023 if (intent.getPriority() <= 0) { 10024 return; 10025 } 10026 10027 final ActivityInfo activityInfo = intent.activity.info; 10028 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10029 10030 final boolean privilegedApp = 10031 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10032 if (!privilegedApp) { 10033 // non-privileged applications can never define a priority >0 10034 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10035 + " package: " + applicationInfo.packageName 10036 + " activity: " + intent.activity.className 10037 + " origPrio: " + intent.getPriority()); 10038 intent.setPriority(0); 10039 return; 10040 } 10041 10042 if (systemActivities == null) { 10043 // the system package is not disabled; we're parsing the system partition 10044 if (isProtectedAction(intent)) { 10045 if (mDeferProtectedFilters) { 10046 // We can't deal with these just yet. No component should ever obtain a 10047 // >0 priority for a protected actions, with ONE exception -- the setup 10048 // wizard. The setup wizard, however, cannot be known until we're able to 10049 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10050 // until all intent filters have been processed. Chicken, meet egg. 10051 // Let the filter temporarily have a high priority and rectify the 10052 // priorities after all system packages have been scanned. 10053 mProtectedFilters.add(intent); 10054 if (DEBUG_FILTERS) { 10055 Slog.i(TAG, "Protected action; save for later;" 10056 + " package: " + applicationInfo.packageName 10057 + " activity: " + intent.activity.className 10058 + " origPrio: " + intent.getPriority()); 10059 } 10060 return; 10061 } else { 10062 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10063 Slog.i(TAG, "No setup wizard;" 10064 + " All protected intents capped to priority 0"); 10065 } 10066 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10067 if (DEBUG_FILTERS) { 10068 Slog.i(TAG, "Found setup wizard;" 10069 + " allow priority " + intent.getPriority() + ";" 10070 + " package: " + intent.activity.info.packageName 10071 + " activity: " + intent.activity.className 10072 + " priority: " + intent.getPriority()); 10073 } 10074 // setup wizard gets whatever it wants 10075 return; 10076 } 10077 Slog.w(TAG, "Protected action; cap priority to 0;" 10078 + " package: " + intent.activity.info.packageName 10079 + " activity: " + intent.activity.className 10080 + " origPrio: " + intent.getPriority()); 10081 intent.setPriority(0); 10082 return; 10083 } 10084 } 10085 // privileged apps on the system image get whatever priority they request 10086 return; 10087 } 10088 10089 // privileged app unbundled update ... try to find the same activity 10090 final PackageParser.Activity foundActivity = 10091 findMatchingActivity(systemActivities, activityInfo); 10092 if (foundActivity == null) { 10093 // this is a new activity; it cannot obtain >0 priority 10094 if (DEBUG_FILTERS) { 10095 Slog.i(TAG, "New activity; cap priority to 0;" 10096 + " package: " + applicationInfo.packageName 10097 + " activity: " + intent.activity.className 10098 + " origPrio: " + intent.getPriority()); 10099 } 10100 intent.setPriority(0); 10101 return; 10102 } 10103 10104 // found activity, now check for filter equivalence 10105 10106 // a shallow copy is enough; we modify the list, not its contents 10107 final List<ActivityIntentInfo> intentListCopy = 10108 new ArrayList<>(foundActivity.intents); 10109 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10110 10111 // find matching action subsets 10112 final Iterator<String> actionsIterator = intent.actionsIterator(); 10113 if (actionsIterator != null) { 10114 getIntentListSubset( 10115 intentListCopy, new ActionIterGenerator(), actionsIterator); 10116 if (intentListCopy.size() == 0) { 10117 // no more intents to match; we're not equivalent 10118 if (DEBUG_FILTERS) { 10119 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10120 + " package: " + applicationInfo.packageName 10121 + " activity: " + intent.activity.className 10122 + " origPrio: " + intent.getPriority()); 10123 } 10124 intent.setPriority(0); 10125 return; 10126 } 10127 } 10128 10129 // find matching category subsets 10130 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10131 if (categoriesIterator != null) { 10132 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10133 categoriesIterator); 10134 if (intentListCopy.size() == 0) { 10135 // no more intents to match; we're not equivalent 10136 if (DEBUG_FILTERS) { 10137 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10138 + " package: " + applicationInfo.packageName 10139 + " activity: " + intent.activity.className 10140 + " origPrio: " + intent.getPriority()); 10141 } 10142 intent.setPriority(0); 10143 return; 10144 } 10145 } 10146 10147 // find matching schemes subsets 10148 final Iterator<String> schemesIterator = intent.schemesIterator(); 10149 if (schemesIterator != null) { 10150 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10151 schemesIterator); 10152 if (intentListCopy.size() == 0) { 10153 // no more intents to match; we're not equivalent 10154 if (DEBUG_FILTERS) { 10155 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10156 + " package: " + applicationInfo.packageName 10157 + " activity: " + intent.activity.className 10158 + " origPrio: " + intent.getPriority()); 10159 } 10160 intent.setPriority(0); 10161 return; 10162 } 10163 } 10164 10165 // find matching authorities subsets 10166 final Iterator<IntentFilter.AuthorityEntry> 10167 authoritiesIterator = intent.authoritiesIterator(); 10168 if (authoritiesIterator != null) { 10169 getIntentListSubset(intentListCopy, 10170 new AuthoritiesIterGenerator(), 10171 authoritiesIterator); 10172 if (intentListCopy.size() == 0) { 10173 // no more intents to match; we're not equivalent 10174 if (DEBUG_FILTERS) { 10175 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10176 + " package: " + applicationInfo.packageName 10177 + " activity: " + intent.activity.className 10178 + " origPrio: " + intent.getPriority()); 10179 } 10180 intent.setPriority(0); 10181 return; 10182 } 10183 } 10184 10185 // we found matching filter(s); app gets the max priority of all intents 10186 int cappedPriority = 0; 10187 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10188 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10189 } 10190 if (intent.getPriority() > cappedPriority) { 10191 if (DEBUG_FILTERS) { 10192 Slog.i(TAG, "Found matching filter(s);" 10193 + " cap priority to " + cappedPriority + ";" 10194 + " package: " + applicationInfo.packageName 10195 + " activity: " + intent.activity.className 10196 + " origPrio: " + intent.getPriority()); 10197 } 10198 intent.setPriority(cappedPriority); 10199 return; 10200 } 10201 // all this for nothing; the requested priority was <= what was on the system 10202 } 10203 10204 public final void addActivity(PackageParser.Activity a, String type) { 10205 mActivities.put(a.getComponentName(), a); 10206 if (DEBUG_SHOW_INFO) 10207 Log.v( 10208 TAG, " " + type + " " + 10209 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10210 if (DEBUG_SHOW_INFO) 10211 Log.v(TAG, " Class=" + a.info.name); 10212 final int NI = a.intents.size(); 10213 for (int j=0; j<NI; j++) { 10214 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10215 if ("activity".equals(type)) { 10216 final PackageSetting ps = 10217 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10218 final List<PackageParser.Activity> systemActivities = 10219 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10220 adjustPriority(systemActivities, intent); 10221 } 10222 if (DEBUG_SHOW_INFO) { 10223 Log.v(TAG, " IntentFilter:"); 10224 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10225 } 10226 if (!intent.debugCheck()) { 10227 Log.w(TAG, "==> For Activity " + a.info.name); 10228 } 10229 addFilter(intent); 10230 } 10231 } 10232 10233 public final void removeActivity(PackageParser.Activity a, String type) { 10234 mActivities.remove(a.getComponentName()); 10235 if (DEBUG_SHOW_INFO) { 10236 Log.v(TAG, " " + type + " " 10237 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10238 : a.info.name) + ":"); 10239 Log.v(TAG, " Class=" + a.info.name); 10240 } 10241 final int NI = a.intents.size(); 10242 for (int j=0; j<NI; j++) { 10243 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10244 if (DEBUG_SHOW_INFO) { 10245 Log.v(TAG, " IntentFilter:"); 10246 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10247 } 10248 removeFilter(intent); 10249 } 10250 } 10251 10252 @Override 10253 protected boolean allowFilterResult( 10254 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10255 ActivityInfo filterAi = filter.activity.info; 10256 for (int i=dest.size()-1; i>=0; i--) { 10257 ActivityInfo destAi = dest.get(i).activityInfo; 10258 if (destAi.name == filterAi.name 10259 && destAi.packageName == filterAi.packageName) { 10260 return false; 10261 } 10262 } 10263 return true; 10264 } 10265 10266 @Override 10267 protected ActivityIntentInfo[] newArray(int size) { 10268 return new ActivityIntentInfo[size]; 10269 } 10270 10271 @Override 10272 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10273 if (!sUserManager.exists(userId)) return true; 10274 PackageParser.Package p = filter.activity.owner; 10275 if (p != null) { 10276 PackageSetting ps = (PackageSetting)p.mExtras; 10277 if (ps != null) { 10278 // System apps are never considered stopped for purposes of 10279 // filtering, because there may be no way for the user to 10280 // actually re-launch them. 10281 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10282 && ps.getStopped(userId); 10283 } 10284 } 10285 return false; 10286 } 10287 10288 @Override 10289 protected boolean isPackageForFilter(String packageName, 10290 PackageParser.ActivityIntentInfo info) { 10291 return packageName.equals(info.activity.owner.packageName); 10292 } 10293 10294 @Override 10295 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10296 int match, int userId) { 10297 if (!sUserManager.exists(userId)) return null; 10298 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10299 return null; 10300 } 10301 final PackageParser.Activity activity = info.activity; 10302 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10303 if (ps == null) { 10304 return null; 10305 } 10306 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10307 ps.readUserState(userId), userId); 10308 if (ai == null) { 10309 return null; 10310 } 10311 final ResolveInfo res = new ResolveInfo(); 10312 res.activityInfo = ai; 10313 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10314 res.filter = info; 10315 } 10316 if (info != null) { 10317 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10318 } 10319 res.priority = info.getPriority(); 10320 res.preferredOrder = activity.owner.mPreferredOrder; 10321 //System.out.println("Result: " + res.activityInfo.className + 10322 // " = " + res.priority); 10323 res.match = match; 10324 res.isDefault = info.hasDefault; 10325 res.labelRes = info.labelRes; 10326 res.nonLocalizedLabel = info.nonLocalizedLabel; 10327 if (userNeedsBadging(userId)) { 10328 res.noResourceId = true; 10329 } else { 10330 res.icon = info.icon; 10331 } 10332 res.iconResourceId = info.icon; 10333 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10334 return res; 10335 } 10336 10337 @Override 10338 protected void sortResults(List<ResolveInfo> results) { 10339 Collections.sort(results, mResolvePrioritySorter); 10340 } 10341 10342 @Override 10343 protected void dumpFilter(PrintWriter out, String prefix, 10344 PackageParser.ActivityIntentInfo filter) { 10345 out.print(prefix); out.print( 10346 Integer.toHexString(System.identityHashCode(filter.activity))); 10347 out.print(' '); 10348 filter.activity.printComponentShortName(out); 10349 out.print(" filter "); 10350 out.println(Integer.toHexString(System.identityHashCode(filter))); 10351 } 10352 10353 @Override 10354 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10355 return filter.activity; 10356 } 10357 10358 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10359 PackageParser.Activity activity = (PackageParser.Activity)label; 10360 out.print(prefix); out.print( 10361 Integer.toHexString(System.identityHashCode(activity))); 10362 out.print(' '); 10363 activity.printComponentShortName(out); 10364 if (count > 1) { 10365 out.print(" ("); out.print(count); out.print(" filters)"); 10366 } 10367 out.println(); 10368 } 10369 10370 // Keys are String (activity class name), values are Activity. 10371 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10372 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10373 private int mFlags; 10374 } 10375 10376 private final class ServiceIntentResolver 10377 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10378 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10379 boolean defaultOnly, int userId) { 10380 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10381 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10382 } 10383 10384 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10385 int userId) { 10386 if (!sUserManager.exists(userId)) return null; 10387 mFlags = flags; 10388 return super.queryIntent(intent, resolvedType, 10389 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10390 } 10391 10392 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10393 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10394 if (!sUserManager.exists(userId)) return null; 10395 if (packageServices == null) { 10396 return null; 10397 } 10398 mFlags = flags; 10399 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10400 final int N = packageServices.size(); 10401 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10402 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10403 10404 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10405 for (int i = 0; i < N; ++i) { 10406 intentFilters = packageServices.get(i).intents; 10407 if (intentFilters != null && intentFilters.size() > 0) { 10408 PackageParser.ServiceIntentInfo[] array = 10409 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10410 intentFilters.toArray(array); 10411 listCut.add(array); 10412 } 10413 } 10414 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10415 } 10416 10417 public final void addService(PackageParser.Service s) { 10418 mServices.put(s.getComponentName(), s); 10419 if (DEBUG_SHOW_INFO) { 10420 Log.v(TAG, " " 10421 + (s.info.nonLocalizedLabel != null 10422 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10423 Log.v(TAG, " Class=" + s.info.name); 10424 } 10425 final int NI = s.intents.size(); 10426 int j; 10427 for (j=0; j<NI; j++) { 10428 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10429 if (DEBUG_SHOW_INFO) { 10430 Log.v(TAG, " IntentFilter:"); 10431 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10432 } 10433 if (!intent.debugCheck()) { 10434 Log.w(TAG, "==> For Service " + s.info.name); 10435 } 10436 addFilter(intent); 10437 } 10438 } 10439 10440 public final void removeService(PackageParser.Service s) { 10441 mServices.remove(s.getComponentName()); 10442 if (DEBUG_SHOW_INFO) { 10443 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10444 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10445 Log.v(TAG, " Class=" + s.info.name); 10446 } 10447 final int NI = s.intents.size(); 10448 int j; 10449 for (j=0; j<NI; j++) { 10450 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10451 if (DEBUG_SHOW_INFO) { 10452 Log.v(TAG, " IntentFilter:"); 10453 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10454 } 10455 removeFilter(intent); 10456 } 10457 } 10458 10459 @Override 10460 protected boolean allowFilterResult( 10461 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10462 ServiceInfo filterSi = filter.service.info; 10463 for (int i=dest.size()-1; i>=0; i--) { 10464 ServiceInfo destAi = dest.get(i).serviceInfo; 10465 if (destAi.name == filterSi.name 10466 && destAi.packageName == filterSi.packageName) { 10467 return false; 10468 } 10469 } 10470 return true; 10471 } 10472 10473 @Override 10474 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10475 return new PackageParser.ServiceIntentInfo[size]; 10476 } 10477 10478 @Override 10479 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10480 if (!sUserManager.exists(userId)) return true; 10481 PackageParser.Package p = filter.service.owner; 10482 if (p != null) { 10483 PackageSetting ps = (PackageSetting)p.mExtras; 10484 if (ps != null) { 10485 // System apps are never considered stopped for purposes of 10486 // filtering, because there may be no way for the user to 10487 // actually re-launch them. 10488 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10489 && ps.getStopped(userId); 10490 } 10491 } 10492 return false; 10493 } 10494 10495 @Override 10496 protected boolean isPackageForFilter(String packageName, 10497 PackageParser.ServiceIntentInfo info) { 10498 return packageName.equals(info.service.owner.packageName); 10499 } 10500 10501 @Override 10502 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10503 int match, int userId) { 10504 if (!sUserManager.exists(userId)) return null; 10505 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10506 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10507 return null; 10508 } 10509 final PackageParser.Service service = info.service; 10510 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10511 if (ps == null) { 10512 return null; 10513 } 10514 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10515 ps.readUserState(userId), userId); 10516 if (si == null) { 10517 return null; 10518 } 10519 final ResolveInfo res = new ResolveInfo(); 10520 res.serviceInfo = si; 10521 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10522 res.filter = filter; 10523 } 10524 res.priority = info.getPriority(); 10525 res.preferredOrder = service.owner.mPreferredOrder; 10526 res.match = match; 10527 res.isDefault = info.hasDefault; 10528 res.labelRes = info.labelRes; 10529 res.nonLocalizedLabel = info.nonLocalizedLabel; 10530 res.icon = info.icon; 10531 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10532 return res; 10533 } 10534 10535 @Override 10536 protected void sortResults(List<ResolveInfo> results) { 10537 Collections.sort(results, mResolvePrioritySorter); 10538 } 10539 10540 @Override 10541 protected void dumpFilter(PrintWriter out, String prefix, 10542 PackageParser.ServiceIntentInfo filter) { 10543 out.print(prefix); out.print( 10544 Integer.toHexString(System.identityHashCode(filter.service))); 10545 out.print(' '); 10546 filter.service.printComponentShortName(out); 10547 out.print(" filter "); 10548 out.println(Integer.toHexString(System.identityHashCode(filter))); 10549 } 10550 10551 @Override 10552 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10553 return filter.service; 10554 } 10555 10556 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10557 PackageParser.Service service = (PackageParser.Service)label; 10558 out.print(prefix); out.print( 10559 Integer.toHexString(System.identityHashCode(service))); 10560 out.print(' '); 10561 service.printComponentShortName(out); 10562 if (count > 1) { 10563 out.print(" ("); out.print(count); out.print(" filters)"); 10564 } 10565 out.println(); 10566 } 10567 10568// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10569// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10570// final List<ResolveInfo> retList = Lists.newArrayList(); 10571// while (i.hasNext()) { 10572// final ResolveInfo resolveInfo = (ResolveInfo) i; 10573// if (isEnabledLP(resolveInfo.serviceInfo)) { 10574// retList.add(resolveInfo); 10575// } 10576// } 10577// return retList; 10578// } 10579 10580 // Keys are String (activity class name), values are Activity. 10581 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10582 = new ArrayMap<ComponentName, PackageParser.Service>(); 10583 private int mFlags; 10584 }; 10585 10586 private final class ProviderIntentResolver 10587 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10588 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10589 boolean defaultOnly, int userId) { 10590 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10591 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10592 } 10593 10594 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10595 int userId) { 10596 if (!sUserManager.exists(userId)) 10597 return null; 10598 mFlags = flags; 10599 return super.queryIntent(intent, resolvedType, 10600 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10601 } 10602 10603 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10604 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10605 if (!sUserManager.exists(userId)) 10606 return null; 10607 if (packageProviders == null) { 10608 return null; 10609 } 10610 mFlags = flags; 10611 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10612 final int N = packageProviders.size(); 10613 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10614 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10615 10616 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10617 for (int i = 0; i < N; ++i) { 10618 intentFilters = packageProviders.get(i).intents; 10619 if (intentFilters != null && intentFilters.size() > 0) { 10620 PackageParser.ProviderIntentInfo[] array = 10621 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10622 intentFilters.toArray(array); 10623 listCut.add(array); 10624 } 10625 } 10626 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10627 } 10628 10629 public final void addProvider(PackageParser.Provider p) { 10630 if (mProviders.containsKey(p.getComponentName())) { 10631 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10632 return; 10633 } 10634 10635 mProviders.put(p.getComponentName(), p); 10636 if (DEBUG_SHOW_INFO) { 10637 Log.v(TAG, " " 10638 + (p.info.nonLocalizedLabel != null 10639 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10640 Log.v(TAG, " Class=" + p.info.name); 10641 } 10642 final int NI = p.intents.size(); 10643 int j; 10644 for (j = 0; j < NI; j++) { 10645 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10646 if (DEBUG_SHOW_INFO) { 10647 Log.v(TAG, " IntentFilter:"); 10648 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10649 } 10650 if (!intent.debugCheck()) { 10651 Log.w(TAG, "==> For Provider " + p.info.name); 10652 } 10653 addFilter(intent); 10654 } 10655 } 10656 10657 public final void removeProvider(PackageParser.Provider p) { 10658 mProviders.remove(p.getComponentName()); 10659 if (DEBUG_SHOW_INFO) { 10660 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10661 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10662 Log.v(TAG, " Class=" + p.info.name); 10663 } 10664 final int NI = p.intents.size(); 10665 int j; 10666 for (j = 0; j < NI; j++) { 10667 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10668 if (DEBUG_SHOW_INFO) { 10669 Log.v(TAG, " IntentFilter:"); 10670 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10671 } 10672 removeFilter(intent); 10673 } 10674 } 10675 10676 @Override 10677 protected boolean allowFilterResult( 10678 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10679 ProviderInfo filterPi = filter.provider.info; 10680 for (int i = dest.size() - 1; i >= 0; i--) { 10681 ProviderInfo destPi = dest.get(i).providerInfo; 10682 if (destPi.name == filterPi.name 10683 && destPi.packageName == filterPi.packageName) { 10684 return false; 10685 } 10686 } 10687 return true; 10688 } 10689 10690 @Override 10691 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10692 return new PackageParser.ProviderIntentInfo[size]; 10693 } 10694 10695 @Override 10696 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10697 if (!sUserManager.exists(userId)) 10698 return true; 10699 PackageParser.Package p = filter.provider.owner; 10700 if (p != null) { 10701 PackageSetting ps = (PackageSetting) p.mExtras; 10702 if (ps != null) { 10703 // System apps are never considered stopped for purposes of 10704 // filtering, because there may be no way for the user to 10705 // actually re-launch them. 10706 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10707 && ps.getStopped(userId); 10708 } 10709 } 10710 return false; 10711 } 10712 10713 @Override 10714 protected boolean isPackageForFilter(String packageName, 10715 PackageParser.ProviderIntentInfo info) { 10716 return packageName.equals(info.provider.owner.packageName); 10717 } 10718 10719 @Override 10720 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10721 int match, int userId) { 10722 if (!sUserManager.exists(userId)) 10723 return null; 10724 final PackageParser.ProviderIntentInfo info = filter; 10725 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10726 return null; 10727 } 10728 final PackageParser.Provider provider = info.provider; 10729 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10730 if (ps == null) { 10731 return null; 10732 } 10733 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10734 ps.readUserState(userId), userId); 10735 if (pi == null) { 10736 return null; 10737 } 10738 final ResolveInfo res = new ResolveInfo(); 10739 res.providerInfo = pi; 10740 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10741 res.filter = filter; 10742 } 10743 res.priority = info.getPriority(); 10744 res.preferredOrder = provider.owner.mPreferredOrder; 10745 res.match = match; 10746 res.isDefault = info.hasDefault; 10747 res.labelRes = info.labelRes; 10748 res.nonLocalizedLabel = info.nonLocalizedLabel; 10749 res.icon = info.icon; 10750 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10751 return res; 10752 } 10753 10754 @Override 10755 protected void sortResults(List<ResolveInfo> results) { 10756 Collections.sort(results, mResolvePrioritySorter); 10757 } 10758 10759 @Override 10760 protected void dumpFilter(PrintWriter out, String prefix, 10761 PackageParser.ProviderIntentInfo filter) { 10762 out.print(prefix); 10763 out.print( 10764 Integer.toHexString(System.identityHashCode(filter.provider))); 10765 out.print(' '); 10766 filter.provider.printComponentShortName(out); 10767 out.print(" filter "); 10768 out.println(Integer.toHexString(System.identityHashCode(filter))); 10769 } 10770 10771 @Override 10772 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10773 return filter.provider; 10774 } 10775 10776 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10777 PackageParser.Provider provider = (PackageParser.Provider)label; 10778 out.print(prefix); out.print( 10779 Integer.toHexString(System.identityHashCode(provider))); 10780 out.print(' '); 10781 provider.printComponentShortName(out); 10782 if (count > 1) { 10783 out.print(" ("); out.print(count); out.print(" filters)"); 10784 } 10785 out.println(); 10786 } 10787 10788 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10789 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10790 private int mFlags; 10791 } 10792 10793 private static final class EphemeralIntentResolver 10794 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10795 @Override 10796 protected EphemeralResolveIntentInfo[] newArray(int size) { 10797 return new EphemeralResolveIntentInfo[size]; 10798 } 10799 10800 @Override 10801 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10802 return true; 10803 } 10804 10805 @Override 10806 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10807 int userId) { 10808 if (!sUserManager.exists(userId)) { 10809 return null; 10810 } 10811 return info.getEphemeralResolveInfo(); 10812 } 10813 } 10814 10815 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10816 new Comparator<ResolveInfo>() { 10817 public int compare(ResolveInfo r1, ResolveInfo r2) { 10818 int v1 = r1.priority; 10819 int v2 = r2.priority; 10820 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10821 if (v1 != v2) { 10822 return (v1 > v2) ? -1 : 1; 10823 } 10824 v1 = r1.preferredOrder; 10825 v2 = r2.preferredOrder; 10826 if (v1 != v2) { 10827 return (v1 > v2) ? -1 : 1; 10828 } 10829 if (r1.isDefault != r2.isDefault) { 10830 return r1.isDefault ? -1 : 1; 10831 } 10832 v1 = r1.match; 10833 v2 = r2.match; 10834 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10835 if (v1 != v2) { 10836 return (v1 > v2) ? -1 : 1; 10837 } 10838 if (r1.system != r2.system) { 10839 return r1.system ? -1 : 1; 10840 } 10841 if (r1.activityInfo != null) { 10842 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10843 } 10844 if (r1.serviceInfo != null) { 10845 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10846 } 10847 if (r1.providerInfo != null) { 10848 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10849 } 10850 return 0; 10851 } 10852 }; 10853 10854 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10855 new Comparator<ProviderInfo>() { 10856 public int compare(ProviderInfo p1, ProviderInfo p2) { 10857 final int v1 = p1.initOrder; 10858 final int v2 = p2.initOrder; 10859 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10860 } 10861 }; 10862 10863 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10864 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10865 final int[] userIds) { 10866 mHandler.post(new Runnable() { 10867 @Override 10868 public void run() { 10869 try { 10870 final IActivityManager am = ActivityManagerNative.getDefault(); 10871 if (am == null) return; 10872 final int[] resolvedUserIds; 10873 if (userIds == null) { 10874 resolvedUserIds = am.getRunningUserIds(); 10875 } else { 10876 resolvedUserIds = userIds; 10877 } 10878 for (int id : resolvedUserIds) { 10879 final Intent intent = new Intent(action, 10880 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10881 if (extras != null) { 10882 intent.putExtras(extras); 10883 } 10884 if (targetPkg != null) { 10885 intent.setPackage(targetPkg); 10886 } 10887 // Modify the UID when posting to other users 10888 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10889 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10890 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10891 intent.putExtra(Intent.EXTRA_UID, uid); 10892 } 10893 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10894 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10895 if (DEBUG_BROADCASTS) { 10896 RuntimeException here = new RuntimeException("here"); 10897 here.fillInStackTrace(); 10898 Slog.d(TAG, "Sending to user " + id + ": " 10899 + intent.toShortString(false, true, false, false) 10900 + " " + intent.getExtras(), here); 10901 } 10902 am.broadcastIntent(null, intent, null, finishedReceiver, 10903 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10904 null, finishedReceiver != null, false, id); 10905 } 10906 } catch (RemoteException ex) { 10907 } 10908 } 10909 }); 10910 } 10911 10912 /** 10913 * Check if the external storage media is available. This is true if there 10914 * is a mounted external storage medium or if the external storage is 10915 * emulated. 10916 */ 10917 private boolean isExternalMediaAvailable() { 10918 return mMediaMounted || Environment.isExternalStorageEmulated(); 10919 } 10920 10921 @Override 10922 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10923 // writer 10924 synchronized (mPackages) { 10925 if (!isExternalMediaAvailable()) { 10926 // If the external storage is no longer mounted at this point, 10927 // the caller may not have been able to delete all of this 10928 // packages files and can not delete any more. Bail. 10929 return null; 10930 } 10931 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10932 if (lastPackage != null) { 10933 pkgs.remove(lastPackage); 10934 } 10935 if (pkgs.size() > 0) { 10936 return pkgs.get(0); 10937 } 10938 } 10939 return null; 10940 } 10941 10942 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10943 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10944 userId, andCode ? 1 : 0, packageName); 10945 if (mSystemReady) { 10946 msg.sendToTarget(); 10947 } else { 10948 if (mPostSystemReadyMessages == null) { 10949 mPostSystemReadyMessages = new ArrayList<>(); 10950 } 10951 mPostSystemReadyMessages.add(msg); 10952 } 10953 } 10954 10955 void startCleaningPackages() { 10956 // reader 10957 if (!isExternalMediaAvailable()) { 10958 return; 10959 } 10960 synchronized (mPackages) { 10961 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10962 return; 10963 } 10964 } 10965 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10966 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10967 IActivityManager am = ActivityManagerNative.getDefault(); 10968 if (am != null) { 10969 try { 10970 am.startService(null, intent, null, mContext.getOpPackageName(), 10971 UserHandle.USER_SYSTEM); 10972 } catch (RemoteException e) { 10973 } 10974 } 10975 } 10976 10977 @Override 10978 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10979 int installFlags, String installerPackageName, int userId) { 10980 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10981 10982 final int callingUid = Binder.getCallingUid(); 10983 enforceCrossUserPermission(callingUid, userId, 10984 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10985 10986 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10987 try { 10988 if (observer != null) { 10989 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10990 } 10991 } catch (RemoteException re) { 10992 } 10993 return; 10994 } 10995 10996 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10997 installFlags |= PackageManager.INSTALL_FROM_ADB; 10998 10999 } else { 11000 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11001 // about installerPackageName. 11002 11003 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11004 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11005 } 11006 11007 UserHandle user; 11008 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11009 user = UserHandle.ALL; 11010 } else { 11011 user = new UserHandle(userId); 11012 } 11013 11014 // Only system components can circumvent runtime permissions when installing. 11015 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11016 && mContext.checkCallingOrSelfPermission(Manifest.permission 11017 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11018 throw new SecurityException("You need the " 11019 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11020 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11021 } 11022 11023 final File originFile = new File(originPath); 11024 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11025 11026 final Message msg = mHandler.obtainMessage(INIT_COPY); 11027 final VerificationInfo verificationInfo = new VerificationInfo( 11028 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11029 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11030 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11031 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11032 null /*certificates*/); 11033 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11034 msg.obj = params; 11035 11036 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11037 System.identityHashCode(msg.obj)); 11038 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11039 System.identityHashCode(msg.obj)); 11040 11041 mHandler.sendMessage(msg); 11042 } 11043 11044 void installStage(String packageName, File stagedDir, String stagedCid, 11045 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11046 String installerPackageName, int installerUid, UserHandle user, 11047 Certificate[][] certificates) { 11048 if (DEBUG_EPHEMERAL) { 11049 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11050 Slog.d(TAG, "Ephemeral install of " + packageName); 11051 } 11052 } 11053 final VerificationInfo verificationInfo = new VerificationInfo( 11054 sessionParams.originatingUri, sessionParams.referrerUri, 11055 sessionParams.originatingUid, installerUid); 11056 11057 final OriginInfo origin; 11058 if (stagedDir != null) { 11059 origin = OriginInfo.fromStagedFile(stagedDir); 11060 } else { 11061 origin = OriginInfo.fromStagedContainer(stagedCid); 11062 } 11063 11064 final Message msg = mHandler.obtainMessage(INIT_COPY); 11065 final InstallParams params = new InstallParams(origin, null, observer, 11066 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11067 verificationInfo, user, sessionParams.abiOverride, 11068 sessionParams.grantedRuntimePermissions, certificates); 11069 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11070 msg.obj = params; 11071 11072 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11073 System.identityHashCode(msg.obj)); 11074 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11075 System.identityHashCode(msg.obj)); 11076 11077 mHandler.sendMessage(msg); 11078 } 11079 11080 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11081 int userId) { 11082 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11083 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11084 } 11085 11086 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11087 int appId, int userId) { 11088 Bundle extras = new Bundle(1); 11089 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11090 11091 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11092 packageName, extras, 0, null, null, new int[] {userId}); 11093 try { 11094 IActivityManager am = ActivityManagerNative.getDefault(); 11095 if (isSystem && am.isUserRunning(userId, 0)) { 11096 // The just-installed/enabled app is bundled on the system, so presumed 11097 // to be able to run automatically without needing an explicit launch. 11098 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11099 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11100 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11101 .setPackage(packageName); 11102 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11103 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11104 } 11105 } catch (RemoteException e) { 11106 // shouldn't happen 11107 Slog.w(TAG, "Unable to bootstrap installed package", e); 11108 } 11109 } 11110 11111 @Override 11112 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11113 int userId) { 11114 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11115 PackageSetting pkgSetting; 11116 final int uid = Binder.getCallingUid(); 11117 enforceCrossUserPermission(uid, userId, 11118 true /* requireFullPermission */, true /* checkShell */, 11119 "setApplicationHiddenSetting for user " + userId); 11120 11121 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11122 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11123 return false; 11124 } 11125 11126 long callingId = Binder.clearCallingIdentity(); 11127 try { 11128 boolean sendAdded = false; 11129 boolean sendRemoved = false; 11130 // writer 11131 synchronized (mPackages) { 11132 pkgSetting = mSettings.mPackages.get(packageName); 11133 if (pkgSetting == null) { 11134 return false; 11135 } 11136 if (pkgSetting.getHidden(userId) != hidden) { 11137 pkgSetting.setHidden(hidden, userId); 11138 mSettings.writePackageRestrictionsLPr(userId); 11139 if (hidden) { 11140 sendRemoved = true; 11141 } else { 11142 sendAdded = true; 11143 } 11144 } 11145 } 11146 if (sendAdded) { 11147 sendPackageAddedForUser(packageName, pkgSetting, userId); 11148 return true; 11149 } 11150 if (sendRemoved) { 11151 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11152 "hiding pkg"); 11153 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11154 return true; 11155 } 11156 } finally { 11157 Binder.restoreCallingIdentity(callingId); 11158 } 11159 return false; 11160 } 11161 11162 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11163 int userId) { 11164 final PackageRemovedInfo info = new PackageRemovedInfo(); 11165 info.removedPackage = packageName; 11166 info.removedUsers = new int[] {userId}; 11167 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11168 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11169 } 11170 11171 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11172 if (pkgList.length > 0) { 11173 Bundle extras = new Bundle(1); 11174 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11175 11176 sendPackageBroadcast( 11177 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11178 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11179 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11180 new int[] {userId}); 11181 } 11182 } 11183 11184 /** 11185 * Returns true if application is not found or there was an error. Otherwise it returns 11186 * the hidden state of the package for the given user. 11187 */ 11188 @Override 11189 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11190 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11191 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11192 true /* requireFullPermission */, false /* checkShell */, 11193 "getApplicationHidden for user " + userId); 11194 PackageSetting pkgSetting; 11195 long callingId = Binder.clearCallingIdentity(); 11196 try { 11197 // writer 11198 synchronized (mPackages) { 11199 pkgSetting = mSettings.mPackages.get(packageName); 11200 if (pkgSetting == null) { 11201 return true; 11202 } 11203 return pkgSetting.getHidden(userId); 11204 } 11205 } finally { 11206 Binder.restoreCallingIdentity(callingId); 11207 } 11208 } 11209 11210 /** 11211 * @hide 11212 */ 11213 @Override 11214 public int installExistingPackageAsUser(String packageName, int userId) { 11215 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11216 null); 11217 PackageSetting pkgSetting; 11218 final int uid = Binder.getCallingUid(); 11219 enforceCrossUserPermission(uid, userId, 11220 true /* requireFullPermission */, true /* checkShell */, 11221 "installExistingPackage for user " + userId); 11222 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11223 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11224 } 11225 11226 long callingId = Binder.clearCallingIdentity(); 11227 try { 11228 boolean installed = false; 11229 11230 // writer 11231 synchronized (mPackages) { 11232 pkgSetting = mSettings.mPackages.get(packageName); 11233 if (pkgSetting == null) { 11234 return PackageManager.INSTALL_FAILED_INVALID_URI; 11235 } 11236 if (!pkgSetting.getInstalled(userId)) { 11237 pkgSetting.setInstalled(true, userId); 11238 pkgSetting.setHidden(false, userId); 11239 mSettings.writePackageRestrictionsLPr(userId); 11240 installed = true; 11241 } 11242 } 11243 11244 if (installed) { 11245 if (pkgSetting.pkg != null) { 11246 synchronized (mInstallLock) { 11247 // We don't need to freeze for a brand new install 11248 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11249 } 11250 } 11251 sendPackageAddedForUser(packageName, pkgSetting, userId); 11252 } 11253 } finally { 11254 Binder.restoreCallingIdentity(callingId); 11255 } 11256 11257 return PackageManager.INSTALL_SUCCEEDED; 11258 } 11259 11260 boolean isUserRestricted(int userId, String restrictionKey) { 11261 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11262 if (restrictions.getBoolean(restrictionKey, false)) { 11263 Log.w(TAG, "User is restricted: " + restrictionKey); 11264 return true; 11265 } 11266 return false; 11267 } 11268 11269 @Override 11270 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11271 int userId) { 11272 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11273 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11274 true /* requireFullPermission */, true /* checkShell */, 11275 "setPackagesSuspended for user " + userId); 11276 11277 if (ArrayUtils.isEmpty(packageNames)) { 11278 return packageNames; 11279 } 11280 11281 // List of package names for whom the suspended state has changed. 11282 List<String> changedPackages = new ArrayList<>(packageNames.length); 11283 // List of package names for whom the suspended state is not set as requested in this 11284 // method. 11285 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11286 for (int i = 0; i < packageNames.length; i++) { 11287 String packageName = packageNames[i]; 11288 long callingId = Binder.clearCallingIdentity(); 11289 try { 11290 boolean changed = false; 11291 final int appId; 11292 synchronized (mPackages) { 11293 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11294 if (pkgSetting == null) { 11295 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11296 + "\". Skipping suspending/un-suspending."); 11297 unactionedPackages.add(packageName); 11298 continue; 11299 } 11300 appId = pkgSetting.appId; 11301 if (pkgSetting.getSuspended(userId) != suspended) { 11302 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11303 unactionedPackages.add(packageName); 11304 continue; 11305 } 11306 pkgSetting.setSuspended(suspended, userId); 11307 mSettings.writePackageRestrictionsLPr(userId); 11308 changed = true; 11309 changedPackages.add(packageName); 11310 } 11311 } 11312 11313 if (changed && suspended) { 11314 killApplication(packageName, UserHandle.getUid(userId, appId), 11315 "suspending package"); 11316 } 11317 } finally { 11318 Binder.restoreCallingIdentity(callingId); 11319 } 11320 } 11321 11322 if (!changedPackages.isEmpty()) { 11323 sendPackagesSuspendedForUser(changedPackages.toArray( 11324 new String[changedPackages.size()]), userId, suspended); 11325 } 11326 11327 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11328 } 11329 11330 @Override 11331 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11332 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11333 true /* requireFullPermission */, false /* checkShell */, 11334 "isPackageSuspendedForUser for user " + userId); 11335 synchronized (mPackages) { 11336 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11337 if (pkgSetting == null) { 11338 throw new IllegalArgumentException("Unknown target package: " + packageName); 11339 } 11340 return pkgSetting.getSuspended(userId); 11341 } 11342 } 11343 11344 /** 11345 * TODO: cache and disallow blocking the active dialer. 11346 * 11347 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11348 */ 11349 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11350 if (isPackageDeviceAdmin(packageName, userId)) { 11351 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11352 + "\": has an active device admin"); 11353 return false; 11354 } 11355 11356 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11357 if (packageName.equals(activeLauncherPackageName)) { 11358 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11359 + "\": contains the active launcher"); 11360 return false; 11361 } 11362 11363 if (packageName.equals(mRequiredInstallerPackage)) { 11364 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11365 + "\": required for package installation"); 11366 return false; 11367 } 11368 11369 if (packageName.equals(mRequiredVerifierPackage)) { 11370 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11371 + "\": required for package verification"); 11372 return false; 11373 } 11374 11375 final PackageParser.Package pkg = mPackages.get(packageName); 11376 if (pkg != null && isPrivilegedApp(pkg)) { 11377 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11378 + "\": is a privileged app"); 11379 return false; 11380 } 11381 11382 return true; 11383 } 11384 11385 private String getActiveLauncherPackageName(int userId) { 11386 Intent intent = new Intent(Intent.ACTION_MAIN); 11387 intent.addCategory(Intent.CATEGORY_HOME); 11388 ResolveInfo resolveInfo = resolveIntent( 11389 intent, 11390 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11391 PackageManager.MATCH_DEFAULT_ONLY, 11392 userId); 11393 11394 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11395 } 11396 11397 @Override 11398 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11399 mContext.enforceCallingOrSelfPermission( 11400 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11401 "Only package verification agents can verify applications"); 11402 11403 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11404 final PackageVerificationResponse response = new PackageVerificationResponse( 11405 verificationCode, Binder.getCallingUid()); 11406 msg.arg1 = id; 11407 msg.obj = response; 11408 mHandler.sendMessage(msg); 11409 } 11410 11411 @Override 11412 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11413 long millisecondsToDelay) { 11414 mContext.enforceCallingOrSelfPermission( 11415 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11416 "Only package verification agents can extend verification timeouts"); 11417 11418 final PackageVerificationState state = mPendingVerification.get(id); 11419 final PackageVerificationResponse response = new PackageVerificationResponse( 11420 verificationCodeAtTimeout, Binder.getCallingUid()); 11421 11422 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11423 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11424 } 11425 if (millisecondsToDelay < 0) { 11426 millisecondsToDelay = 0; 11427 } 11428 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11429 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11430 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11431 } 11432 11433 if ((state != null) && !state.timeoutExtended()) { 11434 state.extendTimeout(); 11435 11436 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11437 msg.arg1 = id; 11438 msg.obj = response; 11439 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11440 } 11441 } 11442 11443 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11444 int verificationCode, UserHandle user) { 11445 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11446 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11447 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11448 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11449 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11450 11451 mContext.sendBroadcastAsUser(intent, user, 11452 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11453 } 11454 11455 private ComponentName matchComponentForVerifier(String packageName, 11456 List<ResolveInfo> receivers) { 11457 ActivityInfo targetReceiver = null; 11458 11459 final int NR = receivers.size(); 11460 for (int i = 0; i < NR; i++) { 11461 final ResolveInfo info = receivers.get(i); 11462 if (info.activityInfo == null) { 11463 continue; 11464 } 11465 11466 if (packageName.equals(info.activityInfo.packageName)) { 11467 targetReceiver = info.activityInfo; 11468 break; 11469 } 11470 } 11471 11472 if (targetReceiver == null) { 11473 return null; 11474 } 11475 11476 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11477 } 11478 11479 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11480 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11481 if (pkgInfo.verifiers.length == 0) { 11482 return null; 11483 } 11484 11485 final int N = pkgInfo.verifiers.length; 11486 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11487 for (int i = 0; i < N; i++) { 11488 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11489 11490 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11491 receivers); 11492 if (comp == null) { 11493 continue; 11494 } 11495 11496 final int verifierUid = getUidForVerifier(verifierInfo); 11497 if (verifierUid == -1) { 11498 continue; 11499 } 11500 11501 if (DEBUG_VERIFY) { 11502 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11503 + " with the correct signature"); 11504 } 11505 sufficientVerifiers.add(comp); 11506 verificationState.addSufficientVerifier(verifierUid); 11507 } 11508 11509 return sufficientVerifiers; 11510 } 11511 11512 private int getUidForVerifier(VerifierInfo verifierInfo) { 11513 synchronized (mPackages) { 11514 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11515 if (pkg == null) { 11516 return -1; 11517 } else if (pkg.mSignatures.length != 1) { 11518 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11519 + " has more than one signature; ignoring"); 11520 return -1; 11521 } 11522 11523 /* 11524 * If the public key of the package's signature does not match 11525 * our expected public key, then this is a different package and 11526 * we should skip. 11527 */ 11528 11529 final byte[] expectedPublicKey; 11530 try { 11531 final Signature verifierSig = pkg.mSignatures[0]; 11532 final PublicKey publicKey = verifierSig.getPublicKey(); 11533 expectedPublicKey = publicKey.getEncoded(); 11534 } catch (CertificateException e) { 11535 return -1; 11536 } 11537 11538 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11539 11540 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11541 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11542 + " does not have the expected public key; ignoring"); 11543 return -1; 11544 } 11545 11546 return pkg.applicationInfo.uid; 11547 } 11548 } 11549 11550 @Override 11551 public void finishPackageInstall(int token) { 11552 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11553 11554 if (DEBUG_INSTALL) { 11555 Slog.v(TAG, "BM finishing package install for " + token); 11556 } 11557 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11558 11559 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11560 mHandler.sendMessage(msg); 11561 } 11562 11563 /** 11564 * Get the verification agent timeout. 11565 * 11566 * @return verification timeout in milliseconds 11567 */ 11568 private long getVerificationTimeout() { 11569 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11570 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11571 DEFAULT_VERIFICATION_TIMEOUT); 11572 } 11573 11574 /** 11575 * Get the default verification agent response code. 11576 * 11577 * @return default verification response code 11578 */ 11579 private int getDefaultVerificationResponse() { 11580 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11581 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11582 DEFAULT_VERIFICATION_RESPONSE); 11583 } 11584 11585 /** 11586 * Check whether or not package verification has been enabled. 11587 * 11588 * @return true if verification should be performed 11589 */ 11590 private boolean isVerificationEnabled(int userId, int installFlags) { 11591 if (!DEFAULT_VERIFY_ENABLE) { 11592 return false; 11593 } 11594 // Ephemeral apps don't get the full verification treatment 11595 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11596 if (DEBUG_EPHEMERAL) { 11597 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11598 } 11599 return false; 11600 } 11601 11602 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11603 11604 // Check if installing from ADB 11605 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11606 // Do not run verification in a test harness environment 11607 if (ActivityManager.isRunningInTestHarness()) { 11608 return false; 11609 } 11610 if (ensureVerifyAppsEnabled) { 11611 return true; 11612 } 11613 // Check if the developer does not want package verification for ADB installs 11614 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11615 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11616 return false; 11617 } 11618 } 11619 11620 if (ensureVerifyAppsEnabled) { 11621 return true; 11622 } 11623 11624 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11625 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11626 } 11627 11628 @Override 11629 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11630 throws RemoteException { 11631 mContext.enforceCallingOrSelfPermission( 11632 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11633 "Only intentfilter verification agents can verify applications"); 11634 11635 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11636 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11637 Binder.getCallingUid(), verificationCode, failedDomains); 11638 msg.arg1 = id; 11639 msg.obj = response; 11640 mHandler.sendMessage(msg); 11641 } 11642 11643 @Override 11644 public int getIntentVerificationStatus(String packageName, int userId) { 11645 synchronized (mPackages) { 11646 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11647 } 11648 } 11649 11650 @Override 11651 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11652 mContext.enforceCallingOrSelfPermission( 11653 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11654 11655 boolean result = false; 11656 synchronized (mPackages) { 11657 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11658 } 11659 if (result) { 11660 scheduleWritePackageRestrictionsLocked(userId); 11661 } 11662 return result; 11663 } 11664 11665 @Override 11666 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11667 String packageName) { 11668 synchronized (mPackages) { 11669 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11670 } 11671 } 11672 11673 @Override 11674 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11675 if (TextUtils.isEmpty(packageName)) { 11676 return ParceledListSlice.emptyList(); 11677 } 11678 synchronized (mPackages) { 11679 PackageParser.Package pkg = mPackages.get(packageName); 11680 if (pkg == null || pkg.activities == null) { 11681 return ParceledListSlice.emptyList(); 11682 } 11683 final int count = pkg.activities.size(); 11684 ArrayList<IntentFilter> result = new ArrayList<>(); 11685 for (int n=0; n<count; n++) { 11686 PackageParser.Activity activity = pkg.activities.get(n); 11687 if (activity.intents != null && activity.intents.size() > 0) { 11688 result.addAll(activity.intents); 11689 } 11690 } 11691 return new ParceledListSlice<>(result); 11692 } 11693 } 11694 11695 @Override 11696 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11697 mContext.enforceCallingOrSelfPermission( 11698 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11699 11700 synchronized (mPackages) { 11701 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11702 if (packageName != null) { 11703 result |= updateIntentVerificationStatus(packageName, 11704 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11705 userId); 11706 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11707 packageName, userId); 11708 } 11709 return result; 11710 } 11711 } 11712 11713 @Override 11714 public String getDefaultBrowserPackageName(int userId) { 11715 synchronized (mPackages) { 11716 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11717 } 11718 } 11719 11720 /** 11721 * Get the "allow unknown sources" setting. 11722 * 11723 * @return the current "allow unknown sources" setting 11724 */ 11725 private int getUnknownSourcesSettings() { 11726 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11727 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11728 -1); 11729 } 11730 11731 @Override 11732 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11733 final int uid = Binder.getCallingUid(); 11734 // writer 11735 synchronized (mPackages) { 11736 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11737 if (targetPackageSetting == null) { 11738 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11739 } 11740 11741 PackageSetting installerPackageSetting; 11742 if (installerPackageName != null) { 11743 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11744 if (installerPackageSetting == null) { 11745 throw new IllegalArgumentException("Unknown installer package: " 11746 + installerPackageName); 11747 } 11748 } else { 11749 installerPackageSetting = null; 11750 } 11751 11752 Signature[] callerSignature; 11753 Object obj = mSettings.getUserIdLPr(uid); 11754 if (obj != null) { 11755 if (obj instanceof SharedUserSetting) { 11756 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11757 } else if (obj instanceof PackageSetting) { 11758 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11759 } else { 11760 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11761 } 11762 } else { 11763 throw new SecurityException("Unknown calling UID: " + uid); 11764 } 11765 11766 // Verify: can't set installerPackageName to a package that is 11767 // not signed with the same cert as the caller. 11768 if (installerPackageSetting != null) { 11769 if (compareSignatures(callerSignature, 11770 installerPackageSetting.signatures.mSignatures) 11771 != PackageManager.SIGNATURE_MATCH) { 11772 throw new SecurityException( 11773 "Caller does not have same cert as new installer package " 11774 + installerPackageName); 11775 } 11776 } 11777 11778 // Verify: if target already has an installer package, it must 11779 // be signed with the same cert as the caller. 11780 if (targetPackageSetting.installerPackageName != null) { 11781 PackageSetting setting = mSettings.mPackages.get( 11782 targetPackageSetting.installerPackageName); 11783 // If the currently set package isn't valid, then it's always 11784 // okay to change it. 11785 if (setting != null) { 11786 if (compareSignatures(callerSignature, 11787 setting.signatures.mSignatures) 11788 != PackageManager.SIGNATURE_MATCH) { 11789 throw new SecurityException( 11790 "Caller does not have same cert as old installer package " 11791 + targetPackageSetting.installerPackageName); 11792 } 11793 } 11794 } 11795 11796 // Okay! 11797 targetPackageSetting.installerPackageName = installerPackageName; 11798 if (installerPackageName != null) { 11799 mSettings.mInstallerPackages.add(installerPackageName); 11800 } 11801 scheduleWriteSettingsLocked(); 11802 } 11803 } 11804 11805 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11806 // Queue up an async operation since the package installation may take a little while. 11807 mHandler.post(new Runnable() { 11808 public void run() { 11809 mHandler.removeCallbacks(this); 11810 // Result object to be returned 11811 PackageInstalledInfo res = new PackageInstalledInfo(); 11812 res.setReturnCode(currentStatus); 11813 res.uid = -1; 11814 res.pkg = null; 11815 res.removedInfo = null; 11816 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11817 args.doPreInstall(res.returnCode); 11818 synchronized (mInstallLock) { 11819 installPackageTracedLI(args, res); 11820 } 11821 args.doPostInstall(res.returnCode, res.uid); 11822 } 11823 11824 // A restore should be performed at this point if (a) the install 11825 // succeeded, (b) the operation is not an update, and (c) the new 11826 // package has not opted out of backup participation. 11827 final boolean update = res.removedInfo != null 11828 && res.removedInfo.removedPackage != null; 11829 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11830 boolean doRestore = !update 11831 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11832 11833 // Set up the post-install work request bookkeeping. This will be used 11834 // and cleaned up by the post-install event handling regardless of whether 11835 // there's a restore pass performed. Token values are >= 1. 11836 int token; 11837 if (mNextInstallToken < 0) mNextInstallToken = 1; 11838 token = mNextInstallToken++; 11839 11840 PostInstallData data = new PostInstallData(args, res); 11841 mRunningInstalls.put(token, data); 11842 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11843 11844 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11845 // Pass responsibility to the Backup Manager. It will perform a 11846 // restore if appropriate, then pass responsibility back to the 11847 // Package Manager to run the post-install observer callbacks 11848 // and broadcasts. 11849 IBackupManager bm = IBackupManager.Stub.asInterface( 11850 ServiceManager.getService(Context.BACKUP_SERVICE)); 11851 if (bm != null) { 11852 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11853 + " to BM for possible restore"); 11854 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11855 try { 11856 // TODO: http://b/22388012 11857 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11858 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11859 } else { 11860 doRestore = false; 11861 } 11862 } catch (RemoteException e) { 11863 // can't happen; the backup manager is local 11864 } catch (Exception e) { 11865 Slog.e(TAG, "Exception trying to enqueue restore", e); 11866 doRestore = false; 11867 } 11868 } else { 11869 Slog.e(TAG, "Backup Manager not found!"); 11870 doRestore = false; 11871 } 11872 } 11873 11874 if (!doRestore) { 11875 // No restore possible, or the Backup Manager was mysteriously not 11876 // available -- just fire the post-install work request directly. 11877 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11878 11879 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11880 11881 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11882 mHandler.sendMessage(msg); 11883 } 11884 } 11885 }); 11886 } 11887 11888 private abstract class HandlerParams { 11889 private static final int MAX_RETRIES = 4; 11890 11891 /** 11892 * Number of times startCopy() has been attempted and had a non-fatal 11893 * error. 11894 */ 11895 private int mRetries = 0; 11896 11897 /** User handle for the user requesting the information or installation. */ 11898 private final UserHandle mUser; 11899 String traceMethod; 11900 int traceCookie; 11901 11902 HandlerParams(UserHandle user) { 11903 mUser = user; 11904 } 11905 11906 UserHandle getUser() { 11907 return mUser; 11908 } 11909 11910 HandlerParams setTraceMethod(String traceMethod) { 11911 this.traceMethod = traceMethod; 11912 return this; 11913 } 11914 11915 HandlerParams setTraceCookie(int traceCookie) { 11916 this.traceCookie = traceCookie; 11917 return this; 11918 } 11919 11920 final boolean startCopy() { 11921 boolean res; 11922 try { 11923 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11924 11925 if (++mRetries > MAX_RETRIES) { 11926 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11927 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11928 handleServiceError(); 11929 return false; 11930 } else { 11931 handleStartCopy(); 11932 res = true; 11933 } 11934 } catch (RemoteException e) { 11935 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11936 mHandler.sendEmptyMessage(MCS_RECONNECT); 11937 res = false; 11938 } 11939 handleReturnCode(); 11940 return res; 11941 } 11942 11943 final void serviceError() { 11944 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11945 handleServiceError(); 11946 handleReturnCode(); 11947 } 11948 11949 abstract void handleStartCopy() throws RemoteException; 11950 abstract void handleServiceError(); 11951 abstract void handleReturnCode(); 11952 } 11953 11954 class MeasureParams extends HandlerParams { 11955 private final PackageStats mStats; 11956 private boolean mSuccess; 11957 11958 private final IPackageStatsObserver mObserver; 11959 11960 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11961 super(new UserHandle(stats.userHandle)); 11962 mObserver = observer; 11963 mStats = stats; 11964 } 11965 11966 @Override 11967 public String toString() { 11968 return "MeasureParams{" 11969 + Integer.toHexString(System.identityHashCode(this)) 11970 + " " + mStats.packageName + "}"; 11971 } 11972 11973 @Override 11974 void handleStartCopy() throws RemoteException { 11975 synchronized (mInstallLock) { 11976 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11977 } 11978 11979 if (mSuccess) { 11980 final boolean mounted; 11981 if (Environment.isExternalStorageEmulated()) { 11982 mounted = true; 11983 } else { 11984 final String status = Environment.getExternalStorageState(); 11985 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11986 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11987 } 11988 11989 if (mounted) { 11990 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11991 11992 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11993 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11994 11995 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11996 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11997 11998 // Always subtract cache size, since it's a subdirectory 11999 mStats.externalDataSize -= mStats.externalCacheSize; 12000 12001 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12002 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12003 12004 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12005 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12006 } 12007 } 12008 } 12009 12010 @Override 12011 void handleReturnCode() { 12012 if (mObserver != null) { 12013 try { 12014 mObserver.onGetStatsCompleted(mStats, mSuccess); 12015 } catch (RemoteException e) { 12016 Slog.i(TAG, "Observer no longer exists."); 12017 } 12018 } 12019 } 12020 12021 @Override 12022 void handleServiceError() { 12023 Slog.e(TAG, "Could not measure application " + mStats.packageName 12024 + " external storage"); 12025 } 12026 } 12027 12028 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12029 throws RemoteException { 12030 long result = 0; 12031 for (File path : paths) { 12032 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12033 } 12034 return result; 12035 } 12036 12037 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12038 for (File path : paths) { 12039 try { 12040 mcs.clearDirectory(path.getAbsolutePath()); 12041 } catch (RemoteException e) { 12042 } 12043 } 12044 } 12045 12046 static class OriginInfo { 12047 /** 12048 * Location where install is coming from, before it has been 12049 * copied/renamed into place. This could be a single monolithic APK 12050 * file, or a cluster directory. This location may be untrusted. 12051 */ 12052 final File file; 12053 final String cid; 12054 12055 /** 12056 * Flag indicating that {@link #file} or {@link #cid} has already been 12057 * staged, meaning downstream users don't need to defensively copy the 12058 * contents. 12059 */ 12060 final boolean staged; 12061 12062 /** 12063 * Flag indicating that {@link #file} or {@link #cid} is an already 12064 * installed app that is being moved. 12065 */ 12066 final boolean existing; 12067 12068 final String resolvedPath; 12069 final File resolvedFile; 12070 12071 static OriginInfo fromNothing() { 12072 return new OriginInfo(null, null, false, false); 12073 } 12074 12075 static OriginInfo fromUntrustedFile(File file) { 12076 return new OriginInfo(file, null, false, false); 12077 } 12078 12079 static OriginInfo fromExistingFile(File file) { 12080 return new OriginInfo(file, null, false, true); 12081 } 12082 12083 static OriginInfo fromStagedFile(File file) { 12084 return new OriginInfo(file, null, true, false); 12085 } 12086 12087 static OriginInfo fromStagedContainer(String cid) { 12088 return new OriginInfo(null, cid, true, false); 12089 } 12090 12091 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12092 this.file = file; 12093 this.cid = cid; 12094 this.staged = staged; 12095 this.existing = existing; 12096 12097 if (cid != null) { 12098 resolvedPath = PackageHelper.getSdDir(cid); 12099 resolvedFile = new File(resolvedPath); 12100 } else if (file != null) { 12101 resolvedPath = file.getAbsolutePath(); 12102 resolvedFile = file; 12103 } else { 12104 resolvedPath = null; 12105 resolvedFile = null; 12106 } 12107 } 12108 } 12109 12110 static class MoveInfo { 12111 final int moveId; 12112 final String fromUuid; 12113 final String toUuid; 12114 final String packageName; 12115 final String dataAppName; 12116 final int appId; 12117 final String seinfo; 12118 final int targetSdkVersion; 12119 12120 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12121 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12122 this.moveId = moveId; 12123 this.fromUuid = fromUuid; 12124 this.toUuid = toUuid; 12125 this.packageName = packageName; 12126 this.dataAppName = dataAppName; 12127 this.appId = appId; 12128 this.seinfo = seinfo; 12129 this.targetSdkVersion = targetSdkVersion; 12130 } 12131 } 12132 12133 static class VerificationInfo { 12134 /** A constant used to indicate that a uid value is not present. */ 12135 public static final int NO_UID = -1; 12136 12137 /** URI referencing where the package was downloaded from. */ 12138 final Uri originatingUri; 12139 12140 /** HTTP referrer URI associated with the originatingURI. */ 12141 final Uri referrer; 12142 12143 /** UID of the application that the install request originated from. */ 12144 final int originatingUid; 12145 12146 /** UID of application requesting the install */ 12147 final int installerUid; 12148 12149 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12150 this.originatingUri = originatingUri; 12151 this.referrer = referrer; 12152 this.originatingUid = originatingUid; 12153 this.installerUid = installerUid; 12154 } 12155 } 12156 12157 class InstallParams extends HandlerParams { 12158 final OriginInfo origin; 12159 final MoveInfo move; 12160 final IPackageInstallObserver2 observer; 12161 int installFlags; 12162 final String installerPackageName; 12163 final String volumeUuid; 12164 private InstallArgs mArgs; 12165 private int mRet; 12166 final String packageAbiOverride; 12167 final String[] grantedRuntimePermissions; 12168 final VerificationInfo verificationInfo; 12169 final Certificate[][] certificates; 12170 12171 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12172 int installFlags, String installerPackageName, String volumeUuid, 12173 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12174 String[] grantedPermissions, Certificate[][] certificates) { 12175 super(user); 12176 this.origin = origin; 12177 this.move = move; 12178 this.observer = observer; 12179 this.installFlags = installFlags; 12180 this.installerPackageName = installerPackageName; 12181 this.volumeUuid = volumeUuid; 12182 this.verificationInfo = verificationInfo; 12183 this.packageAbiOverride = packageAbiOverride; 12184 this.grantedRuntimePermissions = grantedPermissions; 12185 this.certificates = certificates; 12186 } 12187 12188 @Override 12189 public String toString() { 12190 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12191 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12192 } 12193 12194 private int installLocationPolicy(PackageInfoLite pkgLite) { 12195 String packageName = pkgLite.packageName; 12196 int installLocation = pkgLite.installLocation; 12197 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12198 // reader 12199 synchronized (mPackages) { 12200 // Currently installed package which the new package is attempting to replace or 12201 // null if no such package is installed. 12202 PackageParser.Package installedPkg = mPackages.get(packageName); 12203 // Package which currently owns the data which the new package will own if installed. 12204 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12205 // will be null whereas dataOwnerPkg will contain information about the package 12206 // which was uninstalled while keeping its data. 12207 PackageParser.Package dataOwnerPkg = installedPkg; 12208 if (dataOwnerPkg == null) { 12209 PackageSetting ps = mSettings.mPackages.get(packageName); 12210 if (ps != null) { 12211 dataOwnerPkg = ps.pkg; 12212 } 12213 } 12214 12215 if (dataOwnerPkg != null) { 12216 // If installed, the package will get access to data left on the device by its 12217 // predecessor. As a security measure, this is permited only if this is not a 12218 // version downgrade or if the predecessor package is marked as debuggable and 12219 // a downgrade is explicitly requested. 12220 // 12221 // On debuggable platform builds, downgrades are permitted even for 12222 // non-debuggable packages to make testing easier. Debuggable platform builds do 12223 // not offer security guarantees and thus it's OK to disable some security 12224 // mechanisms to make debugging/testing easier on those builds. However, even on 12225 // debuggable builds downgrades of packages are permitted only if requested via 12226 // installFlags. This is because we aim to keep the behavior of debuggable 12227 // platform builds as close as possible to the behavior of non-debuggable 12228 // platform builds. 12229 final boolean downgradeRequested = 12230 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12231 final boolean packageDebuggable = 12232 (dataOwnerPkg.applicationInfo.flags 12233 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12234 final boolean downgradePermitted = 12235 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12236 if (!downgradePermitted) { 12237 try { 12238 checkDowngrade(dataOwnerPkg, pkgLite); 12239 } catch (PackageManagerException e) { 12240 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12241 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12242 } 12243 } 12244 } 12245 12246 if (installedPkg != null) { 12247 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12248 // Check for updated system application. 12249 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12250 if (onSd) { 12251 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12252 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12253 } 12254 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12255 } else { 12256 if (onSd) { 12257 // Install flag overrides everything. 12258 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12259 } 12260 // If current upgrade specifies particular preference 12261 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12262 // Application explicitly specified internal. 12263 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12264 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12265 // App explictly prefers external. Let policy decide 12266 } else { 12267 // Prefer previous location 12268 if (isExternal(installedPkg)) { 12269 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12270 } 12271 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12272 } 12273 } 12274 } else { 12275 // Invalid install. Return error code 12276 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12277 } 12278 } 12279 } 12280 // All the special cases have been taken care of. 12281 // Return result based on recommended install location. 12282 if (onSd) { 12283 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12284 } 12285 return pkgLite.recommendedInstallLocation; 12286 } 12287 12288 /* 12289 * Invoke remote method to get package information and install 12290 * location values. Override install location based on default 12291 * policy if needed and then create install arguments based 12292 * on the install location. 12293 */ 12294 public void handleStartCopy() throws RemoteException { 12295 int ret = PackageManager.INSTALL_SUCCEEDED; 12296 12297 // If we're already staged, we've firmly committed to an install location 12298 if (origin.staged) { 12299 if (origin.file != null) { 12300 installFlags |= PackageManager.INSTALL_INTERNAL; 12301 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12302 } else if (origin.cid != null) { 12303 installFlags |= PackageManager.INSTALL_EXTERNAL; 12304 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12305 } else { 12306 throw new IllegalStateException("Invalid stage location"); 12307 } 12308 } 12309 12310 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12311 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12312 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12313 PackageInfoLite pkgLite = null; 12314 12315 if (onInt && onSd) { 12316 // Check if both bits are set. 12317 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12318 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12319 } else if (onSd && ephemeral) { 12320 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12321 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12322 } else { 12323 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12324 packageAbiOverride); 12325 12326 if (DEBUG_EPHEMERAL && ephemeral) { 12327 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12328 } 12329 12330 /* 12331 * If we have too little free space, try to free cache 12332 * before giving up. 12333 */ 12334 if (!origin.staged && pkgLite.recommendedInstallLocation 12335 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12336 // TODO: focus freeing disk space on the target device 12337 final StorageManager storage = StorageManager.from(mContext); 12338 final long lowThreshold = storage.getStorageLowBytes( 12339 Environment.getDataDirectory()); 12340 12341 final long sizeBytes = mContainerService.calculateInstalledSize( 12342 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12343 12344 try { 12345 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12346 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12347 installFlags, packageAbiOverride); 12348 } catch (InstallerException e) { 12349 Slog.w(TAG, "Failed to free cache", e); 12350 } 12351 12352 /* 12353 * The cache free must have deleted the file we 12354 * downloaded to install. 12355 * 12356 * TODO: fix the "freeCache" call to not delete 12357 * the file we care about. 12358 */ 12359 if (pkgLite.recommendedInstallLocation 12360 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12361 pkgLite.recommendedInstallLocation 12362 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12363 } 12364 } 12365 } 12366 12367 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12368 int loc = pkgLite.recommendedInstallLocation; 12369 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12370 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12371 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12372 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12373 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12374 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12375 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12376 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12377 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12378 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12379 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12380 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12381 } else { 12382 // Override with defaults if needed. 12383 loc = installLocationPolicy(pkgLite); 12384 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12385 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12386 } else if (!onSd && !onInt) { 12387 // Override install location with flags 12388 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12389 // Set the flag to install on external media. 12390 installFlags |= PackageManager.INSTALL_EXTERNAL; 12391 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12392 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12393 if (DEBUG_EPHEMERAL) { 12394 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12395 } 12396 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12397 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12398 |PackageManager.INSTALL_INTERNAL); 12399 } else { 12400 // Make sure the flag for installing on external 12401 // media is unset 12402 installFlags |= PackageManager.INSTALL_INTERNAL; 12403 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12404 } 12405 } 12406 } 12407 } 12408 12409 final InstallArgs args = createInstallArgs(this); 12410 mArgs = args; 12411 12412 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12413 // TODO: http://b/22976637 12414 // Apps installed for "all" users use the device owner to verify the app 12415 UserHandle verifierUser = getUser(); 12416 if (verifierUser == UserHandle.ALL) { 12417 verifierUser = UserHandle.SYSTEM; 12418 } 12419 12420 /* 12421 * Determine if we have any installed package verifiers. If we 12422 * do, then we'll defer to them to verify the packages. 12423 */ 12424 final int requiredUid = mRequiredVerifierPackage == null ? -1 12425 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12426 verifierUser.getIdentifier()); 12427 if (!origin.existing && requiredUid != -1 12428 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12429 final Intent verification = new Intent( 12430 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12431 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12432 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12433 PACKAGE_MIME_TYPE); 12434 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12435 12436 // Query all live verifiers based on current user state 12437 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12438 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12439 12440 if (DEBUG_VERIFY) { 12441 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12442 + verification.toString() + " with " + pkgLite.verifiers.length 12443 + " optional verifiers"); 12444 } 12445 12446 final int verificationId = mPendingVerificationToken++; 12447 12448 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12449 12450 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12451 installerPackageName); 12452 12453 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12454 installFlags); 12455 12456 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12457 pkgLite.packageName); 12458 12459 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12460 pkgLite.versionCode); 12461 12462 if (verificationInfo != null) { 12463 if (verificationInfo.originatingUri != null) { 12464 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12465 verificationInfo.originatingUri); 12466 } 12467 if (verificationInfo.referrer != null) { 12468 verification.putExtra(Intent.EXTRA_REFERRER, 12469 verificationInfo.referrer); 12470 } 12471 if (verificationInfo.originatingUid >= 0) { 12472 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12473 verificationInfo.originatingUid); 12474 } 12475 if (verificationInfo.installerUid >= 0) { 12476 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12477 verificationInfo.installerUid); 12478 } 12479 } 12480 12481 final PackageVerificationState verificationState = new PackageVerificationState( 12482 requiredUid, args); 12483 12484 mPendingVerification.append(verificationId, verificationState); 12485 12486 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12487 receivers, verificationState); 12488 12489 /* 12490 * If any sufficient verifiers were listed in the package 12491 * manifest, attempt to ask them. 12492 */ 12493 if (sufficientVerifiers != null) { 12494 final int N = sufficientVerifiers.size(); 12495 if (N == 0) { 12496 Slog.i(TAG, "Additional verifiers required, but none installed."); 12497 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12498 } else { 12499 for (int i = 0; i < N; i++) { 12500 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12501 12502 final Intent sufficientIntent = new Intent(verification); 12503 sufficientIntent.setComponent(verifierComponent); 12504 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12505 } 12506 } 12507 } 12508 12509 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12510 mRequiredVerifierPackage, receivers); 12511 if (ret == PackageManager.INSTALL_SUCCEEDED 12512 && mRequiredVerifierPackage != null) { 12513 Trace.asyncTraceBegin( 12514 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12515 /* 12516 * Send the intent to the required verification agent, 12517 * but only start the verification timeout after the 12518 * target BroadcastReceivers have run. 12519 */ 12520 verification.setComponent(requiredVerifierComponent); 12521 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12522 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12523 new BroadcastReceiver() { 12524 @Override 12525 public void onReceive(Context context, Intent intent) { 12526 final Message msg = mHandler 12527 .obtainMessage(CHECK_PENDING_VERIFICATION); 12528 msg.arg1 = verificationId; 12529 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12530 } 12531 }, null, 0, null, null); 12532 12533 /* 12534 * We don't want the copy to proceed until verification 12535 * succeeds, so null out this field. 12536 */ 12537 mArgs = null; 12538 } 12539 } else { 12540 /* 12541 * No package verification is enabled, so immediately start 12542 * the remote call to initiate copy using temporary file. 12543 */ 12544 ret = args.copyApk(mContainerService, true); 12545 } 12546 } 12547 12548 mRet = ret; 12549 } 12550 12551 @Override 12552 void handleReturnCode() { 12553 // If mArgs is null, then MCS couldn't be reached. When it 12554 // reconnects, it will try again to install. At that point, this 12555 // will succeed. 12556 if (mArgs != null) { 12557 processPendingInstall(mArgs, mRet); 12558 } 12559 } 12560 12561 @Override 12562 void handleServiceError() { 12563 mArgs = createInstallArgs(this); 12564 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12565 } 12566 12567 public boolean isForwardLocked() { 12568 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12569 } 12570 } 12571 12572 /** 12573 * Used during creation of InstallArgs 12574 * 12575 * @param installFlags package installation flags 12576 * @return true if should be installed on external storage 12577 */ 12578 private static boolean installOnExternalAsec(int installFlags) { 12579 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12580 return false; 12581 } 12582 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12583 return true; 12584 } 12585 return false; 12586 } 12587 12588 /** 12589 * Used during creation of InstallArgs 12590 * 12591 * @param installFlags package installation flags 12592 * @return true if should be installed as forward locked 12593 */ 12594 private static boolean installForwardLocked(int installFlags) { 12595 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12596 } 12597 12598 private InstallArgs createInstallArgs(InstallParams params) { 12599 if (params.move != null) { 12600 return new MoveInstallArgs(params); 12601 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12602 return new AsecInstallArgs(params); 12603 } else { 12604 return new FileInstallArgs(params); 12605 } 12606 } 12607 12608 /** 12609 * Create args that describe an existing installed package. Typically used 12610 * when cleaning up old installs, or used as a move source. 12611 */ 12612 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12613 String resourcePath, String[] instructionSets) { 12614 final boolean isInAsec; 12615 if (installOnExternalAsec(installFlags)) { 12616 /* Apps on SD card are always in ASEC containers. */ 12617 isInAsec = true; 12618 } else if (installForwardLocked(installFlags) 12619 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12620 /* 12621 * Forward-locked apps are only in ASEC containers if they're the 12622 * new style 12623 */ 12624 isInAsec = true; 12625 } else { 12626 isInAsec = false; 12627 } 12628 12629 if (isInAsec) { 12630 return new AsecInstallArgs(codePath, instructionSets, 12631 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12632 } else { 12633 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12634 } 12635 } 12636 12637 static abstract class InstallArgs { 12638 /** @see InstallParams#origin */ 12639 final OriginInfo origin; 12640 /** @see InstallParams#move */ 12641 final MoveInfo move; 12642 12643 final IPackageInstallObserver2 observer; 12644 // Always refers to PackageManager flags only 12645 final int installFlags; 12646 final String installerPackageName; 12647 final String volumeUuid; 12648 final UserHandle user; 12649 final String abiOverride; 12650 final String[] installGrantPermissions; 12651 /** If non-null, drop an async trace when the install completes */ 12652 final String traceMethod; 12653 final int traceCookie; 12654 final Certificate[][] certificates; 12655 12656 // The list of instruction sets supported by this app. This is currently 12657 // only used during the rmdex() phase to clean up resources. We can get rid of this 12658 // if we move dex files under the common app path. 12659 /* nullable */ String[] instructionSets; 12660 12661 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12662 int installFlags, String installerPackageName, String volumeUuid, 12663 UserHandle user, String[] instructionSets, 12664 String abiOverride, String[] installGrantPermissions, 12665 String traceMethod, int traceCookie, Certificate[][] certificates) { 12666 this.origin = origin; 12667 this.move = move; 12668 this.installFlags = installFlags; 12669 this.observer = observer; 12670 this.installerPackageName = installerPackageName; 12671 this.volumeUuid = volumeUuid; 12672 this.user = user; 12673 this.instructionSets = instructionSets; 12674 this.abiOverride = abiOverride; 12675 this.installGrantPermissions = installGrantPermissions; 12676 this.traceMethod = traceMethod; 12677 this.traceCookie = traceCookie; 12678 this.certificates = certificates; 12679 } 12680 12681 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12682 abstract int doPreInstall(int status); 12683 12684 /** 12685 * Rename package into final resting place. All paths on the given 12686 * scanned package should be updated to reflect the rename. 12687 */ 12688 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12689 abstract int doPostInstall(int status, int uid); 12690 12691 /** @see PackageSettingBase#codePathString */ 12692 abstract String getCodePath(); 12693 /** @see PackageSettingBase#resourcePathString */ 12694 abstract String getResourcePath(); 12695 12696 // Need installer lock especially for dex file removal. 12697 abstract void cleanUpResourcesLI(); 12698 abstract boolean doPostDeleteLI(boolean delete); 12699 12700 /** 12701 * Called before the source arguments are copied. This is used mostly 12702 * for MoveParams when it needs to read the source file to put it in the 12703 * destination. 12704 */ 12705 int doPreCopy() { 12706 return PackageManager.INSTALL_SUCCEEDED; 12707 } 12708 12709 /** 12710 * Called after the source arguments are copied. This is used mostly for 12711 * MoveParams when it needs to read the source file to put it in the 12712 * destination. 12713 */ 12714 int doPostCopy(int uid) { 12715 return PackageManager.INSTALL_SUCCEEDED; 12716 } 12717 12718 protected boolean isFwdLocked() { 12719 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12720 } 12721 12722 protected boolean isExternalAsec() { 12723 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12724 } 12725 12726 protected boolean isEphemeral() { 12727 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12728 } 12729 12730 UserHandle getUser() { 12731 return user; 12732 } 12733 } 12734 12735 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12736 if (!allCodePaths.isEmpty()) { 12737 if (instructionSets == null) { 12738 throw new IllegalStateException("instructionSet == null"); 12739 } 12740 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12741 for (String codePath : allCodePaths) { 12742 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12743 try { 12744 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12745 } catch (InstallerException ignored) { 12746 } 12747 } 12748 } 12749 } 12750 } 12751 12752 /** 12753 * Logic to handle installation of non-ASEC applications, including copying 12754 * and renaming logic. 12755 */ 12756 class FileInstallArgs extends InstallArgs { 12757 private File codeFile; 12758 private File resourceFile; 12759 12760 // Example topology: 12761 // /data/app/com.example/base.apk 12762 // /data/app/com.example/split_foo.apk 12763 // /data/app/com.example/lib/arm/libfoo.so 12764 // /data/app/com.example/lib/arm64/libfoo.so 12765 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12766 12767 /** New install */ 12768 FileInstallArgs(InstallParams params) { 12769 super(params.origin, params.move, params.observer, params.installFlags, 12770 params.installerPackageName, params.volumeUuid, 12771 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 12772 params.grantedRuntimePermissions, 12773 params.traceMethod, params.traceCookie, params.certificates); 12774 if (isFwdLocked()) { 12775 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12776 } 12777 } 12778 12779 /** Existing install */ 12780 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12781 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12782 null, null, null, 0, null /*certificates*/); 12783 this.codeFile = (codePath != null) ? new File(codePath) : null; 12784 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12785 } 12786 12787 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12788 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12789 try { 12790 return doCopyApk(imcs, temp); 12791 } finally { 12792 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12793 } 12794 } 12795 12796 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12797 if (origin.staged) { 12798 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12799 codeFile = origin.file; 12800 resourceFile = origin.file; 12801 return PackageManager.INSTALL_SUCCEEDED; 12802 } 12803 12804 try { 12805 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12806 final File tempDir = 12807 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12808 codeFile = tempDir; 12809 resourceFile = tempDir; 12810 } catch (IOException e) { 12811 Slog.w(TAG, "Failed to create copy file: " + e); 12812 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12813 } 12814 12815 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12816 @Override 12817 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12818 if (!FileUtils.isValidExtFilename(name)) { 12819 throw new IllegalArgumentException("Invalid filename: " + name); 12820 } 12821 try { 12822 final File file = new File(codeFile, name); 12823 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12824 O_RDWR | O_CREAT, 0644); 12825 Os.chmod(file.getAbsolutePath(), 0644); 12826 return new ParcelFileDescriptor(fd); 12827 } catch (ErrnoException e) { 12828 throw new RemoteException("Failed to open: " + e.getMessage()); 12829 } 12830 } 12831 }; 12832 12833 int ret = PackageManager.INSTALL_SUCCEEDED; 12834 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12835 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12836 Slog.e(TAG, "Failed to copy package"); 12837 return ret; 12838 } 12839 12840 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12841 NativeLibraryHelper.Handle handle = null; 12842 try { 12843 handle = NativeLibraryHelper.Handle.create(codeFile); 12844 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12845 abiOverride); 12846 } catch (IOException e) { 12847 Slog.e(TAG, "Copying native libraries failed", e); 12848 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12849 } finally { 12850 IoUtils.closeQuietly(handle); 12851 } 12852 12853 return ret; 12854 } 12855 12856 int doPreInstall(int status) { 12857 if (status != PackageManager.INSTALL_SUCCEEDED) { 12858 cleanUp(); 12859 } 12860 return status; 12861 } 12862 12863 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12864 if (status != PackageManager.INSTALL_SUCCEEDED) { 12865 cleanUp(); 12866 return false; 12867 } 12868 12869 final File targetDir = codeFile.getParentFile(); 12870 final File beforeCodeFile = codeFile; 12871 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12872 12873 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12874 try { 12875 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12876 } catch (ErrnoException e) { 12877 Slog.w(TAG, "Failed to rename", e); 12878 return false; 12879 } 12880 12881 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12882 Slog.w(TAG, "Failed to restorecon"); 12883 return false; 12884 } 12885 12886 // Reflect the rename internally 12887 codeFile = afterCodeFile; 12888 resourceFile = afterCodeFile; 12889 12890 // Reflect the rename in scanned details 12891 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12892 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12893 afterCodeFile, pkg.baseCodePath)); 12894 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12895 afterCodeFile, pkg.splitCodePaths)); 12896 12897 // Reflect the rename in app info 12898 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12899 pkg.setApplicationInfoCodePath(pkg.codePath); 12900 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12901 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12902 pkg.setApplicationInfoResourcePath(pkg.codePath); 12903 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12904 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12905 12906 return true; 12907 } 12908 12909 int doPostInstall(int status, int uid) { 12910 if (status != PackageManager.INSTALL_SUCCEEDED) { 12911 cleanUp(); 12912 } 12913 return status; 12914 } 12915 12916 @Override 12917 String getCodePath() { 12918 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12919 } 12920 12921 @Override 12922 String getResourcePath() { 12923 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12924 } 12925 12926 private boolean cleanUp() { 12927 if (codeFile == null || !codeFile.exists()) { 12928 return false; 12929 } 12930 12931 removeCodePathLI(codeFile); 12932 12933 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12934 resourceFile.delete(); 12935 } 12936 12937 return true; 12938 } 12939 12940 void cleanUpResourcesLI() { 12941 // Try enumerating all code paths before deleting 12942 List<String> allCodePaths = Collections.EMPTY_LIST; 12943 if (codeFile != null && codeFile.exists()) { 12944 try { 12945 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12946 allCodePaths = pkg.getAllCodePaths(); 12947 } catch (PackageParserException e) { 12948 // Ignored; we tried our best 12949 } 12950 } 12951 12952 cleanUp(); 12953 removeDexFiles(allCodePaths, instructionSets); 12954 } 12955 12956 boolean doPostDeleteLI(boolean delete) { 12957 // XXX err, shouldn't we respect the delete flag? 12958 cleanUpResourcesLI(); 12959 return true; 12960 } 12961 } 12962 12963 private boolean isAsecExternal(String cid) { 12964 final String asecPath = PackageHelper.getSdFilesystem(cid); 12965 return !asecPath.startsWith(mAsecInternalPath); 12966 } 12967 12968 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12969 PackageManagerException { 12970 if (copyRet < 0) { 12971 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12972 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12973 throw new PackageManagerException(copyRet, message); 12974 } 12975 } 12976 } 12977 12978 /** 12979 * Extract the MountService "container ID" from the full code path of an 12980 * .apk. 12981 */ 12982 static String cidFromCodePath(String fullCodePath) { 12983 int eidx = fullCodePath.lastIndexOf("/"); 12984 String subStr1 = fullCodePath.substring(0, eidx); 12985 int sidx = subStr1.lastIndexOf("/"); 12986 return subStr1.substring(sidx+1, eidx); 12987 } 12988 12989 /** 12990 * Logic to handle installation of ASEC applications, including copying and 12991 * renaming logic. 12992 */ 12993 class AsecInstallArgs extends InstallArgs { 12994 static final String RES_FILE_NAME = "pkg.apk"; 12995 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12996 12997 String cid; 12998 String packagePath; 12999 String resourcePath; 13000 13001 /** New install */ 13002 AsecInstallArgs(InstallParams params) { 13003 super(params.origin, params.move, params.observer, params.installFlags, 13004 params.installerPackageName, params.volumeUuid, 13005 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13006 params.grantedRuntimePermissions, 13007 params.traceMethod, params.traceCookie, params.certificates); 13008 } 13009 13010 /** Existing install */ 13011 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13012 boolean isExternal, boolean isForwardLocked) { 13013 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13014 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13015 instructionSets, null, null, null, 0, null /*certificates*/); 13016 // Hackily pretend we're still looking at a full code path 13017 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13018 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13019 } 13020 13021 // Extract cid from fullCodePath 13022 int eidx = fullCodePath.lastIndexOf("/"); 13023 String subStr1 = fullCodePath.substring(0, eidx); 13024 int sidx = subStr1.lastIndexOf("/"); 13025 cid = subStr1.substring(sidx+1, eidx); 13026 setMountPath(subStr1); 13027 } 13028 13029 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13030 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13031 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13032 instructionSets, null, null, null, 0, null /*certificates*/); 13033 this.cid = cid; 13034 setMountPath(PackageHelper.getSdDir(cid)); 13035 } 13036 13037 void createCopyFile() { 13038 cid = mInstallerService.allocateExternalStageCidLegacy(); 13039 } 13040 13041 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13042 if (origin.staged && origin.cid != null) { 13043 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13044 cid = origin.cid; 13045 setMountPath(PackageHelper.getSdDir(cid)); 13046 return PackageManager.INSTALL_SUCCEEDED; 13047 } 13048 13049 if (temp) { 13050 createCopyFile(); 13051 } else { 13052 /* 13053 * Pre-emptively destroy the container since it's destroyed if 13054 * copying fails due to it existing anyway. 13055 */ 13056 PackageHelper.destroySdDir(cid); 13057 } 13058 13059 final String newMountPath = imcs.copyPackageToContainer( 13060 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13061 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13062 13063 if (newMountPath != null) { 13064 setMountPath(newMountPath); 13065 return PackageManager.INSTALL_SUCCEEDED; 13066 } else { 13067 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13068 } 13069 } 13070 13071 @Override 13072 String getCodePath() { 13073 return packagePath; 13074 } 13075 13076 @Override 13077 String getResourcePath() { 13078 return resourcePath; 13079 } 13080 13081 int doPreInstall(int status) { 13082 if (status != PackageManager.INSTALL_SUCCEEDED) { 13083 // Destroy container 13084 PackageHelper.destroySdDir(cid); 13085 } else { 13086 boolean mounted = PackageHelper.isContainerMounted(cid); 13087 if (!mounted) { 13088 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13089 Process.SYSTEM_UID); 13090 if (newMountPath != null) { 13091 setMountPath(newMountPath); 13092 } else { 13093 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13094 } 13095 } 13096 } 13097 return status; 13098 } 13099 13100 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13101 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13102 String newMountPath = null; 13103 if (PackageHelper.isContainerMounted(cid)) { 13104 // Unmount the container 13105 if (!PackageHelper.unMountSdDir(cid)) { 13106 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13107 return false; 13108 } 13109 } 13110 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13111 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13112 " which might be stale. Will try to clean up."); 13113 // Clean up the stale container and proceed to recreate. 13114 if (!PackageHelper.destroySdDir(newCacheId)) { 13115 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13116 return false; 13117 } 13118 // Successfully cleaned up stale container. Try to rename again. 13119 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13120 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13121 + " inspite of cleaning it up."); 13122 return false; 13123 } 13124 } 13125 if (!PackageHelper.isContainerMounted(newCacheId)) { 13126 Slog.w(TAG, "Mounting container " + newCacheId); 13127 newMountPath = PackageHelper.mountSdDir(newCacheId, 13128 getEncryptKey(), Process.SYSTEM_UID); 13129 } else { 13130 newMountPath = PackageHelper.getSdDir(newCacheId); 13131 } 13132 if (newMountPath == null) { 13133 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13134 return false; 13135 } 13136 Log.i(TAG, "Succesfully renamed " + cid + 13137 " to " + newCacheId + 13138 " at new path: " + newMountPath); 13139 cid = newCacheId; 13140 13141 final File beforeCodeFile = new File(packagePath); 13142 setMountPath(newMountPath); 13143 final File afterCodeFile = new File(packagePath); 13144 13145 // Reflect the rename in scanned details 13146 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13147 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13148 afterCodeFile, pkg.baseCodePath)); 13149 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13150 afterCodeFile, pkg.splitCodePaths)); 13151 13152 // Reflect the rename in app info 13153 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13154 pkg.setApplicationInfoCodePath(pkg.codePath); 13155 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13156 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13157 pkg.setApplicationInfoResourcePath(pkg.codePath); 13158 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13159 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13160 13161 return true; 13162 } 13163 13164 private void setMountPath(String mountPath) { 13165 final File mountFile = new File(mountPath); 13166 13167 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13168 if (monolithicFile.exists()) { 13169 packagePath = monolithicFile.getAbsolutePath(); 13170 if (isFwdLocked()) { 13171 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13172 } else { 13173 resourcePath = packagePath; 13174 } 13175 } else { 13176 packagePath = mountFile.getAbsolutePath(); 13177 resourcePath = packagePath; 13178 } 13179 } 13180 13181 int doPostInstall(int status, int uid) { 13182 if (status != PackageManager.INSTALL_SUCCEEDED) { 13183 cleanUp(); 13184 } else { 13185 final int groupOwner; 13186 final String protectedFile; 13187 if (isFwdLocked()) { 13188 groupOwner = UserHandle.getSharedAppGid(uid); 13189 protectedFile = RES_FILE_NAME; 13190 } else { 13191 groupOwner = -1; 13192 protectedFile = null; 13193 } 13194 13195 if (uid < Process.FIRST_APPLICATION_UID 13196 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13197 Slog.e(TAG, "Failed to finalize " + cid); 13198 PackageHelper.destroySdDir(cid); 13199 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13200 } 13201 13202 boolean mounted = PackageHelper.isContainerMounted(cid); 13203 if (!mounted) { 13204 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13205 } 13206 } 13207 return status; 13208 } 13209 13210 private void cleanUp() { 13211 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13212 13213 // Destroy secure container 13214 PackageHelper.destroySdDir(cid); 13215 } 13216 13217 private List<String> getAllCodePaths() { 13218 final File codeFile = new File(getCodePath()); 13219 if (codeFile != null && codeFile.exists()) { 13220 try { 13221 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13222 return pkg.getAllCodePaths(); 13223 } catch (PackageParserException e) { 13224 // Ignored; we tried our best 13225 } 13226 } 13227 return Collections.EMPTY_LIST; 13228 } 13229 13230 void cleanUpResourcesLI() { 13231 // Enumerate all code paths before deleting 13232 cleanUpResourcesLI(getAllCodePaths()); 13233 } 13234 13235 private void cleanUpResourcesLI(List<String> allCodePaths) { 13236 cleanUp(); 13237 removeDexFiles(allCodePaths, instructionSets); 13238 } 13239 13240 String getPackageName() { 13241 return getAsecPackageName(cid); 13242 } 13243 13244 boolean doPostDeleteLI(boolean delete) { 13245 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13246 final List<String> allCodePaths = getAllCodePaths(); 13247 boolean mounted = PackageHelper.isContainerMounted(cid); 13248 if (mounted) { 13249 // Unmount first 13250 if (PackageHelper.unMountSdDir(cid)) { 13251 mounted = false; 13252 } 13253 } 13254 if (!mounted && delete) { 13255 cleanUpResourcesLI(allCodePaths); 13256 } 13257 return !mounted; 13258 } 13259 13260 @Override 13261 int doPreCopy() { 13262 if (isFwdLocked()) { 13263 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13264 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13265 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13266 } 13267 } 13268 13269 return PackageManager.INSTALL_SUCCEEDED; 13270 } 13271 13272 @Override 13273 int doPostCopy(int uid) { 13274 if (isFwdLocked()) { 13275 if (uid < Process.FIRST_APPLICATION_UID 13276 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13277 RES_FILE_NAME)) { 13278 Slog.e(TAG, "Failed to finalize " + cid); 13279 PackageHelper.destroySdDir(cid); 13280 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13281 } 13282 } 13283 13284 return PackageManager.INSTALL_SUCCEEDED; 13285 } 13286 } 13287 13288 /** 13289 * Logic to handle movement of existing installed applications. 13290 */ 13291 class MoveInstallArgs extends InstallArgs { 13292 private File codeFile; 13293 private File resourceFile; 13294 13295 /** New install */ 13296 MoveInstallArgs(InstallParams params) { 13297 super(params.origin, params.move, params.observer, params.installFlags, 13298 params.installerPackageName, params.volumeUuid, 13299 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13300 params.grantedRuntimePermissions, 13301 params.traceMethod, params.traceCookie, params.certificates); 13302 } 13303 13304 int copyApk(IMediaContainerService imcs, boolean temp) { 13305 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13306 + move.fromUuid + " to " + move.toUuid); 13307 synchronized (mInstaller) { 13308 try { 13309 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13310 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13311 } catch (InstallerException e) { 13312 Slog.w(TAG, "Failed to move app", e); 13313 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13314 } 13315 } 13316 13317 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13318 resourceFile = codeFile; 13319 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13320 13321 return PackageManager.INSTALL_SUCCEEDED; 13322 } 13323 13324 int doPreInstall(int status) { 13325 if (status != PackageManager.INSTALL_SUCCEEDED) { 13326 cleanUp(move.toUuid); 13327 } 13328 return status; 13329 } 13330 13331 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13332 if (status != PackageManager.INSTALL_SUCCEEDED) { 13333 cleanUp(move.toUuid); 13334 return false; 13335 } 13336 13337 // Reflect the move in app info 13338 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13339 pkg.setApplicationInfoCodePath(pkg.codePath); 13340 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13341 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13342 pkg.setApplicationInfoResourcePath(pkg.codePath); 13343 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13344 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13345 13346 return true; 13347 } 13348 13349 int doPostInstall(int status, int uid) { 13350 if (status == PackageManager.INSTALL_SUCCEEDED) { 13351 cleanUp(move.fromUuid); 13352 } else { 13353 cleanUp(move.toUuid); 13354 } 13355 return status; 13356 } 13357 13358 @Override 13359 String getCodePath() { 13360 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13361 } 13362 13363 @Override 13364 String getResourcePath() { 13365 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13366 } 13367 13368 private boolean cleanUp(String volumeUuid) { 13369 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13370 move.dataAppName); 13371 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13372 synchronized (mInstallLock) { 13373 // Clean up both app data and code 13374 // All package moves are frozen until finished 13375 try { 13376 mInstaller.destroyAppData(volumeUuid, move.packageName, UserHandle.USER_ALL, 13377 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13378 } catch (InstallerException e) { 13379 Slog.w(TAG, String.valueOf(e)); 13380 } 13381 removeCodePathLI(codeFile); 13382 } 13383 return true; 13384 } 13385 13386 void cleanUpResourcesLI() { 13387 throw new UnsupportedOperationException(); 13388 } 13389 13390 boolean doPostDeleteLI(boolean delete) { 13391 throw new UnsupportedOperationException(); 13392 } 13393 } 13394 13395 static String getAsecPackageName(String packageCid) { 13396 int idx = packageCid.lastIndexOf("-"); 13397 if (idx == -1) { 13398 return packageCid; 13399 } 13400 return packageCid.substring(0, idx); 13401 } 13402 13403 // Utility method used to create code paths based on package name and available index. 13404 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13405 String idxStr = ""; 13406 int idx = 1; 13407 // Fall back to default value of idx=1 if prefix is not 13408 // part of oldCodePath 13409 if (oldCodePath != null) { 13410 String subStr = oldCodePath; 13411 // Drop the suffix right away 13412 if (suffix != null && subStr.endsWith(suffix)) { 13413 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13414 } 13415 // If oldCodePath already contains prefix find out the 13416 // ending index to either increment or decrement. 13417 int sidx = subStr.lastIndexOf(prefix); 13418 if (sidx != -1) { 13419 subStr = subStr.substring(sidx + prefix.length()); 13420 if (subStr != null) { 13421 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13422 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13423 } 13424 try { 13425 idx = Integer.parseInt(subStr); 13426 if (idx <= 1) { 13427 idx++; 13428 } else { 13429 idx--; 13430 } 13431 } catch(NumberFormatException e) { 13432 } 13433 } 13434 } 13435 } 13436 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13437 return prefix + idxStr; 13438 } 13439 13440 private File getNextCodePath(File targetDir, String packageName) { 13441 int suffix = 1; 13442 File result; 13443 do { 13444 result = new File(targetDir, packageName + "-" + suffix); 13445 suffix++; 13446 } while (result.exists()); 13447 return result; 13448 } 13449 13450 // Utility method that returns the relative package path with respect 13451 // to the installation directory. Like say for /data/data/com.test-1.apk 13452 // string com.test-1 is returned. 13453 static String deriveCodePathName(String codePath) { 13454 if (codePath == null) { 13455 return null; 13456 } 13457 final File codeFile = new File(codePath); 13458 final String name = codeFile.getName(); 13459 if (codeFile.isDirectory()) { 13460 return name; 13461 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13462 final int lastDot = name.lastIndexOf('.'); 13463 return name.substring(0, lastDot); 13464 } else { 13465 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13466 return null; 13467 } 13468 } 13469 13470 static class PackageInstalledInfo { 13471 String name; 13472 int uid; 13473 // The set of users that originally had this package installed. 13474 int[] origUsers; 13475 // The set of users that now have this package installed. 13476 int[] newUsers; 13477 PackageParser.Package pkg; 13478 int returnCode; 13479 String returnMsg; 13480 PackageRemovedInfo removedInfo; 13481 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13482 13483 public void setError(int code, String msg) { 13484 setReturnCode(code); 13485 setReturnMessage(msg); 13486 Slog.w(TAG, msg); 13487 } 13488 13489 public void setError(String msg, PackageParserException e) { 13490 setReturnCode(e.error); 13491 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13492 Slog.w(TAG, msg, e); 13493 } 13494 13495 public void setError(String msg, PackageManagerException e) { 13496 returnCode = e.error; 13497 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13498 Slog.w(TAG, msg, e); 13499 } 13500 13501 public void setReturnCode(int returnCode) { 13502 this.returnCode = returnCode; 13503 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13504 for (int i = 0; i < childCount; i++) { 13505 addedChildPackages.valueAt(i).returnCode = returnCode; 13506 } 13507 } 13508 13509 private void setReturnMessage(String returnMsg) { 13510 this.returnMsg = returnMsg; 13511 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13512 for (int i = 0; i < childCount; i++) { 13513 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13514 } 13515 } 13516 13517 // In some error cases we want to convey more info back to the observer 13518 String origPackage; 13519 String origPermission; 13520 } 13521 13522 /* 13523 * Install a non-existing package. 13524 */ 13525 private void installNewPackageLIF(PackageParser.Package pkg, int parseFlags, int scanFlags, 13526 UserHandle user, String installerPackageName, String volumeUuid, 13527 PackageInstalledInfo res) { 13528 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13529 13530 // Remember this for later, in case we need to rollback this install 13531 String pkgName = pkg.packageName; 13532 13533 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13534 13535 synchronized(mPackages) { 13536 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13537 // A package with the same name is already installed, though 13538 // it has been renamed to an older name. The package we 13539 // are trying to install should be installed as an update to 13540 // the existing one, but that has not been requested, so bail. 13541 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13542 + " without first uninstalling package running as " 13543 + mSettings.mRenamedPackages.get(pkgName)); 13544 return; 13545 } 13546 if (mPackages.containsKey(pkgName)) { 13547 // Don't allow installation over an existing package with the same name. 13548 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13549 + " without first uninstalling."); 13550 return; 13551 } 13552 } 13553 13554 try { 13555 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13556 System.currentTimeMillis(), user); 13557 13558 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13559 13560 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13561 prepareAppDataAfterInstallLIF(newPackage); 13562 13563 } else { 13564 // Remove package from internal structures, but keep around any 13565 // data that might have already existed 13566 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13567 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13568 } 13569 } catch (PackageManagerException e) { 13570 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13571 } 13572 13573 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13574 } 13575 13576 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13577 // Can't rotate keys during boot or if sharedUser. 13578 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13579 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13580 return false; 13581 } 13582 // app is using upgradeKeySets; make sure all are valid 13583 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13584 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13585 for (int i = 0; i < upgradeKeySets.length; i++) { 13586 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13587 Slog.wtf(TAG, "Package " 13588 + (oldPs.name != null ? oldPs.name : "<null>") 13589 + " contains upgrade-key-set reference to unknown key-set: " 13590 + upgradeKeySets[i] 13591 + " reverting to signatures check."); 13592 return false; 13593 } 13594 } 13595 return true; 13596 } 13597 13598 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13599 // Upgrade keysets are being used. Determine if new package has a superset of the 13600 // required keys. 13601 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13602 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13603 for (int i = 0; i < upgradeKeySets.length; i++) { 13604 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13605 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13606 return true; 13607 } 13608 } 13609 return false; 13610 } 13611 13612 private void replacePackageLIF(PackageParser.Package pkg, int parseFlags, int scanFlags, 13613 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13614 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13615 13616 final PackageParser.Package oldPackage; 13617 final String pkgName = pkg.packageName; 13618 final int[] allUsers; 13619 13620 // First find the old package info and check signatures 13621 synchronized(mPackages) { 13622 oldPackage = mPackages.get(pkgName); 13623 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13624 if (isEphemeral && !oldIsEphemeral) { 13625 // can't downgrade from full to ephemeral 13626 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13627 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13628 return; 13629 } 13630 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13631 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13632 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13633 if (!checkUpgradeKeySetLP(ps, pkg)) { 13634 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13635 "New package not signed by keys specified by upgrade-keysets: " 13636 + pkgName); 13637 return; 13638 } 13639 } else { 13640 // default to original signature matching 13641 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13642 != PackageManager.SIGNATURE_MATCH) { 13643 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13644 "New package has a different signature: " + pkgName); 13645 return; 13646 } 13647 } 13648 13649 // In case of rollback, remember per-user/profile install state 13650 allUsers = sUserManager.getUserIds(); 13651 } 13652 13653 // Update what is removed 13654 res.removedInfo = new PackageRemovedInfo(); 13655 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13656 res.removedInfo.removedPackage = oldPackage.packageName; 13657 res.removedInfo.isUpdate = true; 13658 final int childCount = (oldPackage.childPackages != null) 13659 ? oldPackage.childPackages.size() : 0; 13660 for (int i = 0; i < childCount; i++) { 13661 boolean childPackageUpdated = false; 13662 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13663 if (res.addedChildPackages != null) { 13664 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13665 if (childRes != null) { 13666 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13667 childRes.removedInfo.removedPackage = childPkg.packageName; 13668 childRes.removedInfo.isUpdate = true; 13669 childPackageUpdated = true; 13670 } 13671 } 13672 if (!childPackageUpdated) { 13673 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13674 childRemovedRes.removedPackage = childPkg.packageName; 13675 childRemovedRes.isUpdate = false; 13676 childRemovedRes.dataRemoved = true; 13677 synchronized (mPackages) { 13678 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13679 if (childPs != null) { 13680 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13681 } 13682 } 13683 if (res.removedInfo.removedChildPackages == null) { 13684 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13685 } 13686 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13687 } 13688 } 13689 13690 boolean sysPkg = (isSystemApp(oldPackage)); 13691 if (sysPkg) { 13692 replaceSystemPackageLIF(oldPackage, pkg, parseFlags, scanFlags, 13693 user, allUsers, installerPackageName, res); 13694 } else { 13695 replaceNonSystemPackageLIF(oldPackage, pkg, parseFlags, scanFlags, 13696 user, allUsers, installerPackageName, res); 13697 } 13698 } 13699 13700 public List<String> getPreviousCodePaths(String packageName) { 13701 final PackageSetting ps = mSettings.mPackages.get(packageName); 13702 final List<String> result = new ArrayList<String>(); 13703 if (ps != null && ps.oldCodePaths != null) { 13704 result.addAll(ps.oldCodePaths); 13705 } 13706 return result; 13707 } 13708 13709 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 13710 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13711 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13712 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13713 + deletedPackage); 13714 13715 String pkgName = deletedPackage.packageName; 13716 boolean deletedPkg = true; 13717 boolean addedPkg = false; 13718 boolean updatedSettings = false; 13719 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13720 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13721 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13722 13723 final long origUpdateTime = (pkg.mExtras != null) 13724 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13725 13726 // First delete the existing package while retaining the data directory 13727 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13728 res.removedInfo, true, pkg)) { 13729 // If the existing package wasn't successfully deleted 13730 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13731 deletedPkg = false; 13732 } else { 13733 // Successfully deleted the old package; proceed with replace. 13734 13735 // If deleted package lived in a container, give users a chance to 13736 // relinquish resources before killing. 13737 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13738 if (DEBUG_INSTALL) { 13739 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13740 } 13741 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13742 final ArrayList<String> pkgList = new ArrayList<String>(1); 13743 pkgList.add(deletedPackage.applicationInfo.packageName); 13744 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13745 } 13746 13747 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 13748 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 13749 clearAppProfilesLIF(pkg); 13750 13751 try { 13752 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13753 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13754 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13755 13756 // Update the in-memory copy of the previous code paths. 13757 PackageSetting ps = mSettings.mPackages.get(pkgName); 13758 if (!killApp) { 13759 if (ps.oldCodePaths == null) { 13760 ps.oldCodePaths = new ArraySet<>(); 13761 } 13762 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13763 if (deletedPackage.splitCodePaths != null) { 13764 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13765 } 13766 } else { 13767 ps.oldCodePaths = null; 13768 } 13769 if (ps.childPackageNames != null) { 13770 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13771 final String childPkgName = ps.childPackageNames.get(i); 13772 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13773 childPs.oldCodePaths = ps.oldCodePaths; 13774 } 13775 } 13776 prepareAppDataAfterInstallLIF(newPackage); 13777 addedPkg = true; 13778 } catch (PackageManagerException e) { 13779 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13780 } 13781 } 13782 13783 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13784 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13785 13786 // Revert all internal state mutations and added folders for the failed install 13787 if (addedPkg) { 13788 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13789 res.removedInfo, true, null); 13790 } 13791 13792 // Restore the old package 13793 if (deletedPkg) { 13794 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13795 File restoreFile = new File(deletedPackage.codePath); 13796 // Parse old package 13797 boolean oldExternal = isExternal(deletedPackage); 13798 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13799 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13800 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13801 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13802 try { 13803 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13804 null); 13805 } catch (PackageManagerException e) { 13806 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13807 + e.getMessage()); 13808 return; 13809 } 13810 13811 synchronized (mPackages) { 13812 // Ensure the installer package name up to date 13813 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13814 13815 // Update permissions for restored package 13816 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13817 13818 mSettings.writeLPr(); 13819 } 13820 13821 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13822 } 13823 } else { 13824 synchronized (mPackages) { 13825 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13826 if (ps != null) { 13827 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13828 if (res.removedInfo.removedChildPackages != null) { 13829 final int childCount = res.removedInfo.removedChildPackages.size(); 13830 // Iterate in reverse as we may modify the collection 13831 for (int i = childCount - 1; i >= 0; i--) { 13832 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13833 if (res.addedChildPackages.containsKey(childPackageName)) { 13834 res.removedInfo.removedChildPackages.removeAt(i); 13835 } else { 13836 PackageRemovedInfo childInfo = res.removedInfo 13837 .removedChildPackages.valueAt(i); 13838 childInfo.removedForAllUsers = mPackages.get( 13839 childInfo.removedPackage) == null; 13840 } 13841 } 13842 } 13843 } 13844 } 13845 } 13846 } 13847 13848 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 13849 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13850 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13851 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13852 + ", old=" + deletedPackage); 13853 13854 final boolean disabledSystem; 13855 13856 // Set the system/privileged flags as needed 13857 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13858 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13859 != 0) { 13860 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13861 } 13862 13863 // Remove existing system package 13864 removePackageLI(deletedPackage, true); 13865 13866 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13867 if (!disabledSystem) { 13868 // We didn't need to disable the .apk as a current system package, 13869 // which means we are replacing another update that is already 13870 // installed. We need to make sure to delete the older one's .apk. 13871 res.removedInfo.args = createInstallArgsForExisting(0, 13872 deletedPackage.applicationInfo.getCodePath(), 13873 deletedPackage.applicationInfo.getResourcePath(), 13874 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13875 } else { 13876 res.removedInfo.args = null; 13877 } 13878 13879 // Successfully disabled the old package. Now proceed with re-installation 13880 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 13881 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 13882 clearAppProfilesLIF(pkg); 13883 13884 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13885 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13886 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13887 13888 PackageParser.Package newPackage = null; 13889 try { 13890 // Add the package to the internal data structures 13891 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13892 13893 // Set the update and install times 13894 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13895 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13896 System.currentTimeMillis()); 13897 13898 // Check for shared user id changes 13899 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13900 deletedPackage, newPackage); 13901 if (invalidPackageName != null) { 13902 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13903 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13904 + " to " + invalidPackageName); 13905 } 13906 13907 // Update the package dynamic state if succeeded 13908 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13909 // Now that the install succeeded make sure we remove data 13910 // directories for any child package the update removed. 13911 final int deletedChildCount = (deletedPackage.childPackages != null) 13912 ? deletedPackage.childPackages.size() : 0; 13913 final int newChildCount = (newPackage.childPackages != null) 13914 ? newPackage.childPackages.size() : 0; 13915 for (int i = 0; i < deletedChildCount; i++) { 13916 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13917 boolean childPackageDeleted = true; 13918 for (int j = 0; j < newChildCount; j++) { 13919 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13920 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13921 childPackageDeleted = false; 13922 break; 13923 } 13924 } 13925 if (childPackageDeleted) { 13926 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13927 deletedChildPkg.packageName); 13928 if (ps != null && res.removedInfo.removedChildPackages != null) { 13929 PackageRemovedInfo removedChildRes = res.removedInfo 13930 .removedChildPackages.get(deletedChildPkg.packageName); 13931 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 13932 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13933 } 13934 } 13935 } 13936 13937 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13938 prepareAppDataAfterInstallLIF(newPackage); 13939 } 13940 } catch (PackageManagerException e) { 13941 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13942 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13943 } 13944 13945 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13946 // Re installation failed. Restore old information 13947 // Remove new pkg information 13948 if (newPackage != null) { 13949 removeInstalledPackageLI(newPackage, true); 13950 } 13951 // Add back the old system package 13952 try { 13953 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13954 } catch (PackageManagerException e) { 13955 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13956 } 13957 13958 synchronized (mPackages) { 13959 if (disabledSystem) { 13960 enableSystemPackageLPw(deletedPackage); 13961 } 13962 13963 // Ensure the installer package name up to date 13964 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13965 13966 // Update permissions for restored package 13967 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13968 13969 mSettings.writeLPr(); 13970 } 13971 13972 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13973 + " after failed upgrade"); 13974 } 13975 } 13976 13977 /** 13978 * Checks whether the parent or any of the child packages have a change shared 13979 * user. For a package to be a valid update the shred users of the parent and 13980 * the children should match. We may later support changing child shared users. 13981 * @param oldPkg The updated package. 13982 * @param newPkg The update package. 13983 * @return The shared user that change between the versions. 13984 */ 13985 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13986 PackageParser.Package newPkg) { 13987 // Check parent shared user 13988 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13989 return newPkg.packageName; 13990 } 13991 // Check child shared users 13992 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13993 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13994 for (int i = 0; i < newChildCount; i++) { 13995 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13996 // If this child was present, did it have the same shared user? 13997 for (int j = 0; j < oldChildCount; j++) { 13998 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13999 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14000 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14001 return newChildPkg.packageName; 14002 } 14003 } 14004 } 14005 return null; 14006 } 14007 14008 private void removeNativeBinariesLI(PackageSetting ps) { 14009 // Remove the lib path for the parent package 14010 if (ps != null) { 14011 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14012 // Remove the lib path for the child packages 14013 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14014 for (int i = 0; i < childCount; i++) { 14015 PackageSetting childPs = null; 14016 synchronized (mPackages) { 14017 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14018 } 14019 if (childPs != null) { 14020 NativeLibraryHelper.removeNativeBinariesLI(childPs 14021 .legacyNativeLibraryPathString); 14022 } 14023 } 14024 } 14025 } 14026 14027 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14028 // Enable the parent package 14029 mSettings.enableSystemPackageLPw(pkg.packageName); 14030 // Enable the child packages 14031 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14032 for (int i = 0; i < childCount; i++) { 14033 PackageParser.Package childPkg = pkg.childPackages.get(i); 14034 mSettings.enableSystemPackageLPw(childPkg.packageName); 14035 } 14036 } 14037 14038 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14039 PackageParser.Package newPkg) { 14040 // Disable the parent package (parent always replaced) 14041 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14042 // Disable the child packages 14043 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14044 for (int i = 0; i < childCount; i++) { 14045 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14046 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14047 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14048 } 14049 return disabled; 14050 } 14051 14052 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14053 String installerPackageName) { 14054 // Enable the parent package 14055 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14056 // Enable the child packages 14057 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14058 for (int i = 0; i < childCount; i++) { 14059 PackageParser.Package childPkg = pkg.childPackages.get(i); 14060 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14061 } 14062 } 14063 14064 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14065 // Collect all used permissions in the UID 14066 ArraySet<String> usedPermissions = new ArraySet<>(); 14067 final int packageCount = su.packages.size(); 14068 for (int i = 0; i < packageCount; i++) { 14069 PackageSetting ps = su.packages.valueAt(i); 14070 if (ps.pkg == null) { 14071 continue; 14072 } 14073 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14074 for (int j = 0; j < requestedPermCount; j++) { 14075 String permission = ps.pkg.requestedPermissions.get(j); 14076 BasePermission bp = mSettings.mPermissions.get(permission); 14077 if (bp != null) { 14078 usedPermissions.add(permission); 14079 } 14080 } 14081 } 14082 14083 PermissionsState permissionsState = su.getPermissionsState(); 14084 // Prune install permissions 14085 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14086 final int installPermCount = installPermStates.size(); 14087 for (int i = installPermCount - 1; i >= 0; i--) { 14088 PermissionState permissionState = installPermStates.get(i); 14089 if (!usedPermissions.contains(permissionState.getName())) { 14090 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14091 if (bp != null) { 14092 permissionsState.revokeInstallPermission(bp); 14093 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14094 PackageManager.MASK_PERMISSION_FLAGS, 0); 14095 } 14096 } 14097 } 14098 14099 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14100 14101 // Prune runtime permissions 14102 for (int userId : allUserIds) { 14103 List<PermissionState> runtimePermStates = permissionsState 14104 .getRuntimePermissionStates(userId); 14105 final int runtimePermCount = runtimePermStates.size(); 14106 for (int i = runtimePermCount - 1; i >= 0; i--) { 14107 PermissionState permissionState = runtimePermStates.get(i); 14108 if (!usedPermissions.contains(permissionState.getName())) { 14109 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14110 if (bp != null) { 14111 permissionsState.revokeRuntimePermission(bp, userId); 14112 permissionsState.updatePermissionFlags(bp, userId, 14113 PackageManager.MASK_PERMISSION_FLAGS, 0); 14114 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14115 runtimePermissionChangedUserIds, userId); 14116 } 14117 } 14118 } 14119 } 14120 14121 return runtimePermissionChangedUserIds; 14122 } 14123 14124 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14125 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14126 // Update the parent package setting 14127 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14128 res, user); 14129 // Update the child packages setting 14130 final int childCount = (newPackage.childPackages != null) 14131 ? newPackage.childPackages.size() : 0; 14132 for (int i = 0; i < childCount; i++) { 14133 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14134 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14135 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14136 childRes.origUsers, childRes, user); 14137 } 14138 } 14139 14140 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14141 String installerPackageName, int[] allUsers, int[] installedForUsers, 14142 PackageInstalledInfo res, UserHandle user) { 14143 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14144 14145 String pkgName = newPackage.packageName; 14146 synchronized (mPackages) { 14147 //write settings. the installStatus will be incomplete at this stage. 14148 //note that the new package setting would have already been 14149 //added to mPackages. It hasn't been persisted yet. 14150 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14151 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14152 mSettings.writeLPr(); 14153 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14154 } 14155 14156 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14157 synchronized (mPackages) { 14158 updatePermissionsLPw(newPackage.packageName, newPackage, 14159 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14160 ? UPDATE_PERMISSIONS_ALL : 0)); 14161 // For system-bundled packages, we assume that installing an upgraded version 14162 // of the package implies that the user actually wants to run that new code, 14163 // so we enable the package. 14164 PackageSetting ps = mSettings.mPackages.get(pkgName); 14165 final int userId = user.getIdentifier(); 14166 if (ps != null) { 14167 if (isSystemApp(newPackage)) { 14168 if (DEBUG_INSTALL) { 14169 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14170 } 14171 // Enable system package for requested users 14172 if (res.origUsers != null) { 14173 for (int origUserId : res.origUsers) { 14174 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14175 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14176 origUserId, installerPackageName); 14177 } 14178 } 14179 } 14180 // Also convey the prior install/uninstall state 14181 if (allUsers != null && installedForUsers != null) { 14182 for (int currentUserId : allUsers) { 14183 final boolean installed = ArrayUtils.contains( 14184 installedForUsers, currentUserId); 14185 if (DEBUG_INSTALL) { 14186 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14187 } 14188 ps.setInstalled(installed, currentUserId); 14189 } 14190 // these install state changes will be persisted in the 14191 // upcoming call to mSettings.writeLPr(). 14192 } 14193 } 14194 // It's implied that when a user requests installation, they want the app to be 14195 // installed and enabled. 14196 if (userId != UserHandle.USER_ALL) { 14197 ps.setInstalled(true, userId); 14198 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14199 } 14200 } 14201 res.name = pkgName; 14202 res.uid = newPackage.applicationInfo.uid; 14203 res.pkg = newPackage; 14204 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14205 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14206 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14207 //to update install status 14208 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14209 mSettings.writeLPr(); 14210 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14211 } 14212 14213 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14214 } 14215 14216 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14217 try { 14218 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14219 installPackageLI(args, res); 14220 } finally { 14221 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14222 } 14223 } 14224 14225 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14226 final int installFlags = args.installFlags; 14227 final String installerPackageName = args.installerPackageName; 14228 final String volumeUuid = args.volumeUuid; 14229 final File tmpPackageFile = new File(args.getCodePath()); 14230 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14231 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14232 || (args.volumeUuid != null)); 14233 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14234 boolean replace = false; 14235 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14236 if (args.move != null) { 14237 // moving a complete application; perform an initial scan on the new install location 14238 scanFlags |= SCAN_INITIAL; 14239 } 14240 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14241 scanFlags |= SCAN_DONT_KILL_APP; 14242 } 14243 14244 // Result object to be returned 14245 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14246 14247 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14248 14249 // Sanity check 14250 if (ephemeral && (forwardLocked || onExternal)) { 14251 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14252 + " external=" + onExternal); 14253 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14254 return; 14255 } 14256 14257 // Retrieve PackageSettings and parse package 14258 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14259 | PackageParser.PARSE_ENFORCE_CODE 14260 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14261 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14262 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 14263 PackageParser pp = new PackageParser(); 14264 pp.setSeparateProcesses(mSeparateProcesses); 14265 pp.setDisplayMetrics(mMetrics); 14266 14267 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14268 final PackageParser.Package pkg; 14269 try { 14270 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14271 } catch (PackageParserException e) { 14272 res.setError("Failed parse during installPackageLI", e); 14273 return; 14274 } finally { 14275 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14276 } 14277 14278 // If we are installing a clustered package add results for the children 14279 if (pkg.childPackages != null) { 14280 synchronized (mPackages) { 14281 final int childCount = pkg.childPackages.size(); 14282 for (int i = 0; i < childCount; i++) { 14283 PackageParser.Package childPkg = pkg.childPackages.get(i); 14284 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14285 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14286 childRes.pkg = childPkg; 14287 childRes.name = childPkg.packageName; 14288 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14289 if (childPs != null) { 14290 childRes.origUsers = childPs.queryInstalledUsers( 14291 sUserManager.getUserIds(), true); 14292 } 14293 if ((mPackages.containsKey(childPkg.packageName))) { 14294 childRes.removedInfo = new PackageRemovedInfo(); 14295 childRes.removedInfo.removedPackage = childPkg.packageName; 14296 } 14297 if (res.addedChildPackages == null) { 14298 res.addedChildPackages = new ArrayMap<>(); 14299 } 14300 res.addedChildPackages.put(childPkg.packageName, childRes); 14301 } 14302 } 14303 } 14304 14305 // If package doesn't declare API override, mark that we have an install 14306 // time CPU ABI override. 14307 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14308 pkg.cpuAbiOverride = args.abiOverride; 14309 } 14310 14311 String pkgName = res.name = pkg.packageName; 14312 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14313 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14314 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14315 return; 14316 } 14317 } 14318 14319 try { 14320 // either use what we've been given or parse directly from the APK 14321 if (args.certificates != null) { 14322 try { 14323 PackageParser.populateCertificates(pkg, args.certificates); 14324 } catch (PackageParserException e) { 14325 // there was something wrong with the certificates we were given; 14326 // try to pull them from the APK 14327 PackageParser.collectCertificates(pkg, parseFlags); 14328 } 14329 } else { 14330 PackageParser.collectCertificates(pkg, parseFlags); 14331 } 14332 } catch (PackageParserException e) { 14333 res.setError("Failed collect during installPackageLI", e); 14334 return; 14335 } 14336 14337 // Get rid of all references to package scan path via parser. 14338 pp = null; 14339 String oldCodePath = null; 14340 boolean systemApp = false; 14341 synchronized (mPackages) { 14342 // Check if installing already existing package 14343 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14344 String oldName = mSettings.mRenamedPackages.get(pkgName); 14345 if (pkg.mOriginalPackages != null 14346 && pkg.mOriginalPackages.contains(oldName) 14347 && mPackages.containsKey(oldName)) { 14348 // This package is derived from an original package, 14349 // and this device has been updating from that original 14350 // name. We must continue using the original name, so 14351 // rename the new package here. 14352 pkg.setPackageName(oldName); 14353 pkgName = pkg.packageName; 14354 replace = true; 14355 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14356 + oldName + " pkgName=" + pkgName); 14357 } else if (mPackages.containsKey(pkgName)) { 14358 // This package, under its official name, already exists 14359 // on the device; we should replace it. 14360 replace = true; 14361 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14362 } 14363 14364 // Child packages are installed through the parent package 14365 if (pkg.parentPackage != null) { 14366 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14367 "Package " + pkg.packageName + " is child of package " 14368 + pkg.parentPackage.parentPackage + ". Child packages " 14369 + "can be updated only through the parent package."); 14370 return; 14371 } 14372 14373 if (replace) { 14374 // Prevent apps opting out from runtime permissions 14375 PackageParser.Package oldPackage = mPackages.get(pkgName); 14376 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14377 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14378 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14379 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14380 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14381 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14382 + " doesn't support runtime permissions but the old" 14383 + " target SDK " + oldTargetSdk + " does."); 14384 return; 14385 } 14386 14387 // Prevent installing of child packages 14388 if (oldPackage.parentPackage != null) { 14389 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14390 "Package " + pkg.packageName + " is child of package " 14391 + oldPackage.parentPackage + ". Child packages " 14392 + "can be updated only through the parent package."); 14393 return; 14394 } 14395 } 14396 } 14397 14398 PackageSetting ps = mSettings.mPackages.get(pkgName); 14399 if (ps != null) { 14400 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14401 14402 // Quick sanity check that we're signed correctly if updating; 14403 // we'll check this again later when scanning, but we want to 14404 // bail early here before tripping over redefined permissions. 14405 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14406 if (!checkUpgradeKeySetLP(ps, pkg)) { 14407 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14408 + pkg.packageName + " upgrade keys do not match the " 14409 + "previously installed version"); 14410 return; 14411 } 14412 } else { 14413 try { 14414 verifySignaturesLP(ps, pkg); 14415 } catch (PackageManagerException e) { 14416 res.setError(e.error, e.getMessage()); 14417 return; 14418 } 14419 } 14420 14421 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14422 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14423 systemApp = (ps.pkg.applicationInfo.flags & 14424 ApplicationInfo.FLAG_SYSTEM) != 0; 14425 } 14426 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14427 } 14428 14429 // Check whether the newly-scanned package wants to define an already-defined perm 14430 int N = pkg.permissions.size(); 14431 for (int i = N-1; i >= 0; i--) { 14432 PackageParser.Permission perm = pkg.permissions.get(i); 14433 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14434 if (bp != null) { 14435 // If the defining package is signed with our cert, it's okay. This 14436 // also includes the "updating the same package" case, of course. 14437 // "updating same package" could also involve key-rotation. 14438 final boolean sigsOk; 14439 if (bp.sourcePackage.equals(pkg.packageName) 14440 && (bp.packageSetting instanceof PackageSetting) 14441 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14442 scanFlags))) { 14443 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14444 } else { 14445 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14446 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14447 } 14448 if (!sigsOk) { 14449 // If the owning package is the system itself, we log but allow 14450 // install to proceed; we fail the install on all other permission 14451 // redefinitions. 14452 if (!bp.sourcePackage.equals("android")) { 14453 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14454 + pkg.packageName + " attempting to redeclare permission " 14455 + perm.info.name + " already owned by " + bp.sourcePackage); 14456 res.origPermission = perm.info.name; 14457 res.origPackage = bp.sourcePackage; 14458 return; 14459 } else { 14460 Slog.w(TAG, "Package " + pkg.packageName 14461 + " attempting to redeclare system permission " 14462 + perm.info.name + "; ignoring new declaration"); 14463 pkg.permissions.remove(i); 14464 } 14465 } 14466 } 14467 } 14468 } 14469 14470 if (systemApp) { 14471 if (onExternal) { 14472 // Abort update; system app can't be replaced with app on sdcard 14473 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14474 "Cannot install updates to system apps on sdcard"); 14475 return; 14476 } else if (ephemeral) { 14477 // Abort update; system app can't be replaced with an ephemeral app 14478 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14479 "Cannot update a system app with an ephemeral app"); 14480 return; 14481 } 14482 } 14483 14484 if (args.move != null) { 14485 // We did an in-place move, so dex is ready to roll 14486 scanFlags |= SCAN_NO_DEX; 14487 scanFlags |= SCAN_MOVE; 14488 14489 synchronized (mPackages) { 14490 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14491 if (ps == null) { 14492 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14493 "Missing settings for moved package " + pkgName); 14494 } 14495 14496 // We moved the entire application as-is, so bring over the 14497 // previously derived ABI information. 14498 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14499 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14500 } 14501 14502 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14503 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14504 scanFlags |= SCAN_NO_DEX; 14505 14506 try { 14507 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14508 args.abiOverride : pkg.cpuAbiOverride); 14509 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14510 true /* extract libs */); 14511 } catch (PackageManagerException pme) { 14512 Slog.e(TAG, "Error deriving application ABI", pme); 14513 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14514 return; 14515 } 14516 14517 14518 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14519 // Do not run PackageDexOptimizer through the local performDexOpt 14520 // method because `pkg` is not in `mPackages` yet. 14521 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14522 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14523 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14524 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14525 String msg = "Extracking package failed for " + pkgName; 14526 res.setError(INSTALL_FAILED_DEXOPT, msg); 14527 return; 14528 } 14529 } 14530 14531 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14532 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14533 return; 14534 } 14535 14536 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14537 14538 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14539 "installPackageLI")) { 14540 if (replace) { 14541 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14542 installerPackageName, res); 14543 } else { 14544 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14545 args.user, installerPackageName, volumeUuid, res); 14546 } 14547 } 14548 synchronized (mPackages) { 14549 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14550 if (ps != null) { 14551 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14552 } 14553 14554 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14555 for (int i = 0; i < childCount; i++) { 14556 PackageParser.Package childPkg = pkg.childPackages.get(i); 14557 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14558 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14559 if (childPs != null) { 14560 childRes.newUsers = childPs.queryInstalledUsers( 14561 sUserManager.getUserIds(), true); 14562 } 14563 } 14564 } 14565 } 14566 14567 private void startIntentFilterVerifications(int userId, boolean replacing, 14568 PackageParser.Package pkg) { 14569 if (mIntentFilterVerifierComponent == null) { 14570 Slog.w(TAG, "No IntentFilter verification will not be done as " 14571 + "there is no IntentFilterVerifier available!"); 14572 return; 14573 } 14574 14575 final int verifierUid = getPackageUid( 14576 mIntentFilterVerifierComponent.getPackageName(), 14577 MATCH_DEBUG_TRIAGED_MISSING, 14578 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14579 14580 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14581 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14582 mHandler.sendMessage(msg); 14583 14584 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14585 for (int i = 0; i < childCount; i++) { 14586 PackageParser.Package childPkg = pkg.childPackages.get(i); 14587 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14588 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14589 mHandler.sendMessage(msg); 14590 } 14591 } 14592 14593 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14594 PackageParser.Package pkg) { 14595 int size = pkg.activities.size(); 14596 if (size == 0) { 14597 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14598 "No activity, so no need to verify any IntentFilter!"); 14599 return; 14600 } 14601 14602 final boolean hasDomainURLs = hasDomainURLs(pkg); 14603 if (!hasDomainURLs) { 14604 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14605 "No domain URLs, so no need to verify any IntentFilter!"); 14606 return; 14607 } 14608 14609 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14610 + " if any IntentFilter from the " + size 14611 + " Activities needs verification ..."); 14612 14613 int count = 0; 14614 final String packageName = pkg.packageName; 14615 14616 synchronized (mPackages) { 14617 // If this is a new install and we see that we've already run verification for this 14618 // package, we have nothing to do: it means the state was restored from backup. 14619 if (!replacing) { 14620 IntentFilterVerificationInfo ivi = 14621 mSettings.getIntentFilterVerificationLPr(packageName); 14622 if (ivi != null) { 14623 if (DEBUG_DOMAIN_VERIFICATION) { 14624 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14625 + ivi.getStatusString()); 14626 } 14627 return; 14628 } 14629 } 14630 14631 // If any filters need to be verified, then all need to be. 14632 boolean needToVerify = false; 14633 for (PackageParser.Activity a : pkg.activities) { 14634 for (ActivityIntentInfo filter : a.intents) { 14635 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14636 if (DEBUG_DOMAIN_VERIFICATION) { 14637 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14638 } 14639 needToVerify = true; 14640 break; 14641 } 14642 } 14643 } 14644 14645 if (needToVerify) { 14646 final int verificationId = mIntentFilterVerificationToken++; 14647 for (PackageParser.Activity a : pkg.activities) { 14648 for (ActivityIntentInfo filter : a.intents) { 14649 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14650 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14651 "Verification needed for IntentFilter:" + filter.toString()); 14652 mIntentFilterVerifier.addOneIntentFilterVerification( 14653 verifierUid, userId, verificationId, filter, packageName); 14654 count++; 14655 } 14656 } 14657 } 14658 } 14659 } 14660 14661 if (count > 0) { 14662 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14663 + " IntentFilter verification" + (count > 1 ? "s" : "") 14664 + " for userId:" + userId); 14665 mIntentFilterVerifier.startVerifications(userId); 14666 } else { 14667 if (DEBUG_DOMAIN_VERIFICATION) { 14668 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14669 } 14670 } 14671 } 14672 14673 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14674 final ComponentName cn = filter.activity.getComponentName(); 14675 final String packageName = cn.getPackageName(); 14676 14677 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14678 packageName); 14679 if (ivi == null) { 14680 return true; 14681 } 14682 int status = ivi.getStatus(); 14683 switch (status) { 14684 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14685 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14686 return true; 14687 14688 default: 14689 // Nothing to do 14690 return false; 14691 } 14692 } 14693 14694 private static boolean isMultiArch(ApplicationInfo info) { 14695 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14696 } 14697 14698 private static boolean isExternal(PackageParser.Package pkg) { 14699 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14700 } 14701 14702 private static boolean isExternal(PackageSetting ps) { 14703 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14704 } 14705 14706 private static boolean isEphemeral(PackageParser.Package pkg) { 14707 return pkg.applicationInfo.isEphemeralApp(); 14708 } 14709 14710 private static boolean isEphemeral(PackageSetting ps) { 14711 return ps.pkg != null && isEphemeral(ps.pkg); 14712 } 14713 14714 private static boolean isSystemApp(PackageParser.Package pkg) { 14715 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14716 } 14717 14718 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14719 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14720 } 14721 14722 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14723 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14724 } 14725 14726 private static boolean isSystemApp(PackageSetting ps) { 14727 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14728 } 14729 14730 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14731 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14732 } 14733 14734 private int packageFlagsToInstallFlags(PackageSetting ps) { 14735 int installFlags = 0; 14736 if (isEphemeral(ps)) { 14737 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14738 } 14739 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14740 // This existing package was an external ASEC install when we have 14741 // the external flag without a UUID 14742 installFlags |= PackageManager.INSTALL_EXTERNAL; 14743 } 14744 if (ps.isForwardLocked()) { 14745 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14746 } 14747 return installFlags; 14748 } 14749 14750 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14751 if (isExternal(pkg)) { 14752 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14753 return StorageManager.UUID_PRIMARY_PHYSICAL; 14754 } else { 14755 return pkg.volumeUuid; 14756 } 14757 } else { 14758 return StorageManager.UUID_PRIVATE_INTERNAL; 14759 } 14760 } 14761 14762 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14763 if (isExternal(pkg)) { 14764 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14765 return mSettings.getExternalVersion(); 14766 } else { 14767 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14768 } 14769 } else { 14770 return mSettings.getInternalVersion(); 14771 } 14772 } 14773 14774 private void deleteTempPackageFiles() { 14775 final FilenameFilter filter = new FilenameFilter() { 14776 public boolean accept(File dir, String name) { 14777 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14778 } 14779 }; 14780 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14781 file.delete(); 14782 } 14783 } 14784 14785 @Override 14786 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14787 int flags) { 14788 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14789 flags); 14790 } 14791 14792 @Override 14793 public void deletePackage(final String packageName, 14794 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 14795 mContext.enforceCallingOrSelfPermission( 14796 android.Manifest.permission.DELETE_PACKAGES, null); 14797 Preconditions.checkNotNull(packageName); 14798 Preconditions.checkNotNull(observer); 14799 final int uid = Binder.getCallingUid(); 14800 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 14801 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14802 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14803 mContext.enforceCallingOrSelfPermission( 14804 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14805 "deletePackage for user " + userId); 14806 } 14807 14808 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14809 try { 14810 observer.onPackageDeleted(packageName, 14811 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14812 } catch (RemoteException re) { 14813 } 14814 return; 14815 } 14816 14817 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14818 try { 14819 observer.onPackageDeleted(packageName, 14820 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14821 } catch (RemoteException re) { 14822 } 14823 return; 14824 } 14825 14826 if (DEBUG_REMOVE) { 14827 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14828 + " deleteAllUsers: " + deleteAllUsers ); 14829 } 14830 // Queue up an async operation since the package deletion may take a little while. 14831 mHandler.post(new Runnable() { 14832 public void run() { 14833 mHandler.removeCallbacks(this); 14834 int returnCode; 14835 if (!deleteAllUsers) { 14836 returnCode = deletePackageX(packageName, userId, deleteFlags); 14837 } else { 14838 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14839 // If nobody is blocking uninstall, proceed with delete for all users 14840 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14841 returnCode = deletePackageX(packageName, userId, deleteFlags); 14842 } else { 14843 // Otherwise uninstall individually for users with blockUninstalls=false 14844 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 14845 for (int userId : users) { 14846 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14847 returnCode = deletePackageX(packageName, userId, userFlags); 14848 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14849 Slog.w(TAG, "Package delete failed for user " + userId 14850 + ", returnCode " + returnCode); 14851 } 14852 } 14853 } 14854 // The app has only been marked uninstalled for certain users. 14855 // We still need to report that delete was blocked 14856 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14857 } 14858 } 14859 try { 14860 observer.onPackageDeleted(packageName, returnCode, null); 14861 } catch (RemoteException e) { 14862 Log.i(TAG, "Observer no longer exists."); 14863 } //end catch 14864 } //end run 14865 }); 14866 } 14867 14868 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14869 int[] result = EMPTY_INT_ARRAY; 14870 for (int userId : userIds) { 14871 if (getBlockUninstallForUser(packageName, userId)) { 14872 result = ArrayUtils.appendInt(result, userId); 14873 } 14874 } 14875 return result; 14876 } 14877 14878 @Override 14879 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14880 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14881 } 14882 14883 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14884 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14885 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14886 try { 14887 if (dpm != null) { 14888 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14889 /* callingUserOnly =*/ false); 14890 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14891 : deviceOwnerComponentName.getPackageName(); 14892 // Does the package contains the device owner? 14893 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14894 // this check is probably not needed, since DO should be registered as a device 14895 // admin on some user too. (Original bug for this: b/17657954) 14896 if (packageName.equals(deviceOwnerPackageName)) { 14897 return true; 14898 } 14899 // Does it contain a device admin for any user? 14900 int[] users; 14901 if (userId == UserHandle.USER_ALL) { 14902 users = sUserManager.getUserIds(); 14903 } else { 14904 users = new int[]{userId}; 14905 } 14906 for (int i = 0; i < users.length; ++i) { 14907 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14908 return true; 14909 } 14910 } 14911 } 14912 } catch (RemoteException e) { 14913 } 14914 return false; 14915 } 14916 14917 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14918 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14919 } 14920 14921 /** 14922 * This method is an internal method that could be get invoked either 14923 * to delete an installed package or to clean up a failed installation. 14924 * After deleting an installed package, a broadcast is sent to notify any 14925 * listeners that the package has been removed. For cleaning up a failed 14926 * installation, the broadcast is not necessary since the package's 14927 * installation wouldn't have sent the initial broadcast either 14928 * The key steps in deleting a package are 14929 * deleting the package information in internal structures like mPackages, 14930 * deleting the packages base directories through installd 14931 * updating mSettings to reflect current status 14932 * persisting settings for later use 14933 * sending a broadcast if necessary 14934 */ 14935 private int deletePackageX(String packageName, int userId, int deleteFlags) { 14936 final PackageRemovedInfo info = new PackageRemovedInfo(); 14937 final boolean res; 14938 14939 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 14940 ? UserHandle.ALL : new UserHandle(userId); 14941 14942 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14943 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14944 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14945 } 14946 14947 PackageSetting uninstalledPs = null; 14948 14949 // for the uninstall-updates case and restricted profiles, remember the per- 14950 // user handle installed state 14951 int[] allUsers; 14952 synchronized (mPackages) { 14953 uninstalledPs = mSettings.mPackages.get(packageName); 14954 if (uninstalledPs == null) { 14955 Slog.w(TAG, "Not removing non-existent package " + packageName); 14956 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14957 } 14958 allUsers = sUserManager.getUserIds(); 14959 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14960 } 14961 14962 synchronized (mInstallLock) { 14963 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14964 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 14965 "deletePackageX")) { 14966 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 14967 deleteFlags | REMOVE_CHATTY, info, true, null); 14968 } 14969 synchronized (mPackages) { 14970 if (res) { 14971 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14972 } 14973 } 14974 } 14975 14976 if (res) { 14977 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 14978 info.sendPackageRemovedBroadcasts(killApp); 14979 info.sendSystemPackageUpdatedBroadcasts(); 14980 info.sendSystemPackageAppearedBroadcasts(); 14981 } 14982 // Force a gc here. 14983 Runtime.getRuntime().gc(); 14984 // Delete the resources here after sending the broadcast to let 14985 // other processes clean up before deleting resources. 14986 if (info.args != null) { 14987 synchronized (mInstallLock) { 14988 info.args.doPostDeleteLI(true); 14989 } 14990 } 14991 14992 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14993 } 14994 14995 class PackageRemovedInfo { 14996 String removedPackage; 14997 int uid = -1; 14998 int removedAppId = -1; 14999 int[] origUsers; 15000 int[] removedUsers = null; 15001 boolean isRemovedPackageSystemUpdate = false; 15002 boolean isUpdate; 15003 boolean dataRemoved; 15004 boolean removedForAllUsers; 15005 // Clean up resources deleted packages. 15006 InstallArgs args = null; 15007 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15008 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15009 15010 void sendPackageRemovedBroadcasts(boolean killApp) { 15011 sendPackageRemovedBroadcastInternal(killApp); 15012 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15013 for (int i = 0; i < childCount; i++) { 15014 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15015 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15016 } 15017 } 15018 15019 void sendSystemPackageUpdatedBroadcasts() { 15020 if (isRemovedPackageSystemUpdate) { 15021 sendSystemPackageUpdatedBroadcastsInternal(); 15022 final int childCount = (removedChildPackages != null) 15023 ? removedChildPackages.size() : 0; 15024 for (int i = 0; i < childCount; i++) { 15025 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15026 if (childInfo.isRemovedPackageSystemUpdate) { 15027 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15028 } 15029 } 15030 } 15031 } 15032 15033 void sendSystemPackageAppearedBroadcasts() { 15034 final int packageCount = (appearedChildPackages != null) 15035 ? appearedChildPackages.size() : 0; 15036 for (int i = 0; i < packageCount; i++) { 15037 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15038 for (int userId : installedInfo.newUsers) { 15039 sendPackageAddedForUser(installedInfo.name, true, 15040 UserHandle.getAppId(installedInfo.uid), userId); 15041 } 15042 } 15043 } 15044 15045 private void sendSystemPackageUpdatedBroadcastsInternal() { 15046 Bundle extras = new Bundle(2); 15047 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15048 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15049 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15050 extras, 0, null, null, null); 15051 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15052 extras, 0, null, null, null); 15053 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15054 null, 0, removedPackage, null, null); 15055 } 15056 15057 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15058 Bundle extras = new Bundle(2); 15059 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15060 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15061 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15062 if (isUpdate || isRemovedPackageSystemUpdate) { 15063 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15064 } 15065 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15066 if (removedPackage != null) { 15067 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15068 extras, 0, null, null, removedUsers); 15069 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15070 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15071 removedPackage, extras, 0, null, null, removedUsers); 15072 } 15073 } 15074 if (removedAppId >= 0) { 15075 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15076 removedUsers); 15077 } 15078 } 15079 } 15080 15081 /* 15082 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15083 * flag is not set, the data directory is removed as well. 15084 * make sure this flag is set for partially installed apps. If not its meaningless to 15085 * delete a partially installed application. 15086 */ 15087 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15088 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15089 String packageName = ps.name; 15090 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15091 // Retrieve object to delete permissions for shared user later on 15092 final PackageParser.Package deletedPkg; 15093 final PackageSetting deletedPs; 15094 // reader 15095 synchronized (mPackages) { 15096 deletedPkg = mPackages.get(packageName); 15097 deletedPs = mSettings.mPackages.get(packageName); 15098 if (outInfo != null) { 15099 outInfo.removedPackage = packageName; 15100 outInfo.removedUsers = deletedPs != null 15101 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15102 : null; 15103 } 15104 } 15105 15106 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15107 15108 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15109 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15110 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15111 destroyAppProfilesLIF(deletedPkg); 15112 if (outInfo != null) { 15113 outInfo.dataRemoved = true; 15114 } 15115 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15116 } 15117 15118 // writer 15119 synchronized (mPackages) { 15120 if (deletedPs != null) { 15121 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15122 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15123 clearDefaultBrowserIfNeeded(packageName); 15124 if (outInfo != null) { 15125 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15126 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15127 } 15128 updatePermissionsLPw(deletedPs.name, null, 0); 15129 if (deletedPs.sharedUser != null) { 15130 // Remove permissions associated with package. Since runtime 15131 // permissions are per user we have to kill the removed package 15132 // or packages running under the shared user of the removed 15133 // package if revoking the permissions requested only by the removed 15134 // package is successful and this causes a change in gids. 15135 for (int userId : UserManagerService.getInstance().getUserIds()) { 15136 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15137 userId); 15138 if (userIdToKill == UserHandle.USER_ALL 15139 || userIdToKill >= UserHandle.USER_SYSTEM) { 15140 // If gids changed for this user, kill all affected packages. 15141 mHandler.post(new Runnable() { 15142 @Override 15143 public void run() { 15144 // This has to happen with no lock held. 15145 killApplication(deletedPs.name, deletedPs.appId, 15146 KILL_APP_REASON_GIDS_CHANGED); 15147 } 15148 }); 15149 break; 15150 } 15151 } 15152 } 15153 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15154 } 15155 // make sure to preserve per-user disabled state if this removal was just 15156 // a downgrade of a system app to the factory package 15157 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15158 if (DEBUG_REMOVE) { 15159 Slog.d(TAG, "Propagating install state across downgrade"); 15160 } 15161 for (int userId : allUserHandles) { 15162 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15163 if (DEBUG_REMOVE) { 15164 Slog.d(TAG, " user " + userId + " => " + installed); 15165 } 15166 ps.setInstalled(installed, userId); 15167 } 15168 } 15169 } 15170 // can downgrade to reader 15171 if (writeSettings) { 15172 // Save settings now 15173 mSettings.writeLPr(); 15174 } 15175 } 15176 if (outInfo != null) { 15177 // A user ID was deleted here. Go through all users and remove it 15178 // from KeyStore. 15179 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15180 } 15181 } 15182 15183 static boolean locationIsPrivileged(File path) { 15184 try { 15185 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15186 .getCanonicalPath(); 15187 return path.getCanonicalPath().startsWith(privilegedAppDir); 15188 } catch (IOException e) { 15189 Slog.e(TAG, "Unable to access code path " + path); 15190 } 15191 return false; 15192 } 15193 15194 /* 15195 * Tries to delete system package. 15196 */ 15197 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15198 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15199 boolean writeSettings) { 15200 if (deletedPs.parentPackageName != null) { 15201 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15202 return false; 15203 } 15204 15205 final boolean applyUserRestrictions 15206 = (allUserHandles != null) && (outInfo.origUsers != null); 15207 final PackageSetting disabledPs; 15208 // Confirm if the system package has been updated 15209 // An updated system app can be deleted. This will also have to restore 15210 // the system pkg from system partition 15211 // reader 15212 synchronized (mPackages) { 15213 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15214 } 15215 15216 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15217 + " disabledPs=" + disabledPs); 15218 15219 if (disabledPs == null) { 15220 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15221 return false; 15222 } else if (DEBUG_REMOVE) { 15223 Slog.d(TAG, "Deleting system pkg from data partition"); 15224 } 15225 15226 if (DEBUG_REMOVE) { 15227 if (applyUserRestrictions) { 15228 Slog.d(TAG, "Remembering install states:"); 15229 for (int userId : allUserHandles) { 15230 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15231 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15232 } 15233 } 15234 } 15235 15236 // Delete the updated package 15237 outInfo.isRemovedPackageSystemUpdate = true; 15238 if (outInfo.removedChildPackages != null) { 15239 final int childCount = (deletedPs.childPackageNames != null) 15240 ? deletedPs.childPackageNames.size() : 0; 15241 for (int i = 0; i < childCount; i++) { 15242 String childPackageName = deletedPs.childPackageNames.get(i); 15243 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15244 .contains(childPackageName)) { 15245 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15246 childPackageName); 15247 if (childInfo != null) { 15248 childInfo.isRemovedPackageSystemUpdate = true; 15249 } 15250 } 15251 } 15252 } 15253 15254 if (disabledPs.versionCode < deletedPs.versionCode) { 15255 // Delete data for downgrades 15256 flags &= ~PackageManager.DELETE_KEEP_DATA; 15257 } else { 15258 // Preserve data by setting flag 15259 flags |= PackageManager.DELETE_KEEP_DATA; 15260 } 15261 15262 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15263 outInfo, writeSettings, disabledPs.pkg); 15264 if (!ret) { 15265 return false; 15266 } 15267 15268 // writer 15269 synchronized (mPackages) { 15270 // Reinstate the old system package 15271 enableSystemPackageLPw(disabledPs.pkg); 15272 // Remove any native libraries from the upgraded package. 15273 removeNativeBinariesLI(deletedPs); 15274 } 15275 15276 // Install the system package 15277 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15278 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 15279 if (locationIsPrivileged(disabledPs.codePath)) { 15280 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15281 } 15282 15283 final PackageParser.Package newPkg; 15284 try { 15285 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15286 } catch (PackageManagerException e) { 15287 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15288 + e.getMessage()); 15289 return false; 15290 } 15291 15292 prepareAppDataAfterInstallLIF(newPkg); 15293 15294 // writer 15295 synchronized (mPackages) { 15296 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15297 15298 // Propagate the permissions state as we do not want to drop on the floor 15299 // runtime permissions. The update permissions method below will take 15300 // care of removing obsolete permissions and grant install permissions. 15301 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15302 updatePermissionsLPw(newPkg.packageName, newPkg, 15303 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15304 15305 if (applyUserRestrictions) { 15306 if (DEBUG_REMOVE) { 15307 Slog.d(TAG, "Propagating install state across reinstall"); 15308 } 15309 for (int userId : allUserHandles) { 15310 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15311 if (DEBUG_REMOVE) { 15312 Slog.d(TAG, " user " + userId + " => " + installed); 15313 } 15314 ps.setInstalled(installed, userId); 15315 15316 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15317 } 15318 // Regardless of writeSettings we need to ensure that this restriction 15319 // state propagation is persisted 15320 mSettings.writeAllUsersPackageRestrictionsLPr(); 15321 } 15322 // can downgrade to reader here 15323 if (writeSettings) { 15324 mSettings.writeLPr(); 15325 } 15326 } 15327 return true; 15328 } 15329 15330 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15331 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15332 PackageRemovedInfo outInfo, boolean writeSettings, 15333 PackageParser.Package replacingPackage) { 15334 synchronized (mPackages) { 15335 if (outInfo != null) { 15336 outInfo.uid = ps.appId; 15337 } 15338 15339 if (outInfo != null && outInfo.removedChildPackages != null) { 15340 final int childCount = (ps.childPackageNames != null) 15341 ? ps.childPackageNames.size() : 0; 15342 for (int i = 0; i < childCount; i++) { 15343 String childPackageName = ps.childPackageNames.get(i); 15344 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15345 if (childPs == null) { 15346 return false; 15347 } 15348 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15349 childPackageName); 15350 if (childInfo != null) { 15351 childInfo.uid = childPs.appId; 15352 } 15353 } 15354 } 15355 } 15356 15357 // Delete package data from internal structures and also remove data if flag is set 15358 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15359 15360 // Delete the child packages data 15361 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15362 for (int i = 0; i < childCount; i++) { 15363 PackageSetting childPs; 15364 synchronized (mPackages) { 15365 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15366 } 15367 if (childPs != null) { 15368 PackageRemovedInfo childOutInfo = (outInfo != null 15369 && outInfo.removedChildPackages != null) 15370 ? outInfo.removedChildPackages.get(childPs.name) : null; 15371 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15372 && (replacingPackage != null 15373 && !replacingPackage.hasChildPackage(childPs.name)) 15374 ? flags & ~DELETE_KEEP_DATA : flags; 15375 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15376 deleteFlags, writeSettings); 15377 } 15378 } 15379 15380 // Delete application code and resources only for parent packages 15381 if (ps.parentPackageName == null) { 15382 if (deleteCodeAndResources && (outInfo != null)) { 15383 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15384 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15385 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15386 } 15387 } 15388 15389 return true; 15390 } 15391 15392 @Override 15393 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15394 int userId) { 15395 mContext.enforceCallingOrSelfPermission( 15396 android.Manifest.permission.DELETE_PACKAGES, null); 15397 synchronized (mPackages) { 15398 PackageSetting ps = mSettings.mPackages.get(packageName); 15399 if (ps == null) { 15400 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15401 return false; 15402 } 15403 if (!ps.getInstalled(userId)) { 15404 // Can't block uninstall for an app that is not installed or enabled. 15405 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15406 return false; 15407 } 15408 ps.setBlockUninstall(blockUninstall, userId); 15409 mSettings.writePackageRestrictionsLPr(userId); 15410 } 15411 return true; 15412 } 15413 15414 @Override 15415 public boolean getBlockUninstallForUser(String packageName, int userId) { 15416 synchronized (mPackages) { 15417 PackageSetting ps = mSettings.mPackages.get(packageName); 15418 if (ps == null) { 15419 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15420 return false; 15421 } 15422 return ps.getBlockUninstall(userId); 15423 } 15424 } 15425 15426 @Override 15427 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15428 int callingUid = Binder.getCallingUid(); 15429 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15430 throw new SecurityException( 15431 "setRequiredForSystemUser can only be run by the system or root"); 15432 } 15433 synchronized (mPackages) { 15434 PackageSetting ps = mSettings.mPackages.get(packageName); 15435 if (ps == null) { 15436 Log.w(TAG, "Package doesn't exist: " + packageName); 15437 return false; 15438 } 15439 if (systemUserApp) { 15440 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15441 } else { 15442 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15443 } 15444 mSettings.writeLPr(); 15445 } 15446 return true; 15447 } 15448 15449 /* 15450 * This method handles package deletion in general 15451 */ 15452 private boolean deletePackageLIF(String packageName, UserHandle user, 15453 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15454 PackageRemovedInfo outInfo, boolean writeSettings, 15455 PackageParser.Package replacingPackage) { 15456 if (packageName == null) { 15457 Slog.w(TAG, "Attempt to delete null packageName."); 15458 return false; 15459 } 15460 15461 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15462 15463 PackageSetting ps; 15464 15465 synchronized (mPackages) { 15466 ps = mSettings.mPackages.get(packageName); 15467 if (ps == null) { 15468 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15469 return false; 15470 } 15471 15472 if (ps.parentPackageName != null && (!isSystemApp(ps) 15473 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15474 if (DEBUG_REMOVE) { 15475 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15476 + ((user == null) ? UserHandle.USER_ALL : user)); 15477 } 15478 final int removedUserId = (user != null) ? user.getIdentifier() 15479 : UserHandle.USER_ALL; 15480 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15481 return false; 15482 } 15483 markPackageUninstalledForUserLPw(ps, user); 15484 scheduleWritePackageRestrictionsLocked(user); 15485 return true; 15486 } 15487 } 15488 15489 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15490 && user.getIdentifier() != UserHandle.USER_ALL)) { 15491 // The caller is asking that the package only be deleted for a single 15492 // user. To do this, we just mark its uninstalled state and delete 15493 // its data. If this is a system app, we only allow this to happen if 15494 // they have set the special DELETE_SYSTEM_APP which requests different 15495 // semantics than normal for uninstalling system apps. 15496 markPackageUninstalledForUserLPw(ps, user); 15497 15498 if (!isSystemApp(ps)) { 15499 // Do not uninstall the APK if an app should be cached 15500 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15501 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15502 // Other user still have this package installed, so all 15503 // we need to do is clear this user's data and save that 15504 // it is uninstalled. 15505 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15506 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15507 return false; 15508 } 15509 scheduleWritePackageRestrictionsLocked(user); 15510 return true; 15511 } else { 15512 // We need to set it back to 'installed' so the uninstall 15513 // broadcasts will be sent correctly. 15514 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15515 ps.setInstalled(true, user.getIdentifier()); 15516 } 15517 } else { 15518 // This is a system app, so we assume that the 15519 // other users still have this package installed, so all 15520 // we need to do is clear this user's data and save that 15521 // it is uninstalled. 15522 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15523 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15524 return false; 15525 } 15526 scheduleWritePackageRestrictionsLocked(user); 15527 return true; 15528 } 15529 } 15530 15531 // If we are deleting a composite package for all users, keep track 15532 // of result for each child. 15533 if (ps.childPackageNames != null && outInfo != null) { 15534 synchronized (mPackages) { 15535 final int childCount = ps.childPackageNames.size(); 15536 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15537 for (int i = 0; i < childCount; i++) { 15538 String childPackageName = ps.childPackageNames.get(i); 15539 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15540 childInfo.removedPackage = childPackageName; 15541 outInfo.removedChildPackages.put(childPackageName, childInfo); 15542 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15543 if (childPs != null) { 15544 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15545 } 15546 } 15547 } 15548 } 15549 15550 boolean ret = false; 15551 if (isSystemApp(ps)) { 15552 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15553 // When an updated system application is deleted we delete the existing resources 15554 // as well and fall back to existing code in system partition 15555 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15556 } else { 15557 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15558 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15559 outInfo, writeSettings, replacingPackage); 15560 } 15561 15562 // Take a note whether we deleted the package for all users 15563 if (outInfo != null) { 15564 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15565 if (outInfo.removedChildPackages != null) { 15566 synchronized (mPackages) { 15567 final int childCount = outInfo.removedChildPackages.size(); 15568 for (int i = 0; i < childCount; i++) { 15569 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15570 if (childInfo != null) { 15571 childInfo.removedForAllUsers = mPackages.get( 15572 childInfo.removedPackage) == null; 15573 } 15574 } 15575 } 15576 } 15577 // If we uninstalled an update to a system app there may be some 15578 // child packages that appeared as they are declared in the system 15579 // app but were not declared in the update. 15580 if (isSystemApp(ps)) { 15581 synchronized (mPackages) { 15582 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15583 final int childCount = (updatedPs.childPackageNames != null) 15584 ? updatedPs.childPackageNames.size() : 0; 15585 for (int i = 0; i < childCount; i++) { 15586 String childPackageName = updatedPs.childPackageNames.get(i); 15587 if (outInfo.removedChildPackages == null 15588 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15589 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15590 if (childPs == null) { 15591 continue; 15592 } 15593 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15594 installRes.name = childPackageName; 15595 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15596 installRes.pkg = mPackages.get(childPackageName); 15597 installRes.uid = childPs.pkg.applicationInfo.uid; 15598 if (outInfo.appearedChildPackages == null) { 15599 outInfo.appearedChildPackages = new ArrayMap<>(); 15600 } 15601 outInfo.appearedChildPackages.put(childPackageName, installRes); 15602 } 15603 } 15604 } 15605 } 15606 } 15607 15608 return ret; 15609 } 15610 15611 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15612 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15613 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15614 for (int nextUserId : userIds) { 15615 if (DEBUG_REMOVE) { 15616 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15617 } 15618 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15619 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15620 false /*hidden*/, false /*suspended*/, null, null, null, 15621 false /*blockUninstall*/, 15622 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15623 } 15624 } 15625 15626 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15627 PackageRemovedInfo outInfo) { 15628 final PackageParser.Package pkg; 15629 synchronized (mPackages) { 15630 pkg = mPackages.get(ps.name); 15631 } 15632 15633 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15634 : new int[] {userId}; 15635 for (int nextUserId : userIds) { 15636 if (DEBUG_REMOVE) { 15637 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15638 + nextUserId); 15639 } 15640 15641 destroyAppDataLIF(pkg, userId, 15642 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15643 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15644 schedulePackageCleaning(ps.name, nextUserId, false); 15645 synchronized (mPackages) { 15646 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15647 scheduleWritePackageRestrictionsLocked(nextUserId); 15648 } 15649 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15650 } 15651 } 15652 15653 if (outInfo != null) { 15654 outInfo.removedPackage = ps.name; 15655 outInfo.removedAppId = ps.appId; 15656 outInfo.removedUsers = userIds; 15657 } 15658 15659 return true; 15660 } 15661 15662 private final class ClearStorageConnection implements ServiceConnection { 15663 IMediaContainerService mContainerService; 15664 15665 @Override 15666 public void onServiceConnected(ComponentName name, IBinder service) { 15667 synchronized (this) { 15668 mContainerService = IMediaContainerService.Stub.asInterface(service); 15669 notifyAll(); 15670 } 15671 } 15672 15673 @Override 15674 public void onServiceDisconnected(ComponentName name) { 15675 } 15676 } 15677 15678 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15679 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15680 15681 final boolean mounted; 15682 if (Environment.isExternalStorageEmulated()) { 15683 mounted = true; 15684 } else { 15685 final String status = Environment.getExternalStorageState(); 15686 15687 mounted = status.equals(Environment.MEDIA_MOUNTED) 15688 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15689 } 15690 15691 if (!mounted) { 15692 return; 15693 } 15694 15695 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15696 int[] users; 15697 if (userId == UserHandle.USER_ALL) { 15698 users = sUserManager.getUserIds(); 15699 } else { 15700 users = new int[] { userId }; 15701 } 15702 final ClearStorageConnection conn = new ClearStorageConnection(); 15703 if (mContext.bindServiceAsUser( 15704 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15705 try { 15706 for (int curUser : users) { 15707 long timeout = SystemClock.uptimeMillis() + 5000; 15708 synchronized (conn) { 15709 long now = SystemClock.uptimeMillis(); 15710 while (conn.mContainerService == null && now < timeout) { 15711 try { 15712 conn.wait(timeout - now); 15713 } catch (InterruptedException e) { 15714 } 15715 } 15716 } 15717 if (conn.mContainerService == null) { 15718 return; 15719 } 15720 15721 final UserEnvironment userEnv = new UserEnvironment(curUser); 15722 clearDirectory(conn.mContainerService, 15723 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15724 if (allData) { 15725 clearDirectory(conn.mContainerService, 15726 userEnv.buildExternalStorageAppDataDirs(packageName)); 15727 clearDirectory(conn.mContainerService, 15728 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15729 } 15730 } 15731 } finally { 15732 mContext.unbindService(conn); 15733 } 15734 } 15735 } 15736 15737 @Override 15738 public void clearApplicationProfileData(String packageName) { 15739 enforceSystemOrRoot("Only the system can clear all profile data"); 15740 15741 final PackageParser.Package pkg; 15742 synchronized (mPackages) { 15743 pkg = mPackages.get(packageName); 15744 } 15745 15746 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 15747 synchronized (mInstallLock) { 15748 clearAppProfilesLIF(pkg); 15749 } 15750 } 15751 } 15752 15753 @Override 15754 public void clearApplicationUserData(final String packageName, 15755 final IPackageDataObserver observer, final int userId) { 15756 mContext.enforceCallingOrSelfPermission( 15757 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15758 15759 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15760 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15761 15762 final DevicePolicyManagerInternal dpmi = LocalServices 15763 .getService(DevicePolicyManagerInternal.class); 15764 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15765 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15766 } 15767 // Queue up an async operation since the package deletion may take a little while. 15768 mHandler.post(new Runnable() { 15769 public void run() { 15770 mHandler.removeCallbacks(this); 15771 final boolean succeeded; 15772 try (PackageFreezer freezer = freezePackage(packageName, 15773 "clearApplicationUserData")) { 15774 synchronized (mInstallLock) { 15775 succeeded = clearApplicationUserDataLIF(packageName, userId); 15776 } 15777 clearExternalStorageDataSync(packageName, userId, true); 15778 } 15779 if (succeeded) { 15780 // invoke DeviceStorageMonitor's update method to clear any notifications 15781 DeviceStorageMonitorInternal dsm = LocalServices 15782 .getService(DeviceStorageMonitorInternal.class); 15783 if (dsm != null) { 15784 dsm.checkMemory(); 15785 } 15786 } 15787 if(observer != null) { 15788 try { 15789 observer.onRemoveCompleted(packageName, succeeded); 15790 } catch (RemoteException e) { 15791 Log.i(TAG, "Observer no longer exists."); 15792 } 15793 } //end if observer 15794 } //end run 15795 }); 15796 } 15797 15798 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 15799 if (packageName == null) { 15800 Slog.w(TAG, "Attempt to delete null packageName."); 15801 return false; 15802 } 15803 15804 // Try finding details about the requested package 15805 PackageParser.Package pkg; 15806 synchronized (mPackages) { 15807 pkg = mPackages.get(packageName); 15808 if (pkg == null) { 15809 final PackageSetting ps = mSettings.mPackages.get(packageName); 15810 if (ps != null) { 15811 pkg = ps.pkg; 15812 } 15813 } 15814 15815 if (pkg == null) { 15816 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15817 return false; 15818 } 15819 15820 PackageSetting ps = (PackageSetting) pkg.mExtras; 15821 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15822 } 15823 15824 clearAppDataLIF(pkg, userId, 15825 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15826 15827 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15828 removeKeystoreDataIfNeeded(userId, appId); 15829 15830 final UserManager um = mContext.getSystemService(UserManager.class); 15831 final int flags; 15832 if (um.isUserUnlocked(userId)) { 15833 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 15834 } else if (um.isUserRunning(userId)) { 15835 flags = StorageManager.FLAG_STORAGE_DE; 15836 } else { 15837 flags = 0; 15838 } 15839 prepareAppDataContentsLIF(pkg, userId, flags); 15840 15841 return true; 15842 } 15843 15844 /** 15845 * Reverts user permission state changes (permissions and flags) in 15846 * all packages for a given user. 15847 * 15848 * @param userId The device user for which to do a reset. 15849 */ 15850 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15851 final int packageCount = mPackages.size(); 15852 for (int i = 0; i < packageCount; i++) { 15853 PackageParser.Package pkg = mPackages.valueAt(i); 15854 PackageSetting ps = (PackageSetting) pkg.mExtras; 15855 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15856 } 15857 } 15858 15859 /** 15860 * Reverts user permission state changes (permissions and flags). 15861 * 15862 * @param ps The package for which to reset. 15863 * @param userId The device user for which to do a reset. 15864 */ 15865 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15866 final PackageSetting ps, final int userId) { 15867 if (ps.pkg == null) { 15868 return; 15869 } 15870 15871 // These are flags that can change base on user actions. 15872 final int userSettableMask = FLAG_PERMISSION_USER_SET 15873 | FLAG_PERMISSION_USER_FIXED 15874 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15875 | FLAG_PERMISSION_REVIEW_REQUIRED; 15876 15877 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15878 | FLAG_PERMISSION_POLICY_FIXED; 15879 15880 boolean writeInstallPermissions = false; 15881 boolean writeRuntimePermissions = false; 15882 15883 final int permissionCount = ps.pkg.requestedPermissions.size(); 15884 for (int i = 0; i < permissionCount; i++) { 15885 String permission = ps.pkg.requestedPermissions.get(i); 15886 15887 BasePermission bp = mSettings.mPermissions.get(permission); 15888 if (bp == null) { 15889 continue; 15890 } 15891 15892 // If shared user we just reset the state to which only this app contributed. 15893 if (ps.sharedUser != null) { 15894 boolean used = false; 15895 final int packageCount = ps.sharedUser.packages.size(); 15896 for (int j = 0; j < packageCount; j++) { 15897 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15898 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15899 && pkg.pkg.requestedPermissions.contains(permission)) { 15900 used = true; 15901 break; 15902 } 15903 } 15904 if (used) { 15905 continue; 15906 } 15907 } 15908 15909 PermissionsState permissionsState = ps.getPermissionsState(); 15910 15911 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15912 15913 // Always clear the user settable flags. 15914 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15915 bp.name) != null; 15916 // If permission review is enabled and this is a legacy app, mark the 15917 // permission as requiring a review as this is the initial state. 15918 int flags = 0; 15919 if (Build.PERMISSIONS_REVIEW_REQUIRED 15920 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15921 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15922 } 15923 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15924 if (hasInstallState) { 15925 writeInstallPermissions = true; 15926 } else { 15927 writeRuntimePermissions = true; 15928 } 15929 } 15930 15931 // Below is only runtime permission handling. 15932 if (!bp.isRuntime()) { 15933 continue; 15934 } 15935 15936 // Never clobber system or policy. 15937 if ((oldFlags & policyOrSystemFlags) != 0) { 15938 continue; 15939 } 15940 15941 // If this permission was granted by default, make sure it is. 15942 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15943 if (permissionsState.grantRuntimePermission(bp, userId) 15944 != PERMISSION_OPERATION_FAILURE) { 15945 writeRuntimePermissions = true; 15946 } 15947 // If permission review is enabled the permissions for a legacy apps 15948 // are represented as constantly granted runtime ones, so don't revoke. 15949 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15950 // Otherwise, reset the permission. 15951 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15952 switch (revokeResult) { 15953 case PERMISSION_OPERATION_SUCCESS: 15954 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15955 writeRuntimePermissions = true; 15956 final int appId = ps.appId; 15957 mHandler.post(new Runnable() { 15958 @Override 15959 public void run() { 15960 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 15961 } 15962 }); 15963 } break; 15964 } 15965 } 15966 } 15967 15968 // Synchronously write as we are taking permissions away. 15969 if (writeRuntimePermissions) { 15970 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15971 } 15972 15973 // Synchronously write as we are taking permissions away. 15974 if (writeInstallPermissions) { 15975 mSettings.writeLPr(); 15976 } 15977 } 15978 15979 /** 15980 * Remove entries from the keystore daemon. Will only remove it if the 15981 * {@code appId} is valid. 15982 */ 15983 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15984 if (appId < 0) { 15985 return; 15986 } 15987 15988 final KeyStore keyStore = KeyStore.getInstance(); 15989 if (keyStore != null) { 15990 if (userId == UserHandle.USER_ALL) { 15991 for (final int individual : sUserManager.getUserIds()) { 15992 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15993 } 15994 } else { 15995 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15996 } 15997 } else { 15998 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15999 } 16000 } 16001 16002 @Override 16003 public void deleteApplicationCacheFiles(final String packageName, 16004 final IPackageDataObserver observer) { 16005 mContext.enforceCallingOrSelfPermission( 16006 android.Manifest.permission.DELETE_CACHE_FILES, null); 16007 // Queue up an async operation since the package deletion may take a little while. 16008 final int userId = UserHandle.getCallingUserId(); 16009 16010 final PackageParser.Package pkg; 16011 synchronized (mPackages) { 16012 pkg = mPackages.get(packageName); 16013 } 16014 16015 mHandler.post(new Runnable() { 16016 public void run() { 16017 try (PackageFreezer freezer = freezePackage(packageName, 16018 "deleteApplicationCacheFiles")) { 16019 synchronized (mInstallLock) { 16020 final int flags = StorageManager.FLAG_STORAGE_DE 16021 | StorageManager.FLAG_STORAGE_CE; 16022 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16023 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16024 } 16025 clearExternalStorageDataSync(packageName, userId, false); 16026 } 16027 if (observer != null) { 16028 try { 16029 observer.onRemoveCompleted(packageName, true); 16030 } catch (RemoteException e) { 16031 Log.i(TAG, "Observer no longer exists."); 16032 } 16033 } 16034 } 16035 }); 16036 } 16037 16038 @Override 16039 public void getPackageSizeInfo(final String packageName, int userHandle, 16040 final IPackageStatsObserver observer) { 16041 mContext.enforceCallingOrSelfPermission( 16042 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16043 if (packageName == null) { 16044 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16045 } 16046 16047 PackageStats stats = new PackageStats(packageName, userHandle); 16048 16049 /* 16050 * Queue up an async operation since the package measurement may take a 16051 * little while. 16052 */ 16053 Message msg = mHandler.obtainMessage(INIT_COPY); 16054 msg.obj = new MeasureParams(stats, observer); 16055 mHandler.sendMessage(msg); 16056 } 16057 16058 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16059 final PackageSetting ps; 16060 synchronized (mPackages) { 16061 ps = mSettings.mPackages.get(packageName); 16062 if (ps == null) { 16063 Slog.w(TAG, "Failed to find settings for " + packageName); 16064 return false; 16065 } 16066 } 16067 try { 16068 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16069 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16070 ps.getCeDataInode(userId), ps.codePathString, stats); 16071 return true; 16072 } catch (InstallerException e) { 16073 Slog.w(TAG, String.valueOf(e)); 16074 return false; 16075 } 16076 } 16077 16078 private int getUidTargetSdkVersionLockedLPr(int uid) { 16079 Object obj = mSettings.getUserIdLPr(uid); 16080 if (obj instanceof SharedUserSetting) { 16081 final SharedUserSetting sus = (SharedUserSetting) obj; 16082 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16083 final Iterator<PackageSetting> it = sus.packages.iterator(); 16084 while (it.hasNext()) { 16085 final PackageSetting ps = it.next(); 16086 if (ps.pkg != null) { 16087 int v = ps.pkg.applicationInfo.targetSdkVersion; 16088 if (v < vers) vers = v; 16089 } 16090 } 16091 return vers; 16092 } else if (obj instanceof PackageSetting) { 16093 final PackageSetting ps = (PackageSetting) obj; 16094 if (ps.pkg != null) { 16095 return ps.pkg.applicationInfo.targetSdkVersion; 16096 } 16097 } 16098 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16099 } 16100 16101 @Override 16102 public void addPreferredActivity(IntentFilter filter, int match, 16103 ComponentName[] set, ComponentName activity, int userId) { 16104 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16105 "Adding preferred"); 16106 } 16107 16108 private void addPreferredActivityInternal(IntentFilter filter, int match, 16109 ComponentName[] set, ComponentName activity, boolean always, int userId, 16110 String opname) { 16111 // writer 16112 int callingUid = Binder.getCallingUid(); 16113 enforceCrossUserPermission(callingUid, userId, 16114 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16115 if (filter.countActions() == 0) { 16116 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16117 return; 16118 } 16119 synchronized (mPackages) { 16120 if (mContext.checkCallingOrSelfPermission( 16121 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16122 != PackageManager.PERMISSION_GRANTED) { 16123 if (getUidTargetSdkVersionLockedLPr(callingUid) 16124 < Build.VERSION_CODES.FROYO) { 16125 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16126 + callingUid); 16127 return; 16128 } 16129 mContext.enforceCallingOrSelfPermission( 16130 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16131 } 16132 16133 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16134 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16135 + userId + ":"); 16136 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16137 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16138 scheduleWritePackageRestrictionsLocked(userId); 16139 } 16140 } 16141 16142 @Override 16143 public void replacePreferredActivity(IntentFilter filter, int match, 16144 ComponentName[] set, ComponentName activity, int userId) { 16145 if (filter.countActions() != 1) { 16146 throw new IllegalArgumentException( 16147 "replacePreferredActivity expects filter to have only 1 action."); 16148 } 16149 if (filter.countDataAuthorities() != 0 16150 || filter.countDataPaths() != 0 16151 || filter.countDataSchemes() > 1 16152 || filter.countDataTypes() != 0) { 16153 throw new IllegalArgumentException( 16154 "replacePreferredActivity expects filter to have no data authorities, " + 16155 "paths, or types; and at most one scheme."); 16156 } 16157 16158 final int callingUid = Binder.getCallingUid(); 16159 enforceCrossUserPermission(callingUid, userId, 16160 true /* requireFullPermission */, false /* checkShell */, 16161 "replace preferred activity"); 16162 synchronized (mPackages) { 16163 if (mContext.checkCallingOrSelfPermission( 16164 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16165 != PackageManager.PERMISSION_GRANTED) { 16166 if (getUidTargetSdkVersionLockedLPr(callingUid) 16167 < Build.VERSION_CODES.FROYO) { 16168 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16169 + Binder.getCallingUid()); 16170 return; 16171 } 16172 mContext.enforceCallingOrSelfPermission( 16173 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16174 } 16175 16176 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16177 if (pir != null) { 16178 // Get all of the existing entries that exactly match this filter. 16179 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16180 if (existing != null && existing.size() == 1) { 16181 PreferredActivity cur = existing.get(0); 16182 if (DEBUG_PREFERRED) { 16183 Slog.i(TAG, "Checking replace of preferred:"); 16184 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16185 if (!cur.mPref.mAlways) { 16186 Slog.i(TAG, " -- CUR; not mAlways!"); 16187 } else { 16188 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16189 Slog.i(TAG, " -- CUR: mSet=" 16190 + Arrays.toString(cur.mPref.mSetComponents)); 16191 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16192 Slog.i(TAG, " -- NEW: mMatch=" 16193 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16194 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16195 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16196 } 16197 } 16198 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16199 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16200 && cur.mPref.sameSet(set)) { 16201 // Setting the preferred activity to what it happens to be already 16202 if (DEBUG_PREFERRED) { 16203 Slog.i(TAG, "Replacing with same preferred activity " 16204 + cur.mPref.mShortComponent + " for user " 16205 + userId + ":"); 16206 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16207 } 16208 return; 16209 } 16210 } 16211 16212 if (existing != null) { 16213 if (DEBUG_PREFERRED) { 16214 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16215 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16216 } 16217 for (int i = 0; i < existing.size(); i++) { 16218 PreferredActivity pa = existing.get(i); 16219 if (DEBUG_PREFERRED) { 16220 Slog.i(TAG, "Removing existing preferred activity " 16221 + pa.mPref.mComponent + ":"); 16222 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16223 } 16224 pir.removeFilter(pa); 16225 } 16226 } 16227 } 16228 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16229 "Replacing preferred"); 16230 } 16231 } 16232 16233 @Override 16234 public void clearPackagePreferredActivities(String packageName) { 16235 final int uid = Binder.getCallingUid(); 16236 // writer 16237 synchronized (mPackages) { 16238 PackageParser.Package pkg = mPackages.get(packageName); 16239 if (pkg == null || pkg.applicationInfo.uid != uid) { 16240 if (mContext.checkCallingOrSelfPermission( 16241 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16242 != PackageManager.PERMISSION_GRANTED) { 16243 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16244 < Build.VERSION_CODES.FROYO) { 16245 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16246 + Binder.getCallingUid()); 16247 return; 16248 } 16249 mContext.enforceCallingOrSelfPermission( 16250 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16251 } 16252 } 16253 16254 int user = UserHandle.getCallingUserId(); 16255 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16256 scheduleWritePackageRestrictionsLocked(user); 16257 } 16258 } 16259 } 16260 16261 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16262 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16263 ArrayList<PreferredActivity> removed = null; 16264 boolean changed = false; 16265 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16266 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16267 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16268 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16269 continue; 16270 } 16271 Iterator<PreferredActivity> it = pir.filterIterator(); 16272 while (it.hasNext()) { 16273 PreferredActivity pa = it.next(); 16274 // Mark entry for removal only if it matches the package name 16275 // and the entry is of type "always". 16276 if (packageName == null || 16277 (pa.mPref.mComponent.getPackageName().equals(packageName) 16278 && pa.mPref.mAlways)) { 16279 if (removed == null) { 16280 removed = new ArrayList<PreferredActivity>(); 16281 } 16282 removed.add(pa); 16283 } 16284 } 16285 if (removed != null) { 16286 for (int j=0; j<removed.size(); j++) { 16287 PreferredActivity pa = removed.get(j); 16288 pir.removeFilter(pa); 16289 } 16290 changed = true; 16291 } 16292 } 16293 return changed; 16294 } 16295 16296 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16297 private void clearIntentFilterVerificationsLPw(int userId) { 16298 final int packageCount = mPackages.size(); 16299 for (int i = 0; i < packageCount; i++) { 16300 PackageParser.Package pkg = mPackages.valueAt(i); 16301 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16302 } 16303 } 16304 16305 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16306 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16307 if (userId == UserHandle.USER_ALL) { 16308 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16309 sUserManager.getUserIds())) { 16310 for (int oneUserId : sUserManager.getUserIds()) { 16311 scheduleWritePackageRestrictionsLocked(oneUserId); 16312 } 16313 } 16314 } else { 16315 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16316 scheduleWritePackageRestrictionsLocked(userId); 16317 } 16318 } 16319 } 16320 16321 void clearDefaultBrowserIfNeeded(String packageName) { 16322 for (int oneUserId : sUserManager.getUserIds()) { 16323 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16324 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16325 if (packageName.equals(defaultBrowserPackageName)) { 16326 setDefaultBrowserPackageName(null, oneUserId); 16327 } 16328 } 16329 } 16330 16331 @Override 16332 public void resetApplicationPreferences(int userId) { 16333 mContext.enforceCallingOrSelfPermission( 16334 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16335 // writer 16336 synchronized (mPackages) { 16337 final long identity = Binder.clearCallingIdentity(); 16338 try { 16339 clearPackagePreferredActivitiesLPw(null, userId); 16340 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16341 // TODO: We have to reset the default SMS and Phone. This requires 16342 // significant refactoring to keep all default apps in the package 16343 // manager (cleaner but more work) or have the services provide 16344 // callbacks to the package manager to request a default app reset. 16345 applyFactoryDefaultBrowserLPw(userId); 16346 clearIntentFilterVerificationsLPw(userId); 16347 primeDomainVerificationsLPw(userId); 16348 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16349 scheduleWritePackageRestrictionsLocked(userId); 16350 } finally { 16351 Binder.restoreCallingIdentity(identity); 16352 } 16353 } 16354 } 16355 16356 @Override 16357 public int getPreferredActivities(List<IntentFilter> outFilters, 16358 List<ComponentName> outActivities, String packageName) { 16359 16360 int num = 0; 16361 final int userId = UserHandle.getCallingUserId(); 16362 // reader 16363 synchronized (mPackages) { 16364 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16365 if (pir != null) { 16366 final Iterator<PreferredActivity> it = pir.filterIterator(); 16367 while (it.hasNext()) { 16368 final PreferredActivity pa = it.next(); 16369 if (packageName == null 16370 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16371 && pa.mPref.mAlways)) { 16372 if (outFilters != null) { 16373 outFilters.add(new IntentFilter(pa)); 16374 } 16375 if (outActivities != null) { 16376 outActivities.add(pa.mPref.mComponent); 16377 } 16378 } 16379 } 16380 } 16381 } 16382 16383 return num; 16384 } 16385 16386 @Override 16387 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16388 int userId) { 16389 int callingUid = Binder.getCallingUid(); 16390 if (callingUid != Process.SYSTEM_UID) { 16391 throw new SecurityException( 16392 "addPersistentPreferredActivity can only be run by the system"); 16393 } 16394 if (filter.countActions() == 0) { 16395 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16396 return; 16397 } 16398 synchronized (mPackages) { 16399 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16400 ":"); 16401 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16402 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16403 new PersistentPreferredActivity(filter, activity)); 16404 scheduleWritePackageRestrictionsLocked(userId); 16405 } 16406 } 16407 16408 @Override 16409 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16410 int callingUid = Binder.getCallingUid(); 16411 if (callingUid != Process.SYSTEM_UID) { 16412 throw new SecurityException( 16413 "clearPackagePersistentPreferredActivities can only be run by the system"); 16414 } 16415 ArrayList<PersistentPreferredActivity> removed = null; 16416 boolean changed = false; 16417 synchronized (mPackages) { 16418 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16419 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16420 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16421 .valueAt(i); 16422 if (userId != thisUserId) { 16423 continue; 16424 } 16425 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16426 while (it.hasNext()) { 16427 PersistentPreferredActivity ppa = it.next(); 16428 // Mark entry for removal only if it matches the package name. 16429 if (ppa.mComponent.getPackageName().equals(packageName)) { 16430 if (removed == null) { 16431 removed = new ArrayList<PersistentPreferredActivity>(); 16432 } 16433 removed.add(ppa); 16434 } 16435 } 16436 if (removed != null) { 16437 for (int j=0; j<removed.size(); j++) { 16438 PersistentPreferredActivity ppa = removed.get(j); 16439 ppir.removeFilter(ppa); 16440 } 16441 changed = true; 16442 } 16443 } 16444 16445 if (changed) { 16446 scheduleWritePackageRestrictionsLocked(userId); 16447 } 16448 } 16449 } 16450 16451 /** 16452 * Common machinery for picking apart a restored XML blob and passing 16453 * it to a caller-supplied functor to be applied to the running system. 16454 */ 16455 private void restoreFromXml(XmlPullParser parser, int userId, 16456 String expectedStartTag, BlobXmlRestorer functor) 16457 throws IOException, XmlPullParserException { 16458 int type; 16459 while ((type = parser.next()) != XmlPullParser.START_TAG 16460 && type != XmlPullParser.END_DOCUMENT) { 16461 } 16462 if (type != XmlPullParser.START_TAG) { 16463 // oops didn't find a start tag?! 16464 if (DEBUG_BACKUP) { 16465 Slog.e(TAG, "Didn't find start tag during restore"); 16466 } 16467 return; 16468 } 16469Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16470 // this is supposed to be TAG_PREFERRED_BACKUP 16471 if (!expectedStartTag.equals(parser.getName())) { 16472 if (DEBUG_BACKUP) { 16473 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16474 } 16475 return; 16476 } 16477 16478 // skip interfering stuff, then we're aligned with the backing implementation 16479 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16480Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16481 functor.apply(parser, userId); 16482 } 16483 16484 private interface BlobXmlRestorer { 16485 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16486 } 16487 16488 /** 16489 * Non-Binder method, support for the backup/restore mechanism: write the 16490 * full set of preferred activities in its canonical XML format. Returns the 16491 * XML output as a byte array, or null if there is none. 16492 */ 16493 @Override 16494 public byte[] getPreferredActivityBackup(int userId) { 16495 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16496 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16497 } 16498 16499 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16500 try { 16501 final XmlSerializer serializer = new FastXmlSerializer(); 16502 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16503 serializer.startDocument(null, true); 16504 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16505 16506 synchronized (mPackages) { 16507 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16508 } 16509 16510 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16511 serializer.endDocument(); 16512 serializer.flush(); 16513 } catch (Exception e) { 16514 if (DEBUG_BACKUP) { 16515 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16516 } 16517 return null; 16518 } 16519 16520 return dataStream.toByteArray(); 16521 } 16522 16523 @Override 16524 public void restorePreferredActivities(byte[] backup, int userId) { 16525 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16526 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16527 } 16528 16529 try { 16530 final XmlPullParser parser = Xml.newPullParser(); 16531 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16532 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16533 new BlobXmlRestorer() { 16534 @Override 16535 public void apply(XmlPullParser parser, int userId) 16536 throws XmlPullParserException, IOException { 16537 synchronized (mPackages) { 16538 mSettings.readPreferredActivitiesLPw(parser, userId); 16539 } 16540 } 16541 } ); 16542 } catch (Exception e) { 16543 if (DEBUG_BACKUP) { 16544 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16545 } 16546 } 16547 } 16548 16549 /** 16550 * Non-Binder method, support for the backup/restore mechanism: write the 16551 * default browser (etc) settings in its canonical XML format. Returns the default 16552 * browser XML representation as a byte array, or null if there is none. 16553 */ 16554 @Override 16555 public byte[] getDefaultAppsBackup(int userId) { 16556 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16557 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16558 } 16559 16560 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16561 try { 16562 final XmlSerializer serializer = new FastXmlSerializer(); 16563 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16564 serializer.startDocument(null, true); 16565 serializer.startTag(null, TAG_DEFAULT_APPS); 16566 16567 synchronized (mPackages) { 16568 mSettings.writeDefaultAppsLPr(serializer, userId); 16569 } 16570 16571 serializer.endTag(null, TAG_DEFAULT_APPS); 16572 serializer.endDocument(); 16573 serializer.flush(); 16574 } catch (Exception e) { 16575 if (DEBUG_BACKUP) { 16576 Slog.e(TAG, "Unable to write default apps for backup", e); 16577 } 16578 return null; 16579 } 16580 16581 return dataStream.toByteArray(); 16582 } 16583 16584 @Override 16585 public void restoreDefaultApps(byte[] backup, int userId) { 16586 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16587 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16588 } 16589 16590 try { 16591 final XmlPullParser parser = Xml.newPullParser(); 16592 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16593 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16594 new BlobXmlRestorer() { 16595 @Override 16596 public void apply(XmlPullParser parser, int userId) 16597 throws XmlPullParserException, IOException { 16598 synchronized (mPackages) { 16599 mSettings.readDefaultAppsLPw(parser, userId); 16600 } 16601 } 16602 } ); 16603 } catch (Exception e) { 16604 if (DEBUG_BACKUP) { 16605 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16606 } 16607 } 16608 } 16609 16610 @Override 16611 public byte[] getIntentFilterVerificationBackup(int userId) { 16612 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16613 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16614 } 16615 16616 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16617 try { 16618 final XmlSerializer serializer = new FastXmlSerializer(); 16619 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16620 serializer.startDocument(null, true); 16621 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16622 16623 synchronized (mPackages) { 16624 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16625 } 16626 16627 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16628 serializer.endDocument(); 16629 serializer.flush(); 16630 } catch (Exception e) { 16631 if (DEBUG_BACKUP) { 16632 Slog.e(TAG, "Unable to write default apps for backup", e); 16633 } 16634 return null; 16635 } 16636 16637 return dataStream.toByteArray(); 16638 } 16639 16640 @Override 16641 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16642 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16643 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16644 } 16645 16646 try { 16647 final XmlPullParser parser = Xml.newPullParser(); 16648 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16649 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16650 new BlobXmlRestorer() { 16651 @Override 16652 public void apply(XmlPullParser parser, int userId) 16653 throws XmlPullParserException, IOException { 16654 synchronized (mPackages) { 16655 mSettings.readAllDomainVerificationsLPr(parser, userId); 16656 mSettings.writeLPr(); 16657 } 16658 } 16659 } ); 16660 } catch (Exception e) { 16661 if (DEBUG_BACKUP) { 16662 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16663 } 16664 } 16665 } 16666 16667 @Override 16668 public byte[] getPermissionGrantBackup(int userId) { 16669 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16670 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16671 } 16672 16673 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16674 try { 16675 final XmlSerializer serializer = new FastXmlSerializer(); 16676 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16677 serializer.startDocument(null, true); 16678 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16679 16680 synchronized (mPackages) { 16681 serializeRuntimePermissionGrantsLPr(serializer, userId); 16682 } 16683 16684 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16685 serializer.endDocument(); 16686 serializer.flush(); 16687 } catch (Exception e) { 16688 if (DEBUG_BACKUP) { 16689 Slog.e(TAG, "Unable to write default apps for backup", e); 16690 } 16691 return null; 16692 } 16693 16694 return dataStream.toByteArray(); 16695 } 16696 16697 @Override 16698 public void restorePermissionGrants(byte[] backup, int userId) { 16699 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16700 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16701 } 16702 16703 try { 16704 final XmlPullParser parser = Xml.newPullParser(); 16705 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16706 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16707 new BlobXmlRestorer() { 16708 @Override 16709 public void apply(XmlPullParser parser, int userId) 16710 throws XmlPullParserException, IOException { 16711 synchronized (mPackages) { 16712 processRestoredPermissionGrantsLPr(parser, userId); 16713 } 16714 } 16715 } ); 16716 } catch (Exception e) { 16717 if (DEBUG_BACKUP) { 16718 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16719 } 16720 } 16721 } 16722 16723 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16724 throws IOException { 16725 serializer.startTag(null, TAG_ALL_GRANTS); 16726 16727 final int N = mSettings.mPackages.size(); 16728 for (int i = 0; i < N; i++) { 16729 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16730 boolean pkgGrantsKnown = false; 16731 16732 PermissionsState packagePerms = ps.getPermissionsState(); 16733 16734 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16735 final int grantFlags = state.getFlags(); 16736 // only look at grants that are not system/policy fixed 16737 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16738 final boolean isGranted = state.isGranted(); 16739 // And only back up the user-twiddled state bits 16740 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16741 final String packageName = mSettings.mPackages.keyAt(i); 16742 if (!pkgGrantsKnown) { 16743 serializer.startTag(null, TAG_GRANT); 16744 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16745 pkgGrantsKnown = true; 16746 } 16747 16748 final boolean userSet = 16749 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16750 final boolean userFixed = 16751 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16752 final boolean revoke = 16753 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16754 16755 serializer.startTag(null, TAG_PERMISSION); 16756 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16757 if (isGranted) { 16758 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16759 } 16760 if (userSet) { 16761 serializer.attribute(null, ATTR_USER_SET, "true"); 16762 } 16763 if (userFixed) { 16764 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16765 } 16766 if (revoke) { 16767 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16768 } 16769 serializer.endTag(null, TAG_PERMISSION); 16770 } 16771 } 16772 } 16773 16774 if (pkgGrantsKnown) { 16775 serializer.endTag(null, TAG_GRANT); 16776 } 16777 } 16778 16779 serializer.endTag(null, TAG_ALL_GRANTS); 16780 } 16781 16782 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16783 throws XmlPullParserException, IOException { 16784 String pkgName = null; 16785 int outerDepth = parser.getDepth(); 16786 int type; 16787 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16788 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16789 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16790 continue; 16791 } 16792 16793 final String tagName = parser.getName(); 16794 if (tagName.equals(TAG_GRANT)) { 16795 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16796 if (DEBUG_BACKUP) { 16797 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16798 } 16799 } else if (tagName.equals(TAG_PERMISSION)) { 16800 16801 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16802 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16803 16804 int newFlagSet = 0; 16805 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16806 newFlagSet |= FLAG_PERMISSION_USER_SET; 16807 } 16808 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16809 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16810 } 16811 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16812 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16813 } 16814 if (DEBUG_BACKUP) { 16815 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16816 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16817 } 16818 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16819 if (ps != null) { 16820 // Already installed so we apply the grant immediately 16821 if (DEBUG_BACKUP) { 16822 Slog.v(TAG, " + already installed; applying"); 16823 } 16824 PermissionsState perms = ps.getPermissionsState(); 16825 BasePermission bp = mSettings.mPermissions.get(permName); 16826 if (bp != null) { 16827 if (isGranted) { 16828 perms.grantRuntimePermission(bp, userId); 16829 } 16830 if (newFlagSet != 0) { 16831 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16832 } 16833 } 16834 } else { 16835 // Need to wait for post-restore install to apply the grant 16836 if (DEBUG_BACKUP) { 16837 Slog.v(TAG, " - not yet installed; saving for later"); 16838 } 16839 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16840 isGranted, newFlagSet, userId); 16841 } 16842 } else { 16843 PackageManagerService.reportSettingsProblem(Log.WARN, 16844 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16845 XmlUtils.skipCurrentTag(parser); 16846 } 16847 } 16848 16849 scheduleWriteSettingsLocked(); 16850 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16851 } 16852 16853 @Override 16854 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16855 int sourceUserId, int targetUserId, int flags) { 16856 mContext.enforceCallingOrSelfPermission( 16857 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16858 int callingUid = Binder.getCallingUid(); 16859 enforceOwnerRights(ownerPackage, callingUid); 16860 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16861 if (intentFilter.countActions() == 0) { 16862 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16863 return; 16864 } 16865 synchronized (mPackages) { 16866 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16867 ownerPackage, targetUserId, flags); 16868 CrossProfileIntentResolver resolver = 16869 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16870 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16871 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16872 if (existing != null) { 16873 int size = existing.size(); 16874 for (int i = 0; i < size; i++) { 16875 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16876 return; 16877 } 16878 } 16879 } 16880 resolver.addFilter(newFilter); 16881 scheduleWritePackageRestrictionsLocked(sourceUserId); 16882 } 16883 } 16884 16885 @Override 16886 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16887 mContext.enforceCallingOrSelfPermission( 16888 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16889 int callingUid = Binder.getCallingUid(); 16890 enforceOwnerRights(ownerPackage, callingUid); 16891 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16892 synchronized (mPackages) { 16893 CrossProfileIntentResolver resolver = 16894 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16895 ArraySet<CrossProfileIntentFilter> set = 16896 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16897 for (CrossProfileIntentFilter filter : set) { 16898 if (filter.getOwnerPackage().equals(ownerPackage)) { 16899 resolver.removeFilter(filter); 16900 } 16901 } 16902 scheduleWritePackageRestrictionsLocked(sourceUserId); 16903 } 16904 } 16905 16906 // Enforcing that callingUid is owning pkg on userId 16907 private void enforceOwnerRights(String pkg, int callingUid) { 16908 // The system owns everything. 16909 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16910 return; 16911 } 16912 int callingUserId = UserHandle.getUserId(callingUid); 16913 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16914 if (pi == null) { 16915 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16916 + callingUserId); 16917 } 16918 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16919 throw new SecurityException("Calling uid " + callingUid 16920 + " does not own package " + pkg); 16921 } 16922 } 16923 16924 @Override 16925 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16926 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16927 } 16928 16929 private Intent getHomeIntent() { 16930 Intent intent = new Intent(Intent.ACTION_MAIN); 16931 intent.addCategory(Intent.CATEGORY_HOME); 16932 return intent; 16933 } 16934 16935 private IntentFilter getHomeFilter() { 16936 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16937 filter.addCategory(Intent.CATEGORY_HOME); 16938 filter.addCategory(Intent.CATEGORY_DEFAULT); 16939 return filter; 16940 } 16941 16942 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16943 int userId) { 16944 Intent intent = getHomeIntent(); 16945 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16946 PackageManager.GET_META_DATA, userId); 16947 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16948 true, false, false, userId); 16949 16950 allHomeCandidates.clear(); 16951 if (list != null) { 16952 for (ResolveInfo ri : list) { 16953 allHomeCandidates.add(ri); 16954 } 16955 } 16956 return (preferred == null || preferred.activityInfo == null) 16957 ? null 16958 : new ComponentName(preferred.activityInfo.packageName, 16959 preferred.activityInfo.name); 16960 } 16961 16962 @Override 16963 public void setHomeActivity(ComponentName comp, int userId) { 16964 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16965 getHomeActivitiesAsUser(homeActivities, userId); 16966 16967 boolean found = false; 16968 16969 final int size = homeActivities.size(); 16970 final ComponentName[] set = new ComponentName[size]; 16971 for (int i = 0; i < size; i++) { 16972 final ResolveInfo candidate = homeActivities.get(i); 16973 final ActivityInfo info = candidate.activityInfo; 16974 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16975 set[i] = activityName; 16976 if (!found && activityName.equals(comp)) { 16977 found = true; 16978 } 16979 } 16980 if (!found) { 16981 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16982 + userId); 16983 } 16984 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16985 set, comp, userId); 16986 } 16987 16988 private @Nullable String getSetupWizardPackageName() { 16989 final Intent intent = new Intent(Intent.ACTION_MAIN); 16990 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 16991 16992 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 16993 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 16994 | MATCH_DISABLED_COMPONENTS, 16995 UserHandle.myUserId()); 16996 if (matches.size() == 1) { 16997 return matches.get(0).getComponentInfo().packageName; 16998 } else { 16999 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17000 + ": matches=" + matches); 17001 return null; 17002 } 17003 } 17004 17005 @Override 17006 public void setApplicationEnabledSetting(String appPackageName, 17007 int newState, int flags, int userId, String callingPackage) { 17008 if (!sUserManager.exists(userId)) return; 17009 if (callingPackage == null) { 17010 callingPackage = Integer.toString(Binder.getCallingUid()); 17011 } 17012 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17013 } 17014 17015 @Override 17016 public void setComponentEnabledSetting(ComponentName componentName, 17017 int newState, int flags, int userId) { 17018 if (!sUserManager.exists(userId)) return; 17019 setEnabledSetting(componentName.getPackageName(), 17020 componentName.getClassName(), newState, flags, userId, null); 17021 } 17022 17023 private void setEnabledSetting(final String packageName, String className, int newState, 17024 final int flags, int userId, String callingPackage) { 17025 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17026 || newState == COMPONENT_ENABLED_STATE_ENABLED 17027 || newState == COMPONENT_ENABLED_STATE_DISABLED 17028 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17029 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17030 throw new IllegalArgumentException("Invalid new component state: " 17031 + newState); 17032 } 17033 PackageSetting pkgSetting; 17034 final int uid = Binder.getCallingUid(); 17035 final int permission = mContext.checkCallingOrSelfPermission( 17036 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17037 enforceCrossUserPermission(uid, userId, 17038 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17039 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17040 boolean sendNow = false; 17041 boolean isApp = (className == null); 17042 String componentName = isApp ? packageName : className; 17043 int packageUid = -1; 17044 ArrayList<String> components; 17045 17046 // writer 17047 synchronized (mPackages) { 17048 pkgSetting = mSettings.mPackages.get(packageName); 17049 if (pkgSetting == null) { 17050 if (className == null) { 17051 throw new IllegalArgumentException("Unknown package: " + packageName); 17052 } 17053 throw new IllegalArgumentException( 17054 "Unknown component: " + packageName + "/" + className); 17055 } 17056 // Allow root and verify that userId is not being specified by a different user 17057 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17058 throw new SecurityException( 17059 "Permission Denial: attempt to change component state from pid=" 17060 + Binder.getCallingPid() 17061 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17062 } 17063 if (className == null) { 17064 // We're dealing with an application/package level state change 17065 if (pkgSetting.getEnabled(userId) == newState) { 17066 // Nothing to do 17067 return; 17068 } 17069 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17070 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17071 // Don't care about who enables an app. 17072 callingPackage = null; 17073 } 17074 pkgSetting.setEnabled(newState, userId, callingPackage); 17075 // pkgSetting.pkg.mSetEnabled = newState; 17076 } else { 17077 // We're dealing with a component level state change 17078 // First, verify that this is a valid class name. 17079 PackageParser.Package pkg = pkgSetting.pkg; 17080 if (pkg == null || !pkg.hasComponentClassName(className)) { 17081 if (pkg != null && 17082 pkg.applicationInfo.targetSdkVersion >= 17083 Build.VERSION_CODES.JELLY_BEAN) { 17084 throw new IllegalArgumentException("Component class " + className 17085 + " does not exist in " + packageName); 17086 } else { 17087 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17088 + className + " does not exist in " + packageName); 17089 } 17090 } 17091 switch (newState) { 17092 case COMPONENT_ENABLED_STATE_ENABLED: 17093 if (!pkgSetting.enableComponentLPw(className, userId)) { 17094 return; 17095 } 17096 break; 17097 case COMPONENT_ENABLED_STATE_DISABLED: 17098 if (!pkgSetting.disableComponentLPw(className, userId)) { 17099 return; 17100 } 17101 break; 17102 case COMPONENT_ENABLED_STATE_DEFAULT: 17103 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17104 return; 17105 } 17106 break; 17107 default: 17108 Slog.e(TAG, "Invalid new component state: " + newState); 17109 return; 17110 } 17111 } 17112 scheduleWritePackageRestrictionsLocked(userId); 17113 components = mPendingBroadcasts.get(userId, packageName); 17114 final boolean newPackage = components == null; 17115 if (newPackage) { 17116 components = new ArrayList<String>(); 17117 } 17118 if (!components.contains(componentName)) { 17119 components.add(componentName); 17120 } 17121 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17122 sendNow = true; 17123 // Purge entry from pending broadcast list if another one exists already 17124 // since we are sending one right away. 17125 mPendingBroadcasts.remove(userId, packageName); 17126 } else { 17127 if (newPackage) { 17128 mPendingBroadcasts.put(userId, packageName, components); 17129 } 17130 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17131 // Schedule a message 17132 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17133 } 17134 } 17135 } 17136 17137 long callingId = Binder.clearCallingIdentity(); 17138 try { 17139 if (sendNow) { 17140 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17141 sendPackageChangedBroadcast(packageName, 17142 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17143 } 17144 } finally { 17145 Binder.restoreCallingIdentity(callingId); 17146 } 17147 } 17148 17149 @Override 17150 public void flushPackageRestrictionsAsUser(int userId) { 17151 if (!sUserManager.exists(userId)) { 17152 return; 17153 } 17154 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17155 false /* checkShell */, "flushPackageRestrictions"); 17156 synchronized (mPackages) { 17157 mSettings.writePackageRestrictionsLPr(userId); 17158 mDirtyUsers.remove(userId); 17159 if (mDirtyUsers.isEmpty()) { 17160 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17161 } 17162 } 17163 } 17164 17165 private void sendPackageChangedBroadcast(String packageName, 17166 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17167 if (DEBUG_INSTALL) 17168 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17169 + componentNames); 17170 Bundle extras = new Bundle(4); 17171 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17172 String nameList[] = new String[componentNames.size()]; 17173 componentNames.toArray(nameList); 17174 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17175 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17176 extras.putInt(Intent.EXTRA_UID, packageUid); 17177 // If this is not reporting a change of the overall package, then only send it 17178 // to registered receivers. We don't want to launch a swath of apps for every 17179 // little component state change. 17180 final int flags = !componentNames.contains(packageName) 17181 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17182 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17183 new int[] {UserHandle.getUserId(packageUid)}); 17184 } 17185 17186 @Override 17187 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17188 if (!sUserManager.exists(userId)) return; 17189 final int uid = Binder.getCallingUid(); 17190 final int permission = mContext.checkCallingOrSelfPermission( 17191 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17192 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17193 enforceCrossUserPermission(uid, userId, 17194 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17195 // writer 17196 synchronized (mPackages) { 17197 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17198 allowedByPermission, uid, userId)) { 17199 scheduleWritePackageRestrictionsLocked(userId); 17200 } 17201 } 17202 } 17203 17204 @Override 17205 public String getInstallerPackageName(String packageName) { 17206 // reader 17207 synchronized (mPackages) { 17208 return mSettings.getInstallerPackageNameLPr(packageName); 17209 } 17210 } 17211 17212 @Override 17213 public int getApplicationEnabledSetting(String packageName, int userId) { 17214 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17215 int uid = Binder.getCallingUid(); 17216 enforceCrossUserPermission(uid, userId, 17217 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17218 // reader 17219 synchronized (mPackages) { 17220 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17221 } 17222 } 17223 17224 @Override 17225 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17226 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17227 int uid = Binder.getCallingUid(); 17228 enforceCrossUserPermission(uid, userId, 17229 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17230 // reader 17231 synchronized (mPackages) { 17232 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17233 } 17234 } 17235 17236 @Override 17237 public void enterSafeMode() { 17238 enforceSystemOrRoot("Only the system can request entering safe mode"); 17239 17240 if (!mSystemReady) { 17241 mSafeMode = true; 17242 } 17243 } 17244 17245 @Override 17246 public void systemReady() { 17247 mSystemReady = true; 17248 17249 // Read the compatibilty setting when the system is ready. 17250 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17251 mContext.getContentResolver(), 17252 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17253 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17254 if (DEBUG_SETTINGS) { 17255 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17256 } 17257 17258 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17259 17260 synchronized (mPackages) { 17261 // Verify that all of the preferred activity components actually 17262 // exist. It is possible for applications to be updated and at 17263 // that point remove a previously declared activity component that 17264 // had been set as a preferred activity. We try to clean this up 17265 // the next time we encounter that preferred activity, but it is 17266 // possible for the user flow to never be able to return to that 17267 // situation so here we do a sanity check to make sure we haven't 17268 // left any junk around. 17269 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17270 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17271 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17272 removed.clear(); 17273 for (PreferredActivity pa : pir.filterSet()) { 17274 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17275 removed.add(pa); 17276 } 17277 } 17278 if (removed.size() > 0) { 17279 for (int r=0; r<removed.size(); r++) { 17280 PreferredActivity pa = removed.get(r); 17281 Slog.w(TAG, "Removing dangling preferred activity: " 17282 + pa.mPref.mComponent); 17283 pir.removeFilter(pa); 17284 } 17285 mSettings.writePackageRestrictionsLPr( 17286 mSettings.mPreferredActivities.keyAt(i)); 17287 } 17288 } 17289 17290 for (int userId : UserManagerService.getInstance().getUserIds()) { 17291 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17292 grantPermissionsUserIds = ArrayUtils.appendInt( 17293 grantPermissionsUserIds, userId); 17294 } 17295 } 17296 } 17297 sUserManager.systemReady(); 17298 17299 // If we upgraded grant all default permissions before kicking off. 17300 for (int userId : grantPermissionsUserIds) { 17301 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17302 } 17303 17304 // Kick off any messages waiting for system ready 17305 if (mPostSystemReadyMessages != null) { 17306 for (Message msg : mPostSystemReadyMessages) { 17307 msg.sendToTarget(); 17308 } 17309 mPostSystemReadyMessages = null; 17310 } 17311 17312 // Watch for external volumes that come and go over time 17313 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17314 storage.registerListener(mStorageListener); 17315 17316 mInstallerService.systemReady(); 17317 mPackageDexOptimizer.systemReady(); 17318 17319 MountServiceInternal mountServiceInternal = LocalServices.getService( 17320 MountServiceInternal.class); 17321 mountServiceInternal.addExternalStoragePolicy( 17322 new MountServiceInternal.ExternalStorageMountPolicy() { 17323 @Override 17324 public int getMountMode(int uid, String packageName) { 17325 if (Process.isIsolated(uid)) { 17326 return Zygote.MOUNT_EXTERNAL_NONE; 17327 } 17328 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17329 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17330 } 17331 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17332 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17333 } 17334 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17335 return Zygote.MOUNT_EXTERNAL_READ; 17336 } 17337 return Zygote.MOUNT_EXTERNAL_WRITE; 17338 } 17339 17340 @Override 17341 public boolean hasExternalStorage(int uid, String packageName) { 17342 return true; 17343 } 17344 }); 17345 } 17346 17347 @Override 17348 public boolean isSafeMode() { 17349 return mSafeMode; 17350 } 17351 17352 @Override 17353 public boolean hasSystemUidErrors() { 17354 return mHasSystemUidErrors; 17355 } 17356 17357 static String arrayToString(int[] array) { 17358 StringBuffer buf = new StringBuffer(128); 17359 buf.append('['); 17360 if (array != null) { 17361 for (int i=0; i<array.length; i++) { 17362 if (i > 0) buf.append(", "); 17363 buf.append(array[i]); 17364 } 17365 } 17366 buf.append(']'); 17367 return buf.toString(); 17368 } 17369 17370 static class DumpState { 17371 public static final int DUMP_LIBS = 1 << 0; 17372 public static final int DUMP_FEATURES = 1 << 1; 17373 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17374 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17375 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17376 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17377 public static final int DUMP_PERMISSIONS = 1 << 6; 17378 public static final int DUMP_PACKAGES = 1 << 7; 17379 public static final int DUMP_SHARED_USERS = 1 << 8; 17380 public static final int DUMP_MESSAGES = 1 << 9; 17381 public static final int DUMP_PROVIDERS = 1 << 10; 17382 public static final int DUMP_VERIFIERS = 1 << 11; 17383 public static final int DUMP_PREFERRED = 1 << 12; 17384 public static final int DUMP_PREFERRED_XML = 1 << 13; 17385 public static final int DUMP_KEYSETS = 1 << 14; 17386 public static final int DUMP_VERSION = 1 << 15; 17387 public static final int DUMP_INSTALLS = 1 << 16; 17388 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17389 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17390 public static final int DUMP_FROZEN = 1 << 19; 17391 17392 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17393 17394 private int mTypes; 17395 17396 private int mOptions; 17397 17398 private boolean mTitlePrinted; 17399 17400 private SharedUserSetting mSharedUser; 17401 17402 public boolean isDumping(int type) { 17403 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17404 return true; 17405 } 17406 17407 return (mTypes & type) != 0; 17408 } 17409 17410 public void setDump(int type) { 17411 mTypes |= type; 17412 } 17413 17414 public boolean isOptionEnabled(int option) { 17415 return (mOptions & option) != 0; 17416 } 17417 17418 public void setOptionEnabled(int option) { 17419 mOptions |= option; 17420 } 17421 17422 public boolean onTitlePrinted() { 17423 final boolean printed = mTitlePrinted; 17424 mTitlePrinted = true; 17425 return printed; 17426 } 17427 17428 public boolean getTitlePrinted() { 17429 return mTitlePrinted; 17430 } 17431 17432 public void setTitlePrinted(boolean enabled) { 17433 mTitlePrinted = enabled; 17434 } 17435 17436 public SharedUserSetting getSharedUser() { 17437 return mSharedUser; 17438 } 17439 17440 public void setSharedUser(SharedUserSetting user) { 17441 mSharedUser = user; 17442 } 17443 } 17444 17445 @Override 17446 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17447 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17448 (new PackageManagerShellCommand(this)).exec( 17449 this, in, out, err, args, resultReceiver); 17450 } 17451 17452 @Override 17453 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17454 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17455 != PackageManager.PERMISSION_GRANTED) { 17456 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17457 + Binder.getCallingPid() 17458 + ", uid=" + Binder.getCallingUid() 17459 + " without permission " 17460 + android.Manifest.permission.DUMP); 17461 return; 17462 } 17463 17464 DumpState dumpState = new DumpState(); 17465 boolean fullPreferred = false; 17466 boolean checkin = false; 17467 17468 String packageName = null; 17469 ArraySet<String> permissionNames = null; 17470 17471 int opti = 0; 17472 while (opti < args.length) { 17473 String opt = args[opti]; 17474 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17475 break; 17476 } 17477 opti++; 17478 17479 if ("-a".equals(opt)) { 17480 // Right now we only know how to print all. 17481 } else if ("-h".equals(opt)) { 17482 pw.println("Package manager dump options:"); 17483 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17484 pw.println(" --checkin: dump for a checkin"); 17485 pw.println(" -f: print details of intent filters"); 17486 pw.println(" -h: print this help"); 17487 pw.println(" cmd may be one of:"); 17488 pw.println(" l[ibraries]: list known shared libraries"); 17489 pw.println(" f[eatures]: list device features"); 17490 pw.println(" k[eysets]: print known keysets"); 17491 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17492 pw.println(" perm[issions]: dump permissions"); 17493 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17494 pw.println(" pref[erred]: print preferred package settings"); 17495 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17496 pw.println(" prov[iders]: dump content providers"); 17497 pw.println(" p[ackages]: dump installed packages"); 17498 pw.println(" s[hared-users]: dump shared user IDs"); 17499 pw.println(" m[essages]: print collected runtime messages"); 17500 pw.println(" v[erifiers]: print package verifier info"); 17501 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17502 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17503 pw.println(" version: print database version info"); 17504 pw.println(" write: write current settings now"); 17505 pw.println(" installs: details about install sessions"); 17506 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17507 pw.println(" <package.name>: info about given package"); 17508 return; 17509 } else if ("--checkin".equals(opt)) { 17510 checkin = true; 17511 } else if ("-f".equals(opt)) { 17512 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17513 } else { 17514 pw.println("Unknown argument: " + opt + "; use -h for help"); 17515 } 17516 } 17517 17518 // Is the caller requesting to dump a particular piece of data? 17519 if (opti < args.length) { 17520 String cmd = args[opti]; 17521 opti++; 17522 // Is this a package name? 17523 if ("android".equals(cmd) || cmd.contains(".")) { 17524 packageName = cmd; 17525 // When dumping a single package, we always dump all of its 17526 // filter information since the amount of data will be reasonable. 17527 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17528 } else if ("check-permission".equals(cmd)) { 17529 if (opti >= args.length) { 17530 pw.println("Error: check-permission missing permission argument"); 17531 return; 17532 } 17533 String perm = args[opti]; 17534 opti++; 17535 if (opti >= args.length) { 17536 pw.println("Error: check-permission missing package argument"); 17537 return; 17538 } 17539 String pkg = args[opti]; 17540 opti++; 17541 int user = UserHandle.getUserId(Binder.getCallingUid()); 17542 if (opti < args.length) { 17543 try { 17544 user = Integer.parseInt(args[opti]); 17545 } catch (NumberFormatException e) { 17546 pw.println("Error: check-permission user argument is not a number: " 17547 + args[opti]); 17548 return; 17549 } 17550 } 17551 pw.println(checkPermission(perm, pkg, user)); 17552 return; 17553 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17554 dumpState.setDump(DumpState.DUMP_LIBS); 17555 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17556 dumpState.setDump(DumpState.DUMP_FEATURES); 17557 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17558 if (opti >= args.length) { 17559 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17560 | DumpState.DUMP_SERVICE_RESOLVERS 17561 | DumpState.DUMP_RECEIVER_RESOLVERS 17562 | DumpState.DUMP_CONTENT_RESOLVERS); 17563 } else { 17564 while (opti < args.length) { 17565 String name = args[opti]; 17566 if ("a".equals(name) || "activity".equals(name)) { 17567 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17568 } else if ("s".equals(name) || "service".equals(name)) { 17569 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17570 } else if ("r".equals(name) || "receiver".equals(name)) { 17571 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17572 } else if ("c".equals(name) || "content".equals(name)) { 17573 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17574 } else { 17575 pw.println("Error: unknown resolver table type: " + name); 17576 return; 17577 } 17578 opti++; 17579 } 17580 } 17581 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17582 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17583 } else if ("permission".equals(cmd)) { 17584 if (opti >= args.length) { 17585 pw.println("Error: permission requires permission name"); 17586 return; 17587 } 17588 permissionNames = new ArraySet<>(); 17589 while (opti < args.length) { 17590 permissionNames.add(args[opti]); 17591 opti++; 17592 } 17593 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17594 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17595 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17596 dumpState.setDump(DumpState.DUMP_PREFERRED); 17597 } else if ("preferred-xml".equals(cmd)) { 17598 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17599 if (opti < args.length && "--full".equals(args[opti])) { 17600 fullPreferred = true; 17601 opti++; 17602 } 17603 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17604 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17605 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17606 dumpState.setDump(DumpState.DUMP_PACKAGES); 17607 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17608 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17609 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17610 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17611 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17612 dumpState.setDump(DumpState.DUMP_MESSAGES); 17613 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17614 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17615 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17616 || "intent-filter-verifiers".equals(cmd)) { 17617 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17618 } else if ("version".equals(cmd)) { 17619 dumpState.setDump(DumpState.DUMP_VERSION); 17620 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17621 dumpState.setDump(DumpState.DUMP_KEYSETS); 17622 } else if ("installs".equals(cmd)) { 17623 dumpState.setDump(DumpState.DUMP_INSTALLS); 17624 } else if ("frozen".equals(cmd)) { 17625 dumpState.setDump(DumpState.DUMP_FROZEN); 17626 } else if ("write".equals(cmd)) { 17627 synchronized (mPackages) { 17628 mSettings.writeLPr(); 17629 pw.println("Settings written."); 17630 return; 17631 } 17632 } 17633 } 17634 17635 if (checkin) { 17636 pw.println("vers,1"); 17637 } 17638 17639 // reader 17640 synchronized (mPackages) { 17641 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17642 if (!checkin) { 17643 if (dumpState.onTitlePrinted()) 17644 pw.println(); 17645 pw.println("Database versions:"); 17646 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17647 } 17648 } 17649 17650 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17651 if (!checkin) { 17652 if (dumpState.onTitlePrinted()) 17653 pw.println(); 17654 pw.println("Verifiers:"); 17655 pw.print(" Required: "); 17656 pw.print(mRequiredVerifierPackage); 17657 pw.print(" (uid="); 17658 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17659 UserHandle.USER_SYSTEM)); 17660 pw.println(")"); 17661 } else if (mRequiredVerifierPackage != null) { 17662 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17663 pw.print(","); 17664 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17665 UserHandle.USER_SYSTEM)); 17666 } 17667 } 17668 17669 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17670 packageName == null) { 17671 if (mIntentFilterVerifierComponent != null) { 17672 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17673 if (!checkin) { 17674 if (dumpState.onTitlePrinted()) 17675 pw.println(); 17676 pw.println("Intent Filter Verifier:"); 17677 pw.print(" Using: "); 17678 pw.print(verifierPackageName); 17679 pw.print(" (uid="); 17680 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17681 UserHandle.USER_SYSTEM)); 17682 pw.println(")"); 17683 } else if (verifierPackageName != null) { 17684 pw.print("ifv,"); pw.print(verifierPackageName); 17685 pw.print(","); 17686 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17687 UserHandle.USER_SYSTEM)); 17688 } 17689 } else { 17690 pw.println(); 17691 pw.println("No Intent Filter Verifier available!"); 17692 } 17693 } 17694 17695 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17696 boolean printedHeader = false; 17697 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17698 while (it.hasNext()) { 17699 String name = it.next(); 17700 SharedLibraryEntry ent = mSharedLibraries.get(name); 17701 if (!checkin) { 17702 if (!printedHeader) { 17703 if (dumpState.onTitlePrinted()) 17704 pw.println(); 17705 pw.println("Libraries:"); 17706 printedHeader = true; 17707 } 17708 pw.print(" "); 17709 } else { 17710 pw.print("lib,"); 17711 } 17712 pw.print(name); 17713 if (!checkin) { 17714 pw.print(" -> "); 17715 } 17716 if (ent.path != null) { 17717 if (!checkin) { 17718 pw.print("(jar) "); 17719 pw.print(ent.path); 17720 } else { 17721 pw.print(",jar,"); 17722 pw.print(ent.path); 17723 } 17724 } else { 17725 if (!checkin) { 17726 pw.print("(apk) "); 17727 pw.print(ent.apk); 17728 } else { 17729 pw.print(",apk,"); 17730 pw.print(ent.apk); 17731 } 17732 } 17733 pw.println(); 17734 } 17735 } 17736 17737 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17738 if (dumpState.onTitlePrinted()) 17739 pw.println(); 17740 if (!checkin) { 17741 pw.println("Features:"); 17742 } 17743 17744 for (FeatureInfo feat : mAvailableFeatures.values()) { 17745 if (checkin) { 17746 pw.print("feat,"); 17747 pw.print(feat.name); 17748 pw.print(","); 17749 pw.println(feat.version); 17750 } else { 17751 pw.print(" "); 17752 pw.print(feat.name); 17753 if (feat.version > 0) { 17754 pw.print(" version="); 17755 pw.print(feat.version); 17756 } 17757 pw.println(); 17758 } 17759 } 17760 } 17761 17762 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17763 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17764 : "Activity Resolver Table:", " ", packageName, 17765 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17766 dumpState.setTitlePrinted(true); 17767 } 17768 } 17769 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17770 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17771 : "Receiver Resolver Table:", " ", packageName, 17772 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17773 dumpState.setTitlePrinted(true); 17774 } 17775 } 17776 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17777 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17778 : "Service Resolver Table:", " ", packageName, 17779 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17780 dumpState.setTitlePrinted(true); 17781 } 17782 } 17783 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17784 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17785 : "Provider Resolver Table:", " ", packageName, 17786 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17787 dumpState.setTitlePrinted(true); 17788 } 17789 } 17790 17791 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17792 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17793 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17794 int user = mSettings.mPreferredActivities.keyAt(i); 17795 if (pir.dump(pw, 17796 dumpState.getTitlePrinted() 17797 ? "\nPreferred Activities User " + user + ":" 17798 : "Preferred Activities User " + user + ":", " ", 17799 packageName, true, false)) { 17800 dumpState.setTitlePrinted(true); 17801 } 17802 } 17803 } 17804 17805 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17806 pw.flush(); 17807 FileOutputStream fout = new FileOutputStream(fd); 17808 BufferedOutputStream str = new BufferedOutputStream(fout); 17809 XmlSerializer serializer = new FastXmlSerializer(); 17810 try { 17811 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17812 serializer.startDocument(null, true); 17813 serializer.setFeature( 17814 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17815 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17816 serializer.endDocument(); 17817 serializer.flush(); 17818 } catch (IllegalArgumentException e) { 17819 pw.println("Failed writing: " + e); 17820 } catch (IllegalStateException e) { 17821 pw.println("Failed writing: " + e); 17822 } catch (IOException e) { 17823 pw.println("Failed writing: " + e); 17824 } 17825 } 17826 17827 if (!checkin 17828 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17829 && packageName == null) { 17830 pw.println(); 17831 int count = mSettings.mPackages.size(); 17832 if (count == 0) { 17833 pw.println("No applications!"); 17834 pw.println(); 17835 } else { 17836 final String prefix = " "; 17837 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17838 if (allPackageSettings.size() == 0) { 17839 pw.println("No domain preferred apps!"); 17840 pw.println(); 17841 } else { 17842 pw.println("App verification status:"); 17843 pw.println(); 17844 count = 0; 17845 for (PackageSetting ps : allPackageSettings) { 17846 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17847 if (ivi == null || ivi.getPackageName() == null) continue; 17848 pw.println(prefix + "Package: " + ivi.getPackageName()); 17849 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17850 pw.println(prefix + "Status: " + ivi.getStatusString()); 17851 pw.println(); 17852 count++; 17853 } 17854 if (count == 0) { 17855 pw.println(prefix + "No app verification established."); 17856 pw.println(); 17857 } 17858 for (int userId : sUserManager.getUserIds()) { 17859 pw.println("App linkages for user " + userId + ":"); 17860 pw.println(); 17861 count = 0; 17862 for (PackageSetting ps : allPackageSettings) { 17863 final long status = ps.getDomainVerificationStatusForUser(userId); 17864 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17865 continue; 17866 } 17867 pw.println(prefix + "Package: " + ps.name); 17868 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17869 String statusStr = IntentFilterVerificationInfo. 17870 getStatusStringFromValue(status); 17871 pw.println(prefix + "Status: " + statusStr); 17872 pw.println(); 17873 count++; 17874 } 17875 if (count == 0) { 17876 pw.println(prefix + "No configured app linkages."); 17877 pw.println(); 17878 } 17879 } 17880 } 17881 } 17882 } 17883 17884 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17885 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17886 if (packageName == null && permissionNames == null) { 17887 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17888 if (iperm == 0) { 17889 if (dumpState.onTitlePrinted()) 17890 pw.println(); 17891 pw.println("AppOp Permissions:"); 17892 } 17893 pw.print(" AppOp Permission "); 17894 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17895 pw.println(":"); 17896 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17897 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17898 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17899 } 17900 } 17901 } 17902 } 17903 17904 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17905 boolean printedSomething = false; 17906 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17907 if (packageName != null && !packageName.equals(p.info.packageName)) { 17908 continue; 17909 } 17910 if (!printedSomething) { 17911 if (dumpState.onTitlePrinted()) 17912 pw.println(); 17913 pw.println("Registered ContentProviders:"); 17914 printedSomething = true; 17915 } 17916 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17917 pw.print(" "); pw.println(p.toString()); 17918 } 17919 printedSomething = false; 17920 for (Map.Entry<String, PackageParser.Provider> entry : 17921 mProvidersByAuthority.entrySet()) { 17922 PackageParser.Provider p = entry.getValue(); 17923 if (packageName != null && !packageName.equals(p.info.packageName)) { 17924 continue; 17925 } 17926 if (!printedSomething) { 17927 if (dumpState.onTitlePrinted()) 17928 pw.println(); 17929 pw.println("ContentProvider Authorities:"); 17930 printedSomething = true; 17931 } 17932 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17933 pw.print(" "); pw.println(p.toString()); 17934 if (p.info != null && p.info.applicationInfo != null) { 17935 final String appInfo = p.info.applicationInfo.toString(); 17936 pw.print(" applicationInfo="); pw.println(appInfo); 17937 } 17938 } 17939 } 17940 17941 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17942 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17943 } 17944 17945 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17946 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17947 } 17948 17949 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17950 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17951 } 17952 17953 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17954 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17955 } 17956 17957 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17958 // XXX should handle packageName != null by dumping only install data that 17959 // the given package is involved with. 17960 if (dumpState.onTitlePrinted()) pw.println(); 17961 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17962 } 17963 17964 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 17965 // XXX should handle packageName != null by dumping only install data that 17966 // the given package is involved with. 17967 if (dumpState.onTitlePrinted()) pw.println(); 17968 17969 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 17970 ipw.println(); 17971 ipw.println("Frozen packages:"); 17972 ipw.increaseIndent(); 17973 if (mFrozenPackages.size() == 0) { 17974 ipw.println("(none)"); 17975 } else { 17976 for (int i = 0; i < mFrozenPackages.size(); i++) { 17977 ipw.println(mFrozenPackages.valueAt(i)); 17978 } 17979 } 17980 ipw.decreaseIndent(); 17981 } 17982 17983 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17984 if (dumpState.onTitlePrinted()) pw.println(); 17985 mSettings.dumpReadMessagesLPr(pw, dumpState); 17986 17987 pw.println(); 17988 pw.println("Package warning messages:"); 17989 BufferedReader in = null; 17990 String line = null; 17991 try { 17992 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17993 while ((line = in.readLine()) != null) { 17994 if (line.contains("ignored: updated version")) continue; 17995 pw.println(line); 17996 } 17997 } catch (IOException ignored) { 17998 } finally { 17999 IoUtils.closeQuietly(in); 18000 } 18001 } 18002 18003 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18004 BufferedReader in = null; 18005 String line = null; 18006 try { 18007 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18008 while ((line = in.readLine()) != null) { 18009 if (line.contains("ignored: updated version")) continue; 18010 pw.print("msg,"); 18011 pw.println(line); 18012 } 18013 } catch (IOException ignored) { 18014 } finally { 18015 IoUtils.closeQuietly(in); 18016 } 18017 } 18018 } 18019 } 18020 18021 private String dumpDomainString(String packageName) { 18022 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18023 .getList(); 18024 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18025 18026 ArraySet<String> result = new ArraySet<>(); 18027 if (iviList.size() > 0) { 18028 for (IntentFilterVerificationInfo ivi : iviList) { 18029 for (String host : ivi.getDomains()) { 18030 result.add(host); 18031 } 18032 } 18033 } 18034 if (filters != null && filters.size() > 0) { 18035 for (IntentFilter filter : filters) { 18036 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18037 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18038 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18039 result.addAll(filter.getHostsList()); 18040 } 18041 } 18042 } 18043 18044 StringBuilder sb = new StringBuilder(result.size() * 16); 18045 for (String domain : result) { 18046 if (sb.length() > 0) sb.append(" "); 18047 sb.append(domain); 18048 } 18049 return sb.toString(); 18050 } 18051 18052 // ------- apps on sdcard specific code ------- 18053 static final boolean DEBUG_SD_INSTALL = false; 18054 18055 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18056 18057 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18058 18059 private boolean mMediaMounted = false; 18060 18061 static String getEncryptKey() { 18062 try { 18063 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18064 SD_ENCRYPTION_KEYSTORE_NAME); 18065 if (sdEncKey == null) { 18066 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18067 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18068 if (sdEncKey == null) { 18069 Slog.e(TAG, "Failed to create encryption keys"); 18070 return null; 18071 } 18072 } 18073 return sdEncKey; 18074 } catch (NoSuchAlgorithmException nsae) { 18075 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18076 return null; 18077 } catch (IOException ioe) { 18078 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18079 return null; 18080 } 18081 } 18082 18083 /* 18084 * Update media status on PackageManager. 18085 */ 18086 @Override 18087 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18088 int callingUid = Binder.getCallingUid(); 18089 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18090 throw new SecurityException("Media status can only be updated by the system"); 18091 } 18092 // reader; this apparently protects mMediaMounted, but should probably 18093 // be a different lock in that case. 18094 synchronized (mPackages) { 18095 Log.i(TAG, "Updating external media status from " 18096 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18097 + (mediaStatus ? "mounted" : "unmounted")); 18098 if (DEBUG_SD_INSTALL) 18099 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18100 + ", mMediaMounted=" + mMediaMounted); 18101 if (mediaStatus == mMediaMounted) { 18102 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18103 : 0, -1); 18104 mHandler.sendMessage(msg); 18105 return; 18106 } 18107 mMediaMounted = mediaStatus; 18108 } 18109 // Queue up an async operation since the package installation may take a 18110 // little while. 18111 mHandler.post(new Runnable() { 18112 public void run() { 18113 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18114 } 18115 }); 18116 } 18117 18118 /** 18119 * Called by MountService when the initial ASECs to scan are available. 18120 * Should block until all the ASEC containers are finished being scanned. 18121 */ 18122 public void scanAvailableAsecs() { 18123 updateExternalMediaStatusInner(true, false, false); 18124 } 18125 18126 /* 18127 * Collect information of applications on external media, map them against 18128 * existing containers and update information based on current mount status. 18129 * Please note that we always have to report status if reportStatus has been 18130 * set to true especially when unloading packages. 18131 */ 18132 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18133 boolean externalStorage) { 18134 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18135 int[] uidArr = EmptyArray.INT; 18136 18137 final String[] list = PackageHelper.getSecureContainerList(); 18138 if (ArrayUtils.isEmpty(list)) { 18139 Log.i(TAG, "No secure containers found"); 18140 } else { 18141 // Process list of secure containers and categorize them 18142 // as active or stale based on their package internal state. 18143 18144 // reader 18145 synchronized (mPackages) { 18146 for (String cid : list) { 18147 // Leave stages untouched for now; installer service owns them 18148 if (PackageInstallerService.isStageName(cid)) continue; 18149 18150 if (DEBUG_SD_INSTALL) 18151 Log.i(TAG, "Processing container " + cid); 18152 String pkgName = getAsecPackageName(cid); 18153 if (pkgName == null) { 18154 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18155 continue; 18156 } 18157 if (DEBUG_SD_INSTALL) 18158 Log.i(TAG, "Looking for pkg : " + pkgName); 18159 18160 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18161 if (ps == null) { 18162 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18163 continue; 18164 } 18165 18166 /* 18167 * Skip packages that are not external if we're unmounting 18168 * external storage. 18169 */ 18170 if (externalStorage && !isMounted && !isExternal(ps)) { 18171 continue; 18172 } 18173 18174 final AsecInstallArgs args = new AsecInstallArgs(cid, 18175 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18176 // The package status is changed only if the code path 18177 // matches between settings and the container id. 18178 if (ps.codePathString != null 18179 && ps.codePathString.startsWith(args.getCodePath())) { 18180 if (DEBUG_SD_INSTALL) { 18181 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18182 + " at code path: " + ps.codePathString); 18183 } 18184 18185 // We do have a valid package installed on sdcard 18186 processCids.put(args, ps.codePathString); 18187 final int uid = ps.appId; 18188 if (uid != -1) { 18189 uidArr = ArrayUtils.appendInt(uidArr, uid); 18190 } 18191 } else { 18192 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18193 + ps.codePathString); 18194 } 18195 } 18196 } 18197 18198 Arrays.sort(uidArr); 18199 } 18200 18201 // Process packages with valid entries. 18202 if (isMounted) { 18203 if (DEBUG_SD_INSTALL) 18204 Log.i(TAG, "Loading packages"); 18205 loadMediaPackages(processCids, uidArr, externalStorage); 18206 startCleaningPackages(); 18207 mInstallerService.onSecureContainersAvailable(); 18208 } else { 18209 if (DEBUG_SD_INSTALL) 18210 Log.i(TAG, "Unloading packages"); 18211 unloadMediaPackages(processCids, uidArr, reportStatus); 18212 } 18213 } 18214 18215 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18216 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18217 final int size = infos.size(); 18218 final String[] packageNames = new String[size]; 18219 final int[] packageUids = new int[size]; 18220 for (int i = 0; i < size; i++) { 18221 final ApplicationInfo info = infos.get(i); 18222 packageNames[i] = info.packageName; 18223 packageUids[i] = info.uid; 18224 } 18225 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18226 finishedReceiver); 18227 } 18228 18229 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18230 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18231 sendResourcesChangedBroadcast(mediaStatus, replacing, 18232 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18233 } 18234 18235 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18236 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18237 int size = pkgList.length; 18238 if (size > 0) { 18239 // Send broadcasts here 18240 Bundle extras = new Bundle(); 18241 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18242 if (uidArr != null) { 18243 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18244 } 18245 if (replacing) { 18246 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18247 } 18248 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18249 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18250 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18251 } 18252 } 18253 18254 /* 18255 * Look at potentially valid container ids from processCids If package 18256 * information doesn't match the one on record or package scanning fails, 18257 * the cid is added to list of removeCids. We currently don't delete stale 18258 * containers. 18259 */ 18260 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18261 boolean externalStorage) { 18262 ArrayList<String> pkgList = new ArrayList<String>(); 18263 Set<AsecInstallArgs> keys = processCids.keySet(); 18264 18265 for (AsecInstallArgs args : keys) { 18266 String codePath = processCids.get(args); 18267 if (DEBUG_SD_INSTALL) 18268 Log.i(TAG, "Loading container : " + args.cid); 18269 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18270 try { 18271 // Make sure there are no container errors first. 18272 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18273 Slog.e(TAG, "Failed to mount cid : " + args.cid 18274 + " when installing from sdcard"); 18275 continue; 18276 } 18277 // Check code path here. 18278 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18279 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18280 + " does not match one in settings " + codePath); 18281 continue; 18282 } 18283 // Parse package 18284 int parseFlags = mDefParseFlags; 18285 if (args.isExternalAsec()) { 18286 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18287 } 18288 if (args.isFwdLocked()) { 18289 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18290 } 18291 18292 synchronized (mInstallLock) { 18293 PackageParser.Package pkg = null; 18294 try { 18295 // Sadly we don't know the package name yet to freeze it 18296 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18297 SCAN_IGNORE_FROZEN, 0, null); 18298 } catch (PackageManagerException e) { 18299 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18300 } 18301 // Scan the package 18302 if (pkg != null) { 18303 /* 18304 * TODO why is the lock being held? doPostInstall is 18305 * called in other places without the lock. This needs 18306 * to be straightened out. 18307 */ 18308 // writer 18309 synchronized (mPackages) { 18310 retCode = PackageManager.INSTALL_SUCCEEDED; 18311 pkgList.add(pkg.packageName); 18312 // Post process args 18313 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18314 pkg.applicationInfo.uid); 18315 } 18316 } else { 18317 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18318 } 18319 } 18320 18321 } finally { 18322 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18323 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18324 } 18325 } 18326 } 18327 // writer 18328 synchronized (mPackages) { 18329 // If the platform SDK has changed since the last time we booted, 18330 // we need to re-grant app permission to catch any new ones that 18331 // appear. This is really a hack, and means that apps can in some 18332 // cases get permissions that the user didn't initially explicitly 18333 // allow... it would be nice to have some better way to handle 18334 // this situation. 18335 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18336 : mSettings.getInternalVersion(); 18337 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18338 : StorageManager.UUID_PRIVATE_INTERNAL; 18339 18340 int updateFlags = UPDATE_PERMISSIONS_ALL; 18341 if (ver.sdkVersion != mSdkVersion) { 18342 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18343 + mSdkVersion + "; regranting permissions for external"); 18344 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18345 } 18346 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18347 18348 // Yay, everything is now upgraded 18349 ver.forceCurrent(); 18350 18351 // can downgrade to reader 18352 // Persist settings 18353 mSettings.writeLPr(); 18354 } 18355 // Send a broadcast to let everyone know we are done processing 18356 if (pkgList.size() > 0) { 18357 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18358 } 18359 } 18360 18361 /* 18362 * Utility method to unload a list of specified containers 18363 */ 18364 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18365 // Just unmount all valid containers. 18366 for (AsecInstallArgs arg : cidArgs) { 18367 synchronized (mInstallLock) { 18368 arg.doPostDeleteLI(false); 18369 } 18370 } 18371 } 18372 18373 /* 18374 * Unload packages mounted on external media. This involves deleting package 18375 * data from internal structures, sending broadcasts about disabled packages, 18376 * gc'ing to free up references, unmounting all secure containers 18377 * corresponding to packages on external media, and posting a 18378 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18379 * that we always have to post this message if status has been requested no 18380 * matter what. 18381 */ 18382 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18383 final boolean reportStatus) { 18384 if (DEBUG_SD_INSTALL) 18385 Log.i(TAG, "unloading media packages"); 18386 ArrayList<String> pkgList = new ArrayList<String>(); 18387 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18388 final Set<AsecInstallArgs> keys = processCids.keySet(); 18389 for (AsecInstallArgs args : keys) { 18390 String pkgName = args.getPackageName(); 18391 if (DEBUG_SD_INSTALL) 18392 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18393 // Delete package internally 18394 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18395 synchronized (mInstallLock) { 18396 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18397 final boolean res; 18398 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18399 "unloadMediaPackages")) { 18400 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18401 null); 18402 } 18403 if (res) { 18404 pkgList.add(pkgName); 18405 } else { 18406 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18407 failedList.add(args); 18408 } 18409 } 18410 } 18411 18412 // reader 18413 synchronized (mPackages) { 18414 // We didn't update the settings after removing each package; 18415 // write them now for all packages. 18416 mSettings.writeLPr(); 18417 } 18418 18419 // We have to absolutely send UPDATED_MEDIA_STATUS only 18420 // after confirming that all the receivers processed the ordered 18421 // broadcast when packages get disabled, force a gc to clean things up. 18422 // and unload all the containers. 18423 if (pkgList.size() > 0) { 18424 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18425 new IIntentReceiver.Stub() { 18426 public void performReceive(Intent intent, int resultCode, String data, 18427 Bundle extras, boolean ordered, boolean sticky, 18428 int sendingUser) throws RemoteException { 18429 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18430 reportStatus ? 1 : 0, 1, keys); 18431 mHandler.sendMessage(msg); 18432 } 18433 }); 18434 } else { 18435 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18436 keys); 18437 mHandler.sendMessage(msg); 18438 } 18439 } 18440 18441 private void loadPrivatePackages(final VolumeInfo vol) { 18442 mHandler.post(new Runnable() { 18443 @Override 18444 public void run() { 18445 loadPrivatePackagesInner(vol); 18446 } 18447 }); 18448 } 18449 18450 private void loadPrivatePackagesInner(VolumeInfo vol) { 18451 final String volumeUuid = vol.fsUuid; 18452 if (TextUtils.isEmpty(volumeUuid)) { 18453 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18454 return; 18455 } 18456 18457 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18458 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18459 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18460 18461 final VersionInfo ver; 18462 final List<PackageSetting> packages; 18463 synchronized (mPackages) { 18464 ver = mSettings.findOrCreateVersion(volumeUuid); 18465 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18466 } 18467 18468 for (PackageSetting ps : packages) { 18469 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18470 synchronized (mInstallLock) { 18471 final PackageParser.Package pkg; 18472 try { 18473 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18474 loaded.add(pkg.applicationInfo); 18475 18476 } catch (PackageManagerException e) { 18477 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18478 } 18479 18480 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18481 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18482 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18483 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18484 } 18485 } 18486 } 18487 18488 // Reconcile app data for all started/unlocked users 18489 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18490 final UserManager um = mContext.getSystemService(UserManager.class); 18491 for (UserInfo user : um.getUsers()) { 18492 final int flags; 18493 if (um.isUserUnlocked(user.id)) { 18494 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18495 } else if (um.isUserRunning(user.id)) { 18496 flags = StorageManager.FLAG_STORAGE_DE; 18497 } else { 18498 continue; 18499 } 18500 18501 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18502 synchronized (mInstallLock) { 18503 reconcileAppsDataLI(volumeUuid, user.id, flags); 18504 } 18505 } 18506 18507 synchronized (mPackages) { 18508 int updateFlags = UPDATE_PERMISSIONS_ALL; 18509 if (ver.sdkVersion != mSdkVersion) { 18510 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18511 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18512 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18513 } 18514 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18515 18516 // Yay, everything is now upgraded 18517 ver.forceCurrent(); 18518 18519 mSettings.writeLPr(); 18520 } 18521 18522 for (PackageFreezer freezer : freezers) { 18523 freezer.close(); 18524 } 18525 18526 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18527 sendResourcesChangedBroadcast(true, false, loaded, null); 18528 } 18529 18530 private void unloadPrivatePackages(final VolumeInfo vol) { 18531 mHandler.post(new Runnable() { 18532 @Override 18533 public void run() { 18534 unloadPrivatePackagesInner(vol); 18535 } 18536 }); 18537 } 18538 18539 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18540 final String volumeUuid = vol.fsUuid; 18541 if (TextUtils.isEmpty(volumeUuid)) { 18542 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18543 return; 18544 } 18545 18546 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18547 synchronized (mInstallLock) { 18548 synchronized (mPackages) { 18549 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18550 for (PackageSetting ps : packages) { 18551 if (ps.pkg == null) continue; 18552 18553 final ApplicationInfo info = ps.pkg.applicationInfo; 18554 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18555 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18556 18557 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18558 "unloadPrivatePackagesInner")) { 18559 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18560 false, null)) { 18561 unloaded.add(info); 18562 } else { 18563 Slog.w(TAG, "Failed to unload " + ps.codePath); 18564 } 18565 } 18566 } 18567 18568 mSettings.writeLPr(); 18569 } 18570 } 18571 18572 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18573 sendResourcesChangedBroadcast(false, false, unloaded, null); 18574 } 18575 18576 /** 18577 * Examine all users present on given mounted volume, and destroy data 18578 * belonging to users that are no longer valid, or whose user ID has been 18579 * recycled. 18580 */ 18581 private void reconcileUsers(String volumeUuid) { 18582 // TODO: also reconcile DE directories 18583 final File[] files = FileUtils 18584 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18585 for (File file : files) { 18586 if (!file.isDirectory()) continue; 18587 18588 final int userId; 18589 final UserInfo info; 18590 try { 18591 userId = Integer.parseInt(file.getName()); 18592 info = sUserManager.getUserInfo(userId); 18593 } catch (NumberFormatException e) { 18594 Slog.w(TAG, "Invalid user directory " + file); 18595 continue; 18596 } 18597 18598 boolean destroyUser = false; 18599 if (info == null) { 18600 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18601 + " because no matching user was found"); 18602 destroyUser = true; 18603 } else { 18604 try { 18605 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18606 } catch (IOException e) { 18607 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18608 + " because we failed to enforce serial number: " + e); 18609 destroyUser = true; 18610 } 18611 } 18612 18613 if (destroyUser) { 18614 synchronized (mInstallLock) { 18615 try { 18616 mInstaller.removeUserDataDirs(volumeUuid, userId); 18617 } catch (InstallerException e) { 18618 Slog.w(TAG, "Failed to clean up user dirs", e); 18619 } 18620 } 18621 } 18622 } 18623 } 18624 18625 private void assertPackageKnown(String volumeUuid, String packageName) 18626 throws PackageManagerException { 18627 synchronized (mPackages) { 18628 final PackageSetting ps = mSettings.mPackages.get(packageName); 18629 if (ps == null) { 18630 throw new PackageManagerException("Package " + packageName + " is unknown"); 18631 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18632 throw new PackageManagerException( 18633 "Package " + packageName + " found on unknown volume " + volumeUuid 18634 + "; expected volume " + ps.volumeUuid); 18635 } 18636 } 18637 } 18638 18639 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18640 throws PackageManagerException { 18641 synchronized (mPackages) { 18642 final PackageSetting ps = mSettings.mPackages.get(packageName); 18643 if (ps == null) { 18644 throw new PackageManagerException("Package " + packageName + " is unknown"); 18645 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18646 throw new PackageManagerException( 18647 "Package " + packageName + " found on unknown volume " + volumeUuid 18648 + "; expected volume " + ps.volumeUuid); 18649 } else if (!ps.getInstalled(userId)) { 18650 throw new PackageManagerException( 18651 "Package " + packageName + " not installed for user " + userId); 18652 } 18653 } 18654 } 18655 18656 /** 18657 * Examine all apps present on given mounted volume, and destroy apps that 18658 * aren't expected, either due to uninstallation or reinstallation on 18659 * another volume. 18660 */ 18661 private void reconcileApps(String volumeUuid) { 18662 final File[] files = FileUtils 18663 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18664 for (File file : files) { 18665 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18666 && !PackageInstallerService.isStageName(file.getName()); 18667 if (!isPackage) { 18668 // Ignore entries which are not packages 18669 continue; 18670 } 18671 18672 try { 18673 final PackageLite pkg = PackageParser.parsePackageLite(file, 18674 PackageParser.PARSE_MUST_BE_APK); 18675 assertPackageKnown(volumeUuid, pkg.packageName); 18676 18677 } catch (PackageParserException | PackageManagerException e) { 18678 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18679 synchronized (mInstallLock) { 18680 removeCodePathLI(file); 18681 } 18682 } 18683 } 18684 } 18685 18686 /** 18687 * Reconcile all app data for the given user. 18688 * <p> 18689 * Verifies that directories exist and that ownership and labeling is 18690 * correct for all installed apps on all mounted volumes. 18691 */ 18692 void reconcileAppsData(int userId, int flags) { 18693 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18694 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18695 final String volumeUuid = vol.getFsUuid(); 18696 synchronized (mInstallLock) { 18697 reconcileAppsDataLI(volumeUuid, userId, flags); 18698 } 18699 } 18700 } 18701 18702 /** 18703 * Reconcile all app data on given mounted volume. 18704 * <p> 18705 * Destroys app data that isn't expected, either due to uninstallation or 18706 * reinstallation on another volume. 18707 * <p> 18708 * Verifies that directories exist and that ownership and labeling is 18709 * correct for all installed apps. 18710 */ 18711 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 18712 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18713 + Integer.toHexString(flags)); 18714 18715 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18716 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18717 18718 boolean restoreconNeeded = false; 18719 18720 // First look for stale data that doesn't belong, and check if things 18721 // have changed since we did our last restorecon 18722 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18723 if (!isUserKeyUnlocked(userId)) { 18724 throw new RuntimeException( 18725 "Yikes, someone asked us to reconcile CE storage while " + userId 18726 + " was still locked; this would have caused massive data loss!"); 18727 } 18728 18729 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18730 18731 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18732 for (File file : files) { 18733 final String packageName = file.getName(); 18734 try { 18735 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18736 } catch (PackageManagerException e) { 18737 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18738 try { 18739 mInstaller.destroyAppData(volumeUuid, packageName, userId, 18740 StorageManager.FLAG_STORAGE_CE, 0); 18741 } catch (InstallerException e2) { 18742 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 18743 } 18744 } 18745 } 18746 } 18747 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18748 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18749 18750 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18751 for (File file : files) { 18752 final String packageName = file.getName(); 18753 try { 18754 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18755 } catch (PackageManagerException e) { 18756 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18757 try { 18758 mInstaller.destroyAppData(volumeUuid, packageName, userId, 18759 StorageManager.FLAG_STORAGE_DE, 0); 18760 } catch (InstallerException e2) { 18761 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 18762 } 18763 } 18764 } 18765 } 18766 18767 // Ensure that data directories are ready to roll for all packages 18768 // installed for this volume and user 18769 final List<PackageSetting> packages; 18770 synchronized (mPackages) { 18771 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18772 } 18773 int preparedCount = 0; 18774 for (PackageSetting ps : packages) { 18775 final String packageName = ps.name; 18776 if (ps.pkg == null) { 18777 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18778 // TODO: might be due to legacy ASEC apps; we should circle back 18779 // and reconcile again once they're scanned 18780 continue; 18781 } 18782 18783 if (ps.getInstalled(userId)) { 18784 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 18785 18786 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 18787 // We may have just shuffled around app data directories, so 18788 // prepare them one more time 18789 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 18790 } 18791 18792 preparedCount++; 18793 } 18794 } 18795 18796 if (restoreconNeeded) { 18797 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18798 SELinuxMMAC.setRestoreconDone(ceDir); 18799 } 18800 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18801 SELinuxMMAC.setRestoreconDone(deDir); 18802 } 18803 } 18804 18805 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18806 + " packages; restoreconNeeded was " + restoreconNeeded); 18807 } 18808 18809 /** 18810 * Prepare app data for the given app just after it was installed or 18811 * upgraded. This method carefully only touches users that it's installed 18812 * for, and it forces a restorecon to handle any seinfo changes. 18813 * <p> 18814 * Verifies that directories exist and that ownership and labeling is 18815 * correct for all installed apps. If there is an ownership mismatch, it 18816 * will try recovering system apps by wiping data; third-party app data is 18817 * left intact. 18818 * <p> 18819 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18820 */ 18821 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 18822 final PackageSetting ps; 18823 synchronized (mPackages) { 18824 ps = mSettings.mPackages.get(pkg.packageName); 18825 mSettings.writeKernelMappingLPr(ps); 18826 } 18827 18828 final UserManager um = mContext.getSystemService(UserManager.class); 18829 for (UserInfo user : um.getUsers()) { 18830 final int flags; 18831 if (um.isUserUnlocked(user.id)) { 18832 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18833 } else if (um.isUserRunning(user.id)) { 18834 flags = StorageManager.FLAG_STORAGE_DE; 18835 } else { 18836 continue; 18837 } 18838 18839 if (ps.getInstalled(user.id)) { 18840 // Whenever an app changes, force a restorecon of its data 18841 // TODO: when user data is locked, mark that we're still dirty 18842 prepareAppDataLIF(pkg, user.id, flags, true); 18843 } 18844 } 18845 } 18846 18847 /** 18848 * Prepare app data for the given app. 18849 * <p> 18850 * Verifies that directories exist and that ownership and labeling is 18851 * correct for all installed apps. If there is an ownership mismatch, this 18852 * will try recovering system apps by wiping data; third-party app data is 18853 * left intact. 18854 */ 18855 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 18856 boolean restoreconNeeded) { 18857 if (pkg == null) { 18858 Slog.wtf(TAG, "Package was null!", new Throwable()); 18859 return; 18860 } 18861 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 18862 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18863 for (int i = 0; i < childCount; i++) { 18864 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 18865 } 18866 } 18867 18868 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 18869 boolean restoreconNeeded) { 18870 if (DEBUG_APP_DATA) { 18871 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18872 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18873 } 18874 18875 final String volumeUuid = pkg.volumeUuid; 18876 final String packageName = pkg.packageName; 18877 final ApplicationInfo app = pkg.applicationInfo; 18878 final int appId = UserHandle.getAppId(app.uid); 18879 18880 Preconditions.checkNotNull(app.seinfo); 18881 18882 try { 18883 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18884 appId, app.seinfo, app.targetSdkVersion); 18885 } catch (InstallerException e) { 18886 if (app.isSystemApp()) { 18887 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18888 + ", but trying to recover: " + e); 18889 destroyAppDataLeafLIF(pkg, userId, flags); 18890 try { 18891 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18892 appId, app.seinfo, app.targetSdkVersion); 18893 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18894 } catch (InstallerException e2) { 18895 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18896 } 18897 } else { 18898 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18899 } 18900 } 18901 18902 if (restoreconNeeded) { 18903 try { 18904 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 18905 app.seinfo); 18906 } catch (InstallerException e) { 18907 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 18908 } 18909 } 18910 18911 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18912 try { 18913 // CE storage is unlocked right now, so read out the inode and 18914 // remember for use later when it's locked 18915 // TODO: mark this structure as dirty so we persist it! 18916 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 18917 StorageManager.FLAG_STORAGE_CE); 18918 synchronized (mPackages) { 18919 final PackageSetting ps = mSettings.mPackages.get(packageName); 18920 if (ps != null) { 18921 ps.setCeDataInode(ceDataInode, userId); 18922 } 18923 } 18924 } catch (InstallerException e) { 18925 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 18926 } 18927 } 18928 18929 prepareAppDataContentsLeafLIF(pkg, userId, flags); 18930 } 18931 18932 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 18933 if (pkg == null) { 18934 Slog.wtf(TAG, "Package was null!", new Throwable()); 18935 return; 18936 } 18937 prepareAppDataContentsLeafLIF(pkg, userId, flags); 18938 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18939 for (int i = 0; i < childCount; i++) { 18940 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 18941 } 18942 } 18943 18944 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 18945 final String volumeUuid = pkg.volumeUuid; 18946 final String packageName = pkg.packageName; 18947 final ApplicationInfo app = pkg.applicationInfo; 18948 18949 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18950 // Create a native library symlink only if we have native libraries 18951 // and if the native libraries are 32 bit libraries. We do not provide 18952 // this symlink for 64 bit libraries. 18953 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18954 final String nativeLibPath = app.nativeLibraryDir; 18955 try { 18956 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18957 nativeLibPath, userId); 18958 } catch (InstallerException e) { 18959 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18960 } 18961 } 18962 } 18963 } 18964 18965 /** 18966 * For system apps on non-FBE devices, this method migrates any existing 18967 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18968 * requested by the app. 18969 */ 18970 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 18971 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18972 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18973 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18974 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18975 try { 18976 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 18977 storageTarget); 18978 } catch (InstallerException e) { 18979 logCriticalInfo(Log.WARN, 18980 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18981 } 18982 return true; 18983 } else { 18984 return false; 18985 } 18986 } 18987 18988 public PackageFreezer freezePackage(String packageName, String killReason) { 18989 return new PackageFreezer(packageName, killReason); 18990 } 18991 18992 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 18993 String killReason) { 18994 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 18995 return new PackageFreezer(); 18996 } else { 18997 return freezePackage(packageName, killReason); 18998 } 18999 } 19000 19001 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19002 String killReason) { 19003 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19004 return new PackageFreezer(); 19005 } else { 19006 return freezePackage(packageName, killReason); 19007 } 19008 } 19009 19010 /** 19011 * Class that freezes and kills the given package upon creation, and 19012 * unfreezes it upon closing. This is typically used when doing surgery on 19013 * app code/data to prevent the app from running while you're working. 19014 */ 19015 private class PackageFreezer implements AutoCloseable { 19016 private final String mPackageName; 19017 private final PackageFreezer[] mChildren; 19018 19019 private final boolean mWeFroze; 19020 19021 private final AtomicBoolean mClosed = new AtomicBoolean(); 19022 private final CloseGuard mCloseGuard = CloseGuard.get(); 19023 19024 /** 19025 * Create and return a stub freezer that doesn't actually do anything, 19026 * typically used when someone requested 19027 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19028 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19029 */ 19030 public PackageFreezer() { 19031 mPackageName = null; 19032 mChildren = null; 19033 mWeFroze = false; 19034 mCloseGuard.open("close"); 19035 } 19036 19037 public PackageFreezer(String packageName, String killReason) { 19038 synchronized (mPackages) { 19039 mPackageName = packageName; 19040 mWeFroze = mFrozenPackages.add(mPackageName); 19041 19042 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19043 if (ps != null) { 19044 killApplication(ps.name, ps.appId, killReason); 19045 } 19046 19047 final PackageParser.Package p = mPackages.get(packageName); 19048 if (p != null && p.childPackages != null) { 19049 final int N = p.childPackages.size(); 19050 mChildren = new PackageFreezer[N]; 19051 for (int i = 0; i < N; i++) { 19052 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19053 killReason); 19054 } 19055 } else { 19056 mChildren = null; 19057 } 19058 } 19059 mCloseGuard.open("close"); 19060 } 19061 19062 @Override 19063 protected void finalize() throws Throwable { 19064 try { 19065 mCloseGuard.warnIfOpen(); 19066 close(); 19067 } finally { 19068 super.finalize(); 19069 } 19070 } 19071 19072 @Override 19073 public void close() { 19074 mCloseGuard.close(); 19075 if (mClosed.compareAndSet(false, true)) { 19076 synchronized (mPackages) { 19077 if (mWeFroze) { 19078 mFrozenPackages.remove(mPackageName); 19079 } 19080 19081 if (mChildren != null) { 19082 for (PackageFreezer freezer : mChildren) { 19083 freezer.close(); 19084 } 19085 } 19086 } 19087 } 19088 } 19089 } 19090 19091 /** 19092 * Verify that given package is currently frozen. 19093 */ 19094 private void checkPackageFrozen(String packageName) { 19095 synchronized (mPackages) { 19096 if (!mFrozenPackages.contains(packageName)) { 19097 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19098 } 19099 } 19100 } 19101 19102 @Override 19103 public int movePackage(final String packageName, final String volumeUuid) { 19104 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19105 19106 final int moveId = mNextMoveId.getAndIncrement(); 19107 mHandler.post(new Runnable() { 19108 @Override 19109 public void run() { 19110 try { 19111 movePackageInternal(packageName, volumeUuid, moveId); 19112 } catch (PackageManagerException e) { 19113 Slog.w(TAG, "Failed to move " + packageName, e); 19114 mMoveCallbacks.notifyStatusChanged(moveId, 19115 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19116 } 19117 } 19118 }); 19119 return moveId; 19120 } 19121 19122 private void movePackageInternal(final String packageName, final String volumeUuid, 19123 final int moveId) throws PackageManagerException { 19124 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19125 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19126 final PackageManager pm = mContext.getPackageManager(); 19127 19128 final boolean currentAsec; 19129 final String currentVolumeUuid; 19130 final File codeFile; 19131 final String installerPackageName; 19132 final String packageAbiOverride; 19133 final int appId; 19134 final String seinfo; 19135 final String label; 19136 final int targetSdkVersion; 19137 final PackageFreezer freezer; 19138 19139 // reader 19140 synchronized (mPackages) { 19141 final PackageParser.Package pkg = mPackages.get(packageName); 19142 final PackageSetting ps = mSettings.mPackages.get(packageName); 19143 if (pkg == null || ps == null) { 19144 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19145 } 19146 19147 if (pkg.applicationInfo.isSystemApp()) { 19148 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19149 "Cannot move system application"); 19150 } 19151 19152 if (pkg.applicationInfo.isExternalAsec()) { 19153 currentAsec = true; 19154 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19155 } else if (pkg.applicationInfo.isForwardLocked()) { 19156 currentAsec = true; 19157 currentVolumeUuid = "forward_locked"; 19158 } else { 19159 currentAsec = false; 19160 currentVolumeUuid = ps.volumeUuid; 19161 19162 final File probe = new File(pkg.codePath); 19163 final File probeOat = new File(probe, "oat"); 19164 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19165 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19166 "Move only supported for modern cluster style installs"); 19167 } 19168 } 19169 19170 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19171 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19172 "Package already moved to " + volumeUuid); 19173 } 19174 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19175 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19176 "Device admin cannot be moved"); 19177 } 19178 19179 if (mFrozenPackages.contains(packageName)) { 19180 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19181 "Failed to move already frozen package"); 19182 } 19183 19184 codeFile = new File(pkg.codePath); 19185 installerPackageName = ps.installerPackageName; 19186 packageAbiOverride = ps.cpuAbiOverrideString; 19187 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19188 seinfo = pkg.applicationInfo.seinfo; 19189 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19190 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19191 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19192 } 19193 19194 final Bundle extras = new Bundle(); 19195 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19196 extras.putString(Intent.EXTRA_TITLE, label); 19197 mMoveCallbacks.notifyCreated(moveId, extras); 19198 19199 int installFlags; 19200 final boolean moveCompleteApp; 19201 final File measurePath; 19202 19203 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19204 installFlags = INSTALL_INTERNAL; 19205 moveCompleteApp = !currentAsec; 19206 measurePath = Environment.getDataAppDirectory(volumeUuid); 19207 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19208 installFlags = INSTALL_EXTERNAL; 19209 moveCompleteApp = false; 19210 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19211 } else { 19212 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19213 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19214 || !volume.isMountedWritable()) { 19215 freezer.close(); 19216 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19217 "Move location not mounted private volume"); 19218 } 19219 19220 Preconditions.checkState(!currentAsec); 19221 19222 installFlags = INSTALL_INTERNAL; 19223 moveCompleteApp = true; 19224 measurePath = Environment.getDataAppDirectory(volumeUuid); 19225 } 19226 19227 final PackageStats stats = new PackageStats(null, -1); 19228 synchronized (mInstaller) { 19229 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19230 freezer.close(); 19231 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19232 "Failed to measure package size"); 19233 } 19234 } 19235 19236 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19237 + stats.dataSize); 19238 19239 final long startFreeBytes = measurePath.getFreeSpace(); 19240 final long sizeBytes; 19241 if (moveCompleteApp) { 19242 sizeBytes = stats.codeSize + stats.dataSize; 19243 } else { 19244 sizeBytes = stats.codeSize; 19245 } 19246 19247 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19248 freezer.close(); 19249 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19250 "Not enough free space to move"); 19251 } 19252 19253 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19254 19255 final CountDownLatch installedLatch = new CountDownLatch(1); 19256 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19257 @Override 19258 public void onUserActionRequired(Intent intent) throws RemoteException { 19259 throw new IllegalStateException(); 19260 } 19261 19262 @Override 19263 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19264 Bundle extras) throws RemoteException { 19265 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19266 + PackageManager.installStatusToString(returnCode, msg)); 19267 19268 installedLatch.countDown(); 19269 freezer.close(); 19270 19271 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19272 switch (status) { 19273 case PackageInstaller.STATUS_SUCCESS: 19274 mMoveCallbacks.notifyStatusChanged(moveId, 19275 PackageManager.MOVE_SUCCEEDED); 19276 break; 19277 case PackageInstaller.STATUS_FAILURE_STORAGE: 19278 mMoveCallbacks.notifyStatusChanged(moveId, 19279 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19280 break; 19281 default: 19282 mMoveCallbacks.notifyStatusChanged(moveId, 19283 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19284 break; 19285 } 19286 } 19287 }; 19288 19289 final MoveInfo move; 19290 if (moveCompleteApp) { 19291 // Kick off a thread to report progress estimates 19292 new Thread() { 19293 @Override 19294 public void run() { 19295 while (true) { 19296 try { 19297 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19298 break; 19299 } 19300 } catch (InterruptedException ignored) { 19301 } 19302 19303 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19304 final int progress = 10 + (int) MathUtils.constrain( 19305 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19306 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19307 } 19308 } 19309 }.start(); 19310 19311 final String dataAppName = codeFile.getName(); 19312 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19313 dataAppName, appId, seinfo, targetSdkVersion); 19314 } else { 19315 move = null; 19316 } 19317 19318 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19319 19320 final Message msg = mHandler.obtainMessage(INIT_COPY); 19321 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19322 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19323 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19324 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19325 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19326 msg.obj = params; 19327 19328 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19329 System.identityHashCode(msg.obj)); 19330 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19331 System.identityHashCode(msg.obj)); 19332 19333 mHandler.sendMessage(msg); 19334 } 19335 19336 @Override 19337 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19338 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19339 19340 final int realMoveId = mNextMoveId.getAndIncrement(); 19341 final Bundle extras = new Bundle(); 19342 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19343 mMoveCallbacks.notifyCreated(realMoveId, extras); 19344 19345 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19346 @Override 19347 public void onCreated(int moveId, Bundle extras) { 19348 // Ignored 19349 } 19350 19351 @Override 19352 public void onStatusChanged(int moveId, int status, long estMillis) { 19353 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19354 } 19355 }; 19356 19357 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19358 storage.setPrimaryStorageUuid(volumeUuid, callback); 19359 return realMoveId; 19360 } 19361 19362 @Override 19363 public int getMoveStatus(int moveId) { 19364 mContext.enforceCallingOrSelfPermission( 19365 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19366 return mMoveCallbacks.mLastStatus.get(moveId); 19367 } 19368 19369 @Override 19370 public void registerMoveCallback(IPackageMoveObserver callback) { 19371 mContext.enforceCallingOrSelfPermission( 19372 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19373 mMoveCallbacks.register(callback); 19374 } 19375 19376 @Override 19377 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19378 mContext.enforceCallingOrSelfPermission( 19379 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19380 mMoveCallbacks.unregister(callback); 19381 } 19382 19383 @Override 19384 public boolean setInstallLocation(int loc) { 19385 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19386 null); 19387 if (getInstallLocation() == loc) { 19388 return true; 19389 } 19390 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19391 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19392 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19393 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19394 return true; 19395 } 19396 return false; 19397 } 19398 19399 @Override 19400 public int getInstallLocation() { 19401 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19402 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19403 PackageHelper.APP_INSTALL_AUTO); 19404 } 19405 19406 /** Called by UserManagerService */ 19407 void cleanUpUser(UserManagerService userManager, int userHandle) { 19408 synchronized (mPackages) { 19409 mDirtyUsers.remove(userHandle); 19410 mUserNeedsBadging.delete(userHandle); 19411 mSettings.removeUserLPw(userHandle); 19412 mPendingBroadcasts.remove(userHandle); 19413 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19414 } 19415 synchronized (mInstallLock) { 19416 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19417 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19418 final String volumeUuid = vol.getFsUuid(); 19419 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 19420 try { 19421 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 19422 } catch (InstallerException e) { 19423 Slog.w(TAG, "Failed to remove user data", e); 19424 } 19425 } 19426 synchronized (mPackages) { 19427 removeUnusedPackagesLILPw(userManager, userHandle); 19428 } 19429 } 19430 } 19431 19432 /** 19433 * We're removing userHandle and would like to remove any downloaded packages 19434 * that are no longer in use by any other user. 19435 * @param userHandle the user being removed 19436 */ 19437 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 19438 final boolean DEBUG_CLEAN_APKS = false; 19439 int [] users = userManager.getUserIds(); 19440 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19441 while (psit.hasNext()) { 19442 PackageSetting ps = psit.next(); 19443 if (ps.pkg == null) { 19444 continue; 19445 } 19446 final String packageName = ps.pkg.packageName; 19447 // Skip over if system app 19448 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19449 continue; 19450 } 19451 if (DEBUG_CLEAN_APKS) { 19452 Slog.i(TAG, "Checking package " + packageName); 19453 } 19454 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19455 if (keep) { 19456 if (DEBUG_CLEAN_APKS) { 19457 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19458 } 19459 } else { 19460 for (int i = 0; i < users.length; i++) { 19461 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19462 keep = true; 19463 if (DEBUG_CLEAN_APKS) { 19464 Slog.i(TAG, " Keeping package " + packageName + " for user " 19465 + users[i]); 19466 } 19467 break; 19468 } 19469 } 19470 } 19471 if (!keep) { 19472 if (DEBUG_CLEAN_APKS) { 19473 Slog.i(TAG, " Removing package " + packageName); 19474 } 19475 mHandler.post(new Runnable() { 19476 public void run() { 19477 deletePackageX(packageName, userHandle, 0); 19478 } //end run 19479 }); 19480 } 19481 } 19482 } 19483 19484 /** Called by UserManagerService */ 19485 void createNewUser(int userHandle) { 19486 synchronized (mInstallLock) { 19487 try { 19488 mInstaller.createUserConfig(userHandle); 19489 } catch (InstallerException e) { 19490 Slog.w(TAG, "Failed to create user config", e); 19491 } 19492 mSettings.createNewUserLI(this, mInstaller, userHandle); 19493 } 19494 synchronized (mPackages) { 19495 applyFactoryDefaultBrowserLPw(userHandle); 19496 primeDomainVerificationsLPw(userHandle); 19497 } 19498 } 19499 19500 void newUserCreated(final int userHandle) { 19501 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19502 // If permission review for legacy apps is required, we represent 19503 // dagerous permissions for such apps as always granted runtime 19504 // permissions to keep per user flag state whether review is needed. 19505 // Hence, if a new user is added we have to propagate dangerous 19506 // permission grants for these legacy apps. 19507 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19508 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19509 | UPDATE_PERMISSIONS_REPLACE_ALL); 19510 } 19511 } 19512 19513 @Override 19514 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19515 mContext.enforceCallingOrSelfPermission( 19516 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19517 "Only package verification agents can read the verifier device identity"); 19518 19519 synchronized (mPackages) { 19520 return mSettings.getVerifierDeviceIdentityLPw(); 19521 } 19522 } 19523 19524 @Override 19525 public void setPermissionEnforced(String permission, boolean enforced) { 19526 // TODO: Now that we no longer change GID for storage, this should to away. 19527 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19528 "setPermissionEnforced"); 19529 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19530 synchronized (mPackages) { 19531 if (mSettings.mReadExternalStorageEnforced == null 19532 || mSettings.mReadExternalStorageEnforced != enforced) { 19533 mSettings.mReadExternalStorageEnforced = enforced; 19534 mSettings.writeLPr(); 19535 } 19536 } 19537 // kill any non-foreground processes so we restart them and 19538 // grant/revoke the GID. 19539 final IActivityManager am = ActivityManagerNative.getDefault(); 19540 if (am != null) { 19541 final long token = Binder.clearCallingIdentity(); 19542 try { 19543 am.killProcessesBelowForeground("setPermissionEnforcement"); 19544 } catch (RemoteException e) { 19545 } finally { 19546 Binder.restoreCallingIdentity(token); 19547 } 19548 } 19549 } else { 19550 throw new IllegalArgumentException("No selective enforcement for " + permission); 19551 } 19552 } 19553 19554 @Override 19555 @Deprecated 19556 public boolean isPermissionEnforced(String permission) { 19557 return true; 19558 } 19559 19560 @Override 19561 public boolean isStorageLow() { 19562 final long token = Binder.clearCallingIdentity(); 19563 try { 19564 final DeviceStorageMonitorInternal 19565 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19566 if (dsm != null) { 19567 return dsm.isMemoryLow(); 19568 } else { 19569 return false; 19570 } 19571 } finally { 19572 Binder.restoreCallingIdentity(token); 19573 } 19574 } 19575 19576 @Override 19577 public IPackageInstaller getPackageInstaller() { 19578 return mInstallerService; 19579 } 19580 19581 private boolean userNeedsBadging(int userId) { 19582 int index = mUserNeedsBadging.indexOfKey(userId); 19583 if (index < 0) { 19584 final UserInfo userInfo; 19585 final long token = Binder.clearCallingIdentity(); 19586 try { 19587 userInfo = sUserManager.getUserInfo(userId); 19588 } finally { 19589 Binder.restoreCallingIdentity(token); 19590 } 19591 final boolean b; 19592 if (userInfo != null && userInfo.isManagedProfile()) { 19593 b = true; 19594 } else { 19595 b = false; 19596 } 19597 mUserNeedsBadging.put(userId, b); 19598 return b; 19599 } 19600 return mUserNeedsBadging.valueAt(index); 19601 } 19602 19603 @Override 19604 public KeySet getKeySetByAlias(String packageName, String alias) { 19605 if (packageName == null || alias == null) { 19606 return null; 19607 } 19608 synchronized(mPackages) { 19609 final PackageParser.Package pkg = mPackages.get(packageName); 19610 if (pkg == null) { 19611 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19612 throw new IllegalArgumentException("Unknown package: " + packageName); 19613 } 19614 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19615 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19616 } 19617 } 19618 19619 @Override 19620 public KeySet getSigningKeySet(String packageName) { 19621 if (packageName == null) { 19622 return null; 19623 } 19624 synchronized(mPackages) { 19625 final PackageParser.Package pkg = mPackages.get(packageName); 19626 if (pkg == null) { 19627 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19628 throw new IllegalArgumentException("Unknown package: " + packageName); 19629 } 19630 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19631 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19632 throw new SecurityException("May not access signing KeySet of other apps."); 19633 } 19634 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19635 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19636 } 19637 } 19638 19639 @Override 19640 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19641 if (packageName == null || ks == null) { 19642 return false; 19643 } 19644 synchronized(mPackages) { 19645 final PackageParser.Package pkg = mPackages.get(packageName); 19646 if (pkg == null) { 19647 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19648 throw new IllegalArgumentException("Unknown package: " + packageName); 19649 } 19650 IBinder ksh = ks.getToken(); 19651 if (ksh instanceof KeySetHandle) { 19652 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19653 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19654 } 19655 return false; 19656 } 19657 } 19658 19659 @Override 19660 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19661 if (packageName == null || ks == null) { 19662 return false; 19663 } 19664 synchronized(mPackages) { 19665 final PackageParser.Package pkg = mPackages.get(packageName); 19666 if (pkg == null) { 19667 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19668 throw new IllegalArgumentException("Unknown package: " + packageName); 19669 } 19670 IBinder ksh = ks.getToken(); 19671 if (ksh instanceof KeySetHandle) { 19672 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19673 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19674 } 19675 return false; 19676 } 19677 } 19678 19679 private void deletePackageIfUnusedLPr(final String packageName) { 19680 PackageSetting ps = mSettings.mPackages.get(packageName); 19681 if (ps == null) { 19682 return; 19683 } 19684 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19685 // TODO Implement atomic delete if package is unused 19686 // It is currently possible that the package will be deleted even if it is installed 19687 // after this method returns. 19688 mHandler.post(new Runnable() { 19689 public void run() { 19690 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19691 } 19692 }); 19693 } 19694 } 19695 19696 /** 19697 * Check and throw if the given before/after packages would be considered a 19698 * downgrade. 19699 */ 19700 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19701 throws PackageManagerException { 19702 if (after.versionCode < before.mVersionCode) { 19703 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19704 "Update version code " + after.versionCode + " is older than current " 19705 + before.mVersionCode); 19706 } else if (after.versionCode == before.mVersionCode) { 19707 if (after.baseRevisionCode < before.baseRevisionCode) { 19708 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19709 "Update base revision code " + after.baseRevisionCode 19710 + " is older than current " + before.baseRevisionCode); 19711 } 19712 19713 if (!ArrayUtils.isEmpty(after.splitNames)) { 19714 for (int i = 0; i < after.splitNames.length; i++) { 19715 final String splitName = after.splitNames[i]; 19716 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19717 if (j != -1) { 19718 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19719 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19720 "Update split " + splitName + " revision code " 19721 + after.splitRevisionCodes[i] + " is older than current " 19722 + before.splitRevisionCodes[j]); 19723 } 19724 } 19725 } 19726 } 19727 } 19728 } 19729 19730 private static class MoveCallbacks extends Handler { 19731 private static final int MSG_CREATED = 1; 19732 private static final int MSG_STATUS_CHANGED = 2; 19733 19734 private final RemoteCallbackList<IPackageMoveObserver> 19735 mCallbacks = new RemoteCallbackList<>(); 19736 19737 private final SparseIntArray mLastStatus = new SparseIntArray(); 19738 19739 public MoveCallbacks(Looper looper) { 19740 super(looper); 19741 } 19742 19743 public void register(IPackageMoveObserver callback) { 19744 mCallbacks.register(callback); 19745 } 19746 19747 public void unregister(IPackageMoveObserver callback) { 19748 mCallbacks.unregister(callback); 19749 } 19750 19751 @Override 19752 public void handleMessage(Message msg) { 19753 final SomeArgs args = (SomeArgs) msg.obj; 19754 final int n = mCallbacks.beginBroadcast(); 19755 for (int i = 0; i < n; i++) { 19756 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19757 try { 19758 invokeCallback(callback, msg.what, args); 19759 } catch (RemoteException ignored) { 19760 } 19761 } 19762 mCallbacks.finishBroadcast(); 19763 args.recycle(); 19764 } 19765 19766 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19767 throws RemoteException { 19768 switch (what) { 19769 case MSG_CREATED: { 19770 callback.onCreated(args.argi1, (Bundle) args.arg2); 19771 break; 19772 } 19773 case MSG_STATUS_CHANGED: { 19774 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19775 break; 19776 } 19777 } 19778 } 19779 19780 private void notifyCreated(int moveId, Bundle extras) { 19781 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19782 19783 final SomeArgs args = SomeArgs.obtain(); 19784 args.argi1 = moveId; 19785 args.arg2 = extras; 19786 obtainMessage(MSG_CREATED, args).sendToTarget(); 19787 } 19788 19789 private void notifyStatusChanged(int moveId, int status) { 19790 notifyStatusChanged(moveId, status, -1); 19791 } 19792 19793 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19794 Slog.v(TAG, "Move " + moveId + " status " + status); 19795 19796 final SomeArgs args = SomeArgs.obtain(); 19797 args.argi1 = moveId; 19798 args.argi2 = status; 19799 args.arg3 = estMillis; 19800 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19801 19802 synchronized (mLastStatus) { 19803 mLastStatus.put(moveId, status); 19804 } 19805 } 19806 } 19807 19808 private final static class OnPermissionChangeListeners extends Handler { 19809 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19810 19811 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19812 new RemoteCallbackList<>(); 19813 19814 public OnPermissionChangeListeners(Looper looper) { 19815 super(looper); 19816 } 19817 19818 @Override 19819 public void handleMessage(Message msg) { 19820 switch (msg.what) { 19821 case MSG_ON_PERMISSIONS_CHANGED: { 19822 final int uid = msg.arg1; 19823 handleOnPermissionsChanged(uid); 19824 } break; 19825 } 19826 } 19827 19828 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19829 mPermissionListeners.register(listener); 19830 19831 } 19832 19833 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19834 mPermissionListeners.unregister(listener); 19835 } 19836 19837 public void onPermissionsChanged(int uid) { 19838 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19839 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19840 } 19841 } 19842 19843 private void handleOnPermissionsChanged(int uid) { 19844 final int count = mPermissionListeners.beginBroadcast(); 19845 try { 19846 for (int i = 0; i < count; i++) { 19847 IOnPermissionsChangeListener callback = mPermissionListeners 19848 .getBroadcastItem(i); 19849 try { 19850 callback.onPermissionsChanged(uid); 19851 } catch (RemoteException e) { 19852 Log.e(TAG, "Permission listener is dead", e); 19853 } 19854 } 19855 } finally { 19856 mPermissionListeners.finishBroadcast(); 19857 } 19858 } 19859 } 19860 19861 private class PackageManagerInternalImpl extends PackageManagerInternal { 19862 @Override 19863 public void setLocationPackagesProvider(PackagesProvider provider) { 19864 synchronized (mPackages) { 19865 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19866 } 19867 } 19868 19869 @Override 19870 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19871 synchronized (mPackages) { 19872 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19873 } 19874 } 19875 19876 @Override 19877 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19878 synchronized (mPackages) { 19879 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19880 } 19881 } 19882 19883 @Override 19884 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19885 synchronized (mPackages) { 19886 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19887 } 19888 } 19889 19890 @Override 19891 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19892 synchronized (mPackages) { 19893 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19894 } 19895 } 19896 19897 @Override 19898 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19899 synchronized (mPackages) { 19900 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19901 } 19902 } 19903 19904 @Override 19905 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19906 synchronized (mPackages) { 19907 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19908 packageName, userId); 19909 } 19910 } 19911 19912 @Override 19913 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19914 synchronized (mPackages) { 19915 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19916 packageName, userId); 19917 } 19918 } 19919 19920 @Override 19921 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19922 synchronized (mPackages) { 19923 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19924 packageName, userId); 19925 } 19926 } 19927 19928 @Override 19929 public void setKeepUninstalledPackages(final List<String> packageList) { 19930 Preconditions.checkNotNull(packageList); 19931 List<String> removedFromList = null; 19932 synchronized (mPackages) { 19933 if (mKeepUninstalledPackages != null) { 19934 final int packagesCount = mKeepUninstalledPackages.size(); 19935 for (int i = 0; i < packagesCount; i++) { 19936 String oldPackage = mKeepUninstalledPackages.get(i); 19937 if (packageList != null && packageList.contains(oldPackage)) { 19938 continue; 19939 } 19940 if (removedFromList == null) { 19941 removedFromList = new ArrayList<>(); 19942 } 19943 removedFromList.add(oldPackage); 19944 } 19945 } 19946 mKeepUninstalledPackages = new ArrayList<>(packageList); 19947 if (removedFromList != null) { 19948 final int removedCount = removedFromList.size(); 19949 for (int i = 0; i < removedCount; i++) { 19950 deletePackageIfUnusedLPr(removedFromList.get(i)); 19951 } 19952 } 19953 } 19954 } 19955 19956 @Override 19957 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19958 synchronized (mPackages) { 19959 // If we do not support permission review, done. 19960 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19961 return false; 19962 } 19963 19964 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19965 if (packageSetting == null) { 19966 return false; 19967 } 19968 19969 // Permission review applies only to apps not supporting the new permission model. 19970 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19971 return false; 19972 } 19973 19974 // Legacy apps have the permission and get user consent on launch. 19975 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19976 return permissionsState.isPermissionReviewRequired(userId); 19977 } 19978 } 19979 19980 @Override 19981 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19982 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19983 } 19984 19985 @Override 19986 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19987 int userId) { 19988 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19989 } 19990 } 19991 19992 @Override 19993 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19994 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19995 synchronized (mPackages) { 19996 final long identity = Binder.clearCallingIdentity(); 19997 try { 19998 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19999 packageNames, userId); 20000 } finally { 20001 Binder.restoreCallingIdentity(identity); 20002 } 20003 } 20004 } 20005 20006 private static void enforceSystemOrPhoneCaller(String tag) { 20007 int callingUid = Binder.getCallingUid(); 20008 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20009 throw new SecurityException( 20010 "Cannot call " + tag + " from UID " + callingUid); 20011 } 20012 } 20013 20014 boolean isHistoricalPackageUsageAvailable() { 20015 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20016 } 20017 20018 /** 20019 * Return a <b>copy</b> of the collection of packages known to the package manager. 20020 * @return A copy of the values of mPackages. 20021 */ 20022 Collection<PackageParser.Package> getPackages() { 20023 synchronized (mPackages) { 20024 return new ArrayList<>(mPackages.values()); 20025 } 20026 } 20027 20028 /** 20029 * Logs process start information (including base APK hash) to the security log. 20030 * @hide 20031 */ 20032 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20033 String apkFile, int pid) { 20034 if (!SecurityLog.isLoggingEnabled()) { 20035 return; 20036 } 20037 Bundle data = new Bundle(); 20038 data.putLong("startTimestamp", System.currentTimeMillis()); 20039 data.putString("processName", processName); 20040 data.putInt("uid", uid); 20041 data.putString("seinfo", seinfo); 20042 data.putString("apkFile", apkFile); 20043 data.putInt("pid", pid); 20044 Message msg = mProcessLoggingHandler.obtainMessage( 20045 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20046 msg.setData(data); 20047 mProcessLoggingHandler.sendMessage(msg); 20048 } 20049} 20050