PackageManagerService.java revision d9fa667e2db634ceedbbb793ab3210cb7b229920
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. Also 1717 // for legacy apps in permission review mode we clear the permission 1718 // review flag which is used to emulate runtime permissions for 1719 // legacy apps. 1720 if (grantPermissions) { 1721 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1722 } 1723 1724 final boolean update = res.removedInfo != null 1725 && res.removedInfo.removedPackage != null; 1726 1727 // If this is the first time we have child packages for a disabled privileged 1728 // app that had no children, we grant requested runtime permissions to the new 1729 // children if the parent on the system image had them already granted. 1730 if (res.pkg.parentPackage != null) { 1731 synchronized (mPackages) { 1732 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1733 } 1734 } 1735 1736 synchronized (mPackages) { 1737 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1738 } 1739 1740 final String packageName = res.pkg.applicationInfo.packageName; 1741 1742 // Determine the set of users who are adding this package for 1743 // the first time vs. those who are seeing an update. 1744 int[] firstUsers = EMPTY_INT_ARRAY; 1745 int[] updateUsers = EMPTY_INT_ARRAY; 1746 if (res.origUsers == null || res.origUsers.length == 0) { 1747 firstUsers = res.newUsers; 1748 } else { 1749 for (int newUser : res.newUsers) { 1750 boolean isNew = true; 1751 for (int origUser : res.origUsers) { 1752 if (origUser == newUser) { 1753 isNew = false; 1754 break; 1755 } 1756 } 1757 if (isNew) { 1758 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1759 } else { 1760 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1761 } 1762 } 1763 } 1764 1765 // Send installed broadcasts if the install/update is not ephemeral 1766 if (!isEphemeral(res.pkg)) { 1767 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1768 1769 // Send added for users that see the package for the first time 1770 // sendPackageAddedForNewUsers also deals with system apps 1771 int appId = UserHandle.getAppId(res.uid); 1772 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1773 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1774 1775 // Send added for users that don't see the package for the first time 1776 Bundle extras = new Bundle(1); 1777 extras.putInt(Intent.EXTRA_UID, res.uid); 1778 if (update) { 1779 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1780 } 1781 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1782 extras, 0 /*flags*/, null /*targetPackage*/, 1783 null /*finishedReceiver*/, updateUsers); 1784 1785 // Send replaced for users that don't see the package for the first time 1786 if (update) { 1787 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1788 packageName, extras, 0 /*flags*/, 1789 null /*targetPackage*/, null /*finishedReceiver*/, 1790 updateUsers); 1791 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1792 null /*package*/, null /*extras*/, 0 /*flags*/, 1793 packageName /*targetPackage*/, 1794 null /*finishedReceiver*/, updateUsers); 1795 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1796 // First-install and we did a restore, so we're responsible for the 1797 // first-launch broadcast. 1798 if (DEBUG_BACKUP) { 1799 Slog.i(TAG, "Post-restore of " + packageName 1800 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1801 } 1802 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1803 } 1804 1805 // Send broadcast package appeared if forward locked/external for all users 1806 // treat asec-hosted packages like removable media on upgrade 1807 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1808 if (DEBUG_INSTALL) { 1809 Slog.i(TAG, "upgrading pkg " + res.pkg 1810 + " is ASEC-hosted -> AVAILABLE"); 1811 } 1812 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1813 ArrayList<String> pkgList = new ArrayList<>(1); 1814 pkgList.add(packageName); 1815 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1816 } 1817 } 1818 1819 // Work that needs to happen on first install within each user 1820 if (firstUsers != null && firstUsers.length > 0) { 1821 synchronized (mPackages) { 1822 for (int userId : firstUsers) { 1823 // If this app is a browser and it's newly-installed for some 1824 // users, clear any default-browser state in those users. The 1825 // app's nature doesn't depend on the user, so we can just check 1826 // its browser nature in any user and generalize. 1827 if (packageIsBrowser(packageName, userId)) { 1828 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1829 } 1830 1831 // We may also need to apply pending (restored) runtime 1832 // permission grants within these users. 1833 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1834 } 1835 } 1836 } 1837 1838 // Log current value of "unknown sources" setting 1839 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1840 getUnknownSourcesSettings()); 1841 1842 // Force a gc to clear up things 1843 Runtime.getRuntime().gc(); 1844 1845 // Remove the replaced package's older resources safely now 1846 // We delete after a gc for applications on sdcard. 1847 if (res.removedInfo != null && res.removedInfo.args != null) { 1848 synchronized (mInstallLock) { 1849 res.removedInfo.args.doPostDeleteLI(true); 1850 } 1851 } 1852 } 1853 1854 // If someone is watching installs - notify them 1855 if (installObserver != null) { 1856 try { 1857 Bundle extras = extrasForInstallResult(res); 1858 installObserver.onPackageInstalled(res.name, res.returnCode, 1859 res.returnMsg, extras); 1860 } catch (RemoteException e) { 1861 Slog.i(TAG, "Observer no longer exists."); 1862 } 1863 } 1864 } 1865 1866 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1867 PackageParser.Package pkg) { 1868 if (pkg.parentPackage == null) { 1869 return; 1870 } 1871 if (pkg.requestedPermissions == null) { 1872 return; 1873 } 1874 final PackageSetting disabledSysParentPs = mSettings 1875 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1876 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1877 || !disabledSysParentPs.isPrivileged() 1878 || (disabledSysParentPs.childPackageNames != null 1879 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1880 return; 1881 } 1882 final int[] allUserIds = sUserManager.getUserIds(); 1883 final int permCount = pkg.requestedPermissions.size(); 1884 for (int i = 0; i < permCount; i++) { 1885 String permission = pkg.requestedPermissions.get(i); 1886 BasePermission bp = mSettings.mPermissions.get(permission); 1887 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1888 continue; 1889 } 1890 for (int userId : allUserIds) { 1891 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1892 permission, userId)) { 1893 grantRuntimePermission(pkg.packageName, permission, userId); 1894 } 1895 } 1896 } 1897 } 1898 1899 private StorageEventListener mStorageListener = new StorageEventListener() { 1900 @Override 1901 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1902 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1903 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1904 final String volumeUuid = vol.getFsUuid(); 1905 1906 // Clean up any users or apps that were removed or recreated 1907 // while this volume was missing 1908 reconcileUsers(volumeUuid); 1909 reconcileApps(volumeUuid); 1910 1911 // Clean up any install sessions that expired or were 1912 // cancelled while this volume was missing 1913 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1914 1915 loadPrivatePackages(vol); 1916 1917 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1918 unloadPrivatePackages(vol); 1919 } 1920 } 1921 1922 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1923 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1924 updateExternalMediaStatus(true, false); 1925 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1926 updateExternalMediaStatus(false, false); 1927 } 1928 } 1929 } 1930 1931 @Override 1932 public void onVolumeForgotten(String fsUuid) { 1933 if (TextUtils.isEmpty(fsUuid)) { 1934 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1935 return; 1936 } 1937 1938 // Remove any apps installed on the forgotten volume 1939 synchronized (mPackages) { 1940 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1941 for (PackageSetting ps : packages) { 1942 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1943 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1944 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1945 1946 // Try very hard to release any references to this package 1947 // so we don't risk the system server being killed due to 1948 // open FDs 1949 AttributeCache.instance().removePackage(ps.name); 1950 } 1951 1952 mSettings.onVolumeForgotten(fsUuid); 1953 mSettings.writeLPr(); 1954 } 1955 } 1956 }; 1957 1958 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1959 String[] grantedPermissions) { 1960 for (int userId : userIds) { 1961 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1962 } 1963 } 1964 1965 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1966 String[] grantedPermissions) { 1967 SettingBase sb = (SettingBase) pkg.mExtras; 1968 if (sb == null) { 1969 return; 1970 } 1971 1972 PermissionsState permissionsState = sb.getPermissionsState(); 1973 1974 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1975 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1976 1977 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 1978 >= Build.VERSION_CODES.M; 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 if (supportsRuntimePermissions) { 1990 // Installer cannot change immutable permissions. 1991 if ((flags & immutableFlags) == 0) { 1992 grantRuntimePermission(pkg.packageName, permission, userId); 1993 } 1994 } else if (mPermissionReviewRequired) { 1995 // In permission review mode we clear the review flag when we 1996 // are asked to install the app with all permissions granted. 1997 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 1998 updatePermissionFlags(permission, pkg.packageName, 1999 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2000 } 2001 } 2002 } 2003 } 2004 } 2005 2006 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2007 Bundle extras = null; 2008 switch (res.returnCode) { 2009 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2010 extras = new Bundle(); 2011 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2012 res.origPermission); 2013 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2014 res.origPackage); 2015 break; 2016 } 2017 case PackageManager.INSTALL_SUCCEEDED: { 2018 extras = new Bundle(); 2019 extras.putBoolean(Intent.EXTRA_REPLACING, 2020 res.removedInfo != null && res.removedInfo.removedPackage != null); 2021 break; 2022 } 2023 } 2024 return extras; 2025 } 2026 2027 void scheduleWriteSettingsLocked() { 2028 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2029 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2030 } 2031 } 2032 2033 void scheduleWritePackageListLocked(int userId) { 2034 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2035 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2036 msg.arg1 = userId; 2037 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2038 } 2039 } 2040 2041 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2042 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2043 scheduleWritePackageRestrictionsLocked(userId); 2044 } 2045 2046 void scheduleWritePackageRestrictionsLocked(int userId) { 2047 final int[] userIds = (userId == UserHandle.USER_ALL) 2048 ? sUserManager.getUserIds() : new int[]{userId}; 2049 for (int nextUserId : userIds) { 2050 if (!sUserManager.exists(nextUserId)) return; 2051 mDirtyUsers.add(nextUserId); 2052 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2053 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2054 } 2055 } 2056 } 2057 2058 public static PackageManagerService main(Context context, Installer installer, 2059 boolean factoryTest, boolean onlyCore) { 2060 // Self-check for initial settings. 2061 PackageManagerServiceCompilerMapping.checkProperties(); 2062 2063 PackageManagerService m = new PackageManagerService(context, installer, 2064 factoryTest, onlyCore); 2065 m.enableSystemUserPackages(); 2066 ServiceManager.addService("package", m); 2067 return m; 2068 } 2069 2070 private void enableSystemUserPackages() { 2071 if (!UserManager.isSplitSystemUser()) { 2072 return; 2073 } 2074 // For system user, enable apps based on the following conditions: 2075 // - app is whitelisted or belong to one of these groups: 2076 // -- system app which has no launcher icons 2077 // -- system app which has INTERACT_ACROSS_USERS permission 2078 // -- system IME app 2079 // - app is not in the blacklist 2080 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2081 Set<String> enableApps = new ArraySet<>(); 2082 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2083 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2084 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2085 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2086 enableApps.addAll(wlApps); 2087 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2088 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2089 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2090 enableApps.removeAll(blApps); 2091 Log.i(TAG, "Applications installed for system user: " + enableApps); 2092 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2093 UserHandle.SYSTEM); 2094 final int allAppsSize = allAps.size(); 2095 synchronized (mPackages) { 2096 for (int i = 0; i < allAppsSize; i++) { 2097 String pName = allAps.get(i); 2098 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2099 // Should not happen, but we shouldn't be failing if it does 2100 if (pkgSetting == null) { 2101 continue; 2102 } 2103 boolean install = enableApps.contains(pName); 2104 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2105 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2106 + " for system user"); 2107 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2108 } 2109 } 2110 } 2111 } 2112 2113 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2114 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2115 Context.DISPLAY_SERVICE); 2116 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2117 } 2118 2119 /** 2120 * Requests that files preopted on a secondary system partition be copied to the data partition 2121 * if possible. Note that the actual copying of the files is accomplished by init for security 2122 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2123 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2124 */ 2125 private static void requestCopyPreoptedFiles() { 2126 final int WAIT_TIME_MS = 100; 2127 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2128 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2129 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2130 // We will wait for up to 100 seconds. 2131 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2132 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2133 try { 2134 Thread.sleep(WAIT_TIME_MS); 2135 } catch (InterruptedException e) { 2136 // Do nothing 2137 } 2138 if (SystemClock.uptimeMillis() > timeEnd) { 2139 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2140 Slog.wtf(TAG, "cppreopt did not finish!"); 2141 break; 2142 } 2143 } 2144 } 2145 } 2146 2147 public PackageManagerService(Context context, Installer installer, 2148 boolean factoryTest, boolean onlyCore) { 2149 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2150 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2151 SystemClock.uptimeMillis()); 2152 2153 if (mSdkVersion <= 0) { 2154 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2155 } 2156 2157 mContext = context; 2158 2159 mPermissionReviewRequired = context.getResources().getBoolean( 2160 R.bool.config_permissionReviewRequired); 2161 2162 mFactoryTest = factoryTest; 2163 mOnlyCore = onlyCore; 2164 mMetrics = new DisplayMetrics(); 2165 mSettings = new Settings(mPackages); 2166 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2167 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2168 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2169 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2170 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2171 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2172 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2173 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2174 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2175 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2176 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2177 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2178 2179 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2180 if (separateProcesses != null && separateProcesses.length() > 0) { 2181 if ("*".equals(separateProcesses)) { 2182 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2183 mSeparateProcesses = null; 2184 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2185 } else { 2186 mDefParseFlags = 0; 2187 mSeparateProcesses = separateProcesses.split(","); 2188 Slog.w(TAG, "Running with debug.separate_processes: " 2189 + separateProcesses); 2190 } 2191 } else { 2192 mDefParseFlags = 0; 2193 mSeparateProcesses = null; 2194 } 2195 2196 mInstaller = installer; 2197 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2198 "*dexopt*"); 2199 mDexManager = new DexManager(); 2200 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2201 2202 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2203 FgThread.get().getLooper()); 2204 2205 getDefaultDisplayMetrics(context, mMetrics); 2206 2207 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2208 SystemConfig systemConfig = SystemConfig.getInstance(); 2209 mGlobalGids = systemConfig.getGlobalGids(); 2210 mSystemPermissions = systemConfig.getSystemPermissions(); 2211 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2212 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2213 2214 mProtectedPackages = new ProtectedPackages(mContext); 2215 2216 synchronized (mInstallLock) { 2217 // writer 2218 synchronized (mPackages) { 2219 mHandlerThread = new ServiceThread(TAG, 2220 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2221 mHandlerThread.start(); 2222 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2223 mProcessLoggingHandler = new ProcessLoggingHandler(); 2224 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2225 2226 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2227 2228 File dataDir = Environment.getDataDirectory(); 2229 mAppInstallDir = new File(dataDir, "app"); 2230 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2231 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2232 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2233 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2234 2235 sUserManager = new UserManagerService(context, this, mPackages); 2236 2237 // Propagate permission configuration in to package manager. 2238 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2239 = systemConfig.getPermissions(); 2240 for (int i=0; i<permConfig.size(); i++) { 2241 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2242 BasePermission bp = mSettings.mPermissions.get(perm.name); 2243 if (bp == null) { 2244 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2245 mSettings.mPermissions.put(perm.name, bp); 2246 } 2247 if (perm.gids != null) { 2248 bp.setGids(perm.gids, perm.perUser); 2249 } 2250 } 2251 2252 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2253 for (int i=0; i<libConfig.size(); i++) { 2254 mSharedLibraries.put(libConfig.keyAt(i), 2255 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2256 } 2257 2258 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2259 2260 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2261 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2262 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2263 2264 // Clean up orphaned packages for which the code path doesn't exist 2265 // and they are an update to a system app - caused by bug/32321269 2266 final int packageSettingCount = mSettings.mPackages.size(); 2267 for (int i = packageSettingCount - 1; i >= 0; i--) { 2268 PackageSetting ps = mSettings.mPackages.valueAt(i); 2269 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2270 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2271 mSettings.mPackages.removeAt(i); 2272 mSettings.enableSystemPackageLPw(ps.name); 2273 } 2274 } 2275 2276 if (mFirstBoot) { 2277 requestCopyPreoptedFiles(); 2278 } 2279 2280 String customResolverActivity = Resources.getSystem().getString( 2281 R.string.config_customResolverActivity); 2282 if (TextUtils.isEmpty(customResolverActivity)) { 2283 customResolverActivity = null; 2284 } else { 2285 mCustomResolverComponentName = ComponentName.unflattenFromString( 2286 customResolverActivity); 2287 } 2288 2289 long startTime = SystemClock.uptimeMillis(); 2290 2291 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2292 startTime); 2293 2294 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2295 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2296 2297 if (bootClassPath == null) { 2298 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2299 } 2300 2301 if (systemServerClassPath == null) { 2302 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2303 } 2304 2305 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2306 final String[] dexCodeInstructionSets = 2307 getDexCodeInstructionSets( 2308 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2309 2310 /** 2311 * Ensure all external libraries have had dexopt run on them. 2312 */ 2313 if (mSharedLibraries.size() > 0) { 2314 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2315 // NOTE: For now, we're compiling these system "shared libraries" 2316 // (and framework jars) into all available architectures. It's possible 2317 // to compile them only when we come across an app that uses them (there's 2318 // already logic for that in scanPackageLI) but that adds some complexity. 2319 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2320 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2321 final String lib = libEntry.path; 2322 if (lib == null) { 2323 continue; 2324 } 2325 2326 try { 2327 // Shared libraries do not have profiles so we perform a full 2328 // AOT compilation (if needed). 2329 int dexoptNeeded = DexFile.getDexOptNeeded( 2330 lib, dexCodeInstructionSet, 2331 getCompilerFilterForReason(REASON_SHARED_APK), 2332 false /* newProfile */); 2333 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2334 mInstaller.dexopt(lib, Process.SYSTEM_UID, "*", 2335 dexCodeInstructionSet, dexoptNeeded, null, 2336 DEXOPT_PUBLIC, 2337 getCompilerFilterForReason(REASON_SHARED_APK), 2338 StorageManager.UUID_PRIVATE_INTERNAL, 2339 SKIP_SHARED_LIBRARY_CHECK); 2340 } 2341 } catch (FileNotFoundException e) { 2342 Slog.w(TAG, "Library not found: " + lib); 2343 } catch (IOException | InstallerException e) { 2344 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2345 + e.getMessage()); 2346 } 2347 } 2348 } 2349 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2350 } 2351 2352 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2353 2354 final VersionInfo ver = mSettings.getInternalVersion(); 2355 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2356 2357 // when upgrading from pre-M, promote system app permissions from install to runtime 2358 mPromoteSystemApps = 2359 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2360 2361 // When upgrading from pre-N, we need to handle package extraction like first boot, 2362 // as there is no profiling data available. 2363 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2364 2365 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2366 2367 // save off the names of pre-existing system packages prior to scanning; we don't 2368 // want to automatically grant runtime permissions for new system apps 2369 if (mPromoteSystemApps) { 2370 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2371 while (pkgSettingIter.hasNext()) { 2372 PackageSetting ps = pkgSettingIter.next(); 2373 if (isSystemApp(ps)) { 2374 mExistingSystemPackages.add(ps.name); 2375 } 2376 } 2377 } 2378 2379 mCacheDir = preparePackageParserCache(mIsUpgrade); 2380 2381 // Set flag to monitor and not change apk file paths when 2382 // scanning install directories. 2383 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2384 2385 if (mIsUpgrade || mFirstBoot) { 2386 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2387 } 2388 2389 // Collect vendor overlay packages. (Do this before scanning any apps.) 2390 // For security and version matching reason, only consider 2391 // overlay packages if they reside in the right directory. 2392 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2393 if (overlayThemeDir.isEmpty()) { 2394 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2395 } 2396 if (!overlayThemeDir.isEmpty()) { 2397 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2398 | PackageParser.PARSE_IS_SYSTEM 2399 | PackageParser.PARSE_IS_SYSTEM_DIR 2400 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2401 } 2402 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2403 | PackageParser.PARSE_IS_SYSTEM 2404 | PackageParser.PARSE_IS_SYSTEM_DIR 2405 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2406 2407 // Find base frameworks (resource packages without code). 2408 scanDirTracedLI(frameworkDir, mDefParseFlags 2409 | PackageParser.PARSE_IS_SYSTEM 2410 | PackageParser.PARSE_IS_SYSTEM_DIR 2411 | PackageParser.PARSE_IS_PRIVILEGED, 2412 scanFlags | SCAN_NO_DEX, 0); 2413 2414 // Collected privileged system packages. 2415 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2416 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2417 | PackageParser.PARSE_IS_SYSTEM 2418 | PackageParser.PARSE_IS_SYSTEM_DIR 2419 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2420 2421 // Collect ordinary system packages. 2422 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2423 scanDirTracedLI(systemAppDir, mDefParseFlags 2424 | PackageParser.PARSE_IS_SYSTEM 2425 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2426 2427 // Collect all vendor packages. 2428 File vendorAppDir = new File("/vendor/app"); 2429 try { 2430 vendorAppDir = vendorAppDir.getCanonicalFile(); 2431 } catch (IOException e) { 2432 // failed to look up canonical path, continue with original one 2433 } 2434 scanDirTracedLI(vendorAppDir, mDefParseFlags 2435 | PackageParser.PARSE_IS_SYSTEM 2436 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2437 2438 // Collect all OEM packages. 2439 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2440 scanDirTracedLI(oemAppDir, mDefParseFlags 2441 | PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2443 2444 // Prune any system packages that no longer exist. 2445 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2446 if (!mOnlyCore) { 2447 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2448 while (psit.hasNext()) { 2449 PackageSetting ps = psit.next(); 2450 2451 /* 2452 * If this is not a system app, it can't be a 2453 * disable system app. 2454 */ 2455 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2456 continue; 2457 } 2458 2459 /* 2460 * If the package is scanned, it's not erased. 2461 */ 2462 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2463 if (scannedPkg != null) { 2464 /* 2465 * If the system app is both scanned and in the 2466 * disabled packages list, then it must have been 2467 * added via OTA. Remove it from the currently 2468 * scanned package so the previously user-installed 2469 * application can be scanned. 2470 */ 2471 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2472 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2473 + ps.name + "; removing system app. Last known codePath=" 2474 + ps.codePathString + ", installStatus=" + ps.installStatus 2475 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2476 + scannedPkg.mVersionCode); 2477 removePackageLI(scannedPkg, true); 2478 mExpectingBetter.put(ps.name, ps.codePath); 2479 } 2480 2481 continue; 2482 } 2483 2484 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2485 psit.remove(); 2486 logCriticalInfo(Log.WARN, "System package " + ps.name 2487 + " no longer exists; it's data will be wiped"); 2488 // Actual deletion of code and data will be handled by later 2489 // reconciliation step 2490 } else { 2491 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2492 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2493 possiblyDeletedUpdatedSystemApps.add(ps.name); 2494 } 2495 } 2496 } 2497 } 2498 2499 //look for any incomplete package installations 2500 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2501 for (int i = 0; i < deletePkgsList.size(); i++) { 2502 // Actual deletion of code and data will be handled by later 2503 // reconciliation step 2504 final String packageName = deletePkgsList.get(i).name; 2505 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2506 synchronized (mPackages) { 2507 mSettings.removePackageLPw(packageName); 2508 } 2509 } 2510 2511 //delete tmp files 2512 deleteTempPackageFiles(); 2513 2514 // Remove any shared userIDs that have no associated packages 2515 mSettings.pruneSharedUsersLPw(); 2516 2517 if (!mOnlyCore) { 2518 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2519 SystemClock.uptimeMillis()); 2520 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2521 2522 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2523 | PackageParser.PARSE_FORWARD_LOCK, 2524 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2525 2526 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2527 | PackageParser.PARSE_IS_EPHEMERAL, 2528 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2529 2530 /** 2531 * Remove disable package settings for any updated system 2532 * apps that were removed via an OTA. If they're not a 2533 * previously-updated app, remove them completely. 2534 * Otherwise, just revoke their system-level permissions. 2535 */ 2536 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2537 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2538 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2539 2540 String msg; 2541 if (deletedPkg == null) { 2542 msg = "Updated system package " + deletedAppName 2543 + " no longer exists; it's data will be wiped"; 2544 // Actual deletion of code and data will be handled by later 2545 // reconciliation step 2546 } else { 2547 msg = "Updated system app + " + deletedAppName 2548 + " no longer present; removing system privileges for " 2549 + deletedAppName; 2550 2551 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2552 2553 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2554 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2555 } 2556 logCriticalInfo(Log.WARN, msg); 2557 } 2558 2559 /** 2560 * Make sure all system apps that we expected to appear on 2561 * the userdata partition actually showed up. If they never 2562 * appeared, crawl back and revive the system version. 2563 */ 2564 for (int i = 0; i < mExpectingBetter.size(); i++) { 2565 final String packageName = mExpectingBetter.keyAt(i); 2566 if (!mPackages.containsKey(packageName)) { 2567 final File scanFile = mExpectingBetter.valueAt(i); 2568 2569 logCriticalInfo(Log.WARN, "Expected better " + packageName 2570 + " but never showed up; reverting to system"); 2571 2572 int reparseFlags = mDefParseFlags; 2573 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2574 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2575 | PackageParser.PARSE_IS_SYSTEM_DIR 2576 | PackageParser.PARSE_IS_PRIVILEGED; 2577 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2578 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2579 | PackageParser.PARSE_IS_SYSTEM_DIR; 2580 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2581 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2582 | PackageParser.PARSE_IS_SYSTEM_DIR; 2583 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2584 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2585 | PackageParser.PARSE_IS_SYSTEM_DIR; 2586 } else { 2587 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2588 continue; 2589 } 2590 2591 mSettings.enableSystemPackageLPw(packageName); 2592 2593 try { 2594 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2595 } catch (PackageManagerException e) { 2596 Slog.e(TAG, "Failed to parse original system package: " 2597 + e.getMessage()); 2598 } 2599 } 2600 } 2601 } 2602 mExpectingBetter.clear(); 2603 2604 // Resolve the storage manager. 2605 mStorageManagerPackage = getStorageManagerPackageName(); 2606 2607 // Resolve protected action filters. Only the setup wizard is allowed to 2608 // have a high priority filter for these actions. 2609 mSetupWizardPackage = getSetupWizardPackageName(); 2610 if (mProtectedFilters.size() > 0) { 2611 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2612 Slog.i(TAG, "No setup wizard;" 2613 + " All protected intents capped to priority 0"); 2614 } 2615 for (ActivityIntentInfo filter : mProtectedFilters) { 2616 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2617 if (DEBUG_FILTERS) { 2618 Slog.i(TAG, "Found setup wizard;" 2619 + " allow priority " + filter.getPriority() + ";" 2620 + " package: " + filter.activity.info.packageName 2621 + " activity: " + filter.activity.className 2622 + " priority: " + filter.getPriority()); 2623 } 2624 // skip setup wizard; allow it to keep the high priority filter 2625 continue; 2626 } 2627 Slog.w(TAG, "Protected action; cap priority to 0;" 2628 + " package: " + filter.activity.info.packageName 2629 + " activity: " + filter.activity.className 2630 + " origPrio: " + filter.getPriority()); 2631 filter.setPriority(0); 2632 } 2633 } 2634 mDeferProtectedFilters = false; 2635 mProtectedFilters.clear(); 2636 2637 // Now that we know all of the shared libraries, update all clients to have 2638 // the correct library paths. 2639 updateAllSharedLibrariesLPw(); 2640 2641 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2642 // NOTE: We ignore potential failures here during a system scan (like 2643 // the rest of the commands above) because there's precious little we 2644 // can do about it. A settings error is reported, though. 2645 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2646 } 2647 2648 // Now that we know all the packages we are keeping, 2649 // read and update their last usage times. 2650 mPackageUsage.read(mPackages); 2651 mCompilerStats.read(); 2652 2653 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2654 SystemClock.uptimeMillis()); 2655 Slog.i(TAG, "Time to scan packages: " 2656 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2657 + " seconds"); 2658 2659 // If the platform SDK has changed since the last time we booted, 2660 // we need to re-grant app permission to catch any new ones that 2661 // appear. This is really a hack, and means that apps can in some 2662 // cases get permissions that the user didn't initially explicitly 2663 // allow... it would be nice to have some better way to handle 2664 // this situation. 2665 int updateFlags = UPDATE_PERMISSIONS_ALL; 2666 if (ver.sdkVersion != mSdkVersion) { 2667 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2668 + mSdkVersion + "; regranting permissions for internal storage"); 2669 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2670 } 2671 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2672 ver.sdkVersion = mSdkVersion; 2673 2674 // If this is the first boot or an update from pre-M, and it is a normal 2675 // boot, then we need to initialize the default preferred apps across 2676 // all defined users. 2677 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2678 for (UserInfo user : sUserManager.getUsers(true)) { 2679 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2680 applyFactoryDefaultBrowserLPw(user.id); 2681 primeDomainVerificationsLPw(user.id); 2682 } 2683 } 2684 2685 // Prepare storage for system user really early during boot, 2686 // since core system apps like SettingsProvider and SystemUI 2687 // can't wait for user to start 2688 final int storageFlags; 2689 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2690 storageFlags = StorageManager.FLAG_STORAGE_DE; 2691 } else { 2692 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2693 } 2694 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2695 storageFlags, true /* migrateAppData */); 2696 2697 // If this is first boot after an OTA, and a normal boot, then 2698 // we need to clear code cache directories. 2699 // Note that we do *not* clear the application profiles. These remain valid 2700 // across OTAs and are used to drive profile verification (post OTA) and 2701 // profile compilation (without waiting to collect a fresh set of profiles). 2702 if (mIsUpgrade && !onlyCore) { 2703 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2704 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2705 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2706 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2707 // No apps are running this early, so no need to freeze 2708 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2709 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2710 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2711 } 2712 } 2713 ver.fingerprint = Build.FINGERPRINT; 2714 } 2715 2716 checkDefaultBrowser(); 2717 2718 // clear only after permissions and other defaults have been updated 2719 mExistingSystemPackages.clear(); 2720 mPromoteSystemApps = false; 2721 2722 // All the changes are done during package scanning. 2723 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2724 2725 // can downgrade to reader 2726 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2727 mSettings.writeLPr(); 2728 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2729 2730 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2731 // early on (before the package manager declares itself as early) because other 2732 // components in the system server might ask for package contexts for these apps. 2733 // 2734 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2735 // (i.e, that the data partition is unavailable). 2736 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2737 long start = System.nanoTime(); 2738 List<PackageParser.Package> coreApps = new ArrayList<>(); 2739 for (PackageParser.Package pkg : mPackages.values()) { 2740 if (pkg.coreApp) { 2741 coreApps.add(pkg); 2742 } 2743 } 2744 2745 int[] stats = performDexOptUpgrade(coreApps, false, 2746 getCompilerFilterForReason(REASON_CORE_APP)); 2747 2748 final int elapsedTimeSeconds = 2749 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2750 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2751 2752 if (DEBUG_DEXOPT) { 2753 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2754 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2755 } 2756 2757 2758 // TODO: Should we log these stats to tron too ? 2759 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2760 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2761 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2762 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2763 } 2764 2765 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2766 SystemClock.uptimeMillis()); 2767 2768 if (!mOnlyCore) { 2769 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2770 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2771 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2772 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2773 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2774 mIntentFilterVerifierComponent); 2775 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2776 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2777 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2778 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2779 } else { 2780 mRequiredVerifierPackage = null; 2781 mRequiredInstallerPackage = null; 2782 mRequiredUninstallerPackage = null; 2783 mIntentFilterVerifierComponent = null; 2784 mIntentFilterVerifier = null; 2785 mServicesSystemSharedLibraryPackageName = null; 2786 mSharedSystemSharedLibraryPackageName = null; 2787 } 2788 2789 mInstallerService = new PackageInstallerService(context, this); 2790 2791 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2792 if (ephemeralResolverComponent != null) { 2793 if (DEBUG_EPHEMERAL) { 2794 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2795 } 2796 mEphemeralResolverConnection = 2797 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2798 } else { 2799 mEphemeralResolverConnection = null; 2800 } 2801 mEphemeralInstallerComponent = getEphemeralInstallerLPr(); 2802 if (mEphemeralInstallerComponent != null) { 2803 if (DEBUG_EPHEMERAL) { 2804 Slog.i(TAG, "Ephemeral installer: " + mEphemeralInstallerComponent); 2805 } 2806 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2807 } 2808 2809 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2810 2811 // Read and update the usage of dex files. 2812 // Do this at the end of PM init so that all the packages have their 2813 // data directory reconciled. 2814 // At this point we know the code paths of the packages, so we can validate 2815 // the disk file and build the internal cache. 2816 // The usage file is expected to be small so loading and verifying it 2817 // should take a fairly small time compare to the other activities (e.g. package 2818 // scanning). 2819 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2820 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2821 for (int userId : currentUserIds) { 2822 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2823 } 2824 mDexManager.load(userPackages); 2825 } // synchronized (mPackages) 2826 } // synchronized (mInstallLock) 2827 2828 // Now after opening every single application zip, make sure they 2829 // are all flushed. Not really needed, but keeps things nice and 2830 // tidy. 2831 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2832 Runtime.getRuntime().gc(); 2833 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2834 2835 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2836 FallbackCategoryProvider.loadFallbacks(); 2837 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2838 2839 // The initial scanning above does many calls into installd while 2840 // holding the mPackages lock, but we're mostly interested in yelling 2841 // once we have a booted system. 2842 mInstaller.setWarnIfHeld(mPackages); 2843 2844 // Expose private service for system components to use. 2845 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2846 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2847 } 2848 2849 private static File preparePackageParserCache(boolean isUpgrade) { 2850 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2851 return null; 2852 } 2853 2854 // Disable package parsing on eng builds to allow for faster incremental development. 2855 if ("eng".equals(Build.TYPE)) { 2856 return null; 2857 } 2858 2859 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2860 Slog.i(TAG, "Disabling package parser cache due to system property."); 2861 return null; 2862 } 2863 2864 // The base directory for the package parser cache lives under /data/system/. 2865 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2866 "package_cache"); 2867 if (cacheBaseDir == null) { 2868 return null; 2869 } 2870 2871 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2872 // This also serves to "GC" unused entries when the package cache version changes (which 2873 // can only happen during upgrades). 2874 if (isUpgrade) { 2875 FileUtils.deleteContents(cacheBaseDir); 2876 } 2877 2878 2879 // Return the versioned package cache directory. This is something like 2880 // "/data/system/package_cache/1" 2881 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2882 2883 // The following is a workaround to aid development on non-numbered userdebug 2884 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2885 // the system partition is newer. 2886 // 2887 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2888 // that starts with "eng." to signify that this is an engineering build and not 2889 // destined for release. 2890 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2891 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2892 2893 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2894 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2895 // in general and should not be used for production changes. In this specific case, 2896 // we know that they will work. 2897 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2898 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2899 FileUtils.deleteContents(cacheBaseDir); 2900 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2901 } 2902 } 2903 2904 return cacheDir; 2905 } 2906 2907 @Override 2908 public boolean isFirstBoot() { 2909 return mFirstBoot; 2910 } 2911 2912 @Override 2913 public boolean isOnlyCoreApps() { 2914 return mOnlyCore; 2915 } 2916 2917 @Override 2918 public boolean isUpgrade() { 2919 return mIsUpgrade; 2920 } 2921 2922 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2923 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2924 2925 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2926 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2927 UserHandle.USER_SYSTEM); 2928 if (matches.size() == 1) { 2929 return matches.get(0).getComponentInfo().packageName; 2930 } else if (matches.size() == 0) { 2931 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2932 return null; 2933 } 2934 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2935 } 2936 2937 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2938 synchronized (mPackages) { 2939 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2940 if (libraryEntry == null) { 2941 throw new IllegalStateException("Missing required shared library:" + libraryName); 2942 } 2943 return libraryEntry.apk; 2944 } 2945 } 2946 2947 private @NonNull String getRequiredInstallerLPr() { 2948 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2949 intent.addCategory(Intent.CATEGORY_DEFAULT); 2950 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2951 2952 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2953 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2954 UserHandle.USER_SYSTEM); 2955 if (matches.size() == 1) { 2956 ResolveInfo resolveInfo = matches.get(0); 2957 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2958 throw new RuntimeException("The installer must be a privileged app"); 2959 } 2960 return matches.get(0).getComponentInfo().packageName; 2961 } else { 2962 throw new RuntimeException("There must be exactly one installer; found " + matches); 2963 } 2964 } 2965 2966 private @NonNull String getRequiredUninstallerLPr() { 2967 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 2968 intent.addCategory(Intent.CATEGORY_DEFAULT); 2969 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 2970 2971 final ResolveInfo resolveInfo = resolveIntent(intent, null, 2972 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2973 UserHandle.USER_SYSTEM); 2974 if (resolveInfo == null || 2975 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 2976 throw new RuntimeException("There must be exactly one uninstaller; found " 2977 + resolveInfo); 2978 } 2979 return resolveInfo.getComponentInfo().packageName; 2980 } 2981 2982 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2983 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2984 2985 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2986 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2987 UserHandle.USER_SYSTEM); 2988 ResolveInfo best = null; 2989 final int N = matches.size(); 2990 for (int i = 0; i < N; i++) { 2991 final ResolveInfo cur = matches.get(i); 2992 final String packageName = cur.getComponentInfo().packageName; 2993 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2994 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2995 continue; 2996 } 2997 2998 if (best == null || cur.priority > best.priority) { 2999 best = cur; 3000 } 3001 } 3002 3003 if (best != null) { 3004 return best.getComponentInfo().getComponentName(); 3005 } else { 3006 throw new RuntimeException("There must be at least one intent filter verifier"); 3007 } 3008 } 3009 3010 private @Nullable ComponentName getEphemeralResolverLPr() { 3011 final String[] packageArray = 3012 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3013 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3014 if (DEBUG_EPHEMERAL) { 3015 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3016 } 3017 return null; 3018 } 3019 3020 final int resolveFlags = 3021 MATCH_DIRECT_BOOT_AWARE 3022 | MATCH_DIRECT_BOOT_UNAWARE 3023 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3024 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3025 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3026 resolveFlags, UserHandle.USER_SYSTEM); 3027 3028 final int N = resolvers.size(); 3029 if (N == 0) { 3030 if (DEBUG_EPHEMERAL) { 3031 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3032 } 3033 return null; 3034 } 3035 3036 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3037 for (int i = 0; i < N; i++) { 3038 final ResolveInfo info = resolvers.get(i); 3039 3040 if (info.serviceInfo == null) { 3041 continue; 3042 } 3043 3044 final String packageName = info.serviceInfo.packageName; 3045 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3046 if (DEBUG_EPHEMERAL) { 3047 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3048 + " pkg: " + packageName + ", info:" + info); 3049 } 3050 continue; 3051 } 3052 3053 if (DEBUG_EPHEMERAL) { 3054 Slog.v(TAG, "Ephemeral resolver found;" 3055 + " pkg: " + packageName + ", info:" + info); 3056 } 3057 return new ComponentName(packageName, info.serviceInfo.name); 3058 } 3059 if (DEBUG_EPHEMERAL) { 3060 Slog.v(TAG, "Ephemeral resolver NOT found"); 3061 } 3062 return null; 3063 } 3064 3065 private @Nullable ComponentName getEphemeralInstallerLPr() { 3066 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3067 intent.addCategory(Intent.CATEGORY_DEFAULT); 3068 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3069 3070 final int resolveFlags = 3071 MATCH_DIRECT_BOOT_AWARE 3072 | MATCH_DIRECT_BOOT_UNAWARE 3073 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3074 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3075 resolveFlags, UserHandle.USER_SYSTEM); 3076 Iterator<ResolveInfo> iter = matches.iterator(); 3077 while (iter.hasNext()) { 3078 final ResolveInfo rInfo = iter.next(); 3079 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3080 if (ps != null) { 3081 final PermissionsState permissionsState = ps.getPermissionsState(); 3082 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3083 continue; 3084 } 3085 } 3086 iter.remove(); 3087 } 3088 if (matches.size() == 0) { 3089 return null; 3090 } else if (matches.size() == 1) { 3091 return matches.get(0).getComponentInfo().getComponentName(); 3092 } else { 3093 throw new RuntimeException( 3094 "There must be at most one ephemeral installer; found " + matches); 3095 } 3096 } 3097 3098 private void primeDomainVerificationsLPw(int userId) { 3099 if (DEBUG_DOMAIN_VERIFICATION) { 3100 Slog.d(TAG, "Priming domain verifications in user " + userId); 3101 } 3102 3103 SystemConfig systemConfig = SystemConfig.getInstance(); 3104 ArraySet<String> packages = systemConfig.getLinkedApps(); 3105 3106 for (String packageName : packages) { 3107 PackageParser.Package pkg = mPackages.get(packageName); 3108 if (pkg != null) { 3109 if (!pkg.isSystemApp()) { 3110 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3111 continue; 3112 } 3113 3114 ArraySet<String> domains = null; 3115 for (PackageParser.Activity a : pkg.activities) { 3116 for (ActivityIntentInfo filter : a.intents) { 3117 if (hasValidDomains(filter)) { 3118 if (domains == null) { 3119 domains = new ArraySet<String>(); 3120 } 3121 domains.addAll(filter.getHostsList()); 3122 } 3123 } 3124 } 3125 3126 if (domains != null && domains.size() > 0) { 3127 if (DEBUG_DOMAIN_VERIFICATION) { 3128 Slog.v(TAG, " + " + packageName); 3129 } 3130 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3131 // state w.r.t. the formal app-linkage "no verification attempted" state; 3132 // and then 'always' in the per-user state actually used for intent resolution. 3133 final IntentFilterVerificationInfo ivi; 3134 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3135 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3136 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3137 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3138 } else { 3139 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3140 + "' does not handle web links"); 3141 } 3142 } else { 3143 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3144 } 3145 } 3146 3147 scheduleWritePackageRestrictionsLocked(userId); 3148 scheduleWriteSettingsLocked(); 3149 } 3150 3151 private void applyFactoryDefaultBrowserLPw(int userId) { 3152 // The default browser app's package name is stored in a string resource, 3153 // with a product-specific overlay used for vendor customization. 3154 String browserPkg = mContext.getResources().getString( 3155 com.android.internal.R.string.default_browser); 3156 if (!TextUtils.isEmpty(browserPkg)) { 3157 // non-empty string => required to be a known package 3158 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3159 if (ps == null) { 3160 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3161 browserPkg = null; 3162 } else { 3163 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3164 } 3165 } 3166 3167 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3168 // default. If there's more than one, just leave everything alone. 3169 if (browserPkg == null) { 3170 calculateDefaultBrowserLPw(userId); 3171 } 3172 } 3173 3174 private void calculateDefaultBrowserLPw(int userId) { 3175 List<String> allBrowsers = resolveAllBrowserApps(userId); 3176 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3177 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3178 } 3179 3180 private List<String> resolveAllBrowserApps(int userId) { 3181 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3182 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3183 PackageManager.MATCH_ALL, userId); 3184 3185 final int count = list.size(); 3186 List<String> result = new ArrayList<String>(count); 3187 for (int i=0; i<count; i++) { 3188 ResolveInfo info = list.get(i); 3189 if (info.activityInfo == null 3190 || !info.handleAllWebDataURI 3191 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3192 || result.contains(info.activityInfo.packageName)) { 3193 continue; 3194 } 3195 result.add(info.activityInfo.packageName); 3196 } 3197 3198 return result; 3199 } 3200 3201 private boolean packageIsBrowser(String packageName, int userId) { 3202 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3203 PackageManager.MATCH_ALL, userId); 3204 final int N = list.size(); 3205 for (int i = 0; i < N; i++) { 3206 ResolveInfo info = list.get(i); 3207 if (packageName.equals(info.activityInfo.packageName)) { 3208 return true; 3209 } 3210 } 3211 return false; 3212 } 3213 3214 private void checkDefaultBrowser() { 3215 final int myUserId = UserHandle.myUserId(); 3216 final String packageName = getDefaultBrowserPackageName(myUserId); 3217 if (packageName != null) { 3218 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3219 if (info == null) { 3220 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3221 synchronized (mPackages) { 3222 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3223 } 3224 } 3225 } 3226 } 3227 3228 @Override 3229 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3230 throws RemoteException { 3231 try { 3232 return super.onTransact(code, data, reply, flags); 3233 } catch (RuntimeException e) { 3234 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3235 Slog.wtf(TAG, "Package Manager Crash", e); 3236 } 3237 throw e; 3238 } 3239 } 3240 3241 static int[] appendInts(int[] cur, int[] add) { 3242 if (add == null) return cur; 3243 if (cur == null) return add; 3244 final int N = add.length; 3245 for (int i=0; i<N; i++) { 3246 cur = appendInt(cur, add[i]); 3247 } 3248 return cur; 3249 } 3250 3251 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3252 if (!sUserManager.exists(userId)) return null; 3253 if (ps == null) { 3254 return null; 3255 } 3256 final PackageParser.Package p = ps.pkg; 3257 if (p == null) { 3258 return null; 3259 } 3260 3261 final PermissionsState permissionsState = ps.getPermissionsState(); 3262 3263 // Compute GIDs only if requested 3264 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3265 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3266 // Compute granted permissions only if package has requested permissions 3267 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3268 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3269 final PackageUserState state = ps.readUserState(userId); 3270 3271 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3272 && ps.isSystem()) { 3273 flags |= MATCH_ANY_USER; 3274 } 3275 3276 return PackageParser.generatePackageInfo(p, gids, flags, 3277 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3278 } 3279 3280 @Override 3281 public void checkPackageStartable(String packageName, int userId) { 3282 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3283 3284 synchronized (mPackages) { 3285 final PackageSetting ps = mSettings.mPackages.get(packageName); 3286 if (ps == null) { 3287 throw new SecurityException("Package " + packageName + " was not found!"); 3288 } 3289 3290 if (!ps.getInstalled(userId)) { 3291 throw new SecurityException( 3292 "Package " + packageName + " was not installed for user " + userId + "!"); 3293 } 3294 3295 if (mSafeMode && !ps.isSystem()) { 3296 throw new SecurityException("Package " + packageName + " not a system app!"); 3297 } 3298 3299 if (mFrozenPackages.contains(packageName)) { 3300 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3301 } 3302 3303 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3304 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3305 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3306 } 3307 } 3308 } 3309 3310 @Override 3311 public boolean isPackageAvailable(String packageName, int userId) { 3312 if (!sUserManager.exists(userId)) return false; 3313 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3314 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3315 synchronized (mPackages) { 3316 PackageParser.Package p = mPackages.get(packageName); 3317 if (p != null) { 3318 final PackageSetting ps = (PackageSetting) p.mExtras; 3319 if (ps != null) { 3320 final PackageUserState state = ps.readUserState(userId); 3321 if (state != null) { 3322 return PackageParser.isAvailable(state); 3323 } 3324 } 3325 } 3326 } 3327 return false; 3328 } 3329 3330 @Override 3331 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3332 if (!sUserManager.exists(userId)) return null; 3333 flags = updateFlagsForPackage(flags, userId, packageName); 3334 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3335 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3336 3337 // reader 3338 synchronized (mPackages) { 3339 // Normalize package name to hanlde renamed packages 3340 packageName = normalizePackageNameLPr(packageName); 3341 3342 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3343 PackageParser.Package p = null; 3344 if (matchFactoryOnly) { 3345 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3346 if (ps != null) { 3347 return generatePackageInfo(ps, flags, userId); 3348 } 3349 } 3350 if (p == null) { 3351 p = mPackages.get(packageName); 3352 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3353 return null; 3354 } 3355 } 3356 if (DEBUG_PACKAGE_INFO) 3357 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3358 if (p != null) { 3359 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3360 } 3361 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3362 final PackageSetting ps = mSettings.mPackages.get(packageName); 3363 return generatePackageInfo(ps, flags, userId); 3364 } 3365 } 3366 return null; 3367 } 3368 3369 @Override 3370 public String[] currentToCanonicalPackageNames(String[] names) { 3371 String[] out = new String[names.length]; 3372 // reader 3373 synchronized (mPackages) { 3374 for (int i=names.length-1; i>=0; i--) { 3375 PackageSetting ps = mSettings.mPackages.get(names[i]); 3376 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3377 } 3378 } 3379 return out; 3380 } 3381 3382 @Override 3383 public String[] canonicalToCurrentPackageNames(String[] names) { 3384 String[] out = new String[names.length]; 3385 // reader 3386 synchronized (mPackages) { 3387 for (int i=names.length-1; i>=0; i--) { 3388 String cur = mSettings.getRenamedPackageLPr(names[i]); 3389 out[i] = cur != null ? cur : names[i]; 3390 } 3391 } 3392 return out; 3393 } 3394 3395 @Override 3396 public int getPackageUid(String packageName, int flags, int userId) { 3397 if (!sUserManager.exists(userId)) return -1; 3398 flags = updateFlagsForPackage(flags, userId, packageName); 3399 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3400 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3401 3402 // reader 3403 synchronized (mPackages) { 3404 final PackageParser.Package p = mPackages.get(packageName); 3405 if (p != null && p.isMatch(flags)) { 3406 return UserHandle.getUid(userId, p.applicationInfo.uid); 3407 } 3408 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3409 final PackageSetting ps = mSettings.mPackages.get(packageName); 3410 if (ps != null && ps.isMatch(flags)) { 3411 return UserHandle.getUid(userId, ps.appId); 3412 } 3413 } 3414 } 3415 3416 return -1; 3417 } 3418 3419 @Override 3420 public int[] getPackageGids(String packageName, int flags, int userId) { 3421 if (!sUserManager.exists(userId)) return null; 3422 flags = updateFlagsForPackage(flags, userId, packageName); 3423 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3424 false /* requireFullPermission */, false /* checkShell */, 3425 "getPackageGids"); 3426 3427 // reader 3428 synchronized (mPackages) { 3429 final PackageParser.Package p = mPackages.get(packageName); 3430 if (p != null && p.isMatch(flags)) { 3431 PackageSetting ps = (PackageSetting) p.mExtras; 3432 // TODO: Shouldn't this be checking for package installed state for userId and 3433 // return null? 3434 return ps.getPermissionsState().computeGids(userId); 3435 } 3436 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3437 final PackageSetting ps = mSettings.mPackages.get(packageName); 3438 if (ps != null && ps.isMatch(flags)) { 3439 return ps.getPermissionsState().computeGids(userId); 3440 } 3441 } 3442 } 3443 3444 return null; 3445 } 3446 3447 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3448 if (bp.perm != null) { 3449 return PackageParser.generatePermissionInfo(bp.perm, flags); 3450 } 3451 PermissionInfo pi = new PermissionInfo(); 3452 pi.name = bp.name; 3453 pi.packageName = bp.sourcePackage; 3454 pi.nonLocalizedLabel = bp.name; 3455 pi.protectionLevel = bp.protectionLevel; 3456 return pi; 3457 } 3458 3459 @Override 3460 public PermissionInfo getPermissionInfo(String name, int flags) { 3461 // reader 3462 synchronized (mPackages) { 3463 final BasePermission p = mSettings.mPermissions.get(name); 3464 if (p != null) { 3465 return generatePermissionInfo(p, flags); 3466 } 3467 return null; 3468 } 3469 } 3470 3471 @Override 3472 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3473 int flags) { 3474 // reader 3475 synchronized (mPackages) { 3476 if (group != null && !mPermissionGroups.containsKey(group)) { 3477 // This is thrown as NameNotFoundException 3478 return null; 3479 } 3480 3481 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3482 for (BasePermission p : mSettings.mPermissions.values()) { 3483 if (group == null) { 3484 if (p.perm == null || p.perm.info.group == null) { 3485 out.add(generatePermissionInfo(p, flags)); 3486 } 3487 } else { 3488 if (p.perm != null && group.equals(p.perm.info.group)) { 3489 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3490 } 3491 } 3492 } 3493 return new ParceledListSlice<>(out); 3494 } 3495 } 3496 3497 @Override 3498 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3499 // reader 3500 synchronized (mPackages) { 3501 return PackageParser.generatePermissionGroupInfo( 3502 mPermissionGroups.get(name), flags); 3503 } 3504 } 3505 3506 @Override 3507 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3508 // reader 3509 synchronized (mPackages) { 3510 final int N = mPermissionGroups.size(); 3511 ArrayList<PermissionGroupInfo> out 3512 = new ArrayList<PermissionGroupInfo>(N); 3513 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3514 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3515 } 3516 return new ParceledListSlice<>(out); 3517 } 3518 } 3519 3520 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3521 int userId) { 3522 if (!sUserManager.exists(userId)) return null; 3523 PackageSetting ps = mSettings.mPackages.get(packageName); 3524 if (ps != null) { 3525 if (ps.pkg == null) { 3526 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3527 if (pInfo != null) { 3528 return pInfo.applicationInfo; 3529 } 3530 return null; 3531 } 3532 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3533 ps.readUserState(userId), userId); 3534 } 3535 return null; 3536 } 3537 3538 @Override 3539 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3540 if (!sUserManager.exists(userId)) return null; 3541 flags = updateFlagsForApplication(flags, userId, packageName); 3542 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3543 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3544 3545 // writer 3546 synchronized (mPackages) { 3547 // Normalize package name to hanlde renamed packages 3548 packageName = normalizePackageNameLPr(packageName); 3549 3550 PackageParser.Package p = mPackages.get(packageName); 3551 if (DEBUG_PACKAGE_INFO) Log.v( 3552 TAG, "getApplicationInfo " + packageName 3553 + ": " + p); 3554 if (p != null) { 3555 PackageSetting ps = mSettings.mPackages.get(packageName); 3556 if (ps == null) return null; 3557 // Note: isEnabledLP() does not apply here - always return info 3558 return PackageParser.generateApplicationInfo( 3559 p, flags, ps.readUserState(userId), userId); 3560 } 3561 if ("android".equals(packageName)||"system".equals(packageName)) { 3562 return mAndroidApplication; 3563 } 3564 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3565 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3566 } 3567 } 3568 return null; 3569 } 3570 3571 private String normalizePackageNameLPr(String packageName) { 3572 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3573 return normalizedPackageName != null ? normalizedPackageName : packageName; 3574 } 3575 3576 @Override 3577 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3578 final IPackageDataObserver observer) { 3579 mContext.enforceCallingOrSelfPermission( 3580 android.Manifest.permission.CLEAR_APP_CACHE, null); 3581 // Queue up an async operation since clearing cache may take a little while. 3582 mHandler.post(new Runnable() { 3583 public void run() { 3584 mHandler.removeCallbacks(this); 3585 boolean success = true; 3586 synchronized (mInstallLock) { 3587 try { 3588 mInstaller.freeCache(volumeUuid, freeStorageSize); 3589 } catch (InstallerException e) { 3590 Slog.w(TAG, "Couldn't clear application caches: " + e); 3591 success = false; 3592 } 3593 } 3594 if (observer != null) { 3595 try { 3596 observer.onRemoveCompleted(null, success); 3597 } catch (RemoteException e) { 3598 Slog.w(TAG, "RemoveException when invoking call back"); 3599 } 3600 } 3601 } 3602 }); 3603 } 3604 3605 @Override 3606 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3607 final IntentSender pi) { 3608 mContext.enforceCallingOrSelfPermission( 3609 android.Manifest.permission.CLEAR_APP_CACHE, null); 3610 // Queue up an async operation since clearing cache may take a little while. 3611 mHandler.post(new Runnable() { 3612 public void run() { 3613 mHandler.removeCallbacks(this); 3614 boolean success = true; 3615 synchronized (mInstallLock) { 3616 try { 3617 mInstaller.freeCache(volumeUuid, freeStorageSize); 3618 } catch (InstallerException e) { 3619 Slog.w(TAG, "Couldn't clear application caches: " + e); 3620 success = false; 3621 } 3622 } 3623 if(pi != null) { 3624 try { 3625 // Callback via pending intent 3626 int code = success ? 1 : 0; 3627 pi.sendIntent(null, code, null, 3628 null, null); 3629 } catch (SendIntentException e1) { 3630 Slog.i(TAG, "Failed to send pending intent"); 3631 } 3632 } 3633 } 3634 }); 3635 } 3636 3637 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3638 synchronized (mInstallLock) { 3639 try { 3640 mInstaller.freeCache(volumeUuid, freeStorageSize); 3641 } catch (InstallerException e) { 3642 throw new IOException("Failed to free enough space", e); 3643 } 3644 } 3645 } 3646 3647 /** 3648 * Update given flags based on encryption status of current user. 3649 */ 3650 private int updateFlags(int flags, int userId) { 3651 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3652 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3653 // Caller expressed an explicit opinion about what encryption 3654 // aware/unaware components they want to see, so fall through and 3655 // give them what they want 3656 } else { 3657 // Caller expressed no opinion, so match based on user state 3658 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3659 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3660 } else { 3661 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3662 } 3663 } 3664 return flags; 3665 } 3666 3667 private UserManagerInternal getUserManagerInternal() { 3668 if (mUserManagerInternal == null) { 3669 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3670 } 3671 return mUserManagerInternal; 3672 } 3673 3674 /** 3675 * Update given flags when being used to request {@link PackageInfo}. 3676 */ 3677 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3678 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3679 boolean triaged = true; 3680 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3681 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3682 // Caller is asking for component details, so they'd better be 3683 // asking for specific encryption matching behavior, or be triaged 3684 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3685 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3686 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3687 triaged = false; 3688 } 3689 } 3690 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3691 | PackageManager.MATCH_SYSTEM_ONLY 3692 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3693 triaged = false; 3694 } 3695 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3696 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3697 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3698 + Debug.getCallers(5)); 3699 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3700 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3701 // If the caller wants all packages and has a restricted profile associated with it, 3702 // then match all users. This is to make sure that launchers that need to access work 3703 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3704 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3705 flags |= PackageManager.MATCH_ANY_USER; 3706 } 3707 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3708 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3709 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3710 } 3711 return updateFlags(flags, userId); 3712 } 3713 3714 /** 3715 * Update given flags when being used to request {@link ApplicationInfo}. 3716 */ 3717 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3718 return updateFlagsForPackage(flags, userId, cookie); 3719 } 3720 3721 /** 3722 * Update given flags when being used to request {@link ComponentInfo}. 3723 */ 3724 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3725 if (cookie instanceof Intent) { 3726 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3727 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3728 } 3729 } 3730 3731 boolean triaged = true; 3732 // Caller is asking for component details, so they'd better be 3733 // asking for specific encryption matching behavior, or be triaged 3734 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3735 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3736 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3737 triaged = false; 3738 } 3739 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3740 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3741 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3742 } 3743 3744 return updateFlags(flags, userId); 3745 } 3746 3747 /** 3748 * Update given intent when being used to request {@link ResolveInfo}. 3749 */ 3750 private Intent updateIntentForResolve(Intent intent) { 3751 if (intent.getSelector() != null) { 3752 intent = intent.getSelector(); 3753 } 3754 if (DEBUG_PREFERRED) { 3755 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3756 } 3757 return intent; 3758 } 3759 3760 /** 3761 * Update given flags when being used to request {@link ResolveInfo}. 3762 */ 3763 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3764 // Safe mode means we shouldn't match any third-party components 3765 if (mSafeMode) { 3766 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3767 } 3768 final int callingUid = Binder.getCallingUid(); 3769 if (callingUid == Process.SYSTEM_UID || callingUid == 0) { 3770 // The system sees all components 3771 flags |= PackageManager.MATCH_EPHEMERAL; 3772 } else if (getEphemeralPackageName(callingUid) != null) { 3773 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 3774 flags |= PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3775 flags |= PackageManager.MATCH_EPHEMERAL; 3776 } else { 3777 // Otherwise, prevent leaking ephemeral components 3778 flags &= ~PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3779 flags &= ~PackageManager.MATCH_EPHEMERAL; 3780 } 3781 return updateFlagsForComponent(flags, userId, cookie); 3782 } 3783 3784 @Override 3785 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3786 if (!sUserManager.exists(userId)) return null; 3787 flags = updateFlagsForComponent(flags, userId, component); 3788 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3789 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3790 synchronized (mPackages) { 3791 PackageParser.Activity a = mActivities.mActivities.get(component); 3792 3793 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3794 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3795 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3796 if (ps == null) return null; 3797 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3798 userId); 3799 } 3800 if (mResolveComponentName.equals(component)) { 3801 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3802 new PackageUserState(), userId); 3803 } 3804 } 3805 return null; 3806 } 3807 3808 @Override 3809 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3810 String resolvedType) { 3811 synchronized (mPackages) { 3812 if (component.equals(mResolveComponentName)) { 3813 // The resolver supports EVERYTHING! 3814 return true; 3815 } 3816 PackageParser.Activity a = mActivities.mActivities.get(component); 3817 if (a == null) { 3818 return false; 3819 } 3820 for (int i=0; i<a.intents.size(); i++) { 3821 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3822 intent.getData(), intent.getCategories(), TAG) >= 0) { 3823 return true; 3824 } 3825 } 3826 return false; 3827 } 3828 } 3829 3830 @Override 3831 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3832 if (!sUserManager.exists(userId)) return null; 3833 flags = updateFlagsForComponent(flags, userId, component); 3834 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3835 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3836 synchronized (mPackages) { 3837 PackageParser.Activity a = mReceivers.mActivities.get(component); 3838 if (DEBUG_PACKAGE_INFO) Log.v( 3839 TAG, "getReceiverInfo " + component + ": " + a); 3840 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3841 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3842 if (ps == null) return null; 3843 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3844 userId); 3845 } 3846 } 3847 return null; 3848 } 3849 3850 @Override 3851 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3852 if (!sUserManager.exists(userId)) return null; 3853 flags = updateFlagsForComponent(flags, userId, component); 3854 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3855 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3856 synchronized (mPackages) { 3857 PackageParser.Service s = mServices.mServices.get(component); 3858 if (DEBUG_PACKAGE_INFO) Log.v( 3859 TAG, "getServiceInfo " + component + ": " + s); 3860 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3861 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3862 if (ps == null) return null; 3863 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3864 userId); 3865 } 3866 } 3867 return null; 3868 } 3869 3870 @Override 3871 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3872 if (!sUserManager.exists(userId)) return null; 3873 flags = updateFlagsForComponent(flags, userId, component); 3874 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3875 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3876 synchronized (mPackages) { 3877 PackageParser.Provider p = mProviders.mProviders.get(component); 3878 if (DEBUG_PACKAGE_INFO) Log.v( 3879 TAG, "getProviderInfo " + component + ": " + p); 3880 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3881 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3882 if (ps == null) return null; 3883 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3884 userId); 3885 } 3886 } 3887 return null; 3888 } 3889 3890 @Override 3891 public String[] getSystemSharedLibraryNames() { 3892 Set<String> libSet; 3893 synchronized (mPackages) { 3894 libSet = mSharedLibraries.keySet(); 3895 int size = libSet.size(); 3896 if (size > 0) { 3897 String[] libs = new String[size]; 3898 libSet.toArray(libs); 3899 return libs; 3900 } 3901 } 3902 return null; 3903 } 3904 3905 @Override 3906 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3907 synchronized (mPackages) { 3908 return mServicesSystemSharedLibraryPackageName; 3909 } 3910 } 3911 3912 @Override 3913 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3914 synchronized (mPackages) { 3915 return mSharedSystemSharedLibraryPackageName; 3916 } 3917 } 3918 3919 @Override 3920 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3921 synchronized (mPackages) { 3922 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3923 3924 final FeatureInfo fi = new FeatureInfo(); 3925 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3926 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3927 res.add(fi); 3928 3929 return new ParceledListSlice<>(res); 3930 } 3931 } 3932 3933 @Override 3934 public boolean hasSystemFeature(String name, int version) { 3935 synchronized (mPackages) { 3936 final FeatureInfo feat = mAvailableFeatures.get(name); 3937 if (feat == null) { 3938 return false; 3939 } else { 3940 return feat.version >= version; 3941 } 3942 } 3943 } 3944 3945 @Override 3946 public int checkPermission(String permName, String pkgName, int userId) { 3947 if (!sUserManager.exists(userId)) { 3948 return PackageManager.PERMISSION_DENIED; 3949 } 3950 3951 synchronized (mPackages) { 3952 final PackageParser.Package p = mPackages.get(pkgName); 3953 if (p != null && p.mExtras != null) { 3954 final PackageSetting ps = (PackageSetting) p.mExtras; 3955 final PermissionsState permissionsState = ps.getPermissionsState(); 3956 if (permissionsState.hasPermission(permName, userId)) { 3957 return PackageManager.PERMISSION_GRANTED; 3958 } 3959 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3960 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3961 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3962 return PackageManager.PERMISSION_GRANTED; 3963 } 3964 } 3965 } 3966 3967 return PackageManager.PERMISSION_DENIED; 3968 } 3969 3970 @Override 3971 public int checkUidPermission(String permName, int uid) { 3972 final int userId = UserHandle.getUserId(uid); 3973 3974 if (!sUserManager.exists(userId)) { 3975 return PackageManager.PERMISSION_DENIED; 3976 } 3977 3978 synchronized (mPackages) { 3979 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3980 if (obj != null) { 3981 final SettingBase ps = (SettingBase) obj; 3982 final PermissionsState permissionsState = ps.getPermissionsState(); 3983 if (permissionsState.hasPermission(permName, userId)) { 3984 return PackageManager.PERMISSION_GRANTED; 3985 } 3986 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3987 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3988 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3989 return PackageManager.PERMISSION_GRANTED; 3990 } 3991 } else { 3992 ArraySet<String> perms = mSystemPermissions.get(uid); 3993 if (perms != null) { 3994 if (perms.contains(permName)) { 3995 return PackageManager.PERMISSION_GRANTED; 3996 } 3997 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3998 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3999 return PackageManager.PERMISSION_GRANTED; 4000 } 4001 } 4002 } 4003 } 4004 4005 return PackageManager.PERMISSION_DENIED; 4006 } 4007 4008 @Override 4009 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4010 if (UserHandle.getCallingUserId() != userId) { 4011 mContext.enforceCallingPermission( 4012 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4013 "isPermissionRevokedByPolicy for user " + userId); 4014 } 4015 4016 if (checkPermission(permission, packageName, userId) 4017 == PackageManager.PERMISSION_GRANTED) { 4018 return false; 4019 } 4020 4021 final long identity = Binder.clearCallingIdentity(); 4022 try { 4023 final int flags = getPermissionFlags(permission, packageName, userId); 4024 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4025 } finally { 4026 Binder.restoreCallingIdentity(identity); 4027 } 4028 } 4029 4030 @Override 4031 public String getPermissionControllerPackageName() { 4032 synchronized (mPackages) { 4033 return mRequiredInstallerPackage; 4034 } 4035 } 4036 4037 /** 4038 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4039 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4040 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4041 * @param message the message to log on security exception 4042 */ 4043 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4044 boolean checkShell, String message) { 4045 if (userId < 0) { 4046 throw new IllegalArgumentException("Invalid userId " + userId); 4047 } 4048 if (checkShell) { 4049 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4050 } 4051 if (userId == UserHandle.getUserId(callingUid)) return; 4052 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4053 if (requireFullPermission) { 4054 mContext.enforceCallingOrSelfPermission( 4055 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4056 } else { 4057 try { 4058 mContext.enforceCallingOrSelfPermission( 4059 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4060 } catch (SecurityException se) { 4061 mContext.enforceCallingOrSelfPermission( 4062 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4063 } 4064 } 4065 } 4066 } 4067 4068 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4069 if (callingUid == Process.SHELL_UID) { 4070 if (userHandle >= 0 4071 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4072 throw new SecurityException("Shell does not have permission to access user " 4073 + userHandle); 4074 } else if (userHandle < 0) { 4075 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4076 + Debug.getCallers(3)); 4077 } 4078 } 4079 } 4080 4081 private BasePermission findPermissionTreeLP(String permName) { 4082 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4083 if (permName.startsWith(bp.name) && 4084 permName.length() > bp.name.length() && 4085 permName.charAt(bp.name.length()) == '.') { 4086 return bp; 4087 } 4088 } 4089 return null; 4090 } 4091 4092 private BasePermission checkPermissionTreeLP(String permName) { 4093 if (permName != null) { 4094 BasePermission bp = findPermissionTreeLP(permName); 4095 if (bp != null) { 4096 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4097 return bp; 4098 } 4099 throw new SecurityException("Calling uid " 4100 + Binder.getCallingUid() 4101 + " is not allowed to add to permission tree " 4102 + bp.name + " owned by uid " + bp.uid); 4103 } 4104 } 4105 throw new SecurityException("No permission tree found for " + permName); 4106 } 4107 4108 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4109 if (s1 == null) { 4110 return s2 == null; 4111 } 4112 if (s2 == null) { 4113 return false; 4114 } 4115 if (s1.getClass() != s2.getClass()) { 4116 return false; 4117 } 4118 return s1.equals(s2); 4119 } 4120 4121 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4122 if (pi1.icon != pi2.icon) return false; 4123 if (pi1.logo != pi2.logo) return false; 4124 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4125 if (!compareStrings(pi1.name, pi2.name)) return false; 4126 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4127 // We'll take care of setting this one. 4128 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4129 // These are not currently stored in settings. 4130 //if (!compareStrings(pi1.group, pi2.group)) return false; 4131 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4132 //if (pi1.labelRes != pi2.labelRes) return false; 4133 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4134 return true; 4135 } 4136 4137 int permissionInfoFootprint(PermissionInfo info) { 4138 int size = info.name.length(); 4139 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4140 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4141 return size; 4142 } 4143 4144 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4145 int size = 0; 4146 for (BasePermission perm : mSettings.mPermissions.values()) { 4147 if (perm.uid == tree.uid) { 4148 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4149 } 4150 } 4151 return size; 4152 } 4153 4154 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4155 // We calculate the max size of permissions defined by this uid and throw 4156 // if that plus the size of 'info' would exceed our stated maximum. 4157 if (tree.uid != Process.SYSTEM_UID) { 4158 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4159 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4160 throw new SecurityException("Permission tree size cap exceeded"); 4161 } 4162 } 4163 } 4164 4165 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4166 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4167 throw new SecurityException("Label must be specified in permission"); 4168 } 4169 BasePermission tree = checkPermissionTreeLP(info.name); 4170 BasePermission bp = mSettings.mPermissions.get(info.name); 4171 boolean added = bp == null; 4172 boolean changed = true; 4173 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4174 if (added) { 4175 enforcePermissionCapLocked(info, tree); 4176 bp = new BasePermission(info.name, tree.sourcePackage, 4177 BasePermission.TYPE_DYNAMIC); 4178 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4179 throw new SecurityException( 4180 "Not allowed to modify non-dynamic permission " 4181 + info.name); 4182 } else { 4183 if (bp.protectionLevel == fixedLevel 4184 && bp.perm.owner.equals(tree.perm.owner) 4185 && bp.uid == tree.uid 4186 && comparePermissionInfos(bp.perm.info, info)) { 4187 changed = false; 4188 } 4189 } 4190 bp.protectionLevel = fixedLevel; 4191 info = new PermissionInfo(info); 4192 info.protectionLevel = fixedLevel; 4193 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4194 bp.perm.info.packageName = tree.perm.info.packageName; 4195 bp.uid = tree.uid; 4196 if (added) { 4197 mSettings.mPermissions.put(info.name, bp); 4198 } 4199 if (changed) { 4200 if (!async) { 4201 mSettings.writeLPr(); 4202 } else { 4203 scheduleWriteSettingsLocked(); 4204 } 4205 } 4206 return added; 4207 } 4208 4209 @Override 4210 public boolean addPermission(PermissionInfo info) { 4211 synchronized (mPackages) { 4212 return addPermissionLocked(info, false); 4213 } 4214 } 4215 4216 @Override 4217 public boolean addPermissionAsync(PermissionInfo info) { 4218 synchronized (mPackages) { 4219 return addPermissionLocked(info, true); 4220 } 4221 } 4222 4223 @Override 4224 public void removePermission(String name) { 4225 synchronized (mPackages) { 4226 checkPermissionTreeLP(name); 4227 BasePermission bp = mSettings.mPermissions.get(name); 4228 if (bp != null) { 4229 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4230 throw new SecurityException( 4231 "Not allowed to modify non-dynamic permission " 4232 + name); 4233 } 4234 mSettings.mPermissions.remove(name); 4235 mSettings.writeLPr(); 4236 } 4237 } 4238 } 4239 4240 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4241 BasePermission bp) { 4242 int index = pkg.requestedPermissions.indexOf(bp.name); 4243 if (index == -1) { 4244 throw new SecurityException("Package " + pkg.packageName 4245 + " has not requested permission " + bp.name); 4246 } 4247 if (!bp.isRuntime() && !bp.isDevelopment()) { 4248 throw new SecurityException("Permission " + bp.name 4249 + " is not a changeable permission type"); 4250 } 4251 } 4252 4253 @Override 4254 public void grantRuntimePermission(String packageName, String name, final int userId) { 4255 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4256 } 4257 4258 private void grantRuntimePermission(String packageName, String name, final int userId, 4259 boolean overridePolicy) { 4260 if (!sUserManager.exists(userId)) { 4261 Log.e(TAG, "No such user:" + userId); 4262 return; 4263 } 4264 4265 mContext.enforceCallingOrSelfPermission( 4266 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4267 "grantRuntimePermission"); 4268 4269 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4270 true /* requireFullPermission */, true /* checkShell */, 4271 "grantRuntimePermission"); 4272 4273 final int uid; 4274 final SettingBase sb; 4275 4276 synchronized (mPackages) { 4277 final PackageParser.Package pkg = mPackages.get(packageName); 4278 if (pkg == null) { 4279 throw new IllegalArgumentException("Unknown package: " + packageName); 4280 } 4281 4282 final BasePermission bp = mSettings.mPermissions.get(name); 4283 if (bp == null) { 4284 throw new IllegalArgumentException("Unknown permission: " + name); 4285 } 4286 4287 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4288 4289 // If a permission review is required for legacy apps we represent 4290 // their permissions as always granted runtime ones since we need 4291 // to keep the review required permission flag per user while an 4292 // install permission's state is shared across all users. 4293 if (mPermissionReviewRequired 4294 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4295 && bp.isRuntime()) { 4296 return; 4297 } 4298 4299 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4300 sb = (SettingBase) pkg.mExtras; 4301 if (sb == null) { 4302 throw new IllegalArgumentException("Unknown package: " + packageName); 4303 } 4304 4305 final PermissionsState permissionsState = sb.getPermissionsState(); 4306 4307 final int flags = permissionsState.getPermissionFlags(name, userId); 4308 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4309 throw new SecurityException("Cannot grant system fixed permission " 4310 + name + " for package " + packageName); 4311 } 4312 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4313 throw new SecurityException("Cannot grant policy fixed permission " 4314 + name + " for package " + packageName); 4315 } 4316 4317 if (bp.isDevelopment()) { 4318 // Development permissions must be handled specially, since they are not 4319 // normal runtime permissions. For now they apply to all users. 4320 if (permissionsState.grantInstallPermission(bp) != 4321 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4322 scheduleWriteSettingsLocked(); 4323 } 4324 return; 4325 } 4326 4327 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 4328 throw new SecurityException("Cannot grant non-ephemeral permission" 4329 + name + " for package " + packageName); 4330 } 4331 4332 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4333 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4334 return; 4335 } 4336 4337 final int result = permissionsState.grantRuntimePermission(bp, userId); 4338 switch (result) { 4339 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4340 return; 4341 } 4342 4343 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4344 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4345 mHandler.post(new Runnable() { 4346 @Override 4347 public void run() { 4348 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4349 } 4350 }); 4351 } 4352 break; 4353 } 4354 4355 if (bp.isRuntime()) { 4356 logPermissionGranted(mContext, name, packageName); 4357 } 4358 4359 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4360 4361 // Not critical if that is lost - app has to request again. 4362 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4363 } 4364 4365 // Only need to do this if user is initialized. Otherwise it's a new user 4366 // and there are no processes running as the user yet and there's no need 4367 // to make an expensive call to remount processes for the changed permissions. 4368 if (READ_EXTERNAL_STORAGE.equals(name) 4369 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4370 final long token = Binder.clearCallingIdentity(); 4371 try { 4372 if (sUserManager.isInitialized(userId)) { 4373 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4374 StorageManagerInternal.class); 4375 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4376 } 4377 } finally { 4378 Binder.restoreCallingIdentity(token); 4379 } 4380 } 4381 } 4382 4383 @Override 4384 public void revokeRuntimePermission(String packageName, String name, int userId) { 4385 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4386 } 4387 4388 private void revokeRuntimePermission(String packageName, String name, int userId, 4389 boolean overridePolicy) { 4390 if (!sUserManager.exists(userId)) { 4391 Log.e(TAG, "No such user:" + userId); 4392 return; 4393 } 4394 4395 mContext.enforceCallingOrSelfPermission( 4396 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4397 "revokeRuntimePermission"); 4398 4399 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4400 true /* requireFullPermission */, true /* checkShell */, 4401 "revokeRuntimePermission"); 4402 4403 final int appId; 4404 4405 synchronized (mPackages) { 4406 final PackageParser.Package pkg = mPackages.get(packageName); 4407 if (pkg == null) { 4408 throw new IllegalArgumentException("Unknown package: " + packageName); 4409 } 4410 4411 final BasePermission bp = mSettings.mPermissions.get(name); 4412 if (bp == null) { 4413 throw new IllegalArgumentException("Unknown permission: " + name); 4414 } 4415 4416 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4417 4418 // If a permission review is required for legacy apps we represent 4419 // their permissions as always granted runtime ones since we need 4420 // to keep the review required permission flag per user while an 4421 // install permission's state is shared across all users. 4422 if (mPermissionReviewRequired 4423 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4424 && bp.isRuntime()) { 4425 return; 4426 } 4427 4428 SettingBase sb = (SettingBase) pkg.mExtras; 4429 if (sb == null) { 4430 throw new IllegalArgumentException("Unknown package: " + packageName); 4431 } 4432 4433 final PermissionsState permissionsState = sb.getPermissionsState(); 4434 4435 final int flags = permissionsState.getPermissionFlags(name, userId); 4436 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4437 throw new SecurityException("Cannot revoke system fixed permission " 4438 + name + " for package " + packageName); 4439 } 4440 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4441 throw new SecurityException("Cannot revoke policy fixed permission " 4442 + name + " for package " + packageName); 4443 } 4444 4445 if (bp.isDevelopment()) { 4446 // Development permissions must be handled specially, since they are not 4447 // normal runtime permissions. For now they apply to all users. 4448 if (permissionsState.revokeInstallPermission(bp) != 4449 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4450 scheduleWriteSettingsLocked(); 4451 } 4452 return; 4453 } 4454 4455 if (permissionsState.revokeRuntimePermission(bp, userId) == 4456 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4457 return; 4458 } 4459 4460 if (bp.isRuntime()) { 4461 logPermissionRevoked(mContext, name, packageName); 4462 } 4463 4464 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4465 4466 // Critical, after this call app should never have the permission. 4467 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4468 4469 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4470 } 4471 4472 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4473 } 4474 4475 /** 4476 * Get the first event id for the permission. 4477 * 4478 * <p>There are four events for each permission: <ul> 4479 * <li>Request permission: first id + 0</li> 4480 * <li>Grant permission: first id + 1</li> 4481 * <li>Request for permission denied: first id + 2</li> 4482 * <li>Revoke permission: first id + 3</li> 4483 * </ul></p> 4484 * 4485 * @param name name of the permission 4486 * 4487 * @return The first event id for the permission 4488 */ 4489 private static int getBaseEventId(@NonNull String name) { 4490 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4491 4492 if (eventIdIndex == -1) { 4493 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4494 || "user".equals(Build.TYPE)) { 4495 Log.i(TAG, "Unknown permission " + name); 4496 4497 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4498 } else { 4499 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4500 // 4501 // Also update 4502 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4503 // - metrics_constants.proto 4504 throw new IllegalStateException("Unknown permission " + name); 4505 } 4506 } 4507 4508 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4509 } 4510 4511 /** 4512 * Log that a permission was revoked. 4513 * 4514 * @param context Context of the caller 4515 * @param name name of the permission 4516 * @param packageName package permission if for 4517 */ 4518 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4519 @NonNull String packageName) { 4520 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4521 } 4522 4523 /** 4524 * Log that a permission request was granted. 4525 * 4526 * @param context Context of the caller 4527 * @param name name of the permission 4528 * @param packageName package permission if for 4529 */ 4530 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4531 @NonNull String packageName) { 4532 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4533 } 4534 4535 @Override 4536 public void resetRuntimePermissions() { 4537 mContext.enforceCallingOrSelfPermission( 4538 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4539 "revokeRuntimePermission"); 4540 4541 int callingUid = Binder.getCallingUid(); 4542 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4543 mContext.enforceCallingOrSelfPermission( 4544 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4545 "resetRuntimePermissions"); 4546 } 4547 4548 synchronized (mPackages) { 4549 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4550 for (int userId : UserManagerService.getInstance().getUserIds()) { 4551 final int packageCount = mPackages.size(); 4552 for (int i = 0; i < packageCount; i++) { 4553 PackageParser.Package pkg = mPackages.valueAt(i); 4554 if (!(pkg.mExtras instanceof PackageSetting)) { 4555 continue; 4556 } 4557 PackageSetting ps = (PackageSetting) pkg.mExtras; 4558 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4559 } 4560 } 4561 } 4562 } 4563 4564 @Override 4565 public int getPermissionFlags(String name, String packageName, int userId) { 4566 if (!sUserManager.exists(userId)) { 4567 return 0; 4568 } 4569 4570 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4571 4572 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4573 true /* requireFullPermission */, false /* checkShell */, 4574 "getPermissionFlags"); 4575 4576 synchronized (mPackages) { 4577 final PackageParser.Package pkg = mPackages.get(packageName); 4578 if (pkg == null) { 4579 return 0; 4580 } 4581 4582 final BasePermission bp = mSettings.mPermissions.get(name); 4583 if (bp == null) { 4584 return 0; 4585 } 4586 4587 SettingBase sb = (SettingBase) pkg.mExtras; 4588 if (sb == null) { 4589 return 0; 4590 } 4591 4592 PermissionsState permissionsState = sb.getPermissionsState(); 4593 return permissionsState.getPermissionFlags(name, userId); 4594 } 4595 } 4596 4597 @Override 4598 public void updatePermissionFlags(String name, String packageName, int flagMask, 4599 int flagValues, int userId) { 4600 if (!sUserManager.exists(userId)) { 4601 return; 4602 } 4603 4604 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4605 4606 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4607 true /* requireFullPermission */, true /* checkShell */, 4608 "updatePermissionFlags"); 4609 4610 // Only the system can change these flags and nothing else. 4611 if (getCallingUid() != Process.SYSTEM_UID) { 4612 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4613 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4614 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4615 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4616 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4617 } 4618 4619 synchronized (mPackages) { 4620 final PackageParser.Package pkg = mPackages.get(packageName); 4621 if (pkg == null) { 4622 throw new IllegalArgumentException("Unknown package: " + packageName); 4623 } 4624 4625 final BasePermission bp = mSettings.mPermissions.get(name); 4626 if (bp == null) { 4627 throw new IllegalArgumentException("Unknown permission: " + name); 4628 } 4629 4630 SettingBase sb = (SettingBase) pkg.mExtras; 4631 if (sb == null) { 4632 throw new IllegalArgumentException("Unknown package: " + packageName); 4633 } 4634 4635 PermissionsState permissionsState = sb.getPermissionsState(); 4636 4637 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4638 4639 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4640 // Install and runtime permissions are stored in different places, 4641 // so figure out what permission changed and persist the change. 4642 if (permissionsState.getInstallPermissionState(name) != null) { 4643 scheduleWriteSettingsLocked(); 4644 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4645 || hadState) { 4646 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4647 } 4648 } 4649 } 4650 } 4651 4652 /** 4653 * Update the permission flags for all packages and runtime permissions of a user in order 4654 * to allow device or profile owner to remove POLICY_FIXED. 4655 */ 4656 @Override 4657 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4658 if (!sUserManager.exists(userId)) { 4659 return; 4660 } 4661 4662 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4663 4664 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4665 true /* requireFullPermission */, true /* checkShell */, 4666 "updatePermissionFlagsForAllApps"); 4667 4668 // Only the system can change system fixed flags. 4669 if (getCallingUid() != Process.SYSTEM_UID) { 4670 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4671 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4672 } 4673 4674 synchronized (mPackages) { 4675 boolean changed = false; 4676 final int packageCount = mPackages.size(); 4677 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4678 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4679 SettingBase sb = (SettingBase) pkg.mExtras; 4680 if (sb == null) { 4681 continue; 4682 } 4683 PermissionsState permissionsState = sb.getPermissionsState(); 4684 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4685 userId, flagMask, flagValues); 4686 } 4687 if (changed) { 4688 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4689 } 4690 } 4691 } 4692 4693 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4694 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4695 != PackageManager.PERMISSION_GRANTED 4696 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4697 != PackageManager.PERMISSION_GRANTED) { 4698 throw new SecurityException(message + " requires " 4699 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4700 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4701 } 4702 } 4703 4704 @Override 4705 public boolean shouldShowRequestPermissionRationale(String permissionName, 4706 String packageName, int userId) { 4707 if (UserHandle.getCallingUserId() != userId) { 4708 mContext.enforceCallingPermission( 4709 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4710 "canShowRequestPermissionRationale for user " + userId); 4711 } 4712 4713 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4714 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4715 return false; 4716 } 4717 4718 if (checkPermission(permissionName, packageName, userId) 4719 == PackageManager.PERMISSION_GRANTED) { 4720 return false; 4721 } 4722 4723 final int flags; 4724 4725 final long identity = Binder.clearCallingIdentity(); 4726 try { 4727 flags = getPermissionFlags(permissionName, 4728 packageName, userId); 4729 } finally { 4730 Binder.restoreCallingIdentity(identity); 4731 } 4732 4733 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4734 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4735 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4736 4737 if ((flags & fixedFlags) != 0) { 4738 return false; 4739 } 4740 4741 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4742 } 4743 4744 @Override 4745 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4746 mContext.enforceCallingOrSelfPermission( 4747 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4748 "addOnPermissionsChangeListener"); 4749 4750 synchronized (mPackages) { 4751 mOnPermissionChangeListeners.addListenerLocked(listener); 4752 } 4753 } 4754 4755 @Override 4756 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4757 synchronized (mPackages) { 4758 mOnPermissionChangeListeners.removeListenerLocked(listener); 4759 } 4760 } 4761 4762 @Override 4763 public boolean isProtectedBroadcast(String actionName) { 4764 synchronized (mPackages) { 4765 if (mProtectedBroadcasts.contains(actionName)) { 4766 return true; 4767 } else if (actionName != null) { 4768 // TODO: remove these terrible hacks 4769 if (actionName.startsWith("android.net.netmon.lingerExpired") 4770 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4771 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4772 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4773 return true; 4774 } 4775 } 4776 } 4777 return false; 4778 } 4779 4780 @Override 4781 public int checkSignatures(String pkg1, String pkg2) { 4782 synchronized (mPackages) { 4783 final PackageParser.Package p1 = mPackages.get(pkg1); 4784 final PackageParser.Package p2 = mPackages.get(pkg2); 4785 if (p1 == null || p1.mExtras == null 4786 || p2 == null || p2.mExtras == null) { 4787 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4788 } 4789 return compareSignatures(p1.mSignatures, p2.mSignatures); 4790 } 4791 } 4792 4793 @Override 4794 public int checkUidSignatures(int uid1, int uid2) { 4795 // Map to base uids. 4796 uid1 = UserHandle.getAppId(uid1); 4797 uid2 = UserHandle.getAppId(uid2); 4798 // reader 4799 synchronized (mPackages) { 4800 Signature[] s1; 4801 Signature[] s2; 4802 Object obj = mSettings.getUserIdLPr(uid1); 4803 if (obj != null) { 4804 if (obj instanceof SharedUserSetting) { 4805 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4806 } else if (obj instanceof PackageSetting) { 4807 s1 = ((PackageSetting)obj).signatures.mSignatures; 4808 } else { 4809 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4810 } 4811 } else { 4812 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4813 } 4814 obj = mSettings.getUserIdLPr(uid2); 4815 if (obj != null) { 4816 if (obj instanceof SharedUserSetting) { 4817 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4818 } else if (obj instanceof PackageSetting) { 4819 s2 = ((PackageSetting)obj).signatures.mSignatures; 4820 } else { 4821 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4822 } 4823 } else { 4824 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4825 } 4826 return compareSignatures(s1, s2); 4827 } 4828 } 4829 4830 /** 4831 * This method should typically only be used when granting or revoking 4832 * permissions, since the app may immediately restart after this call. 4833 * <p> 4834 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4835 * guard your work against the app being relaunched. 4836 */ 4837 private void killUid(int appId, int userId, String reason) { 4838 final long identity = Binder.clearCallingIdentity(); 4839 try { 4840 IActivityManager am = ActivityManager.getService(); 4841 if (am != null) { 4842 try { 4843 am.killUid(appId, userId, reason); 4844 } catch (RemoteException e) { 4845 /* ignore - same process */ 4846 } 4847 } 4848 } finally { 4849 Binder.restoreCallingIdentity(identity); 4850 } 4851 } 4852 4853 /** 4854 * Compares two sets of signatures. Returns: 4855 * <br /> 4856 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4857 * <br /> 4858 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4859 * <br /> 4860 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4861 * <br /> 4862 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4863 * <br /> 4864 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4865 */ 4866 static int compareSignatures(Signature[] s1, Signature[] s2) { 4867 if (s1 == null) { 4868 return s2 == null 4869 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4870 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4871 } 4872 4873 if (s2 == null) { 4874 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4875 } 4876 4877 if (s1.length != s2.length) { 4878 return PackageManager.SIGNATURE_NO_MATCH; 4879 } 4880 4881 // Since both signature sets are of size 1, we can compare without HashSets. 4882 if (s1.length == 1) { 4883 return s1[0].equals(s2[0]) ? 4884 PackageManager.SIGNATURE_MATCH : 4885 PackageManager.SIGNATURE_NO_MATCH; 4886 } 4887 4888 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4889 for (Signature sig : s1) { 4890 set1.add(sig); 4891 } 4892 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4893 for (Signature sig : s2) { 4894 set2.add(sig); 4895 } 4896 // Make sure s2 contains all signatures in s1. 4897 if (set1.equals(set2)) { 4898 return PackageManager.SIGNATURE_MATCH; 4899 } 4900 return PackageManager.SIGNATURE_NO_MATCH; 4901 } 4902 4903 /** 4904 * If the database version for this type of package (internal storage or 4905 * external storage) is less than the version where package signatures 4906 * were updated, return true. 4907 */ 4908 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4909 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4910 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4911 } 4912 4913 /** 4914 * Used for backward compatibility to make sure any packages with 4915 * certificate chains get upgraded to the new style. {@code existingSigs} 4916 * will be in the old format (since they were stored on disk from before the 4917 * system upgrade) and {@code scannedSigs} will be in the newer format. 4918 */ 4919 private int compareSignaturesCompat(PackageSignatures existingSigs, 4920 PackageParser.Package scannedPkg) { 4921 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4922 return PackageManager.SIGNATURE_NO_MATCH; 4923 } 4924 4925 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4926 for (Signature sig : existingSigs.mSignatures) { 4927 existingSet.add(sig); 4928 } 4929 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4930 for (Signature sig : scannedPkg.mSignatures) { 4931 try { 4932 Signature[] chainSignatures = sig.getChainSignatures(); 4933 for (Signature chainSig : chainSignatures) { 4934 scannedCompatSet.add(chainSig); 4935 } 4936 } catch (CertificateEncodingException e) { 4937 scannedCompatSet.add(sig); 4938 } 4939 } 4940 /* 4941 * Make sure the expanded scanned set contains all signatures in the 4942 * existing one. 4943 */ 4944 if (scannedCompatSet.equals(existingSet)) { 4945 // Migrate the old signatures to the new scheme. 4946 existingSigs.assignSignatures(scannedPkg.mSignatures); 4947 // The new KeySets will be re-added later in the scanning process. 4948 synchronized (mPackages) { 4949 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4950 } 4951 return PackageManager.SIGNATURE_MATCH; 4952 } 4953 return PackageManager.SIGNATURE_NO_MATCH; 4954 } 4955 4956 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4957 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4958 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4959 } 4960 4961 private int compareSignaturesRecover(PackageSignatures existingSigs, 4962 PackageParser.Package scannedPkg) { 4963 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4964 return PackageManager.SIGNATURE_NO_MATCH; 4965 } 4966 4967 String msg = null; 4968 try { 4969 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4970 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4971 + scannedPkg.packageName); 4972 return PackageManager.SIGNATURE_MATCH; 4973 } 4974 } catch (CertificateException e) { 4975 msg = e.getMessage(); 4976 } 4977 4978 logCriticalInfo(Log.INFO, 4979 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4980 return PackageManager.SIGNATURE_NO_MATCH; 4981 } 4982 4983 @Override 4984 public List<String> getAllPackages() { 4985 synchronized (mPackages) { 4986 return new ArrayList<String>(mPackages.keySet()); 4987 } 4988 } 4989 4990 @Override 4991 public String[] getPackagesForUid(int uid) { 4992 final int userId = UserHandle.getUserId(uid); 4993 uid = UserHandle.getAppId(uid); 4994 // reader 4995 synchronized (mPackages) { 4996 Object obj = mSettings.getUserIdLPr(uid); 4997 if (obj instanceof SharedUserSetting) { 4998 final SharedUserSetting sus = (SharedUserSetting) obj; 4999 final int N = sus.packages.size(); 5000 String[] res = new String[N]; 5001 final Iterator<PackageSetting> it = sus.packages.iterator(); 5002 int i = 0; 5003 while (it.hasNext()) { 5004 PackageSetting ps = it.next(); 5005 if (ps.getInstalled(userId)) { 5006 res[i++] = ps.name; 5007 } else { 5008 res = ArrayUtils.removeElement(String.class, res, res[i]); 5009 } 5010 } 5011 return res; 5012 } else if (obj instanceof PackageSetting) { 5013 final PackageSetting ps = (PackageSetting) obj; 5014 return new String[] { ps.name }; 5015 } 5016 } 5017 return null; 5018 } 5019 5020 @Override 5021 public String getNameForUid(int uid) { 5022 // reader 5023 synchronized (mPackages) { 5024 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5025 if (obj instanceof SharedUserSetting) { 5026 final SharedUserSetting sus = (SharedUserSetting) obj; 5027 return sus.name + ":" + sus.userId; 5028 } else if (obj instanceof PackageSetting) { 5029 final PackageSetting ps = (PackageSetting) obj; 5030 return ps.name; 5031 } 5032 } 5033 return null; 5034 } 5035 5036 @Override 5037 public int getUidForSharedUser(String sharedUserName) { 5038 if(sharedUserName == null) { 5039 return -1; 5040 } 5041 // reader 5042 synchronized (mPackages) { 5043 SharedUserSetting suid; 5044 try { 5045 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5046 if (suid != null) { 5047 return suid.userId; 5048 } 5049 } catch (PackageManagerException ignore) { 5050 // can't happen, but, still need to catch it 5051 } 5052 return -1; 5053 } 5054 } 5055 5056 @Override 5057 public int getFlagsForUid(int uid) { 5058 synchronized (mPackages) { 5059 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5060 if (obj instanceof SharedUserSetting) { 5061 final SharedUserSetting sus = (SharedUserSetting) obj; 5062 return sus.pkgFlags; 5063 } else if (obj instanceof PackageSetting) { 5064 final PackageSetting ps = (PackageSetting) obj; 5065 return ps.pkgFlags; 5066 } 5067 } 5068 return 0; 5069 } 5070 5071 @Override 5072 public int getPrivateFlagsForUid(int uid) { 5073 synchronized (mPackages) { 5074 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5075 if (obj instanceof SharedUserSetting) { 5076 final SharedUserSetting sus = (SharedUserSetting) obj; 5077 return sus.pkgPrivateFlags; 5078 } else if (obj instanceof PackageSetting) { 5079 final PackageSetting ps = (PackageSetting) obj; 5080 return ps.pkgPrivateFlags; 5081 } 5082 } 5083 return 0; 5084 } 5085 5086 @Override 5087 public boolean isUidPrivileged(int uid) { 5088 uid = UserHandle.getAppId(uid); 5089 // reader 5090 synchronized (mPackages) { 5091 Object obj = mSettings.getUserIdLPr(uid); 5092 if (obj instanceof SharedUserSetting) { 5093 final SharedUserSetting sus = (SharedUserSetting) obj; 5094 final Iterator<PackageSetting> it = sus.packages.iterator(); 5095 while (it.hasNext()) { 5096 if (it.next().isPrivileged()) { 5097 return true; 5098 } 5099 } 5100 } else if (obj instanceof PackageSetting) { 5101 final PackageSetting ps = (PackageSetting) obj; 5102 return ps.isPrivileged(); 5103 } 5104 } 5105 return false; 5106 } 5107 5108 @Override 5109 public String[] getAppOpPermissionPackages(String permissionName) { 5110 synchronized (mPackages) { 5111 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5112 if (pkgs == null) { 5113 return null; 5114 } 5115 return pkgs.toArray(new String[pkgs.size()]); 5116 } 5117 } 5118 5119 @Override 5120 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5121 int flags, int userId) { 5122 try { 5123 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5124 5125 if (!sUserManager.exists(userId)) return null; 5126 flags = updateFlagsForResolve(flags, userId, intent); 5127 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5128 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5129 5130 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5131 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5132 flags, userId); 5133 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5134 5135 final ResolveInfo bestChoice = 5136 chooseBestActivity(intent, resolvedType, flags, query, userId); 5137 return bestChoice; 5138 } finally { 5139 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5140 } 5141 } 5142 5143 @Override 5144 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5145 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5146 throw new SecurityException( 5147 "findPersistentPreferredActivity can only be run by the system"); 5148 } 5149 if (!sUserManager.exists(userId)) { 5150 return null; 5151 } 5152 intent = updateIntentForResolve(intent); 5153 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5154 final int flags = updateFlagsForResolve(0, userId, intent); 5155 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5156 userId); 5157 synchronized (mPackages) { 5158 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5159 userId); 5160 } 5161 } 5162 5163 @Override 5164 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5165 IntentFilter filter, int match, ComponentName activity) { 5166 final int userId = UserHandle.getCallingUserId(); 5167 if (DEBUG_PREFERRED) { 5168 Log.v(TAG, "setLastChosenActivity intent=" + intent 5169 + " resolvedType=" + resolvedType 5170 + " flags=" + flags 5171 + " filter=" + filter 5172 + " match=" + match 5173 + " activity=" + activity); 5174 filter.dump(new PrintStreamPrinter(System.out), " "); 5175 } 5176 intent.setComponent(null); 5177 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5178 userId); 5179 // Find any earlier preferred or last chosen entries and nuke them 5180 findPreferredActivity(intent, resolvedType, 5181 flags, query, 0, false, true, false, userId); 5182 // Add the new activity as the last chosen for this filter 5183 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5184 "Setting last chosen"); 5185 } 5186 5187 @Override 5188 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5189 final int userId = UserHandle.getCallingUserId(); 5190 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5191 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5192 userId); 5193 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5194 false, false, false, userId); 5195 } 5196 5197 private boolean isEphemeralDisabled() { 5198 // ephemeral apps have been disabled across the board 5199 if (DISABLE_EPHEMERAL_APPS) { 5200 return true; 5201 } 5202 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5203 if (!mSystemReady) { 5204 return true; 5205 } 5206 // we can't get a content resolver until the system is ready; these checks must happen last 5207 final ContentResolver resolver = mContext.getContentResolver(); 5208 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5209 return true; 5210 } 5211 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5212 } 5213 5214 private boolean isEphemeralAllowed( 5215 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5216 boolean skipPackageCheck) { 5217 // Short circuit and return early if possible. 5218 if (isEphemeralDisabled()) { 5219 return false; 5220 } 5221 final int callingUser = UserHandle.getCallingUserId(); 5222 if (callingUser != UserHandle.USER_SYSTEM) { 5223 return false; 5224 } 5225 if (mEphemeralResolverConnection == null) { 5226 return false; 5227 } 5228 if (mEphemeralInstallerComponent == null) { 5229 return false; 5230 } 5231 if (intent.getComponent() != null) { 5232 return false; 5233 } 5234 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5235 return false; 5236 } 5237 if (!skipPackageCheck && intent.getPackage() != null) { 5238 return false; 5239 } 5240 final boolean isWebUri = hasWebURI(intent); 5241 if (!isWebUri || intent.getData().getHost() == null) { 5242 return false; 5243 } 5244 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5245 synchronized (mPackages) { 5246 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5247 for (int n = 0; n < count; n++) { 5248 ResolveInfo info = resolvedActivities.get(n); 5249 String packageName = info.activityInfo.packageName; 5250 PackageSetting ps = mSettings.mPackages.get(packageName); 5251 if (ps != null) { 5252 // Try to get the status from User settings first 5253 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5254 int status = (int) (packedStatus >> 32); 5255 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5256 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5257 if (DEBUG_EPHEMERAL) { 5258 Slog.v(TAG, "DENY ephemeral apps;" 5259 + " pkg: " + packageName + ", status: " + status); 5260 } 5261 return false; 5262 } 5263 } 5264 } 5265 } 5266 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5267 return true; 5268 } 5269 5270 private void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 5271 Intent origIntent, String resolvedType, Intent launchIntent, String callingPackage, 5272 int userId) { 5273 final Message msg = mHandler.obtainMessage(EPHEMERAL_RESOLUTION_PHASE_TWO, 5274 new EphemeralRequest(responseObj, origIntent, resolvedType, launchIntent, 5275 callingPackage, userId)); 5276 mHandler.sendMessage(msg); 5277 } 5278 5279 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5280 int flags, List<ResolveInfo> query, int userId) { 5281 if (query != null) { 5282 final int N = query.size(); 5283 if (N == 1) { 5284 return query.get(0); 5285 } else if (N > 1) { 5286 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5287 // If there is more than one activity with the same priority, 5288 // then let the user decide between them. 5289 ResolveInfo r0 = query.get(0); 5290 ResolveInfo r1 = query.get(1); 5291 if (DEBUG_INTENT_MATCHING || debug) { 5292 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5293 + r1.activityInfo.name + "=" + r1.priority); 5294 } 5295 // If the first activity has a higher priority, or a different 5296 // default, then it is always desirable to pick it. 5297 if (r0.priority != r1.priority 5298 || r0.preferredOrder != r1.preferredOrder 5299 || r0.isDefault != r1.isDefault) { 5300 return query.get(0); 5301 } 5302 // If we have saved a preference for a preferred activity for 5303 // this Intent, use that. 5304 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5305 flags, query, r0.priority, true, false, debug, userId); 5306 if (ri != null) { 5307 return ri; 5308 } 5309 ri = new ResolveInfo(mResolveInfo); 5310 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5311 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5312 // If all of the options come from the same package, show the application's 5313 // label and icon instead of the generic resolver's. 5314 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5315 // and then throw away the ResolveInfo itself, meaning that the caller loses 5316 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5317 // a fallback for this case; we only set the target package's resources on 5318 // the ResolveInfo, not the ActivityInfo. 5319 final String intentPackage = intent.getPackage(); 5320 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5321 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5322 ri.resolvePackageName = intentPackage; 5323 if (userNeedsBadging(userId)) { 5324 ri.noResourceId = true; 5325 } else { 5326 ri.icon = appi.icon; 5327 } 5328 ri.iconResourceId = appi.icon; 5329 ri.labelRes = appi.labelRes; 5330 } 5331 ri.activityInfo.applicationInfo = new ApplicationInfo( 5332 ri.activityInfo.applicationInfo); 5333 if (userId != 0) { 5334 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5335 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5336 } 5337 // Make sure that the resolver is displayable in car mode 5338 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5339 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5340 return ri; 5341 } 5342 } 5343 return null; 5344 } 5345 5346 /** 5347 * Return true if the given list is not empty and all of its contents have 5348 * an activityInfo with the given package name. 5349 */ 5350 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5351 if (ArrayUtils.isEmpty(list)) { 5352 return false; 5353 } 5354 for (int i = 0, N = list.size(); i < N; i++) { 5355 final ResolveInfo ri = list.get(i); 5356 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5357 if (ai == null || !packageName.equals(ai.packageName)) { 5358 return false; 5359 } 5360 } 5361 return true; 5362 } 5363 5364 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5365 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5366 final int N = query.size(); 5367 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5368 .get(userId); 5369 // Get the list of persistent preferred activities that handle the intent 5370 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5371 List<PersistentPreferredActivity> pprefs = ppir != null 5372 ? ppir.queryIntent(intent, resolvedType, 5373 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5374 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5375 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5376 : null; 5377 if (pprefs != null && pprefs.size() > 0) { 5378 final int M = pprefs.size(); 5379 for (int i=0; i<M; i++) { 5380 final PersistentPreferredActivity ppa = pprefs.get(i); 5381 if (DEBUG_PREFERRED || debug) { 5382 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5383 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5384 + "\n component=" + ppa.mComponent); 5385 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5386 } 5387 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5388 flags | MATCH_DISABLED_COMPONENTS, userId); 5389 if (DEBUG_PREFERRED || debug) { 5390 Slog.v(TAG, "Found persistent preferred activity:"); 5391 if (ai != null) { 5392 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5393 } else { 5394 Slog.v(TAG, " null"); 5395 } 5396 } 5397 if (ai == null) { 5398 // This previously registered persistent preferred activity 5399 // component is no longer known. Ignore it and do NOT remove it. 5400 continue; 5401 } 5402 for (int j=0; j<N; j++) { 5403 final ResolveInfo ri = query.get(j); 5404 if (!ri.activityInfo.applicationInfo.packageName 5405 .equals(ai.applicationInfo.packageName)) { 5406 continue; 5407 } 5408 if (!ri.activityInfo.name.equals(ai.name)) { 5409 continue; 5410 } 5411 // Found a persistent preference that can handle the intent. 5412 if (DEBUG_PREFERRED || debug) { 5413 Slog.v(TAG, "Returning persistent preferred activity: " + 5414 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5415 } 5416 return ri; 5417 } 5418 } 5419 } 5420 return null; 5421 } 5422 5423 // TODO: handle preferred activities missing while user has amnesia 5424 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5425 List<ResolveInfo> query, int priority, boolean always, 5426 boolean removeMatches, boolean debug, int userId) { 5427 if (!sUserManager.exists(userId)) return null; 5428 flags = updateFlagsForResolve(flags, userId, intent); 5429 intent = updateIntentForResolve(intent); 5430 // writer 5431 synchronized (mPackages) { 5432 // Try to find a matching persistent preferred activity. 5433 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5434 debug, userId); 5435 5436 // If a persistent preferred activity matched, use it. 5437 if (pri != null) { 5438 return pri; 5439 } 5440 5441 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5442 // Get the list of preferred activities that handle the intent 5443 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5444 List<PreferredActivity> prefs = pir != null 5445 ? pir.queryIntent(intent, resolvedType, 5446 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5447 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5448 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5449 : null; 5450 if (prefs != null && prefs.size() > 0) { 5451 boolean changed = false; 5452 try { 5453 // First figure out how good the original match set is. 5454 // We will only allow preferred activities that came 5455 // from the same match quality. 5456 int match = 0; 5457 5458 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5459 5460 final int N = query.size(); 5461 for (int j=0; j<N; j++) { 5462 final ResolveInfo ri = query.get(j); 5463 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5464 + ": 0x" + Integer.toHexString(match)); 5465 if (ri.match > match) { 5466 match = ri.match; 5467 } 5468 } 5469 5470 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5471 + Integer.toHexString(match)); 5472 5473 match &= IntentFilter.MATCH_CATEGORY_MASK; 5474 final int M = prefs.size(); 5475 for (int i=0; i<M; i++) { 5476 final PreferredActivity pa = prefs.get(i); 5477 if (DEBUG_PREFERRED || debug) { 5478 Slog.v(TAG, "Checking PreferredActivity ds=" 5479 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5480 + "\n component=" + pa.mPref.mComponent); 5481 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5482 } 5483 if (pa.mPref.mMatch != match) { 5484 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5485 + Integer.toHexString(pa.mPref.mMatch)); 5486 continue; 5487 } 5488 // If it's not an "always" type preferred activity and that's what we're 5489 // looking for, skip it. 5490 if (always && !pa.mPref.mAlways) { 5491 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5492 continue; 5493 } 5494 final ActivityInfo ai = getActivityInfo( 5495 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5496 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5497 userId); 5498 if (DEBUG_PREFERRED || debug) { 5499 Slog.v(TAG, "Found preferred activity:"); 5500 if (ai != null) { 5501 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5502 } else { 5503 Slog.v(TAG, " null"); 5504 } 5505 } 5506 if (ai == null) { 5507 // This previously registered preferred activity 5508 // component is no longer known. Most likely an update 5509 // to the app was installed and in the new version this 5510 // component no longer exists. Clean it up by removing 5511 // it from the preferred activities list, and skip it. 5512 Slog.w(TAG, "Removing dangling preferred activity: " 5513 + pa.mPref.mComponent); 5514 pir.removeFilter(pa); 5515 changed = true; 5516 continue; 5517 } 5518 for (int j=0; j<N; j++) { 5519 final ResolveInfo ri = query.get(j); 5520 if (!ri.activityInfo.applicationInfo.packageName 5521 .equals(ai.applicationInfo.packageName)) { 5522 continue; 5523 } 5524 if (!ri.activityInfo.name.equals(ai.name)) { 5525 continue; 5526 } 5527 5528 if (removeMatches) { 5529 pir.removeFilter(pa); 5530 changed = true; 5531 if (DEBUG_PREFERRED) { 5532 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5533 } 5534 break; 5535 } 5536 5537 // Okay we found a previously set preferred or last chosen app. 5538 // If the result set is different from when this 5539 // was created, we need to clear it and re-ask the 5540 // user their preference, if we're looking for an "always" type entry. 5541 if (always && !pa.mPref.sameSet(query)) { 5542 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5543 + intent + " type " + resolvedType); 5544 if (DEBUG_PREFERRED) { 5545 Slog.v(TAG, "Removing preferred activity since set changed " 5546 + pa.mPref.mComponent); 5547 } 5548 pir.removeFilter(pa); 5549 // Re-add the filter as a "last chosen" entry (!always) 5550 PreferredActivity lastChosen = new PreferredActivity( 5551 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5552 pir.addFilter(lastChosen); 5553 changed = true; 5554 return null; 5555 } 5556 5557 // Yay! Either the set matched or we're looking for the last chosen 5558 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5559 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5560 return ri; 5561 } 5562 } 5563 } finally { 5564 if (changed) { 5565 if (DEBUG_PREFERRED) { 5566 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5567 } 5568 scheduleWritePackageRestrictionsLocked(userId); 5569 } 5570 } 5571 } 5572 } 5573 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5574 return null; 5575 } 5576 5577 /* 5578 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5579 */ 5580 @Override 5581 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5582 int targetUserId) { 5583 mContext.enforceCallingOrSelfPermission( 5584 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5585 List<CrossProfileIntentFilter> matches = 5586 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5587 if (matches != null) { 5588 int size = matches.size(); 5589 for (int i = 0; i < size; i++) { 5590 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5591 } 5592 } 5593 if (hasWebURI(intent)) { 5594 // cross-profile app linking works only towards the parent. 5595 final UserInfo parent = getProfileParent(sourceUserId); 5596 synchronized(mPackages) { 5597 int flags = updateFlagsForResolve(0, parent.id, intent); 5598 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5599 intent, resolvedType, flags, sourceUserId, parent.id); 5600 return xpDomainInfo != null; 5601 } 5602 } 5603 return false; 5604 } 5605 5606 private UserInfo getProfileParent(int userId) { 5607 final long identity = Binder.clearCallingIdentity(); 5608 try { 5609 return sUserManager.getProfileParent(userId); 5610 } finally { 5611 Binder.restoreCallingIdentity(identity); 5612 } 5613 } 5614 5615 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5616 String resolvedType, int userId) { 5617 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5618 if (resolver != null) { 5619 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, 5620 false /*visibleToEphemeral*/, false /*isEphemeral*/, userId); 5621 } 5622 return null; 5623 } 5624 5625 @Override 5626 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5627 String resolvedType, int flags, int userId) { 5628 try { 5629 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5630 5631 return new ParceledListSlice<>( 5632 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5633 } finally { 5634 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5635 } 5636 } 5637 5638 /** 5639 * Returns the package name of the calling Uid if it's an ephemeral app. If it isn't 5640 * ephemeral, returns {@code null}. 5641 */ 5642 private String getEphemeralPackageName(int callingUid) { 5643 final int appId = UserHandle.getAppId(callingUid); 5644 synchronized (mPackages) { 5645 final Object obj = mSettings.getUserIdLPr(appId); 5646 if (obj instanceof PackageSetting) { 5647 final PackageSetting ps = (PackageSetting) obj; 5648 return ps.pkg.applicationInfo.isEphemeralApp() ? ps.pkg.packageName : null; 5649 } 5650 } 5651 return null; 5652 } 5653 5654 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5655 String resolvedType, int flags, int userId) { 5656 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5657 final String ephemeralPkgName = getEphemeralPackageName(Binder.getCallingUid()); 5658 flags = updateFlagsForResolve(flags, userId, intent); 5659 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5660 false /* requireFullPermission */, false /* checkShell */, 5661 "query intent activities"); 5662 ComponentName comp = intent.getComponent(); 5663 if (comp == null) { 5664 if (intent.getSelector() != null) { 5665 intent = intent.getSelector(); 5666 comp = intent.getComponent(); 5667 } 5668 } 5669 5670 if (comp != null) { 5671 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5672 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5673 if (ai != null) { 5674 // When specifying an explicit component, we prevent the activity from being 5675 // used when either 1) the calling package is normal and the activity is within 5676 // an ephemeral application or 2) the calling package is ephemeral and the 5677 // activity is not visible to ephemeral applications. 5678 boolean matchEphemeral = 5679 (flags & PackageManager.MATCH_EPHEMERAL) != 0; 5680 boolean ephemeralVisibleOnly = 5681 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 5682 boolean blockResolution = 5683 (!matchEphemeral && ephemeralPkgName == null 5684 && (ai.applicationInfo.privateFlags 5685 & ApplicationInfo.PRIVATE_FLAG_EPHEMERAL) != 0) 5686 || (ephemeralVisibleOnly && ephemeralPkgName != null 5687 && (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0); 5688 if (!blockResolution) { 5689 final ResolveInfo ri = new ResolveInfo(); 5690 ri.activityInfo = ai; 5691 list.add(ri); 5692 } 5693 } 5694 return list; 5695 } 5696 5697 // reader 5698 boolean sortResult = false; 5699 boolean addEphemeral = false; 5700 List<ResolveInfo> result; 5701 final String pkgName = intent.getPackage(); 5702 synchronized (mPackages) { 5703 if (pkgName == null) { 5704 List<CrossProfileIntentFilter> matchingFilters = 5705 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5706 // Check for results that need to skip the current profile. 5707 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5708 resolvedType, flags, userId); 5709 if (xpResolveInfo != null) { 5710 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 5711 xpResult.add(xpResolveInfo); 5712 return filterForEphemeral( 5713 filterIfNotSystemUser(xpResult, userId), ephemeralPkgName); 5714 } 5715 5716 // Check for results in the current profile. 5717 result = filterIfNotSystemUser(mActivities.queryIntent( 5718 intent, resolvedType, flags, userId), userId); 5719 addEphemeral = 5720 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 5721 5722 // Check for cross profile results. 5723 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5724 xpResolveInfo = queryCrossProfileIntents( 5725 matchingFilters, intent, resolvedType, flags, userId, 5726 hasNonNegativePriorityResult); 5727 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5728 boolean isVisibleToUser = filterIfNotSystemUser( 5729 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5730 if (isVisibleToUser) { 5731 result.add(xpResolveInfo); 5732 sortResult = true; 5733 } 5734 } 5735 if (hasWebURI(intent)) { 5736 CrossProfileDomainInfo xpDomainInfo = null; 5737 final UserInfo parent = getProfileParent(userId); 5738 if (parent != null) { 5739 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5740 flags, userId, parent.id); 5741 } 5742 if (xpDomainInfo != null) { 5743 if (xpResolveInfo != null) { 5744 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5745 // in the result. 5746 result.remove(xpResolveInfo); 5747 } 5748 if (result.size() == 0 && !addEphemeral) { 5749 // No result in current profile, but found candidate in parent user. 5750 // And we are not going to add emphemeral app, so we can return the 5751 // result straight away. 5752 result.add(xpDomainInfo.resolveInfo); 5753 return filterForEphemeral(result, ephemeralPkgName); 5754 } 5755 } else if (result.size() <= 1 && !addEphemeral) { 5756 // No result in parent user and <= 1 result in current profile, and we 5757 // are not going to add emphemeral app, so we can return the result without 5758 // further processing. 5759 return filterForEphemeral(result, ephemeralPkgName); 5760 } 5761 // We have more than one candidate (combining results from current and parent 5762 // profile), so we need filtering and sorting. 5763 result = filterCandidatesWithDomainPreferredActivitiesLPr( 5764 intent, flags, result, xpDomainInfo, userId); 5765 sortResult = true; 5766 } 5767 } else { 5768 final PackageParser.Package pkg = mPackages.get(pkgName); 5769 if (pkg != null) { 5770 result = filterForEphemeral(filterIfNotSystemUser( 5771 mActivities.queryIntentForPackage( 5772 intent, resolvedType, flags, pkg.activities, userId), 5773 userId), ephemeralPkgName); 5774 } else { 5775 // the caller wants to resolve for a particular package; however, there 5776 // were no installed results, so, try to find an ephemeral result 5777 addEphemeral = isEphemeralAllowed( 5778 intent, null /*result*/, userId, true /*skipPackageCheck*/); 5779 result = new ArrayList<ResolveInfo>(); 5780 } 5781 } 5782 } 5783 if (addEphemeral) { 5784 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 5785 final EphemeralRequest requestObject = new EphemeralRequest( 5786 null /*responseObj*/, intent /*origIntent*/, resolvedType, 5787 null /*launchIntent*/, null /*callingPackage*/, userId); 5788 final EphemeralResponse intentInfo = EphemeralResolver.doEphemeralResolutionPhaseOne( 5789 mContext, mEphemeralResolverConnection, requestObject); 5790 if (intentInfo != null) { 5791 if (DEBUG_EPHEMERAL) { 5792 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 5793 } 5794 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 5795 ephemeralInstaller.ephemeralResponse = intentInfo; 5796 // make sure this resolver is the default 5797 ephemeralInstaller.isDefault = true; 5798 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 5799 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 5800 // add a non-generic filter 5801 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 5802 ephemeralInstaller.filter.addDataPath( 5803 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 5804 result.add(ephemeralInstaller); 5805 } 5806 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5807 } 5808 if (sortResult) { 5809 Collections.sort(result, mResolvePrioritySorter); 5810 } 5811 return filterForEphemeral(result, ephemeralPkgName); 5812 } 5813 5814 private static class CrossProfileDomainInfo { 5815 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5816 ResolveInfo resolveInfo; 5817 /* Best domain verification status of the activities found in the other profile */ 5818 int bestDomainVerificationStatus; 5819 } 5820 5821 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5822 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5823 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5824 sourceUserId)) { 5825 return null; 5826 } 5827 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5828 resolvedType, flags, parentUserId); 5829 5830 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5831 return null; 5832 } 5833 CrossProfileDomainInfo result = null; 5834 int size = resultTargetUser.size(); 5835 for (int i = 0; i < size; i++) { 5836 ResolveInfo riTargetUser = resultTargetUser.get(i); 5837 // Intent filter verification is only for filters that specify a host. So don't return 5838 // those that handle all web uris. 5839 if (riTargetUser.handleAllWebDataURI) { 5840 continue; 5841 } 5842 String packageName = riTargetUser.activityInfo.packageName; 5843 PackageSetting ps = mSettings.mPackages.get(packageName); 5844 if (ps == null) { 5845 continue; 5846 } 5847 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5848 int status = (int)(verificationState >> 32); 5849 if (result == null) { 5850 result = new CrossProfileDomainInfo(); 5851 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5852 sourceUserId, parentUserId); 5853 result.bestDomainVerificationStatus = status; 5854 } else { 5855 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5856 result.bestDomainVerificationStatus); 5857 } 5858 } 5859 // Don't consider matches with status NEVER across profiles. 5860 if (result != null && result.bestDomainVerificationStatus 5861 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5862 return null; 5863 } 5864 return result; 5865 } 5866 5867 /** 5868 * Verification statuses are ordered from the worse to the best, except for 5869 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5870 */ 5871 private int bestDomainVerificationStatus(int status1, int status2) { 5872 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5873 return status2; 5874 } 5875 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5876 return status1; 5877 } 5878 return (int) MathUtils.max(status1, status2); 5879 } 5880 5881 private boolean isUserEnabled(int userId) { 5882 long callingId = Binder.clearCallingIdentity(); 5883 try { 5884 UserInfo userInfo = sUserManager.getUserInfo(userId); 5885 return userInfo != null && userInfo.isEnabled(); 5886 } finally { 5887 Binder.restoreCallingIdentity(callingId); 5888 } 5889 } 5890 5891 /** 5892 * Filter out activities with systemUserOnly flag set, when current user is not System. 5893 * 5894 * @return filtered list 5895 */ 5896 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5897 if (userId == UserHandle.USER_SYSTEM) { 5898 return resolveInfos; 5899 } 5900 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5901 ResolveInfo info = resolveInfos.get(i); 5902 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5903 resolveInfos.remove(i); 5904 } 5905 } 5906 return resolveInfos; 5907 } 5908 5909 /** 5910 * Filters out ephemeral activities. 5911 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 5912 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 5913 * 5914 * @param resolveInfos The pre-filtered list of resolved activities 5915 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 5916 * is performed. 5917 * @return A filtered list of resolved activities. 5918 */ 5919 private List<ResolveInfo> filterForEphemeral(List<ResolveInfo> resolveInfos, 5920 String ephemeralPkgName) { 5921 if (ephemeralPkgName == null) { 5922 return resolveInfos; 5923 } 5924 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5925 ResolveInfo info = resolveInfos.get(i); 5926 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isEphemeralApp(); 5927 // allow activities that are defined in the provided package 5928 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 5929 continue; 5930 } 5931 // allow activities that have been explicitly exposed to ephemeral apps 5932 if (!isEphemeralApp 5933 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 5934 continue; 5935 } 5936 resolveInfos.remove(i); 5937 } 5938 return resolveInfos; 5939 } 5940 5941 /** 5942 * @param resolveInfos list of resolve infos in descending priority order 5943 * @return if the list contains a resolve info with non-negative priority 5944 */ 5945 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5946 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5947 } 5948 5949 private static boolean hasWebURI(Intent intent) { 5950 if (intent.getData() == null) { 5951 return false; 5952 } 5953 final String scheme = intent.getScheme(); 5954 if (TextUtils.isEmpty(scheme)) { 5955 return false; 5956 } 5957 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5958 } 5959 5960 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5961 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5962 int userId) { 5963 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5964 5965 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5966 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5967 candidates.size()); 5968 } 5969 5970 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5971 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5972 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5973 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5974 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5975 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5976 5977 synchronized (mPackages) { 5978 final int count = candidates.size(); 5979 // First, try to use linked apps. Partition the candidates into four lists: 5980 // one for the final results, one for the "do not use ever", one for "undefined status" 5981 // and finally one for "browser app type". 5982 for (int n=0; n<count; n++) { 5983 ResolveInfo info = candidates.get(n); 5984 String packageName = info.activityInfo.packageName; 5985 PackageSetting ps = mSettings.mPackages.get(packageName); 5986 if (ps != null) { 5987 // Add to the special match all list (Browser use case) 5988 if (info.handleAllWebDataURI) { 5989 matchAllList.add(info); 5990 continue; 5991 } 5992 // Try to get the status from User settings first 5993 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5994 int status = (int)(packedStatus >> 32); 5995 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5996 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5997 if (DEBUG_DOMAIN_VERIFICATION) { 5998 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5999 + " : linkgen=" + linkGeneration); 6000 } 6001 // Use link-enabled generation as preferredOrder, i.e. 6002 // prefer newly-enabled over earlier-enabled. 6003 info.preferredOrder = linkGeneration; 6004 alwaysList.add(info); 6005 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6006 if (DEBUG_DOMAIN_VERIFICATION) { 6007 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6008 } 6009 neverList.add(info); 6010 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6011 if (DEBUG_DOMAIN_VERIFICATION) { 6012 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6013 } 6014 alwaysAskList.add(info); 6015 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6016 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6017 if (DEBUG_DOMAIN_VERIFICATION) { 6018 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6019 } 6020 undefinedList.add(info); 6021 } 6022 } 6023 } 6024 6025 // We'll want to include browser possibilities in a few cases 6026 boolean includeBrowser = false; 6027 6028 // First try to add the "always" resolution(s) for the current user, if any 6029 if (alwaysList.size() > 0) { 6030 result.addAll(alwaysList); 6031 } else { 6032 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6033 result.addAll(undefinedList); 6034 // Maybe add one for the other profile. 6035 if (xpDomainInfo != null && ( 6036 xpDomainInfo.bestDomainVerificationStatus 6037 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6038 result.add(xpDomainInfo.resolveInfo); 6039 } 6040 includeBrowser = true; 6041 } 6042 6043 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6044 // If there were 'always' entries their preferred order has been set, so we also 6045 // back that off to make the alternatives equivalent 6046 if (alwaysAskList.size() > 0) { 6047 for (ResolveInfo i : result) { 6048 i.preferredOrder = 0; 6049 } 6050 result.addAll(alwaysAskList); 6051 includeBrowser = true; 6052 } 6053 6054 if (includeBrowser) { 6055 // Also add browsers (all of them or only the default one) 6056 if (DEBUG_DOMAIN_VERIFICATION) { 6057 Slog.v(TAG, " ...including browsers in candidate set"); 6058 } 6059 if ((matchFlags & MATCH_ALL) != 0) { 6060 result.addAll(matchAllList); 6061 } else { 6062 // Browser/generic handling case. If there's a default browser, go straight 6063 // to that (but only if there is no other higher-priority match). 6064 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6065 int maxMatchPrio = 0; 6066 ResolveInfo defaultBrowserMatch = null; 6067 final int numCandidates = matchAllList.size(); 6068 for (int n = 0; n < numCandidates; n++) { 6069 ResolveInfo info = matchAllList.get(n); 6070 // track the highest overall match priority... 6071 if (info.priority > maxMatchPrio) { 6072 maxMatchPrio = info.priority; 6073 } 6074 // ...and the highest-priority default browser match 6075 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6076 if (defaultBrowserMatch == null 6077 || (defaultBrowserMatch.priority < info.priority)) { 6078 if (debug) { 6079 Slog.v(TAG, "Considering default browser match " + info); 6080 } 6081 defaultBrowserMatch = info; 6082 } 6083 } 6084 } 6085 if (defaultBrowserMatch != null 6086 && defaultBrowserMatch.priority >= maxMatchPrio 6087 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6088 { 6089 if (debug) { 6090 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6091 } 6092 result.add(defaultBrowserMatch); 6093 } else { 6094 result.addAll(matchAllList); 6095 } 6096 } 6097 6098 // If there is nothing selected, add all candidates and remove the ones that the user 6099 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6100 if (result.size() == 0) { 6101 result.addAll(candidates); 6102 result.removeAll(neverList); 6103 } 6104 } 6105 } 6106 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6107 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6108 result.size()); 6109 for (ResolveInfo info : result) { 6110 Slog.v(TAG, " + " + info.activityInfo); 6111 } 6112 } 6113 return result; 6114 } 6115 6116 // Returns a packed value as a long: 6117 // 6118 // high 'int'-sized word: link status: undefined/ask/never/always. 6119 // low 'int'-sized word: relative priority among 'always' results. 6120 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6121 long result = ps.getDomainVerificationStatusForUser(userId); 6122 // if none available, get the master status 6123 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6124 if (ps.getIntentFilterVerificationInfo() != null) { 6125 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6126 } 6127 } 6128 return result; 6129 } 6130 6131 private ResolveInfo querySkipCurrentProfileIntents( 6132 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6133 int flags, int sourceUserId) { 6134 if (matchingFilters != null) { 6135 int size = matchingFilters.size(); 6136 for (int i = 0; i < size; i ++) { 6137 CrossProfileIntentFilter filter = matchingFilters.get(i); 6138 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6139 // Checking if there are activities in the target user that can handle the 6140 // intent. 6141 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6142 resolvedType, flags, sourceUserId); 6143 if (resolveInfo != null) { 6144 return resolveInfo; 6145 } 6146 } 6147 } 6148 } 6149 return null; 6150 } 6151 6152 // Return matching ResolveInfo in target user if any. 6153 private ResolveInfo queryCrossProfileIntents( 6154 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6155 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6156 if (matchingFilters != null) { 6157 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6158 // match the same intent. For performance reasons, it is better not to 6159 // run queryIntent twice for the same userId 6160 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6161 int size = matchingFilters.size(); 6162 for (int i = 0; i < size; i++) { 6163 CrossProfileIntentFilter filter = matchingFilters.get(i); 6164 int targetUserId = filter.getTargetUserId(); 6165 boolean skipCurrentProfile = 6166 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6167 boolean skipCurrentProfileIfNoMatchFound = 6168 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6169 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6170 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6171 // Checking if there are activities in the target user that can handle the 6172 // intent. 6173 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6174 resolvedType, flags, sourceUserId); 6175 if (resolveInfo != null) return resolveInfo; 6176 alreadyTriedUserIds.put(targetUserId, true); 6177 } 6178 } 6179 } 6180 return null; 6181 } 6182 6183 /** 6184 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6185 * will forward the intent to the filter's target user. 6186 * Otherwise, returns null. 6187 */ 6188 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6189 String resolvedType, int flags, int sourceUserId) { 6190 int targetUserId = filter.getTargetUserId(); 6191 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6192 resolvedType, flags, targetUserId); 6193 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6194 // If all the matches in the target profile are suspended, return null. 6195 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6196 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6197 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6198 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6199 targetUserId); 6200 } 6201 } 6202 } 6203 return null; 6204 } 6205 6206 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6207 int sourceUserId, int targetUserId) { 6208 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6209 long ident = Binder.clearCallingIdentity(); 6210 boolean targetIsProfile; 6211 try { 6212 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6213 } finally { 6214 Binder.restoreCallingIdentity(ident); 6215 } 6216 String className; 6217 if (targetIsProfile) { 6218 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6219 } else { 6220 className = FORWARD_INTENT_TO_PARENT; 6221 } 6222 ComponentName forwardingActivityComponentName = new ComponentName( 6223 mAndroidApplication.packageName, className); 6224 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6225 sourceUserId); 6226 if (!targetIsProfile) { 6227 forwardingActivityInfo.showUserIcon = targetUserId; 6228 forwardingResolveInfo.noResourceId = true; 6229 } 6230 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6231 forwardingResolveInfo.priority = 0; 6232 forwardingResolveInfo.preferredOrder = 0; 6233 forwardingResolveInfo.match = 0; 6234 forwardingResolveInfo.isDefault = true; 6235 forwardingResolveInfo.filter = filter; 6236 forwardingResolveInfo.targetUserId = targetUserId; 6237 return forwardingResolveInfo; 6238 } 6239 6240 @Override 6241 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6242 Intent[] specifics, String[] specificTypes, Intent intent, 6243 String resolvedType, int flags, int userId) { 6244 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6245 specificTypes, intent, resolvedType, flags, userId)); 6246 } 6247 6248 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6249 Intent[] specifics, String[] specificTypes, Intent intent, 6250 String resolvedType, int flags, int userId) { 6251 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6252 flags = updateFlagsForResolve(flags, userId, intent); 6253 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6254 false /* requireFullPermission */, false /* checkShell */, 6255 "query intent activity options"); 6256 final String resultsAction = intent.getAction(); 6257 6258 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6259 | PackageManager.GET_RESOLVED_FILTER, userId); 6260 6261 if (DEBUG_INTENT_MATCHING) { 6262 Log.v(TAG, "Query " + intent + ": " + results); 6263 } 6264 6265 int specificsPos = 0; 6266 int N; 6267 6268 // todo: note that the algorithm used here is O(N^2). This 6269 // isn't a problem in our current environment, but if we start running 6270 // into situations where we have more than 5 or 10 matches then this 6271 // should probably be changed to something smarter... 6272 6273 // First we go through and resolve each of the specific items 6274 // that were supplied, taking care of removing any corresponding 6275 // duplicate items in the generic resolve list. 6276 if (specifics != null) { 6277 for (int i=0; i<specifics.length; i++) { 6278 final Intent sintent = specifics[i]; 6279 if (sintent == null) { 6280 continue; 6281 } 6282 6283 if (DEBUG_INTENT_MATCHING) { 6284 Log.v(TAG, "Specific #" + i + ": " + sintent); 6285 } 6286 6287 String action = sintent.getAction(); 6288 if (resultsAction != null && resultsAction.equals(action)) { 6289 // If this action was explicitly requested, then don't 6290 // remove things that have it. 6291 action = null; 6292 } 6293 6294 ResolveInfo ri = null; 6295 ActivityInfo ai = null; 6296 6297 ComponentName comp = sintent.getComponent(); 6298 if (comp == null) { 6299 ri = resolveIntent( 6300 sintent, 6301 specificTypes != null ? specificTypes[i] : null, 6302 flags, userId); 6303 if (ri == null) { 6304 continue; 6305 } 6306 if (ri == mResolveInfo) { 6307 // ACK! Must do something better with this. 6308 } 6309 ai = ri.activityInfo; 6310 comp = new ComponentName(ai.applicationInfo.packageName, 6311 ai.name); 6312 } else { 6313 ai = getActivityInfo(comp, flags, userId); 6314 if (ai == null) { 6315 continue; 6316 } 6317 } 6318 6319 // Look for any generic query activities that are duplicates 6320 // of this specific one, and remove them from the results. 6321 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6322 N = results.size(); 6323 int j; 6324 for (j=specificsPos; j<N; j++) { 6325 ResolveInfo sri = results.get(j); 6326 if ((sri.activityInfo.name.equals(comp.getClassName()) 6327 && sri.activityInfo.applicationInfo.packageName.equals( 6328 comp.getPackageName())) 6329 || (action != null && sri.filter.matchAction(action))) { 6330 results.remove(j); 6331 if (DEBUG_INTENT_MATCHING) Log.v( 6332 TAG, "Removing duplicate item from " + j 6333 + " due to specific " + specificsPos); 6334 if (ri == null) { 6335 ri = sri; 6336 } 6337 j--; 6338 N--; 6339 } 6340 } 6341 6342 // Add this specific item to its proper place. 6343 if (ri == null) { 6344 ri = new ResolveInfo(); 6345 ri.activityInfo = ai; 6346 } 6347 results.add(specificsPos, ri); 6348 ri.specificIndex = i; 6349 specificsPos++; 6350 } 6351 } 6352 6353 // Now we go through the remaining generic results and remove any 6354 // duplicate actions that are found here. 6355 N = results.size(); 6356 for (int i=specificsPos; i<N-1; i++) { 6357 final ResolveInfo rii = results.get(i); 6358 if (rii.filter == null) { 6359 continue; 6360 } 6361 6362 // Iterate over all of the actions of this result's intent 6363 // filter... typically this should be just one. 6364 final Iterator<String> it = rii.filter.actionsIterator(); 6365 if (it == null) { 6366 continue; 6367 } 6368 while (it.hasNext()) { 6369 final String action = it.next(); 6370 if (resultsAction != null && resultsAction.equals(action)) { 6371 // If this action was explicitly requested, then don't 6372 // remove things that have it. 6373 continue; 6374 } 6375 for (int j=i+1; j<N; j++) { 6376 final ResolveInfo rij = results.get(j); 6377 if (rij.filter != null && rij.filter.hasAction(action)) { 6378 results.remove(j); 6379 if (DEBUG_INTENT_MATCHING) Log.v( 6380 TAG, "Removing duplicate item from " + j 6381 + " due to action " + action + " at " + i); 6382 j--; 6383 N--; 6384 } 6385 } 6386 } 6387 6388 // If the caller didn't request filter information, drop it now 6389 // so we don't have to marshall/unmarshall it. 6390 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6391 rii.filter = null; 6392 } 6393 } 6394 6395 // Filter out the caller activity if so requested. 6396 if (caller != null) { 6397 N = results.size(); 6398 for (int i=0; i<N; i++) { 6399 ActivityInfo ainfo = results.get(i).activityInfo; 6400 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6401 && caller.getClassName().equals(ainfo.name)) { 6402 results.remove(i); 6403 break; 6404 } 6405 } 6406 } 6407 6408 // If the caller didn't request filter information, 6409 // drop them now so we don't have to 6410 // marshall/unmarshall it. 6411 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6412 N = results.size(); 6413 for (int i=0; i<N; i++) { 6414 results.get(i).filter = null; 6415 } 6416 } 6417 6418 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6419 return results; 6420 } 6421 6422 @Override 6423 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6424 String resolvedType, int flags, int userId) { 6425 return new ParceledListSlice<>( 6426 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6427 } 6428 6429 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6430 String resolvedType, int flags, int userId) { 6431 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6432 flags = updateFlagsForResolve(flags, userId, intent); 6433 ComponentName comp = intent.getComponent(); 6434 if (comp == null) { 6435 if (intent.getSelector() != null) { 6436 intent = intent.getSelector(); 6437 comp = intent.getComponent(); 6438 } 6439 } 6440 if (comp != null) { 6441 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6442 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6443 if (ai != null) { 6444 ResolveInfo ri = new ResolveInfo(); 6445 ri.activityInfo = ai; 6446 list.add(ri); 6447 } 6448 return list; 6449 } 6450 6451 // reader 6452 synchronized (mPackages) { 6453 String pkgName = intent.getPackage(); 6454 if (pkgName == null) { 6455 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6456 } 6457 final PackageParser.Package pkg = mPackages.get(pkgName); 6458 if (pkg != null) { 6459 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6460 userId); 6461 } 6462 return Collections.emptyList(); 6463 } 6464 } 6465 6466 @Override 6467 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6468 if (!sUserManager.exists(userId)) return null; 6469 flags = updateFlagsForResolve(flags, userId, intent); 6470 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6471 if (query != null) { 6472 if (query.size() >= 1) { 6473 // If there is more than one service with the same priority, 6474 // just arbitrarily pick the first one. 6475 return query.get(0); 6476 } 6477 } 6478 return null; 6479 } 6480 6481 @Override 6482 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6483 String resolvedType, int flags, int userId) { 6484 return new ParceledListSlice<>( 6485 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6486 } 6487 6488 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6489 String resolvedType, int flags, int userId) { 6490 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6491 flags = updateFlagsForResolve(flags, userId, intent); 6492 ComponentName comp = intent.getComponent(); 6493 if (comp == null) { 6494 if (intent.getSelector() != null) { 6495 intent = intent.getSelector(); 6496 comp = intent.getComponent(); 6497 } 6498 } 6499 if (comp != null) { 6500 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6501 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6502 if (si != null) { 6503 final ResolveInfo ri = new ResolveInfo(); 6504 ri.serviceInfo = si; 6505 list.add(ri); 6506 } 6507 return list; 6508 } 6509 6510 // reader 6511 synchronized (mPackages) { 6512 String pkgName = intent.getPackage(); 6513 if (pkgName == null) { 6514 return mServices.queryIntent(intent, resolvedType, flags, userId); 6515 } 6516 final PackageParser.Package pkg = mPackages.get(pkgName); 6517 if (pkg != null) { 6518 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6519 userId); 6520 } 6521 return Collections.emptyList(); 6522 } 6523 } 6524 6525 @Override 6526 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6527 String resolvedType, int flags, int userId) { 6528 return new ParceledListSlice<>( 6529 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6530 } 6531 6532 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6533 Intent intent, String resolvedType, int flags, int userId) { 6534 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6535 flags = updateFlagsForResolve(flags, userId, intent); 6536 ComponentName comp = intent.getComponent(); 6537 if (comp == null) { 6538 if (intent.getSelector() != null) { 6539 intent = intent.getSelector(); 6540 comp = intent.getComponent(); 6541 } 6542 } 6543 if (comp != null) { 6544 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6545 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6546 if (pi != null) { 6547 final ResolveInfo ri = new ResolveInfo(); 6548 ri.providerInfo = pi; 6549 list.add(ri); 6550 } 6551 return list; 6552 } 6553 6554 // reader 6555 synchronized (mPackages) { 6556 String pkgName = intent.getPackage(); 6557 if (pkgName == null) { 6558 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6559 } 6560 final PackageParser.Package pkg = mPackages.get(pkgName); 6561 if (pkg != null) { 6562 return mProviders.queryIntentForPackage( 6563 intent, resolvedType, flags, pkg.providers, userId); 6564 } 6565 return Collections.emptyList(); 6566 } 6567 } 6568 6569 @Override 6570 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6571 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6572 flags = updateFlagsForPackage(flags, userId, null); 6573 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6574 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6575 true /* requireFullPermission */, false /* checkShell */, 6576 "get installed packages"); 6577 6578 // writer 6579 synchronized (mPackages) { 6580 ArrayList<PackageInfo> list; 6581 if (listUninstalled) { 6582 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6583 for (PackageSetting ps : mSettings.mPackages.values()) { 6584 final PackageInfo pi; 6585 if (ps.pkg != null) { 6586 pi = generatePackageInfo(ps, flags, userId); 6587 } else { 6588 pi = generatePackageInfo(ps, flags, userId); 6589 } 6590 if (pi != null) { 6591 list.add(pi); 6592 } 6593 } 6594 } else { 6595 list = new ArrayList<PackageInfo>(mPackages.size()); 6596 for (PackageParser.Package p : mPackages.values()) { 6597 final PackageInfo pi = 6598 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6599 if (pi != null) { 6600 list.add(pi); 6601 } 6602 } 6603 } 6604 6605 return new ParceledListSlice<PackageInfo>(list); 6606 } 6607 } 6608 6609 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6610 String[] permissions, boolean[] tmp, int flags, int userId) { 6611 int numMatch = 0; 6612 final PermissionsState permissionsState = ps.getPermissionsState(); 6613 for (int i=0; i<permissions.length; i++) { 6614 final String permission = permissions[i]; 6615 if (permissionsState.hasPermission(permission, userId)) { 6616 tmp[i] = true; 6617 numMatch++; 6618 } else { 6619 tmp[i] = false; 6620 } 6621 } 6622 if (numMatch == 0) { 6623 return; 6624 } 6625 final PackageInfo pi; 6626 if (ps.pkg != null) { 6627 pi = generatePackageInfo(ps, flags, userId); 6628 } else { 6629 pi = generatePackageInfo(ps, flags, userId); 6630 } 6631 // The above might return null in cases of uninstalled apps or install-state 6632 // skew across users/profiles. 6633 if (pi != null) { 6634 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6635 if (numMatch == permissions.length) { 6636 pi.requestedPermissions = permissions; 6637 } else { 6638 pi.requestedPermissions = new String[numMatch]; 6639 numMatch = 0; 6640 for (int i=0; i<permissions.length; i++) { 6641 if (tmp[i]) { 6642 pi.requestedPermissions[numMatch] = permissions[i]; 6643 numMatch++; 6644 } 6645 } 6646 } 6647 } 6648 list.add(pi); 6649 } 6650 } 6651 6652 @Override 6653 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6654 String[] permissions, int flags, int userId) { 6655 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6656 flags = updateFlagsForPackage(flags, userId, permissions); 6657 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6658 true /* requireFullPermission */, false /* checkShell */, 6659 "get packages holding permissions"); 6660 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6661 6662 // writer 6663 synchronized (mPackages) { 6664 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6665 boolean[] tmpBools = new boolean[permissions.length]; 6666 if (listUninstalled) { 6667 for (PackageSetting ps : mSettings.mPackages.values()) { 6668 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6669 userId); 6670 } 6671 } else { 6672 for (PackageParser.Package pkg : mPackages.values()) { 6673 PackageSetting ps = (PackageSetting)pkg.mExtras; 6674 if (ps != null) { 6675 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6676 userId); 6677 } 6678 } 6679 } 6680 6681 return new ParceledListSlice<PackageInfo>(list); 6682 } 6683 } 6684 6685 @Override 6686 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6687 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6688 flags = updateFlagsForApplication(flags, userId, null); 6689 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6690 6691 // writer 6692 synchronized (mPackages) { 6693 ArrayList<ApplicationInfo> list; 6694 if (listUninstalled) { 6695 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6696 for (PackageSetting ps : mSettings.mPackages.values()) { 6697 ApplicationInfo ai; 6698 int effectiveFlags = flags; 6699 if (ps.isSystem()) { 6700 effectiveFlags |= PackageManager.MATCH_ANY_USER; 6701 } 6702 if (ps.pkg != null) { 6703 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 6704 ps.readUserState(userId), userId); 6705 } else { 6706 ai = generateApplicationInfoFromSettingsLPw(ps.name, effectiveFlags, 6707 userId); 6708 } 6709 if (ai != null) { 6710 list.add(ai); 6711 } 6712 } 6713 } else { 6714 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6715 for (PackageParser.Package p : mPackages.values()) { 6716 if (p.mExtras != null) { 6717 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6718 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6719 if (ai != null) { 6720 list.add(ai); 6721 } 6722 } 6723 } 6724 } 6725 6726 return new ParceledListSlice<ApplicationInfo>(list); 6727 } 6728 } 6729 6730 @Override 6731 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6732 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6733 return null; 6734 } 6735 6736 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6737 "getEphemeralApplications"); 6738 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6739 true /* requireFullPermission */, false /* checkShell */, 6740 "getEphemeralApplications"); 6741 synchronized (mPackages) { 6742 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6743 .getEphemeralApplicationsLPw(userId); 6744 if (ephemeralApps != null) { 6745 return new ParceledListSlice<>(ephemeralApps); 6746 } 6747 } 6748 return null; 6749 } 6750 6751 @Override 6752 public boolean isEphemeralApplication(String packageName, int userId) { 6753 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6754 true /* requireFullPermission */, false /* checkShell */, 6755 "isEphemeral"); 6756 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6757 return false; 6758 } 6759 6760 if (!isCallerSameApp(packageName)) { 6761 return false; 6762 } 6763 synchronized (mPackages) { 6764 PackageParser.Package pkg = mPackages.get(packageName); 6765 if (pkg != null) { 6766 return pkg.applicationInfo.isEphemeralApp(); 6767 } 6768 } 6769 return false; 6770 } 6771 6772 @Override 6773 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6774 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6775 return null; 6776 } 6777 6778 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6779 true /* requireFullPermission */, false /* checkShell */, 6780 "getCookie"); 6781 if (!isCallerSameApp(packageName)) { 6782 return null; 6783 } 6784 synchronized (mPackages) { 6785 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6786 packageName, userId); 6787 } 6788 } 6789 6790 @Override 6791 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6792 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6793 return true; 6794 } 6795 6796 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6797 true /* requireFullPermission */, true /* checkShell */, 6798 "setCookie"); 6799 if (!isCallerSameApp(packageName)) { 6800 return false; 6801 } 6802 synchronized (mPackages) { 6803 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6804 packageName, cookie, userId); 6805 } 6806 } 6807 6808 @Override 6809 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6810 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 6811 return null; 6812 } 6813 6814 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6815 "getEphemeralApplicationIcon"); 6816 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6817 true /* requireFullPermission */, false /* checkShell */, 6818 "getEphemeralApplicationIcon"); 6819 synchronized (mPackages) { 6820 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6821 packageName, userId); 6822 } 6823 } 6824 6825 private boolean isCallerSameApp(String packageName) { 6826 PackageParser.Package pkg = mPackages.get(packageName); 6827 return pkg != null 6828 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6829 } 6830 6831 @Override 6832 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6833 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6834 } 6835 6836 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6837 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6838 6839 // reader 6840 synchronized (mPackages) { 6841 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6842 final int userId = UserHandle.getCallingUserId(); 6843 while (i.hasNext()) { 6844 final PackageParser.Package p = i.next(); 6845 if (p.applicationInfo == null) continue; 6846 6847 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6848 && !p.applicationInfo.isDirectBootAware(); 6849 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6850 && p.applicationInfo.isDirectBootAware(); 6851 6852 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6853 && (!mSafeMode || isSystemApp(p)) 6854 && (matchesUnaware || matchesAware)) { 6855 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6856 if (ps != null) { 6857 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6858 ps.readUserState(userId), userId); 6859 if (ai != null) { 6860 finalList.add(ai); 6861 } 6862 } 6863 } 6864 } 6865 } 6866 6867 return finalList; 6868 } 6869 6870 @Override 6871 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6872 if (!sUserManager.exists(userId)) return null; 6873 flags = updateFlagsForComponent(flags, userId, name); 6874 // reader 6875 synchronized (mPackages) { 6876 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6877 PackageSetting ps = provider != null 6878 ? mSettings.mPackages.get(provider.owner.packageName) 6879 : null; 6880 return ps != null 6881 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6882 ? PackageParser.generateProviderInfo(provider, flags, 6883 ps.readUserState(userId), userId) 6884 : null; 6885 } 6886 } 6887 6888 /** 6889 * @deprecated 6890 */ 6891 @Deprecated 6892 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6893 // reader 6894 synchronized (mPackages) { 6895 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6896 .entrySet().iterator(); 6897 final int userId = UserHandle.getCallingUserId(); 6898 while (i.hasNext()) { 6899 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6900 PackageParser.Provider p = entry.getValue(); 6901 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6902 6903 if (ps != null && p.syncable 6904 && (!mSafeMode || (p.info.applicationInfo.flags 6905 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6906 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6907 ps.readUserState(userId), userId); 6908 if (info != null) { 6909 outNames.add(entry.getKey()); 6910 outInfo.add(info); 6911 } 6912 } 6913 } 6914 } 6915 } 6916 6917 @Override 6918 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6919 int uid, int flags) { 6920 final int userId = processName != null ? UserHandle.getUserId(uid) 6921 : UserHandle.getCallingUserId(); 6922 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6923 flags = updateFlagsForComponent(flags, userId, processName); 6924 6925 ArrayList<ProviderInfo> finalList = null; 6926 // reader 6927 synchronized (mPackages) { 6928 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6929 while (i.hasNext()) { 6930 final PackageParser.Provider p = i.next(); 6931 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6932 if (ps != null && p.info.authority != null 6933 && (processName == null 6934 || (p.info.processName.equals(processName) 6935 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6936 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6937 if (finalList == null) { 6938 finalList = new ArrayList<ProviderInfo>(3); 6939 } 6940 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6941 ps.readUserState(userId), userId); 6942 if (info != null) { 6943 finalList.add(info); 6944 } 6945 } 6946 } 6947 } 6948 6949 if (finalList != null) { 6950 Collections.sort(finalList, mProviderInitOrderSorter); 6951 return new ParceledListSlice<ProviderInfo>(finalList); 6952 } 6953 6954 return ParceledListSlice.emptyList(); 6955 } 6956 6957 @Override 6958 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6959 // reader 6960 synchronized (mPackages) { 6961 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6962 return PackageParser.generateInstrumentationInfo(i, flags); 6963 } 6964 } 6965 6966 @Override 6967 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6968 String targetPackage, int flags) { 6969 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6970 } 6971 6972 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6973 int flags) { 6974 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6975 6976 // reader 6977 synchronized (mPackages) { 6978 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6979 while (i.hasNext()) { 6980 final PackageParser.Instrumentation p = i.next(); 6981 if (targetPackage == null 6982 || targetPackage.equals(p.info.targetPackage)) { 6983 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6984 flags); 6985 if (ii != null) { 6986 finalList.add(ii); 6987 } 6988 } 6989 } 6990 } 6991 6992 return finalList; 6993 } 6994 6995 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6996 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6997 if (overlays == null) { 6998 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6999 return; 7000 } 7001 for (PackageParser.Package opkg : overlays.values()) { 7002 // Not much to do if idmap fails: we already logged the error 7003 // and we certainly don't want to abort installation of pkg simply 7004 // because an overlay didn't fit properly. For these reasons, 7005 // ignore the return value of createIdmapForPackagePairLI. 7006 createIdmapForPackagePairLI(pkg, opkg); 7007 } 7008 } 7009 7010 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 7011 PackageParser.Package opkg) { 7012 if (!opkg.mTrustedOverlay) { 7013 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 7014 opkg.baseCodePath + ": overlay not trusted"); 7015 return false; 7016 } 7017 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 7018 if (overlaySet == null) { 7019 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 7020 opkg.baseCodePath + " but target package has no known overlays"); 7021 return false; 7022 } 7023 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7024 // TODO: generate idmap for split APKs 7025 try { 7026 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 7027 } catch (InstallerException e) { 7028 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 7029 + opkg.baseCodePath); 7030 return false; 7031 } 7032 PackageParser.Package[] overlayArray = 7033 overlaySet.values().toArray(new PackageParser.Package[0]); 7034 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 7035 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 7036 return p1.mOverlayPriority - p2.mOverlayPriority; 7037 } 7038 }; 7039 Arrays.sort(overlayArray, cmp); 7040 7041 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 7042 int i = 0; 7043 for (PackageParser.Package p : overlayArray) { 7044 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 7045 } 7046 return true; 7047 } 7048 7049 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7050 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7051 try { 7052 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7053 } finally { 7054 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7055 } 7056 } 7057 7058 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7059 final File[] files = dir.listFiles(); 7060 if (ArrayUtils.isEmpty(files)) { 7061 Log.d(TAG, "No files in app dir " + dir); 7062 return; 7063 } 7064 7065 if (DEBUG_PACKAGE_SCANNING) { 7066 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7067 + " flags=0x" + Integer.toHexString(parseFlags)); 7068 } 7069 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7070 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7071 7072 // Submit files for parsing in parallel 7073 int fileCount = 0; 7074 for (File file : files) { 7075 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7076 && !PackageInstallerService.isStageName(file.getName()); 7077 if (!isPackage) { 7078 // Ignore entries which are not packages 7079 continue; 7080 } 7081 parallelPackageParser.submit(file, parseFlags); 7082 fileCount++; 7083 } 7084 7085 // Process results one by one 7086 for (; fileCount > 0; fileCount--) { 7087 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7088 Throwable throwable = parseResult.throwable; 7089 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7090 7091 if (throwable == null) { 7092 try { 7093 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7094 currentTime, null); 7095 } catch (PackageManagerException e) { 7096 errorCode = e.error; 7097 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7098 } 7099 } else if (throwable instanceof PackageParser.PackageParserException) { 7100 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7101 throwable; 7102 errorCode = e.error; 7103 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7104 } else { 7105 throw new IllegalStateException("Unexpected exception occurred while parsing " 7106 + parseResult.scanFile, throwable); 7107 } 7108 7109 // Delete invalid userdata apps 7110 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7111 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7112 logCriticalInfo(Log.WARN, 7113 "Deleting invalid package at " + parseResult.scanFile); 7114 removeCodePathLI(parseResult.scanFile); 7115 } 7116 } 7117 parallelPackageParser.close(); 7118 } 7119 7120 private static File getSettingsProblemFile() { 7121 File dataDir = Environment.getDataDirectory(); 7122 File systemDir = new File(dataDir, "system"); 7123 File fname = new File(systemDir, "uiderrors.txt"); 7124 return fname; 7125 } 7126 7127 static void reportSettingsProblem(int priority, String msg) { 7128 logCriticalInfo(priority, msg); 7129 } 7130 7131 static void logCriticalInfo(int priority, String msg) { 7132 Slog.println(priority, TAG, msg); 7133 EventLogTags.writePmCriticalInfo(msg); 7134 try { 7135 File fname = getSettingsProblemFile(); 7136 FileOutputStream out = new FileOutputStream(fname, true); 7137 PrintWriter pw = new FastPrintWriter(out); 7138 SimpleDateFormat formatter = new SimpleDateFormat(); 7139 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7140 pw.println(dateString + ": " + msg); 7141 pw.close(); 7142 FileUtils.setPermissions( 7143 fname.toString(), 7144 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7145 -1, -1); 7146 } catch (java.io.IOException e) { 7147 } 7148 } 7149 7150 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7151 if (srcFile.isDirectory()) { 7152 final File baseFile = new File(pkg.baseCodePath); 7153 long maxModifiedTime = baseFile.lastModified(); 7154 if (pkg.splitCodePaths != null) { 7155 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7156 final File splitFile = new File(pkg.splitCodePaths[i]); 7157 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7158 } 7159 } 7160 return maxModifiedTime; 7161 } 7162 return srcFile.lastModified(); 7163 } 7164 7165 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7166 final int policyFlags) throws PackageManagerException { 7167 // When upgrading from pre-N MR1, verify the package time stamp using the package 7168 // directory and not the APK file. 7169 final long lastModifiedTime = mIsPreNMR1Upgrade 7170 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7171 if (ps != null 7172 && ps.codePath.equals(srcFile) 7173 && ps.timeStamp == lastModifiedTime 7174 && !isCompatSignatureUpdateNeeded(pkg) 7175 && !isRecoverSignatureUpdateNeeded(pkg)) { 7176 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7177 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7178 ArraySet<PublicKey> signingKs; 7179 synchronized (mPackages) { 7180 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7181 } 7182 if (ps.signatures.mSignatures != null 7183 && ps.signatures.mSignatures.length != 0 7184 && signingKs != null) { 7185 // Optimization: reuse the existing cached certificates 7186 // if the package appears to be unchanged. 7187 pkg.mSignatures = ps.signatures.mSignatures; 7188 pkg.mSigningKeys = signingKs; 7189 return; 7190 } 7191 7192 Slog.w(TAG, "PackageSetting for " + ps.name 7193 + " is missing signatures. Collecting certs again to recover them."); 7194 } else { 7195 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7196 } 7197 7198 try { 7199 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7200 PackageParser.collectCertificates(pkg, policyFlags); 7201 } catch (PackageParserException e) { 7202 throw PackageManagerException.from(e); 7203 } finally { 7204 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7205 } 7206 } 7207 7208 /** 7209 * Traces a package scan. 7210 * @see #scanPackageLI(File, int, int, long, UserHandle) 7211 */ 7212 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7213 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7214 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7215 try { 7216 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7217 } finally { 7218 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7219 } 7220 } 7221 7222 /** 7223 * Scans a package and returns the newly parsed package. 7224 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7225 */ 7226 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7227 long currentTime, UserHandle user) throws PackageManagerException { 7228 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7229 PackageParser pp = new PackageParser(); 7230 pp.setSeparateProcesses(mSeparateProcesses); 7231 pp.setOnlyCoreApps(mOnlyCore); 7232 pp.setDisplayMetrics(mMetrics); 7233 7234 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7235 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7236 } 7237 7238 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7239 final PackageParser.Package pkg; 7240 try { 7241 pkg = pp.parsePackage(scanFile, parseFlags); 7242 } catch (PackageParserException e) { 7243 throw PackageManagerException.from(e); 7244 } finally { 7245 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7246 } 7247 7248 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7249 } 7250 7251 /** 7252 * Scans a package and returns the newly parsed package. 7253 * @throws PackageManagerException on a parse error. 7254 */ 7255 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7256 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7257 throws PackageManagerException { 7258 // If the package has children and this is the first dive in the function 7259 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7260 // packages (parent and children) would be successfully scanned before the 7261 // actual scan since scanning mutates internal state and we want to atomically 7262 // install the package and its children. 7263 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7264 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7265 scanFlags |= SCAN_CHECK_ONLY; 7266 } 7267 } else { 7268 scanFlags &= ~SCAN_CHECK_ONLY; 7269 } 7270 7271 // Scan the parent 7272 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7273 scanFlags, currentTime, user); 7274 7275 // Scan the children 7276 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7277 for (int i = 0; i < childCount; i++) { 7278 PackageParser.Package childPackage = pkg.childPackages.get(i); 7279 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7280 currentTime, user); 7281 } 7282 7283 7284 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7285 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7286 } 7287 7288 return scannedPkg; 7289 } 7290 7291 /** 7292 * Scans a package and returns the newly parsed package. 7293 * @throws PackageManagerException on a parse error. 7294 */ 7295 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7296 int policyFlags, int scanFlags, long currentTime, UserHandle user) 7297 throws PackageManagerException { 7298 PackageSetting ps = null; 7299 PackageSetting updatedPkg; 7300 // reader 7301 synchronized (mPackages) { 7302 // Look to see if we already know about this package. 7303 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7304 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7305 // This package has been renamed to its original name. Let's 7306 // use that. 7307 ps = mSettings.getPackageLPr(oldName); 7308 } 7309 // If there was no original package, see one for the real package name. 7310 if (ps == null) { 7311 ps = mSettings.getPackageLPr(pkg.packageName); 7312 } 7313 // Check to see if this package could be hiding/updating a system 7314 // package. Must look for it either under the original or real 7315 // package name depending on our state. 7316 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7317 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7318 7319 // If this is a package we don't know about on the system partition, we 7320 // may need to remove disabled child packages on the system partition 7321 // or may need to not add child packages if the parent apk is updated 7322 // on the data partition and no longer defines this child package. 7323 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7324 // If this is a parent package for an updated system app and this system 7325 // app got an OTA update which no longer defines some of the child packages 7326 // we have to prune them from the disabled system packages. 7327 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7328 if (disabledPs != null) { 7329 final int scannedChildCount = (pkg.childPackages != null) 7330 ? pkg.childPackages.size() : 0; 7331 final int disabledChildCount = disabledPs.childPackageNames != null 7332 ? disabledPs.childPackageNames.size() : 0; 7333 for (int i = 0; i < disabledChildCount; i++) { 7334 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7335 boolean disabledPackageAvailable = false; 7336 for (int j = 0; j < scannedChildCount; j++) { 7337 PackageParser.Package childPkg = pkg.childPackages.get(j); 7338 if (childPkg.packageName.equals(disabledChildPackageName)) { 7339 disabledPackageAvailable = true; 7340 break; 7341 } 7342 } 7343 if (!disabledPackageAvailable) { 7344 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7345 } 7346 } 7347 } 7348 } 7349 } 7350 7351 boolean updatedPkgBetter = false; 7352 // First check if this is a system package that may involve an update 7353 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7354 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7355 // it needs to drop FLAG_PRIVILEGED. 7356 if (locationIsPrivileged(scanFile)) { 7357 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7358 } else { 7359 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7360 } 7361 7362 if (ps != null && !ps.codePath.equals(scanFile)) { 7363 // The path has changed from what was last scanned... check the 7364 // version of the new path against what we have stored to determine 7365 // what to do. 7366 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7367 if (pkg.mVersionCode <= ps.versionCode) { 7368 // The system package has been updated and the code path does not match 7369 // Ignore entry. Skip it. 7370 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7371 + " ignored: updated version " + ps.versionCode 7372 + " better than this " + pkg.mVersionCode); 7373 if (!updatedPkg.codePath.equals(scanFile)) { 7374 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7375 + ps.name + " changing from " + updatedPkg.codePathString 7376 + " to " + scanFile); 7377 updatedPkg.codePath = scanFile; 7378 updatedPkg.codePathString = scanFile.toString(); 7379 updatedPkg.resourcePath = scanFile; 7380 updatedPkg.resourcePathString = scanFile.toString(); 7381 } 7382 updatedPkg.pkg = pkg; 7383 updatedPkg.versionCode = pkg.mVersionCode; 7384 7385 // Update the disabled system child packages to point to the package too. 7386 final int childCount = updatedPkg.childPackageNames != null 7387 ? updatedPkg.childPackageNames.size() : 0; 7388 for (int i = 0; i < childCount; i++) { 7389 String childPackageName = updatedPkg.childPackageNames.get(i); 7390 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7391 childPackageName); 7392 if (updatedChildPkg != null) { 7393 updatedChildPkg.pkg = pkg; 7394 updatedChildPkg.versionCode = pkg.mVersionCode; 7395 } 7396 } 7397 7398 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7399 + scanFile + " ignored: updated version " + ps.versionCode 7400 + " better than this " + pkg.mVersionCode); 7401 } else { 7402 // The current app on the system partition is better than 7403 // what we have updated to on the data partition; switch 7404 // back to the system partition version. 7405 // At this point, its safely assumed that package installation for 7406 // apps in system partition will go through. If not there won't be a working 7407 // version of the app 7408 // writer 7409 synchronized (mPackages) { 7410 // Just remove the loaded entries from package lists. 7411 mPackages.remove(ps.name); 7412 } 7413 7414 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7415 + " reverting from " + ps.codePathString 7416 + ": new version " + pkg.mVersionCode 7417 + " better than installed " + ps.versionCode); 7418 7419 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7420 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7421 synchronized (mInstallLock) { 7422 args.cleanUpResourcesLI(); 7423 } 7424 synchronized (mPackages) { 7425 mSettings.enableSystemPackageLPw(ps.name); 7426 } 7427 updatedPkgBetter = true; 7428 } 7429 } 7430 } 7431 7432 if (updatedPkg != null) { 7433 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7434 // initially 7435 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7436 7437 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7438 // flag set initially 7439 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7440 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7441 } 7442 } 7443 7444 // Verify certificates against what was last scanned 7445 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7446 7447 /* 7448 * A new system app appeared, but we already had a non-system one of the 7449 * same name installed earlier. 7450 */ 7451 boolean shouldHideSystemApp = false; 7452 if (updatedPkg == null && ps != null 7453 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7454 /* 7455 * Check to make sure the signatures match first. If they don't, 7456 * wipe the installed application and its data. 7457 */ 7458 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7459 != PackageManager.SIGNATURE_MATCH) { 7460 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7461 + " signatures don't match existing userdata copy; removing"); 7462 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7463 "scanPackageInternalLI")) { 7464 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7465 } 7466 ps = null; 7467 } else { 7468 /* 7469 * If the newly-added system app is an older version than the 7470 * already installed version, hide it. It will be scanned later 7471 * and re-added like an update. 7472 */ 7473 if (pkg.mVersionCode <= ps.versionCode) { 7474 shouldHideSystemApp = true; 7475 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7476 + " but new version " + pkg.mVersionCode + " better than installed " 7477 + ps.versionCode + "; hiding system"); 7478 } else { 7479 /* 7480 * The newly found system app is a newer version that the 7481 * one previously installed. Simply remove the 7482 * already-installed application and replace it with our own 7483 * while keeping the application data. 7484 */ 7485 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7486 + " reverting from " + ps.codePathString + ": new version " 7487 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7488 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7489 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7490 synchronized (mInstallLock) { 7491 args.cleanUpResourcesLI(); 7492 } 7493 } 7494 } 7495 } 7496 7497 // The apk is forward locked (not public) if its code and resources 7498 // are kept in different files. (except for app in either system or 7499 // vendor path). 7500 // TODO grab this value from PackageSettings 7501 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7502 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7503 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7504 } 7505 } 7506 7507 // TODO: extend to support forward-locked splits 7508 String resourcePath = null; 7509 String baseResourcePath = null; 7510 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7511 if (ps != null && ps.resourcePathString != null) { 7512 resourcePath = ps.resourcePathString; 7513 baseResourcePath = ps.resourcePathString; 7514 } else { 7515 // Should not happen at all. Just log an error. 7516 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7517 } 7518 } else { 7519 resourcePath = pkg.codePath; 7520 baseResourcePath = pkg.baseCodePath; 7521 } 7522 7523 // Set application objects path explicitly. 7524 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7525 pkg.setApplicationInfoCodePath(pkg.codePath); 7526 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7527 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7528 pkg.setApplicationInfoResourcePath(resourcePath); 7529 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7530 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7531 7532 // Note that we invoke the following method only if we are about to unpack an application 7533 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7534 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7535 7536 /* 7537 * If the system app should be overridden by a previously installed 7538 * data, hide the system app now and let the /data/app scan pick it up 7539 * again. 7540 */ 7541 if (shouldHideSystemApp) { 7542 synchronized (mPackages) { 7543 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7544 } 7545 } 7546 7547 return scannedPkg; 7548 } 7549 7550 private static String fixProcessName(String defProcessName, 7551 String processName) { 7552 if (processName == null) { 7553 return defProcessName; 7554 } 7555 return processName; 7556 } 7557 7558 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7559 throws PackageManagerException { 7560 if (pkgSetting.signatures.mSignatures != null) { 7561 // Already existing package. Make sure signatures match 7562 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7563 == PackageManager.SIGNATURE_MATCH; 7564 if (!match) { 7565 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7566 == PackageManager.SIGNATURE_MATCH; 7567 } 7568 if (!match) { 7569 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7570 == PackageManager.SIGNATURE_MATCH; 7571 } 7572 if (!match) { 7573 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7574 + pkg.packageName + " signatures do not match the " 7575 + "previously installed version; ignoring!"); 7576 } 7577 } 7578 7579 // Check for shared user signatures 7580 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7581 // Already existing package. Make sure signatures match 7582 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7583 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7584 if (!match) { 7585 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7586 == PackageManager.SIGNATURE_MATCH; 7587 } 7588 if (!match) { 7589 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7590 == PackageManager.SIGNATURE_MATCH; 7591 } 7592 if (!match) { 7593 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7594 "Package " + pkg.packageName 7595 + " has no signatures that match those in shared user " 7596 + pkgSetting.sharedUser.name + "; ignoring!"); 7597 } 7598 } 7599 } 7600 7601 /** 7602 * Enforces that only the system UID or root's UID can call a method exposed 7603 * via Binder. 7604 * 7605 * @param message used as message if SecurityException is thrown 7606 * @throws SecurityException if the caller is not system or root 7607 */ 7608 private static final void enforceSystemOrRoot(String message) { 7609 final int uid = Binder.getCallingUid(); 7610 if (uid != Process.SYSTEM_UID && uid != 0) { 7611 throw new SecurityException(message); 7612 } 7613 } 7614 7615 @Override 7616 public void performFstrimIfNeeded() { 7617 enforceSystemOrRoot("Only the system can request fstrim"); 7618 7619 // Before everything else, see whether we need to fstrim. 7620 try { 7621 IStorageManager sm = PackageHelper.getStorageManager(); 7622 if (sm != null) { 7623 boolean doTrim = false; 7624 final long interval = android.provider.Settings.Global.getLong( 7625 mContext.getContentResolver(), 7626 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7627 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7628 if (interval > 0) { 7629 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 7630 if (timeSinceLast > interval) { 7631 doTrim = true; 7632 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7633 + "; running immediately"); 7634 } 7635 } 7636 if (doTrim) { 7637 final boolean dexOptDialogShown; 7638 synchronized (mPackages) { 7639 dexOptDialogShown = mDexOptDialogShown; 7640 } 7641 if (!isFirstBoot() && dexOptDialogShown) { 7642 try { 7643 ActivityManager.getService().showBootMessage( 7644 mContext.getResources().getString( 7645 R.string.android_upgrading_fstrim), true); 7646 } catch (RemoteException e) { 7647 } 7648 } 7649 sm.runMaintenance(); 7650 } 7651 } else { 7652 Slog.e(TAG, "storageManager service unavailable!"); 7653 } 7654 } catch (RemoteException e) { 7655 // Can't happen; StorageManagerService is local 7656 } 7657 } 7658 7659 @Override 7660 public void updatePackagesIfNeeded() { 7661 enforceSystemOrRoot("Only the system can request package update"); 7662 7663 // We need to re-extract after an OTA. 7664 boolean causeUpgrade = isUpgrade(); 7665 7666 // First boot or factory reset. 7667 // Note: we also handle devices that are upgrading to N right now as if it is their 7668 // first boot, as they do not have profile data. 7669 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7670 7671 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7672 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7673 7674 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7675 return; 7676 } 7677 7678 List<PackageParser.Package> pkgs; 7679 synchronized (mPackages) { 7680 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7681 } 7682 7683 final long startTime = System.nanoTime(); 7684 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 7685 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7686 7687 final int elapsedTimeSeconds = 7688 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7689 7690 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7691 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7692 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7693 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7694 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7695 } 7696 7697 /** 7698 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7699 * containing statistics about the invocation. The array consists of three elements, 7700 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7701 * and {@code numberOfPackagesFailed}. 7702 */ 7703 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 7704 String compilerFilter) { 7705 7706 int numberOfPackagesVisited = 0; 7707 int numberOfPackagesOptimized = 0; 7708 int numberOfPackagesSkipped = 0; 7709 int numberOfPackagesFailed = 0; 7710 final int numberOfPackagesToDexopt = pkgs.size(); 7711 7712 for (PackageParser.Package pkg : pkgs) { 7713 numberOfPackagesVisited++; 7714 7715 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7716 if (DEBUG_DEXOPT) { 7717 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7718 } 7719 numberOfPackagesSkipped++; 7720 continue; 7721 } 7722 7723 if (DEBUG_DEXOPT) { 7724 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7725 numberOfPackagesToDexopt + ": " + pkg.packageName); 7726 } 7727 7728 if (showDialog) { 7729 try { 7730 ActivityManager.getService().showBootMessage( 7731 mContext.getResources().getString(R.string.android_upgrading_apk, 7732 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7733 } catch (RemoteException e) { 7734 } 7735 synchronized (mPackages) { 7736 mDexOptDialogShown = true; 7737 } 7738 } 7739 7740 // If the OTA updates a system app which was previously preopted to a non-preopted state 7741 // the app might end up being verified at runtime. That's because by default the apps 7742 // are verify-profile but for preopted apps there's no profile. 7743 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 7744 // that before the OTA the app was preopted) the app gets compiled with a non-profile 7745 // filter (by default interpret-only). 7746 // Note that at this stage unused apps are already filtered. 7747 if (isSystemApp(pkg) && 7748 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 7749 !Environment.getReferenceProfile(pkg.packageName).exists()) { 7750 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 7751 } 7752 7753 // checkProfiles is false to avoid merging profiles during boot which 7754 // might interfere with background compilation (b/28612421). 7755 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7756 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7757 // trade-off worth doing to save boot time work. 7758 int dexOptStatus = performDexOptTraced(pkg.packageName, 7759 false /* checkProfiles */, 7760 compilerFilter, 7761 false /* force */); 7762 switch (dexOptStatus) { 7763 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7764 numberOfPackagesOptimized++; 7765 break; 7766 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7767 numberOfPackagesSkipped++; 7768 break; 7769 case PackageDexOptimizer.DEX_OPT_FAILED: 7770 numberOfPackagesFailed++; 7771 break; 7772 default: 7773 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7774 break; 7775 } 7776 } 7777 7778 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7779 numberOfPackagesFailed }; 7780 } 7781 7782 @Override 7783 public void notifyPackageUse(String packageName, int reason) { 7784 synchronized (mPackages) { 7785 PackageParser.Package p = mPackages.get(packageName); 7786 if (p == null) { 7787 return; 7788 } 7789 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7790 } 7791 } 7792 7793 @Override 7794 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 7795 int userId = UserHandle.getCallingUserId(); 7796 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 7797 if (ai == null) { 7798 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 7799 + loadingPackageName + ", user=" + userId); 7800 return; 7801 } 7802 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 7803 } 7804 7805 // TODO: this is not used nor needed. Delete it. 7806 @Override 7807 public boolean performDexOptIfNeeded(String packageName) { 7808 int dexOptStatus = performDexOptTraced(packageName, 7809 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7810 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7811 } 7812 7813 @Override 7814 public boolean performDexOpt(String packageName, 7815 boolean checkProfiles, int compileReason, boolean force) { 7816 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7817 getCompilerFilterForReason(compileReason), force); 7818 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7819 } 7820 7821 @Override 7822 public boolean performDexOptMode(String packageName, 7823 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7824 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7825 targetCompilerFilter, force); 7826 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7827 } 7828 7829 private int performDexOptTraced(String packageName, 7830 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7831 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7832 try { 7833 return performDexOptInternal(packageName, checkProfiles, 7834 targetCompilerFilter, force); 7835 } finally { 7836 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7837 } 7838 } 7839 7840 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7841 // if the package can now be considered up to date for the given filter. 7842 private int performDexOptInternal(String packageName, 7843 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7844 PackageParser.Package p; 7845 synchronized (mPackages) { 7846 p = mPackages.get(packageName); 7847 if (p == null) { 7848 // Package could not be found. Report failure. 7849 return PackageDexOptimizer.DEX_OPT_FAILED; 7850 } 7851 mPackageUsage.maybeWriteAsync(mPackages); 7852 mCompilerStats.maybeWriteAsync(); 7853 } 7854 long callingId = Binder.clearCallingIdentity(); 7855 try { 7856 synchronized (mInstallLock) { 7857 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7858 targetCompilerFilter, force); 7859 } 7860 } finally { 7861 Binder.restoreCallingIdentity(callingId); 7862 } 7863 } 7864 7865 public ArraySet<String> getOptimizablePackages() { 7866 ArraySet<String> pkgs = new ArraySet<String>(); 7867 synchronized (mPackages) { 7868 for (PackageParser.Package p : mPackages.values()) { 7869 if (PackageDexOptimizer.canOptimizePackage(p)) { 7870 pkgs.add(p.packageName); 7871 } 7872 } 7873 } 7874 return pkgs; 7875 } 7876 7877 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7878 boolean checkProfiles, String targetCompilerFilter, 7879 boolean force) { 7880 // Select the dex optimizer based on the force parameter. 7881 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7882 // allocate an object here. 7883 PackageDexOptimizer pdo = force 7884 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7885 : mPackageDexOptimizer; 7886 7887 // Optimize all dependencies first. Note: we ignore the return value and march on 7888 // on errors. 7889 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7890 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7891 if (!deps.isEmpty()) { 7892 for (PackageParser.Package depPackage : deps) { 7893 // TODO: Analyze and investigate if we (should) profile libraries. 7894 // Currently this will do a full compilation of the library by default. 7895 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7896 false /* checkProfiles */, 7897 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 7898 getOrCreateCompilerPackageStats(depPackage)); 7899 } 7900 } 7901 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7902 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 7903 } 7904 7905 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7906 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7907 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7908 Set<String> collectedNames = new HashSet<>(); 7909 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7910 7911 retValue.remove(p); 7912 7913 return retValue; 7914 } else { 7915 return Collections.emptyList(); 7916 } 7917 } 7918 7919 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7920 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7921 if (!collectedNames.contains(p.packageName)) { 7922 collectedNames.add(p.packageName); 7923 collected.add(p); 7924 7925 if (p.usesLibraries != null) { 7926 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7927 } 7928 if (p.usesOptionalLibraries != null) { 7929 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7930 collectedNames); 7931 } 7932 } 7933 } 7934 7935 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7936 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7937 for (String libName : libs) { 7938 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7939 if (libPkg != null) { 7940 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7941 } 7942 } 7943 } 7944 7945 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7946 synchronized (mPackages) { 7947 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7948 if (lib != null && lib.apk != null) { 7949 return mPackages.get(lib.apk); 7950 } 7951 } 7952 return null; 7953 } 7954 7955 public void shutdown() { 7956 mPackageUsage.writeNow(mPackages); 7957 mCompilerStats.writeNow(); 7958 } 7959 7960 @Override 7961 public void dumpProfiles(String packageName) { 7962 PackageParser.Package pkg; 7963 synchronized (mPackages) { 7964 pkg = mPackages.get(packageName); 7965 if (pkg == null) { 7966 throw new IllegalArgumentException("Unknown package: " + packageName); 7967 } 7968 } 7969 /* Only the shell, root, or the app user should be able to dump profiles. */ 7970 int callingUid = Binder.getCallingUid(); 7971 if (callingUid != Process.SHELL_UID && 7972 callingUid != Process.ROOT_UID && 7973 callingUid != pkg.applicationInfo.uid) { 7974 throw new SecurityException("dumpProfiles"); 7975 } 7976 7977 synchronized (mInstallLock) { 7978 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7979 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7980 try { 7981 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7982 String codePaths = TextUtils.join(";", allCodePaths); 7983 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 7984 } catch (InstallerException e) { 7985 Slog.w(TAG, "Failed to dump profiles", e); 7986 } 7987 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7988 } 7989 } 7990 7991 @Override 7992 public void forceDexOpt(String packageName) { 7993 enforceSystemOrRoot("forceDexOpt"); 7994 7995 PackageParser.Package pkg; 7996 synchronized (mPackages) { 7997 pkg = mPackages.get(packageName); 7998 if (pkg == null) { 7999 throw new IllegalArgumentException("Unknown package: " + packageName); 8000 } 8001 } 8002 8003 synchronized (mInstallLock) { 8004 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8005 8006 // Whoever is calling forceDexOpt wants a fully compiled package. 8007 // Don't use profiles since that may cause compilation to be skipped. 8008 final int res = performDexOptInternalWithDependenciesLI(pkg, 8009 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8010 true /* force */); 8011 8012 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8013 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8014 throw new IllegalStateException("Failed to dexopt: " + res); 8015 } 8016 } 8017 } 8018 8019 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8020 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8021 Slog.w(TAG, "Unable to update from " + oldPkg.name 8022 + " to " + newPkg.packageName 8023 + ": old package not in system partition"); 8024 return false; 8025 } else if (mPackages.get(oldPkg.name) != null) { 8026 Slog.w(TAG, "Unable to update from " + oldPkg.name 8027 + " to " + newPkg.packageName 8028 + ": old package still exists"); 8029 return false; 8030 } 8031 return true; 8032 } 8033 8034 void removeCodePathLI(File codePath) { 8035 if (codePath.isDirectory()) { 8036 try { 8037 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8038 } catch (InstallerException e) { 8039 Slog.w(TAG, "Failed to remove code path", e); 8040 } 8041 } else { 8042 codePath.delete(); 8043 } 8044 } 8045 8046 private int[] resolveUserIds(int userId) { 8047 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8048 } 8049 8050 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8051 if (pkg == null) { 8052 Slog.wtf(TAG, "Package was null!", new Throwable()); 8053 return; 8054 } 8055 clearAppDataLeafLIF(pkg, userId, flags); 8056 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8057 for (int i = 0; i < childCount; i++) { 8058 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8059 } 8060 } 8061 8062 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8063 final PackageSetting ps; 8064 synchronized (mPackages) { 8065 ps = mSettings.mPackages.get(pkg.packageName); 8066 } 8067 for (int realUserId : resolveUserIds(userId)) { 8068 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8069 try { 8070 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8071 ceDataInode); 8072 } catch (InstallerException e) { 8073 Slog.w(TAG, String.valueOf(e)); 8074 } 8075 } 8076 } 8077 8078 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8079 if (pkg == null) { 8080 Slog.wtf(TAG, "Package was null!", new Throwable()); 8081 return; 8082 } 8083 destroyAppDataLeafLIF(pkg, userId, flags); 8084 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8085 for (int i = 0; i < childCount; i++) { 8086 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8087 } 8088 } 8089 8090 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8091 final PackageSetting ps; 8092 synchronized (mPackages) { 8093 ps = mSettings.mPackages.get(pkg.packageName); 8094 } 8095 for (int realUserId : resolveUserIds(userId)) { 8096 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8097 try { 8098 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8099 ceDataInode); 8100 } catch (InstallerException e) { 8101 Slog.w(TAG, String.valueOf(e)); 8102 } 8103 } 8104 } 8105 8106 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8107 if (pkg == null) { 8108 Slog.wtf(TAG, "Package was null!", new Throwable()); 8109 return; 8110 } 8111 destroyAppProfilesLeafLIF(pkg); 8112 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8113 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8114 for (int i = 0; i < childCount; i++) { 8115 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8116 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8117 true /* removeBaseMarker */); 8118 } 8119 } 8120 8121 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8122 boolean removeBaseMarker) { 8123 if (pkg.isForwardLocked()) { 8124 return; 8125 } 8126 8127 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8128 try { 8129 path = PackageManagerServiceUtils.realpath(new File(path)); 8130 } catch (IOException e) { 8131 // TODO: Should we return early here ? 8132 Slog.w(TAG, "Failed to get canonical path", e); 8133 continue; 8134 } 8135 8136 final String useMarker = path.replace('/', '@'); 8137 for (int realUserId : resolveUserIds(userId)) { 8138 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8139 if (removeBaseMarker) { 8140 File foreignUseMark = new File(profileDir, useMarker); 8141 if (foreignUseMark.exists()) { 8142 if (!foreignUseMark.delete()) { 8143 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8144 + pkg.packageName); 8145 } 8146 } 8147 } 8148 8149 File[] markers = profileDir.listFiles(); 8150 if (markers != null) { 8151 final String searchString = "@" + pkg.packageName + "@"; 8152 // We also delete all markers that contain the package name we're 8153 // uninstalling. These are associated with secondary dex-files belonging 8154 // to the package. Reconstructing the path of these dex files is messy 8155 // in general. 8156 for (File marker : markers) { 8157 if (marker.getName().indexOf(searchString) > 0) { 8158 if (!marker.delete()) { 8159 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8160 + pkg.packageName); 8161 } 8162 } 8163 } 8164 } 8165 } 8166 } 8167 } 8168 8169 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8170 try { 8171 mInstaller.destroyAppProfiles(pkg.packageName); 8172 } catch (InstallerException e) { 8173 Slog.w(TAG, String.valueOf(e)); 8174 } 8175 } 8176 8177 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8178 if (pkg == null) { 8179 Slog.wtf(TAG, "Package was null!", new Throwable()); 8180 return; 8181 } 8182 clearAppProfilesLeafLIF(pkg); 8183 // We don't remove the base foreign use marker when clearing profiles because 8184 // we will rename it when the app is updated. Unlike the actual profile contents, 8185 // the foreign use marker is good across installs. 8186 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8187 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8188 for (int i = 0; i < childCount; i++) { 8189 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8190 } 8191 } 8192 8193 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8194 try { 8195 mInstaller.clearAppProfiles(pkg.packageName); 8196 } catch (InstallerException e) { 8197 Slog.w(TAG, String.valueOf(e)); 8198 } 8199 } 8200 8201 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8202 long lastUpdateTime) { 8203 // Set parent install/update time 8204 PackageSetting ps = (PackageSetting) pkg.mExtras; 8205 if (ps != null) { 8206 ps.firstInstallTime = firstInstallTime; 8207 ps.lastUpdateTime = lastUpdateTime; 8208 } 8209 // Set children install/update time 8210 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8211 for (int i = 0; i < childCount; i++) { 8212 PackageParser.Package childPkg = pkg.childPackages.get(i); 8213 ps = (PackageSetting) childPkg.mExtras; 8214 if (ps != null) { 8215 ps.firstInstallTime = firstInstallTime; 8216 ps.lastUpdateTime = lastUpdateTime; 8217 } 8218 } 8219 } 8220 8221 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8222 PackageParser.Package changingLib) { 8223 if (file.path != null) { 8224 usesLibraryFiles.add(file.path); 8225 return; 8226 } 8227 PackageParser.Package p = mPackages.get(file.apk); 8228 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8229 // If we are doing this while in the middle of updating a library apk, 8230 // then we need to make sure to use that new apk for determining the 8231 // dependencies here. (We haven't yet finished committing the new apk 8232 // to the package manager state.) 8233 if (p == null || p.packageName.equals(changingLib.packageName)) { 8234 p = changingLib; 8235 } 8236 } 8237 if (p != null) { 8238 usesLibraryFiles.addAll(p.getAllCodePaths()); 8239 } 8240 } 8241 8242 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8243 PackageParser.Package changingLib) throws PackageManagerException { 8244 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 8245 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 8246 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 8247 for (int i=0; i<N; i++) { 8248 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 8249 if (file == null) { 8250 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8251 "Package " + pkg.packageName + " requires unavailable shared library " 8252 + pkg.usesLibraries.get(i) + "; failing!"); 8253 } 8254 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 8255 } 8256 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 8257 for (int i=0; i<N; i++) { 8258 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 8259 if (file == null) { 8260 Slog.w(TAG, "Package " + pkg.packageName 8261 + " desires unavailable shared library " 8262 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 8263 } else { 8264 addSharedLibraryLPr(usesLibraryFiles, file, changingLib); 8265 } 8266 } 8267 N = usesLibraryFiles.size(); 8268 if (N > 0) { 8269 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 8270 } else { 8271 pkg.usesLibraryFiles = null; 8272 } 8273 } 8274 } 8275 8276 private static boolean hasString(List<String> list, List<String> which) { 8277 if (list == null) { 8278 return false; 8279 } 8280 for (int i=list.size()-1; i>=0; i--) { 8281 for (int j=which.size()-1; j>=0; j--) { 8282 if (which.get(j).equals(list.get(i))) { 8283 return true; 8284 } 8285 } 8286 } 8287 return false; 8288 } 8289 8290 private void updateAllSharedLibrariesLPw() { 8291 for (PackageParser.Package pkg : mPackages.values()) { 8292 try { 8293 updateSharedLibrariesLPr(pkg, null); 8294 } catch (PackageManagerException e) { 8295 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8296 } 8297 } 8298 } 8299 8300 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8301 PackageParser.Package changingPkg) { 8302 ArrayList<PackageParser.Package> res = null; 8303 for (PackageParser.Package pkg : mPackages.values()) { 8304 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 8305 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 8306 if (res == null) { 8307 res = new ArrayList<PackageParser.Package>(); 8308 } 8309 res.add(pkg); 8310 try { 8311 updateSharedLibrariesLPr(pkg, changingPkg); 8312 } catch (PackageManagerException e) { 8313 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8314 } 8315 } 8316 } 8317 return res; 8318 } 8319 8320 /** 8321 * Derive the value of the {@code cpuAbiOverride} based on the provided 8322 * value and an optional stored value from the package settings. 8323 */ 8324 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8325 String cpuAbiOverride = null; 8326 8327 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8328 cpuAbiOverride = null; 8329 } else if (abiOverride != null) { 8330 cpuAbiOverride = abiOverride; 8331 } else if (settings != null) { 8332 cpuAbiOverride = settings.cpuAbiOverrideString; 8333 } 8334 8335 return cpuAbiOverride; 8336 } 8337 8338 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8339 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 8340 throws PackageManagerException { 8341 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8342 // If the package has children and this is the first dive in the function 8343 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8344 // whether all packages (parent and children) would be successfully scanned 8345 // before the actual scan since scanning mutates internal state and we want 8346 // to atomically install the package and its children. 8347 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8348 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8349 scanFlags |= SCAN_CHECK_ONLY; 8350 } 8351 } else { 8352 scanFlags &= ~SCAN_CHECK_ONLY; 8353 } 8354 8355 final PackageParser.Package scannedPkg; 8356 try { 8357 // Scan the parent 8358 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8359 // Scan the children 8360 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8361 for (int i = 0; i < childCount; i++) { 8362 PackageParser.Package childPkg = pkg.childPackages.get(i); 8363 scanPackageLI(childPkg, policyFlags, 8364 scanFlags, currentTime, user); 8365 } 8366 } finally { 8367 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8368 } 8369 8370 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8371 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8372 } 8373 8374 return scannedPkg; 8375 } 8376 8377 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8378 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8379 boolean success = false; 8380 try { 8381 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8382 currentTime, user); 8383 success = true; 8384 return res; 8385 } finally { 8386 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8387 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8388 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8389 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8390 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8391 } 8392 } 8393 } 8394 8395 /** 8396 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8397 */ 8398 private static boolean apkHasCode(String fileName) { 8399 StrictJarFile jarFile = null; 8400 try { 8401 jarFile = new StrictJarFile(fileName, 8402 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8403 return jarFile.findEntry("classes.dex") != null; 8404 } catch (IOException ignore) { 8405 } finally { 8406 try { 8407 if (jarFile != null) { 8408 jarFile.close(); 8409 } 8410 } catch (IOException ignore) {} 8411 } 8412 return false; 8413 } 8414 8415 /** 8416 * Enforces code policy for the package. This ensures that if an APK has 8417 * declared hasCode="true" in its manifest that the APK actually contains 8418 * code. 8419 * 8420 * @throws PackageManagerException If bytecode could not be found when it should exist 8421 */ 8422 private static void assertCodePolicy(PackageParser.Package pkg) 8423 throws PackageManagerException { 8424 final boolean shouldHaveCode = 8425 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8426 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8427 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8428 "Package " + pkg.baseCodePath + " code is missing"); 8429 } 8430 8431 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8432 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8433 final boolean splitShouldHaveCode = 8434 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8435 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8436 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8437 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8438 } 8439 } 8440 } 8441 } 8442 8443 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8444 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8445 throws PackageManagerException { 8446 if (DEBUG_PACKAGE_SCANNING) { 8447 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8448 Log.d(TAG, "Scanning package " + pkg.packageName); 8449 } 8450 8451 applyPolicy(pkg, policyFlags); 8452 8453 assertPackageIsValid(pkg, policyFlags, scanFlags); 8454 8455 // Initialize package source and resource directories 8456 final File scanFile = new File(pkg.codePath); 8457 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8458 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8459 8460 SharedUserSetting suid = null; 8461 PackageSetting pkgSetting = null; 8462 8463 // Getting the package setting may have a side-effect, so if we 8464 // are only checking if scan would succeed, stash a copy of the 8465 // old setting to restore at the end. 8466 PackageSetting nonMutatedPs = null; 8467 8468 // We keep references to the derived CPU Abis from settings in oder to reuse 8469 // them in the case where we're not upgrading or booting for the first time. 8470 String primaryCpuAbiFromSettings = null; 8471 String secondaryCpuAbiFromSettings = null; 8472 8473 // writer 8474 synchronized (mPackages) { 8475 if (pkg.mSharedUserId != null) { 8476 // SIDE EFFECTS; may potentially allocate a new shared user 8477 suid = mSettings.getSharedUserLPw( 8478 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8479 if (DEBUG_PACKAGE_SCANNING) { 8480 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8481 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8482 + "): packages=" + suid.packages); 8483 } 8484 } 8485 8486 // Check if we are renaming from an original package name. 8487 PackageSetting origPackage = null; 8488 String realName = null; 8489 if (pkg.mOriginalPackages != null) { 8490 // This package may need to be renamed to a previously 8491 // installed name. Let's check on that... 8492 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8493 if (pkg.mOriginalPackages.contains(renamed)) { 8494 // This package had originally been installed as the 8495 // original name, and we have already taken care of 8496 // transitioning to the new one. Just update the new 8497 // one to continue using the old name. 8498 realName = pkg.mRealPackage; 8499 if (!pkg.packageName.equals(renamed)) { 8500 // Callers into this function may have already taken 8501 // care of renaming the package; only do it here if 8502 // it is not already done. 8503 pkg.setPackageName(renamed); 8504 } 8505 } else { 8506 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8507 if ((origPackage = mSettings.getPackageLPr( 8508 pkg.mOriginalPackages.get(i))) != null) { 8509 // We do have the package already installed under its 8510 // original name... should we use it? 8511 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8512 // New package is not compatible with original. 8513 origPackage = null; 8514 continue; 8515 } else if (origPackage.sharedUser != null) { 8516 // Make sure uid is compatible between packages. 8517 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8518 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8519 + " to " + pkg.packageName + ": old uid " 8520 + origPackage.sharedUser.name 8521 + " differs from " + pkg.mSharedUserId); 8522 origPackage = null; 8523 continue; 8524 } 8525 // TODO: Add case when shared user id is added [b/28144775] 8526 } else { 8527 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8528 + pkg.packageName + " to old name " + origPackage.name); 8529 } 8530 break; 8531 } 8532 } 8533 } 8534 } 8535 8536 if (mTransferedPackages.contains(pkg.packageName)) { 8537 Slog.w(TAG, "Package " + pkg.packageName 8538 + " was transferred to another, but its .apk remains"); 8539 } 8540 8541 // See comments in nonMutatedPs declaration 8542 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8543 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8544 if (foundPs != null) { 8545 nonMutatedPs = new PackageSetting(foundPs); 8546 } 8547 } 8548 8549 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 8550 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8551 if (foundPs != null) { 8552 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 8553 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 8554 } 8555 } 8556 8557 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8558 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8559 PackageManagerService.reportSettingsProblem(Log.WARN, 8560 "Package " + pkg.packageName + " shared user changed from " 8561 + (pkgSetting.sharedUser != null 8562 ? pkgSetting.sharedUser.name : "<nothing>") 8563 + " to " 8564 + (suid != null ? suid.name : "<nothing>") 8565 + "; replacing with new"); 8566 pkgSetting = null; 8567 } 8568 final PackageSetting oldPkgSetting = 8569 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8570 final PackageSetting disabledPkgSetting = 8571 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8572 if (pkgSetting == null) { 8573 final String parentPackageName = (pkg.parentPackage != null) 8574 ? pkg.parentPackage.packageName : null; 8575 // REMOVE SharedUserSetting from method; update in a separate call 8576 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8577 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 8578 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 8579 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 8580 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 8581 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 8582 UserManagerService.getInstance()); 8583 // SIDE EFFECTS; updates system state; move elsewhere 8584 if (origPackage != null) { 8585 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 8586 } 8587 mSettings.addUserToSettingLPw(pkgSetting); 8588 } else { 8589 // REMOVE SharedUserSetting from method; update in a separate call. 8590 // 8591 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 8592 // secondaryCpuAbi are not known at this point so we always update them 8593 // to null here, only to reset them at a later point. 8594 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 8595 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 8596 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 8597 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 8598 UserManagerService.getInstance()); 8599 } 8600 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 8601 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 8602 8603 // SIDE EFFECTS; modifies system state; move elsewhere 8604 if (pkgSetting.origPackage != null) { 8605 // If we are first transitioning from an original package, 8606 // fix up the new package's name now. We need to do this after 8607 // looking up the package under its new name, so getPackageLP 8608 // can take care of fiddling things correctly. 8609 pkg.setPackageName(origPackage.name); 8610 8611 // File a report about this. 8612 String msg = "New package " + pkgSetting.realName 8613 + " renamed to replace old package " + pkgSetting.name; 8614 reportSettingsProblem(Log.WARN, msg); 8615 8616 // Make a note of it. 8617 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8618 mTransferedPackages.add(origPackage.name); 8619 } 8620 8621 // No longer need to retain this. 8622 pkgSetting.origPackage = null; 8623 } 8624 8625 // SIDE EFFECTS; modifies system state; move elsewhere 8626 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8627 // Make a note of it. 8628 mTransferedPackages.add(pkg.packageName); 8629 } 8630 8631 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8632 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8633 } 8634 8635 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8636 // Check all shared libraries and map to their actual file path. 8637 // We only do this here for apps not on a system dir, because those 8638 // are the only ones that can fail an install due to this. We 8639 // will take care of the system apps by updating all of their 8640 // library paths after the scan is done. 8641 updateSharedLibrariesLPr(pkg, null); 8642 } 8643 8644 if (mFoundPolicyFile) { 8645 SELinuxMMAC.assignSeinfoValue(pkg); 8646 } 8647 8648 pkg.applicationInfo.uid = pkgSetting.appId; 8649 pkg.mExtras = pkgSetting; 8650 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8651 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8652 // We just determined the app is signed correctly, so bring 8653 // over the latest parsed certs. 8654 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8655 } else { 8656 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8657 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8658 "Package " + pkg.packageName + " upgrade keys do not match the " 8659 + "previously installed version"); 8660 } else { 8661 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8662 String msg = "System package " + pkg.packageName 8663 + " signature changed; retaining data."; 8664 reportSettingsProblem(Log.WARN, msg); 8665 } 8666 } 8667 } else { 8668 try { 8669 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 8670 verifySignaturesLP(pkgSetting, pkg); 8671 // We just determined the app is signed correctly, so bring 8672 // over the latest parsed certs. 8673 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8674 } catch (PackageManagerException e) { 8675 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8676 throw e; 8677 } 8678 // The signature has changed, but this package is in the system 8679 // image... let's recover! 8680 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8681 // However... if this package is part of a shared user, but it 8682 // doesn't match the signature of the shared user, let's fail. 8683 // What this means is that you can't change the signatures 8684 // associated with an overall shared user, which doesn't seem all 8685 // that unreasonable. 8686 if (pkgSetting.sharedUser != null) { 8687 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8688 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8689 throw new PackageManagerException( 8690 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8691 "Signature mismatch for shared user: " 8692 + pkgSetting.sharedUser); 8693 } 8694 } 8695 // File a report about this. 8696 String msg = "System package " + pkg.packageName 8697 + " signature changed; retaining data."; 8698 reportSettingsProblem(Log.WARN, msg); 8699 } 8700 } 8701 8702 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8703 // This package wants to adopt ownership of permissions from 8704 // another package. 8705 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8706 final String origName = pkg.mAdoptPermissions.get(i); 8707 final PackageSetting orig = mSettings.getPackageLPr(origName); 8708 if (orig != null) { 8709 if (verifyPackageUpdateLPr(orig, pkg)) { 8710 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8711 + pkg.packageName); 8712 // SIDE EFFECTS; updates permissions system state; move elsewhere 8713 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8714 } 8715 } 8716 } 8717 } 8718 } 8719 8720 pkg.applicationInfo.processName = fixProcessName( 8721 pkg.applicationInfo.packageName, 8722 pkg.applicationInfo.processName); 8723 8724 if (pkg != mPlatformPackage) { 8725 // Get all of our default paths setup 8726 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8727 } 8728 8729 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8730 8731 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8732 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 8733 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 8734 derivePackageAbi( 8735 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 8736 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8737 8738 // Some system apps still use directory structure for native libraries 8739 // in which case we might end up not detecting abi solely based on apk 8740 // structure. Try to detect abi based on directory structure. 8741 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8742 pkg.applicationInfo.primaryCpuAbi == null) { 8743 setBundledAppAbisAndRoots(pkg, pkgSetting); 8744 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8745 } 8746 } else { 8747 // This is not a first boot or an upgrade, don't bother deriving the 8748 // ABI during the scan. Instead, trust the value that was stored in the 8749 // package setting. 8750 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 8751 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 8752 8753 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8754 8755 if (DEBUG_ABI_SELECTION) { 8756 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 8757 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 8758 pkg.applicationInfo.secondaryCpuAbi); 8759 } 8760 } 8761 } else { 8762 if ((scanFlags & SCAN_MOVE) != 0) { 8763 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8764 // but we already have this packages package info in the PackageSetting. We just 8765 // use that and derive the native library path based on the new codepath. 8766 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8767 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8768 } 8769 8770 // Set native library paths again. For moves, the path will be updated based on the 8771 // ABIs we've determined above. For non-moves, the path will be updated based on the 8772 // ABIs we determined during compilation, but the path will depend on the final 8773 // package path (after the rename away from the stage path). 8774 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 8775 } 8776 8777 // This is a special case for the "system" package, where the ABI is 8778 // dictated by the zygote configuration (and init.rc). We should keep track 8779 // of this ABI so that we can deal with "normal" applications that run under 8780 // the same UID correctly. 8781 if (mPlatformPackage == pkg) { 8782 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8783 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8784 } 8785 8786 // If there's a mismatch between the abi-override in the package setting 8787 // and the abiOverride specified for the install. Warn about this because we 8788 // would've already compiled the app without taking the package setting into 8789 // account. 8790 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8791 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8792 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8793 " for package " + pkg.packageName); 8794 } 8795 } 8796 8797 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8798 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8799 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8800 8801 // Copy the derived override back to the parsed package, so that we can 8802 // update the package settings accordingly. 8803 pkg.cpuAbiOverride = cpuAbiOverride; 8804 8805 if (DEBUG_ABI_SELECTION) { 8806 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8807 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8808 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8809 } 8810 8811 // Push the derived path down into PackageSettings so we know what to 8812 // clean up at uninstall time. 8813 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8814 8815 if (DEBUG_ABI_SELECTION) { 8816 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8817 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8818 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8819 } 8820 8821 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 8822 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8823 // We don't do this here during boot because we can do it all 8824 // at once after scanning all existing packages. 8825 // 8826 // We also do this *before* we perform dexopt on this package, so that 8827 // we can avoid redundant dexopts, and also to make sure we've got the 8828 // code and package path correct. 8829 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 8830 } 8831 8832 if (mFactoryTest && pkg.requestedPermissions.contains( 8833 android.Manifest.permission.FACTORY_TEST)) { 8834 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8835 } 8836 8837 if (isSystemApp(pkg)) { 8838 pkgSetting.isOrphaned = true; 8839 } 8840 8841 // Take care of first install / last update times. 8842 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8843 if (currentTime != 0) { 8844 if (pkgSetting.firstInstallTime == 0) { 8845 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8846 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 8847 pkgSetting.lastUpdateTime = currentTime; 8848 } 8849 } else if (pkgSetting.firstInstallTime == 0) { 8850 // We need *something*. Take time time stamp of the file. 8851 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8852 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8853 if (scanFileTime != pkgSetting.timeStamp) { 8854 // A package on the system image has changed; consider this 8855 // to be an update. 8856 pkgSetting.lastUpdateTime = scanFileTime; 8857 } 8858 } 8859 pkgSetting.setTimeStamp(scanFileTime); 8860 8861 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8862 if (nonMutatedPs != null) { 8863 synchronized (mPackages) { 8864 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8865 } 8866 } 8867 } else { 8868 // Modify state for the given package setting 8869 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 8870 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 8871 } 8872 return pkg; 8873 } 8874 8875 /** 8876 * Applies policy to the parsed package based upon the given policy flags. 8877 * Ensures the package is in a good state. 8878 * <p> 8879 * Implementation detail: This method must NOT have any side effect. It would 8880 * ideally be static, but, it requires locks to read system state. 8881 */ 8882 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 8883 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8884 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8885 if (pkg.applicationInfo.isDirectBootAware()) { 8886 // we're direct boot aware; set for all components 8887 for (PackageParser.Service s : pkg.services) { 8888 s.info.encryptionAware = s.info.directBootAware = true; 8889 } 8890 for (PackageParser.Provider p : pkg.providers) { 8891 p.info.encryptionAware = p.info.directBootAware = true; 8892 } 8893 for (PackageParser.Activity a : pkg.activities) { 8894 a.info.encryptionAware = a.info.directBootAware = true; 8895 } 8896 for (PackageParser.Activity r : pkg.receivers) { 8897 r.info.encryptionAware = r.info.directBootAware = true; 8898 } 8899 } 8900 } else { 8901 // Only allow system apps to be flagged as core apps. 8902 pkg.coreApp = false; 8903 // clear flags not applicable to regular apps 8904 pkg.applicationInfo.privateFlags &= 8905 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8906 pkg.applicationInfo.privateFlags &= 8907 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8908 } 8909 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8910 8911 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8912 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8913 } 8914 8915 if (!isSystemApp(pkg)) { 8916 // Only system apps can use these features. 8917 pkg.mOriginalPackages = null; 8918 pkg.mRealPackage = null; 8919 pkg.mAdoptPermissions = null; 8920 } 8921 } 8922 8923 /** 8924 * Asserts the parsed package is valid according to teh given policy. If the 8925 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 8926 * <p> 8927 * Implementation detail: This method must NOT have any side effects. It would 8928 * ideally be static, but, it requires locks to read system state. 8929 * 8930 * @throws PackageManagerException If the package fails any of the validation checks 8931 */ 8932 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 8933 throws PackageManagerException { 8934 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8935 assertCodePolicy(pkg); 8936 } 8937 8938 if (pkg.applicationInfo.getCodePath() == null || 8939 pkg.applicationInfo.getResourcePath() == null) { 8940 // Bail out. The resource and code paths haven't been set. 8941 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8942 "Code and resource paths haven't been set correctly"); 8943 } 8944 8945 // Make sure we're not adding any bogus keyset info 8946 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8947 ksms.assertScannedPackageValid(pkg); 8948 8949 synchronized (mPackages) { 8950 // The special "android" package can only be defined once 8951 if (pkg.packageName.equals("android")) { 8952 if (mAndroidApplication != null) { 8953 Slog.w(TAG, "*************************************************"); 8954 Slog.w(TAG, "Core android package being redefined. Skipping."); 8955 Slog.w(TAG, " codePath=" + pkg.codePath); 8956 Slog.w(TAG, "*************************************************"); 8957 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8958 "Core android package being redefined. Skipping."); 8959 } 8960 } 8961 8962 // A package name must be unique; don't allow duplicates 8963 if (mPackages.containsKey(pkg.packageName) 8964 || mSharedLibraries.containsKey(pkg.packageName)) { 8965 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8966 "Application package " + pkg.packageName 8967 + " already installed. Skipping duplicate."); 8968 } 8969 8970 // Only privileged apps and updated privileged apps can add child packages. 8971 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8972 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8973 throw new PackageManagerException("Only privileged apps can add child " 8974 + "packages. Ignoring package " + pkg.packageName); 8975 } 8976 final int childCount = pkg.childPackages.size(); 8977 for (int i = 0; i < childCount; i++) { 8978 PackageParser.Package childPkg = pkg.childPackages.get(i); 8979 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8980 childPkg.packageName)) { 8981 throw new PackageManagerException("Can't override child of " 8982 + "another disabled app. Ignoring package " + pkg.packageName); 8983 } 8984 } 8985 } 8986 8987 // If we're only installing presumed-existing packages, require that the 8988 // scanned APK is both already known and at the path previously established 8989 // for it. Previously unknown packages we pick up normally, but if we have an 8990 // a priori expectation about this package's install presence, enforce it. 8991 // With a singular exception for new system packages. When an OTA contains 8992 // a new system package, we allow the codepath to change from a system location 8993 // to the user-installed location. If we don't allow this change, any newer, 8994 // user-installed version of the application will be ignored. 8995 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8996 if (mExpectingBetter.containsKey(pkg.packageName)) { 8997 logCriticalInfo(Log.WARN, 8998 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8999 } else { 9000 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9001 if (known != null) { 9002 if (DEBUG_PACKAGE_SCANNING) { 9003 Log.d(TAG, "Examining " + pkg.codePath 9004 + " and requiring known paths " + known.codePathString 9005 + " & " + known.resourcePathString); 9006 } 9007 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9008 || !pkg.applicationInfo.getResourcePath().equals( 9009 known.resourcePathString)) { 9010 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9011 "Application package " + pkg.packageName 9012 + " found at " + pkg.applicationInfo.getCodePath() 9013 + " but expected at " + known.codePathString 9014 + "; ignoring."); 9015 } 9016 } 9017 } 9018 } 9019 9020 // Verify that this new package doesn't have any content providers 9021 // that conflict with existing packages. Only do this if the 9022 // package isn't already installed, since we don't want to break 9023 // things that are installed. 9024 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9025 final int N = pkg.providers.size(); 9026 int i; 9027 for (i=0; i<N; i++) { 9028 PackageParser.Provider p = pkg.providers.get(i); 9029 if (p.info.authority != null) { 9030 String names[] = p.info.authority.split(";"); 9031 for (int j = 0; j < names.length; j++) { 9032 if (mProvidersByAuthority.containsKey(names[j])) { 9033 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9034 final String otherPackageName = 9035 ((other != null && other.getComponentName() != null) ? 9036 other.getComponentName().getPackageName() : "?"); 9037 throw new PackageManagerException( 9038 INSTALL_FAILED_CONFLICTING_PROVIDER, 9039 "Can't install because provider name " + names[j] 9040 + " (in package " + pkg.applicationInfo.packageName 9041 + ") is already used by " + otherPackageName); 9042 } 9043 } 9044 } 9045 } 9046 } 9047 } 9048 } 9049 9050 /** 9051 * Adds a scanned package to the system. When this method is finished, the package will 9052 * be available for query, resolution, etc... 9053 */ 9054 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9055 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9056 final String pkgName = pkg.packageName; 9057 if (mCustomResolverComponentName != null && 9058 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9059 setUpCustomResolverActivity(pkg); 9060 } 9061 9062 if (pkg.packageName.equals("android")) { 9063 synchronized (mPackages) { 9064 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9065 // Set up information for our fall-back user intent resolution activity. 9066 mPlatformPackage = pkg; 9067 pkg.mVersionCode = mSdkVersion; 9068 mAndroidApplication = pkg.applicationInfo; 9069 9070 if (!mResolverReplaced) { 9071 mResolveActivity.applicationInfo = mAndroidApplication; 9072 mResolveActivity.name = ResolverActivity.class.getName(); 9073 mResolveActivity.packageName = mAndroidApplication.packageName; 9074 mResolveActivity.processName = "system:ui"; 9075 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9076 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9077 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9078 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9079 mResolveActivity.exported = true; 9080 mResolveActivity.enabled = true; 9081 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9082 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9083 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9084 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9085 | ActivityInfo.CONFIG_ORIENTATION 9086 | ActivityInfo.CONFIG_KEYBOARD 9087 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9088 mResolveInfo.activityInfo = mResolveActivity; 9089 mResolveInfo.priority = 0; 9090 mResolveInfo.preferredOrder = 0; 9091 mResolveInfo.match = 0; 9092 mResolveComponentName = new ComponentName( 9093 mAndroidApplication.packageName, mResolveActivity.name); 9094 } 9095 } 9096 } 9097 } 9098 9099 ArrayList<PackageParser.Package> clientLibPkgs = null; 9100 // writer 9101 synchronized (mPackages) { 9102 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9103 // Only system apps can add new shared libraries. 9104 if (pkg.libraryNames != null) { 9105 for (int i=0; i<pkg.libraryNames.size(); i++) { 9106 String name = pkg.libraryNames.get(i); 9107 boolean allowed = false; 9108 if (pkg.isUpdatedSystemApp()) { 9109 // New library entries can only be added through the 9110 // system image. This is important to get rid of a lot 9111 // of nasty edge cases: for example if we allowed a non- 9112 // system update of the app to add a library, then uninstalling 9113 // the update would make the library go away, and assumptions 9114 // we made such as through app install filtering would now 9115 // have allowed apps on the device which aren't compatible 9116 // with it. Better to just have the restriction here, be 9117 // conservative, and create many fewer cases that can negatively 9118 // impact the user experience. 9119 final PackageSetting sysPs = mSettings 9120 .getDisabledSystemPkgLPr(pkg.packageName); 9121 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9122 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 9123 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9124 allowed = true; 9125 break; 9126 } 9127 } 9128 } 9129 } else { 9130 allowed = true; 9131 } 9132 if (allowed) { 9133 if (!mSharedLibraries.containsKey(name)) { 9134 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 9135 } else if (!name.equals(pkg.packageName)) { 9136 Slog.w(TAG, "Package " + pkg.packageName + " library " 9137 + name + " already exists; skipping"); 9138 } 9139 } else { 9140 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9141 + name + " that is not declared on system image; skipping"); 9142 } 9143 } 9144 if ((scanFlags & SCAN_BOOTING) == 0) { 9145 // If we are not booting, we need to update any applications 9146 // that are clients of our shared library. If we are booting, 9147 // this will all be done once the scan is complete. 9148 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9149 } 9150 } 9151 } 9152 } 9153 9154 if ((scanFlags & SCAN_BOOTING) != 0) { 9155 // No apps can run during boot scan, so they don't need to be frozen 9156 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9157 // Caller asked to not kill app, so it's probably not frozen 9158 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9159 // Caller asked us to ignore frozen check for some reason; they 9160 // probably didn't know the package name 9161 } else { 9162 // We're doing major surgery on this package, so it better be frozen 9163 // right now to keep it from launching 9164 checkPackageFrozen(pkgName); 9165 } 9166 9167 // Also need to kill any apps that are dependent on the library. 9168 if (clientLibPkgs != null) { 9169 for (int i=0; i<clientLibPkgs.size(); i++) { 9170 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9171 killApplication(clientPkg.applicationInfo.packageName, 9172 clientPkg.applicationInfo.uid, "update lib"); 9173 } 9174 } 9175 9176 // writer 9177 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 9178 9179 boolean createIdmapFailed = false; 9180 synchronized (mPackages) { 9181 // We don't expect installation to fail beyond this point 9182 9183 if (pkgSetting.pkg != null) { 9184 // Note that |user| might be null during the initial boot scan. If a codePath 9185 // for an app has changed during a boot scan, it's due to an app update that's 9186 // part of the system partition and marker changes must be applied to all users. 9187 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 9188 final int[] userIds = resolveUserIds(userId); 9189 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 9190 } 9191 9192 // Add the new setting to mSettings 9193 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 9194 // Add the new setting to mPackages 9195 mPackages.put(pkg.applicationInfo.packageName, pkg); 9196 // Make sure we don't accidentally delete its data. 9197 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 9198 while (iter.hasNext()) { 9199 PackageCleanItem item = iter.next(); 9200 if (pkgName.equals(item.packageName)) { 9201 iter.remove(); 9202 } 9203 } 9204 9205 // Add the package's KeySets to the global KeySetManagerService 9206 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9207 ksms.addScannedPackageLPw(pkg); 9208 9209 int N = pkg.providers.size(); 9210 StringBuilder r = null; 9211 int i; 9212 for (i=0; i<N; i++) { 9213 PackageParser.Provider p = pkg.providers.get(i); 9214 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 9215 p.info.processName); 9216 mProviders.addProvider(p); 9217 p.syncable = p.info.isSyncable; 9218 if (p.info.authority != null) { 9219 String names[] = p.info.authority.split(";"); 9220 p.info.authority = null; 9221 for (int j = 0; j < names.length; j++) { 9222 if (j == 1 && p.syncable) { 9223 // We only want the first authority for a provider to possibly be 9224 // syncable, so if we already added this provider using a different 9225 // authority clear the syncable flag. We copy the provider before 9226 // changing it because the mProviders object contains a reference 9227 // to a provider that we don't want to change. 9228 // Only do this for the second authority since the resulting provider 9229 // object can be the same for all future authorities for this provider. 9230 p = new PackageParser.Provider(p); 9231 p.syncable = false; 9232 } 9233 if (!mProvidersByAuthority.containsKey(names[j])) { 9234 mProvidersByAuthority.put(names[j], p); 9235 if (p.info.authority == null) { 9236 p.info.authority = names[j]; 9237 } else { 9238 p.info.authority = p.info.authority + ";" + names[j]; 9239 } 9240 if (DEBUG_PACKAGE_SCANNING) { 9241 if (chatty) 9242 Log.d(TAG, "Registered content provider: " + names[j] 9243 + ", className = " + p.info.name + ", isSyncable = " 9244 + p.info.isSyncable); 9245 } 9246 } else { 9247 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9248 Slog.w(TAG, "Skipping provider name " + names[j] + 9249 " (in package " + pkg.applicationInfo.packageName + 9250 "): name already used by " 9251 + ((other != null && other.getComponentName() != null) 9252 ? other.getComponentName().getPackageName() : "?")); 9253 } 9254 } 9255 } 9256 if (chatty) { 9257 if (r == null) { 9258 r = new StringBuilder(256); 9259 } else { 9260 r.append(' '); 9261 } 9262 r.append(p.info.name); 9263 } 9264 } 9265 if (r != null) { 9266 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 9267 } 9268 9269 N = pkg.services.size(); 9270 r = null; 9271 for (i=0; i<N; i++) { 9272 PackageParser.Service s = pkg.services.get(i); 9273 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 9274 s.info.processName); 9275 mServices.addService(s); 9276 if (chatty) { 9277 if (r == null) { 9278 r = new StringBuilder(256); 9279 } else { 9280 r.append(' '); 9281 } 9282 r.append(s.info.name); 9283 } 9284 } 9285 if (r != null) { 9286 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 9287 } 9288 9289 N = pkg.receivers.size(); 9290 r = null; 9291 for (i=0; i<N; i++) { 9292 PackageParser.Activity a = pkg.receivers.get(i); 9293 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9294 a.info.processName); 9295 mReceivers.addActivity(a, "receiver"); 9296 if (chatty) { 9297 if (r == null) { 9298 r = new StringBuilder(256); 9299 } else { 9300 r.append(' '); 9301 } 9302 r.append(a.info.name); 9303 } 9304 } 9305 if (r != null) { 9306 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 9307 } 9308 9309 N = pkg.activities.size(); 9310 r = null; 9311 for (i=0; i<N; i++) { 9312 PackageParser.Activity a = pkg.activities.get(i); 9313 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9314 a.info.processName); 9315 mActivities.addActivity(a, "activity"); 9316 if (chatty) { 9317 if (r == null) { 9318 r = new StringBuilder(256); 9319 } else { 9320 r.append(' '); 9321 } 9322 r.append(a.info.name); 9323 } 9324 } 9325 if (r != null) { 9326 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 9327 } 9328 9329 N = pkg.permissionGroups.size(); 9330 r = null; 9331 for (i=0; i<N; i++) { 9332 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 9333 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 9334 final String curPackageName = cur == null ? null : cur.info.packageName; 9335 // Dont allow ephemeral apps to define new permission groups. 9336 if (pkg.applicationInfo.isEphemeralApp()) { 9337 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9338 + pg.info.packageName 9339 + " ignored: ephemeral apps cannot define new permission groups."); 9340 continue; 9341 } 9342 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 9343 if (cur == null || isPackageUpdate) { 9344 mPermissionGroups.put(pg.info.name, pg); 9345 if (chatty) { 9346 if (r == null) { 9347 r = new StringBuilder(256); 9348 } else { 9349 r.append(' '); 9350 } 9351 if (isPackageUpdate) { 9352 r.append("UPD:"); 9353 } 9354 r.append(pg.info.name); 9355 } 9356 } else { 9357 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9358 + pg.info.packageName + " ignored: original from " 9359 + cur.info.packageName); 9360 if (chatty) { 9361 if (r == null) { 9362 r = new StringBuilder(256); 9363 } else { 9364 r.append(' '); 9365 } 9366 r.append("DUP:"); 9367 r.append(pg.info.name); 9368 } 9369 } 9370 } 9371 if (r != null) { 9372 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 9373 } 9374 9375 N = pkg.permissions.size(); 9376 r = null; 9377 for (i=0; i<N; i++) { 9378 PackageParser.Permission p = pkg.permissions.get(i); 9379 9380 // Dont allow ephemeral apps to define new permissions. 9381 if (pkg.applicationInfo.isEphemeralApp()) { 9382 Slog.w(TAG, "Permission " + p.info.name + " from package " 9383 + p.info.packageName 9384 + " ignored: ephemeral apps cannot define new permissions."); 9385 continue; 9386 } 9387 9388 // Assume by default that we did not install this permission into the system. 9389 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 9390 9391 // Now that permission groups have a special meaning, we ignore permission 9392 // groups for legacy apps to prevent unexpected behavior. In particular, 9393 // permissions for one app being granted to someone just becase they happen 9394 // to be in a group defined by another app (before this had no implications). 9395 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 9396 p.group = mPermissionGroups.get(p.info.group); 9397 // Warn for a permission in an unknown group. 9398 if (p.info.group != null && p.group == null) { 9399 Slog.w(TAG, "Permission " + p.info.name + " from package " 9400 + p.info.packageName + " in an unknown group " + p.info.group); 9401 } 9402 } 9403 9404 ArrayMap<String, BasePermission> permissionMap = 9405 p.tree ? mSettings.mPermissionTrees 9406 : mSettings.mPermissions; 9407 BasePermission bp = permissionMap.get(p.info.name); 9408 9409 // Allow system apps to redefine non-system permissions 9410 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 9411 final boolean currentOwnerIsSystem = (bp.perm != null 9412 && isSystemApp(bp.perm.owner)); 9413 if (isSystemApp(p.owner)) { 9414 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 9415 // It's a built-in permission and no owner, take ownership now 9416 bp.packageSetting = pkgSetting; 9417 bp.perm = p; 9418 bp.uid = pkg.applicationInfo.uid; 9419 bp.sourcePackage = p.info.packageName; 9420 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9421 } else if (!currentOwnerIsSystem) { 9422 String msg = "New decl " + p.owner + " of permission " 9423 + p.info.name + " is system; overriding " + bp.sourcePackage; 9424 reportSettingsProblem(Log.WARN, msg); 9425 bp = null; 9426 } 9427 } 9428 } 9429 9430 if (bp == null) { 9431 bp = new BasePermission(p.info.name, p.info.packageName, 9432 BasePermission.TYPE_NORMAL); 9433 permissionMap.put(p.info.name, bp); 9434 } 9435 9436 if (bp.perm == null) { 9437 if (bp.sourcePackage == null 9438 || bp.sourcePackage.equals(p.info.packageName)) { 9439 BasePermission tree = findPermissionTreeLP(p.info.name); 9440 if (tree == null 9441 || tree.sourcePackage.equals(p.info.packageName)) { 9442 bp.packageSetting = pkgSetting; 9443 bp.perm = p; 9444 bp.uid = pkg.applicationInfo.uid; 9445 bp.sourcePackage = p.info.packageName; 9446 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 9447 if (chatty) { 9448 if (r == null) { 9449 r = new StringBuilder(256); 9450 } else { 9451 r.append(' '); 9452 } 9453 r.append(p.info.name); 9454 } 9455 } else { 9456 Slog.w(TAG, "Permission " + p.info.name + " from package " 9457 + p.info.packageName + " ignored: base tree " 9458 + tree.name + " is from package " 9459 + tree.sourcePackage); 9460 } 9461 } else { 9462 Slog.w(TAG, "Permission " + p.info.name + " from package " 9463 + p.info.packageName + " ignored: original from " 9464 + bp.sourcePackage); 9465 } 9466 } else if (chatty) { 9467 if (r == null) { 9468 r = new StringBuilder(256); 9469 } else { 9470 r.append(' '); 9471 } 9472 r.append("DUP:"); 9473 r.append(p.info.name); 9474 } 9475 if (bp.perm == p) { 9476 bp.protectionLevel = p.info.protectionLevel; 9477 } 9478 } 9479 9480 if (r != null) { 9481 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 9482 } 9483 9484 N = pkg.instrumentation.size(); 9485 r = null; 9486 for (i=0; i<N; i++) { 9487 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9488 a.info.packageName = pkg.applicationInfo.packageName; 9489 a.info.sourceDir = pkg.applicationInfo.sourceDir; 9490 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 9491 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 9492 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 9493 a.info.dataDir = pkg.applicationInfo.dataDir; 9494 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 9495 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 9496 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 9497 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 9498 mInstrumentation.put(a.getComponentName(), a); 9499 if (chatty) { 9500 if (r == null) { 9501 r = new StringBuilder(256); 9502 } else { 9503 r.append(' '); 9504 } 9505 r.append(a.info.name); 9506 } 9507 } 9508 if (r != null) { 9509 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 9510 } 9511 9512 if (pkg.protectedBroadcasts != null) { 9513 N = pkg.protectedBroadcasts.size(); 9514 for (i=0; i<N; i++) { 9515 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 9516 } 9517 } 9518 9519 // Create idmap files for pairs of (packages, overlay packages). 9520 // Note: "android", ie framework-res.apk, is handled by native layers. 9521 if (pkg.mOverlayTarget != null) { 9522 // This is an overlay package. 9523 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 9524 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 9525 mOverlays.put(pkg.mOverlayTarget, 9526 new ArrayMap<String, PackageParser.Package>()); 9527 } 9528 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 9529 map.put(pkg.packageName, pkg); 9530 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 9531 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 9532 createIdmapFailed = true; 9533 } 9534 } 9535 } else if (mOverlays.containsKey(pkg.packageName) && 9536 !pkg.packageName.equals("android")) { 9537 // This is a regular package, with one or more known overlay packages. 9538 createIdmapsForPackageLI(pkg); 9539 } 9540 } 9541 9542 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9543 9544 if (createIdmapFailed) { 9545 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9546 "scanPackageLI failed to createIdmap"); 9547 } 9548 } 9549 9550 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9551 PackageParser.Package update, int[] userIds) { 9552 if (existing.applicationInfo == null || update.applicationInfo == null) { 9553 // This isn't due to an app installation. 9554 return; 9555 } 9556 9557 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9558 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9559 9560 // The codePath hasn't changed, so there's nothing for us to do. 9561 if (Objects.equals(oldCodePath, newCodePath)) { 9562 return; 9563 } 9564 9565 File canonicalNewCodePath; 9566 try { 9567 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9568 } catch (IOException e) { 9569 Slog.w(TAG, "Failed to get canonical path.", e); 9570 return; 9571 } 9572 9573 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9574 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9575 // that the last component of the path (i.e, the name) doesn't need canonicalization 9576 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9577 // but may change in the future. Hopefully this function won't exist at that point. 9578 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9579 oldCodePath.getName()); 9580 9581 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9582 // with "@". 9583 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9584 if (!oldMarkerPrefix.endsWith("@")) { 9585 oldMarkerPrefix += "@"; 9586 } 9587 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9588 if (!newMarkerPrefix.endsWith("@")) { 9589 newMarkerPrefix += "@"; 9590 } 9591 9592 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9593 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9594 for (String updatedPath : updatedPaths) { 9595 String updatedPathName = new File(updatedPath).getName(); 9596 markerSuffixes.add(updatedPathName.replace('/', '@')); 9597 } 9598 9599 for (int userId : userIds) { 9600 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9601 9602 for (String markerSuffix : markerSuffixes) { 9603 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9604 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9605 if (oldForeignUseMark.exists()) { 9606 try { 9607 Os.rename(oldForeignUseMark.getAbsolutePath(), 9608 newForeignUseMark.getAbsolutePath()); 9609 } catch (ErrnoException e) { 9610 Slog.w(TAG, "Failed to rename foreign use marker", e); 9611 oldForeignUseMark.delete(); 9612 } 9613 } 9614 } 9615 } 9616 } 9617 9618 /** 9619 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9620 * is derived purely on the basis of the contents of {@code scanFile} and 9621 * {@code cpuAbiOverride}. 9622 * 9623 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9624 */ 9625 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9626 String cpuAbiOverride, boolean extractLibs, 9627 File appLib32InstallDir) 9628 throws PackageManagerException { 9629 // Give ourselves some initial paths; we'll come back for another 9630 // pass once we've determined ABI below. 9631 setNativeLibraryPaths(pkg, appLib32InstallDir); 9632 9633 // We would never need to extract libs for forward-locked and external packages, 9634 // since the container service will do it for us. We shouldn't attempt to 9635 // extract libs from system app when it was not updated. 9636 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9637 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9638 extractLibs = false; 9639 } 9640 9641 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9642 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9643 9644 NativeLibraryHelper.Handle handle = null; 9645 try { 9646 handle = NativeLibraryHelper.Handle.create(pkg); 9647 // TODO(multiArch): This can be null for apps that didn't go through the 9648 // usual installation process. We can calculate it again, like we 9649 // do during install time. 9650 // 9651 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9652 // unnecessary. 9653 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9654 9655 // Null out the abis so that they can be recalculated. 9656 pkg.applicationInfo.primaryCpuAbi = null; 9657 pkg.applicationInfo.secondaryCpuAbi = null; 9658 if (isMultiArch(pkg.applicationInfo)) { 9659 // Warn if we've set an abiOverride for multi-lib packages.. 9660 // By definition, we need to copy both 32 and 64 bit libraries for 9661 // such packages. 9662 if (pkg.cpuAbiOverride != null 9663 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9664 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9665 } 9666 9667 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9668 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9669 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9670 if (extractLibs) { 9671 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9672 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9673 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9674 useIsaSpecificSubdirs); 9675 } else { 9676 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9677 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9678 } 9679 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9680 } 9681 9682 maybeThrowExceptionForMultiArchCopy( 9683 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9684 9685 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9686 if (extractLibs) { 9687 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9688 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9689 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9690 useIsaSpecificSubdirs); 9691 } else { 9692 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9693 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9694 } 9695 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9696 } 9697 9698 maybeThrowExceptionForMultiArchCopy( 9699 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9700 9701 if (abi64 >= 0) { 9702 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9703 } 9704 9705 if (abi32 >= 0) { 9706 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9707 if (abi64 >= 0) { 9708 if (pkg.use32bitAbi) { 9709 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9710 pkg.applicationInfo.primaryCpuAbi = abi; 9711 } else { 9712 pkg.applicationInfo.secondaryCpuAbi = abi; 9713 } 9714 } else { 9715 pkg.applicationInfo.primaryCpuAbi = abi; 9716 } 9717 } 9718 9719 } else { 9720 String[] abiList = (cpuAbiOverride != null) ? 9721 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9722 9723 // Enable gross and lame hacks for apps that are built with old 9724 // SDK tools. We must scan their APKs for renderscript bitcode and 9725 // not launch them if it's present. Don't bother checking on devices 9726 // that don't have 64 bit support. 9727 boolean needsRenderScriptOverride = false; 9728 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9729 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9730 abiList = Build.SUPPORTED_32_BIT_ABIS; 9731 needsRenderScriptOverride = true; 9732 } 9733 9734 final int copyRet; 9735 if (extractLibs) { 9736 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 9737 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9738 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9739 } else { 9740 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 9741 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9742 } 9743 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9744 9745 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9746 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9747 "Error unpackaging native libs for app, errorCode=" + copyRet); 9748 } 9749 9750 if (copyRet >= 0) { 9751 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9752 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9753 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9754 } else if (needsRenderScriptOverride) { 9755 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9756 } 9757 } 9758 } catch (IOException ioe) { 9759 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9760 } finally { 9761 IoUtils.closeQuietly(handle); 9762 } 9763 9764 // Now that we've calculated the ABIs and determined if it's an internal app, 9765 // we will go ahead and populate the nativeLibraryPath. 9766 setNativeLibraryPaths(pkg, appLib32InstallDir); 9767 } 9768 9769 /** 9770 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9771 * i.e, so that all packages can be run inside a single process if required. 9772 * 9773 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9774 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9775 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9776 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9777 * updating a package that belongs to a shared user. 9778 * 9779 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9780 * adds unnecessary complexity. 9781 */ 9782 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9783 PackageParser.Package scannedPackage) { 9784 String requiredInstructionSet = null; 9785 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9786 requiredInstructionSet = VMRuntime.getInstructionSet( 9787 scannedPackage.applicationInfo.primaryCpuAbi); 9788 } 9789 9790 PackageSetting requirer = null; 9791 for (PackageSetting ps : packagesForUser) { 9792 // If packagesForUser contains scannedPackage, we skip it. This will happen 9793 // when scannedPackage is an update of an existing package. Without this check, 9794 // we will never be able to change the ABI of any package belonging to a shared 9795 // user, even if it's compatible with other packages. 9796 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9797 if (ps.primaryCpuAbiString == null) { 9798 continue; 9799 } 9800 9801 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9802 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9803 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9804 // this but there's not much we can do. 9805 String errorMessage = "Instruction set mismatch, " 9806 + ((requirer == null) ? "[caller]" : requirer) 9807 + " requires " + requiredInstructionSet + " whereas " + ps 9808 + " requires " + instructionSet; 9809 Slog.w(TAG, errorMessage); 9810 } 9811 9812 if (requiredInstructionSet == null) { 9813 requiredInstructionSet = instructionSet; 9814 requirer = ps; 9815 } 9816 } 9817 } 9818 9819 if (requiredInstructionSet != null) { 9820 String adjustedAbi; 9821 if (requirer != null) { 9822 // requirer != null implies that either scannedPackage was null or that scannedPackage 9823 // did not require an ABI, in which case we have to adjust scannedPackage to match 9824 // the ABI of the set (which is the same as requirer's ABI) 9825 adjustedAbi = requirer.primaryCpuAbiString; 9826 if (scannedPackage != null) { 9827 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9828 } 9829 } else { 9830 // requirer == null implies that we're updating all ABIs in the set to 9831 // match scannedPackage. 9832 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9833 } 9834 9835 for (PackageSetting ps : packagesForUser) { 9836 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9837 if (ps.primaryCpuAbiString != null) { 9838 continue; 9839 } 9840 9841 ps.primaryCpuAbiString = adjustedAbi; 9842 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9843 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9844 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9845 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9846 + " (requirer=" 9847 + (requirer == null ? "null" : requirer.pkg.packageName) 9848 + ", scannedPackage=" 9849 + (scannedPackage != null ? scannedPackage.packageName : "null") 9850 + ")"); 9851 try { 9852 mInstaller.rmdex(ps.codePathString, 9853 getDexCodeInstructionSet(getPreferredInstructionSet())); 9854 } catch (InstallerException ignored) { 9855 } 9856 } 9857 } 9858 } 9859 } 9860 } 9861 9862 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9863 synchronized (mPackages) { 9864 mResolverReplaced = true; 9865 // Set up information for custom user intent resolution activity. 9866 mResolveActivity.applicationInfo = pkg.applicationInfo; 9867 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9868 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9869 mResolveActivity.processName = pkg.applicationInfo.packageName; 9870 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9871 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9872 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9873 mResolveActivity.theme = 0; 9874 mResolveActivity.exported = true; 9875 mResolveActivity.enabled = true; 9876 mResolveInfo.activityInfo = mResolveActivity; 9877 mResolveInfo.priority = 0; 9878 mResolveInfo.preferredOrder = 0; 9879 mResolveInfo.match = 0; 9880 mResolveComponentName = mCustomResolverComponentName; 9881 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9882 mResolveComponentName); 9883 } 9884 } 9885 9886 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9887 if (installerComponent == null) { 9888 if (DEBUG_EPHEMERAL) { 9889 Slog.d(TAG, "Clear ephemeral installer activity"); 9890 } 9891 mEphemeralInstallerActivity.applicationInfo = null; 9892 return; 9893 } 9894 9895 if (DEBUG_EPHEMERAL) { 9896 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 9897 } 9898 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9899 // Set up information for ephemeral installer activity 9900 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9901 mEphemeralInstallerActivity.name = installerComponent.getClassName(); 9902 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9903 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9904 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9905 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 9906 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9907 mEphemeralInstallerActivity.theme = 0; 9908 mEphemeralInstallerActivity.exported = true; 9909 mEphemeralInstallerActivity.enabled = true; 9910 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9911 mEphemeralInstallerInfo.priority = 0; 9912 mEphemeralInstallerInfo.preferredOrder = 1; 9913 mEphemeralInstallerInfo.isDefault = true; 9914 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 9915 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 9916 } 9917 9918 private static String calculateBundledApkRoot(final String codePathString) { 9919 final File codePath = new File(codePathString); 9920 final File codeRoot; 9921 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9922 codeRoot = Environment.getRootDirectory(); 9923 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9924 codeRoot = Environment.getOemDirectory(); 9925 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9926 codeRoot = Environment.getVendorDirectory(); 9927 } else { 9928 // Unrecognized code path; take its top real segment as the apk root: 9929 // e.g. /something/app/blah.apk => /something 9930 try { 9931 File f = codePath.getCanonicalFile(); 9932 File parent = f.getParentFile(); // non-null because codePath is a file 9933 File tmp; 9934 while ((tmp = parent.getParentFile()) != null) { 9935 f = parent; 9936 parent = tmp; 9937 } 9938 codeRoot = f; 9939 Slog.w(TAG, "Unrecognized code path " 9940 + codePath + " - using " + codeRoot); 9941 } catch (IOException e) { 9942 // Can't canonicalize the code path -- shenanigans? 9943 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9944 return Environment.getRootDirectory().getPath(); 9945 } 9946 } 9947 return codeRoot.getPath(); 9948 } 9949 9950 /** 9951 * Derive and set the location of native libraries for the given package, 9952 * which varies depending on where and how the package was installed. 9953 */ 9954 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 9955 final ApplicationInfo info = pkg.applicationInfo; 9956 final String codePath = pkg.codePath; 9957 final File codeFile = new File(codePath); 9958 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9959 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9960 9961 info.nativeLibraryRootDir = null; 9962 info.nativeLibraryRootRequiresIsa = false; 9963 info.nativeLibraryDir = null; 9964 info.secondaryNativeLibraryDir = null; 9965 9966 if (isApkFile(codeFile)) { 9967 // Monolithic install 9968 if (bundledApp) { 9969 // If "/system/lib64/apkname" exists, assume that is the per-package 9970 // native library directory to use; otherwise use "/system/lib/apkname". 9971 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9972 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9973 getPrimaryInstructionSet(info)); 9974 9975 // This is a bundled system app so choose the path based on the ABI. 9976 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9977 // is just the default path. 9978 final String apkName = deriveCodePathName(codePath); 9979 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9980 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9981 apkName).getAbsolutePath(); 9982 9983 if (info.secondaryCpuAbi != null) { 9984 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9985 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9986 secondaryLibDir, apkName).getAbsolutePath(); 9987 } 9988 } else if (asecApp) { 9989 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9990 .getAbsolutePath(); 9991 } else { 9992 final String apkName = deriveCodePathName(codePath); 9993 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 9994 .getAbsolutePath(); 9995 } 9996 9997 info.nativeLibraryRootRequiresIsa = false; 9998 info.nativeLibraryDir = info.nativeLibraryRootDir; 9999 } else { 10000 // Cluster install 10001 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10002 info.nativeLibraryRootRequiresIsa = true; 10003 10004 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10005 getPrimaryInstructionSet(info)).getAbsolutePath(); 10006 10007 if (info.secondaryCpuAbi != null) { 10008 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10009 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10010 } 10011 } 10012 } 10013 10014 /** 10015 * Calculate the abis and roots for a bundled app. These can uniquely 10016 * be determined from the contents of the system partition, i.e whether 10017 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10018 * of this information, and instead assume that the system was built 10019 * sensibly. 10020 */ 10021 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10022 PackageSetting pkgSetting) { 10023 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10024 10025 // If "/system/lib64/apkname" exists, assume that is the per-package 10026 // native library directory to use; otherwise use "/system/lib/apkname". 10027 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10028 setBundledAppAbi(pkg, apkRoot, apkName); 10029 // pkgSetting might be null during rescan following uninstall of updates 10030 // to a bundled app, so accommodate that possibility. The settings in 10031 // that case will be established later from the parsed package. 10032 // 10033 // If the settings aren't null, sync them up with what we've just derived. 10034 // note that apkRoot isn't stored in the package settings. 10035 if (pkgSetting != null) { 10036 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10037 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10038 } 10039 } 10040 10041 /** 10042 * Deduces the ABI of a bundled app and sets the relevant fields on the 10043 * parsed pkg object. 10044 * 10045 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10046 * under which system libraries are installed. 10047 * @param apkName the name of the installed package. 10048 */ 10049 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10050 final File codeFile = new File(pkg.codePath); 10051 10052 final boolean has64BitLibs; 10053 final boolean has32BitLibs; 10054 if (isApkFile(codeFile)) { 10055 // Monolithic install 10056 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10057 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10058 } else { 10059 // Cluster install 10060 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10061 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10062 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10063 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10064 has64BitLibs = (new File(rootDir, isa)).exists(); 10065 } else { 10066 has64BitLibs = false; 10067 } 10068 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10069 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10070 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10071 has32BitLibs = (new File(rootDir, isa)).exists(); 10072 } else { 10073 has32BitLibs = false; 10074 } 10075 } 10076 10077 if (has64BitLibs && !has32BitLibs) { 10078 // The package has 64 bit libs, but not 32 bit libs. Its primary 10079 // ABI should be 64 bit. We can safely assume here that the bundled 10080 // native libraries correspond to the most preferred ABI in the list. 10081 10082 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10083 pkg.applicationInfo.secondaryCpuAbi = null; 10084 } else if (has32BitLibs && !has64BitLibs) { 10085 // The package has 32 bit libs but not 64 bit libs. Its primary 10086 // ABI should be 32 bit. 10087 10088 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10089 pkg.applicationInfo.secondaryCpuAbi = null; 10090 } else if (has32BitLibs && has64BitLibs) { 10091 // The application has both 64 and 32 bit bundled libraries. We check 10092 // here that the app declares multiArch support, and warn if it doesn't. 10093 // 10094 // We will be lenient here and record both ABIs. The primary will be the 10095 // ABI that's higher on the list, i.e, a device that's configured to prefer 10096 // 64 bit apps will see a 64 bit primary ABI, 10097 10098 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10099 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10100 } 10101 10102 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10103 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10104 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10105 } else { 10106 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10107 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10108 } 10109 } else { 10110 pkg.applicationInfo.primaryCpuAbi = null; 10111 pkg.applicationInfo.secondaryCpuAbi = null; 10112 } 10113 } 10114 10115 private void killApplication(String pkgName, int appId, String reason) { 10116 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10117 } 10118 10119 private void killApplication(String pkgName, int appId, int userId, String reason) { 10120 // Request the ActivityManager to kill the process(only for existing packages) 10121 // so that we do not end up in a confused state while the user is still using the older 10122 // version of the application while the new one gets installed. 10123 final long token = Binder.clearCallingIdentity(); 10124 try { 10125 IActivityManager am = ActivityManager.getService(); 10126 if (am != null) { 10127 try { 10128 am.killApplication(pkgName, appId, userId, reason); 10129 } catch (RemoteException e) { 10130 } 10131 } 10132 } finally { 10133 Binder.restoreCallingIdentity(token); 10134 } 10135 } 10136 10137 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10138 // Remove the parent package setting 10139 PackageSetting ps = (PackageSetting) pkg.mExtras; 10140 if (ps != null) { 10141 removePackageLI(ps, chatty); 10142 } 10143 // Remove the child package setting 10144 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10145 for (int i = 0; i < childCount; i++) { 10146 PackageParser.Package childPkg = pkg.childPackages.get(i); 10147 ps = (PackageSetting) childPkg.mExtras; 10148 if (ps != null) { 10149 removePackageLI(ps, chatty); 10150 } 10151 } 10152 } 10153 10154 void removePackageLI(PackageSetting ps, boolean chatty) { 10155 if (DEBUG_INSTALL) { 10156 if (chatty) 10157 Log.d(TAG, "Removing package " + ps.name); 10158 } 10159 10160 // writer 10161 synchronized (mPackages) { 10162 mPackages.remove(ps.name); 10163 final PackageParser.Package pkg = ps.pkg; 10164 if (pkg != null) { 10165 cleanPackageDataStructuresLILPw(pkg, chatty); 10166 } 10167 } 10168 } 10169 10170 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10171 if (DEBUG_INSTALL) { 10172 if (chatty) 10173 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10174 } 10175 10176 // writer 10177 synchronized (mPackages) { 10178 // Remove the parent package 10179 mPackages.remove(pkg.applicationInfo.packageName); 10180 cleanPackageDataStructuresLILPw(pkg, chatty); 10181 10182 // Remove the child packages 10183 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10184 for (int i = 0; i < childCount; i++) { 10185 PackageParser.Package childPkg = pkg.childPackages.get(i); 10186 mPackages.remove(childPkg.applicationInfo.packageName); 10187 cleanPackageDataStructuresLILPw(childPkg, chatty); 10188 } 10189 } 10190 } 10191 10192 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10193 int N = pkg.providers.size(); 10194 StringBuilder r = null; 10195 int i; 10196 for (i=0; i<N; i++) { 10197 PackageParser.Provider p = pkg.providers.get(i); 10198 mProviders.removeProvider(p); 10199 if (p.info.authority == null) { 10200 10201 /* There was another ContentProvider with this authority when 10202 * this app was installed so this authority is null, 10203 * Ignore it as we don't have to unregister the provider. 10204 */ 10205 continue; 10206 } 10207 String names[] = p.info.authority.split(";"); 10208 for (int j = 0; j < names.length; j++) { 10209 if (mProvidersByAuthority.get(names[j]) == p) { 10210 mProvidersByAuthority.remove(names[j]); 10211 if (DEBUG_REMOVE) { 10212 if (chatty) 10213 Log.d(TAG, "Unregistered content provider: " + names[j] 10214 + ", className = " + p.info.name + ", isSyncable = " 10215 + p.info.isSyncable); 10216 } 10217 } 10218 } 10219 if (DEBUG_REMOVE && chatty) { 10220 if (r == null) { 10221 r = new StringBuilder(256); 10222 } else { 10223 r.append(' '); 10224 } 10225 r.append(p.info.name); 10226 } 10227 } 10228 if (r != null) { 10229 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10230 } 10231 10232 N = pkg.services.size(); 10233 r = null; 10234 for (i=0; i<N; i++) { 10235 PackageParser.Service s = pkg.services.get(i); 10236 mServices.removeService(s); 10237 if (chatty) { 10238 if (r == null) { 10239 r = new StringBuilder(256); 10240 } else { 10241 r.append(' '); 10242 } 10243 r.append(s.info.name); 10244 } 10245 } 10246 if (r != null) { 10247 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10248 } 10249 10250 N = pkg.receivers.size(); 10251 r = null; 10252 for (i=0; i<N; i++) { 10253 PackageParser.Activity a = pkg.receivers.get(i); 10254 mReceivers.removeActivity(a, "receiver"); 10255 if (DEBUG_REMOVE && chatty) { 10256 if (r == null) { 10257 r = new StringBuilder(256); 10258 } else { 10259 r.append(' '); 10260 } 10261 r.append(a.info.name); 10262 } 10263 } 10264 if (r != null) { 10265 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10266 } 10267 10268 N = pkg.activities.size(); 10269 r = null; 10270 for (i=0; i<N; i++) { 10271 PackageParser.Activity a = pkg.activities.get(i); 10272 mActivities.removeActivity(a, "activity"); 10273 if (DEBUG_REMOVE && chatty) { 10274 if (r == null) { 10275 r = new StringBuilder(256); 10276 } else { 10277 r.append(' '); 10278 } 10279 r.append(a.info.name); 10280 } 10281 } 10282 if (r != null) { 10283 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 10284 } 10285 10286 N = pkg.permissions.size(); 10287 r = null; 10288 for (i=0; i<N; i++) { 10289 PackageParser.Permission p = pkg.permissions.get(i); 10290 BasePermission bp = mSettings.mPermissions.get(p.info.name); 10291 if (bp == null) { 10292 bp = mSettings.mPermissionTrees.get(p.info.name); 10293 } 10294 if (bp != null && bp.perm == p) { 10295 bp.perm = null; 10296 if (DEBUG_REMOVE && chatty) { 10297 if (r == null) { 10298 r = new StringBuilder(256); 10299 } else { 10300 r.append(' '); 10301 } 10302 r.append(p.info.name); 10303 } 10304 } 10305 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10306 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 10307 if (appOpPkgs != null) { 10308 appOpPkgs.remove(pkg.packageName); 10309 } 10310 } 10311 } 10312 if (r != null) { 10313 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10314 } 10315 10316 N = pkg.requestedPermissions.size(); 10317 r = null; 10318 for (i=0; i<N; i++) { 10319 String perm = pkg.requestedPermissions.get(i); 10320 BasePermission bp = mSettings.mPermissions.get(perm); 10321 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10322 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 10323 if (appOpPkgs != null) { 10324 appOpPkgs.remove(pkg.packageName); 10325 if (appOpPkgs.isEmpty()) { 10326 mAppOpPermissionPackages.remove(perm); 10327 } 10328 } 10329 } 10330 } 10331 if (r != null) { 10332 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10333 } 10334 10335 N = pkg.instrumentation.size(); 10336 r = null; 10337 for (i=0; i<N; i++) { 10338 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10339 mInstrumentation.remove(a.getComponentName()); 10340 if (DEBUG_REMOVE && chatty) { 10341 if (r == null) { 10342 r = new StringBuilder(256); 10343 } else { 10344 r.append(' '); 10345 } 10346 r.append(a.info.name); 10347 } 10348 } 10349 if (r != null) { 10350 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 10351 } 10352 10353 r = null; 10354 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 10355 // Only system apps can hold shared libraries. 10356 if (pkg.libraryNames != null) { 10357 for (i=0; i<pkg.libraryNames.size(); i++) { 10358 String name = pkg.libraryNames.get(i); 10359 SharedLibraryEntry cur = mSharedLibraries.get(name); 10360 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 10361 mSharedLibraries.remove(name); 10362 if (DEBUG_REMOVE && chatty) { 10363 if (r == null) { 10364 r = new StringBuilder(256); 10365 } else { 10366 r.append(' '); 10367 } 10368 r.append(name); 10369 } 10370 } 10371 } 10372 } 10373 } 10374 if (r != null) { 10375 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 10376 } 10377 } 10378 10379 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 10380 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 10381 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 10382 return true; 10383 } 10384 } 10385 return false; 10386 } 10387 10388 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 10389 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 10390 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 10391 10392 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 10393 // Update the parent permissions 10394 updatePermissionsLPw(pkg.packageName, pkg, flags); 10395 // Update the child permissions 10396 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10397 for (int i = 0; i < childCount; i++) { 10398 PackageParser.Package childPkg = pkg.childPackages.get(i); 10399 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 10400 } 10401 } 10402 10403 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 10404 int flags) { 10405 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 10406 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 10407 } 10408 10409 private void updatePermissionsLPw(String changingPkg, 10410 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 10411 // Make sure there are no dangling permission trees. 10412 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 10413 while (it.hasNext()) { 10414 final BasePermission bp = it.next(); 10415 if (bp.packageSetting == null) { 10416 // We may not yet have parsed the package, so just see if 10417 // we still know about its settings. 10418 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10419 } 10420 if (bp.packageSetting == null) { 10421 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 10422 + " from package " + bp.sourcePackage); 10423 it.remove(); 10424 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10425 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10426 Slog.i(TAG, "Removing old permission tree: " + bp.name 10427 + " from package " + bp.sourcePackage); 10428 flags |= UPDATE_PERMISSIONS_ALL; 10429 it.remove(); 10430 } 10431 } 10432 } 10433 10434 // Make sure all dynamic permissions have been assigned to a package, 10435 // and make sure there are no dangling permissions. 10436 it = mSettings.mPermissions.values().iterator(); 10437 while (it.hasNext()) { 10438 final BasePermission bp = it.next(); 10439 if (bp.type == BasePermission.TYPE_DYNAMIC) { 10440 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 10441 + bp.name + " pkg=" + bp.sourcePackage 10442 + " info=" + bp.pendingInfo); 10443 if (bp.packageSetting == null && bp.pendingInfo != null) { 10444 final BasePermission tree = findPermissionTreeLP(bp.name); 10445 if (tree != null && tree.perm != null) { 10446 bp.packageSetting = tree.packageSetting; 10447 bp.perm = new PackageParser.Permission(tree.perm.owner, 10448 new PermissionInfo(bp.pendingInfo)); 10449 bp.perm.info.packageName = tree.perm.info.packageName; 10450 bp.perm.info.name = bp.name; 10451 bp.uid = tree.uid; 10452 } 10453 } 10454 } 10455 if (bp.packageSetting == null) { 10456 // We may not yet have parsed the package, so just see if 10457 // we still know about its settings. 10458 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 10459 } 10460 if (bp.packageSetting == null) { 10461 Slog.w(TAG, "Removing dangling permission: " + bp.name 10462 + " from package " + bp.sourcePackage); 10463 it.remove(); 10464 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 10465 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 10466 Slog.i(TAG, "Removing old permission: " + bp.name 10467 + " from package " + bp.sourcePackage); 10468 flags |= UPDATE_PERMISSIONS_ALL; 10469 it.remove(); 10470 } 10471 } 10472 } 10473 10474 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 10475 // Now update the permissions for all packages, in particular 10476 // replace the granted permissions of the system packages. 10477 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 10478 for (PackageParser.Package pkg : mPackages.values()) { 10479 if (pkg != pkgInfo) { 10480 // Only replace for packages on requested volume 10481 final String volumeUuid = getVolumeUuidForPackage(pkg); 10482 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 10483 && Objects.equals(replaceVolumeUuid, volumeUuid); 10484 grantPermissionsLPw(pkg, replace, changingPkg); 10485 } 10486 } 10487 } 10488 10489 if (pkgInfo != null) { 10490 // Only replace for packages on requested volume 10491 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 10492 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 10493 && Objects.equals(replaceVolumeUuid, volumeUuid); 10494 grantPermissionsLPw(pkgInfo, replace, changingPkg); 10495 } 10496 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10497 } 10498 10499 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 10500 String packageOfInterest) { 10501 // IMPORTANT: There are two types of permissions: install and runtime. 10502 // Install time permissions are granted when the app is installed to 10503 // all device users and users added in the future. Runtime permissions 10504 // are granted at runtime explicitly to specific users. Normal and signature 10505 // protected permissions are install time permissions. Dangerous permissions 10506 // are install permissions if the app's target SDK is Lollipop MR1 or older, 10507 // otherwise they are runtime permissions. This function does not manage 10508 // runtime permissions except for the case an app targeting Lollipop MR1 10509 // being upgraded to target a newer SDK, in which case dangerous permissions 10510 // are transformed from install time to runtime ones. 10511 10512 final PackageSetting ps = (PackageSetting) pkg.mExtras; 10513 if (ps == null) { 10514 return; 10515 } 10516 10517 PermissionsState permissionsState = ps.getPermissionsState(); 10518 PermissionsState origPermissions = permissionsState; 10519 10520 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 10521 10522 boolean runtimePermissionsRevoked = false; 10523 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 10524 10525 boolean changedInstallPermission = false; 10526 10527 if (replace) { 10528 ps.installPermissionsFixed = false; 10529 if (!ps.isSharedUser()) { 10530 origPermissions = new PermissionsState(permissionsState); 10531 permissionsState.reset(); 10532 } else { 10533 // We need to know only about runtime permission changes since the 10534 // calling code always writes the install permissions state but 10535 // the runtime ones are written only if changed. The only cases of 10536 // changed runtime permissions here are promotion of an install to 10537 // runtime and revocation of a runtime from a shared user. 10538 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 10539 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 10540 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 10541 runtimePermissionsRevoked = true; 10542 } 10543 } 10544 } 10545 10546 permissionsState.setGlobalGids(mGlobalGids); 10547 10548 final int N = pkg.requestedPermissions.size(); 10549 for (int i=0; i<N; i++) { 10550 final String name = pkg.requestedPermissions.get(i); 10551 final BasePermission bp = mSettings.mPermissions.get(name); 10552 10553 if (DEBUG_INSTALL) { 10554 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10555 } 10556 10557 if (bp == null || bp.packageSetting == null) { 10558 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10559 Slog.w(TAG, "Unknown permission " + name 10560 + " in package " + pkg.packageName); 10561 } 10562 continue; 10563 } 10564 10565 10566 // Limit ephemeral apps to ephemeral allowed permissions. 10567 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 10568 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 10569 + pkg.packageName); 10570 continue; 10571 } 10572 10573 final String perm = bp.name; 10574 boolean allowedSig = false; 10575 int grant = GRANT_DENIED; 10576 10577 // Keep track of app op permissions. 10578 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10579 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10580 if (pkgs == null) { 10581 pkgs = new ArraySet<>(); 10582 mAppOpPermissionPackages.put(bp.name, pkgs); 10583 } 10584 pkgs.add(pkg.packageName); 10585 } 10586 10587 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10588 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10589 >= Build.VERSION_CODES.M; 10590 switch (level) { 10591 case PermissionInfo.PROTECTION_NORMAL: { 10592 // For all apps normal permissions are install time ones. 10593 grant = GRANT_INSTALL; 10594 } break; 10595 10596 case PermissionInfo.PROTECTION_DANGEROUS: { 10597 // If a permission review is required for legacy apps we represent 10598 // their permissions as always granted runtime ones since we need 10599 // to keep the review required permission flag per user while an 10600 // install permission's state is shared across all users. 10601 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 10602 // For legacy apps dangerous permissions are install time ones. 10603 grant = GRANT_INSTALL; 10604 } else if (origPermissions.hasInstallPermission(bp.name)) { 10605 // For legacy apps that became modern, install becomes runtime. 10606 grant = GRANT_UPGRADE; 10607 } else if (mPromoteSystemApps 10608 && isSystemApp(ps) 10609 && mExistingSystemPackages.contains(ps.name)) { 10610 // For legacy system apps, install becomes runtime. 10611 // We cannot check hasInstallPermission() for system apps since those 10612 // permissions were granted implicitly and not persisted pre-M. 10613 grant = GRANT_UPGRADE; 10614 } else { 10615 // For modern apps keep runtime permissions unchanged. 10616 grant = GRANT_RUNTIME; 10617 } 10618 } break; 10619 10620 case PermissionInfo.PROTECTION_SIGNATURE: { 10621 // For all apps signature permissions are install time ones. 10622 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10623 if (allowedSig) { 10624 grant = GRANT_INSTALL; 10625 } 10626 } break; 10627 } 10628 10629 if (DEBUG_INSTALL) { 10630 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10631 } 10632 10633 if (grant != GRANT_DENIED) { 10634 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10635 // If this is an existing, non-system package, then 10636 // we can't add any new permissions to it. 10637 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10638 // Except... if this is a permission that was added 10639 // to the platform (note: need to only do this when 10640 // updating the platform). 10641 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10642 grant = GRANT_DENIED; 10643 } 10644 } 10645 } 10646 10647 switch (grant) { 10648 case GRANT_INSTALL: { 10649 // Revoke this as runtime permission to handle the case of 10650 // a runtime permission being downgraded to an install one. 10651 // Also in permission review mode we keep dangerous permissions 10652 // for legacy apps 10653 for (int userId : UserManagerService.getInstance().getUserIds()) { 10654 if (origPermissions.getRuntimePermissionState( 10655 bp.name, userId) != null) { 10656 // Revoke the runtime permission and clear the flags. 10657 origPermissions.revokeRuntimePermission(bp, userId); 10658 origPermissions.updatePermissionFlags(bp, userId, 10659 PackageManager.MASK_PERMISSION_FLAGS, 0); 10660 // If we revoked a permission permission, we have to write. 10661 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10662 changedRuntimePermissionUserIds, userId); 10663 } 10664 } 10665 // Grant an install permission. 10666 if (permissionsState.grantInstallPermission(bp) != 10667 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10668 changedInstallPermission = true; 10669 } 10670 } break; 10671 10672 case GRANT_RUNTIME: { 10673 // Grant previously granted runtime permissions. 10674 for (int userId : UserManagerService.getInstance().getUserIds()) { 10675 PermissionState permissionState = origPermissions 10676 .getRuntimePermissionState(bp.name, userId); 10677 int flags = permissionState != null 10678 ? permissionState.getFlags() : 0; 10679 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10680 // Don't propagate the permission in a permission review mode if 10681 // the former was revoked, i.e. marked to not propagate on upgrade. 10682 // Note that in a permission review mode install permissions are 10683 // represented as constantly granted runtime ones since we need to 10684 // keep a per user state associated with the permission. Also the 10685 // revoke on upgrade flag is no longer applicable and is reset. 10686 final boolean revokeOnUpgrade = (flags & PackageManager 10687 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 10688 if (revokeOnUpgrade) { 10689 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 10690 // Since we changed the flags, we have to write. 10691 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10692 changedRuntimePermissionUserIds, userId); 10693 } 10694 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 10695 if (permissionsState.grantRuntimePermission(bp, userId) == 10696 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10697 // If we cannot put the permission as it was, 10698 // we have to write. 10699 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10700 changedRuntimePermissionUserIds, userId); 10701 } 10702 } 10703 10704 // If the app supports runtime permissions no need for a review. 10705 if (mPermissionReviewRequired 10706 && appSupportsRuntimePermissions 10707 && (flags & PackageManager 10708 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10709 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10710 // Since we changed the flags, we have to write. 10711 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10712 changedRuntimePermissionUserIds, userId); 10713 } 10714 } else if (mPermissionReviewRequired 10715 && !appSupportsRuntimePermissions) { 10716 // For legacy apps that need a permission review, every new 10717 // runtime permission is granted but it is pending a review. 10718 // We also need to review only platform defined runtime 10719 // permissions as these are the only ones the platform knows 10720 // how to disable the API to simulate revocation as legacy 10721 // apps don't expect to run with revoked permissions. 10722 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10723 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10724 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10725 // We changed the flags, hence have to write. 10726 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10727 changedRuntimePermissionUserIds, userId); 10728 } 10729 } 10730 if (permissionsState.grantRuntimePermission(bp, userId) 10731 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10732 // We changed the permission, hence have to write. 10733 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10734 changedRuntimePermissionUserIds, userId); 10735 } 10736 } 10737 // Propagate the permission flags. 10738 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10739 } 10740 } break; 10741 10742 case GRANT_UPGRADE: { 10743 // Grant runtime permissions for a previously held install permission. 10744 PermissionState permissionState = origPermissions 10745 .getInstallPermissionState(bp.name); 10746 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10747 10748 if (origPermissions.revokeInstallPermission(bp) 10749 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10750 // We will be transferring the permission flags, so clear them. 10751 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10752 PackageManager.MASK_PERMISSION_FLAGS, 0); 10753 changedInstallPermission = true; 10754 } 10755 10756 // If the permission is not to be promoted to runtime we ignore it and 10757 // also its other flags as they are not applicable to install permissions. 10758 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10759 for (int userId : currentUserIds) { 10760 if (permissionsState.grantRuntimePermission(bp, userId) != 10761 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10762 // Transfer the permission flags. 10763 permissionsState.updatePermissionFlags(bp, userId, 10764 flags, flags); 10765 // If we granted the permission, we have to write. 10766 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10767 changedRuntimePermissionUserIds, userId); 10768 } 10769 } 10770 } 10771 } break; 10772 10773 default: { 10774 if (packageOfInterest == null 10775 || packageOfInterest.equals(pkg.packageName)) { 10776 Slog.w(TAG, "Not granting permission " + perm 10777 + " to package " + pkg.packageName 10778 + " because it was previously installed without"); 10779 } 10780 } break; 10781 } 10782 } else { 10783 if (permissionsState.revokeInstallPermission(bp) != 10784 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10785 // Also drop the permission flags. 10786 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10787 PackageManager.MASK_PERMISSION_FLAGS, 0); 10788 changedInstallPermission = true; 10789 Slog.i(TAG, "Un-granting permission " + perm 10790 + " from package " + pkg.packageName 10791 + " (protectionLevel=" + bp.protectionLevel 10792 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10793 + ")"); 10794 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10795 // Don't print warning for app op permissions, since it is fine for them 10796 // not to be granted, there is a UI for the user to decide. 10797 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10798 Slog.w(TAG, "Not granting permission " + perm 10799 + " to package " + pkg.packageName 10800 + " (protectionLevel=" + bp.protectionLevel 10801 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10802 + ")"); 10803 } 10804 } 10805 } 10806 } 10807 10808 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10809 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10810 // This is the first that we have heard about this package, so the 10811 // permissions we have now selected are fixed until explicitly 10812 // changed. 10813 ps.installPermissionsFixed = true; 10814 } 10815 10816 // Persist the runtime permissions state for users with changes. If permissions 10817 // were revoked because no app in the shared user declares them we have to 10818 // write synchronously to avoid losing runtime permissions state. 10819 for (int userId : changedRuntimePermissionUserIds) { 10820 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10821 } 10822 } 10823 10824 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10825 boolean allowed = false; 10826 final int NP = PackageParser.NEW_PERMISSIONS.length; 10827 for (int ip=0; ip<NP; ip++) { 10828 final PackageParser.NewPermissionInfo npi 10829 = PackageParser.NEW_PERMISSIONS[ip]; 10830 if (npi.name.equals(perm) 10831 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10832 allowed = true; 10833 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10834 + pkg.packageName); 10835 break; 10836 } 10837 } 10838 return allowed; 10839 } 10840 10841 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10842 BasePermission bp, PermissionsState origPermissions) { 10843 boolean privilegedPermission = (bp.protectionLevel 10844 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 10845 boolean privappPermissionsDisable = 10846 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 10847 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 10848 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 10849 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 10850 && !platformPackage && platformPermission) { 10851 ArraySet<String> wlPermissions = SystemConfig.getInstance() 10852 .getPrivAppPermissions(pkg.packageName); 10853 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 10854 if (!whitelisted) { 10855 Slog.w(TAG, "Privileged permission " + perm + " for package " 10856 + pkg.packageName + " - not in privapp-permissions whitelist"); 10857 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 10858 return false; 10859 } 10860 } 10861 } 10862 boolean allowed = (compareSignatures( 10863 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10864 == PackageManager.SIGNATURE_MATCH) 10865 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10866 == PackageManager.SIGNATURE_MATCH); 10867 if (!allowed && privilegedPermission) { 10868 if (isSystemApp(pkg)) { 10869 // For updated system applications, a system permission 10870 // is granted only if it had been defined by the original application. 10871 if (pkg.isUpdatedSystemApp()) { 10872 final PackageSetting sysPs = mSettings 10873 .getDisabledSystemPkgLPr(pkg.packageName); 10874 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10875 // If the original was granted this permission, we take 10876 // that grant decision as read and propagate it to the 10877 // update. 10878 if (sysPs.isPrivileged()) { 10879 allowed = true; 10880 } 10881 } else { 10882 // The system apk may have been updated with an older 10883 // version of the one on the data partition, but which 10884 // granted a new system permission that it didn't have 10885 // before. In this case we do want to allow the app to 10886 // now get the new permission if the ancestral apk is 10887 // privileged to get it. 10888 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10889 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10890 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10891 allowed = true; 10892 break; 10893 } 10894 } 10895 } 10896 // Also if a privileged parent package on the system image or any of 10897 // its children requested a privileged permission, the updated child 10898 // packages can also get the permission. 10899 if (pkg.parentPackage != null) { 10900 final PackageSetting disabledSysParentPs = mSettings 10901 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10902 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10903 && disabledSysParentPs.isPrivileged()) { 10904 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10905 allowed = true; 10906 } else if (disabledSysParentPs.pkg.childPackages != null) { 10907 final int count = disabledSysParentPs.pkg.childPackages.size(); 10908 for (int i = 0; i < count; i++) { 10909 PackageParser.Package disabledSysChildPkg = 10910 disabledSysParentPs.pkg.childPackages.get(i); 10911 if (isPackageRequestingPermission(disabledSysChildPkg, 10912 perm)) { 10913 allowed = true; 10914 break; 10915 } 10916 } 10917 } 10918 } 10919 } 10920 } 10921 } else { 10922 allowed = isPrivilegedApp(pkg); 10923 } 10924 } 10925 } 10926 if (!allowed) { 10927 if (!allowed && (bp.protectionLevel 10928 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10929 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10930 // If this was a previously normal/dangerous permission that got moved 10931 // to a system permission as part of the runtime permission redesign, then 10932 // we still want to blindly grant it to old apps. 10933 allowed = true; 10934 } 10935 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10936 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10937 // If this permission is to be granted to the system installer and 10938 // this app is an installer, then it gets the permission. 10939 allowed = true; 10940 } 10941 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10942 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10943 // If this permission is to be granted to the system verifier and 10944 // this app is a verifier, then it gets the permission. 10945 allowed = true; 10946 } 10947 if (!allowed && (bp.protectionLevel 10948 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10949 && isSystemApp(pkg)) { 10950 // Any pre-installed system app is allowed to get this permission. 10951 allowed = true; 10952 } 10953 if (!allowed && (bp.protectionLevel 10954 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10955 // For development permissions, a development permission 10956 // is granted only if it was already granted. 10957 allowed = origPermissions.hasInstallPermission(perm); 10958 } 10959 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10960 && pkg.packageName.equals(mSetupWizardPackage)) { 10961 // If this permission is to be granted to the system setup wizard and 10962 // this app is a setup wizard, then it gets the permission. 10963 allowed = true; 10964 } 10965 } 10966 return allowed; 10967 } 10968 10969 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10970 final int permCount = pkg.requestedPermissions.size(); 10971 for (int j = 0; j < permCount; j++) { 10972 String requestedPermission = pkg.requestedPermissions.get(j); 10973 if (permission.equals(requestedPermission)) { 10974 return true; 10975 } 10976 } 10977 return false; 10978 } 10979 10980 final class ActivityIntentResolver 10981 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10982 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10983 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 10984 if (!sUserManager.exists(userId)) return null; 10985 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0) 10986 | (visibleToEphemeral ? PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY : 0) 10987 | (isEphemeral ? PackageManager.MATCH_EPHEMERAL : 0); 10988 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 10989 isEphemeral, userId); 10990 } 10991 10992 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10993 int userId) { 10994 if (!sUserManager.exists(userId)) return null; 10995 mFlags = flags; 10996 return super.queryIntent(intent, resolvedType, 10997 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 10998 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 10999 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11000 } 11001 11002 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11003 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11004 if (!sUserManager.exists(userId)) return null; 11005 if (packageActivities == null) { 11006 return null; 11007 } 11008 mFlags = flags; 11009 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11010 final boolean vislbleToEphemeral = 11011 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11012 final boolean isEphemeral = (flags & PackageManager.MATCH_EPHEMERAL) != 0; 11013 final int N = packageActivities.size(); 11014 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11015 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11016 11017 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11018 for (int i = 0; i < N; ++i) { 11019 intentFilters = packageActivities.get(i).intents; 11020 if (intentFilters != null && intentFilters.size() > 0) { 11021 PackageParser.ActivityIntentInfo[] array = 11022 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11023 intentFilters.toArray(array); 11024 listCut.add(array); 11025 } 11026 } 11027 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11028 vislbleToEphemeral, isEphemeral, listCut, userId); 11029 } 11030 11031 /** 11032 * Finds a privileged activity that matches the specified activity names. 11033 */ 11034 private PackageParser.Activity findMatchingActivity( 11035 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11036 for (PackageParser.Activity sysActivity : activityList) { 11037 if (sysActivity.info.name.equals(activityInfo.name)) { 11038 return sysActivity; 11039 } 11040 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11041 return sysActivity; 11042 } 11043 if (sysActivity.info.targetActivity != null) { 11044 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11045 return sysActivity; 11046 } 11047 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11048 return sysActivity; 11049 } 11050 } 11051 } 11052 return null; 11053 } 11054 11055 public class IterGenerator<E> { 11056 public Iterator<E> generate(ActivityIntentInfo info) { 11057 return null; 11058 } 11059 } 11060 11061 public class ActionIterGenerator extends IterGenerator<String> { 11062 @Override 11063 public Iterator<String> generate(ActivityIntentInfo info) { 11064 return info.actionsIterator(); 11065 } 11066 } 11067 11068 public class CategoriesIterGenerator extends IterGenerator<String> { 11069 @Override 11070 public Iterator<String> generate(ActivityIntentInfo info) { 11071 return info.categoriesIterator(); 11072 } 11073 } 11074 11075 public class SchemesIterGenerator extends IterGenerator<String> { 11076 @Override 11077 public Iterator<String> generate(ActivityIntentInfo info) { 11078 return info.schemesIterator(); 11079 } 11080 } 11081 11082 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11083 @Override 11084 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11085 return info.authoritiesIterator(); 11086 } 11087 } 11088 11089 /** 11090 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11091 * MODIFIED. Do not pass in a list that should not be changed. 11092 */ 11093 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11094 IterGenerator<T> generator, Iterator<T> searchIterator) { 11095 // loop through the set of actions; every one must be found in the intent filter 11096 while (searchIterator.hasNext()) { 11097 // we must have at least one filter in the list to consider a match 11098 if (intentList.size() == 0) { 11099 break; 11100 } 11101 11102 final T searchAction = searchIterator.next(); 11103 11104 // loop through the set of intent filters 11105 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11106 while (intentIter.hasNext()) { 11107 final ActivityIntentInfo intentInfo = intentIter.next(); 11108 boolean selectionFound = false; 11109 11110 // loop through the intent filter's selection criteria; at least one 11111 // of them must match the searched criteria 11112 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11113 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11114 final T intentSelection = intentSelectionIter.next(); 11115 if (intentSelection != null && intentSelection.equals(searchAction)) { 11116 selectionFound = true; 11117 break; 11118 } 11119 } 11120 11121 // the selection criteria wasn't found in this filter's set; this filter 11122 // is not a potential match 11123 if (!selectionFound) { 11124 intentIter.remove(); 11125 } 11126 } 11127 } 11128 } 11129 11130 private boolean isProtectedAction(ActivityIntentInfo filter) { 11131 final Iterator<String> actionsIter = filter.actionsIterator(); 11132 while (actionsIter != null && actionsIter.hasNext()) { 11133 final String filterAction = actionsIter.next(); 11134 if (PROTECTED_ACTIONS.contains(filterAction)) { 11135 return true; 11136 } 11137 } 11138 return false; 11139 } 11140 11141 /** 11142 * Adjusts the priority of the given intent filter according to policy. 11143 * <p> 11144 * <ul> 11145 * <li>The priority for non privileged applications is capped to '0'</li> 11146 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11147 * <li>The priority for unbundled updates to privileged applications is capped to the 11148 * priority defined on the system partition</li> 11149 * </ul> 11150 * <p> 11151 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11152 * allowed to obtain any priority on any action. 11153 */ 11154 private void adjustPriority( 11155 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11156 // nothing to do; priority is fine as-is 11157 if (intent.getPriority() <= 0) { 11158 return; 11159 } 11160 11161 final ActivityInfo activityInfo = intent.activity.info; 11162 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11163 11164 final boolean privilegedApp = 11165 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11166 if (!privilegedApp) { 11167 // non-privileged applications can never define a priority >0 11168 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11169 + " package: " + applicationInfo.packageName 11170 + " activity: " + intent.activity.className 11171 + " origPrio: " + intent.getPriority()); 11172 intent.setPriority(0); 11173 return; 11174 } 11175 11176 if (systemActivities == null) { 11177 // the system package is not disabled; we're parsing the system partition 11178 if (isProtectedAction(intent)) { 11179 if (mDeferProtectedFilters) { 11180 // We can't deal with these just yet. No component should ever obtain a 11181 // >0 priority for a protected actions, with ONE exception -- the setup 11182 // wizard. The setup wizard, however, cannot be known until we're able to 11183 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11184 // until all intent filters have been processed. Chicken, meet egg. 11185 // Let the filter temporarily have a high priority and rectify the 11186 // priorities after all system packages have been scanned. 11187 mProtectedFilters.add(intent); 11188 if (DEBUG_FILTERS) { 11189 Slog.i(TAG, "Protected action; save for later;" 11190 + " package: " + applicationInfo.packageName 11191 + " activity: " + intent.activity.className 11192 + " origPrio: " + intent.getPriority()); 11193 } 11194 return; 11195 } else { 11196 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11197 Slog.i(TAG, "No setup wizard;" 11198 + " All protected intents capped to priority 0"); 11199 } 11200 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11201 if (DEBUG_FILTERS) { 11202 Slog.i(TAG, "Found setup wizard;" 11203 + " allow priority " + intent.getPriority() + ";" 11204 + " package: " + intent.activity.info.packageName 11205 + " activity: " + intent.activity.className 11206 + " priority: " + intent.getPriority()); 11207 } 11208 // setup wizard gets whatever it wants 11209 return; 11210 } 11211 Slog.w(TAG, "Protected action; cap priority to 0;" 11212 + " package: " + intent.activity.info.packageName 11213 + " activity: " + intent.activity.className 11214 + " origPrio: " + intent.getPriority()); 11215 intent.setPriority(0); 11216 return; 11217 } 11218 } 11219 // privileged apps on the system image get whatever priority they request 11220 return; 11221 } 11222 11223 // privileged app unbundled update ... try to find the same activity 11224 final PackageParser.Activity foundActivity = 11225 findMatchingActivity(systemActivities, activityInfo); 11226 if (foundActivity == null) { 11227 // this is a new activity; it cannot obtain >0 priority 11228 if (DEBUG_FILTERS) { 11229 Slog.i(TAG, "New activity; cap priority to 0;" 11230 + " package: " + applicationInfo.packageName 11231 + " activity: " + intent.activity.className 11232 + " origPrio: " + intent.getPriority()); 11233 } 11234 intent.setPriority(0); 11235 return; 11236 } 11237 11238 // found activity, now check for filter equivalence 11239 11240 // a shallow copy is enough; we modify the list, not its contents 11241 final List<ActivityIntentInfo> intentListCopy = 11242 new ArrayList<>(foundActivity.intents); 11243 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11244 11245 // find matching action subsets 11246 final Iterator<String> actionsIterator = intent.actionsIterator(); 11247 if (actionsIterator != null) { 11248 getIntentListSubset( 11249 intentListCopy, new ActionIterGenerator(), actionsIterator); 11250 if (intentListCopy.size() == 0) { 11251 // no more intents to match; we're not equivalent 11252 if (DEBUG_FILTERS) { 11253 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11254 + " package: " + applicationInfo.packageName 11255 + " activity: " + intent.activity.className 11256 + " origPrio: " + intent.getPriority()); 11257 } 11258 intent.setPriority(0); 11259 return; 11260 } 11261 } 11262 11263 // find matching category subsets 11264 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 11265 if (categoriesIterator != null) { 11266 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 11267 categoriesIterator); 11268 if (intentListCopy.size() == 0) { 11269 // no more intents to match; we're not equivalent 11270 if (DEBUG_FILTERS) { 11271 Slog.i(TAG, "Mismatched category; 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 // find matching schemes subsets 11282 final Iterator<String> schemesIterator = intent.schemesIterator(); 11283 if (schemesIterator != null) { 11284 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 11285 schemesIterator); 11286 if (intentListCopy.size() == 0) { 11287 // no more intents to match; we're not equivalent 11288 if (DEBUG_FILTERS) { 11289 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 11290 + " package: " + applicationInfo.packageName 11291 + " activity: " + intent.activity.className 11292 + " origPrio: " + intent.getPriority()); 11293 } 11294 intent.setPriority(0); 11295 return; 11296 } 11297 } 11298 11299 // find matching authorities subsets 11300 final Iterator<IntentFilter.AuthorityEntry> 11301 authoritiesIterator = intent.authoritiesIterator(); 11302 if (authoritiesIterator != null) { 11303 getIntentListSubset(intentListCopy, 11304 new AuthoritiesIterGenerator(), 11305 authoritiesIterator); 11306 if (intentListCopy.size() == 0) { 11307 // no more intents to match; we're not equivalent 11308 if (DEBUG_FILTERS) { 11309 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 11310 + " package: " + applicationInfo.packageName 11311 + " activity: " + intent.activity.className 11312 + " origPrio: " + intent.getPriority()); 11313 } 11314 intent.setPriority(0); 11315 return; 11316 } 11317 } 11318 11319 // we found matching filter(s); app gets the max priority of all intents 11320 int cappedPriority = 0; 11321 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 11322 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 11323 } 11324 if (intent.getPriority() > cappedPriority) { 11325 if (DEBUG_FILTERS) { 11326 Slog.i(TAG, "Found matching filter(s);" 11327 + " cap priority to " + cappedPriority + ";" 11328 + " package: " + applicationInfo.packageName 11329 + " activity: " + intent.activity.className 11330 + " origPrio: " + intent.getPriority()); 11331 } 11332 intent.setPriority(cappedPriority); 11333 return; 11334 } 11335 // all this for nothing; the requested priority was <= what was on the system 11336 } 11337 11338 public final void addActivity(PackageParser.Activity a, String type) { 11339 mActivities.put(a.getComponentName(), a); 11340 if (DEBUG_SHOW_INFO) 11341 Log.v( 11342 TAG, " " + type + " " + 11343 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 11344 if (DEBUG_SHOW_INFO) 11345 Log.v(TAG, " Class=" + a.info.name); 11346 final int NI = a.intents.size(); 11347 for (int j=0; j<NI; j++) { 11348 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11349 if ("activity".equals(type)) { 11350 final PackageSetting ps = 11351 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 11352 final List<PackageParser.Activity> systemActivities = 11353 ps != null && ps.pkg != null ? ps.pkg.activities : null; 11354 adjustPriority(systemActivities, intent); 11355 } 11356 if (DEBUG_SHOW_INFO) { 11357 Log.v(TAG, " IntentFilter:"); 11358 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11359 } 11360 if (!intent.debugCheck()) { 11361 Log.w(TAG, "==> For Activity " + a.info.name); 11362 } 11363 addFilter(intent); 11364 } 11365 } 11366 11367 public final void removeActivity(PackageParser.Activity a, String type) { 11368 mActivities.remove(a.getComponentName()); 11369 if (DEBUG_SHOW_INFO) { 11370 Log.v(TAG, " " + type + " " 11371 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 11372 : a.info.name) + ":"); 11373 Log.v(TAG, " Class=" + a.info.name); 11374 } 11375 final int NI = a.intents.size(); 11376 for (int j=0; j<NI; j++) { 11377 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11378 if (DEBUG_SHOW_INFO) { 11379 Log.v(TAG, " IntentFilter:"); 11380 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11381 } 11382 removeFilter(intent); 11383 } 11384 } 11385 11386 @Override 11387 protected boolean allowFilterResult( 11388 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 11389 ActivityInfo filterAi = filter.activity.info; 11390 for (int i=dest.size()-1; i>=0; i--) { 11391 ActivityInfo destAi = dest.get(i).activityInfo; 11392 if (destAi.name == filterAi.name 11393 && destAi.packageName == filterAi.packageName) { 11394 return false; 11395 } 11396 } 11397 return true; 11398 } 11399 11400 @Override 11401 protected ActivityIntentInfo[] newArray(int size) { 11402 return new ActivityIntentInfo[size]; 11403 } 11404 11405 @Override 11406 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 11407 if (!sUserManager.exists(userId)) return true; 11408 PackageParser.Package p = filter.activity.owner; 11409 if (p != null) { 11410 PackageSetting ps = (PackageSetting)p.mExtras; 11411 if (ps != null) { 11412 // System apps are never considered stopped for purposes of 11413 // filtering, because there may be no way for the user to 11414 // actually re-launch them. 11415 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 11416 && ps.getStopped(userId); 11417 } 11418 } 11419 return false; 11420 } 11421 11422 @Override 11423 protected boolean isPackageForFilter(String packageName, 11424 PackageParser.ActivityIntentInfo info) { 11425 return packageName.equals(info.activity.owner.packageName); 11426 } 11427 11428 @Override 11429 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 11430 int match, int userId) { 11431 if (!sUserManager.exists(userId)) return null; 11432 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 11433 return null; 11434 } 11435 final PackageParser.Activity activity = info.activity; 11436 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 11437 if (ps == null) { 11438 return null; 11439 } 11440 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 11441 ps.readUserState(userId), userId); 11442 if (ai == null) { 11443 return null; 11444 } 11445 final ResolveInfo res = new ResolveInfo(); 11446 res.activityInfo = ai; 11447 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11448 res.filter = info; 11449 } 11450 if (info != null) { 11451 res.handleAllWebDataURI = info.handleAllWebDataURI(); 11452 } 11453 res.priority = info.getPriority(); 11454 res.preferredOrder = activity.owner.mPreferredOrder; 11455 //System.out.println("Result: " + res.activityInfo.className + 11456 // " = " + res.priority); 11457 res.match = match; 11458 res.isDefault = info.hasDefault; 11459 res.labelRes = info.labelRes; 11460 res.nonLocalizedLabel = info.nonLocalizedLabel; 11461 if (userNeedsBadging(userId)) { 11462 res.noResourceId = true; 11463 } else { 11464 res.icon = info.icon; 11465 } 11466 res.iconResourceId = info.icon; 11467 res.system = res.activityInfo.applicationInfo.isSystemApp(); 11468 return res; 11469 } 11470 11471 @Override 11472 protected void sortResults(List<ResolveInfo> results) { 11473 Collections.sort(results, mResolvePrioritySorter); 11474 } 11475 11476 @Override 11477 protected void dumpFilter(PrintWriter out, String prefix, 11478 PackageParser.ActivityIntentInfo filter) { 11479 out.print(prefix); out.print( 11480 Integer.toHexString(System.identityHashCode(filter.activity))); 11481 out.print(' '); 11482 filter.activity.printComponentShortName(out); 11483 out.print(" filter "); 11484 out.println(Integer.toHexString(System.identityHashCode(filter))); 11485 } 11486 11487 @Override 11488 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 11489 return filter.activity; 11490 } 11491 11492 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11493 PackageParser.Activity activity = (PackageParser.Activity)label; 11494 out.print(prefix); out.print( 11495 Integer.toHexString(System.identityHashCode(activity))); 11496 out.print(' '); 11497 activity.printComponentShortName(out); 11498 if (count > 1) { 11499 out.print(" ("); out.print(count); out.print(" filters)"); 11500 } 11501 out.println(); 11502 } 11503 11504 // Keys are String (activity class name), values are Activity. 11505 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 11506 = new ArrayMap<ComponentName, PackageParser.Activity>(); 11507 private int mFlags; 11508 } 11509 11510 private final class ServiceIntentResolver 11511 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 11512 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11513 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 11514 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11515 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 11516 isEphemeral, userId); 11517 } 11518 11519 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11520 int userId) { 11521 if (!sUserManager.exists(userId)) return null; 11522 mFlags = flags; 11523 return super.queryIntent(intent, resolvedType, 11524 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11525 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 11526 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11527 } 11528 11529 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11530 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 11531 if (!sUserManager.exists(userId)) return null; 11532 if (packageServices == null) { 11533 return null; 11534 } 11535 mFlags = flags; 11536 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 11537 final boolean vislbleToEphemeral = 11538 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11539 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 11540 final int N = packageServices.size(); 11541 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 11542 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 11543 11544 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 11545 for (int i = 0; i < N; ++i) { 11546 intentFilters = packageServices.get(i).intents; 11547 if (intentFilters != null && intentFilters.size() > 0) { 11548 PackageParser.ServiceIntentInfo[] array = 11549 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 11550 intentFilters.toArray(array); 11551 listCut.add(array); 11552 } 11553 } 11554 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11555 vislbleToEphemeral, isEphemeral, listCut, userId); 11556 } 11557 11558 public final void addService(PackageParser.Service s) { 11559 mServices.put(s.getComponentName(), s); 11560 if (DEBUG_SHOW_INFO) { 11561 Log.v(TAG, " " 11562 + (s.info.nonLocalizedLabel != null 11563 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11564 Log.v(TAG, " Class=" + s.info.name); 11565 } 11566 final int NI = s.intents.size(); 11567 int j; 11568 for (j=0; j<NI; j++) { 11569 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11570 if (DEBUG_SHOW_INFO) { 11571 Log.v(TAG, " IntentFilter:"); 11572 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11573 } 11574 if (!intent.debugCheck()) { 11575 Log.w(TAG, "==> For Service " + s.info.name); 11576 } 11577 addFilter(intent); 11578 } 11579 } 11580 11581 public final void removeService(PackageParser.Service s) { 11582 mServices.remove(s.getComponentName()); 11583 if (DEBUG_SHOW_INFO) { 11584 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 11585 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 11586 Log.v(TAG, " Class=" + s.info.name); 11587 } 11588 final int NI = s.intents.size(); 11589 int j; 11590 for (j=0; j<NI; j++) { 11591 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 11592 if (DEBUG_SHOW_INFO) { 11593 Log.v(TAG, " IntentFilter:"); 11594 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11595 } 11596 removeFilter(intent); 11597 } 11598 } 11599 11600 @Override 11601 protected boolean allowFilterResult( 11602 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 11603 ServiceInfo filterSi = filter.service.info; 11604 for (int i=dest.size()-1; i>=0; i--) { 11605 ServiceInfo destAi = dest.get(i).serviceInfo; 11606 if (destAi.name == filterSi.name 11607 && destAi.packageName == filterSi.packageName) { 11608 return false; 11609 } 11610 } 11611 return true; 11612 } 11613 11614 @Override 11615 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11616 return new PackageParser.ServiceIntentInfo[size]; 11617 } 11618 11619 @Override 11620 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11621 if (!sUserManager.exists(userId)) return true; 11622 PackageParser.Package p = filter.service.owner; 11623 if (p != null) { 11624 PackageSetting ps = (PackageSetting)p.mExtras; 11625 if (ps != null) { 11626 // System apps are never considered stopped for purposes of 11627 // filtering, because there may be no way for the user to 11628 // actually re-launch them. 11629 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11630 && ps.getStopped(userId); 11631 } 11632 } 11633 return false; 11634 } 11635 11636 @Override 11637 protected boolean isPackageForFilter(String packageName, 11638 PackageParser.ServiceIntentInfo info) { 11639 return packageName.equals(info.service.owner.packageName); 11640 } 11641 11642 @Override 11643 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11644 int match, int userId) { 11645 if (!sUserManager.exists(userId)) return null; 11646 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11647 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11648 return null; 11649 } 11650 final PackageParser.Service service = info.service; 11651 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11652 if (ps == null) { 11653 return null; 11654 } 11655 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11656 ps.readUserState(userId), userId); 11657 if (si == null) { 11658 return null; 11659 } 11660 final ResolveInfo res = new ResolveInfo(); 11661 res.serviceInfo = si; 11662 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11663 res.filter = filter; 11664 } 11665 res.priority = info.getPriority(); 11666 res.preferredOrder = service.owner.mPreferredOrder; 11667 res.match = match; 11668 res.isDefault = info.hasDefault; 11669 res.labelRes = info.labelRes; 11670 res.nonLocalizedLabel = info.nonLocalizedLabel; 11671 res.icon = info.icon; 11672 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11673 return res; 11674 } 11675 11676 @Override 11677 protected void sortResults(List<ResolveInfo> results) { 11678 Collections.sort(results, mResolvePrioritySorter); 11679 } 11680 11681 @Override 11682 protected void dumpFilter(PrintWriter out, String prefix, 11683 PackageParser.ServiceIntentInfo filter) { 11684 out.print(prefix); out.print( 11685 Integer.toHexString(System.identityHashCode(filter.service))); 11686 out.print(' '); 11687 filter.service.printComponentShortName(out); 11688 out.print(" filter "); 11689 out.println(Integer.toHexString(System.identityHashCode(filter))); 11690 } 11691 11692 @Override 11693 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11694 return filter.service; 11695 } 11696 11697 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11698 PackageParser.Service service = (PackageParser.Service)label; 11699 out.print(prefix); out.print( 11700 Integer.toHexString(System.identityHashCode(service))); 11701 out.print(' '); 11702 service.printComponentShortName(out); 11703 if (count > 1) { 11704 out.print(" ("); out.print(count); out.print(" filters)"); 11705 } 11706 out.println(); 11707 } 11708 11709// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11710// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11711// final List<ResolveInfo> retList = Lists.newArrayList(); 11712// while (i.hasNext()) { 11713// final ResolveInfo resolveInfo = (ResolveInfo) i; 11714// if (isEnabledLP(resolveInfo.serviceInfo)) { 11715// retList.add(resolveInfo); 11716// } 11717// } 11718// return retList; 11719// } 11720 11721 // Keys are String (activity class name), values are Activity. 11722 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11723 = new ArrayMap<ComponentName, PackageParser.Service>(); 11724 private int mFlags; 11725 } 11726 11727 private final class ProviderIntentResolver 11728 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11729 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11730 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 11731 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11732 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 11733 isEphemeral, userId); 11734 } 11735 11736 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11737 int userId) { 11738 if (!sUserManager.exists(userId)) 11739 return null; 11740 mFlags = flags; 11741 return super.queryIntent(intent, resolvedType, 11742 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11743 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 11744 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11745 } 11746 11747 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11748 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11749 if (!sUserManager.exists(userId)) 11750 return null; 11751 if (packageProviders == null) { 11752 return null; 11753 } 11754 mFlags = flags; 11755 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11756 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 11757 final boolean vislbleToEphemeral = 11758 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11759 final int N = packageProviders.size(); 11760 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11761 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11762 11763 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11764 for (int i = 0; i < N; ++i) { 11765 intentFilters = packageProviders.get(i).intents; 11766 if (intentFilters != null && intentFilters.size() > 0) { 11767 PackageParser.ProviderIntentInfo[] array = 11768 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11769 intentFilters.toArray(array); 11770 listCut.add(array); 11771 } 11772 } 11773 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11774 vislbleToEphemeral, isEphemeral, listCut, userId); 11775 } 11776 11777 public final void addProvider(PackageParser.Provider p) { 11778 if (mProviders.containsKey(p.getComponentName())) { 11779 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11780 return; 11781 } 11782 11783 mProviders.put(p.getComponentName(), p); 11784 if (DEBUG_SHOW_INFO) { 11785 Log.v(TAG, " " 11786 + (p.info.nonLocalizedLabel != null 11787 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11788 Log.v(TAG, " Class=" + p.info.name); 11789 } 11790 final int NI = p.intents.size(); 11791 int j; 11792 for (j = 0; j < NI; j++) { 11793 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11794 if (DEBUG_SHOW_INFO) { 11795 Log.v(TAG, " IntentFilter:"); 11796 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11797 } 11798 if (!intent.debugCheck()) { 11799 Log.w(TAG, "==> For Provider " + p.info.name); 11800 } 11801 addFilter(intent); 11802 } 11803 } 11804 11805 public final void removeProvider(PackageParser.Provider p) { 11806 mProviders.remove(p.getComponentName()); 11807 if (DEBUG_SHOW_INFO) { 11808 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11809 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11810 Log.v(TAG, " Class=" + p.info.name); 11811 } 11812 final int NI = p.intents.size(); 11813 int j; 11814 for (j = 0; j < NI; j++) { 11815 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11816 if (DEBUG_SHOW_INFO) { 11817 Log.v(TAG, " IntentFilter:"); 11818 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11819 } 11820 removeFilter(intent); 11821 } 11822 } 11823 11824 @Override 11825 protected boolean allowFilterResult( 11826 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11827 ProviderInfo filterPi = filter.provider.info; 11828 for (int i = dest.size() - 1; i >= 0; i--) { 11829 ProviderInfo destPi = dest.get(i).providerInfo; 11830 if (destPi.name == filterPi.name 11831 && destPi.packageName == filterPi.packageName) { 11832 return false; 11833 } 11834 } 11835 return true; 11836 } 11837 11838 @Override 11839 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11840 return new PackageParser.ProviderIntentInfo[size]; 11841 } 11842 11843 @Override 11844 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11845 if (!sUserManager.exists(userId)) 11846 return true; 11847 PackageParser.Package p = filter.provider.owner; 11848 if (p != null) { 11849 PackageSetting ps = (PackageSetting) p.mExtras; 11850 if (ps != null) { 11851 // System apps are never considered stopped for purposes of 11852 // filtering, because there may be no way for the user to 11853 // actually re-launch them. 11854 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11855 && ps.getStopped(userId); 11856 } 11857 } 11858 return false; 11859 } 11860 11861 @Override 11862 protected boolean isPackageForFilter(String packageName, 11863 PackageParser.ProviderIntentInfo info) { 11864 return packageName.equals(info.provider.owner.packageName); 11865 } 11866 11867 @Override 11868 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11869 int match, int userId) { 11870 if (!sUserManager.exists(userId)) 11871 return null; 11872 final PackageParser.ProviderIntentInfo info = filter; 11873 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11874 return null; 11875 } 11876 final PackageParser.Provider provider = info.provider; 11877 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11878 if (ps == null) { 11879 return null; 11880 } 11881 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11882 ps.readUserState(userId), userId); 11883 if (pi == null) { 11884 return null; 11885 } 11886 final ResolveInfo res = new ResolveInfo(); 11887 res.providerInfo = pi; 11888 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11889 res.filter = filter; 11890 } 11891 res.priority = info.getPriority(); 11892 res.preferredOrder = provider.owner.mPreferredOrder; 11893 res.match = match; 11894 res.isDefault = info.hasDefault; 11895 res.labelRes = info.labelRes; 11896 res.nonLocalizedLabel = info.nonLocalizedLabel; 11897 res.icon = info.icon; 11898 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11899 return res; 11900 } 11901 11902 @Override 11903 protected void sortResults(List<ResolveInfo> results) { 11904 Collections.sort(results, mResolvePrioritySorter); 11905 } 11906 11907 @Override 11908 protected void dumpFilter(PrintWriter out, String prefix, 11909 PackageParser.ProviderIntentInfo filter) { 11910 out.print(prefix); 11911 out.print( 11912 Integer.toHexString(System.identityHashCode(filter.provider))); 11913 out.print(' '); 11914 filter.provider.printComponentShortName(out); 11915 out.print(" filter "); 11916 out.println(Integer.toHexString(System.identityHashCode(filter))); 11917 } 11918 11919 @Override 11920 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11921 return filter.provider; 11922 } 11923 11924 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11925 PackageParser.Provider provider = (PackageParser.Provider)label; 11926 out.print(prefix); out.print( 11927 Integer.toHexString(System.identityHashCode(provider))); 11928 out.print(' '); 11929 provider.printComponentShortName(out); 11930 if (count > 1) { 11931 out.print(" ("); out.print(count); out.print(" filters)"); 11932 } 11933 out.println(); 11934 } 11935 11936 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11937 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11938 private int mFlags; 11939 } 11940 11941 static final class EphemeralIntentResolver 11942 extends IntentResolver<EphemeralResponse, EphemeralResponse> { 11943 /** 11944 * The result that has the highest defined order. Ordering applies on a 11945 * per-package basis. Mapping is from package name to Pair of order and 11946 * EphemeralResolveInfo. 11947 * <p> 11948 * NOTE: This is implemented as a field variable for convenience and efficiency. 11949 * By having a field variable, we're able to track filter ordering as soon as 11950 * a non-zero order is defined. Otherwise, multiple loops across the result set 11951 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 11952 * this needs to be contained entirely within {@link #filterResults()}. 11953 */ 11954 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 11955 11956 @Override 11957 protected EphemeralResponse[] newArray(int size) { 11958 return new EphemeralResponse[size]; 11959 } 11960 11961 @Override 11962 protected boolean isPackageForFilter(String packageName, EphemeralResponse responseObj) { 11963 return true; 11964 } 11965 11966 @Override 11967 protected EphemeralResponse newResult(EphemeralResponse responseObj, int match, 11968 int userId) { 11969 if (!sUserManager.exists(userId)) { 11970 return null; 11971 } 11972 final String packageName = responseObj.resolveInfo.getPackageName(); 11973 final Integer order = responseObj.getOrder(); 11974 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 11975 mOrderResult.get(packageName); 11976 // ordering is enabled and this item's order isn't high enough 11977 if (lastOrderResult != null && lastOrderResult.first >= order) { 11978 return null; 11979 } 11980 final EphemeralResolveInfo res = responseObj.resolveInfo; 11981 if (order > 0) { 11982 // non-zero order, enable ordering 11983 mOrderResult.put(packageName, new Pair<>(order, res)); 11984 } 11985 return responseObj; 11986 } 11987 11988 @Override 11989 protected void filterResults(List<EphemeralResponse> results) { 11990 // only do work if ordering is enabled [most of the time it won't be] 11991 if (mOrderResult.size() == 0) { 11992 return; 11993 } 11994 int resultSize = results.size(); 11995 for (int i = 0; i < resultSize; i++) { 11996 final EphemeralResolveInfo info = results.get(i).resolveInfo; 11997 final String packageName = info.getPackageName(); 11998 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 11999 if (savedInfo == null) { 12000 // package doesn't having ordering 12001 continue; 12002 } 12003 if (savedInfo.second == info) { 12004 // circled back to the highest ordered item; remove from order list 12005 mOrderResult.remove(savedInfo); 12006 if (mOrderResult.size() == 0) { 12007 // no more ordered items 12008 break; 12009 } 12010 continue; 12011 } 12012 // item has a worse order, remove it from the result list 12013 results.remove(i); 12014 resultSize--; 12015 i--; 12016 } 12017 } 12018 } 12019 12020 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12021 new Comparator<ResolveInfo>() { 12022 public int compare(ResolveInfo r1, ResolveInfo r2) { 12023 int v1 = r1.priority; 12024 int v2 = r2.priority; 12025 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12026 if (v1 != v2) { 12027 return (v1 > v2) ? -1 : 1; 12028 } 12029 v1 = r1.preferredOrder; 12030 v2 = r2.preferredOrder; 12031 if (v1 != v2) { 12032 return (v1 > v2) ? -1 : 1; 12033 } 12034 if (r1.isDefault != r2.isDefault) { 12035 return r1.isDefault ? -1 : 1; 12036 } 12037 v1 = r1.match; 12038 v2 = r2.match; 12039 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12040 if (v1 != v2) { 12041 return (v1 > v2) ? -1 : 1; 12042 } 12043 if (r1.system != r2.system) { 12044 return r1.system ? -1 : 1; 12045 } 12046 if (r1.activityInfo != null) { 12047 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12048 } 12049 if (r1.serviceInfo != null) { 12050 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12051 } 12052 if (r1.providerInfo != null) { 12053 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12054 } 12055 return 0; 12056 } 12057 }; 12058 12059 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12060 new Comparator<ProviderInfo>() { 12061 public int compare(ProviderInfo p1, ProviderInfo p2) { 12062 final int v1 = p1.initOrder; 12063 final int v2 = p2.initOrder; 12064 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12065 } 12066 }; 12067 12068 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12069 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12070 final int[] userIds) { 12071 mHandler.post(new Runnable() { 12072 @Override 12073 public void run() { 12074 try { 12075 final IActivityManager am = ActivityManager.getService(); 12076 if (am == null) return; 12077 final int[] resolvedUserIds; 12078 if (userIds == null) { 12079 resolvedUserIds = am.getRunningUserIds(); 12080 } else { 12081 resolvedUserIds = userIds; 12082 } 12083 for (int id : resolvedUserIds) { 12084 final Intent intent = new Intent(action, 12085 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12086 if (extras != null) { 12087 intent.putExtras(extras); 12088 } 12089 if (targetPkg != null) { 12090 intent.setPackage(targetPkg); 12091 } 12092 // Modify the UID when posting to other users 12093 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12094 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12095 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12096 intent.putExtra(Intent.EXTRA_UID, uid); 12097 } 12098 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12099 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12100 if (DEBUG_BROADCASTS) { 12101 RuntimeException here = new RuntimeException("here"); 12102 here.fillInStackTrace(); 12103 Slog.d(TAG, "Sending to user " + id + ": " 12104 + intent.toShortString(false, true, false, false) 12105 + " " + intent.getExtras(), here); 12106 } 12107 am.broadcastIntent(null, intent, null, finishedReceiver, 12108 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12109 null, finishedReceiver != null, false, id); 12110 } 12111 } catch (RemoteException ex) { 12112 } 12113 } 12114 }); 12115 } 12116 12117 /** 12118 * Check if the external storage media is available. This is true if there 12119 * is a mounted external storage medium or if the external storage is 12120 * emulated. 12121 */ 12122 private boolean isExternalMediaAvailable() { 12123 return mMediaMounted || Environment.isExternalStorageEmulated(); 12124 } 12125 12126 @Override 12127 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12128 // writer 12129 synchronized (mPackages) { 12130 if (!isExternalMediaAvailable()) { 12131 // If the external storage is no longer mounted at this point, 12132 // the caller may not have been able to delete all of this 12133 // packages files and can not delete any more. Bail. 12134 return null; 12135 } 12136 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12137 if (lastPackage != null) { 12138 pkgs.remove(lastPackage); 12139 } 12140 if (pkgs.size() > 0) { 12141 return pkgs.get(0); 12142 } 12143 } 12144 return null; 12145 } 12146 12147 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12148 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12149 userId, andCode ? 1 : 0, packageName); 12150 if (mSystemReady) { 12151 msg.sendToTarget(); 12152 } else { 12153 if (mPostSystemReadyMessages == null) { 12154 mPostSystemReadyMessages = new ArrayList<>(); 12155 } 12156 mPostSystemReadyMessages.add(msg); 12157 } 12158 } 12159 12160 void startCleaningPackages() { 12161 // reader 12162 if (!isExternalMediaAvailable()) { 12163 return; 12164 } 12165 synchronized (mPackages) { 12166 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12167 return; 12168 } 12169 } 12170 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12171 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12172 IActivityManager am = ActivityManager.getService(); 12173 if (am != null) { 12174 try { 12175 am.startService(null, intent, null, mContext.getOpPackageName(), 12176 UserHandle.USER_SYSTEM); 12177 } catch (RemoteException e) { 12178 } 12179 } 12180 } 12181 12182 @Override 12183 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12184 int installFlags, String installerPackageName, int userId) { 12185 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12186 12187 final int callingUid = Binder.getCallingUid(); 12188 enforceCrossUserPermission(callingUid, userId, 12189 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12190 12191 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12192 try { 12193 if (observer != null) { 12194 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12195 } 12196 } catch (RemoteException re) { 12197 } 12198 return; 12199 } 12200 12201 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12202 installFlags |= PackageManager.INSTALL_FROM_ADB; 12203 12204 } else { 12205 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12206 // about installerPackageName. 12207 12208 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12209 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12210 } 12211 12212 UserHandle user; 12213 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12214 user = UserHandle.ALL; 12215 } else { 12216 user = new UserHandle(userId); 12217 } 12218 12219 // Only system components can circumvent runtime permissions when installing. 12220 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12221 && mContext.checkCallingOrSelfPermission(Manifest.permission 12222 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12223 throw new SecurityException("You need the " 12224 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12225 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12226 } 12227 12228 final File originFile = new File(originPath); 12229 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12230 12231 final Message msg = mHandler.obtainMessage(INIT_COPY); 12232 final VerificationInfo verificationInfo = new VerificationInfo( 12233 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12234 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12235 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12236 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12237 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12238 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12239 msg.obj = params; 12240 12241 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12242 System.identityHashCode(msg.obj)); 12243 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12244 System.identityHashCode(msg.obj)); 12245 12246 mHandler.sendMessage(msg); 12247 } 12248 12249 12250 /** 12251 * Ensure that the install reason matches what we know about the package installer (e.g. whether 12252 * it is acting on behalf on an enterprise or the user). 12253 * 12254 * Note that the ordering of the conditionals in this method is important. The checks we perform 12255 * are as follows, in this order: 12256 * 12257 * 1) If the install is being performed by a system app, we can trust the app to have set the 12258 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 12259 * what it is. 12260 * 2) If the install is being performed by a device or profile owner app, the install reason 12261 * should be enterprise policy. However, we cannot be sure that the device or profile owner 12262 * set the install reason correctly. If the app targets an older SDK version where install 12263 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 12264 * unset or wrong. Thus, we force the install reason to be enterprise policy. 12265 * 3) In all other cases, the install is being performed by a regular app that is neither part 12266 * of the system nor a device or profile owner. We have no reason to believe that this app is 12267 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 12268 * set to enterprise policy and if so, change it to unknown instead. 12269 */ 12270 private int fixUpInstallReason(String installerPackageName, int installerUid, 12271 int installReason) { 12272 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 12273 == PERMISSION_GRANTED) { 12274 // If the install is being performed by a system app, we trust that app to have set the 12275 // install reason correctly. 12276 return installReason; 12277 } 12278 12279 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12280 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12281 if (dpm != null) { 12282 ComponentName owner = null; 12283 try { 12284 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 12285 if (owner == null) { 12286 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 12287 } 12288 } catch (RemoteException e) { 12289 } 12290 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 12291 // If the install is being performed by a device or profile owner, the install 12292 // reason should be enterprise policy. 12293 return PackageManager.INSTALL_REASON_POLICY; 12294 } 12295 } 12296 12297 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 12298 // If the install is being performed by a regular app (i.e. neither system app nor 12299 // device or profile owner), we have no reason to believe that the app is acting on 12300 // behalf of an enterprise. If the app set the install reason to enterprise policy, 12301 // change it to unknown instead. 12302 return PackageManager.INSTALL_REASON_UNKNOWN; 12303 } 12304 12305 // If the install is being performed by a regular app and the install reason was set to any 12306 // value but enterprise policy, leave the install reason unchanged. 12307 return installReason; 12308 } 12309 12310 void installStage(String packageName, File stagedDir, String stagedCid, 12311 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 12312 String installerPackageName, int installerUid, UserHandle user, 12313 Certificate[][] certificates) { 12314 if (DEBUG_EPHEMERAL) { 12315 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12316 Slog.d(TAG, "Ephemeral install of " + packageName); 12317 } 12318 } 12319 final VerificationInfo verificationInfo = new VerificationInfo( 12320 sessionParams.originatingUri, sessionParams.referrerUri, 12321 sessionParams.originatingUid, installerUid); 12322 12323 final OriginInfo origin; 12324 if (stagedDir != null) { 12325 origin = OriginInfo.fromStagedFile(stagedDir); 12326 } else { 12327 origin = OriginInfo.fromStagedContainer(stagedCid); 12328 } 12329 12330 final Message msg = mHandler.obtainMessage(INIT_COPY); 12331 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 12332 sessionParams.installReason); 12333 final InstallParams params = new InstallParams(origin, null, observer, 12334 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 12335 verificationInfo, user, sessionParams.abiOverride, 12336 sessionParams.grantedRuntimePermissions, certificates, installReason); 12337 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 12338 msg.obj = params; 12339 12340 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 12341 System.identityHashCode(msg.obj)); 12342 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12343 System.identityHashCode(msg.obj)); 12344 12345 mHandler.sendMessage(msg); 12346 } 12347 12348 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 12349 int userId) { 12350 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 12351 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 12352 } 12353 12354 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 12355 int appId, int... userIds) { 12356 if (ArrayUtils.isEmpty(userIds)) { 12357 return; 12358 } 12359 Bundle extras = new Bundle(1); 12360 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 12361 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 12362 12363 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 12364 packageName, extras, 0, null, null, userIds); 12365 if (isSystem) { 12366 mHandler.post(() -> { 12367 for (int userId : userIds) { 12368 sendBootCompletedBroadcastToSystemApp(packageName, userId); 12369 } 12370 } 12371 ); 12372 } 12373 } 12374 12375 /** 12376 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 12377 * automatically without needing an explicit launch. 12378 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 12379 */ 12380 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 12381 // If user is not running, the app didn't miss any broadcast 12382 if (!mUserManagerInternal.isUserRunning(userId)) { 12383 return; 12384 } 12385 final IActivityManager am = ActivityManager.getService(); 12386 try { 12387 // Deliver LOCKED_BOOT_COMPLETED first 12388 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 12389 .setPackage(packageName); 12390 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 12391 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 12392 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12393 12394 // Deliver BOOT_COMPLETED only if user is unlocked 12395 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 12396 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 12397 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 12398 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12399 } 12400 } catch (RemoteException e) { 12401 throw e.rethrowFromSystemServer(); 12402 } 12403 } 12404 12405 @Override 12406 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 12407 int userId) { 12408 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12409 PackageSetting pkgSetting; 12410 final int uid = Binder.getCallingUid(); 12411 enforceCrossUserPermission(uid, userId, 12412 true /* requireFullPermission */, true /* checkShell */, 12413 "setApplicationHiddenSetting for user " + userId); 12414 12415 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 12416 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 12417 return false; 12418 } 12419 12420 long callingId = Binder.clearCallingIdentity(); 12421 try { 12422 boolean sendAdded = false; 12423 boolean sendRemoved = false; 12424 // writer 12425 synchronized (mPackages) { 12426 pkgSetting = mSettings.mPackages.get(packageName); 12427 if (pkgSetting == null) { 12428 return false; 12429 } 12430 // Do not allow "android" is being disabled 12431 if ("android".equals(packageName)) { 12432 Slog.w(TAG, "Cannot hide package: android"); 12433 return false; 12434 } 12435 // Only allow protected packages to hide themselves. 12436 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 12437 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12438 Slog.w(TAG, "Not hiding protected package: " + packageName); 12439 return false; 12440 } 12441 12442 if (pkgSetting.getHidden(userId) != hidden) { 12443 pkgSetting.setHidden(hidden, userId); 12444 mSettings.writePackageRestrictionsLPr(userId); 12445 if (hidden) { 12446 sendRemoved = true; 12447 } else { 12448 sendAdded = true; 12449 } 12450 } 12451 } 12452 if (sendAdded) { 12453 sendPackageAddedForUser(packageName, pkgSetting, userId); 12454 return true; 12455 } 12456 if (sendRemoved) { 12457 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 12458 "hiding pkg"); 12459 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 12460 return true; 12461 } 12462 } finally { 12463 Binder.restoreCallingIdentity(callingId); 12464 } 12465 return false; 12466 } 12467 12468 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 12469 int userId) { 12470 final PackageRemovedInfo info = new PackageRemovedInfo(); 12471 info.removedPackage = packageName; 12472 info.removedUsers = new int[] {userId}; 12473 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 12474 info.sendPackageRemovedBroadcasts(true /*killApp*/); 12475 } 12476 12477 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 12478 if (pkgList.length > 0) { 12479 Bundle extras = new Bundle(1); 12480 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 12481 12482 sendPackageBroadcast( 12483 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 12484 : Intent.ACTION_PACKAGES_UNSUSPENDED, 12485 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 12486 new int[] {userId}); 12487 } 12488 } 12489 12490 /** 12491 * Returns true if application is not found or there was an error. Otherwise it returns 12492 * the hidden state of the package for the given user. 12493 */ 12494 @Override 12495 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 12496 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12497 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12498 true /* requireFullPermission */, false /* checkShell */, 12499 "getApplicationHidden for user " + userId); 12500 PackageSetting pkgSetting; 12501 long callingId = Binder.clearCallingIdentity(); 12502 try { 12503 // writer 12504 synchronized (mPackages) { 12505 pkgSetting = mSettings.mPackages.get(packageName); 12506 if (pkgSetting == null) { 12507 return true; 12508 } 12509 return pkgSetting.getHidden(userId); 12510 } 12511 } finally { 12512 Binder.restoreCallingIdentity(callingId); 12513 } 12514 } 12515 12516 /** 12517 * @hide 12518 */ 12519 @Override 12520 public int installExistingPackageAsUser(String packageName, int userId, int installReason) { 12521 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 12522 null); 12523 PackageSetting pkgSetting; 12524 final int uid = Binder.getCallingUid(); 12525 enforceCrossUserPermission(uid, userId, 12526 true /* requireFullPermission */, true /* checkShell */, 12527 "installExistingPackage for user " + userId); 12528 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12529 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 12530 } 12531 12532 long callingId = Binder.clearCallingIdentity(); 12533 try { 12534 boolean installed = false; 12535 12536 // writer 12537 synchronized (mPackages) { 12538 pkgSetting = mSettings.mPackages.get(packageName); 12539 if (pkgSetting == null) { 12540 return PackageManager.INSTALL_FAILED_INVALID_URI; 12541 } 12542 if (!pkgSetting.getInstalled(userId)) { 12543 pkgSetting.setInstalled(true, userId); 12544 pkgSetting.setHidden(false, userId); 12545 pkgSetting.setInstallReason(installReason, userId); 12546 mSettings.writePackageRestrictionsLPr(userId); 12547 installed = true; 12548 } 12549 } 12550 12551 if (installed) { 12552 if (pkgSetting.pkg != null) { 12553 synchronized (mInstallLock) { 12554 // We don't need to freeze for a brand new install 12555 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 12556 } 12557 } 12558 sendPackageAddedForUser(packageName, pkgSetting, userId); 12559 } 12560 } finally { 12561 Binder.restoreCallingIdentity(callingId); 12562 } 12563 12564 return PackageManager.INSTALL_SUCCEEDED; 12565 } 12566 12567 boolean isUserRestricted(int userId, String restrictionKey) { 12568 Bundle restrictions = sUserManager.getUserRestrictions(userId); 12569 if (restrictions.getBoolean(restrictionKey, false)) { 12570 Log.w(TAG, "User is restricted: " + restrictionKey); 12571 return true; 12572 } 12573 return false; 12574 } 12575 12576 @Override 12577 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 12578 int userId) { 12579 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 12580 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12581 true /* requireFullPermission */, true /* checkShell */, 12582 "setPackagesSuspended for user " + userId); 12583 12584 if (ArrayUtils.isEmpty(packageNames)) { 12585 return packageNames; 12586 } 12587 12588 // List of package names for whom the suspended state has changed. 12589 List<String> changedPackages = new ArrayList<>(packageNames.length); 12590 // List of package names for whom the suspended state is not set as requested in this 12591 // method. 12592 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 12593 long callingId = Binder.clearCallingIdentity(); 12594 try { 12595 for (int i = 0; i < packageNames.length; i++) { 12596 String packageName = packageNames[i]; 12597 boolean changed = false; 12598 final int appId; 12599 synchronized (mPackages) { 12600 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12601 if (pkgSetting == null) { 12602 Slog.w(TAG, "Could not find package setting for package \"" + packageName 12603 + "\". Skipping suspending/un-suspending."); 12604 unactionedPackages.add(packageName); 12605 continue; 12606 } 12607 appId = pkgSetting.appId; 12608 if (pkgSetting.getSuspended(userId) != suspended) { 12609 if (!canSuspendPackageForUserLocked(packageName, userId)) { 12610 unactionedPackages.add(packageName); 12611 continue; 12612 } 12613 pkgSetting.setSuspended(suspended, userId); 12614 mSettings.writePackageRestrictionsLPr(userId); 12615 changed = true; 12616 changedPackages.add(packageName); 12617 } 12618 } 12619 12620 if (changed && suspended) { 12621 killApplication(packageName, UserHandle.getUid(userId, appId), 12622 "suspending package"); 12623 } 12624 } 12625 } finally { 12626 Binder.restoreCallingIdentity(callingId); 12627 } 12628 12629 if (!changedPackages.isEmpty()) { 12630 sendPackagesSuspendedForUser(changedPackages.toArray( 12631 new String[changedPackages.size()]), userId, suspended); 12632 } 12633 12634 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 12635 } 12636 12637 @Override 12638 public boolean isPackageSuspendedForUser(String packageName, int userId) { 12639 enforceCrossUserPermission(Binder.getCallingUid(), userId, 12640 true /* requireFullPermission */, false /* checkShell */, 12641 "isPackageSuspendedForUser for user " + userId); 12642 synchronized (mPackages) { 12643 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 12644 if (pkgSetting == null) { 12645 throw new IllegalArgumentException("Unknown target package: " + packageName); 12646 } 12647 return pkgSetting.getSuspended(userId); 12648 } 12649 } 12650 12651 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 12652 if (isPackageDeviceAdmin(packageName, userId)) { 12653 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12654 + "\": has an active device admin"); 12655 return false; 12656 } 12657 12658 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 12659 if (packageName.equals(activeLauncherPackageName)) { 12660 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12661 + "\": contains the active launcher"); 12662 return false; 12663 } 12664 12665 if (packageName.equals(mRequiredInstallerPackage)) { 12666 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12667 + "\": required for package installation"); 12668 return false; 12669 } 12670 12671 if (packageName.equals(mRequiredUninstallerPackage)) { 12672 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12673 + "\": required for package uninstallation"); 12674 return false; 12675 } 12676 12677 if (packageName.equals(mRequiredVerifierPackage)) { 12678 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12679 + "\": required for package verification"); 12680 return false; 12681 } 12682 12683 if (packageName.equals(getDefaultDialerPackageName(userId))) { 12684 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12685 + "\": is the default dialer"); 12686 return false; 12687 } 12688 12689 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 12690 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 12691 + "\": protected package"); 12692 return false; 12693 } 12694 12695 return true; 12696 } 12697 12698 private String getActiveLauncherPackageName(int userId) { 12699 Intent intent = new Intent(Intent.ACTION_MAIN); 12700 intent.addCategory(Intent.CATEGORY_HOME); 12701 ResolveInfo resolveInfo = resolveIntent( 12702 intent, 12703 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 12704 PackageManager.MATCH_DEFAULT_ONLY, 12705 userId); 12706 12707 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 12708 } 12709 12710 private String getDefaultDialerPackageName(int userId) { 12711 synchronized (mPackages) { 12712 return mSettings.getDefaultDialerPackageNameLPw(userId); 12713 } 12714 } 12715 12716 @Override 12717 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 12718 mContext.enforceCallingOrSelfPermission( 12719 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12720 "Only package verification agents can verify applications"); 12721 12722 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12723 final PackageVerificationResponse response = new PackageVerificationResponse( 12724 verificationCode, Binder.getCallingUid()); 12725 msg.arg1 = id; 12726 msg.obj = response; 12727 mHandler.sendMessage(msg); 12728 } 12729 12730 @Override 12731 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 12732 long millisecondsToDelay) { 12733 mContext.enforceCallingOrSelfPermission( 12734 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12735 "Only package verification agents can extend verification timeouts"); 12736 12737 final PackageVerificationState state = mPendingVerification.get(id); 12738 final PackageVerificationResponse response = new PackageVerificationResponse( 12739 verificationCodeAtTimeout, Binder.getCallingUid()); 12740 12741 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 12742 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 12743 } 12744 if (millisecondsToDelay < 0) { 12745 millisecondsToDelay = 0; 12746 } 12747 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 12748 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 12749 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 12750 } 12751 12752 if ((state != null) && !state.timeoutExtended()) { 12753 state.extendTimeout(); 12754 12755 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 12756 msg.arg1 = id; 12757 msg.obj = response; 12758 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 12759 } 12760 } 12761 12762 private void broadcastPackageVerified(int verificationId, Uri packageUri, 12763 int verificationCode, UserHandle user) { 12764 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 12765 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 12766 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12767 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12768 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 12769 12770 mContext.sendBroadcastAsUser(intent, user, 12771 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 12772 } 12773 12774 private ComponentName matchComponentForVerifier(String packageName, 12775 List<ResolveInfo> receivers) { 12776 ActivityInfo targetReceiver = null; 12777 12778 final int NR = receivers.size(); 12779 for (int i = 0; i < NR; i++) { 12780 final ResolveInfo info = receivers.get(i); 12781 if (info.activityInfo == null) { 12782 continue; 12783 } 12784 12785 if (packageName.equals(info.activityInfo.packageName)) { 12786 targetReceiver = info.activityInfo; 12787 break; 12788 } 12789 } 12790 12791 if (targetReceiver == null) { 12792 return null; 12793 } 12794 12795 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12796 } 12797 12798 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12799 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12800 if (pkgInfo.verifiers.length == 0) { 12801 return null; 12802 } 12803 12804 final int N = pkgInfo.verifiers.length; 12805 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12806 for (int i = 0; i < N; i++) { 12807 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12808 12809 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12810 receivers); 12811 if (comp == null) { 12812 continue; 12813 } 12814 12815 final int verifierUid = getUidForVerifier(verifierInfo); 12816 if (verifierUid == -1) { 12817 continue; 12818 } 12819 12820 if (DEBUG_VERIFY) { 12821 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12822 + " with the correct signature"); 12823 } 12824 sufficientVerifiers.add(comp); 12825 verificationState.addSufficientVerifier(verifierUid); 12826 } 12827 12828 return sufficientVerifiers; 12829 } 12830 12831 private int getUidForVerifier(VerifierInfo verifierInfo) { 12832 synchronized (mPackages) { 12833 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12834 if (pkg == null) { 12835 return -1; 12836 } else if (pkg.mSignatures.length != 1) { 12837 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12838 + " has more than one signature; ignoring"); 12839 return -1; 12840 } 12841 12842 /* 12843 * If the public key of the package's signature does not match 12844 * our expected public key, then this is a different package and 12845 * we should skip. 12846 */ 12847 12848 final byte[] expectedPublicKey; 12849 try { 12850 final Signature verifierSig = pkg.mSignatures[0]; 12851 final PublicKey publicKey = verifierSig.getPublicKey(); 12852 expectedPublicKey = publicKey.getEncoded(); 12853 } catch (CertificateException e) { 12854 return -1; 12855 } 12856 12857 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12858 12859 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12860 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12861 + " does not have the expected public key; ignoring"); 12862 return -1; 12863 } 12864 12865 return pkg.applicationInfo.uid; 12866 } 12867 } 12868 12869 @Override 12870 public void finishPackageInstall(int token, boolean didLaunch) { 12871 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12872 12873 if (DEBUG_INSTALL) { 12874 Slog.v(TAG, "BM finishing package install for " + token); 12875 } 12876 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12877 12878 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12879 mHandler.sendMessage(msg); 12880 } 12881 12882 /** 12883 * Get the verification agent timeout. 12884 * 12885 * @return verification timeout in milliseconds 12886 */ 12887 private long getVerificationTimeout() { 12888 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12889 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12890 DEFAULT_VERIFICATION_TIMEOUT); 12891 } 12892 12893 /** 12894 * Get the default verification agent response code. 12895 * 12896 * @return default verification response code 12897 */ 12898 private int getDefaultVerificationResponse() { 12899 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12900 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12901 DEFAULT_VERIFICATION_RESPONSE); 12902 } 12903 12904 /** 12905 * Check whether or not package verification has been enabled. 12906 * 12907 * @return true if verification should be performed 12908 */ 12909 private boolean isVerificationEnabled(int userId, int installFlags) { 12910 if (!DEFAULT_VERIFY_ENABLE) { 12911 return false; 12912 } 12913 // Ephemeral apps don't get the full verification treatment 12914 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12915 if (DEBUG_EPHEMERAL) { 12916 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12917 } 12918 return false; 12919 } 12920 12921 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12922 12923 // Check if installing from ADB 12924 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12925 // Do not run verification in a test harness environment 12926 if (ActivityManager.isRunningInTestHarness()) { 12927 return false; 12928 } 12929 if (ensureVerifyAppsEnabled) { 12930 return true; 12931 } 12932 // Check if the developer does not want package verification for ADB installs 12933 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12934 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12935 return false; 12936 } 12937 } 12938 12939 if (ensureVerifyAppsEnabled) { 12940 return true; 12941 } 12942 12943 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12944 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12945 } 12946 12947 @Override 12948 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12949 throws RemoteException { 12950 mContext.enforceCallingOrSelfPermission( 12951 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12952 "Only intentfilter verification agents can verify applications"); 12953 12954 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12955 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12956 Binder.getCallingUid(), verificationCode, failedDomains); 12957 msg.arg1 = id; 12958 msg.obj = response; 12959 mHandler.sendMessage(msg); 12960 } 12961 12962 @Override 12963 public int getIntentVerificationStatus(String packageName, int userId) { 12964 synchronized (mPackages) { 12965 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12966 } 12967 } 12968 12969 @Override 12970 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12971 mContext.enforceCallingOrSelfPermission( 12972 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12973 12974 boolean result = false; 12975 synchronized (mPackages) { 12976 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12977 } 12978 if (result) { 12979 scheduleWritePackageRestrictionsLocked(userId); 12980 } 12981 return result; 12982 } 12983 12984 @Override 12985 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12986 String packageName) { 12987 synchronized (mPackages) { 12988 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12989 } 12990 } 12991 12992 @Override 12993 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12994 if (TextUtils.isEmpty(packageName)) { 12995 return ParceledListSlice.emptyList(); 12996 } 12997 synchronized (mPackages) { 12998 PackageParser.Package pkg = mPackages.get(packageName); 12999 if (pkg == null || pkg.activities == null) { 13000 return ParceledListSlice.emptyList(); 13001 } 13002 final int count = pkg.activities.size(); 13003 ArrayList<IntentFilter> result = new ArrayList<>(); 13004 for (int n=0; n<count; n++) { 13005 PackageParser.Activity activity = pkg.activities.get(n); 13006 if (activity.intents != null && activity.intents.size() > 0) { 13007 result.addAll(activity.intents); 13008 } 13009 } 13010 return new ParceledListSlice<>(result); 13011 } 13012 } 13013 13014 @Override 13015 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13016 mContext.enforceCallingOrSelfPermission( 13017 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13018 13019 synchronized (mPackages) { 13020 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13021 if (packageName != null) { 13022 result |= updateIntentVerificationStatus(packageName, 13023 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13024 userId); 13025 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13026 packageName, userId); 13027 } 13028 return result; 13029 } 13030 } 13031 13032 @Override 13033 public String getDefaultBrowserPackageName(int userId) { 13034 synchronized (mPackages) { 13035 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13036 } 13037 } 13038 13039 /** 13040 * Get the "allow unknown sources" setting. 13041 * 13042 * @return the current "allow unknown sources" setting 13043 */ 13044 private int getUnknownSourcesSettings() { 13045 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13046 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13047 -1); 13048 } 13049 13050 @Override 13051 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13052 final int uid = Binder.getCallingUid(); 13053 // writer 13054 synchronized (mPackages) { 13055 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13056 if (targetPackageSetting == null) { 13057 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13058 } 13059 13060 PackageSetting installerPackageSetting; 13061 if (installerPackageName != null) { 13062 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13063 if (installerPackageSetting == null) { 13064 throw new IllegalArgumentException("Unknown installer package: " 13065 + installerPackageName); 13066 } 13067 } else { 13068 installerPackageSetting = null; 13069 } 13070 13071 Signature[] callerSignature; 13072 Object obj = mSettings.getUserIdLPr(uid); 13073 if (obj != null) { 13074 if (obj instanceof SharedUserSetting) { 13075 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13076 } else if (obj instanceof PackageSetting) { 13077 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13078 } else { 13079 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13080 } 13081 } else { 13082 throw new SecurityException("Unknown calling UID: " + uid); 13083 } 13084 13085 // Verify: can't set installerPackageName to a package that is 13086 // not signed with the same cert as the caller. 13087 if (installerPackageSetting != null) { 13088 if (compareSignatures(callerSignature, 13089 installerPackageSetting.signatures.mSignatures) 13090 != PackageManager.SIGNATURE_MATCH) { 13091 throw new SecurityException( 13092 "Caller does not have same cert as new installer package " 13093 + installerPackageName); 13094 } 13095 } 13096 13097 // Verify: if target already has an installer package, it must 13098 // be signed with the same cert as the caller. 13099 if (targetPackageSetting.installerPackageName != null) { 13100 PackageSetting setting = mSettings.mPackages.get( 13101 targetPackageSetting.installerPackageName); 13102 // If the currently set package isn't valid, then it's always 13103 // okay to change it. 13104 if (setting != null) { 13105 if (compareSignatures(callerSignature, 13106 setting.signatures.mSignatures) 13107 != PackageManager.SIGNATURE_MATCH) { 13108 throw new SecurityException( 13109 "Caller does not have same cert as old installer package " 13110 + targetPackageSetting.installerPackageName); 13111 } 13112 } 13113 } 13114 13115 // Okay! 13116 targetPackageSetting.installerPackageName = installerPackageName; 13117 if (installerPackageName != null) { 13118 mSettings.mInstallerPackages.add(installerPackageName); 13119 } 13120 scheduleWriteSettingsLocked(); 13121 } 13122 } 13123 13124 @Override 13125 public void setApplicationCategoryHint(String packageName, int categoryHint, 13126 String callerPackageName) { 13127 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13128 callerPackageName); 13129 synchronized (mPackages) { 13130 PackageSetting ps = mSettings.mPackages.get(packageName); 13131 if (ps == null) { 13132 throw new IllegalArgumentException("Unknown target package " + packageName); 13133 } 13134 13135 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13136 throw new IllegalArgumentException("Calling package " + callerPackageName 13137 + " is not installer for " + packageName); 13138 } 13139 13140 if (ps.categoryHint != categoryHint) { 13141 ps.categoryHint = categoryHint; 13142 scheduleWriteSettingsLocked(); 13143 } 13144 } 13145 } 13146 13147 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13148 // Queue up an async operation since the package installation may take a little while. 13149 mHandler.post(new Runnable() { 13150 public void run() { 13151 mHandler.removeCallbacks(this); 13152 // Result object to be returned 13153 PackageInstalledInfo res = new PackageInstalledInfo(); 13154 res.setReturnCode(currentStatus); 13155 res.uid = -1; 13156 res.pkg = null; 13157 res.removedInfo = null; 13158 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13159 args.doPreInstall(res.returnCode); 13160 synchronized (mInstallLock) { 13161 installPackageTracedLI(args, res); 13162 } 13163 args.doPostInstall(res.returnCode, res.uid); 13164 } 13165 13166 // A restore should be performed at this point if (a) the install 13167 // succeeded, (b) the operation is not an update, and (c) the new 13168 // package has not opted out of backup participation. 13169 final boolean update = res.removedInfo != null 13170 && res.removedInfo.removedPackage != null; 13171 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13172 boolean doRestore = !update 13173 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13174 13175 // Set up the post-install work request bookkeeping. This will be used 13176 // and cleaned up by the post-install event handling regardless of whether 13177 // there's a restore pass performed. Token values are >= 1. 13178 int token; 13179 if (mNextInstallToken < 0) mNextInstallToken = 1; 13180 token = mNextInstallToken++; 13181 13182 PostInstallData data = new PostInstallData(args, res); 13183 mRunningInstalls.put(token, data); 13184 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13185 13186 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13187 // Pass responsibility to the Backup Manager. It will perform a 13188 // restore if appropriate, then pass responsibility back to the 13189 // Package Manager to run the post-install observer callbacks 13190 // and broadcasts. 13191 IBackupManager bm = IBackupManager.Stub.asInterface( 13192 ServiceManager.getService(Context.BACKUP_SERVICE)); 13193 if (bm != null) { 13194 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13195 + " to BM for possible restore"); 13196 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13197 try { 13198 // TODO: http://b/22388012 13199 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 13200 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 13201 } else { 13202 doRestore = false; 13203 } 13204 } catch (RemoteException e) { 13205 // can't happen; the backup manager is local 13206 } catch (Exception e) { 13207 Slog.e(TAG, "Exception trying to enqueue restore", e); 13208 doRestore = false; 13209 } 13210 } else { 13211 Slog.e(TAG, "Backup Manager not found!"); 13212 doRestore = false; 13213 } 13214 } 13215 13216 if (!doRestore) { 13217 // No restore possible, or the Backup Manager was mysteriously not 13218 // available -- just fire the post-install work request directly. 13219 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 13220 13221 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 13222 13223 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 13224 mHandler.sendMessage(msg); 13225 } 13226 } 13227 }); 13228 } 13229 13230 /** 13231 * Callback from PackageSettings whenever an app is first transitioned out of the 13232 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 13233 * the app was "launched" for a restoreAtInstall operation. Therefore we check 13234 * here whether the app is the target of an ongoing install, and only send the 13235 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 13236 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 13237 * handling. 13238 */ 13239 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 13240 // Serialize this with the rest of the install-process message chain. In the 13241 // restore-at-install case, this Runnable will necessarily run before the 13242 // POST_INSTALL message is processed, so the contents of mRunningInstalls 13243 // are coherent. In the non-restore case, the app has already completed install 13244 // and been launched through some other means, so it is not in a problematic 13245 // state for observers to see the FIRST_LAUNCH signal. 13246 mHandler.post(new Runnable() { 13247 @Override 13248 public void run() { 13249 for (int i = 0; i < mRunningInstalls.size(); i++) { 13250 final PostInstallData data = mRunningInstalls.valueAt(i); 13251 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13252 continue; 13253 } 13254 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 13255 // right package; but is it for the right user? 13256 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 13257 if (userId == data.res.newUsers[uIndex]) { 13258 if (DEBUG_BACKUP) { 13259 Slog.i(TAG, "Package " + pkgName 13260 + " being restored so deferring FIRST_LAUNCH"); 13261 } 13262 return; 13263 } 13264 } 13265 } 13266 } 13267 // didn't find it, so not being restored 13268 if (DEBUG_BACKUP) { 13269 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 13270 } 13271 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 13272 } 13273 }); 13274 } 13275 13276 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 13277 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 13278 installerPkg, null, userIds); 13279 } 13280 13281 private abstract class HandlerParams { 13282 private static final int MAX_RETRIES = 4; 13283 13284 /** 13285 * Number of times startCopy() has been attempted and had a non-fatal 13286 * error. 13287 */ 13288 private int mRetries = 0; 13289 13290 /** User handle for the user requesting the information or installation. */ 13291 private final UserHandle mUser; 13292 String traceMethod; 13293 int traceCookie; 13294 13295 HandlerParams(UserHandle user) { 13296 mUser = user; 13297 } 13298 13299 UserHandle getUser() { 13300 return mUser; 13301 } 13302 13303 HandlerParams setTraceMethod(String traceMethod) { 13304 this.traceMethod = traceMethod; 13305 return this; 13306 } 13307 13308 HandlerParams setTraceCookie(int traceCookie) { 13309 this.traceCookie = traceCookie; 13310 return this; 13311 } 13312 13313 final boolean startCopy() { 13314 boolean res; 13315 try { 13316 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 13317 13318 if (++mRetries > MAX_RETRIES) { 13319 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 13320 mHandler.sendEmptyMessage(MCS_GIVE_UP); 13321 handleServiceError(); 13322 return false; 13323 } else { 13324 handleStartCopy(); 13325 res = true; 13326 } 13327 } catch (RemoteException e) { 13328 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 13329 mHandler.sendEmptyMessage(MCS_RECONNECT); 13330 res = false; 13331 } 13332 handleReturnCode(); 13333 return res; 13334 } 13335 13336 final void serviceError() { 13337 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 13338 handleServiceError(); 13339 handleReturnCode(); 13340 } 13341 13342 abstract void handleStartCopy() throws RemoteException; 13343 abstract void handleServiceError(); 13344 abstract void handleReturnCode(); 13345 } 13346 13347 class MeasureParams extends HandlerParams { 13348 private final PackageStats mStats; 13349 private boolean mSuccess; 13350 13351 private final IPackageStatsObserver mObserver; 13352 13353 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 13354 super(new UserHandle(stats.userHandle)); 13355 mObserver = observer; 13356 mStats = stats; 13357 } 13358 13359 @Override 13360 public String toString() { 13361 return "MeasureParams{" 13362 + Integer.toHexString(System.identityHashCode(this)) 13363 + " " + mStats.packageName + "}"; 13364 } 13365 13366 @Override 13367 void handleStartCopy() throws RemoteException { 13368 synchronized (mInstallLock) { 13369 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 13370 } 13371 13372 if (mSuccess) { 13373 boolean mounted = false; 13374 try { 13375 final String status = Environment.getExternalStorageState(); 13376 mounted = (Environment.MEDIA_MOUNTED.equals(status) 13377 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 13378 } catch (Exception e) { 13379 } 13380 13381 if (mounted) { 13382 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 13383 13384 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 13385 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 13386 13387 mStats.externalDataSize = calculateDirectorySize(mContainerService, 13388 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 13389 13390 // Always subtract cache size, since it's a subdirectory 13391 mStats.externalDataSize -= mStats.externalCacheSize; 13392 13393 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 13394 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 13395 13396 mStats.externalObbSize = calculateDirectorySize(mContainerService, 13397 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 13398 } 13399 } 13400 } 13401 13402 @Override 13403 void handleReturnCode() { 13404 if (mObserver != null) { 13405 try { 13406 mObserver.onGetStatsCompleted(mStats, mSuccess); 13407 } catch (RemoteException e) { 13408 Slog.i(TAG, "Observer no longer exists."); 13409 } 13410 } 13411 } 13412 13413 @Override 13414 void handleServiceError() { 13415 Slog.e(TAG, "Could not measure application " + mStats.packageName 13416 + " external storage"); 13417 } 13418 } 13419 13420 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 13421 throws RemoteException { 13422 long result = 0; 13423 for (File path : paths) { 13424 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 13425 } 13426 return result; 13427 } 13428 13429 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 13430 for (File path : paths) { 13431 try { 13432 mcs.clearDirectory(path.getAbsolutePath()); 13433 } catch (RemoteException e) { 13434 } 13435 } 13436 } 13437 13438 static class OriginInfo { 13439 /** 13440 * Location where install is coming from, before it has been 13441 * copied/renamed into place. This could be a single monolithic APK 13442 * file, or a cluster directory. This location may be untrusted. 13443 */ 13444 final File file; 13445 final String cid; 13446 13447 /** 13448 * Flag indicating that {@link #file} or {@link #cid} has already been 13449 * staged, meaning downstream users don't need to defensively copy the 13450 * contents. 13451 */ 13452 final boolean staged; 13453 13454 /** 13455 * Flag indicating that {@link #file} or {@link #cid} is an already 13456 * installed app that is being moved. 13457 */ 13458 final boolean existing; 13459 13460 final String resolvedPath; 13461 final File resolvedFile; 13462 13463 static OriginInfo fromNothing() { 13464 return new OriginInfo(null, null, false, false); 13465 } 13466 13467 static OriginInfo fromUntrustedFile(File file) { 13468 return new OriginInfo(file, null, false, false); 13469 } 13470 13471 static OriginInfo fromExistingFile(File file) { 13472 return new OriginInfo(file, null, false, true); 13473 } 13474 13475 static OriginInfo fromStagedFile(File file) { 13476 return new OriginInfo(file, null, true, false); 13477 } 13478 13479 static OriginInfo fromStagedContainer(String cid) { 13480 return new OriginInfo(null, cid, true, false); 13481 } 13482 13483 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 13484 this.file = file; 13485 this.cid = cid; 13486 this.staged = staged; 13487 this.existing = existing; 13488 13489 if (cid != null) { 13490 resolvedPath = PackageHelper.getSdDir(cid); 13491 resolvedFile = new File(resolvedPath); 13492 } else if (file != null) { 13493 resolvedPath = file.getAbsolutePath(); 13494 resolvedFile = file; 13495 } else { 13496 resolvedPath = null; 13497 resolvedFile = null; 13498 } 13499 } 13500 } 13501 13502 static class MoveInfo { 13503 final int moveId; 13504 final String fromUuid; 13505 final String toUuid; 13506 final String packageName; 13507 final String dataAppName; 13508 final int appId; 13509 final String seinfo; 13510 final int targetSdkVersion; 13511 13512 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 13513 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 13514 this.moveId = moveId; 13515 this.fromUuid = fromUuid; 13516 this.toUuid = toUuid; 13517 this.packageName = packageName; 13518 this.dataAppName = dataAppName; 13519 this.appId = appId; 13520 this.seinfo = seinfo; 13521 this.targetSdkVersion = targetSdkVersion; 13522 } 13523 } 13524 13525 static class VerificationInfo { 13526 /** A constant used to indicate that a uid value is not present. */ 13527 public static final int NO_UID = -1; 13528 13529 /** URI referencing where the package was downloaded from. */ 13530 final Uri originatingUri; 13531 13532 /** HTTP referrer URI associated with the originatingURI. */ 13533 final Uri referrer; 13534 13535 /** UID of the application that the install request originated from. */ 13536 final int originatingUid; 13537 13538 /** UID of application requesting the install */ 13539 final int installerUid; 13540 13541 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 13542 this.originatingUri = originatingUri; 13543 this.referrer = referrer; 13544 this.originatingUid = originatingUid; 13545 this.installerUid = installerUid; 13546 } 13547 } 13548 13549 class InstallParams extends HandlerParams { 13550 final OriginInfo origin; 13551 final MoveInfo move; 13552 final IPackageInstallObserver2 observer; 13553 int installFlags; 13554 final String installerPackageName; 13555 final String volumeUuid; 13556 private InstallArgs mArgs; 13557 private int mRet; 13558 final String packageAbiOverride; 13559 final String[] grantedRuntimePermissions; 13560 final VerificationInfo verificationInfo; 13561 final Certificate[][] certificates; 13562 final int installReason; 13563 13564 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13565 int installFlags, String installerPackageName, String volumeUuid, 13566 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 13567 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 13568 super(user); 13569 this.origin = origin; 13570 this.move = move; 13571 this.observer = observer; 13572 this.installFlags = installFlags; 13573 this.installerPackageName = installerPackageName; 13574 this.volumeUuid = volumeUuid; 13575 this.verificationInfo = verificationInfo; 13576 this.packageAbiOverride = packageAbiOverride; 13577 this.grantedRuntimePermissions = grantedPermissions; 13578 this.certificates = certificates; 13579 this.installReason = installReason; 13580 } 13581 13582 @Override 13583 public String toString() { 13584 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 13585 + " file=" + origin.file + " cid=" + origin.cid + "}"; 13586 } 13587 13588 private int installLocationPolicy(PackageInfoLite pkgLite) { 13589 String packageName = pkgLite.packageName; 13590 int installLocation = pkgLite.installLocation; 13591 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13592 // reader 13593 synchronized (mPackages) { 13594 // Currently installed package which the new package is attempting to replace or 13595 // null if no such package is installed. 13596 PackageParser.Package installedPkg = mPackages.get(packageName); 13597 // Package which currently owns the data which the new package will own if installed. 13598 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 13599 // will be null whereas dataOwnerPkg will contain information about the package 13600 // which was uninstalled while keeping its data. 13601 PackageParser.Package dataOwnerPkg = installedPkg; 13602 if (dataOwnerPkg == null) { 13603 PackageSetting ps = mSettings.mPackages.get(packageName); 13604 if (ps != null) { 13605 dataOwnerPkg = ps.pkg; 13606 } 13607 } 13608 13609 if (dataOwnerPkg != null) { 13610 // If installed, the package will get access to data left on the device by its 13611 // predecessor. As a security measure, this is permited only if this is not a 13612 // version downgrade or if the predecessor package is marked as debuggable and 13613 // a downgrade is explicitly requested. 13614 // 13615 // On debuggable platform builds, downgrades are permitted even for 13616 // non-debuggable packages to make testing easier. Debuggable platform builds do 13617 // not offer security guarantees and thus it's OK to disable some security 13618 // mechanisms to make debugging/testing easier on those builds. However, even on 13619 // debuggable builds downgrades of packages are permitted only if requested via 13620 // installFlags. This is because we aim to keep the behavior of debuggable 13621 // platform builds as close as possible to the behavior of non-debuggable 13622 // platform builds. 13623 final boolean downgradeRequested = 13624 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 13625 final boolean packageDebuggable = 13626 (dataOwnerPkg.applicationInfo.flags 13627 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 13628 final boolean downgradePermitted = 13629 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 13630 if (!downgradePermitted) { 13631 try { 13632 checkDowngrade(dataOwnerPkg, pkgLite); 13633 } catch (PackageManagerException e) { 13634 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 13635 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 13636 } 13637 } 13638 } 13639 13640 if (installedPkg != null) { 13641 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13642 // Check for updated system application. 13643 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13644 if (onSd) { 13645 Slog.w(TAG, "Cannot install update to system app on sdcard"); 13646 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 13647 } 13648 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13649 } else { 13650 if (onSd) { 13651 // Install flag overrides everything. 13652 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13653 } 13654 // If current upgrade specifies particular preference 13655 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 13656 // Application explicitly specified internal. 13657 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13658 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 13659 // App explictly prefers external. Let policy decide 13660 } else { 13661 // Prefer previous location 13662 if (isExternal(installedPkg)) { 13663 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13664 } 13665 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 13666 } 13667 } 13668 } else { 13669 // Invalid install. Return error code 13670 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 13671 } 13672 } 13673 } 13674 // All the special cases have been taken care of. 13675 // Return result based on recommended install location. 13676 if (onSd) { 13677 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 13678 } 13679 return pkgLite.recommendedInstallLocation; 13680 } 13681 13682 /* 13683 * Invoke remote method to get package information and install 13684 * location values. Override install location based on default 13685 * policy if needed and then create install arguments based 13686 * on the install location. 13687 */ 13688 public void handleStartCopy() throws RemoteException { 13689 int ret = PackageManager.INSTALL_SUCCEEDED; 13690 13691 // If we're already staged, we've firmly committed to an install location 13692 if (origin.staged) { 13693 if (origin.file != null) { 13694 installFlags |= PackageManager.INSTALL_INTERNAL; 13695 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13696 } else if (origin.cid != null) { 13697 installFlags |= PackageManager.INSTALL_EXTERNAL; 13698 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13699 } else { 13700 throw new IllegalStateException("Invalid stage location"); 13701 } 13702 } 13703 13704 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13705 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 13706 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13707 PackageInfoLite pkgLite = null; 13708 13709 if (onInt && onSd) { 13710 // Check if both bits are set. 13711 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 13712 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13713 } else if (onSd && ephemeral) { 13714 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 13715 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13716 } else { 13717 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 13718 packageAbiOverride); 13719 13720 if (DEBUG_EPHEMERAL && ephemeral) { 13721 Slog.v(TAG, "pkgLite for install: " + pkgLite); 13722 } 13723 13724 /* 13725 * If we have too little free space, try to free cache 13726 * before giving up. 13727 */ 13728 if (!origin.staged && pkgLite.recommendedInstallLocation 13729 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13730 // TODO: focus freeing disk space on the target device 13731 final StorageManager storage = StorageManager.from(mContext); 13732 final long lowThreshold = storage.getStorageLowBytes( 13733 Environment.getDataDirectory()); 13734 13735 final long sizeBytes = mContainerService.calculateInstalledSize( 13736 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 13737 13738 try { 13739 mInstaller.freeCache(null, sizeBytes + lowThreshold); 13740 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 13741 installFlags, packageAbiOverride); 13742 } catch (InstallerException e) { 13743 Slog.w(TAG, "Failed to free cache", e); 13744 } 13745 13746 /* 13747 * The cache free must have deleted the file we 13748 * downloaded to install. 13749 * 13750 * TODO: fix the "freeCache" call to not delete 13751 * the file we care about. 13752 */ 13753 if (pkgLite.recommendedInstallLocation 13754 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13755 pkgLite.recommendedInstallLocation 13756 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 13757 } 13758 } 13759 } 13760 13761 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13762 int loc = pkgLite.recommendedInstallLocation; 13763 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 13764 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 13765 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 13766 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 13767 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 13768 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13769 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 13770 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 13771 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 13772 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 13773 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 13774 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 13775 } else { 13776 // Override with defaults if needed. 13777 loc = installLocationPolicy(pkgLite); 13778 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 13779 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 13780 } else if (!onSd && !onInt) { 13781 // Override install location with flags 13782 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 13783 // Set the flag to install on external media. 13784 installFlags |= PackageManager.INSTALL_EXTERNAL; 13785 installFlags &= ~PackageManager.INSTALL_INTERNAL; 13786 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 13787 if (DEBUG_EPHEMERAL) { 13788 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 13789 } 13790 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13791 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 13792 |PackageManager.INSTALL_INTERNAL); 13793 } else { 13794 // Make sure the flag for installing on external 13795 // media is unset 13796 installFlags |= PackageManager.INSTALL_INTERNAL; 13797 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 13798 } 13799 } 13800 } 13801 } 13802 13803 final InstallArgs args = createInstallArgs(this); 13804 mArgs = args; 13805 13806 if (ret == PackageManager.INSTALL_SUCCEEDED) { 13807 // TODO: http://b/22976637 13808 // Apps installed for "all" users use the device owner to verify the app 13809 UserHandle verifierUser = getUser(); 13810 if (verifierUser == UserHandle.ALL) { 13811 verifierUser = UserHandle.SYSTEM; 13812 } 13813 13814 /* 13815 * Determine if we have any installed package verifiers. If we 13816 * do, then we'll defer to them to verify the packages. 13817 */ 13818 final int requiredUid = mRequiredVerifierPackage == null ? -1 13819 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13820 verifierUser.getIdentifier()); 13821 if (!origin.existing && requiredUid != -1 13822 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13823 final Intent verification = new Intent( 13824 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13825 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13826 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13827 PACKAGE_MIME_TYPE); 13828 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13829 13830 // Query all live verifiers based on current user state 13831 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13832 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13833 13834 if (DEBUG_VERIFY) { 13835 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13836 + verification.toString() + " with " + pkgLite.verifiers.length 13837 + " optional verifiers"); 13838 } 13839 13840 final int verificationId = mPendingVerificationToken++; 13841 13842 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13843 13844 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13845 installerPackageName); 13846 13847 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13848 installFlags); 13849 13850 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13851 pkgLite.packageName); 13852 13853 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13854 pkgLite.versionCode); 13855 13856 if (verificationInfo != null) { 13857 if (verificationInfo.originatingUri != null) { 13858 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13859 verificationInfo.originatingUri); 13860 } 13861 if (verificationInfo.referrer != null) { 13862 verification.putExtra(Intent.EXTRA_REFERRER, 13863 verificationInfo.referrer); 13864 } 13865 if (verificationInfo.originatingUid >= 0) { 13866 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13867 verificationInfo.originatingUid); 13868 } 13869 if (verificationInfo.installerUid >= 0) { 13870 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13871 verificationInfo.installerUid); 13872 } 13873 } 13874 13875 final PackageVerificationState verificationState = new PackageVerificationState( 13876 requiredUid, args); 13877 13878 mPendingVerification.append(verificationId, verificationState); 13879 13880 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13881 receivers, verificationState); 13882 13883 /* 13884 * If any sufficient verifiers were listed in the package 13885 * manifest, attempt to ask them. 13886 */ 13887 if (sufficientVerifiers != null) { 13888 final int N = sufficientVerifiers.size(); 13889 if (N == 0) { 13890 Slog.i(TAG, "Additional verifiers required, but none installed."); 13891 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13892 } else { 13893 for (int i = 0; i < N; i++) { 13894 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13895 13896 final Intent sufficientIntent = new Intent(verification); 13897 sufficientIntent.setComponent(verifierComponent); 13898 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13899 } 13900 } 13901 } 13902 13903 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13904 mRequiredVerifierPackage, receivers); 13905 if (ret == PackageManager.INSTALL_SUCCEEDED 13906 && mRequiredVerifierPackage != null) { 13907 Trace.asyncTraceBegin( 13908 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13909 /* 13910 * Send the intent to the required verification agent, 13911 * but only start the verification timeout after the 13912 * target BroadcastReceivers have run. 13913 */ 13914 verification.setComponent(requiredVerifierComponent); 13915 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13916 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13917 new BroadcastReceiver() { 13918 @Override 13919 public void onReceive(Context context, Intent intent) { 13920 final Message msg = mHandler 13921 .obtainMessage(CHECK_PENDING_VERIFICATION); 13922 msg.arg1 = verificationId; 13923 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13924 } 13925 }, null, 0, null, null); 13926 13927 /* 13928 * We don't want the copy to proceed until verification 13929 * succeeds, so null out this field. 13930 */ 13931 mArgs = null; 13932 } 13933 } else { 13934 /* 13935 * No package verification is enabled, so immediately start 13936 * the remote call to initiate copy using temporary file. 13937 */ 13938 ret = args.copyApk(mContainerService, true); 13939 } 13940 } 13941 13942 mRet = ret; 13943 } 13944 13945 @Override 13946 void handleReturnCode() { 13947 // If mArgs is null, then MCS couldn't be reached. When it 13948 // reconnects, it will try again to install. At that point, this 13949 // will succeed. 13950 if (mArgs != null) { 13951 processPendingInstall(mArgs, mRet); 13952 } 13953 } 13954 13955 @Override 13956 void handleServiceError() { 13957 mArgs = createInstallArgs(this); 13958 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13959 } 13960 13961 public boolean isForwardLocked() { 13962 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13963 } 13964 } 13965 13966 /** 13967 * Used during creation of InstallArgs 13968 * 13969 * @param installFlags package installation flags 13970 * @return true if should be installed on external storage 13971 */ 13972 private static boolean installOnExternalAsec(int installFlags) { 13973 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13974 return false; 13975 } 13976 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13977 return true; 13978 } 13979 return false; 13980 } 13981 13982 /** 13983 * Used during creation of InstallArgs 13984 * 13985 * @param installFlags package installation flags 13986 * @return true if should be installed as forward locked 13987 */ 13988 private static boolean installForwardLocked(int installFlags) { 13989 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13990 } 13991 13992 private InstallArgs createInstallArgs(InstallParams params) { 13993 if (params.move != null) { 13994 return new MoveInstallArgs(params); 13995 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13996 return new AsecInstallArgs(params); 13997 } else { 13998 return new FileInstallArgs(params); 13999 } 14000 } 14001 14002 /** 14003 * Create args that describe an existing installed package. Typically used 14004 * when cleaning up old installs, or used as a move source. 14005 */ 14006 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14007 String resourcePath, String[] instructionSets) { 14008 final boolean isInAsec; 14009 if (installOnExternalAsec(installFlags)) { 14010 /* Apps on SD card are always in ASEC containers. */ 14011 isInAsec = true; 14012 } else if (installForwardLocked(installFlags) 14013 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14014 /* 14015 * Forward-locked apps are only in ASEC containers if they're the 14016 * new style 14017 */ 14018 isInAsec = true; 14019 } else { 14020 isInAsec = false; 14021 } 14022 14023 if (isInAsec) { 14024 return new AsecInstallArgs(codePath, instructionSets, 14025 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14026 } else { 14027 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14028 } 14029 } 14030 14031 static abstract class InstallArgs { 14032 /** @see InstallParams#origin */ 14033 final OriginInfo origin; 14034 /** @see InstallParams#move */ 14035 final MoveInfo move; 14036 14037 final IPackageInstallObserver2 observer; 14038 // Always refers to PackageManager flags only 14039 final int installFlags; 14040 final String installerPackageName; 14041 final String volumeUuid; 14042 final UserHandle user; 14043 final String abiOverride; 14044 final String[] installGrantPermissions; 14045 /** If non-null, drop an async trace when the install completes */ 14046 final String traceMethod; 14047 final int traceCookie; 14048 final Certificate[][] certificates; 14049 final int installReason; 14050 14051 // The list of instruction sets supported by this app. This is currently 14052 // only used during the rmdex() phase to clean up resources. We can get rid of this 14053 // if we move dex files under the common app path. 14054 /* nullable */ String[] instructionSets; 14055 14056 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14057 int installFlags, String installerPackageName, String volumeUuid, 14058 UserHandle user, String[] instructionSets, 14059 String abiOverride, String[] installGrantPermissions, 14060 String traceMethod, int traceCookie, Certificate[][] certificates, 14061 int installReason) { 14062 this.origin = origin; 14063 this.move = move; 14064 this.installFlags = installFlags; 14065 this.observer = observer; 14066 this.installerPackageName = installerPackageName; 14067 this.volumeUuid = volumeUuid; 14068 this.user = user; 14069 this.instructionSets = instructionSets; 14070 this.abiOverride = abiOverride; 14071 this.installGrantPermissions = installGrantPermissions; 14072 this.traceMethod = traceMethod; 14073 this.traceCookie = traceCookie; 14074 this.certificates = certificates; 14075 this.installReason = installReason; 14076 } 14077 14078 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14079 abstract int doPreInstall(int status); 14080 14081 /** 14082 * Rename package into final resting place. All paths on the given 14083 * scanned package should be updated to reflect the rename. 14084 */ 14085 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14086 abstract int doPostInstall(int status, int uid); 14087 14088 /** @see PackageSettingBase#codePathString */ 14089 abstract String getCodePath(); 14090 /** @see PackageSettingBase#resourcePathString */ 14091 abstract String getResourcePath(); 14092 14093 // Need installer lock especially for dex file removal. 14094 abstract void cleanUpResourcesLI(); 14095 abstract boolean doPostDeleteLI(boolean delete); 14096 14097 /** 14098 * Called before the source arguments are copied. This is used mostly 14099 * for MoveParams when it needs to read the source file to put it in the 14100 * destination. 14101 */ 14102 int doPreCopy() { 14103 return PackageManager.INSTALL_SUCCEEDED; 14104 } 14105 14106 /** 14107 * Called after the source arguments are copied. This is used mostly for 14108 * MoveParams when it needs to read the source file to put it in the 14109 * destination. 14110 */ 14111 int doPostCopy(int uid) { 14112 return PackageManager.INSTALL_SUCCEEDED; 14113 } 14114 14115 protected boolean isFwdLocked() { 14116 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14117 } 14118 14119 protected boolean isExternalAsec() { 14120 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14121 } 14122 14123 protected boolean isEphemeral() { 14124 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14125 } 14126 14127 UserHandle getUser() { 14128 return user; 14129 } 14130 } 14131 14132 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14133 if (!allCodePaths.isEmpty()) { 14134 if (instructionSets == null) { 14135 throw new IllegalStateException("instructionSet == null"); 14136 } 14137 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14138 for (String codePath : allCodePaths) { 14139 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14140 try { 14141 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14142 } catch (InstallerException ignored) { 14143 } 14144 } 14145 } 14146 } 14147 } 14148 14149 /** 14150 * Logic to handle installation of non-ASEC applications, including copying 14151 * and renaming logic. 14152 */ 14153 class FileInstallArgs extends InstallArgs { 14154 private File codeFile; 14155 private File resourceFile; 14156 14157 // Example topology: 14158 // /data/app/com.example/base.apk 14159 // /data/app/com.example/split_foo.apk 14160 // /data/app/com.example/lib/arm/libfoo.so 14161 // /data/app/com.example/lib/arm64/libfoo.so 14162 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14163 14164 /** New install */ 14165 FileInstallArgs(InstallParams params) { 14166 super(params.origin, params.move, params.observer, params.installFlags, 14167 params.installerPackageName, params.volumeUuid, 14168 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14169 params.grantedRuntimePermissions, 14170 params.traceMethod, params.traceCookie, params.certificates, 14171 params.installReason); 14172 if (isFwdLocked()) { 14173 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14174 } 14175 } 14176 14177 /** Existing install */ 14178 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14179 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14180 null, null, null, 0, null /*certificates*/, 14181 PackageManager.INSTALL_REASON_UNKNOWN); 14182 this.codeFile = (codePath != null) ? new File(codePath) : null; 14183 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14184 } 14185 14186 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14187 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14188 try { 14189 return doCopyApk(imcs, temp); 14190 } finally { 14191 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14192 } 14193 } 14194 14195 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14196 if (origin.staged) { 14197 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14198 codeFile = origin.file; 14199 resourceFile = origin.file; 14200 return PackageManager.INSTALL_SUCCEEDED; 14201 } 14202 14203 try { 14204 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14205 final File tempDir = 14206 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14207 codeFile = tempDir; 14208 resourceFile = tempDir; 14209 } catch (IOException e) { 14210 Slog.w(TAG, "Failed to create copy file: " + e); 14211 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14212 } 14213 14214 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14215 @Override 14216 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14217 if (!FileUtils.isValidExtFilename(name)) { 14218 throw new IllegalArgumentException("Invalid filename: " + name); 14219 } 14220 try { 14221 final File file = new File(codeFile, name); 14222 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14223 O_RDWR | O_CREAT, 0644); 14224 Os.chmod(file.getAbsolutePath(), 0644); 14225 return new ParcelFileDescriptor(fd); 14226 } catch (ErrnoException e) { 14227 throw new RemoteException("Failed to open: " + e.getMessage()); 14228 } 14229 } 14230 }; 14231 14232 int ret = PackageManager.INSTALL_SUCCEEDED; 14233 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14234 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14235 Slog.e(TAG, "Failed to copy package"); 14236 return ret; 14237 } 14238 14239 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14240 NativeLibraryHelper.Handle handle = null; 14241 try { 14242 handle = NativeLibraryHelper.Handle.create(codeFile); 14243 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14244 abiOverride); 14245 } catch (IOException e) { 14246 Slog.e(TAG, "Copying native libraries failed", e); 14247 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14248 } finally { 14249 IoUtils.closeQuietly(handle); 14250 } 14251 14252 return ret; 14253 } 14254 14255 int doPreInstall(int status) { 14256 if (status != PackageManager.INSTALL_SUCCEEDED) { 14257 cleanUp(); 14258 } 14259 return status; 14260 } 14261 14262 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14263 if (status != PackageManager.INSTALL_SUCCEEDED) { 14264 cleanUp(); 14265 return false; 14266 } 14267 14268 final File targetDir = codeFile.getParentFile(); 14269 final File beforeCodeFile = codeFile; 14270 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14271 14272 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 14273 try { 14274 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 14275 } catch (ErrnoException e) { 14276 Slog.w(TAG, "Failed to rename", e); 14277 return false; 14278 } 14279 14280 if (!SELinux.restoreconRecursive(afterCodeFile)) { 14281 Slog.w(TAG, "Failed to restorecon"); 14282 return false; 14283 } 14284 14285 // Reflect the rename internally 14286 codeFile = afterCodeFile; 14287 resourceFile = afterCodeFile; 14288 14289 // Reflect the rename in scanned details 14290 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14291 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14292 afterCodeFile, pkg.baseCodePath)); 14293 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14294 afterCodeFile, pkg.splitCodePaths)); 14295 14296 // Reflect the rename in app info 14297 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14298 pkg.setApplicationInfoCodePath(pkg.codePath); 14299 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14300 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14301 pkg.setApplicationInfoResourcePath(pkg.codePath); 14302 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14303 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14304 14305 return true; 14306 } 14307 14308 int doPostInstall(int status, int uid) { 14309 if (status != PackageManager.INSTALL_SUCCEEDED) { 14310 cleanUp(); 14311 } 14312 return status; 14313 } 14314 14315 @Override 14316 String getCodePath() { 14317 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14318 } 14319 14320 @Override 14321 String getResourcePath() { 14322 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14323 } 14324 14325 private boolean cleanUp() { 14326 if (codeFile == null || !codeFile.exists()) { 14327 return false; 14328 } 14329 14330 removeCodePathLI(codeFile); 14331 14332 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 14333 resourceFile.delete(); 14334 } 14335 14336 return true; 14337 } 14338 14339 void cleanUpResourcesLI() { 14340 // Try enumerating all code paths before deleting 14341 List<String> allCodePaths = Collections.EMPTY_LIST; 14342 if (codeFile != null && codeFile.exists()) { 14343 try { 14344 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14345 allCodePaths = pkg.getAllCodePaths(); 14346 } catch (PackageParserException e) { 14347 // Ignored; we tried our best 14348 } 14349 } 14350 14351 cleanUp(); 14352 removeDexFiles(allCodePaths, instructionSets); 14353 } 14354 14355 boolean doPostDeleteLI(boolean delete) { 14356 // XXX err, shouldn't we respect the delete flag? 14357 cleanUpResourcesLI(); 14358 return true; 14359 } 14360 } 14361 14362 private boolean isAsecExternal(String cid) { 14363 final String asecPath = PackageHelper.getSdFilesystem(cid); 14364 return !asecPath.startsWith(mAsecInternalPath); 14365 } 14366 14367 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 14368 PackageManagerException { 14369 if (copyRet < 0) { 14370 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 14371 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 14372 throw new PackageManagerException(copyRet, message); 14373 } 14374 } 14375 } 14376 14377 /** 14378 * Extract the StorageManagerService "container ID" from the full code path of an 14379 * .apk. 14380 */ 14381 static String cidFromCodePath(String fullCodePath) { 14382 int eidx = fullCodePath.lastIndexOf("/"); 14383 String subStr1 = fullCodePath.substring(0, eidx); 14384 int sidx = subStr1.lastIndexOf("/"); 14385 return subStr1.substring(sidx+1, eidx); 14386 } 14387 14388 /** 14389 * Logic to handle installation of ASEC applications, including copying and 14390 * renaming logic. 14391 */ 14392 class AsecInstallArgs extends InstallArgs { 14393 static final String RES_FILE_NAME = "pkg.apk"; 14394 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 14395 14396 String cid; 14397 String packagePath; 14398 String resourcePath; 14399 14400 /** New install */ 14401 AsecInstallArgs(InstallParams params) { 14402 super(params.origin, params.move, params.observer, params.installFlags, 14403 params.installerPackageName, params.volumeUuid, 14404 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14405 params.grantedRuntimePermissions, 14406 params.traceMethod, params.traceCookie, params.certificates, 14407 params.installReason); 14408 } 14409 14410 /** Existing install */ 14411 AsecInstallArgs(String fullCodePath, String[] instructionSets, 14412 boolean isExternal, boolean isForwardLocked) { 14413 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 14414 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 14415 instructionSets, null, null, null, 0, null /*certificates*/, 14416 PackageManager.INSTALL_REASON_UNKNOWN); 14417 // Hackily pretend we're still looking at a full code path 14418 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 14419 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 14420 } 14421 14422 // Extract cid from fullCodePath 14423 int eidx = fullCodePath.lastIndexOf("/"); 14424 String subStr1 = fullCodePath.substring(0, eidx); 14425 int sidx = subStr1.lastIndexOf("/"); 14426 cid = subStr1.substring(sidx+1, eidx); 14427 setMountPath(subStr1); 14428 } 14429 14430 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 14431 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 14432 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 14433 instructionSets, null, null, null, 0, null /*certificates*/, 14434 PackageManager.INSTALL_REASON_UNKNOWN); 14435 this.cid = cid; 14436 setMountPath(PackageHelper.getSdDir(cid)); 14437 } 14438 14439 void createCopyFile() { 14440 cid = mInstallerService.allocateExternalStageCidLegacy(); 14441 } 14442 14443 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14444 if (origin.staged && origin.cid != null) { 14445 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 14446 cid = origin.cid; 14447 setMountPath(PackageHelper.getSdDir(cid)); 14448 return PackageManager.INSTALL_SUCCEEDED; 14449 } 14450 14451 if (temp) { 14452 createCopyFile(); 14453 } else { 14454 /* 14455 * Pre-emptively destroy the container since it's destroyed if 14456 * copying fails due to it existing anyway. 14457 */ 14458 PackageHelper.destroySdDir(cid); 14459 } 14460 14461 final String newMountPath = imcs.copyPackageToContainer( 14462 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 14463 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 14464 14465 if (newMountPath != null) { 14466 setMountPath(newMountPath); 14467 return PackageManager.INSTALL_SUCCEEDED; 14468 } else { 14469 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14470 } 14471 } 14472 14473 @Override 14474 String getCodePath() { 14475 return packagePath; 14476 } 14477 14478 @Override 14479 String getResourcePath() { 14480 return resourcePath; 14481 } 14482 14483 int doPreInstall(int status) { 14484 if (status != PackageManager.INSTALL_SUCCEEDED) { 14485 // Destroy container 14486 PackageHelper.destroySdDir(cid); 14487 } else { 14488 boolean mounted = PackageHelper.isContainerMounted(cid); 14489 if (!mounted) { 14490 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 14491 Process.SYSTEM_UID); 14492 if (newMountPath != null) { 14493 setMountPath(newMountPath); 14494 } else { 14495 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14496 } 14497 } 14498 } 14499 return status; 14500 } 14501 14502 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14503 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 14504 String newMountPath = null; 14505 if (PackageHelper.isContainerMounted(cid)) { 14506 // Unmount the container 14507 if (!PackageHelper.unMountSdDir(cid)) { 14508 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 14509 return false; 14510 } 14511 } 14512 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 14513 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 14514 " which might be stale. Will try to clean up."); 14515 // Clean up the stale container and proceed to recreate. 14516 if (!PackageHelper.destroySdDir(newCacheId)) { 14517 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 14518 return false; 14519 } 14520 // Successfully cleaned up stale container. Try to rename again. 14521 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 14522 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 14523 + " inspite of cleaning it up."); 14524 return false; 14525 } 14526 } 14527 if (!PackageHelper.isContainerMounted(newCacheId)) { 14528 Slog.w(TAG, "Mounting container " + newCacheId); 14529 newMountPath = PackageHelper.mountSdDir(newCacheId, 14530 getEncryptKey(), Process.SYSTEM_UID); 14531 } else { 14532 newMountPath = PackageHelper.getSdDir(newCacheId); 14533 } 14534 if (newMountPath == null) { 14535 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 14536 return false; 14537 } 14538 Log.i(TAG, "Succesfully renamed " + cid + 14539 " to " + newCacheId + 14540 " at new path: " + newMountPath); 14541 cid = newCacheId; 14542 14543 final File beforeCodeFile = new File(packagePath); 14544 setMountPath(newMountPath); 14545 final File afterCodeFile = new File(packagePath); 14546 14547 // Reflect the rename in scanned details 14548 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14549 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14550 afterCodeFile, pkg.baseCodePath)); 14551 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14552 afterCodeFile, pkg.splitCodePaths)); 14553 14554 // Reflect the rename in app info 14555 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14556 pkg.setApplicationInfoCodePath(pkg.codePath); 14557 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14558 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14559 pkg.setApplicationInfoResourcePath(pkg.codePath); 14560 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14561 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14562 14563 return true; 14564 } 14565 14566 private void setMountPath(String mountPath) { 14567 final File mountFile = new File(mountPath); 14568 14569 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 14570 if (monolithicFile.exists()) { 14571 packagePath = monolithicFile.getAbsolutePath(); 14572 if (isFwdLocked()) { 14573 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 14574 } else { 14575 resourcePath = packagePath; 14576 } 14577 } else { 14578 packagePath = mountFile.getAbsolutePath(); 14579 resourcePath = packagePath; 14580 } 14581 } 14582 14583 int doPostInstall(int status, int uid) { 14584 if (status != PackageManager.INSTALL_SUCCEEDED) { 14585 cleanUp(); 14586 } else { 14587 final int groupOwner; 14588 final String protectedFile; 14589 if (isFwdLocked()) { 14590 groupOwner = UserHandle.getSharedAppGid(uid); 14591 protectedFile = RES_FILE_NAME; 14592 } else { 14593 groupOwner = -1; 14594 protectedFile = null; 14595 } 14596 14597 if (uid < Process.FIRST_APPLICATION_UID 14598 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 14599 Slog.e(TAG, "Failed to finalize " + cid); 14600 PackageHelper.destroySdDir(cid); 14601 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14602 } 14603 14604 boolean mounted = PackageHelper.isContainerMounted(cid); 14605 if (!mounted) { 14606 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 14607 } 14608 } 14609 return status; 14610 } 14611 14612 private void cleanUp() { 14613 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 14614 14615 // Destroy secure container 14616 PackageHelper.destroySdDir(cid); 14617 } 14618 14619 private List<String> getAllCodePaths() { 14620 final File codeFile = new File(getCodePath()); 14621 if (codeFile != null && codeFile.exists()) { 14622 try { 14623 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14624 return pkg.getAllCodePaths(); 14625 } catch (PackageParserException e) { 14626 // Ignored; we tried our best 14627 } 14628 } 14629 return Collections.EMPTY_LIST; 14630 } 14631 14632 void cleanUpResourcesLI() { 14633 // Enumerate all code paths before deleting 14634 cleanUpResourcesLI(getAllCodePaths()); 14635 } 14636 14637 private void cleanUpResourcesLI(List<String> allCodePaths) { 14638 cleanUp(); 14639 removeDexFiles(allCodePaths, instructionSets); 14640 } 14641 14642 String getPackageName() { 14643 return getAsecPackageName(cid); 14644 } 14645 14646 boolean doPostDeleteLI(boolean delete) { 14647 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 14648 final List<String> allCodePaths = getAllCodePaths(); 14649 boolean mounted = PackageHelper.isContainerMounted(cid); 14650 if (mounted) { 14651 // Unmount first 14652 if (PackageHelper.unMountSdDir(cid)) { 14653 mounted = false; 14654 } 14655 } 14656 if (!mounted && delete) { 14657 cleanUpResourcesLI(allCodePaths); 14658 } 14659 return !mounted; 14660 } 14661 14662 @Override 14663 int doPreCopy() { 14664 if (isFwdLocked()) { 14665 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 14666 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 14667 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14668 } 14669 } 14670 14671 return PackageManager.INSTALL_SUCCEEDED; 14672 } 14673 14674 @Override 14675 int doPostCopy(int uid) { 14676 if (isFwdLocked()) { 14677 if (uid < Process.FIRST_APPLICATION_UID 14678 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 14679 RES_FILE_NAME)) { 14680 Slog.e(TAG, "Failed to finalize " + cid); 14681 PackageHelper.destroySdDir(cid); 14682 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 14683 } 14684 } 14685 14686 return PackageManager.INSTALL_SUCCEEDED; 14687 } 14688 } 14689 14690 /** 14691 * Logic to handle movement of existing installed applications. 14692 */ 14693 class MoveInstallArgs extends InstallArgs { 14694 private File codeFile; 14695 private File resourceFile; 14696 14697 /** New install */ 14698 MoveInstallArgs(InstallParams params) { 14699 super(params.origin, params.move, params.observer, params.installFlags, 14700 params.installerPackageName, params.volumeUuid, 14701 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 14702 params.grantedRuntimePermissions, 14703 params.traceMethod, params.traceCookie, params.certificates, 14704 params.installReason); 14705 } 14706 14707 int copyApk(IMediaContainerService imcs, boolean temp) { 14708 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 14709 + move.fromUuid + " to " + move.toUuid); 14710 synchronized (mInstaller) { 14711 try { 14712 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 14713 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 14714 } catch (InstallerException e) { 14715 Slog.w(TAG, "Failed to move app", e); 14716 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14717 } 14718 } 14719 14720 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 14721 resourceFile = codeFile; 14722 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 14723 14724 return PackageManager.INSTALL_SUCCEEDED; 14725 } 14726 14727 int doPreInstall(int status) { 14728 if (status != PackageManager.INSTALL_SUCCEEDED) { 14729 cleanUp(move.toUuid); 14730 } 14731 return status; 14732 } 14733 14734 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14735 if (status != PackageManager.INSTALL_SUCCEEDED) { 14736 cleanUp(move.toUuid); 14737 return false; 14738 } 14739 14740 // Reflect the move in app info 14741 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14742 pkg.setApplicationInfoCodePath(pkg.codePath); 14743 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14744 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14745 pkg.setApplicationInfoResourcePath(pkg.codePath); 14746 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14747 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14748 14749 return true; 14750 } 14751 14752 int doPostInstall(int status, int uid) { 14753 if (status == PackageManager.INSTALL_SUCCEEDED) { 14754 cleanUp(move.fromUuid); 14755 } else { 14756 cleanUp(move.toUuid); 14757 } 14758 return status; 14759 } 14760 14761 @Override 14762 String getCodePath() { 14763 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14764 } 14765 14766 @Override 14767 String getResourcePath() { 14768 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14769 } 14770 14771 private boolean cleanUp(String volumeUuid) { 14772 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 14773 move.dataAppName); 14774 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 14775 final int[] userIds = sUserManager.getUserIds(); 14776 synchronized (mInstallLock) { 14777 // Clean up both app data and code 14778 // All package moves are frozen until finished 14779 for (int userId : userIds) { 14780 try { 14781 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 14782 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 14783 } catch (InstallerException e) { 14784 Slog.w(TAG, String.valueOf(e)); 14785 } 14786 } 14787 removeCodePathLI(codeFile); 14788 } 14789 return true; 14790 } 14791 14792 void cleanUpResourcesLI() { 14793 throw new UnsupportedOperationException(); 14794 } 14795 14796 boolean doPostDeleteLI(boolean delete) { 14797 throw new UnsupportedOperationException(); 14798 } 14799 } 14800 14801 static String getAsecPackageName(String packageCid) { 14802 int idx = packageCid.lastIndexOf("-"); 14803 if (idx == -1) { 14804 return packageCid; 14805 } 14806 return packageCid.substring(0, idx); 14807 } 14808 14809 // Utility method used to create code paths based on package name and available index. 14810 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 14811 String idxStr = ""; 14812 int idx = 1; 14813 // Fall back to default value of idx=1 if prefix is not 14814 // part of oldCodePath 14815 if (oldCodePath != null) { 14816 String subStr = oldCodePath; 14817 // Drop the suffix right away 14818 if (suffix != null && subStr.endsWith(suffix)) { 14819 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14820 } 14821 // If oldCodePath already contains prefix find out the 14822 // ending index to either increment or decrement. 14823 int sidx = subStr.lastIndexOf(prefix); 14824 if (sidx != -1) { 14825 subStr = subStr.substring(sidx + prefix.length()); 14826 if (subStr != null) { 14827 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14828 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14829 } 14830 try { 14831 idx = Integer.parseInt(subStr); 14832 if (idx <= 1) { 14833 idx++; 14834 } else { 14835 idx--; 14836 } 14837 } catch(NumberFormatException e) { 14838 } 14839 } 14840 } 14841 } 14842 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14843 return prefix + idxStr; 14844 } 14845 14846 private File getNextCodePath(File targetDir, String packageName) { 14847 File result; 14848 SecureRandom random = new SecureRandom(); 14849 byte[] bytes = new byte[16]; 14850 do { 14851 random.nextBytes(bytes); 14852 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 14853 result = new File(targetDir, packageName + "-" + suffix); 14854 } while (result.exists()); 14855 return result; 14856 } 14857 14858 // Utility method that returns the relative package path with respect 14859 // to the installation directory. Like say for /data/data/com.test-1.apk 14860 // string com.test-1 is returned. 14861 static String deriveCodePathName(String codePath) { 14862 if (codePath == null) { 14863 return null; 14864 } 14865 final File codeFile = new File(codePath); 14866 final String name = codeFile.getName(); 14867 if (codeFile.isDirectory()) { 14868 return name; 14869 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14870 final int lastDot = name.lastIndexOf('.'); 14871 return name.substring(0, lastDot); 14872 } else { 14873 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14874 return null; 14875 } 14876 } 14877 14878 static class PackageInstalledInfo { 14879 String name; 14880 int uid; 14881 // The set of users that originally had this package installed. 14882 int[] origUsers; 14883 // The set of users that now have this package installed. 14884 int[] newUsers; 14885 PackageParser.Package pkg; 14886 int returnCode; 14887 String returnMsg; 14888 PackageRemovedInfo removedInfo; 14889 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14890 14891 public void setError(int code, String msg) { 14892 setReturnCode(code); 14893 setReturnMessage(msg); 14894 Slog.w(TAG, msg); 14895 } 14896 14897 public void setError(String msg, PackageParserException e) { 14898 setReturnCode(e.error); 14899 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14900 Slog.w(TAG, msg, e); 14901 } 14902 14903 public void setError(String msg, PackageManagerException e) { 14904 returnCode = e.error; 14905 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14906 Slog.w(TAG, msg, e); 14907 } 14908 14909 public void setReturnCode(int returnCode) { 14910 this.returnCode = returnCode; 14911 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14912 for (int i = 0; i < childCount; i++) { 14913 addedChildPackages.valueAt(i).returnCode = returnCode; 14914 } 14915 } 14916 14917 private void setReturnMessage(String returnMsg) { 14918 this.returnMsg = returnMsg; 14919 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14920 for (int i = 0; i < childCount; i++) { 14921 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14922 } 14923 } 14924 14925 // In some error cases we want to convey more info back to the observer 14926 String origPackage; 14927 String origPermission; 14928 } 14929 14930 /* 14931 * Install a non-existing package. 14932 */ 14933 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14934 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14935 PackageInstalledInfo res, int installReason) { 14936 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14937 14938 // Remember this for later, in case we need to rollback this install 14939 String pkgName = pkg.packageName; 14940 14941 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14942 14943 synchronized(mPackages) { 14944 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 14945 if (renamedPackage != null) { 14946 // A package with the same name is already installed, though 14947 // it has been renamed to an older name. The package we 14948 // are trying to install should be installed as an update to 14949 // the existing one, but that has not been requested, so bail. 14950 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14951 + " without first uninstalling package running as " 14952 + renamedPackage); 14953 return; 14954 } 14955 if (mPackages.containsKey(pkgName)) { 14956 // Don't allow installation over an existing package with the same name. 14957 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14958 + " without first uninstalling."); 14959 return; 14960 } 14961 } 14962 14963 try { 14964 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14965 System.currentTimeMillis(), user); 14966 14967 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 14968 14969 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14970 prepareAppDataAfterInstallLIF(newPackage); 14971 14972 } else { 14973 // Remove package from internal structures, but keep around any 14974 // data that might have already existed 14975 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14976 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14977 } 14978 } catch (PackageManagerException e) { 14979 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14980 } 14981 14982 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14983 } 14984 14985 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14986 // Can't rotate keys during boot or if sharedUser. 14987 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14988 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14989 return false; 14990 } 14991 // app is using upgradeKeySets; make sure all are valid 14992 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14993 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14994 for (int i = 0; i < upgradeKeySets.length; i++) { 14995 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14996 Slog.wtf(TAG, "Package " 14997 + (oldPs.name != null ? oldPs.name : "<null>") 14998 + " contains upgrade-key-set reference to unknown key-set: " 14999 + upgradeKeySets[i] 15000 + " reverting to signatures check."); 15001 return false; 15002 } 15003 } 15004 return true; 15005 } 15006 15007 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15008 // Upgrade keysets are being used. Determine if new package has a superset of the 15009 // required keys. 15010 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15011 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15012 for (int i = 0; i < upgradeKeySets.length; i++) { 15013 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15014 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15015 return true; 15016 } 15017 } 15018 return false; 15019 } 15020 15021 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15022 try (DigestInputStream digestStream = 15023 new DigestInputStream(new FileInputStream(file), digest)) { 15024 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15025 } 15026 } 15027 15028 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15029 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15030 int installReason) { 15031 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 15032 15033 final PackageParser.Package oldPackage; 15034 final String pkgName = pkg.packageName; 15035 final int[] allUsers; 15036 final int[] installedUsers; 15037 15038 synchronized(mPackages) { 15039 oldPackage = mPackages.get(pkgName); 15040 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15041 15042 // don't allow upgrade to target a release SDK from a pre-release SDK 15043 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15044 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15045 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15046 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15047 if (oldTargetsPreRelease 15048 && !newTargetsPreRelease 15049 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15050 Slog.w(TAG, "Can't install package targeting released sdk"); 15051 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15052 return; 15053 } 15054 15055 // don't allow an upgrade from full to ephemeral 15056 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 15057 if (isEphemeral && !oldIsEphemeral) { 15058 // can't downgrade from full to ephemeral 15059 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 15060 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15061 return; 15062 } 15063 15064 // verify signatures are valid 15065 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15066 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15067 if (!checkUpgradeKeySetLP(ps, pkg)) { 15068 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15069 "New package not signed by keys specified by upgrade-keysets: " 15070 + pkgName); 15071 return; 15072 } 15073 } else { 15074 // default to original signature matching 15075 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15076 != PackageManager.SIGNATURE_MATCH) { 15077 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15078 "New package has a different signature: " + pkgName); 15079 return; 15080 } 15081 } 15082 15083 // don't allow a system upgrade unless the upgrade hash matches 15084 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15085 byte[] digestBytes = null; 15086 try { 15087 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15088 updateDigest(digest, new File(pkg.baseCodePath)); 15089 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15090 for (String path : pkg.splitCodePaths) { 15091 updateDigest(digest, new File(path)); 15092 } 15093 } 15094 digestBytes = digest.digest(); 15095 } catch (NoSuchAlgorithmException | IOException e) { 15096 res.setError(INSTALL_FAILED_INVALID_APK, 15097 "Could not compute hash: " + pkgName); 15098 return; 15099 } 15100 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15101 res.setError(INSTALL_FAILED_INVALID_APK, 15102 "New package fails restrict-update check: " + pkgName); 15103 return; 15104 } 15105 // retain upgrade restriction 15106 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15107 } 15108 15109 // Check for shared user id changes 15110 String invalidPackageName = 15111 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15112 if (invalidPackageName != null) { 15113 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15114 "Package " + invalidPackageName + " tried to change user " 15115 + oldPackage.mSharedUserId); 15116 return; 15117 } 15118 15119 // In case of rollback, remember per-user/profile install state 15120 allUsers = sUserManager.getUserIds(); 15121 installedUsers = ps.queryInstalledUsers(allUsers, true); 15122 } 15123 15124 // Update what is removed 15125 res.removedInfo = new PackageRemovedInfo(); 15126 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15127 res.removedInfo.removedPackage = oldPackage.packageName; 15128 res.removedInfo.isUpdate = true; 15129 res.removedInfo.origUsers = installedUsers; 15130 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15131 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15132 for (int i = 0; i < installedUsers.length; i++) { 15133 final int userId = installedUsers[i]; 15134 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15135 } 15136 15137 final int childCount = (oldPackage.childPackages != null) 15138 ? oldPackage.childPackages.size() : 0; 15139 for (int i = 0; i < childCount; i++) { 15140 boolean childPackageUpdated = false; 15141 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15142 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15143 if (res.addedChildPackages != null) { 15144 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15145 if (childRes != null) { 15146 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15147 childRes.removedInfo.removedPackage = childPkg.packageName; 15148 childRes.removedInfo.isUpdate = true; 15149 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15150 childPackageUpdated = true; 15151 } 15152 } 15153 if (!childPackageUpdated) { 15154 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15155 childRemovedRes.removedPackage = childPkg.packageName; 15156 childRemovedRes.isUpdate = false; 15157 childRemovedRes.dataRemoved = true; 15158 synchronized (mPackages) { 15159 if (childPs != null) { 15160 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15161 } 15162 } 15163 if (res.removedInfo.removedChildPackages == null) { 15164 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15165 } 15166 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15167 } 15168 } 15169 15170 boolean sysPkg = (isSystemApp(oldPackage)); 15171 if (sysPkg) { 15172 // Set the system/privileged flags as needed 15173 final boolean privileged = 15174 (oldPackage.applicationInfo.privateFlags 15175 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15176 final int systemPolicyFlags = policyFlags 15177 | PackageParser.PARSE_IS_SYSTEM 15178 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15179 15180 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15181 user, allUsers, installerPackageName, res, installReason); 15182 } else { 15183 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15184 user, allUsers, installerPackageName, res, installReason); 15185 } 15186 } 15187 15188 public List<String> getPreviousCodePaths(String packageName) { 15189 final PackageSetting ps = mSettings.mPackages.get(packageName); 15190 final List<String> result = new ArrayList<String>(); 15191 if (ps != null && ps.oldCodePaths != null) { 15192 result.addAll(ps.oldCodePaths); 15193 } 15194 return result; 15195 } 15196 15197 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15198 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15199 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15200 int installReason) { 15201 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15202 + deletedPackage); 15203 15204 String pkgName = deletedPackage.packageName; 15205 boolean deletedPkg = true; 15206 boolean addedPkg = false; 15207 boolean updatedSettings = false; 15208 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15209 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15210 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15211 15212 final long origUpdateTime = (pkg.mExtras != null) 15213 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15214 15215 // First delete the existing package while retaining the data directory 15216 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15217 res.removedInfo, true, pkg)) { 15218 // If the existing package wasn't successfully deleted 15219 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15220 deletedPkg = false; 15221 } else { 15222 // Successfully deleted the old package; proceed with replace. 15223 15224 // If deleted package lived in a container, give users a chance to 15225 // relinquish resources before killing. 15226 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15227 if (DEBUG_INSTALL) { 15228 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15229 } 15230 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15231 final ArrayList<String> pkgList = new ArrayList<String>(1); 15232 pkgList.add(deletedPackage.applicationInfo.packageName); 15233 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15234 } 15235 15236 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15237 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15238 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15239 15240 try { 15241 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15242 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15243 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15244 installReason); 15245 15246 // Update the in-memory copy of the previous code paths. 15247 PackageSetting ps = mSettings.mPackages.get(pkgName); 15248 if (!killApp) { 15249 if (ps.oldCodePaths == null) { 15250 ps.oldCodePaths = new ArraySet<>(); 15251 } 15252 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15253 if (deletedPackage.splitCodePaths != null) { 15254 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15255 } 15256 } else { 15257 ps.oldCodePaths = null; 15258 } 15259 if (ps.childPackageNames != null) { 15260 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 15261 final String childPkgName = ps.childPackageNames.get(i); 15262 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 15263 childPs.oldCodePaths = ps.oldCodePaths; 15264 } 15265 } 15266 prepareAppDataAfterInstallLIF(newPackage); 15267 addedPkg = true; 15268 } catch (PackageManagerException e) { 15269 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15270 } 15271 } 15272 15273 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15274 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 15275 15276 // Revert all internal state mutations and added folders for the failed install 15277 if (addedPkg) { 15278 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15279 res.removedInfo, true, null); 15280 } 15281 15282 // Restore the old package 15283 if (deletedPkg) { 15284 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 15285 File restoreFile = new File(deletedPackage.codePath); 15286 // Parse old package 15287 boolean oldExternal = isExternal(deletedPackage); 15288 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 15289 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 15290 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 15291 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 15292 try { 15293 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 15294 null); 15295 } catch (PackageManagerException e) { 15296 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 15297 + e.getMessage()); 15298 return; 15299 } 15300 15301 synchronized (mPackages) { 15302 // Ensure the installer package name up to date 15303 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15304 15305 // Update permissions for restored package 15306 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 15307 15308 mSettings.writeLPr(); 15309 } 15310 15311 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 15312 } 15313 } else { 15314 synchronized (mPackages) { 15315 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 15316 if (ps != null) { 15317 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15318 if (res.removedInfo.removedChildPackages != null) { 15319 final int childCount = res.removedInfo.removedChildPackages.size(); 15320 // Iterate in reverse as we may modify the collection 15321 for (int i = childCount - 1; i >= 0; i--) { 15322 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 15323 if (res.addedChildPackages.containsKey(childPackageName)) { 15324 res.removedInfo.removedChildPackages.removeAt(i); 15325 } else { 15326 PackageRemovedInfo childInfo = res.removedInfo 15327 .removedChildPackages.valueAt(i); 15328 childInfo.removedForAllUsers = mPackages.get( 15329 childInfo.removedPackage) == null; 15330 } 15331 } 15332 } 15333 } 15334 } 15335 } 15336 } 15337 15338 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 15339 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15340 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15341 int installReason) { 15342 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 15343 + ", old=" + deletedPackage); 15344 15345 final boolean disabledSystem; 15346 15347 // Remove existing system package 15348 removePackageLI(deletedPackage, true); 15349 15350 synchronized (mPackages) { 15351 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 15352 } 15353 if (!disabledSystem) { 15354 // We didn't need to disable the .apk as a current system package, 15355 // which means we are replacing another update that is already 15356 // installed. We need to make sure to delete the older one's .apk. 15357 res.removedInfo.args = createInstallArgsForExisting(0, 15358 deletedPackage.applicationInfo.getCodePath(), 15359 deletedPackage.applicationInfo.getResourcePath(), 15360 getAppDexInstructionSets(deletedPackage.applicationInfo)); 15361 } else { 15362 res.removedInfo.args = null; 15363 } 15364 15365 // Successfully disabled the old package. Now proceed with re-installation 15366 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15367 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15368 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15369 15370 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15371 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 15372 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 15373 15374 PackageParser.Package newPackage = null; 15375 try { 15376 // Add the package to the internal data structures 15377 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 15378 15379 // Set the update and install times 15380 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 15381 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 15382 System.currentTimeMillis()); 15383 15384 // Update the package dynamic state if succeeded 15385 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15386 // Now that the install succeeded make sure we remove data 15387 // directories for any child package the update removed. 15388 final int deletedChildCount = (deletedPackage.childPackages != null) 15389 ? deletedPackage.childPackages.size() : 0; 15390 final int newChildCount = (newPackage.childPackages != null) 15391 ? newPackage.childPackages.size() : 0; 15392 for (int i = 0; i < deletedChildCount; i++) { 15393 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 15394 boolean childPackageDeleted = true; 15395 for (int j = 0; j < newChildCount; j++) { 15396 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 15397 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 15398 childPackageDeleted = false; 15399 break; 15400 } 15401 } 15402 if (childPackageDeleted) { 15403 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 15404 deletedChildPkg.packageName); 15405 if (ps != null && res.removedInfo.removedChildPackages != null) { 15406 PackageRemovedInfo removedChildRes = res.removedInfo 15407 .removedChildPackages.get(deletedChildPkg.packageName); 15408 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 15409 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 15410 } 15411 } 15412 } 15413 15414 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15415 installReason); 15416 prepareAppDataAfterInstallLIF(newPackage); 15417 } 15418 } catch (PackageManagerException e) { 15419 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 15420 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15421 } 15422 15423 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15424 // Re installation failed. Restore old information 15425 // Remove new pkg information 15426 if (newPackage != null) { 15427 removeInstalledPackageLI(newPackage, true); 15428 } 15429 // Add back the old system package 15430 try { 15431 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 15432 } catch (PackageManagerException e) { 15433 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 15434 } 15435 15436 synchronized (mPackages) { 15437 if (disabledSystem) { 15438 enableSystemPackageLPw(deletedPackage); 15439 } 15440 15441 // Ensure the installer package name up to date 15442 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15443 15444 // Update permissions for restored package 15445 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 15446 15447 mSettings.writeLPr(); 15448 } 15449 15450 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 15451 + " after failed upgrade"); 15452 } 15453 } 15454 15455 /** 15456 * Checks whether the parent or any of the child packages have a change shared 15457 * user. For a package to be a valid update the shred users of the parent and 15458 * the children should match. We may later support changing child shared users. 15459 * @param oldPkg The updated package. 15460 * @param newPkg The update package. 15461 * @return The shared user that change between the versions. 15462 */ 15463 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 15464 PackageParser.Package newPkg) { 15465 // Check parent shared user 15466 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 15467 return newPkg.packageName; 15468 } 15469 // Check child shared users 15470 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15471 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 15472 for (int i = 0; i < newChildCount; i++) { 15473 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 15474 // If this child was present, did it have the same shared user? 15475 for (int j = 0; j < oldChildCount; j++) { 15476 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 15477 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 15478 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 15479 return newChildPkg.packageName; 15480 } 15481 } 15482 } 15483 return null; 15484 } 15485 15486 private void removeNativeBinariesLI(PackageSetting ps) { 15487 // Remove the lib path for the parent package 15488 if (ps != null) { 15489 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 15490 // Remove the lib path for the child packages 15491 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15492 for (int i = 0; i < childCount; i++) { 15493 PackageSetting childPs = null; 15494 synchronized (mPackages) { 15495 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 15496 } 15497 if (childPs != null) { 15498 NativeLibraryHelper.removeNativeBinariesLI(childPs 15499 .legacyNativeLibraryPathString); 15500 } 15501 } 15502 } 15503 } 15504 15505 private void enableSystemPackageLPw(PackageParser.Package pkg) { 15506 // Enable the parent package 15507 mSettings.enableSystemPackageLPw(pkg.packageName); 15508 // Enable the child packages 15509 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15510 for (int i = 0; i < childCount; i++) { 15511 PackageParser.Package childPkg = pkg.childPackages.get(i); 15512 mSettings.enableSystemPackageLPw(childPkg.packageName); 15513 } 15514 } 15515 15516 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 15517 PackageParser.Package newPkg) { 15518 // Disable the parent package (parent always replaced) 15519 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 15520 // Disable the child packages 15521 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15522 for (int i = 0; i < childCount; i++) { 15523 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 15524 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 15525 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 15526 } 15527 return disabled; 15528 } 15529 15530 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 15531 String installerPackageName) { 15532 // Enable the parent package 15533 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 15534 // Enable the child packages 15535 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15536 for (int i = 0; i < childCount; i++) { 15537 PackageParser.Package childPkg = pkg.childPackages.get(i); 15538 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 15539 } 15540 } 15541 15542 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 15543 // Collect all used permissions in the UID 15544 ArraySet<String> usedPermissions = new ArraySet<>(); 15545 final int packageCount = su.packages.size(); 15546 for (int i = 0; i < packageCount; i++) { 15547 PackageSetting ps = su.packages.valueAt(i); 15548 if (ps.pkg == null) { 15549 continue; 15550 } 15551 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 15552 for (int j = 0; j < requestedPermCount; j++) { 15553 String permission = ps.pkg.requestedPermissions.get(j); 15554 BasePermission bp = mSettings.mPermissions.get(permission); 15555 if (bp != null) { 15556 usedPermissions.add(permission); 15557 } 15558 } 15559 } 15560 15561 PermissionsState permissionsState = su.getPermissionsState(); 15562 // Prune install permissions 15563 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 15564 final int installPermCount = installPermStates.size(); 15565 for (int i = installPermCount - 1; i >= 0; i--) { 15566 PermissionState permissionState = installPermStates.get(i); 15567 if (!usedPermissions.contains(permissionState.getName())) { 15568 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 15569 if (bp != null) { 15570 permissionsState.revokeInstallPermission(bp); 15571 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 15572 PackageManager.MASK_PERMISSION_FLAGS, 0); 15573 } 15574 } 15575 } 15576 15577 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 15578 15579 // Prune runtime permissions 15580 for (int userId : allUserIds) { 15581 List<PermissionState> runtimePermStates = permissionsState 15582 .getRuntimePermissionStates(userId); 15583 final int runtimePermCount = runtimePermStates.size(); 15584 for (int i = runtimePermCount - 1; i >= 0; i--) { 15585 PermissionState permissionState = runtimePermStates.get(i); 15586 if (!usedPermissions.contains(permissionState.getName())) { 15587 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 15588 if (bp != null) { 15589 permissionsState.revokeRuntimePermission(bp, userId); 15590 permissionsState.updatePermissionFlags(bp, userId, 15591 PackageManager.MASK_PERMISSION_FLAGS, 0); 15592 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 15593 runtimePermissionChangedUserIds, userId); 15594 } 15595 } 15596 } 15597 } 15598 15599 return runtimePermissionChangedUserIds; 15600 } 15601 15602 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 15603 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 15604 // Update the parent package setting 15605 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 15606 res, user, installReason); 15607 // Update the child packages setting 15608 final int childCount = (newPackage.childPackages != null) 15609 ? newPackage.childPackages.size() : 0; 15610 for (int i = 0; i < childCount; i++) { 15611 PackageParser.Package childPackage = newPackage.childPackages.get(i); 15612 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 15613 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 15614 childRes.origUsers, childRes, user, installReason); 15615 } 15616 } 15617 15618 private void updateSettingsInternalLI(PackageParser.Package newPackage, 15619 String installerPackageName, int[] allUsers, int[] installedForUsers, 15620 PackageInstalledInfo res, UserHandle user, int installReason) { 15621 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 15622 15623 String pkgName = newPackage.packageName; 15624 synchronized (mPackages) { 15625 //write settings. the installStatus will be incomplete at this stage. 15626 //note that the new package setting would have already been 15627 //added to mPackages. It hasn't been persisted yet. 15628 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 15629 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15630 mSettings.writeLPr(); 15631 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15632 } 15633 15634 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 15635 synchronized (mPackages) { 15636 updatePermissionsLPw(newPackage.packageName, newPackage, 15637 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 15638 ? UPDATE_PERMISSIONS_ALL : 0)); 15639 // For system-bundled packages, we assume that installing an upgraded version 15640 // of the package implies that the user actually wants to run that new code, 15641 // so we enable the package. 15642 PackageSetting ps = mSettings.mPackages.get(pkgName); 15643 final int userId = user.getIdentifier(); 15644 if (ps != null) { 15645 if (isSystemApp(newPackage)) { 15646 if (DEBUG_INSTALL) { 15647 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 15648 } 15649 // Enable system package for requested users 15650 if (res.origUsers != null) { 15651 for (int origUserId : res.origUsers) { 15652 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15653 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15654 origUserId, installerPackageName); 15655 } 15656 } 15657 } 15658 // Also convey the prior install/uninstall state 15659 if (allUsers != null && installedForUsers != null) { 15660 for (int currentUserId : allUsers) { 15661 final boolean installed = ArrayUtils.contains( 15662 installedForUsers, currentUserId); 15663 if (DEBUG_INSTALL) { 15664 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15665 } 15666 ps.setInstalled(installed, currentUserId); 15667 } 15668 // these install state changes will be persisted in the 15669 // upcoming call to mSettings.writeLPr(). 15670 } 15671 } 15672 // It's implied that when a user requests installation, they want the app to be 15673 // installed and enabled. 15674 if (userId != UserHandle.USER_ALL) { 15675 ps.setInstalled(true, userId); 15676 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15677 } 15678 15679 // When replacing an existing package, preserve the original install reason for all 15680 // users that had the package installed before. 15681 final Set<Integer> previousUserIds = new ArraySet<>(); 15682 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 15683 final int installReasonCount = res.removedInfo.installReasons.size(); 15684 for (int i = 0; i < installReasonCount; i++) { 15685 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 15686 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 15687 ps.setInstallReason(previousInstallReason, previousUserId); 15688 previousUserIds.add(previousUserId); 15689 } 15690 } 15691 15692 // Set install reason for users that are having the package newly installed. 15693 if (userId == UserHandle.USER_ALL) { 15694 for (int currentUserId : sUserManager.getUserIds()) { 15695 if (!previousUserIds.contains(currentUserId)) { 15696 ps.setInstallReason(installReason, currentUserId); 15697 } 15698 } 15699 } else if (!previousUserIds.contains(userId)) { 15700 ps.setInstallReason(installReason, userId); 15701 } 15702 } 15703 res.name = pkgName; 15704 res.uid = newPackage.applicationInfo.uid; 15705 res.pkg = newPackage; 15706 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15707 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15708 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15709 //to update install status 15710 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15711 mSettings.writeLPr(); 15712 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15713 } 15714 15715 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15716 } 15717 15718 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15719 try { 15720 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15721 installPackageLI(args, res); 15722 } finally { 15723 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15724 } 15725 } 15726 15727 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15728 final int installFlags = args.installFlags; 15729 final String installerPackageName = args.installerPackageName; 15730 final String volumeUuid = args.volumeUuid; 15731 final File tmpPackageFile = new File(args.getCodePath()); 15732 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 15733 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 15734 || (args.volumeUuid != null)); 15735 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 15736 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 15737 boolean replace = false; 15738 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 15739 if (args.move != null) { 15740 // moving a complete application; perform an initial scan on the new install location 15741 scanFlags |= SCAN_INITIAL; 15742 } 15743 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 15744 scanFlags |= SCAN_DONT_KILL_APP; 15745 } 15746 15747 // Result object to be returned 15748 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15749 15750 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 15751 15752 // Sanity check 15753 if (ephemeral && (forwardLocked || onExternal)) { 15754 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 15755 + " external=" + onExternal); 15756 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15757 return; 15758 } 15759 15760 // Retrieve PackageSettings and parse package 15761 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 15762 | PackageParser.PARSE_ENFORCE_CODE 15763 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 15764 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 15765 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 15766 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 15767 PackageParser pp = new PackageParser(); 15768 pp.setSeparateProcesses(mSeparateProcesses); 15769 pp.setDisplayMetrics(mMetrics); 15770 15771 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 15772 final PackageParser.Package pkg; 15773 try { 15774 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 15775 } catch (PackageParserException e) { 15776 res.setError("Failed parse during installPackageLI", e); 15777 return; 15778 } finally { 15779 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15780 } 15781 15782 // Ephemeral apps must have target SDK >= O. 15783 // TODO: Update conditional and error message when O gets locked down 15784 if (ephemeral && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 15785 res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 15786 "Ephemeral apps must have target SDK version of at least O"); 15787 return; 15788 } 15789 15790 // If we are installing a clustered package add results for the children 15791 if (pkg.childPackages != null) { 15792 synchronized (mPackages) { 15793 final int childCount = pkg.childPackages.size(); 15794 for (int i = 0; i < childCount; i++) { 15795 PackageParser.Package childPkg = pkg.childPackages.get(i); 15796 PackageInstalledInfo childRes = new PackageInstalledInfo(); 15797 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15798 childRes.pkg = childPkg; 15799 childRes.name = childPkg.packageName; 15800 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15801 if (childPs != null) { 15802 childRes.origUsers = childPs.queryInstalledUsers( 15803 sUserManager.getUserIds(), true); 15804 } 15805 if ((mPackages.containsKey(childPkg.packageName))) { 15806 childRes.removedInfo = new PackageRemovedInfo(); 15807 childRes.removedInfo.removedPackage = childPkg.packageName; 15808 } 15809 if (res.addedChildPackages == null) { 15810 res.addedChildPackages = new ArrayMap<>(); 15811 } 15812 res.addedChildPackages.put(childPkg.packageName, childRes); 15813 } 15814 } 15815 } 15816 15817 // If package doesn't declare API override, mark that we have an install 15818 // time CPU ABI override. 15819 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 15820 pkg.cpuAbiOverride = args.abiOverride; 15821 } 15822 15823 String pkgName = res.name = pkg.packageName; 15824 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 15825 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 15826 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 15827 return; 15828 } 15829 } 15830 15831 try { 15832 // either use what we've been given or parse directly from the APK 15833 if (args.certificates != null) { 15834 try { 15835 PackageParser.populateCertificates(pkg, args.certificates); 15836 } catch (PackageParserException e) { 15837 // there was something wrong with the certificates we were given; 15838 // try to pull them from the APK 15839 PackageParser.collectCertificates(pkg, parseFlags); 15840 } 15841 } else { 15842 PackageParser.collectCertificates(pkg, parseFlags); 15843 } 15844 } catch (PackageParserException e) { 15845 res.setError("Failed collect during installPackageLI", e); 15846 return; 15847 } 15848 15849 // Get rid of all references to package scan path via parser. 15850 pp = null; 15851 String oldCodePath = null; 15852 boolean systemApp = false; 15853 synchronized (mPackages) { 15854 // Check if installing already existing package 15855 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15856 String oldName = mSettings.getRenamedPackageLPr(pkgName); 15857 if (pkg.mOriginalPackages != null 15858 && pkg.mOriginalPackages.contains(oldName) 15859 && mPackages.containsKey(oldName)) { 15860 // This package is derived from an original package, 15861 // and this device has been updating from that original 15862 // name. We must continue using the original name, so 15863 // rename the new package here. 15864 pkg.setPackageName(oldName); 15865 pkgName = pkg.packageName; 15866 replace = true; 15867 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15868 + oldName + " pkgName=" + pkgName); 15869 } else if (mPackages.containsKey(pkgName)) { 15870 // This package, under its official name, already exists 15871 // on the device; we should replace it. 15872 replace = true; 15873 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15874 } 15875 15876 // Child packages are installed through the parent package 15877 if (pkg.parentPackage != null) { 15878 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15879 "Package " + pkg.packageName + " is child of package " 15880 + pkg.parentPackage.parentPackage + ". Child packages " 15881 + "can be updated only through the parent package."); 15882 return; 15883 } 15884 15885 if (replace) { 15886 // Prevent apps opting out from runtime permissions 15887 PackageParser.Package oldPackage = mPackages.get(pkgName); 15888 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15889 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15890 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15891 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15892 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15893 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15894 + " doesn't support runtime permissions but the old" 15895 + " target SDK " + oldTargetSdk + " does."); 15896 return; 15897 } 15898 15899 // Prevent installing of child packages 15900 if (oldPackage.parentPackage != null) { 15901 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15902 "Package " + pkg.packageName + " is child of package " 15903 + oldPackage.parentPackage + ". Child packages " 15904 + "can be updated only through the parent package."); 15905 return; 15906 } 15907 } 15908 } 15909 15910 PackageSetting ps = mSettings.mPackages.get(pkgName); 15911 if (ps != null) { 15912 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15913 15914 // Quick sanity check that we're signed correctly if updating; 15915 // we'll check this again later when scanning, but we want to 15916 // bail early here before tripping over redefined permissions. 15917 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15918 if (!checkUpgradeKeySetLP(ps, pkg)) { 15919 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15920 + pkg.packageName + " upgrade keys do not match the " 15921 + "previously installed version"); 15922 return; 15923 } 15924 } else { 15925 try { 15926 verifySignaturesLP(ps, pkg); 15927 } catch (PackageManagerException e) { 15928 res.setError(e.error, e.getMessage()); 15929 return; 15930 } 15931 } 15932 15933 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15934 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15935 systemApp = (ps.pkg.applicationInfo.flags & 15936 ApplicationInfo.FLAG_SYSTEM) != 0; 15937 } 15938 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15939 } 15940 15941 // Check whether the newly-scanned package wants to define an already-defined perm 15942 int N = pkg.permissions.size(); 15943 for (int i = N-1; i >= 0; i--) { 15944 PackageParser.Permission perm = pkg.permissions.get(i); 15945 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15946 if (bp != null) { 15947 // If the defining package is signed with our cert, it's okay. This 15948 // also includes the "updating the same package" case, of course. 15949 // "updating same package" could also involve key-rotation. 15950 final boolean sigsOk; 15951 if (bp.sourcePackage.equals(pkg.packageName) 15952 && (bp.packageSetting instanceof PackageSetting) 15953 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15954 scanFlags))) { 15955 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15956 } else { 15957 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15958 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15959 } 15960 if (!sigsOk) { 15961 // If the owning package is the system itself, we log but allow 15962 // install to proceed; we fail the install on all other permission 15963 // redefinitions. 15964 if (!bp.sourcePackage.equals("android")) { 15965 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15966 + pkg.packageName + " attempting to redeclare permission " 15967 + perm.info.name + " already owned by " + bp.sourcePackage); 15968 res.origPermission = perm.info.name; 15969 res.origPackage = bp.sourcePackage; 15970 return; 15971 } else { 15972 Slog.w(TAG, "Package " + pkg.packageName 15973 + " attempting to redeclare system permission " 15974 + perm.info.name + "; ignoring new declaration"); 15975 pkg.permissions.remove(i); 15976 } 15977 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 15978 // Prevent apps to change protection level to dangerous from any other 15979 // type as this would allow a privilege escalation where an app adds a 15980 // normal/signature permission in other app's group and later redefines 15981 // it as dangerous leading to the group auto-grant. 15982 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 15983 == PermissionInfo.PROTECTION_DANGEROUS) { 15984 if (bp != null && !bp.isRuntime()) { 15985 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 15986 + "non-runtime permission " + perm.info.name 15987 + " to runtime; keeping old protection level"); 15988 perm.info.protectionLevel = bp.protectionLevel; 15989 } 15990 } 15991 } 15992 } 15993 } 15994 } 15995 15996 if (systemApp) { 15997 if (onExternal) { 15998 // Abort update; system app can't be replaced with app on sdcard 15999 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16000 "Cannot install updates to system apps on sdcard"); 16001 return; 16002 } else if (ephemeral) { 16003 // Abort update; system app can't be replaced with an ephemeral app 16004 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 16005 "Cannot update a system app with an ephemeral app"); 16006 return; 16007 } 16008 } 16009 16010 if (args.move != null) { 16011 // We did an in-place move, so dex is ready to roll 16012 scanFlags |= SCAN_NO_DEX; 16013 scanFlags |= SCAN_MOVE; 16014 16015 synchronized (mPackages) { 16016 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16017 if (ps == null) { 16018 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16019 "Missing settings for moved package " + pkgName); 16020 } 16021 16022 // We moved the entire application as-is, so bring over the 16023 // previously derived ABI information. 16024 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16025 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16026 } 16027 16028 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16029 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16030 scanFlags |= SCAN_NO_DEX; 16031 16032 try { 16033 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16034 args.abiOverride : pkg.cpuAbiOverride); 16035 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16036 true /*extractLibs*/, mAppLib32InstallDir); 16037 } catch (PackageManagerException pme) { 16038 Slog.e(TAG, "Error deriving application ABI", pme); 16039 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16040 return; 16041 } 16042 16043 // Shared libraries for the package need to be updated. 16044 synchronized (mPackages) { 16045 try { 16046 updateSharedLibrariesLPr(pkg, null); 16047 } catch (PackageManagerException e) { 16048 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 16049 } 16050 } 16051 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16052 // Do not run PackageDexOptimizer through the local performDexOpt 16053 // method because `pkg` may not be in `mPackages` yet. 16054 // 16055 // Also, don't fail application installs if the dexopt step fails. 16056 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16057 null /* instructionSets */, false /* checkProfiles */, 16058 getCompilerFilterForReason(REASON_INSTALL), 16059 getOrCreateCompilerPackageStats(pkg)); 16060 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16061 16062 // Notify BackgroundDexOptService that the package has been changed. 16063 // If this is an update of a package which used to fail to compile, 16064 // BDOS will remove it from its blacklist. 16065 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16066 } 16067 16068 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16069 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16070 return; 16071 } 16072 16073 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16074 16075 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16076 "installPackageLI")) { 16077 if (replace) { 16078 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16079 installerPackageName, res, args.installReason); 16080 } else { 16081 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16082 args.user, installerPackageName, volumeUuid, res, args.installReason); 16083 } 16084 } 16085 synchronized (mPackages) { 16086 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16087 if (ps != null) { 16088 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16089 } 16090 16091 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16092 for (int i = 0; i < childCount; i++) { 16093 PackageParser.Package childPkg = pkg.childPackages.get(i); 16094 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16095 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16096 if (childPs != null) { 16097 childRes.newUsers = childPs.queryInstalledUsers( 16098 sUserManager.getUserIds(), true); 16099 } 16100 } 16101 } 16102 } 16103 16104 private void startIntentFilterVerifications(int userId, boolean replacing, 16105 PackageParser.Package pkg) { 16106 if (mIntentFilterVerifierComponent == null) { 16107 Slog.w(TAG, "No IntentFilter verification will not be done as " 16108 + "there is no IntentFilterVerifier available!"); 16109 return; 16110 } 16111 16112 final int verifierUid = getPackageUid( 16113 mIntentFilterVerifierComponent.getPackageName(), 16114 MATCH_DEBUG_TRIAGED_MISSING, 16115 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16116 16117 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16118 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16119 mHandler.sendMessage(msg); 16120 16121 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16122 for (int i = 0; i < childCount; i++) { 16123 PackageParser.Package childPkg = pkg.childPackages.get(i); 16124 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16125 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16126 mHandler.sendMessage(msg); 16127 } 16128 } 16129 16130 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16131 PackageParser.Package pkg) { 16132 int size = pkg.activities.size(); 16133 if (size == 0) { 16134 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16135 "No activity, so no need to verify any IntentFilter!"); 16136 return; 16137 } 16138 16139 final boolean hasDomainURLs = hasDomainURLs(pkg); 16140 if (!hasDomainURLs) { 16141 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16142 "No domain URLs, so no need to verify any IntentFilter!"); 16143 return; 16144 } 16145 16146 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16147 + " if any IntentFilter from the " + size 16148 + " Activities needs verification ..."); 16149 16150 int count = 0; 16151 final String packageName = pkg.packageName; 16152 16153 synchronized (mPackages) { 16154 // If this is a new install and we see that we've already run verification for this 16155 // package, we have nothing to do: it means the state was restored from backup. 16156 if (!replacing) { 16157 IntentFilterVerificationInfo ivi = 16158 mSettings.getIntentFilterVerificationLPr(packageName); 16159 if (ivi != null) { 16160 if (DEBUG_DOMAIN_VERIFICATION) { 16161 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16162 + ivi.getStatusString()); 16163 } 16164 return; 16165 } 16166 } 16167 16168 // If any filters need to be verified, then all need to be. 16169 boolean needToVerify = false; 16170 for (PackageParser.Activity a : pkg.activities) { 16171 for (ActivityIntentInfo filter : a.intents) { 16172 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16173 if (DEBUG_DOMAIN_VERIFICATION) { 16174 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16175 } 16176 needToVerify = true; 16177 break; 16178 } 16179 } 16180 } 16181 16182 if (needToVerify) { 16183 final int verificationId = mIntentFilterVerificationToken++; 16184 for (PackageParser.Activity a : pkg.activities) { 16185 for (ActivityIntentInfo filter : a.intents) { 16186 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16187 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16188 "Verification needed for IntentFilter:" + filter.toString()); 16189 mIntentFilterVerifier.addOneIntentFilterVerification( 16190 verifierUid, userId, verificationId, filter, packageName); 16191 count++; 16192 } 16193 } 16194 } 16195 } 16196 } 16197 16198 if (count > 0) { 16199 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 16200 + " IntentFilter verification" + (count > 1 ? "s" : "") 16201 + " for userId:" + userId); 16202 mIntentFilterVerifier.startVerifications(userId); 16203 } else { 16204 if (DEBUG_DOMAIN_VERIFICATION) { 16205 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 16206 } 16207 } 16208 } 16209 16210 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 16211 final ComponentName cn = filter.activity.getComponentName(); 16212 final String packageName = cn.getPackageName(); 16213 16214 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 16215 packageName); 16216 if (ivi == null) { 16217 return true; 16218 } 16219 int status = ivi.getStatus(); 16220 switch (status) { 16221 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 16222 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 16223 return true; 16224 16225 default: 16226 // Nothing to do 16227 return false; 16228 } 16229 } 16230 16231 private static boolean isMultiArch(ApplicationInfo info) { 16232 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 16233 } 16234 16235 private static boolean isExternal(PackageParser.Package pkg) { 16236 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16237 } 16238 16239 private static boolean isExternal(PackageSetting ps) { 16240 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16241 } 16242 16243 private static boolean isEphemeral(PackageParser.Package pkg) { 16244 return pkg.applicationInfo.isEphemeralApp(); 16245 } 16246 16247 private static boolean isEphemeral(PackageSetting ps) { 16248 return ps.pkg != null && isEphemeral(ps.pkg); 16249 } 16250 16251 private static boolean isSystemApp(PackageParser.Package pkg) { 16252 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 16253 } 16254 16255 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 16256 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16257 } 16258 16259 private static boolean hasDomainURLs(PackageParser.Package pkg) { 16260 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 16261 } 16262 16263 private static boolean isSystemApp(PackageSetting ps) { 16264 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 16265 } 16266 16267 private static boolean isUpdatedSystemApp(PackageSetting ps) { 16268 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 16269 } 16270 16271 private int packageFlagsToInstallFlags(PackageSetting ps) { 16272 int installFlags = 0; 16273 if (isEphemeral(ps)) { 16274 installFlags |= PackageManager.INSTALL_EPHEMERAL; 16275 } 16276 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 16277 // This existing package was an external ASEC install when we have 16278 // the external flag without a UUID 16279 installFlags |= PackageManager.INSTALL_EXTERNAL; 16280 } 16281 if (ps.isForwardLocked()) { 16282 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 16283 } 16284 return installFlags; 16285 } 16286 16287 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 16288 if (isExternal(pkg)) { 16289 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16290 return StorageManager.UUID_PRIMARY_PHYSICAL; 16291 } else { 16292 return pkg.volumeUuid; 16293 } 16294 } else { 16295 return StorageManager.UUID_PRIVATE_INTERNAL; 16296 } 16297 } 16298 16299 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 16300 if (isExternal(pkg)) { 16301 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16302 return mSettings.getExternalVersion(); 16303 } else { 16304 return mSettings.findOrCreateVersion(pkg.volumeUuid); 16305 } 16306 } else { 16307 return mSettings.getInternalVersion(); 16308 } 16309 } 16310 16311 private void deleteTempPackageFiles() { 16312 final FilenameFilter filter = new FilenameFilter() { 16313 public boolean accept(File dir, String name) { 16314 return name.startsWith("vmdl") && name.endsWith(".tmp"); 16315 } 16316 }; 16317 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 16318 file.delete(); 16319 } 16320 } 16321 16322 @Override 16323 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 16324 int flags) { 16325 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 16326 flags); 16327 } 16328 16329 @Override 16330 public void deletePackage(final String packageName, 16331 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 16332 mContext.enforceCallingOrSelfPermission( 16333 android.Manifest.permission.DELETE_PACKAGES, null); 16334 Preconditions.checkNotNull(packageName); 16335 Preconditions.checkNotNull(observer); 16336 final int uid = Binder.getCallingUid(); 16337 if (!isOrphaned(packageName) 16338 && !isCallerAllowedToSilentlyUninstall(uid, packageName)) { 16339 try { 16340 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 16341 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 16342 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 16343 observer.onUserActionRequired(intent); 16344 } catch (RemoteException re) { 16345 } 16346 return; 16347 } 16348 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 16349 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 16350 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 16351 mContext.enforceCallingOrSelfPermission( 16352 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 16353 "deletePackage for user " + userId); 16354 } 16355 16356 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 16357 try { 16358 observer.onPackageDeleted(packageName, 16359 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 16360 } catch (RemoteException re) { 16361 } 16362 return; 16363 } 16364 16365 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 16366 try { 16367 observer.onPackageDeleted(packageName, 16368 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 16369 } catch (RemoteException re) { 16370 } 16371 return; 16372 } 16373 16374 if (DEBUG_REMOVE) { 16375 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 16376 + " deleteAllUsers: " + deleteAllUsers ); 16377 } 16378 // Queue up an async operation since the package deletion may take a little while. 16379 mHandler.post(new Runnable() { 16380 public void run() { 16381 mHandler.removeCallbacks(this); 16382 int returnCode; 16383 if (!deleteAllUsers) { 16384 returnCode = deletePackageX(packageName, userId, deleteFlags); 16385 } else { 16386 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 16387 // If nobody is blocking uninstall, proceed with delete for all users 16388 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 16389 returnCode = deletePackageX(packageName, userId, deleteFlags); 16390 } else { 16391 // Otherwise uninstall individually for users with blockUninstalls=false 16392 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 16393 for (int userId : users) { 16394 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 16395 returnCode = deletePackageX(packageName, userId, userFlags); 16396 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 16397 Slog.w(TAG, "Package delete failed for user " + userId 16398 + ", returnCode " + returnCode); 16399 } 16400 } 16401 } 16402 // The app has only been marked uninstalled for certain users. 16403 // We still need to report that delete was blocked 16404 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 16405 } 16406 } 16407 try { 16408 observer.onPackageDeleted(packageName, returnCode, null); 16409 } catch (RemoteException e) { 16410 Log.i(TAG, "Observer no longer exists."); 16411 } //end catch 16412 } //end run 16413 }); 16414 } 16415 16416 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 16417 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 16418 || callingUid == Process.SYSTEM_UID) { 16419 return true; 16420 } 16421 final int callingUserId = UserHandle.getUserId(callingUid); 16422 // If the caller installed the pkgName, then allow it to silently uninstall. 16423 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 16424 return true; 16425 } 16426 16427 // Allow package verifier to silently uninstall. 16428 if (mRequiredVerifierPackage != null && 16429 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 16430 return true; 16431 } 16432 16433 // Allow package uninstaller to silently uninstall. 16434 if (mRequiredUninstallerPackage != null && 16435 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 16436 return true; 16437 } 16438 16439 // Allow storage manager to silently uninstall. 16440 if (mStorageManagerPackage != null && 16441 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 16442 return true; 16443 } 16444 return false; 16445 } 16446 16447 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 16448 int[] result = EMPTY_INT_ARRAY; 16449 for (int userId : userIds) { 16450 if (getBlockUninstallForUser(packageName, userId)) { 16451 result = ArrayUtils.appendInt(result, userId); 16452 } 16453 } 16454 return result; 16455 } 16456 16457 @Override 16458 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 16459 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 16460 } 16461 16462 private boolean isPackageDeviceAdmin(String packageName, int userId) { 16463 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 16464 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 16465 try { 16466 if (dpm != null) { 16467 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 16468 /* callingUserOnly =*/ false); 16469 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 16470 : deviceOwnerComponentName.getPackageName(); 16471 // Does the package contains the device owner? 16472 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 16473 // this check is probably not needed, since DO should be registered as a device 16474 // admin on some user too. (Original bug for this: b/17657954) 16475 if (packageName.equals(deviceOwnerPackageName)) { 16476 return true; 16477 } 16478 // Does it contain a device admin for any user? 16479 int[] users; 16480 if (userId == UserHandle.USER_ALL) { 16481 users = sUserManager.getUserIds(); 16482 } else { 16483 users = new int[]{userId}; 16484 } 16485 for (int i = 0; i < users.length; ++i) { 16486 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 16487 return true; 16488 } 16489 } 16490 } 16491 } catch (RemoteException e) { 16492 } 16493 return false; 16494 } 16495 16496 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 16497 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 16498 } 16499 16500 /** 16501 * This method is an internal method that could be get invoked either 16502 * to delete an installed package or to clean up a failed installation. 16503 * After deleting an installed package, a broadcast is sent to notify any 16504 * listeners that the package has been removed. For cleaning up a failed 16505 * installation, the broadcast is not necessary since the package's 16506 * installation wouldn't have sent the initial broadcast either 16507 * The key steps in deleting a package are 16508 * deleting the package information in internal structures like mPackages, 16509 * deleting the packages base directories through installd 16510 * updating mSettings to reflect current status 16511 * persisting settings for later use 16512 * sending a broadcast if necessary 16513 */ 16514 private int deletePackageX(String packageName, int userId, int deleteFlags) { 16515 final PackageRemovedInfo info = new PackageRemovedInfo(); 16516 final boolean res; 16517 16518 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 16519 ? UserHandle.USER_ALL : userId; 16520 16521 if (isPackageDeviceAdmin(packageName, removeUser)) { 16522 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 16523 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 16524 } 16525 16526 PackageSetting uninstalledPs = null; 16527 16528 // for the uninstall-updates case and restricted profiles, remember the per- 16529 // user handle installed state 16530 int[] allUsers; 16531 synchronized (mPackages) { 16532 uninstalledPs = mSettings.mPackages.get(packageName); 16533 if (uninstalledPs == null) { 16534 Slog.w(TAG, "Not removing non-existent package " + packageName); 16535 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16536 } 16537 allUsers = sUserManager.getUserIds(); 16538 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 16539 } 16540 16541 final int freezeUser; 16542 if (isUpdatedSystemApp(uninstalledPs) 16543 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 16544 // We're downgrading a system app, which will apply to all users, so 16545 // freeze them all during the downgrade 16546 freezeUser = UserHandle.USER_ALL; 16547 } else { 16548 freezeUser = removeUser; 16549 } 16550 16551 synchronized (mInstallLock) { 16552 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 16553 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 16554 deleteFlags, "deletePackageX")) { 16555 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 16556 deleteFlags | REMOVE_CHATTY, info, true, null); 16557 } 16558 synchronized (mPackages) { 16559 if (res) { 16560 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 16561 } 16562 } 16563 } 16564 16565 if (res) { 16566 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 16567 info.sendPackageRemovedBroadcasts(killApp); 16568 info.sendSystemPackageUpdatedBroadcasts(); 16569 info.sendSystemPackageAppearedBroadcasts(); 16570 } 16571 // Force a gc here. 16572 Runtime.getRuntime().gc(); 16573 // Delete the resources here after sending the broadcast to let 16574 // other processes clean up before deleting resources. 16575 if (info.args != null) { 16576 synchronized (mInstallLock) { 16577 info.args.doPostDeleteLI(true); 16578 } 16579 } 16580 16581 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16582 } 16583 16584 class PackageRemovedInfo { 16585 String removedPackage; 16586 int uid = -1; 16587 int removedAppId = -1; 16588 int[] origUsers; 16589 int[] removedUsers = null; 16590 SparseArray<Integer> installReasons; 16591 boolean isRemovedPackageSystemUpdate = false; 16592 boolean isUpdate; 16593 boolean dataRemoved; 16594 boolean removedForAllUsers; 16595 // Clean up resources deleted packages. 16596 InstallArgs args = null; 16597 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 16598 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 16599 16600 void sendPackageRemovedBroadcasts(boolean killApp) { 16601 sendPackageRemovedBroadcastInternal(killApp); 16602 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 16603 for (int i = 0; i < childCount; i++) { 16604 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 16605 childInfo.sendPackageRemovedBroadcastInternal(killApp); 16606 } 16607 } 16608 16609 void sendSystemPackageUpdatedBroadcasts() { 16610 if (isRemovedPackageSystemUpdate) { 16611 sendSystemPackageUpdatedBroadcastsInternal(); 16612 final int childCount = (removedChildPackages != null) 16613 ? removedChildPackages.size() : 0; 16614 for (int i = 0; i < childCount; i++) { 16615 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 16616 if (childInfo.isRemovedPackageSystemUpdate) { 16617 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 16618 } 16619 } 16620 } 16621 } 16622 16623 void sendSystemPackageAppearedBroadcasts() { 16624 final int packageCount = (appearedChildPackages != null) 16625 ? appearedChildPackages.size() : 0; 16626 for (int i = 0; i < packageCount; i++) { 16627 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 16628 sendPackageAddedForNewUsers(installedInfo.name, true, 16629 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 16630 } 16631 } 16632 16633 private void sendSystemPackageUpdatedBroadcastsInternal() { 16634 Bundle extras = new Bundle(2); 16635 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16636 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16637 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 16638 extras, 0, null, null, null); 16639 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 16640 extras, 0, null, null, null); 16641 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 16642 null, 0, removedPackage, null, null); 16643 } 16644 16645 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 16646 Bundle extras = new Bundle(2); 16647 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 16648 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 16649 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 16650 if (isUpdate || isRemovedPackageSystemUpdate) { 16651 extras.putBoolean(Intent.EXTRA_REPLACING, true); 16652 } 16653 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 16654 if (removedPackage != null) { 16655 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 16656 extras, 0, null, null, removedUsers); 16657 if (dataRemoved && !isRemovedPackageSystemUpdate) { 16658 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 16659 removedPackage, extras, 0, null, null, removedUsers); 16660 } 16661 } 16662 if (removedAppId >= 0) { 16663 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 16664 removedUsers); 16665 } 16666 } 16667 } 16668 16669 /* 16670 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 16671 * flag is not set, the data directory is removed as well. 16672 * make sure this flag is set for partially installed apps. If not its meaningless to 16673 * delete a partially installed application. 16674 */ 16675 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 16676 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 16677 String packageName = ps.name; 16678 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 16679 // Retrieve object to delete permissions for shared user later on 16680 final PackageParser.Package deletedPkg; 16681 final PackageSetting deletedPs; 16682 // reader 16683 synchronized (mPackages) { 16684 deletedPkg = mPackages.get(packageName); 16685 deletedPs = mSettings.mPackages.get(packageName); 16686 if (outInfo != null) { 16687 outInfo.removedPackage = packageName; 16688 outInfo.removedUsers = deletedPs != null 16689 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 16690 : null; 16691 } 16692 } 16693 16694 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 16695 16696 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 16697 final PackageParser.Package resolvedPkg; 16698 if (deletedPkg != null) { 16699 resolvedPkg = deletedPkg; 16700 } else { 16701 // We don't have a parsed package when it lives on an ejected 16702 // adopted storage device, so fake something together 16703 resolvedPkg = new PackageParser.Package(ps.name); 16704 resolvedPkg.setVolumeUuid(ps.volumeUuid); 16705 } 16706 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 16707 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16708 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 16709 if (outInfo != null) { 16710 outInfo.dataRemoved = true; 16711 } 16712 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 16713 } 16714 16715 // writer 16716 synchronized (mPackages) { 16717 if (deletedPs != null) { 16718 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 16719 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 16720 clearDefaultBrowserIfNeeded(packageName); 16721 if (outInfo != null) { 16722 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 16723 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 16724 } 16725 updatePermissionsLPw(deletedPs.name, null, 0); 16726 if (deletedPs.sharedUser != null) { 16727 // Remove permissions associated with package. Since runtime 16728 // permissions are per user we have to kill the removed package 16729 // or packages running under the shared user of the removed 16730 // package if revoking the permissions requested only by the removed 16731 // package is successful and this causes a change in gids. 16732 for (int userId : UserManagerService.getInstance().getUserIds()) { 16733 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 16734 userId); 16735 if (userIdToKill == UserHandle.USER_ALL 16736 || userIdToKill >= UserHandle.USER_SYSTEM) { 16737 // If gids changed for this user, kill all affected packages. 16738 mHandler.post(new Runnable() { 16739 @Override 16740 public void run() { 16741 // This has to happen with no lock held. 16742 killApplication(deletedPs.name, deletedPs.appId, 16743 KILL_APP_REASON_GIDS_CHANGED); 16744 } 16745 }); 16746 break; 16747 } 16748 } 16749 } 16750 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 16751 } 16752 // make sure to preserve per-user disabled state if this removal was just 16753 // a downgrade of a system app to the factory package 16754 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 16755 if (DEBUG_REMOVE) { 16756 Slog.d(TAG, "Propagating install state across downgrade"); 16757 } 16758 for (int userId : allUserHandles) { 16759 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16760 if (DEBUG_REMOVE) { 16761 Slog.d(TAG, " user " + userId + " => " + installed); 16762 } 16763 ps.setInstalled(installed, userId); 16764 } 16765 } 16766 } 16767 // can downgrade to reader 16768 if (writeSettings) { 16769 // Save settings now 16770 mSettings.writeLPr(); 16771 } 16772 } 16773 if (outInfo != null) { 16774 // A user ID was deleted here. Go through all users and remove it 16775 // from KeyStore. 16776 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 16777 } 16778 } 16779 16780 static boolean locationIsPrivileged(File path) { 16781 try { 16782 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 16783 .getCanonicalPath(); 16784 return path.getCanonicalPath().startsWith(privilegedAppDir); 16785 } catch (IOException e) { 16786 Slog.e(TAG, "Unable to access code path " + path); 16787 } 16788 return false; 16789 } 16790 16791 /* 16792 * Tries to delete system package. 16793 */ 16794 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 16795 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 16796 boolean writeSettings) { 16797 if (deletedPs.parentPackageName != null) { 16798 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 16799 return false; 16800 } 16801 16802 final boolean applyUserRestrictions 16803 = (allUserHandles != null) && (outInfo.origUsers != null); 16804 final PackageSetting disabledPs; 16805 // Confirm if the system package has been updated 16806 // An updated system app can be deleted. This will also have to restore 16807 // the system pkg from system partition 16808 // reader 16809 synchronized (mPackages) { 16810 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 16811 } 16812 16813 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 16814 + " disabledPs=" + disabledPs); 16815 16816 if (disabledPs == null) { 16817 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 16818 return false; 16819 } else if (DEBUG_REMOVE) { 16820 Slog.d(TAG, "Deleting system pkg from data partition"); 16821 } 16822 16823 if (DEBUG_REMOVE) { 16824 if (applyUserRestrictions) { 16825 Slog.d(TAG, "Remembering install states:"); 16826 for (int userId : allUserHandles) { 16827 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 16828 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 16829 } 16830 } 16831 } 16832 16833 // Delete the updated package 16834 outInfo.isRemovedPackageSystemUpdate = true; 16835 if (outInfo.removedChildPackages != null) { 16836 final int childCount = (deletedPs.childPackageNames != null) 16837 ? deletedPs.childPackageNames.size() : 0; 16838 for (int i = 0; i < childCount; i++) { 16839 String childPackageName = deletedPs.childPackageNames.get(i); 16840 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 16841 .contains(childPackageName)) { 16842 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16843 childPackageName); 16844 if (childInfo != null) { 16845 childInfo.isRemovedPackageSystemUpdate = true; 16846 } 16847 } 16848 } 16849 } 16850 16851 if (disabledPs.versionCode < deletedPs.versionCode) { 16852 // Delete data for downgrades 16853 flags &= ~PackageManager.DELETE_KEEP_DATA; 16854 } else { 16855 // Preserve data by setting flag 16856 flags |= PackageManager.DELETE_KEEP_DATA; 16857 } 16858 16859 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 16860 outInfo, writeSettings, disabledPs.pkg); 16861 if (!ret) { 16862 return false; 16863 } 16864 16865 // writer 16866 synchronized (mPackages) { 16867 // Reinstate the old system package 16868 enableSystemPackageLPw(disabledPs.pkg); 16869 // Remove any native libraries from the upgraded package. 16870 removeNativeBinariesLI(deletedPs); 16871 } 16872 16873 // Install the system package 16874 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 16875 int parseFlags = mDefParseFlags 16876 | PackageParser.PARSE_MUST_BE_APK 16877 | PackageParser.PARSE_IS_SYSTEM 16878 | PackageParser.PARSE_IS_SYSTEM_DIR; 16879 if (locationIsPrivileged(disabledPs.codePath)) { 16880 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 16881 } 16882 16883 final PackageParser.Package newPkg; 16884 try { 16885 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 16886 0 /* currentTime */, null); 16887 } catch (PackageManagerException e) { 16888 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 16889 + e.getMessage()); 16890 return false; 16891 } 16892 try { 16893 // update shared libraries for the newly re-installed system package 16894 updateSharedLibrariesLPr(newPkg, null); 16895 } catch (PackageManagerException e) { 16896 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16897 } 16898 16899 prepareAppDataAfterInstallLIF(newPkg); 16900 16901 // writer 16902 synchronized (mPackages) { 16903 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 16904 16905 // Propagate the permissions state as we do not want to drop on the floor 16906 // runtime permissions. The update permissions method below will take 16907 // care of removing obsolete permissions and grant install permissions. 16908 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 16909 updatePermissionsLPw(newPkg.packageName, newPkg, 16910 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 16911 16912 if (applyUserRestrictions) { 16913 if (DEBUG_REMOVE) { 16914 Slog.d(TAG, "Propagating install state across reinstall"); 16915 } 16916 for (int userId : allUserHandles) { 16917 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 16918 if (DEBUG_REMOVE) { 16919 Slog.d(TAG, " user " + userId + " => " + installed); 16920 } 16921 ps.setInstalled(installed, userId); 16922 16923 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16924 } 16925 // Regardless of writeSettings we need to ensure that this restriction 16926 // state propagation is persisted 16927 mSettings.writeAllUsersPackageRestrictionsLPr(); 16928 } 16929 // can downgrade to reader here 16930 if (writeSettings) { 16931 mSettings.writeLPr(); 16932 } 16933 } 16934 return true; 16935 } 16936 16937 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16938 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16939 PackageRemovedInfo outInfo, boolean writeSettings, 16940 PackageParser.Package replacingPackage) { 16941 synchronized (mPackages) { 16942 if (outInfo != null) { 16943 outInfo.uid = ps.appId; 16944 } 16945 16946 if (outInfo != null && outInfo.removedChildPackages != null) { 16947 final int childCount = (ps.childPackageNames != null) 16948 ? ps.childPackageNames.size() : 0; 16949 for (int i = 0; i < childCount; i++) { 16950 String childPackageName = ps.childPackageNames.get(i); 16951 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16952 if (childPs == null) { 16953 return false; 16954 } 16955 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16956 childPackageName); 16957 if (childInfo != null) { 16958 childInfo.uid = childPs.appId; 16959 } 16960 } 16961 } 16962 } 16963 16964 // Delete package data from internal structures and also remove data if flag is set 16965 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16966 16967 // Delete the child packages data 16968 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16969 for (int i = 0; i < childCount; i++) { 16970 PackageSetting childPs; 16971 synchronized (mPackages) { 16972 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16973 } 16974 if (childPs != null) { 16975 PackageRemovedInfo childOutInfo = (outInfo != null 16976 && outInfo.removedChildPackages != null) 16977 ? outInfo.removedChildPackages.get(childPs.name) : null; 16978 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16979 && (replacingPackage != null 16980 && !replacingPackage.hasChildPackage(childPs.name)) 16981 ? flags & ~DELETE_KEEP_DATA : flags; 16982 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16983 deleteFlags, writeSettings); 16984 } 16985 } 16986 16987 // Delete application code and resources only for parent packages 16988 if (ps.parentPackageName == null) { 16989 if (deleteCodeAndResources && (outInfo != null)) { 16990 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16991 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16992 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16993 } 16994 } 16995 16996 return true; 16997 } 16998 16999 @Override 17000 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 17001 int userId) { 17002 mContext.enforceCallingOrSelfPermission( 17003 android.Manifest.permission.DELETE_PACKAGES, null); 17004 synchronized (mPackages) { 17005 PackageSetting ps = mSettings.mPackages.get(packageName); 17006 if (ps == null) { 17007 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 17008 return false; 17009 } 17010 if (!ps.getInstalled(userId)) { 17011 // Can't block uninstall for an app that is not installed or enabled. 17012 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 17013 return false; 17014 } 17015 ps.setBlockUninstall(blockUninstall, userId); 17016 mSettings.writePackageRestrictionsLPr(userId); 17017 } 17018 return true; 17019 } 17020 17021 @Override 17022 public boolean getBlockUninstallForUser(String packageName, int userId) { 17023 synchronized (mPackages) { 17024 PackageSetting ps = mSettings.mPackages.get(packageName); 17025 if (ps == null) { 17026 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 17027 return false; 17028 } 17029 return ps.getBlockUninstall(userId); 17030 } 17031 } 17032 17033 @Override 17034 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 17035 int callingUid = Binder.getCallingUid(); 17036 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 17037 throw new SecurityException( 17038 "setRequiredForSystemUser can only be run by the system or root"); 17039 } 17040 synchronized (mPackages) { 17041 PackageSetting ps = mSettings.mPackages.get(packageName); 17042 if (ps == null) { 17043 Log.w(TAG, "Package doesn't exist: " + packageName); 17044 return false; 17045 } 17046 if (systemUserApp) { 17047 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17048 } else { 17049 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17050 } 17051 mSettings.writeLPr(); 17052 } 17053 return true; 17054 } 17055 17056 /* 17057 * This method handles package deletion in general 17058 */ 17059 private boolean deletePackageLIF(String packageName, UserHandle user, 17060 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 17061 PackageRemovedInfo outInfo, boolean writeSettings, 17062 PackageParser.Package replacingPackage) { 17063 if (packageName == null) { 17064 Slog.w(TAG, "Attempt to delete null packageName."); 17065 return false; 17066 } 17067 17068 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 17069 17070 PackageSetting ps; 17071 17072 synchronized (mPackages) { 17073 ps = mSettings.mPackages.get(packageName); 17074 if (ps == null) { 17075 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 17076 return false; 17077 } 17078 17079 if (ps.parentPackageName != null && (!isSystemApp(ps) 17080 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 17081 if (DEBUG_REMOVE) { 17082 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 17083 + ((user == null) ? UserHandle.USER_ALL : user)); 17084 } 17085 final int removedUserId = (user != null) ? user.getIdentifier() 17086 : UserHandle.USER_ALL; 17087 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 17088 return false; 17089 } 17090 markPackageUninstalledForUserLPw(ps, user); 17091 scheduleWritePackageRestrictionsLocked(user); 17092 return true; 17093 } 17094 } 17095 17096 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 17097 && user.getIdentifier() != UserHandle.USER_ALL)) { 17098 // The caller is asking that the package only be deleted for a single 17099 // user. To do this, we just mark its uninstalled state and delete 17100 // its data. If this is a system app, we only allow this to happen if 17101 // they have set the special DELETE_SYSTEM_APP which requests different 17102 // semantics than normal for uninstalling system apps. 17103 markPackageUninstalledForUserLPw(ps, user); 17104 17105 if (!isSystemApp(ps)) { 17106 // Do not uninstall the APK if an app should be cached 17107 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 17108 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 17109 // Other user still have this package installed, so all 17110 // we need to do is clear this user's data and save that 17111 // it is uninstalled. 17112 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 17113 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17114 return false; 17115 } 17116 scheduleWritePackageRestrictionsLocked(user); 17117 return true; 17118 } else { 17119 // We need to set it back to 'installed' so the uninstall 17120 // broadcasts will be sent correctly. 17121 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 17122 ps.setInstalled(true, user.getIdentifier()); 17123 } 17124 } else { 17125 // This is a system app, so we assume that the 17126 // other users still have this package installed, so all 17127 // we need to do is clear this user's data and save that 17128 // it is uninstalled. 17129 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 17130 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17131 return false; 17132 } 17133 scheduleWritePackageRestrictionsLocked(user); 17134 return true; 17135 } 17136 } 17137 17138 // If we are deleting a composite package for all users, keep track 17139 // of result for each child. 17140 if (ps.childPackageNames != null && outInfo != null) { 17141 synchronized (mPackages) { 17142 final int childCount = ps.childPackageNames.size(); 17143 outInfo.removedChildPackages = new ArrayMap<>(childCount); 17144 for (int i = 0; i < childCount; i++) { 17145 String childPackageName = ps.childPackageNames.get(i); 17146 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 17147 childInfo.removedPackage = childPackageName; 17148 outInfo.removedChildPackages.put(childPackageName, childInfo); 17149 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17150 if (childPs != null) { 17151 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 17152 } 17153 } 17154 } 17155 } 17156 17157 boolean ret = false; 17158 if (isSystemApp(ps)) { 17159 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 17160 // When an updated system application is deleted we delete the existing resources 17161 // as well and fall back to existing code in system partition 17162 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 17163 } else { 17164 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 17165 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 17166 outInfo, writeSettings, replacingPackage); 17167 } 17168 17169 // Take a note whether we deleted the package for all users 17170 if (outInfo != null) { 17171 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 17172 if (outInfo.removedChildPackages != null) { 17173 synchronized (mPackages) { 17174 final int childCount = outInfo.removedChildPackages.size(); 17175 for (int i = 0; i < childCount; i++) { 17176 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 17177 if (childInfo != null) { 17178 childInfo.removedForAllUsers = mPackages.get( 17179 childInfo.removedPackage) == null; 17180 } 17181 } 17182 } 17183 } 17184 // If we uninstalled an update to a system app there may be some 17185 // child packages that appeared as they are declared in the system 17186 // app but were not declared in the update. 17187 if (isSystemApp(ps)) { 17188 synchronized (mPackages) { 17189 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 17190 final int childCount = (updatedPs.childPackageNames != null) 17191 ? updatedPs.childPackageNames.size() : 0; 17192 for (int i = 0; i < childCount; i++) { 17193 String childPackageName = updatedPs.childPackageNames.get(i); 17194 if (outInfo.removedChildPackages == null 17195 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 17196 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17197 if (childPs == null) { 17198 continue; 17199 } 17200 PackageInstalledInfo installRes = new PackageInstalledInfo(); 17201 installRes.name = childPackageName; 17202 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 17203 installRes.pkg = mPackages.get(childPackageName); 17204 installRes.uid = childPs.pkg.applicationInfo.uid; 17205 if (outInfo.appearedChildPackages == null) { 17206 outInfo.appearedChildPackages = new ArrayMap<>(); 17207 } 17208 outInfo.appearedChildPackages.put(childPackageName, installRes); 17209 } 17210 } 17211 } 17212 } 17213 } 17214 17215 return ret; 17216 } 17217 17218 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 17219 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 17220 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 17221 for (int nextUserId : userIds) { 17222 if (DEBUG_REMOVE) { 17223 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 17224 } 17225 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 17226 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 17227 false /*hidden*/, false /*suspended*/, null, null, null, 17228 false /*blockUninstall*/, 17229 ps.readUserState(nextUserId).domainVerificationStatus, 0, 17230 PackageManager.INSTALL_REASON_UNKNOWN); 17231 } 17232 } 17233 17234 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 17235 PackageRemovedInfo outInfo) { 17236 final PackageParser.Package pkg; 17237 synchronized (mPackages) { 17238 pkg = mPackages.get(ps.name); 17239 } 17240 17241 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 17242 : new int[] {userId}; 17243 for (int nextUserId : userIds) { 17244 if (DEBUG_REMOVE) { 17245 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 17246 + nextUserId); 17247 } 17248 17249 destroyAppDataLIF(pkg, userId, 17250 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17251 destroyAppProfilesLIF(pkg, userId); 17252 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 17253 schedulePackageCleaning(ps.name, nextUserId, false); 17254 synchronized (mPackages) { 17255 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 17256 scheduleWritePackageRestrictionsLocked(nextUserId); 17257 } 17258 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 17259 } 17260 } 17261 17262 if (outInfo != null) { 17263 outInfo.removedPackage = ps.name; 17264 outInfo.removedAppId = ps.appId; 17265 outInfo.removedUsers = userIds; 17266 } 17267 17268 return true; 17269 } 17270 17271 private final class ClearStorageConnection implements ServiceConnection { 17272 IMediaContainerService mContainerService; 17273 17274 @Override 17275 public void onServiceConnected(ComponentName name, IBinder service) { 17276 synchronized (this) { 17277 mContainerService = IMediaContainerService.Stub 17278 .asInterface(Binder.allowBlocking(service)); 17279 notifyAll(); 17280 } 17281 } 17282 17283 @Override 17284 public void onServiceDisconnected(ComponentName name) { 17285 } 17286 } 17287 17288 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 17289 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 17290 17291 final boolean mounted; 17292 if (Environment.isExternalStorageEmulated()) { 17293 mounted = true; 17294 } else { 17295 final String status = Environment.getExternalStorageState(); 17296 17297 mounted = status.equals(Environment.MEDIA_MOUNTED) 17298 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 17299 } 17300 17301 if (!mounted) { 17302 return; 17303 } 17304 17305 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 17306 int[] users; 17307 if (userId == UserHandle.USER_ALL) { 17308 users = sUserManager.getUserIds(); 17309 } else { 17310 users = new int[] { userId }; 17311 } 17312 final ClearStorageConnection conn = new ClearStorageConnection(); 17313 if (mContext.bindServiceAsUser( 17314 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 17315 try { 17316 for (int curUser : users) { 17317 long timeout = SystemClock.uptimeMillis() + 5000; 17318 synchronized (conn) { 17319 long now; 17320 while (conn.mContainerService == null && 17321 (now = SystemClock.uptimeMillis()) < timeout) { 17322 try { 17323 conn.wait(timeout - now); 17324 } catch (InterruptedException e) { 17325 } 17326 } 17327 } 17328 if (conn.mContainerService == null) { 17329 return; 17330 } 17331 17332 final UserEnvironment userEnv = new UserEnvironment(curUser); 17333 clearDirectory(conn.mContainerService, 17334 userEnv.buildExternalStorageAppCacheDirs(packageName)); 17335 if (allData) { 17336 clearDirectory(conn.mContainerService, 17337 userEnv.buildExternalStorageAppDataDirs(packageName)); 17338 clearDirectory(conn.mContainerService, 17339 userEnv.buildExternalStorageAppMediaDirs(packageName)); 17340 } 17341 } 17342 } finally { 17343 mContext.unbindService(conn); 17344 } 17345 } 17346 } 17347 17348 @Override 17349 public void clearApplicationProfileData(String packageName) { 17350 enforceSystemOrRoot("Only the system can clear all profile data"); 17351 17352 final PackageParser.Package pkg; 17353 synchronized (mPackages) { 17354 pkg = mPackages.get(packageName); 17355 } 17356 17357 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 17358 synchronized (mInstallLock) { 17359 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 17360 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 17361 true /* removeBaseMarker */); 17362 } 17363 } 17364 } 17365 17366 @Override 17367 public void clearApplicationUserData(final String packageName, 17368 final IPackageDataObserver observer, final int userId) { 17369 mContext.enforceCallingOrSelfPermission( 17370 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 17371 17372 enforceCrossUserPermission(Binder.getCallingUid(), userId, 17373 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 17374 17375 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 17376 throw new SecurityException("Cannot clear data for a protected package: " 17377 + packageName); 17378 } 17379 // Queue up an async operation since the package deletion may take a little while. 17380 mHandler.post(new Runnable() { 17381 public void run() { 17382 mHandler.removeCallbacks(this); 17383 final boolean succeeded; 17384 try (PackageFreezer freezer = freezePackage(packageName, 17385 "clearApplicationUserData")) { 17386 synchronized (mInstallLock) { 17387 succeeded = clearApplicationUserDataLIF(packageName, userId); 17388 } 17389 clearExternalStorageDataSync(packageName, userId, true); 17390 } 17391 if (succeeded) { 17392 // invoke DeviceStorageMonitor's update method to clear any notifications 17393 DeviceStorageMonitorInternal dsm = LocalServices 17394 .getService(DeviceStorageMonitorInternal.class); 17395 if (dsm != null) { 17396 dsm.checkMemory(); 17397 } 17398 } 17399 if(observer != null) { 17400 try { 17401 observer.onRemoveCompleted(packageName, succeeded); 17402 } catch (RemoteException e) { 17403 Log.i(TAG, "Observer no longer exists."); 17404 } 17405 } //end if observer 17406 } //end run 17407 }); 17408 } 17409 17410 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 17411 if (packageName == null) { 17412 Slog.w(TAG, "Attempt to delete null packageName."); 17413 return false; 17414 } 17415 17416 // Try finding details about the requested package 17417 PackageParser.Package pkg; 17418 synchronized (mPackages) { 17419 pkg = mPackages.get(packageName); 17420 if (pkg == null) { 17421 final PackageSetting ps = mSettings.mPackages.get(packageName); 17422 if (ps != null) { 17423 pkg = ps.pkg; 17424 } 17425 } 17426 17427 if (pkg == null) { 17428 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 17429 return false; 17430 } 17431 17432 PackageSetting ps = (PackageSetting) pkg.mExtras; 17433 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 17434 } 17435 17436 clearAppDataLIF(pkg, userId, 17437 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17438 17439 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 17440 removeKeystoreDataIfNeeded(userId, appId); 17441 17442 UserManagerInternal umInternal = getUserManagerInternal(); 17443 final int flags; 17444 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 17445 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17446 } else if (umInternal.isUserRunning(userId)) { 17447 flags = StorageManager.FLAG_STORAGE_DE; 17448 } else { 17449 flags = 0; 17450 } 17451 prepareAppDataContentsLIF(pkg, userId, flags); 17452 17453 return true; 17454 } 17455 17456 /** 17457 * Reverts user permission state changes (permissions and flags) in 17458 * all packages for a given user. 17459 * 17460 * @param userId The device user for which to do a reset. 17461 */ 17462 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 17463 final int packageCount = mPackages.size(); 17464 for (int i = 0; i < packageCount; i++) { 17465 PackageParser.Package pkg = mPackages.valueAt(i); 17466 PackageSetting ps = (PackageSetting) pkg.mExtras; 17467 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 17468 } 17469 } 17470 17471 private void resetNetworkPolicies(int userId) { 17472 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 17473 } 17474 17475 /** 17476 * Reverts user permission state changes (permissions and flags). 17477 * 17478 * @param ps The package for which to reset. 17479 * @param userId The device user for which to do a reset. 17480 */ 17481 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 17482 final PackageSetting ps, final int userId) { 17483 if (ps.pkg == null) { 17484 return; 17485 } 17486 17487 // These are flags that can change base on user actions. 17488 final int userSettableMask = FLAG_PERMISSION_USER_SET 17489 | FLAG_PERMISSION_USER_FIXED 17490 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 17491 | FLAG_PERMISSION_REVIEW_REQUIRED; 17492 17493 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 17494 | FLAG_PERMISSION_POLICY_FIXED; 17495 17496 boolean writeInstallPermissions = false; 17497 boolean writeRuntimePermissions = false; 17498 17499 final int permissionCount = ps.pkg.requestedPermissions.size(); 17500 for (int i = 0; i < permissionCount; i++) { 17501 String permission = ps.pkg.requestedPermissions.get(i); 17502 17503 BasePermission bp = mSettings.mPermissions.get(permission); 17504 if (bp == null) { 17505 continue; 17506 } 17507 17508 // If shared user we just reset the state to which only this app contributed. 17509 if (ps.sharedUser != null) { 17510 boolean used = false; 17511 final int packageCount = ps.sharedUser.packages.size(); 17512 for (int j = 0; j < packageCount; j++) { 17513 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 17514 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 17515 && pkg.pkg.requestedPermissions.contains(permission)) { 17516 used = true; 17517 break; 17518 } 17519 } 17520 if (used) { 17521 continue; 17522 } 17523 } 17524 17525 PermissionsState permissionsState = ps.getPermissionsState(); 17526 17527 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 17528 17529 // Always clear the user settable flags. 17530 final boolean hasInstallState = permissionsState.getInstallPermissionState( 17531 bp.name) != null; 17532 // If permission review is enabled and this is a legacy app, mark the 17533 // permission as requiring a review as this is the initial state. 17534 int flags = 0; 17535 if (mPermissionReviewRequired 17536 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 17537 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 17538 } 17539 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 17540 if (hasInstallState) { 17541 writeInstallPermissions = true; 17542 } else { 17543 writeRuntimePermissions = true; 17544 } 17545 } 17546 17547 // Below is only runtime permission handling. 17548 if (!bp.isRuntime()) { 17549 continue; 17550 } 17551 17552 // Never clobber system or policy. 17553 if ((oldFlags & policyOrSystemFlags) != 0) { 17554 continue; 17555 } 17556 17557 // If this permission was granted by default, make sure it is. 17558 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 17559 if (permissionsState.grantRuntimePermission(bp, userId) 17560 != PERMISSION_OPERATION_FAILURE) { 17561 writeRuntimePermissions = true; 17562 } 17563 // If permission review is enabled the permissions for a legacy apps 17564 // are represented as constantly granted runtime ones, so don't revoke. 17565 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 17566 // Otherwise, reset the permission. 17567 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 17568 switch (revokeResult) { 17569 case PERMISSION_OPERATION_SUCCESS: 17570 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 17571 writeRuntimePermissions = true; 17572 final int appId = ps.appId; 17573 mHandler.post(new Runnable() { 17574 @Override 17575 public void run() { 17576 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 17577 } 17578 }); 17579 } break; 17580 } 17581 } 17582 } 17583 17584 // Synchronously write as we are taking permissions away. 17585 if (writeRuntimePermissions) { 17586 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 17587 } 17588 17589 // Synchronously write as we are taking permissions away. 17590 if (writeInstallPermissions) { 17591 mSettings.writeLPr(); 17592 } 17593 } 17594 17595 /** 17596 * Remove entries from the keystore daemon. Will only remove it if the 17597 * {@code appId} is valid. 17598 */ 17599 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 17600 if (appId < 0) { 17601 return; 17602 } 17603 17604 final KeyStore keyStore = KeyStore.getInstance(); 17605 if (keyStore != null) { 17606 if (userId == UserHandle.USER_ALL) { 17607 for (final int individual : sUserManager.getUserIds()) { 17608 keyStore.clearUid(UserHandle.getUid(individual, appId)); 17609 } 17610 } else { 17611 keyStore.clearUid(UserHandle.getUid(userId, appId)); 17612 } 17613 } else { 17614 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 17615 } 17616 } 17617 17618 @Override 17619 public void deleteApplicationCacheFiles(final String packageName, 17620 final IPackageDataObserver observer) { 17621 final int userId = UserHandle.getCallingUserId(); 17622 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 17623 } 17624 17625 @Override 17626 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 17627 final IPackageDataObserver observer) { 17628 mContext.enforceCallingOrSelfPermission( 17629 android.Manifest.permission.DELETE_CACHE_FILES, null); 17630 enforceCrossUserPermission(Binder.getCallingUid(), userId, 17631 /* requireFullPermission= */ true, /* checkShell= */ false, 17632 "delete application cache files"); 17633 17634 final PackageParser.Package pkg; 17635 synchronized (mPackages) { 17636 pkg = mPackages.get(packageName); 17637 } 17638 17639 // Queue up an async operation since the package deletion may take a little while. 17640 mHandler.post(new Runnable() { 17641 public void run() { 17642 synchronized (mInstallLock) { 17643 final int flags = StorageManager.FLAG_STORAGE_DE 17644 | StorageManager.FLAG_STORAGE_CE; 17645 // We're only clearing cache files, so we don't care if the 17646 // app is unfrozen and still able to run 17647 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 17648 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17649 } 17650 clearExternalStorageDataSync(packageName, userId, false); 17651 if (observer != null) { 17652 try { 17653 observer.onRemoveCompleted(packageName, true); 17654 } catch (RemoteException e) { 17655 Log.i(TAG, "Observer no longer exists."); 17656 } 17657 } 17658 } 17659 }); 17660 } 17661 17662 @Override 17663 public void getPackageSizeInfo(final String packageName, int userHandle, 17664 final IPackageStatsObserver observer) { 17665 mContext.enforceCallingOrSelfPermission( 17666 android.Manifest.permission.GET_PACKAGE_SIZE, null); 17667 if (packageName == null) { 17668 throw new IllegalArgumentException("Attempt to get size of null packageName"); 17669 } 17670 17671 PackageStats stats = new PackageStats(packageName, userHandle); 17672 17673 /* 17674 * Queue up an async operation since the package measurement may take a 17675 * little while. 17676 */ 17677 Message msg = mHandler.obtainMessage(INIT_COPY); 17678 msg.obj = new MeasureParams(stats, observer); 17679 mHandler.sendMessage(msg); 17680 } 17681 17682 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 17683 final PackageSetting ps; 17684 synchronized (mPackages) { 17685 ps = mSettings.mPackages.get(packageName); 17686 if (ps == null) { 17687 Slog.w(TAG, "Failed to find settings for " + packageName); 17688 return false; 17689 } 17690 } 17691 17692 final String[] packageNames = { packageName }; 17693 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 17694 final String[] codePaths = { ps.codePathString }; 17695 17696 try { 17697 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 17698 ps.appId, ceDataInodes, codePaths, stats); 17699 17700 // For now, ignore code size of packages on system partition 17701 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 17702 stats.codeSize = 0; 17703 } 17704 17705 // External clients expect these to be tracked separately 17706 stats.dataSize -= stats.cacheSize; 17707 17708 } catch (InstallerException e) { 17709 Slog.w(TAG, String.valueOf(e)); 17710 return false; 17711 } 17712 17713 return true; 17714 } 17715 17716 private int getUidTargetSdkVersionLockedLPr(int uid) { 17717 Object obj = mSettings.getUserIdLPr(uid); 17718 if (obj instanceof SharedUserSetting) { 17719 final SharedUserSetting sus = (SharedUserSetting) obj; 17720 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 17721 final Iterator<PackageSetting> it = sus.packages.iterator(); 17722 while (it.hasNext()) { 17723 final PackageSetting ps = it.next(); 17724 if (ps.pkg != null) { 17725 int v = ps.pkg.applicationInfo.targetSdkVersion; 17726 if (v < vers) vers = v; 17727 } 17728 } 17729 return vers; 17730 } else if (obj instanceof PackageSetting) { 17731 final PackageSetting ps = (PackageSetting) obj; 17732 if (ps.pkg != null) { 17733 return ps.pkg.applicationInfo.targetSdkVersion; 17734 } 17735 } 17736 return Build.VERSION_CODES.CUR_DEVELOPMENT; 17737 } 17738 17739 @Override 17740 public void addPreferredActivity(IntentFilter filter, int match, 17741 ComponentName[] set, ComponentName activity, int userId) { 17742 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17743 "Adding preferred"); 17744 } 17745 17746 private void addPreferredActivityInternal(IntentFilter filter, int match, 17747 ComponentName[] set, ComponentName activity, boolean always, int userId, 17748 String opname) { 17749 // writer 17750 int callingUid = Binder.getCallingUid(); 17751 enforceCrossUserPermission(callingUid, userId, 17752 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 17753 if (filter.countActions() == 0) { 17754 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17755 return; 17756 } 17757 synchronized (mPackages) { 17758 if (mContext.checkCallingOrSelfPermission( 17759 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17760 != PackageManager.PERMISSION_GRANTED) { 17761 if (getUidTargetSdkVersionLockedLPr(callingUid) 17762 < Build.VERSION_CODES.FROYO) { 17763 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 17764 + callingUid); 17765 return; 17766 } 17767 mContext.enforceCallingOrSelfPermission( 17768 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17769 } 17770 17771 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 17772 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 17773 + userId + ":"); 17774 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17775 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 17776 scheduleWritePackageRestrictionsLocked(userId); 17777 postPreferredActivityChangedBroadcast(userId); 17778 } 17779 } 17780 17781 private void postPreferredActivityChangedBroadcast(int userId) { 17782 mHandler.post(() -> { 17783 final IActivityManager am = ActivityManager.getService(); 17784 if (am == null) { 17785 return; 17786 } 17787 17788 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 17789 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 17790 try { 17791 am.broadcastIntent(null, intent, null, null, 17792 0, null, null, null, android.app.AppOpsManager.OP_NONE, 17793 null, false, false, userId); 17794 } catch (RemoteException e) { 17795 } 17796 }); 17797 } 17798 17799 @Override 17800 public void replacePreferredActivity(IntentFilter filter, int match, 17801 ComponentName[] set, ComponentName activity, int userId) { 17802 if (filter.countActions() != 1) { 17803 throw new IllegalArgumentException( 17804 "replacePreferredActivity expects filter to have only 1 action."); 17805 } 17806 if (filter.countDataAuthorities() != 0 17807 || filter.countDataPaths() != 0 17808 || filter.countDataSchemes() > 1 17809 || filter.countDataTypes() != 0) { 17810 throw new IllegalArgumentException( 17811 "replacePreferredActivity expects filter to have no data authorities, " + 17812 "paths, or types; and at most one scheme."); 17813 } 17814 17815 final int callingUid = Binder.getCallingUid(); 17816 enforceCrossUserPermission(callingUid, userId, 17817 true /* requireFullPermission */, false /* checkShell */, 17818 "replace preferred activity"); 17819 synchronized (mPackages) { 17820 if (mContext.checkCallingOrSelfPermission( 17821 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17822 != PackageManager.PERMISSION_GRANTED) { 17823 if (getUidTargetSdkVersionLockedLPr(callingUid) 17824 < Build.VERSION_CODES.FROYO) { 17825 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 17826 + Binder.getCallingUid()); 17827 return; 17828 } 17829 mContext.enforceCallingOrSelfPermission( 17830 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17831 } 17832 17833 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17834 if (pir != null) { 17835 // Get all of the existing entries that exactly match this filter. 17836 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 17837 if (existing != null && existing.size() == 1) { 17838 PreferredActivity cur = existing.get(0); 17839 if (DEBUG_PREFERRED) { 17840 Slog.i(TAG, "Checking replace of preferred:"); 17841 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17842 if (!cur.mPref.mAlways) { 17843 Slog.i(TAG, " -- CUR; not mAlways!"); 17844 } else { 17845 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 17846 Slog.i(TAG, " -- CUR: mSet=" 17847 + Arrays.toString(cur.mPref.mSetComponents)); 17848 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 17849 Slog.i(TAG, " -- NEW: mMatch=" 17850 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 17851 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 17852 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 17853 } 17854 } 17855 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 17856 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 17857 && cur.mPref.sameSet(set)) { 17858 // Setting the preferred activity to what it happens to be already 17859 if (DEBUG_PREFERRED) { 17860 Slog.i(TAG, "Replacing with same preferred activity " 17861 + cur.mPref.mShortComponent + " for user " 17862 + userId + ":"); 17863 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17864 } 17865 return; 17866 } 17867 } 17868 17869 if (existing != null) { 17870 if (DEBUG_PREFERRED) { 17871 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 17872 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17873 } 17874 for (int i = 0; i < existing.size(); i++) { 17875 PreferredActivity pa = existing.get(i); 17876 if (DEBUG_PREFERRED) { 17877 Slog.i(TAG, "Removing existing preferred activity " 17878 + pa.mPref.mComponent + ":"); 17879 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 17880 } 17881 pir.removeFilter(pa); 17882 } 17883 } 17884 } 17885 addPreferredActivityInternal(filter, match, set, activity, true, userId, 17886 "Replacing preferred"); 17887 } 17888 } 17889 17890 @Override 17891 public void clearPackagePreferredActivities(String packageName) { 17892 final int uid = Binder.getCallingUid(); 17893 // writer 17894 synchronized (mPackages) { 17895 PackageParser.Package pkg = mPackages.get(packageName); 17896 if (pkg == null || pkg.applicationInfo.uid != uid) { 17897 if (mContext.checkCallingOrSelfPermission( 17898 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 17899 != PackageManager.PERMISSION_GRANTED) { 17900 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 17901 < Build.VERSION_CODES.FROYO) { 17902 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 17903 + Binder.getCallingUid()); 17904 return; 17905 } 17906 mContext.enforceCallingOrSelfPermission( 17907 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17908 } 17909 } 17910 17911 int user = UserHandle.getCallingUserId(); 17912 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 17913 scheduleWritePackageRestrictionsLocked(user); 17914 } 17915 } 17916 } 17917 17918 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17919 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 17920 ArrayList<PreferredActivity> removed = null; 17921 boolean changed = false; 17922 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17923 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 17924 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17925 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 17926 continue; 17927 } 17928 Iterator<PreferredActivity> it = pir.filterIterator(); 17929 while (it.hasNext()) { 17930 PreferredActivity pa = it.next(); 17931 // Mark entry for removal only if it matches the package name 17932 // and the entry is of type "always". 17933 if (packageName == null || 17934 (pa.mPref.mComponent.getPackageName().equals(packageName) 17935 && pa.mPref.mAlways)) { 17936 if (removed == null) { 17937 removed = new ArrayList<PreferredActivity>(); 17938 } 17939 removed.add(pa); 17940 } 17941 } 17942 if (removed != null) { 17943 for (int j=0; j<removed.size(); j++) { 17944 PreferredActivity pa = removed.get(j); 17945 pir.removeFilter(pa); 17946 } 17947 changed = true; 17948 } 17949 } 17950 if (changed) { 17951 postPreferredActivityChangedBroadcast(userId); 17952 } 17953 return changed; 17954 } 17955 17956 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17957 private void clearIntentFilterVerificationsLPw(int userId) { 17958 final int packageCount = mPackages.size(); 17959 for (int i = 0; i < packageCount; i++) { 17960 PackageParser.Package pkg = mPackages.valueAt(i); 17961 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 17962 } 17963 } 17964 17965 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17966 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17967 if (userId == UserHandle.USER_ALL) { 17968 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17969 sUserManager.getUserIds())) { 17970 for (int oneUserId : sUserManager.getUserIds()) { 17971 scheduleWritePackageRestrictionsLocked(oneUserId); 17972 } 17973 } 17974 } else { 17975 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17976 scheduleWritePackageRestrictionsLocked(userId); 17977 } 17978 } 17979 } 17980 17981 void clearDefaultBrowserIfNeeded(String packageName) { 17982 for (int oneUserId : sUserManager.getUserIds()) { 17983 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17984 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17985 if (packageName.equals(defaultBrowserPackageName)) { 17986 setDefaultBrowserPackageName(null, oneUserId); 17987 } 17988 } 17989 } 17990 17991 @Override 17992 public void resetApplicationPreferences(int userId) { 17993 mContext.enforceCallingOrSelfPermission( 17994 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17995 final long identity = Binder.clearCallingIdentity(); 17996 // writer 17997 try { 17998 synchronized (mPackages) { 17999 clearPackagePreferredActivitiesLPw(null, userId); 18000 mSettings.applyDefaultPreferredAppsLPw(this, userId); 18001 // TODO: We have to reset the default SMS and Phone. This requires 18002 // significant refactoring to keep all default apps in the package 18003 // manager (cleaner but more work) or have the services provide 18004 // callbacks to the package manager to request a default app reset. 18005 applyFactoryDefaultBrowserLPw(userId); 18006 clearIntentFilterVerificationsLPw(userId); 18007 primeDomainVerificationsLPw(userId); 18008 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 18009 scheduleWritePackageRestrictionsLocked(userId); 18010 } 18011 resetNetworkPolicies(userId); 18012 } finally { 18013 Binder.restoreCallingIdentity(identity); 18014 } 18015 } 18016 18017 @Override 18018 public int getPreferredActivities(List<IntentFilter> outFilters, 18019 List<ComponentName> outActivities, String packageName) { 18020 18021 int num = 0; 18022 final int userId = UserHandle.getCallingUserId(); 18023 // reader 18024 synchronized (mPackages) { 18025 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18026 if (pir != null) { 18027 final Iterator<PreferredActivity> it = pir.filterIterator(); 18028 while (it.hasNext()) { 18029 final PreferredActivity pa = it.next(); 18030 if (packageName == null 18031 || (pa.mPref.mComponent.getPackageName().equals(packageName) 18032 && pa.mPref.mAlways)) { 18033 if (outFilters != null) { 18034 outFilters.add(new IntentFilter(pa)); 18035 } 18036 if (outActivities != null) { 18037 outActivities.add(pa.mPref.mComponent); 18038 } 18039 } 18040 } 18041 } 18042 } 18043 18044 return num; 18045 } 18046 18047 @Override 18048 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 18049 int userId) { 18050 int callingUid = Binder.getCallingUid(); 18051 if (callingUid != Process.SYSTEM_UID) { 18052 throw new SecurityException( 18053 "addPersistentPreferredActivity can only be run by the system"); 18054 } 18055 if (filter.countActions() == 0) { 18056 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18057 return; 18058 } 18059 synchronized (mPackages) { 18060 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 18061 ":"); 18062 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18063 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 18064 new PersistentPreferredActivity(filter, activity)); 18065 scheduleWritePackageRestrictionsLocked(userId); 18066 postPreferredActivityChangedBroadcast(userId); 18067 } 18068 } 18069 18070 @Override 18071 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 18072 int callingUid = Binder.getCallingUid(); 18073 if (callingUid != Process.SYSTEM_UID) { 18074 throw new SecurityException( 18075 "clearPackagePersistentPreferredActivities can only be run by the system"); 18076 } 18077 ArrayList<PersistentPreferredActivity> removed = null; 18078 boolean changed = false; 18079 synchronized (mPackages) { 18080 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 18081 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 18082 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 18083 .valueAt(i); 18084 if (userId != thisUserId) { 18085 continue; 18086 } 18087 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 18088 while (it.hasNext()) { 18089 PersistentPreferredActivity ppa = it.next(); 18090 // Mark entry for removal only if it matches the package name. 18091 if (ppa.mComponent.getPackageName().equals(packageName)) { 18092 if (removed == null) { 18093 removed = new ArrayList<PersistentPreferredActivity>(); 18094 } 18095 removed.add(ppa); 18096 } 18097 } 18098 if (removed != null) { 18099 for (int j=0; j<removed.size(); j++) { 18100 PersistentPreferredActivity ppa = removed.get(j); 18101 ppir.removeFilter(ppa); 18102 } 18103 changed = true; 18104 } 18105 } 18106 18107 if (changed) { 18108 scheduleWritePackageRestrictionsLocked(userId); 18109 postPreferredActivityChangedBroadcast(userId); 18110 } 18111 } 18112 } 18113 18114 /** 18115 * Common machinery for picking apart a restored XML blob and passing 18116 * it to a caller-supplied functor to be applied to the running system. 18117 */ 18118 private void restoreFromXml(XmlPullParser parser, int userId, 18119 String expectedStartTag, BlobXmlRestorer functor) 18120 throws IOException, XmlPullParserException { 18121 int type; 18122 while ((type = parser.next()) != XmlPullParser.START_TAG 18123 && type != XmlPullParser.END_DOCUMENT) { 18124 } 18125 if (type != XmlPullParser.START_TAG) { 18126 // oops didn't find a start tag?! 18127 if (DEBUG_BACKUP) { 18128 Slog.e(TAG, "Didn't find start tag during restore"); 18129 } 18130 return; 18131 } 18132Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 18133 // this is supposed to be TAG_PREFERRED_BACKUP 18134 if (!expectedStartTag.equals(parser.getName())) { 18135 if (DEBUG_BACKUP) { 18136 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 18137 } 18138 return; 18139 } 18140 18141 // skip interfering stuff, then we're aligned with the backing implementation 18142 while ((type = parser.next()) == XmlPullParser.TEXT) { } 18143Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 18144 functor.apply(parser, userId); 18145 } 18146 18147 private interface BlobXmlRestorer { 18148 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 18149 } 18150 18151 /** 18152 * Non-Binder method, support for the backup/restore mechanism: write the 18153 * full set of preferred activities in its canonical XML format. Returns the 18154 * XML output as a byte array, or null if there is none. 18155 */ 18156 @Override 18157 public byte[] getPreferredActivityBackup(int userId) { 18158 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18159 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 18160 } 18161 18162 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18163 try { 18164 final XmlSerializer serializer = new FastXmlSerializer(); 18165 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18166 serializer.startDocument(null, true); 18167 serializer.startTag(null, TAG_PREFERRED_BACKUP); 18168 18169 synchronized (mPackages) { 18170 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 18171 } 18172 18173 serializer.endTag(null, TAG_PREFERRED_BACKUP); 18174 serializer.endDocument(); 18175 serializer.flush(); 18176 } catch (Exception e) { 18177 if (DEBUG_BACKUP) { 18178 Slog.e(TAG, "Unable to write preferred activities for backup", e); 18179 } 18180 return null; 18181 } 18182 18183 return dataStream.toByteArray(); 18184 } 18185 18186 @Override 18187 public void restorePreferredActivities(byte[] backup, int userId) { 18188 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18189 throw new SecurityException("Only the system may call restorePreferredActivities()"); 18190 } 18191 18192 try { 18193 final XmlPullParser parser = Xml.newPullParser(); 18194 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18195 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 18196 new BlobXmlRestorer() { 18197 @Override 18198 public void apply(XmlPullParser parser, int userId) 18199 throws XmlPullParserException, IOException { 18200 synchronized (mPackages) { 18201 mSettings.readPreferredActivitiesLPw(parser, userId); 18202 } 18203 } 18204 } ); 18205 } catch (Exception e) { 18206 if (DEBUG_BACKUP) { 18207 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18208 } 18209 } 18210 } 18211 18212 /** 18213 * Non-Binder method, support for the backup/restore mechanism: write the 18214 * default browser (etc) settings in its canonical XML format. Returns the default 18215 * browser XML representation as a byte array, or null if there is none. 18216 */ 18217 @Override 18218 public byte[] getDefaultAppsBackup(int userId) { 18219 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18220 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 18221 } 18222 18223 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18224 try { 18225 final XmlSerializer serializer = new FastXmlSerializer(); 18226 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18227 serializer.startDocument(null, true); 18228 serializer.startTag(null, TAG_DEFAULT_APPS); 18229 18230 synchronized (mPackages) { 18231 mSettings.writeDefaultAppsLPr(serializer, userId); 18232 } 18233 18234 serializer.endTag(null, TAG_DEFAULT_APPS); 18235 serializer.endDocument(); 18236 serializer.flush(); 18237 } catch (Exception e) { 18238 if (DEBUG_BACKUP) { 18239 Slog.e(TAG, "Unable to write default apps for backup", e); 18240 } 18241 return null; 18242 } 18243 18244 return dataStream.toByteArray(); 18245 } 18246 18247 @Override 18248 public void restoreDefaultApps(byte[] backup, int userId) { 18249 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18250 throw new SecurityException("Only the system may call restoreDefaultApps()"); 18251 } 18252 18253 try { 18254 final XmlPullParser parser = Xml.newPullParser(); 18255 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18256 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 18257 new BlobXmlRestorer() { 18258 @Override 18259 public void apply(XmlPullParser parser, int userId) 18260 throws XmlPullParserException, IOException { 18261 synchronized (mPackages) { 18262 mSettings.readDefaultAppsLPw(parser, userId); 18263 } 18264 } 18265 } ); 18266 } catch (Exception e) { 18267 if (DEBUG_BACKUP) { 18268 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 18269 } 18270 } 18271 } 18272 18273 @Override 18274 public byte[] getIntentFilterVerificationBackup(int userId) { 18275 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18276 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 18277 } 18278 18279 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18280 try { 18281 final XmlSerializer serializer = new FastXmlSerializer(); 18282 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18283 serializer.startDocument(null, true); 18284 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 18285 18286 synchronized (mPackages) { 18287 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 18288 } 18289 18290 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 18291 serializer.endDocument(); 18292 serializer.flush(); 18293 } catch (Exception e) { 18294 if (DEBUG_BACKUP) { 18295 Slog.e(TAG, "Unable to write default apps for backup", e); 18296 } 18297 return null; 18298 } 18299 18300 return dataStream.toByteArray(); 18301 } 18302 18303 @Override 18304 public void restoreIntentFilterVerification(byte[] backup, int userId) { 18305 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18306 throw new SecurityException("Only the system may call restorePreferredActivities()"); 18307 } 18308 18309 try { 18310 final XmlPullParser parser = Xml.newPullParser(); 18311 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18312 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 18313 new BlobXmlRestorer() { 18314 @Override 18315 public void apply(XmlPullParser parser, int userId) 18316 throws XmlPullParserException, IOException { 18317 synchronized (mPackages) { 18318 mSettings.readAllDomainVerificationsLPr(parser, userId); 18319 mSettings.writeLPr(); 18320 } 18321 } 18322 } ); 18323 } catch (Exception e) { 18324 if (DEBUG_BACKUP) { 18325 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18326 } 18327 } 18328 } 18329 18330 @Override 18331 public byte[] getPermissionGrantBackup(int userId) { 18332 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18333 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 18334 } 18335 18336 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18337 try { 18338 final XmlSerializer serializer = new FastXmlSerializer(); 18339 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18340 serializer.startDocument(null, true); 18341 serializer.startTag(null, TAG_PERMISSION_BACKUP); 18342 18343 synchronized (mPackages) { 18344 serializeRuntimePermissionGrantsLPr(serializer, userId); 18345 } 18346 18347 serializer.endTag(null, TAG_PERMISSION_BACKUP); 18348 serializer.endDocument(); 18349 serializer.flush(); 18350 } catch (Exception e) { 18351 if (DEBUG_BACKUP) { 18352 Slog.e(TAG, "Unable to write default apps for backup", e); 18353 } 18354 return null; 18355 } 18356 18357 return dataStream.toByteArray(); 18358 } 18359 18360 @Override 18361 public void restorePermissionGrants(byte[] backup, int userId) { 18362 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18363 throw new SecurityException("Only the system may call restorePermissionGrants()"); 18364 } 18365 18366 try { 18367 final XmlPullParser parser = Xml.newPullParser(); 18368 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18369 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 18370 new BlobXmlRestorer() { 18371 @Override 18372 public void apply(XmlPullParser parser, int userId) 18373 throws XmlPullParserException, IOException { 18374 synchronized (mPackages) { 18375 processRestoredPermissionGrantsLPr(parser, userId); 18376 } 18377 } 18378 } ); 18379 } catch (Exception e) { 18380 if (DEBUG_BACKUP) { 18381 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18382 } 18383 } 18384 } 18385 18386 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 18387 throws IOException { 18388 serializer.startTag(null, TAG_ALL_GRANTS); 18389 18390 final int N = mSettings.mPackages.size(); 18391 for (int i = 0; i < N; i++) { 18392 final PackageSetting ps = mSettings.mPackages.valueAt(i); 18393 boolean pkgGrantsKnown = false; 18394 18395 PermissionsState packagePerms = ps.getPermissionsState(); 18396 18397 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 18398 final int grantFlags = state.getFlags(); 18399 // only look at grants that are not system/policy fixed 18400 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 18401 final boolean isGranted = state.isGranted(); 18402 // And only back up the user-twiddled state bits 18403 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 18404 final String packageName = mSettings.mPackages.keyAt(i); 18405 if (!pkgGrantsKnown) { 18406 serializer.startTag(null, TAG_GRANT); 18407 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 18408 pkgGrantsKnown = true; 18409 } 18410 18411 final boolean userSet = 18412 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 18413 final boolean userFixed = 18414 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 18415 final boolean revoke = 18416 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 18417 18418 serializer.startTag(null, TAG_PERMISSION); 18419 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 18420 if (isGranted) { 18421 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 18422 } 18423 if (userSet) { 18424 serializer.attribute(null, ATTR_USER_SET, "true"); 18425 } 18426 if (userFixed) { 18427 serializer.attribute(null, ATTR_USER_FIXED, "true"); 18428 } 18429 if (revoke) { 18430 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 18431 } 18432 serializer.endTag(null, TAG_PERMISSION); 18433 } 18434 } 18435 } 18436 18437 if (pkgGrantsKnown) { 18438 serializer.endTag(null, TAG_GRANT); 18439 } 18440 } 18441 18442 serializer.endTag(null, TAG_ALL_GRANTS); 18443 } 18444 18445 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 18446 throws XmlPullParserException, IOException { 18447 String pkgName = null; 18448 int outerDepth = parser.getDepth(); 18449 int type; 18450 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 18451 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 18452 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 18453 continue; 18454 } 18455 18456 final String tagName = parser.getName(); 18457 if (tagName.equals(TAG_GRANT)) { 18458 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 18459 if (DEBUG_BACKUP) { 18460 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 18461 } 18462 } else if (tagName.equals(TAG_PERMISSION)) { 18463 18464 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 18465 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 18466 18467 int newFlagSet = 0; 18468 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 18469 newFlagSet |= FLAG_PERMISSION_USER_SET; 18470 } 18471 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 18472 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 18473 } 18474 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 18475 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 18476 } 18477 if (DEBUG_BACKUP) { 18478 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 18479 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 18480 } 18481 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18482 if (ps != null) { 18483 // Already installed so we apply the grant immediately 18484 if (DEBUG_BACKUP) { 18485 Slog.v(TAG, " + already installed; applying"); 18486 } 18487 PermissionsState perms = ps.getPermissionsState(); 18488 BasePermission bp = mSettings.mPermissions.get(permName); 18489 if (bp != null) { 18490 if (isGranted) { 18491 perms.grantRuntimePermission(bp, userId); 18492 } 18493 if (newFlagSet != 0) { 18494 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 18495 } 18496 } 18497 } else { 18498 // Need to wait for post-restore install to apply the grant 18499 if (DEBUG_BACKUP) { 18500 Slog.v(TAG, " - not yet installed; saving for later"); 18501 } 18502 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 18503 isGranted, newFlagSet, userId); 18504 } 18505 } else { 18506 PackageManagerService.reportSettingsProblem(Log.WARN, 18507 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 18508 XmlUtils.skipCurrentTag(parser); 18509 } 18510 } 18511 18512 scheduleWriteSettingsLocked(); 18513 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18514 } 18515 18516 @Override 18517 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 18518 int sourceUserId, int targetUserId, int flags) { 18519 mContext.enforceCallingOrSelfPermission( 18520 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 18521 int callingUid = Binder.getCallingUid(); 18522 enforceOwnerRights(ownerPackage, callingUid); 18523 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 18524 if (intentFilter.countActions() == 0) { 18525 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 18526 return; 18527 } 18528 synchronized (mPackages) { 18529 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 18530 ownerPackage, targetUserId, flags); 18531 CrossProfileIntentResolver resolver = 18532 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 18533 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 18534 // We have all those whose filter is equal. Now checking if the rest is equal as well. 18535 if (existing != null) { 18536 int size = existing.size(); 18537 for (int i = 0; i < size; i++) { 18538 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 18539 return; 18540 } 18541 } 18542 } 18543 resolver.addFilter(newFilter); 18544 scheduleWritePackageRestrictionsLocked(sourceUserId); 18545 } 18546 } 18547 18548 @Override 18549 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 18550 mContext.enforceCallingOrSelfPermission( 18551 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 18552 int callingUid = Binder.getCallingUid(); 18553 enforceOwnerRights(ownerPackage, callingUid); 18554 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 18555 synchronized (mPackages) { 18556 CrossProfileIntentResolver resolver = 18557 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 18558 ArraySet<CrossProfileIntentFilter> set = 18559 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 18560 for (CrossProfileIntentFilter filter : set) { 18561 if (filter.getOwnerPackage().equals(ownerPackage)) { 18562 resolver.removeFilter(filter); 18563 } 18564 } 18565 scheduleWritePackageRestrictionsLocked(sourceUserId); 18566 } 18567 } 18568 18569 // Enforcing that callingUid is owning pkg on userId 18570 private void enforceOwnerRights(String pkg, int callingUid) { 18571 // The system owns everything. 18572 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 18573 return; 18574 } 18575 int callingUserId = UserHandle.getUserId(callingUid); 18576 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 18577 if (pi == null) { 18578 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 18579 + callingUserId); 18580 } 18581 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 18582 throw new SecurityException("Calling uid " + callingUid 18583 + " does not own package " + pkg); 18584 } 18585 } 18586 18587 @Override 18588 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 18589 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 18590 } 18591 18592 private Intent getHomeIntent() { 18593 Intent intent = new Intent(Intent.ACTION_MAIN); 18594 intent.addCategory(Intent.CATEGORY_HOME); 18595 intent.addCategory(Intent.CATEGORY_DEFAULT); 18596 return intent; 18597 } 18598 18599 private IntentFilter getHomeFilter() { 18600 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 18601 filter.addCategory(Intent.CATEGORY_HOME); 18602 filter.addCategory(Intent.CATEGORY_DEFAULT); 18603 return filter; 18604 } 18605 18606 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 18607 int userId) { 18608 Intent intent = getHomeIntent(); 18609 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 18610 PackageManager.GET_META_DATA, userId); 18611 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 18612 true, false, false, userId); 18613 18614 allHomeCandidates.clear(); 18615 if (list != null) { 18616 for (ResolveInfo ri : list) { 18617 allHomeCandidates.add(ri); 18618 } 18619 } 18620 return (preferred == null || preferred.activityInfo == null) 18621 ? null 18622 : new ComponentName(preferred.activityInfo.packageName, 18623 preferred.activityInfo.name); 18624 } 18625 18626 @Override 18627 public void setHomeActivity(ComponentName comp, int userId) { 18628 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 18629 getHomeActivitiesAsUser(homeActivities, userId); 18630 18631 boolean found = false; 18632 18633 final int size = homeActivities.size(); 18634 final ComponentName[] set = new ComponentName[size]; 18635 for (int i = 0; i < size; i++) { 18636 final ResolveInfo candidate = homeActivities.get(i); 18637 final ActivityInfo info = candidate.activityInfo; 18638 final ComponentName activityName = new ComponentName(info.packageName, info.name); 18639 set[i] = activityName; 18640 if (!found && activityName.equals(comp)) { 18641 found = true; 18642 } 18643 } 18644 if (!found) { 18645 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 18646 + userId); 18647 } 18648 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 18649 set, comp, userId); 18650 } 18651 18652 private @Nullable String getSetupWizardPackageName() { 18653 final Intent intent = new Intent(Intent.ACTION_MAIN); 18654 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 18655 18656 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18657 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18658 | MATCH_DISABLED_COMPONENTS, 18659 UserHandle.myUserId()); 18660 if (matches.size() == 1) { 18661 return matches.get(0).getComponentInfo().packageName; 18662 } else { 18663 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 18664 + ": matches=" + matches); 18665 return null; 18666 } 18667 } 18668 18669 private @Nullable String getStorageManagerPackageName() { 18670 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 18671 18672 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 18673 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 18674 | MATCH_DISABLED_COMPONENTS, 18675 UserHandle.myUserId()); 18676 if (matches.size() == 1) { 18677 return matches.get(0).getComponentInfo().packageName; 18678 } else { 18679 Slog.e(TAG, "There should probably be exactly one storage manager; found " 18680 + matches.size() + ": matches=" + matches); 18681 return null; 18682 } 18683 } 18684 18685 @Override 18686 public void setApplicationEnabledSetting(String appPackageName, 18687 int newState, int flags, int userId, String callingPackage) { 18688 if (!sUserManager.exists(userId)) return; 18689 if (callingPackage == null) { 18690 callingPackage = Integer.toString(Binder.getCallingUid()); 18691 } 18692 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 18693 } 18694 18695 @Override 18696 public void setComponentEnabledSetting(ComponentName componentName, 18697 int newState, int flags, int userId) { 18698 if (!sUserManager.exists(userId)) return; 18699 setEnabledSetting(componentName.getPackageName(), 18700 componentName.getClassName(), newState, flags, userId, null); 18701 } 18702 18703 private void setEnabledSetting(final String packageName, String className, int newState, 18704 final int flags, int userId, String callingPackage) { 18705 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 18706 || newState == COMPONENT_ENABLED_STATE_ENABLED 18707 || newState == COMPONENT_ENABLED_STATE_DISABLED 18708 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18709 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 18710 throw new IllegalArgumentException("Invalid new component state: " 18711 + newState); 18712 } 18713 PackageSetting pkgSetting; 18714 final int uid = Binder.getCallingUid(); 18715 final int permission; 18716 if (uid == Process.SYSTEM_UID) { 18717 permission = PackageManager.PERMISSION_GRANTED; 18718 } else { 18719 permission = mContext.checkCallingOrSelfPermission( 18720 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18721 } 18722 enforceCrossUserPermission(uid, userId, 18723 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 18724 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18725 boolean sendNow = false; 18726 boolean isApp = (className == null); 18727 String componentName = isApp ? packageName : className; 18728 int packageUid = -1; 18729 ArrayList<String> components; 18730 18731 // writer 18732 synchronized (mPackages) { 18733 pkgSetting = mSettings.mPackages.get(packageName); 18734 if (pkgSetting == null) { 18735 if (className == null) { 18736 throw new IllegalArgumentException("Unknown package: " + packageName); 18737 } 18738 throw new IllegalArgumentException( 18739 "Unknown component: " + packageName + "/" + className); 18740 } 18741 } 18742 18743 // Limit who can change which apps 18744 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 18745 // Don't allow apps that don't have permission to modify other apps 18746 if (!allowedByPermission) { 18747 throw new SecurityException( 18748 "Permission Denial: attempt to change component state from pid=" 18749 + Binder.getCallingPid() 18750 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 18751 } 18752 // Don't allow changing protected packages. 18753 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 18754 throw new SecurityException("Cannot disable a protected package: " + packageName); 18755 } 18756 } 18757 18758 synchronized (mPackages) { 18759 if (uid == Process.SHELL_UID 18760 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 18761 // Shell can only change whole packages between ENABLED and DISABLED_USER states 18762 // unless it is a test package. 18763 int oldState = pkgSetting.getEnabled(userId); 18764 if (className == null 18765 && 18766 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 18767 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 18768 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 18769 && 18770 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 18771 || newState == COMPONENT_ENABLED_STATE_DEFAULT 18772 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 18773 // ok 18774 } else { 18775 throw new SecurityException( 18776 "Shell cannot change component state for " + packageName + "/" 18777 + className + " to " + newState); 18778 } 18779 } 18780 if (className == null) { 18781 // We're dealing with an application/package level state change 18782 if (pkgSetting.getEnabled(userId) == newState) { 18783 // Nothing to do 18784 return; 18785 } 18786 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 18787 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 18788 // Don't care about who enables an app. 18789 callingPackage = null; 18790 } 18791 pkgSetting.setEnabled(newState, userId, callingPackage); 18792 // pkgSetting.pkg.mSetEnabled = newState; 18793 } else { 18794 // We're dealing with a component level state change 18795 // First, verify that this is a valid class name. 18796 PackageParser.Package pkg = pkgSetting.pkg; 18797 if (pkg == null || !pkg.hasComponentClassName(className)) { 18798 if (pkg != null && 18799 pkg.applicationInfo.targetSdkVersion >= 18800 Build.VERSION_CODES.JELLY_BEAN) { 18801 throw new IllegalArgumentException("Component class " + className 18802 + " does not exist in " + packageName); 18803 } else { 18804 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 18805 + className + " does not exist in " + packageName); 18806 } 18807 } 18808 switch (newState) { 18809 case COMPONENT_ENABLED_STATE_ENABLED: 18810 if (!pkgSetting.enableComponentLPw(className, userId)) { 18811 return; 18812 } 18813 break; 18814 case COMPONENT_ENABLED_STATE_DISABLED: 18815 if (!pkgSetting.disableComponentLPw(className, userId)) { 18816 return; 18817 } 18818 break; 18819 case COMPONENT_ENABLED_STATE_DEFAULT: 18820 if (!pkgSetting.restoreComponentLPw(className, userId)) { 18821 return; 18822 } 18823 break; 18824 default: 18825 Slog.e(TAG, "Invalid new component state: " + newState); 18826 return; 18827 } 18828 } 18829 scheduleWritePackageRestrictionsLocked(userId); 18830 components = mPendingBroadcasts.get(userId, packageName); 18831 final boolean newPackage = components == null; 18832 if (newPackage) { 18833 components = new ArrayList<String>(); 18834 } 18835 if (!components.contains(componentName)) { 18836 components.add(componentName); 18837 } 18838 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 18839 sendNow = true; 18840 // Purge entry from pending broadcast list if another one exists already 18841 // since we are sending one right away. 18842 mPendingBroadcasts.remove(userId, packageName); 18843 } else { 18844 if (newPackage) { 18845 mPendingBroadcasts.put(userId, packageName, components); 18846 } 18847 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 18848 // Schedule a message 18849 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 18850 } 18851 } 18852 } 18853 18854 long callingId = Binder.clearCallingIdentity(); 18855 try { 18856 if (sendNow) { 18857 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 18858 sendPackageChangedBroadcast(packageName, 18859 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 18860 } 18861 } finally { 18862 Binder.restoreCallingIdentity(callingId); 18863 } 18864 } 18865 18866 @Override 18867 public void flushPackageRestrictionsAsUser(int userId) { 18868 if (!sUserManager.exists(userId)) { 18869 return; 18870 } 18871 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 18872 false /* checkShell */, "flushPackageRestrictions"); 18873 synchronized (mPackages) { 18874 mSettings.writePackageRestrictionsLPr(userId); 18875 mDirtyUsers.remove(userId); 18876 if (mDirtyUsers.isEmpty()) { 18877 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 18878 } 18879 } 18880 } 18881 18882 private void sendPackageChangedBroadcast(String packageName, 18883 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 18884 if (DEBUG_INSTALL) 18885 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 18886 + componentNames); 18887 Bundle extras = new Bundle(4); 18888 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 18889 String nameList[] = new String[componentNames.size()]; 18890 componentNames.toArray(nameList); 18891 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 18892 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 18893 extras.putInt(Intent.EXTRA_UID, packageUid); 18894 // If this is not reporting a change of the overall package, then only send it 18895 // to registered receivers. We don't want to launch a swath of apps for every 18896 // little component state change. 18897 final int flags = !componentNames.contains(packageName) 18898 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 18899 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 18900 new int[] {UserHandle.getUserId(packageUid)}); 18901 } 18902 18903 @Override 18904 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 18905 if (!sUserManager.exists(userId)) return; 18906 final int uid = Binder.getCallingUid(); 18907 final int permission = mContext.checkCallingOrSelfPermission( 18908 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 18909 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 18910 enforceCrossUserPermission(uid, userId, 18911 true /* requireFullPermission */, true /* checkShell */, "stop package"); 18912 // writer 18913 synchronized (mPackages) { 18914 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 18915 allowedByPermission, uid, userId)) { 18916 scheduleWritePackageRestrictionsLocked(userId); 18917 } 18918 } 18919 } 18920 18921 @Override 18922 public String getInstallerPackageName(String packageName) { 18923 // reader 18924 synchronized (mPackages) { 18925 return mSettings.getInstallerPackageNameLPr(packageName); 18926 } 18927 } 18928 18929 public boolean isOrphaned(String packageName) { 18930 // reader 18931 synchronized (mPackages) { 18932 return mSettings.isOrphaned(packageName); 18933 } 18934 } 18935 18936 @Override 18937 public int getApplicationEnabledSetting(String packageName, int userId) { 18938 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18939 int uid = Binder.getCallingUid(); 18940 enforceCrossUserPermission(uid, userId, 18941 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 18942 // reader 18943 synchronized (mPackages) { 18944 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 18945 } 18946 } 18947 18948 @Override 18949 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 18950 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 18951 int uid = Binder.getCallingUid(); 18952 enforceCrossUserPermission(uid, userId, 18953 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 18954 // reader 18955 synchronized (mPackages) { 18956 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 18957 } 18958 } 18959 18960 @Override 18961 public void enterSafeMode() { 18962 enforceSystemOrRoot("Only the system can request entering safe mode"); 18963 18964 if (!mSystemReady) { 18965 mSafeMode = true; 18966 } 18967 } 18968 18969 @Override 18970 public void systemReady() { 18971 mSystemReady = true; 18972 18973 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 18974 // disabled after already being started. 18975 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 18976 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 18977 18978 // Read the compatibilty setting when the system is ready. 18979 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 18980 mContext.getContentResolver(), 18981 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 18982 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 18983 if (DEBUG_SETTINGS) { 18984 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 18985 } 18986 18987 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 18988 18989 synchronized (mPackages) { 18990 // Verify that all of the preferred activity components actually 18991 // exist. It is possible for applications to be updated and at 18992 // that point remove a previously declared activity component that 18993 // had been set as a preferred activity. We try to clean this up 18994 // the next time we encounter that preferred activity, but it is 18995 // possible for the user flow to never be able to return to that 18996 // situation so here we do a sanity check to make sure we haven't 18997 // left any junk around. 18998 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18999 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19000 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19001 removed.clear(); 19002 for (PreferredActivity pa : pir.filterSet()) { 19003 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 19004 removed.add(pa); 19005 } 19006 } 19007 if (removed.size() > 0) { 19008 for (int r=0; r<removed.size(); r++) { 19009 PreferredActivity pa = removed.get(r); 19010 Slog.w(TAG, "Removing dangling preferred activity: " 19011 + pa.mPref.mComponent); 19012 pir.removeFilter(pa); 19013 } 19014 mSettings.writePackageRestrictionsLPr( 19015 mSettings.mPreferredActivities.keyAt(i)); 19016 } 19017 } 19018 19019 for (int userId : UserManagerService.getInstance().getUserIds()) { 19020 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 19021 grantPermissionsUserIds = ArrayUtils.appendInt( 19022 grantPermissionsUserIds, userId); 19023 } 19024 } 19025 } 19026 sUserManager.systemReady(); 19027 19028 // If we upgraded grant all default permissions before kicking off. 19029 for (int userId : grantPermissionsUserIds) { 19030 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 19031 } 19032 19033 // If we did not grant default permissions, we preload from this the 19034 // default permission exceptions lazily to ensure we don't hit the 19035 // disk on a new user creation. 19036 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 19037 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 19038 } 19039 19040 // Kick off any messages waiting for system ready 19041 if (mPostSystemReadyMessages != null) { 19042 for (Message msg : mPostSystemReadyMessages) { 19043 msg.sendToTarget(); 19044 } 19045 mPostSystemReadyMessages = null; 19046 } 19047 19048 // Watch for external volumes that come and go over time 19049 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19050 storage.registerListener(mStorageListener); 19051 19052 mInstallerService.systemReady(); 19053 mPackageDexOptimizer.systemReady(); 19054 19055 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 19056 StorageManagerInternal.class); 19057 StorageManagerInternal.addExternalStoragePolicy( 19058 new StorageManagerInternal.ExternalStorageMountPolicy() { 19059 @Override 19060 public int getMountMode(int uid, String packageName) { 19061 if (Process.isIsolated(uid)) { 19062 return Zygote.MOUNT_EXTERNAL_NONE; 19063 } 19064 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 19065 return Zygote.MOUNT_EXTERNAL_DEFAULT; 19066 } 19067 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 19068 return Zygote.MOUNT_EXTERNAL_DEFAULT; 19069 } 19070 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 19071 return Zygote.MOUNT_EXTERNAL_READ; 19072 } 19073 return Zygote.MOUNT_EXTERNAL_WRITE; 19074 } 19075 19076 @Override 19077 public boolean hasExternalStorage(int uid, String packageName) { 19078 return true; 19079 } 19080 }); 19081 19082 // Now that we're mostly running, clean up stale users and apps 19083 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 19084 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 19085 } 19086 19087 @Override 19088 public boolean isSafeMode() { 19089 return mSafeMode; 19090 } 19091 19092 @Override 19093 public boolean hasSystemUidErrors() { 19094 return mHasSystemUidErrors; 19095 } 19096 19097 static String arrayToString(int[] array) { 19098 StringBuffer buf = new StringBuffer(128); 19099 buf.append('['); 19100 if (array != null) { 19101 for (int i=0; i<array.length; i++) { 19102 if (i > 0) buf.append(", "); 19103 buf.append(array[i]); 19104 } 19105 } 19106 buf.append(']'); 19107 return buf.toString(); 19108 } 19109 19110 static class DumpState { 19111 public static final int DUMP_LIBS = 1 << 0; 19112 public static final int DUMP_FEATURES = 1 << 1; 19113 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 19114 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 19115 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 19116 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 19117 public static final int DUMP_PERMISSIONS = 1 << 6; 19118 public static final int DUMP_PACKAGES = 1 << 7; 19119 public static final int DUMP_SHARED_USERS = 1 << 8; 19120 public static final int DUMP_MESSAGES = 1 << 9; 19121 public static final int DUMP_PROVIDERS = 1 << 10; 19122 public static final int DUMP_VERIFIERS = 1 << 11; 19123 public static final int DUMP_PREFERRED = 1 << 12; 19124 public static final int DUMP_PREFERRED_XML = 1 << 13; 19125 public static final int DUMP_KEYSETS = 1 << 14; 19126 public static final int DUMP_VERSION = 1 << 15; 19127 public static final int DUMP_INSTALLS = 1 << 16; 19128 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 19129 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 19130 public static final int DUMP_FROZEN = 1 << 19; 19131 public static final int DUMP_DEXOPT = 1 << 20; 19132 public static final int DUMP_COMPILER_STATS = 1 << 21; 19133 19134 public static final int OPTION_SHOW_FILTERS = 1 << 0; 19135 19136 private int mTypes; 19137 19138 private int mOptions; 19139 19140 private boolean mTitlePrinted; 19141 19142 private SharedUserSetting mSharedUser; 19143 19144 public boolean isDumping(int type) { 19145 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 19146 return true; 19147 } 19148 19149 return (mTypes & type) != 0; 19150 } 19151 19152 public void setDump(int type) { 19153 mTypes |= type; 19154 } 19155 19156 public boolean isOptionEnabled(int option) { 19157 return (mOptions & option) != 0; 19158 } 19159 19160 public void setOptionEnabled(int option) { 19161 mOptions |= option; 19162 } 19163 19164 public boolean onTitlePrinted() { 19165 final boolean printed = mTitlePrinted; 19166 mTitlePrinted = true; 19167 return printed; 19168 } 19169 19170 public boolean getTitlePrinted() { 19171 return mTitlePrinted; 19172 } 19173 19174 public void setTitlePrinted(boolean enabled) { 19175 mTitlePrinted = enabled; 19176 } 19177 19178 public SharedUserSetting getSharedUser() { 19179 return mSharedUser; 19180 } 19181 19182 public void setSharedUser(SharedUserSetting user) { 19183 mSharedUser = user; 19184 } 19185 } 19186 19187 @Override 19188 public void onShellCommand(FileDescriptor in, FileDescriptor out, 19189 FileDescriptor err, String[] args, ShellCallback callback, 19190 ResultReceiver resultReceiver) { 19191 (new PackageManagerShellCommand(this)).exec( 19192 this, in, out, err, args, callback, resultReceiver); 19193 } 19194 19195 @Override 19196 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 19197 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 19198 != PackageManager.PERMISSION_GRANTED) { 19199 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 19200 + Binder.getCallingPid() 19201 + ", uid=" + Binder.getCallingUid() 19202 + " without permission " 19203 + android.Manifest.permission.DUMP); 19204 return; 19205 } 19206 19207 DumpState dumpState = new DumpState(); 19208 boolean fullPreferred = false; 19209 boolean checkin = false; 19210 19211 String packageName = null; 19212 ArraySet<String> permissionNames = null; 19213 19214 int opti = 0; 19215 while (opti < args.length) { 19216 String opt = args[opti]; 19217 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 19218 break; 19219 } 19220 opti++; 19221 19222 if ("-a".equals(opt)) { 19223 // Right now we only know how to print all. 19224 } else if ("-h".equals(opt)) { 19225 pw.println("Package manager dump options:"); 19226 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 19227 pw.println(" --checkin: dump for a checkin"); 19228 pw.println(" -f: print details of intent filters"); 19229 pw.println(" -h: print this help"); 19230 pw.println(" cmd may be one of:"); 19231 pw.println(" l[ibraries]: list known shared libraries"); 19232 pw.println(" f[eatures]: list device features"); 19233 pw.println(" k[eysets]: print known keysets"); 19234 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 19235 pw.println(" perm[issions]: dump permissions"); 19236 pw.println(" permission [name ...]: dump declaration and use of given permission"); 19237 pw.println(" pref[erred]: print preferred package settings"); 19238 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 19239 pw.println(" prov[iders]: dump content providers"); 19240 pw.println(" p[ackages]: dump installed packages"); 19241 pw.println(" s[hared-users]: dump shared user IDs"); 19242 pw.println(" m[essages]: print collected runtime messages"); 19243 pw.println(" v[erifiers]: print package verifier info"); 19244 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 19245 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 19246 pw.println(" version: print database version info"); 19247 pw.println(" write: write current settings now"); 19248 pw.println(" installs: details about install sessions"); 19249 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 19250 pw.println(" dexopt: dump dexopt state"); 19251 pw.println(" compiler-stats: dump compiler statistics"); 19252 pw.println(" <package.name>: info about given package"); 19253 return; 19254 } else if ("--checkin".equals(opt)) { 19255 checkin = true; 19256 } else if ("-f".equals(opt)) { 19257 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 19258 } else { 19259 pw.println("Unknown argument: " + opt + "; use -h for help"); 19260 } 19261 } 19262 19263 // Is the caller requesting to dump a particular piece of data? 19264 if (opti < args.length) { 19265 String cmd = args[opti]; 19266 opti++; 19267 // Is this a package name? 19268 if ("android".equals(cmd) || cmd.contains(".")) { 19269 packageName = cmd; 19270 // When dumping a single package, we always dump all of its 19271 // filter information since the amount of data will be reasonable. 19272 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 19273 } else if ("check-permission".equals(cmd)) { 19274 if (opti >= args.length) { 19275 pw.println("Error: check-permission missing permission argument"); 19276 return; 19277 } 19278 String perm = args[opti]; 19279 opti++; 19280 if (opti >= args.length) { 19281 pw.println("Error: check-permission missing package argument"); 19282 return; 19283 } 19284 String pkg = args[opti]; 19285 opti++; 19286 int user = UserHandle.getUserId(Binder.getCallingUid()); 19287 if (opti < args.length) { 19288 try { 19289 user = Integer.parseInt(args[opti]); 19290 } catch (NumberFormatException e) { 19291 pw.println("Error: check-permission user argument is not a number: " 19292 + args[opti]); 19293 return; 19294 } 19295 } 19296 pw.println(checkPermission(perm, pkg, user)); 19297 return; 19298 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 19299 dumpState.setDump(DumpState.DUMP_LIBS); 19300 } else if ("f".equals(cmd) || "features".equals(cmd)) { 19301 dumpState.setDump(DumpState.DUMP_FEATURES); 19302 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 19303 if (opti >= args.length) { 19304 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 19305 | DumpState.DUMP_SERVICE_RESOLVERS 19306 | DumpState.DUMP_RECEIVER_RESOLVERS 19307 | DumpState.DUMP_CONTENT_RESOLVERS); 19308 } else { 19309 while (opti < args.length) { 19310 String name = args[opti]; 19311 if ("a".equals(name) || "activity".equals(name)) { 19312 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 19313 } else if ("s".equals(name) || "service".equals(name)) { 19314 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 19315 } else if ("r".equals(name) || "receiver".equals(name)) { 19316 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 19317 } else if ("c".equals(name) || "content".equals(name)) { 19318 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 19319 } else { 19320 pw.println("Error: unknown resolver table type: " + name); 19321 return; 19322 } 19323 opti++; 19324 } 19325 } 19326 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 19327 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 19328 } else if ("permission".equals(cmd)) { 19329 if (opti >= args.length) { 19330 pw.println("Error: permission requires permission name"); 19331 return; 19332 } 19333 permissionNames = new ArraySet<>(); 19334 while (opti < args.length) { 19335 permissionNames.add(args[opti]); 19336 opti++; 19337 } 19338 dumpState.setDump(DumpState.DUMP_PERMISSIONS 19339 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 19340 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 19341 dumpState.setDump(DumpState.DUMP_PREFERRED); 19342 } else if ("preferred-xml".equals(cmd)) { 19343 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 19344 if (opti < args.length && "--full".equals(args[opti])) { 19345 fullPreferred = true; 19346 opti++; 19347 } 19348 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 19349 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 19350 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 19351 dumpState.setDump(DumpState.DUMP_PACKAGES); 19352 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 19353 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 19354 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 19355 dumpState.setDump(DumpState.DUMP_PROVIDERS); 19356 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 19357 dumpState.setDump(DumpState.DUMP_MESSAGES); 19358 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 19359 dumpState.setDump(DumpState.DUMP_VERIFIERS); 19360 } else if ("i".equals(cmd) || "ifv".equals(cmd) 19361 || "intent-filter-verifiers".equals(cmd)) { 19362 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 19363 } else if ("version".equals(cmd)) { 19364 dumpState.setDump(DumpState.DUMP_VERSION); 19365 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 19366 dumpState.setDump(DumpState.DUMP_KEYSETS); 19367 } else if ("installs".equals(cmd)) { 19368 dumpState.setDump(DumpState.DUMP_INSTALLS); 19369 } else if ("frozen".equals(cmd)) { 19370 dumpState.setDump(DumpState.DUMP_FROZEN); 19371 } else if ("dexopt".equals(cmd)) { 19372 dumpState.setDump(DumpState.DUMP_DEXOPT); 19373 } else if ("compiler-stats".equals(cmd)) { 19374 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 19375 } else if ("write".equals(cmd)) { 19376 synchronized (mPackages) { 19377 mSettings.writeLPr(); 19378 pw.println("Settings written."); 19379 return; 19380 } 19381 } 19382 } 19383 19384 if (checkin) { 19385 pw.println("vers,1"); 19386 } 19387 19388 // reader 19389 synchronized (mPackages) { 19390 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 19391 if (!checkin) { 19392 if (dumpState.onTitlePrinted()) 19393 pw.println(); 19394 pw.println("Database versions:"); 19395 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 19396 } 19397 } 19398 19399 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 19400 if (!checkin) { 19401 if (dumpState.onTitlePrinted()) 19402 pw.println(); 19403 pw.println("Verifiers:"); 19404 pw.print(" Required: "); 19405 pw.print(mRequiredVerifierPackage); 19406 pw.print(" (uid="); 19407 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 19408 UserHandle.USER_SYSTEM)); 19409 pw.println(")"); 19410 } else if (mRequiredVerifierPackage != null) { 19411 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 19412 pw.print(","); 19413 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 19414 UserHandle.USER_SYSTEM)); 19415 } 19416 } 19417 19418 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 19419 packageName == null) { 19420 if (mIntentFilterVerifierComponent != null) { 19421 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 19422 if (!checkin) { 19423 if (dumpState.onTitlePrinted()) 19424 pw.println(); 19425 pw.println("Intent Filter Verifier:"); 19426 pw.print(" Using: "); 19427 pw.print(verifierPackageName); 19428 pw.print(" (uid="); 19429 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 19430 UserHandle.USER_SYSTEM)); 19431 pw.println(")"); 19432 } else if (verifierPackageName != null) { 19433 pw.print("ifv,"); pw.print(verifierPackageName); 19434 pw.print(","); 19435 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 19436 UserHandle.USER_SYSTEM)); 19437 } 19438 } else { 19439 pw.println(); 19440 pw.println("No Intent Filter Verifier available!"); 19441 } 19442 } 19443 19444 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 19445 boolean printedHeader = false; 19446 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 19447 while (it.hasNext()) { 19448 String name = it.next(); 19449 SharedLibraryEntry ent = mSharedLibraries.get(name); 19450 if (!checkin) { 19451 if (!printedHeader) { 19452 if (dumpState.onTitlePrinted()) 19453 pw.println(); 19454 pw.println("Libraries:"); 19455 printedHeader = true; 19456 } 19457 pw.print(" "); 19458 } else { 19459 pw.print("lib,"); 19460 } 19461 pw.print(name); 19462 if (!checkin) { 19463 pw.print(" -> "); 19464 } 19465 if (ent.path != null) { 19466 if (!checkin) { 19467 pw.print("(jar) "); 19468 pw.print(ent.path); 19469 } else { 19470 pw.print(",jar,"); 19471 pw.print(ent.path); 19472 } 19473 } else { 19474 if (!checkin) { 19475 pw.print("(apk) "); 19476 pw.print(ent.apk); 19477 } else { 19478 pw.print(",apk,"); 19479 pw.print(ent.apk); 19480 } 19481 } 19482 pw.println(); 19483 } 19484 } 19485 19486 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 19487 if (dumpState.onTitlePrinted()) 19488 pw.println(); 19489 if (!checkin) { 19490 pw.println("Features:"); 19491 } 19492 19493 for (FeatureInfo feat : mAvailableFeatures.values()) { 19494 if (checkin) { 19495 pw.print("feat,"); 19496 pw.print(feat.name); 19497 pw.print(","); 19498 pw.println(feat.version); 19499 } else { 19500 pw.print(" "); 19501 pw.print(feat.name); 19502 if (feat.version > 0) { 19503 pw.print(" version="); 19504 pw.print(feat.version); 19505 } 19506 pw.println(); 19507 } 19508 } 19509 } 19510 19511 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 19512 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 19513 : "Activity Resolver Table:", " ", packageName, 19514 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19515 dumpState.setTitlePrinted(true); 19516 } 19517 } 19518 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 19519 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 19520 : "Receiver Resolver Table:", " ", packageName, 19521 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19522 dumpState.setTitlePrinted(true); 19523 } 19524 } 19525 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 19526 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 19527 : "Service Resolver Table:", " ", packageName, 19528 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19529 dumpState.setTitlePrinted(true); 19530 } 19531 } 19532 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 19533 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 19534 : "Provider Resolver Table:", " ", packageName, 19535 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 19536 dumpState.setTitlePrinted(true); 19537 } 19538 } 19539 19540 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 19541 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19542 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19543 int user = mSettings.mPreferredActivities.keyAt(i); 19544 if (pir.dump(pw, 19545 dumpState.getTitlePrinted() 19546 ? "\nPreferred Activities User " + user + ":" 19547 : "Preferred Activities User " + user + ":", " ", 19548 packageName, true, false)) { 19549 dumpState.setTitlePrinted(true); 19550 } 19551 } 19552 } 19553 19554 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 19555 pw.flush(); 19556 FileOutputStream fout = new FileOutputStream(fd); 19557 BufferedOutputStream str = new BufferedOutputStream(fout); 19558 XmlSerializer serializer = new FastXmlSerializer(); 19559 try { 19560 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 19561 serializer.startDocument(null, true); 19562 serializer.setFeature( 19563 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 19564 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 19565 serializer.endDocument(); 19566 serializer.flush(); 19567 } catch (IllegalArgumentException e) { 19568 pw.println("Failed writing: " + e); 19569 } catch (IllegalStateException e) { 19570 pw.println("Failed writing: " + e); 19571 } catch (IOException e) { 19572 pw.println("Failed writing: " + e); 19573 } 19574 } 19575 19576 if (!checkin 19577 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 19578 && packageName == null) { 19579 pw.println(); 19580 int count = mSettings.mPackages.size(); 19581 if (count == 0) { 19582 pw.println("No applications!"); 19583 pw.println(); 19584 } else { 19585 final String prefix = " "; 19586 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 19587 if (allPackageSettings.size() == 0) { 19588 pw.println("No domain preferred apps!"); 19589 pw.println(); 19590 } else { 19591 pw.println("App verification status:"); 19592 pw.println(); 19593 count = 0; 19594 for (PackageSetting ps : allPackageSettings) { 19595 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 19596 if (ivi == null || ivi.getPackageName() == null) continue; 19597 pw.println(prefix + "Package: " + ivi.getPackageName()); 19598 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 19599 pw.println(prefix + "Status: " + ivi.getStatusString()); 19600 pw.println(); 19601 count++; 19602 } 19603 if (count == 0) { 19604 pw.println(prefix + "No app verification established."); 19605 pw.println(); 19606 } 19607 for (int userId : sUserManager.getUserIds()) { 19608 pw.println("App linkages for user " + userId + ":"); 19609 pw.println(); 19610 count = 0; 19611 for (PackageSetting ps : allPackageSettings) { 19612 final long status = ps.getDomainVerificationStatusForUser(userId); 19613 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 19614 continue; 19615 } 19616 pw.println(prefix + "Package: " + ps.name); 19617 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 19618 String statusStr = IntentFilterVerificationInfo. 19619 getStatusStringFromValue(status); 19620 pw.println(prefix + "Status: " + statusStr); 19621 pw.println(); 19622 count++; 19623 } 19624 if (count == 0) { 19625 pw.println(prefix + "No configured app linkages."); 19626 pw.println(); 19627 } 19628 } 19629 } 19630 } 19631 } 19632 19633 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 19634 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 19635 if (packageName == null && permissionNames == null) { 19636 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 19637 if (iperm == 0) { 19638 if (dumpState.onTitlePrinted()) 19639 pw.println(); 19640 pw.println("AppOp Permissions:"); 19641 } 19642 pw.print(" AppOp Permission "); 19643 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 19644 pw.println(":"); 19645 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 19646 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 19647 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 19648 } 19649 } 19650 } 19651 } 19652 19653 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 19654 boolean printedSomething = false; 19655 for (PackageParser.Provider p : mProviders.mProviders.values()) { 19656 if (packageName != null && !packageName.equals(p.info.packageName)) { 19657 continue; 19658 } 19659 if (!printedSomething) { 19660 if (dumpState.onTitlePrinted()) 19661 pw.println(); 19662 pw.println("Registered ContentProviders:"); 19663 printedSomething = true; 19664 } 19665 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 19666 pw.print(" "); pw.println(p.toString()); 19667 } 19668 printedSomething = false; 19669 for (Map.Entry<String, PackageParser.Provider> entry : 19670 mProvidersByAuthority.entrySet()) { 19671 PackageParser.Provider p = entry.getValue(); 19672 if (packageName != null && !packageName.equals(p.info.packageName)) { 19673 continue; 19674 } 19675 if (!printedSomething) { 19676 if (dumpState.onTitlePrinted()) 19677 pw.println(); 19678 pw.println("ContentProvider Authorities:"); 19679 printedSomething = true; 19680 } 19681 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 19682 pw.print(" "); pw.println(p.toString()); 19683 if (p.info != null && p.info.applicationInfo != null) { 19684 final String appInfo = p.info.applicationInfo.toString(); 19685 pw.print(" applicationInfo="); pw.println(appInfo); 19686 } 19687 } 19688 } 19689 19690 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 19691 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 19692 } 19693 19694 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 19695 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 19696 } 19697 19698 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 19699 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 19700 } 19701 19702 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 19703 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 19704 } 19705 19706 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 19707 // XXX should handle packageName != null by dumping only install data that 19708 // the given package is involved with. 19709 if (dumpState.onTitlePrinted()) pw.println(); 19710 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 19711 } 19712 19713 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 19714 // XXX should handle packageName != null by dumping only install data that 19715 // the given package is involved with. 19716 if (dumpState.onTitlePrinted()) pw.println(); 19717 19718 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19719 ipw.println(); 19720 ipw.println("Frozen packages:"); 19721 ipw.increaseIndent(); 19722 if (mFrozenPackages.size() == 0) { 19723 ipw.println("(none)"); 19724 } else { 19725 for (int i = 0; i < mFrozenPackages.size(); i++) { 19726 ipw.println(mFrozenPackages.valueAt(i)); 19727 } 19728 } 19729 ipw.decreaseIndent(); 19730 } 19731 19732 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 19733 if (dumpState.onTitlePrinted()) pw.println(); 19734 dumpDexoptStateLPr(pw, packageName); 19735 } 19736 19737 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 19738 if (dumpState.onTitlePrinted()) pw.println(); 19739 dumpCompilerStatsLPr(pw, packageName); 19740 } 19741 19742 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 19743 if (dumpState.onTitlePrinted()) pw.println(); 19744 mSettings.dumpReadMessagesLPr(pw, dumpState); 19745 19746 pw.println(); 19747 pw.println("Package warning messages:"); 19748 BufferedReader in = null; 19749 String line = null; 19750 try { 19751 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19752 while ((line = in.readLine()) != null) { 19753 if (line.contains("ignored: updated version")) continue; 19754 pw.println(line); 19755 } 19756 } catch (IOException ignored) { 19757 } finally { 19758 IoUtils.closeQuietly(in); 19759 } 19760 } 19761 19762 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 19763 BufferedReader in = null; 19764 String line = null; 19765 try { 19766 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 19767 while ((line = in.readLine()) != null) { 19768 if (line.contains("ignored: updated version")) continue; 19769 pw.print("msg,"); 19770 pw.println(line); 19771 } 19772 } catch (IOException ignored) { 19773 } finally { 19774 IoUtils.closeQuietly(in); 19775 } 19776 } 19777 } 19778 } 19779 19780 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 19781 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19782 ipw.println(); 19783 ipw.println("Dexopt state:"); 19784 ipw.increaseIndent(); 19785 Collection<PackageParser.Package> packages = null; 19786 if (packageName != null) { 19787 PackageParser.Package targetPackage = mPackages.get(packageName); 19788 if (targetPackage != null) { 19789 packages = Collections.singletonList(targetPackage); 19790 } else { 19791 ipw.println("Unable to find package: " + packageName); 19792 return; 19793 } 19794 } else { 19795 packages = mPackages.values(); 19796 } 19797 19798 for (PackageParser.Package pkg : packages) { 19799 ipw.println("[" + pkg.packageName + "]"); 19800 ipw.increaseIndent(); 19801 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 19802 ipw.decreaseIndent(); 19803 } 19804 } 19805 19806 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 19807 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 19808 ipw.println(); 19809 ipw.println("Compiler stats:"); 19810 ipw.increaseIndent(); 19811 Collection<PackageParser.Package> packages = null; 19812 if (packageName != null) { 19813 PackageParser.Package targetPackage = mPackages.get(packageName); 19814 if (targetPackage != null) { 19815 packages = Collections.singletonList(targetPackage); 19816 } else { 19817 ipw.println("Unable to find package: " + packageName); 19818 return; 19819 } 19820 } else { 19821 packages = mPackages.values(); 19822 } 19823 19824 for (PackageParser.Package pkg : packages) { 19825 ipw.println("[" + pkg.packageName + "]"); 19826 ipw.increaseIndent(); 19827 19828 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 19829 if (stats == null) { 19830 ipw.println("(No recorded stats)"); 19831 } else { 19832 stats.dump(ipw); 19833 } 19834 ipw.decreaseIndent(); 19835 } 19836 } 19837 19838 private String dumpDomainString(String packageName) { 19839 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 19840 .getList(); 19841 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 19842 19843 ArraySet<String> result = new ArraySet<>(); 19844 if (iviList.size() > 0) { 19845 for (IntentFilterVerificationInfo ivi : iviList) { 19846 for (String host : ivi.getDomains()) { 19847 result.add(host); 19848 } 19849 } 19850 } 19851 if (filters != null && filters.size() > 0) { 19852 for (IntentFilter filter : filters) { 19853 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 19854 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 19855 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 19856 result.addAll(filter.getHostsList()); 19857 } 19858 } 19859 } 19860 19861 StringBuilder sb = new StringBuilder(result.size() * 16); 19862 for (String domain : result) { 19863 if (sb.length() > 0) sb.append(" "); 19864 sb.append(domain); 19865 } 19866 return sb.toString(); 19867 } 19868 19869 // ------- apps on sdcard specific code ------- 19870 static final boolean DEBUG_SD_INSTALL = false; 19871 19872 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 19873 19874 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 19875 19876 private boolean mMediaMounted = false; 19877 19878 static String getEncryptKey() { 19879 try { 19880 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 19881 SD_ENCRYPTION_KEYSTORE_NAME); 19882 if (sdEncKey == null) { 19883 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 19884 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 19885 if (sdEncKey == null) { 19886 Slog.e(TAG, "Failed to create encryption keys"); 19887 return null; 19888 } 19889 } 19890 return sdEncKey; 19891 } catch (NoSuchAlgorithmException nsae) { 19892 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 19893 return null; 19894 } catch (IOException ioe) { 19895 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 19896 return null; 19897 } 19898 } 19899 19900 /* 19901 * Update media status on PackageManager. 19902 */ 19903 @Override 19904 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 19905 int callingUid = Binder.getCallingUid(); 19906 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 19907 throw new SecurityException("Media status can only be updated by the system"); 19908 } 19909 // reader; this apparently protects mMediaMounted, but should probably 19910 // be a different lock in that case. 19911 synchronized (mPackages) { 19912 Log.i(TAG, "Updating external media status from " 19913 + (mMediaMounted ? "mounted" : "unmounted") + " to " 19914 + (mediaStatus ? "mounted" : "unmounted")); 19915 if (DEBUG_SD_INSTALL) 19916 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 19917 + ", mMediaMounted=" + mMediaMounted); 19918 if (mediaStatus == mMediaMounted) { 19919 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 19920 : 0, -1); 19921 mHandler.sendMessage(msg); 19922 return; 19923 } 19924 mMediaMounted = mediaStatus; 19925 } 19926 // Queue up an async operation since the package installation may take a 19927 // little while. 19928 mHandler.post(new Runnable() { 19929 public void run() { 19930 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 19931 } 19932 }); 19933 } 19934 19935 /** 19936 * Called by StorageManagerService when the initial ASECs to scan are available. 19937 * Should block until all the ASEC containers are finished being scanned. 19938 */ 19939 public void scanAvailableAsecs() { 19940 updateExternalMediaStatusInner(true, false, false); 19941 } 19942 19943 /* 19944 * Collect information of applications on external media, map them against 19945 * existing containers and update information based on current mount status. 19946 * Please note that we always have to report status if reportStatus has been 19947 * set to true especially when unloading packages. 19948 */ 19949 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 19950 boolean externalStorage) { 19951 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 19952 int[] uidArr = EmptyArray.INT; 19953 19954 final String[] list = PackageHelper.getSecureContainerList(); 19955 if (ArrayUtils.isEmpty(list)) { 19956 Log.i(TAG, "No secure containers found"); 19957 } else { 19958 // Process list of secure containers and categorize them 19959 // as active or stale based on their package internal state. 19960 19961 // reader 19962 synchronized (mPackages) { 19963 for (String cid : list) { 19964 // Leave stages untouched for now; installer service owns them 19965 if (PackageInstallerService.isStageName(cid)) continue; 19966 19967 if (DEBUG_SD_INSTALL) 19968 Log.i(TAG, "Processing container " + cid); 19969 String pkgName = getAsecPackageName(cid); 19970 if (pkgName == null) { 19971 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 19972 continue; 19973 } 19974 if (DEBUG_SD_INSTALL) 19975 Log.i(TAG, "Looking for pkg : " + pkgName); 19976 19977 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19978 if (ps == null) { 19979 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 19980 continue; 19981 } 19982 19983 /* 19984 * Skip packages that are not external if we're unmounting 19985 * external storage. 19986 */ 19987 if (externalStorage && !isMounted && !isExternal(ps)) { 19988 continue; 19989 } 19990 19991 final AsecInstallArgs args = new AsecInstallArgs(cid, 19992 getAppDexInstructionSets(ps), ps.isForwardLocked()); 19993 // The package status is changed only if the code path 19994 // matches between settings and the container id. 19995 if (ps.codePathString != null 19996 && ps.codePathString.startsWith(args.getCodePath())) { 19997 if (DEBUG_SD_INSTALL) { 19998 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 19999 + " at code path: " + ps.codePathString); 20000 } 20001 20002 // We do have a valid package installed on sdcard 20003 processCids.put(args, ps.codePathString); 20004 final int uid = ps.appId; 20005 if (uid != -1) { 20006 uidArr = ArrayUtils.appendInt(uidArr, uid); 20007 } 20008 } else { 20009 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 20010 + ps.codePathString); 20011 } 20012 } 20013 } 20014 20015 Arrays.sort(uidArr); 20016 } 20017 20018 // Process packages with valid entries. 20019 if (isMounted) { 20020 if (DEBUG_SD_INSTALL) 20021 Log.i(TAG, "Loading packages"); 20022 loadMediaPackages(processCids, uidArr, externalStorage); 20023 startCleaningPackages(); 20024 mInstallerService.onSecureContainersAvailable(); 20025 } else { 20026 if (DEBUG_SD_INSTALL) 20027 Log.i(TAG, "Unloading packages"); 20028 unloadMediaPackages(processCids, uidArr, reportStatus); 20029 } 20030 } 20031 20032 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20033 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 20034 final int size = infos.size(); 20035 final String[] packageNames = new String[size]; 20036 final int[] packageUids = new int[size]; 20037 for (int i = 0; i < size; i++) { 20038 final ApplicationInfo info = infos.get(i); 20039 packageNames[i] = info.packageName; 20040 packageUids[i] = info.uid; 20041 } 20042 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 20043 finishedReceiver); 20044 } 20045 20046 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20047 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 20048 sendResourcesChangedBroadcast(mediaStatus, replacing, 20049 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 20050 } 20051 20052 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20053 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 20054 int size = pkgList.length; 20055 if (size > 0) { 20056 // Send broadcasts here 20057 Bundle extras = new Bundle(); 20058 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 20059 if (uidArr != null) { 20060 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 20061 } 20062 if (replacing) { 20063 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 20064 } 20065 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 20066 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 20067 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 20068 } 20069 } 20070 20071 /* 20072 * Look at potentially valid container ids from processCids If package 20073 * information doesn't match the one on record or package scanning fails, 20074 * the cid is added to list of removeCids. We currently don't delete stale 20075 * containers. 20076 */ 20077 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 20078 boolean externalStorage) { 20079 ArrayList<String> pkgList = new ArrayList<String>(); 20080 Set<AsecInstallArgs> keys = processCids.keySet(); 20081 20082 for (AsecInstallArgs args : keys) { 20083 String codePath = processCids.get(args); 20084 if (DEBUG_SD_INSTALL) 20085 Log.i(TAG, "Loading container : " + args.cid); 20086 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 20087 try { 20088 // Make sure there are no container errors first. 20089 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 20090 Slog.e(TAG, "Failed to mount cid : " + args.cid 20091 + " when installing from sdcard"); 20092 continue; 20093 } 20094 // Check code path here. 20095 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 20096 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 20097 + " does not match one in settings " + codePath); 20098 continue; 20099 } 20100 // Parse package 20101 int parseFlags = mDefParseFlags; 20102 if (args.isExternalAsec()) { 20103 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 20104 } 20105 if (args.isFwdLocked()) { 20106 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 20107 } 20108 20109 synchronized (mInstallLock) { 20110 PackageParser.Package pkg = null; 20111 try { 20112 // Sadly we don't know the package name yet to freeze it 20113 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 20114 SCAN_IGNORE_FROZEN, 0, null); 20115 } catch (PackageManagerException e) { 20116 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 20117 } 20118 // Scan the package 20119 if (pkg != null) { 20120 /* 20121 * TODO why is the lock being held? doPostInstall is 20122 * called in other places without the lock. This needs 20123 * to be straightened out. 20124 */ 20125 // writer 20126 synchronized (mPackages) { 20127 retCode = PackageManager.INSTALL_SUCCEEDED; 20128 pkgList.add(pkg.packageName); 20129 // Post process args 20130 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 20131 pkg.applicationInfo.uid); 20132 } 20133 } else { 20134 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 20135 } 20136 } 20137 20138 } finally { 20139 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 20140 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 20141 } 20142 } 20143 } 20144 // writer 20145 synchronized (mPackages) { 20146 // If the platform SDK has changed since the last time we booted, 20147 // we need to re-grant app permission to catch any new ones that 20148 // appear. This is really a hack, and means that apps can in some 20149 // cases get permissions that the user didn't initially explicitly 20150 // allow... it would be nice to have some better way to handle 20151 // this situation. 20152 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 20153 : mSettings.getInternalVersion(); 20154 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 20155 : StorageManager.UUID_PRIVATE_INTERNAL; 20156 20157 int updateFlags = UPDATE_PERMISSIONS_ALL; 20158 if (ver.sdkVersion != mSdkVersion) { 20159 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 20160 + mSdkVersion + "; regranting permissions for external"); 20161 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 20162 } 20163 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 20164 20165 // Yay, everything is now upgraded 20166 ver.forceCurrent(); 20167 20168 // can downgrade to reader 20169 // Persist settings 20170 mSettings.writeLPr(); 20171 } 20172 // Send a broadcast to let everyone know we are done processing 20173 if (pkgList.size() > 0) { 20174 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 20175 } 20176 } 20177 20178 /* 20179 * Utility method to unload a list of specified containers 20180 */ 20181 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 20182 // Just unmount all valid containers. 20183 for (AsecInstallArgs arg : cidArgs) { 20184 synchronized (mInstallLock) { 20185 arg.doPostDeleteLI(false); 20186 } 20187 } 20188 } 20189 20190 /* 20191 * Unload packages mounted on external media. This involves deleting package 20192 * data from internal structures, sending broadcasts about disabled packages, 20193 * gc'ing to free up references, unmounting all secure containers 20194 * corresponding to packages on external media, and posting a 20195 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 20196 * that we always have to post this message if status has been requested no 20197 * matter what. 20198 */ 20199 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 20200 final boolean reportStatus) { 20201 if (DEBUG_SD_INSTALL) 20202 Log.i(TAG, "unloading media packages"); 20203 ArrayList<String> pkgList = new ArrayList<String>(); 20204 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 20205 final Set<AsecInstallArgs> keys = processCids.keySet(); 20206 for (AsecInstallArgs args : keys) { 20207 String pkgName = args.getPackageName(); 20208 if (DEBUG_SD_INSTALL) 20209 Log.i(TAG, "Trying to unload pkg : " + pkgName); 20210 // Delete package internally 20211 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 20212 synchronized (mInstallLock) { 20213 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 20214 final boolean res; 20215 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 20216 "unloadMediaPackages")) { 20217 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 20218 null); 20219 } 20220 if (res) { 20221 pkgList.add(pkgName); 20222 } else { 20223 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 20224 failedList.add(args); 20225 } 20226 } 20227 } 20228 20229 // reader 20230 synchronized (mPackages) { 20231 // We didn't update the settings after removing each package; 20232 // write them now for all packages. 20233 mSettings.writeLPr(); 20234 } 20235 20236 // We have to absolutely send UPDATED_MEDIA_STATUS only 20237 // after confirming that all the receivers processed the ordered 20238 // broadcast when packages get disabled, force a gc to clean things up. 20239 // and unload all the containers. 20240 if (pkgList.size() > 0) { 20241 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 20242 new IIntentReceiver.Stub() { 20243 public void performReceive(Intent intent, int resultCode, String data, 20244 Bundle extras, boolean ordered, boolean sticky, 20245 int sendingUser) throws RemoteException { 20246 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 20247 reportStatus ? 1 : 0, 1, keys); 20248 mHandler.sendMessage(msg); 20249 } 20250 }); 20251 } else { 20252 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 20253 keys); 20254 mHandler.sendMessage(msg); 20255 } 20256 } 20257 20258 private void loadPrivatePackages(final VolumeInfo vol) { 20259 mHandler.post(new Runnable() { 20260 @Override 20261 public void run() { 20262 loadPrivatePackagesInner(vol); 20263 } 20264 }); 20265 } 20266 20267 private void loadPrivatePackagesInner(VolumeInfo vol) { 20268 final String volumeUuid = vol.fsUuid; 20269 if (TextUtils.isEmpty(volumeUuid)) { 20270 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 20271 return; 20272 } 20273 20274 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 20275 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 20276 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 20277 20278 final VersionInfo ver; 20279 final List<PackageSetting> packages; 20280 synchronized (mPackages) { 20281 ver = mSettings.findOrCreateVersion(volumeUuid); 20282 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20283 } 20284 20285 for (PackageSetting ps : packages) { 20286 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 20287 synchronized (mInstallLock) { 20288 final PackageParser.Package pkg; 20289 try { 20290 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 20291 loaded.add(pkg.applicationInfo); 20292 20293 } catch (PackageManagerException e) { 20294 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 20295 } 20296 20297 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 20298 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 20299 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 20300 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20301 } 20302 } 20303 } 20304 20305 // Reconcile app data for all started/unlocked users 20306 final StorageManager sm = mContext.getSystemService(StorageManager.class); 20307 final UserManager um = mContext.getSystemService(UserManager.class); 20308 UserManagerInternal umInternal = getUserManagerInternal(); 20309 for (UserInfo user : um.getUsers()) { 20310 final int flags; 20311 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20312 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20313 } else if (umInternal.isUserRunning(user.id)) { 20314 flags = StorageManager.FLAG_STORAGE_DE; 20315 } else { 20316 continue; 20317 } 20318 20319 try { 20320 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 20321 synchronized (mInstallLock) { 20322 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 20323 } 20324 } catch (IllegalStateException e) { 20325 // Device was probably ejected, and we'll process that event momentarily 20326 Slog.w(TAG, "Failed to prepare storage: " + e); 20327 } 20328 } 20329 20330 synchronized (mPackages) { 20331 int updateFlags = UPDATE_PERMISSIONS_ALL; 20332 if (ver.sdkVersion != mSdkVersion) { 20333 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 20334 + mSdkVersion + "; regranting permissions for " + volumeUuid); 20335 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 20336 } 20337 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 20338 20339 // Yay, everything is now upgraded 20340 ver.forceCurrent(); 20341 20342 mSettings.writeLPr(); 20343 } 20344 20345 for (PackageFreezer freezer : freezers) { 20346 freezer.close(); 20347 } 20348 20349 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 20350 sendResourcesChangedBroadcast(true, false, loaded, null); 20351 } 20352 20353 private void unloadPrivatePackages(final VolumeInfo vol) { 20354 mHandler.post(new Runnable() { 20355 @Override 20356 public void run() { 20357 unloadPrivatePackagesInner(vol); 20358 } 20359 }); 20360 } 20361 20362 private void unloadPrivatePackagesInner(VolumeInfo vol) { 20363 final String volumeUuid = vol.fsUuid; 20364 if (TextUtils.isEmpty(volumeUuid)) { 20365 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 20366 return; 20367 } 20368 20369 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 20370 synchronized (mInstallLock) { 20371 synchronized (mPackages) { 20372 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 20373 for (PackageSetting ps : packages) { 20374 if (ps.pkg == null) continue; 20375 20376 final ApplicationInfo info = ps.pkg.applicationInfo; 20377 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 20378 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 20379 20380 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 20381 "unloadPrivatePackagesInner")) { 20382 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 20383 false, null)) { 20384 unloaded.add(info); 20385 } else { 20386 Slog.w(TAG, "Failed to unload " + ps.codePath); 20387 } 20388 } 20389 20390 // Try very hard to release any references to this package 20391 // so we don't risk the system server being killed due to 20392 // open FDs 20393 AttributeCache.instance().removePackage(ps.name); 20394 } 20395 20396 mSettings.writeLPr(); 20397 } 20398 } 20399 20400 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 20401 sendResourcesChangedBroadcast(false, false, unloaded, null); 20402 20403 // Try very hard to release any references to this path so we don't risk 20404 // the system server being killed due to open FDs 20405 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 20406 20407 for (int i = 0; i < 3; i++) { 20408 System.gc(); 20409 System.runFinalization(); 20410 } 20411 } 20412 20413 /** 20414 * Prepare storage areas for given user on all mounted devices. 20415 */ 20416 void prepareUserData(int userId, int userSerial, int flags) { 20417 synchronized (mInstallLock) { 20418 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20419 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20420 final String volumeUuid = vol.getFsUuid(); 20421 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 20422 } 20423 } 20424 } 20425 20426 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 20427 boolean allowRecover) { 20428 // Prepare storage and verify that serial numbers are consistent; if 20429 // there's a mismatch we need to destroy to avoid leaking data 20430 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20431 try { 20432 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 20433 20434 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 20435 UserManagerService.enforceSerialNumber( 20436 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 20437 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20438 UserManagerService.enforceSerialNumber( 20439 Environment.getDataSystemDeDirectory(userId), userSerial); 20440 } 20441 } 20442 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 20443 UserManagerService.enforceSerialNumber( 20444 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 20445 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20446 UserManagerService.enforceSerialNumber( 20447 Environment.getDataSystemCeDirectory(userId), userSerial); 20448 } 20449 } 20450 20451 synchronized (mInstallLock) { 20452 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 20453 } 20454 } catch (Exception e) { 20455 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 20456 + " because we failed to prepare: " + e); 20457 destroyUserDataLI(volumeUuid, userId, 20458 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 20459 20460 if (allowRecover) { 20461 // Try one last time; if we fail again we're really in trouble 20462 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 20463 } 20464 } 20465 } 20466 20467 /** 20468 * Destroy storage areas for given user on all mounted devices. 20469 */ 20470 void destroyUserData(int userId, int flags) { 20471 synchronized (mInstallLock) { 20472 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20473 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20474 final String volumeUuid = vol.getFsUuid(); 20475 destroyUserDataLI(volumeUuid, userId, flags); 20476 } 20477 } 20478 } 20479 20480 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 20481 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20482 try { 20483 // Clean up app data, profile data, and media data 20484 mInstaller.destroyUserData(volumeUuid, userId, flags); 20485 20486 // Clean up system data 20487 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 20488 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20489 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 20490 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 20491 } 20492 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20493 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 20494 } 20495 } 20496 20497 // Data with special labels is now gone, so finish the job 20498 storage.destroyUserStorage(volumeUuid, userId, flags); 20499 20500 } catch (Exception e) { 20501 logCriticalInfo(Log.WARN, 20502 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 20503 } 20504 } 20505 20506 /** 20507 * Examine all users present on given mounted volume, and destroy data 20508 * belonging to users that are no longer valid, or whose user ID has been 20509 * recycled. 20510 */ 20511 private void reconcileUsers(String volumeUuid) { 20512 final List<File> files = new ArrayList<>(); 20513 Collections.addAll(files, FileUtils 20514 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 20515 Collections.addAll(files, FileUtils 20516 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 20517 Collections.addAll(files, FileUtils 20518 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 20519 Collections.addAll(files, FileUtils 20520 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 20521 for (File file : files) { 20522 if (!file.isDirectory()) continue; 20523 20524 final int userId; 20525 final UserInfo info; 20526 try { 20527 userId = Integer.parseInt(file.getName()); 20528 info = sUserManager.getUserInfo(userId); 20529 } catch (NumberFormatException e) { 20530 Slog.w(TAG, "Invalid user directory " + file); 20531 continue; 20532 } 20533 20534 boolean destroyUser = false; 20535 if (info == null) { 20536 logCriticalInfo(Log.WARN, "Destroying user directory " + file 20537 + " because no matching user was found"); 20538 destroyUser = true; 20539 } else if (!mOnlyCore) { 20540 try { 20541 UserManagerService.enforceSerialNumber(file, info.serialNumber); 20542 } catch (IOException e) { 20543 logCriticalInfo(Log.WARN, "Destroying user directory " + file 20544 + " because we failed to enforce serial number: " + e); 20545 destroyUser = true; 20546 } 20547 } 20548 20549 if (destroyUser) { 20550 synchronized (mInstallLock) { 20551 destroyUserDataLI(volumeUuid, userId, 20552 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 20553 } 20554 } 20555 } 20556 } 20557 20558 private void assertPackageKnown(String volumeUuid, String packageName) 20559 throws PackageManagerException { 20560 synchronized (mPackages) { 20561 // Normalize package name to handle renamed packages 20562 packageName = normalizePackageNameLPr(packageName); 20563 20564 final PackageSetting ps = mSettings.mPackages.get(packageName); 20565 if (ps == null) { 20566 throw new PackageManagerException("Package " + packageName + " is unknown"); 20567 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 20568 throw new PackageManagerException( 20569 "Package " + packageName + " found on unknown volume " + volumeUuid 20570 + "; expected volume " + ps.volumeUuid); 20571 } 20572 } 20573 } 20574 20575 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 20576 throws PackageManagerException { 20577 synchronized (mPackages) { 20578 // Normalize package name to handle renamed packages 20579 packageName = normalizePackageNameLPr(packageName); 20580 20581 final PackageSetting ps = mSettings.mPackages.get(packageName); 20582 if (ps == null) { 20583 throw new PackageManagerException("Package " + packageName + " is unknown"); 20584 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 20585 throw new PackageManagerException( 20586 "Package " + packageName + " found on unknown volume " + volumeUuid 20587 + "; expected volume " + ps.volumeUuid); 20588 } else if (!ps.getInstalled(userId)) { 20589 throw new PackageManagerException( 20590 "Package " + packageName + " not installed for user " + userId); 20591 } 20592 } 20593 } 20594 20595 /** 20596 * Examine all apps present on given mounted volume, and destroy apps that 20597 * aren't expected, either due to uninstallation or reinstallation on 20598 * another volume. 20599 */ 20600 private void reconcileApps(String volumeUuid) { 20601 final File[] files = FileUtils 20602 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 20603 for (File file : files) { 20604 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 20605 && !PackageInstallerService.isStageName(file.getName()); 20606 if (!isPackage) { 20607 // Ignore entries which are not packages 20608 continue; 20609 } 20610 20611 try { 20612 final PackageLite pkg = PackageParser.parsePackageLite(file, 20613 PackageParser.PARSE_MUST_BE_APK); 20614 assertPackageKnown(volumeUuid, pkg.packageName); 20615 20616 } catch (PackageParserException | PackageManagerException e) { 20617 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20618 synchronized (mInstallLock) { 20619 removeCodePathLI(file); 20620 } 20621 } 20622 } 20623 } 20624 20625 /** 20626 * Reconcile all app data for the given user. 20627 * <p> 20628 * Verifies that directories exist and that ownership and labeling is 20629 * correct for all installed apps on all mounted volumes. 20630 */ 20631 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 20632 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20633 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 20634 final String volumeUuid = vol.getFsUuid(); 20635 synchronized (mInstallLock) { 20636 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 20637 } 20638 } 20639 } 20640 20641 /** 20642 * Reconcile all app data on given mounted volume. 20643 * <p> 20644 * Destroys app data that isn't expected, either due to uninstallation or 20645 * reinstallation on another volume. 20646 * <p> 20647 * Verifies that directories exist and that ownership and labeling is 20648 * correct for all installed apps. 20649 */ 20650 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 20651 boolean migrateAppData) { 20652 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 20653 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 20654 20655 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 20656 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 20657 20658 // First look for stale data that doesn't belong, and check if things 20659 // have changed since we did our last restorecon 20660 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20661 if (StorageManager.isFileEncryptedNativeOrEmulated() 20662 && !StorageManager.isUserKeyUnlocked(userId)) { 20663 throw new RuntimeException( 20664 "Yikes, someone asked us to reconcile CE storage while " + userId 20665 + " was still locked; this would have caused massive data loss!"); 20666 } 20667 20668 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 20669 for (File file : files) { 20670 final String packageName = file.getName(); 20671 try { 20672 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20673 } catch (PackageManagerException e) { 20674 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20675 try { 20676 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20677 StorageManager.FLAG_STORAGE_CE, 0); 20678 } catch (InstallerException e2) { 20679 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20680 } 20681 } 20682 } 20683 } 20684 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 20685 final File[] files = FileUtils.listFilesOrEmpty(deDir); 20686 for (File file : files) { 20687 final String packageName = file.getName(); 20688 try { 20689 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 20690 } catch (PackageManagerException e) { 20691 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 20692 try { 20693 mInstaller.destroyAppData(volumeUuid, packageName, userId, 20694 StorageManager.FLAG_STORAGE_DE, 0); 20695 } catch (InstallerException e2) { 20696 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 20697 } 20698 } 20699 } 20700 } 20701 20702 // Ensure that data directories are ready to roll for all packages 20703 // installed for this volume and user 20704 final List<PackageSetting> packages; 20705 synchronized (mPackages) { 20706 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20707 } 20708 int preparedCount = 0; 20709 for (PackageSetting ps : packages) { 20710 final String packageName = ps.name; 20711 if (ps.pkg == null) { 20712 Slog.w(TAG, "Odd, missing scanned package " + packageName); 20713 // TODO: might be due to legacy ASEC apps; we should circle back 20714 // and reconcile again once they're scanned 20715 continue; 20716 } 20717 20718 if (ps.getInstalled(userId)) { 20719 prepareAppDataLIF(ps.pkg, userId, flags); 20720 20721 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 20722 // We may have just shuffled around app data directories, so 20723 // prepare them one more time 20724 prepareAppDataLIF(ps.pkg, userId, flags); 20725 } 20726 20727 preparedCount++; 20728 } 20729 } 20730 20731 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 20732 } 20733 20734 /** 20735 * Prepare app data for the given app just after it was installed or 20736 * upgraded. This method carefully only touches users that it's installed 20737 * for, and it forces a restorecon to handle any seinfo changes. 20738 * <p> 20739 * Verifies that directories exist and that ownership and labeling is 20740 * correct for all installed apps. If there is an ownership mismatch, it 20741 * will try recovering system apps by wiping data; third-party app data is 20742 * left intact. 20743 * <p> 20744 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 20745 */ 20746 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 20747 final PackageSetting ps; 20748 synchronized (mPackages) { 20749 ps = mSettings.mPackages.get(pkg.packageName); 20750 mSettings.writeKernelMappingLPr(ps); 20751 } 20752 20753 final UserManager um = mContext.getSystemService(UserManager.class); 20754 UserManagerInternal umInternal = getUserManagerInternal(); 20755 for (UserInfo user : um.getUsers()) { 20756 final int flags; 20757 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20758 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20759 } else if (umInternal.isUserRunning(user.id)) { 20760 flags = StorageManager.FLAG_STORAGE_DE; 20761 } else { 20762 continue; 20763 } 20764 20765 if (ps.getInstalled(user.id)) { 20766 // TODO: when user data is locked, mark that we're still dirty 20767 prepareAppDataLIF(pkg, user.id, flags); 20768 } 20769 } 20770 } 20771 20772 /** 20773 * Prepare app data for the given app. 20774 * <p> 20775 * Verifies that directories exist and that ownership and labeling is 20776 * correct for all installed apps. If there is an ownership mismatch, this 20777 * will try recovering system apps by wiping data; third-party app data is 20778 * left intact. 20779 */ 20780 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 20781 if (pkg == null) { 20782 Slog.wtf(TAG, "Package was null!", new Throwable()); 20783 return; 20784 } 20785 prepareAppDataLeafLIF(pkg, userId, flags); 20786 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20787 for (int i = 0; i < childCount; i++) { 20788 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 20789 } 20790 } 20791 20792 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20793 if (DEBUG_APP_DATA) { 20794 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 20795 + Integer.toHexString(flags)); 20796 } 20797 20798 final String volumeUuid = pkg.volumeUuid; 20799 final String packageName = pkg.packageName; 20800 final ApplicationInfo app = pkg.applicationInfo; 20801 final int appId = UserHandle.getAppId(app.uid); 20802 20803 Preconditions.checkNotNull(app.seinfo); 20804 20805 long ceDataInode = -1; 20806 try { 20807 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20808 appId, app.seinfo, app.targetSdkVersion); 20809 } catch (InstallerException e) { 20810 if (app.isSystemApp()) { 20811 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 20812 + ", but trying to recover: " + e); 20813 destroyAppDataLeafLIF(pkg, userId, flags); 20814 try { 20815 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 20816 appId, app.seinfo, app.targetSdkVersion); 20817 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 20818 } catch (InstallerException e2) { 20819 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 20820 } 20821 } else { 20822 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 20823 } 20824 } 20825 20826 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 20827 // TODO: mark this structure as dirty so we persist it! 20828 synchronized (mPackages) { 20829 final PackageSetting ps = mSettings.mPackages.get(packageName); 20830 if (ps != null) { 20831 ps.setCeDataInode(ceDataInode, userId); 20832 } 20833 } 20834 } 20835 20836 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20837 } 20838 20839 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 20840 if (pkg == null) { 20841 Slog.wtf(TAG, "Package was null!", new Throwable()); 20842 return; 20843 } 20844 prepareAppDataContentsLeafLIF(pkg, userId, flags); 20845 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 20846 for (int i = 0; i < childCount; i++) { 20847 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 20848 } 20849 } 20850 20851 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 20852 final String volumeUuid = pkg.volumeUuid; 20853 final String packageName = pkg.packageName; 20854 final ApplicationInfo app = pkg.applicationInfo; 20855 20856 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 20857 // Create a native library symlink only if we have native libraries 20858 // and if the native libraries are 32 bit libraries. We do not provide 20859 // this symlink for 64 bit libraries. 20860 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 20861 final String nativeLibPath = app.nativeLibraryDir; 20862 try { 20863 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 20864 nativeLibPath, userId); 20865 } catch (InstallerException e) { 20866 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 20867 } 20868 } 20869 } 20870 } 20871 20872 /** 20873 * For system apps on non-FBE devices, this method migrates any existing 20874 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 20875 * requested by the app. 20876 */ 20877 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 20878 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 20879 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 20880 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 20881 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 20882 try { 20883 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 20884 storageTarget); 20885 } catch (InstallerException e) { 20886 logCriticalInfo(Log.WARN, 20887 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 20888 } 20889 return true; 20890 } else { 20891 return false; 20892 } 20893 } 20894 20895 public PackageFreezer freezePackage(String packageName, String killReason) { 20896 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 20897 } 20898 20899 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 20900 return new PackageFreezer(packageName, userId, killReason); 20901 } 20902 20903 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 20904 String killReason) { 20905 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 20906 } 20907 20908 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 20909 String killReason) { 20910 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 20911 return new PackageFreezer(); 20912 } else { 20913 return freezePackage(packageName, userId, killReason); 20914 } 20915 } 20916 20917 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 20918 String killReason) { 20919 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 20920 } 20921 20922 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 20923 String killReason) { 20924 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 20925 return new PackageFreezer(); 20926 } else { 20927 return freezePackage(packageName, userId, killReason); 20928 } 20929 } 20930 20931 /** 20932 * Class that freezes and kills the given package upon creation, and 20933 * unfreezes it upon closing. This is typically used when doing surgery on 20934 * app code/data to prevent the app from running while you're working. 20935 */ 20936 private class PackageFreezer implements AutoCloseable { 20937 private final String mPackageName; 20938 private final PackageFreezer[] mChildren; 20939 20940 private final boolean mWeFroze; 20941 20942 private final AtomicBoolean mClosed = new AtomicBoolean(); 20943 private final CloseGuard mCloseGuard = CloseGuard.get(); 20944 20945 /** 20946 * Create and return a stub freezer that doesn't actually do anything, 20947 * typically used when someone requested 20948 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 20949 * {@link PackageManager#DELETE_DONT_KILL_APP}. 20950 */ 20951 public PackageFreezer() { 20952 mPackageName = null; 20953 mChildren = null; 20954 mWeFroze = false; 20955 mCloseGuard.open("close"); 20956 } 20957 20958 public PackageFreezer(String packageName, int userId, String killReason) { 20959 synchronized (mPackages) { 20960 mPackageName = packageName; 20961 mWeFroze = mFrozenPackages.add(mPackageName); 20962 20963 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 20964 if (ps != null) { 20965 killApplication(ps.name, ps.appId, userId, killReason); 20966 } 20967 20968 final PackageParser.Package p = mPackages.get(packageName); 20969 if (p != null && p.childPackages != null) { 20970 final int N = p.childPackages.size(); 20971 mChildren = new PackageFreezer[N]; 20972 for (int i = 0; i < N; i++) { 20973 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 20974 userId, killReason); 20975 } 20976 } else { 20977 mChildren = null; 20978 } 20979 } 20980 mCloseGuard.open("close"); 20981 } 20982 20983 @Override 20984 protected void finalize() throws Throwable { 20985 try { 20986 mCloseGuard.warnIfOpen(); 20987 close(); 20988 } finally { 20989 super.finalize(); 20990 } 20991 } 20992 20993 @Override 20994 public void close() { 20995 mCloseGuard.close(); 20996 if (mClosed.compareAndSet(false, true)) { 20997 synchronized (mPackages) { 20998 if (mWeFroze) { 20999 mFrozenPackages.remove(mPackageName); 21000 } 21001 21002 if (mChildren != null) { 21003 for (PackageFreezer freezer : mChildren) { 21004 freezer.close(); 21005 } 21006 } 21007 } 21008 } 21009 } 21010 } 21011 21012 /** 21013 * Verify that given package is currently frozen. 21014 */ 21015 private void checkPackageFrozen(String packageName) { 21016 synchronized (mPackages) { 21017 if (!mFrozenPackages.contains(packageName)) { 21018 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 21019 } 21020 } 21021 } 21022 21023 @Override 21024 public int movePackage(final String packageName, final String volumeUuid) { 21025 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21026 21027 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 21028 final int moveId = mNextMoveId.getAndIncrement(); 21029 mHandler.post(new Runnable() { 21030 @Override 21031 public void run() { 21032 try { 21033 movePackageInternal(packageName, volumeUuid, moveId, user); 21034 } catch (PackageManagerException e) { 21035 Slog.w(TAG, "Failed to move " + packageName, e); 21036 mMoveCallbacks.notifyStatusChanged(moveId, 21037 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 21038 } 21039 } 21040 }); 21041 return moveId; 21042 } 21043 21044 private void movePackageInternal(final String packageName, final String volumeUuid, 21045 final int moveId, UserHandle user) throws PackageManagerException { 21046 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21047 final PackageManager pm = mContext.getPackageManager(); 21048 21049 final boolean currentAsec; 21050 final String currentVolumeUuid; 21051 final File codeFile; 21052 final String installerPackageName; 21053 final String packageAbiOverride; 21054 final int appId; 21055 final String seinfo; 21056 final String label; 21057 final int targetSdkVersion; 21058 final PackageFreezer freezer; 21059 final int[] installedUserIds; 21060 21061 // reader 21062 synchronized (mPackages) { 21063 final PackageParser.Package pkg = mPackages.get(packageName); 21064 final PackageSetting ps = mSettings.mPackages.get(packageName); 21065 if (pkg == null || ps == null) { 21066 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 21067 } 21068 21069 if (pkg.applicationInfo.isSystemApp()) { 21070 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 21071 "Cannot move system application"); 21072 } 21073 21074 if (pkg.applicationInfo.isExternalAsec()) { 21075 currentAsec = true; 21076 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 21077 } else if (pkg.applicationInfo.isForwardLocked()) { 21078 currentAsec = true; 21079 currentVolumeUuid = "forward_locked"; 21080 } else { 21081 currentAsec = false; 21082 currentVolumeUuid = ps.volumeUuid; 21083 21084 final File probe = new File(pkg.codePath); 21085 final File probeOat = new File(probe, "oat"); 21086 if (!probe.isDirectory() || !probeOat.isDirectory()) { 21087 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21088 "Move only supported for modern cluster style installs"); 21089 } 21090 } 21091 21092 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 21093 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21094 "Package already moved to " + volumeUuid); 21095 } 21096 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 21097 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 21098 "Device admin cannot be moved"); 21099 } 21100 21101 if (mFrozenPackages.contains(packageName)) { 21102 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 21103 "Failed to move already frozen package"); 21104 } 21105 21106 codeFile = new File(pkg.codePath); 21107 installerPackageName = ps.installerPackageName; 21108 packageAbiOverride = ps.cpuAbiOverrideString; 21109 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 21110 seinfo = pkg.applicationInfo.seinfo; 21111 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 21112 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 21113 freezer = freezePackage(packageName, "movePackageInternal"); 21114 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 21115 } 21116 21117 final Bundle extras = new Bundle(); 21118 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 21119 extras.putString(Intent.EXTRA_TITLE, label); 21120 mMoveCallbacks.notifyCreated(moveId, extras); 21121 21122 int installFlags; 21123 final boolean moveCompleteApp; 21124 final File measurePath; 21125 21126 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 21127 installFlags = INSTALL_INTERNAL; 21128 moveCompleteApp = !currentAsec; 21129 measurePath = Environment.getDataAppDirectory(volumeUuid); 21130 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 21131 installFlags = INSTALL_EXTERNAL; 21132 moveCompleteApp = false; 21133 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 21134 } else { 21135 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 21136 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 21137 || !volume.isMountedWritable()) { 21138 freezer.close(); 21139 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21140 "Move location not mounted private volume"); 21141 } 21142 21143 Preconditions.checkState(!currentAsec); 21144 21145 installFlags = INSTALL_INTERNAL; 21146 moveCompleteApp = true; 21147 measurePath = Environment.getDataAppDirectory(volumeUuid); 21148 } 21149 21150 final PackageStats stats = new PackageStats(null, -1); 21151 synchronized (mInstaller) { 21152 for (int userId : installedUserIds) { 21153 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 21154 freezer.close(); 21155 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21156 "Failed to measure package size"); 21157 } 21158 } 21159 } 21160 21161 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 21162 + stats.dataSize); 21163 21164 final long startFreeBytes = measurePath.getFreeSpace(); 21165 final long sizeBytes; 21166 if (moveCompleteApp) { 21167 sizeBytes = stats.codeSize + stats.dataSize; 21168 } else { 21169 sizeBytes = stats.codeSize; 21170 } 21171 21172 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 21173 freezer.close(); 21174 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21175 "Not enough free space to move"); 21176 } 21177 21178 mMoveCallbacks.notifyStatusChanged(moveId, 10); 21179 21180 final CountDownLatch installedLatch = new CountDownLatch(1); 21181 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 21182 @Override 21183 public void onUserActionRequired(Intent intent) throws RemoteException { 21184 throw new IllegalStateException(); 21185 } 21186 21187 @Override 21188 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 21189 Bundle extras) throws RemoteException { 21190 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 21191 + PackageManager.installStatusToString(returnCode, msg)); 21192 21193 installedLatch.countDown(); 21194 freezer.close(); 21195 21196 final int status = PackageManager.installStatusToPublicStatus(returnCode); 21197 switch (status) { 21198 case PackageInstaller.STATUS_SUCCESS: 21199 mMoveCallbacks.notifyStatusChanged(moveId, 21200 PackageManager.MOVE_SUCCEEDED); 21201 break; 21202 case PackageInstaller.STATUS_FAILURE_STORAGE: 21203 mMoveCallbacks.notifyStatusChanged(moveId, 21204 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 21205 break; 21206 default: 21207 mMoveCallbacks.notifyStatusChanged(moveId, 21208 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 21209 break; 21210 } 21211 } 21212 }; 21213 21214 final MoveInfo move; 21215 if (moveCompleteApp) { 21216 // Kick off a thread to report progress estimates 21217 new Thread() { 21218 @Override 21219 public void run() { 21220 while (true) { 21221 try { 21222 if (installedLatch.await(1, TimeUnit.SECONDS)) { 21223 break; 21224 } 21225 } catch (InterruptedException ignored) { 21226 } 21227 21228 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 21229 final int progress = 10 + (int) MathUtils.constrain( 21230 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 21231 mMoveCallbacks.notifyStatusChanged(moveId, progress); 21232 } 21233 } 21234 }.start(); 21235 21236 final String dataAppName = codeFile.getName(); 21237 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 21238 dataAppName, appId, seinfo, targetSdkVersion); 21239 } else { 21240 move = null; 21241 } 21242 21243 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 21244 21245 final Message msg = mHandler.obtainMessage(INIT_COPY); 21246 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 21247 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 21248 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 21249 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 21250 PackageManager.INSTALL_REASON_UNKNOWN); 21251 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 21252 msg.obj = params; 21253 21254 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 21255 System.identityHashCode(msg.obj)); 21256 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 21257 System.identityHashCode(msg.obj)); 21258 21259 mHandler.sendMessage(msg); 21260 } 21261 21262 @Override 21263 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 21264 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21265 21266 final int realMoveId = mNextMoveId.getAndIncrement(); 21267 final Bundle extras = new Bundle(); 21268 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 21269 mMoveCallbacks.notifyCreated(realMoveId, extras); 21270 21271 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 21272 @Override 21273 public void onCreated(int moveId, Bundle extras) { 21274 // Ignored 21275 } 21276 21277 @Override 21278 public void onStatusChanged(int moveId, int status, long estMillis) { 21279 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 21280 } 21281 }; 21282 21283 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21284 storage.setPrimaryStorageUuid(volumeUuid, callback); 21285 return realMoveId; 21286 } 21287 21288 @Override 21289 public int getMoveStatus(int moveId) { 21290 mContext.enforceCallingOrSelfPermission( 21291 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21292 return mMoveCallbacks.mLastStatus.get(moveId); 21293 } 21294 21295 @Override 21296 public void registerMoveCallback(IPackageMoveObserver callback) { 21297 mContext.enforceCallingOrSelfPermission( 21298 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21299 mMoveCallbacks.register(callback); 21300 } 21301 21302 @Override 21303 public void unregisterMoveCallback(IPackageMoveObserver callback) { 21304 mContext.enforceCallingOrSelfPermission( 21305 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21306 mMoveCallbacks.unregister(callback); 21307 } 21308 21309 @Override 21310 public boolean setInstallLocation(int loc) { 21311 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 21312 null); 21313 if (getInstallLocation() == loc) { 21314 return true; 21315 } 21316 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 21317 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 21318 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 21319 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 21320 return true; 21321 } 21322 return false; 21323 } 21324 21325 @Override 21326 public int getInstallLocation() { 21327 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 21328 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 21329 PackageHelper.APP_INSTALL_AUTO); 21330 } 21331 21332 /** Called by UserManagerService */ 21333 void cleanUpUser(UserManagerService userManager, int userHandle) { 21334 synchronized (mPackages) { 21335 mDirtyUsers.remove(userHandle); 21336 mUserNeedsBadging.delete(userHandle); 21337 mSettings.removeUserLPw(userHandle); 21338 mPendingBroadcasts.remove(userHandle); 21339 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 21340 removeUnusedPackagesLPw(userManager, userHandle); 21341 } 21342 } 21343 21344 /** 21345 * We're removing userHandle and would like to remove any downloaded packages 21346 * that are no longer in use by any other user. 21347 * @param userHandle the user being removed 21348 */ 21349 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 21350 final boolean DEBUG_CLEAN_APKS = false; 21351 int [] users = userManager.getUserIds(); 21352 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 21353 while (psit.hasNext()) { 21354 PackageSetting ps = psit.next(); 21355 if (ps.pkg == null) { 21356 continue; 21357 } 21358 final String packageName = ps.pkg.packageName; 21359 // Skip over if system app 21360 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 21361 continue; 21362 } 21363 if (DEBUG_CLEAN_APKS) { 21364 Slog.i(TAG, "Checking package " + packageName); 21365 } 21366 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 21367 if (keep) { 21368 if (DEBUG_CLEAN_APKS) { 21369 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 21370 } 21371 } else { 21372 for (int i = 0; i < users.length; i++) { 21373 if (users[i] != userHandle && ps.getInstalled(users[i])) { 21374 keep = true; 21375 if (DEBUG_CLEAN_APKS) { 21376 Slog.i(TAG, " Keeping package " + packageName + " for user " 21377 + users[i]); 21378 } 21379 break; 21380 } 21381 } 21382 } 21383 if (!keep) { 21384 if (DEBUG_CLEAN_APKS) { 21385 Slog.i(TAG, " Removing package " + packageName); 21386 } 21387 mHandler.post(new Runnable() { 21388 public void run() { 21389 deletePackageX(packageName, userHandle, 0); 21390 } //end run 21391 }); 21392 } 21393 } 21394 } 21395 21396 /** Called by UserManagerService */ 21397 void createNewUser(int userId, String[] disallowedPackages) { 21398 synchronized (mInstallLock) { 21399 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 21400 } 21401 synchronized (mPackages) { 21402 scheduleWritePackageRestrictionsLocked(userId); 21403 scheduleWritePackageListLocked(userId); 21404 applyFactoryDefaultBrowserLPw(userId); 21405 primeDomainVerificationsLPw(userId); 21406 } 21407 } 21408 21409 void onNewUserCreated(final int userId) { 21410 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 21411 // If permission review for legacy apps is required, we represent 21412 // dagerous permissions for such apps as always granted runtime 21413 // permissions to keep per user flag state whether review is needed. 21414 // Hence, if a new user is added we have to propagate dangerous 21415 // permission grants for these legacy apps. 21416 if (mPermissionReviewRequired) { 21417 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 21418 | UPDATE_PERMISSIONS_REPLACE_ALL); 21419 } 21420 } 21421 21422 @Override 21423 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 21424 mContext.enforceCallingOrSelfPermission( 21425 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 21426 "Only package verification agents can read the verifier device identity"); 21427 21428 synchronized (mPackages) { 21429 return mSettings.getVerifierDeviceIdentityLPw(); 21430 } 21431 } 21432 21433 @Override 21434 public void setPermissionEnforced(String permission, boolean enforced) { 21435 // TODO: Now that we no longer change GID for storage, this should to away. 21436 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 21437 "setPermissionEnforced"); 21438 if (READ_EXTERNAL_STORAGE.equals(permission)) { 21439 synchronized (mPackages) { 21440 if (mSettings.mReadExternalStorageEnforced == null 21441 || mSettings.mReadExternalStorageEnforced != enforced) { 21442 mSettings.mReadExternalStorageEnforced = enforced; 21443 mSettings.writeLPr(); 21444 } 21445 } 21446 // kill any non-foreground processes so we restart them and 21447 // grant/revoke the GID. 21448 final IActivityManager am = ActivityManager.getService(); 21449 if (am != null) { 21450 final long token = Binder.clearCallingIdentity(); 21451 try { 21452 am.killProcessesBelowForeground("setPermissionEnforcement"); 21453 } catch (RemoteException e) { 21454 } finally { 21455 Binder.restoreCallingIdentity(token); 21456 } 21457 } 21458 } else { 21459 throw new IllegalArgumentException("No selective enforcement for " + permission); 21460 } 21461 } 21462 21463 @Override 21464 @Deprecated 21465 public boolean isPermissionEnforced(String permission) { 21466 return true; 21467 } 21468 21469 @Override 21470 public boolean isStorageLow() { 21471 final long token = Binder.clearCallingIdentity(); 21472 try { 21473 final DeviceStorageMonitorInternal 21474 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 21475 if (dsm != null) { 21476 return dsm.isMemoryLow(); 21477 } else { 21478 return false; 21479 } 21480 } finally { 21481 Binder.restoreCallingIdentity(token); 21482 } 21483 } 21484 21485 @Override 21486 public IPackageInstaller getPackageInstaller() { 21487 return mInstallerService; 21488 } 21489 21490 private boolean userNeedsBadging(int userId) { 21491 int index = mUserNeedsBadging.indexOfKey(userId); 21492 if (index < 0) { 21493 final UserInfo userInfo; 21494 final long token = Binder.clearCallingIdentity(); 21495 try { 21496 userInfo = sUserManager.getUserInfo(userId); 21497 } finally { 21498 Binder.restoreCallingIdentity(token); 21499 } 21500 final boolean b; 21501 if (userInfo != null && userInfo.isManagedProfile()) { 21502 b = true; 21503 } else { 21504 b = false; 21505 } 21506 mUserNeedsBadging.put(userId, b); 21507 return b; 21508 } 21509 return mUserNeedsBadging.valueAt(index); 21510 } 21511 21512 @Override 21513 public KeySet getKeySetByAlias(String packageName, String alias) { 21514 if (packageName == null || alias == null) { 21515 return null; 21516 } 21517 synchronized(mPackages) { 21518 final PackageParser.Package pkg = mPackages.get(packageName); 21519 if (pkg == null) { 21520 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21521 throw new IllegalArgumentException("Unknown package: " + packageName); 21522 } 21523 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21524 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 21525 } 21526 } 21527 21528 @Override 21529 public KeySet getSigningKeySet(String packageName) { 21530 if (packageName == null) { 21531 return null; 21532 } 21533 synchronized(mPackages) { 21534 final PackageParser.Package pkg = mPackages.get(packageName); 21535 if (pkg == null) { 21536 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21537 throw new IllegalArgumentException("Unknown package: " + packageName); 21538 } 21539 if (pkg.applicationInfo.uid != Binder.getCallingUid() 21540 && Process.SYSTEM_UID != Binder.getCallingUid()) { 21541 throw new SecurityException("May not access signing KeySet of other apps."); 21542 } 21543 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21544 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 21545 } 21546 } 21547 21548 @Override 21549 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 21550 if (packageName == null || ks == null) { 21551 return false; 21552 } 21553 synchronized(mPackages) { 21554 final PackageParser.Package pkg = mPackages.get(packageName); 21555 if (pkg == null) { 21556 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21557 throw new IllegalArgumentException("Unknown package: " + packageName); 21558 } 21559 IBinder ksh = ks.getToken(); 21560 if (ksh instanceof KeySetHandle) { 21561 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21562 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 21563 } 21564 return false; 21565 } 21566 } 21567 21568 @Override 21569 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 21570 if (packageName == null || ks == null) { 21571 return false; 21572 } 21573 synchronized(mPackages) { 21574 final PackageParser.Package pkg = mPackages.get(packageName); 21575 if (pkg == null) { 21576 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 21577 throw new IllegalArgumentException("Unknown package: " + packageName); 21578 } 21579 IBinder ksh = ks.getToken(); 21580 if (ksh instanceof KeySetHandle) { 21581 KeySetManagerService ksms = mSettings.mKeySetManagerService; 21582 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 21583 } 21584 return false; 21585 } 21586 } 21587 21588 private void deletePackageIfUnusedLPr(final String packageName) { 21589 PackageSetting ps = mSettings.mPackages.get(packageName); 21590 if (ps == null) { 21591 return; 21592 } 21593 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 21594 // TODO Implement atomic delete if package is unused 21595 // It is currently possible that the package will be deleted even if it is installed 21596 // after this method returns. 21597 mHandler.post(new Runnable() { 21598 public void run() { 21599 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 21600 } 21601 }); 21602 } 21603 } 21604 21605 /** 21606 * Check and throw if the given before/after packages would be considered a 21607 * downgrade. 21608 */ 21609 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 21610 throws PackageManagerException { 21611 if (after.versionCode < before.mVersionCode) { 21612 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21613 "Update version code " + after.versionCode + " is older than current " 21614 + before.mVersionCode); 21615 } else if (after.versionCode == before.mVersionCode) { 21616 if (after.baseRevisionCode < before.baseRevisionCode) { 21617 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21618 "Update base revision code " + after.baseRevisionCode 21619 + " is older than current " + before.baseRevisionCode); 21620 } 21621 21622 if (!ArrayUtils.isEmpty(after.splitNames)) { 21623 for (int i = 0; i < after.splitNames.length; i++) { 21624 final String splitName = after.splitNames[i]; 21625 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 21626 if (j != -1) { 21627 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 21628 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 21629 "Update split " + splitName + " revision code " 21630 + after.splitRevisionCodes[i] + " is older than current " 21631 + before.splitRevisionCodes[j]); 21632 } 21633 } 21634 } 21635 } 21636 } 21637 } 21638 21639 private static class MoveCallbacks extends Handler { 21640 private static final int MSG_CREATED = 1; 21641 private static final int MSG_STATUS_CHANGED = 2; 21642 21643 private final RemoteCallbackList<IPackageMoveObserver> 21644 mCallbacks = new RemoteCallbackList<>(); 21645 21646 private final SparseIntArray mLastStatus = new SparseIntArray(); 21647 21648 public MoveCallbacks(Looper looper) { 21649 super(looper); 21650 } 21651 21652 public void register(IPackageMoveObserver callback) { 21653 mCallbacks.register(callback); 21654 } 21655 21656 public void unregister(IPackageMoveObserver callback) { 21657 mCallbacks.unregister(callback); 21658 } 21659 21660 @Override 21661 public void handleMessage(Message msg) { 21662 final SomeArgs args = (SomeArgs) msg.obj; 21663 final int n = mCallbacks.beginBroadcast(); 21664 for (int i = 0; i < n; i++) { 21665 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 21666 try { 21667 invokeCallback(callback, msg.what, args); 21668 } catch (RemoteException ignored) { 21669 } 21670 } 21671 mCallbacks.finishBroadcast(); 21672 args.recycle(); 21673 } 21674 21675 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 21676 throws RemoteException { 21677 switch (what) { 21678 case MSG_CREATED: { 21679 callback.onCreated(args.argi1, (Bundle) args.arg2); 21680 break; 21681 } 21682 case MSG_STATUS_CHANGED: { 21683 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 21684 break; 21685 } 21686 } 21687 } 21688 21689 private void notifyCreated(int moveId, Bundle extras) { 21690 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 21691 21692 final SomeArgs args = SomeArgs.obtain(); 21693 args.argi1 = moveId; 21694 args.arg2 = extras; 21695 obtainMessage(MSG_CREATED, args).sendToTarget(); 21696 } 21697 21698 private void notifyStatusChanged(int moveId, int status) { 21699 notifyStatusChanged(moveId, status, -1); 21700 } 21701 21702 private void notifyStatusChanged(int moveId, int status, long estMillis) { 21703 Slog.v(TAG, "Move " + moveId + " status " + status); 21704 21705 final SomeArgs args = SomeArgs.obtain(); 21706 args.argi1 = moveId; 21707 args.argi2 = status; 21708 args.arg3 = estMillis; 21709 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 21710 21711 synchronized (mLastStatus) { 21712 mLastStatus.put(moveId, status); 21713 } 21714 } 21715 } 21716 21717 private final static class OnPermissionChangeListeners extends Handler { 21718 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 21719 21720 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 21721 new RemoteCallbackList<>(); 21722 21723 public OnPermissionChangeListeners(Looper looper) { 21724 super(looper); 21725 } 21726 21727 @Override 21728 public void handleMessage(Message msg) { 21729 switch (msg.what) { 21730 case MSG_ON_PERMISSIONS_CHANGED: { 21731 final int uid = msg.arg1; 21732 handleOnPermissionsChanged(uid); 21733 } break; 21734 } 21735 } 21736 21737 public void addListenerLocked(IOnPermissionsChangeListener listener) { 21738 mPermissionListeners.register(listener); 21739 21740 } 21741 21742 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 21743 mPermissionListeners.unregister(listener); 21744 } 21745 21746 public void onPermissionsChanged(int uid) { 21747 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 21748 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 21749 } 21750 } 21751 21752 private void handleOnPermissionsChanged(int uid) { 21753 final int count = mPermissionListeners.beginBroadcast(); 21754 try { 21755 for (int i = 0; i < count; i++) { 21756 IOnPermissionsChangeListener callback = mPermissionListeners 21757 .getBroadcastItem(i); 21758 try { 21759 callback.onPermissionsChanged(uid); 21760 } catch (RemoteException e) { 21761 Log.e(TAG, "Permission listener is dead", e); 21762 } 21763 } 21764 } finally { 21765 mPermissionListeners.finishBroadcast(); 21766 } 21767 } 21768 } 21769 21770 private class PackageManagerInternalImpl extends PackageManagerInternal { 21771 @Override 21772 public void setLocationPackagesProvider(PackagesProvider provider) { 21773 synchronized (mPackages) { 21774 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 21775 } 21776 } 21777 21778 @Override 21779 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 21780 synchronized (mPackages) { 21781 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 21782 } 21783 } 21784 21785 @Override 21786 public void setSmsAppPackagesProvider(PackagesProvider provider) { 21787 synchronized (mPackages) { 21788 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 21789 } 21790 } 21791 21792 @Override 21793 public void setDialerAppPackagesProvider(PackagesProvider provider) { 21794 synchronized (mPackages) { 21795 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 21796 } 21797 } 21798 21799 @Override 21800 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 21801 synchronized (mPackages) { 21802 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 21803 } 21804 } 21805 21806 @Override 21807 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 21808 synchronized (mPackages) { 21809 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 21810 } 21811 } 21812 21813 @Override 21814 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 21815 synchronized (mPackages) { 21816 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 21817 packageName, userId); 21818 } 21819 } 21820 21821 @Override 21822 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 21823 synchronized (mPackages) { 21824 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 21825 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 21826 packageName, userId); 21827 } 21828 } 21829 21830 @Override 21831 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 21832 synchronized (mPackages) { 21833 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 21834 packageName, userId); 21835 } 21836 } 21837 21838 @Override 21839 public void setKeepUninstalledPackages(final List<String> packageList) { 21840 Preconditions.checkNotNull(packageList); 21841 List<String> removedFromList = null; 21842 synchronized (mPackages) { 21843 if (mKeepUninstalledPackages != null) { 21844 final int packagesCount = mKeepUninstalledPackages.size(); 21845 for (int i = 0; i < packagesCount; i++) { 21846 String oldPackage = mKeepUninstalledPackages.get(i); 21847 if (packageList != null && packageList.contains(oldPackage)) { 21848 continue; 21849 } 21850 if (removedFromList == null) { 21851 removedFromList = new ArrayList<>(); 21852 } 21853 removedFromList.add(oldPackage); 21854 } 21855 } 21856 mKeepUninstalledPackages = new ArrayList<>(packageList); 21857 if (removedFromList != null) { 21858 final int removedCount = removedFromList.size(); 21859 for (int i = 0; i < removedCount; i++) { 21860 deletePackageIfUnusedLPr(removedFromList.get(i)); 21861 } 21862 } 21863 } 21864 } 21865 21866 @Override 21867 public boolean isPermissionsReviewRequired(String packageName, int userId) { 21868 synchronized (mPackages) { 21869 // If we do not support permission review, done. 21870 if (!mPermissionReviewRequired) { 21871 return false; 21872 } 21873 21874 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 21875 if (packageSetting == null) { 21876 return false; 21877 } 21878 21879 // Permission review applies only to apps not supporting the new permission model. 21880 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 21881 return false; 21882 } 21883 21884 // Legacy apps have the permission and get user consent on launch. 21885 PermissionsState permissionsState = packageSetting.getPermissionsState(); 21886 return permissionsState.isPermissionReviewRequired(userId); 21887 } 21888 } 21889 21890 @Override 21891 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 21892 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 21893 } 21894 21895 @Override 21896 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21897 int userId) { 21898 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 21899 } 21900 21901 @Override 21902 public void setDeviceAndProfileOwnerPackages( 21903 int deviceOwnerUserId, String deviceOwnerPackage, 21904 SparseArray<String> profileOwnerPackages) { 21905 mProtectedPackages.setDeviceAndProfileOwnerPackages( 21906 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 21907 } 21908 21909 @Override 21910 public boolean isPackageDataProtected(int userId, String packageName) { 21911 return mProtectedPackages.isPackageDataProtected(userId, packageName); 21912 } 21913 21914 @Override 21915 public boolean isPackageEphemeral(int userId, String packageName) { 21916 synchronized (mPackages) { 21917 PackageParser.Package p = mPackages.get(packageName); 21918 return p != null ? p.applicationInfo.isEphemeralApp() : false; 21919 } 21920 } 21921 21922 @Override 21923 public boolean wasPackageEverLaunched(String packageName, int userId) { 21924 synchronized (mPackages) { 21925 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 21926 } 21927 } 21928 21929 @Override 21930 public void grantRuntimePermission(String packageName, String name, int userId, 21931 boolean overridePolicy) { 21932 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 21933 overridePolicy); 21934 } 21935 21936 @Override 21937 public void revokeRuntimePermission(String packageName, String name, int userId, 21938 boolean overridePolicy) { 21939 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 21940 overridePolicy); 21941 } 21942 21943 @Override 21944 public String getNameForUid(int uid) { 21945 return PackageManagerService.this.getNameForUid(uid); 21946 } 21947 21948 @Override 21949 public void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 21950 Intent origIntent, String resolvedType, Intent launchIntent, 21951 String callingPackage, int userId) { 21952 PackageManagerService.this.requestEphemeralResolutionPhaseTwo( 21953 responseObj, origIntent, resolvedType, launchIntent, callingPackage, userId); 21954 } 21955 21956 public String getSetupWizardPackageName() { 21957 return mSetupWizardPackage; 21958 } 21959 } 21960 21961 @Override 21962 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 21963 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 21964 synchronized (mPackages) { 21965 final long identity = Binder.clearCallingIdentity(); 21966 try { 21967 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 21968 packageNames, userId); 21969 } finally { 21970 Binder.restoreCallingIdentity(identity); 21971 } 21972 } 21973 } 21974 21975 private static void enforceSystemOrPhoneCaller(String tag) { 21976 int callingUid = Binder.getCallingUid(); 21977 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 21978 throw new SecurityException( 21979 "Cannot call " + tag + " from UID " + callingUid); 21980 } 21981 } 21982 21983 boolean isHistoricalPackageUsageAvailable() { 21984 return mPackageUsage.isHistoricalPackageUsageAvailable(); 21985 } 21986 21987 /** 21988 * Return a <b>copy</b> of the collection of packages known to the package manager. 21989 * @return A copy of the values of mPackages. 21990 */ 21991 Collection<PackageParser.Package> getPackages() { 21992 synchronized (mPackages) { 21993 return new ArrayList<>(mPackages.values()); 21994 } 21995 } 21996 21997 /** 21998 * Logs process start information (including base APK hash) to the security log. 21999 * @hide 22000 */ 22001 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 22002 String apkFile, int pid) { 22003 if (!SecurityLog.isLoggingEnabled()) { 22004 return; 22005 } 22006 Bundle data = new Bundle(); 22007 data.putLong("startTimestamp", System.currentTimeMillis()); 22008 data.putString("processName", processName); 22009 data.putInt("uid", uid); 22010 data.putString("seinfo", seinfo); 22011 data.putString("apkFile", apkFile); 22012 data.putInt("pid", pid); 22013 Message msg = mProcessLoggingHandler.obtainMessage( 22014 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 22015 msg.setData(data); 22016 mProcessLoggingHandler.sendMessage(msg); 22017 } 22018 22019 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 22020 return mCompilerStats.getPackageStats(pkgName); 22021 } 22022 22023 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 22024 return getOrCreateCompilerPackageStats(pkg.packageName); 22025 } 22026 22027 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 22028 return mCompilerStats.getOrCreatePackageStats(pkgName); 22029 } 22030 22031 public void deleteCompilerPackageStats(String pkgName) { 22032 mCompilerStats.deletePackageStats(pkgName); 22033 } 22034 22035 @Override 22036 public int getInstallReason(String packageName, int userId) { 22037 enforceCrossUserPermission(Binder.getCallingUid(), userId, 22038 true /* requireFullPermission */, false /* checkShell */, 22039 "get install reason"); 22040 synchronized (mPackages) { 22041 final PackageSetting ps = mSettings.mPackages.get(packageName); 22042 if (ps != null) { 22043 return ps.getInstallReason(userId); 22044 } 22045 } 22046 return PackageManager.INSTALL_REASON_UNKNOWN; 22047 } 22048} 22049