PackageManagerService.java revision be0b8896d1bc385d4c8fb54c21929745935dcbea
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_INSTANT_APP_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.ChangedPackages; 130import android.content.pm.ComponentInfo; 131import android.content.pm.InstantAppInfo; 132import android.content.pm.EphemeralRequest; 133import android.content.pm.EphemeralResolveInfo; 134import android.content.pm.EphemeralResponse; 135import android.content.pm.FallbackCategoryProvider; 136import android.content.pm.FeatureInfo; 137import android.content.pm.IOnPermissionsChangeListener; 138import android.content.pm.IPackageDataObserver; 139import android.content.pm.IPackageDeleteObserver; 140import android.content.pm.IPackageDeleteObserver2; 141import android.content.pm.IPackageInstallObserver2; 142import android.content.pm.IPackageInstaller; 143import android.content.pm.IPackageManager; 144import android.content.pm.IPackageMoveObserver; 145import android.content.pm.IPackageStatsObserver; 146import android.content.pm.InstrumentationInfo; 147import android.content.pm.IntentFilterVerificationInfo; 148import android.content.pm.KeySet; 149import android.content.pm.PackageCleanItem; 150import android.content.pm.PackageInfo; 151import android.content.pm.PackageInfoLite; 152import android.content.pm.PackageInstaller; 153import android.content.pm.PackageManager; 154import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 155import android.content.pm.PackageManagerInternal; 156import android.content.pm.PackageParser; 157import android.content.pm.PackageParser.ActivityIntentInfo; 158import android.content.pm.PackageParser.PackageLite; 159import android.content.pm.PackageParser.PackageParserException; 160import android.content.pm.PackageStats; 161import android.content.pm.PackageUserState; 162import android.content.pm.ParceledListSlice; 163import android.content.pm.PermissionGroupInfo; 164import android.content.pm.PermissionInfo; 165import android.content.pm.ProviderInfo; 166import android.content.pm.ResolveInfo; 167import android.content.pm.SELinuxUtil; 168import android.content.pm.ServiceInfo; 169import android.content.pm.SharedLibraryInfo; 170import android.content.pm.Signature; 171import android.content.pm.UserInfo; 172import android.content.pm.VerifierDeviceIdentity; 173import android.content.pm.VerifierInfo; 174import android.content.pm.VersionedPackage; 175import android.content.res.Resources; 176import android.graphics.Bitmap; 177import android.hardware.display.DisplayManager; 178import android.net.Uri; 179import android.os.Binder; 180import android.os.Build; 181import android.os.Bundle; 182import android.os.Debug; 183import android.os.Environment; 184import android.os.Environment.UserEnvironment; 185import android.os.FileUtils; 186import android.os.Handler; 187import android.os.IBinder; 188import android.os.Looper; 189import android.os.Message; 190import android.os.Parcel; 191import android.os.ParcelFileDescriptor; 192import android.os.PatternMatcher; 193import android.os.Process; 194import android.os.RemoteCallbackList; 195import android.os.RemoteException; 196import android.os.ResultReceiver; 197import android.os.SELinux; 198import android.os.ServiceManager; 199import android.os.ShellCallback; 200import android.os.SystemClock; 201import android.os.SystemProperties; 202import android.os.Trace; 203import android.os.UserHandle; 204import android.os.UserManager; 205import android.os.UserManagerInternal; 206import android.os.storage.IStorageManager; 207import android.os.storage.StorageManagerInternal; 208import android.os.storage.StorageEventListener; 209import android.os.storage.StorageManager; 210import android.os.storage.VolumeInfo; 211import android.os.storage.VolumeRecord; 212import android.provider.Settings.Global; 213import android.provider.Settings.Secure; 214import android.security.KeyStore; 215import android.security.SystemKeyStore; 216import android.system.ErrnoException; 217import android.system.Os; 218import android.text.TextUtils; 219import android.text.format.DateUtils; 220import android.util.ArrayMap; 221import android.util.ArraySet; 222import android.util.Base64; 223import android.util.DisplayMetrics; 224import android.util.EventLog; 225import android.util.ExceptionUtils; 226import android.util.Log; 227import android.util.LogPrinter; 228import android.util.MathUtils; 229import android.util.PackageUtils; 230import android.util.Pair; 231import android.util.PrintStreamPrinter; 232import android.util.Slog; 233import android.util.SparseArray; 234import android.util.SparseBooleanArray; 235import android.util.SparseIntArray; 236import android.util.Xml; 237import android.util.jar.StrictJarFile; 238import android.view.Display; 239 240import com.android.internal.R; 241import com.android.internal.annotations.GuardedBy; 242import com.android.internal.app.IMediaContainerService; 243import com.android.internal.app.ResolverActivity; 244import com.android.internal.content.NativeLibraryHelper; 245import com.android.internal.content.PackageHelper; 246import com.android.internal.logging.MetricsLogger; 247import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 248import com.android.internal.os.IParcelFileDescriptorFactory; 249import com.android.internal.os.RoSystemProperties; 250import com.android.internal.os.SomeArgs; 251import com.android.internal.os.Zygote; 252import com.android.internal.telephony.CarrierAppUtils; 253import com.android.internal.util.ArrayUtils; 254import com.android.internal.util.FastPrintWriter; 255import com.android.internal.util.FastXmlSerializer; 256import com.android.internal.util.IndentingPrintWriter; 257import com.android.internal.util.Preconditions; 258import com.android.internal.util.XmlUtils; 259import com.android.server.AttributeCache; 260import com.android.server.BackgroundDexOptJobService; 261import com.android.server.EventLogTags; 262import com.android.server.FgThread; 263import com.android.server.IntentResolver; 264import com.android.server.LocalServices; 265import com.android.server.ServiceThread; 266import com.android.server.SystemConfig; 267import com.android.server.Watchdog; 268import com.android.server.net.NetworkPolicyManagerInternal; 269import com.android.server.pm.Installer.InstallerException; 270import com.android.server.pm.PermissionsState.PermissionState; 271import com.android.server.pm.Settings.DatabaseVersion; 272import com.android.server.pm.Settings.VersionInfo; 273import com.android.server.pm.dex.DexManager; 274import com.android.server.storage.DeviceStorageMonitorInternal; 275 276import dalvik.system.CloseGuard; 277import dalvik.system.DexFile; 278import dalvik.system.VMRuntime; 279 280import libcore.io.IoUtils; 281import libcore.util.EmptyArray; 282 283import org.xmlpull.v1.XmlPullParser; 284import org.xmlpull.v1.XmlPullParserException; 285import org.xmlpull.v1.XmlSerializer; 286 287import java.io.BufferedOutputStream; 288import java.io.BufferedReader; 289import java.io.ByteArrayInputStream; 290import java.io.ByteArrayOutputStream; 291import java.io.File; 292import java.io.FileDescriptor; 293import java.io.FileInputStream; 294import java.io.FileNotFoundException; 295import java.io.FileOutputStream; 296import java.io.FileReader; 297import java.io.FilenameFilter; 298import java.io.IOException; 299import java.io.PrintWriter; 300import java.nio.charset.StandardCharsets; 301import java.security.DigestInputStream; 302import java.security.MessageDigest; 303import java.security.NoSuchAlgorithmException; 304import java.security.PublicKey; 305import java.security.SecureRandom; 306import java.security.cert.Certificate; 307import java.security.cert.CertificateEncodingException; 308import java.security.cert.CertificateException; 309import java.text.SimpleDateFormat; 310import java.util.ArrayList; 311import java.util.Arrays; 312import java.util.Collection; 313import java.util.Collections; 314import java.util.Comparator; 315import java.util.Date; 316import java.util.HashSet; 317import java.util.HashMap; 318import java.util.Iterator; 319import java.util.List; 320import java.util.Map; 321import java.util.Objects; 322import java.util.Set; 323import java.util.concurrent.CountDownLatch; 324import java.util.concurrent.TimeUnit; 325import java.util.concurrent.atomic.AtomicBoolean; 326import java.util.concurrent.atomic.AtomicInteger; 327 328/** 329 * Keep track of all those APKs everywhere. 330 * <p> 331 * Internally there are two important locks: 332 * <ul> 333 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 334 * and other related state. It is a fine-grained lock that should only be held 335 * momentarily, as it's one of the most contended locks in the system. 336 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 337 * operations typically involve heavy lifting of application data on disk. Since 338 * {@code installd} is single-threaded, and it's operations can often be slow, 339 * this lock should never be acquired while already holding {@link #mPackages}. 340 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 341 * holding {@link #mInstallLock}. 342 * </ul> 343 * Many internal methods rely on the caller to hold the appropriate locks, and 344 * this contract is expressed through method name suffixes: 345 * <ul> 346 * <li>fooLI(): the caller must hold {@link #mInstallLock} 347 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 348 * being modified must be frozen 349 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 350 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 351 * </ul> 352 * <p> 353 * Because this class is very central to the platform's security; please run all 354 * CTS and unit tests whenever making modifications: 355 * 356 * <pre> 357 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 358 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 359 * </pre> 360 */ 361public class PackageManagerService extends IPackageManager.Stub { 362 static final String TAG = "PackageManager"; 363 static final boolean DEBUG_SETTINGS = false; 364 static final boolean DEBUG_PREFERRED = false; 365 static final boolean DEBUG_UPGRADE = false; 366 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 367 private static final boolean DEBUG_BACKUP = false; 368 private static final boolean DEBUG_INSTALL = false; 369 private static final boolean DEBUG_REMOVE = false; 370 private static final boolean DEBUG_BROADCASTS = false; 371 private static final boolean DEBUG_SHOW_INFO = false; 372 private static final boolean DEBUG_PACKAGE_INFO = false; 373 private static final boolean DEBUG_INTENT_MATCHING = false; 374 private static final boolean DEBUG_PACKAGE_SCANNING = false; 375 private static final boolean DEBUG_VERIFY = false; 376 private static final boolean DEBUG_FILTERS = false; 377 378 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 379 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 380 // user, but by default initialize to this. 381 public static final boolean DEBUG_DEXOPT = false; 382 383 private static final boolean DEBUG_ABI_SELECTION = false; 384 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 385 private static final boolean DEBUG_TRIAGED_MISSING = false; 386 private static final boolean DEBUG_APP_DATA = false; 387 388 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 389 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 390 391 private static final boolean DISABLE_EPHEMERAL_APPS = false; 392 private static final boolean HIDE_EPHEMERAL_APIS = false; 393 394 private static final boolean ENABLE_QUOTA = 395 SystemProperties.getBoolean("persist.fw.quota", false); 396 397 private static final int RADIO_UID = Process.PHONE_UID; 398 private static final int LOG_UID = Process.LOG_UID; 399 private static final int NFC_UID = Process.NFC_UID; 400 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 401 private static final int SHELL_UID = Process.SHELL_UID; 402 403 // Cap the size of permission trees that 3rd party apps can define 404 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 405 406 // Suffix used during package installation when copying/moving 407 // package apks to install directory. 408 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 409 410 static final int SCAN_NO_DEX = 1<<1; 411 static final int SCAN_FORCE_DEX = 1<<2; 412 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 413 static final int SCAN_NEW_INSTALL = 1<<4; 414 static final int SCAN_UPDATE_TIME = 1<<5; 415 static final int SCAN_BOOTING = 1<<6; 416 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 417 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 418 static final int SCAN_REPLACING = 1<<9; 419 static final int SCAN_REQUIRE_KNOWN = 1<<10; 420 static final int SCAN_MOVE = 1<<11; 421 static final int SCAN_INITIAL = 1<<12; 422 static final int SCAN_CHECK_ONLY = 1<<13; 423 static final int SCAN_DONT_KILL_APP = 1<<14; 424 static final int SCAN_IGNORE_FROZEN = 1<<15; 425 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 426 static final int SCAN_AS_INSTANT_APP = 1<<17; 427 static final int SCAN_AS_FULL_APP = 1<<18; 428 /** Should not be with the scan flags */ 429 static final int FLAGS_REMOVE_CHATTY = 1<<31; 430 431 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 432 433 private static final int[] EMPTY_INT_ARRAY = new int[0]; 434 435 /** 436 * Timeout (in milliseconds) after which the watchdog should declare that 437 * our handler thread is wedged. The usual default for such things is one 438 * minute but we sometimes do very lengthy I/O operations on this thread, 439 * such as installing multi-gigabyte applications, so ours needs to be longer. 440 */ 441 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 442 443 /** 444 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 445 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 446 * settings entry if available, otherwise we use the hardcoded default. If it's been 447 * more than this long since the last fstrim, we force one during the boot sequence. 448 * 449 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 450 * one gets run at the next available charging+idle time. This final mandatory 451 * no-fstrim check kicks in only of the other scheduling criteria is never met. 452 */ 453 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 454 455 /** 456 * Whether verification is enabled by default. 457 */ 458 private static final boolean DEFAULT_VERIFY_ENABLE = true; 459 460 /** 461 * The default maximum time to wait for the verification agent to return in 462 * milliseconds. 463 */ 464 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 465 466 /** 467 * The default response for package verification timeout. 468 * 469 * This can be either PackageManager.VERIFICATION_ALLOW or 470 * PackageManager.VERIFICATION_REJECT. 471 */ 472 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 473 474 static final String PLATFORM_PACKAGE_NAME = "android"; 475 476 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 477 478 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 479 DEFAULT_CONTAINER_PACKAGE, 480 "com.android.defcontainer.DefaultContainerService"); 481 482 private static final String KILL_APP_REASON_GIDS_CHANGED = 483 "permission grant or revoke changed gids"; 484 485 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 486 "permissions revoked"; 487 488 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 489 490 private static final String PACKAGE_SCHEME = "package"; 491 492 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 493 /** 494 * If VENDOR_OVERLAY_THEME_PROPERTY is set, search for runtime resource overlay APKs also in 495 * VENDOR_OVERLAY_DIR/<value of VENDOR_OVERLAY_THEME_PROPERTY> in addition to 496 * VENDOR_OVERLAY_DIR. 497 */ 498 private static final String VENDOR_OVERLAY_THEME_PROPERTY = "ro.boot.vendor.overlay.theme"; 499 /** 500 * Same as VENDOR_OVERLAY_THEME_PROPERTY, except persistent. If set will override whatever 501 * is in VENDOR_OVERLAY_THEME_PROPERTY. 502 */ 503 private static final String VENDOR_OVERLAY_THEME_PERSIST_PROPERTY 504 = "persist.vendor.overlay.theme"; 505 506 /** Permission grant: not grant the permission. */ 507 private static final int GRANT_DENIED = 1; 508 509 /** Permission grant: grant the permission as an install permission. */ 510 private static final int GRANT_INSTALL = 2; 511 512 /** Permission grant: grant the permission as a runtime one. */ 513 private static final int GRANT_RUNTIME = 3; 514 515 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 516 private static final int GRANT_UPGRADE = 4; 517 518 /** Canonical intent used to identify what counts as a "web browser" app */ 519 private static final Intent sBrowserIntent; 520 static { 521 sBrowserIntent = new Intent(); 522 sBrowserIntent.setAction(Intent.ACTION_VIEW); 523 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 524 sBrowserIntent.setData(Uri.parse("http:")); 525 } 526 527 /** 528 * The set of all protected actions [i.e. those actions for which a high priority 529 * intent filter is disallowed]. 530 */ 531 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 532 static { 533 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 534 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 535 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 536 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 537 } 538 539 // Compilation reasons. 540 public static final int REASON_FIRST_BOOT = 0; 541 public static final int REASON_BOOT = 1; 542 public static final int REASON_INSTALL = 2; 543 public static final int REASON_BACKGROUND_DEXOPT = 3; 544 public static final int REASON_AB_OTA = 4; 545 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 546 public static final int REASON_SHARED_APK = 6; 547 public static final int REASON_FORCED_DEXOPT = 7; 548 public static final int REASON_CORE_APP = 8; 549 550 public static final int REASON_LAST = REASON_CORE_APP; 551 552 /** All dangerous permission names in the same order as the events in MetricsEvent */ 553 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 554 Manifest.permission.READ_CALENDAR, 555 Manifest.permission.WRITE_CALENDAR, 556 Manifest.permission.CAMERA, 557 Manifest.permission.READ_CONTACTS, 558 Manifest.permission.WRITE_CONTACTS, 559 Manifest.permission.GET_ACCOUNTS, 560 Manifest.permission.ACCESS_FINE_LOCATION, 561 Manifest.permission.ACCESS_COARSE_LOCATION, 562 Manifest.permission.RECORD_AUDIO, 563 Manifest.permission.READ_PHONE_STATE, 564 Manifest.permission.CALL_PHONE, 565 Manifest.permission.READ_CALL_LOG, 566 Manifest.permission.WRITE_CALL_LOG, 567 Manifest.permission.ADD_VOICEMAIL, 568 Manifest.permission.USE_SIP, 569 Manifest.permission.PROCESS_OUTGOING_CALLS, 570 Manifest.permission.READ_CELL_BROADCASTS, 571 Manifest.permission.BODY_SENSORS, 572 Manifest.permission.SEND_SMS, 573 Manifest.permission.RECEIVE_SMS, 574 Manifest.permission.READ_SMS, 575 Manifest.permission.RECEIVE_WAP_PUSH, 576 Manifest.permission.RECEIVE_MMS, 577 Manifest.permission.READ_EXTERNAL_STORAGE, 578 Manifest.permission.WRITE_EXTERNAL_STORAGE, 579 Manifest.permission.READ_PHONE_NUMBER); 580 581 582 /** 583 * Version number for the package parser cache. Increment this whenever the format or 584 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 585 */ 586 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 587 588 /** 589 * Whether the package parser cache is enabled. 590 */ 591 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 592 593 final ServiceThread mHandlerThread; 594 595 final PackageHandler mHandler; 596 597 private final ProcessLoggingHandler mProcessLoggingHandler; 598 599 /** 600 * Messages for {@link #mHandler} that need to wait for system ready before 601 * being dispatched. 602 */ 603 private ArrayList<Message> mPostSystemReadyMessages; 604 605 final int mSdkVersion = Build.VERSION.SDK_INT; 606 607 final Context mContext; 608 final boolean mFactoryTest; 609 final boolean mOnlyCore; 610 final DisplayMetrics mMetrics; 611 final int mDefParseFlags; 612 final String[] mSeparateProcesses; 613 final boolean mIsUpgrade; 614 final boolean mIsPreNUpgrade; 615 final boolean mIsPreNMR1Upgrade; 616 617 @GuardedBy("mPackages") 618 private boolean mDexOptDialogShown; 619 620 /** The location for ASEC container files on internal storage. */ 621 final String mAsecInternalPath; 622 623 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 624 // LOCK HELD. Can be called with mInstallLock held. 625 @GuardedBy("mInstallLock") 626 final Installer mInstaller; 627 628 /** Directory where installed third-party apps stored */ 629 final File mAppInstallDir; 630 final File mEphemeralInstallDir; 631 632 /** 633 * Directory to which applications installed internally have their 634 * 32 bit native libraries copied. 635 */ 636 private File mAppLib32InstallDir; 637 638 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 639 // apps. 640 final File mDrmAppPrivateInstallDir; 641 642 // ---------------------------------------------------------------- 643 644 // Lock for state used when installing and doing other long running 645 // operations. Methods that must be called with this lock held have 646 // the suffix "LI". 647 final Object mInstallLock = new Object(); 648 649 // ---------------------------------------------------------------- 650 651 // Keys are String (package name), values are Package. This also serves 652 // as the lock for the global state. Methods that must be called with 653 // this lock held have the prefix "LP". 654 @GuardedBy("mPackages") 655 final ArrayMap<String, PackageParser.Package> mPackages = 656 new ArrayMap<String, PackageParser.Package>(); 657 658 final ArrayMap<String, Set<String>> mKnownCodebase = 659 new ArrayMap<String, Set<String>>(); 660 661 // Tracks available target package names -> overlay package paths. 662 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 663 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 664 665 /** 666 * Tracks new system packages [received in an OTA] that we expect to 667 * find updated user-installed versions. Keys are package name, values 668 * are package location. 669 */ 670 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 671 /** 672 * Tracks high priority intent filters for protected actions. During boot, certain 673 * filter actions are protected and should never be allowed to have a high priority 674 * intent filter for them. However, there is one, and only one exception -- the 675 * setup wizard. It must be able to define a high priority intent filter for these 676 * actions to ensure there are no escapes from the wizard. We need to delay processing 677 * of these during boot as we need to look at all of the system packages in order 678 * to know which component is the setup wizard. 679 */ 680 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 681 /** 682 * Whether or not processing protected filters should be deferred. 683 */ 684 private boolean mDeferProtectedFilters = true; 685 686 /** 687 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 688 */ 689 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 690 /** 691 * Whether or not system app permissions should be promoted from install to runtime. 692 */ 693 boolean mPromoteSystemApps; 694 695 @GuardedBy("mPackages") 696 final Settings mSettings; 697 698 /** 699 * Set of package names that are currently "frozen", which means active 700 * surgery is being done on the code/data for that package. The platform 701 * will refuse to launch frozen packages to avoid race conditions. 702 * 703 * @see PackageFreezer 704 */ 705 @GuardedBy("mPackages") 706 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 707 708 final ProtectedPackages mProtectedPackages; 709 710 boolean mFirstBoot; 711 712 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 713 714 // System configuration read by SystemConfig. 715 final int[] mGlobalGids; 716 final SparseArray<ArraySet<String>> mSystemPermissions; 717 @GuardedBy("mAvailableFeatures") 718 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 719 720 // If mac_permissions.xml was found for seinfo labeling. 721 boolean mFoundPolicyFile; 722 723 private final InstantAppRegistry mInstantAppRegistry; 724 725 @GuardedBy("mPackages") 726 int mChangedPackagesSequenceNumber; 727 /** 728 * List of changed [installed, removed or updated] packages. 729 * mapping from user id -> sequence number -> package name 730 */ 731 @GuardedBy("mPackages") 732 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 733 /** 734 * The sequence number of the last change to a package. 735 * mapping from user id -> package name -> sequence number 736 */ 737 @GuardedBy("mPackages") 738 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 739 740 public static final class SharedLibraryEntry { 741 public final String path; 742 public final String apk; 743 public final SharedLibraryInfo info; 744 745 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 746 String declaringPackageName, int declaringPackageVersionCode) { 747 path = _path; 748 apk = _apk; 749 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 750 declaringPackageName, declaringPackageVersionCode), null); 751 } 752 } 753 754 // Currently known shared libraries. 755 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 756 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 757 new ArrayMap<>(); 758 759 // All available activities, for your resolving pleasure. 760 final ActivityIntentResolver mActivities = 761 new ActivityIntentResolver(); 762 763 // All available receivers, for your resolving pleasure. 764 final ActivityIntentResolver mReceivers = 765 new ActivityIntentResolver(); 766 767 // All available services, for your resolving pleasure. 768 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 769 770 // All available providers, for your resolving pleasure. 771 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 772 773 // Mapping from provider base names (first directory in content URI codePath) 774 // to the provider information. 775 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 776 new ArrayMap<String, PackageParser.Provider>(); 777 778 // Mapping from instrumentation class names to info about them. 779 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 780 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 781 782 // Mapping from permission names to info about them. 783 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 784 new ArrayMap<String, PackageParser.PermissionGroup>(); 785 786 // Packages whose data we have transfered into another package, thus 787 // should no longer exist. 788 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 789 790 // Broadcast actions that are only available to the system. 791 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 792 793 /** List of packages waiting for verification. */ 794 final SparseArray<PackageVerificationState> mPendingVerification 795 = new SparseArray<PackageVerificationState>(); 796 797 /** Set of packages associated with each app op permission. */ 798 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 799 800 final PackageInstallerService mInstallerService; 801 802 private final PackageDexOptimizer mPackageDexOptimizer; 803 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 804 // is used by other apps). 805 private final DexManager mDexManager; 806 807 private AtomicInteger mNextMoveId = new AtomicInteger(); 808 private final MoveCallbacks mMoveCallbacks; 809 810 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 811 812 // Cache of users who need badging. 813 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 814 815 /** Token for keys in mPendingVerification. */ 816 private int mPendingVerificationToken = 0; 817 818 volatile boolean mSystemReady; 819 volatile boolean mSafeMode; 820 volatile boolean mHasSystemUidErrors; 821 822 ApplicationInfo mAndroidApplication; 823 final ActivityInfo mResolveActivity = new ActivityInfo(); 824 final ResolveInfo mResolveInfo = new ResolveInfo(); 825 ComponentName mResolveComponentName; 826 PackageParser.Package mPlatformPackage; 827 ComponentName mCustomResolverComponentName; 828 829 boolean mResolverReplaced = false; 830 831 private final @Nullable ComponentName mIntentFilterVerifierComponent; 832 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 833 834 private int mIntentFilterVerificationToken = 0; 835 836 /** The service connection to the ephemeral resolver */ 837 final EphemeralResolverConnection mEphemeralResolverConnection; 838 839 /** Component used to install ephemeral applications */ 840 ComponentName mEphemeralInstallerComponent; 841 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 842 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 843 844 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 845 = new SparseArray<IntentFilterVerificationState>(); 846 847 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 848 849 // List of packages names to keep cached, even if they are uninstalled for all users 850 private List<String> mKeepUninstalledPackages; 851 852 private UserManagerInternal mUserManagerInternal; 853 854 private File mCacheDir; 855 856 private ArraySet<String> mPrivappPermissionsViolations; 857 858 private static class IFVerificationParams { 859 PackageParser.Package pkg; 860 boolean replacing; 861 int userId; 862 int verifierUid; 863 864 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 865 int _userId, int _verifierUid) { 866 pkg = _pkg; 867 replacing = _replacing; 868 userId = _userId; 869 replacing = _replacing; 870 verifierUid = _verifierUid; 871 } 872 } 873 874 private interface IntentFilterVerifier<T extends IntentFilter> { 875 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 876 T filter, String packageName); 877 void startVerifications(int userId); 878 void receiveVerificationResponse(int verificationId); 879 } 880 881 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 882 private Context mContext; 883 private ComponentName mIntentFilterVerifierComponent; 884 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 885 886 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 887 mContext = context; 888 mIntentFilterVerifierComponent = verifierComponent; 889 } 890 891 private String getDefaultScheme() { 892 return IntentFilter.SCHEME_HTTPS; 893 } 894 895 @Override 896 public void startVerifications(int userId) { 897 // Launch verifications requests 898 int count = mCurrentIntentFilterVerifications.size(); 899 for (int n=0; n<count; n++) { 900 int verificationId = mCurrentIntentFilterVerifications.get(n); 901 final IntentFilterVerificationState ivs = 902 mIntentFilterVerificationStates.get(verificationId); 903 904 String packageName = ivs.getPackageName(); 905 906 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 907 final int filterCount = filters.size(); 908 ArraySet<String> domainsSet = new ArraySet<>(); 909 for (int m=0; m<filterCount; m++) { 910 PackageParser.ActivityIntentInfo filter = filters.get(m); 911 domainsSet.addAll(filter.getHostsList()); 912 } 913 synchronized (mPackages) { 914 if (mSettings.createIntentFilterVerificationIfNeededLPw( 915 packageName, domainsSet) != null) { 916 scheduleWriteSettingsLocked(); 917 } 918 } 919 sendVerificationRequest(userId, verificationId, ivs); 920 } 921 mCurrentIntentFilterVerifications.clear(); 922 } 923 924 private void sendVerificationRequest(int userId, int verificationId, 925 IntentFilterVerificationState ivs) { 926 927 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 928 verificationIntent.putExtra( 929 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 930 verificationId); 931 verificationIntent.putExtra( 932 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 933 getDefaultScheme()); 934 verificationIntent.putExtra( 935 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 936 ivs.getHostsString()); 937 verificationIntent.putExtra( 938 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 939 ivs.getPackageName()); 940 verificationIntent.setComponent(mIntentFilterVerifierComponent); 941 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 942 943 UserHandle user = new UserHandle(userId); 944 mContext.sendBroadcastAsUser(verificationIntent, user); 945 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 946 "Sending IntentFilter verification broadcast"); 947 } 948 949 public void receiveVerificationResponse(int verificationId) { 950 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 951 952 final boolean verified = ivs.isVerified(); 953 954 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 955 final int count = filters.size(); 956 if (DEBUG_DOMAIN_VERIFICATION) { 957 Slog.i(TAG, "Received verification response " + verificationId 958 + " for " + count + " filters, verified=" + verified); 959 } 960 for (int n=0; n<count; n++) { 961 PackageParser.ActivityIntentInfo filter = filters.get(n); 962 filter.setVerified(verified); 963 964 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 965 + " verified with result:" + verified + " and hosts:" 966 + ivs.getHostsString()); 967 } 968 969 mIntentFilterVerificationStates.remove(verificationId); 970 971 final String packageName = ivs.getPackageName(); 972 IntentFilterVerificationInfo ivi = null; 973 974 synchronized (mPackages) { 975 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 976 } 977 if (ivi == null) { 978 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 979 + verificationId + " packageName:" + packageName); 980 return; 981 } 982 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 983 "Updating IntentFilterVerificationInfo for package " + packageName 984 +" verificationId:" + verificationId); 985 986 synchronized (mPackages) { 987 if (verified) { 988 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 989 } else { 990 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 991 } 992 scheduleWriteSettingsLocked(); 993 994 final int userId = ivs.getUserId(); 995 if (userId != UserHandle.USER_ALL) { 996 final int userStatus = 997 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 998 999 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1000 boolean needUpdate = false; 1001 1002 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1003 // already been set by the User thru the Disambiguation dialog 1004 switch (userStatus) { 1005 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1006 if (verified) { 1007 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1008 } else { 1009 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1010 } 1011 needUpdate = true; 1012 break; 1013 1014 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1015 if (verified) { 1016 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1017 needUpdate = true; 1018 } 1019 break; 1020 1021 default: 1022 // Nothing to do 1023 } 1024 1025 if (needUpdate) { 1026 mSettings.updateIntentFilterVerificationStatusLPw( 1027 packageName, updatedStatus, userId); 1028 scheduleWritePackageRestrictionsLocked(userId); 1029 } 1030 } 1031 } 1032 } 1033 1034 @Override 1035 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1036 ActivityIntentInfo filter, String packageName) { 1037 if (!hasValidDomains(filter)) { 1038 return false; 1039 } 1040 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1041 if (ivs == null) { 1042 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1043 packageName); 1044 } 1045 if (DEBUG_DOMAIN_VERIFICATION) { 1046 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1047 } 1048 ivs.addFilter(filter); 1049 return true; 1050 } 1051 1052 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1053 int userId, int verificationId, String packageName) { 1054 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1055 verifierUid, userId, packageName); 1056 ivs.setPendingState(); 1057 synchronized (mPackages) { 1058 mIntentFilterVerificationStates.append(verificationId, ivs); 1059 mCurrentIntentFilterVerifications.add(verificationId); 1060 } 1061 return ivs; 1062 } 1063 } 1064 1065 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1066 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1067 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1068 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1069 } 1070 1071 // Set of pending broadcasts for aggregating enable/disable of components. 1072 static class PendingPackageBroadcasts { 1073 // for each user id, a map of <package name -> components within that package> 1074 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1075 1076 public PendingPackageBroadcasts() { 1077 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1078 } 1079 1080 public ArrayList<String> get(int userId, String packageName) { 1081 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1082 return packages.get(packageName); 1083 } 1084 1085 public void put(int userId, String packageName, ArrayList<String> components) { 1086 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1087 packages.put(packageName, components); 1088 } 1089 1090 public void remove(int userId, String packageName) { 1091 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1092 if (packages != null) { 1093 packages.remove(packageName); 1094 } 1095 } 1096 1097 public void remove(int userId) { 1098 mUidMap.remove(userId); 1099 } 1100 1101 public int userIdCount() { 1102 return mUidMap.size(); 1103 } 1104 1105 public int userIdAt(int n) { 1106 return mUidMap.keyAt(n); 1107 } 1108 1109 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1110 return mUidMap.get(userId); 1111 } 1112 1113 public int size() { 1114 // total number of pending broadcast entries across all userIds 1115 int num = 0; 1116 for (int i = 0; i< mUidMap.size(); i++) { 1117 num += mUidMap.valueAt(i).size(); 1118 } 1119 return num; 1120 } 1121 1122 public void clear() { 1123 mUidMap.clear(); 1124 } 1125 1126 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1127 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1128 if (map == null) { 1129 map = new ArrayMap<String, ArrayList<String>>(); 1130 mUidMap.put(userId, map); 1131 } 1132 return map; 1133 } 1134 } 1135 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1136 1137 // Service Connection to remote media container service to copy 1138 // package uri's from external media onto secure containers 1139 // or internal storage. 1140 private IMediaContainerService mContainerService = null; 1141 1142 static final int SEND_PENDING_BROADCAST = 1; 1143 static final int MCS_BOUND = 3; 1144 static final int END_COPY = 4; 1145 static final int INIT_COPY = 5; 1146 static final int MCS_UNBIND = 6; 1147 static final int START_CLEANING_PACKAGE = 7; 1148 static final int FIND_INSTALL_LOC = 8; 1149 static final int POST_INSTALL = 9; 1150 static final int MCS_RECONNECT = 10; 1151 static final int MCS_GIVE_UP = 11; 1152 static final int UPDATED_MEDIA_STATUS = 12; 1153 static final int WRITE_SETTINGS = 13; 1154 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1155 static final int PACKAGE_VERIFIED = 15; 1156 static final int CHECK_PENDING_VERIFICATION = 16; 1157 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1158 static final int INTENT_FILTER_VERIFIED = 18; 1159 static final int WRITE_PACKAGE_LIST = 19; 1160 static final int EPHEMERAL_RESOLUTION_PHASE_TWO = 20; 1161 1162 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1163 1164 // Delay time in millisecs 1165 static final int BROADCAST_DELAY = 10 * 1000; 1166 1167 static UserManagerService sUserManager; 1168 1169 // Stores a list of users whose package restrictions file needs to be updated 1170 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1171 1172 final private DefaultContainerConnection mDefContainerConn = 1173 new DefaultContainerConnection(); 1174 class DefaultContainerConnection implements ServiceConnection { 1175 public void onServiceConnected(ComponentName name, IBinder service) { 1176 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1177 final IMediaContainerService imcs = IMediaContainerService.Stub 1178 .asInterface(Binder.allowBlocking(service)); 1179 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1180 } 1181 1182 public void onServiceDisconnected(ComponentName name) { 1183 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1184 } 1185 } 1186 1187 // Recordkeeping of restore-after-install operations that are currently in flight 1188 // between the Package Manager and the Backup Manager 1189 static class PostInstallData { 1190 public InstallArgs args; 1191 public PackageInstalledInfo res; 1192 1193 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1194 args = _a; 1195 res = _r; 1196 } 1197 } 1198 1199 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1200 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1201 1202 // XML tags for backup/restore of various bits of state 1203 private static final String TAG_PREFERRED_BACKUP = "pa"; 1204 private static final String TAG_DEFAULT_APPS = "da"; 1205 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1206 1207 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1208 private static final String TAG_ALL_GRANTS = "rt-grants"; 1209 private static final String TAG_GRANT = "grant"; 1210 private static final String ATTR_PACKAGE_NAME = "pkg"; 1211 1212 private static final String TAG_PERMISSION = "perm"; 1213 private static final String ATTR_PERMISSION_NAME = "name"; 1214 private static final String ATTR_IS_GRANTED = "g"; 1215 private static final String ATTR_USER_SET = "set"; 1216 private static final String ATTR_USER_FIXED = "fixed"; 1217 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1218 1219 // System/policy permission grants are not backed up 1220 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1221 FLAG_PERMISSION_POLICY_FIXED 1222 | FLAG_PERMISSION_SYSTEM_FIXED 1223 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1224 1225 // And we back up these user-adjusted states 1226 private static final int USER_RUNTIME_GRANT_MASK = 1227 FLAG_PERMISSION_USER_SET 1228 | FLAG_PERMISSION_USER_FIXED 1229 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1230 1231 final @Nullable String mRequiredVerifierPackage; 1232 final @NonNull String mRequiredInstallerPackage; 1233 final @NonNull String mRequiredUninstallerPackage; 1234 final @Nullable String mSetupWizardPackage; 1235 final @Nullable String mStorageManagerPackage; 1236 final @NonNull String mServicesSystemSharedLibraryPackageName; 1237 final @NonNull String mSharedSystemSharedLibraryPackageName; 1238 1239 final boolean mPermissionReviewRequired; 1240 1241 private final PackageUsage mPackageUsage = new PackageUsage(); 1242 private final CompilerStats mCompilerStats = new CompilerStats(); 1243 1244 class PackageHandler extends Handler { 1245 private boolean mBound = false; 1246 final ArrayList<HandlerParams> mPendingInstalls = 1247 new ArrayList<HandlerParams>(); 1248 1249 private boolean connectToService() { 1250 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1251 " DefaultContainerService"); 1252 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1253 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1254 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1255 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1256 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1257 mBound = true; 1258 return true; 1259 } 1260 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1261 return false; 1262 } 1263 1264 private void disconnectService() { 1265 mContainerService = null; 1266 mBound = false; 1267 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1268 mContext.unbindService(mDefContainerConn); 1269 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1270 } 1271 1272 PackageHandler(Looper looper) { 1273 super(looper); 1274 } 1275 1276 public void handleMessage(Message msg) { 1277 try { 1278 doHandleMessage(msg); 1279 } finally { 1280 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1281 } 1282 } 1283 1284 void doHandleMessage(Message msg) { 1285 switch (msg.what) { 1286 case INIT_COPY: { 1287 HandlerParams params = (HandlerParams) msg.obj; 1288 int idx = mPendingInstalls.size(); 1289 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1290 // If a bind was already initiated we dont really 1291 // need to do anything. The pending install 1292 // will be processed later on. 1293 if (!mBound) { 1294 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1295 System.identityHashCode(mHandler)); 1296 // If this is the only one pending we might 1297 // have to bind to the service again. 1298 if (!connectToService()) { 1299 Slog.e(TAG, "Failed to bind to media container service"); 1300 params.serviceError(); 1301 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1302 System.identityHashCode(mHandler)); 1303 if (params.traceMethod != null) { 1304 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1305 params.traceCookie); 1306 } 1307 return; 1308 } else { 1309 // Once we bind to the service, the first 1310 // pending request will be processed. 1311 mPendingInstalls.add(idx, params); 1312 } 1313 } else { 1314 mPendingInstalls.add(idx, params); 1315 // Already bound to the service. Just make 1316 // sure we trigger off processing the first request. 1317 if (idx == 0) { 1318 mHandler.sendEmptyMessage(MCS_BOUND); 1319 } 1320 } 1321 break; 1322 } 1323 case MCS_BOUND: { 1324 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1325 if (msg.obj != null) { 1326 mContainerService = (IMediaContainerService) msg.obj; 1327 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1328 System.identityHashCode(mHandler)); 1329 } 1330 if (mContainerService == null) { 1331 if (!mBound) { 1332 // Something seriously wrong since we are not bound and we are not 1333 // waiting for connection. Bail out. 1334 Slog.e(TAG, "Cannot bind to media container service"); 1335 for (HandlerParams params : mPendingInstalls) { 1336 // Indicate service bind error 1337 params.serviceError(); 1338 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1339 System.identityHashCode(params)); 1340 if (params.traceMethod != null) { 1341 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1342 params.traceMethod, params.traceCookie); 1343 } 1344 return; 1345 } 1346 mPendingInstalls.clear(); 1347 } else { 1348 Slog.w(TAG, "Waiting to connect to media container service"); 1349 } 1350 } else if (mPendingInstalls.size() > 0) { 1351 HandlerParams params = mPendingInstalls.get(0); 1352 if (params != null) { 1353 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1354 System.identityHashCode(params)); 1355 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1356 if (params.startCopy()) { 1357 // We are done... look for more work or to 1358 // go idle. 1359 if (DEBUG_SD_INSTALL) Log.i(TAG, 1360 "Checking for more work or unbind..."); 1361 // Delete pending install 1362 if (mPendingInstalls.size() > 0) { 1363 mPendingInstalls.remove(0); 1364 } 1365 if (mPendingInstalls.size() == 0) { 1366 if (mBound) { 1367 if (DEBUG_SD_INSTALL) Log.i(TAG, 1368 "Posting delayed MCS_UNBIND"); 1369 removeMessages(MCS_UNBIND); 1370 Message ubmsg = obtainMessage(MCS_UNBIND); 1371 // Unbind after a little delay, to avoid 1372 // continual thrashing. 1373 sendMessageDelayed(ubmsg, 10000); 1374 } 1375 } else { 1376 // There are more pending requests in queue. 1377 // Just post MCS_BOUND message to trigger processing 1378 // of next pending install. 1379 if (DEBUG_SD_INSTALL) Log.i(TAG, 1380 "Posting MCS_BOUND for next work"); 1381 mHandler.sendEmptyMessage(MCS_BOUND); 1382 } 1383 } 1384 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1385 } 1386 } else { 1387 // Should never happen ideally. 1388 Slog.w(TAG, "Empty queue"); 1389 } 1390 break; 1391 } 1392 case MCS_RECONNECT: { 1393 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1394 if (mPendingInstalls.size() > 0) { 1395 if (mBound) { 1396 disconnectService(); 1397 } 1398 if (!connectToService()) { 1399 Slog.e(TAG, "Failed to bind to media container service"); 1400 for (HandlerParams params : mPendingInstalls) { 1401 // Indicate service bind error 1402 params.serviceError(); 1403 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1404 System.identityHashCode(params)); 1405 } 1406 mPendingInstalls.clear(); 1407 } 1408 } 1409 break; 1410 } 1411 case MCS_UNBIND: { 1412 // If there is no actual work left, then time to unbind. 1413 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1414 1415 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1416 if (mBound) { 1417 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1418 1419 disconnectService(); 1420 } 1421 } else if (mPendingInstalls.size() > 0) { 1422 // There are more pending requests in queue. 1423 // Just post MCS_BOUND message to trigger processing 1424 // of next pending install. 1425 mHandler.sendEmptyMessage(MCS_BOUND); 1426 } 1427 1428 break; 1429 } 1430 case MCS_GIVE_UP: { 1431 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1432 HandlerParams params = mPendingInstalls.remove(0); 1433 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1434 System.identityHashCode(params)); 1435 break; 1436 } 1437 case SEND_PENDING_BROADCAST: { 1438 String packages[]; 1439 ArrayList<String> components[]; 1440 int size = 0; 1441 int uids[]; 1442 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1443 synchronized (mPackages) { 1444 if (mPendingBroadcasts == null) { 1445 return; 1446 } 1447 size = mPendingBroadcasts.size(); 1448 if (size <= 0) { 1449 // Nothing to be done. Just return 1450 return; 1451 } 1452 packages = new String[size]; 1453 components = new ArrayList[size]; 1454 uids = new int[size]; 1455 int i = 0; // filling out the above arrays 1456 1457 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1458 int packageUserId = mPendingBroadcasts.userIdAt(n); 1459 Iterator<Map.Entry<String, ArrayList<String>>> it 1460 = mPendingBroadcasts.packagesForUserId(packageUserId) 1461 .entrySet().iterator(); 1462 while (it.hasNext() && i < size) { 1463 Map.Entry<String, ArrayList<String>> ent = it.next(); 1464 packages[i] = ent.getKey(); 1465 components[i] = ent.getValue(); 1466 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1467 uids[i] = (ps != null) 1468 ? UserHandle.getUid(packageUserId, ps.appId) 1469 : -1; 1470 i++; 1471 } 1472 } 1473 size = i; 1474 mPendingBroadcasts.clear(); 1475 } 1476 // Send broadcasts 1477 for (int i = 0; i < size; i++) { 1478 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1479 } 1480 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1481 break; 1482 } 1483 case START_CLEANING_PACKAGE: { 1484 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1485 final String packageName = (String)msg.obj; 1486 final int userId = msg.arg1; 1487 final boolean andCode = msg.arg2 != 0; 1488 synchronized (mPackages) { 1489 if (userId == UserHandle.USER_ALL) { 1490 int[] users = sUserManager.getUserIds(); 1491 for (int user : users) { 1492 mSettings.addPackageToCleanLPw( 1493 new PackageCleanItem(user, packageName, andCode)); 1494 } 1495 } else { 1496 mSettings.addPackageToCleanLPw( 1497 new PackageCleanItem(userId, packageName, andCode)); 1498 } 1499 } 1500 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1501 startCleaningPackages(); 1502 } break; 1503 case POST_INSTALL: { 1504 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1505 1506 PostInstallData data = mRunningInstalls.get(msg.arg1); 1507 final boolean didRestore = (msg.arg2 != 0); 1508 mRunningInstalls.delete(msg.arg1); 1509 1510 if (data != null) { 1511 InstallArgs args = data.args; 1512 PackageInstalledInfo parentRes = data.res; 1513 1514 final boolean grantPermissions = (args.installFlags 1515 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1516 final boolean killApp = (args.installFlags 1517 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1518 final String[] grantedPermissions = args.installGrantPermissions; 1519 1520 // Handle the parent package 1521 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1522 grantedPermissions, didRestore, args.installerPackageName, 1523 args.observer); 1524 1525 // Handle the child packages 1526 final int childCount = (parentRes.addedChildPackages != null) 1527 ? parentRes.addedChildPackages.size() : 0; 1528 for (int i = 0; i < childCount; i++) { 1529 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1530 handlePackagePostInstall(childRes, grantPermissions, killApp, 1531 grantedPermissions, false, args.installerPackageName, 1532 args.observer); 1533 } 1534 1535 // Log tracing if needed 1536 if (args.traceMethod != null) { 1537 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1538 args.traceCookie); 1539 } 1540 } else { 1541 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1542 } 1543 1544 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1545 } break; 1546 case UPDATED_MEDIA_STATUS: { 1547 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1548 boolean reportStatus = msg.arg1 == 1; 1549 boolean doGc = msg.arg2 == 1; 1550 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1551 if (doGc) { 1552 // Force a gc to clear up stale containers. 1553 Runtime.getRuntime().gc(); 1554 } 1555 if (msg.obj != null) { 1556 @SuppressWarnings("unchecked") 1557 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1558 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1559 // Unload containers 1560 unloadAllContainers(args); 1561 } 1562 if (reportStatus) { 1563 try { 1564 if (DEBUG_SD_INSTALL) Log.i(TAG, 1565 "Invoking StorageManagerService call back"); 1566 PackageHelper.getStorageManager().finishMediaUpdate(); 1567 } catch (RemoteException e) { 1568 Log.e(TAG, "StorageManagerService not running?"); 1569 } 1570 } 1571 } break; 1572 case WRITE_SETTINGS: { 1573 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1574 synchronized (mPackages) { 1575 removeMessages(WRITE_SETTINGS); 1576 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1577 mSettings.writeLPr(); 1578 mDirtyUsers.clear(); 1579 } 1580 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1581 } break; 1582 case WRITE_PACKAGE_RESTRICTIONS: { 1583 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1584 synchronized (mPackages) { 1585 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1586 for (int userId : mDirtyUsers) { 1587 mSettings.writePackageRestrictionsLPr(userId); 1588 } 1589 mDirtyUsers.clear(); 1590 } 1591 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1592 } break; 1593 case WRITE_PACKAGE_LIST: { 1594 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1595 synchronized (mPackages) { 1596 removeMessages(WRITE_PACKAGE_LIST); 1597 mSettings.writePackageListLPr(msg.arg1); 1598 } 1599 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1600 } break; 1601 case CHECK_PENDING_VERIFICATION: { 1602 final int verificationId = msg.arg1; 1603 final PackageVerificationState state = mPendingVerification.get(verificationId); 1604 1605 if ((state != null) && !state.timeoutExtended()) { 1606 final InstallArgs args = state.getInstallArgs(); 1607 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1608 1609 Slog.i(TAG, "Verification timed out for " + originUri); 1610 mPendingVerification.remove(verificationId); 1611 1612 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1613 1614 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1615 Slog.i(TAG, "Continuing with installation of " + originUri); 1616 state.setVerifierResponse(Binder.getCallingUid(), 1617 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1618 broadcastPackageVerified(verificationId, originUri, 1619 PackageManager.VERIFICATION_ALLOW, 1620 state.getInstallArgs().getUser()); 1621 try { 1622 ret = args.copyApk(mContainerService, true); 1623 } catch (RemoteException e) { 1624 Slog.e(TAG, "Could not contact the ContainerService"); 1625 } 1626 } else { 1627 broadcastPackageVerified(verificationId, originUri, 1628 PackageManager.VERIFICATION_REJECT, 1629 state.getInstallArgs().getUser()); 1630 } 1631 1632 Trace.asyncTraceEnd( 1633 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1634 1635 processPendingInstall(args, ret); 1636 mHandler.sendEmptyMessage(MCS_UNBIND); 1637 } 1638 break; 1639 } 1640 case PACKAGE_VERIFIED: { 1641 final int verificationId = msg.arg1; 1642 1643 final PackageVerificationState state = mPendingVerification.get(verificationId); 1644 if (state == null) { 1645 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1646 break; 1647 } 1648 1649 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1650 1651 state.setVerifierResponse(response.callerUid, response.code); 1652 1653 if (state.isVerificationComplete()) { 1654 mPendingVerification.remove(verificationId); 1655 1656 final InstallArgs args = state.getInstallArgs(); 1657 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1658 1659 int ret; 1660 if (state.isInstallAllowed()) { 1661 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1662 broadcastPackageVerified(verificationId, originUri, 1663 response.code, state.getInstallArgs().getUser()); 1664 try { 1665 ret = args.copyApk(mContainerService, true); 1666 } catch (RemoteException e) { 1667 Slog.e(TAG, "Could not contact the ContainerService"); 1668 } 1669 } else { 1670 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1671 } 1672 1673 Trace.asyncTraceEnd( 1674 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1675 1676 processPendingInstall(args, ret); 1677 mHandler.sendEmptyMessage(MCS_UNBIND); 1678 } 1679 1680 break; 1681 } 1682 case START_INTENT_FILTER_VERIFICATIONS: { 1683 IFVerificationParams params = (IFVerificationParams) msg.obj; 1684 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1685 params.replacing, params.pkg); 1686 break; 1687 } 1688 case INTENT_FILTER_VERIFIED: { 1689 final int verificationId = msg.arg1; 1690 1691 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1692 verificationId); 1693 if (state == null) { 1694 Slog.w(TAG, "Invalid IntentFilter verification token " 1695 + verificationId + " received"); 1696 break; 1697 } 1698 1699 final int userId = state.getUserId(); 1700 1701 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1702 "Processing IntentFilter verification with token:" 1703 + verificationId + " and userId:" + userId); 1704 1705 final IntentFilterVerificationResponse response = 1706 (IntentFilterVerificationResponse) msg.obj; 1707 1708 state.setVerifierResponse(response.callerUid, response.code); 1709 1710 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1711 "IntentFilter verification with token:" + verificationId 1712 + " and userId:" + userId 1713 + " is settings verifier response with response code:" 1714 + response.code); 1715 1716 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1717 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1718 + response.getFailedDomainsString()); 1719 } 1720 1721 if (state.isVerificationComplete()) { 1722 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1723 } else { 1724 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1725 "IntentFilter verification with token:" + verificationId 1726 + " was not said to be complete"); 1727 } 1728 1729 break; 1730 } 1731 case EPHEMERAL_RESOLUTION_PHASE_TWO: { 1732 EphemeralResolver.doEphemeralResolutionPhaseTwo(mContext, 1733 mEphemeralResolverConnection, 1734 (EphemeralRequest) msg.obj, 1735 mEphemeralInstallerActivity, 1736 mHandler); 1737 } 1738 } 1739 } 1740 } 1741 1742 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1743 boolean killApp, String[] grantedPermissions, 1744 boolean launchedForRestore, String installerPackage, 1745 IPackageInstallObserver2 installObserver) { 1746 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1747 // Send the removed broadcasts 1748 if (res.removedInfo != null) { 1749 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1750 } 1751 1752 // Now that we successfully installed the package, grant runtime 1753 // permissions if requested before broadcasting the install. Also 1754 // for legacy apps in permission review mode we clear the permission 1755 // review flag which is used to emulate runtime permissions for 1756 // legacy apps. 1757 if (grantPermissions) { 1758 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1759 } 1760 1761 final boolean update = res.removedInfo != null 1762 && res.removedInfo.removedPackage != null; 1763 1764 // If this is the first time we have child packages for a disabled privileged 1765 // app that had no children, we grant requested runtime permissions to the new 1766 // children if the parent on the system image had them already granted. 1767 if (res.pkg.parentPackage != null) { 1768 synchronized (mPackages) { 1769 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1770 } 1771 } 1772 1773 synchronized (mPackages) { 1774 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1775 } 1776 1777 final String packageName = res.pkg.applicationInfo.packageName; 1778 1779 // Determine the set of users who are adding this package for 1780 // the first time vs. those who are seeing an update. 1781 int[] firstUsers = EMPTY_INT_ARRAY; 1782 int[] updateUsers = EMPTY_INT_ARRAY; 1783 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1784 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1785 for (int newUser : res.newUsers) { 1786 if (ps.getInstantApp(newUser)) { 1787 continue; 1788 } 1789 if (allNewUsers) { 1790 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1791 continue; 1792 } 1793 boolean isNew = true; 1794 for (int origUser : res.origUsers) { 1795 if (origUser == newUser) { 1796 isNew = false; 1797 break; 1798 } 1799 } 1800 if (isNew) { 1801 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1802 } else { 1803 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1804 } 1805 } 1806 1807 // Send installed broadcasts if the package is not a static shared lib. 1808 if (res.pkg.staticSharedLibName == null) { 1809 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1810 1811 // Send added for users that see the package for the first time 1812 // sendPackageAddedForNewUsers also deals with system apps 1813 int appId = UserHandle.getAppId(res.uid); 1814 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1815 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1816 1817 // Send added for users that don't see the package for the first time 1818 Bundle extras = new Bundle(1); 1819 extras.putInt(Intent.EXTRA_UID, res.uid); 1820 if (update) { 1821 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1822 } 1823 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1824 extras, 0 /*flags*/, null /*targetPackage*/, 1825 null /*finishedReceiver*/, updateUsers); 1826 1827 // Send replaced for users that don't see the package for the first time 1828 if (update) { 1829 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1830 packageName, extras, 0 /*flags*/, 1831 null /*targetPackage*/, null /*finishedReceiver*/, 1832 updateUsers); 1833 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1834 null /*package*/, null /*extras*/, 0 /*flags*/, 1835 packageName /*targetPackage*/, 1836 null /*finishedReceiver*/, updateUsers); 1837 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1838 // First-install and we did a restore, so we're responsible for the 1839 // first-launch broadcast. 1840 if (DEBUG_BACKUP) { 1841 Slog.i(TAG, "Post-restore of " + packageName 1842 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1843 } 1844 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1845 } 1846 1847 // Send broadcast package appeared if forward locked/external for all users 1848 // treat asec-hosted packages like removable media on upgrade 1849 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1850 if (DEBUG_INSTALL) { 1851 Slog.i(TAG, "upgrading pkg " + res.pkg 1852 + " is ASEC-hosted -> AVAILABLE"); 1853 } 1854 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1855 ArrayList<String> pkgList = new ArrayList<>(1); 1856 pkgList.add(packageName); 1857 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1858 } 1859 } 1860 1861 // Work that needs to happen on first install within each user 1862 if (firstUsers != null && firstUsers.length > 0) { 1863 synchronized (mPackages) { 1864 for (int userId : firstUsers) { 1865 // If this app is a browser and it's newly-installed for some 1866 // users, clear any default-browser state in those users. The 1867 // app's nature doesn't depend on the user, so we can just check 1868 // its browser nature in any user and generalize. 1869 if (packageIsBrowser(packageName, userId)) { 1870 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1871 } 1872 1873 // We may also need to apply pending (restored) runtime 1874 // permission grants within these users. 1875 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1876 } 1877 } 1878 } 1879 1880 // Log current value of "unknown sources" setting 1881 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1882 getUnknownSourcesSettings()); 1883 1884 // Force a gc to clear up things 1885 Runtime.getRuntime().gc(); 1886 1887 // Remove the replaced package's older resources safely now 1888 // We delete after a gc for applications on sdcard. 1889 if (res.removedInfo != null && res.removedInfo.args != null) { 1890 synchronized (mInstallLock) { 1891 res.removedInfo.args.doPostDeleteLI(true); 1892 } 1893 } 1894 1895 // Notify DexManager that the package was installed for new users. 1896 // The updated users should already be indexed and the package code paths 1897 // should not change. 1898 // Don't notify the manager for ephemeral apps as they are not expected to 1899 // survive long enough to benefit of background optimizations. 1900 for (int userId : firstUsers) { 1901 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1902 mDexManager.notifyPackageInstalled(info, userId); 1903 } 1904 } 1905 1906 // If someone is watching installs - notify them 1907 if (installObserver != null) { 1908 try { 1909 Bundle extras = extrasForInstallResult(res); 1910 installObserver.onPackageInstalled(res.name, res.returnCode, 1911 res.returnMsg, extras); 1912 } catch (RemoteException e) { 1913 Slog.i(TAG, "Observer no longer exists."); 1914 } 1915 } 1916 } 1917 1918 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1919 PackageParser.Package pkg) { 1920 if (pkg.parentPackage == null) { 1921 return; 1922 } 1923 if (pkg.requestedPermissions == null) { 1924 return; 1925 } 1926 final PackageSetting disabledSysParentPs = mSettings 1927 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1928 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1929 || !disabledSysParentPs.isPrivileged() 1930 || (disabledSysParentPs.childPackageNames != null 1931 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1932 return; 1933 } 1934 final int[] allUserIds = sUserManager.getUserIds(); 1935 final int permCount = pkg.requestedPermissions.size(); 1936 for (int i = 0; i < permCount; i++) { 1937 String permission = pkg.requestedPermissions.get(i); 1938 BasePermission bp = mSettings.mPermissions.get(permission); 1939 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1940 continue; 1941 } 1942 for (int userId : allUserIds) { 1943 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1944 permission, userId)) { 1945 grantRuntimePermission(pkg.packageName, permission, userId); 1946 } 1947 } 1948 } 1949 } 1950 1951 private StorageEventListener mStorageListener = new StorageEventListener() { 1952 @Override 1953 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1954 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1955 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1956 final String volumeUuid = vol.getFsUuid(); 1957 1958 // Clean up any users or apps that were removed or recreated 1959 // while this volume was missing 1960 sUserManager.reconcileUsers(volumeUuid); 1961 reconcileApps(volumeUuid); 1962 1963 // Clean up any install sessions that expired or were 1964 // cancelled while this volume was missing 1965 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1966 1967 loadPrivatePackages(vol); 1968 1969 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1970 unloadPrivatePackages(vol); 1971 } 1972 } 1973 1974 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1975 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1976 updateExternalMediaStatus(true, false); 1977 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1978 updateExternalMediaStatus(false, false); 1979 } 1980 } 1981 } 1982 1983 @Override 1984 public void onVolumeForgotten(String fsUuid) { 1985 if (TextUtils.isEmpty(fsUuid)) { 1986 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1987 return; 1988 } 1989 1990 // Remove any apps installed on the forgotten volume 1991 synchronized (mPackages) { 1992 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1993 for (PackageSetting ps : packages) { 1994 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1995 deletePackageVersioned(new VersionedPackage(ps.name, 1996 PackageManager.VERSION_CODE_HIGHEST), 1997 new LegacyPackageDeleteObserver(null).getBinder(), 1998 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1999 // Try very hard to release any references to this package 2000 // so we don't risk the system server being killed due to 2001 // open FDs 2002 AttributeCache.instance().removePackage(ps.name); 2003 } 2004 2005 mSettings.onVolumeForgotten(fsUuid); 2006 mSettings.writeLPr(); 2007 } 2008 } 2009 }; 2010 2011 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2012 String[] grantedPermissions) { 2013 for (int userId : userIds) { 2014 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2015 } 2016 } 2017 2018 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2019 String[] grantedPermissions) { 2020 SettingBase sb = (SettingBase) pkg.mExtras; 2021 if (sb == null) { 2022 return; 2023 } 2024 2025 PermissionsState permissionsState = sb.getPermissionsState(); 2026 2027 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2028 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2029 2030 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2031 >= Build.VERSION_CODES.M; 2032 2033 for (String permission : pkg.requestedPermissions) { 2034 final BasePermission bp; 2035 synchronized (mPackages) { 2036 bp = mSettings.mPermissions.get(permission); 2037 } 2038 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2039 && (grantedPermissions == null 2040 || ArrayUtils.contains(grantedPermissions, permission))) { 2041 final int flags = permissionsState.getPermissionFlags(permission, userId); 2042 if (supportsRuntimePermissions) { 2043 // Installer cannot change immutable permissions. 2044 if ((flags & immutableFlags) == 0) { 2045 grantRuntimePermission(pkg.packageName, permission, userId); 2046 } 2047 } else if (mPermissionReviewRequired) { 2048 // In permission review mode we clear the review flag when we 2049 // are asked to install the app with all permissions granted. 2050 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2051 updatePermissionFlags(permission, pkg.packageName, 2052 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2053 } 2054 } 2055 } 2056 } 2057 } 2058 2059 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2060 Bundle extras = null; 2061 switch (res.returnCode) { 2062 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2063 extras = new Bundle(); 2064 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2065 res.origPermission); 2066 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2067 res.origPackage); 2068 break; 2069 } 2070 case PackageManager.INSTALL_SUCCEEDED: { 2071 extras = new Bundle(); 2072 extras.putBoolean(Intent.EXTRA_REPLACING, 2073 res.removedInfo != null && res.removedInfo.removedPackage != null); 2074 break; 2075 } 2076 } 2077 return extras; 2078 } 2079 2080 void scheduleWriteSettingsLocked() { 2081 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2082 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2083 } 2084 } 2085 2086 void scheduleWritePackageListLocked(int userId) { 2087 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2088 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2089 msg.arg1 = userId; 2090 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2091 } 2092 } 2093 2094 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2095 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2096 scheduleWritePackageRestrictionsLocked(userId); 2097 } 2098 2099 void scheduleWritePackageRestrictionsLocked(int userId) { 2100 final int[] userIds = (userId == UserHandle.USER_ALL) 2101 ? sUserManager.getUserIds() : new int[]{userId}; 2102 for (int nextUserId : userIds) { 2103 if (!sUserManager.exists(nextUserId)) return; 2104 mDirtyUsers.add(nextUserId); 2105 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2106 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2107 } 2108 } 2109 } 2110 2111 public static PackageManagerService main(Context context, Installer installer, 2112 boolean factoryTest, boolean onlyCore) { 2113 // Self-check for initial settings. 2114 PackageManagerServiceCompilerMapping.checkProperties(); 2115 2116 PackageManagerService m = new PackageManagerService(context, installer, 2117 factoryTest, onlyCore); 2118 m.enableSystemUserPackages(); 2119 ServiceManager.addService("package", m); 2120 return m; 2121 } 2122 2123 private void enableSystemUserPackages() { 2124 if (!UserManager.isSplitSystemUser()) { 2125 return; 2126 } 2127 // For system user, enable apps based on the following conditions: 2128 // - app is whitelisted or belong to one of these groups: 2129 // -- system app which has no launcher icons 2130 // -- system app which has INTERACT_ACROSS_USERS permission 2131 // -- system IME app 2132 // - app is not in the blacklist 2133 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2134 Set<String> enableApps = new ArraySet<>(); 2135 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2136 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2137 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2138 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2139 enableApps.addAll(wlApps); 2140 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2141 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2142 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2143 enableApps.removeAll(blApps); 2144 Log.i(TAG, "Applications installed for system user: " + enableApps); 2145 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2146 UserHandle.SYSTEM); 2147 final int allAppsSize = allAps.size(); 2148 synchronized (mPackages) { 2149 for (int i = 0; i < allAppsSize; i++) { 2150 String pName = allAps.get(i); 2151 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2152 // Should not happen, but we shouldn't be failing if it does 2153 if (pkgSetting == null) { 2154 continue; 2155 } 2156 boolean install = enableApps.contains(pName); 2157 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2158 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2159 + " for system user"); 2160 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2161 } 2162 } 2163 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2164 } 2165 } 2166 2167 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2168 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2169 Context.DISPLAY_SERVICE); 2170 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2171 } 2172 2173 /** 2174 * Requests that files preopted on a secondary system partition be copied to the data partition 2175 * if possible. Note that the actual copying of the files is accomplished by init for security 2176 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2177 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2178 */ 2179 private static void requestCopyPreoptedFiles() { 2180 final int WAIT_TIME_MS = 100; 2181 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2182 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2183 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2184 // We will wait for up to 100 seconds. 2185 final long timeStart = SystemClock.uptimeMillis(); 2186 final long timeEnd = timeStart + 100 * 1000; 2187 long timeNow = timeStart; 2188 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2189 try { 2190 Thread.sleep(WAIT_TIME_MS); 2191 } catch (InterruptedException e) { 2192 // Do nothing 2193 } 2194 timeNow = SystemClock.uptimeMillis(); 2195 if (timeNow > timeEnd) { 2196 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2197 Slog.wtf(TAG, "cppreopt did not finish!"); 2198 break; 2199 } 2200 } 2201 2202 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2203 } 2204 } 2205 2206 public PackageManagerService(Context context, Installer installer, 2207 boolean factoryTest, boolean onlyCore) { 2208 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2209 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2210 SystemClock.uptimeMillis()); 2211 2212 if (mSdkVersion <= 0) { 2213 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2214 } 2215 2216 mContext = context; 2217 2218 mPermissionReviewRequired = context.getResources().getBoolean( 2219 R.bool.config_permissionReviewRequired); 2220 2221 mFactoryTest = factoryTest; 2222 mOnlyCore = onlyCore; 2223 mMetrics = new DisplayMetrics(); 2224 mSettings = new Settings(mPackages); 2225 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2226 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2227 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2228 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2229 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2230 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2231 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2232 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2233 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2234 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2235 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2236 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2237 2238 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2239 if (separateProcesses != null && separateProcesses.length() > 0) { 2240 if ("*".equals(separateProcesses)) { 2241 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2242 mSeparateProcesses = null; 2243 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2244 } else { 2245 mDefParseFlags = 0; 2246 mSeparateProcesses = separateProcesses.split(","); 2247 Slog.w(TAG, "Running with debug.separate_processes: " 2248 + separateProcesses); 2249 } 2250 } else { 2251 mDefParseFlags = 0; 2252 mSeparateProcesses = null; 2253 } 2254 2255 mInstaller = installer; 2256 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2257 "*dexopt*"); 2258 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2259 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2260 2261 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2262 FgThread.get().getLooper()); 2263 2264 getDefaultDisplayMetrics(context, mMetrics); 2265 2266 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2267 SystemConfig systemConfig = SystemConfig.getInstance(); 2268 mGlobalGids = systemConfig.getGlobalGids(); 2269 mSystemPermissions = systemConfig.getSystemPermissions(); 2270 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2271 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2272 2273 mProtectedPackages = new ProtectedPackages(mContext); 2274 2275 synchronized (mInstallLock) { 2276 // writer 2277 synchronized (mPackages) { 2278 mHandlerThread = new ServiceThread(TAG, 2279 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2280 mHandlerThread.start(); 2281 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2282 mProcessLoggingHandler = new ProcessLoggingHandler(); 2283 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2284 2285 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2286 mInstantAppRegistry = new InstantAppRegistry(this); 2287 2288 File dataDir = Environment.getDataDirectory(); 2289 mAppInstallDir = new File(dataDir, "app"); 2290 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2291 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2292 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2293 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2294 sUserManager = new UserManagerService(context, this, 2295 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2296 2297 // Propagate permission configuration in to package manager. 2298 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2299 = systemConfig.getPermissions(); 2300 for (int i=0; i<permConfig.size(); i++) { 2301 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2302 BasePermission bp = mSettings.mPermissions.get(perm.name); 2303 if (bp == null) { 2304 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2305 mSettings.mPermissions.put(perm.name, bp); 2306 } 2307 if (perm.gids != null) { 2308 bp.setGids(perm.gids, perm.perUser); 2309 } 2310 } 2311 2312 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2313 final int builtInLibCount = libConfig.size(); 2314 for (int i = 0; i < builtInLibCount; i++) { 2315 String name = libConfig.keyAt(i); 2316 String path = libConfig.valueAt(i); 2317 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2318 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2319 } 2320 2321 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2322 2323 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2324 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2325 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2326 2327 // Clean up orphaned packages for which the code path doesn't exist 2328 // and they are an update to a system app - caused by bug/32321269 2329 final int packageSettingCount = mSettings.mPackages.size(); 2330 for (int i = packageSettingCount - 1; i >= 0; i--) { 2331 PackageSetting ps = mSettings.mPackages.valueAt(i); 2332 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2333 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2334 mSettings.mPackages.removeAt(i); 2335 mSettings.enableSystemPackageLPw(ps.name); 2336 } 2337 } 2338 2339 if (mFirstBoot) { 2340 requestCopyPreoptedFiles(); 2341 } 2342 2343 String customResolverActivity = Resources.getSystem().getString( 2344 R.string.config_customResolverActivity); 2345 if (TextUtils.isEmpty(customResolverActivity)) { 2346 customResolverActivity = null; 2347 } else { 2348 mCustomResolverComponentName = ComponentName.unflattenFromString( 2349 customResolverActivity); 2350 } 2351 2352 long startTime = SystemClock.uptimeMillis(); 2353 2354 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2355 startTime); 2356 2357 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2358 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2359 2360 if (bootClassPath == null) { 2361 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2362 } 2363 2364 if (systemServerClassPath == null) { 2365 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2366 } 2367 2368 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2369 final String[] dexCodeInstructionSets = 2370 getDexCodeInstructionSets( 2371 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2372 2373 /** 2374 * Ensure all external libraries have had dexopt run on them. 2375 */ 2376 if (mSharedLibraries.size() > 0) { 2377 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 2378 // NOTE: For now, we're compiling these system "shared libraries" 2379 // (and framework jars) into all available architectures. It's possible 2380 // to compile them only when we come across an app that uses them (there's 2381 // already logic for that in scanPackageLI) but that adds some complexity. 2382 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2383 final int libCount = mSharedLibraries.size(); 2384 for (int i = 0; i < libCount; i++) { 2385 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 2386 final int versionCount = versionedLib.size(); 2387 for (int j = 0; j < versionCount; j++) { 2388 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 2389 final String libPath = libEntry.path != null 2390 ? libEntry.path : libEntry.apk; 2391 if (libPath == null) { 2392 continue; 2393 } 2394 try { 2395 // Shared libraries do not have profiles so we perform a full 2396 // AOT compilation (if needed). 2397 int dexoptNeeded = DexFile.getDexOptNeeded( 2398 libPath, dexCodeInstructionSet, 2399 getCompilerFilterForReason(REASON_SHARED_APK), 2400 false /* newProfile */); 2401 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2402 mInstaller.dexopt(libPath, Process.SYSTEM_UID, "*", 2403 dexCodeInstructionSet, dexoptNeeded, null, 2404 DEXOPT_PUBLIC, 2405 getCompilerFilterForReason(REASON_SHARED_APK), 2406 StorageManager.UUID_PRIVATE_INTERNAL, 2407 PackageDexOptimizer.SKIP_SHARED_LIBRARY_CHECK); 2408 } 2409 } catch (FileNotFoundException e) { 2410 Slog.w(TAG, "Library not found: " + libPath); 2411 } catch (IOException | InstallerException e) { 2412 Slog.w(TAG, "Cannot dexopt " + libPath + "; is it an APK or JAR? " 2413 + e.getMessage()); 2414 } 2415 } 2416 } 2417 } 2418 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2419 } 2420 2421 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2422 2423 final VersionInfo ver = mSettings.getInternalVersion(); 2424 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2425 2426 // when upgrading from pre-M, promote system app permissions from install to runtime 2427 mPromoteSystemApps = 2428 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2429 2430 // When upgrading from pre-N, we need to handle package extraction like first boot, 2431 // as there is no profiling data available. 2432 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2433 2434 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2435 2436 // save off the names of pre-existing system packages prior to scanning; we don't 2437 // want to automatically grant runtime permissions for new system apps 2438 if (mPromoteSystemApps) { 2439 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2440 while (pkgSettingIter.hasNext()) { 2441 PackageSetting ps = pkgSettingIter.next(); 2442 if (isSystemApp(ps)) { 2443 mExistingSystemPackages.add(ps.name); 2444 } 2445 } 2446 } 2447 2448 mCacheDir = preparePackageParserCache(mIsUpgrade); 2449 2450 // Set flag to monitor and not change apk file paths when 2451 // scanning install directories. 2452 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2453 2454 if (mIsUpgrade || mFirstBoot) { 2455 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2456 } 2457 2458 // Collect vendor overlay packages. (Do this before scanning any apps.) 2459 // For security and version matching reason, only consider 2460 // overlay packages if they reside in the right directory. 2461 String overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PERSIST_PROPERTY); 2462 if (overlayThemeDir.isEmpty()) { 2463 overlayThemeDir = SystemProperties.get(VENDOR_OVERLAY_THEME_PROPERTY); 2464 } 2465 if (!overlayThemeDir.isEmpty()) { 2466 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR, overlayThemeDir), mDefParseFlags 2467 | PackageParser.PARSE_IS_SYSTEM 2468 | PackageParser.PARSE_IS_SYSTEM_DIR 2469 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2470 } 2471 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2472 | PackageParser.PARSE_IS_SYSTEM 2473 | PackageParser.PARSE_IS_SYSTEM_DIR 2474 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2475 2476 // Find base frameworks (resource packages without code). 2477 scanDirTracedLI(frameworkDir, mDefParseFlags 2478 | PackageParser.PARSE_IS_SYSTEM 2479 | PackageParser.PARSE_IS_SYSTEM_DIR 2480 | PackageParser.PARSE_IS_PRIVILEGED, 2481 scanFlags | SCAN_NO_DEX, 0); 2482 2483 // Collected privileged system packages. 2484 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2485 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2486 | PackageParser.PARSE_IS_SYSTEM 2487 | PackageParser.PARSE_IS_SYSTEM_DIR 2488 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2489 2490 // Collect ordinary system packages. 2491 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2492 scanDirTracedLI(systemAppDir, mDefParseFlags 2493 | PackageParser.PARSE_IS_SYSTEM 2494 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2495 2496 // Collect all vendor packages. 2497 File vendorAppDir = new File("/vendor/app"); 2498 try { 2499 vendorAppDir = vendorAppDir.getCanonicalFile(); 2500 } catch (IOException e) { 2501 // failed to look up canonical path, continue with original one 2502 } 2503 scanDirTracedLI(vendorAppDir, mDefParseFlags 2504 | PackageParser.PARSE_IS_SYSTEM 2505 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2506 2507 // Collect all OEM packages. 2508 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2509 scanDirTracedLI(oemAppDir, mDefParseFlags 2510 | PackageParser.PARSE_IS_SYSTEM 2511 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2512 2513 // Prune any system packages that no longer exist. 2514 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2515 if (!mOnlyCore) { 2516 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2517 while (psit.hasNext()) { 2518 PackageSetting ps = psit.next(); 2519 2520 /* 2521 * If this is not a system app, it can't be a 2522 * disable system app. 2523 */ 2524 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2525 continue; 2526 } 2527 2528 /* 2529 * If the package is scanned, it's not erased. 2530 */ 2531 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2532 if (scannedPkg != null) { 2533 /* 2534 * If the system app is both scanned and in the 2535 * disabled packages list, then it must have been 2536 * added via OTA. Remove it from the currently 2537 * scanned package so the previously user-installed 2538 * application can be scanned. 2539 */ 2540 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2541 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2542 + ps.name + "; removing system app. Last known codePath=" 2543 + ps.codePathString + ", installStatus=" + ps.installStatus 2544 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2545 + scannedPkg.mVersionCode); 2546 removePackageLI(scannedPkg, true); 2547 mExpectingBetter.put(ps.name, ps.codePath); 2548 } 2549 2550 continue; 2551 } 2552 2553 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2554 psit.remove(); 2555 logCriticalInfo(Log.WARN, "System package " + ps.name 2556 + " no longer exists; it's data will be wiped"); 2557 // Actual deletion of code and data will be handled by later 2558 // reconciliation step 2559 } else { 2560 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2561 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2562 possiblyDeletedUpdatedSystemApps.add(ps.name); 2563 } 2564 } 2565 } 2566 } 2567 2568 //look for any incomplete package installations 2569 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2570 for (int i = 0; i < deletePkgsList.size(); i++) { 2571 // Actual deletion of code and data will be handled by later 2572 // reconciliation step 2573 final String packageName = deletePkgsList.get(i).name; 2574 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2575 synchronized (mPackages) { 2576 mSettings.removePackageLPw(packageName); 2577 } 2578 } 2579 2580 //delete tmp files 2581 deleteTempPackageFiles(); 2582 2583 // Remove any shared userIDs that have no associated packages 2584 mSettings.pruneSharedUsersLPw(); 2585 2586 if (!mOnlyCore) { 2587 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2588 SystemClock.uptimeMillis()); 2589 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2590 2591 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2592 | PackageParser.PARSE_FORWARD_LOCK, 2593 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2594 2595 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2596 | PackageParser.PARSE_IS_EPHEMERAL, 2597 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2598 2599 /** 2600 * Remove disable package settings for any updated system 2601 * apps that were removed via an OTA. If they're not a 2602 * previously-updated app, remove them completely. 2603 * Otherwise, just revoke their system-level permissions. 2604 */ 2605 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2606 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2607 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2608 2609 String msg; 2610 if (deletedPkg == null) { 2611 msg = "Updated system package " + deletedAppName 2612 + " no longer exists; it's data will be wiped"; 2613 // Actual deletion of code and data will be handled by later 2614 // reconciliation step 2615 } else { 2616 msg = "Updated system app + " + deletedAppName 2617 + " no longer present; removing system privileges for " 2618 + deletedAppName; 2619 2620 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2621 2622 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2623 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2624 } 2625 logCriticalInfo(Log.WARN, msg); 2626 } 2627 2628 /** 2629 * Make sure all system apps that we expected to appear on 2630 * the userdata partition actually showed up. If they never 2631 * appeared, crawl back and revive the system version. 2632 */ 2633 for (int i = 0; i < mExpectingBetter.size(); i++) { 2634 final String packageName = mExpectingBetter.keyAt(i); 2635 if (!mPackages.containsKey(packageName)) { 2636 final File scanFile = mExpectingBetter.valueAt(i); 2637 2638 logCriticalInfo(Log.WARN, "Expected better " + packageName 2639 + " but never showed up; reverting to system"); 2640 2641 int reparseFlags = mDefParseFlags; 2642 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2643 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2644 | PackageParser.PARSE_IS_SYSTEM_DIR 2645 | PackageParser.PARSE_IS_PRIVILEGED; 2646 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2647 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2648 | PackageParser.PARSE_IS_SYSTEM_DIR; 2649 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2650 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2651 | PackageParser.PARSE_IS_SYSTEM_DIR; 2652 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2653 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2654 | PackageParser.PARSE_IS_SYSTEM_DIR; 2655 } else { 2656 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2657 continue; 2658 } 2659 2660 mSettings.enableSystemPackageLPw(packageName); 2661 2662 try { 2663 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2664 } catch (PackageManagerException e) { 2665 Slog.e(TAG, "Failed to parse original system package: " 2666 + e.getMessage()); 2667 } 2668 } 2669 } 2670 } 2671 mExpectingBetter.clear(); 2672 2673 // Resolve the storage manager. 2674 mStorageManagerPackage = getStorageManagerPackageName(); 2675 2676 // Resolve protected action filters. Only the setup wizard is allowed to 2677 // have a high priority filter for these actions. 2678 mSetupWizardPackage = getSetupWizardPackageName(); 2679 if (mProtectedFilters.size() > 0) { 2680 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2681 Slog.i(TAG, "No setup wizard;" 2682 + " All protected intents capped to priority 0"); 2683 } 2684 for (ActivityIntentInfo filter : mProtectedFilters) { 2685 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2686 if (DEBUG_FILTERS) { 2687 Slog.i(TAG, "Found setup wizard;" 2688 + " allow priority " + filter.getPriority() + ";" 2689 + " package: " + filter.activity.info.packageName 2690 + " activity: " + filter.activity.className 2691 + " priority: " + filter.getPriority()); 2692 } 2693 // skip setup wizard; allow it to keep the high priority filter 2694 continue; 2695 } 2696 Slog.w(TAG, "Protected action; cap priority to 0;" 2697 + " package: " + filter.activity.info.packageName 2698 + " activity: " + filter.activity.className 2699 + " origPrio: " + filter.getPriority()); 2700 filter.setPriority(0); 2701 } 2702 } 2703 mDeferProtectedFilters = false; 2704 mProtectedFilters.clear(); 2705 2706 // Now that we know all of the shared libraries, update all clients to have 2707 // the correct library paths. 2708 updateAllSharedLibrariesLPw(null); 2709 2710 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2711 // NOTE: We ignore potential failures here during a system scan (like 2712 // the rest of the commands above) because there's precious little we 2713 // can do about it. A settings error is reported, though. 2714 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2715 } 2716 2717 // Now that we know all the packages we are keeping, 2718 // read and update their last usage times. 2719 mPackageUsage.read(mPackages); 2720 mCompilerStats.read(); 2721 2722 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2723 SystemClock.uptimeMillis()); 2724 Slog.i(TAG, "Time to scan packages: " 2725 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2726 + " seconds"); 2727 2728 // If the platform SDK has changed since the last time we booted, 2729 // we need to re-grant app permission to catch any new ones that 2730 // appear. This is really a hack, and means that apps can in some 2731 // cases get permissions that the user didn't initially explicitly 2732 // allow... it would be nice to have some better way to handle 2733 // this situation. 2734 int updateFlags = UPDATE_PERMISSIONS_ALL; 2735 if (ver.sdkVersion != mSdkVersion) { 2736 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2737 + mSdkVersion + "; regranting permissions for internal storage"); 2738 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2739 } 2740 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2741 ver.sdkVersion = mSdkVersion; 2742 2743 // If this is the first boot or an update from pre-M, and it is a normal 2744 // boot, then we need to initialize the default preferred apps across 2745 // all defined users. 2746 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2747 for (UserInfo user : sUserManager.getUsers(true)) { 2748 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2749 applyFactoryDefaultBrowserLPw(user.id); 2750 primeDomainVerificationsLPw(user.id); 2751 } 2752 } 2753 2754 // Prepare storage for system user really early during boot, 2755 // since core system apps like SettingsProvider and SystemUI 2756 // can't wait for user to start 2757 final int storageFlags; 2758 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2759 storageFlags = StorageManager.FLAG_STORAGE_DE; 2760 } else { 2761 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2762 } 2763 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2764 storageFlags, true /* migrateAppData */); 2765 2766 // If this is first boot after an OTA, and a normal boot, then 2767 // we need to clear code cache directories. 2768 // Note that we do *not* clear the application profiles. These remain valid 2769 // across OTAs and are used to drive profile verification (post OTA) and 2770 // profile compilation (without waiting to collect a fresh set of profiles). 2771 if (mIsUpgrade && !onlyCore) { 2772 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2773 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2774 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2775 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2776 // No apps are running this early, so no need to freeze 2777 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2778 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2779 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2780 } 2781 } 2782 ver.fingerprint = Build.FINGERPRINT; 2783 } 2784 2785 checkDefaultBrowser(); 2786 2787 // clear only after permissions and other defaults have been updated 2788 mExistingSystemPackages.clear(); 2789 mPromoteSystemApps = false; 2790 2791 // All the changes are done during package scanning. 2792 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2793 2794 // can downgrade to reader 2795 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2796 mSettings.writeLPr(); 2797 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2798 2799 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2800 // early on (before the package manager declares itself as early) because other 2801 // components in the system server might ask for package contexts for these apps. 2802 // 2803 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2804 // (i.e, that the data partition is unavailable). 2805 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2806 long start = System.nanoTime(); 2807 List<PackageParser.Package> coreApps = new ArrayList<>(); 2808 for (PackageParser.Package pkg : mPackages.values()) { 2809 if (pkg.coreApp) { 2810 coreApps.add(pkg); 2811 } 2812 } 2813 2814 int[] stats = performDexOptUpgrade(coreApps, false, 2815 getCompilerFilterForReason(REASON_CORE_APP)); 2816 2817 final int elapsedTimeSeconds = 2818 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2819 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2820 2821 if (DEBUG_DEXOPT) { 2822 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2823 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2824 } 2825 2826 2827 // TODO: Should we log these stats to tron too ? 2828 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2829 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2830 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2831 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2832 } 2833 2834 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2835 SystemClock.uptimeMillis()); 2836 2837 if (!mOnlyCore) { 2838 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2839 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2840 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2841 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2842 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2843 mIntentFilterVerifierComponent); 2844 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2845 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2846 SharedLibraryInfo.VERSION_UNDEFINED); 2847 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2848 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2849 SharedLibraryInfo.VERSION_UNDEFINED); 2850 } else { 2851 mRequiredVerifierPackage = null; 2852 mRequiredInstallerPackage = null; 2853 mRequiredUninstallerPackage = null; 2854 mIntentFilterVerifierComponent = null; 2855 mIntentFilterVerifier = null; 2856 mServicesSystemSharedLibraryPackageName = null; 2857 mSharedSystemSharedLibraryPackageName = null; 2858 } 2859 2860 mInstallerService = new PackageInstallerService(context, this); 2861 2862 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2863 if (ephemeralResolverComponent != null) { 2864 if (DEBUG_EPHEMERAL) { 2865 Slog.i(TAG, "Ephemeral resolver: " + ephemeralResolverComponent); 2866 } 2867 mEphemeralResolverConnection = 2868 new EphemeralResolverConnection(mContext, ephemeralResolverComponent); 2869 } else { 2870 mEphemeralResolverConnection = null; 2871 } 2872 mEphemeralInstallerComponent = getEphemeralInstallerLPr(); 2873 if (mEphemeralInstallerComponent != null) { 2874 if (DEBUG_EPHEMERAL) { 2875 Slog.i(TAG, "Ephemeral installer: " + mEphemeralInstallerComponent); 2876 } 2877 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2878 } 2879 2880 // Read and update the usage of dex files. 2881 // Do this at the end of PM init so that all the packages have their 2882 // data directory reconciled. 2883 // At this point we know the code paths of the packages, so we can validate 2884 // the disk file and build the internal cache. 2885 // The usage file is expected to be small so loading and verifying it 2886 // should take a fairly small time compare to the other activities (e.g. package 2887 // scanning). 2888 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2889 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2890 for (int userId : currentUserIds) { 2891 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2892 } 2893 mDexManager.load(userPackages); 2894 } // synchronized (mPackages) 2895 } // synchronized (mInstallLock) 2896 2897 // Now after opening every single application zip, make sure they 2898 // are all flushed. Not really needed, but keeps things nice and 2899 // tidy. 2900 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2901 Runtime.getRuntime().gc(); 2902 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2903 2904 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2905 FallbackCategoryProvider.loadFallbacks(); 2906 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2907 2908 // The initial scanning above does many calls into installd while 2909 // holding the mPackages lock, but we're mostly interested in yelling 2910 // once we have a booted system. 2911 mInstaller.setWarnIfHeld(mPackages); 2912 2913 // Expose private service for system components to use. 2914 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2915 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2916 } 2917 2918 private static File preparePackageParserCache(boolean isUpgrade) { 2919 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2920 return null; 2921 } 2922 2923 // Disable package parsing on eng builds to allow for faster incremental development. 2924 if ("eng".equals(Build.TYPE)) { 2925 return null; 2926 } 2927 2928 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2929 Slog.i(TAG, "Disabling package parser cache due to system property."); 2930 return null; 2931 } 2932 2933 // The base directory for the package parser cache lives under /data/system/. 2934 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2935 "package_cache"); 2936 if (cacheBaseDir == null) { 2937 return null; 2938 } 2939 2940 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2941 // This also serves to "GC" unused entries when the package cache version changes (which 2942 // can only happen during upgrades). 2943 if (isUpgrade) { 2944 FileUtils.deleteContents(cacheBaseDir); 2945 } 2946 2947 2948 // Return the versioned package cache directory. This is something like 2949 // "/data/system/package_cache/1" 2950 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2951 2952 // The following is a workaround to aid development on non-numbered userdebug 2953 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2954 // the system partition is newer. 2955 // 2956 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2957 // that starts with "eng." to signify that this is an engineering build and not 2958 // destined for release. 2959 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2960 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2961 2962 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2963 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2964 // in general and should not be used for production changes. In this specific case, 2965 // we know that they will work. 2966 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2967 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2968 FileUtils.deleteContents(cacheBaseDir); 2969 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2970 } 2971 } 2972 2973 return cacheDir; 2974 } 2975 2976 @Override 2977 public boolean isFirstBoot() { 2978 return mFirstBoot; 2979 } 2980 2981 @Override 2982 public boolean isOnlyCoreApps() { 2983 return mOnlyCore; 2984 } 2985 2986 @Override 2987 public boolean isUpgrade() { 2988 return mIsUpgrade; 2989 } 2990 2991 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2992 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2993 2994 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2995 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2996 UserHandle.USER_SYSTEM); 2997 if (matches.size() == 1) { 2998 return matches.get(0).getComponentInfo().packageName; 2999 } else if (matches.size() == 0) { 3000 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3001 return null; 3002 } 3003 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3004 } 3005 3006 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3007 synchronized (mPackages) { 3008 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3009 if (libraryEntry == null) { 3010 throw new IllegalStateException("Missing required shared library:" + name); 3011 } 3012 return libraryEntry.apk; 3013 } 3014 } 3015 3016 private @NonNull String getRequiredInstallerLPr() { 3017 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3018 intent.addCategory(Intent.CATEGORY_DEFAULT); 3019 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3020 3021 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3022 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3023 UserHandle.USER_SYSTEM); 3024 if (matches.size() == 1) { 3025 ResolveInfo resolveInfo = matches.get(0); 3026 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3027 throw new RuntimeException("The installer must be a privileged app"); 3028 } 3029 return matches.get(0).getComponentInfo().packageName; 3030 } else { 3031 throw new RuntimeException("There must be exactly one installer; found " + matches); 3032 } 3033 } 3034 3035 private @NonNull String getRequiredUninstallerLPr() { 3036 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3037 intent.addCategory(Intent.CATEGORY_DEFAULT); 3038 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3039 3040 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3041 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3042 UserHandle.USER_SYSTEM); 3043 if (resolveInfo == null || 3044 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3045 throw new RuntimeException("There must be exactly one uninstaller; found " 3046 + resolveInfo); 3047 } 3048 return resolveInfo.getComponentInfo().packageName; 3049 } 3050 3051 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3052 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3053 3054 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3055 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3056 UserHandle.USER_SYSTEM); 3057 ResolveInfo best = null; 3058 final int N = matches.size(); 3059 for (int i = 0; i < N; i++) { 3060 final ResolveInfo cur = matches.get(i); 3061 final String packageName = cur.getComponentInfo().packageName; 3062 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3063 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3064 continue; 3065 } 3066 3067 if (best == null || cur.priority > best.priority) { 3068 best = cur; 3069 } 3070 } 3071 3072 if (best != null) { 3073 return best.getComponentInfo().getComponentName(); 3074 } else { 3075 throw new RuntimeException("There must be at least one intent filter verifier"); 3076 } 3077 } 3078 3079 private @Nullable ComponentName getEphemeralResolverLPr() { 3080 final String[] packageArray = 3081 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3082 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3083 if (DEBUG_EPHEMERAL) { 3084 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3085 } 3086 return null; 3087 } 3088 3089 final int resolveFlags = 3090 MATCH_DIRECT_BOOT_AWARE 3091 | MATCH_DIRECT_BOOT_UNAWARE 3092 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3093 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 3094 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3095 resolveFlags, UserHandle.USER_SYSTEM); 3096 3097 final int N = resolvers.size(); 3098 if (N == 0) { 3099 if (DEBUG_EPHEMERAL) { 3100 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3101 } 3102 return null; 3103 } 3104 3105 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3106 for (int i = 0; i < N; i++) { 3107 final ResolveInfo info = resolvers.get(i); 3108 3109 if (info.serviceInfo == null) { 3110 continue; 3111 } 3112 3113 final String packageName = info.serviceInfo.packageName; 3114 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3115 if (DEBUG_EPHEMERAL) { 3116 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3117 + " pkg: " + packageName + ", info:" + info); 3118 } 3119 continue; 3120 } 3121 3122 if (DEBUG_EPHEMERAL) { 3123 Slog.v(TAG, "Ephemeral resolver found;" 3124 + " pkg: " + packageName + ", info:" + info); 3125 } 3126 return new ComponentName(packageName, info.serviceInfo.name); 3127 } 3128 if (DEBUG_EPHEMERAL) { 3129 Slog.v(TAG, "Ephemeral resolver NOT found"); 3130 } 3131 return null; 3132 } 3133 3134 private @Nullable ComponentName getEphemeralInstallerLPr() { 3135 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3136 intent.addCategory(Intent.CATEGORY_DEFAULT); 3137 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3138 3139 final int resolveFlags = 3140 MATCH_DIRECT_BOOT_AWARE 3141 | MATCH_DIRECT_BOOT_UNAWARE 3142 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3143 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3144 resolveFlags, UserHandle.USER_SYSTEM); 3145 Iterator<ResolveInfo> iter = matches.iterator(); 3146 while (iter.hasNext()) { 3147 final ResolveInfo rInfo = iter.next(); 3148 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3149 if (ps != null) { 3150 final PermissionsState permissionsState = ps.getPermissionsState(); 3151 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3152 continue; 3153 } 3154 } 3155 iter.remove(); 3156 } 3157 if (matches.size() == 0) { 3158 return null; 3159 } else if (matches.size() == 1) { 3160 return matches.get(0).getComponentInfo().getComponentName(); 3161 } else { 3162 throw new RuntimeException( 3163 "There must be at most one ephemeral installer; found " + matches); 3164 } 3165 } 3166 3167 private void primeDomainVerificationsLPw(int userId) { 3168 if (DEBUG_DOMAIN_VERIFICATION) { 3169 Slog.d(TAG, "Priming domain verifications in user " + userId); 3170 } 3171 3172 SystemConfig systemConfig = SystemConfig.getInstance(); 3173 ArraySet<String> packages = systemConfig.getLinkedApps(); 3174 3175 for (String packageName : packages) { 3176 PackageParser.Package pkg = mPackages.get(packageName); 3177 if (pkg != null) { 3178 if (!pkg.isSystemApp()) { 3179 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3180 continue; 3181 } 3182 3183 ArraySet<String> domains = null; 3184 for (PackageParser.Activity a : pkg.activities) { 3185 for (ActivityIntentInfo filter : a.intents) { 3186 if (hasValidDomains(filter)) { 3187 if (domains == null) { 3188 domains = new ArraySet<String>(); 3189 } 3190 domains.addAll(filter.getHostsList()); 3191 } 3192 } 3193 } 3194 3195 if (domains != null && domains.size() > 0) { 3196 if (DEBUG_DOMAIN_VERIFICATION) { 3197 Slog.v(TAG, " + " + packageName); 3198 } 3199 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3200 // state w.r.t. the formal app-linkage "no verification attempted" state; 3201 // and then 'always' in the per-user state actually used for intent resolution. 3202 final IntentFilterVerificationInfo ivi; 3203 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3204 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3205 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3206 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3207 } else { 3208 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3209 + "' does not handle web links"); 3210 } 3211 } else { 3212 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3213 } 3214 } 3215 3216 scheduleWritePackageRestrictionsLocked(userId); 3217 scheduleWriteSettingsLocked(); 3218 } 3219 3220 private void applyFactoryDefaultBrowserLPw(int userId) { 3221 // The default browser app's package name is stored in a string resource, 3222 // with a product-specific overlay used for vendor customization. 3223 String browserPkg = mContext.getResources().getString( 3224 com.android.internal.R.string.default_browser); 3225 if (!TextUtils.isEmpty(browserPkg)) { 3226 // non-empty string => required to be a known package 3227 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3228 if (ps == null) { 3229 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3230 browserPkg = null; 3231 } else { 3232 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3233 } 3234 } 3235 3236 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3237 // default. If there's more than one, just leave everything alone. 3238 if (browserPkg == null) { 3239 calculateDefaultBrowserLPw(userId); 3240 } 3241 } 3242 3243 private void calculateDefaultBrowserLPw(int userId) { 3244 List<String> allBrowsers = resolveAllBrowserApps(userId); 3245 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3246 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3247 } 3248 3249 private List<String> resolveAllBrowserApps(int userId) { 3250 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3251 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3252 PackageManager.MATCH_ALL, userId); 3253 3254 final int count = list.size(); 3255 List<String> result = new ArrayList<String>(count); 3256 for (int i=0; i<count; i++) { 3257 ResolveInfo info = list.get(i); 3258 if (info.activityInfo == null 3259 || !info.handleAllWebDataURI 3260 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3261 || result.contains(info.activityInfo.packageName)) { 3262 continue; 3263 } 3264 result.add(info.activityInfo.packageName); 3265 } 3266 3267 return result; 3268 } 3269 3270 private boolean packageIsBrowser(String packageName, int userId) { 3271 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3272 PackageManager.MATCH_ALL, userId); 3273 final int N = list.size(); 3274 for (int i = 0; i < N; i++) { 3275 ResolveInfo info = list.get(i); 3276 if (packageName.equals(info.activityInfo.packageName)) { 3277 return true; 3278 } 3279 } 3280 return false; 3281 } 3282 3283 private void checkDefaultBrowser() { 3284 final int myUserId = UserHandle.myUserId(); 3285 final String packageName = getDefaultBrowserPackageName(myUserId); 3286 if (packageName != null) { 3287 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3288 if (info == null) { 3289 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3290 synchronized (mPackages) { 3291 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3292 } 3293 } 3294 } 3295 } 3296 3297 @Override 3298 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3299 throws RemoteException { 3300 try { 3301 return super.onTransact(code, data, reply, flags); 3302 } catch (RuntimeException e) { 3303 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3304 Slog.wtf(TAG, "Package Manager Crash", e); 3305 } 3306 throw e; 3307 } 3308 } 3309 3310 static int[] appendInts(int[] cur, int[] add) { 3311 if (add == null) return cur; 3312 if (cur == null) return add; 3313 final int N = add.length; 3314 for (int i=0; i<N; i++) { 3315 cur = appendInt(cur, add[i]); 3316 } 3317 return cur; 3318 } 3319 3320 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3321 if (!sUserManager.exists(userId)) return null; 3322 if (ps == null) { 3323 return null; 3324 } 3325 final PackageParser.Package p = ps.pkg; 3326 if (p == null) { 3327 return null; 3328 } 3329 // Filter out ephemeral app metadata: 3330 // * The system/shell/root can see metadata for any app 3331 // * An installed app can see metadata for 1) other installed apps 3332 // and 2) ephemeral apps that have explicitly interacted with it 3333 // * Ephemeral apps can only see their own metadata 3334 // * Holding a signature permission allows seeing instant apps 3335 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3336 if (callingAppId != Process.SYSTEM_UID 3337 && callingAppId != Process.SHELL_UID 3338 && callingAppId != Process.ROOT_UID 3339 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3340 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3341 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3342 if (instantAppPackageName != null) { 3343 // ephemeral apps can only get information on themselves 3344 if (!instantAppPackageName.equals(p.packageName)) { 3345 return null; 3346 } 3347 } else { 3348 if (ps.getInstantApp(userId)) { 3349 // only get access to the ephemeral app if we've been granted access 3350 if (!mInstantAppRegistry.isInstantAccessGranted( 3351 userId, callingAppId, ps.appId)) { 3352 return null; 3353 } 3354 } 3355 } 3356 } 3357 3358 final PermissionsState permissionsState = ps.getPermissionsState(); 3359 3360 // Compute GIDs only if requested 3361 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3362 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3363 // Compute granted permissions only if package has requested permissions 3364 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3365 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3366 final PackageUserState state = ps.readUserState(userId); 3367 3368 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3369 && ps.isSystem()) { 3370 flags |= MATCH_ANY_USER; 3371 } 3372 3373 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3374 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3375 3376 if (packageInfo == null) { 3377 return null; 3378 } 3379 3380 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3381 resolveExternalPackageNameLPr(p); 3382 3383 return packageInfo; 3384 } 3385 3386 @Override 3387 public void checkPackageStartable(String packageName, int userId) { 3388 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3389 3390 synchronized (mPackages) { 3391 final PackageSetting ps = mSettings.mPackages.get(packageName); 3392 if (ps == null) { 3393 throw new SecurityException("Package " + packageName + " was not found!"); 3394 } 3395 3396 if (!ps.getInstalled(userId)) { 3397 throw new SecurityException( 3398 "Package " + packageName + " was not installed for user " + userId + "!"); 3399 } 3400 3401 if (mSafeMode && !ps.isSystem()) { 3402 throw new SecurityException("Package " + packageName + " not a system app!"); 3403 } 3404 3405 if (mFrozenPackages.contains(packageName)) { 3406 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3407 } 3408 3409 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3410 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3411 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3412 } 3413 } 3414 } 3415 3416 @Override 3417 public boolean isPackageAvailable(String packageName, int userId) { 3418 if (!sUserManager.exists(userId)) return false; 3419 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3420 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3421 synchronized (mPackages) { 3422 PackageParser.Package p = mPackages.get(packageName); 3423 if (p != null) { 3424 final PackageSetting ps = (PackageSetting) p.mExtras; 3425 if (ps != null) { 3426 final PackageUserState state = ps.readUserState(userId); 3427 if (state != null) { 3428 return PackageParser.isAvailable(state); 3429 } 3430 } 3431 } 3432 } 3433 return false; 3434 } 3435 3436 @Override 3437 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3438 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3439 flags, userId); 3440 } 3441 3442 @Override 3443 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3444 int flags, int userId) { 3445 return getPackageInfoInternal(versionedPackage.getPackageName(), 3446 // TODO: We will change version code to long, so in the new API it is long 3447 (int) versionedPackage.getVersionCode(), flags, userId); 3448 } 3449 3450 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3451 int flags, int userId) { 3452 if (!sUserManager.exists(userId)) return null; 3453 flags = updateFlagsForPackage(flags, userId, packageName); 3454 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3455 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3456 3457 // reader 3458 synchronized (mPackages) { 3459 // Normalize package name to handle renamed packages and static libs 3460 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3461 3462 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3463 if (matchFactoryOnly) { 3464 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3465 if (ps != null) { 3466 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3467 return null; 3468 } 3469 return generatePackageInfo(ps, flags, userId); 3470 } 3471 } 3472 3473 PackageParser.Package p = mPackages.get(packageName); 3474 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3475 return null; 3476 } 3477 if (DEBUG_PACKAGE_INFO) 3478 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3479 if (p != null) { 3480 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3481 Binder.getCallingUid(), userId)) { 3482 return null; 3483 } 3484 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3485 } 3486 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3487 final PackageSetting ps = mSettings.mPackages.get(packageName); 3488 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3489 return null; 3490 } 3491 return generatePackageInfo(ps, flags, userId); 3492 } 3493 } 3494 return null; 3495 } 3496 3497 3498 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3499 // System/shell/root get to see all static libs 3500 final int appId = UserHandle.getAppId(uid); 3501 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3502 || appId == Process.ROOT_UID) { 3503 return false; 3504 } 3505 3506 // No package means no static lib as it is always on internal storage 3507 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3508 return false; 3509 } 3510 3511 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3512 ps.pkg.staticSharedLibVersion); 3513 if (libEntry == null) { 3514 return false; 3515 } 3516 3517 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3518 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3519 if (uidPackageNames == null) { 3520 return true; 3521 } 3522 3523 for (String uidPackageName : uidPackageNames) { 3524 if (ps.name.equals(uidPackageName)) { 3525 return false; 3526 } 3527 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3528 if (uidPs != null) { 3529 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3530 libEntry.info.getName()); 3531 if (index < 0) { 3532 continue; 3533 } 3534 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3535 return false; 3536 } 3537 } 3538 } 3539 return true; 3540 } 3541 3542 @Override 3543 public String[] currentToCanonicalPackageNames(String[] names) { 3544 String[] out = new String[names.length]; 3545 // reader 3546 synchronized (mPackages) { 3547 for (int i=names.length-1; i>=0; i--) { 3548 PackageSetting ps = mSettings.mPackages.get(names[i]); 3549 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3550 } 3551 } 3552 return out; 3553 } 3554 3555 @Override 3556 public String[] canonicalToCurrentPackageNames(String[] names) { 3557 String[] out = new String[names.length]; 3558 // reader 3559 synchronized (mPackages) { 3560 for (int i=names.length-1; i>=0; i--) { 3561 String cur = mSettings.getRenamedPackageLPr(names[i]); 3562 out[i] = cur != null ? cur : names[i]; 3563 } 3564 } 3565 return out; 3566 } 3567 3568 @Override 3569 public int getPackageUid(String packageName, int flags, int userId) { 3570 if (!sUserManager.exists(userId)) return -1; 3571 flags = updateFlagsForPackage(flags, userId, packageName); 3572 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3573 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3574 3575 // reader 3576 synchronized (mPackages) { 3577 final PackageParser.Package p = mPackages.get(packageName); 3578 if (p != null && p.isMatch(flags)) { 3579 return UserHandle.getUid(userId, p.applicationInfo.uid); 3580 } 3581 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3582 final PackageSetting ps = mSettings.mPackages.get(packageName); 3583 if (ps != null && ps.isMatch(flags)) { 3584 return UserHandle.getUid(userId, ps.appId); 3585 } 3586 } 3587 } 3588 3589 return -1; 3590 } 3591 3592 @Override 3593 public int[] getPackageGids(String packageName, int flags, int userId) { 3594 if (!sUserManager.exists(userId)) return null; 3595 flags = updateFlagsForPackage(flags, userId, packageName); 3596 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3597 false /* requireFullPermission */, false /* checkShell */, 3598 "getPackageGids"); 3599 3600 // reader 3601 synchronized (mPackages) { 3602 final PackageParser.Package p = mPackages.get(packageName); 3603 if (p != null && p.isMatch(flags)) { 3604 PackageSetting ps = (PackageSetting) p.mExtras; 3605 // TODO: Shouldn't this be checking for package installed state for userId and 3606 // return null? 3607 return ps.getPermissionsState().computeGids(userId); 3608 } 3609 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3610 final PackageSetting ps = mSettings.mPackages.get(packageName); 3611 if (ps != null && ps.isMatch(flags)) { 3612 return ps.getPermissionsState().computeGids(userId); 3613 } 3614 } 3615 } 3616 3617 return null; 3618 } 3619 3620 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3621 if (bp.perm != null) { 3622 return PackageParser.generatePermissionInfo(bp.perm, flags); 3623 } 3624 PermissionInfo pi = new PermissionInfo(); 3625 pi.name = bp.name; 3626 pi.packageName = bp.sourcePackage; 3627 pi.nonLocalizedLabel = bp.name; 3628 pi.protectionLevel = bp.protectionLevel; 3629 return pi; 3630 } 3631 3632 @Override 3633 public PermissionInfo getPermissionInfo(String name, int flags) { 3634 // reader 3635 synchronized (mPackages) { 3636 final BasePermission p = mSettings.mPermissions.get(name); 3637 if (p != null) { 3638 return generatePermissionInfo(p, flags); 3639 } 3640 return null; 3641 } 3642 } 3643 3644 @Override 3645 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3646 int flags) { 3647 // reader 3648 synchronized (mPackages) { 3649 if (group != null && !mPermissionGroups.containsKey(group)) { 3650 // This is thrown as NameNotFoundException 3651 return null; 3652 } 3653 3654 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3655 for (BasePermission p : mSettings.mPermissions.values()) { 3656 if (group == null) { 3657 if (p.perm == null || p.perm.info.group == null) { 3658 out.add(generatePermissionInfo(p, flags)); 3659 } 3660 } else { 3661 if (p.perm != null && group.equals(p.perm.info.group)) { 3662 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3663 } 3664 } 3665 } 3666 return new ParceledListSlice<>(out); 3667 } 3668 } 3669 3670 @Override 3671 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3672 // reader 3673 synchronized (mPackages) { 3674 return PackageParser.generatePermissionGroupInfo( 3675 mPermissionGroups.get(name), flags); 3676 } 3677 } 3678 3679 @Override 3680 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3681 // reader 3682 synchronized (mPackages) { 3683 final int N = mPermissionGroups.size(); 3684 ArrayList<PermissionGroupInfo> out 3685 = new ArrayList<PermissionGroupInfo>(N); 3686 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3687 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3688 } 3689 return new ParceledListSlice<>(out); 3690 } 3691 } 3692 3693 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3694 int uid, int userId) { 3695 if (!sUserManager.exists(userId)) return null; 3696 PackageSetting ps = mSettings.mPackages.get(packageName); 3697 if (ps != null) { 3698 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3699 return null; 3700 } 3701 if (ps.pkg == null) { 3702 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3703 if (pInfo != null) { 3704 return pInfo.applicationInfo; 3705 } 3706 return null; 3707 } 3708 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3709 ps.readUserState(userId), userId); 3710 if (ai != null) { 3711 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3712 } 3713 return ai; 3714 } 3715 return null; 3716 } 3717 3718 @Override 3719 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3720 if (!sUserManager.exists(userId)) return null; 3721 flags = updateFlagsForApplication(flags, userId, packageName); 3722 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3723 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3724 3725 // writer 3726 synchronized (mPackages) { 3727 // Normalize package name to handle renamed packages and static libs 3728 packageName = resolveInternalPackageNameLPr(packageName, 3729 PackageManager.VERSION_CODE_HIGHEST); 3730 3731 PackageParser.Package p = mPackages.get(packageName); 3732 if (DEBUG_PACKAGE_INFO) Log.v( 3733 TAG, "getApplicationInfo " + packageName 3734 + ": " + p); 3735 if (p != null) { 3736 PackageSetting ps = mSettings.mPackages.get(packageName); 3737 if (ps == null) return null; 3738 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3739 return null; 3740 } 3741 // Note: isEnabledLP() does not apply here - always return info 3742 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3743 p, flags, ps.readUserState(userId), userId); 3744 if (ai != null) { 3745 ai.packageName = resolveExternalPackageNameLPr(p); 3746 } 3747 return ai; 3748 } 3749 if ("android".equals(packageName)||"system".equals(packageName)) { 3750 return mAndroidApplication; 3751 } 3752 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3753 // Already generates the external package name 3754 return generateApplicationInfoFromSettingsLPw(packageName, 3755 Binder.getCallingUid(), flags, userId); 3756 } 3757 } 3758 return null; 3759 } 3760 3761 private String normalizePackageNameLPr(String packageName) { 3762 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3763 return normalizedPackageName != null ? normalizedPackageName : packageName; 3764 } 3765 3766 @Override 3767 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3768 final IPackageDataObserver observer) { 3769 mContext.enforceCallingOrSelfPermission( 3770 android.Manifest.permission.CLEAR_APP_CACHE, null); 3771 // Queue up an async operation since clearing cache may take a little while. 3772 mHandler.post(new Runnable() { 3773 public void run() { 3774 mHandler.removeCallbacks(this); 3775 boolean success = true; 3776 synchronized (mInstallLock) { 3777 try { 3778 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3779 } catch (InstallerException e) { 3780 Slog.w(TAG, "Couldn't clear application caches: " + e); 3781 success = false; 3782 } 3783 } 3784 if (observer != null) { 3785 try { 3786 observer.onRemoveCompleted(null, success); 3787 } catch (RemoteException e) { 3788 Slog.w(TAG, "RemoveException when invoking call back"); 3789 } 3790 } 3791 } 3792 }); 3793 } 3794 3795 @Override 3796 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3797 final IntentSender pi) { 3798 mContext.enforceCallingOrSelfPermission( 3799 android.Manifest.permission.CLEAR_APP_CACHE, null); 3800 // Queue up an async operation since clearing cache may take a little while. 3801 mHandler.post(new Runnable() { 3802 public void run() { 3803 mHandler.removeCallbacks(this); 3804 boolean success = true; 3805 synchronized (mInstallLock) { 3806 try { 3807 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3808 } catch (InstallerException e) { 3809 Slog.w(TAG, "Couldn't clear application caches: " + e); 3810 success = false; 3811 } 3812 } 3813 if(pi != null) { 3814 try { 3815 // Callback via pending intent 3816 int code = success ? 1 : 0; 3817 pi.sendIntent(null, code, null, 3818 null, null); 3819 } catch (SendIntentException e1) { 3820 Slog.i(TAG, "Failed to send pending intent"); 3821 } 3822 } 3823 } 3824 }); 3825 } 3826 3827 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3828 synchronized (mInstallLock) { 3829 try { 3830 mInstaller.freeCache(volumeUuid, freeStorageSize, 0); 3831 } catch (InstallerException e) { 3832 throw new IOException("Failed to free enough space", e); 3833 } 3834 } 3835 } 3836 3837 /** 3838 * Update given flags based on encryption status of current user. 3839 */ 3840 private int updateFlags(int flags, int userId) { 3841 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3842 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3843 // Caller expressed an explicit opinion about what encryption 3844 // aware/unaware components they want to see, so fall through and 3845 // give them what they want 3846 } else { 3847 // Caller expressed no opinion, so match based on user state 3848 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3849 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3850 } else { 3851 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3852 } 3853 } 3854 return flags; 3855 } 3856 3857 private UserManagerInternal getUserManagerInternal() { 3858 if (mUserManagerInternal == null) { 3859 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3860 } 3861 return mUserManagerInternal; 3862 } 3863 3864 /** 3865 * Update given flags when being used to request {@link PackageInfo}. 3866 */ 3867 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3868 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3869 boolean triaged = true; 3870 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3871 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3872 // Caller is asking for component details, so they'd better be 3873 // asking for specific encryption matching behavior, or be triaged 3874 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3875 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3876 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3877 triaged = false; 3878 } 3879 } 3880 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3881 | PackageManager.MATCH_SYSTEM_ONLY 3882 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3883 triaged = false; 3884 } 3885 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3886 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3887 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3888 + Debug.getCallers(5)); 3889 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3890 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3891 // If the caller wants all packages and has a restricted profile associated with it, 3892 // then match all users. This is to make sure that launchers that need to access work 3893 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3894 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3895 flags |= PackageManager.MATCH_ANY_USER; 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 return updateFlags(flags, userId); 3902 } 3903 3904 /** 3905 * Update given flags when being used to request {@link ApplicationInfo}. 3906 */ 3907 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3908 return updateFlagsForPackage(flags, userId, cookie); 3909 } 3910 3911 /** 3912 * Update given flags when being used to request {@link ComponentInfo}. 3913 */ 3914 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3915 if (cookie instanceof Intent) { 3916 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3917 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3918 } 3919 } 3920 3921 boolean triaged = true; 3922 // Caller is asking for component details, so they'd better be 3923 // asking for specific encryption matching behavior, or be triaged 3924 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3925 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3926 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3927 triaged = false; 3928 } 3929 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3930 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3931 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3932 } 3933 3934 return updateFlags(flags, userId); 3935 } 3936 3937 /** 3938 * Update given intent when being used to request {@link ResolveInfo}. 3939 */ 3940 private Intent updateIntentForResolve(Intent intent) { 3941 if (intent.getSelector() != null) { 3942 intent = intent.getSelector(); 3943 } 3944 if (DEBUG_PREFERRED) { 3945 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3946 } 3947 return intent; 3948 } 3949 3950 /** 3951 * Update given flags when being used to request {@link ResolveInfo}. 3952 */ 3953 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3954 // Safe mode means we shouldn't match any third-party components 3955 if (mSafeMode) { 3956 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3957 } 3958 final int callingUid = Binder.getCallingUid(); 3959 if (getInstantAppPackageName(callingUid) != null) { 3960 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 3961 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 3962 flags |= PackageManager.MATCH_INSTANT; 3963 } else { 3964 // Otherwise, prevent leaking ephemeral components 3965 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 3966 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3967 // Unless called from the system process 3968 flags &= ~PackageManager.MATCH_INSTANT; 3969 } 3970 } 3971 return updateFlagsForComponent(flags, userId, cookie); 3972 } 3973 3974 @Override 3975 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3976 if (!sUserManager.exists(userId)) return null; 3977 flags = updateFlagsForComponent(flags, userId, component); 3978 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3979 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3980 synchronized (mPackages) { 3981 PackageParser.Activity a = mActivities.mActivities.get(component); 3982 3983 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3984 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3985 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3986 if (ps == null) return null; 3987 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3988 userId); 3989 } 3990 if (mResolveComponentName.equals(component)) { 3991 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3992 new PackageUserState(), userId); 3993 } 3994 } 3995 return null; 3996 } 3997 3998 @Override 3999 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4000 String resolvedType) { 4001 synchronized (mPackages) { 4002 if (component.equals(mResolveComponentName)) { 4003 // The resolver supports EVERYTHING! 4004 return true; 4005 } 4006 PackageParser.Activity a = mActivities.mActivities.get(component); 4007 if (a == null) { 4008 return false; 4009 } 4010 for (int i=0; i<a.intents.size(); i++) { 4011 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4012 intent.getData(), intent.getCategories(), TAG) >= 0) { 4013 return true; 4014 } 4015 } 4016 return false; 4017 } 4018 } 4019 4020 @Override 4021 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4022 if (!sUserManager.exists(userId)) return null; 4023 flags = updateFlagsForComponent(flags, userId, component); 4024 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4025 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4026 synchronized (mPackages) { 4027 PackageParser.Activity a = mReceivers.mActivities.get(component); 4028 if (DEBUG_PACKAGE_INFO) Log.v( 4029 TAG, "getReceiverInfo " + component + ": " + a); 4030 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4031 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4032 if (ps == null) return null; 4033 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 4034 userId); 4035 } 4036 } 4037 return null; 4038 } 4039 4040 @Override 4041 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4042 if (!sUserManager.exists(userId)) return null; 4043 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4044 4045 flags = updateFlagsForPackage(flags, userId, null); 4046 4047 final boolean canSeeStaticLibraries = 4048 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4049 == PERMISSION_GRANTED 4050 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4051 == PERMISSION_GRANTED 4052 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4053 == PERMISSION_GRANTED 4054 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4055 == PERMISSION_GRANTED; 4056 4057 synchronized (mPackages) { 4058 List<SharedLibraryInfo> result = null; 4059 4060 final int libCount = mSharedLibraries.size(); 4061 for (int i = 0; i < libCount; i++) { 4062 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4063 if (versionedLib == null) { 4064 continue; 4065 } 4066 4067 final int versionCount = versionedLib.size(); 4068 for (int j = 0; j < versionCount; j++) { 4069 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4070 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4071 break; 4072 } 4073 final long identity = Binder.clearCallingIdentity(); 4074 try { 4075 // TODO: We will change version code to long, so in the new API it is long 4076 PackageInfo packageInfo = getPackageInfoVersioned( 4077 libInfo.getDeclaringPackage(), flags, userId); 4078 if (packageInfo == null) { 4079 continue; 4080 } 4081 } finally { 4082 Binder.restoreCallingIdentity(identity); 4083 } 4084 4085 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4086 libInfo.getVersion(), libInfo.getType(), libInfo.getDeclaringPackage(), 4087 getPackagesUsingSharedLibraryLPr(libInfo, flags, userId)); 4088 4089 if (result == null) { 4090 result = new ArrayList<>(); 4091 } 4092 result.add(resLibInfo); 4093 } 4094 } 4095 4096 return result != null ? new ParceledListSlice<>(result) : null; 4097 } 4098 } 4099 4100 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4101 SharedLibraryInfo libInfo, int flags, int userId) { 4102 List<VersionedPackage> versionedPackages = null; 4103 final int packageCount = mSettings.mPackages.size(); 4104 for (int i = 0; i < packageCount; i++) { 4105 PackageSetting ps = mSettings.mPackages.valueAt(i); 4106 4107 if (ps == null) { 4108 continue; 4109 } 4110 4111 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4112 continue; 4113 } 4114 4115 final String libName = libInfo.getName(); 4116 if (libInfo.isStatic()) { 4117 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4118 if (libIdx < 0) { 4119 continue; 4120 } 4121 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4122 continue; 4123 } 4124 if (versionedPackages == null) { 4125 versionedPackages = new ArrayList<>(); 4126 } 4127 // If the dependent is a static shared lib, use the public package name 4128 String dependentPackageName = ps.name; 4129 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4130 dependentPackageName = ps.pkg.manifestPackageName; 4131 } 4132 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4133 } else if (ps.pkg != null) { 4134 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4135 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4136 if (versionedPackages == null) { 4137 versionedPackages = new ArrayList<>(); 4138 } 4139 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4140 } 4141 } 4142 } 4143 4144 return versionedPackages; 4145 } 4146 4147 @Override 4148 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4149 if (!sUserManager.exists(userId)) return null; 4150 flags = updateFlagsForComponent(flags, userId, component); 4151 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4152 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4153 synchronized (mPackages) { 4154 PackageParser.Service s = mServices.mServices.get(component); 4155 if (DEBUG_PACKAGE_INFO) Log.v( 4156 TAG, "getServiceInfo " + component + ": " + s); 4157 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4158 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4159 if (ps == null) return null; 4160 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 4161 userId); 4162 } 4163 } 4164 return null; 4165 } 4166 4167 @Override 4168 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4169 if (!sUserManager.exists(userId)) return null; 4170 flags = updateFlagsForComponent(flags, userId, component); 4171 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4172 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4173 synchronized (mPackages) { 4174 PackageParser.Provider p = mProviders.mProviders.get(component); 4175 if (DEBUG_PACKAGE_INFO) Log.v( 4176 TAG, "getProviderInfo " + component + ": " + p); 4177 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4178 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4179 if (ps == null) return null; 4180 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 4181 userId); 4182 } 4183 } 4184 return null; 4185 } 4186 4187 @Override 4188 public String[] getSystemSharedLibraryNames() { 4189 synchronized (mPackages) { 4190 Set<String> libs = null; 4191 final int libCount = mSharedLibraries.size(); 4192 for (int i = 0; i < libCount; i++) { 4193 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4194 if (versionedLib == null) { 4195 continue; 4196 } 4197 final int versionCount = versionedLib.size(); 4198 for (int j = 0; j < versionCount; j++) { 4199 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4200 if (!libEntry.info.isStatic()) { 4201 if (libs == null) { 4202 libs = new ArraySet<>(); 4203 } 4204 libs.add(libEntry.info.getName()); 4205 break; 4206 } 4207 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4208 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4209 UserHandle.getUserId(Binder.getCallingUid()))) { 4210 if (libs == null) { 4211 libs = new ArraySet<>(); 4212 } 4213 libs.add(libEntry.info.getName()); 4214 break; 4215 } 4216 } 4217 } 4218 4219 if (libs != null) { 4220 String[] libsArray = new String[libs.size()]; 4221 libs.toArray(libsArray); 4222 return libsArray; 4223 } 4224 4225 return null; 4226 } 4227 } 4228 4229 @Override 4230 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4231 synchronized (mPackages) { 4232 return mServicesSystemSharedLibraryPackageName; 4233 } 4234 } 4235 4236 @Override 4237 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4238 synchronized (mPackages) { 4239 return mSharedSystemSharedLibraryPackageName; 4240 } 4241 } 4242 4243 private void updateSequenceNumberLP(String packageName, int[] userList) { 4244 for (int i = userList.length - 1; i >= 0; --i) { 4245 final int userId = userList[i]; 4246 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4247 if (changedPackages == null) { 4248 changedPackages = new SparseArray<>(); 4249 mChangedPackages.put(userId, changedPackages); 4250 } 4251 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4252 if (sequenceNumbers == null) { 4253 sequenceNumbers = new HashMap<>(); 4254 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4255 } 4256 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4257 if (sequenceNumber != null) { 4258 changedPackages.remove(sequenceNumber); 4259 } 4260 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4261 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4262 } 4263 mChangedPackagesSequenceNumber++; 4264 } 4265 4266 @Override 4267 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4268 synchronized (mPackages) { 4269 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4270 return null; 4271 } 4272 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4273 if (changedPackages == null) { 4274 return null; 4275 } 4276 final List<String> packageNames = 4277 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4278 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4279 final String packageName = changedPackages.get(i); 4280 if (packageName != null) { 4281 packageNames.add(packageName); 4282 } 4283 } 4284 return packageNames.isEmpty() 4285 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4286 } 4287 } 4288 4289 @Override 4290 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4291 ArrayList<FeatureInfo> res; 4292 synchronized (mAvailableFeatures) { 4293 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4294 res.addAll(mAvailableFeatures.values()); 4295 } 4296 final FeatureInfo fi = new FeatureInfo(); 4297 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4298 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4299 res.add(fi); 4300 4301 return new ParceledListSlice<>(res); 4302 } 4303 4304 @Override 4305 public boolean hasSystemFeature(String name, int version) { 4306 synchronized (mAvailableFeatures) { 4307 final FeatureInfo feat = mAvailableFeatures.get(name); 4308 if (feat == null) { 4309 return false; 4310 } else { 4311 return feat.version >= version; 4312 } 4313 } 4314 } 4315 4316 @Override 4317 public int checkPermission(String permName, String pkgName, int userId) { 4318 if (!sUserManager.exists(userId)) { 4319 return PackageManager.PERMISSION_DENIED; 4320 } 4321 4322 synchronized (mPackages) { 4323 final PackageParser.Package p = mPackages.get(pkgName); 4324 if (p != null && p.mExtras != null) { 4325 final PackageSetting ps = (PackageSetting) p.mExtras; 4326 final PermissionsState permissionsState = ps.getPermissionsState(); 4327 if (permissionsState.hasPermission(permName, userId)) { 4328 return PackageManager.PERMISSION_GRANTED; 4329 } 4330 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4331 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4332 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4333 return PackageManager.PERMISSION_GRANTED; 4334 } 4335 } 4336 } 4337 4338 return PackageManager.PERMISSION_DENIED; 4339 } 4340 4341 @Override 4342 public int checkUidPermission(String permName, int uid) { 4343 final int userId = UserHandle.getUserId(uid); 4344 4345 if (!sUserManager.exists(userId)) { 4346 return PackageManager.PERMISSION_DENIED; 4347 } 4348 4349 synchronized (mPackages) { 4350 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4351 if (obj != null) { 4352 final SettingBase ps = (SettingBase) obj; 4353 final PermissionsState permissionsState = ps.getPermissionsState(); 4354 if (permissionsState.hasPermission(permName, userId)) { 4355 return PackageManager.PERMISSION_GRANTED; 4356 } 4357 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4358 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4359 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4360 return PackageManager.PERMISSION_GRANTED; 4361 } 4362 } else { 4363 ArraySet<String> perms = mSystemPermissions.get(uid); 4364 if (perms != null) { 4365 if (perms.contains(permName)) { 4366 return PackageManager.PERMISSION_GRANTED; 4367 } 4368 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4369 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4370 return PackageManager.PERMISSION_GRANTED; 4371 } 4372 } 4373 } 4374 } 4375 4376 return PackageManager.PERMISSION_DENIED; 4377 } 4378 4379 @Override 4380 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4381 if (UserHandle.getCallingUserId() != userId) { 4382 mContext.enforceCallingPermission( 4383 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4384 "isPermissionRevokedByPolicy for user " + userId); 4385 } 4386 4387 if (checkPermission(permission, packageName, userId) 4388 == PackageManager.PERMISSION_GRANTED) { 4389 return false; 4390 } 4391 4392 final long identity = Binder.clearCallingIdentity(); 4393 try { 4394 final int flags = getPermissionFlags(permission, packageName, userId); 4395 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4396 } finally { 4397 Binder.restoreCallingIdentity(identity); 4398 } 4399 } 4400 4401 @Override 4402 public String getPermissionControllerPackageName() { 4403 synchronized (mPackages) { 4404 return mRequiredInstallerPackage; 4405 } 4406 } 4407 4408 /** 4409 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4410 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4411 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4412 * @param message the message to log on security exception 4413 */ 4414 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4415 boolean checkShell, String message) { 4416 if (userId < 0) { 4417 throw new IllegalArgumentException("Invalid userId " + userId); 4418 } 4419 if (checkShell) { 4420 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4421 } 4422 if (userId == UserHandle.getUserId(callingUid)) return; 4423 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4424 if (requireFullPermission) { 4425 mContext.enforceCallingOrSelfPermission( 4426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4427 } else { 4428 try { 4429 mContext.enforceCallingOrSelfPermission( 4430 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4431 } catch (SecurityException se) { 4432 mContext.enforceCallingOrSelfPermission( 4433 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4434 } 4435 } 4436 } 4437 } 4438 4439 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4440 if (callingUid == Process.SHELL_UID) { 4441 if (userHandle >= 0 4442 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4443 throw new SecurityException("Shell does not have permission to access user " 4444 + userHandle); 4445 } else if (userHandle < 0) { 4446 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4447 + Debug.getCallers(3)); 4448 } 4449 } 4450 } 4451 4452 private BasePermission findPermissionTreeLP(String permName) { 4453 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4454 if (permName.startsWith(bp.name) && 4455 permName.length() > bp.name.length() && 4456 permName.charAt(bp.name.length()) == '.') { 4457 return bp; 4458 } 4459 } 4460 return null; 4461 } 4462 4463 private BasePermission checkPermissionTreeLP(String permName) { 4464 if (permName != null) { 4465 BasePermission bp = findPermissionTreeLP(permName); 4466 if (bp != null) { 4467 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4468 return bp; 4469 } 4470 throw new SecurityException("Calling uid " 4471 + Binder.getCallingUid() 4472 + " is not allowed to add to permission tree " 4473 + bp.name + " owned by uid " + bp.uid); 4474 } 4475 } 4476 throw new SecurityException("No permission tree found for " + permName); 4477 } 4478 4479 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4480 if (s1 == null) { 4481 return s2 == null; 4482 } 4483 if (s2 == null) { 4484 return false; 4485 } 4486 if (s1.getClass() != s2.getClass()) { 4487 return false; 4488 } 4489 return s1.equals(s2); 4490 } 4491 4492 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4493 if (pi1.icon != pi2.icon) return false; 4494 if (pi1.logo != pi2.logo) return false; 4495 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4496 if (!compareStrings(pi1.name, pi2.name)) return false; 4497 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4498 // We'll take care of setting this one. 4499 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4500 // These are not currently stored in settings. 4501 //if (!compareStrings(pi1.group, pi2.group)) return false; 4502 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4503 //if (pi1.labelRes != pi2.labelRes) return false; 4504 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4505 return true; 4506 } 4507 4508 int permissionInfoFootprint(PermissionInfo info) { 4509 int size = info.name.length(); 4510 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4511 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4512 return size; 4513 } 4514 4515 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4516 int size = 0; 4517 for (BasePermission perm : mSettings.mPermissions.values()) { 4518 if (perm.uid == tree.uid) { 4519 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4520 } 4521 } 4522 return size; 4523 } 4524 4525 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4526 // We calculate the max size of permissions defined by this uid and throw 4527 // if that plus the size of 'info' would exceed our stated maximum. 4528 if (tree.uid != Process.SYSTEM_UID) { 4529 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4530 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4531 throw new SecurityException("Permission tree size cap exceeded"); 4532 } 4533 } 4534 } 4535 4536 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4537 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4538 throw new SecurityException("Label must be specified in permission"); 4539 } 4540 BasePermission tree = checkPermissionTreeLP(info.name); 4541 BasePermission bp = mSettings.mPermissions.get(info.name); 4542 boolean added = bp == null; 4543 boolean changed = true; 4544 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4545 if (added) { 4546 enforcePermissionCapLocked(info, tree); 4547 bp = new BasePermission(info.name, tree.sourcePackage, 4548 BasePermission.TYPE_DYNAMIC); 4549 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4550 throw new SecurityException( 4551 "Not allowed to modify non-dynamic permission " 4552 + info.name); 4553 } else { 4554 if (bp.protectionLevel == fixedLevel 4555 && bp.perm.owner.equals(tree.perm.owner) 4556 && bp.uid == tree.uid 4557 && comparePermissionInfos(bp.perm.info, info)) { 4558 changed = false; 4559 } 4560 } 4561 bp.protectionLevel = fixedLevel; 4562 info = new PermissionInfo(info); 4563 info.protectionLevel = fixedLevel; 4564 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4565 bp.perm.info.packageName = tree.perm.info.packageName; 4566 bp.uid = tree.uid; 4567 if (added) { 4568 mSettings.mPermissions.put(info.name, bp); 4569 } 4570 if (changed) { 4571 if (!async) { 4572 mSettings.writeLPr(); 4573 } else { 4574 scheduleWriteSettingsLocked(); 4575 } 4576 } 4577 return added; 4578 } 4579 4580 @Override 4581 public boolean addPermission(PermissionInfo info) { 4582 synchronized (mPackages) { 4583 return addPermissionLocked(info, false); 4584 } 4585 } 4586 4587 @Override 4588 public boolean addPermissionAsync(PermissionInfo info) { 4589 synchronized (mPackages) { 4590 return addPermissionLocked(info, true); 4591 } 4592 } 4593 4594 @Override 4595 public void removePermission(String name) { 4596 synchronized (mPackages) { 4597 checkPermissionTreeLP(name); 4598 BasePermission bp = mSettings.mPermissions.get(name); 4599 if (bp != null) { 4600 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4601 throw new SecurityException( 4602 "Not allowed to modify non-dynamic permission " 4603 + name); 4604 } 4605 mSettings.mPermissions.remove(name); 4606 mSettings.writeLPr(); 4607 } 4608 } 4609 } 4610 4611 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4612 BasePermission bp) { 4613 int index = pkg.requestedPermissions.indexOf(bp.name); 4614 if (index == -1) { 4615 throw new SecurityException("Package " + pkg.packageName 4616 + " has not requested permission " + bp.name); 4617 } 4618 if (!bp.isRuntime() && !bp.isDevelopment()) { 4619 throw new SecurityException("Permission " + bp.name 4620 + " is not a changeable permission type"); 4621 } 4622 } 4623 4624 @Override 4625 public void grantRuntimePermission(String packageName, String name, final int userId) { 4626 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4627 } 4628 4629 private void grantRuntimePermission(String packageName, String name, final int userId, 4630 boolean overridePolicy) { 4631 if (!sUserManager.exists(userId)) { 4632 Log.e(TAG, "No such user:" + userId); 4633 return; 4634 } 4635 4636 mContext.enforceCallingOrSelfPermission( 4637 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4638 "grantRuntimePermission"); 4639 4640 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4641 true /* requireFullPermission */, true /* checkShell */, 4642 "grantRuntimePermission"); 4643 4644 final int uid; 4645 final SettingBase sb; 4646 4647 synchronized (mPackages) { 4648 final PackageParser.Package pkg = mPackages.get(packageName); 4649 if (pkg == null) { 4650 throw new IllegalArgumentException("Unknown package: " + packageName); 4651 } 4652 4653 final BasePermission bp = mSettings.mPermissions.get(name); 4654 if (bp == null) { 4655 throw new IllegalArgumentException("Unknown permission: " + name); 4656 } 4657 4658 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4659 4660 // If a permission review is required for legacy apps we represent 4661 // their permissions as always granted runtime ones since we need 4662 // to keep the review required permission flag per user while an 4663 // install permission's state is shared across all users. 4664 if (mPermissionReviewRequired 4665 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4666 && bp.isRuntime()) { 4667 return; 4668 } 4669 4670 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4671 sb = (SettingBase) pkg.mExtras; 4672 if (sb == null) { 4673 throw new IllegalArgumentException("Unknown package: " + packageName); 4674 } 4675 4676 final PermissionsState permissionsState = sb.getPermissionsState(); 4677 4678 final int flags = permissionsState.getPermissionFlags(name, userId); 4679 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4680 throw new SecurityException("Cannot grant system fixed permission " 4681 + name + " for package " + packageName); 4682 } 4683 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4684 throw new SecurityException("Cannot grant policy fixed permission " 4685 + name + " for package " + packageName); 4686 } 4687 4688 if (bp.isDevelopment()) { 4689 // Development permissions must be handled specially, since they are not 4690 // normal runtime permissions. For now they apply to all users. 4691 if (permissionsState.grantInstallPermission(bp) != 4692 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4693 scheduleWriteSettingsLocked(); 4694 } 4695 return; 4696 } 4697 4698 final PackageSetting ps = mSettings.mPackages.get(packageName); 4699 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4700 throw new SecurityException("Cannot grant non-ephemeral permission" 4701 + name + " for package " + packageName); 4702 } 4703 4704 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4705 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4706 return; 4707 } 4708 4709 final int result = permissionsState.grantRuntimePermission(bp, userId); 4710 switch (result) { 4711 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4712 return; 4713 } 4714 4715 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4716 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4717 mHandler.post(new Runnable() { 4718 @Override 4719 public void run() { 4720 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4721 } 4722 }); 4723 } 4724 break; 4725 } 4726 4727 if (bp.isRuntime()) { 4728 logPermissionGranted(mContext, name, packageName); 4729 } 4730 4731 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4732 4733 // Not critical if that is lost - app has to request again. 4734 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4735 } 4736 4737 // Only need to do this if user is initialized. Otherwise it's a new user 4738 // and there are no processes running as the user yet and there's no need 4739 // to make an expensive call to remount processes for the changed permissions. 4740 if (READ_EXTERNAL_STORAGE.equals(name) 4741 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4742 final long token = Binder.clearCallingIdentity(); 4743 try { 4744 if (sUserManager.isInitialized(userId)) { 4745 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4746 StorageManagerInternal.class); 4747 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4748 } 4749 } finally { 4750 Binder.restoreCallingIdentity(token); 4751 } 4752 } 4753 } 4754 4755 @Override 4756 public void revokeRuntimePermission(String packageName, String name, int userId) { 4757 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4758 } 4759 4760 private void revokeRuntimePermission(String packageName, String name, int userId, 4761 boolean overridePolicy) { 4762 if (!sUserManager.exists(userId)) { 4763 Log.e(TAG, "No such user:" + userId); 4764 return; 4765 } 4766 4767 mContext.enforceCallingOrSelfPermission( 4768 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4769 "revokeRuntimePermission"); 4770 4771 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4772 true /* requireFullPermission */, true /* checkShell */, 4773 "revokeRuntimePermission"); 4774 4775 final int appId; 4776 4777 synchronized (mPackages) { 4778 final PackageParser.Package pkg = mPackages.get(packageName); 4779 if (pkg == null) { 4780 throw new IllegalArgumentException("Unknown package: " + packageName); 4781 } 4782 4783 final BasePermission bp = mSettings.mPermissions.get(name); 4784 if (bp == null) { 4785 throw new IllegalArgumentException("Unknown permission: " + name); 4786 } 4787 4788 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4789 4790 // If a permission review is required for legacy apps we represent 4791 // their permissions as always granted runtime ones since we need 4792 // to keep the review required permission flag per user while an 4793 // install permission's state is shared across all users. 4794 if (mPermissionReviewRequired 4795 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4796 && bp.isRuntime()) { 4797 return; 4798 } 4799 4800 SettingBase sb = (SettingBase) pkg.mExtras; 4801 if (sb == null) { 4802 throw new IllegalArgumentException("Unknown package: " + packageName); 4803 } 4804 4805 final PermissionsState permissionsState = sb.getPermissionsState(); 4806 4807 final int flags = permissionsState.getPermissionFlags(name, userId); 4808 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4809 throw new SecurityException("Cannot revoke system fixed permission " 4810 + name + " for package " + packageName); 4811 } 4812 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4813 throw new SecurityException("Cannot revoke policy fixed permission " 4814 + name + " for package " + packageName); 4815 } 4816 4817 if (bp.isDevelopment()) { 4818 // Development permissions must be handled specially, since they are not 4819 // normal runtime permissions. For now they apply to all users. 4820 if (permissionsState.revokeInstallPermission(bp) != 4821 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4822 scheduleWriteSettingsLocked(); 4823 } 4824 return; 4825 } 4826 4827 if (permissionsState.revokeRuntimePermission(bp, userId) == 4828 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4829 return; 4830 } 4831 4832 if (bp.isRuntime()) { 4833 logPermissionRevoked(mContext, name, packageName); 4834 } 4835 4836 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4837 4838 // Critical, after this call app should never have the permission. 4839 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4840 4841 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4842 } 4843 4844 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4845 } 4846 4847 /** 4848 * Get the first event id for the permission. 4849 * 4850 * <p>There are four events for each permission: <ul> 4851 * <li>Request permission: first id + 0</li> 4852 * <li>Grant permission: first id + 1</li> 4853 * <li>Request for permission denied: first id + 2</li> 4854 * <li>Revoke permission: first id + 3</li> 4855 * </ul></p> 4856 * 4857 * @param name name of the permission 4858 * 4859 * @return The first event id for the permission 4860 */ 4861 private static int getBaseEventId(@NonNull String name) { 4862 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 4863 4864 if (eventIdIndex == -1) { 4865 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 4866 || "user".equals(Build.TYPE)) { 4867 Log.i(TAG, "Unknown permission " + name); 4868 4869 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 4870 } else { 4871 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 4872 // 4873 // Also update 4874 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 4875 // - metrics_constants.proto 4876 throw new IllegalStateException("Unknown permission " + name); 4877 } 4878 } 4879 4880 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 4881 } 4882 4883 /** 4884 * Log that a permission was revoked. 4885 * 4886 * @param context Context of the caller 4887 * @param name name of the permission 4888 * @param packageName package permission if for 4889 */ 4890 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 4891 @NonNull String packageName) { 4892 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 4893 } 4894 4895 /** 4896 * Log that a permission request was granted. 4897 * 4898 * @param context Context of the caller 4899 * @param name name of the permission 4900 * @param packageName package permission if for 4901 */ 4902 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 4903 @NonNull String packageName) { 4904 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 4905 } 4906 4907 @Override 4908 public void resetRuntimePermissions() { 4909 mContext.enforceCallingOrSelfPermission( 4910 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4911 "revokeRuntimePermission"); 4912 4913 int callingUid = Binder.getCallingUid(); 4914 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4915 mContext.enforceCallingOrSelfPermission( 4916 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4917 "resetRuntimePermissions"); 4918 } 4919 4920 synchronized (mPackages) { 4921 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4922 for (int userId : UserManagerService.getInstance().getUserIds()) { 4923 final int packageCount = mPackages.size(); 4924 for (int i = 0; i < packageCount; i++) { 4925 PackageParser.Package pkg = mPackages.valueAt(i); 4926 if (!(pkg.mExtras instanceof PackageSetting)) { 4927 continue; 4928 } 4929 PackageSetting ps = (PackageSetting) pkg.mExtras; 4930 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4931 } 4932 } 4933 } 4934 } 4935 4936 @Override 4937 public int getPermissionFlags(String name, String packageName, int userId) { 4938 if (!sUserManager.exists(userId)) { 4939 return 0; 4940 } 4941 4942 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4943 4944 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4945 true /* requireFullPermission */, false /* checkShell */, 4946 "getPermissionFlags"); 4947 4948 synchronized (mPackages) { 4949 final PackageParser.Package pkg = mPackages.get(packageName); 4950 if (pkg == null) { 4951 return 0; 4952 } 4953 4954 final BasePermission bp = mSettings.mPermissions.get(name); 4955 if (bp == null) { 4956 return 0; 4957 } 4958 4959 SettingBase sb = (SettingBase) pkg.mExtras; 4960 if (sb == null) { 4961 return 0; 4962 } 4963 4964 PermissionsState permissionsState = sb.getPermissionsState(); 4965 return permissionsState.getPermissionFlags(name, userId); 4966 } 4967 } 4968 4969 @Override 4970 public void updatePermissionFlags(String name, String packageName, int flagMask, 4971 int flagValues, int userId) { 4972 if (!sUserManager.exists(userId)) { 4973 return; 4974 } 4975 4976 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4977 4978 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4979 true /* requireFullPermission */, true /* checkShell */, 4980 "updatePermissionFlags"); 4981 4982 // Only the system can change these flags and nothing else. 4983 if (getCallingUid() != Process.SYSTEM_UID) { 4984 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4985 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4986 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4987 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4988 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4989 } 4990 4991 synchronized (mPackages) { 4992 final PackageParser.Package pkg = mPackages.get(packageName); 4993 if (pkg == null) { 4994 throw new IllegalArgumentException("Unknown package: " + packageName); 4995 } 4996 4997 final BasePermission bp = mSettings.mPermissions.get(name); 4998 if (bp == null) { 4999 throw new IllegalArgumentException("Unknown permission: " + name); 5000 } 5001 5002 SettingBase sb = (SettingBase) pkg.mExtras; 5003 if (sb == null) { 5004 throw new IllegalArgumentException("Unknown package: " + packageName); 5005 } 5006 5007 PermissionsState permissionsState = sb.getPermissionsState(); 5008 5009 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5010 5011 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5012 // Install and runtime permissions are stored in different places, 5013 // so figure out what permission changed and persist the change. 5014 if (permissionsState.getInstallPermissionState(name) != null) { 5015 scheduleWriteSettingsLocked(); 5016 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5017 || hadState) { 5018 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5019 } 5020 } 5021 } 5022 } 5023 5024 /** 5025 * Update the permission flags for all packages and runtime permissions of a user in order 5026 * to allow device or profile owner to remove POLICY_FIXED. 5027 */ 5028 @Override 5029 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5030 if (!sUserManager.exists(userId)) { 5031 return; 5032 } 5033 5034 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5035 5036 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5037 true /* requireFullPermission */, true /* checkShell */, 5038 "updatePermissionFlagsForAllApps"); 5039 5040 // Only the system can change system fixed flags. 5041 if (getCallingUid() != Process.SYSTEM_UID) { 5042 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5043 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5044 } 5045 5046 synchronized (mPackages) { 5047 boolean changed = false; 5048 final int packageCount = mPackages.size(); 5049 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5050 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5051 SettingBase sb = (SettingBase) pkg.mExtras; 5052 if (sb == null) { 5053 continue; 5054 } 5055 PermissionsState permissionsState = sb.getPermissionsState(); 5056 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5057 userId, flagMask, flagValues); 5058 } 5059 if (changed) { 5060 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5061 } 5062 } 5063 } 5064 5065 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5066 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5067 != PackageManager.PERMISSION_GRANTED 5068 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5069 != PackageManager.PERMISSION_GRANTED) { 5070 throw new SecurityException(message + " requires " 5071 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5072 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5073 } 5074 } 5075 5076 @Override 5077 public boolean shouldShowRequestPermissionRationale(String permissionName, 5078 String packageName, int userId) { 5079 if (UserHandle.getCallingUserId() != userId) { 5080 mContext.enforceCallingPermission( 5081 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5082 "canShowRequestPermissionRationale for user " + userId); 5083 } 5084 5085 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5086 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5087 return false; 5088 } 5089 5090 if (checkPermission(permissionName, packageName, userId) 5091 == PackageManager.PERMISSION_GRANTED) { 5092 return false; 5093 } 5094 5095 final int flags; 5096 5097 final long identity = Binder.clearCallingIdentity(); 5098 try { 5099 flags = getPermissionFlags(permissionName, 5100 packageName, userId); 5101 } finally { 5102 Binder.restoreCallingIdentity(identity); 5103 } 5104 5105 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5106 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5107 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5108 5109 if ((flags & fixedFlags) != 0) { 5110 return false; 5111 } 5112 5113 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5114 } 5115 5116 @Override 5117 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5118 mContext.enforceCallingOrSelfPermission( 5119 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5120 "addOnPermissionsChangeListener"); 5121 5122 synchronized (mPackages) { 5123 mOnPermissionChangeListeners.addListenerLocked(listener); 5124 } 5125 } 5126 5127 @Override 5128 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5129 synchronized (mPackages) { 5130 mOnPermissionChangeListeners.removeListenerLocked(listener); 5131 } 5132 } 5133 5134 @Override 5135 public boolean isProtectedBroadcast(String actionName) { 5136 synchronized (mPackages) { 5137 if (mProtectedBroadcasts.contains(actionName)) { 5138 return true; 5139 } else if (actionName != null) { 5140 // TODO: remove these terrible hacks 5141 if (actionName.startsWith("android.net.netmon.lingerExpired") 5142 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5143 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5144 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5145 return true; 5146 } 5147 } 5148 } 5149 return false; 5150 } 5151 5152 @Override 5153 public int checkSignatures(String pkg1, String pkg2) { 5154 synchronized (mPackages) { 5155 final PackageParser.Package p1 = mPackages.get(pkg1); 5156 final PackageParser.Package p2 = mPackages.get(pkg2); 5157 if (p1 == null || p1.mExtras == null 5158 || p2 == null || p2.mExtras == null) { 5159 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5160 } 5161 return compareSignatures(p1.mSignatures, p2.mSignatures); 5162 } 5163 } 5164 5165 @Override 5166 public int checkUidSignatures(int uid1, int uid2) { 5167 // Map to base uids. 5168 uid1 = UserHandle.getAppId(uid1); 5169 uid2 = UserHandle.getAppId(uid2); 5170 // reader 5171 synchronized (mPackages) { 5172 Signature[] s1; 5173 Signature[] s2; 5174 Object obj = mSettings.getUserIdLPr(uid1); 5175 if (obj != null) { 5176 if (obj instanceof SharedUserSetting) { 5177 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5178 } else if (obj instanceof PackageSetting) { 5179 s1 = ((PackageSetting)obj).signatures.mSignatures; 5180 } else { 5181 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5182 } 5183 } else { 5184 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5185 } 5186 obj = mSettings.getUserIdLPr(uid2); 5187 if (obj != null) { 5188 if (obj instanceof SharedUserSetting) { 5189 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5190 } else if (obj instanceof PackageSetting) { 5191 s2 = ((PackageSetting)obj).signatures.mSignatures; 5192 } else { 5193 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5194 } 5195 } else { 5196 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5197 } 5198 return compareSignatures(s1, s2); 5199 } 5200 } 5201 5202 /** 5203 * This method should typically only be used when granting or revoking 5204 * permissions, since the app may immediately restart after this call. 5205 * <p> 5206 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5207 * guard your work against the app being relaunched. 5208 */ 5209 private void killUid(int appId, int userId, String reason) { 5210 final long identity = Binder.clearCallingIdentity(); 5211 try { 5212 IActivityManager am = ActivityManager.getService(); 5213 if (am != null) { 5214 try { 5215 am.killUid(appId, userId, reason); 5216 } catch (RemoteException e) { 5217 /* ignore - same process */ 5218 } 5219 } 5220 } finally { 5221 Binder.restoreCallingIdentity(identity); 5222 } 5223 } 5224 5225 /** 5226 * Compares two sets of signatures. Returns: 5227 * <br /> 5228 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5229 * <br /> 5230 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5231 * <br /> 5232 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5233 * <br /> 5234 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5235 * <br /> 5236 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5237 */ 5238 static int compareSignatures(Signature[] s1, Signature[] s2) { 5239 if (s1 == null) { 5240 return s2 == null 5241 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5242 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5243 } 5244 5245 if (s2 == null) { 5246 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5247 } 5248 5249 if (s1.length != s2.length) { 5250 return PackageManager.SIGNATURE_NO_MATCH; 5251 } 5252 5253 // Since both signature sets are of size 1, we can compare without HashSets. 5254 if (s1.length == 1) { 5255 return s1[0].equals(s2[0]) ? 5256 PackageManager.SIGNATURE_MATCH : 5257 PackageManager.SIGNATURE_NO_MATCH; 5258 } 5259 5260 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5261 for (Signature sig : s1) { 5262 set1.add(sig); 5263 } 5264 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5265 for (Signature sig : s2) { 5266 set2.add(sig); 5267 } 5268 // Make sure s2 contains all signatures in s1. 5269 if (set1.equals(set2)) { 5270 return PackageManager.SIGNATURE_MATCH; 5271 } 5272 return PackageManager.SIGNATURE_NO_MATCH; 5273 } 5274 5275 /** 5276 * If the database version for this type of package (internal storage or 5277 * external storage) is less than the version where package signatures 5278 * were updated, return true. 5279 */ 5280 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5281 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5282 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5283 } 5284 5285 /** 5286 * Used for backward compatibility to make sure any packages with 5287 * certificate chains get upgraded to the new style. {@code existingSigs} 5288 * will be in the old format (since they were stored on disk from before the 5289 * system upgrade) and {@code scannedSigs} will be in the newer format. 5290 */ 5291 private int compareSignaturesCompat(PackageSignatures existingSigs, 5292 PackageParser.Package scannedPkg) { 5293 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5294 return PackageManager.SIGNATURE_NO_MATCH; 5295 } 5296 5297 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5298 for (Signature sig : existingSigs.mSignatures) { 5299 existingSet.add(sig); 5300 } 5301 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5302 for (Signature sig : scannedPkg.mSignatures) { 5303 try { 5304 Signature[] chainSignatures = sig.getChainSignatures(); 5305 for (Signature chainSig : chainSignatures) { 5306 scannedCompatSet.add(chainSig); 5307 } 5308 } catch (CertificateEncodingException e) { 5309 scannedCompatSet.add(sig); 5310 } 5311 } 5312 /* 5313 * Make sure the expanded scanned set contains all signatures in the 5314 * existing one. 5315 */ 5316 if (scannedCompatSet.equals(existingSet)) { 5317 // Migrate the old signatures to the new scheme. 5318 existingSigs.assignSignatures(scannedPkg.mSignatures); 5319 // The new KeySets will be re-added later in the scanning process. 5320 synchronized (mPackages) { 5321 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5322 } 5323 return PackageManager.SIGNATURE_MATCH; 5324 } 5325 return PackageManager.SIGNATURE_NO_MATCH; 5326 } 5327 5328 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5329 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5330 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5331 } 5332 5333 private int compareSignaturesRecover(PackageSignatures existingSigs, 5334 PackageParser.Package scannedPkg) { 5335 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5336 return PackageManager.SIGNATURE_NO_MATCH; 5337 } 5338 5339 String msg = null; 5340 try { 5341 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5342 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5343 + scannedPkg.packageName); 5344 return PackageManager.SIGNATURE_MATCH; 5345 } 5346 } catch (CertificateException e) { 5347 msg = e.getMessage(); 5348 } 5349 5350 logCriticalInfo(Log.INFO, 5351 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5352 return PackageManager.SIGNATURE_NO_MATCH; 5353 } 5354 5355 @Override 5356 public List<String> getAllPackages() { 5357 synchronized (mPackages) { 5358 return new ArrayList<String>(mPackages.keySet()); 5359 } 5360 } 5361 5362 @Override 5363 public String[] getPackagesForUid(int uid) { 5364 final int userId = UserHandle.getUserId(uid); 5365 uid = UserHandle.getAppId(uid); 5366 // reader 5367 synchronized (mPackages) { 5368 Object obj = mSettings.getUserIdLPr(uid); 5369 if (obj instanceof SharedUserSetting) { 5370 final SharedUserSetting sus = (SharedUserSetting) obj; 5371 final int N = sus.packages.size(); 5372 String[] res = new String[N]; 5373 final Iterator<PackageSetting> it = sus.packages.iterator(); 5374 int i = 0; 5375 while (it.hasNext()) { 5376 PackageSetting ps = it.next(); 5377 if (ps.getInstalled(userId)) { 5378 res[i++] = ps.name; 5379 } else { 5380 res = ArrayUtils.removeElement(String.class, res, res[i]); 5381 } 5382 } 5383 return res; 5384 } else if (obj instanceof PackageSetting) { 5385 final PackageSetting ps = (PackageSetting) obj; 5386 if (ps.getInstalled(userId)) { 5387 return new String[]{ps.name}; 5388 } 5389 } 5390 } 5391 return null; 5392 } 5393 5394 @Override 5395 public String getNameForUid(int uid) { 5396 // reader 5397 synchronized (mPackages) { 5398 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5399 if (obj instanceof SharedUserSetting) { 5400 final SharedUserSetting sus = (SharedUserSetting) obj; 5401 return sus.name + ":" + sus.userId; 5402 } else if (obj instanceof PackageSetting) { 5403 final PackageSetting ps = (PackageSetting) obj; 5404 return ps.name; 5405 } 5406 } 5407 return null; 5408 } 5409 5410 @Override 5411 public int getUidForSharedUser(String sharedUserName) { 5412 if(sharedUserName == null) { 5413 return -1; 5414 } 5415 // reader 5416 synchronized (mPackages) { 5417 SharedUserSetting suid; 5418 try { 5419 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5420 if (suid != null) { 5421 return suid.userId; 5422 } 5423 } catch (PackageManagerException ignore) { 5424 // can't happen, but, still need to catch it 5425 } 5426 return -1; 5427 } 5428 } 5429 5430 @Override 5431 public int getFlagsForUid(int uid) { 5432 synchronized (mPackages) { 5433 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5434 if (obj instanceof SharedUserSetting) { 5435 final SharedUserSetting sus = (SharedUserSetting) obj; 5436 return sus.pkgFlags; 5437 } else if (obj instanceof PackageSetting) { 5438 final PackageSetting ps = (PackageSetting) obj; 5439 return ps.pkgFlags; 5440 } 5441 } 5442 return 0; 5443 } 5444 5445 @Override 5446 public int getPrivateFlagsForUid(int uid) { 5447 synchronized (mPackages) { 5448 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5449 if (obj instanceof SharedUserSetting) { 5450 final SharedUserSetting sus = (SharedUserSetting) obj; 5451 return sus.pkgPrivateFlags; 5452 } else if (obj instanceof PackageSetting) { 5453 final PackageSetting ps = (PackageSetting) obj; 5454 return ps.pkgPrivateFlags; 5455 } 5456 } 5457 return 0; 5458 } 5459 5460 @Override 5461 public boolean isUidPrivileged(int uid) { 5462 uid = UserHandle.getAppId(uid); 5463 // reader 5464 synchronized (mPackages) { 5465 Object obj = mSettings.getUserIdLPr(uid); 5466 if (obj instanceof SharedUserSetting) { 5467 final SharedUserSetting sus = (SharedUserSetting) obj; 5468 final Iterator<PackageSetting> it = sus.packages.iterator(); 5469 while (it.hasNext()) { 5470 if (it.next().isPrivileged()) { 5471 return true; 5472 } 5473 } 5474 } else if (obj instanceof PackageSetting) { 5475 final PackageSetting ps = (PackageSetting) obj; 5476 return ps.isPrivileged(); 5477 } 5478 } 5479 return false; 5480 } 5481 5482 @Override 5483 public String[] getAppOpPermissionPackages(String permissionName) { 5484 synchronized (mPackages) { 5485 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5486 if (pkgs == null) { 5487 return null; 5488 } 5489 return pkgs.toArray(new String[pkgs.size()]); 5490 } 5491 } 5492 5493 @Override 5494 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5495 int flags, int userId) { 5496 try { 5497 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5498 5499 if (!sUserManager.exists(userId)) return null; 5500 flags = updateFlagsForResolve(flags, userId, intent); 5501 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5502 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5503 5504 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5505 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5506 flags, userId); 5507 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5508 5509 final ResolveInfo bestChoice = 5510 chooseBestActivity(intent, resolvedType, flags, query, userId); 5511 return bestChoice; 5512 } finally { 5513 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5514 } 5515 } 5516 5517 @Override 5518 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5519 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5520 throw new SecurityException( 5521 "findPersistentPreferredActivity can only be run by the system"); 5522 } 5523 if (!sUserManager.exists(userId)) { 5524 return null; 5525 } 5526 intent = updateIntentForResolve(intent); 5527 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5528 final int flags = updateFlagsForResolve(0, userId, intent); 5529 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5530 userId); 5531 synchronized (mPackages) { 5532 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5533 userId); 5534 } 5535 } 5536 5537 @Override 5538 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5539 IntentFilter filter, int match, ComponentName activity) { 5540 final int userId = UserHandle.getCallingUserId(); 5541 if (DEBUG_PREFERRED) { 5542 Log.v(TAG, "setLastChosenActivity intent=" + intent 5543 + " resolvedType=" + resolvedType 5544 + " flags=" + flags 5545 + " filter=" + filter 5546 + " match=" + match 5547 + " activity=" + activity); 5548 filter.dump(new PrintStreamPrinter(System.out), " "); 5549 } 5550 intent.setComponent(null); 5551 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5552 userId); 5553 // Find any earlier preferred or last chosen entries and nuke them 5554 findPreferredActivity(intent, resolvedType, 5555 flags, query, 0, false, true, false, userId); 5556 // Add the new activity as the last chosen for this filter 5557 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5558 "Setting last chosen"); 5559 } 5560 5561 @Override 5562 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5563 final int userId = UserHandle.getCallingUserId(); 5564 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5565 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5566 userId); 5567 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5568 false, false, false, userId); 5569 } 5570 5571 private boolean isEphemeralDisabled() { 5572 // ephemeral apps have been disabled across the board 5573 if (DISABLE_EPHEMERAL_APPS) { 5574 return true; 5575 } 5576 // system isn't up yet; can't read settings, so, assume no ephemeral apps 5577 if (!mSystemReady) { 5578 return true; 5579 } 5580 // we can't get a content resolver until the system is ready; these checks must happen last 5581 final ContentResolver resolver = mContext.getContentResolver(); 5582 if (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) { 5583 return true; 5584 } 5585 return Secure.getInt(resolver, Secure.WEB_ACTION_ENABLED, 1) == 0; 5586 } 5587 5588 private boolean isEphemeralAllowed( 5589 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5590 boolean skipPackageCheck) { 5591 // Short circuit and return early if possible. 5592 if (isEphemeralDisabled()) { 5593 return false; 5594 } 5595 final int callingUser = UserHandle.getCallingUserId(); 5596 if (callingUser != UserHandle.USER_SYSTEM) { 5597 return false; 5598 } 5599 if (mEphemeralResolverConnection == null) { 5600 return false; 5601 } 5602 if (mEphemeralInstallerComponent == null) { 5603 return false; 5604 } 5605 if (intent.getComponent() != null) { 5606 return false; 5607 } 5608 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5609 return false; 5610 } 5611 if (!skipPackageCheck && intent.getPackage() != null) { 5612 return false; 5613 } 5614 final boolean isWebUri = hasWebURI(intent); 5615 if (!isWebUri || intent.getData().getHost() == null) { 5616 return false; 5617 } 5618 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5619 synchronized (mPackages) { 5620 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5621 for (int n = 0; n < count; n++) { 5622 ResolveInfo info = resolvedActivities.get(n); 5623 String packageName = info.activityInfo.packageName; 5624 PackageSetting ps = mSettings.mPackages.get(packageName); 5625 if (ps != null) { 5626 // Try to get the status from User settings first 5627 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5628 int status = (int) (packedStatus >> 32); 5629 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5630 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5631 if (DEBUG_EPHEMERAL) { 5632 Slog.v(TAG, "DENY ephemeral apps;" 5633 + " pkg: " + packageName + ", status: " + status); 5634 } 5635 return false; 5636 } 5637 } 5638 } 5639 } 5640 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5641 return true; 5642 } 5643 5644 private void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 5645 Intent origIntent, String resolvedType, Intent launchIntent, String callingPackage, 5646 int userId) { 5647 final Message msg = mHandler.obtainMessage(EPHEMERAL_RESOLUTION_PHASE_TWO, 5648 new EphemeralRequest(responseObj, origIntent, resolvedType, launchIntent, 5649 callingPackage, userId)); 5650 mHandler.sendMessage(msg); 5651 } 5652 5653 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5654 int flags, List<ResolveInfo> query, int userId) { 5655 if (query != null) { 5656 final int N = query.size(); 5657 if (N == 1) { 5658 return query.get(0); 5659 } else if (N > 1) { 5660 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5661 // If there is more than one activity with the same priority, 5662 // then let the user decide between them. 5663 ResolveInfo r0 = query.get(0); 5664 ResolveInfo r1 = query.get(1); 5665 if (DEBUG_INTENT_MATCHING || debug) { 5666 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5667 + r1.activityInfo.name + "=" + r1.priority); 5668 } 5669 // If the first activity has a higher priority, or a different 5670 // default, then it is always desirable to pick it. 5671 if (r0.priority != r1.priority 5672 || r0.preferredOrder != r1.preferredOrder 5673 || r0.isDefault != r1.isDefault) { 5674 return query.get(0); 5675 } 5676 // If we have saved a preference for a preferred activity for 5677 // this Intent, use that. 5678 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5679 flags, query, r0.priority, true, false, debug, userId); 5680 if (ri != null) { 5681 return ri; 5682 } 5683 ri = new ResolveInfo(mResolveInfo); 5684 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5685 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5686 // If all of the options come from the same package, show the application's 5687 // label and icon instead of the generic resolver's. 5688 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5689 // and then throw away the ResolveInfo itself, meaning that the caller loses 5690 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5691 // a fallback for this case; we only set the target package's resources on 5692 // the ResolveInfo, not the ActivityInfo. 5693 final String intentPackage = intent.getPackage(); 5694 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5695 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5696 ri.resolvePackageName = intentPackage; 5697 if (userNeedsBadging(userId)) { 5698 ri.noResourceId = true; 5699 } else { 5700 ri.icon = appi.icon; 5701 } 5702 ri.iconResourceId = appi.icon; 5703 ri.labelRes = appi.labelRes; 5704 } 5705 ri.activityInfo.applicationInfo = new ApplicationInfo( 5706 ri.activityInfo.applicationInfo); 5707 if (userId != 0) { 5708 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5709 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5710 } 5711 // Make sure that the resolver is displayable in car mode 5712 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5713 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5714 return ri; 5715 } 5716 } 5717 return null; 5718 } 5719 5720 /** 5721 * Return true if the given list is not empty and all of its contents have 5722 * an activityInfo with the given package name. 5723 */ 5724 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5725 if (ArrayUtils.isEmpty(list)) { 5726 return false; 5727 } 5728 for (int i = 0, N = list.size(); i < N; i++) { 5729 final ResolveInfo ri = list.get(i); 5730 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5731 if (ai == null || !packageName.equals(ai.packageName)) { 5732 return false; 5733 } 5734 } 5735 return true; 5736 } 5737 5738 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5739 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5740 final int N = query.size(); 5741 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5742 .get(userId); 5743 // Get the list of persistent preferred activities that handle the intent 5744 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5745 List<PersistentPreferredActivity> pprefs = ppir != null 5746 ? ppir.queryIntent(intent, resolvedType, 5747 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5748 userId) 5749 : null; 5750 if (pprefs != null && pprefs.size() > 0) { 5751 final int M = pprefs.size(); 5752 for (int i=0; i<M; i++) { 5753 final PersistentPreferredActivity ppa = pprefs.get(i); 5754 if (DEBUG_PREFERRED || debug) { 5755 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5756 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5757 + "\n component=" + ppa.mComponent); 5758 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5759 } 5760 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5761 flags | MATCH_DISABLED_COMPONENTS, userId); 5762 if (DEBUG_PREFERRED || debug) { 5763 Slog.v(TAG, "Found persistent preferred activity:"); 5764 if (ai != null) { 5765 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5766 } else { 5767 Slog.v(TAG, " null"); 5768 } 5769 } 5770 if (ai == null) { 5771 // This previously registered persistent preferred activity 5772 // component is no longer known. Ignore it and do NOT remove it. 5773 continue; 5774 } 5775 for (int j=0; j<N; j++) { 5776 final ResolveInfo ri = query.get(j); 5777 if (!ri.activityInfo.applicationInfo.packageName 5778 .equals(ai.applicationInfo.packageName)) { 5779 continue; 5780 } 5781 if (!ri.activityInfo.name.equals(ai.name)) { 5782 continue; 5783 } 5784 // Found a persistent preference that can handle the intent. 5785 if (DEBUG_PREFERRED || debug) { 5786 Slog.v(TAG, "Returning persistent preferred activity: " + 5787 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5788 } 5789 return ri; 5790 } 5791 } 5792 } 5793 return null; 5794 } 5795 5796 // TODO: handle preferred activities missing while user has amnesia 5797 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5798 List<ResolveInfo> query, int priority, boolean always, 5799 boolean removeMatches, boolean debug, int userId) { 5800 if (!sUserManager.exists(userId)) return null; 5801 flags = updateFlagsForResolve(flags, userId, intent); 5802 intent = updateIntentForResolve(intent); 5803 // writer 5804 synchronized (mPackages) { 5805 // Try to find a matching persistent preferred activity. 5806 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5807 debug, userId); 5808 5809 // If a persistent preferred activity matched, use it. 5810 if (pri != null) { 5811 return pri; 5812 } 5813 5814 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5815 // Get the list of preferred activities that handle the intent 5816 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5817 List<PreferredActivity> prefs = pir != null 5818 ? pir.queryIntent(intent, resolvedType, 5819 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5820 userId) 5821 : null; 5822 if (prefs != null && prefs.size() > 0) { 5823 boolean changed = false; 5824 try { 5825 // First figure out how good the original match set is. 5826 // We will only allow preferred activities that came 5827 // from the same match quality. 5828 int match = 0; 5829 5830 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5831 5832 final int N = query.size(); 5833 for (int j=0; j<N; j++) { 5834 final ResolveInfo ri = query.get(j); 5835 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5836 + ": 0x" + Integer.toHexString(match)); 5837 if (ri.match > match) { 5838 match = ri.match; 5839 } 5840 } 5841 5842 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5843 + Integer.toHexString(match)); 5844 5845 match &= IntentFilter.MATCH_CATEGORY_MASK; 5846 final int M = prefs.size(); 5847 for (int i=0; i<M; i++) { 5848 final PreferredActivity pa = prefs.get(i); 5849 if (DEBUG_PREFERRED || debug) { 5850 Slog.v(TAG, "Checking PreferredActivity ds=" 5851 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5852 + "\n component=" + pa.mPref.mComponent); 5853 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5854 } 5855 if (pa.mPref.mMatch != match) { 5856 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5857 + Integer.toHexString(pa.mPref.mMatch)); 5858 continue; 5859 } 5860 // If it's not an "always" type preferred activity and that's what we're 5861 // looking for, skip it. 5862 if (always && !pa.mPref.mAlways) { 5863 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5864 continue; 5865 } 5866 final ActivityInfo ai = getActivityInfo( 5867 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5868 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5869 userId); 5870 if (DEBUG_PREFERRED || debug) { 5871 Slog.v(TAG, "Found preferred activity:"); 5872 if (ai != null) { 5873 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5874 } else { 5875 Slog.v(TAG, " null"); 5876 } 5877 } 5878 if (ai == null) { 5879 // This previously registered preferred activity 5880 // component is no longer known. Most likely an update 5881 // to the app was installed and in the new version this 5882 // component no longer exists. Clean it up by removing 5883 // it from the preferred activities list, and skip it. 5884 Slog.w(TAG, "Removing dangling preferred activity: " 5885 + pa.mPref.mComponent); 5886 pir.removeFilter(pa); 5887 changed = true; 5888 continue; 5889 } 5890 for (int j=0; j<N; j++) { 5891 final ResolveInfo ri = query.get(j); 5892 if (!ri.activityInfo.applicationInfo.packageName 5893 .equals(ai.applicationInfo.packageName)) { 5894 continue; 5895 } 5896 if (!ri.activityInfo.name.equals(ai.name)) { 5897 continue; 5898 } 5899 5900 if (removeMatches) { 5901 pir.removeFilter(pa); 5902 changed = true; 5903 if (DEBUG_PREFERRED) { 5904 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5905 } 5906 break; 5907 } 5908 5909 // Okay we found a previously set preferred or last chosen app. 5910 // If the result set is different from when this 5911 // was created, we need to clear it and re-ask the 5912 // user their preference, if we're looking for an "always" type entry. 5913 if (always && !pa.mPref.sameSet(query)) { 5914 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5915 + intent + " type " + resolvedType); 5916 if (DEBUG_PREFERRED) { 5917 Slog.v(TAG, "Removing preferred activity since set changed " 5918 + pa.mPref.mComponent); 5919 } 5920 pir.removeFilter(pa); 5921 // Re-add the filter as a "last chosen" entry (!always) 5922 PreferredActivity lastChosen = new PreferredActivity( 5923 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5924 pir.addFilter(lastChosen); 5925 changed = true; 5926 return null; 5927 } 5928 5929 // Yay! Either the set matched or we're looking for the last chosen 5930 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5931 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5932 return ri; 5933 } 5934 } 5935 } finally { 5936 if (changed) { 5937 if (DEBUG_PREFERRED) { 5938 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5939 } 5940 scheduleWritePackageRestrictionsLocked(userId); 5941 } 5942 } 5943 } 5944 } 5945 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5946 return null; 5947 } 5948 5949 /* 5950 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5951 */ 5952 @Override 5953 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5954 int targetUserId) { 5955 mContext.enforceCallingOrSelfPermission( 5956 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5957 List<CrossProfileIntentFilter> matches = 5958 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5959 if (matches != null) { 5960 int size = matches.size(); 5961 for (int i = 0; i < size; i++) { 5962 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5963 } 5964 } 5965 if (hasWebURI(intent)) { 5966 // cross-profile app linking works only towards the parent. 5967 final UserInfo parent = getProfileParent(sourceUserId); 5968 synchronized(mPackages) { 5969 int flags = updateFlagsForResolve(0, parent.id, intent); 5970 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5971 intent, resolvedType, flags, sourceUserId, parent.id); 5972 return xpDomainInfo != null; 5973 } 5974 } 5975 return false; 5976 } 5977 5978 private UserInfo getProfileParent(int userId) { 5979 final long identity = Binder.clearCallingIdentity(); 5980 try { 5981 return sUserManager.getProfileParent(userId); 5982 } finally { 5983 Binder.restoreCallingIdentity(identity); 5984 } 5985 } 5986 5987 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5988 String resolvedType, int userId) { 5989 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5990 if (resolver != null) { 5991 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 5992 } 5993 return null; 5994 } 5995 5996 @Override 5997 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5998 String resolvedType, int flags, int userId) { 5999 try { 6000 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6001 6002 return new ParceledListSlice<>( 6003 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6004 } finally { 6005 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6006 } 6007 } 6008 6009 /** 6010 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6011 * instant, returns {@code null}. 6012 */ 6013 private String getInstantAppPackageName(int callingUid) { 6014 final int appId = UserHandle.getAppId(callingUid); 6015 synchronized (mPackages) { 6016 final Object obj = mSettings.getUserIdLPr(appId); 6017 if (obj instanceof PackageSetting) { 6018 final PackageSetting ps = (PackageSetting) obj; 6019 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6020 return isInstantApp ? ps.pkg.packageName : null; 6021 } 6022 } 6023 return null; 6024 } 6025 6026 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6027 String resolvedType, int flags, int userId) { 6028 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6029 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 6030 flags = updateFlagsForResolve(flags, userId, intent); 6031 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6032 false /* requireFullPermission */, false /* checkShell */, 6033 "query intent activities"); 6034 ComponentName comp = intent.getComponent(); 6035 if (comp == null) { 6036 if (intent.getSelector() != null) { 6037 intent = intent.getSelector(); 6038 comp = intent.getComponent(); 6039 } 6040 } 6041 6042 if (comp != null) { 6043 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6044 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6045 if (ai != null) { 6046 // When specifying an explicit component, we prevent the activity from being 6047 // used when either 1) the calling package is normal and the activity is within 6048 // an ephemeral application or 2) the calling package is ephemeral and the 6049 // activity is not visible to ephemeral applications. 6050 boolean matchEphemeral = 6051 (flags & PackageManager.MATCH_INSTANT) != 0; 6052 boolean ephemeralVisibleOnly = 6053 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6054 boolean blockResolution = 6055 (!matchEphemeral && instantAppPkgName == null 6056 && (ai.applicationInfo.privateFlags 6057 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0) 6058 || (ephemeralVisibleOnly && instantAppPkgName != null 6059 && (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0); 6060 if (!blockResolution) { 6061 final ResolveInfo ri = new ResolveInfo(); 6062 ri.activityInfo = ai; 6063 list.add(ri); 6064 } 6065 } 6066 return list; 6067 } 6068 6069 // reader 6070 boolean sortResult = false; 6071 boolean addEphemeral = false; 6072 List<ResolveInfo> result; 6073 final String pkgName = intent.getPackage(); 6074 synchronized (mPackages) { 6075 if (pkgName == null) { 6076 List<CrossProfileIntentFilter> matchingFilters = 6077 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6078 // Check for results that need to skip the current profile. 6079 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6080 resolvedType, flags, userId); 6081 if (xpResolveInfo != null) { 6082 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6083 xpResult.add(xpResolveInfo); 6084 return filterForEphemeral( 6085 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6086 } 6087 6088 // Check for results in the current profile. 6089 result = filterIfNotSystemUser(mActivities.queryIntent( 6090 intent, resolvedType, flags, userId), userId); 6091 addEphemeral = 6092 isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6093 6094 // Check for cross profile results. 6095 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6096 xpResolveInfo = queryCrossProfileIntents( 6097 matchingFilters, intent, resolvedType, flags, userId, 6098 hasNonNegativePriorityResult); 6099 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6100 boolean isVisibleToUser = filterIfNotSystemUser( 6101 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6102 if (isVisibleToUser) { 6103 result.add(xpResolveInfo); 6104 sortResult = true; 6105 } 6106 } 6107 if (hasWebURI(intent)) { 6108 CrossProfileDomainInfo xpDomainInfo = null; 6109 final UserInfo parent = getProfileParent(userId); 6110 if (parent != null) { 6111 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6112 flags, userId, parent.id); 6113 } 6114 if (xpDomainInfo != null) { 6115 if (xpResolveInfo != null) { 6116 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6117 // in the result. 6118 result.remove(xpResolveInfo); 6119 } 6120 if (result.size() == 0 && !addEphemeral) { 6121 // No result in current profile, but found candidate in parent user. 6122 // And we are not going to add emphemeral app, so we can return the 6123 // result straight away. 6124 result.add(xpDomainInfo.resolveInfo); 6125 return filterForEphemeral(result, instantAppPkgName); 6126 } 6127 } else if (result.size() <= 1 && !addEphemeral) { 6128 // No result in parent user and <= 1 result in current profile, and we 6129 // are not going to add emphemeral app, so we can return the result without 6130 // further processing. 6131 return filterForEphemeral(result, instantAppPkgName); 6132 } 6133 // We have more than one candidate (combining results from current and parent 6134 // profile), so we need filtering and sorting. 6135 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6136 intent, flags, result, xpDomainInfo, userId); 6137 sortResult = true; 6138 } 6139 } else { 6140 final PackageParser.Package pkg = mPackages.get(pkgName); 6141 if (pkg != null) { 6142 result = filterForEphemeral(filterIfNotSystemUser( 6143 mActivities.queryIntentForPackage( 6144 intent, resolvedType, flags, pkg.activities, userId), 6145 userId), instantAppPkgName); 6146 } else { 6147 // the caller wants to resolve for a particular package; however, there 6148 // were no installed results, so, try to find an ephemeral result 6149 addEphemeral = isEphemeralAllowed( 6150 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6151 result = new ArrayList<ResolveInfo>(); 6152 } 6153 } 6154 } 6155 if (addEphemeral) { 6156 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6157 final EphemeralRequest requestObject = new EphemeralRequest( 6158 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6159 null /*launchIntent*/, null /*callingPackage*/, userId); 6160 final EphemeralResponse intentInfo = EphemeralResolver.doEphemeralResolutionPhaseOne( 6161 mContext, mEphemeralResolverConnection, requestObject); 6162 if (intentInfo != null) { 6163 if (DEBUG_EPHEMERAL) { 6164 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6165 } 6166 final ResolveInfo ephemeralInstaller = new ResolveInfo(mEphemeralInstallerInfo); 6167 ephemeralInstaller.ephemeralResponse = intentInfo; 6168 // make sure this resolver is the default 6169 ephemeralInstaller.isDefault = true; 6170 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6171 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6172 // add a non-generic filter 6173 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6174 ephemeralInstaller.filter.addDataPath( 6175 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6176 result.add(ephemeralInstaller); 6177 } 6178 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6179 } 6180 if (sortResult) { 6181 Collections.sort(result, mResolvePrioritySorter); 6182 } 6183 return filterForEphemeral(result, instantAppPkgName); 6184 } 6185 6186 private static class CrossProfileDomainInfo { 6187 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6188 ResolveInfo resolveInfo; 6189 /* Best domain verification status of the activities found in the other profile */ 6190 int bestDomainVerificationStatus; 6191 } 6192 6193 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6194 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6195 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6196 sourceUserId)) { 6197 return null; 6198 } 6199 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6200 resolvedType, flags, parentUserId); 6201 6202 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6203 return null; 6204 } 6205 CrossProfileDomainInfo result = null; 6206 int size = resultTargetUser.size(); 6207 for (int i = 0; i < size; i++) { 6208 ResolveInfo riTargetUser = resultTargetUser.get(i); 6209 // Intent filter verification is only for filters that specify a host. So don't return 6210 // those that handle all web uris. 6211 if (riTargetUser.handleAllWebDataURI) { 6212 continue; 6213 } 6214 String packageName = riTargetUser.activityInfo.packageName; 6215 PackageSetting ps = mSettings.mPackages.get(packageName); 6216 if (ps == null) { 6217 continue; 6218 } 6219 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6220 int status = (int)(verificationState >> 32); 6221 if (result == null) { 6222 result = new CrossProfileDomainInfo(); 6223 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6224 sourceUserId, parentUserId); 6225 result.bestDomainVerificationStatus = status; 6226 } else { 6227 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6228 result.bestDomainVerificationStatus); 6229 } 6230 } 6231 // Don't consider matches with status NEVER across profiles. 6232 if (result != null && result.bestDomainVerificationStatus 6233 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6234 return null; 6235 } 6236 return result; 6237 } 6238 6239 /** 6240 * Verification statuses are ordered from the worse to the best, except for 6241 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6242 */ 6243 private int bestDomainVerificationStatus(int status1, int status2) { 6244 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6245 return status2; 6246 } 6247 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6248 return status1; 6249 } 6250 return (int) MathUtils.max(status1, status2); 6251 } 6252 6253 private boolean isUserEnabled(int userId) { 6254 long callingId = Binder.clearCallingIdentity(); 6255 try { 6256 UserInfo userInfo = sUserManager.getUserInfo(userId); 6257 return userInfo != null && userInfo.isEnabled(); 6258 } finally { 6259 Binder.restoreCallingIdentity(callingId); 6260 } 6261 } 6262 6263 /** 6264 * Filter out activities with systemUserOnly flag set, when current user is not System. 6265 * 6266 * @return filtered list 6267 */ 6268 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6269 if (userId == UserHandle.USER_SYSTEM) { 6270 return resolveInfos; 6271 } 6272 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6273 ResolveInfo info = resolveInfos.get(i); 6274 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6275 resolveInfos.remove(i); 6276 } 6277 } 6278 return resolveInfos; 6279 } 6280 6281 /** 6282 * Filters out ephemeral activities. 6283 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6284 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6285 * 6286 * @param resolveInfos The pre-filtered list of resolved activities 6287 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6288 * is performed. 6289 * @return A filtered list of resolved activities. 6290 */ 6291 private List<ResolveInfo> filterForEphemeral(List<ResolveInfo> resolveInfos, 6292 String ephemeralPkgName) { 6293 if (ephemeralPkgName == null) { 6294 return resolveInfos; 6295 } 6296 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6297 ResolveInfo info = resolveInfos.get(i); 6298 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6299 // allow activities that are defined in the provided package 6300 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6301 continue; 6302 } 6303 // allow activities that have been explicitly exposed to ephemeral apps 6304 if (!isEphemeralApp 6305 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6306 continue; 6307 } 6308 resolveInfos.remove(i); 6309 } 6310 return resolveInfos; 6311 } 6312 6313 /** 6314 * @param resolveInfos list of resolve infos in descending priority order 6315 * @return if the list contains a resolve info with non-negative priority 6316 */ 6317 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6318 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6319 } 6320 6321 private static boolean hasWebURI(Intent intent) { 6322 if (intent.getData() == null) { 6323 return false; 6324 } 6325 final String scheme = intent.getScheme(); 6326 if (TextUtils.isEmpty(scheme)) { 6327 return false; 6328 } 6329 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6330 } 6331 6332 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6333 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6334 int userId) { 6335 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6336 6337 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6338 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6339 candidates.size()); 6340 } 6341 6342 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6343 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6344 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6345 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6346 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6347 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6348 6349 synchronized (mPackages) { 6350 final int count = candidates.size(); 6351 // First, try to use linked apps. Partition the candidates into four lists: 6352 // one for the final results, one for the "do not use ever", one for "undefined status" 6353 // and finally one for "browser app type". 6354 for (int n=0; n<count; n++) { 6355 ResolveInfo info = candidates.get(n); 6356 String packageName = info.activityInfo.packageName; 6357 PackageSetting ps = mSettings.mPackages.get(packageName); 6358 if (ps != null) { 6359 // Add to the special match all list (Browser use case) 6360 if (info.handleAllWebDataURI) { 6361 matchAllList.add(info); 6362 continue; 6363 } 6364 // Try to get the status from User settings first 6365 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6366 int status = (int)(packedStatus >> 32); 6367 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6368 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6369 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6370 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6371 + " : linkgen=" + linkGeneration); 6372 } 6373 // Use link-enabled generation as preferredOrder, i.e. 6374 // prefer newly-enabled over earlier-enabled. 6375 info.preferredOrder = linkGeneration; 6376 alwaysList.add(info); 6377 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6378 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6379 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6380 } 6381 neverList.add(info); 6382 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6383 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6384 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6385 } 6386 alwaysAskList.add(info); 6387 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6388 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6389 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6390 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6391 } 6392 undefinedList.add(info); 6393 } 6394 } 6395 } 6396 6397 // We'll want to include browser possibilities in a few cases 6398 boolean includeBrowser = false; 6399 6400 // First try to add the "always" resolution(s) for the current user, if any 6401 if (alwaysList.size() > 0) { 6402 result.addAll(alwaysList); 6403 } else { 6404 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6405 result.addAll(undefinedList); 6406 // Maybe add one for the other profile. 6407 if (xpDomainInfo != null && ( 6408 xpDomainInfo.bestDomainVerificationStatus 6409 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6410 result.add(xpDomainInfo.resolveInfo); 6411 } 6412 includeBrowser = true; 6413 } 6414 6415 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6416 // If there were 'always' entries their preferred order has been set, so we also 6417 // back that off to make the alternatives equivalent 6418 if (alwaysAskList.size() > 0) { 6419 for (ResolveInfo i : result) { 6420 i.preferredOrder = 0; 6421 } 6422 result.addAll(alwaysAskList); 6423 includeBrowser = true; 6424 } 6425 6426 if (includeBrowser) { 6427 // Also add browsers (all of them or only the default one) 6428 if (DEBUG_DOMAIN_VERIFICATION) { 6429 Slog.v(TAG, " ...including browsers in candidate set"); 6430 } 6431 if ((matchFlags & MATCH_ALL) != 0) { 6432 result.addAll(matchAllList); 6433 } else { 6434 // Browser/generic handling case. If there's a default browser, go straight 6435 // to that (but only if there is no other higher-priority match). 6436 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6437 int maxMatchPrio = 0; 6438 ResolveInfo defaultBrowserMatch = null; 6439 final int numCandidates = matchAllList.size(); 6440 for (int n = 0; n < numCandidates; n++) { 6441 ResolveInfo info = matchAllList.get(n); 6442 // track the highest overall match priority... 6443 if (info.priority > maxMatchPrio) { 6444 maxMatchPrio = info.priority; 6445 } 6446 // ...and the highest-priority default browser match 6447 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6448 if (defaultBrowserMatch == null 6449 || (defaultBrowserMatch.priority < info.priority)) { 6450 if (debug) { 6451 Slog.v(TAG, "Considering default browser match " + info); 6452 } 6453 defaultBrowserMatch = info; 6454 } 6455 } 6456 } 6457 if (defaultBrowserMatch != null 6458 && defaultBrowserMatch.priority >= maxMatchPrio 6459 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6460 { 6461 if (debug) { 6462 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6463 } 6464 result.add(defaultBrowserMatch); 6465 } else { 6466 result.addAll(matchAllList); 6467 } 6468 } 6469 6470 // If there is nothing selected, add all candidates and remove the ones that the user 6471 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6472 if (result.size() == 0) { 6473 result.addAll(candidates); 6474 result.removeAll(neverList); 6475 } 6476 } 6477 } 6478 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6479 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6480 result.size()); 6481 for (ResolveInfo info : result) { 6482 Slog.v(TAG, " + " + info.activityInfo); 6483 } 6484 } 6485 return result; 6486 } 6487 6488 // Returns a packed value as a long: 6489 // 6490 // high 'int'-sized word: link status: undefined/ask/never/always. 6491 // low 'int'-sized word: relative priority among 'always' results. 6492 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6493 long result = ps.getDomainVerificationStatusForUser(userId); 6494 // if none available, get the master status 6495 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6496 if (ps.getIntentFilterVerificationInfo() != null) { 6497 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6498 } 6499 } 6500 return result; 6501 } 6502 6503 private ResolveInfo querySkipCurrentProfileIntents( 6504 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6505 int flags, int sourceUserId) { 6506 if (matchingFilters != null) { 6507 int size = matchingFilters.size(); 6508 for (int i = 0; i < size; i ++) { 6509 CrossProfileIntentFilter filter = matchingFilters.get(i); 6510 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6511 // Checking if there are activities in the target user that can handle the 6512 // intent. 6513 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6514 resolvedType, flags, sourceUserId); 6515 if (resolveInfo != null) { 6516 return resolveInfo; 6517 } 6518 } 6519 } 6520 } 6521 return null; 6522 } 6523 6524 // Return matching ResolveInfo in target user if any. 6525 private ResolveInfo queryCrossProfileIntents( 6526 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6527 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6528 if (matchingFilters != null) { 6529 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6530 // match the same intent. For performance reasons, it is better not to 6531 // run queryIntent twice for the same userId 6532 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6533 int size = matchingFilters.size(); 6534 for (int i = 0; i < size; i++) { 6535 CrossProfileIntentFilter filter = matchingFilters.get(i); 6536 int targetUserId = filter.getTargetUserId(); 6537 boolean skipCurrentProfile = 6538 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6539 boolean skipCurrentProfileIfNoMatchFound = 6540 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6541 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6542 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6543 // Checking if there are activities in the target user that can handle the 6544 // intent. 6545 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6546 resolvedType, flags, sourceUserId); 6547 if (resolveInfo != null) return resolveInfo; 6548 alreadyTriedUserIds.put(targetUserId, true); 6549 } 6550 } 6551 } 6552 return null; 6553 } 6554 6555 /** 6556 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6557 * will forward the intent to the filter's target user. 6558 * Otherwise, returns null. 6559 */ 6560 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6561 String resolvedType, int flags, int sourceUserId) { 6562 int targetUserId = filter.getTargetUserId(); 6563 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6564 resolvedType, flags, targetUserId); 6565 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6566 // If all the matches in the target profile are suspended, return null. 6567 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6568 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6569 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6570 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6571 targetUserId); 6572 } 6573 } 6574 } 6575 return null; 6576 } 6577 6578 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6579 int sourceUserId, int targetUserId) { 6580 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6581 long ident = Binder.clearCallingIdentity(); 6582 boolean targetIsProfile; 6583 try { 6584 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6585 } finally { 6586 Binder.restoreCallingIdentity(ident); 6587 } 6588 String className; 6589 if (targetIsProfile) { 6590 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6591 } else { 6592 className = FORWARD_INTENT_TO_PARENT; 6593 } 6594 ComponentName forwardingActivityComponentName = new ComponentName( 6595 mAndroidApplication.packageName, className); 6596 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6597 sourceUserId); 6598 if (!targetIsProfile) { 6599 forwardingActivityInfo.showUserIcon = targetUserId; 6600 forwardingResolveInfo.noResourceId = true; 6601 } 6602 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6603 forwardingResolveInfo.priority = 0; 6604 forwardingResolveInfo.preferredOrder = 0; 6605 forwardingResolveInfo.match = 0; 6606 forwardingResolveInfo.isDefault = true; 6607 forwardingResolveInfo.filter = filter; 6608 forwardingResolveInfo.targetUserId = targetUserId; 6609 return forwardingResolveInfo; 6610 } 6611 6612 @Override 6613 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6614 Intent[] specifics, String[] specificTypes, Intent intent, 6615 String resolvedType, int flags, int userId) { 6616 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6617 specificTypes, intent, resolvedType, flags, userId)); 6618 } 6619 6620 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6621 Intent[] specifics, String[] specificTypes, Intent intent, 6622 String resolvedType, int flags, int userId) { 6623 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6624 flags = updateFlagsForResolve(flags, userId, intent); 6625 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6626 false /* requireFullPermission */, false /* checkShell */, 6627 "query intent activity options"); 6628 final String resultsAction = intent.getAction(); 6629 6630 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6631 | PackageManager.GET_RESOLVED_FILTER, userId); 6632 6633 if (DEBUG_INTENT_MATCHING) { 6634 Log.v(TAG, "Query " + intent + ": " + results); 6635 } 6636 6637 int specificsPos = 0; 6638 int N; 6639 6640 // todo: note that the algorithm used here is O(N^2). This 6641 // isn't a problem in our current environment, but if we start running 6642 // into situations where we have more than 5 or 10 matches then this 6643 // should probably be changed to something smarter... 6644 6645 // First we go through and resolve each of the specific items 6646 // that were supplied, taking care of removing any corresponding 6647 // duplicate items in the generic resolve list. 6648 if (specifics != null) { 6649 for (int i=0; i<specifics.length; i++) { 6650 final Intent sintent = specifics[i]; 6651 if (sintent == null) { 6652 continue; 6653 } 6654 6655 if (DEBUG_INTENT_MATCHING) { 6656 Log.v(TAG, "Specific #" + i + ": " + sintent); 6657 } 6658 6659 String action = sintent.getAction(); 6660 if (resultsAction != null && resultsAction.equals(action)) { 6661 // If this action was explicitly requested, then don't 6662 // remove things that have it. 6663 action = null; 6664 } 6665 6666 ResolveInfo ri = null; 6667 ActivityInfo ai = null; 6668 6669 ComponentName comp = sintent.getComponent(); 6670 if (comp == null) { 6671 ri = resolveIntent( 6672 sintent, 6673 specificTypes != null ? specificTypes[i] : null, 6674 flags, userId); 6675 if (ri == null) { 6676 continue; 6677 } 6678 if (ri == mResolveInfo) { 6679 // ACK! Must do something better with this. 6680 } 6681 ai = ri.activityInfo; 6682 comp = new ComponentName(ai.applicationInfo.packageName, 6683 ai.name); 6684 } else { 6685 ai = getActivityInfo(comp, flags, userId); 6686 if (ai == null) { 6687 continue; 6688 } 6689 } 6690 6691 // Look for any generic query activities that are duplicates 6692 // of this specific one, and remove them from the results. 6693 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6694 N = results.size(); 6695 int j; 6696 for (j=specificsPos; j<N; j++) { 6697 ResolveInfo sri = results.get(j); 6698 if ((sri.activityInfo.name.equals(comp.getClassName()) 6699 && sri.activityInfo.applicationInfo.packageName.equals( 6700 comp.getPackageName())) 6701 || (action != null && sri.filter.matchAction(action))) { 6702 results.remove(j); 6703 if (DEBUG_INTENT_MATCHING) Log.v( 6704 TAG, "Removing duplicate item from " + j 6705 + " due to specific " + specificsPos); 6706 if (ri == null) { 6707 ri = sri; 6708 } 6709 j--; 6710 N--; 6711 } 6712 } 6713 6714 // Add this specific item to its proper place. 6715 if (ri == null) { 6716 ri = new ResolveInfo(); 6717 ri.activityInfo = ai; 6718 } 6719 results.add(specificsPos, ri); 6720 ri.specificIndex = i; 6721 specificsPos++; 6722 } 6723 } 6724 6725 // Now we go through the remaining generic results and remove any 6726 // duplicate actions that are found here. 6727 N = results.size(); 6728 for (int i=specificsPos; i<N-1; i++) { 6729 final ResolveInfo rii = results.get(i); 6730 if (rii.filter == null) { 6731 continue; 6732 } 6733 6734 // Iterate over all of the actions of this result's intent 6735 // filter... typically this should be just one. 6736 final Iterator<String> it = rii.filter.actionsIterator(); 6737 if (it == null) { 6738 continue; 6739 } 6740 while (it.hasNext()) { 6741 final String action = it.next(); 6742 if (resultsAction != null && resultsAction.equals(action)) { 6743 // If this action was explicitly requested, then don't 6744 // remove things that have it. 6745 continue; 6746 } 6747 for (int j=i+1; j<N; j++) { 6748 final ResolveInfo rij = results.get(j); 6749 if (rij.filter != null && rij.filter.hasAction(action)) { 6750 results.remove(j); 6751 if (DEBUG_INTENT_MATCHING) Log.v( 6752 TAG, "Removing duplicate item from " + j 6753 + " due to action " + action + " at " + i); 6754 j--; 6755 N--; 6756 } 6757 } 6758 } 6759 6760 // If the caller didn't request filter information, drop it now 6761 // so we don't have to marshall/unmarshall it. 6762 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6763 rii.filter = null; 6764 } 6765 } 6766 6767 // Filter out the caller activity if so requested. 6768 if (caller != null) { 6769 N = results.size(); 6770 for (int i=0; i<N; i++) { 6771 ActivityInfo ainfo = results.get(i).activityInfo; 6772 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6773 && caller.getClassName().equals(ainfo.name)) { 6774 results.remove(i); 6775 break; 6776 } 6777 } 6778 } 6779 6780 // If the caller didn't request filter information, 6781 // drop them now so we don't have to 6782 // marshall/unmarshall it. 6783 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6784 N = results.size(); 6785 for (int i=0; i<N; i++) { 6786 results.get(i).filter = null; 6787 } 6788 } 6789 6790 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6791 return results; 6792 } 6793 6794 @Override 6795 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6796 String resolvedType, int flags, int userId) { 6797 return new ParceledListSlice<>( 6798 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6799 } 6800 6801 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6802 String resolvedType, int flags, int userId) { 6803 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6804 flags = updateFlagsForResolve(flags, userId, intent); 6805 ComponentName comp = intent.getComponent(); 6806 if (comp == null) { 6807 if (intent.getSelector() != null) { 6808 intent = intent.getSelector(); 6809 comp = intent.getComponent(); 6810 } 6811 } 6812 if (comp != null) { 6813 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6814 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6815 if (ai != null) { 6816 ResolveInfo ri = new ResolveInfo(); 6817 ri.activityInfo = ai; 6818 list.add(ri); 6819 } 6820 return list; 6821 } 6822 6823 // reader 6824 synchronized (mPackages) { 6825 String pkgName = intent.getPackage(); 6826 if (pkgName == null) { 6827 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6828 } 6829 final PackageParser.Package pkg = mPackages.get(pkgName); 6830 if (pkg != null) { 6831 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6832 userId); 6833 } 6834 return Collections.emptyList(); 6835 } 6836 } 6837 6838 @Override 6839 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6840 if (!sUserManager.exists(userId)) return null; 6841 flags = updateFlagsForResolve(flags, userId, intent); 6842 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6843 if (query != null) { 6844 if (query.size() >= 1) { 6845 // If there is more than one service with the same priority, 6846 // just arbitrarily pick the first one. 6847 return query.get(0); 6848 } 6849 } 6850 return null; 6851 } 6852 6853 @Override 6854 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6855 String resolvedType, int flags, int userId) { 6856 return new ParceledListSlice<>( 6857 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6858 } 6859 6860 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6861 String resolvedType, int flags, int userId) { 6862 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6863 flags = updateFlagsForResolve(flags, userId, intent); 6864 ComponentName comp = intent.getComponent(); 6865 if (comp == null) { 6866 if (intent.getSelector() != null) { 6867 intent = intent.getSelector(); 6868 comp = intent.getComponent(); 6869 } 6870 } 6871 if (comp != null) { 6872 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6873 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6874 if (si != null) { 6875 final ResolveInfo ri = new ResolveInfo(); 6876 ri.serviceInfo = si; 6877 list.add(ri); 6878 } 6879 return list; 6880 } 6881 6882 // reader 6883 synchronized (mPackages) { 6884 String pkgName = intent.getPackage(); 6885 if (pkgName == null) { 6886 return mServices.queryIntent(intent, resolvedType, flags, userId); 6887 } 6888 final PackageParser.Package pkg = mPackages.get(pkgName); 6889 if (pkg != null) { 6890 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6891 userId); 6892 } 6893 return Collections.emptyList(); 6894 } 6895 } 6896 6897 @Override 6898 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6899 String resolvedType, int flags, int userId) { 6900 return new ParceledListSlice<>( 6901 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6902 } 6903 6904 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6905 Intent intent, String resolvedType, int flags, int userId) { 6906 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6907 flags = updateFlagsForResolve(flags, userId, intent); 6908 ComponentName comp = intent.getComponent(); 6909 if (comp == null) { 6910 if (intent.getSelector() != null) { 6911 intent = intent.getSelector(); 6912 comp = intent.getComponent(); 6913 } 6914 } 6915 if (comp != null) { 6916 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6917 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6918 if (pi != null) { 6919 final ResolveInfo ri = new ResolveInfo(); 6920 ri.providerInfo = pi; 6921 list.add(ri); 6922 } 6923 return list; 6924 } 6925 6926 // reader 6927 synchronized (mPackages) { 6928 String pkgName = intent.getPackage(); 6929 if (pkgName == null) { 6930 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6931 } 6932 final PackageParser.Package pkg = mPackages.get(pkgName); 6933 if (pkg != null) { 6934 return mProviders.queryIntentForPackage( 6935 intent, resolvedType, flags, pkg.providers, userId); 6936 } 6937 return Collections.emptyList(); 6938 } 6939 } 6940 6941 @Override 6942 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6943 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6944 flags = updateFlagsForPackage(flags, userId, null); 6945 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 6946 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6947 true /* requireFullPermission */, false /* checkShell */, 6948 "get installed packages"); 6949 6950 // writer 6951 synchronized (mPackages) { 6952 ArrayList<PackageInfo> list; 6953 if (listUninstalled) { 6954 list = new ArrayList<>(mSettings.mPackages.size()); 6955 for (PackageSetting ps : mSettings.mPackages.values()) { 6956 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 6957 continue; 6958 } 6959 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 6960 if (pi != null) { 6961 list.add(pi); 6962 } 6963 } 6964 } else { 6965 list = new ArrayList<>(mPackages.size()); 6966 for (PackageParser.Package p : mPackages.values()) { 6967 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 6968 Binder.getCallingUid(), userId)) { 6969 continue; 6970 } 6971 final PackageInfo pi = generatePackageInfo((PackageSetting) 6972 p.mExtras, flags, userId); 6973 if (pi != null) { 6974 list.add(pi); 6975 } 6976 } 6977 } 6978 6979 return new ParceledListSlice<>(list); 6980 } 6981 } 6982 6983 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6984 String[] permissions, boolean[] tmp, int flags, int userId) { 6985 int numMatch = 0; 6986 final PermissionsState permissionsState = ps.getPermissionsState(); 6987 for (int i=0; i<permissions.length; i++) { 6988 final String permission = permissions[i]; 6989 if (permissionsState.hasPermission(permission, userId)) { 6990 tmp[i] = true; 6991 numMatch++; 6992 } else { 6993 tmp[i] = false; 6994 } 6995 } 6996 if (numMatch == 0) { 6997 return; 6998 } 6999 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7000 7001 // The above might return null in cases of uninstalled apps or install-state 7002 // skew across users/profiles. 7003 if (pi != null) { 7004 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7005 if (numMatch == permissions.length) { 7006 pi.requestedPermissions = permissions; 7007 } else { 7008 pi.requestedPermissions = new String[numMatch]; 7009 numMatch = 0; 7010 for (int i=0; i<permissions.length; i++) { 7011 if (tmp[i]) { 7012 pi.requestedPermissions[numMatch] = permissions[i]; 7013 numMatch++; 7014 } 7015 } 7016 } 7017 } 7018 list.add(pi); 7019 } 7020 } 7021 7022 @Override 7023 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7024 String[] permissions, int flags, int userId) { 7025 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7026 flags = updateFlagsForPackage(flags, userId, permissions); 7027 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7028 true /* requireFullPermission */, false /* checkShell */, 7029 "get packages holding permissions"); 7030 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7031 7032 // writer 7033 synchronized (mPackages) { 7034 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7035 boolean[] tmpBools = new boolean[permissions.length]; 7036 if (listUninstalled) { 7037 for (PackageSetting ps : mSettings.mPackages.values()) { 7038 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7039 userId); 7040 } 7041 } else { 7042 for (PackageParser.Package pkg : mPackages.values()) { 7043 PackageSetting ps = (PackageSetting)pkg.mExtras; 7044 if (ps != null) { 7045 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7046 userId); 7047 } 7048 } 7049 } 7050 7051 return new ParceledListSlice<PackageInfo>(list); 7052 } 7053 } 7054 7055 @Override 7056 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7057 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7058 flags = updateFlagsForApplication(flags, userId, null); 7059 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7060 7061 // writer 7062 synchronized (mPackages) { 7063 ArrayList<ApplicationInfo> list; 7064 if (listUninstalled) { 7065 list = new ArrayList<>(mSettings.mPackages.size()); 7066 for (PackageSetting ps : mSettings.mPackages.values()) { 7067 ApplicationInfo ai; 7068 int effectiveFlags = flags; 7069 if (ps.isSystem()) { 7070 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7071 } 7072 if (ps.pkg != null) { 7073 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7074 continue; 7075 } 7076 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7077 ps.readUserState(userId), userId); 7078 if (ai != null) { 7079 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7080 } 7081 } else { 7082 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7083 // and already converts to externally visible package name 7084 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7085 Binder.getCallingUid(), effectiveFlags, userId); 7086 } 7087 if (ai != null) { 7088 list.add(ai); 7089 } 7090 } 7091 } else { 7092 list = new ArrayList<>(mPackages.size()); 7093 for (PackageParser.Package p : mPackages.values()) { 7094 if (p.mExtras != null) { 7095 PackageSetting ps = (PackageSetting) p.mExtras; 7096 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7097 continue; 7098 } 7099 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7100 ps.readUserState(userId), userId); 7101 if (ai != null) { 7102 ai.packageName = resolveExternalPackageNameLPr(p); 7103 list.add(ai); 7104 } 7105 } 7106 } 7107 } 7108 7109 return new ParceledListSlice<>(list); 7110 } 7111 } 7112 7113 @Override 7114 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7115 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7116 return null; 7117 } 7118 7119 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7120 "getEphemeralApplications"); 7121 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7122 true /* requireFullPermission */, false /* checkShell */, 7123 "getEphemeralApplications"); 7124 synchronized (mPackages) { 7125 List<InstantAppInfo> instantApps = mInstantAppRegistry 7126 .getInstantAppsLPr(userId); 7127 if (instantApps != null) { 7128 return new ParceledListSlice<>(instantApps); 7129 } 7130 } 7131 return null; 7132 } 7133 7134 @Override 7135 public boolean isInstantApp(String packageName, int userId) { 7136 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7137 true /* requireFullPermission */, false /* checkShell */, 7138 "isInstantApp"); 7139 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7140 return false; 7141 } 7142 7143 if (!isCallerSameApp(packageName)) { 7144 return false; 7145 } 7146 synchronized (mPackages) { 7147 final PackageSetting ps = mSettings.mPackages.get(packageName); 7148 if (ps != null) { 7149 return ps.getInstantApp(userId); 7150 } 7151 } 7152 return false; 7153 } 7154 7155 @Override 7156 public byte[] getInstantAppCookie(String packageName, int userId) { 7157 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7158 return null; 7159 } 7160 7161 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7162 true /* requireFullPermission */, false /* checkShell */, 7163 "getInstantAppCookie"); 7164 if (!isCallerSameApp(packageName)) { 7165 return null; 7166 } 7167 synchronized (mPackages) { 7168 return mInstantAppRegistry.getInstantAppCookieLPw( 7169 packageName, userId); 7170 } 7171 } 7172 7173 @Override 7174 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7175 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7176 return true; 7177 } 7178 7179 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7180 true /* requireFullPermission */, true /* checkShell */, 7181 "setInstantAppCookie"); 7182 if (!isCallerSameApp(packageName)) { 7183 return false; 7184 } 7185 synchronized (mPackages) { 7186 return mInstantAppRegistry.setInstantAppCookieLPw( 7187 packageName, cookie, userId); 7188 } 7189 } 7190 7191 @Override 7192 public Bitmap getInstantAppIcon(String packageName, int userId) { 7193 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7194 return null; 7195 } 7196 7197 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7198 "getInstantAppIcon"); 7199 7200 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7201 true /* requireFullPermission */, false /* checkShell */, 7202 "getInstantAppIcon"); 7203 7204 synchronized (mPackages) { 7205 return mInstantAppRegistry.getInstantAppIconLPw( 7206 packageName, userId); 7207 } 7208 } 7209 7210 private boolean isCallerSameApp(String packageName) { 7211 PackageParser.Package pkg = mPackages.get(packageName); 7212 return pkg != null 7213 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 7214 } 7215 7216 @Override 7217 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7218 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7219 } 7220 7221 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7222 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7223 7224 // reader 7225 synchronized (mPackages) { 7226 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7227 final int userId = UserHandle.getCallingUserId(); 7228 while (i.hasNext()) { 7229 final PackageParser.Package p = i.next(); 7230 if (p.applicationInfo == null) continue; 7231 7232 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7233 && !p.applicationInfo.isDirectBootAware(); 7234 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7235 && p.applicationInfo.isDirectBootAware(); 7236 7237 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7238 && (!mSafeMode || isSystemApp(p)) 7239 && (matchesUnaware || matchesAware)) { 7240 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7241 if (ps != null) { 7242 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7243 ps.readUserState(userId), userId); 7244 if (ai != null) { 7245 finalList.add(ai); 7246 } 7247 } 7248 } 7249 } 7250 } 7251 7252 return finalList; 7253 } 7254 7255 @Override 7256 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7257 if (!sUserManager.exists(userId)) return null; 7258 flags = updateFlagsForComponent(flags, userId, name); 7259 // reader 7260 synchronized (mPackages) { 7261 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7262 PackageSetting ps = provider != null 7263 ? mSettings.mPackages.get(provider.owner.packageName) 7264 : null; 7265 return ps != null 7266 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 7267 ? PackageParser.generateProviderInfo(provider, flags, 7268 ps.readUserState(userId), userId) 7269 : null; 7270 } 7271 } 7272 7273 /** 7274 * @deprecated 7275 */ 7276 @Deprecated 7277 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7278 // reader 7279 synchronized (mPackages) { 7280 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7281 .entrySet().iterator(); 7282 final int userId = UserHandle.getCallingUserId(); 7283 while (i.hasNext()) { 7284 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7285 PackageParser.Provider p = entry.getValue(); 7286 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7287 7288 if (ps != null && p.syncable 7289 && (!mSafeMode || (p.info.applicationInfo.flags 7290 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7291 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7292 ps.readUserState(userId), userId); 7293 if (info != null) { 7294 outNames.add(entry.getKey()); 7295 outInfo.add(info); 7296 } 7297 } 7298 } 7299 } 7300 } 7301 7302 @Override 7303 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7304 int uid, int flags) { 7305 final int userId = processName != null ? UserHandle.getUserId(uid) 7306 : UserHandle.getCallingUserId(); 7307 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7308 flags = updateFlagsForComponent(flags, userId, processName); 7309 7310 ArrayList<ProviderInfo> finalList = null; 7311 // reader 7312 synchronized (mPackages) { 7313 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7314 while (i.hasNext()) { 7315 final PackageParser.Provider p = i.next(); 7316 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7317 if (ps != null && p.info.authority != null 7318 && (processName == null 7319 || (p.info.processName.equals(processName) 7320 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7321 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7322 if (finalList == null) { 7323 finalList = new ArrayList<ProviderInfo>(3); 7324 } 7325 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7326 ps.readUserState(userId), userId); 7327 if (info != null) { 7328 finalList.add(info); 7329 } 7330 } 7331 } 7332 } 7333 7334 if (finalList != null) { 7335 Collections.sort(finalList, mProviderInitOrderSorter); 7336 return new ParceledListSlice<ProviderInfo>(finalList); 7337 } 7338 7339 return ParceledListSlice.emptyList(); 7340 } 7341 7342 @Override 7343 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7344 // reader 7345 synchronized (mPackages) { 7346 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7347 return PackageParser.generateInstrumentationInfo(i, flags); 7348 } 7349 } 7350 7351 @Override 7352 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7353 String targetPackage, int flags) { 7354 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7355 } 7356 7357 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7358 int flags) { 7359 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7360 7361 // reader 7362 synchronized (mPackages) { 7363 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7364 while (i.hasNext()) { 7365 final PackageParser.Instrumentation p = i.next(); 7366 if (targetPackage == null 7367 || targetPackage.equals(p.info.targetPackage)) { 7368 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7369 flags); 7370 if (ii != null) { 7371 finalList.add(ii); 7372 } 7373 } 7374 } 7375 } 7376 7377 return finalList; 7378 } 7379 7380 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 7381 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 7382 if (overlays == null) { 7383 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 7384 return; 7385 } 7386 for (PackageParser.Package opkg : overlays.values()) { 7387 // Not much to do if idmap fails: we already logged the error 7388 // and we certainly don't want to abort installation of pkg simply 7389 // because an overlay didn't fit properly. For these reasons, 7390 // ignore the return value of createIdmapForPackagePairLI. 7391 createIdmapForPackagePairLI(pkg, opkg); 7392 } 7393 } 7394 7395 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 7396 PackageParser.Package opkg) { 7397 if (!opkg.mTrustedOverlay) { 7398 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 7399 opkg.baseCodePath + ": overlay not trusted"); 7400 return false; 7401 } 7402 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 7403 if (overlaySet == null) { 7404 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 7405 opkg.baseCodePath + " but target package has no known overlays"); 7406 return false; 7407 } 7408 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7409 // TODO: generate idmap for split APKs 7410 try { 7411 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 7412 } catch (InstallerException e) { 7413 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 7414 + opkg.baseCodePath); 7415 return false; 7416 } 7417 PackageParser.Package[] overlayArray = 7418 overlaySet.values().toArray(new PackageParser.Package[0]); 7419 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 7420 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 7421 return p1.mOverlayPriority - p2.mOverlayPriority; 7422 } 7423 }; 7424 Arrays.sort(overlayArray, cmp); 7425 7426 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 7427 int i = 0; 7428 for (PackageParser.Package p : overlayArray) { 7429 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 7430 } 7431 return true; 7432 } 7433 7434 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7435 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7436 try { 7437 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7438 } finally { 7439 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7440 } 7441 } 7442 7443 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7444 final File[] files = dir.listFiles(); 7445 if (ArrayUtils.isEmpty(files)) { 7446 Log.d(TAG, "No files in app dir " + dir); 7447 return; 7448 } 7449 7450 if (DEBUG_PACKAGE_SCANNING) { 7451 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7452 + " flags=0x" + Integer.toHexString(parseFlags)); 7453 } 7454 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7455 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir); 7456 7457 // Submit files for parsing in parallel 7458 int fileCount = 0; 7459 for (File file : files) { 7460 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7461 && !PackageInstallerService.isStageName(file.getName()); 7462 if (!isPackage) { 7463 // Ignore entries which are not packages 7464 continue; 7465 } 7466 parallelPackageParser.submit(file, parseFlags); 7467 fileCount++; 7468 } 7469 7470 // Process results one by one 7471 for (; fileCount > 0; fileCount--) { 7472 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7473 Throwable throwable = parseResult.throwable; 7474 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7475 7476 if (throwable == null) { 7477 // Static shared libraries have synthetic package names 7478 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7479 renameStaticSharedLibraryPackage(parseResult.pkg); 7480 } 7481 try { 7482 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7483 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7484 currentTime, null); 7485 } 7486 } catch (PackageManagerException e) { 7487 errorCode = e.error; 7488 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7489 } 7490 } else if (throwable instanceof PackageParser.PackageParserException) { 7491 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7492 throwable; 7493 errorCode = e.error; 7494 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7495 } else { 7496 throw new IllegalStateException("Unexpected exception occurred while parsing " 7497 + parseResult.scanFile, throwable); 7498 } 7499 7500 // Delete invalid userdata apps 7501 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7502 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7503 logCriticalInfo(Log.WARN, 7504 "Deleting invalid package at " + parseResult.scanFile); 7505 removeCodePathLI(parseResult.scanFile); 7506 } 7507 } 7508 parallelPackageParser.close(); 7509 } 7510 7511 private static File getSettingsProblemFile() { 7512 File dataDir = Environment.getDataDirectory(); 7513 File systemDir = new File(dataDir, "system"); 7514 File fname = new File(systemDir, "uiderrors.txt"); 7515 return fname; 7516 } 7517 7518 static void reportSettingsProblem(int priority, String msg) { 7519 logCriticalInfo(priority, msg); 7520 } 7521 7522 static void logCriticalInfo(int priority, String msg) { 7523 Slog.println(priority, TAG, msg); 7524 EventLogTags.writePmCriticalInfo(msg); 7525 try { 7526 File fname = getSettingsProblemFile(); 7527 FileOutputStream out = new FileOutputStream(fname, true); 7528 PrintWriter pw = new FastPrintWriter(out); 7529 SimpleDateFormat formatter = new SimpleDateFormat(); 7530 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7531 pw.println(dateString + ": " + msg); 7532 pw.close(); 7533 FileUtils.setPermissions( 7534 fname.toString(), 7535 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7536 -1, -1); 7537 } catch (java.io.IOException e) { 7538 } 7539 } 7540 7541 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7542 if (srcFile.isDirectory()) { 7543 final File baseFile = new File(pkg.baseCodePath); 7544 long maxModifiedTime = baseFile.lastModified(); 7545 if (pkg.splitCodePaths != null) { 7546 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7547 final File splitFile = new File(pkg.splitCodePaths[i]); 7548 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7549 } 7550 } 7551 return maxModifiedTime; 7552 } 7553 return srcFile.lastModified(); 7554 } 7555 7556 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7557 final int policyFlags) throws PackageManagerException { 7558 // When upgrading from pre-N MR1, verify the package time stamp using the package 7559 // directory and not the APK file. 7560 final long lastModifiedTime = mIsPreNMR1Upgrade 7561 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7562 if (ps != null 7563 && ps.codePath.equals(srcFile) 7564 && ps.timeStamp == lastModifiedTime 7565 && !isCompatSignatureUpdateNeeded(pkg) 7566 && !isRecoverSignatureUpdateNeeded(pkg)) { 7567 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7568 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7569 ArraySet<PublicKey> signingKs; 7570 synchronized (mPackages) { 7571 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7572 } 7573 if (ps.signatures.mSignatures != null 7574 && ps.signatures.mSignatures.length != 0 7575 && signingKs != null) { 7576 // Optimization: reuse the existing cached certificates 7577 // if the package appears to be unchanged. 7578 pkg.mSignatures = ps.signatures.mSignatures; 7579 pkg.mSigningKeys = signingKs; 7580 return; 7581 } 7582 7583 Slog.w(TAG, "PackageSetting for " + ps.name 7584 + " is missing signatures. Collecting certs again to recover them."); 7585 } else { 7586 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7587 } 7588 7589 try { 7590 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7591 PackageParser.collectCertificates(pkg, policyFlags); 7592 } catch (PackageParserException e) { 7593 throw PackageManagerException.from(e); 7594 } finally { 7595 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7596 } 7597 } 7598 7599 /** 7600 * Traces a package scan. 7601 * @see #scanPackageLI(File, int, int, long, UserHandle) 7602 */ 7603 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7604 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7605 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7606 try { 7607 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7608 } finally { 7609 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7610 } 7611 } 7612 7613 /** 7614 * Scans a package and returns the newly parsed package. 7615 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7616 */ 7617 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7618 long currentTime, UserHandle user) throws PackageManagerException { 7619 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7620 PackageParser pp = new PackageParser(); 7621 pp.setSeparateProcesses(mSeparateProcesses); 7622 pp.setOnlyCoreApps(mOnlyCore); 7623 pp.setDisplayMetrics(mMetrics); 7624 7625 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7626 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7627 } 7628 7629 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7630 final PackageParser.Package pkg; 7631 try { 7632 pkg = pp.parsePackage(scanFile, parseFlags); 7633 } catch (PackageParserException e) { 7634 throw PackageManagerException.from(e); 7635 } finally { 7636 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7637 } 7638 7639 // Static shared libraries have synthetic package names 7640 if (pkg.applicationInfo.isStaticSharedLibrary()) { 7641 renameStaticSharedLibraryPackage(pkg); 7642 } 7643 7644 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 7645 } 7646 7647 /** 7648 * Scans a package and returns the newly parsed package. 7649 * @throws PackageManagerException on a parse error. 7650 */ 7651 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 7652 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7653 throws PackageManagerException { 7654 // If the package has children and this is the first dive in the function 7655 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 7656 // packages (parent and children) would be successfully scanned before the 7657 // actual scan since scanning mutates internal state and we want to atomically 7658 // install the package and its children. 7659 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7660 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7661 scanFlags |= SCAN_CHECK_ONLY; 7662 } 7663 } else { 7664 scanFlags &= ~SCAN_CHECK_ONLY; 7665 } 7666 7667 // Scan the parent 7668 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 7669 scanFlags, currentTime, user); 7670 7671 // Scan the children 7672 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7673 for (int i = 0; i < childCount; i++) { 7674 PackageParser.Package childPackage = pkg.childPackages.get(i); 7675 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 7676 currentTime, user); 7677 } 7678 7679 7680 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7681 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 7682 } 7683 7684 return scannedPkg; 7685 } 7686 7687 /** 7688 * Scans a package and returns the newly parsed package. 7689 * @throws PackageManagerException on a parse error. 7690 */ 7691 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 7692 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 7693 throws PackageManagerException { 7694 PackageSetting ps = null; 7695 PackageSetting updatedPkg; 7696 // reader 7697 synchronized (mPackages) { 7698 // Look to see if we already know about this package. 7699 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 7700 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 7701 // This package has been renamed to its original name. Let's 7702 // use that. 7703 ps = mSettings.getPackageLPr(oldName); 7704 } 7705 // If there was no original package, see one for the real package name. 7706 if (ps == null) { 7707 ps = mSettings.getPackageLPr(pkg.packageName); 7708 } 7709 // Check to see if this package could be hiding/updating a system 7710 // package. Must look for it either under the original or real 7711 // package name depending on our state. 7712 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 7713 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 7714 7715 // If this is a package we don't know about on the system partition, we 7716 // may need to remove disabled child packages on the system partition 7717 // or may need to not add child packages if the parent apk is updated 7718 // on the data partition and no longer defines this child package. 7719 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7720 // If this is a parent package for an updated system app and this system 7721 // app got an OTA update which no longer defines some of the child packages 7722 // we have to prune them from the disabled system packages. 7723 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 7724 if (disabledPs != null) { 7725 final int scannedChildCount = (pkg.childPackages != null) 7726 ? pkg.childPackages.size() : 0; 7727 final int disabledChildCount = disabledPs.childPackageNames != null 7728 ? disabledPs.childPackageNames.size() : 0; 7729 for (int i = 0; i < disabledChildCount; i++) { 7730 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 7731 boolean disabledPackageAvailable = false; 7732 for (int j = 0; j < scannedChildCount; j++) { 7733 PackageParser.Package childPkg = pkg.childPackages.get(j); 7734 if (childPkg.packageName.equals(disabledChildPackageName)) { 7735 disabledPackageAvailable = true; 7736 break; 7737 } 7738 } 7739 if (!disabledPackageAvailable) { 7740 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 7741 } 7742 } 7743 } 7744 } 7745 } 7746 7747 boolean updatedPkgBetter = false; 7748 // First check if this is a system package that may involve an update 7749 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 7750 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 7751 // it needs to drop FLAG_PRIVILEGED. 7752 if (locationIsPrivileged(scanFile)) { 7753 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7754 } else { 7755 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7756 } 7757 7758 if (ps != null && !ps.codePath.equals(scanFile)) { 7759 // The path has changed from what was last scanned... check the 7760 // version of the new path against what we have stored to determine 7761 // what to do. 7762 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 7763 if (pkg.mVersionCode <= ps.versionCode) { 7764 // The system package has been updated and the code path does not match 7765 // Ignore entry. Skip it. 7766 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 7767 + " ignored: updated version " + ps.versionCode 7768 + " better than this " + pkg.mVersionCode); 7769 if (!updatedPkg.codePath.equals(scanFile)) { 7770 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 7771 + ps.name + " changing from " + updatedPkg.codePathString 7772 + " to " + scanFile); 7773 updatedPkg.codePath = scanFile; 7774 updatedPkg.codePathString = scanFile.toString(); 7775 updatedPkg.resourcePath = scanFile; 7776 updatedPkg.resourcePathString = scanFile.toString(); 7777 } 7778 updatedPkg.pkg = pkg; 7779 updatedPkg.versionCode = pkg.mVersionCode; 7780 7781 // Update the disabled system child packages to point to the package too. 7782 final int childCount = updatedPkg.childPackageNames != null 7783 ? updatedPkg.childPackageNames.size() : 0; 7784 for (int i = 0; i < childCount; i++) { 7785 String childPackageName = updatedPkg.childPackageNames.get(i); 7786 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7787 childPackageName); 7788 if (updatedChildPkg != null) { 7789 updatedChildPkg.pkg = pkg; 7790 updatedChildPkg.versionCode = pkg.mVersionCode; 7791 } 7792 } 7793 7794 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7795 + scanFile + " ignored: updated version " + ps.versionCode 7796 + " better than this " + pkg.mVersionCode); 7797 } else { 7798 // The current app on the system partition is better than 7799 // what we have updated to on the data partition; switch 7800 // back to the system partition version. 7801 // At this point, its safely assumed that package installation for 7802 // apps in system partition will go through. If not there won't be a working 7803 // version of the app 7804 // writer 7805 synchronized (mPackages) { 7806 // Just remove the loaded entries from package lists. 7807 mPackages.remove(ps.name); 7808 } 7809 7810 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7811 + " reverting from " + ps.codePathString 7812 + ": new version " + pkg.mVersionCode 7813 + " better than installed " + ps.versionCode); 7814 7815 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7816 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7817 synchronized (mInstallLock) { 7818 args.cleanUpResourcesLI(); 7819 } 7820 synchronized (mPackages) { 7821 mSettings.enableSystemPackageLPw(ps.name); 7822 } 7823 updatedPkgBetter = true; 7824 } 7825 } 7826 } 7827 7828 if (updatedPkg != null) { 7829 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7830 // initially 7831 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7832 7833 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7834 // flag set initially 7835 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7836 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7837 } 7838 } 7839 7840 // Verify certificates against what was last scanned 7841 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7842 7843 /* 7844 * A new system app appeared, but we already had a non-system one of the 7845 * same name installed earlier. 7846 */ 7847 boolean shouldHideSystemApp = false; 7848 if (updatedPkg == null && ps != null 7849 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7850 /* 7851 * Check to make sure the signatures match first. If they don't, 7852 * wipe the installed application and its data. 7853 */ 7854 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7855 != PackageManager.SIGNATURE_MATCH) { 7856 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7857 + " signatures don't match existing userdata copy; removing"); 7858 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7859 "scanPackageInternalLI")) { 7860 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7861 } 7862 ps = null; 7863 } else { 7864 /* 7865 * If the newly-added system app is an older version than the 7866 * already installed version, hide it. It will be scanned later 7867 * and re-added like an update. 7868 */ 7869 if (pkg.mVersionCode <= ps.versionCode) { 7870 shouldHideSystemApp = true; 7871 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7872 + " but new version " + pkg.mVersionCode + " better than installed " 7873 + ps.versionCode + "; hiding system"); 7874 } else { 7875 /* 7876 * The newly found system app is a newer version that the 7877 * one previously installed. Simply remove the 7878 * already-installed application and replace it with our own 7879 * while keeping the application data. 7880 */ 7881 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7882 + " reverting from " + ps.codePathString + ": new version " 7883 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7884 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7885 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7886 synchronized (mInstallLock) { 7887 args.cleanUpResourcesLI(); 7888 } 7889 } 7890 } 7891 } 7892 7893 // The apk is forward locked (not public) if its code and resources 7894 // are kept in different files. (except for app in either system or 7895 // vendor path). 7896 // TODO grab this value from PackageSettings 7897 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7898 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7899 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7900 } 7901 } 7902 7903 // TODO: extend to support forward-locked splits 7904 String resourcePath = null; 7905 String baseResourcePath = null; 7906 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7907 if (ps != null && ps.resourcePathString != null) { 7908 resourcePath = ps.resourcePathString; 7909 baseResourcePath = ps.resourcePathString; 7910 } else { 7911 // Should not happen at all. Just log an error. 7912 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7913 } 7914 } else { 7915 resourcePath = pkg.codePath; 7916 baseResourcePath = pkg.baseCodePath; 7917 } 7918 7919 // Set application objects path explicitly. 7920 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7921 pkg.setApplicationInfoCodePath(pkg.codePath); 7922 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7923 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7924 pkg.setApplicationInfoResourcePath(resourcePath); 7925 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7926 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7927 7928 final int userId = ((user == null) ? 0 : user.getIdentifier()); 7929 if (ps != null && ps.getInstantApp(userId)) { 7930 scanFlags |= SCAN_AS_INSTANT_APP; 7931 } 7932 7933 // Note that we invoke the following method only if we are about to unpack an application 7934 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7935 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7936 7937 /* 7938 * If the system app should be overridden by a previously installed 7939 * data, hide the system app now and let the /data/app scan pick it up 7940 * again. 7941 */ 7942 if (shouldHideSystemApp) { 7943 synchronized (mPackages) { 7944 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7945 } 7946 } 7947 7948 return scannedPkg; 7949 } 7950 7951 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 7952 // Derive the new package synthetic package name 7953 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 7954 + pkg.staticSharedLibVersion); 7955 } 7956 7957 private static String fixProcessName(String defProcessName, 7958 String processName) { 7959 if (processName == null) { 7960 return defProcessName; 7961 } 7962 return processName; 7963 } 7964 7965 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7966 throws PackageManagerException { 7967 if (pkgSetting.signatures.mSignatures != null) { 7968 // Already existing package. Make sure signatures match 7969 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7970 == PackageManager.SIGNATURE_MATCH; 7971 if (!match) { 7972 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7973 == PackageManager.SIGNATURE_MATCH; 7974 } 7975 if (!match) { 7976 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7977 == PackageManager.SIGNATURE_MATCH; 7978 } 7979 if (!match) { 7980 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7981 + pkg.packageName + " signatures do not match the " 7982 + "previously installed version; ignoring!"); 7983 } 7984 } 7985 7986 // Check for shared user signatures 7987 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7988 // Already existing package. Make sure signatures match 7989 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7990 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7991 if (!match) { 7992 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7993 == PackageManager.SIGNATURE_MATCH; 7994 } 7995 if (!match) { 7996 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7997 == PackageManager.SIGNATURE_MATCH; 7998 } 7999 if (!match) { 8000 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8001 "Package " + pkg.packageName 8002 + " has no signatures that match those in shared user " 8003 + pkgSetting.sharedUser.name + "; ignoring!"); 8004 } 8005 } 8006 } 8007 8008 /** 8009 * Enforces that only the system UID or root's UID can call a method exposed 8010 * via Binder. 8011 * 8012 * @param message used as message if SecurityException is thrown 8013 * @throws SecurityException if the caller is not system or root 8014 */ 8015 private static final void enforceSystemOrRoot(String message) { 8016 final int uid = Binder.getCallingUid(); 8017 if (uid != Process.SYSTEM_UID && uid != 0) { 8018 throw new SecurityException(message); 8019 } 8020 } 8021 8022 @Override 8023 public void performFstrimIfNeeded() { 8024 enforceSystemOrRoot("Only the system can request fstrim"); 8025 8026 // Before everything else, see whether we need to fstrim. 8027 try { 8028 IStorageManager sm = PackageHelper.getStorageManager(); 8029 if (sm != null) { 8030 boolean doTrim = false; 8031 final long interval = android.provider.Settings.Global.getLong( 8032 mContext.getContentResolver(), 8033 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8034 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8035 if (interval > 0) { 8036 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8037 if (timeSinceLast > interval) { 8038 doTrim = true; 8039 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8040 + "; running immediately"); 8041 } 8042 } 8043 if (doTrim) { 8044 final boolean dexOptDialogShown; 8045 synchronized (mPackages) { 8046 dexOptDialogShown = mDexOptDialogShown; 8047 } 8048 if (!isFirstBoot() && dexOptDialogShown) { 8049 try { 8050 ActivityManager.getService().showBootMessage( 8051 mContext.getResources().getString( 8052 R.string.android_upgrading_fstrim), true); 8053 } catch (RemoteException e) { 8054 } 8055 } 8056 sm.runMaintenance(); 8057 } 8058 } else { 8059 Slog.e(TAG, "storageManager service unavailable!"); 8060 } 8061 } catch (RemoteException e) { 8062 // Can't happen; StorageManagerService is local 8063 } 8064 } 8065 8066 @Override 8067 public void updatePackagesIfNeeded() { 8068 enforceSystemOrRoot("Only the system can request package update"); 8069 8070 // We need to re-extract after an OTA. 8071 boolean causeUpgrade = isUpgrade(); 8072 8073 // First boot or factory reset. 8074 // Note: we also handle devices that are upgrading to N right now as if it is their 8075 // first boot, as they do not have profile data. 8076 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8077 8078 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8079 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8080 8081 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8082 return; 8083 } 8084 8085 List<PackageParser.Package> pkgs; 8086 synchronized (mPackages) { 8087 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8088 } 8089 8090 final long startTime = System.nanoTime(); 8091 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8092 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8093 8094 final int elapsedTimeSeconds = 8095 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8096 8097 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8098 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8099 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8100 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8101 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8102 } 8103 8104 /** 8105 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8106 * containing statistics about the invocation. The array consists of three elements, 8107 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8108 * and {@code numberOfPackagesFailed}. 8109 */ 8110 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8111 String compilerFilter) { 8112 8113 int numberOfPackagesVisited = 0; 8114 int numberOfPackagesOptimized = 0; 8115 int numberOfPackagesSkipped = 0; 8116 int numberOfPackagesFailed = 0; 8117 final int numberOfPackagesToDexopt = pkgs.size(); 8118 8119 for (PackageParser.Package pkg : pkgs) { 8120 numberOfPackagesVisited++; 8121 8122 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8123 if (DEBUG_DEXOPT) { 8124 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8125 } 8126 numberOfPackagesSkipped++; 8127 continue; 8128 } 8129 8130 if (DEBUG_DEXOPT) { 8131 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8132 numberOfPackagesToDexopt + ": " + pkg.packageName); 8133 } 8134 8135 if (showDialog) { 8136 try { 8137 ActivityManager.getService().showBootMessage( 8138 mContext.getResources().getString(R.string.android_upgrading_apk, 8139 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8140 } catch (RemoteException e) { 8141 } 8142 synchronized (mPackages) { 8143 mDexOptDialogShown = true; 8144 } 8145 } 8146 8147 // If the OTA updates a system app which was previously preopted to a non-preopted state 8148 // the app might end up being verified at runtime. That's because by default the apps 8149 // are verify-profile but for preopted apps there's no profile. 8150 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8151 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8152 // filter (by default interpret-only). 8153 // Note that at this stage unused apps are already filtered. 8154 if (isSystemApp(pkg) && 8155 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8156 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8157 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8158 } 8159 8160 // checkProfiles is false to avoid merging profiles during boot which 8161 // might interfere with background compilation (b/28612421). 8162 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8163 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8164 // trade-off worth doing to save boot time work. 8165 int dexOptStatus = performDexOptTraced(pkg.packageName, 8166 false /* checkProfiles */, 8167 compilerFilter, 8168 false /* force */); 8169 switch (dexOptStatus) { 8170 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8171 numberOfPackagesOptimized++; 8172 break; 8173 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8174 numberOfPackagesSkipped++; 8175 break; 8176 case PackageDexOptimizer.DEX_OPT_FAILED: 8177 numberOfPackagesFailed++; 8178 break; 8179 default: 8180 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8181 break; 8182 } 8183 } 8184 8185 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8186 numberOfPackagesFailed }; 8187 } 8188 8189 @Override 8190 public void notifyPackageUse(String packageName, int reason) { 8191 synchronized (mPackages) { 8192 PackageParser.Package p = mPackages.get(packageName); 8193 if (p == null) { 8194 return; 8195 } 8196 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8197 } 8198 } 8199 8200 @Override 8201 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8202 int userId = UserHandle.getCallingUserId(); 8203 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8204 if (ai == null) { 8205 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8206 + loadingPackageName + ", user=" + userId); 8207 return; 8208 } 8209 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8210 } 8211 8212 // TODO: this is not used nor needed. Delete it. 8213 @Override 8214 public boolean performDexOptIfNeeded(String packageName) { 8215 int dexOptStatus = performDexOptTraced(packageName, 8216 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8217 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8218 } 8219 8220 @Override 8221 public boolean performDexOpt(String packageName, 8222 boolean checkProfiles, int compileReason, boolean force) { 8223 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8224 getCompilerFilterForReason(compileReason), force); 8225 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8226 } 8227 8228 @Override 8229 public boolean performDexOptMode(String packageName, 8230 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8231 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8232 targetCompilerFilter, force); 8233 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8234 } 8235 8236 private int performDexOptTraced(String packageName, 8237 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8238 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8239 try { 8240 return performDexOptInternal(packageName, checkProfiles, 8241 targetCompilerFilter, force); 8242 } finally { 8243 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8244 } 8245 } 8246 8247 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8248 // if the package can now be considered up to date for the given filter. 8249 private int performDexOptInternal(String packageName, 8250 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8251 PackageParser.Package p; 8252 synchronized (mPackages) { 8253 p = mPackages.get(packageName); 8254 if (p == null) { 8255 // Package could not be found. Report failure. 8256 return PackageDexOptimizer.DEX_OPT_FAILED; 8257 } 8258 mPackageUsage.maybeWriteAsync(mPackages); 8259 mCompilerStats.maybeWriteAsync(); 8260 } 8261 long callingId = Binder.clearCallingIdentity(); 8262 try { 8263 synchronized (mInstallLock) { 8264 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8265 targetCompilerFilter, force); 8266 } 8267 } finally { 8268 Binder.restoreCallingIdentity(callingId); 8269 } 8270 } 8271 8272 public ArraySet<String> getOptimizablePackages() { 8273 ArraySet<String> pkgs = new ArraySet<String>(); 8274 synchronized (mPackages) { 8275 for (PackageParser.Package p : mPackages.values()) { 8276 if (PackageDexOptimizer.canOptimizePackage(p)) { 8277 pkgs.add(p.packageName); 8278 } 8279 } 8280 } 8281 return pkgs; 8282 } 8283 8284 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8285 boolean checkProfiles, String targetCompilerFilter, 8286 boolean force) { 8287 // Select the dex optimizer based on the force parameter. 8288 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8289 // allocate an object here. 8290 PackageDexOptimizer pdo = force 8291 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8292 : mPackageDexOptimizer; 8293 8294 // Optimize all dependencies first. Note: we ignore the return value and march on 8295 // on errors. 8296 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8297 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8298 if (!deps.isEmpty()) { 8299 for (PackageParser.Package depPackage : deps) { 8300 // TODO: Analyze and investigate if we (should) profile libraries. 8301 // Currently this will do a full compilation of the library by default. 8302 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8303 false /* checkProfiles */, 8304 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY), 8305 getOrCreateCompilerPackageStats(depPackage)); 8306 } 8307 } 8308 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8309 targetCompilerFilter, getOrCreateCompilerPackageStats(p)); 8310 } 8311 8312 // Performs dexopt on the used secondary dex files belonging to the given package. 8313 // Returns true if all dex files were process successfully (which could mean either dexopt or 8314 // skip). Returns false if any of the files caused errors. 8315 @Override 8316 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8317 boolean force) { 8318 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8319 } 8320 8321 /** 8322 * Reconcile the information we have about the secondary dex files belonging to 8323 * {@code packagName} and the actual dex files. For all dex files that were 8324 * deleted, update the internal records and delete the generated oat files. 8325 */ 8326 @Override 8327 public void reconcileSecondaryDexFiles(String packageName) { 8328 mDexManager.reconcileSecondaryDexFiles(packageName); 8329 } 8330 8331 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8332 // a reference there. 8333 /*package*/ DexManager getDexManager() { 8334 return mDexManager; 8335 } 8336 8337 /** 8338 * Execute the background dexopt job immediately. 8339 */ 8340 @Override 8341 public boolean runBackgroundDexoptJob() { 8342 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8343 } 8344 8345 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8346 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8347 || p.usesStaticLibraries != null) { 8348 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8349 Set<String> collectedNames = new HashSet<>(); 8350 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8351 8352 retValue.remove(p); 8353 8354 return retValue; 8355 } else { 8356 return Collections.emptyList(); 8357 } 8358 } 8359 8360 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8361 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8362 if (!collectedNames.contains(p.packageName)) { 8363 collectedNames.add(p.packageName); 8364 collected.add(p); 8365 8366 if (p.usesLibraries != null) { 8367 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8368 null, collected, collectedNames); 8369 } 8370 if (p.usesOptionalLibraries != null) { 8371 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8372 null, collected, collectedNames); 8373 } 8374 if (p.usesStaticLibraries != null) { 8375 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8376 p.usesStaticLibrariesVersions, collected, collectedNames); 8377 } 8378 } 8379 } 8380 8381 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8382 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8383 final int libNameCount = libs.size(); 8384 for (int i = 0; i < libNameCount; i++) { 8385 String libName = libs.get(i); 8386 int version = (versions != null && versions.length == libNameCount) 8387 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8388 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8389 if (libPkg != null) { 8390 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8391 } 8392 } 8393 } 8394 8395 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8396 synchronized (mPackages) { 8397 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8398 if (libEntry != null) { 8399 return mPackages.get(libEntry.apk); 8400 } 8401 return null; 8402 } 8403 } 8404 8405 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8406 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8407 if (versionedLib == null) { 8408 return null; 8409 } 8410 return versionedLib.get(version); 8411 } 8412 8413 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8414 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8415 pkg.staticSharedLibName); 8416 if (versionedLib == null) { 8417 return null; 8418 } 8419 int previousLibVersion = -1; 8420 final int versionCount = versionedLib.size(); 8421 for (int i = 0; i < versionCount; i++) { 8422 final int libVersion = versionedLib.keyAt(i); 8423 if (libVersion < pkg.staticSharedLibVersion) { 8424 previousLibVersion = Math.max(previousLibVersion, libVersion); 8425 } 8426 } 8427 if (previousLibVersion >= 0) { 8428 return versionedLib.get(previousLibVersion); 8429 } 8430 return null; 8431 } 8432 8433 public void shutdown() { 8434 mPackageUsage.writeNow(mPackages); 8435 mCompilerStats.writeNow(); 8436 } 8437 8438 @Override 8439 public void dumpProfiles(String packageName) { 8440 PackageParser.Package pkg; 8441 synchronized (mPackages) { 8442 pkg = mPackages.get(packageName); 8443 if (pkg == null) { 8444 throw new IllegalArgumentException("Unknown package: " + packageName); 8445 } 8446 } 8447 /* Only the shell, root, or the app user should be able to dump profiles. */ 8448 int callingUid = Binder.getCallingUid(); 8449 if (callingUid != Process.SHELL_UID && 8450 callingUid != Process.ROOT_UID && 8451 callingUid != pkg.applicationInfo.uid) { 8452 throw new SecurityException("dumpProfiles"); 8453 } 8454 8455 synchronized (mInstallLock) { 8456 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8457 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8458 try { 8459 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8460 String codePaths = TextUtils.join(";", allCodePaths); 8461 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8462 } catch (InstallerException e) { 8463 Slog.w(TAG, "Failed to dump profiles", e); 8464 } 8465 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8466 } 8467 } 8468 8469 @Override 8470 public void forceDexOpt(String packageName) { 8471 enforceSystemOrRoot("forceDexOpt"); 8472 8473 PackageParser.Package pkg; 8474 synchronized (mPackages) { 8475 pkg = mPackages.get(packageName); 8476 if (pkg == null) { 8477 throw new IllegalArgumentException("Unknown package: " + packageName); 8478 } 8479 } 8480 8481 synchronized (mInstallLock) { 8482 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8483 8484 // Whoever is calling forceDexOpt wants a fully compiled package. 8485 // Don't use profiles since that may cause compilation to be skipped. 8486 final int res = performDexOptInternalWithDependenciesLI(pkg, 8487 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8488 true /* force */); 8489 8490 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8491 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8492 throw new IllegalStateException("Failed to dexopt: " + res); 8493 } 8494 } 8495 } 8496 8497 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8498 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8499 Slog.w(TAG, "Unable to update from " + oldPkg.name 8500 + " to " + newPkg.packageName 8501 + ": old package not in system partition"); 8502 return false; 8503 } else if (mPackages.get(oldPkg.name) != null) { 8504 Slog.w(TAG, "Unable to update from " + oldPkg.name 8505 + " to " + newPkg.packageName 8506 + ": old package still exists"); 8507 return false; 8508 } 8509 return true; 8510 } 8511 8512 void removeCodePathLI(File codePath) { 8513 if (codePath.isDirectory()) { 8514 try { 8515 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8516 } catch (InstallerException e) { 8517 Slog.w(TAG, "Failed to remove code path", e); 8518 } 8519 } else { 8520 codePath.delete(); 8521 } 8522 } 8523 8524 private int[] resolveUserIds(int userId) { 8525 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8526 } 8527 8528 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8529 if (pkg == null) { 8530 Slog.wtf(TAG, "Package was null!", new Throwable()); 8531 return; 8532 } 8533 clearAppDataLeafLIF(pkg, userId, flags); 8534 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8535 for (int i = 0; i < childCount; i++) { 8536 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8537 } 8538 } 8539 8540 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8541 final PackageSetting ps; 8542 synchronized (mPackages) { 8543 ps = mSettings.mPackages.get(pkg.packageName); 8544 } 8545 for (int realUserId : resolveUserIds(userId)) { 8546 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8547 try { 8548 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8549 ceDataInode); 8550 } catch (InstallerException e) { 8551 Slog.w(TAG, String.valueOf(e)); 8552 } 8553 } 8554 } 8555 8556 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8557 if (pkg == null) { 8558 Slog.wtf(TAG, "Package was null!", new Throwable()); 8559 return; 8560 } 8561 destroyAppDataLeafLIF(pkg, userId, flags); 8562 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8563 for (int i = 0; i < childCount; i++) { 8564 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8565 } 8566 } 8567 8568 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8569 final PackageSetting ps; 8570 synchronized (mPackages) { 8571 ps = mSettings.mPackages.get(pkg.packageName); 8572 } 8573 for (int realUserId : resolveUserIds(userId)) { 8574 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8575 try { 8576 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8577 ceDataInode); 8578 } catch (InstallerException e) { 8579 Slog.w(TAG, String.valueOf(e)); 8580 } 8581 } 8582 } 8583 8584 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8585 if (pkg == null) { 8586 Slog.wtf(TAG, "Package was null!", new Throwable()); 8587 return; 8588 } 8589 destroyAppProfilesLeafLIF(pkg); 8590 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 8591 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8592 for (int i = 0; i < childCount; i++) { 8593 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8594 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 8595 true /* removeBaseMarker */); 8596 } 8597 } 8598 8599 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 8600 boolean removeBaseMarker) { 8601 if (pkg.isForwardLocked()) { 8602 return; 8603 } 8604 8605 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 8606 try { 8607 path = PackageManagerServiceUtils.realpath(new File(path)); 8608 } catch (IOException e) { 8609 // TODO: Should we return early here ? 8610 Slog.w(TAG, "Failed to get canonical path", e); 8611 continue; 8612 } 8613 8614 final String useMarker = path.replace('/', '@'); 8615 for (int realUserId : resolveUserIds(userId)) { 8616 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 8617 if (removeBaseMarker) { 8618 File foreignUseMark = new File(profileDir, useMarker); 8619 if (foreignUseMark.exists()) { 8620 if (!foreignUseMark.delete()) { 8621 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8622 + pkg.packageName); 8623 } 8624 } 8625 } 8626 8627 File[] markers = profileDir.listFiles(); 8628 if (markers != null) { 8629 final String searchString = "@" + pkg.packageName + "@"; 8630 // We also delete all markers that contain the package name we're 8631 // uninstalling. These are associated with secondary dex-files belonging 8632 // to the package. Reconstructing the path of these dex files is messy 8633 // in general. 8634 for (File marker : markers) { 8635 if (marker.getName().indexOf(searchString) > 0) { 8636 if (!marker.delete()) { 8637 Slog.w(TAG, "Unable to delete foreign user mark for package: " 8638 + pkg.packageName); 8639 } 8640 } 8641 } 8642 } 8643 } 8644 } 8645 } 8646 8647 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8648 try { 8649 mInstaller.destroyAppProfiles(pkg.packageName); 8650 } catch (InstallerException e) { 8651 Slog.w(TAG, String.valueOf(e)); 8652 } 8653 } 8654 8655 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8656 if (pkg == null) { 8657 Slog.wtf(TAG, "Package was null!", new Throwable()); 8658 return; 8659 } 8660 clearAppProfilesLeafLIF(pkg); 8661 // We don't remove the base foreign use marker when clearing profiles because 8662 // we will rename it when the app is updated. Unlike the actual profile contents, 8663 // the foreign use marker is good across installs. 8664 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 8665 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8666 for (int i = 0; i < childCount; i++) { 8667 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8668 } 8669 } 8670 8671 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8672 try { 8673 mInstaller.clearAppProfiles(pkg.packageName); 8674 } catch (InstallerException e) { 8675 Slog.w(TAG, String.valueOf(e)); 8676 } 8677 } 8678 8679 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 8680 long lastUpdateTime) { 8681 // Set parent install/update time 8682 PackageSetting ps = (PackageSetting) pkg.mExtras; 8683 if (ps != null) { 8684 ps.firstInstallTime = firstInstallTime; 8685 ps.lastUpdateTime = lastUpdateTime; 8686 } 8687 // Set children install/update time 8688 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8689 for (int i = 0; i < childCount; i++) { 8690 PackageParser.Package childPkg = pkg.childPackages.get(i); 8691 ps = (PackageSetting) childPkg.mExtras; 8692 if (ps != null) { 8693 ps.firstInstallTime = firstInstallTime; 8694 ps.lastUpdateTime = lastUpdateTime; 8695 } 8696 } 8697 } 8698 8699 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 8700 PackageParser.Package changingLib) { 8701 if (file.path != null) { 8702 usesLibraryFiles.add(file.path); 8703 return; 8704 } 8705 PackageParser.Package p = mPackages.get(file.apk); 8706 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 8707 // If we are doing this while in the middle of updating a library apk, 8708 // then we need to make sure to use that new apk for determining the 8709 // dependencies here. (We haven't yet finished committing the new apk 8710 // to the package manager state.) 8711 if (p == null || p.packageName.equals(changingLib.packageName)) { 8712 p = changingLib; 8713 } 8714 } 8715 if (p != null) { 8716 usesLibraryFiles.addAll(p.getAllCodePaths()); 8717 } 8718 } 8719 8720 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 8721 PackageParser.Package changingLib) throws PackageManagerException { 8722 if (pkg == null) { 8723 return; 8724 } 8725 ArraySet<String> usesLibraryFiles = null; 8726 if (pkg.usesLibraries != null) { 8727 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 8728 null, null, pkg.packageName, changingLib, true, null); 8729 } 8730 if (pkg.usesStaticLibraries != null) { 8731 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 8732 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 8733 pkg.packageName, changingLib, true, usesLibraryFiles); 8734 } 8735 if (pkg.usesOptionalLibraries != null) { 8736 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 8737 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 8738 } 8739 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 8740 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 8741 } else { 8742 pkg.usesLibraryFiles = null; 8743 } 8744 } 8745 8746 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 8747 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 8748 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 8749 boolean required, @Nullable ArraySet<String> outUsedLibraries) 8750 throws PackageManagerException { 8751 final int libCount = requestedLibraries.size(); 8752 for (int i = 0; i < libCount; i++) { 8753 final String libName = requestedLibraries.get(i); 8754 final int libVersion = requiredVersions != null ? requiredVersions[i] 8755 : SharedLibraryInfo.VERSION_UNDEFINED; 8756 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 8757 if (libEntry == null) { 8758 if (required) { 8759 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8760 "Package " + packageName + " requires unavailable shared library " 8761 + libName + "; failing!"); 8762 } else { 8763 Slog.w(TAG, "Package " + packageName 8764 + " desires unavailable shared library " 8765 + libName + "; ignoring!"); 8766 } 8767 } else { 8768 if (requiredVersions != null && requiredCertDigests != null) { 8769 if (libEntry.info.getVersion() != requiredVersions[i]) { 8770 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8771 "Package " + packageName + " requires unavailable static shared" 8772 + " library " + libName + " version " 8773 + libEntry.info.getVersion() + "; failing!"); 8774 } 8775 8776 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 8777 if (libPkg == null) { 8778 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8779 "Package " + packageName + " requires unavailable static shared" 8780 + " library; failing!"); 8781 } 8782 8783 String expectedCertDigest = requiredCertDigests[i]; 8784 String libCertDigest = PackageUtils.computeCertSha256Digest( 8785 libPkg.mSignatures[0]); 8786 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 8787 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 8788 "Package " + packageName + " requires differently signed" + 8789 " static shared library; failing!"); 8790 } 8791 } 8792 8793 if (outUsedLibraries == null) { 8794 outUsedLibraries = new ArraySet<>(); 8795 } 8796 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 8797 } 8798 } 8799 return outUsedLibraries; 8800 } 8801 8802 private static boolean hasString(List<String> list, List<String> which) { 8803 if (list == null) { 8804 return false; 8805 } 8806 for (int i=list.size()-1; i>=0; i--) { 8807 for (int j=which.size()-1; j>=0; j--) { 8808 if (which.get(j).equals(list.get(i))) { 8809 return true; 8810 } 8811 } 8812 } 8813 return false; 8814 } 8815 8816 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 8817 PackageParser.Package changingPkg) { 8818 ArrayList<PackageParser.Package> res = null; 8819 for (PackageParser.Package pkg : mPackages.values()) { 8820 if (changingPkg != null 8821 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 8822 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 8823 && !ArrayUtils.contains(pkg.usesStaticLibraries, 8824 changingPkg.staticSharedLibName)) { 8825 return null; 8826 } 8827 if (res == null) { 8828 res = new ArrayList<>(); 8829 } 8830 res.add(pkg); 8831 try { 8832 updateSharedLibrariesLPr(pkg, changingPkg); 8833 } catch (PackageManagerException e) { 8834 // If a system app update or an app and a required lib missing we 8835 // delete the package and for updated system apps keep the data as 8836 // it is better for the user to reinstall than to be in an limbo 8837 // state. Also libs disappearing under an app should never happen 8838 // - just in case. 8839 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 8840 final int flags = pkg.isUpdatedSystemApp() 8841 ? PackageManager.DELETE_KEEP_DATA : 0; 8842 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 8843 flags , null, true, null); 8844 } 8845 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 8846 } 8847 } 8848 return res; 8849 } 8850 8851 /** 8852 * Derive the value of the {@code cpuAbiOverride} based on the provided 8853 * value and an optional stored value from the package settings. 8854 */ 8855 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 8856 String cpuAbiOverride = null; 8857 8858 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 8859 cpuAbiOverride = null; 8860 } else if (abiOverride != null) { 8861 cpuAbiOverride = abiOverride; 8862 } else if (settings != null) { 8863 cpuAbiOverride = settings.cpuAbiOverrideString; 8864 } 8865 8866 return cpuAbiOverride; 8867 } 8868 8869 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 8870 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8871 throws PackageManagerException { 8872 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 8873 // If the package has children and this is the first dive in the function 8874 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 8875 // whether all packages (parent and children) would be successfully scanned 8876 // before the actual scan since scanning mutates internal state and we want 8877 // to atomically install the package and its children. 8878 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8879 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8880 scanFlags |= SCAN_CHECK_ONLY; 8881 } 8882 } else { 8883 scanFlags &= ~SCAN_CHECK_ONLY; 8884 } 8885 8886 final PackageParser.Package scannedPkg; 8887 try { 8888 // Scan the parent 8889 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 8890 // Scan the children 8891 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8892 for (int i = 0; i < childCount; i++) { 8893 PackageParser.Package childPkg = pkg.childPackages.get(i); 8894 scanPackageLI(childPkg, policyFlags, 8895 scanFlags, currentTime, user); 8896 } 8897 } finally { 8898 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8899 } 8900 8901 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8902 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 8903 } 8904 8905 return scannedPkg; 8906 } 8907 8908 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 8909 int scanFlags, long currentTime, @Nullable UserHandle user) 8910 throws PackageManagerException { 8911 boolean success = false; 8912 try { 8913 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 8914 currentTime, user); 8915 success = true; 8916 return res; 8917 } finally { 8918 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 8919 // DELETE_DATA_ON_FAILURES is only used by frozen paths 8920 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 8921 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 8922 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 8923 } 8924 } 8925 } 8926 8927 /** 8928 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 8929 */ 8930 private static boolean apkHasCode(String fileName) { 8931 StrictJarFile jarFile = null; 8932 try { 8933 jarFile = new StrictJarFile(fileName, 8934 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 8935 return jarFile.findEntry("classes.dex") != null; 8936 } catch (IOException ignore) { 8937 } finally { 8938 try { 8939 if (jarFile != null) { 8940 jarFile.close(); 8941 } 8942 } catch (IOException ignore) {} 8943 } 8944 return false; 8945 } 8946 8947 /** 8948 * Enforces code policy for the package. This ensures that if an APK has 8949 * declared hasCode="true" in its manifest that the APK actually contains 8950 * code. 8951 * 8952 * @throws PackageManagerException If bytecode could not be found when it should exist 8953 */ 8954 private static void assertCodePolicy(PackageParser.Package pkg) 8955 throws PackageManagerException { 8956 final boolean shouldHaveCode = 8957 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8958 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8959 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8960 "Package " + pkg.baseCodePath + " code is missing"); 8961 } 8962 8963 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8964 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8965 final boolean splitShouldHaveCode = 8966 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8967 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8968 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8969 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8970 } 8971 } 8972 } 8973 } 8974 8975 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8976 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 8977 throws PackageManagerException { 8978 if (DEBUG_PACKAGE_SCANNING) { 8979 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8980 Log.d(TAG, "Scanning package " + pkg.packageName); 8981 } 8982 8983 applyPolicy(pkg, policyFlags); 8984 8985 assertPackageIsValid(pkg, policyFlags, scanFlags); 8986 8987 // Initialize package source and resource directories 8988 final File scanFile = new File(pkg.codePath); 8989 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8990 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8991 8992 SharedUserSetting suid = null; 8993 PackageSetting pkgSetting = null; 8994 8995 // Getting the package setting may have a side-effect, so if we 8996 // are only checking if scan would succeed, stash a copy of the 8997 // old setting to restore at the end. 8998 PackageSetting nonMutatedPs = null; 8999 9000 // We keep references to the derived CPU Abis from settings in oder to reuse 9001 // them in the case where we're not upgrading or booting for the first time. 9002 String primaryCpuAbiFromSettings = null; 9003 String secondaryCpuAbiFromSettings = null; 9004 9005 // writer 9006 synchronized (mPackages) { 9007 if (pkg.mSharedUserId != null) { 9008 // SIDE EFFECTS; may potentially allocate a new shared user 9009 suid = mSettings.getSharedUserLPw( 9010 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9011 if (DEBUG_PACKAGE_SCANNING) { 9012 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9013 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9014 + "): packages=" + suid.packages); 9015 } 9016 } 9017 9018 // Check if we are renaming from an original package name. 9019 PackageSetting origPackage = null; 9020 String realName = null; 9021 if (pkg.mOriginalPackages != null) { 9022 // This package may need to be renamed to a previously 9023 // installed name. Let's check on that... 9024 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9025 if (pkg.mOriginalPackages.contains(renamed)) { 9026 // This package had originally been installed as the 9027 // original name, and we have already taken care of 9028 // transitioning to the new one. Just update the new 9029 // one to continue using the old name. 9030 realName = pkg.mRealPackage; 9031 if (!pkg.packageName.equals(renamed)) { 9032 // Callers into this function may have already taken 9033 // care of renaming the package; only do it here if 9034 // it is not already done. 9035 pkg.setPackageName(renamed); 9036 } 9037 } else { 9038 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9039 if ((origPackage = mSettings.getPackageLPr( 9040 pkg.mOriginalPackages.get(i))) != null) { 9041 // We do have the package already installed under its 9042 // original name... should we use it? 9043 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9044 // New package is not compatible with original. 9045 origPackage = null; 9046 continue; 9047 } else if (origPackage.sharedUser != null) { 9048 // Make sure uid is compatible between packages. 9049 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9050 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9051 + " to " + pkg.packageName + ": old uid " 9052 + origPackage.sharedUser.name 9053 + " differs from " + pkg.mSharedUserId); 9054 origPackage = null; 9055 continue; 9056 } 9057 // TODO: Add case when shared user id is added [b/28144775] 9058 } else { 9059 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9060 + pkg.packageName + " to old name " + origPackage.name); 9061 } 9062 break; 9063 } 9064 } 9065 } 9066 } 9067 9068 if (mTransferedPackages.contains(pkg.packageName)) { 9069 Slog.w(TAG, "Package " + pkg.packageName 9070 + " was transferred to another, but its .apk remains"); 9071 } 9072 9073 // See comments in nonMutatedPs declaration 9074 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9075 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9076 if (foundPs != null) { 9077 nonMutatedPs = new PackageSetting(foundPs); 9078 } 9079 } 9080 9081 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9082 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9083 if (foundPs != null) { 9084 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9085 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9086 } 9087 } 9088 9089 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9090 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9091 PackageManagerService.reportSettingsProblem(Log.WARN, 9092 "Package " + pkg.packageName + " shared user changed from " 9093 + (pkgSetting.sharedUser != null 9094 ? pkgSetting.sharedUser.name : "<nothing>") 9095 + " to " 9096 + (suid != null ? suid.name : "<nothing>") 9097 + "; replacing with new"); 9098 pkgSetting = null; 9099 } 9100 final PackageSetting oldPkgSetting = 9101 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9102 final PackageSetting disabledPkgSetting = 9103 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9104 9105 String[] usesStaticLibraries = null; 9106 if (pkg.usesStaticLibraries != null) { 9107 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9108 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9109 } 9110 9111 if (pkgSetting == null) { 9112 final String parentPackageName = (pkg.parentPackage != null) 9113 ? pkg.parentPackage.packageName : null; 9114 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9115 // REMOVE SharedUserSetting from method; update in a separate call 9116 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9117 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9118 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9119 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9120 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9121 true /*allowInstall*/, instantApp, parentPackageName, 9122 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9123 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9124 // SIDE EFFECTS; updates system state; move elsewhere 9125 if (origPackage != null) { 9126 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9127 } 9128 mSettings.addUserToSettingLPw(pkgSetting); 9129 } else { 9130 // REMOVE SharedUserSetting from method; update in a separate call. 9131 // 9132 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9133 // secondaryCpuAbi are not known at this point so we always update them 9134 // to null here, only to reset them at a later point. 9135 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9136 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9137 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9138 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9139 UserManagerService.getInstance(), usesStaticLibraries, 9140 pkg.usesStaticLibrariesVersions); 9141 } 9142 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9143 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9144 9145 // SIDE EFFECTS; modifies system state; move elsewhere 9146 if (pkgSetting.origPackage != null) { 9147 // If we are first transitioning from an original package, 9148 // fix up the new package's name now. We need to do this after 9149 // looking up the package under its new name, so getPackageLP 9150 // can take care of fiddling things correctly. 9151 pkg.setPackageName(origPackage.name); 9152 9153 // File a report about this. 9154 String msg = "New package " + pkgSetting.realName 9155 + " renamed to replace old package " + pkgSetting.name; 9156 reportSettingsProblem(Log.WARN, msg); 9157 9158 // Make a note of it. 9159 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9160 mTransferedPackages.add(origPackage.name); 9161 } 9162 9163 // No longer need to retain this. 9164 pkgSetting.origPackage = null; 9165 } 9166 9167 // SIDE EFFECTS; modifies system state; move elsewhere 9168 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9169 // Make a note of it. 9170 mTransferedPackages.add(pkg.packageName); 9171 } 9172 9173 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9174 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9175 } 9176 9177 if ((scanFlags & SCAN_BOOTING) == 0 9178 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9179 // Check all shared libraries and map to their actual file path. 9180 // We only do this here for apps not on a system dir, because those 9181 // are the only ones that can fail an install due to this. We 9182 // will take care of the system apps by updating all of their 9183 // library paths after the scan is done. Also during the initial 9184 // scan don't update any libs as we do this wholesale after all 9185 // apps are scanned to avoid dependency based scanning. 9186 updateSharedLibrariesLPr(pkg, null); 9187 } 9188 9189 if (mFoundPolicyFile) { 9190 SELinuxMMAC.assignSeInfoValue(pkg); 9191 } 9192 pkg.applicationInfo.uid = pkgSetting.appId; 9193 pkg.mExtras = pkgSetting; 9194 9195 9196 // Static shared libs have same package with different versions where 9197 // we internally use a synthetic package name to allow multiple versions 9198 // of the same package, therefore we need to compare signatures against 9199 // the package setting for the latest library version. 9200 PackageSetting signatureCheckPs = pkgSetting; 9201 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9202 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9203 if (libraryEntry != null) { 9204 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9205 } 9206 } 9207 9208 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9209 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9210 // We just determined the app is signed correctly, so bring 9211 // over the latest parsed certs. 9212 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9213 } else { 9214 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9215 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9216 "Package " + pkg.packageName + " upgrade keys do not match the " 9217 + "previously installed version"); 9218 } else { 9219 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9220 String msg = "System package " + pkg.packageName 9221 + " signature changed; retaining data."; 9222 reportSettingsProblem(Log.WARN, msg); 9223 } 9224 } 9225 } else { 9226 try { 9227 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9228 verifySignaturesLP(signatureCheckPs, pkg); 9229 // We just determined the app is signed correctly, so bring 9230 // over the latest parsed certs. 9231 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9232 } catch (PackageManagerException e) { 9233 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9234 throw e; 9235 } 9236 // The signature has changed, but this package is in the system 9237 // image... let's recover! 9238 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9239 // However... if this package is part of a shared user, but it 9240 // doesn't match the signature of the shared user, let's fail. 9241 // What this means is that you can't change the signatures 9242 // associated with an overall shared user, which doesn't seem all 9243 // that unreasonable. 9244 if (signatureCheckPs.sharedUser != null) { 9245 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9246 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9247 throw new PackageManagerException( 9248 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9249 "Signature mismatch for shared user: " 9250 + pkgSetting.sharedUser); 9251 } 9252 } 9253 // File a report about this. 9254 String msg = "System package " + pkg.packageName 9255 + " signature changed; retaining data."; 9256 reportSettingsProblem(Log.WARN, msg); 9257 } 9258 } 9259 9260 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9261 // This package wants to adopt ownership of permissions from 9262 // another package. 9263 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9264 final String origName = pkg.mAdoptPermissions.get(i); 9265 final PackageSetting orig = mSettings.getPackageLPr(origName); 9266 if (orig != null) { 9267 if (verifyPackageUpdateLPr(orig, pkg)) { 9268 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9269 + pkg.packageName); 9270 // SIDE EFFECTS; updates permissions system state; move elsewhere 9271 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9272 } 9273 } 9274 } 9275 } 9276 } 9277 9278 pkg.applicationInfo.processName = fixProcessName( 9279 pkg.applicationInfo.packageName, 9280 pkg.applicationInfo.processName); 9281 9282 if (pkg != mPlatformPackage) { 9283 // Get all of our default paths setup 9284 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9285 } 9286 9287 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9288 9289 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9290 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9291 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9292 derivePackageAbi( 9293 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9294 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9295 9296 // Some system apps still use directory structure for native libraries 9297 // in which case we might end up not detecting abi solely based on apk 9298 // structure. Try to detect abi based on directory structure. 9299 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9300 pkg.applicationInfo.primaryCpuAbi == null) { 9301 setBundledAppAbisAndRoots(pkg, pkgSetting); 9302 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9303 } 9304 } else { 9305 // This is not a first boot or an upgrade, don't bother deriving the 9306 // ABI during the scan. Instead, trust the value that was stored in the 9307 // package setting. 9308 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9309 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9310 9311 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9312 9313 if (DEBUG_ABI_SELECTION) { 9314 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9315 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9316 pkg.applicationInfo.secondaryCpuAbi); 9317 } 9318 } 9319 } else { 9320 if ((scanFlags & SCAN_MOVE) != 0) { 9321 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9322 // but we already have this packages package info in the PackageSetting. We just 9323 // use that and derive the native library path based on the new codepath. 9324 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9325 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9326 } 9327 9328 // Set native library paths again. For moves, the path will be updated based on the 9329 // ABIs we've determined above. For non-moves, the path will be updated based on the 9330 // ABIs we determined during compilation, but the path will depend on the final 9331 // package path (after the rename away from the stage path). 9332 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9333 } 9334 9335 // This is a special case for the "system" package, where the ABI is 9336 // dictated by the zygote configuration (and init.rc). We should keep track 9337 // of this ABI so that we can deal with "normal" applications that run under 9338 // the same UID correctly. 9339 if (mPlatformPackage == pkg) { 9340 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9341 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9342 } 9343 9344 // If there's a mismatch between the abi-override in the package setting 9345 // and the abiOverride specified for the install. Warn about this because we 9346 // would've already compiled the app without taking the package setting into 9347 // account. 9348 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9349 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9350 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9351 " for package " + pkg.packageName); 9352 } 9353 } 9354 9355 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9356 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9357 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9358 9359 // Copy the derived override back to the parsed package, so that we can 9360 // update the package settings accordingly. 9361 pkg.cpuAbiOverride = cpuAbiOverride; 9362 9363 if (DEBUG_ABI_SELECTION) { 9364 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9365 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9366 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9367 } 9368 9369 // Push the derived path down into PackageSettings so we know what to 9370 // clean up at uninstall time. 9371 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9372 9373 if (DEBUG_ABI_SELECTION) { 9374 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9375 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9376 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9377 } 9378 9379 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9380 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9381 // We don't do this here during boot because we can do it all 9382 // at once after scanning all existing packages. 9383 // 9384 // We also do this *before* we perform dexopt on this package, so that 9385 // we can avoid redundant dexopts, and also to make sure we've got the 9386 // code and package path correct. 9387 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9388 } 9389 9390 if (mFactoryTest && pkg.requestedPermissions.contains( 9391 android.Manifest.permission.FACTORY_TEST)) { 9392 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9393 } 9394 9395 if (isSystemApp(pkg)) { 9396 pkgSetting.isOrphaned = true; 9397 } 9398 9399 // Take care of first install / last update times. 9400 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9401 if (currentTime != 0) { 9402 if (pkgSetting.firstInstallTime == 0) { 9403 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9404 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9405 pkgSetting.lastUpdateTime = currentTime; 9406 } 9407 } else if (pkgSetting.firstInstallTime == 0) { 9408 // We need *something*. Take time time stamp of the file. 9409 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9410 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9411 if (scanFileTime != pkgSetting.timeStamp) { 9412 // A package on the system image has changed; consider this 9413 // to be an update. 9414 pkgSetting.lastUpdateTime = scanFileTime; 9415 } 9416 } 9417 pkgSetting.setTimeStamp(scanFileTime); 9418 9419 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9420 if (nonMutatedPs != null) { 9421 synchronized (mPackages) { 9422 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9423 } 9424 } 9425 } else { 9426 final int userId = user == null ? 0 : user.getIdentifier(); 9427 // Modify state for the given package setting 9428 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9429 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9430 if (pkgSetting.getInstantApp(userId)) { 9431 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9432 } 9433 } 9434 return pkg; 9435 } 9436 9437 /** 9438 * Applies policy to the parsed package based upon the given policy flags. 9439 * Ensures the package is in a good state. 9440 * <p> 9441 * Implementation detail: This method must NOT have any side effect. It would 9442 * ideally be static, but, it requires locks to read system state. 9443 */ 9444 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9445 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9446 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9447 if (pkg.applicationInfo.isDirectBootAware()) { 9448 // we're direct boot aware; set for all components 9449 for (PackageParser.Service s : pkg.services) { 9450 s.info.encryptionAware = s.info.directBootAware = true; 9451 } 9452 for (PackageParser.Provider p : pkg.providers) { 9453 p.info.encryptionAware = p.info.directBootAware = true; 9454 } 9455 for (PackageParser.Activity a : pkg.activities) { 9456 a.info.encryptionAware = a.info.directBootAware = true; 9457 } 9458 for (PackageParser.Activity r : pkg.receivers) { 9459 r.info.encryptionAware = r.info.directBootAware = true; 9460 } 9461 } 9462 } else { 9463 // Only allow system apps to be flagged as core apps. 9464 pkg.coreApp = false; 9465 // clear flags not applicable to regular apps 9466 pkg.applicationInfo.privateFlags &= 9467 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9468 pkg.applicationInfo.privateFlags &= 9469 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9470 } 9471 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9472 9473 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9474 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9475 } 9476 9477 if (!isSystemApp(pkg)) { 9478 // Only system apps can use these features. 9479 pkg.mOriginalPackages = null; 9480 pkg.mRealPackage = null; 9481 pkg.mAdoptPermissions = null; 9482 } 9483 } 9484 9485 /** 9486 * Asserts the parsed package is valid according to the given policy. If the 9487 * package is invalid, for whatever reason, throws {@link PackgeManagerException}. 9488 * <p> 9489 * Implementation detail: This method must NOT have any side effects. It would 9490 * ideally be static, but, it requires locks to read system state. 9491 * 9492 * @throws PackageManagerException If the package fails any of the validation checks 9493 */ 9494 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9495 throws PackageManagerException { 9496 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9497 assertCodePolicy(pkg); 9498 } 9499 9500 if (pkg.applicationInfo.getCodePath() == null || 9501 pkg.applicationInfo.getResourcePath() == null) { 9502 // Bail out. The resource and code paths haven't been set. 9503 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9504 "Code and resource paths haven't been set correctly"); 9505 } 9506 9507 // Make sure we're not adding any bogus keyset info 9508 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9509 ksms.assertScannedPackageValid(pkg); 9510 9511 synchronized (mPackages) { 9512 // The special "android" package can only be defined once 9513 if (pkg.packageName.equals("android")) { 9514 if (mAndroidApplication != null) { 9515 Slog.w(TAG, "*************************************************"); 9516 Slog.w(TAG, "Core android package being redefined. Skipping."); 9517 Slog.w(TAG, " codePath=" + pkg.codePath); 9518 Slog.w(TAG, "*************************************************"); 9519 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9520 "Core android package being redefined. Skipping."); 9521 } 9522 } 9523 9524 // A package name must be unique; don't allow duplicates 9525 if (mPackages.containsKey(pkg.packageName)) { 9526 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9527 "Application package " + pkg.packageName 9528 + " already installed. Skipping duplicate."); 9529 } 9530 9531 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9532 // Static libs have a synthetic package name containing the version 9533 // but we still want the base name to be unique. 9534 if (mPackages.containsKey(pkg.manifestPackageName)) { 9535 throw new PackageManagerException( 9536 "Duplicate static shared lib provider package"); 9537 } 9538 9539 // Static shared libraries should have at least O target SDK 9540 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9541 throw new PackageManagerException( 9542 "Packages declaring static-shared libs must target O SDK or higher"); 9543 } 9544 9545 // Package declaring static a shared lib cannot be instant apps 9546 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9547 throw new PackageManagerException( 9548 "Packages declaring static-shared libs cannot be instant apps"); 9549 } 9550 9551 // Package declaring static a shared lib cannot be renamed since the package 9552 // name is synthetic and apps can't code around package manager internals. 9553 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9554 throw new PackageManagerException( 9555 "Packages declaring static-shared libs cannot be renamed"); 9556 } 9557 9558 // Package declaring static a shared lib cannot declare child packages 9559 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9560 throw new PackageManagerException( 9561 "Packages declaring static-shared libs cannot have child packages"); 9562 } 9563 9564 // Package declaring static a shared lib cannot declare dynamic libs 9565 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9566 throw new PackageManagerException( 9567 "Packages declaring static-shared libs cannot declare dynamic libs"); 9568 } 9569 9570 // Package declaring static a shared lib cannot declare shared users 9571 if (pkg.mSharedUserId != null) { 9572 throw new PackageManagerException( 9573 "Packages declaring static-shared libs cannot declare shared users"); 9574 } 9575 9576 // Static shared libs cannot declare activities 9577 if (!pkg.activities.isEmpty()) { 9578 throw new PackageManagerException( 9579 "Static shared libs cannot declare activities"); 9580 } 9581 9582 // Static shared libs cannot declare services 9583 if (!pkg.services.isEmpty()) { 9584 throw new PackageManagerException( 9585 "Static shared libs cannot declare services"); 9586 } 9587 9588 // Static shared libs cannot declare providers 9589 if (!pkg.providers.isEmpty()) { 9590 throw new PackageManagerException( 9591 "Static shared libs cannot declare content providers"); 9592 } 9593 9594 // Static shared libs cannot declare receivers 9595 if (!pkg.receivers.isEmpty()) { 9596 throw new PackageManagerException( 9597 "Static shared libs cannot declare broadcast receivers"); 9598 } 9599 9600 // Static shared libs cannot declare permission groups 9601 if (!pkg.permissionGroups.isEmpty()) { 9602 throw new PackageManagerException( 9603 "Static shared libs cannot declare permission groups"); 9604 } 9605 9606 // Static shared libs cannot declare permissions 9607 if (!pkg.permissions.isEmpty()) { 9608 throw new PackageManagerException( 9609 "Static shared libs cannot declare permissions"); 9610 } 9611 9612 // Static shared libs cannot declare protected broadcasts 9613 if (pkg.protectedBroadcasts != null) { 9614 throw new PackageManagerException( 9615 "Static shared libs cannot declare protected broadcasts"); 9616 } 9617 9618 // Static shared libs cannot be overlay targets 9619 if (pkg.mOverlayTarget != null) { 9620 throw new PackageManagerException( 9621 "Static shared libs cannot be overlay targets"); 9622 } 9623 9624 // The version codes must be ordered as lib versions 9625 int minVersionCode = Integer.MIN_VALUE; 9626 int maxVersionCode = Integer.MAX_VALUE; 9627 9628 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9629 pkg.staticSharedLibName); 9630 if (versionedLib != null) { 9631 final int versionCount = versionedLib.size(); 9632 for (int i = 0; i < versionCount; i++) { 9633 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9634 // TODO: We will change version code to long, so in the new API it is long 9635 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9636 .getVersionCode(); 9637 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9638 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9639 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9640 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9641 } else { 9642 minVersionCode = maxVersionCode = libVersionCode; 9643 break; 9644 } 9645 } 9646 } 9647 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9648 throw new PackageManagerException("Static shared" 9649 + " lib version codes must be ordered as lib versions"); 9650 } 9651 } 9652 9653 // Only privileged apps and updated privileged apps can add child packages. 9654 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9655 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9656 throw new PackageManagerException("Only privileged apps can add child " 9657 + "packages. Ignoring package " + pkg.packageName); 9658 } 9659 final int childCount = pkg.childPackages.size(); 9660 for (int i = 0; i < childCount; i++) { 9661 PackageParser.Package childPkg = pkg.childPackages.get(i); 9662 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9663 childPkg.packageName)) { 9664 throw new PackageManagerException("Can't override child of " 9665 + "another disabled app. Ignoring package " + pkg.packageName); 9666 } 9667 } 9668 } 9669 9670 // If we're only installing presumed-existing packages, require that the 9671 // scanned APK is both already known and at the path previously established 9672 // for it. Previously unknown packages we pick up normally, but if we have an 9673 // a priori expectation about this package's install presence, enforce it. 9674 // With a singular exception for new system packages. When an OTA contains 9675 // a new system package, we allow the codepath to change from a system location 9676 // to the user-installed location. If we don't allow this change, any newer, 9677 // user-installed version of the application will be ignored. 9678 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 9679 if (mExpectingBetter.containsKey(pkg.packageName)) { 9680 logCriticalInfo(Log.WARN, 9681 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 9682 } else { 9683 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 9684 if (known != null) { 9685 if (DEBUG_PACKAGE_SCANNING) { 9686 Log.d(TAG, "Examining " + pkg.codePath 9687 + " and requiring known paths " + known.codePathString 9688 + " & " + known.resourcePathString); 9689 } 9690 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 9691 || !pkg.applicationInfo.getResourcePath().equals( 9692 known.resourcePathString)) { 9693 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 9694 "Application package " + pkg.packageName 9695 + " found at " + pkg.applicationInfo.getCodePath() 9696 + " but expected at " + known.codePathString 9697 + "; ignoring."); 9698 } 9699 } 9700 } 9701 } 9702 9703 // Verify that this new package doesn't have any content providers 9704 // that conflict with existing packages. Only do this if the 9705 // package isn't already installed, since we don't want to break 9706 // things that are installed. 9707 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 9708 final int N = pkg.providers.size(); 9709 int i; 9710 for (i=0; i<N; i++) { 9711 PackageParser.Provider p = pkg.providers.get(i); 9712 if (p.info.authority != null) { 9713 String names[] = p.info.authority.split(";"); 9714 for (int j = 0; j < names.length; j++) { 9715 if (mProvidersByAuthority.containsKey(names[j])) { 9716 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9717 final String otherPackageName = 9718 ((other != null && other.getComponentName() != null) ? 9719 other.getComponentName().getPackageName() : "?"); 9720 throw new PackageManagerException( 9721 INSTALL_FAILED_CONFLICTING_PROVIDER, 9722 "Can't install because provider name " + names[j] 9723 + " (in package " + pkg.applicationInfo.packageName 9724 + ") is already used by " + otherPackageName); 9725 } 9726 } 9727 } 9728 } 9729 } 9730 } 9731 } 9732 9733 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 9734 int type, String declaringPackageName, int declaringVersionCode) { 9735 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9736 if (versionedLib == null) { 9737 versionedLib = new SparseArray<>(); 9738 mSharedLibraries.put(name, versionedLib); 9739 if (type == SharedLibraryInfo.TYPE_STATIC) { 9740 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 9741 } 9742 } else if (versionedLib.indexOfKey(version) >= 0) { 9743 return false; 9744 } 9745 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 9746 version, type, declaringPackageName, declaringVersionCode); 9747 versionedLib.put(version, libEntry); 9748 return true; 9749 } 9750 9751 private boolean removeSharedLibraryLPw(String name, int version) { 9752 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9753 if (versionedLib == null) { 9754 return false; 9755 } 9756 final int libIdx = versionedLib.indexOfKey(version); 9757 if (libIdx < 0) { 9758 return false; 9759 } 9760 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 9761 versionedLib.remove(version); 9762 if (versionedLib.size() <= 0) { 9763 mSharedLibraries.remove(name); 9764 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 9765 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 9766 .getPackageName()); 9767 } 9768 } 9769 return true; 9770 } 9771 9772 /** 9773 * Adds a scanned package to the system. When this method is finished, the package will 9774 * be available for query, resolution, etc... 9775 */ 9776 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 9777 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 9778 final String pkgName = pkg.packageName; 9779 if (mCustomResolverComponentName != null && 9780 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 9781 setUpCustomResolverActivity(pkg); 9782 } 9783 9784 if (pkg.packageName.equals("android")) { 9785 synchronized (mPackages) { 9786 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9787 // Set up information for our fall-back user intent resolution activity. 9788 mPlatformPackage = pkg; 9789 pkg.mVersionCode = mSdkVersion; 9790 mAndroidApplication = pkg.applicationInfo; 9791 if (!mResolverReplaced) { 9792 mResolveActivity.applicationInfo = mAndroidApplication; 9793 mResolveActivity.name = ResolverActivity.class.getName(); 9794 mResolveActivity.packageName = mAndroidApplication.packageName; 9795 mResolveActivity.processName = "system:ui"; 9796 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9797 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 9798 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 9799 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 9800 mResolveActivity.exported = true; 9801 mResolveActivity.enabled = true; 9802 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 9803 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 9804 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 9805 | ActivityInfo.CONFIG_SCREEN_LAYOUT 9806 | ActivityInfo.CONFIG_ORIENTATION 9807 | ActivityInfo.CONFIG_KEYBOARD 9808 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 9809 mResolveInfo.activityInfo = mResolveActivity; 9810 mResolveInfo.priority = 0; 9811 mResolveInfo.preferredOrder = 0; 9812 mResolveInfo.match = 0; 9813 mResolveComponentName = new ComponentName( 9814 mAndroidApplication.packageName, mResolveActivity.name); 9815 } 9816 } 9817 } 9818 } 9819 9820 ArrayList<PackageParser.Package> clientLibPkgs = null; 9821 // writer 9822 synchronized (mPackages) { 9823 boolean hasStaticSharedLibs = false; 9824 9825 // Any app can add new static shared libraries 9826 if (pkg.staticSharedLibName != null) { 9827 // Static shared libs don't allow renaming as they have synthetic package 9828 // names to allow install of multiple versions, so use name from manifest. 9829 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 9830 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 9831 pkg.manifestPackageName, pkg.mVersionCode)) { 9832 hasStaticSharedLibs = true; 9833 } else { 9834 Slog.w(TAG, "Package " + pkg.packageName + " library " 9835 + pkg.staticSharedLibName + " already exists; skipping"); 9836 } 9837 // Static shared libs cannot be updated once installed since they 9838 // use synthetic package name which includes the version code, so 9839 // not need to update other packages's shared lib dependencies. 9840 } 9841 9842 if (!hasStaticSharedLibs 9843 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 9844 // Only system apps can add new dynamic shared libraries. 9845 if (pkg.libraryNames != null) { 9846 for (int i = 0; i < pkg.libraryNames.size(); i++) { 9847 String name = pkg.libraryNames.get(i); 9848 boolean allowed = false; 9849 if (pkg.isUpdatedSystemApp()) { 9850 // New library entries can only be added through the 9851 // system image. This is important to get rid of a lot 9852 // of nasty edge cases: for example if we allowed a non- 9853 // system update of the app to add a library, then uninstalling 9854 // the update would make the library go away, and assumptions 9855 // we made such as through app install filtering would now 9856 // have allowed apps on the device which aren't compatible 9857 // with it. Better to just have the restriction here, be 9858 // conservative, and create many fewer cases that can negatively 9859 // impact the user experience. 9860 final PackageSetting sysPs = mSettings 9861 .getDisabledSystemPkgLPr(pkg.packageName); 9862 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 9863 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 9864 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 9865 allowed = true; 9866 break; 9867 } 9868 } 9869 } 9870 } else { 9871 allowed = true; 9872 } 9873 if (allowed) { 9874 if (!addSharedLibraryLPw(null, pkg.packageName, name, 9875 SharedLibraryInfo.VERSION_UNDEFINED, 9876 SharedLibraryInfo.TYPE_DYNAMIC, 9877 pkg.packageName, pkg.mVersionCode)) { 9878 Slog.w(TAG, "Package " + pkg.packageName + " library " 9879 + name + " already exists; skipping"); 9880 } 9881 } else { 9882 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 9883 + name + " that is not declared on system image; skipping"); 9884 } 9885 } 9886 9887 if ((scanFlags & SCAN_BOOTING) == 0) { 9888 // If we are not booting, we need to update any applications 9889 // that are clients of our shared library. If we are booting, 9890 // this will all be done once the scan is complete. 9891 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 9892 } 9893 } 9894 } 9895 } 9896 9897 if ((scanFlags & SCAN_BOOTING) != 0) { 9898 // No apps can run during boot scan, so they don't need to be frozen 9899 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 9900 // Caller asked to not kill app, so it's probably not frozen 9901 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 9902 // Caller asked us to ignore frozen check for some reason; they 9903 // probably didn't know the package name 9904 } else { 9905 // We're doing major surgery on this package, so it better be frozen 9906 // right now to keep it from launching 9907 checkPackageFrozen(pkgName); 9908 } 9909 9910 // Also need to kill any apps that are dependent on the library. 9911 if (clientLibPkgs != null) { 9912 for (int i=0; i<clientLibPkgs.size(); i++) { 9913 PackageParser.Package clientPkg = clientLibPkgs.get(i); 9914 killApplication(clientPkg.applicationInfo.packageName, 9915 clientPkg.applicationInfo.uid, "update lib"); 9916 } 9917 } 9918 9919 // writer 9920 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 9921 9922 boolean createIdmapFailed = false; 9923 synchronized (mPackages) { 9924 // We don't expect installation to fail beyond this point 9925 9926 if (pkgSetting.pkg != null) { 9927 // Note that |user| might be null during the initial boot scan. If a codePath 9928 // for an app has changed during a boot scan, it's due to an app update that's 9929 // part of the system partition and marker changes must be applied to all users. 9930 final int userId = ((user != null) ? user : UserHandle.ALL).getIdentifier(); 9931 final int[] userIds = resolveUserIds(userId); 9932 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, userIds); 9933 } 9934 9935 // Add the new setting to mSettings 9936 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 9937 // Add the new setting to mPackages 9938 mPackages.put(pkg.applicationInfo.packageName, pkg); 9939 // Make sure we don't accidentally delete its data. 9940 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 9941 while (iter.hasNext()) { 9942 PackageCleanItem item = iter.next(); 9943 if (pkgName.equals(item.packageName)) { 9944 iter.remove(); 9945 } 9946 } 9947 9948 // Add the package's KeySets to the global KeySetManagerService 9949 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9950 ksms.addScannedPackageLPw(pkg); 9951 9952 int N = pkg.providers.size(); 9953 StringBuilder r = null; 9954 int i; 9955 for (i=0; i<N; i++) { 9956 PackageParser.Provider p = pkg.providers.get(i); 9957 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 9958 p.info.processName); 9959 mProviders.addProvider(p); 9960 p.syncable = p.info.isSyncable; 9961 if (p.info.authority != null) { 9962 String names[] = p.info.authority.split(";"); 9963 p.info.authority = null; 9964 for (int j = 0; j < names.length; j++) { 9965 if (j == 1 && p.syncable) { 9966 // We only want the first authority for a provider to possibly be 9967 // syncable, so if we already added this provider using a different 9968 // authority clear the syncable flag. We copy the provider before 9969 // changing it because the mProviders object contains a reference 9970 // to a provider that we don't want to change. 9971 // Only do this for the second authority since the resulting provider 9972 // object can be the same for all future authorities for this provider. 9973 p = new PackageParser.Provider(p); 9974 p.syncable = false; 9975 } 9976 if (!mProvidersByAuthority.containsKey(names[j])) { 9977 mProvidersByAuthority.put(names[j], p); 9978 if (p.info.authority == null) { 9979 p.info.authority = names[j]; 9980 } else { 9981 p.info.authority = p.info.authority + ";" + names[j]; 9982 } 9983 if (DEBUG_PACKAGE_SCANNING) { 9984 if (chatty) 9985 Log.d(TAG, "Registered content provider: " + names[j] 9986 + ", className = " + p.info.name + ", isSyncable = " 9987 + p.info.isSyncable); 9988 } 9989 } else { 9990 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 9991 Slog.w(TAG, "Skipping provider name " + names[j] + 9992 " (in package " + pkg.applicationInfo.packageName + 9993 "): name already used by " 9994 + ((other != null && other.getComponentName() != null) 9995 ? other.getComponentName().getPackageName() : "?")); 9996 } 9997 } 9998 } 9999 if (chatty) { 10000 if (r == null) { 10001 r = new StringBuilder(256); 10002 } else { 10003 r.append(' '); 10004 } 10005 r.append(p.info.name); 10006 } 10007 } 10008 if (r != null) { 10009 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10010 } 10011 10012 N = pkg.services.size(); 10013 r = null; 10014 for (i=0; i<N; i++) { 10015 PackageParser.Service s = pkg.services.get(i); 10016 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10017 s.info.processName); 10018 mServices.addService(s); 10019 if (chatty) { 10020 if (r == null) { 10021 r = new StringBuilder(256); 10022 } else { 10023 r.append(' '); 10024 } 10025 r.append(s.info.name); 10026 } 10027 } 10028 if (r != null) { 10029 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10030 } 10031 10032 N = pkg.receivers.size(); 10033 r = null; 10034 for (i=0; i<N; i++) { 10035 PackageParser.Activity a = pkg.receivers.get(i); 10036 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10037 a.info.processName); 10038 mReceivers.addActivity(a, "receiver"); 10039 if (chatty) { 10040 if (r == null) { 10041 r = new StringBuilder(256); 10042 } else { 10043 r.append(' '); 10044 } 10045 r.append(a.info.name); 10046 } 10047 } 10048 if (r != null) { 10049 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10050 } 10051 10052 N = pkg.activities.size(); 10053 r = null; 10054 for (i=0; i<N; i++) { 10055 PackageParser.Activity a = pkg.activities.get(i); 10056 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10057 a.info.processName); 10058 mActivities.addActivity(a, "activity"); 10059 if (chatty) { 10060 if (r == null) { 10061 r = new StringBuilder(256); 10062 } else { 10063 r.append(' '); 10064 } 10065 r.append(a.info.name); 10066 } 10067 } 10068 if (r != null) { 10069 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10070 } 10071 10072 N = pkg.permissionGroups.size(); 10073 r = null; 10074 for (i=0; i<N; i++) { 10075 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10076 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10077 final String curPackageName = cur == null ? null : cur.info.packageName; 10078 // Dont allow ephemeral apps to define new permission groups. 10079 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10080 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10081 + pg.info.packageName 10082 + " ignored: instant apps cannot define new permission groups."); 10083 continue; 10084 } 10085 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10086 if (cur == null || isPackageUpdate) { 10087 mPermissionGroups.put(pg.info.name, pg); 10088 if (chatty) { 10089 if (r == null) { 10090 r = new StringBuilder(256); 10091 } else { 10092 r.append(' '); 10093 } 10094 if (isPackageUpdate) { 10095 r.append("UPD:"); 10096 } 10097 r.append(pg.info.name); 10098 } 10099 } else { 10100 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10101 + pg.info.packageName + " ignored: original from " 10102 + cur.info.packageName); 10103 if (chatty) { 10104 if (r == null) { 10105 r = new StringBuilder(256); 10106 } else { 10107 r.append(' '); 10108 } 10109 r.append("DUP:"); 10110 r.append(pg.info.name); 10111 } 10112 } 10113 } 10114 if (r != null) { 10115 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10116 } 10117 10118 N = pkg.permissions.size(); 10119 r = null; 10120 for (i=0; i<N; i++) { 10121 PackageParser.Permission p = pkg.permissions.get(i); 10122 10123 // Dont allow ephemeral apps to define new permissions. 10124 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10125 Slog.w(TAG, "Permission " + p.info.name + " from package " 10126 + p.info.packageName 10127 + " ignored: instant apps cannot define new permissions."); 10128 continue; 10129 } 10130 10131 // Assume by default that we did not install this permission into the system. 10132 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10133 10134 // Now that permission groups have a special meaning, we ignore permission 10135 // groups for legacy apps to prevent unexpected behavior. In particular, 10136 // permissions for one app being granted to someone just becase they happen 10137 // to be in a group defined by another app (before this had no implications). 10138 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10139 p.group = mPermissionGroups.get(p.info.group); 10140 // Warn for a permission in an unknown group. 10141 if (p.info.group != null && p.group == null) { 10142 Slog.w(TAG, "Permission " + p.info.name + " from package " 10143 + p.info.packageName + " in an unknown group " + p.info.group); 10144 } 10145 } 10146 10147 ArrayMap<String, BasePermission> permissionMap = 10148 p.tree ? mSettings.mPermissionTrees 10149 : mSettings.mPermissions; 10150 BasePermission bp = permissionMap.get(p.info.name); 10151 10152 // Allow system apps to redefine non-system permissions 10153 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10154 final boolean currentOwnerIsSystem = (bp.perm != null 10155 && isSystemApp(bp.perm.owner)); 10156 if (isSystemApp(p.owner)) { 10157 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10158 // It's a built-in permission and no owner, take ownership now 10159 bp.packageSetting = pkgSetting; 10160 bp.perm = p; 10161 bp.uid = pkg.applicationInfo.uid; 10162 bp.sourcePackage = p.info.packageName; 10163 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10164 } else if (!currentOwnerIsSystem) { 10165 String msg = "New decl " + p.owner + " of permission " 10166 + p.info.name + " is system; overriding " + bp.sourcePackage; 10167 reportSettingsProblem(Log.WARN, msg); 10168 bp = null; 10169 } 10170 } 10171 } 10172 10173 if (bp == null) { 10174 bp = new BasePermission(p.info.name, p.info.packageName, 10175 BasePermission.TYPE_NORMAL); 10176 permissionMap.put(p.info.name, bp); 10177 } 10178 10179 if (bp.perm == null) { 10180 if (bp.sourcePackage == null 10181 || bp.sourcePackage.equals(p.info.packageName)) { 10182 BasePermission tree = findPermissionTreeLP(p.info.name); 10183 if (tree == null 10184 || tree.sourcePackage.equals(p.info.packageName)) { 10185 bp.packageSetting = pkgSetting; 10186 bp.perm = p; 10187 bp.uid = pkg.applicationInfo.uid; 10188 bp.sourcePackage = p.info.packageName; 10189 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10190 if (chatty) { 10191 if (r == null) { 10192 r = new StringBuilder(256); 10193 } else { 10194 r.append(' '); 10195 } 10196 r.append(p.info.name); 10197 } 10198 } else { 10199 Slog.w(TAG, "Permission " + p.info.name + " from package " 10200 + p.info.packageName + " ignored: base tree " 10201 + tree.name + " is from package " 10202 + tree.sourcePackage); 10203 } 10204 } else { 10205 Slog.w(TAG, "Permission " + p.info.name + " from package " 10206 + p.info.packageName + " ignored: original from " 10207 + bp.sourcePackage); 10208 } 10209 } else if (chatty) { 10210 if (r == null) { 10211 r = new StringBuilder(256); 10212 } else { 10213 r.append(' '); 10214 } 10215 r.append("DUP:"); 10216 r.append(p.info.name); 10217 } 10218 if (bp.perm == p) { 10219 bp.protectionLevel = p.info.protectionLevel; 10220 } 10221 } 10222 10223 if (r != null) { 10224 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10225 } 10226 10227 N = pkg.instrumentation.size(); 10228 r = null; 10229 for (i=0; i<N; i++) { 10230 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10231 a.info.packageName = pkg.applicationInfo.packageName; 10232 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10233 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10234 a.info.splitNames = pkg.splitNames; 10235 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10236 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10237 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10238 a.info.dataDir = pkg.applicationInfo.dataDir; 10239 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10240 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10241 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10242 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10243 mInstrumentation.put(a.getComponentName(), a); 10244 if (chatty) { 10245 if (r == null) { 10246 r = new StringBuilder(256); 10247 } else { 10248 r.append(' '); 10249 } 10250 r.append(a.info.name); 10251 } 10252 } 10253 if (r != null) { 10254 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10255 } 10256 10257 if (pkg.protectedBroadcasts != null) { 10258 N = pkg.protectedBroadcasts.size(); 10259 for (i=0; i<N; i++) { 10260 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10261 } 10262 } 10263 10264 // Create idmap files for pairs of (packages, overlay packages). 10265 // Note: "android", ie framework-res.apk, is handled by native layers. 10266 if (pkg.mOverlayTarget != null) { 10267 // This is an overlay package. 10268 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 10269 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 10270 mOverlays.put(pkg.mOverlayTarget, 10271 new ArrayMap<String, PackageParser.Package>()); 10272 } 10273 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 10274 map.put(pkg.packageName, pkg); 10275 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 10276 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 10277 createIdmapFailed = true; 10278 } 10279 } 10280 } else if (mOverlays.containsKey(pkg.packageName) && 10281 !pkg.packageName.equals("android")) { 10282 // This is a regular package, with one or more known overlay packages. 10283 createIdmapsForPackageLI(pkg); 10284 } 10285 } 10286 10287 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10288 10289 if (createIdmapFailed) { 10290 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10291 "scanPackageLI failed to createIdmap"); 10292 } 10293 } 10294 10295 private static void maybeRenameForeignDexMarkers(PackageParser.Package existing, 10296 PackageParser.Package update, int[] userIds) { 10297 if (existing.applicationInfo == null || update.applicationInfo == null) { 10298 // This isn't due to an app installation. 10299 return; 10300 } 10301 10302 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 10303 final File newCodePath = new File(update.applicationInfo.getCodePath()); 10304 10305 // The codePath hasn't changed, so there's nothing for us to do. 10306 if (Objects.equals(oldCodePath, newCodePath)) { 10307 return; 10308 } 10309 10310 File canonicalNewCodePath; 10311 try { 10312 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 10313 } catch (IOException e) { 10314 Slog.w(TAG, "Failed to get canonical path.", e); 10315 return; 10316 } 10317 10318 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 10319 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 10320 // that the last component of the path (i.e, the name) doesn't need canonicalization 10321 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 10322 // but may change in the future. Hopefully this function won't exist at that point. 10323 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 10324 oldCodePath.getName()); 10325 10326 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 10327 // with "@". 10328 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 10329 if (!oldMarkerPrefix.endsWith("@")) { 10330 oldMarkerPrefix += "@"; 10331 } 10332 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 10333 if (!newMarkerPrefix.endsWith("@")) { 10334 newMarkerPrefix += "@"; 10335 } 10336 10337 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 10338 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 10339 for (String updatedPath : updatedPaths) { 10340 String updatedPathName = new File(updatedPath).getName(); 10341 markerSuffixes.add(updatedPathName.replace('/', '@')); 10342 } 10343 10344 for (int userId : userIds) { 10345 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 10346 10347 for (String markerSuffix : markerSuffixes) { 10348 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 10349 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 10350 if (oldForeignUseMark.exists()) { 10351 try { 10352 Os.rename(oldForeignUseMark.getAbsolutePath(), 10353 newForeignUseMark.getAbsolutePath()); 10354 } catch (ErrnoException e) { 10355 Slog.w(TAG, "Failed to rename foreign use marker", e); 10356 oldForeignUseMark.delete(); 10357 } 10358 } 10359 } 10360 } 10361 } 10362 10363 /** 10364 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10365 * is derived purely on the basis of the contents of {@code scanFile} and 10366 * {@code cpuAbiOverride}. 10367 * 10368 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10369 */ 10370 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10371 String cpuAbiOverride, boolean extractLibs, 10372 File appLib32InstallDir) 10373 throws PackageManagerException { 10374 // Give ourselves some initial paths; we'll come back for another 10375 // pass once we've determined ABI below. 10376 setNativeLibraryPaths(pkg, appLib32InstallDir); 10377 10378 // We would never need to extract libs for forward-locked and external packages, 10379 // since the container service will do it for us. We shouldn't attempt to 10380 // extract libs from system app when it was not updated. 10381 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10382 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10383 extractLibs = false; 10384 } 10385 10386 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10387 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10388 10389 NativeLibraryHelper.Handle handle = null; 10390 try { 10391 handle = NativeLibraryHelper.Handle.create(pkg); 10392 // TODO(multiArch): This can be null for apps that didn't go through the 10393 // usual installation process. We can calculate it again, like we 10394 // do during install time. 10395 // 10396 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10397 // unnecessary. 10398 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10399 10400 // Null out the abis so that they can be recalculated. 10401 pkg.applicationInfo.primaryCpuAbi = null; 10402 pkg.applicationInfo.secondaryCpuAbi = null; 10403 if (isMultiArch(pkg.applicationInfo)) { 10404 // Warn if we've set an abiOverride for multi-lib packages.. 10405 // By definition, we need to copy both 32 and 64 bit libraries for 10406 // such packages. 10407 if (pkg.cpuAbiOverride != null 10408 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10409 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10410 } 10411 10412 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10413 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10414 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10415 if (extractLibs) { 10416 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10417 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10418 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10419 useIsaSpecificSubdirs); 10420 } else { 10421 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10422 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10423 } 10424 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10425 } 10426 10427 maybeThrowExceptionForMultiArchCopy( 10428 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10429 10430 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10431 if (extractLibs) { 10432 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10433 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10434 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10435 useIsaSpecificSubdirs); 10436 } else { 10437 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10438 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10439 } 10440 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10441 } 10442 10443 maybeThrowExceptionForMultiArchCopy( 10444 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10445 10446 if (abi64 >= 0) { 10447 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10448 } 10449 10450 if (abi32 >= 0) { 10451 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10452 if (abi64 >= 0) { 10453 if (pkg.use32bitAbi) { 10454 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10455 pkg.applicationInfo.primaryCpuAbi = abi; 10456 } else { 10457 pkg.applicationInfo.secondaryCpuAbi = abi; 10458 } 10459 } else { 10460 pkg.applicationInfo.primaryCpuAbi = abi; 10461 } 10462 } 10463 10464 } else { 10465 String[] abiList = (cpuAbiOverride != null) ? 10466 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10467 10468 // Enable gross and lame hacks for apps that are built with old 10469 // SDK tools. We must scan their APKs for renderscript bitcode and 10470 // not launch them if it's present. Don't bother checking on devices 10471 // that don't have 64 bit support. 10472 boolean needsRenderScriptOverride = false; 10473 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10474 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10475 abiList = Build.SUPPORTED_32_BIT_ABIS; 10476 needsRenderScriptOverride = true; 10477 } 10478 10479 final int copyRet; 10480 if (extractLibs) { 10481 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10482 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10483 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10484 } else { 10485 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10486 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10487 } 10488 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10489 10490 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10491 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10492 "Error unpackaging native libs for app, errorCode=" + copyRet); 10493 } 10494 10495 if (copyRet >= 0) { 10496 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10497 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10498 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10499 } else if (needsRenderScriptOverride) { 10500 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10501 } 10502 } 10503 } catch (IOException ioe) { 10504 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10505 } finally { 10506 IoUtils.closeQuietly(handle); 10507 } 10508 10509 // Now that we've calculated the ABIs and determined if it's an internal app, 10510 // we will go ahead and populate the nativeLibraryPath. 10511 setNativeLibraryPaths(pkg, appLib32InstallDir); 10512 } 10513 10514 /** 10515 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10516 * i.e, so that all packages can be run inside a single process if required. 10517 * 10518 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10519 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10520 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10521 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10522 * updating a package that belongs to a shared user. 10523 * 10524 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10525 * adds unnecessary complexity. 10526 */ 10527 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10528 PackageParser.Package scannedPackage) { 10529 String requiredInstructionSet = null; 10530 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10531 requiredInstructionSet = VMRuntime.getInstructionSet( 10532 scannedPackage.applicationInfo.primaryCpuAbi); 10533 } 10534 10535 PackageSetting requirer = null; 10536 for (PackageSetting ps : packagesForUser) { 10537 // If packagesForUser contains scannedPackage, we skip it. This will happen 10538 // when scannedPackage is an update of an existing package. Without this check, 10539 // we will never be able to change the ABI of any package belonging to a shared 10540 // user, even if it's compatible with other packages. 10541 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10542 if (ps.primaryCpuAbiString == null) { 10543 continue; 10544 } 10545 10546 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10547 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10548 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10549 // this but there's not much we can do. 10550 String errorMessage = "Instruction set mismatch, " 10551 + ((requirer == null) ? "[caller]" : requirer) 10552 + " requires " + requiredInstructionSet + " whereas " + ps 10553 + " requires " + instructionSet; 10554 Slog.w(TAG, errorMessage); 10555 } 10556 10557 if (requiredInstructionSet == null) { 10558 requiredInstructionSet = instructionSet; 10559 requirer = ps; 10560 } 10561 } 10562 } 10563 10564 if (requiredInstructionSet != null) { 10565 String adjustedAbi; 10566 if (requirer != null) { 10567 // requirer != null implies that either scannedPackage was null or that scannedPackage 10568 // did not require an ABI, in which case we have to adjust scannedPackage to match 10569 // the ABI of the set (which is the same as requirer's ABI) 10570 adjustedAbi = requirer.primaryCpuAbiString; 10571 if (scannedPackage != null) { 10572 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10573 } 10574 } else { 10575 // requirer == null implies that we're updating all ABIs in the set to 10576 // match scannedPackage. 10577 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10578 } 10579 10580 for (PackageSetting ps : packagesForUser) { 10581 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10582 if (ps.primaryCpuAbiString != null) { 10583 continue; 10584 } 10585 10586 ps.primaryCpuAbiString = adjustedAbi; 10587 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10588 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10589 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10590 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10591 + " (requirer=" 10592 + (requirer == null ? "null" : requirer.pkg.packageName) 10593 + ", scannedPackage=" 10594 + (scannedPackage != null ? scannedPackage.packageName : "null") 10595 + ")"); 10596 try { 10597 mInstaller.rmdex(ps.codePathString, 10598 getDexCodeInstructionSet(getPreferredInstructionSet())); 10599 } catch (InstallerException ignored) { 10600 } 10601 } 10602 } 10603 } 10604 } 10605 } 10606 10607 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10608 synchronized (mPackages) { 10609 mResolverReplaced = true; 10610 // Set up information for custom user intent resolution activity. 10611 mResolveActivity.applicationInfo = pkg.applicationInfo; 10612 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10613 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10614 mResolveActivity.processName = pkg.applicationInfo.packageName; 10615 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10616 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10617 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10618 mResolveActivity.theme = 0; 10619 mResolveActivity.exported = true; 10620 mResolveActivity.enabled = true; 10621 mResolveInfo.activityInfo = mResolveActivity; 10622 mResolveInfo.priority = 0; 10623 mResolveInfo.preferredOrder = 0; 10624 mResolveInfo.match = 0; 10625 mResolveComponentName = mCustomResolverComponentName; 10626 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10627 mResolveComponentName); 10628 } 10629 } 10630 10631 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 10632 if (installerComponent == null) { 10633 if (DEBUG_EPHEMERAL) { 10634 Slog.d(TAG, "Clear ephemeral installer activity"); 10635 } 10636 mEphemeralInstallerActivity.applicationInfo = null; 10637 return; 10638 } 10639 10640 if (DEBUG_EPHEMERAL) { 10641 Slog.d(TAG, "Set ephemeral installer activity: " + installerComponent); 10642 } 10643 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 10644 // Set up information for ephemeral installer activity 10645 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 10646 mEphemeralInstallerActivity.name = installerComponent.getClassName(); 10647 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 10648 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 10649 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10650 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10651 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10652 mEphemeralInstallerActivity.theme = 0; 10653 mEphemeralInstallerActivity.exported = true; 10654 mEphemeralInstallerActivity.enabled = true; 10655 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 10656 mEphemeralInstallerInfo.priority = 0; 10657 mEphemeralInstallerInfo.preferredOrder = 1; 10658 mEphemeralInstallerInfo.isDefault = true; 10659 mEphemeralInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10660 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10661 } 10662 10663 private static String calculateBundledApkRoot(final String codePathString) { 10664 final File codePath = new File(codePathString); 10665 final File codeRoot; 10666 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10667 codeRoot = Environment.getRootDirectory(); 10668 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10669 codeRoot = Environment.getOemDirectory(); 10670 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10671 codeRoot = Environment.getVendorDirectory(); 10672 } else { 10673 // Unrecognized code path; take its top real segment as the apk root: 10674 // e.g. /something/app/blah.apk => /something 10675 try { 10676 File f = codePath.getCanonicalFile(); 10677 File parent = f.getParentFile(); // non-null because codePath is a file 10678 File tmp; 10679 while ((tmp = parent.getParentFile()) != null) { 10680 f = parent; 10681 parent = tmp; 10682 } 10683 codeRoot = f; 10684 Slog.w(TAG, "Unrecognized code path " 10685 + codePath + " - using " + codeRoot); 10686 } catch (IOException e) { 10687 // Can't canonicalize the code path -- shenanigans? 10688 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10689 return Environment.getRootDirectory().getPath(); 10690 } 10691 } 10692 return codeRoot.getPath(); 10693 } 10694 10695 /** 10696 * Derive and set the location of native libraries for the given package, 10697 * which varies depending on where and how the package was installed. 10698 */ 10699 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10700 final ApplicationInfo info = pkg.applicationInfo; 10701 final String codePath = pkg.codePath; 10702 final File codeFile = new File(codePath); 10703 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10704 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10705 10706 info.nativeLibraryRootDir = null; 10707 info.nativeLibraryRootRequiresIsa = false; 10708 info.nativeLibraryDir = null; 10709 info.secondaryNativeLibraryDir = null; 10710 10711 if (isApkFile(codeFile)) { 10712 // Monolithic install 10713 if (bundledApp) { 10714 // If "/system/lib64/apkname" exists, assume that is the per-package 10715 // native library directory to use; otherwise use "/system/lib/apkname". 10716 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10717 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10718 getPrimaryInstructionSet(info)); 10719 10720 // This is a bundled system app so choose the path based on the ABI. 10721 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10722 // is just the default path. 10723 final String apkName = deriveCodePathName(codePath); 10724 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10725 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10726 apkName).getAbsolutePath(); 10727 10728 if (info.secondaryCpuAbi != null) { 10729 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10730 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10731 secondaryLibDir, apkName).getAbsolutePath(); 10732 } 10733 } else if (asecApp) { 10734 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10735 .getAbsolutePath(); 10736 } else { 10737 final String apkName = deriveCodePathName(codePath); 10738 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10739 .getAbsolutePath(); 10740 } 10741 10742 info.nativeLibraryRootRequiresIsa = false; 10743 info.nativeLibraryDir = info.nativeLibraryRootDir; 10744 } else { 10745 // Cluster install 10746 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10747 info.nativeLibraryRootRequiresIsa = true; 10748 10749 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10750 getPrimaryInstructionSet(info)).getAbsolutePath(); 10751 10752 if (info.secondaryCpuAbi != null) { 10753 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10754 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10755 } 10756 } 10757 } 10758 10759 /** 10760 * Calculate the abis and roots for a bundled app. These can uniquely 10761 * be determined from the contents of the system partition, i.e whether 10762 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10763 * of this information, and instead assume that the system was built 10764 * sensibly. 10765 */ 10766 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10767 PackageSetting pkgSetting) { 10768 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10769 10770 // If "/system/lib64/apkname" exists, assume that is the per-package 10771 // native library directory to use; otherwise use "/system/lib/apkname". 10772 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10773 setBundledAppAbi(pkg, apkRoot, apkName); 10774 // pkgSetting might be null during rescan following uninstall of updates 10775 // to a bundled app, so accommodate that possibility. The settings in 10776 // that case will be established later from the parsed package. 10777 // 10778 // If the settings aren't null, sync them up with what we've just derived. 10779 // note that apkRoot isn't stored in the package settings. 10780 if (pkgSetting != null) { 10781 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10782 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10783 } 10784 } 10785 10786 /** 10787 * Deduces the ABI of a bundled app and sets the relevant fields on the 10788 * parsed pkg object. 10789 * 10790 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 10791 * under which system libraries are installed. 10792 * @param apkName the name of the installed package. 10793 */ 10794 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 10795 final File codeFile = new File(pkg.codePath); 10796 10797 final boolean has64BitLibs; 10798 final boolean has32BitLibs; 10799 if (isApkFile(codeFile)) { 10800 // Monolithic install 10801 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 10802 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 10803 } else { 10804 // Cluster install 10805 final File rootDir = new File(codeFile, LIB_DIR_NAME); 10806 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 10807 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 10808 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 10809 has64BitLibs = (new File(rootDir, isa)).exists(); 10810 } else { 10811 has64BitLibs = false; 10812 } 10813 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 10814 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 10815 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 10816 has32BitLibs = (new File(rootDir, isa)).exists(); 10817 } else { 10818 has32BitLibs = false; 10819 } 10820 } 10821 10822 if (has64BitLibs && !has32BitLibs) { 10823 // The package has 64 bit libs, but not 32 bit libs. Its primary 10824 // ABI should be 64 bit. We can safely assume here that the bundled 10825 // native libraries correspond to the most preferred ABI in the list. 10826 10827 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10828 pkg.applicationInfo.secondaryCpuAbi = null; 10829 } else if (has32BitLibs && !has64BitLibs) { 10830 // The package has 32 bit libs but not 64 bit libs. Its primary 10831 // ABI should be 32 bit. 10832 10833 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10834 pkg.applicationInfo.secondaryCpuAbi = null; 10835 } else if (has32BitLibs && has64BitLibs) { 10836 // The application has both 64 and 32 bit bundled libraries. We check 10837 // here that the app declares multiArch support, and warn if it doesn't. 10838 // 10839 // We will be lenient here and record both ABIs. The primary will be the 10840 // ABI that's higher on the list, i.e, a device that's configured to prefer 10841 // 64 bit apps will see a 64 bit primary ABI, 10842 10843 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 10844 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 10845 } 10846 10847 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 10848 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10849 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10850 } else { 10851 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 10852 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 10853 } 10854 } else { 10855 pkg.applicationInfo.primaryCpuAbi = null; 10856 pkg.applicationInfo.secondaryCpuAbi = null; 10857 } 10858 } 10859 10860 private void killApplication(String pkgName, int appId, String reason) { 10861 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 10862 } 10863 10864 private void killApplication(String pkgName, int appId, int userId, String reason) { 10865 // Request the ActivityManager to kill the process(only for existing packages) 10866 // so that we do not end up in a confused state while the user is still using the older 10867 // version of the application while the new one gets installed. 10868 final long token = Binder.clearCallingIdentity(); 10869 try { 10870 IActivityManager am = ActivityManager.getService(); 10871 if (am != null) { 10872 try { 10873 am.killApplication(pkgName, appId, userId, reason); 10874 } catch (RemoteException e) { 10875 } 10876 } 10877 } finally { 10878 Binder.restoreCallingIdentity(token); 10879 } 10880 } 10881 10882 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 10883 // Remove the parent package setting 10884 PackageSetting ps = (PackageSetting) pkg.mExtras; 10885 if (ps != null) { 10886 removePackageLI(ps, chatty); 10887 } 10888 // Remove the child package setting 10889 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10890 for (int i = 0; i < childCount; i++) { 10891 PackageParser.Package childPkg = pkg.childPackages.get(i); 10892 ps = (PackageSetting) childPkg.mExtras; 10893 if (ps != null) { 10894 removePackageLI(ps, chatty); 10895 } 10896 } 10897 } 10898 10899 void removePackageLI(PackageSetting ps, boolean chatty) { 10900 if (DEBUG_INSTALL) { 10901 if (chatty) 10902 Log.d(TAG, "Removing package " + ps.name); 10903 } 10904 10905 // writer 10906 synchronized (mPackages) { 10907 mPackages.remove(ps.name); 10908 final PackageParser.Package pkg = ps.pkg; 10909 if (pkg != null) { 10910 cleanPackageDataStructuresLILPw(pkg, chatty); 10911 } 10912 } 10913 } 10914 10915 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 10916 if (DEBUG_INSTALL) { 10917 if (chatty) 10918 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 10919 } 10920 10921 // writer 10922 synchronized (mPackages) { 10923 // Remove the parent package 10924 mPackages.remove(pkg.applicationInfo.packageName); 10925 cleanPackageDataStructuresLILPw(pkg, chatty); 10926 10927 // Remove the child packages 10928 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10929 for (int i = 0; i < childCount; i++) { 10930 PackageParser.Package childPkg = pkg.childPackages.get(i); 10931 mPackages.remove(childPkg.applicationInfo.packageName); 10932 cleanPackageDataStructuresLILPw(childPkg, chatty); 10933 } 10934 } 10935 } 10936 10937 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 10938 int N = pkg.providers.size(); 10939 StringBuilder r = null; 10940 int i; 10941 for (i=0; i<N; i++) { 10942 PackageParser.Provider p = pkg.providers.get(i); 10943 mProviders.removeProvider(p); 10944 if (p.info.authority == null) { 10945 10946 /* There was another ContentProvider with this authority when 10947 * this app was installed so this authority is null, 10948 * Ignore it as we don't have to unregister the provider. 10949 */ 10950 continue; 10951 } 10952 String names[] = p.info.authority.split(";"); 10953 for (int j = 0; j < names.length; j++) { 10954 if (mProvidersByAuthority.get(names[j]) == p) { 10955 mProvidersByAuthority.remove(names[j]); 10956 if (DEBUG_REMOVE) { 10957 if (chatty) 10958 Log.d(TAG, "Unregistered content provider: " + names[j] 10959 + ", className = " + p.info.name + ", isSyncable = " 10960 + p.info.isSyncable); 10961 } 10962 } 10963 } 10964 if (DEBUG_REMOVE && chatty) { 10965 if (r == null) { 10966 r = new StringBuilder(256); 10967 } else { 10968 r.append(' '); 10969 } 10970 r.append(p.info.name); 10971 } 10972 } 10973 if (r != null) { 10974 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 10975 } 10976 10977 N = pkg.services.size(); 10978 r = null; 10979 for (i=0; i<N; i++) { 10980 PackageParser.Service s = pkg.services.get(i); 10981 mServices.removeService(s); 10982 if (chatty) { 10983 if (r == null) { 10984 r = new StringBuilder(256); 10985 } else { 10986 r.append(' '); 10987 } 10988 r.append(s.info.name); 10989 } 10990 } 10991 if (r != null) { 10992 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 10993 } 10994 10995 N = pkg.receivers.size(); 10996 r = null; 10997 for (i=0; i<N; i++) { 10998 PackageParser.Activity a = pkg.receivers.get(i); 10999 mReceivers.removeActivity(a, "receiver"); 11000 if (DEBUG_REMOVE && chatty) { 11001 if (r == null) { 11002 r = new StringBuilder(256); 11003 } else { 11004 r.append(' '); 11005 } 11006 r.append(a.info.name); 11007 } 11008 } 11009 if (r != null) { 11010 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11011 } 11012 11013 N = pkg.activities.size(); 11014 r = null; 11015 for (i=0; i<N; i++) { 11016 PackageParser.Activity a = pkg.activities.get(i); 11017 mActivities.removeActivity(a, "activity"); 11018 if (DEBUG_REMOVE && chatty) { 11019 if (r == null) { 11020 r = new StringBuilder(256); 11021 } else { 11022 r.append(' '); 11023 } 11024 r.append(a.info.name); 11025 } 11026 } 11027 if (r != null) { 11028 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11029 } 11030 11031 N = pkg.permissions.size(); 11032 r = null; 11033 for (i=0; i<N; i++) { 11034 PackageParser.Permission p = pkg.permissions.get(i); 11035 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11036 if (bp == null) { 11037 bp = mSettings.mPermissionTrees.get(p.info.name); 11038 } 11039 if (bp != null && bp.perm == p) { 11040 bp.perm = null; 11041 if (DEBUG_REMOVE && chatty) { 11042 if (r == null) { 11043 r = new StringBuilder(256); 11044 } else { 11045 r.append(' '); 11046 } 11047 r.append(p.info.name); 11048 } 11049 } 11050 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11051 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11052 if (appOpPkgs != null) { 11053 appOpPkgs.remove(pkg.packageName); 11054 } 11055 } 11056 } 11057 if (r != null) { 11058 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11059 } 11060 11061 N = pkg.requestedPermissions.size(); 11062 r = null; 11063 for (i=0; i<N; i++) { 11064 String perm = pkg.requestedPermissions.get(i); 11065 BasePermission bp = mSettings.mPermissions.get(perm); 11066 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11067 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11068 if (appOpPkgs != null) { 11069 appOpPkgs.remove(pkg.packageName); 11070 if (appOpPkgs.isEmpty()) { 11071 mAppOpPermissionPackages.remove(perm); 11072 } 11073 } 11074 } 11075 } 11076 if (r != null) { 11077 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11078 } 11079 11080 N = pkg.instrumentation.size(); 11081 r = null; 11082 for (i=0; i<N; i++) { 11083 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11084 mInstrumentation.remove(a.getComponentName()); 11085 if (DEBUG_REMOVE && chatty) { 11086 if (r == null) { 11087 r = new StringBuilder(256); 11088 } else { 11089 r.append(' '); 11090 } 11091 r.append(a.info.name); 11092 } 11093 } 11094 if (r != null) { 11095 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11096 } 11097 11098 r = null; 11099 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11100 // Only system apps can hold shared libraries. 11101 if (pkg.libraryNames != null) { 11102 for (i = 0; i < pkg.libraryNames.size(); i++) { 11103 String name = pkg.libraryNames.get(i); 11104 if (removeSharedLibraryLPw(name, 0)) { 11105 if (DEBUG_REMOVE && chatty) { 11106 if (r == null) { 11107 r = new StringBuilder(256); 11108 } else { 11109 r.append(' '); 11110 } 11111 r.append(name); 11112 } 11113 } 11114 } 11115 } 11116 } 11117 11118 r = null; 11119 11120 // Any package can hold static shared libraries. 11121 if (pkg.staticSharedLibName != null) { 11122 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11123 if (DEBUG_REMOVE && chatty) { 11124 if (r == null) { 11125 r = new StringBuilder(256); 11126 } else { 11127 r.append(' '); 11128 } 11129 r.append(pkg.staticSharedLibName); 11130 } 11131 } 11132 } 11133 11134 if (r != null) { 11135 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11136 } 11137 } 11138 11139 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11140 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11141 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11142 return true; 11143 } 11144 } 11145 return false; 11146 } 11147 11148 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11149 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11150 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11151 11152 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11153 // Update the parent permissions 11154 updatePermissionsLPw(pkg.packageName, pkg, flags); 11155 // Update the child permissions 11156 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11157 for (int i = 0; i < childCount; i++) { 11158 PackageParser.Package childPkg = pkg.childPackages.get(i); 11159 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11160 } 11161 } 11162 11163 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11164 int flags) { 11165 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11166 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11167 } 11168 11169 private void updatePermissionsLPw(String changingPkg, 11170 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11171 // Make sure there are no dangling permission trees. 11172 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11173 while (it.hasNext()) { 11174 final BasePermission bp = it.next(); 11175 if (bp.packageSetting == null) { 11176 // We may not yet have parsed the package, so just see if 11177 // we still know about its settings. 11178 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11179 } 11180 if (bp.packageSetting == null) { 11181 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11182 + " from package " + bp.sourcePackage); 11183 it.remove(); 11184 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11185 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11186 Slog.i(TAG, "Removing old permission tree: " + bp.name 11187 + " from package " + bp.sourcePackage); 11188 flags |= UPDATE_PERMISSIONS_ALL; 11189 it.remove(); 11190 } 11191 } 11192 } 11193 11194 // Make sure all dynamic permissions have been assigned to a package, 11195 // and make sure there are no dangling permissions. 11196 it = mSettings.mPermissions.values().iterator(); 11197 while (it.hasNext()) { 11198 final BasePermission bp = it.next(); 11199 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11200 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11201 + bp.name + " pkg=" + bp.sourcePackage 11202 + " info=" + bp.pendingInfo); 11203 if (bp.packageSetting == null && bp.pendingInfo != null) { 11204 final BasePermission tree = findPermissionTreeLP(bp.name); 11205 if (tree != null && tree.perm != null) { 11206 bp.packageSetting = tree.packageSetting; 11207 bp.perm = new PackageParser.Permission(tree.perm.owner, 11208 new PermissionInfo(bp.pendingInfo)); 11209 bp.perm.info.packageName = tree.perm.info.packageName; 11210 bp.perm.info.name = bp.name; 11211 bp.uid = tree.uid; 11212 } 11213 } 11214 } 11215 if (bp.packageSetting == null) { 11216 // We may not yet have parsed the package, so just see if 11217 // we still know about its settings. 11218 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11219 } 11220 if (bp.packageSetting == null) { 11221 Slog.w(TAG, "Removing dangling permission: " + bp.name 11222 + " from package " + bp.sourcePackage); 11223 it.remove(); 11224 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11225 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11226 Slog.i(TAG, "Removing old permission: " + bp.name 11227 + " from package " + bp.sourcePackage); 11228 flags |= UPDATE_PERMISSIONS_ALL; 11229 it.remove(); 11230 } 11231 } 11232 } 11233 11234 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11235 // Now update the permissions for all packages, in particular 11236 // replace the granted permissions of the system packages. 11237 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11238 for (PackageParser.Package pkg : mPackages.values()) { 11239 if (pkg != pkgInfo) { 11240 // Only replace for packages on requested volume 11241 final String volumeUuid = getVolumeUuidForPackage(pkg); 11242 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11243 && Objects.equals(replaceVolumeUuid, volumeUuid); 11244 grantPermissionsLPw(pkg, replace, changingPkg); 11245 } 11246 } 11247 } 11248 11249 if (pkgInfo != null) { 11250 // Only replace for packages on requested volume 11251 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11252 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11253 && Objects.equals(replaceVolumeUuid, volumeUuid); 11254 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11255 } 11256 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11257 } 11258 11259 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11260 String packageOfInterest) { 11261 // IMPORTANT: There are two types of permissions: install and runtime. 11262 // Install time permissions are granted when the app is installed to 11263 // all device users and users added in the future. Runtime permissions 11264 // are granted at runtime explicitly to specific users. Normal and signature 11265 // protected permissions are install time permissions. Dangerous permissions 11266 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11267 // otherwise they are runtime permissions. This function does not manage 11268 // runtime permissions except for the case an app targeting Lollipop MR1 11269 // being upgraded to target a newer SDK, in which case dangerous permissions 11270 // are transformed from install time to runtime ones. 11271 11272 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11273 if (ps == null) { 11274 return; 11275 } 11276 11277 PermissionsState permissionsState = ps.getPermissionsState(); 11278 PermissionsState origPermissions = permissionsState; 11279 11280 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11281 11282 boolean runtimePermissionsRevoked = false; 11283 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11284 11285 boolean changedInstallPermission = false; 11286 11287 if (replace) { 11288 ps.installPermissionsFixed = false; 11289 if (!ps.isSharedUser()) { 11290 origPermissions = new PermissionsState(permissionsState); 11291 permissionsState.reset(); 11292 } else { 11293 // We need to know only about runtime permission changes since the 11294 // calling code always writes the install permissions state but 11295 // the runtime ones are written only if changed. The only cases of 11296 // changed runtime permissions here are promotion of an install to 11297 // runtime and revocation of a runtime from a shared user. 11298 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11299 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11300 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11301 runtimePermissionsRevoked = true; 11302 } 11303 } 11304 } 11305 11306 permissionsState.setGlobalGids(mGlobalGids); 11307 11308 final int N = pkg.requestedPermissions.size(); 11309 for (int i=0; i<N; i++) { 11310 final String name = pkg.requestedPermissions.get(i); 11311 final BasePermission bp = mSettings.mPermissions.get(name); 11312 11313 if (DEBUG_INSTALL) { 11314 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11315 } 11316 11317 if (bp == null || bp.packageSetting == null) { 11318 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11319 Slog.w(TAG, "Unknown permission " + name 11320 + " in package " + pkg.packageName); 11321 } 11322 continue; 11323 } 11324 11325 11326 // Limit ephemeral apps to ephemeral allowed permissions. 11327 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11328 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11329 + pkg.packageName); 11330 continue; 11331 } 11332 11333 final String perm = bp.name; 11334 boolean allowedSig = false; 11335 int grant = GRANT_DENIED; 11336 11337 // Keep track of app op permissions. 11338 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11339 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11340 if (pkgs == null) { 11341 pkgs = new ArraySet<>(); 11342 mAppOpPermissionPackages.put(bp.name, pkgs); 11343 } 11344 pkgs.add(pkg.packageName); 11345 } 11346 11347 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11348 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11349 >= Build.VERSION_CODES.M; 11350 switch (level) { 11351 case PermissionInfo.PROTECTION_NORMAL: { 11352 // For all apps normal permissions are install time ones. 11353 grant = GRANT_INSTALL; 11354 } break; 11355 11356 case PermissionInfo.PROTECTION_DANGEROUS: { 11357 // If a permission review is required for legacy apps we represent 11358 // their permissions as always granted runtime ones since we need 11359 // to keep the review required permission flag per user while an 11360 // install permission's state is shared across all users. 11361 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11362 // For legacy apps dangerous permissions are install time ones. 11363 grant = GRANT_INSTALL; 11364 } else if (origPermissions.hasInstallPermission(bp.name)) { 11365 // For legacy apps that became modern, install becomes runtime. 11366 grant = GRANT_UPGRADE; 11367 } else if (mPromoteSystemApps 11368 && isSystemApp(ps) 11369 && mExistingSystemPackages.contains(ps.name)) { 11370 // For legacy system apps, install becomes runtime. 11371 // We cannot check hasInstallPermission() for system apps since those 11372 // permissions were granted implicitly and not persisted pre-M. 11373 grant = GRANT_UPGRADE; 11374 } else { 11375 // For modern apps keep runtime permissions unchanged. 11376 grant = GRANT_RUNTIME; 11377 } 11378 } break; 11379 11380 case PermissionInfo.PROTECTION_SIGNATURE: { 11381 // For all apps signature permissions are install time ones. 11382 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11383 if (allowedSig) { 11384 grant = GRANT_INSTALL; 11385 } 11386 } break; 11387 } 11388 11389 if (DEBUG_INSTALL) { 11390 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11391 } 11392 11393 if (grant != GRANT_DENIED) { 11394 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11395 // If this is an existing, non-system package, then 11396 // we can't add any new permissions to it. 11397 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11398 // Except... if this is a permission that was added 11399 // to the platform (note: need to only do this when 11400 // updating the platform). 11401 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11402 grant = GRANT_DENIED; 11403 } 11404 } 11405 } 11406 11407 switch (grant) { 11408 case GRANT_INSTALL: { 11409 // Revoke this as runtime permission to handle the case of 11410 // a runtime permission being downgraded to an install one. 11411 // Also in permission review mode we keep dangerous permissions 11412 // for legacy apps 11413 for (int userId : UserManagerService.getInstance().getUserIds()) { 11414 if (origPermissions.getRuntimePermissionState( 11415 bp.name, userId) != null) { 11416 // Revoke the runtime permission and clear the flags. 11417 origPermissions.revokeRuntimePermission(bp, userId); 11418 origPermissions.updatePermissionFlags(bp, userId, 11419 PackageManager.MASK_PERMISSION_FLAGS, 0); 11420 // If we revoked a permission permission, we have to write. 11421 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11422 changedRuntimePermissionUserIds, userId); 11423 } 11424 } 11425 // Grant an install permission. 11426 if (permissionsState.grantInstallPermission(bp) != 11427 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11428 changedInstallPermission = true; 11429 } 11430 } break; 11431 11432 case GRANT_RUNTIME: { 11433 // Grant previously granted runtime permissions. 11434 for (int userId : UserManagerService.getInstance().getUserIds()) { 11435 PermissionState permissionState = origPermissions 11436 .getRuntimePermissionState(bp.name, userId); 11437 int flags = permissionState != null 11438 ? permissionState.getFlags() : 0; 11439 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11440 // Don't propagate the permission in a permission review mode if 11441 // the former was revoked, i.e. marked to not propagate on upgrade. 11442 // Note that in a permission review mode install permissions are 11443 // represented as constantly granted runtime ones since we need to 11444 // keep a per user state associated with the permission. Also the 11445 // revoke on upgrade flag is no longer applicable and is reset. 11446 final boolean revokeOnUpgrade = (flags & PackageManager 11447 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11448 if (revokeOnUpgrade) { 11449 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11450 // Since we changed the flags, we have to write. 11451 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11452 changedRuntimePermissionUserIds, userId); 11453 } 11454 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11455 if (permissionsState.grantRuntimePermission(bp, userId) == 11456 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11457 // If we cannot put the permission as it was, 11458 // we have to write. 11459 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11460 changedRuntimePermissionUserIds, userId); 11461 } 11462 } 11463 11464 // If the app supports runtime permissions no need for a review. 11465 if (mPermissionReviewRequired 11466 && appSupportsRuntimePermissions 11467 && (flags & PackageManager 11468 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11469 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11470 // Since we changed the flags, we have to write. 11471 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11472 changedRuntimePermissionUserIds, userId); 11473 } 11474 } else if (mPermissionReviewRequired 11475 && !appSupportsRuntimePermissions) { 11476 // For legacy apps that need a permission review, every new 11477 // runtime permission is granted but it is pending a review. 11478 // We also need to review only platform defined runtime 11479 // permissions as these are the only ones the platform knows 11480 // how to disable the API to simulate revocation as legacy 11481 // apps don't expect to run with revoked permissions. 11482 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11483 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11484 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11485 // We changed the flags, hence have to write. 11486 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11487 changedRuntimePermissionUserIds, userId); 11488 } 11489 } 11490 if (permissionsState.grantRuntimePermission(bp, userId) 11491 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11492 // We changed the permission, hence have to write. 11493 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11494 changedRuntimePermissionUserIds, userId); 11495 } 11496 } 11497 // Propagate the permission flags. 11498 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11499 } 11500 } break; 11501 11502 case GRANT_UPGRADE: { 11503 // Grant runtime permissions for a previously held install permission. 11504 PermissionState permissionState = origPermissions 11505 .getInstallPermissionState(bp.name); 11506 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11507 11508 if (origPermissions.revokeInstallPermission(bp) 11509 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11510 // We will be transferring the permission flags, so clear them. 11511 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11512 PackageManager.MASK_PERMISSION_FLAGS, 0); 11513 changedInstallPermission = true; 11514 } 11515 11516 // If the permission is not to be promoted to runtime we ignore it and 11517 // also its other flags as they are not applicable to install permissions. 11518 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11519 for (int userId : currentUserIds) { 11520 if (permissionsState.grantRuntimePermission(bp, userId) != 11521 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11522 // Transfer the permission flags. 11523 permissionsState.updatePermissionFlags(bp, userId, 11524 flags, flags); 11525 // If we granted the permission, we have to write. 11526 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11527 changedRuntimePermissionUserIds, userId); 11528 } 11529 } 11530 } 11531 } break; 11532 11533 default: { 11534 if (packageOfInterest == null 11535 || packageOfInterest.equals(pkg.packageName)) { 11536 Slog.w(TAG, "Not granting permission " + perm 11537 + " to package " + pkg.packageName 11538 + " because it was previously installed without"); 11539 } 11540 } break; 11541 } 11542 } else { 11543 if (permissionsState.revokeInstallPermission(bp) != 11544 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11545 // Also drop the permission flags. 11546 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11547 PackageManager.MASK_PERMISSION_FLAGS, 0); 11548 changedInstallPermission = true; 11549 Slog.i(TAG, "Un-granting permission " + perm 11550 + " from package " + pkg.packageName 11551 + " (protectionLevel=" + bp.protectionLevel 11552 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11553 + ")"); 11554 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11555 // Don't print warning for app op permissions, since it is fine for them 11556 // not to be granted, there is a UI for the user to decide. 11557 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11558 Slog.w(TAG, "Not granting permission " + perm 11559 + " to package " + pkg.packageName 11560 + " (protectionLevel=" + bp.protectionLevel 11561 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11562 + ")"); 11563 } 11564 } 11565 } 11566 } 11567 11568 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11569 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11570 // This is the first that we have heard about this package, so the 11571 // permissions we have now selected are fixed until explicitly 11572 // changed. 11573 ps.installPermissionsFixed = true; 11574 } 11575 11576 // Persist the runtime permissions state for users with changes. If permissions 11577 // were revoked because no app in the shared user declares them we have to 11578 // write synchronously to avoid losing runtime permissions state. 11579 for (int userId : changedRuntimePermissionUserIds) { 11580 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11581 } 11582 } 11583 11584 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11585 boolean allowed = false; 11586 final int NP = PackageParser.NEW_PERMISSIONS.length; 11587 for (int ip=0; ip<NP; ip++) { 11588 final PackageParser.NewPermissionInfo npi 11589 = PackageParser.NEW_PERMISSIONS[ip]; 11590 if (npi.name.equals(perm) 11591 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11592 allowed = true; 11593 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11594 + pkg.packageName); 11595 break; 11596 } 11597 } 11598 return allowed; 11599 } 11600 11601 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11602 BasePermission bp, PermissionsState origPermissions) { 11603 boolean privilegedPermission = (bp.protectionLevel 11604 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11605 boolean privappPermissionsDisable = 11606 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11607 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11608 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11609 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11610 && !platformPackage && platformPermission) { 11611 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11612 .getPrivAppPermissions(pkg.packageName); 11613 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11614 if (!whitelisted) { 11615 Slog.w(TAG, "Privileged permission " + perm + " for package " 11616 + pkg.packageName + " - not in privapp-permissions whitelist"); 11617 if (!mSystemReady) { 11618 if (mPrivappPermissionsViolations == null) { 11619 mPrivappPermissionsViolations = new ArraySet<>(); 11620 } 11621 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11622 } 11623 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11624 return false; 11625 } 11626 } 11627 } 11628 boolean allowed = (compareSignatures( 11629 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11630 == PackageManager.SIGNATURE_MATCH) 11631 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11632 == PackageManager.SIGNATURE_MATCH); 11633 if (!allowed && privilegedPermission) { 11634 if (isSystemApp(pkg)) { 11635 // For updated system applications, a system permission 11636 // is granted only if it had been defined by the original application. 11637 if (pkg.isUpdatedSystemApp()) { 11638 final PackageSetting sysPs = mSettings 11639 .getDisabledSystemPkgLPr(pkg.packageName); 11640 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11641 // If the original was granted this permission, we take 11642 // that grant decision as read and propagate it to the 11643 // update. 11644 if (sysPs.isPrivileged()) { 11645 allowed = true; 11646 } 11647 } else { 11648 // The system apk may have been updated with an older 11649 // version of the one on the data partition, but which 11650 // granted a new system permission that it didn't have 11651 // before. In this case we do want to allow the app to 11652 // now get the new permission if the ancestral apk is 11653 // privileged to get it. 11654 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11655 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11656 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11657 allowed = true; 11658 break; 11659 } 11660 } 11661 } 11662 // Also if a privileged parent package on the system image or any of 11663 // its children requested a privileged permission, the updated child 11664 // packages can also get the permission. 11665 if (pkg.parentPackage != null) { 11666 final PackageSetting disabledSysParentPs = mSettings 11667 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11668 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11669 && disabledSysParentPs.isPrivileged()) { 11670 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11671 allowed = true; 11672 } else if (disabledSysParentPs.pkg.childPackages != null) { 11673 final int count = disabledSysParentPs.pkg.childPackages.size(); 11674 for (int i = 0; i < count; i++) { 11675 PackageParser.Package disabledSysChildPkg = 11676 disabledSysParentPs.pkg.childPackages.get(i); 11677 if (isPackageRequestingPermission(disabledSysChildPkg, 11678 perm)) { 11679 allowed = true; 11680 break; 11681 } 11682 } 11683 } 11684 } 11685 } 11686 } 11687 } else { 11688 allowed = isPrivilegedApp(pkg); 11689 } 11690 } 11691 } 11692 if (!allowed) { 11693 if (!allowed && (bp.protectionLevel 11694 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11695 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11696 // If this was a previously normal/dangerous permission that got moved 11697 // to a system permission as part of the runtime permission redesign, then 11698 // we still want to blindly grant it to old apps. 11699 allowed = true; 11700 } 11701 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11702 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11703 // If this permission is to be granted to the system installer and 11704 // this app is an installer, then it gets the permission. 11705 allowed = true; 11706 } 11707 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11708 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11709 // If this permission is to be granted to the system verifier and 11710 // this app is a verifier, then it gets the permission. 11711 allowed = true; 11712 } 11713 if (!allowed && (bp.protectionLevel 11714 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11715 && isSystemApp(pkg)) { 11716 // Any pre-installed system app is allowed to get this permission. 11717 allowed = true; 11718 } 11719 if (!allowed && (bp.protectionLevel 11720 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11721 // For development permissions, a development permission 11722 // is granted only if it was already granted. 11723 allowed = origPermissions.hasInstallPermission(perm); 11724 } 11725 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11726 && pkg.packageName.equals(mSetupWizardPackage)) { 11727 // If this permission is to be granted to the system setup wizard and 11728 // this app is a setup wizard, then it gets the permission. 11729 allowed = true; 11730 } 11731 } 11732 return allowed; 11733 } 11734 11735 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11736 final int permCount = pkg.requestedPermissions.size(); 11737 for (int j = 0; j < permCount; j++) { 11738 String requestedPermission = pkg.requestedPermissions.get(j); 11739 if (permission.equals(requestedPermission)) { 11740 return true; 11741 } 11742 } 11743 return false; 11744 } 11745 11746 final class ActivityIntentResolver 11747 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11748 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11749 boolean defaultOnly, int userId) { 11750 if (!sUserManager.exists(userId)) return null; 11751 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11752 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11753 } 11754 11755 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11756 int userId) { 11757 if (!sUserManager.exists(userId)) return null; 11758 mFlags = flags; 11759 return super.queryIntent(intent, resolvedType, 11760 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11761 userId); 11762 } 11763 11764 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11765 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11766 if (!sUserManager.exists(userId)) return null; 11767 if (packageActivities == null) { 11768 return null; 11769 } 11770 mFlags = flags; 11771 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11772 final int N = packageActivities.size(); 11773 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11774 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11775 11776 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11777 for (int i = 0; i < N; ++i) { 11778 intentFilters = packageActivities.get(i).intents; 11779 if (intentFilters != null && intentFilters.size() > 0) { 11780 PackageParser.ActivityIntentInfo[] array = 11781 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11782 intentFilters.toArray(array); 11783 listCut.add(array); 11784 } 11785 } 11786 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11787 } 11788 11789 /** 11790 * Finds a privileged activity that matches the specified activity names. 11791 */ 11792 private PackageParser.Activity findMatchingActivity( 11793 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11794 for (PackageParser.Activity sysActivity : activityList) { 11795 if (sysActivity.info.name.equals(activityInfo.name)) { 11796 return sysActivity; 11797 } 11798 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11799 return sysActivity; 11800 } 11801 if (sysActivity.info.targetActivity != null) { 11802 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11803 return sysActivity; 11804 } 11805 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11806 return sysActivity; 11807 } 11808 } 11809 } 11810 return null; 11811 } 11812 11813 public class IterGenerator<E> { 11814 public Iterator<E> generate(ActivityIntentInfo info) { 11815 return null; 11816 } 11817 } 11818 11819 public class ActionIterGenerator extends IterGenerator<String> { 11820 @Override 11821 public Iterator<String> generate(ActivityIntentInfo info) { 11822 return info.actionsIterator(); 11823 } 11824 } 11825 11826 public class CategoriesIterGenerator extends IterGenerator<String> { 11827 @Override 11828 public Iterator<String> generate(ActivityIntentInfo info) { 11829 return info.categoriesIterator(); 11830 } 11831 } 11832 11833 public class SchemesIterGenerator extends IterGenerator<String> { 11834 @Override 11835 public Iterator<String> generate(ActivityIntentInfo info) { 11836 return info.schemesIterator(); 11837 } 11838 } 11839 11840 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11841 @Override 11842 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11843 return info.authoritiesIterator(); 11844 } 11845 } 11846 11847 /** 11848 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11849 * MODIFIED. Do not pass in a list that should not be changed. 11850 */ 11851 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11852 IterGenerator<T> generator, Iterator<T> searchIterator) { 11853 // loop through the set of actions; every one must be found in the intent filter 11854 while (searchIterator.hasNext()) { 11855 // we must have at least one filter in the list to consider a match 11856 if (intentList.size() == 0) { 11857 break; 11858 } 11859 11860 final T searchAction = searchIterator.next(); 11861 11862 // loop through the set of intent filters 11863 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11864 while (intentIter.hasNext()) { 11865 final ActivityIntentInfo intentInfo = intentIter.next(); 11866 boolean selectionFound = false; 11867 11868 // loop through the intent filter's selection criteria; at least one 11869 // of them must match the searched criteria 11870 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11871 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11872 final T intentSelection = intentSelectionIter.next(); 11873 if (intentSelection != null && intentSelection.equals(searchAction)) { 11874 selectionFound = true; 11875 break; 11876 } 11877 } 11878 11879 // the selection criteria wasn't found in this filter's set; this filter 11880 // is not a potential match 11881 if (!selectionFound) { 11882 intentIter.remove(); 11883 } 11884 } 11885 } 11886 } 11887 11888 private boolean isProtectedAction(ActivityIntentInfo filter) { 11889 final Iterator<String> actionsIter = filter.actionsIterator(); 11890 while (actionsIter != null && actionsIter.hasNext()) { 11891 final String filterAction = actionsIter.next(); 11892 if (PROTECTED_ACTIONS.contains(filterAction)) { 11893 return true; 11894 } 11895 } 11896 return false; 11897 } 11898 11899 /** 11900 * Adjusts the priority of the given intent filter according to policy. 11901 * <p> 11902 * <ul> 11903 * <li>The priority for non privileged applications is capped to '0'</li> 11904 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11905 * <li>The priority for unbundled updates to privileged applications is capped to the 11906 * priority defined on the system partition</li> 11907 * </ul> 11908 * <p> 11909 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11910 * allowed to obtain any priority on any action. 11911 */ 11912 private void adjustPriority( 11913 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11914 // nothing to do; priority is fine as-is 11915 if (intent.getPriority() <= 0) { 11916 return; 11917 } 11918 11919 final ActivityInfo activityInfo = intent.activity.info; 11920 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11921 11922 final boolean privilegedApp = 11923 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11924 if (!privilegedApp) { 11925 // non-privileged applications can never define a priority >0 11926 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 11927 + " package: " + applicationInfo.packageName 11928 + " activity: " + intent.activity.className 11929 + " origPrio: " + intent.getPriority()); 11930 intent.setPriority(0); 11931 return; 11932 } 11933 11934 if (systemActivities == null) { 11935 // the system package is not disabled; we're parsing the system partition 11936 if (isProtectedAction(intent)) { 11937 if (mDeferProtectedFilters) { 11938 // We can't deal with these just yet. No component should ever obtain a 11939 // >0 priority for a protected actions, with ONE exception -- the setup 11940 // wizard. The setup wizard, however, cannot be known until we're able to 11941 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11942 // until all intent filters have been processed. Chicken, meet egg. 11943 // Let the filter temporarily have a high priority and rectify the 11944 // priorities after all system packages have been scanned. 11945 mProtectedFilters.add(intent); 11946 if (DEBUG_FILTERS) { 11947 Slog.i(TAG, "Protected action; save for later;" 11948 + " package: " + applicationInfo.packageName 11949 + " activity: " + intent.activity.className 11950 + " origPrio: " + intent.getPriority()); 11951 } 11952 return; 11953 } else { 11954 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11955 Slog.i(TAG, "No setup wizard;" 11956 + " All protected intents capped to priority 0"); 11957 } 11958 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11959 if (DEBUG_FILTERS) { 11960 Slog.i(TAG, "Found setup wizard;" 11961 + " allow priority " + intent.getPriority() + ";" 11962 + " package: " + intent.activity.info.packageName 11963 + " activity: " + intent.activity.className 11964 + " priority: " + intent.getPriority()); 11965 } 11966 // setup wizard gets whatever it wants 11967 return; 11968 } 11969 Slog.w(TAG, "Protected action; cap priority to 0;" 11970 + " package: " + intent.activity.info.packageName 11971 + " activity: " + intent.activity.className 11972 + " origPrio: " + intent.getPriority()); 11973 intent.setPriority(0); 11974 return; 11975 } 11976 } 11977 // privileged apps on the system image get whatever priority they request 11978 return; 11979 } 11980 11981 // privileged app unbundled update ... try to find the same activity 11982 final PackageParser.Activity foundActivity = 11983 findMatchingActivity(systemActivities, activityInfo); 11984 if (foundActivity == null) { 11985 // this is a new activity; it cannot obtain >0 priority 11986 if (DEBUG_FILTERS) { 11987 Slog.i(TAG, "New activity; cap priority to 0;" 11988 + " package: " + applicationInfo.packageName 11989 + " activity: " + intent.activity.className 11990 + " origPrio: " + intent.getPriority()); 11991 } 11992 intent.setPriority(0); 11993 return; 11994 } 11995 11996 // found activity, now check for filter equivalence 11997 11998 // a shallow copy is enough; we modify the list, not its contents 11999 final List<ActivityIntentInfo> intentListCopy = 12000 new ArrayList<>(foundActivity.intents); 12001 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12002 12003 // find matching action subsets 12004 final Iterator<String> actionsIterator = intent.actionsIterator(); 12005 if (actionsIterator != null) { 12006 getIntentListSubset( 12007 intentListCopy, new ActionIterGenerator(), actionsIterator); 12008 if (intentListCopy.size() == 0) { 12009 // no more intents to match; we're not equivalent 12010 if (DEBUG_FILTERS) { 12011 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12012 + " package: " + applicationInfo.packageName 12013 + " activity: " + intent.activity.className 12014 + " origPrio: " + intent.getPriority()); 12015 } 12016 intent.setPriority(0); 12017 return; 12018 } 12019 } 12020 12021 // find matching category subsets 12022 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12023 if (categoriesIterator != null) { 12024 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12025 categoriesIterator); 12026 if (intentListCopy.size() == 0) { 12027 // no more intents to match; we're not equivalent 12028 if (DEBUG_FILTERS) { 12029 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12030 + " package: " + applicationInfo.packageName 12031 + " activity: " + intent.activity.className 12032 + " origPrio: " + intent.getPriority()); 12033 } 12034 intent.setPriority(0); 12035 return; 12036 } 12037 } 12038 12039 // find matching schemes subsets 12040 final Iterator<String> schemesIterator = intent.schemesIterator(); 12041 if (schemesIterator != null) { 12042 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12043 schemesIterator); 12044 if (intentListCopy.size() == 0) { 12045 // no more intents to match; we're not equivalent 12046 if (DEBUG_FILTERS) { 12047 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12048 + " package: " + applicationInfo.packageName 12049 + " activity: " + intent.activity.className 12050 + " origPrio: " + intent.getPriority()); 12051 } 12052 intent.setPriority(0); 12053 return; 12054 } 12055 } 12056 12057 // find matching authorities subsets 12058 final Iterator<IntentFilter.AuthorityEntry> 12059 authoritiesIterator = intent.authoritiesIterator(); 12060 if (authoritiesIterator != null) { 12061 getIntentListSubset(intentListCopy, 12062 new AuthoritiesIterGenerator(), 12063 authoritiesIterator); 12064 if (intentListCopy.size() == 0) { 12065 // no more intents to match; we're not equivalent 12066 if (DEBUG_FILTERS) { 12067 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12068 + " package: " + applicationInfo.packageName 12069 + " activity: " + intent.activity.className 12070 + " origPrio: " + intent.getPriority()); 12071 } 12072 intent.setPriority(0); 12073 return; 12074 } 12075 } 12076 12077 // we found matching filter(s); app gets the max priority of all intents 12078 int cappedPriority = 0; 12079 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12080 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12081 } 12082 if (intent.getPriority() > cappedPriority) { 12083 if (DEBUG_FILTERS) { 12084 Slog.i(TAG, "Found matching filter(s);" 12085 + " cap priority to " + cappedPriority + ";" 12086 + " package: " + applicationInfo.packageName 12087 + " activity: " + intent.activity.className 12088 + " origPrio: " + intent.getPriority()); 12089 } 12090 intent.setPriority(cappedPriority); 12091 return; 12092 } 12093 // all this for nothing; the requested priority was <= what was on the system 12094 } 12095 12096 public final void addActivity(PackageParser.Activity a, String type) { 12097 mActivities.put(a.getComponentName(), a); 12098 if (DEBUG_SHOW_INFO) 12099 Log.v( 12100 TAG, " " + type + " " + 12101 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12102 if (DEBUG_SHOW_INFO) 12103 Log.v(TAG, " Class=" + a.info.name); 12104 final int NI = a.intents.size(); 12105 for (int j=0; j<NI; j++) { 12106 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12107 if ("activity".equals(type)) { 12108 final PackageSetting ps = 12109 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12110 final List<PackageParser.Activity> systemActivities = 12111 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12112 adjustPriority(systemActivities, intent); 12113 } 12114 if (DEBUG_SHOW_INFO) { 12115 Log.v(TAG, " IntentFilter:"); 12116 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12117 } 12118 if (!intent.debugCheck()) { 12119 Log.w(TAG, "==> For Activity " + a.info.name); 12120 } 12121 addFilter(intent); 12122 } 12123 } 12124 12125 public final void removeActivity(PackageParser.Activity a, String type) { 12126 mActivities.remove(a.getComponentName()); 12127 if (DEBUG_SHOW_INFO) { 12128 Log.v(TAG, " " + type + " " 12129 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12130 : a.info.name) + ":"); 12131 Log.v(TAG, " Class=" + a.info.name); 12132 } 12133 final int NI = a.intents.size(); 12134 for (int j=0; j<NI; j++) { 12135 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12136 if (DEBUG_SHOW_INFO) { 12137 Log.v(TAG, " IntentFilter:"); 12138 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12139 } 12140 removeFilter(intent); 12141 } 12142 } 12143 12144 @Override 12145 protected boolean allowFilterResult( 12146 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12147 ActivityInfo filterAi = filter.activity.info; 12148 for (int i=dest.size()-1; i>=0; i--) { 12149 ActivityInfo destAi = dest.get(i).activityInfo; 12150 if (destAi.name == filterAi.name 12151 && destAi.packageName == filterAi.packageName) { 12152 return false; 12153 } 12154 } 12155 return true; 12156 } 12157 12158 @Override 12159 protected ActivityIntentInfo[] newArray(int size) { 12160 return new ActivityIntentInfo[size]; 12161 } 12162 12163 @Override 12164 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12165 if (!sUserManager.exists(userId)) return true; 12166 PackageParser.Package p = filter.activity.owner; 12167 if (p != null) { 12168 PackageSetting ps = (PackageSetting)p.mExtras; 12169 if (ps != null) { 12170 // System apps are never considered stopped for purposes of 12171 // filtering, because there may be no way for the user to 12172 // actually re-launch them. 12173 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12174 && ps.getStopped(userId); 12175 } 12176 } 12177 return false; 12178 } 12179 12180 @Override 12181 protected boolean isPackageForFilter(String packageName, 12182 PackageParser.ActivityIntentInfo info) { 12183 return packageName.equals(info.activity.owner.packageName); 12184 } 12185 12186 @Override 12187 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12188 int match, int userId) { 12189 if (!sUserManager.exists(userId)) return null; 12190 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12191 return null; 12192 } 12193 final PackageParser.Activity activity = info.activity; 12194 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12195 if (ps == null) { 12196 return null; 12197 } 12198 final PackageUserState userState = ps.readUserState(userId); 12199 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 12200 userState, userId); 12201 if (ai == null) { 12202 return null; 12203 } 12204 final boolean matchVisibleToInstantApp = 12205 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12206 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12207 // throw out filters that aren't visible to ephemeral apps 12208 if (matchVisibleToInstantApp 12209 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12210 return null; 12211 } 12212 // throw out ephemeral filters if we're not explicitly requesting them 12213 if (!isInstantApp && userState.instantApp) { 12214 return null; 12215 } 12216 final ResolveInfo res = new ResolveInfo(); 12217 res.activityInfo = ai; 12218 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12219 res.filter = info; 12220 } 12221 if (info != null) { 12222 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12223 } 12224 res.priority = info.getPriority(); 12225 res.preferredOrder = activity.owner.mPreferredOrder; 12226 //System.out.println("Result: " + res.activityInfo.className + 12227 // " = " + res.priority); 12228 res.match = match; 12229 res.isDefault = info.hasDefault; 12230 res.labelRes = info.labelRes; 12231 res.nonLocalizedLabel = info.nonLocalizedLabel; 12232 if (userNeedsBadging(userId)) { 12233 res.noResourceId = true; 12234 } else { 12235 res.icon = info.icon; 12236 } 12237 res.iconResourceId = info.icon; 12238 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12239 return res; 12240 } 12241 12242 @Override 12243 protected void sortResults(List<ResolveInfo> results) { 12244 Collections.sort(results, mResolvePrioritySorter); 12245 } 12246 12247 @Override 12248 protected void dumpFilter(PrintWriter out, String prefix, 12249 PackageParser.ActivityIntentInfo filter) { 12250 out.print(prefix); out.print( 12251 Integer.toHexString(System.identityHashCode(filter.activity))); 12252 out.print(' '); 12253 filter.activity.printComponentShortName(out); 12254 out.print(" filter "); 12255 out.println(Integer.toHexString(System.identityHashCode(filter))); 12256 } 12257 12258 @Override 12259 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12260 return filter.activity; 12261 } 12262 12263 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12264 PackageParser.Activity activity = (PackageParser.Activity)label; 12265 out.print(prefix); out.print( 12266 Integer.toHexString(System.identityHashCode(activity))); 12267 out.print(' '); 12268 activity.printComponentShortName(out); 12269 if (count > 1) { 12270 out.print(" ("); out.print(count); out.print(" filters)"); 12271 } 12272 out.println(); 12273 } 12274 12275 // Keys are String (activity class name), values are Activity. 12276 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12277 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12278 private int mFlags; 12279 } 12280 12281 private final class ServiceIntentResolver 12282 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12283 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12284 boolean defaultOnly, int userId) { 12285 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12286 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12287 } 12288 12289 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12290 int userId) { 12291 if (!sUserManager.exists(userId)) return null; 12292 mFlags = flags; 12293 return super.queryIntent(intent, resolvedType, 12294 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12295 userId); 12296 } 12297 12298 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12299 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12300 if (!sUserManager.exists(userId)) return null; 12301 if (packageServices == null) { 12302 return null; 12303 } 12304 mFlags = flags; 12305 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12306 final int N = packageServices.size(); 12307 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12308 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12309 12310 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12311 for (int i = 0; i < N; ++i) { 12312 intentFilters = packageServices.get(i).intents; 12313 if (intentFilters != null && intentFilters.size() > 0) { 12314 PackageParser.ServiceIntentInfo[] array = 12315 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12316 intentFilters.toArray(array); 12317 listCut.add(array); 12318 } 12319 } 12320 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12321 } 12322 12323 public final void addService(PackageParser.Service s) { 12324 mServices.put(s.getComponentName(), s); 12325 if (DEBUG_SHOW_INFO) { 12326 Log.v(TAG, " " 12327 + (s.info.nonLocalizedLabel != null 12328 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12329 Log.v(TAG, " Class=" + s.info.name); 12330 } 12331 final int NI = s.intents.size(); 12332 int j; 12333 for (j=0; j<NI; j++) { 12334 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12335 if (DEBUG_SHOW_INFO) { 12336 Log.v(TAG, " IntentFilter:"); 12337 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12338 } 12339 if (!intent.debugCheck()) { 12340 Log.w(TAG, "==> For Service " + s.info.name); 12341 } 12342 addFilter(intent); 12343 } 12344 } 12345 12346 public final void removeService(PackageParser.Service s) { 12347 mServices.remove(s.getComponentName()); 12348 if (DEBUG_SHOW_INFO) { 12349 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12350 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12351 Log.v(TAG, " Class=" + s.info.name); 12352 } 12353 final int NI = s.intents.size(); 12354 int j; 12355 for (j=0; j<NI; j++) { 12356 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12357 if (DEBUG_SHOW_INFO) { 12358 Log.v(TAG, " IntentFilter:"); 12359 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12360 } 12361 removeFilter(intent); 12362 } 12363 } 12364 12365 @Override 12366 protected boolean allowFilterResult( 12367 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12368 ServiceInfo filterSi = filter.service.info; 12369 for (int i=dest.size()-1; i>=0; i--) { 12370 ServiceInfo destAi = dest.get(i).serviceInfo; 12371 if (destAi.name == filterSi.name 12372 && destAi.packageName == filterSi.packageName) { 12373 return false; 12374 } 12375 } 12376 return true; 12377 } 12378 12379 @Override 12380 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12381 return new PackageParser.ServiceIntentInfo[size]; 12382 } 12383 12384 @Override 12385 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12386 if (!sUserManager.exists(userId)) return true; 12387 PackageParser.Package p = filter.service.owner; 12388 if (p != null) { 12389 PackageSetting ps = (PackageSetting)p.mExtras; 12390 if (ps != null) { 12391 // System apps are never considered stopped for purposes of 12392 // filtering, because there may be no way for the user to 12393 // actually re-launch them. 12394 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12395 && ps.getStopped(userId); 12396 } 12397 } 12398 return false; 12399 } 12400 12401 @Override 12402 protected boolean isPackageForFilter(String packageName, 12403 PackageParser.ServiceIntentInfo info) { 12404 return packageName.equals(info.service.owner.packageName); 12405 } 12406 12407 @Override 12408 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12409 int match, int userId) { 12410 if (!sUserManager.exists(userId)) return null; 12411 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12412 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12413 return null; 12414 } 12415 final PackageParser.Service service = info.service; 12416 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12417 if (ps == null) { 12418 return null; 12419 } 12420 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12421 ps.readUserState(userId), userId); 12422 if (si == null) { 12423 return null; 12424 } 12425 final ResolveInfo res = new ResolveInfo(); 12426 res.serviceInfo = si; 12427 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12428 res.filter = filter; 12429 } 12430 res.priority = info.getPriority(); 12431 res.preferredOrder = service.owner.mPreferredOrder; 12432 res.match = match; 12433 res.isDefault = info.hasDefault; 12434 res.labelRes = info.labelRes; 12435 res.nonLocalizedLabel = info.nonLocalizedLabel; 12436 res.icon = info.icon; 12437 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12438 return res; 12439 } 12440 12441 @Override 12442 protected void sortResults(List<ResolveInfo> results) { 12443 Collections.sort(results, mResolvePrioritySorter); 12444 } 12445 12446 @Override 12447 protected void dumpFilter(PrintWriter out, String prefix, 12448 PackageParser.ServiceIntentInfo filter) { 12449 out.print(prefix); out.print( 12450 Integer.toHexString(System.identityHashCode(filter.service))); 12451 out.print(' '); 12452 filter.service.printComponentShortName(out); 12453 out.print(" filter "); 12454 out.println(Integer.toHexString(System.identityHashCode(filter))); 12455 } 12456 12457 @Override 12458 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12459 return filter.service; 12460 } 12461 12462 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12463 PackageParser.Service service = (PackageParser.Service)label; 12464 out.print(prefix); out.print( 12465 Integer.toHexString(System.identityHashCode(service))); 12466 out.print(' '); 12467 service.printComponentShortName(out); 12468 if (count > 1) { 12469 out.print(" ("); out.print(count); out.print(" filters)"); 12470 } 12471 out.println(); 12472 } 12473 12474// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12475// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12476// final List<ResolveInfo> retList = Lists.newArrayList(); 12477// while (i.hasNext()) { 12478// final ResolveInfo resolveInfo = (ResolveInfo) i; 12479// if (isEnabledLP(resolveInfo.serviceInfo)) { 12480// retList.add(resolveInfo); 12481// } 12482// } 12483// return retList; 12484// } 12485 12486 // Keys are String (activity class name), values are Activity. 12487 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12488 = new ArrayMap<ComponentName, PackageParser.Service>(); 12489 private int mFlags; 12490 } 12491 12492 private final class ProviderIntentResolver 12493 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12494 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12495 boolean defaultOnly, int userId) { 12496 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12497 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12498 } 12499 12500 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12501 int userId) { 12502 if (!sUserManager.exists(userId)) 12503 return null; 12504 mFlags = flags; 12505 return super.queryIntent(intent, resolvedType, 12506 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12507 userId); 12508 } 12509 12510 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12511 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12512 if (!sUserManager.exists(userId)) 12513 return null; 12514 if (packageProviders == null) { 12515 return null; 12516 } 12517 mFlags = flags; 12518 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12519 final int N = packageProviders.size(); 12520 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12521 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12522 12523 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12524 for (int i = 0; i < N; ++i) { 12525 intentFilters = packageProviders.get(i).intents; 12526 if (intentFilters != null && intentFilters.size() > 0) { 12527 PackageParser.ProviderIntentInfo[] array = 12528 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12529 intentFilters.toArray(array); 12530 listCut.add(array); 12531 } 12532 } 12533 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12534 } 12535 12536 public final void addProvider(PackageParser.Provider p) { 12537 if (mProviders.containsKey(p.getComponentName())) { 12538 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12539 return; 12540 } 12541 12542 mProviders.put(p.getComponentName(), p); 12543 if (DEBUG_SHOW_INFO) { 12544 Log.v(TAG, " " 12545 + (p.info.nonLocalizedLabel != null 12546 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12547 Log.v(TAG, " Class=" + p.info.name); 12548 } 12549 final int NI = p.intents.size(); 12550 int j; 12551 for (j = 0; j < NI; j++) { 12552 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12553 if (DEBUG_SHOW_INFO) { 12554 Log.v(TAG, " IntentFilter:"); 12555 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12556 } 12557 if (!intent.debugCheck()) { 12558 Log.w(TAG, "==> For Provider " + p.info.name); 12559 } 12560 addFilter(intent); 12561 } 12562 } 12563 12564 public final void removeProvider(PackageParser.Provider p) { 12565 mProviders.remove(p.getComponentName()); 12566 if (DEBUG_SHOW_INFO) { 12567 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12568 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12569 Log.v(TAG, " Class=" + p.info.name); 12570 } 12571 final int NI = p.intents.size(); 12572 int j; 12573 for (j = 0; j < NI; j++) { 12574 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12575 if (DEBUG_SHOW_INFO) { 12576 Log.v(TAG, " IntentFilter:"); 12577 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12578 } 12579 removeFilter(intent); 12580 } 12581 } 12582 12583 @Override 12584 protected boolean allowFilterResult( 12585 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12586 ProviderInfo filterPi = filter.provider.info; 12587 for (int i = dest.size() - 1; i >= 0; i--) { 12588 ProviderInfo destPi = dest.get(i).providerInfo; 12589 if (destPi.name == filterPi.name 12590 && destPi.packageName == filterPi.packageName) { 12591 return false; 12592 } 12593 } 12594 return true; 12595 } 12596 12597 @Override 12598 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12599 return new PackageParser.ProviderIntentInfo[size]; 12600 } 12601 12602 @Override 12603 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12604 if (!sUserManager.exists(userId)) 12605 return true; 12606 PackageParser.Package p = filter.provider.owner; 12607 if (p != null) { 12608 PackageSetting ps = (PackageSetting) p.mExtras; 12609 if (ps != null) { 12610 // System apps are never considered stopped for purposes of 12611 // filtering, because there may be no way for the user to 12612 // actually re-launch them. 12613 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12614 && ps.getStopped(userId); 12615 } 12616 } 12617 return false; 12618 } 12619 12620 @Override 12621 protected boolean isPackageForFilter(String packageName, 12622 PackageParser.ProviderIntentInfo info) { 12623 return packageName.equals(info.provider.owner.packageName); 12624 } 12625 12626 @Override 12627 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12628 int match, int userId) { 12629 if (!sUserManager.exists(userId)) 12630 return null; 12631 final PackageParser.ProviderIntentInfo info = filter; 12632 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12633 return null; 12634 } 12635 final PackageParser.Provider provider = info.provider; 12636 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12637 if (ps == null) { 12638 return null; 12639 } 12640 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12641 ps.readUserState(userId), userId); 12642 if (pi == null) { 12643 return null; 12644 } 12645 final ResolveInfo res = new ResolveInfo(); 12646 res.providerInfo = pi; 12647 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12648 res.filter = filter; 12649 } 12650 res.priority = info.getPriority(); 12651 res.preferredOrder = provider.owner.mPreferredOrder; 12652 res.match = match; 12653 res.isDefault = info.hasDefault; 12654 res.labelRes = info.labelRes; 12655 res.nonLocalizedLabel = info.nonLocalizedLabel; 12656 res.icon = info.icon; 12657 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12658 return res; 12659 } 12660 12661 @Override 12662 protected void sortResults(List<ResolveInfo> results) { 12663 Collections.sort(results, mResolvePrioritySorter); 12664 } 12665 12666 @Override 12667 protected void dumpFilter(PrintWriter out, String prefix, 12668 PackageParser.ProviderIntentInfo filter) { 12669 out.print(prefix); 12670 out.print( 12671 Integer.toHexString(System.identityHashCode(filter.provider))); 12672 out.print(' '); 12673 filter.provider.printComponentShortName(out); 12674 out.print(" filter "); 12675 out.println(Integer.toHexString(System.identityHashCode(filter))); 12676 } 12677 12678 @Override 12679 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12680 return filter.provider; 12681 } 12682 12683 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12684 PackageParser.Provider provider = (PackageParser.Provider)label; 12685 out.print(prefix); out.print( 12686 Integer.toHexString(System.identityHashCode(provider))); 12687 out.print(' '); 12688 provider.printComponentShortName(out); 12689 if (count > 1) { 12690 out.print(" ("); out.print(count); out.print(" filters)"); 12691 } 12692 out.println(); 12693 } 12694 12695 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12696 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12697 private int mFlags; 12698 } 12699 12700 static final class EphemeralIntentResolver 12701 extends IntentResolver<EphemeralResponse, EphemeralResponse> { 12702 /** 12703 * The result that has the highest defined order. Ordering applies on a 12704 * per-package basis. Mapping is from package name to Pair of order and 12705 * EphemeralResolveInfo. 12706 * <p> 12707 * NOTE: This is implemented as a field variable for convenience and efficiency. 12708 * By having a field variable, we're able to track filter ordering as soon as 12709 * a non-zero order is defined. Otherwise, multiple loops across the result set 12710 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12711 * this needs to be contained entirely within {@link #filterResults()}. 12712 */ 12713 final ArrayMap<String, Pair<Integer, EphemeralResolveInfo>> mOrderResult = new ArrayMap<>(); 12714 12715 @Override 12716 protected EphemeralResponse[] newArray(int size) { 12717 return new EphemeralResponse[size]; 12718 } 12719 12720 @Override 12721 protected boolean isPackageForFilter(String packageName, EphemeralResponse responseObj) { 12722 return true; 12723 } 12724 12725 @Override 12726 protected EphemeralResponse newResult(EphemeralResponse responseObj, int match, 12727 int userId) { 12728 if (!sUserManager.exists(userId)) { 12729 return null; 12730 } 12731 final String packageName = responseObj.resolveInfo.getPackageName(); 12732 final Integer order = responseObj.getOrder(); 12733 final Pair<Integer, EphemeralResolveInfo> lastOrderResult = 12734 mOrderResult.get(packageName); 12735 // ordering is enabled and this item's order isn't high enough 12736 if (lastOrderResult != null && lastOrderResult.first >= order) { 12737 return null; 12738 } 12739 final EphemeralResolveInfo res = responseObj.resolveInfo; 12740 if (order > 0) { 12741 // non-zero order, enable ordering 12742 mOrderResult.put(packageName, new Pair<>(order, res)); 12743 } 12744 return responseObj; 12745 } 12746 12747 @Override 12748 protected void filterResults(List<EphemeralResponse> results) { 12749 // only do work if ordering is enabled [most of the time it won't be] 12750 if (mOrderResult.size() == 0) { 12751 return; 12752 } 12753 int resultSize = results.size(); 12754 for (int i = 0; i < resultSize; i++) { 12755 final EphemeralResolveInfo info = results.get(i).resolveInfo; 12756 final String packageName = info.getPackageName(); 12757 final Pair<Integer, EphemeralResolveInfo> savedInfo = mOrderResult.get(packageName); 12758 if (savedInfo == null) { 12759 // package doesn't having ordering 12760 continue; 12761 } 12762 if (savedInfo.second == info) { 12763 // circled back to the highest ordered item; remove from order list 12764 mOrderResult.remove(savedInfo); 12765 if (mOrderResult.size() == 0) { 12766 // no more ordered items 12767 break; 12768 } 12769 continue; 12770 } 12771 // item has a worse order, remove it from the result list 12772 results.remove(i); 12773 resultSize--; 12774 i--; 12775 } 12776 } 12777 } 12778 12779 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12780 new Comparator<ResolveInfo>() { 12781 public int compare(ResolveInfo r1, ResolveInfo r2) { 12782 int v1 = r1.priority; 12783 int v2 = r2.priority; 12784 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12785 if (v1 != v2) { 12786 return (v1 > v2) ? -1 : 1; 12787 } 12788 v1 = r1.preferredOrder; 12789 v2 = r2.preferredOrder; 12790 if (v1 != v2) { 12791 return (v1 > v2) ? -1 : 1; 12792 } 12793 if (r1.isDefault != r2.isDefault) { 12794 return r1.isDefault ? -1 : 1; 12795 } 12796 v1 = r1.match; 12797 v2 = r2.match; 12798 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12799 if (v1 != v2) { 12800 return (v1 > v2) ? -1 : 1; 12801 } 12802 if (r1.system != r2.system) { 12803 return r1.system ? -1 : 1; 12804 } 12805 if (r1.activityInfo != null) { 12806 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12807 } 12808 if (r1.serviceInfo != null) { 12809 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12810 } 12811 if (r1.providerInfo != null) { 12812 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12813 } 12814 return 0; 12815 } 12816 }; 12817 12818 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12819 new Comparator<ProviderInfo>() { 12820 public int compare(ProviderInfo p1, ProviderInfo p2) { 12821 final int v1 = p1.initOrder; 12822 final int v2 = p2.initOrder; 12823 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12824 } 12825 }; 12826 12827 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12828 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12829 final int[] userIds) { 12830 mHandler.post(new Runnable() { 12831 @Override 12832 public void run() { 12833 try { 12834 final IActivityManager am = ActivityManager.getService(); 12835 if (am == null) return; 12836 final int[] resolvedUserIds; 12837 if (userIds == null) { 12838 resolvedUserIds = am.getRunningUserIds(); 12839 } else { 12840 resolvedUserIds = userIds; 12841 } 12842 for (int id : resolvedUserIds) { 12843 final Intent intent = new Intent(action, 12844 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12845 if (extras != null) { 12846 intent.putExtras(extras); 12847 } 12848 if (targetPkg != null) { 12849 intent.setPackage(targetPkg); 12850 } 12851 // Modify the UID when posting to other users 12852 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12853 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12854 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12855 intent.putExtra(Intent.EXTRA_UID, uid); 12856 } 12857 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12858 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12859 if (DEBUG_BROADCASTS) { 12860 RuntimeException here = new RuntimeException("here"); 12861 here.fillInStackTrace(); 12862 Slog.d(TAG, "Sending to user " + id + ": " 12863 + intent.toShortString(false, true, false, false) 12864 + " " + intent.getExtras(), here); 12865 } 12866 am.broadcastIntent(null, intent, null, finishedReceiver, 12867 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12868 null, finishedReceiver != null, false, id); 12869 } 12870 } catch (RemoteException ex) { 12871 } 12872 } 12873 }); 12874 } 12875 12876 /** 12877 * Check if the external storage media is available. This is true if there 12878 * is a mounted external storage medium or if the external storage is 12879 * emulated. 12880 */ 12881 private boolean isExternalMediaAvailable() { 12882 return mMediaMounted || Environment.isExternalStorageEmulated(); 12883 } 12884 12885 @Override 12886 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12887 // writer 12888 synchronized (mPackages) { 12889 if (!isExternalMediaAvailable()) { 12890 // If the external storage is no longer mounted at this point, 12891 // the caller may not have been able to delete all of this 12892 // packages files and can not delete any more. Bail. 12893 return null; 12894 } 12895 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12896 if (lastPackage != null) { 12897 pkgs.remove(lastPackage); 12898 } 12899 if (pkgs.size() > 0) { 12900 return pkgs.get(0); 12901 } 12902 } 12903 return null; 12904 } 12905 12906 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12907 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12908 userId, andCode ? 1 : 0, packageName); 12909 if (mSystemReady) { 12910 msg.sendToTarget(); 12911 } else { 12912 if (mPostSystemReadyMessages == null) { 12913 mPostSystemReadyMessages = new ArrayList<>(); 12914 } 12915 mPostSystemReadyMessages.add(msg); 12916 } 12917 } 12918 12919 void startCleaningPackages() { 12920 // reader 12921 if (!isExternalMediaAvailable()) { 12922 return; 12923 } 12924 synchronized (mPackages) { 12925 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12926 return; 12927 } 12928 } 12929 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12930 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12931 IActivityManager am = ActivityManager.getService(); 12932 if (am != null) { 12933 try { 12934 am.startService(null, intent, null, -1, null, mContext.getOpPackageName(), 12935 UserHandle.USER_SYSTEM); 12936 } catch (RemoteException e) { 12937 } 12938 } 12939 } 12940 12941 @Override 12942 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12943 int installFlags, String installerPackageName, int userId) { 12944 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12945 12946 final int callingUid = Binder.getCallingUid(); 12947 enforceCrossUserPermission(callingUid, userId, 12948 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12949 12950 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12951 try { 12952 if (observer != null) { 12953 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12954 } 12955 } catch (RemoteException re) { 12956 } 12957 return; 12958 } 12959 12960 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12961 installFlags |= PackageManager.INSTALL_FROM_ADB; 12962 12963 } else { 12964 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12965 // about installerPackageName. 12966 12967 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12968 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12969 } 12970 12971 UserHandle user; 12972 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12973 user = UserHandle.ALL; 12974 } else { 12975 user = new UserHandle(userId); 12976 } 12977 12978 // Only system components can circumvent runtime permissions when installing. 12979 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12980 && mContext.checkCallingOrSelfPermission(Manifest.permission 12981 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12982 throw new SecurityException("You need the " 12983 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12984 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12985 } 12986 12987 final File originFile = new File(originPath); 12988 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12989 12990 final Message msg = mHandler.obtainMessage(INIT_COPY); 12991 final VerificationInfo verificationInfo = new VerificationInfo( 12992 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12993 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12994 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12995 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12996 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12997 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12998 msg.obj = params; 12999 13000 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 13001 System.identityHashCode(msg.obj)); 13002 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13003 System.identityHashCode(msg.obj)); 13004 13005 mHandler.sendMessage(msg); 13006 } 13007 13008 13009 /** 13010 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13011 * it is acting on behalf on an enterprise or the user). 13012 * 13013 * Note that the ordering of the conditionals in this method is important. The checks we perform 13014 * are as follows, in this order: 13015 * 13016 * 1) If the install is being performed by a system app, we can trust the app to have set the 13017 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13018 * what it is. 13019 * 2) If the install is being performed by a device or profile owner app, the install reason 13020 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13021 * set the install reason correctly. If the app targets an older SDK version where install 13022 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13023 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13024 * 3) In all other cases, the install is being performed by a regular app that is neither part 13025 * of the system nor a device or profile owner. We have no reason to believe that this app is 13026 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13027 * set to enterprise policy and if so, change it to unknown instead. 13028 */ 13029 private int fixUpInstallReason(String installerPackageName, int installerUid, 13030 int installReason) { 13031 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13032 == PERMISSION_GRANTED) { 13033 // If the install is being performed by a system app, we trust that app to have set the 13034 // install reason correctly. 13035 return installReason; 13036 } 13037 13038 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13039 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13040 if (dpm != null) { 13041 ComponentName owner = null; 13042 try { 13043 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13044 if (owner == null) { 13045 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13046 } 13047 } catch (RemoteException e) { 13048 } 13049 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13050 // If the install is being performed by a device or profile owner, the install 13051 // reason should be enterprise policy. 13052 return PackageManager.INSTALL_REASON_POLICY; 13053 } 13054 } 13055 13056 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13057 // If the install is being performed by a regular app (i.e. neither system app nor 13058 // device or profile owner), we have no reason to believe that the app is acting on 13059 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13060 // change it to unknown instead. 13061 return PackageManager.INSTALL_REASON_UNKNOWN; 13062 } 13063 13064 // If the install is being performed by a regular app and the install reason was set to any 13065 // value but enterprise policy, leave the install reason unchanged. 13066 return installReason; 13067 } 13068 13069 void installStage(String packageName, File stagedDir, String stagedCid, 13070 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13071 String installerPackageName, int installerUid, UserHandle user, 13072 Certificate[][] certificates) { 13073 if (DEBUG_EPHEMERAL) { 13074 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13075 Slog.d(TAG, "Ephemeral install of " + packageName); 13076 } 13077 } 13078 final VerificationInfo verificationInfo = new VerificationInfo( 13079 sessionParams.originatingUri, sessionParams.referrerUri, 13080 sessionParams.originatingUid, installerUid); 13081 13082 final OriginInfo origin; 13083 if (stagedDir != null) { 13084 origin = OriginInfo.fromStagedFile(stagedDir); 13085 } else { 13086 origin = OriginInfo.fromStagedContainer(stagedCid); 13087 } 13088 13089 final Message msg = mHandler.obtainMessage(INIT_COPY); 13090 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13091 sessionParams.installReason); 13092 final InstallParams params = new InstallParams(origin, null, observer, 13093 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13094 verificationInfo, user, sessionParams.abiOverride, 13095 sessionParams.grantedRuntimePermissions, certificates, installReason); 13096 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13097 msg.obj = params; 13098 13099 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13100 System.identityHashCode(msg.obj)); 13101 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13102 System.identityHashCode(msg.obj)); 13103 13104 mHandler.sendMessage(msg); 13105 } 13106 13107 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13108 int userId) { 13109 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13110 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13111 } 13112 13113 private void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 13114 int appId, int... userIds) { 13115 if (ArrayUtils.isEmpty(userIds)) { 13116 return; 13117 } 13118 Bundle extras = new Bundle(1); 13119 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13120 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13121 13122 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13123 packageName, extras, 0, null, null, userIds); 13124 if (isSystem) { 13125 mHandler.post(() -> { 13126 for (int userId : userIds) { 13127 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13128 } 13129 } 13130 ); 13131 } 13132 } 13133 13134 /** 13135 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13136 * automatically without needing an explicit launch. 13137 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13138 */ 13139 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13140 // If user is not running, the app didn't miss any broadcast 13141 if (!mUserManagerInternal.isUserRunning(userId)) { 13142 return; 13143 } 13144 final IActivityManager am = ActivityManager.getService(); 13145 try { 13146 // Deliver LOCKED_BOOT_COMPLETED first 13147 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13148 .setPackage(packageName); 13149 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13150 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13151 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13152 13153 // Deliver BOOT_COMPLETED only if user is unlocked 13154 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13155 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13156 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13157 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13158 } 13159 } catch (RemoteException e) { 13160 throw e.rethrowFromSystemServer(); 13161 } 13162 } 13163 13164 @Override 13165 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13166 int userId) { 13167 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13168 PackageSetting pkgSetting; 13169 final int uid = Binder.getCallingUid(); 13170 enforceCrossUserPermission(uid, userId, 13171 true /* requireFullPermission */, true /* checkShell */, 13172 "setApplicationHiddenSetting for user " + userId); 13173 13174 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13175 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13176 return false; 13177 } 13178 13179 long callingId = Binder.clearCallingIdentity(); 13180 try { 13181 boolean sendAdded = false; 13182 boolean sendRemoved = false; 13183 // writer 13184 synchronized (mPackages) { 13185 pkgSetting = mSettings.mPackages.get(packageName); 13186 if (pkgSetting == null) { 13187 return false; 13188 } 13189 // Do not allow "android" is being disabled 13190 if ("android".equals(packageName)) { 13191 Slog.w(TAG, "Cannot hide package: android"); 13192 return false; 13193 } 13194 // Cannot hide static shared libs as they are considered 13195 // a part of the using app (emulating static linking). Also 13196 // static libs are installed always on internal storage. 13197 PackageParser.Package pkg = mPackages.get(packageName); 13198 if (pkg != null && pkg.staticSharedLibName != null) { 13199 Slog.w(TAG, "Cannot hide package: " + packageName 13200 + " providing static shared library: " 13201 + pkg.staticSharedLibName); 13202 return false; 13203 } 13204 // Only allow protected packages to hide themselves. 13205 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13206 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13207 Slog.w(TAG, "Not hiding protected package: " + packageName); 13208 return false; 13209 } 13210 13211 if (pkgSetting.getHidden(userId) != hidden) { 13212 pkgSetting.setHidden(hidden, userId); 13213 mSettings.writePackageRestrictionsLPr(userId); 13214 if (hidden) { 13215 sendRemoved = true; 13216 } else { 13217 sendAdded = true; 13218 } 13219 } 13220 } 13221 if (sendAdded) { 13222 sendPackageAddedForUser(packageName, pkgSetting, userId); 13223 return true; 13224 } 13225 if (sendRemoved) { 13226 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13227 "hiding pkg"); 13228 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13229 return true; 13230 } 13231 } finally { 13232 Binder.restoreCallingIdentity(callingId); 13233 } 13234 return false; 13235 } 13236 13237 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13238 int userId) { 13239 final PackageRemovedInfo info = new PackageRemovedInfo(); 13240 info.removedPackage = packageName; 13241 info.removedUsers = new int[] {userId}; 13242 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13243 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13244 } 13245 13246 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13247 if (pkgList.length > 0) { 13248 Bundle extras = new Bundle(1); 13249 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13250 13251 sendPackageBroadcast( 13252 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13253 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13254 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13255 new int[] {userId}); 13256 } 13257 } 13258 13259 /** 13260 * Returns true if application is not found or there was an error. Otherwise it returns 13261 * the hidden state of the package for the given user. 13262 */ 13263 @Override 13264 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13265 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13266 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13267 true /* requireFullPermission */, false /* checkShell */, 13268 "getApplicationHidden for user " + userId); 13269 PackageSetting pkgSetting; 13270 long callingId = Binder.clearCallingIdentity(); 13271 try { 13272 // writer 13273 synchronized (mPackages) { 13274 pkgSetting = mSettings.mPackages.get(packageName); 13275 if (pkgSetting == null) { 13276 return true; 13277 } 13278 return pkgSetting.getHidden(userId); 13279 } 13280 } finally { 13281 Binder.restoreCallingIdentity(callingId); 13282 } 13283 } 13284 13285 /** 13286 * @hide 13287 */ 13288 @Override 13289 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13290 int installReason) { 13291 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13292 null); 13293 PackageSetting pkgSetting; 13294 final int uid = Binder.getCallingUid(); 13295 enforceCrossUserPermission(uid, userId, 13296 true /* requireFullPermission */, true /* checkShell */, 13297 "installExistingPackage for user " + userId); 13298 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13299 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13300 } 13301 13302 long callingId = Binder.clearCallingIdentity(); 13303 try { 13304 boolean installed = false; 13305 final boolean instantApp = 13306 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13307 final boolean fullApp = 13308 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13309 13310 // writer 13311 synchronized (mPackages) { 13312 pkgSetting = mSettings.mPackages.get(packageName); 13313 if (pkgSetting == null) { 13314 return PackageManager.INSTALL_FAILED_INVALID_URI; 13315 } 13316 if (!pkgSetting.getInstalled(userId)) { 13317 pkgSetting.setInstalled(true, userId); 13318 pkgSetting.setHidden(false, userId); 13319 pkgSetting.setInstallReason(installReason, userId); 13320 mSettings.writePackageRestrictionsLPr(userId); 13321 mSettings.writeKernelMappingLPr(pkgSetting); 13322 installed = true; 13323 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13324 // upgrade app from instant to full; we don't allow app downgrade 13325 installed = true; 13326 } 13327 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13328 } 13329 13330 if (installed) { 13331 if (pkgSetting.pkg != null) { 13332 synchronized (mInstallLock) { 13333 // We don't need to freeze for a brand new install 13334 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13335 } 13336 } 13337 sendPackageAddedForUser(packageName, pkgSetting, userId); 13338 synchronized (mPackages) { 13339 updateSequenceNumberLP(packageName, new int[]{ userId }); 13340 } 13341 } 13342 } finally { 13343 Binder.restoreCallingIdentity(callingId); 13344 } 13345 13346 return PackageManager.INSTALL_SUCCEEDED; 13347 } 13348 13349 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13350 boolean instantApp, boolean fullApp) { 13351 // no state specified; do nothing 13352 if (!instantApp && !fullApp) { 13353 return; 13354 } 13355 if (userId != UserHandle.USER_ALL) { 13356 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13357 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13358 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13359 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13360 } 13361 } else { 13362 for (int currentUserId : sUserManager.getUserIds()) { 13363 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13364 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13365 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13366 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13367 } 13368 } 13369 } 13370 } 13371 13372 boolean isUserRestricted(int userId, String restrictionKey) { 13373 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13374 if (restrictions.getBoolean(restrictionKey, false)) { 13375 Log.w(TAG, "User is restricted: " + restrictionKey); 13376 return true; 13377 } 13378 return false; 13379 } 13380 13381 @Override 13382 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13383 int userId) { 13384 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13385 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13386 true /* requireFullPermission */, true /* checkShell */, 13387 "setPackagesSuspended for user " + userId); 13388 13389 if (ArrayUtils.isEmpty(packageNames)) { 13390 return packageNames; 13391 } 13392 13393 // List of package names for whom the suspended state has changed. 13394 List<String> changedPackages = new ArrayList<>(packageNames.length); 13395 // List of package names for whom the suspended state is not set as requested in this 13396 // method. 13397 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13398 long callingId = Binder.clearCallingIdentity(); 13399 try { 13400 for (int i = 0; i < packageNames.length; i++) { 13401 String packageName = packageNames[i]; 13402 boolean changed = false; 13403 final int appId; 13404 synchronized (mPackages) { 13405 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13406 if (pkgSetting == null) { 13407 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13408 + "\". Skipping suspending/un-suspending."); 13409 unactionedPackages.add(packageName); 13410 continue; 13411 } 13412 appId = pkgSetting.appId; 13413 if (pkgSetting.getSuspended(userId) != suspended) { 13414 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13415 unactionedPackages.add(packageName); 13416 continue; 13417 } 13418 pkgSetting.setSuspended(suspended, userId); 13419 mSettings.writePackageRestrictionsLPr(userId); 13420 changed = true; 13421 changedPackages.add(packageName); 13422 } 13423 } 13424 13425 if (changed && suspended) { 13426 killApplication(packageName, UserHandle.getUid(userId, appId), 13427 "suspending package"); 13428 } 13429 } 13430 } finally { 13431 Binder.restoreCallingIdentity(callingId); 13432 } 13433 13434 if (!changedPackages.isEmpty()) { 13435 sendPackagesSuspendedForUser(changedPackages.toArray( 13436 new String[changedPackages.size()]), userId, suspended); 13437 } 13438 13439 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13440 } 13441 13442 @Override 13443 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13444 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13445 true /* requireFullPermission */, false /* checkShell */, 13446 "isPackageSuspendedForUser for user " + userId); 13447 synchronized (mPackages) { 13448 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13449 if (pkgSetting == null) { 13450 throw new IllegalArgumentException("Unknown target package: " + packageName); 13451 } 13452 return pkgSetting.getSuspended(userId); 13453 } 13454 } 13455 13456 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13457 if (isPackageDeviceAdmin(packageName, userId)) { 13458 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13459 + "\": has an active device admin"); 13460 return false; 13461 } 13462 13463 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13464 if (packageName.equals(activeLauncherPackageName)) { 13465 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13466 + "\": contains the active launcher"); 13467 return false; 13468 } 13469 13470 if (packageName.equals(mRequiredInstallerPackage)) { 13471 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13472 + "\": required for package installation"); 13473 return false; 13474 } 13475 13476 if (packageName.equals(mRequiredUninstallerPackage)) { 13477 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13478 + "\": required for package uninstallation"); 13479 return false; 13480 } 13481 13482 if (packageName.equals(mRequiredVerifierPackage)) { 13483 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13484 + "\": required for package verification"); 13485 return false; 13486 } 13487 13488 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13489 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13490 + "\": is the default dialer"); 13491 return false; 13492 } 13493 13494 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13495 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13496 + "\": protected package"); 13497 return false; 13498 } 13499 13500 // Cannot suspend static shared libs as they are considered 13501 // a part of the using app (emulating static linking). Also 13502 // static libs are installed always on internal storage. 13503 PackageParser.Package pkg = mPackages.get(packageName); 13504 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13505 Slog.w(TAG, "Cannot suspend package: " + packageName 13506 + " providing static shared library: " 13507 + pkg.staticSharedLibName); 13508 return false; 13509 } 13510 13511 return true; 13512 } 13513 13514 private String getActiveLauncherPackageName(int userId) { 13515 Intent intent = new Intent(Intent.ACTION_MAIN); 13516 intent.addCategory(Intent.CATEGORY_HOME); 13517 ResolveInfo resolveInfo = resolveIntent( 13518 intent, 13519 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13520 PackageManager.MATCH_DEFAULT_ONLY, 13521 userId); 13522 13523 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13524 } 13525 13526 private String getDefaultDialerPackageName(int userId) { 13527 synchronized (mPackages) { 13528 return mSettings.getDefaultDialerPackageNameLPw(userId); 13529 } 13530 } 13531 13532 @Override 13533 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13534 mContext.enforceCallingOrSelfPermission( 13535 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13536 "Only package verification agents can verify applications"); 13537 13538 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13539 final PackageVerificationResponse response = new PackageVerificationResponse( 13540 verificationCode, Binder.getCallingUid()); 13541 msg.arg1 = id; 13542 msg.obj = response; 13543 mHandler.sendMessage(msg); 13544 } 13545 13546 @Override 13547 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13548 long millisecondsToDelay) { 13549 mContext.enforceCallingOrSelfPermission( 13550 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13551 "Only package verification agents can extend verification timeouts"); 13552 13553 final PackageVerificationState state = mPendingVerification.get(id); 13554 final PackageVerificationResponse response = new PackageVerificationResponse( 13555 verificationCodeAtTimeout, Binder.getCallingUid()); 13556 13557 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13558 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13559 } 13560 if (millisecondsToDelay < 0) { 13561 millisecondsToDelay = 0; 13562 } 13563 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13564 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13565 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13566 } 13567 13568 if ((state != null) && !state.timeoutExtended()) { 13569 state.extendTimeout(); 13570 13571 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13572 msg.arg1 = id; 13573 msg.obj = response; 13574 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13575 } 13576 } 13577 13578 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13579 int verificationCode, UserHandle user) { 13580 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13581 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13582 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13583 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13584 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13585 13586 mContext.sendBroadcastAsUser(intent, user, 13587 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13588 } 13589 13590 private ComponentName matchComponentForVerifier(String packageName, 13591 List<ResolveInfo> receivers) { 13592 ActivityInfo targetReceiver = null; 13593 13594 final int NR = receivers.size(); 13595 for (int i = 0; i < NR; i++) { 13596 final ResolveInfo info = receivers.get(i); 13597 if (info.activityInfo == null) { 13598 continue; 13599 } 13600 13601 if (packageName.equals(info.activityInfo.packageName)) { 13602 targetReceiver = info.activityInfo; 13603 break; 13604 } 13605 } 13606 13607 if (targetReceiver == null) { 13608 return null; 13609 } 13610 13611 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13612 } 13613 13614 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13615 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13616 if (pkgInfo.verifiers.length == 0) { 13617 return null; 13618 } 13619 13620 final int N = pkgInfo.verifiers.length; 13621 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13622 for (int i = 0; i < N; i++) { 13623 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13624 13625 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13626 receivers); 13627 if (comp == null) { 13628 continue; 13629 } 13630 13631 final int verifierUid = getUidForVerifier(verifierInfo); 13632 if (verifierUid == -1) { 13633 continue; 13634 } 13635 13636 if (DEBUG_VERIFY) { 13637 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13638 + " with the correct signature"); 13639 } 13640 sufficientVerifiers.add(comp); 13641 verificationState.addSufficientVerifier(verifierUid); 13642 } 13643 13644 return sufficientVerifiers; 13645 } 13646 13647 private int getUidForVerifier(VerifierInfo verifierInfo) { 13648 synchronized (mPackages) { 13649 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13650 if (pkg == null) { 13651 return -1; 13652 } else if (pkg.mSignatures.length != 1) { 13653 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13654 + " has more than one signature; ignoring"); 13655 return -1; 13656 } 13657 13658 /* 13659 * If the public key of the package's signature does not match 13660 * our expected public key, then this is a different package and 13661 * we should skip. 13662 */ 13663 13664 final byte[] expectedPublicKey; 13665 try { 13666 final Signature verifierSig = pkg.mSignatures[0]; 13667 final PublicKey publicKey = verifierSig.getPublicKey(); 13668 expectedPublicKey = publicKey.getEncoded(); 13669 } catch (CertificateException e) { 13670 return -1; 13671 } 13672 13673 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13674 13675 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13676 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13677 + " does not have the expected public key; ignoring"); 13678 return -1; 13679 } 13680 13681 return pkg.applicationInfo.uid; 13682 } 13683 } 13684 13685 @Override 13686 public void finishPackageInstall(int token, boolean didLaunch) { 13687 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13688 13689 if (DEBUG_INSTALL) { 13690 Slog.v(TAG, "BM finishing package install for " + token); 13691 } 13692 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13693 13694 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13695 mHandler.sendMessage(msg); 13696 } 13697 13698 /** 13699 * Get the verification agent timeout. 13700 * 13701 * @return verification timeout in milliseconds 13702 */ 13703 private long getVerificationTimeout() { 13704 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13705 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13706 DEFAULT_VERIFICATION_TIMEOUT); 13707 } 13708 13709 /** 13710 * Get the default verification agent response code. 13711 * 13712 * @return default verification response code 13713 */ 13714 private int getDefaultVerificationResponse() { 13715 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13716 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13717 DEFAULT_VERIFICATION_RESPONSE); 13718 } 13719 13720 /** 13721 * Check whether or not package verification has been enabled. 13722 * 13723 * @return true if verification should be performed 13724 */ 13725 private boolean isVerificationEnabled(int userId, int installFlags) { 13726 if (!DEFAULT_VERIFY_ENABLE) { 13727 return false; 13728 } 13729 // Ephemeral apps don't get the full verification treatment 13730 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13731 if (DEBUG_EPHEMERAL) { 13732 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 13733 } 13734 return false; 13735 } 13736 13737 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13738 13739 // Check if installing from ADB 13740 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13741 // Do not run verification in a test harness environment 13742 if (ActivityManager.isRunningInTestHarness()) { 13743 return false; 13744 } 13745 if (ensureVerifyAppsEnabled) { 13746 return true; 13747 } 13748 // Check if the developer does not want package verification for ADB installs 13749 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13750 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13751 return false; 13752 } 13753 } 13754 13755 if (ensureVerifyAppsEnabled) { 13756 return true; 13757 } 13758 13759 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13760 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13761 } 13762 13763 @Override 13764 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13765 throws RemoteException { 13766 mContext.enforceCallingOrSelfPermission( 13767 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13768 "Only intentfilter verification agents can verify applications"); 13769 13770 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13771 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13772 Binder.getCallingUid(), verificationCode, failedDomains); 13773 msg.arg1 = id; 13774 msg.obj = response; 13775 mHandler.sendMessage(msg); 13776 } 13777 13778 @Override 13779 public int getIntentVerificationStatus(String packageName, int userId) { 13780 synchronized (mPackages) { 13781 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13782 } 13783 } 13784 13785 @Override 13786 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13787 mContext.enforceCallingOrSelfPermission( 13788 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13789 13790 boolean result = false; 13791 synchronized (mPackages) { 13792 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13793 } 13794 if (result) { 13795 scheduleWritePackageRestrictionsLocked(userId); 13796 } 13797 return result; 13798 } 13799 13800 @Override 13801 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13802 String packageName) { 13803 synchronized (mPackages) { 13804 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13805 } 13806 } 13807 13808 @Override 13809 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13810 if (TextUtils.isEmpty(packageName)) { 13811 return ParceledListSlice.emptyList(); 13812 } 13813 synchronized (mPackages) { 13814 PackageParser.Package pkg = mPackages.get(packageName); 13815 if (pkg == null || pkg.activities == null) { 13816 return ParceledListSlice.emptyList(); 13817 } 13818 final int count = pkg.activities.size(); 13819 ArrayList<IntentFilter> result = new ArrayList<>(); 13820 for (int n=0; n<count; n++) { 13821 PackageParser.Activity activity = pkg.activities.get(n); 13822 if (activity.intents != null && activity.intents.size() > 0) { 13823 result.addAll(activity.intents); 13824 } 13825 } 13826 return new ParceledListSlice<>(result); 13827 } 13828 } 13829 13830 @Override 13831 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13832 mContext.enforceCallingOrSelfPermission( 13833 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13834 13835 synchronized (mPackages) { 13836 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13837 if (packageName != null) { 13838 result |= updateIntentVerificationStatus(packageName, 13839 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 13840 userId); 13841 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 13842 packageName, userId); 13843 } 13844 return result; 13845 } 13846 } 13847 13848 @Override 13849 public String getDefaultBrowserPackageName(int userId) { 13850 synchronized (mPackages) { 13851 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13852 } 13853 } 13854 13855 /** 13856 * Get the "allow unknown sources" setting. 13857 * 13858 * @return the current "allow unknown sources" setting 13859 */ 13860 private int getUnknownSourcesSettings() { 13861 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13862 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13863 -1); 13864 } 13865 13866 @Override 13867 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13868 final int uid = Binder.getCallingUid(); 13869 // writer 13870 synchronized (mPackages) { 13871 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13872 if (targetPackageSetting == null) { 13873 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13874 } 13875 13876 PackageSetting installerPackageSetting; 13877 if (installerPackageName != null) { 13878 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13879 if (installerPackageSetting == null) { 13880 throw new IllegalArgumentException("Unknown installer package: " 13881 + installerPackageName); 13882 } 13883 } else { 13884 installerPackageSetting = null; 13885 } 13886 13887 Signature[] callerSignature; 13888 Object obj = mSettings.getUserIdLPr(uid); 13889 if (obj != null) { 13890 if (obj instanceof SharedUserSetting) { 13891 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13892 } else if (obj instanceof PackageSetting) { 13893 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13894 } else { 13895 throw new SecurityException("Bad object " + obj + " for uid " + uid); 13896 } 13897 } else { 13898 throw new SecurityException("Unknown calling UID: " + uid); 13899 } 13900 13901 // Verify: can't set installerPackageName to a package that is 13902 // not signed with the same cert as the caller. 13903 if (installerPackageSetting != null) { 13904 if (compareSignatures(callerSignature, 13905 installerPackageSetting.signatures.mSignatures) 13906 != PackageManager.SIGNATURE_MATCH) { 13907 throw new SecurityException( 13908 "Caller does not have same cert as new installer package " 13909 + installerPackageName); 13910 } 13911 } 13912 13913 // Verify: if target already has an installer package, it must 13914 // be signed with the same cert as the caller. 13915 if (targetPackageSetting.installerPackageName != null) { 13916 PackageSetting setting = mSettings.mPackages.get( 13917 targetPackageSetting.installerPackageName); 13918 // If the currently set package isn't valid, then it's always 13919 // okay to change it. 13920 if (setting != null) { 13921 if (compareSignatures(callerSignature, 13922 setting.signatures.mSignatures) 13923 != PackageManager.SIGNATURE_MATCH) { 13924 throw new SecurityException( 13925 "Caller does not have same cert as old installer package " 13926 + targetPackageSetting.installerPackageName); 13927 } 13928 } 13929 } 13930 13931 // Okay! 13932 targetPackageSetting.installerPackageName = installerPackageName; 13933 if (installerPackageName != null) { 13934 mSettings.mInstallerPackages.add(installerPackageName); 13935 } 13936 scheduleWriteSettingsLocked(); 13937 } 13938 } 13939 13940 @Override 13941 public void setApplicationCategoryHint(String packageName, int categoryHint, 13942 String callerPackageName) { 13943 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13944 callerPackageName); 13945 synchronized (mPackages) { 13946 PackageSetting ps = mSettings.mPackages.get(packageName); 13947 if (ps == null) { 13948 throw new IllegalArgumentException("Unknown target package " + packageName); 13949 } 13950 13951 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13952 throw new IllegalArgumentException("Calling package " + callerPackageName 13953 + " is not installer for " + packageName); 13954 } 13955 13956 if (ps.categoryHint != categoryHint) { 13957 ps.categoryHint = categoryHint; 13958 scheduleWriteSettingsLocked(); 13959 } 13960 } 13961 } 13962 13963 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13964 // Queue up an async operation since the package installation may take a little while. 13965 mHandler.post(new Runnable() { 13966 public void run() { 13967 mHandler.removeCallbacks(this); 13968 // Result object to be returned 13969 PackageInstalledInfo res = new PackageInstalledInfo(); 13970 res.setReturnCode(currentStatus); 13971 res.uid = -1; 13972 res.pkg = null; 13973 res.removedInfo = null; 13974 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13975 args.doPreInstall(res.returnCode); 13976 synchronized (mInstallLock) { 13977 installPackageTracedLI(args, res); 13978 } 13979 args.doPostInstall(res.returnCode, res.uid); 13980 } 13981 13982 // A restore should be performed at this point if (a) the install 13983 // succeeded, (b) the operation is not an update, and (c) the new 13984 // package has not opted out of backup participation. 13985 final boolean update = res.removedInfo != null 13986 && res.removedInfo.removedPackage != null; 13987 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13988 boolean doRestore = !update 13989 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13990 13991 // Set up the post-install work request bookkeeping. This will be used 13992 // and cleaned up by the post-install event handling regardless of whether 13993 // there's a restore pass performed. Token values are >= 1. 13994 int token; 13995 if (mNextInstallToken < 0) mNextInstallToken = 1; 13996 token = mNextInstallToken++; 13997 13998 PostInstallData data = new PostInstallData(args, res); 13999 mRunningInstalls.put(token, data); 14000 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14001 14002 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14003 // Pass responsibility to the Backup Manager. It will perform a 14004 // restore if appropriate, then pass responsibility back to the 14005 // Package Manager to run the post-install observer callbacks 14006 // and broadcasts. 14007 IBackupManager bm = IBackupManager.Stub.asInterface( 14008 ServiceManager.getService(Context.BACKUP_SERVICE)); 14009 if (bm != null) { 14010 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14011 + " to BM for possible restore"); 14012 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14013 try { 14014 // TODO: http://b/22388012 14015 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14016 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14017 } else { 14018 doRestore = false; 14019 } 14020 } catch (RemoteException e) { 14021 // can't happen; the backup manager is local 14022 } catch (Exception e) { 14023 Slog.e(TAG, "Exception trying to enqueue restore", e); 14024 doRestore = false; 14025 } 14026 } else { 14027 Slog.e(TAG, "Backup Manager not found!"); 14028 doRestore = false; 14029 } 14030 } 14031 14032 if (!doRestore) { 14033 // No restore possible, or the Backup Manager was mysteriously not 14034 // available -- just fire the post-install work request directly. 14035 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14036 14037 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14038 14039 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14040 mHandler.sendMessage(msg); 14041 } 14042 } 14043 }); 14044 } 14045 14046 /** 14047 * Callback from PackageSettings whenever an app is first transitioned out of the 14048 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14049 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14050 * here whether the app is the target of an ongoing install, and only send the 14051 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14052 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14053 * handling. 14054 */ 14055 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14056 // Serialize this with the rest of the install-process message chain. In the 14057 // restore-at-install case, this Runnable will necessarily run before the 14058 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14059 // are coherent. In the non-restore case, the app has already completed install 14060 // and been launched through some other means, so it is not in a problematic 14061 // state for observers to see the FIRST_LAUNCH signal. 14062 mHandler.post(new Runnable() { 14063 @Override 14064 public void run() { 14065 for (int i = 0; i < mRunningInstalls.size(); i++) { 14066 final PostInstallData data = mRunningInstalls.valueAt(i); 14067 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14068 continue; 14069 } 14070 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14071 // right package; but is it for the right user? 14072 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14073 if (userId == data.res.newUsers[uIndex]) { 14074 if (DEBUG_BACKUP) { 14075 Slog.i(TAG, "Package " + pkgName 14076 + " being restored so deferring FIRST_LAUNCH"); 14077 } 14078 return; 14079 } 14080 } 14081 } 14082 } 14083 // didn't find it, so not being restored 14084 if (DEBUG_BACKUP) { 14085 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14086 } 14087 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14088 } 14089 }); 14090 } 14091 14092 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14093 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14094 installerPkg, null, userIds); 14095 } 14096 14097 private abstract class HandlerParams { 14098 private static final int MAX_RETRIES = 4; 14099 14100 /** 14101 * Number of times startCopy() has been attempted and had a non-fatal 14102 * error. 14103 */ 14104 private int mRetries = 0; 14105 14106 /** User handle for the user requesting the information or installation. */ 14107 private final UserHandle mUser; 14108 String traceMethod; 14109 int traceCookie; 14110 14111 HandlerParams(UserHandle user) { 14112 mUser = user; 14113 } 14114 14115 UserHandle getUser() { 14116 return mUser; 14117 } 14118 14119 HandlerParams setTraceMethod(String traceMethod) { 14120 this.traceMethod = traceMethod; 14121 return this; 14122 } 14123 14124 HandlerParams setTraceCookie(int traceCookie) { 14125 this.traceCookie = traceCookie; 14126 return this; 14127 } 14128 14129 final boolean startCopy() { 14130 boolean res; 14131 try { 14132 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14133 14134 if (++mRetries > MAX_RETRIES) { 14135 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14136 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14137 handleServiceError(); 14138 return false; 14139 } else { 14140 handleStartCopy(); 14141 res = true; 14142 } 14143 } catch (RemoteException e) { 14144 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14145 mHandler.sendEmptyMessage(MCS_RECONNECT); 14146 res = false; 14147 } 14148 handleReturnCode(); 14149 return res; 14150 } 14151 14152 final void serviceError() { 14153 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14154 handleServiceError(); 14155 handleReturnCode(); 14156 } 14157 14158 abstract void handleStartCopy() throws RemoteException; 14159 abstract void handleServiceError(); 14160 abstract void handleReturnCode(); 14161 } 14162 14163 class MeasureParams extends HandlerParams { 14164 private final PackageStats mStats; 14165 private boolean mSuccess; 14166 14167 private final IPackageStatsObserver mObserver; 14168 14169 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 14170 super(new UserHandle(stats.userHandle)); 14171 mObserver = observer; 14172 mStats = stats; 14173 } 14174 14175 @Override 14176 public String toString() { 14177 return "MeasureParams{" 14178 + Integer.toHexString(System.identityHashCode(this)) 14179 + " " + mStats.packageName + "}"; 14180 } 14181 14182 @Override 14183 void handleStartCopy() throws RemoteException { 14184 synchronized (mInstallLock) { 14185 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 14186 } 14187 14188 if (mSuccess) { 14189 boolean mounted = false; 14190 try { 14191 final String status = Environment.getExternalStorageState(); 14192 mounted = (Environment.MEDIA_MOUNTED.equals(status) 14193 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 14194 } catch (Exception e) { 14195 } 14196 14197 if (mounted) { 14198 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 14199 14200 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 14201 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 14202 14203 mStats.externalDataSize = calculateDirectorySize(mContainerService, 14204 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 14205 14206 // Always subtract cache size, since it's a subdirectory 14207 mStats.externalDataSize -= mStats.externalCacheSize; 14208 14209 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 14210 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 14211 14212 mStats.externalObbSize = calculateDirectorySize(mContainerService, 14213 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 14214 } 14215 } 14216 } 14217 14218 @Override 14219 void handleReturnCode() { 14220 if (mObserver != null) { 14221 try { 14222 mObserver.onGetStatsCompleted(mStats, mSuccess); 14223 } catch (RemoteException e) { 14224 Slog.i(TAG, "Observer no longer exists."); 14225 } 14226 } 14227 } 14228 14229 @Override 14230 void handleServiceError() { 14231 Slog.e(TAG, "Could not measure application " + mStats.packageName 14232 + " external storage"); 14233 } 14234 } 14235 14236 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 14237 throws RemoteException { 14238 long result = 0; 14239 for (File path : paths) { 14240 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 14241 } 14242 return result; 14243 } 14244 14245 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14246 for (File path : paths) { 14247 try { 14248 mcs.clearDirectory(path.getAbsolutePath()); 14249 } catch (RemoteException e) { 14250 } 14251 } 14252 } 14253 14254 static class OriginInfo { 14255 /** 14256 * Location where install is coming from, before it has been 14257 * copied/renamed into place. This could be a single monolithic APK 14258 * file, or a cluster directory. This location may be untrusted. 14259 */ 14260 final File file; 14261 final String cid; 14262 14263 /** 14264 * Flag indicating that {@link #file} or {@link #cid} has already been 14265 * staged, meaning downstream users don't need to defensively copy the 14266 * contents. 14267 */ 14268 final boolean staged; 14269 14270 /** 14271 * Flag indicating that {@link #file} or {@link #cid} is an already 14272 * installed app that is being moved. 14273 */ 14274 final boolean existing; 14275 14276 final String resolvedPath; 14277 final File resolvedFile; 14278 14279 static OriginInfo fromNothing() { 14280 return new OriginInfo(null, null, false, false); 14281 } 14282 14283 static OriginInfo fromUntrustedFile(File file) { 14284 return new OriginInfo(file, null, false, false); 14285 } 14286 14287 static OriginInfo fromExistingFile(File file) { 14288 return new OriginInfo(file, null, false, true); 14289 } 14290 14291 static OriginInfo fromStagedFile(File file) { 14292 return new OriginInfo(file, null, true, false); 14293 } 14294 14295 static OriginInfo fromStagedContainer(String cid) { 14296 return new OriginInfo(null, cid, true, false); 14297 } 14298 14299 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14300 this.file = file; 14301 this.cid = cid; 14302 this.staged = staged; 14303 this.existing = existing; 14304 14305 if (cid != null) { 14306 resolvedPath = PackageHelper.getSdDir(cid); 14307 resolvedFile = new File(resolvedPath); 14308 } else if (file != null) { 14309 resolvedPath = file.getAbsolutePath(); 14310 resolvedFile = file; 14311 } else { 14312 resolvedPath = null; 14313 resolvedFile = null; 14314 } 14315 } 14316 } 14317 14318 static class MoveInfo { 14319 final int moveId; 14320 final String fromUuid; 14321 final String toUuid; 14322 final String packageName; 14323 final String dataAppName; 14324 final int appId; 14325 final String seinfo; 14326 final int targetSdkVersion; 14327 14328 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14329 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14330 this.moveId = moveId; 14331 this.fromUuid = fromUuid; 14332 this.toUuid = toUuid; 14333 this.packageName = packageName; 14334 this.dataAppName = dataAppName; 14335 this.appId = appId; 14336 this.seinfo = seinfo; 14337 this.targetSdkVersion = targetSdkVersion; 14338 } 14339 } 14340 14341 static class VerificationInfo { 14342 /** A constant used to indicate that a uid value is not present. */ 14343 public static final int NO_UID = -1; 14344 14345 /** URI referencing where the package was downloaded from. */ 14346 final Uri originatingUri; 14347 14348 /** HTTP referrer URI associated with the originatingURI. */ 14349 final Uri referrer; 14350 14351 /** UID of the application that the install request originated from. */ 14352 final int originatingUid; 14353 14354 /** UID of application requesting the install */ 14355 final int installerUid; 14356 14357 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14358 this.originatingUri = originatingUri; 14359 this.referrer = referrer; 14360 this.originatingUid = originatingUid; 14361 this.installerUid = installerUid; 14362 } 14363 } 14364 14365 class InstallParams extends HandlerParams { 14366 final OriginInfo origin; 14367 final MoveInfo move; 14368 final IPackageInstallObserver2 observer; 14369 int installFlags; 14370 final String installerPackageName; 14371 final String volumeUuid; 14372 private InstallArgs mArgs; 14373 private int mRet; 14374 final String packageAbiOverride; 14375 final String[] grantedRuntimePermissions; 14376 final VerificationInfo verificationInfo; 14377 final Certificate[][] certificates; 14378 final int installReason; 14379 14380 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14381 int installFlags, String installerPackageName, String volumeUuid, 14382 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14383 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14384 super(user); 14385 this.origin = origin; 14386 this.move = move; 14387 this.observer = observer; 14388 this.installFlags = installFlags; 14389 this.installerPackageName = installerPackageName; 14390 this.volumeUuid = volumeUuid; 14391 this.verificationInfo = verificationInfo; 14392 this.packageAbiOverride = packageAbiOverride; 14393 this.grantedRuntimePermissions = grantedPermissions; 14394 this.certificates = certificates; 14395 this.installReason = installReason; 14396 } 14397 14398 @Override 14399 public String toString() { 14400 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14401 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14402 } 14403 14404 private int installLocationPolicy(PackageInfoLite pkgLite) { 14405 String packageName = pkgLite.packageName; 14406 int installLocation = pkgLite.installLocation; 14407 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14408 // reader 14409 synchronized (mPackages) { 14410 // Currently installed package which the new package is attempting to replace or 14411 // null if no such package is installed. 14412 PackageParser.Package installedPkg = mPackages.get(packageName); 14413 // Package which currently owns the data which the new package will own if installed. 14414 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14415 // will be null whereas dataOwnerPkg will contain information about the package 14416 // which was uninstalled while keeping its data. 14417 PackageParser.Package dataOwnerPkg = installedPkg; 14418 if (dataOwnerPkg == null) { 14419 PackageSetting ps = mSettings.mPackages.get(packageName); 14420 if (ps != null) { 14421 dataOwnerPkg = ps.pkg; 14422 } 14423 } 14424 14425 if (dataOwnerPkg != null) { 14426 // If installed, the package will get access to data left on the device by its 14427 // predecessor. As a security measure, this is permited only if this is not a 14428 // version downgrade or if the predecessor package is marked as debuggable and 14429 // a downgrade is explicitly requested. 14430 // 14431 // On debuggable platform builds, downgrades are permitted even for 14432 // non-debuggable packages to make testing easier. Debuggable platform builds do 14433 // not offer security guarantees and thus it's OK to disable some security 14434 // mechanisms to make debugging/testing easier on those builds. However, even on 14435 // debuggable builds downgrades of packages are permitted only if requested via 14436 // installFlags. This is because we aim to keep the behavior of debuggable 14437 // platform builds as close as possible to the behavior of non-debuggable 14438 // platform builds. 14439 final boolean downgradeRequested = 14440 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14441 final boolean packageDebuggable = 14442 (dataOwnerPkg.applicationInfo.flags 14443 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14444 final boolean downgradePermitted = 14445 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14446 if (!downgradePermitted) { 14447 try { 14448 checkDowngrade(dataOwnerPkg, pkgLite); 14449 } catch (PackageManagerException e) { 14450 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14451 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14452 } 14453 } 14454 } 14455 14456 if (installedPkg != null) { 14457 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14458 // Check for updated system application. 14459 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14460 if (onSd) { 14461 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14462 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14463 } 14464 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14465 } else { 14466 if (onSd) { 14467 // Install flag overrides everything. 14468 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14469 } 14470 // If current upgrade specifies particular preference 14471 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14472 // Application explicitly specified internal. 14473 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14474 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14475 // App explictly prefers external. Let policy decide 14476 } else { 14477 // Prefer previous location 14478 if (isExternal(installedPkg)) { 14479 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14480 } 14481 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14482 } 14483 } 14484 } else { 14485 // Invalid install. Return error code 14486 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14487 } 14488 } 14489 } 14490 // All the special cases have been taken care of. 14491 // Return result based on recommended install location. 14492 if (onSd) { 14493 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14494 } 14495 return pkgLite.recommendedInstallLocation; 14496 } 14497 14498 /* 14499 * Invoke remote method to get package information and install 14500 * location values. Override install location based on default 14501 * policy if needed and then create install arguments based 14502 * on the install location. 14503 */ 14504 public void handleStartCopy() throws RemoteException { 14505 int ret = PackageManager.INSTALL_SUCCEEDED; 14506 14507 // If we're already staged, we've firmly committed to an install location 14508 if (origin.staged) { 14509 if (origin.file != null) { 14510 installFlags |= PackageManager.INSTALL_INTERNAL; 14511 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14512 } else if (origin.cid != null) { 14513 installFlags |= PackageManager.INSTALL_EXTERNAL; 14514 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14515 } else { 14516 throw new IllegalStateException("Invalid stage location"); 14517 } 14518 } 14519 14520 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14521 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14522 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14523 PackageInfoLite pkgLite = null; 14524 14525 if (onInt && onSd) { 14526 // Check if both bits are set. 14527 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14528 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14529 } else if (onSd && ephemeral) { 14530 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14531 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14532 } else { 14533 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14534 packageAbiOverride); 14535 14536 if (DEBUG_EPHEMERAL && ephemeral) { 14537 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14538 } 14539 14540 /* 14541 * If we have too little free space, try to free cache 14542 * before giving up. 14543 */ 14544 if (!origin.staged && pkgLite.recommendedInstallLocation 14545 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14546 // TODO: focus freeing disk space on the target device 14547 final StorageManager storage = StorageManager.from(mContext); 14548 final long lowThreshold = storage.getStorageLowBytes( 14549 Environment.getDataDirectory()); 14550 14551 final long sizeBytes = mContainerService.calculateInstalledSize( 14552 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14553 14554 try { 14555 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14556 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14557 installFlags, packageAbiOverride); 14558 } catch (InstallerException e) { 14559 Slog.w(TAG, "Failed to free cache", e); 14560 } 14561 14562 /* 14563 * The cache free must have deleted the file we 14564 * downloaded to install. 14565 * 14566 * TODO: fix the "freeCache" call to not delete 14567 * the file we care about. 14568 */ 14569 if (pkgLite.recommendedInstallLocation 14570 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14571 pkgLite.recommendedInstallLocation 14572 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14573 } 14574 } 14575 } 14576 14577 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14578 int loc = pkgLite.recommendedInstallLocation; 14579 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14580 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14581 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14582 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14583 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14584 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14585 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14586 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14587 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14588 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14589 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14590 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14591 } else { 14592 // Override with defaults if needed. 14593 loc = installLocationPolicy(pkgLite); 14594 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14595 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14596 } else if (!onSd && !onInt) { 14597 // Override install location with flags 14598 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14599 // Set the flag to install on external media. 14600 installFlags |= PackageManager.INSTALL_EXTERNAL; 14601 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14602 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14603 if (DEBUG_EPHEMERAL) { 14604 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14605 } 14606 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14607 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14608 |PackageManager.INSTALL_INTERNAL); 14609 } else { 14610 // Make sure the flag for installing on external 14611 // media is unset 14612 installFlags |= PackageManager.INSTALL_INTERNAL; 14613 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14614 } 14615 } 14616 } 14617 } 14618 14619 final InstallArgs args = createInstallArgs(this); 14620 mArgs = args; 14621 14622 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14623 // TODO: http://b/22976637 14624 // Apps installed for "all" users use the device owner to verify the app 14625 UserHandle verifierUser = getUser(); 14626 if (verifierUser == UserHandle.ALL) { 14627 verifierUser = UserHandle.SYSTEM; 14628 } 14629 14630 /* 14631 * Determine if we have any installed package verifiers. If we 14632 * do, then we'll defer to them to verify the packages. 14633 */ 14634 final int requiredUid = mRequiredVerifierPackage == null ? -1 14635 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14636 verifierUser.getIdentifier()); 14637 if (!origin.existing && requiredUid != -1 14638 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14639 final Intent verification = new Intent( 14640 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14641 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14642 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14643 PACKAGE_MIME_TYPE); 14644 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14645 14646 // Query all live verifiers based on current user state 14647 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14648 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14649 14650 if (DEBUG_VERIFY) { 14651 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14652 + verification.toString() + " with " + pkgLite.verifiers.length 14653 + " optional verifiers"); 14654 } 14655 14656 final int verificationId = mPendingVerificationToken++; 14657 14658 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14659 14660 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14661 installerPackageName); 14662 14663 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14664 installFlags); 14665 14666 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14667 pkgLite.packageName); 14668 14669 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14670 pkgLite.versionCode); 14671 14672 if (verificationInfo != null) { 14673 if (verificationInfo.originatingUri != null) { 14674 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14675 verificationInfo.originatingUri); 14676 } 14677 if (verificationInfo.referrer != null) { 14678 verification.putExtra(Intent.EXTRA_REFERRER, 14679 verificationInfo.referrer); 14680 } 14681 if (verificationInfo.originatingUid >= 0) { 14682 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14683 verificationInfo.originatingUid); 14684 } 14685 if (verificationInfo.installerUid >= 0) { 14686 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14687 verificationInfo.installerUid); 14688 } 14689 } 14690 14691 final PackageVerificationState verificationState = new PackageVerificationState( 14692 requiredUid, args); 14693 14694 mPendingVerification.append(verificationId, verificationState); 14695 14696 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14697 receivers, verificationState); 14698 14699 /* 14700 * If any sufficient verifiers were listed in the package 14701 * manifest, attempt to ask them. 14702 */ 14703 if (sufficientVerifiers != null) { 14704 final int N = sufficientVerifiers.size(); 14705 if (N == 0) { 14706 Slog.i(TAG, "Additional verifiers required, but none installed."); 14707 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14708 } else { 14709 for (int i = 0; i < N; i++) { 14710 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14711 14712 final Intent sufficientIntent = new Intent(verification); 14713 sufficientIntent.setComponent(verifierComponent); 14714 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14715 } 14716 } 14717 } 14718 14719 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14720 mRequiredVerifierPackage, receivers); 14721 if (ret == PackageManager.INSTALL_SUCCEEDED 14722 && mRequiredVerifierPackage != null) { 14723 Trace.asyncTraceBegin( 14724 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14725 /* 14726 * Send the intent to the required verification agent, 14727 * but only start the verification timeout after the 14728 * target BroadcastReceivers have run. 14729 */ 14730 verification.setComponent(requiredVerifierComponent); 14731 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14732 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14733 new BroadcastReceiver() { 14734 @Override 14735 public void onReceive(Context context, Intent intent) { 14736 final Message msg = mHandler 14737 .obtainMessage(CHECK_PENDING_VERIFICATION); 14738 msg.arg1 = verificationId; 14739 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14740 } 14741 }, null, 0, null, null); 14742 14743 /* 14744 * We don't want the copy to proceed until verification 14745 * succeeds, so null out this field. 14746 */ 14747 mArgs = null; 14748 } 14749 } else { 14750 /* 14751 * No package verification is enabled, so immediately start 14752 * the remote call to initiate copy using temporary file. 14753 */ 14754 ret = args.copyApk(mContainerService, true); 14755 } 14756 } 14757 14758 mRet = ret; 14759 } 14760 14761 @Override 14762 void handleReturnCode() { 14763 // If mArgs is null, then MCS couldn't be reached. When it 14764 // reconnects, it will try again to install. At that point, this 14765 // will succeed. 14766 if (mArgs != null) { 14767 processPendingInstall(mArgs, mRet); 14768 } 14769 } 14770 14771 @Override 14772 void handleServiceError() { 14773 mArgs = createInstallArgs(this); 14774 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14775 } 14776 14777 public boolean isForwardLocked() { 14778 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14779 } 14780 } 14781 14782 /** 14783 * Used during creation of InstallArgs 14784 * 14785 * @param installFlags package installation flags 14786 * @return true if should be installed on external storage 14787 */ 14788 private static boolean installOnExternalAsec(int installFlags) { 14789 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14790 return false; 14791 } 14792 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14793 return true; 14794 } 14795 return false; 14796 } 14797 14798 /** 14799 * Used during creation of InstallArgs 14800 * 14801 * @param installFlags package installation flags 14802 * @return true if should be installed as forward locked 14803 */ 14804 private static boolean installForwardLocked(int installFlags) { 14805 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14806 } 14807 14808 private InstallArgs createInstallArgs(InstallParams params) { 14809 if (params.move != null) { 14810 return new MoveInstallArgs(params); 14811 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 14812 return new AsecInstallArgs(params); 14813 } else { 14814 return new FileInstallArgs(params); 14815 } 14816 } 14817 14818 /** 14819 * Create args that describe an existing installed package. Typically used 14820 * when cleaning up old installs, or used as a move source. 14821 */ 14822 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14823 String resourcePath, String[] instructionSets) { 14824 final boolean isInAsec; 14825 if (installOnExternalAsec(installFlags)) { 14826 /* Apps on SD card are always in ASEC containers. */ 14827 isInAsec = true; 14828 } else if (installForwardLocked(installFlags) 14829 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 14830 /* 14831 * Forward-locked apps are only in ASEC containers if they're the 14832 * new style 14833 */ 14834 isInAsec = true; 14835 } else { 14836 isInAsec = false; 14837 } 14838 14839 if (isInAsec) { 14840 return new AsecInstallArgs(codePath, instructionSets, 14841 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 14842 } else { 14843 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14844 } 14845 } 14846 14847 static abstract class InstallArgs { 14848 /** @see InstallParams#origin */ 14849 final OriginInfo origin; 14850 /** @see InstallParams#move */ 14851 final MoveInfo move; 14852 14853 final IPackageInstallObserver2 observer; 14854 // Always refers to PackageManager flags only 14855 final int installFlags; 14856 final String installerPackageName; 14857 final String volumeUuid; 14858 final UserHandle user; 14859 final String abiOverride; 14860 final String[] installGrantPermissions; 14861 /** If non-null, drop an async trace when the install completes */ 14862 final String traceMethod; 14863 final int traceCookie; 14864 final Certificate[][] certificates; 14865 final int installReason; 14866 14867 // The list of instruction sets supported by this app. This is currently 14868 // only used during the rmdex() phase to clean up resources. We can get rid of this 14869 // if we move dex files under the common app path. 14870 /* nullable */ String[] instructionSets; 14871 14872 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14873 int installFlags, String installerPackageName, String volumeUuid, 14874 UserHandle user, String[] instructionSets, 14875 String abiOverride, String[] installGrantPermissions, 14876 String traceMethod, int traceCookie, Certificate[][] certificates, 14877 int installReason) { 14878 this.origin = origin; 14879 this.move = move; 14880 this.installFlags = installFlags; 14881 this.observer = observer; 14882 this.installerPackageName = installerPackageName; 14883 this.volumeUuid = volumeUuid; 14884 this.user = user; 14885 this.instructionSets = instructionSets; 14886 this.abiOverride = abiOverride; 14887 this.installGrantPermissions = installGrantPermissions; 14888 this.traceMethod = traceMethod; 14889 this.traceCookie = traceCookie; 14890 this.certificates = certificates; 14891 this.installReason = installReason; 14892 } 14893 14894 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14895 abstract int doPreInstall(int status); 14896 14897 /** 14898 * Rename package into final resting place. All paths on the given 14899 * scanned package should be updated to reflect the rename. 14900 */ 14901 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14902 abstract int doPostInstall(int status, int uid); 14903 14904 /** @see PackageSettingBase#codePathString */ 14905 abstract String getCodePath(); 14906 /** @see PackageSettingBase#resourcePathString */ 14907 abstract String getResourcePath(); 14908 14909 // Need installer lock especially for dex file removal. 14910 abstract void cleanUpResourcesLI(); 14911 abstract boolean doPostDeleteLI(boolean delete); 14912 14913 /** 14914 * Called before the source arguments are copied. This is used mostly 14915 * for MoveParams when it needs to read the source file to put it in the 14916 * destination. 14917 */ 14918 int doPreCopy() { 14919 return PackageManager.INSTALL_SUCCEEDED; 14920 } 14921 14922 /** 14923 * Called after the source arguments are copied. This is used mostly for 14924 * MoveParams when it needs to read the source file to put it in the 14925 * destination. 14926 */ 14927 int doPostCopy(int uid) { 14928 return PackageManager.INSTALL_SUCCEEDED; 14929 } 14930 14931 protected boolean isFwdLocked() { 14932 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14933 } 14934 14935 protected boolean isExternalAsec() { 14936 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14937 } 14938 14939 protected boolean isEphemeral() { 14940 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14941 } 14942 14943 UserHandle getUser() { 14944 return user; 14945 } 14946 } 14947 14948 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14949 if (!allCodePaths.isEmpty()) { 14950 if (instructionSets == null) { 14951 throw new IllegalStateException("instructionSet == null"); 14952 } 14953 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14954 for (String codePath : allCodePaths) { 14955 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14956 try { 14957 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14958 } catch (InstallerException ignored) { 14959 } 14960 } 14961 } 14962 } 14963 } 14964 14965 /** 14966 * Logic to handle installation of non-ASEC applications, including copying 14967 * and renaming logic. 14968 */ 14969 class FileInstallArgs extends InstallArgs { 14970 private File codeFile; 14971 private File resourceFile; 14972 14973 // Example topology: 14974 // /data/app/com.example/base.apk 14975 // /data/app/com.example/split_foo.apk 14976 // /data/app/com.example/lib/arm/libfoo.so 14977 // /data/app/com.example/lib/arm64/libfoo.so 14978 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14979 14980 /** New install */ 14981 FileInstallArgs(InstallParams params) { 14982 super(params.origin, params.move, params.observer, params.installFlags, 14983 params.installerPackageName, params.volumeUuid, 14984 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14985 params.grantedRuntimePermissions, 14986 params.traceMethod, params.traceCookie, params.certificates, 14987 params.installReason); 14988 if (isFwdLocked()) { 14989 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14990 } 14991 } 14992 14993 /** Existing install */ 14994 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14995 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14996 null, null, null, 0, null /*certificates*/, 14997 PackageManager.INSTALL_REASON_UNKNOWN); 14998 this.codeFile = (codePath != null) ? new File(codePath) : null; 14999 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15000 } 15001 15002 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15003 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15004 try { 15005 return doCopyApk(imcs, temp); 15006 } finally { 15007 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15008 } 15009 } 15010 15011 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15012 if (origin.staged) { 15013 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15014 codeFile = origin.file; 15015 resourceFile = origin.file; 15016 return PackageManager.INSTALL_SUCCEEDED; 15017 } 15018 15019 try { 15020 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15021 final File tempDir = 15022 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15023 codeFile = tempDir; 15024 resourceFile = tempDir; 15025 } catch (IOException e) { 15026 Slog.w(TAG, "Failed to create copy file: " + e); 15027 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15028 } 15029 15030 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15031 @Override 15032 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15033 if (!FileUtils.isValidExtFilename(name)) { 15034 throw new IllegalArgumentException("Invalid filename: " + name); 15035 } 15036 try { 15037 final File file = new File(codeFile, name); 15038 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15039 O_RDWR | O_CREAT, 0644); 15040 Os.chmod(file.getAbsolutePath(), 0644); 15041 return new ParcelFileDescriptor(fd); 15042 } catch (ErrnoException e) { 15043 throw new RemoteException("Failed to open: " + e.getMessage()); 15044 } 15045 } 15046 }; 15047 15048 int ret = PackageManager.INSTALL_SUCCEEDED; 15049 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15050 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15051 Slog.e(TAG, "Failed to copy package"); 15052 return ret; 15053 } 15054 15055 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15056 NativeLibraryHelper.Handle handle = null; 15057 try { 15058 handle = NativeLibraryHelper.Handle.create(codeFile); 15059 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15060 abiOverride); 15061 } catch (IOException e) { 15062 Slog.e(TAG, "Copying native libraries failed", e); 15063 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15064 } finally { 15065 IoUtils.closeQuietly(handle); 15066 } 15067 15068 return ret; 15069 } 15070 15071 int doPreInstall(int status) { 15072 if (status != PackageManager.INSTALL_SUCCEEDED) { 15073 cleanUp(); 15074 } 15075 return status; 15076 } 15077 15078 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15079 if (status != PackageManager.INSTALL_SUCCEEDED) { 15080 cleanUp(); 15081 return false; 15082 } 15083 15084 final File targetDir = codeFile.getParentFile(); 15085 final File beforeCodeFile = codeFile; 15086 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15087 15088 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15089 try { 15090 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15091 } catch (ErrnoException e) { 15092 Slog.w(TAG, "Failed to rename", e); 15093 return false; 15094 } 15095 15096 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15097 Slog.w(TAG, "Failed to restorecon"); 15098 return false; 15099 } 15100 15101 // Reflect the rename internally 15102 codeFile = afterCodeFile; 15103 resourceFile = afterCodeFile; 15104 15105 // Reflect the rename in scanned details 15106 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15107 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15108 afterCodeFile, pkg.baseCodePath)); 15109 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15110 afterCodeFile, pkg.splitCodePaths)); 15111 15112 // Reflect the rename in app info 15113 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15114 pkg.setApplicationInfoCodePath(pkg.codePath); 15115 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15116 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15117 pkg.setApplicationInfoResourcePath(pkg.codePath); 15118 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15119 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15120 15121 return true; 15122 } 15123 15124 int doPostInstall(int status, int uid) { 15125 if (status != PackageManager.INSTALL_SUCCEEDED) { 15126 cleanUp(); 15127 } 15128 return status; 15129 } 15130 15131 @Override 15132 String getCodePath() { 15133 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15134 } 15135 15136 @Override 15137 String getResourcePath() { 15138 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15139 } 15140 15141 private boolean cleanUp() { 15142 if (codeFile == null || !codeFile.exists()) { 15143 return false; 15144 } 15145 15146 removeCodePathLI(codeFile); 15147 15148 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15149 resourceFile.delete(); 15150 } 15151 15152 return true; 15153 } 15154 15155 void cleanUpResourcesLI() { 15156 // Try enumerating all code paths before deleting 15157 List<String> allCodePaths = Collections.EMPTY_LIST; 15158 if (codeFile != null && codeFile.exists()) { 15159 try { 15160 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15161 allCodePaths = pkg.getAllCodePaths(); 15162 } catch (PackageParserException e) { 15163 // Ignored; we tried our best 15164 } 15165 } 15166 15167 cleanUp(); 15168 removeDexFiles(allCodePaths, instructionSets); 15169 } 15170 15171 boolean doPostDeleteLI(boolean delete) { 15172 // XXX err, shouldn't we respect the delete flag? 15173 cleanUpResourcesLI(); 15174 return true; 15175 } 15176 } 15177 15178 private boolean isAsecExternal(String cid) { 15179 final String asecPath = PackageHelper.getSdFilesystem(cid); 15180 return !asecPath.startsWith(mAsecInternalPath); 15181 } 15182 15183 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15184 PackageManagerException { 15185 if (copyRet < 0) { 15186 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15187 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15188 throw new PackageManagerException(copyRet, message); 15189 } 15190 } 15191 } 15192 15193 /** 15194 * Extract the StorageManagerService "container ID" from the full code path of an 15195 * .apk. 15196 */ 15197 static String cidFromCodePath(String fullCodePath) { 15198 int eidx = fullCodePath.lastIndexOf("/"); 15199 String subStr1 = fullCodePath.substring(0, eidx); 15200 int sidx = subStr1.lastIndexOf("/"); 15201 return subStr1.substring(sidx+1, eidx); 15202 } 15203 15204 /** 15205 * Logic to handle installation of ASEC applications, including copying and 15206 * renaming logic. 15207 */ 15208 class AsecInstallArgs extends InstallArgs { 15209 static final String RES_FILE_NAME = "pkg.apk"; 15210 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15211 15212 String cid; 15213 String packagePath; 15214 String resourcePath; 15215 15216 /** New install */ 15217 AsecInstallArgs(InstallParams params) { 15218 super(params.origin, params.move, params.observer, params.installFlags, 15219 params.installerPackageName, params.volumeUuid, 15220 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15221 params.grantedRuntimePermissions, 15222 params.traceMethod, params.traceCookie, params.certificates, 15223 params.installReason); 15224 } 15225 15226 /** Existing install */ 15227 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15228 boolean isExternal, boolean isForwardLocked) { 15229 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15230 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15231 instructionSets, null, null, null, 0, null /*certificates*/, 15232 PackageManager.INSTALL_REASON_UNKNOWN); 15233 // Hackily pretend we're still looking at a full code path 15234 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15235 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15236 } 15237 15238 // Extract cid from fullCodePath 15239 int eidx = fullCodePath.lastIndexOf("/"); 15240 String subStr1 = fullCodePath.substring(0, eidx); 15241 int sidx = subStr1.lastIndexOf("/"); 15242 cid = subStr1.substring(sidx+1, eidx); 15243 setMountPath(subStr1); 15244 } 15245 15246 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15247 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15248 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15249 instructionSets, null, null, null, 0, null /*certificates*/, 15250 PackageManager.INSTALL_REASON_UNKNOWN); 15251 this.cid = cid; 15252 setMountPath(PackageHelper.getSdDir(cid)); 15253 } 15254 15255 void createCopyFile() { 15256 cid = mInstallerService.allocateExternalStageCidLegacy(); 15257 } 15258 15259 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15260 if (origin.staged && origin.cid != null) { 15261 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15262 cid = origin.cid; 15263 setMountPath(PackageHelper.getSdDir(cid)); 15264 return PackageManager.INSTALL_SUCCEEDED; 15265 } 15266 15267 if (temp) { 15268 createCopyFile(); 15269 } else { 15270 /* 15271 * Pre-emptively destroy the container since it's destroyed if 15272 * copying fails due to it existing anyway. 15273 */ 15274 PackageHelper.destroySdDir(cid); 15275 } 15276 15277 final String newMountPath = imcs.copyPackageToContainer( 15278 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15279 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15280 15281 if (newMountPath != null) { 15282 setMountPath(newMountPath); 15283 return PackageManager.INSTALL_SUCCEEDED; 15284 } else { 15285 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15286 } 15287 } 15288 15289 @Override 15290 String getCodePath() { 15291 return packagePath; 15292 } 15293 15294 @Override 15295 String getResourcePath() { 15296 return resourcePath; 15297 } 15298 15299 int doPreInstall(int status) { 15300 if (status != PackageManager.INSTALL_SUCCEEDED) { 15301 // Destroy container 15302 PackageHelper.destroySdDir(cid); 15303 } else { 15304 boolean mounted = PackageHelper.isContainerMounted(cid); 15305 if (!mounted) { 15306 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15307 Process.SYSTEM_UID); 15308 if (newMountPath != null) { 15309 setMountPath(newMountPath); 15310 } else { 15311 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15312 } 15313 } 15314 } 15315 return status; 15316 } 15317 15318 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15319 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15320 String newMountPath = null; 15321 if (PackageHelper.isContainerMounted(cid)) { 15322 // Unmount the container 15323 if (!PackageHelper.unMountSdDir(cid)) { 15324 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15325 return false; 15326 } 15327 } 15328 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15329 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15330 " which might be stale. Will try to clean up."); 15331 // Clean up the stale container and proceed to recreate. 15332 if (!PackageHelper.destroySdDir(newCacheId)) { 15333 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15334 return false; 15335 } 15336 // Successfully cleaned up stale container. Try to rename again. 15337 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15338 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15339 + " inspite of cleaning it up."); 15340 return false; 15341 } 15342 } 15343 if (!PackageHelper.isContainerMounted(newCacheId)) { 15344 Slog.w(TAG, "Mounting container " + newCacheId); 15345 newMountPath = PackageHelper.mountSdDir(newCacheId, 15346 getEncryptKey(), Process.SYSTEM_UID); 15347 } else { 15348 newMountPath = PackageHelper.getSdDir(newCacheId); 15349 } 15350 if (newMountPath == null) { 15351 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15352 return false; 15353 } 15354 Log.i(TAG, "Succesfully renamed " + cid + 15355 " to " + newCacheId + 15356 " at new path: " + newMountPath); 15357 cid = newCacheId; 15358 15359 final File beforeCodeFile = new File(packagePath); 15360 setMountPath(newMountPath); 15361 final File afterCodeFile = new File(packagePath); 15362 15363 // Reflect the rename in scanned details 15364 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15365 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15366 afterCodeFile, pkg.baseCodePath)); 15367 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15368 afterCodeFile, pkg.splitCodePaths)); 15369 15370 // Reflect the rename in app info 15371 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15372 pkg.setApplicationInfoCodePath(pkg.codePath); 15373 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15374 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15375 pkg.setApplicationInfoResourcePath(pkg.codePath); 15376 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15377 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15378 15379 return true; 15380 } 15381 15382 private void setMountPath(String mountPath) { 15383 final File mountFile = new File(mountPath); 15384 15385 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15386 if (monolithicFile.exists()) { 15387 packagePath = monolithicFile.getAbsolutePath(); 15388 if (isFwdLocked()) { 15389 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15390 } else { 15391 resourcePath = packagePath; 15392 } 15393 } else { 15394 packagePath = mountFile.getAbsolutePath(); 15395 resourcePath = packagePath; 15396 } 15397 } 15398 15399 int doPostInstall(int status, int uid) { 15400 if (status != PackageManager.INSTALL_SUCCEEDED) { 15401 cleanUp(); 15402 } else { 15403 final int groupOwner; 15404 final String protectedFile; 15405 if (isFwdLocked()) { 15406 groupOwner = UserHandle.getSharedAppGid(uid); 15407 protectedFile = RES_FILE_NAME; 15408 } else { 15409 groupOwner = -1; 15410 protectedFile = null; 15411 } 15412 15413 if (uid < Process.FIRST_APPLICATION_UID 15414 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15415 Slog.e(TAG, "Failed to finalize " + cid); 15416 PackageHelper.destroySdDir(cid); 15417 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15418 } 15419 15420 boolean mounted = PackageHelper.isContainerMounted(cid); 15421 if (!mounted) { 15422 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15423 } 15424 } 15425 return status; 15426 } 15427 15428 private void cleanUp() { 15429 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15430 15431 // Destroy secure container 15432 PackageHelper.destroySdDir(cid); 15433 } 15434 15435 private List<String> getAllCodePaths() { 15436 final File codeFile = new File(getCodePath()); 15437 if (codeFile != null && codeFile.exists()) { 15438 try { 15439 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15440 return pkg.getAllCodePaths(); 15441 } catch (PackageParserException e) { 15442 // Ignored; we tried our best 15443 } 15444 } 15445 return Collections.EMPTY_LIST; 15446 } 15447 15448 void cleanUpResourcesLI() { 15449 // Enumerate all code paths before deleting 15450 cleanUpResourcesLI(getAllCodePaths()); 15451 } 15452 15453 private void cleanUpResourcesLI(List<String> allCodePaths) { 15454 cleanUp(); 15455 removeDexFiles(allCodePaths, instructionSets); 15456 } 15457 15458 String getPackageName() { 15459 return getAsecPackageName(cid); 15460 } 15461 15462 boolean doPostDeleteLI(boolean delete) { 15463 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15464 final List<String> allCodePaths = getAllCodePaths(); 15465 boolean mounted = PackageHelper.isContainerMounted(cid); 15466 if (mounted) { 15467 // Unmount first 15468 if (PackageHelper.unMountSdDir(cid)) { 15469 mounted = false; 15470 } 15471 } 15472 if (!mounted && delete) { 15473 cleanUpResourcesLI(allCodePaths); 15474 } 15475 return !mounted; 15476 } 15477 15478 @Override 15479 int doPreCopy() { 15480 if (isFwdLocked()) { 15481 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15482 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15483 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15484 } 15485 } 15486 15487 return PackageManager.INSTALL_SUCCEEDED; 15488 } 15489 15490 @Override 15491 int doPostCopy(int uid) { 15492 if (isFwdLocked()) { 15493 if (uid < Process.FIRST_APPLICATION_UID 15494 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15495 RES_FILE_NAME)) { 15496 Slog.e(TAG, "Failed to finalize " + cid); 15497 PackageHelper.destroySdDir(cid); 15498 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15499 } 15500 } 15501 15502 return PackageManager.INSTALL_SUCCEEDED; 15503 } 15504 } 15505 15506 /** 15507 * Logic to handle movement of existing installed applications. 15508 */ 15509 class MoveInstallArgs extends InstallArgs { 15510 private File codeFile; 15511 private File resourceFile; 15512 15513 /** New install */ 15514 MoveInstallArgs(InstallParams params) { 15515 super(params.origin, params.move, params.observer, params.installFlags, 15516 params.installerPackageName, params.volumeUuid, 15517 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15518 params.grantedRuntimePermissions, 15519 params.traceMethod, params.traceCookie, params.certificates, 15520 params.installReason); 15521 } 15522 15523 int copyApk(IMediaContainerService imcs, boolean temp) { 15524 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15525 + move.fromUuid + " to " + move.toUuid); 15526 synchronized (mInstaller) { 15527 try { 15528 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15529 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15530 } catch (InstallerException e) { 15531 Slog.w(TAG, "Failed to move app", e); 15532 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15533 } 15534 } 15535 15536 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15537 resourceFile = codeFile; 15538 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15539 15540 return PackageManager.INSTALL_SUCCEEDED; 15541 } 15542 15543 int doPreInstall(int status) { 15544 if (status != PackageManager.INSTALL_SUCCEEDED) { 15545 cleanUp(move.toUuid); 15546 } 15547 return status; 15548 } 15549 15550 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15551 if (status != PackageManager.INSTALL_SUCCEEDED) { 15552 cleanUp(move.toUuid); 15553 return false; 15554 } 15555 15556 // Reflect the move in app info 15557 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15558 pkg.setApplicationInfoCodePath(pkg.codePath); 15559 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15560 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15561 pkg.setApplicationInfoResourcePath(pkg.codePath); 15562 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15563 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15564 15565 return true; 15566 } 15567 15568 int doPostInstall(int status, int uid) { 15569 if (status == PackageManager.INSTALL_SUCCEEDED) { 15570 cleanUp(move.fromUuid); 15571 } else { 15572 cleanUp(move.toUuid); 15573 } 15574 return status; 15575 } 15576 15577 @Override 15578 String getCodePath() { 15579 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15580 } 15581 15582 @Override 15583 String getResourcePath() { 15584 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15585 } 15586 15587 private boolean cleanUp(String volumeUuid) { 15588 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15589 move.dataAppName); 15590 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15591 final int[] userIds = sUserManager.getUserIds(); 15592 synchronized (mInstallLock) { 15593 // Clean up both app data and code 15594 // All package moves are frozen until finished 15595 for (int userId : userIds) { 15596 try { 15597 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15598 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15599 } catch (InstallerException e) { 15600 Slog.w(TAG, String.valueOf(e)); 15601 } 15602 } 15603 removeCodePathLI(codeFile); 15604 } 15605 return true; 15606 } 15607 15608 void cleanUpResourcesLI() { 15609 throw new UnsupportedOperationException(); 15610 } 15611 15612 boolean doPostDeleteLI(boolean delete) { 15613 throw new UnsupportedOperationException(); 15614 } 15615 } 15616 15617 static String getAsecPackageName(String packageCid) { 15618 int idx = packageCid.lastIndexOf("-"); 15619 if (idx == -1) { 15620 return packageCid; 15621 } 15622 return packageCid.substring(0, idx); 15623 } 15624 15625 // Utility method used to create code paths based on package name and available index. 15626 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15627 String idxStr = ""; 15628 int idx = 1; 15629 // Fall back to default value of idx=1 if prefix is not 15630 // part of oldCodePath 15631 if (oldCodePath != null) { 15632 String subStr = oldCodePath; 15633 // Drop the suffix right away 15634 if (suffix != null && subStr.endsWith(suffix)) { 15635 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15636 } 15637 // If oldCodePath already contains prefix find out the 15638 // ending index to either increment or decrement. 15639 int sidx = subStr.lastIndexOf(prefix); 15640 if (sidx != -1) { 15641 subStr = subStr.substring(sidx + prefix.length()); 15642 if (subStr != null) { 15643 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15644 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15645 } 15646 try { 15647 idx = Integer.parseInt(subStr); 15648 if (idx <= 1) { 15649 idx++; 15650 } else { 15651 idx--; 15652 } 15653 } catch(NumberFormatException e) { 15654 } 15655 } 15656 } 15657 } 15658 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15659 return prefix + idxStr; 15660 } 15661 15662 private File getNextCodePath(File targetDir, String packageName) { 15663 File result; 15664 SecureRandom random = new SecureRandom(); 15665 byte[] bytes = new byte[16]; 15666 do { 15667 random.nextBytes(bytes); 15668 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15669 result = new File(targetDir, packageName + "-" + suffix); 15670 } while (result.exists()); 15671 return result; 15672 } 15673 15674 // Utility method that returns the relative package path with respect 15675 // to the installation directory. Like say for /data/data/com.test-1.apk 15676 // string com.test-1 is returned. 15677 static String deriveCodePathName(String codePath) { 15678 if (codePath == null) { 15679 return null; 15680 } 15681 final File codeFile = new File(codePath); 15682 final String name = codeFile.getName(); 15683 if (codeFile.isDirectory()) { 15684 return name; 15685 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15686 final int lastDot = name.lastIndexOf('.'); 15687 return name.substring(0, lastDot); 15688 } else { 15689 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15690 return null; 15691 } 15692 } 15693 15694 static class PackageInstalledInfo { 15695 String name; 15696 int uid; 15697 // The set of users that originally had this package installed. 15698 int[] origUsers; 15699 // The set of users that now have this package installed. 15700 int[] newUsers; 15701 PackageParser.Package pkg; 15702 int returnCode; 15703 String returnMsg; 15704 PackageRemovedInfo removedInfo; 15705 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15706 15707 public void setError(int code, String msg) { 15708 setReturnCode(code); 15709 setReturnMessage(msg); 15710 Slog.w(TAG, msg); 15711 } 15712 15713 public void setError(String msg, PackageParserException e) { 15714 setReturnCode(e.error); 15715 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15716 Slog.w(TAG, msg, e); 15717 } 15718 15719 public void setError(String msg, PackageManagerException e) { 15720 returnCode = e.error; 15721 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15722 Slog.w(TAG, msg, e); 15723 } 15724 15725 public void setReturnCode(int returnCode) { 15726 this.returnCode = returnCode; 15727 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15728 for (int i = 0; i < childCount; i++) { 15729 addedChildPackages.valueAt(i).returnCode = returnCode; 15730 } 15731 } 15732 15733 private void setReturnMessage(String returnMsg) { 15734 this.returnMsg = returnMsg; 15735 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15736 for (int i = 0; i < childCount; i++) { 15737 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15738 } 15739 } 15740 15741 // In some error cases we want to convey more info back to the observer 15742 String origPackage; 15743 String origPermission; 15744 } 15745 15746 /* 15747 * Install a non-existing package. 15748 */ 15749 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15750 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15751 PackageInstalledInfo res, int installReason) { 15752 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15753 15754 // Remember this for later, in case we need to rollback this install 15755 String pkgName = pkg.packageName; 15756 15757 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15758 15759 synchronized(mPackages) { 15760 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15761 if (renamedPackage != null) { 15762 // A package with the same name is already installed, though 15763 // it has been renamed to an older name. The package we 15764 // are trying to install should be installed as an update to 15765 // the existing one, but that has not been requested, so bail. 15766 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15767 + " without first uninstalling package running as " 15768 + renamedPackage); 15769 return; 15770 } 15771 if (mPackages.containsKey(pkgName)) { 15772 // Don't allow installation over an existing package with the same name. 15773 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15774 + " without first uninstalling."); 15775 return; 15776 } 15777 } 15778 15779 try { 15780 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15781 System.currentTimeMillis(), user); 15782 15783 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15784 15785 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15786 prepareAppDataAfterInstallLIF(newPackage); 15787 15788 } else { 15789 // Remove package from internal structures, but keep around any 15790 // data that might have already existed 15791 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15792 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15793 } 15794 } catch (PackageManagerException e) { 15795 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15796 } 15797 15798 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15799 } 15800 15801 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 15802 // Can't rotate keys during boot or if sharedUser. 15803 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 15804 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 15805 return false; 15806 } 15807 // app is using upgradeKeySets; make sure all are valid 15808 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15809 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 15810 for (int i = 0; i < upgradeKeySets.length; i++) { 15811 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 15812 Slog.wtf(TAG, "Package " 15813 + (oldPs.name != null ? oldPs.name : "<null>") 15814 + " contains upgrade-key-set reference to unknown key-set: " 15815 + upgradeKeySets[i] 15816 + " reverting to signatures check."); 15817 return false; 15818 } 15819 } 15820 return true; 15821 } 15822 15823 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 15824 // Upgrade keysets are being used. Determine if new package has a superset of the 15825 // required keys. 15826 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 15827 KeySetManagerService ksms = mSettings.mKeySetManagerService; 15828 for (int i = 0; i < upgradeKeySets.length; i++) { 15829 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 15830 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 15831 return true; 15832 } 15833 } 15834 return false; 15835 } 15836 15837 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15838 try (DigestInputStream digestStream = 15839 new DigestInputStream(new FileInputStream(file), digest)) { 15840 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15841 } 15842 } 15843 15844 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15845 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15846 int installReason) { 15847 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15848 15849 final PackageParser.Package oldPackage; 15850 final String pkgName = pkg.packageName; 15851 final int[] allUsers; 15852 final int[] installedUsers; 15853 15854 synchronized(mPackages) { 15855 oldPackage = mPackages.get(pkgName); 15856 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15857 15858 // don't allow upgrade to target a release SDK from a pre-release SDK 15859 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15860 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15861 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15862 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15863 if (oldTargetsPreRelease 15864 && !newTargetsPreRelease 15865 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15866 Slog.w(TAG, "Can't install package targeting released sdk"); 15867 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15868 return; 15869 } 15870 15871 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15872 15873 // don't allow an upgrade from full to ephemeral 15874 if (isInstantApp && !ps.getInstantApp(user.getIdentifier())) { 15875 // can't downgrade from full to instant 15876 Slog.w(TAG, "Can't replace app with instant app: " + pkgName); 15877 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15878 return; 15879 } 15880 15881 // verify signatures are valid 15882 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15883 if (!checkUpgradeKeySetLP(ps, pkg)) { 15884 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15885 "New package not signed by keys specified by upgrade-keysets: " 15886 + pkgName); 15887 return; 15888 } 15889 } else { 15890 // default to original signature matching 15891 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15892 != PackageManager.SIGNATURE_MATCH) { 15893 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15894 "New package has a different signature: " + pkgName); 15895 return; 15896 } 15897 } 15898 15899 // don't allow a system upgrade unless the upgrade hash matches 15900 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 15901 byte[] digestBytes = null; 15902 try { 15903 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15904 updateDigest(digest, new File(pkg.baseCodePath)); 15905 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15906 for (String path : pkg.splitCodePaths) { 15907 updateDigest(digest, new File(path)); 15908 } 15909 } 15910 digestBytes = digest.digest(); 15911 } catch (NoSuchAlgorithmException | IOException e) { 15912 res.setError(INSTALL_FAILED_INVALID_APK, 15913 "Could not compute hash: " + pkgName); 15914 return; 15915 } 15916 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15917 res.setError(INSTALL_FAILED_INVALID_APK, 15918 "New package fails restrict-update check: " + pkgName); 15919 return; 15920 } 15921 // retain upgrade restriction 15922 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15923 } 15924 15925 // Check for shared user id changes 15926 String invalidPackageName = 15927 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15928 if (invalidPackageName != null) { 15929 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15930 "Package " + invalidPackageName + " tried to change user " 15931 + oldPackage.mSharedUserId); 15932 return; 15933 } 15934 15935 // In case of rollback, remember per-user/profile install state 15936 allUsers = sUserManager.getUserIds(); 15937 installedUsers = ps.queryInstalledUsers(allUsers, true); 15938 } 15939 15940 // Update what is removed 15941 res.removedInfo = new PackageRemovedInfo(); 15942 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15943 res.removedInfo.removedPackage = oldPackage.packageName; 15944 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15945 res.removedInfo.isUpdate = true; 15946 res.removedInfo.origUsers = installedUsers; 15947 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 15948 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15949 for (int i = 0; i < installedUsers.length; i++) { 15950 final int userId = installedUsers[i]; 15951 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15952 } 15953 15954 final int childCount = (oldPackage.childPackages != null) 15955 ? oldPackage.childPackages.size() : 0; 15956 for (int i = 0; i < childCount; i++) { 15957 boolean childPackageUpdated = false; 15958 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15959 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15960 if (res.addedChildPackages != null) { 15961 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15962 if (childRes != null) { 15963 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15964 childRes.removedInfo.removedPackage = childPkg.packageName; 15965 childRes.removedInfo.isUpdate = true; 15966 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15967 childPackageUpdated = true; 15968 } 15969 } 15970 if (!childPackageUpdated) { 15971 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 15972 childRemovedRes.removedPackage = childPkg.packageName; 15973 childRemovedRes.isUpdate = false; 15974 childRemovedRes.dataRemoved = true; 15975 synchronized (mPackages) { 15976 if (childPs != null) { 15977 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15978 } 15979 } 15980 if (res.removedInfo.removedChildPackages == null) { 15981 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15982 } 15983 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15984 } 15985 } 15986 15987 boolean sysPkg = (isSystemApp(oldPackage)); 15988 if (sysPkg) { 15989 // Set the system/privileged flags as needed 15990 final boolean privileged = 15991 (oldPackage.applicationInfo.privateFlags 15992 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15993 final int systemPolicyFlags = policyFlags 15994 | PackageParser.PARSE_IS_SYSTEM 15995 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 15996 15997 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15998 user, allUsers, installerPackageName, res, installReason); 15999 } else { 16000 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 16001 user, allUsers, installerPackageName, res, installReason); 16002 } 16003 } 16004 16005 public List<String> getPreviousCodePaths(String packageName) { 16006 final PackageSetting ps = mSettings.mPackages.get(packageName); 16007 final List<String> result = new ArrayList<String>(); 16008 if (ps != null && ps.oldCodePaths != null) { 16009 result.addAll(ps.oldCodePaths); 16010 } 16011 return result; 16012 } 16013 16014 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 16015 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16016 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16017 int installReason) { 16018 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 16019 + deletedPackage); 16020 16021 String pkgName = deletedPackage.packageName; 16022 boolean deletedPkg = true; 16023 boolean addedPkg = false; 16024 boolean updatedSettings = false; 16025 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 16026 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 16027 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 16028 16029 final long origUpdateTime = (pkg.mExtras != null) 16030 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 16031 16032 // First delete the existing package while retaining the data directory 16033 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16034 res.removedInfo, true, pkg)) { 16035 // If the existing package wasn't successfully deleted 16036 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 16037 deletedPkg = false; 16038 } else { 16039 // Successfully deleted the old package; proceed with replace. 16040 16041 // If deleted package lived in a container, give users a chance to 16042 // relinquish resources before killing. 16043 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16044 if (DEBUG_INSTALL) { 16045 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16046 } 16047 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16048 final ArrayList<String> pkgList = new ArrayList<String>(1); 16049 pkgList.add(deletedPackage.applicationInfo.packageName); 16050 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16051 } 16052 16053 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16054 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16055 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16056 16057 try { 16058 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 16059 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16060 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16061 installReason); 16062 16063 // Update the in-memory copy of the previous code paths. 16064 PackageSetting ps = mSettings.mPackages.get(pkgName); 16065 if (!killApp) { 16066 if (ps.oldCodePaths == null) { 16067 ps.oldCodePaths = new ArraySet<>(); 16068 } 16069 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16070 if (deletedPackage.splitCodePaths != null) { 16071 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16072 } 16073 } else { 16074 ps.oldCodePaths = null; 16075 } 16076 if (ps.childPackageNames != null) { 16077 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16078 final String childPkgName = ps.childPackageNames.get(i); 16079 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16080 childPs.oldCodePaths = ps.oldCodePaths; 16081 } 16082 } 16083 // set instant app status, but, only if it's explicitly specified 16084 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16085 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16086 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16087 prepareAppDataAfterInstallLIF(newPackage); 16088 addedPkg = true; 16089 } catch (PackageManagerException e) { 16090 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16091 } 16092 } 16093 16094 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16095 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16096 16097 // Revert all internal state mutations and added folders for the failed install 16098 if (addedPkg) { 16099 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16100 res.removedInfo, true, null); 16101 } 16102 16103 // Restore the old package 16104 if (deletedPkg) { 16105 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16106 File restoreFile = new File(deletedPackage.codePath); 16107 // Parse old package 16108 boolean oldExternal = isExternal(deletedPackage); 16109 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16110 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16111 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16112 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16113 try { 16114 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16115 null); 16116 } catch (PackageManagerException e) { 16117 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16118 + e.getMessage()); 16119 return; 16120 } 16121 16122 synchronized (mPackages) { 16123 // Ensure the installer package name up to date 16124 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16125 16126 // Update permissions for restored package 16127 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16128 16129 mSettings.writeLPr(); 16130 } 16131 16132 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16133 } 16134 } else { 16135 synchronized (mPackages) { 16136 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16137 if (ps != null) { 16138 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16139 if (res.removedInfo.removedChildPackages != null) { 16140 final int childCount = res.removedInfo.removedChildPackages.size(); 16141 // Iterate in reverse as we may modify the collection 16142 for (int i = childCount - 1; i >= 0; i--) { 16143 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16144 if (res.addedChildPackages.containsKey(childPackageName)) { 16145 res.removedInfo.removedChildPackages.removeAt(i); 16146 } else { 16147 PackageRemovedInfo childInfo = res.removedInfo 16148 .removedChildPackages.valueAt(i); 16149 childInfo.removedForAllUsers = mPackages.get( 16150 childInfo.removedPackage) == null; 16151 } 16152 } 16153 } 16154 } 16155 } 16156 } 16157 } 16158 16159 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16160 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16161 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16162 int installReason) { 16163 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16164 + ", old=" + deletedPackage); 16165 16166 final boolean disabledSystem; 16167 16168 // Remove existing system package 16169 removePackageLI(deletedPackage, true); 16170 16171 synchronized (mPackages) { 16172 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16173 } 16174 if (!disabledSystem) { 16175 // We didn't need to disable the .apk as a current system package, 16176 // which means we are replacing another update that is already 16177 // installed. We need to make sure to delete the older one's .apk. 16178 res.removedInfo.args = createInstallArgsForExisting(0, 16179 deletedPackage.applicationInfo.getCodePath(), 16180 deletedPackage.applicationInfo.getResourcePath(), 16181 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16182 } else { 16183 res.removedInfo.args = null; 16184 } 16185 16186 // Successfully disabled the old package. Now proceed with re-installation 16187 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16188 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16189 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16190 16191 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16192 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16193 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16194 16195 PackageParser.Package newPackage = null; 16196 try { 16197 // Add the package to the internal data structures 16198 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16199 16200 // Set the update and install times 16201 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16202 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16203 System.currentTimeMillis()); 16204 16205 // Update the package dynamic state if succeeded 16206 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16207 // Now that the install succeeded make sure we remove data 16208 // directories for any child package the update removed. 16209 final int deletedChildCount = (deletedPackage.childPackages != null) 16210 ? deletedPackage.childPackages.size() : 0; 16211 final int newChildCount = (newPackage.childPackages != null) 16212 ? newPackage.childPackages.size() : 0; 16213 for (int i = 0; i < deletedChildCount; i++) { 16214 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16215 boolean childPackageDeleted = true; 16216 for (int j = 0; j < newChildCount; j++) { 16217 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16218 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16219 childPackageDeleted = false; 16220 break; 16221 } 16222 } 16223 if (childPackageDeleted) { 16224 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16225 deletedChildPkg.packageName); 16226 if (ps != null && res.removedInfo.removedChildPackages != null) { 16227 PackageRemovedInfo removedChildRes = res.removedInfo 16228 .removedChildPackages.get(deletedChildPkg.packageName); 16229 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16230 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16231 } 16232 } 16233 } 16234 16235 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16236 installReason); 16237 prepareAppDataAfterInstallLIF(newPackage); 16238 } 16239 } catch (PackageManagerException e) { 16240 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16241 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16242 } 16243 16244 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16245 // Re installation failed. Restore old information 16246 // Remove new pkg information 16247 if (newPackage != null) { 16248 removeInstalledPackageLI(newPackage, true); 16249 } 16250 // Add back the old system package 16251 try { 16252 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16253 } catch (PackageManagerException e) { 16254 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16255 } 16256 16257 synchronized (mPackages) { 16258 if (disabledSystem) { 16259 enableSystemPackageLPw(deletedPackage); 16260 } 16261 16262 // Ensure the installer package name up to date 16263 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16264 16265 // Update permissions for restored package 16266 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16267 16268 mSettings.writeLPr(); 16269 } 16270 16271 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16272 + " after failed upgrade"); 16273 } 16274 } 16275 16276 /** 16277 * Checks whether the parent or any of the child packages have a change shared 16278 * user. For a package to be a valid update the shred users of the parent and 16279 * the children should match. We may later support changing child shared users. 16280 * @param oldPkg The updated package. 16281 * @param newPkg The update package. 16282 * @return The shared user that change between the versions. 16283 */ 16284 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16285 PackageParser.Package newPkg) { 16286 // Check parent shared user 16287 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16288 return newPkg.packageName; 16289 } 16290 // Check child shared users 16291 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16292 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16293 for (int i = 0; i < newChildCount; i++) { 16294 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16295 // If this child was present, did it have the same shared user? 16296 for (int j = 0; j < oldChildCount; j++) { 16297 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16298 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16299 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16300 return newChildPkg.packageName; 16301 } 16302 } 16303 } 16304 return null; 16305 } 16306 16307 private void removeNativeBinariesLI(PackageSetting ps) { 16308 // Remove the lib path for the parent package 16309 if (ps != null) { 16310 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16311 // Remove the lib path for the child packages 16312 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16313 for (int i = 0; i < childCount; i++) { 16314 PackageSetting childPs = null; 16315 synchronized (mPackages) { 16316 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16317 } 16318 if (childPs != null) { 16319 NativeLibraryHelper.removeNativeBinariesLI(childPs 16320 .legacyNativeLibraryPathString); 16321 } 16322 } 16323 } 16324 } 16325 16326 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16327 // Enable the parent package 16328 mSettings.enableSystemPackageLPw(pkg.packageName); 16329 // Enable the child packages 16330 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16331 for (int i = 0; i < childCount; i++) { 16332 PackageParser.Package childPkg = pkg.childPackages.get(i); 16333 mSettings.enableSystemPackageLPw(childPkg.packageName); 16334 } 16335 } 16336 16337 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16338 PackageParser.Package newPkg) { 16339 // Disable the parent package (parent always replaced) 16340 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16341 // Disable the child packages 16342 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16343 for (int i = 0; i < childCount; i++) { 16344 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16345 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16346 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16347 } 16348 return disabled; 16349 } 16350 16351 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16352 String installerPackageName) { 16353 // Enable the parent package 16354 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16355 // Enable the child packages 16356 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16357 for (int i = 0; i < childCount; i++) { 16358 PackageParser.Package childPkg = pkg.childPackages.get(i); 16359 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16360 } 16361 } 16362 16363 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16364 // Collect all used permissions in the UID 16365 ArraySet<String> usedPermissions = new ArraySet<>(); 16366 final int packageCount = su.packages.size(); 16367 for (int i = 0; i < packageCount; i++) { 16368 PackageSetting ps = su.packages.valueAt(i); 16369 if (ps.pkg == null) { 16370 continue; 16371 } 16372 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16373 for (int j = 0; j < requestedPermCount; j++) { 16374 String permission = ps.pkg.requestedPermissions.get(j); 16375 BasePermission bp = mSettings.mPermissions.get(permission); 16376 if (bp != null) { 16377 usedPermissions.add(permission); 16378 } 16379 } 16380 } 16381 16382 PermissionsState permissionsState = su.getPermissionsState(); 16383 // Prune install permissions 16384 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16385 final int installPermCount = installPermStates.size(); 16386 for (int i = installPermCount - 1; i >= 0; i--) { 16387 PermissionState permissionState = installPermStates.get(i); 16388 if (!usedPermissions.contains(permissionState.getName())) { 16389 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16390 if (bp != null) { 16391 permissionsState.revokeInstallPermission(bp); 16392 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16393 PackageManager.MASK_PERMISSION_FLAGS, 0); 16394 } 16395 } 16396 } 16397 16398 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16399 16400 // Prune runtime permissions 16401 for (int userId : allUserIds) { 16402 List<PermissionState> runtimePermStates = permissionsState 16403 .getRuntimePermissionStates(userId); 16404 final int runtimePermCount = runtimePermStates.size(); 16405 for (int i = runtimePermCount - 1; i >= 0; i--) { 16406 PermissionState permissionState = runtimePermStates.get(i); 16407 if (!usedPermissions.contains(permissionState.getName())) { 16408 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16409 if (bp != null) { 16410 permissionsState.revokeRuntimePermission(bp, userId); 16411 permissionsState.updatePermissionFlags(bp, userId, 16412 PackageManager.MASK_PERMISSION_FLAGS, 0); 16413 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16414 runtimePermissionChangedUserIds, userId); 16415 } 16416 } 16417 } 16418 } 16419 16420 return runtimePermissionChangedUserIds; 16421 } 16422 16423 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16424 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16425 // Update the parent package setting 16426 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16427 res, user, installReason); 16428 // Update the child packages setting 16429 final int childCount = (newPackage.childPackages != null) 16430 ? newPackage.childPackages.size() : 0; 16431 for (int i = 0; i < childCount; i++) { 16432 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16433 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16434 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16435 childRes.origUsers, childRes, user, installReason); 16436 } 16437 } 16438 16439 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16440 String installerPackageName, int[] allUsers, int[] installedForUsers, 16441 PackageInstalledInfo res, UserHandle user, int installReason) { 16442 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16443 16444 String pkgName = newPackage.packageName; 16445 synchronized (mPackages) { 16446 //write settings. the installStatus will be incomplete at this stage. 16447 //note that the new package setting would have already been 16448 //added to mPackages. It hasn't been persisted yet. 16449 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16450 // TODO: Remove this write? It's also written at the end of this method 16451 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16452 mSettings.writeLPr(); 16453 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16454 } 16455 16456 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16457 synchronized (mPackages) { 16458 updatePermissionsLPw(newPackage.packageName, newPackage, 16459 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16460 ? UPDATE_PERMISSIONS_ALL : 0)); 16461 // For system-bundled packages, we assume that installing an upgraded version 16462 // of the package implies that the user actually wants to run that new code, 16463 // so we enable the package. 16464 PackageSetting ps = mSettings.mPackages.get(pkgName); 16465 final int userId = user.getIdentifier(); 16466 if (ps != null) { 16467 if (isSystemApp(newPackage)) { 16468 if (DEBUG_INSTALL) { 16469 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16470 } 16471 // Enable system package for requested users 16472 if (res.origUsers != null) { 16473 for (int origUserId : res.origUsers) { 16474 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16475 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16476 origUserId, installerPackageName); 16477 } 16478 } 16479 } 16480 // Also convey the prior install/uninstall state 16481 if (allUsers != null && installedForUsers != null) { 16482 for (int currentUserId : allUsers) { 16483 final boolean installed = ArrayUtils.contains( 16484 installedForUsers, currentUserId); 16485 if (DEBUG_INSTALL) { 16486 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16487 } 16488 ps.setInstalled(installed, currentUserId); 16489 } 16490 // these install state changes will be persisted in the 16491 // upcoming call to mSettings.writeLPr(). 16492 } 16493 } 16494 // It's implied that when a user requests installation, they want the app to be 16495 // installed and enabled. 16496 if (userId != UserHandle.USER_ALL) { 16497 ps.setInstalled(true, userId); 16498 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16499 } 16500 16501 // When replacing an existing package, preserve the original install reason for all 16502 // users that had the package installed before. 16503 final Set<Integer> previousUserIds = new ArraySet<>(); 16504 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16505 final int installReasonCount = res.removedInfo.installReasons.size(); 16506 for (int i = 0; i < installReasonCount; i++) { 16507 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16508 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16509 ps.setInstallReason(previousInstallReason, previousUserId); 16510 previousUserIds.add(previousUserId); 16511 } 16512 } 16513 16514 // Set install reason for users that are having the package newly installed. 16515 if (userId == UserHandle.USER_ALL) { 16516 for (int currentUserId : sUserManager.getUserIds()) { 16517 if (!previousUserIds.contains(currentUserId)) { 16518 ps.setInstallReason(installReason, currentUserId); 16519 } 16520 } 16521 } else if (!previousUserIds.contains(userId)) { 16522 ps.setInstallReason(installReason, userId); 16523 } 16524 mSettings.writeKernelMappingLPr(ps); 16525 } 16526 res.name = pkgName; 16527 res.uid = newPackage.applicationInfo.uid; 16528 res.pkg = newPackage; 16529 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16530 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16531 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16532 //to update install status 16533 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16534 mSettings.writeLPr(); 16535 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16536 } 16537 16538 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16539 } 16540 16541 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16542 try { 16543 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16544 installPackageLI(args, res); 16545 } finally { 16546 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16547 } 16548 } 16549 16550 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16551 final int installFlags = args.installFlags; 16552 final String installerPackageName = args.installerPackageName; 16553 final String volumeUuid = args.volumeUuid; 16554 final File tmpPackageFile = new File(args.getCodePath()); 16555 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16556 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16557 || (args.volumeUuid != null)); 16558 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16559 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16560 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16561 boolean replace = false; 16562 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16563 if (args.move != null) { 16564 // moving a complete application; perform an initial scan on the new install location 16565 scanFlags |= SCAN_INITIAL; 16566 } 16567 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16568 scanFlags |= SCAN_DONT_KILL_APP; 16569 } 16570 if (instantApp) { 16571 scanFlags |= SCAN_AS_INSTANT_APP; 16572 } 16573 if (fullApp) { 16574 scanFlags |= SCAN_AS_FULL_APP; 16575 } 16576 16577 // Result object to be returned 16578 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16579 16580 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16581 16582 // Sanity check 16583 if (instantApp && (forwardLocked || onExternal)) { 16584 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16585 + " external=" + onExternal); 16586 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16587 return; 16588 } 16589 16590 // Retrieve PackageSettings and parse package 16591 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16592 | PackageParser.PARSE_ENFORCE_CODE 16593 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16594 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16595 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16596 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16597 PackageParser pp = new PackageParser(); 16598 pp.setSeparateProcesses(mSeparateProcesses); 16599 pp.setDisplayMetrics(mMetrics); 16600 16601 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16602 final PackageParser.Package pkg; 16603 try { 16604 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16605 } catch (PackageParserException e) { 16606 res.setError("Failed parse during installPackageLI", e); 16607 return; 16608 } finally { 16609 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16610 } 16611 16612// // Ephemeral apps must have target SDK >= O. 16613// // TODO: Update conditional and error message when O gets locked down 16614// if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16615// res.setError(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID, 16616// "Ephemeral apps must have target SDK version of at least O"); 16617// return; 16618// } 16619 16620 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16621 // Static shared libraries have synthetic package names 16622 renameStaticSharedLibraryPackage(pkg); 16623 16624 // No static shared libs on external storage 16625 if (onExternal) { 16626 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16627 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16628 "Packages declaring static-shared libs cannot be updated"); 16629 return; 16630 } 16631 } 16632 16633 // If we are installing a clustered package add results for the children 16634 if (pkg.childPackages != null) { 16635 synchronized (mPackages) { 16636 final int childCount = pkg.childPackages.size(); 16637 for (int i = 0; i < childCount; i++) { 16638 PackageParser.Package childPkg = pkg.childPackages.get(i); 16639 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16640 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16641 childRes.pkg = childPkg; 16642 childRes.name = childPkg.packageName; 16643 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16644 if (childPs != null) { 16645 childRes.origUsers = childPs.queryInstalledUsers( 16646 sUserManager.getUserIds(), true); 16647 } 16648 if ((mPackages.containsKey(childPkg.packageName))) { 16649 childRes.removedInfo = new PackageRemovedInfo(); 16650 childRes.removedInfo.removedPackage = childPkg.packageName; 16651 } 16652 if (res.addedChildPackages == null) { 16653 res.addedChildPackages = new ArrayMap<>(); 16654 } 16655 res.addedChildPackages.put(childPkg.packageName, childRes); 16656 } 16657 } 16658 } 16659 16660 // If package doesn't declare API override, mark that we have an install 16661 // time CPU ABI override. 16662 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16663 pkg.cpuAbiOverride = args.abiOverride; 16664 } 16665 16666 String pkgName = res.name = pkg.packageName; 16667 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16668 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16669 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16670 return; 16671 } 16672 } 16673 16674 try { 16675 // either use what we've been given or parse directly from the APK 16676 if (args.certificates != null) { 16677 try { 16678 PackageParser.populateCertificates(pkg, args.certificates); 16679 } catch (PackageParserException e) { 16680 // there was something wrong with the certificates we were given; 16681 // try to pull them from the APK 16682 PackageParser.collectCertificates(pkg, parseFlags); 16683 } 16684 } else { 16685 PackageParser.collectCertificates(pkg, parseFlags); 16686 } 16687 } catch (PackageParserException e) { 16688 res.setError("Failed collect during installPackageLI", e); 16689 return; 16690 } 16691 16692 // Get rid of all references to package scan path via parser. 16693 pp = null; 16694 String oldCodePath = null; 16695 boolean systemApp = false; 16696 synchronized (mPackages) { 16697 // Check if installing already existing package 16698 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16699 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16700 if (pkg.mOriginalPackages != null 16701 && pkg.mOriginalPackages.contains(oldName) 16702 && mPackages.containsKey(oldName)) { 16703 // This package is derived from an original package, 16704 // and this device has been updating from that original 16705 // name. We must continue using the original name, so 16706 // rename the new package here. 16707 pkg.setPackageName(oldName); 16708 pkgName = pkg.packageName; 16709 replace = true; 16710 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16711 + oldName + " pkgName=" + pkgName); 16712 } else if (mPackages.containsKey(pkgName)) { 16713 // This package, under its official name, already exists 16714 // on the device; we should replace it. 16715 replace = true; 16716 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16717 } 16718 16719 // Child packages are installed through the parent package 16720 if (pkg.parentPackage != null) { 16721 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16722 "Package " + pkg.packageName + " is child of package " 16723 + pkg.parentPackage.parentPackage + ". Child packages " 16724 + "can be updated only through the parent package."); 16725 return; 16726 } 16727 16728 if (replace) { 16729 // Prevent apps opting out from runtime permissions 16730 PackageParser.Package oldPackage = mPackages.get(pkgName); 16731 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16732 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16733 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16734 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16735 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16736 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16737 + " doesn't support runtime permissions but the old" 16738 + " target SDK " + oldTargetSdk + " does."); 16739 return; 16740 } 16741 16742 // Prevent installing of child packages 16743 if (oldPackage.parentPackage != null) { 16744 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16745 "Package " + pkg.packageName + " is child of package " 16746 + oldPackage.parentPackage + ". Child packages " 16747 + "can be updated only through the parent package."); 16748 return; 16749 } 16750 } 16751 } 16752 16753 PackageSetting ps = mSettings.mPackages.get(pkgName); 16754 if (ps != null) { 16755 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16756 16757 // Static shared libs have same package with different versions where 16758 // we internally use a synthetic package name to allow multiple versions 16759 // of the same package, therefore we need to compare signatures against 16760 // the package setting for the latest library version. 16761 PackageSetting signatureCheckPs = ps; 16762 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16763 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16764 if (libraryEntry != null) { 16765 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16766 } 16767 } 16768 16769 // Quick sanity check that we're signed correctly if updating; 16770 // we'll check this again later when scanning, but we want to 16771 // bail early here before tripping over redefined permissions. 16772 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 16773 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 16774 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16775 + pkg.packageName + " upgrade keys do not match the " 16776 + "previously installed version"); 16777 return; 16778 } 16779 } else { 16780 try { 16781 verifySignaturesLP(signatureCheckPs, pkg); 16782 } catch (PackageManagerException e) { 16783 res.setError(e.error, e.getMessage()); 16784 return; 16785 } 16786 } 16787 16788 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16789 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16790 systemApp = (ps.pkg.applicationInfo.flags & 16791 ApplicationInfo.FLAG_SYSTEM) != 0; 16792 } 16793 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16794 } 16795 16796 // Check whether the newly-scanned package wants to define an already-defined perm 16797 int N = pkg.permissions.size(); 16798 for (int i = N-1; i >= 0; i--) { 16799 PackageParser.Permission perm = pkg.permissions.get(i); 16800 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 16801 if (bp != null) { 16802 // If the defining package is signed with our cert, it's okay. This 16803 // also includes the "updating the same package" case, of course. 16804 // "updating same package" could also involve key-rotation. 16805 final boolean sigsOk; 16806 if (bp.sourcePackage.equals(pkg.packageName) 16807 && (bp.packageSetting instanceof PackageSetting) 16808 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 16809 scanFlags))) { 16810 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 16811 } else { 16812 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 16813 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16814 } 16815 if (!sigsOk) { 16816 // If the owning package is the system itself, we log but allow 16817 // install to proceed; we fail the install on all other permission 16818 // redefinitions. 16819 if (!bp.sourcePackage.equals("android")) { 16820 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16821 + pkg.packageName + " attempting to redeclare permission " 16822 + perm.info.name + " already owned by " + bp.sourcePackage); 16823 res.origPermission = perm.info.name; 16824 res.origPackage = bp.sourcePackage; 16825 return; 16826 } else { 16827 Slog.w(TAG, "Package " + pkg.packageName 16828 + " attempting to redeclare system permission " 16829 + perm.info.name + "; ignoring new declaration"); 16830 pkg.permissions.remove(i); 16831 } 16832 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16833 // Prevent apps to change protection level to dangerous from any other 16834 // type as this would allow a privilege escalation where an app adds a 16835 // normal/signature permission in other app's group and later redefines 16836 // it as dangerous leading to the group auto-grant. 16837 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16838 == PermissionInfo.PROTECTION_DANGEROUS) { 16839 if (bp != null && !bp.isRuntime()) { 16840 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16841 + "non-runtime permission " + perm.info.name 16842 + " to runtime; keeping old protection level"); 16843 perm.info.protectionLevel = bp.protectionLevel; 16844 } 16845 } 16846 } 16847 } 16848 } 16849 } 16850 16851 if (systemApp) { 16852 if (onExternal) { 16853 // Abort update; system app can't be replaced with app on sdcard 16854 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16855 "Cannot install updates to system apps on sdcard"); 16856 return; 16857 } else if (instantApp) { 16858 // Abort update; system app can't be replaced with an instant app 16859 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16860 "Cannot update a system app with an instant app"); 16861 return; 16862 } 16863 } 16864 16865 if (args.move != null) { 16866 // We did an in-place move, so dex is ready to roll 16867 scanFlags |= SCAN_NO_DEX; 16868 scanFlags |= SCAN_MOVE; 16869 16870 synchronized (mPackages) { 16871 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16872 if (ps == null) { 16873 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16874 "Missing settings for moved package " + pkgName); 16875 } 16876 16877 // We moved the entire application as-is, so bring over the 16878 // previously derived ABI information. 16879 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16880 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16881 } 16882 16883 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16884 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16885 scanFlags |= SCAN_NO_DEX; 16886 16887 try { 16888 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16889 args.abiOverride : pkg.cpuAbiOverride); 16890 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16891 true /*extractLibs*/, mAppLib32InstallDir); 16892 } catch (PackageManagerException pme) { 16893 Slog.e(TAG, "Error deriving application ABI", pme); 16894 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16895 return; 16896 } 16897 16898 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16899 // Do not run PackageDexOptimizer through the local performDexOpt 16900 // method because `pkg` may not be in `mPackages` yet. 16901 // 16902 // Also, don't fail application installs if the dexopt step fails. 16903 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16904 null /* instructionSets */, false /* checkProfiles */, 16905 getCompilerFilterForReason(REASON_INSTALL), 16906 getOrCreateCompilerPackageStats(pkg)); 16907 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16908 16909 // Notify BackgroundDexOptJobService that the package has been changed. 16910 // If this is an update of a package which used to fail to compile, 16911 // BDOS will remove it from its blacklist. 16912 // TODO: Layering violation 16913 BackgroundDexOptJobService.notifyPackageChanged(pkg.packageName); 16914 } 16915 16916 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16917 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16918 return; 16919 } 16920 16921 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16922 16923 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16924 "installPackageLI")) { 16925 if (replace) { 16926 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16927 // Static libs have a synthetic package name containing the version 16928 // and cannot be updated as an update would get a new package name, 16929 // unless this is the exact same version code which is useful for 16930 // development. 16931 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16932 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16933 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16934 + "static-shared libs cannot be updated"); 16935 return; 16936 } 16937 } 16938 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16939 installerPackageName, res, args.installReason); 16940 } else { 16941 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16942 args.user, installerPackageName, volumeUuid, res, args.installReason); 16943 } 16944 } 16945 synchronized (mPackages) { 16946 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16947 if (ps != null) { 16948 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16949 } 16950 16951 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16952 for (int i = 0; i < childCount; i++) { 16953 PackageParser.Package childPkg = pkg.childPackages.get(i); 16954 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16955 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16956 if (childPs != null) { 16957 childRes.newUsers = childPs.queryInstalledUsers( 16958 sUserManager.getUserIds(), true); 16959 } 16960 } 16961 16962 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16963 updateSequenceNumberLP(pkgName, res.newUsers); 16964 } 16965 } 16966 } 16967 16968 private void startIntentFilterVerifications(int userId, boolean replacing, 16969 PackageParser.Package pkg) { 16970 if (mIntentFilterVerifierComponent == null) { 16971 Slog.w(TAG, "No IntentFilter verification will not be done as " 16972 + "there is no IntentFilterVerifier available!"); 16973 return; 16974 } 16975 16976 final int verifierUid = getPackageUid( 16977 mIntentFilterVerifierComponent.getPackageName(), 16978 MATCH_DEBUG_TRIAGED_MISSING, 16979 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16980 16981 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16982 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16983 mHandler.sendMessage(msg); 16984 16985 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16986 for (int i = 0; i < childCount; i++) { 16987 PackageParser.Package childPkg = pkg.childPackages.get(i); 16988 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16989 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16990 mHandler.sendMessage(msg); 16991 } 16992 } 16993 16994 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16995 PackageParser.Package pkg) { 16996 int size = pkg.activities.size(); 16997 if (size == 0) { 16998 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16999 "No activity, so no need to verify any IntentFilter!"); 17000 return; 17001 } 17002 17003 final boolean hasDomainURLs = hasDomainURLs(pkg); 17004 if (!hasDomainURLs) { 17005 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17006 "No domain URLs, so no need to verify any IntentFilter!"); 17007 return; 17008 } 17009 17010 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17011 + " if any IntentFilter from the " + size 17012 + " Activities needs verification ..."); 17013 17014 int count = 0; 17015 final String packageName = pkg.packageName; 17016 17017 synchronized (mPackages) { 17018 // If this is a new install and we see that we've already run verification for this 17019 // package, we have nothing to do: it means the state was restored from backup. 17020 if (!replacing) { 17021 IntentFilterVerificationInfo ivi = 17022 mSettings.getIntentFilterVerificationLPr(packageName); 17023 if (ivi != null) { 17024 if (DEBUG_DOMAIN_VERIFICATION) { 17025 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17026 + ivi.getStatusString()); 17027 } 17028 return; 17029 } 17030 } 17031 17032 // If any filters need to be verified, then all need to be. 17033 boolean needToVerify = false; 17034 for (PackageParser.Activity a : pkg.activities) { 17035 for (ActivityIntentInfo filter : a.intents) { 17036 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17037 if (DEBUG_DOMAIN_VERIFICATION) { 17038 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 17039 } 17040 needToVerify = true; 17041 break; 17042 } 17043 } 17044 } 17045 17046 if (needToVerify) { 17047 final int verificationId = mIntentFilterVerificationToken++; 17048 for (PackageParser.Activity a : pkg.activities) { 17049 for (ActivityIntentInfo filter : a.intents) { 17050 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17051 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17052 "Verification needed for IntentFilter:" + filter.toString()); 17053 mIntentFilterVerifier.addOneIntentFilterVerification( 17054 verifierUid, userId, verificationId, filter, packageName); 17055 count++; 17056 } 17057 } 17058 } 17059 } 17060 } 17061 17062 if (count > 0) { 17063 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17064 + " IntentFilter verification" + (count > 1 ? "s" : "") 17065 + " for userId:" + userId); 17066 mIntentFilterVerifier.startVerifications(userId); 17067 } else { 17068 if (DEBUG_DOMAIN_VERIFICATION) { 17069 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17070 } 17071 } 17072 } 17073 17074 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17075 final ComponentName cn = filter.activity.getComponentName(); 17076 final String packageName = cn.getPackageName(); 17077 17078 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17079 packageName); 17080 if (ivi == null) { 17081 return true; 17082 } 17083 int status = ivi.getStatus(); 17084 switch (status) { 17085 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17086 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17087 return true; 17088 17089 default: 17090 // Nothing to do 17091 return false; 17092 } 17093 } 17094 17095 private static boolean isMultiArch(ApplicationInfo info) { 17096 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17097 } 17098 17099 private static boolean isExternal(PackageParser.Package pkg) { 17100 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17101 } 17102 17103 private static boolean isExternal(PackageSetting ps) { 17104 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17105 } 17106 17107 private static boolean isSystemApp(PackageParser.Package pkg) { 17108 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17109 } 17110 17111 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17112 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17113 } 17114 17115 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17116 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17117 } 17118 17119 private static boolean isSystemApp(PackageSetting ps) { 17120 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17121 } 17122 17123 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17124 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17125 } 17126 17127 private int packageFlagsToInstallFlags(PackageSetting ps) { 17128 int installFlags = 0; 17129 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17130 // This existing package was an external ASEC install when we have 17131 // the external flag without a UUID 17132 installFlags |= PackageManager.INSTALL_EXTERNAL; 17133 } 17134 if (ps.isForwardLocked()) { 17135 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17136 } 17137 return installFlags; 17138 } 17139 17140 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17141 if (isExternal(pkg)) { 17142 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17143 return StorageManager.UUID_PRIMARY_PHYSICAL; 17144 } else { 17145 return pkg.volumeUuid; 17146 } 17147 } else { 17148 return StorageManager.UUID_PRIVATE_INTERNAL; 17149 } 17150 } 17151 17152 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17153 if (isExternal(pkg)) { 17154 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17155 return mSettings.getExternalVersion(); 17156 } else { 17157 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17158 } 17159 } else { 17160 return mSettings.getInternalVersion(); 17161 } 17162 } 17163 17164 private void deleteTempPackageFiles() { 17165 final FilenameFilter filter = new FilenameFilter() { 17166 public boolean accept(File dir, String name) { 17167 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17168 } 17169 }; 17170 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17171 file.delete(); 17172 } 17173 } 17174 17175 @Override 17176 public void deletePackageAsUser(String packageName, int versionCode, 17177 IPackageDeleteObserver observer, int userId, int flags) { 17178 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17179 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17180 } 17181 17182 @Override 17183 public void deletePackageVersioned(VersionedPackage versionedPackage, 17184 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17185 mContext.enforceCallingOrSelfPermission( 17186 android.Manifest.permission.DELETE_PACKAGES, null); 17187 Preconditions.checkNotNull(versionedPackage); 17188 Preconditions.checkNotNull(observer); 17189 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17190 PackageManager.VERSION_CODE_HIGHEST, 17191 Integer.MAX_VALUE, "versionCode must be >= -1"); 17192 17193 final String packageName = versionedPackage.getPackageName(); 17194 // TODO: We will change version code to long, so in the new API it is long 17195 final int versionCode = (int) versionedPackage.getVersionCode(); 17196 final String internalPackageName; 17197 synchronized (mPackages) { 17198 // Normalize package name to handle renamed packages and static libs 17199 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17200 // TODO: We will change version code to long, so in the new API it is long 17201 (int) versionedPackage.getVersionCode()); 17202 } 17203 17204 final int uid = Binder.getCallingUid(); 17205 if (!isOrphaned(internalPackageName) 17206 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17207 try { 17208 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17209 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17210 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17211 observer.onUserActionRequired(intent); 17212 } catch (RemoteException re) { 17213 } 17214 return; 17215 } 17216 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17217 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17218 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17219 mContext.enforceCallingOrSelfPermission( 17220 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17221 "deletePackage for user " + userId); 17222 } 17223 17224 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17225 try { 17226 observer.onPackageDeleted(packageName, 17227 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17228 } catch (RemoteException re) { 17229 } 17230 return; 17231 } 17232 17233 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17234 try { 17235 observer.onPackageDeleted(packageName, 17236 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17237 } catch (RemoteException re) { 17238 } 17239 return; 17240 } 17241 17242 if (DEBUG_REMOVE) { 17243 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17244 + " deleteAllUsers: " + deleteAllUsers + " version=" 17245 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17246 ? "VERSION_CODE_HIGHEST" : versionCode)); 17247 } 17248 // Queue up an async operation since the package deletion may take a little while. 17249 mHandler.post(new Runnable() { 17250 public void run() { 17251 mHandler.removeCallbacks(this); 17252 int returnCode; 17253 if (!deleteAllUsers) { 17254 returnCode = deletePackageX(internalPackageName, versionCode, 17255 userId, deleteFlags); 17256 } else { 17257 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17258 internalPackageName, users); 17259 // If nobody is blocking uninstall, proceed with delete for all users 17260 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17261 returnCode = deletePackageX(internalPackageName, versionCode, 17262 userId, deleteFlags); 17263 } else { 17264 // Otherwise uninstall individually for users with blockUninstalls=false 17265 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17266 for (int userId : users) { 17267 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17268 returnCode = deletePackageX(internalPackageName, versionCode, 17269 userId, userFlags); 17270 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17271 Slog.w(TAG, "Package delete failed for user " + userId 17272 + ", returnCode " + returnCode); 17273 } 17274 } 17275 } 17276 // The app has only been marked uninstalled for certain users. 17277 // We still need to report that delete was blocked 17278 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17279 } 17280 } 17281 try { 17282 observer.onPackageDeleted(packageName, returnCode, null); 17283 } catch (RemoteException e) { 17284 Log.i(TAG, "Observer no longer exists."); 17285 } //end catch 17286 } //end run 17287 }); 17288 } 17289 17290 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17291 if (pkg.staticSharedLibName != null) { 17292 return pkg.manifestPackageName; 17293 } 17294 return pkg.packageName; 17295 } 17296 17297 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17298 // Handle renamed packages 17299 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17300 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17301 17302 // Is this a static library? 17303 SparseArray<SharedLibraryEntry> versionedLib = 17304 mStaticLibsByDeclaringPackage.get(packageName); 17305 if (versionedLib == null || versionedLib.size() <= 0) { 17306 return packageName; 17307 } 17308 17309 // Figure out which lib versions the caller can see 17310 SparseIntArray versionsCallerCanSee = null; 17311 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17312 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17313 && callingAppId != Process.ROOT_UID) { 17314 versionsCallerCanSee = new SparseIntArray(); 17315 String libName = versionedLib.valueAt(0).info.getName(); 17316 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17317 if (uidPackages != null) { 17318 for (String uidPackage : uidPackages) { 17319 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17320 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17321 if (libIdx >= 0) { 17322 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17323 versionsCallerCanSee.append(libVersion, libVersion); 17324 } 17325 } 17326 } 17327 } 17328 17329 // Caller can see nothing - done 17330 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17331 return packageName; 17332 } 17333 17334 // Find the version the caller can see and the app version code 17335 SharedLibraryEntry highestVersion = null; 17336 final int versionCount = versionedLib.size(); 17337 for (int i = 0; i < versionCount; i++) { 17338 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17339 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17340 libEntry.info.getVersion()) < 0) { 17341 continue; 17342 } 17343 // TODO: We will change version code to long, so in the new API it is long 17344 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17345 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17346 if (libVersionCode == versionCode) { 17347 return libEntry.apk; 17348 } 17349 } else if (highestVersion == null) { 17350 highestVersion = libEntry; 17351 } else if (libVersionCode > highestVersion.info 17352 .getDeclaringPackage().getVersionCode()) { 17353 highestVersion = libEntry; 17354 } 17355 } 17356 17357 if (highestVersion != null) { 17358 return highestVersion.apk; 17359 } 17360 17361 return packageName; 17362 } 17363 17364 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17365 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17366 || callingUid == Process.SYSTEM_UID) { 17367 return true; 17368 } 17369 final int callingUserId = UserHandle.getUserId(callingUid); 17370 // If the caller installed the pkgName, then allow it to silently uninstall. 17371 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17372 return true; 17373 } 17374 17375 // Allow package verifier to silently uninstall. 17376 if (mRequiredVerifierPackage != null && 17377 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17378 return true; 17379 } 17380 17381 // Allow package uninstaller to silently uninstall. 17382 if (mRequiredUninstallerPackage != null && 17383 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17384 return true; 17385 } 17386 17387 // Allow storage manager to silently uninstall. 17388 if (mStorageManagerPackage != null && 17389 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17390 return true; 17391 } 17392 return false; 17393 } 17394 17395 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17396 int[] result = EMPTY_INT_ARRAY; 17397 for (int userId : userIds) { 17398 if (getBlockUninstallForUser(packageName, userId)) { 17399 result = ArrayUtils.appendInt(result, userId); 17400 } 17401 } 17402 return result; 17403 } 17404 17405 @Override 17406 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17407 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17408 } 17409 17410 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17411 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17412 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17413 try { 17414 if (dpm != null) { 17415 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17416 /* callingUserOnly =*/ false); 17417 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17418 : deviceOwnerComponentName.getPackageName(); 17419 // Does the package contains the device owner? 17420 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17421 // this check is probably not needed, since DO should be registered as a device 17422 // admin on some user too. (Original bug for this: b/17657954) 17423 if (packageName.equals(deviceOwnerPackageName)) { 17424 return true; 17425 } 17426 // Does it contain a device admin for any user? 17427 int[] users; 17428 if (userId == UserHandle.USER_ALL) { 17429 users = sUserManager.getUserIds(); 17430 } else { 17431 users = new int[]{userId}; 17432 } 17433 for (int i = 0; i < users.length; ++i) { 17434 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17435 return true; 17436 } 17437 } 17438 } 17439 } catch (RemoteException e) { 17440 } 17441 return false; 17442 } 17443 17444 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17445 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17446 } 17447 17448 /** 17449 * This method is an internal method that could be get invoked either 17450 * to delete an installed package or to clean up a failed installation. 17451 * After deleting an installed package, a broadcast is sent to notify any 17452 * listeners that the package has been removed. For cleaning up a failed 17453 * installation, the broadcast is not necessary since the package's 17454 * installation wouldn't have sent the initial broadcast either 17455 * The key steps in deleting a package are 17456 * deleting the package information in internal structures like mPackages, 17457 * deleting the packages base directories through installd 17458 * updating mSettings to reflect current status 17459 * persisting settings for later use 17460 * sending a broadcast if necessary 17461 */ 17462 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17463 final PackageRemovedInfo info = new PackageRemovedInfo(); 17464 final boolean res; 17465 17466 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17467 ? UserHandle.USER_ALL : userId; 17468 17469 if (isPackageDeviceAdmin(packageName, removeUser)) { 17470 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17471 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17472 } 17473 17474 PackageSetting uninstalledPs = null; 17475 17476 // for the uninstall-updates case and restricted profiles, remember the per- 17477 // user handle installed state 17478 int[] allUsers; 17479 synchronized (mPackages) { 17480 uninstalledPs = mSettings.mPackages.get(packageName); 17481 if (uninstalledPs == null) { 17482 Slog.w(TAG, "Not removing non-existent package " + packageName); 17483 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17484 } 17485 17486 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17487 && uninstalledPs.versionCode != versionCode) { 17488 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17489 + uninstalledPs.versionCode + " != " + versionCode); 17490 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17491 } 17492 17493 // Static shared libs can be declared by any package, so let us not 17494 // allow removing a package if it provides a lib others depend on. 17495 PackageParser.Package pkg = mPackages.get(packageName); 17496 if (pkg != null && pkg.staticSharedLibName != null) { 17497 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17498 pkg.staticSharedLibVersion); 17499 if (libEntry != null) { 17500 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17501 libEntry.info, 0, userId); 17502 if (!ArrayUtils.isEmpty(libClientPackages)) { 17503 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17504 + " hosting lib " + libEntry.info.getName() + " version " 17505 + libEntry.info.getVersion() + " used by " + libClientPackages); 17506 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17507 } 17508 } 17509 } 17510 17511 allUsers = sUserManager.getUserIds(); 17512 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17513 } 17514 17515 final int freezeUser; 17516 if (isUpdatedSystemApp(uninstalledPs) 17517 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17518 // We're downgrading a system app, which will apply to all users, so 17519 // freeze them all during the downgrade 17520 freezeUser = UserHandle.USER_ALL; 17521 } else { 17522 freezeUser = removeUser; 17523 } 17524 17525 synchronized (mInstallLock) { 17526 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17527 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17528 deleteFlags, "deletePackageX")) { 17529 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17530 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17531 } 17532 synchronized (mPackages) { 17533 if (res) { 17534 mInstantAppRegistry.onPackageUninstalledLPw(uninstalledPs.pkg, 17535 info.removedUsers); 17536 updateSequenceNumberLP(packageName, info.removedUsers); 17537 } 17538 } 17539 } 17540 17541 if (res) { 17542 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17543 info.sendPackageRemovedBroadcasts(killApp); 17544 info.sendSystemPackageUpdatedBroadcasts(); 17545 info.sendSystemPackageAppearedBroadcasts(); 17546 } 17547 // Force a gc here. 17548 Runtime.getRuntime().gc(); 17549 // Delete the resources here after sending the broadcast to let 17550 // other processes clean up before deleting resources. 17551 if (info.args != null) { 17552 synchronized (mInstallLock) { 17553 info.args.doPostDeleteLI(true); 17554 } 17555 } 17556 17557 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17558 } 17559 17560 class PackageRemovedInfo { 17561 String removedPackage; 17562 int uid = -1; 17563 int removedAppId = -1; 17564 int[] origUsers; 17565 int[] removedUsers = null; 17566 SparseArray<Integer> installReasons; 17567 boolean isRemovedPackageSystemUpdate = false; 17568 boolean isUpdate; 17569 boolean dataRemoved; 17570 boolean removedForAllUsers; 17571 boolean isStaticSharedLib; 17572 // Clean up resources deleted packages. 17573 InstallArgs args = null; 17574 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17575 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17576 17577 void sendPackageRemovedBroadcasts(boolean killApp) { 17578 sendPackageRemovedBroadcastInternal(killApp); 17579 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17580 for (int i = 0; i < childCount; i++) { 17581 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17582 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17583 } 17584 } 17585 17586 void sendSystemPackageUpdatedBroadcasts() { 17587 if (isRemovedPackageSystemUpdate) { 17588 sendSystemPackageUpdatedBroadcastsInternal(); 17589 final int childCount = (removedChildPackages != null) 17590 ? removedChildPackages.size() : 0; 17591 for (int i = 0; i < childCount; i++) { 17592 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17593 if (childInfo.isRemovedPackageSystemUpdate) { 17594 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17595 } 17596 } 17597 } 17598 } 17599 17600 void sendSystemPackageAppearedBroadcasts() { 17601 final int packageCount = (appearedChildPackages != null) 17602 ? appearedChildPackages.size() : 0; 17603 for (int i = 0; i < packageCount; i++) { 17604 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17605 sendPackageAddedForNewUsers(installedInfo.name, true, 17606 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17607 } 17608 } 17609 17610 private void sendSystemPackageUpdatedBroadcastsInternal() { 17611 Bundle extras = new Bundle(2); 17612 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17613 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17614 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 17615 extras, 0, null, null, null); 17616 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 17617 extras, 0, null, null, null); 17618 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 17619 null, 0, removedPackage, null, null); 17620 } 17621 17622 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17623 // Don't send static shared library removal broadcasts as these 17624 // libs are visible only the the apps that depend on them an one 17625 // cannot remove the library if it has a dependency. 17626 if (isStaticSharedLib) { 17627 return; 17628 } 17629 Bundle extras = new Bundle(2); 17630 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17631 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17632 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17633 if (isUpdate || isRemovedPackageSystemUpdate) { 17634 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17635 } 17636 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17637 if (removedPackage != null) { 17638 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 17639 extras, 0, null, null, removedUsers); 17640 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17641 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17642 removedPackage, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17643 null, null, removedUsers); 17644 } 17645 } 17646 if (removedAppId >= 0) { 17647 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 17648 removedUsers); 17649 } 17650 } 17651 } 17652 17653 /* 17654 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17655 * flag is not set, the data directory is removed as well. 17656 * make sure this flag is set for partially installed apps. If not its meaningless to 17657 * delete a partially installed application. 17658 */ 17659 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17660 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17661 String packageName = ps.name; 17662 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17663 // Retrieve object to delete permissions for shared user later on 17664 final PackageParser.Package deletedPkg; 17665 final PackageSetting deletedPs; 17666 // reader 17667 synchronized (mPackages) { 17668 deletedPkg = mPackages.get(packageName); 17669 deletedPs = mSettings.mPackages.get(packageName); 17670 if (outInfo != null) { 17671 outInfo.removedPackage = packageName; 17672 outInfo.isStaticSharedLib = deletedPkg != null 17673 && deletedPkg.staticSharedLibName != null; 17674 outInfo.removedUsers = deletedPs != null 17675 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 17676 : null; 17677 } 17678 } 17679 17680 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17681 17682 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17683 final PackageParser.Package resolvedPkg; 17684 if (deletedPkg != null) { 17685 resolvedPkg = deletedPkg; 17686 } else { 17687 // We don't have a parsed package when it lives on an ejected 17688 // adopted storage device, so fake something together 17689 resolvedPkg = new PackageParser.Package(ps.name); 17690 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17691 } 17692 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17693 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17694 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17695 if (outInfo != null) { 17696 outInfo.dataRemoved = true; 17697 } 17698 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17699 } 17700 17701 int removedAppId = -1; 17702 17703 // writer 17704 synchronized (mPackages) { 17705 boolean installedStateChanged = false; 17706 if (deletedPs != null) { 17707 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17708 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17709 clearDefaultBrowserIfNeeded(packageName); 17710 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17711 removedAppId = mSettings.removePackageLPw(packageName); 17712 if (outInfo != null) { 17713 outInfo.removedAppId = removedAppId; 17714 } 17715 updatePermissionsLPw(deletedPs.name, null, 0); 17716 if (deletedPs.sharedUser != null) { 17717 // Remove permissions associated with package. Since runtime 17718 // permissions are per user we have to kill the removed package 17719 // or packages running under the shared user of the removed 17720 // package if revoking the permissions requested only by the removed 17721 // package is successful and this causes a change in gids. 17722 for (int userId : UserManagerService.getInstance().getUserIds()) { 17723 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17724 userId); 17725 if (userIdToKill == UserHandle.USER_ALL 17726 || userIdToKill >= UserHandle.USER_SYSTEM) { 17727 // If gids changed for this user, kill all affected packages. 17728 mHandler.post(new Runnable() { 17729 @Override 17730 public void run() { 17731 // This has to happen with no lock held. 17732 killApplication(deletedPs.name, deletedPs.appId, 17733 KILL_APP_REASON_GIDS_CHANGED); 17734 } 17735 }); 17736 break; 17737 } 17738 } 17739 } 17740 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17741 } 17742 // make sure to preserve per-user disabled state if this removal was just 17743 // a downgrade of a system app to the factory package 17744 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17745 if (DEBUG_REMOVE) { 17746 Slog.d(TAG, "Propagating install state across downgrade"); 17747 } 17748 for (int userId : allUserHandles) { 17749 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17750 if (DEBUG_REMOVE) { 17751 Slog.d(TAG, " user " + userId + " => " + installed); 17752 } 17753 if (installed != ps.getInstalled(userId)) { 17754 installedStateChanged = true; 17755 } 17756 ps.setInstalled(installed, userId); 17757 } 17758 } 17759 } 17760 // can downgrade to reader 17761 if (writeSettings) { 17762 // Save settings now 17763 mSettings.writeLPr(); 17764 } 17765 if (installedStateChanged) { 17766 mSettings.writeKernelMappingLPr(ps); 17767 } 17768 } 17769 if (removedAppId != -1) { 17770 // A user ID was deleted here. Go through all users and remove it 17771 // from KeyStore. 17772 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17773 } 17774 } 17775 17776 static boolean locationIsPrivileged(File path) { 17777 try { 17778 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17779 .getCanonicalPath(); 17780 return path.getCanonicalPath().startsWith(privilegedAppDir); 17781 } catch (IOException e) { 17782 Slog.e(TAG, "Unable to access code path " + path); 17783 } 17784 return false; 17785 } 17786 17787 /* 17788 * Tries to delete system package. 17789 */ 17790 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17791 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17792 boolean writeSettings) { 17793 if (deletedPs.parentPackageName != null) { 17794 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17795 return false; 17796 } 17797 17798 final boolean applyUserRestrictions 17799 = (allUserHandles != null) && (outInfo.origUsers != null); 17800 final PackageSetting disabledPs; 17801 // Confirm if the system package has been updated 17802 // An updated system app can be deleted. This will also have to restore 17803 // the system pkg from system partition 17804 // reader 17805 synchronized (mPackages) { 17806 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17807 } 17808 17809 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17810 + " disabledPs=" + disabledPs); 17811 17812 if (disabledPs == null) { 17813 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17814 return false; 17815 } else if (DEBUG_REMOVE) { 17816 Slog.d(TAG, "Deleting system pkg from data partition"); 17817 } 17818 17819 if (DEBUG_REMOVE) { 17820 if (applyUserRestrictions) { 17821 Slog.d(TAG, "Remembering install states:"); 17822 for (int userId : allUserHandles) { 17823 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17824 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17825 } 17826 } 17827 } 17828 17829 // Delete the updated package 17830 outInfo.isRemovedPackageSystemUpdate = true; 17831 if (outInfo.removedChildPackages != null) { 17832 final int childCount = (deletedPs.childPackageNames != null) 17833 ? deletedPs.childPackageNames.size() : 0; 17834 for (int i = 0; i < childCount; i++) { 17835 String childPackageName = deletedPs.childPackageNames.get(i); 17836 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17837 .contains(childPackageName)) { 17838 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17839 childPackageName); 17840 if (childInfo != null) { 17841 childInfo.isRemovedPackageSystemUpdate = true; 17842 } 17843 } 17844 } 17845 } 17846 17847 if (disabledPs.versionCode < deletedPs.versionCode) { 17848 // Delete data for downgrades 17849 flags &= ~PackageManager.DELETE_KEEP_DATA; 17850 } else { 17851 // Preserve data by setting flag 17852 flags |= PackageManager.DELETE_KEEP_DATA; 17853 } 17854 17855 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17856 outInfo, writeSettings, disabledPs.pkg); 17857 if (!ret) { 17858 return false; 17859 } 17860 17861 // writer 17862 synchronized (mPackages) { 17863 // Reinstate the old system package 17864 enableSystemPackageLPw(disabledPs.pkg); 17865 // Remove any native libraries from the upgraded package. 17866 removeNativeBinariesLI(deletedPs); 17867 } 17868 17869 // Install the system package 17870 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17871 int parseFlags = mDefParseFlags 17872 | PackageParser.PARSE_MUST_BE_APK 17873 | PackageParser.PARSE_IS_SYSTEM 17874 | PackageParser.PARSE_IS_SYSTEM_DIR; 17875 if (locationIsPrivileged(disabledPs.codePath)) { 17876 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17877 } 17878 17879 final PackageParser.Package newPkg; 17880 try { 17881 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 17882 0 /* currentTime */, null); 17883 } catch (PackageManagerException e) { 17884 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17885 + e.getMessage()); 17886 return false; 17887 } 17888 17889 try { 17890 // update shared libraries for the newly re-installed system package 17891 updateSharedLibrariesLPr(newPkg, null); 17892 } catch (PackageManagerException e) { 17893 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17894 } 17895 17896 prepareAppDataAfterInstallLIF(newPkg); 17897 17898 // writer 17899 synchronized (mPackages) { 17900 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 17901 17902 // Propagate the permissions state as we do not want to drop on the floor 17903 // runtime permissions. The update permissions method below will take 17904 // care of removing obsolete permissions and grant install permissions. 17905 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 17906 updatePermissionsLPw(newPkg.packageName, newPkg, 17907 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 17908 17909 if (applyUserRestrictions) { 17910 boolean installedStateChanged = false; 17911 if (DEBUG_REMOVE) { 17912 Slog.d(TAG, "Propagating install state across reinstall"); 17913 } 17914 for (int userId : allUserHandles) { 17915 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17916 if (DEBUG_REMOVE) { 17917 Slog.d(TAG, " user " + userId + " => " + installed); 17918 } 17919 if (installed != ps.getInstalled(userId)) { 17920 installedStateChanged = true; 17921 } 17922 ps.setInstalled(installed, userId); 17923 17924 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17925 } 17926 // Regardless of writeSettings we need to ensure that this restriction 17927 // state propagation is persisted 17928 mSettings.writeAllUsersPackageRestrictionsLPr(); 17929 if (installedStateChanged) { 17930 mSettings.writeKernelMappingLPr(ps); 17931 } 17932 } 17933 // can downgrade to reader here 17934 if (writeSettings) { 17935 mSettings.writeLPr(); 17936 } 17937 } 17938 return true; 17939 } 17940 17941 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17942 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17943 PackageRemovedInfo outInfo, boolean writeSettings, 17944 PackageParser.Package replacingPackage) { 17945 synchronized (mPackages) { 17946 if (outInfo != null) { 17947 outInfo.uid = ps.appId; 17948 } 17949 17950 if (outInfo != null && outInfo.removedChildPackages != null) { 17951 final int childCount = (ps.childPackageNames != null) 17952 ? ps.childPackageNames.size() : 0; 17953 for (int i = 0; i < childCount; i++) { 17954 String childPackageName = ps.childPackageNames.get(i); 17955 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17956 if (childPs == null) { 17957 return false; 17958 } 17959 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17960 childPackageName); 17961 if (childInfo != null) { 17962 childInfo.uid = childPs.appId; 17963 } 17964 } 17965 } 17966 } 17967 17968 // Delete package data from internal structures and also remove data if flag is set 17969 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17970 17971 // Delete the child packages data 17972 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17973 for (int i = 0; i < childCount; i++) { 17974 PackageSetting childPs; 17975 synchronized (mPackages) { 17976 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17977 } 17978 if (childPs != null) { 17979 PackageRemovedInfo childOutInfo = (outInfo != null 17980 && outInfo.removedChildPackages != null) 17981 ? outInfo.removedChildPackages.get(childPs.name) : null; 17982 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17983 && (replacingPackage != null 17984 && !replacingPackage.hasChildPackage(childPs.name)) 17985 ? flags & ~DELETE_KEEP_DATA : flags; 17986 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17987 deleteFlags, writeSettings); 17988 } 17989 } 17990 17991 // Delete application code and resources only for parent packages 17992 if (ps.parentPackageName == null) { 17993 if (deleteCodeAndResources && (outInfo != null)) { 17994 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17995 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17996 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17997 } 17998 } 17999 18000 return true; 18001 } 18002 18003 @Override 18004 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18005 int userId) { 18006 mContext.enforceCallingOrSelfPermission( 18007 android.Manifest.permission.DELETE_PACKAGES, null); 18008 synchronized (mPackages) { 18009 PackageSetting ps = mSettings.mPackages.get(packageName); 18010 if (ps == null) { 18011 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 18012 return false; 18013 } 18014 // Cannot block uninstall of static shared libs as they are 18015 // considered a part of the using app (emulating static linking). 18016 // Also static libs are installed always on internal storage. 18017 PackageParser.Package pkg = mPackages.get(packageName); 18018 if (pkg != null && pkg.staticSharedLibName != null) { 18019 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18020 + " providing static shared library: " + pkg.staticSharedLibName); 18021 return false; 18022 } 18023 if (!ps.getInstalled(userId)) { 18024 // Can't block uninstall for an app that is not installed or enabled. 18025 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 18026 return false; 18027 } 18028 ps.setBlockUninstall(blockUninstall, userId); 18029 mSettings.writePackageRestrictionsLPr(userId); 18030 } 18031 return true; 18032 } 18033 18034 @Override 18035 public boolean getBlockUninstallForUser(String packageName, int userId) { 18036 synchronized (mPackages) { 18037 PackageSetting ps = mSettings.mPackages.get(packageName); 18038 if (ps == null) { 18039 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 18040 return false; 18041 } 18042 return ps.getBlockUninstall(userId); 18043 } 18044 } 18045 18046 @Override 18047 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18048 int callingUid = Binder.getCallingUid(); 18049 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 18050 throw new SecurityException( 18051 "setRequiredForSystemUser can only be run by the system or root"); 18052 } 18053 synchronized (mPackages) { 18054 PackageSetting ps = mSettings.mPackages.get(packageName); 18055 if (ps == null) { 18056 Log.w(TAG, "Package doesn't exist: " + packageName); 18057 return false; 18058 } 18059 if (systemUserApp) { 18060 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18061 } else { 18062 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18063 } 18064 mSettings.writeLPr(); 18065 } 18066 return true; 18067 } 18068 18069 /* 18070 * This method handles package deletion in general 18071 */ 18072 private boolean deletePackageLIF(String packageName, UserHandle user, 18073 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18074 PackageRemovedInfo outInfo, boolean writeSettings, 18075 PackageParser.Package replacingPackage) { 18076 if (packageName == null) { 18077 Slog.w(TAG, "Attempt to delete null packageName."); 18078 return false; 18079 } 18080 18081 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18082 18083 PackageSetting ps; 18084 synchronized (mPackages) { 18085 ps = mSettings.mPackages.get(packageName); 18086 if (ps == null) { 18087 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18088 return false; 18089 } 18090 18091 if (ps.parentPackageName != null && (!isSystemApp(ps) 18092 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18093 if (DEBUG_REMOVE) { 18094 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18095 + ((user == null) ? UserHandle.USER_ALL : user)); 18096 } 18097 final int removedUserId = (user != null) ? user.getIdentifier() 18098 : UserHandle.USER_ALL; 18099 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18100 return false; 18101 } 18102 markPackageUninstalledForUserLPw(ps, user); 18103 scheduleWritePackageRestrictionsLocked(user); 18104 return true; 18105 } 18106 } 18107 18108 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18109 && user.getIdentifier() != UserHandle.USER_ALL)) { 18110 // The caller is asking that the package only be deleted for a single 18111 // user. To do this, we just mark its uninstalled state and delete 18112 // its data. If this is a system app, we only allow this to happen if 18113 // they have set the special DELETE_SYSTEM_APP which requests different 18114 // semantics than normal for uninstalling system apps. 18115 markPackageUninstalledForUserLPw(ps, user); 18116 18117 if (!isSystemApp(ps)) { 18118 // Do not uninstall the APK if an app should be cached 18119 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18120 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18121 // Other user still have this package installed, so all 18122 // we need to do is clear this user's data and save that 18123 // it is uninstalled. 18124 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18125 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18126 return false; 18127 } 18128 scheduleWritePackageRestrictionsLocked(user); 18129 return true; 18130 } else { 18131 // We need to set it back to 'installed' so the uninstall 18132 // broadcasts will be sent correctly. 18133 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18134 ps.setInstalled(true, user.getIdentifier()); 18135 mSettings.writeKernelMappingLPr(ps); 18136 } 18137 } else { 18138 // This is a system app, so we assume that the 18139 // other users still have this package installed, so all 18140 // we need to do is clear this user's data and save that 18141 // it is uninstalled. 18142 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18143 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18144 return false; 18145 } 18146 scheduleWritePackageRestrictionsLocked(user); 18147 return true; 18148 } 18149 } 18150 18151 // If we are deleting a composite package for all users, keep track 18152 // of result for each child. 18153 if (ps.childPackageNames != null && outInfo != null) { 18154 synchronized (mPackages) { 18155 final int childCount = ps.childPackageNames.size(); 18156 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18157 for (int i = 0; i < childCount; i++) { 18158 String childPackageName = ps.childPackageNames.get(i); 18159 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 18160 childInfo.removedPackage = childPackageName; 18161 outInfo.removedChildPackages.put(childPackageName, childInfo); 18162 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18163 if (childPs != null) { 18164 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18165 } 18166 } 18167 } 18168 } 18169 18170 boolean ret = false; 18171 if (isSystemApp(ps)) { 18172 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18173 // When an updated system application is deleted we delete the existing resources 18174 // as well and fall back to existing code in system partition 18175 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18176 } else { 18177 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18178 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18179 outInfo, writeSettings, replacingPackage); 18180 } 18181 18182 // Take a note whether we deleted the package for all users 18183 if (outInfo != null) { 18184 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18185 if (outInfo.removedChildPackages != null) { 18186 synchronized (mPackages) { 18187 final int childCount = outInfo.removedChildPackages.size(); 18188 for (int i = 0; i < childCount; i++) { 18189 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18190 if (childInfo != null) { 18191 childInfo.removedForAllUsers = mPackages.get( 18192 childInfo.removedPackage) == null; 18193 } 18194 } 18195 } 18196 } 18197 // If we uninstalled an update to a system app there may be some 18198 // child packages that appeared as they are declared in the system 18199 // app but were not declared in the update. 18200 if (isSystemApp(ps)) { 18201 synchronized (mPackages) { 18202 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18203 final int childCount = (updatedPs.childPackageNames != null) 18204 ? updatedPs.childPackageNames.size() : 0; 18205 for (int i = 0; i < childCount; i++) { 18206 String childPackageName = updatedPs.childPackageNames.get(i); 18207 if (outInfo.removedChildPackages == null 18208 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18209 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18210 if (childPs == null) { 18211 continue; 18212 } 18213 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18214 installRes.name = childPackageName; 18215 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18216 installRes.pkg = mPackages.get(childPackageName); 18217 installRes.uid = childPs.pkg.applicationInfo.uid; 18218 if (outInfo.appearedChildPackages == null) { 18219 outInfo.appearedChildPackages = new ArrayMap<>(); 18220 } 18221 outInfo.appearedChildPackages.put(childPackageName, installRes); 18222 } 18223 } 18224 } 18225 } 18226 } 18227 18228 return ret; 18229 } 18230 18231 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18232 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18233 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18234 for (int nextUserId : userIds) { 18235 if (DEBUG_REMOVE) { 18236 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18237 } 18238 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18239 false /*installed*/, 18240 true /*stopped*/, 18241 true /*notLaunched*/, 18242 false /*hidden*/, 18243 false /*suspended*/, 18244 false /*instantApp*/, 18245 null /*lastDisableAppCaller*/, 18246 null /*enabledComponents*/, 18247 null /*disabledComponents*/, 18248 false /*blockUninstall*/, 18249 ps.readUserState(nextUserId).domainVerificationStatus, 18250 0, PackageManager.INSTALL_REASON_UNKNOWN); 18251 } 18252 mSettings.writeKernelMappingLPr(ps); 18253 } 18254 18255 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18256 PackageRemovedInfo outInfo) { 18257 final PackageParser.Package pkg; 18258 synchronized (mPackages) { 18259 pkg = mPackages.get(ps.name); 18260 } 18261 18262 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18263 : new int[] {userId}; 18264 for (int nextUserId : userIds) { 18265 if (DEBUG_REMOVE) { 18266 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18267 + nextUserId); 18268 } 18269 18270 destroyAppDataLIF(pkg, userId, 18271 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18272 destroyAppProfilesLIF(pkg, userId); 18273 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18274 schedulePackageCleaning(ps.name, nextUserId, false); 18275 synchronized (mPackages) { 18276 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18277 scheduleWritePackageRestrictionsLocked(nextUserId); 18278 } 18279 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18280 } 18281 } 18282 18283 if (outInfo != null) { 18284 outInfo.removedPackage = ps.name; 18285 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18286 outInfo.removedAppId = ps.appId; 18287 outInfo.removedUsers = userIds; 18288 } 18289 18290 return true; 18291 } 18292 18293 private final class ClearStorageConnection implements ServiceConnection { 18294 IMediaContainerService mContainerService; 18295 18296 @Override 18297 public void onServiceConnected(ComponentName name, IBinder service) { 18298 synchronized (this) { 18299 mContainerService = IMediaContainerService.Stub 18300 .asInterface(Binder.allowBlocking(service)); 18301 notifyAll(); 18302 } 18303 } 18304 18305 @Override 18306 public void onServiceDisconnected(ComponentName name) { 18307 } 18308 } 18309 18310 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18311 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18312 18313 final boolean mounted; 18314 if (Environment.isExternalStorageEmulated()) { 18315 mounted = true; 18316 } else { 18317 final String status = Environment.getExternalStorageState(); 18318 18319 mounted = status.equals(Environment.MEDIA_MOUNTED) 18320 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18321 } 18322 18323 if (!mounted) { 18324 return; 18325 } 18326 18327 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18328 int[] users; 18329 if (userId == UserHandle.USER_ALL) { 18330 users = sUserManager.getUserIds(); 18331 } else { 18332 users = new int[] { userId }; 18333 } 18334 final ClearStorageConnection conn = new ClearStorageConnection(); 18335 if (mContext.bindServiceAsUser( 18336 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18337 try { 18338 for (int curUser : users) { 18339 long timeout = SystemClock.uptimeMillis() + 5000; 18340 synchronized (conn) { 18341 long now; 18342 while (conn.mContainerService == null && 18343 (now = SystemClock.uptimeMillis()) < timeout) { 18344 try { 18345 conn.wait(timeout - now); 18346 } catch (InterruptedException e) { 18347 } 18348 } 18349 } 18350 if (conn.mContainerService == null) { 18351 return; 18352 } 18353 18354 final UserEnvironment userEnv = new UserEnvironment(curUser); 18355 clearDirectory(conn.mContainerService, 18356 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18357 if (allData) { 18358 clearDirectory(conn.mContainerService, 18359 userEnv.buildExternalStorageAppDataDirs(packageName)); 18360 clearDirectory(conn.mContainerService, 18361 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18362 } 18363 } 18364 } finally { 18365 mContext.unbindService(conn); 18366 } 18367 } 18368 } 18369 18370 @Override 18371 public void clearApplicationProfileData(String packageName) { 18372 enforceSystemOrRoot("Only the system can clear all profile data"); 18373 18374 final PackageParser.Package pkg; 18375 synchronized (mPackages) { 18376 pkg = mPackages.get(packageName); 18377 } 18378 18379 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18380 synchronized (mInstallLock) { 18381 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18382 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 18383 true /* removeBaseMarker */); 18384 } 18385 } 18386 } 18387 18388 @Override 18389 public void clearApplicationUserData(final String packageName, 18390 final IPackageDataObserver observer, final int userId) { 18391 mContext.enforceCallingOrSelfPermission( 18392 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18393 18394 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18395 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18396 18397 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18398 throw new SecurityException("Cannot clear data for a protected package: " 18399 + packageName); 18400 } 18401 // Queue up an async operation since the package deletion may take a little while. 18402 mHandler.post(new Runnable() { 18403 public void run() { 18404 mHandler.removeCallbacks(this); 18405 final boolean succeeded; 18406 try (PackageFreezer freezer = freezePackage(packageName, 18407 "clearApplicationUserData")) { 18408 synchronized (mInstallLock) { 18409 succeeded = clearApplicationUserDataLIF(packageName, userId); 18410 } 18411 clearExternalStorageDataSync(packageName, userId, true); 18412 synchronized (mPackages) { 18413 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18414 packageName, userId); 18415 } 18416 } 18417 if (succeeded) { 18418 // invoke DeviceStorageMonitor's update method to clear any notifications 18419 DeviceStorageMonitorInternal dsm = LocalServices 18420 .getService(DeviceStorageMonitorInternal.class); 18421 if (dsm != null) { 18422 dsm.checkMemory(); 18423 } 18424 } 18425 if(observer != null) { 18426 try { 18427 observer.onRemoveCompleted(packageName, succeeded); 18428 } catch (RemoteException e) { 18429 Log.i(TAG, "Observer no longer exists."); 18430 } 18431 } //end if observer 18432 } //end run 18433 }); 18434 } 18435 18436 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18437 if (packageName == null) { 18438 Slog.w(TAG, "Attempt to delete null packageName."); 18439 return false; 18440 } 18441 18442 // Try finding details about the requested package 18443 PackageParser.Package pkg; 18444 synchronized (mPackages) { 18445 pkg = mPackages.get(packageName); 18446 if (pkg == null) { 18447 final PackageSetting ps = mSettings.mPackages.get(packageName); 18448 if (ps != null) { 18449 pkg = ps.pkg; 18450 } 18451 } 18452 18453 if (pkg == null) { 18454 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18455 return false; 18456 } 18457 18458 PackageSetting ps = (PackageSetting) pkg.mExtras; 18459 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18460 } 18461 18462 clearAppDataLIF(pkg, userId, 18463 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18464 18465 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18466 removeKeystoreDataIfNeeded(userId, appId); 18467 18468 UserManagerInternal umInternal = getUserManagerInternal(); 18469 final int flags; 18470 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18471 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18472 } else if (umInternal.isUserRunning(userId)) { 18473 flags = StorageManager.FLAG_STORAGE_DE; 18474 } else { 18475 flags = 0; 18476 } 18477 prepareAppDataContentsLIF(pkg, userId, flags); 18478 18479 return true; 18480 } 18481 18482 /** 18483 * Reverts user permission state changes (permissions and flags) in 18484 * all packages for a given user. 18485 * 18486 * @param userId The device user for which to do a reset. 18487 */ 18488 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18489 final int packageCount = mPackages.size(); 18490 for (int i = 0; i < packageCount; i++) { 18491 PackageParser.Package pkg = mPackages.valueAt(i); 18492 PackageSetting ps = (PackageSetting) pkg.mExtras; 18493 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18494 } 18495 } 18496 18497 private void resetNetworkPolicies(int userId) { 18498 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18499 } 18500 18501 /** 18502 * Reverts user permission state changes (permissions and flags). 18503 * 18504 * @param ps The package for which to reset. 18505 * @param userId The device user for which to do a reset. 18506 */ 18507 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18508 final PackageSetting ps, final int userId) { 18509 if (ps.pkg == null) { 18510 return; 18511 } 18512 18513 // These are flags that can change base on user actions. 18514 final int userSettableMask = FLAG_PERMISSION_USER_SET 18515 | FLAG_PERMISSION_USER_FIXED 18516 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18517 | FLAG_PERMISSION_REVIEW_REQUIRED; 18518 18519 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18520 | FLAG_PERMISSION_POLICY_FIXED; 18521 18522 boolean writeInstallPermissions = false; 18523 boolean writeRuntimePermissions = false; 18524 18525 final int permissionCount = ps.pkg.requestedPermissions.size(); 18526 for (int i = 0; i < permissionCount; i++) { 18527 String permission = ps.pkg.requestedPermissions.get(i); 18528 18529 BasePermission bp = mSettings.mPermissions.get(permission); 18530 if (bp == null) { 18531 continue; 18532 } 18533 18534 // If shared user we just reset the state to which only this app contributed. 18535 if (ps.sharedUser != null) { 18536 boolean used = false; 18537 final int packageCount = ps.sharedUser.packages.size(); 18538 for (int j = 0; j < packageCount; j++) { 18539 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18540 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18541 && pkg.pkg.requestedPermissions.contains(permission)) { 18542 used = true; 18543 break; 18544 } 18545 } 18546 if (used) { 18547 continue; 18548 } 18549 } 18550 18551 PermissionsState permissionsState = ps.getPermissionsState(); 18552 18553 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18554 18555 // Always clear the user settable flags. 18556 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18557 bp.name) != null; 18558 // If permission review is enabled and this is a legacy app, mark the 18559 // permission as requiring a review as this is the initial state. 18560 int flags = 0; 18561 if (mPermissionReviewRequired 18562 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18563 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18564 } 18565 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18566 if (hasInstallState) { 18567 writeInstallPermissions = true; 18568 } else { 18569 writeRuntimePermissions = true; 18570 } 18571 } 18572 18573 // Below is only runtime permission handling. 18574 if (!bp.isRuntime()) { 18575 continue; 18576 } 18577 18578 // Never clobber system or policy. 18579 if ((oldFlags & policyOrSystemFlags) != 0) { 18580 continue; 18581 } 18582 18583 // If this permission was granted by default, make sure it is. 18584 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18585 if (permissionsState.grantRuntimePermission(bp, userId) 18586 != PERMISSION_OPERATION_FAILURE) { 18587 writeRuntimePermissions = true; 18588 } 18589 // If permission review is enabled the permissions for a legacy apps 18590 // are represented as constantly granted runtime ones, so don't revoke. 18591 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18592 // Otherwise, reset the permission. 18593 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18594 switch (revokeResult) { 18595 case PERMISSION_OPERATION_SUCCESS: 18596 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18597 writeRuntimePermissions = true; 18598 final int appId = ps.appId; 18599 mHandler.post(new Runnable() { 18600 @Override 18601 public void run() { 18602 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18603 } 18604 }); 18605 } break; 18606 } 18607 } 18608 } 18609 18610 // Synchronously write as we are taking permissions away. 18611 if (writeRuntimePermissions) { 18612 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18613 } 18614 18615 // Synchronously write as we are taking permissions away. 18616 if (writeInstallPermissions) { 18617 mSettings.writeLPr(); 18618 } 18619 } 18620 18621 /** 18622 * Remove entries from the keystore daemon. Will only remove it if the 18623 * {@code appId} is valid. 18624 */ 18625 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18626 if (appId < 0) { 18627 return; 18628 } 18629 18630 final KeyStore keyStore = KeyStore.getInstance(); 18631 if (keyStore != null) { 18632 if (userId == UserHandle.USER_ALL) { 18633 for (final int individual : sUserManager.getUserIds()) { 18634 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18635 } 18636 } else { 18637 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18638 } 18639 } else { 18640 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18641 } 18642 } 18643 18644 @Override 18645 public void deleteApplicationCacheFiles(final String packageName, 18646 final IPackageDataObserver observer) { 18647 final int userId = UserHandle.getCallingUserId(); 18648 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18649 } 18650 18651 @Override 18652 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18653 final IPackageDataObserver observer) { 18654 mContext.enforceCallingOrSelfPermission( 18655 android.Manifest.permission.DELETE_CACHE_FILES, null); 18656 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18657 /* requireFullPermission= */ true, /* checkShell= */ false, 18658 "delete application cache files"); 18659 18660 final PackageParser.Package pkg; 18661 synchronized (mPackages) { 18662 pkg = mPackages.get(packageName); 18663 } 18664 18665 // Queue up an async operation since the package deletion may take a little while. 18666 mHandler.post(new Runnable() { 18667 public void run() { 18668 synchronized (mInstallLock) { 18669 final int flags = StorageManager.FLAG_STORAGE_DE 18670 | StorageManager.FLAG_STORAGE_CE; 18671 // We're only clearing cache files, so we don't care if the 18672 // app is unfrozen and still able to run 18673 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18674 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18675 } 18676 clearExternalStorageDataSync(packageName, userId, false); 18677 if (observer != null) { 18678 try { 18679 observer.onRemoveCompleted(packageName, true); 18680 } catch (RemoteException e) { 18681 Log.i(TAG, "Observer no longer exists."); 18682 } 18683 } 18684 } 18685 }); 18686 } 18687 18688 @Override 18689 public void getPackageSizeInfo(final String packageName, int userHandle, 18690 final IPackageStatsObserver observer) { 18691 mContext.enforceCallingOrSelfPermission( 18692 android.Manifest.permission.GET_PACKAGE_SIZE, null); 18693 if (packageName == null) { 18694 throw new IllegalArgumentException("Attempt to get size of null packageName"); 18695 } 18696 18697 PackageStats stats = new PackageStats(packageName, userHandle); 18698 18699 /* 18700 * Queue up an async operation since the package measurement may take a 18701 * little while. 18702 */ 18703 Message msg = mHandler.obtainMessage(INIT_COPY); 18704 msg.obj = new MeasureParams(stats, observer); 18705 mHandler.sendMessage(msg); 18706 } 18707 18708 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18709 final PackageSetting ps; 18710 synchronized (mPackages) { 18711 ps = mSettings.mPackages.get(packageName); 18712 if (ps == null) { 18713 Slog.w(TAG, "Failed to find settings for " + packageName); 18714 return false; 18715 } 18716 } 18717 18718 final String[] packageNames = { packageName }; 18719 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18720 final String[] codePaths = { ps.codePathString }; 18721 18722 try { 18723 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18724 ps.appId, ceDataInodes, codePaths, stats); 18725 18726 // For now, ignore code size of packages on system partition 18727 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18728 stats.codeSize = 0; 18729 } 18730 18731 // External clients expect these to be tracked separately 18732 stats.dataSize -= stats.cacheSize; 18733 18734 } catch (InstallerException e) { 18735 Slog.w(TAG, String.valueOf(e)); 18736 return false; 18737 } 18738 18739 return true; 18740 } 18741 18742 private int getUidTargetSdkVersionLockedLPr(int uid) { 18743 Object obj = mSettings.getUserIdLPr(uid); 18744 if (obj instanceof SharedUserSetting) { 18745 final SharedUserSetting sus = (SharedUserSetting) obj; 18746 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18747 final Iterator<PackageSetting> it = sus.packages.iterator(); 18748 while (it.hasNext()) { 18749 final PackageSetting ps = it.next(); 18750 if (ps.pkg != null) { 18751 int v = ps.pkg.applicationInfo.targetSdkVersion; 18752 if (v < vers) vers = v; 18753 } 18754 } 18755 return vers; 18756 } else if (obj instanceof PackageSetting) { 18757 final PackageSetting ps = (PackageSetting) obj; 18758 if (ps.pkg != null) { 18759 return ps.pkg.applicationInfo.targetSdkVersion; 18760 } 18761 } 18762 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18763 } 18764 18765 @Override 18766 public void addPreferredActivity(IntentFilter filter, int match, 18767 ComponentName[] set, ComponentName activity, int userId) { 18768 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18769 "Adding preferred"); 18770 } 18771 18772 private void addPreferredActivityInternal(IntentFilter filter, int match, 18773 ComponentName[] set, ComponentName activity, boolean always, int userId, 18774 String opname) { 18775 // writer 18776 int callingUid = Binder.getCallingUid(); 18777 enforceCrossUserPermission(callingUid, userId, 18778 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18779 if (filter.countActions() == 0) { 18780 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18781 return; 18782 } 18783 synchronized (mPackages) { 18784 if (mContext.checkCallingOrSelfPermission( 18785 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18786 != PackageManager.PERMISSION_GRANTED) { 18787 if (getUidTargetSdkVersionLockedLPr(callingUid) 18788 < Build.VERSION_CODES.FROYO) { 18789 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18790 + callingUid); 18791 return; 18792 } 18793 mContext.enforceCallingOrSelfPermission( 18794 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18795 } 18796 18797 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18798 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18799 + userId + ":"); 18800 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18801 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18802 scheduleWritePackageRestrictionsLocked(userId); 18803 postPreferredActivityChangedBroadcast(userId); 18804 } 18805 } 18806 18807 private void postPreferredActivityChangedBroadcast(int userId) { 18808 mHandler.post(() -> { 18809 final IActivityManager am = ActivityManager.getService(); 18810 if (am == null) { 18811 return; 18812 } 18813 18814 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18815 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18816 try { 18817 am.broadcastIntent(null, intent, null, null, 18818 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18819 null, false, false, userId); 18820 } catch (RemoteException e) { 18821 } 18822 }); 18823 } 18824 18825 @Override 18826 public void replacePreferredActivity(IntentFilter filter, int match, 18827 ComponentName[] set, ComponentName activity, int userId) { 18828 if (filter.countActions() != 1) { 18829 throw new IllegalArgumentException( 18830 "replacePreferredActivity expects filter to have only 1 action."); 18831 } 18832 if (filter.countDataAuthorities() != 0 18833 || filter.countDataPaths() != 0 18834 || filter.countDataSchemes() > 1 18835 || filter.countDataTypes() != 0) { 18836 throw new IllegalArgumentException( 18837 "replacePreferredActivity expects filter to have no data authorities, " + 18838 "paths, or types; and at most one scheme."); 18839 } 18840 18841 final int callingUid = Binder.getCallingUid(); 18842 enforceCrossUserPermission(callingUid, userId, 18843 true /* requireFullPermission */, false /* checkShell */, 18844 "replace preferred activity"); 18845 synchronized (mPackages) { 18846 if (mContext.checkCallingOrSelfPermission( 18847 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18848 != PackageManager.PERMISSION_GRANTED) { 18849 if (getUidTargetSdkVersionLockedLPr(callingUid) 18850 < Build.VERSION_CODES.FROYO) { 18851 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18852 + Binder.getCallingUid()); 18853 return; 18854 } 18855 mContext.enforceCallingOrSelfPermission( 18856 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18857 } 18858 18859 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18860 if (pir != null) { 18861 // Get all of the existing entries that exactly match this filter. 18862 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18863 if (existing != null && existing.size() == 1) { 18864 PreferredActivity cur = existing.get(0); 18865 if (DEBUG_PREFERRED) { 18866 Slog.i(TAG, "Checking replace of preferred:"); 18867 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18868 if (!cur.mPref.mAlways) { 18869 Slog.i(TAG, " -- CUR; not mAlways!"); 18870 } else { 18871 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18872 Slog.i(TAG, " -- CUR: mSet=" 18873 + Arrays.toString(cur.mPref.mSetComponents)); 18874 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18875 Slog.i(TAG, " -- NEW: mMatch=" 18876 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18877 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18878 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18879 } 18880 } 18881 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18882 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18883 && cur.mPref.sameSet(set)) { 18884 // Setting the preferred activity to what it happens to be already 18885 if (DEBUG_PREFERRED) { 18886 Slog.i(TAG, "Replacing with same preferred activity " 18887 + cur.mPref.mShortComponent + " for user " 18888 + userId + ":"); 18889 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18890 } 18891 return; 18892 } 18893 } 18894 18895 if (existing != null) { 18896 if (DEBUG_PREFERRED) { 18897 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18898 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18899 } 18900 for (int i = 0; i < existing.size(); i++) { 18901 PreferredActivity pa = existing.get(i); 18902 if (DEBUG_PREFERRED) { 18903 Slog.i(TAG, "Removing existing preferred activity " 18904 + pa.mPref.mComponent + ":"); 18905 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18906 } 18907 pir.removeFilter(pa); 18908 } 18909 } 18910 } 18911 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18912 "Replacing preferred"); 18913 } 18914 } 18915 18916 @Override 18917 public void clearPackagePreferredActivities(String packageName) { 18918 final int uid = Binder.getCallingUid(); 18919 // writer 18920 synchronized (mPackages) { 18921 PackageParser.Package pkg = mPackages.get(packageName); 18922 if (pkg == null || pkg.applicationInfo.uid != uid) { 18923 if (mContext.checkCallingOrSelfPermission( 18924 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18925 != PackageManager.PERMISSION_GRANTED) { 18926 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 18927 < Build.VERSION_CODES.FROYO) { 18928 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18929 + Binder.getCallingUid()); 18930 return; 18931 } 18932 mContext.enforceCallingOrSelfPermission( 18933 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18934 } 18935 } 18936 18937 int user = UserHandle.getCallingUserId(); 18938 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18939 scheduleWritePackageRestrictionsLocked(user); 18940 } 18941 } 18942 } 18943 18944 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18945 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18946 ArrayList<PreferredActivity> removed = null; 18947 boolean changed = false; 18948 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18949 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18950 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18951 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18952 continue; 18953 } 18954 Iterator<PreferredActivity> it = pir.filterIterator(); 18955 while (it.hasNext()) { 18956 PreferredActivity pa = it.next(); 18957 // Mark entry for removal only if it matches the package name 18958 // and the entry is of type "always". 18959 if (packageName == null || 18960 (pa.mPref.mComponent.getPackageName().equals(packageName) 18961 && pa.mPref.mAlways)) { 18962 if (removed == null) { 18963 removed = new ArrayList<PreferredActivity>(); 18964 } 18965 removed.add(pa); 18966 } 18967 } 18968 if (removed != null) { 18969 for (int j=0; j<removed.size(); j++) { 18970 PreferredActivity pa = removed.get(j); 18971 pir.removeFilter(pa); 18972 } 18973 changed = true; 18974 } 18975 } 18976 if (changed) { 18977 postPreferredActivityChangedBroadcast(userId); 18978 } 18979 return changed; 18980 } 18981 18982 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18983 private void clearIntentFilterVerificationsLPw(int userId) { 18984 final int packageCount = mPackages.size(); 18985 for (int i = 0; i < packageCount; i++) { 18986 PackageParser.Package pkg = mPackages.valueAt(i); 18987 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18988 } 18989 } 18990 18991 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18992 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18993 if (userId == UserHandle.USER_ALL) { 18994 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18995 sUserManager.getUserIds())) { 18996 for (int oneUserId : sUserManager.getUserIds()) { 18997 scheduleWritePackageRestrictionsLocked(oneUserId); 18998 } 18999 } 19000 } else { 19001 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19002 scheduleWritePackageRestrictionsLocked(userId); 19003 } 19004 } 19005 } 19006 19007 void clearDefaultBrowserIfNeeded(String packageName) { 19008 for (int oneUserId : sUserManager.getUserIds()) { 19009 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 19010 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 19011 if (packageName.equals(defaultBrowserPackageName)) { 19012 setDefaultBrowserPackageName(null, oneUserId); 19013 } 19014 } 19015 } 19016 19017 @Override 19018 public void resetApplicationPreferences(int userId) { 19019 mContext.enforceCallingOrSelfPermission( 19020 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19021 final long identity = Binder.clearCallingIdentity(); 19022 // writer 19023 try { 19024 synchronized (mPackages) { 19025 clearPackagePreferredActivitiesLPw(null, userId); 19026 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19027 // TODO: We have to reset the default SMS and Phone. This requires 19028 // significant refactoring to keep all default apps in the package 19029 // manager (cleaner but more work) or have the services provide 19030 // callbacks to the package manager to request a default app reset. 19031 applyFactoryDefaultBrowserLPw(userId); 19032 clearIntentFilterVerificationsLPw(userId); 19033 primeDomainVerificationsLPw(userId); 19034 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19035 scheduleWritePackageRestrictionsLocked(userId); 19036 } 19037 resetNetworkPolicies(userId); 19038 } finally { 19039 Binder.restoreCallingIdentity(identity); 19040 } 19041 } 19042 19043 @Override 19044 public int getPreferredActivities(List<IntentFilter> outFilters, 19045 List<ComponentName> outActivities, String packageName) { 19046 19047 int num = 0; 19048 final int userId = UserHandle.getCallingUserId(); 19049 // reader 19050 synchronized (mPackages) { 19051 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19052 if (pir != null) { 19053 final Iterator<PreferredActivity> it = pir.filterIterator(); 19054 while (it.hasNext()) { 19055 final PreferredActivity pa = it.next(); 19056 if (packageName == null 19057 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19058 && pa.mPref.mAlways)) { 19059 if (outFilters != null) { 19060 outFilters.add(new IntentFilter(pa)); 19061 } 19062 if (outActivities != null) { 19063 outActivities.add(pa.mPref.mComponent); 19064 } 19065 } 19066 } 19067 } 19068 } 19069 19070 return num; 19071 } 19072 19073 @Override 19074 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19075 int userId) { 19076 int callingUid = Binder.getCallingUid(); 19077 if (callingUid != Process.SYSTEM_UID) { 19078 throw new SecurityException( 19079 "addPersistentPreferredActivity can only be run by the system"); 19080 } 19081 if (filter.countActions() == 0) { 19082 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19083 return; 19084 } 19085 synchronized (mPackages) { 19086 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19087 ":"); 19088 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19089 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19090 new PersistentPreferredActivity(filter, activity)); 19091 scheduleWritePackageRestrictionsLocked(userId); 19092 postPreferredActivityChangedBroadcast(userId); 19093 } 19094 } 19095 19096 @Override 19097 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19098 int callingUid = Binder.getCallingUid(); 19099 if (callingUid != Process.SYSTEM_UID) { 19100 throw new SecurityException( 19101 "clearPackagePersistentPreferredActivities can only be run by the system"); 19102 } 19103 ArrayList<PersistentPreferredActivity> removed = null; 19104 boolean changed = false; 19105 synchronized (mPackages) { 19106 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19107 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19108 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19109 .valueAt(i); 19110 if (userId != thisUserId) { 19111 continue; 19112 } 19113 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19114 while (it.hasNext()) { 19115 PersistentPreferredActivity ppa = it.next(); 19116 // Mark entry for removal only if it matches the package name. 19117 if (ppa.mComponent.getPackageName().equals(packageName)) { 19118 if (removed == null) { 19119 removed = new ArrayList<PersistentPreferredActivity>(); 19120 } 19121 removed.add(ppa); 19122 } 19123 } 19124 if (removed != null) { 19125 for (int j=0; j<removed.size(); j++) { 19126 PersistentPreferredActivity ppa = removed.get(j); 19127 ppir.removeFilter(ppa); 19128 } 19129 changed = true; 19130 } 19131 } 19132 19133 if (changed) { 19134 scheduleWritePackageRestrictionsLocked(userId); 19135 postPreferredActivityChangedBroadcast(userId); 19136 } 19137 } 19138 } 19139 19140 /** 19141 * Common machinery for picking apart a restored XML blob and passing 19142 * it to a caller-supplied functor to be applied to the running system. 19143 */ 19144 private void restoreFromXml(XmlPullParser parser, int userId, 19145 String expectedStartTag, BlobXmlRestorer functor) 19146 throws IOException, XmlPullParserException { 19147 int type; 19148 while ((type = parser.next()) != XmlPullParser.START_TAG 19149 && type != XmlPullParser.END_DOCUMENT) { 19150 } 19151 if (type != XmlPullParser.START_TAG) { 19152 // oops didn't find a start tag?! 19153 if (DEBUG_BACKUP) { 19154 Slog.e(TAG, "Didn't find start tag during restore"); 19155 } 19156 return; 19157 } 19158Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19159 // this is supposed to be TAG_PREFERRED_BACKUP 19160 if (!expectedStartTag.equals(parser.getName())) { 19161 if (DEBUG_BACKUP) { 19162 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19163 } 19164 return; 19165 } 19166 19167 // skip interfering stuff, then we're aligned with the backing implementation 19168 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19169Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19170 functor.apply(parser, userId); 19171 } 19172 19173 private interface BlobXmlRestorer { 19174 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19175 } 19176 19177 /** 19178 * Non-Binder method, support for the backup/restore mechanism: write the 19179 * full set of preferred activities in its canonical XML format. Returns the 19180 * XML output as a byte array, or null if there is none. 19181 */ 19182 @Override 19183 public byte[] getPreferredActivityBackup(int userId) { 19184 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19185 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19186 } 19187 19188 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19189 try { 19190 final XmlSerializer serializer = new FastXmlSerializer(); 19191 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19192 serializer.startDocument(null, true); 19193 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19194 19195 synchronized (mPackages) { 19196 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19197 } 19198 19199 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19200 serializer.endDocument(); 19201 serializer.flush(); 19202 } catch (Exception e) { 19203 if (DEBUG_BACKUP) { 19204 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19205 } 19206 return null; 19207 } 19208 19209 return dataStream.toByteArray(); 19210 } 19211 19212 @Override 19213 public void restorePreferredActivities(byte[] backup, int userId) { 19214 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19215 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19216 } 19217 19218 try { 19219 final XmlPullParser parser = Xml.newPullParser(); 19220 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19221 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19222 new BlobXmlRestorer() { 19223 @Override 19224 public void apply(XmlPullParser parser, int userId) 19225 throws XmlPullParserException, IOException { 19226 synchronized (mPackages) { 19227 mSettings.readPreferredActivitiesLPw(parser, userId); 19228 } 19229 } 19230 } ); 19231 } catch (Exception e) { 19232 if (DEBUG_BACKUP) { 19233 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19234 } 19235 } 19236 } 19237 19238 /** 19239 * Non-Binder method, support for the backup/restore mechanism: write the 19240 * default browser (etc) settings in its canonical XML format. Returns the default 19241 * browser XML representation as a byte array, or null if there is none. 19242 */ 19243 @Override 19244 public byte[] getDefaultAppsBackup(int userId) { 19245 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19246 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19247 } 19248 19249 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19250 try { 19251 final XmlSerializer serializer = new FastXmlSerializer(); 19252 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19253 serializer.startDocument(null, true); 19254 serializer.startTag(null, TAG_DEFAULT_APPS); 19255 19256 synchronized (mPackages) { 19257 mSettings.writeDefaultAppsLPr(serializer, userId); 19258 } 19259 19260 serializer.endTag(null, TAG_DEFAULT_APPS); 19261 serializer.endDocument(); 19262 serializer.flush(); 19263 } catch (Exception e) { 19264 if (DEBUG_BACKUP) { 19265 Slog.e(TAG, "Unable to write default apps for backup", e); 19266 } 19267 return null; 19268 } 19269 19270 return dataStream.toByteArray(); 19271 } 19272 19273 @Override 19274 public void restoreDefaultApps(byte[] backup, int userId) { 19275 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19276 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19277 } 19278 19279 try { 19280 final XmlPullParser parser = Xml.newPullParser(); 19281 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19282 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19283 new BlobXmlRestorer() { 19284 @Override 19285 public void apply(XmlPullParser parser, int userId) 19286 throws XmlPullParserException, IOException { 19287 synchronized (mPackages) { 19288 mSettings.readDefaultAppsLPw(parser, userId); 19289 } 19290 } 19291 } ); 19292 } catch (Exception e) { 19293 if (DEBUG_BACKUP) { 19294 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19295 } 19296 } 19297 } 19298 19299 @Override 19300 public byte[] getIntentFilterVerificationBackup(int userId) { 19301 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19302 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19303 } 19304 19305 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19306 try { 19307 final XmlSerializer serializer = new FastXmlSerializer(); 19308 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19309 serializer.startDocument(null, true); 19310 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19311 19312 synchronized (mPackages) { 19313 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19314 } 19315 19316 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19317 serializer.endDocument(); 19318 serializer.flush(); 19319 } catch (Exception e) { 19320 if (DEBUG_BACKUP) { 19321 Slog.e(TAG, "Unable to write default apps for backup", e); 19322 } 19323 return null; 19324 } 19325 19326 return dataStream.toByteArray(); 19327 } 19328 19329 @Override 19330 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19331 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19332 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19333 } 19334 19335 try { 19336 final XmlPullParser parser = Xml.newPullParser(); 19337 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19338 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19339 new BlobXmlRestorer() { 19340 @Override 19341 public void apply(XmlPullParser parser, int userId) 19342 throws XmlPullParserException, IOException { 19343 synchronized (mPackages) { 19344 mSettings.readAllDomainVerificationsLPr(parser, userId); 19345 mSettings.writeLPr(); 19346 } 19347 } 19348 } ); 19349 } catch (Exception e) { 19350 if (DEBUG_BACKUP) { 19351 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19352 } 19353 } 19354 } 19355 19356 @Override 19357 public byte[] getPermissionGrantBackup(int userId) { 19358 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19359 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19360 } 19361 19362 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19363 try { 19364 final XmlSerializer serializer = new FastXmlSerializer(); 19365 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19366 serializer.startDocument(null, true); 19367 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19368 19369 synchronized (mPackages) { 19370 serializeRuntimePermissionGrantsLPr(serializer, userId); 19371 } 19372 19373 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19374 serializer.endDocument(); 19375 serializer.flush(); 19376 } catch (Exception e) { 19377 if (DEBUG_BACKUP) { 19378 Slog.e(TAG, "Unable to write default apps for backup", e); 19379 } 19380 return null; 19381 } 19382 19383 return dataStream.toByteArray(); 19384 } 19385 19386 @Override 19387 public void restorePermissionGrants(byte[] backup, int userId) { 19388 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19389 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19390 } 19391 19392 try { 19393 final XmlPullParser parser = Xml.newPullParser(); 19394 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19395 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19396 new BlobXmlRestorer() { 19397 @Override 19398 public void apply(XmlPullParser parser, int userId) 19399 throws XmlPullParserException, IOException { 19400 synchronized (mPackages) { 19401 processRestoredPermissionGrantsLPr(parser, userId); 19402 } 19403 } 19404 } ); 19405 } catch (Exception e) { 19406 if (DEBUG_BACKUP) { 19407 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19408 } 19409 } 19410 } 19411 19412 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19413 throws IOException { 19414 serializer.startTag(null, TAG_ALL_GRANTS); 19415 19416 final int N = mSettings.mPackages.size(); 19417 for (int i = 0; i < N; i++) { 19418 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19419 boolean pkgGrantsKnown = false; 19420 19421 PermissionsState packagePerms = ps.getPermissionsState(); 19422 19423 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19424 final int grantFlags = state.getFlags(); 19425 // only look at grants that are not system/policy fixed 19426 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19427 final boolean isGranted = state.isGranted(); 19428 // And only back up the user-twiddled state bits 19429 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19430 final String packageName = mSettings.mPackages.keyAt(i); 19431 if (!pkgGrantsKnown) { 19432 serializer.startTag(null, TAG_GRANT); 19433 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19434 pkgGrantsKnown = true; 19435 } 19436 19437 final boolean userSet = 19438 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19439 final boolean userFixed = 19440 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19441 final boolean revoke = 19442 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19443 19444 serializer.startTag(null, TAG_PERMISSION); 19445 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19446 if (isGranted) { 19447 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19448 } 19449 if (userSet) { 19450 serializer.attribute(null, ATTR_USER_SET, "true"); 19451 } 19452 if (userFixed) { 19453 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19454 } 19455 if (revoke) { 19456 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19457 } 19458 serializer.endTag(null, TAG_PERMISSION); 19459 } 19460 } 19461 } 19462 19463 if (pkgGrantsKnown) { 19464 serializer.endTag(null, TAG_GRANT); 19465 } 19466 } 19467 19468 serializer.endTag(null, TAG_ALL_GRANTS); 19469 } 19470 19471 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19472 throws XmlPullParserException, IOException { 19473 String pkgName = null; 19474 int outerDepth = parser.getDepth(); 19475 int type; 19476 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19477 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19478 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19479 continue; 19480 } 19481 19482 final String tagName = parser.getName(); 19483 if (tagName.equals(TAG_GRANT)) { 19484 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19485 if (DEBUG_BACKUP) { 19486 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19487 } 19488 } else if (tagName.equals(TAG_PERMISSION)) { 19489 19490 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19491 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19492 19493 int newFlagSet = 0; 19494 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19495 newFlagSet |= FLAG_PERMISSION_USER_SET; 19496 } 19497 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19498 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19499 } 19500 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19501 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19502 } 19503 if (DEBUG_BACKUP) { 19504 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19505 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19506 } 19507 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19508 if (ps != null) { 19509 // Already installed so we apply the grant immediately 19510 if (DEBUG_BACKUP) { 19511 Slog.v(TAG, " + already installed; applying"); 19512 } 19513 PermissionsState perms = ps.getPermissionsState(); 19514 BasePermission bp = mSettings.mPermissions.get(permName); 19515 if (bp != null) { 19516 if (isGranted) { 19517 perms.grantRuntimePermission(bp, userId); 19518 } 19519 if (newFlagSet != 0) { 19520 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19521 } 19522 } 19523 } else { 19524 // Need to wait for post-restore install to apply the grant 19525 if (DEBUG_BACKUP) { 19526 Slog.v(TAG, " - not yet installed; saving for later"); 19527 } 19528 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19529 isGranted, newFlagSet, userId); 19530 } 19531 } else { 19532 PackageManagerService.reportSettingsProblem(Log.WARN, 19533 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19534 XmlUtils.skipCurrentTag(parser); 19535 } 19536 } 19537 19538 scheduleWriteSettingsLocked(); 19539 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19540 } 19541 19542 @Override 19543 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19544 int sourceUserId, int targetUserId, int flags) { 19545 mContext.enforceCallingOrSelfPermission( 19546 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19547 int callingUid = Binder.getCallingUid(); 19548 enforceOwnerRights(ownerPackage, callingUid); 19549 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19550 if (intentFilter.countActions() == 0) { 19551 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19552 return; 19553 } 19554 synchronized (mPackages) { 19555 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19556 ownerPackage, targetUserId, flags); 19557 CrossProfileIntentResolver resolver = 19558 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19559 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19560 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19561 if (existing != null) { 19562 int size = existing.size(); 19563 for (int i = 0; i < size; i++) { 19564 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19565 return; 19566 } 19567 } 19568 } 19569 resolver.addFilter(newFilter); 19570 scheduleWritePackageRestrictionsLocked(sourceUserId); 19571 } 19572 } 19573 19574 @Override 19575 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19576 mContext.enforceCallingOrSelfPermission( 19577 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19578 int callingUid = Binder.getCallingUid(); 19579 enforceOwnerRights(ownerPackage, callingUid); 19580 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19581 synchronized (mPackages) { 19582 CrossProfileIntentResolver resolver = 19583 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19584 ArraySet<CrossProfileIntentFilter> set = 19585 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19586 for (CrossProfileIntentFilter filter : set) { 19587 if (filter.getOwnerPackage().equals(ownerPackage)) { 19588 resolver.removeFilter(filter); 19589 } 19590 } 19591 scheduleWritePackageRestrictionsLocked(sourceUserId); 19592 } 19593 } 19594 19595 // Enforcing that callingUid is owning pkg on userId 19596 private void enforceOwnerRights(String pkg, int callingUid) { 19597 // The system owns everything. 19598 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19599 return; 19600 } 19601 int callingUserId = UserHandle.getUserId(callingUid); 19602 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19603 if (pi == null) { 19604 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19605 + callingUserId); 19606 } 19607 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19608 throw new SecurityException("Calling uid " + callingUid 19609 + " does not own package " + pkg); 19610 } 19611 } 19612 19613 @Override 19614 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19615 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19616 } 19617 19618 private Intent getHomeIntent() { 19619 Intent intent = new Intent(Intent.ACTION_MAIN); 19620 intent.addCategory(Intent.CATEGORY_HOME); 19621 intent.addCategory(Intent.CATEGORY_DEFAULT); 19622 return intent; 19623 } 19624 19625 private IntentFilter getHomeFilter() { 19626 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19627 filter.addCategory(Intent.CATEGORY_HOME); 19628 filter.addCategory(Intent.CATEGORY_DEFAULT); 19629 return filter; 19630 } 19631 19632 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19633 int userId) { 19634 Intent intent = getHomeIntent(); 19635 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19636 PackageManager.GET_META_DATA, userId); 19637 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19638 true, false, false, userId); 19639 19640 allHomeCandidates.clear(); 19641 if (list != null) { 19642 for (ResolveInfo ri : list) { 19643 allHomeCandidates.add(ri); 19644 } 19645 } 19646 return (preferred == null || preferred.activityInfo == null) 19647 ? null 19648 : new ComponentName(preferred.activityInfo.packageName, 19649 preferred.activityInfo.name); 19650 } 19651 19652 @Override 19653 public void setHomeActivity(ComponentName comp, int userId) { 19654 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19655 getHomeActivitiesAsUser(homeActivities, userId); 19656 19657 boolean found = false; 19658 19659 final int size = homeActivities.size(); 19660 final ComponentName[] set = new ComponentName[size]; 19661 for (int i = 0; i < size; i++) { 19662 final ResolveInfo candidate = homeActivities.get(i); 19663 final ActivityInfo info = candidate.activityInfo; 19664 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19665 set[i] = activityName; 19666 if (!found && activityName.equals(comp)) { 19667 found = true; 19668 } 19669 } 19670 if (!found) { 19671 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19672 + userId); 19673 } 19674 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19675 set, comp, userId); 19676 } 19677 19678 private @Nullable String getSetupWizardPackageName() { 19679 final Intent intent = new Intent(Intent.ACTION_MAIN); 19680 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19681 19682 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19683 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19684 | MATCH_DISABLED_COMPONENTS, 19685 UserHandle.myUserId()); 19686 if (matches.size() == 1) { 19687 return matches.get(0).getComponentInfo().packageName; 19688 } else { 19689 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19690 + ": matches=" + matches); 19691 return null; 19692 } 19693 } 19694 19695 private @Nullable String getStorageManagerPackageName() { 19696 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19697 19698 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19699 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19700 | MATCH_DISABLED_COMPONENTS, 19701 UserHandle.myUserId()); 19702 if (matches.size() == 1) { 19703 return matches.get(0).getComponentInfo().packageName; 19704 } else { 19705 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19706 + matches.size() + ": matches=" + matches); 19707 return null; 19708 } 19709 } 19710 19711 @Override 19712 public void setApplicationEnabledSetting(String appPackageName, 19713 int newState, int flags, int userId, String callingPackage) { 19714 if (!sUserManager.exists(userId)) return; 19715 if (callingPackage == null) { 19716 callingPackage = Integer.toString(Binder.getCallingUid()); 19717 } 19718 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19719 } 19720 19721 @Override 19722 public void setComponentEnabledSetting(ComponentName componentName, 19723 int newState, int flags, int userId) { 19724 if (!sUserManager.exists(userId)) return; 19725 setEnabledSetting(componentName.getPackageName(), 19726 componentName.getClassName(), newState, flags, userId, null); 19727 } 19728 19729 private void setEnabledSetting(final String packageName, String className, int newState, 19730 final int flags, int userId, String callingPackage) { 19731 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19732 || newState == COMPONENT_ENABLED_STATE_ENABLED 19733 || newState == COMPONENT_ENABLED_STATE_DISABLED 19734 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19735 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19736 throw new IllegalArgumentException("Invalid new component state: " 19737 + newState); 19738 } 19739 PackageSetting pkgSetting; 19740 final int uid = Binder.getCallingUid(); 19741 final int permission; 19742 if (uid == Process.SYSTEM_UID) { 19743 permission = PackageManager.PERMISSION_GRANTED; 19744 } else { 19745 permission = mContext.checkCallingOrSelfPermission( 19746 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19747 } 19748 enforceCrossUserPermission(uid, userId, 19749 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19750 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19751 boolean sendNow = false; 19752 boolean isApp = (className == null); 19753 String componentName = isApp ? packageName : className; 19754 int packageUid = -1; 19755 ArrayList<String> components; 19756 19757 // writer 19758 synchronized (mPackages) { 19759 pkgSetting = mSettings.mPackages.get(packageName); 19760 if (pkgSetting == null) { 19761 if (className == null) { 19762 throw new IllegalArgumentException("Unknown package: " + packageName); 19763 } 19764 throw new IllegalArgumentException( 19765 "Unknown component: " + packageName + "/" + className); 19766 } 19767 } 19768 19769 // Limit who can change which apps 19770 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 19771 // Don't allow apps that don't have permission to modify other apps 19772 if (!allowedByPermission) { 19773 throw new SecurityException( 19774 "Permission Denial: attempt to change component state from pid=" 19775 + Binder.getCallingPid() 19776 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 19777 } 19778 // Don't allow changing protected packages. 19779 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19780 throw new SecurityException("Cannot disable a protected package: " + packageName); 19781 } 19782 } 19783 19784 synchronized (mPackages) { 19785 if (uid == Process.SHELL_UID 19786 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19787 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19788 // unless it is a test package. 19789 int oldState = pkgSetting.getEnabled(userId); 19790 if (className == null 19791 && 19792 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19793 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19794 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19795 && 19796 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19797 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19798 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19799 // ok 19800 } else { 19801 throw new SecurityException( 19802 "Shell cannot change component state for " + packageName + "/" 19803 + className + " to " + newState); 19804 } 19805 } 19806 if (className == null) { 19807 // We're dealing with an application/package level state change 19808 if (pkgSetting.getEnabled(userId) == newState) { 19809 // Nothing to do 19810 return; 19811 } 19812 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19813 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19814 // Don't care about who enables an app. 19815 callingPackage = null; 19816 } 19817 pkgSetting.setEnabled(newState, userId, callingPackage); 19818 // pkgSetting.pkg.mSetEnabled = newState; 19819 } else { 19820 // We're dealing with a component level state change 19821 // First, verify that this is a valid class name. 19822 PackageParser.Package pkg = pkgSetting.pkg; 19823 if (pkg == null || !pkg.hasComponentClassName(className)) { 19824 if (pkg != null && 19825 pkg.applicationInfo.targetSdkVersion >= 19826 Build.VERSION_CODES.JELLY_BEAN) { 19827 throw new IllegalArgumentException("Component class " + className 19828 + " does not exist in " + packageName); 19829 } else { 19830 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19831 + className + " does not exist in " + packageName); 19832 } 19833 } 19834 switch (newState) { 19835 case COMPONENT_ENABLED_STATE_ENABLED: 19836 if (!pkgSetting.enableComponentLPw(className, userId)) { 19837 return; 19838 } 19839 break; 19840 case COMPONENT_ENABLED_STATE_DISABLED: 19841 if (!pkgSetting.disableComponentLPw(className, userId)) { 19842 return; 19843 } 19844 break; 19845 case COMPONENT_ENABLED_STATE_DEFAULT: 19846 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19847 return; 19848 } 19849 break; 19850 default: 19851 Slog.e(TAG, "Invalid new component state: " + newState); 19852 return; 19853 } 19854 } 19855 scheduleWritePackageRestrictionsLocked(userId); 19856 updateSequenceNumberLP(packageName, new int[] { userId }); 19857 components = mPendingBroadcasts.get(userId, packageName); 19858 final boolean newPackage = components == null; 19859 if (newPackage) { 19860 components = new ArrayList<String>(); 19861 } 19862 if (!components.contains(componentName)) { 19863 components.add(componentName); 19864 } 19865 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19866 sendNow = true; 19867 // Purge entry from pending broadcast list if another one exists already 19868 // since we are sending one right away. 19869 mPendingBroadcasts.remove(userId, packageName); 19870 } else { 19871 if (newPackage) { 19872 mPendingBroadcasts.put(userId, packageName, components); 19873 } 19874 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19875 // Schedule a message 19876 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19877 } 19878 } 19879 } 19880 19881 long callingId = Binder.clearCallingIdentity(); 19882 try { 19883 if (sendNow) { 19884 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19885 sendPackageChangedBroadcast(packageName, 19886 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19887 } 19888 } finally { 19889 Binder.restoreCallingIdentity(callingId); 19890 } 19891 } 19892 19893 @Override 19894 public void flushPackageRestrictionsAsUser(int userId) { 19895 if (!sUserManager.exists(userId)) { 19896 return; 19897 } 19898 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19899 false /* checkShell */, "flushPackageRestrictions"); 19900 synchronized (mPackages) { 19901 mSettings.writePackageRestrictionsLPr(userId); 19902 mDirtyUsers.remove(userId); 19903 if (mDirtyUsers.isEmpty()) { 19904 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19905 } 19906 } 19907 } 19908 19909 private void sendPackageChangedBroadcast(String packageName, 19910 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19911 if (DEBUG_INSTALL) 19912 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19913 + componentNames); 19914 Bundle extras = new Bundle(4); 19915 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19916 String nameList[] = new String[componentNames.size()]; 19917 componentNames.toArray(nameList); 19918 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19919 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19920 extras.putInt(Intent.EXTRA_UID, packageUid); 19921 // If this is not reporting a change of the overall package, then only send it 19922 // to registered receivers. We don't want to launch a swath of apps for every 19923 // little component state change. 19924 final int flags = !componentNames.contains(packageName) 19925 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19926 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19927 new int[] {UserHandle.getUserId(packageUid)}); 19928 } 19929 19930 @Override 19931 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19932 if (!sUserManager.exists(userId)) return; 19933 final int uid = Binder.getCallingUid(); 19934 final int permission = mContext.checkCallingOrSelfPermission( 19935 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19936 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19937 enforceCrossUserPermission(uid, userId, 19938 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19939 // writer 19940 synchronized (mPackages) { 19941 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19942 allowedByPermission, uid, userId)) { 19943 scheduleWritePackageRestrictionsLocked(userId); 19944 } 19945 } 19946 } 19947 19948 @Override 19949 public String getInstallerPackageName(String packageName) { 19950 // reader 19951 synchronized (mPackages) { 19952 return mSettings.getInstallerPackageNameLPr(packageName); 19953 } 19954 } 19955 19956 public boolean isOrphaned(String packageName) { 19957 // reader 19958 synchronized (mPackages) { 19959 return mSettings.isOrphaned(packageName); 19960 } 19961 } 19962 19963 @Override 19964 public int getApplicationEnabledSetting(String packageName, int userId) { 19965 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19966 int uid = Binder.getCallingUid(); 19967 enforceCrossUserPermission(uid, userId, 19968 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19969 // reader 19970 synchronized (mPackages) { 19971 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19972 } 19973 } 19974 19975 @Override 19976 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 19977 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19978 int uid = Binder.getCallingUid(); 19979 enforceCrossUserPermission(uid, userId, 19980 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 19981 // reader 19982 synchronized (mPackages) { 19983 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 19984 } 19985 } 19986 19987 @Override 19988 public void enterSafeMode() { 19989 enforceSystemOrRoot("Only the system can request entering safe mode"); 19990 19991 if (!mSystemReady) { 19992 mSafeMode = true; 19993 } 19994 } 19995 19996 @Override 19997 public void systemReady() { 19998 mSystemReady = true; 19999 20000 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20001 // disabled after already being started. 20002 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 20003 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 20004 20005 // Read the compatibilty setting when the system is ready. 20006 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20007 mContext.getContentResolver(), 20008 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20009 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20010 if (DEBUG_SETTINGS) { 20011 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20012 } 20013 20014 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20015 20016 synchronized (mPackages) { 20017 // Verify that all of the preferred activity components actually 20018 // exist. It is possible for applications to be updated and at 20019 // that point remove a previously declared activity component that 20020 // had been set as a preferred activity. We try to clean this up 20021 // the next time we encounter that preferred activity, but it is 20022 // possible for the user flow to never be able to return to that 20023 // situation so here we do a sanity check to make sure we haven't 20024 // left any junk around. 20025 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20026 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20027 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20028 removed.clear(); 20029 for (PreferredActivity pa : pir.filterSet()) { 20030 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20031 removed.add(pa); 20032 } 20033 } 20034 if (removed.size() > 0) { 20035 for (int r=0; r<removed.size(); r++) { 20036 PreferredActivity pa = removed.get(r); 20037 Slog.w(TAG, "Removing dangling preferred activity: " 20038 + pa.mPref.mComponent); 20039 pir.removeFilter(pa); 20040 } 20041 mSettings.writePackageRestrictionsLPr( 20042 mSettings.mPreferredActivities.keyAt(i)); 20043 } 20044 } 20045 20046 for (int userId : UserManagerService.getInstance().getUserIds()) { 20047 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20048 grantPermissionsUserIds = ArrayUtils.appendInt( 20049 grantPermissionsUserIds, userId); 20050 } 20051 } 20052 } 20053 sUserManager.systemReady(); 20054 20055 // If we upgraded grant all default permissions before kicking off. 20056 for (int userId : grantPermissionsUserIds) { 20057 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20058 } 20059 20060 // If we did not grant default permissions, we preload from this the 20061 // default permission exceptions lazily to ensure we don't hit the 20062 // disk on a new user creation. 20063 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20064 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20065 } 20066 20067 // Kick off any messages waiting for system ready 20068 if (mPostSystemReadyMessages != null) { 20069 for (Message msg : mPostSystemReadyMessages) { 20070 msg.sendToTarget(); 20071 } 20072 mPostSystemReadyMessages = null; 20073 } 20074 20075 // Watch for external volumes that come and go over time 20076 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20077 storage.registerListener(mStorageListener); 20078 20079 mInstallerService.systemReady(); 20080 mPackageDexOptimizer.systemReady(); 20081 20082 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20083 StorageManagerInternal.class); 20084 StorageManagerInternal.addExternalStoragePolicy( 20085 new StorageManagerInternal.ExternalStorageMountPolicy() { 20086 @Override 20087 public int getMountMode(int uid, String packageName) { 20088 if (Process.isIsolated(uid)) { 20089 return Zygote.MOUNT_EXTERNAL_NONE; 20090 } 20091 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20092 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20093 } 20094 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20095 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20096 } 20097 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20098 return Zygote.MOUNT_EXTERNAL_READ; 20099 } 20100 return Zygote.MOUNT_EXTERNAL_WRITE; 20101 } 20102 20103 @Override 20104 public boolean hasExternalStorage(int uid, String packageName) { 20105 return true; 20106 } 20107 }); 20108 20109 // Now that we're mostly running, clean up stale users and apps 20110 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20111 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20112 20113 if (mPrivappPermissionsViolations != null) { 20114 Slog.wtf(TAG,"Signature|privileged permissions not in " 20115 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20116 mPrivappPermissionsViolations = null; 20117 } 20118 } 20119 20120 @Override 20121 public boolean isSafeMode() { 20122 return mSafeMode; 20123 } 20124 20125 @Override 20126 public boolean hasSystemUidErrors() { 20127 return mHasSystemUidErrors; 20128 } 20129 20130 static String arrayToString(int[] array) { 20131 StringBuffer buf = new StringBuffer(128); 20132 buf.append('['); 20133 if (array != null) { 20134 for (int i=0; i<array.length; i++) { 20135 if (i > 0) buf.append(", "); 20136 buf.append(array[i]); 20137 } 20138 } 20139 buf.append(']'); 20140 return buf.toString(); 20141 } 20142 20143 static class DumpState { 20144 public static final int DUMP_LIBS = 1 << 0; 20145 public static final int DUMP_FEATURES = 1 << 1; 20146 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20147 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20148 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20149 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20150 public static final int DUMP_PERMISSIONS = 1 << 6; 20151 public static final int DUMP_PACKAGES = 1 << 7; 20152 public static final int DUMP_SHARED_USERS = 1 << 8; 20153 public static final int DUMP_MESSAGES = 1 << 9; 20154 public static final int DUMP_PROVIDERS = 1 << 10; 20155 public static final int DUMP_VERIFIERS = 1 << 11; 20156 public static final int DUMP_PREFERRED = 1 << 12; 20157 public static final int DUMP_PREFERRED_XML = 1 << 13; 20158 public static final int DUMP_KEYSETS = 1 << 14; 20159 public static final int DUMP_VERSION = 1 << 15; 20160 public static final int DUMP_INSTALLS = 1 << 16; 20161 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20162 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20163 public static final int DUMP_FROZEN = 1 << 19; 20164 public static final int DUMP_DEXOPT = 1 << 20; 20165 public static final int DUMP_COMPILER_STATS = 1 << 21; 20166 20167 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20168 20169 private int mTypes; 20170 20171 private int mOptions; 20172 20173 private boolean mTitlePrinted; 20174 20175 private SharedUserSetting mSharedUser; 20176 20177 public boolean isDumping(int type) { 20178 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20179 return true; 20180 } 20181 20182 return (mTypes & type) != 0; 20183 } 20184 20185 public void setDump(int type) { 20186 mTypes |= type; 20187 } 20188 20189 public boolean isOptionEnabled(int option) { 20190 return (mOptions & option) != 0; 20191 } 20192 20193 public void setOptionEnabled(int option) { 20194 mOptions |= option; 20195 } 20196 20197 public boolean onTitlePrinted() { 20198 final boolean printed = mTitlePrinted; 20199 mTitlePrinted = true; 20200 return printed; 20201 } 20202 20203 public boolean getTitlePrinted() { 20204 return mTitlePrinted; 20205 } 20206 20207 public void setTitlePrinted(boolean enabled) { 20208 mTitlePrinted = enabled; 20209 } 20210 20211 public SharedUserSetting getSharedUser() { 20212 return mSharedUser; 20213 } 20214 20215 public void setSharedUser(SharedUserSetting user) { 20216 mSharedUser = user; 20217 } 20218 } 20219 20220 @Override 20221 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20222 FileDescriptor err, String[] args, ShellCallback callback, 20223 ResultReceiver resultReceiver) { 20224 (new PackageManagerShellCommand(this)).exec( 20225 this, in, out, err, args, callback, resultReceiver); 20226 } 20227 20228 @Override 20229 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20230 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 20231 != PackageManager.PERMISSION_GRANTED) { 20232 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 20233 + Binder.getCallingPid() 20234 + ", uid=" + Binder.getCallingUid() 20235 + " without permission " 20236 + android.Manifest.permission.DUMP); 20237 return; 20238 } 20239 20240 DumpState dumpState = new DumpState(); 20241 boolean fullPreferred = false; 20242 boolean checkin = false; 20243 20244 String packageName = null; 20245 ArraySet<String> permissionNames = null; 20246 20247 int opti = 0; 20248 while (opti < args.length) { 20249 String opt = args[opti]; 20250 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20251 break; 20252 } 20253 opti++; 20254 20255 if ("-a".equals(opt)) { 20256 // Right now we only know how to print all. 20257 } else if ("-h".equals(opt)) { 20258 pw.println("Package manager dump options:"); 20259 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20260 pw.println(" --checkin: dump for a checkin"); 20261 pw.println(" -f: print details of intent filters"); 20262 pw.println(" -h: print this help"); 20263 pw.println(" cmd may be one of:"); 20264 pw.println(" l[ibraries]: list known shared libraries"); 20265 pw.println(" f[eatures]: list device features"); 20266 pw.println(" k[eysets]: print known keysets"); 20267 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20268 pw.println(" perm[issions]: dump permissions"); 20269 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20270 pw.println(" pref[erred]: print preferred package settings"); 20271 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20272 pw.println(" prov[iders]: dump content providers"); 20273 pw.println(" p[ackages]: dump installed packages"); 20274 pw.println(" s[hared-users]: dump shared user IDs"); 20275 pw.println(" m[essages]: print collected runtime messages"); 20276 pw.println(" v[erifiers]: print package verifier info"); 20277 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20278 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20279 pw.println(" version: print database version info"); 20280 pw.println(" write: write current settings now"); 20281 pw.println(" installs: details about install sessions"); 20282 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20283 pw.println(" dexopt: dump dexopt state"); 20284 pw.println(" compiler-stats: dump compiler statistics"); 20285 pw.println(" <package.name>: info about given package"); 20286 return; 20287 } else if ("--checkin".equals(opt)) { 20288 checkin = true; 20289 } else if ("-f".equals(opt)) { 20290 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20291 } else { 20292 pw.println("Unknown argument: " + opt + "; use -h for help"); 20293 } 20294 } 20295 20296 // Is the caller requesting to dump a particular piece of data? 20297 if (opti < args.length) { 20298 String cmd = args[opti]; 20299 opti++; 20300 // Is this a package name? 20301 if ("android".equals(cmd) || cmd.contains(".")) { 20302 packageName = cmd; 20303 // When dumping a single package, we always dump all of its 20304 // filter information since the amount of data will be reasonable. 20305 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20306 } else if ("check-permission".equals(cmd)) { 20307 if (opti >= args.length) { 20308 pw.println("Error: check-permission missing permission argument"); 20309 return; 20310 } 20311 String perm = args[opti]; 20312 opti++; 20313 if (opti >= args.length) { 20314 pw.println("Error: check-permission missing package argument"); 20315 return; 20316 } 20317 20318 String pkg = args[opti]; 20319 opti++; 20320 int user = UserHandle.getUserId(Binder.getCallingUid()); 20321 if (opti < args.length) { 20322 try { 20323 user = Integer.parseInt(args[opti]); 20324 } catch (NumberFormatException e) { 20325 pw.println("Error: check-permission user argument is not a number: " 20326 + args[opti]); 20327 return; 20328 } 20329 } 20330 20331 // Normalize package name to handle renamed packages and static libs 20332 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20333 20334 pw.println(checkPermission(perm, pkg, user)); 20335 return; 20336 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20337 dumpState.setDump(DumpState.DUMP_LIBS); 20338 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20339 dumpState.setDump(DumpState.DUMP_FEATURES); 20340 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20341 if (opti >= args.length) { 20342 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20343 | DumpState.DUMP_SERVICE_RESOLVERS 20344 | DumpState.DUMP_RECEIVER_RESOLVERS 20345 | DumpState.DUMP_CONTENT_RESOLVERS); 20346 } else { 20347 while (opti < args.length) { 20348 String name = args[opti]; 20349 if ("a".equals(name) || "activity".equals(name)) { 20350 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20351 } else if ("s".equals(name) || "service".equals(name)) { 20352 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20353 } else if ("r".equals(name) || "receiver".equals(name)) { 20354 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20355 } else if ("c".equals(name) || "content".equals(name)) { 20356 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20357 } else { 20358 pw.println("Error: unknown resolver table type: " + name); 20359 return; 20360 } 20361 opti++; 20362 } 20363 } 20364 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20365 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20366 } else if ("permission".equals(cmd)) { 20367 if (opti >= args.length) { 20368 pw.println("Error: permission requires permission name"); 20369 return; 20370 } 20371 permissionNames = new ArraySet<>(); 20372 while (opti < args.length) { 20373 permissionNames.add(args[opti]); 20374 opti++; 20375 } 20376 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20377 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20378 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20379 dumpState.setDump(DumpState.DUMP_PREFERRED); 20380 } else if ("preferred-xml".equals(cmd)) { 20381 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20382 if (opti < args.length && "--full".equals(args[opti])) { 20383 fullPreferred = true; 20384 opti++; 20385 } 20386 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20387 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20388 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20389 dumpState.setDump(DumpState.DUMP_PACKAGES); 20390 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20391 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20392 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20393 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20394 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20395 dumpState.setDump(DumpState.DUMP_MESSAGES); 20396 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20397 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20398 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20399 || "intent-filter-verifiers".equals(cmd)) { 20400 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20401 } else if ("version".equals(cmd)) { 20402 dumpState.setDump(DumpState.DUMP_VERSION); 20403 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20404 dumpState.setDump(DumpState.DUMP_KEYSETS); 20405 } else if ("installs".equals(cmd)) { 20406 dumpState.setDump(DumpState.DUMP_INSTALLS); 20407 } else if ("frozen".equals(cmd)) { 20408 dumpState.setDump(DumpState.DUMP_FROZEN); 20409 } else if ("dexopt".equals(cmd)) { 20410 dumpState.setDump(DumpState.DUMP_DEXOPT); 20411 } else if ("compiler-stats".equals(cmd)) { 20412 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20413 } else if ("write".equals(cmd)) { 20414 synchronized (mPackages) { 20415 mSettings.writeLPr(); 20416 pw.println("Settings written."); 20417 return; 20418 } 20419 } 20420 } 20421 20422 if (checkin) { 20423 pw.println("vers,1"); 20424 } 20425 20426 // reader 20427 synchronized (mPackages) { 20428 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20429 if (!checkin) { 20430 if (dumpState.onTitlePrinted()) 20431 pw.println(); 20432 pw.println("Database versions:"); 20433 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20434 } 20435 } 20436 20437 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20438 if (!checkin) { 20439 if (dumpState.onTitlePrinted()) 20440 pw.println(); 20441 pw.println("Verifiers:"); 20442 pw.print(" Required: "); 20443 pw.print(mRequiredVerifierPackage); 20444 pw.print(" (uid="); 20445 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20446 UserHandle.USER_SYSTEM)); 20447 pw.println(")"); 20448 } else if (mRequiredVerifierPackage != null) { 20449 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20450 pw.print(","); 20451 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20452 UserHandle.USER_SYSTEM)); 20453 } 20454 } 20455 20456 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20457 packageName == null) { 20458 if (mIntentFilterVerifierComponent != null) { 20459 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20460 if (!checkin) { 20461 if (dumpState.onTitlePrinted()) 20462 pw.println(); 20463 pw.println("Intent Filter Verifier:"); 20464 pw.print(" Using: "); 20465 pw.print(verifierPackageName); 20466 pw.print(" (uid="); 20467 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20468 UserHandle.USER_SYSTEM)); 20469 pw.println(")"); 20470 } else if (verifierPackageName != null) { 20471 pw.print("ifv,"); pw.print(verifierPackageName); 20472 pw.print(","); 20473 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20474 UserHandle.USER_SYSTEM)); 20475 } 20476 } else { 20477 pw.println(); 20478 pw.println("No Intent Filter Verifier available!"); 20479 } 20480 } 20481 20482 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20483 boolean printedHeader = false; 20484 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20485 while (it.hasNext()) { 20486 String libName = it.next(); 20487 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20488 if (versionedLib == null) { 20489 continue; 20490 } 20491 final int versionCount = versionedLib.size(); 20492 for (int i = 0; i < versionCount; i++) { 20493 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20494 if (!checkin) { 20495 if (!printedHeader) { 20496 if (dumpState.onTitlePrinted()) 20497 pw.println(); 20498 pw.println("Libraries:"); 20499 printedHeader = true; 20500 } 20501 pw.print(" "); 20502 } else { 20503 pw.print("lib,"); 20504 } 20505 pw.print(libEntry.info.getName()); 20506 if (libEntry.info.isStatic()) { 20507 pw.print(" version=" + libEntry.info.getVersion()); 20508 } 20509 if (!checkin) { 20510 pw.print(" -> "); 20511 } 20512 if (libEntry.path != null) { 20513 pw.print(" (jar) "); 20514 pw.print(libEntry.path); 20515 } else { 20516 pw.print(" (apk) "); 20517 pw.print(libEntry.apk); 20518 } 20519 pw.println(); 20520 } 20521 } 20522 } 20523 20524 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20525 if (dumpState.onTitlePrinted()) 20526 pw.println(); 20527 if (!checkin) { 20528 pw.println("Features:"); 20529 } 20530 20531 synchronized (mAvailableFeatures) { 20532 for (FeatureInfo feat : mAvailableFeatures.values()) { 20533 if (checkin) { 20534 pw.print("feat,"); 20535 pw.print(feat.name); 20536 pw.print(","); 20537 pw.println(feat.version); 20538 } else { 20539 pw.print(" "); 20540 pw.print(feat.name); 20541 if (feat.version > 0) { 20542 pw.print(" version="); 20543 pw.print(feat.version); 20544 } 20545 pw.println(); 20546 } 20547 } 20548 } 20549 } 20550 20551 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20552 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20553 : "Activity Resolver Table:", " ", packageName, 20554 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20555 dumpState.setTitlePrinted(true); 20556 } 20557 } 20558 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20559 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20560 : "Receiver Resolver Table:", " ", packageName, 20561 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20562 dumpState.setTitlePrinted(true); 20563 } 20564 } 20565 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20566 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20567 : "Service Resolver Table:", " ", packageName, 20568 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20569 dumpState.setTitlePrinted(true); 20570 } 20571 } 20572 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20573 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20574 : "Provider Resolver Table:", " ", packageName, 20575 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20576 dumpState.setTitlePrinted(true); 20577 } 20578 } 20579 20580 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20581 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20582 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20583 int user = mSettings.mPreferredActivities.keyAt(i); 20584 if (pir.dump(pw, 20585 dumpState.getTitlePrinted() 20586 ? "\nPreferred Activities User " + user + ":" 20587 : "Preferred Activities User " + user + ":", " ", 20588 packageName, true, false)) { 20589 dumpState.setTitlePrinted(true); 20590 } 20591 } 20592 } 20593 20594 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20595 pw.flush(); 20596 FileOutputStream fout = new FileOutputStream(fd); 20597 BufferedOutputStream str = new BufferedOutputStream(fout); 20598 XmlSerializer serializer = new FastXmlSerializer(); 20599 try { 20600 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20601 serializer.startDocument(null, true); 20602 serializer.setFeature( 20603 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20604 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20605 serializer.endDocument(); 20606 serializer.flush(); 20607 } catch (IllegalArgumentException e) { 20608 pw.println("Failed writing: " + e); 20609 } catch (IllegalStateException e) { 20610 pw.println("Failed writing: " + e); 20611 } catch (IOException e) { 20612 pw.println("Failed writing: " + e); 20613 } 20614 } 20615 20616 if (!checkin 20617 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20618 && packageName == null) { 20619 pw.println(); 20620 int count = mSettings.mPackages.size(); 20621 if (count == 0) { 20622 pw.println("No applications!"); 20623 pw.println(); 20624 } else { 20625 final String prefix = " "; 20626 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20627 if (allPackageSettings.size() == 0) { 20628 pw.println("No domain preferred apps!"); 20629 pw.println(); 20630 } else { 20631 pw.println("App verification status:"); 20632 pw.println(); 20633 count = 0; 20634 for (PackageSetting ps : allPackageSettings) { 20635 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20636 if (ivi == null || ivi.getPackageName() == null) continue; 20637 pw.println(prefix + "Package: " + ivi.getPackageName()); 20638 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20639 pw.println(prefix + "Status: " + ivi.getStatusString()); 20640 pw.println(); 20641 count++; 20642 } 20643 if (count == 0) { 20644 pw.println(prefix + "No app verification established."); 20645 pw.println(); 20646 } 20647 for (int userId : sUserManager.getUserIds()) { 20648 pw.println("App linkages for user " + userId + ":"); 20649 pw.println(); 20650 count = 0; 20651 for (PackageSetting ps : allPackageSettings) { 20652 final long status = ps.getDomainVerificationStatusForUser(userId); 20653 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20654 && !DEBUG_DOMAIN_VERIFICATION) { 20655 continue; 20656 } 20657 pw.println(prefix + "Package: " + ps.name); 20658 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20659 String statusStr = IntentFilterVerificationInfo. 20660 getStatusStringFromValue(status); 20661 pw.println(prefix + "Status: " + statusStr); 20662 pw.println(); 20663 count++; 20664 } 20665 if (count == 0) { 20666 pw.println(prefix + "No configured app linkages."); 20667 pw.println(); 20668 } 20669 } 20670 } 20671 } 20672 } 20673 20674 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20675 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20676 if (packageName == null && permissionNames == null) { 20677 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 20678 if (iperm == 0) { 20679 if (dumpState.onTitlePrinted()) 20680 pw.println(); 20681 pw.println("AppOp Permissions:"); 20682 } 20683 pw.print(" AppOp Permission "); 20684 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 20685 pw.println(":"); 20686 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 20687 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 20688 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 20689 } 20690 } 20691 } 20692 } 20693 20694 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20695 boolean printedSomething = false; 20696 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20697 if (packageName != null && !packageName.equals(p.info.packageName)) { 20698 continue; 20699 } 20700 if (!printedSomething) { 20701 if (dumpState.onTitlePrinted()) 20702 pw.println(); 20703 pw.println("Registered ContentProviders:"); 20704 printedSomething = true; 20705 } 20706 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20707 pw.print(" "); pw.println(p.toString()); 20708 } 20709 printedSomething = false; 20710 for (Map.Entry<String, PackageParser.Provider> entry : 20711 mProvidersByAuthority.entrySet()) { 20712 PackageParser.Provider p = entry.getValue(); 20713 if (packageName != null && !packageName.equals(p.info.packageName)) { 20714 continue; 20715 } 20716 if (!printedSomething) { 20717 if (dumpState.onTitlePrinted()) 20718 pw.println(); 20719 pw.println("ContentProvider Authorities:"); 20720 printedSomething = true; 20721 } 20722 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20723 pw.print(" "); pw.println(p.toString()); 20724 if (p.info != null && p.info.applicationInfo != null) { 20725 final String appInfo = p.info.applicationInfo.toString(); 20726 pw.print(" applicationInfo="); pw.println(appInfo); 20727 } 20728 } 20729 } 20730 20731 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20732 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20733 } 20734 20735 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20736 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20737 } 20738 20739 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20740 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20741 } 20742 20743 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20744 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20745 } 20746 20747 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20748 // XXX should handle packageName != null by dumping only install data that 20749 // the given package is involved with. 20750 if (dumpState.onTitlePrinted()) pw.println(); 20751 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20752 } 20753 20754 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20755 // XXX should handle packageName != null by dumping only install data that 20756 // the given package is involved with. 20757 if (dumpState.onTitlePrinted()) pw.println(); 20758 20759 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20760 ipw.println(); 20761 ipw.println("Frozen packages:"); 20762 ipw.increaseIndent(); 20763 if (mFrozenPackages.size() == 0) { 20764 ipw.println("(none)"); 20765 } else { 20766 for (int i = 0; i < mFrozenPackages.size(); i++) { 20767 ipw.println(mFrozenPackages.valueAt(i)); 20768 } 20769 } 20770 ipw.decreaseIndent(); 20771 } 20772 20773 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20774 if (dumpState.onTitlePrinted()) pw.println(); 20775 dumpDexoptStateLPr(pw, packageName); 20776 } 20777 20778 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20779 if (dumpState.onTitlePrinted()) pw.println(); 20780 dumpCompilerStatsLPr(pw, packageName); 20781 } 20782 20783 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20784 if (dumpState.onTitlePrinted()) pw.println(); 20785 mSettings.dumpReadMessagesLPr(pw, dumpState); 20786 20787 pw.println(); 20788 pw.println("Package warning messages:"); 20789 BufferedReader in = null; 20790 String line = null; 20791 try { 20792 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20793 while ((line = in.readLine()) != null) { 20794 if (line.contains("ignored: updated version")) continue; 20795 pw.println(line); 20796 } 20797 } catch (IOException ignored) { 20798 } finally { 20799 IoUtils.closeQuietly(in); 20800 } 20801 } 20802 20803 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20804 BufferedReader in = null; 20805 String line = null; 20806 try { 20807 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 20808 while ((line = in.readLine()) != null) { 20809 if (line.contains("ignored: updated version")) continue; 20810 pw.print("msg,"); 20811 pw.println(line); 20812 } 20813 } catch (IOException ignored) { 20814 } finally { 20815 IoUtils.closeQuietly(in); 20816 } 20817 } 20818 } 20819 } 20820 20821 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20822 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20823 ipw.println(); 20824 ipw.println("Dexopt state:"); 20825 ipw.increaseIndent(); 20826 Collection<PackageParser.Package> packages = null; 20827 if (packageName != null) { 20828 PackageParser.Package targetPackage = mPackages.get(packageName); 20829 if (targetPackage != null) { 20830 packages = Collections.singletonList(targetPackage); 20831 } else { 20832 ipw.println("Unable to find package: " + packageName); 20833 return; 20834 } 20835 } else { 20836 packages = mPackages.values(); 20837 } 20838 20839 for (PackageParser.Package pkg : packages) { 20840 ipw.println("[" + pkg.packageName + "]"); 20841 ipw.increaseIndent(); 20842 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 20843 ipw.decreaseIndent(); 20844 } 20845 } 20846 20847 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20848 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20849 ipw.println(); 20850 ipw.println("Compiler stats:"); 20851 ipw.increaseIndent(); 20852 Collection<PackageParser.Package> packages = null; 20853 if (packageName != null) { 20854 PackageParser.Package targetPackage = mPackages.get(packageName); 20855 if (targetPackage != null) { 20856 packages = Collections.singletonList(targetPackage); 20857 } else { 20858 ipw.println("Unable to find package: " + packageName); 20859 return; 20860 } 20861 } else { 20862 packages = mPackages.values(); 20863 } 20864 20865 for (PackageParser.Package pkg : packages) { 20866 ipw.println("[" + pkg.packageName + "]"); 20867 ipw.increaseIndent(); 20868 20869 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20870 if (stats == null) { 20871 ipw.println("(No recorded stats)"); 20872 } else { 20873 stats.dump(ipw); 20874 } 20875 ipw.decreaseIndent(); 20876 } 20877 } 20878 20879 private String dumpDomainString(String packageName) { 20880 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 20881 .getList(); 20882 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 20883 20884 ArraySet<String> result = new ArraySet<>(); 20885 if (iviList.size() > 0) { 20886 for (IntentFilterVerificationInfo ivi : iviList) { 20887 for (String host : ivi.getDomains()) { 20888 result.add(host); 20889 } 20890 } 20891 } 20892 if (filters != null && filters.size() > 0) { 20893 for (IntentFilter filter : filters) { 20894 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 20895 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 20896 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 20897 result.addAll(filter.getHostsList()); 20898 } 20899 } 20900 } 20901 20902 StringBuilder sb = new StringBuilder(result.size() * 16); 20903 for (String domain : result) { 20904 if (sb.length() > 0) sb.append(" "); 20905 sb.append(domain); 20906 } 20907 return sb.toString(); 20908 } 20909 20910 // ------- apps on sdcard specific code ------- 20911 static final boolean DEBUG_SD_INSTALL = false; 20912 20913 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 20914 20915 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 20916 20917 private boolean mMediaMounted = false; 20918 20919 static String getEncryptKey() { 20920 try { 20921 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 20922 SD_ENCRYPTION_KEYSTORE_NAME); 20923 if (sdEncKey == null) { 20924 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 20925 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 20926 if (sdEncKey == null) { 20927 Slog.e(TAG, "Failed to create encryption keys"); 20928 return null; 20929 } 20930 } 20931 return sdEncKey; 20932 } catch (NoSuchAlgorithmException nsae) { 20933 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 20934 return null; 20935 } catch (IOException ioe) { 20936 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 20937 return null; 20938 } 20939 } 20940 20941 /* 20942 * Update media status on PackageManager. 20943 */ 20944 @Override 20945 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 20946 int callingUid = Binder.getCallingUid(); 20947 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 20948 throw new SecurityException("Media status can only be updated by the system"); 20949 } 20950 // reader; this apparently protects mMediaMounted, but should probably 20951 // be a different lock in that case. 20952 synchronized (mPackages) { 20953 Log.i(TAG, "Updating external media status from " 20954 + (mMediaMounted ? "mounted" : "unmounted") + " to " 20955 + (mediaStatus ? "mounted" : "unmounted")); 20956 if (DEBUG_SD_INSTALL) 20957 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 20958 + ", mMediaMounted=" + mMediaMounted); 20959 if (mediaStatus == mMediaMounted) { 20960 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 20961 : 0, -1); 20962 mHandler.sendMessage(msg); 20963 return; 20964 } 20965 mMediaMounted = mediaStatus; 20966 } 20967 // Queue up an async operation since the package installation may take a 20968 // little while. 20969 mHandler.post(new Runnable() { 20970 public void run() { 20971 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 20972 } 20973 }); 20974 } 20975 20976 /** 20977 * Called by StorageManagerService when the initial ASECs to scan are available. 20978 * Should block until all the ASEC containers are finished being scanned. 20979 */ 20980 public void scanAvailableAsecs() { 20981 updateExternalMediaStatusInner(true, false, false); 20982 } 20983 20984 /* 20985 * Collect information of applications on external media, map them against 20986 * existing containers and update information based on current mount status. 20987 * Please note that we always have to report status if reportStatus has been 20988 * set to true especially when unloading packages. 20989 */ 20990 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 20991 boolean externalStorage) { 20992 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 20993 int[] uidArr = EmptyArray.INT; 20994 20995 final String[] list = PackageHelper.getSecureContainerList(); 20996 if (ArrayUtils.isEmpty(list)) { 20997 Log.i(TAG, "No secure containers found"); 20998 } else { 20999 // Process list of secure containers and categorize them 21000 // as active or stale based on their package internal state. 21001 21002 // reader 21003 synchronized (mPackages) { 21004 for (String cid : list) { 21005 // Leave stages untouched for now; installer service owns them 21006 if (PackageInstallerService.isStageName(cid)) continue; 21007 21008 if (DEBUG_SD_INSTALL) 21009 Log.i(TAG, "Processing container " + cid); 21010 String pkgName = getAsecPackageName(cid); 21011 if (pkgName == null) { 21012 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21013 continue; 21014 } 21015 if (DEBUG_SD_INSTALL) 21016 Log.i(TAG, "Looking for pkg : " + pkgName); 21017 21018 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21019 if (ps == null) { 21020 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21021 continue; 21022 } 21023 21024 /* 21025 * Skip packages that are not external if we're unmounting 21026 * external storage. 21027 */ 21028 if (externalStorage && !isMounted && !isExternal(ps)) { 21029 continue; 21030 } 21031 21032 final AsecInstallArgs args = new AsecInstallArgs(cid, 21033 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21034 // The package status is changed only if the code path 21035 // matches between settings and the container id. 21036 if (ps.codePathString != null 21037 && ps.codePathString.startsWith(args.getCodePath())) { 21038 if (DEBUG_SD_INSTALL) { 21039 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21040 + " at code path: " + ps.codePathString); 21041 } 21042 21043 // We do have a valid package installed on sdcard 21044 processCids.put(args, ps.codePathString); 21045 final int uid = ps.appId; 21046 if (uid != -1) { 21047 uidArr = ArrayUtils.appendInt(uidArr, uid); 21048 } 21049 } else { 21050 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21051 + ps.codePathString); 21052 } 21053 } 21054 } 21055 21056 Arrays.sort(uidArr); 21057 } 21058 21059 // Process packages with valid entries. 21060 if (isMounted) { 21061 if (DEBUG_SD_INSTALL) 21062 Log.i(TAG, "Loading packages"); 21063 loadMediaPackages(processCids, uidArr, externalStorage); 21064 startCleaningPackages(); 21065 mInstallerService.onSecureContainersAvailable(); 21066 } else { 21067 if (DEBUG_SD_INSTALL) 21068 Log.i(TAG, "Unloading packages"); 21069 unloadMediaPackages(processCids, uidArr, reportStatus); 21070 } 21071 } 21072 21073 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21074 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21075 final int size = infos.size(); 21076 final String[] packageNames = new String[size]; 21077 final int[] packageUids = new int[size]; 21078 for (int i = 0; i < size; i++) { 21079 final ApplicationInfo info = infos.get(i); 21080 packageNames[i] = info.packageName; 21081 packageUids[i] = info.uid; 21082 } 21083 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21084 finishedReceiver); 21085 } 21086 21087 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21088 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21089 sendResourcesChangedBroadcast(mediaStatus, replacing, 21090 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21091 } 21092 21093 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21094 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21095 int size = pkgList.length; 21096 if (size > 0) { 21097 // Send broadcasts here 21098 Bundle extras = new Bundle(); 21099 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21100 if (uidArr != null) { 21101 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21102 } 21103 if (replacing) { 21104 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21105 } 21106 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21107 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21108 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21109 } 21110 } 21111 21112 /* 21113 * Look at potentially valid container ids from processCids If package 21114 * information doesn't match the one on record or package scanning fails, 21115 * the cid is added to list of removeCids. We currently don't delete stale 21116 * containers. 21117 */ 21118 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21119 boolean externalStorage) { 21120 ArrayList<String> pkgList = new ArrayList<String>(); 21121 Set<AsecInstallArgs> keys = processCids.keySet(); 21122 21123 for (AsecInstallArgs args : keys) { 21124 String codePath = processCids.get(args); 21125 if (DEBUG_SD_INSTALL) 21126 Log.i(TAG, "Loading container : " + args.cid); 21127 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21128 try { 21129 // Make sure there are no container errors first. 21130 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21131 Slog.e(TAG, "Failed to mount cid : " + args.cid 21132 + " when installing from sdcard"); 21133 continue; 21134 } 21135 // Check code path here. 21136 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21137 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21138 + " does not match one in settings " + codePath); 21139 continue; 21140 } 21141 // Parse package 21142 int parseFlags = mDefParseFlags; 21143 if (args.isExternalAsec()) { 21144 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21145 } 21146 if (args.isFwdLocked()) { 21147 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21148 } 21149 21150 synchronized (mInstallLock) { 21151 PackageParser.Package pkg = null; 21152 try { 21153 // Sadly we don't know the package name yet to freeze it 21154 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21155 SCAN_IGNORE_FROZEN, 0, null); 21156 } catch (PackageManagerException e) { 21157 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21158 } 21159 // Scan the package 21160 if (pkg != null) { 21161 /* 21162 * TODO why is the lock being held? doPostInstall is 21163 * called in other places without the lock. This needs 21164 * to be straightened out. 21165 */ 21166 // writer 21167 synchronized (mPackages) { 21168 retCode = PackageManager.INSTALL_SUCCEEDED; 21169 pkgList.add(pkg.packageName); 21170 // Post process args 21171 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21172 pkg.applicationInfo.uid); 21173 } 21174 } else { 21175 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21176 } 21177 } 21178 21179 } finally { 21180 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21181 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21182 } 21183 } 21184 } 21185 // writer 21186 synchronized (mPackages) { 21187 // If the platform SDK has changed since the last time we booted, 21188 // we need to re-grant app permission to catch any new ones that 21189 // appear. This is really a hack, and means that apps can in some 21190 // cases get permissions that the user didn't initially explicitly 21191 // allow... it would be nice to have some better way to handle 21192 // this situation. 21193 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21194 : mSettings.getInternalVersion(); 21195 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21196 : StorageManager.UUID_PRIVATE_INTERNAL; 21197 21198 int updateFlags = UPDATE_PERMISSIONS_ALL; 21199 if (ver.sdkVersion != mSdkVersion) { 21200 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21201 + mSdkVersion + "; regranting permissions for external"); 21202 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21203 } 21204 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21205 21206 // Yay, everything is now upgraded 21207 ver.forceCurrent(); 21208 21209 // can downgrade to reader 21210 // Persist settings 21211 mSettings.writeLPr(); 21212 } 21213 // Send a broadcast to let everyone know we are done processing 21214 if (pkgList.size() > 0) { 21215 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21216 } 21217 } 21218 21219 /* 21220 * Utility method to unload a list of specified containers 21221 */ 21222 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21223 // Just unmount all valid containers. 21224 for (AsecInstallArgs arg : cidArgs) { 21225 synchronized (mInstallLock) { 21226 arg.doPostDeleteLI(false); 21227 } 21228 } 21229 } 21230 21231 /* 21232 * Unload packages mounted on external media. This involves deleting package 21233 * data from internal structures, sending broadcasts about disabled packages, 21234 * gc'ing to free up references, unmounting all secure containers 21235 * corresponding to packages on external media, and posting a 21236 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21237 * that we always have to post this message if status has been requested no 21238 * matter what. 21239 */ 21240 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21241 final boolean reportStatus) { 21242 if (DEBUG_SD_INSTALL) 21243 Log.i(TAG, "unloading media packages"); 21244 ArrayList<String> pkgList = new ArrayList<String>(); 21245 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21246 final Set<AsecInstallArgs> keys = processCids.keySet(); 21247 for (AsecInstallArgs args : keys) { 21248 String pkgName = args.getPackageName(); 21249 if (DEBUG_SD_INSTALL) 21250 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21251 // Delete package internally 21252 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21253 synchronized (mInstallLock) { 21254 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21255 final boolean res; 21256 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21257 "unloadMediaPackages")) { 21258 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21259 null); 21260 } 21261 if (res) { 21262 pkgList.add(pkgName); 21263 } else { 21264 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21265 failedList.add(args); 21266 } 21267 } 21268 } 21269 21270 // reader 21271 synchronized (mPackages) { 21272 // We didn't update the settings after removing each package; 21273 // write them now for all packages. 21274 mSettings.writeLPr(); 21275 } 21276 21277 // We have to absolutely send UPDATED_MEDIA_STATUS only 21278 // after confirming that all the receivers processed the ordered 21279 // broadcast when packages get disabled, force a gc to clean things up. 21280 // and unload all the containers. 21281 if (pkgList.size() > 0) { 21282 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21283 new IIntentReceiver.Stub() { 21284 public void performReceive(Intent intent, int resultCode, String data, 21285 Bundle extras, boolean ordered, boolean sticky, 21286 int sendingUser) throws RemoteException { 21287 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21288 reportStatus ? 1 : 0, 1, keys); 21289 mHandler.sendMessage(msg); 21290 } 21291 }); 21292 } else { 21293 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21294 keys); 21295 mHandler.sendMessage(msg); 21296 } 21297 } 21298 21299 private void loadPrivatePackages(final VolumeInfo vol) { 21300 mHandler.post(new Runnable() { 21301 @Override 21302 public void run() { 21303 loadPrivatePackagesInner(vol); 21304 } 21305 }); 21306 } 21307 21308 private void loadPrivatePackagesInner(VolumeInfo vol) { 21309 final String volumeUuid = vol.fsUuid; 21310 if (TextUtils.isEmpty(volumeUuid)) { 21311 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21312 return; 21313 } 21314 21315 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21316 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21317 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21318 21319 final VersionInfo ver; 21320 final List<PackageSetting> packages; 21321 synchronized (mPackages) { 21322 ver = mSettings.findOrCreateVersion(volumeUuid); 21323 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21324 } 21325 21326 for (PackageSetting ps : packages) { 21327 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21328 synchronized (mInstallLock) { 21329 final PackageParser.Package pkg; 21330 try { 21331 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21332 loaded.add(pkg.applicationInfo); 21333 21334 } catch (PackageManagerException e) { 21335 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21336 } 21337 21338 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21339 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21340 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21341 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21342 } 21343 } 21344 } 21345 21346 // Reconcile app data for all started/unlocked users 21347 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21348 final UserManager um = mContext.getSystemService(UserManager.class); 21349 UserManagerInternal umInternal = getUserManagerInternal(); 21350 for (UserInfo user : um.getUsers()) { 21351 final int flags; 21352 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21353 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21354 } else if (umInternal.isUserRunning(user.id)) { 21355 flags = StorageManager.FLAG_STORAGE_DE; 21356 } else { 21357 continue; 21358 } 21359 21360 try { 21361 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21362 synchronized (mInstallLock) { 21363 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21364 } 21365 } catch (IllegalStateException e) { 21366 // Device was probably ejected, and we'll process that event momentarily 21367 Slog.w(TAG, "Failed to prepare storage: " + e); 21368 } 21369 } 21370 21371 synchronized (mPackages) { 21372 int updateFlags = UPDATE_PERMISSIONS_ALL; 21373 if (ver.sdkVersion != mSdkVersion) { 21374 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21375 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21376 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21377 } 21378 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21379 21380 // Yay, everything is now upgraded 21381 ver.forceCurrent(); 21382 21383 mSettings.writeLPr(); 21384 } 21385 21386 for (PackageFreezer freezer : freezers) { 21387 freezer.close(); 21388 } 21389 21390 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21391 sendResourcesChangedBroadcast(true, false, loaded, null); 21392 } 21393 21394 private void unloadPrivatePackages(final VolumeInfo vol) { 21395 mHandler.post(new Runnable() { 21396 @Override 21397 public void run() { 21398 unloadPrivatePackagesInner(vol); 21399 } 21400 }); 21401 } 21402 21403 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21404 final String volumeUuid = vol.fsUuid; 21405 if (TextUtils.isEmpty(volumeUuid)) { 21406 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21407 return; 21408 } 21409 21410 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21411 synchronized (mInstallLock) { 21412 synchronized (mPackages) { 21413 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21414 for (PackageSetting ps : packages) { 21415 if (ps.pkg == null) continue; 21416 21417 final ApplicationInfo info = ps.pkg.applicationInfo; 21418 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21419 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 21420 21421 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21422 "unloadPrivatePackagesInner")) { 21423 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21424 false, null)) { 21425 unloaded.add(info); 21426 } else { 21427 Slog.w(TAG, "Failed to unload " + ps.codePath); 21428 } 21429 } 21430 21431 // Try very hard to release any references to this package 21432 // so we don't risk the system server being killed due to 21433 // open FDs 21434 AttributeCache.instance().removePackage(ps.name); 21435 } 21436 21437 mSettings.writeLPr(); 21438 } 21439 } 21440 21441 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21442 sendResourcesChangedBroadcast(false, false, unloaded, null); 21443 21444 // Try very hard to release any references to this path so we don't risk 21445 // the system server being killed due to open FDs 21446 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21447 21448 for (int i = 0; i < 3; i++) { 21449 System.gc(); 21450 System.runFinalization(); 21451 } 21452 } 21453 21454 private void assertPackageKnown(String volumeUuid, String packageName) 21455 throws PackageManagerException { 21456 synchronized (mPackages) { 21457 // Normalize package name to handle renamed packages 21458 packageName = normalizePackageNameLPr(packageName); 21459 21460 final PackageSetting ps = mSettings.mPackages.get(packageName); 21461 if (ps == null) { 21462 throw new PackageManagerException("Package " + packageName + " is unknown"); 21463 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21464 throw new PackageManagerException( 21465 "Package " + packageName + " found on unknown volume " + volumeUuid 21466 + "; expected volume " + ps.volumeUuid); 21467 } 21468 } 21469 } 21470 21471 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21472 throws PackageManagerException { 21473 synchronized (mPackages) { 21474 // Normalize package name to handle renamed packages 21475 packageName = normalizePackageNameLPr(packageName); 21476 21477 final PackageSetting ps = mSettings.mPackages.get(packageName); 21478 if (ps == null) { 21479 throw new PackageManagerException("Package " + packageName + " is unknown"); 21480 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21481 throw new PackageManagerException( 21482 "Package " + packageName + " found on unknown volume " + volumeUuid 21483 + "; expected volume " + ps.volumeUuid); 21484 } else if (!ps.getInstalled(userId)) { 21485 throw new PackageManagerException( 21486 "Package " + packageName + " not installed for user " + userId); 21487 } 21488 } 21489 } 21490 21491 private List<String> collectAbsoluteCodePaths() { 21492 synchronized (mPackages) { 21493 List<String> codePaths = new ArrayList<>(); 21494 final int packageCount = mSettings.mPackages.size(); 21495 for (int i = 0; i < packageCount; i++) { 21496 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21497 codePaths.add(ps.codePath.getAbsolutePath()); 21498 } 21499 return codePaths; 21500 } 21501 } 21502 21503 /** 21504 * Examine all apps present on given mounted volume, and destroy apps that 21505 * aren't expected, either due to uninstallation or reinstallation on 21506 * another volume. 21507 */ 21508 private void reconcileApps(String volumeUuid) { 21509 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21510 List<File> filesToDelete = null; 21511 21512 final File[] files = FileUtils.listFilesOrEmpty( 21513 Environment.getDataAppDirectory(volumeUuid)); 21514 for (File file : files) { 21515 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21516 && !PackageInstallerService.isStageName(file.getName()); 21517 if (!isPackage) { 21518 // Ignore entries which are not packages 21519 continue; 21520 } 21521 21522 String absolutePath = file.getAbsolutePath(); 21523 21524 boolean pathValid = false; 21525 final int absoluteCodePathCount = absoluteCodePaths.size(); 21526 for (int i = 0; i < absoluteCodePathCount; i++) { 21527 String absoluteCodePath = absoluteCodePaths.get(i); 21528 if (absolutePath.startsWith(absoluteCodePath)) { 21529 pathValid = true; 21530 break; 21531 } 21532 } 21533 21534 if (!pathValid) { 21535 if (filesToDelete == null) { 21536 filesToDelete = new ArrayList<>(); 21537 } 21538 filesToDelete.add(file); 21539 } 21540 } 21541 21542 if (filesToDelete != null) { 21543 final int fileToDeleteCount = filesToDelete.size(); 21544 for (int i = 0; i < fileToDeleteCount; i++) { 21545 File fileToDelete = filesToDelete.get(i); 21546 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21547 synchronized (mInstallLock) { 21548 removeCodePathLI(fileToDelete); 21549 } 21550 } 21551 } 21552 } 21553 21554 /** 21555 * Reconcile all app data for the given user. 21556 * <p> 21557 * Verifies that directories exist and that ownership and labeling is 21558 * correct for all installed apps on all mounted volumes. 21559 */ 21560 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21561 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21562 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21563 final String volumeUuid = vol.getFsUuid(); 21564 synchronized (mInstallLock) { 21565 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21566 } 21567 } 21568 } 21569 21570 /** 21571 * Reconcile all app data on given mounted volume. 21572 * <p> 21573 * Destroys app data that isn't expected, either due to uninstallation or 21574 * reinstallation on another volume. 21575 * <p> 21576 * Verifies that directories exist and that ownership and labeling is 21577 * correct for all installed apps. 21578 */ 21579 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21580 boolean migrateAppData) { 21581 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21582 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21583 21584 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21585 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21586 21587 // First look for stale data that doesn't belong, and check if things 21588 // have changed since we did our last restorecon 21589 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21590 if (StorageManager.isFileEncryptedNativeOrEmulated() 21591 && !StorageManager.isUserKeyUnlocked(userId)) { 21592 throw new RuntimeException( 21593 "Yikes, someone asked us to reconcile CE storage while " + userId 21594 + " was still locked; this would have caused massive data loss!"); 21595 } 21596 21597 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21598 for (File file : files) { 21599 final String packageName = file.getName(); 21600 try { 21601 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21602 } catch (PackageManagerException e) { 21603 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21604 try { 21605 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21606 StorageManager.FLAG_STORAGE_CE, 0); 21607 } catch (InstallerException e2) { 21608 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21609 } 21610 } 21611 } 21612 } 21613 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21614 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21615 for (File file : files) { 21616 final String packageName = file.getName(); 21617 try { 21618 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21619 } catch (PackageManagerException e) { 21620 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21621 try { 21622 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21623 StorageManager.FLAG_STORAGE_DE, 0); 21624 } catch (InstallerException e2) { 21625 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21626 } 21627 } 21628 } 21629 } 21630 21631 // Ensure that data directories are ready to roll for all packages 21632 // installed for this volume and user 21633 final List<PackageSetting> packages; 21634 synchronized (mPackages) { 21635 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21636 } 21637 int preparedCount = 0; 21638 for (PackageSetting ps : packages) { 21639 final String packageName = ps.name; 21640 if (ps.pkg == null) { 21641 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21642 // TODO: might be due to legacy ASEC apps; we should circle back 21643 // and reconcile again once they're scanned 21644 continue; 21645 } 21646 21647 if (ps.getInstalled(userId)) { 21648 prepareAppDataLIF(ps.pkg, userId, flags); 21649 21650 if (migrateAppData && maybeMigrateAppDataLIF(ps.pkg, userId)) { 21651 // We may have just shuffled around app data directories, so 21652 // prepare them one more time 21653 prepareAppDataLIF(ps.pkg, userId, flags); 21654 } 21655 21656 preparedCount++; 21657 } 21658 } 21659 21660 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21661 } 21662 21663 /** 21664 * Prepare app data for the given app just after it was installed or 21665 * upgraded. This method carefully only touches users that it's installed 21666 * for, and it forces a restorecon to handle any seinfo changes. 21667 * <p> 21668 * Verifies that directories exist and that ownership and labeling is 21669 * correct for all installed apps. If there is an ownership mismatch, it 21670 * will try recovering system apps by wiping data; third-party app data is 21671 * left intact. 21672 * <p> 21673 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21674 */ 21675 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21676 final PackageSetting ps; 21677 synchronized (mPackages) { 21678 ps = mSettings.mPackages.get(pkg.packageName); 21679 mSettings.writeKernelMappingLPr(ps); 21680 } 21681 21682 final UserManager um = mContext.getSystemService(UserManager.class); 21683 UserManagerInternal umInternal = getUserManagerInternal(); 21684 for (UserInfo user : um.getUsers()) { 21685 final int flags; 21686 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21687 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21688 } else if (umInternal.isUserRunning(user.id)) { 21689 flags = StorageManager.FLAG_STORAGE_DE; 21690 } else { 21691 continue; 21692 } 21693 21694 if (ps.getInstalled(user.id)) { 21695 // TODO: when user data is locked, mark that we're still dirty 21696 prepareAppDataLIF(pkg, user.id, flags); 21697 } 21698 } 21699 } 21700 21701 /** 21702 * Prepare app data for the given app. 21703 * <p> 21704 * Verifies that directories exist and that ownership and labeling is 21705 * correct for all installed apps. If there is an ownership mismatch, this 21706 * will try recovering system apps by wiping data; third-party app data is 21707 * left intact. 21708 */ 21709 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21710 if (pkg == null) { 21711 Slog.wtf(TAG, "Package was null!", new Throwable()); 21712 return; 21713 } 21714 prepareAppDataLeafLIF(pkg, userId, flags); 21715 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21716 for (int i = 0; i < childCount; i++) { 21717 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21718 } 21719 } 21720 21721 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21722 if (DEBUG_APP_DATA) { 21723 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21724 + Integer.toHexString(flags)); 21725 } 21726 21727 final String volumeUuid = pkg.volumeUuid; 21728 final String packageName = pkg.packageName; 21729 final ApplicationInfo app = pkg.applicationInfo; 21730 final int appId = UserHandle.getAppId(app.uid); 21731 21732 Preconditions.checkNotNull(app.seInfo); 21733 21734 long ceDataInode = -1; 21735 try { 21736 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21737 appId, app.seInfo, app.targetSdkVersion); 21738 } catch (InstallerException e) { 21739 if (app.isSystemApp()) { 21740 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21741 + ", but trying to recover: " + e); 21742 destroyAppDataLeafLIF(pkg, userId, flags); 21743 try { 21744 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21745 appId, app.seInfo, app.targetSdkVersion); 21746 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21747 } catch (InstallerException e2) { 21748 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21749 } 21750 } else { 21751 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21752 } 21753 } 21754 21755 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21756 // TODO: mark this structure as dirty so we persist it! 21757 synchronized (mPackages) { 21758 final PackageSetting ps = mSettings.mPackages.get(packageName); 21759 if (ps != null) { 21760 ps.setCeDataInode(ceDataInode, userId); 21761 } 21762 } 21763 } 21764 21765 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21766 } 21767 21768 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21769 if (pkg == null) { 21770 Slog.wtf(TAG, "Package was null!", new Throwable()); 21771 return; 21772 } 21773 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21774 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21775 for (int i = 0; i < childCount; i++) { 21776 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21777 } 21778 } 21779 21780 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21781 final String volumeUuid = pkg.volumeUuid; 21782 final String packageName = pkg.packageName; 21783 final ApplicationInfo app = pkg.applicationInfo; 21784 21785 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21786 // Create a native library symlink only if we have native libraries 21787 // and if the native libraries are 32 bit libraries. We do not provide 21788 // this symlink for 64 bit libraries. 21789 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21790 final String nativeLibPath = app.nativeLibraryDir; 21791 try { 21792 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21793 nativeLibPath, userId); 21794 } catch (InstallerException e) { 21795 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21796 } 21797 } 21798 } 21799 } 21800 21801 /** 21802 * For system apps on non-FBE devices, this method migrates any existing 21803 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21804 * requested by the app. 21805 */ 21806 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21807 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 21808 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21809 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21810 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21811 try { 21812 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21813 storageTarget); 21814 } catch (InstallerException e) { 21815 logCriticalInfo(Log.WARN, 21816 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21817 } 21818 return true; 21819 } else { 21820 return false; 21821 } 21822 } 21823 21824 public PackageFreezer freezePackage(String packageName, String killReason) { 21825 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21826 } 21827 21828 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21829 return new PackageFreezer(packageName, userId, killReason); 21830 } 21831 21832 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21833 String killReason) { 21834 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21835 } 21836 21837 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21838 String killReason) { 21839 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21840 return new PackageFreezer(); 21841 } else { 21842 return freezePackage(packageName, userId, killReason); 21843 } 21844 } 21845 21846 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21847 String killReason) { 21848 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21849 } 21850 21851 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21852 String killReason) { 21853 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21854 return new PackageFreezer(); 21855 } else { 21856 return freezePackage(packageName, userId, killReason); 21857 } 21858 } 21859 21860 /** 21861 * Class that freezes and kills the given package upon creation, and 21862 * unfreezes it upon closing. This is typically used when doing surgery on 21863 * app code/data to prevent the app from running while you're working. 21864 */ 21865 private class PackageFreezer implements AutoCloseable { 21866 private final String mPackageName; 21867 private final PackageFreezer[] mChildren; 21868 21869 private final boolean mWeFroze; 21870 21871 private final AtomicBoolean mClosed = new AtomicBoolean(); 21872 private final CloseGuard mCloseGuard = CloseGuard.get(); 21873 21874 /** 21875 * Create and return a stub freezer that doesn't actually do anything, 21876 * typically used when someone requested 21877 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 21878 * {@link PackageManager#DELETE_DONT_KILL_APP}. 21879 */ 21880 public PackageFreezer() { 21881 mPackageName = null; 21882 mChildren = null; 21883 mWeFroze = false; 21884 mCloseGuard.open("close"); 21885 } 21886 21887 public PackageFreezer(String packageName, int userId, String killReason) { 21888 synchronized (mPackages) { 21889 mPackageName = packageName; 21890 mWeFroze = mFrozenPackages.add(mPackageName); 21891 21892 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 21893 if (ps != null) { 21894 killApplication(ps.name, ps.appId, userId, killReason); 21895 } 21896 21897 final PackageParser.Package p = mPackages.get(packageName); 21898 if (p != null && p.childPackages != null) { 21899 final int N = p.childPackages.size(); 21900 mChildren = new PackageFreezer[N]; 21901 for (int i = 0; i < N; i++) { 21902 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 21903 userId, killReason); 21904 } 21905 } else { 21906 mChildren = null; 21907 } 21908 } 21909 mCloseGuard.open("close"); 21910 } 21911 21912 @Override 21913 protected void finalize() throws Throwable { 21914 try { 21915 mCloseGuard.warnIfOpen(); 21916 close(); 21917 } finally { 21918 super.finalize(); 21919 } 21920 } 21921 21922 @Override 21923 public void close() { 21924 mCloseGuard.close(); 21925 if (mClosed.compareAndSet(false, true)) { 21926 synchronized (mPackages) { 21927 if (mWeFroze) { 21928 mFrozenPackages.remove(mPackageName); 21929 } 21930 21931 if (mChildren != null) { 21932 for (PackageFreezer freezer : mChildren) { 21933 freezer.close(); 21934 } 21935 } 21936 } 21937 } 21938 } 21939 } 21940 21941 /** 21942 * Verify that given package is currently frozen. 21943 */ 21944 private void checkPackageFrozen(String packageName) { 21945 synchronized (mPackages) { 21946 if (!mFrozenPackages.contains(packageName)) { 21947 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 21948 } 21949 } 21950 } 21951 21952 @Override 21953 public int movePackage(final String packageName, final String volumeUuid) { 21954 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21955 21956 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 21957 final int moveId = mNextMoveId.getAndIncrement(); 21958 mHandler.post(new Runnable() { 21959 @Override 21960 public void run() { 21961 try { 21962 movePackageInternal(packageName, volumeUuid, moveId, user); 21963 } catch (PackageManagerException e) { 21964 Slog.w(TAG, "Failed to move " + packageName, e); 21965 mMoveCallbacks.notifyStatusChanged(moveId, 21966 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 21967 } 21968 } 21969 }); 21970 return moveId; 21971 } 21972 21973 private void movePackageInternal(final String packageName, final String volumeUuid, 21974 final int moveId, UserHandle user) throws PackageManagerException { 21975 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21976 final PackageManager pm = mContext.getPackageManager(); 21977 21978 final boolean currentAsec; 21979 final String currentVolumeUuid; 21980 final File codeFile; 21981 final String installerPackageName; 21982 final String packageAbiOverride; 21983 final int appId; 21984 final String seinfo; 21985 final String label; 21986 final int targetSdkVersion; 21987 final PackageFreezer freezer; 21988 final int[] installedUserIds; 21989 21990 // reader 21991 synchronized (mPackages) { 21992 final PackageParser.Package pkg = mPackages.get(packageName); 21993 final PackageSetting ps = mSettings.mPackages.get(packageName); 21994 if (pkg == null || ps == null) { 21995 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 21996 } 21997 21998 if (pkg.applicationInfo.isSystemApp()) { 21999 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22000 "Cannot move system application"); 22001 } 22002 22003 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22004 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22005 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22006 if (isInternalStorage && !allow3rdPartyOnInternal) { 22007 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22008 "3rd party apps are not allowed on internal storage"); 22009 } 22010 22011 if (pkg.applicationInfo.isExternalAsec()) { 22012 currentAsec = true; 22013 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22014 } else if (pkg.applicationInfo.isForwardLocked()) { 22015 currentAsec = true; 22016 currentVolumeUuid = "forward_locked"; 22017 } else { 22018 currentAsec = false; 22019 currentVolumeUuid = ps.volumeUuid; 22020 22021 final File probe = new File(pkg.codePath); 22022 final File probeOat = new File(probe, "oat"); 22023 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22024 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22025 "Move only supported for modern cluster style installs"); 22026 } 22027 } 22028 22029 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22030 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22031 "Package already moved to " + volumeUuid); 22032 } 22033 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22034 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22035 "Device admin cannot be moved"); 22036 } 22037 22038 if (mFrozenPackages.contains(packageName)) { 22039 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22040 "Failed to move already frozen package"); 22041 } 22042 22043 codeFile = new File(pkg.codePath); 22044 installerPackageName = ps.installerPackageName; 22045 packageAbiOverride = ps.cpuAbiOverrideString; 22046 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22047 seinfo = pkg.applicationInfo.seInfo; 22048 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22049 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22050 freezer = freezePackage(packageName, "movePackageInternal"); 22051 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22052 } 22053 22054 final Bundle extras = new Bundle(); 22055 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22056 extras.putString(Intent.EXTRA_TITLE, label); 22057 mMoveCallbacks.notifyCreated(moveId, extras); 22058 22059 int installFlags; 22060 final boolean moveCompleteApp; 22061 final File measurePath; 22062 22063 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22064 installFlags = INSTALL_INTERNAL; 22065 moveCompleteApp = !currentAsec; 22066 measurePath = Environment.getDataAppDirectory(volumeUuid); 22067 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22068 installFlags = INSTALL_EXTERNAL; 22069 moveCompleteApp = false; 22070 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22071 } else { 22072 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22073 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22074 || !volume.isMountedWritable()) { 22075 freezer.close(); 22076 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22077 "Move location not mounted private volume"); 22078 } 22079 22080 Preconditions.checkState(!currentAsec); 22081 22082 installFlags = INSTALL_INTERNAL; 22083 moveCompleteApp = true; 22084 measurePath = Environment.getDataAppDirectory(volumeUuid); 22085 } 22086 22087 final PackageStats stats = new PackageStats(null, -1); 22088 synchronized (mInstaller) { 22089 for (int userId : installedUserIds) { 22090 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22091 freezer.close(); 22092 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22093 "Failed to measure package size"); 22094 } 22095 } 22096 } 22097 22098 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22099 + stats.dataSize); 22100 22101 final long startFreeBytes = measurePath.getFreeSpace(); 22102 final long sizeBytes; 22103 if (moveCompleteApp) { 22104 sizeBytes = stats.codeSize + stats.dataSize; 22105 } else { 22106 sizeBytes = stats.codeSize; 22107 } 22108 22109 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22110 freezer.close(); 22111 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22112 "Not enough free space to move"); 22113 } 22114 22115 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22116 22117 final CountDownLatch installedLatch = new CountDownLatch(1); 22118 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22119 @Override 22120 public void onUserActionRequired(Intent intent) throws RemoteException { 22121 throw new IllegalStateException(); 22122 } 22123 22124 @Override 22125 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22126 Bundle extras) throws RemoteException { 22127 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22128 + PackageManager.installStatusToString(returnCode, msg)); 22129 22130 installedLatch.countDown(); 22131 freezer.close(); 22132 22133 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22134 switch (status) { 22135 case PackageInstaller.STATUS_SUCCESS: 22136 mMoveCallbacks.notifyStatusChanged(moveId, 22137 PackageManager.MOVE_SUCCEEDED); 22138 break; 22139 case PackageInstaller.STATUS_FAILURE_STORAGE: 22140 mMoveCallbacks.notifyStatusChanged(moveId, 22141 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22142 break; 22143 default: 22144 mMoveCallbacks.notifyStatusChanged(moveId, 22145 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22146 break; 22147 } 22148 } 22149 }; 22150 22151 final MoveInfo move; 22152 if (moveCompleteApp) { 22153 // Kick off a thread to report progress estimates 22154 new Thread() { 22155 @Override 22156 public void run() { 22157 while (true) { 22158 try { 22159 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22160 break; 22161 } 22162 } catch (InterruptedException ignored) { 22163 } 22164 22165 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 22166 final int progress = 10 + (int) MathUtils.constrain( 22167 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22168 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22169 } 22170 } 22171 }.start(); 22172 22173 final String dataAppName = codeFile.getName(); 22174 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22175 dataAppName, appId, seinfo, targetSdkVersion); 22176 } else { 22177 move = null; 22178 } 22179 22180 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22181 22182 final Message msg = mHandler.obtainMessage(INIT_COPY); 22183 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22184 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22185 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22186 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22187 PackageManager.INSTALL_REASON_UNKNOWN); 22188 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22189 msg.obj = params; 22190 22191 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22192 System.identityHashCode(msg.obj)); 22193 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22194 System.identityHashCode(msg.obj)); 22195 22196 mHandler.sendMessage(msg); 22197 } 22198 22199 @Override 22200 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22201 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22202 22203 final int realMoveId = mNextMoveId.getAndIncrement(); 22204 final Bundle extras = new Bundle(); 22205 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22206 mMoveCallbacks.notifyCreated(realMoveId, extras); 22207 22208 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22209 @Override 22210 public void onCreated(int moveId, Bundle extras) { 22211 // Ignored 22212 } 22213 22214 @Override 22215 public void onStatusChanged(int moveId, int status, long estMillis) { 22216 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22217 } 22218 }; 22219 22220 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22221 storage.setPrimaryStorageUuid(volumeUuid, callback); 22222 return realMoveId; 22223 } 22224 22225 @Override 22226 public int getMoveStatus(int moveId) { 22227 mContext.enforceCallingOrSelfPermission( 22228 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22229 return mMoveCallbacks.mLastStatus.get(moveId); 22230 } 22231 22232 @Override 22233 public void registerMoveCallback(IPackageMoveObserver callback) { 22234 mContext.enforceCallingOrSelfPermission( 22235 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22236 mMoveCallbacks.register(callback); 22237 } 22238 22239 @Override 22240 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22241 mContext.enforceCallingOrSelfPermission( 22242 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22243 mMoveCallbacks.unregister(callback); 22244 } 22245 22246 @Override 22247 public boolean setInstallLocation(int loc) { 22248 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22249 null); 22250 if (getInstallLocation() == loc) { 22251 return true; 22252 } 22253 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22254 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22255 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22256 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22257 return true; 22258 } 22259 return false; 22260 } 22261 22262 @Override 22263 public int getInstallLocation() { 22264 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22265 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22266 PackageHelper.APP_INSTALL_AUTO); 22267 } 22268 22269 /** Called by UserManagerService */ 22270 void cleanUpUser(UserManagerService userManager, int userHandle) { 22271 synchronized (mPackages) { 22272 mDirtyUsers.remove(userHandle); 22273 mUserNeedsBadging.delete(userHandle); 22274 mSettings.removeUserLPw(userHandle); 22275 mPendingBroadcasts.remove(userHandle); 22276 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22277 removeUnusedPackagesLPw(userManager, userHandle); 22278 } 22279 } 22280 22281 /** 22282 * We're removing userHandle and would like to remove any downloaded packages 22283 * that are no longer in use by any other user. 22284 * @param userHandle the user being removed 22285 */ 22286 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22287 final boolean DEBUG_CLEAN_APKS = false; 22288 int [] users = userManager.getUserIds(); 22289 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22290 while (psit.hasNext()) { 22291 PackageSetting ps = psit.next(); 22292 if (ps.pkg == null) { 22293 continue; 22294 } 22295 final String packageName = ps.pkg.packageName; 22296 // Skip over if system app 22297 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22298 continue; 22299 } 22300 if (DEBUG_CLEAN_APKS) { 22301 Slog.i(TAG, "Checking package " + packageName); 22302 } 22303 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22304 if (keep) { 22305 if (DEBUG_CLEAN_APKS) { 22306 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22307 } 22308 } else { 22309 for (int i = 0; i < users.length; i++) { 22310 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22311 keep = true; 22312 if (DEBUG_CLEAN_APKS) { 22313 Slog.i(TAG, " Keeping package " + packageName + " for user " 22314 + users[i]); 22315 } 22316 break; 22317 } 22318 } 22319 } 22320 if (!keep) { 22321 if (DEBUG_CLEAN_APKS) { 22322 Slog.i(TAG, " Removing package " + packageName); 22323 } 22324 mHandler.post(new Runnable() { 22325 public void run() { 22326 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22327 userHandle, 0); 22328 } //end run 22329 }); 22330 } 22331 } 22332 } 22333 22334 /** Called by UserManagerService */ 22335 void createNewUser(int userId, String[] disallowedPackages) { 22336 synchronized (mInstallLock) { 22337 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22338 } 22339 synchronized (mPackages) { 22340 scheduleWritePackageRestrictionsLocked(userId); 22341 scheduleWritePackageListLocked(userId); 22342 applyFactoryDefaultBrowserLPw(userId); 22343 primeDomainVerificationsLPw(userId); 22344 } 22345 } 22346 22347 void onNewUserCreated(final int userId) { 22348 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22349 // If permission review for legacy apps is required, we represent 22350 // dagerous permissions for such apps as always granted runtime 22351 // permissions to keep per user flag state whether review is needed. 22352 // Hence, if a new user is added we have to propagate dangerous 22353 // permission grants for these legacy apps. 22354 if (mPermissionReviewRequired) { 22355 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22356 | UPDATE_PERMISSIONS_REPLACE_ALL); 22357 } 22358 } 22359 22360 @Override 22361 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22362 mContext.enforceCallingOrSelfPermission( 22363 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22364 "Only package verification agents can read the verifier device identity"); 22365 22366 synchronized (mPackages) { 22367 return mSettings.getVerifierDeviceIdentityLPw(); 22368 } 22369 } 22370 22371 @Override 22372 public void setPermissionEnforced(String permission, boolean enforced) { 22373 // TODO: Now that we no longer change GID for storage, this should to away. 22374 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22375 "setPermissionEnforced"); 22376 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22377 synchronized (mPackages) { 22378 if (mSettings.mReadExternalStorageEnforced == null 22379 || mSettings.mReadExternalStorageEnforced != enforced) { 22380 mSettings.mReadExternalStorageEnforced = enforced; 22381 mSettings.writeLPr(); 22382 } 22383 } 22384 // kill any non-foreground processes so we restart them and 22385 // grant/revoke the GID. 22386 final IActivityManager am = ActivityManager.getService(); 22387 if (am != null) { 22388 final long token = Binder.clearCallingIdentity(); 22389 try { 22390 am.killProcessesBelowForeground("setPermissionEnforcement"); 22391 } catch (RemoteException e) { 22392 } finally { 22393 Binder.restoreCallingIdentity(token); 22394 } 22395 } 22396 } else { 22397 throw new IllegalArgumentException("No selective enforcement for " + permission); 22398 } 22399 } 22400 22401 @Override 22402 @Deprecated 22403 public boolean isPermissionEnforced(String permission) { 22404 return true; 22405 } 22406 22407 @Override 22408 public boolean isStorageLow() { 22409 final long token = Binder.clearCallingIdentity(); 22410 try { 22411 final DeviceStorageMonitorInternal 22412 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22413 if (dsm != null) { 22414 return dsm.isMemoryLow(); 22415 } else { 22416 return false; 22417 } 22418 } finally { 22419 Binder.restoreCallingIdentity(token); 22420 } 22421 } 22422 22423 @Override 22424 public IPackageInstaller getPackageInstaller() { 22425 return mInstallerService; 22426 } 22427 22428 private boolean userNeedsBadging(int userId) { 22429 int index = mUserNeedsBadging.indexOfKey(userId); 22430 if (index < 0) { 22431 final UserInfo userInfo; 22432 final long token = Binder.clearCallingIdentity(); 22433 try { 22434 userInfo = sUserManager.getUserInfo(userId); 22435 } finally { 22436 Binder.restoreCallingIdentity(token); 22437 } 22438 final boolean b; 22439 if (userInfo != null && userInfo.isManagedProfile()) { 22440 b = true; 22441 } else { 22442 b = false; 22443 } 22444 mUserNeedsBadging.put(userId, b); 22445 return b; 22446 } 22447 return mUserNeedsBadging.valueAt(index); 22448 } 22449 22450 @Override 22451 public KeySet getKeySetByAlias(String packageName, String alias) { 22452 if (packageName == null || alias == null) { 22453 return null; 22454 } 22455 synchronized(mPackages) { 22456 final PackageParser.Package pkg = mPackages.get(packageName); 22457 if (pkg == null) { 22458 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22459 throw new IllegalArgumentException("Unknown package: " + packageName); 22460 } 22461 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22462 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22463 } 22464 } 22465 22466 @Override 22467 public KeySet getSigningKeySet(String packageName) { 22468 if (packageName == null) { 22469 return null; 22470 } 22471 synchronized(mPackages) { 22472 final PackageParser.Package pkg = mPackages.get(packageName); 22473 if (pkg == null) { 22474 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22475 throw new IllegalArgumentException("Unknown package: " + packageName); 22476 } 22477 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22478 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22479 throw new SecurityException("May not access signing KeySet of other apps."); 22480 } 22481 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22482 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22483 } 22484 } 22485 22486 @Override 22487 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22488 if (packageName == null || ks == null) { 22489 return false; 22490 } 22491 synchronized(mPackages) { 22492 final PackageParser.Package pkg = mPackages.get(packageName); 22493 if (pkg == null) { 22494 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22495 throw new IllegalArgumentException("Unknown package: " + packageName); 22496 } 22497 IBinder ksh = ks.getToken(); 22498 if (ksh instanceof KeySetHandle) { 22499 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22500 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22501 } 22502 return false; 22503 } 22504 } 22505 22506 @Override 22507 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22508 if (packageName == null || ks == null) { 22509 return false; 22510 } 22511 synchronized(mPackages) { 22512 final PackageParser.Package pkg = mPackages.get(packageName); 22513 if (pkg == null) { 22514 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22515 throw new IllegalArgumentException("Unknown package: " + packageName); 22516 } 22517 IBinder ksh = ks.getToken(); 22518 if (ksh instanceof KeySetHandle) { 22519 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22520 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22521 } 22522 return false; 22523 } 22524 } 22525 22526 private void deletePackageIfUnusedLPr(final String packageName) { 22527 PackageSetting ps = mSettings.mPackages.get(packageName); 22528 if (ps == null) { 22529 return; 22530 } 22531 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22532 // TODO Implement atomic delete if package is unused 22533 // It is currently possible that the package will be deleted even if it is installed 22534 // after this method returns. 22535 mHandler.post(new Runnable() { 22536 public void run() { 22537 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22538 0, PackageManager.DELETE_ALL_USERS); 22539 } 22540 }); 22541 } 22542 } 22543 22544 /** 22545 * Check and throw if the given before/after packages would be considered a 22546 * downgrade. 22547 */ 22548 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22549 throws PackageManagerException { 22550 if (after.versionCode < before.mVersionCode) { 22551 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22552 "Update version code " + after.versionCode + " is older than current " 22553 + before.mVersionCode); 22554 } else if (after.versionCode == before.mVersionCode) { 22555 if (after.baseRevisionCode < before.baseRevisionCode) { 22556 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22557 "Update base revision code " + after.baseRevisionCode 22558 + " is older than current " + before.baseRevisionCode); 22559 } 22560 22561 if (!ArrayUtils.isEmpty(after.splitNames)) { 22562 for (int i = 0; i < after.splitNames.length; i++) { 22563 final String splitName = after.splitNames[i]; 22564 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22565 if (j != -1) { 22566 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22567 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22568 "Update split " + splitName + " revision code " 22569 + after.splitRevisionCodes[i] + " is older than current " 22570 + before.splitRevisionCodes[j]); 22571 } 22572 } 22573 } 22574 } 22575 } 22576 } 22577 22578 private static class MoveCallbacks extends Handler { 22579 private static final int MSG_CREATED = 1; 22580 private static final int MSG_STATUS_CHANGED = 2; 22581 22582 private final RemoteCallbackList<IPackageMoveObserver> 22583 mCallbacks = new RemoteCallbackList<>(); 22584 22585 private final SparseIntArray mLastStatus = new SparseIntArray(); 22586 22587 public MoveCallbacks(Looper looper) { 22588 super(looper); 22589 } 22590 22591 public void register(IPackageMoveObserver callback) { 22592 mCallbacks.register(callback); 22593 } 22594 22595 public void unregister(IPackageMoveObserver callback) { 22596 mCallbacks.unregister(callback); 22597 } 22598 22599 @Override 22600 public void handleMessage(Message msg) { 22601 final SomeArgs args = (SomeArgs) msg.obj; 22602 final int n = mCallbacks.beginBroadcast(); 22603 for (int i = 0; i < n; i++) { 22604 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22605 try { 22606 invokeCallback(callback, msg.what, args); 22607 } catch (RemoteException ignored) { 22608 } 22609 } 22610 mCallbacks.finishBroadcast(); 22611 args.recycle(); 22612 } 22613 22614 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22615 throws RemoteException { 22616 switch (what) { 22617 case MSG_CREATED: { 22618 callback.onCreated(args.argi1, (Bundle) args.arg2); 22619 break; 22620 } 22621 case MSG_STATUS_CHANGED: { 22622 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22623 break; 22624 } 22625 } 22626 } 22627 22628 private void notifyCreated(int moveId, Bundle extras) { 22629 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22630 22631 final SomeArgs args = SomeArgs.obtain(); 22632 args.argi1 = moveId; 22633 args.arg2 = extras; 22634 obtainMessage(MSG_CREATED, args).sendToTarget(); 22635 } 22636 22637 private void notifyStatusChanged(int moveId, int status) { 22638 notifyStatusChanged(moveId, status, -1); 22639 } 22640 22641 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22642 Slog.v(TAG, "Move " + moveId + " status " + status); 22643 22644 final SomeArgs args = SomeArgs.obtain(); 22645 args.argi1 = moveId; 22646 args.argi2 = status; 22647 args.arg3 = estMillis; 22648 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22649 22650 synchronized (mLastStatus) { 22651 mLastStatus.put(moveId, status); 22652 } 22653 } 22654 } 22655 22656 private final static class OnPermissionChangeListeners extends Handler { 22657 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22658 22659 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22660 new RemoteCallbackList<>(); 22661 22662 public OnPermissionChangeListeners(Looper looper) { 22663 super(looper); 22664 } 22665 22666 @Override 22667 public void handleMessage(Message msg) { 22668 switch (msg.what) { 22669 case MSG_ON_PERMISSIONS_CHANGED: { 22670 final int uid = msg.arg1; 22671 handleOnPermissionsChanged(uid); 22672 } break; 22673 } 22674 } 22675 22676 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22677 mPermissionListeners.register(listener); 22678 22679 } 22680 22681 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22682 mPermissionListeners.unregister(listener); 22683 } 22684 22685 public void onPermissionsChanged(int uid) { 22686 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22687 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22688 } 22689 } 22690 22691 private void handleOnPermissionsChanged(int uid) { 22692 final int count = mPermissionListeners.beginBroadcast(); 22693 try { 22694 for (int i = 0; i < count; i++) { 22695 IOnPermissionsChangeListener callback = mPermissionListeners 22696 .getBroadcastItem(i); 22697 try { 22698 callback.onPermissionsChanged(uid); 22699 } catch (RemoteException e) { 22700 Log.e(TAG, "Permission listener is dead", e); 22701 } 22702 } 22703 } finally { 22704 mPermissionListeners.finishBroadcast(); 22705 } 22706 } 22707 } 22708 22709 private class PackageManagerInternalImpl extends PackageManagerInternal { 22710 @Override 22711 public void setLocationPackagesProvider(PackagesProvider provider) { 22712 synchronized (mPackages) { 22713 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 22714 } 22715 } 22716 22717 @Override 22718 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22719 synchronized (mPackages) { 22720 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 22721 } 22722 } 22723 22724 @Override 22725 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22726 synchronized (mPackages) { 22727 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 22728 } 22729 } 22730 22731 @Override 22732 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22733 synchronized (mPackages) { 22734 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 22735 } 22736 } 22737 22738 @Override 22739 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22740 synchronized (mPackages) { 22741 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 22742 } 22743 } 22744 22745 @Override 22746 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22747 synchronized (mPackages) { 22748 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 22749 } 22750 } 22751 22752 @Override 22753 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22754 synchronized (mPackages) { 22755 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 22756 packageName, userId); 22757 } 22758 } 22759 22760 @Override 22761 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22762 synchronized (mPackages) { 22763 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22764 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 22765 packageName, userId); 22766 } 22767 } 22768 22769 @Override 22770 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22771 synchronized (mPackages) { 22772 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 22773 packageName, userId); 22774 } 22775 } 22776 22777 @Override 22778 public void setKeepUninstalledPackages(final List<String> packageList) { 22779 Preconditions.checkNotNull(packageList); 22780 List<String> removedFromList = null; 22781 synchronized (mPackages) { 22782 if (mKeepUninstalledPackages != null) { 22783 final int packagesCount = mKeepUninstalledPackages.size(); 22784 for (int i = 0; i < packagesCount; i++) { 22785 String oldPackage = mKeepUninstalledPackages.get(i); 22786 if (packageList != null && packageList.contains(oldPackage)) { 22787 continue; 22788 } 22789 if (removedFromList == null) { 22790 removedFromList = new ArrayList<>(); 22791 } 22792 removedFromList.add(oldPackage); 22793 } 22794 } 22795 mKeepUninstalledPackages = new ArrayList<>(packageList); 22796 if (removedFromList != null) { 22797 final int removedCount = removedFromList.size(); 22798 for (int i = 0; i < removedCount; i++) { 22799 deletePackageIfUnusedLPr(removedFromList.get(i)); 22800 } 22801 } 22802 } 22803 } 22804 22805 @Override 22806 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22807 synchronized (mPackages) { 22808 // If we do not support permission review, done. 22809 if (!mPermissionReviewRequired) { 22810 return false; 22811 } 22812 22813 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 22814 if (packageSetting == null) { 22815 return false; 22816 } 22817 22818 // Permission review applies only to apps not supporting the new permission model. 22819 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 22820 return false; 22821 } 22822 22823 // Legacy apps have the permission and get user consent on launch. 22824 PermissionsState permissionsState = packageSetting.getPermissionsState(); 22825 return permissionsState.isPermissionReviewRequired(userId); 22826 } 22827 } 22828 22829 @Override 22830 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 22831 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 22832 } 22833 22834 @Override 22835 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22836 int userId) { 22837 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22838 } 22839 22840 @Override 22841 public void setDeviceAndProfileOwnerPackages( 22842 int deviceOwnerUserId, String deviceOwnerPackage, 22843 SparseArray<String> profileOwnerPackages) { 22844 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22845 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22846 } 22847 22848 @Override 22849 public boolean isPackageDataProtected(int userId, String packageName) { 22850 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22851 } 22852 22853 @Override 22854 public boolean isPackageEphemeral(int userId, String packageName) { 22855 synchronized (mPackages) { 22856 final PackageSetting ps = mSettings.mPackages.get(packageName); 22857 return ps != null ? ps.getInstantApp(userId) : false; 22858 } 22859 } 22860 22861 @Override 22862 public boolean wasPackageEverLaunched(String packageName, int userId) { 22863 synchronized (mPackages) { 22864 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 22865 } 22866 } 22867 22868 @Override 22869 public void grantRuntimePermission(String packageName, String name, int userId, 22870 boolean overridePolicy) { 22871 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 22872 overridePolicy); 22873 } 22874 22875 @Override 22876 public void revokeRuntimePermission(String packageName, String name, int userId, 22877 boolean overridePolicy) { 22878 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 22879 overridePolicy); 22880 } 22881 22882 @Override 22883 public String getNameForUid(int uid) { 22884 return PackageManagerService.this.getNameForUid(uid); 22885 } 22886 22887 @Override 22888 public void requestEphemeralResolutionPhaseTwo(EphemeralResponse responseObj, 22889 Intent origIntent, String resolvedType, Intent launchIntent, 22890 String callingPackage, int userId) { 22891 PackageManagerService.this.requestEphemeralResolutionPhaseTwo( 22892 responseObj, origIntent, resolvedType, launchIntent, callingPackage, userId); 22893 } 22894 22895 @Override 22896 public void grantEphemeralAccess(int userId, Intent intent, 22897 int targetAppId, int ephemeralAppId) { 22898 synchronized (mPackages) { 22899 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 22900 targetAppId, ephemeralAppId); 22901 } 22902 } 22903 22904 @Override 22905 public void pruneInstantApps() { 22906 synchronized (mPackages) { 22907 mInstantAppRegistry.pruneInstantAppsLPw(); 22908 } 22909 } 22910 22911 @Override 22912 public String getSetupWizardPackageName() { 22913 return mSetupWizardPackage; 22914 } 22915 22916 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 22917 if (policy != null) { 22918 mExternalSourcesPolicy = policy; 22919 } 22920 } 22921 22922 @Override 22923 public boolean isPackagePersistent(String packageName) { 22924 synchronized (mPackages) { 22925 PackageParser.Package pkg = mPackages.get(packageName); 22926 return pkg != null 22927 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 22928 | ApplicationInfo.FLAG_PERSISTENT)) == 22929 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 22930 : false; 22931 } 22932 } 22933 22934 @Override 22935 public List<PackageInfo> getOverlayPackages(int userId) { 22936 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 22937 synchronized (mPackages) { 22938 for (PackageParser.Package p : mPackages.values()) { 22939 if (p.mOverlayTarget != null) { 22940 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 22941 if (pkg != null) { 22942 overlayPackages.add(pkg); 22943 } 22944 } 22945 } 22946 } 22947 return overlayPackages; 22948 } 22949 22950 @Override 22951 public List<String> getTargetPackageNames(int userId) { 22952 List<String> targetPackages = new ArrayList<>(); 22953 synchronized (mPackages) { 22954 for (PackageParser.Package p : mPackages.values()) { 22955 if (p.mOverlayTarget == null) { 22956 targetPackages.add(p.packageName); 22957 } 22958 } 22959 } 22960 return targetPackages; 22961 } 22962 22963 22964 @Override 22965 public boolean setEnabledOverlayPackages(int userId, String targetPackageName, 22966 List<String> overlayPackageNames) { 22967 // TODO: implement when we integrate OMS properly 22968 return false; 22969 } 22970 } 22971 22972 @Override 22973 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 22974 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 22975 synchronized (mPackages) { 22976 final long identity = Binder.clearCallingIdentity(); 22977 try { 22978 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 22979 packageNames, userId); 22980 } finally { 22981 Binder.restoreCallingIdentity(identity); 22982 } 22983 } 22984 } 22985 22986 @Override 22987 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 22988 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 22989 synchronized (mPackages) { 22990 final long identity = Binder.clearCallingIdentity(); 22991 try { 22992 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 22993 packageNames, userId); 22994 } finally { 22995 Binder.restoreCallingIdentity(identity); 22996 } 22997 } 22998 } 22999 23000 private static void enforceSystemOrPhoneCaller(String tag) { 23001 int callingUid = Binder.getCallingUid(); 23002 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23003 throw new SecurityException( 23004 "Cannot call " + tag + " from UID " + callingUid); 23005 } 23006 } 23007 23008 boolean isHistoricalPackageUsageAvailable() { 23009 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23010 } 23011 23012 /** 23013 * Return a <b>copy</b> of the collection of packages known to the package manager. 23014 * @return A copy of the values of mPackages. 23015 */ 23016 Collection<PackageParser.Package> getPackages() { 23017 synchronized (mPackages) { 23018 return new ArrayList<>(mPackages.values()); 23019 } 23020 } 23021 23022 /** 23023 * Logs process start information (including base APK hash) to the security log. 23024 * @hide 23025 */ 23026 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23027 String apkFile, int pid) { 23028 if (!SecurityLog.isLoggingEnabled()) { 23029 return; 23030 } 23031 Bundle data = new Bundle(); 23032 data.putLong("startTimestamp", System.currentTimeMillis()); 23033 data.putString("processName", processName); 23034 data.putInt("uid", uid); 23035 data.putString("seinfo", seinfo); 23036 data.putString("apkFile", apkFile); 23037 data.putInt("pid", pid); 23038 Message msg = mProcessLoggingHandler.obtainMessage( 23039 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23040 msg.setData(data); 23041 mProcessLoggingHandler.sendMessage(msg); 23042 } 23043 23044 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23045 return mCompilerStats.getPackageStats(pkgName); 23046 } 23047 23048 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23049 return getOrCreateCompilerPackageStats(pkg.packageName); 23050 } 23051 23052 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23053 return mCompilerStats.getOrCreatePackageStats(pkgName); 23054 } 23055 23056 public void deleteCompilerPackageStats(String pkgName) { 23057 mCompilerStats.deletePackageStats(pkgName); 23058 } 23059 23060 @Override 23061 public int getInstallReason(String packageName, int userId) { 23062 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23063 true /* requireFullPermission */, false /* checkShell */, 23064 "get install reason"); 23065 synchronized (mPackages) { 23066 final PackageSetting ps = mSettings.mPackages.get(packageName); 23067 if (ps != null) { 23068 return ps.getInstallReason(userId); 23069 } 23070 } 23071 return PackageManager.INSTALL_REASON_UNKNOWN; 23072 } 23073 23074 @Override 23075 public boolean canRequestPackageInstalls(String packageName, int userId) { 23076 int callingUid = Binder.getCallingUid(); 23077 int uid = getPackageUid(packageName, 0, userId); 23078 if (callingUid != uid && callingUid != Process.ROOT_UID 23079 && callingUid != Process.SYSTEM_UID) { 23080 throw new SecurityException( 23081 "Caller uid " + callingUid + " does not own package " + packageName); 23082 } 23083 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23084 if (info == null) { 23085 return false; 23086 } 23087 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23088 throw new UnsupportedOperationException( 23089 "Operation only supported on apps targeting Android O or higher"); 23090 } 23091 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23092 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23093 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23094 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23095 } 23096 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23097 return false; 23098 } 23099 if (mExternalSourcesPolicy != null) { 23100 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23101 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23102 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23103 } 23104 } 23105 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23106 } 23107} 23108