PackageManagerService.java revision eabc9e95768e7ac9acc3b32dc9ac2edf99c9e2c5
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.DELETE_PACKAGES; 20import static android.Manifest.permission.INSTALL_PACKAGES; 21import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 22import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 23import static android.Manifest.permission.REQUEST_INSTALL_PACKAGES; 24import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 25import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 31import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 39import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 40import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 41import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 42import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 49import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 53import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 54import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 55import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 56import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 57import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 58import static android.content.pm.PackageManager.INSTALL_INTERNAL; 59import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 65import static android.content.pm.PackageManager.MATCH_ALL; 66import static android.content.pm.PackageManager.MATCH_ANY_USER; 67import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 68import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 69import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 70import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 71import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 72import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 73import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 74import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 75import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 76import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 77import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 78import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 79import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 80import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 81import static android.content.pm.PackageManager.PERMISSION_DENIED; 82import static android.content.pm.PackageManager.PERMISSION_GRANTED; 83import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 84import static android.content.pm.PackageParser.isApkFile; 85import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 86import static android.system.OsConstants.O_CREAT; 87import static android.system.OsConstants.O_RDWR; 88import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 89import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 90import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 91import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 92import static com.android.internal.util.ArrayUtils.appendInt; 93import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 94import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 95import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 96import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 97import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 98import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 99import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 100import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 101import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 102import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 103import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 104import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 105 106import android.Manifest; 107import android.annotation.NonNull; 108import android.annotation.Nullable; 109import android.app.ActivityManager; 110import android.app.AppOpsManager; 111import android.app.IActivityManager; 112import android.app.ResourcesManager; 113import android.app.admin.IDevicePolicyManager; 114import android.app.admin.SecurityLog; 115import android.app.backup.IBackupManager; 116import android.content.BroadcastReceiver; 117import android.content.ComponentName; 118import android.content.ContentResolver; 119import android.content.Context; 120import android.content.IIntentReceiver; 121import android.content.Intent; 122import android.content.IntentFilter; 123import android.content.IntentSender; 124import android.content.IntentSender.SendIntentException; 125import android.content.ServiceConnection; 126import android.content.pm.ActivityInfo; 127import android.content.pm.ApplicationInfo; 128import android.content.pm.AppsQueryHelper; 129import android.content.pm.ComponentInfo; 130import android.content.pm.EphemeralApplicationInfo; 131import android.content.pm.EphemeralRequest; 132import android.content.pm.EphemeralResolveInfo; 133import android.content.pm.EphemeralResponse; 134import android.content.pm.FallbackCategoryProvider; 135import android.content.pm.FeatureInfo; 136import android.content.pm.IOnPermissionsChangeListener; 137import android.content.pm.IPackageDataObserver; 138import android.content.pm.IPackageDeleteObserver; 139import android.content.pm.IPackageDeleteObserver2; 140import android.content.pm.IPackageInstallObserver2; 141import android.content.pm.IPackageInstaller; 142import android.content.pm.IPackageManager; 143import android.content.pm.IPackageMoveObserver; 144import android.content.pm.IPackageStatsObserver; 145import android.content.pm.InstrumentationInfo; 146import android.content.pm.IntentFilterVerificationInfo; 147import android.content.pm.KeySet; 148import android.content.pm.PackageCleanItem; 149import android.content.pm.PackageInfo; 150import android.content.pm.PackageInfoLite; 151import android.content.pm.PackageInstaller; 152import android.content.pm.PackageManager; 153import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 154import android.content.pm.PackageManagerInternal; 155import android.content.pm.PackageParser; 156import android.content.pm.PackageParser.ActivityIntentInfo; 157import android.content.pm.PackageParser.PackageLite; 158import android.content.pm.PackageParser.PackageParserException; 159import android.content.pm.PackageStats; 160import android.content.pm.PackageUserState; 161import android.content.pm.ParceledListSlice; 162import android.content.pm.PermissionGroupInfo; 163import android.content.pm.PermissionInfo; 164import android.content.pm.ProviderInfo; 165import android.content.pm.ResolveInfo; 166import android.content.pm.ServiceInfo; 167import android.content.pm.SharedLibraryInfo; 168import android.content.pm.Signature; 169import android.content.pm.UserInfo; 170import android.content.pm.VerifierDeviceIdentity; 171import android.content.pm.VerifierInfo; 172import android.content.pm.VersionedPackage; 173import android.content.res.Resources; 174import android.graphics.Bitmap; 175import android.hardware.display.DisplayManager; 176import android.net.Uri; 177import android.os.Binder; 178import android.os.Build; 179import android.os.Bundle; 180import android.os.Debug; 181import android.os.Environment; 182import android.os.Environment.UserEnvironment; 183import android.os.FileUtils; 184import android.os.Handler; 185import android.os.IBinder; 186import android.os.Looper; 187import android.os.Message; 188import android.os.Parcel; 189import android.os.ParcelFileDescriptor; 190import android.os.PatternMatcher; 191import android.os.Process; 192import android.os.RemoteCallbackList; 193import android.os.RemoteException; 194import android.os.ResultReceiver; 195import android.os.SELinux; 196import android.os.ServiceManager; 197import android.os.ShellCallback; 198import android.os.SystemClock; 199import android.os.SystemProperties; 200import android.os.Trace; 201import android.os.UserHandle; 202import android.os.UserManager; 203import android.os.UserManagerInternal; 204import android.os.storage.IStorageManager; 205import android.os.storage.StorageManagerInternal; 206import android.os.storage.StorageEventListener; 207import android.os.storage.StorageManager; 208import android.os.storage.VolumeInfo; 209import android.os.storage.VolumeRecord; 210import android.provider.Settings.Global; 211import android.provider.Settings.Secure; 212import android.security.KeyStore; 213import android.security.SystemKeyStore; 214import android.system.ErrnoException; 215import android.system.Os; 216import android.text.TextUtils; 217import android.text.format.DateUtils; 218import android.util.ArrayMap; 219import android.util.ArraySet; 220import android.util.Base64; 221import android.util.DisplayMetrics; 222import android.util.EventLog; 223import android.util.ExceptionUtils; 224import android.util.Log; 225import android.util.LogPrinter; 226import android.util.MathUtils; 227import android.util.PackageUtils; 228import android.util.Pair; 229import android.util.PrintStreamPrinter; 230import android.util.Slog; 231import android.util.SparseArray; 232import android.util.SparseBooleanArray; 233import android.util.SparseIntArray; 234import android.util.Xml; 235import android.util.jar.StrictJarFile; 236import android.view.Display; 237 238import com.android.internal.R; 239import com.android.internal.annotations.GuardedBy; 240import com.android.internal.app.IMediaContainerService; 241import com.android.internal.app.ResolverActivity; 242import com.android.internal.content.NativeLibraryHelper; 243import com.android.internal.content.PackageHelper; 244import com.android.internal.logging.MetricsLogger; 245import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 246import com.android.internal.os.IParcelFileDescriptorFactory; 247import com.android.internal.os.RoSystemProperties; 248import com.android.internal.os.SomeArgs; 249import com.android.internal.os.Zygote; 250import com.android.internal.telephony.CarrierAppUtils; 251import com.android.internal.util.ArrayUtils; 252import com.android.internal.util.FastPrintWriter; 253import com.android.internal.util.FastXmlSerializer; 254import com.android.internal.util.IndentingPrintWriter; 255import com.android.internal.util.Preconditions; 256import com.android.internal.util.XmlUtils; 257import com.android.server.AttributeCache; 258import com.android.server.EventLogTags; 259import com.android.server.FgThread; 260import com.android.server.IntentResolver; 261import com.android.server.LocalServices; 262import com.android.server.ServiceThread; 263import com.android.server.SystemConfig; 264import com.android.server.Watchdog; 265import com.android.server.net.NetworkPolicyManagerInternal; 266import com.android.server.pm.Installer.InstallerException; 267import com.android.server.pm.PermissionsState.PermissionState; 268import com.android.server.pm.Settings.DatabaseVersion; 269import com.android.server.pm.Settings.VersionInfo; 270import com.android.server.pm.dex.DexManager; 271import com.android.server.storage.DeviceStorageMonitorInternal; 272 273import dalvik.system.CloseGuard; 274import dalvik.system.DexFile; 275import dalvik.system.VMRuntime; 276 277import libcore.io.IoUtils; 278import libcore.util.EmptyArray; 279 280import org.xmlpull.v1.XmlPullParser; 281import org.xmlpull.v1.XmlPullParserException; 282import org.xmlpull.v1.XmlSerializer; 283 284import java.io.BufferedOutputStream; 285import java.io.BufferedReader; 286import java.io.ByteArrayInputStream; 287import java.io.ByteArrayOutputStream; 288import java.io.File; 289import java.io.FileDescriptor; 290import java.io.FileInputStream; 291import java.io.FileNotFoundException; 292import java.io.FileOutputStream; 293import java.io.FileReader; 294import java.io.FilenameFilter; 295import java.io.IOException; 296import java.io.PrintWriter; 297import java.nio.charset.StandardCharsets; 298import java.security.DigestInputStream; 299import java.security.MessageDigest; 300import java.security.NoSuchAlgorithmException; 301import java.security.PublicKey; 302import java.security.SecureRandom; 303import java.security.cert.Certificate; 304import java.security.cert.CertificateEncodingException; 305import java.security.cert.CertificateException; 306import java.text.SimpleDateFormat; 307import java.util.ArrayList; 308import java.util.Arrays; 309import java.util.Collection; 310import java.util.Collections; 311import java.util.Comparator; 312import java.util.Date; 313import java.util.HashSet; 314import java.util.HashMap; 315import java.util.Iterator; 316import java.util.List; 317import java.util.Map; 318import java.util.Objects; 319import java.util.Set; 320import java.util.concurrent.CountDownLatch; 321import java.util.concurrent.TimeUnit; 322import java.util.concurrent.atomic.AtomicBoolean; 323import java.util.concurrent.atomic.AtomicInteger; 324 325/** 326 * Keep track of all those APKs everywhere. 327 * <p> 328 * Internally there are two important locks: 329 * <ul> 330 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 331 * and other related state. It is a fine-grained lock that should only be held 332 * momentarily, as it's one of the most contended locks in the system. 333 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 334 * operations typically involve heavy lifting of application data on disk. Since 335 * {@code installd} is single-threaded, and it's operations can often be slow, 336 * this lock should never be acquired while already holding {@link #mPackages}. 337 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 338 * holding {@link #mInstallLock}. 339 * </ul> 340 * Many internal methods rely on the caller to hold the appropriate locks, and 341 * this contract is expressed through method name suffixes: 342 * <ul> 343 * <li>fooLI(): the caller must hold {@link #mInstallLock} 344 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 345 * being modified must be frozen 346 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 347 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 348 * </ul> 349 * <p> 350 * Because this class is very central to the platform's security; please run all 351 * CTS and unit tests whenever making modifications: 352 * 353 * <pre> 354 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 355 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 356 * </pre> 357 */ 358public class PackageManagerService extends IPackageManager.Stub { 359 static final String TAG = "PackageManager"; 360 static final boolean DEBUG_SETTINGS = false; 361 static final boolean DEBUG_PREFERRED = false; 362 static final boolean DEBUG_UPGRADE = false; 363 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 364 private static final boolean DEBUG_BACKUP = false; 365 private static final boolean DEBUG_INSTALL = false; 366 private static final boolean DEBUG_REMOVE = false; 367 private static final boolean DEBUG_BROADCASTS = false; 368 private static final boolean DEBUG_SHOW_INFO = false; 369 private static final boolean DEBUG_PACKAGE_INFO = false; 370 private static final boolean DEBUG_INTENT_MATCHING = false; 371 private static final boolean DEBUG_PACKAGE_SCANNING = false; 372 private static final boolean DEBUG_VERIFY = false; 373 private static final boolean DEBUG_FILTERS = false; 374 375 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 376 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 377 // user, but by default initialize to this. 378 static final boolean DEBUG_DEXOPT = false; 379 380 private static final boolean DEBUG_ABI_SELECTION = false; 381 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 382 private static final boolean DEBUG_TRIAGED_MISSING = false; 383 private static final boolean DEBUG_APP_DATA = false; 384 385 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 386 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 387 388 private static final boolean DISABLE_EPHEMERAL_APPS = false; 389 private static final boolean HIDE_EPHEMERAL_APIS = true; 390 391 private static final boolean ENABLE_QUOTA = 392 SystemProperties.getBoolean("persist.fw.quota", false); 393 394 private static final int RADIO_UID = Process.PHONE_UID; 395 private static final int LOG_UID = Process.LOG_UID; 396 private static final int NFC_UID = Process.NFC_UID; 397 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 398 private static final int SHELL_UID = Process.SHELL_UID; 399 400 // Cap the size of permission trees that 3rd party apps can define 401 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 402 403 // Suffix used during package installation when copying/moving 404 // package apks to install directory. 405 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 406 407 static final int SCAN_NO_DEX = 1<<1; 408 static final int SCAN_FORCE_DEX = 1<<2; 409 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 410 static final int SCAN_NEW_INSTALL = 1<<4; 411 static final int SCAN_UPDATE_TIME = 1<<5; 412 static final int SCAN_BOOTING = 1<<6; 413 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 414 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 415 static final int SCAN_REPLACING = 1<<9; 416 static final int SCAN_REQUIRE_KNOWN = 1<<10; 417 static final int SCAN_MOVE = 1<<11; 418 static final int SCAN_INITIAL = 1<<12; 419 static final int SCAN_CHECK_ONLY = 1<<13; 420 static final int SCAN_DONT_KILL_APP = 1<<14; 421 static final int SCAN_IGNORE_FROZEN = 1<<15; 422 static final int REMOVE_CHATTY = 1<<16; 423 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<17; 424 425 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 426 427 private static final int[] EMPTY_INT_ARRAY = new int[0]; 428 429 /** 430 * Timeout (in milliseconds) after which the watchdog should declare that 431 * our handler thread is wedged. The usual default for such things is one 432 * minute but we sometimes do very lengthy I/O operations on this thread, 433 * such as installing multi-gigabyte applications, so ours needs to be longer. 434 */ 435 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 436 437 /** 438 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 439 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 440 * settings entry if available, otherwise we use the hardcoded default. If it's been 441 * more than this long since the last fstrim, we force one during the boot sequence. 442 * 443 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 444 * one gets run at the next available charging+idle time. This final mandatory 445 * no-fstrim check kicks in only of the other scheduling criteria is never met. 446 */ 447 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 448 449 /** 450 * Whether verification is enabled by default. 451 */ 452 private static final boolean DEFAULT_VERIFY_ENABLE = true; 453 454 /** 455 * The default maximum time to wait for the verification agent to return in 456 * milliseconds. 457 */ 458 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 459 460 /** 461 * The default response for package verification timeout. 462 * 463 * This can be either PackageManager.VERIFICATION_ALLOW or 464 * PackageManager.VERIFICATION_REJECT. 465 */ 466 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 467 468 static final String PLATFORM_PACKAGE_NAME = "android"; 469 470 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 471 472 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 473 DEFAULT_CONTAINER_PACKAGE, 474 "com.android.defcontainer.DefaultContainerService"); 475 476 private static final String KILL_APP_REASON_GIDS_CHANGED = 477 "permission grant or revoke changed gids"; 478 479 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 480 "permissions revoked"; 481 482 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 483 484 private static final String PACKAGE_SCHEME = "package"; 485 486 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 487 /** 488 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 489 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 490 * VENDOR_OVERLAY_DIR. 491 */ 492 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 493 /** 494 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 495 * is in VENDOR_OVERLAY_THEME_PROPERTY. 496 */ 497 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 498 = "persist.vendor.overlay.theme"; 499 500 /** Permission grant: not grant the permission. */ 501 private static final int GRANT_DENIED = 1; 502 503 /** Permission grant: grant the permission as an install permission. */ 504 private static final int GRANT_INSTALL = 2; 505 506 /** Permission grant: grant the permission as a runtime one. */ 507 private static final int GRANT_RUNTIME = 3; 508 509 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 510 private static final int GRANT_UPGRADE = 4; 511 512 /** Canonical intent used to identify what counts as a "web browser" app */ 513 private static final Intent sBrowserIntent; 514 static { 515 sBrowserIntent = new Intent(); 516 sBrowserIntent.setAction(Intent.ACTION_VIEW); 517 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 518 sBrowserIntent.setData(Uri.parse("http:")); 519 } 520 521 /** 522 * The set of all protected actions [i.e. those actions for which a high priority 523 * intent filter is disallowed]. 524 */ 525 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 526 static { 527 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 528 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 529 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 530 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 531 } 532 533 // Compilation reasons. 534 public static final int REASON_FIRST_BOOT = 0; 535 public static final int REASON_BOOT = 1; 536 public static final int REASON_INSTALL = 2; 537 public static final int REASON_BACKGROUND_DEXOPT = 3; 538 public static final int REASON_AB_OTA = 4; 539 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 540 public static final int REASON_SHARED_APK = 6; 541 public static final int REASON_FORCED_DEXOPT = 7; 542 public static final int REASON_CORE_APP = 8; 543 544 public static final int REASON_LAST = REASON_CORE_APP; 545 546 /** Special library name that skips shared libraries check during compilation. */ 547 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 548 549 /** All dangerous permission names in the same order as the events in MetricsEvent */ 550 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 551 Manifest.permission.READ_CALENDAR, 552 Manifest.permission.WRITE_CALENDAR, 553 Manifest.permission.CAMERA, 554 Manifest.permission.READ_CONTACTS, 555 Manifest.permission.WRITE_CONTACTS, 556 Manifest.permission.GET_ACCOUNTS, 557 Manifest.permission.ACCESS_FINE_LOCATION, 558 Manifest.permission.ACCESS_COARSE_LOCATION, 559 Manifest.permission.RECORD_AUDIO, 560 Manifest.permission.READ_PHONE_STATE, 561 Manifest.permission.CALL_PHONE, 562 Manifest.permission.READ_CALL_LOG, 563 Manifest.permission.WRITE_CALL_LOG, 564 Manifest.permission.ADD_VOICEMAIL, 565 Manifest.permission.USE_SIP, 566 Manifest.permission.PROCESS_OUTGOING_CALLS, 567 Manifest.permission.READ_CELL_BROADCASTS, 568 Manifest.permission.BODY_SENSORS, 569 Manifest.permission.SEND_SMS, 570 Manifest.permission.RECEIVE_SMS, 571 Manifest.permission.READ_SMS, 572 Manifest.permission.RECEIVE_WAP_PUSH, 573 Manifest.permission.RECEIVE_MMS, 574 Manifest.permission.READ_EXTERNAL_STORAGE, 575 Manifest.permission.WRITE_EXTERNAL_STORAGE, 576 Manifest.permission.READ_PHONE_NUMBER); 577 578 579 /** 580 * Version number for the package parser cache. Increment this whenever the format or 581 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 582 */ 583 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 584 585 /** 586 * Whether the package parser cache is enabled. 587 */ 588 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 589 590 final ServiceThread mHandlerThread; 591 592 final PackageHandler mHandler; 593 594 private final ProcessLoggingHandler mProcessLoggingHandler; 595 596 /** 597 * Messages for {@link #mHandler} that need to wait for system ready before 598 * being dispatched. 599 */ 600 private ArrayList<Message> mPostSystemReadyMessages; 601 602 final int mSdkVersion = Build.VERSION.SDK_INT; 603 604 final Context mContext; 605 final boolean mFactoryTest; 606 final boolean mOnlyCore; 607 final DisplayMetrics mMetrics; 608 final int mDefParseFlags; 609 final String[] mSeparateProcesses; 610 final boolean mIsUpgrade; 611 final boolean mIsPreNUpgrade; 612 final boolean mIsPreNMR1Upgrade; 613 614 @GuardedBy("mPackages") 615 private boolean mDexOptDialogShown; 616 617 /** The location for ASEC container files on internal storage. */ 618 final String mAsecInternalPath; 619 620 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 621 // LOCK HELD. Can be called with mInstallLock held. 622 @GuardedBy("mInstallLock") 623 final Installer mInstaller; 624 625 /** Directory where installed third-party apps stored */ 626 final File mAppInstallDir; 627 final File mEphemeralInstallDir; 628 629 /** 630 * Directory to which applications installed internally have their 631 * 32 bit native libraries copied. 632 */ 633 private File mAppLib32InstallDir; 634 635 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 636 // apps. 637 final File mDrmAppPrivateInstallDir; 638 639 // ---------------------------------------------------------------- 640 641 // Lock for state used when installing and doing other long running 642 // operations. Methods that must be called with this lock held have 643 // the suffix "LI". 644 final Object mInstallLock = new Object(); 645 646 // ---------------------------------------------------------------- 647 648 // Keys are String (package name), values are Package. This also serves 649 // as the lock for the global state. Methods that must be called with 650 // this lock held have the prefix "LP". 651 @GuardedBy("mPackages") 652 final ArrayMap<String, PackageParser.Package> mPackages = 653 new ArrayMap<String, PackageParser.Package>(); 654 655 final ArrayMap<String, Set<String>> mKnownCodebase = 656 new ArrayMap<String, Set<String>>(); 657 658 // Tracks available target package names -> overlay package paths. 659 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 660 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 661 662 /** 663 * Tracks new system packages [received in an OTA] that we expect to 664 * find updated user-installed versions. Keys are package name, values 665 * are package location. 666 */ 667 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 668 /** 669 * Tracks high priority intent filters for protected actions. During boot, certain 670 * filter actions are protected and should never be allowed to have a high priority 671 * intent filter for them. However, there is one, and only one exception -- the 672 * setup wizard. It must be able to define a high priority intent filter for these 673 * actions to ensure there are no escapes from the wizard. We need to delay processing 674 * of these during boot as we need to look at all of the system packages in order 675 * to know which component is the setup wizard. 676 */ 677 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 678 /** 679 * Whether or not processing protected filters should be deferred. 680 */ 681 private boolean mDeferProtectedFilters = true; 682 683 /** 684 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 685 */ 686 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 687 /** 688 * Whether or not system app permissions should be promoted from install to runtime. 689 */ 690 boolean mPromoteSystemApps; 691 692 @GuardedBy("mPackages") 693 final Settings mSettings; 694 695 /** 696 * Set of package names that are currently "frozen", which means active 697 * surgery is being done on the code/data for that package. The platform 698 * will refuse to launch frozen packages to avoid race conditions. 699 * 700 * @see PackageFreezer 701 */ 702 @GuardedBy("mPackages") 703 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 704 705 final ProtectedPackages mProtectedPackages; 706 707 boolean mFirstBoot; 708 709 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 710 711 // System configuration read by SystemConfig. 712 final int[] mGlobalGids; 713 final SparseArray<ArraySet<String>> mSystemPermissions; 714 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 715 716 // If mac_permissions.xml was found for seinfo labeling. 717 boolean mFoundPolicyFile; 718 719 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 720 721 public static final class SharedLibraryEntry { 722 public final String path; 723 public final String apk; 724 public final SharedLibraryInfo info; 725 726 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 727 String declaringPackageName, int declaringPackageVersionCode) { 728 path = _path; 729 apk = _apk; 730 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 731 declaringPackageName, declaringPackageVersionCode), null); 732 } 733 } 734 735 // Currently known shared libraries. 736 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 737 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 738 new ArrayMap<>(); 739 740 // All available activities, for your resolving pleasure. 741 final ActivityIntentResolver mActivities = 742 new ActivityIntentResolver(); 743 744 // All available receivers, for your resolving pleasure. 745 final ActivityIntentResolver mReceivers = 746 new ActivityIntentResolver(); 747 748 // All available services, for your resolving pleasure. 749 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 750 751 // All available providers, for your resolving pleasure. 752 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 753 754 // Mapping from provider base names (first directory in content URI codePath) 755 // to the provider information. 756 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 757 new ArrayMap<String, PackageParser.Provider>(); 758 759 // Mapping from instrumentation class names to info about them. 760 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 761 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 762 763 // Mapping from permission names to info about them. 764 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 765 new ArrayMap<String, PackageParser.PermissionGroup>(); 766 767 // Packages whose data we have transfered into another package, thus 768 // should no longer exist. 769 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 770 771 // Broadcast actions that are only available to the system. 772 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 773 774 /** List of packages waiting for verification. */ 775 final SparseArray<PackageVerificationState> mPendingVerification 776 = new SparseArray<PackageVerificationState>(); 777 778 /** Set of packages associated with each app op permission. */ 779 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 780 781 final PackageInstallerService mInstallerService; 782 783 private final PackageDexOptimizer mPackageDexOptimizer; 784 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 785 // is used by other apps). 786 private final DexManager mDexManager; 787 788 private AtomicInteger mNextMoveId = new AtomicInteger(); 789 private final MoveCallbacks mMoveCallbacks; 790 791 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 792 793 // Cache of users who need badging. 794 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 795 796 /** Token for keys in mPendingVerification. */ 797 private int mPendingVerificationToken = 0; 798 799 volatile boolean mSystemReady; 800 volatile boolean mSafeMode; 801 volatile boolean mHasSystemUidErrors; 802 803 ApplicationInfo mAndroidApplication; 804 final ActivityInfo mResolveActivity = new ActivityInfo(); 805 final ResolveInfo mResolveInfo = new ResolveInfo(); 806 ComponentName mResolveComponentName; 807 PackageParser.Package mPlatformPackage; 808 ComponentName mCustomResolverComponentName; 809 810 boolean mResolverReplaced = false; 811 812 private final @Nullable ComponentName mIntentFilterVerifierComponent; 813 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 814 815 private int mIntentFilterVerificationToken = 0; 816 817 /** The service connection to the ephemeral resolver */ 818 final EphemeralResolverConnection mEphemeralResolverConnection; 819 820 /** Component used to install ephemeral applications */ 821 ComponentName mEphemeralInstallerComponent; 822 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 823 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 824 825 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 826 = new SparseArray<IntentFilterVerificationState>(); 827 828 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 829 830 // List of packages names to keep cached, even if they are uninstalled for all users 831 private List<String> mKeepUninstalledPackages; 832 833 private UserManagerInternal mUserManagerInternal; 834 835 private File mCacheDir; 836 837 private static class IFVerificationParams { 838 PackageParser.Package pkg; 839 boolean replacing; 840 int userId; 841 int verifierUid; 842 843 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 844 int _userId, int _verifierUid) { 845 pkg = _pkg; 846 replacing = _replacing; 847 userId = _userId; 848 replacing = _replacing; 849 verifierUid = _verifierUid; 850 } 851 } 852 853 private interface IntentFilterVerifier<T extends IntentFilter> { 854 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 855 T filter, String packageName); 856 void startVerifications(int userId); 857 void receiveVerificationResponse(int verificationId); 858 } 859 860 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 861 private Context mContext; 862 private ComponentName mIntentFilterVerifierComponent; 863 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 864 865 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 866 mContext = context; 867 mIntentFilterVerifierComponent = verifierComponent; 868 } 869 870 private String getDefaultScheme() { 871 return IntentFilter.SCHEME_HTTPS; 872 } 873 874 @Override 875 public void startVerifications(int userId) { 876 // Launch verifications requests 877 int count = mCurrentIntentFilterVerifications.size(); 878 for (int n=0; n<count; n++) { 879 int verificationId = mCurrentIntentFilterVerifications.get(n); 880 final IntentFilterVerificationState ivs = 881 mIntentFilterVerificationStates.get(verificationId); 882 883 String packageName = ivs.getPackageName(); 884 885 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 886 final int filterCount = filters.size(); 887 ArraySet<String> domainsSet = new ArraySet<>(); 888 for (int m=0; m<filterCount; m++) { 889 PackageParser.ActivityIntentInfo filter = filters.get(m); 890 domainsSet.addAll(filter.getHostsList()); 891 } 892 synchronized (mPackages) { 893 if (mSettings.createIntentFilterVerificationIfNeededLPw( 894 packageName, domainsSet) != null) { 895 scheduleWriteSettingsLocked(); 896 } 897 } 898 sendVerificationRequest(userId, verificationId, ivs); 899 } 900 mCurrentIntentFilterVerifications.clear(); 901 } 902 903 private void sendVerificationRequest(int userId, int verificationId, 904 IntentFilterVerificationState ivs) { 905 906 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 907 verificationIntent.putExtra( 908 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 909 verificationId); 910 verificationIntent.putExtra( 911 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 912 getDefaultScheme()); 913 verificationIntent.putExtra( 914 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 915 ivs.getHostsString()); 916 verificationIntent.putExtra( 917 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 918 ivs.getPackageName()); 919 verificationIntent.setComponent(mIntentFilterVerifierComponent); 920 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 921 922 UserHandle user = new UserHandle(userId); 923 mContext.sendBroadcastAsUser(verificationIntent, user); 924 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 925 "Sending IntentFilter verification broadcast"); 926 } 927 928 public void receiveVerificationResponse(int verificationId) { 929 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 930 931 final boolean verified = ivs.isVerified(); 932 933 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 934 final int count = filters.size(); 935 if (DEBUG_DOMAIN_VERIFICATION) { 936 Slog.i(TAG, "Received verification response " + verificationId 937 + " for " + count + " filters, verified=" + verified); 938 } 939 for (int n=0; n<count; n++) { 940 PackageParser.ActivityIntentInfo filter = filters.get(n); 941 filter.setVerified(verified); 942 943 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 944 + " verified with result:" + verified + " and hosts:" 945 + ivs.getHostsString()); 946 } 947 948 mIntentFilterVerificationStates.remove(verificationId); 949 950 final String packageName = ivs.getPackageName(); 951 IntentFilterVerificationInfo ivi = null; 952 953 synchronized (mPackages) { 954 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 955 } 956 if (ivi == null) { 957 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 958 + verificationId + " packageName:" + packageName); 959 return; 960 } 961 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 962 "Updating IntentFilterVerificationInfo for package " + packageName 963 +" verificationId:" + verificationId); 964 965 synchronized (mPackages) { 966 if (verified) { 967 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 968 } else { 969 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 970 } 971 scheduleWriteSettingsLocked(); 972 973 final int userId = ivs.getUserId(); 974 if (userId != UserHandle.USER_ALL) { 975 final int userStatus = 976 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 977 978 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 979 boolean needUpdate = false; 980 981 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 982 // already been set by the User thru the Disambiguation dialog 983 switch (userStatus) { 984 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 985 if (verified) { 986 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 987 } else { 988 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 989 } 990 needUpdate = true; 991 break; 992 993 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 994 if (verified) { 995 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 996 needUpdate = true; 997 } 998 break; 999 1000 default: 1001 // Nothing to do 1002 } 1003 1004 if (needUpdate) { 1005 mSettings.updateIntentFilterVerificationStatusLPw( 1006 packageName, updatedStatus, userId); 1007 scheduleWritePackageRestrictionsLocked(userId); 1008 } 1009 } 1010 } 1011 } 1012 1013 @Override 1014 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1015 ActivityIntentInfo filter, String packageName) { 1016 if (!hasValidDomains(filter)) { 1017 return false; 1018 } 1019 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1020 if (ivs == null) { 1021 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1022 packageName); 1023 } 1024 if (DEBUG_DOMAIN_VERIFICATION) { 1025 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1026 } 1027 ivs.addFilter(filter); 1028 return true; 1029 } 1030 1031 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1032 int userId, int verificationId, String packageName) { 1033 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1034 verifierUid, userId, packageName); 1035 ivs.setPendingState(); 1036 synchronized (mPackages) { 1037 mIntentFilterVerificationStates.append(verificationId, ivs); 1038 mCurrentIntentFilterVerifications.add(verificationId); 1039 } 1040 return ivs; 1041 } 1042 } 1043 1044 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1045 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1046 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1047 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1048 } 1049 1050 // Set of pending broadcasts for aggregating enable/disable of components. 1051 static class PendingPackageBroadcasts { 1052 // for each user id, a map of <package name -> components within that package> 1053 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1054 1055 public PendingPackageBroadcasts() { 1056 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1057 } 1058 1059 public ArrayList<String> get(int userId, String packageName) { 1060 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1061 return packages.get(packageName); 1062 } 1063 1064 public void put(int userId, String packageName, ArrayList<String> components) { 1065 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1066 packages.put(packageName, components); 1067 } 1068 1069 public void remove(int userId, String packageName) { 1070 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1071 if (packages != null) { 1072 packages.remove(packageName); 1073 } 1074 } 1075 1076 public void remove(int userId) { 1077 mUidMap.remove(userId); 1078 } 1079 1080 public int userIdCount() { 1081 return mUidMap.size(); 1082 } 1083 1084 public int userIdAt(int n) { 1085 return mUidMap.keyAt(n); 1086 } 1087 1088 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1089 return mUidMap.get(userId); 1090 } 1091 1092 public int size() { 1093 // total number of pending broadcast entries across all userIds 1094 int num = 0; 1095 for (int i = 0; i< mUidMap.size(); i++) { 1096 num += mUidMap.valueAt(i).size(); 1097 } 1098 return num; 1099 } 1100 1101 public void clear() { 1102 mUidMap.clear(); 1103 } 1104 1105 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1106 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1107 if (map == null) { 1108 map = new ArrayMap<String, ArrayList<String>>(); 1109 mUidMap.put(userId, map); 1110 } 1111 return map; 1112 } 1113 } 1114 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1115 1116 // Service Connection to remote media container service to copy 1117 // package uri's from external media onto secure containers 1118 // or internal storage. 1119 private IMediaContainerService mContainerService = null; 1120 1121 static final int SEND_PENDING_BROADCAST = 1; 1122 static final int MCS_BOUND = 3; 1123 static final int END_COPY = 4; 1124 static final int INIT_COPY = 5; 1125 static final int MCS_UNBIND = 6; 1126 static final int START_CLEANING_PACKAGE = 7; 1127 static final int FIND_INSTALL_LOC = 8; 1128 static final int POST_INSTALL = 9; 1129 static final int MCS_RECONNECT = 10; 1130 static final int MCS_GIVE_UP = 11; 1131 static final int UPDATED_MEDIA_STATUS = 12; 1132 static final int WRITE_SETTINGS = 13; 1133 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1134 static final int PACKAGE_VERIFIED = 15; 1135 static final int CHECK_PENDING_VERIFICATION = 16; 1136 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1137 static final int INTENT_FILTER_VERIFIED = 18; 1138 static final int WRITE_PACKAGE_LIST = 19; 1139 static final int EPHEMERAL_RESOLUTION_PHASE_TWO = 20; 1140 1141 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1142 1143 // Delay time in millisecs 1144 static final int BROADCAST_DELAY = 10 * 1000; 1145 1146 static UserManagerService sUserManager; 1147 1148 // Stores a list of users whose package restrictions file needs to be updated 1149 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1150 1151 final private DefaultContainerConnection mDefContainerConn = 1152 new DefaultContainerConnection(); 1153 class DefaultContainerConnection implements ServiceConnection { 1154 public void onServiceConnected(ComponentName name, IBinder service) { 1155 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1156 final IMediaContainerService imcs = IMediaContainerService.Stub 1157 .asInterface(Binder.allowBlocking(service)); 1158 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1159 } 1160 1161 public void onServiceDisconnected(ComponentName name) { 1162 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1163 } 1164 } 1165 1166 // Recordkeeping of restore-after-install operations that are currently in flight 1167 // between the Package Manager and the Backup Manager 1168 static class PostInstallData { 1169 public InstallArgs args; 1170 public PackageInstalledInfo res; 1171 1172 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1173 args = _a; 1174 res = _r; 1175 } 1176 } 1177 1178 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1179 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1180 1181 // XML tags for backup/restore of various bits of state 1182 private static final String TAG_PREFERRED_BACKUP = "pa"; 1183 private static final String TAG_DEFAULT_APPS = "da"; 1184 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1185 1186 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1187 private static final String TAG_ALL_GRANTS = "rt-grants"; 1188 private static final String TAG_GRANT = "grant"; 1189 private static final String ATTR_PACKAGE_NAME = "pkg"; 1190 1191 private static final String TAG_PERMISSION = "perm"; 1192 private static final String ATTR_PERMISSION_NAME = "name"; 1193 private static final String ATTR_IS_GRANTED = "g"; 1194 private static final String ATTR_USER_SET = "set"; 1195 private static final String ATTR_USER_FIXED = "fixed"; 1196 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1197 1198 // System/policy permission grants are not backed up 1199 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1200 FLAG_PERMISSION_POLICY_FIXED 1201 | FLAG_PERMISSION_SYSTEM_FIXED 1202 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1203 1204 // And we back up these user-adjusted states 1205 private static final int USER_RUNTIME_GRANT_MASK = 1206 FLAG_PERMISSION_USER_SET 1207 | FLAG_PERMISSION_USER_FIXED 1208 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1209 1210 final @Nullable String mRequiredVerifierPackage; 1211 final @NonNull String mRequiredInstallerPackage; 1212 final @NonNull String mRequiredUninstallerPackage; 1213 final @Nullable String mSetupWizardPackage; 1214 final @Nullable String mStorageManagerPackage; 1215 final @NonNull String mServicesSystemSharedLibraryPackageName; 1216 final @NonNull String mSharedSystemSharedLibraryPackageName; 1217 1218 final boolean mPermissionReviewRequired; 1219 1220 private final PackageUsage mPackageUsage = new PackageUsage(); 1221 private final CompilerStats mCompilerStats = new CompilerStats(); 1222 1223 class PackageHandler extends Handler { 1224 private boolean mBound = false; 1225 final ArrayList<HandlerParams> mPendingInstalls = 1226 new ArrayList<HandlerParams>(); 1227 1228 private boolean connectToService() { 1229 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1230 " DefaultContainerService"); 1231 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1232 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1233 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1234 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1235 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1236 mBound = true; 1237 return true; 1238 } 1239 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1240 return false; 1241 } 1242 1243 private void disconnectService() { 1244 mContainerService = null; 1245 mBound = false; 1246 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1247 mContext.unbindService(mDefContainerConn); 1248 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1249 } 1250 1251 PackageHandler(Looper looper) { 1252 super(looper); 1253 } 1254 1255 public void handleMessage(Message msg) { 1256 try { 1257 doHandleMessage(msg); 1258 } finally { 1259 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1260 } 1261 } 1262 1263 void doHandleMessage(Message msg) { 1264 switch (msg.what) { 1265 case INIT_COPY: { 1266 HandlerParams params = (HandlerParams) msg.obj; 1267 int idx = mPendingInstalls.size(); 1268 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1269 // If a bind was already initiated we dont really 1270 // need to do anything. The pending install 1271 // will be processed later on. 1272 if (!mBound) { 1273 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1274 System.identityHashCode(mHandler)); 1275 // If this is the only one pending we might 1276 // have to bind to the service again. 1277 if (!connectToService()) { 1278 Slog.e(TAG, "Failed to bind to media container service"); 1279 params.serviceError(); 1280 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1281 System.identityHashCode(mHandler)); 1282 if (params.traceMethod != null) { 1283 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1284 params.traceCookie); 1285 } 1286 return; 1287 } else { 1288 // Once we bind to the service, the first 1289 // pending request will be processed. 1290 mPendingInstalls.add(idx, params); 1291 } 1292 } else { 1293 mPendingInstalls.add(idx, params); 1294 // Already bound to the service. Just make 1295 // sure we trigger off processing the first request. 1296 if (idx == 0) { 1297 mHandler.sendEmptyMessage(MCS_BOUND); 1298 } 1299 } 1300 break; 1301 } 1302 case MCS_BOUND: { 1303 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1304 if (msg.obj != null) { 1305 mContainerService = (IMediaContainerService) msg.obj; 1306 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1307 System.identityHashCode(mHandler)); 1308 } 1309 if (mContainerService == null) { 1310 if (!mBound) { 1311 // Something seriously wrong since we are not bound and we are not 1312 // waiting for connection. Bail out. 1313 Slog.e(TAG, "Cannot bind to media container service"); 1314 for (HandlerParams params : mPendingInstalls) { 1315 // Indicate service bind error 1316 params.serviceError(); 1317 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1318 System.identityHashCode(params)); 1319 if (params.traceMethod != null) { 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1321 params.traceMethod, params.traceCookie); 1322 } 1323 return; 1324 } 1325 mPendingInstalls.clear(); 1326 } else { 1327 Slog.w(TAG, "Waiting to connect to media container service"); 1328 } 1329 } else if (mPendingInstalls.size() > 0) { 1330 HandlerParams params = mPendingInstalls.get(0); 1331 if (params != null) { 1332 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1333 System.identityHashCode(params)); 1334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1335 if (params.startCopy()) { 1336 // We are done... look for more work or to 1337 // go idle. 1338 if (DEBUG_SD_INSTALL) Log.i(TAG, 1339 "Checking for more work or unbind..."); 1340 // Delete pending install 1341 if (mPendingInstalls.size() > 0) { 1342 mPendingInstalls.remove(0); 1343 } 1344 if (mPendingInstalls.size() == 0) { 1345 if (mBound) { 1346 if (DEBUG_SD_INSTALL) Log.i(TAG, 1347 "Posting delayed MCS_UNBIND"); 1348 removeMessages(MCS_UNBIND); 1349 Message ubmsg = obtainMessage(MCS_UNBIND); 1350 // Unbind after a little delay, to avoid 1351 // continual thrashing. 1352 sendMessageDelayed(ubmsg, 10000); 1353 } 1354 } else { 1355 // There are more pending requests in queue. 1356 // Just post MCS_BOUND message to trigger processing 1357 // of next pending install. 1358 if (DEBUG_SD_INSTALL) Log.i(TAG, 1359 "Posting MCS_BOUND for next work"); 1360 mHandler.sendEmptyMessage(MCS_BOUND); 1361 } 1362 } 1363 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1364 } 1365 } else { 1366 // Should never happen ideally. 1367 Slog.w(TAG, "Empty queue"); 1368 } 1369 break; 1370 } 1371 case MCS_RECONNECT: { 1372 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1373 if (mPendingInstalls.size() > 0) { 1374 if (mBound) { 1375 disconnectService(); 1376 } 1377 if (!connectToService()) { 1378 Slog.e(TAG, "Failed to bind to media container service"); 1379 for (HandlerParams params : mPendingInstalls) { 1380 // Indicate service bind error 1381 params.serviceError(); 1382 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1383 System.identityHashCode(params)); 1384 } 1385 mPendingInstalls.clear(); 1386 } 1387 } 1388 break; 1389 } 1390 case MCS_UNBIND: { 1391 // If there is no actual work left, then time to unbind. 1392 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1393 1394 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1395 if (mBound) { 1396 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1397 1398 disconnectService(); 1399 } 1400 } else if (mPendingInstalls.size() > 0) { 1401 // There are more pending requests in queue. 1402 // Just post MCS_BOUND message to trigger processing 1403 // of next pending install. 1404 mHandler.sendEmptyMessage(MCS_BOUND); 1405 } 1406 1407 break; 1408 } 1409 case MCS_GIVE_UP: { 1410 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1411 HandlerParams params = mPendingInstalls.remove(0); 1412 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1413 System.identityHashCode(params)); 1414 break; 1415 } 1416 case SEND_PENDING_BROADCAST: { 1417 String packages[]; 1418 ArrayList<String> components[]; 1419 int size = 0; 1420 int uids[]; 1421 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1422 synchronized (mPackages) { 1423 if (mPendingBroadcasts == null) { 1424 return; 1425 } 1426 size = mPendingBroadcasts.size(); 1427 if (size <= 0) { 1428 // Nothing to be done. Just return 1429 return; 1430 } 1431 packages = new String[size]; 1432 components = new ArrayList[size]; 1433 uids = new int[size]; 1434 int i = 0; // filling out the above arrays 1435 1436 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1437 int packageUserId = mPendingBroadcasts.userIdAt(n); 1438 Iterator<Map.Entry<String, ArrayList<String>>> it 1439 = mPendingBroadcasts.packagesForUserId(packageUserId) 1440 .entrySet().iterator(); 1441 while (it.hasNext() && i < size) { 1442 Map.Entry<String, ArrayList<String>> ent = it.next(); 1443 packages[i] = ent.getKey(); 1444 components[i] = ent.getValue(); 1445 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1446 uids[i] = (ps != null) 1447 ? UserHandle.getUid(packageUserId, ps.appId) 1448 : -1; 1449 i++; 1450 } 1451 } 1452 size = i; 1453 mPendingBroadcasts.clear(); 1454 } 1455 // Send broadcasts 1456 for (int i = 0; i < size; i++) { 1457 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1458 } 1459 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1460 break; 1461 } 1462 case START_CLEANING_PACKAGE: { 1463 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1464 final String packageName = (String)msg.obj; 1465 final int userId = msg.arg1; 1466 final boolean andCode = msg.arg2 != 0; 1467 synchronized (mPackages) { 1468 if (userId == UserHandle.USER_ALL) { 1469 int[] users = sUserManager.getUserIds(); 1470 for (int user : users) { 1471 mSettings.addPackageToCleanLPw( 1472 new PackageCleanItem(user, packageName, andCode)); 1473 } 1474 } else { 1475 mSettings.addPackageToCleanLPw( 1476 new PackageCleanItem(userId, packageName, andCode)); 1477 } 1478 } 1479 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1480 startCleaningPackages(); 1481 } break; 1482 case POST_INSTALL: { 1483 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1484 1485 PostInstallData data = mRunningInstalls.get(msg.arg1); 1486 final boolean didRestore = (msg.arg2 != 0); 1487 mRunningInstalls.delete(msg.arg1); 1488 1489 if (data != null) { 1490 InstallArgs args = data.args; 1491 PackageInstalledInfo parentRes = data.res; 1492 1493 final boolean grantPermissions = (args.installFlags 1494 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1495 final boolean killApp = (args.installFlags 1496 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1497 final String[] grantedPermissions = args.installGrantPermissions; 1498 1499 // Handle the parent package 1500 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1501 grantedPermissions, didRestore, args.installerPackageName, 1502 args.observer); 1503 1504 // Handle the child packages 1505 final int childCount = (parentRes.addedChildPackages != null) 1506 ? parentRes.addedChildPackages.size() : 0; 1507 for (int i = 0; i < childCount; i++) { 1508 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1509 handlePackagePostInstall(childRes, grantPermissions, killApp, 1510 grantedPermissions, false, args.installerPackageName, 1511 args.observer); 1512 } 1513 1514 // Log tracing if needed 1515 if (args.traceMethod != null) { 1516 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1517 args.traceCookie); 1518 } 1519 } else { 1520 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1521 } 1522 1523 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1524 } break; 1525 case UPDATED_MEDIA_STATUS: { 1526 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1527 boolean reportStatus = msg.arg1 == 1; 1528 boolean doGc = msg.arg2 == 1; 1529 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1530 if (doGc) { 1531 // Force a gc to clear up stale containers. 1532 Runtime.getRuntime().gc(); 1533 } 1534 if (msg.obj != null) { 1535 @SuppressWarnings("unchecked") 1536 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1537 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1538 // Unload containers 1539 unloadAllContainers(args); 1540 } 1541 if (reportStatus) { 1542 try { 1543 if (DEBUG_SD_INSTALL) Log.i(TAG, 1544 "Invoking StorageManagerService call back"); 1545 PackageHelper.getStorageManager().finishMediaUpdate(); 1546 } catch (RemoteException e) { 1547 Log.e(TAG, "StorageManagerService not running?"); 1548 } 1549 } 1550 } break; 1551 case WRITE_SETTINGS: { 1552 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1553 synchronized (mPackages) { 1554 removeMessages(WRITE_SETTINGS); 1555 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1556 mSettings.writeLPr(); 1557 mDirtyUsers.clear(); 1558 } 1559 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1560 } break; 1561 case WRITE_PACKAGE_RESTRICTIONS: { 1562 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1563 synchronized (mPackages) { 1564 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1565 for (int userId : mDirtyUsers) { 1566 mSettings.writePackageRestrictionsLPr(userId); 1567 } 1568 mDirtyUsers.clear(); 1569 } 1570 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1571 } break; 1572 case WRITE_PACKAGE_LIST: { 1573 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1574 synchronized (mPackages) { 1575 removeMessages(WRITE_PACKAGE_LIST); 1576 mSettings.writePackageListLPr(msg.arg1); 1577 } 1578 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1579 } break; 1580 case CHECK_PENDING_VERIFICATION: { 1581 final int verificationId = msg.arg1; 1582 final PackageVerificationState state = mPendingVerification.get(verificationId); 1583 1584 if ((state != null) && !state.timeoutExtended()) { 1585 final InstallArgs args = state.getInstallArgs(); 1586 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1587 1588 Slog.i(TAG, "Verification timed out for " + originUri); 1589 mPendingVerification.remove(verificationId); 1590 1591 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1592 1593 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1594 Slog.i(TAG, "Continuing with installation of " + originUri); 1595 state.setVerifierResponse(Binder.getCallingUid(), 1596 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1597 broadcastPackageVerified(verificationId, originUri, 1598 PackageManager.VERIFICATION_ALLOW, 1599 state.getInstallArgs().getUser()); 1600 try { 1601 ret = args.copyApk(mContainerService, true); 1602 } catch (RemoteException e) { 1603 Slog.e(TAG, "Could not contact the ContainerService"); 1604 } 1605 } else { 1606 broadcastPackageVerified(verificationId, originUri, 1607 PackageManager.VERIFICATION_REJECT, 1608 state.getInstallArgs().getUser()); 1609 } 1610 1611 Trace.asyncTraceEnd( 1612 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1613 1614 processPendingInstall(args, ret); 1615 mHandler.sendEmptyMessage(MCS_UNBIND); 1616 } 1617 break; 1618 } 1619 case PACKAGE_VERIFIED: { 1620 final int verificationId = msg.arg1; 1621 1622 final PackageVerificationState state = mPendingVerification.get(verificationId); 1623 if (state == null) { 1624 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1625 break; 1626 } 1627 1628 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1629 1630 state.setVerifierResponse(response.callerUid, response.code); 1631 1632 if (state.isVerificationComplete()) { 1633 mPendingVerification.remove(verificationId); 1634 1635 final InstallArgs args = state.getInstallArgs(); 1636 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1637 1638 int ret; 1639 if (state.isInstallAllowed()) { 1640 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1641 broadcastPackageVerified(verificationId, originUri, 1642 response.code, state.getInstallArgs().getUser()); 1643 try { 1644 ret = args.copyApk(mContainerService, true); 1645 } catch (RemoteException e) { 1646 Slog.e(TAG, "Could not contact the ContainerService"); 1647 } 1648 } else { 1649 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1650 } 1651 1652 Trace.asyncTraceEnd( 1653 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1654 1655 processPendingInstall(args, ret); 1656 mHandler.sendEmptyMessage(MCS_UNBIND); 1657 } 1658 1659 break; 1660 } 1661 case START_INTENT_FILTER_VERIFICATIONS: { 1662 IFVerificationParams params = (IFVerificationParams) msg.obj; 1663 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1664 params.replacing, params.pkg); 1665 break; 1666 } 1667 case INTENT_FILTER_VERIFIED: { 1668 final int verificationId = msg.arg1; 1669 1670 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1671 verificationId); 1672 if (state == null) { 1673 Slog.w(TAG, "Invalid IntentFilter verification token " 1674 + verificationId + " received"); 1675 break; 1676 } 1677 1678 final int userId = state.getUserId(); 1679 1680 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1681 "Processing IntentFilter verification with token:" 1682 + verificationId + " and userId:" + userId); 1683 1684 final IntentFilterVerificationResponse response = 1685 (IntentFilterVerificationResponse) msg.obj; 1686 1687 state.setVerifierResponse(response.callerUid, response.code); 1688 1689 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1690 "IntentFilter verification with token:" + verificationId 1691 + " and userId:" + userId 1692 + " is settings verifier response with response code:" 1693 + response.code); 1694 1695 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1696 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1697 + response.getFailedDomainsString()); 1698 } 1699 1700 if (state.isVerificationComplete()) { 1701 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1702 } else { 1703 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1704 "IntentFilter verification with token:" + verificationId 1705 + " was not said to be complete"); 1706 } 1707 1708 break; 1709 } 1710 case EPHEMERAL_RESOLUTION_PHASE_TWO: { 1711 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1712 mEphemeralResolverConnection, 1713 (EphemeralRequest) msg.obj, 1714 mEphemeralInstallerActivity, 1715 mHandler); 1716 } 1717 } 1718 } 1719 } 1720 1721 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1722 boolean killApp, String[] grantedPermissions, 1723 boolean launchedForRestore, String installerPackage, 1724 IPackageInstallObserver2 installObserver) { 1725 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1726 // Send the removed broadcasts 1727 if (res.removedInfo != null) { 1728 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1729 } 1730 1731 // Now that we successfully installed the package, grant runtime 1732 // permissions if requested before broadcasting the install. Also 1733 // for legacy apps in permission review mode we clear the permission 1734 // review flag which is used to emulate runtime permissions for 1735 // legacy apps. 1736 if (grantPermissions) { 1737 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1738 } 1739 1740 final boolean update = res.removedInfo != null 1741 && res.removedInfo.removedPackage != null; 1742 1743 // If this is the first time we have child packages for a disabled privileged 1744 // app that had no children, we grant requested runtime permissions to the new 1745 // children if the parent on the system image had them already granted. 1746 if (res.pkg.parentPackage != null) { 1747 synchronized (mPackages) { 1748 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1749 } 1750 } 1751 1752 synchronized (mPackages) { 1753 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1754 } 1755 1756 final String packageName = res.pkg.applicationInfo.packageName; 1757 1758 // Determine the set of users who are adding this package for 1759 // the first time vs. those who are seeing an update. 1760 int[] firstUsers = EMPTY_INT_ARRAY; 1761 int[] updateUsers = EMPTY_INT_ARRAY; 1762 if (res.origUsers == null || res.origUsers.length == 0) { 1763 firstUsers = res.newUsers; 1764 } else { 1765 for (int newUser : res.newUsers) { 1766 boolean isNew = true; 1767 for (int origUser : res.origUsers) { 1768 if (origUser == newUser) { 1769 isNew = false; 1770 break; 1771 } 1772 } 1773 if (isNew) { 1774 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1775 } else { 1776 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1777 } 1778 } 1779 } 1780 1781 // Send installed broadcasts if the install/update is not ephemeral 1782 // and the package is not a static shared lib. 1783 if (!isEphemeral(res.pkg) && res.pkg.staticSharedLibName == null) { 1784 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1785 1786 // Send added for users that see the package for the first time 1787 // sendPackageAddedForNewUsers also deals with system apps 1788 int appId = UserHandle.getAppId(res.uid); 1789 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1790 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1791 1792 // Send added for users that don't see the package for the first time 1793 Bundle extras = new Bundle(1); 1794 extras.putInt(Intent.EXTRA_UID, res.uid); 1795 if (update) { 1796 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1797 } 1798 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1799 extras, 0 /*flags*/, null /*targetPackage*/, 1800 null /*finishedReceiver*/, updateUsers); 1801 1802 // Send replaced for users that don't see the package for the first time 1803 if (update) { 1804 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1805 packageName, extras, 0 /*flags*/, 1806 null /*targetPackage*/, null /*finishedReceiver*/, 1807 updateUsers); 1808 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1809 null /*package*/, null /*extras*/, 0 /*flags*/, 1810 packageName /*targetPackage*/, 1811 null /*finishedReceiver*/, updateUsers); 1812 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1813 // First-install and we did a restore, so we're responsible for the 1814 // first-launch broadcast. 1815 if (DEBUG_BACKUP) { 1816 Slog.i(TAG, "Post-restore of " + packageName 1817 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1818 } 1819 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1820 } 1821 1822 // Send broadcast package appeared if forward locked/external for all users 1823 // treat asec-hosted packages like removable media on upgrade 1824 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1825 if (DEBUG_INSTALL) { 1826 Slog.i(TAG, "upgrading pkg " + res.pkg 1827 + " is ASEC-hosted -> AVAILABLE"); 1828 } 1829 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1830 ArrayList<String> pkgList = new ArrayList<>(1); 1831 pkgList.add(packageName); 1832 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1833 } 1834 } 1835 1836 // Work that needs to happen on first install within each user 1837 if (firstUsers != null && firstUsers.length > 0) { 1838 synchronized (mPackages) { 1839 for (int userId : firstUsers) { 1840 // If this app is a browser and it's newly-installed for some 1841 // users, clear any default-browser state in those users. The 1842 // app's nature doesn't depend on the user, so we can just check 1843 // its browser nature in any user and generalize. 1844 if (packageIsBrowser(packageName, userId)) { 1845 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1846 } 1847 1848 // We may also need to apply pending (restored) runtime 1849 // permission grants within these users. 1850 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1851 } 1852 } 1853 } 1854 1855 // Log current value of "unknown sources" setting 1856 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1857 getUnknownSourcesSettings()); 1858 1859 // Force a gc to clear up things 1860 Runtime.getRuntime().gc(); 1861 1862 // Remove the replaced package's older resources safely now 1863 // We delete after a gc for applications on sdcard. 1864 if (res.removedInfo != null && res.removedInfo.args != null) { 1865 synchronized (mInstallLock) { 1866 res.removedInfo.args.doPostDeleteLI(true); 1867 } 1868 } 1869 1870 if (!isEphemeral(res.pkg)) { 1871 // Notify DexManager that the package was installed for new users. 1872 // The updated users should already be indexed and the package code paths 1873 // should not change. 1874 // Don't notify the manager for ephemeral apps as they are not expected to 1875 // survive long enough to benefit of background optimizations. 1876 for (int userId : firstUsers) { 1877 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1878 mDexManager.notifyPackageInstalled(info, userId); 1879 } 1880 } 1881 } 1882 1883 // If someone is watching installs - notify them 1884 if (installObserver != null) { 1885 try { 1886 Bundle extras = extrasForInstallResult(res); 1887 installObserver.onPackageInstalled(res.name, res.returnCode, 1888 res.returnMsg, extras); 1889 } catch (RemoteException e) { 1890 Slog.i(TAG, "Observer no longer exists."); 1891 } 1892 } 1893 } 1894 1895 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1896 PackageParser.Package pkg) { 1897 if (pkg.parentPackage == null) { 1898 return; 1899 } 1900 if (pkg.requestedPermissions == null) { 1901 return; 1902 } 1903 final PackageSetting disabledSysParentPs = mSettings 1904 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1905 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1906 || !disabledSysParentPs.isPrivileged() 1907 || (disabledSysParentPs.childPackageNames != null 1908 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1909 return; 1910 } 1911 final int[] allUserIds = sUserManager.getUserIds(); 1912 final int permCount = pkg.requestedPermissions.size(); 1913 for (int i = 0; i < permCount; i++) { 1914 String permission = pkg.requestedPermissions.get(i); 1915 BasePermission bp = mSettings.mPermissions.get(permission); 1916 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1917 continue; 1918 } 1919 for (int userId : allUserIds) { 1920 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1921 permission, userId)) { 1922 grantRuntimePermission(pkg.packageName, permission, userId); 1923 } 1924 } 1925 } 1926 } 1927 1928 private StorageEventListener mStorageListener = new StorageEventListener() { 1929 @Override 1930 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1931 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1932 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1933 final String volumeUuid = vol.getFsUuid(); 1934 1935 // Clean up any users or apps that were removed or recreated 1936 // while this volume was missing 1937 reconcileUsers(volumeUuid); 1938 reconcileApps(volumeUuid); 1939 1940 // Clean up any install sessions that expired or were 1941 // cancelled while this volume was missing 1942 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1943 1944 loadPrivatePackages(vol); 1945 1946 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1947 unloadPrivatePackages(vol); 1948 } 1949 } 1950 1951 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1952 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1953 updateExternalMediaStatus(true, false); 1954 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1955 updateExternalMediaStatus(false, false); 1956 } 1957 } 1958 } 1959 1960 @Override 1961 public void onVolumeForgotten(String fsUuid) { 1962 if (TextUtils.isEmpty(fsUuid)) { 1963 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1964 return; 1965 } 1966 1967 // Remove any apps installed on the forgotten volume 1968 synchronized (mPackages) { 1969 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1970 for (PackageSetting ps : packages) { 1971 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1972 deletePackageVersioned(new VersionedPackage(ps.name, 1973 PackageManager.VERSION_CODE_HIGHEST), 1974 new LegacyPackageDeleteObserver(null).getBinder(), 1975 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1976 // Try very hard to release any references to this package 1977 // so we don't risk the system server being killed due to 1978 // open FDs 1979 AttributeCache.instance().removePackage(ps.name); 1980 } 1981 1982 mSettings.onVolumeForgotten(fsUuid); 1983 mSettings.writeLPr(); 1984 } 1985 } 1986 }; 1987 1988 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1989 String[] grantedPermissions) { 1990 for (int userId : userIds) { 1991 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1992 } 1993 } 1994 1995 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1996 String[] grantedPermissions) { 1997 SettingBase sb = (SettingBase) pkg.mExtras; 1998 if (sb == null) { 1999 return; 2000 } 2001 2002 PermissionsState permissionsState = sb.getPermissionsState(); 2003 2004 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2005 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2006 2007 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2008 >= Build.VERSION_CODES.M; 2009 2010 for (String permission : pkg.requestedPermissions) { 2011 final BasePermission bp; 2012 synchronized (mPackages) { 2013 bp = mSettings.mPermissions.get(permission); 2014 } 2015 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2016 && (grantedPermissions == null 2017 || ArrayUtils.contains(grantedPermissions, permission))) { 2018 final int flags = permissionsState.getPermissionFlags(permission, userId); 2019 if (supportsRuntimePermissions) { 2020 // Installer cannot change immutable permissions. 2021 if ((flags & immutableFlags) == 0) { 2022 grantRuntimePermission(pkg.packageName, permission, userId); 2023 } 2024 } else if (mPermissionReviewRequired) { 2025 // In permission review mode we clear the review flag when we 2026 // are asked to install the app with all permissions granted. 2027 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2028 updatePermissionFlags(permission, pkg.packageName, 2029 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2030 } 2031 } 2032 } 2033 } 2034 } 2035 2036 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2037 Bundle extras = null; 2038 switch (res.returnCode) { 2039 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2040 extras = new Bundle(); 2041 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2042 res.origPermission); 2043 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2044 res.origPackage); 2045 break; 2046 } 2047 case PackageManager.INSTALL_SUCCEEDED: { 2048 extras = new Bundle(); 2049 extras.putBoolean(Intent.EXTRA_REPLACING, 2050 res.removedInfo != null && res.removedInfo.removedPackage != null); 2051 break; 2052 } 2053 } 2054 return extras; 2055 } 2056 2057 void scheduleWriteSettingsLocked() { 2058 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2059 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2060 } 2061 } 2062 2063 void scheduleWritePackageListLocked(int userId) { 2064 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2065 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2066 msg.arg1 = userId; 2067 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2068 } 2069 } 2070 2071 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2072 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2073 scheduleWritePackageRestrictionsLocked(userId); 2074 } 2075 2076 void scheduleWritePackageRestrictionsLocked(int userId) { 2077 final int[] userIds = (userId == UserHandle.USER_ALL) 2078 ? sUserManager.getUserIds() : new int[]{userId}; 2079 for (int nextUserId : userIds) { 2080 if (!sUserManager.exists(nextUserId)) return; 2081 mDirtyUsers.add(nextUserId); 2082 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2083 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2084 } 2085 } 2086 } 2087 2088 public static PackageManagerService main(Context context, Installer installer, 2089 boolean factoryTest, boolean onlyCore) { 2090 // Self-check for initial settings. 2091 PackageManagerServiceCompilerMapping.checkProperties(); 2092 2093 PackageManagerService m = new PackageManagerService(context, installer, 2094 factoryTest, onlyCore); 2095 m.enableSystemUserPackages(); 2096 ServiceManager.addService("package", m); 2097 return m; 2098 } 2099 2100 private void enableSystemUserPackages() { 2101 if (!UserManager.isSplitSystemUser()) { 2102 return; 2103 } 2104 // For system user, enable apps based on the following conditions: 2105 // - app is whitelisted or belong to one of these groups: 2106 // -- system app which has no launcher icons 2107 // -- system app which has INTERACT_ACROSS_USERS permission 2108 // -- system IME app 2109 // - app is not in the blacklist 2110 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2111 Set<String> enableApps = new ArraySet<>(); 2112 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2113 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2114 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2115 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2116 enableApps.addAll(wlApps); 2117 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2118 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2119 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2120 enableApps.removeAll(blApps); 2121 Log.i(TAG, "Applications installed for system user: " + enableApps); 2122 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2123 UserHandle.SYSTEM); 2124 final int allAppsSize = allAps.size(); 2125 synchronized (mPackages) { 2126 for (int i = 0; i < allAppsSize; i++) { 2127 String pName = allAps.get(i); 2128 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2129 // Should not happen, but we shouldn't be failing if it does 2130 if (pkgSetting == null) { 2131 continue; 2132 } 2133 boolean install = enableApps.contains(pName); 2134 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2135 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2136 + " for system user"); 2137 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2138 } 2139 } 2140 } 2141 } 2142 2143 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2144 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2145 Context.DISPLAY_SERVICE); 2146 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2147 } 2148 2149 /** 2150 * Requests that files preopted on a secondary system partition be copied to the data partition 2151 * if possible. Note that the actual copying of the files is accomplished by init for security 2152 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2153 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2154 */ 2155 private static void requestCopyPreoptedFiles() { 2156 final int WAIT_TIME_MS = 100; 2157 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2158 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2159 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2160 // We will wait for up to 100 seconds. 2161 final long timeEnd = SystemClock.uptimeMillis() + 100 * 1000; 2162 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2163 try { 2164 Thread.sleep(WAIT_TIME_MS); 2165 } catch (InterruptedException e) { 2166 // Do nothing 2167 } 2168 if (SystemClock.uptimeMillis() > timeEnd) { 2169 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2170 Slog.wtf(TAG, "cppreopt did not finish!"); 2171 break; 2172 } 2173 } 2174 } 2175 } 2176 2177 public PackageManagerService(Context context, Installer installer, 2178 boolean factoryTest, boolean onlyCore) { 2179 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2180 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2181 SystemClock.uptimeMillis()); 2182 2183 if (mSdkVersion <= 0) { 2184 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2185 } 2186 2187 mContext = context; 2188 2189 mPermissionReviewRequired = context.getResources().getBoolean( 2190 R.bool.config_permissionReviewRequired); 2191 2192 mFactoryTest = factoryTest; 2193 mOnlyCore = onlyCore; 2194 mMetrics = new DisplayMetrics(); 2195 mSettings = new Settings(mPackages); 2196 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2197 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2198 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2199 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2200 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2201 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2202 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2203 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2204 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2205 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2206 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2207 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2208 2209 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2210 if (separateProcesses != null && separateProcesses.length() > 0) { 2211 if ("*".equals(separateProcesses)) { 2212 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2213 mSeparateProcesses = null; 2214 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2215 } else { 2216 mDefParseFlags = 0; 2217 mSeparateProcesses = separateProcesses.split(","); 2218 Slog.w(TAG, "Running with debug.separate_processes: " 2219 + separateProcesses); 2220 } 2221 } else { 2222 mDefParseFlags = 0; 2223 mSeparateProcesses = null; 2224 } 2225 2226 mInstaller = installer; 2227 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2228 "*dexopt*"); 2229 mDexManager = new DexManager(); 2230 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2231 2232 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2233 FgThread.get().getLooper()); 2234 2235 getDefaultDisplayMetrics(context, mMetrics); 2236 2237 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2238 SystemConfig systemConfig = SystemConfig.getInstance(); 2239 mGlobalGids = systemConfig.getGlobalGids(); 2240 mSystemPermissions = systemConfig.getSystemPermissions(); 2241 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2242 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2243 2244 mProtectedPackages = new ProtectedPackages(mContext); 2245 2246 synchronized (mInstallLock) { 2247 // writer 2248 synchronized (mPackages) { 2249 mHandlerThread = new ServiceThread(TAG, 2250 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2251 mHandlerThread.start(); 2252 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2253 mProcessLoggingHandler = new ProcessLoggingHandler(); 2254 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2255 2256 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2257 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2258 2259 File dataDir = Environment.getDataDirectory(); 2260 mAppInstallDir = new File(dataDir, "app"); 2261 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2262 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2263 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2264 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2265 2266 sUserManager = new UserManagerService(context, this, mPackages); 2267 2268 // Propagate permission configuration in to package manager. 2269 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2270 = systemConfig.getPermissions(); 2271 for (int i=0; i<permConfig.size(); i++) { 2272 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2273 BasePermission bp = mSettings.mPermissions.get(perm.name); 2274 if (bp == null) { 2275 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2276 mSettings.mPermissions.put(perm.name, bp); 2277 } 2278 if (perm.gids != null) { 2279 bp.setGids(perm.gids, perm.perUser); 2280 } 2281 } 2282 2283 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2284 final int builtInLibCount = libConfig.size(); 2285 for (int i = 0; i < builtInLibCount; i++) { 2286 String name = libConfig.keyAt(i); 2287 String path = libConfig.valueAt(i); 2288 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2289 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2290 } 2291 2292 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2293 2294 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2295 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2296 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2297 2298 // Clean up orphaned packages for which the code path doesn't exist 2299 // and they are an update to a system app - caused by bug/32321269 2300 final int packageSettingCount = mSettings.mPackages.size(); 2301 for (int i = packageSettingCount - 1; i >= 0; i--) { 2302 PackageSetting ps = mSettings.mPackages.valueAt(i); 2303 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2304 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2305 mSettings.mPackages.removeAt(i); 2306 mSettings.enableSystemPackageLPw(ps.name); 2307 } 2308 } 2309 2310 if (mFirstBoot) { 2311 requestCopyPreoptedFiles(); 2312 } 2313 2314 String customResolverActivity = Resources.getSystem().getString( 2315 R.string.config_customResolverActivity); 2316 if (TextUtils.isEmpty(customResolverActivity)) { 2317 customResolverActivity = null; 2318 } else { 2319 mCustomResolverComponentName = ComponentName.unflattenFromString( 2320 customResolverActivity); 2321 } 2322 2323 long startTime = SystemClock.uptimeMillis(); 2324 2325 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2326 startTime); 2327 2328 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2329 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2330 2331 if (bootClassPath == null) { 2332 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2333 } 2334 2335 if (systemServerClassPath == null) { 2336 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2337 } 2338 2339 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2340 final String[] dexCodeInstructionSets = 2341 getDexCodeInstructionSets( 2342 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2343 2344 /** 2345 * Ensure all external libraries have had dexopt run on them. 2346 */ 2347 if (mSharedLibraries.size() > 0) { 2348 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2349 // NOTE: For now, we're compiling these system "shared libraries" 2350 // (and framework jars) into all available architectures. It's possible 2351 // to compile them only when we come across an app that uses them (there's 2352 // already logic for that in scanPackageLI) but that adds some complexity. 2353 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2354 final int libCount = mSharedLibraries.size(); 2355 for (int i = 0; i < libCount; i++) { 2356 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2357 final int versionCount = versionedLib.size(); 2358 for (int j = 0; j < versionCount; j++) { 2359 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2360 final String libPath = libEntry.path != null 2361 ? libEntry.path : libEntry.apk; 2362 if (libPath == null) { 2363 continue; 2364 } 2365 try { 2366 // Shared libraries do not have profiles so we perform a full 2367 // AOT compilation (if needed). 2368 int dexoptNeeded = DexFile.getDexOptNeeded( 2369 libPath, dexCodeInstructionSet, 2370 getCompilerFilterForReason(REASON_SHARED_APK), 2371 false /* newProfile */); 2372 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2373 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2374 dexCodeInstructionSet, dexoptNeeded, null, 2375 DEXOPT_PUBLIC, 2376 getCompilerFilterForReason(REASON_SHARED_APK), 2377 StorageManager.UUID_PRIVATE_INTERNAL, 2378 SKIP_SHARED_LIBRARY_CHECK); 2379 } 2380 } catch (FileNotFoundException e) { 2381 Slog.w(TAG, "Library not found: " + libPath); 2382 } catch (IOException | InstallerException e) { 2383 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2384 + e.getMessage()); 2385 } 2386 } 2387 } 2388 } 2389 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2390 } 2391 2392 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2393 2394 final VersionInfo ver = mSettings.getInternalVersion(); 2395 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2396 2397 // when upgrading from pre-M, promote system app permissions from install to runtime 2398 mPromoteSystemApps = 2399 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2400 2401 // When upgrading from pre-N, we need to handle package extraction like first boot, 2402 // as there is no profiling data available. 2403 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2404 2405 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2406 2407 // save off the names of pre-existing system packages prior to scanning; we don't 2408 // want to automatically grant runtime permissions for new system apps 2409 if (mPromoteSystemApps) { 2410 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2411 while (pkgSettingIter.hasNext()) { 2412 PackageSetting ps = pkgSettingIter.next(); 2413 if (isSystemApp(ps)) { 2414 mExistingSystemPackages.add(ps.name); 2415 } 2416 } 2417 } 2418 2419 mCacheDir = preparePackageParserCache(mIsUpgrade); 2420 2421 // Set flag to monitor and not change apk file paths when 2422 // scanning install directories. 2423 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2424 2425 if (mIsUpgrade || mFirstBoot) { 2426 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2427 } 2428 2429 // Collect vendor overlay packages. (Do this before scanning any apps.) 2430 // For security and version matching reason, only consider 2431 // overlay packages if they reside in the right directory. 2432 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2433 if (overlayThemeDir.isEmpty()) { 2434 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2435 } 2436 if (!overlayThemeDir.isEmpty()) { 2437 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2438 | PackageParser.PARSE_IS_SYSTEM 2439 | PackageParser.PARSE_IS_SYSTEM_DIR 2440 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2441 } 2442 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2443 | PackageParser.PARSE_IS_SYSTEM 2444 | PackageParser.PARSE_IS_SYSTEM_DIR 2445 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2446 2447 // Find base frameworks (resource packages without code). 2448 scanDirTracedLI(frameworkDir, mDefParseFlags 2449 | PackageParser.PARSE_IS_SYSTEM 2450 | PackageParser.PARSE_IS_SYSTEM_DIR 2451 | PackageParser.PARSE_IS_PRIVILEGED, 2452 scanFlags | SCAN_NO_DEX, 0); 2453 2454 // Collected privileged system packages. 2455 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2456 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2457 | PackageParser.PARSE_IS_SYSTEM 2458 | PackageParser.PARSE_IS_SYSTEM_DIR 2459 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2460 2461 // Collect ordinary system packages. 2462 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2463 scanDirTracedLI(systemAppDir, mDefParseFlags 2464 | PackageParser.PARSE_IS_SYSTEM 2465 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2466 2467 // Collect all vendor packages. 2468 File vendorAppDir = new File("/vendor/app"); 2469 try { 2470 vendorAppDir = vendorAppDir.getCanonicalFile(); 2471 } catch (IOException e) { 2472 // failed to look up canonical path, continue with original one 2473 } 2474 scanDirTracedLI(vendorAppDir, mDefParseFlags 2475 | PackageParser.PARSE_IS_SYSTEM 2476 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2477 2478 // Collect all OEM packages. 2479 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2480 scanDirTracedLI(oemAppDir, mDefParseFlags 2481 | PackageParser.PARSE_IS_SYSTEM 2482 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2483 2484 // Prune any system packages that no longer exist. 2485 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2486 if (!mOnlyCore) { 2487 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2488 while (psit.hasNext()) { 2489 PackageSetting ps = psit.next(); 2490 2491 /* 2492 * If this is not a system app, it can't be a 2493 * disable system app. 2494 */ 2495 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2496 continue; 2497 } 2498 2499 /* 2500 * If the package is scanned, it's not erased. 2501 */ 2502 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2503 if (scannedPkg != null) { 2504 /* 2505 * If the system app is both scanned and in the 2506 * disabled packages list, then it must have been 2507 * added via OTA. Remove it from the currently 2508 * scanned package so the previously user-installed 2509 * application can be scanned. 2510 */ 2511 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2512 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2513 + ps.name + "; removing system app. Last known codePath=" 2514 + ps.codePathString + ", installStatus=" + ps.installStatus 2515 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2516 + scannedPkg.mVersionCode); 2517 removePackageLI(scannedPkg, true); 2518 mExpectingBetter.put(ps.name, ps.codePath); 2519 } 2520 2521 continue; 2522 } 2523 2524 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2525 psit.remove(); 2526 logCriticalInfo(Log.WARN, "System package " + ps.name 2527 + " no longer exists; it's data will be wiped"); 2528 // Actual deletion of code and data will be handled by later 2529 // reconciliation step 2530 } else { 2531 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2532 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2533 possiblyDeletedUpdatedSystemApps.add(ps.name); 2534 } 2535 } 2536 } 2537 } 2538 2539 //look for any incomplete package installations 2540 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2541 for (int i = 0; i < deletePkgsList.size(); i++) { 2542 // Actual deletion of code and data will be handled by later 2543 // reconciliation step 2544 final String packageName = deletePkgsList.get(i).name; 2545 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2546 synchronized (mPackages) { 2547 mSettings.removePackageLPw(packageName); 2548 } 2549 } 2550 2551 //delete tmp files 2552 deleteTempPackageFiles(); 2553 2554 // Remove any shared userIDs that have no associated packages 2555 mSettings.pruneSharedUsersLPw(); 2556 2557 if (!mOnlyCore) { 2558 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2559 SystemClock.uptimeMillis()); 2560 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2561 2562 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2563 | PackageParser.PARSE_FORWARD_LOCK, 2564 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2565 2566 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2567 | PackageParser.PARSE_IS_EPHEMERAL, 2568 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2569 2570 /** 2571 * Remove disable package settings for any updated system 2572 * apps that were removed via an OTA. If they're not a 2573 * previously-updated app, remove them completely. 2574 * Otherwise, just revoke their system-level permissions. 2575 */ 2576 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2577 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2578 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2579 2580 String msg; 2581 if (deletedPkg == null) { 2582 msg = "Updated system package " + deletedAppName 2583 + " no longer exists; it's data will be wiped"; 2584 // Actual deletion of code and data will be handled by later 2585 // reconciliation step 2586 } else { 2587 msg = "Updated system app + " + deletedAppName 2588 + " no longer present; removing system privileges for " 2589 + deletedAppName; 2590 2591 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2592 2593 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2594 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2595 } 2596 logCriticalInfo(Log.WARN, msg); 2597 } 2598 2599 /** 2600 * Make sure all system apps that we expected to appear on 2601 * the userdata partition actually showed up. If they never 2602 * appeared, crawl back and revive the system version. 2603 */ 2604 for (int i = 0; i < mExpectingBetter.size(); i++) { 2605 final String packageName = mExpectingBetter.keyAt(i); 2606 if (!mPackages.containsKey(packageName)) { 2607 final File scanFile = mExpectingBetter.valueAt(i); 2608 2609 logCriticalInfo(Log.WARN, "Expected better " + packageName 2610 + " but never showed up; reverting to system"); 2611 2612 int reparseFlags = mDefParseFlags; 2613 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2614 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2615 | PackageParser.PARSE_IS_SYSTEM_DIR 2616 | PackageParser.PARSE_IS_PRIVILEGED; 2617 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2618 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2619 | PackageParser.PARSE_IS_SYSTEM_DIR; 2620 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2621 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2622 | PackageParser.PARSE_IS_SYSTEM_DIR; 2623 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2624 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2625 | PackageParser.PARSE_IS_SYSTEM_DIR; 2626 } else { 2627 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2628 continue; 2629 } 2630 2631 mSettings.enableSystemPackageLPw(packageName); 2632 2633 try { 2634 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2635 } catch (PackageManagerException e) { 2636 Slog.e(TAG, "Failed to parse original system package: " 2637 + e.getMessage()); 2638 } 2639 } 2640 } 2641 } 2642 mExpectingBetter.clear(); 2643 2644 // Resolve the storage manager. 2645 mStorageManagerPackage = getStorageManagerPackageName(); 2646 2647 // Resolve protected action filters. Only the setup wizard is allowed to 2648 // have a high priority filter for these actions. 2649 mSetupWizardPackage = getSetupWizardPackageName(); 2650 if (mProtectedFilters.size() > 0) { 2651 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2652 Slog.i(TAG, "No setup wizard;" 2653 + " All protected intents capped to priority 0"); 2654 } 2655 for (ActivityIntentInfo filter : mProtectedFilters) { 2656 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2657 if (DEBUG_FILTERS) { 2658 Slog.i(TAG, "Found setup wizard;" 2659 + " allow priority " + filter.getPriority() + ";" 2660 + " package: " + filter.activity.info.packageName 2661 + " activity: " + filter.activity.className 2662 + " priority: " + filter.getPriority()); 2663 } 2664 // skip setup wizard; allow it to keep the high priority filter 2665 continue; 2666 } 2667 Slog.w(TAG, "Protected action; cap priority to 0;" 2668 + " package: " + filter.activity.info.packageName 2669 + " activity: " + filter.activity.className 2670 + " origPrio: " + filter.getPriority()); 2671 filter.setPriority(0); 2672 } 2673 } 2674 mDeferProtectedFilters = false; 2675 mProtectedFilters.clear(); 2676 2677 // Now that we know all of the shared libraries, update all clients to have 2678 // the correct library paths. 2679 updateAllSharedLibrariesLPw(null); 2680 2681 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2682 // NOTE: We ignore potential failures here during a system scan (like 2683 // the rest of the commands above) because there's precious little we 2684 // can do about it. A settings error is reported, though. 2685 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2686 } 2687 2688 // Now that we know all the packages we are keeping, 2689 // read and update their last usage times. 2690 mPackageUsage.read(mPackages); 2691 mCompilerStats.read(); 2692 2693 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2694 SystemClock.uptimeMillis()); 2695 Slog.i(TAG, "Time to scan packages: " 2696 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2697 + " seconds"); 2698 2699 // If the platform SDK has changed since the last time we booted, 2700 // we need to re-grant app permission to catch any new ones that 2701 // appear. This is really a hack, and means that apps can in some 2702 // cases get permissions that the user didn't initially explicitly 2703 // allow... it would be nice to have some better way to handle 2704 // this situation. 2705 int updateFlags = UPDATE_PERMISSIONS_ALL; 2706 if (ver.sdkVersion != mSdkVersion) { 2707 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2708 + mSdkVersion + "; regranting permissions for internal storage"); 2709 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2710 } 2711 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2712 ver.sdkVersion = mSdkVersion; 2713 2714 // If this is the first boot or an update from pre-M, and it is a normal 2715 // boot, then we need to initialize the default preferred apps across 2716 // all defined users. 2717 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2718 for (UserInfo user : sUserManager.getUsers(true)) { 2719 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2720 applyFactoryDefaultBrowserLPw(user.id); 2721 primeDomainVerificationsLPw(user.id); 2722 } 2723 } 2724 2725 // Prepare storage for system user really early during boot, 2726 // since core system apps like SettingsProvider and SystemUI 2727 // can't wait for user to start 2728 final int storageFlags; 2729 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2730 storageFlags = StorageManager.FLAG_STORAGE_DE; 2731 } else { 2732 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2733 } 2734 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2735 storageFlags, true /* migrateAppData */); 2736 2737 // If this is first boot after an OTA, and a normal boot, then 2738 // we need to clear code cache directories. 2739 // Note that we do *not* clear the application profiles. These remain valid 2740 // across OTAs and are used to drive profile verification (post OTA) and 2741 // profile compilation (without waiting to collect a fresh set of profiles). 2742 if (mIsUpgrade && !onlyCore) { 2743 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2744 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2745 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2746 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2747 // No apps are running this early, so no need to freeze 2748 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2749 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2750 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2751 } 2752 } 2753 ver.fingerprint = Build.FINGERPRINT; 2754 } 2755 2756 checkDefaultBrowser(); 2757 2758 // clear only after permissions and other defaults have been updated 2759 mExistingSystemPackages.clear(); 2760 mPromoteSystemApps = false; 2761 2762 // All the changes are done during package scanning. 2763 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2764 2765 // can downgrade to reader 2766 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2767 mSettings.writeLPr(); 2768 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2769 2770 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2771 // early on (before the package manager declares itself as early) because other 2772 // components in the system server might ask for package contexts for these apps. 2773 // 2774 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2775 // (i.e, that the data partition is unavailable). 2776 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2777 long start = System.nanoTime(); 2778 List<PackageParser.Package> coreApps = new ArrayList<>(); 2779 for (PackageParser.Package pkg : mPackages.values()) { 2780 if (pkg.coreApp) { 2781 coreApps.add(pkg); 2782 } 2783 } 2784 2785 int[] stats = performDexOptUpgrade(coreApps, false, 2786 getCompilerFilterForReason(REASON_CORE_APP)); 2787 2788 final int elapsedTimeSeconds = 2789 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2790 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2791 2792 if (DEBUG_DEXOPT) { 2793 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2794 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2795 } 2796 2797 2798 // TODO: Should we log these stats to tron too ? 2799 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2800 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2801 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2802 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2803 } 2804 2805 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2806 SystemClock.uptimeMillis()); 2807 2808 if (!mOnlyCore) { 2809 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2810 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2811 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2812 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2813 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2814 mIntentFilterVerifierComponent); 2815 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2816 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2817 SharedLibraryInfo.VERSION_UNDEFINED); 2818 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2819 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2820 SharedLibraryInfo.VERSION_UNDEFINED); 2821 } else { 2822 mRequiredVerifierPackage = null; 2823 mRequiredInstallerPackage = null; 2824 mRequiredUninstallerPackage = null; 2825 mIntentFilterVerifierComponent = null; 2826 mIntentFilterVerifier = null; 2827 mServicesSystemSharedLibraryPackageName = null; 2828 mSharedSystemSharedLibraryPackageName = null; 2829 } 2830 2831 mInstallerService = new PackageInstallerService(context, this); 2832 2833 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2834 if (ephemeralResolverComponent != null) { 2835 if (DEBUG_EPHEMERAL) { 2836 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2837 } 2838 mEphemeralResolverConnection = 2839 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2840 } else { 2841 mEphemeralResolverConnection = null; 2842 } 2843 mEphemeralInstallerComponent = getEphemeralInstallerLPr(); 2844 if (mEphemeralInstallerComponent != null) { 2845 if (DEBUG_EPHEMERAL) { 2846 Slog.i(TAG, "Ephemeral installer: " + mEphemeralInstallerComponent); 2847 } 2848 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2849 } 2850 2851 // Read and update the usage of dex files. 2852 // Do this at the end of PM init so that all the packages have their 2853 // data directory reconciled. 2854 // At this point we know the code paths of the packages, so we can validate 2855 // the disk file and build the internal cache. 2856 // The usage file is expected to be small so loading and verifying it 2857 // should take a fairly small time compare to the other activities (e.g. package 2858 // scanning). 2859 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2860 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2861 for (int userId : currentUserIds) { 2862 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2863 } 2864 mDexManager.load(userPackages); 2865 } // synchronized (mPackages) 2866 } // synchronized (mInstallLock) 2867 2868 // Now after opening every single application zip, make sure they 2869 // are all flushed. Not really needed, but keeps things nice and 2870 // tidy. 2871 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2872 Runtime.getRuntime().gc(); 2873 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2874 2875 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2876 FallbackCategoryProvider.loadFallbacks(); 2877 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2878 2879 // The initial scanning above does many calls into installd while 2880 // holding the mPackages lock, but we're mostly interested in yelling 2881 // once we have a booted system. 2882 mInstaller.setWarnIfHeld(mPackages); 2883 2884 // Expose private service for system components to use. 2885 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2886 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2887 } 2888 2889 private static File preparePackageParserCache(boolean isUpgrade) { 2890 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2891 return null; 2892 } 2893 2894 // Disable package parsing on eng builds to allow for faster incremental development. 2895 if ("eng".equals(Build.TYPE)) { 2896 return null; 2897 } 2898 2899 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2900 Slog.i(TAG, "Disabling package parser cache due to system property."); 2901 return null; 2902 } 2903 2904 // The base directory for the package parser cache lives under /data/system/. 2905 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2906 "package_cache"); 2907 if (cacheBaseDir == null) { 2908 return null; 2909 } 2910 2911 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2912 // This also serves to "GC" unused entries when the package cache version changes (which 2913 // can only happen during upgrades). 2914 if (isUpgrade) { 2915 FileUtils.deleteContents(cacheBaseDir); 2916 } 2917 2918 2919 // Return the versioned package cache directory. This is something like 2920 // "/data/system/package_cache/1" 2921 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2922 2923 // The following is a workaround to aid development on non-numbered userdebug 2924 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2925 // the system partition is newer. 2926 // 2927 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2928 // that starts with "eng." to signify that this is an engineering build and not 2929 // destined for release. 2930 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2931 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2932 2933 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2934 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2935 // in general and should not be used for production changes. In this specific case, 2936 // we know that they will work. 2937 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2938 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2939 FileUtils.deleteContents(cacheBaseDir); 2940 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2941 } 2942 } 2943 2944 return cacheDir; 2945 } 2946 2947 @Override 2948 public boolean isFirstBoot() { 2949 return mFirstBoot; 2950 } 2951 2952 @Override 2953 public boolean isOnlyCoreApps() { 2954 return mOnlyCore; 2955 } 2956 2957 @Override 2958 public boolean isUpgrade() { 2959 return mIsUpgrade; 2960 } 2961 2962 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2963 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2964 2965 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2966 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2967 UserHandle.USER_SYSTEM); 2968 if (matches.size() == 1) { 2969 return matches.get(0).getComponentInfo().packageName; 2970 } else if (matches.size() == 0) { 2971 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2972 return null; 2973 } 2974 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2975 } 2976 2977 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 2978 synchronized (mPackages) { 2979 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 2980 if (libraryEntry == null) { 2981 throw new IllegalStateException("Missing required shared library:" + name); 2982 } 2983 return libraryEntry.apk; 2984 } 2985 } 2986 2987 private @NonNull String getRequiredInstallerLPr() { 2988 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2989 intent.addCategory(Intent.CATEGORY_DEFAULT); 2990 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2991 2992 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2993 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2994 UserHandle.USER_SYSTEM); 2995 if (matches.size() == 1) { 2996 ResolveInfo resolveInfo = matches.get(0); 2997 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2998 throw new RuntimeException("The installer must be a privileged app"); 2999 } 3000 return matches.get(0).getComponentInfo().packageName; 3001 } else { 3002 throw new RuntimeException("There must be exactly one installer; found " + matches); 3003 } 3004 } 3005 3006 private @NonNull String getRequiredUninstallerLPr() { 3007 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3008 intent.addCategory(Intent.CATEGORY_DEFAULT); 3009 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3010 3011 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3012 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3013 UserHandle.USER_SYSTEM); 3014 if (resolveInfo == null || 3015 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3016 throw new RuntimeException("There must be exactly one uninstaller; found " 3017 + resolveInfo); 3018 } 3019 return resolveInfo.getComponentInfo().packageName; 3020 } 3021 3022 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3023 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3024 3025 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3026 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3027 UserHandle.USER_SYSTEM); 3028 ResolveInfo best = null; 3029 final int N = matches.size(); 3030 for (int i = 0; i < N; i++) { 3031 final ResolveInfo cur = matches.get(i); 3032 final String packageName = cur.getComponentInfo().packageName; 3033 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3034 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3035 continue; 3036 } 3037 3038 if (best == null || cur.priority > best.priority) { 3039 best = cur; 3040 } 3041 } 3042 3043 if (best != null) { 3044 return best.getComponentInfo().getComponentName(); 3045 } else { 3046 throw new RuntimeException("There must be at least one intent filter verifier"); 3047 } 3048 } 3049 3050 private @Nullable ComponentName getEphemeralResolverLPr() { 3051 final String[] packageArray = 3052 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3053 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3054 if (DEBUG_EPHEMERAL) { 3055 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3056 } 3057 return null; 3058 } 3059 3060 final int resolveFlags = 3061 MATCH_DIRECT_BOOT_AWARE 3062 | MATCH_DIRECT_BOOT_UNAWARE 3063 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3064 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3065 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3066 resolveFlags, UserHandle.USER_SYSTEM); 3067 3068 final int N = resolvers.size(); 3069 if (N == 0) { 3070 if (DEBUG_EPHEMERAL) { 3071 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3072 } 3073 return null; 3074 } 3075 3076 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3077 for (int i = 0; i < N; i++) { 3078 final ResolveInfo info = resolvers.get(i); 3079 3080 if (info.serviceInfo == null) { 3081 continue; 3082 } 3083 3084 final String packageName = info.serviceInfo.packageName; 3085 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3086 if (DEBUG_EPHEMERAL) { 3087 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3088 + " pkg: " + packageName + ", info:" + info); 3089 } 3090 continue; 3091 } 3092 3093 if (DEBUG_EPHEMERAL) { 3094 Slog.v(TAG, "Ephemeral resolver found;" 3095 + " pkg: " + packageName + ", info:" + info); 3096 } 3097 return new ComponentName(packageName, info.serviceInfo.name); 3098 } 3099 if (DEBUG_EPHEMERAL) { 3100 Slog.v(TAG, "Ephemeral resolver NOT found"); 3101 } 3102 return null; 3103 } 3104 3105 private @Nullable ComponentName getEphemeralInstallerLPr() { 3106 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3107 intent.addCategory(Intent.CATEGORY_DEFAULT); 3108 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3109 3110 final int resolveFlags = 3111 MATCH_DIRECT_BOOT_AWARE 3112 | MATCH_DIRECT_BOOT_UNAWARE 3113 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3114 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3115 resolveFlags, UserHandle.USER_SYSTEM); 3116 Iterator<ResolveInfo> iter = matches.iterator(); 3117 while (iter.hasNext()) { 3118 final ResolveInfo rInfo = iter.next(); 3119 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3120 if (ps != null) { 3121 final PermissionsState permissionsState = ps.getPermissionsState(); 3122 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3123 continue; 3124 } 3125 } 3126 iter.remove(); 3127 } 3128 if (matches.size() == 0) { 3129 return null; 3130 } else if (matches.size() == 1) { 3131 return matches.get(0).getComponentInfo().getComponentName(); 3132 } else { 3133 throw new RuntimeException( 3134 "There must be at most one ephemeral installer; found " + matches); 3135 } 3136 } 3137 3138 private void primeDomainVerificationsLPw(int userId) { 3139 if (DEBUG_DOMAIN_VERIFICATION) { 3140 Slog.d(TAG, "Priming domain verifications in user " + userId); 3141 } 3142 3143 SystemConfig systemConfig = SystemConfig.getInstance(); 3144 ArraySet<String> packages = systemConfig.getLinkedApps(); 3145 3146 for (String packageName : packages) { 3147 PackageParser.Package pkg = mPackages.get(packageName); 3148 if (pkg != null) { 3149 if (!pkg.isSystemApp()) { 3150 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3151 continue; 3152 } 3153 3154 ArraySet<String> domains = null; 3155 for (PackageParser.Activity a : pkg.activities) { 3156 for (ActivityIntentInfo filter : a.intents) { 3157 if (hasValidDomains(filter)) { 3158 if (domains == null) { 3159 domains = new ArraySet<String>(); 3160 } 3161 domains.addAll(filter.getHostsList()); 3162 } 3163 } 3164 } 3165 3166 if (domains != null && domains.size() > 0) { 3167 if (DEBUG_DOMAIN_VERIFICATION) { 3168 Slog.v(TAG, " + " + packageName); 3169 } 3170 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3171 // state w.r.t. the formal app-linkage "no verification attempted" state; 3172 // and then 'always' in the per-user state actually used for intent resolution. 3173 final IntentFilterVerificationInfo ivi; 3174 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3175 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3176 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3177 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3178 } else { 3179 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3180 + "' does not handle web links"); 3181 } 3182 } else { 3183 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3184 } 3185 } 3186 3187 scheduleWritePackageRestrictionsLocked(userId); 3188 scheduleWriteSettingsLocked(); 3189 } 3190 3191 private void applyFactoryDefaultBrowserLPw(int userId) { 3192 // The default browser app's package name is stored in a string resource, 3193 // with a product-specific overlay used for vendor customization. 3194 String browserPkg = mContext.getResources().getString( 3195 com.android.internal.R.string.default_browser); 3196 if (!TextUtils.isEmpty(browserPkg)) { 3197 // non-empty string => required to be a known package 3198 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3199 if (ps == null) { 3200 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3201 browserPkg = null; 3202 } else { 3203 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3204 } 3205 } 3206 3207 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3208 // default. If there's more than one, just leave everything alone. 3209 if (browserPkg == null) { 3210 calculateDefaultBrowserLPw(userId); 3211 } 3212 } 3213 3214 private void calculateDefaultBrowserLPw(int userId) { 3215 List<String> allBrowsers = resolveAllBrowserApps(userId); 3216 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3217 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3218 } 3219 3220 private List<String> resolveAllBrowserApps(int userId) { 3221 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3222 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3223 PackageManager.MATCH_ALL, userId); 3224 3225 final int count = list.size(); 3226 List<String> result = new ArrayList<String>(count); 3227 for (int i=0; i<count; i++) { 3228 ResolveInfo info = list.get(i); 3229 if (info.activityInfo == null 3230 || !info.handleAllWebDataURI 3231 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3232 || result.contains(info.activityInfo.packageName)) { 3233 continue; 3234 } 3235 result.add(info.activityInfo.packageName); 3236 } 3237 3238 return result; 3239 } 3240 3241 private boolean packageIsBrowser(String packageName, int userId) { 3242 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3243 PackageManager.MATCH_ALL, userId); 3244 final int N = list.size(); 3245 for (int i = 0; i < N; i++) { 3246 ResolveInfo info = list.get(i); 3247 if (packageName.equals(info.activityInfo.packageName)) { 3248 return true; 3249 } 3250 } 3251 return false; 3252 } 3253 3254 private void checkDefaultBrowser() { 3255 final int myUserId = UserHandle.myUserId(); 3256 final String packageName = getDefaultBrowserPackageName(myUserId); 3257 if (packageName != null) { 3258 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3259 if (info == null) { 3260 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3261 synchronized (mPackages) { 3262 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3263 } 3264 } 3265 } 3266 } 3267 3268 @Override 3269 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3270 throws RemoteException { 3271 try { 3272 return super.onTransact(code, data, reply, flags); 3273 } catch (RuntimeException e) { 3274 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3275 Slog.wtf(TAG, "Package Manager Crash", e); 3276 } 3277 throw e; 3278 } 3279 } 3280 3281 static int[] appendInts(int[] cur, int[] add) { 3282 if (add == null) return cur; 3283 if (cur == null) return add; 3284 final int N = add.length; 3285 for (int i=0; i<N; i++) { 3286 cur = appendInt(cur, add[i]); 3287 } 3288 return cur; 3289 } 3290 3291 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3292 if (!sUserManager.exists(userId)) return null; 3293 if (ps == null) { 3294 return null; 3295 } 3296 final PackageParser.Package p = ps.pkg; 3297 if (p == null) { 3298 return null; 3299 } 3300 // Filter out ephemeral app metadata: 3301 // * The system/shell/root can see metadata for any app 3302 // * An installed app can see metadata for 1) other installed apps 3303 // and 2) ephemeral apps that have explicitly interacted with it 3304 // * Ephemeral apps can only see their own metadata 3305 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3306 if (callingAppId != Process.SYSTEM_UID 3307 && callingAppId != Process.SHELL_UID 3308 && callingAppId != Process.ROOT_UID) { 3309 final String ephemeralPackageName = getEphemeralPackageName(Binder.getCallingUid()); 3310 if (ephemeralPackageName != null) { 3311 // ephemeral apps can only get information on themselves 3312 if (!ephemeralPackageName.equals(p.packageName)) { 3313 return null; 3314 } 3315 } else { 3316 if (p.applicationInfo.isEphemeralApp()) { 3317 // only get access to the ephemeral app if we've been granted access 3318 if (!mEphemeralApplicationRegistry.isEphemeralAccessGranted( 3319 userId, callingAppId, ps.appId)) { 3320 return null; 3321 } 3322 } 3323 } 3324 } 3325 3326 final PermissionsState permissionsState = ps.getPermissionsState(); 3327 3328 // Compute GIDs only if requested 3329 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3330 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3331 // Compute granted permissions only if package has requested permissions 3332 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3333 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3334 final PackageUserState state = ps.readUserState(userId); 3335 3336 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3337 && ps.isSystem()) { 3338 flags |= MATCH_ANY_USER; 3339 } 3340 3341 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3342 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3343 3344 if (packageInfo == null) { 3345 return null; 3346 } 3347 3348 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3349 resolveExternalPackageNameLPr(p); 3350 3351 return packageInfo; 3352 } 3353 3354 @Override 3355 public void checkPackageStartable(String packageName, int userId) { 3356 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3357 3358 synchronized (mPackages) { 3359 final PackageSetting ps = mSettings.mPackages.get(packageName); 3360 if (ps == null) { 3361 throw new SecurityException("Package " + packageName + " was not found!"); 3362 } 3363 3364 if (!ps.getInstalled(userId)) { 3365 throw new SecurityException( 3366 "Package " + packageName + " was not installed for user " + userId + "!"); 3367 } 3368 3369 if (mSafeMode && !ps.isSystem()) { 3370 throw new SecurityException("Package " + packageName + " not a system app!"); 3371 } 3372 3373 if (mFrozenPackages.contains(packageName)) { 3374 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3375 } 3376 3377 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3378 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3379 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3380 } 3381 } 3382 } 3383 3384 @Override 3385 public boolean isPackageAvailable(String packageName, int userId) { 3386 if (!sUserManager.exists(userId)) return false; 3387 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3388 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3389 synchronized (mPackages) { 3390 PackageParser.Package p = mPackages.get(packageName); 3391 if (p != null) { 3392 final PackageSetting ps = (PackageSetting) p.mExtras; 3393 if (ps != null) { 3394 final PackageUserState state = ps.readUserState(userId); 3395 if (state != null) { 3396 return PackageParser.isAvailable(state); 3397 } 3398 } 3399 } 3400 } 3401 return false; 3402 } 3403 3404 @Override 3405 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3406 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3407 flags, userId); 3408 } 3409 3410 @Override 3411 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3412 int flags, int userId) { 3413 return getPackageInfoInternal(versionedPackage.getPackageName(), 3414 // TODO: We will change version code to long, so in the new API it is long 3415 (int) versionedPackage.getVersionCode(), flags, userId); 3416 } 3417 3418 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3419 int flags, int userId) { 3420 if (!sUserManager.exists(userId)) return null; 3421 flags = updateFlagsForPackage(flags, userId, packageName); 3422 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3423 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3424 3425 // reader 3426 synchronized (mPackages) { 3427 // Normalize package name to handle renamed packages and static libs 3428 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3429 3430 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3431 if (matchFactoryOnly) { 3432 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3433 if (ps != null) { 3434 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3435 return null; 3436 } 3437 return generatePackageInfo(ps, flags, userId); 3438 } 3439 } 3440 3441 PackageParser.Package p = mPackages.get(packageName); 3442 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3443 return null; 3444 } 3445 if (DEBUG_PACKAGE_INFO) 3446 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3447 if (p != null) { 3448 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3449 Binder.getCallingUid(), userId)) { 3450 return null; 3451 } 3452 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3453 } 3454 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3455 final PackageSetting ps = mSettings.mPackages.get(packageName); 3456 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3457 return null; 3458 } 3459 return generatePackageInfo(ps, flags, userId); 3460 } 3461 } 3462 return null; 3463 } 3464 3465 3466 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3467 // System/shell/root get to see all static libs 3468 final int appId = UserHandle.getAppId(uid); 3469 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3470 || appId == Process.ROOT_UID) { 3471 return false; 3472 } 3473 3474 // No package means no static lib as it is always on internal storage 3475 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3476 return false; 3477 } 3478 3479 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3480 ps.pkg.staticSharedLibVersion); 3481 if (libEntry == null) { 3482 return false; 3483 } 3484 3485 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3486 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3487 if (uidPackageNames == null) { 3488 return true; 3489 } 3490 3491 for (String uidPackageName : uidPackageNames) { 3492 if (ps.name.equals(uidPackageName)) { 3493 return false; 3494 } 3495 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3496 if (uidPs != null) { 3497 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3498 libEntry.info.getName()); 3499 if (index < 0) { 3500 continue; 3501 } 3502 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3503 return false; 3504 } 3505 } 3506 } 3507 return true; 3508 } 3509 3510 @Override 3511 public String[] currentToCanonicalPackageNames(String[] names) { 3512 String[] out = new String[names.length]; 3513 // reader 3514 synchronized (mPackages) { 3515 for (int i=names.length-1; i>=0; i--) { 3516 PackageSetting ps = mSettings.mPackages.get(names[i]); 3517 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3518 } 3519 } 3520 return out; 3521 } 3522 3523 @Override 3524 public String[] canonicalToCurrentPackageNames(String[] names) { 3525 String[] out = new String[names.length]; 3526 // reader 3527 synchronized (mPackages) { 3528 for (int i=names.length-1; i>=0; i--) { 3529 String cur = mSettings.getRenamedPackageLPr(names[i]); 3530 out[i] = cur != null ? cur : names[i]; 3531 } 3532 } 3533 return out; 3534 } 3535 3536 @Override 3537 public int getPackageUid(String packageName, int flags, int userId) { 3538 if (!sUserManager.exists(userId)) return -1; 3539 flags = updateFlagsForPackage(flags, userId, packageName); 3540 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3541 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3542 3543 // reader 3544 synchronized (mPackages) { 3545 final PackageParser.Package p = mPackages.get(packageName); 3546 if (p != null && p.isMatch(flags)) { 3547 return UserHandle.getUid(userId, p.applicationInfo.uid); 3548 } 3549 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3550 final PackageSetting ps = mSettings.mPackages.get(packageName); 3551 if (ps != null && ps.isMatch(flags)) { 3552 return UserHandle.getUid(userId, ps.appId); 3553 } 3554 } 3555 } 3556 3557 return -1; 3558 } 3559 3560 @Override 3561 public int[] getPackageGids(String packageName, int flags, int userId) { 3562 if (!sUserManager.exists(userId)) return null; 3563 flags = updateFlagsForPackage(flags, userId, packageName); 3564 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3565 false /* requireFullPermission */, false /* checkShell */, 3566 "getPackageGids"); 3567 3568 // reader 3569 synchronized (mPackages) { 3570 final PackageParser.Package p = mPackages.get(packageName); 3571 if (p != null && p.isMatch(flags)) { 3572 PackageSetting ps = (PackageSetting) p.mExtras; 3573 // TODO: Shouldn't this be checking for package installed state for userId and 3574 // return null? 3575 return ps.getPermissionsState().computeGids(userId); 3576 } 3577 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3578 final PackageSetting ps = mSettings.mPackages.get(packageName); 3579 if (ps != null && ps.isMatch(flags)) { 3580 return ps.getPermissionsState().computeGids(userId); 3581 } 3582 } 3583 } 3584 3585 return null; 3586 } 3587 3588 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3589 if (bp.perm != null) { 3590 return PackageParser.generatePermissionInfo(bp.perm, flags); 3591 } 3592 PermissionInfo pi = new PermissionInfo(); 3593 pi.name = bp.name; 3594 pi.packageName = bp.sourcePackage; 3595 pi.nonLocalizedLabel = bp.name; 3596 pi.protectionLevel = bp.protectionLevel; 3597 return pi; 3598 } 3599 3600 @Override 3601 public PermissionInfo getPermissionInfo(String name, int flags) { 3602 // reader 3603 synchronized (mPackages) { 3604 final BasePermission p = mSettings.mPermissions.get(name); 3605 if (p != null) { 3606 return generatePermissionInfo(p, flags); 3607 } 3608 return null; 3609 } 3610 } 3611 3612 @Override 3613 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3614 int flags) { 3615 // reader 3616 synchronized (mPackages) { 3617 if (group != null && !mPermissionGroups.containsKey(group)) { 3618 // This is thrown as NameNotFoundException 3619 return null; 3620 } 3621 3622 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3623 for (BasePermission p : mSettings.mPermissions.values()) { 3624 if (group == null) { 3625 if (p.perm == null || p.perm.info.group == null) { 3626 out.add(generatePermissionInfo(p, flags)); 3627 } 3628 } else { 3629 if (p.perm != null && group.equals(p.perm.info.group)) { 3630 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3631 } 3632 } 3633 } 3634 return new ParceledListSlice<>(out); 3635 } 3636 } 3637 3638 @Override 3639 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3640 // reader 3641 synchronized (mPackages) { 3642 return PackageParser.generatePermissionGroupInfo( 3643 mPermissionGroups.get(name), flags); 3644 } 3645 } 3646 3647 @Override 3648 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3649 // reader 3650 synchronized (mPackages) { 3651 final int N = mPermissionGroups.size(); 3652 ArrayList<PermissionGroupInfo> out 3653 = new ArrayList<PermissionGroupInfo>(N); 3654 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3655 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3656 } 3657 return new ParceledListSlice<>(out); 3658 } 3659 } 3660 3661 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3662 int uid, int userId) { 3663 if (!sUserManager.exists(userId)) return null; 3664 PackageSetting ps = mSettings.mPackages.get(packageName); 3665 if (ps != null) { 3666 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3667 return null; 3668 } 3669 if (ps.pkg == null) { 3670 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3671 if (pInfo != null) { 3672 return pInfo.applicationInfo; 3673 } 3674 return null; 3675 } 3676 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3677 ps.readUserState(userId), userId); 3678 if (ai != null) { 3679 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3680 } 3681 return ai; 3682 } 3683 return null; 3684 } 3685 3686 @Override 3687 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3688 if (!sUserManager.exists(userId)) return null; 3689 flags = updateFlagsForApplication(flags, userId, packageName); 3690 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3691 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3692 3693 // writer 3694 synchronized (mPackages) { 3695 // Normalize package name to handle renamed packages and static libs 3696 packageName = resolveInternalPackageNameLPr(packageName, 3697 PackageManager.VERSION_CODE_HIGHEST); 3698 3699 PackageParser.Package p = mPackages.get(packageName); 3700 if (DEBUG_PACKAGE_INFO) Log.v( 3701 TAG, "getApplicationInfo " + packageName 3702 + ": " + p); 3703 if (p != null) { 3704 PackageSetting ps = mSettings.mPackages.get(packageName); 3705 if (ps == null) return null; 3706 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3707 return null; 3708 } 3709 // Note: isEnabledLP() does not apply here - always return info 3710 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3711 p, flags, ps.readUserState(userId), userId); 3712 if (ai != null) { 3713 ai.packageName = resolveExternalPackageNameLPr(p); 3714 } 3715 return ai; 3716 } 3717 if ("android".equals(packageName)||"system".equals(packageName)) { 3718 return mAndroidApplication; 3719 } 3720 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3721 // Already generates the external package name 3722 return generateApplicationInfoFromSettingsLPw(packageName, 3723 Binder.getCallingUid(), flags, userId); 3724 } 3725 } 3726 return null; 3727 } 3728 3729 private String normalizePackageNameLPr(String packageName) { 3730 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3731 return normalizedPackageName != null ? normalizedPackageName : packageName; 3732 } 3733 3734 @Override 3735 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3736 final IPackageDataObserver observer) { 3737 mContext.enforceCallingOrSelfPermission( 3738 android.Manifest.permission.CLEAR_APP_CACHE, null); 3739 // Queue up an async operation since clearing cache may take a little while. 3740 mHandler.post(new Runnable() { 3741 public void run() { 3742 mHandler.removeCallbacks(this); 3743 boolean success = true; 3744 synchronized (mInstallLock) { 3745 try { 3746 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3747 } catch (InstallerException e) { 3748 Slog.w(TAG, "Couldn't clear application caches: " + e); 3749 success = false; 3750 } 3751 } 3752 if (observer != null) { 3753 try { 3754 observer.onRemoveCompleted(null, success); 3755 } catch (RemoteException e) { 3756 Slog.w(TAG, "RemoveException when invoking call back"); 3757 } 3758 } 3759 } 3760 }); 3761 } 3762 3763 @Override 3764 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3765 final IntentSender pi) { 3766 mContext.enforceCallingOrSelfPermission( 3767 android.Manifest.permission.CLEAR_APP_CACHE, null); 3768 // Queue up an async operation since clearing cache may take a little while. 3769 mHandler.post(new Runnable() { 3770 public void run() { 3771 mHandler.removeCallbacks(this); 3772 boolean success = true; 3773 synchronized (mInstallLock) { 3774 try { 3775 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3776 } catch (InstallerException e) { 3777 Slog.w(TAG, "Couldn't clear application caches: " + e); 3778 success = false; 3779 } 3780 } 3781 if(pi != null) { 3782 try { 3783 // Callback via pending intent 3784 int code = success ? 1 : 0; 3785 pi.sendIntent(null, code, null, 3786 null, null); 3787 } catch (SendIntentException e1) { 3788 Slog.i(TAG, "Failed to send pending intent"); 3789 } 3790 } 3791 } 3792 }); 3793 } 3794 3795 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3796 synchronized (mInstallLock) { 3797 try { 3798 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3799 } catch (InstallerException e) { 3800 throw new IOException("Failed to free enough space", e); 3801 } 3802 } 3803 } 3804 3805 /** 3806 * Update given flags based on encryption status of current user. 3807 */ 3808 private int updateFlags(int flags, int userId) { 3809 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3810 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3811 // Caller expressed an explicit opinion about what encryption 3812 // aware/unaware components they want to see, so fall through and 3813 // give them what they want 3814 } else { 3815 // Caller expressed no opinion, so match based on user state 3816 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3817 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3818 } else { 3819 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3820 } 3821 } 3822 return flags; 3823 } 3824 3825 private UserManagerInternal getUserManagerInternal() { 3826 if (mUserManagerInternal == null) { 3827 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3828 } 3829 return mUserManagerInternal; 3830 } 3831 3832 /** 3833 * Update given flags when being used to request {@link PackageInfo}. 3834 */ 3835 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3836 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3837 boolean triaged = true; 3838 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3839 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3840 // Caller is asking for component details, so they'd better be 3841 // asking for specific encryption matching behavior, or be triaged 3842 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3843 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3844 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3845 triaged = false; 3846 } 3847 } 3848 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3849 | PackageManager.MATCH_SYSTEM_ONLY 3850 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3851 triaged = false; 3852 } 3853 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3854 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3855 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3856 + Debug.getCallers(5)); 3857 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3858 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3859 // If the caller wants all packages and has a restricted profile associated with it, 3860 // then match all users. This is to make sure that launchers that need to access work 3861 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3862 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3863 flags |= PackageManager.MATCH_ANY_USER; 3864 } 3865 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3866 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3867 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3868 } 3869 return updateFlags(flags, userId); 3870 } 3871 3872 /** 3873 * Update given flags when being used to request {@link ApplicationInfo}. 3874 */ 3875 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3876 return updateFlagsForPackage(flags, userId, cookie); 3877 } 3878 3879 /** 3880 * Update given flags when being used to request {@link ComponentInfo}. 3881 */ 3882 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3883 if (cookie instanceof Intent) { 3884 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3885 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3886 } 3887 } 3888 3889 boolean triaged = true; 3890 // Caller is asking for component details, so they'd better be 3891 // asking for specific encryption matching behavior, or be triaged 3892 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3893 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3894 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3895 triaged = false; 3896 } 3897 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3898 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3899 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3900 } 3901 3902 return updateFlags(flags, userId); 3903 } 3904 3905 /** 3906 * Update given intent when being used to request {@link ResolveInfo}. 3907 */ 3908 private Intent updateIntentForResolve(Intent intent) { 3909 if (intent.getSelector() != null) { 3910 intent = intent.getSelector(); 3911 } 3912 if (DEBUG_PREFERRED) { 3913 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3914 } 3915 return intent; 3916 } 3917 3918 /** 3919 * Update given flags when being used to request {@link ResolveInfo}. 3920 */ 3921 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3922 // Safe mode means we shouldn't match any third-party components 3923 if (mSafeMode) { 3924 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3925 } 3926 final int callingUid = Binder.getCallingUid(); 3927 if (callingUid == Process.SYSTEM_UID || callingUid == 0) { 3928 // The system sees all components 3929 flags |= PackageManager.MATCH_EPHEMERAL; 3930 } else if (getEphemeralPackageName(callingUid) != null) { 3931 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 3932 flags |= PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3933 flags |= PackageManager.MATCH_EPHEMERAL; 3934 } else { 3935 // Otherwise, prevent leaking ephemeral components 3936 flags &= ~PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY; 3937 flags &= ~PackageManager.MATCH_EPHEMERAL; 3938 } 3939 return updateFlagsForComponent(flags, userId, cookie); 3940 } 3941 3942 @Override 3943 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3944 if (!sUserManager.exists(userId)) return null; 3945 flags = updateFlagsForComponent(flags, userId, component); 3946 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3947 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3948 synchronized (mPackages) { 3949 PackageParser.Activity a = mActivities.mActivities.get(component); 3950 3951 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3952 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3953 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3954 if (ps == null) return null; 3955 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3956 userId); 3957 } 3958 if (mResolveComponentName.equals(component)) { 3959 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3960 new PackageUserState(), userId); 3961 } 3962 } 3963 return null; 3964 } 3965 3966 @Override 3967 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3968 String resolvedType) { 3969 synchronized (mPackages) { 3970 if (component.equals(mResolveComponentName)) { 3971 // The resolver supports EVERYTHING! 3972 return true; 3973 } 3974 PackageParser.Activity a = mActivities.mActivities.get(component); 3975 if (a == null) { 3976 return false; 3977 } 3978 for (int i=0; i<a.intents.size(); i++) { 3979 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3980 intent.getData(), intent.getCategories(), TAG) >= 0) { 3981 return true; 3982 } 3983 } 3984 return false; 3985 } 3986 } 3987 3988 @Override 3989 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3990 if (!sUserManager.exists(userId)) return null; 3991 flags = updateFlagsForComponent(flags, userId, component); 3992 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3993 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3994 synchronized (mPackages) { 3995 PackageParser.Activity a = mReceivers.mActivities.get(component); 3996 if (DEBUG_PACKAGE_INFO) Log.v( 3997 TAG, "getReceiverInfo " + component + ": " + a); 3998 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3999 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4000 if (ps == null) return null; 4001 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4002 userId); 4003 } 4004 } 4005 return null; 4006 } 4007 4008 @Override 4009 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4010 if (!sUserManager.exists(userId)) return null; 4011 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4012 4013 flags = updateFlagsForPackage(flags, userId, null); 4014 4015 final boolean canSeeStaticLibraries = 4016 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4017 == PERMISSION_GRANTED 4018 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4019 == PERMISSION_GRANTED 4020 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4021 == PERMISSION_GRANTED 4022 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4023 == PERMISSION_GRANTED; 4024 4025 synchronized (mPackages) { 4026 List<SharedLibraryInfo> result = null; 4027 4028 final int libCount = mSharedLibraries.size(); 4029 for (int i = 0; i < libCount; i++) { 4030 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4031 if (versionedLib == null) { 4032 continue; 4033 } 4034 4035 final int versionCount = versionedLib.size(); 4036 for (int j = 0; j < versionCount; j++) { 4037 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4038 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4039 break; 4040 } 4041 final long identity = Binder.clearCallingIdentity(); 4042 try { 4043 // TODO: We will change version code to long, so in the new API it is long 4044 PackageInfo packageInfo = getPackageInfoVersioned( 4045 libInfo.getDeclaringPackage(), flags, userId); 4046 if (packageInfo == null) { 4047 continue; 4048 } 4049 } finally { 4050 Binder.restoreCallingIdentity(identity); 4051 } 4052 4053 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4054 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4055 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4056 4057 if (result == null) { 4058 result = new ArrayList<>(); 4059 } 4060 result.add(resLibInfo); 4061 } 4062 } 4063 4064 return result != null ? new ParceledListSlice<>(result) : null; 4065 } 4066 } 4067 4068 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4069 SharedLibraryInfo libInfo, int flags, int userId) { 4070 List<VersionedPackage> versionedPackages = null; 4071 final int packageCount = mSettings.mPackages.size(); 4072 for (int i = 0; i < packageCount; i++) { 4073 PackageSetting ps = mSettings.mPackages.valueAt(i); 4074 4075 if (ps == null) { 4076 continue; 4077 } 4078 4079 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4080 continue; 4081 } 4082 4083 final String libName = libInfo.getName(); 4084 if (libInfo.isStatic()) { 4085 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4086 if (libIdx < 0) { 4087 continue; 4088 } 4089 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4090 continue; 4091 } 4092 if (versionedPackages == null) { 4093 versionedPackages = new ArrayList<>(); 4094 } 4095 // If the dependent is a static shared lib, use the public package name 4096 String dependentPackageName = ps.name; 4097 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4098 dependentPackageName = ps.pkg.manifestPackageName; 4099 } 4100 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4101 } else if (ps.pkg != null) { 4102 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4103 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4104 if (versionedPackages == null) { 4105 versionedPackages = new ArrayList<>(); 4106 } 4107 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4108 } 4109 } 4110 } 4111 4112 return versionedPackages; 4113 } 4114 4115 @Override 4116 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4117 if (!sUserManager.exists(userId)) return null; 4118 flags = updateFlagsForComponent(flags, userId, component); 4119 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4120 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4121 synchronized (mPackages) { 4122 PackageParser.Service s = mServices.mServices.get(component); 4123 if (DEBUG_PACKAGE_INFO) Log.v( 4124 TAG, "getServiceInfo " + component + ": " + s); 4125 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4126 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4127 if (ps == null) return null; 4128 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 4129 userId); 4130 } 4131 } 4132 return null; 4133 } 4134 4135 @Override 4136 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4137 if (!sUserManager.exists(userId)) return null; 4138 flags = updateFlagsForComponent(flags, userId, component); 4139 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4140 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4141 synchronized (mPackages) { 4142 PackageParser.Provider p = mProviders.mProviders.get(component); 4143 if (DEBUG_PACKAGE_INFO) Log.v( 4144 TAG, "getProviderInfo " + component + ": " + p); 4145 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4146 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4147 if (ps == null) return null; 4148 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 4149 userId); 4150 } 4151 } 4152 return null; 4153 } 4154 4155 @Override 4156 public String[] getSystemSharedLibraryNames() { 4157 synchronized (mPackages) { 4158 Set<String> libs = null; 4159 final int libCount = mSharedLibraries.size(); 4160 for (int i = 0; i < libCount; i++) { 4161 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4162 if (versionedLib == null) { 4163 continue; 4164 } 4165 final int versionCount = versionedLib.size(); 4166 for (int j = 0; j < versionCount; j++) { 4167 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4168 if (!libEntry.info.isStatic()) { 4169 if (libs == null) { 4170 libs = new ArraySet<>(); 4171 } 4172 libs.add(libEntry.info.getName()); 4173 break; 4174 } 4175 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4176 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4177 UserHandle.getUserId(Binder.getCallingUid()))) { 4178 if (libs == null) { 4179 libs = new ArraySet<>(); 4180 } 4181 libs.add(libEntry.info.getName()); 4182 break; 4183 } 4184 } 4185 } 4186 4187 if (libs != null) { 4188 String[] libsArray = new String[libs.size()]; 4189 libs.toArray(libsArray); 4190 return libsArray; 4191 } 4192 4193 return null; 4194 } 4195 } 4196 4197 @Override 4198 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4199 synchronized (mPackages) { 4200 return mServicesSystemSharedLibraryPackageName; 4201 } 4202 } 4203 4204 @Override 4205 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4206 synchronized (mPackages) { 4207 return mSharedSystemSharedLibraryPackageName; 4208 } 4209 } 4210 4211 @Override 4212 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4213 synchronized (mPackages) { 4214 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 4215 4216 final FeatureInfo fi = new FeatureInfo(); 4217 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4218 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4219 res.add(fi); 4220 4221 return new ParceledListSlice<>(res); 4222 } 4223 } 4224 4225 @Override 4226 public boolean hasSystemFeature(String name, int version) { 4227 synchronized (mPackages) { 4228 final FeatureInfo feat = mAvailableFeatures.get(name); 4229 if (feat == null) { 4230 return false; 4231 } else { 4232 return feat.version >= version; 4233 } 4234 } 4235 } 4236 4237 @Override 4238 public int checkPermission(String permName, String pkgName, int userId) { 4239 if (!sUserManager.exists(userId)) { 4240 return PackageManager.PERMISSION_DENIED; 4241 } 4242 4243 synchronized (mPackages) { 4244 final PackageParser.Package p = mPackages.get(pkgName); 4245 if (p != null && p.mExtras != null) { 4246 final PackageSetting ps = (PackageSetting) p.mExtras; 4247 final PermissionsState permissionsState = ps.getPermissionsState(); 4248 if (permissionsState.hasPermission(permName, userId)) { 4249 return PackageManager.PERMISSION_GRANTED; 4250 } 4251 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4252 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4253 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4254 return PackageManager.PERMISSION_GRANTED; 4255 } 4256 } 4257 } 4258 4259 return PackageManager.PERMISSION_DENIED; 4260 } 4261 4262 @Override 4263 public int checkUidPermission(String permName, int uid) { 4264 final int userId = UserHandle.getUserId(uid); 4265 4266 if (!sUserManager.exists(userId)) { 4267 return PackageManager.PERMISSION_DENIED; 4268 } 4269 4270 synchronized (mPackages) { 4271 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4272 if (obj != null) { 4273 final SettingBase ps = (SettingBase) obj; 4274 final PermissionsState permissionsState = ps.getPermissionsState(); 4275 if (permissionsState.hasPermission(permName, userId)) { 4276 return PackageManager.PERMISSION_GRANTED; 4277 } 4278 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4279 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4280 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4281 return PackageManager.PERMISSION_GRANTED; 4282 } 4283 } else { 4284 ArraySet<String> perms = mSystemPermissions.get(uid); 4285 if (perms != null) { 4286 if (perms.contains(permName)) { 4287 return PackageManager.PERMISSION_GRANTED; 4288 } 4289 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4290 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4291 return PackageManager.PERMISSION_GRANTED; 4292 } 4293 } 4294 } 4295 } 4296 4297 return PackageManager.PERMISSION_DENIED; 4298 } 4299 4300 @Override 4301 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4302 if (UserHandle.getCallingUserId() != userId) { 4303 mContext.enforceCallingPermission( 4304 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4305 "isPermissionRevokedByPolicy for user " + userId); 4306 } 4307 4308 if (checkPermission(permission, packageName, userId) 4309 == PackageManager.PERMISSION_GRANTED) { 4310 return false; 4311 } 4312 4313 final long identity = Binder.clearCallingIdentity(); 4314 try { 4315 final int flags = getPermissionFlags(permission, packageName, userId); 4316 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4317 } finally { 4318 Binder.restoreCallingIdentity(identity); 4319 } 4320 } 4321 4322 @Override 4323 public String getPermissionControllerPackageName() { 4324 synchronized (mPackages) { 4325 return mRequiredInstallerPackage; 4326 } 4327 } 4328 4329 /** 4330 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4331 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4332 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4333 * @param message the message to log on security exception 4334 */ 4335 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4336 boolean checkShell, String message) { 4337 if (userId < 0) { 4338 throw new IllegalArgumentException("Invalid userId " + userId); 4339 } 4340 if (checkShell) { 4341 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4342 } 4343 if (userId == UserHandle.getUserId(callingUid)) return; 4344 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4345 if (requireFullPermission) { 4346 mContext.enforceCallingOrSelfPermission( 4347 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4348 } else { 4349 try { 4350 mContext.enforceCallingOrSelfPermission( 4351 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4352 } catch (SecurityException se) { 4353 mContext.enforceCallingOrSelfPermission( 4354 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4355 } 4356 } 4357 } 4358 } 4359 4360 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4361 if (callingUid == Process.SHELL_UID) { 4362 if (userHandle >= 0 4363 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4364 throw new SecurityException("Shell does not have permission to access user " 4365 + userHandle); 4366 } else if (userHandle < 0) { 4367 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4368 + Debug.getCallers(3)); 4369 } 4370 } 4371 } 4372 4373 private BasePermission findPermissionTreeLP(String permName) { 4374 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4375 if (permName.startsWith(bp.name) && 4376 permName.length() > bp.name.length() && 4377 permName.charAt(bp.name.length()) == '.') { 4378 return bp; 4379 } 4380 } 4381 return null; 4382 } 4383 4384 private BasePermission checkPermissionTreeLP(String permName) { 4385 if (permName != null) { 4386 BasePermission bp = findPermissionTreeLP(permName); 4387 if (bp != null) { 4388 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4389 return bp; 4390 } 4391 throw new SecurityException("Calling uid " 4392 + Binder.getCallingUid() 4393 + " is not allowed to add to permission tree " 4394 + bp.name + " owned by uid " + bp.uid); 4395 } 4396 } 4397 throw new SecurityException("No permission tree found for " + permName); 4398 } 4399 4400 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4401 if (s1 == null) { 4402 return s2 == null; 4403 } 4404 if (s2 == null) { 4405 return false; 4406 } 4407 if (s1.getClass() != s2.getClass()) { 4408 return false; 4409 } 4410 return s1.equals(s2); 4411 } 4412 4413 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4414 if (pi1.icon != pi2.icon) return false; 4415 if (pi1.logo != pi2.logo) return false; 4416 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4417 if (!compareStrings(pi1.name, pi2.name)) return false; 4418 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4419 // We'll take care of setting this one. 4420 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4421 // These are not currently stored in settings. 4422 //if (!compareStrings(pi1.group, pi2.group)) return false; 4423 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4424 //if (pi1.labelRes != pi2.labelRes) return false; 4425 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4426 return true; 4427 } 4428 4429 int permissionInfoFootprint(PermissionInfo info) { 4430 int size = info.name.length(); 4431 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4432 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4433 return size; 4434 } 4435 4436 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4437 int size = 0; 4438 for (BasePermission perm : mSettings.mPermissions.values()) { 4439 if (perm.uid == tree.uid) { 4440 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4441 } 4442 } 4443 return size; 4444 } 4445 4446 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4447 // We calculate the max size of permissions defined by this uid and throw 4448 // if that plus the size of 'info' would exceed our stated maximum. 4449 if (tree.uid != Process.SYSTEM_UID) { 4450 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4451 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4452 throw new SecurityException("Permission tree size cap exceeded"); 4453 } 4454 } 4455 } 4456 4457 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4458 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4459 throw new SecurityException("Label must be specified in permission"); 4460 } 4461 BasePermission tree = checkPermissionTreeLP(info.name); 4462 BasePermission bp = mSettings.mPermissions.get(info.name); 4463 boolean added = bp == null; 4464 boolean changed = true; 4465 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4466 if (added) { 4467 enforcePermissionCapLocked(info, tree); 4468 bp = new BasePermission(info.name, tree.sourcePackage, 4469 BasePermission.TYPE_DYNAMIC); 4470 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4471 throw new SecurityException( 4472 "Not allowed to modify non-dynamic permission " 4473 + info.name); 4474 } else { 4475 if (bp.protectionLevel == fixedLevel 4476 && bp.perm.owner.equals(tree.perm.owner) 4477 && bp.uid == tree.uid 4478 && comparePermissionInfos(bp.perm.info, info)) { 4479 changed = false; 4480 } 4481 } 4482 bp.protectionLevel = fixedLevel; 4483 info = new PermissionInfo(info); 4484 info.protectionLevel = fixedLevel; 4485 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4486 bp.perm.info.packageName = tree.perm.info.packageName; 4487 bp.uid = tree.uid; 4488 if (added) { 4489 mSettings.mPermissions.put(info.name, bp); 4490 } 4491 if (changed) { 4492 if (!async) { 4493 mSettings.writeLPr(); 4494 } else { 4495 scheduleWriteSettingsLocked(); 4496 } 4497 } 4498 return added; 4499 } 4500 4501 @Override 4502 public boolean addPermission(PermissionInfo info) { 4503 synchronized (mPackages) { 4504 return addPermissionLocked(info, false); 4505 } 4506 } 4507 4508 @Override 4509 public boolean addPermissionAsync(PermissionInfo info) { 4510 synchronized (mPackages) { 4511 return addPermissionLocked(info, true); 4512 } 4513 } 4514 4515 @Override 4516 public void removePermission(String name) { 4517 synchronized (mPackages) { 4518 checkPermissionTreeLP(name); 4519 BasePermission bp = mSettings.mPermissions.get(name); 4520 if (bp != null) { 4521 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4522 throw new SecurityException( 4523 "Not allowed to modify non-dynamic permission " 4524 + name); 4525 } 4526 mSettings.mPermissions.remove(name); 4527 mSettings.writeLPr(); 4528 } 4529 } 4530 } 4531 4532 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4533 BasePermission bp) { 4534 int index = pkg.requestedPermissions.indexOf(bp.name); 4535 if (index == -1) { 4536 throw new SecurityException("Package " + pkg.packageName 4537 + " has not requested permission " + bp.name); 4538 } 4539 if (!bp.isRuntime() && !bp.isDevelopment()) { 4540 throw new SecurityException("Permission " + bp.name 4541 + " is not a changeable permission type"); 4542 } 4543 } 4544 4545 @Override 4546 public void grantRuntimePermission(String packageName, String name, final int userId) { 4547 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4548 } 4549 4550 private void grantRuntimePermission(String packageName, String name, final int userId, 4551 boolean overridePolicy) { 4552 if (!sUserManager.exists(userId)) { 4553 Log.e(TAG, "No such user:" + userId); 4554 return; 4555 } 4556 4557 mContext.enforceCallingOrSelfPermission( 4558 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4559 "grantRuntimePermission"); 4560 4561 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4562 true /* requireFullPermission */, true /* checkShell */, 4563 "grantRuntimePermission"); 4564 4565 final int uid; 4566 final SettingBase sb; 4567 4568 synchronized (mPackages) { 4569 final PackageParser.Package pkg = mPackages.get(packageName); 4570 if (pkg == null) { 4571 throw new IllegalArgumentException("Unknown package: " + packageName); 4572 } 4573 4574 final BasePermission bp = mSettings.mPermissions.get(name); 4575 if (bp == null) { 4576 throw new IllegalArgumentException("Unknown permission: " + name); 4577 } 4578 4579 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4580 4581 // If a permission review is required for legacy apps we represent 4582 // their permissions as always granted runtime ones since we need 4583 // to keep the review required permission flag per user while an 4584 // install permission's state is shared across all users. 4585 if (mPermissionReviewRequired 4586 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4587 && bp.isRuntime()) { 4588 return; 4589 } 4590 4591 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4592 sb = (SettingBase) pkg.mExtras; 4593 if (sb == null) { 4594 throw new IllegalArgumentException("Unknown package: " + packageName); 4595 } 4596 4597 final PermissionsState permissionsState = sb.getPermissionsState(); 4598 4599 final int flags = permissionsState.getPermissionFlags(name, userId); 4600 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4601 throw new SecurityException("Cannot grant system fixed permission " 4602 + name + " for package " + packageName); 4603 } 4604 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4605 throw new SecurityException("Cannot grant policy fixed permission " 4606 + name + " for package " + packageName); 4607 } 4608 4609 if (bp.isDevelopment()) { 4610 // Development permissions must be handled specially, since they are not 4611 // normal runtime permissions. For now they apply to all users. 4612 if (permissionsState.grantInstallPermission(bp) != 4613 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4614 scheduleWriteSettingsLocked(); 4615 } 4616 return; 4617 } 4618 4619 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 4620 throw new SecurityException("Cannot grant non-ephemeral permission" 4621 + name + " for package " + packageName); 4622 } 4623 4624 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4625 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4626 return; 4627 } 4628 4629 final int result = permissionsState.grantRuntimePermission(bp, userId); 4630 switch (result) { 4631 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4632 return; 4633 } 4634 4635 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4636 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4637 mHandler.post(new Runnable() { 4638 @Override 4639 public void run() { 4640 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4641 } 4642 }); 4643 } 4644 break; 4645 } 4646 4647 if (bp.isRuntime()) { 4648 logPermissionGranted(mContext, name, packageName); 4649 } 4650 4651 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4652 4653 // Not critical if that is lost - app has to request again. 4654 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4655 } 4656 4657 // Only need to do this if user is initialized. Otherwise it's a new user 4658 // and there are no processes running as the user yet and there's no need 4659 // to make an expensive call to remount processes for the changed permissions. 4660 if (READ_EXTERNAL_STORAGE.equals(name) 4661 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4662 final long token = Binder.clearCallingIdentity(); 4663 try { 4664 if (sUserManager.isInitialized(userId)) { 4665 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4666 StorageManagerInternal.class); 4667 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4668 } 4669 } finally { 4670 Binder.restoreCallingIdentity(token); 4671 } 4672 } 4673 } 4674 4675 @Override 4676 public void revokeRuntimePermission(String packageName, String name, int userId) { 4677 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4678 } 4679 4680 private void revokeRuntimePermission(String packageName, String name, int userId, 4681 boolean overridePolicy) { 4682 if (!sUserManager.exists(userId)) { 4683 Log.e(TAG, "No such user:" + userId); 4684 return; 4685 } 4686 4687 mContext.enforceCallingOrSelfPermission( 4688 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4689 "revokeRuntimePermission"); 4690 4691 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4692 true /* requireFullPermission */, true /* checkShell */, 4693 "revokeRuntimePermission"); 4694 4695 final int appId; 4696 4697 synchronized (mPackages) { 4698 final PackageParser.Package pkg = mPackages.get(packageName); 4699 if (pkg == null) { 4700 throw new IllegalArgumentException("Unknown package: " + packageName); 4701 } 4702 4703 final BasePermission bp = mSettings.mPermissions.get(name); 4704 if (bp == null) { 4705 throw new IllegalArgumentException("Unknown permission: " + name); 4706 } 4707 4708 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4709 4710 // If a permission review is required for legacy apps we represent 4711 // their permissions as always granted runtime ones since we need 4712 // to keep the review required permission flag per user while an 4713 // install permission's state is shared across all users. 4714 if (mPermissionReviewRequired 4715 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4716 && bp.isRuntime()) { 4717 return; 4718 } 4719 4720 SettingBase sb = (SettingBase) pkg.mExtras; 4721 if (sb == null) { 4722 throw new IllegalArgumentException("Unknown package: " + packageName); 4723 } 4724 4725 final PermissionsState permissionsState = sb.getPermissionsState(); 4726 4727 final int flags = permissionsState.getPermissionFlags(name, userId); 4728 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4729 throw new SecurityException("Cannot revoke system fixed permission " 4730 + name + " for package " + packageName); 4731 } 4732 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4733 throw new SecurityException("Cannot revoke policy fixed permission " 4734 + name + " for package " + packageName); 4735 } 4736 4737 if (bp.isDevelopment()) { 4738 // Development permissions must be handled specially, since they are not 4739 // normal runtime permissions. For now they apply to all users. 4740 if (permissionsState.revokeInstallPermission(bp) != 4741 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4742 scheduleWriteSettingsLocked(); 4743 } 4744 return; 4745 } 4746 4747 if (permissionsState.revokeRuntimePermission(bp, userId) == 4748 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4749 return; 4750 } 4751 4752 if (bp.isRuntime()) { 4753 logPermissionRevoked(mContext, name, packageName); 4754 } 4755 4756 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4757 4758 // Critical, after this call app should never have the permission. 4759 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4760 4761 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4762 } 4763 4764 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4765 } 4766 4767 /** 4768 * Get the first event id for the permission. 4769 * 4770 * <p>There are four events for each permission: <ul> 4771 * <li>Request permission: first id + 0</li> 4772 * <li>Grant permission: first id + 1</li> 4773 * <li>Request for permission denied: first id + 2</li> 4774 * <li>Revoke permission: first id + 3</li> 4775 * </ul></p> 4776 * 4777 * @param name name of the permission 4778 * 4779 * @return The first event id for the permission 4780 */ 4781 private static int getBaseEventId(@NonNull String name) { 4782 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4783 4784 if (eventIdIndex == -1) { 4785 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4786 || "user".equals(Build.TYPE)) { 4787 Log.i(TAG, "Unknown permission " + name); 4788 4789 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4790 } else { 4791 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4792 // 4793 // Also update 4794 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4795 // - metrics_constants.proto 4796 throw new IllegalStateException("Unknown permission " + name); 4797 } 4798 } 4799 4800 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4801 } 4802 4803 /** 4804 * Log that a permission was revoked. 4805 * 4806 * @param context Context of the caller 4807 * @param name name of the permission 4808 * @param packageName package permission if for 4809 */ 4810 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4811 @NonNull String packageName) { 4812 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4813 } 4814 4815 /** 4816 * Log that a permission request was granted. 4817 * 4818 * @param context Context of the caller 4819 * @param name name of the permission 4820 * @param packageName package permission if for 4821 */ 4822 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4823 @NonNull String packageName) { 4824 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4825 } 4826 4827 @Override 4828 public void resetRuntimePermissions() { 4829 mContext.enforceCallingOrSelfPermission( 4830 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4831 "revokeRuntimePermission"); 4832 4833 int callingUid = Binder.getCallingUid(); 4834 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4835 mContext.enforceCallingOrSelfPermission( 4836 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4837 "resetRuntimePermissions"); 4838 } 4839 4840 synchronized (mPackages) { 4841 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4842 for (int userId : UserManagerService.getInstance().getUserIds()) { 4843 final int packageCount = mPackages.size(); 4844 for (int i = 0; i < packageCount; i++) { 4845 PackageParser.Package pkg = mPackages.valueAt(i); 4846 if (!(pkg.mExtras instanceof PackageSetting)) { 4847 continue; 4848 } 4849 PackageSetting ps = (PackageSetting) pkg.mExtras; 4850 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4851 } 4852 } 4853 } 4854 } 4855 4856 @Override 4857 public int getPermissionFlags(String name, String packageName, int userId) { 4858 if (!sUserManager.exists(userId)) { 4859 return 0; 4860 } 4861 4862 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4863 4864 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4865 true /* requireFullPermission */, false /* checkShell */, 4866 "getPermissionFlags"); 4867 4868 synchronized (mPackages) { 4869 final PackageParser.Package pkg = mPackages.get(packageName); 4870 if (pkg == null) { 4871 return 0; 4872 } 4873 4874 final BasePermission bp = mSettings.mPermissions.get(name); 4875 if (bp == null) { 4876 return 0; 4877 } 4878 4879 SettingBase sb = (SettingBase) pkg.mExtras; 4880 if (sb == null) { 4881 return 0; 4882 } 4883 4884 PermissionsState permissionsState = sb.getPermissionsState(); 4885 return permissionsState.getPermissionFlags(name, userId); 4886 } 4887 } 4888 4889 @Override 4890 public void updatePermissionFlags(String name, String packageName, int flagMask, 4891 int flagValues, int userId) { 4892 if (!sUserManager.exists(userId)) { 4893 return; 4894 } 4895 4896 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4897 4898 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4899 true /* requireFullPermission */, true /* checkShell */, 4900 "updatePermissionFlags"); 4901 4902 // Only the system can change these flags and nothing else. 4903 if (getCallingUid() != Process.SYSTEM_UID) { 4904 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4905 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4906 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4907 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4908 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4909 } 4910 4911 synchronized (mPackages) { 4912 final PackageParser.Package pkg = mPackages.get(packageName); 4913 if (pkg == null) { 4914 throw new IllegalArgumentException("Unknown package: " + packageName); 4915 } 4916 4917 final BasePermission bp = mSettings.mPermissions.get(name); 4918 if (bp == null) { 4919 throw new IllegalArgumentException("Unknown permission: " + name); 4920 } 4921 4922 SettingBase sb = (SettingBase) pkg.mExtras; 4923 if (sb == null) { 4924 throw new IllegalArgumentException("Unknown package: " + packageName); 4925 } 4926 4927 PermissionsState permissionsState = sb.getPermissionsState(); 4928 4929 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4930 4931 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4932 // Install and runtime permissions are stored in different places, 4933 // so figure out what permission changed and persist the change. 4934 if (permissionsState.getInstallPermissionState(name) != null) { 4935 scheduleWriteSettingsLocked(); 4936 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4937 || hadState) { 4938 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4939 } 4940 } 4941 } 4942 } 4943 4944 /** 4945 * Update the permission flags for all packages and runtime permissions of a user in order 4946 * to allow device or profile owner to remove POLICY_FIXED. 4947 */ 4948 @Override 4949 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4950 if (!sUserManager.exists(userId)) { 4951 return; 4952 } 4953 4954 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4955 4956 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4957 true /* requireFullPermission */, true /* checkShell */, 4958 "updatePermissionFlagsForAllApps"); 4959 4960 // Only the system can change system fixed flags. 4961 if (getCallingUid() != Process.SYSTEM_UID) { 4962 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4963 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4964 } 4965 4966 synchronized (mPackages) { 4967 boolean changed = false; 4968 final int packageCount = mPackages.size(); 4969 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4970 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4971 SettingBase sb = (SettingBase) pkg.mExtras; 4972 if (sb == null) { 4973 continue; 4974 } 4975 PermissionsState permissionsState = sb.getPermissionsState(); 4976 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4977 userId, flagMask, flagValues); 4978 } 4979 if (changed) { 4980 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4981 } 4982 } 4983 } 4984 4985 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4986 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4987 != PackageManager.PERMISSION_GRANTED 4988 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4989 != PackageManager.PERMISSION_GRANTED) { 4990 throw new SecurityException(message + " requires " 4991 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4992 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4993 } 4994 } 4995 4996 @Override 4997 public boolean shouldShowRequestPermissionRationale(String permissionName, 4998 String packageName, int userId) { 4999 if (UserHandle.getCallingUserId() != userId) { 5000 mContext.enforceCallingPermission( 5001 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5002 "canShowRequestPermissionRationale for user " + userId); 5003 } 5004 5005 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5006 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5007 return false; 5008 } 5009 5010 if (checkPermission(permissionName, packageName, userId) 5011 == PackageManager.PERMISSION_GRANTED) { 5012 return false; 5013 } 5014 5015 final int flags; 5016 5017 final long identity = Binder.clearCallingIdentity(); 5018 try { 5019 flags = getPermissionFlags(permissionName, 5020 packageName, userId); 5021 } finally { 5022 Binder.restoreCallingIdentity(identity); 5023 } 5024 5025 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5026 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5027 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5028 5029 if ((flags & fixedFlags) != 0) { 5030 return false; 5031 } 5032 5033 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5034 } 5035 5036 @Override 5037 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5038 mContext.enforceCallingOrSelfPermission( 5039 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5040 "addOnPermissionsChangeListener"); 5041 5042 synchronized (mPackages) { 5043 mOnPermissionChangeListeners.addListenerLocked(listener); 5044 } 5045 } 5046 5047 @Override 5048 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5049 synchronized (mPackages) { 5050 mOnPermissionChangeListeners.removeListenerLocked(listener); 5051 } 5052 } 5053 5054 @Override 5055 public boolean isProtectedBroadcast(String actionName) { 5056 synchronized (mPackages) { 5057 if (mProtectedBroadcasts.contains(actionName)) { 5058 return true; 5059 } else if (actionName != null) { 5060 // TODO: remove these terrible hacks 5061 if (actionName.startsWith("android.net.netmon.lingerExpired") 5062 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5063 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5064 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5065 return true; 5066 } 5067 } 5068 } 5069 return false; 5070 } 5071 5072 @Override 5073 public int checkSignatures(String pkg1, String pkg2) { 5074 synchronized (mPackages) { 5075 final PackageParser.Package p1 = mPackages.get(pkg1); 5076 final PackageParser.Package p2 = mPackages.get(pkg2); 5077 if (p1 == null || p1.mExtras == null 5078 || p2 == null || p2.mExtras == null) { 5079 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5080 } 5081 return compareSignatures(p1.mSignatures, p2.mSignatures); 5082 } 5083 } 5084 5085 @Override 5086 public int checkUidSignatures(int uid1, int uid2) { 5087 // Map to base uids. 5088 uid1 = UserHandle.getAppId(uid1); 5089 uid2 = UserHandle.getAppId(uid2); 5090 // reader 5091 synchronized (mPackages) { 5092 Signature[] s1; 5093 Signature[] s2; 5094 Object obj = mSettings.getUserIdLPr(uid1); 5095 if (obj != null) { 5096 if (obj instanceof SharedUserSetting) { 5097 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5098 } else if (obj instanceof PackageSetting) { 5099 s1 = ((PackageSetting)obj).signatures.mSignatures; 5100 } else { 5101 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5102 } 5103 } else { 5104 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5105 } 5106 obj = mSettings.getUserIdLPr(uid2); 5107 if (obj != null) { 5108 if (obj instanceof SharedUserSetting) { 5109 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5110 } else if (obj instanceof PackageSetting) { 5111 s2 = ((PackageSetting)obj).signatures.mSignatures; 5112 } else { 5113 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5114 } 5115 } else { 5116 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5117 } 5118 return compareSignatures(s1, s2); 5119 } 5120 } 5121 5122 /** 5123 * This method should typically only be used when granting or revoking 5124 * permissions, since the app may immediately restart after this call. 5125 * <p> 5126 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5127 * guard your work against the app being relaunched. 5128 */ 5129 private void killUid(int appId, int userId, String reason) { 5130 final long identity = Binder.clearCallingIdentity(); 5131 try { 5132 IActivityManager am = ActivityManager.getService(); 5133 if (am != null) { 5134 try { 5135 am.killUid(appId, userId, reason); 5136 } catch (RemoteException e) { 5137 /* ignore - same process */ 5138 } 5139 } 5140 } finally { 5141 Binder.restoreCallingIdentity(identity); 5142 } 5143 } 5144 5145 /** 5146 * Compares two sets of signatures. Returns: 5147 * <br /> 5148 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5149 * <br /> 5150 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5151 * <br /> 5152 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5153 * <br /> 5154 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5155 * <br /> 5156 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5157 */ 5158 static int compareSignatures(Signature[] s1, Signature[] s2) { 5159 if (s1 == null) { 5160 return s2 == null 5161 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5162 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5163 } 5164 5165 if (s2 == null) { 5166 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5167 } 5168 5169 if (s1.length != s2.length) { 5170 return PackageManager.SIGNATURE_NO_MATCH; 5171 } 5172 5173 // Since both signature sets are of size 1, we can compare without HashSets. 5174 if (s1.length == 1) { 5175 return s1[0].equals(s2[0]) ? 5176 PackageManager.SIGNATURE_MATCH : 5177 PackageManager.SIGNATURE_NO_MATCH; 5178 } 5179 5180 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5181 for (Signature sig : s1) { 5182 set1.add(sig); 5183 } 5184 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5185 for (Signature sig : s2) { 5186 set2.add(sig); 5187 } 5188 // Make sure s2 contains all signatures in s1. 5189 if (set1.equals(set2)) { 5190 return PackageManager.SIGNATURE_MATCH; 5191 } 5192 return PackageManager.SIGNATURE_NO_MATCH; 5193 } 5194 5195 /** 5196 * If the database version for this type of package (internal storage or 5197 * external storage) is less than the version where package signatures 5198 * were updated, return true. 5199 */ 5200 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5201 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5202 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5203 } 5204 5205 /** 5206 * Used for backward compatibility to make sure any packages with 5207 * certificate chains get upgraded to the new style. {@code existingSigs} 5208 * will be in the old format (since they were stored on disk from before the 5209 * system upgrade) and {@code scannedSigs} will be in the newer format. 5210 */ 5211 private int compareSignaturesCompat(PackageSignatures existingSigs, 5212 PackageParser.Package scannedPkg) { 5213 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5214 return PackageManager.SIGNATURE_NO_MATCH; 5215 } 5216 5217 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5218 for (Signature sig : existingSigs.mSignatures) { 5219 existingSet.add(sig); 5220 } 5221 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5222 for (Signature sig : scannedPkg.mSignatures) { 5223 try { 5224 Signature[] chainSignatures = sig.getChainSignatures(); 5225 for (Signature chainSig : chainSignatures) { 5226 scannedCompatSet.add(chainSig); 5227 } 5228 } catch (CertificateEncodingException e) { 5229 scannedCompatSet.add(sig); 5230 } 5231 } 5232 /* 5233 * Make sure the expanded scanned set contains all signatures in the 5234 * existing one. 5235 */ 5236 if (scannedCompatSet.equals(existingSet)) { 5237 // Migrate the old signatures to the new scheme. 5238 existingSigs.assignSignatures(scannedPkg.mSignatures); 5239 // The new KeySets will be re-added later in the scanning process. 5240 synchronized (mPackages) { 5241 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5242 } 5243 return PackageManager.SIGNATURE_MATCH; 5244 } 5245 return PackageManager.SIGNATURE_NO_MATCH; 5246 } 5247 5248 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5249 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5250 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5251 } 5252 5253 private int compareSignaturesRecover(PackageSignatures existingSigs, 5254 PackageParser.Package scannedPkg) { 5255 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5256 return PackageManager.SIGNATURE_NO_MATCH; 5257 } 5258 5259 String msg = null; 5260 try { 5261 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5262 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5263 + scannedPkg.packageName); 5264 return PackageManager.SIGNATURE_MATCH; 5265 } 5266 } catch (CertificateException e) { 5267 msg = e.getMessage(); 5268 } 5269 5270 logCriticalInfo(Log.INFO, 5271 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5272 return PackageManager.SIGNATURE_NO_MATCH; 5273 } 5274 5275 @Override 5276 public List<String> getAllPackages() { 5277 synchronized (mPackages) { 5278 return new ArrayList<String>(mPackages.keySet()); 5279 } 5280 } 5281 5282 @Override 5283 public String[] getPackagesForUid(int uid) { 5284 final int userId = UserHandle.getUserId(uid); 5285 uid = UserHandle.getAppId(uid); 5286 // reader 5287 synchronized (mPackages) { 5288 Object obj = mSettings.getUserIdLPr(uid); 5289 if (obj instanceof SharedUserSetting) { 5290 final SharedUserSetting sus = (SharedUserSetting) obj; 5291 final int N = sus.packages.size(); 5292 String[] res = new String[N]; 5293 final Iterator<PackageSetting> it = sus.packages.iterator(); 5294 int i = 0; 5295 while (it.hasNext()) { 5296 PackageSetting ps = it.next(); 5297 if (ps.getInstalled(userId)) { 5298 res[i++] = ps.name; 5299 } else { 5300 res = ArrayUtils.removeElement(String.class, res, res[i]); 5301 } 5302 } 5303 return res; 5304 } else if (obj instanceof PackageSetting) { 5305 final PackageSetting ps = (PackageSetting) obj; 5306 if (ps.getInstalled(userId)) { 5307 return new String[]{ps.name}; 5308 } 5309 } 5310 } 5311 return null; 5312 } 5313 5314 @Override 5315 public String getNameForUid(int uid) { 5316 // reader 5317 synchronized (mPackages) { 5318 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5319 if (obj instanceof SharedUserSetting) { 5320 final SharedUserSetting sus = (SharedUserSetting) obj; 5321 return sus.name + ":" + sus.userId; 5322 } else if (obj instanceof PackageSetting) { 5323 final PackageSetting ps = (PackageSetting) obj; 5324 return ps.name; 5325 } 5326 } 5327 return null; 5328 } 5329 5330 @Override 5331 public int getUidForSharedUser(String sharedUserName) { 5332 if(sharedUserName == null) { 5333 return -1; 5334 } 5335 // reader 5336 synchronized (mPackages) { 5337 SharedUserSetting suid; 5338 try { 5339 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5340 if (suid != null) { 5341 return suid.userId; 5342 } 5343 } catch (PackageManagerException ignore) { 5344 // can't happen, but, still need to catch it 5345 } 5346 return -1; 5347 } 5348 } 5349 5350 @Override 5351 public int getFlagsForUid(int uid) { 5352 synchronized (mPackages) { 5353 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5354 if (obj instanceof SharedUserSetting) { 5355 final SharedUserSetting sus = (SharedUserSetting) obj; 5356 return sus.pkgFlags; 5357 } else if (obj instanceof PackageSetting) { 5358 final PackageSetting ps = (PackageSetting) obj; 5359 return ps.pkgFlags; 5360 } 5361 } 5362 return 0; 5363 } 5364 5365 @Override 5366 public int getPrivateFlagsForUid(int uid) { 5367 synchronized (mPackages) { 5368 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5369 if (obj instanceof SharedUserSetting) { 5370 final SharedUserSetting sus = (SharedUserSetting) obj; 5371 return sus.pkgPrivateFlags; 5372 } else if (obj instanceof PackageSetting) { 5373 final PackageSetting ps = (PackageSetting) obj; 5374 return ps.pkgPrivateFlags; 5375 } 5376 } 5377 return 0; 5378 } 5379 5380 @Override 5381 public boolean isUidPrivileged(int uid) { 5382 uid = UserHandle.getAppId(uid); 5383 // reader 5384 synchronized (mPackages) { 5385 Object obj = mSettings.getUserIdLPr(uid); 5386 if (obj instanceof SharedUserSetting) { 5387 final SharedUserSetting sus = (SharedUserSetting) obj; 5388 final Iterator<PackageSetting> it = sus.packages.iterator(); 5389 while (it.hasNext()) { 5390 if (it.next().isPrivileged()) { 5391 return true; 5392 } 5393 } 5394 } else if (obj instanceof PackageSetting) { 5395 final PackageSetting ps = (PackageSetting) obj; 5396 return ps.isPrivileged(); 5397 } 5398 } 5399 return false; 5400 } 5401 5402 @Override 5403 public String[] getAppOpPermissionPackages(String permissionName) { 5404 synchronized (mPackages) { 5405 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5406 if (pkgs == null) { 5407 return null; 5408 } 5409 return pkgs.toArray(new String[pkgs.size()]); 5410 } 5411 } 5412 5413 @Override 5414 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5415 int flags, int userId) { 5416 try { 5417 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5418 5419 if (!sUserManager.exists(userId)) return null; 5420 flags = updateFlagsForResolve(flags, userId, intent); 5421 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5422 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5423 5424 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5425 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5426 flags, userId); 5427 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5428 5429 final ResolveInfo bestChoice = 5430 chooseBestActivity(intent, resolvedType, flags, query, userId); 5431 return bestChoice; 5432 } finally { 5433 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5434 } 5435 } 5436 5437 @Override 5438 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5439 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5440 throw new SecurityException( 5441 "findPersistentPreferredActivity can only be run by the system"); 5442 } 5443 if (!sUserManager.exists(userId)) { 5444 return null; 5445 } 5446 intent = updateIntentForResolve(intent); 5447 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5448 final int flags = updateFlagsForResolve(0, userId, intent); 5449 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5450 userId); 5451 synchronized (mPackages) { 5452 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5453 userId); 5454 } 5455 } 5456 5457 @Override 5458 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5459 IntentFilter filter, int match, ComponentName activity) { 5460 final int userId = UserHandle.getCallingUserId(); 5461 if (DEBUG_PREFERRED) { 5462 Log.v(TAG, "setLastChosenActivity intent=" + intent 5463 + " resolvedType=" + resolvedType 5464 + " flags=" + flags 5465 + " filter=" + filter 5466 + " match=" + match 5467 + " activity=" + activity); 5468 filter.dump(new PrintStreamPrinter(System.out), " "); 5469 } 5470 intent.setComponent(null); 5471 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5472 userId); 5473 // Find any earlier preferred or last chosen entries and nuke them 5474 findPreferredActivity(intent, resolvedType, 5475 flags, query, 0, false, true, false, userId); 5476 // Add the new activity as the last chosen for this filter 5477 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5478 "Setting last chosen"); 5479 } 5480 5481 @Override 5482 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5483 final int userId = UserHandle.getCallingUserId(); 5484 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5485 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5486 userId); 5487 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5488 false, false, false, userId); 5489 } 5490 5491 private boolean isEphemeralDisabled() { 5492 // ephemeral apps have been disabled across the board 5493 if (DISABLE_EPHEMERAL_APPS) { 5494 return true; 5495 } 5496 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5497 if (!mSystemReady) { 5498 return true; 5499 } 5500 // we can't get a content resolver until the system is ready; these checks must happen last 5501 final ContentResolver resolver = mContext.getContentResolver(); 5502 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5503 return true; 5504 } 5505 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5506 } 5507 5508 private boolean isEphemeralAllowed( 5509 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5510 boolean skipPackageCheck) { 5511 // Short circuit and return early if possible. 5512 if (isEphemeralDisabled()) { 5513 return false; 5514 } 5515 final int callingUser = UserHandle.getCallingUserId(); 5516 if (callingUser != UserHandle.USER_SYSTEM) { 5517 return false; 5518 } 5519 if (mEphemeralResolverConnection == null) { 5520 return false; 5521 } 5522 if (mEphemeralInstallerComponent == null) { 5523 return false; 5524 } 5525 if (intent.getComponent() != null) { 5526 return false; 5527 } 5528 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5529 return false; 5530 } 5531 if (!skipPackageCheck && intent.getPackage() != null) { 5532 return false; 5533 } 5534 final boolean isWebUri = hasWebURI(intent); 5535 if (!isWebUri || intent.getData().getHost() == null) { 5536 return false; 5537 } 5538 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5539 synchronized (mPackages) { 5540 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5541 for (int n = 0; n < count; n++) { 5542 ResolveInfo info = resolvedActivities.get(n); 5543 String packageName = info.activityInfo.packageName; 5544 PackageSetting ps = mSettings.mPackages.get(packageName); 5545 if (ps != null) { 5546 // Try to get the status from User settings first 5547 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5548 int status = (int) (packedStatus >> 32); 5549 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5550 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5551 if (DEBUG_EPHEMERAL) { 5552 Slog.v(TAG, "DENY ephemeral apps;" 5553 + " pkg: " + packageName + ", status: " + status); 5554 } 5555 return false; 5556 } 5557 } 5558 } 5559 } 5560 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5561 return true; 5562 } 5563 5564 private void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 5565 Intent origIntent, String resolvedType, Intent launchIntent, String callingPackage, 5566 int userId) { 5567 final Message msg = mHandler.obtainMessage(EPHEMERAL_RESOLUTION_PHASE_TWO, 5568 new EphemeralRequest(responseObj, origIntent, resolvedType, launchIntent, 5569 callingPackage, userId)); 5570 mHandler.sendMessage(msg); 5571 } 5572 5573 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5574 int flags, List<ResolveInfo> query, int userId) { 5575 if (query != null) { 5576 final int N = query.size(); 5577 if (N == 1) { 5578 return query.get(0); 5579 } else if (N > 1) { 5580 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5581 // If there is more than one activity with the same priority, 5582 // then let the user decide between them. 5583 ResolveInfo r0 = query.get(0); 5584 ResolveInfo r1 = query.get(1); 5585 if (DEBUG_INTENT_MATCHING || debug) { 5586 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5587 + r1.activityInfo.name + "=" + r1.priority); 5588 } 5589 // If the first activity has a higher priority, or a different 5590 // default, then it is always desirable to pick it. 5591 if (r0.priority != r1.priority 5592 || r0.preferredOrder != r1.preferredOrder 5593 || r0.isDefault != r1.isDefault) { 5594 return query.get(0); 5595 } 5596 // If we have saved a preference for a preferred activity for 5597 // this Intent, use that. 5598 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5599 flags, query, r0.priority, true, false, debug, userId); 5600 if (ri != null) { 5601 return ri; 5602 } 5603 ri = new ResolveInfo(mResolveInfo); 5604 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5605 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5606 // If all of the options come from the same package, show the application's 5607 // label and icon instead of the generic resolver's. 5608 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5609 // and then throw away the ResolveInfo itself, meaning that the caller loses 5610 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5611 // a fallback for this case; we only set the target package's resources on 5612 // the ResolveInfo, not the ActivityInfo. 5613 final String intentPackage = intent.getPackage(); 5614 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5615 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5616 ri.resolvePackageName = intentPackage; 5617 if (userNeedsBadging(userId)) { 5618 ri.noResourceId = true; 5619 } else { 5620 ri.icon = appi.icon; 5621 } 5622 ri.iconResourceId = appi.icon; 5623 ri.labelRes = appi.labelRes; 5624 } 5625 ri.activityInfo.applicationInfo = new ApplicationInfo( 5626 ri.activityInfo.applicationInfo); 5627 if (userId != 0) { 5628 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5629 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5630 } 5631 // Make sure that the resolver is displayable in car mode 5632 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5633 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5634 return ri; 5635 } 5636 } 5637 return null; 5638 } 5639 5640 /** 5641 * Return true if the given list is not empty and all of its contents have 5642 * an activityInfo with the given package name. 5643 */ 5644 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5645 if (ArrayUtils.isEmpty(list)) { 5646 return false; 5647 } 5648 for (int i = 0, N = list.size(); i < N; i++) { 5649 final ResolveInfo ri = list.get(i); 5650 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5651 if (ai == null || !packageName.equals(ai.packageName)) { 5652 return false; 5653 } 5654 } 5655 return true; 5656 } 5657 5658 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5659 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5660 final int N = query.size(); 5661 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5662 .get(userId); 5663 // Get the list of persistent preferred activities that handle the intent 5664 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5665 List<PersistentPreferredActivity> pprefs = ppir != null 5666 ? ppir.queryIntent(intent, resolvedType, 5667 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5668 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5669 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5670 : null; 5671 if (pprefs != null && pprefs.size() > 0) { 5672 final int M = pprefs.size(); 5673 for (int i=0; i<M; i++) { 5674 final PersistentPreferredActivity ppa = pprefs.get(i); 5675 if (DEBUG_PREFERRED || debug) { 5676 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5677 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5678 + "\n component=" + ppa.mComponent); 5679 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5680 } 5681 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5682 flags | MATCH_DISABLED_COMPONENTS, userId); 5683 if (DEBUG_PREFERRED || debug) { 5684 Slog.v(TAG, "Found persistent preferred activity:"); 5685 if (ai != null) { 5686 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5687 } else { 5688 Slog.v(TAG, " null"); 5689 } 5690 } 5691 if (ai == null) { 5692 // This previously registered persistent preferred activity 5693 // component is no longer known. Ignore it and do NOT remove it. 5694 continue; 5695 } 5696 for (int j=0; j<N; j++) { 5697 final ResolveInfo ri = query.get(j); 5698 if (!ri.activityInfo.applicationInfo.packageName 5699 .equals(ai.applicationInfo.packageName)) { 5700 continue; 5701 } 5702 if (!ri.activityInfo.name.equals(ai.name)) { 5703 continue; 5704 } 5705 // Found a persistent preference that can handle the intent. 5706 if (DEBUG_PREFERRED || debug) { 5707 Slog.v(TAG, "Returning persistent preferred activity: " + 5708 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5709 } 5710 return ri; 5711 } 5712 } 5713 } 5714 return null; 5715 } 5716 5717 // TODO: handle preferred activities missing while user has amnesia 5718 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5719 List<ResolveInfo> query, int priority, boolean always, 5720 boolean removeMatches, boolean debug, int userId) { 5721 if (!sUserManager.exists(userId)) return null; 5722 flags = updateFlagsForResolve(flags, userId, intent); 5723 intent = updateIntentForResolve(intent); 5724 // writer 5725 synchronized (mPackages) { 5726 // Try to find a matching persistent preferred activity. 5727 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5728 debug, userId); 5729 5730 // If a persistent preferred activity matched, use it. 5731 if (pri != null) { 5732 return pri; 5733 } 5734 5735 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5736 // Get the list of preferred activities that handle the intent 5737 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5738 List<PreferredActivity> prefs = pir != null 5739 ? pir.queryIntent(intent, resolvedType, 5740 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5741 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 5742 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId) 5743 : null; 5744 if (prefs != null && prefs.size() > 0) { 5745 boolean changed = false; 5746 try { 5747 // First figure out how good the original match set is. 5748 // We will only allow preferred activities that came 5749 // from the same match quality. 5750 int match = 0; 5751 5752 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5753 5754 final int N = query.size(); 5755 for (int j=0; j<N; j++) { 5756 final ResolveInfo ri = query.get(j); 5757 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5758 + ": 0x" + Integer.toHexString(match)); 5759 if (ri.match > match) { 5760 match = ri.match; 5761 } 5762 } 5763 5764 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5765 + Integer.toHexString(match)); 5766 5767 match &= IntentFilter.MATCH_CATEGORY_MASK; 5768 final int M = prefs.size(); 5769 for (int i=0; i<M; i++) { 5770 final PreferredActivity pa = prefs.get(i); 5771 if (DEBUG_PREFERRED || debug) { 5772 Slog.v(TAG, "Checking PreferredActivity ds=" 5773 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5774 + "\n component=" + pa.mPref.mComponent); 5775 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5776 } 5777 if (pa.mPref.mMatch != match) { 5778 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5779 + Integer.toHexString(pa.mPref.mMatch)); 5780 continue; 5781 } 5782 // If it's not an "always" type preferred activity and that's what we're 5783 // looking for, skip it. 5784 if (always && !pa.mPref.mAlways) { 5785 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5786 continue; 5787 } 5788 final ActivityInfo ai = getActivityInfo( 5789 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5790 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5791 userId); 5792 if (DEBUG_PREFERRED || debug) { 5793 Slog.v(TAG, "Found preferred activity:"); 5794 if (ai != null) { 5795 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5796 } else { 5797 Slog.v(TAG, " null"); 5798 } 5799 } 5800 if (ai == null) { 5801 // This previously registered preferred activity 5802 // component is no longer known. Most likely an update 5803 // to the app was installed and in the new version this 5804 // component no longer exists. Clean it up by removing 5805 // it from the preferred activities list, and skip it. 5806 Slog.w(TAG, "Removing dangling preferred activity: " 5807 + pa.mPref.mComponent); 5808 pir.removeFilter(pa); 5809 changed = true; 5810 continue; 5811 } 5812 for (int j=0; j<N; j++) { 5813 final ResolveInfo ri = query.get(j); 5814 if (!ri.activityInfo.applicationInfo.packageName 5815 .equals(ai.applicationInfo.packageName)) { 5816 continue; 5817 } 5818 if (!ri.activityInfo.name.equals(ai.name)) { 5819 continue; 5820 } 5821 5822 if (removeMatches) { 5823 pir.removeFilter(pa); 5824 changed = true; 5825 if (DEBUG_PREFERRED) { 5826 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5827 } 5828 break; 5829 } 5830 5831 // Okay we found a previously set preferred or last chosen app. 5832 // If the result set is different from when this 5833 // was created, we need to clear it and re-ask the 5834 // user their preference, if we're looking for an "always" type entry. 5835 if (always && !pa.mPref.sameSet(query)) { 5836 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5837 + intent + " type " + resolvedType); 5838 if (DEBUG_PREFERRED) { 5839 Slog.v(TAG, "Removing preferred activity since set changed " 5840 + pa.mPref.mComponent); 5841 } 5842 pir.removeFilter(pa); 5843 // Re-add the filter as a "last chosen" entry (!always) 5844 PreferredActivity lastChosen = new PreferredActivity( 5845 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5846 pir.addFilter(lastChosen); 5847 changed = true; 5848 return null; 5849 } 5850 5851 // Yay! Either the set matched or we're looking for the last chosen 5852 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5853 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5854 return ri; 5855 } 5856 } 5857 } finally { 5858 if (changed) { 5859 if (DEBUG_PREFERRED) { 5860 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5861 } 5862 scheduleWritePackageRestrictionsLocked(userId); 5863 } 5864 } 5865 } 5866 } 5867 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5868 return null; 5869 } 5870 5871 /* 5872 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5873 */ 5874 @Override 5875 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5876 int targetUserId) { 5877 mContext.enforceCallingOrSelfPermission( 5878 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5879 List<CrossProfileIntentFilter> matches = 5880 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5881 if (matches != null) { 5882 int size = matches.size(); 5883 for (int i = 0; i < size; i++) { 5884 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5885 } 5886 } 5887 if (hasWebURI(intent)) { 5888 // cross-profile app linking works only towards the parent. 5889 final UserInfo parent = getProfileParent(sourceUserId); 5890 synchronized(mPackages) { 5891 int flags = updateFlagsForResolve(0, parent.id, intent); 5892 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5893 intent, resolvedType, flags, sourceUserId, parent.id); 5894 return xpDomainInfo != null; 5895 } 5896 } 5897 return false; 5898 } 5899 5900 private UserInfo getProfileParent(int userId) { 5901 final long identity = Binder.clearCallingIdentity(); 5902 try { 5903 return sUserManager.getProfileParent(userId); 5904 } finally { 5905 Binder.restoreCallingIdentity(identity); 5906 } 5907 } 5908 5909 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5910 String resolvedType, int userId) { 5911 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5912 if (resolver != null) { 5913 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, 5914 false /*visibleToEphemeral*/, false /*isEphemeral*/, userId); 5915 } 5916 return null; 5917 } 5918 5919 @Override 5920 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5921 String resolvedType, int flags, int userId) { 5922 try { 5923 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5924 5925 return new ParceledListSlice<>( 5926 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5927 } finally { 5928 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5929 } 5930 } 5931 5932 /** 5933 * Returns the package name of the calling Uid if it's an ephemeral app. If it isn't 5934 * ephemeral, returns {@code null}. 5935 */ 5936 private String getEphemeralPackageName(int callingUid) { 5937 final int appId = UserHandle.getAppId(callingUid); 5938 synchronized (mPackages) { 5939 final Object obj = mSettings.getUserIdLPr(appId); 5940 if (obj instanceof PackageSetting) { 5941 final PackageSetting ps = (PackageSetting) obj; 5942 return ps.pkg.applicationInfo.isEphemeralApp() ? ps.pkg.packageName : null; 5943 } 5944 } 5945 return null; 5946 } 5947 5948 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5949 String resolvedType, int flags, int userId) { 5950 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5951 final String ephemeralPkgName = getEphemeralPackageName(Binder.getCallingUid()); 5952 flags = updateFlagsForResolve(flags, userId, intent); 5953 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5954 false /* requireFullPermission */, false /* checkShell */, 5955 "query intent activities"); 5956 ComponentName comp = intent.getComponent(); 5957 if (comp == null) { 5958 if (intent.getSelector() != null) { 5959 intent = intent.getSelector(); 5960 comp = intent.getComponent(); 5961 } 5962 } 5963 5964 if (comp != null) { 5965 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5966 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5967 if (ai != null) { 5968 // When specifying an explicit component, we prevent the activity from being 5969 // used when either 1) the calling package is normal and the activity is within 5970 // an ephemeral application or 2) the calling package is ephemeral and the 5971 // activity is not visible to ephemeral applications. 5972 boolean matchEphemeral = 5973 (flags & PackageManager.MATCH_EPHEMERAL) != 0; 5974 boolean ephemeralVisibleOnly = 5975 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 5976 boolean blockResolution = 5977 (!matchEphemeral && ephemeralPkgName == null 5978 && (ai.applicationInfo.privateFlags 5979 & ApplicationInfo.PRIVATE_FLAG_EPHEMERAL) != 0) 5980 || (ephemeralVisibleOnly && ephemeralPkgName != null 5981 && (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0); 5982 if (!blockResolution) { 5983 final ResolveInfo ri = new ResolveInfo(); 5984 ri.activityInfo = ai; 5985 list.add(ri); 5986 } 5987 } 5988 return list; 5989 } 5990 5991 // reader 5992 boolean sortResult = false; 5993 boolean addEphemeral = false; 5994 List<ResolveInfo> result; 5995 final String pkgName = intent.getPackage(); 5996 synchronized (mPackages) { 5997 if (pkgName == null) { 5998 List<CrossProfileIntentFilter> matchingFilters = 5999 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6000 // Check for results that need to skip the current profile. 6001 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6002 resolvedType, flags, userId); 6003 if (xpResolveInfo != null) { 6004 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6005 xpResult.add(xpResolveInfo); 6006 return filterForEphemeral( 6007 filterIfNotSystemUser(xpResult, userId), ephemeralPkgName); 6008 } 6009 6010 // Check for results in the current profile. 6011 result = filterIfNotSystemUser(mActivities.queryIntent( 6012 intent, resolvedType, flags, userId), userId); 6013 addEphemeral = 6014 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6015 6016 // Check for cross profile results. 6017 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6018 xpResolveInfo = queryCrossProfileIntents( 6019 matchingFilters, intent, resolvedType, flags, userId, 6020 hasNonNegativePriorityResult); 6021 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6022 boolean isVisibleToUser = filterIfNotSystemUser( 6023 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6024 if (isVisibleToUser) { 6025 result.add(xpResolveInfo); 6026 sortResult = true; 6027 } 6028 } 6029 if (hasWebURI(intent)) { 6030 CrossProfileDomainInfo xpDomainInfo = null; 6031 final UserInfo parent = getProfileParent(userId); 6032 if (parent != null) { 6033 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6034 flags, userId, parent.id); 6035 } 6036 if (xpDomainInfo != null) { 6037 if (xpResolveInfo != null) { 6038 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6039 // in the result. 6040 result.remove(xpResolveInfo); 6041 } 6042 if (result.size() == 0 && !addEphemeral) { 6043 // No result in current profile, but found candidate in parent user. 6044 // And we are not going to add emphemeral app, so we can return the 6045 // result straight away. 6046 result.add(xpDomainInfo.resolveInfo); 6047 return filterForEphemeral(result, ephemeralPkgName); 6048 } 6049 } else if (result.size() <= 1 && !addEphemeral) { 6050 // No result in parent user and <= 1 result in current profile, and we 6051 // are not going to add emphemeral app, so we can return the result without 6052 // further processing. 6053 return filterForEphemeral(result, ephemeralPkgName); 6054 } 6055 // We have more than one candidate (combining results from current and parent 6056 // profile), so we need filtering and sorting. 6057 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6058 intent, flags, result, xpDomainInfo, userId); 6059 sortResult = true; 6060 } 6061 } else { 6062 final PackageParser.Package pkg = mPackages.get(pkgName); 6063 if (pkg != null) { 6064 result = filterForEphemeral(filterIfNotSystemUser( 6065 mActivities.queryIntentForPackage( 6066 intent, resolvedType, flags, pkg.activities, userId), 6067 userId), ephemeralPkgName); 6068 } else { 6069 // the caller wants to resolve for a particular package; however, there 6070 // were no installed results, so, try to find an ephemeral result 6071 addEphemeral = isEphemeralAllowed( 6072 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6073 result = new ArrayList<ResolveInfo>(); 6074 } 6075 } 6076 } 6077 if (addEphemeral) { 6078 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6079 final EphemeralRequest requestObject = new EphemeralRequest( 6080 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6081 null /*launchIntent*/, null /*callingPackage*/, userId); 6082 final EphemeralResponse intentInfo = EphemeralResolver.doEphemeralResolutionPhaseOne( 6083 mContext, mEphemeralResolverConnection, requestObject); 6084 if (intentInfo != null) { 6085 if (DEBUG_EPHEMERAL) { 6086 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6087 } 6088 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 6089 ephemeralInstaller.ephemeralResponse = intentInfo; 6090 // make sure this resolver is the default 6091 ephemeralInstaller.isDefault = true; 6092 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6093 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6094 // add a non-generic filter 6095 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6096 ephemeralInstaller.filter.addDataPath( 6097 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6098 result.add(ephemeralInstaller); 6099 } 6100 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6101 } 6102 if (sortResult) { 6103 Collections.sort(result, mResolvePrioritySorter); 6104 } 6105 return filterForEphemeral(result, ephemeralPkgName); 6106 } 6107 6108 private static class CrossProfileDomainInfo { 6109 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6110 ResolveInfo resolveInfo; 6111 /* Best domain verification status of the activities found in the other profile */ 6112 int bestDomainVerificationStatus; 6113 } 6114 6115 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6116 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6117 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6118 sourceUserId)) { 6119 return null; 6120 } 6121 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6122 resolvedType, flags, parentUserId); 6123 6124 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6125 return null; 6126 } 6127 CrossProfileDomainInfo result = null; 6128 int size = resultTargetUser.size(); 6129 for (int i = 0; i < size; i++) { 6130 ResolveInfo riTargetUser = resultTargetUser.get(i); 6131 // Intent filter verification is only for filters that specify a host. So don't return 6132 // those that handle all web uris. 6133 if (riTargetUser.handleAllWebDataURI) { 6134 continue; 6135 } 6136 String packageName = riTargetUser.activityInfo.packageName; 6137 PackageSetting ps = mSettings.mPackages.get(packageName); 6138 if (ps == null) { 6139 continue; 6140 } 6141 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6142 int status = (int)(verificationState >> 32); 6143 if (result == null) { 6144 result = new CrossProfileDomainInfo(); 6145 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6146 sourceUserId, parentUserId); 6147 result.bestDomainVerificationStatus = status; 6148 } else { 6149 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6150 result.bestDomainVerificationStatus); 6151 } 6152 } 6153 // Don't consider matches with status NEVER across profiles. 6154 if (result != null && result.bestDomainVerificationStatus 6155 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6156 return null; 6157 } 6158 return result; 6159 } 6160 6161 /** 6162 * Verification statuses are ordered from the worse to the best, except for 6163 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6164 */ 6165 private int bestDomainVerificationStatus(int status1, int status2) { 6166 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6167 return status2; 6168 } 6169 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6170 return status1; 6171 } 6172 return (int) MathUtils.max(status1, status2); 6173 } 6174 6175 private boolean isUserEnabled(int userId) { 6176 long callingId = Binder.clearCallingIdentity(); 6177 try { 6178 UserInfo userInfo = sUserManager.getUserInfo(userId); 6179 return userInfo != null && userInfo.isEnabled(); 6180 } finally { 6181 Binder.restoreCallingIdentity(callingId); 6182 } 6183 } 6184 6185 /** 6186 * Filter out activities with systemUserOnly flag set, when current user is not System. 6187 * 6188 * @return filtered list 6189 */ 6190 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6191 if (userId == UserHandle.USER_SYSTEM) { 6192 return resolveInfos; 6193 } 6194 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6195 ResolveInfo info = resolveInfos.get(i); 6196 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6197 resolveInfos.remove(i); 6198 } 6199 } 6200 return resolveInfos; 6201 } 6202 6203 /** 6204 * Filters out ephemeral activities. 6205 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6206 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6207 * 6208 * @param resolveInfos The pre-filtered list of resolved activities 6209 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6210 * is performed. 6211 * @return A filtered list of resolved activities. 6212 */ 6213 private List<ResolveInfo> filterForEphemeral(List<ResolveInfo> resolveInfos, 6214 String ephemeralPkgName) { 6215 if (ephemeralPkgName == null) { 6216 return resolveInfos; 6217 } 6218 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6219 ResolveInfo info = resolveInfos.get(i); 6220 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isEphemeralApp(); 6221 // allow activities that are defined in the provided package 6222 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6223 continue; 6224 } 6225 // allow activities that have been explicitly exposed to ephemeral apps 6226 if (!isEphemeralApp 6227 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6228 continue; 6229 } 6230 resolveInfos.remove(i); 6231 } 6232 return resolveInfos; 6233 } 6234 6235 /** 6236 * @param resolveInfos list of resolve infos in descending priority order 6237 * @return if the list contains a resolve info with non-negative priority 6238 */ 6239 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6240 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6241 } 6242 6243 private static boolean hasWebURI(Intent intent) { 6244 if (intent.getData() == null) { 6245 return false; 6246 } 6247 final String scheme = intent.getScheme(); 6248 if (TextUtils.isEmpty(scheme)) { 6249 return false; 6250 } 6251 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6252 } 6253 6254 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6255 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6256 int userId) { 6257 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6258 6259 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6260 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6261 candidates.size()); 6262 } 6263 6264 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6265 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6266 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6267 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6268 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6269 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6270 6271 synchronized (mPackages) { 6272 final int count = candidates.size(); 6273 // First, try to use linked apps. Partition the candidates into four lists: 6274 // one for the final results, one for the "do not use ever", one for "undefined status" 6275 // and finally one for "browser app type". 6276 for (int n=0; n<count; n++) { 6277 ResolveInfo info = candidates.get(n); 6278 String packageName = info.activityInfo.packageName; 6279 PackageSetting ps = mSettings.mPackages.get(packageName); 6280 if (ps != null) { 6281 // Add to the special match all list (Browser use case) 6282 if (info.handleAllWebDataURI) { 6283 matchAllList.add(info); 6284 continue; 6285 } 6286 // Try to get the status from User settings first 6287 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6288 int status = (int)(packedStatus >> 32); 6289 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6290 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6291 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6292 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6293 + " : linkgen=" + linkGeneration); 6294 } 6295 // Use link-enabled generation as preferredOrder, i.e. 6296 // prefer newly-enabled over earlier-enabled. 6297 info.preferredOrder = linkGeneration; 6298 alwaysList.add(info); 6299 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6300 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6301 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6302 } 6303 neverList.add(info); 6304 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6305 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6306 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6307 } 6308 alwaysAskList.add(info); 6309 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6310 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6311 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6312 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6313 } 6314 undefinedList.add(info); 6315 } 6316 } 6317 } 6318 6319 // We'll want to include browser possibilities in a few cases 6320 boolean includeBrowser = false; 6321 6322 // First try to add the "always" resolution(s) for the current user, if any 6323 if (alwaysList.size() > 0) { 6324 result.addAll(alwaysList); 6325 } else { 6326 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6327 result.addAll(undefinedList); 6328 // Maybe add one for the other profile. 6329 if (xpDomainInfo != null && ( 6330 xpDomainInfo.bestDomainVerificationStatus 6331 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6332 result.add(xpDomainInfo.resolveInfo); 6333 } 6334 includeBrowser = true; 6335 } 6336 6337 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6338 // If there were 'always' entries their preferred order has been set, so we also 6339 // back that off to make the alternatives equivalent 6340 if (alwaysAskList.size() > 0) { 6341 for (ResolveInfo i : result) { 6342 i.preferredOrder = 0; 6343 } 6344 result.addAll(alwaysAskList); 6345 includeBrowser = true; 6346 } 6347 6348 if (includeBrowser) { 6349 // Also add browsers (all of them or only the default one) 6350 if (DEBUG_DOMAIN_VERIFICATION) { 6351 Slog.v(TAG, " ...including browsers in candidate set"); 6352 } 6353 if ((matchFlags & MATCH_ALL) != 0) { 6354 result.addAll(matchAllList); 6355 } else { 6356 // Browser/generic handling case. If there's a default browser, go straight 6357 // to that (but only if there is no other higher-priority match). 6358 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6359 int maxMatchPrio = 0; 6360 ResolveInfo defaultBrowserMatch = null; 6361 final int numCandidates = matchAllList.size(); 6362 for (int n = 0; n < numCandidates; n++) { 6363 ResolveInfo info = matchAllList.get(n); 6364 // track the highest overall match priority... 6365 if (info.priority > maxMatchPrio) { 6366 maxMatchPrio = info.priority; 6367 } 6368 // ...and the highest-priority default browser match 6369 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6370 if (defaultBrowserMatch == null 6371 || (defaultBrowserMatch.priority < info.priority)) { 6372 if (debug) { 6373 Slog.v(TAG, "Considering default browser match " + info); 6374 } 6375 defaultBrowserMatch = info; 6376 } 6377 } 6378 } 6379 if (defaultBrowserMatch != null 6380 && defaultBrowserMatch.priority >= maxMatchPrio 6381 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6382 { 6383 if (debug) { 6384 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6385 } 6386 result.add(defaultBrowserMatch); 6387 } else { 6388 result.addAll(matchAllList); 6389 } 6390 } 6391 6392 // If there is nothing selected, add all candidates and remove the ones that the user 6393 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6394 if (result.size() == 0) { 6395 result.addAll(candidates); 6396 result.removeAll(neverList); 6397 } 6398 } 6399 } 6400 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6401 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6402 result.size()); 6403 for (ResolveInfo info : result) { 6404 Slog.v(TAG, " + " + info.activityInfo); 6405 } 6406 } 6407 return result; 6408 } 6409 6410 // Returns a packed value as a long: 6411 // 6412 // high 'int'-sized word: link status: undefined/ask/never/always. 6413 // low 'int'-sized word: relative priority among 'always' results. 6414 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6415 long result = ps.getDomainVerificationStatusForUser(userId); 6416 // if none available, get the master status 6417 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6418 if (ps.getIntentFilterVerificationInfo() != null) { 6419 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6420 } 6421 } 6422 return result; 6423 } 6424 6425 private ResolveInfo querySkipCurrentProfileIntents( 6426 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6427 int flags, int sourceUserId) { 6428 if (matchingFilters != null) { 6429 int size = matchingFilters.size(); 6430 for (int i = 0; i < size; i ++) { 6431 CrossProfileIntentFilter filter = matchingFilters.get(i); 6432 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6433 // Checking if there are activities in the target user that can handle the 6434 // intent. 6435 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6436 resolvedType, flags, sourceUserId); 6437 if (resolveInfo != null) { 6438 return resolveInfo; 6439 } 6440 } 6441 } 6442 } 6443 return null; 6444 } 6445 6446 // Return matching ResolveInfo in target user if any. 6447 private ResolveInfo queryCrossProfileIntents( 6448 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6449 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6450 if (matchingFilters != null) { 6451 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6452 // match the same intent. For performance reasons, it is better not to 6453 // run queryIntent twice for the same userId 6454 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6455 int size = matchingFilters.size(); 6456 for (int i = 0; i < size; i++) { 6457 CrossProfileIntentFilter filter = matchingFilters.get(i); 6458 int targetUserId = filter.getTargetUserId(); 6459 boolean skipCurrentProfile = 6460 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6461 boolean skipCurrentProfileIfNoMatchFound = 6462 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6463 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6464 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6465 // Checking if there are activities in the target user that can handle the 6466 // intent. 6467 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6468 resolvedType, flags, sourceUserId); 6469 if (resolveInfo != null) return resolveInfo; 6470 alreadyTriedUserIds.put(targetUserId, true); 6471 } 6472 } 6473 } 6474 return null; 6475 } 6476 6477 /** 6478 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6479 * will forward the intent to the filter's target user. 6480 * Otherwise, returns null. 6481 */ 6482 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6483 String resolvedType, int flags, int sourceUserId) { 6484 int targetUserId = filter.getTargetUserId(); 6485 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6486 resolvedType, flags, targetUserId); 6487 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6488 // If all the matches in the target profile are suspended, return null. 6489 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6490 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6491 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6492 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6493 targetUserId); 6494 } 6495 } 6496 } 6497 return null; 6498 } 6499 6500 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6501 int sourceUserId, int targetUserId) { 6502 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6503 long ident = Binder.clearCallingIdentity(); 6504 boolean targetIsProfile; 6505 try { 6506 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6507 } finally { 6508 Binder.restoreCallingIdentity(ident); 6509 } 6510 String className; 6511 if (targetIsProfile) { 6512 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6513 } else { 6514 className = FORWARD_INTENT_TO_PARENT; 6515 } 6516 ComponentName forwardingActivityComponentName = new ComponentName( 6517 mAndroidApplication.packageName, className); 6518 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6519 sourceUserId); 6520 if (!targetIsProfile) { 6521 forwardingActivityInfo.showUserIcon = targetUserId; 6522 forwardingResolveInfo.noResourceId = true; 6523 } 6524 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6525 forwardingResolveInfo.priority = 0; 6526 forwardingResolveInfo.preferredOrder = 0; 6527 forwardingResolveInfo.match = 0; 6528 forwardingResolveInfo.isDefault = true; 6529 forwardingResolveInfo.filter = filter; 6530 forwardingResolveInfo.targetUserId = targetUserId; 6531 return forwardingResolveInfo; 6532 } 6533 6534 @Override 6535 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6536 Intent[] specifics, String[] specificTypes, Intent intent, 6537 String resolvedType, int flags, int userId) { 6538 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6539 specificTypes, intent, resolvedType, flags, userId)); 6540 } 6541 6542 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6543 Intent[] specifics, String[] specificTypes, Intent intent, 6544 String resolvedType, int flags, int userId) { 6545 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6546 flags = updateFlagsForResolve(flags, userId, intent); 6547 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6548 false /* requireFullPermission */, false /* checkShell */, 6549 "query intent activity options"); 6550 final String resultsAction = intent.getAction(); 6551 6552 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6553 | PackageManager.GET_RESOLVED_FILTER, userId); 6554 6555 if (DEBUG_INTENT_MATCHING) { 6556 Log.v(TAG, "Query " + intent + ": " + results); 6557 } 6558 6559 int specificsPos = 0; 6560 int N; 6561 6562 // todo: note that the algorithm used here is O(N^2). This 6563 // isn't a problem in our current environment, but if we start running 6564 // into situations where we have more than 5 or 10 matches then this 6565 // should probably be changed to something smarter... 6566 6567 // First we go through and resolve each of the specific items 6568 // that were supplied, taking care of removing any corresponding 6569 // duplicate items in the generic resolve list. 6570 if (specifics != null) { 6571 for (int i=0; i<specifics.length; i++) { 6572 final Intent sintent = specifics[i]; 6573 if (sintent == null) { 6574 continue; 6575 } 6576 6577 if (DEBUG_INTENT_MATCHING) { 6578 Log.v(TAG, "Specific #" + i + ": " + sintent); 6579 } 6580 6581 String action = sintent.getAction(); 6582 if (resultsAction != null && resultsAction.equals(action)) { 6583 // If this action was explicitly requested, then don't 6584 // remove things that have it. 6585 action = null; 6586 } 6587 6588 ResolveInfo ri = null; 6589 ActivityInfo ai = null; 6590 6591 ComponentName comp = sintent.getComponent(); 6592 if (comp == null) { 6593 ri = resolveIntent( 6594 sintent, 6595 specificTypes != null ? specificTypes[i] : null, 6596 flags, userId); 6597 if (ri == null) { 6598 continue; 6599 } 6600 if (ri == mResolveInfo) { 6601 // ACK! Must do something better with this. 6602 } 6603 ai = ri.activityInfo; 6604 comp = new ComponentName(ai.applicationInfo.packageName, 6605 ai.name); 6606 } else { 6607 ai = getActivityInfo(comp, flags, userId); 6608 if (ai == null) { 6609 continue; 6610 } 6611 } 6612 6613 // Look for any generic query activities that are duplicates 6614 // of this specific one, and remove them from the results. 6615 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6616 N = results.size(); 6617 int j; 6618 for (j=specificsPos; j<N; j++) { 6619 ResolveInfo sri = results.get(j); 6620 if ((sri.activityInfo.name.equals(comp.getClassName()) 6621 && sri.activityInfo.applicationInfo.packageName.equals( 6622 comp.getPackageName())) 6623 || (action != null && sri.filter.matchAction(action))) { 6624 results.remove(j); 6625 if (DEBUG_INTENT_MATCHING) Log.v( 6626 TAG, "Removing duplicate item from " + j 6627 + " due to specific " + specificsPos); 6628 if (ri == null) { 6629 ri = sri; 6630 } 6631 j--; 6632 N--; 6633 } 6634 } 6635 6636 // Add this specific item to its proper place. 6637 if (ri == null) { 6638 ri = new ResolveInfo(); 6639 ri.activityInfo = ai; 6640 } 6641 results.add(specificsPos, ri); 6642 ri.specificIndex = i; 6643 specificsPos++; 6644 } 6645 } 6646 6647 // Now we go through the remaining generic results and remove any 6648 // duplicate actions that are found here. 6649 N = results.size(); 6650 for (int i=specificsPos; i<N-1; i++) { 6651 final ResolveInfo rii = results.get(i); 6652 if (rii.filter == null) { 6653 continue; 6654 } 6655 6656 // Iterate over all of the actions of this result's intent 6657 // filter... typically this should be just one. 6658 final Iterator<String> it = rii.filter.actionsIterator(); 6659 if (it == null) { 6660 continue; 6661 } 6662 while (it.hasNext()) { 6663 final String action = it.next(); 6664 if (resultsAction != null && resultsAction.equals(action)) { 6665 // If this action was explicitly requested, then don't 6666 // remove things that have it. 6667 continue; 6668 } 6669 for (int j=i+1; j<N; j++) { 6670 final ResolveInfo rij = results.get(j); 6671 if (rij.filter != null && rij.filter.hasAction(action)) { 6672 results.remove(j); 6673 if (DEBUG_INTENT_MATCHING) Log.v( 6674 TAG, "Removing duplicate item from " + j 6675 + " due to action " + action + " at " + i); 6676 j--; 6677 N--; 6678 } 6679 } 6680 } 6681 6682 // If the caller didn't request filter information, drop it now 6683 // so we don't have to marshall/unmarshall it. 6684 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6685 rii.filter = null; 6686 } 6687 } 6688 6689 // Filter out the caller activity if so requested. 6690 if (caller != null) { 6691 N = results.size(); 6692 for (int i=0; i<N; i++) { 6693 ActivityInfo ainfo = results.get(i).activityInfo; 6694 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6695 && caller.getClassName().equals(ainfo.name)) { 6696 results.remove(i); 6697 break; 6698 } 6699 } 6700 } 6701 6702 // If the caller didn't request filter information, 6703 // drop them now so we don't have to 6704 // marshall/unmarshall it. 6705 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6706 N = results.size(); 6707 for (int i=0; i<N; i++) { 6708 results.get(i).filter = null; 6709 } 6710 } 6711 6712 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6713 return results; 6714 } 6715 6716 @Override 6717 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6718 String resolvedType, int flags, int userId) { 6719 return new ParceledListSlice<>( 6720 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6721 } 6722 6723 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6724 String resolvedType, int flags, int userId) { 6725 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6726 flags = updateFlagsForResolve(flags, userId, intent); 6727 ComponentName comp = intent.getComponent(); 6728 if (comp == null) { 6729 if (intent.getSelector() != null) { 6730 intent = intent.getSelector(); 6731 comp = intent.getComponent(); 6732 } 6733 } 6734 if (comp != null) { 6735 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6736 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6737 if (ai != null) { 6738 ResolveInfo ri = new ResolveInfo(); 6739 ri.activityInfo = ai; 6740 list.add(ri); 6741 } 6742 return list; 6743 } 6744 6745 // reader 6746 synchronized (mPackages) { 6747 String pkgName = intent.getPackage(); 6748 if (pkgName == null) { 6749 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6750 } 6751 final PackageParser.Package pkg = mPackages.get(pkgName); 6752 if (pkg != null) { 6753 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6754 userId); 6755 } 6756 return Collections.emptyList(); 6757 } 6758 } 6759 6760 @Override 6761 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6762 if (!sUserManager.exists(userId)) return null; 6763 flags = updateFlagsForResolve(flags, userId, intent); 6764 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6765 if (query != null) { 6766 if (query.size() >= 1) { 6767 // If there is more than one service with the same priority, 6768 // just arbitrarily pick the first one. 6769 return query.get(0); 6770 } 6771 } 6772 return null; 6773 } 6774 6775 @Override 6776 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6777 String resolvedType, int flags, int userId) { 6778 return new ParceledListSlice<>( 6779 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6780 } 6781 6782 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6783 String resolvedType, int flags, int userId) { 6784 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6785 flags = updateFlagsForResolve(flags, userId, intent); 6786 ComponentName comp = intent.getComponent(); 6787 if (comp == null) { 6788 if (intent.getSelector() != null) { 6789 intent = intent.getSelector(); 6790 comp = intent.getComponent(); 6791 } 6792 } 6793 if (comp != null) { 6794 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6795 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6796 if (si != null) { 6797 final ResolveInfo ri = new ResolveInfo(); 6798 ri.serviceInfo = si; 6799 list.add(ri); 6800 } 6801 return list; 6802 } 6803 6804 // reader 6805 synchronized (mPackages) { 6806 String pkgName = intent.getPackage(); 6807 if (pkgName == null) { 6808 return mServices.queryIntent(intent, resolvedType, flags, userId); 6809 } 6810 final PackageParser.Package pkg = mPackages.get(pkgName); 6811 if (pkg != null) { 6812 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6813 userId); 6814 } 6815 return Collections.emptyList(); 6816 } 6817 } 6818 6819 @Override 6820 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6821 String resolvedType, int flags, int userId) { 6822 return new ParceledListSlice<>( 6823 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6824 } 6825 6826 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6827 Intent intent, String resolvedType, int flags, int userId) { 6828 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6829 flags = updateFlagsForResolve(flags, userId, intent); 6830 ComponentName comp = intent.getComponent(); 6831 if (comp == null) { 6832 if (intent.getSelector() != null) { 6833 intent = intent.getSelector(); 6834 comp = intent.getComponent(); 6835 } 6836 } 6837 if (comp != null) { 6838 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6839 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6840 if (pi != null) { 6841 final ResolveInfo ri = new ResolveInfo(); 6842 ri.providerInfo = pi; 6843 list.add(ri); 6844 } 6845 return list; 6846 } 6847 6848 // reader 6849 synchronized (mPackages) { 6850 String pkgName = intent.getPackage(); 6851 if (pkgName == null) { 6852 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6853 } 6854 final PackageParser.Package pkg = mPackages.get(pkgName); 6855 if (pkg != null) { 6856 return mProviders.queryIntentForPackage( 6857 intent, resolvedType, flags, pkg.providers, userId); 6858 } 6859 return Collections.emptyList(); 6860 } 6861 } 6862 6863 @Override 6864 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6865 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6866 flags = updateFlagsForPackage(flags, userId, null); 6867 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6868 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6869 true /* requireFullPermission */, false /* checkShell */, 6870 "get installed packages"); 6871 6872 // writer 6873 synchronized (mPackages) { 6874 ArrayList<PackageInfo> list; 6875 if (listUninstalled) { 6876 list = new ArrayList<>(mSettings.mPackages.size()); 6877 for (PackageSetting ps : mSettings.mPackages.values()) { 6878 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 6879 continue; 6880 } 6881 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 6882 if (pi != null) { 6883 list.add(pi); 6884 } 6885 } 6886 } else { 6887 list = new ArrayList<>(mPackages.size()); 6888 for (PackageParser.Package p : mPackages.values()) { 6889 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 6890 Binder.getCallingUid(), userId)) { 6891 continue; 6892 } 6893 final PackageInfo pi = generatePackageInfo((PackageSetting) 6894 p.mExtras, flags, userId); 6895 if (pi != null) { 6896 list.add(pi); 6897 } 6898 } 6899 } 6900 6901 return new ParceledListSlice<>(list); 6902 } 6903 } 6904 6905 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6906 String[] permissions, boolean[] tmp, int flags, int userId) { 6907 int numMatch = 0; 6908 final PermissionsState permissionsState = ps.getPermissionsState(); 6909 for (int i=0; i<permissions.length; i++) { 6910 final String permission = permissions[i]; 6911 if (permissionsState.hasPermission(permission, userId)) { 6912 tmp[i] = true; 6913 numMatch++; 6914 } else { 6915 tmp[i] = false; 6916 } 6917 } 6918 if (numMatch == 0) { 6919 return; 6920 } 6921 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 6922 6923 // The above might return null in cases of uninstalled apps or install-state 6924 // skew across users/profiles. 6925 if (pi != null) { 6926 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6927 if (numMatch == permissions.length) { 6928 pi.requestedPermissions = permissions; 6929 } else { 6930 pi.requestedPermissions = new String[numMatch]; 6931 numMatch = 0; 6932 for (int i=0; i<permissions.length; i++) { 6933 if (tmp[i]) { 6934 pi.requestedPermissions[numMatch] = permissions[i]; 6935 numMatch++; 6936 } 6937 } 6938 } 6939 } 6940 list.add(pi); 6941 } 6942 } 6943 6944 @Override 6945 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6946 String[] permissions, int flags, int userId) { 6947 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6948 flags = updateFlagsForPackage(flags, userId, permissions); 6949 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6950 true /* requireFullPermission */, false /* checkShell */, 6951 "get packages holding permissions"); 6952 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6953 6954 // writer 6955 synchronized (mPackages) { 6956 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6957 boolean[] tmpBools = new boolean[permissions.length]; 6958 if (listUninstalled) { 6959 for (PackageSetting ps : mSettings.mPackages.values()) { 6960 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6961 userId); 6962 } 6963 } else { 6964 for (PackageParser.Package pkg : mPackages.values()) { 6965 PackageSetting ps = (PackageSetting)pkg.mExtras; 6966 if (ps != null) { 6967 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6968 userId); 6969 } 6970 } 6971 } 6972 6973 return new ParceledListSlice<PackageInfo>(list); 6974 } 6975 } 6976 6977 @Override 6978 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6979 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6980 flags = updateFlagsForApplication(flags, userId, null); 6981 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6982 6983 // writer 6984 synchronized (mPackages) { 6985 ArrayList<ApplicationInfo> list; 6986 if (listUninstalled) { 6987 list = new ArrayList<>(mSettings.mPackages.size()); 6988 for (PackageSetting ps : mSettings.mPackages.values()) { 6989 ApplicationInfo ai; 6990 int effectiveFlags = flags; 6991 if (ps.isSystem()) { 6992 effectiveFlags |= PackageManager.MATCH_ANY_USER; 6993 } 6994 if (ps.pkg != null) { 6995 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 6996 continue; 6997 } 6998 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 6999 ps.readUserState(userId), userId); 7000 if (ai != null) { 7001 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7002 } 7003 } else { 7004 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7005 // and already converts to externally visible package name 7006 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7007 Binder.getCallingUid(), effectiveFlags, userId); 7008 } 7009 if (ai != null) { 7010 list.add(ai); 7011 } 7012 } 7013 } else { 7014 list = new ArrayList<>(mPackages.size()); 7015 for (PackageParser.Package p : mPackages.values()) { 7016 if (p.mExtras != null) { 7017 PackageSetting ps = (PackageSetting) p.mExtras; 7018 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7019 continue; 7020 } 7021 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7022 ps.readUserState(userId), userId); 7023 if (ai != null) { 7024 ai.packageName = resolveExternalPackageNameLPr(p); 7025 list.add(ai); 7026 } 7027 } 7028 } 7029 } 7030 7031 return new ParceledListSlice<>(list); 7032 } 7033 } 7034 7035 @Override 7036 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 7037 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7038 return null; 7039 } 7040 7041 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 7042 "getEphemeralApplications"); 7043 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7044 true /* requireFullPermission */, false /* checkShell */, 7045 "getEphemeralApplications"); 7046 synchronized (mPackages) { 7047 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 7048 .getEphemeralApplicationsLPw(userId); 7049 if (ephemeralApps != null) { 7050 return new ParceledListSlice<>(ephemeralApps); 7051 } 7052 } 7053 return null; 7054 } 7055 7056 @Override 7057 public boolean isEphemeralApplication(String packageName, int userId) { 7058 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7059 true /* requireFullPermission */, false /* checkShell */, 7060 "isEphemeral"); 7061 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7062 return false; 7063 } 7064 7065 if (!isCallerSameApp(packageName)) { 7066 return false; 7067 } 7068 synchronized (mPackages) { 7069 PackageParser.Package pkg = mPackages.get(packageName); 7070 if (pkg != null) { 7071 return pkg.applicationInfo.isEphemeralApp(); 7072 } 7073 } 7074 return false; 7075 } 7076 7077 @Override 7078 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 7079 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7080 return null; 7081 } 7082 7083 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7084 true /* requireFullPermission */, false /* checkShell */, 7085 "getCookie"); 7086 if (!isCallerSameApp(packageName)) { 7087 return null; 7088 } 7089 synchronized (mPackages) { 7090 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 7091 packageName, userId); 7092 } 7093 } 7094 7095 @Override 7096 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 7097 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7098 return true; 7099 } 7100 7101 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7102 true /* requireFullPermission */, true /* checkShell */, 7103 "setCookie"); 7104 if (!isCallerSameApp(packageName)) { 7105 return false; 7106 } 7107 synchronized (mPackages) { 7108 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 7109 packageName, cookie, userId); 7110 } 7111 } 7112 7113 @Override 7114 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 7115 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7116 return null; 7117 } 7118 7119 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 7120 "getEphemeralApplicationIcon"); 7121 7122 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7123 true /* requireFullPermission */, false /* checkShell */, 7124 "getEphemeralApplicationIcon"); 7125 synchronized (mPackages) { 7126 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 7127 packageName, userId); 7128 } 7129 } 7130 7131 private boolean isCallerSameApp(String packageName) { 7132 PackageParser.Package pkg = mPackages.get(packageName); 7133 return pkg != null 7134 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7135 } 7136 7137 @Override 7138 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7139 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7140 } 7141 7142 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7143 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7144 7145 // reader 7146 synchronized (mPackages) { 7147 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7148 final int userId = UserHandle.getCallingUserId(); 7149 while (i.hasNext()) { 7150 final PackageParser.Package p = i.next(); 7151 if (p.applicationInfo == null) continue; 7152 7153 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7154 && !p.applicationInfo.isDirectBootAware(); 7155 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7156 && p.applicationInfo.isDirectBootAware(); 7157 7158 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7159 && (!mSafeMode || isSystemApp(p)) 7160 && (matchesUnaware || matchesAware)) { 7161 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7162 if (ps != null) { 7163 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7164 ps.readUserState(userId), userId); 7165 if (ai != null) { 7166 finalList.add(ai); 7167 } 7168 } 7169 } 7170 } 7171 } 7172 7173 return finalList; 7174 } 7175 7176 @Override 7177 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7178 if (!sUserManager.exists(userId)) return null; 7179 flags = updateFlagsForComponent(flags, userId, name); 7180 // reader 7181 synchronized (mPackages) { 7182 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7183 PackageSetting ps = provider != null 7184 ? mSettings.mPackages.get(provider.owner.packageName) 7185 : null; 7186 return ps != null 7187 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7188 ? PackageParser.generateProviderInfo(provider, flags, 7189 ps.readUserState(userId), userId) 7190 : null; 7191 } 7192 } 7193 7194 /** 7195 * @deprecated 7196 */ 7197 @Deprecated 7198 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7199 // reader 7200 synchronized (mPackages) { 7201 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7202 .entrySet().iterator(); 7203 final int userId = UserHandle.getCallingUserId(); 7204 while (i.hasNext()) { 7205 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7206 PackageParser.Provider p = entry.getValue(); 7207 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7208 7209 if (ps != null && p.syncable 7210 && (!mSafeMode || (p.info.applicationInfo.flags 7211 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7212 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7213 ps.readUserState(userId), userId); 7214 if (info != null) { 7215 outNames.add(entry.getKey()); 7216 outInfo.add(info); 7217 } 7218 } 7219 } 7220 } 7221 } 7222 7223 @Override 7224 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7225 int uid, int flags) { 7226 final int userId = processName != null ? UserHandle.getUserId(uid) 7227 : UserHandle.getCallingUserId(); 7228 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7229 flags = updateFlagsForComponent(flags, userId, processName); 7230 7231 ArrayList<ProviderInfo> finalList = null; 7232 // reader 7233 synchronized (mPackages) { 7234 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7235 while (i.hasNext()) { 7236 final PackageParser.Provider p = i.next(); 7237 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7238 if (ps != null && p.info.authority != null 7239 && (processName == null 7240 || (p.info.processName.equals(processName) 7241 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7242 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7243 if (finalList == null) { 7244 finalList = new ArrayList<ProviderInfo>(3); 7245 } 7246 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7247 ps.readUserState(userId), userId); 7248 if (info != null) { 7249 finalList.add(info); 7250 } 7251 } 7252 } 7253 } 7254 7255 if (finalList != null) { 7256 Collections.sort(finalList, mProviderInitOrderSorter); 7257 return new ParceledListSlice<ProviderInfo>(finalList); 7258 } 7259 7260 return ParceledListSlice.emptyList(); 7261 } 7262 7263 @Override 7264 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7265 // reader 7266 synchronized (mPackages) { 7267 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7268 return PackageParser.generateInstrumentationInfo(i, flags); 7269 } 7270 } 7271 7272 @Override 7273 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7274 String targetPackage, int flags) { 7275 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7276 } 7277 7278 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7279 int flags) { 7280 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7281 7282 // reader 7283 synchronized (mPackages) { 7284 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7285 while (i.hasNext()) { 7286 final PackageParser.Instrumentation p = i.next(); 7287 if (targetPackage == null 7288 || targetPackage.equals(p.info.targetPackage)) { 7289 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7290 flags); 7291 if (ii != null) { 7292 finalList.add(ii); 7293 } 7294 } 7295 } 7296 } 7297 7298 return finalList; 7299 } 7300 7301 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 7302 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 7303 if (overlays == null) { 7304 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 7305 return; 7306 } 7307 for (PackageParser.Package opkg : overlays.values()) { 7308 // Not much to do if idmap fails: we already logged the error 7309 // and we certainly don't want to abort installation of pkg simply 7310 // because an overlay didn't fit properly. For these reasons, 7311 // ignore the return value of createIdmapForPackagePairLI. 7312 createIdmapForPackagePairLI(pkg, opkg); 7313 } 7314 } 7315 7316 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 7317 PackageParser.Package opkg) { 7318 if (!opkg.mTrustedOverlay) { 7319 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 7320 opkg.baseCodePath + ": overlay not trusted"); 7321 return false; 7322 } 7323 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 7324 if (overlaySet == null) { 7325 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 7326 opkg.baseCodePath + " but target package has no known overlays"); 7327 return false; 7328 } 7329 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7330 // TODO: generate idmap for split APKs 7331 try { 7332 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 7333 } catch (InstallerException e) { 7334 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 7335 + opkg.baseCodePath); 7336 return false; 7337 } 7338 PackageParser.Package[] overlayArray = 7339 overlaySet.values().toArray(new PackageParser.Package[0]); 7340 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 7341 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 7342 return p1.mOverlayPriority - p2.mOverlayPriority; 7343 } 7344 }; 7345 Arrays.sort(overlayArray, cmp); 7346 7347 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 7348 int i = 0; 7349 for (PackageParser.Package p : overlayArray) { 7350 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 7351 } 7352 return true; 7353 } 7354 7355 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7356 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7357 try { 7358 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7359 } finally { 7360 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7361 } 7362 } 7363 7364 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7365 final File[] files = dir.listFiles(); 7366 if (ArrayUtils.isEmpty(files)) { 7367 Log.d(TAG, "No files in app dir " + dir); 7368 return; 7369 } 7370 7371 if (DEBUG_PACKAGE_SCANNING) { 7372 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7373 + " flags=0x" + Integer.toHexString(parseFlags)); 7374 } 7375 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7376 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7377 7378 // Submit files for parsing in parallel 7379 int fileCount = 0; 7380 for (File file : files) { 7381 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7382 && !PackageInstallerService.isStageName(file.getName()); 7383 if (!isPackage) { 7384 // Ignore entries which are not packages 7385 continue; 7386 } 7387 parallelPackageParser.submit(file, parseFlags); 7388 fileCount++; 7389 } 7390 7391 // Process results one by one 7392 for (; fileCount > 0; fileCount--) { 7393 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7394 Throwable throwable = parseResult.throwable; 7395 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7396 7397 if (throwable == null) { 7398 // Static shared libraries have synthetic package names 7399 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7400 renameStaticSharedLibraryPackage(parseResult.pkg); 7401 } 7402 try { 7403 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7404 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7405 currentTime, null); 7406 } 7407 } catch (PackageManagerException e) { 7408 errorCode = e.error; 7409 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7410 } 7411 } else if (throwable instanceof PackageParser.PackageParserException) { 7412 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7413 throwable; 7414 errorCode = e.error; 7415 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7416 } else { 7417 throw new IllegalStateException("Unexpected exception occurred while parsing " 7418 + parseResult.scanFile, throwable); 7419 } 7420 7421 // Delete invalid userdata apps 7422 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7423 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7424 logCriticalInfo(Log.WARN, 7425 "Deleting invalid package at " + parseResult.scanFile); 7426 removeCodePathLI(parseResult.scanFile); 7427 } 7428 } 7429 parallelPackageParser.close(); 7430 } 7431 7432 private static File getSettingsProblemFile() { 7433 File dataDir = Environment.getDataDirectory(); 7434 File systemDir = new File(dataDir, "system"); 7435 File fname = new File(systemDir, "uiderrors.txt"); 7436 return fname; 7437 } 7438 7439 static void reportSettingsProblem(int priority, String msg) { 7440 logCriticalInfo(priority, msg); 7441 } 7442 7443 static void logCriticalInfo(int priority, String msg) { 7444 Slog.println(priority, TAG, msg); 7445 EventLogTags.writePmCriticalInfo(msg); 7446 try { 7447 File fname = getSettingsProblemFile(); 7448 FileOutputStream out = new FileOutputStream(fname, true); 7449 PrintWriter pw = new FastPrintWriter(out); 7450 SimpleDateFormat formatter = new SimpleDateFormat(); 7451 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7452 pw.println(dateString + ": " + msg); 7453 pw.close(); 7454 FileUtils.setPermissions( 7455 fname.toString(), 7456 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7457 -1, -1); 7458 } catch (java.io.IOException e) { 7459 } 7460 } 7461 7462 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7463 if (srcFile.isDirectory()) { 7464 final File baseFile = new File(pkg.baseCodePath); 7465 long maxModifiedTime = baseFile.lastModified(); 7466 if (pkg.splitCodePaths != null) { 7467 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7468 final File splitFile = new File(pkg.splitCodePaths[i]); 7469 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7470 } 7471 } 7472 return maxModifiedTime; 7473 } 7474 return srcFile.lastModified(); 7475 } 7476 7477 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7478 final int policyFlags) throws PackageManagerException { 7479 // When upgrading from pre-N MR1, verify the package time stamp using the package 7480 // directory and not the APK file. 7481 final long lastModifiedTime = mIsPreNMR1Upgrade 7482 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7483 if (ps != null 7484 && ps.codePath.equals(srcFile) 7485 && ps.timeStamp == lastModifiedTime 7486 && !isCompatSignatureUpdateNeeded(pkg) 7487 && !isRecoverSignatureUpdateNeeded(pkg)) { 7488 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7489 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7490 ArraySet<PublicKey> signingKs; 7491 synchronized (mPackages) { 7492 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7493 } 7494 if (ps.signatures.mSignatures != null 7495 && ps.signatures.mSignatures.length != 0 7496 && signingKs != null) { 7497 // Optimization: reuse the existing cached certificates 7498 // if the package appears to be unchanged. 7499 pkg.mSignatures = ps.signatures.mSignatures; 7500 pkg.mSigningKeys = signingKs; 7501 return; 7502 } 7503 7504 Slog.w(TAG, "PackageSetting for " + ps.name 7505 + " is missing signatures. Collecting certs again to recover them."); 7506 } else { 7507 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7508 } 7509 7510 try { 7511 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7512 PackageParser.collectCertificates(pkg, policyFlags); 7513 } catch (PackageParserException e) { 7514 throw PackageManagerException.from(e); 7515 } finally { 7516 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7517 } 7518 } 7519 7520 /** 7521 * Traces a package scan. 7522 * @see #scanPackageLI(File, int, int, long, UserHandle) 7523 */ 7524 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7525 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7526 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7527 try { 7528 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7529 } finally { 7530 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7531 } 7532 } 7533 7534 /** 7535 * Scans a package and returns the newly parsed package. 7536 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7537 */ 7538 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7539 long currentTime, UserHandle user) throws PackageManagerException { 7540 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7541 PackageParser pp = new PackageParser(); 7542 pp.setSeparateProcesses(mSeparateProcesses); 7543 pp.setOnlyCoreApps(mOnlyCore); 7544 pp.setDisplayMetrics(mMetrics); 7545 7546 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7547 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7548 } 7549 7550 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7551 final PackageParser.Package pkg; 7552 try { 7553 pkg = pp.parsePackage(scanFile, parseFlags); 7554 } catch (PackageParserException e) { 7555 throw PackageManagerException.from(e); 7556 } finally { 7557 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7558 } 7559 7560 // Static shared libraries have synthetic package names 7561 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7562 renameStaticSharedLibraryPackage(pkg); 7563 } 7564 7565 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7566 } 7567 7568 /** 7569 * Scans a package and returns the newly parsed package. 7570 * @throws PackageManagerException on a parse error. 7571 */ 7572 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7573 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7574 throws PackageManagerException { 7575 // If the package has children and this is the first dive in the function 7576 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7577 // packages (parent and children) would be successfully scanned before the 7578 // actual scan since scanning mutates internal state and we want to atomically 7579 // install the package and its children. 7580 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7581 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7582 scanFlags |= SCAN_CHECK_ONLY; 7583 } 7584 } else { 7585 scanFlags &= ~SCAN_CHECK_ONLY; 7586 } 7587 7588 // Scan the parent 7589 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7590 scanFlags, currentTime, user); 7591 7592 // Scan the children 7593 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7594 for (int i = 0; i < childCount; i++) { 7595 PackageParser.Package childPackage = pkg.childPackages.get(i); 7596 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7597 currentTime, user); 7598 } 7599 7600 7601 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7602 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7603 } 7604 7605 return scannedPkg; 7606 } 7607 7608 /** 7609 * Scans a package and returns the newly parsed package. 7610 * @throws PackageManagerException on a parse error. 7611 */ 7612 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7613 int policyFlags, int scanFlags, long currentTime, UserHandle user) 7614 throws PackageManagerException { 7615 PackageSetting ps = null; 7616 PackageSetting updatedPkg; 7617 // reader 7618 synchronized (mPackages) { 7619 // Look to see if we already know about this package. 7620 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7621 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7622 // This package has been renamed to its original name. Let's 7623 // use that. 7624 ps = mSettings.getPackageLPr(oldName); 7625 } 7626 // If there was no original package, see one for the real package name. 7627 if (ps == null) { 7628 ps = mSettings.getPackageLPr(pkg.packageName); 7629 } 7630 // Check to see if this package could be hiding/updating a system 7631 // package. Must look for it either under the original or real 7632 // package name depending on our state. 7633 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7634 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7635 7636 // If this is a package we don't know about on the system partition, we 7637 // may need to remove disabled child packages on the system partition 7638 // or may need to not add child packages if the parent apk is updated 7639 // on the data partition and no longer defines this child package. 7640 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7641 // If this is a parent package for an updated system app and this system 7642 // app got an OTA update which no longer defines some of the child packages 7643 // we have to prune them from the disabled system packages. 7644 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7645 if (disabledPs != null) { 7646 final int scannedChildCount = (pkg.childPackages != null) 7647 ? pkg.childPackages.size() : 0; 7648 final int disabledChildCount = disabledPs.childPackageNames != null 7649 ? disabledPs.childPackageNames.size() : 0; 7650 for (int i = 0; i < disabledChildCount; i++) { 7651 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7652 boolean disabledPackageAvailable = false; 7653 for (int j = 0; j < scannedChildCount; j++) { 7654 PackageParser.Package childPkg = pkg.childPackages.get(j); 7655 if (childPkg.packageName.equals(disabledChildPackageName)) { 7656 disabledPackageAvailable = true; 7657 break; 7658 } 7659 } 7660 if (!disabledPackageAvailable) { 7661 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7662 } 7663 } 7664 } 7665 } 7666 } 7667 7668 boolean updatedPkgBetter = false; 7669 // First check if this is a system package that may involve an update 7670 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7671 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7672 // it needs to drop FLAG_PRIVILEGED. 7673 if (locationIsPrivileged(scanFile)) { 7674 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7675 } else { 7676 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7677 } 7678 7679 if (ps != null && !ps.codePath.equals(scanFile)) { 7680 // The path has changed from what was last scanned... check the 7681 // version of the new path against what we have stored to determine 7682 // what to do. 7683 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7684 if (pkg.mVersionCode <= ps.versionCode) { 7685 // The system package has been updated and the code path does not match 7686 // Ignore entry. Skip it. 7687 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7688 + " ignored: updated version " + ps.versionCode 7689 + " better than this " + pkg.mVersionCode); 7690 if (!updatedPkg.codePath.equals(scanFile)) { 7691 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7692 + ps.name + " changing from " + updatedPkg.codePathString 7693 + " to " + scanFile); 7694 updatedPkg.codePath = scanFile; 7695 updatedPkg.codePathString = scanFile.toString(); 7696 updatedPkg.resourcePath = scanFile; 7697 updatedPkg.resourcePathString = scanFile.toString(); 7698 } 7699 updatedPkg.pkg = pkg; 7700 updatedPkg.versionCode = pkg.mVersionCode; 7701 7702 // Update the disabled system child packages to point to the package too. 7703 final int childCount = updatedPkg.childPackageNames != null 7704 ? updatedPkg.childPackageNames.size() : 0; 7705 for (int i = 0; i < childCount; i++) { 7706 String childPackageName = updatedPkg.childPackageNames.get(i); 7707 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7708 childPackageName); 7709 if (updatedChildPkg != null) { 7710 updatedChildPkg.pkg = pkg; 7711 updatedChildPkg.versionCode = pkg.mVersionCode; 7712 } 7713 } 7714 7715 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7716 + scanFile + " ignored: updated version " + ps.versionCode 7717 + " better than this " + pkg.mVersionCode); 7718 } else { 7719 // The current app on the system partition is better than 7720 // what we have updated to on the data partition; switch 7721 // back to the system partition version. 7722 // At this point, its safely assumed that package installation for 7723 // apps in system partition will go through. If not there won't be a working 7724 // version of the app 7725 // writer 7726 synchronized (mPackages) { 7727 // Just remove the loaded entries from package lists. 7728 mPackages.remove(ps.name); 7729 } 7730 7731 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7732 + " reverting from " + ps.codePathString 7733 + ": new version " + pkg.mVersionCode 7734 + " better than installed " + ps.versionCode); 7735 7736 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7737 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7738 synchronized (mInstallLock) { 7739 args.cleanUpResourcesLI(); 7740 } 7741 synchronized (mPackages) { 7742 mSettings.enableSystemPackageLPw(ps.name); 7743 } 7744 updatedPkgBetter = true; 7745 } 7746 } 7747 } 7748 7749 if (updatedPkg != null) { 7750 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7751 // initially 7752 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7753 7754 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7755 // flag set initially 7756 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7757 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7758 } 7759 } 7760 7761 // Verify certificates against what was last scanned 7762 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7763 7764 /* 7765 * A new system app appeared, but we already had a non-system one of the 7766 * same name installed earlier. 7767 */ 7768 boolean shouldHideSystemApp = false; 7769 if (updatedPkg == null && ps != null 7770 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7771 /* 7772 * Check to make sure the signatures match first. If they don't, 7773 * wipe the installed application and its data. 7774 */ 7775 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7776 != PackageManager.SIGNATURE_MATCH) { 7777 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7778 + " signatures don't match existing userdata copy; removing"); 7779 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7780 "scanPackageInternalLI")) { 7781 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7782 } 7783 ps = null; 7784 } else { 7785 /* 7786 * If the newly-added system app is an older version than the 7787 * already installed version, hide it. It will be scanned later 7788 * and re-added like an update. 7789 */ 7790 if (pkg.mVersionCode <= ps.versionCode) { 7791 shouldHideSystemApp = true; 7792 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7793 + " but new version " + pkg.mVersionCode + " better than installed " 7794 + ps.versionCode + "; hiding system"); 7795 } else { 7796 /* 7797 * The newly found system app is a newer version that the 7798 * one previously installed. Simply remove the 7799 * already-installed application and replace it with our own 7800 * while keeping the application data. 7801 */ 7802 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7803 + " reverting from " + ps.codePathString + ": new version " 7804 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7805 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7806 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7807 synchronized (mInstallLock) { 7808 args.cleanUpResourcesLI(); 7809 } 7810 } 7811 } 7812 } 7813 7814 // The apk is forward locked (not public) if its code and resources 7815 // are kept in different files. (except for app in either system or 7816 // vendor path). 7817 // TODO grab this value from PackageSettings 7818 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7819 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7820 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7821 } 7822 } 7823 7824 // TODO: extend to support forward-locked splits 7825 String resourcePath = null; 7826 String baseResourcePath = null; 7827 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7828 if (ps != null && ps.resourcePathString != null) { 7829 resourcePath = ps.resourcePathString; 7830 baseResourcePath = ps.resourcePathString; 7831 } else { 7832 // Should not happen at all. Just log an error. 7833 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7834 } 7835 } else { 7836 resourcePath = pkg.codePath; 7837 baseResourcePath = pkg.baseCodePath; 7838 } 7839 7840 // Set application objects path explicitly. 7841 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7842 pkg.setApplicationInfoCodePath(pkg.codePath); 7843 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7844 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7845 pkg.setApplicationInfoResourcePath(resourcePath); 7846 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7847 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7848 7849 // Note that we invoke the following method only if we are about to unpack an application 7850 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7851 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7852 7853 /* 7854 * If the system app should be overridden by a previously installed 7855 * data, hide the system app now and let the /data/app scan pick it up 7856 * again. 7857 */ 7858 if (shouldHideSystemApp) { 7859 synchronized (mPackages) { 7860 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7861 } 7862 } 7863 7864 return scannedPkg; 7865 } 7866 7867 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 7868 // Derive the new package synthetic package name 7869 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 7870 + pkg.staticSharedLibVersion); 7871 } 7872 7873 private static String fixProcessName(String defProcessName, 7874 String processName) { 7875 if (processName == null) { 7876 return defProcessName; 7877 } 7878 return processName; 7879 } 7880 7881 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7882 throws PackageManagerException { 7883 if (pkgSetting.signatures.mSignatures != null) { 7884 // Already existing package. Make sure signatures match 7885 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7886 == PackageManager.SIGNATURE_MATCH; 7887 if (!match) { 7888 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7889 == PackageManager.SIGNATURE_MATCH; 7890 } 7891 if (!match) { 7892 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7893 == PackageManager.SIGNATURE_MATCH; 7894 } 7895 if (!match) { 7896 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7897 + pkg.packageName + " signatures do not match the " 7898 + "previously installed version; ignoring!"); 7899 } 7900 } 7901 7902 // Check for shared user signatures 7903 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7904 // Already existing package. Make sure signatures match 7905 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7906 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7907 if (!match) { 7908 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7909 == PackageManager.SIGNATURE_MATCH; 7910 } 7911 if (!match) { 7912 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7913 == PackageManager.SIGNATURE_MATCH; 7914 } 7915 if (!match) { 7916 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7917 "Package " + pkg.packageName 7918 + " has no signatures that match those in shared user " 7919 + pkgSetting.sharedUser.name + "; ignoring!"); 7920 } 7921 } 7922 } 7923 7924 /** 7925 * Enforces that only the system UID or root's UID can call a method exposed 7926 * via Binder. 7927 * 7928 * @param message used as message if SecurityException is thrown 7929 * @throws SecurityException if the caller is not system or root 7930 */ 7931 private static final void enforceSystemOrRoot(String message) { 7932 final int uid = Binder.getCallingUid(); 7933 if (uid != Process.SYSTEM_UID && uid != 0) { 7934 throw new SecurityException(message); 7935 } 7936 } 7937 7938 @Override 7939 public void performFstrimIfNeeded() { 7940 enforceSystemOrRoot("Only the system can request fstrim"); 7941 7942 // Before everything else, see whether we need to fstrim. 7943 try { 7944 IStorageManager sm = PackageHelper.getStorageManager(); 7945 if (sm != null) { 7946 boolean doTrim = false; 7947 final long interval = android.provider.Settings.Global.getLong( 7948 mContext.getContentResolver(), 7949 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7950 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7951 if (interval > 0) { 7952 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 7953 if (timeSinceLast > interval) { 7954 doTrim = true; 7955 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7956 + "; running immediately"); 7957 } 7958 } 7959 if (doTrim) { 7960 final boolean dexOptDialogShown; 7961 synchronized (mPackages) { 7962 dexOptDialogShown = mDexOptDialogShown; 7963 } 7964 if (!isFirstBoot() && dexOptDialogShown) { 7965 try { 7966 ActivityManager.getService().showBootMessage( 7967 mContext.getResources().getString( 7968 R.string.android_upgrading_fstrim), true); 7969 } catch (RemoteException e) { 7970 } 7971 } 7972 sm.runMaintenance(); 7973 } 7974 } else { 7975 Slog.e(TAG, "storageManager service unavailable!"); 7976 } 7977 } catch (RemoteException e) { 7978 // Can't happen; StorageManagerService is local 7979 } 7980 } 7981 7982 @Override 7983 public void updatePackagesIfNeeded() { 7984 enforceSystemOrRoot("Only the system can request package update"); 7985 7986 // We need to re-extract after an OTA. 7987 boolean causeUpgrade = isUpgrade(); 7988 7989 // First boot or factory reset. 7990 // Note: we also handle devices that are upgrading to N right now as if it is their 7991 // first boot, as they do not have profile data. 7992 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7993 7994 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7995 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7996 7997 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7998 return; 7999 } 8000 8001 List<PackageParser.Package> pkgs; 8002 synchronized (mPackages) { 8003 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8004 } 8005 8006 final long startTime = System.nanoTime(); 8007 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8008 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8009 8010 final int elapsedTimeSeconds = 8011 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8012 8013 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8014 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8015 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8016 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8017 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8018 } 8019 8020 /** 8021 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8022 * containing statistics about the invocation. The array consists of three elements, 8023 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8024 * and {@code numberOfPackagesFailed}. 8025 */ 8026 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8027 String compilerFilter) { 8028 8029 int numberOfPackagesVisited = 0; 8030 int numberOfPackagesOptimized = 0; 8031 int numberOfPackagesSkipped = 0; 8032 int numberOfPackagesFailed = 0; 8033 final int numberOfPackagesToDexopt = pkgs.size(); 8034 8035 for (PackageParser.Package pkg : pkgs) { 8036 numberOfPackagesVisited++; 8037 8038 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8039 if (DEBUG_DEXOPT) { 8040 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8041 } 8042 numberOfPackagesSkipped++; 8043 continue; 8044 } 8045 8046 if (DEBUG_DEXOPT) { 8047 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8048 numberOfPackagesToDexopt + ": " + pkg.packageName); 8049 } 8050 8051 if (showDialog) { 8052 try { 8053 ActivityManager.getService().showBootMessage( 8054 mContext.getResources().getString(R.string.android_upgrading_apk, 8055 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8056 } catch (RemoteException e) { 8057 } 8058 synchronized (mPackages) { 8059 mDexOptDialogShown = true; 8060 } 8061 } 8062 8063 // If the OTA updates a system app which was previously preopted to a non-preopted state 8064 // the app might end up being verified at runtime. That's because by default the apps 8065 // are verify-profile but for preopted apps there's no profile. 8066 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8067 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8068 // filter (by default interpret-only). 8069 // Note that at this stage unused apps are already filtered. 8070 if (isSystemApp(pkg) && 8071 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8072 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8073 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8074 } 8075 8076 // checkProfiles is false to avoid merging profiles during boot which 8077 // might interfere with background compilation (b/28612421). 8078 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8079 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8080 // trade-off worth doing to save boot time work. 8081 int dexOptStatus = performDexOptTraced(pkg.packageName, 8082 false /* checkProfiles */, 8083 compilerFilter, 8084 false /* force */); 8085 switch (dexOptStatus) { 8086 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8087 numberOfPackagesOptimized++; 8088 break; 8089 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8090 numberOfPackagesSkipped++; 8091 break; 8092 case PackageDexOptimizer.DEX_OPT_FAILED: 8093 numberOfPackagesFailed++; 8094 break; 8095 default: 8096 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8097 break; 8098 } 8099 } 8100 8101 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8102 numberOfPackagesFailed }; 8103 } 8104 8105 @Override 8106 public void notifyPackageUse(String packageName, int reason) { 8107 synchronized (mPackages) { 8108 PackageParser.Package p = mPackages.get(packageName); 8109 if (p == null) { 8110 return; 8111 } 8112 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8113 } 8114 } 8115 8116 @Override 8117 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8118 int userId = UserHandle.getCallingUserId(); 8119 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8120 if (ai == null) { 8121 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8122 + loadingPackageName + ", user=" + userId); 8123 return; 8124 } 8125 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8126 } 8127 8128 // TODO: this is not used nor needed. Delete it. 8129 @Override 8130 public boolean performDexOptIfNeeded(String packageName) { 8131 int dexOptStatus = performDexOptTraced(packageName, 8132 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8133 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8134 } 8135 8136 @Override 8137 public boolean performDexOpt(String packageName, 8138 boolean checkProfiles, int compileReason, boolean force) { 8139 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8140 getCompilerFilterForReason(compileReason), force); 8141 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8142 } 8143 8144 @Override 8145 public boolean performDexOptMode(String packageName, 8146 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8147 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8148 targetCompilerFilter, force); 8149 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8150 } 8151 8152 private int performDexOptTraced(String packageName, 8153 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8154 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8155 try { 8156 return performDexOptInternal(packageName, checkProfiles, 8157 targetCompilerFilter, force); 8158 } finally { 8159 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8160 } 8161 } 8162 8163 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8164 // if the package can now be considered up to date for the given filter. 8165 private int performDexOptInternal(String packageName, 8166 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8167 PackageParser.Package p; 8168 synchronized (mPackages) { 8169 p = mPackages.get(packageName); 8170 if (p == null) { 8171 // Package could not be found. Report failure. 8172 return PackageDexOptimizer.DEX_OPT_FAILED; 8173 } 8174 mPackageUsage.maybeWriteAsync(mPackages); 8175 mCompilerStats.maybeWriteAsync(); 8176 } 8177 long callingId = Binder.clearCallingIdentity(); 8178 try { 8179 synchronized (mInstallLock) { 8180 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8181 targetCompilerFilter, force); 8182 } 8183 } finally { 8184 Binder.restoreCallingIdentity(callingId); 8185 } 8186 } 8187 8188 public ArraySet<String> getOptimizablePackages() { 8189 ArraySet<String> pkgs = new ArraySet<String>(); 8190 synchronized (mPackages) { 8191 for (PackageParser.Package p : mPackages.values()) { 8192 if (PackageDexOptimizer.canOptimizePackage(p)) { 8193 pkgs.add(p.packageName); 8194 } 8195 } 8196 } 8197 return pkgs; 8198 } 8199 8200 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8201 boolean checkProfiles, String targetCompilerFilter, 8202 boolean force) { 8203 // Select the dex optimizer based on the force parameter. 8204 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8205 // allocate an object here. 8206 PackageDexOptimizer pdo = force 8207 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8208 : mPackageDexOptimizer; 8209 8210 // Optimize all dependencies first. Note: we ignore the return value and march on 8211 // on errors. 8212 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8213 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8214 if (!deps.isEmpty()) { 8215 for (PackageParser.Package depPackage : deps) { 8216 // TODO: Analyze and investigate if we (should) profile libraries. 8217 // Currently this will do a full compilation of the library by default. 8218 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8219 false /* checkProfiles */, 8220 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8221 getOrCreateCompilerPackageStats(depPackage)); 8222 } 8223 } 8224 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8225 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 8226 } 8227 8228 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8229 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8230 || p.usesStaticLibraries != null) { 8231 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8232 Set<String> collectedNames = new HashSet<>(); 8233 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8234 8235 retValue.remove(p); 8236 8237 return retValue; 8238 } else { 8239 return Collections.emptyList(); 8240 } 8241 } 8242 8243 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8244 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8245 if (!collectedNames.contains(p.packageName)) { 8246 collectedNames.add(p.packageName); 8247 collected.add(p); 8248 8249 if (p.usesLibraries != null) { 8250 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8251 null, collected, collectedNames); 8252 } 8253 if (p.usesOptionalLibraries != null) { 8254 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8255 null, collected, collectedNames); 8256 } 8257 if (p.usesStaticLibraries != null) { 8258 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8259 p.usesStaticLibrariesVersions, collected, collectedNames); 8260 } 8261 } 8262 } 8263 8264 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8265 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8266 final int libNameCount = libs.size(); 8267 for (int i = 0; i < libNameCount; i++) { 8268 String libName = libs.get(i); 8269 int version = (versions != null && versions.length == libNameCount) 8270 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8271 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8272 if (libPkg != null) { 8273 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8274 } 8275 } 8276 } 8277 8278 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8279 synchronized (mPackages) { 8280 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8281 if (libEntry != null) { 8282 return mPackages.get(libEntry.apk); 8283 } 8284 return null; 8285 } 8286 } 8287 8288 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8289 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8290 if (versionedLib == null) { 8291 return null; 8292 } 8293 return versionedLib.get(version); 8294 } 8295 8296 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8297 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8298 pkg.staticSharedLibName); 8299 if (versionedLib == null) { 8300 return null; 8301 } 8302 int previousLibVersion = -1; 8303 final int versionCount = versionedLib.size(); 8304 for (int i = 0; i < versionCount; i++) { 8305 final int libVersion = versionedLib.keyAt(i); 8306 if (libVersion < pkg.staticSharedLibVersion) { 8307 previousLibVersion = Math.max(previousLibVersion, libVersion); 8308 } 8309 } 8310 if (previousLibVersion >= 0) { 8311 return versionedLib.get(previousLibVersion); 8312 } 8313 return null; 8314 } 8315 8316 public void shutdown() { 8317 mPackageUsage.writeNow(mPackages); 8318 mCompilerStats.writeNow(); 8319 } 8320 8321 @Override 8322 public void dumpProfiles(String packageName) { 8323 PackageParser.Package pkg; 8324 synchronized (mPackages) { 8325 pkg = mPackages.get(packageName); 8326 if (pkg == null) { 8327 throw new IllegalArgumentException("Unknown package: " + packageName); 8328 } 8329 } 8330 /* Only the shell, root, or the app user should be able to dump profiles. */ 8331 int callingUid = Binder.getCallingUid(); 8332 if (callingUid != Process.SHELL_UID && 8333 callingUid != Process.ROOT_UID && 8334 callingUid != pkg.applicationInfo.uid) { 8335 throw new SecurityException("dumpProfiles"); 8336 } 8337 8338 synchronized (mInstallLock) { 8339 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8340 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8341 try { 8342 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8343 String codePaths = TextUtils.join(";", allCodePaths); 8344 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8345 } catch (InstallerException e) { 8346 Slog.w(TAG, "Failed to dump profiles", e); 8347 } 8348 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8349 } 8350 } 8351 8352 @Override 8353 public void forceDexOpt(String packageName) { 8354 enforceSystemOrRoot("forceDexOpt"); 8355 8356 PackageParser.Package pkg; 8357 synchronized (mPackages) { 8358 pkg = mPackages.get(packageName); 8359 if (pkg == null) { 8360 throw new IllegalArgumentException("Unknown package: " + packageName); 8361 } 8362 } 8363 8364 synchronized (mInstallLock) { 8365 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8366 8367 // Whoever is calling forceDexOpt wants a fully compiled package. 8368 // Don't use profiles since that may cause compilation to be skipped. 8369 final int res = performDexOptInternalWithDependenciesLI(pkg, 8370 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8371 true /* force */); 8372 8373 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8374 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8375 throw new IllegalStateException("Failed to dexopt: " + res); 8376 } 8377 } 8378 } 8379 8380 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8381 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8382 Slog.w(TAG, "Unable to update from " + oldPkg.name 8383 + " to " + newPkg.packageName 8384 + ": old package not in system partition"); 8385 return false; 8386 } else if (mPackages.get(oldPkg.name) != null) { 8387 Slog.w(TAG, "Unable to update from " + oldPkg.name 8388 + " to " + newPkg.packageName 8389 + ": old package still exists"); 8390 return false; 8391 } 8392 return true; 8393 } 8394 8395 void removeCodePathLI(File codePath) { 8396 if (codePath.isDirectory()) { 8397 try { 8398 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8399 } catch (InstallerException e) { 8400 Slog.w(TAG, "Failed to remove code path", e); 8401 } 8402 } else { 8403 codePath.delete(); 8404 } 8405 } 8406 8407 private int[] resolveUserIds(int userId) { 8408 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8409 } 8410 8411 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8412 if (pkg == null) { 8413 Slog.wtf(TAG, "Package was null!", new Throwable()); 8414 return; 8415 } 8416 clearAppDataLeafLIF(pkg, userId, flags); 8417 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8418 for (int i = 0; i < childCount; i++) { 8419 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8420 } 8421 } 8422 8423 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8424 final PackageSetting ps; 8425 synchronized (mPackages) { 8426 ps = mSettings.mPackages.get(pkg.packageName); 8427 } 8428 for (int realUserId : resolveUserIds(userId)) { 8429 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8430 try { 8431 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8432 ceDataInode); 8433 } catch (InstallerException e) { 8434 Slog.w(TAG, String.valueOf(e)); 8435 } 8436 } 8437 } 8438 8439 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8440 if (pkg == null) { 8441 Slog.wtf(TAG, "Package was null!", new Throwable()); 8442 return; 8443 } 8444 destroyAppDataLeafLIF(pkg, userId, flags); 8445 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8446 for (int i = 0; i < childCount; i++) { 8447 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8448 } 8449 } 8450 8451 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8452 final PackageSetting ps; 8453 synchronized (mPackages) { 8454 ps = mSettings.mPackages.get(pkg.packageName); 8455 } 8456 for (int realUserId : resolveUserIds(userId)) { 8457 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8458 try { 8459 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8460 ceDataInode); 8461 } catch (InstallerException e) { 8462 Slog.w(TAG, String.valueOf(e)); 8463 } 8464 } 8465 } 8466 8467 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8468 if (pkg == null) { 8469 Slog.wtf(TAG, "Package was null!", new Throwable()); 8470 return; 8471 } 8472 destroyAppProfilesLeafLIF(pkg); 8473 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8474 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8475 for (int i = 0; i < childCount; i++) { 8476 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8477 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8478 true /* removeBaseMarker */); 8479 } 8480 } 8481 8482 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8483 boolean removeBaseMarker) { 8484 if (pkg.isForwardLocked()) { 8485 return; 8486 } 8487 8488 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8489 try { 8490 path = PackageManagerServiceUtils.realpath(new File(path)); 8491 } catch (IOException e) { 8492 // TODO: Should we return early here ? 8493 Slog.w(TAG, "Failed to get canonical path", e); 8494 continue; 8495 } 8496 8497 final String useMarker = path.replace('/', '@'); 8498 for (int realUserId : resolveUserIds(userId)) { 8499 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8500 if (removeBaseMarker) { 8501 File foreignUseMark = new File(profileDir, useMarker); 8502 if (foreignUseMark.exists()) { 8503 if (!foreignUseMark.delete()) { 8504 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8505 + pkg.packageName); 8506 } 8507 } 8508 } 8509 8510 File[] markers = profileDir.listFiles(); 8511 if (markers != null) { 8512 final String searchString = "@" + pkg.packageName + "@"; 8513 // We also delete all markers that contain the package name we're 8514 // uninstalling. These are associated with secondary dex-files belonging 8515 // to the package. Reconstructing the path of these dex files is messy 8516 // in general. 8517 for (File marker : markers) { 8518 if (marker.getName().indexOf(searchString) > 0) { 8519 if (!marker.delete()) { 8520 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8521 + pkg.packageName); 8522 } 8523 } 8524 } 8525 } 8526 } 8527 } 8528 } 8529 8530 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8531 try { 8532 mInstaller.destroyAppProfiles(pkg.packageName); 8533 } catch (InstallerException e) { 8534 Slog.w(TAG, String.valueOf(e)); 8535 } 8536 } 8537 8538 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8539 if (pkg == null) { 8540 Slog.wtf(TAG, "Package was null!", new Throwable()); 8541 return; 8542 } 8543 clearAppProfilesLeafLIF(pkg); 8544 // We don't remove the base foreign use marker when clearing profiles because 8545 // we will rename it when the app is updated. Unlike the actual profile contents, 8546 // the foreign use marker is good across installs. 8547 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8548 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8549 for (int i = 0; i < childCount; i++) { 8550 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8551 } 8552 } 8553 8554 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8555 try { 8556 mInstaller.clearAppProfiles(pkg.packageName); 8557 } catch (InstallerException e) { 8558 Slog.w(TAG, String.valueOf(e)); 8559 } 8560 } 8561 8562 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8563 long lastUpdateTime) { 8564 // Set parent install/update time 8565 PackageSetting ps = (PackageSetting) pkg.mExtras; 8566 if (ps != null) { 8567 ps.firstInstallTime = firstInstallTime; 8568 ps.lastUpdateTime = lastUpdateTime; 8569 } 8570 // Set children install/update time 8571 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8572 for (int i = 0; i < childCount; i++) { 8573 PackageParser.Package childPkg = pkg.childPackages.get(i); 8574 ps = (PackageSetting) childPkg.mExtras; 8575 if (ps != null) { 8576 ps.firstInstallTime = firstInstallTime; 8577 ps.lastUpdateTime = lastUpdateTime; 8578 } 8579 } 8580 } 8581 8582 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8583 PackageParser.Package changingLib) { 8584 if (file.path != null) { 8585 usesLibraryFiles.add(file.path); 8586 return; 8587 } 8588 PackageParser.Package p = mPackages.get(file.apk); 8589 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8590 // If we are doing this while in the middle of updating a library apk, 8591 // then we need to make sure to use that new apk for determining the 8592 // dependencies here. (We haven't yet finished committing the new apk 8593 // to the package manager state.) 8594 if (p == null || p.packageName.equals(changingLib.packageName)) { 8595 p = changingLib; 8596 } 8597 } 8598 if (p != null) { 8599 usesLibraryFiles.addAll(p.getAllCodePaths()); 8600 } 8601 } 8602 8603 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8604 PackageParser.Package changingLib) throws PackageManagerException { 8605 if (pkg == null) { 8606 return; 8607 } 8608 ArraySet<String> usesLibraryFiles = null; 8609 if (pkg.usesLibraries != null) { 8610 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8611 null, null, pkg.packageName, changingLib, true, null); 8612 } 8613 if (pkg.usesStaticLibraries != null) { 8614 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8615 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8616 pkg.packageName, changingLib, true, usesLibraryFiles); 8617 } 8618 if (pkg.usesOptionalLibraries != null) { 8619 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8620 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8621 } 8622 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8623 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8624 } else { 8625 pkg.usesLibraryFiles = null; 8626 } 8627 } 8628 8629 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8630 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8631 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8632 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8633 throws PackageManagerException { 8634 final int libCount = requestedLibraries.size(); 8635 for (int i = 0; i < libCount; i++) { 8636 final String libName = requestedLibraries.get(i); 8637 final int libVersion = requiredVersions != null ? requiredVersions[i] 8638 : SharedLibraryInfo.VERSION_UNDEFINED; 8639 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8640 if (libEntry == null) { 8641 if (required) { 8642 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8643 "Package " + packageName + " requires unavailable shared library " 8644 + libName + "; failing!"); 8645 } else { 8646 Slog.w(TAG, "Package " + packageName 8647 + " desires unavailable shared library " 8648 + libName + "; ignoring!"); 8649 } 8650 } else { 8651 if (requiredVersions != null && requiredCertDigests != null) { 8652 if (libEntry.info.getVersion() != requiredVersions[i]) { 8653 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8654 "Package " + packageName + " requires unavailable static shared" 8655 + " library " + libName + " version " 8656 + libEntry.info.getVersion() + "; failing!"); 8657 } 8658 8659 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8660 if (libPkg == null) { 8661 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8662 "Package " + packageName + " requires unavailable static shared" 8663 + " library; failing!"); 8664 } 8665 8666 String expectedCertDigest = requiredCertDigests[i]; 8667 String libCertDigest = PackageUtils.computeCertSha256Digest( 8668 libPkg.mSignatures[0]); 8669 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8670 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8671 "Package " + packageName + " requires differently signed" + 8672 " static shared library; failing!"); 8673 } 8674 } 8675 8676 if (outUsedLibraries == null) { 8677 outUsedLibraries = new ArraySet<>(); 8678 } 8679 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8680 } 8681 } 8682 return outUsedLibraries; 8683 } 8684 8685 private static boolean hasString(List<String> list, List<String> which) { 8686 if (list == null) { 8687 return false; 8688 } 8689 for (int i=list.size()-1; i>=0; i--) { 8690 for (int j=which.size()-1; j>=0; j--) { 8691 if (which.get(j).equals(list.get(i))) { 8692 return true; 8693 } 8694 } 8695 } 8696 return false; 8697 } 8698 8699 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8700 PackageParser.Package changingPkg) { 8701 ArrayList<PackageParser.Package> res = null; 8702 for (PackageParser.Package pkg : mPackages.values()) { 8703 if (changingPkg != null 8704 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8705 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8706 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8707 changingPkg.staticSharedLibName)) { 8708 return null; 8709 } 8710 if (res == null) { 8711 res = new ArrayList<>(); 8712 } 8713 res.add(pkg); 8714 try { 8715 updateSharedLibrariesLPr(pkg, changingPkg); 8716 } catch (PackageManagerException e) { 8717 // If a system app update or an app and a required lib missing we 8718 // delete the package and for updated system apps keep the data as 8719 // it is better for the user to reinstall than to be in an limbo 8720 // state. Also libs disappearing under an app should never happen 8721 // - just in case. 8722 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8723 final int flags = pkg.isUpdatedSystemApp() 8724 ? PackageManager.DELETE_KEEP_DATA : 0; 8725 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8726 flags , null, true, null); 8727 } 8728 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8729 } 8730 } 8731 return res; 8732 } 8733 8734 /** 8735 * Derive the value of the {@code cpuAbiOverride} based on the provided 8736 * value and an optional stored value from the package settings. 8737 */ 8738 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8739 String cpuAbiOverride = null; 8740 8741 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8742 cpuAbiOverride = null; 8743 } else if (abiOverride != null) { 8744 cpuAbiOverride = abiOverride; 8745 } else if (settings != null) { 8746 cpuAbiOverride = settings.cpuAbiOverrideString; 8747 } 8748 8749 return cpuAbiOverride; 8750 } 8751 8752 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8753 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 8754 throws PackageManagerException { 8755 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8756 // If the package has children and this is the first dive in the function 8757 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8758 // whether all packages (parent and children) would be successfully scanned 8759 // before the actual scan since scanning mutates internal state and we want 8760 // to atomically install the package and its children. 8761 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8762 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8763 scanFlags |= SCAN_CHECK_ONLY; 8764 } 8765 } else { 8766 scanFlags &= ~SCAN_CHECK_ONLY; 8767 } 8768 8769 final PackageParser.Package scannedPkg; 8770 try { 8771 // Scan the parent 8772 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8773 // Scan the children 8774 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8775 for (int i = 0; i < childCount; i++) { 8776 PackageParser.Package childPkg = pkg.childPackages.get(i); 8777 scanPackageLI(childPkg, policyFlags, 8778 scanFlags, currentTime, user); 8779 } 8780 } finally { 8781 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8782 } 8783 8784 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8785 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8786 } 8787 8788 return scannedPkg; 8789 } 8790 8791 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8792 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8793 boolean success = false; 8794 try { 8795 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8796 currentTime, user); 8797 success = true; 8798 return res; 8799 } finally { 8800 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8801 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8802 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8803 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8804 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8805 } 8806 } 8807 } 8808 8809 /** 8810 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8811 */ 8812 private static boolean apkHasCode(String fileName) { 8813 StrictJarFile jarFile = null; 8814 try { 8815 jarFile = new StrictJarFile(fileName, 8816 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8817 return jarFile.findEntry("classes.dex") != null; 8818 } catch (IOException ignore) { 8819 } finally { 8820 try { 8821 if (jarFile != null) { 8822 jarFile.close(); 8823 } 8824 } catch (IOException ignore) {} 8825 } 8826 return false; 8827 } 8828 8829 /** 8830 * Enforces code policy for the package. This ensures that if an APK has 8831 * declared hasCode="true" in its manifest that the APK actually contains 8832 * code. 8833 * 8834 * @throws PackageManagerException If bytecode could not be found when it should exist 8835 */ 8836 private static void assertCodePolicy(PackageParser.Package pkg) 8837 throws PackageManagerException { 8838 final boolean shouldHaveCode = 8839 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8840 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8841 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8842 "Package " + pkg.baseCodePath + " code is missing"); 8843 } 8844 8845 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8846 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8847 final boolean splitShouldHaveCode = 8848 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8849 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8850 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8851 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8852 } 8853 } 8854 } 8855 } 8856 8857 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8858 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8859 throws PackageManagerException { 8860 if (DEBUG_PACKAGE_SCANNING) { 8861 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8862 Log.d(TAG, "Scanning package " + pkg.packageName); 8863 } 8864 8865 applyPolicy(pkg, policyFlags); 8866 8867 assertPackageIsValid(pkg, policyFlags, scanFlags); 8868 8869 // Initialize package source and resource directories 8870 final File scanFile = new File(pkg.codePath); 8871 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8872 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8873 8874 SharedUserSetting suid = null; 8875 PackageSetting pkgSetting = null; 8876 8877 // Getting the package setting may have a side-effect, so if we 8878 // are only checking if scan would succeed, stash a copy of the 8879 // old setting to restore at the end. 8880 PackageSetting nonMutatedPs = null; 8881 8882 // We keep references to the derived CPU Abis from settings in oder to reuse 8883 // them in the case where we're not upgrading or booting for the first time. 8884 String primaryCpuAbiFromSettings = null; 8885 String secondaryCpuAbiFromSettings = null; 8886 8887 // writer 8888 synchronized (mPackages) { 8889 if (pkg.mSharedUserId != null) { 8890 // SIDE EFFECTS; may potentially allocate a new shared user 8891 suid = mSettings.getSharedUserLPw( 8892 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 8893 if (DEBUG_PACKAGE_SCANNING) { 8894 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8895 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8896 + "): packages=" + suid.packages); 8897 } 8898 } 8899 8900 // Check if we are renaming from an original package name. 8901 PackageSetting origPackage = null; 8902 String realName = null; 8903 if (pkg.mOriginalPackages != null) { 8904 // This package may need to be renamed to a previously 8905 // installed name. Let's check on that... 8906 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8907 if (pkg.mOriginalPackages.contains(renamed)) { 8908 // This package had originally been installed as the 8909 // original name, and we have already taken care of 8910 // transitioning to the new one. Just update the new 8911 // one to continue using the old name. 8912 realName = pkg.mRealPackage; 8913 if (!pkg.packageName.equals(renamed)) { 8914 // Callers into this function may have already taken 8915 // care of renaming the package; only do it here if 8916 // it is not already done. 8917 pkg.setPackageName(renamed); 8918 } 8919 } else { 8920 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8921 if ((origPackage = mSettings.getPackageLPr( 8922 pkg.mOriginalPackages.get(i))) != null) { 8923 // We do have the package already installed under its 8924 // original name... should we use it? 8925 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8926 // New package is not compatible with original. 8927 origPackage = null; 8928 continue; 8929 } else if (origPackage.sharedUser != null) { 8930 // Make sure uid is compatible between packages. 8931 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8932 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8933 + " to " + pkg.packageName + ": old uid " 8934 + origPackage.sharedUser.name 8935 + " differs from " + pkg.mSharedUserId); 8936 origPackage = null; 8937 continue; 8938 } 8939 // TODO: Add case when shared user id is added [b/28144775] 8940 } else { 8941 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8942 + pkg.packageName + " to old name " + origPackage.name); 8943 } 8944 break; 8945 } 8946 } 8947 } 8948 } 8949 8950 if (mTransferedPackages.contains(pkg.packageName)) { 8951 Slog.w(TAG, "Package " + pkg.packageName 8952 + " was transferred to another, but its .apk remains"); 8953 } 8954 8955 // See comments in nonMutatedPs declaration 8956 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8957 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8958 if (foundPs != null) { 8959 nonMutatedPs = new PackageSetting(foundPs); 8960 } 8961 } 8962 8963 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 8964 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 8965 if (foundPs != null) { 8966 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 8967 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 8968 } 8969 } 8970 8971 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8972 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 8973 PackageManagerService.reportSettingsProblem(Log.WARN, 8974 "Package " + pkg.packageName + " shared user changed from " 8975 + (pkgSetting.sharedUser != null 8976 ? pkgSetting.sharedUser.name : "<nothing>") 8977 + " to " 8978 + (suid != null ? suid.name : "<nothing>") 8979 + "; replacing with new"); 8980 pkgSetting = null; 8981 } 8982 final PackageSetting oldPkgSetting = 8983 pkgSetting == null ? null : new PackageSetting(pkgSetting); 8984 final PackageSetting disabledPkgSetting = 8985 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8986 8987 String[] usesStaticLibraries = null; 8988 if (pkg.usesStaticLibraries != null) { 8989 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 8990 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 8991 } 8992 8993 if (pkgSetting == null) { 8994 final String parentPackageName = (pkg.parentPackage != null) 8995 ? pkg.parentPackage.packageName : null; 8996 8997 // REMOVE SharedUserSetting from method; update in a separate call 8998 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 8999 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9000 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9001 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9002 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9003 true /*allowInstall*/, parentPackageName, pkg.getChildPackageNames(), 9004 UserManagerService.getInstance(), usesStaticLibraries, 9005 pkg.usesStaticLibrariesVersions); 9006 // SIDE EFFECTS; updates system state; move elsewhere 9007 if (origPackage != null) { 9008 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9009 } 9010 mSettings.addUserToSettingLPw(pkgSetting); 9011 } else { 9012 // REMOVE SharedUserSetting from method; update in a separate call. 9013 // 9014 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9015 // secondaryCpuAbi are not known at this point so we always update them 9016 // to null here, only to reset them at a later point. 9017 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9018 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9019 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9020 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9021 UserManagerService.getInstance(), usesStaticLibraries, 9022 pkg.usesStaticLibrariesVersions); 9023 } 9024 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9025 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9026 9027 // SIDE EFFECTS; modifies system state; move elsewhere 9028 if (pkgSetting.origPackage != null) { 9029 // If we are first transitioning from an original package, 9030 // fix up the new package's name now. We need to do this after 9031 // looking up the package under its new name, so getPackageLP 9032 // can take care of fiddling things correctly. 9033 pkg.setPackageName(origPackage.name); 9034 9035 // File a report about this. 9036 String msg = "New package " + pkgSetting.realName 9037 + " renamed to replace old package " + pkgSetting.name; 9038 reportSettingsProblem(Log.WARN, msg); 9039 9040 // Make a note of it. 9041 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9042 mTransferedPackages.add(origPackage.name); 9043 } 9044 9045 // No longer need to retain this. 9046 pkgSetting.origPackage = null; 9047 } 9048 9049 // SIDE EFFECTS; modifies system state; move elsewhere 9050 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9051 // Make a note of it. 9052 mTransferedPackages.add(pkg.packageName); 9053 } 9054 9055 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9056 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9057 } 9058 9059 if ((scanFlags & SCAN_BOOTING) == 0 9060 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9061 // Check all shared libraries and map to their actual file path. 9062 // We only do this here for apps not on a system dir, because those 9063 // are the only ones that can fail an install due to this. We 9064 // will take care of the system apps by updating all of their 9065 // library paths after the scan is done. Also during the initial 9066 // scan don't update any libs as we do this wholesale after all 9067 // apps are scanned to avoid dependency based scanning. 9068 updateSharedLibrariesLPr(pkg, null); 9069 } 9070 9071 if (mFoundPolicyFile) { 9072 SELinuxMMAC.assignSeinfoValue(pkg); 9073 } 9074 9075 pkg.applicationInfo.uid = pkgSetting.appId; 9076 pkg.mExtras = pkgSetting; 9077 9078 9079 // Static shared libs have same package with different versions where 9080 // we internally use a synthetic package name to allow multiple versions 9081 // of the same package, therefore we need to compare signatures against 9082 // the package setting for the latest library version. 9083 PackageSetting signatureCheckPs = pkgSetting; 9084 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9085 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9086 if (libraryEntry != null) { 9087 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9088 } 9089 } 9090 9091 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9092 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9093 // We just determined the app is signed correctly, so bring 9094 // over the latest parsed certs. 9095 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9096 } else { 9097 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9098 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9099 "Package " + pkg.packageName + " upgrade keys do not match the " 9100 + "previously installed version"); 9101 } else { 9102 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9103 String msg = "System package " + pkg.packageName 9104 + " signature changed; retaining data."; 9105 reportSettingsProblem(Log.WARN, msg); 9106 } 9107 } 9108 } else { 9109 try { 9110 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9111 verifySignaturesLP(signatureCheckPs, pkg); 9112 // We just determined the app is signed correctly, so bring 9113 // over the latest parsed certs. 9114 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9115 } catch (PackageManagerException e) { 9116 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9117 throw e; 9118 } 9119 // The signature has changed, but this package is in the system 9120 // image... let's recover! 9121 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9122 // However... if this package is part of a shared user, but it 9123 // doesn't match the signature of the shared user, let's fail. 9124 // What this means is that you can't change the signatures 9125 // associated with an overall shared user, which doesn't seem all 9126 // that unreasonable. 9127 if (signatureCheckPs.sharedUser != null) { 9128 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9129 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9130 throw new PackageManagerException( 9131 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9132 "Signature mismatch for shared user: " 9133 + pkgSetting.sharedUser); 9134 } 9135 } 9136 // File a report about this. 9137 String msg = "System package " + pkg.packageName 9138 + " signature changed; retaining data."; 9139 reportSettingsProblem(Log.WARN, msg); 9140 } 9141 } 9142 9143 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9144 // This package wants to adopt ownership of permissions from 9145 // another package. 9146 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9147 final String origName = pkg.mAdoptPermissions.get(i); 9148 final PackageSetting orig = mSettings.getPackageLPr(origName); 9149 if (orig != null) { 9150 if (verifyPackageUpdateLPr(orig, pkg)) { 9151 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9152 + pkg.packageName); 9153 // SIDE EFFECTS; updates permissions system state; move elsewhere 9154 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9155 } 9156 } 9157 } 9158 } 9159 } 9160 9161 pkg.applicationInfo.processName = fixProcessName( 9162 pkg.applicationInfo.packageName, 9163 pkg.applicationInfo.processName); 9164 9165 if (pkg != mPlatformPackage) { 9166 // Get all of our default paths setup 9167 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9168 } 9169 9170 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9171 9172 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9173 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9174 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9175 derivePackageAbi( 9176 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9177 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9178 9179 // Some system apps still use directory structure for native libraries 9180 // in which case we might end up not detecting abi solely based on apk 9181 // structure. Try to detect abi based on directory structure. 9182 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9183 pkg.applicationInfo.primaryCpuAbi == null) { 9184 setBundledAppAbisAndRoots(pkg, pkgSetting); 9185 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9186 } 9187 } else { 9188 // This is not a first boot or an upgrade, don't bother deriving the 9189 // ABI during the scan. Instead, trust the value that was stored in the 9190 // package setting. 9191 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9192 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9193 9194 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9195 9196 if (DEBUG_ABI_SELECTION) { 9197 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9198 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9199 pkg.applicationInfo.secondaryCpuAbi); 9200 } 9201 } 9202 } else { 9203 if ((scanFlags & SCAN_MOVE) != 0) { 9204 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9205 // but we already have this packages package info in the PackageSetting. We just 9206 // use that and derive the native library path based on the new codepath. 9207 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9208 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9209 } 9210 9211 // Set native library paths again. For moves, the path will be updated based on the 9212 // ABIs we've determined above. For non-moves, the path will be updated based on the 9213 // ABIs we determined during compilation, but the path will depend on the final 9214 // package path (after the rename away from the stage path). 9215 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9216 } 9217 9218 // This is a special case for the "system" package, where the ABI is 9219 // dictated by the zygote configuration (and init.rc). We should keep track 9220 // of this ABI so that we can deal with "normal" applications that run under 9221 // the same UID correctly. 9222 if (mPlatformPackage == pkg) { 9223 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9224 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9225 } 9226 9227 // If there's a mismatch between the abi-override in the package setting 9228 // and the abiOverride specified for the install. Warn about this because we 9229 // would've already compiled the app without taking the package setting into 9230 // account. 9231 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9232 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9233 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9234 " for package " + pkg.packageName); 9235 } 9236 } 9237 9238 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9239 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9240 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9241 9242 // Copy the derived override back to the parsed package, so that we can 9243 // update the package settings accordingly. 9244 pkg.cpuAbiOverride = cpuAbiOverride; 9245 9246 if (DEBUG_ABI_SELECTION) { 9247 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9248 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9249 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9250 } 9251 9252 // Push the derived path down into PackageSettings so we know what to 9253 // clean up at uninstall time. 9254 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9255 9256 if (DEBUG_ABI_SELECTION) { 9257 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9258 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9259 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9260 } 9261 9262 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9263 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9264 // We don't do this here during boot because we can do it all 9265 // at once after scanning all existing packages. 9266 // 9267 // We also do this *before* we perform dexopt on this package, so that 9268 // we can avoid redundant dexopts, and also to make sure we've got the 9269 // code and package path correct. 9270 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9271 } 9272 9273 if (mFactoryTest && pkg.requestedPermissions.contains( 9274 android.Manifest.permission.FACTORY_TEST)) { 9275 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9276 } 9277 9278 if (isSystemApp(pkg)) { 9279 pkgSetting.isOrphaned = true; 9280 } 9281 9282 // Take care of first install / last update times. 9283 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9284 if (currentTime != 0) { 9285 if (pkgSetting.firstInstallTime == 0) { 9286 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9287 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9288 pkgSetting.lastUpdateTime = currentTime; 9289 } 9290 } else if (pkgSetting.firstInstallTime == 0) { 9291 // We need *something*. Take time time stamp of the file. 9292 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9293 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9294 if (scanFileTime != pkgSetting.timeStamp) { 9295 // A package on the system image has changed; consider this 9296 // to be an update. 9297 pkgSetting.lastUpdateTime = scanFileTime; 9298 } 9299 } 9300 pkgSetting.setTimeStamp(scanFileTime); 9301 9302 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9303 if (nonMutatedPs != null) { 9304 synchronized (mPackages) { 9305 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9306 } 9307 } 9308 } else { 9309 // Modify state for the given package setting 9310 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9311 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9312 if (isEphemeral(pkg)) { 9313 final int userId = user == null ? 0 : user.getIdentifier(); 9314 mEphemeralApplicationRegistry.addEphemeralAppLPw(userId, pkgSetting.appId); 9315 } 9316 } 9317 return pkg; 9318 } 9319 9320 /** 9321 * Applies policy to the parsed package based upon the given policy flags. 9322 * Ensures the package is in a good state. 9323 * <p> 9324 * Implementation detail: This method must NOT have any side effect. It would 9325 * ideally be static, but, it requires locks to read system state. 9326 */ 9327 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9328 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9329 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9330 if (pkg.applicationInfo.isDirectBootAware()) { 9331 // we're direct boot aware; set for all components 9332 for (PackageParser.Service s : pkg.services) { 9333 s.info.encryptionAware = s.info.directBootAware = true; 9334 } 9335 for (PackageParser.Provider p : pkg.providers) { 9336 p.info.encryptionAware = p.info.directBootAware = true; 9337 } 9338 for (PackageParser.Activity a : pkg.activities) { 9339 a.info.encryptionAware = a.info.directBootAware = true; 9340 } 9341 for (PackageParser.Activity r : pkg.receivers) { 9342 r.info.encryptionAware = r.info.directBootAware = true; 9343 } 9344 } 9345 } else { 9346 // Only allow system apps to be flagged as core apps. 9347 pkg.coreApp = false; 9348 // clear flags not applicable to regular apps 9349 pkg.applicationInfo.privateFlags &= 9350 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9351 pkg.applicationInfo.privateFlags &= 9352 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9353 } 9354 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9355 9356 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9357 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9358 } 9359 9360 if (!isSystemApp(pkg)) { 9361 // Only system apps can use these features. 9362 pkg.mOriginalPackages = null; 9363 pkg.mRealPackage = null; 9364 pkg.mAdoptPermissions = null; 9365 } 9366 } 9367 9368 /** 9369 * Asserts the parsed package is valid according to the given policy. If the 9370 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 9371 * <p> 9372 * Implementation detail: This method must NOT have any side effects. It would 9373 * ideally be static, but, it requires locks to read system state. 9374 * 9375 * @throws PackageManagerException If the package fails any of the validation checks 9376 */ 9377 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9378 throws PackageManagerException { 9379 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9380 assertCodePolicy(pkg); 9381 } 9382 9383 if (pkg.applicationInfo.getCodePath() == null || 9384 pkg.applicationInfo.getResourcePath() == null) { 9385 // Bail out. The resource and code paths haven't been set. 9386 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9387 "Code and resource paths haven't been set correctly"); 9388 } 9389 9390 // Make sure we're not adding any bogus keyset info 9391 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9392 ksms.assertScannedPackageValid(pkg); 9393 9394 synchronized (mPackages) { 9395 // The special "android" package can only be defined once 9396 if (pkg.packageName.equals("android")) { 9397 if (mAndroidApplication != null) { 9398 Slog.w(TAG, "*************************************************"); 9399 Slog.w(TAG, "Core android package being redefined. Skipping."); 9400 Slog.w(TAG, " codePath=" + pkg.codePath); 9401 Slog.w(TAG, "*************************************************"); 9402 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9403 "Core android package being redefined. Skipping."); 9404 } 9405 } 9406 9407 // A package name must be unique; don't allow duplicates 9408 if (mPackages.containsKey(pkg.packageName)) { 9409 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9410 "Application package " + pkg.packageName 9411 + " already installed. Skipping duplicate."); 9412 } 9413 9414 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9415 // Static libs have a synthetic package name containing the version 9416 // but we still want the base name to be unique. 9417 if (mPackages.containsKey(pkg.manifestPackageName)) { 9418 throw new PackageManagerException( 9419 "Duplicate static shared lib provider package"); 9420 } 9421 9422 // Static shared libraries should have at least O target SDK 9423 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9424 throw new PackageManagerException( 9425 "Packages declaring static-shared libs must target O SDK or higher"); 9426 } 9427 9428 // Package declaring static a shared lib cannot be ephemeral 9429 if (pkg.applicationInfo.isEphemeralApp()) { 9430 throw new PackageManagerException( 9431 "Packages declaring static-shared libs cannot be ephemeral"); 9432 } 9433 9434 // Package declaring static a shared lib cannot be renamed since the package 9435 // name is synthetic and apps can't code around package manager internals. 9436 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9437 throw new PackageManagerException( 9438 "Packages declaring static-shared libs cannot be renamed"); 9439 } 9440 9441 // Package declaring static a shared lib cannot declare child packages 9442 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9443 throw new PackageManagerException( 9444 "Packages declaring static-shared libs cannot have child packages"); 9445 } 9446 9447 // Package declaring static a shared lib cannot declare dynamic libs 9448 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9449 throw new PackageManagerException( 9450 "Packages declaring static-shared libs cannot declare dynamic libs"); 9451 } 9452 9453 // Package declaring static a shared lib cannot declare shared users 9454 if (pkg.mSharedUserId != null) { 9455 throw new PackageManagerException( 9456 "Packages declaring static-shared libs cannot declare shared users"); 9457 } 9458 9459 // Static shared libs cannot declare activities 9460 if (!pkg.activities.isEmpty()) { 9461 throw new PackageManagerException( 9462 "Static shared libs cannot declare activities"); 9463 } 9464 9465 // Static shared libs cannot declare services 9466 if (!pkg.services.isEmpty()) { 9467 throw new PackageManagerException( 9468 "Static shared libs cannot declare services"); 9469 } 9470 9471 // Static shared libs cannot declare providers 9472 if (!pkg.providers.isEmpty()) { 9473 throw new PackageManagerException( 9474 "Static shared libs cannot declare content providers"); 9475 } 9476 9477 // Static shared libs cannot declare receivers 9478 if (!pkg.receivers.isEmpty()) { 9479 throw new PackageManagerException( 9480 "Static shared libs cannot declare broadcast receivers"); 9481 } 9482 9483 // Static shared libs cannot declare permission groups 9484 if (!pkg.permissionGroups.isEmpty()) { 9485 throw new PackageManagerException( 9486 "Static shared libs cannot declare permission groups"); 9487 } 9488 9489 // Static shared libs cannot declare permissions 9490 if (!pkg.permissions.isEmpty()) { 9491 throw new PackageManagerException( 9492 "Static shared libs cannot declare permissions"); 9493 } 9494 9495 // Static shared libs cannot declare protected broadcasts 9496 if (pkg.protectedBroadcasts != null) { 9497 throw new PackageManagerException( 9498 "Static shared libs cannot declare protected broadcasts"); 9499 } 9500 9501 // Static shared libs cannot be overlay targets 9502 if (pkg.mOverlayTarget != null) { 9503 throw new PackageManagerException( 9504 "Static shared libs cannot be overlay targets"); 9505 } 9506 9507 // The version codes must be ordered as lib versions 9508 int minVersionCode = Integer.MIN_VALUE; 9509 int maxVersionCode = Integer.MAX_VALUE; 9510 9511 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9512 pkg.staticSharedLibName); 9513 if (versionedLib != null) { 9514 final int versionCount = versionedLib.size(); 9515 for (int i = 0; i < versionCount; i++) { 9516 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9517 // TODO: We will change version code to long, so in the new API it is long 9518 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9519 .getVersionCode(); 9520 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9521 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9522 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9523 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9524 } else { 9525 minVersionCode = maxVersionCode = libVersionCode; 9526 break; 9527 } 9528 } 9529 } 9530 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9531 throw new PackageManagerException("Static shared" 9532 + " lib version codes must be ordered as lib versions"); 9533 } 9534 } 9535 9536 // Only privileged apps and updated privileged apps can add child packages. 9537 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9538 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9539 throw new PackageManagerException("Only privileged apps can add child " 9540 + "packages. Ignoring package " + pkg.packageName); 9541 } 9542 final int childCount = pkg.childPackages.size(); 9543 for (int i = 0; i < childCount; i++) { 9544 PackageParser.Package childPkg = pkg.childPackages.get(i); 9545 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9546 childPkg.packageName)) { 9547 throw new PackageManagerException("Can't override child of " 9548 + "another disabled app. Ignoring package " + pkg.packageName); 9549 } 9550 } 9551 } 9552 9553 // If we're only installing presumed-existing packages, require that the 9554 // scanned APK is both already known and at the path previously established 9555 // for it. Previously unknown packages we pick up normally, but if we have an 9556 // a priori expectation about this package's install presence, enforce it. 9557 // With a singular exception for new system packages. When an OTA contains 9558 // a new system package, we allow the codepath to change from a system location 9559 // to the user-installed location. If we don't allow this change, any newer, 9560 // user-installed version of the application will be ignored. 9561 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9562 if (mExpectingBetter.containsKey(pkg.packageName)) { 9563 logCriticalInfo(Log.WARN, 9564 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9565 } else { 9566 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9567 if (known != null) { 9568 if (DEBUG_PACKAGE_SCANNING) { 9569 Log.d(TAG, "Examining " + pkg.codePath 9570 + " and requiring known paths " + known.codePathString 9571 + " & " + known.resourcePathString); 9572 } 9573 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9574 || !pkg.applicationInfo.getResourcePath().equals( 9575 known.resourcePathString)) { 9576 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9577 "Application package " + pkg.packageName 9578 + " found at " + pkg.applicationInfo.getCodePath() 9579 + " but expected at " + known.codePathString 9580 + "; ignoring."); 9581 } 9582 } 9583 } 9584 } 9585 9586 // Verify that this new package doesn't have any content providers 9587 // that conflict with existing packages. Only do this if the 9588 // package isn't already installed, since we don't want to break 9589 // things that are installed. 9590 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9591 final int N = pkg.providers.size(); 9592 int i; 9593 for (i=0; i<N; i++) { 9594 PackageParser.Provider p = pkg.providers.get(i); 9595 if (p.info.authority != null) { 9596 String names[] = p.info.authority.split(";"); 9597 for (int j = 0; j < names.length; j++) { 9598 if (mProvidersByAuthority.containsKey(names[j])) { 9599 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9600 final String otherPackageName = 9601 ((other != null && other.getComponentName() != null) ? 9602 other.getComponentName().getPackageName() : "?"); 9603 throw new PackageManagerException( 9604 INSTALL_FAILED_CONFLICTING_PROVIDER, 9605 "Can't install because provider name " + names[j] 9606 + " (in package " + pkg.applicationInfo.packageName 9607 + ") is already used by " + otherPackageName); 9608 } 9609 } 9610 } 9611 } 9612 } 9613 } 9614 } 9615 9616 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9617 int type, String declaringPackageName, int declaringVersionCode) { 9618 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9619 if (versionedLib == null) { 9620 versionedLib = new SparseArray<>(); 9621 mSharedLibraries.put(name, versionedLib); 9622 if (type == SharedLibraryInfo.TYPE_STATIC) { 9623 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9624 } 9625 } else if (versionedLib.indexOfKey(version) >= 0) { 9626 return false; 9627 } 9628 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9629 version, type, declaringPackageName, declaringVersionCode); 9630 versionedLib.put(version, libEntry); 9631 return true; 9632 } 9633 9634 private boolean removeSharedLibraryLPw(String name, int version) { 9635 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9636 if (versionedLib == null) { 9637 return false; 9638 } 9639 final int libIdx = versionedLib.indexOfKey(version); 9640 if (libIdx < 0) { 9641 return false; 9642 } 9643 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9644 versionedLib.remove(version); 9645 if (versionedLib.size() <= 0) { 9646 mSharedLibraries.remove(name); 9647 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9648 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9649 .getPackageName()); 9650 } 9651 } 9652 return true; 9653 } 9654 9655 /** 9656 * Adds a scanned package to the system. When this method is finished, the package will 9657 * be available for query, resolution, etc... 9658 */ 9659 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9660 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9661 final String pkgName = pkg.packageName; 9662 if (mCustomResolverComponentName != null && 9663 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9664 setUpCustomResolverActivity(pkg); 9665 } 9666 9667 if (pkg.packageName.equals("android")) { 9668 synchronized (mPackages) { 9669 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9670 // Set up information for our fall-back user intent resolution activity. 9671 mPlatformPackage = pkg; 9672 pkg.mVersionCode = mSdkVersion; 9673 mAndroidApplication = pkg.applicationInfo; 9674 9675 if (!mResolverReplaced) { 9676 mResolveActivity.applicationInfo = mAndroidApplication; 9677 mResolveActivity.name = ResolverActivity.class.getName(); 9678 mResolveActivity.packageName = mAndroidApplication.packageName; 9679 mResolveActivity.processName = "system:ui"; 9680 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9681 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9682 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9683 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9684 mResolveActivity.exported = true; 9685 mResolveActivity.enabled = true; 9686 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9687 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9688 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9689 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9690 | ActivityInfo.CONFIG_ORIENTATION 9691 | ActivityInfo.CONFIG_KEYBOARD 9692 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9693 mResolveInfo.activityInfo = mResolveActivity; 9694 mResolveInfo.priority = 0; 9695 mResolveInfo.preferredOrder = 0; 9696 mResolveInfo.match = 0; 9697 mResolveComponentName = new ComponentName( 9698 mAndroidApplication.packageName, mResolveActivity.name); 9699 } 9700 } 9701 } 9702 } 9703 9704 ArrayList<PackageParser.Package> clientLibPkgs = null; 9705 // writer 9706 synchronized (mPackages) { 9707 boolean hasStaticSharedLibs = false; 9708 9709 // Any app can add new static shared libraries 9710 if (pkg.staticSharedLibName != null) { 9711 // Static shared libs don't allow renaming as they have synthetic package 9712 // names to allow install of multiple versions, so use name from manifest. 9713 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9714 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9715 pkg.manifestPackageName, pkg.mVersionCode)) { 9716 hasStaticSharedLibs = true; 9717 } else { 9718 Slog.w(TAG, "Package " + pkg.packageName + " library " 9719 + pkg.staticSharedLibName + " already exists; skipping"); 9720 } 9721 // Static shared libs cannot be updated once installed since they 9722 // use synthetic package name which includes the version code, so 9723 // not need to update other packages's shared lib dependencies. 9724 } 9725 9726 if (!hasStaticSharedLibs 9727 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9728 // Only system apps can add new dynamic shared libraries. 9729 if (pkg.libraryNames != null) { 9730 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9731 String name = pkg.libraryNames.get(i); 9732 boolean allowed = false; 9733 if (pkg.isUpdatedSystemApp()) { 9734 // New library entries can only be added through the 9735 // system image. This is important to get rid of a lot 9736 // of nasty edge cases: for example if we allowed a non- 9737 // system update of the app to add a library, then uninstalling 9738 // the update would make the library go away, and assumptions 9739 // we made such as through app install filtering would now 9740 // have allowed apps on the device which aren't compatible 9741 // with it. Better to just have the restriction here, be 9742 // conservative, and create many fewer cases that can negatively 9743 // impact the user experience. 9744 final PackageSetting sysPs = mSettings 9745 .getDisabledSystemPkgLPr(pkg.packageName); 9746 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9747 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9748 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9749 allowed = true; 9750 break; 9751 } 9752 } 9753 } 9754 } else { 9755 allowed = true; 9756 } 9757 if (allowed) { 9758 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9759 SharedLibraryInfo.VERSION_UNDEFINED, 9760 SharedLibraryInfo.TYPE_DYNAMIC, 9761 pkg.packageName, pkg.mVersionCode)) { 9762 Slog.w(TAG, "Package " + pkg.packageName + " library " 9763 + name + " already exists; skipping"); 9764 } 9765 } else { 9766 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9767 + name + " that is not declared on system image; skipping"); 9768 } 9769 } 9770 9771 if ((scanFlags & SCAN_BOOTING) == 0) { 9772 // If we are not booting, we need to update any applications 9773 // that are clients of our shared library. If we are booting, 9774 // this will all be done once the scan is complete. 9775 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9776 } 9777 } 9778 } 9779 } 9780 9781 if ((scanFlags & SCAN_BOOTING) != 0) { 9782 // No apps can run during boot scan, so they don't need to be frozen 9783 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9784 // Caller asked to not kill app, so it's probably not frozen 9785 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9786 // Caller asked us to ignore frozen check for some reason; they 9787 // probably didn't know the package name 9788 } else { 9789 // We're doing major surgery on this package, so it better be frozen 9790 // right now to keep it from launching 9791 checkPackageFrozen(pkgName); 9792 } 9793 9794 // Also need to kill any apps that are dependent on the library. 9795 if (clientLibPkgs != null) { 9796 for (int i=0; i<clientLibPkgs.size(); i++) { 9797 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9798 killApplication(clientPkg.applicationInfo.packageName, 9799 clientPkg.applicationInfo.uid, "update lib"); 9800 } 9801 } 9802 9803 // writer 9804 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 9805 9806 boolean createIdmapFailed = false; 9807 synchronized (mPackages) { 9808 // We don't expect installation to fail beyond this point 9809 9810 if (pkgSetting.pkg != null) { 9811 // Note that |user| might be null during the initial boot scan. If a codePath 9812 // for an app has changed during a boot scan, it's due to an app update that's 9813 // part of the system partition and marker changes must be applied to all users. 9814 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 9815 final int[] userIds = resolveUserIds(userId); 9816 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 9817 } 9818 9819 // Add the new setting to mSettings 9820 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 9821 // Add the new setting to mPackages 9822 mPackages.put(pkg.applicationInfo.packageName, pkg); 9823 // Make sure we don't accidentally delete its data. 9824 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 9825 while (iter.hasNext()) { 9826 PackageCleanItem item = iter.next(); 9827 if (pkgName.equals(item.packageName)) { 9828 iter.remove(); 9829 } 9830 } 9831 9832 // Add the package's KeySets to the global KeySetManagerService 9833 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9834 ksms.addScannedPackageLPw(pkg); 9835 9836 int N = pkg.providers.size(); 9837 StringBuilder r = null; 9838 int i; 9839 for (i=0; i<N; i++) { 9840 PackageParser.Provider p = pkg.providers.get(i); 9841 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 9842 p.info.processName); 9843 mProviders.addProvider(p); 9844 p.syncable = p.info.isSyncable; 9845 if (p.info.authority != null) { 9846 String names[] = p.info.authority.split(";"); 9847 p.info.authority = null; 9848 for (int j = 0; j < names.length; j++) { 9849 if (j == 1 && p.syncable) { 9850 // We only want the first authority for a provider to possibly be 9851 // syncable, so if we already added this provider using a different 9852 // authority clear the syncable flag. We copy the provider before 9853 // changing it because the mProviders object contains a reference 9854 // to a provider that we don't want to change. 9855 // Only do this for the second authority since the resulting provider 9856 // object can be the same for all future authorities for this provider. 9857 p = new PackageParser.Provider(p); 9858 p.syncable = false; 9859 } 9860 if (!mProvidersByAuthority.containsKey(names[j])) { 9861 mProvidersByAuthority.put(names[j], p); 9862 if (p.info.authority == null) { 9863 p.info.authority = names[j]; 9864 } else { 9865 p.info.authority = p.info.authority + ";" + names[j]; 9866 } 9867 if (DEBUG_PACKAGE_SCANNING) { 9868 if (chatty) 9869 Log.d(TAG, "Registered content provider: " + names[j] 9870 + ", className = " + p.info.name + ", isSyncable = " 9871 + p.info.isSyncable); 9872 } 9873 } else { 9874 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9875 Slog.w(TAG, "Skipping provider name " + names[j] + 9876 " (in package " + pkg.applicationInfo.packageName + 9877 "): name already used by " 9878 + ((other != null && other.getComponentName() != null) 9879 ? other.getComponentName().getPackageName() : "?")); 9880 } 9881 } 9882 } 9883 if (chatty) { 9884 if (r == null) { 9885 r = new StringBuilder(256); 9886 } else { 9887 r.append(' '); 9888 } 9889 r.append(p.info.name); 9890 } 9891 } 9892 if (r != null) { 9893 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 9894 } 9895 9896 N = pkg.services.size(); 9897 r = null; 9898 for (i=0; i<N; i++) { 9899 PackageParser.Service s = pkg.services.get(i); 9900 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 9901 s.info.processName); 9902 mServices.addService(s); 9903 if (chatty) { 9904 if (r == null) { 9905 r = new StringBuilder(256); 9906 } else { 9907 r.append(' '); 9908 } 9909 r.append(s.info.name); 9910 } 9911 } 9912 if (r != null) { 9913 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 9914 } 9915 9916 N = pkg.receivers.size(); 9917 r = null; 9918 for (i=0; i<N; i++) { 9919 PackageParser.Activity a = pkg.receivers.get(i); 9920 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9921 a.info.processName); 9922 mReceivers.addActivity(a, "receiver"); 9923 if (chatty) { 9924 if (r == null) { 9925 r = new StringBuilder(256); 9926 } else { 9927 r.append(' '); 9928 } 9929 r.append(a.info.name); 9930 } 9931 } 9932 if (r != null) { 9933 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 9934 } 9935 9936 N = pkg.activities.size(); 9937 r = null; 9938 for (i=0; i<N; i++) { 9939 PackageParser.Activity a = pkg.activities.get(i); 9940 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 9941 a.info.processName); 9942 mActivities.addActivity(a, "activity"); 9943 if (chatty) { 9944 if (r == null) { 9945 r = new StringBuilder(256); 9946 } else { 9947 r.append(' '); 9948 } 9949 r.append(a.info.name); 9950 } 9951 } 9952 if (r != null) { 9953 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 9954 } 9955 9956 N = pkg.permissionGroups.size(); 9957 r = null; 9958 for (i=0; i<N; i++) { 9959 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 9960 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 9961 final String curPackageName = cur == null ? null : cur.info.packageName; 9962 // Dont allow ephemeral apps to define new permission groups. 9963 if (pkg.applicationInfo.isEphemeralApp()) { 9964 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9965 + pg.info.packageName 9966 + " ignored: ephemeral apps cannot define new permission groups."); 9967 continue; 9968 } 9969 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 9970 if (cur == null || isPackageUpdate) { 9971 mPermissionGroups.put(pg.info.name, pg); 9972 if (chatty) { 9973 if (r == null) { 9974 r = new StringBuilder(256); 9975 } else { 9976 r.append(' '); 9977 } 9978 if (isPackageUpdate) { 9979 r.append("UPD:"); 9980 } 9981 r.append(pg.info.name); 9982 } 9983 } else { 9984 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 9985 + pg.info.packageName + " ignored: original from " 9986 + cur.info.packageName); 9987 if (chatty) { 9988 if (r == null) { 9989 r = new StringBuilder(256); 9990 } else { 9991 r.append(' '); 9992 } 9993 r.append("DUP:"); 9994 r.append(pg.info.name); 9995 } 9996 } 9997 } 9998 if (r != null) { 9999 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10000 } 10001 10002 N = pkg.permissions.size(); 10003 r = null; 10004 for (i=0; i<N; i++) { 10005 PackageParser.Permission p = pkg.permissions.get(i); 10006 10007 // Dont allow ephemeral apps to define new permissions. 10008 if (pkg.applicationInfo.isEphemeralApp()) { 10009 Slog.w(TAG, "Permission " + p.info.name + " from package " 10010 + p.info.packageName 10011 + " ignored: ephemeral apps cannot define new permissions."); 10012 continue; 10013 } 10014 10015 // Assume by default that we did not install this permission into the system. 10016 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10017 10018 // Now that permission groups have a special meaning, we ignore permission 10019 // groups for legacy apps to prevent unexpected behavior. In particular, 10020 // permissions for one app being granted to someone just becase they happen 10021 // to be in a group defined by another app (before this had no implications). 10022 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10023 p.group = mPermissionGroups.get(p.info.group); 10024 // Warn for a permission in an unknown group. 10025 if (p.info.group != null && p.group == null) { 10026 Slog.w(TAG, "Permission " + p.info.name + " from package " 10027 + p.info.packageName + " in an unknown group " + p.info.group); 10028 } 10029 } 10030 10031 ArrayMap<String, BasePermission> permissionMap = 10032 p.tree ? mSettings.mPermissionTrees 10033 : mSettings.mPermissions; 10034 BasePermission bp = permissionMap.get(p.info.name); 10035 10036 // Allow system apps to redefine non-system permissions 10037 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10038 final boolean currentOwnerIsSystem = (bp.perm != null 10039 && isSystemApp(bp.perm.owner)); 10040 if (isSystemApp(p.owner)) { 10041 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10042 // It's a built-in permission and no owner, take ownership now 10043 bp.packageSetting = pkgSetting; 10044 bp.perm = p; 10045 bp.uid = pkg.applicationInfo.uid; 10046 bp.sourcePackage = p.info.packageName; 10047 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10048 } else if (!currentOwnerIsSystem) { 10049 String msg = "New decl " + p.owner + " of permission " 10050 + p.info.name + " is system; overriding " + bp.sourcePackage; 10051 reportSettingsProblem(Log.WARN, msg); 10052 bp = null; 10053 } 10054 } 10055 } 10056 10057 if (bp == null) { 10058 bp = new BasePermission(p.info.name, p.info.packageName, 10059 BasePermission.TYPE_NORMAL); 10060 permissionMap.put(p.info.name, bp); 10061 } 10062 10063 if (bp.perm == null) { 10064 if (bp.sourcePackage == null 10065 || bp.sourcePackage.equals(p.info.packageName)) { 10066 BasePermission tree = findPermissionTreeLP(p.info.name); 10067 if (tree == null 10068 || tree.sourcePackage.equals(p.info.packageName)) { 10069 bp.packageSetting = pkgSetting; 10070 bp.perm = p; 10071 bp.uid = pkg.applicationInfo.uid; 10072 bp.sourcePackage = p.info.packageName; 10073 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10074 if (chatty) { 10075 if (r == null) { 10076 r = new StringBuilder(256); 10077 } else { 10078 r.append(' '); 10079 } 10080 r.append(p.info.name); 10081 } 10082 } else { 10083 Slog.w(TAG, "Permission " + p.info.name + " from package " 10084 + p.info.packageName + " ignored: base tree " 10085 + tree.name + " is from package " 10086 + tree.sourcePackage); 10087 } 10088 } else { 10089 Slog.w(TAG, "Permission " + p.info.name + " from package " 10090 + p.info.packageName + " ignored: original from " 10091 + bp.sourcePackage); 10092 } 10093 } else if (chatty) { 10094 if (r == null) { 10095 r = new StringBuilder(256); 10096 } else { 10097 r.append(' '); 10098 } 10099 r.append("DUP:"); 10100 r.append(p.info.name); 10101 } 10102 if (bp.perm == p) { 10103 bp.protectionLevel = p.info.protectionLevel; 10104 } 10105 } 10106 10107 if (r != null) { 10108 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10109 } 10110 10111 N = pkg.instrumentation.size(); 10112 r = null; 10113 for (i=0; i<N; i++) { 10114 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10115 a.info.packageName = pkg.applicationInfo.packageName; 10116 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10117 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10118 a.info.splitNames = pkg.splitNames; 10119 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10120 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10121 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10122 a.info.dataDir = pkg.applicationInfo.dataDir; 10123 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10124 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10125 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10126 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10127 mInstrumentation.put(a.getComponentName(), a); 10128 if (chatty) { 10129 if (r == null) { 10130 r = new StringBuilder(256); 10131 } else { 10132 r.append(' '); 10133 } 10134 r.append(a.info.name); 10135 } 10136 } 10137 if (r != null) { 10138 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10139 } 10140 10141 if (pkg.protectedBroadcasts != null) { 10142 N = pkg.protectedBroadcasts.size(); 10143 for (i=0; i<N; i++) { 10144 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10145 } 10146 } 10147 10148 // Create idmap files for pairs of (packages, overlay packages). 10149 // Note: "android", ie framework-res.apk, is handled by native layers. 10150 if (pkg.mOverlayTarget != null) { 10151 // This is an overlay package. 10152 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 10153 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 10154 mOverlays.put(pkg.mOverlayTarget, 10155 new ArrayMap<String, PackageParser.Package>()); 10156 } 10157 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 10158 map.put(pkg.packageName, pkg); 10159 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 10160 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 10161 createIdmapFailed = true; 10162 } 10163 } 10164 } else if (mOverlays.containsKey(pkg.packageName) && 10165 !pkg.packageName.equals("android")) { 10166 // This is a regular package, with one or more known overlay packages. 10167 createIdmapsForPackageLI(pkg); 10168 } 10169 } 10170 10171 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10172 10173 if (createIdmapFailed) { 10174 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10175 "scanPackageLI failed to createIdmap"); 10176 } 10177 } 10178 10179 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 10180 PackageParser.Package update, int[] userIds) { 10181 if (existing.applicationInfo == null || update.applicationInfo == null) { 10182 // This isn't due to an app installation. 10183 return; 10184 } 10185 10186 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 10187 final File newCodePath = new File(update.applicationInfo.getCodePath()); 10188 10189 // The codePath hasn't changed, so there's nothing for us to do. 10190 if (Objects.equals(oldCodePath, newCodePath)) { 10191 return; 10192 } 10193 10194 File canonicalNewCodePath; 10195 try { 10196 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 10197 } catch (IOException e) { 10198 Slog.w(TAG, "Failed to get canonical path.", e); 10199 return; 10200 } 10201 10202 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 10203 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 10204 // that the last component of the path (i.e, the name) doesn't need canonicalization 10205 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 10206 // but may change in the future. Hopefully this function won't exist at that point. 10207 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 10208 oldCodePath.getName()); 10209 10210 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 10211 // with "@". 10212 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 10213 if (!oldMarkerPrefix.endsWith("@")) { 10214 oldMarkerPrefix += "@"; 10215 } 10216 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 10217 if (!newMarkerPrefix.endsWith("@")) { 10218 newMarkerPrefix += "@"; 10219 } 10220 10221 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 10222 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 10223 for (String updatedPath : updatedPaths) { 10224 String updatedPathName = new File(updatedPath).getName(); 10225 markerSuffixes.add(updatedPathName.replace('/', '@')); 10226 } 10227 10228 for (int userId : userIds) { 10229 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 10230 10231 for (String markerSuffix : markerSuffixes) { 10232 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 10233 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 10234 if (oldForeignUseMark.exists()) { 10235 try { 10236 Os.rename(oldForeignUseMark.getAbsolutePath(), 10237 newForeignUseMark.getAbsolutePath()); 10238 } catch (ErrnoException e) { 10239 Slog.w(TAG, "Failed to rename foreign use marker", e); 10240 oldForeignUseMark.delete(); 10241 } 10242 } 10243 } 10244 } 10245 } 10246 10247 /** 10248 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10249 * is derived purely on the basis of the contents of {@code scanFile} and 10250 * {@code cpuAbiOverride}. 10251 * 10252 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10253 */ 10254 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10255 String cpuAbiOverride, boolean extractLibs, 10256 File appLib32InstallDir) 10257 throws PackageManagerException { 10258 // Give ourselves some initial paths; we'll come back for another 10259 // pass once we've determined ABI below. 10260 setNativeLibraryPaths(pkg, appLib32InstallDir); 10261 10262 // We would never need to extract libs for forward-locked and external packages, 10263 // since the container service will do it for us. We shouldn't attempt to 10264 // extract libs from system app when it was not updated. 10265 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10266 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10267 extractLibs = false; 10268 } 10269 10270 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10271 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10272 10273 NativeLibraryHelper.Handle handle = null; 10274 try { 10275 handle = NativeLibraryHelper.Handle.create(pkg); 10276 // TODO(multiArch): This can be null for apps that didn't go through the 10277 // usual installation process. We can calculate it again, like we 10278 // do during install time. 10279 // 10280 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10281 // unnecessary. 10282 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10283 10284 // Null out the abis so that they can be recalculated. 10285 pkg.applicationInfo.primaryCpuAbi = null; 10286 pkg.applicationInfo.secondaryCpuAbi = null; 10287 if (isMultiArch(pkg.applicationInfo)) { 10288 // Warn if we've set an abiOverride for multi-lib packages.. 10289 // By definition, we need to copy both 32 and 64 bit libraries for 10290 // such packages. 10291 if (pkg.cpuAbiOverride != null 10292 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10293 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10294 } 10295 10296 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10297 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10298 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10299 if (extractLibs) { 10300 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10301 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10302 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10303 useIsaSpecificSubdirs); 10304 } else { 10305 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10306 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10307 } 10308 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10309 } 10310 10311 maybeThrowExceptionForMultiArchCopy( 10312 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10313 10314 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10315 if (extractLibs) { 10316 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10317 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10318 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10319 useIsaSpecificSubdirs); 10320 } else { 10321 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10322 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10323 } 10324 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10325 } 10326 10327 maybeThrowExceptionForMultiArchCopy( 10328 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10329 10330 if (abi64 >= 0) { 10331 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10332 } 10333 10334 if (abi32 >= 0) { 10335 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10336 if (abi64 >= 0) { 10337 if (pkg.use32bitAbi) { 10338 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10339 pkg.applicationInfo.primaryCpuAbi = abi; 10340 } else { 10341 pkg.applicationInfo.secondaryCpuAbi = abi; 10342 } 10343 } else { 10344 pkg.applicationInfo.primaryCpuAbi = abi; 10345 } 10346 } 10347 10348 } else { 10349 String[] abiList = (cpuAbiOverride != null) ? 10350 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10351 10352 // Enable gross and lame hacks for apps that are built with old 10353 // SDK tools. We must scan their APKs for renderscript bitcode and 10354 // not launch them if it's present. Don't bother checking on devices 10355 // that don't have 64 bit support. 10356 boolean needsRenderScriptOverride = false; 10357 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10358 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10359 abiList = Build.SUPPORTED_32_BIT_ABIS; 10360 needsRenderScriptOverride = true; 10361 } 10362 10363 final int copyRet; 10364 if (extractLibs) { 10365 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10366 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10367 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10368 } else { 10369 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10370 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10371 } 10372 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10373 10374 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10375 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10376 "Error unpackaging native libs for app, errorCode=" + copyRet); 10377 } 10378 10379 if (copyRet >= 0) { 10380 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10381 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10382 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10383 } else if (needsRenderScriptOverride) { 10384 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10385 } 10386 } 10387 } catch (IOException ioe) { 10388 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10389 } finally { 10390 IoUtils.closeQuietly(handle); 10391 } 10392 10393 // Now that we've calculated the ABIs and determined if it's an internal app, 10394 // we will go ahead and populate the nativeLibraryPath. 10395 setNativeLibraryPaths(pkg, appLib32InstallDir); 10396 } 10397 10398 /** 10399 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10400 * i.e, so that all packages can be run inside a single process if required. 10401 * 10402 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10403 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10404 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10405 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10406 * updating a package that belongs to a shared user. 10407 * 10408 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10409 * adds unnecessary complexity. 10410 */ 10411 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10412 PackageParser.Package scannedPackage) { 10413 String requiredInstructionSet = null; 10414 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10415 requiredInstructionSet = VMRuntime.getInstructionSet( 10416 scannedPackage.applicationInfo.primaryCpuAbi); 10417 } 10418 10419 PackageSetting requirer = null; 10420 for (PackageSetting ps : packagesForUser) { 10421 // If packagesForUser contains scannedPackage, we skip it. This will happen 10422 // when scannedPackage is an update of an existing package. Without this check, 10423 // we will never be able to change the ABI of any package belonging to a shared 10424 // user, even if it's compatible with other packages. 10425 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10426 if (ps.primaryCpuAbiString == null) { 10427 continue; 10428 } 10429 10430 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10431 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10432 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10433 // this but there's not much we can do. 10434 String errorMessage = "Instruction set mismatch, " 10435 + ((requirer == null) ? "[caller]" : requirer) 10436 + " requires " + requiredInstructionSet + " whereas " + ps 10437 + " requires " + instructionSet; 10438 Slog.w(TAG, errorMessage); 10439 } 10440 10441 if (requiredInstructionSet == null) { 10442 requiredInstructionSet = instructionSet; 10443 requirer = ps; 10444 } 10445 } 10446 } 10447 10448 if (requiredInstructionSet != null) { 10449 String adjustedAbi; 10450 if (requirer != null) { 10451 // requirer != null implies that either scannedPackage was null or that scannedPackage 10452 // did not require an ABI, in which case we have to adjust scannedPackage to match 10453 // the ABI of the set (which is the same as requirer's ABI) 10454 adjustedAbi = requirer.primaryCpuAbiString; 10455 if (scannedPackage != null) { 10456 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10457 } 10458 } else { 10459 // requirer == null implies that we're updating all ABIs in the set to 10460 // match scannedPackage. 10461 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10462 } 10463 10464 for (PackageSetting ps : packagesForUser) { 10465 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10466 if (ps.primaryCpuAbiString != null) { 10467 continue; 10468 } 10469 10470 ps.primaryCpuAbiString = adjustedAbi; 10471 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10472 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10473 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10474 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10475 + " (requirer=" 10476 + (requirer == null ? "null" : requirer.pkg.packageName) 10477 + ", scannedPackage=" 10478 + (scannedPackage != null ? scannedPackage.packageName : "null") 10479 + ")"); 10480 try { 10481 mInstaller.rmdex(ps.codePathString, 10482 getDexCodeInstructionSet(getPreferredInstructionSet())); 10483 } catch (InstallerException ignored) { 10484 } 10485 } 10486 } 10487 } 10488 } 10489 } 10490 10491 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10492 synchronized (mPackages) { 10493 mResolverReplaced = true; 10494 // Set up information for custom user intent resolution activity. 10495 mResolveActivity.applicationInfo = pkg.applicationInfo; 10496 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10497 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10498 mResolveActivity.processName = pkg.applicationInfo.packageName; 10499 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10500 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10501 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10502 mResolveActivity.theme = 0; 10503 mResolveActivity.exported = true; 10504 mResolveActivity.enabled = true; 10505 mResolveInfo.activityInfo = mResolveActivity; 10506 mResolveInfo.priority = 0; 10507 mResolveInfo.preferredOrder = 0; 10508 mResolveInfo.match = 0; 10509 mResolveComponentName = mCustomResolverComponentName; 10510 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10511 mResolveComponentName); 10512 } 10513 } 10514 10515 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 10516 if (installerComponent == null) { 10517 if (DEBUG_EPHEMERAL) { 10518 Slog.d(TAG, "Clear ephemeral installer activity"); 10519 } 10520 mEphemeralInstallerActivity.applicationInfo = null; 10521 return; 10522 } 10523 10524 if (DEBUG_EPHEMERAL) { 10525 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10526 } 10527 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10528 // Set up information for ephemeral installer activity 10529 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 10530 mEphemeralInstallerActivity.name = installerComponent.getClassName(); 10531 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 10532 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 10533 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10534 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10535 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10536 mEphemeralInstallerActivity.theme = 0; 10537 mEphemeralInstallerActivity.exported = true; 10538 mEphemeralInstallerActivity.enabled = true; 10539 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 10540 mEphemeralInstallerInfo.priority = 0; 10541 mEphemeralInstallerInfo.preferredOrder = 1; 10542 mEphemeralInstallerInfo.isDefault = true; 10543 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10544 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10545 } 10546 10547 private static String calculateBundledApkRoot(final String codePathString) { 10548 final File codePath = new File(codePathString); 10549 final File codeRoot; 10550 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10551 codeRoot = Environment.getRootDirectory(); 10552 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10553 codeRoot = Environment.getOemDirectory(); 10554 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10555 codeRoot = Environment.getVendorDirectory(); 10556 } else { 10557 // Unrecognized code path; take its top real segment as the apk root: 10558 // e.g. /something/app/blah.apk => /something 10559 try { 10560 File f = codePath.getCanonicalFile(); 10561 File parent = f.getParentFile(); // non-null because codePath is a file 10562 File tmp; 10563 while ((tmp = parent.getParentFile()) != null) { 10564 f = parent; 10565 parent = tmp; 10566 } 10567 codeRoot = f; 10568 Slog.w(TAG, "Unrecognized code path " 10569 + codePath + " - using " + codeRoot); 10570 } catch (IOException e) { 10571 // Can't canonicalize the code path -- shenanigans? 10572 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10573 return Environment.getRootDirectory().getPath(); 10574 } 10575 } 10576 return codeRoot.getPath(); 10577 } 10578 10579 /** 10580 * Derive and set the location of native libraries for the given package, 10581 * which varies depending on where and how the package was installed. 10582 */ 10583 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10584 final ApplicationInfo info = pkg.applicationInfo; 10585 final String codePath = pkg.codePath; 10586 final File codeFile = new File(codePath); 10587 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10588 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10589 10590 info.nativeLibraryRootDir = null; 10591 info.nativeLibraryRootRequiresIsa = false; 10592 info.nativeLibraryDir = null; 10593 info.secondaryNativeLibraryDir = null; 10594 10595 if (isApkFile(codeFile)) { 10596 // Monolithic install 10597 if (bundledApp) { 10598 // If "/system/lib64/apkname" exists, assume that is the per-package 10599 // native library directory to use; otherwise use "/system/lib/apkname". 10600 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10601 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10602 getPrimaryInstructionSet(info)); 10603 10604 // This is a bundled system app so choose the path based on the ABI. 10605 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10606 // is just the default path. 10607 final String apkName = deriveCodePathName(codePath); 10608 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10609 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10610 apkName).getAbsolutePath(); 10611 10612 if (info.secondaryCpuAbi != null) { 10613 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10614 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10615 secondaryLibDir, apkName).getAbsolutePath(); 10616 } 10617 } else if (asecApp) { 10618 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10619 .getAbsolutePath(); 10620 } else { 10621 final String apkName = deriveCodePathName(codePath); 10622 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10623 .getAbsolutePath(); 10624 } 10625 10626 info.nativeLibraryRootRequiresIsa = false; 10627 info.nativeLibraryDir = info.nativeLibraryRootDir; 10628 } else { 10629 // Cluster install 10630 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10631 info.nativeLibraryRootRequiresIsa = true; 10632 10633 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10634 getPrimaryInstructionSet(info)).getAbsolutePath(); 10635 10636 if (info.secondaryCpuAbi != null) { 10637 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10638 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10639 } 10640 } 10641 } 10642 10643 /** 10644 * Calculate the abis and roots for a bundled app. These can uniquely 10645 * be determined from the contents of the system partition, i.e whether 10646 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10647 * of this information, and instead assume that the system was built 10648 * sensibly. 10649 */ 10650 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10651 PackageSetting pkgSetting) { 10652 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10653 10654 // If "/system/lib64/apkname" exists, assume that is the per-package 10655 // native library directory to use; otherwise use "/system/lib/apkname". 10656 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10657 setBundledAppAbi(pkg, apkRoot, apkName); 10658 // pkgSetting might be null during rescan following uninstall of updates 10659 // to a bundled app, so accommodate that possibility. The settings in 10660 // that case will be established later from the parsed package. 10661 // 10662 // If the settings aren't null, sync them up with what we've just derived. 10663 // note that apkRoot isn't stored in the package settings. 10664 if (pkgSetting != null) { 10665 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10666 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10667 } 10668 } 10669 10670 /** 10671 * Deduces the ABI of a bundled app and sets the relevant fields on the 10672 * parsed pkg object. 10673 * 10674 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10675 * under which system libraries are installed. 10676 * @param apkName the name of the installed package. 10677 */ 10678 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10679 final File codeFile = new File(pkg.codePath); 10680 10681 final boolean has64BitLibs; 10682 final boolean has32BitLibs; 10683 if (isApkFile(codeFile)) { 10684 // Monolithic install 10685 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10686 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10687 } else { 10688 // Cluster install 10689 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10690 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10691 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10692 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10693 has64BitLibs = (new File(rootDir, isa)).exists(); 10694 } else { 10695 has64BitLibs = false; 10696 } 10697 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10698 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10699 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10700 has32BitLibs = (new File(rootDir, isa)).exists(); 10701 } else { 10702 has32BitLibs = false; 10703 } 10704 } 10705 10706 if (has64BitLibs && !has32BitLibs) { 10707 // The package has 64 bit libs, but not 32 bit libs. Its primary 10708 // ABI should be 64 bit. We can safely assume here that the bundled 10709 // native libraries correspond to the most preferred ABI in the list. 10710 10711 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10712 pkg.applicationInfo.secondaryCpuAbi = null; 10713 } else if (has32BitLibs && !has64BitLibs) { 10714 // The package has 32 bit libs but not 64 bit libs. Its primary 10715 // ABI should be 32 bit. 10716 10717 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10718 pkg.applicationInfo.secondaryCpuAbi = null; 10719 } else if (has32BitLibs && has64BitLibs) { 10720 // The application has both 64 and 32 bit bundled libraries. We check 10721 // here that the app declares multiArch support, and warn if it doesn't. 10722 // 10723 // We will be lenient here and record both ABIs. The primary will be the 10724 // ABI that's higher on the list, i.e, a device that's configured to prefer 10725 // 64 bit apps will see a 64 bit primary ABI, 10726 10727 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10728 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10729 } 10730 10731 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10732 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10733 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10734 } else { 10735 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10736 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10737 } 10738 } else { 10739 pkg.applicationInfo.primaryCpuAbi = null; 10740 pkg.applicationInfo.secondaryCpuAbi = null; 10741 } 10742 } 10743 10744 private void killApplication(String pkgName, int appId, String reason) { 10745 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10746 } 10747 10748 private void killApplication(String pkgName, int appId, int userId, String reason) { 10749 // Request the ActivityManager to kill the process(only for existing packages) 10750 // so that we do not end up in a confused state while the user is still using the older 10751 // version of the application while the new one gets installed. 10752 final long token = Binder.clearCallingIdentity(); 10753 try { 10754 IActivityManager am = ActivityManager.getService(); 10755 if (am != null) { 10756 try { 10757 am.killApplication(pkgName, appId, userId, reason); 10758 } catch (RemoteException e) { 10759 } 10760 } 10761 } finally { 10762 Binder.restoreCallingIdentity(token); 10763 } 10764 } 10765 10766 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10767 // Remove the parent package setting 10768 PackageSetting ps = (PackageSetting) pkg.mExtras; 10769 if (ps != null) { 10770 removePackageLI(ps, chatty); 10771 } 10772 // Remove the child package setting 10773 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10774 for (int i = 0; i < childCount; i++) { 10775 PackageParser.Package childPkg = pkg.childPackages.get(i); 10776 ps = (PackageSetting) childPkg.mExtras; 10777 if (ps != null) { 10778 removePackageLI(ps, chatty); 10779 } 10780 } 10781 } 10782 10783 void removePackageLI(PackageSetting ps, boolean chatty) { 10784 if (DEBUG_INSTALL) { 10785 if (chatty) 10786 Log.d(TAG, "Removing package " + ps.name); 10787 } 10788 10789 // writer 10790 synchronized (mPackages) { 10791 mPackages.remove(ps.name); 10792 final PackageParser.Package pkg = ps.pkg; 10793 if (pkg != null) { 10794 cleanPackageDataStructuresLILPw(pkg, chatty); 10795 } 10796 } 10797 } 10798 10799 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10800 if (DEBUG_INSTALL) { 10801 if (chatty) 10802 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10803 } 10804 10805 // writer 10806 synchronized (mPackages) { 10807 // Remove the parent package 10808 mPackages.remove(pkg.applicationInfo.packageName); 10809 cleanPackageDataStructuresLILPw(pkg, chatty); 10810 10811 // Remove the child packages 10812 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10813 for (int i = 0; i < childCount; i++) { 10814 PackageParser.Package childPkg = pkg.childPackages.get(i); 10815 mPackages.remove(childPkg.applicationInfo.packageName); 10816 cleanPackageDataStructuresLILPw(childPkg, chatty); 10817 } 10818 } 10819 } 10820 10821 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10822 int N = pkg.providers.size(); 10823 StringBuilder r = null; 10824 int i; 10825 for (i=0; i<N; i++) { 10826 PackageParser.Provider p = pkg.providers.get(i); 10827 mProviders.removeProvider(p); 10828 if (p.info.authority == null) { 10829 10830 /* There was another ContentProvider with this authority when 10831 * this app was installed so this authority is null, 10832 * Ignore it as we don't have to unregister the provider. 10833 */ 10834 continue; 10835 } 10836 String names[] = p.info.authority.split(";"); 10837 for (int j = 0; j < names.length; j++) { 10838 if (mProvidersByAuthority.get(names[j]) == p) { 10839 mProvidersByAuthority.remove(names[j]); 10840 if (DEBUG_REMOVE) { 10841 if (chatty) 10842 Log.d(TAG, "Unregistered content provider: " + names[j] 10843 + ", className = " + p.info.name + ", isSyncable = " 10844 + p.info.isSyncable); 10845 } 10846 } 10847 } 10848 if (DEBUG_REMOVE && chatty) { 10849 if (r == null) { 10850 r = new StringBuilder(256); 10851 } else { 10852 r.append(' '); 10853 } 10854 r.append(p.info.name); 10855 } 10856 } 10857 if (r != null) { 10858 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10859 } 10860 10861 N = pkg.services.size(); 10862 r = null; 10863 for (i=0; i<N; i++) { 10864 PackageParser.Service s = pkg.services.get(i); 10865 mServices.removeService(s); 10866 if (chatty) { 10867 if (r == null) { 10868 r = new StringBuilder(256); 10869 } else { 10870 r.append(' '); 10871 } 10872 r.append(s.info.name); 10873 } 10874 } 10875 if (r != null) { 10876 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10877 } 10878 10879 N = pkg.receivers.size(); 10880 r = null; 10881 for (i=0; i<N; i++) { 10882 PackageParser.Activity a = pkg.receivers.get(i); 10883 mReceivers.removeActivity(a, "receiver"); 10884 if (DEBUG_REMOVE && chatty) { 10885 if (r == null) { 10886 r = new StringBuilder(256); 10887 } else { 10888 r.append(' '); 10889 } 10890 r.append(a.info.name); 10891 } 10892 } 10893 if (r != null) { 10894 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 10895 } 10896 10897 N = pkg.activities.size(); 10898 r = null; 10899 for (i=0; i<N; i++) { 10900 PackageParser.Activity a = pkg.activities.get(i); 10901 mActivities.removeActivity(a, "activity"); 10902 if (DEBUG_REMOVE && chatty) { 10903 if (r == null) { 10904 r = new StringBuilder(256); 10905 } else { 10906 r.append(' '); 10907 } 10908 r.append(a.info.name); 10909 } 10910 } 10911 if (r != null) { 10912 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 10913 } 10914 10915 N = pkg.permissions.size(); 10916 r = null; 10917 for (i=0; i<N; i++) { 10918 PackageParser.Permission p = pkg.permissions.get(i); 10919 BasePermission bp = mSettings.mPermissions.get(p.info.name); 10920 if (bp == null) { 10921 bp = mSettings.mPermissionTrees.get(p.info.name); 10922 } 10923 if (bp != null && bp.perm == p) { 10924 bp.perm = null; 10925 if (DEBUG_REMOVE && chatty) { 10926 if (r == null) { 10927 r = new StringBuilder(256); 10928 } else { 10929 r.append(' '); 10930 } 10931 r.append(p.info.name); 10932 } 10933 } 10934 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10935 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 10936 if (appOpPkgs != null) { 10937 appOpPkgs.remove(pkg.packageName); 10938 } 10939 } 10940 } 10941 if (r != null) { 10942 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10943 } 10944 10945 N = pkg.requestedPermissions.size(); 10946 r = null; 10947 for (i=0; i<N; i++) { 10948 String perm = pkg.requestedPermissions.get(i); 10949 BasePermission bp = mSettings.mPermissions.get(perm); 10950 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10951 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 10952 if (appOpPkgs != null) { 10953 appOpPkgs.remove(pkg.packageName); 10954 if (appOpPkgs.isEmpty()) { 10955 mAppOpPermissionPackages.remove(perm); 10956 } 10957 } 10958 } 10959 } 10960 if (r != null) { 10961 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 10962 } 10963 10964 N = pkg.instrumentation.size(); 10965 r = null; 10966 for (i=0; i<N; i++) { 10967 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10968 mInstrumentation.remove(a.getComponentName()); 10969 if (DEBUG_REMOVE && chatty) { 10970 if (r == null) { 10971 r = new StringBuilder(256); 10972 } else { 10973 r.append(' '); 10974 } 10975 r.append(a.info.name); 10976 } 10977 } 10978 if (r != null) { 10979 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 10980 } 10981 10982 r = null; 10983 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 10984 // Only system apps can hold shared libraries. 10985 if (pkg.libraryNames != null) { 10986 for (i = 0; i < pkg.libraryNames.size(); i++) { 10987 String name = pkg.libraryNames.get(i); 10988 if (removeSharedLibraryLPw(name, 0)) { 10989 if (DEBUG_REMOVE && chatty) { 10990 if (r == null) { 10991 r = new StringBuilder(256); 10992 } else { 10993 r.append(' '); 10994 } 10995 r.append(name); 10996 } 10997 } 10998 } 10999 } 11000 } 11001 11002 r = null; 11003 11004 // Any package can hold static shared libraries. 11005 if (pkg.staticSharedLibName != null) { 11006 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11007 if (DEBUG_REMOVE && chatty) { 11008 if (r == null) { 11009 r = new StringBuilder(256); 11010 } else { 11011 r.append(' '); 11012 } 11013 r.append(pkg.staticSharedLibName); 11014 } 11015 } 11016 } 11017 11018 if (r != null) { 11019 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11020 } 11021 } 11022 11023 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11024 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11025 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11026 return true; 11027 } 11028 } 11029 return false; 11030 } 11031 11032 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11033 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11034 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11035 11036 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11037 // Update the parent permissions 11038 updatePermissionsLPw(pkg.packageName, pkg, flags); 11039 // Update the child permissions 11040 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11041 for (int i = 0; i < childCount; i++) { 11042 PackageParser.Package childPkg = pkg.childPackages.get(i); 11043 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11044 } 11045 } 11046 11047 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11048 int flags) { 11049 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11050 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11051 } 11052 11053 private void updatePermissionsLPw(String changingPkg, 11054 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11055 // Make sure there are no dangling permission trees. 11056 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11057 while (it.hasNext()) { 11058 final BasePermission bp = it.next(); 11059 if (bp.packageSetting == null) { 11060 // We may not yet have parsed the package, so just see if 11061 // we still know about its settings. 11062 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11063 } 11064 if (bp.packageSetting == null) { 11065 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11066 + " from package " + bp.sourcePackage); 11067 it.remove(); 11068 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11069 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11070 Slog.i(TAG, "Removing old permission tree: " + bp.name 11071 + " from package " + bp.sourcePackage); 11072 flags |= UPDATE_PERMISSIONS_ALL; 11073 it.remove(); 11074 } 11075 } 11076 } 11077 11078 // Make sure all dynamic permissions have been assigned to a package, 11079 // and make sure there are no dangling permissions. 11080 it = mSettings.mPermissions.values().iterator(); 11081 while (it.hasNext()) { 11082 final BasePermission bp = it.next(); 11083 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11084 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11085 + bp.name + " pkg=" + bp.sourcePackage 11086 + " info=" + bp.pendingInfo); 11087 if (bp.packageSetting == null && bp.pendingInfo != null) { 11088 final BasePermission tree = findPermissionTreeLP(bp.name); 11089 if (tree != null && tree.perm != null) { 11090 bp.packageSetting = tree.packageSetting; 11091 bp.perm = new PackageParser.Permission(tree.perm.owner, 11092 new PermissionInfo(bp.pendingInfo)); 11093 bp.perm.info.packageName = tree.perm.info.packageName; 11094 bp.perm.info.name = bp.name; 11095 bp.uid = tree.uid; 11096 } 11097 } 11098 } 11099 if (bp.packageSetting == null) { 11100 // We may not yet have parsed the package, so just see if 11101 // we still know about its settings. 11102 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11103 } 11104 if (bp.packageSetting == null) { 11105 Slog.w(TAG, "Removing dangling permission: " + bp.name 11106 + " from package " + bp.sourcePackage); 11107 it.remove(); 11108 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11109 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11110 Slog.i(TAG, "Removing old permission: " + bp.name 11111 + " from package " + bp.sourcePackage); 11112 flags |= UPDATE_PERMISSIONS_ALL; 11113 it.remove(); 11114 } 11115 } 11116 } 11117 11118 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11119 // Now update the permissions for all packages, in particular 11120 // replace the granted permissions of the system packages. 11121 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11122 for (PackageParser.Package pkg : mPackages.values()) { 11123 if (pkg != pkgInfo) { 11124 // Only replace for packages on requested volume 11125 final String volumeUuid = getVolumeUuidForPackage(pkg); 11126 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11127 && Objects.equals(replaceVolumeUuid, volumeUuid); 11128 grantPermissionsLPw(pkg, replace, changingPkg); 11129 } 11130 } 11131 } 11132 11133 if (pkgInfo != null) { 11134 // Only replace for packages on requested volume 11135 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11136 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11137 && Objects.equals(replaceVolumeUuid, volumeUuid); 11138 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11139 } 11140 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11141 } 11142 11143 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11144 String packageOfInterest) { 11145 // IMPORTANT: There are two types of permissions: install and runtime. 11146 // Install time permissions are granted when the app is installed to 11147 // all device users and users added in the future. Runtime permissions 11148 // are granted at runtime explicitly to specific users. Normal and signature 11149 // protected permissions are install time permissions. Dangerous permissions 11150 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11151 // otherwise they are runtime permissions. This function does not manage 11152 // runtime permissions except for the case an app targeting Lollipop MR1 11153 // being upgraded to target a newer SDK, in which case dangerous permissions 11154 // are transformed from install time to runtime ones. 11155 11156 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11157 if (ps == null) { 11158 return; 11159 } 11160 11161 PermissionsState permissionsState = ps.getPermissionsState(); 11162 PermissionsState origPermissions = permissionsState; 11163 11164 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11165 11166 boolean runtimePermissionsRevoked = false; 11167 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11168 11169 boolean changedInstallPermission = false; 11170 11171 if (replace) { 11172 ps.installPermissionsFixed = false; 11173 if (!ps.isSharedUser()) { 11174 origPermissions = new PermissionsState(permissionsState); 11175 permissionsState.reset(); 11176 } else { 11177 // We need to know only about runtime permission changes since the 11178 // calling code always writes the install permissions state but 11179 // the runtime ones are written only if changed. The only cases of 11180 // changed runtime permissions here are promotion of an install to 11181 // runtime and revocation of a runtime from a shared user. 11182 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11183 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11184 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11185 runtimePermissionsRevoked = true; 11186 } 11187 } 11188 } 11189 11190 permissionsState.setGlobalGids(mGlobalGids); 11191 11192 final int N = pkg.requestedPermissions.size(); 11193 for (int i=0; i<N; i++) { 11194 final String name = pkg.requestedPermissions.get(i); 11195 final BasePermission bp = mSettings.mPermissions.get(name); 11196 11197 if (DEBUG_INSTALL) { 11198 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11199 } 11200 11201 if (bp == null || bp.packageSetting == null) { 11202 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11203 Slog.w(TAG, "Unknown permission " + name 11204 + " in package " + pkg.packageName); 11205 } 11206 continue; 11207 } 11208 11209 11210 // Limit ephemeral apps to ephemeral allowed permissions. 11211 if (pkg.applicationInfo.isEphemeralApp() && !bp.isEphemeral()) { 11212 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11213 + pkg.packageName); 11214 continue; 11215 } 11216 11217 final String perm = bp.name; 11218 boolean allowedSig = false; 11219 int grant = GRANT_DENIED; 11220 11221 // Keep track of app op permissions. 11222 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11223 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11224 if (pkgs == null) { 11225 pkgs = new ArraySet<>(); 11226 mAppOpPermissionPackages.put(bp.name, pkgs); 11227 } 11228 pkgs.add(pkg.packageName); 11229 } 11230 11231 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11232 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11233 >= Build.VERSION_CODES.M; 11234 switch (level) { 11235 case PermissionInfo.PROTECTION_NORMAL: { 11236 // For all apps normal permissions are install time ones. 11237 grant = GRANT_INSTALL; 11238 } break; 11239 11240 case PermissionInfo.PROTECTION_DANGEROUS: { 11241 // If a permission review is required for legacy apps we represent 11242 // their permissions as always granted runtime ones since we need 11243 // to keep the review required permission flag per user while an 11244 // install permission's state is shared across all users. 11245 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11246 // For legacy apps dangerous permissions are install time ones. 11247 grant = GRANT_INSTALL; 11248 } else if (origPermissions.hasInstallPermission(bp.name)) { 11249 // For legacy apps that became modern, install becomes runtime. 11250 grant = GRANT_UPGRADE; 11251 } else if (mPromoteSystemApps 11252 && isSystemApp(ps) 11253 && mExistingSystemPackages.contains(ps.name)) { 11254 // For legacy system apps, install becomes runtime. 11255 // We cannot check hasInstallPermission() for system apps since those 11256 // permissions were granted implicitly and not persisted pre-M. 11257 grant = GRANT_UPGRADE; 11258 } else { 11259 // For modern apps keep runtime permissions unchanged. 11260 grant = GRANT_RUNTIME; 11261 } 11262 } break; 11263 11264 case PermissionInfo.PROTECTION_SIGNATURE: { 11265 // For all apps signature permissions are install time ones. 11266 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11267 if (allowedSig) { 11268 grant = GRANT_INSTALL; 11269 } 11270 } break; 11271 } 11272 11273 if (DEBUG_INSTALL) { 11274 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11275 } 11276 11277 if (grant != GRANT_DENIED) { 11278 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11279 // If this is an existing, non-system package, then 11280 // we can't add any new permissions to it. 11281 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11282 // Except... if this is a permission that was added 11283 // to the platform (note: need to only do this when 11284 // updating the platform). 11285 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11286 grant = GRANT_DENIED; 11287 } 11288 } 11289 } 11290 11291 switch (grant) { 11292 case GRANT_INSTALL: { 11293 // Revoke this as runtime permission to handle the case of 11294 // a runtime permission being downgraded to an install one. 11295 // Also in permission review mode we keep dangerous permissions 11296 // for legacy apps 11297 for (int userId : UserManagerService.getInstance().getUserIds()) { 11298 if (origPermissions.getRuntimePermissionState( 11299 bp.name, userId) != null) { 11300 // Revoke the runtime permission and clear the flags. 11301 origPermissions.revokeRuntimePermission(bp, userId); 11302 origPermissions.updatePermissionFlags(bp, userId, 11303 PackageManager.MASK_PERMISSION_FLAGS, 0); 11304 // If we revoked a permission permission, we have to write. 11305 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11306 changedRuntimePermissionUserIds, userId); 11307 } 11308 } 11309 // Grant an install permission. 11310 if (permissionsState.grantInstallPermission(bp) != 11311 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11312 changedInstallPermission = true; 11313 } 11314 } break; 11315 11316 case GRANT_RUNTIME: { 11317 // Grant previously granted runtime permissions. 11318 for (int userId : UserManagerService.getInstance().getUserIds()) { 11319 PermissionState permissionState = origPermissions 11320 .getRuntimePermissionState(bp.name, userId); 11321 int flags = permissionState != null 11322 ? permissionState.getFlags() : 0; 11323 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11324 // Don't propagate the permission in a permission review mode if 11325 // the former was revoked, i.e. marked to not propagate on upgrade. 11326 // Note that in a permission review mode install permissions are 11327 // represented as constantly granted runtime ones since we need to 11328 // keep a per user state associated with the permission. Also the 11329 // revoke on upgrade flag is no longer applicable and is reset. 11330 final boolean revokeOnUpgrade = (flags & PackageManager 11331 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11332 if (revokeOnUpgrade) { 11333 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11334 // Since we changed the flags, we have to write. 11335 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11336 changedRuntimePermissionUserIds, userId); 11337 } 11338 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11339 if (permissionsState.grantRuntimePermission(bp, userId) == 11340 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11341 // If we cannot put the permission as it was, 11342 // we have to write. 11343 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11344 changedRuntimePermissionUserIds, userId); 11345 } 11346 } 11347 11348 // If the app supports runtime permissions no need for a review. 11349 if (mPermissionReviewRequired 11350 && appSupportsRuntimePermissions 11351 && (flags & PackageManager 11352 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11353 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11354 // Since we changed the flags, we have to write. 11355 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11356 changedRuntimePermissionUserIds, userId); 11357 } 11358 } else if (mPermissionReviewRequired 11359 && !appSupportsRuntimePermissions) { 11360 // For legacy apps that need a permission review, every new 11361 // runtime permission is granted but it is pending a review. 11362 // We also need to review only platform defined runtime 11363 // permissions as these are the only ones the platform knows 11364 // how to disable the API to simulate revocation as legacy 11365 // apps don't expect to run with revoked permissions. 11366 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11367 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11368 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11369 // We changed the flags, hence have to write. 11370 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11371 changedRuntimePermissionUserIds, userId); 11372 } 11373 } 11374 if (permissionsState.grantRuntimePermission(bp, userId) 11375 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11376 // We changed the permission, hence have to write. 11377 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11378 changedRuntimePermissionUserIds, userId); 11379 } 11380 } 11381 // Propagate the permission flags. 11382 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11383 } 11384 } break; 11385 11386 case GRANT_UPGRADE: { 11387 // Grant runtime permissions for a previously held install permission. 11388 PermissionState permissionState = origPermissions 11389 .getInstallPermissionState(bp.name); 11390 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11391 11392 if (origPermissions.revokeInstallPermission(bp) 11393 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11394 // We will be transferring the permission flags, so clear them. 11395 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11396 PackageManager.MASK_PERMISSION_FLAGS, 0); 11397 changedInstallPermission = true; 11398 } 11399 11400 // If the permission is not to be promoted to runtime we ignore it and 11401 // also its other flags as they are not applicable to install permissions. 11402 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11403 for (int userId : currentUserIds) { 11404 if (permissionsState.grantRuntimePermission(bp, userId) != 11405 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11406 // Transfer the permission flags. 11407 permissionsState.updatePermissionFlags(bp, userId, 11408 flags, flags); 11409 // If we granted the permission, we have to write. 11410 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11411 changedRuntimePermissionUserIds, userId); 11412 } 11413 } 11414 } 11415 } break; 11416 11417 default: { 11418 if (packageOfInterest == null 11419 || packageOfInterest.equals(pkg.packageName)) { 11420 Slog.w(TAG, "Not granting permission " + perm 11421 + " to package " + pkg.packageName 11422 + " because it was previously installed without"); 11423 } 11424 } break; 11425 } 11426 } else { 11427 if (permissionsState.revokeInstallPermission(bp) != 11428 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11429 // Also drop the permission flags. 11430 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11431 PackageManager.MASK_PERMISSION_FLAGS, 0); 11432 changedInstallPermission = true; 11433 Slog.i(TAG, "Un-granting permission " + perm 11434 + " from package " + pkg.packageName 11435 + " (protectionLevel=" + bp.protectionLevel 11436 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11437 + ")"); 11438 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11439 // Don't print warning for app op permissions, since it is fine for them 11440 // not to be granted, there is a UI for the user to decide. 11441 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11442 Slog.w(TAG, "Not granting permission " + perm 11443 + " to package " + pkg.packageName 11444 + " (protectionLevel=" + bp.protectionLevel 11445 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11446 + ")"); 11447 } 11448 } 11449 } 11450 } 11451 11452 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11453 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11454 // This is the first that we have heard about this package, so the 11455 // permissions we have now selected are fixed until explicitly 11456 // changed. 11457 ps.installPermissionsFixed = true; 11458 } 11459 11460 // Persist the runtime permissions state for users with changes. If permissions 11461 // were revoked because no app in the shared user declares them we have to 11462 // write synchronously to avoid losing runtime permissions state. 11463 for (int userId : changedRuntimePermissionUserIds) { 11464 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11465 } 11466 } 11467 11468 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11469 boolean allowed = false; 11470 final int NP = PackageParser.NEW_PERMISSIONS.length; 11471 for (int ip=0; ip<NP; ip++) { 11472 final PackageParser.NewPermissionInfo npi 11473 = PackageParser.NEW_PERMISSIONS[ip]; 11474 if (npi.name.equals(perm) 11475 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11476 allowed = true; 11477 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11478 + pkg.packageName); 11479 break; 11480 } 11481 } 11482 return allowed; 11483 } 11484 11485 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11486 BasePermission bp, PermissionsState origPermissions) { 11487 boolean privilegedPermission = (bp.protectionLevel 11488 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11489 boolean privappPermissionsDisable = 11490 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11491 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11492 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11493 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11494 && !platformPackage && platformPermission) { 11495 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11496 .getPrivAppPermissions(pkg.packageName); 11497 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11498 if (!whitelisted) { 11499 Slog.w(TAG, "Privileged permission " + perm + " for package " 11500 + pkg.packageName + " - not in privapp-permissions whitelist"); 11501 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11502 return false; 11503 } 11504 } 11505 } 11506 boolean allowed = (compareSignatures( 11507 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11508 == PackageManager.SIGNATURE_MATCH) 11509 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11510 == PackageManager.SIGNATURE_MATCH); 11511 if (!allowed && privilegedPermission) { 11512 if (isSystemApp(pkg)) { 11513 // For updated system applications, a system permission 11514 // is granted only if it had been defined by the original application. 11515 if (pkg.isUpdatedSystemApp()) { 11516 final PackageSetting sysPs = mSettings 11517 .getDisabledSystemPkgLPr(pkg.packageName); 11518 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11519 // If the original was granted this permission, we take 11520 // that grant decision as read and propagate it to the 11521 // update. 11522 if (sysPs.isPrivileged()) { 11523 allowed = true; 11524 } 11525 } else { 11526 // The system apk may have been updated with an older 11527 // version of the one on the data partition, but which 11528 // granted a new system permission that it didn't have 11529 // before. In this case we do want to allow the app to 11530 // now get the new permission if the ancestral apk is 11531 // privileged to get it. 11532 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11533 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11534 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11535 allowed = true; 11536 break; 11537 } 11538 } 11539 } 11540 // Also if a privileged parent package on the system image or any of 11541 // its children requested a privileged permission, the updated child 11542 // packages can also get the permission. 11543 if (pkg.parentPackage != null) { 11544 final PackageSetting disabledSysParentPs = mSettings 11545 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11546 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11547 && disabledSysParentPs.isPrivileged()) { 11548 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11549 allowed = true; 11550 } else if (disabledSysParentPs.pkg.childPackages != null) { 11551 final int count = disabledSysParentPs.pkg.childPackages.size(); 11552 for (int i = 0; i < count; i++) { 11553 PackageParser.Package disabledSysChildPkg = 11554 disabledSysParentPs.pkg.childPackages.get(i); 11555 if (isPackageRequestingPermission(disabledSysChildPkg, 11556 perm)) { 11557 allowed = true; 11558 break; 11559 } 11560 } 11561 } 11562 } 11563 } 11564 } 11565 } else { 11566 allowed = isPrivilegedApp(pkg); 11567 } 11568 } 11569 } 11570 if (!allowed) { 11571 if (!allowed && (bp.protectionLevel 11572 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11573 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11574 // If this was a previously normal/dangerous permission that got moved 11575 // to a system permission as part of the runtime permission redesign, then 11576 // we still want to blindly grant it to old apps. 11577 allowed = true; 11578 } 11579 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11580 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11581 // If this permission is to be granted to the system installer and 11582 // this app is an installer, then it gets the permission. 11583 allowed = true; 11584 } 11585 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11586 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11587 // If this permission is to be granted to the system verifier and 11588 // this app is a verifier, then it gets the permission. 11589 allowed = true; 11590 } 11591 if (!allowed && (bp.protectionLevel 11592 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11593 && isSystemApp(pkg)) { 11594 // Any pre-installed system app is allowed to get this permission. 11595 allowed = true; 11596 } 11597 if (!allowed && (bp.protectionLevel 11598 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11599 // For development permissions, a development permission 11600 // is granted only if it was already granted. 11601 allowed = origPermissions.hasInstallPermission(perm); 11602 } 11603 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11604 && pkg.packageName.equals(mSetupWizardPackage)) { 11605 // If this permission is to be granted to the system setup wizard and 11606 // this app is a setup wizard, then it gets the permission. 11607 allowed = true; 11608 } 11609 } 11610 return allowed; 11611 } 11612 11613 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11614 final int permCount = pkg.requestedPermissions.size(); 11615 for (int j = 0; j < permCount; j++) { 11616 String requestedPermission = pkg.requestedPermissions.get(j); 11617 if (permission.equals(requestedPermission)) { 11618 return true; 11619 } 11620 } 11621 return false; 11622 } 11623 11624 final class ActivityIntentResolver 11625 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11626 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11627 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 11628 if (!sUserManager.exists(userId)) return null; 11629 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0) 11630 | (visibleToEphemeral ? PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY : 0) 11631 | (isEphemeral ? PackageManager.MATCH_EPHEMERAL : 0); 11632 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 11633 isEphemeral, userId); 11634 } 11635 11636 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11637 int userId) { 11638 if (!sUserManager.exists(userId)) return null; 11639 mFlags = flags; 11640 return super.queryIntent(intent, resolvedType, 11641 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11642 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 11643 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 11644 } 11645 11646 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11647 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11648 if (!sUserManager.exists(userId)) return null; 11649 if (packageActivities == null) { 11650 return null; 11651 } 11652 mFlags = flags; 11653 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11654 final boolean vislbleToEphemeral = 11655 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 11656 final boolean isEphemeral = (flags & PackageManager.MATCH_EPHEMERAL) != 0; 11657 final int N = packageActivities.size(); 11658 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11659 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11660 11661 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11662 for (int i = 0; i < N; ++i) { 11663 intentFilters = packageActivities.get(i).intents; 11664 if (intentFilters != null && intentFilters.size() > 0) { 11665 PackageParser.ActivityIntentInfo[] array = 11666 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11667 intentFilters.toArray(array); 11668 listCut.add(array); 11669 } 11670 } 11671 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 11672 vislbleToEphemeral, isEphemeral, listCut, userId); 11673 } 11674 11675 /** 11676 * Finds a privileged activity that matches the specified activity names. 11677 */ 11678 private PackageParser.Activity findMatchingActivity( 11679 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11680 for (PackageParser.Activity sysActivity : activityList) { 11681 if (sysActivity.info.name.equals(activityInfo.name)) { 11682 return sysActivity; 11683 } 11684 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11685 return sysActivity; 11686 } 11687 if (sysActivity.info.targetActivity != null) { 11688 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11689 return sysActivity; 11690 } 11691 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11692 return sysActivity; 11693 } 11694 } 11695 } 11696 return null; 11697 } 11698 11699 public class IterGenerator<E> { 11700 public Iterator<E> generate(ActivityIntentInfo info) { 11701 return null; 11702 } 11703 } 11704 11705 public class ActionIterGenerator extends IterGenerator<String> { 11706 @Override 11707 public Iterator<String> generate(ActivityIntentInfo info) { 11708 return info.actionsIterator(); 11709 } 11710 } 11711 11712 public class CategoriesIterGenerator extends IterGenerator<String> { 11713 @Override 11714 public Iterator<String> generate(ActivityIntentInfo info) { 11715 return info.categoriesIterator(); 11716 } 11717 } 11718 11719 public class SchemesIterGenerator extends IterGenerator<String> { 11720 @Override 11721 public Iterator<String> generate(ActivityIntentInfo info) { 11722 return info.schemesIterator(); 11723 } 11724 } 11725 11726 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11727 @Override 11728 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11729 return info.authoritiesIterator(); 11730 } 11731 } 11732 11733 /** 11734 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11735 * MODIFIED. Do not pass in a list that should not be changed. 11736 */ 11737 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11738 IterGenerator<T> generator, Iterator<T> searchIterator) { 11739 // loop through the set of actions; every one must be found in the intent filter 11740 while (searchIterator.hasNext()) { 11741 // we must have at least one filter in the list to consider a match 11742 if (intentList.size() == 0) { 11743 break; 11744 } 11745 11746 final T searchAction = searchIterator.next(); 11747 11748 // loop through the set of intent filters 11749 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11750 while (intentIter.hasNext()) { 11751 final ActivityIntentInfo intentInfo = intentIter.next(); 11752 boolean selectionFound = false; 11753 11754 // loop through the intent filter's selection criteria; at least one 11755 // of them must match the searched criteria 11756 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11757 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11758 final T intentSelection = intentSelectionIter.next(); 11759 if (intentSelection != null && intentSelection.equals(searchAction)) { 11760 selectionFound = true; 11761 break; 11762 } 11763 } 11764 11765 // the selection criteria wasn't found in this filter's set; this filter 11766 // is not a potential match 11767 if (!selectionFound) { 11768 intentIter.remove(); 11769 } 11770 } 11771 } 11772 } 11773 11774 private boolean isProtectedAction(ActivityIntentInfo filter) { 11775 final Iterator<String> actionsIter = filter.actionsIterator(); 11776 while (actionsIter != null && actionsIter.hasNext()) { 11777 final String filterAction = actionsIter.next(); 11778 if (PROTECTED_ACTIONS.contains(filterAction)) { 11779 return true; 11780 } 11781 } 11782 return false; 11783 } 11784 11785 /** 11786 * Adjusts the priority of the given intent filter according to policy. 11787 * <p> 11788 * <ul> 11789 * <li>The priority for non privileged applications is capped to '0'</li> 11790 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11791 * <li>The priority for unbundled updates to privileged applications is capped to the 11792 * priority defined on the system partition</li> 11793 * </ul> 11794 * <p> 11795 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11796 * allowed to obtain any priority on any action. 11797 */ 11798 private void adjustPriority( 11799 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11800 // nothing to do; priority is fine as-is 11801 if (intent.getPriority() <= 0) { 11802 return; 11803 } 11804 11805 final ActivityInfo activityInfo = intent.activity.info; 11806 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11807 11808 final boolean privilegedApp = 11809 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11810 if (!privilegedApp) { 11811 // non-privileged applications can never define a priority >0 11812 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11813 + " package: " + applicationInfo.packageName 11814 + " activity: " + intent.activity.className 11815 + " origPrio: " + intent.getPriority()); 11816 intent.setPriority(0); 11817 return; 11818 } 11819 11820 if (systemActivities == null) { 11821 // the system package is not disabled; we're parsing the system partition 11822 if (isProtectedAction(intent)) { 11823 if (mDeferProtectedFilters) { 11824 // We can't deal with these just yet. No component should ever obtain a 11825 // >0 priority for a protected actions, with ONE exception -- the setup 11826 // wizard. The setup wizard, however, cannot be known until we're able to 11827 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11828 // until all intent filters have been processed. Chicken, meet egg. 11829 // Let the filter temporarily have a high priority and rectify the 11830 // priorities after all system packages have been scanned. 11831 mProtectedFilters.add(intent); 11832 if (DEBUG_FILTERS) { 11833 Slog.i(TAG, "Protected action; save for later;" 11834 + " package: " + applicationInfo.packageName 11835 + " activity: " + intent.activity.className 11836 + " origPrio: " + intent.getPriority()); 11837 } 11838 return; 11839 } else { 11840 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11841 Slog.i(TAG, "No setup wizard;" 11842 + " All protected intents capped to priority 0"); 11843 } 11844 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11845 if (DEBUG_FILTERS) { 11846 Slog.i(TAG, "Found setup wizard;" 11847 + " allow priority " + intent.getPriority() + ";" 11848 + " package: " + intent.activity.info.packageName 11849 + " activity: " + intent.activity.className 11850 + " priority: " + intent.getPriority()); 11851 } 11852 // setup wizard gets whatever it wants 11853 return; 11854 } 11855 Slog.w(TAG, "Protected action; cap priority to 0;" 11856 + " package: " + intent.activity.info.packageName 11857 + " activity: " + intent.activity.className 11858 + " origPrio: " + intent.getPriority()); 11859 intent.setPriority(0); 11860 return; 11861 } 11862 } 11863 // privileged apps on the system image get whatever priority they request 11864 return; 11865 } 11866 11867 // privileged app unbundled update ... try to find the same activity 11868 final PackageParser.Activity foundActivity = 11869 findMatchingActivity(systemActivities, activityInfo); 11870 if (foundActivity == null) { 11871 // this is a new activity; it cannot obtain >0 priority 11872 if (DEBUG_FILTERS) { 11873 Slog.i(TAG, "New activity; cap priority to 0;" 11874 + " package: " + applicationInfo.packageName 11875 + " activity: " + intent.activity.className 11876 + " origPrio: " + intent.getPriority()); 11877 } 11878 intent.setPriority(0); 11879 return; 11880 } 11881 11882 // found activity, now check for filter equivalence 11883 11884 // a shallow copy is enough; we modify the list, not its contents 11885 final List<ActivityIntentInfo> intentListCopy = 11886 new ArrayList<>(foundActivity.intents); 11887 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11888 11889 // find matching action subsets 11890 final Iterator<String> actionsIterator = intent.actionsIterator(); 11891 if (actionsIterator != null) { 11892 getIntentListSubset( 11893 intentListCopy, new ActionIterGenerator(), actionsIterator); 11894 if (intentListCopy.size() == 0) { 11895 // no more intents to match; we're not equivalent 11896 if (DEBUG_FILTERS) { 11897 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11898 + " package: " + applicationInfo.packageName 11899 + " activity: " + intent.activity.className 11900 + " origPrio: " + intent.getPriority()); 11901 } 11902 intent.setPriority(0); 11903 return; 11904 } 11905 } 11906 11907 // find matching category subsets 11908 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 11909 if (categoriesIterator != null) { 11910 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 11911 categoriesIterator); 11912 if (intentListCopy.size() == 0) { 11913 // no more intents to match; we're not equivalent 11914 if (DEBUG_FILTERS) { 11915 Slog.i(TAG, "Mismatched category; cap priority to 0;" 11916 + " package: " + applicationInfo.packageName 11917 + " activity: " + intent.activity.className 11918 + " origPrio: " + intent.getPriority()); 11919 } 11920 intent.setPriority(0); 11921 return; 11922 } 11923 } 11924 11925 // find matching schemes subsets 11926 final Iterator<String> schemesIterator = intent.schemesIterator(); 11927 if (schemesIterator != null) { 11928 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 11929 schemesIterator); 11930 if (intentListCopy.size() == 0) { 11931 // no more intents to match; we're not equivalent 11932 if (DEBUG_FILTERS) { 11933 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 11934 + " package: " + applicationInfo.packageName 11935 + " activity: " + intent.activity.className 11936 + " origPrio: " + intent.getPriority()); 11937 } 11938 intent.setPriority(0); 11939 return; 11940 } 11941 } 11942 11943 // find matching authorities subsets 11944 final Iterator<IntentFilter.AuthorityEntry> 11945 authoritiesIterator = intent.authoritiesIterator(); 11946 if (authoritiesIterator != null) { 11947 getIntentListSubset(intentListCopy, 11948 new AuthoritiesIterGenerator(), 11949 authoritiesIterator); 11950 if (intentListCopy.size() == 0) { 11951 // no more intents to match; we're not equivalent 11952 if (DEBUG_FILTERS) { 11953 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 11954 + " package: " + applicationInfo.packageName 11955 + " activity: " + intent.activity.className 11956 + " origPrio: " + intent.getPriority()); 11957 } 11958 intent.setPriority(0); 11959 return; 11960 } 11961 } 11962 11963 // we found matching filter(s); app gets the max priority of all intents 11964 int cappedPriority = 0; 11965 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 11966 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 11967 } 11968 if (intent.getPriority() > cappedPriority) { 11969 if (DEBUG_FILTERS) { 11970 Slog.i(TAG, "Found matching filter(s);" 11971 + " cap priority to " + cappedPriority + ";" 11972 + " package: " + applicationInfo.packageName 11973 + " activity: " + intent.activity.className 11974 + " origPrio: " + intent.getPriority()); 11975 } 11976 intent.setPriority(cappedPriority); 11977 return; 11978 } 11979 // all this for nothing; the requested priority was <= what was on the system 11980 } 11981 11982 public final void addActivity(PackageParser.Activity a, String type) { 11983 mActivities.put(a.getComponentName(), a); 11984 if (DEBUG_SHOW_INFO) 11985 Log.v( 11986 TAG, " " + type + " " + 11987 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 11988 if (DEBUG_SHOW_INFO) 11989 Log.v(TAG, " Class=" + a.info.name); 11990 final int NI = a.intents.size(); 11991 for (int j=0; j<NI; j++) { 11992 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11993 if ("activity".equals(type)) { 11994 final PackageSetting ps = 11995 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 11996 final List<PackageParser.Activity> systemActivities = 11997 ps != null && ps.pkg != null ? ps.pkg.activities : null; 11998 adjustPriority(systemActivities, intent); 11999 } 12000 if (DEBUG_SHOW_INFO) { 12001 Log.v(TAG, " IntentFilter:"); 12002 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12003 } 12004 if (!intent.debugCheck()) { 12005 Log.w(TAG, "==> For Activity " + a.info.name); 12006 } 12007 addFilter(intent); 12008 } 12009 } 12010 12011 public final void removeActivity(PackageParser.Activity a, String type) { 12012 mActivities.remove(a.getComponentName()); 12013 if (DEBUG_SHOW_INFO) { 12014 Log.v(TAG, " " + type + " " 12015 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12016 : a.info.name) + ":"); 12017 Log.v(TAG, " Class=" + a.info.name); 12018 } 12019 final int NI = a.intents.size(); 12020 for (int j=0; j<NI; j++) { 12021 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12022 if (DEBUG_SHOW_INFO) { 12023 Log.v(TAG, " IntentFilter:"); 12024 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12025 } 12026 removeFilter(intent); 12027 } 12028 } 12029 12030 @Override 12031 protected boolean allowFilterResult( 12032 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12033 ActivityInfo filterAi = filter.activity.info; 12034 for (int i=dest.size()-1; i>=0; i--) { 12035 ActivityInfo destAi = dest.get(i).activityInfo; 12036 if (destAi.name == filterAi.name 12037 && destAi.packageName == filterAi.packageName) { 12038 return false; 12039 } 12040 } 12041 return true; 12042 } 12043 12044 @Override 12045 protected ActivityIntentInfo[] newArray(int size) { 12046 return new ActivityIntentInfo[size]; 12047 } 12048 12049 @Override 12050 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12051 if (!sUserManager.exists(userId)) return true; 12052 PackageParser.Package p = filter.activity.owner; 12053 if (p != null) { 12054 PackageSetting ps = (PackageSetting)p.mExtras; 12055 if (ps != null) { 12056 // System apps are never considered stopped for purposes of 12057 // filtering, because there may be no way for the user to 12058 // actually re-launch them. 12059 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12060 && ps.getStopped(userId); 12061 } 12062 } 12063 return false; 12064 } 12065 12066 @Override 12067 protected boolean isPackageForFilter(String packageName, 12068 PackageParser.ActivityIntentInfo info) { 12069 return packageName.equals(info.activity.owner.packageName); 12070 } 12071 12072 @Override 12073 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12074 int match, int userId) { 12075 if (!sUserManager.exists(userId)) return null; 12076 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12077 return null; 12078 } 12079 final PackageParser.Activity activity = info.activity; 12080 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12081 if (ps == null) { 12082 return null; 12083 } 12084 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12085 ps.readUserState(userId), userId); 12086 if (ai == null) { 12087 return null; 12088 } 12089 final ResolveInfo res = new ResolveInfo(); 12090 res.activityInfo = ai; 12091 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12092 res.filter = info; 12093 } 12094 if (info != null) { 12095 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12096 } 12097 res.priority = info.getPriority(); 12098 res.preferredOrder = activity.owner.mPreferredOrder; 12099 //System.out.println("Result: " + res.activityInfo.className + 12100 // " = " + res.priority); 12101 res.match = match; 12102 res.isDefault = info.hasDefault; 12103 res.labelRes = info.labelRes; 12104 res.nonLocalizedLabel = info.nonLocalizedLabel; 12105 if (userNeedsBadging(userId)) { 12106 res.noResourceId = true; 12107 } else { 12108 res.icon = info.icon; 12109 } 12110 res.iconResourceId = info.icon; 12111 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12112 return res; 12113 } 12114 12115 @Override 12116 protected void sortResults(List<ResolveInfo> results) { 12117 Collections.sort(results, mResolvePrioritySorter); 12118 } 12119 12120 @Override 12121 protected void dumpFilter(PrintWriter out, String prefix, 12122 PackageParser.ActivityIntentInfo filter) { 12123 out.print(prefix); out.print( 12124 Integer.toHexString(System.identityHashCode(filter.activity))); 12125 out.print(' '); 12126 filter.activity.printComponentShortName(out); 12127 out.print(" filter "); 12128 out.println(Integer.toHexString(System.identityHashCode(filter))); 12129 } 12130 12131 @Override 12132 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12133 return filter.activity; 12134 } 12135 12136 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12137 PackageParser.Activity activity = (PackageParser.Activity)label; 12138 out.print(prefix); out.print( 12139 Integer.toHexString(System.identityHashCode(activity))); 12140 out.print(' '); 12141 activity.printComponentShortName(out); 12142 if (count > 1) { 12143 out.print(" ("); out.print(count); out.print(" filters)"); 12144 } 12145 out.println(); 12146 } 12147 12148 // Keys are String (activity class name), values are Activity. 12149 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12150 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12151 private int mFlags; 12152 } 12153 12154 private final class ServiceIntentResolver 12155 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12156 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12157 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 12158 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12159 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 12160 isEphemeral, userId); 12161 } 12162 12163 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12164 int userId) { 12165 if (!sUserManager.exists(userId)) return null; 12166 mFlags = flags; 12167 return super.queryIntent(intent, resolvedType, 12168 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12169 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 12170 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 12171 } 12172 12173 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12174 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12175 if (!sUserManager.exists(userId)) return null; 12176 if (packageServices == null) { 12177 return null; 12178 } 12179 mFlags = flags; 12180 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12181 final boolean vislbleToEphemeral = 12182 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 12183 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 12184 final int N = packageServices.size(); 12185 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12186 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12187 12188 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12189 for (int i = 0; i < N; ++i) { 12190 intentFilters = packageServices.get(i).intents; 12191 if (intentFilters != null && intentFilters.size() > 0) { 12192 PackageParser.ServiceIntentInfo[] array = 12193 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12194 intentFilters.toArray(array); 12195 listCut.add(array); 12196 } 12197 } 12198 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 12199 vislbleToEphemeral, isEphemeral, listCut, userId); 12200 } 12201 12202 public final void addService(PackageParser.Service s) { 12203 mServices.put(s.getComponentName(), s); 12204 if (DEBUG_SHOW_INFO) { 12205 Log.v(TAG, " " 12206 + (s.info.nonLocalizedLabel != null 12207 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12208 Log.v(TAG, " Class=" + s.info.name); 12209 } 12210 final int NI = s.intents.size(); 12211 int j; 12212 for (j=0; j<NI; j++) { 12213 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12214 if (DEBUG_SHOW_INFO) { 12215 Log.v(TAG, " IntentFilter:"); 12216 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12217 } 12218 if (!intent.debugCheck()) { 12219 Log.w(TAG, "==> For Service " + s.info.name); 12220 } 12221 addFilter(intent); 12222 } 12223 } 12224 12225 public final void removeService(PackageParser.Service s) { 12226 mServices.remove(s.getComponentName()); 12227 if (DEBUG_SHOW_INFO) { 12228 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12229 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12230 Log.v(TAG, " Class=" + s.info.name); 12231 } 12232 final int NI = s.intents.size(); 12233 int j; 12234 for (j=0; j<NI; j++) { 12235 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12236 if (DEBUG_SHOW_INFO) { 12237 Log.v(TAG, " IntentFilter:"); 12238 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12239 } 12240 removeFilter(intent); 12241 } 12242 } 12243 12244 @Override 12245 protected boolean allowFilterResult( 12246 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12247 ServiceInfo filterSi = filter.service.info; 12248 for (int i=dest.size()-1; i>=0; i--) { 12249 ServiceInfo destAi = dest.get(i).serviceInfo; 12250 if (destAi.name == filterSi.name 12251 && destAi.packageName == filterSi.packageName) { 12252 return false; 12253 } 12254 } 12255 return true; 12256 } 12257 12258 @Override 12259 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12260 return new PackageParser.ServiceIntentInfo[size]; 12261 } 12262 12263 @Override 12264 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12265 if (!sUserManager.exists(userId)) return true; 12266 PackageParser.Package p = filter.service.owner; 12267 if (p != null) { 12268 PackageSetting ps = (PackageSetting)p.mExtras; 12269 if (ps != null) { 12270 // System apps are never considered stopped for purposes of 12271 // filtering, because there may be no way for the user to 12272 // actually re-launch them. 12273 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12274 && ps.getStopped(userId); 12275 } 12276 } 12277 return false; 12278 } 12279 12280 @Override 12281 protected boolean isPackageForFilter(String packageName, 12282 PackageParser.ServiceIntentInfo info) { 12283 return packageName.equals(info.service.owner.packageName); 12284 } 12285 12286 @Override 12287 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12288 int match, int userId) { 12289 if (!sUserManager.exists(userId)) return null; 12290 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12291 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12292 return null; 12293 } 12294 final PackageParser.Service service = info.service; 12295 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12296 if (ps == null) { 12297 return null; 12298 } 12299 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12300 ps.readUserState(userId), userId); 12301 if (si == null) { 12302 return null; 12303 } 12304 final ResolveInfo res = new ResolveInfo(); 12305 res.serviceInfo = si; 12306 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12307 res.filter = filter; 12308 } 12309 res.priority = info.getPriority(); 12310 res.preferredOrder = service.owner.mPreferredOrder; 12311 res.match = match; 12312 res.isDefault = info.hasDefault; 12313 res.labelRes = info.labelRes; 12314 res.nonLocalizedLabel = info.nonLocalizedLabel; 12315 res.icon = info.icon; 12316 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12317 return res; 12318 } 12319 12320 @Override 12321 protected void sortResults(List<ResolveInfo> results) { 12322 Collections.sort(results, mResolvePrioritySorter); 12323 } 12324 12325 @Override 12326 protected void dumpFilter(PrintWriter out, String prefix, 12327 PackageParser.ServiceIntentInfo filter) { 12328 out.print(prefix); out.print( 12329 Integer.toHexString(System.identityHashCode(filter.service))); 12330 out.print(' '); 12331 filter.service.printComponentShortName(out); 12332 out.print(" filter "); 12333 out.println(Integer.toHexString(System.identityHashCode(filter))); 12334 } 12335 12336 @Override 12337 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12338 return filter.service; 12339 } 12340 12341 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12342 PackageParser.Service service = (PackageParser.Service)label; 12343 out.print(prefix); out.print( 12344 Integer.toHexString(System.identityHashCode(service))); 12345 out.print(' '); 12346 service.printComponentShortName(out); 12347 if (count > 1) { 12348 out.print(" ("); out.print(count); out.print(" filters)"); 12349 } 12350 out.println(); 12351 } 12352 12353// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12354// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12355// final List<ResolveInfo> retList = Lists.newArrayList(); 12356// while (i.hasNext()) { 12357// final ResolveInfo resolveInfo = (ResolveInfo) i; 12358// if (isEnabledLP(resolveInfo.serviceInfo)) { 12359// retList.add(resolveInfo); 12360// } 12361// } 12362// return retList; 12363// } 12364 12365 // Keys are String (activity class name), values are Activity. 12366 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12367 = new ArrayMap<ComponentName, PackageParser.Service>(); 12368 private int mFlags; 12369 } 12370 12371 private final class ProviderIntentResolver 12372 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12373 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12374 boolean defaultOnly, boolean visibleToEphemeral, boolean isEphemeral, int userId) { 12375 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12376 return super.queryIntent(intent, resolvedType, defaultOnly, visibleToEphemeral, 12377 isEphemeral, userId); 12378 } 12379 12380 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12381 int userId) { 12382 if (!sUserManager.exists(userId)) 12383 return null; 12384 mFlags = flags; 12385 return super.queryIntent(intent, resolvedType, 12386 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12387 (flags & PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0, 12388 (flags & PackageManager.MATCH_EPHEMERAL) != 0, userId); 12389 } 12390 12391 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12392 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12393 if (!sUserManager.exists(userId)) 12394 return null; 12395 if (packageProviders == null) { 12396 return null; 12397 } 12398 mFlags = flags; 12399 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12400 final boolean isEphemeral = (flags&PackageManager.MATCH_EPHEMERAL) != 0; 12401 final boolean vislbleToEphemeral = 12402 (flags&PackageManager.MATCH_VISIBLE_TO_EPHEMERAL_ONLY) != 0; 12403 final int N = packageProviders.size(); 12404 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12405 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12406 12407 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12408 for (int i = 0; i < N; ++i) { 12409 intentFilters = packageProviders.get(i).intents; 12410 if (intentFilters != null && intentFilters.size() > 0) { 12411 PackageParser.ProviderIntentInfo[] array = 12412 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12413 intentFilters.toArray(array); 12414 listCut.add(array); 12415 } 12416 } 12417 return super.queryIntentFromList(intent, resolvedType, defaultOnly, 12418 vislbleToEphemeral, isEphemeral, listCut, userId); 12419 } 12420 12421 public final void addProvider(PackageParser.Provider p) { 12422 if (mProviders.containsKey(p.getComponentName())) { 12423 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12424 return; 12425 } 12426 12427 mProviders.put(p.getComponentName(), p); 12428 if (DEBUG_SHOW_INFO) { 12429 Log.v(TAG, " " 12430 + (p.info.nonLocalizedLabel != null 12431 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12432 Log.v(TAG, " Class=" + p.info.name); 12433 } 12434 final int NI = p.intents.size(); 12435 int j; 12436 for (j = 0; j < NI; j++) { 12437 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12438 if (DEBUG_SHOW_INFO) { 12439 Log.v(TAG, " IntentFilter:"); 12440 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12441 } 12442 if (!intent.debugCheck()) { 12443 Log.w(TAG, "==> For Provider " + p.info.name); 12444 } 12445 addFilter(intent); 12446 } 12447 } 12448 12449 public final void removeProvider(PackageParser.Provider p) { 12450 mProviders.remove(p.getComponentName()); 12451 if (DEBUG_SHOW_INFO) { 12452 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12453 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12454 Log.v(TAG, " Class=" + p.info.name); 12455 } 12456 final int NI = p.intents.size(); 12457 int j; 12458 for (j = 0; j < NI; j++) { 12459 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12460 if (DEBUG_SHOW_INFO) { 12461 Log.v(TAG, " IntentFilter:"); 12462 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12463 } 12464 removeFilter(intent); 12465 } 12466 } 12467 12468 @Override 12469 protected boolean allowFilterResult( 12470 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12471 ProviderInfo filterPi = filter.provider.info; 12472 for (int i = dest.size() - 1; i >= 0; i--) { 12473 ProviderInfo destPi = dest.get(i).providerInfo; 12474 if (destPi.name == filterPi.name 12475 && destPi.packageName == filterPi.packageName) { 12476 return false; 12477 } 12478 } 12479 return true; 12480 } 12481 12482 @Override 12483 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12484 return new PackageParser.ProviderIntentInfo[size]; 12485 } 12486 12487 @Override 12488 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12489 if (!sUserManager.exists(userId)) 12490 return true; 12491 PackageParser.Package p = filter.provider.owner; 12492 if (p != null) { 12493 PackageSetting ps = (PackageSetting) p.mExtras; 12494 if (ps != null) { 12495 // System apps are never considered stopped for purposes of 12496 // filtering, because there may be no way for the user to 12497 // actually re-launch them. 12498 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12499 && ps.getStopped(userId); 12500 } 12501 } 12502 return false; 12503 } 12504 12505 @Override 12506 protected boolean isPackageForFilter(String packageName, 12507 PackageParser.ProviderIntentInfo info) { 12508 return packageName.equals(info.provider.owner.packageName); 12509 } 12510 12511 @Override 12512 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12513 int match, int userId) { 12514 if (!sUserManager.exists(userId)) 12515 return null; 12516 final PackageParser.ProviderIntentInfo info = filter; 12517 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12518 return null; 12519 } 12520 final PackageParser.Provider provider = info.provider; 12521 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12522 if (ps == null) { 12523 return null; 12524 } 12525 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12526 ps.readUserState(userId), userId); 12527 if (pi == null) { 12528 return null; 12529 } 12530 final ResolveInfo res = new ResolveInfo(); 12531 res.providerInfo = pi; 12532 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12533 res.filter = filter; 12534 } 12535 res.priority = info.getPriority(); 12536 res.preferredOrder = provider.owner.mPreferredOrder; 12537 res.match = match; 12538 res.isDefault = info.hasDefault; 12539 res.labelRes = info.labelRes; 12540 res.nonLocalizedLabel = info.nonLocalizedLabel; 12541 res.icon = info.icon; 12542 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12543 return res; 12544 } 12545 12546 @Override 12547 protected void sortResults(List<ResolveInfo> results) { 12548 Collections.sort(results, mResolvePrioritySorter); 12549 } 12550 12551 @Override 12552 protected void dumpFilter(PrintWriter out, String prefix, 12553 PackageParser.ProviderIntentInfo filter) { 12554 out.print(prefix); 12555 out.print( 12556 Integer.toHexString(System.identityHashCode(filter.provider))); 12557 out.print(' '); 12558 filter.provider.printComponentShortName(out); 12559 out.print(" filter "); 12560 out.println(Integer.toHexString(System.identityHashCode(filter))); 12561 } 12562 12563 @Override 12564 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12565 return filter.provider; 12566 } 12567 12568 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12569 PackageParser.Provider provider = (PackageParser.Provider)label; 12570 out.print(prefix); out.print( 12571 Integer.toHexString(System.identityHashCode(provider))); 12572 out.print(' '); 12573 provider.printComponentShortName(out); 12574 if (count > 1) { 12575 out.print(" ("); out.print(count); out.print(" filters)"); 12576 } 12577 out.println(); 12578 } 12579 12580 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12581 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12582 private int mFlags; 12583 } 12584 12585 static final class EphemeralIntentResolver 12586 extends IntentResolver<EphemeralResponse, EphemeralResponse> { 12587 /** 12588 * The result that has the highest defined order. Ordering applies on a 12589 * per-package basis. Mapping is from package name to Pair of order and 12590 * EphemeralResolveInfo. 12591 * <p> 12592 * NOTE: This is implemented as a field variable for convenience and efficiency. 12593 * By having a field variable, we're able to track filter ordering as soon as 12594 * a non-zero order is defined. Otherwise, multiple loops across the result set 12595 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12596 * this needs to be contained entirely within {@link #filterResults()}. 12597 */ 12598 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 12599 12600 @Override 12601 protected EphemeralResponse[] newArray(int size) { 12602 return new EphemeralResponse[size]; 12603 } 12604 12605 @Override 12606 protected boolean isPackageForFilter(String packageName, EphemeralResponse responseObj) { 12607 return true; 12608 } 12609 12610 @Override 12611 protected EphemeralResponse newResult(EphemeralResponse responseObj, int match, 12612 int userId) { 12613 if (!sUserManager.exists(userId)) { 12614 return null; 12615 } 12616 final String packageName = responseObj.resolveInfo.getPackageName(); 12617 final Integer order = responseObj.getOrder(); 12618 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 12619 mOrderResult.get(packageName); 12620 // ordering is enabled and this item's order isn't high enough 12621 if (lastOrderResult != null && lastOrderResult.first >= order) { 12622 return null; 12623 } 12624 final EphemeralResolveInfo res = responseObj.resolveInfo; 12625 if (order > 0) { 12626 // non-zero order, enable ordering 12627 mOrderResult.put(packageName, new Pair<>(order, res)); 12628 } 12629 return responseObj; 12630 } 12631 12632 @Override 12633 protected void filterResults(List<EphemeralResponse> results) { 12634 // only do work if ordering is enabled [most of the time it won't be] 12635 if (mOrderResult.size() == 0) { 12636 return; 12637 } 12638 int resultSize = results.size(); 12639 for (int i = 0; i < resultSize; i++) { 12640 final EphemeralResolveInfo info = results.get(i).resolveInfo; 12641 final String packageName = info.getPackageName(); 12642 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 12643 if (savedInfo == null) { 12644 // package doesn't having ordering 12645 continue; 12646 } 12647 if (savedInfo.second == info) { 12648 // circled back to the highest ordered item; remove from order list 12649 mOrderResult.remove(savedInfo); 12650 if (mOrderResult.size() == 0) { 12651 // no more ordered items 12652 break; 12653 } 12654 continue; 12655 } 12656 // item has a worse order, remove it from the result list 12657 results.remove(i); 12658 resultSize--; 12659 i--; 12660 } 12661 } 12662 } 12663 12664 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12665 new Comparator<ResolveInfo>() { 12666 public int compare(ResolveInfo r1, ResolveInfo r2) { 12667 int v1 = r1.priority; 12668 int v2 = r2.priority; 12669 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12670 if (v1 != v2) { 12671 return (v1 > v2) ? -1 : 1; 12672 } 12673 v1 = r1.preferredOrder; 12674 v2 = r2.preferredOrder; 12675 if (v1 != v2) { 12676 return (v1 > v2) ? -1 : 1; 12677 } 12678 if (r1.isDefault != r2.isDefault) { 12679 return r1.isDefault ? -1 : 1; 12680 } 12681 v1 = r1.match; 12682 v2 = r2.match; 12683 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12684 if (v1 != v2) { 12685 return (v1 > v2) ? -1 : 1; 12686 } 12687 if (r1.system != r2.system) { 12688 return r1.system ? -1 : 1; 12689 } 12690 if (r1.activityInfo != null) { 12691 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12692 } 12693 if (r1.serviceInfo != null) { 12694 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12695 } 12696 if (r1.providerInfo != null) { 12697 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12698 } 12699 return 0; 12700 } 12701 }; 12702 12703 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12704 new Comparator<ProviderInfo>() { 12705 public int compare(ProviderInfo p1, ProviderInfo p2) { 12706 final int v1 = p1.initOrder; 12707 final int v2 = p2.initOrder; 12708 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12709 } 12710 }; 12711 12712 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12713 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12714 final int[] userIds) { 12715 mHandler.post(new Runnable() { 12716 @Override 12717 public void run() { 12718 try { 12719 final IActivityManager am = ActivityManager.getService(); 12720 if (am == null) return; 12721 final int[] resolvedUserIds; 12722 if (userIds == null) { 12723 resolvedUserIds = am.getRunningUserIds(); 12724 } else { 12725 resolvedUserIds = userIds; 12726 } 12727 for (int id : resolvedUserIds) { 12728 final Intent intent = new Intent(action, 12729 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12730 if (extras != null) { 12731 intent.putExtras(extras); 12732 } 12733 if (targetPkg != null) { 12734 intent.setPackage(targetPkg); 12735 } 12736 // Modify the UID when posting to other users 12737 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12738 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12739 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12740 intent.putExtra(Intent.EXTRA_UID, uid); 12741 } 12742 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12743 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12744 if (DEBUG_BROADCASTS) { 12745 RuntimeException here = new RuntimeException("here"); 12746 here.fillInStackTrace(); 12747 Slog.d(TAG, "Sending to user " + id + ": " 12748 + intent.toShortString(false, true, false, false) 12749 + " " + intent.getExtras(), here); 12750 } 12751 am.broadcastIntent(null, intent, null, finishedReceiver, 12752 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12753 null, finishedReceiver != null, false, id); 12754 } 12755 } catch (RemoteException ex) { 12756 } 12757 } 12758 }); 12759 } 12760 12761 /** 12762 * Check if the external storage media is available. This is true if there 12763 * is a mounted external storage medium or if the external storage is 12764 * emulated. 12765 */ 12766 private boolean isExternalMediaAvailable() { 12767 return mMediaMounted || Environment.isExternalStorageEmulated(); 12768 } 12769 12770 @Override 12771 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12772 // writer 12773 synchronized (mPackages) { 12774 if (!isExternalMediaAvailable()) { 12775 // If the external storage is no longer mounted at this point, 12776 // the caller may not have been able to delete all of this 12777 // packages files and can not delete any more. Bail. 12778 return null; 12779 } 12780 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12781 if (lastPackage != null) { 12782 pkgs.remove(lastPackage); 12783 } 12784 if (pkgs.size() > 0) { 12785 return pkgs.get(0); 12786 } 12787 } 12788 return null; 12789 } 12790 12791 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12792 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12793 userId, andCode ? 1 : 0, packageName); 12794 if (mSystemReady) { 12795 msg.sendToTarget(); 12796 } else { 12797 if (mPostSystemReadyMessages == null) { 12798 mPostSystemReadyMessages = new ArrayList<>(); 12799 } 12800 mPostSystemReadyMessages.add(msg); 12801 } 12802 } 12803 12804 void startCleaningPackages() { 12805 // reader 12806 if (!isExternalMediaAvailable()) { 12807 return; 12808 } 12809 synchronized (mPackages) { 12810 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12811 return; 12812 } 12813 } 12814 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12815 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12816 IActivityManager am = ActivityManager.getService(); 12817 if (am != null) { 12818 try { 12819 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 12820 UserHandle.USER_SYSTEM); 12821 } catch (RemoteException e) { 12822 } 12823 } 12824 } 12825 12826 @Override 12827 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12828 int installFlags, String installerPackageName, int userId) { 12829 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12830 12831 final int callingUid = Binder.getCallingUid(); 12832 enforceCrossUserPermission(callingUid, userId, 12833 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12834 12835 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12836 try { 12837 if (observer != null) { 12838 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12839 } 12840 } catch (RemoteException re) { 12841 } 12842 return; 12843 } 12844 12845 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12846 installFlags |= PackageManager.INSTALL_FROM_ADB; 12847 12848 } else { 12849 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12850 // about installerPackageName. 12851 12852 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12853 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12854 } 12855 12856 UserHandle user; 12857 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12858 user = UserHandle.ALL; 12859 } else { 12860 user = new UserHandle(userId); 12861 } 12862 12863 // Only system components can circumvent runtime permissions when installing. 12864 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12865 && mContext.checkCallingOrSelfPermission(Manifest.permission 12866 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12867 throw new SecurityException("You need the " 12868 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12869 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12870 } 12871 12872 final File originFile = new File(originPath); 12873 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12874 12875 final Message msg = mHandler.obtainMessage(INIT_COPY); 12876 final VerificationInfo verificationInfo = new VerificationInfo( 12877 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12878 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12879 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12880 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12881 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12882 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12883 msg.obj = params; 12884 12885 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12886 System.identityHashCode(msg.obj)); 12887 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12888 System.identityHashCode(msg.obj)); 12889 12890 mHandler.sendMessage(msg); 12891 } 12892 12893 12894 /** 12895 * Ensure that the install reason matches what we know about the package installer (e.g. whether 12896 * it is acting on behalf on an enterprise or the user). 12897 * 12898 * Note that the ordering of the conditionals in this method is important. The checks we perform 12899 * are as follows, in this order: 12900 * 12901 * 1) If the install is being performed by a system app, we can trust the app to have set the 12902 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 12903 * what it is. 12904 * 2) If the install is being performed by a device or profile owner app, the install reason 12905 * should be enterprise policy. However, we cannot be sure that the device or profile owner 12906 * set the install reason correctly. If the app targets an older SDK version where install 12907 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 12908 * unset or wrong. Thus, we force the install reason to be enterprise policy. 12909 * 3) In all other cases, the install is being performed by a regular app that is neither part 12910 * of the system nor a device or profile owner. We have no reason to believe that this app is 12911 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 12912 * set to enterprise policy and if so, change it to unknown instead. 12913 */ 12914 private int fixUpInstallReason(String installerPackageName, int installerUid, 12915 int installReason) { 12916 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 12917 == PERMISSION_GRANTED) { 12918 // If the install is being performed by a system app, we trust that app to have set the 12919 // install reason correctly. 12920 return installReason; 12921 } 12922 12923 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12924 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12925 if (dpm != null) { 12926 ComponentName owner = null; 12927 try { 12928 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 12929 if (owner == null) { 12930 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 12931 } 12932 } catch (RemoteException e) { 12933 } 12934 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 12935 // If the install is being performed by a device or profile owner, the install 12936 // reason should be enterprise policy. 12937 return PackageManager.INSTALL_REASON_POLICY; 12938 } 12939 } 12940 12941 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 12942 // If the install is being performed by a regular app (i.e. neither system app nor 12943 // device or profile owner), we have no reason to believe that the app is acting on 12944 // behalf of an enterprise. If the app set the install reason to enterprise policy, 12945 // change it to unknown instead. 12946 return PackageManager.INSTALL_REASON_UNKNOWN; 12947 } 12948 12949 // If the install is being performed by a regular app and the install reason was set to any 12950 // value but enterprise policy, leave the install reason unchanged. 12951 return installReason; 12952 } 12953 12954 void installStage(String packageName, File stagedDir, String stagedCid, 12955 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 12956 String installerPackageName, int installerUid, UserHandle user, 12957 Certificate[][] certificates) { 12958 if (DEBUG_EPHEMERAL) { 12959 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12960 Slog.d(TAG, "Ephemeral install of " + packageName); 12961 } 12962 } 12963 final VerificationInfo verificationInfo = new VerificationInfo( 12964 sessionParams.originatingUri, sessionParams.referrerUri, 12965 sessionParams.originatingUid, installerUid); 12966 12967 final OriginInfo origin; 12968 if (stagedDir != null) { 12969 origin = OriginInfo.fromStagedFile(stagedDir); 12970 } else { 12971 origin = OriginInfo.fromStagedContainer(stagedCid); 12972 } 12973 12974 final Message msg = mHandler.obtainMessage(INIT_COPY); 12975 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 12976 sessionParams.installReason); 12977 final InstallParams params = new InstallParams(origin, null, observer, 12978 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 12979 verificationInfo, user, sessionParams.abiOverride, 12980 sessionParams.grantedRuntimePermissions, certificates, installReason); 12981 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 12982 msg.obj = params; 12983 12984 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 12985 System.identityHashCode(msg.obj)); 12986 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12987 System.identityHashCode(msg.obj)); 12988 12989 mHandler.sendMessage(msg); 12990 } 12991 12992 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 12993 int userId) { 12994 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 12995 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 12996 } 12997 12998 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 12999 int appId, int... userIds) { 13000 if (ArrayUtils.isEmpty(userIds)) { 13001 return; 13002 } 13003 Bundle extras = new Bundle(1); 13004 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13005 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13006 13007 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13008 packageName, extras, 0, null, null, userIds); 13009 if (isSystem) { 13010 mHandler.post(() -> { 13011 for (int userId : userIds) { 13012 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13013 } 13014 } 13015 ); 13016 } 13017 } 13018 13019 /** 13020 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13021 * automatically without needing an explicit launch. 13022 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13023 */ 13024 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13025 // If user is not running, the app didn't miss any broadcast 13026 if (!mUserManagerInternal.isUserRunning(userId)) { 13027 return; 13028 } 13029 final IActivityManager am = ActivityManager.getService(); 13030 try { 13031 // Deliver LOCKED_BOOT_COMPLETED first 13032 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13033 .setPackage(packageName); 13034 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13035 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13036 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13037 13038 // Deliver BOOT_COMPLETED only if user is unlocked 13039 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13040 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13041 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13042 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13043 } 13044 } catch (RemoteException e) { 13045 throw e.rethrowFromSystemServer(); 13046 } 13047 } 13048 13049 @Override 13050 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13051 int userId) { 13052 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13053 PackageSetting pkgSetting; 13054 final int uid = Binder.getCallingUid(); 13055 enforceCrossUserPermission(uid, userId, 13056 true /* requireFullPermission */, true /* checkShell */, 13057 "setApplicationHiddenSetting for user " + userId); 13058 13059 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13060 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13061 return false; 13062 } 13063 13064 long callingId = Binder.clearCallingIdentity(); 13065 try { 13066 boolean sendAdded = false; 13067 boolean sendRemoved = false; 13068 // writer 13069 synchronized (mPackages) { 13070 pkgSetting = mSettings.mPackages.get(packageName); 13071 if (pkgSetting == null) { 13072 return false; 13073 } 13074 // Do not allow "android" is being disabled 13075 if ("android".equals(packageName)) { 13076 Slog.w(TAG, "Cannot hide package: android"); 13077 return false; 13078 } 13079 // Cannot hide static shared libs as they are considered 13080 // a part of the using app (emulating static linking). Also 13081 // static libs are installed always on internal storage. 13082 PackageParser.Package pkg = mPackages.get(packageName); 13083 if (pkg != null && pkg.staticSharedLibName != null) { 13084 Slog.w(TAG, "Cannot hide package: " + packageName 13085 + " providing static shared library: " 13086 + pkg.staticSharedLibName); 13087 return false; 13088 } 13089 // Only allow protected packages to hide themselves. 13090 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13091 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13092 Slog.w(TAG, "Not hiding protected package: " + packageName); 13093 return false; 13094 } 13095 13096 if (pkgSetting.getHidden(userId) != hidden) { 13097 pkgSetting.setHidden(hidden, userId); 13098 mSettings.writePackageRestrictionsLPr(userId); 13099 if (hidden) { 13100 sendRemoved = true; 13101 } else { 13102 sendAdded = true; 13103 } 13104 } 13105 } 13106 if (sendAdded) { 13107 sendPackageAddedForUser(packageName, pkgSetting, userId); 13108 return true; 13109 } 13110 if (sendRemoved) { 13111 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13112 "hiding pkg"); 13113 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13114 return true; 13115 } 13116 } finally { 13117 Binder.restoreCallingIdentity(callingId); 13118 } 13119 return false; 13120 } 13121 13122 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13123 int userId) { 13124 final PackageRemovedInfo info = new PackageRemovedInfo(); 13125 info.removedPackage = packageName; 13126 info.removedUsers = new int[] {userId}; 13127 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13128 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13129 } 13130 13131 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13132 if (pkgList.length > 0) { 13133 Bundle extras = new Bundle(1); 13134 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13135 13136 sendPackageBroadcast( 13137 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13138 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13139 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13140 new int[] {userId}); 13141 } 13142 } 13143 13144 /** 13145 * Returns true if application is not found or there was an error. Otherwise it returns 13146 * the hidden state of the package for the given user. 13147 */ 13148 @Override 13149 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13150 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13151 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13152 true /* requireFullPermission */, false /* checkShell */, 13153 "getApplicationHidden for user " + userId); 13154 PackageSetting pkgSetting; 13155 long callingId = Binder.clearCallingIdentity(); 13156 try { 13157 // writer 13158 synchronized (mPackages) { 13159 pkgSetting = mSettings.mPackages.get(packageName); 13160 if (pkgSetting == null) { 13161 return true; 13162 } 13163 return pkgSetting.getHidden(userId); 13164 } 13165 } finally { 13166 Binder.restoreCallingIdentity(callingId); 13167 } 13168 } 13169 13170 /** 13171 * @hide 13172 */ 13173 @Override 13174 public int installExistingPackageAsUser(String packageName, int userId, int installReason) { 13175 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13176 null); 13177 PackageSetting pkgSetting; 13178 final int uid = Binder.getCallingUid(); 13179 enforceCrossUserPermission(uid, userId, 13180 true /* requireFullPermission */, true /* checkShell */, 13181 "installExistingPackage for user " + userId); 13182 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13183 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13184 } 13185 13186 long callingId = Binder.clearCallingIdentity(); 13187 try { 13188 boolean installed = false; 13189 13190 // writer 13191 synchronized (mPackages) { 13192 pkgSetting = mSettings.mPackages.get(packageName); 13193 if (pkgSetting == null) { 13194 return PackageManager.INSTALL_FAILED_INVALID_URI; 13195 } 13196 if (!pkgSetting.getInstalled(userId)) { 13197 pkgSetting.setInstalled(true, userId); 13198 pkgSetting.setHidden(false, userId); 13199 pkgSetting.setInstallReason(installReason, userId); 13200 mSettings.writePackageRestrictionsLPr(userId); 13201 installed = true; 13202 } 13203 } 13204 13205 if (installed) { 13206 if (pkgSetting.pkg != null) { 13207 synchronized (mInstallLock) { 13208 // We don't need to freeze for a brand new install 13209 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13210 } 13211 } 13212 sendPackageAddedForUser(packageName, pkgSetting, userId); 13213 } 13214 } finally { 13215 Binder.restoreCallingIdentity(callingId); 13216 } 13217 13218 return PackageManager.INSTALL_SUCCEEDED; 13219 } 13220 13221 boolean isUserRestricted(int userId, String restrictionKey) { 13222 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13223 if (restrictions.getBoolean(restrictionKey, false)) { 13224 Log.w(TAG, "User is restricted: " + restrictionKey); 13225 return true; 13226 } 13227 return false; 13228 } 13229 13230 @Override 13231 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13232 int userId) { 13233 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13234 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13235 true /* requireFullPermission */, true /* checkShell */, 13236 "setPackagesSuspended for user " + userId); 13237 13238 if (ArrayUtils.isEmpty(packageNames)) { 13239 return packageNames; 13240 } 13241 13242 // List of package names for whom the suspended state has changed. 13243 List<String> changedPackages = new ArrayList<>(packageNames.length); 13244 // List of package names for whom the suspended state is not set as requested in this 13245 // method. 13246 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13247 long callingId = Binder.clearCallingIdentity(); 13248 try { 13249 for (int i = 0; i < packageNames.length; i++) { 13250 String packageName = packageNames[i]; 13251 boolean changed = false; 13252 final int appId; 13253 synchronized (mPackages) { 13254 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13255 if (pkgSetting == null) { 13256 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13257 + "\". Skipping suspending/un-suspending."); 13258 unactionedPackages.add(packageName); 13259 continue; 13260 } 13261 appId = pkgSetting.appId; 13262 if (pkgSetting.getSuspended(userId) != suspended) { 13263 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13264 unactionedPackages.add(packageName); 13265 continue; 13266 } 13267 pkgSetting.setSuspended(suspended, userId); 13268 mSettings.writePackageRestrictionsLPr(userId); 13269 changed = true; 13270 changedPackages.add(packageName); 13271 } 13272 } 13273 13274 if (changed && suspended) { 13275 killApplication(packageName, UserHandle.getUid(userId, appId), 13276 "suspending package"); 13277 } 13278 } 13279 } finally { 13280 Binder.restoreCallingIdentity(callingId); 13281 } 13282 13283 if (!changedPackages.isEmpty()) { 13284 sendPackagesSuspendedForUser(changedPackages.toArray( 13285 new String[changedPackages.size()]), userId, suspended); 13286 } 13287 13288 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13289 } 13290 13291 @Override 13292 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13293 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13294 true /* requireFullPermission */, false /* checkShell */, 13295 "isPackageSuspendedForUser for user " + userId); 13296 synchronized (mPackages) { 13297 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13298 if (pkgSetting == null) { 13299 throw new IllegalArgumentException("Unknown target package: " + packageName); 13300 } 13301 return pkgSetting.getSuspended(userId); 13302 } 13303 } 13304 13305 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13306 if (isPackageDeviceAdmin(packageName, userId)) { 13307 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13308 + "\": has an active device admin"); 13309 return false; 13310 } 13311 13312 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13313 if (packageName.equals(activeLauncherPackageName)) { 13314 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13315 + "\": contains the active launcher"); 13316 return false; 13317 } 13318 13319 if (packageName.equals(mRequiredInstallerPackage)) { 13320 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13321 + "\": required for package installation"); 13322 return false; 13323 } 13324 13325 if (packageName.equals(mRequiredUninstallerPackage)) { 13326 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13327 + "\": required for package uninstallation"); 13328 return false; 13329 } 13330 13331 if (packageName.equals(mRequiredVerifierPackage)) { 13332 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13333 + "\": required for package verification"); 13334 return false; 13335 } 13336 13337 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13338 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13339 + "\": is the default dialer"); 13340 return false; 13341 } 13342 13343 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13344 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13345 + "\": protected package"); 13346 return false; 13347 } 13348 13349 // Cannot suspend static shared libs as they are considered 13350 // a part of the using app (emulating static linking). Also 13351 // static libs are installed always on internal storage. 13352 PackageParser.Package pkg = mPackages.get(packageName); 13353 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13354 Slog.w(TAG, "Cannot suspend package: " + packageName 13355 + " providing static shared library: " 13356 + pkg.staticSharedLibName); 13357 return false; 13358 } 13359 13360 return true; 13361 } 13362 13363 private String getActiveLauncherPackageName(int userId) { 13364 Intent intent = new Intent(Intent.ACTION_MAIN); 13365 intent.addCategory(Intent.CATEGORY_HOME); 13366 ResolveInfo resolveInfo = resolveIntent( 13367 intent, 13368 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13369 PackageManager.MATCH_DEFAULT_ONLY, 13370 userId); 13371 13372 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13373 } 13374 13375 private String getDefaultDialerPackageName(int userId) { 13376 synchronized (mPackages) { 13377 return mSettings.getDefaultDialerPackageNameLPw(userId); 13378 } 13379 } 13380 13381 @Override 13382 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13383 mContext.enforceCallingOrSelfPermission( 13384 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13385 "Only package verification agents can verify applications"); 13386 13387 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13388 final PackageVerificationResponse response = new PackageVerificationResponse( 13389 verificationCode, Binder.getCallingUid()); 13390 msg.arg1 = id; 13391 msg.obj = response; 13392 mHandler.sendMessage(msg); 13393 } 13394 13395 @Override 13396 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13397 long millisecondsToDelay) { 13398 mContext.enforceCallingOrSelfPermission( 13399 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13400 "Only package verification agents can extend verification timeouts"); 13401 13402 final PackageVerificationState state = mPendingVerification.get(id); 13403 final PackageVerificationResponse response = new PackageVerificationResponse( 13404 verificationCodeAtTimeout, Binder.getCallingUid()); 13405 13406 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13407 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13408 } 13409 if (millisecondsToDelay < 0) { 13410 millisecondsToDelay = 0; 13411 } 13412 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13413 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13414 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13415 } 13416 13417 if ((state != null) && !state.timeoutExtended()) { 13418 state.extendTimeout(); 13419 13420 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13421 msg.arg1 = id; 13422 msg.obj = response; 13423 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13424 } 13425 } 13426 13427 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13428 int verificationCode, UserHandle user) { 13429 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13430 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13431 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13432 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13433 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13434 13435 mContext.sendBroadcastAsUser(intent, user, 13436 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13437 } 13438 13439 private ComponentName matchComponentForVerifier(String packageName, 13440 List<ResolveInfo> receivers) { 13441 ActivityInfo targetReceiver = null; 13442 13443 final int NR = receivers.size(); 13444 for (int i = 0; i < NR; i++) { 13445 final ResolveInfo info = receivers.get(i); 13446 if (info.activityInfo == null) { 13447 continue; 13448 } 13449 13450 if (packageName.equals(info.activityInfo.packageName)) { 13451 targetReceiver = info.activityInfo; 13452 break; 13453 } 13454 } 13455 13456 if (targetReceiver == null) { 13457 return null; 13458 } 13459 13460 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13461 } 13462 13463 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13464 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13465 if (pkgInfo.verifiers.length == 0) { 13466 return null; 13467 } 13468 13469 final int N = pkgInfo.verifiers.length; 13470 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13471 for (int i = 0; i < N; i++) { 13472 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13473 13474 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13475 receivers); 13476 if (comp == null) { 13477 continue; 13478 } 13479 13480 final int verifierUid = getUidForVerifier(verifierInfo); 13481 if (verifierUid == -1) { 13482 continue; 13483 } 13484 13485 if (DEBUG_VERIFY) { 13486 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13487 + " with the correct signature"); 13488 } 13489 sufficientVerifiers.add(comp); 13490 verificationState.addSufficientVerifier(verifierUid); 13491 } 13492 13493 return sufficientVerifiers; 13494 } 13495 13496 private int getUidForVerifier(VerifierInfo verifierInfo) { 13497 synchronized (mPackages) { 13498 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13499 if (pkg == null) { 13500 return -1; 13501 } else if (pkg.mSignatures.length != 1) { 13502 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13503 + " has more than one signature; ignoring"); 13504 return -1; 13505 } 13506 13507 /* 13508 * If the public key of the package's signature does not match 13509 * our expected public key, then this is a different package and 13510 * we should skip. 13511 */ 13512 13513 final byte[] expectedPublicKey; 13514 try { 13515 final Signature verifierSig = pkg.mSignatures[0]; 13516 final PublicKey publicKey = verifierSig.getPublicKey(); 13517 expectedPublicKey = publicKey.getEncoded(); 13518 } catch (CertificateException e) { 13519 return -1; 13520 } 13521 13522 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13523 13524 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13525 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13526 + " does not have the expected public key; ignoring"); 13527 return -1; 13528 } 13529 13530 return pkg.applicationInfo.uid; 13531 } 13532 } 13533 13534 @Override 13535 public void finishPackageInstall(int token, boolean didLaunch) { 13536 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13537 13538 if (DEBUG_INSTALL) { 13539 Slog.v(TAG, "BM finishing package install for " + token); 13540 } 13541 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13542 13543 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13544 mHandler.sendMessage(msg); 13545 } 13546 13547 /** 13548 * Get the verification agent timeout. 13549 * 13550 * @return verification timeout in milliseconds 13551 */ 13552 private long getVerificationTimeout() { 13553 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13554 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13555 DEFAULT_VERIFICATION_TIMEOUT); 13556 } 13557 13558 /** 13559 * Get the default verification agent response code. 13560 * 13561 * @return default verification response code 13562 */ 13563 private int getDefaultVerificationResponse() { 13564 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13565 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13566 DEFAULT_VERIFICATION_RESPONSE); 13567 } 13568 13569 /** 13570 * Check whether or not package verification has been enabled. 13571 * 13572 * @return true if verification should be performed 13573 */ 13574 private boolean isVerificationEnabled(int userId, int installFlags) { 13575 if (!DEFAULT_VERIFY_ENABLE) { 13576 return false; 13577 } 13578 // Ephemeral apps don't get the full verification treatment 13579 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 13580 if (DEBUG_EPHEMERAL) { 13581 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 13582 } 13583 return false; 13584 } 13585 13586 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13587 13588 // Check if installing from ADB 13589 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13590 // Do not run verification in a test harness environment 13591 if (ActivityManager.isRunningInTestHarness()) { 13592 return false; 13593 } 13594 if (ensureVerifyAppsEnabled) { 13595 return true; 13596 } 13597 // Check if the developer does not want package verification for ADB installs 13598 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13599 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13600 return false; 13601 } 13602 } 13603 13604 if (ensureVerifyAppsEnabled) { 13605 return true; 13606 } 13607 13608 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13609 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13610 } 13611 13612 @Override 13613 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13614 throws RemoteException { 13615 mContext.enforceCallingOrSelfPermission( 13616 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13617 "Only intentfilter verification agents can verify applications"); 13618 13619 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13620 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13621 Binder.getCallingUid(), verificationCode, failedDomains); 13622 msg.arg1 = id; 13623 msg.obj = response; 13624 mHandler.sendMessage(msg); 13625 } 13626 13627 @Override 13628 public int getIntentVerificationStatus(String packageName, int userId) { 13629 synchronized (mPackages) { 13630 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13631 } 13632 } 13633 13634 @Override 13635 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13636 mContext.enforceCallingOrSelfPermission( 13637 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13638 13639 boolean result = false; 13640 synchronized (mPackages) { 13641 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13642 } 13643 if (result) { 13644 scheduleWritePackageRestrictionsLocked(userId); 13645 } 13646 return result; 13647 } 13648 13649 @Override 13650 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13651 String packageName) { 13652 synchronized (mPackages) { 13653 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13654 } 13655 } 13656 13657 @Override 13658 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13659 if (TextUtils.isEmpty(packageName)) { 13660 return ParceledListSlice.emptyList(); 13661 } 13662 synchronized (mPackages) { 13663 PackageParser.Package pkg = mPackages.get(packageName); 13664 if (pkg == null || pkg.activities == null) { 13665 return ParceledListSlice.emptyList(); 13666 } 13667 final int count = pkg.activities.size(); 13668 ArrayList<IntentFilter> result = new ArrayList<>(); 13669 for (int n=0; n<count; n++) { 13670 PackageParser.Activity activity = pkg.activities.get(n); 13671 if (activity.intents != null && activity.intents.size() > 0) { 13672 result.addAll(activity.intents); 13673 } 13674 } 13675 return new ParceledListSlice<>(result); 13676 } 13677 } 13678 13679 @Override 13680 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13681 mContext.enforceCallingOrSelfPermission( 13682 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13683 13684 synchronized (mPackages) { 13685 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13686 if (packageName != null) { 13687 result |= updateIntentVerificationStatus(packageName, 13688 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13689 userId); 13690 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13691 packageName, userId); 13692 } 13693 return result; 13694 } 13695 } 13696 13697 @Override 13698 public String getDefaultBrowserPackageName(int userId) { 13699 synchronized (mPackages) { 13700 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13701 } 13702 } 13703 13704 /** 13705 * Get the "allow unknown sources" setting. 13706 * 13707 * @return the current "allow unknown sources" setting 13708 */ 13709 private int getUnknownSourcesSettings() { 13710 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13711 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13712 -1); 13713 } 13714 13715 @Override 13716 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13717 final int uid = Binder.getCallingUid(); 13718 // writer 13719 synchronized (mPackages) { 13720 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13721 if (targetPackageSetting == null) { 13722 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13723 } 13724 13725 PackageSetting installerPackageSetting; 13726 if (installerPackageName != null) { 13727 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13728 if (installerPackageSetting == null) { 13729 throw new IllegalArgumentException("Unknown installer package: " 13730 + installerPackageName); 13731 } 13732 } else { 13733 installerPackageSetting = null; 13734 } 13735 13736 Signature[] callerSignature; 13737 Object obj = mSettings.getUserIdLPr(uid); 13738 if (obj != null) { 13739 if (obj instanceof SharedUserSetting) { 13740 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13741 } else if (obj instanceof PackageSetting) { 13742 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13743 } else { 13744 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13745 } 13746 } else { 13747 throw new SecurityException("Unknown calling UID: " + uid); 13748 } 13749 13750 // Verify: can't set installerPackageName to a package that is 13751 // not signed with the same cert as the caller. 13752 if (installerPackageSetting != null) { 13753 if (compareSignatures(callerSignature, 13754 installerPackageSetting.signatures.mSignatures) 13755 != PackageManager.SIGNATURE_MATCH) { 13756 throw new SecurityException( 13757 "Caller does not have same cert as new installer package " 13758 + installerPackageName); 13759 } 13760 } 13761 13762 // Verify: if target already has an installer package, it must 13763 // be signed with the same cert as the caller. 13764 if (targetPackageSetting.installerPackageName != null) { 13765 PackageSetting setting = mSettings.mPackages.get( 13766 targetPackageSetting.installerPackageName); 13767 // If the currently set package isn't valid, then it's always 13768 // okay to change it. 13769 if (setting != null) { 13770 if (compareSignatures(callerSignature, 13771 setting.signatures.mSignatures) 13772 != PackageManager.SIGNATURE_MATCH) { 13773 throw new SecurityException( 13774 "Caller does not have same cert as old installer package " 13775 + targetPackageSetting.installerPackageName); 13776 } 13777 } 13778 } 13779 13780 // Okay! 13781 targetPackageSetting.installerPackageName = installerPackageName; 13782 if (installerPackageName != null) { 13783 mSettings.mInstallerPackages.add(installerPackageName); 13784 } 13785 scheduleWriteSettingsLocked(); 13786 } 13787 } 13788 13789 @Override 13790 public void setApplicationCategoryHint(String packageName, int categoryHint, 13791 String callerPackageName) { 13792 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13793 callerPackageName); 13794 synchronized (mPackages) { 13795 PackageSetting ps = mSettings.mPackages.get(packageName); 13796 if (ps == null) { 13797 throw new IllegalArgumentException("Unknown target package " + packageName); 13798 } 13799 13800 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13801 throw new IllegalArgumentException("Calling package " + callerPackageName 13802 + " is not installer for " + packageName); 13803 } 13804 13805 if (ps.categoryHint != categoryHint) { 13806 ps.categoryHint = categoryHint; 13807 scheduleWriteSettingsLocked(); 13808 } 13809 } 13810 } 13811 13812 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13813 // Queue up an async operation since the package installation may take a little while. 13814 mHandler.post(new Runnable() { 13815 public void run() { 13816 mHandler.removeCallbacks(this); 13817 // Result object to be returned 13818 PackageInstalledInfo res = new PackageInstalledInfo(); 13819 res.setReturnCode(currentStatus); 13820 res.uid = -1; 13821 res.pkg = null; 13822 res.removedInfo = null; 13823 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13824 args.doPreInstall(res.returnCode); 13825 synchronized (mInstallLock) { 13826 installPackageTracedLI(args, res); 13827 } 13828 args.doPostInstall(res.returnCode, res.uid); 13829 } 13830 13831 // A restore should be performed at this point if (a) the install 13832 // succeeded, (b) the operation is not an update, and (c) the new 13833 // package has not opted out of backup participation. 13834 final boolean update = res.removedInfo != null 13835 && res.removedInfo.removedPackage != null; 13836 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13837 boolean doRestore = !update 13838 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13839 13840 // Set up the post-install work request bookkeeping. This will be used 13841 // and cleaned up by the post-install event handling regardless of whether 13842 // there's a restore pass performed. Token values are >= 1. 13843 int token; 13844 if (mNextInstallToken < 0) mNextInstallToken = 1; 13845 token = mNextInstallToken++; 13846 13847 PostInstallData data = new PostInstallData(args, res); 13848 mRunningInstalls.put(token, data); 13849 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13850 13851 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13852 // Pass responsibility to the Backup Manager. It will perform a 13853 // restore if appropriate, then pass responsibility back to the 13854 // Package Manager to run the post-install observer callbacks 13855 // and broadcasts. 13856 IBackupManager bm = IBackupManager.Stub.asInterface( 13857 ServiceManager.getService(Context.BACKUP_SERVICE)); 13858 if (bm != null) { 13859 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13860 + " to BM for possible restore"); 13861 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13862 try { 13863 // TODO: http://b/22388012 13864 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 13865 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 13866 } else { 13867 doRestore = false; 13868 } 13869 } catch (RemoteException e) { 13870 // can't happen; the backup manager is local 13871 } catch (Exception e) { 13872 Slog.e(TAG, "Exception trying to enqueue restore", e); 13873 doRestore = false; 13874 } 13875 } else { 13876 Slog.e(TAG, "Backup Manager not found!"); 13877 doRestore = false; 13878 } 13879 } 13880 13881 if (!doRestore) { 13882 // No restore possible, or the Backup Manager was mysteriously not 13883 // available -- just fire the post-install work request directly. 13884 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 13885 13886 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 13887 13888 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 13889 mHandler.sendMessage(msg); 13890 } 13891 } 13892 }); 13893 } 13894 13895 /** 13896 * Callback from PackageSettings whenever an app is first transitioned out of the 13897 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 13898 * the app was "launched" for a restoreAtInstall operation. Therefore we check 13899 * here whether the app is the target of an ongoing install, and only send the 13900 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 13901 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 13902 * handling. 13903 */ 13904 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 13905 // Serialize this with the rest of the install-process message chain. In the 13906 // restore-at-install case, this Runnable will necessarily run before the 13907 // POST_INSTALL message is processed, so the contents of mRunningInstalls 13908 // are coherent. In the non-restore case, the app has already completed install 13909 // and been launched through some other means, so it is not in a problematic 13910 // state for observers to see the FIRST_LAUNCH signal. 13911 mHandler.post(new Runnable() { 13912 @Override 13913 public void run() { 13914 for (int i = 0; i < mRunningInstalls.size(); i++) { 13915 final PostInstallData data = mRunningInstalls.valueAt(i); 13916 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13917 continue; 13918 } 13919 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 13920 // right package; but is it for the right user? 13921 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 13922 if (userId == data.res.newUsers[uIndex]) { 13923 if (DEBUG_BACKUP) { 13924 Slog.i(TAG, "Package " + pkgName 13925 + " being restored so deferring FIRST_LAUNCH"); 13926 } 13927 return; 13928 } 13929 } 13930 } 13931 } 13932 // didn't find it, so not being restored 13933 if (DEBUG_BACKUP) { 13934 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 13935 } 13936 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 13937 } 13938 }); 13939 } 13940 13941 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 13942 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 13943 installerPkg, null, userIds); 13944 } 13945 13946 private abstract class HandlerParams { 13947 private static final int MAX_RETRIES = 4; 13948 13949 /** 13950 * Number of times startCopy() has been attempted and had a non-fatal 13951 * error. 13952 */ 13953 private int mRetries = 0; 13954 13955 /** User handle for the user requesting the information or installation. */ 13956 private final UserHandle mUser; 13957 String traceMethod; 13958 int traceCookie; 13959 13960 HandlerParams(UserHandle user) { 13961 mUser = user; 13962 } 13963 13964 UserHandle getUser() { 13965 return mUser; 13966 } 13967 13968 HandlerParams setTraceMethod(String traceMethod) { 13969 this.traceMethod = traceMethod; 13970 return this; 13971 } 13972 13973 HandlerParams setTraceCookie(int traceCookie) { 13974 this.traceCookie = traceCookie; 13975 return this; 13976 } 13977 13978 final boolean startCopy() { 13979 boolean res; 13980 try { 13981 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 13982 13983 if (++mRetries > MAX_RETRIES) { 13984 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 13985 mHandler.sendEmptyMessage(MCS_GIVE_UP); 13986 handleServiceError(); 13987 return false; 13988 } else { 13989 handleStartCopy(); 13990 res = true; 13991 } 13992 } catch (RemoteException e) { 13993 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 13994 mHandler.sendEmptyMessage(MCS_RECONNECT); 13995 res = false; 13996 } 13997 handleReturnCode(); 13998 return res; 13999 } 14000 14001 final void serviceError() { 14002 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14003 handleServiceError(); 14004 handleReturnCode(); 14005 } 14006 14007 abstract void handleStartCopy() throws RemoteException; 14008 abstract void handleServiceError(); 14009 abstract void handleReturnCode(); 14010 } 14011 14012 class MeasureParams extends HandlerParams { 14013 private final PackageStats mStats; 14014 private boolean mSuccess; 14015 14016 private final IPackageStatsObserver mObserver; 14017 14018 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 14019 super(new UserHandle(stats.userHandle)); 14020 mObserver = observer; 14021 mStats = stats; 14022 } 14023 14024 @Override 14025 public String toString() { 14026 return "MeasureParams{" 14027 + Integer.toHexString(System.identityHashCode(this)) 14028 + " " + mStats.packageName + "}"; 14029 } 14030 14031 @Override 14032 void handleStartCopy() throws RemoteException { 14033 synchronized (mInstallLock) { 14034 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 14035 } 14036 14037 if (mSuccess) { 14038 boolean mounted = false; 14039 try { 14040 final String status = Environment.getExternalStorageState(); 14041 mounted = (Environment.MEDIA_MOUNTED.equals(status) 14042 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 14043 } catch (Exception e) { 14044 } 14045 14046 if (mounted) { 14047 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 14048 14049 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 14050 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 14051 14052 mStats.externalDataSize = calculateDirectorySize(mContainerService, 14053 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 14054 14055 // Always subtract cache size, since it's a subdirectory 14056 mStats.externalDataSize -= mStats.externalCacheSize; 14057 14058 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 14059 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 14060 14061 mStats.externalObbSize = calculateDirectorySize(mContainerService, 14062 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 14063 } 14064 } 14065 } 14066 14067 @Override 14068 void handleReturnCode() { 14069 if (mObserver != null) { 14070 try { 14071 mObserver.onGetStatsCompleted(mStats, mSuccess); 14072 } catch (RemoteException e) { 14073 Slog.i(TAG, "Observer no longer exists."); 14074 } 14075 } 14076 } 14077 14078 @Override 14079 void handleServiceError() { 14080 Slog.e(TAG, "Could not measure application " + mStats.packageName 14081 + " external storage"); 14082 } 14083 } 14084 14085 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 14086 throws RemoteException { 14087 long result = 0; 14088 for (File path : paths) { 14089 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 14090 } 14091 return result; 14092 } 14093 14094 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14095 for (File path : paths) { 14096 try { 14097 mcs.clearDirectory(path.getAbsolutePath()); 14098 } catch (RemoteException e) { 14099 } 14100 } 14101 } 14102 14103 static class OriginInfo { 14104 /** 14105 * Location where install is coming from, before it has been 14106 * copied/renamed into place. This could be a single monolithic APK 14107 * file, or a cluster directory. This location may be untrusted. 14108 */ 14109 final File file; 14110 final String cid; 14111 14112 /** 14113 * Flag indicating that {@link #file} or {@link #cid} has already been 14114 * staged, meaning downstream users don't need to defensively copy the 14115 * contents. 14116 */ 14117 final boolean staged; 14118 14119 /** 14120 * Flag indicating that {@link #file} or {@link #cid} is an already 14121 * installed app that is being moved. 14122 */ 14123 final boolean existing; 14124 14125 final String resolvedPath; 14126 final File resolvedFile; 14127 14128 static OriginInfo fromNothing() { 14129 return new OriginInfo(null, null, false, false); 14130 } 14131 14132 static OriginInfo fromUntrustedFile(File file) { 14133 return new OriginInfo(file, null, false, false); 14134 } 14135 14136 static OriginInfo fromExistingFile(File file) { 14137 return new OriginInfo(file, null, false, true); 14138 } 14139 14140 static OriginInfo fromStagedFile(File file) { 14141 return new OriginInfo(file, null, true, false); 14142 } 14143 14144 static OriginInfo fromStagedContainer(String cid) { 14145 return new OriginInfo(null, cid, true, false); 14146 } 14147 14148 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14149 this.file = file; 14150 this.cid = cid; 14151 this.staged = staged; 14152 this.existing = existing; 14153 14154 if (cid != null) { 14155 resolvedPath = PackageHelper.getSdDir(cid); 14156 resolvedFile = new File(resolvedPath); 14157 } else if (file != null) { 14158 resolvedPath = file.getAbsolutePath(); 14159 resolvedFile = file; 14160 } else { 14161 resolvedPath = null; 14162 resolvedFile = null; 14163 } 14164 } 14165 } 14166 14167 static class MoveInfo { 14168 final int moveId; 14169 final String fromUuid; 14170 final String toUuid; 14171 final String packageName; 14172 final String dataAppName; 14173 final int appId; 14174 final String seinfo; 14175 final int targetSdkVersion; 14176 14177 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14178 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14179 this.moveId = moveId; 14180 this.fromUuid = fromUuid; 14181 this.toUuid = toUuid; 14182 this.packageName = packageName; 14183 this.dataAppName = dataAppName; 14184 this.appId = appId; 14185 this.seinfo = seinfo; 14186 this.targetSdkVersion = targetSdkVersion; 14187 } 14188 } 14189 14190 static class VerificationInfo { 14191 /** A constant used to indicate that a uid value is not present. */ 14192 public static final int NO_UID = -1; 14193 14194 /** URI referencing where the package was downloaded from. */ 14195 final Uri originatingUri; 14196 14197 /** HTTP referrer URI associated with the originatingURI. */ 14198 final Uri referrer; 14199 14200 /** UID of the application that the install request originated from. */ 14201 final int originatingUid; 14202 14203 /** UID of application requesting the install */ 14204 final int installerUid; 14205 14206 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14207 this.originatingUri = originatingUri; 14208 this.referrer = referrer; 14209 this.originatingUid = originatingUid; 14210 this.installerUid = installerUid; 14211 } 14212 } 14213 14214 class InstallParams extends HandlerParams { 14215 final OriginInfo origin; 14216 final MoveInfo move; 14217 final IPackageInstallObserver2 observer; 14218 int installFlags; 14219 final String installerPackageName; 14220 final String volumeUuid; 14221 private InstallArgs mArgs; 14222 private int mRet; 14223 final String packageAbiOverride; 14224 final String[] grantedRuntimePermissions; 14225 final VerificationInfo verificationInfo; 14226 final Certificate[][] certificates; 14227 final int installReason; 14228 14229 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14230 int installFlags, String installerPackageName, String volumeUuid, 14231 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14232 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14233 super(user); 14234 this.origin = origin; 14235 this.move = move; 14236 this.observer = observer; 14237 this.installFlags = installFlags; 14238 this.installerPackageName = installerPackageName; 14239 this.volumeUuid = volumeUuid; 14240 this.verificationInfo = verificationInfo; 14241 this.packageAbiOverride = packageAbiOverride; 14242 this.grantedRuntimePermissions = grantedPermissions; 14243 this.certificates = certificates; 14244 this.installReason = installReason; 14245 } 14246 14247 @Override 14248 public String toString() { 14249 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14250 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14251 } 14252 14253 private int installLocationPolicy(PackageInfoLite pkgLite) { 14254 String packageName = pkgLite.packageName; 14255 int installLocation = pkgLite.installLocation; 14256 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14257 // reader 14258 synchronized (mPackages) { 14259 // Currently installed package which the new package is attempting to replace or 14260 // null if no such package is installed. 14261 PackageParser.Package installedPkg = mPackages.get(packageName); 14262 // Package which currently owns the data which the new package will own if installed. 14263 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14264 // will be null whereas dataOwnerPkg will contain information about the package 14265 // which was uninstalled while keeping its data. 14266 PackageParser.Package dataOwnerPkg = installedPkg; 14267 if (dataOwnerPkg == null) { 14268 PackageSetting ps = mSettings.mPackages.get(packageName); 14269 if (ps != null) { 14270 dataOwnerPkg = ps.pkg; 14271 } 14272 } 14273 14274 if (dataOwnerPkg != null) { 14275 // If installed, the package will get access to data left on the device by its 14276 // predecessor. As a security measure, this is permited only if this is not a 14277 // version downgrade or if the predecessor package is marked as debuggable and 14278 // a downgrade is explicitly requested. 14279 // 14280 // On debuggable platform builds, downgrades are permitted even for 14281 // non-debuggable packages to make testing easier. Debuggable platform builds do 14282 // not offer security guarantees and thus it's OK to disable some security 14283 // mechanisms to make debugging/testing easier on those builds. However, even on 14284 // debuggable builds downgrades of packages are permitted only if requested via 14285 // installFlags. This is because we aim to keep the behavior of debuggable 14286 // platform builds as close as possible to the behavior of non-debuggable 14287 // platform builds. 14288 final boolean downgradeRequested = 14289 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14290 final boolean packageDebuggable = 14291 (dataOwnerPkg.applicationInfo.flags 14292 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14293 final boolean downgradePermitted = 14294 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14295 if (!downgradePermitted) { 14296 try { 14297 checkDowngrade(dataOwnerPkg, pkgLite); 14298 } catch (PackageManagerException e) { 14299 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14300 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14301 } 14302 } 14303 } 14304 14305 if (installedPkg != null) { 14306 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14307 // Check for updated system application. 14308 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14309 if (onSd) { 14310 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14311 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14312 } 14313 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14314 } else { 14315 if (onSd) { 14316 // Install flag overrides everything. 14317 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14318 } 14319 // If current upgrade specifies particular preference 14320 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14321 // Application explicitly specified internal. 14322 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14323 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14324 // App explictly prefers external. Let policy decide 14325 } else { 14326 // Prefer previous location 14327 if (isExternal(installedPkg)) { 14328 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14329 } 14330 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14331 } 14332 } 14333 } else { 14334 // Invalid install. Return error code 14335 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14336 } 14337 } 14338 } 14339 // All the special cases have been taken care of. 14340 // Return result based on recommended install location. 14341 if (onSd) { 14342 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14343 } 14344 return pkgLite.recommendedInstallLocation; 14345 } 14346 14347 /* 14348 * Invoke remote method to get package information and install 14349 * location values. Override install location based on default 14350 * policy if needed and then create install arguments based 14351 * on the install location. 14352 */ 14353 public void handleStartCopy() throws RemoteException { 14354 int ret = PackageManager.INSTALL_SUCCEEDED; 14355 14356 // If we're already staged, we've firmly committed to an install location 14357 if (origin.staged) { 14358 if (origin.file != null) { 14359 installFlags |= PackageManager.INSTALL_INTERNAL; 14360 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14361 } else if (origin.cid != null) { 14362 installFlags |= PackageManager.INSTALL_EXTERNAL; 14363 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14364 } else { 14365 throw new IllegalStateException("Invalid stage location"); 14366 } 14367 } 14368 14369 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14370 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14371 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14372 PackageInfoLite pkgLite = null; 14373 14374 if (onInt && onSd) { 14375 // Check if both bits are set. 14376 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14377 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14378 } else if (onSd && ephemeral) { 14379 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14380 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14381 } else { 14382 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14383 packageAbiOverride); 14384 14385 if (DEBUG_EPHEMERAL && ephemeral) { 14386 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14387 } 14388 14389 /* 14390 * If we have too little free space, try to free cache 14391 * before giving up. 14392 */ 14393 if (!origin.staged && pkgLite.recommendedInstallLocation 14394 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14395 // TODO: focus freeing disk space on the target device 14396 final StorageManager storage = StorageManager.from(mContext); 14397 final long lowThreshold = storage.getStorageLowBytes( 14398 Environment.getDataDirectory()); 14399 14400 final long sizeBytes = mContainerService.calculateInstalledSize( 14401 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14402 14403 try { 14404 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14405 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14406 installFlags, packageAbiOverride); 14407 } catch (InstallerException e) { 14408 Slog.w(TAG, "Failed to free cache", e); 14409 } 14410 14411 /* 14412 * The cache free must have deleted the file we 14413 * downloaded to install. 14414 * 14415 * TODO: fix the "freeCache" call to not delete 14416 * the file we care about. 14417 */ 14418 if (pkgLite.recommendedInstallLocation 14419 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14420 pkgLite.recommendedInstallLocation 14421 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14422 } 14423 } 14424 } 14425 14426 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14427 int loc = pkgLite.recommendedInstallLocation; 14428 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14429 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14430 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14431 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14432 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14433 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14434 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14435 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14436 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14437 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14438 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14439 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14440 } else { 14441 // Override with defaults if needed. 14442 loc = installLocationPolicy(pkgLite); 14443 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14444 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14445 } else if (!onSd && !onInt) { 14446 // Override install location with flags 14447 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14448 // Set the flag to install on external media. 14449 installFlags |= PackageManager.INSTALL_EXTERNAL; 14450 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14451 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14452 if (DEBUG_EPHEMERAL) { 14453 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14454 } 14455 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14456 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14457 |PackageManager.INSTALL_INTERNAL); 14458 } else { 14459 // Make sure the flag for installing on external 14460 // media is unset 14461 installFlags |= PackageManager.INSTALL_INTERNAL; 14462 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14463 } 14464 } 14465 } 14466 } 14467 14468 final InstallArgs args = createInstallArgs(this); 14469 mArgs = args; 14470 14471 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14472 // TODO: http://b/22976637 14473 // Apps installed for "all" users use the device owner to verify the app 14474 UserHandle verifierUser = getUser(); 14475 if (verifierUser == UserHandle.ALL) { 14476 verifierUser = UserHandle.SYSTEM; 14477 } 14478 14479 /* 14480 * Determine if we have any installed package verifiers. If we 14481 * do, then we'll defer to them to verify the packages. 14482 */ 14483 final int requiredUid = mRequiredVerifierPackage == null ? -1 14484 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14485 verifierUser.getIdentifier()); 14486 if (!origin.existing && requiredUid != -1 14487 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14488 final Intent verification = new Intent( 14489 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14490 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14491 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14492 PACKAGE_MIME_TYPE); 14493 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14494 14495 // Query all live verifiers based on current user state 14496 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14497 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14498 14499 if (DEBUG_VERIFY) { 14500 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14501 + verification.toString() + " with " + pkgLite.verifiers.length 14502 + " optional verifiers"); 14503 } 14504 14505 final int verificationId = mPendingVerificationToken++; 14506 14507 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14508 14509 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14510 installerPackageName); 14511 14512 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14513 installFlags); 14514 14515 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14516 pkgLite.packageName); 14517 14518 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14519 pkgLite.versionCode); 14520 14521 if (verificationInfo != null) { 14522 if (verificationInfo.originatingUri != null) { 14523 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14524 verificationInfo.originatingUri); 14525 } 14526 if (verificationInfo.referrer != null) { 14527 verification.putExtra(Intent.EXTRA_REFERRER, 14528 verificationInfo.referrer); 14529 } 14530 if (verificationInfo.originatingUid >= 0) { 14531 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14532 verificationInfo.originatingUid); 14533 } 14534 if (verificationInfo.installerUid >= 0) { 14535 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14536 verificationInfo.installerUid); 14537 } 14538 } 14539 14540 final PackageVerificationState verificationState = new PackageVerificationState( 14541 requiredUid, args); 14542 14543 mPendingVerification.append(verificationId, verificationState); 14544 14545 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14546 receivers, verificationState); 14547 14548 /* 14549 * If any sufficient verifiers were listed in the package 14550 * manifest, attempt to ask them. 14551 */ 14552 if (sufficientVerifiers != null) { 14553 final int N = sufficientVerifiers.size(); 14554 if (N == 0) { 14555 Slog.i(TAG, "Additional verifiers required, but none installed."); 14556 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14557 } else { 14558 for (int i = 0; i < N; i++) { 14559 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14560 14561 final Intent sufficientIntent = new Intent(verification); 14562 sufficientIntent.setComponent(verifierComponent); 14563 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14564 } 14565 } 14566 } 14567 14568 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14569 mRequiredVerifierPackage, receivers); 14570 if (ret == PackageManager.INSTALL_SUCCEEDED 14571 && mRequiredVerifierPackage != null) { 14572 Trace.asyncTraceBegin( 14573 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14574 /* 14575 * Send the intent to the required verification agent, 14576 * but only start the verification timeout after the 14577 * target BroadcastReceivers have run. 14578 */ 14579 verification.setComponent(requiredVerifierComponent); 14580 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14581 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14582 new BroadcastReceiver() { 14583 @Override 14584 public void onReceive(Context context, Intent intent) { 14585 final Message msg = mHandler 14586 .obtainMessage(CHECK_PENDING_VERIFICATION); 14587 msg.arg1 = verificationId; 14588 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14589 } 14590 }, null, 0, null, null); 14591 14592 /* 14593 * We don't want the copy to proceed until verification 14594 * succeeds, so null out this field. 14595 */ 14596 mArgs = null; 14597 } 14598 } else { 14599 /* 14600 * No package verification is enabled, so immediately start 14601 * the remote call to initiate copy using temporary file. 14602 */ 14603 ret = args.copyApk(mContainerService, true); 14604 } 14605 } 14606 14607 mRet = ret; 14608 } 14609 14610 @Override 14611 void handleReturnCode() { 14612 // If mArgs is null, then MCS couldn't be reached. When it 14613 // reconnects, it will try again to install. At that point, this 14614 // will succeed. 14615 if (mArgs != null) { 14616 processPendingInstall(mArgs, mRet); 14617 } 14618 } 14619 14620 @Override 14621 void handleServiceError() { 14622 mArgs = createInstallArgs(this); 14623 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14624 } 14625 14626 public boolean isForwardLocked() { 14627 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14628 } 14629 } 14630 14631 /** 14632 * Used during creation of InstallArgs 14633 * 14634 * @param installFlags package installation flags 14635 * @return true if should be installed on external storage 14636 */ 14637 private static boolean installOnExternalAsec(int installFlags) { 14638 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14639 return false; 14640 } 14641 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14642 return true; 14643 } 14644 return false; 14645 } 14646 14647 /** 14648 * Used during creation of InstallArgs 14649 * 14650 * @param installFlags package installation flags 14651 * @return true if should be installed as forward locked 14652 */ 14653 private static boolean installForwardLocked(int installFlags) { 14654 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14655 } 14656 14657 private InstallArgs createInstallArgs(InstallParams params) { 14658 if (params.move != null) { 14659 return new MoveInstallArgs(params); 14660 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14661 return new AsecInstallArgs(params); 14662 } else { 14663 return new FileInstallArgs(params); 14664 } 14665 } 14666 14667 /** 14668 * Create args that describe an existing installed package. Typically used 14669 * when cleaning up old installs, or used as a move source. 14670 */ 14671 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14672 String resourcePath, String[] instructionSets) { 14673 final boolean isInAsec; 14674 if (installOnExternalAsec(installFlags)) { 14675 /* Apps on SD card are always in ASEC containers. */ 14676 isInAsec = true; 14677 } else if (installForwardLocked(installFlags) 14678 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14679 /* 14680 * Forward-locked apps are only in ASEC containers if they're the 14681 * new style 14682 */ 14683 isInAsec = true; 14684 } else { 14685 isInAsec = false; 14686 } 14687 14688 if (isInAsec) { 14689 return new AsecInstallArgs(codePath, instructionSets, 14690 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14691 } else { 14692 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14693 } 14694 } 14695 14696 static abstract class InstallArgs { 14697 /** @see InstallParams#origin */ 14698 final OriginInfo origin; 14699 /** @see InstallParams#move */ 14700 final MoveInfo move; 14701 14702 final IPackageInstallObserver2 observer; 14703 // Always refers to PackageManager flags only 14704 final int installFlags; 14705 final String installerPackageName; 14706 final String volumeUuid; 14707 final UserHandle user; 14708 final String abiOverride; 14709 final String[] installGrantPermissions; 14710 /** If non-null, drop an async trace when the install completes */ 14711 final String traceMethod; 14712 final int traceCookie; 14713 final Certificate[][] certificates; 14714 final int installReason; 14715 14716 // The list of instruction sets supported by this app. This is currently 14717 // only used during the rmdex() phase to clean up resources. We can get rid of this 14718 // if we move dex files under the common app path. 14719 /* nullable */ String[] instructionSets; 14720 14721 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14722 int installFlags, String installerPackageName, String volumeUuid, 14723 UserHandle user, String[] instructionSets, 14724 String abiOverride, String[] installGrantPermissions, 14725 String traceMethod, int traceCookie, Certificate[][] certificates, 14726 int installReason) { 14727 this.origin = origin; 14728 this.move = move; 14729 this.installFlags = installFlags; 14730 this.observer = observer; 14731 this.installerPackageName = installerPackageName; 14732 this.volumeUuid = volumeUuid; 14733 this.user = user; 14734 this.instructionSets = instructionSets; 14735 this.abiOverride = abiOverride; 14736 this.installGrantPermissions = installGrantPermissions; 14737 this.traceMethod = traceMethod; 14738 this.traceCookie = traceCookie; 14739 this.certificates = certificates; 14740 this.installReason = installReason; 14741 } 14742 14743 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14744 abstract int doPreInstall(int status); 14745 14746 /** 14747 * Rename package into final resting place. All paths on the given 14748 * scanned package should be updated to reflect the rename. 14749 */ 14750 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14751 abstract int doPostInstall(int status, int uid); 14752 14753 /** @see PackageSettingBase#codePathString */ 14754 abstract String getCodePath(); 14755 /** @see PackageSettingBase#resourcePathString */ 14756 abstract String getResourcePath(); 14757 14758 // Need installer lock especially for dex file removal. 14759 abstract void cleanUpResourcesLI(); 14760 abstract boolean doPostDeleteLI(boolean delete); 14761 14762 /** 14763 * Called before the source arguments are copied. This is used mostly 14764 * for MoveParams when it needs to read the source file to put it in the 14765 * destination. 14766 */ 14767 int doPreCopy() { 14768 return PackageManager.INSTALL_SUCCEEDED; 14769 } 14770 14771 /** 14772 * Called after the source arguments are copied. This is used mostly for 14773 * MoveParams when it needs to read the source file to put it in the 14774 * destination. 14775 */ 14776 int doPostCopy(int uid) { 14777 return PackageManager.INSTALL_SUCCEEDED; 14778 } 14779 14780 protected boolean isFwdLocked() { 14781 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14782 } 14783 14784 protected boolean isExternalAsec() { 14785 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14786 } 14787 14788 protected boolean isEphemeral() { 14789 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14790 } 14791 14792 UserHandle getUser() { 14793 return user; 14794 } 14795 } 14796 14797 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14798 if (!allCodePaths.isEmpty()) { 14799 if (instructionSets == null) { 14800 throw new IllegalStateException("instructionSet == null"); 14801 } 14802 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14803 for (String codePath : allCodePaths) { 14804 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14805 try { 14806 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14807 } catch (InstallerException ignored) { 14808 } 14809 } 14810 } 14811 } 14812 } 14813 14814 /** 14815 * Logic to handle installation of non-ASEC applications, including copying 14816 * and renaming logic. 14817 */ 14818 class FileInstallArgs extends InstallArgs { 14819 private File codeFile; 14820 private File resourceFile; 14821 14822 // Example topology: 14823 // /data/app/com.example/base.apk 14824 // /data/app/com.example/split_foo.apk 14825 // /data/app/com.example/lib/arm/libfoo.so 14826 // /data/app/com.example/lib/arm64/libfoo.so 14827 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14828 14829 /** New install */ 14830 FileInstallArgs(InstallParams params) { 14831 super(params.origin, params.move, params.observer, params.installFlags, 14832 params.installerPackageName, params.volumeUuid, 14833 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14834 params.grantedRuntimePermissions, 14835 params.traceMethod, params.traceCookie, params.certificates, 14836 params.installReason); 14837 if (isFwdLocked()) { 14838 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14839 } 14840 } 14841 14842 /** Existing install */ 14843 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14844 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14845 null, null, null, 0, null /*certificates*/, 14846 PackageManager.INSTALL_REASON_UNKNOWN); 14847 this.codeFile = (codePath != null) ? new File(codePath) : null; 14848 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14849 } 14850 14851 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14852 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14853 try { 14854 return doCopyApk(imcs, temp); 14855 } finally { 14856 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14857 } 14858 } 14859 14860 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14861 if (origin.staged) { 14862 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14863 codeFile = origin.file; 14864 resourceFile = origin.file; 14865 return PackageManager.INSTALL_SUCCEEDED; 14866 } 14867 14868 try { 14869 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 14870 final File tempDir = 14871 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14872 codeFile = tempDir; 14873 resourceFile = tempDir; 14874 } catch (IOException e) { 14875 Slog.w(TAG, "Failed to create copy file: " + e); 14876 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14877 } 14878 14879 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14880 @Override 14881 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14882 if (!FileUtils.isValidExtFilename(name)) { 14883 throw new IllegalArgumentException("Invalid filename: " + name); 14884 } 14885 try { 14886 final File file = new File(codeFile, name); 14887 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14888 O_RDWR | O_CREAT, 0644); 14889 Os.chmod(file.getAbsolutePath(), 0644); 14890 return new ParcelFileDescriptor(fd); 14891 } catch (ErrnoException e) { 14892 throw new RemoteException("Failed to open: " + e.getMessage()); 14893 } 14894 } 14895 }; 14896 14897 int ret = PackageManager.INSTALL_SUCCEEDED; 14898 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14899 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14900 Slog.e(TAG, "Failed to copy package"); 14901 return ret; 14902 } 14903 14904 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14905 NativeLibraryHelper.Handle handle = null; 14906 try { 14907 handle = NativeLibraryHelper.Handle.create(codeFile); 14908 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14909 abiOverride); 14910 } catch (IOException e) { 14911 Slog.e(TAG, "Copying native libraries failed", e); 14912 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14913 } finally { 14914 IoUtils.closeQuietly(handle); 14915 } 14916 14917 return ret; 14918 } 14919 14920 int doPreInstall(int status) { 14921 if (status != PackageManager.INSTALL_SUCCEEDED) { 14922 cleanUp(); 14923 } 14924 return status; 14925 } 14926 14927 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14928 if (status != PackageManager.INSTALL_SUCCEEDED) { 14929 cleanUp(); 14930 return false; 14931 } 14932 14933 final File targetDir = codeFile.getParentFile(); 14934 final File beforeCodeFile = codeFile; 14935 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14936 14937 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 14938 try { 14939 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 14940 } catch (ErrnoException e) { 14941 Slog.w(TAG, "Failed to rename", e); 14942 return false; 14943 } 14944 14945 if (!SELinux.restoreconRecursive(afterCodeFile)) { 14946 Slog.w(TAG, "Failed to restorecon"); 14947 return false; 14948 } 14949 14950 // Reflect the rename internally 14951 codeFile = afterCodeFile; 14952 resourceFile = afterCodeFile; 14953 14954 // Reflect the rename in scanned details 14955 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14956 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14957 afterCodeFile, pkg.baseCodePath)); 14958 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14959 afterCodeFile, pkg.splitCodePaths)); 14960 14961 // Reflect the rename in app info 14962 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14963 pkg.setApplicationInfoCodePath(pkg.codePath); 14964 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14965 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14966 pkg.setApplicationInfoResourcePath(pkg.codePath); 14967 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14968 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14969 14970 return true; 14971 } 14972 14973 int doPostInstall(int status, int uid) { 14974 if (status != PackageManager.INSTALL_SUCCEEDED) { 14975 cleanUp(); 14976 } 14977 return status; 14978 } 14979 14980 @Override 14981 String getCodePath() { 14982 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14983 } 14984 14985 @Override 14986 String getResourcePath() { 14987 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14988 } 14989 14990 private boolean cleanUp() { 14991 if (codeFile == null || !codeFile.exists()) { 14992 return false; 14993 } 14994 14995 removeCodePathLI(codeFile); 14996 14997 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 14998 resourceFile.delete(); 14999 } 15000 15001 return true; 15002 } 15003 15004 void cleanUpResourcesLI() { 15005 // Try enumerating all code paths before deleting 15006 List<String> allCodePaths = Collections.EMPTY_LIST; 15007 if (codeFile != null && codeFile.exists()) { 15008 try { 15009 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15010 allCodePaths = pkg.getAllCodePaths(); 15011 } catch (PackageParserException e) { 15012 // Ignored; we tried our best 15013 } 15014 } 15015 15016 cleanUp(); 15017 removeDexFiles(allCodePaths, instructionSets); 15018 } 15019 15020 boolean doPostDeleteLI(boolean delete) { 15021 // XXX err, shouldn't we respect the delete flag? 15022 cleanUpResourcesLI(); 15023 return true; 15024 } 15025 } 15026 15027 private boolean isAsecExternal(String cid) { 15028 final String asecPath = PackageHelper.getSdFilesystem(cid); 15029 return !asecPath.startsWith(mAsecInternalPath); 15030 } 15031 15032 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15033 PackageManagerException { 15034 if (copyRet < 0) { 15035 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15036 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15037 throw new PackageManagerException(copyRet, message); 15038 } 15039 } 15040 } 15041 15042 /** 15043 * Extract the StorageManagerService "container ID" from the full code path of an 15044 * .apk. 15045 */ 15046 static String cidFromCodePath(String fullCodePath) { 15047 int eidx = fullCodePath.lastIndexOf("/"); 15048 String subStr1 = fullCodePath.substring(0, eidx); 15049 int sidx = subStr1.lastIndexOf("/"); 15050 return subStr1.substring(sidx+1, eidx); 15051 } 15052 15053 /** 15054 * Logic to handle installation of ASEC applications, including copying and 15055 * renaming logic. 15056 */ 15057 class AsecInstallArgs extends InstallArgs { 15058 static final String RES_FILE_NAME = "pkg.apk"; 15059 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15060 15061 String cid; 15062 String packagePath; 15063 String resourcePath; 15064 15065 /** New install */ 15066 AsecInstallArgs(InstallParams params) { 15067 super(params.origin, params.move, params.observer, params.installFlags, 15068 params.installerPackageName, params.volumeUuid, 15069 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15070 params.grantedRuntimePermissions, 15071 params.traceMethod, params.traceCookie, params.certificates, 15072 params.installReason); 15073 } 15074 15075 /** Existing install */ 15076 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15077 boolean isExternal, boolean isForwardLocked) { 15078 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15079 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15080 instructionSets, null, null, null, 0, null /*certificates*/, 15081 PackageManager.INSTALL_REASON_UNKNOWN); 15082 // Hackily pretend we're still looking at a full code path 15083 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15084 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15085 } 15086 15087 // Extract cid from fullCodePath 15088 int eidx = fullCodePath.lastIndexOf("/"); 15089 String subStr1 = fullCodePath.substring(0, eidx); 15090 int sidx = subStr1.lastIndexOf("/"); 15091 cid = subStr1.substring(sidx+1, eidx); 15092 setMountPath(subStr1); 15093 } 15094 15095 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15096 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15097 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15098 instructionSets, null, null, null, 0, null /*certificates*/, 15099 PackageManager.INSTALL_REASON_UNKNOWN); 15100 this.cid = cid; 15101 setMountPath(PackageHelper.getSdDir(cid)); 15102 } 15103 15104 void createCopyFile() { 15105 cid = mInstallerService.allocateExternalStageCidLegacy(); 15106 } 15107 15108 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15109 if (origin.staged && origin.cid != null) { 15110 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15111 cid = origin.cid; 15112 setMountPath(PackageHelper.getSdDir(cid)); 15113 return PackageManager.INSTALL_SUCCEEDED; 15114 } 15115 15116 if (temp) { 15117 createCopyFile(); 15118 } else { 15119 /* 15120 * Pre-emptively destroy the container since it's destroyed if 15121 * copying fails due to it existing anyway. 15122 */ 15123 PackageHelper.destroySdDir(cid); 15124 } 15125 15126 final String newMountPath = imcs.copyPackageToContainer( 15127 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15128 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15129 15130 if (newMountPath != null) { 15131 setMountPath(newMountPath); 15132 return PackageManager.INSTALL_SUCCEEDED; 15133 } else { 15134 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15135 } 15136 } 15137 15138 @Override 15139 String getCodePath() { 15140 return packagePath; 15141 } 15142 15143 @Override 15144 String getResourcePath() { 15145 return resourcePath; 15146 } 15147 15148 int doPreInstall(int status) { 15149 if (status != PackageManager.INSTALL_SUCCEEDED) { 15150 // Destroy container 15151 PackageHelper.destroySdDir(cid); 15152 } else { 15153 boolean mounted = PackageHelper.isContainerMounted(cid); 15154 if (!mounted) { 15155 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15156 Process.SYSTEM_UID); 15157 if (newMountPath != null) { 15158 setMountPath(newMountPath); 15159 } else { 15160 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15161 } 15162 } 15163 } 15164 return status; 15165 } 15166 15167 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15168 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15169 String newMountPath = null; 15170 if (PackageHelper.isContainerMounted(cid)) { 15171 // Unmount the container 15172 if (!PackageHelper.unMountSdDir(cid)) { 15173 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15174 return false; 15175 } 15176 } 15177 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15178 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15179 " which might be stale. Will try to clean up."); 15180 // Clean up the stale container and proceed to recreate. 15181 if (!PackageHelper.destroySdDir(newCacheId)) { 15182 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15183 return false; 15184 } 15185 // Successfully cleaned up stale container. Try to rename again. 15186 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15187 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15188 + " inspite of cleaning it up."); 15189 return false; 15190 } 15191 } 15192 if (!PackageHelper.isContainerMounted(newCacheId)) { 15193 Slog.w(TAG, "Mounting container " + newCacheId); 15194 newMountPath = PackageHelper.mountSdDir(newCacheId, 15195 getEncryptKey(), Process.SYSTEM_UID); 15196 } else { 15197 newMountPath = PackageHelper.getSdDir(newCacheId); 15198 } 15199 if (newMountPath == null) { 15200 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15201 return false; 15202 } 15203 Log.i(TAG, "Succesfully renamed " + cid + 15204 " to " + newCacheId + 15205 " at new path: " + newMountPath); 15206 cid = newCacheId; 15207 15208 final File beforeCodeFile = new File(packagePath); 15209 setMountPath(newMountPath); 15210 final File afterCodeFile = new File(packagePath); 15211 15212 // Reflect the rename in scanned details 15213 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15214 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15215 afterCodeFile, pkg.baseCodePath)); 15216 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15217 afterCodeFile, pkg.splitCodePaths)); 15218 15219 // Reflect the rename in app info 15220 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15221 pkg.setApplicationInfoCodePath(pkg.codePath); 15222 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15223 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15224 pkg.setApplicationInfoResourcePath(pkg.codePath); 15225 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15226 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15227 15228 return true; 15229 } 15230 15231 private void setMountPath(String mountPath) { 15232 final File mountFile = new File(mountPath); 15233 15234 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15235 if (monolithicFile.exists()) { 15236 packagePath = monolithicFile.getAbsolutePath(); 15237 if (isFwdLocked()) { 15238 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15239 } else { 15240 resourcePath = packagePath; 15241 } 15242 } else { 15243 packagePath = mountFile.getAbsolutePath(); 15244 resourcePath = packagePath; 15245 } 15246 } 15247 15248 int doPostInstall(int status, int uid) { 15249 if (status != PackageManager.INSTALL_SUCCEEDED) { 15250 cleanUp(); 15251 } else { 15252 final int groupOwner; 15253 final String protectedFile; 15254 if (isFwdLocked()) { 15255 groupOwner = UserHandle.getSharedAppGid(uid); 15256 protectedFile = RES_FILE_NAME; 15257 } else { 15258 groupOwner = -1; 15259 protectedFile = null; 15260 } 15261 15262 if (uid < Process.FIRST_APPLICATION_UID 15263 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15264 Slog.e(TAG, "Failed to finalize " + cid); 15265 PackageHelper.destroySdDir(cid); 15266 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15267 } 15268 15269 boolean mounted = PackageHelper.isContainerMounted(cid); 15270 if (!mounted) { 15271 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15272 } 15273 } 15274 return status; 15275 } 15276 15277 private void cleanUp() { 15278 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15279 15280 // Destroy secure container 15281 PackageHelper.destroySdDir(cid); 15282 } 15283 15284 private List<String> getAllCodePaths() { 15285 final File codeFile = new File(getCodePath()); 15286 if (codeFile != null && codeFile.exists()) { 15287 try { 15288 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15289 return pkg.getAllCodePaths(); 15290 } catch (PackageParserException e) { 15291 // Ignored; we tried our best 15292 } 15293 } 15294 return Collections.EMPTY_LIST; 15295 } 15296 15297 void cleanUpResourcesLI() { 15298 // Enumerate all code paths before deleting 15299 cleanUpResourcesLI(getAllCodePaths()); 15300 } 15301 15302 private void cleanUpResourcesLI(List<String> allCodePaths) { 15303 cleanUp(); 15304 removeDexFiles(allCodePaths, instructionSets); 15305 } 15306 15307 String getPackageName() { 15308 return getAsecPackageName(cid); 15309 } 15310 15311 boolean doPostDeleteLI(boolean delete) { 15312 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15313 final List<String> allCodePaths = getAllCodePaths(); 15314 boolean mounted = PackageHelper.isContainerMounted(cid); 15315 if (mounted) { 15316 // Unmount first 15317 if (PackageHelper.unMountSdDir(cid)) { 15318 mounted = false; 15319 } 15320 } 15321 if (!mounted && delete) { 15322 cleanUpResourcesLI(allCodePaths); 15323 } 15324 return !mounted; 15325 } 15326 15327 @Override 15328 int doPreCopy() { 15329 if (isFwdLocked()) { 15330 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15331 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15332 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15333 } 15334 } 15335 15336 return PackageManager.INSTALL_SUCCEEDED; 15337 } 15338 15339 @Override 15340 int doPostCopy(int uid) { 15341 if (isFwdLocked()) { 15342 if (uid < Process.FIRST_APPLICATION_UID 15343 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15344 RES_FILE_NAME)) { 15345 Slog.e(TAG, "Failed to finalize " + cid); 15346 PackageHelper.destroySdDir(cid); 15347 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15348 } 15349 } 15350 15351 return PackageManager.INSTALL_SUCCEEDED; 15352 } 15353 } 15354 15355 /** 15356 * Logic to handle movement of existing installed applications. 15357 */ 15358 class MoveInstallArgs extends InstallArgs { 15359 private File codeFile; 15360 private File resourceFile; 15361 15362 /** New install */ 15363 MoveInstallArgs(InstallParams params) { 15364 super(params.origin, params.move, params.observer, params.installFlags, 15365 params.installerPackageName, params.volumeUuid, 15366 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15367 params.grantedRuntimePermissions, 15368 params.traceMethod, params.traceCookie, params.certificates, 15369 params.installReason); 15370 } 15371 15372 int copyApk(IMediaContainerService imcs, boolean temp) { 15373 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15374 + move.fromUuid + " to " + move.toUuid); 15375 synchronized (mInstaller) { 15376 try { 15377 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15378 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15379 } catch (InstallerException e) { 15380 Slog.w(TAG, "Failed to move app", e); 15381 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15382 } 15383 } 15384 15385 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15386 resourceFile = codeFile; 15387 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15388 15389 return PackageManager.INSTALL_SUCCEEDED; 15390 } 15391 15392 int doPreInstall(int status) { 15393 if (status != PackageManager.INSTALL_SUCCEEDED) { 15394 cleanUp(move.toUuid); 15395 } 15396 return status; 15397 } 15398 15399 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15400 if (status != PackageManager.INSTALL_SUCCEEDED) { 15401 cleanUp(move.toUuid); 15402 return false; 15403 } 15404 15405 // Reflect the move in app info 15406 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15407 pkg.setApplicationInfoCodePath(pkg.codePath); 15408 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15409 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15410 pkg.setApplicationInfoResourcePath(pkg.codePath); 15411 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15412 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15413 15414 return true; 15415 } 15416 15417 int doPostInstall(int status, int uid) { 15418 if (status == PackageManager.INSTALL_SUCCEEDED) { 15419 cleanUp(move.fromUuid); 15420 } else { 15421 cleanUp(move.toUuid); 15422 } 15423 return status; 15424 } 15425 15426 @Override 15427 String getCodePath() { 15428 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15429 } 15430 15431 @Override 15432 String getResourcePath() { 15433 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15434 } 15435 15436 private boolean cleanUp(String volumeUuid) { 15437 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15438 move.dataAppName); 15439 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15440 final int[] userIds = sUserManager.getUserIds(); 15441 synchronized (mInstallLock) { 15442 // Clean up both app data and code 15443 // All package moves are frozen until finished 15444 for (int userId : userIds) { 15445 try { 15446 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15447 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15448 } catch (InstallerException e) { 15449 Slog.w(TAG, String.valueOf(e)); 15450 } 15451 } 15452 removeCodePathLI(codeFile); 15453 } 15454 return true; 15455 } 15456 15457 void cleanUpResourcesLI() { 15458 throw new UnsupportedOperationException(); 15459 } 15460 15461 boolean doPostDeleteLI(boolean delete) { 15462 throw new UnsupportedOperationException(); 15463 } 15464 } 15465 15466 static String getAsecPackageName(String packageCid) { 15467 int idx = packageCid.lastIndexOf("-"); 15468 if (idx == -1) { 15469 return packageCid; 15470 } 15471 return packageCid.substring(0, idx); 15472 } 15473 15474 // Utility method used to create code paths based on package name and available index. 15475 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15476 String idxStr = ""; 15477 int idx = 1; 15478 // Fall back to default value of idx=1 if prefix is not 15479 // part of oldCodePath 15480 if (oldCodePath != null) { 15481 String subStr = oldCodePath; 15482 // Drop the suffix right away 15483 if (suffix != null && subStr.endsWith(suffix)) { 15484 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15485 } 15486 // If oldCodePath already contains prefix find out the 15487 // ending index to either increment or decrement. 15488 int sidx = subStr.lastIndexOf(prefix); 15489 if (sidx != -1) { 15490 subStr = subStr.substring(sidx + prefix.length()); 15491 if (subStr != null) { 15492 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15493 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15494 } 15495 try { 15496 idx = Integer.parseInt(subStr); 15497 if (idx <= 1) { 15498 idx++; 15499 } else { 15500 idx--; 15501 } 15502 } catch(NumberFormatException e) { 15503 } 15504 } 15505 } 15506 } 15507 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15508 return prefix + idxStr; 15509 } 15510 15511 private File getNextCodePath(File targetDir, String packageName) { 15512 File result; 15513 SecureRandom random = new SecureRandom(); 15514 byte[] bytes = new byte[16]; 15515 do { 15516 random.nextBytes(bytes); 15517 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15518 result = new File(targetDir, packageName + "-" + suffix); 15519 } while (result.exists()); 15520 return result; 15521 } 15522 15523 // Utility method that returns the relative package path with respect 15524 // to the installation directory. Like say for /data/data/com.test-1.apk 15525 // string com.test-1 is returned. 15526 static String deriveCodePathName(String codePath) { 15527 if (codePath == null) { 15528 return null; 15529 } 15530 final File codeFile = new File(codePath); 15531 final String name = codeFile.getName(); 15532 if (codeFile.isDirectory()) { 15533 return name; 15534 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15535 final int lastDot = name.lastIndexOf('.'); 15536 return name.substring(0, lastDot); 15537 } else { 15538 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15539 return null; 15540 } 15541 } 15542 15543 static class PackageInstalledInfo { 15544 String name; 15545 int uid; 15546 // The set of users that originally had this package installed. 15547 int[] origUsers; 15548 // The set of users that now have this package installed. 15549 int[] newUsers; 15550 PackageParser.Package pkg; 15551 int returnCode; 15552 String returnMsg; 15553 PackageRemovedInfo removedInfo; 15554 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15555 15556 public void setError(int code, String msg) { 15557 setReturnCode(code); 15558 setReturnMessage(msg); 15559 Slog.w(TAG, msg); 15560 } 15561 15562 public void setError(String msg, PackageParserException e) { 15563 setReturnCode(e.error); 15564 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15565 Slog.w(TAG, msg, e); 15566 } 15567 15568 public void setError(String msg, PackageManagerException e) { 15569 returnCode = e.error; 15570 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15571 Slog.w(TAG, msg, e); 15572 } 15573 15574 public void setReturnCode(int returnCode) { 15575 this.returnCode = returnCode; 15576 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15577 for (int i = 0; i < childCount; i++) { 15578 addedChildPackages.valueAt(i).returnCode = returnCode; 15579 } 15580 } 15581 15582 private void setReturnMessage(String returnMsg) { 15583 this.returnMsg = returnMsg; 15584 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15585 for (int i = 0; i < childCount; i++) { 15586 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15587 } 15588 } 15589 15590 // In some error cases we want to convey more info back to the observer 15591 String origPackage; 15592 String origPermission; 15593 } 15594 15595 /* 15596 * Install a non-existing package. 15597 */ 15598 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15599 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15600 PackageInstalledInfo res, int installReason) { 15601 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15602 15603 // Remember this for later, in case we need to rollback this install 15604 String pkgName = pkg.packageName; 15605 15606 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15607 15608 synchronized(mPackages) { 15609 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15610 if (renamedPackage != null) { 15611 // A package with the same name is already installed, though 15612 // it has been renamed to an older name. The package we 15613 // are trying to install should be installed as an update to 15614 // the existing one, but that has not been requested, so bail. 15615 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15616 + " without first uninstalling package running as " 15617 + renamedPackage); 15618 return; 15619 } 15620 if (mPackages.containsKey(pkgName)) { 15621 // Don't allow installation over an existing package with the same name. 15622 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15623 + " without first uninstalling."); 15624 return; 15625 } 15626 } 15627 15628 try { 15629 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15630 System.currentTimeMillis(), user); 15631 15632 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15633 15634 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15635 prepareAppDataAfterInstallLIF(newPackage); 15636 15637 } else { 15638 // Remove package from internal structures, but keep around any 15639 // data that might have already existed 15640 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15641 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15642 } 15643 } catch (PackageManagerException e) { 15644 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15645 } 15646 15647 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15648 } 15649 15650 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15651 // Can't rotate keys during boot or if sharedUser. 15652 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15653 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15654 return false; 15655 } 15656 // app is using upgradeKeySets; make sure all are valid 15657 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15658 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15659 for (int i = 0; i < upgradeKeySets.length; i++) { 15660 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15661 Slog.wtf(TAG, "Package " 15662 + (oldPs.name != null ? oldPs.name : "<null>") 15663 + " contains upgrade-key-set reference to unknown key-set: " 15664 + upgradeKeySets[i] 15665 + " reverting to signatures check."); 15666 return false; 15667 } 15668 } 15669 return true; 15670 } 15671 15672 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15673 // Upgrade keysets are being used. Determine if new package has a superset of the 15674 // required keys. 15675 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15676 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15677 for (int i = 0; i < upgradeKeySets.length; i++) { 15678 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15679 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15680 return true; 15681 } 15682 } 15683 return false; 15684 } 15685 15686 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15687 try (DigestInputStream digestStream = 15688 new DigestInputStream(new FileInputStream(file), digest)) { 15689 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15690 } 15691 } 15692 15693 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15694 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15695 int installReason) { 15696 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 15697 15698 final PackageParser.Package oldPackage; 15699 final String pkgName = pkg.packageName; 15700 final int[] allUsers; 15701 final int[] installedUsers; 15702 15703 synchronized(mPackages) { 15704 oldPackage = mPackages.get(pkgName); 15705 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15706 15707 // don't allow upgrade to target a release SDK from a pre-release SDK 15708 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15709 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15710 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15711 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15712 if (oldTargetsPreRelease 15713 && !newTargetsPreRelease 15714 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15715 Slog.w(TAG, "Can't install package targeting released sdk"); 15716 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15717 return; 15718 } 15719 15720 // don't allow an upgrade from full to ephemeral 15721 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 15722 if (isEphemeral && !oldIsEphemeral) { 15723 // can't downgrade from full to ephemeral 15724 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 15725 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 15726 return; 15727 } 15728 15729 // verify signatures are valid 15730 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15731 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15732 if (!checkUpgradeKeySetLP(ps, pkg)) { 15733 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15734 "New package not signed by keys specified by upgrade-keysets: " 15735 + pkgName); 15736 return; 15737 } 15738 } else { 15739 // default to original signature matching 15740 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15741 != PackageManager.SIGNATURE_MATCH) { 15742 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15743 "New package has a different signature: " + pkgName); 15744 return; 15745 } 15746 } 15747 15748 // don't allow a system upgrade unless the upgrade hash matches 15749 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15750 byte[] digestBytes = null; 15751 try { 15752 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15753 updateDigest(digest, new File(pkg.baseCodePath)); 15754 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15755 for (String path : pkg.splitCodePaths) { 15756 updateDigest(digest, new File(path)); 15757 } 15758 } 15759 digestBytes = digest.digest(); 15760 } catch (NoSuchAlgorithmException | IOException e) { 15761 res.setError(INSTALL_FAILED_INVALID_APK, 15762 "Could not compute hash: " + pkgName); 15763 return; 15764 } 15765 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15766 res.setError(INSTALL_FAILED_INVALID_APK, 15767 "New package fails restrict-update check: " + pkgName); 15768 return; 15769 } 15770 // retain upgrade restriction 15771 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15772 } 15773 15774 // Check for shared user id changes 15775 String invalidPackageName = 15776 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15777 if (invalidPackageName != null) { 15778 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15779 "Package " + invalidPackageName + " tried to change user " 15780 + oldPackage.mSharedUserId); 15781 return; 15782 } 15783 15784 // In case of rollback, remember per-user/profile install state 15785 allUsers = sUserManager.getUserIds(); 15786 installedUsers = ps.queryInstalledUsers(allUsers, true); 15787 } 15788 15789 // Update what is removed 15790 res.removedInfo = new PackageRemovedInfo(); 15791 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15792 res.removedInfo.removedPackage = oldPackage.packageName; 15793 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15794 res.removedInfo.isUpdate = true; 15795 res.removedInfo.origUsers = installedUsers; 15796 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15797 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15798 for (int i = 0; i < installedUsers.length; i++) { 15799 final int userId = installedUsers[i]; 15800 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15801 } 15802 15803 final int childCount = (oldPackage.childPackages != null) 15804 ? oldPackage.childPackages.size() : 0; 15805 for (int i = 0; i < childCount; i++) { 15806 boolean childPackageUpdated = false; 15807 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15808 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15809 if (res.addedChildPackages != null) { 15810 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15811 if (childRes != null) { 15812 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15813 childRes.removedInfo.removedPackage = childPkg.packageName; 15814 childRes.removedInfo.isUpdate = true; 15815 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15816 childPackageUpdated = true; 15817 } 15818 } 15819 if (!childPackageUpdated) { 15820 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15821 childRemovedRes.removedPackage = childPkg.packageName; 15822 childRemovedRes.isUpdate = false; 15823 childRemovedRes.dataRemoved = true; 15824 synchronized (mPackages) { 15825 if (childPs != null) { 15826 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15827 } 15828 } 15829 if (res.removedInfo.removedChildPackages == null) { 15830 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15831 } 15832 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15833 } 15834 } 15835 15836 boolean sysPkg = (isSystemApp(oldPackage)); 15837 if (sysPkg) { 15838 // Set the system/privileged flags as needed 15839 final boolean privileged = 15840 (oldPackage.applicationInfo.privateFlags 15841 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15842 final int systemPolicyFlags = policyFlags 15843 | PackageParser.PARSE_IS_SYSTEM 15844 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15845 15846 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15847 user, allUsers, installerPackageName, res, installReason); 15848 } else { 15849 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15850 user, allUsers, installerPackageName, res, installReason); 15851 } 15852 } 15853 15854 public List<String> getPreviousCodePaths(String packageName) { 15855 final PackageSetting ps = mSettings.mPackages.get(packageName); 15856 final List<String> result = new ArrayList<String>(); 15857 if (ps != null && ps.oldCodePaths != null) { 15858 result.addAll(ps.oldCodePaths); 15859 } 15860 return result; 15861 } 15862 15863 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15864 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15865 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15866 int installReason) { 15867 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15868 + deletedPackage); 15869 15870 String pkgName = deletedPackage.packageName; 15871 boolean deletedPkg = true; 15872 boolean addedPkg = false; 15873 boolean updatedSettings = false; 15874 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15875 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15876 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15877 15878 final long origUpdateTime = (pkg.mExtras != null) 15879 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15880 15881 // First delete the existing package while retaining the data directory 15882 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15883 res.removedInfo, true, pkg)) { 15884 // If the existing package wasn't successfully deleted 15885 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15886 deletedPkg = false; 15887 } else { 15888 // Successfully deleted the old package; proceed with replace. 15889 15890 // If deleted package lived in a container, give users a chance to 15891 // relinquish resources before killing. 15892 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15893 if (DEBUG_INSTALL) { 15894 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15895 } 15896 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15897 final ArrayList<String> pkgList = new ArrayList<String>(1); 15898 pkgList.add(deletedPackage.applicationInfo.packageName); 15899 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15900 } 15901 15902 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15903 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15904 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15905 15906 try { 15907 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15908 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15909 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15910 installReason); 15911 15912 // Update the in-memory copy of the previous code paths. 15913 PackageSetting ps = mSettings.mPackages.get(pkgName); 15914 if (!killApp) { 15915 if (ps.oldCodePaths == null) { 15916 ps.oldCodePaths = new ArraySet<>(); 15917 } 15918 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15919 if (deletedPackage.splitCodePaths != null) { 15920 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15921 } 15922 } else { 15923 ps.oldCodePaths = null; 15924 } 15925 if (ps.childPackageNames != null) { 15926 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 15927 final String childPkgName = ps.childPackageNames.get(i); 15928 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 15929 childPs.oldCodePaths = ps.oldCodePaths; 15930 } 15931 } 15932 prepareAppDataAfterInstallLIF(newPackage); 15933 addedPkg = true; 15934 } catch (PackageManagerException e) { 15935 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15936 } 15937 } 15938 15939 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15940 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 15941 15942 // Revert all internal state mutations and added folders for the failed install 15943 if (addedPkg) { 15944 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15945 res.removedInfo, true, null); 15946 } 15947 15948 // Restore the old package 15949 if (deletedPkg) { 15950 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 15951 File restoreFile = new File(deletedPackage.codePath); 15952 // Parse old package 15953 boolean oldExternal = isExternal(deletedPackage); 15954 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 15955 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 15956 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 15957 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 15958 try { 15959 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 15960 null); 15961 } catch (PackageManagerException e) { 15962 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 15963 + e.getMessage()); 15964 return; 15965 } 15966 15967 synchronized (mPackages) { 15968 // Ensure the installer package name up to date 15969 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15970 15971 // Update permissions for restored package 15972 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 15973 15974 mSettings.writeLPr(); 15975 } 15976 15977 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 15978 } 15979 } else { 15980 synchronized (mPackages) { 15981 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 15982 if (ps != null) { 15983 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15984 if (res.removedInfo.removedChildPackages != null) { 15985 final int childCount = res.removedInfo.removedChildPackages.size(); 15986 // Iterate in reverse as we may modify the collection 15987 for (int i = childCount - 1; i >= 0; i--) { 15988 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 15989 if (res.addedChildPackages.containsKey(childPackageName)) { 15990 res.removedInfo.removedChildPackages.removeAt(i); 15991 } else { 15992 PackageRemovedInfo childInfo = res.removedInfo 15993 .removedChildPackages.valueAt(i); 15994 childInfo.removedForAllUsers = mPackages.get( 15995 childInfo.removedPackage) == null; 15996 } 15997 } 15998 } 15999 } 16000 } 16001 } 16002 } 16003 16004 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16005 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16006 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16007 int installReason) { 16008 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16009 + ", old=" + deletedPackage); 16010 16011 final boolean disabledSystem; 16012 16013 // Remove existing system package 16014 removePackageLI(deletedPackage, true); 16015 16016 synchronized (mPackages) { 16017 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16018 } 16019 if (!disabledSystem) { 16020 // We didn't need to disable the .apk as a current system package, 16021 // which means we are replacing another update that is already 16022 // installed. We need to make sure to delete the older one's .apk. 16023 res.removedInfo.args = createInstallArgsForExisting(0, 16024 deletedPackage.applicationInfo.getCodePath(), 16025 deletedPackage.applicationInfo.getResourcePath(), 16026 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16027 } else { 16028 res.removedInfo.args = null; 16029 } 16030 16031 // Successfully disabled the old package. Now proceed with re-installation 16032 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16033 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16034 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16035 16036 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16037 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16038 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16039 16040 PackageParser.Package newPackage = null; 16041 try { 16042 // Add the package to the internal data structures 16043 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16044 16045 // Set the update and install times 16046 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16047 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16048 System.currentTimeMillis()); 16049 16050 // Update the package dynamic state if succeeded 16051 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16052 // Now that the install succeeded make sure we remove data 16053 // directories for any child package the update removed. 16054 final int deletedChildCount = (deletedPackage.childPackages != null) 16055 ? deletedPackage.childPackages.size() : 0; 16056 final int newChildCount = (newPackage.childPackages != null) 16057 ? newPackage.childPackages.size() : 0; 16058 for (int i = 0; i < deletedChildCount; i++) { 16059 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16060 boolean childPackageDeleted = true; 16061 for (int j = 0; j < newChildCount; j++) { 16062 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16063 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16064 childPackageDeleted = false; 16065 break; 16066 } 16067 } 16068 if (childPackageDeleted) { 16069 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16070 deletedChildPkg.packageName); 16071 if (ps != null && res.removedInfo.removedChildPackages != null) { 16072 PackageRemovedInfo removedChildRes = res.removedInfo 16073 .removedChildPackages.get(deletedChildPkg.packageName); 16074 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16075 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16076 } 16077 } 16078 } 16079 16080 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16081 installReason); 16082 prepareAppDataAfterInstallLIF(newPackage); 16083 } 16084 } catch (PackageManagerException e) { 16085 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16086 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16087 } 16088 16089 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16090 // Re installation failed. Restore old information 16091 // Remove new pkg information 16092 if (newPackage != null) { 16093 removeInstalledPackageLI(newPackage, true); 16094 } 16095 // Add back the old system package 16096 try { 16097 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16098 } catch (PackageManagerException e) { 16099 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16100 } 16101 16102 synchronized (mPackages) { 16103 if (disabledSystem) { 16104 enableSystemPackageLPw(deletedPackage); 16105 } 16106 16107 // Ensure the installer package name up to date 16108 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16109 16110 // Update permissions for restored package 16111 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16112 16113 mSettings.writeLPr(); 16114 } 16115 16116 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16117 + " after failed upgrade"); 16118 } 16119 } 16120 16121 /** 16122 * Checks whether the parent or any of the child packages have a change shared 16123 * user. For a package to be a valid update the shred users of the parent and 16124 * the children should match. We may later support changing child shared users. 16125 * @param oldPkg The updated package. 16126 * @param newPkg The update package. 16127 * @return The shared user that change between the versions. 16128 */ 16129 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16130 PackageParser.Package newPkg) { 16131 // Check parent shared user 16132 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16133 return newPkg.packageName; 16134 } 16135 // Check child shared users 16136 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16137 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16138 for (int i = 0; i < newChildCount; i++) { 16139 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16140 // If this child was present, did it have the same shared user? 16141 for (int j = 0; j < oldChildCount; j++) { 16142 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16143 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16144 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16145 return newChildPkg.packageName; 16146 } 16147 } 16148 } 16149 return null; 16150 } 16151 16152 private void removeNativeBinariesLI(PackageSetting ps) { 16153 // Remove the lib path for the parent package 16154 if (ps != null) { 16155 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16156 // Remove the lib path for the child packages 16157 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16158 for (int i = 0; i < childCount; i++) { 16159 PackageSetting childPs = null; 16160 synchronized (mPackages) { 16161 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16162 } 16163 if (childPs != null) { 16164 NativeLibraryHelper.removeNativeBinariesLI(childPs 16165 .legacyNativeLibraryPathString); 16166 } 16167 } 16168 } 16169 } 16170 16171 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16172 // Enable the parent package 16173 mSettings.enableSystemPackageLPw(pkg.packageName); 16174 // Enable the child packages 16175 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16176 for (int i = 0; i < childCount; i++) { 16177 PackageParser.Package childPkg = pkg.childPackages.get(i); 16178 mSettings.enableSystemPackageLPw(childPkg.packageName); 16179 } 16180 } 16181 16182 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16183 PackageParser.Package newPkg) { 16184 // Disable the parent package (parent always replaced) 16185 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16186 // Disable the child packages 16187 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16188 for (int i = 0; i < childCount; i++) { 16189 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16190 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16191 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16192 } 16193 return disabled; 16194 } 16195 16196 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16197 String installerPackageName) { 16198 // Enable the parent package 16199 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16200 // Enable the child packages 16201 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16202 for (int i = 0; i < childCount; i++) { 16203 PackageParser.Package childPkg = pkg.childPackages.get(i); 16204 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16205 } 16206 } 16207 16208 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16209 // Collect all used permissions in the UID 16210 ArraySet<String> usedPermissions = new ArraySet<>(); 16211 final int packageCount = su.packages.size(); 16212 for (int i = 0; i < packageCount; i++) { 16213 PackageSetting ps = su.packages.valueAt(i); 16214 if (ps.pkg == null) { 16215 continue; 16216 } 16217 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16218 for (int j = 0; j < requestedPermCount; j++) { 16219 String permission = ps.pkg.requestedPermissions.get(j); 16220 BasePermission bp = mSettings.mPermissions.get(permission); 16221 if (bp != null) { 16222 usedPermissions.add(permission); 16223 } 16224 } 16225 } 16226 16227 PermissionsState permissionsState = su.getPermissionsState(); 16228 // Prune install permissions 16229 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16230 final int installPermCount = installPermStates.size(); 16231 for (int i = installPermCount - 1; i >= 0; i--) { 16232 PermissionState permissionState = installPermStates.get(i); 16233 if (!usedPermissions.contains(permissionState.getName())) { 16234 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16235 if (bp != null) { 16236 permissionsState.revokeInstallPermission(bp); 16237 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16238 PackageManager.MASK_PERMISSION_FLAGS, 0); 16239 } 16240 } 16241 } 16242 16243 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16244 16245 // Prune runtime permissions 16246 for (int userId : allUserIds) { 16247 List<PermissionState> runtimePermStates = permissionsState 16248 .getRuntimePermissionStates(userId); 16249 final int runtimePermCount = runtimePermStates.size(); 16250 for (int i = runtimePermCount - 1; i >= 0; i--) { 16251 PermissionState permissionState = runtimePermStates.get(i); 16252 if (!usedPermissions.contains(permissionState.getName())) { 16253 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16254 if (bp != null) { 16255 permissionsState.revokeRuntimePermission(bp, userId); 16256 permissionsState.updatePermissionFlags(bp, userId, 16257 PackageManager.MASK_PERMISSION_FLAGS, 0); 16258 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16259 runtimePermissionChangedUserIds, userId); 16260 } 16261 } 16262 } 16263 } 16264 16265 return runtimePermissionChangedUserIds; 16266 } 16267 16268 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16269 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16270 // Update the parent package setting 16271 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16272 res, user, installReason); 16273 // Update the child packages setting 16274 final int childCount = (newPackage.childPackages != null) 16275 ? newPackage.childPackages.size() : 0; 16276 for (int i = 0; i < childCount; i++) { 16277 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16278 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16279 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16280 childRes.origUsers, childRes, user, installReason); 16281 } 16282 } 16283 16284 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16285 String installerPackageName, int[] allUsers, int[] installedForUsers, 16286 PackageInstalledInfo res, UserHandle user, int installReason) { 16287 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16288 16289 String pkgName = newPackage.packageName; 16290 synchronized (mPackages) { 16291 //write settings. the installStatus will be incomplete at this stage. 16292 //note that the new package setting would have already been 16293 //added to mPackages. It hasn't been persisted yet. 16294 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16295 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16296 mSettings.writeLPr(); 16297 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16298 } 16299 16300 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16301 synchronized (mPackages) { 16302 updatePermissionsLPw(newPackage.packageName, newPackage, 16303 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16304 ? UPDATE_PERMISSIONS_ALL : 0)); 16305 // For system-bundled packages, we assume that installing an upgraded version 16306 // of the package implies that the user actually wants to run that new code, 16307 // so we enable the package. 16308 PackageSetting ps = mSettings.mPackages.get(pkgName); 16309 final int userId = user.getIdentifier(); 16310 if (ps != null) { 16311 if (isSystemApp(newPackage)) { 16312 if (DEBUG_INSTALL) { 16313 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16314 } 16315 // Enable system package for requested users 16316 if (res.origUsers != null) { 16317 for (int origUserId : res.origUsers) { 16318 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16319 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16320 origUserId, installerPackageName); 16321 } 16322 } 16323 } 16324 // Also convey the prior install/uninstall state 16325 if (allUsers != null && installedForUsers != null) { 16326 for (int currentUserId : allUsers) { 16327 final boolean installed = ArrayUtils.contains( 16328 installedForUsers, currentUserId); 16329 if (DEBUG_INSTALL) { 16330 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16331 } 16332 ps.setInstalled(installed, currentUserId); 16333 } 16334 // these install state changes will be persisted in the 16335 // upcoming call to mSettings.writeLPr(). 16336 } 16337 } 16338 // It's implied that when a user requests installation, they want the app to be 16339 // installed and enabled. 16340 if (userId != UserHandle.USER_ALL) { 16341 ps.setInstalled(true, userId); 16342 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16343 } 16344 16345 // When replacing an existing package, preserve the original install reason for all 16346 // users that had the package installed before. 16347 final Set<Integer> previousUserIds = new ArraySet<>(); 16348 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16349 final int installReasonCount = res.removedInfo.installReasons.size(); 16350 for (int i = 0; i < installReasonCount; i++) { 16351 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16352 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16353 ps.setInstallReason(previousInstallReason, previousUserId); 16354 previousUserIds.add(previousUserId); 16355 } 16356 } 16357 16358 // Set install reason for users that are having the package newly installed. 16359 if (userId == UserHandle.USER_ALL) { 16360 for (int currentUserId : sUserManager.getUserIds()) { 16361 if (!previousUserIds.contains(currentUserId)) { 16362 ps.setInstallReason(installReason, currentUserId); 16363 } 16364 } 16365 } else if (!previousUserIds.contains(userId)) { 16366 ps.setInstallReason(installReason, userId); 16367 } 16368 } 16369 res.name = pkgName; 16370 res.uid = newPackage.applicationInfo.uid; 16371 res.pkg = newPackage; 16372 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16373 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16374 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16375 //to update install status 16376 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16377 mSettings.writeLPr(); 16378 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16379 } 16380 16381 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16382 } 16383 16384 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16385 try { 16386 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16387 installPackageLI(args, res); 16388 } finally { 16389 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16390 } 16391 } 16392 16393 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16394 final int installFlags = args.installFlags; 16395 final String installerPackageName = args.installerPackageName; 16396 final String volumeUuid = args.volumeUuid; 16397 final File tmpPackageFile = new File(args.getCodePath()); 16398 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16399 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16400 || (args.volumeUuid != null)); 16401 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 16402 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16403 boolean replace = false; 16404 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16405 if (args.move != null) { 16406 // moving a complete application; perform an initial scan on the new install location 16407 scanFlags |= SCAN_INITIAL; 16408 } 16409 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16410 scanFlags |= SCAN_DONT_KILL_APP; 16411 } 16412 16413 // Result object to be returned 16414 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16415 16416 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16417 16418 // Sanity check 16419 if (ephemeral && (forwardLocked || onExternal)) { 16420 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16421 + " external=" + onExternal); 16422 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 16423 return; 16424 } 16425 16426 // Retrieve PackageSettings and parse package 16427 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16428 | PackageParser.PARSE_ENFORCE_CODE 16429 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16430 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16431 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16432 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16433 PackageParser pp = new PackageParser(); 16434 pp.setSeparateProcesses(mSeparateProcesses); 16435 pp.setDisplayMetrics(mMetrics); 16436 16437 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16438 final PackageParser.Package pkg; 16439 try { 16440 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16441 } catch (PackageParserException e) { 16442 res.setError("Failed parse during installPackageLI", e); 16443 return; 16444 } finally { 16445 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16446 } 16447 16448 // Ephemeral apps must have target SDK >= O. 16449 // TODO: Update conditional and error message when O gets locked down 16450 if (ephemeral && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16451 res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 16452 "Ephemeral apps must have target SDK version of at least O"); 16453 return; 16454 } 16455 16456 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16457 // Static shared libraries have synthetic package names 16458 renameStaticSharedLibraryPackage(pkg); 16459 16460 // No static shared libs on external storage 16461 if (onExternal) { 16462 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16463 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16464 "Packages declaring static-shared libs cannot be updated"); 16465 return; 16466 } 16467 } 16468 16469 // If we are installing a clustered package add results for the children 16470 if (pkg.childPackages != null) { 16471 synchronized (mPackages) { 16472 final int childCount = pkg.childPackages.size(); 16473 for (int i = 0; i < childCount; i++) { 16474 PackageParser.Package childPkg = pkg.childPackages.get(i); 16475 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16476 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16477 childRes.pkg = childPkg; 16478 childRes.name = childPkg.packageName; 16479 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16480 if (childPs != null) { 16481 childRes.origUsers = childPs.queryInstalledUsers( 16482 sUserManager.getUserIds(), true); 16483 } 16484 if ((mPackages.containsKey(childPkg.packageName))) { 16485 childRes.removedInfo = new PackageRemovedInfo(); 16486 childRes.removedInfo.removedPackage = childPkg.packageName; 16487 } 16488 if (res.addedChildPackages == null) { 16489 res.addedChildPackages = new ArrayMap<>(); 16490 } 16491 res.addedChildPackages.put(childPkg.packageName, childRes); 16492 } 16493 } 16494 } 16495 16496 // If package doesn't declare API override, mark that we have an install 16497 // time CPU ABI override. 16498 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16499 pkg.cpuAbiOverride = args.abiOverride; 16500 } 16501 16502 String pkgName = res.name = pkg.packageName; 16503 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16504 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16505 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16506 return; 16507 } 16508 } 16509 16510 try { 16511 // either use what we've been given or parse directly from the APK 16512 if (args.certificates != null) { 16513 try { 16514 PackageParser.populateCertificates(pkg, args.certificates); 16515 } catch (PackageParserException e) { 16516 // there was something wrong with the certificates we were given; 16517 // try to pull them from the APK 16518 PackageParser.collectCertificates(pkg, parseFlags); 16519 } 16520 } else { 16521 PackageParser.collectCertificates(pkg, parseFlags); 16522 } 16523 } catch (PackageParserException e) { 16524 res.setError("Failed collect during installPackageLI", e); 16525 return; 16526 } 16527 16528 // Get rid of all references to package scan path via parser. 16529 pp = null; 16530 String oldCodePath = null; 16531 boolean systemApp = false; 16532 synchronized (mPackages) { 16533 // Check if installing already existing package 16534 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16535 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16536 if (pkg.mOriginalPackages != null 16537 && pkg.mOriginalPackages.contains(oldName) 16538 && mPackages.containsKey(oldName)) { 16539 // This package is derived from an original package, 16540 // and this device has been updating from that original 16541 // name. We must continue using the original name, so 16542 // rename the new package here. 16543 pkg.setPackageName(oldName); 16544 pkgName = pkg.packageName; 16545 replace = true; 16546 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16547 + oldName + " pkgName=" + pkgName); 16548 } else if (mPackages.containsKey(pkgName)) { 16549 // This package, under its official name, already exists 16550 // on the device; we should replace it. 16551 replace = true; 16552 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16553 } 16554 16555 // Child packages are installed through the parent package 16556 if (pkg.parentPackage != null) { 16557 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16558 "Package " + pkg.packageName + " is child of package " 16559 + pkg.parentPackage.parentPackage + ". Child packages " 16560 + "can be updated only through the parent package."); 16561 return; 16562 } 16563 16564 if (replace) { 16565 // Prevent apps opting out from runtime permissions 16566 PackageParser.Package oldPackage = mPackages.get(pkgName); 16567 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16568 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16569 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16570 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16571 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16572 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16573 + " doesn't support runtime permissions but the old" 16574 + " target SDK " + oldTargetSdk + " does."); 16575 return; 16576 } 16577 16578 // Prevent installing of child packages 16579 if (oldPackage.parentPackage != null) { 16580 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16581 "Package " + pkg.packageName + " is child of package " 16582 + oldPackage.parentPackage + ". Child packages " 16583 + "can be updated only through the parent package."); 16584 return; 16585 } 16586 } 16587 } 16588 16589 PackageSetting ps = mSettings.mPackages.get(pkgName); 16590 if (ps != null) { 16591 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16592 16593 // Static shared libs have same package with different versions where 16594 // we internally use a synthetic package name to allow multiple versions 16595 // of the same package, therefore we need to compare signatures against 16596 // the package setting for the latest library version. 16597 PackageSetting signatureCheckPs = ps; 16598 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16599 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16600 if (libraryEntry != null) { 16601 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16602 } 16603 } 16604 16605 // Quick sanity check that we're signed correctly if updating; 16606 // we'll check this again later when scanning, but we want to 16607 // bail early here before tripping over redefined permissions. 16608 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16609 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16610 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16611 + pkg.packageName + " upgrade keys do not match the " 16612 + "previously installed version"); 16613 return; 16614 } 16615 } else { 16616 try { 16617 verifySignaturesLP(signatureCheckPs, pkg); 16618 } catch (PackageManagerException e) { 16619 res.setError(e.error, e.getMessage()); 16620 return; 16621 } 16622 } 16623 16624 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16625 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16626 systemApp = (ps.pkg.applicationInfo.flags & 16627 ApplicationInfo.FLAG_SYSTEM) != 0; 16628 } 16629 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16630 } 16631 16632 // Check whether the newly-scanned package wants to define an already-defined perm 16633 int N = pkg.permissions.size(); 16634 for (int i = N-1; i >= 0; i--) { 16635 PackageParser.Permission perm = pkg.permissions.get(i); 16636 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16637 if (bp != null) { 16638 // If the defining package is signed with our cert, it's okay. This 16639 // also includes the "updating the same package" case, of course. 16640 // "updating same package" could also involve key-rotation. 16641 final boolean sigsOk; 16642 if (bp.sourcePackage.equals(pkg.packageName) 16643 && (bp.packageSetting instanceof PackageSetting) 16644 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16645 scanFlags))) { 16646 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16647 } else { 16648 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16649 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16650 } 16651 if (!sigsOk) { 16652 // If the owning package is the system itself, we log but allow 16653 // install to proceed; we fail the install on all other permission 16654 // redefinitions. 16655 if (!bp.sourcePackage.equals("android")) { 16656 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16657 + pkg.packageName + " attempting to redeclare permission " 16658 + perm.info.name + " already owned by " + bp.sourcePackage); 16659 res.origPermission = perm.info.name; 16660 res.origPackage = bp.sourcePackage; 16661 return; 16662 } else { 16663 Slog.w(TAG, "Package " + pkg.packageName 16664 + " attempting to redeclare system permission " 16665 + perm.info.name + "; ignoring new declaration"); 16666 pkg.permissions.remove(i); 16667 } 16668 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16669 // Prevent apps to change protection level to dangerous from any other 16670 // type as this would allow a privilege escalation where an app adds a 16671 // normal/signature permission in other app's group and later redefines 16672 // it as dangerous leading to the group auto-grant. 16673 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16674 == PermissionInfo.PROTECTION_DANGEROUS) { 16675 if (bp != null && !bp.isRuntime()) { 16676 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16677 + "non-runtime permission " + perm.info.name 16678 + " to runtime; keeping old protection level"); 16679 perm.info.protectionLevel = bp.protectionLevel; 16680 } 16681 } 16682 } 16683 } 16684 } 16685 } 16686 16687 if (systemApp) { 16688 if (onExternal) { 16689 // Abort update; system app can't be replaced with app on sdcard 16690 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16691 "Cannot install updates to system apps on sdcard"); 16692 return; 16693 } else if (ephemeral) { 16694 // Abort update; system app can't be replaced with an ephemeral app 16695 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 16696 "Cannot update a system app with an ephemeral app"); 16697 return; 16698 } 16699 } 16700 16701 if (args.move != null) { 16702 // We did an in-place move, so dex is ready to roll 16703 scanFlags |= SCAN_NO_DEX; 16704 scanFlags |= SCAN_MOVE; 16705 16706 synchronized (mPackages) { 16707 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16708 if (ps == null) { 16709 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16710 "Missing settings for moved package " + pkgName); 16711 } 16712 16713 // We moved the entire application as-is, so bring over the 16714 // previously derived ABI information. 16715 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16716 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16717 } 16718 16719 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16720 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16721 scanFlags |= SCAN_NO_DEX; 16722 16723 try { 16724 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16725 args.abiOverride : pkg.cpuAbiOverride); 16726 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16727 true /*extractLibs*/, mAppLib32InstallDir); 16728 } catch (PackageManagerException pme) { 16729 Slog.e(TAG, "Error deriving application ABI", pme); 16730 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16731 return; 16732 } 16733 16734 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16735 // Do not run PackageDexOptimizer through the local performDexOpt 16736 // method because `pkg` may not be in `mPackages` yet. 16737 // 16738 // Also, don't fail application installs if the dexopt step fails. 16739 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16740 null /* instructionSets */, false /* checkProfiles */, 16741 getCompilerFilterForReason(REASON_INSTALL), 16742 getOrCreateCompilerPackageStats(pkg)); 16743 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16744 16745 // Notify BackgroundDexOptService that the package has been changed. 16746 // If this is an update of a package which used to fail to compile, 16747 // BDOS will remove it from its blacklist. 16748 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16749 } 16750 16751 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16752 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16753 return; 16754 } 16755 16756 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16757 16758 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16759 "installPackageLI")) { 16760 if (replace) { 16761 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16762 // Static libs have a synthetic package name containing the version 16763 // and cannot be updated as an update would get a new package name, 16764 // unless this is the exact same version code which is useful for 16765 // development. 16766 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16767 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16768 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16769 + "static-shared libs cannot be updated"); 16770 return; 16771 } 16772 } 16773 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16774 installerPackageName, res, args.installReason); 16775 } else { 16776 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16777 args.user, installerPackageName, volumeUuid, res, args.installReason); 16778 } 16779 } 16780 synchronized (mPackages) { 16781 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16782 if (ps != null) { 16783 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16784 } 16785 16786 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16787 for (int i = 0; i < childCount; i++) { 16788 PackageParser.Package childPkg = pkg.childPackages.get(i); 16789 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16790 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16791 if (childPs != null) { 16792 childRes.newUsers = childPs.queryInstalledUsers( 16793 sUserManager.getUserIds(), true); 16794 } 16795 } 16796 } 16797 } 16798 16799 private void startIntentFilterVerifications(int userId, boolean replacing, 16800 PackageParser.Package pkg) { 16801 if (mIntentFilterVerifierComponent == null) { 16802 Slog.w(TAG, "No IntentFilter verification will not be done as " 16803 + "there is no IntentFilterVerifier available!"); 16804 return; 16805 } 16806 16807 final int verifierUid = getPackageUid( 16808 mIntentFilterVerifierComponent.getPackageName(), 16809 MATCH_DEBUG_TRIAGED_MISSING, 16810 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16811 16812 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16813 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16814 mHandler.sendMessage(msg); 16815 16816 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16817 for (int i = 0; i < childCount; i++) { 16818 PackageParser.Package childPkg = pkg.childPackages.get(i); 16819 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16820 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16821 mHandler.sendMessage(msg); 16822 } 16823 } 16824 16825 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16826 PackageParser.Package pkg) { 16827 int size = pkg.activities.size(); 16828 if (size == 0) { 16829 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16830 "No activity, so no need to verify any IntentFilter!"); 16831 return; 16832 } 16833 16834 final boolean hasDomainURLs = hasDomainURLs(pkg); 16835 if (!hasDomainURLs) { 16836 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16837 "No domain URLs, so no need to verify any IntentFilter!"); 16838 return; 16839 } 16840 16841 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16842 + " if any IntentFilter from the " + size 16843 + " Activities needs verification ..."); 16844 16845 int count = 0; 16846 final String packageName = pkg.packageName; 16847 16848 synchronized (mPackages) { 16849 // If this is a new install and we see that we've already run verification for this 16850 // package, we have nothing to do: it means the state was restored from backup. 16851 if (!replacing) { 16852 IntentFilterVerificationInfo ivi = 16853 mSettings.getIntentFilterVerificationLPr(packageName); 16854 if (ivi != null) { 16855 if (DEBUG_DOMAIN_VERIFICATION) { 16856 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16857 + ivi.getStatusString()); 16858 } 16859 return; 16860 } 16861 } 16862 16863 // If any filters need to be verified, then all need to be. 16864 boolean needToVerify = false; 16865 for (PackageParser.Activity a : pkg.activities) { 16866 for (ActivityIntentInfo filter : a.intents) { 16867 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16868 if (DEBUG_DOMAIN_VERIFICATION) { 16869 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16870 } 16871 needToVerify = true; 16872 break; 16873 } 16874 } 16875 } 16876 16877 if (needToVerify) { 16878 final int verificationId = mIntentFilterVerificationToken++; 16879 for (PackageParser.Activity a : pkg.activities) { 16880 for (ActivityIntentInfo filter : a.intents) { 16881 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16882 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16883 "Verification needed for IntentFilter:" + filter.toString()); 16884 mIntentFilterVerifier.addOneIntentFilterVerification( 16885 verifierUid, userId, verificationId, filter, packageName); 16886 count++; 16887 } 16888 } 16889 } 16890 } 16891 } 16892 16893 if (count > 0) { 16894 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 16895 + " IntentFilter verification" + (count > 1 ? "s" : "") 16896 + " for userId:" + userId); 16897 mIntentFilterVerifier.startVerifications(userId); 16898 } else { 16899 if (DEBUG_DOMAIN_VERIFICATION) { 16900 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 16901 } 16902 } 16903 } 16904 16905 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 16906 final ComponentName cn = filter.activity.getComponentName(); 16907 final String packageName = cn.getPackageName(); 16908 16909 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 16910 packageName); 16911 if (ivi == null) { 16912 return true; 16913 } 16914 int status = ivi.getStatus(); 16915 switch (status) { 16916 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 16917 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 16918 return true; 16919 16920 default: 16921 // Nothing to do 16922 return false; 16923 } 16924 } 16925 16926 private static boolean isMultiArch(ApplicationInfo info) { 16927 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 16928 } 16929 16930 private static boolean isExternal(PackageParser.Package pkg) { 16931 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16932 } 16933 16934 private static boolean isExternal(PackageSetting ps) { 16935 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16936 } 16937 16938 private static boolean isEphemeral(PackageParser.Package pkg) { 16939 return pkg.applicationInfo.isEphemeralApp(); 16940 } 16941 16942 private static boolean isEphemeral(PackageSetting ps) { 16943 return ps.pkg != null && isEphemeral(ps.pkg); 16944 } 16945 16946 private static boolean isSystemApp(PackageParser.Package pkg) { 16947 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 16948 } 16949 16950 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 16951 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16952 } 16953 16954 private static boolean hasDomainURLs(PackageParser.Package pkg) { 16955 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 16956 } 16957 16958 private static boolean isSystemApp(PackageSetting ps) { 16959 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 16960 } 16961 16962 private static boolean isUpdatedSystemApp(PackageSetting ps) { 16963 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 16964 } 16965 16966 private int packageFlagsToInstallFlags(PackageSetting ps) { 16967 int installFlags = 0; 16968 if (isEphemeral(ps)) { 16969 installFlags |= PackageManager.INSTALL_EPHEMERAL; 16970 } 16971 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 16972 // This existing package was an external ASEC install when we have 16973 // the external flag without a UUID 16974 installFlags |= PackageManager.INSTALL_EXTERNAL; 16975 } 16976 if (ps.isForwardLocked()) { 16977 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 16978 } 16979 return installFlags; 16980 } 16981 16982 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 16983 if (isExternal(pkg)) { 16984 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16985 return StorageManager.UUID_PRIMARY_PHYSICAL; 16986 } else { 16987 return pkg.volumeUuid; 16988 } 16989 } else { 16990 return StorageManager.UUID_PRIVATE_INTERNAL; 16991 } 16992 } 16993 16994 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 16995 if (isExternal(pkg)) { 16996 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16997 return mSettings.getExternalVersion(); 16998 } else { 16999 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17000 } 17001 } else { 17002 return mSettings.getInternalVersion(); 17003 } 17004 } 17005 17006 private void deleteTempPackageFiles() { 17007 final FilenameFilter filter = new FilenameFilter() { 17008 public boolean accept(File dir, String name) { 17009 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17010 } 17011 }; 17012 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17013 file.delete(); 17014 } 17015 } 17016 17017 @Override 17018 public void deletePackageAsUser(String packageName, int versionCode, 17019 IPackageDeleteObserver observer, int userId, int flags) { 17020 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17021 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17022 } 17023 17024 @Override 17025 public void deletePackageVersioned(VersionedPackage versionedPackage, 17026 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17027 mContext.enforceCallingOrSelfPermission( 17028 android.Manifest.permission.DELETE_PACKAGES, null); 17029 Preconditions.checkNotNull(versionedPackage); 17030 Preconditions.checkNotNull(observer); 17031 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17032 PackageManager.VERSION_CODE_HIGHEST, 17033 Integer.MAX_VALUE, "versionCode must be >= -1"); 17034 17035 final String packageName = versionedPackage.getPackageName(); 17036 // TODO: We will change version code to long, so in the new API it is long 17037 final int versionCode = (int) versionedPackage.getVersionCode(); 17038 final String internalPackageName; 17039 synchronized (mPackages) { 17040 // Normalize package name to handle renamed packages and static libs 17041 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17042 // TODO: We will change version code to long, so in the new API it is long 17043 (int) versionedPackage.getVersionCode()); 17044 } 17045 17046 final int uid = Binder.getCallingUid(); 17047 if (!isOrphaned(internalPackageName) 17048 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17049 try { 17050 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17051 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17052 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17053 observer.onUserActionRequired(intent); 17054 } catch (RemoteException re) { 17055 } 17056 return; 17057 } 17058 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17059 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17060 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17061 mContext.enforceCallingOrSelfPermission( 17062 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17063 "deletePackage for user " + userId); 17064 } 17065 17066 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17067 try { 17068 observer.onPackageDeleted(packageName, 17069 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17070 } catch (RemoteException re) { 17071 } 17072 return; 17073 } 17074 17075 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17076 try { 17077 observer.onPackageDeleted(packageName, 17078 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17079 } catch (RemoteException re) { 17080 } 17081 return; 17082 } 17083 17084 if (DEBUG_REMOVE) { 17085 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17086 + " deleteAllUsers: " + deleteAllUsers + " version=" 17087 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17088 ? "VERSION_CODE_HIGHEST" : versionCode)); 17089 } 17090 // Queue up an async operation since the package deletion may take a little while. 17091 mHandler.post(new Runnable() { 17092 public void run() { 17093 mHandler.removeCallbacks(this); 17094 int returnCode; 17095 if (!deleteAllUsers) { 17096 returnCode = deletePackageX(internalPackageName, versionCode, 17097 userId, deleteFlags); 17098 } else { 17099 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17100 internalPackageName, users); 17101 // If nobody is blocking uninstall, proceed with delete for all users 17102 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17103 returnCode = deletePackageX(internalPackageName, versionCode, 17104 userId, deleteFlags); 17105 } else { 17106 // Otherwise uninstall individually for users with blockUninstalls=false 17107 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17108 for (int userId : users) { 17109 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17110 returnCode = deletePackageX(internalPackageName, versionCode, 17111 userId, userFlags); 17112 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17113 Slog.w(TAG, "Package delete failed for user " + userId 17114 + ", returnCode " + returnCode); 17115 } 17116 } 17117 } 17118 // The app has only been marked uninstalled for certain users. 17119 // We still need to report that delete was blocked 17120 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17121 } 17122 } 17123 try { 17124 observer.onPackageDeleted(packageName, returnCode, null); 17125 } catch (RemoteException e) { 17126 Log.i(TAG, "Observer no longer exists."); 17127 } //end catch 17128 } //end run 17129 }); 17130 } 17131 17132 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17133 if (pkg.staticSharedLibName != null) { 17134 return pkg.manifestPackageName; 17135 } 17136 return pkg.packageName; 17137 } 17138 17139 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17140 // Handle renamed packages 17141 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17142 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17143 17144 // Is this a static library? 17145 SparseArray<SharedLibraryEntry> versionedLib = 17146 mStaticLibsByDeclaringPackage.get(packageName); 17147 if (versionedLib == null || versionedLib.size() <= 0) { 17148 return packageName; 17149 } 17150 17151 // Figure out which lib versions the caller can see 17152 SparseIntArray versionsCallerCanSee = null; 17153 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17154 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17155 && callingAppId != Process.ROOT_UID) { 17156 versionsCallerCanSee = new SparseIntArray(); 17157 String libName = versionedLib.valueAt(0).info.getName(); 17158 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17159 if (uidPackages != null) { 17160 for (String uidPackage : uidPackages) { 17161 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17162 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17163 if (libIdx >= 0) { 17164 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17165 versionsCallerCanSee.append(libVersion, libVersion); 17166 } 17167 } 17168 } 17169 } 17170 17171 // Caller can see nothing - done 17172 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17173 return packageName; 17174 } 17175 17176 // Find the version the caller can see and the app version code 17177 SharedLibraryEntry highestVersion = null; 17178 final int versionCount = versionedLib.size(); 17179 for (int i = 0; i < versionCount; i++) { 17180 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17181 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17182 libEntry.info.getVersion()) < 0) { 17183 continue; 17184 } 17185 // TODO: We will change version code to long, so in the new API it is long 17186 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17187 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17188 if (libVersionCode == versionCode) { 17189 return libEntry.apk; 17190 } 17191 } else if (highestVersion == null) { 17192 highestVersion = libEntry; 17193 } else if (libVersionCode > highestVersion.info 17194 .getDeclaringPackage().getVersionCode()) { 17195 highestVersion = libEntry; 17196 } 17197 } 17198 17199 if (highestVersion != null) { 17200 return highestVersion.apk; 17201 } 17202 17203 return packageName; 17204 } 17205 17206 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17207 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17208 || callingUid == Process.SYSTEM_UID) { 17209 return true; 17210 } 17211 final int callingUserId = UserHandle.getUserId(callingUid); 17212 // If the caller installed the pkgName, then allow it to silently uninstall. 17213 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17214 return true; 17215 } 17216 17217 // Allow package verifier to silently uninstall. 17218 if (mRequiredVerifierPackage != null && 17219 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17220 return true; 17221 } 17222 17223 // Allow package uninstaller to silently uninstall. 17224 if (mRequiredUninstallerPackage != null && 17225 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17226 return true; 17227 } 17228 17229 // Allow storage manager to silently uninstall. 17230 if (mStorageManagerPackage != null && 17231 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17232 return true; 17233 } 17234 return false; 17235 } 17236 17237 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17238 int[] result = EMPTY_INT_ARRAY; 17239 for (int userId : userIds) { 17240 if (getBlockUninstallForUser(packageName, userId)) { 17241 result = ArrayUtils.appendInt(result, userId); 17242 } 17243 } 17244 return result; 17245 } 17246 17247 @Override 17248 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17249 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17250 } 17251 17252 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17253 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17254 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17255 try { 17256 if (dpm != null) { 17257 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17258 /* callingUserOnly =*/ false); 17259 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17260 : deviceOwnerComponentName.getPackageName(); 17261 // Does the package contains the device owner? 17262 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17263 // this check is probably not needed, since DO should be registered as a device 17264 // admin on some user too. (Original bug for this: b/17657954) 17265 if (packageName.equals(deviceOwnerPackageName)) { 17266 return true; 17267 } 17268 // Does it contain a device admin for any user? 17269 int[] users; 17270 if (userId == UserHandle.USER_ALL) { 17271 users = sUserManager.getUserIds(); 17272 } else { 17273 users = new int[]{userId}; 17274 } 17275 for (int i = 0; i < users.length; ++i) { 17276 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17277 return true; 17278 } 17279 } 17280 } 17281 } catch (RemoteException e) { 17282 } 17283 return false; 17284 } 17285 17286 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17287 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17288 } 17289 17290 /** 17291 * This method is an internal method that could be get invoked either 17292 * to delete an installed package or to clean up a failed installation. 17293 * After deleting an installed package, a broadcast is sent to notify any 17294 * listeners that the package has been removed. For cleaning up a failed 17295 * installation, the broadcast is not necessary since the package's 17296 * installation wouldn't have sent the initial broadcast either 17297 * The key steps in deleting a package are 17298 * deleting the package information in internal structures like mPackages, 17299 * deleting the packages base directories through installd 17300 * updating mSettings to reflect current status 17301 * persisting settings for later use 17302 * sending a broadcast if necessary 17303 */ 17304 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17305 final PackageRemovedInfo info = new PackageRemovedInfo(); 17306 final boolean res; 17307 17308 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17309 ? UserHandle.USER_ALL : userId; 17310 17311 if (isPackageDeviceAdmin(packageName, removeUser)) { 17312 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17313 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17314 } 17315 17316 PackageSetting uninstalledPs = null; 17317 17318 // for the uninstall-updates case and restricted profiles, remember the per- 17319 // user handle installed state 17320 int[] allUsers; 17321 synchronized (mPackages) { 17322 uninstalledPs = mSettings.mPackages.get(packageName); 17323 if (uninstalledPs == null) { 17324 Slog.w(TAG, "Not removing non-existent package " + packageName); 17325 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17326 } 17327 17328 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17329 && uninstalledPs.versionCode != versionCode) { 17330 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17331 + uninstalledPs.versionCode + " != " + versionCode); 17332 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17333 } 17334 17335 // Static shared libs can be declared by any package, so let us not 17336 // allow removing a package if it provides a lib others depend on. 17337 PackageParser.Package pkg = mPackages.get(packageName); 17338 if (pkg != null && pkg.staticSharedLibName != null) { 17339 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17340 pkg.staticSharedLibVersion); 17341 if (libEntry != null) { 17342 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17343 libEntry.info, 0, userId); 17344 if (!ArrayUtils.isEmpty(libClientPackages)) { 17345 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17346 + " hosting lib " + libEntry.info.getName() + " version " 17347 + libEntry.info.getVersion() + " used by " + libClientPackages); 17348 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17349 } 17350 } 17351 } 17352 17353 allUsers = sUserManager.getUserIds(); 17354 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17355 } 17356 17357 final int freezeUser; 17358 if (isUpdatedSystemApp(uninstalledPs) 17359 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17360 // We're downgrading a system app, which will apply to all users, so 17361 // freeze them all during the downgrade 17362 freezeUser = UserHandle.USER_ALL; 17363 } else { 17364 freezeUser = removeUser; 17365 } 17366 17367 synchronized (mInstallLock) { 17368 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17369 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17370 deleteFlags, "deletePackageX")) { 17371 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17372 deleteFlags | REMOVE_CHATTY, info, true, null); 17373 } 17374 synchronized (mPackages) { 17375 if (res) { 17376 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 17377 } 17378 } 17379 } 17380 17381 if (res) { 17382 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17383 info.sendPackageRemovedBroadcasts(killApp); 17384 info.sendSystemPackageUpdatedBroadcasts(); 17385 info.sendSystemPackageAppearedBroadcasts(); 17386 } 17387 // Force a gc here. 17388 Runtime.getRuntime().gc(); 17389 // Delete the resources here after sending the broadcast to let 17390 // other processes clean up before deleting resources. 17391 if (info.args != null) { 17392 synchronized (mInstallLock) { 17393 info.args.doPostDeleteLI(true); 17394 } 17395 } 17396 17397 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17398 } 17399 17400 class PackageRemovedInfo { 17401 String removedPackage; 17402 int uid = -1; 17403 int removedAppId = -1; 17404 int[] origUsers; 17405 int[] removedUsers = null; 17406 SparseArray<Integer> installReasons; 17407 boolean isRemovedPackageSystemUpdate = false; 17408 boolean isUpdate; 17409 boolean dataRemoved; 17410 boolean removedForAllUsers; 17411 boolean isStaticSharedLib; 17412 // Clean up resources deleted packages. 17413 InstallArgs args = null; 17414 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17415 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17416 17417 void sendPackageRemovedBroadcasts(boolean killApp) { 17418 sendPackageRemovedBroadcastInternal(killApp); 17419 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17420 for (int i = 0; i < childCount; i++) { 17421 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17422 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17423 } 17424 } 17425 17426 void sendSystemPackageUpdatedBroadcasts() { 17427 if (isRemovedPackageSystemUpdate) { 17428 sendSystemPackageUpdatedBroadcastsInternal(); 17429 final int childCount = (removedChildPackages != null) 17430 ? removedChildPackages.size() : 0; 17431 for (int i = 0; i < childCount; i++) { 17432 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17433 if (childInfo.isRemovedPackageSystemUpdate) { 17434 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17435 } 17436 } 17437 } 17438 } 17439 17440 void sendSystemPackageAppearedBroadcasts() { 17441 final int packageCount = (appearedChildPackages != null) 17442 ? appearedChildPackages.size() : 0; 17443 for (int i = 0; i < packageCount; i++) { 17444 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17445 sendPackageAddedForNewUsers(installedInfo.name, true, 17446 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17447 } 17448 } 17449 17450 private void sendSystemPackageUpdatedBroadcastsInternal() { 17451 Bundle extras = new Bundle(2); 17452 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17453 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17454 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17455 extras, 0, null, null, null); 17456 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17457 extras, 0, null, null, null); 17458 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17459 null, 0, removedPackage, null, null); 17460 } 17461 17462 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17463 // Don't send static shared library removal broadcasts as these 17464 // libs are visible only the the apps that depend on them an one 17465 // cannot remove the library if it has a dependency. 17466 if (isStaticSharedLib) { 17467 return; 17468 } 17469 Bundle extras = new Bundle(2); 17470 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17471 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17472 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17473 if (isUpdate || isRemovedPackageSystemUpdate) { 17474 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17475 } 17476 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17477 if (removedPackage != null) { 17478 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17479 extras, 0, null, null, removedUsers); 17480 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17481 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17482 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17483 null, null, removedUsers); 17484 } 17485 } 17486 if (removedAppId >= 0) { 17487 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17488 removedUsers); 17489 } 17490 } 17491 } 17492 17493 /* 17494 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17495 * flag is not set, the data directory is removed as well. 17496 * make sure this flag is set for partially installed apps. If not its meaningless to 17497 * delete a partially installed application. 17498 */ 17499 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17500 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17501 String packageName = ps.name; 17502 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17503 // Retrieve object to delete permissions for shared user later on 17504 final PackageParser.Package deletedPkg; 17505 final PackageSetting deletedPs; 17506 // reader 17507 synchronized (mPackages) { 17508 deletedPkg = mPackages.get(packageName); 17509 deletedPs = mSettings.mPackages.get(packageName); 17510 if (outInfo != null) { 17511 outInfo.removedPackage = packageName; 17512 outInfo.isStaticSharedLib = deletedPkg != null 17513 && deletedPkg.staticSharedLibName != null; 17514 outInfo.removedUsers = deletedPs != null 17515 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17516 : null; 17517 } 17518 } 17519 17520 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 17521 17522 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17523 final PackageParser.Package resolvedPkg; 17524 if (deletedPkg != null) { 17525 resolvedPkg = deletedPkg; 17526 } else { 17527 // We don't have a parsed package when it lives on an ejected 17528 // adopted storage device, so fake something together 17529 resolvedPkg = new PackageParser.Package(ps.name); 17530 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17531 } 17532 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17533 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17534 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17535 if (outInfo != null) { 17536 outInfo.dataRemoved = true; 17537 } 17538 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17539 } 17540 17541 int removedAppId = -1; 17542 17543 // writer 17544 synchronized (mPackages) { 17545 if (deletedPs != null) { 17546 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17547 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17548 clearDefaultBrowserIfNeeded(packageName); 17549 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17550 removedAppId = mSettings.removePackageLPw(packageName); 17551 if (outInfo != null) { 17552 outInfo.removedAppId = removedAppId; 17553 } 17554 updatePermissionsLPw(deletedPs.name, null, 0); 17555 if (deletedPs.sharedUser != null) { 17556 // Remove permissions associated with package. Since runtime 17557 // permissions are per user we have to kill the removed package 17558 // or packages running under the shared user of the removed 17559 // package if revoking the permissions requested only by the removed 17560 // package is successful and this causes a change in gids. 17561 for (int userId : UserManagerService.getInstance().getUserIds()) { 17562 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17563 userId); 17564 if (userIdToKill == UserHandle.USER_ALL 17565 || userIdToKill >= UserHandle.USER_SYSTEM) { 17566 // If gids changed for this user, kill all affected packages. 17567 mHandler.post(new Runnable() { 17568 @Override 17569 public void run() { 17570 // This has to happen with no lock held. 17571 killApplication(deletedPs.name, deletedPs.appId, 17572 KILL_APP_REASON_GIDS_CHANGED); 17573 } 17574 }); 17575 break; 17576 } 17577 } 17578 } 17579 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17580 } 17581 // make sure to preserve per-user disabled state if this removal was just 17582 // a downgrade of a system app to the factory package 17583 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17584 if (DEBUG_REMOVE) { 17585 Slog.d(TAG, "Propagating install state across downgrade"); 17586 } 17587 for (int userId : allUserHandles) { 17588 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17589 if (DEBUG_REMOVE) { 17590 Slog.d(TAG, " user " + userId + " => " + installed); 17591 } 17592 ps.setInstalled(installed, userId); 17593 } 17594 } 17595 } 17596 // can downgrade to reader 17597 if (writeSettings) { 17598 // Save settings now 17599 mSettings.writeLPr(); 17600 } 17601 } 17602 if (removedAppId != -1) { 17603 // A user ID was deleted here. Go through all users and remove it 17604 // from KeyStore. 17605 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17606 } 17607 } 17608 17609 static boolean locationIsPrivileged(File path) { 17610 try { 17611 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17612 .getCanonicalPath(); 17613 return path.getCanonicalPath().startsWith(privilegedAppDir); 17614 } catch (IOException e) { 17615 Slog.e(TAG, "Unable to access code path " + path); 17616 } 17617 return false; 17618 } 17619 17620 /* 17621 * Tries to delete system package. 17622 */ 17623 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17624 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17625 boolean writeSettings) { 17626 if (deletedPs.parentPackageName != null) { 17627 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17628 return false; 17629 } 17630 17631 final boolean applyUserRestrictions 17632 = (allUserHandles != null) && (outInfo.origUsers != null); 17633 final PackageSetting disabledPs; 17634 // Confirm if the system package has been updated 17635 // An updated system app can be deleted. This will also have to restore 17636 // the system pkg from system partition 17637 // reader 17638 synchronized (mPackages) { 17639 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17640 } 17641 17642 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17643 + " disabledPs=" + disabledPs); 17644 17645 if (disabledPs == null) { 17646 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17647 return false; 17648 } else if (DEBUG_REMOVE) { 17649 Slog.d(TAG, "Deleting system pkg from data partition"); 17650 } 17651 17652 if (DEBUG_REMOVE) { 17653 if (applyUserRestrictions) { 17654 Slog.d(TAG, "Remembering install states:"); 17655 for (int userId : allUserHandles) { 17656 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17657 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17658 } 17659 } 17660 } 17661 17662 // Delete the updated package 17663 outInfo.isRemovedPackageSystemUpdate = true; 17664 if (outInfo.removedChildPackages != null) { 17665 final int childCount = (deletedPs.childPackageNames != null) 17666 ? deletedPs.childPackageNames.size() : 0; 17667 for (int i = 0; i < childCount; i++) { 17668 String childPackageName = deletedPs.childPackageNames.get(i); 17669 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17670 .contains(childPackageName)) { 17671 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17672 childPackageName); 17673 if (childInfo != null) { 17674 childInfo.isRemovedPackageSystemUpdate = true; 17675 } 17676 } 17677 } 17678 } 17679 17680 if (disabledPs.versionCode < deletedPs.versionCode) { 17681 // Delete data for downgrades 17682 flags &= ~PackageManager.DELETE_KEEP_DATA; 17683 } else { 17684 // Preserve data by setting flag 17685 flags |= PackageManager.DELETE_KEEP_DATA; 17686 } 17687 17688 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17689 outInfo, writeSettings, disabledPs.pkg); 17690 if (!ret) { 17691 return false; 17692 } 17693 17694 // writer 17695 synchronized (mPackages) { 17696 // Reinstate the old system package 17697 enableSystemPackageLPw(disabledPs.pkg); 17698 // Remove any native libraries from the upgraded package. 17699 removeNativeBinariesLI(deletedPs); 17700 } 17701 17702 // Install the system package 17703 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17704 int parseFlags = mDefParseFlags 17705 | PackageParser.PARSE_MUST_BE_APK 17706 | PackageParser.PARSE_IS_SYSTEM 17707 | PackageParser.PARSE_IS_SYSTEM_DIR; 17708 if (locationIsPrivileged(disabledPs.codePath)) { 17709 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17710 } 17711 17712 final PackageParser.Package newPkg; 17713 try { 17714 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17715 0 /* currentTime */, null); 17716 } catch (PackageManagerException e) { 17717 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17718 + e.getMessage()); 17719 return false; 17720 } 17721 17722 try { 17723 // update shared libraries for the newly re-installed system package 17724 updateSharedLibrariesLPr(newPkg, null); 17725 } catch (PackageManagerException e) { 17726 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17727 } 17728 17729 prepareAppDataAfterInstallLIF(newPkg); 17730 17731 // writer 17732 synchronized (mPackages) { 17733 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17734 17735 // Propagate the permissions state as we do not want to drop on the floor 17736 // runtime permissions. The update permissions method below will take 17737 // care of removing obsolete permissions and grant install permissions. 17738 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17739 updatePermissionsLPw(newPkg.packageName, newPkg, 17740 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17741 17742 if (applyUserRestrictions) { 17743 if (DEBUG_REMOVE) { 17744 Slog.d(TAG, "Propagating install state across reinstall"); 17745 } 17746 for (int userId : allUserHandles) { 17747 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17748 if (DEBUG_REMOVE) { 17749 Slog.d(TAG, " user " + userId + " => " + installed); 17750 } 17751 ps.setInstalled(installed, userId); 17752 17753 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17754 } 17755 // Regardless of writeSettings we need to ensure that this restriction 17756 // state propagation is persisted 17757 mSettings.writeAllUsersPackageRestrictionsLPr(); 17758 } 17759 // can downgrade to reader here 17760 if (writeSettings) { 17761 mSettings.writeLPr(); 17762 } 17763 } 17764 return true; 17765 } 17766 17767 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17768 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17769 PackageRemovedInfo outInfo, boolean writeSettings, 17770 PackageParser.Package replacingPackage) { 17771 synchronized (mPackages) { 17772 if (outInfo != null) { 17773 outInfo.uid = ps.appId; 17774 } 17775 17776 if (outInfo != null && outInfo.removedChildPackages != null) { 17777 final int childCount = (ps.childPackageNames != null) 17778 ? ps.childPackageNames.size() : 0; 17779 for (int i = 0; i < childCount; i++) { 17780 String childPackageName = ps.childPackageNames.get(i); 17781 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17782 if (childPs == null) { 17783 return false; 17784 } 17785 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17786 childPackageName); 17787 if (childInfo != null) { 17788 childInfo.uid = childPs.appId; 17789 } 17790 } 17791 } 17792 } 17793 17794 // Delete package data from internal structures and also remove data if flag is set 17795 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17796 17797 // Delete the child packages data 17798 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17799 for (int i = 0; i < childCount; i++) { 17800 PackageSetting childPs; 17801 synchronized (mPackages) { 17802 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17803 } 17804 if (childPs != null) { 17805 PackageRemovedInfo childOutInfo = (outInfo != null 17806 && outInfo.removedChildPackages != null) 17807 ? outInfo.removedChildPackages.get(childPs.name) : null; 17808 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17809 && (replacingPackage != null 17810 && !replacingPackage.hasChildPackage(childPs.name)) 17811 ? flags & ~DELETE_KEEP_DATA : flags; 17812 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17813 deleteFlags, writeSettings); 17814 } 17815 } 17816 17817 // Delete application code and resources only for parent packages 17818 if (ps.parentPackageName == null) { 17819 if (deleteCodeAndResources && (outInfo != null)) { 17820 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17821 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17822 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17823 } 17824 } 17825 17826 return true; 17827 } 17828 17829 @Override 17830 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 17831 int userId) { 17832 mContext.enforceCallingOrSelfPermission( 17833 android.Manifest.permission.DELETE_PACKAGES, null); 17834 synchronized (mPackages) { 17835 PackageSetting ps = mSettings.mPackages.get(packageName); 17836 if (ps == null) { 17837 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 17838 return false; 17839 } 17840 // Cannot block uninstall of static shared libs as they are 17841 // considered a part of the using app (emulating static linking). 17842 // Also static libs are installed always on internal storage. 17843 PackageParser.Package pkg = mPackages.get(packageName); 17844 if (pkg != null && pkg.staticSharedLibName != null) { 17845 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 17846 + " providing static shared library: " + pkg.staticSharedLibName); 17847 return false; 17848 } 17849 if (!ps.getInstalled(userId)) { 17850 // Can't block uninstall for an app that is not installed or enabled. 17851 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 17852 return false; 17853 } 17854 ps.setBlockUninstall(blockUninstall, userId); 17855 mSettings.writePackageRestrictionsLPr(userId); 17856 } 17857 return true; 17858 } 17859 17860 @Override 17861 public boolean getBlockUninstallForUser(String packageName, int userId) { 17862 synchronized (mPackages) { 17863 PackageSetting ps = mSettings.mPackages.get(packageName); 17864 if (ps == null) { 17865 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 17866 return false; 17867 } 17868 return ps.getBlockUninstall(userId); 17869 } 17870 } 17871 17872 @Override 17873 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 17874 int callingUid = Binder.getCallingUid(); 17875 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 17876 throw new SecurityException( 17877 "setRequiredForSystemUser can only be run by the system or root"); 17878 } 17879 synchronized (mPackages) { 17880 PackageSetting ps = mSettings.mPackages.get(packageName); 17881 if (ps == null) { 17882 Log.w(TAG, "Package doesn't exist: " + packageName); 17883 return false; 17884 } 17885 if (systemUserApp) { 17886 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17887 } else { 17888 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17889 } 17890 mSettings.writeLPr(); 17891 } 17892 return true; 17893 } 17894 17895 /* 17896 * This method handles package deletion in general 17897 */ 17898 private boolean deletePackageLIF(String packageName, UserHandle user, 17899 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 17900 PackageRemovedInfo outInfo, boolean writeSettings, 17901 PackageParser.Package replacingPackage) { 17902 if (packageName == null) { 17903 Slog.w(TAG, "Attempt to delete null packageName."); 17904 return false; 17905 } 17906 17907 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 17908 17909 PackageSetting ps; 17910 synchronized (mPackages) { 17911 ps = mSettings.mPackages.get(packageName); 17912 if (ps == null) { 17913 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 17914 return false; 17915 } 17916 17917 if (ps.parentPackageName != null && (!isSystemApp(ps) 17918 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 17919 if (DEBUG_REMOVE) { 17920 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 17921 + ((user == null) ? UserHandle.USER_ALL : user)); 17922 } 17923 final int removedUserId = (user != null) ? user.getIdentifier() 17924 : UserHandle.USER_ALL; 17925 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 17926 return false; 17927 } 17928 markPackageUninstalledForUserLPw(ps, user); 17929 scheduleWritePackageRestrictionsLocked(user); 17930 return true; 17931 } 17932 } 17933 17934 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 17935 && user.getIdentifier() != UserHandle.USER_ALL)) { 17936 // The caller is asking that the package only be deleted for a single 17937 // user. To do this, we just mark its uninstalled state and delete 17938 // its data. If this is a system app, we only allow this to happen if 17939 // they have set the special DELETE_SYSTEM_APP which requests different 17940 // semantics than normal for uninstalling system apps. 17941 markPackageUninstalledForUserLPw(ps, user); 17942 17943 if (!isSystemApp(ps)) { 17944 // Do not uninstall the APK if an app should be cached 17945 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 17946 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 17947 // Other user still have this package installed, so all 17948 // we need to do is clear this user's data and save that 17949 // it is uninstalled. 17950 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 17951 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17952 return false; 17953 } 17954 scheduleWritePackageRestrictionsLocked(user); 17955 return true; 17956 } else { 17957 // We need to set it back to 'installed' so the uninstall 17958 // broadcasts will be sent correctly. 17959 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 17960 ps.setInstalled(true, user.getIdentifier()); 17961 } 17962 } else { 17963 // This is a system app, so we assume that the 17964 // other users still have this package installed, so all 17965 // we need to do is clear this user's data and save that 17966 // it is uninstalled. 17967 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 17968 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17969 return false; 17970 } 17971 scheduleWritePackageRestrictionsLocked(user); 17972 return true; 17973 } 17974 } 17975 17976 // If we are deleting a composite package for all users, keep track 17977 // of result for each child. 17978 if (ps.childPackageNames != null && outInfo != null) { 17979 synchronized (mPackages) { 17980 final int childCount = ps.childPackageNames.size(); 17981 outInfo.removedChildPackages = new ArrayMap<>(childCount); 17982 for (int i = 0; i < childCount; i++) { 17983 String childPackageName = ps.childPackageNames.get(i); 17984 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 17985 childInfo.removedPackage = childPackageName; 17986 outInfo.removedChildPackages.put(childPackageName, childInfo); 17987 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17988 if (childPs != null) { 17989 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 17990 } 17991 } 17992 } 17993 } 17994 17995 boolean ret = false; 17996 if (isSystemApp(ps)) { 17997 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 17998 // When an updated system application is deleted we delete the existing resources 17999 // as well and fall back to existing code in system partition 18000 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18001 } else { 18002 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18003 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18004 outInfo, writeSettings, replacingPackage); 18005 } 18006 18007 // Take a note whether we deleted the package for all users 18008 if (outInfo != null) { 18009 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18010 if (outInfo.removedChildPackages != null) { 18011 synchronized (mPackages) { 18012 final int childCount = outInfo.removedChildPackages.size(); 18013 for (int i = 0; i < childCount; i++) { 18014 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18015 if (childInfo != null) { 18016 childInfo.removedForAllUsers = mPackages.get( 18017 childInfo.removedPackage) == null; 18018 } 18019 } 18020 } 18021 } 18022 // If we uninstalled an update to a system app there may be some 18023 // child packages that appeared as they are declared in the system 18024 // app but were not declared in the update. 18025 if (isSystemApp(ps)) { 18026 synchronized (mPackages) { 18027 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18028 final int childCount = (updatedPs.childPackageNames != null) 18029 ? updatedPs.childPackageNames.size() : 0; 18030 for (int i = 0; i < childCount; i++) { 18031 String childPackageName = updatedPs.childPackageNames.get(i); 18032 if (outInfo.removedChildPackages == null 18033 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18034 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18035 if (childPs == null) { 18036 continue; 18037 } 18038 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18039 installRes.name = childPackageName; 18040 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18041 installRes.pkg = mPackages.get(childPackageName); 18042 installRes.uid = childPs.pkg.applicationInfo.uid; 18043 if (outInfo.appearedChildPackages == null) { 18044 outInfo.appearedChildPackages = new ArrayMap<>(); 18045 } 18046 outInfo.appearedChildPackages.put(childPackageName, installRes); 18047 } 18048 } 18049 } 18050 } 18051 } 18052 18053 return ret; 18054 } 18055 18056 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18057 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18058 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18059 for (int nextUserId : userIds) { 18060 if (DEBUG_REMOVE) { 18061 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18062 } 18063 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18064 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 18065 false /*hidden*/, false /*suspended*/, null, null, null, 18066 false /*blockUninstall*/, 18067 ps.readUserState(nextUserId).domainVerificationStatus, 0, 18068 PackageManager.INSTALL_REASON_UNKNOWN); 18069 } 18070 } 18071 18072 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18073 PackageRemovedInfo outInfo) { 18074 final PackageParser.Package pkg; 18075 synchronized (mPackages) { 18076 pkg = mPackages.get(ps.name); 18077 } 18078 18079 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18080 : new int[] {userId}; 18081 for (int nextUserId : userIds) { 18082 if (DEBUG_REMOVE) { 18083 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18084 + nextUserId); 18085 } 18086 18087 destroyAppDataLIF(pkg, userId, 18088 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18089 destroyAppProfilesLIF(pkg, userId); 18090 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18091 schedulePackageCleaning(ps.name, nextUserId, false); 18092 synchronized (mPackages) { 18093 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18094 scheduleWritePackageRestrictionsLocked(nextUserId); 18095 } 18096 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18097 } 18098 } 18099 18100 if (outInfo != null) { 18101 outInfo.removedPackage = ps.name; 18102 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18103 outInfo.removedAppId = ps.appId; 18104 outInfo.removedUsers = userIds; 18105 } 18106 18107 return true; 18108 } 18109 18110 private final class ClearStorageConnection implements ServiceConnection { 18111 IMediaContainerService mContainerService; 18112 18113 @Override 18114 public void onServiceConnected(ComponentName name, IBinder service) { 18115 synchronized (this) { 18116 mContainerService = IMediaContainerService.Stub 18117 .asInterface(Binder.allowBlocking(service)); 18118 notifyAll(); 18119 } 18120 } 18121 18122 @Override 18123 public void onServiceDisconnected(ComponentName name) { 18124 } 18125 } 18126 18127 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18128 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18129 18130 final boolean mounted; 18131 if (Environment.isExternalStorageEmulated()) { 18132 mounted = true; 18133 } else { 18134 final String status = Environment.getExternalStorageState(); 18135 18136 mounted = status.equals(Environment.MEDIA_MOUNTED) 18137 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18138 } 18139 18140 if (!mounted) { 18141 return; 18142 } 18143 18144 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18145 int[] users; 18146 if (userId == UserHandle.USER_ALL) { 18147 users = sUserManager.getUserIds(); 18148 } else { 18149 users = new int[] { userId }; 18150 } 18151 final ClearStorageConnection conn = new ClearStorageConnection(); 18152 if (mContext.bindServiceAsUser( 18153 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18154 try { 18155 for (int curUser : users) { 18156 long timeout = SystemClock.uptimeMillis() + 5000; 18157 synchronized (conn) { 18158 long now; 18159 while (conn.mContainerService == null && 18160 (now = SystemClock.uptimeMillis()) < timeout) { 18161 try { 18162 conn.wait(timeout - now); 18163 } catch (InterruptedException e) { 18164 } 18165 } 18166 } 18167 if (conn.mContainerService == null) { 18168 return; 18169 } 18170 18171 final UserEnvironment userEnv = new UserEnvironment(curUser); 18172 clearDirectory(conn.mContainerService, 18173 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18174 if (allData) { 18175 clearDirectory(conn.mContainerService, 18176 userEnv.buildExternalStorageAppDataDirs(packageName)); 18177 clearDirectory(conn.mContainerService, 18178 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18179 } 18180 } 18181 } finally { 18182 mContext.unbindService(conn); 18183 } 18184 } 18185 } 18186 18187 @Override 18188 public void clearApplicationProfileData(String packageName) { 18189 enforceSystemOrRoot("Only the system can clear all profile data"); 18190 18191 final PackageParser.Package pkg; 18192 synchronized (mPackages) { 18193 pkg = mPackages.get(packageName); 18194 } 18195 18196 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18197 synchronized (mInstallLock) { 18198 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18199 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 18200 true /* removeBaseMarker */); 18201 } 18202 } 18203 } 18204 18205 @Override 18206 public void clearApplicationUserData(final String packageName, 18207 final IPackageDataObserver observer, final int userId) { 18208 mContext.enforceCallingOrSelfPermission( 18209 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18210 18211 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18212 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18213 18214 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18215 throw new SecurityException("Cannot clear data for a protected package: " 18216 + packageName); 18217 } 18218 // Queue up an async operation since the package deletion may take a little while. 18219 mHandler.post(new Runnable() { 18220 public void run() { 18221 mHandler.removeCallbacks(this); 18222 final boolean succeeded; 18223 try (PackageFreezer freezer = freezePackage(packageName, 18224 "clearApplicationUserData")) { 18225 synchronized (mInstallLock) { 18226 succeeded = clearApplicationUserDataLIF(packageName, userId); 18227 } 18228 clearExternalStorageDataSync(packageName, userId, true); 18229 } 18230 if (succeeded) { 18231 // invoke DeviceStorageMonitor's update method to clear any notifications 18232 DeviceStorageMonitorInternal dsm = LocalServices 18233 .getService(DeviceStorageMonitorInternal.class); 18234 if (dsm != null) { 18235 dsm.checkMemory(); 18236 } 18237 } 18238 if(observer != null) { 18239 try { 18240 observer.onRemoveCompleted(packageName, succeeded); 18241 } catch (RemoteException e) { 18242 Log.i(TAG, "Observer no longer exists."); 18243 } 18244 } //end if observer 18245 } //end run 18246 }); 18247 } 18248 18249 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18250 if (packageName == null) { 18251 Slog.w(TAG, "Attempt to delete null packageName."); 18252 return false; 18253 } 18254 18255 // Try finding details about the requested package 18256 PackageParser.Package pkg; 18257 synchronized (mPackages) { 18258 pkg = mPackages.get(packageName); 18259 if (pkg == null) { 18260 final PackageSetting ps = mSettings.mPackages.get(packageName); 18261 if (ps != null) { 18262 pkg = ps.pkg; 18263 } 18264 } 18265 18266 if (pkg == null) { 18267 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18268 return false; 18269 } 18270 18271 PackageSetting ps = (PackageSetting) pkg.mExtras; 18272 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18273 } 18274 18275 clearAppDataLIF(pkg, userId, 18276 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18277 18278 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18279 removeKeystoreDataIfNeeded(userId, appId); 18280 18281 UserManagerInternal umInternal = getUserManagerInternal(); 18282 final int flags; 18283 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18284 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18285 } else if (umInternal.isUserRunning(userId)) { 18286 flags = StorageManager.FLAG_STORAGE_DE; 18287 } else { 18288 flags = 0; 18289 } 18290 prepareAppDataContentsLIF(pkg, userId, flags); 18291 18292 return true; 18293 } 18294 18295 /** 18296 * Reverts user permission state changes (permissions and flags) in 18297 * all packages for a given user. 18298 * 18299 * @param userId The device user for which to do a reset. 18300 */ 18301 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18302 final int packageCount = mPackages.size(); 18303 for (int i = 0; i < packageCount; i++) { 18304 PackageParser.Package pkg = mPackages.valueAt(i); 18305 PackageSetting ps = (PackageSetting) pkg.mExtras; 18306 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18307 } 18308 } 18309 18310 private void resetNetworkPolicies(int userId) { 18311 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18312 } 18313 18314 /** 18315 * Reverts user permission state changes (permissions and flags). 18316 * 18317 * @param ps The package for which to reset. 18318 * @param userId The device user for which to do a reset. 18319 */ 18320 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18321 final PackageSetting ps, final int userId) { 18322 if (ps.pkg == null) { 18323 return; 18324 } 18325 18326 // These are flags that can change base on user actions. 18327 final int userSettableMask = FLAG_PERMISSION_USER_SET 18328 | FLAG_PERMISSION_USER_FIXED 18329 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18330 | FLAG_PERMISSION_REVIEW_REQUIRED; 18331 18332 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18333 | FLAG_PERMISSION_POLICY_FIXED; 18334 18335 boolean writeInstallPermissions = false; 18336 boolean writeRuntimePermissions = false; 18337 18338 final int permissionCount = ps.pkg.requestedPermissions.size(); 18339 for (int i = 0; i < permissionCount; i++) { 18340 String permission = ps.pkg.requestedPermissions.get(i); 18341 18342 BasePermission bp = mSettings.mPermissions.get(permission); 18343 if (bp == null) { 18344 continue; 18345 } 18346 18347 // If shared user we just reset the state to which only this app contributed. 18348 if (ps.sharedUser != null) { 18349 boolean used = false; 18350 final int packageCount = ps.sharedUser.packages.size(); 18351 for (int j = 0; j < packageCount; j++) { 18352 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18353 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18354 && pkg.pkg.requestedPermissions.contains(permission)) { 18355 used = true; 18356 break; 18357 } 18358 } 18359 if (used) { 18360 continue; 18361 } 18362 } 18363 18364 PermissionsState permissionsState = ps.getPermissionsState(); 18365 18366 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18367 18368 // Always clear the user settable flags. 18369 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18370 bp.name) != null; 18371 // If permission review is enabled and this is a legacy app, mark the 18372 // permission as requiring a review as this is the initial state. 18373 int flags = 0; 18374 if (mPermissionReviewRequired 18375 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18376 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18377 } 18378 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18379 if (hasInstallState) { 18380 writeInstallPermissions = true; 18381 } else { 18382 writeRuntimePermissions = true; 18383 } 18384 } 18385 18386 // Below is only runtime permission handling. 18387 if (!bp.isRuntime()) { 18388 continue; 18389 } 18390 18391 // Never clobber system or policy. 18392 if ((oldFlags & policyOrSystemFlags) != 0) { 18393 continue; 18394 } 18395 18396 // If this permission was granted by default, make sure it is. 18397 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18398 if (permissionsState.grantRuntimePermission(bp, userId) 18399 != PERMISSION_OPERATION_FAILURE) { 18400 writeRuntimePermissions = true; 18401 } 18402 // If permission review is enabled the permissions for a legacy apps 18403 // are represented as constantly granted runtime ones, so don't revoke. 18404 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18405 // Otherwise, reset the permission. 18406 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18407 switch (revokeResult) { 18408 case PERMISSION_OPERATION_SUCCESS: 18409 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18410 writeRuntimePermissions = true; 18411 final int appId = ps.appId; 18412 mHandler.post(new Runnable() { 18413 @Override 18414 public void run() { 18415 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18416 } 18417 }); 18418 } break; 18419 } 18420 } 18421 } 18422 18423 // Synchronously write as we are taking permissions away. 18424 if (writeRuntimePermissions) { 18425 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18426 } 18427 18428 // Synchronously write as we are taking permissions away. 18429 if (writeInstallPermissions) { 18430 mSettings.writeLPr(); 18431 } 18432 } 18433 18434 /** 18435 * Remove entries from the keystore daemon. Will only remove it if the 18436 * {@code appId} is valid. 18437 */ 18438 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18439 if (appId < 0) { 18440 return; 18441 } 18442 18443 final KeyStore keyStore = KeyStore.getInstance(); 18444 if (keyStore != null) { 18445 if (userId == UserHandle.USER_ALL) { 18446 for (final int individual : sUserManager.getUserIds()) { 18447 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18448 } 18449 } else { 18450 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18451 } 18452 } else { 18453 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18454 } 18455 } 18456 18457 @Override 18458 public void deleteApplicationCacheFiles(final String packageName, 18459 final IPackageDataObserver observer) { 18460 final int userId = UserHandle.getCallingUserId(); 18461 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18462 } 18463 18464 @Override 18465 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18466 final IPackageDataObserver observer) { 18467 mContext.enforceCallingOrSelfPermission( 18468 android.Manifest.permission.DELETE_CACHE_FILES, null); 18469 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18470 /* requireFullPermission= */ true, /* checkShell= */ false, 18471 "delete application cache files"); 18472 18473 final PackageParser.Package pkg; 18474 synchronized (mPackages) { 18475 pkg = mPackages.get(packageName); 18476 } 18477 18478 // Queue up an async operation since the package deletion may take a little while. 18479 mHandler.post(new Runnable() { 18480 public void run() { 18481 synchronized (mInstallLock) { 18482 final int flags = StorageManager.FLAG_STORAGE_DE 18483 | StorageManager.FLAG_STORAGE_CE; 18484 // We're only clearing cache files, so we don't care if the 18485 // app is unfrozen and still able to run 18486 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18487 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18488 } 18489 clearExternalStorageDataSync(packageName, userId, false); 18490 if (observer != null) { 18491 try { 18492 observer.onRemoveCompleted(packageName, true); 18493 } catch (RemoteException e) { 18494 Log.i(TAG, "Observer no longer exists."); 18495 } 18496 } 18497 } 18498 }); 18499 } 18500 18501 @Override 18502 public void getPackageSizeInfo(final String packageName, int userHandle, 18503 final IPackageStatsObserver observer) { 18504 mContext.enforceCallingOrSelfPermission( 18505 android.Manifest.permission.GET_PACKAGE_SIZE, null); 18506 if (packageName == null) { 18507 throw new IllegalArgumentException("Attempt to get size of null packageName"); 18508 } 18509 18510 PackageStats stats = new PackageStats(packageName, userHandle); 18511 18512 /* 18513 * Queue up an async operation since the package measurement may take a 18514 * little while. 18515 */ 18516 Message msg = mHandler.obtainMessage(INIT_COPY); 18517 msg.obj = new MeasureParams(stats, observer); 18518 mHandler.sendMessage(msg); 18519 } 18520 18521 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18522 final PackageSetting ps; 18523 synchronized (mPackages) { 18524 ps = mSettings.mPackages.get(packageName); 18525 if (ps == null) { 18526 Slog.w(TAG, "Failed to find settings for " + packageName); 18527 return false; 18528 } 18529 } 18530 18531 final String[] packageNames = { packageName }; 18532 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18533 final String[] codePaths = { ps.codePathString }; 18534 18535 try { 18536 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18537 ps.appId, ceDataInodes, codePaths, stats); 18538 18539 // For now, ignore code size of packages on system partition 18540 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18541 stats.codeSize = 0; 18542 } 18543 18544 // External clients expect these to be tracked separately 18545 stats.dataSize -= stats.cacheSize; 18546 18547 } catch (InstallerException e) { 18548 Slog.w(TAG, String.valueOf(e)); 18549 return false; 18550 } 18551 18552 return true; 18553 } 18554 18555 private int getUidTargetSdkVersionLockedLPr(int uid) { 18556 Object obj = mSettings.getUserIdLPr(uid); 18557 if (obj instanceof SharedUserSetting) { 18558 final SharedUserSetting sus = (SharedUserSetting) obj; 18559 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18560 final Iterator<PackageSetting> it = sus.packages.iterator(); 18561 while (it.hasNext()) { 18562 final PackageSetting ps = it.next(); 18563 if (ps.pkg != null) { 18564 int v = ps.pkg.applicationInfo.targetSdkVersion; 18565 if (v < vers) vers = v; 18566 } 18567 } 18568 return vers; 18569 } else if (obj instanceof PackageSetting) { 18570 final PackageSetting ps = (PackageSetting) obj; 18571 if (ps.pkg != null) { 18572 return ps.pkg.applicationInfo.targetSdkVersion; 18573 } 18574 } 18575 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18576 } 18577 18578 @Override 18579 public void addPreferredActivity(IntentFilter filter, int match, 18580 ComponentName[] set, ComponentName activity, int userId) { 18581 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18582 "Adding preferred"); 18583 } 18584 18585 private void addPreferredActivityInternal(IntentFilter filter, int match, 18586 ComponentName[] set, ComponentName activity, boolean always, int userId, 18587 String opname) { 18588 // writer 18589 int callingUid = Binder.getCallingUid(); 18590 enforceCrossUserPermission(callingUid, userId, 18591 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18592 if (filter.countActions() == 0) { 18593 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18594 return; 18595 } 18596 synchronized (mPackages) { 18597 if (mContext.checkCallingOrSelfPermission( 18598 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18599 != PackageManager.PERMISSION_GRANTED) { 18600 if (getUidTargetSdkVersionLockedLPr(callingUid) 18601 < Build.VERSION_CODES.FROYO) { 18602 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18603 + callingUid); 18604 return; 18605 } 18606 mContext.enforceCallingOrSelfPermission( 18607 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18608 } 18609 18610 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18611 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18612 + userId + ":"); 18613 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18614 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18615 scheduleWritePackageRestrictionsLocked(userId); 18616 postPreferredActivityChangedBroadcast(userId); 18617 } 18618 } 18619 18620 private void postPreferredActivityChangedBroadcast(int userId) { 18621 mHandler.post(() -> { 18622 final IActivityManager am = ActivityManager.getService(); 18623 if (am == null) { 18624 return; 18625 } 18626 18627 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18628 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18629 try { 18630 am.broadcastIntent(null, intent, null, null, 18631 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18632 null, false, false, userId); 18633 } catch (RemoteException e) { 18634 } 18635 }); 18636 } 18637 18638 @Override 18639 public void replacePreferredActivity(IntentFilter filter, int match, 18640 ComponentName[] set, ComponentName activity, int userId) { 18641 if (filter.countActions() != 1) { 18642 throw new IllegalArgumentException( 18643 "replacePreferredActivity expects filter to have only 1 action."); 18644 } 18645 if (filter.countDataAuthorities() != 0 18646 || filter.countDataPaths() != 0 18647 || filter.countDataSchemes() > 1 18648 || filter.countDataTypes() != 0) { 18649 throw new IllegalArgumentException( 18650 "replacePreferredActivity expects filter to have no data authorities, " + 18651 "paths, or types; and at most one scheme."); 18652 } 18653 18654 final int callingUid = Binder.getCallingUid(); 18655 enforceCrossUserPermission(callingUid, userId, 18656 true /* requireFullPermission */, false /* checkShell */, 18657 "replace preferred activity"); 18658 synchronized (mPackages) { 18659 if (mContext.checkCallingOrSelfPermission( 18660 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18661 != PackageManager.PERMISSION_GRANTED) { 18662 if (getUidTargetSdkVersionLockedLPr(callingUid) 18663 < Build.VERSION_CODES.FROYO) { 18664 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18665 + Binder.getCallingUid()); 18666 return; 18667 } 18668 mContext.enforceCallingOrSelfPermission( 18669 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18670 } 18671 18672 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18673 if (pir != null) { 18674 // Get all of the existing entries that exactly match this filter. 18675 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18676 if (existing != null && existing.size() == 1) { 18677 PreferredActivity cur = existing.get(0); 18678 if (DEBUG_PREFERRED) { 18679 Slog.i(TAG, "Checking replace of preferred:"); 18680 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18681 if (!cur.mPref.mAlways) { 18682 Slog.i(TAG, " -- CUR; not mAlways!"); 18683 } else { 18684 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18685 Slog.i(TAG, " -- CUR: mSet=" 18686 + Arrays.toString(cur.mPref.mSetComponents)); 18687 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18688 Slog.i(TAG, " -- NEW: mMatch=" 18689 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18690 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18691 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18692 } 18693 } 18694 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18695 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18696 && cur.mPref.sameSet(set)) { 18697 // Setting the preferred activity to what it happens to be already 18698 if (DEBUG_PREFERRED) { 18699 Slog.i(TAG, "Replacing with same preferred activity " 18700 + cur.mPref.mShortComponent + " for user " 18701 + userId + ":"); 18702 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18703 } 18704 return; 18705 } 18706 } 18707 18708 if (existing != null) { 18709 if (DEBUG_PREFERRED) { 18710 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18711 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18712 } 18713 for (int i = 0; i < existing.size(); i++) { 18714 PreferredActivity pa = existing.get(i); 18715 if (DEBUG_PREFERRED) { 18716 Slog.i(TAG, "Removing existing preferred activity " 18717 + pa.mPref.mComponent + ":"); 18718 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18719 } 18720 pir.removeFilter(pa); 18721 } 18722 } 18723 } 18724 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18725 "Replacing preferred"); 18726 } 18727 } 18728 18729 @Override 18730 public void clearPackagePreferredActivities(String packageName) { 18731 final int uid = Binder.getCallingUid(); 18732 // writer 18733 synchronized (mPackages) { 18734 PackageParser.Package pkg = mPackages.get(packageName); 18735 if (pkg == null || pkg.applicationInfo.uid != uid) { 18736 if (mContext.checkCallingOrSelfPermission( 18737 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18738 != PackageManager.PERMISSION_GRANTED) { 18739 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18740 < Build.VERSION_CODES.FROYO) { 18741 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18742 + Binder.getCallingUid()); 18743 return; 18744 } 18745 mContext.enforceCallingOrSelfPermission( 18746 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18747 } 18748 } 18749 18750 int user = UserHandle.getCallingUserId(); 18751 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18752 scheduleWritePackageRestrictionsLocked(user); 18753 } 18754 } 18755 } 18756 18757 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18758 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18759 ArrayList<PreferredActivity> removed = null; 18760 boolean changed = false; 18761 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18762 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18763 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18764 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18765 continue; 18766 } 18767 Iterator<PreferredActivity> it = pir.filterIterator(); 18768 while (it.hasNext()) { 18769 PreferredActivity pa = it.next(); 18770 // Mark entry for removal only if it matches the package name 18771 // and the entry is of type "always". 18772 if (packageName == null || 18773 (pa.mPref.mComponent.getPackageName().equals(packageName) 18774 && pa.mPref.mAlways)) { 18775 if (removed == null) { 18776 removed = new ArrayList<PreferredActivity>(); 18777 } 18778 removed.add(pa); 18779 } 18780 } 18781 if (removed != null) { 18782 for (int j=0; j<removed.size(); j++) { 18783 PreferredActivity pa = removed.get(j); 18784 pir.removeFilter(pa); 18785 } 18786 changed = true; 18787 } 18788 } 18789 if (changed) { 18790 postPreferredActivityChangedBroadcast(userId); 18791 } 18792 return changed; 18793 } 18794 18795 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18796 private void clearIntentFilterVerificationsLPw(int userId) { 18797 final int packageCount = mPackages.size(); 18798 for (int i = 0; i < packageCount; i++) { 18799 PackageParser.Package pkg = mPackages.valueAt(i); 18800 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18801 } 18802 } 18803 18804 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18805 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18806 if (userId == UserHandle.USER_ALL) { 18807 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18808 sUserManager.getUserIds())) { 18809 for (int oneUserId : sUserManager.getUserIds()) { 18810 scheduleWritePackageRestrictionsLocked(oneUserId); 18811 } 18812 } 18813 } else { 18814 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 18815 scheduleWritePackageRestrictionsLocked(userId); 18816 } 18817 } 18818 } 18819 18820 void clearDefaultBrowserIfNeeded(String packageName) { 18821 for (int oneUserId : sUserManager.getUserIds()) { 18822 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 18823 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 18824 if (packageName.equals(defaultBrowserPackageName)) { 18825 setDefaultBrowserPackageName(null, oneUserId); 18826 } 18827 } 18828 } 18829 18830 @Override 18831 public void resetApplicationPreferences(int userId) { 18832 mContext.enforceCallingOrSelfPermission( 18833 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18834 final long identity = Binder.clearCallingIdentity(); 18835 // writer 18836 try { 18837 synchronized (mPackages) { 18838 clearPackagePreferredActivitiesLPw(null, userId); 18839 mSettings.applyDefaultPreferredAppsLPw(this, userId); 18840 // TODO: We have to reset the default SMS and Phone. This requires 18841 // significant refactoring to keep all default apps in the package 18842 // manager (cleaner but more work) or have the services provide 18843 // callbacks to the package manager to request a default app reset. 18844 applyFactoryDefaultBrowserLPw(userId); 18845 clearIntentFilterVerificationsLPw(userId); 18846 primeDomainVerificationsLPw(userId); 18847 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 18848 scheduleWritePackageRestrictionsLocked(userId); 18849 } 18850 resetNetworkPolicies(userId); 18851 } finally { 18852 Binder.restoreCallingIdentity(identity); 18853 } 18854 } 18855 18856 @Override 18857 public int getPreferredActivities(List<IntentFilter> outFilters, 18858 List<ComponentName> outActivities, String packageName) { 18859 18860 int num = 0; 18861 final int userId = UserHandle.getCallingUserId(); 18862 // reader 18863 synchronized (mPackages) { 18864 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18865 if (pir != null) { 18866 final Iterator<PreferredActivity> it = pir.filterIterator(); 18867 while (it.hasNext()) { 18868 final PreferredActivity pa = it.next(); 18869 if (packageName == null 18870 || (pa.mPref.mComponent.getPackageName().equals(packageName) 18871 && pa.mPref.mAlways)) { 18872 if (outFilters != null) { 18873 outFilters.add(new IntentFilter(pa)); 18874 } 18875 if (outActivities != null) { 18876 outActivities.add(pa.mPref.mComponent); 18877 } 18878 } 18879 } 18880 } 18881 } 18882 18883 return num; 18884 } 18885 18886 @Override 18887 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 18888 int userId) { 18889 int callingUid = Binder.getCallingUid(); 18890 if (callingUid != Process.SYSTEM_UID) { 18891 throw new SecurityException( 18892 "addPersistentPreferredActivity can only be run by the system"); 18893 } 18894 if (filter.countActions() == 0) { 18895 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18896 return; 18897 } 18898 synchronized (mPackages) { 18899 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 18900 ":"); 18901 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18902 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 18903 new PersistentPreferredActivity(filter, activity)); 18904 scheduleWritePackageRestrictionsLocked(userId); 18905 postPreferredActivityChangedBroadcast(userId); 18906 } 18907 } 18908 18909 @Override 18910 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 18911 int callingUid = Binder.getCallingUid(); 18912 if (callingUid != Process.SYSTEM_UID) { 18913 throw new SecurityException( 18914 "clearPackagePersistentPreferredActivities can only be run by the system"); 18915 } 18916 ArrayList<PersistentPreferredActivity> removed = null; 18917 boolean changed = false; 18918 synchronized (mPackages) { 18919 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 18920 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 18921 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 18922 .valueAt(i); 18923 if (userId != thisUserId) { 18924 continue; 18925 } 18926 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 18927 while (it.hasNext()) { 18928 PersistentPreferredActivity ppa = it.next(); 18929 // Mark entry for removal only if it matches the package name. 18930 if (ppa.mComponent.getPackageName().equals(packageName)) { 18931 if (removed == null) { 18932 removed = new ArrayList<PersistentPreferredActivity>(); 18933 } 18934 removed.add(ppa); 18935 } 18936 } 18937 if (removed != null) { 18938 for (int j=0; j<removed.size(); j++) { 18939 PersistentPreferredActivity ppa = removed.get(j); 18940 ppir.removeFilter(ppa); 18941 } 18942 changed = true; 18943 } 18944 } 18945 18946 if (changed) { 18947 scheduleWritePackageRestrictionsLocked(userId); 18948 postPreferredActivityChangedBroadcast(userId); 18949 } 18950 } 18951 } 18952 18953 /** 18954 * Common machinery for picking apart a restored XML blob and passing 18955 * it to a caller-supplied functor to be applied to the running system. 18956 */ 18957 private void restoreFromXml(XmlPullParser parser, int userId, 18958 String expectedStartTag, BlobXmlRestorer functor) 18959 throws IOException, XmlPullParserException { 18960 int type; 18961 while ((type = parser.next()) != XmlPullParser.START_TAG 18962 && type != XmlPullParser.END_DOCUMENT) { 18963 } 18964 if (type != XmlPullParser.START_TAG) { 18965 // oops didn't find a start tag?! 18966 if (DEBUG_BACKUP) { 18967 Slog.e(TAG, "Didn't find start tag during restore"); 18968 } 18969 return; 18970 } 18971Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 18972 // this is supposed to be TAG_PREFERRED_BACKUP 18973 if (!expectedStartTag.equals(parser.getName())) { 18974 if (DEBUG_BACKUP) { 18975 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 18976 } 18977 return; 18978 } 18979 18980 // skip interfering stuff, then we're aligned with the backing implementation 18981 while ((type = parser.next()) == XmlPullParser.TEXT) { } 18982Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 18983 functor.apply(parser, userId); 18984 } 18985 18986 private interface BlobXmlRestorer { 18987 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 18988 } 18989 18990 /** 18991 * Non-Binder method, support for the backup/restore mechanism: write the 18992 * full set of preferred activities in its canonical XML format. Returns the 18993 * XML output as a byte array, or null if there is none. 18994 */ 18995 @Override 18996 public byte[] getPreferredActivityBackup(int userId) { 18997 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18998 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 18999 } 19000 19001 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19002 try { 19003 final XmlSerializer serializer = new FastXmlSerializer(); 19004 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19005 serializer.startDocument(null, true); 19006 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19007 19008 synchronized (mPackages) { 19009 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19010 } 19011 19012 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19013 serializer.endDocument(); 19014 serializer.flush(); 19015 } catch (Exception e) { 19016 if (DEBUG_BACKUP) { 19017 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19018 } 19019 return null; 19020 } 19021 19022 return dataStream.toByteArray(); 19023 } 19024 19025 @Override 19026 public void restorePreferredActivities(byte[] backup, int userId) { 19027 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19028 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19029 } 19030 19031 try { 19032 final XmlPullParser parser = Xml.newPullParser(); 19033 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19034 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19035 new BlobXmlRestorer() { 19036 @Override 19037 public void apply(XmlPullParser parser, int userId) 19038 throws XmlPullParserException, IOException { 19039 synchronized (mPackages) { 19040 mSettings.readPreferredActivitiesLPw(parser, userId); 19041 } 19042 } 19043 } ); 19044 } catch (Exception e) { 19045 if (DEBUG_BACKUP) { 19046 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19047 } 19048 } 19049 } 19050 19051 /** 19052 * Non-Binder method, support for the backup/restore mechanism: write the 19053 * default browser (etc) settings in its canonical XML format. Returns the default 19054 * browser XML representation as a byte array, or null if there is none. 19055 */ 19056 @Override 19057 public byte[] getDefaultAppsBackup(int userId) { 19058 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19059 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19060 } 19061 19062 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19063 try { 19064 final XmlSerializer serializer = new FastXmlSerializer(); 19065 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19066 serializer.startDocument(null, true); 19067 serializer.startTag(null, TAG_DEFAULT_APPS); 19068 19069 synchronized (mPackages) { 19070 mSettings.writeDefaultAppsLPr(serializer, userId); 19071 } 19072 19073 serializer.endTag(null, TAG_DEFAULT_APPS); 19074 serializer.endDocument(); 19075 serializer.flush(); 19076 } catch (Exception e) { 19077 if (DEBUG_BACKUP) { 19078 Slog.e(TAG, "Unable to write default apps for backup", e); 19079 } 19080 return null; 19081 } 19082 19083 return dataStream.toByteArray(); 19084 } 19085 19086 @Override 19087 public void restoreDefaultApps(byte[] backup, int userId) { 19088 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19089 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19090 } 19091 19092 try { 19093 final XmlPullParser parser = Xml.newPullParser(); 19094 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19095 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19096 new BlobXmlRestorer() { 19097 @Override 19098 public void apply(XmlPullParser parser, int userId) 19099 throws XmlPullParserException, IOException { 19100 synchronized (mPackages) { 19101 mSettings.readDefaultAppsLPw(parser, userId); 19102 } 19103 } 19104 } ); 19105 } catch (Exception e) { 19106 if (DEBUG_BACKUP) { 19107 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19108 } 19109 } 19110 } 19111 19112 @Override 19113 public byte[] getIntentFilterVerificationBackup(int userId) { 19114 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19115 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19116 } 19117 19118 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19119 try { 19120 final XmlSerializer serializer = new FastXmlSerializer(); 19121 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19122 serializer.startDocument(null, true); 19123 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19124 19125 synchronized (mPackages) { 19126 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19127 } 19128 19129 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19130 serializer.endDocument(); 19131 serializer.flush(); 19132 } catch (Exception e) { 19133 if (DEBUG_BACKUP) { 19134 Slog.e(TAG, "Unable to write default apps for backup", e); 19135 } 19136 return null; 19137 } 19138 19139 return dataStream.toByteArray(); 19140 } 19141 19142 @Override 19143 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19144 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19145 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19146 } 19147 19148 try { 19149 final XmlPullParser parser = Xml.newPullParser(); 19150 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19151 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19152 new BlobXmlRestorer() { 19153 @Override 19154 public void apply(XmlPullParser parser, int userId) 19155 throws XmlPullParserException, IOException { 19156 synchronized (mPackages) { 19157 mSettings.readAllDomainVerificationsLPr(parser, userId); 19158 mSettings.writeLPr(); 19159 } 19160 } 19161 } ); 19162 } catch (Exception e) { 19163 if (DEBUG_BACKUP) { 19164 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19165 } 19166 } 19167 } 19168 19169 @Override 19170 public byte[] getPermissionGrantBackup(int userId) { 19171 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19172 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19173 } 19174 19175 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19176 try { 19177 final XmlSerializer serializer = new FastXmlSerializer(); 19178 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19179 serializer.startDocument(null, true); 19180 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19181 19182 synchronized (mPackages) { 19183 serializeRuntimePermissionGrantsLPr(serializer, userId); 19184 } 19185 19186 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19187 serializer.endDocument(); 19188 serializer.flush(); 19189 } catch (Exception e) { 19190 if (DEBUG_BACKUP) { 19191 Slog.e(TAG, "Unable to write default apps for backup", e); 19192 } 19193 return null; 19194 } 19195 19196 return dataStream.toByteArray(); 19197 } 19198 19199 @Override 19200 public void restorePermissionGrants(byte[] backup, int userId) { 19201 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19202 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19203 } 19204 19205 try { 19206 final XmlPullParser parser = Xml.newPullParser(); 19207 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19208 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19209 new BlobXmlRestorer() { 19210 @Override 19211 public void apply(XmlPullParser parser, int userId) 19212 throws XmlPullParserException, IOException { 19213 synchronized (mPackages) { 19214 processRestoredPermissionGrantsLPr(parser, userId); 19215 } 19216 } 19217 } ); 19218 } catch (Exception e) { 19219 if (DEBUG_BACKUP) { 19220 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19221 } 19222 } 19223 } 19224 19225 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19226 throws IOException { 19227 serializer.startTag(null, TAG_ALL_GRANTS); 19228 19229 final int N = mSettings.mPackages.size(); 19230 for (int i = 0; i < N; i++) { 19231 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19232 boolean pkgGrantsKnown = false; 19233 19234 PermissionsState packagePerms = ps.getPermissionsState(); 19235 19236 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19237 final int grantFlags = state.getFlags(); 19238 // only look at grants that are not system/policy fixed 19239 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19240 final boolean isGranted = state.isGranted(); 19241 // And only back up the user-twiddled state bits 19242 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19243 final String packageName = mSettings.mPackages.keyAt(i); 19244 if (!pkgGrantsKnown) { 19245 serializer.startTag(null, TAG_GRANT); 19246 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19247 pkgGrantsKnown = true; 19248 } 19249 19250 final boolean userSet = 19251 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19252 final boolean userFixed = 19253 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19254 final boolean revoke = 19255 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19256 19257 serializer.startTag(null, TAG_PERMISSION); 19258 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19259 if (isGranted) { 19260 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19261 } 19262 if (userSet) { 19263 serializer.attribute(null, ATTR_USER_SET, "true"); 19264 } 19265 if (userFixed) { 19266 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19267 } 19268 if (revoke) { 19269 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19270 } 19271 serializer.endTag(null, TAG_PERMISSION); 19272 } 19273 } 19274 } 19275 19276 if (pkgGrantsKnown) { 19277 serializer.endTag(null, TAG_GRANT); 19278 } 19279 } 19280 19281 serializer.endTag(null, TAG_ALL_GRANTS); 19282 } 19283 19284 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19285 throws XmlPullParserException, IOException { 19286 String pkgName = null; 19287 int outerDepth = parser.getDepth(); 19288 int type; 19289 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19290 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19291 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19292 continue; 19293 } 19294 19295 final String tagName = parser.getName(); 19296 if (tagName.equals(TAG_GRANT)) { 19297 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19298 if (DEBUG_BACKUP) { 19299 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19300 } 19301 } else if (tagName.equals(TAG_PERMISSION)) { 19302 19303 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19304 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19305 19306 int newFlagSet = 0; 19307 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19308 newFlagSet |= FLAG_PERMISSION_USER_SET; 19309 } 19310 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19311 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19312 } 19313 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19314 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19315 } 19316 if (DEBUG_BACKUP) { 19317 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19318 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19319 } 19320 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19321 if (ps != null) { 19322 // Already installed so we apply the grant immediately 19323 if (DEBUG_BACKUP) { 19324 Slog.v(TAG, " + already installed; applying"); 19325 } 19326 PermissionsState perms = ps.getPermissionsState(); 19327 BasePermission bp = mSettings.mPermissions.get(permName); 19328 if (bp != null) { 19329 if (isGranted) { 19330 perms.grantRuntimePermission(bp, userId); 19331 } 19332 if (newFlagSet != 0) { 19333 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19334 } 19335 } 19336 } else { 19337 // Need to wait for post-restore install to apply the grant 19338 if (DEBUG_BACKUP) { 19339 Slog.v(TAG, " - not yet installed; saving for later"); 19340 } 19341 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19342 isGranted, newFlagSet, userId); 19343 } 19344 } else { 19345 PackageManagerService.reportSettingsProblem(Log.WARN, 19346 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19347 XmlUtils.skipCurrentTag(parser); 19348 } 19349 } 19350 19351 scheduleWriteSettingsLocked(); 19352 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19353 } 19354 19355 @Override 19356 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19357 int sourceUserId, int targetUserId, int flags) { 19358 mContext.enforceCallingOrSelfPermission( 19359 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19360 int callingUid = Binder.getCallingUid(); 19361 enforceOwnerRights(ownerPackage, callingUid); 19362 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19363 if (intentFilter.countActions() == 0) { 19364 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19365 return; 19366 } 19367 synchronized (mPackages) { 19368 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19369 ownerPackage, targetUserId, flags); 19370 CrossProfileIntentResolver resolver = 19371 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19372 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19373 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19374 if (existing != null) { 19375 int size = existing.size(); 19376 for (int i = 0; i < size; i++) { 19377 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19378 return; 19379 } 19380 } 19381 } 19382 resolver.addFilter(newFilter); 19383 scheduleWritePackageRestrictionsLocked(sourceUserId); 19384 } 19385 } 19386 19387 @Override 19388 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19389 mContext.enforceCallingOrSelfPermission( 19390 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19391 int callingUid = Binder.getCallingUid(); 19392 enforceOwnerRights(ownerPackage, callingUid); 19393 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19394 synchronized (mPackages) { 19395 CrossProfileIntentResolver resolver = 19396 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19397 ArraySet<CrossProfileIntentFilter> set = 19398 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19399 for (CrossProfileIntentFilter filter : set) { 19400 if (filter.getOwnerPackage().equals(ownerPackage)) { 19401 resolver.removeFilter(filter); 19402 } 19403 } 19404 scheduleWritePackageRestrictionsLocked(sourceUserId); 19405 } 19406 } 19407 19408 // Enforcing that callingUid is owning pkg on userId 19409 private void enforceOwnerRights(String pkg, int callingUid) { 19410 // The system owns everything. 19411 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19412 return; 19413 } 19414 int callingUserId = UserHandle.getUserId(callingUid); 19415 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19416 if (pi == null) { 19417 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19418 + callingUserId); 19419 } 19420 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19421 throw new SecurityException("Calling uid " + callingUid 19422 + " does not own package " + pkg); 19423 } 19424 } 19425 19426 @Override 19427 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19428 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19429 } 19430 19431 private Intent getHomeIntent() { 19432 Intent intent = new Intent(Intent.ACTION_MAIN); 19433 intent.addCategory(Intent.CATEGORY_HOME); 19434 intent.addCategory(Intent.CATEGORY_DEFAULT); 19435 return intent; 19436 } 19437 19438 private IntentFilter getHomeFilter() { 19439 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19440 filter.addCategory(Intent.CATEGORY_HOME); 19441 filter.addCategory(Intent.CATEGORY_DEFAULT); 19442 return filter; 19443 } 19444 19445 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19446 int userId) { 19447 Intent intent = getHomeIntent(); 19448 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19449 PackageManager.GET_META_DATA, userId); 19450 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19451 true, false, false, userId); 19452 19453 allHomeCandidates.clear(); 19454 if (list != null) { 19455 for (ResolveInfo ri : list) { 19456 allHomeCandidates.add(ri); 19457 } 19458 } 19459 return (preferred == null || preferred.activityInfo == null) 19460 ? null 19461 : new ComponentName(preferred.activityInfo.packageName, 19462 preferred.activityInfo.name); 19463 } 19464 19465 @Override 19466 public void setHomeActivity(ComponentName comp, int userId) { 19467 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19468 getHomeActivitiesAsUser(homeActivities, userId); 19469 19470 boolean found = false; 19471 19472 final int size = homeActivities.size(); 19473 final ComponentName[] set = new ComponentName[size]; 19474 for (int i = 0; i < size; i++) { 19475 final ResolveInfo candidate = homeActivities.get(i); 19476 final ActivityInfo info = candidate.activityInfo; 19477 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19478 set[i] = activityName; 19479 if (!found && activityName.equals(comp)) { 19480 found = true; 19481 } 19482 } 19483 if (!found) { 19484 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19485 + userId); 19486 } 19487 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19488 set, comp, userId); 19489 } 19490 19491 private @Nullable String getSetupWizardPackageName() { 19492 final Intent intent = new Intent(Intent.ACTION_MAIN); 19493 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19494 19495 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19496 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19497 | MATCH_DISABLED_COMPONENTS, 19498 UserHandle.myUserId()); 19499 if (matches.size() == 1) { 19500 return matches.get(0).getComponentInfo().packageName; 19501 } else { 19502 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19503 + ": matches=" + matches); 19504 return null; 19505 } 19506 } 19507 19508 private @Nullable String getStorageManagerPackageName() { 19509 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19510 19511 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19512 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19513 | MATCH_DISABLED_COMPONENTS, 19514 UserHandle.myUserId()); 19515 if (matches.size() == 1) { 19516 return matches.get(0).getComponentInfo().packageName; 19517 } else { 19518 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19519 + matches.size() + ": matches=" + matches); 19520 return null; 19521 } 19522 } 19523 19524 @Override 19525 public void setApplicationEnabledSetting(String appPackageName, 19526 int newState, int flags, int userId, String callingPackage) { 19527 if (!sUserManager.exists(userId)) return; 19528 if (callingPackage == null) { 19529 callingPackage = Integer.toString(Binder.getCallingUid()); 19530 } 19531 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19532 } 19533 19534 @Override 19535 public void setComponentEnabledSetting(ComponentName componentName, 19536 int newState, int flags, int userId) { 19537 if (!sUserManager.exists(userId)) return; 19538 setEnabledSetting(componentName.getPackageName(), 19539 componentName.getClassName(), newState, flags, userId, null); 19540 } 19541 19542 private void setEnabledSetting(final String packageName, String className, int newState, 19543 final int flags, int userId, String callingPackage) { 19544 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19545 || newState == COMPONENT_ENABLED_STATE_ENABLED 19546 || newState == COMPONENT_ENABLED_STATE_DISABLED 19547 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19548 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19549 throw new IllegalArgumentException("Invalid new component state: " 19550 + newState); 19551 } 19552 PackageSetting pkgSetting; 19553 final int uid = Binder.getCallingUid(); 19554 final int permission; 19555 if (uid == Process.SYSTEM_UID) { 19556 permission = PackageManager.PERMISSION_GRANTED; 19557 } else { 19558 permission = mContext.checkCallingOrSelfPermission( 19559 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19560 } 19561 enforceCrossUserPermission(uid, userId, 19562 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19563 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19564 boolean sendNow = false; 19565 boolean isApp = (className == null); 19566 String componentName = isApp ? packageName : className; 19567 int packageUid = -1; 19568 ArrayList<String> components; 19569 19570 // writer 19571 synchronized (mPackages) { 19572 pkgSetting = mSettings.mPackages.get(packageName); 19573 if (pkgSetting == null) { 19574 if (className == null) { 19575 throw new IllegalArgumentException("Unknown package: " + packageName); 19576 } 19577 throw new IllegalArgumentException( 19578 "Unknown component: " + packageName + "/" + className); 19579 } 19580 } 19581 19582 // Limit who can change which apps 19583 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19584 // Don't allow apps that don't have permission to modify other apps 19585 if (!allowedByPermission) { 19586 throw new SecurityException( 19587 "Permission Denial: attempt to change component state from pid=" 19588 + Binder.getCallingPid() 19589 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19590 } 19591 // Don't allow changing protected packages. 19592 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19593 throw new SecurityException("Cannot disable a protected package: " + packageName); 19594 } 19595 } 19596 19597 synchronized (mPackages) { 19598 if (uid == Process.SHELL_UID 19599 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19600 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19601 // unless it is a test package. 19602 int oldState = pkgSetting.getEnabled(userId); 19603 if (className == null 19604 && 19605 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19606 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19607 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19608 && 19609 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19610 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19611 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19612 // ok 19613 } else { 19614 throw new SecurityException( 19615 "Shell cannot change component state for " + packageName + "/" 19616 + className + " to " + newState); 19617 } 19618 } 19619 if (className == null) { 19620 // We're dealing with an application/package level state change 19621 if (pkgSetting.getEnabled(userId) == newState) { 19622 // Nothing to do 19623 return; 19624 } 19625 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19626 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19627 // Don't care about who enables an app. 19628 callingPackage = null; 19629 } 19630 pkgSetting.setEnabled(newState, userId, callingPackage); 19631 // pkgSetting.pkg.mSetEnabled = newState; 19632 } else { 19633 // We're dealing with a component level state change 19634 // First, verify that this is a valid class name. 19635 PackageParser.Package pkg = pkgSetting.pkg; 19636 if (pkg == null || !pkg.hasComponentClassName(className)) { 19637 if (pkg != null && 19638 pkg.applicationInfo.targetSdkVersion >= 19639 Build.VERSION_CODES.JELLY_BEAN) { 19640 throw new IllegalArgumentException("Component class " + className 19641 + " does not exist in " + packageName); 19642 } else { 19643 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19644 + className + " does not exist in " + packageName); 19645 } 19646 } 19647 switch (newState) { 19648 case COMPONENT_ENABLED_STATE_ENABLED: 19649 if (!pkgSetting.enableComponentLPw(className, userId)) { 19650 return; 19651 } 19652 break; 19653 case COMPONENT_ENABLED_STATE_DISABLED: 19654 if (!pkgSetting.disableComponentLPw(className, userId)) { 19655 return; 19656 } 19657 break; 19658 case COMPONENT_ENABLED_STATE_DEFAULT: 19659 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19660 return; 19661 } 19662 break; 19663 default: 19664 Slog.e(TAG, "Invalid new component state: " + newState); 19665 return; 19666 } 19667 } 19668 scheduleWritePackageRestrictionsLocked(userId); 19669 components = mPendingBroadcasts.get(userId, packageName); 19670 final boolean newPackage = components == null; 19671 if (newPackage) { 19672 components = new ArrayList<String>(); 19673 } 19674 if (!components.contains(componentName)) { 19675 components.add(componentName); 19676 } 19677 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19678 sendNow = true; 19679 // Purge entry from pending broadcast list if another one exists already 19680 // since we are sending one right away. 19681 mPendingBroadcasts.remove(userId, packageName); 19682 } else { 19683 if (newPackage) { 19684 mPendingBroadcasts.put(userId, packageName, components); 19685 } 19686 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19687 // Schedule a message 19688 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19689 } 19690 } 19691 } 19692 19693 long callingId = Binder.clearCallingIdentity(); 19694 try { 19695 if (sendNow) { 19696 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19697 sendPackageChangedBroadcast(packageName, 19698 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19699 } 19700 } finally { 19701 Binder.restoreCallingIdentity(callingId); 19702 } 19703 } 19704 19705 @Override 19706 public void flushPackageRestrictionsAsUser(int userId) { 19707 if (!sUserManager.exists(userId)) { 19708 return; 19709 } 19710 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19711 false /* checkShell */, "flushPackageRestrictions"); 19712 synchronized (mPackages) { 19713 mSettings.writePackageRestrictionsLPr(userId); 19714 mDirtyUsers.remove(userId); 19715 if (mDirtyUsers.isEmpty()) { 19716 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19717 } 19718 } 19719 } 19720 19721 private void sendPackageChangedBroadcast(String packageName, 19722 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19723 if (DEBUG_INSTALL) 19724 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19725 + componentNames); 19726 Bundle extras = new Bundle(4); 19727 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19728 String nameList[] = new String[componentNames.size()]; 19729 componentNames.toArray(nameList); 19730 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19731 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19732 extras.putInt(Intent.EXTRA_UID, packageUid); 19733 // If this is not reporting a change of the overall package, then only send it 19734 // to registered receivers. We don't want to launch a swath of apps for every 19735 // little component state change. 19736 final int flags = !componentNames.contains(packageName) 19737 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19738 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19739 new int[] {UserHandle.getUserId(packageUid)}); 19740 } 19741 19742 @Override 19743 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19744 if (!sUserManager.exists(userId)) return; 19745 final int uid = Binder.getCallingUid(); 19746 final int permission = mContext.checkCallingOrSelfPermission( 19747 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19748 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19749 enforceCrossUserPermission(uid, userId, 19750 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19751 // writer 19752 synchronized (mPackages) { 19753 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19754 allowedByPermission, uid, userId)) { 19755 scheduleWritePackageRestrictionsLocked(userId); 19756 } 19757 } 19758 } 19759 19760 @Override 19761 public String getInstallerPackageName(String packageName) { 19762 // reader 19763 synchronized (mPackages) { 19764 return mSettings.getInstallerPackageNameLPr(packageName); 19765 } 19766 } 19767 19768 public boolean isOrphaned(String packageName) { 19769 // reader 19770 synchronized (mPackages) { 19771 return mSettings.isOrphaned(packageName); 19772 } 19773 } 19774 19775 @Override 19776 public int getApplicationEnabledSetting(String packageName, int userId) { 19777 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19778 int uid = Binder.getCallingUid(); 19779 enforceCrossUserPermission(uid, userId, 19780 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19781 // reader 19782 synchronized (mPackages) { 19783 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19784 } 19785 } 19786 19787 @Override 19788 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 19789 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19790 int uid = Binder.getCallingUid(); 19791 enforceCrossUserPermission(uid, userId, 19792 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 19793 // reader 19794 synchronized (mPackages) { 19795 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 19796 } 19797 } 19798 19799 @Override 19800 public void enterSafeMode() { 19801 enforceSystemOrRoot("Only the system can request entering safe mode"); 19802 19803 if (!mSystemReady) { 19804 mSafeMode = true; 19805 } 19806 } 19807 19808 @Override 19809 public void systemReady() { 19810 mSystemReady = true; 19811 19812 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 19813 // disabled after already being started. 19814 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 19815 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 19816 19817 // Read the compatibilty setting when the system is ready. 19818 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 19819 mContext.getContentResolver(), 19820 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 19821 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 19822 if (DEBUG_SETTINGS) { 19823 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 19824 } 19825 19826 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 19827 19828 synchronized (mPackages) { 19829 // Verify that all of the preferred activity components actually 19830 // exist. It is possible for applications to be updated and at 19831 // that point remove a previously declared activity component that 19832 // had been set as a preferred activity. We try to clean this up 19833 // the next time we encounter that preferred activity, but it is 19834 // possible for the user flow to never be able to return to that 19835 // situation so here we do a sanity check to make sure we haven't 19836 // left any junk around. 19837 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 19838 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19839 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19840 removed.clear(); 19841 for (PreferredActivity pa : pir.filterSet()) { 19842 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 19843 removed.add(pa); 19844 } 19845 } 19846 if (removed.size() > 0) { 19847 for (int r=0; r<removed.size(); r++) { 19848 PreferredActivity pa = removed.get(r); 19849 Slog.w(TAG, "Removing dangling preferred activity: " 19850 + pa.mPref.mComponent); 19851 pir.removeFilter(pa); 19852 } 19853 mSettings.writePackageRestrictionsLPr( 19854 mSettings.mPreferredActivities.keyAt(i)); 19855 } 19856 } 19857 19858 for (int userId : UserManagerService.getInstance().getUserIds()) { 19859 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 19860 grantPermissionsUserIds = ArrayUtils.appendInt( 19861 grantPermissionsUserIds, userId); 19862 } 19863 } 19864 } 19865 sUserManager.systemReady(); 19866 19867 // If we upgraded grant all default permissions before kicking off. 19868 for (int userId : grantPermissionsUserIds) { 19869 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 19870 } 19871 19872 // If we did not grant default permissions, we preload from this the 19873 // default permission exceptions lazily to ensure we don't hit the 19874 // disk on a new user creation. 19875 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 19876 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 19877 } 19878 19879 // Kick off any messages waiting for system ready 19880 if (mPostSystemReadyMessages != null) { 19881 for (Message msg : mPostSystemReadyMessages) { 19882 msg.sendToTarget(); 19883 } 19884 mPostSystemReadyMessages = null; 19885 } 19886 19887 // Watch for external volumes that come and go over time 19888 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19889 storage.registerListener(mStorageListener); 19890 19891 mInstallerService.systemReady(); 19892 mPackageDexOptimizer.systemReady(); 19893 19894 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 19895 StorageManagerInternal.class); 19896 StorageManagerInternal.addExternalStoragePolicy( 19897 new StorageManagerInternal.ExternalStorageMountPolicy() { 19898 @Override 19899 public int getMountMode(int uid, String packageName) { 19900 if (Process.isIsolated(uid)) { 19901 return Zygote.MOUNT_EXTERNAL_NONE; 19902 } 19903 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 19904 return Zygote.MOUNT_EXTERNAL_DEFAULT; 19905 } 19906 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 19907 return Zygote.MOUNT_EXTERNAL_DEFAULT; 19908 } 19909 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 19910 return Zygote.MOUNT_EXTERNAL_READ; 19911 } 19912 return Zygote.MOUNT_EXTERNAL_WRITE; 19913 } 19914 19915 @Override 19916 public boolean hasExternalStorage(int uid, String packageName) { 19917 return true; 19918 } 19919 }); 19920 19921 // Now that we're mostly running, clean up stale users and apps 19922 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 19923 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 19924 } 19925 19926 @Override 19927 public boolean isSafeMode() { 19928 return mSafeMode; 19929 } 19930 19931 @Override 19932 public boolean hasSystemUidErrors() { 19933 return mHasSystemUidErrors; 19934 } 19935 19936 static String arrayToString(int[] array) { 19937 StringBuffer buf = new StringBuffer(128); 19938 buf.append('['); 19939 if (array != null) { 19940 for (int i=0; i<array.length; i++) { 19941 if (i > 0) buf.append(", "); 19942 buf.append(array[i]); 19943 } 19944 } 19945 buf.append(']'); 19946 return buf.toString(); 19947 } 19948 19949 static class DumpState { 19950 public static final int DUMP_LIBS = 1 << 0; 19951 public static final int DUMP_FEATURES = 1 << 1; 19952 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 19953 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 19954 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 19955 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 19956 public static final int DUMP_PERMISSIONS = 1 << 6; 19957 public static final int DUMP_PACKAGES = 1 << 7; 19958 public static final int DUMP_SHARED_USERS = 1 << 8; 19959 public static final int DUMP_MESSAGES = 1 << 9; 19960 public static final int DUMP_PROVIDERS = 1 << 10; 19961 public static final int DUMP_VERIFIERS = 1 << 11; 19962 public static final int DUMP_PREFERRED = 1 << 12; 19963 public static final int DUMP_PREFERRED_XML = 1 << 13; 19964 public static final int DUMP_KEYSETS = 1 << 14; 19965 public static final int DUMP_VERSION = 1 << 15; 19966 public static final int DUMP_INSTALLS = 1 << 16; 19967 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 19968 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 19969 public static final int DUMP_FROZEN = 1 << 19; 19970 public static final int DUMP_DEXOPT = 1 << 20; 19971 public static final int DUMP_COMPILER_STATS = 1 << 21; 19972 19973 public static final int OPTION_SHOW_FILTERS = 1 << 0; 19974 19975 private int mTypes; 19976 19977 private int mOptions; 19978 19979 private boolean mTitlePrinted; 19980 19981 private SharedUserSetting mSharedUser; 19982 19983 public boolean isDumping(int type) { 19984 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 19985 return true; 19986 } 19987 19988 return (mTypes & type) != 0; 19989 } 19990 19991 public void setDump(int type) { 19992 mTypes |= type; 19993 } 19994 19995 public boolean isOptionEnabled(int option) { 19996 return (mOptions & option) != 0; 19997 } 19998 19999 public void setOptionEnabled(int option) { 20000 mOptions |= option; 20001 } 20002 20003 public boolean onTitlePrinted() { 20004 final boolean printed = mTitlePrinted; 20005 mTitlePrinted = true; 20006 return printed; 20007 } 20008 20009 public boolean getTitlePrinted() { 20010 return mTitlePrinted; 20011 } 20012 20013 public void setTitlePrinted(boolean enabled) { 20014 mTitlePrinted = enabled; 20015 } 20016 20017 public SharedUserSetting getSharedUser() { 20018 return mSharedUser; 20019 } 20020 20021 public void setSharedUser(SharedUserSetting user) { 20022 mSharedUser = user; 20023 } 20024 } 20025 20026 @Override 20027 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20028 FileDescriptor err, String[] args, ShellCallback callback, 20029 ResultReceiver resultReceiver) { 20030 (new PackageManagerShellCommand(this)).exec( 20031 this, in, out, err, args, callback, resultReceiver); 20032 } 20033 20034 @Override 20035 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20036 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20037 != PackageManager.PERMISSION_GRANTED) { 20038 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20039 + Binder.getCallingPid() 20040 + ", uid=" + Binder.getCallingUid() 20041 + " without permission " 20042 + android.Manifest.permission.DUMP); 20043 return; 20044 } 20045 20046 DumpState dumpState = new DumpState(); 20047 boolean fullPreferred = false; 20048 boolean checkin = false; 20049 20050 String packageName = null; 20051 ArraySet<String> permissionNames = null; 20052 20053 int opti = 0; 20054 while (opti < args.length) { 20055 String opt = args[opti]; 20056 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20057 break; 20058 } 20059 opti++; 20060 20061 if ("-a".equals(opt)) { 20062 // Right now we only know how to print all. 20063 } else if ("-h".equals(opt)) { 20064 pw.println("Package manager dump options:"); 20065 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20066 pw.println(" --checkin: dump for a checkin"); 20067 pw.println(" -f: print details of intent filters"); 20068 pw.println(" -h: print this help"); 20069 pw.println(" cmd may be one of:"); 20070 pw.println(" l[ibraries]: list known shared libraries"); 20071 pw.println(" f[eatures]: list device features"); 20072 pw.println(" k[eysets]: print known keysets"); 20073 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20074 pw.println(" perm[issions]: dump permissions"); 20075 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20076 pw.println(" pref[erred]: print preferred package settings"); 20077 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20078 pw.println(" prov[iders]: dump content providers"); 20079 pw.println(" p[ackages]: dump installed packages"); 20080 pw.println(" s[hared-users]: dump shared user IDs"); 20081 pw.println(" m[essages]: print collected runtime messages"); 20082 pw.println(" v[erifiers]: print package verifier info"); 20083 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20084 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20085 pw.println(" version: print database version info"); 20086 pw.println(" write: write current settings now"); 20087 pw.println(" installs: details about install sessions"); 20088 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20089 pw.println(" dexopt: dump dexopt state"); 20090 pw.println(" compiler-stats: dump compiler statistics"); 20091 pw.println(" <package.name>: info about given package"); 20092 return; 20093 } else if ("--checkin".equals(opt)) { 20094 checkin = true; 20095 } else if ("-f".equals(opt)) { 20096 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20097 } else { 20098 pw.println("Unknown argument: " + opt + "; use -h for help"); 20099 } 20100 } 20101 20102 // Is the caller requesting to dump a particular piece of data? 20103 if (opti < args.length) { 20104 String cmd = args[opti]; 20105 opti++; 20106 // Is this a package name? 20107 if ("android".equals(cmd) || cmd.contains(".")) { 20108 packageName = cmd; 20109 // When dumping a single package, we always dump all of its 20110 // filter information since the amount of data will be reasonable. 20111 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20112 } else if ("check-permission".equals(cmd)) { 20113 if (opti >= args.length) { 20114 pw.println("Error: check-permission missing permission argument"); 20115 return; 20116 } 20117 String perm = args[opti]; 20118 opti++; 20119 if (opti >= args.length) { 20120 pw.println("Error: check-permission missing package argument"); 20121 return; 20122 } 20123 20124 String pkg = args[opti]; 20125 opti++; 20126 int user = UserHandle.getUserId(Binder.getCallingUid()); 20127 if (opti < args.length) { 20128 try { 20129 user = Integer.parseInt(args[opti]); 20130 } catch (NumberFormatException e) { 20131 pw.println("Error: check-permission user argument is not a number: " 20132 + args[opti]); 20133 return; 20134 } 20135 } 20136 20137 // Normalize package name to handle renamed packages and static libs 20138 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20139 20140 pw.println(checkPermission(perm, pkg, user)); 20141 return; 20142 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20143 dumpState.setDump(DumpState.DUMP_LIBS); 20144 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20145 dumpState.setDump(DumpState.DUMP_FEATURES); 20146 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20147 if (opti >= args.length) { 20148 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20149 | DumpState.DUMP_SERVICE_RESOLVERS 20150 | DumpState.DUMP_RECEIVER_RESOLVERS 20151 | DumpState.DUMP_CONTENT_RESOLVERS); 20152 } else { 20153 while (opti < args.length) { 20154 String name = args[opti]; 20155 if ("a".equals(name) || "activity".equals(name)) { 20156 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20157 } else if ("s".equals(name) || "service".equals(name)) { 20158 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20159 } else if ("r".equals(name) || "receiver".equals(name)) { 20160 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20161 } else if ("c".equals(name) || "content".equals(name)) { 20162 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20163 } else { 20164 pw.println("Error: unknown resolver table type: " + name); 20165 return; 20166 } 20167 opti++; 20168 } 20169 } 20170 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20171 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20172 } else if ("permission".equals(cmd)) { 20173 if (opti >= args.length) { 20174 pw.println("Error: permission requires permission name"); 20175 return; 20176 } 20177 permissionNames = new ArraySet<>(); 20178 while (opti < args.length) { 20179 permissionNames.add(args[opti]); 20180 opti++; 20181 } 20182 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20183 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20184 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20185 dumpState.setDump(DumpState.DUMP_PREFERRED); 20186 } else if ("preferred-xml".equals(cmd)) { 20187 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20188 if (opti < args.length && "--full".equals(args[opti])) { 20189 fullPreferred = true; 20190 opti++; 20191 } 20192 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20193 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20194 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20195 dumpState.setDump(DumpState.DUMP_PACKAGES); 20196 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20197 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20198 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20199 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20200 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20201 dumpState.setDump(DumpState.DUMP_MESSAGES); 20202 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20203 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20204 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20205 || "intent-filter-verifiers".equals(cmd)) { 20206 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20207 } else if ("version".equals(cmd)) { 20208 dumpState.setDump(DumpState.DUMP_VERSION); 20209 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20210 dumpState.setDump(DumpState.DUMP_KEYSETS); 20211 } else if ("installs".equals(cmd)) { 20212 dumpState.setDump(DumpState.DUMP_INSTALLS); 20213 } else if ("frozen".equals(cmd)) { 20214 dumpState.setDump(DumpState.DUMP_FROZEN); 20215 } else if ("dexopt".equals(cmd)) { 20216 dumpState.setDump(DumpState.DUMP_DEXOPT); 20217 } else if ("compiler-stats".equals(cmd)) { 20218 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20219 } else if ("write".equals(cmd)) { 20220 synchronized (mPackages) { 20221 mSettings.writeLPr(); 20222 pw.println("Settings written."); 20223 return; 20224 } 20225 } 20226 } 20227 20228 if (checkin) { 20229 pw.println("vers,1"); 20230 } 20231 20232 // reader 20233 synchronized (mPackages) { 20234 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20235 if (!checkin) { 20236 if (dumpState.onTitlePrinted()) 20237 pw.println(); 20238 pw.println("Database versions:"); 20239 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20240 } 20241 } 20242 20243 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20244 if (!checkin) { 20245 if (dumpState.onTitlePrinted()) 20246 pw.println(); 20247 pw.println("Verifiers:"); 20248 pw.print(" Required: "); 20249 pw.print(mRequiredVerifierPackage); 20250 pw.print(" (uid="); 20251 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20252 UserHandle.USER_SYSTEM)); 20253 pw.println(")"); 20254 } else if (mRequiredVerifierPackage != null) { 20255 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20256 pw.print(","); 20257 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20258 UserHandle.USER_SYSTEM)); 20259 } 20260 } 20261 20262 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20263 packageName == null) { 20264 if (mIntentFilterVerifierComponent != null) { 20265 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20266 if (!checkin) { 20267 if (dumpState.onTitlePrinted()) 20268 pw.println(); 20269 pw.println("Intent Filter Verifier:"); 20270 pw.print(" Using: "); 20271 pw.print(verifierPackageName); 20272 pw.print(" (uid="); 20273 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20274 UserHandle.USER_SYSTEM)); 20275 pw.println(")"); 20276 } else if (verifierPackageName != null) { 20277 pw.print("ifv,"); pw.print(verifierPackageName); 20278 pw.print(","); 20279 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20280 UserHandle.USER_SYSTEM)); 20281 } 20282 } else { 20283 pw.println(); 20284 pw.println("No Intent Filter Verifier available!"); 20285 } 20286 } 20287 20288 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20289 boolean printedHeader = false; 20290 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20291 while (it.hasNext()) { 20292 String libName = it.next(); 20293 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20294 if (versionedLib == null) { 20295 continue; 20296 } 20297 final int versionCount = versionedLib.size(); 20298 for (int i = 0; i < versionCount; i++) { 20299 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20300 if (!checkin) { 20301 if (!printedHeader) { 20302 if (dumpState.onTitlePrinted()) 20303 pw.println(); 20304 pw.println("Libraries:"); 20305 printedHeader = true; 20306 } 20307 pw.print(" "); 20308 } else { 20309 pw.print("lib,"); 20310 } 20311 pw.print(libEntry.info.getName()); 20312 if (libEntry.info.isStatic()) { 20313 pw.print(" version=" + libEntry.info.getVersion()); 20314 } 20315 if (!checkin) { 20316 pw.print(" -> "); 20317 } 20318 if (libEntry.path != null) { 20319 pw.print(" (jar) "); 20320 pw.print(libEntry.path); 20321 } else { 20322 pw.print(" (apk) "); 20323 pw.print(libEntry.apk); 20324 } 20325 pw.println(); 20326 } 20327 } 20328 } 20329 20330 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20331 if (dumpState.onTitlePrinted()) 20332 pw.println(); 20333 if (!checkin) { 20334 pw.println("Features:"); 20335 } 20336 20337 for (FeatureInfo feat : mAvailableFeatures.values()) { 20338 if (checkin) { 20339 pw.print("feat,"); 20340 pw.print(feat.name); 20341 pw.print(","); 20342 pw.println(feat.version); 20343 } else { 20344 pw.print(" "); 20345 pw.print(feat.name); 20346 if (feat.version > 0) { 20347 pw.print(" version="); 20348 pw.print(feat.version); 20349 } 20350 pw.println(); 20351 } 20352 } 20353 } 20354 20355 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20356 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20357 : "Activity Resolver Table:", " ", packageName, 20358 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20359 dumpState.setTitlePrinted(true); 20360 } 20361 } 20362 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20363 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20364 : "Receiver Resolver Table:", " ", packageName, 20365 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20366 dumpState.setTitlePrinted(true); 20367 } 20368 } 20369 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20370 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20371 : "Service Resolver Table:", " ", packageName, 20372 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20373 dumpState.setTitlePrinted(true); 20374 } 20375 } 20376 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20377 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20378 : "Provider Resolver Table:", " ", packageName, 20379 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20380 dumpState.setTitlePrinted(true); 20381 } 20382 } 20383 20384 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20385 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20386 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20387 int user = mSettings.mPreferredActivities.keyAt(i); 20388 if (pir.dump(pw, 20389 dumpState.getTitlePrinted() 20390 ? "\nPreferred Activities User " + user + ":" 20391 : "Preferred Activities User " + user + ":", " ", 20392 packageName, true, false)) { 20393 dumpState.setTitlePrinted(true); 20394 } 20395 } 20396 } 20397 20398 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20399 pw.flush(); 20400 FileOutputStream fout = new FileOutputStream(fd); 20401 BufferedOutputStream str = new BufferedOutputStream(fout); 20402 XmlSerializer serializer = new FastXmlSerializer(); 20403 try { 20404 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20405 serializer.startDocument(null, true); 20406 serializer.setFeature( 20407 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20408 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20409 serializer.endDocument(); 20410 serializer.flush(); 20411 } catch (IllegalArgumentException e) { 20412 pw.println("Failed writing: " + e); 20413 } catch (IllegalStateException e) { 20414 pw.println("Failed writing: " + e); 20415 } catch (IOException e) { 20416 pw.println("Failed writing: " + e); 20417 } 20418 } 20419 20420 if (!checkin 20421 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20422 && packageName == null) { 20423 pw.println(); 20424 int count = mSettings.mPackages.size(); 20425 if (count == 0) { 20426 pw.println("No applications!"); 20427 pw.println(); 20428 } else { 20429 final String prefix = " "; 20430 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20431 if (allPackageSettings.size() == 0) { 20432 pw.println("No domain preferred apps!"); 20433 pw.println(); 20434 } else { 20435 pw.println("App verification status:"); 20436 pw.println(); 20437 count = 0; 20438 for (PackageSetting ps : allPackageSettings) { 20439 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20440 if (ivi == null || ivi.getPackageName() == null) continue; 20441 pw.println(prefix + "Package: " + ivi.getPackageName()); 20442 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20443 pw.println(prefix + "Status: " + ivi.getStatusString()); 20444 pw.println(); 20445 count++; 20446 } 20447 if (count == 0) { 20448 pw.println(prefix + "No app verification established."); 20449 pw.println(); 20450 } 20451 for (int userId : sUserManager.getUserIds()) { 20452 pw.println("App linkages for user " + userId + ":"); 20453 pw.println(); 20454 count = 0; 20455 for (PackageSetting ps : allPackageSettings) { 20456 final long status = ps.getDomainVerificationStatusForUser(userId); 20457 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20458 && !DEBUG_DOMAIN_VERIFICATION) { 20459 continue; 20460 } 20461 pw.println(prefix + "Package: " + ps.name); 20462 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20463 String statusStr = IntentFilterVerificationInfo. 20464 getStatusStringFromValue(status); 20465 pw.println(prefix + "Status: " + statusStr); 20466 pw.println(); 20467 count++; 20468 } 20469 if (count == 0) { 20470 pw.println(prefix + "No configured app linkages."); 20471 pw.println(); 20472 } 20473 } 20474 } 20475 } 20476 } 20477 20478 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20479 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20480 if (packageName == null && permissionNames == null) { 20481 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20482 if (iperm == 0) { 20483 if (dumpState.onTitlePrinted()) 20484 pw.println(); 20485 pw.println("AppOp Permissions:"); 20486 } 20487 pw.print(" AppOp Permission "); 20488 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20489 pw.println(":"); 20490 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20491 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20492 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20493 } 20494 } 20495 } 20496 } 20497 20498 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20499 boolean printedSomething = false; 20500 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20501 if (packageName != null && !packageName.equals(p.info.packageName)) { 20502 continue; 20503 } 20504 if (!printedSomething) { 20505 if (dumpState.onTitlePrinted()) 20506 pw.println(); 20507 pw.println("Registered ContentProviders:"); 20508 printedSomething = true; 20509 } 20510 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20511 pw.print(" "); pw.println(p.toString()); 20512 } 20513 printedSomething = false; 20514 for (Map.Entry<String, PackageParser.Provider> entry : 20515 mProvidersByAuthority.entrySet()) { 20516 PackageParser.Provider p = entry.getValue(); 20517 if (packageName != null && !packageName.equals(p.info.packageName)) { 20518 continue; 20519 } 20520 if (!printedSomething) { 20521 if (dumpState.onTitlePrinted()) 20522 pw.println(); 20523 pw.println("ContentProvider Authorities:"); 20524 printedSomething = true; 20525 } 20526 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20527 pw.print(" "); pw.println(p.toString()); 20528 if (p.info != null && p.info.applicationInfo != null) { 20529 final String appInfo = p.info.applicationInfo.toString(); 20530 pw.print(" applicationInfo="); pw.println(appInfo); 20531 } 20532 } 20533 } 20534 20535 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20536 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20537 } 20538 20539 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20540 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20541 } 20542 20543 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20544 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20545 } 20546 20547 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20548 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20549 } 20550 20551 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20552 // XXX should handle packageName != null by dumping only install data that 20553 // the given package is involved with. 20554 if (dumpState.onTitlePrinted()) pw.println(); 20555 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20556 } 20557 20558 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20559 // XXX should handle packageName != null by dumping only install data that 20560 // the given package is involved with. 20561 if (dumpState.onTitlePrinted()) pw.println(); 20562 20563 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20564 ipw.println(); 20565 ipw.println("Frozen packages:"); 20566 ipw.increaseIndent(); 20567 if (mFrozenPackages.size() == 0) { 20568 ipw.println("(none)"); 20569 } else { 20570 for (int i = 0; i < mFrozenPackages.size(); i++) { 20571 ipw.println(mFrozenPackages.valueAt(i)); 20572 } 20573 } 20574 ipw.decreaseIndent(); 20575 } 20576 20577 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20578 if (dumpState.onTitlePrinted()) pw.println(); 20579 dumpDexoptStateLPr(pw, packageName); 20580 } 20581 20582 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20583 if (dumpState.onTitlePrinted()) pw.println(); 20584 dumpCompilerStatsLPr(pw, packageName); 20585 } 20586 20587 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20588 if (dumpState.onTitlePrinted()) pw.println(); 20589 mSettings.dumpReadMessagesLPr(pw, dumpState); 20590 20591 pw.println(); 20592 pw.println("Package warning messages:"); 20593 BufferedReader in = null; 20594 String line = null; 20595 try { 20596 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20597 while ((line = in.readLine()) != null) { 20598 if (line.contains("ignored: updated version")) continue; 20599 pw.println(line); 20600 } 20601 } catch (IOException ignored) { 20602 } finally { 20603 IoUtils.closeQuietly(in); 20604 } 20605 } 20606 20607 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20608 BufferedReader in = null; 20609 String line = null; 20610 try { 20611 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20612 while ((line = in.readLine()) != null) { 20613 if (line.contains("ignored: updated version")) continue; 20614 pw.print("msg,"); 20615 pw.println(line); 20616 } 20617 } catch (IOException ignored) { 20618 } finally { 20619 IoUtils.closeQuietly(in); 20620 } 20621 } 20622 } 20623 } 20624 20625 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20626 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20627 ipw.println(); 20628 ipw.println("Dexopt state:"); 20629 ipw.increaseIndent(); 20630 Collection<PackageParser.Package> packages = null; 20631 if (packageName != null) { 20632 PackageParser.Package targetPackage = mPackages.get(packageName); 20633 if (targetPackage != null) { 20634 packages = Collections.singletonList(targetPackage); 20635 } else { 20636 ipw.println("Unable to find package: " + packageName); 20637 return; 20638 } 20639 } else { 20640 packages = mPackages.values(); 20641 } 20642 20643 for (PackageParser.Package pkg : packages) { 20644 ipw.println("[" + pkg.packageName + "]"); 20645 ipw.increaseIndent(); 20646 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20647 ipw.decreaseIndent(); 20648 } 20649 } 20650 20651 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20652 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20653 ipw.println(); 20654 ipw.println("Compiler stats:"); 20655 ipw.increaseIndent(); 20656 Collection<PackageParser.Package> packages = null; 20657 if (packageName != null) { 20658 PackageParser.Package targetPackage = mPackages.get(packageName); 20659 if (targetPackage != null) { 20660 packages = Collections.singletonList(targetPackage); 20661 } else { 20662 ipw.println("Unable to find package: " + packageName); 20663 return; 20664 } 20665 } else { 20666 packages = mPackages.values(); 20667 } 20668 20669 for (PackageParser.Package pkg : packages) { 20670 ipw.println("[" + pkg.packageName + "]"); 20671 ipw.increaseIndent(); 20672 20673 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20674 if (stats == null) { 20675 ipw.println("(No recorded stats)"); 20676 } else { 20677 stats.dump(ipw); 20678 } 20679 ipw.decreaseIndent(); 20680 } 20681 } 20682 20683 private String dumpDomainString(String packageName) { 20684 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 20685 .getList(); 20686 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 20687 20688 ArraySet<String> result = new ArraySet<>(); 20689 if (iviList.size() > 0) { 20690 for (IntentFilterVerificationInfo ivi : iviList) { 20691 for (String host : ivi.getDomains()) { 20692 result.add(host); 20693 } 20694 } 20695 } 20696 if (filters != null && filters.size() > 0) { 20697 for (IntentFilter filter : filters) { 20698 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 20699 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 20700 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 20701 result.addAll(filter.getHostsList()); 20702 } 20703 } 20704 } 20705 20706 StringBuilder sb = new StringBuilder(result.size() * 16); 20707 for (String domain : result) { 20708 if (sb.length() > 0) sb.append(" "); 20709 sb.append(domain); 20710 } 20711 return sb.toString(); 20712 } 20713 20714 // ------- apps on sdcard specific code ------- 20715 static final boolean DEBUG_SD_INSTALL = false; 20716 20717 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 20718 20719 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 20720 20721 private boolean mMediaMounted = false; 20722 20723 static String getEncryptKey() { 20724 try { 20725 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 20726 SD_ENCRYPTION_KEYSTORE_NAME); 20727 if (sdEncKey == null) { 20728 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 20729 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 20730 if (sdEncKey == null) { 20731 Slog.e(TAG, "Failed to create encryption keys"); 20732 return null; 20733 } 20734 } 20735 return sdEncKey; 20736 } catch (NoSuchAlgorithmException nsae) { 20737 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 20738 return null; 20739 } catch (IOException ioe) { 20740 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 20741 return null; 20742 } 20743 } 20744 20745 /* 20746 * Update media status on PackageManager. 20747 */ 20748 @Override 20749 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 20750 int callingUid = Binder.getCallingUid(); 20751 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 20752 throw new SecurityException("Media status can only be updated by the system"); 20753 } 20754 // reader; this apparently protects mMediaMounted, but should probably 20755 // be a different lock in that case. 20756 synchronized (mPackages) { 20757 Log.i(TAG, "Updating external media status from " 20758 + (mMediaMounted ? "mounted" : "unmounted") + " to " 20759 + (mediaStatus ? "mounted" : "unmounted")); 20760 if (DEBUG_SD_INSTALL) 20761 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 20762 + ", mMediaMounted=" + mMediaMounted); 20763 if (mediaStatus == mMediaMounted) { 20764 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 20765 : 0, -1); 20766 mHandler.sendMessage(msg); 20767 return; 20768 } 20769 mMediaMounted = mediaStatus; 20770 } 20771 // Queue up an async operation since the package installation may take a 20772 // little while. 20773 mHandler.post(new Runnable() { 20774 public void run() { 20775 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 20776 } 20777 }); 20778 } 20779 20780 /** 20781 * Called by StorageManagerService when the initial ASECs to scan are available. 20782 * Should block until all the ASEC containers are finished being scanned. 20783 */ 20784 public void scanAvailableAsecs() { 20785 updateExternalMediaStatusInner(true, false, false); 20786 } 20787 20788 /* 20789 * Collect information of applications on external media, map them against 20790 * existing containers and update information based on current mount status. 20791 * Please note that we always have to report status if reportStatus has been 20792 * set to true especially when unloading packages. 20793 */ 20794 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 20795 boolean externalStorage) { 20796 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 20797 int[] uidArr = EmptyArray.INT; 20798 20799 final String[] list = PackageHelper.getSecureContainerList(); 20800 if (ArrayUtils.isEmpty(list)) { 20801 Log.i(TAG, "No secure containers found"); 20802 } else { 20803 // Process list of secure containers and categorize them 20804 // as active or stale based on their package internal state. 20805 20806 // reader 20807 synchronized (mPackages) { 20808 for (String cid : list) { 20809 // Leave stages untouched for now; installer service owns them 20810 if (PackageInstallerService.isStageName(cid)) continue; 20811 20812 if (DEBUG_SD_INSTALL) 20813 Log.i(TAG, "Processing container " + cid); 20814 String pkgName = getAsecPackageName(cid); 20815 if (pkgName == null) { 20816 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 20817 continue; 20818 } 20819 if (DEBUG_SD_INSTALL) 20820 Log.i(TAG, "Looking for pkg : " + pkgName); 20821 20822 final PackageSetting ps = mSettings.mPackages.get(pkgName); 20823 if (ps == null) { 20824 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 20825 continue; 20826 } 20827 20828 /* 20829 * Skip packages that are not external if we're unmounting 20830 * external storage. 20831 */ 20832 if (externalStorage && !isMounted && !isExternal(ps)) { 20833 continue; 20834 } 20835 20836 final AsecInstallArgs args = new AsecInstallArgs(cid, 20837 getAppDexInstructionSets(ps), ps.isForwardLocked()); 20838 // The package status is changed only if the code path 20839 // matches between settings and the container id. 20840 if (ps.codePathString != null 20841 && ps.codePathString.startsWith(args.getCodePath())) { 20842 if (DEBUG_SD_INSTALL) { 20843 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 20844 + " at code path: " + ps.codePathString); 20845 } 20846 20847 // We do have a valid package installed on sdcard 20848 processCids.put(args, ps.codePathString); 20849 final int uid = ps.appId; 20850 if (uid != -1) { 20851 uidArr = ArrayUtils.appendInt(uidArr, uid); 20852 } 20853 } else { 20854 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 20855 + ps.codePathString); 20856 } 20857 } 20858 } 20859 20860 Arrays.sort(uidArr); 20861 } 20862 20863 // Process packages with valid entries. 20864 if (isMounted) { 20865 if (DEBUG_SD_INSTALL) 20866 Log.i(TAG, "Loading packages"); 20867 loadMediaPackages(processCids, uidArr, externalStorage); 20868 startCleaningPackages(); 20869 mInstallerService.onSecureContainersAvailable(); 20870 } else { 20871 if (DEBUG_SD_INSTALL) 20872 Log.i(TAG, "Unloading packages"); 20873 unloadMediaPackages(processCids, uidArr, reportStatus); 20874 } 20875 } 20876 20877 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20878 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 20879 final int size = infos.size(); 20880 final String[] packageNames = new String[size]; 20881 final int[] packageUids = new int[size]; 20882 for (int i = 0; i < size; i++) { 20883 final ApplicationInfo info = infos.get(i); 20884 packageNames[i] = info.packageName; 20885 packageUids[i] = info.uid; 20886 } 20887 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 20888 finishedReceiver); 20889 } 20890 20891 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20892 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 20893 sendResourcesChangedBroadcast(mediaStatus, replacing, 20894 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 20895 } 20896 20897 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20898 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 20899 int size = pkgList.length; 20900 if (size > 0) { 20901 // Send broadcasts here 20902 Bundle extras = new Bundle(); 20903 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 20904 if (uidArr != null) { 20905 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 20906 } 20907 if (replacing) { 20908 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 20909 } 20910 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 20911 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 20912 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 20913 } 20914 } 20915 20916 /* 20917 * Look at potentially valid container ids from processCids If package 20918 * information doesn't match the one on record or package scanning fails, 20919 * the cid is added to list of removeCids. We currently don't delete stale 20920 * containers. 20921 */ 20922 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 20923 boolean externalStorage) { 20924 ArrayList<String> pkgList = new ArrayList<String>(); 20925 Set<AsecInstallArgs> keys = processCids.keySet(); 20926 20927 for (AsecInstallArgs args : keys) { 20928 String codePath = processCids.get(args); 20929 if (DEBUG_SD_INSTALL) 20930 Log.i(TAG, "Loading container : " + args.cid); 20931 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 20932 try { 20933 // Make sure there are no container errors first. 20934 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 20935 Slog.e(TAG, "Failed to mount cid : " + args.cid 20936 + " when installing from sdcard"); 20937 continue; 20938 } 20939 // Check code path here. 20940 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 20941 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 20942 + " does not match one in settings " + codePath); 20943 continue; 20944 } 20945 // Parse package 20946 int parseFlags = mDefParseFlags; 20947 if (args.isExternalAsec()) { 20948 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 20949 } 20950 if (args.isFwdLocked()) { 20951 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 20952 } 20953 20954 synchronized (mInstallLock) { 20955 PackageParser.Package pkg = null; 20956 try { 20957 // Sadly we don't know the package name yet to freeze it 20958 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 20959 SCAN_IGNORE_FROZEN, 0, null); 20960 } catch (PackageManagerException e) { 20961 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 20962 } 20963 // Scan the package 20964 if (pkg != null) { 20965 /* 20966 * TODO why is the lock being held? doPostInstall is 20967 * called in other places without the lock. This needs 20968 * to be straightened out. 20969 */ 20970 // writer 20971 synchronized (mPackages) { 20972 retCode = PackageManager.INSTALL_SUCCEEDED; 20973 pkgList.add(pkg.packageName); 20974 // Post process args 20975 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 20976 pkg.applicationInfo.uid); 20977 } 20978 } else { 20979 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 20980 } 20981 } 20982 20983 } finally { 20984 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 20985 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 20986 } 20987 } 20988 } 20989 // writer 20990 synchronized (mPackages) { 20991 // If the platform SDK has changed since the last time we booted, 20992 // we need to re-grant app permission to catch any new ones that 20993 // appear. This is really a hack, and means that apps can in some 20994 // cases get permissions that the user didn't initially explicitly 20995 // allow... it would be nice to have some better way to handle 20996 // this situation. 20997 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 20998 : mSettings.getInternalVersion(); 20999 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21000 : StorageManager.UUID_PRIVATE_INTERNAL; 21001 21002 int updateFlags = UPDATE_PERMISSIONS_ALL; 21003 if (ver.sdkVersion != mSdkVersion) { 21004 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21005 + mSdkVersion + "; regranting permissions for external"); 21006 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21007 } 21008 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21009 21010 // Yay, everything is now upgraded 21011 ver.forceCurrent(); 21012 21013 // can downgrade to reader 21014 // Persist settings 21015 mSettings.writeLPr(); 21016 } 21017 // Send a broadcast to let everyone know we are done processing 21018 if (pkgList.size() > 0) { 21019 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21020 } 21021 } 21022 21023 /* 21024 * Utility method to unload a list of specified containers 21025 */ 21026 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21027 // Just unmount all valid containers. 21028 for (AsecInstallArgs arg : cidArgs) { 21029 synchronized (mInstallLock) { 21030 arg.doPostDeleteLI(false); 21031 } 21032 } 21033 } 21034 21035 /* 21036 * Unload packages mounted on external media. This involves deleting package 21037 * data from internal structures, sending broadcasts about disabled packages, 21038 * gc'ing to free up references, unmounting all secure containers 21039 * corresponding to packages on external media, and posting a 21040 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21041 * that we always have to post this message if status has been requested no 21042 * matter what. 21043 */ 21044 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21045 final boolean reportStatus) { 21046 if (DEBUG_SD_INSTALL) 21047 Log.i(TAG, "unloading media packages"); 21048 ArrayList<String> pkgList = new ArrayList<String>(); 21049 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21050 final Set<AsecInstallArgs> keys = processCids.keySet(); 21051 for (AsecInstallArgs args : keys) { 21052 String pkgName = args.getPackageName(); 21053 if (DEBUG_SD_INSTALL) 21054 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21055 // Delete package internally 21056 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21057 synchronized (mInstallLock) { 21058 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21059 final boolean res; 21060 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21061 "unloadMediaPackages")) { 21062 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21063 null); 21064 } 21065 if (res) { 21066 pkgList.add(pkgName); 21067 } else { 21068 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21069 failedList.add(args); 21070 } 21071 } 21072 } 21073 21074 // reader 21075 synchronized (mPackages) { 21076 // We didn't update the settings after removing each package; 21077 // write them now for all packages. 21078 mSettings.writeLPr(); 21079 } 21080 21081 // We have to absolutely send UPDATED_MEDIA_STATUS only 21082 // after confirming that all the receivers processed the ordered 21083 // broadcast when packages get disabled, force a gc to clean things up. 21084 // and unload all the containers. 21085 if (pkgList.size() > 0) { 21086 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21087 new IIntentReceiver.Stub() { 21088 public void performReceive(Intent intent, int resultCode, String data, 21089 Bundle extras, boolean ordered, boolean sticky, 21090 int sendingUser) throws RemoteException { 21091 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21092 reportStatus ? 1 : 0, 1, keys); 21093 mHandler.sendMessage(msg); 21094 } 21095 }); 21096 } else { 21097 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21098 keys); 21099 mHandler.sendMessage(msg); 21100 } 21101 } 21102 21103 private void loadPrivatePackages(final VolumeInfo vol) { 21104 mHandler.post(new Runnable() { 21105 @Override 21106 public void run() { 21107 loadPrivatePackagesInner(vol); 21108 } 21109 }); 21110 } 21111 21112 private void loadPrivatePackagesInner(VolumeInfo vol) { 21113 final String volumeUuid = vol.fsUuid; 21114 if (TextUtils.isEmpty(volumeUuid)) { 21115 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21116 return; 21117 } 21118 21119 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21120 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21121 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21122 21123 final VersionInfo ver; 21124 final List<PackageSetting> packages; 21125 synchronized (mPackages) { 21126 ver = mSettings.findOrCreateVersion(volumeUuid); 21127 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21128 } 21129 21130 for (PackageSetting ps : packages) { 21131 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21132 synchronized (mInstallLock) { 21133 final PackageParser.Package pkg; 21134 try { 21135 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21136 loaded.add(pkg.applicationInfo); 21137 21138 } catch (PackageManagerException e) { 21139 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21140 } 21141 21142 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21143 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21144 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21145 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21146 } 21147 } 21148 } 21149 21150 // Reconcile app data for all started/unlocked users 21151 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21152 final UserManager um = mContext.getSystemService(UserManager.class); 21153 UserManagerInternal umInternal = getUserManagerInternal(); 21154 for (UserInfo user : um.getUsers()) { 21155 final int flags; 21156 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21157 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21158 } else if (umInternal.isUserRunning(user.id)) { 21159 flags = StorageManager.FLAG_STORAGE_DE; 21160 } else { 21161 continue; 21162 } 21163 21164 try { 21165 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21166 synchronized (mInstallLock) { 21167 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21168 } 21169 } catch (IllegalStateException e) { 21170 // Device was probably ejected, and we'll process that event momentarily 21171 Slog.w(TAG, "Failed to prepare storage: " + e); 21172 } 21173 } 21174 21175 synchronized (mPackages) { 21176 int updateFlags = UPDATE_PERMISSIONS_ALL; 21177 if (ver.sdkVersion != mSdkVersion) { 21178 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21179 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21180 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21181 } 21182 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21183 21184 // Yay, everything is now upgraded 21185 ver.forceCurrent(); 21186 21187 mSettings.writeLPr(); 21188 } 21189 21190 for (PackageFreezer freezer : freezers) { 21191 freezer.close(); 21192 } 21193 21194 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21195 sendResourcesChangedBroadcast(true, false, loaded, null); 21196 } 21197 21198 private void unloadPrivatePackages(final VolumeInfo vol) { 21199 mHandler.post(new Runnable() { 21200 @Override 21201 public void run() { 21202 unloadPrivatePackagesInner(vol); 21203 } 21204 }); 21205 } 21206 21207 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21208 final String volumeUuid = vol.fsUuid; 21209 if (TextUtils.isEmpty(volumeUuid)) { 21210 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21211 return; 21212 } 21213 21214 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21215 synchronized (mInstallLock) { 21216 synchronized (mPackages) { 21217 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21218 for (PackageSetting ps : packages) { 21219 if (ps.pkg == null) continue; 21220 21221 final ApplicationInfo info = ps.pkg.applicationInfo; 21222 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21223 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21224 21225 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21226 "unloadPrivatePackagesInner")) { 21227 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21228 false, null)) { 21229 unloaded.add(info); 21230 } else { 21231 Slog.w(TAG, "Failed to unload " + ps.codePath); 21232 } 21233 } 21234 21235 // Try very hard to release any references to this package 21236 // so we don't risk the system server being killed due to 21237 // open FDs 21238 AttributeCache.instance().removePackage(ps.name); 21239 } 21240 21241 mSettings.writeLPr(); 21242 } 21243 } 21244 21245 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21246 sendResourcesChangedBroadcast(false, false, unloaded, null); 21247 21248 // Try very hard to release any references to this path so we don't risk 21249 // the system server being killed due to open FDs 21250 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21251 21252 for (int i = 0; i < 3; i++) { 21253 System.gc(); 21254 System.runFinalization(); 21255 } 21256 } 21257 21258 /** 21259 * Prepare storage areas for given user on all mounted devices. 21260 */ 21261 void prepareUserData(int userId, int userSerial, int flags) { 21262 synchronized (mInstallLock) { 21263 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21264 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21265 final String volumeUuid = vol.getFsUuid(); 21266 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 21267 } 21268 } 21269 } 21270 21271 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 21272 boolean allowRecover) { 21273 // Prepare storage and verify that serial numbers are consistent; if 21274 // there's a mismatch we need to destroy to avoid leaking data 21275 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21276 try { 21277 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 21278 21279 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 21280 UserManagerService.enforceSerialNumber( 21281 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 21282 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 21283 UserManagerService.enforceSerialNumber( 21284 Environment.getDataSystemDeDirectory(userId), userSerial); 21285 } 21286 } 21287 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 21288 UserManagerService.enforceSerialNumber( 21289 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 21290 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 21291 UserManagerService.enforceSerialNumber( 21292 Environment.getDataSystemCeDirectory(userId), userSerial); 21293 } 21294 } 21295 21296 synchronized (mInstallLock) { 21297 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 21298 } 21299 } catch (Exception e) { 21300 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 21301 + " because we failed to prepare: " + e); 21302 destroyUserDataLI(volumeUuid, userId, 21303 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 21304 21305 if (allowRecover) { 21306 // Try one last time; if we fail again we're really in trouble 21307 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 21308 } 21309 } 21310 } 21311 21312 /** 21313 * Destroy storage areas for given user on all mounted devices. 21314 */ 21315 void destroyUserData(int userId, int flags) { 21316 synchronized (mInstallLock) { 21317 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21318 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21319 final String volumeUuid = vol.getFsUuid(); 21320 destroyUserDataLI(volumeUuid, userId, flags); 21321 } 21322 } 21323 } 21324 21325 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 21326 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21327 try { 21328 // Clean up app data, profile data, and media data 21329 mInstaller.destroyUserData(volumeUuid, userId, flags); 21330 21331 // Clean up system data 21332 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 21333 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21334 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 21335 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 21336 FileUtils.deleteContentsAndDir(Environment.getDataMiscDeDirectory(userId)); 21337 } 21338 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21339 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 21340 FileUtils.deleteContentsAndDir(Environment.getDataMiscCeDirectory(userId)); 21341 } 21342 } 21343 21344 // Data with special labels is now gone, so finish the job 21345 storage.destroyUserStorage(volumeUuid, userId, flags); 21346 21347 } catch (Exception e) { 21348 logCriticalInfo(Log.WARN, 21349 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 21350 } 21351 } 21352 21353 /** 21354 * Examine all users present on given mounted volume, and destroy data 21355 * belonging to users that are no longer valid, or whose user ID has been 21356 * recycled. 21357 */ 21358 private void reconcileUsers(String volumeUuid) { 21359 final List<File> files = new ArrayList<>(); 21360 Collections.addAll(files, FileUtils 21361 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 21362 Collections.addAll(files, FileUtils 21363 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 21364 Collections.addAll(files, FileUtils 21365 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 21366 Collections.addAll(files, FileUtils 21367 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 21368 Collections.addAll(files, FileUtils 21369 .listFilesOrEmpty(Environment.getDataMiscCeDirectory())); 21370 for (File file : files) { 21371 if (!file.isDirectory()) continue; 21372 21373 final int userId; 21374 final UserInfo info; 21375 try { 21376 userId = Integer.parseInt(file.getName()); 21377 info = sUserManager.getUserInfo(userId); 21378 } catch (NumberFormatException e) { 21379 Slog.w(TAG, "Invalid user directory " + file); 21380 continue; 21381 } 21382 21383 boolean destroyUser = false; 21384 if (info == null) { 21385 logCriticalInfo(Log.WARN, "Destroying user directory " + file 21386 + " because no matching user was found"); 21387 destroyUser = true; 21388 } else if (!mOnlyCore) { 21389 try { 21390 UserManagerService.enforceSerialNumber(file, info.serialNumber); 21391 } catch (IOException e) { 21392 logCriticalInfo(Log.WARN, "Destroying user directory " + file 21393 + " because we failed to enforce serial number: " + e); 21394 destroyUser = true; 21395 } 21396 } 21397 21398 if (destroyUser) { 21399 synchronized (mInstallLock) { 21400 destroyUserDataLI(volumeUuid, userId, 21401 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 21402 } 21403 } 21404 } 21405 } 21406 21407 private void assertPackageKnown(String volumeUuid, String packageName) 21408 throws PackageManagerException { 21409 synchronized (mPackages) { 21410 // Normalize package name to handle renamed packages 21411 packageName = normalizePackageNameLPr(packageName); 21412 21413 final PackageSetting ps = mSettings.mPackages.get(packageName); 21414 if (ps == null) { 21415 throw new PackageManagerException("Package " + packageName + " is unknown"); 21416 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21417 throw new PackageManagerException( 21418 "Package " + packageName + " found on unknown volume " + volumeUuid 21419 + "; expected volume " + ps.volumeUuid); 21420 } 21421 } 21422 } 21423 21424 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21425 throws PackageManagerException { 21426 synchronized (mPackages) { 21427 // Normalize package name to handle renamed packages 21428 packageName = normalizePackageNameLPr(packageName); 21429 21430 final PackageSetting ps = mSettings.mPackages.get(packageName); 21431 if (ps == null) { 21432 throw new PackageManagerException("Package " + packageName + " is unknown"); 21433 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21434 throw new PackageManagerException( 21435 "Package " + packageName + " found on unknown volume " + volumeUuid 21436 + "; expected volume " + ps.volumeUuid); 21437 } else if (!ps.getInstalled(userId)) { 21438 throw new PackageManagerException( 21439 "Package " + packageName + " not installed for user " + userId); 21440 } 21441 } 21442 } 21443 21444 private List<String> collectAbsoluteCodePaths() { 21445 synchronized (mPackages) { 21446 List<String> codePaths = new ArrayList<>(); 21447 final int packageCount = mSettings.mPackages.size(); 21448 for (int i = 0; i < packageCount; i++) { 21449 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21450 codePaths.add(ps.codePath.getAbsolutePath()); 21451 } 21452 return codePaths; 21453 } 21454 } 21455 21456 /** 21457 * Examine all apps present on given mounted volume, and destroy apps that 21458 * aren't expected, either due to uninstallation or reinstallation on 21459 * another volume. 21460 */ 21461 private void reconcileApps(String volumeUuid) { 21462 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21463 List<File> filesToDelete = null; 21464 21465 final File[] files = FileUtils.listFilesOrEmpty( 21466 Environment.getDataAppDirectory(volumeUuid)); 21467 for (File file : files) { 21468 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21469 && !PackageInstallerService.isStageName(file.getName()); 21470 if (!isPackage) { 21471 // Ignore entries which are not packages 21472 continue; 21473 } 21474 21475 String absolutePath = file.getAbsolutePath(); 21476 21477 boolean pathValid = false; 21478 final int absoluteCodePathCount = absoluteCodePaths.size(); 21479 for (int i = 0; i < absoluteCodePathCount; i++) { 21480 String absoluteCodePath = absoluteCodePaths.get(i); 21481 if (absolutePath.startsWith(absoluteCodePath)) { 21482 pathValid = true; 21483 break; 21484 } 21485 } 21486 21487 if (!pathValid) { 21488 if (filesToDelete == null) { 21489 filesToDelete = new ArrayList<>(); 21490 } 21491 filesToDelete.add(file); 21492 } 21493 } 21494 21495 if (filesToDelete != null) { 21496 final int fileToDeleteCount = filesToDelete.size(); 21497 for (int i = 0; i < fileToDeleteCount; i++) { 21498 File fileToDelete = filesToDelete.get(i); 21499 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21500 synchronized (mInstallLock) { 21501 removeCodePathLI(fileToDelete); 21502 } 21503 } 21504 } 21505 } 21506 21507 /** 21508 * Reconcile all app data for the given user. 21509 * <p> 21510 * Verifies that directories exist and that ownership and labeling is 21511 * correct for all installed apps on all mounted volumes. 21512 */ 21513 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21514 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21515 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21516 final String volumeUuid = vol.getFsUuid(); 21517 synchronized (mInstallLock) { 21518 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21519 } 21520 } 21521 } 21522 21523 /** 21524 * Reconcile all app data on given mounted volume. 21525 * <p> 21526 * Destroys app data that isn't expected, either due to uninstallation or 21527 * reinstallation on another volume. 21528 * <p> 21529 * Verifies that directories exist and that ownership and labeling is 21530 * correct for all installed apps. 21531 */ 21532 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21533 boolean migrateAppData) { 21534 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21535 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21536 21537 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21538 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21539 21540 // First look for stale data that doesn't belong, and check if things 21541 // have changed since we did our last restorecon 21542 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21543 if (StorageManager.isFileEncryptedNativeOrEmulated() 21544 && !StorageManager.isUserKeyUnlocked(userId)) { 21545 throw new RuntimeException( 21546 "Yikes, someone asked us to reconcile CE storage while " + userId 21547 + " was still locked; this would have caused massive data loss!"); 21548 } 21549 21550 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21551 for (File file : files) { 21552 final String packageName = file.getName(); 21553 try { 21554 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21555 } catch (PackageManagerException e) { 21556 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21557 try { 21558 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21559 StorageManager.FLAG_STORAGE_CE, 0); 21560 } catch (InstallerException e2) { 21561 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21562 } 21563 } 21564 } 21565 } 21566 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21567 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21568 for (File file : files) { 21569 final String packageName = file.getName(); 21570 try { 21571 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21572 } catch (PackageManagerException e) { 21573 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21574 try { 21575 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21576 StorageManager.FLAG_STORAGE_DE, 0); 21577 } catch (InstallerException e2) { 21578 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21579 } 21580 } 21581 } 21582 } 21583 21584 // Ensure that data directories are ready to roll for all packages 21585 // installed for this volume and user 21586 final List<PackageSetting> packages; 21587 synchronized (mPackages) { 21588 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21589 } 21590 int preparedCount = 0; 21591 for (PackageSetting ps : packages) { 21592 final String packageName = ps.name; 21593 if (ps.pkg == null) { 21594 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21595 // TODO: might be due to legacy ASEC apps; we should circle back 21596 // and reconcile again once they're scanned 21597 continue; 21598 } 21599 21600 if (ps.getInstalled(userId)) { 21601 prepareAppDataLIF(ps.pkg, userId, flags); 21602 21603 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 21604 // We may have just shuffled around app data directories, so 21605 // prepare them one more time 21606 prepareAppDataLIF(ps.pkg, userId, flags); 21607 } 21608 21609 preparedCount++; 21610 } 21611 } 21612 21613 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21614 } 21615 21616 /** 21617 * Prepare app data for the given app just after it was installed or 21618 * upgraded. This method carefully only touches users that it's installed 21619 * for, and it forces a restorecon to handle any seinfo changes. 21620 * <p> 21621 * Verifies that directories exist and that ownership and labeling is 21622 * correct for all installed apps. If there is an ownership mismatch, it 21623 * will try recovering system apps by wiping data; third-party app data is 21624 * left intact. 21625 * <p> 21626 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21627 */ 21628 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21629 final PackageSetting ps; 21630 synchronized (mPackages) { 21631 ps = mSettings.mPackages.get(pkg.packageName); 21632 mSettings.writeKernelMappingLPr(ps); 21633 } 21634 21635 final UserManager um = mContext.getSystemService(UserManager.class); 21636 UserManagerInternal umInternal = getUserManagerInternal(); 21637 for (UserInfo user : um.getUsers()) { 21638 final int flags; 21639 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21640 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21641 } else if (umInternal.isUserRunning(user.id)) { 21642 flags = StorageManager.FLAG_STORAGE_DE; 21643 } else { 21644 continue; 21645 } 21646 21647 if (ps.getInstalled(user.id)) { 21648 // TODO: when user data is locked, mark that we're still dirty 21649 prepareAppDataLIF(pkg, user.id, flags); 21650 } 21651 } 21652 } 21653 21654 /** 21655 * Prepare app data for the given app. 21656 * <p> 21657 * Verifies that directories exist and that ownership and labeling is 21658 * correct for all installed apps. If there is an ownership mismatch, this 21659 * will try recovering system apps by wiping data; third-party app data is 21660 * left intact. 21661 */ 21662 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21663 if (pkg == null) { 21664 Slog.wtf(TAG, "Package was null!", new Throwable()); 21665 return; 21666 } 21667 prepareAppDataLeafLIF(pkg, userId, flags); 21668 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21669 for (int i = 0; i < childCount; i++) { 21670 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21671 } 21672 } 21673 21674 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21675 if (DEBUG_APP_DATA) { 21676 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21677 + Integer.toHexString(flags)); 21678 } 21679 21680 final String volumeUuid = pkg.volumeUuid; 21681 final String packageName = pkg.packageName; 21682 final ApplicationInfo app = pkg.applicationInfo; 21683 final int appId = UserHandle.getAppId(app.uid); 21684 21685 Preconditions.checkNotNull(app.seinfo); 21686 21687 long ceDataInode = -1; 21688 try { 21689 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21690 appId, app.seinfo, app.targetSdkVersion); 21691 } catch (InstallerException e) { 21692 if (app.isSystemApp()) { 21693 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21694 + ", but trying to recover: " + e); 21695 destroyAppDataLeafLIF(pkg, userId, flags); 21696 try { 21697 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21698 appId, app.seinfo, app.targetSdkVersion); 21699 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21700 } catch (InstallerException e2) { 21701 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21702 } 21703 } else { 21704 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21705 } 21706 } 21707 21708 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21709 // TODO: mark this structure as dirty so we persist it! 21710 synchronized (mPackages) { 21711 final PackageSetting ps = mSettings.mPackages.get(packageName); 21712 if (ps != null) { 21713 ps.setCeDataInode(ceDataInode, userId); 21714 } 21715 } 21716 } 21717 21718 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21719 } 21720 21721 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21722 if (pkg == null) { 21723 Slog.wtf(TAG, "Package was null!", new Throwable()); 21724 return; 21725 } 21726 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21727 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21728 for (int i = 0; i < childCount; i++) { 21729 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21730 } 21731 } 21732 21733 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21734 final String volumeUuid = pkg.volumeUuid; 21735 final String packageName = pkg.packageName; 21736 final ApplicationInfo app = pkg.applicationInfo; 21737 21738 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21739 // Create a native library symlink only if we have native libraries 21740 // and if the native libraries are 32 bit libraries. We do not provide 21741 // this symlink for 64 bit libraries. 21742 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21743 final String nativeLibPath = app.nativeLibraryDir; 21744 try { 21745 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21746 nativeLibPath, userId); 21747 } catch (InstallerException e) { 21748 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21749 } 21750 } 21751 } 21752 } 21753 21754 /** 21755 * For system apps on non-FBE devices, this method migrates any existing 21756 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21757 * requested by the app. 21758 */ 21759 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21760 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21761 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21762 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21763 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21764 try { 21765 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21766 storageTarget); 21767 } catch (InstallerException e) { 21768 logCriticalInfo(Log.WARN, 21769 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21770 } 21771 return true; 21772 } else { 21773 return false; 21774 } 21775 } 21776 21777 public PackageFreezer freezePackage(String packageName, String killReason) { 21778 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21779 } 21780 21781 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21782 return new PackageFreezer(packageName, userId, killReason); 21783 } 21784 21785 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21786 String killReason) { 21787 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21788 } 21789 21790 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21791 String killReason) { 21792 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21793 return new PackageFreezer(); 21794 } else { 21795 return freezePackage(packageName, userId, killReason); 21796 } 21797 } 21798 21799 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21800 String killReason) { 21801 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21802 } 21803 21804 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21805 String killReason) { 21806 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21807 return new PackageFreezer(); 21808 } else { 21809 return freezePackage(packageName, userId, killReason); 21810 } 21811 } 21812 21813 /** 21814 * Class that freezes and kills the given package upon creation, and 21815 * unfreezes it upon closing. This is typically used when doing surgery on 21816 * app code/data to prevent the app from running while you're working. 21817 */ 21818 private class PackageFreezer implements AutoCloseable { 21819 private final String mPackageName; 21820 private final PackageFreezer[] mChildren; 21821 21822 private final boolean mWeFroze; 21823 21824 private final AtomicBoolean mClosed = new AtomicBoolean(); 21825 private final CloseGuard mCloseGuard = CloseGuard.get(); 21826 21827 /** 21828 * Create and return a stub freezer that doesn't actually do anything, 21829 * typically used when someone requested 21830 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 21831 * {@link PackageManager#DELETE_DONT_KILL_APP}. 21832 */ 21833 public PackageFreezer() { 21834 mPackageName = null; 21835 mChildren = null; 21836 mWeFroze = false; 21837 mCloseGuard.open("close"); 21838 } 21839 21840 public PackageFreezer(String packageName, int userId, String killReason) { 21841 synchronized (mPackages) { 21842 mPackageName = packageName; 21843 mWeFroze = mFrozenPackages.add(mPackageName); 21844 21845 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 21846 if (ps != null) { 21847 killApplication(ps.name, ps.appId, userId, killReason); 21848 } 21849 21850 final PackageParser.Package p = mPackages.get(packageName); 21851 if (p != null && p.childPackages != null) { 21852 final int N = p.childPackages.size(); 21853 mChildren = new PackageFreezer[N]; 21854 for (int i = 0; i < N; i++) { 21855 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 21856 userId, killReason); 21857 } 21858 } else { 21859 mChildren = null; 21860 } 21861 } 21862 mCloseGuard.open("close"); 21863 } 21864 21865 @Override 21866 protected void finalize() throws Throwable { 21867 try { 21868 mCloseGuard.warnIfOpen(); 21869 close(); 21870 } finally { 21871 super.finalize(); 21872 } 21873 } 21874 21875 @Override 21876 public void close() { 21877 mCloseGuard.close(); 21878 if (mClosed.compareAndSet(false, true)) { 21879 synchronized (mPackages) { 21880 if (mWeFroze) { 21881 mFrozenPackages.remove(mPackageName); 21882 } 21883 21884 if (mChildren != null) { 21885 for (PackageFreezer freezer : mChildren) { 21886 freezer.close(); 21887 } 21888 } 21889 } 21890 } 21891 } 21892 } 21893 21894 /** 21895 * Verify that given package is currently frozen. 21896 */ 21897 private void checkPackageFrozen(String packageName) { 21898 synchronized (mPackages) { 21899 if (!mFrozenPackages.contains(packageName)) { 21900 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 21901 } 21902 } 21903 } 21904 21905 @Override 21906 public int movePackage(final String packageName, final String volumeUuid) { 21907 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21908 21909 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 21910 final int moveId = mNextMoveId.getAndIncrement(); 21911 mHandler.post(new Runnable() { 21912 @Override 21913 public void run() { 21914 try { 21915 movePackageInternal(packageName, volumeUuid, moveId, user); 21916 } catch (PackageManagerException e) { 21917 Slog.w(TAG, "Failed to move " + packageName, e); 21918 mMoveCallbacks.notifyStatusChanged(moveId, 21919 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 21920 } 21921 } 21922 }); 21923 return moveId; 21924 } 21925 21926 private void movePackageInternal(final String packageName, final String volumeUuid, 21927 final int moveId, UserHandle user) throws PackageManagerException { 21928 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21929 final PackageManager pm = mContext.getPackageManager(); 21930 21931 final boolean currentAsec; 21932 final String currentVolumeUuid; 21933 final File codeFile; 21934 final String installerPackageName; 21935 final String packageAbiOverride; 21936 final int appId; 21937 final String seinfo; 21938 final String label; 21939 final int targetSdkVersion; 21940 final PackageFreezer freezer; 21941 final int[] installedUserIds; 21942 21943 // reader 21944 synchronized (mPackages) { 21945 final PackageParser.Package pkg = mPackages.get(packageName); 21946 final PackageSetting ps = mSettings.mPackages.get(packageName); 21947 if (pkg == null || ps == null) { 21948 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 21949 } 21950 21951 if (pkg.applicationInfo.isSystemApp()) { 21952 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 21953 "Cannot move system application"); 21954 } 21955 21956 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 21957 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 21958 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 21959 if (isInternalStorage && !allow3rdPartyOnInternal) { 21960 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 21961 "3rd party apps are not allowed on internal storage"); 21962 } 21963 21964 if (pkg.applicationInfo.isExternalAsec()) { 21965 currentAsec = true; 21966 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 21967 } else if (pkg.applicationInfo.isForwardLocked()) { 21968 currentAsec = true; 21969 currentVolumeUuid = "forward_locked"; 21970 } else { 21971 currentAsec = false; 21972 currentVolumeUuid = ps.volumeUuid; 21973 21974 final File probe = new File(pkg.codePath); 21975 final File probeOat = new File(probe, "oat"); 21976 if (!probe.isDirectory() || !probeOat.isDirectory()) { 21977 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21978 "Move only supported for modern cluster style installs"); 21979 } 21980 } 21981 21982 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 21983 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21984 "Package already moved to " + volumeUuid); 21985 } 21986 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 21987 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 21988 "Device admin cannot be moved"); 21989 } 21990 21991 if (mFrozenPackages.contains(packageName)) { 21992 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 21993 "Failed to move already frozen package"); 21994 } 21995 21996 codeFile = new File(pkg.codePath); 21997 installerPackageName = ps.installerPackageName; 21998 packageAbiOverride = ps.cpuAbiOverrideString; 21999 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22000 seinfo = pkg.applicationInfo.seinfo; 22001 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22002 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22003 freezer = freezePackage(packageName, "movePackageInternal"); 22004 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22005 } 22006 22007 final Bundle extras = new Bundle(); 22008 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22009 extras.putString(Intent.EXTRA_TITLE, label); 22010 mMoveCallbacks.notifyCreated(moveId, extras); 22011 22012 int installFlags; 22013 final boolean moveCompleteApp; 22014 final File measurePath; 22015 22016 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22017 installFlags = INSTALL_INTERNAL; 22018 moveCompleteApp = !currentAsec; 22019 measurePath = Environment.getDataAppDirectory(volumeUuid); 22020 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22021 installFlags = INSTALL_EXTERNAL; 22022 moveCompleteApp = false; 22023 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22024 } else { 22025 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22026 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22027 || !volume.isMountedWritable()) { 22028 freezer.close(); 22029 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22030 "Move location not mounted private volume"); 22031 } 22032 22033 Preconditions.checkState(!currentAsec); 22034 22035 installFlags = INSTALL_INTERNAL; 22036 moveCompleteApp = true; 22037 measurePath = Environment.getDataAppDirectory(volumeUuid); 22038 } 22039 22040 final PackageStats stats = new PackageStats(null, -1); 22041 synchronized (mInstaller) { 22042 for (int userId : installedUserIds) { 22043 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22044 freezer.close(); 22045 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22046 "Failed to measure package size"); 22047 } 22048 } 22049 } 22050 22051 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22052 + stats.dataSize); 22053 22054 final long startFreeBytes = measurePath.getFreeSpace(); 22055 final long sizeBytes; 22056 if (moveCompleteApp) { 22057 sizeBytes = stats.codeSize + stats.dataSize; 22058 } else { 22059 sizeBytes = stats.codeSize; 22060 } 22061 22062 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22063 freezer.close(); 22064 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22065 "Not enough free space to move"); 22066 } 22067 22068 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22069 22070 final CountDownLatch installedLatch = new CountDownLatch(1); 22071 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22072 @Override 22073 public void onUserActionRequired(Intent intent) throws RemoteException { 22074 throw new IllegalStateException(); 22075 } 22076 22077 @Override 22078 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22079 Bundle extras) throws RemoteException { 22080 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22081 + PackageManager.installStatusToString(returnCode, msg)); 22082 22083 installedLatch.countDown(); 22084 freezer.close(); 22085 22086 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22087 switch (status) { 22088 case PackageInstaller.STATUS_SUCCESS: 22089 mMoveCallbacks.notifyStatusChanged(moveId, 22090 PackageManager.MOVE_SUCCEEDED); 22091 break; 22092 case PackageInstaller.STATUS_FAILURE_STORAGE: 22093 mMoveCallbacks.notifyStatusChanged(moveId, 22094 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22095 break; 22096 default: 22097 mMoveCallbacks.notifyStatusChanged(moveId, 22098 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22099 break; 22100 } 22101 } 22102 }; 22103 22104 final MoveInfo move; 22105 if (moveCompleteApp) { 22106 // Kick off a thread to report progress estimates 22107 new Thread() { 22108 @Override 22109 public void run() { 22110 while (true) { 22111 try { 22112 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22113 break; 22114 } 22115 } catch (InterruptedException ignored) { 22116 } 22117 22118 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22119 final int progress = 10 + (int) MathUtils.constrain( 22120 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22121 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22122 } 22123 } 22124 }.start(); 22125 22126 final String dataAppName = codeFile.getName(); 22127 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22128 dataAppName, appId, seinfo, targetSdkVersion); 22129 } else { 22130 move = null; 22131 } 22132 22133 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22134 22135 final Message msg = mHandler.obtainMessage(INIT_COPY); 22136 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22137 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22138 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22139 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22140 PackageManager.INSTALL_REASON_UNKNOWN); 22141 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22142 msg.obj = params; 22143 22144 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22145 System.identityHashCode(msg.obj)); 22146 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22147 System.identityHashCode(msg.obj)); 22148 22149 mHandler.sendMessage(msg); 22150 } 22151 22152 @Override 22153 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22154 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22155 22156 final int realMoveId = mNextMoveId.getAndIncrement(); 22157 final Bundle extras = new Bundle(); 22158 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22159 mMoveCallbacks.notifyCreated(realMoveId, extras); 22160 22161 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22162 @Override 22163 public void onCreated(int moveId, Bundle extras) { 22164 // Ignored 22165 } 22166 22167 @Override 22168 public void onStatusChanged(int moveId, int status, long estMillis) { 22169 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22170 } 22171 }; 22172 22173 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22174 storage.setPrimaryStorageUuid(volumeUuid, callback); 22175 return realMoveId; 22176 } 22177 22178 @Override 22179 public int getMoveStatus(int moveId) { 22180 mContext.enforceCallingOrSelfPermission( 22181 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22182 return mMoveCallbacks.mLastStatus.get(moveId); 22183 } 22184 22185 @Override 22186 public void registerMoveCallback(IPackageMoveObserver callback) { 22187 mContext.enforceCallingOrSelfPermission( 22188 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22189 mMoveCallbacks.register(callback); 22190 } 22191 22192 @Override 22193 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22194 mContext.enforceCallingOrSelfPermission( 22195 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22196 mMoveCallbacks.unregister(callback); 22197 } 22198 22199 @Override 22200 public boolean setInstallLocation(int loc) { 22201 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22202 null); 22203 if (getInstallLocation() == loc) { 22204 return true; 22205 } 22206 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22207 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22208 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22209 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22210 return true; 22211 } 22212 return false; 22213 } 22214 22215 @Override 22216 public int getInstallLocation() { 22217 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22218 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22219 PackageHelper.APP_INSTALL_AUTO); 22220 } 22221 22222 /** Called by UserManagerService */ 22223 void cleanUpUser(UserManagerService userManager, int userHandle) { 22224 synchronized (mPackages) { 22225 mDirtyUsers.remove(userHandle); 22226 mUserNeedsBadging.delete(userHandle); 22227 mSettings.removeUserLPw(userHandle); 22228 mPendingBroadcasts.remove(userHandle); 22229 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 22230 removeUnusedPackagesLPw(userManager, userHandle); 22231 } 22232 } 22233 22234 /** 22235 * We're removing userHandle and would like to remove any downloaded packages 22236 * that are no longer in use by any other user. 22237 * @param userHandle the user being removed 22238 */ 22239 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22240 final boolean DEBUG_CLEAN_APKS = false; 22241 int [] users = userManager.getUserIds(); 22242 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22243 while (psit.hasNext()) { 22244 PackageSetting ps = psit.next(); 22245 if (ps.pkg == null) { 22246 continue; 22247 } 22248 final String packageName = ps.pkg.packageName; 22249 // Skip over if system app 22250 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22251 continue; 22252 } 22253 if (DEBUG_CLEAN_APKS) { 22254 Slog.i(TAG, "Checking package " + packageName); 22255 } 22256 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22257 if (keep) { 22258 if (DEBUG_CLEAN_APKS) { 22259 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22260 } 22261 } else { 22262 for (int i = 0; i < users.length; i++) { 22263 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22264 keep = true; 22265 if (DEBUG_CLEAN_APKS) { 22266 Slog.i(TAG, " Keeping package " + packageName + " for user " 22267 + users[i]); 22268 } 22269 break; 22270 } 22271 } 22272 } 22273 if (!keep) { 22274 if (DEBUG_CLEAN_APKS) { 22275 Slog.i(TAG, " Removing package " + packageName); 22276 } 22277 mHandler.post(new Runnable() { 22278 public void run() { 22279 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22280 userHandle, 0); 22281 } //end run 22282 }); 22283 } 22284 } 22285 } 22286 22287 /** Called by UserManagerService */ 22288 void createNewUser(int userId, String[] disallowedPackages) { 22289 synchronized (mInstallLock) { 22290 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22291 } 22292 synchronized (mPackages) { 22293 scheduleWritePackageRestrictionsLocked(userId); 22294 scheduleWritePackageListLocked(userId); 22295 applyFactoryDefaultBrowserLPw(userId); 22296 primeDomainVerificationsLPw(userId); 22297 } 22298 } 22299 22300 void onNewUserCreated(final int userId) { 22301 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22302 // If permission review for legacy apps is required, we represent 22303 // dagerous permissions for such apps as always granted runtime 22304 // permissions to keep per user flag state whether review is needed. 22305 // Hence, if a new user is added we have to propagate dangerous 22306 // permission grants for these legacy apps. 22307 if (mPermissionReviewRequired) { 22308 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22309 | UPDATE_PERMISSIONS_REPLACE_ALL); 22310 } 22311 } 22312 22313 @Override 22314 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22315 mContext.enforceCallingOrSelfPermission( 22316 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22317 "Only package verification agents can read the verifier device identity"); 22318 22319 synchronized (mPackages) { 22320 return mSettings.getVerifierDeviceIdentityLPw(); 22321 } 22322 } 22323 22324 @Override 22325 public void setPermissionEnforced(String permission, boolean enforced) { 22326 // TODO: Now that we no longer change GID for storage, this should to away. 22327 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22328 "setPermissionEnforced"); 22329 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22330 synchronized (mPackages) { 22331 if (mSettings.mReadExternalStorageEnforced == null 22332 || mSettings.mReadExternalStorageEnforced != enforced) { 22333 mSettings.mReadExternalStorageEnforced = enforced; 22334 mSettings.writeLPr(); 22335 } 22336 } 22337 // kill any non-foreground processes so we restart them and 22338 // grant/revoke the GID. 22339 final IActivityManager am = ActivityManager.getService(); 22340 if (am != null) { 22341 final long token = Binder.clearCallingIdentity(); 22342 try { 22343 am.killProcessesBelowForeground("setPermissionEnforcement"); 22344 } catch (RemoteException e) { 22345 } finally { 22346 Binder.restoreCallingIdentity(token); 22347 } 22348 } 22349 } else { 22350 throw new IllegalArgumentException("No selective enforcement for " + permission); 22351 } 22352 } 22353 22354 @Override 22355 @Deprecated 22356 public boolean isPermissionEnforced(String permission) { 22357 return true; 22358 } 22359 22360 @Override 22361 public boolean isStorageLow() { 22362 final long token = Binder.clearCallingIdentity(); 22363 try { 22364 final DeviceStorageMonitorInternal 22365 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22366 if (dsm != null) { 22367 return dsm.isMemoryLow(); 22368 } else { 22369 return false; 22370 } 22371 } finally { 22372 Binder.restoreCallingIdentity(token); 22373 } 22374 } 22375 22376 @Override 22377 public IPackageInstaller getPackageInstaller() { 22378 return mInstallerService; 22379 } 22380 22381 private boolean userNeedsBadging(int userId) { 22382 int index = mUserNeedsBadging.indexOfKey(userId); 22383 if (index < 0) { 22384 final UserInfo userInfo; 22385 final long token = Binder.clearCallingIdentity(); 22386 try { 22387 userInfo = sUserManager.getUserInfo(userId); 22388 } finally { 22389 Binder.restoreCallingIdentity(token); 22390 } 22391 final boolean b; 22392 if (userInfo != null && userInfo.isManagedProfile()) { 22393 b = true; 22394 } else { 22395 b = false; 22396 } 22397 mUserNeedsBadging.put(userId, b); 22398 return b; 22399 } 22400 return mUserNeedsBadging.valueAt(index); 22401 } 22402 22403 @Override 22404 public KeySet getKeySetByAlias(String packageName, String alias) { 22405 if (packageName == null || alias == null) { 22406 return null; 22407 } 22408 synchronized(mPackages) { 22409 final PackageParser.Package pkg = mPackages.get(packageName); 22410 if (pkg == null) { 22411 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22412 throw new IllegalArgumentException("Unknown package: " + packageName); 22413 } 22414 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22415 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22416 } 22417 } 22418 22419 @Override 22420 public KeySet getSigningKeySet(String packageName) { 22421 if (packageName == null) { 22422 return null; 22423 } 22424 synchronized(mPackages) { 22425 final PackageParser.Package pkg = mPackages.get(packageName); 22426 if (pkg == null) { 22427 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22428 throw new IllegalArgumentException("Unknown package: " + packageName); 22429 } 22430 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22431 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22432 throw new SecurityException("May not access signing KeySet of other apps."); 22433 } 22434 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22435 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22436 } 22437 } 22438 22439 @Override 22440 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22441 if (packageName == null || ks == null) { 22442 return false; 22443 } 22444 synchronized(mPackages) { 22445 final PackageParser.Package pkg = mPackages.get(packageName); 22446 if (pkg == null) { 22447 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22448 throw new IllegalArgumentException("Unknown package: " + packageName); 22449 } 22450 IBinder ksh = ks.getToken(); 22451 if (ksh instanceof KeySetHandle) { 22452 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22453 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22454 } 22455 return false; 22456 } 22457 } 22458 22459 @Override 22460 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22461 if (packageName == null || ks == null) { 22462 return false; 22463 } 22464 synchronized(mPackages) { 22465 final PackageParser.Package pkg = mPackages.get(packageName); 22466 if (pkg == null) { 22467 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22468 throw new IllegalArgumentException("Unknown package: " + packageName); 22469 } 22470 IBinder ksh = ks.getToken(); 22471 if (ksh instanceof KeySetHandle) { 22472 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22473 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22474 } 22475 return false; 22476 } 22477 } 22478 22479 private void deletePackageIfUnusedLPr(final String packageName) { 22480 PackageSetting ps = mSettings.mPackages.get(packageName); 22481 if (ps == null) { 22482 return; 22483 } 22484 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22485 // TODO Implement atomic delete if package is unused 22486 // It is currently possible that the package will be deleted even if it is installed 22487 // after this method returns. 22488 mHandler.post(new Runnable() { 22489 public void run() { 22490 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22491 0, PackageManager.DELETE_ALL_USERS); 22492 } 22493 }); 22494 } 22495 } 22496 22497 /** 22498 * Check and throw if the given before/after packages would be considered a 22499 * downgrade. 22500 */ 22501 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22502 throws PackageManagerException { 22503 if (after.versionCode < before.mVersionCode) { 22504 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22505 "Update version code " + after.versionCode + " is older than current " 22506 + before.mVersionCode); 22507 } else if (after.versionCode == before.mVersionCode) { 22508 if (after.baseRevisionCode < before.baseRevisionCode) { 22509 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22510 "Update base revision code " + after.baseRevisionCode 22511 + " is older than current " + before.baseRevisionCode); 22512 } 22513 22514 if (!ArrayUtils.isEmpty(after.splitNames)) { 22515 for (int i = 0; i < after.splitNames.length; i++) { 22516 final String splitName = after.splitNames[i]; 22517 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22518 if (j != -1) { 22519 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22520 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22521 "Update split " + splitName + " revision code " 22522 + after.splitRevisionCodes[i] + " is older than current " 22523 + before.splitRevisionCodes[j]); 22524 } 22525 } 22526 } 22527 } 22528 } 22529 } 22530 22531 private static class MoveCallbacks extends Handler { 22532 private static final int MSG_CREATED = 1; 22533 private static final int MSG_STATUS_CHANGED = 2; 22534 22535 private final RemoteCallbackList<IPackageMoveObserver> 22536 mCallbacks = new RemoteCallbackList<>(); 22537 22538 private final SparseIntArray mLastStatus = new SparseIntArray(); 22539 22540 public MoveCallbacks(Looper looper) { 22541 super(looper); 22542 } 22543 22544 public void register(IPackageMoveObserver callback) { 22545 mCallbacks.register(callback); 22546 } 22547 22548 public void unregister(IPackageMoveObserver callback) { 22549 mCallbacks.unregister(callback); 22550 } 22551 22552 @Override 22553 public void handleMessage(Message msg) { 22554 final SomeArgs args = (SomeArgs) msg.obj; 22555 final int n = mCallbacks.beginBroadcast(); 22556 for (int i = 0; i < n; i++) { 22557 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22558 try { 22559 invokeCallback(callback, msg.what, args); 22560 } catch (RemoteException ignored) { 22561 } 22562 } 22563 mCallbacks.finishBroadcast(); 22564 args.recycle(); 22565 } 22566 22567 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22568 throws RemoteException { 22569 switch (what) { 22570 case MSG_CREATED: { 22571 callback.onCreated(args.argi1, (Bundle) args.arg2); 22572 break; 22573 } 22574 case MSG_STATUS_CHANGED: { 22575 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22576 break; 22577 } 22578 } 22579 } 22580 22581 private void notifyCreated(int moveId, Bundle extras) { 22582 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22583 22584 final SomeArgs args = SomeArgs.obtain(); 22585 args.argi1 = moveId; 22586 args.arg2 = extras; 22587 obtainMessage(MSG_CREATED, args).sendToTarget(); 22588 } 22589 22590 private void notifyStatusChanged(int moveId, int status) { 22591 notifyStatusChanged(moveId, status, -1); 22592 } 22593 22594 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22595 Slog.v(TAG, "Move " + moveId + " status " + status); 22596 22597 final SomeArgs args = SomeArgs.obtain(); 22598 args.argi1 = moveId; 22599 args.argi2 = status; 22600 args.arg3 = estMillis; 22601 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22602 22603 synchronized (mLastStatus) { 22604 mLastStatus.put(moveId, status); 22605 } 22606 } 22607 } 22608 22609 private final static class OnPermissionChangeListeners extends Handler { 22610 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22611 22612 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22613 new RemoteCallbackList<>(); 22614 22615 public OnPermissionChangeListeners(Looper looper) { 22616 super(looper); 22617 } 22618 22619 @Override 22620 public void handleMessage(Message msg) { 22621 switch (msg.what) { 22622 case MSG_ON_PERMISSIONS_CHANGED: { 22623 final int uid = msg.arg1; 22624 handleOnPermissionsChanged(uid); 22625 } break; 22626 } 22627 } 22628 22629 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22630 mPermissionListeners.register(listener); 22631 22632 } 22633 22634 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22635 mPermissionListeners.unregister(listener); 22636 } 22637 22638 public void onPermissionsChanged(int uid) { 22639 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22640 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22641 } 22642 } 22643 22644 private void handleOnPermissionsChanged(int uid) { 22645 final int count = mPermissionListeners.beginBroadcast(); 22646 try { 22647 for (int i = 0; i < count; i++) { 22648 IOnPermissionsChangeListener callback = mPermissionListeners 22649 .getBroadcastItem(i); 22650 try { 22651 callback.onPermissionsChanged(uid); 22652 } catch (RemoteException e) { 22653 Log.e(TAG, "Permission listener is dead", e); 22654 } 22655 } 22656 } finally { 22657 mPermissionListeners.finishBroadcast(); 22658 } 22659 } 22660 } 22661 22662 private class PackageManagerInternalImpl extends PackageManagerInternal { 22663 @Override 22664 public void setLocationPackagesProvider(PackagesProvider provider) { 22665 synchronized (mPackages) { 22666 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22667 } 22668 } 22669 22670 @Override 22671 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22672 synchronized (mPackages) { 22673 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22674 } 22675 } 22676 22677 @Override 22678 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22679 synchronized (mPackages) { 22680 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22681 } 22682 } 22683 22684 @Override 22685 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22686 synchronized (mPackages) { 22687 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22688 } 22689 } 22690 22691 @Override 22692 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22693 synchronized (mPackages) { 22694 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22695 } 22696 } 22697 22698 @Override 22699 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22700 synchronized (mPackages) { 22701 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22702 } 22703 } 22704 22705 @Override 22706 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22707 synchronized (mPackages) { 22708 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22709 packageName, userId); 22710 } 22711 } 22712 22713 @Override 22714 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22715 synchronized (mPackages) { 22716 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22717 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22718 packageName, userId); 22719 } 22720 } 22721 22722 @Override 22723 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22724 synchronized (mPackages) { 22725 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22726 packageName, userId); 22727 } 22728 } 22729 22730 @Override 22731 public void setKeepUninstalledPackages(final List<String> packageList) { 22732 Preconditions.checkNotNull(packageList); 22733 List<String> removedFromList = null; 22734 synchronized (mPackages) { 22735 if (mKeepUninstalledPackages != null) { 22736 final int packagesCount = mKeepUninstalledPackages.size(); 22737 for (int i = 0; i < packagesCount; i++) { 22738 String oldPackage = mKeepUninstalledPackages.get(i); 22739 if (packageList != null && packageList.contains(oldPackage)) { 22740 continue; 22741 } 22742 if (removedFromList == null) { 22743 removedFromList = new ArrayList<>(); 22744 } 22745 removedFromList.add(oldPackage); 22746 } 22747 } 22748 mKeepUninstalledPackages = new ArrayList<>(packageList); 22749 if (removedFromList != null) { 22750 final int removedCount = removedFromList.size(); 22751 for (int i = 0; i < removedCount; i++) { 22752 deletePackageIfUnusedLPr(removedFromList.get(i)); 22753 } 22754 } 22755 } 22756 } 22757 22758 @Override 22759 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22760 synchronized (mPackages) { 22761 // If we do not support permission review, done. 22762 if (!mPermissionReviewRequired) { 22763 return false; 22764 } 22765 22766 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22767 if (packageSetting == null) { 22768 return false; 22769 } 22770 22771 // Permission review applies only to apps not supporting the new permission model. 22772 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22773 return false; 22774 } 22775 22776 // Legacy apps have the permission and get user consent on launch. 22777 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22778 return permissionsState.isPermissionReviewRequired(userId); 22779 } 22780 } 22781 22782 @Override 22783 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 22784 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 22785 } 22786 22787 @Override 22788 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22789 int userId) { 22790 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22791 } 22792 22793 @Override 22794 public void setDeviceAndProfileOwnerPackages( 22795 int deviceOwnerUserId, String deviceOwnerPackage, 22796 SparseArray<String> profileOwnerPackages) { 22797 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22798 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22799 } 22800 22801 @Override 22802 public boolean isPackageDataProtected(int userId, String packageName) { 22803 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22804 } 22805 22806 @Override 22807 public boolean isPackageEphemeral(int userId, String packageName) { 22808 synchronized (mPackages) { 22809 PackageParser.Package p = mPackages.get(packageName); 22810 return p != null ? p.applicationInfo.isEphemeralApp() : false; 22811 } 22812 } 22813 22814 @Override 22815 public boolean wasPackageEverLaunched(String packageName, int userId) { 22816 synchronized (mPackages) { 22817 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 22818 } 22819 } 22820 22821 @Override 22822 public void grantRuntimePermission(String packageName, String name, int userId, 22823 boolean overridePolicy) { 22824 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 22825 overridePolicy); 22826 } 22827 22828 @Override 22829 public void revokeRuntimePermission(String packageName, String name, int userId, 22830 boolean overridePolicy) { 22831 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 22832 overridePolicy); 22833 } 22834 22835 @Override 22836 public String getNameForUid(int uid) { 22837 return PackageManagerService.this.getNameForUid(uid); 22838 } 22839 22840 @Override 22841 public void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 22842 Intent origIntent, String resolvedType, Intent launchIntent, 22843 String callingPackage, int userId) { 22844 PackageManagerService.this.requestEphemeralResolutionPhaseTwo( 22845 responseObj, origIntent, resolvedType, launchIntent, callingPackage, userId); 22846 } 22847 22848 @Override 22849 public void grantEphemeralAccess(int userId, Intent intent, 22850 int targetAppId, int ephemeralAppId) { 22851 synchronized (mPackages) { 22852 mEphemeralApplicationRegistry.grantEphemeralAccessLPw(userId, intent, 22853 targetAppId, ephemeralAppId); 22854 } 22855 } 22856 22857 public String getSetupWizardPackageName() { 22858 return mSetupWizardPackage; 22859 } 22860 22861 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 22862 if (policy != null) { 22863 mExternalSourcesPolicy = policy; 22864 } 22865 } 22866 22867 @Override 22868 public List<PackageInfo> getOverlayPackages(int userId) { 22869 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 22870 synchronized (mPackages) { 22871 for (PackageParser.Package p : mPackages.values()) { 22872 if (p.mOverlayTarget != null) { 22873 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 22874 if (pkg != null) { 22875 overlayPackages.add(pkg); 22876 } 22877 } 22878 } 22879 } 22880 return overlayPackages; 22881 } 22882 22883 @Override 22884 public List<String> getTargetPackageNames(int userId) { 22885 List<String> targetPackages = new ArrayList<>(); 22886 synchronized (mPackages) { 22887 for (PackageParser.Package p : mPackages.values()) { 22888 if (p.mOverlayTarget == null) { 22889 targetPackages.add(p.packageName); 22890 } 22891 } 22892 } 22893 return targetPackages; 22894 } 22895 22896 22897 @Override 22898 public boolean setEnabledOverlayPackages(int userId, String targetPackageName, 22899 List<String> overlayPackageNames) { 22900 // TODO: implement when we integrate OMS properly 22901 return false; 22902 } 22903 } 22904 22905 @Override 22906 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 22907 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 22908 synchronized (mPackages) { 22909 final long identity = Binder.clearCallingIdentity(); 22910 try { 22911 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 22912 packageNames, userId); 22913 } finally { 22914 Binder.restoreCallingIdentity(identity); 22915 } 22916 } 22917 } 22918 22919 private static void enforceSystemOrPhoneCaller(String tag) { 22920 int callingUid = Binder.getCallingUid(); 22921 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 22922 throw new SecurityException( 22923 "Cannot call " + tag + " from UID " + callingUid); 22924 } 22925 } 22926 22927 boolean isHistoricalPackageUsageAvailable() { 22928 return mPackageUsage.isHistoricalPackageUsageAvailable(); 22929 } 22930 22931 /** 22932 * Return a <b>copy</b> of the collection of packages known to the package manager. 22933 * @return A copy of the values of mPackages. 22934 */ 22935 Collection<PackageParser.Package> getPackages() { 22936 synchronized (mPackages) { 22937 return new ArrayList<>(mPackages.values()); 22938 } 22939 } 22940 22941 /** 22942 * Logs process start information (including base APK hash) to the security log. 22943 * @hide 22944 */ 22945 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 22946 String apkFile, int pid) { 22947 if (!SecurityLog.isLoggingEnabled()) { 22948 return; 22949 } 22950 Bundle data = new Bundle(); 22951 data.putLong("startTimestamp", System.currentTimeMillis()); 22952 data.putString("processName", processName); 22953 data.putInt("uid", uid); 22954 data.putString("seinfo", seinfo); 22955 data.putString("apkFile", apkFile); 22956 data.putInt("pid", pid); 22957 Message msg = mProcessLoggingHandler.obtainMessage( 22958 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 22959 msg.setData(data); 22960 mProcessLoggingHandler.sendMessage(msg); 22961 } 22962 22963 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 22964 return mCompilerStats.getPackageStats(pkgName); 22965 } 22966 22967 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 22968 return getOrCreateCompilerPackageStats(pkg.packageName); 22969 } 22970 22971 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 22972 return mCompilerStats.getOrCreatePackageStats(pkgName); 22973 } 22974 22975 public void deleteCompilerPackageStats(String pkgName) { 22976 mCompilerStats.deletePackageStats(pkgName); 22977 } 22978 22979 @Override 22980 public int getInstallReason(String packageName, int userId) { 22981 enforceCrossUserPermission(Binder.getCallingUid(), userId, 22982 true /* requireFullPermission */, false /* checkShell */, 22983 "get install reason"); 22984 synchronized (mPackages) { 22985 final PackageSetting ps = mSettings.mPackages.get(packageName); 22986 if (ps != null) { 22987 return ps.getInstallReason(userId); 22988 } 22989 } 22990 return PackageManager.INSTALL_REASON_UNKNOWN; 22991 } 22992 22993 @Override 22994 public boolean canRequestPackageInstalls(String packageName, int userId) { 22995 int callingUid = Binder.getCallingUid(); 22996 int uid = getPackageUid(packageName, 0, userId); 22997 if (callingUid != uid && callingUid != Process.ROOT_UID 22998 && callingUid != Process.SYSTEM_UID) { 22999 throw new SecurityException( 23000 "Caller uid " + callingUid + " does not own package " + packageName); 23001 } 23002 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23003 if (info == null) { 23004 return false; 23005 } 23006 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23007 throw new UnsupportedOperationException( 23008 "Operation only supported on apps targeting Android O or higher"); 23009 } 23010 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23011 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23012 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23013 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23014 } 23015 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23016 return false; 23017 } 23018 if (mExternalSourcesPolicy != null) { 23019 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23020 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23021 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23022 } 23023 } 23024 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23025 } 23026} 23027