PackageManagerService.java revision fff1e744e3f72094e81b01134752d8f48c86d8e5
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_ANY_USER; 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_KNOWN_PACKAGES; 69import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 70import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 71import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 72import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 73import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 74import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 75import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 76import static android.content.pm.PackageManager.PERMISSION_DENIED; 77import static android.content.pm.PackageManager.PERMISSION_GRANTED; 78import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 79import static android.content.pm.PackageParser.isApkFile; 80import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 81import static android.system.OsConstants.O_CREAT; 82import static android.system.OsConstants.O_RDWR; 83 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 86import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 87import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 88import static com.android.internal.util.ArrayUtils.appendInt; 89import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 90import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 93import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 94import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 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.AppOpsManager; 107import android.app.IActivityManager; 108import android.app.ResourcesManager; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.ContentResolver; 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.EphemeralRequest; 128import android.content.pm.EphemeralResolveInfo; 129import android.content.pm.EphemeralResponse; 130import android.content.pm.FallbackCategoryProvider; 131import android.content.pm.FeatureInfo; 132import android.content.pm.IOnPermissionsChangeListener; 133import android.content.pm.IPackageDataObserver; 134import android.content.pm.IPackageDeleteObserver; 135import android.content.pm.IPackageDeleteObserver2; 136import android.content.pm.IPackageInstallObserver2; 137import android.content.pm.IPackageInstaller; 138import android.content.pm.IPackageManager; 139import android.content.pm.IPackageMoveObserver; 140import android.content.pm.IPackageStatsObserver; 141import android.content.pm.InstrumentationInfo; 142import android.content.pm.IntentFilterVerificationInfo; 143import android.content.pm.KeySet; 144import android.content.pm.PackageCleanItem; 145import android.content.pm.PackageInfo; 146import android.content.pm.PackageInfoLite; 147import android.content.pm.PackageInstaller; 148import android.content.pm.PackageManager; 149import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 150import android.content.pm.PackageManagerInternal; 151import android.content.pm.PackageParser; 152import android.content.pm.PackageParser.ActivityIntentInfo; 153import android.content.pm.PackageParser.PackageLite; 154import android.content.pm.PackageParser.PackageParserException; 155import android.content.pm.PackageStats; 156import android.content.pm.PackageUserState; 157import android.content.pm.ParceledListSlice; 158import android.content.pm.PermissionGroupInfo; 159import android.content.pm.PermissionInfo; 160import android.content.pm.ProviderInfo; 161import android.content.pm.ResolveInfo; 162import android.content.pm.ServiceInfo; 163import android.content.pm.Signature; 164import android.content.pm.UserInfo; 165import android.content.pm.VerifierDeviceIdentity; 166import android.content.pm.VerifierInfo; 167import android.content.res.Resources; 168import android.graphics.Bitmap; 169import android.hardware.display.DisplayManager; 170import android.net.Uri; 171import android.os.Binder; 172import android.os.Build; 173import android.os.Bundle; 174import android.os.Debug; 175import android.os.Environment; 176import android.os.Environment.UserEnvironment; 177import android.os.FileUtils; 178import android.os.Handler; 179import android.os.IBinder; 180import android.os.Looper; 181import android.os.Message; 182import android.os.Parcel; 183import android.os.ParcelFileDescriptor; 184import android.os.PatternMatcher; 185import android.os.Process; 186import android.os.RemoteCallbackList; 187import android.os.RemoteException; 188import android.os.ResultReceiver; 189import android.os.SELinux; 190import android.os.ServiceManager; 191import android.os.ShellCallback; 192import android.os.SystemClock; 193import android.os.SystemProperties; 194import android.os.Trace; 195import android.os.UserHandle; 196import android.os.UserManager; 197import android.os.UserManagerInternal; 198import android.os.storage.IStorageManager; 199import android.os.storage.StorageManagerInternal; 200import android.os.storage.StorageEventListener; 201import android.os.storage.StorageManager; 202import android.os.storage.VolumeInfo; 203import android.os.storage.VolumeRecord; 204import android.provider.Settings.Global; 205import android.provider.Settings.Secure; 206import android.security.KeyStore; 207import android.security.SystemKeyStore; 208import android.system.ErrnoException; 209import android.system.Os; 210import android.text.TextUtils; 211import android.text.format.DateUtils; 212import android.util.ArrayMap; 213import android.util.ArraySet; 214import android.util.Base64; 215import android.util.DisplayMetrics; 216import android.util.EventLog; 217import android.util.ExceptionUtils; 218import android.util.Log; 219import android.util.LogPrinter; 220import android.util.MathUtils; 221import android.util.Pair; 222import android.util.PrintStreamPrinter; 223import android.util.Slog; 224import android.util.SparseArray; 225import android.util.SparseBooleanArray; 226import android.util.SparseIntArray; 227import android.util.Xml; 228import android.util.jar.StrictJarFile; 229import android.view.Display; 230 231import com.android.internal.R; 232import com.android.internal.annotations.GuardedBy; 233import com.android.internal.app.IMediaContainerService; 234import com.android.internal.app.ResolverActivity; 235import com.android.internal.content.NativeLibraryHelper; 236import com.android.internal.content.PackageHelper; 237import com.android.internal.logging.MetricsLogger; 238import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 239import com.android.internal.os.IParcelFileDescriptorFactory; 240import com.android.internal.os.RoSystemProperties; 241import com.android.internal.os.SomeArgs; 242import com.android.internal.os.Zygote; 243import com.android.internal.telephony.CarrierAppUtils; 244import com.android.internal.util.ArrayUtils; 245import com.android.internal.util.FastPrintWriter; 246import com.android.internal.util.FastXmlSerializer; 247import com.android.internal.util.IndentingPrintWriter; 248import com.android.internal.util.Preconditions; 249import com.android.internal.util.XmlUtils; 250import com.android.server.AttributeCache; 251import com.android.server.EventLogTags; 252import com.android.server.FgThread; 253import com.android.server.IntentResolver; 254import com.android.server.LocalServices; 255import com.android.server.ServiceThread; 256import com.android.server.SystemConfig; 257import com.android.server.Watchdog; 258import com.android.server.net.NetworkPolicyManagerInternal; 259import com.android.server.pm.Installer.InstallerException; 260import com.android.server.pm.PermissionsState.PermissionState; 261import com.android.server.pm.Settings.DatabaseVersion; 262import com.android.server.pm.Settings.VersionInfo; 263import com.android.server.pm.dex.DexManager; 264import com.android.server.storage.DeviceStorageMonitorInternal; 265 266import dalvik.system.CloseGuard; 267import dalvik.system.DexFile; 268import dalvik.system.VMRuntime; 269 270import libcore.io.IoUtils; 271import libcore.util.EmptyArray; 272 273import org.xmlpull.v1.XmlPullParser; 274import org.xmlpull.v1.XmlPullParserException; 275import org.xmlpull.v1.XmlSerializer; 276 277import java.io.BufferedOutputStream; 278import java.io.BufferedReader; 279import java.io.ByteArrayInputStream; 280import java.io.ByteArrayOutputStream; 281import java.io.File; 282import java.io.FileDescriptor; 283import java.io.FileInputStream; 284import java.io.FileNotFoundException; 285import java.io.FileOutputStream; 286import java.io.FileReader; 287import java.io.FilenameFilter; 288import java.io.IOException; 289import java.io.PrintWriter; 290import java.nio.charset.StandardCharsets; 291import java.security.DigestInputStream; 292import java.security.MessageDigest; 293import java.security.NoSuchAlgorithmException; 294import java.security.PublicKey; 295import java.security.SecureRandom; 296import java.security.cert.Certificate; 297import java.security.cert.CertificateEncodingException; 298import java.security.cert.CertificateException; 299import java.text.SimpleDateFormat; 300import java.util.ArrayList; 301import java.util.Arrays; 302import java.util.Collection; 303import java.util.Collections; 304import java.util.Comparator; 305import java.util.Date; 306import java.util.HashSet; 307import java.util.HashMap; 308import java.util.Iterator; 309import java.util.List; 310import java.util.Map; 311import java.util.Objects; 312import java.util.Set; 313import java.util.concurrent.CountDownLatch; 314import java.util.concurrent.TimeUnit; 315import java.util.concurrent.atomic.AtomicBoolean; 316import java.util.concurrent.atomic.AtomicInteger; 317 318/** 319 * Keep track of all those APKs everywhere. 320 * <p> 321 * Internally there are two important locks: 322 * <ul> 323 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 324 * and other related state. It is a fine-grained lock that should only be held 325 * momentarily, as it's one of the most contended locks in the system. 326 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 327 * operations typically involve heavy lifting of application data on disk. Since 328 * {@code installd} is single-threaded, and it's operations can often be slow, 329 * this lock should never be acquired while already holding {@link #mPackages}. 330 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 331 * holding {@link #mInstallLock}. 332 * </ul> 333 * Many internal methods rely on the caller to hold the appropriate locks, and 334 * this contract is expressed through method name suffixes: 335 * <ul> 336 * <li>fooLI(): the caller must hold {@link #mInstallLock} 337 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 338 * being modified must be frozen 339 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 340 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 341 * </ul> 342 * <p> 343 * Because this class is very central to the platform's security; please run all 344 * CTS and unit tests whenever making modifications: 345 * 346 * <pre> 347 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 348 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 349 * </pre> 350 */ 351public class PackageManagerService extends IPackageManager.Stub { 352 static final String TAG = "PackageManager"; 353 static final boolean DEBUG_SETTINGS = false; 354 static final boolean DEBUG_PREFERRED = false; 355 static final boolean DEBUG_UPGRADE = false; 356 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 357 private static final boolean DEBUG_BACKUP = false; 358 private static final boolean DEBUG_INSTALL = false; 359 private static final boolean DEBUG_REMOVE = false; 360 private static final boolean DEBUG_BROADCASTS = false; 361 private static final boolean DEBUG_SHOW_INFO = false; 362 private static final boolean DEBUG_PACKAGE_INFO = false; 363 private static final boolean DEBUG_INTENT_MATCHING = false; 364 private static final boolean DEBUG_PACKAGE_SCANNING = false; 365 private static final boolean DEBUG_VERIFY = false; 366 private static final boolean DEBUG_FILTERS = false; 367 368 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 369 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 370 // user, but by default initialize to this. 371 static final boolean DEBUG_DEXOPT = false; 372 373 private static final boolean DEBUG_ABI_SELECTION = false; 374 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 375 private static final boolean DEBUG_TRIAGED_MISSING = false; 376 private static final boolean DEBUG_APP_DATA = false; 377 378 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 379 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 380 381 private static final boolean DISABLE_EPHEMERAL_APPS = false; 382 private static final boolean HIDE_EPHEMERAL_APIS = true; 383 384 private static final boolean ENABLE_QUOTA = 385 SystemProperties.getBoolean("persist.fw.quota", false); 386 387 private static final int RADIO_UID = Process.PHONE_UID; 388 private static final int LOG_UID = Process.LOG_UID; 389 private static final int NFC_UID = Process.NFC_UID; 390 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 391 private static final int SHELL_UID = Process.SHELL_UID; 392 393 // Cap the size of permission trees that 3rd party apps can define 394 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 395 396 // Suffix used during package installation when copying/moving 397 // package apks to install directory. 398 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 399 400 static final int SCAN_NO_DEX = 1<<1; 401 static final int SCAN_FORCE_DEX = 1<<2; 402 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 403 static final int SCAN_NEW_INSTALL = 1<<4; 404 static final int SCAN_UPDATE_TIME = 1<<5; 405 static final int SCAN_BOOTING = 1<<6; 406 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 407 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 408 static final int SCAN_REPLACING = 1<<9; 409 static final int SCAN_REQUIRE_KNOWN = 1<<10; 410 static final int SCAN_MOVE = 1<<11; 411 static final int SCAN_INITIAL = 1<<12; 412 static final int SCAN_CHECK_ONLY = 1<<13; 413 static final int SCAN_DONT_KILL_APP = 1<<14; 414 static final int SCAN_IGNORE_FROZEN = 1<<15; 415 static final int REMOVE_CHATTY = 1<<16; 416 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<17; 417 418 private static final int[] EMPTY_INT_ARRAY = new int[0]; 419 420 /** 421 * Timeout (in milliseconds) after which the watchdog should declare that 422 * our handler thread is wedged. The usual default for such things is one 423 * minute but we sometimes do very lengthy I/O operations on this thread, 424 * such as installing multi-gigabyte applications, so ours needs to be longer. 425 */ 426 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 427 428 /** 429 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 430 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 431 * settings entry if available, otherwise we use the hardcoded default. If it's been 432 * more than this long since the last fstrim, we force one during the boot sequence. 433 * 434 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 435 * one gets run at the next available charging+idle time. This final mandatory 436 * no-fstrim check kicks in only of the other scheduling criteria is never met. 437 */ 438 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 439 440 /** 441 * Whether verification is enabled by default. 442 */ 443 private static final boolean DEFAULT_VERIFY_ENABLE = true; 444 445 /** 446 * The default maximum time to wait for the verification agent to return in 447 * milliseconds. 448 */ 449 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 450 451 /** 452 * The default response for package verification timeout. 453 * 454 * This can be either PackageManager.VERIFICATION_ALLOW or 455 * PackageManager.VERIFICATION_REJECT. 456 */ 457 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 458 459 static final String PLATFORM_PACKAGE_NAME = "android"; 460 461 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 462 463 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 464 DEFAULT_CONTAINER_PACKAGE, 465 "com.android.defcontainer.DefaultContainerService"); 466 467 private static final String KILL_APP_REASON_GIDS_CHANGED = 468 "permission grant or revoke changed gids"; 469 470 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 471 "permissions revoked"; 472 473 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 474 475 private static final String PACKAGE_SCHEME = "package"; 476 477 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 478 /** 479 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 480 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 481 * VENDOR_OVERLAY_DIR. 482 */ 483 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 484 /** 485 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 486 * is in VENDOR_OVERLAY_THEME_PROPERTY. 487 */ 488 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 489 = "persist.vendor.overlay.theme"; 490 491 /** Permission grant: not grant the permission. */ 492 private static final int GRANT_DENIED = 1; 493 494 /** Permission grant: grant the permission as an install permission. */ 495 private static final int GRANT_INSTALL = 2; 496 497 /** Permission grant: grant the permission as a runtime one. */ 498 private static final int GRANT_RUNTIME = 3; 499 500 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 501 private static final int GRANT_UPGRADE = 4; 502 503 /** Canonical intent used to identify what counts as a "web browser" app */ 504 private static final Intent sBrowserIntent; 505 static { 506 sBrowserIntent = new Intent(); 507 sBrowserIntent.setAction(Intent.ACTION_VIEW); 508 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 509 sBrowserIntent.setData(Uri.parse("http:")); 510 } 511 512 /** 513 * The set of all protected actions [i.e. those actions for which a high priority 514 * intent filter is disallowed]. 515 */ 516 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 517 static { 518 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 519 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 520 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 521 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 522 } 523 524 // Compilation reasons. 525 public static final int REASON_FIRST_BOOT = 0; 526 public static final int REASON_BOOT = 1; 527 public static final int REASON_INSTALL = 2; 528 public static final int REASON_BACKGROUND_DEXOPT = 3; 529 public static final int REASON_AB_OTA = 4; 530 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 531 public static final int REASON_SHARED_APK = 6; 532 public static final int REASON_FORCED_DEXOPT = 7; 533 public static final int REASON_CORE_APP = 8; 534 535 public static final int REASON_LAST = REASON_CORE_APP; 536 537 /** Special library name that skips shared libraries check during compilation. */ 538 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 539 540 /** All dangerous permission names in the same order as the events in MetricsEvent */ 541 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 542 Manifest.permission.READ_CALENDAR, 543 Manifest.permission.WRITE_CALENDAR, 544 Manifest.permission.CAMERA, 545 Manifest.permission.READ_CONTACTS, 546 Manifest.permission.WRITE_CONTACTS, 547 Manifest.permission.GET_ACCOUNTS, 548 Manifest.permission.ACCESS_FINE_LOCATION, 549 Manifest.permission.ACCESS_COARSE_LOCATION, 550 Manifest.permission.RECORD_AUDIO, 551 Manifest.permission.READ_PHONE_STATE, 552 Manifest.permission.CALL_PHONE, 553 Manifest.permission.READ_CALL_LOG, 554 Manifest.permission.WRITE_CALL_LOG, 555 Manifest.permission.ADD_VOICEMAIL, 556 Manifest.permission.USE_SIP, 557 Manifest.permission.PROCESS_OUTGOING_CALLS, 558 Manifest.permission.READ_CELL_BROADCASTS, 559 Manifest.permission.BODY_SENSORS, 560 Manifest.permission.SEND_SMS, 561 Manifest.permission.RECEIVE_SMS, 562 Manifest.permission.READ_SMS, 563 Manifest.permission.RECEIVE_WAP_PUSH, 564 Manifest.permission.RECEIVE_MMS, 565 Manifest.permission.READ_EXTERNAL_STORAGE, 566 Manifest.permission.WRITE_EXTERNAL_STORAGE, 567 Manifest.permission.READ_PHONE_NUMBER); 568 569 570 /** 571 * Version number for the package parser cache. Increment this whenever the format or 572 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 573 */ 574 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 575 576 /** 577 * Whether the package parser cache is enabled. 578 */ 579 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 580 581 final ServiceThread mHandlerThread; 582 583 final PackageHandler mHandler; 584 585 private final ProcessLoggingHandler mProcessLoggingHandler; 586 587 /** 588 * Messages for {@link #mHandler} that need to wait for system ready before 589 * being dispatched. 590 */ 591 private ArrayList<Message> mPostSystemReadyMessages; 592 593 final int mSdkVersion = Build.VERSION.SDK_INT; 594 595 final Context mContext; 596 final boolean mFactoryTest; 597 final boolean mOnlyCore; 598 final DisplayMetrics mMetrics; 599 final int mDefParseFlags; 600 final String[] mSeparateProcesses; 601 final boolean mIsUpgrade; 602 final boolean mIsPreNUpgrade; 603 final boolean mIsPreNMR1Upgrade; 604 605 @GuardedBy("mPackages") 606 private boolean mDexOptDialogShown; 607 608 /** The location for ASEC container files on internal storage. */ 609 final String mAsecInternalPath; 610 611 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 612 // LOCK HELD. Can be called with mInstallLock held. 613 @GuardedBy("mInstallLock") 614 final Installer mInstaller; 615 616 /** Directory where installed third-party apps stored */ 617 final File mAppInstallDir; 618 final File mEphemeralInstallDir; 619 620 /** 621 * Directory to which applications installed internally have their 622 * 32 bit native libraries copied. 623 */ 624 private File mAppLib32InstallDir; 625 626 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 627 // apps. 628 final File mDrmAppPrivateInstallDir; 629 630 // ---------------------------------------------------------------- 631 632 // Lock for state used when installing and doing other long running 633 // operations. Methods that must be called with this lock held have 634 // the suffix "LI". 635 final Object mInstallLock = new Object(); 636 637 // ---------------------------------------------------------------- 638 639 // Keys are String (package name), values are Package. This also serves 640 // as the lock for the global state. Methods that must be called with 641 // this lock held have the prefix "LP". 642 @GuardedBy("mPackages") 643 final ArrayMap<String, PackageParser.Package> mPackages = 644 new ArrayMap<String, PackageParser.Package>(); 645 646 final ArrayMap<String, Set<String>> mKnownCodebase = 647 new ArrayMap<String, Set<String>>(); 648 649 // Tracks available target package names -> overlay package paths. 650 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 651 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 652 653 /** 654 * Tracks new system packages [received in an OTA] that we expect to 655 * find updated user-installed versions. Keys are package name, values 656 * are package location. 657 */ 658 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 659 /** 660 * Tracks high priority intent filters for protected actions. During boot, certain 661 * filter actions are protected and should never be allowed to have a high priority 662 * intent filter for them. However, there is one, and only one exception -- the 663 * setup wizard. It must be able to define a high priority intent filter for these 664 * actions to ensure there are no escapes from the wizard. We need to delay processing 665 * of these during boot as we need to look at all of the system packages in order 666 * to know which component is the setup wizard. 667 */ 668 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 669 /** 670 * Whether or not processing protected filters should be deferred. 671 */ 672 private boolean mDeferProtectedFilters = true; 673 674 /** 675 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 676 */ 677 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 678 /** 679 * Whether or not system app permissions should be promoted from install to runtime. 680 */ 681 boolean mPromoteSystemApps; 682 683 @GuardedBy("mPackages") 684 final Settings mSettings; 685 686 /** 687 * Set of package names that are currently "frozen", which means active 688 * surgery is being done on the code/data for that package. The platform 689 * will refuse to launch frozen packages to avoid race conditions. 690 * 691 * @see PackageFreezer 692 */ 693 @GuardedBy("mPackages") 694 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 695 696 final ProtectedPackages mProtectedPackages; 697 698 boolean mFirstBoot; 699 700 // System configuration read by SystemConfig. 701 final int[] mGlobalGids; 702 final SparseArray<ArraySet<String>> mSystemPermissions; 703 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 704 705 // If mac_permissions.xml was found for seinfo labeling. 706 boolean mFoundPolicyFile; 707 708 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 709 710 public static final class SharedLibraryEntry { 711 public final String path; 712 public final String apk; 713 714 SharedLibraryEntry(String _path, String _apk) { 715 path = _path; 716 apk = _apk; 717 } 718 } 719 720 // Currently known shared libraries. 721 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 722 new ArrayMap<String, SharedLibraryEntry>(); 723 724 // All available activities, for your resolving pleasure. 725 final ActivityIntentResolver mActivities = 726 new ActivityIntentResolver(); 727 728 // All available receivers, for your resolving pleasure. 729 final ActivityIntentResolver mReceivers = 730 new ActivityIntentResolver(); 731 732 // All available services, for your resolving pleasure. 733 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 734 735 // All available providers, for your resolving pleasure. 736 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 737 738 // Mapping from provider base names (first directory in content URI codePath) 739 // to the provider information. 740 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 741 new ArrayMap<String, PackageParser.Provider>(); 742 743 // Mapping from instrumentation class names to info about them. 744 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 745 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 746 747 // Mapping from permission names to info about them. 748 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 749 new ArrayMap<String, PackageParser.PermissionGroup>(); 750 751 // Packages whose data we have transfered into another package, thus 752 // should no longer exist. 753 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 754 755 // Broadcast actions that are only available to the system. 756 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 757 758 /** List of packages waiting for verification. */ 759 final SparseArray<PackageVerificationState> mPendingVerification 760 = new SparseArray<PackageVerificationState>(); 761 762 /** Set of packages associated with each app op permission. */ 763 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 764 765 final PackageInstallerService mInstallerService; 766 767 private final PackageDexOptimizer mPackageDexOptimizer; 768 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 769 // is used by other apps). 770 private final DexManager mDexManager; 771 772 private AtomicInteger mNextMoveId = new AtomicInteger(); 773 private final MoveCallbacks mMoveCallbacks; 774 775 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 776 777 // Cache of users who need badging. 778 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 779 780 /** Token for keys in mPendingVerification. */ 781 private int mPendingVerificationToken = 0; 782 783 volatile boolean mSystemReady; 784 volatile boolean mSafeMode; 785 volatile boolean mHasSystemUidErrors; 786 787 ApplicationInfo mAndroidApplication; 788 final ActivityInfo mResolveActivity = new ActivityInfo(); 789 final ResolveInfo mResolveInfo = new ResolveInfo(); 790 ComponentName mResolveComponentName; 791 PackageParser.Package mPlatformPackage; 792 ComponentName mCustomResolverComponentName; 793 794 boolean mResolverReplaced = false; 795 796 private final @Nullable ComponentName mIntentFilterVerifierComponent; 797 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 798 799 private int mIntentFilterVerificationToken = 0; 800 801 /** The service connection to the ephemeral resolver */ 802 final EphemeralResolverConnection mEphemeralResolverConnection; 803 804 /** Component used to install ephemeral applications */ 805 ComponentName mEphemeralInstallerComponent; 806 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 807 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 808 809 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 810 = new SparseArray<IntentFilterVerificationState>(); 811 812 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 813 814 // List of packages names to keep cached, even if they are uninstalled for all users 815 private List<String> mKeepUninstalledPackages; 816 817 private UserManagerInternal mUserManagerInternal; 818 819 private File mCacheDir; 820 821 private static class IFVerificationParams { 822 PackageParser.Package pkg; 823 boolean replacing; 824 int userId; 825 int verifierUid; 826 827 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 828 int _userId, int _verifierUid) { 829 pkg = _pkg; 830 replacing = _replacing; 831 userId = _userId; 832 replacing = _replacing; 833 verifierUid = _verifierUid; 834 } 835 } 836 837 private interface IntentFilterVerifier<T extends IntentFilter> { 838 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 839 T filter, String packageName); 840 void startVerifications(int userId); 841 void receiveVerificationResponse(int verificationId); 842 } 843 844 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 845 private Context mContext; 846 private ComponentName mIntentFilterVerifierComponent; 847 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 848 849 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 850 mContext = context; 851 mIntentFilterVerifierComponent = verifierComponent; 852 } 853 854 private String getDefaultScheme() { 855 return IntentFilter.SCHEME_HTTPS; 856 } 857 858 @Override 859 public void startVerifications(int userId) { 860 // Launch verifications requests 861 int count = mCurrentIntentFilterVerifications.size(); 862 for (int n=0; n<count; n++) { 863 int verificationId = mCurrentIntentFilterVerifications.get(n); 864 final IntentFilterVerificationState ivs = 865 mIntentFilterVerificationStates.get(verificationId); 866 867 String packageName = ivs.getPackageName(); 868 869 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 870 final int filterCount = filters.size(); 871 ArraySet<String> domainsSet = new ArraySet<>(); 872 for (int m=0; m<filterCount; m++) { 873 PackageParser.ActivityIntentInfo filter = filters.get(m); 874 domainsSet.addAll(filter.getHostsList()); 875 } 876 synchronized (mPackages) { 877 if (mSettings.createIntentFilterVerificationIfNeededLPw( 878 packageName, domainsSet) != null) { 879 scheduleWriteSettingsLocked(); 880 } 881 } 882 sendVerificationRequest(userId, verificationId, ivs); 883 } 884 mCurrentIntentFilterVerifications.clear(); 885 } 886 887 private void sendVerificationRequest(int userId, int verificationId, 888 IntentFilterVerificationState ivs) { 889 890 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 891 verificationIntent.putExtra( 892 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 893 verificationId); 894 verificationIntent.putExtra( 895 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 896 getDefaultScheme()); 897 verificationIntent.putExtra( 898 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 899 ivs.getHostsString()); 900 verificationIntent.putExtra( 901 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 902 ivs.getPackageName()); 903 verificationIntent.setComponent(mIntentFilterVerifierComponent); 904 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 905 906 UserHandle user = new UserHandle(userId); 907 mContext.sendBroadcastAsUser(verificationIntent, user); 908 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 909 "Sending IntentFilter verification broadcast"); 910 } 911 912 public void receiveVerificationResponse(int verificationId) { 913 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 914 915 final boolean verified = ivs.isVerified(); 916 917 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 918 final int count = filters.size(); 919 if (DEBUG_DOMAIN_VERIFICATION) { 920 Slog.i(TAG, "Received verification response " + verificationId 921 + " for " + count + " filters, verified=" + verified); 922 } 923 for (int n=0; n<count; n++) { 924 PackageParser.ActivityIntentInfo filter = filters.get(n); 925 filter.setVerified(verified); 926 927 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 928 + " verified with result:" + verified + " and hosts:" 929 + ivs.getHostsString()); 930 } 931 932 mIntentFilterVerificationStates.remove(verificationId); 933 934 final String packageName = ivs.getPackageName(); 935 IntentFilterVerificationInfo ivi = null; 936 937 synchronized (mPackages) { 938 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 939 } 940 if (ivi == null) { 941 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 942 + verificationId + " packageName:" + packageName); 943 return; 944 } 945 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 946 "Updating IntentFilterVerificationInfo for package " + packageName 947 +" verificationId:" + verificationId); 948 949 synchronized (mPackages) { 950 if (verified) { 951 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 952 } else { 953 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 954 } 955 scheduleWriteSettingsLocked(); 956 957 final int userId = ivs.getUserId(); 958 if (userId != UserHandle.USER_ALL) { 959 final int userStatus = 960 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 961 962 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 963 boolean needUpdate = false; 964 965 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 966 // already been set by the User thru the Disambiguation dialog 967 switch (userStatus) { 968 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 969 if (verified) { 970 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 971 } else { 972 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 973 } 974 needUpdate = true; 975 break; 976 977 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 978 if (verified) { 979 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 980 needUpdate = true; 981 } 982 break; 983 984 default: 985 // Nothing to do 986 } 987 988 if (needUpdate) { 989 mSettings.updateIntentFilterVerificationStatusLPw( 990 packageName, updatedStatus, userId); 991 scheduleWritePackageRestrictionsLocked(userId); 992 } 993 } 994 } 995 } 996 997 @Override 998 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 999 ActivityIntentInfo filter, String packageName) { 1000 if (!hasValidDomains(filter)) { 1001 return false; 1002 } 1003 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1004 if (ivs == null) { 1005 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1006 packageName); 1007 } 1008 if (DEBUG_DOMAIN_VERIFICATION) { 1009 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1010 } 1011 ivs.addFilter(filter); 1012 return true; 1013 } 1014 1015 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1016 int userId, int verificationId, String packageName) { 1017 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1018 verifierUid, userId, packageName); 1019 ivs.setPendingState(); 1020 synchronized (mPackages) { 1021 mIntentFilterVerificationStates.append(verificationId, ivs); 1022 mCurrentIntentFilterVerifications.add(verificationId); 1023 } 1024 return ivs; 1025 } 1026 } 1027 1028 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1029 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1030 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1031 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1032 } 1033 1034 // Set of pending broadcasts for aggregating enable/disable of components. 1035 static class PendingPackageBroadcasts { 1036 // for each user id, a map of <package name -> components within that package> 1037 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1038 1039 public PendingPackageBroadcasts() { 1040 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1041 } 1042 1043 public ArrayList<String> get(int userId, String packageName) { 1044 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1045 return packages.get(packageName); 1046 } 1047 1048 public void put(int userId, String packageName, ArrayList<String> components) { 1049 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1050 packages.put(packageName, components); 1051 } 1052 1053 public void remove(int userId, String packageName) { 1054 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1055 if (packages != null) { 1056 packages.remove(packageName); 1057 } 1058 } 1059 1060 public void remove(int userId) { 1061 mUidMap.remove(userId); 1062 } 1063 1064 public int userIdCount() { 1065 return mUidMap.size(); 1066 } 1067 1068 public int userIdAt(int n) { 1069 return mUidMap.keyAt(n); 1070 } 1071 1072 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1073 return mUidMap.get(userId); 1074 } 1075 1076 public int size() { 1077 // total number of pending broadcast entries across all userIds 1078 int num = 0; 1079 for (int i = 0; i< mUidMap.size(); i++) { 1080 num += mUidMap.valueAt(i).size(); 1081 } 1082 return num; 1083 } 1084 1085 public void clear() { 1086 mUidMap.clear(); 1087 } 1088 1089 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1090 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1091 if (map == null) { 1092 map = new ArrayMap<String, ArrayList<String>>(); 1093 mUidMap.put(userId, map); 1094 } 1095 return map; 1096 } 1097 } 1098 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1099 1100 // Service Connection to remote media container service to copy 1101 // package uri's from external media onto secure containers 1102 // or internal storage. 1103 private IMediaContainerService mContainerService = null; 1104 1105 static final int SEND_PENDING_BROADCAST = 1; 1106 static final int MCS_BOUND = 3; 1107 static final int END_COPY = 4; 1108 static final int INIT_COPY = 5; 1109 static final int MCS_UNBIND = 6; 1110 static final int START_CLEANING_PACKAGE = 7; 1111 static final int FIND_INSTALL_LOC = 8; 1112 static final int POST_INSTALL = 9; 1113 static final int MCS_RECONNECT = 10; 1114 static final int MCS_GIVE_UP = 11; 1115 static final int UPDATED_MEDIA_STATUS = 12; 1116 static final int WRITE_SETTINGS = 13; 1117 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1118 static final int PACKAGE_VERIFIED = 15; 1119 static final int CHECK_PENDING_VERIFICATION = 16; 1120 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1121 static final int INTENT_FILTER_VERIFIED = 18; 1122 static final int WRITE_PACKAGE_LIST = 19; 1123 static final int EPHEMERAL_RESOLUTION_PHASE_TWO = 20; 1124 1125 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1126 1127 // Delay time in millisecs 1128 static final int BROADCAST_DELAY = 10 * 1000; 1129 1130 static UserManagerService sUserManager; 1131 1132 // Stores a list of users whose package restrictions file needs to be updated 1133 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1134 1135 final private DefaultContainerConnection mDefContainerConn = 1136 new DefaultContainerConnection(); 1137 class DefaultContainerConnection implements ServiceConnection { 1138 public void onServiceConnected(ComponentName name, IBinder service) { 1139 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1140 final IMediaContainerService imcs = IMediaContainerService.Stub 1141 .asInterface(Binder.allowBlocking(service)); 1142 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1143 } 1144 1145 public void onServiceDisconnected(ComponentName name) { 1146 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1147 } 1148 } 1149 1150 // Recordkeeping of restore-after-install operations that are currently in flight 1151 // between the Package Manager and the Backup Manager 1152 static class PostInstallData { 1153 public InstallArgs args; 1154 public PackageInstalledInfo res; 1155 1156 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1157 args = _a; 1158 res = _r; 1159 } 1160 } 1161 1162 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1163 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1164 1165 // XML tags for backup/restore of various bits of state 1166 private static final String TAG_PREFERRED_BACKUP = "pa"; 1167 private static final String TAG_DEFAULT_APPS = "da"; 1168 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1169 1170 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1171 private static final String TAG_ALL_GRANTS = "rt-grants"; 1172 private static final String TAG_GRANT = "grant"; 1173 private static final String ATTR_PACKAGE_NAME = "pkg"; 1174 1175 private static final String TAG_PERMISSION = "perm"; 1176 private static final String ATTR_PERMISSION_NAME = "name"; 1177 private static final String ATTR_IS_GRANTED = "g"; 1178 private static final String ATTR_USER_SET = "set"; 1179 private static final String ATTR_USER_FIXED = "fixed"; 1180 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1181 1182 // System/policy permission grants are not backed up 1183 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1184 FLAG_PERMISSION_POLICY_FIXED 1185 | FLAG_PERMISSION_SYSTEM_FIXED 1186 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1187 1188 // And we back up these user-adjusted states 1189 private static final int USER_RUNTIME_GRANT_MASK = 1190 FLAG_PERMISSION_USER_SET 1191 | FLAG_PERMISSION_USER_FIXED 1192 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1193 1194 final @Nullable String mRequiredVerifierPackage; 1195 final @NonNull String mRequiredInstallerPackage; 1196 final @NonNull String mRequiredUninstallerPackage; 1197 final @Nullable String mSetupWizardPackage; 1198 final @Nullable String mStorageManagerPackage; 1199 final @NonNull String mServicesSystemSharedLibraryPackageName; 1200 final @NonNull String mSharedSystemSharedLibraryPackageName; 1201 1202 final boolean mPermissionReviewRequired; 1203 1204 private final PackageUsage mPackageUsage = new PackageUsage(); 1205 private final CompilerStats mCompilerStats = new CompilerStats(); 1206 1207 class PackageHandler extends Handler { 1208 private boolean mBound = false; 1209 final ArrayList<HandlerParams> mPendingInstalls = 1210 new ArrayList<HandlerParams>(); 1211 1212 private boolean connectToService() { 1213 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1214 " DefaultContainerService"); 1215 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1216 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1217 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1218 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1219 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1220 mBound = true; 1221 return true; 1222 } 1223 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1224 return false; 1225 } 1226 1227 private void disconnectService() { 1228 mContainerService = null; 1229 mBound = false; 1230 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1231 mContext.unbindService(mDefContainerConn); 1232 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1233 } 1234 1235 PackageHandler(Looper looper) { 1236 super(looper); 1237 } 1238 1239 public void handleMessage(Message msg) { 1240 try { 1241 doHandleMessage(msg); 1242 } finally { 1243 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1244 } 1245 } 1246 1247 void doHandleMessage(Message msg) { 1248 switch (msg.what) { 1249 case INIT_COPY: { 1250 HandlerParams params = (HandlerParams) msg.obj; 1251 int idx = mPendingInstalls.size(); 1252 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1253 // If a bind was already initiated we dont really 1254 // need to do anything. The pending install 1255 // will be processed later on. 1256 if (!mBound) { 1257 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1258 System.identityHashCode(mHandler)); 1259 // If this is the only one pending we might 1260 // have to bind to the service again. 1261 if (!connectToService()) { 1262 Slog.e(TAG, "Failed to bind to media container service"); 1263 params.serviceError(); 1264 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1265 System.identityHashCode(mHandler)); 1266 if (params.traceMethod != null) { 1267 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1268 params.traceCookie); 1269 } 1270 return; 1271 } else { 1272 // Once we bind to the service, the first 1273 // pending request will be processed. 1274 mPendingInstalls.add(idx, params); 1275 } 1276 } else { 1277 mPendingInstalls.add(idx, params); 1278 // Already bound to the service. Just make 1279 // sure we trigger off processing the first request. 1280 if (idx == 0) { 1281 mHandler.sendEmptyMessage(MCS_BOUND); 1282 } 1283 } 1284 break; 1285 } 1286 case MCS_BOUND: { 1287 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1288 if (msg.obj != null) { 1289 mContainerService = (IMediaContainerService) msg.obj; 1290 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1291 System.identityHashCode(mHandler)); 1292 } 1293 if (mContainerService == null) { 1294 if (!mBound) { 1295 // Something seriously wrong since we are not bound and we are not 1296 // waiting for connection. Bail out. 1297 Slog.e(TAG, "Cannot bind to media container service"); 1298 for (HandlerParams params : mPendingInstalls) { 1299 // Indicate service bind error 1300 params.serviceError(); 1301 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1302 System.identityHashCode(params)); 1303 if (params.traceMethod != null) { 1304 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1305 params.traceMethod, params.traceCookie); 1306 } 1307 return; 1308 } 1309 mPendingInstalls.clear(); 1310 } else { 1311 Slog.w(TAG, "Waiting to connect to media container service"); 1312 } 1313 } else if (mPendingInstalls.size() > 0) { 1314 HandlerParams params = mPendingInstalls.get(0); 1315 if (params != null) { 1316 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1317 System.identityHashCode(params)); 1318 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1319 if (params.startCopy()) { 1320 // We are done... look for more work or to 1321 // go idle. 1322 if (DEBUG_SD_INSTALL) Log.i(TAG, 1323 "Checking for more work or unbind..."); 1324 // Delete pending install 1325 if (mPendingInstalls.size() > 0) { 1326 mPendingInstalls.remove(0); 1327 } 1328 if (mPendingInstalls.size() == 0) { 1329 if (mBound) { 1330 if (DEBUG_SD_INSTALL) Log.i(TAG, 1331 "Posting delayed MCS_UNBIND"); 1332 removeMessages(MCS_UNBIND); 1333 Message ubmsg = obtainMessage(MCS_UNBIND); 1334 // Unbind after a little delay, to avoid 1335 // continual thrashing. 1336 sendMessageDelayed(ubmsg, 10000); 1337 } 1338 } else { 1339 // There are more pending requests in queue. 1340 // Just post MCS_BOUND message to trigger processing 1341 // of next pending install. 1342 if (DEBUG_SD_INSTALL) Log.i(TAG, 1343 "Posting MCS_BOUND for next work"); 1344 mHandler.sendEmptyMessage(MCS_BOUND); 1345 } 1346 } 1347 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1348 } 1349 } else { 1350 // Should never happen ideally. 1351 Slog.w(TAG, "Empty queue"); 1352 } 1353 break; 1354 } 1355 case MCS_RECONNECT: { 1356 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1357 if (mPendingInstalls.size() > 0) { 1358 if (mBound) { 1359 disconnectService(); 1360 } 1361 if (!connectToService()) { 1362 Slog.e(TAG, "Failed to bind to media container service"); 1363 for (HandlerParams params : mPendingInstalls) { 1364 // Indicate service bind error 1365 params.serviceError(); 1366 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1367 System.identityHashCode(params)); 1368 } 1369 mPendingInstalls.clear(); 1370 } 1371 } 1372 break; 1373 } 1374 case MCS_UNBIND: { 1375 // If there is no actual work left, then time to unbind. 1376 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1377 1378 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1379 if (mBound) { 1380 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1381 1382 disconnectService(); 1383 } 1384 } else if (mPendingInstalls.size() > 0) { 1385 // There are more pending requests in queue. 1386 // Just post MCS_BOUND message to trigger processing 1387 // of next pending install. 1388 mHandler.sendEmptyMessage(MCS_BOUND); 1389 } 1390 1391 break; 1392 } 1393 case MCS_GIVE_UP: { 1394 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1395 HandlerParams params = mPendingInstalls.remove(0); 1396 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1397 System.identityHashCode(params)); 1398 break; 1399 } 1400 case SEND_PENDING_BROADCAST: { 1401 String packages[]; 1402 ArrayList<String> components[]; 1403 int size = 0; 1404 int uids[]; 1405 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1406 synchronized (mPackages) { 1407 if (mPendingBroadcasts == null) { 1408 return; 1409 } 1410 size = mPendingBroadcasts.size(); 1411 if (size <= 0) { 1412 // Nothing to be done. Just return 1413 return; 1414 } 1415 packages = new String[size]; 1416 components = new ArrayList[size]; 1417 uids = new int[size]; 1418 int i = 0; // filling out the above arrays 1419 1420 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1421 int packageUserId = mPendingBroadcasts.userIdAt(n); 1422 Iterator<Map.Entry<String, ArrayList<String>>> it 1423 = mPendingBroadcasts.packagesForUserId(packageUserId) 1424 .entrySet().iterator(); 1425 while (it.hasNext() && i < size) { 1426 Map.Entry<String, ArrayList<String>> ent = it.next(); 1427 packages[i] = ent.getKey(); 1428 components[i] = ent.getValue(); 1429 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1430 uids[i] = (ps != null) 1431 ? UserHandle.getUid(packageUserId, ps.appId) 1432 : -1; 1433 i++; 1434 } 1435 } 1436 size = i; 1437 mPendingBroadcasts.clear(); 1438 } 1439 // Send broadcasts 1440 for (int i = 0; i < size; i++) { 1441 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1442 } 1443 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1444 break; 1445 } 1446 case START_CLEANING_PACKAGE: { 1447 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1448 final String packageName = (String)msg.obj; 1449 final int userId = msg.arg1; 1450 final boolean andCode = msg.arg2 != 0; 1451 synchronized (mPackages) { 1452 if (userId == UserHandle.USER_ALL) { 1453 int[] users = sUserManager.getUserIds(); 1454 for (int user : users) { 1455 mSettings.addPackageToCleanLPw( 1456 new PackageCleanItem(user, packageName, andCode)); 1457 } 1458 } else { 1459 mSettings.addPackageToCleanLPw( 1460 new PackageCleanItem(userId, packageName, andCode)); 1461 } 1462 } 1463 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1464 startCleaningPackages(); 1465 } break; 1466 case POST_INSTALL: { 1467 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1468 1469 PostInstallData data = mRunningInstalls.get(msg.arg1); 1470 final boolean didRestore = (msg.arg2 != 0); 1471 mRunningInstalls.delete(msg.arg1); 1472 1473 if (data != null) { 1474 InstallArgs args = data.args; 1475 PackageInstalledInfo parentRes = data.res; 1476 1477 final boolean grantPermissions = (args.installFlags 1478 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1479 final boolean killApp = (args.installFlags 1480 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1481 final String[] grantedPermissions = args.installGrantPermissions; 1482 1483 // Handle the parent package 1484 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1485 grantedPermissions, didRestore, args.installerPackageName, 1486 args.observer); 1487 1488 // Handle the child packages 1489 final int childCount = (parentRes.addedChildPackages != null) 1490 ? parentRes.addedChildPackages.size() : 0; 1491 for (int i = 0; i < childCount; i++) { 1492 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1493 handlePackagePostInstall(childRes, grantPermissions, killApp, 1494 grantedPermissions, false, args.installerPackageName, 1495 args.observer); 1496 } 1497 1498 // Log tracing if needed 1499 if (args.traceMethod != null) { 1500 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1501 args.traceCookie); 1502 } 1503 } else { 1504 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1505 } 1506 1507 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1508 } break; 1509 case UPDATED_MEDIA_STATUS: { 1510 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1511 boolean reportStatus = msg.arg1 == 1; 1512 boolean doGc = msg.arg2 == 1; 1513 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1514 if (doGc) { 1515 // Force a gc to clear up stale containers. 1516 Runtime.getRuntime().gc(); 1517 } 1518 if (msg.obj != null) { 1519 @SuppressWarnings("unchecked") 1520 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1521 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1522 // Unload containers 1523 unloadAllContainers(args); 1524 } 1525 if (reportStatus) { 1526 try { 1527 if (DEBUG_SD_INSTALL) Log.i(TAG, 1528 "Invoking StorageManagerService call back"); 1529 PackageHelper.getStorageManager().finishMediaUpdate(); 1530 } catch (RemoteException e) { 1531 Log.e(TAG, "StorageManagerService not running?"); 1532 } 1533 } 1534 } break; 1535 case WRITE_SETTINGS: { 1536 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1537 synchronized (mPackages) { 1538 removeMessages(WRITE_SETTINGS); 1539 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1540 mSettings.writeLPr(); 1541 mDirtyUsers.clear(); 1542 } 1543 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1544 } break; 1545 case WRITE_PACKAGE_RESTRICTIONS: { 1546 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1547 synchronized (mPackages) { 1548 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1549 for (int userId : mDirtyUsers) { 1550 mSettings.writePackageRestrictionsLPr(userId); 1551 } 1552 mDirtyUsers.clear(); 1553 } 1554 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1555 } break; 1556 case WRITE_PACKAGE_LIST: { 1557 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1558 synchronized (mPackages) { 1559 removeMessages(WRITE_PACKAGE_LIST); 1560 mSettings.writePackageListLPr(msg.arg1); 1561 } 1562 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1563 } break; 1564 case CHECK_PENDING_VERIFICATION: { 1565 final int verificationId = msg.arg1; 1566 final PackageVerificationState state = mPendingVerification.get(verificationId); 1567 1568 if ((state != null) && !state.timeoutExtended()) { 1569 final InstallArgs args = state.getInstallArgs(); 1570 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1571 1572 Slog.i(TAG, "Verification timed out for " + originUri); 1573 mPendingVerification.remove(verificationId); 1574 1575 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1576 1577 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1578 Slog.i(TAG, "Continuing with installation of " + originUri); 1579 state.setVerifierResponse(Binder.getCallingUid(), 1580 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1581 broadcastPackageVerified(verificationId, originUri, 1582 PackageManager.VERIFICATION_ALLOW, 1583 state.getInstallArgs().getUser()); 1584 try { 1585 ret = args.copyApk(mContainerService, true); 1586 } catch (RemoteException e) { 1587 Slog.e(TAG, "Could not contact the ContainerService"); 1588 } 1589 } else { 1590 broadcastPackageVerified(verificationId, originUri, 1591 PackageManager.VERIFICATION_REJECT, 1592 state.getInstallArgs().getUser()); 1593 } 1594 1595 Trace.asyncTraceEnd( 1596 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1597 1598 processPendingInstall(args, ret); 1599 mHandler.sendEmptyMessage(MCS_UNBIND); 1600 } 1601 break; 1602 } 1603 case PACKAGE_VERIFIED: { 1604 final int verificationId = msg.arg1; 1605 1606 final PackageVerificationState state = mPendingVerification.get(verificationId); 1607 if (state == null) { 1608 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1609 break; 1610 } 1611 1612 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1613 1614 state.setVerifierResponse(response.callerUid, response.code); 1615 1616 if (state.isVerificationComplete()) { 1617 mPendingVerification.remove(verificationId); 1618 1619 final InstallArgs args = state.getInstallArgs(); 1620 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1621 1622 int ret; 1623 if (state.isInstallAllowed()) { 1624 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1625 broadcastPackageVerified(verificationId, originUri, 1626 response.code, state.getInstallArgs().getUser()); 1627 try { 1628 ret = args.copyApk(mContainerService, true); 1629 } catch (RemoteException e) { 1630 Slog.e(TAG, "Could not contact the ContainerService"); 1631 } 1632 } else { 1633 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1634 } 1635 1636 Trace.asyncTraceEnd( 1637 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1638 1639 processPendingInstall(args, ret); 1640 mHandler.sendEmptyMessage(MCS_UNBIND); 1641 } 1642 1643 break; 1644 } 1645 case START_INTENT_FILTER_VERIFICATIONS: { 1646 IFVerificationParams params = (IFVerificationParams) msg.obj; 1647 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1648 params.replacing, params.pkg); 1649 break; 1650 } 1651 case INTENT_FILTER_VERIFIED: { 1652 final int verificationId = msg.arg1; 1653 1654 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1655 verificationId); 1656 if (state == null) { 1657 Slog.w(TAG, "Invalid IntentFilter verification token " 1658 + verificationId + " received"); 1659 break; 1660 } 1661 1662 final int userId = state.getUserId(); 1663 1664 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1665 "Processing IntentFilter verification with token:" 1666 + verificationId + " and userId:" + userId); 1667 1668 final IntentFilterVerificationResponse response = 1669 (IntentFilterVerificationResponse) msg.obj; 1670 1671 state.setVerifierResponse(response.callerUid, response.code); 1672 1673 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1674 "IntentFilter verification with token:" + verificationId 1675 + " and userId:" + userId 1676 + " is settings verifier response with response code:" 1677 + response.code); 1678 1679 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1680 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1681 + response.getFailedDomainsString()); 1682 } 1683 1684 if (state.isVerificationComplete()) { 1685 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1686 } else { 1687 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1688 "IntentFilter verification with token:" + verificationId 1689 + " was not said to be complete"); 1690 } 1691 1692 break; 1693 } 1694 case EPHEMERAL_RESOLUTION_PHASE_TWO: { 1695 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1696 mEphemeralResolverConnection, 1697 (EphemeralRequest) msg.obj, 1698 mEphemeralInstallerActivity, 1699 mHandler); 1700 } 1701 } 1702 } 1703 } 1704 1705 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1706 boolean killApp, String[] grantedPermissions, 1707 boolean launchedForRestore, String installerPackage, 1708 IPackageInstallObserver2 installObserver) { 1709 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1710 // Send the removed broadcasts 1711 if (res.removedInfo != null) { 1712 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1713 } 1714 1715 // Now that we successfully installed the package, grant runtime 1716 // permissions if requested before broadcasting the install. 1717 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1718 >= Build.VERSION_CODES.M) { 1719 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1720 } 1721 1722 final boolean update = res.removedInfo != null 1723 && res.removedInfo.removedPackage != null; 1724 1725 // If this is the first time we have child packages for a disabled privileged 1726 // app that had no children, we grant requested runtime permissions to the new 1727 // children if the parent on the system image had them already granted. 1728 if (res.pkg.parentPackage != null) { 1729 synchronized (mPackages) { 1730 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1731 } 1732 } 1733 1734 synchronized (mPackages) { 1735 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1736 } 1737 1738 final String packageName = res.pkg.applicationInfo.packageName; 1739 1740 // Determine the set of users who are adding this package for 1741 // the first time vs. those who are seeing an update. 1742 int[] firstUsers = EMPTY_INT_ARRAY; 1743 int[] updateUsers = EMPTY_INT_ARRAY; 1744 if (res.origUsers == null || res.origUsers.length == 0) { 1745 firstUsers = res.newUsers; 1746 } else { 1747 for (int newUser : res.newUsers) { 1748 boolean isNew = true; 1749 for (int origUser : res.origUsers) { 1750 if (origUser == newUser) { 1751 isNew = false; 1752 break; 1753 } 1754 } 1755 if (isNew) { 1756 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1757 } else { 1758 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1759 } 1760 } 1761 } 1762 1763 // Send installed broadcasts if the install/update is not ephemeral 1764 if (!isEphemeral(res.pkg)) { 1765 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1766 1767 // Send added for users that see the package for the first time 1768 // sendPackageAddedForNewUsers also deals with system apps 1769 int appId = UserHandle.getAppId(res.uid); 1770 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1771 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1772 1773 // Send added for users that don't see the package for the first time 1774 Bundle extras = new Bundle(1); 1775 extras.putInt(Intent.EXTRA_UID, res.uid); 1776 if (update) { 1777 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1778 } 1779 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1780 extras, 0 /*flags*/, null /*targetPackage*/, 1781 null /*finishedReceiver*/, updateUsers); 1782 1783 // Send replaced for users that don't see the package for the first time 1784 if (update) { 1785 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1786 packageName, extras, 0 /*flags*/, 1787 null /*targetPackage*/, null /*finishedReceiver*/, 1788 updateUsers); 1789 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1790 null /*package*/, null /*extras*/, 0 /*flags*/, 1791 packageName /*targetPackage*/, 1792 null /*finishedReceiver*/, updateUsers); 1793 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1794 // First-install and we did a restore, so we're responsible for the 1795 // first-launch broadcast. 1796 if (DEBUG_BACKUP) { 1797 Slog.i(TAG, "Post-restore of " + packageName 1798 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1799 } 1800 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1801 } 1802 1803 // Send broadcast package appeared if forward locked/external for all users 1804 // treat asec-hosted packages like removable media on upgrade 1805 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1806 if (DEBUG_INSTALL) { 1807 Slog.i(TAG, "upgrading pkg " + res.pkg 1808 + " is ASEC-hosted -> AVAILABLE"); 1809 } 1810 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1811 ArrayList<String> pkgList = new ArrayList<>(1); 1812 pkgList.add(packageName); 1813 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1814 } 1815 } 1816 1817 // Work that needs to happen on first install within each user 1818 if (firstUsers != null && firstUsers.length > 0) { 1819 synchronized (mPackages) { 1820 for (int userId : firstUsers) { 1821 // If this app is a browser and it's newly-installed for some 1822 // users, clear any default-browser state in those users. The 1823 // app's nature doesn't depend on the user, so we can just check 1824 // its browser nature in any user and generalize. 1825 if (packageIsBrowser(packageName, userId)) { 1826 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1827 } 1828 1829 // We may also need to apply pending (restored) runtime 1830 // permission grants within these users. 1831 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1832 } 1833 } 1834 } 1835 1836 // Log current value of "unknown sources" setting 1837 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1838 getUnknownSourcesSettings()); 1839 1840 // Force a gc to clear up things 1841 Runtime.getRuntime().gc(); 1842 1843 // Remove the replaced package's older resources safely now 1844 // We delete after a gc for applications on sdcard. 1845 if (res.removedInfo != null && res.removedInfo.args != null) { 1846 synchronized (mInstallLock) { 1847 res.removedInfo.args.doPostDeleteLI(true); 1848 } 1849 } 1850 } 1851 1852 // If someone is watching installs - notify them 1853 if (installObserver != null) { 1854 try { 1855 Bundle extras = extrasForInstallResult(res); 1856 installObserver.onPackageInstalled(res.name, res.returnCode, 1857 res.returnMsg, extras); 1858 } catch (RemoteException e) { 1859 Slog.i(TAG, "Observer no longer exists."); 1860 } 1861 } 1862 } 1863 1864 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1865 PackageParser.Package pkg) { 1866 if (pkg.parentPackage == null) { 1867 return; 1868 } 1869 if (pkg.requestedPermissions == null) { 1870 return; 1871 } 1872 final PackageSetting disabledSysParentPs = mSettings 1873 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1874 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1875 || !disabledSysParentPs.isPrivileged() 1876 || (disabledSysParentPs.childPackageNames != null 1877 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1878 return; 1879 } 1880 final int[] allUserIds = sUserManager.getUserIds(); 1881 final int permCount = pkg.requestedPermissions.size(); 1882 for (int i = 0; i < permCount; i++) { 1883 String permission = pkg.requestedPermissions.get(i); 1884 BasePermission bp = mSettings.mPermissions.get(permission); 1885 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1886 continue; 1887 } 1888 for (int userId : allUserIds) { 1889 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1890 permission, userId)) { 1891 grantRuntimePermission(pkg.packageName, permission, userId); 1892 } 1893 } 1894 } 1895 } 1896 1897 private StorageEventListener mStorageListener = new StorageEventListener() { 1898 @Override 1899 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1900 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1901 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1902 final String volumeUuid = vol.getFsUuid(); 1903 1904 // Clean up any users or apps that were removed or recreated 1905 // while this volume was missing 1906 reconcileUsers(volumeUuid); 1907 reconcileApps(volumeUuid); 1908 1909 // Clean up any install sessions that expired or were 1910 // cancelled while this volume was missing 1911 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1912 1913 loadPrivatePackages(vol); 1914 1915 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1916 unloadPrivatePackages(vol); 1917 } 1918 } 1919 1920 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1921 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1922 updateExternalMediaStatus(true, false); 1923 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1924 updateExternalMediaStatus(false, false); 1925 } 1926 } 1927 } 1928 1929 @Override 1930 public void onVolumeForgotten(String fsUuid) { 1931 if (TextUtils.isEmpty(fsUuid)) { 1932 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1933 return; 1934 } 1935 1936 // Remove any apps installed on the forgotten volume 1937 synchronized (mPackages) { 1938 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1939 for (PackageSetting ps : packages) { 1940 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1941 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1942 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1943 1944 // Try very hard to release any references to this package 1945 // so we don't risk the system server being killed due to 1946 // open FDs 1947 AttributeCache.instance().removePackage(ps.name); 1948 } 1949 1950 mSettings.onVolumeForgotten(fsUuid); 1951 mSettings.writeLPr(); 1952 } 1953 } 1954 }; 1955 1956 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1957 String[] grantedPermissions) { 1958 for (int userId : userIds) { 1959 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1960 } 1961 1962 // We could have touched GID membership, so flush out packages.list 1963 synchronized (mPackages) { 1964 mSettings.writePackageListLPr(); 1965 } 1966 } 1967 1968 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1969 String[] grantedPermissions) { 1970 SettingBase sb = (SettingBase) pkg.mExtras; 1971 if (sb == null) { 1972 return; 1973 } 1974 1975 PermissionsState permissionsState = sb.getPermissionsState(); 1976 1977 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1978 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1979 1980 for (String permission : pkg.requestedPermissions) { 1981 final BasePermission bp; 1982 synchronized (mPackages) { 1983 bp = mSettings.mPermissions.get(permission); 1984 } 1985 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1986 && (grantedPermissions == null 1987 || ArrayUtils.contains(grantedPermissions, permission))) { 1988 final int flags = permissionsState.getPermissionFlags(permission, userId); 1989 // Installer cannot change immutable permissions. 1990 if ((flags & immutableFlags) == 0) { 1991 grantRuntimePermission(pkg.packageName, permission, userId); 1992 } 1993 } 1994 } 1995 } 1996 1997 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1998 Bundle extras = null; 1999 switch (res.returnCode) { 2000 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2001 extras = new Bundle(); 2002 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2003 res.origPermission); 2004 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2005 res.origPackage); 2006 break; 2007 } 2008 case PackageManager.INSTALL_SUCCEEDED: { 2009 extras = new Bundle(); 2010 extras.putBoolean(Intent.EXTRA_REPLACING, 2011 res.removedInfo != null && res.removedInfo.removedPackage != null); 2012 break; 2013 } 2014 } 2015 return extras; 2016 } 2017 2018 void scheduleWriteSettingsLocked() { 2019 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2020 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2021 } 2022 } 2023 2024 void scheduleWritePackageListLocked(int userId) { 2025 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2026 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2027 msg.arg1 = userId; 2028 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2029 } 2030 } 2031 2032 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2033 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2034 scheduleWritePackageRestrictionsLocked(userId); 2035 } 2036 2037 void scheduleWritePackageRestrictionsLocked(int userId) { 2038 final int[] userIds = (userId == UserHandle.USER_ALL) 2039 ? sUserManager.getUserIds() : new int[]{userId}; 2040 for (int nextUserId : userIds) { 2041 if (!sUserManager.exists(nextUserId)) return; 2042 mDirtyUsers.add(nextUserId); 2043 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2044 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2045 } 2046 } 2047 } 2048 2049 public static PackageManagerService main(Context context, Installer installer, 2050 boolean factoryTest, boolean onlyCore) { 2051 // Self-check for initial settings. 2052 PackageManagerServiceCompilerMapping.checkProperties(); 2053 2054 PackageManagerService m = new PackageManagerService(context, installer, 2055 factoryTest, onlyCore); 2056 m.enableSystemUserPackages(); 2057 ServiceManager.addService("package", m); 2058 return m; 2059 } 2060 2061 private void enableSystemUserPackages() { 2062 if (!UserManager.isSplitSystemUser()) { 2063 return; 2064 } 2065 // For system user, enable apps based on the following conditions: 2066 // - app is whitelisted or belong to one of these groups: 2067 // -- system app which has no launcher icons 2068 // -- system app which has INTERACT_ACROSS_USERS permission 2069 // -- system IME app 2070 // - app is not in the blacklist 2071 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2072 Set<String> enableApps = new ArraySet<>(); 2073 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2074 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2075 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2076 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2077 enableApps.addAll(wlApps); 2078 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2079 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2080 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2081 enableApps.removeAll(blApps); 2082 Log.i(TAG, "Applications installed for system user: " + enableApps); 2083 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2084 UserHandle.SYSTEM); 2085 final int allAppsSize = allAps.size(); 2086 synchronized (mPackages) { 2087 for (int i = 0; i < allAppsSize; i++) { 2088 String pName = allAps.get(i); 2089 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2090 // Should not happen, but we shouldn't be failing if it does 2091 if (pkgSetting == null) { 2092 continue; 2093 } 2094 boolean install = enableApps.contains(pName); 2095 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2096 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2097 + " for system user"); 2098 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2099 } 2100 } 2101 } 2102 } 2103 2104 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2105 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2106 Context.DISPLAY_SERVICE); 2107 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2108 } 2109 2110 /** 2111 * Requests that files preopted on a secondary system partition be copied to the data partition 2112 * if possible. Note that the actual copying of the files is accomplished by init for security 2113 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2114 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2115 */ 2116 private static void requestCopyPreoptedFiles() { 2117 final int WAIT_TIME_MS = 100; 2118 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2119 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2120 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2121 // We will wait for up to 100 seconds. 2122 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2123 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2124 try { 2125 Thread.sleep(WAIT_TIME_MS); 2126 } catch (InterruptedException e) { 2127 // Do nothing 2128 } 2129 if (SystemClock.uptimeMillis() > timeEnd) { 2130 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2131 Slog.wtf(TAG, "cppreopt did not finish!"); 2132 break; 2133 } 2134 } 2135 } 2136 } 2137 2138 public PackageManagerService(Context context, Installer installer, 2139 boolean factoryTest, boolean onlyCore) { 2140 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2141 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2142 SystemClock.uptimeMillis()); 2143 2144 if (mSdkVersion <= 0) { 2145 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2146 } 2147 2148 mContext = context; 2149 2150 mPermissionReviewRequired = context.getResources().getBoolean( 2151 R.bool.config_permissionReviewRequired); 2152 2153 mFactoryTest = factoryTest; 2154 mOnlyCore = onlyCore; 2155 mMetrics = new DisplayMetrics(); 2156 mSettings = new Settings(mPackages); 2157 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2158 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2159 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2160 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2161 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2162 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2163 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2164 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2165 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2166 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2167 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2168 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2169 2170 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2171 if (separateProcesses != null && separateProcesses.length() > 0) { 2172 if ("*".equals(separateProcesses)) { 2173 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2174 mSeparateProcesses = null; 2175 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2176 } else { 2177 mDefParseFlags = 0; 2178 mSeparateProcesses = separateProcesses.split(","); 2179 Slog.w(TAG, "Running with debug.separate_processes: " 2180 + separateProcesses); 2181 } 2182 } else { 2183 mDefParseFlags = 0; 2184 mSeparateProcesses = null; 2185 } 2186 2187 mInstaller = installer; 2188 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2189 "*dexopt*"); 2190 mDexManager = new DexManager(); 2191 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2192 2193 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2194 FgThread.get().getLooper()); 2195 2196 getDefaultDisplayMetrics(context, mMetrics); 2197 2198 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2199 SystemConfig systemConfig = SystemConfig.getInstance(); 2200 mGlobalGids = systemConfig.getGlobalGids(); 2201 mSystemPermissions = systemConfig.getSystemPermissions(); 2202 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2203 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2204 2205 mProtectedPackages = new ProtectedPackages(mContext); 2206 2207 synchronized (mInstallLock) { 2208 // writer 2209 synchronized (mPackages) { 2210 mHandlerThread = new ServiceThread(TAG, 2211 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2212 mHandlerThread.start(); 2213 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2214 mProcessLoggingHandler = new ProcessLoggingHandler(); 2215 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2216 2217 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2218 2219 File dataDir = Environment.getDataDirectory(); 2220 mAppInstallDir = new File(dataDir, "app"); 2221 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2222 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2223 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2224 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2225 2226 sUserManager = new UserManagerService(context, this, mPackages); 2227 2228 // Propagate permission configuration in to package manager. 2229 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2230 = systemConfig.getPermissions(); 2231 for (int i=0; i<permConfig.size(); i++) { 2232 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2233 BasePermission bp = mSettings.mPermissions.get(perm.name); 2234 if (bp == null) { 2235 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2236 mSettings.mPermissions.put(perm.name, bp); 2237 } 2238 if (perm.gids != null) { 2239 bp.setGids(perm.gids, perm.perUser); 2240 } 2241 } 2242 2243 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2244 for (int i=0; i<libConfig.size(); i++) { 2245 mSharedLibraries.put(libConfig.keyAt(i), 2246 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2247 } 2248 2249 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2250 2251 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2252 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2253 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2254 2255 // Clean up orphaned packages for which the code path doesn't exist 2256 // and they are an update to a system app - caused by bug/32321269 2257 final int packageSettingCount = mSettings.mPackages.size(); 2258 for (int i = packageSettingCount - 1; i >= 0; i--) { 2259 PackageSetting ps = mSettings.mPackages.valueAt(i); 2260 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2261 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2262 mSettings.mPackages.removeAt(i); 2263 mSettings.enableSystemPackageLPw(ps.name); 2264 } 2265 } 2266 2267 if (mFirstBoot) { 2268 requestCopyPreoptedFiles(); 2269 } 2270 2271 String customResolverActivity = Resources.getSystem().getString( 2272 R.string.config_customResolverActivity); 2273 if (TextUtils.isEmpty(customResolverActivity)) { 2274 customResolverActivity = null; 2275 } else { 2276 mCustomResolverComponentName = ComponentName.unflattenFromString( 2277 customResolverActivity); 2278 } 2279 2280 long startTime = SystemClock.uptimeMillis(); 2281 2282 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2283 startTime); 2284 2285 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2286 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2287 2288 if (bootClassPath == null) { 2289 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2290 } 2291 2292 if (systemServerClassPath == null) { 2293 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2294 } 2295 2296 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2297 final String[] dexCodeInstructionSets = 2298 getDexCodeInstructionSets( 2299 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2300 2301 /** 2302 * Ensure all external libraries have had dexopt run on them. 2303 */ 2304 if (mSharedLibraries.size() > 0) { 2305 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2306 // NOTE: For now, we're compiling these system "shared libraries" 2307 // (and framework jars) into all available architectures. It's possible 2308 // to compile them only when we come across an app that uses them (there's 2309 // already logic for that in scanPackageLI) but that adds some complexity. 2310 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2311 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2312 final String lib = libEntry.path; 2313 if (lib == null) { 2314 continue; 2315 } 2316 2317 try { 2318 // Shared libraries do not have profiles so we perform a full 2319 // AOT compilation (if needed). 2320 int dexoptNeeded = DexFile.getDexOptNeeded( 2321 lib, dexCodeInstructionSet, 2322 getCompilerFilterForReason(REASON_SHARED_APK), 2323 false /* newProfile */); 2324 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2325 mInstaller.dexopt(lib, Process.SYSTEM_UID, "*", 2326 dexCodeInstructionSet, dexoptNeeded, null, 2327 DEXOPT_PUBLIC, 2328 getCompilerFilterForReason(REASON_SHARED_APK), 2329 StorageManager.UUID_PRIVATE_INTERNAL, 2330 SKIP_SHARED_LIBRARY_CHECK); 2331 } 2332 } catch (FileNotFoundException e) { 2333 Slog.w(TAG, "Library not found: " + lib); 2334 } catch (IOException | InstallerException e) { 2335 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2336 + e.getMessage()); 2337 } 2338 } 2339 } 2340 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2341 } 2342 2343 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2344 2345 final VersionInfo ver = mSettings.getInternalVersion(); 2346 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2347 2348 // when upgrading from pre-M, promote system app permissions from install to runtime 2349 mPromoteSystemApps = 2350 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2351 2352 // When upgrading from pre-N, we need to handle package extraction like first boot, 2353 // as there is no profiling data available. 2354 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2355 2356 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2357 2358 // save off the names of pre-existing system packages prior to scanning; we don't 2359 // want to automatically grant runtime permissions for new system apps 2360 if (mPromoteSystemApps) { 2361 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2362 while (pkgSettingIter.hasNext()) { 2363 PackageSetting ps = pkgSettingIter.next(); 2364 if (isSystemApp(ps)) { 2365 mExistingSystemPackages.add(ps.name); 2366 } 2367 } 2368 } 2369 2370 mCacheDir = preparePackageParserCache(mIsUpgrade); 2371 2372 // Set flag to monitor and not change apk file paths when 2373 // scanning install directories. 2374 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2375 2376 if (mIsUpgrade || mFirstBoot) { 2377 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2378 } 2379 2380 // Collect vendor overlay packages. (Do this before scanning any apps.) 2381 // For security and version matching reason, only consider 2382 // overlay packages if they reside in the right directory. 2383 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2384 if (overlayThemeDir.isEmpty()) { 2385 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2386 } 2387 if (!overlayThemeDir.isEmpty()) { 2388 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2389 | PackageParser.PARSE_IS_SYSTEM 2390 | PackageParser.PARSE_IS_SYSTEM_DIR 2391 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2392 } 2393 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2394 | PackageParser.PARSE_IS_SYSTEM 2395 | PackageParser.PARSE_IS_SYSTEM_DIR 2396 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2397 2398 // Find base frameworks (resource packages without code). 2399 scanDirTracedLI(frameworkDir, mDefParseFlags 2400 | PackageParser.PARSE_IS_SYSTEM 2401 | PackageParser.PARSE_IS_SYSTEM_DIR 2402 | PackageParser.PARSE_IS_PRIVILEGED, 2403 scanFlags | SCAN_NO_DEX, 0); 2404 2405 // Collected privileged system packages. 2406 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2407 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2408 | PackageParser.PARSE_IS_SYSTEM 2409 | PackageParser.PARSE_IS_SYSTEM_DIR 2410 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2411 2412 // Collect ordinary system packages. 2413 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2414 scanDirTracedLI(systemAppDir, mDefParseFlags 2415 | PackageParser.PARSE_IS_SYSTEM 2416 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2417 2418 // Collect all vendor packages. 2419 File vendorAppDir = new File("/vendor/app"); 2420 try { 2421 vendorAppDir = vendorAppDir.getCanonicalFile(); 2422 } catch (IOException e) { 2423 // failed to look up canonical path, continue with original one 2424 } 2425 scanDirTracedLI(vendorAppDir, mDefParseFlags 2426 | PackageParser.PARSE_IS_SYSTEM 2427 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2428 2429 // Collect all OEM packages. 2430 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2431 scanDirTracedLI(oemAppDir, mDefParseFlags 2432 | PackageParser.PARSE_IS_SYSTEM 2433 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2434 2435 // Prune any system packages that no longer exist. 2436 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2437 if (!mOnlyCore) { 2438 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2439 while (psit.hasNext()) { 2440 PackageSetting ps = psit.next(); 2441 2442 /* 2443 * If this is not a system app, it can't be a 2444 * disable system app. 2445 */ 2446 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2447 continue; 2448 } 2449 2450 /* 2451 * If the package is scanned, it's not erased. 2452 */ 2453 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2454 if (scannedPkg != null) { 2455 /* 2456 * If the system app is both scanned and in the 2457 * disabled packages list, then it must have been 2458 * added via OTA. Remove it from the currently 2459 * scanned package so the previously user-installed 2460 * application can be scanned. 2461 */ 2462 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2463 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2464 + ps.name + "; removing system app. Last known codePath=" 2465 + ps.codePathString + ", installStatus=" + ps.installStatus 2466 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2467 + scannedPkg.mVersionCode); 2468 removePackageLI(scannedPkg, true); 2469 mExpectingBetter.put(ps.name, ps.codePath); 2470 } 2471 2472 continue; 2473 } 2474 2475 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2476 psit.remove(); 2477 logCriticalInfo(Log.WARN, "System package " + ps.name 2478 + " no longer exists; it's data will be wiped"); 2479 // Actual deletion of code and data will be handled by later 2480 // reconciliation step 2481 } else { 2482 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2483 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2484 possiblyDeletedUpdatedSystemApps.add(ps.name); 2485 } 2486 } 2487 } 2488 } 2489 2490 //look for any incomplete package installations 2491 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2492 for (int i = 0; i < deletePkgsList.size(); i++) { 2493 // Actual deletion of code and data will be handled by later 2494 // reconciliation step 2495 final String packageName = deletePkgsList.get(i).name; 2496 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2497 synchronized (mPackages) { 2498 mSettings.removePackageLPw(packageName); 2499 } 2500 } 2501 2502 //delete tmp files 2503 deleteTempPackageFiles(); 2504 2505 // Remove any shared userIDs that have no associated packages 2506 mSettings.pruneSharedUsersLPw(); 2507 2508 if (!mOnlyCore) { 2509 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2510 SystemClock.uptimeMillis()); 2511 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2512 2513 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2514 | PackageParser.PARSE_FORWARD_LOCK, 2515 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2516 2517 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2518 | PackageParser.PARSE_IS_EPHEMERAL, 2519 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2520 2521 /** 2522 * Remove disable package settings for any updated system 2523 * apps that were removed via an OTA. If they're not a 2524 * previously-updated app, remove them completely. 2525 * Otherwise, just revoke their system-level permissions. 2526 */ 2527 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2528 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2529 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2530 2531 String msg; 2532 if (deletedPkg == null) { 2533 msg = "Updated system package " + deletedAppName 2534 + " no longer exists; it's data will be wiped"; 2535 // Actual deletion of code and data will be handled by later 2536 // reconciliation step 2537 } else { 2538 msg = "Updated system app + " + deletedAppName 2539 + " no longer present; removing system privileges for " 2540 + deletedAppName; 2541 2542 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2543 2544 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2545 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2546 } 2547 logCriticalInfo(Log.WARN, msg); 2548 } 2549 2550 /** 2551 * Make sure all system apps that we expected to appear on 2552 * the userdata partition actually showed up. If they never 2553 * appeared, crawl back and revive the system version. 2554 */ 2555 for (int i = 0; i < mExpectingBetter.size(); i++) { 2556 final String packageName = mExpectingBetter.keyAt(i); 2557 if (!mPackages.containsKey(packageName)) { 2558 final File scanFile = mExpectingBetter.valueAt(i); 2559 2560 logCriticalInfo(Log.WARN, "Expected better " + packageName 2561 + " but never showed up; reverting to system"); 2562 2563 int reparseFlags = mDefParseFlags; 2564 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2565 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2566 | PackageParser.PARSE_IS_SYSTEM_DIR 2567 | PackageParser.PARSE_IS_PRIVILEGED; 2568 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2569 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2570 | PackageParser.PARSE_IS_SYSTEM_DIR; 2571 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2572 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2573 | PackageParser.PARSE_IS_SYSTEM_DIR; 2574 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2575 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2576 | PackageParser.PARSE_IS_SYSTEM_DIR; 2577 } else { 2578 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2579 continue; 2580 } 2581 2582 mSettings.enableSystemPackageLPw(packageName); 2583 2584 try { 2585 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2586 } catch (PackageManagerException e) { 2587 Slog.e(TAG, "Failed to parse original system package: " 2588 + e.getMessage()); 2589 } 2590 } 2591 } 2592 } 2593 mExpectingBetter.clear(); 2594 2595 // Resolve the storage manager. 2596 mStorageManagerPackage = getStorageManagerPackageName(); 2597 2598 // Resolve protected action filters. Only the setup wizard is allowed to 2599 // have a high priority filter for these actions. 2600 mSetupWizardPackage = getSetupWizardPackageName(); 2601 if (mProtectedFilters.size() > 0) { 2602 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2603 Slog.i(TAG, "No setup wizard;" 2604 + " All protected intents capped to priority 0"); 2605 } 2606 for (ActivityIntentInfo filter : mProtectedFilters) { 2607 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2608 if (DEBUG_FILTERS) { 2609 Slog.i(TAG, "Found setup wizard;" 2610 + " allow priority " + filter.getPriority() + ";" 2611 + " package: " + filter.activity.info.packageName 2612 + " activity: " + filter.activity.className 2613 + " priority: " + filter.getPriority()); 2614 } 2615 // skip setup wizard; allow it to keep the high priority filter 2616 continue; 2617 } 2618 Slog.w(TAG, "Protected action; cap priority to 0;" 2619 + " package: " + filter.activity.info.packageName 2620 + " activity: " + filter.activity.className 2621 + " origPrio: " + filter.getPriority()); 2622 filter.setPriority(0); 2623 } 2624 } 2625 mDeferProtectedFilters = false; 2626 mProtectedFilters.clear(); 2627 2628 // Now that we know all of the shared libraries, update all clients to have 2629 // the correct library paths. 2630 updateAllSharedLibrariesLPw(); 2631 2632 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2633 // NOTE: We ignore potential failures here during a system scan (like 2634 // the rest of the commands above) because there's precious little we 2635 // can do about it. A settings error is reported, though. 2636 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2637 } 2638 2639 // Now that we know all the packages we are keeping, 2640 // read and update their last usage times. 2641 mPackageUsage.read(mPackages); 2642 mCompilerStats.read(); 2643 2644 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2645 SystemClock.uptimeMillis()); 2646 Slog.i(TAG, "Time to scan packages: " 2647 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2648 + " seconds"); 2649 2650 // If the platform SDK has changed since the last time we booted, 2651 // we need to re-grant app permission to catch any new ones that 2652 // appear. This is really a hack, and means that apps can in some 2653 // cases get permissions that the user didn't initially explicitly 2654 // allow... it would be nice to have some better way to handle 2655 // this situation. 2656 int updateFlags = UPDATE_PERMISSIONS_ALL; 2657 if (ver.sdkVersion != mSdkVersion) { 2658 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2659 + mSdkVersion + "; regranting permissions for internal storage"); 2660 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2661 } 2662 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2663 ver.sdkVersion = mSdkVersion; 2664 2665 // If this is the first boot or an update from pre-M, and it is a normal 2666 // boot, then we need to initialize the default preferred apps across 2667 // all defined users. 2668 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2669 for (UserInfo user : sUserManager.getUsers(true)) { 2670 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2671 applyFactoryDefaultBrowserLPw(user.id); 2672 primeDomainVerificationsLPw(user.id); 2673 } 2674 } 2675 2676 // Prepare storage for system user really early during boot, 2677 // since core system apps like SettingsProvider and SystemUI 2678 // can't wait for user to start 2679 final int storageFlags; 2680 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2681 storageFlags = StorageManager.FLAG_STORAGE_DE; 2682 } else { 2683 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2684 } 2685 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2686 storageFlags, true /* migrateAppData */); 2687 2688 // If this is first boot after an OTA, and a normal boot, then 2689 // we need to clear code cache directories. 2690 // Note that we do *not* clear the application profiles. These remain valid 2691 // across OTAs and are used to drive profile verification (post OTA) and 2692 // profile compilation (without waiting to collect a fresh set of profiles). 2693 if (mIsUpgrade && !onlyCore) { 2694 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2695 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2696 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2697 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2698 // No apps are running this early, so no need to freeze 2699 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2700 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2701 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2702 } 2703 } 2704 ver.fingerprint = Build.FINGERPRINT; 2705 } 2706 2707 checkDefaultBrowser(); 2708 2709 // clear only after permissions and other defaults have been updated 2710 mExistingSystemPackages.clear(); 2711 mPromoteSystemApps = false; 2712 2713 // All the changes are done during package scanning. 2714 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2715 2716 // can downgrade to reader 2717 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2718 mSettings.writeLPr(); 2719 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2720 2721 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2722 // early on (before the package manager declares itself as early) because other 2723 // components in the system server might ask for package contexts for these apps. 2724 // 2725 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2726 // (i.e, that the data partition is unavailable). 2727 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2728 long start = System.nanoTime(); 2729 List<PackageParser.Package> coreApps = new ArrayList<>(); 2730 for (PackageParser.Package pkg : mPackages.values()) { 2731 if (pkg.coreApp) { 2732 coreApps.add(pkg); 2733 } 2734 } 2735 2736 int[] stats = performDexOptUpgrade(coreApps, false, 2737 getCompilerFilterForReason(REASON_CORE_APP)); 2738 2739 final int elapsedTimeSeconds = 2740 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2741 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2742 2743 if (DEBUG_DEXOPT) { 2744 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2745 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2746 } 2747 2748 2749 // TODO: Should we log these stats to tron too ? 2750 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2751 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2752 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2753 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2754 } 2755 2756 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2757 SystemClock.uptimeMillis()); 2758 2759 if (!mOnlyCore) { 2760 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2761 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2762 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2763 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2764 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2765 mIntentFilterVerifierComponent); 2766 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2767 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2768 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2769 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2770 } else { 2771 mRequiredVerifierPackage = null; 2772 mRequiredInstallerPackage = null; 2773 mRequiredUninstallerPackage = null; 2774 mIntentFilterVerifierComponent = null; 2775 mIntentFilterVerifier = null; 2776 mServicesSystemSharedLibraryPackageName = null; 2777 mSharedSystemSharedLibraryPackageName = null; 2778 } 2779 2780 mInstallerService = new PackageInstallerService(context, this); 2781 2782 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2783 if (ephemeralResolverComponent != null) { 2784 if (DEBUG_EPHEMERAL) { 2785 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2786 } 2787 mEphemeralResolverConnection = 2788 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2789 } else { 2790 mEphemeralResolverConnection = null; 2791 } 2792 mEphemeralInstallerComponent = getEphemeralInstallerLPr(); 2793 if (mEphemeralInstallerComponent != null) { 2794 if (DEBUG_EPHEMERAL) { 2795 Slog.i(TAG, "Ephemeral installer: " + mEphemeralInstallerComponent); 2796 } 2797 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2798 } 2799 2800 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2801 2802 // Read and update the usage of dex files. 2803 // Do this at the end of PM init so that all the packages have their 2804 // data directory reconciled. 2805 // At this point we know the code paths of the packages, so we can validate 2806 // the disk file and build the internal cache. 2807 // The usage file is expected to be small so loading and verifying it 2808 // should take a fairly small time compare to the other activities (e.g. package 2809 // scanning). 2810 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2811 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2812 for (int userId : currentUserIds) { 2813 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2814 } 2815 mDexManager.load(userPackages); 2816 } // synchronized (mPackages) 2817 } // synchronized (mInstallLock) 2818 2819 // Now after opening every single application zip, make sure they 2820 // are all flushed. Not really needed, but keeps things nice and 2821 // tidy. 2822 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2823 Runtime.getRuntime().gc(); 2824 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2825 2826 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2827 FallbackCategoryProvider.loadFallbacks(); 2828 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2829 2830 // The initial scanning above does many calls into installd while 2831 // holding the mPackages lock, but we're mostly interested in yelling 2832 // once we have a booted system. 2833 mInstaller.setWarnIfHeld(mPackages); 2834 2835 // Expose private service for system components to use. 2836 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2837 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2838 } 2839 2840 private static File preparePackageParserCache(boolean isUpgrade) { 2841 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2842 return null; 2843 } 2844 2845 // Disable package parsing on eng builds to allow for faster incremental development. 2846 if ("eng".equals(Build.TYPE)) { 2847 return null; 2848 } 2849 2850 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2851 Slog.i(TAG, "Disabling package parser cache due to system property."); 2852 return null; 2853 } 2854 2855 // The base directory for the package parser cache lives under /data/system/. 2856 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2857 "package_cache"); 2858 if (cacheBaseDir == null) { 2859 return null; 2860 } 2861 2862 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2863 // This also serves to "GC" unused entries when the package cache version changes (which 2864 // can only happen during upgrades). 2865 if (isUpgrade) { 2866 FileUtils.deleteContents(cacheBaseDir); 2867 } 2868 2869 2870 // Return the versioned package cache directory. This is something like 2871 // "/data/system/package_cache/1" 2872 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2873 2874 // The following is a workaround to aid development on non-numbered userdebug 2875 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2876 // the system partition is newer. 2877 // 2878 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2879 // that starts with "eng." to signify that this is an engineering build and not 2880 // destined for release. 2881 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2882 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2883 2884 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2885 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2886 // in general and should not be used for production changes. In this specific case, 2887 // we know that they will work. 2888 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2889 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2890 FileUtils.deleteContents(cacheBaseDir); 2891 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2892 } 2893 } 2894 2895 return cacheDir; 2896 } 2897 2898 @Override 2899 public boolean isFirstBoot() { 2900 return mFirstBoot; 2901 } 2902 2903 @Override 2904 public boolean isOnlyCoreApps() { 2905 return mOnlyCore; 2906 } 2907 2908 @Override 2909 public boolean isUpgrade() { 2910 return mIsUpgrade; 2911 } 2912 2913 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2914 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2915 2916 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2917 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2918 UserHandle.USER_SYSTEM); 2919 if (matches.size() == 1) { 2920 return matches.get(0).getComponentInfo().packageName; 2921 } else if (matches.size() == 0) { 2922 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2923 return null; 2924 } 2925 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2926 } 2927 2928 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2929 synchronized (mPackages) { 2930 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2931 if (libraryEntry == null) { 2932 throw new IllegalStateException("Missing required shared library:" + libraryName); 2933 } 2934 return libraryEntry.apk; 2935 } 2936 } 2937 2938 private @NonNull String getRequiredInstallerLPr() { 2939 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2940 intent.addCategory(Intent.CATEGORY_DEFAULT); 2941 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2942 2943 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2944 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2945 UserHandle.USER_SYSTEM); 2946 if (matches.size() == 1) { 2947 ResolveInfo resolveInfo = matches.get(0); 2948 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2949 throw new RuntimeException("The installer must be a privileged app"); 2950 } 2951 return matches.get(0).getComponentInfo().packageName; 2952 } else { 2953 throw new RuntimeException("There must be exactly one installer; found " + matches); 2954 } 2955 } 2956 2957 private @NonNull String getRequiredUninstallerLPr() { 2958 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2959 intent.addCategory(Intent.CATEGORY_DEFAULT); 2960 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2961 2962 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2963 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2964 UserHandle.USER_SYSTEM); 2965 if (resolveInfo == null || 2966 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2967 throw new RuntimeException("There must be exactly one uninstaller; found " 2968 + resolveInfo); 2969 } 2970 return resolveInfo.getComponentInfo().packageName; 2971 } 2972 2973 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2974 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2975 2976 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2977 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2978 UserHandle.USER_SYSTEM); 2979 ResolveInfo best = null; 2980 final int N = matches.size(); 2981 for (int i = 0; i < N; i++) { 2982 final ResolveInfo cur = matches.get(i); 2983 final String packageName = cur.getComponentInfo().packageName; 2984 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2985 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2986 continue; 2987 } 2988 2989 if (best == null || cur.priority > best.priority) { 2990 best = cur; 2991 } 2992 } 2993 2994 if (best != null) { 2995 return best.getComponentInfo().getComponentName(); 2996 } else { 2997 throw new RuntimeException("There must be at least one intent filter verifier"); 2998 } 2999 } 3000 3001 private @Nullable ComponentName getEphemeralResolverLPr() { 3002 final String[] packageArray = 3003 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3004 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3005 if (DEBUG_EPHEMERAL) { 3006 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3007 } 3008 return null; 3009 } 3010 3011 final int resolveFlags = 3012 MATCH_DIRECT_BOOT_AWARE 3013 | MATCH_DIRECT_BOOT_UNAWARE 3014 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3015 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3016 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3017 resolveFlags, UserHandle.USER_SYSTEM); 3018 3019 final int N = resolvers.size(); 3020 if (N == 0) { 3021 if (DEBUG_EPHEMERAL) { 3022 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3023 } 3024 return null; 3025 } 3026 3027 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3028 for (int i = 0; i < N; i++) { 3029 final ResolveInfo info = resolvers.get(i); 3030 3031 if (info.serviceInfo == null) { 3032 continue; 3033 } 3034 3035 final String packageName = info.serviceInfo.packageName; 3036 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3037 if (DEBUG_EPHEMERAL) { 3038 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3039 + " pkg: " + packageName + ", info:" + info); 3040 } 3041 continue; 3042 } 3043 3044 if (DEBUG_EPHEMERAL) { 3045 Slog.v(TAG, "Ephemeral resolver found;" 3046 + " pkg: " + packageName + ", info:" + info); 3047 } 3048 return new ComponentName(packageName, info.serviceInfo.name); 3049 } 3050 if (DEBUG_EPHEMERAL) { 3051 Slog.v(TAG, "Ephemeral resolver NOT found"); 3052 } 3053 return null; 3054 } 3055 3056 private @Nullable ComponentName getEphemeralInstallerLPr() { 3057 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3058 intent.addCategory(Intent.CATEGORY_DEFAULT); 3059 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3060 3061 final int resolveFlags = 3062 MATCH_DIRECT_BOOT_AWARE 3063 | MATCH_DIRECT_BOOT_UNAWARE 3064 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3065 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3066 resolveFlags, UserHandle.USER_SYSTEM); 3067 Iterator<ResolveInfo> iter = matches.iterator(); 3068 while (iter.hasNext()) { 3069 final ResolveInfo rInfo = iter.next(); 3070 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3071 if (ps != null) { 3072 final PermissionsState permissionsState = ps.getPermissionsState(); 3073 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3074 continue; 3075 } 3076 } 3077 iter.remove(); 3078 } 3079 if (matches.size() == 0) { 3080 return null; 3081 } else if (matches.size() == 1) { 3082 return matches.get(0).getComponentInfo().getComponentName(); 3083 } else { 3084 throw new RuntimeException( 3085 "There must be at most one ephemeral installer; found " + matches); 3086 } 3087 } 3088 3089 private void primeDomainVerificationsLPw(int userId) { 3090 if (DEBUG_DOMAIN_VERIFICATION) { 3091 Slog.d(TAG, "Priming domain verifications in user " + userId); 3092 } 3093 3094 SystemConfig systemConfig = SystemConfig.getInstance(); 3095 ArraySet<String> packages = systemConfig.getLinkedApps(); 3096 3097 for (String packageName : packages) { 3098 PackageParser.Package pkg = mPackages.get(packageName); 3099 if (pkg != null) { 3100 if (!pkg.isSystemApp()) { 3101 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3102 continue; 3103 } 3104 3105 ArraySet<String> domains = null; 3106 for (PackageParser.Activity a : pkg.activities) { 3107 for (ActivityIntentInfo filter : a.intents) { 3108 if (hasValidDomains(filter)) { 3109 if (domains == null) { 3110 domains = new ArraySet<String>(); 3111 } 3112 domains.addAll(filter.getHostsList()); 3113 } 3114 } 3115 } 3116 3117 if (domains != null && domains.size() > 0) { 3118 if (DEBUG_DOMAIN_VERIFICATION) { 3119 Slog.v(TAG, " + " + packageName); 3120 } 3121 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3122 // state w.r.t. the formal app-linkage "no verification attempted" state; 3123 // and then 'always' in the per-user state actually used for intent resolution. 3124 final IntentFilterVerificationInfo ivi; 3125 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3126 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3127 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3128 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3129 } else { 3130 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3131 + "' does not handle web links"); 3132 } 3133 } else { 3134 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3135 } 3136 } 3137 3138 scheduleWritePackageRestrictionsLocked(userId); 3139 scheduleWriteSettingsLocked(); 3140 } 3141 3142 private void applyFactoryDefaultBrowserLPw(int userId) { 3143 // The default browser app's package name is stored in a string resource, 3144 // with a product-specific overlay used for vendor customization. 3145 String browserPkg = mContext.getResources().getString( 3146 com.android.internal.R.string.default_browser); 3147 if (!TextUtils.isEmpty(browserPkg)) { 3148 // non-empty string => required to be a known package 3149 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3150 if (ps == null) { 3151 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3152 browserPkg = null; 3153 } else { 3154 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3155 } 3156 } 3157 3158 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3159 // default. If there's more than one, just leave everything alone. 3160 if (browserPkg == null) { 3161 calculateDefaultBrowserLPw(userId); 3162 } 3163 } 3164 3165 private void calculateDefaultBrowserLPw(int userId) { 3166 List<String> allBrowsers = resolveAllBrowserApps(userId); 3167 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3168 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3169 } 3170 3171 private List<String> resolveAllBrowserApps(int userId) { 3172 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3173 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3174 PackageManager.MATCH_ALL, userId); 3175 3176 final int count = list.size(); 3177 List<String> result = new ArrayList<String>(count); 3178 for (int i=0; i<count; i++) { 3179 ResolveInfo info = list.get(i); 3180 if (info.activityInfo == null 3181 || !info.handleAllWebDataURI 3182 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3183 || result.contains(info.activityInfo.packageName)) { 3184 continue; 3185 } 3186 result.add(info.activityInfo.packageName); 3187 } 3188 3189 return result; 3190 } 3191 3192 private boolean packageIsBrowser(String packageName, int userId) { 3193 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3194 PackageManager.MATCH_ALL, userId); 3195 final int N = list.size(); 3196 for (int i = 0; i < N; i++) { 3197 ResolveInfo info = list.get(i); 3198 if (packageName.equals(info.activityInfo.packageName)) { 3199 return true; 3200 } 3201 } 3202 return false; 3203 } 3204 3205 private void checkDefaultBrowser() { 3206 final int myUserId = UserHandle.myUserId(); 3207 final String packageName = getDefaultBrowserPackageName(myUserId); 3208 if (packageName != null) { 3209 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3210 if (info == null) { 3211 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3212 synchronized (mPackages) { 3213 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3214 } 3215 } 3216 } 3217 } 3218 3219 @Override 3220 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3221 throws RemoteException { 3222 try { 3223 return super.onTransact(code, data, reply, flags); 3224 } catch (RuntimeException e) { 3225 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3226 Slog.wtf(TAG, "Package Manager Crash", e); 3227 } 3228 throw e; 3229 } 3230 } 3231 3232 static int[] appendInts(int[] cur, int[] add) { 3233 if (add == null) return cur; 3234 if (cur == null) return add; 3235 final int N = add.length; 3236 for (int i=0; i<N; i++) { 3237 cur = appendInt(cur, add[i]); 3238 } 3239 return cur; 3240 } 3241 3242 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3243 if (!sUserManager.exists(userId)) return null; 3244 if (ps == null) { 3245 return null; 3246 } 3247 final PackageParser.Package p = ps.pkg; 3248 if (p == null) { 3249 return null; 3250 } 3251 3252 final PermissionsState permissionsState = ps.getPermissionsState(); 3253 3254 // Compute GIDs only if requested 3255 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3256 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3257 // Compute granted permissions only if package has requested permissions 3258 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3259 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3260 final PackageUserState state = ps.readUserState(userId); 3261 3262 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3263 && ps.isSystem()) { 3264 flags |= MATCH_ANY_USER; 3265 } 3266 3267 return PackageParser.generatePackageInfo(p, gids, flags, 3268 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3269 } 3270 3271 @Override 3272 public void checkPackageStartable(String packageName, int userId) { 3273 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3274 3275 synchronized (mPackages) { 3276 final PackageSetting ps = mSettings.mPackages.get(packageName); 3277 if (ps == null) { 3278 throw new SecurityException("Package " + packageName + " was not found!"); 3279 } 3280 3281 if (!ps.getInstalled(userId)) { 3282 throw new SecurityException( 3283 "Package " + packageName + " was not installed for user " + userId + "!"); 3284 } 3285 3286 if (mSafeMode && !ps.isSystem()) { 3287 throw new SecurityException("Package " + packageName + " not a system app!"); 3288 } 3289 3290 if (mFrozenPackages.contains(packageName)) { 3291 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3292 } 3293 3294 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3295 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3296 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3297 } 3298 } 3299 } 3300 3301 @Override 3302 public boolean isPackageAvailable(String packageName, int userId) { 3303 if (!sUserManager.exists(userId)) return false; 3304 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3305 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3306 synchronized (mPackages) { 3307 PackageParser.Package p = mPackages.get(packageName); 3308 if (p != null) { 3309 final PackageSetting ps = (PackageSetting) p.mExtras; 3310 if (ps != null) { 3311 final PackageUserState state = ps.readUserState(userId); 3312 if (state != null) { 3313 return PackageParser.isAvailable(state); 3314 } 3315 } 3316 } 3317 } 3318 return false; 3319 } 3320 3321 @Override 3322 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3323 if (!sUserManager.exists(userId)) return null; 3324 flags = updateFlagsForPackage(flags, userId, packageName); 3325 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3326 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3327 3328 // reader 3329 synchronized (mPackages) { 3330 // Normalize package name to hanlde renamed packages 3331 packageName = normalizePackageNameLPr(packageName); 3332 3333 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3334 PackageParser.Package p = null; 3335 if (matchFactoryOnly) { 3336 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3337 if (ps != null) { 3338 return generatePackageInfo(ps, flags, userId); 3339 } 3340 } 3341 if (p == null) { 3342 p = mPackages.get(packageName); 3343 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3344 return null; 3345 } 3346 } 3347 if (DEBUG_PACKAGE_INFO) 3348 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3349 if (p != null) { 3350 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3351 } 3352 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3353 final PackageSetting ps = mSettings.mPackages.get(packageName); 3354 return generatePackageInfo(ps, flags, userId); 3355 } 3356 } 3357 return null; 3358 } 3359 3360 @Override 3361 public String[] currentToCanonicalPackageNames(String[] names) { 3362 String[] out = new String[names.length]; 3363 // reader 3364 synchronized (mPackages) { 3365 for (int i=names.length-1; i>=0; i--) { 3366 PackageSetting ps = mSettings.mPackages.get(names[i]); 3367 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3368 } 3369 } 3370 return out; 3371 } 3372 3373 @Override 3374 public String[] canonicalToCurrentPackageNames(String[] names) { 3375 String[] out = new String[names.length]; 3376 // reader 3377 synchronized (mPackages) { 3378 for (int i=names.length-1; i>=0; i--) { 3379 String cur = mSettings.getRenamedPackageLPr(names[i]); 3380 out[i] = cur != null ? cur : names[i]; 3381 } 3382 } 3383 return out; 3384 } 3385 3386 @Override 3387 public int getPackageUid(String packageName, int flags, int userId) { 3388 if (!sUserManager.exists(userId)) return -1; 3389 flags = updateFlagsForPackage(flags, userId, packageName); 3390 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3391 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3392 3393 // reader 3394 synchronized (mPackages) { 3395 final PackageParser.Package p = mPackages.get(packageName); 3396 if (p != null && p.isMatch(flags)) { 3397 return UserHandle.getUid(userId, p.applicationInfo.uid); 3398 } 3399 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3400 final PackageSetting ps = mSettings.mPackages.get(packageName); 3401 if (ps != null && ps.isMatch(flags)) { 3402 return UserHandle.getUid(userId, ps.appId); 3403 } 3404 } 3405 } 3406 3407 return -1; 3408 } 3409 3410 @Override 3411 public int[] getPackageGids(String packageName, int flags, int userId) { 3412 if (!sUserManager.exists(userId)) return null; 3413 flags = updateFlagsForPackage(flags, userId, packageName); 3414 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3415 false /* requireFullPermission */, false /* checkShell */, 3416 "getPackageGids"); 3417 3418 // reader 3419 synchronized (mPackages) { 3420 final PackageParser.Package p = mPackages.get(packageName); 3421 if (p != null && p.isMatch(flags)) { 3422 PackageSetting ps = (PackageSetting) p.mExtras; 3423 // TODO: Shouldn't this be checking for package installed state for userId and 3424 // return null? 3425 return ps.getPermissionsState().computeGids(userId); 3426 } 3427 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3428 final PackageSetting ps = mSettings.mPackages.get(packageName); 3429 if (ps != null && ps.isMatch(flags)) { 3430 return ps.getPermissionsState().computeGids(userId); 3431 } 3432 } 3433 } 3434 3435 return null; 3436 } 3437 3438 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3439 if (bp.perm != null) { 3440 return PackageParser.generatePermissionInfo(bp.perm, flags); 3441 } 3442 PermissionInfo pi = new PermissionInfo(); 3443 pi.name = bp.name; 3444 pi.packageName = bp.sourcePackage; 3445 pi.nonLocalizedLabel = bp.name; 3446 pi.protectionLevel = bp.protectionLevel; 3447 return pi; 3448 } 3449 3450 @Override 3451 public PermissionInfo getPermissionInfo(String name, int flags) { 3452 // reader 3453 synchronized (mPackages) { 3454 final BasePermission p = mSettings.mPermissions.get(name); 3455 if (p != null) { 3456 return generatePermissionInfo(p, flags); 3457 } 3458 return null; 3459 } 3460 } 3461 3462 @Override 3463 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3464 int flags) { 3465 // reader 3466 synchronized (mPackages) { 3467 if (group != null && !mPermissionGroups.containsKey(group)) { 3468 // This is thrown as NameNotFoundException 3469 return null; 3470 } 3471 3472 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3473 for (BasePermission p : mSettings.mPermissions.values()) { 3474 if (group == null) { 3475 if (p.perm == null || p.perm.info.group == null) { 3476 out.add(generatePermissionInfo(p, flags)); 3477 } 3478 } else { 3479 if (p.perm != null && group.equals(p.perm.info.group)) { 3480 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3481 } 3482 } 3483 } 3484 return new ParceledListSlice<>(out); 3485 } 3486 } 3487 3488 @Override 3489 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3490 // reader 3491 synchronized (mPackages) { 3492 return PackageParser.generatePermissionGroupInfo( 3493 mPermissionGroups.get(name), flags); 3494 } 3495 } 3496 3497 @Override 3498 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3499 // reader 3500 synchronized (mPackages) { 3501 final int N = mPermissionGroups.size(); 3502 ArrayList<PermissionGroupInfo> out 3503 = new ArrayList<PermissionGroupInfo>(N); 3504 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3505 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3506 } 3507 return new ParceledListSlice<>(out); 3508 } 3509 } 3510 3511 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3512 int userId) { 3513 if (!sUserManager.exists(userId)) return null; 3514 PackageSetting ps = mSettings.mPackages.get(packageName); 3515 if (ps != null) { 3516 if (ps.pkg == null) { 3517 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3518 if (pInfo != null) { 3519 return pInfo.applicationInfo; 3520 } 3521 return null; 3522 } 3523 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3524 ps.readUserState(userId), userId); 3525 } 3526 return null; 3527 } 3528 3529 @Override 3530 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3531 if (!sUserManager.exists(userId)) return null; 3532 flags = updateFlagsForApplication(flags, userId, packageName); 3533 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3534 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3535 3536 // writer 3537 synchronized (mPackages) { 3538 // Normalize package name to hanlde renamed packages 3539 packageName = normalizePackageNameLPr(packageName); 3540 3541 PackageParser.Package p = mPackages.get(packageName); 3542 if (DEBUG_PACKAGE_INFO) Log.v( 3543 TAG, "getApplicationInfo " + packageName 3544 + ": " + p); 3545 if (p != null) { 3546 PackageSetting ps = mSettings.mPackages.get(packageName); 3547 if (ps == null) return null; 3548 // Note: isEnabledLP() does not apply here - always return info 3549 return PackageParser.generateApplicationInfo( 3550 p, flags, ps.readUserState(userId), userId); 3551 } 3552 if ("android".equals(packageName)||"system".equals(packageName)) { 3553 return mAndroidApplication; 3554 } 3555 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3556 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3557 } 3558 } 3559 return null; 3560 } 3561 3562 private String normalizePackageNameLPr(String packageName) { 3563 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3564 return normalizedPackageName != null ? normalizedPackageName : packageName; 3565 } 3566 3567 @Override 3568 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3569 final IPackageDataObserver observer) { 3570 mContext.enforceCallingOrSelfPermission( 3571 android.Manifest.permission.CLEAR_APP_CACHE, null); 3572 // Queue up an async operation since clearing cache may take a little while. 3573 mHandler.post(new Runnable() { 3574 public void run() { 3575 mHandler.removeCallbacks(this); 3576 boolean success = true; 3577 synchronized (mInstallLock) { 3578 try { 3579 mInstaller.freeCache(volumeUuid, freeStorageSize); 3580 } catch (InstallerException e) { 3581 Slog.w(TAG, "Couldn't clear application caches: " + e); 3582 success = false; 3583 } 3584 } 3585 if (observer != null) { 3586 try { 3587 observer.onRemoveCompleted(null, success); 3588 } catch (RemoteException e) { 3589 Slog.w(TAG, "RemoveException when invoking call back"); 3590 } 3591 } 3592 } 3593 }); 3594 } 3595 3596 @Override 3597 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3598 final IntentSender pi) { 3599 mContext.enforceCallingOrSelfPermission( 3600 android.Manifest.permission.CLEAR_APP_CACHE, null); 3601 // Queue up an async operation since clearing cache may take a little while. 3602 mHandler.post(new Runnable() { 3603 public void run() { 3604 mHandler.removeCallbacks(this); 3605 boolean success = true; 3606 synchronized (mInstallLock) { 3607 try { 3608 mInstaller.freeCache(volumeUuid, freeStorageSize); 3609 } catch (InstallerException e) { 3610 Slog.w(TAG, "Couldn't clear application caches: " + e); 3611 success = false; 3612 } 3613 } 3614 if(pi != null) { 3615 try { 3616 // Callback via pending intent 3617 int code = success ? 1 : 0; 3618 pi.sendIntent(null, code, null, 3619 null, null); 3620 } catch (SendIntentException e1) { 3621 Slog.i(TAG, "Failed to send pending intent"); 3622 } 3623 } 3624 } 3625 }); 3626 } 3627 3628 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3629 synchronized (mInstallLock) { 3630 try { 3631 mInstaller.freeCache(volumeUuid, freeStorageSize); 3632 } catch (InstallerException e) { 3633 throw new IOException("Failed to free enough space", e); 3634 } 3635 } 3636 } 3637 3638 /** 3639 * Update given flags based on encryption status of current user. 3640 */ 3641 private int updateFlags(int flags, int userId) { 3642 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3643 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3644 // Caller expressed an explicit opinion about what encryption 3645 // aware/unaware components they want to see, so fall through and 3646 // give them what they want 3647 } else { 3648 // Caller expressed no opinion, so match based on user state 3649 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3650 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3651 } else { 3652 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3653 } 3654 } 3655 return flags; 3656 } 3657 3658 private UserManagerInternal getUserManagerInternal() { 3659 if (mUserManagerInternal == null) { 3660 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3661 } 3662 return mUserManagerInternal; 3663 } 3664 3665 /** 3666 * Update given flags when being used to request {@link PackageInfo}. 3667 */ 3668 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3669 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3670 boolean triaged = true; 3671 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3672 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3673 // Caller is asking for component details, so they'd better be 3674 // asking for specific encryption matching behavior, or be triaged 3675 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3676 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3677 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3678 triaged = false; 3679 } 3680 } 3681 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3682 | PackageManager.MATCH_SYSTEM_ONLY 3683 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3684 triaged = false; 3685 } 3686 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3687 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3688 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3689 + Debug.getCallers(5)); 3690 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3691 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3692 // If the caller wants all packages and has a restricted profile associated with it, 3693 // then match all users. This is to make sure that launchers that need to access work 3694 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3695 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3696 flags |= PackageManager.MATCH_ANY_USER; 3697 } 3698 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3699 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3700 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3701 } 3702 return updateFlags(flags, userId); 3703 } 3704 3705 /** 3706 * Update given flags when being used to request {@link ApplicationInfo}. 3707 */ 3708 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3709 return updateFlagsForPackage(flags, userId, cookie); 3710 } 3711 3712 /** 3713 * Update given flags when being used to request {@link ComponentInfo}. 3714 */ 3715 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3716 if (cookie instanceof Intent) { 3717 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3718 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3719 } 3720 } 3721 3722 boolean triaged = true; 3723 // Caller is asking for component details, so they'd better be 3724 // asking for specific encryption matching behavior, or be triaged 3725 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3726 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3727 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3728 triaged = false; 3729 } 3730 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3731 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3732 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3733 } 3734 3735 return updateFlags(flags, userId); 3736 } 3737 3738 /** 3739 * Update given flags when being used to request {@link ResolveInfo}. 3740 */ 3741 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3742 // Safe mode means we shouldn't match any third-party components 3743 if (mSafeMode) { 3744 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3745 } 3746 final int callingUid = Binder.getCallingUid(); 3747 if (callingUid == Process.SYSTEM_UID || callingUid == 0) { 3748 // The system sees all components 3749 flags |= PackageManager.MATCH_EPHEMERAL; 3750 } else if (getEphemeralPackageName(callingUid) != null) { 3751 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 3752 flags |= PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3753 flags |= PackageManager.MATCH_EPHEMERAL; 3754 } else { 3755 // Otherwise, prevent leaking ephemeral components 3756 flags &= ~PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3757 flags &= ~PackageManager.MATCH_EPHEMERAL; 3758 } 3759 return updateFlagsForComponent(flags, userId, cookie); 3760 } 3761 3762 @Override 3763 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3764 if (!sUserManager.exists(userId)) return null; 3765 flags = updateFlagsForComponent(flags, userId, component); 3766 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3767 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3768 synchronized (mPackages) { 3769 PackageParser.Activity a = mActivities.mActivities.get(component); 3770 3771 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3772 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3773 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3774 if (ps == null) return null; 3775 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3776 userId); 3777 } 3778 if (mResolveComponentName.equals(component)) { 3779 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3780 new PackageUserState(), userId); 3781 } 3782 } 3783 return null; 3784 } 3785 3786 @Override 3787 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3788 String resolvedType) { 3789 synchronized (mPackages) { 3790 if (component.equals(mResolveComponentName)) { 3791 // The resolver supports EVERYTHING! 3792 return true; 3793 } 3794 PackageParser.Activity a = mActivities.mActivities.get(component); 3795 if (a == null) { 3796 return false; 3797 } 3798 for (int i=0; i<a.intents.size(); i++) { 3799 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3800 intent.getData(), intent.getCategories(), TAG) >= 0) { 3801 return true; 3802 } 3803 } 3804 return false; 3805 } 3806 } 3807 3808 @Override 3809 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3810 if (!sUserManager.exists(userId)) return null; 3811 flags = updateFlagsForComponent(flags, userId, component); 3812 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3813 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3814 synchronized (mPackages) { 3815 PackageParser.Activity a = mReceivers.mActivities.get(component); 3816 if (DEBUG_PACKAGE_INFO) Log.v( 3817 TAG, "getReceiverInfo " + component + ": " + a); 3818 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3819 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3820 if (ps == null) return null; 3821 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3822 userId); 3823 } 3824 } 3825 return null; 3826 } 3827 3828 @Override 3829 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3830 if (!sUserManager.exists(userId)) return null; 3831 flags = updateFlagsForComponent(flags, userId, component); 3832 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3833 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3834 synchronized (mPackages) { 3835 PackageParser.Service s = mServices.mServices.get(component); 3836 if (DEBUG_PACKAGE_INFO) Log.v( 3837 TAG, "getServiceInfo " + component + ": " + s); 3838 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3839 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3840 if (ps == null) return null; 3841 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3842 userId); 3843 } 3844 } 3845 return null; 3846 } 3847 3848 @Override 3849 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3850 if (!sUserManager.exists(userId)) return null; 3851 flags = updateFlagsForComponent(flags, userId, component); 3852 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3853 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3854 synchronized (mPackages) { 3855 PackageParser.Provider p = mProviders.mProviders.get(component); 3856 if (DEBUG_PACKAGE_INFO) Log.v( 3857 TAG, "getProviderInfo " + component + ": " + p); 3858 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3859 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3860 if (ps == null) return null; 3861 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3862 userId); 3863 } 3864 } 3865 return null; 3866 } 3867 3868 @Override 3869 public String[] getSystemSharedLibraryNames() { 3870 Set<String> libSet; 3871 synchronized (mPackages) { 3872 libSet = mSharedLibraries.keySet(); 3873 int size = libSet.size(); 3874 if (size > 0) { 3875 String[] libs = new String[size]; 3876 libSet.toArray(libs); 3877 return libs; 3878 } 3879 } 3880 return null; 3881 } 3882 3883 @Override 3884 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3885 synchronized (mPackages) { 3886 return mServicesSystemSharedLibraryPackageName; 3887 } 3888 } 3889 3890 @Override 3891 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3892 synchronized (mPackages) { 3893 return mSharedSystemSharedLibraryPackageName; 3894 } 3895 } 3896 3897 @Override 3898 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3899 synchronized (mPackages) { 3900 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3901 3902 final FeatureInfo fi = new FeatureInfo(); 3903 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3904 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3905 res.add(fi); 3906 3907 return new ParceledListSlice<>(res); 3908 } 3909 } 3910 3911 @Override 3912 public boolean hasSystemFeature(String name, int version) { 3913 synchronized (mPackages) { 3914 final FeatureInfo feat = mAvailableFeatures.get(name); 3915 if (feat == null) { 3916 return false; 3917 } else { 3918 return feat.version >= version; 3919 } 3920 } 3921 } 3922 3923 @Override 3924 public int checkPermission(String permName, String pkgName, int userId) { 3925 if (!sUserManager.exists(userId)) { 3926 return PackageManager.PERMISSION_DENIED; 3927 } 3928 3929 synchronized (mPackages) { 3930 final PackageParser.Package p = mPackages.get(pkgName); 3931 if (p != null && p.mExtras != null) { 3932 final PackageSetting ps = (PackageSetting) p.mExtras; 3933 final PermissionsState permissionsState = ps.getPermissionsState(); 3934 if (permissionsState.hasPermission(permName, userId)) { 3935 return PackageManager.PERMISSION_GRANTED; 3936 } 3937 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3938 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3939 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3940 return PackageManager.PERMISSION_GRANTED; 3941 } 3942 } 3943 } 3944 3945 return PackageManager.PERMISSION_DENIED; 3946 } 3947 3948 @Override 3949 public int checkUidPermission(String permName, int uid) { 3950 final int userId = UserHandle.getUserId(uid); 3951 3952 if (!sUserManager.exists(userId)) { 3953 return PackageManager.PERMISSION_DENIED; 3954 } 3955 3956 synchronized (mPackages) { 3957 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3958 if (obj != null) { 3959 final SettingBase ps = (SettingBase) obj; 3960 final PermissionsState permissionsState = ps.getPermissionsState(); 3961 if (permissionsState.hasPermission(permName, userId)) { 3962 return PackageManager.PERMISSION_GRANTED; 3963 } 3964 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3965 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3966 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3967 return PackageManager.PERMISSION_GRANTED; 3968 } 3969 } else { 3970 ArraySet<String> perms = mSystemPermissions.get(uid); 3971 if (perms != null) { 3972 if (perms.contains(permName)) { 3973 return PackageManager.PERMISSION_GRANTED; 3974 } 3975 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3976 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3977 return PackageManager.PERMISSION_GRANTED; 3978 } 3979 } 3980 } 3981 } 3982 3983 return PackageManager.PERMISSION_DENIED; 3984 } 3985 3986 @Override 3987 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3988 if (UserHandle.getCallingUserId() != userId) { 3989 mContext.enforceCallingPermission( 3990 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3991 "isPermissionRevokedByPolicy for user " + userId); 3992 } 3993 3994 if (checkPermission(permission, packageName, userId) 3995 == PackageManager.PERMISSION_GRANTED) { 3996 return false; 3997 } 3998 3999 final long identity = Binder.clearCallingIdentity(); 4000 try { 4001 final int flags = getPermissionFlags(permission, packageName, userId); 4002 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4003 } finally { 4004 Binder.restoreCallingIdentity(identity); 4005 } 4006 } 4007 4008 @Override 4009 public String getPermissionControllerPackageName() { 4010 synchronized (mPackages) { 4011 return mRequiredInstallerPackage; 4012 } 4013 } 4014 4015 /** 4016 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4017 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4018 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4019 * @param message the message to log on security exception 4020 */ 4021 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4022 boolean checkShell, String message) { 4023 if (userId < 0) { 4024 throw new IllegalArgumentException("Invalid userId " + userId); 4025 } 4026 if (checkShell) { 4027 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4028 } 4029 if (userId == UserHandle.getUserId(callingUid)) return; 4030 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4031 if (requireFullPermission) { 4032 mContext.enforceCallingOrSelfPermission( 4033 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4034 } else { 4035 try { 4036 mContext.enforceCallingOrSelfPermission( 4037 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4038 } catch (SecurityException se) { 4039 mContext.enforceCallingOrSelfPermission( 4040 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4041 } 4042 } 4043 } 4044 } 4045 4046 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4047 if (callingUid == Process.SHELL_UID) { 4048 if (userHandle >= 0 4049 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4050 throw new SecurityException("Shell does not have permission to access user " 4051 + userHandle); 4052 } else if (userHandle < 0) { 4053 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4054 + Debug.getCallers(3)); 4055 } 4056 } 4057 } 4058 4059 private BasePermission findPermissionTreeLP(String permName) { 4060 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4061 if (permName.startsWith(bp.name) && 4062 permName.length() > bp.name.length() && 4063 permName.charAt(bp.name.length()) == '.') { 4064 return bp; 4065 } 4066 } 4067 return null; 4068 } 4069 4070 private BasePermission checkPermissionTreeLP(String permName) { 4071 if (permName != null) { 4072 BasePermission bp = findPermissionTreeLP(permName); 4073 if (bp != null) { 4074 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4075 return bp; 4076 } 4077 throw new SecurityException("Calling uid " 4078 + Binder.getCallingUid() 4079 + " is not allowed to add to permission tree " 4080 + bp.name + " owned by uid " + bp.uid); 4081 } 4082 } 4083 throw new SecurityException("No permission tree found for " + permName); 4084 } 4085 4086 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4087 if (s1 == null) { 4088 return s2 == null; 4089 } 4090 if (s2 == null) { 4091 return false; 4092 } 4093 if (s1.getClass() != s2.getClass()) { 4094 return false; 4095 } 4096 return s1.equals(s2); 4097 } 4098 4099 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4100 if (pi1.icon != pi2.icon) return false; 4101 if (pi1.logo != pi2.logo) return false; 4102 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4103 if (!compareStrings(pi1.name, pi2.name)) return false; 4104 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4105 // We'll take care of setting this one. 4106 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4107 // These are not currently stored in settings. 4108 //if (!compareStrings(pi1.group, pi2.group)) return false; 4109 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4110 //if (pi1.labelRes != pi2.labelRes) return false; 4111 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4112 return true; 4113 } 4114 4115 int permissionInfoFootprint(PermissionInfo info) { 4116 int size = info.name.length(); 4117 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4118 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4119 return size; 4120 } 4121 4122 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4123 int size = 0; 4124 for (BasePermission perm : mSettings.mPermissions.values()) { 4125 if (perm.uid == tree.uid) { 4126 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4127 } 4128 } 4129 return size; 4130 } 4131 4132 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4133 // We calculate the max size of permissions defined by this uid and throw 4134 // if that plus the size of 'info' would exceed our stated maximum. 4135 if (tree.uid != Process.SYSTEM_UID) { 4136 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4137 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4138 throw new SecurityException("Permission tree size cap exceeded"); 4139 } 4140 } 4141 } 4142 4143 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4144 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4145 throw new SecurityException("Label must be specified in permission"); 4146 } 4147 BasePermission tree = checkPermissionTreeLP(info.name); 4148 BasePermission bp = mSettings.mPermissions.get(info.name); 4149 boolean added = bp == null; 4150 boolean changed = true; 4151 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4152 if (added) { 4153 enforcePermissionCapLocked(info, tree); 4154 bp = new BasePermission(info.name, tree.sourcePackage, 4155 BasePermission.TYPE_DYNAMIC); 4156 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4157 throw new SecurityException( 4158 "Not allowed to modify non-dynamic permission " 4159 + info.name); 4160 } else { 4161 if (bp.protectionLevel == fixedLevel 4162 && bp.perm.owner.equals(tree.perm.owner) 4163 && bp.uid == tree.uid 4164 && comparePermissionInfos(bp.perm.info, info)) { 4165 changed = false; 4166 } 4167 } 4168 bp.protectionLevel = fixedLevel; 4169 info = new PermissionInfo(info); 4170 info.protectionLevel = fixedLevel; 4171 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4172 bp.perm.info.packageName = tree.perm.info.packageName; 4173 bp.uid = tree.uid; 4174 if (added) { 4175 mSettings.mPermissions.put(info.name, bp); 4176 } 4177 if (changed) { 4178 if (!async) { 4179 mSettings.writeLPr(); 4180 } else { 4181 scheduleWriteSettingsLocked(); 4182 } 4183 } 4184 return added; 4185 } 4186 4187 @Override 4188 public boolean addPermission(PermissionInfo info) { 4189 synchronized (mPackages) { 4190 return addPermissionLocked(info, false); 4191 } 4192 } 4193 4194 @Override 4195 public boolean addPermissionAsync(PermissionInfo info) { 4196 synchronized (mPackages) { 4197 return addPermissionLocked(info, true); 4198 } 4199 } 4200 4201 @Override 4202 public void removePermission(String name) { 4203 synchronized (mPackages) { 4204 checkPermissionTreeLP(name); 4205 BasePermission bp = mSettings.mPermissions.get(name); 4206 if (bp != null) { 4207 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4208 throw new SecurityException( 4209 "Not allowed to modify non-dynamic permission " 4210 + name); 4211 } 4212 mSettings.mPermissions.remove(name); 4213 mSettings.writeLPr(); 4214 } 4215 } 4216 } 4217 4218 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4219 BasePermission bp) { 4220 int index = pkg.requestedPermissions.indexOf(bp.name); 4221 if (index == -1) { 4222 throw new SecurityException("Package " + pkg.packageName 4223 + " has not requested permission " + bp.name); 4224 } 4225 if (!bp.isRuntime() && !bp.isDevelopment()) { 4226 throw new SecurityException("Permission " + bp.name 4227 + " is not a changeable permission type"); 4228 } 4229 } 4230 4231 @Override 4232 public void grantRuntimePermission(String packageName, String name, final int userId) { 4233 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4234 } 4235 4236 private void grantRuntimePermission(String packageName, String name, final int userId, 4237 boolean overridePolicy) { 4238 if (!sUserManager.exists(userId)) { 4239 Log.e(TAG, "No such user:" + userId); 4240 return; 4241 } 4242 4243 mContext.enforceCallingOrSelfPermission( 4244 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4245 "grantRuntimePermission"); 4246 4247 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4248 true /* requireFullPermission */, true /* checkShell */, 4249 "grantRuntimePermission"); 4250 4251 final int uid; 4252 final SettingBase sb; 4253 4254 synchronized (mPackages) { 4255 final PackageParser.Package pkg = mPackages.get(packageName); 4256 if (pkg == null) { 4257 throw new IllegalArgumentException("Unknown package: " + packageName); 4258 } 4259 4260 final BasePermission bp = mSettings.mPermissions.get(name); 4261 if (bp == null) { 4262 throw new IllegalArgumentException("Unknown permission: " + name); 4263 } 4264 4265 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4266 4267 // If a permission review is required for legacy apps we represent 4268 // their permissions as always granted runtime ones since we need 4269 // to keep the review required permission flag per user while an 4270 // install permission's state is shared across all users. 4271 if (mPermissionReviewRequired 4272 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4273 && bp.isRuntime()) { 4274 return; 4275 } 4276 4277 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4278 sb = (SettingBase) pkg.mExtras; 4279 if (sb == null) { 4280 throw new IllegalArgumentException("Unknown package: " + packageName); 4281 } 4282 4283 final PermissionsState permissionsState = sb.getPermissionsState(); 4284 4285 final int flags = permissionsState.getPermissionFlags(name, userId); 4286 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4287 throw new SecurityException("Cannot grant system fixed permission " 4288 + name + " for package " + packageName); 4289 } 4290 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4291 throw new SecurityException("Cannot grant policy fixed permission " 4292 + name + " for package " + packageName); 4293 } 4294 4295 if (bp.isDevelopment()) { 4296 // Development permissions must be handled specially, since they are not 4297 // normal runtime permissions. For now they apply to all users. 4298 if (permissionsState.grantInstallPermission(bp) != 4299 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4300 scheduleWriteSettingsLocked(); 4301 } 4302 return; 4303 } 4304 4305 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 4306 throw new SecurityException("Cannot grant non-ephemeral permission" 4307 + name + " for package " + packageName); 4308 } 4309 4310 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4311 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4312 return; 4313 } 4314 4315 final int result = permissionsState.grantRuntimePermission(bp, userId); 4316 switch (result) { 4317 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4318 return; 4319 } 4320 4321 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4322 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4323 mHandler.post(new Runnable() { 4324 @Override 4325 public void run() { 4326 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4327 } 4328 }); 4329 } 4330 break; 4331 } 4332 4333 if (bp.isRuntime()) { 4334 logPermissionGranted(mContext, name, packageName); 4335 } 4336 4337 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4338 4339 // Not critical if that is lost - app has to request again. 4340 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4341 } 4342 4343 // Only need to do this if user is initialized. Otherwise it's a new user 4344 // and there are no processes running as the user yet and there's no need 4345 // to make an expensive call to remount processes for the changed permissions. 4346 if (READ_EXTERNAL_STORAGE.equals(name) 4347 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4348 final long token = Binder.clearCallingIdentity(); 4349 try { 4350 if (sUserManager.isInitialized(userId)) { 4351 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4352 StorageManagerInternal.class); 4353 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4354 } 4355 } finally { 4356 Binder.restoreCallingIdentity(token); 4357 } 4358 } 4359 } 4360 4361 @Override 4362 public void revokeRuntimePermission(String packageName, String name, int userId) { 4363 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4364 } 4365 4366 private void revokeRuntimePermission(String packageName, String name, int userId, 4367 boolean overridePolicy) { 4368 if (!sUserManager.exists(userId)) { 4369 Log.e(TAG, "No such user:" + userId); 4370 return; 4371 } 4372 4373 mContext.enforceCallingOrSelfPermission( 4374 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4375 "revokeRuntimePermission"); 4376 4377 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4378 true /* requireFullPermission */, true /* checkShell */, 4379 "revokeRuntimePermission"); 4380 4381 final int appId; 4382 4383 synchronized (mPackages) { 4384 final PackageParser.Package pkg = mPackages.get(packageName); 4385 if (pkg == null) { 4386 throw new IllegalArgumentException("Unknown package: " + packageName); 4387 } 4388 4389 final BasePermission bp = mSettings.mPermissions.get(name); 4390 if (bp == null) { 4391 throw new IllegalArgumentException("Unknown permission: " + name); 4392 } 4393 4394 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4395 4396 // If a permission review is required for legacy apps we represent 4397 // their permissions as always granted runtime ones since we need 4398 // to keep the review required permission flag per user while an 4399 // install permission's state is shared across all users. 4400 if (mPermissionReviewRequired 4401 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4402 && bp.isRuntime()) { 4403 return; 4404 } 4405 4406 SettingBase sb = (SettingBase) pkg.mExtras; 4407 if (sb == null) { 4408 throw new IllegalArgumentException("Unknown package: " + packageName); 4409 } 4410 4411 final PermissionsState permissionsState = sb.getPermissionsState(); 4412 4413 final int flags = permissionsState.getPermissionFlags(name, userId); 4414 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4415 throw new SecurityException("Cannot revoke system fixed permission " 4416 + name + " for package " + packageName); 4417 } 4418 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4419 throw new SecurityException("Cannot revoke policy fixed permission " 4420 + name + " for package " + packageName); 4421 } 4422 4423 if (bp.isDevelopment()) { 4424 // Development permissions must be handled specially, since they are not 4425 // normal runtime permissions. For now they apply to all users. 4426 if (permissionsState.revokeInstallPermission(bp) != 4427 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4428 scheduleWriteSettingsLocked(); 4429 } 4430 return; 4431 } 4432 4433 if (permissionsState.revokeRuntimePermission(bp, userId) == 4434 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4435 return; 4436 } 4437 4438 if (bp.isRuntime()) { 4439 logPermissionRevoked(mContext, name, packageName); 4440 } 4441 4442 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4443 4444 // Critical, after this call app should never have the permission. 4445 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4446 4447 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4448 } 4449 4450 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4451 } 4452 4453 /** 4454 * Get the first event id for the permission. 4455 * 4456 * <p>There are four events for each permission: <ul> 4457 * <li>Request permission: first id + 0</li> 4458 * <li>Grant permission: first id + 1</li> 4459 * <li>Request for permission denied: first id + 2</li> 4460 * <li>Revoke permission: first id + 3</li> 4461 * </ul></p> 4462 * 4463 * @param name name of the permission 4464 * 4465 * @return The first event id for the permission 4466 */ 4467 private static int getBaseEventId(@NonNull String name) { 4468 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4469 4470 if (eventIdIndex == -1) { 4471 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4472 || "user".equals(Build.TYPE)) { 4473 Log.i(TAG, "Unknown permission " + name); 4474 4475 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4476 } else { 4477 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4478 // 4479 // Also update 4480 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4481 // - metrics_constants.proto 4482 throw new IllegalStateException("Unknown permission " + name); 4483 } 4484 } 4485 4486 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4487 } 4488 4489 /** 4490 * Log that a permission was revoked. 4491 * 4492 * @param context Context of the caller 4493 * @param name name of the permission 4494 * @param packageName package permission if for 4495 */ 4496 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4497 @NonNull String packageName) { 4498 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4499 } 4500 4501 /** 4502 * Log that a permission request was granted. 4503 * 4504 * @param context Context of the caller 4505 * @param name name of the permission 4506 * @param packageName package permission if for 4507 */ 4508 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4509 @NonNull String packageName) { 4510 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4511 } 4512 4513 @Override 4514 public void resetRuntimePermissions() { 4515 mContext.enforceCallingOrSelfPermission( 4516 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4517 "revokeRuntimePermission"); 4518 4519 int callingUid = Binder.getCallingUid(); 4520 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4521 mContext.enforceCallingOrSelfPermission( 4522 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4523 "resetRuntimePermissions"); 4524 } 4525 4526 synchronized (mPackages) { 4527 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4528 for (int userId : UserManagerService.getInstance().getUserIds()) { 4529 final int packageCount = mPackages.size(); 4530 for (int i = 0; i < packageCount; i++) { 4531 PackageParser.Package pkg = mPackages.valueAt(i); 4532 if (!(pkg.mExtras instanceof PackageSetting)) { 4533 continue; 4534 } 4535 PackageSetting ps = (PackageSetting) pkg.mExtras; 4536 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4537 } 4538 } 4539 } 4540 } 4541 4542 @Override 4543 public int getPermissionFlags(String name, String packageName, int userId) { 4544 if (!sUserManager.exists(userId)) { 4545 return 0; 4546 } 4547 4548 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4549 4550 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4551 true /* requireFullPermission */, false /* checkShell */, 4552 "getPermissionFlags"); 4553 4554 synchronized (mPackages) { 4555 final PackageParser.Package pkg = mPackages.get(packageName); 4556 if (pkg == null) { 4557 return 0; 4558 } 4559 4560 final BasePermission bp = mSettings.mPermissions.get(name); 4561 if (bp == null) { 4562 return 0; 4563 } 4564 4565 SettingBase sb = (SettingBase) pkg.mExtras; 4566 if (sb == null) { 4567 return 0; 4568 } 4569 4570 PermissionsState permissionsState = sb.getPermissionsState(); 4571 return permissionsState.getPermissionFlags(name, userId); 4572 } 4573 } 4574 4575 @Override 4576 public void updatePermissionFlags(String name, String packageName, int flagMask, 4577 int flagValues, int userId) { 4578 if (!sUserManager.exists(userId)) { 4579 return; 4580 } 4581 4582 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4583 4584 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4585 true /* requireFullPermission */, true /* checkShell */, 4586 "updatePermissionFlags"); 4587 4588 // Only the system can change these flags and nothing else. 4589 if (getCallingUid() != Process.SYSTEM_UID) { 4590 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4591 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4592 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4593 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4594 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4595 } 4596 4597 synchronized (mPackages) { 4598 final PackageParser.Package pkg = mPackages.get(packageName); 4599 if (pkg == null) { 4600 throw new IllegalArgumentException("Unknown package: " + packageName); 4601 } 4602 4603 final BasePermission bp = mSettings.mPermissions.get(name); 4604 if (bp == null) { 4605 throw new IllegalArgumentException("Unknown permission: " + name); 4606 } 4607 4608 SettingBase sb = (SettingBase) pkg.mExtras; 4609 if (sb == null) { 4610 throw new IllegalArgumentException("Unknown package: " + packageName); 4611 } 4612 4613 PermissionsState permissionsState = sb.getPermissionsState(); 4614 4615 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4616 4617 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4618 // Install and runtime permissions are stored in different places, 4619 // so figure out what permission changed and persist the change. 4620 if (permissionsState.getInstallPermissionState(name) != null) { 4621 scheduleWriteSettingsLocked(); 4622 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4623 || hadState) { 4624 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4625 } 4626 } 4627 } 4628 } 4629 4630 /** 4631 * Update the permission flags for all packages and runtime permissions of a user in order 4632 * to allow device or profile owner to remove POLICY_FIXED. 4633 */ 4634 @Override 4635 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4636 if (!sUserManager.exists(userId)) { 4637 return; 4638 } 4639 4640 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4641 4642 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4643 true /* requireFullPermission */, true /* checkShell */, 4644 "updatePermissionFlagsForAllApps"); 4645 4646 // Only the system can change system fixed flags. 4647 if (getCallingUid() != Process.SYSTEM_UID) { 4648 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4649 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4650 } 4651 4652 synchronized (mPackages) { 4653 boolean changed = false; 4654 final int packageCount = mPackages.size(); 4655 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4656 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4657 SettingBase sb = (SettingBase) pkg.mExtras; 4658 if (sb == null) { 4659 continue; 4660 } 4661 PermissionsState permissionsState = sb.getPermissionsState(); 4662 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4663 userId, flagMask, flagValues); 4664 } 4665 if (changed) { 4666 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4667 } 4668 } 4669 } 4670 4671 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4672 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4673 != PackageManager.PERMISSION_GRANTED 4674 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4675 != PackageManager.PERMISSION_GRANTED) { 4676 throw new SecurityException(message + " requires " 4677 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4678 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4679 } 4680 } 4681 4682 @Override 4683 public boolean shouldShowRequestPermissionRationale(String permissionName, 4684 String packageName, int userId) { 4685 if (UserHandle.getCallingUserId() != userId) { 4686 mContext.enforceCallingPermission( 4687 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4688 "canShowRequestPermissionRationale for user " + userId); 4689 } 4690 4691 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4692 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4693 return false; 4694 } 4695 4696 if (checkPermission(permissionName, packageName, userId) 4697 == PackageManager.PERMISSION_GRANTED) { 4698 return false; 4699 } 4700 4701 final int flags; 4702 4703 final long identity = Binder.clearCallingIdentity(); 4704 try { 4705 flags = getPermissionFlags(permissionName, 4706 packageName, userId); 4707 } finally { 4708 Binder.restoreCallingIdentity(identity); 4709 } 4710 4711 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4712 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4713 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4714 4715 if ((flags & fixedFlags) != 0) { 4716 return false; 4717 } 4718 4719 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4720 } 4721 4722 @Override 4723 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4724 mContext.enforceCallingOrSelfPermission( 4725 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4726 "addOnPermissionsChangeListener"); 4727 4728 synchronized (mPackages) { 4729 mOnPermissionChangeListeners.addListenerLocked(listener); 4730 } 4731 } 4732 4733 @Override 4734 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4735 synchronized (mPackages) { 4736 mOnPermissionChangeListeners.removeListenerLocked(listener); 4737 } 4738 } 4739 4740 @Override 4741 public boolean isProtectedBroadcast(String actionName) { 4742 synchronized (mPackages) { 4743 if (mProtectedBroadcasts.contains(actionName)) { 4744 return true; 4745 } else if (actionName != null) { 4746 // TODO: remove these terrible hacks 4747 if (actionName.startsWith("android.net.netmon.lingerExpired") 4748 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4749 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4750 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4751 return true; 4752 } 4753 } 4754 } 4755 return false; 4756 } 4757 4758 @Override 4759 public int checkSignatures(String pkg1, String pkg2) { 4760 synchronized (mPackages) { 4761 final PackageParser.Package p1 = mPackages.get(pkg1); 4762 final PackageParser.Package p2 = mPackages.get(pkg2); 4763 if (p1 == null || p1.mExtras == null 4764 || p2 == null || p2.mExtras == null) { 4765 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4766 } 4767 return compareSignatures(p1.mSignatures, p2.mSignatures); 4768 } 4769 } 4770 4771 @Override 4772 public int checkUidSignatures(int uid1, int uid2) { 4773 // Map to base uids. 4774 uid1 = UserHandle.getAppId(uid1); 4775 uid2 = UserHandle.getAppId(uid2); 4776 // reader 4777 synchronized (mPackages) { 4778 Signature[] s1; 4779 Signature[] s2; 4780 Object obj = mSettings.getUserIdLPr(uid1); 4781 if (obj != null) { 4782 if (obj instanceof SharedUserSetting) { 4783 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4784 } else if (obj instanceof PackageSetting) { 4785 s1 = ((PackageSetting)obj).signatures.mSignatures; 4786 } else { 4787 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4788 } 4789 } else { 4790 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4791 } 4792 obj = mSettings.getUserIdLPr(uid2); 4793 if (obj != null) { 4794 if (obj instanceof SharedUserSetting) { 4795 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4796 } else if (obj instanceof PackageSetting) { 4797 s2 = ((PackageSetting)obj).signatures.mSignatures; 4798 } else { 4799 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4800 } 4801 } else { 4802 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4803 } 4804 return compareSignatures(s1, s2); 4805 } 4806 } 4807 4808 /** 4809 * This method should typically only be used when granting or revoking 4810 * permissions, since the app may immediately restart after this call. 4811 * <p> 4812 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4813 * guard your work against the app being relaunched. 4814 */ 4815 private void killUid(int appId, int userId, String reason) { 4816 final long identity = Binder.clearCallingIdentity(); 4817 try { 4818 IActivityManager am = ActivityManager.getService(); 4819 if (am != null) { 4820 try { 4821 am.killUid(appId, userId, reason); 4822 } catch (RemoteException e) { 4823 /* ignore - same process */ 4824 } 4825 } 4826 } finally { 4827 Binder.restoreCallingIdentity(identity); 4828 } 4829 } 4830 4831 /** 4832 * Compares two sets of signatures. Returns: 4833 * <br /> 4834 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4835 * <br /> 4836 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4837 * <br /> 4838 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4839 * <br /> 4840 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4841 * <br /> 4842 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4843 */ 4844 static int compareSignatures(Signature[] s1, Signature[] s2) { 4845 if (s1 == null) { 4846 return s2 == null 4847 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4848 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4849 } 4850 4851 if (s2 == null) { 4852 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4853 } 4854 4855 if (s1.length != s2.length) { 4856 return PackageManager.SIGNATURE_NO_MATCH; 4857 } 4858 4859 // Since both signature sets are of size 1, we can compare without HashSets. 4860 if (s1.length == 1) { 4861 return s1[0].equals(s2[0]) ? 4862 PackageManager.SIGNATURE_MATCH : 4863 PackageManager.SIGNATURE_NO_MATCH; 4864 } 4865 4866 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4867 for (Signature sig : s1) { 4868 set1.add(sig); 4869 } 4870 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4871 for (Signature sig : s2) { 4872 set2.add(sig); 4873 } 4874 // Make sure s2 contains all signatures in s1. 4875 if (set1.equals(set2)) { 4876 return PackageManager.SIGNATURE_MATCH; 4877 } 4878 return PackageManager.SIGNATURE_NO_MATCH; 4879 } 4880 4881 /** 4882 * If the database version for this type of package (internal storage or 4883 * external storage) is less than the version where package signatures 4884 * were updated, return true. 4885 */ 4886 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4887 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4888 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4889 } 4890 4891 /** 4892 * Used for backward compatibility to make sure any packages with 4893 * certificate chains get upgraded to the new style. {@code existingSigs} 4894 * will be in the old format (since they were stored on disk from before the 4895 * system upgrade) and {@code scannedSigs} will be in the newer format. 4896 */ 4897 private int compareSignaturesCompat(PackageSignatures existingSigs, 4898 PackageParser.Package scannedPkg) { 4899 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4900 return PackageManager.SIGNATURE_NO_MATCH; 4901 } 4902 4903 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4904 for (Signature sig : existingSigs.mSignatures) { 4905 existingSet.add(sig); 4906 } 4907 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4908 for (Signature sig : scannedPkg.mSignatures) { 4909 try { 4910 Signature[] chainSignatures = sig.getChainSignatures(); 4911 for (Signature chainSig : chainSignatures) { 4912 scannedCompatSet.add(chainSig); 4913 } 4914 } catch (CertificateEncodingException e) { 4915 scannedCompatSet.add(sig); 4916 } 4917 } 4918 /* 4919 * Make sure the expanded scanned set contains all signatures in the 4920 * existing one. 4921 */ 4922 if (scannedCompatSet.equals(existingSet)) { 4923 // Migrate the old signatures to the new scheme. 4924 existingSigs.assignSignatures(scannedPkg.mSignatures); 4925 // The new KeySets will be re-added later in the scanning process. 4926 synchronized (mPackages) { 4927 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4928 } 4929 return PackageManager.SIGNATURE_MATCH; 4930 } 4931 return PackageManager.SIGNATURE_NO_MATCH; 4932 } 4933 4934 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4935 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4936 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4937 } 4938 4939 private int compareSignaturesRecover(PackageSignatures existingSigs, 4940 PackageParser.Package scannedPkg) { 4941 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4942 return PackageManager.SIGNATURE_NO_MATCH; 4943 } 4944 4945 String msg = null; 4946 try { 4947 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4948 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4949 + scannedPkg.packageName); 4950 return PackageManager.SIGNATURE_MATCH; 4951 } 4952 } catch (CertificateException e) { 4953 msg = e.getMessage(); 4954 } 4955 4956 logCriticalInfo(Log.INFO, 4957 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4958 return PackageManager.SIGNATURE_NO_MATCH; 4959 } 4960 4961 @Override 4962 public List<String> getAllPackages() { 4963 synchronized (mPackages) { 4964 return new ArrayList<String>(mPackages.keySet()); 4965 } 4966 } 4967 4968 @Override 4969 public String[] getPackagesForUid(int uid) { 4970 final int userId = UserHandle.getUserId(uid); 4971 uid = UserHandle.getAppId(uid); 4972 // reader 4973 synchronized (mPackages) { 4974 Object obj = mSettings.getUserIdLPr(uid); 4975 if (obj instanceof SharedUserSetting) { 4976 final SharedUserSetting sus = (SharedUserSetting) obj; 4977 final int N = sus.packages.size(); 4978 String[] res = new String[N]; 4979 final Iterator<PackageSetting> it = sus.packages.iterator(); 4980 int i = 0; 4981 while (it.hasNext()) { 4982 PackageSetting ps = it.next(); 4983 if (ps.getInstalled(userId)) { 4984 res[i++] = ps.name; 4985 } else { 4986 res = ArrayUtils.removeElement(String.class, res, res[i]); 4987 } 4988 } 4989 return res; 4990 } else if (obj instanceof PackageSetting) { 4991 final PackageSetting ps = (PackageSetting) obj; 4992 return new String[] { ps.name }; 4993 } 4994 } 4995 return null; 4996 } 4997 4998 @Override 4999 public String getNameForUid(int uid) { 5000 // reader 5001 synchronized (mPackages) { 5002 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5003 if (obj instanceof SharedUserSetting) { 5004 final SharedUserSetting sus = (SharedUserSetting) obj; 5005 return sus.name + ":" + sus.userId; 5006 } else if (obj instanceof PackageSetting) { 5007 final PackageSetting ps = (PackageSetting) obj; 5008 return ps.name; 5009 } 5010 } 5011 return null; 5012 } 5013 5014 @Override 5015 public int getUidForSharedUser(String sharedUserName) { 5016 if(sharedUserName == null) { 5017 return -1; 5018 } 5019 // reader 5020 synchronized (mPackages) { 5021 SharedUserSetting suid; 5022 try { 5023 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5024 if (suid != null) { 5025 return suid.userId; 5026 } 5027 } catch (PackageManagerException ignore) { 5028 // can't happen, but, still need to catch it 5029 } 5030 return -1; 5031 } 5032 } 5033 5034 @Override 5035 public int getFlagsForUid(int uid) { 5036 synchronized (mPackages) { 5037 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5038 if (obj instanceof SharedUserSetting) { 5039 final SharedUserSetting sus = (SharedUserSetting) obj; 5040 return sus.pkgFlags; 5041 } else if (obj instanceof PackageSetting) { 5042 final PackageSetting ps = (PackageSetting) obj; 5043 return ps.pkgFlags; 5044 } 5045 } 5046 return 0; 5047 } 5048 5049 @Override 5050 public int getPrivateFlagsForUid(int uid) { 5051 synchronized (mPackages) { 5052 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5053 if (obj instanceof SharedUserSetting) { 5054 final SharedUserSetting sus = (SharedUserSetting) obj; 5055 return sus.pkgPrivateFlags; 5056 } else if (obj instanceof PackageSetting) { 5057 final PackageSetting ps = (PackageSetting) obj; 5058 return ps.pkgPrivateFlags; 5059 } 5060 } 5061 return 0; 5062 } 5063 5064 @Override 5065 public boolean isUidPrivileged(int uid) { 5066 uid = UserHandle.getAppId(uid); 5067 // reader 5068 synchronized (mPackages) { 5069 Object obj = mSettings.getUserIdLPr(uid); 5070 if (obj instanceof SharedUserSetting) { 5071 final SharedUserSetting sus = (SharedUserSetting) obj; 5072 final Iterator<PackageSetting> it = sus.packages.iterator(); 5073 while (it.hasNext()) { 5074 if (it.next().isPrivileged()) { 5075 return true; 5076 } 5077 } 5078 } else if (obj instanceof PackageSetting) { 5079 final PackageSetting ps = (PackageSetting) obj; 5080 return ps.isPrivileged(); 5081 } 5082 } 5083 return false; 5084 } 5085 5086 @Override 5087 public String[] getAppOpPermissionPackages(String permissionName) { 5088 synchronized (mPackages) { 5089 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5090 if (pkgs == null) { 5091 return null; 5092 } 5093 return pkgs.toArray(new String[pkgs.size()]); 5094 } 5095 } 5096 5097 @Override 5098 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5099 int flags, int userId) { 5100 try { 5101 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5102 5103 if (!sUserManager.exists(userId)) return null; 5104 flags = updateFlagsForResolve(flags, userId, intent); 5105 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5106 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5107 5108 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5109 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5110 flags, userId); 5111 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5112 5113 final ResolveInfo bestChoice = 5114 chooseBestActivity(intent, resolvedType, flags, query, userId); 5115 return bestChoice; 5116 } finally { 5117 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5118 } 5119 } 5120 5121 @Override 5122 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5123 IntentFilter filter, int match, ComponentName activity) { 5124 final int userId = UserHandle.getCallingUserId(); 5125 if (DEBUG_PREFERRED) { 5126 Log.v(TAG, "setLastChosenActivity intent=" + intent 5127 + " resolvedType=" + resolvedType 5128 + " flags=" + flags 5129 + " filter=" + filter 5130 + " match=" + match 5131 + " activity=" + activity); 5132 filter.dump(new PrintStreamPrinter(System.out), " "); 5133 } 5134 intent.setComponent(null); 5135 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5136 userId); 5137 // Find any earlier preferred or last chosen entries and nuke them 5138 findPreferredActivity(intent, resolvedType, 5139 flags, query, 0, false, true, false, userId); 5140 // Add the new activity as the last chosen for this filter 5141 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5142 "Setting last chosen"); 5143 } 5144 5145 @Override 5146 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5147 final int userId = UserHandle.getCallingUserId(); 5148 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5149 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5150 userId); 5151 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5152 false, false, false, userId); 5153 } 5154 5155 private boolean isEphemeralDisabled() { 5156 // ephemeral apps have been disabled across the board 5157 if (DISABLE_EPHEMERAL_APPS) { 5158 return true; 5159 } 5160 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5161 if (!mSystemReady) { 5162 return true; 5163 } 5164 // we can't get a content resolver until the system is ready; these checks must happen last 5165 final ContentResolver resolver = mContext.getContentResolver(); 5166 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5167 return true; 5168 } 5169 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5170 } 5171 5172 private boolean isEphemeralAllowed( 5173 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5174 boolean skipPackageCheck) { 5175 // Short circuit and return early if possible. 5176 if (isEphemeralDisabled()) { 5177 return false; 5178 } 5179 final int callingUser = UserHandle.getCallingUserId(); 5180 if (callingUser != UserHandle.USER_SYSTEM) { 5181 return false; 5182 } 5183 if (mEphemeralResolverConnection == null) { 5184 return false; 5185 } 5186 if (mEphemeralInstallerComponent == null) { 5187 return false; 5188 } 5189 if (intent.getComponent() != null) { 5190 return false; 5191 } 5192 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5193 return false; 5194 } 5195 if (!skipPackageCheck && intent.getPackage() != null) { 5196 return false; 5197 } 5198 final boolean isWebUri = hasWebURI(intent); 5199 if (!isWebUri || intent.getData().getHost() == null) { 5200 return false; 5201 } 5202 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5203 synchronized (mPackages) { 5204 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5205 for (int n = 0; n < count; n++) { 5206 ResolveInfo info = resolvedActivities.get(n); 5207 String packageName = info.activityInfo.packageName; 5208 PackageSetting ps = mSettings.mPackages.get(packageName); 5209 if (ps != null) { 5210 // Try to get the status from User settings first 5211 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5212 int status = (int) (packedStatus >> 32); 5213 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5214 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5215 if (DEBUG_EPHEMERAL) { 5216 Slog.v(TAG, "DENY ephemeral apps;" 5217 + " pkg: " + packageName + ", status: " + status); 5218 } 5219 return false; 5220 } 5221 } 5222 } 5223 } 5224 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5225 return true; 5226 } 5227 5228 private void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 5229 Intent origIntent, String resolvedType, Intent launchIntent, String callingPackage, 5230 int userId) { 5231 final Message msg = mHandler.obtainMessage(EPHEMERAL_RESOLUTION_PHASE_TWO, 5232 new EphemeralRequest(responseObj, origIntent, resolvedType, launchIntent, 5233 callingPackage, userId)); 5234 mHandler.sendMessage(msg); 5235 } 5236 5237 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5238 int flags, List<ResolveInfo> query, int userId) { 5239 if (query != null) { 5240 final int N = query.size(); 5241 if (N == 1) { 5242 return query.get(0); 5243 } else if (N > 1) { 5244 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5245 // If there is more than one activity with the same priority, 5246 // then let the user decide between them. 5247 ResolveInfo r0 = query.get(0); 5248 ResolveInfo r1 = query.get(1); 5249 if (DEBUG_INTENT_MATCHING || debug) { 5250 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5251 + r1.activityInfo.name + "=" + r1.priority); 5252 } 5253 // If the first activity has a higher priority, or a different 5254 // default, then it is always desirable to pick it. 5255 if (r0.priority != r1.priority 5256 || r0.preferredOrder != r1.preferredOrder 5257 || r0.isDefault != r1.isDefault) { 5258 return query.get(0); 5259 } 5260 // If we have saved a preference for a preferred activity for 5261 // this Intent, use that. 5262 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5263 flags, query, r0.priority, true, false, debug, userId); 5264 if (ri != null) { 5265 return ri; 5266 } 5267 ri = new ResolveInfo(mResolveInfo); 5268 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5269 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5270 // If all of the options come from the same package, show the application's 5271 // label and icon instead of the generic resolver's. 5272 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5273 // and then throw away the ResolveInfo itself, meaning that the caller loses 5274 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5275 // a fallback for this case; we only set the target package's resources on 5276 // the ResolveInfo, not the ActivityInfo. 5277 final String intentPackage = intent.getPackage(); 5278 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5279 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5280 ri.resolvePackageName = intentPackage; 5281 if (userNeedsBadging(userId)) { 5282 ri.noResourceId = true; 5283 } else { 5284 ri.icon = appi.icon; 5285 } 5286 ri.iconResourceId = appi.icon; 5287 ri.labelRes = appi.labelRes; 5288 } 5289 ri.activityInfo.applicationInfo = new ApplicationInfo( 5290 ri.activityInfo.applicationInfo); 5291 if (userId != 0) { 5292 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5293 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5294 } 5295 // Make sure that the resolver is displayable in car mode 5296 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5297 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5298 return ri; 5299 } 5300 } 5301 return null; 5302 } 5303 5304 /** 5305 * Return true if the given list is not empty and all of its contents have 5306 * an activityInfo with the given package name. 5307 */ 5308 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5309 if (ArrayUtils.isEmpty(list)) { 5310 return false; 5311 } 5312 for (int i = 0, N = list.size(); i < N; i++) { 5313 final ResolveInfo ri = list.get(i); 5314 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5315 if (ai == null || !packageName.equals(ai.packageName)) { 5316 return false; 5317 } 5318 } 5319 return true; 5320 } 5321 5322 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5323 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5324 final int N = query.size(); 5325 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5326 .get(userId); 5327 // Get the list of persistent preferred activities that handle the intent 5328 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5329 List<PersistentPreferredActivity> pprefs = ppir != null 5330 ? ppir.queryIntent(intent, resolvedType, 5331 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5332 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5333 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5334 : null; 5335 if (pprefs != null && pprefs.size() > 0) { 5336 final int M = pprefs.size(); 5337 for (int i=0; i<M; i++) { 5338 final PersistentPreferredActivity ppa = pprefs.get(i); 5339 if (DEBUG_PREFERRED || debug) { 5340 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5341 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5342 + "\n component=" + ppa.mComponent); 5343 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5344 } 5345 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5346 flags | MATCH_DISABLED_COMPONENTS, userId); 5347 if (DEBUG_PREFERRED || debug) { 5348 Slog.v(TAG, "Found persistent preferred activity:"); 5349 if (ai != null) { 5350 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5351 } else { 5352 Slog.v(TAG, " null"); 5353 } 5354 } 5355 if (ai == null) { 5356 // This previously registered persistent preferred activity 5357 // component is no longer known. Ignore it and do NOT remove it. 5358 continue; 5359 } 5360 for (int j=0; j<N; j++) { 5361 final ResolveInfo ri = query.get(j); 5362 if (!ri.activityInfo.applicationInfo.packageName 5363 .equals(ai.applicationInfo.packageName)) { 5364 continue; 5365 } 5366 if (!ri.activityInfo.name.equals(ai.name)) { 5367 continue; 5368 } 5369 // Found a persistent preference that can handle the intent. 5370 if (DEBUG_PREFERRED || debug) { 5371 Slog.v(TAG, "Returning persistent preferred activity: " + 5372 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5373 } 5374 return ri; 5375 } 5376 } 5377 } 5378 return null; 5379 } 5380 5381 // TODO: handle preferred activities missing while user has amnesia 5382 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5383 List<ResolveInfo> query, int priority, boolean always, 5384 boolean removeMatches, boolean debug, int userId) { 5385 if (!sUserManager.exists(userId)) return null; 5386 flags = updateFlagsForResolve(flags, userId, intent); 5387 // writer 5388 synchronized (mPackages) { 5389 if (intent.getSelector() != null) { 5390 intent = intent.getSelector(); 5391 } 5392 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5393 5394 // Try to find a matching persistent preferred activity. 5395 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5396 debug, userId); 5397 5398 // If a persistent preferred activity matched, use it. 5399 if (pri != null) { 5400 return pri; 5401 } 5402 5403 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5404 // Get the list of preferred activities that handle the intent 5405 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5406 List<PreferredActivity> prefs = pir != null 5407 ? pir.queryIntent(intent, resolvedType, 5408 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5409 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5410 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5411 : null; 5412 if (prefs != null && prefs.size() > 0) { 5413 boolean changed = false; 5414 try { 5415 // First figure out how good the original match set is. 5416 // We will only allow preferred activities that came 5417 // from the same match quality. 5418 int match = 0; 5419 5420 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5421 5422 final int N = query.size(); 5423 for (int j=0; j<N; j++) { 5424 final ResolveInfo ri = query.get(j); 5425 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5426 + ": 0x" + Integer.toHexString(match)); 5427 if (ri.match > match) { 5428 match = ri.match; 5429 } 5430 } 5431 5432 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5433 + Integer.toHexString(match)); 5434 5435 match &= IntentFilter.MATCH_CATEGORY_MASK; 5436 final int M = prefs.size(); 5437 for (int i=0; i<M; i++) { 5438 final PreferredActivity pa = prefs.get(i); 5439 if (DEBUG_PREFERRED || debug) { 5440 Slog.v(TAG, "Checking PreferredActivity ds=" 5441 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5442 + "\n component=" + pa.mPref.mComponent); 5443 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5444 } 5445 if (pa.mPref.mMatch != match) { 5446 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5447 + Integer.toHexString(pa.mPref.mMatch)); 5448 continue; 5449 } 5450 // If it's not an "always" type preferred activity and that's what we're 5451 // looking for, skip it. 5452 if (always && !pa.mPref.mAlways) { 5453 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5454 continue; 5455 } 5456 final ActivityInfo ai = getActivityInfo( 5457 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5458 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5459 userId); 5460 if (DEBUG_PREFERRED || debug) { 5461 Slog.v(TAG, "Found preferred activity:"); 5462 if (ai != null) { 5463 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5464 } else { 5465 Slog.v(TAG, " null"); 5466 } 5467 } 5468 if (ai == null) { 5469 // This previously registered preferred activity 5470 // component is no longer known. Most likely an update 5471 // to the app was installed and in the new version this 5472 // component no longer exists. Clean it up by removing 5473 // it from the preferred activities list, and skip it. 5474 Slog.w(TAG, "Removing dangling preferred activity: " 5475 + pa.mPref.mComponent); 5476 pir.removeFilter(pa); 5477 changed = true; 5478 continue; 5479 } 5480 for (int j=0; j<N; j++) { 5481 final ResolveInfo ri = query.get(j); 5482 if (!ri.activityInfo.applicationInfo.packageName 5483 .equals(ai.applicationInfo.packageName)) { 5484 continue; 5485 } 5486 if (!ri.activityInfo.name.equals(ai.name)) { 5487 continue; 5488 } 5489 5490 if (removeMatches) { 5491 pir.removeFilter(pa); 5492 changed = true; 5493 if (DEBUG_PREFERRED) { 5494 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5495 } 5496 break; 5497 } 5498 5499 // Okay we found a previously set preferred or last chosen app. 5500 // If the result set is different from when this 5501 // was created, we need to clear it and re-ask the 5502 // user their preference, if we're looking for an "always" type entry. 5503 if (always && !pa.mPref.sameSet(query)) { 5504 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5505 + intent + " type " + resolvedType); 5506 if (DEBUG_PREFERRED) { 5507 Slog.v(TAG, "Removing preferred activity since set changed " 5508 + pa.mPref.mComponent); 5509 } 5510 pir.removeFilter(pa); 5511 // Re-add the filter as a "last chosen" entry (!always) 5512 PreferredActivity lastChosen = new PreferredActivity( 5513 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5514 pir.addFilter(lastChosen); 5515 changed = true; 5516 return null; 5517 } 5518 5519 // Yay! Either the set matched or we're looking for the last chosen 5520 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5521 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5522 return ri; 5523 } 5524 } 5525 } finally { 5526 if (changed) { 5527 if (DEBUG_PREFERRED) { 5528 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5529 } 5530 scheduleWritePackageRestrictionsLocked(userId); 5531 } 5532 } 5533 } 5534 } 5535 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5536 return null; 5537 } 5538 5539 /* 5540 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5541 */ 5542 @Override 5543 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5544 int targetUserId) { 5545 mContext.enforceCallingOrSelfPermission( 5546 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5547 List<CrossProfileIntentFilter> matches = 5548 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5549 if (matches != null) { 5550 int size = matches.size(); 5551 for (int i = 0; i < size; i++) { 5552 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5553 } 5554 } 5555 if (hasWebURI(intent)) { 5556 // cross-profile app linking works only towards the parent. 5557 final UserInfo parent = getProfileParent(sourceUserId); 5558 synchronized(mPackages) { 5559 int flags = updateFlagsForResolve(0, parent.id, intent); 5560 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5561 intent, resolvedType, flags, sourceUserId, parent.id); 5562 return xpDomainInfo != null; 5563 } 5564 } 5565 return false; 5566 } 5567 5568 private UserInfo getProfileParent(int userId) { 5569 final long identity = Binder.clearCallingIdentity(); 5570 try { 5571 return sUserManager.getProfileParent(userId); 5572 } finally { 5573 Binder.restoreCallingIdentity(identity); 5574 } 5575 } 5576 5577 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5578 String resolvedType, int userId) { 5579 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5580 if (resolver != null) { 5581 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, 5582 false /*visibleToEphemeral*/, false /*isEphemeral*/, userId); 5583 } 5584 return null; 5585 } 5586 5587 @Override 5588 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5589 String resolvedType, int flags, int userId) { 5590 try { 5591 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5592 5593 return new ParceledListSlice<>( 5594 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5595 } finally { 5596 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5597 } 5598 } 5599 5600 /** 5601 * Returns the package name of the calling Uid if it's an ephemeral app. If it isn't 5602 * ephemeral, returns {@code null}. 5603 */ 5604 private String getEphemeralPackageName(int callingUid) { 5605 final int appId = UserHandle.getAppId(callingUid); 5606 synchronized (mPackages) { 5607 final Object obj = mSettings.getUserIdLPr(appId); 5608 if (obj instanceof PackageSetting) { 5609 final PackageSetting ps = (PackageSetting) obj; 5610 return ps.pkg.applicationInfo.isEphemeralApp() ? ps.pkg.packageName : null; 5611 } 5612 } 5613 return null; 5614 } 5615 5616 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5617 String resolvedType, int flags, int userId) { 5618 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5619 final String ephemeralPkgName = getEphemeralPackageName(Binder.getCallingUid()); 5620 flags = updateFlagsForResolve(flags, userId, intent); 5621 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5622 false /* requireFullPermission */, false /* checkShell */, 5623 "query intent activities"); 5624 ComponentName comp = intent.getComponent(); 5625 if (comp == null) { 5626 if (intent.getSelector() != null) { 5627 intent = intent.getSelector(); 5628 comp = intent.getComponent(); 5629 } 5630 } 5631 5632 if (comp != null) { 5633 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5634 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5635 if (ai != null) { 5636 // When specifying an explicit component, we prevent the activity from being 5637 // used when either 1) the calling package is normal and the activity is within 5638 // an ephemeral application or 2) the calling package is ephemeral and the 5639 // activity is not visible to ephemeral applications. 5640 boolean matchEphemeral = 5641 (flags & PackageManager.MATCH_EPHEMERAL) != 0; 5642 boolean ephemeralVisibleOnly = 5643 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 5644 boolean blockResolution = 5645 (!matchEphemeral && ephemeralPkgName == null 5646 && (ai.applicationInfo.privateFlags 5647 & ApplicationInfo.PRIVATE_FLAG_EPHEMERAL) != 0) 5648 || (ephemeralVisibleOnly && ephemeralPkgName != null 5649 && (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0); 5650 if (!blockResolution) { 5651 final ResolveInfo ri = new ResolveInfo(); 5652 ri.activityInfo = ai; 5653 list.add(ri); 5654 } 5655 } 5656 return list; 5657 } 5658 5659 // reader 5660 boolean sortResult = false; 5661 boolean addEphemeral = false; 5662 List<ResolveInfo> result; 5663 final String pkgName = intent.getPackage(); 5664 synchronized (mPackages) { 5665 if (pkgName == null) { 5666 List<CrossProfileIntentFilter> matchingFilters = 5667 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5668 // Check for results that need to skip the current profile. 5669 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5670 resolvedType, flags, userId); 5671 if (xpResolveInfo != null) { 5672 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5673 xpResult.add(xpResolveInfo); 5674 return filterForEphemeral( 5675 filterIfNotSystemUser(xpResult, userId), ephemeralPkgName); 5676 } 5677 5678 // Check for results in the current profile. 5679 result = filterIfNotSystemUser(mActivities.queryIntent( 5680 intent, resolvedType, flags, userId), userId); 5681 addEphemeral = 5682 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5683 5684 // Check for cross profile results. 5685 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5686 xpResolveInfo = queryCrossProfileIntents( 5687 matchingFilters, intent, resolvedType, flags, userId, 5688 hasNonNegativePriorityResult); 5689 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5690 boolean isVisibleToUser = filterIfNotSystemUser( 5691 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5692 if (isVisibleToUser) { 5693 result.add(xpResolveInfo); 5694 sortResult = true; 5695 } 5696 } 5697 if (hasWebURI(intent)) { 5698 CrossProfileDomainInfo xpDomainInfo = null; 5699 final UserInfo parent = getProfileParent(userId); 5700 if (parent != null) { 5701 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5702 flags, userId, parent.id); 5703 } 5704 if (xpDomainInfo != null) { 5705 if (xpResolveInfo != null) { 5706 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5707 // in the result. 5708 result.remove(xpResolveInfo); 5709 } 5710 if (result.size() == 0 && !addEphemeral) { 5711 // No result in current profile, but found candidate in parent user. 5712 // And we are not going to add emphemeral app, so we can return the 5713 // result straight away. 5714 result.add(xpDomainInfo.resolveInfo); 5715 return filterForEphemeral(result, ephemeralPkgName); 5716 } 5717 } else if (result.size() <= 1 && !addEphemeral) { 5718 // No result in parent user and <= 1 result in current profile, and we 5719 // are not going to add emphemeral app, so we can return the result without 5720 // further processing. 5721 return filterForEphemeral(result, ephemeralPkgName); 5722 } 5723 // We have more than one candidate (combining results from current and parent 5724 // profile), so we need filtering and sorting. 5725 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5726 intent, flags, result, xpDomainInfo, userId); 5727 sortResult = true; 5728 } 5729 } else { 5730 final PackageParser.Package pkg = mPackages.get(pkgName); 5731 if (pkg != null) { 5732 result = filterForEphemeral(filterIfNotSystemUser( 5733 mActivities.queryIntentForPackage( 5734 intent, resolvedType, flags, pkg.activities, userId), 5735 userId), ephemeralPkgName); 5736 } else { 5737 // the caller wants to resolve for a particular package; however, there 5738 // were no installed results, so, try to find an ephemeral result 5739 addEphemeral = isEphemeralAllowed( 5740 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5741 result = new ArrayList<ResolveInfo>(); 5742 } 5743 } 5744 } 5745 if (addEphemeral) { 5746 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5747 final EphemeralRequest requestObject = new EphemeralRequest( 5748 null /*responseObj*/, intent /*origIntent*/, resolvedType, 5749 null /*launchIntent*/, null /*callingPackage*/, userId); 5750 final EphemeralResponse intentInfo = EphemeralResolver.doEphemeralResolutionPhaseOne( 5751 mContext, mEphemeralResolverConnection, requestObject); 5752 if (intentInfo != null) { 5753 if (DEBUG_EPHEMERAL) { 5754 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5755 } 5756 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5757 ephemeralInstaller.ephemeralResponse = intentInfo; 5758 // make sure this resolver is the default 5759 ephemeralInstaller.isDefault = true; 5760 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5761 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5762 // add a non-generic filter 5763 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5764 ephemeralInstaller.filter.addDataPath( 5765 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5766 result.add(ephemeralInstaller); 5767 } 5768 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5769 } 5770 if (sortResult) { 5771 Collections.sort(result, mResolvePrioritySorter); 5772 } 5773 return filterForEphemeral(result, ephemeralPkgName); 5774 } 5775 5776 private static class CrossProfileDomainInfo { 5777 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5778 ResolveInfo resolveInfo; 5779 /* Best domain verification status of the activities found in the other profile */ 5780 int bestDomainVerificationStatus; 5781 } 5782 5783 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5784 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5785 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5786 sourceUserId)) { 5787 return null; 5788 } 5789 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5790 resolvedType, flags, parentUserId); 5791 5792 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5793 return null; 5794 } 5795 CrossProfileDomainInfo result = null; 5796 int size = resultTargetUser.size(); 5797 for (int i = 0; i < size; i++) { 5798 ResolveInfo riTargetUser = resultTargetUser.get(i); 5799 // Intent filter verification is only for filters that specify a host. So don't return 5800 // those that handle all web uris. 5801 if (riTargetUser.handleAllWebDataURI) { 5802 continue; 5803 } 5804 String packageName = riTargetUser.activityInfo.packageName; 5805 PackageSetting ps = mSettings.mPackages.get(packageName); 5806 if (ps == null) { 5807 continue; 5808 } 5809 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5810 int status = (int)(verificationState >> 32); 5811 if (result == null) { 5812 result = new CrossProfileDomainInfo(); 5813 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5814 sourceUserId, parentUserId); 5815 result.bestDomainVerificationStatus = status; 5816 } else { 5817 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5818 result.bestDomainVerificationStatus); 5819 } 5820 } 5821 // Don't consider matches with status NEVER across profiles. 5822 if (result != null && result.bestDomainVerificationStatus 5823 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5824 return null; 5825 } 5826 return result; 5827 } 5828 5829 /** 5830 * Verification statuses are ordered from the worse to the best, except for 5831 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5832 */ 5833 private int bestDomainVerificationStatus(int status1, int status2) { 5834 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5835 return status2; 5836 } 5837 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5838 return status1; 5839 } 5840 return (int) MathUtils.max(status1, status2); 5841 } 5842 5843 private boolean isUserEnabled(int userId) { 5844 long callingId = Binder.clearCallingIdentity(); 5845 try { 5846 UserInfo userInfo = sUserManager.getUserInfo(userId); 5847 return userInfo != null && userInfo.isEnabled(); 5848 } finally { 5849 Binder.restoreCallingIdentity(callingId); 5850 } 5851 } 5852 5853 /** 5854 * Filter out activities with systemUserOnly flag set, when current user is not System. 5855 * 5856 * @return filtered list 5857 */ 5858 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5859 if (userId == UserHandle.USER_SYSTEM) { 5860 return resolveInfos; 5861 } 5862 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5863 ResolveInfo info = resolveInfos.get(i); 5864 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5865 resolveInfos.remove(i); 5866 } 5867 } 5868 return resolveInfos; 5869 } 5870 5871 /** 5872 * Filters out ephemeral activities. 5873 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 5874 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 5875 * 5876 * @param resolveInfos The pre-filtered list of resolved activities 5877 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 5878 * is performed. 5879 * @return A filtered list of resolved activities. 5880 */ 5881 private List<ResolveInfo> filterForEphemeral(List<ResolveInfo> resolveInfos, 5882 String ephemeralPkgName) { 5883 if (ephemeralPkgName == null) { 5884 return resolveInfos; 5885 } 5886 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5887 ResolveInfo info = resolveInfos.get(i); 5888 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isEphemeralApp(); 5889 // allow activities that are defined in the provided package 5890 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 5891 continue; 5892 } 5893 // allow activities that have been explicitly exposed to ephemeral apps 5894 if (!isEphemeralApp 5895 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 5896 continue; 5897 } 5898 resolveInfos.remove(i); 5899 } 5900 return resolveInfos; 5901 } 5902 5903 /** 5904 * @param resolveInfos list of resolve infos in descending priority order 5905 * @return if the list contains a resolve info with non-negative priority 5906 */ 5907 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5908 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5909 } 5910 5911 private static boolean hasWebURI(Intent intent) { 5912 if (intent.getData() == null) { 5913 return false; 5914 } 5915 final String scheme = intent.getScheme(); 5916 if (TextUtils.isEmpty(scheme)) { 5917 return false; 5918 } 5919 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5920 } 5921 5922 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5923 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5924 int userId) { 5925 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5926 5927 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5928 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5929 candidates.size()); 5930 } 5931 5932 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5933 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5934 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5935 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5936 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5937 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5938 5939 synchronized (mPackages) { 5940 final int count = candidates.size(); 5941 // First, try to use linked apps. Partition the candidates into four lists: 5942 // one for the final results, one for the "do not use ever", one for "undefined status" 5943 // and finally one for "browser app type". 5944 for (int n=0; n<count; n++) { 5945 ResolveInfo info = candidates.get(n); 5946 String packageName = info.activityInfo.packageName; 5947 PackageSetting ps = mSettings.mPackages.get(packageName); 5948 if (ps != null) { 5949 // Add to the special match all list (Browser use case) 5950 if (info.handleAllWebDataURI) { 5951 matchAllList.add(info); 5952 continue; 5953 } 5954 // Try to get the status from User settings first 5955 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5956 int status = (int)(packedStatus >> 32); 5957 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5958 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5959 if (DEBUG_DOMAIN_VERIFICATION) { 5960 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5961 + " : linkgen=" + linkGeneration); 5962 } 5963 // Use link-enabled generation as preferredOrder, i.e. 5964 // prefer newly-enabled over earlier-enabled. 5965 info.preferredOrder = linkGeneration; 5966 alwaysList.add(info); 5967 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5968 if (DEBUG_DOMAIN_VERIFICATION) { 5969 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5970 } 5971 neverList.add(info); 5972 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5973 if (DEBUG_DOMAIN_VERIFICATION) { 5974 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5975 } 5976 alwaysAskList.add(info); 5977 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5978 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5979 if (DEBUG_DOMAIN_VERIFICATION) { 5980 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5981 } 5982 undefinedList.add(info); 5983 } 5984 } 5985 } 5986 5987 // We'll want to include browser possibilities in a few cases 5988 boolean includeBrowser = false; 5989 5990 // First try to add the "always" resolution(s) for the current user, if any 5991 if (alwaysList.size() > 0) { 5992 result.addAll(alwaysList); 5993 } else { 5994 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5995 result.addAll(undefinedList); 5996 // Maybe add one for the other profile. 5997 if (xpDomainInfo != null && ( 5998 xpDomainInfo.bestDomainVerificationStatus 5999 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6000 result.add(xpDomainInfo.resolveInfo); 6001 } 6002 includeBrowser = true; 6003 } 6004 6005 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6006 // If there were 'always' entries their preferred order has been set, so we also 6007 // back that off to make the alternatives equivalent 6008 if (alwaysAskList.size() > 0) { 6009 for (ResolveInfo i : result) { 6010 i.preferredOrder = 0; 6011 } 6012 result.addAll(alwaysAskList); 6013 includeBrowser = true; 6014 } 6015 6016 if (includeBrowser) { 6017 // Also add browsers (all of them or only the default one) 6018 if (DEBUG_DOMAIN_VERIFICATION) { 6019 Slog.v(TAG, " ...including browsers in candidate set"); 6020 } 6021 if ((matchFlags & MATCH_ALL) != 0) { 6022 result.addAll(matchAllList); 6023 } else { 6024 // Browser/generic handling case. If there's a default browser, go straight 6025 // to that (but only if there is no other higher-priority match). 6026 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6027 int maxMatchPrio = 0; 6028 ResolveInfo defaultBrowserMatch = null; 6029 final int numCandidates = matchAllList.size(); 6030 for (int n = 0; n < numCandidates; n++) { 6031 ResolveInfo info = matchAllList.get(n); 6032 // track the highest overall match priority... 6033 if (info.priority > maxMatchPrio) { 6034 maxMatchPrio = info.priority; 6035 } 6036 // ...and the highest-priority default browser match 6037 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6038 if (defaultBrowserMatch == null 6039 || (defaultBrowserMatch.priority < info.priority)) { 6040 if (debug) { 6041 Slog.v(TAG, "Considering default browser match " + info); 6042 } 6043 defaultBrowserMatch = info; 6044 } 6045 } 6046 } 6047 if (defaultBrowserMatch != null 6048 && defaultBrowserMatch.priority >= maxMatchPrio 6049 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6050 { 6051 if (debug) { 6052 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6053 } 6054 result.add(defaultBrowserMatch); 6055 } else { 6056 result.addAll(matchAllList); 6057 } 6058 } 6059 6060 // If there is nothing selected, add all candidates and remove the ones that the user 6061 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6062 if (result.size() == 0) { 6063 result.addAll(candidates); 6064 result.removeAll(neverList); 6065 } 6066 } 6067 } 6068 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6069 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6070 result.size()); 6071 for (ResolveInfo info : result) { 6072 Slog.v(TAG, " + " + info.activityInfo); 6073 } 6074 } 6075 return result; 6076 } 6077 6078 // Returns a packed value as a long: 6079 // 6080 // high 'int'-sized word: link status: undefined/ask/never/always. 6081 // low 'int'-sized word: relative priority among 'always' results. 6082 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6083 long result = ps.getDomainVerificationStatusForUser(userId); 6084 // if none available, get the master status 6085 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6086 if (ps.getIntentFilterVerificationInfo() != null) { 6087 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6088 } 6089 } 6090 return result; 6091 } 6092 6093 private ResolveInfo querySkipCurrentProfileIntents( 6094 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6095 int flags, int sourceUserId) { 6096 if (matchingFilters != null) { 6097 int size = matchingFilters.size(); 6098 for (int i = 0; i < size; i ++) { 6099 CrossProfileIntentFilter filter = matchingFilters.get(i); 6100 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6101 // Checking if there are activities in the target user that can handle the 6102 // intent. 6103 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6104 resolvedType, flags, sourceUserId); 6105 if (resolveInfo != null) { 6106 return resolveInfo; 6107 } 6108 } 6109 } 6110 } 6111 return null; 6112 } 6113 6114 // Return matching ResolveInfo in target user if any. 6115 private ResolveInfo queryCrossProfileIntents( 6116 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6117 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6118 if (matchingFilters != null) { 6119 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6120 // match the same intent. For performance reasons, it is better not to 6121 // run queryIntent twice for the same userId 6122 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6123 int size = matchingFilters.size(); 6124 for (int i = 0; i < size; i++) { 6125 CrossProfileIntentFilter filter = matchingFilters.get(i); 6126 int targetUserId = filter.getTargetUserId(); 6127 boolean skipCurrentProfile = 6128 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6129 boolean skipCurrentProfileIfNoMatchFound = 6130 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6131 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6132 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6133 // Checking if there are activities in the target user that can handle the 6134 // intent. 6135 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6136 resolvedType, flags, sourceUserId); 6137 if (resolveInfo != null) return resolveInfo; 6138 alreadyTriedUserIds.put(targetUserId, true); 6139 } 6140 } 6141 } 6142 return null; 6143 } 6144 6145 /** 6146 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6147 * will forward the intent to the filter's target user. 6148 * Otherwise, returns null. 6149 */ 6150 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6151 String resolvedType, int flags, int sourceUserId) { 6152 int targetUserId = filter.getTargetUserId(); 6153 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6154 resolvedType, flags, targetUserId); 6155 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6156 // If all the matches in the target profile are suspended, return null. 6157 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6158 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6159 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6160 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6161 targetUserId); 6162 } 6163 } 6164 } 6165 return null; 6166 } 6167 6168 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6169 int sourceUserId, int targetUserId) { 6170 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6171 long ident = Binder.clearCallingIdentity(); 6172 boolean targetIsProfile; 6173 try { 6174 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6175 } finally { 6176 Binder.restoreCallingIdentity(ident); 6177 } 6178 String className; 6179 if (targetIsProfile) { 6180 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6181 } else { 6182 className = FORWARD_INTENT_TO_PARENT; 6183 } 6184 ComponentName forwardingActivityComponentName = new ComponentName( 6185 mAndroidApplication.packageName, className); 6186 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6187 sourceUserId); 6188 if (!targetIsProfile) { 6189 forwardingActivityInfo.showUserIcon = targetUserId; 6190 forwardingResolveInfo.noResourceId = true; 6191 } 6192 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6193 forwardingResolveInfo.priority = 0; 6194 forwardingResolveInfo.preferredOrder = 0; 6195 forwardingResolveInfo.match = 0; 6196 forwardingResolveInfo.isDefault = true; 6197 forwardingResolveInfo.filter = filter; 6198 forwardingResolveInfo.targetUserId = targetUserId; 6199 return forwardingResolveInfo; 6200 } 6201 6202 @Override 6203 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6204 Intent[] specifics, String[] specificTypes, Intent intent, 6205 String resolvedType, int flags, int userId) { 6206 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6207 specificTypes, intent, resolvedType, flags, userId)); 6208 } 6209 6210 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6211 Intent[] specifics, String[] specificTypes, Intent intent, 6212 String resolvedType, int flags, int userId) { 6213 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6214 flags = updateFlagsForResolve(flags, userId, intent); 6215 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6216 false /* requireFullPermission */, false /* checkShell */, 6217 "query intent activity options"); 6218 final String resultsAction = intent.getAction(); 6219 6220 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6221 | PackageManager.GET_RESOLVED_FILTER, userId); 6222 6223 if (DEBUG_INTENT_MATCHING) { 6224 Log.v(TAG, "Query " + intent + ": " + results); 6225 } 6226 6227 int specificsPos = 0; 6228 int N; 6229 6230 // todo: note that the algorithm used here is O(N^2). This 6231 // isn't a problem in our current environment, but if we start running 6232 // into situations where we have more than 5 or 10 matches then this 6233 // should probably be changed to something smarter... 6234 6235 // First we go through and resolve each of the specific items 6236 // that were supplied, taking care of removing any corresponding 6237 // duplicate items in the generic resolve list. 6238 if (specifics != null) { 6239 for (int i=0; i<specifics.length; i++) { 6240 final Intent sintent = specifics[i]; 6241 if (sintent == null) { 6242 continue; 6243 } 6244 6245 if (DEBUG_INTENT_MATCHING) { 6246 Log.v(TAG, "Specific #" + i + ": " + sintent); 6247 } 6248 6249 String action = sintent.getAction(); 6250 if (resultsAction != null && resultsAction.equals(action)) { 6251 // If this action was explicitly requested, then don't 6252 // remove things that have it. 6253 action = null; 6254 } 6255 6256 ResolveInfo ri = null; 6257 ActivityInfo ai = null; 6258 6259 ComponentName comp = sintent.getComponent(); 6260 if (comp == null) { 6261 ri = resolveIntent( 6262 sintent, 6263 specificTypes != null ? specificTypes[i] : null, 6264 flags, userId); 6265 if (ri == null) { 6266 continue; 6267 } 6268 if (ri == mResolveInfo) { 6269 // ACK! Must do something better with this. 6270 } 6271 ai = ri.activityInfo; 6272 comp = new ComponentName(ai.applicationInfo.packageName, 6273 ai.name); 6274 } else { 6275 ai = getActivityInfo(comp, flags, userId); 6276 if (ai == null) { 6277 continue; 6278 } 6279 } 6280 6281 // Look for any generic query activities that are duplicates 6282 // of this specific one, and remove them from the results. 6283 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6284 N = results.size(); 6285 int j; 6286 for (j=specificsPos; j<N; j++) { 6287 ResolveInfo sri = results.get(j); 6288 if ((sri.activityInfo.name.equals(comp.getClassName()) 6289 && sri.activityInfo.applicationInfo.packageName.equals( 6290 comp.getPackageName())) 6291 || (action != null && sri.filter.matchAction(action))) { 6292 results.remove(j); 6293 if (DEBUG_INTENT_MATCHING) Log.v( 6294 TAG, "Removing duplicate item from " + j 6295 + " due to specific " + specificsPos); 6296 if (ri == null) { 6297 ri = sri; 6298 } 6299 j--; 6300 N--; 6301 } 6302 } 6303 6304 // Add this specific item to its proper place. 6305 if (ri == null) { 6306 ri = new ResolveInfo(); 6307 ri.activityInfo = ai; 6308 } 6309 results.add(specificsPos, ri); 6310 ri.specificIndex = i; 6311 specificsPos++; 6312 } 6313 } 6314 6315 // Now we go through the remaining generic results and remove any 6316 // duplicate actions that are found here. 6317 N = results.size(); 6318 for (int i=specificsPos; i<N-1; i++) { 6319 final ResolveInfo rii = results.get(i); 6320 if (rii.filter == null) { 6321 continue; 6322 } 6323 6324 // Iterate over all of the actions of this result's intent 6325 // filter... typically this should be just one. 6326 final Iterator<String> it = rii.filter.actionsIterator(); 6327 if (it == null) { 6328 continue; 6329 } 6330 while (it.hasNext()) { 6331 final String action = it.next(); 6332 if (resultsAction != null && resultsAction.equals(action)) { 6333 // If this action was explicitly requested, then don't 6334 // remove things that have it. 6335 continue; 6336 } 6337 for (int j=i+1; j<N; j++) { 6338 final ResolveInfo rij = results.get(j); 6339 if (rij.filter != null && rij.filter.hasAction(action)) { 6340 results.remove(j); 6341 if (DEBUG_INTENT_MATCHING) Log.v( 6342 TAG, "Removing duplicate item from " + j 6343 + " due to action " + action + " at " + i); 6344 j--; 6345 N--; 6346 } 6347 } 6348 } 6349 6350 // If the caller didn't request filter information, drop it now 6351 // so we don't have to marshall/unmarshall it. 6352 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6353 rii.filter = null; 6354 } 6355 } 6356 6357 // Filter out the caller activity if so requested. 6358 if (caller != null) { 6359 N = results.size(); 6360 for (int i=0; i<N; i++) { 6361 ActivityInfo ainfo = results.get(i).activityInfo; 6362 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6363 && caller.getClassName().equals(ainfo.name)) { 6364 results.remove(i); 6365 break; 6366 } 6367 } 6368 } 6369 6370 // If the caller didn't request filter information, 6371 // drop them now so we don't have to 6372 // marshall/unmarshall it. 6373 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6374 N = results.size(); 6375 for (int i=0; i<N; i++) { 6376 results.get(i).filter = null; 6377 } 6378 } 6379 6380 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6381 return results; 6382 } 6383 6384 @Override 6385 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6386 String resolvedType, int flags, int userId) { 6387 return new ParceledListSlice<>( 6388 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6389 } 6390 6391 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6392 String resolvedType, int flags, int userId) { 6393 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6394 flags = updateFlagsForResolve(flags, userId, intent); 6395 ComponentName comp = intent.getComponent(); 6396 if (comp == null) { 6397 if (intent.getSelector() != null) { 6398 intent = intent.getSelector(); 6399 comp = intent.getComponent(); 6400 } 6401 } 6402 if (comp != null) { 6403 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6404 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6405 if (ai != null) { 6406 ResolveInfo ri = new ResolveInfo(); 6407 ri.activityInfo = ai; 6408 list.add(ri); 6409 } 6410 return list; 6411 } 6412 6413 // reader 6414 synchronized (mPackages) { 6415 String pkgName = intent.getPackage(); 6416 if (pkgName == null) { 6417 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6418 } 6419 final PackageParser.Package pkg = mPackages.get(pkgName); 6420 if (pkg != null) { 6421 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6422 userId); 6423 } 6424 return Collections.emptyList(); 6425 } 6426 } 6427 6428 @Override 6429 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6430 if (!sUserManager.exists(userId)) return null; 6431 flags = updateFlagsForResolve(flags, userId, intent); 6432 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6433 if (query != null) { 6434 if (query.size() >= 1) { 6435 // If there is more than one service with the same priority, 6436 // just arbitrarily pick the first one. 6437 return query.get(0); 6438 } 6439 } 6440 return null; 6441 } 6442 6443 @Override 6444 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6445 String resolvedType, int flags, int userId) { 6446 return new ParceledListSlice<>( 6447 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6448 } 6449 6450 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6451 String resolvedType, int flags, int userId) { 6452 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6453 flags = updateFlagsForResolve(flags, userId, intent); 6454 ComponentName comp = intent.getComponent(); 6455 if (comp == null) { 6456 if (intent.getSelector() != null) { 6457 intent = intent.getSelector(); 6458 comp = intent.getComponent(); 6459 } 6460 } 6461 if (comp != null) { 6462 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6463 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6464 if (si != null) { 6465 final ResolveInfo ri = new ResolveInfo(); 6466 ri.serviceInfo = si; 6467 list.add(ri); 6468 } 6469 return list; 6470 } 6471 6472 // reader 6473 synchronized (mPackages) { 6474 String pkgName = intent.getPackage(); 6475 if (pkgName == null) { 6476 return mServices.queryIntent(intent, resolvedType, flags, userId); 6477 } 6478 final PackageParser.Package pkg = mPackages.get(pkgName); 6479 if (pkg != null) { 6480 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6481 userId); 6482 } 6483 return Collections.emptyList(); 6484 } 6485 } 6486 6487 @Override 6488 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6489 String resolvedType, int flags, int userId) { 6490 return new ParceledListSlice<>( 6491 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6492 } 6493 6494 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6495 Intent intent, String resolvedType, int flags, int userId) { 6496 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6497 flags = updateFlagsForResolve(flags, userId, intent); 6498 ComponentName comp = intent.getComponent(); 6499 if (comp == null) { 6500 if (intent.getSelector() != null) { 6501 intent = intent.getSelector(); 6502 comp = intent.getComponent(); 6503 } 6504 } 6505 if (comp != null) { 6506 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6507 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6508 if (pi != null) { 6509 final ResolveInfo ri = new ResolveInfo(); 6510 ri.providerInfo = pi; 6511 list.add(ri); 6512 } 6513 return list; 6514 } 6515 6516 // reader 6517 synchronized (mPackages) { 6518 String pkgName = intent.getPackage(); 6519 if (pkgName == null) { 6520 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6521 } 6522 final PackageParser.Package pkg = mPackages.get(pkgName); 6523 if (pkg != null) { 6524 return mProviders.queryIntentForPackage( 6525 intent, resolvedType, flags, pkg.providers, userId); 6526 } 6527 return Collections.emptyList(); 6528 } 6529 } 6530 6531 @Override 6532 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6533 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6534 flags = updateFlagsForPackage(flags, userId, null); 6535 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6536 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6537 true /* requireFullPermission */, false /* checkShell */, 6538 "get installed packages"); 6539 6540 // writer 6541 synchronized (mPackages) { 6542 ArrayList<PackageInfo> list; 6543 if (listUninstalled) { 6544 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6545 for (PackageSetting ps : mSettings.mPackages.values()) { 6546 final PackageInfo pi; 6547 if (ps.pkg != null) { 6548 pi = generatePackageInfo(ps, flags, userId); 6549 } else { 6550 pi = generatePackageInfo(ps, flags, userId); 6551 } 6552 if (pi != null) { 6553 list.add(pi); 6554 } 6555 } 6556 } else { 6557 list = new ArrayList<PackageInfo>(mPackages.size()); 6558 for (PackageParser.Package p : mPackages.values()) { 6559 final PackageInfo pi = 6560 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6561 if (pi != null) { 6562 list.add(pi); 6563 } 6564 } 6565 } 6566 6567 return new ParceledListSlice<PackageInfo>(list); 6568 } 6569 } 6570 6571 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6572 String[] permissions, boolean[] tmp, int flags, int userId) { 6573 int numMatch = 0; 6574 final PermissionsState permissionsState = ps.getPermissionsState(); 6575 for (int i=0; i<permissions.length; i++) { 6576 final String permission = permissions[i]; 6577 if (permissionsState.hasPermission(permission, userId)) { 6578 tmp[i] = true; 6579 numMatch++; 6580 } else { 6581 tmp[i] = false; 6582 } 6583 } 6584 if (numMatch == 0) { 6585 return; 6586 } 6587 final PackageInfo pi; 6588 if (ps.pkg != null) { 6589 pi = generatePackageInfo(ps, flags, userId); 6590 } else { 6591 pi = generatePackageInfo(ps, flags, userId); 6592 } 6593 // The above might return null in cases of uninstalled apps or install-state 6594 // skew across users/profiles. 6595 if (pi != null) { 6596 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6597 if (numMatch == permissions.length) { 6598 pi.requestedPermissions = permissions; 6599 } else { 6600 pi.requestedPermissions = new String[numMatch]; 6601 numMatch = 0; 6602 for (int i=0; i<permissions.length; i++) { 6603 if (tmp[i]) { 6604 pi.requestedPermissions[numMatch] = permissions[i]; 6605 numMatch++; 6606 } 6607 } 6608 } 6609 } 6610 list.add(pi); 6611 } 6612 } 6613 6614 @Override 6615 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6616 String[] permissions, int flags, int userId) { 6617 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6618 flags = updateFlagsForPackage(flags, userId, permissions); 6619 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6620 true /* requireFullPermission */, false /* checkShell */, 6621 "get packages holding permissions"); 6622 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6623 6624 // writer 6625 synchronized (mPackages) { 6626 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6627 boolean[] tmpBools = new boolean[permissions.length]; 6628 if (listUninstalled) { 6629 for (PackageSetting ps : mSettings.mPackages.values()) { 6630 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6631 userId); 6632 } 6633 } else { 6634 for (PackageParser.Package pkg : mPackages.values()) { 6635 PackageSetting ps = (PackageSetting)pkg.mExtras; 6636 if (ps != null) { 6637 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6638 userId); 6639 } 6640 } 6641 } 6642 6643 return new ParceledListSlice<PackageInfo>(list); 6644 } 6645 } 6646 6647 @Override 6648 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6649 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6650 flags = updateFlagsForApplication(flags, userId, null); 6651 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6652 6653 // writer 6654 synchronized (mPackages) { 6655 ArrayList<ApplicationInfo> list; 6656 if (listUninstalled) { 6657 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6658 for (PackageSetting ps : mSettings.mPackages.values()) { 6659 ApplicationInfo ai; 6660 int effectiveFlags = flags; 6661 if (ps.isSystem()) { 6662 effectiveFlags |= PackageManager.MATCH_ANY_USER; 6663 } 6664 if (ps.pkg != null) { 6665 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 6666 ps.readUserState(userId), userId); 6667 } else { 6668 ai = generateApplicationInfoFromSettingsLPw(ps.name, effectiveFlags, 6669 userId); 6670 } 6671 if (ai != null) { 6672 list.add(ai); 6673 } 6674 } 6675 } else { 6676 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6677 for (PackageParser.Package p : mPackages.values()) { 6678 if (p.mExtras != null) { 6679 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6680 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6681 if (ai != null) { 6682 list.add(ai); 6683 } 6684 } 6685 } 6686 } 6687 6688 return new ParceledListSlice<ApplicationInfo>(list); 6689 } 6690 } 6691 6692 @Override 6693 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6694 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6695 return null; 6696 } 6697 6698 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6699 "getEphemeralApplications"); 6700 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6701 true /* requireFullPermission */, false /* checkShell */, 6702 "getEphemeralApplications"); 6703 synchronized (mPackages) { 6704 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6705 .getEphemeralApplicationsLPw(userId); 6706 if (ephemeralApps != null) { 6707 return new ParceledListSlice<>(ephemeralApps); 6708 } 6709 } 6710 return null; 6711 } 6712 6713 @Override 6714 public boolean isEphemeralApplication(String packageName, int userId) { 6715 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6716 true /* requireFullPermission */, false /* checkShell */, 6717 "isEphemeral"); 6718 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6719 return false; 6720 } 6721 6722 if (!isCallerSameApp(packageName)) { 6723 return false; 6724 } 6725 synchronized (mPackages) { 6726 PackageParser.Package pkg = mPackages.get(packageName); 6727 if (pkg != null) { 6728 return pkg.applicationInfo.isEphemeralApp(); 6729 } 6730 } 6731 return false; 6732 } 6733 6734 @Override 6735 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6736 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6737 return null; 6738 } 6739 6740 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6741 true /* requireFullPermission */, false /* checkShell */, 6742 "getCookie"); 6743 if (!isCallerSameApp(packageName)) { 6744 return null; 6745 } 6746 synchronized (mPackages) { 6747 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6748 packageName, userId); 6749 } 6750 } 6751 6752 @Override 6753 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6754 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6755 return true; 6756 } 6757 6758 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6759 true /* requireFullPermission */, true /* checkShell */, 6760 "setCookie"); 6761 if (!isCallerSameApp(packageName)) { 6762 return false; 6763 } 6764 synchronized (mPackages) { 6765 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6766 packageName, cookie, userId); 6767 } 6768 } 6769 6770 @Override 6771 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6772 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6773 return null; 6774 } 6775 6776 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6777 "getEphemeralApplicationIcon"); 6778 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6779 true /* requireFullPermission */, false /* checkShell */, 6780 "getEphemeralApplicationIcon"); 6781 synchronized (mPackages) { 6782 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6783 packageName, userId); 6784 } 6785 } 6786 6787 private boolean isCallerSameApp(String packageName) { 6788 PackageParser.Package pkg = mPackages.get(packageName); 6789 return pkg != null 6790 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6791 } 6792 6793 @Override 6794 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6795 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6796 } 6797 6798 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6799 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6800 6801 // reader 6802 synchronized (mPackages) { 6803 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6804 final int userId = UserHandle.getCallingUserId(); 6805 while (i.hasNext()) { 6806 final PackageParser.Package p = i.next(); 6807 if (p.applicationInfo == null) continue; 6808 6809 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6810 && !p.applicationInfo.isDirectBootAware(); 6811 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6812 && p.applicationInfo.isDirectBootAware(); 6813 6814 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6815 && (!mSafeMode || isSystemApp(p)) 6816 && (matchesUnaware || matchesAware)) { 6817 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6818 if (ps != null) { 6819 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6820 ps.readUserState(userId), userId); 6821 if (ai != null) { 6822 finalList.add(ai); 6823 } 6824 } 6825 } 6826 } 6827 } 6828 6829 return finalList; 6830 } 6831 6832 @Override 6833 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6834 if (!sUserManager.exists(userId)) return null; 6835 flags = updateFlagsForComponent(flags, userId, name); 6836 // reader 6837 synchronized (mPackages) { 6838 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6839 PackageSetting ps = provider != null 6840 ? mSettings.mPackages.get(provider.owner.packageName) 6841 : null; 6842 return ps != null 6843 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6844 ? PackageParser.generateProviderInfo(provider, flags, 6845 ps.readUserState(userId), userId) 6846 : null; 6847 } 6848 } 6849 6850 /** 6851 * @deprecated 6852 */ 6853 @Deprecated 6854 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6855 // reader 6856 synchronized (mPackages) { 6857 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6858 .entrySet().iterator(); 6859 final int userId = UserHandle.getCallingUserId(); 6860 while (i.hasNext()) { 6861 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6862 PackageParser.Provider p = entry.getValue(); 6863 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6864 6865 if (ps != null && p.syncable 6866 && (!mSafeMode || (p.info.applicationInfo.flags 6867 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6868 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6869 ps.readUserState(userId), userId); 6870 if (info != null) { 6871 outNames.add(entry.getKey()); 6872 outInfo.add(info); 6873 } 6874 } 6875 } 6876 } 6877 } 6878 6879 @Override 6880 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6881 int uid, int flags) { 6882 final int userId = processName != null ? UserHandle.getUserId(uid) 6883 : UserHandle.getCallingUserId(); 6884 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6885 flags = updateFlagsForComponent(flags, userId, processName); 6886 6887 ArrayList<ProviderInfo> finalList = null; 6888 // reader 6889 synchronized (mPackages) { 6890 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6891 while (i.hasNext()) { 6892 final PackageParser.Provider p = i.next(); 6893 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6894 if (ps != null && p.info.authority != null 6895 && (processName == null 6896 || (p.info.processName.equals(processName) 6897 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6898 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6899 if (finalList == null) { 6900 finalList = new ArrayList<ProviderInfo>(3); 6901 } 6902 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6903 ps.readUserState(userId), userId); 6904 if (info != null) { 6905 finalList.add(info); 6906 } 6907 } 6908 } 6909 } 6910 6911 if (finalList != null) { 6912 Collections.sort(finalList, mProviderInitOrderSorter); 6913 return new ParceledListSlice<ProviderInfo>(finalList); 6914 } 6915 6916 return ParceledListSlice.emptyList(); 6917 } 6918 6919 @Override 6920 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6921 // reader 6922 synchronized (mPackages) { 6923 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6924 return PackageParser.generateInstrumentationInfo(i, flags); 6925 } 6926 } 6927 6928 @Override 6929 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6930 String targetPackage, int flags) { 6931 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6932 } 6933 6934 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6935 int flags) { 6936 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6937 6938 // reader 6939 synchronized (mPackages) { 6940 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6941 while (i.hasNext()) { 6942 final PackageParser.Instrumentation p = i.next(); 6943 if (targetPackage == null 6944 || targetPackage.equals(p.info.targetPackage)) { 6945 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6946 flags); 6947 if (ii != null) { 6948 finalList.add(ii); 6949 } 6950 } 6951 } 6952 } 6953 6954 return finalList; 6955 } 6956 6957 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6958 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6959 if (overlays == null) { 6960 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6961 return; 6962 } 6963 for (PackageParser.Package opkg : overlays.values()) { 6964 // Not much to do if idmap fails: we already logged the error 6965 // and we certainly don't want to abort installation of pkg simply 6966 // because an overlay didn't fit properly. For these reasons, 6967 // ignore the return value of createIdmapForPackagePairLI. 6968 createIdmapForPackagePairLI(pkg, opkg); 6969 } 6970 } 6971 6972 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6973 PackageParser.Package opkg) { 6974 if (!opkg.mTrustedOverlay) { 6975 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6976 opkg.baseCodePath + ": overlay not trusted"); 6977 return false; 6978 } 6979 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6980 if (overlaySet == null) { 6981 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6982 opkg.baseCodePath + " but target package has no known overlays"); 6983 return false; 6984 } 6985 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6986 // TODO: generate idmap for split APKs 6987 try { 6988 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6989 } catch (InstallerException e) { 6990 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6991 + opkg.baseCodePath); 6992 return false; 6993 } 6994 PackageParser.Package[] overlayArray = 6995 overlaySet.values().toArray(new PackageParser.Package[0]); 6996 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6997 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6998 return p1.mOverlayPriority - p2.mOverlayPriority; 6999 } 7000 }; 7001 Arrays.sort(overlayArray, cmp); 7002 7003 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 7004 int i = 0; 7005 for (PackageParser.Package p : overlayArray) { 7006 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 7007 } 7008 return true; 7009 } 7010 7011 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7012 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7013 try { 7014 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7015 } finally { 7016 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7017 } 7018 } 7019 7020 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7021 final File[] files = dir.listFiles(); 7022 if (ArrayUtils.isEmpty(files)) { 7023 Log.d(TAG, "No files in app dir " + dir); 7024 return; 7025 } 7026 7027 if (DEBUG_PACKAGE_SCANNING) { 7028 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7029 + " flags=0x" + Integer.toHexString(parseFlags)); 7030 } 7031 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7032 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7033 7034 // Submit files for parsing in parallel 7035 int fileCount = 0; 7036 for (File file : files) { 7037 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7038 && !PackageInstallerService.isStageName(file.getName()); 7039 if (!isPackage) { 7040 // Ignore entries which are not packages 7041 continue; 7042 } 7043 parallelPackageParser.submit(file, parseFlags); 7044 fileCount++; 7045 } 7046 7047 // Process results one by one 7048 for (; fileCount > 0; fileCount--) { 7049 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7050 Throwable throwable = parseResult.throwable; 7051 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7052 7053 if (throwable == null) { 7054 try { 7055 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7056 currentTime, null); 7057 } catch (PackageManagerException e) { 7058 errorCode = e.error; 7059 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7060 } 7061 } else if (throwable instanceof PackageParser.PackageParserException) { 7062 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7063 throwable; 7064 errorCode = e.error; 7065 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7066 } else { 7067 throw new IllegalStateException("Unexpected exception occurred while parsing " 7068 + parseResult.scanFile, throwable); 7069 } 7070 7071 // Delete invalid userdata apps 7072 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7073 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7074 logCriticalInfo(Log.WARN, 7075 "Deleting invalid package at " + parseResult.scanFile); 7076 removeCodePathLI(parseResult.scanFile); 7077 } 7078 } 7079 parallelPackageParser.close(); 7080 } 7081 7082 private static File getSettingsProblemFile() { 7083 File dataDir = Environment.getDataDirectory(); 7084 File systemDir = new File(dataDir, "system"); 7085 File fname = new File(systemDir, "uiderrors.txt"); 7086 return fname; 7087 } 7088 7089 static void reportSettingsProblem(int priority, String msg) { 7090 logCriticalInfo(priority, msg); 7091 } 7092 7093 static void logCriticalInfo(int priority, String msg) { 7094 Slog.println(priority, TAG, msg); 7095 EventLogTags.writePmCriticalInfo(msg); 7096 try { 7097 File fname = getSettingsProblemFile(); 7098 FileOutputStream out = new FileOutputStream(fname, true); 7099 PrintWriter pw = new FastPrintWriter(out); 7100 SimpleDateFormat formatter = new SimpleDateFormat(); 7101 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7102 pw.println(dateString + ": " + msg); 7103 pw.close(); 7104 FileUtils.setPermissions( 7105 fname.toString(), 7106 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7107 -1, -1); 7108 } catch (java.io.IOException e) { 7109 } 7110 } 7111 7112 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7113 if (srcFile.isDirectory()) { 7114 final File baseFile = new File(pkg.baseCodePath); 7115 long maxModifiedTime = baseFile.lastModified(); 7116 if (pkg.splitCodePaths != null) { 7117 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7118 final File splitFile = new File(pkg.splitCodePaths[i]); 7119 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7120 } 7121 } 7122 return maxModifiedTime; 7123 } 7124 return srcFile.lastModified(); 7125 } 7126 7127 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7128 final int policyFlags) throws PackageManagerException { 7129 // When upgrading from pre-N MR1, verify the package time stamp using the package 7130 // directory and not the APK file. 7131 final long lastModifiedTime = mIsPreNMR1Upgrade 7132 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7133 if (ps != null 7134 && ps.codePath.equals(srcFile) 7135 && ps.timeStamp == lastModifiedTime 7136 && !isCompatSignatureUpdateNeeded(pkg) 7137 && !isRecoverSignatureUpdateNeeded(pkg)) { 7138 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7139 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7140 ArraySet<PublicKey> signingKs; 7141 synchronized (mPackages) { 7142 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7143 } 7144 if (ps.signatures.mSignatures != null 7145 && ps.signatures.mSignatures.length != 0 7146 && signingKs != null) { 7147 // Optimization: reuse the existing cached certificates 7148 // if the package appears to be unchanged. 7149 pkg.mSignatures = ps.signatures.mSignatures; 7150 pkg.mSigningKeys = signingKs; 7151 return; 7152 } 7153 7154 Slog.w(TAG, "PackageSetting for " + ps.name 7155 + " is missing signatures. Collecting certs again to recover them."); 7156 } else { 7157 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7158 } 7159 7160 try { 7161 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7162 PackageParser.collectCertificates(pkg, policyFlags); 7163 } catch (PackageParserException e) { 7164 throw PackageManagerException.from(e); 7165 } finally { 7166 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7167 } 7168 } 7169 7170 /** 7171 * Traces a package scan. 7172 * @see #scanPackageLI(File, int, int, long, UserHandle) 7173 */ 7174 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7175 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7176 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7177 try { 7178 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7179 } finally { 7180 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7181 } 7182 } 7183 7184 /** 7185 * Scans a package and returns the newly parsed package. 7186 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7187 */ 7188 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7189 long currentTime, UserHandle user) throws PackageManagerException { 7190 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7191 PackageParser pp = new PackageParser(); 7192 pp.setSeparateProcesses(mSeparateProcesses); 7193 pp.setOnlyCoreApps(mOnlyCore); 7194 pp.setDisplayMetrics(mMetrics); 7195 7196 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7197 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7198 } 7199 7200 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7201 final PackageParser.Package pkg; 7202 try { 7203 pkg = pp.parsePackage(scanFile, parseFlags); 7204 } catch (PackageParserException e) { 7205 throw PackageManagerException.from(e); 7206 } finally { 7207 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7208 } 7209 7210 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7211 } 7212 7213 /** 7214 * Scans a package and returns the newly parsed package. 7215 * @throws PackageManagerException on a parse error. 7216 */ 7217 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7218 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7219 throws PackageManagerException { 7220 // If the package has children and this is the first dive in the function 7221 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7222 // packages (parent and children) would be successfully scanned before the 7223 // actual scan since scanning mutates internal state and we want to atomically 7224 // install the package and its children. 7225 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7226 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7227 scanFlags |= SCAN_CHECK_ONLY; 7228 } 7229 } else { 7230 scanFlags &= ~SCAN_CHECK_ONLY; 7231 } 7232 7233 // Scan the parent 7234 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7235 scanFlags, currentTime, user); 7236 7237 // Scan the children 7238 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7239 for (int i = 0; i < childCount; i++) { 7240 PackageParser.Package childPackage = pkg.childPackages.get(i); 7241 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7242 currentTime, user); 7243 } 7244 7245 7246 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7247 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7248 } 7249 7250 return scannedPkg; 7251 } 7252 7253 /** 7254 * Scans a package and returns the newly parsed package. 7255 * @throws PackageManagerException on a parse error. 7256 */ 7257 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7258 int policyFlags, int scanFlags, long currentTime, UserHandle user) 7259 throws PackageManagerException { 7260 PackageSetting ps = null; 7261 PackageSetting updatedPkg; 7262 // reader 7263 synchronized (mPackages) { 7264 // Look to see if we already know about this package. 7265 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7266 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7267 // This package has been renamed to its original name. Let's 7268 // use that. 7269 ps = mSettings.getPackageLPr(oldName); 7270 } 7271 // If there was no original package, see one for the real package name. 7272 if (ps == null) { 7273 ps = mSettings.getPackageLPr(pkg.packageName); 7274 } 7275 // Check to see if this package could be hiding/updating a system 7276 // package. Must look for it either under the original or real 7277 // package name depending on our state. 7278 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7279 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7280 7281 // If this is a package we don't know about on the system partition, we 7282 // may need to remove disabled child packages on the system partition 7283 // or may need to not add child packages if the parent apk is updated 7284 // on the data partition and no longer defines this child package. 7285 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7286 // If this is a parent package for an updated system app and this system 7287 // app got an OTA update which no longer defines some of the child packages 7288 // we have to prune them from the disabled system packages. 7289 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7290 if (disabledPs != null) { 7291 final int scannedChildCount = (pkg.childPackages != null) 7292 ? pkg.childPackages.size() : 0; 7293 final int disabledChildCount = disabledPs.childPackageNames != null 7294 ? disabledPs.childPackageNames.size() : 0; 7295 for (int i = 0; i < disabledChildCount; i++) { 7296 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7297 boolean disabledPackageAvailable = false; 7298 for (int j = 0; j < scannedChildCount; j++) { 7299 PackageParser.Package childPkg = pkg.childPackages.get(j); 7300 if (childPkg.packageName.equals(disabledChildPackageName)) { 7301 disabledPackageAvailable = true; 7302 break; 7303 } 7304 } 7305 if (!disabledPackageAvailable) { 7306 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7307 } 7308 } 7309 } 7310 } 7311 } 7312 7313 boolean updatedPkgBetter = false; 7314 // First check if this is a system package that may involve an update 7315 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7316 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7317 // it needs to drop FLAG_PRIVILEGED. 7318 if (locationIsPrivileged(scanFile)) { 7319 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7320 } else { 7321 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7322 } 7323 7324 if (ps != null && !ps.codePath.equals(scanFile)) { 7325 // The path has changed from what was last scanned... check the 7326 // version of the new path against what we have stored to determine 7327 // what to do. 7328 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7329 if (pkg.mVersionCode <= ps.versionCode) { 7330 // The system package has been updated and the code path does not match 7331 // Ignore entry. Skip it. 7332 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7333 + " ignored: updated version " + ps.versionCode 7334 + " better than this " + pkg.mVersionCode); 7335 if (!updatedPkg.codePath.equals(scanFile)) { 7336 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7337 + ps.name + " changing from " + updatedPkg.codePathString 7338 + " to " + scanFile); 7339 updatedPkg.codePath = scanFile; 7340 updatedPkg.codePathString = scanFile.toString(); 7341 updatedPkg.resourcePath = scanFile; 7342 updatedPkg.resourcePathString = scanFile.toString(); 7343 } 7344 updatedPkg.pkg = pkg; 7345 updatedPkg.versionCode = pkg.mVersionCode; 7346 7347 // Update the disabled system child packages to point to the package too. 7348 final int childCount = updatedPkg.childPackageNames != null 7349 ? updatedPkg.childPackageNames.size() : 0; 7350 for (int i = 0; i < childCount; i++) { 7351 String childPackageName = updatedPkg.childPackageNames.get(i); 7352 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7353 childPackageName); 7354 if (updatedChildPkg != null) { 7355 updatedChildPkg.pkg = pkg; 7356 updatedChildPkg.versionCode = pkg.mVersionCode; 7357 } 7358 } 7359 7360 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7361 + scanFile + " ignored: updated version " + ps.versionCode 7362 + " better than this " + pkg.mVersionCode); 7363 } else { 7364 // The current app on the system partition is better than 7365 // what we have updated to on the data partition; switch 7366 // back to the system partition version. 7367 // At this point, its safely assumed that package installation for 7368 // apps in system partition will go through. If not there won't be a working 7369 // version of the app 7370 // writer 7371 synchronized (mPackages) { 7372 // Just remove the loaded entries from package lists. 7373 mPackages.remove(ps.name); 7374 } 7375 7376 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7377 + " reverting from " + ps.codePathString 7378 + ": new version " + pkg.mVersionCode 7379 + " better than installed " + ps.versionCode); 7380 7381 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7382 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7383 synchronized (mInstallLock) { 7384 args.cleanUpResourcesLI(); 7385 } 7386 synchronized (mPackages) { 7387 mSettings.enableSystemPackageLPw(ps.name); 7388 } 7389 updatedPkgBetter = true; 7390 } 7391 } 7392 } 7393 7394 if (updatedPkg != null) { 7395 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7396 // initially 7397 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7398 7399 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7400 // flag set initially 7401 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7402 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7403 } 7404 } 7405 7406 // Verify certificates against what was last scanned 7407 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7408 7409 /* 7410 * A new system app appeared, but we already had a non-system one of the 7411 * same name installed earlier. 7412 */ 7413 boolean shouldHideSystemApp = false; 7414 if (updatedPkg == null && ps != null 7415 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7416 /* 7417 * Check to make sure the signatures match first. If they don't, 7418 * wipe the installed application and its data. 7419 */ 7420 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7421 != PackageManager.SIGNATURE_MATCH) { 7422 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7423 + " signatures don't match existing userdata copy; removing"); 7424 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7425 "scanPackageInternalLI")) { 7426 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7427 } 7428 ps = null; 7429 } else { 7430 /* 7431 * If the newly-added system app is an older version than the 7432 * already installed version, hide it. It will be scanned later 7433 * and re-added like an update. 7434 */ 7435 if (pkg.mVersionCode <= ps.versionCode) { 7436 shouldHideSystemApp = true; 7437 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7438 + " but new version " + pkg.mVersionCode + " better than installed " 7439 + ps.versionCode + "; hiding system"); 7440 } else { 7441 /* 7442 * The newly found system app is a newer version that the 7443 * one previously installed. Simply remove the 7444 * already-installed application and replace it with our own 7445 * while keeping the application data. 7446 */ 7447 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7448 + " reverting from " + ps.codePathString + ": new version " 7449 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7450 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7451 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7452 synchronized (mInstallLock) { 7453 args.cleanUpResourcesLI(); 7454 } 7455 } 7456 } 7457 } 7458 7459 // The apk is forward locked (not public) if its code and resources 7460 // are kept in different files. (except for app in either system or 7461 // vendor path). 7462 // TODO grab this value from PackageSettings 7463 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7464 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7465 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7466 } 7467 } 7468 7469 // TODO: extend to support forward-locked splits 7470 String resourcePath = null; 7471 String baseResourcePath = null; 7472 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7473 if (ps != null && ps.resourcePathString != null) { 7474 resourcePath = ps.resourcePathString; 7475 baseResourcePath = ps.resourcePathString; 7476 } else { 7477 // Should not happen at all. Just log an error. 7478 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7479 } 7480 } else { 7481 resourcePath = pkg.codePath; 7482 baseResourcePath = pkg.baseCodePath; 7483 } 7484 7485 // Set application objects path explicitly. 7486 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7487 pkg.setApplicationInfoCodePath(pkg.codePath); 7488 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7489 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7490 pkg.setApplicationInfoResourcePath(resourcePath); 7491 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7492 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7493 7494 // Note that we invoke the following method only if we are about to unpack an application 7495 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7496 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7497 7498 /* 7499 * If the system app should be overridden by a previously installed 7500 * data, hide the system app now and let the /data/app scan pick it up 7501 * again. 7502 */ 7503 if (shouldHideSystemApp) { 7504 synchronized (mPackages) { 7505 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7506 } 7507 } 7508 7509 return scannedPkg; 7510 } 7511 7512 private static String fixProcessName(String defProcessName, 7513 String processName) { 7514 if (processName == null) { 7515 return defProcessName; 7516 } 7517 return processName; 7518 } 7519 7520 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7521 throws PackageManagerException { 7522 if (pkgSetting.signatures.mSignatures != null) { 7523 // Already existing package. Make sure signatures match 7524 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7525 == PackageManager.SIGNATURE_MATCH; 7526 if (!match) { 7527 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7528 == PackageManager.SIGNATURE_MATCH; 7529 } 7530 if (!match) { 7531 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7532 == PackageManager.SIGNATURE_MATCH; 7533 } 7534 if (!match) { 7535 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7536 + pkg.packageName + " signatures do not match the " 7537 + "previously installed version; ignoring!"); 7538 } 7539 } 7540 7541 // Check for shared user signatures 7542 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7543 // Already existing package. Make sure signatures match 7544 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7545 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7546 if (!match) { 7547 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7548 == PackageManager.SIGNATURE_MATCH; 7549 } 7550 if (!match) { 7551 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7552 == PackageManager.SIGNATURE_MATCH; 7553 } 7554 if (!match) { 7555 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7556 "Package " + pkg.packageName 7557 + " has no signatures that match those in shared user " 7558 + pkgSetting.sharedUser.name + "; ignoring!"); 7559 } 7560 } 7561 } 7562 7563 /** 7564 * Enforces that only the system UID or root's UID can call a method exposed 7565 * via Binder. 7566 * 7567 * @param message used as message if SecurityException is thrown 7568 * @throws SecurityException if the caller is not system or root 7569 */ 7570 private static final void enforceSystemOrRoot(String message) { 7571 final int uid = Binder.getCallingUid(); 7572 if (uid != Process.SYSTEM_UID && uid != 0) { 7573 throw new SecurityException(message); 7574 } 7575 } 7576 7577 @Override 7578 public void performFstrimIfNeeded() { 7579 enforceSystemOrRoot("Only the system can request fstrim"); 7580 7581 // Before everything else, see whether we need to fstrim. 7582 try { 7583 IStorageManager sm = PackageHelper.getStorageManager(); 7584 if (sm != null) { 7585 boolean doTrim = false; 7586 final long interval = android.provider.Settings.Global.getLong( 7587 mContext.getContentResolver(), 7588 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7589 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7590 if (interval > 0) { 7591 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 7592 if (timeSinceLast > interval) { 7593 doTrim = true; 7594 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7595 + "; running immediately"); 7596 } 7597 } 7598 if (doTrim) { 7599 final boolean dexOptDialogShown; 7600 synchronized (mPackages) { 7601 dexOptDialogShown = mDexOptDialogShown; 7602 } 7603 if (!isFirstBoot() && dexOptDialogShown) { 7604 try { 7605 ActivityManager.getService().showBootMessage( 7606 mContext.getResources().getString( 7607 R.string.android_upgrading_fstrim), true); 7608 } catch (RemoteException e) { 7609 } 7610 } 7611 sm.runMaintenance(); 7612 } 7613 } else { 7614 Slog.e(TAG, "storageManager service unavailable!"); 7615 } 7616 } catch (RemoteException e) { 7617 // Can't happen; StorageManagerService is local 7618 } 7619 } 7620 7621 @Override 7622 public void updatePackagesIfNeeded() { 7623 enforceSystemOrRoot("Only the system can request package update"); 7624 7625 // We need to re-extract after an OTA. 7626 boolean causeUpgrade = isUpgrade(); 7627 7628 // First boot or factory reset. 7629 // Note: we also handle devices that are upgrading to N right now as if it is their 7630 // first boot, as they do not have profile data. 7631 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7632 7633 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7634 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7635 7636 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7637 return; 7638 } 7639 7640 List<PackageParser.Package> pkgs; 7641 synchronized (mPackages) { 7642 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7643 } 7644 7645 final long startTime = System.nanoTime(); 7646 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7647 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7648 7649 final int elapsedTimeSeconds = 7650 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7651 7652 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7653 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7654 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7655 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7656 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7657 } 7658 7659 /** 7660 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7661 * containing statistics about the invocation. The array consists of three elements, 7662 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7663 * and {@code numberOfPackagesFailed}. 7664 */ 7665 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7666 String compilerFilter) { 7667 7668 int numberOfPackagesVisited = 0; 7669 int numberOfPackagesOptimized = 0; 7670 int numberOfPackagesSkipped = 0; 7671 int numberOfPackagesFailed = 0; 7672 final int numberOfPackagesToDexopt = pkgs.size(); 7673 7674 for (PackageParser.Package pkg : pkgs) { 7675 numberOfPackagesVisited++; 7676 7677 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7678 if (DEBUG_DEXOPT) { 7679 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7680 } 7681 numberOfPackagesSkipped++; 7682 continue; 7683 } 7684 7685 if (DEBUG_DEXOPT) { 7686 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7687 numberOfPackagesToDexopt + ": " + pkg.packageName); 7688 } 7689 7690 if (showDialog) { 7691 try { 7692 ActivityManager.getService().showBootMessage( 7693 mContext.getResources().getString(R.string.android_upgrading_apk, 7694 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7695 } catch (RemoteException e) { 7696 } 7697 synchronized (mPackages) { 7698 mDexOptDialogShown = true; 7699 } 7700 } 7701 7702 // If the OTA updates a system app which was previously preopted to a non-preopted state 7703 // the app might end up being verified at runtime. That's because by default the apps 7704 // are verify-profile but for preopted apps there's no profile. 7705 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7706 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7707 // filter (by default interpret-only). 7708 // Note that at this stage unused apps are already filtered. 7709 if (isSystemApp(pkg) && 7710 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7711 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7712 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7713 } 7714 7715 // checkProfiles is false to avoid merging profiles during boot which 7716 // might interfere with background compilation (b/28612421). 7717 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7718 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7719 // trade-off worth doing to save boot time work. 7720 int dexOptStatus = performDexOptTraced(pkg.packageName, 7721 false /* checkProfiles */, 7722 compilerFilter, 7723 false /* force */); 7724 switch (dexOptStatus) { 7725 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7726 numberOfPackagesOptimized++; 7727 break; 7728 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7729 numberOfPackagesSkipped++; 7730 break; 7731 case PackageDexOptimizer.DEX_OPT_FAILED: 7732 numberOfPackagesFailed++; 7733 break; 7734 default: 7735 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7736 break; 7737 } 7738 } 7739 7740 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7741 numberOfPackagesFailed }; 7742 } 7743 7744 @Override 7745 public void notifyPackageUse(String packageName, int reason) { 7746 synchronized (mPackages) { 7747 PackageParser.Package p = mPackages.get(packageName); 7748 if (p == null) { 7749 return; 7750 } 7751 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7752 } 7753 } 7754 7755 @Override 7756 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 7757 int userId = UserHandle.getCallingUserId(); 7758 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 7759 if (ai == null) { 7760 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 7761 + loadingPackageName + ", user=" + userId); 7762 return; 7763 } 7764 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 7765 } 7766 7767 // TODO: this is not used nor needed. Delete it. 7768 @Override 7769 public boolean performDexOptIfNeeded(String packageName) { 7770 int dexOptStatus = performDexOptTraced(packageName, 7771 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7772 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7773 } 7774 7775 @Override 7776 public boolean performDexOpt(String packageName, 7777 boolean checkProfiles, int compileReason, boolean force) { 7778 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7779 getCompilerFilterForReason(compileReason), force); 7780 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7781 } 7782 7783 @Override 7784 public boolean performDexOptMode(String packageName, 7785 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7786 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7787 targetCompilerFilter, force); 7788 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7789 } 7790 7791 private int performDexOptTraced(String packageName, 7792 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7793 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7794 try { 7795 return performDexOptInternal(packageName, checkProfiles, 7796 targetCompilerFilter, force); 7797 } finally { 7798 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7799 } 7800 } 7801 7802 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7803 // if the package can now be considered up to date for the given filter. 7804 private int performDexOptInternal(String packageName, 7805 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7806 PackageParser.Package p; 7807 synchronized (mPackages) { 7808 p = mPackages.get(packageName); 7809 if (p == null) { 7810 // Package could not be found. Report failure. 7811 return PackageDexOptimizer.DEX_OPT_FAILED; 7812 } 7813 mPackageUsage.maybeWriteAsync(mPackages); 7814 mCompilerStats.maybeWriteAsync(); 7815 } 7816 long callingId = Binder.clearCallingIdentity(); 7817 try { 7818 synchronized (mInstallLock) { 7819 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7820 targetCompilerFilter, force); 7821 } 7822 } finally { 7823 Binder.restoreCallingIdentity(callingId); 7824 } 7825 } 7826 7827 public ArraySet<String> getOptimizablePackages() { 7828 ArraySet<String> pkgs = new ArraySet<String>(); 7829 synchronized (mPackages) { 7830 for (PackageParser.Package p : mPackages.values()) { 7831 if (PackageDexOptimizer.canOptimizePackage(p)) { 7832 pkgs.add(p.packageName); 7833 } 7834 } 7835 } 7836 return pkgs; 7837 } 7838 7839 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7840 boolean checkProfiles, String targetCompilerFilter, 7841 boolean force) { 7842 // Select the dex optimizer based on the force parameter. 7843 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7844 // allocate an object here. 7845 PackageDexOptimizer pdo = force 7846 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7847 : mPackageDexOptimizer; 7848 7849 // Optimize all dependencies first. Note: we ignore the return value and march on 7850 // on errors. 7851 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7852 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7853 if (!deps.isEmpty()) { 7854 for (PackageParser.Package depPackage : deps) { 7855 // TODO: Analyze and investigate if we (should) profile libraries. 7856 // Currently this will do a full compilation of the library by default. 7857 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7858 false /* checkProfiles */, 7859 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7860 getOrCreateCompilerPackageStats(depPackage)); 7861 } 7862 } 7863 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7864 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7865 } 7866 7867 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7868 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7869 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7870 Set<String> collectedNames = new HashSet<>(); 7871 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7872 7873 retValue.remove(p); 7874 7875 return retValue; 7876 } else { 7877 return Collections.emptyList(); 7878 } 7879 } 7880 7881 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7882 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7883 if (!collectedNames.contains(p.packageName)) { 7884 collectedNames.add(p.packageName); 7885 collected.add(p); 7886 7887 if (p.usesLibraries != null) { 7888 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7889 } 7890 if (p.usesOptionalLibraries != null) { 7891 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7892 collectedNames); 7893 } 7894 } 7895 } 7896 7897 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7898 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7899 for (String libName : libs) { 7900 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7901 if (libPkg != null) { 7902 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7903 } 7904 } 7905 } 7906 7907 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7908 synchronized (mPackages) { 7909 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7910 if (lib != null && lib.apk != null) { 7911 return mPackages.get(lib.apk); 7912 } 7913 } 7914 return null; 7915 } 7916 7917 public void shutdown() { 7918 mPackageUsage.writeNow(mPackages); 7919 mCompilerStats.writeNow(); 7920 } 7921 7922 @Override 7923 public void dumpProfiles(String packageName) { 7924 PackageParser.Package pkg; 7925 synchronized (mPackages) { 7926 pkg = mPackages.get(packageName); 7927 if (pkg == null) { 7928 throw new IllegalArgumentException("Unknown package: " + packageName); 7929 } 7930 } 7931 /* Only the shell, root, or the app user should be able to dump profiles. */ 7932 int callingUid = Binder.getCallingUid(); 7933 if (callingUid != Process.SHELL_UID && 7934 callingUid != Process.ROOT_UID && 7935 callingUid != pkg.applicationInfo.uid) { 7936 throw new SecurityException("dumpProfiles"); 7937 } 7938 7939 synchronized (mInstallLock) { 7940 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7941 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7942 try { 7943 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7944 String codePaths = TextUtils.join(";", allCodePaths); 7945 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 7946 } catch (InstallerException e) { 7947 Slog.w(TAG, "Failed to dump profiles", e); 7948 } 7949 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7950 } 7951 } 7952 7953 @Override 7954 public void forceDexOpt(String packageName) { 7955 enforceSystemOrRoot("forceDexOpt"); 7956 7957 PackageParser.Package pkg; 7958 synchronized (mPackages) { 7959 pkg = mPackages.get(packageName); 7960 if (pkg == null) { 7961 throw new IllegalArgumentException("Unknown package: " + packageName); 7962 } 7963 } 7964 7965 synchronized (mInstallLock) { 7966 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7967 7968 // Whoever is calling forceDexOpt wants a fully compiled package. 7969 // Don't use profiles since that may cause compilation to be skipped. 7970 final int res = performDexOptInternalWithDependenciesLI(pkg, 7971 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7972 true /* force */); 7973 7974 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7975 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7976 throw new IllegalStateException("Failed to dexopt: " + res); 7977 } 7978 } 7979 } 7980 7981 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7982 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7983 Slog.w(TAG, "Unable to update from " + oldPkg.name 7984 + " to " + newPkg.packageName 7985 + ": old package not in system partition"); 7986 return false; 7987 } else if (mPackages.get(oldPkg.name) != null) { 7988 Slog.w(TAG, "Unable to update from " + oldPkg.name 7989 + " to " + newPkg.packageName 7990 + ": old package still exists"); 7991 return false; 7992 } 7993 return true; 7994 } 7995 7996 void removeCodePathLI(File codePath) { 7997 if (codePath.isDirectory()) { 7998 try { 7999 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8000 } catch (InstallerException e) { 8001 Slog.w(TAG, "Failed to remove code path", e); 8002 } 8003 } else { 8004 codePath.delete(); 8005 } 8006 } 8007 8008 private int[] resolveUserIds(int userId) { 8009 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8010 } 8011 8012 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8013 if (pkg == null) { 8014 Slog.wtf(TAG, "Package was null!", new Throwable()); 8015 return; 8016 } 8017 clearAppDataLeafLIF(pkg, userId, flags); 8018 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8019 for (int i = 0; i < childCount; i++) { 8020 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8021 } 8022 } 8023 8024 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8025 final PackageSetting ps; 8026 synchronized (mPackages) { 8027 ps = mSettings.mPackages.get(pkg.packageName); 8028 } 8029 for (int realUserId : resolveUserIds(userId)) { 8030 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8031 try { 8032 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8033 ceDataInode); 8034 } catch (InstallerException e) { 8035 Slog.w(TAG, String.valueOf(e)); 8036 } 8037 } 8038 } 8039 8040 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8041 if (pkg == null) { 8042 Slog.wtf(TAG, "Package was null!", new Throwable()); 8043 return; 8044 } 8045 destroyAppDataLeafLIF(pkg, userId, flags); 8046 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8047 for (int i = 0; i < childCount; i++) { 8048 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8049 } 8050 } 8051 8052 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8053 final PackageSetting ps; 8054 synchronized (mPackages) { 8055 ps = mSettings.mPackages.get(pkg.packageName); 8056 } 8057 for (int realUserId : resolveUserIds(userId)) { 8058 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8059 try { 8060 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8061 ceDataInode); 8062 } catch (InstallerException e) { 8063 Slog.w(TAG, String.valueOf(e)); 8064 } 8065 } 8066 } 8067 8068 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8069 if (pkg == null) { 8070 Slog.wtf(TAG, "Package was null!", new Throwable()); 8071 return; 8072 } 8073 destroyAppProfilesLeafLIF(pkg); 8074 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8075 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8076 for (int i = 0; i < childCount; i++) { 8077 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8078 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8079 true /* removeBaseMarker */); 8080 } 8081 } 8082 8083 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8084 boolean removeBaseMarker) { 8085 if (pkg.isForwardLocked()) { 8086 return; 8087 } 8088 8089 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8090 try { 8091 path = PackageManagerServiceUtils.realpath(new File(path)); 8092 } catch (IOException e) { 8093 // TODO: Should we return early here ? 8094 Slog.w(TAG, "Failed to get canonical path", e); 8095 continue; 8096 } 8097 8098 final String useMarker = path.replace('/', '@'); 8099 for (int realUserId : resolveUserIds(userId)) { 8100 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8101 if (removeBaseMarker) { 8102 File foreignUseMark = new File(profileDir, useMarker); 8103 if (foreignUseMark.exists()) { 8104 if (!foreignUseMark.delete()) { 8105 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8106 + pkg.packageName); 8107 } 8108 } 8109 } 8110 8111 File[] markers = profileDir.listFiles(); 8112 if (markers != null) { 8113 final String searchString = "@" + pkg.packageName + "@"; 8114 // We also delete all markers that contain the package name we're 8115 // uninstalling. These are associated with secondary dex-files belonging 8116 // to the package. Reconstructing the path of these dex files is messy 8117 // in general. 8118 for (File marker : markers) { 8119 if (marker.getName().indexOf(searchString) > 0) { 8120 if (!marker.delete()) { 8121 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8122 + pkg.packageName); 8123 } 8124 } 8125 } 8126 } 8127 } 8128 } 8129 } 8130 8131 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8132 try { 8133 mInstaller.destroyAppProfiles(pkg.packageName); 8134 } catch (InstallerException e) { 8135 Slog.w(TAG, String.valueOf(e)); 8136 } 8137 } 8138 8139 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8140 if (pkg == null) { 8141 Slog.wtf(TAG, "Package was null!", new Throwable()); 8142 return; 8143 } 8144 clearAppProfilesLeafLIF(pkg); 8145 // We don't remove the base foreign use marker when clearing profiles because 8146 // we will rename it when the app is updated. Unlike the actual profile contents, 8147 // the foreign use marker is good across installs. 8148 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8149 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8150 for (int i = 0; i < childCount; i++) { 8151 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8152 } 8153 } 8154 8155 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8156 try { 8157 mInstaller.clearAppProfiles(pkg.packageName); 8158 } catch (InstallerException e) { 8159 Slog.w(TAG, String.valueOf(e)); 8160 } 8161 } 8162 8163 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8164 long lastUpdateTime) { 8165 // Set parent install/update time 8166 PackageSetting ps = (PackageSetting) pkg.mExtras; 8167 if (ps != null) { 8168 ps.firstInstallTime = firstInstallTime; 8169 ps.lastUpdateTime = lastUpdateTime; 8170 } 8171 // Set children install/update time 8172 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8173 for (int i = 0; i < childCount; i++) { 8174 PackageParser.Package childPkg = pkg.childPackages.get(i); 8175 ps = (PackageSetting) childPkg.mExtras; 8176 if (ps != null) { 8177 ps.firstInstallTime = firstInstallTime; 8178 ps.lastUpdateTime = lastUpdateTime; 8179 } 8180 } 8181 } 8182 8183 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8184 PackageParser.Package changingLib) { 8185 if (file.path != null) { 8186 usesLibraryFiles.add(file.path); 8187 return; 8188 } 8189 PackageParser.Package p = mPackages.get(file.apk); 8190 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8191 // If we are doing this while in the middle of updating a library apk, 8192 // then we need to make sure to use that new apk for determining the 8193 // dependencies here. (We haven't yet finished committing the new apk 8194 // to the package manager state.) 8195 if (p == null || p.packageName.equals(changingLib.packageName)) { 8196 p = changingLib; 8197 } 8198 } 8199 if (p != null) { 8200 usesLibraryFiles.addAll(p.getAllCodePaths()); 8201 } 8202 } 8203 8204 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8205 PackageParser.Package changingLib) throws PackageManagerException { 8206 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 8207 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 8208 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 8209 for (int i=0; i<N; i++) { 8210 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 8211 if (file == null) { 8212 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8213 "Package " + pkg.packageName + " requires unavailable shared library " 8214 + pkg.usesLibraries.get(i) + "; failing!"); 8215 } 8216 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 8217 } 8218 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 8219 for (int i=0; i<N; i++) { 8220 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 8221 if (file == null) { 8222 Slog.w(TAG, "Package " + pkg.packageName 8223 + " desires unavailable shared library " 8224 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 8225 } else { 8226 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 8227 } 8228 } 8229 N = usesLibraryFiles.size(); 8230 if (N > 0) { 8231 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 8232 } else { 8233 pkg.usesLibraryFiles = null; 8234 } 8235 } 8236 } 8237 8238 private static boolean hasString(List<String> list, List<String> which) { 8239 if (list == null) { 8240 return false; 8241 } 8242 for (int i=list.size()-1; i>=0; i--) { 8243 for (int j=which.size()-1; j>=0; j--) { 8244 if (which.get(j).equals(list.get(i))) { 8245 return true; 8246 } 8247 } 8248 } 8249 return false; 8250 } 8251 8252 private void updateAllSharedLibrariesLPw() { 8253 for (PackageParser.Package pkg : mPackages.values()) { 8254 try { 8255 updateSharedLibrariesLPr(pkg, null); 8256 } catch (PackageManagerException e) { 8257 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8258 } 8259 } 8260 } 8261 8262 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8263 PackageParser.Package changingPkg) { 8264 ArrayList<PackageParser.Package> res = null; 8265 for (PackageParser.Package pkg : mPackages.values()) { 8266 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 8267 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 8268 if (res == null) { 8269 res = new ArrayList<PackageParser.Package>(); 8270 } 8271 res.add(pkg); 8272 try { 8273 updateSharedLibrariesLPr(pkg, changingPkg); 8274 } catch (PackageManagerException e) { 8275 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8276 } 8277 } 8278 } 8279 return res; 8280 } 8281 8282 /** 8283 * Derive the value of the {@code cpuAbiOverride} based on the provided 8284 * value and an optional stored value from the package settings. 8285 */ 8286 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8287 String cpuAbiOverride = null; 8288 8289 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8290 cpuAbiOverride = null; 8291 } else if (abiOverride != null) { 8292 cpuAbiOverride = abiOverride; 8293 } else if (settings != null) { 8294 cpuAbiOverride = settings.cpuAbiOverrideString; 8295 } 8296 8297 return cpuAbiOverride; 8298 } 8299 8300 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8301 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 8302 throws PackageManagerException { 8303 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8304 // If the package has children and this is the first dive in the function 8305 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8306 // whether all packages (parent and children) would be successfully scanned 8307 // before the actual scan since scanning mutates internal state and we want 8308 // to atomically install the package and its children. 8309 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8310 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8311 scanFlags |= SCAN_CHECK_ONLY; 8312 } 8313 } else { 8314 scanFlags &= ~SCAN_CHECK_ONLY; 8315 } 8316 8317 final PackageParser.Package scannedPkg; 8318 try { 8319 // Scan the parent 8320 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8321 // Scan the children 8322 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8323 for (int i = 0; i < childCount; i++) { 8324 PackageParser.Package childPkg = pkg.childPackages.get(i); 8325 scanPackageLI(childPkg, policyFlags, 8326 scanFlags, currentTime, user); 8327 } 8328 } finally { 8329 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8330 } 8331 8332 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8333 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8334 } 8335 8336 return scannedPkg; 8337 } 8338 8339 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8340 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8341 boolean success = false; 8342 try { 8343 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8344 currentTime, user); 8345 success = true; 8346 return res; 8347 } finally { 8348 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8349 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8350 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8351 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8352 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8353 } 8354 } 8355 } 8356 8357 /** 8358 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8359 */ 8360 private static boolean apkHasCode(String fileName) { 8361 StrictJarFile jarFile = null; 8362 try { 8363 jarFile = new StrictJarFile(fileName, 8364 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8365 return jarFile.findEntry("classes.dex") != null; 8366 } catch (IOException ignore) { 8367 } finally { 8368 try { 8369 if (jarFile != null) { 8370 jarFile.close(); 8371 } 8372 } catch (IOException ignore) {} 8373 } 8374 return false; 8375 } 8376 8377 /** 8378 * Enforces code policy for the package. This ensures that if an APK has 8379 * declared hasCode="true" in its manifest that the APK actually contains 8380 * code. 8381 * 8382 * @throws PackageManagerException If bytecode could not be found when it should exist 8383 */ 8384 private static void assertCodePolicy(PackageParser.Package pkg) 8385 throws PackageManagerException { 8386 final boolean shouldHaveCode = 8387 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8388 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8389 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8390 "Package " + pkg.baseCodePath + " code is missing"); 8391 } 8392 8393 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8394 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8395 final boolean splitShouldHaveCode = 8396 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8397 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8398 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8399 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8400 } 8401 } 8402 } 8403 } 8404 8405 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8406 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8407 throws PackageManagerException { 8408 if (DEBUG_PACKAGE_SCANNING) { 8409 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8410 Log.d(TAG, "Scanning package " + pkg.packageName); 8411 } 8412 8413 applyPolicy(pkg, policyFlags); 8414 8415 assertPackageIsValid(pkg, policyFlags, scanFlags); 8416 8417 // Initialize package source and resource directories 8418 final File scanFile = new File(pkg.codePath); 8419 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8420 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8421 8422 SharedUserSetting suid = null; 8423 PackageSetting pkgSetting = null; 8424 8425 // Getting the package setting may have a side-effect, so if we 8426 // are only checking if scan would succeed, stash a copy of the 8427 // old setting to restore at the end. 8428 PackageSetting nonMutatedPs = null; 8429 8430 // We keep references to the derived CPU Abis from settings in oder to reuse 8431 // them in the case where we're not upgrading or booting for the first time. 8432 String primaryCpuAbiFromSettings = null; 8433 String secondaryCpuAbiFromSettings = null; 8434 8435 // writer 8436 synchronized (mPackages) { 8437 if (pkg.mSharedUserId != null) { 8438 // SIDE EFFECTS; may potentially allocate a new shared user 8439 suid = mSettings.getSharedUserLPw( 8440 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8441 if (DEBUG_PACKAGE_SCANNING) { 8442 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8443 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8444 + "): packages=" + suid.packages); 8445 } 8446 } 8447 8448 // Check if we are renaming from an original package name. 8449 PackageSetting origPackage = null; 8450 String realName = null; 8451 if (pkg.mOriginalPackages != null) { 8452 // This package may need to be renamed to a previously 8453 // installed name. Let's check on that... 8454 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8455 if (pkg.mOriginalPackages.contains(renamed)) { 8456 // This package had originally been installed as the 8457 // original name, and we have already taken care of 8458 // transitioning to the new one. Just update the new 8459 // one to continue using the old name. 8460 realName = pkg.mRealPackage; 8461 if (!pkg.packageName.equals(renamed)) { 8462 // Callers into this function may have already taken 8463 // care of renaming the package; only do it here if 8464 // it is not already done. 8465 pkg.setPackageName(renamed); 8466 } 8467 } else { 8468 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8469 if ((origPackage = mSettings.getPackageLPr( 8470 pkg.mOriginalPackages.get(i))) != null) { 8471 // We do have the package already installed under its 8472 // original name... should we use it? 8473 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8474 // New package is not compatible with original. 8475 origPackage = null; 8476 continue; 8477 } else if (origPackage.sharedUser != null) { 8478 // Make sure uid is compatible between packages. 8479 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8480 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8481 + " to " + pkg.packageName + ": old uid " 8482 + origPackage.sharedUser.name 8483 + " differs from " + pkg.mSharedUserId); 8484 origPackage = null; 8485 continue; 8486 } 8487 // TODO: Add case when shared user id is added [b/28144775] 8488 } else { 8489 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8490 + pkg.packageName + " to old name " + origPackage.name); 8491 } 8492 break; 8493 } 8494 } 8495 } 8496 } 8497 8498 if (mTransferedPackages.contains(pkg.packageName)) { 8499 Slog.w(TAG, "Package " + pkg.packageName 8500 + " was transferred to another, but its .apk remains"); 8501 } 8502 8503 // See comments in nonMutatedPs declaration 8504 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8505 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8506 if (foundPs != null) { 8507 nonMutatedPs = new PackageSetting(foundPs); 8508 } 8509 } 8510 8511 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 8512 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8513 if (foundPs != null) { 8514 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 8515 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 8516 } 8517 } 8518 8519 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8520 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8521 PackageManagerService.reportSettingsProblem(Log.WARN, 8522 "Package " + pkg.packageName + " shared user changed from " 8523 + (pkgSetting.sharedUser != null 8524 ? pkgSetting.sharedUser.name : "<nothing>") 8525 + " to " 8526 + (suid != null ? suid.name : "<nothing>") 8527 + "; replacing with new"); 8528 pkgSetting = null; 8529 } 8530 final PackageSetting oldPkgSetting = 8531 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8532 final PackageSetting disabledPkgSetting = 8533 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8534 if (pkgSetting == null) { 8535 final String parentPackageName = (pkg.parentPackage != null) 8536 ? pkg.parentPackage.packageName : null; 8537 // REMOVE SharedUserSetting from method; update in a separate call 8538 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8539 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8540 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8541 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8542 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8543 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8544 UserManagerService.getInstance()); 8545 // SIDE EFFECTS; updates system state; move elsewhere 8546 if (origPackage != null) { 8547 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8548 } 8549 mSettings.addUserToSettingLPw(pkgSetting); 8550 } else { 8551 // REMOVE SharedUserSetting from method; update in a separate call. 8552 // 8553 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 8554 // secondaryCpuAbi are not known at this point so we always update them 8555 // to null here, only to reset them at a later point. 8556 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8557 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8558 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8559 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8560 UserManagerService.getInstance()); 8561 } 8562 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8563 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8564 8565 // SIDE EFFECTS; modifies system state; move elsewhere 8566 if (pkgSetting.origPackage != null) { 8567 // If we are first transitioning from an original package, 8568 // fix up the new package's name now. We need to do this after 8569 // looking up the package under its new name, so getPackageLP 8570 // can take care of fiddling things correctly. 8571 pkg.setPackageName(origPackage.name); 8572 8573 // File a report about this. 8574 String msg = "New package " + pkgSetting.realName 8575 + " renamed to replace old package " + pkgSetting.name; 8576 reportSettingsProblem(Log.WARN, msg); 8577 8578 // Make a note of it. 8579 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8580 mTransferedPackages.add(origPackage.name); 8581 } 8582 8583 // No longer need to retain this. 8584 pkgSetting.origPackage = null; 8585 } 8586 8587 // SIDE EFFECTS; modifies system state; move elsewhere 8588 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8589 // Make a note of it. 8590 mTransferedPackages.add(pkg.packageName); 8591 } 8592 8593 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8594 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8595 } 8596 8597 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8598 // Check all shared libraries and map to their actual file path. 8599 // We only do this here for apps not on a system dir, because those 8600 // are the only ones that can fail an install due to this. We 8601 // will take care of the system apps by updating all of their 8602 // library paths after the scan is done. 8603 updateSharedLibrariesLPr(pkg, null); 8604 } 8605 8606 if (mFoundPolicyFile) { 8607 SELinuxMMAC.assignSeinfoValue(pkg); 8608 } 8609 8610 pkg.applicationInfo.uid = pkgSetting.appId; 8611 pkg.mExtras = pkgSetting; 8612 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8613 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8614 // We just determined the app is signed correctly, so bring 8615 // over the latest parsed certs. 8616 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8617 } else { 8618 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8619 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8620 "Package " + pkg.packageName + " upgrade keys do not match the " 8621 + "previously installed version"); 8622 } else { 8623 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8624 String msg = "System package " + pkg.packageName 8625 + " signature changed; retaining data."; 8626 reportSettingsProblem(Log.WARN, msg); 8627 } 8628 } 8629 } else { 8630 try { 8631 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8632 verifySignaturesLP(pkgSetting, pkg); 8633 // We just determined the app is signed correctly, so bring 8634 // over the latest parsed certs. 8635 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8636 } catch (PackageManagerException e) { 8637 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8638 throw e; 8639 } 8640 // The signature has changed, but this package is in the system 8641 // image... let's recover! 8642 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8643 // However... if this package is part of a shared user, but it 8644 // doesn't match the signature of the shared user, let's fail. 8645 // What this means is that you can't change the signatures 8646 // associated with an overall shared user, which doesn't seem all 8647 // that unreasonable. 8648 if (pkgSetting.sharedUser != null) { 8649 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8650 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8651 throw new PackageManagerException( 8652 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8653 "Signature mismatch for shared user: " 8654 + pkgSetting.sharedUser); 8655 } 8656 } 8657 // File a report about this. 8658 String msg = "System package " + pkg.packageName 8659 + " signature changed; retaining data."; 8660 reportSettingsProblem(Log.WARN, msg); 8661 } 8662 } 8663 8664 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8665 // This package wants to adopt ownership of permissions from 8666 // another package. 8667 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8668 final String origName = pkg.mAdoptPermissions.get(i); 8669 final PackageSetting orig = mSettings.getPackageLPr(origName); 8670 if (orig != null) { 8671 if (verifyPackageUpdateLPr(orig, pkg)) { 8672 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8673 + pkg.packageName); 8674 // SIDE EFFECTS; updates permissions system state; move elsewhere 8675 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8676 } 8677 } 8678 } 8679 } 8680 } 8681 8682 pkg.applicationInfo.processName = fixProcessName( 8683 pkg.applicationInfo.packageName, 8684 pkg.applicationInfo.processName); 8685 8686 if (pkg != mPlatformPackage) { 8687 // Get all of our default paths setup 8688 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8689 } 8690 8691 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8692 8693 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8694 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 8695 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8696 derivePackageAbi( 8697 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8698 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8699 8700 // Some system apps still use directory structure for native libraries 8701 // in which case we might end up not detecting abi solely based on apk 8702 // structure. Try to detect abi based on directory structure. 8703 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8704 pkg.applicationInfo.primaryCpuAbi == null) { 8705 setBundledAppAbisAndRoots(pkg, pkgSetting); 8706 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8707 } 8708 } else { 8709 // This is not a first boot or an upgrade, don't bother deriving the 8710 // ABI during the scan. Instead, trust the value that was stored in the 8711 // package setting. 8712 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 8713 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 8714 8715 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8716 8717 if (DEBUG_ABI_SELECTION) { 8718 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 8719 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 8720 pkg.applicationInfo.secondaryCpuAbi); 8721 } 8722 } 8723 } else { 8724 if ((scanFlags & SCAN_MOVE) != 0) { 8725 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8726 // but we already have this packages package info in the PackageSetting. We just 8727 // use that and derive the native library path based on the new codepath. 8728 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8729 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8730 } 8731 8732 // Set native library paths again. For moves, the path will be updated based on the 8733 // ABIs we've determined above. For non-moves, the path will be updated based on the 8734 // ABIs we determined during compilation, but the path will depend on the final 8735 // package path (after the rename away from the stage path). 8736 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8737 } 8738 8739 // This is a special case for the "system" package, where the ABI is 8740 // dictated by the zygote configuration (and init.rc). We should keep track 8741 // of this ABI so that we can deal with "normal" applications that run under 8742 // the same UID correctly. 8743 if (mPlatformPackage == pkg) { 8744 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8745 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8746 } 8747 8748 // If there's a mismatch between the abi-override in the package setting 8749 // and the abiOverride specified for the install. Warn about this because we 8750 // would've already compiled the app without taking the package setting into 8751 // account. 8752 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8753 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8754 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8755 " for package " + pkg.packageName); 8756 } 8757 } 8758 8759 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8760 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8761 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8762 8763 // Copy the derived override back to the parsed package, so that we can 8764 // update the package settings accordingly. 8765 pkg.cpuAbiOverride = cpuAbiOverride; 8766 8767 if (DEBUG_ABI_SELECTION) { 8768 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8769 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8770 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8771 } 8772 8773 // Push the derived path down into PackageSettings so we know what to 8774 // clean up at uninstall time. 8775 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8776 8777 if (DEBUG_ABI_SELECTION) { 8778 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8779 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8780 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8781 } 8782 8783 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8784 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8785 // We don't do this here during boot because we can do it all 8786 // at once after scanning all existing packages. 8787 // 8788 // We also do this *before* we perform dexopt on this package, so that 8789 // we can avoid redundant dexopts, and also to make sure we've got the 8790 // code and package path correct. 8791 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8792 } 8793 8794 if (mFactoryTest && pkg.requestedPermissions.contains( 8795 android.Manifest.permission.FACTORY_TEST)) { 8796 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8797 } 8798 8799 if (isSystemApp(pkg)) { 8800 pkgSetting.isOrphaned = true; 8801 } 8802 8803 // Take care of first install / last update times. 8804 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8805 if (currentTime != 0) { 8806 if (pkgSetting.firstInstallTime == 0) { 8807 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8808 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8809 pkgSetting.lastUpdateTime = currentTime; 8810 } 8811 } else if (pkgSetting.firstInstallTime == 0) { 8812 // We need *something*. Take time time stamp of the file. 8813 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8814 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8815 if (scanFileTime != pkgSetting.timeStamp) { 8816 // A package on the system image has changed; consider this 8817 // to be an update. 8818 pkgSetting.lastUpdateTime = scanFileTime; 8819 } 8820 } 8821 pkgSetting.setTimeStamp(scanFileTime); 8822 8823 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8824 if (nonMutatedPs != null) { 8825 synchronized (mPackages) { 8826 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8827 } 8828 } 8829 } else { 8830 // Modify state for the given package setting 8831 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 8832 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8833 } 8834 return pkg; 8835 } 8836 8837 /** 8838 * Applies policy to the parsed package based upon the given policy flags. 8839 * Ensures the package is in a good state. 8840 * <p> 8841 * Implementation detail: This method must NOT have any side effect. It would 8842 * ideally be static, but, it requires locks to read system state. 8843 */ 8844 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8845 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8846 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8847 if (pkg.applicationInfo.isDirectBootAware()) { 8848 // we're direct boot aware; set for all components 8849 for (PackageParser.Service s : pkg.services) { 8850 s.info.encryptionAware = s.info.directBootAware = true; 8851 } 8852 for (PackageParser.Provider p : pkg.providers) { 8853 p.info.encryptionAware = p.info.directBootAware = true; 8854 } 8855 for (PackageParser.Activity a : pkg.activities) { 8856 a.info.encryptionAware = a.info.directBootAware = true; 8857 } 8858 for (PackageParser.Activity r : pkg.receivers) { 8859 r.info.encryptionAware = r.info.directBootAware = true; 8860 } 8861 } 8862 } else { 8863 // Only allow system apps to be flagged as core apps. 8864 pkg.coreApp = false; 8865 // clear flags not applicable to regular apps 8866 pkg.applicationInfo.privateFlags &= 8867 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8868 pkg.applicationInfo.privateFlags &= 8869 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8870 } 8871 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8872 8873 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8874 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8875 } 8876 8877 if (!isSystemApp(pkg)) { 8878 // Only system apps can use these features. 8879 pkg.mOriginalPackages = null; 8880 pkg.mRealPackage = null; 8881 pkg.mAdoptPermissions = null; 8882 } 8883 } 8884 8885 /** 8886 * Asserts the parsed package is valid according to teh given policy. If the 8887 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8888 * <p> 8889 * Implementation detail: This method must NOT have any side effects. It would 8890 * ideally be static, but, it requires locks to read system state. 8891 * 8892 * @throws PackageManagerException If the package fails any of the validation checks 8893 */ 8894 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 8895 throws PackageManagerException { 8896 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8897 assertCodePolicy(pkg); 8898 } 8899 8900 if (pkg.applicationInfo.getCodePath() == null || 8901 pkg.applicationInfo.getResourcePath() == null) { 8902 // Bail out. The resource and code paths haven't been set. 8903 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8904 "Code and resource paths haven't been set correctly"); 8905 } 8906 8907 // Make sure we're not adding any bogus keyset info 8908 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8909 ksms.assertScannedPackageValid(pkg); 8910 8911 synchronized (mPackages) { 8912 // The special "android" package can only be defined once 8913 if (pkg.packageName.equals("android")) { 8914 if (mAndroidApplication != null) { 8915 Slog.w(TAG, "*************************************************"); 8916 Slog.w(TAG, "Core android package being redefined. Skipping."); 8917 Slog.w(TAG, " codePath=" + pkg.codePath); 8918 Slog.w(TAG, "*************************************************"); 8919 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8920 "Core android package being redefined. Skipping."); 8921 } 8922 } 8923 8924 // A package name must be unique; don't allow duplicates 8925 if (mPackages.containsKey(pkg.packageName) 8926 || mSharedLibraries.containsKey(pkg.packageName)) { 8927 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8928 "Application package " + pkg.packageName 8929 + " already installed. Skipping duplicate."); 8930 } 8931 8932 // Only privileged apps and updated privileged apps can add child packages. 8933 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8934 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8935 throw new PackageManagerException("Only privileged apps can add child " 8936 + "packages. Ignoring package " + pkg.packageName); 8937 } 8938 final int childCount = pkg.childPackages.size(); 8939 for (int i = 0; i < childCount; i++) { 8940 PackageParser.Package childPkg = pkg.childPackages.get(i); 8941 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8942 childPkg.packageName)) { 8943 throw new PackageManagerException("Can't override child of " 8944 + "another disabled app. Ignoring package " + pkg.packageName); 8945 } 8946 } 8947 } 8948 8949 // If we're only installing presumed-existing packages, require that the 8950 // scanned APK is both already known and at the path previously established 8951 // for it. Previously unknown packages we pick up normally, but if we have an 8952 // a priori expectation about this package's install presence, enforce it. 8953 // With a singular exception for new system packages. When an OTA contains 8954 // a new system package, we allow the codepath to change from a system location 8955 // to the user-installed location. If we don't allow this change, any newer, 8956 // user-installed version of the application will be ignored. 8957 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8958 if (mExpectingBetter.containsKey(pkg.packageName)) { 8959 logCriticalInfo(Log.WARN, 8960 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8961 } else { 8962 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 8963 if (known != null) { 8964 if (DEBUG_PACKAGE_SCANNING) { 8965 Log.d(TAG, "Examining " + pkg.codePath 8966 + " and requiring known paths " + known.codePathString 8967 + " & " + known.resourcePathString); 8968 } 8969 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8970 || !pkg.applicationInfo.getResourcePath().equals( 8971 known.resourcePathString)) { 8972 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8973 "Application package " + pkg.packageName 8974 + " found at " + pkg.applicationInfo.getCodePath() 8975 + " but expected at " + known.codePathString 8976 + "; ignoring."); 8977 } 8978 } 8979 } 8980 } 8981 8982 // Verify that this new package doesn't have any content providers 8983 // that conflict with existing packages. Only do this if the 8984 // package isn't already installed, since we don't want to break 8985 // things that are installed. 8986 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8987 final int N = pkg.providers.size(); 8988 int i; 8989 for (i=0; i<N; i++) { 8990 PackageParser.Provider p = pkg.providers.get(i); 8991 if (p.info.authority != null) { 8992 String names[] = p.info.authority.split(";"); 8993 for (int j = 0; j < names.length; j++) { 8994 if (mProvidersByAuthority.containsKey(names[j])) { 8995 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8996 final String otherPackageName = 8997 ((other != null && other.getComponentName() != null) ? 8998 other.getComponentName().getPackageName() : "?"); 8999 throw new PackageManagerException( 9000 INSTALL_FAILED_CONFLICTING_PROVIDER, 9001 "Can't install because provider name " + names[j] 9002 + " (in package " + pkg.applicationInfo.packageName 9003 + ") is already used by " + otherPackageName); 9004 } 9005 } 9006 } 9007 } 9008 } 9009 } 9010 } 9011 9012 /** 9013 * Adds a scanned package to the system. When this method is finished, the package will 9014 * be available for query, resolution, etc... 9015 */ 9016 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9017 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9018 final String pkgName = pkg.packageName; 9019 if (mCustomResolverComponentName != null && 9020 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9021 setUpCustomResolverActivity(pkg); 9022 } 9023 9024 if (pkg.packageName.equals("android")) { 9025 synchronized (mPackages) { 9026 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9027 // Set up information for our fall-back user intent resolution activity. 9028 mPlatformPackage = pkg; 9029 pkg.mVersionCode = mSdkVersion; 9030 mAndroidApplication = pkg.applicationInfo; 9031 9032 if (!mResolverReplaced) { 9033 mResolveActivity.applicationInfo = mAndroidApplication; 9034 mResolveActivity.name = ResolverActivity.class.getName(); 9035 mResolveActivity.packageName = mAndroidApplication.packageName; 9036 mResolveActivity.processName = "system:ui"; 9037 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9038 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9039 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9040 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9041 mResolveActivity.exported = true; 9042 mResolveActivity.enabled = true; 9043 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9044 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9045 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9046 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9047 | ActivityInfo.CONFIG_ORIENTATION 9048 | ActivityInfo.CONFIG_KEYBOARD 9049 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9050 mResolveInfo.activityInfo = mResolveActivity; 9051 mResolveInfo.priority = 0; 9052 mResolveInfo.preferredOrder = 0; 9053 mResolveInfo.match = 0; 9054 mResolveComponentName = new ComponentName( 9055 mAndroidApplication.packageName, mResolveActivity.name); 9056 } 9057 } 9058 } 9059 } 9060 9061 ArrayList<PackageParser.Package> clientLibPkgs = null; 9062 // writer 9063 synchronized (mPackages) { 9064 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9065 // Only system apps can add new shared libraries. 9066 if (pkg.libraryNames != null) { 9067 for (int i=0; i<pkg.libraryNames.size(); i++) { 9068 String name = pkg.libraryNames.get(i); 9069 boolean allowed = false; 9070 if (pkg.isUpdatedSystemApp()) { 9071 // New library entries can only be added through the 9072 // system image. This is important to get rid of a lot 9073 // of nasty edge cases: for example if we allowed a non- 9074 // system update of the app to add a library, then uninstalling 9075 // the update would make the library go away, and assumptions 9076 // we made such as through app install filtering would now 9077 // have allowed apps on the device which aren't compatible 9078 // with it. Better to just have the restriction here, be 9079 // conservative, and create many fewer cases that can negatively 9080 // impact the user experience. 9081 final PackageSetting sysPs = mSettings 9082 .getDisabledSystemPkgLPr(pkg.packageName); 9083 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9084 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 9085 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9086 allowed = true; 9087 break; 9088 } 9089 } 9090 } 9091 } else { 9092 allowed = true; 9093 } 9094 if (allowed) { 9095 if (!mSharedLibraries.containsKey(name)) { 9096 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 9097 } else if (!name.equals(pkg.packageName)) { 9098 Slog.w(TAG, "Package " + pkg.packageName + " library " 9099 + name + " already exists; skipping"); 9100 } 9101 } else { 9102 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9103 + name + " that is not declared on system image; skipping"); 9104 } 9105 } 9106 if ((scanFlags & SCAN_BOOTING) == 0) { 9107 // If we are not booting, we need to update any applications 9108 // that are clients of our shared library. If we are booting, 9109 // this will all be done once the scan is complete. 9110 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9111 } 9112 } 9113 } 9114 } 9115 9116 if ((scanFlags & SCAN_BOOTING) != 0) { 9117 // No apps can run during boot scan, so they don't need to be frozen 9118 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9119 // Caller asked to not kill app, so it's probably not frozen 9120 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9121 // Caller asked us to ignore frozen check for some reason; they 9122 // probably didn't know the package name 9123 } else { 9124 // We're doing major surgery on this package, so it better be frozen 9125 // right now to keep it from launching 9126 checkPackageFrozen(pkgName); 9127 } 9128 9129 // Also need to kill any apps that are dependent on the library. 9130 if (clientLibPkgs != null) { 9131 for (int i=0; i<clientLibPkgs.size(); i++) { 9132 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9133 killApplication(clientPkg.applicationInfo.packageName, 9134 clientPkg.applicationInfo.uid, "update lib"); 9135 } 9136 } 9137 9138 // writer 9139 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 9140 9141 boolean createIdmapFailed = false; 9142 synchronized (mPackages) { 9143 // We don't expect installation to fail beyond this point 9144 9145 if (pkgSetting.pkg != null) { 9146 // Note that |user| might be null during the initial boot scan. If a codePath 9147 // for an app has changed during a boot scan, it's due to an app update that's 9148 // part of the system partition and marker changes must be applied to all users. 9149 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 9150 final int[] userIds = resolveUserIds(userId); 9151 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 9152 } 9153 9154 // Add the new setting to mSettings 9155 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 9156 // Add the new setting to mPackages 9157 mPackages.put(pkg.applicationInfo.packageName, pkg); 9158 // Make sure we don't accidentally delete its data. 9159 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 9160 while (iter.hasNext()) { 9161 PackageCleanItem item = iter.next(); 9162 if (pkgName.equals(item.packageName)) { 9163 iter.remove(); 9164 } 9165 } 9166 9167 // Add the package's KeySets to the global KeySetManagerService 9168 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9169 ksms.addScannedPackageLPw(pkg); 9170 9171 int N = pkg.providers.size(); 9172 StringBuilder r = null; 9173 int i; 9174 for (i=0; i<N; i++) { 9175 PackageParser.Provider p = pkg.providers.get(i); 9176 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 9177 p.info.processName); 9178 mProviders.addProvider(p); 9179 p.syncable = p.info.isSyncable; 9180 if (p.info.authority != null) { 9181 String names[] = p.info.authority.split(";"); 9182 p.info.authority = null; 9183 for (int j = 0; j < names.length; j++) { 9184 if (j == 1 && p.syncable) { 9185 // We only want the first authority for a provider to possibly be 9186 // syncable, so if we already added this provider using a different 9187 // authority clear the syncable flag. We copy the provider before 9188 // changing it because the mProviders object contains a reference 9189 // to a provider that we don't want to change. 9190 // Only do this for the second authority since the resulting provider 9191 // object can be the same for all future authorities for this provider. 9192 p = new PackageParser.Provider(p); 9193 p.syncable = false; 9194 } 9195 if (!mProvidersByAuthority.containsKey(names[j])) { 9196 mProvidersByAuthority.put(names[j], p); 9197 if (p.info.authority == null) { 9198 p.info.authority = names[j]; 9199 } else { 9200 p.info.authority = p.info.authority + ";" + names[j]; 9201 } 9202 if (DEBUG_PACKAGE_SCANNING) { 9203 if (chatty) 9204 Log.d(TAG, "Registered content provider: " + names[j] 9205 + ", className = " + p.info.name + ", isSyncable = " 9206 + p.info.isSyncable); 9207 } 9208 } else { 9209 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9210 Slog.w(TAG, "Skipping provider name " + names[j] + 9211 " (in package " + pkg.applicationInfo.packageName + 9212 "): name already used by " 9213 + ((other != null && other.getComponentName() != null) 9214 ? other.getComponentName().getPackageName() : "?")); 9215 } 9216 } 9217 } 9218 if (chatty) { 9219 if (r == null) { 9220 r = new StringBuilder(256); 9221 } else { 9222 r.append(' '); 9223 } 9224 r.append(p.info.name); 9225 } 9226 } 9227 if (r != null) { 9228 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 9229 } 9230 9231 N = pkg.services.size(); 9232 r = null; 9233 for (i=0; i<N; i++) { 9234 PackageParser.Service s = pkg.services.get(i); 9235 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 9236 s.info.processName); 9237 mServices.addService(s); 9238 if (chatty) { 9239 if (r == null) { 9240 r = new StringBuilder(256); 9241 } else { 9242 r.append(' '); 9243 } 9244 r.append(s.info.name); 9245 } 9246 } 9247 if (r != null) { 9248 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 9249 } 9250 9251 N = pkg.receivers.size(); 9252 r = null; 9253 for (i=0; i<N; i++) { 9254 PackageParser.Activity a = pkg.receivers.get(i); 9255 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9256 a.info.processName); 9257 mReceivers.addActivity(a, "receiver"); 9258 if (chatty) { 9259 if (r == null) { 9260 r = new StringBuilder(256); 9261 } else { 9262 r.append(' '); 9263 } 9264 r.append(a.info.name); 9265 } 9266 } 9267 if (r != null) { 9268 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 9269 } 9270 9271 N = pkg.activities.size(); 9272 r = null; 9273 for (i=0; i<N; i++) { 9274 PackageParser.Activity a = pkg.activities.get(i); 9275 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9276 a.info.processName); 9277 mActivities.addActivity(a, "activity"); 9278 if (chatty) { 9279 if (r == null) { 9280 r = new StringBuilder(256); 9281 } else { 9282 r.append(' '); 9283 } 9284 r.append(a.info.name); 9285 } 9286 } 9287 if (r != null) { 9288 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 9289 } 9290 9291 N = pkg.permissionGroups.size(); 9292 r = null; 9293 for (i=0; i<N; i++) { 9294 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 9295 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 9296 final String curPackageName = cur == null ? null : cur.info.packageName; 9297 // Dont allow ephemeral apps to define new permission groups. 9298 if (pkg.applicationInfo.isEphemeralApp()) { 9299 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9300 + pg.info.packageName 9301 + " ignored: ephemeral apps cannot define new permission groups."); 9302 continue; 9303 } 9304 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 9305 if (cur == null || isPackageUpdate) { 9306 mPermissionGroups.put(pg.info.name, pg); 9307 if (chatty) { 9308 if (r == null) { 9309 r = new StringBuilder(256); 9310 } else { 9311 r.append(' '); 9312 } 9313 if (isPackageUpdate) { 9314 r.append("UPD:"); 9315 } 9316 r.append(pg.info.name); 9317 } 9318 } else { 9319 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9320 + pg.info.packageName + " ignored: original from " 9321 + cur.info.packageName); 9322 if (chatty) { 9323 if (r == null) { 9324 r = new StringBuilder(256); 9325 } else { 9326 r.append(' '); 9327 } 9328 r.append("DUP:"); 9329 r.append(pg.info.name); 9330 } 9331 } 9332 } 9333 if (r != null) { 9334 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 9335 } 9336 9337 N = pkg.permissions.size(); 9338 r = null; 9339 for (i=0; i<N; i++) { 9340 PackageParser.Permission p = pkg.permissions.get(i); 9341 9342 // Dont allow ephemeral apps to define new permissions. 9343 if (pkg.applicationInfo.isEphemeralApp()) { 9344 Slog.w(TAG, "Permission " + p.info.name + " from package " 9345 + p.info.packageName 9346 + " ignored: ephemeral apps cannot define new permissions."); 9347 continue; 9348 } 9349 9350 // Assume by default that we did not install this permission into the system. 9351 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 9352 9353 // Now that permission groups have a special meaning, we ignore permission 9354 // groups for legacy apps to prevent unexpected behavior. In particular, 9355 // permissions for one app being granted to someone just becase they happen 9356 // to be in a group defined by another app (before this had no implications). 9357 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 9358 p.group = mPermissionGroups.get(p.info.group); 9359 // Warn for a permission in an unknown group. 9360 if (p.info.group != null && p.group == null) { 9361 Slog.w(TAG, "Permission " + p.info.name + " from package " 9362 + p.info.packageName + " in an unknown group " + p.info.group); 9363 } 9364 } 9365 9366 ArrayMap<String, BasePermission> permissionMap = 9367 p.tree ? mSettings.mPermissionTrees 9368 : mSettings.mPermissions; 9369 BasePermission bp = permissionMap.get(p.info.name); 9370 9371 // Allow system apps to redefine non-system permissions 9372 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 9373 final boolean currentOwnerIsSystem = (bp.perm != null 9374 && isSystemApp(bp.perm.owner)); 9375 if (isSystemApp(p.owner)) { 9376 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 9377 // It's a built-in permission and no owner, take ownership now 9378 bp.packageSetting = pkgSetting; 9379 bp.perm = p; 9380 bp.uid = pkg.applicationInfo.uid; 9381 bp.sourcePackage = p.info.packageName; 9382 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9383 } else if (!currentOwnerIsSystem) { 9384 String msg = "New decl " + p.owner + " of permission " 9385 + p.info.name + " is system; overriding " + bp.sourcePackage; 9386 reportSettingsProblem(Log.WARN, msg); 9387 bp = null; 9388 } 9389 } 9390 } 9391 9392 if (bp == null) { 9393 bp = new BasePermission(p.info.name, p.info.packageName, 9394 BasePermission.TYPE_NORMAL); 9395 permissionMap.put(p.info.name, bp); 9396 } 9397 9398 if (bp.perm == null) { 9399 if (bp.sourcePackage == null 9400 || bp.sourcePackage.equals(p.info.packageName)) { 9401 BasePermission tree = findPermissionTreeLP(p.info.name); 9402 if (tree == null 9403 || tree.sourcePackage.equals(p.info.packageName)) { 9404 bp.packageSetting = pkgSetting; 9405 bp.perm = p; 9406 bp.uid = pkg.applicationInfo.uid; 9407 bp.sourcePackage = p.info.packageName; 9408 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9409 if (chatty) { 9410 if (r == null) { 9411 r = new StringBuilder(256); 9412 } else { 9413 r.append(' '); 9414 } 9415 r.append(p.info.name); 9416 } 9417 } else { 9418 Slog.w(TAG, "Permission " + p.info.name + " from package " 9419 + p.info.packageName + " ignored: base tree " 9420 + tree.name + " is from package " 9421 + tree.sourcePackage); 9422 } 9423 } else { 9424 Slog.w(TAG, "Permission " + p.info.name + " from package " 9425 + p.info.packageName + " ignored: original from " 9426 + bp.sourcePackage); 9427 } 9428 } else if (chatty) { 9429 if (r == null) { 9430 r = new StringBuilder(256); 9431 } else { 9432 r.append(' '); 9433 } 9434 r.append("DUP:"); 9435 r.append(p.info.name); 9436 } 9437 if (bp.perm == p) { 9438 bp.protectionLevel = p.info.protectionLevel; 9439 } 9440 } 9441 9442 if (r != null) { 9443 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9444 } 9445 9446 N = pkg.instrumentation.size(); 9447 r = null; 9448 for (i=0; i<N; i++) { 9449 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9450 a.info.packageName = pkg.applicationInfo.packageName; 9451 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9452 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9453 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9454 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9455 a.info.dataDir = pkg.applicationInfo.dataDir; 9456 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9457 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9458 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9459 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9460 mInstrumentation.put(a.getComponentName(), a); 9461 if (chatty) { 9462 if (r == null) { 9463 r = new StringBuilder(256); 9464 } else { 9465 r.append(' '); 9466 } 9467 r.append(a.info.name); 9468 } 9469 } 9470 if (r != null) { 9471 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9472 } 9473 9474 if (pkg.protectedBroadcasts != null) { 9475 N = pkg.protectedBroadcasts.size(); 9476 for (i=0; i<N; i++) { 9477 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9478 } 9479 } 9480 9481 // Create idmap files for pairs of (packages, overlay packages). 9482 // Note: "android", ie framework-res.apk, is handled by native layers. 9483 if (pkg.mOverlayTarget != null) { 9484 // This is an overlay package. 9485 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9486 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9487 mOverlays.put(pkg.mOverlayTarget, 9488 new ArrayMap<String, PackageParser.Package>()); 9489 } 9490 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9491 map.put(pkg.packageName, pkg); 9492 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9493 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9494 createIdmapFailed = true; 9495 } 9496 } 9497 } else if (mOverlays.containsKey(pkg.packageName) && 9498 !pkg.packageName.equals("android")) { 9499 // This is a regular package, with one or more known overlay packages. 9500 createIdmapsForPackageLI(pkg); 9501 } 9502 } 9503 9504 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9505 9506 if (createIdmapFailed) { 9507 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9508 "scanPackageLI failed to createIdmap"); 9509 } 9510 } 9511 9512 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9513 PackageParser.Package update, int[] userIds) { 9514 if (existing.applicationInfo == null || update.applicationInfo == null) { 9515 // This isn't due to an app installation. 9516 return; 9517 } 9518 9519 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9520 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9521 9522 // The codePath hasn't changed, so there's nothing for us to do. 9523 if (Objects.equals(oldCodePath, newCodePath)) { 9524 return; 9525 } 9526 9527 File canonicalNewCodePath; 9528 try { 9529 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9530 } catch (IOException e) { 9531 Slog.w(TAG, "Failed to get canonical path.", e); 9532 return; 9533 } 9534 9535 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9536 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9537 // that the last component of the path (i.e, the name) doesn't need canonicalization 9538 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9539 // but may change in the future. Hopefully this function won't exist at that point. 9540 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9541 oldCodePath.getName()); 9542 9543 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9544 // with "@". 9545 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9546 if (!oldMarkerPrefix.endsWith("@")) { 9547 oldMarkerPrefix += "@"; 9548 } 9549 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9550 if (!newMarkerPrefix.endsWith("@")) { 9551 newMarkerPrefix += "@"; 9552 } 9553 9554 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9555 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9556 for (String updatedPath : updatedPaths) { 9557 String updatedPathName = new File(updatedPath).getName(); 9558 markerSuffixes.add(updatedPathName.replace('/', '@')); 9559 } 9560 9561 for (int userId : userIds) { 9562 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9563 9564 for (String markerSuffix : markerSuffixes) { 9565 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9566 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9567 if (oldForeignUseMark.exists()) { 9568 try { 9569 Os.rename(oldForeignUseMark.getAbsolutePath(), 9570 newForeignUseMark.getAbsolutePath()); 9571 } catch (ErrnoException e) { 9572 Slog.w(TAG, "Failed to rename foreign use marker", e); 9573 oldForeignUseMark.delete(); 9574 } 9575 } 9576 } 9577 } 9578 } 9579 9580 /** 9581 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9582 * is derived purely on the basis of the contents of {@code scanFile} and 9583 * {@code cpuAbiOverride}. 9584 * 9585 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9586 */ 9587 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9588 String cpuAbiOverride, boolean extractLibs, 9589 File appLib32InstallDir) 9590 throws PackageManagerException { 9591 // Give ourselves some initial paths; we'll come back for another 9592 // pass once we've determined ABI below. 9593 setNativeLibraryPaths(pkg, appLib32InstallDir); 9594 9595 // We would never need to extract libs for forward-locked and external packages, 9596 // since the container service will do it for us. We shouldn't attempt to 9597 // extract libs from system app when it was not updated. 9598 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9599 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9600 extractLibs = false; 9601 } 9602 9603 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9604 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9605 9606 NativeLibraryHelper.Handle handle = null; 9607 try { 9608 handle = NativeLibraryHelper.Handle.create(pkg); 9609 // TODO(multiArch): This can be null for apps that didn't go through the 9610 // usual installation process. We can calculate it again, like we 9611 // do during install time. 9612 // 9613 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9614 // unnecessary. 9615 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9616 9617 // Null out the abis so that they can be recalculated. 9618 pkg.applicationInfo.primaryCpuAbi = null; 9619 pkg.applicationInfo.secondaryCpuAbi = null; 9620 if (isMultiArch(pkg.applicationInfo)) { 9621 // Warn if we've set an abiOverride for multi-lib packages.. 9622 // By definition, we need to copy both 32 and 64 bit libraries for 9623 // such packages. 9624 if (pkg.cpuAbiOverride != null 9625 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9626 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9627 } 9628 9629 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9630 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9631 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9632 if (extractLibs) { 9633 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9634 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9635 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9636 useIsaSpecificSubdirs); 9637 } else { 9638 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9639 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9640 } 9641 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9642 } 9643 9644 maybeThrowExceptionForMultiArchCopy( 9645 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9646 9647 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9648 if (extractLibs) { 9649 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9650 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9651 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9652 useIsaSpecificSubdirs); 9653 } else { 9654 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9655 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9656 } 9657 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9658 } 9659 9660 maybeThrowExceptionForMultiArchCopy( 9661 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9662 9663 if (abi64 >= 0) { 9664 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9665 } 9666 9667 if (abi32 >= 0) { 9668 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9669 if (abi64 >= 0) { 9670 if (pkg.use32bitAbi) { 9671 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9672 pkg.applicationInfo.primaryCpuAbi = abi; 9673 } else { 9674 pkg.applicationInfo.secondaryCpuAbi = abi; 9675 } 9676 } else { 9677 pkg.applicationInfo.primaryCpuAbi = abi; 9678 } 9679 } 9680 9681 } else { 9682 String[] abiList = (cpuAbiOverride != null) ? 9683 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9684 9685 // Enable gross and lame hacks for apps that are built with old 9686 // SDK tools. We must scan their APKs for renderscript bitcode and 9687 // not launch them if it's present. Don't bother checking on devices 9688 // that don't have 64 bit support. 9689 boolean needsRenderScriptOverride = false; 9690 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9691 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9692 abiList = Build.SUPPORTED_32_BIT_ABIS; 9693 needsRenderScriptOverride = true; 9694 } 9695 9696 final int copyRet; 9697 if (extractLibs) { 9698 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9699 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9700 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9701 } else { 9702 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9703 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9704 } 9705 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9706 9707 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9708 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9709 "Error unpackaging native libs for app, errorCode=" + copyRet); 9710 } 9711 9712 if (copyRet >= 0) { 9713 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9714 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9715 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9716 } else if (needsRenderScriptOverride) { 9717 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9718 } 9719 } 9720 } catch (IOException ioe) { 9721 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9722 } finally { 9723 IoUtils.closeQuietly(handle); 9724 } 9725 9726 // Now that we've calculated the ABIs and determined if it's an internal app, 9727 // we will go ahead and populate the nativeLibraryPath. 9728 setNativeLibraryPaths(pkg, appLib32InstallDir); 9729 } 9730 9731 /** 9732 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9733 * i.e, so that all packages can be run inside a single process if required. 9734 * 9735 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9736 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9737 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9738 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9739 * updating a package that belongs to a shared user. 9740 * 9741 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9742 * adds unnecessary complexity. 9743 */ 9744 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9745 PackageParser.Package scannedPackage) { 9746 String requiredInstructionSet = null; 9747 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9748 requiredInstructionSet = VMRuntime.getInstructionSet( 9749 scannedPackage.applicationInfo.primaryCpuAbi); 9750 } 9751 9752 PackageSetting requirer = null; 9753 for (PackageSetting ps : packagesForUser) { 9754 // If packagesForUser contains scannedPackage, we skip it. This will happen 9755 // when scannedPackage is an update of an existing package. Without this check, 9756 // we will never be able to change the ABI of any package belonging to a shared 9757 // user, even if it's compatible with other packages. 9758 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9759 if (ps.primaryCpuAbiString == null) { 9760 continue; 9761 } 9762 9763 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9764 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9765 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9766 // this but there's not much we can do. 9767 String errorMessage = "Instruction set mismatch, " 9768 + ((requirer == null) ? "[caller]" : requirer) 9769 + " requires " + requiredInstructionSet + " whereas " + ps 9770 + " requires " + instructionSet; 9771 Slog.w(TAG, errorMessage); 9772 } 9773 9774 if (requiredInstructionSet == null) { 9775 requiredInstructionSet = instructionSet; 9776 requirer = ps; 9777 } 9778 } 9779 } 9780 9781 if (requiredInstructionSet != null) { 9782 String adjustedAbi; 9783 if (requirer != null) { 9784 // requirer != null implies that either scannedPackage was null or that scannedPackage 9785 // did not require an ABI, in which case we have to adjust scannedPackage to match 9786 // the ABI of the set (which is the same as requirer's ABI) 9787 adjustedAbi = requirer.primaryCpuAbiString; 9788 if (scannedPackage != null) { 9789 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9790 } 9791 } else { 9792 // requirer == null implies that we're updating all ABIs in the set to 9793 // match scannedPackage. 9794 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9795 } 9796 9797 for (PackageSetting ps : packagesForUser) { 9798 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9799 if (ps.primaryCpuAbiString != null) { 9800 continue; 9801 } 9802 9803 ps.primaryCpuAbiString = adjustedAbi; 9804 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9805 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9806 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9807 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9808 + " (requirer=" 9809 + (requirer == null ? "null" : requirer.pkg.packageName) 9810 + ", scannedPackage=" 9811 + (scannedPackage != null ? scannedPackage.packageName : "null") 9812 + ")"); 9813 try { 9814 mInstaller.rmdex(ps.codePathString, 9815 getDexCodeInstructionSet(getPreferredInstructionSet())); 9816 } catch (InstallerException ignored) { 9817 } 9818 } 9819 } 9820 } 9821 } 9822 } 9823 9824 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9825 synchronized (mPackages) { 9826 mResolverReplaced = true; 9827 // Set up information for custom user intent resolution activity. 9828 mResolveActivity.applicationInfo = pkg.applicationInfo; 9829 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9830 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9831 mResolveActivity.processName = pkg.applicationInfo.packageName; 9832 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9833 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9834 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9835 mResolveActivity.theme = 0; 9836 mResolveActivity.exported = true; 9837 mResolveActivity.enabled = true; 9838 mResolveInfo.activityInfo = mResolveActivity; 9839 mResolveInfo.priority = 0; 9840 mResolveInfo.preferredOrder = 0; 9841 mResolveInfo.match = 0; 9842 mResolveComponentName = mCustomResolverComponentName; 9843 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9844 mResolveComponentName); 9845 } 9846 } 9847 9848 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9849 if (installerComponent == null) { 9850 if (DEBUG_EPHEMERAL) { 9851 Slog.d(TAG, "Clear ephemeral installer activity"); 9852 } 9853 mEphemeralInstallerActivity.applicationInfo = null; 9854 return; 9855 } 9856 9857 if (DEBUG_EPHEMERAL) { 9858 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 9859 } 9860 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9861 // Set up information for ephemeral installer activity 9862 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9863 mEphemeralInstallerActivity.name = installerComponent.getClassName(); 9864 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9865 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9866 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9867 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9868 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9869 mEphemeralInstallerActivity.theme = 0; 9870 mEphemeralInstallerActivity.exported = true; 9871 mEphemeralInstallerActivity.enabled = true; 9872 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9873 mEphemeralInstallerInfo.priority = 0; 9874 mEphemeralInstallerInfo.preferredOrder = 1; 9875 mEphemeralInstallerInfo.isDefault = true; 9876 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9877 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9878 } 9879 9880 private static String calculateBundledApkRoot(final String codePathString) { 9881 final File codePath = new File(codePathString); 9882 final File codeRoot; 9883 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9884 codeRoot = Environment.getRootDirectory(); 9885 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9886 codeRoot = Environment.getOemDirectory(); 9887 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9888 codeRoot = Environment.getVendorDirectory(); 9889 } else { 9890 // Unrecognized code path; take its top real segment as the apk root: 9891 // e.g. /something/app/blah.apk => /something 9892 try { 9893 File f = codePath.getCanonicalFile(); 9894 File parent = f.getParentFile(); // non-null because codePath is a file 9895 File tmp; 9896 while ((tmp = parent.getParentFile()) != null) { 9897 f = parent; 9898 parent = tmp; 9899 } 9900 codeRoot = f; 9901 Slog.w(TAG, "Unrecognized code path " 9902 + codePath + " - using " + codeRoot); 9903 } catch (IOException e) { 9904 // Can't canonicalize the code path -- shenanigans? 9905 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9906 return Environment.getRootDirectory().getPath(); 9907 } 9908 } 9909 return codeRoot.getPath(); 9910 } 9911 9912 /** 9913 * Derive and set the location of native libraries for the given package, 9914 * which varies depending on where and how the package was installed. 9915 */ 9916 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9917 final ApplicationInfo info = pkg.applicationInfo; 9918 final String codePath = pkg.codePath; 9919 final File codeFile = new File(codePath); 9920 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9921 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9922 9923 info.nativeLibraryRootDir = null; 9924 info.nativeLibraryRootRequiresIsa = false; 9925 info.nativeLibraryDir = null; 9926 info.secondaryNativeLibraryDir = null; 9927 9928 if (isApkFile(codeFile)) { 9929 // Monolithic install 9930 if (bundledApp) { 9931 // If "/system/lib64/apkname" exists, assume that is the per-package 9932 // native library directory to use; otherwise use "/system/lib/apkname". 9933 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9934 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9935 getPrimaryInstructionSet(info)); 9936 9937 // This is a bundled system app so choose the path based on the ABI. 9938 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9939 // is just the default path. 9940 final String apkName = deriveCodePathName(codePath); 9941 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9942 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9943 apkName).getAbsolutePath(); 9944 9945 if (info.secondaryCpuAbi != null) { 9946 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9947 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9948 secondaryLibDir, apkName).getAbsolutePath(); 9949 } 9950 } else if (asecApp) { 9951 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9952 .getAbsolutePath(); 9953 } else { 9954 final String apkName = deriveCodePathName(codePath); 9955 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9956 .getAbsolutePath(); 9957 } 9958 9959 info.nativeLibraryRootRequiresIsa = false; 9960 info.nativeLibraryDir = info.nativeLibraryRootDir; 9961 } else { 9962 // Cluster install 9963 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9964 info.nativeLibraryRootRequiresIsa = true; 9965 9966 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9967 getPrimaryInstructionSet(info)).getAbsolutePath(); 9968 9969 if (info.secondaryCpuAbi != null) { 9970 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9971 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9972 } 9973 } 9974 } 9975 9976 /** 9977 * Calculate the abis and roots for a bundled app. These can uniquely 9978 * be determined from the contents of the system partition, i.e whether 9979 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9980 * of this information, and instead assume that the system was built 9981 * sensibly. 9982 */ 9983 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9984 PackageSetting pkgSetting) { 9985 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9986 9987 // If "/system/lib64/apkname" exists, assume that is the per-package 9988 // native library directory to use; otherwise use "/system/lib/apkname". 9989 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9990 setBundledAppAbi(pkg, apkRoot, apkName); 9991 // pkgSetting might be null during rescan following uninstall of updates 9992 // to a bundled app, so accommodate that possibility. The settings in 9993 // that case will be established later from the parsed package. 9994 // 9995 // If the settings aren't null, sync them up with what we've just derived. 9996 // note that apkRoot isn't stored in the package settings. 9997 if (pkgSetting != null) { 9998 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9999 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10000 } 10001 } 10002 10003 /** 10004 * Deduces the ABI of a bundled app and sets the relevant fields on the 10005 * parsed pkg object. 10006 * 10007 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10008 * under which system libraries are installed. 10009 * @param apkName the name of the installed package. 10010 */ 10011 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10012 final File codeFile = new File(pkg.codePath); 10013 10014 final boolean has64BitLibs; 10015 final boolean has32BitLibs; 10016 if (isApkFile(codeFile)) { 10017 // Monolithic install 10018 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10019 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10020 } else { 10021 // Cluster install 10022 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10023 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10024 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10025 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10026 has64BitLibs = (new File(rootDir, isa)).exists(); 10027 } else { 10028 has64BitLibs = false; 10029 } 10030 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10031 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10032 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10033 has32BitLibs = (new File(rootDir, isa)).exists(); 10034 } else { 10035 has32BitLibs = false; 10036 } 10037 } 10038 10039 if (has64BitLibs && !has32BitLibs) { 10040 // The package has 64 bit libs, but not 32 bit libs. Its primary 10041 // ABI should be 64 bit. We can safely assume here that the bundled 10042 // native libraries correspond to the most preferred ABI in the list. 10043 10044 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10045 pkg.applicationInfo.secondaryCpuAbi = null; 10046 } else if (has32BitLibs && !has64BitLibs) { 10047 // The package has 32 bit libs but not 64 bit libs. Its primary 10048 // ABI should be 32 bit. 10049 10050 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10051 pkg.applicationInfo.secondaryCpuAbi = null; 10052 } else if (has32BitLibs && has64BitLibs) { 10053 // The application has both 64 and 32 bit bundled libraries. We check 10054 // here that the app declares multiArch support, and warn if it doesn't. 10055 // 10056 // We will be lenient here and record both ABIs. The primary will be the 10057 // ABI that's higher on the list, i.e, a device that's configured to prefer 10058 // 64 bit apps will see a 64 bit primary ABI, 10059 10060 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10061 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10062 } 10063 10064 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10065 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10066 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10067 } else { 10068 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10069 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10070 } 10071 } else { 10072 pkg.applicationInfo.primaryCpuAbi = null; 10073 pkg.applicationInfo.secondaryCpuAbi = null; 10074 } 10075 } 10076 10077 private void killApplication(String pkgName, int appId, String reason) { 10078 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10079 } 10080 10081 private void killApplication(String pkgName, int appId, int userId, String reason) { 10082 // Request the ActivityManager to kill the process(only for existing packages) 10083 // so that we do not end up in a confused state while the user is still using the older 10084 // version of the application while the new one gets installed. 10085 final long token = Binder.clearCallingIdentity(); 10086 try { 10087 IActivityManager am = ActivityManager.getService(); 10088 if (am != null) { 10089 try { 10090 am.killApplication(pkgName, appId, userId, reason); 10091 } catch (RemoteException e) { 10092 } 10093 } 10094 } finally { 10095 Binder.restoreCallingIdentity(token); 10096 } 10097 } 10098 10099 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10100 // Remove the parent package setting 10101 PackageSetting ps = (PackageSetting) pkg.mExtras; 10102 if (ps != null) { 10103 removePackageLI(ps, chatty); 10104 } 10105 // Remove the child package setting 10106 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10107 for (int i = 0; i < childCount; i++) { 10108 PackageParser.Package childPkg = pkg.childPackages.get(i); 10109 ps = (PackageSetting) childPkg.mExtras; 10110 if (ps != null) { 10111 removePackageLI(ps, chatty); 10112 } 10113 } 10114 } 10115 10116 void removePackageLI(PackageSetting ps, boolean chatty) { 10117 if (DEBUG_INSTALL) { 10118 if (chatty) 10119 Log.d(TAG, "Removing package " + ps.name); 10120 } 10121 10122 // writer 10123 synchronized (mPackages) { 10124 mPackages.remove(ps.name); 10125 final PackageParser.Package pkg = ps.pkg; 10126 if (pkg != null) { 10127 cleanPackageDataStructuresLILPw(pkg, chatty); 10128 } 10129 } 10130 } 10131 10132 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10133 if (DEBUG_INSTALL) { 10134 if (chatty) 10135 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10136 } 10137 10138 // writer 10139 synchronized (mPackages) { 10140 // Remove the parent package 10141 mPackages.remove(pkg.applicationInfo.packageName); 10142 cleanPackageDataStructuresLILPw(pkg, chatty); 10143 10144 // Remove the child packages 10145 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10146 for (int i = 0; i < childCount; i++) { 10147 PackageParser.Package childPkg = pkg.childPackages.get(i); 10148 mPackages.remove(childPkg.applicationInfo.packageName); 10149 cleanPackageDataStructuresLILPw(childPkg, chatty); 10150 } 10151 } 10152 } 10153 10154 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10155 int N = pkg.providers.size(); 10156 StringBuilder r = null; 10157 int i; 10158 for (i=0; i<N; i++) { 10159 PackageParser.Provider p = pkg.providers.get(i); 10160 mProviders.removeProvider(p); 10161 if (p.info.authority == null) { 10162 10163 /* There was another ContentProvider with this authority when 10164 * this app was installed so this authority is null, 10165 * Ignore it as we don't have to unregister the provider. 10166 */ 10167 continue; 10168 } 10169 String names[] = p.info.authority.split(";"); 10170 for (int j = 0; j < names.length; j++) { 10171 if (mProvidersByAuthority.get(names[j]) == p) { 10172 mProvidersByAuthority.remove(names[j]); 10173 if (DEBUG_REMOVE) { 10174 if (chatty) 10175 Log.d(TAG, "Unregistered content provider: " + names[j] 10176 + ", className = " + p.info.name + ", isSyncable = " 10177 + p.info.isSyncable); 10178 } 10179 } 10180 } 10181 if (DEBUG_REMOVE && chatty) { 10182 if (r == null) { 10183 r = new StringBuilder(256); 10184 } else { 10185 r.append(' '); 10186 } 10187 r.append(p.info.name); 10188 } 10189 } 10190 if (r != null) { 10191 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10192 } 10193 10194 N = pkg.services.size(); 10195 r = null; 10196 for (i=0; i<N; i++) { 10197 PackageParser.Service s = pkg.services.get(i); 10198 mServices.removeService(s); 10199 if (chatty) { 10200 if (r == null) { 10201 r = new StringBuilder(256); 10202 } else { 10203 r.append(' '); 10204 } 10205 r.append(s.info.name); 10206 } 10207 } 10208 if (r != null) { 10209 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10210 } 10211 10212 N = pkg.receivers.size(); 10213 r = null; 10214 for (i=0; i<N; i++) { 10215 PackageParser.Activity a = pkg.receivers.get(i); 10216 mReceivers.removeActivity(a, "receiver"); 10217 if (DEBUG_REMOVE && chatty) { 10218 if (r == null) { 10219 r = new StringBuilder(256); 10220 } else { 10221 r.append(' '); 10222 } 10223 r.append(a.info.name); 10224 } 10225 } 10226 if (r != null) { 10227 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10228 } 10229 10230 N = pkg.activities.size(); 10231 r = null; 10232 for (i=0; i<N; i++) { 10233 PackageParser.Activity a = pkg.activities.get(i); 10234 mActivities.removeActivity(a, "activity"); 10235 if (DEBUG_REMOVE && chatty) { 10236 if (r == null) { 10237 r = new StringBuilder(256); 10238 } else { 10239 r.append(' '); 10240 } 10241 r.append(a.info.name); 10242 } 10243 } 10244 if (r != null) { 10245 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 10246 } 10247 10248 N = pkg.permissions.size(); 10249 r = null; 10250 for (i=0; i<N; i++) { 10251 PackageParser.Permission p = pkg.permissions.get(i); 10252 BasePermission bp = mSettings.mPermissions.get(p.info.name); 10253 if (bp == null) { 10254 bp = mSettings.mPermissionTrees.get(p.info.name); 10255 } 10256 if (bp != null && bp.perm == p) { 10257 bp.perm = null; 10258 if (DEBUG_REMOVE && chatty) { 10259 if (r == null) { 10260 r = new StringBuilder(256); 10261 } else { 10262 r.append(' '); 10263 } 10264 r.append(p.info.name); 10265 } 10266 } 10267 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10268 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 10269 if (appOpPkgs != null) { 10270 appOpPkgs.remove(pkg.packageName); 10271 } 10272 } 10273 } 10274 if (r != null) { 10275 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10276 } 10277 10278 N = pkg.requestedPermissions.size(); 10279 r = null; 10280 for (i=0; i<N; i++) { 10281 String perm = pkg.requestedPermissions.get(i); 10282 BasePermission bp = mSettings.mPermissions.get(perm); 10283 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10284 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 10285 if (appOpPkgs != null) { 10286 appOpPkgs.remove(pkg.packageName); 10287 if (appOpPkgs.isEmpty()) { 10288 mAppOpPermissionPackages.remove(perm); 10289 } 10290 } 10291 } 10292 } 10293 if (r != null) { 10294 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10295 } 10296 10297 N = pkg.instrumentation.size(); 10298 r = null; 10299 for (i=0; i<N; i++) { 10300 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10301 mInstrumentation.remove(a.getComponentName()); 10302 if (DEBUG_REMOVE && chatty) { 10303 if (r == null) { 10304 r = new StringBuilder(256); 10305 } else { 10306 r.append(' '); 10307 } 10308 r.append(a.info.name); 10309 } 10310 } 10311 if (r != null) { 10312 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 10313 } 10314 10315 r = null; 10316 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 10317 // Only system apps can hold shared libraries. 10318 if (pkg.libraryNames != null) { 10319 for (i=0; i<pkg.libraryNames.size(); i++) { 10320 String name = pkg.libraryNames.get(i); 10321 SharedLibraryEntry cur = mSharedLibraries.get(name); 10322 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 10323 mSharedLibraries.remove(name); 10324 if (DEBUG_REMOVE && chatty) { 10325 if (r == null) { 10326 r = new StringBuilder(256); 10327 } else { 10328 r.append(' '); 10329 } 10330 r.append(name); 10331 } 10332 } 10333 } 10334 } 10335 } 10336 if (r != null) { 10337 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 10338 } 10339 } 10340 10341 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 10342 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 10343 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 10344 return true; 10345 } 10346 } 10347 return false; 10348 } 10349 10350 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 10351 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 10352 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 10353 10354 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 10355 // Update the parent permissions 10356 updatePermissionsLPw(pkg.packageName, pkg, flags); 10357 // Update the child permissions 10358 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10359 for (int i = 0; i < childCount; i++) { 10360 PackageParser.Package childPkg = pkg.childPackages.get(i); 10361 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 10362 } 10363 } 10364 10365 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 10366 int flags) { 10367 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 10368 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 10369 } 10370 10371 private void updatePermissionsLPw(String changingPkg, 10372 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 10373 // Make sure there are no dangling permission trees. 10374 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 10375 while (it.hasNext()) { 10376 final BasePermission bp = it.next(); 10377 if (bp.packageSetting == null) { 10378 // We may not yet have parsed the package, so just see if 10379 // we still know about its settings. 10380 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10381 } 10382 if (bp.packageSetting == null) { 10383 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 10384 + " from package " + bp.sourcePackage); 10385 it.remove(); 10386 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10387 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10388 Slog.i(TAG, "Removing old permission tree: " + bp.name 10389 + " from package " + bp.sourcePackage); 10390 flags |= UPDATE_PERMISSIONS_ALL; 10391 it.remove(); 10392 } 10393 } 10394 } 10395 10396 // Make sure all dynamic permissions have been assigned to a package, 10397 // and make sure there are no dangling permissions. 10398 it = mSettings.mPermissions.values().iterator(); 10399 while (it.hasNext()) { 10400 final BasePermission bp = it.next(); 10401 if (bp.type == BasePermission.TYPE_DYNAMIC) { 10402 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 10403 + bp.name + " pkg=" + bp.sourcePackage 10404 + " info=" + bp.pendingInfo); 10405 if (bp.packageSetting == null && bp.pendingInfo != null) { 10406 final BasePermission tree = findPermissionTreeLP(bp.name); 10407 if (tree != null && tree.perm != null) { 10408 bp.packageSetting = tree.packageSetting; 10409 bp.perm = new PackageParser.Permission(tree.perm.owner, 10410 new PermissionInfo(bp.pendingInfo)); 10411 bp.perm.info.packageName = tree.perm.info.packageName; 10412 bp.perm.info.name = bp.name; 10413 bp.uid = tree.uid; 10414 } 10415 } 10416 } 10417 if (bp.packageSetting == null) { 10418 // We may not yet have parsed the package, so just see if 10419 // we still know about its settings. 10420 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10421 } 10422 if (bp.packageSetting == null) { 10423 Slog.w(TAG, "Removing dangling permission: " + bp.name 10424 + " from package " + bp.sourcePackage); 10425 it.remove(); 10426 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10427 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10428 Slog.i(TAG, "Removing old permission: " + bp.name 10429 + " from package " + bp.sourcePackage); 10430 flags |= UPDATE_PERMISSIONS_ALL; 10431 it.remove(); 10432 } 10433 } 10434 } 10435 10436 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10437 // Now update the permissions for all packages, in particular 10438 // replace the granted permissions of the system packages. 10439 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10440 for (PackageParser.Package pkg : mPackages.values()) { 10441 if (pkg != pkgInfo) { 10442 // Only replace for packages on requested volume 10443 final String volumeUuid = getVolumeUuidForPackage(pkg); 10444 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10445 && Objects.equals(replaceVolumeUuid, volumeUuid); 10446 grantPermissionsLPw(pkg, replace, changingPkg); 10447 } 10448 } 10449 } 10450 10451 if (pkgInfo != null) { 10452 // Only replace for packages on requested volume 10453 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10454 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10455 && Objects.equals(replaceVolumeUuid, volumeUuid); 10456 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10457 } 10458 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10459 } 10460 10461 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10462 String packageOfInterest) { 10463 // IMPORTANT: There are two types of permissions: install and runtime. 10464 // Install time permissions are granted when the app is installed to 10465 // all device users and users added in the future. Runtime permissions 10466 // are granted at runtime explicitly to specific users. Normal and signature 10467 // protected permissions are install time permissions. Dangerous permissions 10468 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10469 // otherwise they are runtime permissions. This function does not manage 10470 // runtime permissions except for the case an app targeting Lollipop MR1 10471 // being upgraded to target a newer SDK, in which case dangerous permissions 10472 // are transformed from install time to runtime ones. 10473 10474 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10475 if (ps == null) { 10476 return; 10477 } 10478 10479 PermissionsState permissionsState = ps.getPermissionsState(); 10480 PermissionsState origPermissions = permissionsState; 10481 10482 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10483 10484 boolean runtimePermissionsRevoked = false; 10485 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10486 10487 boolean changedInstallPermission = false; 10488 10489 if (replace) { 10490 ps.installPermissionsFixed = false; 10491 if (!ps.isSharedUser()) { 10492 origPermissions = new PermissionsState(permissionsState); 10493 permissionsState.reset(); 10494 } else { 10495 // We need to know only about runtime permission changes since the 10496 // calling code always writes the install permissions state but 10497 // the runtime ones are written only if changed. The only cases of 10498 // changed runtime permissions here are promotion of an install to 10499 // runtime and revocation of a runtime from a shared user. 10500 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10501 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10502 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10503 runtimePermissionsRevoked = true; 10504 } 10505 } 10506 } 10507 10508 permissionsState.setGlobalGids(mGlobalGids); 10509 10510 final int N = pkg.requestedPermissions.size(); 10511 for (int i=0; i<N; i++) { 10512 final String name = pkg.requestedPermissions.get(i); 10513 final BasePermission bp = mSettings.mPermissions.get(name); 10514 10515 if (DEBUG_INSTALL) { 10516 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10517 } 10518 10519 if (bp == null || bp.packageSetting == null) { 10520 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10521 Slog.w(TAG, "Unknown permission " + name 10522 + " in package " + pkg.packageName); 10523 } 10524 continue; 10525 } 10526 10527 10528 // Limit ephemeral apps to ephemeral allowed permissions. 10529 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 10530 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 10531 + pkg.packageName); 10532 continue; 10533 } 10534 10535 final String perm = bp.name; 10536 boolean allowedSig = false; 10537 int grant = GRANT_DENIED; 10538 10539 // Keep track of app op permissions. 10540 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10541 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10542 if (pkgs == null) { 10543 pkgs = new ArraySet<>(); 10544 mAppOpPermissionPackages.put(bp.name, pkgs); 10545 } 10546 pkgs.add(pkg.packageName); 10547 } 10548 10549 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10550 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10551 >= Build.VERSION_CODES.M; 10552 switch (level) { 10553 case PermissionInfo.PROTECTION_NORMAL: { 10554 // For all apps normal permissions are install time ones. 10555 grant = GRANT_INSTALL; 10556 } break; 10557 10558 case PermissionInfo.PROTECTION_DANGEROUS: { 10559 // If a permission review is required for legacy apps we represent 10560 // their permissions as always granted runtime ones since we need 10561 // to keep the review required permission flag per user while an 10562 // install permission's state is shared across all users. 10563 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10564 // For legacy apps dangerous permissions are install time ones. 10565 grant = GRANT_INSTALL; 10566 } else if (origPermissions.hasInstallPermission(bp.name)) { 10567 // For legacy apps that became modern, install becomes runtime. 10568 grant = GRANT_UPGRADE; 10569 } else if (mPromoteSystemApps 10570 && isSystemApp(ps) 10571 && mExistingSystemPackages.contains(ps.name)) { 10572 // For legacy system apps, install becomes runtime. 10573 // We cannot check hasInstallPermission() for system apps since those 10574 // permissions were granted implicitly and not persisted pre-M. 10575 grant = GRANT_UPGRADE; 10576 } else { 10577 // For modern apps keep runtime permissions unchanged. 10578 grant = GRANT_RUNTIME; 10579 } 10580 } break; 10581 10582 case PermissionInfo.PROTECTION_SIGNATURE: { 10583 // For all apps signature permissions are install time ones. 10584 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10585 if (allowedSig) { 10586 grant = GRANT_INSTALL; 10587 } 10588 } break; 10589 } 10590 10591 if (DEBUG_INSTALL) { 10592 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10593 } 10594 10595 if (grant != GRANT_DENIED) { 10596 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10597 // If this is an existing, non-system package, then 10598 // we can't add any new permissions to it. 10599 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10600 // Except... if this is a permission that was added 10601 // to the platform (note: need to only do this when 10602 // updating the platform). 10603 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10604 grant = GRANT_DENIED; 10605 } 10606 } 10607 } 10608 10609 switch (grant) { 10610 case GRANT_INSTALL: { 10611 // Revoke this as runtime permission to handle the case of 10612 // a runtime permission being downgraded to an install one. 10613 // Also in permission review mode we keep dangerous permissions 10614 // for legacy apps 10615 for (int userId : UserManagerService.getInstance().getUserIds()) { 10616 if (origPermissions.getRuntimePermissionState( 10617 bp.name, userId) != null) { 10618 // Revoke the runtime permission and clear the flags. 10619 origPermissions.revokeRuntimePermission(bp, userId); 10620 origPermissions.updatePermissionFlags(bp, userId, 10621 PackageManager.MASK_PERMISSION_FLAGS, 0); 10622 // If we revoked a permission permission, we have to write. 10623 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10624 changedRuntimePermissionUserIds, userId); 10625 } 10626 } 10627 // Grant an install permission. 10628 if (permissionsState.grantInstallPermission(bp) != 10629 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10630 changedInstallPermission = true; 10631 } 10632 } break; 10633 10634 case GRANT_RUNTIME: { 10635 // Grant previously granted runtime permissions. 10636 for (int userId : UserManagerService.getInstance().getUserIds()) { 10637 PermissionState permissionState = origPermissions 10638 .getRuntimePermissionState(bp.name, userId); 10639 int flags = permissionState != null 10640 ? permissionState.getFlags() : 0; 10641 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10642 // Don't propagate the permission in a permission review mode if 10643 // the former was revoked, i.e. marked to not propagate on upgrade. 10644 // Note that in a permission review mode install permissions are 10645 // represented as constantly granted runtime ones since we need to 10646 // keep a per user state associated with the permission. Also the 10647 // revoke on upgrade flag is no longer applicable and is reset. 10648 final boolean revokeOnUpgrade = (flags & PackageManager 10649 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 10650 if (revokeOnUpgrade) { 10651 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 10652 // Since we changed the flags, we have to write. 10653 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10654 changedRuntimePermissionUserIds, userId); 10655 } 10656 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 10657 if (permissionsState.grantRuntimePermission(bp, userId) == 10658 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10659 // If we cannot put the permission as it was, 10660 // we have to write. 10661 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10662 changedRuntimePermissionUserIds, userId); 10663 } 10664 } 10665 10666 // If the app supports runtime permissions no need for a review. 10667 if (mPermissionReviewRequired 10668 && appSupportsRuntimePermissions 10669 && (flags & PackageManager 10670 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10671 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10672 // Since we changed the flags, we have to write. 10673 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10674 changedRuntimePermissionUserIds, userId); 10675 } 10676 } else if (mPermissionReviewRequired 10677 && !appSupportsRuntimePermissions) { 10678 // For legacy apps that need a permission review, every new 10679 // runtime permission is granted but it is pending a review. 10680 // We also need to review only platform defined runtime 10681 // permissions as these are the only ones the platform knows 10682 // how to disable the API to simulate revocation as legacy 10683 // apps don't expect to run with revoked permissions. 10684 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10685 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10686 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10687 // We changed the flags, hence have to write. 10688 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10689 changedRuntimePermissionUserIds, userId); 10690 } 10691 } 10692 if (permissionsState.grantRuntimePermission(bp, userId) 10693 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10694 // We changed the permission, hence have to write. 10695 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10696 changedRuntimePermissionUserIds, userId); 10697 } 10698 } 10699 // Propagate the permission flags. 10700 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10701 } 10702 } break; 10703 10704 case GRANT_UPGRADE: { 10705 // Grant runtime permissions for a previously held install permission. 10706 PermissionState permissionState = origPermissions 10707 .getInstallPermissionState(bp.name); 10708 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10709 10710 if (origPermissions.revokeInstallPermission(bp) 10711 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10712 // We will be transferring the permission flags, so clear them. 10713 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10714 PackageManager.MASK_PERMISSION_FLAGS, 0); 10715 changedInstallPermission = true; 10716 } 10717 10718 // If the permission is not to be promoted to runtime we ignore it and 10719 // also its other flags as they are not applicable to install permissions. 10720 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10721 for (int userId : currentUserIds) { 10722 if (permissionsState.grantRuntimePermission(bp, userId) != 10723 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10724 // Transfer the permission flags. 10725 permissionsState.updatePermissionFlags(bp, userId, 10726 flags, flags); 10727 // If we granted the permission, we have to write. 10728 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10729 changedRuntimePermissionUserIds, userId); 10730 } 10731 } 10732 } 10733 } break; 10734 10735 default: { 10736 if (packageOfInterest == null 10737 || packageOfInterest.equals(pkg.packageName)) { 10738 Slog.w(TAG, "Not granting permission " + perm 10739 + " to package " + pkg.packageName 10740 + " because it was previously installed without"); 10741 } 10742 } break; 10743 } 10744 } else { 10745 if (permissionsState.revokeInstallPermission(bp) != 10746 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10747 // Also drop the permission flags. 10748 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10749 PackageManager.MASK_PERMISSION_FLAGS, 0); 10750 changedInstallPermission = true; 10751 Slog.i(TAG, "Un-granting permission " + perm 10752 + " from package " + pkg.packageName 10753 + " (protectionLevel=" + bp.protectionLevel 10754 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10755 + ")"); 10756 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10757 // Don't print warning for app op permissions, since it is fine for them 10758 // not to be granted, there is a UI for the user to decide. 10759 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10760 Slog.w(TAG, "Not granting permission " + perm 10761 + " to package " + pkg.packageName 10762 + " (protectionLevel=" + bp.protectionLevel 10763 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10764 + ")"); 10765 } 10766 } 10767 } 10768 } 10769 10770 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10771 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10772 // This is the first that we have heard about this package, so the 10773 // permissions we have now selected are fixed until explicitly 10774 // changed. 10775 ps.installPermissionsFixed = true; 10776 } 10777 10778 // Persist the runtime permissions state for users with changes. If permissions 10779 // were revoked because no app in the shared user declares them we have to 10780 // write synchronously to avoid losing runtime permissions state. 10781 for (int userId : changedRuntimePermissionUserIds) { 10782 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10783 } 10784 } 10785 10786 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10787 boolean allowed = false; 10788 final int NP = PackageParser.NEW_PERMISSIONS.length; 10789 for (int ip=0; ip<NP; ip++) { 10790 final PackageParser.NewPermissionInfo npi 10791 = PackageParser.NEW_PERMISSIONS[ip]; 10792 if (npi.name.equals(perm) 10793 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10794 allowed = true; 10795 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10796 + pkg.packageName); 10797 break; 10798 } 10799 } 10800 return allowed; 10801 } 10802 10803 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10804 BasePermission bp, PermissionsState origPermissions) { 10805 boolean privilegedPermission = (bp.protectionLevel 10806 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 10807 boolean privappPermissionsDisable = 10808 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 10809 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 10810 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 10811 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 10812 && !platformPackage && platformPermission) { 10813 ArraySet<String> wlPermissions = SystemConfig.getInstance() 10814 .getPrivAppPermissions(pkg.packageName); 10815 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 10816 if (!whitelisted) { 10817 Slog.w(TAG, "Privileged permission " + perm + " for package " 10818 + pkg.packageName + " - not in privapp-permissions whitelist"); 10819 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 10820 return false; 10821 } 10822 } 10823 } 10824 boolean allowed = (compareSignatures( 10825 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10826 == PackageManager.SIGNATURE_MATCH) 10827 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10828 == PackageManager.SIGNATURE_MATCH); 10829 if (!allowed && privilegedPermission) { 10830 if (isSystemApp(pkg)) { 10831 // For updated system applications, a system permission 10832 // is granted only if it had been defined by the original application. 10833 if (pkg.isUpdatedSystemApp()) { 10834 final PackageSetting sysPs = mSettings 10835 .getDisabledSystemPkgLPr(pkg.packageName); 10836 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10837 // If the original was granted this permission, we take 10838 // that grant decision as read and propagate it to the 10839 // update. 10840 if (sysPs.isPrivileged()) { 10841 allowed = true; 10842 } 10843 } else { 10844 // The system apk may have been updated with an older 10845 // version of the one on the data partition, but which 10846 // granted a new system permission that it didn't have 10847 // before. In this case we do want to allow the app to 10848 // now get the new permission if the ancestral apk is 10849 // privileged to get it. 10850 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10851 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10852 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10853 allowed = true; 10854 break; 10855 } 10856 } 10857 } 10858 // Also if a privileged parent package on the system image or any of 10859 // its children requested a privileged permission, the updated child 10860 // packages can also get the permission. 10861 if (pkg.parentPackage != null) { 10862 final PackageSetting disabledSysParentPs = mSettings 10863 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10864 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10865 && disabledSysParentPs.isPrivileged()) { 10866 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10867 allowed = true; 10868 } else if (disabledSysParentPs.pkg.childPackages != null) { 10869 final int count = disabledSysParentPs.pkg.childPackages.size(); 10870 for (int i = 0; i < count; i++) { 10871 PackageParser.Package disabledSysChildPkg = 10872 disabledSysParentPs.pkg.childPackages.get(i); 10873 if (isPackageRequestingPermission(disabledSysChildPkg, 10874 perm)) { 10875 allowed = true; 10876 break; 10877 } 10878 } 10879 } 10880 } 10881 } 10882 } 10883 } else { 10884 allowed = isPrivilegedApp(pkg); 10885 } 10886 } 10887 } 10888 if (!allowed) { 10889 if (!allowed && (bp.protectionLevel 10890 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10891 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10892 // If this was a previously normal/dangerous permission that got moved 10893 // to a system permission as part of the runtime permission redesign, then 10894 // we still want to blindly grant it to old apps. 10895 allowed = true; 10896 } 10897 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10898 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10899 // If this permission is to be granted to the system installer and 10900 // this app is an installer, then it gets the permission. 10901 allowed = true; 10902 } 10903 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10904 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10905 // If this permission is to be granted to the system verifier and 10906 // this app is a verifier, then it gets the permission. 10907 allowed = true; 10908 } 10909 if (!allowed && (bp.protectionLevel 10910 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10911 && isSystemApp(pkg)) { 10912 // Any pre-installed system app is allowed to get this permission. 10913 allowed = true; 10914 } 10915 if (!allowed && (bp.protectionLevel 10916 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10917 // For development permissions, a development permission 10918 // is granted only if it was already granted. 10919 allowed = origPermissions.hasInstallPermission(perm); 10920 } 10921 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10922 && pkg.packageName.equals(mSetupWizardPackage)) { 10923 // If this permission is to be granted to the system setup wizard and 10924 // this app is a setup wizard, then it gets the permission. 10925 allowed = true; 10926 } 10927 } 10928 return allowed; 10929 } 10930 10931 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10932 final int permCount = pkg.requestedPermissions.size(); 10933 for (int j = 0; j < permCount; j++) { 10934 String requestedPermission = pkg.requestedPermissions.get(j); 10935 if (permission.equals(requestedPermission)) { 10936 return true; 10937 } 10938 } 10939 return false; 10940 } 10941 10942 final class ActivityIntentResolver 10943 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10944 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10945 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 10946 if (!sUserManager.exists(userId)) return null; 10947 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0) 10948 | (visibleToEphemeral ? PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY : 0) 10949 | (isEphemeral ? PackageManager.MATCH_EPHEMERAL : 0); 10950 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 10951 isEphemeral, userId); 10952 } 10953 10954 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10955 int userId) { 10956 if (!sUserManager.exists(userId)) return null; 10957 mFlags = flags; 10958 return super.queryIntent(intent, resolvedType, 10959 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 10960 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 10961 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 10962 } 10963 10964 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10965 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10966 if (!sUserManager.exists(userId)) return null; 10967 if (packageActivities == null) { 10968 return null; 10969 } 10970 mFlags = flags; 10971 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10972 final boolean vislbleToEphemeral = 10973 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 10974 final boolean isEphemeral = (flags & PackageManager.MATCH_EPHEMERAL) != 0; 10975 final int N = packageActivities.size(); 10976 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10977 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10978 10979 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10980 for (int i = 0; i < N; ++i) { 10981 intentFilters = packageActivities.get(i).intents; 10982 if (intentFilters != null && intentFilters.size() > 0) { 10983 PackageParser.ActivityIntentInfo[] array = 10984 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10985 intentFilters.toArray(array); 10986 listCut.add(array); 10987 } 10988 } 10989 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 10990 vislbleToEphemeral, isEphemeral, listCut, userId); 10991 } 10992 10993 /** 10994 * Finds a privileged activity that matches the specified activity names. 10995 */ 10996 private PackageParser.Activity findMatchingActivity( 10997 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10998 for (PackageParser.Activity sysActivity : activityList) { 10999 if (sysActivity.info.name.equals(activityInfo.name)) { 11000 return sysActivity; 11001 } 11002 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11003 return sysActivity; 11004 } 11005 if (sysActivity.info.targetActivity != null) { 11006 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11007 return sysActivity; 11008 } 11009 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11010 return sysActivity; 11011 } 11012 } 11013 } 11014 return null; 11015 } 11016 11017 public class IterGenerator<E> { 11018 public Iterator<E> generate(ActivityIntentInfo info) { 11019 return null; 11020 } 11021 } 11022 11023 public class ActionIterGenerator extends IterGenerator<String> { 11024 @Override 11025 public Iterator<String> generate(ActivityIntentInfo info) { 11026 return info.actionsIterator(); 11027 } 11028 } 11029 11030 public class CategoriesIterGenerator extends IterGenerator<String> { 11031 @Override 11032 public Iterator<String> generate(ActivityIntentInfo info) { 11033 return info.categoriesIterator(); 11034 } 11035 } 11036 11037 public class SchemesIterGenerator extends IterGenerator<String> { 11038 @Override 11039 public Iterator<String> generate(ActivityIntentInfo info) { 11040 return info.schemesIterator(); 11041 } 11042 } 11043 11044 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11045 @Override 11046 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11047 return info.authoritiesIterator(); 11048 } 11049 } 11050 11051 /** 11052 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11053 * MODIFIED. Do not pass in a list that should not be changed. 11054 */ 11055 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11056 IterGenerator<T> generator, Iterator<T> searchIterator) { 11057 // loop through the set of actions; every one must be found in the intent filter 11058 while (searchIterator.hasNext()) { 11059 // we must have at least one filter in the list to consider a match 11060 if (intentList.size() == 0) { 11061 break; 11062 } 11063 11064 final T searchAction = searchIterator.next(); 11065 11066 // loop through the set of intent filters 11067 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11068 while (intentIter.hasNext()) { 11069 final ActivityIntentInfo intentInfo = intentIter.next(); 11070 boolean selectionFound = false; 11071 11072 // loop through the intent filter's selection criteria; at least one 11073 // of them must match the searched criteria 11074 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11075 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11076 final T intentSelection = intentSelectionIter.next(); 11077 if (intentSelection != null && intentSelection.equals(searchAction)) { 11078 selectionFound = true; 11079 break; 11080 } 11081 } 11082 11083 // the selection criteria wasn't found in this filter's set; this filter 11084 // is not a potential match 11085 if (!selectionFound) { 11086 intentIter.remove(); 11087 } 11088 } 11089 } 11090 } 11091 11092 private boolean isProtectedAction(ActivityIntentInfo filter) { 11093 final Iterator<String> actionsIter = filter.actionsIterator(); 11094 while (actionsIter != null && actionsIter.hasNext()) { 11095 final String filterAction = actionsIter.next(); 11096 if (PROTECTED_ACTIONS.contains(filterAction)) { 11097 return true; 11098 } 11099 } 11100 return false; 11101 } 11102 11103 /** 11104 * Adjusts the priority of the given intent filter according to policy. 11105 * <p> 11106 * <ul> 11107 * <li>The priority for non privileged applications is capped to '0'</li> 11108 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11109 * <li>The priority for unbundled updates to privileged applications is capped to the 11110 * priority defined on the system partition</li> 11111 * </ul> 11112 * <p> 11113 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11114 * allowed to obtain any priority on any action. 11115 */ 11116 private void adjustPriority( 11117 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11118 // nothing to do; priority is fine as-is 11119 if (intent.getPriority() <= 0) { 11120 return; 11121 } 11122 11123 final ActivityInfo activityInfo = intent.activity.info; 11124 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11125 11126 final boolean privilegedApp = 11127 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11128 if (!privilegedApp) { 11129 // non-privileged applications can never define a priority >0 11130 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11131 + " package: " + applicationInfo.packageName 11132 + " activity: " + intent.activity.className 11133 + " origPrio: " + intent.getPriority()); 11134 intent.setPriority(0); 11135 return; 11136 } 11137 11138 if (systemActivities == null) { 11139 // the system package is not disabled; we're parsing the system partition 11140 if (isProtectedAction(intent)) { 11141 if (mDeferProtectedFilters) { 11142 // We can't deal with these just yet. No component should ever obtain a 11143 // >0 priority for a protected actions, with ONE exception -- the setup 11144 // wizard. The setup wizard, however, cannot be known until we're able to 11145 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11146 // until all intent filters have been processed. Chicken, meet egg. 11147 // Let the filter temporarily have a high priority and rectify the 11148 // priorities after all system packages have been scanned. 11149 mProtectedFilters.add(intent); 11150 if (DEBUG_FILTERS) { 11151 Slog.i(TAG, "Protected action; save for later;" 11152 + " package: " + applicationInfo.packageName 11153 + " activity: " + intent.activity.className 11154 + " origPrio: " + intent.getPriority()); 11155 } 11156 return; 11157 } else { 11158 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11159 Slog.i(TAG, "No setup wizard;" 11160 + " All protected intents capped to priority 0"); 11161 } 11162 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11163 if (DEBUG_FILTERS) { 11164 Slog.i(TAG, "Found setup wizard;" 11165 + " allow priority " + intent.getPriority() + ";" 11166 + " package: " + intent.activity.info.packageName 11167 + " activity: " + intent.activity.className 11168 + " priority: " + intent.getPriority()); 11169 } 11170 // setup wizard gets whatever it wants 11171 return; 11172 } 11173 Slog.w(TAG, "Protected action; cap priority to 0;" 11174 + " package: " + intent.activity.info.packageName 11175 + " activity: " + intent.activity.className 11176 + " origPrio: " + intent.getPriority()); 11177 intent.setPriority(0); 11178 return; 11179 } 11180 } 11181 // privileged apps on the system image get whatever priority they request 11182 return; 11183 } 11184 11185 // privileged app unbundled update ... try to find the same activity 11186 final PackageParser.Activity foundActivity = 11187 findMatchingActivity(systemActivities, activityInfo); 11188 if (foundActivity == null) { 11189 // this is a new activity; it cannot obtain >0 priority 11190 if (DEBUG_FILTERS) { 11191 Slog.i(TAG, "New activity; cap priority to 0;" 11192 + " package: " + applicationInfo.packageName 11193 + " activity: " + intent.activity.className 11194 + " origPrio: " + intent.getPriority()); 11195 } 11196 intent.setPriority(0); 11197 return; 11198 } 11199 11200 // found activity, now check for filter equivalence 11201 11202 // a shallow copy is enough; we modify the list, not its contents 11203 final List<ActivityIntentInfo> intentListCopy = 11204 new ArrayList<>(foundActivity.intents); 11205 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11206 11207 // find matching action subsets 11208 final Iterator<String> actionsIterator = intent.actionsIterator(); 11209 if (actionsIterator != null) { 11210 getIntentListSubset( 11211 intentListCopy, new ActionIterGenerator(), actionsIterator); 11212 if (intentListCopy.size() == 0) { 11213 // no more intents to match; we're not equivalent 11214 if (DEBUG_FILTERS) { 11215 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11216 + " package: " + applicationInfo.packageName 11217 + " activity: " + intent.activity.className 11218 + " origPrio: " + intent.getPriority()); 11219 } 11220 intent.setPriority(0); 11221 return; 11222 } 11223 } 11224 11225 // find matching category subsets 11226 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 11227 if (categoriesIterator != null) { 11228 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 11229 categoriesIterator); 11230 if (intentListCopy.size() == 0) { 11231 // no more intents to match; we're not equivalent 11232 if (DEBUG_FILTERS) { 11233 Slog.i(TAG, "Mismatched category; cap priority to 0;" 11234 + " package: " + applicationInfo.packageName 11235 + " activity: " + intent.activity.className 11236 + " origPrio: " + intent.getPriority()); 11237 } 11238 intent.setPriority(0); 11239 return; 11240 } 11241 } 11242 11243 // find matching schemes subsets 11244 final Iterator<String> schemesIterator = intent.schemesIterator(); 11245 if (schemesIterator != null) { 11246 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 11247 schemesIterator); 11248 if (intentListCopy.size() == 0) { 11249 // no more intents to match; we're not equivalent 11250 if (DEBUG_FILTERS) { 11251 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 11252 + " package: " + applicationInfo.packageName 11253 + " activity: " + intent.activity.className 11254 + " origPrio: " + intent.getPriority()); 11255 } 11256 intent.setPriority(0); 11257 return; 11258 } 11259 } 11260 11261 // find matching authorities subsets 11262 final Iterator<IntentFilter.AuthorityEntry> 11263 authoritiesIterator = intent.authoritiesIterator(); 11264 if (authoritiesIterator != null) { 11265 getIntentListSubset(intentListCopy, 11266 new AuthoritiesIterGenerator(), 11267 authoritiesIterator); 11268 if (intentListCopy.size() == 0) { 11269 // no more intents to match; we're not equivalent 11270 if (DEBUG_FILTERS) { 11271 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 11272 + " package: " + applicationInfo.packageName 11273 + " activity: " + intent.activity.className 11274 + " origPrio: " + intent.getPriority()); 11275 } 11276 intent.setPriority(0); 11277 return; 11278 } 11279 } 11280 11281 // we found matching filter(s); app gets the max priority of all intents 11282 int cappedPriority = 0; 11283 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 11284 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 11285 } 11286 if (intent.getPriority() > cappedPriority) { 11287 if (DEBUG_FILTERS) { 11288 Slog.i(TAG, "Found matching filter(s);" 11289 + " cap priority to " + cappedPriority + ";" 11290 + " package: " + applicationInfo.packageName 11291 + " activity: " + intent.activity.className 11292 + " origPrio: " + intent.getPriority()); 11293 } 11294 intent.setPriority(cappedPriority); 11295 return; 11296 } 11297 // all this for nothing; the requested priority was <= what was on the system 11298 } 11299 11300 public final void addActivity(PackageParser.Activity a, String type) { 11301 mActivities.put(a.getComponentName(), a); 11302 if (DEBUG_SHOW_INFO) 11303 Log.v( 11304 TAG, " " + type + " " + 11305 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 11306 if (DEBUG_SHOW_INFO) 11307 Log.v(TAG, " Class=" + a.info.name); 11308 final int NI = a.intents.size(); 11309 for (int j=0; j<NI; j++) { 11310 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11311 if ("activity".equals(type)) { 11312 final PackageSetting ps = 11313 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 11314 final List<PackageParser.Activity> systemActivities = 11315 ps != null && ps.pkg != null ? ps.pkg.activities : null; 11316 adjustPriority(systemActivities, intent); 11317 } 11318 if (DEBUG_SHOW_INFO) { 11319 Log.v(TAG, " IntentFilter:"); 11320 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11321 } 11322 if (!intent.debugCheck()) { 11323 Log.w(TAG, "==> For Activity " + a.info.name); 11324 } 11325 addFilter(intent); 11326 } 11327 } 11328 11329 public final void removeActivity(PackageParser.Activity a, String type) { 11330 mActivities.remove(a.getComponentName()); 11331 if (DEBUG_SHOW_INFO) { 11332 Log.v(TAG, " " + type + " " 11333 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 11334 : a.info.name) + ":"); 11335 Log.v(TAG, " Class=" + a.info.name); 11336 } 11337 final int NI = a.intents.size(); 11338 for (int j=0; j<NI; j++) { 11339 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11340 if (DEBUG_SHOW_INFO) { 11341 Log.v(TAG, " IntentFilter:"); 11342 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11343 } 11344 removeFilter(intent); 11345 } 11346 } 11347 11348 @Override 11349 protected boolean allowFilterResult( 11350 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 11351 ActivityInfo filterAi = filter.activity.info; 11352 for (int i=dest.size()-1; i>=0; i--) { 11353 ActivityInfo destAi = dest.get(i).activityInfo; 11354 if (destAi.name == filterAi.name 11355 && destAi.packageName == filterAi.packageName) { 11356 return false; 11357 } 11358 } 11359 return true; 11360 } 11361 11362 @Override 11363 protected ActivityIntentInfo[] newArray(int size) { 11364 return new ActivityIntentInfo[size]; 11365 } 11366 11367 @Override 11368 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 11369 if (!sUserManager.exists(userId)) return true; 11370 PackageParser.Package p = filter.activity.owner; 11371 if (p != null) { 11372 PackageSetting ps = (PackageSetting)p.mExtras; 11373 if (ps != null) { 11374 // System apps are never considered stopped for purposes of 11375 // filtering, because there may be no way for the user to 11376 // actually re-launch them. 11377 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 11378 && ps.getStopped(userId); 11379 } 11380 } 11381 return false; 11382 } 11383 11384 @Override 11385 protected boolean isPackageForFilter(String packageName, 11386 PackageParser.ActivityIntentInfo info) { 11387 return packageName.equals(info.activity.owner.packageName); 11388 } 11389 11390 @Override 11391 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 11392 int match, int userId) { 11393 if (!sUserManager.exists(userId)) return null; 11394 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 11395 return null; 11396 } 11397 final PackageParser.Activity activity = info.activity; 11398 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 11399 if (ps == null) { 11400 return null; 11401 } 11402 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 11403 ps.readUserState(userId), userId); 11404 if (ai == null) { 11405 return null; 11406 } 11407 final ResolveInfo res = new ResolveInfo(); 11408 res.activityInfo = ai; 11409 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11410 res.filter = info; 11411 } 11412 if (info != null) { 11413 res.handleAllWebDataURI = info.handleAllWebDataURI(); 11414 } 11415 res.priority = info.getPriority(); 11416 res.preferredOrder = activity.owner.mPreferredOrder; 11417 //System.out.println("Result: " + res.activityInfo.className + 11418 // " = " + res.priority); 11419 res.match = match; 11420 res.isDefault = info.hasDefault; 11421 res.labelRes = info.labelRes; 11422 res.nonLocalizedLabel = info.nonLocalizedLabel; 11423 if (userNeedsBadging(userId)) { 11424 res.noResourceId = true; 11425 } else { 11426 res.icon = info.icon; 11427 } 11428 res.iconResourceId = info.icon; 11429 res.system = res.activityInfo.applicationInfo.isSystemApp(); 11430 return res; 11431 } 11432 11433 @Override 11434 protected void sortResults(List<ResolveInfo> results) { 11435 Collections.sort(results, mResolvePrioritySorter); 11436 } 11437 11438 @Override 11439 protected void dumpFilter(PrintWriter out, String prefix, 11440 PackageParser.ActivityIntentInfo filter) { 11441 out.print(prefix); out.print( 11442 Integer.toHexString(System.identityHashCode(filter.activity))); 11443 out.print(' '); 11444 filter.activity.printComponentShortName(out); 11445 out.print(" filter "); 11446 out.println(Integer.toHexString(System.identityHashCode(filter))); 11447 } 11448 11449 @Override 11450 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 11451 return filter.activity; 11452 } 11453 11454 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11455 PackageParser.Activity activity = (PackageParser.Activity)label; 11456 out.print(prefix); out.print( 11457 Integer.toHexString(System.identityHashCode(activity))); 11458 out.print(' '); 11459 activity.printComponentShortName(out); 11460 if (count > 1) { 11461 out.print(" ("); out.print(count); out.print(" filters)"); 11462 } 11463 out.println(); 11464 } 11465 11466 // Keys are String (activity class name), values are Activity. 11467 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11468 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11469 private int mFlags; 11470 } 11471 11472 private final class ServiceIntentResolver 11473 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11474 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11475 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 11476 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11477 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 11478 isEphemeral, userId); 11479 } 11480 11481 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11482 int userId) { 11483 if (!sUserManager.exists(userId)) return null; 11484 mFlags = flags; 11485 return super.queryIntent(intent, resolvedType, 11486 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11487 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 11488 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11489 } 11490 11491 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11492 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11493 if (!sUserManager.exists(userId)) return null; 11494 if (packageServices == null) { 11495 return null; 11496 } 11497 mFlags = flags; 11498 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11499 final boolean vislbleToEphemeral = 11500 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11501 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 11502 final int N = packageServices.size(); 11503 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11504 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11505 11506 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11507 for (int i = 0; i < N; ++i) { 11508 intentFilters = packageServices.get(i).intents; 11509 if (intentFilters != null && intentFilters.size() > 0) { 11510 PackageParser.ServiceIntentInfo[] array = 11511 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11512 intentFilters.toArray(array); 11513 listCut.add(array); 11514 } 11515 } 11516 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11517 vislbleToEphemeral, isEphemeral, listCut, userId); 11518 } 11519 11520 public final void addService(PackageParser.Service s) { 11521 mServices.put(s.getComponentName(), s); 11522 if (DEBUG_SHOW_INFO) { 11523 Log.v(TAG, " " 11524 + (s.info.nonLocalizedLabel != null 11525 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11526 Log.v(TAG, " Class=" + s.info.name); 11527 } 11528 final int NI = s.intents.size(); 11529 int j; 11530 for (j=0; j<NI; j++) { 11531 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11532 if (DEBUG_SHOW_INFO) { 11533 Log.v(TAG, " IntentFilter:"); 11534 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11535 } 11536 if (!intent.debugCheck()) { 11537 Log.w(TAG, "==> For Service " + s.info.name); 11538 } 11539 addFilter(intent); 11540 } 11541 } 11542 11543 public final void removeService(PackageParser.Service s) { 11544 mServices.remove(s.getComponentName()); 11545 if (DEBUG_SHOW_INFO) { 11546 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11547 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11548 Log.v(TAG, " Class=" + s.info.name); 11549 } 11550 final int NI = s.intents.size(); 11551 int j; 11552 for (j=0; j<NI; j++) { 11553 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11554 if (DEBUG_SHOW_INFO) { 11555 Log.v(TAG, " IntentFilter:"); 11556 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11557 } 11558 removeFilter(intent); 11559 } 11560 } 11561 11562 @Override 11563 protected boolean allowFilterResult( 11564 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11565 ServiceInfo filterSi = filter.service.info; 11566 for (int i=dest.size()-1; i>=0; i--) { 11567 ServiceInfo destAi = dest.get(i).serviceInfo; 11568 if (destAi.name == filterSi.name 11569 && destAi.packageName == filterSi.packageName) { 11570 return false; 11571 } 11572 } 11573 return true; 11574 } 11575 11576 @Override 11577 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11578 return new PackageParser.ServiceIntentInfo[size]; 11579 } 11580 11581 @Override 11582 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11583 if (!sUserManager.exists(userId)) return true; 11584 PackageParser.Package p = filter.service.owner; 11585 if (p != null) { 11586 PackageSetting ps = (PackageSetting)p.mExtras; 11587 if (ps != null) { 11588 // System apps are never considered stopped for purposes of 11589 // filtering, because there may be no way for the user to 11590 // actually re-launch them. 11591 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11592 && ps.getStopped(userId); 11593 } 11594 } 11595 return false; 11596 } 11597 11598 @Override 11599 protected boolean isPackageForFilter(String packageName, 11600 PackageParser.ServiceIntentInfo info) { 11601 return packageName.equals(info.service.owner.packageName); 11602 } 11603 11604 @Override 11605 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11606 int match, int userId) { 11607 if (!sUserManager.exists(userId)) return null; 11608 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11609 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11610 return null; 11611 } 11612 final PackageParser.Service service = info.service; 11613 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11614 if (ps == null) { 11615 return null; 11616 } 11617 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11618 ps.readUserState(userId), userId); 11619 if (si == null) { 11620 return null; 11621 } 11622 final ResolveInfo res = new ResolveInfo(); 11623 res.serviceInfo = si; 11624 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11625 res.filter = filter; 11626 } 11627 res.priority = info.getPriority(); 11628 res.preferredOrder = service.owner.mPreferredOrder; 11629 res.match = match; 11630 res.isDefault = info.hasDefault; 11631 res.labelRes = info.labelRes; 11632 res.nonLocalizedLabel = info.nonLocalizedLabel; 11633 res.icon = info.icon; 11634 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11635 return res; 11636 } 11637 11638 @Override 11639 protected void sortResults(List<ResolveInfo> results) { 11640 Collections.sort(results, mResolvePrioritySorter); 11641 } 11642 11643 @Override 11644 protected void dumpFilter(PrintWriter out, String prefix, 11645 PackageParser.ServiceIntentInfo filter) { 11646 out.print(prefix); out.print( 11647 Integer.toHexString(System.identityHashCode(filter.service))); 11648 out.print(' '); 11649 filter.service.printComponentShortName(out); 11650 out.print(" filter "); 11651 out.println(Integer.toHexString(System.identityHashCode(filter))); 11652 } 11653 11654 @Override 11655 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11656 return filter.service; 11657 } 11658 11659 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11660 PackageParser.Service service = (PackageParser.Service)label; 11661 out.print(prefix); out.print( 11662 Integer.toHexString(System.identityHashCode(service))); 11663 out.print(' '); 11664 service.printComponentShortName(out); 11665 if (count > 1) { 11666 out.print(" ("); out.print(count); out.print(" filters)"); 11667 } 11668 out.println(); 11669 } 11670 11671// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11672// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11673// final List<ResolveInfo> retList = Lists.newArrayList(); 11674// while (i.hasNext()) { 11675// final ResolveInfo resolveInfo = (ResolveInfo) i; 11676// if (isEnabledLP(resolveInfo.serviceInfo)) { 11677// retList.add(resolveInfo); 11678// } 11679// } 11680// return retList; 11681// } 11682 11683 // Keys are String (activity class name), values are Activity. 11684 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11685 = new ArrayMap<ComponentName, PackageParser.Service>(); 11686 private int mFlags; 11687 } 11688 11689 private final class ProviderIntentResolver 11690 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11691 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11692 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 11693 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11694 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 11695 isEphemeral, userId); 11696 } 11697 11698 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11699 int userId) { 11700 if (!sUserManager.exists(userId)) 11701 return null; 11702 mFlags = flags; 11703 return super.queryIntent(intent, resolvedType, 11704 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11705 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 11706 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11707 } 11708 11709 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11710 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11711 if (!sUserManager.exists(userId)) 11712 return null; 11713 if (packageProviders == null) { 11714 return null; 11715 } 11716 mFlags = flags; 11717 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11718 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 11719 final boolean vislbleToEphemeral = 11720 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11721 final int N = packageProviders.size(); 11722 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11723 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11724 11725 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11726 for (int i = 0; i < N; ++i) { 11727 intentFilters = packageProviders.get(i).intents; 11728 if (intentFilters != null && intentFilters.size() > 0) { 11729 PackageParser.ProviderIntentInfo[] array = 11730 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11731 intentFilters.toArray(array); 11732 listCut.add(array); 11733 } 11734 } 11735 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11736 vislbleToEphemeral, isEphemeral, listCut, userId); 11737 } 11738 11739 public final void addProvider(PackageParser.Provider p) { 11740 if (mProviders.containsKey(p.getComponentName())) { 11741 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11742 return; 11743 } 11744 11745 mProviders.put(p.getComponentName(), p); 11746 if (DEBUG_SHOW_INFO) { 11747 Log.v(TAG, " " 11748 + (p.info.nonLocalizedLabel != null 11749 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11750 Log.v(TAG, " Class=" + p.info.name); 11751 } 11752 final int NI = p.intents.size(); 11753 int j; 11754 for (j = 0; j < NI; j++) { 11755 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11756 if (DEBUG_SHOW_INFO) { 11757 Log.v(TAG, " IntentFilter:"); 11758 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11759 } 11760 if (!intent.debugCheck()) { 11761 Log.w(TAG, "==> For Provider " + p.info.name); 11762 } 11763 addFilter(intent); 11764 } 11765 } 11766 11767 public final void removeProvider(PackageParser.Provider p) { 11768 mProviders.remove(p.getComponentName()); 11769 if (DEBUG_SHOW_INFO) { 11770 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11771 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11772 Log.v(TAG, " Class=" + p.info.name); 11773 } 11774 final int NI = p.intents.size(); 11775 int j; 11776 for (j = 0; j < NI; j++) { 11777 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11778 if (DEBUG_SHOW_INFO) { 11779 Log.v(TAG, " IntentFilter:"); 11780 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11781 } 11782 removeFilter(intent); 11783 } 11784 } 11785 11786 @Override 11787 protected boolean allowFilterResult( 11788 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11789 ProviderInfo filterPi = filter.provider.info; 11790 for (int i = dest.size() - 1; i >= 0; i--) { 11791 ProviderInfo destPi = dest.get(i).providerInfo; 11792 if (destPi.name == filterPi.name 11793 && destPi.packageName == filterPi.packageName) { 11794 return false; 11795 } 11796 } 11797 return true; 11798 } 11799 11800 @Override 11801 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11802 return new PackageParser.ProviderIntentInfo[size]; 11803 } 11804 11805 @Override 11806 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11807 if (!sUserManager.exists(userId)) 11808 return true; 11809 PackageParser.Package p = filter.provider.owner; 11810 if (p != null) { 11811 PackageSetting ps = (PackageSetting) p.mExtras; 11812 if (ps != null) { 11813 // System apps are never considered stopped for purposes of 11814 // filtering, because there may be no way for the user to 11815 // actually re-launch them. 11816 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11817 && ps.getStopped(userId); 11818 } 11819 } 11820 return false; 11821 } 11822 11823 @Override 11824 protected boolean isPackageForFilter(String packageName, 11825 PackageParser.ProviderIntentInfo info) { 11826 return packageName.equals(info.provider.owner.packageName); 11827 } 11828 11829 @Override 11830 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11831 int match, int userId) { 11832 if (!sUserManager.exists(userId)) 11833 return null; 11834 final PackageParser.ProviderIntentInfo info = filter; 11835 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11836 return null; 11837 } 11838 final PackageParser.Provider provider = info.provider; 11839 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11840 if (ps == null) { 11841 return null; 11842 } 11843 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11844 ps.readUserState(userId), userId); 11845 if (pi == null) { 11846 return null; 11847 } 11848 final ResolveInfo res = new ResolveInfo(); 11849 res.providerInfo = pi; 11850 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11851 res.filter = filter; 11852 } 11853 res.priority = info.getPriority(); 11854 res.preferredOrder = provider.owner.mPreferredOrder; 11855 res.match = match; 11856 res.isDefault = info.hasDefault; 11857 res.labelRes = info.labelRes; 11858 res.nonLocalizedLabel = info.nonLocalizedLabel; 11859 res.icon = info.icon; 11860 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11861 return res; 11862 } 11863 11864 @Override 11865 protected void sortResults(List<ResolveInfo> results) { 11866 Collections.sort(results, mResolvePrioritySorter); 11867 } 11868 11869 @Override 11870 protected void dumpFilter(PrintWriter out, String prefix, 11871 PackageParser.ProviderIntentInfo filter) { 11872 out.print(prefix); 11873 out.print( 11874 Integer.toHexString(System.identityHashCode(filter.provider))); 11875 out.print(' '); 11876 filter.provider.printComponentShortName(out); 11877 out.print(" filter "); 11878 out.println(Integer.toHexString(System.identityHashCode(filter))); 11879 } 11880 11881 @Override 11882 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11883 return filter.provider; 11884 } 11885 11886 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11887 PackageParser.Provider provider = (PackageParser.Provider)label; 11888 out.print(prefix); out.print( 11889 Integer.toHexString(System.identityHashCode(provider))); 11890 out.print(' '); 11891 provider.printComponentShortName(out); 11892 if (count > 1) { 11893 out.print(" ("); out.print(count); out.print(" filters)"); 11894 } 11895 out.println(); 11896 } 11897 11898 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11899 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11900 private int mFlags; 11901 } 11902 11903 static final class EphemeralIntentResolver 11904 extends IntentResolver<EphemeralResponse, EphemeralResponse> { 11905 /** 11906 * The result that has the highest defined order. Ordering applies on a 11907 * per-package basis. Mapping is from package name to Pair of order and 11908 * EphemeralResolveInfo. 11909 * <p> 11910 * NOTE: This is implemented as a field variable for convenience and efficiency. 11911 * By having a field variable, we're able to track filter ordering as soon as 11912 * a non-zero order is defined. Otherwise, multiple loops across the result set 11913 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11914 * this needs to be contained entirely within {@link #filterResults()}. 11915 */ 11916 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11917 11918 @Override 11919 protected EphemeralResponse[] newArray(int size) { 11920 return new EphemeralResponse[size]; 11921 } 11922 11923 @Override 11924 protected boolean isPackageForFilter(String packageName, EphemeralResponse responseObj) { 11925 return true; 11926 } 11927 11928 @Override 11929 protected EphemeralResponse newResult(EphemeralResponse responseObj, int match, 11930 int userId) { 11931 if (!sUserManager.exists(userId)) { 11932 return null; 11933 } 11934 final String packageName = responseObj.resolveInfo.getPackageName(); 11935 final Integer order = responseObj.getOrder(); 11936 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11937 mOrderResult.get(packageName); 11938 // ordering is enabled and this item's order isn't high enough 11939 if (lastOrderResult != null && lastOrderResult.first >= order) { 11940 return null; 11941 } 11942 final EphemeralResolveInfo res = responseObj.resolveInfo; 11943 if (order > 0) { 11944 // non-zero order, enable ordering 11945 mOrderResult.put(packageName, new Pair<>(order, res)); 11946 } 11947 return responseObj; 11948 } 11949 11950 @Override 11951 protected void filterResults(List<EphemeralResponse> results) { 11952 // only do work if ordering is enabled [most of the time it won't be] 11953 if (mOrderResult.size() == 0) { 11954 return; 11955 } 11956 int resultSize = results.size(); 11957 for (int i = 0; i < resultSize; i++) { 11958 final EphemeralResolveInfo info = results.get(i).resolveInfo; 11959 final String packageName = info.getPackageName(); 11960 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11961 if (savedInfo == null) { 11962 // package doesn't having ordering 11963 continue; 11964 } 11965 if (savedInfo.second == info) { 11966 // circled back to the highest ordered item; remove from order list 11967 mOrderResult.remove(savedInfo); 11968 if (mOrderResult.size() == 0) { 11969 // no more ordered items 11970 break; 11971 } 11972 continue; 11973 } 11974 // item has a worse order, remove it from the result list 11975 results.remove(i); 11976 resultSize--; 11977 i--; 11978 } 11979 } 11980 } 11981 11982 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11983 new Comparator<ResolveInfo>() { 11984 public int compare(ResolveInfo r1, ResolveInfo r2) { 11985 int v1 = r1.priority; 11986 int v2 = r2.priority; 11987 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11988 if (v1 != v2) { 11989 return (v1 > v2) ? -1 : 1; 11990 } 11991 v1 = r1.preferredOrder; 11992 v2 = r2.preferredOrder; 11993 if (v1 != v2) { 11994 return (v1 > v2) ? -1 : 1; 11995 } 11996 if (r1.isDefault != r2.isDefault) { 11997 return r1.isDefault ? -1 : 1; 11998 } 11999 v1 = r1.match; 12000 v2 = r2.match; 12001 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12002 if (v1 != v2) { 12003 return (v1 > v2) ? -1 : 1; 12004 } 12005 if (r1.system != r2.system) { 12006 return r1.system ? -1 : 1; 12007 } 12008 if (r1.activityInfo != null) { 12009 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12010 } 12011 if (r1.serviceInfo != null) { 12012 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12013 } 12014 if (r1.providerInfo != null) { 12015 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12016 } 12017 return 0; 12018 } 12019 }; 12020 12021 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12022 new Comparator<ProviderInfo>() { 12023 public int compare(ProviderInfo p1, ProviderInfo p2) { 12024 final int v1 = p1.initOrder; 12025 final int v2 = p2.initOrder; 12026 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12027 } 12028 }; 12029 12030 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12031 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12032 final int[] userIds) { 12033 mHandler.post(new Runnable() { 12034 @Override 12035 public void run() { 12036 try { 12037 final IActivityManager am = ActivityManager.getService(); 12038 if (am == null) return; 12039 final int[] resolvedUserIds; 12040 if (userIds == null) { 12041 resolvedUserIds = am.getRunningUserIds(); 12042 } else { 12043 resolvedUserIds = userIds; 12044 } 12045 for (int id : resolvedUserIds) { 12046 final Intent intent = new Intent(action, 12047 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12048 if (extras != null) { 12049 intent.putExtras(extras); 12050 } 12051 if (targetPkg != null) { 12052 intent.setPackage(targetPkg); 12053 } 12054 // Modify the UID when posting to other users 12055 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12056 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12057 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12058 intent.putExtra(Intent.EXTRA_UID, uid); 12059 } 12060 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12061 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12062 if (DEBUG_BROADCASTS) { 12063 RuntimeException here = new RuntimeException("here"); 12064 here.fillInStackTrace(); 12065 Slog.d(TAG, "Sending to user " + id + ": " 12066 + intent.toShortString(false, true, false, false) 12067 + " " + intent.getExtras(), here); 12068 } 12069 am.broadcastIntent(null, intent, null, finishedReceiver, 12070 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12071 null, finishedReceiver != null, false, id); 12072 } 12073 } catch (RemoteException ex) { 12074 } 12075 } 12076 }); 12077 } 12078 12079 /** 12080 * Check if the external storage media is available. This is true if there 12081 * is a mounted external storage medium or if the external storage is 12082 * emulated. 12083 */ 12084 private boolean isExternalMediaAvailable() { 12085 return mMediaMounted || Environment.isExternalStorageEmulated(); 12086 } 12087 12088 @Override 12089 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12090 // writer 12091 synchronized (mPackages) { 12092 if (!isExternalMediaAvailable()) { 12093 // If the external storage is no longer mounted at this point, 12094 // the caller may not have been able to delete all of this 12095 // packages files and can not delete any more. Bail. 12096 return null; 12097 } 12098 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12099 if (lastPackage != null) { 12100 pkgs.remove(lastPackage); 12101 } 12102 if (pkgs.size() > 0) { 12103 return pkgs.get(0); 12104 } 12105 } 12106 return null; 12107 } 12108 12109 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12110 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12111 userId, andCode ? 1 : 0, packageName); 12112 if (mSystemReady) { 12113 msg.sendToTarget(); 12114 } else { 12115 if (mPostSystemReadyMessages == null) { 12116 mPostSystemReadyMessages = new ArrayList<>(); 12117 } 12118 mPostSystemReadyMessages.add(msg); 12119 } 12120 } 12121 12122 void startCleaningPackages() { 12123 // reader 12124 if (!isExternalMediaAvailable()) { 12125 return; 12126 } 12127 synchronized (mPackages) { 12128 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12129 return; 12130 } 12131 } 12132 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12133 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12134 IActivityManager am = ActivityManager.getService(); 12135 if (am != null) { 12136 try { 12137 am.startService(null, intent, null, mContext.getOpPackageName(), 12138 UserHandle.USER_SYSTEM); 12139 } catch (RemoteException e) { 12140 } 12141 } 12142 } 12143 12144 @Override 12145 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12146 int installFlags, String installerPackageName, int userId) { 12147 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12148 12149 final int callingUid = Binder.getCallingUid(); 12150 enforceCrossUserPermission(callingUid, userId, 12151 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12152 12153 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12154 try { 12155 if (observer != null) { 12156 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12157 } 12158 } catch (RemoteException re) { 12159 } 12160 return; 12161 } 12162 12163 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12164 installFlags |= PackageManager.INSTALL_FROM_ADB; 12165 12166 } else { 12167 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12168 // about installerPackageName. 12169 12170 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12171 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12172 } 12173 12174 UserHandle user; 12175 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12176 user = UserHandle.ALL; 12177 } else { 12178 user = new UserHandle(userId); 12179 } 12180 12181 // Only system components can circumvent runtime permissions when installing. 12182 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12183 && mContext.checkCallingOrSelfPermission(Manifest.permission 12184 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12185 throw new SecurityException("You need the " 12186 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12187 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12188 } 12189 12190 final File originFile = new File(originPath); 12191 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12192 12193 final Message msg = mHandler.obtainMessage(INIT_COPY); 12194 final VerificationInfo verificationInfo = new VerificationInfo( 12195 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12196 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12197 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12198 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12199 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12200 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12201 msg.obj = params; 12202 12203 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12204 System.identityHashCode(msg.obj)); 12205 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12206 System.identityHashCode(msg.obj)); 12207 12208 mHandler.sendMessage(msg); 12209 } 12210 12211 void installStage(String packageName, File stagedDir, String stagedCid, 12212 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 12213 String installerPackageName, int installerUid, UserHandle user, 12214 Certificate[][] certificates) { 12215 if (DEBUG_EPHEMERAL) { 12216 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12217 Slog.d(TAG, "Ephemeral install of " + packageName); 12218 } 12219 } 12220 final VerificationInfo verificationInfo = new VerificationInfo( 12221 sessionParams.originatingUri, sessionParams.referrerUri, 12222 sessionParams.originatingUid, installerUid); 12223 12224 final OriginInfo origin; 12225 if (stagedDir != null) { 12226 origin = OriginInfo.fromStagedFile(stagedDir); 12227 } else { 12228 origin = OriginInfo.fromStagedContainer(stagedCid); 12229 } 12230 12231 final Message msg = mHandler.obtainMessage(INIT_COPY); 12232 final InstallParams params = new InstallParams(origin, null, observer, 12233 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 12234 verificationInfo, user, sessionParams.abiOverride, 12235 sessionParams.grantedRuntimePermissions, certificates, sessionParams.installReason); 12236 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 12237 msg.obj = params; 12238 12239 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 12240 System.identityHashCode(msg.obj)); 12241 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12242 System.identityHashCode(msg.obj)); 12243 12244 mHandler.sendMessage(msg); 12245 } 12246 12247 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 12248 int userId) { 12249 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 12250 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 12251 } 12252 12253 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 12254 int appId, int... userIds) { 12255 if (ArrayUtils.isEmpty(userIds)) { 12256 return; 12257 } 12258 Bundle extras = new Bundle(1); 12259 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 12260 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 12261 12262 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 12263 packageName, extras, 0, null, null, userIds); 12264 if (isSystem) { 12265 mHandler.post(() -> { 12266 for (int userId : userIds) { 12267 sendBootCompletedBroadcastToSystemApp(packageName, userId); 12268 } 12269 } 12270 ); 12271 } 12272 } 12273 12274 /** 12275 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 12276 * automatically without needing an explicit launch. 12277 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 12278 */ 12279 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 12280 // If user is not running, the app didn't miss any broadcast 12281 if (!mUserManagerInternal.isUserRunning(userId)) { 12282 return; 12283 } 12284 final IActivityManager am = ActivityManager.getService(); 12285 try { 12286 // Deliver LOCKED_BOOT_COMPLETED first 12287 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 12288 .setPackage(packageName); 12289 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 12290 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 12291 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12292 12293 // Deliver BOOT_COMPLETED only if user is unlocked 12294 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 12295 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 12296 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 12297 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12298 } 12299 } catch (RemoteException e) { 12300 throw e.rethrowFromSystemServer(); 12301 } 12302 } 12303 12304 @Override 12305 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 12306 int userId) { 12307 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12308 PackageSetting pkgSetting; 12309 final int uid = Binder.getCallingUid(); 12310 enforceCrossUserPermission(uid, userId, 12311 true /* requireFullPermission */, true /* checkShell */, 12312 "setApplicationHiddenSetting for user " + userId); 12313 12314 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 12315 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 12316 return false; 12317 } 12318 12319 long callingId = Binder.clearCallingIdentity(); 12320 try { 12321 boolean sendAdded = false; 12322 boolean sendRemoved = false; 12323 // writer 12324 synchronized (mPackages) { 12325 pkgSetting = mSettings.mPackages.get(packageName); 12326 if (pkgSetting == null) { 12327 return false; 12328 } 12329 // Do not allow "android" is being disabled 12330 if ("android".equals(packageName)) { 12331 Slog.w(TAG, "Cannot hide package: android"); 12332 return false; 12333 } 12334 // Only allow protected packages to hide themselves. 12335 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 12336 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12337 Slog.w(TAG, "Not hiding protected package: " + packageName); 12338 return false; 12339 } 12340 12341 if (pkgSetting.getHidden(userId) != hidden) { 12342 pkgSetting.setHidden(hidden, userId); 12343 mSettings.writePackageRestrictionsLPr(userId); 12344 if (hidden) { 12345 sendRemoved = true; 12346 } else { 12347 sendAdded = true; 12348 } 12349 } 12350 } 12351 if (sendAdded) { 12352 sendPackageAddedForUser(packageName, pkgSetting, userId); 12353 return true; 12354 } 12355 if (sendRemoved) { 12356 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 12357 "hiding pkg"); 12358 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 12359 return true; 12360 } 12361 } finally { 12362 Binder.restoreCallingIdentity(callingId); 12363 } 12364 return false; 12365 } 12366 12367 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 12368 int userId) { 12369 final PackageRemovedInfo info = new PackageRemovedInfo(); 12370 info.removedPackage = packageName; 12371 info.removedUsers = new int[] {userId}; 12372 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 12373 info.sendPackageRemovedBroadcasts(true /*killApp*/); 12374 } 12375 12376 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 12377 if (pkgList.length > 0) { 12378 Bundle extras = new Bundle(1); 12379 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 12380 12381 sendPackageBroadcast( 12382 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 12383 : Intent.ACTION_PACKAGES_UNSUSPENDED, 12384 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 12385 new int[] {userId}); 12386 } 12387 } 12388 12389 /** 12390 * Returns true if application is not found or there was an error. Otherwise it returns 12391 * the hidden state of the package for the given user. 12392 */ 12393 @Override 12394 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 12395 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12396 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12397 true /* requireFullPermission */, false /* checkShell */, 12398 "getApplicationHidden for user " + userId); 12399 PackageSetting pkgSetting; 12400 long callingId = Binder.clearCallingIdentity(); 12401 try { 12402 // writer 12403 synchronized (mPackages) { 12404 pkgSetting = mSettings.mPackages.get(packageName); 12405 if (pkgSetting == null) { 12406 return true; 12407 } 12408 return pkgSetting.getHidden(userId); 12409 } 12410 } finally { 12411 Binder.restoreCallingIdentity(callingId); 12412 } 12413 } 12414 12415 /** 12416 * @hide 12417 */ 12418 @Override 12419 public int installExistingPackageAsUser(String packageName, int userId, int installReason) { 12420 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 12421 null); 12422 PackageSetting pkgSetting; 12423 final int uid = Binder.getCallingUid(); 12424 enforceCrossUserPermission(uid, userId, 12425 true /* requireFullPermission */, true /* checkShell */, 12426 "installExistingPackage for user " + userId); 12427 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12428 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 12429 } 12430 12431 long callingId = Binder.clearCallingIdentity(); 12432 try { 12433 boolean installed = false; 12434 12435 // writer 12436 synchronized (mPackages) { 12437 pkgSetting = mSettings.mPackages.get(packageName); 12438 if (pkgSetting == null) { 12439 return PackageManager.INSTALL_FAILED_INVALID_URI; 12440 } 12441 if (!pkgSetting.getInstalled(userId)) { 12442 pkgSetting.setInstalled(true, userId); 12443 pkgSetting.setHidden(false, userId); 12444 pkgSetting.setInstallReason(installReason, userId); 12445 mSettings.writePackageRestrictionsLPr(userId); 12446 installed = true; 12447 } 12448 } 12449 12450 if (installed) { 12451 if (pkgSetting.pkg != null) { 12452 synchronized (mInstallLock) { 12453 // We don't need to freeze for a brand new install 12454 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 12455 } 12456 } 12457 sendPackageAddedForUser(packageName, pkgSetting, userId); 12458 } 12459 } finally { 12460 Binder.restoreCallingIdentity(callingId); 12461 } 12462 12463 return PackageManager.INSTALL_SUCCEEDED; 12464 } 12465 12466 boolean isUserRestricted(int userId, String restrictionKey) { 12467 Bundle restrictions = sUserManager.getUserRestrictions(userId); 12468 if (restrictions.getBoolean(restrictionKey, false)) { 12469 Log.w(TAG, "User is restricted: " + restrictionKey); 12470 return true; 12471 } 12472 return false; 12473 } 12474 12475 @Override 12476 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 12477 int userId) { 12478 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12479 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12480 true /* requireFullPermission */, true /* checkShell */, 12481 "setPackagesSuspended for user " + userId); 12482 12483 if (ArrayUtils.isEmpty(packageNames)) { 12484 return packageNames; 12485 } 12486 12487 // List of package names for whom the suspended state has changed. 12488 List<String> changedPackages = new ArrayList<>(packageNames.length); 12489 // List of package names for whom the suspended state is not set as requested in this 12490 // method. 12491 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 12492 long callingId = Binder.clearCallingIdentity(); 12493 try { 12494 for (int i = 0; i < packageNames.length; i++) { 12495 String packageName = packageNames[i]; 12496 boolean changed = false; 12497 final int appId; 12498 synchronized (mPackages) { 12499 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12500 if (pkgSetting == null) { 12501 Slog.w(TAG, "Could not find package setting for package \"" + packageName 12502 + "\". Skipping suspending/un-suspending."); 12503 unactionedPackages.add(packageName); 12504 continue; 12505 } 12506 appId = pkgSetting.appId; 12507 if (pkgSetting.getSuspended(userId) != suspended) { 12508 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12509 unactionedPackages.add(packageName); 12510 continue; 12511 } 12512 pkgSetting.setSuspended(suspended, userId); 12513 mSettings.writePackageRestrictionsLPr(userId); 12514 changed = true; 12515 changedPackages.add(packageName); 12516 } 12517 } 12518 12519 if (changed && suspended) { 12520 killApplication(packageName, UserHandle.getUid(userId, appId), 12521 "suspending package"); 12522 } 12523 } 12524 } finally { 12525 Binder.restoreCallingIdentity(callingId); 12526 } 12527 12528 if (!changedPackages.isEmpty()) { 12529 sendPackagesSuspendedForUser(changedPackages.toArray( 12530 new String[changedPackages.size()]), userId, suspended); 12531 } 12532 12533 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12534 } 12535 12536 @Override 12537 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12538 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12539 true /* requireFullPermission */, false /* checkShell */, 12540 "isPackageSuspendedForUser for user " + userId); 12541 synchronized (mPackages) { 12542 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12543 if (pkgSetting == null) { 12544 throw new IllegalArgumentException("Unknown target package: " + packageName); 12545 } 12546 return pkgSetting.getSuspended(userId); 12547 } 12548 } 12549 12550 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12551 if (isPackageDeviceAdmin(packageName, userId)) { 12552 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12553 + "\": has an active device admin"); 12554 return false; 12555 } 12556 12557 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12558 if (packageName.equals(activeLauncherPackageName)) { 12559 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12560 + "\": contains the active launcher"); 12561 return false; 12562 } 12563 12564 if (packageName.equals(mRequiredInstallerPackage)) { 12565 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12566 + "\": required for package installation"); 12567 return false; 12568 } 12569 12570 if (packageName.equals(mRequiredUninstallerPackage)) { 12571 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12572 + "\": required for package uninstallation"); 12573 return false; 12574 } 12575 12576 if (packageName.equals(mRequiredVerifierPackage)) { 12577 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12578 + "\": required for package verification"); 12579 return false; 12580 } 12581 12582 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12583 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12584 + "\": is the default dialer"); 12585 return false; 12586 } 12587 12588 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12589 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12590 + "\": protected package"); 12591 return false; 12592 } 12593 12594 return true; 12595 } 12596 12597 private String getActiveLauncherPackageName(int userId) { 12598 Intent intent = new Intent(Intent.ACTION_MAIN); 12599 intent.addCategory(Intent.CATEGORY_HOME); 12600 ResolveInfo resolveInfo = resolveIntent( 12601 intent, 12602 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12603 PackageManager.MATCH_DEFAULT_ONLY, 12604 userId); 12605 12606 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12607 } 12608 12609 private String getDefaultDialerPackageName(int userId) { 12610 synchronized (mPackages) { 12611 return mSettings.getDefaultDialerPackageNameLPw(userId); 12612 } 12613 } 12614 12615 @Override 12616 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12617 mContext.enforceCallingOrSelfPermission( 12618 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12619 "Only package verification agents can verify applications"); 12620 12621 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12622 final PackageVerificationResponse response = new PackageVerificationResponse( 12623 verificationCode, Binder.getCallingUid()); 12624 msg.arg1 = id; 12625 msg.obj = response; 12626 mHandler.sendMessage(msg); 12627 } 12628 12629 @Override 12630 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12631 long millisecondsToDelay) { 12632 mContext.enforceCallingOrSelfPermission( 12633 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12634 "Only package verification agents can extend verification timeouts"); 12635 12636 final PackageVerificationState state = mPendingVerification.get(id); 12637 final PackageVerificationResponse response = new PackageVerificationResponse( 12638 verificationCodeAtTimeout, Binder.getCallingUid()); 12639 12640 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12641 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12642 } 12643 if (millisecondsToDelay < 0) { 12644 millisecondsToDelay = 0; 12645 } 12646 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12647 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12648 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12649 } 12650 12651 if ((state != null) && !state.timeoutExtended()) { 12652 state.extendTimeout(); 12653 12654 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12655 msg.arg1 = id; 12656 msg.obj = response; 12657 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12658 } 12659 } 12660 12661 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12662 int verificationCode, UserHandle user) { 12663 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12664 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12665 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12666 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12667 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12668 12669 mContext.sendBroadcastAsUser(intent, user, 12670 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12671 } 12672 12673 private ComponentName matchComponentForVerifier(String packageName, 12674 List<ResolveInfo> receivers) { 12675 ActivityInfo targetReceiver = null; 12676 12677 final int NR = receivers.size(); 12678 for (int i = 0; i < NR; i++) { 12679 final ResolveInfo info = receivers.get(i); 12680 if (info.activityInfo == null) { 12681 continue; 12682 } 12683 12684 if (packageName.equals(info.activityInfo.packageName)) { 12685 targetReceiver = info.activityInfo; 12686 break; 12687 } 12688 } 12689 12690 if (targetReceiver == null) { 12691 return null; 12692 } 12693 12694 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12695 } 12696 12697 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12698 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12699 if (pkgInfo.verifiers.length == 0) { 12700 return null; 12701 } 12702 12703 final int N = pkgInfo.verifiers.length; 12704 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12705 for (int i = 0; i < N; i++) { 12706 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12707 12708 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12709 receivers); 12710 if (comp == null) { 12711 continue; 12712 } 12713 12714 final int verifierUid = getUidForVerifier(verifierInfo); 12715 if (verifierUid == -1) { 12716 continue; 12717 } 12718 12719 if (DEBUG_VERIFY) { 12720 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12721 + " with the correct signature"); 12722 } 12723 sufficientVerifiers.add(comp); 12724 verificationState.addSufficientVerifier(verifierUid); 12725 } 12726 12727 return sufficientVerifiers; 12728 } 12729 12730 private int getUidForVerifier(VerifierInfo verifierInfo) { 12731 synchronized (mPackages) { 12732 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12733 if (pkg == null) { 12734 return -1; 12735 } else if (pkg.mSignatures.length != 1) { 12736 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12737 + " has more than one signature; ignoring"); 12738 return -1; 12739 } 12740 12741 /* 12742 * If the public key of the package's signature does not match 12743 * our expected public key, then this is a different package and 12744 * we should skip. 12745 */ 12746 12747 final byte[] expectedPublicKey; 12748 try { 12749 final Signature verifierSig = pkg.mSignatures[0]; 12750 final PublicKey publicKey = verifierSig.getPublicKey(); 12751 expectedPublicKey = publicKey.getEncoded(); 12752 } catch (CertificateException e) { 12753 return -1; 12754 } 12755 12756 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12757 12758 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12759 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12760 + " does not have the expected public key; ignoring"); 12761 return -1; 12762 } 12763 12764 return pkg.applicationInfo.uid; 12765 } 12766 } 12767 12768 @Override 12769 public void finishPackageInstall(int token, boolean didLaunch) { 12770 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12771 12772 if (DEBUG_INSTALL) { 12773 Slog.v(TAG, "BM finishing package install for " + token); 12774 } 12775 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12776 12777 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12778 mHandler.sendMessage(msg); 12779 } 12780 12781 /** 12782 * Get the verification agent timeout. 12783 * 12784 * @return verification timeout in milliseconds 12785 */ 12786 private long getVerificationTimeout() { 12787 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12788 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12789 DEFAULT_VERIFICATION_TIMEOUT); 12790 } 12791 12792 /** 12793 * Get the default verification agent response code. 12794 * 12795 * @return default verification response code 12796 */ 12797 private int getDefaultVerificationResponse() { 12798 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12799 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12800 DEFAULT_VERIFICATION_RESPONSE); 12801 } 12802 12803 /** 12804 * Check whether or not package verification has been enabled. 12805 * 12806 * @return true if verification should be performed 12807 */ 12808 private boolean isVerificationEnabled(int userId, int installFlags) { 12809 if (!DEFAULT_VERIFY_ENABLE) { 12810 return false; 12811 } 12812 // Ephemeral apps don't get the full verification treatment 12813 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12814 if (DEBUG_EPHEMERAL) { 12815 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12816 } 12817 return false; 12818 } 12819 12820 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12821 12822 // Check if installing from ADB 12823 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12824 // Do not run verification in a test harness environment 12825 if (ActivityManager.isRunningInTestHarness()) { 12826 return false; 12827 } 12828 if (ensureVerifyAppsEnabled) { 12829 return true; 12830 } 12831 // Check if the developer does not want package verification for ADB installs 12832 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12833 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12834 return false; 12835 } 12836 } 12837 12838 if (ensureVerifyAppsEnabled) { 12839 return true; 12840 } 12841 12842 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12843 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12844 } 12845 12846 @Override 12847 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12848 throws RemoteException { 12849 mContext.enforceCallingOrSelfPermission( 12850 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12851 "Only intentfilter verification agents can verify applications"); 12852 12853 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12854 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12855 Binder.getCallingUid(), verificationCode, failedDomains); 12856 msg.arg1 = id; 12857 msg.obj = response; 12858 mHandler.sendMessage(msg); 12859 } 12860 12861 @Override 12862 public int getIntentVerificationStatus(String packageName, int userId) { 12863 synchronized (mPackages) { 12864 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12865 } 12866 } 12867 12868 @Override 12869 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12870 mContext.enforceCallingOrSelfPermission( 12871 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12872 12873 boolean result = false; 12874 synchronized (mPackages) { 12875 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12876 } 12877 if (result) { 12878 scheduleWritePackageRestrictionsLocked(userId); 12879 } 12880 return result; 12881 } 12882 12883 @Override 12884 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12885 String packageName) { 12886 synchronized (mPackages) { 12887 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12888 } 12889 } 12890 12891 @Override 12892 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12893 if (TextUtils.isEmpty(packageName)) { 12894 return ParceledListSlice.emptyList(); 12895 } 12896 synchronized (mPackages) { 12897 PackageParser.Package pkg = mPackages.get(packageName); 12898 if (pkg == null || pkg.activities == null) { 12899 return ParceledListSlice.emptyList(); 12900 } 12901 final int count = pkg.activities.size(); 12902 ArrayList<IntentFilter> result = new ArrayList<>(); 12903 for (int n=0; n<count; n++) { 12904 PackageParser.Activity activity = pkg.activities.get(n); 12905 if (activity.intents != null && activity.intents.size() > 0) { 12906 result.addAll(activity.intents); 12907 } 12908 } 12909 return new ParceledListSlice<>(result); 12910 } 12911 } 12912 12913 @Override 12914 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12915 mContext.enforceCallingOrSelfPermission( 12916 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12917 12918 synchronized (mPackages) { 12919 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12920 if (packageName != null) { 12921 result |= updateIntentVerificationStatus(packageName, 12922 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12923 userId); 12924 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12925 packageName, userId); 12926 } 12927 return result; 12928 } 12929 } 12930 12931 @Override 12932 public String getDefaultBrowserPackageName(int userId) { 12933 synchronized (mPackages) { 12934 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12935 } 12936 } 12937 12938 /** 12939 * Get the "allow unknown sources" setting. 12940 * 12941 * @return the current "allow unknown sources" setting 12942 */ 12943 private int getUnknownSourcesSettings() { 12944 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12945 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12946 -1); 12947 } 12948 12949 @Override 12950 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12951 final int uid = Binder.getCallingUid(); 12952 // writer 12953 synchronized (mPackages) { 12954 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12955 if (targetPackageSetting == null) { 12956 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12957 } 12958 12959 PackageSetting installerPackageSetting; 12960 if (installerPackageName != null) { 12961 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12962 if (installerPackageSetting == null) { 12963 throw new IllegalArgumentException("Unknown installer package: " 12964 + installerPackageName); 12965 } 12966 } else { 12967 installerPackageSetting = null; 12968 } 12969 12970 Signature[] callerSignature; 12971 Object obj = mSettings.getUserIdLPr(uid); 12972 if (obj != null) { 12973 if (obj instanceof SharedUserSetting) { 12974 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12975 } else if (obj instanceof PackageSetting) { 12976 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12977 } else { 12978 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12979 } 12980 } else { 12981 throw new SecurityException("Unknown calling UID: " + uid); 12982 } 12983 12984 // Verify: can't set installerPackageName to a package that is 12985 // not signed with the same cert as the caller. 12986 if (installerPackageSetting != null) { 12987 if (compareSignatures(callerSignature, 12988 installerPackageSetting.signatures.mSignatures) 12989 != PackageManager.SIGNATURE_MATCH) { 12990 throw new SecurityException( 12991 "Caller does not have same cert as new installer package " 12992 + installerPackageName); 12993 } 12994 } 12995 12996 // Verify: if target already has an installer package, it must 12997 // be signed with the same cert as the caller. 12998 if (targetPackageSetting.installerPackageName != null) { 12999 PackageSetting setting = mSettings.mPackages.get( 13000 targetPackageSetting.installerPackageName); 13001 // If the currently set package isn't valid, then it's always 13002 // okay to change it. 13003 if (setting != null) { 13004 if (compareSignatures(callerSignature, 13005 setting.signatures.mSignatures) 13006 != PackageManager.SIGNATURE_MATCH) { 13007 throw new SecurityException( 13008 "Caller does not have same cert as old installer package " 13009 + targetPackageSetting.installerPackageName); 13010 } 13011 } 13012 } 13013 13014 // Okay! 13015 targetPackageSetting.installerPackageName = installerPackageName; 13016 if (installerPackageName != null) { 13017 mSettings.mInstallerPackages.add(installerPackageName); 13018 } 13019 scheduleWriteSettingsLocked(); 13020 } 13021 } 13022 13023 @Override 13024 public void setApplicationCategoryHint(String packageName, int categoryHint, 13025 String callerPackageName) { 13026 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13027 callerPackageName); 13028 synchronized (mPackages) { 13029 PackageSetting ps = mSettings.mPackages.get(packageName); 13030 if (ps == null) { 13031 throw new IllegalArgumentException("Unknown target package " + packageName); 13032 } 13033 13034 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13035 throw new IllegalArgumentException("Calling package " + callerPackageName 13036 + " is not installer for " + packageName); 13037 } 13038 13039 if (ps.categoryHint != categoryHint) { 13040 ps.categoryHint = categoryHint; 13041 scheduleWriteSettingsLocked(); 13042 } 13043 } 13044 } 13045 13046 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13047 // Queue up an async operation since the package installation may take a little while. 13048 mHandler.post(new Runnable() { 13049 public void run() { 13050 mHandler.removeCallbacks(this); 13051 // Result object to be returned 13052 PackageInstalledInfo res = new PackageInstalledInfo(); 13053 res.setReturnCode(currentStatus); 13054 res.uid = -1; 13055 res.pkg = null; 13056 res.removedInfo = null; 13057 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13058 args.doPreInstall(res.returnCode); 13059 synchronized (mInstallLock) { 13060 installPackageTracedLI(args, res); 13061 } 13062 args.doPostInstall(res.returnCode, res.uid); 13063 } 13064 13065 // A restore should be performed at this point if (a) the install 13066 // succeeded, (b) the operation is not an update, and (c) the new 13067 // package has not opted out of backup participation. 13068 final boolean update = res.removedInfo != null 13069 && res.removedInfo.removedPackage != null; 13070 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13071 boolean doRestore = !update 13072 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13073 13074 // Set up the post-install work request bookkeeping. This will be used 13075 // and cleaned up by the post-install event handling regardless of whether 13076 // there's a restore pass performed. Token values are >= 1. 13077 int token; 13078 if (mNextInstallToken < 0) mNextInstallToken = 1; 13079 token = mNextInstallToken++; 13080 13081 PostInstallData data = new PostInstallData(args, res); 13082 mRunningInstalls.put(token, data); 13083 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13084 13085 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13086 // Pass responsibility to the Backup Manager. It will perform a 13087 // restore if appropriate, then pass responsibility back to the 13088 // Package Manager to run the post-install observer callbacks 13089 // and broadcasts. 13090 IBackupManager bm = IBackupManager.Stub.asInterface( 13091 ServiceManager.getService(Context.BACKUP_SERVICE)); 13092 if (bm != null) { 13093 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13094 + " to BM for possible restore"); 13095 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13096 try { 13097 // TODO: http://b/22388012 13098 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 13099 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 13100 } else { 13101 doRestore = false; 13102 } 13103 } catch (RemoteException e) { 13104 // can't happen; the backup manager is local 13105 } catch (Exception e) { 13106 Slog.e(TAG, "Exception trying to enqueue restore", e); 13107 doRestore = false; 13108 } 13109 } else { 13110 Slog.e(TAG, "Backup Manager not found!"); 13111 doRestore = false; 13112 } 13113 } 13114 13115 if (!doRestore) { 13116 // No restore possible, or the Backup Manager was mysteriously not 13117 // available -- just fire the post-install work request directly. 13118 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 13119 13120 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 13121 13122 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 13123 mHandler.sendMessage(msg); 13124 } 13125 } 13126 }); 13127 } 13128 13129 /** 13130 * Callback from PackageSettings whenever an app is first transitioned out of the 13131 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 13132 * the app was "launched" for a restoreAtInstall operation. Therefore we check 13133 * here whether the app is the target of an ongoing install, and only send the 13134 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 13135 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 13136 * handling. 13137 */ 13138 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 13139 // Serialize this with the rest of the install-process message chain. In the 13140 // restore-at-install case, this Runnable will necessarily run before the 13141 // POST_INSTALL message is processed, so the contents of mRunningInstalls 13142 // are coherent. In the non-restore case, the app has already completed install 13143 // and been launched through some other means, so it is not in a problematic 13144 // state for observers to see the FIRST_LAUNCH signal. 13145 mHandler.post(new Runnable() { 13146 @Override 13147 public void run() { 13148 for (int i = 0; i < mRunningInstalls.size(); i++) { 13149 final PostInstallData data = mRunningInstalls.valueAt(i); 13150 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13151 continue; 13152 } 13153 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 13154 // right package; but is it for the right user? 13155 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 13156 if (userId == data.res.newUsers[uIndex]) { 13157 if (DEBUG_BACKUP) { 13158 Slog.i(TAG, "Package " + pkgName 13159 + " being restored so deferring FIRST_LAUNCH"); 13160 } 13161 return; 13162 } 13163 } 13164 } 13165 } 13166 // didn't find it, so not being restored 13167 if (DEBUG_BACKUP) { 13168 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 13169 } 13170 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 13171 } 13172 }); 13173 } 13174 13175 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 13176 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 13177 installerPkg, null, userIds); 13178 } 13179 13180 private abstract class HandlerParams { 13181 private static final int MAX_RETRIES = 4; 13182 13183 /** 13184 * Number of times startCopy() has been attempted and had a non-fatal 13185 * error. 13186 */ 13187 private int mRetries = 0; 13188 13189 /** User handle for the user requesting the information or installation. */ 13190 private final UserHandle mUser; 13191 String traceMethod; 13192 int traceCookie; 13193 13194 HandlerParams(UserHandle user) { 13195 mUser = user; 13196 } 13197 13198 UserHandle getUser() { 13199 return mUser; 13200 } 13201 13202 HandlerParams setTraceMethod(String traceMethod) { 13203 this.traceMethod = traceMethod; 13204 return this; 13205 } 13206 13207 HandlerParams setTraceCookie(int traceCookie) { 13208 this.traceCookie = traceCookie; 13209 return this; 13210 } 13211 13212 final boolean startCopy() { 13213 boolean res; 13214 try { 13215 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 13216 13217 if (++mRetries > MAX_RETRIES) { 13218 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 13219 mHandler.sendEmptyMessage(MCS_GIVE_UP); 13220 handleServiceError(); 13221 return false; 13222 } else { 13223 handleStartCopy(); 13224 res = true; 13225 } 13226 } catch (RemoteException e) { 13227 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 13228 mHandler.sendEmptyMessage(MCS_RECONNECT); 13229 res = false; 13230 } 13231 handleReturnCode(); 13232 return res; 13233 } 13234 13235 final void serviceError() { 13236 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 13237 handleServiceError(); 13238 handleReturnCode(); 13239 } 13240 13241 abstract void handleStartCopy() throws RemoteException; 13242 abstract void handleServiceError(); 13243 abstract void handleReturnCode(); 13244 } 13245 13246 class MeasureParams extends HandlerParams { 13247 private final PackageStats mStats; 13248 private boolean mSuccess; 13249 13250 private final IPackageStatsObserver mObserver; 13251 13252 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 13253 super(new UserHandle(stats.userHandle)); 13254 mObserver = observer; 13255 mStats = stats; 13256 } 13257 13258 @Override 13259 public String toString() { 13260 return "MeasureParams{" 13261 + Integer.toHexString(System.identityHashCode(this)) 13262 + " " + mStats.packageName + "}"; 13263 } 13264 13265 @Override 13266 void handleStartCopy() throws RemoteException { 13267 synchronized (mInstallLock) { 13268 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 13269 } 13270 13271 if (mSuccess) { 13272 boolean mounted = false; 13273 try { 13274 final String status = Environment.getExternalStorageState(); 13275 mounted = (Environment.MEDIA_MOUNTED.equals(status) 13276 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 13277 } catch (Exception e) { 13278 } 13279 13280 if (mounted) { 13281 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 13282 13283 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 13284 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 13285 13286 mStats.externalDataSize = calculateDirectorySize(mContainerService, 13287 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 13288 13289 // Always subtract cache size, since it's a subdirectory 13290 mStats.externalDataSize -= mStats.externalCacheSize; 13291 13292 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 13293 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 13294 13295 mStats.externalObbSize = calculateDirectorySize(mContainerService, 13296 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 13297 } 13298 } 13299 } 13300 13301 @Override 13302 void handleReturnCode() { 13303 if (mObserver != null) { 13304 try { 13305 mObserver.onGetStatsCompleted(mStats, mSuccess); 13306 } catch (RemoteException e) { 13307 Slog.i(TAG, "Observer no longer exists."); 13308 } 13309 } 13310 } 13311 13312 @Override 13313 void handleServiceError() { 13314 Slog.e(TAG, "Could not measure application " + mStats.packageName 13315 + " external storage"); 13316 } 13317 } 13318 13319 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 13320 throws RemoteException { 13321 long result = 0; 13322 for (File path : paths) { 13323 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 13324 } 13325 return result; 13326 } 13327 13328 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 13329 for (File path : paths) { 13330 try { 13331 mcs.clearDirectory(path.getAbsolutePath()); 13332 } catch (RemoteException e) { 13333 } 13334 } 13335 } 13336 13337 static class OriginInfo { 13338 /** 13339 * Location where install is coming from, before it has been 13340 * copied/renamed into place. This could be a single monolithic APK 13341 * file, or a cluster directory. This location may be untrusted. 13342 */ 13343 final File file; 13344 final String cid; 13345 13346 /** 13347 * Flag indicating that {@link #file} or {@link #cid} has already been 13348 * staged, meaning downstream users don't need to defensively copy the 13349 * contents. 13350 */ 13351 final boolean staged; 13352 13353 /** 13354 * Flag indicating that {@link #file} or {@link #cid} is an already 13355 * installed app that is being moved. 13356 */ 13357 final boolean existing; 13358 13359 final String resolvedPath; 13360 final File resolvedFile; 13361 13362 static OriginInfo fromNothing() { 13363 return new OriginInfo(null, null, false, false); 13364 } 13365 13366 static OriginInfo fromUntrustedFile(File file) { 13367 return new OriginInfo(file, null, false, false); 13368 } 13369 13370 static OriginInfo fromExistingFile(File file) { 13371 return new OriginInfo(file, null, false, true); 13372 } 13373 13374 static OriginInfo fromStagedFile(File file) { 13375 return new OriginInfo(file, null, true, false); 13376 } 13377 13378 static OriginInfo fromStagedContainer(String cid) { 13379 return new OriginInfo(null, cid, true, false); 13380 } 13381 13382 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 13383 this.file = file; 13384 this.cid = cid; 13385 this.staged = staged; 13386 this.existing = existing; 13387 13388 if (cid != null) { 13389 resolvedPath = PackageHelper.getSdDir(cid); 13390 resolvedFile = new File(resolvedPath); 13391 } else if (file != null) { 13392 resolvedPath = file.getAbsolutePath(); 13393 resolvedFile = file; 13394 } else { 13395 resolvedPath = null; 13396 resolvedFile = null; 13397 } 13398 } 13399 } 13400 13401 static class MoveInfo { 13402 final int moveId; 13403 final String fromUuid; 13404 final String toUuid; 13405 final String packageName; 13406 final String dataAppName; 13407 final int appId; 13408 final String seinfo; 13409 final int targetSdkVersion; 13410 13411 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 13412 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 13413 this.moveId = moveId; 13414 this.fromUuid = fromUuid; 13415 this.toUuid = toUuid; 13416 this.packageName = packageName; 13417 this.dataAppName = dataAppName; 13418 this.appId = appId; 13419 this.seinfo = seinfo; 13420 this.targetSdkVersion = targetSdkVersion; 13421 } 13422 } 13423 13424 static class VerificationInfo { 13425 /** A constant used to indicate that a uid value is not present. */ 13426 public static final int NO_UID = -1; 13427 13428 /** URI referencing where the package was downloaded from. */ 13429 final Uri originatingUri; 13430 13431 /** HTTP referrer URI associated with the originatingURI. */ 13432 final Uri referrer; 13433 13434 /** UID of the application that the install request originated from. */ 13435 final int originatingUid; 13436 13437 /** UID of application requesting the install */ 13438 final int installerUid; 13439 13440 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 13441 this.originatingUri = originatingUri; 13442 this.referrer = referrer; 13443 this.originatingUid = originatingUid; 13444 this.installerUid = installerUid; 13445 } 13446 } 13447 13448 class InstallParams extends HandlerParams { 13449 final OriginInfo origin; 13450 final MoveInfo move; 13451 final IPackageInstallObserver2 observer; 13452 int installFlags; 13453 final String installerPackageName; 13454 final String volumeUuid; 13455 private InstallArgs mArgs; 13456 private int mRet; 13457 final String packageAbiOverride; 13458 final String[] grantedRuntimePermissions; 13459 final VerificationInfo verificationInfo; 13460 final Certificate[][] certificates; 13461 final int installReason; 13462 13463 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13464 int installFlags, String installerPackageName, String volumeUuid, 13465 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 13466 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 13467 super(user); 13468 this.origin = origin; 13469 this.move = move; 13470 this.observer = observer; 13471 this.installFlags = installFlags; 13472 this.installerPackageName = installerPackageName; 13473 this.volumeUuid = volumeUuid; 13474 this.verificationInfo = verificationInfo; 13475 this.packageAbiOverride = packageAbiOverride; 13476 this.grantedRuntimePermissions = grantedPermissions; 13477 this.certificates = certificates; 13478 this.installReason = installReason; 13479 } 13480 13481 @Override 13482 public String toString() { 13483 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 13484 + " file=" + origin.file + " cid=" + origin.cid + "}"; 13485 } 13486 13487 private int installLocationPolicy(PackageInfoLite pkgLite) { 13488 String packageName = pkgLite.packageName; 13489 int installLocation = pkgLite.installLocation; 13490 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13491 // reader 13492 synchronized (mPackages) { 13493 // Currently installed package which the new package is attempting to replace or 13494 // null if no such package is installed. 13495 PackageParser.Package installedPkg = mPackages.get(packageName); 13496 // Package which currently owns the data which the new package will own if installed. 13497 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 13498 // will be null whereas dataOwnerPkg will contain information about the package 13499 // which was uninstalled while keeping its data. 13500 PackageParser.Package dataOwnerPkg = installedPkg; 13501 if (dataOwnerPkg == null) { 13502 PackageSetting ps = mSettings.mPackages.get(packageName); 13503 if (ps != null) { 13504 dataOwnerPkg = ps.pkg; 13505 } 13506 } 13507 13508 if (dataOwnerPkg != null) { 13509 // If installed, the package will get access to data left on the device by its 13510 // predecessor. As a security measure, this is permited only if this is not a 13511 // version downgrade or if the predecessor package is marked as debuggable and 13512 // a downgrade is explicitly requested. 13513 // 13514 // On debuggable platform builds, downgrades are permitted even for 13515 // non-debuggable packages to make testing easier. Debuggable platform builds do 13516 // not offer security guarantees and thus it's OK to disable some security 13517 // mechanisms to make debugging/testing easier on those builds. However, even on 13518 // debuggable builds downgrades of packages are permitted only if requested via 13519 // installFlags. This is because we aim to keep the behavior of debuggable 13520 // platform builds as close as possible to the behavior of non-debuggable 13521 // platform builds. 13522 final boolean downgradeRequested = 13523 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 13524 final boolean packageDebuggable = 13525 (dataOwnerPkg.applicationInfo.flags 13526 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 13527 final boolean downgradePermitted = 13528 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 13529 if (!downgradePermitted) { 13530 try { 13531 checkDowngrade(dataOwnerPkg, pkgLite); 13532 } catch (PackageManagerException e) { 13533 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13534 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13535 } 13536 } 13537 } 13538 13539 if (installedPkg != null) { 13540 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13541 // Check for updated system application. 13542 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13543 if (onSd) { 13544 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13545 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13546 } 13547 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13548 } else { 13549 if (onSd) { 13550 // Install flag overrides everything. 13551 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13552 } 13553 // If current upgrade specifies particular preference 13554 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13555 // Application explicitly specified internal. 13556 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13557 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13558 // App explictly prefers external. Let policy decide 13559 } else { 13560 // Prefer previous location 13561 if (isExternal(installedPkg)) { 13562 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13563 } 13564 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13565 } 13566 } 13567 } else { 13568 // Invalid install. Return error code 13569 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13570 } 13571 } 13572 } 13573 // All the special cases have been taken care of. 13574 // Return result based on recommended install location. 13575 if (onSd) { 13576 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13577 } 13578 return pkgLite.recommendedInstallLocation; 13579 } 13580 13581 /* 13582 * Invoke remote method to get package information and install 13583 * location values. Override install location based on default 13584 * policy if needed and then create install arguments based 13585 * on the install location. 13586 */ 13587 public void handleStartCopy() throws RemoteException { 13588 int ret = PackageManager.INSTALL_SUCCEEDED; 13589 13590 // If we're already staged, we've firmly committed to an install location 13591 if (origin.staged) { 13592 if (origin.file != null) { 13593 installFlags |= PackageManager.INSTALL_INTERNAL; 13594 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13595 } else if (origin.cid != null) { 13596 installFlags |= PackageManager.INSTALL_EXTERNAL; 13597 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13598 } else { 13599 throw new IllegalStateException("Invalid stage location"); 13600 } 13601 } 13602 13603 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13604 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13605 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13606 PackageInfoLite pkgLite = null; 13607 13608 if (onInt && onSd) { 13609 // Check if both bits are set. 13610 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13611 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13612 } else if (onSd && ephemeral) { 13613 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13614 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13615 } else { 13616 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13617 packageAbiOverride); 13618 13619 if (DEBUG_EPHEMERAL && ephemeral) { 13620 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13621 } 13622 13623 /* 13624 * If we have too little free space, try to free cache 13625 * before giving up. 13626 */ 13627 if (!origin.staged && pkgLite.recommendedInstallLocation 13628 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13629 // TODO: focus freeing disk space on the target device 13630 final StorageManager storage = StorageManager.from(mContext); 13631 final long lowThreshold = storage.getStorageLowBytes( 13632 Environment.getDataDirectory()); 13633 13634 final long sizeBytes = mContainerService.calculateInstalledSize( 13635 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13636 13637 try { 13638 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13639 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13640 installFlags, packageAbiOverride); 13641 } catch (InstallerException e) { 13642 Slog.w(TAG, "Failed to free cache", e); 13643 } 13644 13645 /* 13646 * The cache free must have deleted the file we 13647 * downloaded to install. 13648 * 13649 * TODO: fix the "freeCache" call to not delete 13650 * the file we care about. 13651 */ 13652 if (pkgLite.recommendedInstallLocation 13653 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13654 pkgLite.recommendedInstallLocation 13655 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13656 } 13657 } 13658 } 13659 13660 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13661 int loc = pkgLite.recommendedInstallLocation; 13662 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13663 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13664 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13665 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13666 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13667 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13668 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13669 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13670 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13671 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13672 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13673 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13674 } else { 13675 // Override with defaults if needed. 13676 loc = installLocationPolicy(pkgLite); 13677 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13678 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13679 } else if (!onSd && !onInt) { 13680 // Override install location with flags 13681 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13682 // Set the flag to install on external media. 13683 installFlags |= PackageManager.INSTALL_EXTERNAL; 13684 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13685 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13686 if (DEBUG_EPHEMERAL) { 13687 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13688 } 13689 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13690 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13691 |PackageManager.INSTALL_INTERNAL); 13692 } else { 13693 // Make sure the flag for installing on external 13694 // media is unset 13695 installFlags |= PackageManager.INSTALL_INTERNAL; 13696 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13697 } 13698 } 13699 } 13700 } 13701 13702 final InstallArgs args = createInstallArgs(this); 13703 mArgs = args; 13704 13705 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13706 // TODO: http://b/22976637 13707 // Apps installed for "all" users use the device owner to verify the app 13708 UserHandle verifierUser = getUser(); 13709 if (verifierUser == UserHandle.ALL) { 13710 verifierUser = UserHandle.SYSTEM; 13711 } 13712 13713 /* 13714 * Determine if we have any installed package verifiers. If we 13715 * do, then we'll defer to them to verify the packages. 13716 */ 13717 final int requiredUid = mRequiredVerifierPackage == null ? -1 13718 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13719 verifierUser.getIdentifier()); 13720 if (!origin.existing && requiredUid != -1 13721 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13722 final Intent verification = new Intent( 13723 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13724 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13725 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13726 PACKAGE_MIME_TYPE); 13727 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13728 13729 // Query all live verifiers based on current user state 13730 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13731 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13732 13733 if (DEBUG_VERIFY) { 13734 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13735 + verification.toString() + " with " + pkgLite.verifiers.length 13736 + " optional verifiers"); 13737 } 13738 13739 final int verificationId = mPendingVerificationToken++; 13740 13741 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13742 13743 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13744 installerPackageName); 13745 13746 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13747 installFlags); 13748 13749 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13750 pkgLite.packageName); 13751 13752 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13753 pkgLite.versionCode); 13754 13755 if (verificationInfo != null) { 13756 if (verificationInfo.originatingUri != null) { 13757 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13758 verificationInfo.originatingUri); 13759 } 13760 if (verificationInfo.referrer != null) { 13761 verification.putExtra(Intent.EXTRA_REFERRER, 13762 verificationInfo.referrer); 13763 } 13764 if (verificationInfo.originatingUid >= 0) { 13765 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13766 verificationInfo.originatingUid); 13767 } 13768 if (verificationInfo.installerUid >= 0) { 13769 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13770 verificationInfo.installerUid); 13771 } 13772 } 13773 13774 final PackageVerificationState verificationState = new PackageVerificationState( 13775 requiredUid, args); 13776 13777 mPendingVerification.append(verificationId, verificationState); 13778 13779 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13780 receivers, verificationState); 13781 13782 /* 13783 * If any sufficient verifiers were listed in the package 13784 * manifest, attempt to ask them. 13785 */ 13786 if (sufficientVerifiers != null) { 13787 final int N = sufficientVerifiers.size(); 13788 if (N == 0) { 13789 Slog.i(TAG, "Additional verifiers required, but none installed."); 13790 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13791 } else { 13792 for (int i = 0; i < N; i++) { 13793 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13794 13795 final Intent sufficientIntent = new Intent(verification); 13796 sufficientIntent.setComponent(verifierComponent); 13797 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13798 } 13799 } 13800 } 13801 13802 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13803 mRequiredVerifierPackage, receivers); 13804 if (ret == PackageManager.INSTALL_SUCCEEDED 13805 && mRequiredVerifierPackage != null) { 13806 Trace.asyncTraceBegin( 13807 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13808 /* 13809 * Send the intent to the required verification agent, 13810 * but only start the verification timeout after the 13811 * target BroadcastReceivers have run. 13812 */ 13813 verification.setComponent(requiredVerifierComponent); 13814 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13815 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13816 new BroadcastReceiver() { 13817 @Override 13818 public void onReceive(Context context, Intent intent) { 13819 final Message msg = mHandler 13820 .obtainMessage(CHECK_PENDING_VERIFICATION); 13821 msg.arg1 = verificationId; 13822 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13823 } 13824 }, null, 0, null, null); 13825 13826 /* 13827 * We don't want the copy to proceed until verification 13828 * succeeds, so null out this field. 13829 */ 13830 mArgs = null; 13831 } 13832 } else { 13833 /* 13834 * No package verification is enabled, so immediately start 13835 * the remote call to initiate copy using temporary file. 13836 */ 13837 ret = args.copyApk(mContainerService, true); 13838 } 13839 } 13840 13841 mRet = ret; 13842 } 13843 13844 @Override 13845 void handleReturnCode() { 13846 // If mArgs is null, then MCS couldn't be reached. When it 13847 // reconnects, it will try again to install. At that point, this 13848 // will succeed. 13849 if (mArgs != null) { 13850 processPendingInstall(mArgs, mRet); 13851 } 13852 } 13853 13854 @Override 13855 void handleServiceError() { 13856 mArgs = createInstallArgs(this); 13857 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13858 } 13859 13860 public boolean isForwardLocked() { 13861 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13862 } 13863 } 13864 13865 /** 13866 * Used during creation of InstallArgs 13867 * 13868 * @param installFlags package installation flags 13869 * @return true if should be installed on external storage 13870 */ 13871 private static boolean installOnExternalAsec(int installFlags) { 13872 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13873 return false; 13874 } 13875 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13876 return true; 13877 } 13878 return false; 13879 } 13880 13881 /** 13882 * Used during creation of InstallArgs 13883 * 13884 * @param installFlags package installation flags 13885 * @return true if should be installed as forward locked 13886 */ 13887 private static boolean installForwardLocked(int installFlags) { 13888 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13889 } 13890 13891 private InstallArgs createInstallArgs(InstallParams params) { 13892 if (params.move != null) { 13893 return new MoveInstallArgs(params); 13894 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13895 return new AsecInstallArgs(params); 13896 } else { 13897 return new FileInstallArgs(params); 13898 } 13899 } 13900 13901 /** 13902 * Create args that describe an existing installed package. Typically used 13903 * when cleaning up old installs, or used as a move source. 13904 */ 13905 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13906 String resourcePath, String[] instructionSets) { 13907 final boolean isInAsec; 13908 if (installOnExternalAsec(installFlags)) { 13909 /* Apps on SD card are always in ASEC containers. */ 13910 isInAsec = true; 13911 } else if (installForwardLocked(installFlags) 13912 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13913 /* 13914 * Forward-locked apps are only in ASEC containers if they're the 13915 * new style 13916 */ 13917 isInAsec = true; 13918 } else { 13919 isInAsec = false; 13920 } 13921 13922 if (isInAsec) { 13923 return new AsecInstallArgs(codePath, instructionSets, 13924 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13925 } else { 13926 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13927 } 13928 } 13929 13930 static abstract class InstallArgs { 13931 /** @see InstallParams#origin */ 13932 final OriginInfo origin; 13933 /** @see InstallParams#move */ 13934 final MoveInfo move; 13935 13936 final IPackageInstallObserver2 observer; 13937 // Always refers to PackageManager flags only 13938 final int installFlags; 13939 final String installerPackageName; 13940 final String volumeUuid; 13941 final UserHandle user; 13942 final String abiOverride; 13943 final String[] installGrantPermissions; 13944 /** If non-null, drop an async trace when the install completes */ 13945 final String traceMethod; 13946 final int traceCookie; 13947 final Certificate[][] certificates; 13948 final int installReason; 13949 13950 // The list of instruction sets supported by this app. This is currently 13951 // only used during the rmdex() phase to clean up resources. We can get rid of this 13952 // if we move dex files under the common app path. 13953 /* nullable */ String[] instructionSets; 13954 13955 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13956 int installFlags, String installerPackageName, String volumeUuid, 13957 UserHandle user, String[] instructionSets, 13958 String abiOverride, String[] installGrantPermissions, 13959 String traceMethod, int traceCookie, Certificate[][] certificates, 13960 int installReason) { 13961 this.origin = origin; 13962 this.move = move; 13963 this.installFlags = installFlags; 13964 this.observer = observer; 13965 this.installerPackageName = installerPackageName; 13966 this.volumeUuid = volumeUuid; 13967 this.user = user; 13968 this.instructionSets = instructionSets; 13969 this.abiOverride = abiOverride; 13970 this.installGrantPermissions = installGrantPermissions; 13971 this.traceMethod = traceMethod; 13972 this.traceCookie = traceCookie; 13973 this.certificates = certificates; 13974 this.installReason = installReason; 13975 } 13976 13977 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13978 abstract int doPreInstall(int status); 13979 13980 /** 13981 * Rename package into final resting place. All paths on the given 13982 * scanned package should be updated to reflect the rename. 13983 */ 13984 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13985 abstract int doPostInstall(int status, int uid); 13986 13987 /** @see PackageSettingBase#codePathString */ 13988 abstract String getCodePath(); 13989 /** @see PackageSettingBase#resourcePathString */ 13990 abstract String getResourcePath(); 13991 13992 // Need installer lock especially for dex file removal. 13993 abstract void cleanUpResourcesLI(); 13994 abstract boolean doPostDeleteLI(boolean delete); 13995 13996 /** 13997 * Called before the source arguments are copied. This is used mostly 13998 * for MoveParams when it needs to read the source file to put it in the 13999 * destination. 14000 */ 14001 int doPreCopy() { 14002 return PackageManager.INSTALL_SUCCEEDED; 14003 } 14004 14005 /** 14006 * Called after the source arguments are copied. This is used mostly for 14007 * MoveParams when it needs to read the source file to put it in the 14008 * destination. 14009 */ 14010 int doPostCopy(int uid) { 14011 return PackageManager.INSTALL_SUCCEEDED; 14012 } 14013 14014 protected boolean isFwdLocked() { 14015 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14016 } 14017 14018 protected boolean isExternalAsec() { 14019 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14020 } 14021 14022 protected boolean isEphemeral() { 14023 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14024 } 14025 14026 UserHandle getUser() { 14027 return user; 14028 } 14029 } 14030 14031 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14032 if (!allCodePaths.isEmpty()) { 14033 if (instructionSets == null) { 14034 throw new IllegalStateException("instructionSet == null"); 14035 } 14036 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14037 for (String codePath : allCodePaths) { 14038 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14039 try { 14040 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14041 } catch (InstallerException ignored) { 14042 } 14043 } 14044 } 14045 } 14046 } 14047 14048 /** 14049 * Logic to handle installation of non-ASEC applications, including copying 14050 * and renaming logic. 14051 */ 14052 class FileInstallArgs extends InstallArgs { 14053 private File codeFile; 14054 private File resourceFile; 14055 14056 // Example topology: 14057 // /data/app/com.example/base.apk 14058 // /data/app/com.example/split_foo.apk 14059 // /data/app/com.example/lib/arm/libfoo.so 14060 // /data/app/com.example/lib/arm64/libfoo.so 14061 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14062 14063 /** New install */ 14064 FileInstallArgs(InstallParams params) { 14065 super(params.origin, params.move, params.observer, params.installFlags, 14066 params.installerPackageName, params.volumeUuid, 14067 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14068 params.grantedRuntimePermissions, 14069 params.traceMethod, params.traceCookie, params.certificates, 14070 params.installReason); 14071 if (isFwdLocked()) { 14072 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14073 } 14074 } 14075 14076 /** Existing install */ 14077 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14078 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14079 null, null, null, 0, null /*certificates*/, 14080 PackageManager.INSTALL_REASON_UNKNOWN); 14081 this.codeFile = (codePath != null) ? new File(codePath) : null; 14082 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14083 } 14084 14085 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14086 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14087 try { 14088 return doCopyApk(imcs, temp); 14089 } finally { 14090 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14091 } 14092 } 14093 14094 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14095 if (origin.staged) { 14096 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14097 codeFile = origin.file; 14098 resourceFile = origin.file; 14099 return PackageManager.INSTALL_SUCCEEDED; 14100 } 14101 14102 try { 14103 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14104 final File tempDir = 14105 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14106 codeFile = tempDir; 14107 resourceFile = tempDir; 14108 } catch (IOException e) { 14109 Slog.w(TAG, "Failed to create copy file: " + e); 14110 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14111 } 14112 14113 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14114 @Override 14115 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14116 if (!FileUtils.isValidExtFilename(name)) { 14117 throw new IllegalArgumentException("Invalid filename: " + name); 14118 } 14119 try { 14120 final File file = new File(codeFile, name); 14121 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14122 O_RDWR | O_CREAT, 0644); 14123 Os.chmod(file.getAbsolutePath(), 0644); 14124 return new ParcelFileDescriptor(fd); 14125 } catch (ErrnoException e) { 14126 throw new RemoteException("Failed to open: " + e.getMessage()); 14127 } 14128 } 14129 }; 14130 14131 int ret = PackageManager.INSTALL_SUCCEEDED; 14132 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14133 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14134 Slog.e(TAG, "Failed to copy package"); 14135 return ret; 14136 } 14137 14138 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14139 NativeLibraryHelper.Handle handle = null; 14140 try { 14141 handle = NativeLibraryHelper.Handle.create(codeFile); 14142 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14143 abiOverride); 14144 } catch (IOException e) { 14145 Slog.e(TAG, "Copying native libraries failed", e); 14146 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14147 } finally { 14148 IoUtils.closeQuietly(handle); 14149 } 14150 14151 return ret; 14152 } 14153 14154 int doPreInstall(int status) { 14155 if (status != PackageManager.INSTALL_SUCCEEDED) { 14156 cleanUp(); 14157 } 14158 return status; 14159 } 14160 14161 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14162 if (status != PackageManager.INSTALL_SUCCEEDED) { 14163 cleanUp(); 14164 return false; 14165 } 14166 14167 final File targetDir = codeFile.getParentFile(); 14168 final File beforeCodeFile = codeFile; 14169 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14170 14171 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 14172 try { 14173 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 14174 } catch (ErrnoException e) { 14175 Slog.w(TAG, "Failed to rename", e); 14176 return false; 14177 } 14178 14179 if (!SELinux.restoreconRecursive(afterCodeFile)) { 14180 Slog.w(TAG, "Failed to restorecon"); 14181 return false; 14182 } 14183 14184 // Reflect the rename internally 14185 codeFile = afterCodeFile; 14186 resourceFile = afterCodeFile; 14187 14188 // Reflect the rename in scanned details 14189 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14190 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14191 afterCodeFile, pkg.baseCodePath)); 14192 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14193 afterCodeFile, pkg.splitCodePaths)); 14194 14195 // Reflect the rename in app info 14196 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14197 pkg.setApplicationInfoCodePath(pkg.codePath); 14198 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14199 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14200 pkg.setApplicationInfoResourcePath(pkg.codePath); 14201 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14202 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14203 14204 return true; 14205 } 14206 14207 int doPostInstall(int status, int uid) { 14208 if (status != PackageManager.INSTALL_SUCCEEDED) { 14209 cleanUp(); 14210 } 14211 return status; 14212 } 14213 14214 @Override 14215 String getCodePath() { 14216 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14217 } 14218 14219 @Override 14220 String getResourcePath() { 14221 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14222 } 14223 14224 private boolean cleanUp() { 14225 if (codeFile == null || !codeFile.exists()) { 14226 return false; 14227 } 14228 14229 removeCodePathLI(codeFile); 14230 14231 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 14232 resourceFile.delete(); 14233 } 14234 14235 return true; 14236 } 14237 14238 void cleanUpResourcesLI() { 14239 // Try enumerating all code paths before deleting 14240 List<String> allCodePaths = Collections.EMPTY_LIST; 14241 if (codeFile != null && codeFile.exists()) { 14242 try { 14243 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14244 allCodePaths = pkg.getAllCodePaths(); 14245 } catch (PackageParserException e) { 14246 // Ignored; we tried our best 14247 } 14248 } 14249 14250 cleanUp(); 14251 removeDexFiles(allCodePaths, instructionSets); 14252 } 14253 14254 boolean doPostDeleteLI(boolean delete) { 14255 // XXX err, shouldn't we respect the delete flag? 14256 cleanUpResourcesLI(); 14257 return true; 14258 } 14259 } 14260 14261 private boolean isAsecExternal(String cid) { 14262 final String asecPath = PackageHelper.getSdFilesystem(cid); 14263 return !asecPath.startsWith(mAsecInternalPath); 14264 } 14265 14266 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 14267 PackageManagerException { 14268 if (copyRet < 0) { 14269 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 14270 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 14271 throw new PackageManagerException(copyRet, message); 14272 } 14273 } 14274 } 14275 14276 /** 14277 * Extract the StorageManagerService "container ID" from the full code path of an 14278 * .apk. 14279 */ 14280 static String cidFromCodePath(String fullCodePath) { 14281 int eidx = fullCodePath.lastIndexOf("/"); 14282 String subStr1 = fullCodePath.substring(0, eidx); 14283 int sidx = subStr1.lastIndexOf("/"); 14284 return subStr1.substring(sidx+1, eidx); 14285 } 14286 14287 /** 14288 * Logic to handle installation of ASEC applications, including copying and 14289 * renaming logic. 14290 */ 14291 class AsecInstallArgs extends InstallArgs { 14292 static final String RES_FILE_NAME = "pkg.apk"; 14293 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 14294 14295 String cid; 14296 String packagePath; 14297 String resourcePath; 14298 14299 /** New install */ 14300 AsecInstallArgs(InstallParams params) { 14301 super(params.origin, params.move, params.observer, params.installFlags, 14302 params.installerPackageName, params.volumeUuid, 14303 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14304 params.grantedRuntimePermissions, 14305 params.traceMethod, params.traceCookie, params.certificates, 14306 params.installReason); 14307 } 14308 14309 /** Existing install */ 14310 AsecInstallArgs(String fullCodePath, String[] instructionSets, 14311 boolean isExternal, boolean isForwardLocked) { 14312 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 14313 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 14314 instructionSets, null, null, null, 0, null /*certificates*/, 14315 PackageManager.INSTALL_REASON_UNKNOWN); 14316 // Hackily pretend we're still looking at a full code path 14317 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 14318 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 14319 } 14320 14321 // Extract cid from fullCodePath 14322 int eidx = fullCodePath.lastIndexOf("/"); 14323 String subStr1 = fullCodePath.substring(0, eidx); 14324 int sidx = subStr1.lastIndexOf("/"); 14325 cid = subStr1.substring(sidx+1, eidx); 14326 setMountPath(subStr1); 14327 } 14328 14329 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 14330 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 14331 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 14332 instructionSets, null, null, null, 0, null /*certificates*/, 14333 PackageManager.INSTALL_REASON_UNKNOWN); 14334 this.cid = cid; 14335 setMountPath(PackageHelper.getSdDir(cid)); 14336 } 14337 14338 void createCopyFile() { 14339 cid = mInstallerService.allocateExternalStageCidLegacy(); 14340 } 14341 14342 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14343 if (origin.staged && origin.cid != null) { 14344 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 14345 cid = origin.cid; 14346 setMountPath(PackageHelper.getSdDir(cid)); 14347 return PackageManager.INSTALL_SUCCEEDED; 14348 } 14349 14350 if (temp) { 14351 createCopyFile(); 14352 } else { 14353 /* 14354 * Pre-emptively destroy the container since it's destroyed if 14355 * copying fails due to it existing anyway. 14356 */ 14357 PackageHelper.destroySdDir(cid); 14358 } 14359 14360 final String newMountPath = imcs.copyPackageToContainer( 14361 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 14362 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 14363 14364 if (newMountPath != null) { 14365 setMountPath(newMountPath); 14366 return PackageManager.INSTALL_SUCCEEDED; 14367 } else { 14368 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14369 } 14370 } 14371 14372 @Override 14373 String getCodePath() { 14374 return packagePath; 14375 } 14376 14377 @Override 14378 String getResourcePath() { 14379 return resourcePath; 14380 } 14381 14382 int doPreInstall(int status) { 14383 if (status != PackageManager.INSTALL_SUCCEEDED) { 14384 // Destroy container 14385 PackageHelper.destroySdDir(cid); 14386 } else { 14387 boolean mounted = PackageHelper.isContainerMounted(cid); 14388 if (!mounted) { 14389 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 14390 Process.SYSTEM_UID); 14391 if (newMountPath != null) { 14392 setMountPath(newMountPath); 14393 } else { 14394 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14395 } 14396 } 14397 } 14398 return status; 14399 } 14400 14401 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14402 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 14403 String newMountPath = null; 14404 if (PackageHelper.isContainerMounted(cid)) { 14405 // Unmount the container 14406 if (!PackageHelper.unMountSdDir(cid)) { 14407 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 14408 return false; 14409 } 14410 } 14411 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 14412 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 14413 " which might be stale. Will try to clean up."); 14414 // Clean up the stale container and proceed to recreate. 14415 if (!PackageHelper.destroySdDir(newCacheId)) { 14416 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 14417 return false; 14418 } 14419 // Successfully cleaned up stale container. Try to rename again. 14420 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 14421 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 14422 + " inspite of cleaning it up."); 14423 return false; 14424 } 14425 } 14426 if (!PackageHelper.isContainerMounted(newCacheId)) { 14427 Slog.w(TAG, "Mounting container " + newCacheId); 14428 newMountPath = PackageHelper.mountSdDir(newCacheId, 14429 getEncryptKey(), Process.SYSTEM_UID); 14430 } else { 14431 newMountPath = PackageHelper.getSdDir(newCacheId); 14432 } 14433 if (newMountPath == null) { 14434 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 14435 return false; 14436 } 14437 Log.i(TAG, "Succesfully renamed " + cid + 14438 " to " + newCacheId + 14439 " at new path: " + newMountPath); 14440 cid = newCacheId; 14441 14442 final File beforeCodeFile = new File(packagePath); 14443 setMountPath(newMountPath); 14444 final File afterCodeFile = new File(packagePath); 14445 14446 // Reflect the rename in scanned details 14447 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14448 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14449 afterCodeFile, pkg.baseCodePath)); 14450 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14451 afterCodeFile, pkg.splitCodePaths)); 14452 14453 // Reflect the rename in app info 14454 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14455 pkg.setApplicationInfoCodePath(pkg.codePath); 14456 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14457 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14458 pkg.setApplicationInfoResourcePath(pkg.codePath); 14459 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14460 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14461 14462 return true; 14463 } 14464 14465 private void setMountPath(String mountPath) { 14466 final File mountFile = new File(mountPath); 14467 14468 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 14469 if (monolithicFile.exists()) { 14470 packagePath = monolithicFile.getAbsolutePath(); 14471 if (isFwdLocked()) { 14472 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 14473 } else { 14474 resourcePath = packagePath; 14475 } 14476 } else { 14477 packagePath = mountFile.getAbsolutePath(); 14478 resourcePath = packagePath; 14479 } 14480 } 14481 14482 int doPostInstall(int status, int uid) { 14483 if (status != PackageManager.INSTALL_SUCCEEDED) { 14484 cleanUp(); 14485 } else { 14486 final int groupOwner; 14487 final String protectedFile; 14488 if (isFwdLocked()) { 14489 groupOwner = UserHandle.getSharedAppGid(uid); 14490 protectedFile = RES_FILE_NAME; 14491 } else { 14492 groupOwner = -1; 14493 protectedFile = null; 14494 } 14495 14496 if (uid < Process.FIRST_APPLICATION_UID 14497 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 14498 Slog.e(TAG, "Failed to finalize " + cid); 14499 PackageHelper.destroySdDir(cid); 14500 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14501 } 14502 14503 boolean mounted = PackageHelper.isContainerMounted(cid); 14504 if (!mounted) { 14505 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 14506 } 14507 } 14508 return status; 14509 } 14510 14511 private void cleanUp() { 14512 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 14513 14514 // Destroy secure container 14515 PackageHelper.destroySdDir(cid); 14516 } 14517 14518 private List<String> getAllCodePaths() { 14519 final File codeFile = new File(getCodePath()); 14520 if (codeFile != null && codeFile.exists()) { 14521 try { 14522 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14523 return pkg.getAllCodePaths(); 14524 } catch (PackageParserException e) { 14525 // Ignored; we tried our best 14526 } 14527 } 14528 return Collections.EMPTY_LIST; 14529 } 14530 14531 void cleanUpResourcesLI() { 14532 // Enumerate all code paths before deleting 14533 cleanUpResourcesLI(getAllCodePaths()); 14534 } 14535 14536 private void cleanUpResourcesLI(List<String> allCodePaths) { 14537 cleanUp(); 14538 removeDexFiles(allCodePaths, instructionSets); 14539 } 14540 14541 String getPackageName() { 14542 return getAsecPackageName(cid); 14543 } 14544 14545 boolean doPostDeleteLI(boolean delete) { 14546 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14547 final List<String> allCodePaths = getAllCodePaths(); 14548 boolean mounted = PackageHelper.isContainerMounted(cid); 14549 if (mounted) { 14550 // Unmount first 14551 if (PackageHelper.unMountSdDir(cid)) { 14552 mounted = false; 14553 } 14554 } 14555 if (!mounted && delete) { 14556 cleanUpResourcesLI(allCodePaths); 14557 } 14558 return !mounted; 14559 } 14560 14561 @Override 14562 int doPreCopy() { 14563 if (isFwdLocked()) { 14564 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14565 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14566 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14567 } 14568 } 14569 14570 return PackageManager.INSTALL_SUCCEEDED; 14571 } 14572 14573 @Override 14574 int doPostCopy(int uid) { 14575 if (isFwdLocked()) { 14576 if (uid < Process.FIRST_APPLICATION_UID 14577 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14578 RES_FILE_NAME)) { 14579 Slog.e(TAG, "Failed to finalize " + cid); 14580 PackageHelper.destroySdDir(cid); 14581 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14582 } 14583 } 14584 14585 return PackageManager.INSTALL_SUCCEEDED; 14586 } 14587 } 14588 14589 /** 14590 * Logic to handle movement of existing installed applications. 14591 */ 14592 class MoveInstallArgs extends InstallArgs { 14593 private File codeFile; 14594 private File resourceFile; 14595 14596 /** New install */ 14597 MoveInstallArgs(InstallParams params) { 14598 super(params.origin, params.move, params.observer, params.installFlags, 14599 params.installerPackageName, params.volumeUuid, 14600 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14601 params.grantedRuntimePermissions, 14602 params.traceMethod, params.traceCookie, params.certificates, 14603 params.installReason); 14604 } 14605 14606 int copyApk(IMediaContainerService imcs, boolean temp) { 14607 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14608 + move.fromUuid + " to " + move.toUuid); 14609 synchronized (mInstaller) { 14610 try { 14611 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14612 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14613 } catch (InstallerException e) { 14614 Slog.w(TAG, "Failed to move app", e); 14615 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14616 } 14617 } 14618 14619 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14620 resourceFile = codeFile; 14621 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14622 14623 return PackageManager.INSTALL_SUCCEEDED; 14624 } 14625 14626 int doPreInstall(int status) { 14627 if (status != PackageManager.INSTALL_SUCCEEDED) { 14628 cleanUp(move.toUuid); 14629 } 14630 return status; 14631 } 14632 14633 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14634 if (status != PackageManager.INSTALL_SUCCEEDED) { 14635 cleanUp(move.toUuid); 14636 return false; 14637 } 14638 14639 // Reflect the move in app info 14640 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14641 pkg.setApplicationInfoCodePath(pkg.codePath); 14642 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14643 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14644 pkg.setApplicationInfoResourcePath(pkg.codePath); 14645 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14646 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14647 14648 return true; 14649 } 14650 14651 int doPostInstall(int status, int uid) { 14652 if (status == PackageManager.INSTALL_SUCCEEDED) { 14653 cleanUp(move.fromUuid); 14654 } else { 14655 cleanUp(move.toUuid); 14656 } 14657 return status; 14658 } 14659 14660 @Override 14661 String getCodePath() { 14662 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14663 } 14664 14665 @Override 14666 String getResourcePath() { 14667 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14668 } 14669 14670 private boolean cleanUp(String volumeUuid) { 14671 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14672 move.dataAppName); 14673 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14674 final int[] userIds = sUserManager.getUserIds(); 14675 synchronized (mInstallLock) { 14676 // Clean up both app data and code 14677 // All package moves are frozen until finished 14678 for (int userId : userIds) { 14679 try { 14680 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14681 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14682 } catch (InstallerException e) { 14683 Slog.w(TAG, String.valueOf(e)); 14684 } 14685 } 14686 removeCodePathLI(codeFile); 14687 } 14688 return true; 14689 } 14690 14691 void cleanUpResourcesLI() { 14692 throw new UnsupportedOperationException(); 14693 } 14694 14695 boolean doPostDeleteLI(boolean delete) { 14696 throw new UnsupportedOperationException(); 14697 } 14698 } 14699 14700 static String getAsecPackageName(String packageCid) { 14701 int idx = packageCid.lastIndexOf("-"); 14702 if (idx == -1) { 14703 return packageCid; 14704 } 14705 return packageCid.substring(0, idx); 14706 } 14707 14708 // Utility method used to create code paths based on package name and available index. 14709 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14710 String idxStr = ""; 14711 int idx = 1; 14712 // Fall back to default value of idx=1 if prefix is not 14713 // part of oldCodePath 14714 if (oldCodePath != null) { 14715 String subStr = oldCodePath; 14716 // Drop the suffix right away 14717 if (suffix != null && subStr.endsWith(suffix)) { 14718 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14719 } 14720 // If oldCodePath already contains prefix find out the 14721 // ending index to either increment or decrement. 14722 int sidx = subStr.lastIndexOf(prefix); 14723 if (sidx != -1) { 14724 subStr = subStr.substring(sidx + prefix.length()); 14725 if (subStr != null) { 14726 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14727 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14728 } 14729 try { 14730 idx = Integer.parseInt(subStr); 14731 if (idx <= 1) { 14732 idx++; 14733 } else { 14734 idx--; 14735 } 14736 } catch(NumberFormatException e) { 14737 } 14738 } 14739 } 14740 } 14741 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14742 return prefix + idxStr; 14743 } 14744 14745 private File getNextCodePath(File targetDir, String packageName) { 14746 File result; 14747 SecureRandom random = new SecureRandom(); 14748 byte[] bytes = new byte[16]; 14749 do { 14750 random.nextBytes(bytes); 14751 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 14752 result = new File(targetDir, packageName + "-" + suffix); 14753 } while (result.exists()); 14754 return result; 14755 } 14756 14757 // Utility method that returns the relative package path with respect 14758 // to the installation directory. Like say for /data/data/com.test-1.apk 14759 // string com.test-1 is returned. 14760 static String deriveCodePathName(String codePath) { 14761 if (codePath == null) { 14762 return null; 14763 } 14764 final File codeFile = new File(codePath); 14765 final String name = codeFile.getName(); 14766 if (codeFile.isDirectory()) { 14767 return name; 14768 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14769 final int lastDot = name.lastIndexOf('.'); 14770 return name.substring(0, lastDot); 14771 } else { 14772 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14773 return null; 14774 } 14775 } 14776 14777 static class PackageInstalledInfo { 14778 String name; 14779 int uid; 14780 // The set of users that originally had this package installed. 14781 int[] origUsers; 14782 // The set of users that now have this package installed. 14783 int[] newUsers; 14784 PackageParser.Package pkg; 14785 int returnCode; 14786 String returnMsg; 14787 PackageRemovedInfo removedInfo; 14788 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14789 14790 public void setError(int code, String msg) { 14791 setReturnCode(code); 14792 setReturnMessage(msg); 14793 Slog.w(TAG, msg); 14794 } 14795 14796 public void setError(String msg, PackageParserException e) { 14797 setReturnCode(e.error); 14798 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14799 Slog.w(TAG, msg, e); 14800 } 14801 14802 public void setError(String msg, PackageManagerException e) { 14803 returnCode = e.error; 14804 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14805 Slog.w(TAG, msg, e); 14806 } 14807 14808 public void setReturnCode(int returnCode) { 14809 this.returnCode = returnCode; 14810 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14811 for (int i = 0; i < childCount; i++) { 14812 addedChildPackages.valueAt(i).returnCode = returnCode; 14813 } 14814 } 14815 14816 private void setReturnMessage(String returnMsg) { 14817 this.returnMsg = returnMsg; 14818 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14819 for (int i = 0; i < childCount; i++) { 14820 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14821 } 14822 } 14823 14824 // In some error cases we want to convey more info back to the observer 14825 String origPackage; 14826 String origPermission; 14827 } 14828 14829 /* 14830 * Install a non-existing package. 14831 */ 14832 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14833 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14834 PackageInstalledInfo res, int installReason) { 14835 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14836 14837 // Remember this for later, in case we need to rollback this install 14838 String pkgName = pkg.packageName; 14839 14840 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14841 14842 synchronized(mPackages) { 14843 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14844 if (renamedPackage != null) { 14845 // A package with the same name is already installed, though 14846 // it has been renamed to an older name. The package we 14847 // are trying to install should be installed as an update to 14848 // the existing one, but that has not been requested, so bail. 14849 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14850 + " without first uninstalling package running as " 14851 + renamedPackage); 14852 return; 14853 } 14854 if (mPackages.containsKey(pkgName)) { 14855 // Don't allow installation over an existing package with the same name. 14856 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14857 + " without first uninstalling."); 14858 return; 14859 } 14860 } 14861 14862 try { 14863 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14864 System.currentTimeMillis(), user); 14865 14866 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 14867 14868 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14869 prepareAppDataAfterInstallLIF(newPackage); 14870 14871 } else { 14872 // Remove package from internal structures, but keep around any 14873 // data that might have already existed 14874 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14875 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14876 } 14877 } catch (PackageManagerException e) { 14878 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14879 } 14880 14881 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14882 } 14883 14884 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14885 // Can't rotate keys during boot or if sharedUser. 14886 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14887 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14888 return false; 14889 } 14890 // app is using upgradeKeySets; make sure all are valid 14891 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14892 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14893 for (int i = 0; i < upgradeKeySets.length; i++) { 14894 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14895 Slog.wtf(TAG, "Package " 14896 + (oldPs.name != null ? oldPs.name : "<null>") 14897 + " contains upgrade-key-set reference to unknown key-set: " 14898 + upgradeKeySets[i] 14899 + " reverting to signatures check."); 14900 return false; 14901 } 14902 } 14903 return true; 14904 } 14905 14906 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14907 // Upgrade keysets are being used. Determine if new package has a superset of the 14908 // required keys. 14909 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14910 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14911 for (int i = 0; i < upgradeKeySets.length; i++) { 14912 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14913 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14914 return true; 14915 } 14916 } 14917 return false; 14918 } 14919 14920 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14921 try (DigestInputStream digestStream = 14922 new DigestInputStream(new FileInputStream(file), digest)) { 14923 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14924 } 14925 } 14926 14927 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14928 UserHandle user, String installerPackageName, PackageInstalledInfo res, 14929 int installReason) { 14930 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14931 14932 final PackageParser.Package oldPackage; 14933 final String pkgName = pkg.packageName; 14934 final int[] allUsers; 14935 final int[] installedUsers; 14936 14937 synchronized(mPackages) { 14938 oldPackage = mPackages.get(pkgName); 14939 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14940 14941 // don't allow upgrade to target a release SDK from a pre-release SDK 14942 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14943 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14944 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14945 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14946 if (oldTargetsPreRelease 14947 && !newTargetsPreRelease 14948 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14949 Slog.w(TAG, "Can't install package targeting released sdk"); 14950 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14951 return; 14952 } 14953 14954 // don't allow an upgrade from full to ephemeral 14955 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14956 if (isEphemeral && !oldIsEphemeral) { 14957 // can't downgrade from full to ephemeral 14958 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14959 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14960 return; 14961 } 14962 14963 // verify signatures are valid 14964 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14965 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14966 if (!checkUpgradeKeySetLP(ps, pkg)) { 14967 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14968 "New package not signed by keys specified by upgrade-keysets: " 14969 + pkgName); 14970 return; 14971 } 14972 } else { 14973 // default to original signature matching 14974 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14975 != PackageManager.SIGNATURE_MATCH) { 14976 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14977 "New package has a different signature: " + pkgName); 14978 return; 14979 } 14980 } 14981 14982 // don't allow a system upgrade unless the upgrade hash matches 14983 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14984 byte[] digestBytes = null; 14985 try { 14986 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14987 updateDigest(digest, new File(pkg.baseCodePath)); 14988 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14989 for (String path : pkg.splitCodePaths) { 14990 updateDigest(digest, new File(path)); 14991 } 14992 } 14993 digestBytes = digest.digest(); 14994 } catch (NoSuchAlgorithmException | IOException e) { 14995 res.setError(INSTALL_FAILED_INVALID_APK, 14996 "Could not compute hash: " + pkgName); 14997 return; 14998 } 14999 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15000 res.setError(INSTALL_FAILED_INVALID_APK, 15001 "New package fails restrict-update check: " + pkgName); 15002 return; 15003 } 15004 // retain upgrade restriction 15005 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15006 } 15007 15008 // Check for shared user id changes 15009 String invalidPackageName = 15010 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15011 if (invalidPackageName != null) { 15012 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15013 "Package " + invalidPackageName + " tried to change user " 15014 + oldPackage.mSharedUserId); 15015 return; 15016 } 15017 15018 // In case of rollback, remember per-user/profile install state 15019 allUsers = sUserManager.getUserIds(); 15020 installedUsers = ps.queryInstalledUsers(allUsers, true); 15021 } 15022 15023 // Update what is removed 15024 res.removedInfo = new PackageRemovedInfo(); 15025 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15026 res.removedInfo.removedPackage = oldPackage.packageName; 15027 res.removedInfo.isUpdate = true; 15028 res.removedInfo.origUsers = installedUsers; 15029 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15030 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15031 for (int i = 0; i < installedUsers.length; i++) { 15032 final int userId = installedUsers[i]; 15033 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15034 } 15035 15036 final int childCount = (oldPackage.childPackages != null) 15037 ? oldPackage.childPackages.size() : 0; 15038 for (int i = 0; i < childCount; i++) { 15039 boolean childPackageUpdated = false; 15040 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15041 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15042 if (res.addedChildPackages != null) { 15043 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15044 if (childRes != null) { 15045 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15046 childRes.removedInfo.removedPackage = childPkg.packageName; 15047 childRes.removedInfo.isUpdate = true; 15048 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15049 childPackageUpdated = true; 15050 } 15051 } 15052 if (!childPackageUpdated) { 15053 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15054 childRemovedRes.removedPackage = childPkg.packageName; 15055 childRemovedRes.isUpdate = false; 15056 childRemovedRes.dataRemoved = true; 15057 synchronized (mPackages) { 15058 if (childPs != null) { 15059 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15060 } 15061 } 15062 if (res.removedInfo.removedChildPackages == null) { 15063 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15064 } 15065 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15066 } 15067 } 15068 15069 boolean sysPkg = (isSystemApp(oldPackage)); 15070 if (sysPkg) { 15071 // Set the system/privileged flags as needed 15072 final boolean privileged = 15073 (oldPackage.applicationInfo.privateFlags 15074 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15075 final int systemPolicyFlags = policyFlags 15076 | PackageParser.PARSE_IS_SYSTEM 15077 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15078 15079 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15080 user, allUsers, installerPackageName, res, installReason); 15081 } else { 15082 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15083 user, allUsers, installerPackageName, res, installReason); 15084 } 15085 } 15086 15087 public List<String> getPreviousCodePaths(String packageName) { 15088 final PackageSetting ps = mSettings.mPackages.get(packageName); 15089 final List<String> result = new ArrayList<String>(); 15090 if (ps != null && ps.oldCodePaths != null) { 15091 result.addAll(ps.oldCodePaths); 15092 } 15093 return result; 15094 } 15095 15096 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15097 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15098 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15099 int installReason) { 15100 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15101 + deletedPackage); 15102 15103 String pkgName = deletedPackage.packageName; 15104 boolean deletedPkg = true; 15105 boolean addedPkg = false; 15106 boolean updatedSettings = false; 15107 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15108 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15109 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15110 15111 final long origUpdateTime = (pkg.mExtras != null) 15112 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15113 15114 // First delete the existing package while retaining the data directory 15115 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15116 res.removedInfo, true, pkg)) { 15117 // If the existing package wasn't successfully deleted 15118 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15119 deletedPkg = false; 15120 } else { 15121 // Successfully deleted the old package; proceed with replace. 15122 15123 // If deleted package lived in a container, give users a chance to 15124 // relinquish resources before killing. 15125 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15126 if (DEBUG_INSTALL) { 15127 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15128 } 15129 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15130 final ArrayList<String> pkgList = new ArrayList<String>(1); 15131 pkgList.add(deletedPackage.applicationInfo.packageName); 15132 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15133 } 15134 15135 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15136 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15137 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15138 15139 try { 15140 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15141 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15142 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15143 installReason); 15144 15145 // Update the in-memory copy of the previous code paths. 15146 PackageSetting ps = mSettings.mPackages.get(pkgName); 15147 if (!killApp) { 15148 if (ps.oldCodePaths == null) { 15149 ps.oldCodePaths = new ArraySet<>(); 15150 } 15151 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15152 if (deletedPackage.splitCodePaths != null) { 15153 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15154 } 15155 } else { 15156 ps.oldCodePaths = null; 15157 } 15158 if (ps.childPackageNames != null) { 15159 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 15160 final String childPkgName = ps.childPackageNames.get(i); 15161 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 15162 childPs.oldCodePaths = ps.oldCodePaths; 15163 } 15164 } 15165 prepareAppDataAfterInstallLIF(newPackage); 15166 addedPkg = true; 15167 } catch (PackageManagerException e) { 15168 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15169 } 15170 } 15171 15172 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15173 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 15174 15175 // Revert all internal state mutations and added folders for the failed install 15176 if (addedPkg) { 15177 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15178 res.removedInfo, true, null); 15179 } 15180 15181 // Restore the old package 15182 if (deletedPkg) { 15183 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 15184 File restoreFile = new File(deletedPackage.codePath); 15185 // Parse old package 15186 boolean oldExternal = isExternal(deletedPackage); 15187 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 15188 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 15189 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 15190 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 15191 try { 15192 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 15193 null); 15194 } catch (PackageManagerException e) { 15195 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 15196 + e.getMessage()); 15197 return; 15198 } 15199 15200 synchronized (mPackages) { 15201 // Ensure the installer package name up to date 15202 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15203 15204 // Update permissions for restored package 15205 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 15206 15207 mSettings.writeLPr(); 15208 } 15209 15210 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 15211 } 15212 } else { 15213 synchronized (mPackages) { 15214 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 15215 if (ps != null) { 15216 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15217 if (res.removedInfo.removedChildPackages != null) { 15218 final int childCount = res.removedInfo.removedChildPackages.size(); 15219 // Iterate in reverse as we may modify the collection 15220 for (int i = childCount - 1; i >= 0; i--) { 15221 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 15222 if (res.addedChildPackages.containsKey(childPackageName)) { 15223 res.removedInfo.removedChildPackages.removeAt(i); 15224 } else { 15225 PackageRemovedInfo childInfo = res.removedInfo 15226 .removedChildPackages.valueAt(i); 15227 childInfo.removedForAllUsers = mPackages.get( 15228 childInfo.removedPackage) == null; 15229 } 15230 } 15231 } 15232 } 15233 } 15234 } 15235 } 15236 15237 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 15238 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15239 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15240 int installReason) { 15241 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 15242 + ", old=" + deletedPackage); 15243 15244 final boolean disabledSystem; 15245 15246 // Remove existing system package 15247 removePackageLI(deletedPackage, true); 15248 15249 synchronized (mPackages) { 15250 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 15251 } 15252 if (!disabledSystem) { 15253 // We didn't need to disable the .apk as a current system package, 15254 // which means we are replacing another update that is already 15255 // installed. We need to make sure to delete the older one's .apk. 15256 res.removedInfo.args = createInstallArgsForExisting(0, 15257 deletedPackage.applicationInfo.getCodePath(), 15258 deletedPackage.applicationInfo.getResourcePath(), 15259 getAppDexInstructionSets(deletedPackage.applicationInfo)); 15260 } else { 15261 res.removedInfo.args = null; 15262 } 15263 15264 // Successfully disabled the old package. Now proceed with re-installation 15265 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15266 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15267 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15268 15269 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15270 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 15271 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 15272 15273 PackageParser.Package newPackage = null; 15274 try { 15275 // Add the package to the internal data structures 15276 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 15277 15278 // Set the update and install times 15279 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 15280 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 15281 System.currentTimeMillis()); 15282 15283 // Update the package dynamic state if succeeded 15284 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15285 // Now that the install succeeded make sure we remove data 15286 // directories for any child package the update removed. 15287 final int deletedChildCount = (deletedPackage.childPackages != null) 15288 ? deletedPackage.childPackages.size() : 0; 15289 final int newChildCount = (newPackage.childPackages != null) 15290 ? newPackage.childPackages.size() : 0; 15291 for (int i = 0; i < deletedChildCount; i++) { 15292 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 15293 boolean childPackageDeleted = true; 15294 for (int j = 0; j < newChildCount; j++) { 15295 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 15296 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 15297 childPackageDeleted = false; 15298 break; 15299 } 15300 } 15301 if (childPackageDeleted) { 15302 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 15303 deletedChildPkg.packageName); 15304 if (ps != null && res.removedInfo.removedChildPackages != null) { 15305 PackageRemovedInfo removedChildRes = res.removedInfo 15306 .removedChildPackages.get(deletedChildPkg.packageName); 15307 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 15308 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 15309 } 15310 } 15311 } 15312 15313 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15314 installReason); 15315 prepareAppDataAfterInstallLIF(newPackage); 15316 } 15317 } catch (PackageManagerException e) { 15318 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 15319 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15320 } 15321 15322 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15323 // Re installation failed. Restore old information 15324 // Remove new pkg information 15325 if (newPackage != null) { 15326 removeInstalledPackageLI(newPackage, true); 15327 } 15328 // Add back the old system package 15329 try { 15330 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 15331 } catch (PackageManagerException e) { 15332 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 15333 } 15334 15335 synchronized (mPackages) { 15336 if (disabledSystem) { 15337 enableSystemPackageLPw(deletedPackage); 15338 } 15339 15340 // Ensure the installer package name up to date 15341 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15342 15343 // Update permissions for restored package 15344 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 15345 15346 mSettings.writeLPr(); 15347 } 15348 15349 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 15350 + " after failed upgrade"); 15351 } 15352 } 15353 15354 /** 15355 * Checks whether the parent or any of the child packages have a change shared 15356 * user. For a package to be a valid update the shred users of the parent and 15357 * the children should match. We may later support changing child shared users. 15358 * @param oldPkg The updated package. 15359 * @param newPkg The update package. 15360 * @return The shared user that change between the versions. 15361 */ 15362 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 15363 PackageParser.Package newPkg) { 15364 // Check parent shared user 15365 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 15366 return newPkg.packageName; 15367 } 15368 // Check child shared users 15369 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15370 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 15371 for (int i = 0; i < newChildCount; i++) { 15372 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 15373 // If this child was present, did it have the same shared user? 15374 for (int j = 0; j < oldChildCount; j++) { 15375 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 15376 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 15377 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 15378 return newChildPkg.packageName; 15379 } 15380 } 15381 } 15382 return null; 15383 } 15384 15385 private void removeNativeBinariesLI(PackageSetting ps) { 15386 // Remove the lib path for the parent package 15387 if (ps != null) { 15388 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 15389 // Remove the lib path for the child packages 15390 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15391 for (int i = 0; i < childCount; i++) { 15392 PackageSetting childPs = null; 15393 synchronized (mPackages) { 15394 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 15395 } 15396 if (childPs != null) { 15397 NativeLibraryHelper.removeNativeBinariesLI(childPs 15398 .legacyNativeLibraryPathString); 15399 } 15400 } 15401 } 15402 } 15403 15404 private void enableSystemPackageLPw(PackageParser.Package pkg) { 15405 // Enable the parent package 15406 mSettings.enableSystemPackageLPw(pkg.packageName); 15407 // Enable the child packages 15408 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15409 for (int i = 0; i < childCount; i++) { 15410 PackageParser.Package childPkg = pkg.childPackages.get(i); 15411 mSettings.enableSystemPackageLPw(childPkg.packageName); 15412 } 15413 } 15414 15415 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 15416 PackageParser.Package newPkg) { 15417 // Disable the parent package (parent always replaced) 15418 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 15419 // Disable the child packages 15420 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15421 for (int i = 0; i < childCount; i++) { 15422 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 15423 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 15424 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 15425 } 15426 return disabled; 15427 } 15428 15429 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 15430 String installerPackageName) { 15431 // Enable the parent package 15432 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 15433 // Enable the child packages 15434 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15435 for (int i = 0; i < childCount; i++) { 15436 PackageParser.Package childPkg = pkg.childPackages.get(i); 15437 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 15438 } 15439 } 15440 15441 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 15442 // Collect all used permissions in the UID 15443 ArraySet<String> usedPermissions = new ArraySet<>(); 15444 final int packageCount = su.packages.size(); 15445 for (int i = 0; i < packageCount; i++) { 15446 PackageSetting ps = su.packages.valueAt(i); 15447 if (ps.pkg == null) { 15448 continue; 15449 } 15450 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 15451 for (int j = 0; j < requestedPermCount; j++) { 15452 String permission = ps.pkg.requestedPermissions.get(j); 15453 BasePermission bp = mSettings.mPermissions.get(permission); 15454 if (bp != null) { 15455 usedPermissions.add(permission); 15456 } 15457 } 15458 } 15459 15460 PermissionsState permissionsState = su.getPermissionsState(); 15461 // Prune install permissions 15462 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 15463 final int installPermCount = installPermStates.size(); 15464 for (int i = installPermCount - 1; i >= 0; i--) { 15465 PermissionState permissionState = installPermStates.get(i); 15466 if (!usedPermissions.contains(permissionState.getName())) { 15467 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 15468 if (bp != null) { 15469 permissionsState.revokeInstallPermission(bp); 15470 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 15471 PackageManager.MASK_PERMISSION_FLAGS, 0); 15472 } 15473 } 15474 } 15475 15476 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 15477 15478 // Prune runtime permissions 15479 for (int userId : allUserIds) { 15480 List<PermissionState> runtimePermStates = permissionsState 15481 .getRuntimePermissionStates(userId); 15482 final int runtimePermCount = runtimePermStates.size(); 15483 for (int i = runtimePermCount - 1; i >= 0; i--) { 15484 PermissionState permissionState = runtimePermStates.get(i); 15485 if (!usedPermissions.contains(permissionState.getName())) { 15486 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 15487 if (bp != null) { 15488 permissionsState.revokeRuntimePermission(bp, userId); 15489 permissionsState.updatePermissionFlags(bp, userId, 15490 PackageManager.MASK_PERMISSION_FLAGS, 0); 15491 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 15492 runtimePermissionChangedUserIds, userId); 15493 } 15494 } 15495 } 15496 } 15497 15498 return runtimePermissionChangedUserIds; 15499 } 15500 15501 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 15502 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 15503 // Update the parent package setting 15504 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 15505 res, user, installReason); 15506 // Update the child packages setting 15507 final int childCount = (newPackage.childPackages != null) 15508 ? newPackage.childPackages.size() : 0; 15509 for (int i = 0; i < childCount; i++) { 15510 PackageParser.Package childPackage = newPackage.childPackages.get(i); 15511 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 15512 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 15513 childRes.origUsers, childRes, user, installReason); 15514 } 15515 } 15516 15517 private void updateSettingsInternalLI(PackageParser.Package newPackage, 15518 String installerPackageName, int[] allUsers, int[] installedForUsers, 15519 PackageInstalledInfo res, UserHandle user, int installReason) { 15520 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 15521 15522 String pkgName = newPackage.packageName; 15523 synchronized (mPackages) { 15524 //write settings. the installStatus will be incomplete at this stage. 15525 //note that the new package setting would have already been 15526 //added to mPackages. It hasn't been persisted yet. 15527 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 15528 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15529 mSettings.writeLPr(); 15530 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15531 } 15532 15533 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 15534 synchronized (mPackages) { 15535 updatePermissionsLPw(newPackage.packageName, newPackage, 15536 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 15537 ? UPDATE_PERMISSIONS_ALL : 0)); 15538 // For system-bundled packages, we assume that installing an upgraded version 15539 // of the package implies that the user actually wants to run that new code, 15540 // so we enable the package. 15541 PackageSetting ps = mSettings.mPackages.get(pkgName); 15542 final int userId = user.getIdentifier(); 15543 if (ps != null) { 15544 if (isSystemApp(newPackage)) { 15545 if (DEBUG_INSTALL) { 15546 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 15547 } 15548 // Enable system package for requested users 15549 if (res.origUsers != null) { 15550 for (int origUserId : res.origUsers) { 15551 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15552 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15553 origUserId, installerPackageName); 15554 } 15555 } 15556 } 15557 // Also convey the prior install/uninstall state 15558 if (allUsers != null && installedForUsers != null) { 15559 for (int currentUserId : allUsers) { 15560 final boolean installed = ArrayUtils.contains( 15561 installedForUsers, currentUserId); 15562 if (DEBUG_INSTALL) { 15563 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15564 } 15565 ps.setInstalled(installed, currentUserId); 15566 } 15567 // these install state changes will be persisted in the 15568 // upcoming call to mSettings.writeLPr(). 15569 } 15570 } 15571 // It's implied that when a user requests installation, they want the app to be 15572 // installed and enabled. 15573 if (userId != UserHandle.USER_ALL) { 15574 ps.setInstalled(true, userId); 15575 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15576 } 15577 15578 // When replacing an existing package, preserve the original install reason for all 15579 // users that had the package installed before. 15580 final Set<Integer> previousUserIds = new ArraySet<>(); 15581 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 15582 final int installReasonCount = res.removedInfo.installReasons.size(); 15583 for (int i = 0; i < installReasonCount; i++) { 15584 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 15585 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 15586 ps.setInstallReason(previousInstallReason, previousUserId); 15587 previousUserIds.add(previousUserId); 15588 } 15589 } 15590 15591 // Set install reason for users that are having the package newly installed. 15592 if (userId == UserHandle.USER_ALL) { 15593 for (int currentUserId : sUserManager.getUserIds()) { 15594 if (!previousUserIds.contains(currentUserId)) { 15595 ps.setInstallReason(installReason, currentUserId); 15596 } 15597 } 15598 } else if (!previousUserIds.contains(userId)) { 15599 ps.setInstallReason(installReason, userId); 15600 } 15601 } 15602 res.name = pkgName; 15603 res.uid = newPackage.applicationInfo.uid; 15604 res.pkg = newPackage; 15605 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15606 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15607 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15608 //to update install status 15609 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15610 mSettings.writeLPr(); 15611 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15612 } 15613 15614 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15615 } 15616 15617 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15618 try { 15619 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15620 installPackageLI(args, res); 15621 } finally { 15622 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15623 } 15624 } 15625 15626 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15627 final int installFlags = args.installFlags; 15628 final String installerPackageName = args.installerPackageName; 15629 final String volumeUuid = args.volumeUuid; 15630 final File tmpPackageFile = new File(args.getCodePath()); 15631 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15632 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15633 || (args.volumeUuid != null)); 15634 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15635 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15636 boolean replace = false; 15637 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15638 if (args.move != null) { 15639 // moving a complete application; perform an initial scan on the new install location 15640 scanFlags |= SCAN_INITIAL; 15641 } 15642 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15643 scanFlags |= SCAN_DONT_KILL_APP; 15644 } 15645 15646 // Result object to be returned 15647 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15648 15649 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15650 15651 // Sanity check 15652 if (ephemeral && (forwardLocked || onExternal)) { 15653 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15654 + " external=" + onExternal); 15655 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15656 return; 15657 } 15658 15659 // Retrieve PackageSettings and parse package 15660 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15661 | PackageParser.PARSE_ENFORCE_CODE 15662 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15663 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15664 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15665 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15666 PackageParser pp = new PackageParser(); 15667 pp.setSeparateProcesses(mSeparateProcesses); 15668 pp.setDisplayMetrics(mMetrics); 15669 15670 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15671 final PackageParser.Package pkg; 15672 try { 15673 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15674 } catch (PackageParserException e) { 15675 res.setError("Failed parse during installPackageLI", e); 15676 return; 15677 } finally { 15678 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15679 } 15680 15681 // Ephemeral apps must have target SDK >= O. 15682 // TODO: Update conditional and error message when O gets locked down 15683 if (ephemeral && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 15684 res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 15685 "Ephemeral apps must have target SDK version of at least O"); 15686 return; 15687 } 15688 15689 // If we are installing a clustered package add results for the children 15690 if (pkg.childPackages != null) { 15691 synchronized (mPackages) { 15692 final int childCount = pkg.childPackages.size(); 15693 for (int i = 0; i < childCount; i++) { 15694 PackageParser.Package childPkg = pkg.childPackages.get(i); 15695 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15696 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15697 childRes.pkg = childPkg; 15698 childRes.name = childPkg.packageName; 15699 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15700 if (childPs != null) { 15701 childRes.origUsers = childPs.queryInstalledUsers( 15702 sUserManager.getUserIds(), true); 15703 } 15704 if ((mPackages.containsKey(childPkg.packageName))) { 15705 childRes.removedInfo = new PackageRemovedInfo(); 15706 childRes.removedInfo.removedPackage = childPkg.packageName; 15707 } 15708 if (res.addedChildPackages == null) { 15709 res.addedChildPackages = new ArrayMap<>(); 15710 } 15711 res.addedChildPackages.put(childPkg.packageName, childRes); 15712 } 15713 } 15714 } 15715 15716 // If package doesn't declare API override, mark that we have an install 15717 // time CPU ABI override. 15718 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15719 pkg.cpuAbiOverride = args.abiOverride; 15720 } 15721 15722 String pkgName = res.name = pkg.packageName; 15723 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15724 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15725 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15726 return; 15727 } 15728 } 15729 15730 try { 15731 // either use what we've been given or parse directly from the APK 15732 if (args.certificates != null) { 15733 try { 15734 PackageParser.populateCertificates(pkg, args.certificates); 15735 } catch (PackageParserException e) { 15736 // there was something wrong with the certificates we were given; 15737 // try to pull them from the APK 15738 PackageParser.collectCertificates(pkg, parseFlags); 15739 } 15740 } else { 15741 PackageParser.collectCertificates(pkg, parseFlags); 15742 } 15743 } catch (PackageParserException e) { 15744 res.setError("Failed collect during installPackageLI", e); 15745 return; 15746 } 15747 15748 // Get rid of all references to package scan path via parser. 15749 pp = null; 15750 String oldCodePath = null; 15751 boolean systemApp = false; 15752 synchronized (mPackages) { 15753 // Check if installing already existing package 15754 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15755 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15756 if (pkg.mOriginalPackages != null 15757 && pkg.mOriginalPackages.contains(oldName) 15758 && mPackages.containsKey(oldName)) { 15759 // This package is derived from an original package, 15760 // and this device has been updating from that original 15761 // name. We must continue using the original name, so 15762 // rename the new package here. 15763 pkg.setPackageName(oldName); 15764 pkgName = pkg.packageName; 15765 replace = true; 15766 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15767 + oldName + " pkgName=" + pkgName); 15768 } else if (mPackages.containsKey(pkgName)) { 15769 // This package, under its official name, already exists 15770 // on the device; we should replace it. 15771 replace = true; 15772 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15773 } 15774 15775 // Child packages are installed through the parent package 15776 if (pkg.parentPackage != null) { 15777 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15778 "Package " + pkg.packageName + " is child of package " 15779 + pkg.parentPackage.parentPackage + ". Child packages " 15780 + "can be updated only through the parent package."); 15781 return; 15782 } 15783 15784 if (replace) { 15785 // Prevent apps opting out from runtime permissions 15786 PackageParser.Package oldPackage = mPackages.get(pkgName); 15787 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15788 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15789 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15790 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15791 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15792 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15793 + " doesn't support runtime permissions but the old" 15794 + " target SDK " + oldTargetSdk + " does."); 15795 return; 15796 } 15797 15798 // Prevent installing of child packages 15799 if (oldPackage.parentPackage != null) { 15800 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15801 "Package " + pkg.packageName + " is child of package " 15802 + oldPackage.parentPackage + ". Child packages " 15803 + "can be updated only through the parent package."); 15804 return; 15805 } 15806 } 15807 } 15808 15809 PackageSetting ps = mSettings.mPackages.get(pkgName); 15810 if (ps != null) { 15811 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15812 15813 // Quick sanity check that we're signed correctly if updating; 15814 // we'll check this again later when scanning, but we want to 15815 // bail early here before tripping over redefined permissions. 15816 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15817 if (!checkUpgradeKeySetLP(ps, pkg)) { 15818 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15819 + pkg.packageName + " upgrade keys do not match the " 15820 + "previously installed version"); 15821 return; 15822 } 15823 } else { 15824 try { 15825 verifySignaturesLP(ps, pkg); 15826 } catch (PackageManagerException e) { 15827 res.setError(e.error, e.getMessage()); 15828 return; 15829 } 15830 } 15831 15832 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15833 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15834 systemApp = (ps.pkg.applicationInfo.flags & 15835 ApplicationInfo.FLAG_SYSTEM) != 0; 15836 } 15837 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15838 } 15839 15840 // Check whether the newly-scanned package wants to define an already-defined perm 15841 int N = pkg.permissions.size(); 15842 for (int i = N-1; i >= 0; i--) { 15843 PackageParser.Permission perm = pkg.permissions.get(i); 15844 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15845 if (bp != null) { 15846 // If the defining package is signed with our cert, it's okay. This 15847 // also includes the "updating the same package" case, of course. 15848 // "updating same package" could also involve key-rotation. 15849 final boolean sigsOk; 15850 if (bp.sourcePackage.equals(pkg.packageName) 15851 && (bp.packageSetting instanceof PackageSetting) 15852 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15853 scanFlags))) { 15854 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15855 } else { 15856 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15857 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15858 } 15859 if (!sigsOk) { 15860 // If the owning package is the system itself, we log but allow 15861 // install to proceed; we fail the install on all other permission 15862 // redefinitions. 15863 if (!bp.sourcePackage.equals("android")) { 15864 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15865 + pkg.packageName + " attempting to redeclare permission " 15866 + perm.info.name + " already owned by " + bp.sourcePackage); 15867 res.origPermission = perm.info.name; 15868 res.origPackage = bp.sourcePackage; 15869 return; 15870 } else { 15871 Slog.w(TAG, "Package " + pkg.packageName 15872 + " attempting to redeclare system permission " 15873 + perm.info.name + "; ignoring new declaration"); 15874 pkg.permissions.remove(i); 15875 } 15876 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 15877 // Prevent apps to change protection level to dangerous from any other 15878 // type as this would allow a privilege escalation where an app adds a 15879 // normal/signature permission in other app's group and later redefines 15880 // it as dangerous leading to the group auto-grant. 15881 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 15882 == PermissionInfo.PROTECTION_DANGEROUS) { 15883 if (bp != null && !bp.isRuntime()) { 15884 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 15885 + "non-runtime permission " + perm.info.name 15886 + " to runtime; keeping old protection level"); 15887 perm.info.protectionLevel = bp.protectionLevel; 15888 } 15889 } 15890 } 15891 } 15892 } 15893 } 15894 15895 if (systemApp) { 15896 if (onExternal) { 15897 // Abort update; system app can't be replaced with app on sdcard 15898 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15899 "Cannot install updates to system apps on sdcard"); 15900 return; 15901 } else if (ephemeral) { 15902 // Abort update; system app can't be replaced with an ephemeral app 15903 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15904 "Cannot update a system app with an ephemeral app"); 15905 return; 15906 } 15907 } 15908 15909 if (args.move != null) { 15910 // We did an in-place move, so dex is ready to roll 15911 scanFlags |= SCAN_NO_DEX; 15912 scanFlags |= SCAN_MOVE; 15913 15914 synchronized (mPackages) { 15915 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15916 if (ps == null) { 15917 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15918 "Missing settings for moved package " + pkgName); 15919 } 15920 15921 // We moved the entire application as-is, so bring over the 15922 // previously derived ABI information. 15923 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15924 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15925 } 15926 15927 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15928 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15929 scanFlags |= SCAN_NO_DEX; 15930 15931 try { 15932 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15933 args.abiOverride : pkg.cpuAbiOverride); 15934 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15935 true /*extractLibs*/, mAppLib32InstallDir); 15936 } catch (PackageManagerException pme) { 15937 Slog.e(TAG, "Error deriving application ABI", pme); 15938 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15939 return; 15940 } 15941 15942 // Shared libraries for the package need to be updated. 15943 synchronized (mPackages) { 15944 try { 15945 updateSharedLibrariesLPr(pkg, null); 15946 } catch (PackageManagerException e) { 15947 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15948 } 15949 } 15950 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15951 // Do not run PackageDexOptimizer through the local performDexOpt 15952 // method because `pkg` may not be in `mPackages` yet. 15953 // 15954 // Also, don't fail application installs if the dexopt step fails. 15955 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15956 null /* instructionSets */, false /* checkProfiles */, 15957 getCompilerFilterForReason(REASON_INSTALL), 15958 getOrCreateCompilerPackageStats(pkg)); 15959 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15960 15961 // Notify BackgroundDexOptService that the package has been changed. 15962 // If this is an update of a package which used to fail to compile, 15963 // BDOS will remove it from its blacklist. 15964 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15965 } 15966 15967 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15968 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15969 return; 15970 } 15971 15972 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15973 15974 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15975 "installPackageLI")) { 15976 if (replace) { 15977 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15978 installerPackageName, res, args.installReason); 15979 } else { 15980 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15981 args.user, installerPackageName, volumeUuid, res, args.installReason); 15982 } 15983 } 15984 synchronized (mPackages) { 15985 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15986 if (ps != null) { 15987 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15988 } 15989 15990 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15991 for (int i = 0; i < childCount; i++) { 15992 PackageParser.Package childPkg = pkg.childPackages.get(i); 15993 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15994 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15995 if (childPs != null) { 15996 childRes.newUsers = childPs.queryInstalledUsers( 15997 sUserManager.getUserIds(), true); 15998 } 15999 } 16000 } 16001 } 16002 16003 private void startIntentFilterVerifications(int userId, boolean replacing, 16004 PackageParser.Package pkg) { 16005 if (mIntentFilterVerifierComponent == null) { 16006 Slog.w(TAG, "No IntentFilter verification will not be done as " 16007 + "there is no IntentFilterVerifier available!"); 16008 return; 16009 } 16010 16011 final int verifierUid = getPackageUid( 16012 mIntentFilterVerifierComponent.getPackageName(), 16013 MATCH_DEBUG_TRIAGED_MISSING, 16014 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16015 16016 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16017 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16018 mHandler.sendMessage(msg); 16019 16020 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16021 for (int i = 0; i < childCount; i++) { 16022 PackageParser.Package childPkg = pkg.childPackages.get(i); 16023 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16024 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16025 mHandler.sendMessage(msg); 16026 } 16027 } 16028 16029 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16030 PackageParser.Package pkg) { 16031 int size = pkg.activities.size(); 16032 if (size == 0) { 16033 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16034 "No activity, so no need to verify any IntentFilter!"); 16035 return; 16036 } 16037 16038 final boolean hasDomainURLs = hasDomainURLs(pkg); 16039 if (!hasDomainURLs) { 16040 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16041 "No domain URLs, so no need to verify any IntentFilter!"); 16042 return; 16043 } 16044 16045 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16046 + " if any IntentFilter from the " + size 16047 + " Activities needs verification ..."); 16048 16049 int count = 0; 16050 final String packageName = pkg.packageName; 16051 16052 synchronized (mPackages) { 16053 // If this is a new install and we see that we've already run verification for this 16054 // package, we have nothing to do: it means the state was restored from backup. 16055 if (!replacing) { 16056 IntentFilterVerificationInfo ivi = 16057 mSettings.getIntentFilterVerificationLPr(packageName); 16058 if (ivi != null) { 16059 if (DEBUG_DOMAIN_VERIFICATION) { 16060 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16061 + ivi.getStatusString()); 16062 } 16063 return; 16064 } 16065 } 16066 16067 // If any filters need to be verified, then all need to be. 16068 boolean needToVerify = false; 16069 for (PackageParser.Activity a : pkg.activities) { 16070 for (ActivityIntentInfo filter : a.intents) { 16071 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16072 if (DEBUG_DOMAIN_VERIFICATION) { 16073 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16074 } 16075 needToVerify = true; 16076 break; 16077 } 16078 } 16079 } 16080 16081 if (needToVerify) { 16082 final int verificationId = mIntentFilterVerificationToken++; 16083 for (PackageParser.Activity a : pkg.activities) { 16084 for (ActivityIntentInfo filter : a.intents) { 16085 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16086 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16087 "Verification needed for IntentFilter:" + filter.toString()); 16088 mIntentFilterVerifier.addOneIntentFilterVerification( 16089 verifierUid, userId, verificationId, filter, packageName); 16090 count++; 16091 } 16092 } 16093 } 16094 } 16095 } 16096 16097 if (count > 0) { 16098 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 16099 + " IntentFilter verification" + (count > 1 ? "s" : "") 16100 + " for userId:" + userId); 16101 mIntentFilterVerifier.startVerifications(userId); 16102 } else { 16103 if (DEBUG_DOMAIN_VERIFICATION) { 16104 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 16105 } 16106 } 16107 } 16108 16109 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 16110 final ComponentName cn = filter.activity.getComponentName(); 16111 final String packageName = cn.getPackageName(); 16112 16113 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 16114 packageName); 16115 if (ivi == null) { 16116 return true; 16117 } 16118 int status = ivi.getStatus(); 16119 switch (status) { 16120 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 16121 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 16122 return true; 16123 16124 default: 16125 // Nothing to do 16126 return false; 16127 } 16128 } 16129 16130 private static boolean isMultiArch(ApplicationInfo info) { 16131 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 16132 } 16133 16134 private static boolean isExternal(PackageParser.Package pkg) { 16135 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16136 } 16137 16138 private static boolean isExternal(PackageSetting ps) { 16139 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16140 } 16141 16142 private static boolean isEphemeral(PackageParser.Package pkg) { 16143 return pkg.applicationInfo.isEphemeralApp(); 16144 } 16145 16146 private static boolean isEphemeral(PackageSetting ps) { 16147 return ps.pkg != null && isEphemeral(ps.pkg); 16148 } 16149 16150 private static boolean isSystemApp(PackageParser.Package pkg) { 16151 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 16152 } 16153 16154 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 16155 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16156 } 16157 16158 private static boolean hasDomainURLs(PackageParser.Package pkg) { 16159 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 16160 } 16161 16162 private static boolean isSystemApp(PackageSetting ps) { 16163 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 16164 } 16165 16166 private static boolean isUpdatedSystemApp(PackageSetting ps) { 16167 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 16168 } 16169 16170 private int packageFlagsToInstallFlags(PackageSetting ps) { 16171 int installFlags = 0; 16172 if (isEphemeral(ps)) { 16173 installFlags |= PackageManager.INSTALL_EPHEMERAL; 16174 } 16175 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 16176 // This existing package was an external ASEC install when we have 16177 // the external flag without a UUID 16178 installFlags |= PackageManager.INSTALL_EXTERNAL; 16179 } 16180 if (ps.isForwardLocked()) { 16181 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 16182 } 16183 return installFlags; 16184 } 16185 16186 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 16187 if (isExternal(pkg)) { 16188 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16189 return StorageManager.UUID_PRIMARY_PHYSICAL; 16190 } else { 16191 return pkg.volumeUuid; 16192 } 16193 } else { 16194 return StorageManager.UUID_PRIVATE_INTERNAL; 16195 } 16196 } 16197 16198 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 16199 if (isExternal(pkg)) { 16200 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16201 return mSettings.getExternalVersion(); 16202 } else { 16203 return mSettings.findOrCreateVersion(pkg.volumeUuid); 16204 } 16205 } else { 16206 return mSettings.getInternalVersion(); 16207 } 16208 } 16209 16210 private void deleteTempPackageFiles() { 16211 final FilenameFilter filter = new FilenameFilter() { 16212 public boolean accept(File dir, String name) { 16213 return name.startsWith("vmdl") && name.endsWith(".tmp"); 16214 } 16215 }; 16216 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 16217 file.delete(); 16218 } 16219 } 16220 16221 @Override 16222 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 16223 int flags) { 16224 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 16225 flags); 16226 } 16227 16228 @Override 16229 public void deletePackage(final String packageName, 16230 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 16231 mContext.enforceCallingOrSelfPermission( 16232 android.Manifest.permission.DELETE_PACKAGES, null); 16233 Preconditions.checkNotNull(packageName); 16234 Preconditions.checkNotNull(observer); 16235 final int uid = Binder.getCallingUid(); 16236 if (!isOrphaned(packageName) 16237 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 16238 try { 16239 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 16240 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 16241 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 16242 observer.onUserActionRequired(intent); 16243 } catch (RemoteException re) { 16244 } 16245 return; 16246 } 16247 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 16248 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 16249 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 16250 mContext.enforceCallingOrSelfPermission( 16251 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 16252 "deletePackage for user " + userId); 16253 } 16254 16255 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 16256 try { 16257 observer.onPackageDeleted(packageName, 16258 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 16259 } catch (RemoteException re) { 16260 } 16261 return; 16262 } 16263 16264 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 16265 try { 16266 observer.onPackageDeleted(packageName, 16267 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 16268 } catch (RemoteException re) { 16269 } 16270 return; 16271 } 16272 16273 if (DEBUG_REMOVE) { 16274 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 16275 + " deleteAllUsers: " + deleteAllUsers ); 16276 } 16277 // Queue up an async operation since the package deletion may take a little while. 16278 mHandler.post(new Runnable() { 16279 public void run() { 16280 mHandler.removeCallbacks(this); 16281 int returnCode; 16282 if (!deleteAllUsers) { 16283 returnCode = deletePackageX(packageName, userId, deleteFlags); 16284 } else { 16285 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 16286 // If nobody is blocking uninstall, proceed with delete for all users 16287 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 16288 returnCode = deletePackageX(packageName, userId, deleteFlags); 16289 } else { 16290 // Otherwise uninstall individually for users with blockUninstalls=false 16291 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 16292 for (int userId : users) { 16293 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 16294 returnCode = deletePackageX(packageName, userId, userFlags); 16295 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 16296 Slog.w(TAG, "Package delete failed for user " + userId 16297 + ", returnCode " + returnCode); 16298 } 16299 } 16300 } 16301 // The app has only been marked uninstalled for certain users. 16302 // We still need to report that delete was blocked 16303 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 16304 } 16305 } 16306 try { 16307 observer.onPackageDeleted(packageName, returnCode, null); 16308 } catch (RemoteException e) { 16309 Log.i(TAG, "Observer no longer exists."); 16310 } //end catch 16311 } //end run 16312 }); 16313 } 16314 16315 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 16316 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 16317 || callingUid == Process.SYSTEM_UID) { 16318 return true; 16319 } 16320 final int callingUserId = UserHandle.getUserId(callingUid); 16321 // If the caller installed the pkgName, then allow it to silently uninstall. 16322 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 16323 return true; 16324 } 16325 16326 // Allow package verifier to silently uninstall. 16327 if (mRequiredVerifierPackage != null && 16328 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 16329 return true; 16330 } 16331 16332 // Allow package uninstaller to silently uninstall. 16333 if (mRequiredUninstallerPackage != null && 16334 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 16335 return true; 16336 } 16337 16338 // Allow storage manager to silently uninstall. 16339 if (mStorageManagerPackage != null && 16340 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 16341 return true; 16342 } 16343 return false; 16344 } 16345 16346 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 16347 int[] result = EMPTY_INT_ARRAY; 16348 for (int userId : userIds) { 16349 if (getBlockUninstallForUser(packageName, userId)) { 16350 result = ArrayUtils.appendInt(result, userId); 16351 } 16352 } 16353 return result; 16354 } 16355 16356 @Override 16357 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 16358 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 16359 } 16360 16361 private boolean isPackageDeviceAdmin(String packageName, int userId) { 16362 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 16363 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 16364 try { 16365 if (dpm != null) { 16366 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 16367 /* callingUserOnly =*/ false); 16368 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 16369 : deviceOwnerComponentName.getPackageName(); 16370 // Does the package contains the device owner? 16371 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 16372 // this check is probably not needed, since DO should be registered as a device 16373 // admin on some user too. (Original bug for this: b/17657954) 16374 if (packageName.equals(deviceOwnerPackageName)) { 16375 return true; 16376 } 16377 // Does it contain a device admin for any user? 16378 int[] users; 16379 if (userId == UserHandle.USER_ALL) { 16380 users = sUserManager.getUserIds(); 16381 } else { 16382 users = new int[]{userId}; 16383 } 16384 for (int i = 0; i < users.length; ++i) { 16385 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 16386 return true; 16387 } 16388 } 16389 } 16390 } catch (RemoteException e) { 16391 } 16392 return false; 16393 } 16394 16395 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 16396 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 16397 } 16398 16399 /** 16400 * This method is an internal method that could be get invoked either 16401 * to delete an installed package or to clean up a failed installation. 16402 * After deleting an installed package, a broadcast is sent to notify any 16403 * listeners that the package has been removed. For cleaning up a failed 16404 * installation, the broadcast is not necessary since the package's 16405 * installation wouldn't have sent the initial broadcast either 16406 * The key steps in deleting a package are 16407 * deleting the package information in internal structures like mPackages, 16408 * deleting the packages base directories through installd 16409 * updating mSettings to reflect current status 16410 * persisting settings for later use 16411 * sending a broadcast if necessary 16412 */ 16413 private int deletePackageX(String packageName, int userId, int deleteFlags) { 16414 final PackageRemovedInfo info = new PackageRemovedInfo(); 16415 final boolean res; 16416 16417 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 16418 ? UserHandle.USER_ALL : userId; 16419 16420 if (isPackageDeviceAdmin(packageName, removeUser)) { 16421 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 16422 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 16423 } 16424 16425 PackageSetting uninstalledPs = null; 16426 16427 // for the uninstall-updates case and restricted profiles, remember the per- 16428 // user handle installed state 16429 int[] allUsers; 16430 synchronized (mPackages) { 16431 uninstalledPs = mSettings.mPackages.get(packageName); 16432 if (uninstalledPs == null) { 16433 Slog.w(TAG, "Not removing non-existent package " + packageName); 16434 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16435 } 16436 allUsers = sUserManager.getUserIds(); 16437 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 16438 } 16439 16440 final int freezeUser; 16441 if (isUpdatedSystemApp(uninstalledPs) 16442 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 16443 // We're downgrading a system app, which will apply to all users, so 16444 // freeze them all during the downgrade 16445 freezeUser = UserHandle.USER_ALL; 16446 } else { 16447 freezeUser = removeUser; 16448 } 16449 16450 synchronized (mInstallLock) { 16451 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 16452 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 16453 deleteFlags, "deletePackageX")) { 16454 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 16455 deleteFlags | REMOVE_CHATTY, info, true, null); 16456 } 16457 synchronized (mPackages) { 16458 if (res) { 16459 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 16460 } 16461 } 16462 } 16463 16464 if (res) { 16465 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 16466 info.sendPackageRemovedBroadcasts(killApp); 16467 info.sendSystemPackageUpdatedBroadcasts(); 16468 info.sendSystemPackageAppearedBroadcasts(); 16469 } 16470 // Force a gc here. 16471 Runtime.getRuntime().gc(); 16472 // Delete the resources here after sending the broadcast to let 16473 // other processes clean up before deleting resources. 16474 if (info.args != null) { 16475 synchronized (mInstallLock) { 16476 info.args.doPostDeleteLI(true); 16477 } 16478 } 16479 16480 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16481 } 16482 16483 class PackageRemovedInfo { 16484 String removedPackage; 16485 int uid = -1; 16486 int removedAppId = -1; 16487 int[] origUsers; 16488 int[] removedUsers = null; 16489 SparseArray<Integer> installReasons; 16490 boolean isRemovedPackageSystemUpdate = false; 16491 boolean isUpdate; 16492 boolean dataRemoved; 16493 boolean removedForAllUsers; 16494 // Clean up resources deleted packages. 16495 InstallArgs args = null; 16496 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 16497 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 16498 16499 void sendPackageRemovedBroadcasts(boolean killApp) { 16500 sendPackageRemovedBroadcastInternal(killApp); 16501 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 16502 for (int i = 0; i < childCount; i++) { 16503 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 16504 childInfo.sendPackageRemovedBroadcastInternal(killApp); 16505 } 16506 } 16507 16508 void sendSystemPackageUpdatedBroadcasts() { 16509 if (isRemovedPackageSystemUpdate) { 16510 sendSystemPackageUpdatedBroadcastsInternal(); 16511 final int childCount = (removedChildPackages != null) 16512 ? removedChildPackages.size() : 0; 16513 for (int i = 0; i < childCount; i++) { 16514 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 16515 if (childInfo.isRemovedPackageSystemUpdate) { 16516 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 16517 } 16518 } 16519 } 16520 } 16521 16522 void sendSystemPackageAppearedBroadcasts() { 16523 final int packageCount = (appearedChildPackages != null) 16524 ? appearedChildPackages.size() : 0; 16525 for (int i = 0; i < packageCount; i++) { 16526 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 16527 sendPackageAddedForNewUsers(installedInfo.name, true, 16528 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 16529 } 16530 } 16531 16532 private void sendSystemPackageUpdatedBroadcastsInternal() { 16533 Bundle extras = new Bundle(2); 16534 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16535 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16536 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 16537 extras, 0, null, null, null); 16538 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 16539 extras, 0, null, null, null); 16540 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 16541 null, 0, removedPackage, null, null); 16542 } 16543 16544 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 16545 Bundle extras = new Bundle(2); 16546 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16547 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 16548 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 16549 if (isUpdate || isRemovedPackageSystemUpdate) { 16550 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16551 } 16552 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 16553 if (removedPackage != null) { 16554 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 16555 extras, 0, null, null, removedUsers); 16556 if (dataRemoved && !isRemovedPackageSystemUpdate) { 16557 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 16558 removedPackage, extras, 0, null, null, removedUsers); 16559 } 16560 } 16561 if (removedAppId >= 0) { 16562 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 16563 removedUsers); 16564 } 16565 } 16566 } 16567 16568 /* 16569 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 16570 * flag is not set, the data directory is removed as well. 16571 * make sure this flag is set for partially installed apps. If not its meaningless to 16572 * delete a partially installed application. 16573 */ 16574 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 16575 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 16576 String packageName = ps.name; 16577 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 16578 // Retrieve object to delete permissions for shared user later on 16579 final PackageParser.Package deletedPkg; 16580 final PackageSetting deletedPs; 16581 // reader 16582 synchronized (mPackages) { 16583 deletedPkg = mPackages.get(packageName); 16584 deletedPs = mSettings.mPackages.get(packageName); 16585 if (outInfo != null) { 16586 outInfo.removedPackage = packageName; 16587 outInfo.removedUsers = deletedPs != null 16588 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 16589 : null; 16590 } 16591 } 16592 16593 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 16594 16595 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 16596 final PackageParser.Package resolvedPkg; 16597 if (deletedPkg != null) { 16598 resolvedPkg = deletedPkg; 16599 } else { 16600 // We don't have a parsed package when it lives on an ejected 16601 // adopted storage device, so fake something together 16602 resolvedPkg = new PackageParser.Package(ps.name); 16603 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16604 } 16605 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16606 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16607 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16608 if (outInfo != null) { 16609 outInfo.dataRemoved = true; 16610 } 16611 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16612 } 16613 16614 // writer 16615 synchronized (mPackages) { 16616 if (deletedPs != null) { 16617 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16618 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16619 clearDefaultBrowserIfNeeded(packageName); 16620 if (outInfo != null) { 16621 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16622 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16623 } 16624 updatePermissionsLPw(deletedPs.name, null, 0); 16625 if (deletedPs.sharedUser != null) { 16626 // Remove permissions associated with package. Since runtime 16627 // permissions are per user we have to kill the removed package 16628 // or packages running under the shared user of the removed 16629 // package if revoking the permissions requested only by the removed 16630 // package is successful and this causes a change in gids. 16631 for (int userId : UserManagerService.getInstance().getUserIds()) { 16632 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16633 userId); 16634 if (userIdToKill == UserHandle.USER_ALL 16635 || userIdToKill >= UserHandle.USER_SYSTEM) { 16636 // If gids changed for this user, kill all affected packages. 16637 mHandler.post(new Runnable() { 16638 @Override 16639 public void run() { 16640 // This has to happen with no lock held. 16641 killApplication(deletedPs.name, deletedPs.appId, 16642 KILL_APP_REASON_GIDS_CHANGED); 16643 } 16644 }); 16645 break; 16646 } 16647 } 16648 } 16649 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16650 } 16651 // make sure to preserve per-user disabled state if this removal was just 16652 // a downgrade of a system app to the factory package 16653 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16654 if (DEBUG_REMOVE) { 16655 Slog.d(TAG, "Propagating install state across downgrade"); 16656 } 16657 for (int userId : allUserHandles) { 16658 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16659 if (DEBUG_REMOVE) { 16660 Slog.d(TAG, " user " + userId + " => " + installed); 16661 } 16662 ps.setInstalled(installed, userId); 16663 } 16664 } 16665 } 16666 // can downgrade to reader 16667 if (writeSettings) { 16668 // Save settings now 16669 mSettings.writeLPr(); 16670 } 16671 } 16672 if (outInfo != null) { 16673 // A user ID was deleted here. Go through all users and remove it 16674 // from KeyStore. 16675 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16676 } 16677 } 16678 16679 static boolean locationIsPrivileged(File path) { 16680 try { 16681 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16682 .getCanonicalPath(); 16683 return path.getCanonicalPath().startsWith(privilegedAppDir); 16684 } catch (IOException e) { 16685 Slog.e(TAG, "Unable to access code path " + path); 16686 } 16687 return false; 16688 } 16689 16690 /* 16691 * Tries to delete system package. 16692 */ 16693 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16694 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16695 boolean writeSettings) { 16696 if (deletedPs.parentPackageName != null) { 16697 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16698 return false; 16699 } 16700 16701 final boolean applyUserRestrictions 16702 = (allUserHandles != null) && (outInfo.origUsers != null); 16703 final PackageSetting disabledPs; 16704 // Confirm if the system package has been updated 16705 // An updated system app can be deleted. This will also have to restore 16706 // the system pkg from system partition 16707 // reader 16708 synchronized (mPackages) { 16709 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16710 } 16711 16712 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16713 + " disabledPs=" + disabledPs); 16714 16715 if (disabledPs == null) { 16716 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16717 return false; 16718 } else if (DEBUG_REMOVE) { 16719 Slog.d(TAG, "Deleting system pkg from data partition"); 16720 } 16721 16722 if (DEBUG_REMOVE) { 16723 if (applyUserRestrictions) { 16724 Slog.d(TAG, "Remembering install states:"); 16725 for (int userId : allUserHandles) { 16726 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16727 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16728 } 16729 } 16730 } 16731 16732 // Delete the updated package 16733 outInfo.isRemovedPackageSystemUpdate = true; 16734 if (outInfo.removedChildPackages != null) { 16735 final int childCount = (deletedPs.childPackageNames != null) 16736 ? deletedPs.childPackageNames.size() : 0; 16737 for (int i = 0; i < childCount; i++) { 16738 String childPackageName = deletedPs.childPackageNames.get(i); 16739 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16740 .contains(childPackageName)) { 16741 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16742 childPackageName); 16743 if (childInfo != null) { 16744 childInfo.isRemovedPackageSystemUpdate = true; 16745 } 16746 } 16747 } 16748 } 16749 16750 if (disabledPs.versionCode < deletedPs.versionCode) { 16751 // Delete data for downgrades 16752 flags &= ~PackageManager.DELETE_KEEP_DATA; 16753 } else { 16754 // Preserve data by setting flag 16755 flags |= PackageManager.DELETE_KEEP_DATA; 16756 } 16757 16758 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16759 outInfo, writeSettings, disabledPs.pkg); 16760 if (!ret) { 16761 return false; 16762 } 16763 16764 // writer 16765 synchronized (mPackages) { 16766 // Reinstate the old system package 16767 enableSystemPackageLPw(disabledPs.pkg); 16768 // Remove any native libraries from the upgraded package. 16769 removeNativeBinariesLI(deletedPs); 16770 } 16771 16772 // Install the system package 16773 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16774 int parseFlags = mDefParseFlags 16775 | PackageParser.PARSE_MUST_BE_APK 16776 | PackageParser.PARSE_IS_SYSTEM 16777 | PackageParser.PARSE_IS_SYSTEM_DIR; 16778 if (locationIsPrivileged(disabledPs.codePath)) { 16779 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16780 } 16781 16782 final PackageParser.Package newPkg; 16783 try { 16784 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 16785 0 /* currentTime */, null); 16786 } catch (PackageManagerException e) { 16787 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16788 + e.getMessage()); 16789 return false; 16790 } 16791 try { 16792 // update shared libraries for the newly re-installed system package 16793 updateSharedLibrariesLPr(newPkg, null); 16794 } catch (PackageManagerException e) { 16795 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16796 } 16797 16798 prepareAppDataAfterInstallLIF(newPkg); 16799 16800 // writer 16801 synchronized (mPackages) { 16802 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16803 16804 // Propagate the permissions state as we do not want to drop on the floor 16805 // runtime permissions. The update permissions method below will take 16806 // care of removing obsolete permissions and grant install permissions. 16807 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16808 updatePermissionsLPw(newPkg.packageName, newPkg, 16809 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16810 16811 if (applyUserRestrictions) { 16812 if (DEBUG_REMOVE) { 16813 Slog.d(TAG, "Propagating install state across reinstall"); 16814 } 16815 for (int userId : allUserHandles) { 16816 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16817 if (DEBUG_REMOVE) { 16818 Slog.d(TAG, " user " + userId + " => " + installed); 16819 } 16820 ps.setInstalled(installed, userId); 16821 16822 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16823 } 16824 // Regardless of writeSettings we need to ensure that this restriction 16825 // state propagation is persisted 16826 mSettings.writeAllUsersPackageRestrictionsLPr(); 16827 } 16828 // can downgrade to reader here 16829 if (writeSettings) { 16830 mSettings.writeLPr(); 16831 } 16832 } 16833 return true; 16834 } 16835 16836 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16837 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16838 PackageRemovedInfo outInfo, boolean writeSettings, 16839 PackageParser.Package replacingPackage) { 16840 synchronized (mPackages) { 16841 if (outInfo != null) { 16842 outInfo.uid = ps.appId; 16843 } 16844 16845 if (outInfo != null && outInfo.removedChildPackages != null) { 16846 final int childCount = (ps.childPackageNames != null) 16847 ? ps.childPackageNames.size() : 0; 16848 for (int i = 0; i < childCount; i++) { 16849 String childPackageName = ps.childPackageNames.get(i); 16850 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16851 if (childPs == null) { 16852 return false; 16853 } 16854 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16855 childPackageName); 16856 if (childInfo != null) { 16857 childInfo.uid = childPs.appId; 16858 } 16859 } 16860 } 16861 } 16862 16863 // Delete package data from internal structures and also remove data if flag is set 16864 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16865 16866 // Delete the child packages data 16867 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16868 for (int i = 0; i < childCount; i++) { 16869 PackageSetting childPs; 16870 synchronized (mPackages) { 16871 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16872 } 16873 if (childPs != null) { 16874 PackageRemovedInfo childOutInfo = (outInfo != null 16875 && outInfo.removedChildPackages != null) 16876 ? outInfo.removedChildPackages.get(childPs.name) : null; 16877 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16878 && (replacingPackage != null 16879 && !replacingPackage.hasChildPackage(childPs.name)) 16880 ? flags & ~DELETE_KEEP_DATA : flags; 16881 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16882 deleteFlags, writeSettings); 16883 } 16884 } 16885 16886 // Delete application code and resources only for parent packages 16887 if (ps.parentPackageName == null) { 16888 if (deleteCodeAndResources && (outInfo != null)) { 16889 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16890 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16891 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16892 } 16893 } 16894 16895 return true; 16896 } 16897 16898 @Override 16899 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16900 int userId) { 16901 mContext.enforceCallingOrSelfPermission( 16902 android.Manifest.permission.DELETE_PACKAGES, null); 16903 synchronized (mPackages) { 16904 PackageSetting ps = mSettings.mPackages.get(packageName); 16905 if (ps == null) { 16906 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16907 return false; 16908 } 16909 if (!ps.getInstalled(userId)) { 16910 // Can't block uninstall for an app that is not installed or enabled. 16911 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16912 return false; 16913 } 16914 ps.setBlockUninstall(blockUninstall, userId); 16915 mSettings.writePackageRestrictionsLPr(userId); 16916 } 16917 return true; 16918 } 16919 16920 @Override 16921 public boolean getBlockUninstallForUser(String packageName, int userId) { 16922 synchronized (mPackages) { 16923 PackageSetting ps = mSettings.mPackages.get(packageName); 16924 if (ps == null) { 16925 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16926 return false; 16927 } 16928 return ps.getBlockUninstall(userId); 16929 } 16930 } 16931 16932 @Override 16933 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16934 int callingUid = Binder.getCallingUid(); 16935 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16936 throw new SecurityException( 16937 "setRequiredForSystemUser can only be run by the system or root"); 16938 } 16939 synchronized (mPackages) { 16940 PackageSetting ps = mSettings.mPackages.get(packageName); 16941 if (ps == null) { 16942 Log.w(TAG, "Package doesn't exist: " + packageName); 16943 return false; 16944 } 16945 if (systemUserApp) { 16946 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16947 } else { 16948 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16949 } 16950 mSettings.writeLPr(); 16951 } 16952 return true; 16953 } 16954 16955 /* 16956 * This method handles package deletion in general 16957 */ 16958 private boolean deletePackageLIF(String packageName, UserHandle user, 16959 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16960 PackageRemovedInfo outInfo, boolean writeSettings, 16961 PackageParser.Package replacingPackage) { 16962 if (packageName == null) { 16963 Slog.w(TAG, "Attempt to delete null packageName."); 16964 return false; 16965 } 16966 16967 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16968 16969 PackageSetting ps; 16970 16971 synchronized (mPackages) { 16972 ps = mSettings.mPackages.get(packageName); 16973 if (ps == null) { 16974 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16975 return false; 16976 } 16977 16978 if (ps.parentPackageName != null && (!isSystemApp(ps) 16979 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16980 if (DEBUG_REMOVE) { 16981 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16982 + ((user == null) ? UserHandle.USER_ALL : user)); 16983 } 16984 final int removedUserId = (user != null) ? user.getIdentifier() 16985 : UserHandle.USER_ALL; 16986 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16987 return false; 16988 } 16989 markPackageUninstalledForUserLPw(ps, user); 16990 scheduleWritePackageRestrictionsLocked(user); 16991 return true; 16992 } 16993 } 16994 16995 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16996 && user.getIdentifier() != UserHandle.USER_ALL)) { 16997 // The caller is asking that the package only be deleted for a single 16998 // user. To do this, we just mark its uninstalled state and delete 16999 // its data. If this is a system app, we only allow this to happen if 17000 // they have set the special DELETE_SYSTEM_APP which requests different 17001 // semantics than normal for uninstalling system apps. 17002 markPackageUninstalledForUserLPw(ps, user); 17003 17004 if (!isSystemApp(ps)) { 17005 // Do not uninstall the APK if an app should be cached 17006 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 17007 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 17008 // Other user still have this package installed, so all 17009 // we need to do is clear this user's data and save that 17010 // it is uninstalled. 17011 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 17012 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17013 return false; 17014 } 17015 scheduleWritePackageRestrictionsLocked(user); 17016 return true; 17017 } else { 17018 // We need to set it back to 'installed' so the uninstall 17019 // broadcasts will be sent correctly. 17020 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 17021 ps.setInstalled(true, user.getIdentifier()); 17022 } 17023 } else { 17024 // This is a system app, so we assume that the 17025 // other users still have this package installed, so all 17026 // we need to do is clear this user's data and save that 17027 // it is uninstalled. 17028 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 17029 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17030 return false; 17031 } 17032 scheduleWritePackageRestrictionsLocked(user); 17033 return true; 17034 } 17035 } 17036 17037 // If we are deleting a composite package for all users, keep track 17038 // of result for each child. 17039 if (ps.childPackageNames != null && outInfo != null) { 17040 synchronized (mPackages) { 17041 final int childCount = ps.childPackageNames.size(); 17042 outInfo.removedChildPackages = new ArrayMap<>(childCount); 17043 for (int i = 0; i < childCount; i++) { 17044 String childPackageName = ps.childPackageNames.get(i); 17045 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 17046 childInfo.removedPackage = childPackageName; 17047 outInfo.removedChildPackages.put(childPackageName, childInfo); 17048 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17049 if (childPs != null) { 17050 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 17051 } 17052 } 17053 } 17054 } 17055 17056 boolean ret = false; 17057 if (isSystemApp(ps)) { 17058 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 17059 // When an updated system application is deleted we delete the existing resources 17060 // as well and fall back to existing code in system partition 17061 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 17062 } else { 17063 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 17064 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 17065 outInfo, writeSettings, replacingPackage); 17066 } 17067 17068 // Take a note whether we deleted the package for all users 17069 if (outInfo != null) { 17070 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 17071 if (outInfo.removedChildPackages != null) { 17072 synchronized (mPackages) { 17073 final int childCount = outInfo.removedChildPackages.size(); 17074 for (int i = 0; i < childCount; i++) { 17075 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 17076 if (childInfo != null) { 17077 childInfo.removedForAllUsers = mPackages.get( 17078 childInfo.removedPackage) == null; 17079 } 17080 } 17081 } 17082 } 17083 // If we uninstalled an update to a system app there may be some 17084 // child packages that appeared as they are declared in the system 17085 // app but were not declared in the update. 17086 if (isSystemApp(ps)) { 17087 synchronized (mPackages) { 17088 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 17089 final int childCount = (updatedPs.childPackageNames != null) 17090 ? updatedPs.childPackageNames.size() : 0; 17091 for (int i = 0; i < childCount; i++) { 17092 String childPackageName = updatedPs.childPackageNames.get(i); 17093 if (outInfo.removedChildPackages == null 17094 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 17095 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17096 if (childPs == null) { 17097 continue; 17098 } 17099 PackageInstalledInfo installRes = new PackageInstalledInfo(); 17100 installRes.name = childPackageName; 17101 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 17102 installRes.pkg = mPackages.get(childPackageName); 17103 installRes.uid = childPs.pkg.applicationInfo.uid; 17104 if (outInfo.appearedChildPackages == null) { 17105 outInfo.appearedChildPackages = new ArrayMap<>(); 17106 } 17107 outInfo.appearedChildPackages.put(childPackageName, installRes); 17108 } 17109 } 17110 } 17111 } 17112 } 17113 17114 return ret; 17115 } 17116 17117 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 17118 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 17119 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 17120 for (int nextUserId : userIds) { 17121 if (DEBUG_REMOVE) { 17122 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 17123 } 17124 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 17125 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 17126 false /*hidden*/, false /*suspended*/, null, null, null, 17127 false /*blockUninstall*/, 17128 ps.readUserState(nextUserId).domainVerificationStatus, 0, 17129 PackageManager.INSTALL_REASON_UNKNOWN); 17130 } 17131 } 17132 17133 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 17134 PackageRemovedInfo outInfo) { 17135 final PackageParser.Package pkg; 17136 synchronized (mPackages) { 17137 pkg = mPackages.get(ps.name); 17138 } 17139 17140 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 17141 : new int[] {userId}; 17142 for (int nextUserId : userIds) { 17143 if (DEBUG_REMOVE) { 17144 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 17145 + nextUserId); 17146 } 17147 17148 destroyAppDataLIF(pkg, userId, 17149 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17150 destroyAppProfilesLIF(pkg, userId); 17151 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 17152 schedulePackageCleaning(ps.name, nextUserId, false); 17153 synchronized (mPackages) { 17154 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 17155 scheduleWritePackageRestrictionsLocked(nextUserId); 17156 } 17157 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 17158 } 17159 } 17160 17161 if (outInfo != null) { 17162 outInfo.removedPackage = ps.name; 17163 outInfo.removedAppId = ps.appId; 17164 outInfo.removedUsers = userIds; 17165 } 17166 17167 return true; 17168 } 17169 17170 private final class ClearStorageConnection implements ServiceConnection { 17171 IMediaContainerService mContainerService; 17172 17173 @Override 17174 public void onServiceConnected(ComponentName name, IBinder service) { 17175 synchronized (this) { 17176 mContainerService = IMediaContainerService.Stub 17177 .asInterface(Binder.allowBlocking(service)); 17178 notifyAll(); 17179 } 17180 } 17181 17182 @Override 17183 public void onServiceDisconnected(ComponentName name) { 17184 } 17185 } 17186 17187 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 17188 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 17189 17190 final boolean mounted; 17191 if (Environment.isExternalStorageEmulated()) { 17192 mounted = true; 17193 } else { 17194 final String status = Environment.getExternalStorageState(); 17195 17196 mounted = status.equals(Environment.MEDIA_MOUNTED) 17197 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 17198 } 17199 17200 if (!mounted) { 17201 return; 17202 } 17203 17204 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 17205 int[] users; 17206 if (userId == UserHandle.USER_ALL) { 17207 users = sUserManager.getUserIds(); 17208 } else { 17209 users = new int[] { userId }; 17210 } 17211 final ClearStorageConnection conn = new ClearStorageConnection(); 17212 if (mContext.bindServiceAsUser( 17213 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 17214 try { 17215 for (int curUser : users) { 17216 long timeout = SystemClock.uptimeMillis() + 5000; 17217 synchronized (conn) { 17218 long now; 17219 while (conn.mContainerService == null && 17220 (now = SystemClock.uptimeMillis()) < timeout) { 17221 try { 17222 conn.wait(timeout - now); 17223 } catch (InterruptedException e) { 17224 } 17225 } 17226 } 17227 if (conn.mContainerService == null) { 17228 return; 17229 } 17230 17231 final UserEnvironment userEnv = new UserEnvironment(curUser); 17232 clearDirectory(conn.mContainerService, 17233 userEnv.buildExternalStorageAppCacheDirs(packageName)); 17234 if (allData) { 17235 clearDirectory(conn.mContainerService, 17236 userEnv.buildExternalStorageAppDataDirs(packageName)); 17237 clearDirectory(conn.mContainerService, 17238 userEnv.buildExternalStorageAppMediaDirs(packageName)); 17239 } 17240 } 17241 } finally { 17242 mContext.unbindService(conn); 17243 } 17244 } 17245 } 17246 17247 @Override 17248 public void clearApplicationProfileData(String packageName) { 17249 enforceSystemOrRoot("Only the system can clear all profile data"); 17250 17251 final PackageParser.Package pkg; 17252 synchronized (mPackages) { 17253 pkg = mPackages.get(packageName); 17254 } 17255 17256 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 17257 synchronized (mInstallLock) { 17258 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 17259 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 17260 true /* removeBaseMarker */); 17261 } 17262 } 17263 } 17264 17265 @Override 17266 public void clearApplicationUserData(final String packageName, 17267 final IPackageDataObserver observer, final int userId) { 17268 mContext.enforceCallingOrSelfPermission( 17269 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 17270 17271 enforceCrossUserPermission(Binder.getCallingUid(), userId, 17272 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 17273 17274 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 17275 throw new SecurityException("Cannot clear data for a protected package: " 17276 + packageName); 17277 } 17278 // Queue up an async operation since the package deletion may take a little while. 17279 mHandler.post(new Runnable() { 17280 public void run() { 17281 mHandler.removeCallbacks(this); 17282 final boolean succeeded; 17283 try (PackageFreezer freezer = freezePackage(packageName, 17284 "clearApplicationUserData")) { 17285 synchronized (mInstallLock) { 17286 succeeded = clearApplicationUserDataLIF(packageName, userId); 17287 } 17288 clearExternalStorageDataSync(packageName, userId, true); 17289 } 17290 if (succeeded) { 17291 // invoke DeviceStorageMonitor's update method to clear any notifications 17292 DeviceStorageMonitorInternal dsm = LocalServices 17293 .getService(DeviceStorageMonitorInternal.class); 17294 if (dsm != null) { 17295 dsm.checkMemory(); 17296 } 17297 } 17298 if(observer != null) { 17299 try { 17300 observer.onRemoveCompleted(packageName, succeeded); 17301 } catch (RemoteException e) { 17302 Log.i(TAG, "Observer no longer exists."); 17303 } 17304 } //end if observer 17305 } //end run 17306 }); 17307 } 17308 17309 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 17310 if (packageName == null) { 17311 Slog.w(TAG, "Attempt to delete null packageName."); 17312 return false; 17313 } 17314 17315 // Try finding details about the requested package 17316 PackageParser.Package pkg; 17317 synchronized (mPackages) { 17318 pkg = mPackages.get(packageName); 17319 if (pkg == null) { 17320 final PackageSetting ps = mSettings.mPackages.get(packageName); 17321 if (ps != null) { 17322 pkg = ps.pkg; 17323 } 17324 } 17325 17326 if (pkg == null) { 17327 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 17328 return false; 17329 } 17330 17331 PackageSetting ps = (PackageSetting) pkg.mExtras; 17332 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 17333 } 17334 17335 clearAppDataLIF(pkg, userId, 17336 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17337 17338 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 17339 removeKeystoreDataIfNeeded(userId, appId); 17340 17341 UserManagerInternal umInternal = getUserManagerInternal(); 17342 final int flags; 17343 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 17344 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17345 } else if (umInternal.isUserRunning(userId)) { 17346 flags = StorageManager.FLAG_STORAGE_DE; 17347 } else { 17348 flags = 0; 17349 } 17350 prepareAppDataContentsLIF(pkg, userId, flags); 17351 17352 return true; 17353 } 17354 17355 /** 17356 * Reverts user permission state changes (permissions and flags) in 17357 * all packages for a given user. 17358 * 17359 * @param userId The device user for which to do a reset. 17360 */ 17361 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 17362 final int packageCount = mPackages.size(); 17363 for (int i = 0; i < packageCount; i++) { 17364 PackageParser.Package pkg = mPackages.valueAt(i); 17365 PackageSetting ps = (PackageSetting) pkg.mExtras; 17366 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 17367 } 17368 } 17369 17370 private void resetNetworkPolicies(int userId) { 17371 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 17372 } 17373 17374 /** 17375 * Reverts user permission state changes (permissions and flags). 17376 * 17377 * @param ps The package for which to reset. 17378 * @param userId The device user for which to do a reset. 17379 */ 17380 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 17381 final PackageSetting ps, final int userId) { 17382 if (ps.pkg == null) { 17383 return; 17384 } 17385 17386 // These are flags that can change base on user actions. 17387 final int userSettableMask = FLAG_PERMISSION_USER_SET 17388 | FLAG_PERMISSION_USER_FIXED 17389 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 17390 | FLAG_PERMISSION_REVIEW_REQUIRED; 17391 17392 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 17393 | FLAG_PERMISSION_POLICY_FIXED; 17394 17395 boolean writeInstallPermissions = false; 17396 boolean writeRuntimePermissions = false; 17397 17398 final int permissionCount = ps.pkg.requestedPermissions.size(); 17399 for (int i = 0; i < permissionCount; i++) { 17400 String permission = ps.pkg.requestedPermissions.get(i); 17401 17402 BasePermission bp = mSettings.mPermissions.get(permission); 17403 if (bp == null) { 17404 continue; 17405 } 17406 17407 // If shared user we just reset the state to which only this app contributed. 17408 if (ps.sharedUser != null) { 17409 boolean used = false; 17410 final int packageCount = ps.sharedUser.packages.size(); 17411 for (int j = 0; j < packageCount; j++) { 17412 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 17413 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 17414 && pkg.pkg.requestedPermissions.contains(permission)) { 17415 used = true; 17416 break; 17417 } 17418 } 17419 if (used) { 17420 continue; 17421 } 17422 } 17423 17424 PermissionsState permissionsState = ps.getPermissionsState(); 17425 17426 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 17427 17428 // Always clear the user settable flags. 17429 final boolean hasInstallState = permissionsState.getInstallPermissionState( 17430 bp.name) != null; 17431 // If permission review is enabled and this is a legacy app, mark the 17432 // permission as requiring a review as this is the initial state. 17433 int flags = 0; 17434 if (mPermissionReviewRequired 17435 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 17436 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 17437 } 17438 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 17439 if (hasInstallState) { 17440 writeInstallPermissions = true; 17441 } else { 17442 writeRuntimePermissions = true; 17443 } 17444 } 17445 17446 // Below is only runtime permission handling. 17447 if (!bp.isRuntime()) { 17448 continue; 17449 } 17450 17451 // Never clobber system or policy. 17452 if ((oldFlags & policyOrSystemFlags) != 0) { 17453 continue; 17454 } 17455 17456 // If this permission was granted by default, make sure it is. 17457 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 17458 if (permissionsState.grantRuntimePermission(bp, userId) 17459 != PERMISSION_OPERATION_FAILURE) { 17460 writeRuntimePermissions = true; 17461 } 17462 // If permission review is enabled the permissions for a legacy apps 17463 // are represented as constantly granted runtime ones, so don't revoke. 17464 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 17465 // Otherwise, reset the permission. 17466 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 17467 switch (revokeResult) { 17468 case PERMISSION_OPERATION_SUCCESS: 17469 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 17470 writeRuntimePermissions = true; 17471 final int appId = ps.appId; 17472 mHandler.post(new Runnable() { 17473 @Override 17474 public void run() { 17475 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 17476 } 17477 }); 17478 } break; 17479 } 17480 } 17481 } 17482 17483 // Synchronously write as we are taking permissions away. 17484 if (writeRuntimePermissions) { 17485 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 17486 } 17487 17488 // Synchronously write as we are taking permissions away. 17489 if (writeInstallPermissions) { 17490 mSettings.writeLPr(); 17491 } 17492 } 17493 17494 /** 17495 * Remove entries from the keystore daemon. Will only remove it if the 17496 * {@code appId} is valid. 17497 */ 17498 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 17499 if (appId < 0) { 17500 return; 17501 } 17502 17503 final KeyStore keyStore = KeyStore.getInstance(); 17504 if (keyStore != null) { 17505 if (userId == UserHandle.USER_ALL) { 17506 for (final int individual : sUserManager.getUserIds()) { 17507 keyStore.clearUid(UserHandle.getUid(individual, appId)); 17508 } 17509 } else { 17510 keyStore.clearUid(UserHandle.getUid(userId, appId)); 17511 } 17512 } else { 17513 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 17514 } 17515 } 17516 17517 @Override 17518 public void deleteApplicationCacheFiles(final String packageName, 17519 final IPackageDataObserver observer) { 17520 final int userId = UserHandle.getCallingUserId(); 17521 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 17522 } 17523 17524 @Override 17525 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 17526 final IPackageDataObserver observer) { 17527 mContext.enforceCallingOrSelfPermission( 17528 android.Manifest.permission.DELETE_CACHE_FILES, null); 17529 enforceCrossUserPermission(Binder.getCallingUid(), userId, 17530 /* requireFullPermission= */ true, /* checkShell= */ false, 17531 "delete application cache files"); 17532 17533 final PackageParser.Package pkg; 17534 synchronized (mPackages) { 17535 pkg = mPackages.get(packageName); 17536 } 17537 17538 // Queue up an async operation since the package deletion may take a little while. 17539 mHandler.post(new Runnable() { 17540 public void run() { 17541 synchronized (mInstallLock) { 17542 final int flags = StorageManager.FLAG_STORAGE_DE 17543 | StorageManager.FLAG_STORAGE_CE; 17544 // We're only clearing cache files, so we don't care if the 17545 // app is unfrozen and still able to run 17546 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 17547 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17548 } 17549 clearExternalStorageDataSync(packageName, userId, false); 17550 if (observer != null) { 17551 try { 17552 observer.onRemoveCompleted(packageName, true); 17553 } catch (RemoteException e) { 17554 Log.i(TAG, "Observer no longer exists."); 17555 } 17556 } 17557 } 17558 }); 17559 } 17560 17561 @Override 17562 public void getPackageSizeInfo(final String packageName, int userHandle, 17563 final IPackageStatsObserver observer) { 17564 mContext.enforceCallingOrSelfPermission( 17565 android.Manifest.permission.GET_PACKAGE_SIZE, null); 17566 if (packageName == null) { 17567 throw new IllegalArgumentException("Attempt to get size of null packageName"); 17568 } 17569 17570 PackageStats stats = new PackageStats(packageName, userHandle); 17571 17572 /* 17573 * Queue up an async operation since the package measurement may take a 17574 * little while. 17575 */ 17576 Message msg = mHandler.obtainMessage(INIT_COPY); 17577 msg.obj = new MeasureParams(stats, observer); 17578 mHandler.sendMessage(msg); 17579 } 17580 17581 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 17582 final PackageSetting ps; 17583 synchronized (mPackages) { 17584 ps = mSettings.mPackages.get(packageName); 17585 if (ps == null) { 17586 Slog.w(TAG, "Failed to find settings for " + packageName); 17587 return false; 17588 } 17589 } 17590 17591 final String[] packageNames = { packageName }; 17592 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 17593 final String[] codePaths = { ps.codePathString }; 17594 17595 try { 17596 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 17597 ps.appId, ceDataInodes, codePaths, stats); 17598 17599 // For now, ignore code size of packages on system partition 17600 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 17601 stats.codeSize = 0; 17602 } 17603 17604 // External clients expect these to be tracked separately 17605 stats.dataSize -= stats.cacheSize; 17606 17607 } catch (InstallerException e) { 17608 Slog.w(TAG, String.valueOf(e)); 17609 return false; 17610 } 17611 17612 return true; 17613 } 17614 17615 private int getUidTargetSdkVersionLockedLPr(int uid) { 17616 Object obj = mSettings.getUserIdLPr(uid); 17617 if (obj instanceof SharedUserSetting) { 17618 final SharedUserSetting sus = (SharedUserSetting) obj; 17619 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17620 final Iterator<PackageSetting> it = sus.packages.iterator(); 17621 while (it.hasNext()) { 17622 final PackageSetting ps = it.next(); 17623 if (ps.pkg != null) { 17624 int v = ps.pkg.applicationInfo.targetSdkVersion; 17625 if (v < vers) vers = v; 17626 } 17627 } 17628 return vers; 17629 } else if (obj instanceof PackageSetting) { 17630 final PackageSetting ps = (PackageSetting) obj; 17631 if (ps.pkg != null) { 17632 return ps.pkg.applicationInfo.targetSdkVersion; 17633 } 17634 } 17635 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17636 } 17637 17638 @Override 17639 public void addPreferredActivity(IntentFilter filter, int match, 17640 ComponentName[] set, ComponentName activity, int userId) { 17641 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17642 "Adding preferred"); 17643 } 17644 17645 private void addPreferredActivityInternal(IntentFilter filter, int match, 17646 ComponentName[] set, ComponentName activity, boolean always, int userId, 17647 String opname) { 17648 // writer 17649 int callingUid = Binder.getCallingUid(); 17650 enforceCrossUserPermission(callingUid, userId, 17651 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17652 if (filter.countActions() == 0) { 17653 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17654 return; 17655 } 17656 synchronized (mPackages) { 17657 if (mContext.checkCallingOrSelfPermission( 17658 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17659 != PackageManager.PERMISSION_GRANTED) { 17660 if (getUidTargetSdkVersionLockedLPr(callingUid) 17661 < Build.VERSION_CODES.FROYO) { 17662 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17663 + callingUid); 17664 return; 17665 } 17666 mContext.enforceCallingOrSelfPermission( 17667 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17668 } 17669 17670 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17671 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17672 + userId + ":"); 17673 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17674 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17675 scheduleWritePackageRestrictionsLocked(userId); 17676 postPreferredActivityChangedBroadcast(userId); 17677 } 17678 } 17679 17680 private void postPreferredActivityChangedBroadcast(int userId) { 17681 mHandler.post(() -> { 17682 final IActivityManager am = ActivityManager.getService(); 17683 if (am == null) { 17684 return; 17685 } 17686 17687 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17688 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17689 try { 17690 am.broadcastIntent(null, intent, null, null, 17691 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17692 null, false, false, userId); 17693 } catch (RemoteException e) { 17694 } 17695 }); 17696 } 17697 17698 @Override 17699 public void replacePreferredActivity(IntentFilter filter, int match, 17700 ComponentName[] set, ComponentName activity, int userId) { 17701 if (filter.countActions() != 1) { 17702 throw new IllegalArgumentException( 17703 "replacePreferredActivity expects filter to have only 1 action."); 17704 } 17705 if (filter.countDataAuthorities() != 0 17706 || filter.countDataPaths() != 0 17707 || filter.countDataSchemes() > 1 17708 || filter.countDataTypes() != 0) { 17709 throw new IllegalArgumentException( 17710 "replacePreferredActivity expects filter to have no data authorities, " + 17711 "paths, or types; and at most one scheme."); 17712 } 17713 17714 final int callingUid = Binder.getCallingUid(); 17715 enforceCrossUserPermission(callingUid, userId, 17716 true /* requireFullPermission */, false /* checkShell */, 17717 "replace preferred activity"); 17718 synchronized (mPackages) { 17719 if (mContext.checkCallingOrSelfPermission( 17720 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17721 != PackageManager.PERMISSION_GRANTED) { 17722 if (getUidTargetSdkVersionLockedLPr(callingUid) 17723 < Build.VERSION_CODES.FROYO) { 17724 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17725 + Binder.getCallingUid()); 17726 return; 17727 } 17728 mContext.enforceCallingOrSelfPermission( 17729 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17730 } 17731 17732 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17733 if (pir != null) { 17734 // Get all of the existing entries that exactly match this filter. 17735 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17736 if (existing != null && existing.size() == 1) { 17737 PreferredActivity cur = existing.get(0); 17738 if (DEBUG_PREFERRED) { 17739 Slog.i(TAG, "Checking replace of preferred:"); 17740 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17741 if (!cur.mPref.mAlways) { 17742 Slog.i(TAG, " -- CUR; not mAlways!"); 17743 } else { 17744 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17745 Slog.i(TAG, " -- CUR: mSet=" 17746 + Arrays.toString(cur.mPref.mSetComponents)); 17747 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17748 Slog.i(TAG, " -- NEW: mMatch=" 17749 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17750 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17751 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17752 } 17753 } 17754 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17755 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17756 && cur.mPref.sameSet(set)) { 17757 // Setting the preferred activity to what it happens to be already 17758 if (DEBUG_PREFERRED) { 17759 Slog.i(TAG, "Replacing with same preferred activity " 17760 + cur.mPref.mShortComponent + " for user " 17761 + userId + ":"); 17762 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17763 } 17764 return; 17765 } 17766 } 17767 17768 if (existing != null) { 17769 if (DEBUG_PREFERRED) { 17770 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17771 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17772 } 17773 for (int i = 0; i < existing.size(); i++) { 17774 PreferredActivity pa = existing.get(i); 17775 if (DEBUG_PREFERRED) { 17776 Slog.i(TAG, "Removing existing preferred activity " 17777 + pa.mPref.mComponent + ":"); 17778 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17779 } 17780 pir.removeFilter(pa); 17781 } 17782 } 17783 } 17784 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17785 "Replacing preferred"); 17786 } 17787 } 17788 17789 @Override 17790 public void clearPackagePreferredActivities(String packageName) { 17791 final int uid = Binder.getCallingUid(); 17792 // writer 17793 synchronized (mPackages) { 17794 PackageParser.Package pkg = mPackages.get(packageName); 17795 if (pkg == null || pkg.applicationInfo.uid != uid) { 17796 if (mContext.checkCallingOrSelfPermission( 17797 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17798 != PackageManager.PERMISSION_GRANTED) { 17799 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17800 < Build.VERSION_CODES.FROYO) { 17801 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17802 + Binder.getCallingUid()); 17803 return; 17804 } 17805 mContext.enforceCallingOrSelfPermission( 17806 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17807 } 17808 } 17809 17810 int user = UserHandle.getCallingUserId(); 17811 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17812 scheduleWritePackageRestrictionsLocked(user); 17813 } 17814 } 17815 } 17816 17817 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17818 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17819 ArrayList<PreferredActivity> removed = null; 17820 boolean changed = false; 17821 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17822 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17823 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17824 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17825 continue; 17826 } 17827 Iterator<PreferredActivity> it = pir.filterIterator(); 17828 while (it.hasNext()) { 17829 PreferredActivity pa = it.next(); 17830 // Mark entry for removal only if it matches the package name 17831 // and the entry is of type "always". 17832 if (packageName == null || 17833 (pa.mPref.mComponent.getPackageName().equals(packageName) 17834 && pa.mPref.mAlways)) { 17835 if (removed == null) { 17836 removed = new ArrayList<PreferredActivity>(); 17837 } 17838 removed.add(pa); 17839 } 17840 } 17841 if (removed != null) { 17842 for (int j=0; j<removed.size(); j++) { 17843 PreferredActivity pa = removed.get(j); 17844 pir.removeFilter(pa); 17845 } 17846 changed = true; 17847 } 17848 } 17849 if (changed) { 17850 postPreferredActivityChangedBroadcast(userId); 17851 } 17852 return changed; 17853 } 17854 17855 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17856 private void clearIntentFilterVerificationsLPw(int userId) { 17857 final int packageCount = mPackages.size(); 17858 for (int i = 0; i < packageCount; i++) { 17859 PackageParser.Package pkg = mPackages.valueAt(i); 17860 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17861 } 17862 } 17863 17864 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17865 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17866 if (userId == UserHandle.USER_ALL) { 17867 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17868 sUserManager.getUserIds())) { 17869 for (int oneUserId : sUserManager.getUserIds()) { 17870 scheduleWritePackageRestrictionsLocked(oneUserId); 17871 } 17872 } 17873 } else { 17874 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17875 scheduleWritePackageRestrictionsLocked(userId); 17876 } 17877 } 17878 } 17879 17880 void clearDefaultBrowserIfNeeded(String packageName) { 17881 for (int oneUserId : sUserManager.getUserIds()) { 17882 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17883 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17884 if (packageName.equals(defaultBrowserPackageName)) { 17885 setDefaultBrowserPackageName(null, oneUserId); 17886 } 17887 } 17888 } 17889 17890 @Override 17891 public void resetApplicationPreferences(int userId) { 17892 mContext.enforceCallingOrSelfPermission( 17893 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17894 final long identity = Binder.clearCallingIdentity(); 17895 // writer 17896 try { 17897 synchronized (mPackages) { 17898 clearPackagePreferredActivitiesLPw(null, userId); 17899 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17900 // TODO: We have to reset the default SMS and Phone. This requires 17901 // significant refactoring to keep all default apps in the package 17902 // manager (cleaner but more work) or have the services provide 17903 // callbacks to the package manager to request a default app reset. 17904 applyFactoryDefaultBrowserLPw(userId); 17905 clearIntentFilterVerificationsLPw(userId); 17906 primeDomainVerificationsLPw(userId); 17907 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17908 scheduleWritePackageRestrictionsLocked(userId); 17909 } 17910 resetNetworkPolicies(userId); 17911 } finally { 17912 Binder.restoreCallingIdentity(identity); 17913 } 17914 } 17915 17916 @Override 17917 public int getPreferredActivities(List<IntentFilter> outFilters, 17918 List<ComponentName> outActivities, String packageName) { 17919 17920 int num = 0; 17921 final int userId = UserHandle.getCallingUserId(); 17922 // reader 17923 synchronized (mPackages) { 17924 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17925 if (pir != null) { 17926 final Iterator<PreferredActivity> it = pir.filterIterator(); 17927 while (it.hasNext()) { 17928 final PreferredActivity pa = it.next(); 17929 if (packageName == null 17930 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17931 && pa.mPref.mAlways)) { 17932 if (outFilters != null) { 17933 outFilters.add(new IntentFilter(pa)); 17934 } 17935 if (outActivities != null) { 17936 outActivities.add(pa.mPref.mComponent); 17937 } 17938 } 17939 } 17940 } 17941 } 17942 17943 return num; 17944 } 17945 17946 @Override 17947 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17948 int userId) { 17949 int callingUid = Binder.getCallingUid(); 17950 if (callingUid != Process.SYSTEM_UID) { 17951 throw new SecurityException( 17952 "addPersistentPreferredActivity can only be run by the system"); 17953 } 17954 if (filter.countActions() == 0) { 17955 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17956 return; 17957 } 17958 synchronized (mPackages) { 17959 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17960 ":"); 17961 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17962 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17963 new PersistentPreferredActivity(filter, activity)); 17964 scheduleWritePackageRestrictionsLocked(userId); 17965 postPreferredActivityChangedBroadcast(userId); 17966 } 17967 } 17968 17969 @Override 17970 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17971 int callingUid = Binder.getCallingUid(); 17972 if (callingUid != Process.SYSTEM_UID) { 17973 throw new SecurityException( 17974 "clearPackagePersistentPreferredActivities can only be run by the system"); 17975 } 17976 ArrayList<PersistentPreferredActivity> removed = null; 17977 boolean changed = false; 17978 synchronized (mPackages) { 17979 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17980 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17981 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17982 .valueAt(i); 17983 if (userId != thisUserId) { 17984 continue; 17985 } 17986 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17987 while (it.hasNext()) { 17988 PersistentPreferredActivity ppa = it.next(); 17989 // Mark entry for removal only if it matches the package name. 17990 if (ppa.mComponent.getPackageName().equals(packageName)) { 17991 if (removed == null) { 17992 removed = new ArrayList<PersistentPreferredActivity>(); 17993 } 17994 removed.add(ppa); 17995 } 17996 } 17997 if (removed != null) { 17998 for (int j=0; j<removed.size(); j++) { 17999 PersistentPreferredActivity ppa = removed.get(j); 18000 ppir.removeFilter(ppa); 18001 } 18002 changed = true; 18003 } 18004 } 18005 18006 if (changed) { 18007 scheduleWritePackageRestrictionsLocked(userId); 18008 postPreferredActivityChangedBroadcast(userId); 18009 } 18010 } 18011 } 18012 18013 /** 18014 * Common machinery for picking apart a restored XML blob and passing 18015 * it to a caller-supplied functor to be applied to the running system. 18016 */ 18017 private void restoreFromXml(XmlPullParser parser, int userId, 18018 String expectedStartTag, BlobXmlRestorer functor) 18019 throws IOException, XmlPullParserException { 18020 int type; 18021 while ((type = parser.next()) != XmlPullParser.START_TAG 18022 && type != XmlPullParser.END_DOCUMENT) { 18023 } 18024 if (type != XmlPullParser.START_TAG) { 18025 // oops didn't find a start tag?! 18026 if (DEBUG_BACKUP) { 18027 Slog.e(TAG, "Didn't find start tag during restore"); 18028 } 18029 return; 18030 } 18031Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 18032 // this is supposed to be TAG_PREFERRED_BACKUP 18033 if (!expectedStartTag.equals(parser.getName())) { 18034 if (DEBUG_BACKUP) { 18035 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 18036 } 18037 return; 18038 } 18039 18040 // skip interfering stuff, then we're aligned with the backing implementation 18041 while ((type = parser.next()) == XmlPullParser.TEXT) { } 18042Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 18043 functor.apply(parser, userId); 18044 } 18045 18046 private interface BlobXmlRestorer { 18047 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 18048 } 18049 18050 /** 18051 * Non-Binder method, support for the backup/restore mechanism: write the 18052 * full set of preferred activities in its canonical XML format. Returns the 18053 * XML output as a byte array, or null if there is none. 18054 */ 18055 @Override 18056 public byte[] getPreferredActivityBackup(int userId) { 18057 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18058 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 18059 } 18060 18061 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18062 try { 18063 final XmlSerializer serializer = new FastXmlSerializer(); 18064 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18065 serializer.startDocument(null, true); 18066 serializer.startTag(null, TAG_PREFERRED_BACKUP); 18067 18068 synchronized (mPackages) { 18069 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 18070 } 18071 18072 serializer.endTag(null, TAG_PREFERRED_BACKUP); 18073 serializer.endDocument(); 18074 serializer.flush(); 18075 } catch (Exception e) { 18076 if (DEBUG_BACKUP) { 18077 Slog.e(TAG, "Unable to write preferred activities for backup", e); 18078 } 18079 return null; 18080 } 18081 18082 return dataStream.toByteArray(); 18083 } 18084 18085 @Override 18086 public void restorePreferredActivities(byte[] backup, int userId) { 18087 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18088 throw new SecurityException("Only the system may call restorePreferredActivities()"); 18089 } 18090 18091 try { 18092 final XmlPullParser parser = Xml.newPullParser(); 18093 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18094 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 18095 new BlobXmlRestorer() { 18096 @Override 18097 public void apply(XmlPullParser parser, int userId) 18098 throws XmlPullParserException, IOException { 18099 synchronized (mPackages) { 18100 mSettings.readPreferredActivitiesLPw(parser, userId); 18101 } 18102 } 18103 } ); 18104 } catch (Exception e) { 18105 if (DEBUG_BACKUP) { 18106 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18107 } 18108 } 18109 } 18110 18111 /** 18112 * Non-Binder method, support for the backup/restore mechanism: write the 18113 * default browser (etc) settings in its canonical XML format. Returns the default 18114 * browser XML representation as a byte array, or null if there is none. 18115 */ 18116 @Override 18117 public byte[] getDefaultAppsBackup(int userId) { 18118 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18119 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 18120 } 18121 18122 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18123 try { 18124 final XmlSerializer serializer = new FastXmlSerializer(); 18125 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18126 serializer.startDocument(null, true); 18127 serializer.startTag(null, TAG_DEFAULT_APPS); 18128 18129 synchronized (mPackages) { 18130 mSettings.writeDefaultAppsLPr(serializer, userId); 18131 } 18132 18133 serializer.endTag(null, TAG_DEFAULT_APPS); 18134 serializer.endDocument(); 18135 serializer.flush(); 18136 } catch (Exception e) { 18137 if (DEBUG_BACKUP) { 18138 Slog.e(TAG, "Unable to write default apps for backup", e); 18139 } 18140 return null; 18141 } 18142 18143 return dataStream.toByteArray(); 18144 } 18145 18146 @Override 18147 public void restoreDefaultApps(byte[] backup, int userId) { 18148 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18149 throw new SecurityException("Only the system may call restoreDefaultApps()"); 18150 } 18151 18152 try { 18153 final XmlPullParser parser = Xml.newPullParser(); 18154 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18155 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 18156 new BlobXmlRestorer() { 18157 @Override 18158 public void apply(XmlPullParser parser, int userId) 18159 throws XmlPullParserException, IOException { 18160 synchronized (mPackages) { 18161 mSettings.readDefaultAppsLPw(parser, userId); 18162 } 18163 } 18164 } ); 18165 } catch (Exception e) { 18166 if (DEBUG_BACKUP) { 18167 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 18168 } 18169 } 18170 } 18171 18172 @Override 18173 public byte[] getIntentFilterVerificationBackup(int userId) { 18174 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18175 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 18176 } 18177 18178 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18179 try { 18180 final XmlSerializer serializer = new FastXmlSerializer(); 18181 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18182 serializer.startDocument(null, true); 18183 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 18184 18185 synchronized (mPackages) { 18186 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 18187 } 18188 18189 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 18190 serializer.endDocument(); 18191 serializer.flush(); 18192 } catch (Exception e) { 18193 if (DEBUG_BACKUP) { 18194 Slog.e(TAG, "Unable to write default apps for backup", e); 18195 } 18196 return null; 18197 } 18198 18199 return dataStream.toByteArray(); 18200 } 18201 18202 @Override 18203 public void restoreIntentFilterVerification(byte[] backup, int userId) { 18204 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18205 throw new SecurityException("Only the system may call restorePreferredActivities()"); 18206 } 18207 18208 try { 18209 final XmlPullParser parser = Xml.newPullParser(); 18210 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18211 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 18212 new BlobXmlRestorer() { 18213 @Override 18214 public void apply(XmlPullParser parser, int userId) 18215 throws XmlPullParserException, IOException { 18216 synchronized (mPackages) { 18217 mSettings.readAllDomainVerificationsLPr(parser, userId); 18218 mSettings.writeLPr(); 18219 } 18220 } 18221 } ); 18222 } catch (Exception e) { 18223 if (DEBUG_BACKUP) { 18224 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18225 } 18226 } 18227 } 18228 18229 @Override 18230 public byte[] getPermissionGrantBackup(int userId) { 18231 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18232 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 18233 } 18234 18235 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18236 try { 18237 final XmlSerializer serializer = new FastXmlSerializer(); 18238 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18239 serializer.startDocument(null, true); 18240 serializer.startTag(null, TAG_PERMISSION_BACKUP); 18241 18242 synchronized (mPackages) { 18243 serializeRuntimePermissionGrantsLPr(serializer, userId); 18244 } 18245 18246 serializer.endTag(null, TAG_PERMISSION_BACKUP); 18247 serializer.endDocument(); 18248 serializer.flush(); 18249 } catch (Exception e) { 18250 if (DEBUG_BACKUP) { 18251 Slog.e(TAG, "Unable to write default apps for backup", e); 18252 } 18253 return null; 18254 } 18255 18256 return dataStream.toByteArray(); 18257 } 18258 18259 @Override 18260 public void restorePermissionGrants(byte[] backup, int userId) { 18261 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18262 throw new SecurityException("Only the system may call restorePermissionGrants()"); 18263 } 18264 18265 try { 18266 final XmlPullParser parser = Xml.newPullParser(); 18267 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18268 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 18269 new BlobXmlRestorer() { 18270 @Override 18271 public void apply(XmlPullParser parser, int userId) 18272 throws XmlPullParserException, IOException { 18273 synchronized (mPackages) { 18274 processRestoredPermissionGrantsLPr(parser, userId); 18275 } 18276 } 18277 } ); 18278 } catch (Exception e) { 18279 if (DEBUG_BACKUP) { 18280 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18281 } 18282 } 18283 } 18284 18285 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 18286 throws IOException { 18287 serializer.startTag(null, TAG_ALL_GRANTS); 18288 18289 final int N = mSettings.mPackages.size(); 18290 for (int i = 0; i < N; i++) { 18291 final PackageSetting ps = mSettings.mPackages.valueAt(i); 18292 boolean pkgGrantsKnown = false; 18293 18294 PermissionsState packagePerms = ps.getPermissionsState(); 18295 18296 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 18297 final int grantFlags = state.getFlags(); 18298 // only look at grants that are not system/policy fixed 18299 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 18300 final boolean isGranted = state.isGranted(); 18301 // And only back up the user-twiddled state bits 18302 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 18303 final String packageName = mSettings.mPackages.keyAt(i); 18304 if (!pkgGrantsKnown) { 18305 serializer.startTag(null, TAG_GRANT); 18306 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 18307 pkgGrantsKnown = true; 18308 } 18309 18310 final boolean userSet = 18311 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 18312 final boolean userFixed = 18313 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 18314 final boolean revoke = 18315 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 18316 18317 serializer.startTag(null, TAG_PERMISSION); 18318 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 18319 if (isGranted) { 18320 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 18321 } 18322 if (userSet) { 18323 serializer.attribute(null, ATTR_USER_SET, "true"); 18324 } 18325 if (userFixed) { 18326 serializer.attribute(null, ATTR_USER_FIXED, "true"); 18327 } 18328 if (revoke) { 18329 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 18330 } 18331 serializer.endTag(null, TAG_PERMISSION); 18332 } 18333 } 18334 } 18335 18336 if (pkgGrantsKnown) { 18337 serializer.endTag(null, TAG_GRANT); 18338 } 18339 } 18340 18341 serializer.endTag(null, TAG_ALL_GRANTS); 18342 } 18343 18344 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 18345 throws XmlPullParserException, IOException { 18346 String pkgName = null; 18347 int outerDepth = parser.getDepth(); 18348 int type; 18349 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 18350 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 18351 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 18352 continue; 18353 } 18354 18355 final String tagName = parser.getName(); 18356 if (tagName.equals(TAG_GRANT)) { 18357 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 18358 if (DEBUG_BACKUP) { 18359 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 18360 } 18361 } else if (tagName.equals(TAG_PERMISSION)) { 18362 18363 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 18364 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 18365 18366 int newFlagSet = 0; 18367 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 18368 newFlagSet |= FLAG_PERMISSION_USER_SET; 18369 } 18370 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 18371 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 18372 } 18373 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 18374 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 18375 } 18376 if (DEBUG_BACKUP) { 18377 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 18378 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 18379 } 18380 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18381 if (ps != null) { 18382 // Already installed so we apply the grant immediately 18383 if (DEBUG_BACKUP) { 18384 Slog.v(TAG, " + already installed; applying"); 18385 } 18386 PermissionsState perms = ps.getPermissionsState(); 18387 BasePermission bp = mSettings.mPermissions.get(permName); 18388 if (bp != null) { 18389 if (isGranted) { 18390 perms.grantRuntimePermission(bp, userId); 18391 } 18392 if (newFlagSet != 0) { 18393 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 18394 } 18395 } 18396 } else { 18397 // Need to wait for post-restore install to apply the grant 18398 if (DEBUG_BACKUP) { 18399 Slog.v(TAG, " - not yet installed; saving for later"); 18400 } 18401 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 18402 isGranted, newFlagSet, userId); 18403 } 18404 } else { 18405 PackageManagerService.reportSettingsProblem(Log.WARN, 18406 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 18407 XmlUtils.skipCurrentTag(parser); 18408 } 18409 } 18410 18411 scheduleWriteSettingsLocked(); 18412 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18413 } 18414 18415 @Override 18416 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 18417 int sourceUserId, int targetUserId, int flags) { 18418 mContext.enforceCallingOrSelfPermission( 18419 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 18420 int callingUid = Binder.getCallingUid(); 18421 enforceOwnerRights(ownerPackage, callingUid); 18422 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 18423 if (intentFilter.countActions() == 0) { 18424 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 18425 return; 18426 } 18427 synchronized (mPackages) { 18428 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 18429 ownerPackage, targetUserId, flags); 18430 CrossProfileIntentResolver resolver = 18431 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 18432 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 18433 // We have all those whose filter is equal. Now checking if the rest is equal as well. 18434 if (existing != null) { 18435 int size = existing.size(); 18436 for (int i = 0; i < size; i++) { 18437 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 18438 return; 18439 } 18440 } 18441 } 18442 resolver.addFilter(newFilter); 18443 scheduleWritePackageRestrictionsLocked(sourceUserId); 18444 } 18445 } 18446 18447 @Override 18448 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 18449 mContext.enforceCallingOrSelfPermission( 18450 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 18451 int callingUid = Binder.getCallingUid(); 18452 enforceOwnerRights(ownerPackage, callingUid); 18453 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 18454 synchronized (mPackages) { 18455 CrossProfileIntentResolver resolver = 18456 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 18457 ArraySet<CrossProfileIntentFilter> set = 18458 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 18459 for (CrossProfileIntentFilter filter : set) { 18460 if (filter.getOwnerPackage().equals(ownerPackage)) { 18461 resolver.removeFilter(filter); 18462 } 18463 } 18464 scheduleWritePackageRestrictionsLocked(sourceUserId); 18465 } 18466 } 18467 18468 // Enforcing that callingUid is owning pkg on userId 18469 private void enforceOwnerRights(String pkg, int callingUid) { 18470 // The system owns everything. 18471 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 18472 return; 18473 } 18474 int callingUserId = UserHandle.getUserId(callingUid); 18475 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 18476 if (pi == null) { 18477 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 18478 + callingUserId); 18479 } 18480 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 18481 throw new SecurityException("Calling uid " + callingUid 18482 + " does not own package " + pkg); 18483 } 18484 } 18485 18486 @Override 18487 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 18488 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 18489 } 18490 18491 private Intent getHomeIntent() { 18492 Intent intent = new Intent(Intent.ACTION_MAIN); 18493 intent.addCategory(Intent.CATEGORY_HOME); 18494 intent.addCategory(Intent.CATEGORY_DEFAULT); 18495 return intent; 18496 } 18497 18498 private IntentFilter getHomeFilter() { 18499 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 18500 filter.addCategory(Intent.CATEGORY_HOME); 18501 filter.addCategory(Intent.CATEGORY_DEFAULT); 18502 return filter; 18503 } 18504 18505 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 18506 int userId) { 18507 Intent intent = getHomeIntent(); 18508 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 18509 PackageManager.GET_META_DATA, userId); 18510 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 18511 true, false, false, userId); 18512 18513 allHomeCandidates.clear(); 18514 if (list != null) { 18515 for (ResolveInfo ri : list) { 18516 allHomeCandidates.add(ri); 18517 } 18518 } 18519 return (preferred == null || preferred.activityInfo == null) 18520 ? null 18521 : new ComponentName(preferred.activityInfo.packageName, 18522 preferred.activityInfo.name); 18523 } 18524 18525 @Override 18526 public void setHomeActivity(ComponentName comp, int userId) { 18527 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 18528 getHomeActivitiesAsUser(homeActivities, userId); 18529 18530 boolean found = false; 18531 18532 final int size = homeActivities.size(); 18533 final ComponentName[] set = new ComponentName[size]; 18534 for (int i = 0; i < size; i++) { 18535 final ResolveInfo candidate = homeActivities.get(i); 18536 final ActivityInfo info = candidate.activityInfo; 18537 final ComponentName activityName = new ComponentName(info.packageName, info.name); 18538 set[i] = activityName; 18539 if (!found && activityName.equals(comp)) { 18540 found = true; 18541 } 18542 } 18543 if (!found) { 18544 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 18545 + userId); 18546 } 18547 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 18548 set, comp, userId); 18549 } 18550 18551 private @Nullable String getSetupWizardPackageName() { 18552 final Intent intent = new Intent(Intent.ACTION_MAIN); 18553 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 18554 18555 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18556 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18557 | MATCH_DISABLED_COMPONENTS, 18558 UserHandle.myUserId()); 18559 if (matches.size() == 1) { 18560 return matches.get(0).getComponentInfo().packageName; 18561 } else { 18562 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 18563 + ": matches=" + matches); 18564 return null; 18565 } 18566 } 18567 18568 private @Nullable String getStorageManagerPackageName() { 18569 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 18570 18571 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18572 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18573 | MATCH_DISABLED_COMPONENTS, 18574 UserHandle.myUserId()); 18575 if (matches.size() == 1) { 18576 return matches.get(0).getComponentInfo().packageName; 18577 } else { 18578 Slog.e(TAG, "There should probably be exactly one storage manager; found " 18579 + matches.size() + ": matches=" + matches); 18580 return null; 18581 } 18582 } 18583 18584 @Override 18585 public void setApplicationEnabledSetting(String appPackageName, 18586 int newState, int flags, int userId, String callingPackage) { 18587 if (!sUserManager.exists(userId)) return; 18588 if (callingPackage == null) { 18589 callingPackage = Integer.toString(Binder.getCallingUid()); 18590 } 18591 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 18592 } 18593 18594 @Override 18595 public void setComponentEnabledSetting(ComponentName componentName, 18596 int newState, int flags, int userId) { 18597 if (!sUserManager.exists(userId)) return; 18598 setEnabledSetting(componentName.getPackageName(), 18599 componentName.getClassName(), newState, flags, userId, null); 18600 } 18601 18602 private void setEnabledSetting(final String packageName, String className, int newState, 18603 final int flags, int userId, String callingPackage) { 18604 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 18605 || newState == COMPONENT_ENABLED_STATE_ENABLED 18606 || newState == COMPONENT_ENABLED_STATE_DISABLED 18607 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18608 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 18609 throw new IllegalArgumentException("Invalid new component state: " 18610 + newState); 18611 } 18612 PackageSetting pkgSetting; 18613 final int uid = Binder.getCallingUid(); 18614 final int permission; 18615 if (uid == Process.SYSTEM_UID) { 18616 permission = PackageManager.PERMISSION_GRANTED; 18617 } else { 18618 permission = mContext.checkCallingOrSelfPermission( 18619 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18620 } 18621 enforceCrossUserPermission(uid, userId, 18622 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18623 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18624 boolean sendNow = false; 18625 boolean isApp = (className == null); 18626 String componentName = isApp ? packageName : className; 18627 int packageUid = -1; 18628 ArrayList<String> components; 18629 18630 // writer 18631 synchronized (mPackages) { 18632 pkgSetting = mSettings.mPackages.get(packageName); 18633 if (pkgSetting == null) { 18634 if (className == null) { 18635 throw new IllegalArgumentException("Unknown package: " + packageName); 18636 } 18637 throw new IllegalArgumentException( 18638 "Unknown component: " + packageName + "/" + className); 18639 } 18640 } 18641 18642 // Limit who can change which apps 18643 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18644 // Don't allow apps that don't have permission to modify other apps 18645 if (!allowedByPermission) { 18646 throw new SecurityException( 18647 "Permission Denial: attempt to change component state from pid=" 18648 + Binder.getCallingPid() 18649 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18650 } 18651 // Don't allow changing protected packages. 18652 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18653 throw new SecurityException("Cannot disable a protected package: " + packageName); 18654 } 18655 } 18656 18657 synchronized (mPackages) { 18658 if (uid == Process.SHELL_UID 18659 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 18660 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18661 // unless it is a test package. 18662 int oldState = pkgSetting.getEnabled(userId); 18663 if (className == null 18664 && 18665 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18666 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18667 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18668 && 18669 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18670 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18671 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18672 // ok 18673 } else { 18674 throw new SecurityException( 18675 "Shell cannot change component state for " + packageName + "/" 18676 + className + " to " + newState); 18677 } 18678 } 18679 if (className == null) { 18680 // We're dealing with an application/package level state change 18681 if (pkgSetting.getEnabled(userId) == newState) { 18682 // Nothing to do 18683 return; 18684 } 18685 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18686 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18687 // Don't care about who enables an app. 18688 callingPackage = null; 18689 } 18690 pkgSetting.setEnabled(newState, userId, callingPackage); 18691 // pkgSetting.pkg.mSetEnabled = newState; 18692 } else { 18693 // We're dealing with a component level state change 18694 // First, verify that this is a valid class name. 18695 PackageParser.Package pkg = pkgSetting.pkg; 18696 if (pkg == null || !pkg.hasComponentClassName(className)) { 18697 if (pkg != null && 18698 pkg.applicationInfo.targetSdkVersion >= 18699 Build.VERSION_CODES.JELLY_BEAN) { 18700 throw new IllegalArgumentException("Component class " + className 18701 + " does not exist in " + packageName); 18702 } else { 18703 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18704 + className + " does not exist in " + packageName); 18705 } 18706 } 18707 switch (newState) { 18708 case COMPONENT_ENABLED_STATE_ENABLED: 18709 if (!pkgSetting.enableComponentLPw(className, userId)) { 18710 return; 18711 } 18712 break; 18713 case COMPONENT_ENABLED_STATE_DISABLED: 18714 if (!pkgSetting.disableComponentLPw(className, userId)) { 18715 return; 18716 } 18717 break; 18718 case COMPONENT_ENABLED_STATE_DEFAULT: 18719 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18720 return; 18721 } 18722 break; 18723 default: 18724 Slog.e(TAG, "Invalid new component state: " + newState); 18725 return; 18726 } 18727 } 18728 scheduleWritePackageRestrictionsLocked(userId); 18729 components = mPendingBroadcasts.get(userId, packageName); 18730 final boolean newPackage = components == null; 18731 if (newPackage) { 18732 components = new ArrayList<String>(); 18733 } 18734 if (!components.contains(componentName)) { 18735 components.add(componentName); 18736 } 18737 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18738 sendNow = true; 18739 // Purge entry from pending broadcast list if another one exists already 18740 // since we are sending one right away. 18741 mPendingBroadcasts.remove(userId, packageName); 18742 } else { 18743 if (newPackage) { 18744 mPendingBroadcasts.put(userId, packageName, components); 18745 } 18746 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18747 // Schedule a message 18748 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18749 } 18750 } 18751 } 18752 18753 long callingId = Binder.clearCallingIdentity(); 18754 try { 18755 if (sendNow) { 18756 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18757 sendPackageChangedBroadcast(packageName, 18758 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18759 } 18760 } finally { 18761 Binder.restoreCallingIdentity(callingId); 18762 } 18763 } 18764 18765 @Override 18766 public void flushPackageRestrictionsAsUser(int userId) { 18767 if (!sUserManager.exists(userId)) { 18768 return; 18769 } 18770 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18771 false /* checkShell */, "flushPackageRestrictions"); 18772 synchronized (mPackages) { 18773 mSettings.writePackageRestrictionsLPr(userId); 18774 mDirtyUsers.remove(userId); 18775 if (mDirtyUsers.isEmpty()) { 18776 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18777 } 18778 } 18779 } 18780 18781 private void sendPackageChangedBroadcast(String packageName, 18782 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18783 if (DEBUG_INSTALL) 18784 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18785 + componentNames); 18786 Bundle extras = new Bundle(4); 18787 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18788 String nameList[] = new String[componentNames.size()]; 18789 componentNames.toArray(nameList); 18790 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18791 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18792 extras.putInt(Intent.EXTRA_UID, packageUid); 18793 // If this is not reporting a change of the overall package, then only send it 18794 // to registered receivers. We don't want to launch a swath of apps for every 18795 // little component state change. 18796 final int flags = !componentNames.contains(packageName) 18797 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18798 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18799 new int[] {UserHandle.getUserId(packageUid)}); 18800 } 18801 18802 @Override 18803 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18804 if (!sUserManager.exists(userId)) return; 18805 final int uid = Binder.getCallingUid(); 18806 final int permission = mContext.checkCallingOrSelfPermission( 18807 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18808 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18809 enforceCrossUserPermission(uid, userId, 18810 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18811 // writer 18812 synchronized (mPackages) { 18813 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18814 allowedByPermission, uid, userId)) { 18815 scheduleWritePackageRestrictionsLocked(userId); 18816 } 18817 } 18818 } 18819 18820 @Override 18821 public String getInstallerPackageName(String packageName) { 18822 // reader 18823 synchronized (mPackages) { 18824 return mSettings.getInstallerPackageNameLPr(packageName); 18825 } 18826 } 18827 18828 public boolean isOrphaned(String packageName) { 18829 // reader 18830 synchronized (mPackages) { 18831 return mSettings.isOrphaned(packageName); 18832 } 18833 } 18834 18835 @Override 18836 public int getApplicationEnabledSetting(String packageName, int userId) { 18837 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18838 int uid = Binder.getCallingUid(); 18839 enforceCrossUserPermission(uid, userId, 18840 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18841 // reader 18842 synchronized (mPackages) { 18843 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18844 } 18845 } 18846 18847 @Override 18848 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18849 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18850 int uid = Binder.getCallingUid(); 18851 enforceCrossUserPermission(uid, userId, 18852 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18853 // reader 18854 synchronized (mPackages) { 18855 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18856 } 18857 } 18858 18859 @Override 18860 public void enterSafeMode() { 18861 enforceSystemOrRoot("Only the system can request entering safe mode"); 18862 18863 if (!mSystemReady) { 18864 mSafeMode = true; 18865 } 18866 } 18867 18868 @Override 18869 public void systemReady() { 18870 mSystemReady = true; 18871 18872 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18873 // disabled after already being started. 18874 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18875 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18876 18877 // Read the compatibilty setting when the system is ready. 18878 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18879 mContext.getContentResolver(), 18880 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18881 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18882 if (DEBUG_SETTINGS) { 18883 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18884 } 18885 18886 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18887 18888 synchronized (mPackages) { 18889 // Verify that all of the preferred activity components actually 18890 // exist. It is possible for applications to be updated and at 18891 // that point remove a previously declared activity component that 18892 // had been set as a preferred activity. We try to clean this up 18893 // the next time we encounter that preferred activity, but it is 18894 // possible for the user flow to never be able to return to that 18895 // situation so here we do a sanity check to make sure we haven't 18896 // left any junk around. 18897 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18898 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18899 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18900 removed.clear(); 18901 for (PreferredActivity pa : pir.filterSet()) { 18902 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18903 removed.add(pa); 18904 } 18905 } 18906 if (removed.size() > 0) { 18907 for (int r=0; r<removed.size(); r++) { 18908 PreferredActivity pa = removed.get(r); 18909 Slog.w(TAG, "Removing dangling preferred activity: " 18910 + pa.mPref.mComponent); 18911 pir.removeFilter(pa); 18912 } 18913 mSettings.writePackageRestrictionsLPr( 18914 mSettings.mPreferredActivities.keyAt(i)); 18915 } 18916 } 18917 18918 for (int userId : UserManagerService.getInstance().getUserIds()) { 18919 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18920 grantPermissionsUserIds = ArrayUtils.appendInt( 18921 grantPermissionsUserIds, userId); 18922 } 18923 } 18924 } 18925 sUserManager.systemReady(); 18926 18927 // If we upgraded grant all default permissions before kicking off. 18928 for (int userId : grantPermissionsUserIds) { 18929 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18930 } 18931 18932 // If we did not grant default permissions, we preload from this the 18933 // default permission exceptions lazily to ensure we don't hit the 18934 // disk on a new user creation. 18935 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 18936 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 18937 } 18938 18939 // Kick off any messages waiting for system ready 18940 if (mPostSystemReadyMessages != null) { 18941 for (Message msg : mPostSystemReadyMessages) { 18942 msg.sendToTarget(); 18943 } 18944 mPostSystemReadyMessages = null; 18945 } 18946 18947 // Watch for external volumes that come and go over time 18948 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18949 storage.registerListener(mStorageListener); 18950 18951 mInstallerService.systemReady(); 18952 mPackageDexOptimizer.systemReady(); 18953 18954 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 18955 StorageManagerInternal.class); 18956 StorageManagerInternal.addExternalStoragePolicy( 18957 new StorageManagerInternal.ExternalStorageMountPolicy() { 18958 @Override 18959 public int getMountMode(int uid, String packageName) { 18960 if (Process.isIsolated(uid)) { 18961 return Zygote.MOUNT_EXTERNAL_NONE; 18962 } 18963 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18964 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18965 } 18966 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18967 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18968 } 18969 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18970 return Zygote.MOUNT_EXTERNAL_READ; 18971 } 18972 return Zygote.MOUNT_EXTERNAL_WRITE; 18973 } 18974 18975 @Override 18976 public boolean hasExternalStorage(int uid, String packageName) { 18977 return true; 18978 } 18979 }); 18980 18981 // Now that we're mostly running, clean up stale users and apps 18982 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18983 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18984 } 18985 18986 @Override 18987 public boolean isSafeMode() { 18988 return mSafeMode; 18989 } 18990 18991 @Override 18992 public boolean hasSystemUidErrors() { 18993 return mHasSystemUidErrors; 18994 } 18995 18996 static String arrayToString(int[] array) { 18997 StringBuffer buf = new StringBuffer(128); 18998 buf.append('['); 18999 if (array != null) { 19000 for (int i=0; i<array.length; i++) { 19001 if (i > 0) buf.append(", "); 19002 buf.append(array[i]); 19003 } 19004 } 19005 buf.append(']'); 19006 return buf.toString(); 19007 } 19008 19009 static class DumpState { 19010 public static final int DUMP_LIBS = 1 << 0; 19011 public static final int DUMP_FEATURES = 1 << 1; 19012 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 19013 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 19014 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 19015 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 19016 public static final int DUMP_PERMISSIONS = 1 << 6; 19017 public static final int DUMP_PACKAGES = 1 << 7; 19018 public static final int DUMP_SHARED_USERS = 1 << 8; 19019 public static final int DUMP_MESSAGES = 1 << 9; 19020 public static final int DUMP_PROVIDERS = 1 << 10; 19021 public static final int DUMP_VERIFIERS = 1 << 11; 19022 public static final int DUMP_PREFERRED = 1 << 12; 19023 public static final int DUMP_PREFERRED_XML = 1 << 13; 19024 public static final int DUMP_KEYSETS = 1 << 14; 19025 public static final int DUMP_VERSION = 1 << 15; 19026 public static final int DUMP_INSTALLS = 1 << 16; 19027 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 19028 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 19029 public static final int DUMP_FROZEN = 1 << 19; 19030 public static final int DUMP_DEXOPT = 1 << 20; 19031 public static final int DUMP_COMPILER_STATS = 1 << 21; 19032 19033 public static final int OPTION_SHOW_FILTERS = 1 << 0; 19034 19035 private int mTypes; 19036 19037 private int mOptions; 19038 19039 private boolean mTitlePrinted; 19040 19041 private SharedUserSetting mSharedUser; 19042 19043 public boolean isDumping(int type) { 19044 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 19045 return true; 19046 } 19047 19048 return (mTypes & type) != 0; 19049 } 19050 19051 public void setDump(int type) { 19052 mTypes |= type; 19053 } 19054 19055 public boolean isOptionEnabled(int option) { 19056 return (mOptions & option) != 0; 19057 } 19058 19059 public void setOptionEnabled(int option) { 19060 mOptions |= option; 19061 } 19062 19063 public boolean onTitlePrinted() { 19064 final boolean printed = mTitlePrinted; 19065 mTitlePrinted = true; 19066 return printed; 19067 } 19068 19069 public boolean getTitlePrinted() { 19070 return mTitlePrinted; 19071 } 19072 19073 public void setTitlePrinted(boolean enabled) { 19074 mTitlePrinted = enabled; 19075 } 19076 19077 public SharedUserSetting getSharedUser() { 19078 return mSharedUser; 19079 } 19080 19081 public void setSharedUser(SharedUserSetting user) { 19082 mSharedUser = user; 19083 } 19084 } 19085 19086 @Override 19087 public void onShellCommand(FileDescriptor in, FileDescriptor out, 19088 FileDescriptor err, String[] args, ShellCallback callback, 19089 ResultReceiver resultReceiver) { 19090 (new PackageManagerShellCommand(this)).exec( 19091 this, in, out, err, args, callback, resultReceiver); 19092 } 19093 19094 @Override 19095 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 19096 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 19097 != PackageManager.PERMISSION_GRANTED) { 19098 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 19099 + Binder.getCallingPid() 19100 + ", uid=" + Binder.getCallingUid() 19101 + " without permission " 19102 + android.Manifest.permission.DUMP); 19103 return; 19104 } 19105 19106 DumpState dumpState = new DumpState(); 19107 boolean fullPreferred = false; 19108 boolean checkin = false; 19109 19110 String packageName = null; 19111 ArraySet<String> permissionNames = null; 19112 19113 int opti = 0; 19114 while (opti < args.length) { 19115 String opt = args[opti]; 19116 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 19117 break; 19118 } 19119 opti++; 19120 19121 if ("-a".equals(opt)) { 19122 // Right now we only know how to print all. 19123 } else if ("-h".equals(opt)) { 19124 pw.println("Package manager dump options:"); 19125 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 19126 pw.println(" --checkin: dump for a checkin"); 19127 pw.println(" -f: print details of intent filters"); 19128 pw.println(" -h: print this help"); 19129 pw.println(" cmd may be one of:"); 19130 pw.println(" l[ibraries]: list known shared libraries"); 19131 pw.println(" f[eatures]: list device features"); 19132 pw.println(" k[eysets]: print known keysets"); 19133 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 19134 pw.println(" perm[issions]: dump permissions"); 19135 pw.println(" permission [name ...]: dump declaration and use of given permission"); 19136 pw.println(" pref[erred]: print preferred package settings"); 19137 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 19138 pw.println(" prov[iders]: dump content providers"); 19139 pw.println(" p[ackages]: dump installed packages"); 19140 pw.println(" s[hared-users]: dump shared user IDs"); 19141 pw.println(" m[essages]: print collected runtime messages"); 19142 pw.println(" v[erifiers]: print package verifier info"); 19143 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 19144 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 19145 pw.println(" version: print database version info"); 19146 pw.println(" write: write current settings now"); 19147 pw.println(" installs: details about install sessions"); 19148 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 19149 pw.println(" dexopt: dump dexopt state"); 19150 pw.println(" compiler-stats: dump compiler statistics"); 19151 pw.println(" <package.name>: info about given package"); 19152 return; 19153 } else if ("--checkin".equals(opt)) { 19154 checkin = true; 19155 } else if ("-f".equals(opt)) { 19156 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 19157 } else { 19158 pw.println("Unknown argument: " + opt + "; use -h for help"); 19159 } 19160 } 19161 19162 // Is the caller requesting to dump a particular piece of data? 19163 if (opti < args.length) { 19164 String cmd = args[opti]; 19165 opti++; 19166 // Is this a package name? 19167 if ("android".equals(cmd) || cmd.contains(".")) { 19168 packageName = cmd; 19169 // When dumping a single package, we always dump all of its 19170 // filter information since the amount of data will be reasonable. 19171 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 19172 } else if ("check-permission".equals(cmd)) { 19173 if (opti >= args.length) { 19174 pw.println("Error: check-permission missing permission argument"); 19175 return; 19176 } 19177 String perm = args[opti]; 19178 opti++; 19179 if (opti >= args.length) { 19180 pw.println("Error: check-permission missing package argument"); 19181 return; 19182 } 19183 String pkg = args[opti]; 19184 opti++; 19185 int user = UserHandle.getUserId(Binder.getCallingUid()); 19186 if (opti < args.length) { 19187 try { 19188 user = Integer.parseInt(args[opti]); 19189 } catch (NumberFormatException e) { 19190 pw.println("Error: check-permission user argument is not a number: " 19191 + args[opti]); 19192 return; 19193 } 19194 } 19195 pw.println(checkPermission(perm, pkg, user)); 19196 return; 19197 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 19198 dumpState.setDump(DumpState.DUMP_LIBS); 19199 } else if ("f".equals(cmd) || "features".equals(cmd)) { 19200 dumpState.setDump(DumpState.DUMP_FEATURES); 19201 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 19202 if (opti >= args.length) { 19203 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 19204 | DumpState.DUMP_SERVICE_RESOLVERS 19205 | DumpState.DUMP_RECEIVER_RESOLVERS 19206 | DumpState.DUMP_CONTENT_RESOLVERS); 19207 } else { 19208 while (opti < args.length) { 19209 String name = args[opti]; 19210 if ("a".equals(name) || "activity".equals(name)) { 19211 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 19212 } else if ("s".equals(name) || "service".equals(name)) { 19213 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 19214 } else if ("r".equals(name) || "receiver".equals(name)) { 19215 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 19216 } else if ("c".equals(name) || "content".equals(name)) { 19217 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 19218 } else { 19219 pw.println("Error: unknown resolver table type: " + name); 19220 return; 19221 } 19222 opti++; 19223 } 19224 } 19225 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 19226 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 19227 } else if ("permission".equals(cmd)) { 19228 if (opti >= args.length) { 19229 pw.println("Error: permission requires permission name"); 19230 return; 19231 } 19232 permissionNames = new ArraySet<>(); 19233 while (opti < args.length) { 19234 permissionNames.add(args[opti]); 19235 opti++; 19236 } 19237 dumpState.setDump(DumpState.DUMP_PERMISSIONS 19238 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 19239 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 19240 dumpState.setDump(DumpState.DUMP_PREFERRED); 19241 } else if ("preferred-xml".equals(cmd)) { 19242 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 19243 if (opti < args.length && "--full".equals(args[opti])) { 19244 fullPreferred = true; 19245 opti++; 19246 } 19247 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 19248 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 19249 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 19250 dumpState.setDump(DumpState.DUMP_PACKAGES); 19251 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 19252 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 19253 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 19254 dumpState.setDump(DumpState.DUMP_PROVIDERS); 19255 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 19256 dumpState.setDump(DumpState.DUMP_MESSAGES); 19257 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 19258 dumpState.setDump(DumpState.DUMP_VERIFIERS); 19259 } else if ("i".equals(cmd) || "ifv".equals(cmd) 19260 || "intent-filter-verifiers".equals(cmd)) { 19261 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 19262 } else if ("version".equals(cmd)) { 19263 dumpState.setDump(DumpState.DUMP_VERSION); 19264 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 19265 dumpState.setDump(DumpState.DUMP_KEYSETS); 19266 } else if ("installs".equals(cmd)) { 19267 dumpState.setDump(DumpState.DUMP_INSTALLS); 19268 } else if ("frozen".equals(cmd)) { 19269 dumpState.setDump(DumpState.DUMP_FROZEN); 19270 } else if ("dexopt".equals(cmd)) { 19271 dumpState.setDump(DumpState.DUMP_DEXOPT); 19272 } else if ("compiler-stats".equals(cmd)) { 19273 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 19274 } else if ("write".equals(cmd)) { 19275 synchronized (mPackages) { 19276 mSettings.writeLPr(); 19277 pw.println("Settings written."); 19278 return; 19279 } 19280 } 19281 } 19282 19283 if (checkin) { 19284 pw.println("vers,1"); 19285 } 19286 19287 // reader 19288 synchronized (mPackages) { 19289 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 19290 if (!checkin) { 19291 if (dumpState.onTitlePrinted()) 19292 pw.println(); 19293 pw.println("Database versions:"); 19294 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 19295 } 19296 } 19297 19298 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 19299 if (!checkin) { 19300 if (dumpState.onTitlePrinted()) 19301 pw.println(); 19302 pw.println("Verifiers:"); 19303 pw.print(" Required: "); 19304 pw.print(mRequiredVerifierPackage); 19305 pw.print(" (uid="); 19306 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 19307 UserHandle.USER_SYSTEM)); 19308 pw.println(")"); 19309 } else if (mRequiredVerifierPackage != null) { 19310 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 19311 pw.print(","); 19312 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 19313 UserHandle.USER_SYSTEM)); 19314 } 19315 } 19316 19317 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 19318 packageName == null) { 19319 if (mIntentFilterVerifierComponent != null) { 19320 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 19321 if (!checkin) { 19322 if (dumpState.onTitlePrinted()) 19323 pw.println(); 19324 pw.println("Intent Filter Verifier:"); 19325 pw.print(" Using: "); 19326 pw.print(verifierPackageName); 19327 pw.print(" (uid="); 19328 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 19329 UserHandle.USER_SYSTEM)); 19330 pw.println(")"); 19331 } else if (verifierPackageName != null) { 19332 pw.print("ifv,"); pw.print(verifierPackageName); 19333 pw.print(","); 19334 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 19335 UserHandle.USER_SYSTEM)); 19336 } 19337 } else { 19338 pw.println(); 19339 pw.println("No Intent Filter Verifier available!"); 19340 } 19341 } 19342 19343 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 19344 boolean printedHeader = false; 19345 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 19346 while (it.hasNext()) { 19347 String name = it.next(); 19348 SharedLibraryEntry ent = mSharedLibraries.get(name); 19349 if (!checkin) { 19350 if (!printedHeader) { 19351 if (dumpState.onTitlePrinted()) 19352 pw.println(); 19353 pw.println("Libraries:"); 19354 printedHeader = true; 19355 } 19356 pw.print(" "); 19357 } else { 19358 pw.print("lib,"); 19359 } 19360 pw.print(name); 19361 if (!checkin) { 19362 pw.print(" -> "); 19363 } 19364 if (ent.path != null) { 19365 if (!checkin) { 19366 pw.print("(jar) "); 19367 pw.print(ent.path); 19368 } else { 19369 pw.print(",jar,"); 19370 pw.print(ent.path); 19371 } 19372 } else { 19373 if (!checkin) { 19374 pw.print("(apk) "); 19375 pw.print(ent.apk); 19376 } else { 19377 pw.print(",apk,"); 19378 pw.print(ent.apk); 19379 } 19380 } 19381 pw.println(); 19382 } 19383 } 19384 19385 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 19386 if (dumpState.onTitlePrinted()) 19387 pw.println(); 19388 if (!checkin) { 19389 pw.println("Features:"); 19390 } 19391 19392 for (FeatureInfo feat : mAvailableFeatures.values()) { 19393 if (checkin) { 19394 pw.print("feat,"); 19395 pw.print(feat.name); 19396 pw.print(","); 19397 pw.println(feat.version); 19398 } else { 19399 pw.print(" "); 19400 pw.print(feat.name); 19401 if (feat.version > 0) { 19402 pw.print(" version="); 19403 pw.print(feat.version); 19404 } 19405 pw.println(); 19406 } 19407 } 19408 } 19409 19410 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 19411 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 19412 : "Activity Resolver Table:", " ", packageName, 19413 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19414 dumpState.setTitlePrinted(true); 19415 } 19416 } 19417 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 19418 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 19419 : "Receiver Resolver Table:", " ", packageName, 19420 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19421 dumpState.setTitlePrinted(true); 19422 } 19423 } 19424 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 19425 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 19426 : "Service Resolver Table:", " ", packageName, 19427 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19428 dumpState.setTitlePrinted(true); 19429 } 19430 } 19431 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 19432 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 19433 : "Provider Resolver Table:", " ", packageName, 19434 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19435 dumpState.setTitlePrinted(true); 19436 } 19437 } 19438 19439 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 19440 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19441 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19442 int user = mSettings.mPreferredActivities.keyAt(i); 19443 if (pir.dump(pw, 19444 dumpState.getTitlePrinted() 19445 ? "\nPreferred Activities User " + user + ":" 19446 : "Preferred Activities User " + user + ":", " ", 19447 packageName, true, false)) { 19448 dumpState.setTitlePrinted(true); 19449 } 19450 } 19451 } 19452 19453 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 19454 pw.flush(); 19455 FileOutputStream fout = new FileOutputStream(fd); 19456 BufferedOutputStream str = new BufferedOutputStream(fout); 19457 XmlSerializer serializer = new FastXmlSerializer(); 19458 try { 19459 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 19460 serializer.startDocument(null, true); 19461 serializer.setFeature( 19462 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 19463 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 19464 serializer.endDocument(); 19465 serializer.flush(); 19466 } catch (IllegalArgumentException e) { 19467 pw.println("Failed writing: " + e); 19468 } catch (IllegalStateException e) { 19469 pw.println("Failed writing: " + e); 19470 } catch (IOException e) { 19471 pw.println("Failed writing: " + e); 19472 } 19473 } 19474 19475 if (!checkin 19476 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 19477 && packageName == null) { 19478 pw.println(); 19479 int count = mSettings.mPackages.size(); 19480 if (count == 0) { 19481 pw.println("No applications!"); 19482 pw.println(); 19483 } else { 19484 final String prefix = " "; 19485 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 19486 if (allPackageSettings.size() == 0) { 19487 pw.println("No domain preferred apps!"); 19488 pw.println(); 19489 } else { 19490 pw.println("App verification status:"); 19491 pw.println(); 19492 count = 0; 19493 for (PackageSetting ps : allPackageSettings) { 19494 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 19495 if (ivi == null || ivi.getPackageName() == null) continue; 19496 pw.println(prefix + "Package: " + ivi.getPackageName()); 19497 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 19498 pw.println(prefix + "Status: " + ivi.getStatusString()); 19499 pw.println(); 19500 count++; 19501 } 19502 if (count == 0) { 19503 pw.println(prefix + "No app verification established."); 19504 pw.println(); 19505 } 19506 for (int userId : sUserManager.getUserIds()) { 19507 pw.println("App linkages for user " + userId + ":"); 19508 pw.println(); 19509 count = 0; 19510 for (PackageSetting ps : allPackageSettings) { 19511 final long status = ps.getDomainVerificationStatusForUser(userId); 19512 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 19513 continue; 19514 } 19515 pw.println(prefix + "Package: " + ps.name); 19516 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 19517 String statusStr = IntentFilterVerificationInfo. 19518 getStatusStringFromValue(status); 19519 pw.println(prefix + "Status: " + statusStr); 19520 pw.println(); 19521 count++; 19522 } 19523 if (count == 0) { 19524 pw.println(prefix + "No configured app linkages."); 19525 pw.println(); 19526 } 19527 } 19528 } 19529 } 19530 } 19531 19532 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 19533 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 19534 if (packageName == null && permissionNames == null) { 19535 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 19536 if (iperm == 0) { 19537 if (dumpState.onTitlePrinted()) 19538 pw.println(); 19539 pw.println("AppOp Permissions:"); 19540 } 19541 pw.print(" AppOp Permission "); 19542 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 19543 pw.println(":"); 19544 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 19545 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 19546 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 19547 } 19548 } 19549 } 19550 } 19551 19552 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 19553 boolean printedSomething = false; 19554 for (PackageParser.Provider p : mProviders.mProviders.values()) { 19555 if (packageName != null && !packageName.equals(p.info.packageName)) { 19556 continue; 19557 } 19558 if (!printedSomething) { 19559 if (dumpState.onTitlePrinted()) 19560 pw.println(); 19561 pw.println("Registered ContentProviders:"); 19562 printedSomething = true; 19563 } 19564 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 19565 pw.print(" "); pw.println(p.toString()); 19566 } 19567 printedSomething = false; 19568 for (Map.Entry<String, PackageParser.Provider> entry : 19569 mProvidersByAuthority.entrySet()) { 19570 PackageParser.Provider p = entry.getValue(); 19571 if (packageName != null && !packageName.equals(p.info.packageName)) { 19572 continue; 19573 } 19574 if (!printedSomething) { 19575 if (dumpState.onTitlePrinted()) 19576 pw.println(); 19577 pw.println("ContentProvider Authorities:"); 19578 printedSomething = true; 19579 } 19580 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 19581 pw.print(" "); pw.println(p.toString()); 19582 if (p.info != null && p.info.applicationInfo != null) { 19583 final String appInfo = p.info.applicationInfo.toString(); 19584 pw.print(" applicationInfo="); pw.println(appInfo); 19585 } 19586 } 19587 } 19588 19589 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 19590 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 19591 } 19592 19593 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 19594 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 19595 } 19596 19597 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 19598 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 19599 } 19600 19601 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 19602 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 19603 } 19604 19605 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 19606 // XXX should handle packageName != null by dumping only install data that 19607 // the given package is involved with. 19608 if (dumpState.onTitlePrinted()) pw.println(); 19609 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 19610 } 19611 19612 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 19613 // XXX should handle packageName != null by dumping only install data that 19614 // the given package is involved with. 19615 if (dumpState.onTitlePrinted()) pw.println(); 19616 19617 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19618 ipw.println(); 19619 ipw.println("Frozen packages:"); 19620 ipw.increaseIndent(); 19621 if (mFrozenPackages.size() == 0) { 19622 ipw.println("(none)"); 19623 } else { 19624 for (int i = 0; i < mFrozenPackages.size(); i++) { 19625 ipw.println(mFrozenPackages.valueAt(i)); 19626 } 19627 } 19628 ipw.decreaseIndent(); 19629 } 19630 19631 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19632 if (dumpState.onTitlePrinted()) pw.println(); 19633 dumpDexoptStateLPr(pw, packageName); 19634 } 19635 19636 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19637 if (dumpState.onTitlePrinted()) pw.println(); 19638 dumpCompilerStatsLPr(pw, packageName); 19639 } 19640 19641 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19642 if (dumpState.onTitlePrinted()) pw.println(); 19643 mSettings.dumpReadMessagesLPr(pw, dumpState); 19644 19645 pw.println(); 19646 pw.println("Package warning messages:"); 19647 BufferedReader in = null; 19648 String line = null; 19649 try { 19650 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19651 while ((line = in.readLine()) != null) { 19652 if (line.contains("ignored: updated version")) continue; 19653 pw.println(line); 19654 } 19655 } catch (IOException ignored) { 19656 } finally { 19657 IoUtils.closeQuietly(in); 19658 } 19659 } 19660 19661 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19662 BufferedReader in = null; 19663 String line = null; 19664 try { 19665 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19666 while ((line = in.readLine()) != null) { 19667 if (line.contains("ignored: updated version")) continue; 19668 pw.print("msg,"); 19669 pw.println(line); 19670 } 19671 } catch (IOException ignored) { 19672 } finally { 19673 IoUtils.closeQuietly(in); 19674 } 19675 } 19676 } 19677 } 19678 19679 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19680 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19681 ipw.println(); 19682 ipw.println("Dexopt state:"); 19683 ipw.increaseIndent(); 19684 Collection<PackageParser.Package> packages = null; 19685 if (packageName != null) { 19686 PackageParser.Package targetPackage = mPackages.get(packageName); 19687 if (targetPackage != null) { 19688 packages = Collections.singletonList(targetPackage); 19689 } else { 19690 ipw.println("Unable to find package: " + packageName); 19691 return; 19692 } 19693 } else { 19694 packages = mPackages.values(); 19695 } 19696 19697 for (PackageParser.Package pkg : packages) { 19698 ipw.println("[" + pkg.packageName + "]"); 19699 ipw.increaseIndent(); 19700 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19701 ipw.decreaseIndent(); 19702 } 19703 } 19704 19705 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19706 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19707 ipw.println(); 19708 ipw.println("Compiler stats:"); 19709 ipw.increaseIndent(); 19710 Collection<PackageParser.Package> packages = null; 19711 if (packageName != null) { 19712 PackageParser.Package targetPackage = mPackages.get(packageName); 19713 if (targetPackage != null) { 19714 packages = Collections.singletonList(targetPackage); 19715 } else { 19716 ipw.println("Unable to find package: " + packageName); 19717 return; 19718 } 19719 } else { 19720 packages = mPackages.values(); 19721 } 19722 19723 for (PackageParser.Package pkg : packages) { 19724 ipw.println("[" + pkg.packageName + "]"); 19725 ipw.increaseIndent(); 19726 19727 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19728 if (stats == null) { 19729 ipw.println("(No recorded stats)"); 19730 } else { 19731 stats.dump(ipw); 19732 } 19733 ipw.decreaseIndent(); 19734 } 19735 } 19736 19737 private String dumpDomainString(String packageName) { 19738 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19739 .getList(); 19740 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19741 19742 ArraySet<String> result = new ArraySet<>(); 19743 if (iviList.size() > 0) { 19744 for (IntentFilterVerificationInfo ivi : iviList) { 19745 for (String host : ivi.getDomains()) { 19746 result.add(host); 19747 } 19748 } 19749 } 19750 if (filters != null && filters.size() > 0) { 19751 for (IntentFilter filter : filters) { 19752 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19753 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19754 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19755 result.addAll(filter.getHostsList()); 19756 } 19757 } 19758 } 19759 19760 StringBuilder sb = new StringBuilder(result.size() * 16); 19761 for (String domain : result) { 19762 if (sb.length() > 0) sb.append(" "); 19763 sb.append(domain); 19764 } 19765 return sb.toString(); 19766 } 19767 19768 // ------- apps on sdcard specific code ------- 19769 static final boolean DEBUG_SD_INSTALL = false; 19770 19771 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19772 19773 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19774 19775 private boolean mMediaMounted = false; 19776 19777 static String getEncryptKey() { 19778 try { 19779 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19780 SD_ENCRYPTION_KEYSTORE_NAME); 19781 if (sdEncKey == null) { 19782 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19783 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19784 if (sdEncKey == null) { 19785 Slog.e(TAG, "Failed to create encryption keys"); 19786 return null; 19787 } 19788 } 19789 return sdEncKey; 19790 } catch (NoSuchAlgorithmException nsae) { 19791 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19792 return null; 19793 } catch (IOException ioe) { 19794 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19795 return null; 19796 } 19797 } 19798 19799 /* 19800 * Update media status on PackageManager. 19801 */ 19802 @Override 19803 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19804 int callingUid = Binder.getCallingUid(); 19805 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19806 throw new SecurityException("Media status can only be updated by the system"); 19807 } 19808 // reader; this apparently protects mMediaMounted, but should probably 19809 // be a different lock in that case. 19810 synchronized (mPackages) { 19811 Log.i(TAG, "Updating external media status from " 19812 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19813 + (mediaStatus ? "mounted" : "unmounted")); 19814 if (DEBUG_SD_INSTALL) 19815 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19816 + ", mMediaMounted=" + mMediaMounted); 19817 if (mediaStatus == mMediaMounted) { 19818 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19819 : 0, -1); 19820 mHandler.sendMessage(msg); 19821 return; 19822 } 19823 mMediaMounted = mediaStatus; 19824 } 19825 // Queue up an async operation since the package installation may take a 19826 // little while. 19827 mHandler.post(new Runnable() { 19828 public void run() { 19829 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19830 } 19831 }); 19832 } 19833 19834 /** 19835 * Called by StorageManagerService when the initial ASECs to scan are available. 19836 * Should block until all the ASEC containers are finished being scanned. 19837 */ 19838 public void scanAvailableAsecs() { 19839 updateExternalMediaStatusInner(true, false, false); 19840 } 19841 19842 /* 19843 * Collect information of applications on external media, map them against 19844 * existing containers and update information based on current mount status. 19845 * Please note that we always have to report status if reportStatus has been 19846 * set to true especially when unloading packages. 19847 */ 19848 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19849 boolean externalStorage) { 19850 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19851 int[] uidArr = EmptyArray.INT; 19852 19853 final String[] list = PackageHelper.getSecureContainerList(); 19854 if (ArrayUtils.isEmpty(list)) { 19855 Log.i(TAG, "No secure containers found"); 19856 } else { 19857 // Process list of secure containers and categorize them 19858 // as active or stale based on their package internal state. 19859 19860 // reader 19861 synchronized (mPackages) { 19862 for (String cid : list) { 19863 // Leave stages untouched for now; installer service owns them 19864 if (PackageInstallerService.isStageName(cid)) continue; 19865 19866 if (DEBUG_SD_INSTALL) 19867 Log.i(TAG, "Processing container " + cid); 19868 String pkgName = getAsecPackageName(cid); 19869 if (pkgName == null) { 19870 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19871 continue; 19872 } 19873 if (DEBUG_SD_INSTALL) 19874 Log.i(TAG, "Looking for pkg : " + pkgName); 19875 19876 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19877 if (ps == null) { 19878 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19879 continue; 19880 } 19881 19882 /* 19883 * Skip packages that are not external if we're unmounting 19884 * external storage. 19885 */ 19886 if (externalStorage && !isMounted && !isExternal(ps)) { 19887 continue; 19888 } 19889 19890 final AsecInstallArgs args = new AsecInstallArgs(cid, 19891 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19892 // The package status is changed only if the code path 19893 // matches between settings and the container id. 19894 if (ps.codePathString != null 19895 && ps.codePathString.startsWith(args.getCodePath())) { 19896 if (DEBUG_SD_INSTALL) { 19897 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19898 + " at code path: " + ps.codePathString); 19899 } 19900 19901 // We do have a valid package installed on sdcard 19902 processCids.put(args, ps.codePathString); 19903 final int uid = ps.appId; 19904 if (uid != -1) { 19905 uidArr = ArrayUtils.appendInt(uidArr, uid); 19906 } 19907 } else { 19908 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 19909 + ps.codePathString); 19910 } 19911 } 19912 } 19913 19914 Arrays.sort(uidArr); 19915 } 19916 19917 // Process packages with valid entries. 19918 if (isMounted) { 19919 if (DEBUG_SD_INSTALL) 19920 Log.i(TAG, "Loading packages"); 19921 loadMediaPackages(processCids, uidArr, externalStorage); 19922 startCleaningPackages(); 19923 mInstallerService.onSecureContainersAvailable(); 19924 } else { 19925 if (DEBUG_SD_INSTALL) 19926 Log.i(TAG, "Unloading packages"); 19927 unloadMediaPackages(processCids, uidArr, reportStatus); 19928 } 19929 } 19930 19931 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19932 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 19933 final int size = infos.size(); 19934 final String[] packageNames = new String[size]; 19935 final int[] packageUids = new int[size]; 19936 for (int i = 0; i < size; i++) { 19937 final ApplicationInfo info = infos.get(i); 19938 packageNames[i] = info.packageName; 19939 packageUids[i] = info.uid; 19940 } 19941 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19942 finishedReceiver); 19943 } 19944 19945 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19946 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19947 sendResourcesChangedBroadcast(mediaStatus, replacing, 19948 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19949 } 19950 19951 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19952 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19953 int size = pkgList.length; 19954 if (size > 0) { 19955 // Send broadcasts here 19956 Bundle extras = new Bundle(); 19957 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19958 if (uidArr != null) { 19959 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19960 } 19961 if (replacing) { 19962 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19963 } 19964 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19965 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19966 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19967 } 19968 } 19969 19970 /* 19971 * Look at potentially valid container ids from processCids If package 19972 * information doesn't match the one on record or package scanning fails, 19973 * the cid is added to list of removeCids. We currently don't delete stale 19974 * containers. 19975 */ 19976 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19977 boolean externalStorage) { 19978 ArrayList<String> pkgList = new ArrayList<String>(); 19979 Set<AsecInstallArgs> keys = processCids.keySet(); 19980 19981 for (AsecInstallArgs args : keys) { 19982 String codePath = processCids.get(args); 19983 if (DEBUG_SD_INSTALL) 19984 Log.i(TAG, "Loading container : " + args.cid); 19985 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19986 try { 19987 // Make sure there are no container errors first. 19988 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19989 Slog.e(TAG, "Failed to mount cid : " + args.cid 19990 + " when installing from sdcard"); 19991 continue; 19992 } 19993 // Check code path here. 19994 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19995 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19996 + " does not match one in settings " + codePath); 19997 continue; 19998 } 19999 // Parse package 20000 int parseFlags = mDefParseFlags; 20001 if (args.isExternalAsec()) { 20002 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 20003 } 20004 if (args.isFwdLocked()) { 20005 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 20006 } 20007 20008 synchronized (mInstallLock) { 20009 PackageParser.Package pkg = null; 20010 try { 20011 // Sadly we don't know the package name yet to freeze it 20012 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 20013 SCAN_IGNORE_FROZEN, 0, null); 20014 } catch (PackageManagerException e) { 20015 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 20016 } 20017 // Scan the package 20018 if (pkg != null) { 20019 /* 20020 * TODO why is the lock being held? doPostInstall is 20021 * called in other places without the lock. This needs 20022 * to be straightened out. 20023 */ 20024 // writer 20025 synchronized (mPackages) { 20026 retCode = PackageManager.INSTALL_SUCCEEDED; 20027 pkgList.add(pkg.packageName); 20028 // Post process args 20029 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 20030 pkg.applicationInfo.uid); 20031 } 20032 } else { 20033 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 20034 } 20035 } 20036 20037 } finally { 20038 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 20039 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 20040 } 20041 } 20042 } 20043 // writer 20044 synchronized (mPackages) { 20045 // If the platform SDK has changed since the last time we booted, 20046 // we need to re-grant app permission to catch any new ones that 20047 // appear. This is really a hack, and means that apps can in some 20048 // cases get permissions that the user didn't initially explicitly 20049 // allow... it would be nice to have some better way to handle 20050 // this situation. 20051 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 20052 : mSettings.getInternalVersion(); 20053 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 20054 : StorageManager.UUID_PRIVATE_INTERNAL; 20055 20056 int updateFlags = UPDATE_PERMISSIONS_ALL; 20057 if (ver.sdkVersion != mSdkVersion) { 20058 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 20059 + mSdkVersion + "; regranting permissions for external"); 20060 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 20061 } 20062 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 20063 20064 // Yay, everything is now upgraded 20065 ver.forceCurrent(); 20066 20067 // can downgrade to reader 20068 // Persist settings 20069 mSettings.writeLPr(); 20070 } 20071 // Send a broadcast to let everyone know we are done processing 20072 if (pkgList.size() > 0) { 20073 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 20074 } 20075 } 20076 20077 /* 20078 * Utility method to unload a list of specified containers 20079 */ 20080 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 20081 // Just unmount all valid containers. 20082 for (AsecInstallArgs arg : cidArgs) { 20083 synchronized (mInstallLock) { 20084 arg.doPostDeleteLI(false); 20085 } 20086 } 20087 } 20088 20089 /* 20090 * Unload packages mounted on external media. This involves deleting package 20091 * data from internal structures, sending broadcasts about disabled packages, 20092 * gc'ing to free up references, unmounting all secure containers 20093 * corresponding to packages on external media, and posting a 20094 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 20095 * that we always have to post this message if status has been requested no 20096 * matter what. 20097 */ 20098 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 20099 final boolean reportStatus) { 20100 if (DEBUG_SD_INSTALL) 20101 Log.i(TAG, "unloading media packages"); 20102 ArrayList<String> pkgList = new ArrayList<String>(); 20103 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 20104 final Set<AsecInstallArgs> keys = processCids.keySet(); 20105 for (AsecInstallArgs args : keys) { 20106 String pkgName = args.getPackageName(); 20107 if (DEBUG_SD_INSTALL) 20108 Log.i(TAG, "Trying to unload pkg : " + pkgName); 20109 // Delete package internally 20110 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 20111 synchronized (mInstallLock) { 20112 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 20113 final boolean res; 20114 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 20115 "unloadMediaPackages")) { 20116 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 20117 null); 20118 } 20119 if (res) { 20120 pkgList.add(pkgName); 20121 } else { 20122 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 20123 failedList.add(args); 20124 } 20125 } 20126 } 20127 20128 // reader 20129 synchronized (mPackages) { 20130 // We didn't update the settings after removing each package; 20131 // write them now for all packages. 20132 mSettings.writeLPr(); 20133 } 20134 20135 // We have to absolutely send UPDATED_MEDIA_STATUS only 20136 // after confirming that all the receivers processed the ordered 20137 // broadcast when packages get disabled, force a gc to clean things up. 20138 // and unload all the containers. 20139 if (pkgList.size() > 0) { 20140 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 20141 new IIntentReceiver.Stub() { 20142 public void performReceive(Intent intent, int resultCode, String data, 20143 Bundle extras, boolean ordered, boolean sticky, 20144 int sendingUser) throws RemoteException { 20145 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 20146 reportStatus ? 1 : 0, 1, keys); 20147 mHandler.sendMessage(msg); 20148 } 20149 }); 20150 } else { 20151 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 20152 keys); 20153 mHandler.sendMessage(msg); 20154 } 20155 } 20156 20157 private void loadPrivatePackages(final VolumeInfo vol) { 20158 mHandler.post(new Runnable() { 20159 @Override 20160 public void run() { 20161 loadPrivatePackagesInner(vol); 20162 } 20163 }); 20164 } 20165 20166 private void loadPrivatePackagesInner(VolumeInfo vol) { 20167 final String volumeUuid = vol.fsUuid; 20168 if (TextUtils.isEmpty(volumeUuid)) { 20169 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 20170 return; 20171 } 20172 20173 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 20174 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 20175 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 20176 20177 final VersionInfo ver; 20178 final List<PackageSetting> packages; 20179 synchronized (mPackages) { 20180 ver = mSettings.findOrCreateVersion(volumeUuid); 20181 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20182 } 20183 20184 for (PackageSetting ps : packages) { 20185 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 20186 synchronized (mInstallLock) { 20187 final PackageParser.Package pkg; 20188 try { 20189 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 20190 loaded.add(pkg.applicationInfo); 20191 20192 } catch (PackageManagerException e) { 20193 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 20194 } 20195 20196 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 20197 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 20198 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 20199 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20200 } 20201 } 20202 } 20203 20204 // Reconcile app data for all started/unlocked users 20205 final StorageManager sm = mContext.getSystemService(StorageManager.class); 20206 final UserManager um = mContext.getSystemService(UserManager.class); 20207 UserManagerInternal umInternal = getUserManagerInternal(); 20208 for (UserInfo user : um.getUsers()) { 20209 final int flags; 20210 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20211 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20212 } else if (umInternal.isUserRunning(user.id)) { 20213 flags = StorageManager.FLAG_STORAGE_DE; 20214 } else { 20215 continue; 20216 } 20217 20218 try { 20219 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 20220 synchronized (mInstallLock) { 20221 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 20222 } 20223 } catch (IllegalStateException e) { 20224 // Device was probably ejected, and we'll process that event momentarily 20225 Slog.w(TAG, "Failed to prepare storage: " + e); 20226 } 20227 } 20228 20229 synchronized (mPackages) { 20230 int updateFlags = UPDATE_PERMISSIONS_ALL; 20231 if (ver.sdkVersion != mSdkVersion) { 20232 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 20233 + mSdkVersion + "; regranting permissions for " + volumeUuid); 20234 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 20235 } 20236 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 20237 20238 // Yay, everything is now upgraded 20239 ver.forceCurrent(); 20240 20241 mSettings.writeLPr(); 20242 } 20243 20244 for (PackageFreezer freezer : freezers) { 20245 freezer.close(); 20246 } 20247 20248 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 20249 sendResourcesChangedBroadcast(true, false, loaded, null); 20250 } 20251 20252 private void unloadPrivatePackages(final VolumeInfo vol) { 20253 mHandler.post(new Runnable() { 20254 @Override 20255 public void run() { 20256 unloadPrivatePackagesInner(vol); 20257 } 20258 }); 20259 } 20260 20261 private void unloadPrivatePackagesInner(VolumeInfo vol) { 20262 final String volumeUuid = vol.fsUuid; 20263 if (TextUtils.isEmpty(volumeUuid)) { 20264 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 20265 return; 20266 } 20267 20268 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 20269 synchronized (mInstallLock) { 20270 synchronized (mPackages) { 20271 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 20272 for (PackageSetting ps : packages) { 20273 if (ps.pkg == null) continue; 20274 20275 final ApplicationInfo info = ps.pkg.applicationInfo; 20276 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 20277 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 20278 20279 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 20280 "unloadPrivatePackagesInner")) { 20281 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 20282 false, null)) { 20283 unloaded.add(info); 20284 } else { 20285 Slog.w(TAG, "Failed to unload " + ps.codePath); 20286 } 20287 } 20288 20289 // Try very hard to release any references to this package 20290 // so we don't risk the system server being killed due to 20291 // open FDs 20292 AttributeCache.instance().removePackage(ps.name); 20293 } 20294 20295 mSettings.writeLPr(); 20296 } 20297 } 20298 20299 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 20300 sendResourcesChangedBroadcast(false, false, unloaded, null); 20301 20302 // Try very hard to release any references to this path so we don't risk 20303 // the system server being killed due to open FDs 20304 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 20305 20306 for (int i = 0; i < 3; i++) { 20307 System.gc(); 20308 System.runFinalization(); 20309 } 20310 } 20311 20312 /** 20313 * Prepare storage areas for given user on all mounted devices. 20314 */ 20315 void prepareUserData(int userId, int userSerial, int flags) { 20316 synchronized (mInstallLock) { 20317 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20318 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20319 final String volumeUuid = vol.getFsUuid(); 20320 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 20321 } 20322 } 20323 } 20324 20325 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 20326 boolean allowRecover) { 20327 // Prepare storage and verify that serial numbers are consistent; if 20328 // there's a mismatch we need to destroy to avoid leaking data 20329 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20330 try { 20331 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 20332 20333 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 20334 UserManagerService.enforceSerialNumber( 20335 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 20336 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20337 UserManagerService.enforceSerialNumber( 20338 Environment.getDataSystemDeDirectory(userId), userSerial); 20339 } 20340 } 20341 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 20342 UserManagerService.enforceSerialNumber( 20343 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 20344 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20345 UserManagerService.enforceSerialNumber( 20346 Environment.getDataSystemCeDirectory(userId), userSerial); 20347 } 20348 } 20349 20350 synchronized (mInstallLock) { 20351 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 20352 } 20353 } catch (Exception e) { 20354 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 20355 + " because we failed to prepare: " + e); 20356 destroyUserDataLI(volumeUuid, userId, 20357 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 20358 20359 if (allowRecover) { 20360 // Try one last time; if we fail again we're really in trouble 20361 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 20362 } 20363 } 20364 } 20365 20366 /** 20367 * Destroy storage areas for given user on all mounted devices. 20368 */ 20369 void destroyUserData(int userId, int flags) { 20370 synchronized (mInstallLock) { 20371 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20372 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20373 final String volumeUuid = vol.getFsUuid(); 20374 destroyUserDataLI(volumeUuid, userId, flags); 20375 } 20376 } 20377 } 20378 20379 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 20380 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20381 try { 20382 // Clean up app data, profile data, and media data 20383 mInstaller.destroyUserData(volumeUuid, userId, flags); 20384 20385 // Clean up system data 20386 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20387 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20388 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 20389 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 20390 } 20391 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20392 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 20393 } 20394 } 20395 20396 // Data with special labels is now gone, so finish the job 20397 storage.destroyUserStorage(volumeUuid, userId, flags); 20398 20399 } catch (Exception e) { 20400 logCriticalInfo(Log.WARN, 20401 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 20402 } 20403 } 20404 20405 /** 20406 * Examine all users present on given mounted volume, and destroy data 20407 * belonging to users that are no longer valid, or whose user ID has been 20408 * recycled. 20409 */ 20410 private void reconcileUsers(String volumeUuid) { 20411 final List<File> files = new ArrayList<>(); 20412 Collections.addAll(files, FileUtils 20413 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 20414 Collections.addAll(files, FileUtils 20415 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 20416 Collections.addAll(files, FileUtils 20417 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 20418 Collections.addAll(files, FileUtils 20419 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 20420 for (File file : files) { 20421 if (!file.isDirectory()) continue; 20422 20423 final int userId; 20424 final UserInfo info; 20425 try { 20426 userId = Integer.parseInt(file.getName()); 20427 info = sUserManager.getUserInfo(userId); 20428 } catch (NumberFormatException e) { 20429 Slog.w(TAG, "Invalid user directory " + file); 20430 continue; 20431 } 20432 20433 boolean destroyUser = false; 20434 if (info == null) { 20435 logCriticalInfo(Log.WARN, "Destroying user directory " + file 20436 + " because no matching user was found"); 20437 destroyUser = true; 20438 } else if (!mOnlyCore) { 20439 try { 20440 UserManagerService.enforceSerialNumber(file, info.serialNumber); 20441 } catch (IOException e) { 20442 logCriticalInfo(Log.WARN, "Destroying user directory " + file 20443 + " because we failed to enforce serial number: " + e); 20444 destroyUser = true; 20445 } 20446 } 20447 20448 if (destroyUser) { 20449 synchronized (mInstallLock) { 20450 destroyUserDataLI(volumeUuid, userId, 20451 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 20452 } 20453 } 20454 } 20455 } 20456 20457 private void assertPackageKnown(String volumeUuid, String packageName) 20458 throws PackageManagerException { 20459 synchronized (mPackages) { 20460 // Normalize package name to handle renamed packages 20461 packageName = normalizePackageNameLPr(packageName); 20462 20463 final PackageSetting ps = mSettings.mPackages.get(packageName); 20464 if (ps == null) { 20465 throw new PackageManagerException("Package " + packageName + " is unknown"); 20466 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 20467 throw new PackageManagerException( 20468 "Package " + packageName + " found on unknown volume " + volumeUuid 20469 + "; expected volume " + ps.volumeUuid); 20470 } 20471 } 20472 } 20473 20474 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 20475 throws PackageManagerException { 20476 synchronized (mPackages) { 20477 // Normalize package name to handle renamed packages 20478 packageName = normalizePackageNameLPr(packageName); 20479 20480 final PackageSetting ps = mSettings.mPackages.get(packageName); 20481 if (ps == null) { 20482 throw new PackageManagerException("Package " + packageName + " is unknown"); 20483 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 20484 throw new PackageManagerException( 20485 "Package " + packageName + " found on unknown volume " + volumeUuid 20486 + "; expected volume " + ps.volumeUuid); 20487 } else if (!ps.getInstalled(userId)) { 20488 throw new PackageManagerException( 20489 "Package " + packageName + " not installed for user " + userId); 20490 } 20491 } 20492 } 20493 20494 /** 20495 * Examine all apps present on given mounted volume, and destroy apps that 20496 * aren't expected, either due to uninstallation or reinstallation on 20497 * another volume. 20498 */ 20499 private void reconcileApps(String volumeUuid) { 20500 final File[] files = FileUtils 20501 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 20502 for (File file : files) { 20503 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 20504 && !PackageInstallerService.isStageName(file.getName()); 20505 if (!isPackage) { 20506 // Ignore entries which are not packages 20507 continue; 20508 } 20509 20510 try { 20511 final PackageLite pkg = PackageParser.parsePackageLite(file, 20512 PackageParser.PARSE_MUST_BE_APK); 20513 assertPackageKnown(volumeUuid, pkg.packageName); 20514 20515 } catch (PackageParserException | PackageManagerException e) { 20516 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20517 synchronized (mInstallLock) { 20518 removeCodePathLI(file); 20519 } 20520 } 20521 } 20522 } 20523 20524 /** 20525 * Reconcile all app data for the given user. 20526 * <p> 20527 * Verifies that directories exist and that ownership and labeling is 20528 * correct for all installed apps on all mounted volumes. 20529 */ 20530 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 20531 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20532 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20533 final String volumeUuid = vol.getFsUuid(); 20534 synchronized (mInstallLock) { 20535 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 20536 } 20537 } 20538 } 20539 20540 /** 20541 * Reconcile all app data on given mounted volume. 20542 * <p> 20543 * Destroys app data that isn't expected, either due to uninstallation or 20544 * reinstallation on another volume. 20545 * <p> 20546 * Verifies that directories exist and that ownership and labeling is 20547 * correct for all installed apps. 20548 */ 20549 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 20550 boolean migrateAppData) { 20551 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 20552 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 20553 20554 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 20555 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 20556 20557 // First look for stale data that doesn't belong, and check if things 20558 // have changed since we did our last restorecon 20559 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20560 if (StorageManager.isFileEncryptedNativeOrEmulated() 20561 && !StorageManager.isUserKeyUnlocked(userId)) { 20562 throw new RuntimeException( 20563 "Yikes, someone asked us to reconcile CE storage while " + userId 20564 + " was still locked; this would have caused massive data loss!"); 20565 } 20566 20567 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 20568 for (File file : files) { 20569 final String packageName = file.getName(); 20570 try { 20571 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20572 } catch (PackageManagerException e) { 20573 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20574 try { 20575 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20576 StorageManager.FLAG_STORAGE_CE, 0); 20577 } catch (InstallerException e2) { 20578 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20579 } 20580 } 20581 } 20582 } 20583 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20584 final File[] files = FileUtils.listFilesOrEmpty(deDir); 20585 for (File file : files) { 20586 final String packageName = file.getName(); 20587 try { 20588 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20589 } catch (PackageManagerException e) { 20590 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20591 try { 20592 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20593 StorageManager.FLAG_STORAGE_DE, 0); 20594 } catch (InstallerException e2) { 20595 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20596 } 20597 } 20598 } 20599 } 20600 20601 // Ensure that data directories are ready to roll for all packages 20602 // installed for this volume and user 20603 final List<PackageSetting> packages; 20604 synchronized (mPackages) { 20605 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20606 } 20607 int preparedCount = 0; 20608 for (PackageSetting ps : packages) { 20609 final String packageName = ps.name; 20610 if (ps.pkg == null) { 20611 Slog.w(TAG, "Odd, missing scanned package " + packageName); 20612 // TODO: might be due to legacy ASEC apps; we should circle back 20613 // and reconcile again once they're scanned 20614 continue; 20615 } 20616 20617 if (ps.getInstalled(userId)) { 20618 prepareAppDataLIF(ps.pkg, userId, flags); 20619 20620 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20621 // We may have just shuffled around app data directories, so 20622 // prepare them one more time 20623 prepareAppDataLIF(ps.pkg, userId, flags); 20624 } 20625 20626 preparedCount++; 20627 } 20628 } 20629 20630 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20631 } 20632 20633 /** 20634 * Prepare app data for the given app just after it was installed or 20635 * upgraded. This method carefully only touches users that it's installed 20636 * for, and it forces a restorecon to handle any seinfo changes. 20637 * <p> 20638 * Verifies that directories exist and that ownership and labeling is 20639 * correct for all installed apps. If there is an ownership mismatch, it 20640 * will try recovering system apps by wiping data; third-party app data is 20641 * left intact. 20642 * <p> 20643 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20644 */ 20645 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20646 final PackageSetting ps; 20647 synchronized (mPackages) { 20648 ps = mSettings.mPackages.get(pkg.packageName); 20649 mSettings.writeKernelMappingLPr(ps); 20650 } 20651 20652 final UserManager um = mContext.getSystemService(UserManager.class); 20653 UserManagerInternal umInternal = getUserManagerInternal(); 20654 for (UserInfo user : um.getUsers()) { 20655 final int flags; 20656 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20657 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20658 } else if (umInternal.isUserRunning(user.id)) { 20659 flags = StorageManager.FLAG_STORAGE_DE; 20660 } else { 20661 continue; 20662 } 20663 20664 if (ps.getInstalled(user.id)) { 20665 // TODO: when user data is locked, mark that we're still dirty 20666 prepareAppDataLIF(pkg, user.id, flags); 20667 } 20668 } 20669 } 20670 20671 /** 20672 * Prepare app data for the given app. 20673 * <p> 20674 * Verifies that directories exist and that ownership and labeling is 20675 * correct for all installed apps. If there is an ownership mismatch, this 20676 * will try recovering system apps by wiping data; third-party app data is 20677 * left intact. 20678 */ 20679 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20680 if (pkg == null) { 20681 Slog.wtf(TAG, "Package was null!", new Throwable()); 20682 return; 20683 } 20684 prepareAppDataLeafLIF(pkg, userId, flags); 20685 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20686 for (int i = 0; i < childCount; i++) { 20687 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20688 } 20689 } 20690 20691 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20692 if (DEBUG_APP_DATA) { 20693 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20694 + Integer.toHexString(flags)); 20695 } 20696 20697 final String volumeUuid = pkg.volumeUuid; 20698 final String packageName = pkg.packageName; 20699 final ApplicationInfo app = pkg.applicationInfo; 20700 final int appId = UserHandle.getAppId(app.uid); 20701 20702 Preconditions.checkNotNull(app.seinfo); 20703 20704 long ceDataInode = -1; 20705 try { 20706 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20707 appId, app.seinfo, app.targetSdkVersion); 20708 } catch (InstallerException e) { 20709 if (app.isSystemApp()) { 20710 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20711 + ", but trying to recover: " + e); 20712 destroyAppDataLeafLIF(pkg, userId, flags); 20713 try { 20714 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20715 appId, app.seinfo, app.targetSdkVersion); 20716 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20717 } catch (InstallerException e2) { 20718 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20719 } 20720 } else { 20721 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20722 } 20723 } 20724 20725 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 20726 // TODO: mark this structure as dirty so we persist it! 20727 synchronized (mPackages) { 20728 final PackageSetting ps = mSettings.mPackages.get(packageName); 20729 if (ps != null) { 20730 ps.setCeDataInode(ceDataInode, userId); 20731 } 20732 } 20733 } 20734 20735 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20736 } 20737 20738 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20739 if (pkg == null) { 20740 Slog.wtf(TAG, "Package was null!", new Throwable()); 20741 return; 20742 } 20743 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20744 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20745 for (int i = 0; i < childCount; i++) { 20746 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20747 } 20748 } 20749 20750 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20751 final String volumeUuid = pkg.volumeUuid; 20752 final String packageName = pkg.packageName; 20753 final ApplicationInfo app = pkg.applicationInfo; 20754 20755 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20756 // Create a native library symlink only if we have native libraries 20757 // and if the native libraries are 32 bit libraries. We do not provide 20758 // this symlink for 64 bit libraries. 20759 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20760 final String nativeLibPath = app.nativeLibraryDir; 20761 try { 20762 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20763 nativeLibPath, userId); 20764 } catch (InstallerException e) { 20765 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20766 } 20767 } 20768 } 20769 } 20770 20771 /** 20772 * For system apps on non-FBE devices, this method migrates any existing 20773 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20774 * requested by the app. 20775 */ 20776 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20777 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20778 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20779 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20780 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20781 try { 20782 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20783 storageTarget); 20784 } catch (InstallerException e) { 20785 logCriticalInfo(Log.WARN, 20786 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20787 } 20788 return true; 20789 } else { 20790 return false; 20791 } 20792 } 20793 20794 public PackageFreezer freezePackage(String packageName, String killReason) { 20795 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20796 } 20797 20798 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20799 return new PackageFreezer(packageName, userId, killReason); 20800 } 20801 20802 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20803 String killReason) { 20804 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20805 } 20806 20807 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20808 String killReason) { 20809 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20810 return new PackageFreezer(); 20811 } else { 20812 return freezePackage(packageName, userId, killReason); 20813 } 20814 } 20815 20816 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20817 String killReason) { 20818 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20819 } 20820 20821 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20822 String killReason) { 20823 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20824 return new PackageFreezer(); 20825 } else { 20826 return freezePackage(packageName, userId, killReason); 20827 } 20828 } 20829 20830 /** 20831 * Class that freezes and kills the given package upon creation, and 20832 * unfreezes it upon closing. This is typically used when doing surgery on 20833 * app code/data to prevent the app from running while you're working. 20834 */ 20835 private class PackageFreezer implements AutoCloseable { 20836 private final String mPackageName; 20837 private final PackageFreezer[] mChildren; 20838 20839 private final boolean mWeFroze; 20840 20841 private final AtomicBoolean mClosed = new AtomicBoolean(); 20842 private final CloseGuard mCloseGuard = CloseGuard.get(); 20843 20844 /** 20845 * Create and return a stub freezer that doesn't actually do anything, 20846 * typically used when someone requested 20847 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20848 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20849 */ 20850 public PackageFreezer() { 20851 mPackageName = null; 20852 mChildren = null; 20853 mWeFroze = false; 20854 mCloseGuard.open("close"); 20855 } 20856 20857 public PackageFreezer(String packageName, int userId, String killReason) { 20858 synchronized (mPackages) { 20859 mPackageName = packageName; 20860 mWeFroze = mFrozenPackages.add(mPackageName); 20861 20862 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20863 if (ps != null) { 20864 killApplication(ps.name, ps.appId, userId, killReason); 20865 } 20866 20867 final PackageParser.Package p = mPackages.get(packageName); 20868 if (p != null && p.childPackages != null) { 20869 final int N = p.childPackages.size(); 20870 mChildren = new PackageFreezer[N]; 20871 for (int i = 0; i < N; i++) { 20872 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20873 userId, killReason); 20874 } 20875 } else { 20876 mChildren = null; 20877 } 20878 } 20879 mCloseGuard.open("close"); 20880 } 20881 20882 @Override 20883 protected void finalize() throws Throwable { 20884 try { 20885 mCloseGuard.warnIfOpen(); 20886 close(); 20887 } finally { 20888 super.finalize(); 20889 } 20890 } 20891 20892 @Override 20893 public void close() { 20894 mCloseGuard.close(); 20895 if (mClosed.compareAndSet(false, true)) { 20896 synchronized (mPackages) { 20897 if (mWeFroze) { 20898 mFrozenPackages.remove(mPackageName); 20899 } 20900 20901 if (mChildren != null) { 20902 for (PackageFreezer freezer : mChildren) { 20903 freezer.close(); 20904 } 20905 } 20906 } 20907 } 20908 } 20909 } 20910 20911 /** 20912 * Verify that given package is currently frozen. 20913 */ 20914 private void checkPackageFrozen(String packageName) { 20915 synchronized (mPackages) { 20916 if (!mFrozenPackages.contains(packageName)) { 20917 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20918 } 20919 } 20920 } 20921 20922 @Override 20923 public int movePackage(final String packageName, final String volumeUuid) { 20924 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20925 20926 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20927 final int moveId = mNextMoveId.getAndIncrement(); 20928 mHandler.post(new Runnable() { 20929 @Override 20930 public void run() { 20931 try { 20932 movePackageInternal(packageName, volumeUuid, moveId, user); 20933 } catch (PackageManagerException e) { 20934 Slog.w(TAG, "Failed to move " + packageName, e); 20935 mMoveCallbacks.notifyStatusChanged(moveId, 20936 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20937 } 20938 } 20939 }); 20940 return moveId; 20941 } 20942 20943 private void movePackageInternal(final String packageName, final String volumeUuid, 20944 final int moveId, UserHandle user) throws PackageManagerException { 20945 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20946 final PackageManager pm = mContext.getPackageManager(); 20947 20948 final boolean currentAsec; 20949 final String currentVolumeUuid; 20950 final File codeFile; 20951 final String installerPackageName; 20952 final String packageAbiOverride; 20953 final int appId; 20954 final String seinfo; 20955 final String label; 20956 final int targetSdkVersion; 20957 final PackageFreezer freezer; 20958 final int[] installedUserIds; 20959 20960 // reader 20961 synchronized (mPackages) { 20962 final PackageParser.Package pkg = mPackages.get(packageName); 20963 final PackageSetting ps = mSettings.mPackages.get(packageName); 20964 if (pkg == null || ps == null) { 20965 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20966 } 20967 20968 if (pkg.applicationInfo.isSystemApp()) { 20969 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20970 "Cannot move system application"); 20971 } 20972 20973 if (pkg.applicationInfo.isExternalAsec()) { 20974 currentAsec = true; 20975 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20976 } else if (pkg.applicationInfo.isForwardLocked()) { 20977 currentAsec = true; 20978 currentVolumeUuid = "forward_locked"; 20979 } else { 20980 currentAsec = false; 20981 currentVolumeUuid = ps.volumeUuid; 20982 20983 final File probe = new File(pkg.codePath); 20984 final File probeOat = new File(probe, "oat"); 20985 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20986 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20987 "Move only supported for modern cluster style installs"); 20988 } 20989 } 20990 20991 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20992 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20993 "Package already moved to " + volumeUuid); 20994 } 20995 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20996 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20997 "Device admin cannot be moved"); 20998 } 20999 21000 if (mFrozenPackages.contains(packageName)) { 21001 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 21002 "Failed to move already frozen package"); 21003 } 21004 21005 codeFile = new File(pkg.codePath); 21006 installerPackageName = ps.installerPackageName; 21007 packageAbiOverride = ps.cpuAbiOverrideString; 21008 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 21009 seinfo = pkg.applicationInfo.seinfo; 21010 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 21011 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 21012 freezer = freezePackage(packageName, "movePackageInternal"); 21013 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 21014 } 21015 21016 final Bundle extras = new Bundle(); 21017 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 21018 extras.putString(Intent.EXTRA_TITLE, label); 21019 mMoveCallbacks.notifyCreated(moveId, extras); 21020 21021 int installFlags; 21022 final boolean moveCompleteApp; 21023 final File measurePath; 21024 21025 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 21026 installFlags = INSTALL_INTERNAL; 21027 moveCompleteApp = !currentAsec; 21028 measurePath = Environment.getDataAppDirectory(volumeUuid); 21029 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 21030 installFlags = INSTALL_EXTERNAL; 21031 moveCompleteApp = false; 21032 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 21033 } else { 21034 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 21035 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 21036 || !volume.isMountedWritable()) { 21037 freezer.close(); 21038 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21039 "Move location not mounted private volume"); 21040 } 21041 21042 Preconditions.checkState(!currentAsec); 21043 21044 installFlags = INSTALL_INTERNAL; 21045 moveCompleteApp = true; 21046 measurePath = Environment.getDataAppDirectory(volumeUuid); 21047 } 21048 21049 final PackageStats stats = new PackageStats(null, -1); 21050 synchronized (mInstaller) { 21051 for (int userId : installedUserIds) { 21052 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 21053 freezer.close(); 21054 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21055 "Failed to measure package size"); 21056 } 21057 } 21058 } 21059 21060 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 21061 + stats.dataSize); 21062 21063 final long startFreeBytes = measurePath.getFreeSpace(); 21064 final long sizeBytes; 21065 if (moveCompleteApp) { 21066 sizeBytes = stats.codeSize + stats.dataSize; 21067 } else { 21068 sizeBytes = stats.codeSize; 21069 } 21070 21071 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 21072 freezer.close(); 21073 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21074 "Not enough free space to move"); 21075 } 21076 21077 mMoveCallbacks.notifyStatusChanged(moveId, 10); 21078 21079 final CountDownLatch installedLatch = new CountDownLatch(1); 21080 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 21081 @Override 21082 public void onUserActionRequired(Intent intent) throws RemoteException { 21083 throw new IllegalStateException(); 21084 } 21085 21086 @Override 21087 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 21088 Bundle extras) throws RemoteException { 21089 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 21090 + PackageManager.installStatusToString(returnCode, msg)); 21091 21092 installedLatch.countDown(); 21093 freezer.close(); 21094 21095 final int status = PackageManager.installStatusToPublicStatus(returnCode); 21096 switch (status) { 21097 case PackageInstaller.STATUS_SUCCESS: 21098 mMoveCallbacks.notifyStatusChanged(moveId, 21099 PackageManager.MOVE_SUCCEEDED); 21100 break; 21101 case PackageInstaller.STATUS_FAILURE_STORAGE: 21102 mMoveCallbacks.notifyStatusChanged(moveId, 21103 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 21104 break; 21105 default: 21106 mMoveCallbacks.notifyStatusChanged(moveId, 21107 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 21108 break; 21109 } 21110 } 21111 }; 21112 21113 final MoveInfo move; 21114 if (moveCompleteApp) { 21115 // Kick off a thread to report progress estimates 21116 new Thread() { 21117 @Override 21118 public void run() { 21119 while (true) { 21120 try { 21121 if (installedLatch.await(1, TimeUnit.SECONDS)) { 21122 break; 21123 } 21124 } catch (InterruptedException ignored) { 21125 } 21126 21127 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 21128 final int progress = 10 + (int) MathUtils.constrain( 21129 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 21130 mMoveCallbacks.notifyStatusChanged(moveId, progress); 21131 } 21132 } 21133 }.start(); 21134 21135 final String dataAppName = codeFile.getName(); 21136 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 21137 dataAppName, appId, seinfo, targetSdkVersion); 21138 } else { 21139 move = null; 21140 } 21141 21142 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 21143 21144 final Message msg = mHandler.obtainMessage(INIT_COPY); 21145 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 21146 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 21147 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 21148 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 21149 PackageManager.INSTALL_REASON_UNKNOWN); 21150 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 21151 msg.obj = params; 21152 21153 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 21154 System.identityHashCode(msg.obj)); 21155 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 21156 System.identityHashCode(msg.obj)); 21157 21158 mHandler.sendMessage(msg); 21159 } 21160 21161 @Override 21162 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 21163 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21164 21165 final int realMoveId = mNextMoveId.getAndIncrement(); 21166 final Bundle extras = new Bundle(); 21167 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 21168 mMoveCallbacks.notifyCreated(realMoveId, extras); 21169 21170 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 21171 @Override 21172 public void onCreated(int moveId, Bundle extras) { 21173 // Ignored 21174 } 21175 21176 @Override 21177 public void onStatusChanged(int moveId, int status, long estMillis) { 21178 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 21179 } 21180 }; 21181 21182 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21183 storage.setPrimaryStorageUuid(volumeUuid, callback); 21184 return realMoveId; 21185 } 21186 21187 @Override 21188 public int getMoveStatus(int moveId) { 21189 mContext.enforceCallingOrSelfPermission( 21190 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21191 return mMoveCallbacks.mLastStatus.get(moveId); 21192 } 21193 21194 @Override 21195 public void registerMoveCallback(IPackageMoveObserver callback) { 21196 mContext.enforceCallingOrSelfPermission( 21197 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21198 mMoveCallbacks.register(callback); 21199 } 21200 21201 @Override 21202 public void unregisterMoveCallback(IPackageMoveObserver callback) { 21203 mContext.enforceCallingOrSelfPermission( 21204 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21205 mMoveCallbacks.unregister(callback); 21206 } 21207 21208 @Override 21209 public boolean setInstallLocation(int loc) { 21210 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 21211 null); 21212 if (getInstallLocation() == loc) { 21213 return true; 21214 } 21215 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 21216 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 21217 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 21218 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 21219 return true; 21220 } 21221 return false; 21222 } 21223 21224 @Override 21225 public int getInstallLocation() { 21226 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 21227 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 21228 PackageHelper.APP_INSTALL_AUTO); 21229 } 21230 21231 /** Called by UserManagerService */ 21232 void cleanUpUser(UserManagerService userManager, int userHandle) { 21233 synchronized (mPackages) { 21234 mDirtyUsers.remove(userHandle); 21235 mUserNeedsBadging.delete(userHandle); 21236 mSettings.removeUserLPw(userHandle); 21237 mPendingBroadcasts.remove(userHandle); 21238 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 21239 removeUnusedPackagesLPw(userManager, userHandle); 21240 } 21241 } 21242 21243 /** 21244 * We're removing userHandle and would like to remove any downloaded packages 21245 * that are no longer in use by any other user. 21246 * @param userHandle the user being removed 21247 */ 21248 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 21249 final boolean DEBUG_CLEAN_APKS = false; 21250 int [] users = userManager.getUserIds(); 21251 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 21252 while (psit.hasNext()) { 21253 PackageSetting ps = psit.next(); 21254 if (ps.pkg == null) { 21255 continue; 21256 } 21257 final String packageName = ps.pkg.packageName; 21258 // Skip over if system app 21259 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 21260 continue; 21261 } 21262 if (DEBUG_CLEAN_APKS) { 21263 Slog.i(TAG, "Checking package " + packageName); 21264 } 21265 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 21266 if (keep) { 21267 if (DEBUG_CLEAN_APKS) { 21268 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 21269 } 21270 } else { 21271 for (int i = 0; i < users.length; i++) { 21272 if (users[i] != userHandle && ps.getInstalled(users[i])) { 21273 keep = true; 21274 if (DEBUG_CLEAN_APKS) { 21275 Slog.i(TAG, " Keeping package " + packageName + " for user " 21276 + users[i]); 21277 } 21278 break; 21279 } 21280 } 21281 } 21282 if (!keep) { 21283 if (DEBUG_CLEAN_APKS) { 21284 Slog.i(TAG, " Removing package " + packageName); 21285 } 21286 mHandler.post(new Runnable() { 21287 public void run() { 21288 deletePackageX(packageName, userHandle, 0); 21289 } //end run 21290 }); 21291 } 21292 } 21293 } 21294 21295 /** Called by UserManagerService */ 21296 void createNewUser(int userId, String[] disallowedPackages) { 21297 synchronized (mInstallLock) { 21298 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 21299 } 21300 synchronized (mPackages) { 21301 scheduleWritePackageRestrictionsLocked(userId); 21302 scheduleWritePackageListLocked(userId); 21303 applyFactoryDefaultBrowserLPw(userId); 21304 primeDomainVerificationsLPw(userId); 21305 } 21306 } 21307 21308 void onNewUserCreated(final int userId) { 21309 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 21310 // If permission review for legacy apps is required, we represent 21311 // dagerous permissions for such apps as always granted runtime 21312 // permissions to keep per user flag state whether review is needed. 21313 // Hence, if a new user is added we have to propagate dangerous 21314 // permission grants for these legacy apps. 21315 if (mPermissionReviewRequired) { 21316 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 21317 | UPDATE_PERMISSIONS_REPLACE_ALL); 21318 } 21319 } 21320 21321 @Override 21322 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 21323 mContext.enforceCallingOrSelfPermission( 21324 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 21325 "Only package verification agents can read the verifier device identity"); 21326 21327 synchronized (mPackages) { 21328 return mSettings.getVerifierDeviceIdentityLPw(); 21329 } 21330 } 21331 21332 @Override 21333 public void setPermissionEnforced(String permission, boolean enforced) { 21334 // TODO: Now that we no longer change GID for storage, this should to away. 21335 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 21336 "setPermissionEnforced"); 21337 if (READ_EXTERNAL_STORAGE.equals(permission)) { 21338 synchronized (mPackages) { 21339 if (mSettings.mReadExternalStorageEnforced == null 21340 || mSettings.mReadExternalStorageEnforced != enforced) { 21341 mSettings.mReadExternalStorageEnforced = enforced; 21342 mSettings.writeLPr(); 21343 } 21344 } 21345 // kill any non-foreground processes so we restart them and 21346 // grant/revoke the GID. 21347 final IActivityManager am = ActivityManager.getService(); 21348 if (am != null) { 21349 final long token = Binder.clearCallingIdentity(); 21350 try { 21351 am.killProcessesBelowForeground("setPermissionEnforcement"); 21352 } catch (RemoteException e) { 21353 } finally { 21354 Binder.restoreCallingIdentity(token); 21355 } 21356 } 21357 } else { 21358 throw new IllegalArgumentException("No selective enforcement for " + permission); 21359 } 21360 } 21361 21362 @Override 21363 @Deprecated 21364 public boolean isPermissionEnforced(String permission) { 21365 return true; 21366 } 21367 21368 @Override 21369 public boolean isStorageLow() { 21370 final long token = Binder.clearCallingIdentity(); 21371 try { 21372 final DeviceStorageMonitorInternal 21373 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 21374 if (dsm != null) { 21375 return dsm.isMemoryLow(); 21376 } else { 21377 return false; 21378 } 21379 } finally { 21380 Binder.restoreCallingIdentity(token); 21381 } 21382 } 21383 21384 @Override 21385 public IPackageInstaller getPackageInstaller() { 21386 return mInstallerService; 21387 } 21388 21389 private boolean userNeedsBadging(int userId) { 21390 int index = mUserNeedsBadging.indexOfKey(userId); 21391 if (index < 0) { 21392 final UserInfo userInfo; 21393 final long token = Binder.clearCallingIdentity(); 21394 try { 21395 userInfo = sUserManager.getUserInfo(userId); 21396 } finally { 21397 Binder.restoreCallingIdentity(token); 21398 } 21399 final boolean b; 21400 if (userInfo != null && userInfo.isManagedProfile()) { 21401 b = true; 21402 } else { 21403 b = false; 21404 } 21405 mUserNeedsBadging.put(userId, b); 21406 return b; 21407 } 21408 return mUserNeedsBadging.valueAt(index); 21409 } 21410 21411 @Override 21412 public KeySet getKeySetByAlias(String packageName, String alias) { 21413 if (packageName == null || alias == null) { 21414 return null; 21415 } 21416 synchronized(mPackages) { 21417 final PackageParser.Package pkg = mPackages.get(packageName); 21418 if (pkg == null) { 21419 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21420 throw new IllegalArgumentException("Unknown package: " + packageName); 21421 } 21422 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21423 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 21424 } 21425 } 21426 21427 @Override 21428 public KeySet getSigningKeySet(String packageName) { 21429 if (packageName == null) { 21430 return null; 21431 } 21432 synchronized(mPackages) { 21433 final PackageParser.Package pkg = mPackages.get(packageName); 21434 if (pkg == null) { 21435 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21436 throw new IllegalArgumentException("Unknown package: " + packageName); 21437 } 21438 if (pkg.applicationInfo.uid != Binder.getCallingUid() 21439 && Process.SYSTEM_UID != Binder.getCallingUid()) { 21440 throw new SecurityException("May not access signing KeySet of other apps."); 21441 } 21442 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21443 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 21444 } 21445 } 21446 21447 @Override 21448 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 21449 if (packageName == null || ks == null) { 21450 return false; 21451 } 21452 synchronized(mPackages) { 21453 final PackageParser.Package pkg = mPackages.get(packageName); 21454 if (pkg == null) { 21455 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21456 throw new IllegalArgumentException("Unknown package: " + packageName); 21457 } 21458 IBinder ksh = ks.getToken(); 21459 if (ksh instanceof KeySetHandle) { 21460 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21461 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 21462 } 21463 return false; 21464 } 21465 } 21466 21467 @Override 21468 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 21469 if (packageName == null || ks == null) { 21470 return false; 21471 } 21472 synchronized(mPackages) { 21473 final PackageParser.Package pkg = mPackages.get(packageName); 21474 if (pkg == null) { 21475 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21476 throw new IllegalArgumentException("Unknown package: " + packageName); 21477 } 21478 IBinder ksh = ks.getToken(); 21479 if (ksh instanceof KeySetHandle) { 21480 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21481 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 21482 } 21483 return false; 21484 } 21485 } 21486 21487 private void deletePackageIfUnusedLPr(final String packageName) { 21488 PackageSetting ps = mSettings.mPackages.get(packageName); 21489 if (ps == null) { 21490 return; 21491 } 21492 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 21493 // TODO Implement atomic delete if package is unused 21494 // It is currently possible that the package will be deleted even if it is installed 21495 // after this method returns. 21496 mHandler.post(new Runnable() { 21497 public void run() { 21498 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 21499 } 21500 }); 21501 } 21502 } 21503 21504 /** 21505 * Check and throw if the given before/after packages would be considered a 21506 * downgrade. 21507 */ 21508 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 21509 throws PackageManagerException { 21510 if (after.versionCode < before.mVersionCode) { 21511 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21512 "Update version code " + after.versionCode + " is older than current " 21513 + before.mVersionCode); 21514 } else if (after.versionCode == before.mVersionCode) { 21515 if (after.baseRevisionCode < before.baseRevisionCode) { 21516 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21517 "Update base revision code " + after.baseRevisionCode 21518 + " is older than current " + before.baseRevisionCode); 21519 } 21520 21521 if (!ArrayUtils.isEmpty(after.splitNames)) { 21522 for (int i = 0; i < after.splitNames.length; i++) { 21523 final String splitName = after.splitNames[i]; 21524 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 21525 if (j != -1) { 21526 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 21527 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21528 "Update split " + splitName + " revision code " 21529 + after.splitRevisionCodes[i] + " is older than current " 21530 + before.splitRevisionCodes[j]); 21531 } 21532 } 21533 } 21534 } 21535 } 21536 } 21537 21538 private static class MoveCallbacks extends Handler { 21539 private static final int MSG_CREATED = 1; 21540 private static final int MSG_STATUS_CHANGED = 2; 21541 21542 private final RemoteCallbackList<IPackageMoveObserver> 21543 mCallbacks = new RemoteCallbackList<>(); 21544 21545 private final SparseIntArray mLastStatus = new SparseIntArray(); 21546 21547 public MoveCallbacks(Looper looper) { 21548 super(looper); 21549 } 21550 21551 public void register(IPackageMoveObserver callback) { 21552 mCallbacks.register(callback); 21553 } 21554 21555 public void unregister(IPackageMoveObserver callback) { 21556 mCallbacks.unregister(callback); 21557 } 21558 21559 @Override 21560 public void handleMessage(Message msg) { 21561 final SomeArgs args = (SomeArgs) msg.obj; 21562 final int n = mCallbacks.beginBroadcast(); 21563 for (int i = 0; i < n; i++) { 21564 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 21565 try { 21566 invokeCallback(callback, msg.what, args); 21567 } catch (RemoteException ignored) { 21568 } 21569 } 21570 mCallbacks.finishBroadcast(); 21571 args.recycle(); 21572 } 21573 21574 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 21575 throws RemoteException { 21576 switch (what) { 21577 case MSG_CREATED: { 21578 callback.onCreated(args.argi1, (Bundle) args.arg2); 21579 break; 21580 } 21581 case MSG_STATUS_CHANGED: { 21582 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 21583 break; 21584 } 21585 } 21586 } 21587 21588 private void notifyCreated(int moveId, Bundle extras) { 21589 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 21590 21591 final SomeArgs args = SomeArgs.obtain(); 21592 args.argi1 = moveId; 21593 args.arg2 = extras; 21594 obtainMessage(MSG_CREATED, args).sendToTarget(); 21595 } 21596 21597 private void notifyStatusChanged(int moveId, int status) { 21598 notifyStatusChanged(moveId, status, -1); 21599 } 21600 21601 private void notifyStatusChanged(int moveId, int status, long estMillis) { 21602 Slog.v(TAG, "Move " + moveId + " status " + status); 21603 21604 final SomeArgs args = SomeArgs.obtain(); 21605 args.argi1 = moveId; 21606 args.argi2 = status; 21607 args.arg3 = estMillis; 21608 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 21609 21610 synchronized (mLastStatus) { 21611 mLastStatus.put(moveId, status); 21612 } 21613 } 21614 } 21615 21616 private final static class OnPermissionChangeListeners extends Handler { 21617 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21618 21619 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21620 new RemoteCallbackList<>(); 21621 21622 public OnPermissionChangeListeners(Looper looper) { 21623 super(looper); 21624 } 21625 21626 @Override 21627 public void handleMessage(Message msg) { 21628 switch (msg.what) { 21629 case MSG_ON_PERMISSIONS_CHANGED: { 21630 final int uid = msg.arg1; 21631 handleOnPermissionsChanged(uid); 21632 } break; 21633 } 21634 } 21635 21636 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21637 mPermissionListeners.register(listener); 21638 21639 } 21640 21641 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21642 mPermissionListeners.unregister(listener); 21643 } 21644 21645 public void onPermissionsChanged(int uid) { 21646 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21647 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21648 } 21649 } 21650 21651 private void handleOnPermissionsChanged(int uid) { 21652 final int count = mPermissionListeners.beginBroadcast(); 21653 try { 21654 for (int i = 0; i < count; i++) { 21655 IOnPermissionsChangeListener callback = mPermissionListeners 21656 .getBroadcastItem(i); 21657 try { 21658 callback.onPermissionsChanged(uid); 21659 } catch (RemoteException e) { 21660 Log.e(TAG, "Permission listener is dead", e); 21661 } 21662 } 21663 } finally { 21664 mPermissionListeners.finishBroadcast(); 21665 } 21666 } 21667 } 21668 21669 private class PackageManagerInternalImpl extends PackageManagerInternal { 21670 @Override 21671 public void setLocationPackagesProvider(PackagesProvider provider) { 21672 synchronized (mPackages) { 21673 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21674 } 21675 } 21676 21677 @Override 21678 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21679 synchronized (mPackages) { 21680 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21681 } 21682 } 21683 21684 @Override 21685 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21686 synchronized (mPackages) { 21687 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21688 } 21689 } 21690 21691 @Override 21692 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21693 synchronized (mPackages) { 21694 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21695 } 21696 } 21697 21698 @Override 21699 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21700 synchronized (mPackages) { 21701 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21702 } 21703 } 21704 21705 @Override 21706 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21707 synchronized (mPackages) { 21708 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21709 } 21710 } 21711 21712 @Override 21713 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21714 synchronized (mPackages) { 21715 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21716 packageName, userId); 21717 } 21718 } 21719 21720 @Override 21721 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21722 synchronized (mPackages) { 21723 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21724 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21725 packageName, userId); 21726 } 21727 } 21728 21729 @Override 21730 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21731 synchronized (mPackages) { 21732 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21733 packageName, userId); 21734 } 21735 } 21736 21737 @Override 21738 public void setKeepUninstalledPackages(final List<String> packageList) { 21739 Preconditions.checkNotNull(packageList); 21740 List<String> removedFromList = null; 21741 synchronized (mPackages) { 21742 if (mKeepUninstalledPackages != null) { 21743 final int packagesCount = mKeepUninstalledPackages.size(); 21744 for (int i = 0; i < packagesCount; i++) { 21745 String oldPackage = mKeepUninstalledPackages.get(i); 21746 if (packageList != null && packageList.contains(oldPackage)) { 21747 continue; 21748 } 21749 if (removedFromList == null) { 21750 removedFromList = new ArrayList<>(); 21751 } 21752 removedFromList.add(oldPackage); 21753 } 21754 } 21755 mKeepUninstalledPackages = new ArrayList<>(packageList); 21756 if (removedFromList != null) { 21757 final int removedCount = removedFromList.size(); 21758 for (int i = 0; i < removedCount; i++) { 21759 deletePackageIfUnusedLPr(removedFromList.get(i)); 21760 } 21761 } 21762 } 21763 } 21764 21765 @Override 21766 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21767 synchronized (mPackages) { 21768 // If we do not support permission review, done. 21769 if (!mPermissionReviewRequired) { 21770 return false; 21771 } 21772 21773 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21774 if (packageSetting == null) { 21775 return false; 21776 } 21777 21778 // Permission review applies only to apps not supporting the new permission model. 21779 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21780 return false; 21781 } 21782 21783 // Legacy apps have the permission and get user consent on launch. 21784 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21785 return permissionsState.isPermissionReviewRequired(userId); 21786 } 21787 } 21788 21789 @Override 21790 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21791 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21792 } 21793 21794 @Override 21795 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21796 int userId) { 21797 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21798 } 21799 21800 @Override 21801 public void setDeviceAndProfileOwnerPackages( 21802 int deviceOwnerUserId, String deviceOwnerPackage, 21803 SparseArray<String> profileOwnerPackages) { 21804 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21805 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21806 } 21807 21808 @Override 21809 public boolean isPackageDataProtected(int userId, String packageName) { 21810 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21811 } 21812 21813 @Override 21814 public boolean isPackageEphemeral(int userId, String packageName) { 21815 synchronized (mPackages) { 21816 PackageParser.Package p = mPackages.get(packageName); 21817 return p != null ? p.applicationInfo.isEphemeralApp() : false; 21818 } 21819 } 21820 21821 @Override 21822 public boolean wasPackageEverLaunched(String packageName, int userId) { 21823 synchronized (mPackages) { 21824 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21825 } 21826 } 21827 21828 @Override 21829 public void grantRuntimePermission(String packageName, String name, int userId, 21830 boolean overridePolicy) { 21831 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21832 overridePolicy); 21833 } 21834 21835 @Override 21836 public void revokeRuntimePermission(String packageName, String name, int userId, 21837 boolean overridePolicy) { 21838 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21839 overridePolicy); 21840 } 21841 21842 @Override 21843 public String getNameForUid(int uid) { 21844 return PackageManagerService.this.getNameForUid(uid); 21845 } 21846 21847 @Override 21848 public void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 21849 Intent origIntent, String resolvedType, Intent launchIntent, 21850 String callingPackage, int userId) { 21851 PackageManagerService.this.requestEphemeralResolutionPhaseTwo( 21852 responseObj, origIntent, resolvedType, launchIntent, callingPackage, userId); 21853 } 21854 21855 public String getSetupWizardPackageName() { 21856 return mSetupWizardPackage; 21857 } 21858 } 21859 21860 @Override 21861 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21862 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21863 synchronized (mPackages) { 21864 final long identity = Binder.clearCallingIdentity(); 21865 try { 21866 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21867 packageNames, userId); 21868 } finally { 21869 Binder.restoreCallingIdentity(identity); 21870 } 21871 } 21872 } 21873 21874 private static void enforceSystemOrPhoneCaller(String tag) { 21875 int callingUid = Binder.getCallingUid(); 21876 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21877 throw new SecurityException( 21878 "Cannot call " + tag + " from UID " + callingUid); 21879 } 21880 } 21881 21882 boolean isHistoricalPackageUsageAvailable() { 21883 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21884 } 21885 21886 /** 21887 * Return a <b>copy</b> of the collection of packages known to the package manager. 21888 * @return A copy of the values of mPackages. 21889 */ 21890 Collection<PackageParser.Package> getPackages() { 21891 synchronized (mPackages) { 21892 return new ArrayList<>(mPackages.values()); 21893 } 21894 } 21895 21896 /** 21897 * Logs process start information (including base APK hash) to the security log. 21898 * @hide 21899 */ 21900 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 21901 String apkFile, int pid) { 21902 if (!SecurityLog.isLoggingEnabled()) { 21903 return; 21904 } 21905 Bundle data = new Bundle(); 21906 data.putLong("startTimestamp", System.currentTimeMillis()); 21907 data.putString("processName", processName); 21908 data.putInt("uid", uid); 21909 data.putString("seinfo", seinfo); 21910 data.putString("apkFile", apkFile); 21911 data.putInt("pid", pid); 21912 Message msg = mProcessLoggingHandler.obtainMessage( 21913 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 21914 msg.setData(data); 21915 mProcessLoggingHandler.sendMessage(msg); 21916 } 21917 21918 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 21919 return mCompilerStats.getPackageStats(pkgName); 21920 } 21921 21922 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 21923 return getOrCreateCompilerPackageStats(pkg.packageName); 21924 } 21925 21926 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 21927 return mCompilerStats.getOrCreatePackageStats(pkgName); 21928 } 21929 21930 public void deleteCompilerPackageStats(String pkgName) { 21931 mCompilerStats.deletePackageStats(pkgName); 21932 } 21933 21934 @Override 21935 public int getInstallReason(String packageName, int userId) { 21936 enforceCrossUserPermission(Binder.getCallingUid(), userId, 21937 true /* requireFullPermission */, false /* checkShell */, 21938 "get install reason"); 21939 synchronized (mPackages) { 21940 final PackageSetting ps = mSettings.mPackages.get(packageName); 21941 if (ps != null) { 21942 return ps.getInstallReason(userId); 21943 } 21944 } 21945 return PackageManager.INSTALL_REASON_UNKNOWN; 21946 } 21947} 21948